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TOMOYO Linux Cross Reference
Linux/arch/mips/Kconfig

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /arch/mips/Kconfig (Version linux-6.12-rc7) and /arch/mips/Kconfig (Version linux-5.5.19)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 config MIPS                                         2 config MIPS
  3         bool                                        3         bool
  4         default y                                   4         default y
  5         select ARCH_32BIT_OFF_T if !64BIT           5         select ARCH_32BIT_OFF_T if !64BIT
  6         select ARCH_BINFMT_ELF_STATE if MIPS_F      6         select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
  7         select ARCH_HAS_CPU_CACHE_ALIASING     !!   7         select ARCH_CLOCKSOURCE_DATA
  8         select ARCH_HAS_CPU_FINALIZE_INIT      << 
  9         select ARCH_HAS_CURRENT_STACK_POINTER  << 
 10         select ARCH_HAS_DEBUG_VIRTUAL if !64BI << 
 11         select ARCH_HAS_DMA_OPS if MACH_JAZZ   << 
 12         select ARCH_HAS_FORTIFY_SOURCE         << 
 13         select ARCH_HAS_KCOV                   << 
 14         select ARCH_HAS_NON_OVERLAPPING_ADDRES << 
 15         select ARCH_HAS_PTE_SPECIAL if !(32BIT << 
 16         select ARCH_HAS_STRNCPY_FROM_USER      << 
 17         select ARCH_HAS_STRNLEN_USER           << 
 18         select ARCH_HAS_TICK_BROADCAST if GENE      8         select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 19         select ARCH_HAS_UBSAN                  !!   9         select ARCH_HAS_UBSAN_SANITIZE_ALL
 20         select ARCH_HAS_GCOV_PROFILE_ALL       !!  10         select ARCH_HAS_FORTIFY_SOURCE
 21         select ARCH_KEEP_MEMBLOCK              !!  11         select ARCH_SUPPORTS_UPROBES
 22         select ARCH_USE_BUILTIN_BSWAP              12         select ARCH_USE_BUILTIN_BSWAP
 23         select ARCH_USE_CMPXCHG_LOCKREF if 64B     13         select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
 24         select ARCH_USE_MEMTEST                << 
 25         select ARCH_USE_QUEUED_RWLOCKS             14         select ARCH_USE_QUEUED_RWLOCKS
 26         select ARCH_USE_QUEUED_SPINLOCKS           15         select ARCH_USE_QUEUED_SPINLOCKS
 27         select ARCH_SUPPORTS_HUGETLBFS if CPU_ << 
 28         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_     16         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
 29         select ARCH_WANT_IPC_PARSE_VERSION         17         select ARCH_WANT_IPC_PARSE_VERSION
 30         select ARCH_WANT_LD_ORPHAN_WARN        !!  18         select BUILDTIME_EXTABLE_SORT
 31         select BUILDTIME_TABLE_SORT            << 
 32         select CLONE_BACKWARDS                     19         select CLONE_BACKWARDS
 33         select CPU_NO_EFFICIENT_FFS if (TARGET     20         select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
 34         select CPU_PM if CPU_IDLE || SUSPEND   !!  21         select CPU_PM if CPU_IDLE
 35         select GENERIC_ATOMIC64 if !64BIT          22         select GENERIC_ATOMIC64 if !64BIT
                                                   >>  23         select GENERIC_CLOCKEVENTS
 36         select GENERIC_CMOS_UPDATE                 24         select GENERIC_CMOS_UPDATE
 37         select GENERIC_CPU_AUTOPROBE               25         select GENERIC_CPU_AUTOPROBE
 38         select GENERIC_GETTIMEOFDAY                26         select GENERIC_GETTIMEOFDAY
 39         select GENERIC_IOMAP                       27         select GENERIC_IOMAP
 40         select GENERIC_IRQ_PROBE                   28         select GENERIC_IRQ_PROBE
 41         select GENERIC_IRQ_SHOW                    29         select GENERIC_IRQ_SHOW
 42         select GENERIC_ISA_DMA if EISA             30         select GENERIC_ISA_DMA if EISA
 43         select GENERIC_LIB_ASHLDI3                 31         select GENERIC_LIB_ASHLDI3
 44         select GENERIC_LIB_ASHRDI3                 32         select GENERIC_LIB_ASHRDI3
 45         select GENERIC_LIB_CMPDI2                  33         select GENERIC_LIB_CMPDI2
 46         select GENERIC_LIB_LSHRDI3                 34         select GENERIC_LIB_LSHRDI3
 47         select GENERIC_LIB_UCMPDI2                 35         select GENERIC_LIB_UCMPDI2
 48         select GENERIC_SCHED_CLOCK if !CAVIUM_     36         select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 49         select GENERIC_SMP_IDLE_THREAD             37         select GENERIC_SMP_IDLE_THREAD
 50         select GENERIC_IDLE_POLL_SETUP         << 
 51         select GENERIC_TIME_VSYSCALL               38         select GENERIC_TIME_VSYSCALL
 52         select GUP_GET_PXX_LOW_HIGH if CPU_MIP !!  39         select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
 53         select HAS_IOPORT if !NO_IOPORT_MAP || !!  40         select HANDLE_DOMAIN_IRQ
 54         select HAVE_ARCH_COMPILER_H                41         select HAVE_ARCH_COMPILER_H
 55         select HAVE_ARCH_JUMP_LABEL                42         select HAVE_ARCH_JUMP_LABEL
 56         select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !!  43         select HAVE_ARCH_KGDB
 57         select HAVE_ARCH_MMAP_RND_BITS if MMU      44         select HAVE_ARCH_MMAP_RND_BITS if MMU
 58         select HAVE_ARCH_MMAP_RND_COMPAT_BITS      45         select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
 59         select HAVE_ARCH_SECCOMP_FILTER            46         select HAVE_ARCH_SECCOMP_FILTER
 60         select HAVE_ARCH_TRACEHOOK                 47         select HAVE_ARCH_TRACEHOOK
 61         select HAVE_ARCH_TRANSPARENT_HUGEPAGE      48         select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
 62         select HAVE_ASM_MODVERSIONS                49         select HAVE_ASM_MODVERSIONS
 63         select HAVE_CONTEXT_TRACKING_USER      !!  50         select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
 64         select HAVE_TIF_NOHZ                   !!  51         select HAVE_CONTEXT_TRACKING
                                                   >>  52         select HAVE_COPY_THREAD_TLS
 65         select HAVE_C_RECORDMCOUNT                 53         select HAVE_C_RECORDMCOUNT
 66         select HAVE_DEBUG_KMEMLEAK                 54         select HAVE_DEBUG_KMEMLEAK
 67         select HAVE_DEBUG_STACKOVERFLOW            55         select HAVE_DEBUG_STACKOVERFLOW
 68         select HAVE_DMA_CONTIGUOUS                 56         select HAVE_DMA_CONTIGUOUS
 69         select HAVE_DYNAMIC_FTRACE                 57         select HAVE_DYNAMIC_FTRACE
 70         select HAVE_EBPF_JIT if !CPU_MICROMIPS << 
 71         select HAVE_EXIT_THREAD                    58         select HAVE_EXIT_THREAD
 72         select HAVE_GUP_FAST                   !!  59         select HAVE_FAST_GUP
 73         select HAVE_FTRACE_MCOUNT_RECORD           60         select HAVE_FTRACE_MCOUNT_RECORD
 74         select HAVE_FUNCTION_GRAPH_TRACER          61         select HAVE_FUNCTION_GRAPH_TRACER
 75         select HAVE_FUNCTION_TRACER                62         select HAVE_FUNCTION_TRACER
 76         select HAVE_GCC_PLUGINS                !!  63         select HAVE_IDE
 77         select HAVE_GENERIC_VDSO               << 
 78         select HAVE_IOREMAP_PROT                   64         select HAVE_IOREMAP_PROT
 79         select HAVE_IRQ_EXIT_ON_IRQ_STACK          65         select HAVE_IRQ_EXIT_ON_IRQ_STACK
 80         select HAVE_IRQ_TIME_ACCOUNTING            66         select HAVE_IRQ_TIME_ACCOUNTING
 81         select HAVE_KPROBES                        67         select HAVE_KPROBES
 82         select HAVE_KRETPROBES                     68         select HAVE_KRETPROBES
 83         select HAVE_LD_DEAD_CODE_DATA_ELIMINAT     69         select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
                                                   >>  70         select HAVE_MEMBLOCK_NODE_MAP
 84         select HAVE_MOD_ARCH_SPECIFIC              71         select HAVE_MOD_ARCH_SPECIFIC
 85         select HAVE_NMI                            72         select HAVE_NMI
 86         select HAVE_PAGE_SIZE_4KB if !CPU_LOON !!  73         select HAVE_OPROFILE
 87         select HAVE_PAGE_SIZE_16KB if !CPU_R30 << 
 88         select HAVE_PAGE_SIZE_64KB if !CPU_R30 << 
 89         select HAVE_PERF_EVENTS                    74         select HAVE_PERF_EVENTS
 90         select HAVE_PERF_REGS                  << 
 91         select HAVE_PERF_USER_STACK_DUMP       << 
 92         select HAVE_REGS_AND_STACK_ACCESS_API      75         select HAVE_REGS_AND_STACK_ACCESS_API
 93         select HAVE_RSEQ                           76         select HAVE_RSEQ
 94         select HAVE_SPARSE_SYSCALL_NR              77         select HAVE_SPARSE_SYSCALL_NR
 95         select HAVE_STACKPROTECTOR                 78         select HAVE_STACKPROTECTOR
 96         select HAVE_SYSCALL_TRACEPOINTS            79         select HAVE_SYSCALL_TRACEPOINTS
 97         select HAVE_VIRT_CPU_ACCOUNTING_GEN if     80         select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
                                                   >>  81         select HAVE_GENERIC_VDSO
 98         select IRQ_FORCED_THREADING                82         select IRQ_FORCED_THREADING
 99         select ISA if EISA                         83         select ISA if EISA
100         select LOCK_MM_AND_FIND_VMA            << 
101         select MODULES_USE_ELF_REL if MODULES  << 
102         select MODULES_USE_ELF_RELA if MODULES     84         select MODULES_USE_ELF_RELA if MODULES && 64BIT
                                                   >>  85         select MODULES_USE_ELF_REL if MODULES
103         select PERF_USE_VMALLOC                    86         select PERF_USE_VMALLOC
104         select PCI_MSI_ARCH_FALLBACKS if PCI_M << 
105         select RTC_LIB                             87         select RTC_LIB
106         select SYSCTL_EXCEPTION_TRACE              88         select SYSCTL_EXCEPTION_TRACE
107         select TRACE_IRQFLAGS_SUPPORT          !!  89         select VIRT_TO_BUS
108         select ARCH_HAS_ELFCORE_COMPAT         !!  90         select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
109         select HAVE_ARCH_KCSAN if 64BIT        !!  91         select ARCH_HAS_KCOV
110                                                !!  92         select HAVE_GCC_PLUGINS
111 config MIPS_FIXUP_BIGPHYS_ADDR                 << 
112         bool                                   << 
113                                                << 
114 config MIPS_GENERIC                            << 
115         bool                                   << 
116                                                << 
117 config MACH_GENERIC_CORE                       << 
118         bool                                   << 
119                                                << 
120 config MACH_INGENIC                            << 
121         bool                                   << 
122         select SYS_SUPPORTS_32BIT_KERNEL       << 
123         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
124         select SYS_SUPPORTS_ZBOOT              << 
125         select DMA_NONCOHERENT                 << 
126         select IRQ_MIPS_CPU                    << 
127         select PINCTRL                         << 
128         select GPIOLIB                         << 
129         select COMMON_CLK                      << 
130         select GENERIC_IRQ_CHIP                << 
131         select BUILTIN_DTB if MIPS_NO_APPENDED << 
132         select USE_OF                          << 
133         select CPU_SUPPORTS_CPUFREQ            << 
134         select MIPS_EXTERNAL_TIMER             << 
135                                                    93 
136 menu "Machine selection"                           94 menu "Machine selection"
137                                                    95 
138 choice                                             96 choice
139         prompt "System type"                       97         prompt "System type"
140         default MIPS_GENERIC_KERNEL            !!  98         default MIPS_GENERIC
141                                                    99 
142 config MIPS_GENERIC_KERNEL                     !! 100 config MIPS_GENERIC
143         bool "Generic board-agnostic MIPS kern    101         bool "Generic board-agnostic MIPS kernel"
144         select MIPS_GENERIC                    << 
145         select BOOT_RAW                           102         select BOOT_RAW
146         select BUILTIN_DTB                        103         select BUILTIN_DTB
147         select CEVT_R4K                           104         select CEVT_R4K
148         select CLKSRC_MIPS_GIC                    105         select CLKSRC_MIPS_GIC
149         select COMMON_CLK                         106         select COMMON_CLK
150         select CPU_MIPSR2_IRQ_EI               << 
151         select CPU_MIPSR2_IRQ_VI                  107         select CPU_MIPSR2_IRQ_VI
                                                   >> 108         select CPU_MIPSR2_IRQ_EI
152         select CSRC_R4K                           109         select CSRC_R4K
153         select DMA_NONCOHERENT                 !! 110         select DMA_PERDEV_COHERENT
154         select HAVE_PCI                           111         select HAVE_PCI
155         select IRQ_MIPS_CPU                       112         select IRQ_MIPS_CPU
156         select MACH_GENERIC_CORE               !! 113         select LIBFDT
157         select MIPS_AUTO_PFN_OFFSET               114         select MIPS_AUTO_PFN_OFFSET
158         select MIPS_CPU_SCACHE                    115         select MIPS_CPU_SCACHE
159         select MIPS_GIC                           116         select MIPS_GIC
160         select MIPS_L1_CACHE_SHIFT_7              117         select MIPS_L1_CACHE_SHIFT_7
161         select NO_EXCEPT_FILL                     118         select NO_EXCEPT_FILL
162         select PCI_DRIVERS_GENERIC                119         select PCI_DRIVERS_GENERIC
                                                   >> 120         select PINCTRL
163         select SMP_UP if SMP                      121         select SMP_UP if SMP
164         select SWAP_IO_SPACE                      122         select SWAP_IO_SPACE
165         select SYS_HAS_CPU_MIPS32_R1              123         select SYS_HAS_CPU_MIPS32_R1
166         select SYS_HAS_CPU_MIPS32_R2              124         select SYS_HAS_CPU_MIPS32_R2
167         select SYS_HAS_CPU_MIPS32_R5           << 
168         select SYS_HAS_CPU_MIPS32_R6              125         select SYS_HAS_CPU_MIPS32_R6
169         select SYS_HAS_CPU_MIPS64_R1              126         select SYS_HAS_CPU_MIPS64_R1
170         select SYS_HAS_CPU_MIPS64_R2              127         select SYS_HAS_CPU_MIPS64_R2
171         select SYS_HAS_CPU_MIPS64_R5           << 
172         select SYS_HAS_CPU_MIPS64_R6              128         select SYS_HAS_CPU_MIPS64_R6
173         select SYS_SUPPORTS_32BIT_KERNEL          129         select SYS_SUPPORTS_32BIT_KERNEL
174         select SYS_SUPPORTS_64BIT_KERNEL          130         select SYS_SUPPORTS_64BIT_KERNEL
175         select SYS_SUPPORTS_BIG_ENDIAN            131         select SYS_SUPPORTS_BIG_ENDIAN
176         select SYS_SUPPORTS_HIGHMEM               132         select SYS_SUPPORTS_HIGHMEM
177         select SYS_SUPPORTS_LITTLE_ENDIAN         133         select SYS_SUPPORTS_LITTLE_ENDIAN
178         select SYS_SUPPORTS_MICROMIPS             134         select SYS_SUPPORTS_MICROMIPS
179         select SYS_SUPPORTS_MIPS16             << 
180         select SYS_SUPPORTS_MIPS_CPS              135         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 136         select SYS_SUPPORTS_MIPS16
181         select SYS_SUPPORTS_MULTITHREADING        137         select SYS_SUPPORTS_MULTITHREADING
182         select SYS_SUPPORTS_RELOCATABLE           138         select SYS_SUPPORTS_RELOCATABLE
183         select SYS_SUPPORTS_SMARTMIPS             139         select SYS_SUPPORTS_SMARTMIPS
184         select SYS_SUPPORTS_ZBOOT              << 
185         select UHI_BOOT                        << 
186         select USB_EHCI_BIG_ENDIAN_DESC if CPU    140         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    141         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188         select USB_OHCI_BIG_ENDIAN_DESC if CPU    142         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    143         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190         select USB_UHCI_BIG_ENDIAN_DESC if CPU    144         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191         select USB_UHCI_BIG_ENDIAN_MMIO if CPU    145         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192         select USE_OF                             146         select USE_OF
                                                   >> 147         select UHI_BOOT
193         help                                      148         help
194           Select this to build a kernel which     149           Select this to build a kernel which aims to support multiple boards,
195           generally using a flattened device t    150           generally using a flattened device tree passed from the bootloader
196           using the boot protocol defined in t    151           using the boot protocol defined in the UHI (Unified Hosting
197           Interface) specification.               152           Interface) specification.
198                                                   153 
199 config MIPS_ALCHEMY                               154 config MIPS_ALCHEMY
200         bool "Alchemy processor based machines    155         bool "Alchemy processor based machines"
201         select PHYS_ADDR_T_64BIT                  156         select PHYS_ADDR_T_64BIT
202         select CEVT_R4K                           157         select CEVT_R4K
203         select CSRC_R4K                           158         select CSRC_R4K
204         select IRQ_MIPS_CPU                       159         select IRQ_MIPS_CPU
205         select DMA_NONCOHERENT          # Au10 !! 160         select DMA_MAYBE_COHERENT       # Au1000,1500,1100 aren't, rest is
206         select MIPS_FIXUP_BIGPHYS_ADDR if PCI  << 
207         select SYS_HAS_CPU_MIPS32_R1              161         select SYS_HAS_CPU_MIPS32_R1
208         select SYS_SUPPORTS_32BIT_KERNEL          162         select SYS_SUPPORTS_32BIT_KERNEL
209         select SYS_SUPPORTS_APM_EMULATION         163         select SYS_SUPPORTS_APM_EMULATION
210         select GPIOLIB                            164         select GPIOLIB
211         select SYS_SUPPORTS_ZBOOT                 165         select SYS_SUPPORTS_ZBOOT
212         select COMMON_CLK                         166         select COMMON_CLK
213                                                   167 
                                                   >> 168 config AR7
                                                   >> 169         bool "Texas Instruments AR7"
                                                   >> 170         select BOOT_ELF32
                                                   >> 171         select DMA_NONCOHERENT
                                                   >> 172         select CEVT_R4K
                                                   >> 173         select CSRC_R4K
                                                   >> 174         select IRQ_MIPS_CPU
                                                   >> 175         select NO_EXCEPT_FILL
                                                   >> 176         select SWAP_IO_SPACE
                                                   >> 177         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 178         select SYS_HAS_EARLY_PRINTK
                                                   >> 179         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 180         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 181         select SYS_SUPPORTS_MIPS16
                                                   >> 182         select SYS_SUPPORTS_ZBOOT_UART16550
                                                   >> 183         select GPIOLIB
                                                   >> 184         select VLYNQ
                                                   >> 185         select HAVE_CLK
                                                   >> 186         help
                                                   >> 187           Support for the Texas Instruments AR7 System-on-a-Chip
                                                   >> 188           family: TNETD7100, 7200 and 7300.
                                                   >> 189 
214 config ATH25                                      190 config ATH25
215         bool "Atheros AR231x/AR531x SoC suppor    191         bool "Atheros AR231x/AR531x SoC support"
216         select CEVT_R4K                           192         select CEVT_R4K
217         select CSRC_R4K                           193         select CSRC_R4K
218         select DMA_NONCOHERENT                    194         select DMA_NONCOHERENT
219         select IRQ_MIPS_CPU                       195         select IRQ_MIPS_CPU
220         select IRQ_DOMAIN                         196         select IRQ_DOMAIN
221         select SYS_HAS_CPU_MIPS32_R1              197         select SYS_HAS_CPU_MIPS32_R1
222         select SYS_SUPPORTS_BIG_ENDIAN            198         select SYS_SUPPORTS_BIG_ENDIAN
223         select SYS_SUPPORTS_32BIT_KERNEL          199         select SYS_SUPPORTS_32BIT_KERNEL
224         select SYS_HAS_EARLY_PRINTK               200         select SYS_HAS_EARLY_PRINTK
225         help                                      201         help
226           Support for Atheros AR231x and Ather    202           Support for Atheros AR231x and Atheros AR531x based boards
227                                                   203 
228 config ATH79                                      204 config ATH79
229         bool "Atheros AR71XX/AR724X/AR913X bas    205         bool "Atheros AR71XX/AR724X/AR913X based boards"
230         select ARCH_HAS_RESET_CONTROLLER          206         select ARCH_HAS_RESET_CONTROLLER
231         select BOOT_RAW                           207         select BOOT_RAW
232         select CEVT_R4K                           208         select CEVT_R4K
233         select CSRC_R4K                           209         select CSRC_R4K
234         select DMA_NONCOHERENT                    210         select DMA_NONCOHERENT
235         select GPIOLIB                            211         select GPIOLIB
236         select PINCTRL                            212         select PINCTRL
                                                   >> 213         select HAVE_CLK
237         select COMMON_CLK                         214         select COMMON_CLK
                                                   >> 215         select CLKDEV_LOOKUP
238         select IRQ_MIPS_CPU                       216         select IRQ_MIPS_CPU
239         select SYS_HAS_CPU_MIPS32_R2              217         select SYS_HAS_CPU_MIPS32_R2
240         select SYS_HAS_EARLY_PRINTK               218         select SYS_HAS_EARLY_PRINTK
241         select SYS_SUPPORTS_32BIT_KERNEL          219         select SYS_SUPPORTS_32BIT_KERNEL
242         select SYS_SUPPORTS_BIG_ENDIAN            220         select SYS_SUPPORTS_BIG_ENDIAN
243         select SYS_SUPPORTS_MIPS16                221         select SYS_SUPPORTS_MIPS16
244         select SYS_SUPPORTS_ZBOOT_UART_PROM       222         select SYS_SUPPORTS_ZBOOT_UART_PROM
245         select USE_OF                             223         select USE_OF
246         select USB_EHCI_ROOT_HUB_TT if USB_EHC    224         select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247         help                                      225         help
248           Support for the Atheros AR71XX/AR724    226           Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249                                                   227 
250 config BMIPS_GENERIC                              228 config BMIPS_GENERIC
251         bool "Broadcom Generic BMIPS kernel"      229         bool "Broadcom Generic BMIPS kernel"
252         select ARCH_HAS_RESET_CONTROLLER       << 
253         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL      230         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
                                                   >> 231         select ARCH_HAS_PHYS_TO_DMA
254         select BOOT_RAW                           232         select BOOT_RAW
255         select NO_EXCEPT_FILL                     233         select NO_EXCEPT_FILL
256         select USE_OF                             234         select USE_OF
257         select CEVT_R4K                           235         select CEVT_R4K
258         select CSRC_R4K                           236         select CSRC_R4K
259         select SYNC_R4K                           237         select SYNC_R4K
260         select COMMON_CLK                         238         select COMMON_CLK
261         select BCM6345_L1_IRQ                     239         select BCM6345_L1_IRQ
262         select BCM7038_L1_IRQ                     240         select BCM7038_L1_IRQ
263         select BCM7120_L2_IRQ                     241         select BCM7120_L2_IRQ
264         select BRCMSTB_L2_IRQ                     242         select BRCMSTB_L2_IRQ
265         select IRQ_MIPS_CPU                       243         select IRQ_MIPS_CPU
266         select DMA_NONCOHERENT                    244         select DMA_NONCOHERENT
267         select SYS_SUPPORTS_32BIT_KERNEL          245         select SYS_SUPPORTS_32BIT_KERNEL
268         select SYS_SUPPORTS_LITTLE_ENDIAN         246         select SYS_SUPPORTS_LITTLE_ENDIAN
269         select SYS_SUPPORTS_BIG_ENDIAN            247         select SYS_SUPPORTS_BIG_ENDIAN
270         select SYS_SUPPORTS_HIGHMEM               248         select SYS_SUPPORTS_HIGHMEM
271         select SYS_HAS_CPU_BMIPS32_3300           249         select SYS_HAS_CPU_BMIPS32_3300
272         select SYS_HAS_CPU_BMIPS4350              250         select SYS_HAS_CPU_BMIPS4350
273         select SYS_HAS_CPU_BMIPS4380              251         select SYS_HAS_CPU_BMIPS4380
274         select SYS_HAS_CPU_BMIPS5000              252         select SYS_HAS_CPU_BMIPS5000
275         select SWAP_IO_SPACE                      253         select SWAP_IO_SPACE
276         select USB_EHCI_BIG_ENDIAN_DESC if CPU    254         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    255         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278         select USB_OHCI_BIG_ENDIAN_DESC if CPU    256         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    257         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280         select HARDIRQS_SW_RESEND                 258         select HARDIRQS_SW_RESEND
281         select HAVE_PCI                        << 
282         select PCI_DRIVERS_GENERIC             << 
283         select FW_CFE                          << 
284         help                                      259         help
285           Build a generic DT-based kernel imag    260           Build a generic DT-based kernel image that boots on select
286           BCM33xx cable modem chips, BCM63xx D    261           BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287           box chips.  Note that CONFIG_CPU_BIG    262           box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288           must be set appropriately for your b    263           must be set appropriately for your board.
289                                                   264 
290 config BCM47XX                                    265 config BCM47XX
291         bool "Broadcom BCM47XX based boards"      266         bool "Broadcom BCM47XX based boards"
292         select BOOT_RAW                           267         select BOOT_RAW
293         select CEVT_R4K                           268         select CEVT_R4K
294         select CSRC_R4K                           269         select CSRC_R4K
295         select DMA_NONCOHERENT                    270         select DMA_NONCOHERENT
296         select HAVE_PCI                           271         select HAVE_PCI
297         select IRQ_MIPS_CPU                       272         select IRQ_MIPS_CPU
298         select SYS_HAS_CPU_MIPS32_R1              273         select SYS_HAS_CPU_MIPS32_R1
299         select NO_EXCEPT_FILL                     274         select NO_EXCEPT_FILL
300         select SYS_SUPPORTS_32BIT_KERNEL          275         select SYS_SUPPORTS_32BIT_KERNEL
301         select SYS_SUPPORTS_LITTLE_ENDIAN         276         select SYS_SUPPORTS_LITTLE_ENDIAN
302         select SYS_SUPPORTS_MIPS16                277         select SYS_SUPPORTS_MIPS16
303         select SYS_SUPPORTS_ZBOOT                 278         select SYS_SUPPORTS_ZBOOT
304         select SYS_HAS_EARLY_PRINTK               279         select SYS_HAS_EARLY_PRINTK
305         select USE_GENERIC_EARLY_PRINTK_8250      280         select USE_GENERIC_EARLY_PRINTK_8250
306         select GPIOLIB                            281         select GPIOLIB
307         select LEDS_GPIO_REGISTER                 282         select LEDS_GPIO_REGISTER
308         select BCM47XX_NVRAM                      283         select BCM47XX_NVRAM
309         select BCM47XX_SPROM                      284         select BCM47XX_SPROM
310         select BCM47XX_SSB if !BCM47XX_BCMA       285         select BCM47XX_SSB if !BCM47XX_BCMA
311         help                                      286         help
312           Support for BCM47XX based boards        287           Support for BCM47XX based boards
313                                                   288 
314 config BCM63XX                                    289 config BCM63XX
315         bool "Broadcom BCM63XX based boards"      290         bool "Broadcom BCM63XX based boards"
316         select BOOT_RAW                           291         select BOOT_RAW
317         select CEVT_R4K                           292         select CEVT_R4K
318         select CSRC_R4K                           293         select CSRC_R4K
319         select SYNC_R4K                           294         select SYNC_R4K
320         select DMA_NONCOHERENT                    295         select DMA_NONCOHERENT
321         select IRQ_MIPS_CPU                       296         select IRQ_MIPS_CPU
322         select SYS_SUPPORTS_32BIT_KERNEL          297         select SYS_SUPPORTS_32BIT_KERNEL
323         select SYS_SUPPORTS_BIG_ENDIAN            298         select SYS_SUPPORTS_BIG_ENDIAN
324         select SYS_HAS_EARLY_PRINTK               299         select SYS_HAS_EARLY_PRINTK
325         select SYS_HAS_CPU_BMIPS32_3300        << 
326         select SYS_HAS_CPU_BMIPS4350           << 
327         select SYS_HAS_CPU_BMIPS4380           << 
328         select SWAP_IO_SPACE                      300         select SWAP_IO_SPACE
329         select GPIOLIB                            301         select GPIOLIB
                                                   >> 302         select HAVE_CLK
330         select MIPS_L1_CACHE_SHIFT_4              303         select MIPS_L1_CACHE_SHIFT_4
331         select HAVE_LEGACY_CLK                 !! 304         select CLKDEV_LOOKUP
332         help                                      305         help
333           Support for BCM63XX based boards        306           Support for BCM63XX based boards
334                                                   307 
335 config MIPS_COBALT                                308 config MIPS_COBALT
336         bool "Cobalt Server"                      309         bool "Cobalt Server"
337         select CEVT_R4K                           310         select CEVT_R4K
338         select CSRC_R4K                           311         select CSRC_R4K
339         select CEVT_GT641XX                       312         select CEVT_GT641XX
340         select DMA_NONCOHERENT                    313         select DMA_NONCOHERENT
341         select FORCE_PCI                          314         select FORCE_PCI
342         select I8253                              315         select I8253
343         select I8259                              316         select I8259
344         select IRQ_MIPS_CPU                       317         select IRQ_MIPS_CPU
345         select IRQ_GT641XX                        318         select IRQ_GT641XX
346         select PCI_GT64XXX_PCI0                   319         select PCI_GT64XXX_PCI0
347         select SYS_HAS_CPU_NEVADA                 320         select SYS_HAS_CPU_NEVADA
348         select SYS_HAS_EARLY_PRINTK               321         select SYS_HAS_EARLY_PRINTK
349         select SYS_SUPPORTS_32BIT_KERNEL          322         select SYS_SUPPORTS_32BIT_KERNEL
350         select SYS_SUPPORTS_64BIT_KERNEL          323         select SYS_SUPPORTS_64BIT_KERNEL
351         select SYS_SUPPORTS_LITTLE_ENDIAN         324         select SYS_SUPPORTS_LITTLE_ENDIAN
352         select USE_GENERIC_EARLY_PRINTK_8250      325         select USE_GENERIC_EARLY_PRINTK_8250
353                                                   326 
354 config MACH_DECSTATION                            327 config MACH_DECSTATION
355         bool "DECstations"                        328         bool "DECstations"
356         select BOOT_ELF32                         329         select BOOT_ELF32
357         select CEVT_DS1287                        330         select CEVT_DS1287
358         select CEVT_R4K if CPU_R4X00              331         select CEVT_R4K if CPU_R4X00
359         select CSRC_IOASIC                        332         select CSRC_IOASIC
360         select CSRC_R4K if CPU_R4X00              333         select CSRC_R4K if CPU_R4X00
361         select CPU_DADDI_WORKAROUNDS if 64BIT     334         select CPU_DADDI_WORKAROUNDS if 64BIT
362         select CPU_R4000_WORKAROUNDS if 64BIT     335         select CPU_R4000_WORKAROUNDS if 64BIT
363         select CPU_R4400_WORKAROUNDS if 64BIT     336         select CPU_R4400_WORKAROUNDS if 64BIT
364         select DMA_NONCOHERENT                    337         select DMA_NONCOHERENT
365         select NO_IOPORT_MAP                      338         select NO_IOPORT_MAP
366         select IRQ_MIPS_CPU                       339         select IRQ_MIPS_CPU
367         select SYS_HAS_CPU_R3000                  340         select SYS_HAS_CPU_R3000
368         select SYS_HAS_CPU_R4X00                  341         select SYS_HAS_CPU_R4X00
369         select SYS_SUPPORTS_32BIT_KERNEL          342         select SYS_SUPPORTS_32BIT_KERNEL
370         select SYS_SUPPORTS_64BIT_KERNEL          343         select SYS_SUPPORTS_64BIT_KERNEL
371         select SYS_SUPPORTS_LITTLE_ENDIAN         344         select SYS_SUPPORTS_LITTLE_ENDIAN
372         select SYS_SUPPORTS_128HZ                 345         select SYS_SUPPORTS_128HZ
373         select SYS_SUPPORTS_256HZ                 346         select SYS_SUPPORTS_256HZ
374         select SYS_SUPPORTS_1024HZ                347         select SYS_SUPPORTS_1024HZ
375         select MIPS_L1_CACHE_SHIFT_4              348         select MIPS_L1_CACHE_SHIFT_4
376         help                                      349         help
377           This enables support for DEC's MIPS     350           This enables support for DEC's MIPS based workstations.  For details
378           see the Linux/MIPS FAQ on <http://ww    351           see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379           DECstation porting pages on <http://    352           DECstation porting pages on <http://decstation.unix-ag.org/>.
380                                                   353 
381           If you have one of the following DEC    354           If you have one of the following DECstation Models you definitely
382           want to choose R4xx0 for the CPU Typ    355           want to choose R4xx0 for the CPU Type:
383                                                   356 
384                 DECstation 5000/50                357                 DECstation 5000/50
385                 DECstation 5000/150               358                 DECstation 5000/150
386                 DECstation 5000/260               359                 DECstation 5000/260
387                 DECsystem 5900/260                360                 DECsystem 5900/260
388                                                   361 
389           otherwise choose R3000.                 362           otherwise choose R3000.
390                                                   363 
391 config MACH_JAZZ                                  364 config MACH_JAZZ
392         bool "Jazz family of machines"            365         bool "Jazz family of machines"
393         select ARC_MEMORY                         366         select ARC_MEMORY
394         select ARC_PROMLIB                        367         select ARC_PROMLIB
395         select ARCH_MIGHT_HAVE_PC_PARPORT         368         select ARCH_MIGHT_HAVE_PC_PARPORT
396         select ARCH_MIGHT_HAVE_PC_SERIO           369         select ARCH_MIGHT_HAVE_PC_SERIO
397         select FW_ARC                             370         select FW_ARC
398         select FW_ARC32                           371         select FW_ARC32
399         select ARCH_MAY_HAVE_PC_FDC               372         select ARCH_MAY_HAVE_PC_FDC
400         select CEVT_R4K                           373         select CEVT_R4K
401         select CSRC_R4K                           374         select CSRC_R4K
402         select DEFAULT_SGI_PARTITION if CPU_BI    375         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403         select GENERIC_ISA_DMA                    376         select GENERIC_ISA_DMA
404         select HAVE_PCSPKR_PLATFORM               377         select HAVE_PCSPKR_PLATFORM
405         select IRQ_MIPS_CPU                       378         select IRQ_MIPS_CPU
406         select I8253                              379         select I8253
407         select I8259                              380         select I8259
408         select ISA                                381         select ISA
409         select SYS_HAS_CPU_R4X00                  382         select SYS_HAS_CPU_R4X00
410         select SYS_SUPPORTS_32BIT_KERNEL          383         select SYS_SUPPORTS_32BIT_KERNEL
411         select SYS_SUPPORTS_64BIT_KERNEL          384         select SYS_SUPPORTS_64BIT_KERNEL
412         select SYS_SUPPORTS_100HZ                 385         select SYS_SUPPORTS_100HZ
413         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
414         help                                      386         help
415           This a family of machines based on t    387           This a family of machines based on the MIPS R4030 chipset which was
416           used by several vendors to build RIS    388           used by several vendors to build RISC/os and Windows NT workstations.
417           Members include the Acer PICA, MIPS     389           Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418           Olivetti M700-10 workstations.          390           Olivetti M700-10 workstations.
419                                                   391 
420 config MACH_INGENIC_SOC                        !! 392 config MACH_INGENIC
421         bool "Ingenic SoC based machines"         393         bool "Ingenic SoC based machines"
422         select MIPS_GENERIC                    !! 394         select SYS_SUPPORTS_32BIT_KERNEL
423         select MACH_INGENIC                    !! 395         select SYS_SUPPORTS_LITTLE_ENDIAN
424         select MACH_GENERIC_CORE               << 
425         select SYS_SUPPORTS_ZBOOT_UART16550       396         select SYS_SUPPORTS_ZBOOT_UART16550
426         select CPU_SUPPORTS_CPUFREQ            !! 397         select CPU_SUPPORTS_HUGEPAGES
427         select MIPS_EXTERNAL_TIMER             !! 398         select DMA_NONCOHERENT
                                                   >> 399         select IRQ_MIPS_CPU
                                                   >> 400         select PINCTRL
                                                   >> 401         select GPIOLIB
                                                   >> 402         select COMMON_CLK
                                                   >> 403         select GENERIC_IRQ_CHIP
                                                   >> 404         select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
                                                   >> 405         select USE_OF
                                                   >> 406         select LIBFDT
428                                                   407 
429 config LANTIQ                                     408 config LANTIQ
430         bool "Lantiq based platforms"             409         bool "Lantiq based platforms"
431         select DMA_NONCOHERENT                    410         select DMA_NONCOHERENT
432         select IRQ_MIPS_CPU                       411         select IRQ_MIPS_CPU
433         select CEVT_R4K                           412         select CEVT_R4K
434         select CSRC_R4K                           413         select CSRC_R4K
435         select NO_EXCEPT_FILL                  << 
436         select SYS_HAS_CPU_MIPS32_R1              414         select SYS_HAS_CPU_MIPS32_R1
437         select SYS_HAS_CPU_MIPS32_R2              415         select SYS_HAS_CPU_MIPS32_R2
438         select SYS_SUPPORTS_BIG_ENDIAN            416         select SYS_SUPPORTS_BIG_ENDIAN
439         select SYS_SUPPORTS_32BIT_KERNEL          417         select SYS_SUPPORTS_32BIT_KERNEL
440         select SYS_SUPPORTS_MIPS16                418         select SYS_SUPPORTS_MIPS16
441         select SYS_SUPPORTS_MULTITHREADING        419         select SYS_SUPPORTS_MULTITHREADING
442         select SYS_SUPPORTS_VPE_LOADER            420         select SYS_SUPPORTS_VPE_LOADER
443         select SYS_HAS_EARLY_PRINTK               421         select SYS_HAS_EARLY_PRINTK
444         select GPIOLIB                            422         select GPIOLIB
445         select SWAP_IO_SPACE                      423         select SWAP_IO_SPACE
446         select BOOT_RAW                           424         select BOOT_RAW
447         select HAVE_LEGACY_CLK                 !! 425         select CLKDEV_LOOKUP
448         select USE_OF                             426         select USE_OF
449         select PINCTRL                            427         select PINCTRL
450         select PINCTRL_LANTIQ                     428         select PINCTRL_LANTIQ
451         select ARCH_HAS_RESET_CONTROLLER          429         select ARCH_HAS_RESET_CONTROLLER
452         select RESET_CONTROLLER                   430         select RESET_CONTROLLER
453                                                   431 
                                                   >> 432 config LASAT
                                                   >> 433         bool "LASAT Networks platforms"
                                                   >> 434         select CEVT_R4K
                                                   >> 435         select CRC32
                                                   >> 436         select CSRC_R4K
                                                   >> 437         select DMA_NONCOHERENT
                                                   >> 438         select SYS_HAS_EARLY_PRINTK
                                                   >> 439         select HAVE_PCI
                                                   >> 440         select IRQ_MIPS_CPU
                                                   >> 441         select PCI_GT64XXX_PCI0
                                                   >> 442         select MIPS_NILE4
                                                   >> 443         select R5000_CPU_SCACHE
                                                   >> 444         select SYS_HAS_CPU_R5000
                                                   >> 445         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 446         select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
                                                   >> 447         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 448 
454 config MACH_LOONGSON32                            449 config MACH_LOONGSON32
455         bool "Loongson 32-bit family of machin    450         bool "Loongson 32-bit family of machines"
456         select SYS_SUPPORTS_ZBOOT                 451         select SYS_SUPPORTS_ZBOOT
457         help                                      452         help
458           This enables support for the Loongso    453           This enables support for the Loongson-1 family of machines.
459                                                   454 
460           Loongson-1 is a family of 32-bit MIP    455           Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461           the Institute of Computing Technolog    456           the Institute of Computing Technology (ICT), Chinese Academy of
462           Sciences (CAS).                         457           Sciences (CAS).
463                                                   458 
464 config MACH_LOONGSON2EF                           459 config MACH_LOONGSON2EF
465         bool "Loongson-2E/F family of machines    460         bool "Loongson-2E/F family of machines"
466         select SYS_SUPPORTS_ZBOOT                 461         select SYS_SUPPORTS_ZBOOT
467         help                                      462         help
468           This enables the support of early Lo    463           This enables the support of early Loongson-2E/F family of machines.
469                                                   464 
470 config MACH_LOONGSON64                            465 config MACH_LOONGSON64
471         bool "Loongson 64-bit family of machin    466         bool "Loongson 64-bit family of machines"
472         select ARCH_DMA_DEFAULT_COHERENT       << 
473         select ARCH_SPARSEMEM_ENABLE              467         select ARCH_SPARSEMEM_ENABLE
474         select ARCH_MIGHT_HAVE_PC_PARPORT         468         select ARCH_MIGHT_HAVE_PC_PARPORT
475         select ARCH_MIGHT_HAVE_PC_SERIO           469         select ARCH_MIGHT_HAVE_PC_SERIO
476         select GENERIC_ISA_DMA_SUPPORT_BROKEN     470         select GENERIC_ISA_DMA_SUPPORT_BROKEN
477         select BOOT_ELF32                         471         select BOOT_ELF32
478         select BOARD_SCACHE                       472         select BOARD_SCACHE
479         select CSRC_R4K                           473         select CSRC_R4K
480         select CEVT_R4K                           474         select CEVT_R4K
481         select SYNC_R4K                        !! 475         select CPU_HAS_WB
482         select FORCE_PCI                          476         select FORCE_PCI
483         select ISA                                477         select ISA
484         select I8259                              478         select I8259
485         select IRQ_MIPS_CPU                       479         select IRQ_MIPS_CPU
486         select NO_EXCEPT_FILL                  !! 480         select NR_CPUS_DEFAULT_4
487         select NR_CPUS_DEFAULT_64              << 
488         select USE_GENERIC_EARLY_PRINTK_8250      481         select USE_GENERIC_EARLY_PRINTK_8250
489         select PCI_DRIVERS_GENERIC             << 
490         select SYS_HAS_CPU_LOONGSON64             482         select SYS_HAS_CPU_LOONGSON64
491         select SYS_HAS_EARLY_PRINTK               483         select SYS_HAS_EARLY_PRINTK
492         select SYS_SUPPORTS_SMP                   484         select SYS_SUPPORTS_SMP
493         select SYS_SUPPORTS_HOTPLUG_CPU           485         select SYS_SUPPORTS_HOTPLUG_CPU
494         select SYS_SUPPORTS_NUMA                  486         select SYS_SUPPORTS_NUMA
495         select SYS_SUPPORTS_64BIT_KERNEL          487         select SYS_SUPPORTS_64BIT_KERNEL
496         select SYS_SUPPORTS_HIGHMEM               488         select SYS_SUPPORTS_HIGHMEM
497         select SYS_SUPPORTS_LITTLE_ENDIAN         489         select SYS_SUPPORTS_LITTLE_ENDIAN
498         select SYS_SUPPORTS_ZBOOT                 490         select SYS_SUPPORTS_ZBOOT
499         select SYS_SUPPORTS_RELOCATABLE        !! 491         select LOONGSON_MC146818
500         select ZONE_DMA32                         492         select ZONE_DMA32
501         select COMMON_CLK                      !! 493         select NUMA
502         select USE_OF                          << 
503         select BUILTIN_DTB                     << 
504         select PCI_HOST_GENERIC                << 
505         help                                      494         help
506           This enables the support of Loongson    495           This enables the support of Loongson-2/3 family of machines.
507                                                   496 
508           Loongson-2 and Loongson-3 are 64-bit    497           Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509           GS264/GS464/GS464E/GS464V microarchi    498           GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510           and Loongson-2F which will be remove    499           and Loongson-2F which will be removed), developed by the Institute
511           of Computing Technology (ICT), Chine    500           of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512                                                   501 
                                                   >> 502 config MACH_PISTACHIO
                                                   >> 503         bool "IMG Pistachio SoC based boards"
                                                   >> 504         select BOOT_ELF32
                                                   >> 505         select BOOT_RAW
                                                   >> 506         select CEVT_R4K
                                                   >> 507         select CLKSRC_MIPS_GIC
                                                   >> 508         select COMMON_CLK
                                                   >> 509         select CSRC_R4K
                                                   >> 510         select DMA_NONCOHERENT
                                                   >> 511         select GPIOLIB
                                                   >> 512         select IRQ_MIPS_CPU
                                                   >> 513         select LIBFDT
                                                   >> 514         select MFD_SYSCON
                                                   >> 515         select MIPS_CPU_SCACHE
                                                   >> 516         select MIPS_GIC
                                                   >> 517         select PINCTRL
                                                   >> 518         select REGULATOR
                                                   >> 519         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 520         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 521         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 522         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 523         select SYS_SUPPORTS_MULTITHREADING
                                                   >> 524         select SYS_SUPPORTS_RELOCATABLE
                                                   >> 525         select SYS_SUPPORTS_ZBOOT
                                                   >> 526         select SYS_HAS_EARLY_PRINTK
                                                   >> 527         select USE_GENERIC_EARLY_PRINTK_8250
                                                   >> 528         select USE_OF
                                                   >> 529         help
                                                   >> 530           This enables support for the IMG Pistachio SoC platform.
                                                   >> 531 
513 config MIPS_MALTA                                 532 config MIPS_MALTA
514         bool "MIPS Malta board"                   533         bool "MIPS Malta board"
515         select ARCH_MAY_HAVE_PC_FDC               534         select ARCH_MAY_HAVE_PC_FDC
516         select ARCH_MIGHT_HAVE_PC_PARPORT         535         select ARCH_MIGHT_HAVE_PC_PARPORT
517         select ARCH_MIGHT_HAVE_PC_SERIO           536         select ARCH_MIGHT_HAVE_PC_SERIO
518         select BOOT_ELF32                         537         select BOOT_ELF32
519         select BOOT_RAW                           538         select BOOT_RAW
520         select BUILTIN_DTB                        539         select BUILTIN_DTB
521         select CEVT_R4K                           540         select CEVT_R4K
522         select CLKSRC_MIPS_GIC                    541         select CLKSRC_MIPS_GIC
523         select COMMON_CLK                         542         select COMMON_CLK
524         select CSRC_R4K                           543         select CSRC_R4K
525         select DMA_NONCOHERENT                 !! 544         select DMA_MAYBE_COHERENT
526         select GENERIC_ISA_DMA                    545         select GENERIC_ISA_DMA
527         select HAVE_PCSPKR_PLATFORM               546         select HAVE_PCSPKR_PLATFORM
528         select HAVE_PCI                           547         select HAVE_PCI
529         select I8253                              548         select I8253
530         select I8259                              549         select I8259
531         select IRQ_MIPS_CPU                       550         select IRQ_MIPS_CPU
                                                   >> 551         select LIBFDT
532         select MIPS_BONITO64                      552         select MIPS_BONITO64
533         select MIPS_CPU_SCACHE                    553         select MIPS_CPU_SCACHE
534         select MIPS_GIC                           554         select MIPS_GIC
535         select MIPS_L1_CACHE_SHIFT_6              555         select MIPS_L1_CACHE_SHIFT_6
536         select MIPS_MSC                           556         select MIPS_MSC
537         select PCI_GT64XXX_PCI0                   557         select PCI_GT64XXX_PCI0
538         select SMP_UP if SMP                      558         select SMP_UP if SMP
539         select SWAP_IO_SPACE                      559         select SWAP_IO_SPACE
540         select SYS_HAS_CPU_MIPS32_R1              560         select SYS_HAS_CPU_MIPS32_R1
541         select SYS_HAS_CPU_MIPS32_R2              561         select SYS_HAS_CPU_MIPS32_R2
542         select SYS_HAS_CPU_MIPS32_R3_5            562         select SYS_HAS_CPU_MIPS32_R3_5
543         select SYS_HAS_CPU_MIPS32_R5              563         select SYS_HAS_CPU_MIPS32_R5
544         select SYS_HAS_CPU_MIPS32_R6              564         select SYS_HAS_CPU_MIPS32_R6
545         select SYS_HAS_CPU_MIPS64_R1              565         select SYS_HAS_CPU_MIPS64_R1
546         select SYS_HAS_CPU_MIPS64_R2              566         select SYS_HAS_CPU_MIPS64_R2
547         select SYS_HAS_CPU_MIPS64_R6              567         select SYS_HAS_CPU_MIPS64_R6
548         select SYS_HAS_CPU_NEVADA                 568         select SYS_HAS_CPU_NEVADA
549         select SYS_HAS_CPU_RM7000                 569         select SYS_HAS_CPU_RM7000
550         select SYS_SUPPORTS_32BIT_KERNEL          570         select SYS_SUPPORTS_32BIT_KERNEL
551         select SYS_SUPPORTS_64BIT_KERNEL          571         select SYS_SUPPORTS_64BIT_KERNEL
552         select SYS_SUPPORTS_BIG_ENDIAN            572         select SYS_SUPPORTS_BIG_ENDIAN
553         select SYS_SUPPORTS_HIGHMEM               573         select SYS_SUPPORTS_HIGHMEM
554         select SYS_SUPPORTS_LITTLE_ENDIAN         574         select SYS_SUPPORTS_LITTLE_ENDIAN
555         select SYS_SUPPORTS_MICROMIPS             575         select SYS_SUPPORTS_MICROMIPS
556         select SYS_SUPPORTS_MIPS16                576         select SYS_SUPPORTS_MIPS16
                                                   >> 577         select SYS_SUPPORTS_MIPS_CMP
557         select SYS_SUPPORTS_MIPS_CPS              578         select SYS_SUPPORTS_MIPS_CPS
558         select SYS_SUPPORTS_MULTITHREADING        579         select SYS_SUPPORTS_MULTITHREADING
559         select SYS_SUPPORTS_RELOCATABLE           580         select SYS_SUPPORTS_RELOCATABLE
560         select SYS_SUPPORTS_SMARTMIPS             581         select SYS_SUPPORTS_SMARTMIPS
561         select SYS_SUPPORTS_VPE_LOADER            582         select SYS_SUPPORTS_VPE_LOADER
562         select SYS_SUPPORTS_ZBOOT                 583         select SYS_SUPPORTS_ZBOOT
563         select USE_OF                             584         select USE_OF
564         select WAR_ICACHE_REFILLS              << 
565         select ZONE_DMA32 if 64BIT                585         select ZONE_DMA32 if 64BIT
566         help                                      586         help
567           This enables support for the MIPS Te    587           This enables support for the MIPS Technologies Malta evaluation
568           board.                                  588           board.
569                                                   589 
570 config MACH_PIC32                                 590 config MACH_PIC32
571         bool "Microchip PIC32 Family"             591         bool "Microchip PIC32 Family"
572         help                                      592         help
573           This enables support for the Microch    593           This enables support for the Microchip PIC32 family of platforms.
574                                                   594 
575           Microchip PIC32 is a family of gener    595           Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576           microcontrollers.                       596           microcontrollers.
577                                                   597 
578 config EYEQ                                    !! 598 config NEC_MARKEINS
579         bool "Mobileye EyeQ SoC"               !! 599         bool "NEC EMMA2RH Mark-eins board"
580         select MACH_GENERIC_CORE               !! 600         select SOC_EMMA2RH
581         select ARM_AMBA                        !! 601         select HAVE_PCI
582         select PHYSICAL_START_BOOL             !! 602         help
583         select ARCH_SPARSEMEM_DEFAULT if 64BIT !! 603           This enables support for the NEC Electronics Mark-eins boards.
584         select BOOT_RAW                        !! 604 
585         select BUILTIN_DTB                     !! 605 config MACH_VR41XX
                                                   >> 606         bool "NEC VR4100 series based machines"
586         select CEVT_R4K                           607         select CEVT_R4K
587         select CLKSRC_MIPS_GIC                 << 
588         select COMMON_CLK                      << 
589         select CPU_MIPSR2_IRQ_EI               << 
590         select CPU_MIPSR2_IRQ_VI               << 
591         select CSRC_R4K                           608         select CSRC_R4K
592         select DMA_NONCOHERENT                 !! 609         select SYS_HAS_CPU_VR41XX
593         select HAVE_PCI                        !! 610         select SYS_SUPPORTS_MIPS16
594         select IRQ_MIPS_CPU                    !! 611         select GPIOLIB
595         select MIPS_AUTO_PFN_OFFSET            !! 612 
596         select MIPS_CPU_SCACHE                 !! 613 config NXP_STB220
597         select MIPS_GIC                        !! 614         bool "NXP STB220 board"
598         select MIPS_L1_CACHE_SHIFT_7           !! 615         select SOC_PNX833X
599         select PCI_DRIVERS_GENERIC             << 
600         select SMP_UP if SMP                   << 
601         select SWAP_IO_SPACE                   << 
602         select SYS_HAS_CPU_MIPS64_R6           << 
603         select SYS_SUPPORTS_64BIT_KERNEL       << 
604         select SYS_SUPPORTS_HIGHMEM            << 
605         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
606         select SYS_SUPPORTS_MIPS_CPS           << 
607         select SYS_SUPPORTS_RELOCATABLE        << 
608         select SYS_SUPPORTS_ZBOOT              << 
609         select UHI_BOOT                        << 
610         select USB_EHCI_BIG_ENDIAN_DESC if CPU << 
611         select USB_EHCI_BIG_ENDIAN_MMIO if CPU << 
612         select USB_OHCI_BIG_ENDIAN_DESC if CPU << 
613         select USB_OHCI_BIG_ENDIAN_MMIO if CPU << 
614         select USB_UHCI_BIG_ENDIAN_DESC if CPU << 
615         select USB_UHCI_BIG_ENDIAN_MMIO if CPU << 
616         select USE_OF                          << 
617         help                                      616         help
618           Select this to build a kernel suppor !! 617           Support for NXP Semiconductors STB220 Development Board.
619                                                   618 
620         bool                                   !! 619 config NXP_STB225
                                                   >> 620         bool "NXP 225 board"
                                                   >> 621         select SOC_PNX833X
                                                   >> 622         select SOC_PNX8335
                                                   >> 623         help
                                                   >> 624           Support for NXP Semiconductors STB225 Development Board.
621                                                   625 
622 config MACH_NINTENDO64                         !! 626 config PMC_MSP
623         bool "Nintendo 64 console"             !! 627         bool "PMC-Sierra MSP chipsets"
624         select CEVT_R4K                           628         select CEVT_R4K
625         select CSRC_R4K                           629         select CSRC_R4K
626         select SYS_HAS_CPU_R4300               << 
627         select SYS_SUPPORTS_BIG_ENDIAN         << 
628         select SYS_SUPPORTS_ZBOOT              << 
629         select SYS_SUPPORTS_32BIT_KERNEL       << 
630         select SYS_SUPPORTS_64BIT_KERNEL       << 
631         select DMA_NONCOHERENT                    630         select DMA_NONCOHERENT
                                                   >> 631         select SWAP_IO_SPACE
                                                   >> 632         select NO_EXCEPT_FILL
                                                   >> 633         select BOOT_RAW
                                                   >> 634         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 635         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 636         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 637         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 638         select SYS_SUPPORTS_MIPS16
632         select IRQ_MIPS_CPU                       639         select IRQ_MIPS_CPU
                                                   >> 640         select SERIAL_8250
                                                   >> 641         select SERIAL_8250_CONSOLE
                                                   >> 642         select USB_EHCI_BIG_ENDIAN_MMIO
                                                   >> 643         select USB_EHCI_BIG_ENDIAN_DESC
                                                   >> 644         help
                                                   >> 645           This adds support for the PMC-Sierra family of Multi-Service
                                                   >> 646           Processor System-On-A-Chips.  These parts include a number
                                                   >> 647           of integrated peripherals, interfaces and DSPs in addition to
                                                   >> 648           a variety of MIPS cores.
633                                                   649 
634 config RALINK                                     650 config RALINK
635         bool "Ralink based machines"              651         bool "Ralink based machines"
636         select CEVT_R4K                           652         select CEVT_R4K
637         select COMMON_CLK                      << 
638         select CSRC_R4K                           653         select CSRC_R4K
639         select BOOT_RAW                           654         select BOOT_RAW
640         select DMA_NONCOHERENT                    655         select DMA_NONCOHERENT
641         select IRQ_MIPS_CPU                       656         select IRQ_MIPS_CPU
642         select USE_OF                             657         select USE_OF
                                                   >> 658         select SYS_HAS_CPU_MIPS32_R1
643         select SYS_HAS_CPU_MIPS32_R2              659         select SYS_HAS_CPU_MIPS32_R2
644         select SYS_SUPPORTS_32BIT_KERNEL          660         select SYS_SUPPORTS_32BIT_KERNEL
645         select SYS_SUPPORTS_LITTLE_ENDIAN         661         select SYS_SUPPORTS_LITTLE_ENDIAN
646         select SYS_SUPPORTS_MIPS16                662         select SYS_SUPPORTS_MIPS16
647         select SYS_SUPPORTS_ZBOOT              << 
648         select SYS_HAS_EARLY_PRINTK               663         select SYS_HAS_EARLY_PRINTK
                                                   >> 664         select CLKDEV_LOOKUP
649         select ARCH_HAS_RESET_CONTROLLER          665         select ARCH_HAS_RESET_CONTROLLER
650         select RESET_CONTROLLER                   666         select RESET_CONTROLLER
651                                                   667 
652 config MACH_REALTEK_RTL                        << 
653         bool "Realtek RTL838x/RTL839x based ma << 
654         select MIPS_GENERIC                    << 
655         select MACH_GENERIC_CORE               << 
656         select DMA_NONCOHERENT                 << 
657         select IRQ_MIPS_CPU                    << 
658         select CSRC_R4K                        << 
659         select CEVT_R4K                        << 
660         select SYS_HAS_CPU_MIPS32_R1           << 
661         select SYS_HAS_CPU_MIPS32_R2           << 
662         select SYS_SUPPORTS_BIG_ENDIAN         << 
663         select SYS_SUPPORTS_32BIT_KERNEL       << 
664         select SYS_SUPPORTS_MIPS16             << 
665         select SYS_SUPPORTS_MULTITHREADING     << 
666         select SYS_SUPPORTS_VPE_LOADER         << 
667         select BOOT_RAW                        << 
668         select PINCTRL                         << 
669         select USE_OF                          << 
670         select REALTEK_OTTO_TIMER              << 
671                                                << 
672 config SGI_IP22                                   668 config SGI_IP22
673         bool "SGI IP22 (Indy/Indigo2)"            669         bool "SGI IP22 (Indy/Indigo2)"
674         select ARC_MEMORY                         670         select ARC_MEMORY
675         select ARC_PROMLIB                        671         select ARC_PROMLIB
676         select FW_ARC                             672         select FW_ARC
677         select FW_ARC32                           673         select FW_ARC32
678         select ARCH_MIGHT_HAVE_PC_SERIO           674         select ARCH_MIGHT_HAVE_PC_SERIO
679         select BOOT_ELF32                         675         select BOOT_ELF32
680         select CEVT_R4K                           676         select CEVT_R4K
681         select CSRC_R4K                           677         select CSRC_R4K
682         select DEFAULT_SGI_PARTITION              678         select DEFAULT_SGI_PARTITION
683         select DMA_NONCOHERENT                    679         select DMA_NONCOHERENT
684         select HAVE_EISA                          680         select HAVE_EISA
685         select I8253                              681         select I8253
686         select I8259                              682         select I8259
687         select IP22_CPU_SCACHE                    683         select IP22_CPU_SCACHE
688         select IRQ_MIPS_CPU                       684         select IRQ_MIPS_CPU
689         select GENERIC_ISA_DMA_SUPPORT_BROKEN     685         select GENERIC_ISA_DMA_SUPPORT_BROKEN
690         select SGI_HAS_I8042                      686         select SGI_HAS_I8042
691         select SGI_HAS_INDYDOG                    687         select SGI_HAS_INDYDOG
692         select SGI_HAS_HAL2                       688         select SGI_HAS_HAL2
693         select SGI_HAS_SEEQ                       689         select SGI_HAS_SEEQ
694         select SGI_HAS_WD93                       690         select SGI_HAS_WD93
695         select SGI_HAS_ZILOG                      691         select SGI_HAS_ZILOG
696         select SWAP_IO_SPACE                      692         select SWAP_IO_SPACE
697         select SYS_HAS_CPU_R4X00                  693         select SYS_HAS_CPU_R4X00
698         select SYS_HAS_CPU_R5000                  694         select SYS_HAS_CPU_R5000
699         select SYS_HAS_EARLY_PRINTK               695         select SYS_HAS_EARLY_PRINTK
700         select SYS_SUPPORTS_32BIT_KERNEL          696         select SYS_SUPPORTS_32BIT_KERNEL
701         select SYS_SUPPORTS_64BIT_KERNEL          697         select SYS_SUPPORTS_64BIT_KERNEL
702         select SYS_SUPPORTS_BIG_ENDIAN            698         select SYS_SUPPORTS_BIG_ENDIAN
703         select WAR_R4600_V1_INDEX_ICACHEOP     << 
704         select WAR_R4600_V1_HIT_CACHEOP        << 
705         select WAR_R4600_V2_HIT_CACHEOP        << 
706         select MIPS_L1_CACHE_SHIFT_7              699         select MIPS_L1_CACHE_SHIFT_7
707         help                                      700         help
708           This are the SGI Indy, Challenge S a    701           This are the SGI Indy, Challenge S and Indigo2, as well as certain
709           OEM variants like the Tandem CMN B00    702           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710           that runs on these, say Y here.         703           that runs on these, say Y here.
711                                                   704 
712 config SGI_IP27                                   705 config SGI_IP27
713         bool "SGI IP27 (Origin200/2000)"          706         bool "SGI IP27 (Origin200/2000)"
714         select ARCH_HAS_PHYS_TO_DMA               707         select ARCH_HAS_PHYS_TO_DMA
715         select ARCH_SPARSEMEM_ENABLE              708         select ARCH_SPARSEMEM_ENABLE
716         select FW_ARC                             709         select FW_ARC
717         select FW_ARC64                           710         select FW_ARC64
718         select ARC_CMDLINE_ONLY                   711         select ARC_CMDLINE_ONLY
719         select BOOT_ELF64                         712         select BOOT_ELF64
720         select DEFAULT_SGI_PARTITION              713         select DEFAULT_SGI_PARTITION
721         select FORCE_PCI                       << 
722         select SYS_HAS_EARLY_PRINTK               714         select SYS_HAS_EARLY_PRINTK
723         select HAVE_PCI                           715         select HAVE_PCI
724         select IRQ_MIPS_CPU                       716         select IRQ_MIPS_CPU
725         select IRQ_DOMAIN_HIERARCHY               717         select IRQ_DOMAIN_HIERARCHY
726         select NR_CPUS_DEFAULT_64                 718         select NR_CPUS_DEFAULT_64
727         select PCI_DRIVERS_GENERIC                719         select PCI_DRIVERS_GENERIC
728         select PCI_XTALK_BRIDGE                   720         select PCI_XTALK_BRIDGE
729         select SYS_HAS_CPU_R10000                 721         select SYS_HAS_CPU_R10000
730         select SYS_SUPPORTS_64BIT_KERNEL          722         select SYS_SUPPORTS_64BIT_KERNEL
731         select SYS_SUPPORTS_BIG_ENDIAN            723         select SYS_SUPPORTS_BIG_ENDIAN
732         select SYS_SUPPORTS_NUMA                  724         select SYS_SUPPORTS_NUMA
733         select SYS_SUPPORTS_SMP                   725         select SYS_SUPPORTS_SMP
734         select WAR_R10000_LLSC                 << 
735         select MIPS_L1_CACHE_SHIFT_7              726         select MIPS_L1_CACHE_SHIFT_7
736         select NUMA                            << 
737         help                                      727         help
738           This are the SGI Origin 200, Origin     728           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739           workstations.  To compile a Linux ke    729           workstations.  To compile a Linux kernel that runs on these, say Y
740           here.                                   730           here.
741                                                   731 
742 config SGI_IP28                                   732 config SGI_IP28
743         bool "SGI IP28 (Indigo2 R10k)"            733         bool "SGI IP28 (Indigo2 R10k)"
744         select ARC_MEMORY                         734         select ARC_MEMORY
745         select ARC_PROMLIB                        735         select ARC_PROMLIB
746         select FW_ARC                             736         select FW_ARC
747         select FW_ARC64                           737         select FW_ARC64
748         select ARCH_MIGHT_HAVE_PC_SERIO           738         select ARCH_MIGHT_HAVE_PC_SERIO
749         select BOOT_ELF64                         739         select BOOT_ELF64
750         select CEVT_R4K                           740         select CEVT_R4K
751         select CSRC_R4K                           741         select CSRC_R4K
752         select DEFAULT_SGI_PARTITION              742         select DEFAULT_SGI_PARTITION
753         select DMA_NONCOHERENT                    743         select DMA_NONCOHERENT
754         select GENERIC_ISA_DMA_SUPPORT_BROKEN     744         select GENERIC_ISA_DMA_SUPPORT_BROKEN
755         select IRQ_MIPS_CPU                       745         select IRQ_MIPS_CPU
756         select HAVE_EISA                          746         select HAVE_EISA
757         select I8253                              747         select I8253
758         select I8259                              748         select I8259
759         select SGI_HAS_I8042                      749         select SGI_HAS_I8042
760         select SGI_HAS_INDYDOG                    750         select SGI_HAS_INDYDOG
761         select SGI_HAS_HAL2                       751         select SGI_HAS_HAL2
762         select SGI_HAS_SEEQ                       752         select SGI_HAS_SEEQ
763         select SGI_HAS_WD93                       753         select SGI_HAS_WD93
764         select SGI_HAS_ZILOG                      754         select SGI_HAS_ZILOG
765         select SWAP_IO_SPACE                      755         select SWAP_IO_SPACE
766         select SYS_HAS_CPU_R10000                 756         select SYS_HAS_CPU_R10000
767         select SYS_HAS_EARLY_PRINTK               757         select SYS_HAS_EARLY_PRINTK
768         select SYS_SUPPORTS_64BIT_KERNEL          758         select SYS_SUPPORTS_64BIT_KERNEL
769         select SYS_SUPPORTS_BIG_ENDIAN            759         select SYS_SUPPORTS_BIG_ENDIAN
770         select WAR_R10000_LLSC                 << 
771         select MIPS_L1_CACHE_SHIFT_7              760         select MIPS_L1_CACHE_SHIFT_7
772         help                                      761         help
773           This is the SGI Indigo2 with R10000     762           This is the SGI Indigo2 with R10000 processor.  To compile a Linux
774           kernel that runs on these, say Y her    763           kernel that runs on these, say Y here.
775                                                   764 
776 config SGI_IP30                                   765 config SGI_IP30
777         bool "SGI IP30 (Octane/Octane2)"          766         bool "SGI IP30 (Octane/Octane2)"
778         select ARCH_HAS_PHYS_TO_DMA               767         select ARCH_HAS_PHYS_TO_DMA
779         select FW_ARC                             768         select FW_ARC
780         select FW_ARC64                           769         select FW_ARC64
781         select BOOT_ELF64                         770         select BOOT_ELF64
782         select CEVT_R4K                           771         select CEVT_R4K
783         select CSRC_R4K                           772         select CSRC_R4K
784         select FORCE_PCI                       << 
785         select SYNC_R4K if SMP                    773         select SYNC_R4K if SMP
786         select ZONE_DMA32                         774         select ZONE_DMA32
787         select HAVE_PCI                           775         select HAVE_PCI
788         select IRQ_MIPS_CPU                       776         select IRQ_MIPS_CPU
789         select IRQ_DOMAIN_HIERARCHY               777         select IRQ_DOMAIN_HIERARCHY
                                                   >> 778         select NR_CPUS_DEFAULT_2
790         select PCI_DRIVERS_GENERIC                779         select PCI_DRIVERS_GENERIC
791         select PCI_XTALK_BRIDGE                   780         select PCI_XTALK_BRIDGE
792         select SYS_HAS_EARLY_PRINTK               781         select SYS_HAS_EARLY_PRINTK
793         select SYS_HAS_CPU_R10000                 782         select SYS_HAS_CPU_R10000
794         select SYS_SUPPORTS_64BIT_KERNEL          783         select SYS_SUPPORTS_64BIT_KERNEL
795         select SYS_SUPPORTS_BIG_ENDIAN            784         select SYS_SUPPORTS_BIG_ENDIAN
796         select SYS_SUPPORTS_SMP                   785         select SYS_SUPPORTS_SMP
797         select WAR_R10000_LLSC                 << 
798         select MIPS_L1_CACHE_SHIFT_7              786         select MIPS_L1_CACHE_SHIFT_7
799         select ARC_MEMORY                         787         select ARC_MEMORY
800         help                                      788         help
801           These are the SGI Octane and Octane2    789           These are the SGI Octane and Octane2 graphics workstations.  To
802           compile a Linux kernel that runs on     790           compile a Linux kernel that runs on these, say Y here.
803                                                   791 
804 config SGI_IP32                                   792 config SGI_IP32
805         bool "SGI IP32 (O2)"                      793         bool "SGI IP32 (O2)"
806         select ARC_MEMORY                         794         select ARC_MEMORY
807         select ARC_PROMLIB                        795         select ARC_PROMLIB
808         select ARCH_HAS_PHYS_TO_DMA               796         select ARCH_HAS_PHYS_TO_DMA
809         select FW_ARC                             797         select FW_ARC
810         select FW_ARC32                           798         select FW_ARC32
811         select BOOT_ELF32                         799         select BOOT_ELF32
812         select CEVT_R4K                           800         select CEVT_R4K
813         select CSRC_R4K                           801         select CSRC_R4K
814         select DMA_NONCOHERENT                    802         select DMA_NONCOHERENT
815         select HAVE_PCI                           803         select HAVE_PCI
816         select IRQ_MIPS_CPU                       804         select IRQ_MIPS_CPU
817         select R5000_CPU_SCACHE                   805         select R5000_CPU_SCACHE
818         select RM7000_CPU_SCACHE                  806         select RM7000_CPU_SCACHE
819         select SYS_HAS_CPU_R5000                  807         select SYS_HAS_CPU_R5000
820         select SYS_HAS_CPU_R10000 if BROKEN       808         select SYS_HAS_CPU_R10000 if BROKEN
821         select SYS_HAS_CPU_RM7000                 809         select SYS_HAS_CPU_RM7000
822         select SYS_HAS_CPU_NEVADA                 810         select SYS_HAS_CPU_NEVADA
823         select SYS_SUPPORTS_64BIT_KERNEL          811         select SYS_SUPPORTS_64BIT_KERNEL
824         select SYS_SUPPORTS_BIG_ENDIAN            812         select SYS_SUPPORTS_BIG_ENDIAN
825         select WAR_ICACHE_REFILLS              << 
826         help                                      813         help
827           If you want this kernel to run on SG    814           If you want this kernel to run on SGI O2 workstation, say Y here.
828                                                   815 
                                                   >> 816 config SIBYTE_CRHINE
                                                   >> 817         bool "Sibyte BCM91120C-CRhine"
                                                   >> 818         select BOOT_ELF32
                                                   >> 819         select SIBYTE_BCM1120
                                                   >> 820         select SWAP_IO_SPACE
                                                   >> 821         select SYS_HAS_CPU_SB1
                                                   >> 822         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 823         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 824 
                                                   >> 825 config SIBYTE_CARMEL
                                                   >> 826         bool "Sibyte BCM91120x-Carmel"
                                                   >> 827         select BOOT_ELF32
                                                   >> 828         select SIBYTE_BCM1120
                                                   >> 829         select SWAP_IO_SPACE
                                                   >> 830         select SYS_HAS_CPU_SB1
                                                   >> 831         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 832         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 833 
829 config SIBYTE_CRHONE                              834 config SIBYTE_CRHONE
830         bool "Sibyte BCM91125C-CRhone"            835         bool "Sibyte BCM91125C-CRhone"
831         select BOOT_ELF32                         836         select BOOT_ELF32
832         select SIBYTE_BCM1125                     837         select SIBYTE_BCM1125
833         select SWAP_IO_SPACE                      838         select SWAP_IO_SPACE
834         select SYS_HAS_CPU_SB1                    839         select SYS_HAS_CPU_SB1
835         select SYS_SUPPORTS_BIG_ENDIAN            840         select SYS_SUPPORTS_BIG_ENDIAN
836         select SYS_SUPPORTS_HIGHMEM               841         select SYS_SUPPORTS_HIGHMEM
837         select SYS_SUPPORTS_LITTLE_ENDIAN         842         select SYS_SUPPORTS_LITTLE_ENDIAN
838                                                   843 
839 config SIBYTE_RHONE                               844 config SIBYTE_RHONE
840         bool "Sibyte BCM91125E-Rhone"             845         bool "Sibyte BCM91125E-Rhone"
841         select BOOT_ELF32                         846         select BOOT_ELF32
842         select SIBYTE_SB1250                   !! 847         select SIBYTE_BCM1125H
843         select SWAP_IO_SPACE                      848         select SWAP_IO_SPACE
844         select SYS_HAS_CPU_SB1                    849         select SYS_HAS_CPU_SB1
845         select SYS_SUPPORTS_BIG_ENDIAN            850         select SYS_SUPPORTS_BIG_ENDIAN
846         select SYS_SUPPORTS_LITTLE_ENDIAN         851         select SYS_SUPPORTS_LITTLE_ENDIAN
847                                                   852 
848 config SIBYTE_SWARM                               853 config SIBYTE_SWARM
849         bool "Sibyte BCM91250A-SWARM"             854         bool "Sibyte BCM91250A-SWARM"
850         select BOOT_ELF32                         855         select BOOT_ELF32
851         select HAVE_PATA_PLATFORM                 856         select HAVE_PATA_PLATFORM
852         select SIBYTE_SB1250                      857         select SIBYTE_SB1250
853         select SWAP_IO_SPACE                      858         select SWAP_IO_SPACE
854         select SYS_HAS_CPU_SB1                    859         select SYS_HAS_CPU_SB1
855         select SYS_SUPPORTS_BIG_ENDIAN            860         select SYS_SUPPORTS_BIG_ENDIAN
856         select SYS_SUPPORTS_HIGHMEM               861         select SYS_SUPPORTS_HIGHMEM
857         select SYS_SUPPORTS_LITTLE_ENDIAN         862         select SYS_SUPPORTS_LITTLE_ENDIAN
858         select ZONE_DMA32 if 64BIT                863         select ZONE_DMA32 if 64BIT
859         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    864         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860                                                   865 
861 config SIBYTE_LITTLESUR                           866 config SIBYTE_LITTLESUR
862         bool "Sibyte BCM91250C2-LittleSur"        867         bool "Sibyte BCM91250C2-LittleSur"
863         select BOOT_ELF32                         868         select BOOT_ELF32
864         select HAVE_PATA_PLATFORM                 869         select HAVE_PATA_PLATFORM
865         select SIBYTE_SB1250                      870         select SIBYTE_SB1250
866         select SWAP_IO_SPACE                      871         select SWAP_IO_SPACE
867         select SYS_HAS_CPU_SB1                    872         select SYS_HAS_CPU_SB1
868         select SYS_SUPPORTS_BIG_ENDIAN            873         select SYS_SUPPORTS_BIG_ENDIAN
869         select SYS_SUPPORTS_HIGHMEM               874         select SYS_SUPPORTS_HIGHMEM
870         select SYS_SUPPORTS_LITTLE_ENDIAN         875         select SYS_SUPPORTS_LITTLE_ENDIAN
871         select ZONE_DMA32 if 64BIT                876         select ZONE_DMA32 if 64BIT
872                                                   877 
873 config SIBYTE_SENTOSA                             878 config SIBYTE_SENTOSA
874         bool "Sibyte BCM91250E-Sentosa"           879         bool "Sibyte BCM91250E-Sentosa"
875         select BOOT_ELF32                         880         select BOOT_ELF32
876         select SIBYTE_SB1250                      881         select SIBYTE_SB1250
877         select SWAP_IO_SPACE                      882         select SWAP_IO_SPACE
878         select SYS_HAS_CPU_SB1                    883         select SYS_HAS_CPU_SB1
879         select SYS_SUPPORTS_BIG_ENDIAN            884         select SYS_SUPPORTS_BIG_ENDIAN
880         select SYS_SUPPORTS_LITTLE_ENDIAN         885         select SYS_SUPPORTS_LITTLE_ENDIAN
881         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    886         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882                                                   887 
883 config SIBYTE_BIGSUR                              888 config SIBYTE_BIGSUR
884         bool "Sibyte BCM91480B-BigSur"            889         bool "Sibyte BCM91480B-BigSur"
885         select BOOT_ELF32                         890         select BOOT_ELF32
886         select NR_CPUS_DEFAULT_4                  891         select NR_CPUS_DEFAULT_4
887         select SIBYTE_BCM1x80                     892         select SIBYTE_BCM1x80
888         select SWAP_IO_SPACE                      893         select SWAP_IO_SPACE
889         select SYS_HAS_CPU_SB1                    894         select SYS_HAS_CPU_SB1
890         select SYS_SUPPORTS_BIG_ENDIAN            895         select SYS_SUPPORTS_BIG_ENDIAN
891         select SYS_SUPPORTS_HIGHMEM               896         select SYS_SUPPORTS_HIGHMEM
892         select SYS_SUPPORTS_LITTLE_ENDIAN         897         select SYS_SUPPORTS_LITTLE_ENDIAN
893         select ZONE_DMA32 if 64BIT                898         select ZONE_DMA32 if 64BIT
894         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    899         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895                                                   900 
896 config SNI_RM                                     901 config SNI_RM
897         bool "SNI RM200/300/400"                  902         bool "SNI RM200/300/400"
898         select ARC_MEMORY                         903         select ARC_MEMORY
899         select ARC_PROMLIB                        904         select ARC_PROMLIB
900         select FW_ARC if CPU_LITTLE_ENDIAN        905         select FW_ARC if CPU_LITTLE_ENDIAN
901         select FW_ARC32 if CPU_LITTLE_ENDIAN      906         select FW_ARC32 if CPU_LITTLE_ENDIAN
902         select FW_SNIPROM if CPU_BIG_ENDIAN       907         select FW_SNIPROM if CPU_BIG_ENDIAN
903         select ARCH_MAY_HAVE_PC_FDC               908         select ARCH_MAY_HAVE_PC_FDC
904         select ARCH_MIGHT_HAVE_PC_PARPORT         909         select ARCH_MIGHT_HAVE_PC_PARPORT
905         select ARCH_MIGHT_HAVE_PC_SERIO           910         select ARCH_MIGHT_HAVE_PC_SERIO
906         select BOOT_ELF32                         911         select BOOT_ELF32
907         select CEVT_R4K                           912         select CEVT_R4K
908         select CSRC_R4K                           913         select CSRC_R4K
909         select DEFAULT_SGI_PARTITION if CPU_BI    914         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910         select DMA_NONCOHERENT                    915         select DMA_NONCOHERENT
911         select GENERIC_ISA_DMA                    916         select GENERIC_ISA_DMA
912         select HAVE_EISA                          917         select HAVE_EISA
913         select HAVE_PCSPKR_PLATFORM               918         select HAVE_PCSPKR_PLATFORM
914         select HAVE_PCI                           919         select HAVE_PCI
915         select IRQ_MIPS_CPU                       920         select IRQ_MIPS_CPU
916         select I8253                              921         select I8253
917         select I8259                              922         select I8259
918         select ISA                                923         select ISA
919         select MIPS_L1_CACHE_SHIFT_6           << 
920         select SWAP_IO_SPACE if CPU_BIG_ENDIAN    924         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921         select SYS_HAS_CPU_R4X00                  925         select SYS_HAS_CPU_R4X00
922         select SYS_HAS_CPU_R5000                  926         select SYS_HAS_CPU_R5000
923         select SYS_HAS_CPU_R10000                 927         select SYS_HAS_CPU_R10000
924         select R5000_CPU_SCACHE                   928         select R5000_CPU_SCACHE
925         select SYS_HAS_EARLY_PRINTK               929         select SYS_HAS_EARLY_PRINTK
926         select SYS_SUPPORTS_32BIT_KERNEL          930         select SYS_SUPPORTS_32BIT_KERNEL
927         select SYS_SUPPORTS_64BIT_KERNEL          931         select SYS_SUPPORTS_64BIT_KERNEL
928         select SYS_SUPPORTS_BIG_ENDIAN            932         select SYS_SUPPORTS_BIG_ENDIAN
929         select SYS_SUPPORTS_HIGHMEM               933         select SYS_SUPPORTS_HIGHMEM
930         select SYS_SUPPORTS_LITTLE_ENDIAN         934         select SYS_SUPPORTS_LITTLE_ENDIAN
931         select WAR_R4600_V2_HIT_CACHEOP        << 
932         help                                      935         help
933           The SNI RM200/300/400 are MIPS-based    936           The SNI RM200/300/400 are MIPS-based machines manufactured by
934           Siemens Nixdorf Informationssysteme     937           Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935           Technology and now in turn merged wi    938           Technology and now in turn merged with Fujitsu.  Say Y here to
936           support this machine type.              939           support this machine type.
937                                                   940 
                                                   >> 941 config MACH_TX39XX
                                                   >> 942         bool "Toshiba TX39 series based machines"
                                                   >> 943 
938 config MACH_TX49XX                                944 config MACH_TX49XX
939         bool "Toshiba TX49 series based machin    945         bool "Toshiba TX49 series based machines"
940         select WAR_TX49XX_ICACHE_INDEX_INV     << 
941                                                   946 
942 config MIKROTIK_RB532                             947 config MIKROTIK_RB532
943         bool "Mikrotik RB532 boards"              948         bool "Mikrotik RB532 boards"
944         select CEVT_R4K                           949         select CEVT_R4K
945         select CSRC_R4K                           950         select CSRC_R4K
946         select DMA_NONCOHERENT                    951         select DMA_NONCOHERENT
947         select HAVE_PCI                           952         select HAVE_PCI
948         select IRQ_MIPS_CPU                       953         select IRQ_MIPS_CPU
949         select SYS_HAS_CPU_MIPS32_R1              954         select SYS_HAS_CPU_MIPS32_R1
950         select SYS_SUPPORTS_32BIT_KERNEL          955         select SYS_SUPPORTS_32BIT_KERNEL
951         select SYS_SUPPORTS_LITTLE_ENDIAN         956         select SYS_SUPPORTS_LITTLE_ENDIAN
952         select SWAP_IO_SPACE                      957         select SWAP_IO_SPACE
953         select BOOT_RAW                           958         select BOOT_RAW
954         select GPIOLIB                            959         select GPIOLIB
955         select MIPS_L1_CACHE_SHIFT_4              960         select MIPS_L1_CACHE_SHIFT_4
956         help                                      961         help
957           Support the Mikrotik(tm) RouterBoard    962           Support the Mikrotik(tm) RouterBoard 532 series,
958           based on the IDT RC32434 SoC.           963           based on the IDT RC32434 SoC.
959                                                   964 
960 config CAVIUM_OCTEON_SOC                          965 config CAVIUM_OCTEON_SOC
961         bool "Cavium Networks Octeon SoC based    966         bool "Cavium Networks Octeon SoC based boards"
962         select CEVT_R4K                           967         select CEVT_R4K
963         select ARCH_HAS_PHYS_TO_DMA               968         select ARCH_HAS_PHYS_TO_DMA
964         select HAVE_RAPIDIO                       969         select HAVE_RAPIDIO
965         select PHYS_ADDR_T_64BIT                  970         select PHYS_ADDR_T_64BIT
966         select SYS_SUPPORTS_64BIT_KERNEL          971         select SYS_SUPPORTS_64BIT_KERNEL
967         select SYS_SUPPORTS_BIG_ENDIAN            972         select SYS_SUPPORTS_BIG_ENDIAN
968         select EDAC_SUPPORT                       973         select EDAC_SUPPORT
969         select EDAC_ATOMIC_SCRUB                  974         select EDAC_ATOMIC_SCRUB
970         select SYS_SUPPORTS_LITTLE_ENDIAN         975         select SYS_SUPPORTS_LITTLE_ENDIAN
971         select SYS_SUPPORTS_HOTPLUG_CPU if CPU    976         select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972         select SYS_HAS_EARLY_PRINTK               977         select SYS_HAS_EARLY_PRINTK
973         select SYS_HAS_CPU_CAVIUM_OCTEON          978         select SYS_HAS_CPU_CAVIUM_OCTEON
974         select HAVE_PCI                           979         select HAVE_PCI
975         select HAVE_PLAT_DELAY                 << 
976         select HAVE_PLAT_FW_INIT_CMDLINE       << 
977         select HAVE_PLAT_MEMCPY                << 
978         select ZONE_DMA32                         980         select ZONE_DMA32
                                                   >> 981         select HOLES_IN_ZONE
979         select GPIOLIB                            982         select GPIOLIB
                                                   >> 983         select LIBFDT
980         select USE_OF                             984         select USE_OF
981         select ARCH_SPARSEMEM_ENABLE              985         select ARCH_SPARSEMEM_ENABLE
982         select SYS_SUPPORTS_SMP                   986         select SYS_SUPPORTS_SMP
983         select NR_CPUS_DEFAULT_64                 987         select NR_CPUS_DEFAULT_64
984         select MIPS_NR_CPU_NR_MAP_1024            988         select MIPS_NR_CPU_NR_MAP_1024
985         select BUILTIN_DTB                        989         select BUILTIN_DTB
986         select MTD                             << 
987         select MTD_COMPLEX_MAPPINGS               990         select MTD_COMPLEX_MAPPINGS
988         select SWIOTLB                            991         select SWIOTLB
989         select SYS_SUPPORTS_RELOCATABLE           992         select SYS_SUPPORTS_RELOCATABLE
990         help                                      993         help
991           This option supports all of the Octe    994           This option supports all of the Octeon reference boards from Cavium
992           Networks. It builds a kernel that dy    995           Networks. It builds a kernel that dynamically determines the Octeon
993           CPU type and supports all known boar    996           CPU type and supports all known board reference implementations.
994           Some of the supported boards are:       997           Some of the supported boards are:
995                 EBT3000                           998                 EBT3000
996                 EBH3000                           999                 EBH3000
997                 EBH3100                           1000                 EBH3100
998                 Thunder                           1001                 Thunder
999                 Kodama                            1002                 Kodama
1000                 Hikari                           1003                 Hikari
1001           Say Y here for most Octeon referenc    1004           Say Y here for most Octeon reference boards.
1002                                                  1005 
1003 endchoice                                     !! 1006 config NLM_XLR_BOARD
                                                   >> 1007         bool "Netlogic XLR/XLS based systems"
                                                   >> 1008         select BOOT_ELF32
                                                   >> 1009         select NLM_COMMON
                                                   >> 1010         select SYS_HAS_CPU_XLR
                                                   >> 1011         select SYS_SUPPORTS_SMP
                                                   >> 1012         select HAVE_PCI
                                                   >> 1013         select SWAP_IO_SPACE
                                                   >> 1014         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1015         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 1016         select PHYS_ADDR_T_64BIT
                                                   >> 1017         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1018         select SYS_SUPPORTS_HIGHMEM
                                                   >> 1019         select NR_CPUS_DEFAULT_32
                                                   >> 1020         select CEVT_R4K
                                                   >> 1021         select CSRC_R4K
                                                   >> 1022         select IRQ_MIPS_CPU
                                                   >> 1023         select ZONE_DMA32 if 64BIT
                                                   >> 1024         select SYNC_R4K
                                                   >> 1025         select SYS_HAS_EARLY_PRINTK
                                                   >> 1026         select SYS_SUPPORTS_ZBOOT
                                                   >> 1027         select SYS_SUPPORTS_ZBOOT_UART16550
                                                   >> 1028         help
                                                   >> 1029           Support for systems based on Netlogic XLR and XLS processors.
                                                   >> 1030           Say Y here if you have a XLR or XLS based board.
1004                                                  1031 
1005 config FIT_IMAGE_FDT_EPM5                     !! 1032 config NLM_XLP_BOARD
1006         bool "Include FDT for Mobileye EyeQ5  !! 1033         bool "Netlogic XLP based systems"
1007         depends on MACH_EYEQ5                 !! 1034         select BOOT_ELF32
1008         default n                             !! 1035         select NLM_COMMON
                                                   >> 1036         select SYS_HAS_CPU_XLP
                                                   >> 1037         select SYS_SUPPORTS_SMP
                                                   >> 1038         select HAVE_PCI
                                                   >> 1039         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1040         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 1041         select PHYS_ADDR_T_64BIT
                                                   >> 1042         select GPIOLIB
                                                   >> 1043         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1044         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 1045         select SYS_SUPPORTS_HIGHMEM
                                                   >> 1046         select NR_CPUS_DEFAULT_32
                                                   >> 1047         select CEVT_R4K
                                                   >> 1048         select CSRC_R4K
                                                   >> 1049         select IRQ_MIPS_CPU
                                                   >> 1050         select ZONE_DMA32 if 64BIT
                                                   >> 1051         select SYNC_R4K
                                                   >> 1052         select SYS_HAS_EARLY_PRINTK
                                                   >> 1053         select USE_OF
                                                   >> 1054         select SYS_SUPPORTS_ZBOOT
                                                   >> 1055         select SYS_SUPPORTS_ZBOOT_UART16550
1009         help                                     1056         help
1010           Enable this to include the FDT for  !! 1057           This board is based on Netlogic XLP Processor.
1011           from Mobileye in the FIT kernel ima !! 1058           Say Y here if you have a XLP based board.
1012           This requires u-boot on the platfor !! 1059 
                                                   >> 1060 config MIPS_PARAVIRT
                                                   >> 1061         bool "Para-Virtualized guest system"
                                                   >> 1062         select CEVT_R4K
                                                   >> 1063         select CSRC_R4K
                                                   >> 1064         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 1065         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1066         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1067         select SYS_SUPPORTS_SMP
                                                   >> 1068         select NR_CPUS_DEFAULT_4
                                                   >> 1069         select SYS_HAS_EARLY_PRINTK
                                                   >> 1070         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 1071         select SYS_HAS_CPU_MIPS64_R2
                                                   >> 1072         select SYS_HAS_CPU_CAVIUM_OCTEON
                                                   >> 1073         select HAVE_PCI
                                                   >> 1074         select SWAP_IO_SPACE
                                                   >> 1075         help
                                                   >> 1076           This option supports guest running under ????
                                                   >> 1077 
                                                   >> 1078 endchoice
1013                                                  1079 
1014 source "arch/mips/alchemy/Kconfig"               1080 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig"                 1081 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig"                 1082 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig"               1083 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig"               1084 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig"                 1085 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig"               1086 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig"            << 
1022 source "arch/mips/jazz/Kconfig"                  1087 source "arch/mips/jazz/Kconfig"
                                                   >> 1088 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig"                1089 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig"           !! 1090 source "arch/mips/lasat/Kconfig"
1025 source "arch/mips/pic32/Kconfig"                 1091 source "arch/mips/pic32/Kconfig"
                                                   >> 1092 source "arch/mips/pistachio/Kconfig"
                                                   >> 1093 source "arch/mips/pmcs-msp71xx/Kconfig"
1026 source "arch/mips/ralink/Kconfig"                1094 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig"              1095 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig"                1096 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig"                  1097 source "arch/mips/txx9/Kconfig"
                                                   >> 1098 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig"         1099 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig"           1100 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig"            1101 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig"            1102 source "arch/mips/loongson64/Kconfig"
                                                   >> 1103 source "arch/mips/netlogic/Kconfig"
                                                   >> 1104 source "arch/mips/paravirt/Kconfig"
1034                                                  1105 
1035 endmenu                                          1106 endmenu
1036                                                  1107 
1037 config GENERIC_HWEIGHT                           1108 config GENERIC_HWEIGHT
1038         bool                                     1109         bool
1039         default y                                1110         default y
1040                                                  1111 
1041 config GENERIC_CALIBRATE_DELAY                   1112 config GENERIC_CALIBRATE_DELAY
1042         bool                                     1113         bool
1043         default y                                1114         default y
1044                                                  1115 
1045 config SCHED_OMIT_FRAME_POINTER                  1116 config SCHED_OMIT_FRAME_POINTER
1046         bool                                     1117         bool
1047         default y                                1118         default y
1048                                                  1119 
1049 #                                                1120 #
1050 # Select some configuration options automatic    1121 # Select some configuration options automatically based on user selections.
1051 #                                                1122 #
1052 config FW_ARC                                    1123 config FW_ARC
1053         bool                                     1124         bool
1054                                                  1125 
1055 config ARCH_MAY_HAVE_PC_FDC                      1126 config ARCH_MAY_HAVE_PC_FDC
1056         bool                                     1127         bool
1057                                                  1128 
1058 config BOOT_RAW                                  1129 config BOOT_RAW
1059         bool                                     1130         bool
1060                                                  1131 
1061 config CEVT_BCM1480                              1132 config CEVT_BCM1480
1062         bool                                     1133         bool
1063                                                  1134 
1064 config CEVT_DS1287                               1135 config CEVT_DS1287
1065         bool                                     1136         bool
1066                                                  1137 
1067 config CEVT_GT641XX                              1138 config CEVT_GT641XX
1068         bool                                     1139         bool
1069                                                  1140 
1070 config CEVT_R4K                                  1141 config CEVT_R4K
1071         bool                                     1142         bool
1072                                                  1143 
1073 config CEVT_SB1250                               1144 config CEVT_SB1250
1074         bool                                     1145         bool
1075                                                  1146 
1076 config CEVT_TXX9                                 1147 config CEVT_TXX9
1077         bool                                     1148         bool
1078                                                  1149 
1079 config CSRC_BCM1480                              1150 config CSRC_BCM1480
1080         bool                                     1151         bool
1081                                                  1152 
1082 config CSRC_IOASIC                               1153 config CSRC_IOASIC
1083         bool                                     1154         bool
1084                                                  1155 
1085 config CSRC_R4K                                  1156 config CSRC_R4K
1086         select CLOCKSOURCE_WATCHDOG if CPU_FR << 
1087         select HAVE_UNSTABLE_SCHED_CLOCK if S << 
1088         bool                                     1157         bool
1089                                                  1158 
1090 config CSRC_SB1250                               1159 config CSRC_SB1250
1091         bool                                     1160         bool
1092                                                  1161 
1093 config MIPS_CLOCK_VSYSCALL                       1162 config MIPS_CLOCK_VSYSCALL
1094         def_bool CSRC_R4K || CLKSRC_MIPS_GIC     1163         def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095                                                  1164 
1096 config GPIO_TXX9                                 1165 config GPIO_TXX9
1097         select GPIOLIB                           1166         select GPIOLIB
1098         bool                                     1167         bool
1099                                                  1168 
1100 config FW_CFE                                    1169 config FW_CFE
1101         bool                                     1170         bool
1102                                                  1171 
1103 config ARCH_SUPPORTS_UPROBES                     1172 config ARCH_SUPPORTS_UPROBES
1104         def_bool y                            !! 1173         bool
                                                   >> 1174 
                                                   >> 1175 config DMA_MAYBE_COHERENT
                                                   >> 1176         select ARCH_HAS_DMA_COHERENCE_H
                                                   >> 1177         select DMA_NONCOHERENT
                                                   >> 1178         bool
                                                   >> 1179 
                                                   >> 1180 config DMA_PERDEV_COHERENT
                                                   >> 1181         bool
                                                   >> 1182         select ARCH_HAS_SETUP_DMA_OPS
                                                   >> 1183         select DMA_NONCOHERENT
1105                                                  1184 
1106 config DMA_NONCOHERENT                           1185 config DMA_NONCOHERENT
1107         bool                                     1186         bool
1108         #                                        1187         #
1109         # MIPS allows mixing "slightly differ    1188         # MIPS allows mixing "slightly different" Cacheability and Coherency
1110         # Attribute bits.  It is believed tha    1189         # Attribute bits.  It is believed that the uncached access through
1111         # KSEG1 and the implementation specif    1190         # KSEG1 and the implementation specific "uncached accelerated" used
1112         # by pgprot_writcombine can be mixed,    1191         # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113         # significant advantages.                1192         # significant advantages.
1114         #                                        1193         #
1115         select ARCH_HAS_SETUP_DMA_OPS         << 
1116         select ARCH_HAS_DMA_WRITE_COMBINE        1194         select ARCH_HAS_DMA_WRITE_COMBINE
1117         select ARCH_HAS_DMA_PREP_COHERENT     << 
1118         select ARCH_HAS_SYNC_DMA_FOR_CPU      << 
1119         select ARCH_HAS_SYNC_DMA_FOR_DEVICE      1195         select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120         select ARCH_HAS_DMA_SET_UNCACHED      !! 1196         select ARCH_HAS_UNCACHED_SEGMENT
1121         select DMA_NONCOHERENT_MMAP              1197         select DMA_NONCOHERENT_MMAP
                                                   >> 1198         select DMA_NONCOHERENT_CACHE_SYNC
1122         select NEED_DMA_MAP_STATE                1199         select NEED_DMA_MAP_STATE
1123                                                  1200 
1124 config SYS_HAS_EARLY_PRINTK                      1201 config SYS_HAS_EARLY_PRINTK
1125         bool                                     1202         bool
1126                                                  1203 
1127 config SYS_SUPPORTS_HOTPLUG_CPU                  1204 config SYS_SUPPORTS_HOTPLUG_CPU
1128         bool                                     1205         bool
1129                                                  1206 
1130 config MIPS_BONITO64                             1207 config MIPS_BONITO64
1131         bool                                     1208         bool
1132                                                  1209 
1133 config MIPS_MSC                                  1210 config MIPS_MSC
1134         bool                                     1211         bool
1135                                                  1212 
                                                   >> 1213 config MIPS_NILE4
                                                   >> 1214         bool
                                                   >> 1215 
1136 config SYNC_R4K                                  1216 config SYNC_R4K
1137         bool                                     1217         bool
1138                                                  1218 
                                                   >> 1219 config MIPS_MACHINE
                                                   >> 1220         def_bool n
                                                   >> 1221 
1139 config NO_IOPORT_MAP                             1222 config NO_IOPORT_MAP
1140         def_bool n                               1223         def_bool n
1141                                                  1224 
1142 config GENERIC_CSUM                              1225 config GENERIC_CSUM
1143         def_bool CPU_NO_LOAD_STORE_LR         !! 1226         bool
                                                   >> 1227         default y if !CPU_HAS_LOAD_STORE_LR
1144                                                  1228 
1145 config GENERIC_ISA_DMA                           1229 config GENERIC_ISA_DMA
1146         bool                                     1230         bool
1147         select ZONE_DMA if GENERIC_ISA_DMA_SU    1231         select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148         select ISA_DMA_API                       1232         select ISA_DMA_API
1149                                                  1233 
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN            1234 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151         bool                                     1235         bool
1152         select GENERIC_ISA_DMA                   1236         select GENERIC_ISA_DMA
1153                                                  1237 
1154 config HAVE_PLAT_DELAY                        !! 1238 config ISA_DMA_API
1155         bool                                  << 
1156                                               << 
1157 config HAVE_PLAT_FW_INIT_CMDLINE              << 
1158         bool                                  << 
1159                                               << 
1160 config HAVE_PLAT_MEMCPY                       << 
1161         bool                                     1239         bool
1162                                                  1240 
1163 config ISA_DMA_API                            !! 1241 config HOLES_IN_ZONE
1164         bool                                     1242         bool
1165                                                  1243 
1166 config SYS_SUPPORTS_RELOCATABLE                  1244 config SYS_SUPPORTS_RELOCATABLE
1167         bool                                     1245         bool
1168         help                                     1246         help
1169           Selected if the platform supports r    1247           Selected if the platform supports relocating the kernel.
1170           The platform must provide plat_get_    1248           The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171           to allow access to command line and    1249           to allow access to command line and entropy sources.
1172                                                  1250 
                                                   >> 1251 config MIPS_CBPF_JIT
                                                   >> 1252         def_bool y
                                                   >> 1253         depends on BPF_JIT && HAVE_CBPF_JIT
                                                   >> 1254 
                                                   >> 1255 config MIPS_EBPF_JIT
                                                   >> 1256         def_bool y
                                                   >> 1257         depends on BPF_JIT && HAVE_EBPF_JIT
                                                   >> 1258 
                                                   >> 1259 
1173 #                                                1260 #
1174 # Endianness selection.  Sufficiently obscure    1261 # Endianness selection.  Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl    1262 # answer,so we try hard to limit the available choices.  Also the use of a
1176 # choice statement should be more obvious to     1263 # choice statement should be more obvious to the user.
1177 #                                                1264 #
1178 choice                                           1265 choice
1179         prompt "Endianness selection"            1266         prompt "Endianness selection"
1180         help                                     1267         help
1181           Some MIPS machines can be configure    1268           Some MIPS machines can be configured for either little or big endian
1182           byte order. These modes require dif    1269           byte order. These modes require different kernels and a different
1183           Linux distribution.  In general the    1270           Linux distribution.  In general there is one preferred byteorder for a
1184           particular system but some systems     1271           particular system but some systems are just as commonly used in the
1185           one or the other endianness.           1272           one or the other endianness.
1186                                                  1273 
1187 config CPU_BIG_ENDIAN                            1274 config CPU_BIG_ENDIAN
1188         bool "Big endian"                        1275         bool "Big endian"
1189         depends on SYS_SUPPORTS_BIG_ENDIAN       1276         depends on SYS_SUPPORTS_BIG_ENDIAN
1190                                                  1277 
1191 config CPU_LITTLE_ENDIAN                         1278 config CPU_LITTLE_ENDIAN
1192         bool "Little endian"                     1279         bool "Little endian"
1193         depends on SYS_SUPPORTS_LITTLE_ENDIAN    1280         depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194                                                  1281 
1195 endchoice                                        1282 endchoice
1196                                                  1283 
1197 config EXPORT_UASM                               1284 config EXPORT_UASM
1198         bool                                     1285         bool
1199                                                  1286 
1200 config SYS_SUPPORTS_APM_EMULATION                1287 config SYS_SUPPORTS_APM_EMULATION
1201         bool                                     1288         bool
1202                                                  1289 
1203 config SYS_SUPPORTS_BIG_ENDIAN                   1290 config SYS_SUPPORTS_BIG_ENDIAN
1204         bool                                     1291         bool
1205                                                  1292 
1206 config SYS_SUPPORTS_LITTLE_ENDIAN                1293 config SYS_SUPPORTS_LITTLE_ENDIAN
1207         bool                                     1294         bool
1208                                                  1295 
                                                   >> 1296 config SYS_SUPPORTS_HUGETLBFS
                                                   >> 1297         bool
                                                   >> 1298         depends on CPU_SUPPORTS_HUGEPAGES
                                                   >> 1299         default y
                                                   >> 1300 
1209 config MIPS_HUGE_TLB_SUPPORT                     1301 config MIPS_HUGE_TLB_SUPPORT
1210         def_bool HUGETLB_PAGE || TRANSPARENT_    1302         def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211                                                  1303 
                                                   >> 1304 config IRQ_CPU_RM7K
                                                   >> 1305         bool
                                                   >> 1306 
                                                   >> 1307 config IRQ_MSP_SLP
                                                   >> 1308         bool
                                                   >> 1309 
                                                   >> 1310 config IRQ_MSP_CIC
                                                   >> 1311         bool
                                                   >> 1312 
1212 config IRQ_TXX9                                  1313 config IRQ_TXX9
1213         bool                                     1314         bool
1214                                                  1315 
1215 config IRQ_GT641XX                               1316 config IRQ_GT641XX
1216         bool                                     1317         bool
1217                                                  1318 
1218 config PCI_GT64XXX_PCI0                          1319 config PCI_GT64XXX_PCI0
1219         bool                                     1320         bool
1220                                                  1321 
1221 config PCI_XTALK_BRIDGE                          1322 config PCI_XTALK_BRIDGE
1222         bool                                     1323         bool
1223                                                  1324 
1224 config NO_EXCEPT_FILL                            1325 config NO_EXCEPT_FILL
1225         bool                                     1326         bool
1226                                                  1327 
                                                   >> 1328 config SOC_EMMA2RH
                                                   >> 1329         bool
                                                   >> 1330         select CEVT_R4K
                                                   >> 1331         select CSRC_R4K
                                                   >> 1332         select DMA_NONCOHERENT
                                                   >> 1333         select IRQ_MIPS_CPU
                                                   >> 1334         select SWAP_IO_SPACE
                                                   >> 1335         select SYS_HAS_CPU_R5500
                                                   >> 1336         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1337         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 1338         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1339 
                                                   >> 1340 config SOC_PNX833X
                                                   >> 1341         bool
                                                   >> 1342         select CEVT_R4K
                                                   >> 1343         select CSRC_R4K
                                                   >> 1344         select IRQ_MIPS_CPU
                                                   >> 1345         select DMA_NONCOHERENT
                                                   >> 1346         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 1347         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1348         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 1349         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1350         select SYS_SUPPORTS_MIPS16
                                                   >> 1351         select CPU_MIPSR2_IRQ_VI
                                                   >> 1352 
                                                   >> 1353 config SOC_PNX8335
                                                   >> 1354         bool
                                                   >> 1355         select SOC_PNX833X
                                                   >> 1356 
1227 config MIPS_SPRAM                                1357 config MIPS_SPRAM
1228         bool                                     1358         bool
1229                                                  1359 
1230 config SWAP_IO_SPACE                             1360 config SWAP_IO_SPACE
1231         bool                                     1361         bool
1232                                                  1362 
1233 config SGI_HAS_INDYDOG                           1363 config SGI_HAS_INDYDOG
1234         bool                                     1364         bool
1235                                                  1365 
1236 config SGI_HAS_HAL2                              1366 config SGI_HAS_HAL2
1237         bool                                     1367         bool
1238                                                  1368 
1239 config SGI_HAS_SEEQ                              1369 config SGI_HAS_SEEQ
1240         bool                                     1370         bool
1241                                                  1371 
1242 config SGI_HAS_WD93                              1372 config SGI_HAS_WD93
1243         bool                                     1373         bool
1244                                                  1374 
1245 config SGI_HAS_ZILOG                             1375 config SGI_HAS_ZILOG
1246         bool                                     1376         bool
1247                                                  1377 
1248 config SGI_HAS_I8042                             1378 config SGI_HAS_I8042
1249         bool                                     1379         bool
1250                                                  1380 
1251 config DEFAULT_SGI_PARTITION                     1381 config DEFAULT_SGI_PARTITION
1252         bool                                     1382         bool
1253                                                  1383 
1254 config FW_ARC32                                  1384 config FW_ARC32
1255         bool                                     1385         bool
1256                                                  1386 
1257 config FW_SNIPROM                                1387 config FW_SNIPROM
1258         bool                                     1388         bool
1259                                                  1389 
1260 config BOOT_ELF32                                1390 config BOOT_ELF32
1261         bool                                     1391         bool
1262                                                  1392 
1263 config MIPS_L1_CACHE_SHIFT_4                     1393 config MIPS_L1_CACHE_SHIFT_4
1264         bool                                     1394         bool
1265                                                  1395 
1266 config MIPS_L1_CACHE_SHIFT_5                     1396 config MIPS_L1_CACHE_SHIFT_5
1267         bool                                     1397         bool
1268                                                  1398 
1269 config MIPS_L1_CACHE_SHIFT_6                     1399 config MIPS_L1_CACHE_SHIFT_6
1270         bool                                     1400         bool
1271                                                  1401 
1272 config MIPS_L1_CACHE_SHIFT_7                     1402 config MIPS_L1_CACHE_SHIFT_7
1273         bool                                     1403         bool
1274                                                  1404 
1275 config MIPS_L1_CACHE_SHIFT                       1405 config MIPS_L1_CACHE_SHIFT
1276         int                                      1406         int
1277         default "7" if MIPS_L1_CACHE_SHIFT_7     1407         default "7" if MIPS_L1_CACHE_SHIFT_7
1278         default "6" if MIPS_L1_CACHE_SHIFT_6     1408         default "6" if MIPS_L1_CACHE_SHIFT_6
1279         default "5" if MIPS_L1_CACHE_SHIFT_5     1409         default "5" if MIPS_L1_CACHE_SHIFT_5
1280         default "4" if MIPS_L1_CACHE_SHIFT_4     1410         default "4" if MIPS_L1_CACHE_SHIFT_4
1281         default "5"                              1411         default "5"
1282                                                  1412 
                                                   >> 1413 config HAVE_STD_PC_SERIAL_PORT
                                                   >> 1414         bool
                                                   >> 1415 
1283 config ARC_CMDLINE_ONLY                          1416 config ARC_CMDLINE_ONLY
1284         bool                                     1417         bool
1285                                                  1418 
1286 config ARC_CONSOLE                               1419 config ARC_CONSOLE
1287         bool "ARC console support"               1420         bool "ARC console support"
1288         depends on SGI_IP22 || SGI_IP28 || (S    1421         depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289                                                  1422 
1290 config ARC_MEMORY                                1423 config ARC_MEMORY
1291         bool                                     1424         bool
1292                                                  1425 
1293 config ARC_PROMLIB                               1426 config ARC_PROMLIB
1294         bool                                     1427         bool
1295                                                  1428 
1296 config FW_ARC64                                  1429 config FW_ARC64
1297         bool                                     1430         bool
1298                                                  1431 
1299 config BOOT_ELF64                                1432 config BOOT_ELF64
1300         bool                                     1433         bool
1301                                                  1434 
1302 menu "CPU selection"                             1435 menu "CPU selection"
1303                                                  1436 
1304 choice                                           1437 choice
1305         prompt "CPU type"                        1438         prompt "CPU type"
1306         default CPU_R4X00                        1439         default CPU_R4X00
1307                                                  1440 
1308 config CPU_LOONGSON64                            1441 config CPU_LOONGSON64
1309         bool "Loongson 64-bit CPU"               1442         bool "Loongson 64-bit CPU"
1310         depends on SYS_HAS_CPU_LOONGSON64        1443         depends on SYS_HAS_CPU_LOONGSON64
1311         select ARCH_HAS_PHYS_TO_DMA              1444         select ARCH_HAS_PHYS_TO_DMA
1312         select CPU_MIPSR2                     << 
1313         select CPU_HAS_PREFETCH               << 
1314         select CPU_SUPPORTS_64BIT_KERNEL         1445         select CPU_SUPPORTS_64BIT_KERNEL
1315         select CPU_SUPPORTS_HIGHMEM              1446         select CPU_SUPPORTS_HIGHMEM
1316         select CPU_SUPPORTS_HUGEPAGES            1447         select CPU_SUPPORTS_HUGEPAGES
1317         select CPU_SUPPORTS_MSA                  1448         select CPU_SUPPORTS_MSA
1318         select CPU_SUPPORTS_VZ                !! 1449         select CPU_HAS_LOAD_STORE_LR
1319         select CPU_DIEI_BROKEN if !LOONGSON3_ << 
1320         select CPU_MIPSR2_IRQ_VI              << 
1321         select DMA_NONCOHERENT                << 
1322         select WEAK_ORDERING                     1450         select WEAK_ORDERING
1323         select WEAK_REORDERING_BEYOND_LLSC       1451         select WEAK_REORDERING_BEYOND_LLSC
1324         select MIPS_ASID_BITS_VARIABLE           1452         select MIPS_ASID_BITS_VARIABLE
1325         select MIPS_PGD_C0_CONTEXT               1453         select MIPS_PGD_C0_CONTEXT
1326         select MIPS_L1_CACHE_SHIFT_6             1454         select MIPS_L1_CACHE_SHIFT_6
1327         select MIPS_FP_SUPPORT                << 
1328         select GPIOLIB                           1455         select GPIOLIB
1329         select SWIOTLB                           1456         select SWIOTLB
1330         help                                     1457         help
1331           The Loongson GSx64(GS264/GS464/GS46 !! 1458                 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332           cores implements the MIPS64R2 instr !! 1459                 cores implements the MIPS64R2 instruction set with many extensions,
1333           including most 64-bit Loongson-2 (2 !! 1460                 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334           3B1000, 3B1500, 3A2000, 3A3000 and  !! 1461                 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335           Loongson-2E/2F is not covered here  !! 1462                 Loongson-2E/2F is not covered here and will be removed in future.
                                                   >> 1463 
                                                   >> 1464 config LOONGSON3_ENHANCEMENT
                                                   >> 1465         bool "New Loongson-3 CPU Enhancements"
                                                   >> 1466         default n
                                                   >> 1467         select CPU_MIPSR2
                                                   >> 1468         select CPU_HAS_PREFETCH
                                                   >> 1469         depends on CPU_LOONGSON64
                                                   >> 1470         help
                                                   >> 1471           New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
                                                   >> 1472           R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
                                                   >> 1473           FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
                                                   >> 1474           Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
                                                   >> 1475           Fast TLB refill support, etc.
                                                   >> 1476 
                                                   >> 1477           This option enable those enhancements which are not probed at run
                                                   >> 1478           time. If you want a generic kernel to run on all Loongson 3 machines,
                                                   >> 1479           please say 'N' here. If you want a high-performance kernel to run on
                                                   >> 1480           new Loongson-3 machines only, please say 'Y' here.
                                                   >> 1481 
                                                   >> 1482 config CPU_LOONGSON3_WORKAROUNDS
                                                   >> 1483         bool "Old Loongson-3 LLSC Workarounds"
                                                   >> 1484         default y if SMP
                                                   >> 1485         depends on CPU_LOONGSON64
                                                   >> 1486         help
                                                   >> 1487           Loongson-3 processors have the llsc issues which require workarounds.
                                                   >> 1488           Without workarounds the system may hang unexpectedly.
                                                   >> 1489 
                                                   >> 1490           Newer Loongson-3 will fix these issues and no workarounds are needed.
                                                   >> 1491           The workarounds have no significant side effect on them but may
                                                   >> 1492           decrease the performance of the system so this option should be
                                                   >> 1493           disabled unless the kernel is intended to be run on old systems.
                                                   >> 1494 
                                                   >> 1495           If unsure, please say Y.
1336                                                  1496 
1337 config CPU_LOONGSON2E                            1497 config CPU_LOONGSON2E
1338         bool "Loongson 2E"                       1498         bool "Loongson 2E"
1339         depends on SYS_HAS_CPU_LOONGSON2E        1499         depends on SYS_HAS_CPU_LOONGSON2E
1340         select CPU_LOONGSON2EF                   1500         select CPU_LOONGSON2EF
1341         help                                     1501         help
1342           The Loongson 2E processor implement    1502           The Loongson 2E processor implements the MIPS III instruction set
1343           with many extensions.                  1503           with many extensions.
1344                                                  1504 
1345           It has an internal FPGA northbridge    1505           It has an internal FPGA northbridge, which is compatible to
1346           bonito64.                              1506           bonito64.
1347                                                  1507 
1348 config CPU_LOONGSON2F                            1508 config CPU_LOONGSON2F
1349         bool "Loongson 2F"                       1509         bool "Loongson 2F"
1350         depends on SYS_HAS_CPU_LOONGSON2F        1510         depends on SYS_HAS_CPU_LOONGSON2F
1351         select CPU_LOONGSON2EF                   1511         select CPU_LOONGSON2EF
                                                   >> 1512         select GPIOLIB
1352         help                                     1513         help
1353           The Loongson 2F processor implement    1514           The Loongson 2F processor implements the MIPS III instruction set
1354           with many extensions.                  1515           with many extensions.
1355                                                  1516 
1356           Loongson2F have built-in DDR2 and P    1517           Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357           have a similar programming interfac    1518           have a similar programming interface with FPGA northbridge used in
1358           Loongson2E.                            1519           Loongson2E.
1359                                                  1520 
1360 config CPU_LOONGSON1B                            1521 config CPU_LOONGSON1B
1361         bool "Loongson 1B"                       1522         bool "Loongson 1B"
1362         depends on SYS_HAS_CPU_LOONGSON1B        1523         depends on SYS_HAS_CPU_LOONGSON1B
1363         select CPU_LOONGSON32                    1524         select CPU_LOONGSON32
1364         select LEDS_GPIO_REGISTER                1525         select LEDS_GPIO_REGISTER
1365         help                                     1526         help
1366           The Loongson 1B is a 32-bit SoC, wh    1527           The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367           Release 1 instruction set and part     1528           Release 1 instruction set and part of the MIPS32 Release 2
1368           instruction set.                       1529           instruction set.
1369                                                  1530 
1370 config CPU_LOONGSON1C                            1531 config CPU_LOONGSON1C
1371         bool "Loongson 1C"                       1532         bool "Loongson 1C"
1372         depends on SYS_HAS_CPU_LOONGSON1C        1533         depends on SYS_HAS_CPU_LOONGSON1C
1373         select CPU_LOONGSON32                    1534         select CPU_LOONGSON32
1374         select LEDS_GPIO_REGISTER                1535         select LEDS_GPIO_REGISTER
1375         help                                     1536         help
1376           The Loongson 1C is a 32-bit SoC, wh    1537           The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377           Release 1 instruction set and part     1538           Release 1 instruction set and part of the MIPS32 Release 2
1378           instruction set.                       1539           instruction set.
1379                                                  1540 
1380 config CPU_MIPS32_R1                             1541 config CPU_MIPS32_R1
1381         bool "MIPS32 Release 1"                  1542         bool "MIPS32 Release 1"
1382         depends on SYS_HAS_CPU_MIPS32_R1         1543         depends on SYS_HAS_CPU_MIPS32_R1
1383         select CPU_HAS_PREFETCH                  1544         select CPU_HAS_PREFETCH
                                                   >> 1545         select CPU_HAS_LOAD_STORE_LR
1384         select CPU_SUPPORTS_32BIT_KERNEL         1546         select CPU_SUPPORTS_32BIT_KERNEL
1385         select CPU_SUPPORTS_HIGHMEM              1547         select CPU_SUPPORTS_HIGHMEM
1386         help                                     1548         help
1387           Choose this option to build a kerne    1549           Choose this option to build a kernel for release 1 or later of the
1388           MIPS32 architecture.  Most modern e    1550           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1389           MIPS processor are based on a MIPS3    1551           MIPS processor are based on a MIPS32 processor.  If you know the
1390           specific type of processor in your     1552           specific type of processor in your system, choose those that one
1391           otherwise CPU_MIPS32_R1 is a safe b    1553           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392           Release 2 of the MIPS32 architectur    1554           Release 2 of the MIPS32 architecture is available since several
1393           years so chances are you even have     1555           years so chances are you even have a MIPS32 Release 2 processor
1394           in which case you should choose CPU    1556           in which case you should choose CPU_MIPS32_R2 instead for better
1395           performance.                           1557           performance.
1396                                                  1558 
1397 config CPU_MIPS32_R2                             1559 config CPU_MIPS32_R2
1398         bool "MIPS32 Release 2"                  1560         bool "MIPS32 Release 2"
1399         depends on SYS_HAS_CPU_MIPS32_R2         1561         depends on SYS_HAS_CPU_MIPS32_R2
1400         select CPU_HAS_PREFETCH                  1562         select CPU_HAS_PREFETCH
                                                   >> 1563         select CPU_HAS_LOAD_STORE_LR
1401         select CPU_SUPPORTS_32BIT_KERNEL         1564         select CPU_SUPPORTS_32BIT_KERNEL
1402         select CPU_SUPPORTS_HIGHMEM              1565         select CPU_SUPPORTS_HIGHMEM
1403         select CPU_SUPPORTS_MSA                  1566         select CPU_SUPPORTS_MSA
                                                   >> 1567         select HAVE_KVM
1404         help                                     1568         help
1405           Choose this option to build a kerne    1569           Choose this option to build a kernel for release 2 or later of the
1406           MIPS32 architecture.  Most modern e    1570           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1407           MIPS processor are based on a MIPS3    1571           MIPS processor are based on a MIPS32 processor.  If you know the
1408           specific type of processor in your     1572           specific type of processor in your system, choose those that one
1409           otherwise CPU_MIPS32_R1 is a safe b    1573           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410                                                  1574 
1411 config CPU_MIPS32_R5                          << 
1412         bool "MIPS32 Release 5"               << 
1413         depends on SYS_HAS_CPU_MIPS32_R5      << 
1414         select CPU_HAS_PREFETCH               << 
1415         select CPU_SUPPORTS_32BIT_KERNEL      << 
1416         select CPU_SUPPORTS_HIGHMEM           << 
1417         select CPU_SUPPORTS_MSA               << 
1418         select CPU_SUPPORTS_VZ                << 
1419         select MIPS_O32_FP64_SUPPORT          << 
1420         help                                  << 
1421           Choose this option to build a kerne << 
1422           MIPS32 architecture.  New MIPS proc << 
1423           family, are based on a MIPS32r5 pro << 
1424           processor, you probably need to sel << 
1425                                               << 
1426 config CPU_MIPS32_R6                             1575 config CPU_MIPS32_R6
1427         bool "MIPS32 Release 6"                  1576         bool "MIPS32 Release 6"
1428         depends on SYS_HAS_CPU_MIPS32_R6         1577         depends on SYS_HAS_CPU_MIPS32_R6
1429         select CPU_HAS_PREFETCH                  1578         select CPU_HAS_PREFETCH
1430         select CPU_NO_LOAD_STORE_LR           << 
1431         select CPU_SUPPORTS_32BIT_KERNEL         1579         select CPU_SUPPORTS_32BIT_KERNEL
1432         select CPU_SUPPORTS_HIGHMEM              1580         select CPU_SUPPORTS_HIGHMEM
1433         select CPU_SUPPORTS_MSA                  1581         select CPU_SUPPORTS_MSA
1434         select CPU_SUPPORTS_VZ                !! 1582         select HAVE_KVM
1435         select MIPS_O32_FP64_SUPPORT             1583         select MIPS_O32_FP64_SUPPORT
1436         help                                     1584         help
1437           Choose this option to build a kerne    1585           Choose this option to build a kernel for release 6 or later of the
1438           MIPS32 architecture.  New MIPS proc    1586           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1439           family, are based on a MIPS32r6 pro    1587           family, are based on a MIPS32r6 processor. If you own an older
1440           processor, you probably need to sel    1588           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441                                                  1589 
1442 config CPU_MIPS64_R1                             1590 config CPU_MIPS64_R1
1443         bool "MIPS64 Release 1"                  1591         bool "MIPS64 Release 1"
1444         depends on SYS_HAS_CPU_MIPS64_R1         1592         depends on SYS_HAS_CPU_MIPS64_R1
1445         select CPU_HAS_PREFETCH                  1593         select CPU_HAS_PREFETCH
                                                   >> 1594         select CPU_HAS_LOAD_STORE_LR
1446         select CPU_SUPPORTS_32BIT_KERNEL         1595         select CPU_SUPPORTS_32BIT_KERNEL
1447         select CPU_SUPPORTS_64BIT_KERNEL         1596         select CPU_SUPPORTS_64BIT_KERNEL
1448         select CPU_SUPPORTS_HIGHMEM              1597         select CPU_SUPPORTS_HIGHMEM
1449         select CPU_SUPPORTS_HUGEPAGES            1598         select CPU_SUPPORTS_HUGEPAGES
1450         help                                     1599         help
1451           Choose this option to build a kerne    1600           Choose this option to build a kernel for release 1 or later of the
1452           MIPS64 architecture.  Many modern e    1601           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1453           MIPS processor are based on a MIPS6    1602           MIPS processor are based on a MIPS64 processor.  If you know the
1454           specific type of processor in your     1603           specific type of processor in your system, choose those that one
1455           otherwise CPU_MIPS64_R1 is a safe b    1604           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456           Release 2 of the MIPS64 architectur    1605           Release 2 of the MIPS64 architecture is available since several
1457           years so chances are you even have     1606           years so chances are you even have a MIPS64 Release 2 processor
1458           in which case you should choose CPU    1607           in which case you should choose CPU_MIPS64_R2 instead for better
1459           performance.                           1608           performance.
1460                                                  1609 
1461 config CPU_MIPS64_R2                             1610 config CPU_MIPS64_R2
1462         bool "MIPS64 Release 2"                  1611         bool "MIPS64 Release 2"
1463         depends on SYS_HAS_CPU_MIPS64_R2         1612         depends on SYS_HAS_CPU_MIPS64_R2
1464         select CPU_HAS_PREFETCH                  1613         select CPU_HAS_PREFETCH
                                                   >> 1614         select CPU_HAS_LOAD_STORE_LR
1465         select CPU_SUPPORTS_32BIT_KERNEL         1615         select CPU_SUPPORTS_32BIT_KERNEL
1466         select CPU_SUPPORTS_64BIT_KERNEL         1616         select CPU_SUPPORTS_64BIT_KERNEL
1467         select CPU_SUPPORTS_HIGHMEM              1617         select CPU_SUPPORTS_HIGHMEM
1468         select CPU_SUPPORTS_HUGEPAGES            1618         select CPU_SUPPORTS_HUGEPAGES
1469         select CPU_SUPPORTS_MSA                  1619         select CPU_SUPPORTS_MSA
                                                   >> 1620         select HAVE_KVM
1470         help                                     1621         help
1471           Choose this option to build a kerne    1622           Choose this option to build a kernel for release 2 or later of the
1472           MIPS64 architecture.  Many modern e    1623           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1473           MIPS processor are based on a MIPS6    1624           MIPS processor are based on a MIPS64 processor.  If you know the
1474           specific type of processor in your     1625           specific type of processor in your system, choose those that one
1475           otherwise CPU_MIPS64_R1 is a safe b    1626           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476                                                  1627 
1477 config CPU_MIPS64_R5                          << 
1478         bool "MIPS64 Release 5"               << 
1479         depends on SYS_HAS_CPU_MIPS64_R5      << 
1480         select CPU_HAS_PREFETCH               << 
1481         select CPU_SUPPORTS_32BIT_KERNEL      << 
1482         select CPU_SUPPORTS_64BIT_KERNEL      << 
1483         select CPU_SUPPORTS_HIGHMEM           << 
1484         select CPU_SUPPORTS_HUGEPAGES         << 
1485         select CPU_SUPPORTS_MSA               << 
1486         select MIPS_O32_FP64_SUPPORT if 32BIT << 
1487         select CPU_SUPPORTS_VZ                << 
1488         help                                  << 
1489           Choose this option to build a kerne << 
1490           MIPS64 architecture.  This is a int << 
1491           release partly implementing release << 
1492           any hardware known to be based on t << 
1493                                               << 
1494 config CPU_MIPS64_R6                             1628 config CPU_MIPS64_R6
1495         bool "MIPS64 Release 6"                  1629         bool "MIPS64 Release 6"
1496         depends on SYS_HAS_CPU_MIPS64_R6         1630         depends on SYS_HAS_CPU_MIPS64_R6
1497         select CPU_HAS_PREFETCH                  1631         select CPU_HAS_PREFETCH
1498         select CPU_NO_LOAD_STORE_LR           << 
1499         select CPU_SUPPORTS_32BIT_KERNEL         1632         select CPU_SUPPORTS_32BIT_KERNEL
1500         select CPU_SUPPORTS_64BIT_KERNEL         1633         select CPU_SUPPORTS_64BIT_KERNEL
1501         select CPU_SUPPORTS_HIGHMEM              1634         select CPU_SUPPORTS_HIGHMEM
1502         select CPU_SUPPORTS_HUGEPAGES            1635         select CPU_SUPPORTS_HUGEPAGES
1503         select CPU_SUPPORTS_MSA                  1636         select CPU_SUPPORTS_MSA
1504         select MIPS_O32_FP64_SUPPORT if 32BIT    1637         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505         select CPU_SUPPORTS_VZ                !! 1638         select HAVE_KVM
1506         help                                     1639         help
1507           Choose this option to build a kerne    1640           Choose this option to build a kernel for release 6 or later of the
1508           MIPS64 architecture.  New MIPS proc    1641           MIPS64 architecture.  New MIPS processors, starting with the Warrior
1509           family, are based on a MIPS64r6 pro    1642           family, are based on a MIPS64r6 processor. If you own an older
1510           processor, you probably need to sel    1643           processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511                                                  1644 
1512 config CPU_P5600                              << 
1513         bool "MIPS Warrior P5600"             << 
1514         depends on SYS_HAS_CPU_P5600          << 
1515         select CPU_HAS_PREFETCH               << 
1516         select CPU_SUPPORTS_32BIT_KERNEL      << 
1517         select CPU_SUPPORTS_HIGHMEM           << 
1518         select CPU_SUPPORTS_MSA               << 
1519         select CPU_SUPPORTS_CPUFREQ           << 
1520         select CPU_SUPPORTS_VZ                << 
1521         select CPU_MIPSR2_IRQ_VI              << 
1522         select CPU_MIPSR2_IRQ_EI              << 
1523         select MIPS_O32_FP64_SUPPORT          << 
1524         help                                  << 
1525           Choose this option to build a kerne << 
1526           It's based on MIPS32r5 ISA with XPA << 
1527           MMU with two-levels TLB, UCA, MSA,  << 
1528           level features like up to six P5600 << 
1529           cache, IOCU/IOMMU (though might be  << 
1530           specific IP core configuration), GI << 
1531           eJTAG and PDtrace.                  << 
1532                                               << 
1533 config CPU_R3000                                 1645 config CPU_R3000
1534         bool "R3000"                             1646         bool "R3000"
1535         depends on SYS_HAS_CPU_R3000             1647         depends on SYS_HAS_CPU_R3000
1536         select CPU_HAS_WB                        1648         select CPU_HAS_WB
                                                   >> 1649         select CPU_HAS_LOAD_STORE_LR
1537         select CPU_R3K_TLB                       1650         select CPU_R3K_TLB
1538         select CPU_SUPPORTS_32BIT_KERNEL         1651         select CPU_SUPPORTS_32BIT_KERNEL
1539         select CPU_SUPPORTS_HIGHMEM              1652         select CPU_SUPPORTS_HIGHMEM
1540         help                                     1653         help
1541           Please make sure to pick the right     1654           Please make sure to pick the right CPU type. Linux/MIPS is not
1542           designed to be generic, i.e. Kernel    1655           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543           *not* work on R4000 machines and vi    1656           *not* work on R4000 machines and vice versa.  However, since most
1544           of the supported machines have an R    1657           of the supported machines have an R4000 (or similar) CPU, R4x00
1545           might be a safe bet.  If the result    1658           might be a safe bet.  If the resulting kernel does not work,
1546           try to recompile with R3000.           1659           try to recompile with R3000.
1547                                                  1660 
1548 config CPU_R4300                              !! 1661 config CPU_TX39XX
1549         bool "R4300"                          !! 1662         bool "R39XX"
1550         depends on SYS_HAS_CPU_R4300          !! 1663         depends on SYS_HAS_CPU_TX39XX
                                                   >> 1664         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1665         select CPU_HAS_LOAD_STORE_LR
                                                   >> 1666         select CPU_R3K_TLB
                                                   >> 1667 
                                                   >> 1668 config CPU_VR41XX
                                                   >> 1669         bool "R41xx"
                                                   >> 1670         depends on SYS_HAS_CPU_VR41XX
1551         select CPU_SUPPORTS_32BIT_KERNEL         1671         select CPU_SUPPORTS_32BIT_KERNEL
1552         select CPU_SUPPORTS_64BIT_KERNEL         1672         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1673         select CPU_HAS_LOAD_STORE_LR
1553         help                                     1674         help
1554           MIPS Technologies R4300-series proc !! 1675           The options selects support for the NEC VR4100 series of processors.
                                                   >> 1676           Only choose this option if you have one of these processors as a
                                                   >> 1677           kernel built with this option will not run on any other type of
                                                   >> 1678           processor or vice versa.
1555                                                  1679 
1556 config CPU_R4X00                                 1680 config CPU_R4X00
1557         bool "R4x00"                             1681         bool "R4x00"
1558         depends on SYS_HAS_CPU_R4X00             1682         depends on SYS_HAS_CPU_R4X00
1559         select CPU_SUPPORTS_32BIT_KERNEL         1683         select CPU_SUPPORTS_32BIT_KERNEL
1560         select CPU_SUPPORTS_64BIT_KERNEL         1684         select CPU_SUPPORTS_64BIT_KERNEL
1561         select CPU_SUPPORTS_HUGEPAGES            1685         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1686         select CPU_HAS_LOAD_STORE_LR
1562         help                                     1687         help
1563           MIPS Technologies R4000-series proc    1688           MIPS Technologies R4000-series processors other than 4300, including
1564           the R4000, R4400, R4600, and 4700.     1689           the R4000, R4400, R4600, and 4700.
1565                                                  1690 
1566 config CPU_TX49XX                                1691 config CPU_TX49XX
1567         bool "R49XX"                             1692         bool "R49XX"
1568         depends on SYS_HAS_CPU_TX49XX            1693         depends on SYS_HAS_CPU_TX49XX
1569         select CPU_HAS_PREFETCH                  1694         select CPU_HAS_PREFETCH
                                                   >> 1695         select CPU_HAS_LOAD_STORE_LR
1570         select CPU_SUPPORTS_32BIT_KERNEL         1696         select CPU_SUPPORTS_32BIT_KERNEL
1571         select CPU_SUPPORTS_64BIT_KERNEL         1697         select CPU_SUPPORTS_64BIT_KERNEL
1572         select CPU_SUPPORTS_HUGEPAGES            1698         select CPU_SUPPORTS_HUGEPAGES
1573                                                  1699 
1574 config CPU_R5000                                 1700 config CPU_R5000
1575         bool "R5000"                             1701         bool "R5000"
1576         depends on SYS_HAS_CPU_R5000             1702         depends on SYS_HAS_CPU_R5000
1577         select CPU_SUPPORTS_32BIT_KERNEL         1703         select CPU_SUPPORTS_32BIT_KERNEL
1578         select CPU_SUPPORTS_64BIT_KERNEL         1704         select CPU_SUPPORTS_64BIT_KERNEL
1579         select CPU_SUPPORTS_HUGEPAGES            1705         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1706         select CPU_HAS_LOAD_STORE_LR
1580         help                                     1707         help
1581           MIPS Technologies R5000-series proc    1708           MIPS Technologies R5000-series processors other than the Nevada.
1582                                                  1709 
1583 config CPU_R5500                                 1710 config CPU_R5500
1584         bool "R5500"                             1711         bool "R5500"
1585         depends on SYS_HAS_CPU_R5500             1712         depends on SYS_HAS_CPU_R5500
1586         select CPU_SUPPORTS_32BIT_KERNEL         1713         select CPU_SUPPORTS_32BIT_KERNEL
1587         select CPU_SUPPORTS_64BIT_KERNEL         1714         select CPU_SUPPORTS_64BIT_KERNEL
1588         select CPU_SUPPORTS_HUGEPAGES            1715         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1716         select CPU_HAS_LOAD_STORE_LR
1589         help                                     1717         help
1590           NEC VR5500 and VR5500A series proce    1718           NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591           instruction set.                       1719           instruction set.
1592                                                  1720 
1593 config CPU_NEVADA                                1721 config CPU_NEVADA
1594         bool "RM52xx"                            1722         bool "RM52xx"
1595         depends on SYS_HAS_CPU_NEVADA            1723         depends on SYS_HAS_CPU_NEVADA
1596         select CPU_SUPPORTS_32BIT_KERNEL         1724         select CPU_SUPPORTS_32BIT_KERNEL
1597         select CPU_SUPPORTS_64BIT_KERNEL         1725         select CPU_SUPPORTS_64BIT_KERNEL
1598         select CPU_SUPPORTS_HUGEPAGES            1726         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1727         select CPU_HAS_LOAD_STORE_LR
1599         help                                     1728         help
1600           QED / PMC-Sierra RM52xx-series ("Ne    1729           QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601                                                  1730 
1602 config CPU_R10000                                1731 config CPU_R10000
1603         bool "R10000"                            1732         bool "R10000"
1604         depends on SYS_HAS_CPU_R10000            1733         depends on SYS_HAS_CPU_R10000
1605         select CPU_HAS_PREFETCH                  1734         select CPU_HAS_PREFETCH
                                                   >> 1735         select CPU_HAS_LOAD_STORE_LR
1606         select CPU_SUPPORTS_32BIT_KERNEL         1736         select CPU_SUPPORTS_32BIT_KERNEL
1607         select CPU_SUPPORTS_64BIT_KERNEL         1737         select CPU_SUPPORTS_64BIT_KERNEL
1608         select CPU_SUPPORTS_HIGHMEM              1738         select CPU_SUPPORTS_HIGHMEM
1609         select CPU_SUPPORTS_HUGEPAGES            1739         select CPU_SUPPORTS_HUGEPAGES
1610         help                                     1740         help
1611           MIPS Technologies R10000-series pro    1741           MIPS Technologies R10000-series processors.
1612                                                  1742 
1613 config CPU_RM7000                                1743 config CPU_RM7000
1614         bool "RM7000"                            1744         bool "RM7000"
1615         depends on SYS_HAS_CPU_RM7000            1745         depends on SYS_HAS_CPU_RM7000
1616         select CPU_HAS_PREFETCH                  1746         select CPU_HAS_PREFETCH
                                                   >> 1747         select CPU_HAS_LOAD_STORE_LR
1617         select CPU_SUPPORTS_32BIT_KERNEL         1748         select CPU_SUPPORTS_32BIT_KERNEL
1618         select CPU_SUPPORTS_64BIT_KERNEL         1749         select CPU_SUPPORTS_64BIT_KERNEL
1619         select CPU_SUPPORTS_HIGHMEM              1750         select CPU_SUPPORTS_HIGHMEM
1620         select CPU_SUPPORTS_HUGEPAGES            1751         select CPU_SUPPORTS_HUGEPAGES
1621                                                  1752 
1622 config CPU_SB1                                   1753 config CPU_SB1
1623         bool "SB1"                               1754         bool "SB1"
1624         depends on SYS_HAS_CPU_SB1               1755         depends on SYS_HAS_CPU_SB1
                                                   >> 1756         select CPU_HAS_LOAD_STORE_LR
1625         select CPU_SUPPORTS_32BIT_KERNEL         1757         select CPU_SUPPORTS_32BIT_KERNEL
1626         select CPU_SUPPORTS_64BIT_KERNEL         1758         select CPU_SUPPORTS_64BIT_KERNEL
1627         select CPU_SUPPORTS_HIGHMEM              1759         select CPU_SUPPORTS_HIGHMEM
1628         select CPU_SUPPORTS_HUGEPAGES            1760         select CPU_SUPPORTS_HUGEPAGES
1629         select WEAK_ORDERING                     1761         select WEAK_ORDERING
1630                                                  1762 
1631 config CPU_CAVIUM_OCTEON                         1763 config CPU_CAVIUM_OCTEON
1632         bool "Cavium Octeon processor"           1764         bool "Cavium Octeon processor"
1633         depends on SYS_HAS_CPU_CAVIUM_OCTEON     1765         depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634         select CPU_HAS_PREFETCH                  1766         select CPU_HAS_PREFETCH
                                                   >> 1767         select CPU_HAS_LOAD_STORE_LR
1635         select CPU_SUPPORTS_64BIT_KERNEL         1768         select CPU_SUPPORTS_64BIT_KERNEL
1636         select HAVE_PAGE_SIZE_8KB if !MIPS_VA << 
1637         select HAVE_PAGE_SIZE_32KB if !MIPS_V << 
1638         select WEAK_ORDERING                     1769         select WEAK_ORDERING
1639         select CPU_SUPPORTS_HIGHMEM              1770         select CPU_SUPPORTS_HIGHMEM
1640         select CPU_SUPPORTS_HUGEPAGES            1771         select CPU_SUPPORTS_HUGEPAGES
1641         select USB_EHCI_BIG_ENDIAN_MMIO if CP    1772         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642         select USB_OHCI_BIG_ENDIAN_MMIO if CP    1773         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643         select MIPS_L1_CACHE_SHIFT_7             1774         select MIPS_L1_CACHE_SHIFT_7
1644         select CPU_SUPPORTS_VZ                !! 1775         select HAVE_KVM
1645         help                                     1776         help
1646           The Cavium Octeon processor is a hi    1777           The Cavium Octeon processor is a highly integrated chip containing
1647           many ethernet hardware widgets for     1778           many ethernet hardware widgets for networking tasks. The processor
1648           can have up to 16 Mips64v2 cores an    1779           can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649           Full details can be found at http:/    1780           Full details can be found at http://www.caviumnetworks.com.
1650                                                  1781 
1651 config CPU_BMIPS                                 1782 config CPU_BMIPS
1652         bool "Broadcom BMIPS"                    1783         bool "Broadcom BMIPS"
1653         depends on SYS_HAS_CPU_BMIPS             1784         depends on SYS_HAS_CPU_BMIPS
1654         select CPU_MIPS32                        1785         select CPU_MIPS32
1655         select CPU_BMIPS32_3300 if SYS_HAS_CP    1786         select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656         select CPU_BMIPS4350 if SYS_HAS_CPU_B    1787         select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657         select CPU_BMIPS4380 if SYS_HAS_CPU_B    1788         select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658         select CPU_BMIPS5000 if SYS_HAS_CPU_B    1789         select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659         select CPU_SUPPORTS_32BIT_KERNEL         1790         select CPU_SUPPORTS_32BIT_KERNEL
1660         select DMA_NONCOHERENT                   1791         select DMA_NONCOHERENT
1661         select IRQ_MIPS_CPU                      1792         select IRQ_MIPS_CPU
1662         select SWAP_IO_SPACE                     1793         select SWAP_IO_SPACE
1663         select WEAK_ORDERING                     1794         select WEAK_ORDERING
1664         select CPU_SUPPORTS_HIGHMEM              1795         select CPU_SUPPORTS_HIGHMEM
1665         select CPU_HAS_PREFETCH                  1796         select CPU_HAS_PREFETCH
                                                   >> 1797         select CPU_HAS_LOAD_STORE_LR
1666         select CPU_SUPPORTS_CPUFREQ              1798         select CPU_SUPPORTS_CPUFREQ
1667         select MIPS_EXTERNAL_TIMER               1799         select MIPS_EXTERNAL_TIMER
1668         select GENERIC_IRQ_MIGRATION if HOTPL << 
1669         help                                     1800         help
1670           Support for BMIPS32/3300/4350/4380     1801           Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671                                                  1802 
1672 endchoice                                     !! 1803 config CPU_XLR
1673                                               !! 1804         bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT                  !! 1805         depends on SYS_HAS_CPU_XLR
1675         bool "New Loongson-3 CPU Enhancements !! 1806         select CPU_HAS_LOAD_STORE_LR
1676         default n                             !! 1807         select CPU_SUPPORTS_32BIT_KERNEL
1677         depends on CPU_LOONGSON64             !! 1808         select CPU_SUPPORTS_64BIT_KERNEL
1678         help                                  !! 1809         select CPU_SUPPORTS_HIGHMEM
1679           New Loongson-3 cores (since Loongso !! 1810         select CPU_SUPPORTS_HUGEPAGES
1680           R1, Loongson-3B R1 and Loongson-3B  !! 1811         select WEAK_ORDERING
1681           FTLB, L1-VCache, EI/DI/Wait/Prefetc !! 1812         select WEAK_REORDERING_BEYOND_LLSC
1682           Local register, Read-Inhibit/Execut << 
1683           Fast TLB refill support, etc.       << 
1684                                               << 
1685           This option enable those enhancemen << 
1686           time. If you want a generic kernel  << 
1687           please say 'N' here. If you want a  << 
1688           new Loongson-3 machines only, pleas << 
1689                                               << 
1690 config CPU_LOONGSON3_WORKAROUNDS              << 
1691         bool "Loongson-3 LLSC Workarounds"    << 
1692         default y if SMP                      << 
1693         depends on CPU_LOONGSON64             << 
1694         help                                     1813         help
1695           Loongson-3 processors have the llsc !! 1814           Netlogic Microsystems XLR/XLS processors.
1696           Without workarounds the system may  << 
1697                                                  1815 
1698           Say Y, unless you know what you are !! 1816 config CPU_XLP
1699                                               !! 1817         bool "Netlogic XLP SoC"
1700 config CPU_LOONGSON3_CPUCFG_EMULATION         !! 1818         depends on SYS_HAS_CPU_XLP
1701         bool "Emulate the CPUCFG instruction  !! 1819         select CPU_SUPPORTS_32BIT_KERNEL
1702         default y                             !! 1820         select CPU_SUPPORTS_64BIT_KERNEL
1703         depends on CPU_LOONGSON64             !! 1821         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1822         select WEAK_ORDERING
                                                   >> 1823         select WEAK_REORDERING_BEYOND_LLSC
                                                   >> 1824         select CPU_HAS_PREFETCH
                                                   >> 1825         select CPU_HAS_LOAD_STORE_LR
                                                   >> 1826         select CPU_MIPSR2
                                                   >> 1827         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1828         select MIPS_ASID_BITS_VARIABLE
1704         help                                     1829         help
1705           Loongson-3A R4 and newer have the C !! 1830           Netlogic Microsystems XLP processors.
1706           userland to query CPU capabilities, !! 1831 endchoice
1707           option provides emulation of the in << 
1708           cores, back to Loongson-3A1000.     << 
1709                                               << 
1710           If unsure, please say Y.            << 
1711                                                  1832 
1712 config CPU_MIPS32_3_5_FEATURES                   1833 config CPU_MIPS32_3_5_FEATURES
1713         bool "MIPS32 Release 3.5 Features"       1834         bool "MIPS32 Release 3.5 Features"
1714         depends on SYS_HAS_CPU_MIPS32_R3_5       1835         depends on SYS_HAS_CPU_MIPS32_R3_5
1715         depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1836         depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1716                    CPU_P5600                  << 
1717         help                                     1837         help
1718           Choose this option to build a kerne    1838           Choose this option to build a kernel for release 2 or later of the
1719           MIPS32 architecture including featu    1839           MIPS32 architecture including features from the 3.5 release such as
1720           support for Enhanced Virtual Addres    1840           support for Enhanced Virtual Addressing (EVA).
1721                                                  1841 
1722 config CPU_MIPS32_3_5_EVA                        1842 config CPU_MIPS32_3_5_EVA
1723         bool "Enhanced Virtual Addressing (EV    1843         bool "Enhanced Virtual Addressing (EVA)"
1724         depends on CPU_MIPS32_3_5_FEATURES       1844         depends on CPU_MIPS32_3_5_FEATURES
1725         select EVA                               1845         select EVA
1726         default y                                1846         default y
1727         help                                     1847         help
1728           Choose this option if you want to e    1848           Choose this option if you want to enable the Enhanced Virtual
1729           Addressing (EVA) on your MIPS32 cor    1849           Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730           One of its primary benefits is an i    1850           One of its primary benefits is an increase in the maximum size
1731           of lowmem (up to 3GB). If unsure, s    1851           of lowmem (up to 3GB). If unsure, say 'N' here.
1732                                                  1852 
1733 config CPU_MIPS32_R5_FEATURES                    1853 config CPU_MIPS32_R5_FEATURES
1734         bool "MIPS32 Release 5 Features"         1854         bool "MIPS32 Release 5 Features"
1735         depends on SYS_HAS_CPU_MIPS32_R5         1855         depends on SYS_HAS_CPU_MIPS32_R5
1736         depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1856         depends on CPU_MIPS32_R2
1737         help                                     1857         help
1738           Choose this option to build a kerne    1858           Choose this option to build a kernel for release 2 or later of the
1739           MIPS32 architecture including featu    1859           MIPS32 architecture including features from release 5 such as
1740           support for Extended Physical Addre    1860           support for Extended Physical Addressing (XPA).
1741                                                  1861 
1742 config CPU_MIPS32_R5_XPA                         1862 config CPU_MIPS32_R5_XPA
1743         bool "Extended Physical Addressing (X    1863         bool "Extended Physical Addressing (XPA)"
1744         depends on CPU_MIPS32_R5_FEATURES        1864         depends on CPU_MIPS32_R5_FEATURES
1745         depends on !EVA                          1865         depends on !EVA
1746         depends on !PAGE_SIZE_4KB                1866         depends on !PAGE_SIZE_4KB
1747         depends on SYS_SUPPORTS_HIGHMEM          1867         depends on SYS_SUPPORTS_HIGHMEM
1748         select XPA                               1868         select XPA
1749         select HIGHMEM                           1869         select HIGHMEM
1750         select PHYS_ADDR_T_64BIT                 1870         select PHYS_ADDR_T_64BIT
1751         default n                                1871         default n
1752         help                                     1872         help
1753           Choose this option if you want to e    1873           Choose this option if you want to enable the Extended Physical
1754           Addressing (XPA) on your MIPS32 cor    1874           Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755           benefit is to increase physical add    1875           benefit is to increase physical addressing equal to or greater
1756           than 40 bits. Note that this has th    1876           than 40 bits. Note that this has the side effect of turning on
1757           64-bit addressing which in turn mak    1877           64-bit addressing which in turn makes the PTEs 64-bit in size.
1758           If unsure, say 'N' here.               1878           If unsure, say 'N' here.
1759                                                  1879 
1760 if CPU_LOONGSON2F                                1880 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS                       1881 config CPU_NOP_WORKAROUNDS
1762         bool                                     1882         bool
1763                                                  1883 
1764 config CPU_JUMP_WORKAROUNDS                      1884 config CPU_JUMP_WORKAROUNDS
1765         bool                                     1885         bool
1766                                                  1886 
1767 config CPU_LOONGSON2F_WORKAROUNDS                1887 config CPU_LOONGSON2F_WORKAROUNDS
1768         bool "Loongson 2F Workarounds"           1888         bool "Loongson 2F Workarounds"
1769         default y                                1889         default y
1770         select CPU_NOP_WORKAROUNDS               1890         select CPU_NOP_WORKAROUNDS
1771         select CPU_JUMP_WORKAROUNDS              1891         select CPU_JUMP_WORKAROUNDS
1772         help                                     1892         help
1773           Loongson 2F01 / 2F02 processors hav    1893           Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774           require workarounds.  Without worka    1894           require workarounds.  Without workarounds the system may hang
1775           unexpectedly.  For more information    1895           unexpectedly.  For more information please refer to the gas
1776           -mfix-loongson2f-nop and -mfix-loon    1896           -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777                                                  1897 
1778           Loongson 2F03 and later have fixed     1898           Loongson 2F03 and later have fixed these issues and no workarounds
1779           are needed.  The workarounds have n    1899           are needed.  The workarounds have no significant side effect on them
1780           but may decrease the performance of    1900           but may decrease the performance of the system so this option should
1781           be disabled unless the kernel is in    1901           be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782           systems.                               1902           systems.
1783                                                  1903 
1784           If unsure, please say Y.               1904           If unsure, please say Y.
1785 endif # CPU_LOONGSON2F                           1905 endif # CPU_LOONGSON2F
1786                                                  1906 
1787 config SYS_SUPPORTS_ZBOOT                        1907 config SYS_SUPPORTS_ZBOOT
1788         bool                                     1908         bool
1789         select HAVE_KERNEL_GZIP                  1909         select HAVE_KERNEL_GZIP
1790         select HAVE_KERNEL_BZIP2                 1910         select HAVE_KERNEL_BZIP2
1791         select HAVE_KERNEL_LZ4                   1911         select HAVE_KERNEL_LZ4
1792         select HAVE_KERNEL_LZMA                  1912         select HAVE_KERNEL_LZMA
1793         select HAVE_KERNEL_LZO                   1913         select HAVE_KERNEL_LZO
1794         select HAVE_KERNEL_XZ                    1914         select HAVE_KERNEL_XZ
1795         select HAVE_KERNEL_ZSTD               << 
1796                                                  1915 
1797 config SYS_SUPPORTS_ZBOOT_UART16550              1916 config SYS_SUPPORTS_ZBOOT_UART16550
1798         bool                                     1917         bool
1799         select SYS_SUPPORTS_ZBOOT                1918         select SYS_SUPPORTS_ZBOOT
1800                                                  1919 
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM              1920 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802         bool                                     1921         bool
1803         select SYS_SUPPORTS_ZBOOT                1922         select SYS_SUPPORTS_ZBOOT
1804                                                  1923 
1805 config CPU_LOONGSON2EF                           1924 config CPU_LOONGSON2EF
1806         bool                                     1925         bool
1807         select CPU_SUPPORTS_32BIT_KERNEL         1926         select CPU_SUPPORTS_32BIT_KERNEL
1808         select CPU_SUPPORTS_64BIT_KERNEL         1927         select CPU_SUPPORTS_64BIT_KERNEL
1809         select CPU_SUPPORTS_HIGHMEM              1928         select CPU_SUPPORTS_HIGHMEM
1810         select CPU_SUPPORTS_HUGEPAGES            1929         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1930         select ARCH_HAS_PHYS_TO_DMA
                                                   >> 1931         select CPU_HAS_LOAD_STORE_LR
1811                                                  1932 
1812 config CPU_LOONGSON32                            1933 config CPU_LOONGSON32
1813         bool                                     1934         bool
1814         select CPU_MIPS32                        1935         select CPU_MIPS32
1815         select CPU_MIPSR2                        1936         select CPU_MIPSR2
1816         select CPU_HAS_PREFETCH                  1937         select CPU_HAS_PREFETCH
                                                   >> 1938         select CPU_HAS_LOAD_STORE_LR
1817         select CPU_SUPPORTS_32BIT_KERNEL         1939         select CPU_SUPPORTS_32BIT_KERNEL
1818         select CPU_SUPPORTS_HIGHMEM              1940         select CPU_SUPPORTS_HIGHMEM
1819         select CPU_SUPPORTS_CPUFREQ              1941         select CPU_SUPPORTS_CPUFREQ
1820                                                  1942 
1821 config CPU_BMIPS32_3300                          1943 config CPU_BMIPS32_3300
1822         select SMP_UP if SMP                     1944         select SMP_UP if SMP
1823         bool                                     1945         bool
1824                                                  1946 
1825 config CPU_BMIPS4350                             1947 config CPU_BMIPS4350
1826         bool                                     1948         bool
1827         select SYS_SUPPORTS_SMP                  1949         select SYS_SUPPORTS_SMP
1828         select SYS_SUPPORTS_HOTPLUG_CPU          1950         select SYS_SUPPORTS_HOTPLUG_CPU
1829                                                  1951 
1830 config CPU_BMIPS4380                             1952 config CPU_BMIPS4380
1831         bool                                     1953         bool
1832         select MIPS_L1_CACHE_SHIFT_6             1954         select MIPS_L1_CACHE_SHIFT_6
1833         select SYS_SUPPORTS_SMP                  1955         select SYS_SUPPORTS_SMP
1834         select SYS_SUPPORTS_HOTPLUG_CPU          1956         select SYS_SUPPORTS_HOTPLUG_CPU
1835         select CPU_HAS_RIXI                      1957         select CPU_HAS_RIXI
1836                                                  1958 
1837 config CPU_BMIPS5000                             1959 config CPU_BMIPS5000
1838         bool                                     1960         bool
1839         select MIPS_CPU_SCACHE                   1961         select MIPS_CPU_SCACHE
1840         select MIPS_L1_CACHE_SHIFT_7             1962         select MIPS_L1_CACHE_SHIFT_7
1841         select SYS_SUPPORTS_SMP                  1963         select SYS_SUPPORTS_SMP
1842         select SYS_SUPPORTS_HOTPLUG_CPU          1964         select SYS_SUPPORTS_HOTPLUG_CPU
1843         select CPU_HAS_RIXI                      1965         select CPU_HAS_RIXI
1844                                                  1966 
1845 config SYS_HAS_CPU_LOONGSON64                    1967 config SYS_HAS_CPU_LOONGSON64
1846         bool                                     1968         bool
1847         select CPU_SUPPORTS_CPUFREQ              1969         select CPU_SUPPORTS_CPUFREQ
1848         select CPU_HAS_RIXI                      1970         select CPU_HAS_RIXI
1849                                                  1971 
1850 config SYS_HAS_CPU_LOONGSON2E                    1972 config SYS_HAS_CPU_LOONGSON2E
1851         bool                                     1973         bool
1852                                                  1974 
1853 config SYS_HAS_CPU_LOONGSON2F                    1975 config SYS_HAS_CPU_LOONGSON2F
1854         bool                                     1976         bool
1855         select CPU_SUPPORTS_CPUFREQ              1977         select CPU_SUPPORTS_CPUFREQ
1856         select CPU_SUPPORTS_ADDRWINCFG if 64B    1978         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857                                                  1979 
1858 config SYS_HAS_CPU_LOONGSON1B                    1980 config SYS_HAS_CPU_LOONGSON1B
1859         bool                                     1981         bool
1860                                                  1982 
1861 config SYS_HAS_CPU_LOONGSON1C                    1983 config SYS_HAS_CPU_LOONGSON1C
1862         bool                                     1984         bool
1863                                                  1985 
1864 config SYS_HAS_CPU_MIPS32_R1                     1986 config SYS_HAS_CPU_MIPS32_R1
1865         bool                                     1987         bool
1866                                                  1988 
1867 config SYS_HAS_CPU_MIPS32_R2                     1989 config SYS_HAS_CPU_MIPS32_R2
1868         bool                                     1990         bool
1869                                                  1991 
1870 config SYS_HAS_CPU_MIPS32_R3_5                   1992 config SYS_HAS_CPU_MIPS32_R3_5
1871         bool                                     1993         bool
1872                                                  1994 
1873 config SYS_HAS_CPU_MIPS32_R5                     1995 config SYS_HAS_CPU_MIPS32_R5
1874         bool                                     1996         bool
                                                   >> 1997         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875                                                  1998 
1876 config SYS_HAS_CPU_MIPS32_R6                     1999 config SYS_HAS_CPU_MIPS32_R6
1877         bool                                     2000         bool
                                                   >> 2001         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878                                                  2002 
1879 config SYS_HAS_CPU_MIPS64_R1                     2003 config SYS_HAS_CPU_MIPS64_R1
1880         bool                                     2004         bool
1881                                                  2005 
1882 config SYS_HAS_CPU_MIPS64_R2                     2006 config SYS_HAS_CPU_MIPS64_R2
1883         bool                                     2007         bool
1884                                                  2008 
1885 config SYS_HAS_CPU_MIPS64_R5                  << 
1886         bool                                  << 
1887                                               << 
1888 config SYS_HAS_CPU_MIPS64_R6                     2009 config SYS_HAS_CPU_MIPS64_R6
1889         bool                                     2010         bool
                                                   >> 2011         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890                                                  2012 
1891 config SYS_HAS_CPU_P5600                      !! 2013 config SYS_HAS_CPU_R3000
1892         bool                                     2014         bool
1893                                                  2015 
1894 config SYS_HAS_CPU_R3000                      !! 2016 config SYS_HAS_CPU_TX39XX
1895         bool                                     2017         bool
1896                                                  2018 
1897 config SYS_HAS_CPU_R4300                      !! 2019 config SYS_HAS_CPU_VR41XX
1898         bool                                     2020         bool
1899                                                  2021 
1900 config SYS_HAS_CPU_R4X00                         2022 config SYS_HAS_CPU_R4X00
1901         bool                                     2023         bool
1902                                                  2024 
1903 config SYS_HAS_CPU_TX49XX                        2025 config SYS_HAS_CPU_TX49XX
1904         bool                                     2026         bool
1905                                                  2027 
1906 config SYS_HAS_CPU_R5000                         2028 config SYS_HAS_CPU_R5000
1907         bool                                     2029         bool
1908                                                  2030 
1909 config SYS_HAS_CPU_R5500                         2031 config SYS_HAS_CPU_R5500
1910         bool                                     2032         bool
1911                                                  2033 
1912 config SYS_HAS_CPU_NEVADA                        2034 config SYS_HAS_CPU_NEVADA
1913         bool                                     2035         bool
1914                                                  2036 
1915 config SYS_HAS_CPU_R10000                        2037 config SYS_HAS_CPU_R10000
1916         bool                                     2038         bool
                                                   >> 2039         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917                                                  2040 
1918 config SYS_HAS_CPU_RM7000                        2041 config SYS_HAS_CPU_RM7000
1919         bool                                     2042         bool
1920                                                  2043 
1921 config SYS_HAS_CPU_SB1                           2044 config SYS_HAS_CPU_SB1
1922         bool                                     2045         bool
1923                                                  2046 
1924 config SYS_HAS_CPU_CAVIUM_OCTEON                 2047 config SYS_HAS_CPU_CAVIUM_OCTEON
1925         bool                                     2048         bool
1926                                                  2049 
1927 config SYS_HAS_CPU_BMIPS                         2050 config SYS_HAS_CPU_BMIPS
1928         bool                                     2051         bool
1929                                                  2052 
1930 config SYS_HAS_CPU_BMIPS32_3300                  2053 config SYS_HAS_CPU_BMIPS32_3300
1931         bool                                     2054         bool
1932         select SYS_HAS_CPU_BMIPS                 2055         select SYS_HAS_CPU_BMIPS
1933                                                  2056 
1934 config SYS_HAS_CPU_BMIPS4350                     2057 config SYS_HAS_CPU_BMIPS4350
1935         bool                                     2058         bool
1936         select SYS_HAS_CPU_BMIPS                 2059         select SYS_HAS_CPU_BMIPS
1937                                                  2060 
1938 config SYS_HAS_CPU_BMIPS4380                     2061 config SYS_HAS_CPU_BMIPS4380
1939         bool                                     2062         bool
1940         select SYS_HAS_CPU_BMIPS                 2063         select SYS_HAS_CPU_BMIPS
1941                                                  2064 
1942 config SYS_HAS_CPU_BMIPS5000                     2065 config SYS_HAS_CPU_BMIPS5000
1943         bool                                     2066         bool
1944         select SYS_HAS_CPU_BMIPS                 2067         select SYS_HAS_CPU_BMIPS
                                                   >> 2068         select ARCH_HAS_SYNC_DMA_FOR_CPU
                                                   >> 2069 
                                                   >> 2070 config SYS_HAS_CPU_XLR
                                                   >> 2071         bool
                                                   >> 2072 
                                                   >> 2073 config SYS_HAS_CPU_XLP
                                                   >> 2074         bool
1945                                                  2075 
1946 #                                                2076 #
1947 # CPU may reorder R->R, R->W, W->R, W->W         2077 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W    2078 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 #                                                2079 #
1950 config WEAK_ORDERING                             2080 config WEAK_ORDERING
1951         bool                                     2081         bool
1952                                                  2082 
1953 #                                                2083 #
1954 # CPU may reorder reads and writes beyond LL/    2084 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL,    2085 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 #                                                2086 #
1957 config WEAK_REORDERING_BEYOND_LLSC               2087 config WEAK_REORDERING_BEYOND_LLSC
1958         bool                                     2088         bool
1959 endmenu                                          2089 endmenu
1960                                                  2090 
1961 #                                                2091 #
1962 # These two indicate any level of the MIPS32     2092 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 #                                                2093 #
1964 config CPU_MIPS32                                2094 config CPU_MIPS32
1965         bool                                     2095         bool
1966         default y if CPU_MIPS32_R1 || CPU_MIP !! 2096         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1967                      CPU_MIPS32_R6 || CPU_P56 << 
1968                                                  2097 
1969 config CPU_MIPS64                                2098 config CPU_MIPS64
1970         bool                                     2099         bool
1971         default y if CPU_MIPS64_R1 || CPU_MIP !! 2100         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1972                      CPU_MIPS64_R6 || CPU_LOO << 
1973                                                  2101 
1974 #                                                2102 #
1975 # These indicate the revision of the architec    2103 # These indicate the revision of the architecture
1976 #                                                2104 #
1977 config CPU_MIPSR1                                2105 config CPU_MIPSR1
1978         bool                                     2106         bool
1979         default y if CPU_MIPS32_R1 || CPU_MIP    2107         default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980                                                  2108 
1981 config CPU_MIPSR2                                2109 config CPU_MIPSR2
1982         bool                                     2110         bool
1983         default y if CPU_MIPS32_R2 || CPU_MIP    2111         default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984         select CPU_HAS_RIXI                      2112         select CPU_HAS_RIXI
1985         select CPU_HAS_DIEI if !CPU_DIEI_BROK << 
1986         select MIPS_SPRAM                     << 
1987                                               << 
1988 config CPU_MIPSR5                             << 
1989         bool                                  << 
1990         default y if CPU_MIPS32_R5 || CPU_MIP << 
1991         select CPU_HAS_RIXI                   << 
1992         select CPU_HAS_DIEI if !CPU_DIEI_BROK << 
1993         select MIPS_SPRAM                        2113         select MIPS_SPRAM
1994                                                  2114 
1995 config CPU_MIPSR6                                2115 config CPU_MIPSR6
1996         bool                                     2116         bool
1997         default y if CPU_MIPS32_R6 || CPU_MIP    2117         default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998         select CPU_HAS_RIXI                      2118         select CPU_HAS_RIXI
1999         select CPU_HAS_DIEI if !CPU_DIEI_BROK << 
2000         select HAVE_ARCH_BITREVERSE              2119         select HAVE_ARCH_BITREVERSE
2001         select MIPS_ASID_BITS_VARIABLE           2120         select MIPS_ASID_BITS_VARIABLE
2002         select MIPS_CRC_SUPPORT                  2121         select MIPS_CRC_SUPPORT
2003         select MIPS_SPRAM                        2122         select MIPS_SPRAM
2004                                                  2123 
2005 config TARGET_ISA_REV                            2124 config TARGET_ISA_REV
2006         int                                      2125         int
2007         default 1 if CPU_MIPSR1                  2126         default 1 if CPU_MIPSR1
2008         default 2 if CPU_MIPSR2                  2127         default 2 if CPU_MIPSR2
2009         default 5 if CPU_MIPSR5               << 
2010         default 6 if CPU_MIPSR6                  2128         default 6 if CPU_MIPSR6
2011         default 0                                2129         default 0
2012         help                                     2130         help
2013           Reflects the ISA revision being tar    2131           Reflects the ISA revision being targeted by the kernel build. This
2014           is effectively the Kconfig equivale    2132           is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015                                                  2133 
2016 config EVA                                       2134 config EVA
2017         bool                                     2135         bool
2018                                                  2136 
2019 config XPA                                       2137 config XPA
2020         bool                                     2138         bool
2021                                                  2139 
2022 config SYS_SUPPORTS_32BIT_KERNEL                 2140 config SYS_SUPPORTS_32BIT_KERNEL
2023         bool                                     2141         bool
2024 config SYS_SUPPORTS_64BIT_KERNEL                 2142 config SYS_SUPPORTS_64BIT_KERNEL
2025         bool                                     2143         bool
2026 config CPU_SUPPORTS_32BIT_KERNEL                 2144 config CPU_SUPPORTS_32BIT_KERNEL
2027         bool                                     2145         bool
2028 config CPU_SUPPORTS_64BIT_KERNEL                 2146 config CPU_SUPPORTS_64BIT_KERNEL
2029         bool                                     2147         bool
2030 config CPU_SUPPORTS_CPUFREQ                      2148 config CPU_SUPPORTS_CPUFREQ
2031         bool                                     2149         bool
2032 config CPU_SUPPORTS_ADDRWINCFG                   2150 config CPU_SUPPORTS_ADDRWINCFG
2033         bool                                     2151         bool
2034 config CPU_SUPPORTS_HUGEPAGES                    2152 config CPU_SUPPORTS_HUGEPAGES
2035         bool                                     2153         bool
2036         depends on !(32BIT && (PHYS_ADDR_T_64 !! 2154         depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ                        << 
2038         bool                                  << 
2039 config MIPS_PGD_C0_CONTEXT                       2155 config MIPS_PGD_C0_CONTEXT
2040         bool                                     2156         bool
2041         depends on 64BIT                      !! 2157         default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042         default y if (CPU_MIPSR2 || CPU_MIPSR << 
2043                                                  2158 
2044 #                                                2159 #
2045 # Set to y for ptrace access to watch registe    2160 # Set to y for ptrace access to watch registers.
2046 #                                                2161 #
2047 config HARDWARE_WATCHPOINTS                      2162 config HARDWARE_WATCHPOINTS
2048         bool                                     2163         bool
2049         default y if CPU_MIPSR1 || CPU_MIPSR2    2164         default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050                                                  2165 
2051 menu "Kernel type"                               2166 menu "Kernel type"
2052                                                  2167 
2053 choice                                           2168 choice
2054         prompt "Kernel code model"               2169         prompt "Kernel code model"
2055         help                                     2170         help
2056           You should only select this option     2171           You should only select this option if you have a workload that
2057           actually benefits from 64-bit proce    2172           actually benefits from 64-bit processing or if your machine has
2058           large memory.  You will only be pre    2173           large memory.  You will only be presented a single option in this
2059           menu if your system does not suppor    2174           menu if your system does not support both 32-bit and 64-bit kernels.
2060                                                  2175 
2061 config 32BIT                                     2176 config 32BIT
2062         bool "32-bit kernel"                     2177         bool "32-bit kernel"
2063         depends on CPU_SUPPORTS_32BIT_KERNEL     2178         depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064         select TRAD_SIGNALS                      2179         select TRAD_SIGNALS
2065         help                                     2180         help
2066           Select this option if you want to b    2181           Select this option if you want to build a 32-bit kernel.
2067                                                  2182 
2068 config 64BIT                                     2183 config 64BIT
2069         bool "64-bit kernel"                     2184         bool "64-bit kernel"
2070         depends on CPU_SUPPORTS_64BIT_KERNEL     2185         depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071         help                                     2186         help
2072           Select this option if you want to b    2187           Select this option if you want to build a 64-bit kernel.
2073                                                  2188 
2074 endchoice                                        2189 endchoice
2075                                                  2190 
                                                   >> 2191 config KVM_GUEST
                                                   >> 2192         bool "KVM Guest Kernel"
                                                   >> 2193         depends on BROKEN_ON_SMP
                                                   >> 2194         help
                                                   >> 2195           Select this option if building a guest kernel for KVM (Trap & Emulate)
                                                   >> 2196           mode.
                                                   >> 2197 
                                                   >> 2198 config KVM_GUEST_TIMER_FREQ
                                                   >> 2199         int "Count/Compare Timer Frequency (MHz)"
                                                   >> 2200         depends on KVM_GUEST
                                                   >> 2201         default 100
                                                   >> 2202         help
                                                   >> 2203           Set this to non-zero if building a guest kernel for KVM to skip RTC
                                                   >> 2204           emulation when determining guest CPU Frequency. Instead, the guest's
                                                   >> 2205           timer frequency is specified directly.
                                                   >> 2206 
2076 config MIPS_VA_BITS_48                           2207 config MIPS_VA_BITS_48
2077         bool "48 bits virtual memory"            2208         bool "48 bits virtual memory"
2078         depends on 64BIT                         2209         depends on 64BIT
2079         help                                     2210         help
2080           Support a maximum at least 48 bits     2211           Support a maximum at least 48 bits of application virtual
2081           memory.  Default is 40 bits or less    2212           memory.  Default is 40 bits or less, depending on the CPU.
2082           For page sizes 16k and above, this     2213           For page sizes 16k and above, this option results in a small
2083           memory overhead for page tables.  F    2214           memory overhead for page tables.  For 4k page size, a fourth
2084           level of page tables is added which    2215           level of page tables is added which imposes both a memory
2085           overhead as well as slower TLB faul    2216           overhead as well as slower TLB fault handling.
2086                                                  2217 
2087           If unsure, say N.                      2218           If unsure, say N.
2088                                                  2219 
2089 config ZBOOT_LOAD_ADDRESS                     !! 2220 choice
2090         hex "Compressed kernel load address"  !! 2221         prompt "Kernel page size"
2091         default 0xffffffff80400000 if BCM47XX !! 2222         default PAGE_SIZE_4KB
2092         default 0x0                           !! 2223 
2093         depends on SYS_SUPPORTS_ZBOOT         !! 2224 config PAGE_SIZE_4KB
2094         help                                  !! 2225         bool "4kB"
2095           The address to load compressed kern !! 2226         depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
                                                   >> 2227         help
                                                   >> 2228           This option select the standard 4kB Linux page size.  On some
                                                   >> 2229           R3000-family processors this is the only available page size.  Using
                                                   >> 2230           4kB page size will minimize memory consumption and is therefore
                                                   >> 2231           recommended for low memory systems.
                                                   >> 2232 
                                                   >> 2233 config PAGE_SIZE_8KB
                                                   >> 2234         bool "8kB"
                                                   >> 2235         depends on CPU_CAVIUM_OCTEON
                                                   >> 2236         depends on !MIPS_VA_BITS_48
                                                   >> 2237         help
                                                   >> 2238           Using 8kB page size will result in higher performance kernel at
                                                   >> 2239           the price of higher memory consumption.  This option is available
                                                   >> 2240           only on cnMIPS processors.  Note that you will need a suitable Linux
                                                   >> 2241           distribution to support this.
                                                   >> 2242 
                                                   >> 2243 config PAGE_SIZE_16KB
                                                   >> 2244         bool "16kB"
                                                   >> 2245         depends on !CPU_R3000 && !CPU_TX39XX
                                                   >> 2246         help
                                                   >> 2247           Using 16kB page size will result in higher performance kernel at
                                                   >> 2248           the price of higher memory consumption.  This option is available on
                                                   >> 2249           all non-R3000 family processors.  Note that you will need a suitable
                                                   >> 2250           Linux distribution to support this.
                                                   >> 2251 
                                                   >> 2252 config PAGE_SIZE_32KB
                                                   >> 2253         bool "32kB"
                                                   >> 2254         depends on CPU_CAVIUM_OCTEON
                                                   >> 2255         depends on !MIPS_VA_BITS_48
                                                   >> 2256         help
                                                   >> 2257           Using 32kB page size will result in higher performance kernel at
                                                   >> 2258           the price of higher memory consumption.  This option is available
                                                   >> 2259           only on cnMIPS cores.  Note that you will need a suitable Linux
                                                   >> 2260           distribution to support this.
                                                   >> 2261 
                                                   >> 2262 config PAGE_SIZE_64KB
                                                   >> 2263         bool "64kB"
                                                   >> 2264         depends on !CPU_R3000 && !CPU_TX39XX
                                                   >> 2265         help
                                                   >> 2266           Using 64kB page size will result in higher performance kernel at
                                                   >> 2267           the price of higher memory consumption.  This option is available on
                                                   >> 2268           all non-R3000 family processor.  Not that at the time of this
                                                   >> 2269           writing this option is still high experimental.
2096                                                  2270 
2097           This is only used if non-zero.      !! 2271 endchoice
2098                                                  2272 
2099 config ARCH_FORCE_MAX_ORDER                   !! 2273 config FORCE_MAX_ZONEORDER
2100         int "Maximum zone order"                 2274         int "Maximum zone order"
2101         default "13" if MIPS_HUGE_TLB_SUPPORT !! 2275         range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102         default "12" if MIPS_HUGE_TLB_SUPPORT !! 2276         default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103         default "11" if MIPS_HUGE_TLB_SUPPORT !! 2277         range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104         default "10"                          !! 2278         default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
                                                   >> 2279         range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
                                                   >> 2280         default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
                                                   >> 2281         range 11 64
                                                   >> 2282         default "11"
2105         help                                     2283         help
2106           The kernel memory allocator divides    2284           The kernel memory allocator divides physically contiguous memory
2107           blocks into "zones", where each zon    2285           blocks into "zones", where each zone is a power of two number of
2108           pages.  This option selects the lar    2286           pages.  This option selects the largest power of two that the kernel
2109           keeps in the memory allocator.  If     2287           keeps in the memory allocator.  If you need to allocate very large
2110           blocks of physically contiguous mem    2288           blocks of physically contiguous memory, then you may need to
2111           increase this value.                   2289           increase this value.
2112                                                  2290 
                                                   >> 2291           This config option is actually maximum order plus one. For example,
                                                   >> 2292           a value of 11 means that the largest free memory block is 2^10 pages.
                                                   >> 2293 
2113           The page size is not necessarily 4K    2294           The page size is not necessarily 4KB.  Keep this in mind
2114           when choosing a value for this opti    2295           when choosing a value for this option.
2115                                                  2296 
2116 config BOARD_SCACHE                              2297 config BOARD_SCACHE
2117         bool                                     2298         bool
2118                                                  2299 
2119 config IP22_CPU_SCACHE                           2300 config IP22_CPU_SCACHE
2120         bool                                     2301         bool
2121         select BOARD_SCACHE                      2302         select BOARD_SCACHE
2122                                                  2303 
2123 #                                                2304 #
2124 # Support for a MIPS32 / MIPS64 style S-cache    2305 # Support for a MIPS32 / MIPS64 style S-caches
2125 #                                                2306 #
2126 config MIPS_CPU_SCACHE                           2307 config MIPS_CPU_SCACHE
2127         bool                                     2308         bool
2128         select BOARD_SCACHE                      2309         select BOARD_SCACHE
2129                                                  2310 
2130 config R5000_CPU_SCACHE                          2311 config R5000_CPU_SCACHE
2131         bool                                     2312         bool
2132         select BOARD_SCACHE                      2313         select BOARD_SCACHE
2133                                                  2314 
2134 config RM7000_CPU_SCACHE                         2315 config RM7000_CPU_SCACHE
2135         bool                                     2316         bool
2136         select BOARD_SCACHE                      2317         select BOARD_SCACHE
2137                                                  2318 
2138 config SIBYTE_DMA_PAGEOPS                        2319 config SIBYTE_DMA_PAGEOPS
2139         bool "Use DMA to clear/copy pages"       2320         bool "Use DMA to clear/copy pages"
2140         depends on CPU_SB1                       2321         depends on CPU_SB1
2141         help                                     2322         help
2142           Instead of using the CPU to zero an    2323           Instead of using the CPU to zero and copy pages, use a Data Mover
2143           channel.  These DMA channels are ot    2324           channel.  These DMA channels are otherwise unused by the standard
2144           SiByte Linux port.  Seems to give a    2325           SiByte Linux port.  Seems to give a small performance benefit.
2145                                                  2326 
2146 config CPU_HAS_PREFETCH                          2327 config CPU_HAS_PREFETCH
2147         bool                                     2328         bool
2148                                                  2329 
2149 config CPU_GENERIC_DUMP_TLB                      2330 config CPU_GENERIC_DUMP_TLB
2150         bool                                     2331         bool
2151         default y if !CPU_R3000               !! 2332         default y if !(CPU_R3000 || CPU_TX39XX)
2152                                                  2333 
2153 config MIPS_FP_SUPPORT                           2334 config MIPS_FP_SUPPORT
2154         bool "Floating Point support" if EXPE    2335         bool "Floating Point support" if EXPERT
2155         default y                                2336         default y
2156         help                                     2337         help
2157           Select y to include support for flo    2338           Select y to include support for floating point in the kernel
2158           including initialization of FPU har    2339           including initialization of FPU hardware, FP context save & restore
2159           and emulation of an FPU where neces    2340           and emulation of an FPU where necessary. Without this support any
2160           userland program attempting to use     2341           userland program attempting to use floating point instructions will
2161           receive a SIGILL.                      2342           receive a SIGILL.
2162                                                  2343 
2163           If you know that your userland will    2344           If you know that your userland will not attempt to use floating point
2164           instructions then you can say n her    2345           instructions then you can say n here to shrink the kernel a little.
2165                                                  2346 
2166           If unsure, say y.                      2347           If unsure, say y.
2167                                                  2348 
2168 config CPU_R2300_FPU                             2349 config CPU_R2300_FPU
2169         bool                                     2350         bool
2170         depends on MIPS_FP_SUPPORT               2351         depends on MIPS_FP_SUPPORT
2171         default y if CPU_R3000                !! 2352         default y if CPU_R3000 || CPU_TX39XX
2172                                                  2353 
2173 config CPU_R3K_TLB                               2354 config CPU_R3K_TLB
2174         bool                                     2355         bool
2175                                                  2356 
2176 config CPU_R4K_FPU                               2357 config CPU_R4K_FPU
2177         bool                                     2358         bool
2178         depends on MIPS_FP_SUPPORT               2359         depends on MIPS_FP_SUPPORT
2179         default y if !CPU_R2300_FPU              2360         default y if !CPU_R2300_FPU
2180                                                  2361 
2181 config CPU_R4K_CACHE_TLB                         2362 config CPU_R4K_CACHE_TLB
2182         bool                                     2363         bool
2183         default y if !(CPU_R3K_TLB || CPU_SB1    2364         default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184                                                  2365 
2185 config MIPS_MT_SMP                               2366 config MIPS_MT_SMP
2186         bool "MIPS MT SMP support (1 TC on ea    2367         bool "MIPS MT SMP support (1 TC on each available VPE)"
2187         default y                                2368         default y
2188         depends on TARGET_ISA_REV > 0 && TARG !! 2369         depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189         depends on SYS_SUPPORTS_MULTITHREADIN << 
2190         select CPU_MIPSR2_IRQ_VI                 2370         select CPU_MIPSR2_IRQ_VI
2191         select CPU_MIPSR2_IRQ_EI                 2371         select CPU_MIPSR2_IRQ_EI
2192         select SYNC_R4K                          2372         select SYNC_R4K
2193         select MIPS_MT                           2373         select MIPS_MT
2194         select SMP                               2374         select SMP
2195         select SMP_UP                            2375         select SMP_UP
2196         select SYS_SUPPORTS_SMP                  2376         select SYS_SUPPORTS_SMP
2197         select SYS_SUPPORTS_SCHED_SMT            2377         select SYS_SUPPORTS_SCHED_SMT
2198         select MIPS_PERF_SHARED_TC_COUNTERS      2378         select MIPS_PERF_SHARED_TC_COUNTERS
2199         help                                     2379         help
2200           This is a kernel model which is kno    2380           This is a kernel model which is known as SMVP. This is supported
2201           on cores with the MT ASE and uses t    2381           on cores with the MT ASE and uses the available VPEs to implement
2202           virtual processors which supports S    2382           virtual processors which supports SMP. This is equivalent to the
2203           Intel Hyperthreading feature. For f    2383           Intel Hyperthreading feature. For further information go to
2204           <http://www.imgtec.com/mips/mips-mu    2384           <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205                                                  2385 
2206 config MIPS_MT                                   2386 config MIPS_MT
2207         bool                                     2387         bool
2208                                                  2388 
2209 config SCHED_SMT                                 2389 config SCHED_SMT
2210         bool "SMT (multithreading) scheduler     2390         bool "SMT (multithreading) scheduler support"
2211         depends on SYS_SUPPORTS_SCHED_SMT        2391         depends on SYS_SUPPORTS_SCHED_SMT
2212         default n                                2392         default n
2213         help                                     2393         help
2214           SMT scheduler support improves the     2394           SMT scheduler support improves the CPU scheduler's decision making
2215           when dealing with MIPS MT enabled c    2395           when dealing with MIPS MT enabled cores at a cost of slightly
2216           increased overhead in some places.     2396           increased overhead in some places. If unsure say N here.
2217                                                  2397 
2218 config SYS_SUPPORTS_SCHED_SMT                    2398 config SYS_SUPPORTS_SCHED_SMT
2219         bool                                     2399         bool
2220                                                  2400 
2221 config SYS_SUPPORTS_MULTITHREADING               2401 config SYS_SUPPORTS_MULTITHREADING
2222         bool                                     2402         bool
2223                                                  2403 
2224 config MIPS_MT_FPAFF                             2404 config MIPS_MT_FPAFF
2225         bool "Dynamic FPU affinity for FP-int    2405         bool "Dynamic FPU affinity for FP-intensive threads"
2226         default y                                2406         default y
2227         depends on MIPS_MT_SMP                   2407         depends on MIPS_MT_SMP
2228                                                  2408 
2229 config MIPSR2_TO_R6_EMULATOR                     2409 config MIPSR2_TO_R6_EMULATOR
2230         bool "MIPS R2-to-R6 emulator"            2410         bool "MIPS R2-to-R6 emulator"
2231         depends on CPU_MIPSR6                    2411         depends on CPU_MIPSR6
2232         depends on MIPS_FP_SUPPORT               2412         depends on MIPS_FP_SUPPORT
2233         default y                                2413         default y
2234         help                                     2414         help
2235           Choose this option if you want to r    2415           Choose this option if you want to run non-R6 MIPS userland code.
2236           Even if you say 'Y' here, the emula    2416           Even if you say 'Y' here, the emulator will still be disabled by
2237           default. You can enable it using th    2417           default. You can enable it using the 'mipsr2emu' kernel option.
2238           The only reason this is a build-tim    2418           The only reason this is a build-time option is to save ~14K from the
2239           final kernel image.                    2419           final kernel image.
2240                                                  2420 
2241 config SYS_SUPPORTS_VPE_LOADER                   2421 config SYS_SUPPORTS_VPE_LOADER
2242         bool                                     2422         bool
2243         depends on SYS_SUPPORTS_MULTITHREADIN    2423         depends on SYS_SUPPORTS_MULTITHREADING
2244         help                                     2424         help
2245           Indicates that the platform support    2425           Indicates that the platform supports the VPE loader, and provides
2246           physical_memsize.                      2426           physical_memsize.
2247                                                  2427 
2248 config MIPS_VPE_LOADER                           2428 config MIPS_VPE_LOADER
2249         bool "VPE loader support."               2429         bool "VPE loader support."
2250         depends on SYS_SUPPORTS_VPE_LOADER &&    2430         depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251         select CPU_MIPSR2_IRQ_VI                 2431         select CPU_MIPSR2_IRQ_VI
2252         select CPU_MIPSR2_IRQ_EI                 2432         select CPU_MIPSR2_IRQ_EI
2253         select MIPS_MT                           2433         select MIPS_MT
2254         help                                     2434         help
2255           Includes a loader for loading an el    2435           Includes a loader for loading an elf relocatable object
2256           onto another VPE and running it.       2436           onto another VPE and running it.
2257                                                  2437 
                                                   >> 2438 config MIPS_VPE_LOADER_CMP
                                                   >> 2439         bool
                                                   >> 2440         default "y"
                                                   >> 2441         depends on MIPS_VPE_LOADER && MIPS_CMP
                                                   >> 2442 
2258 config MIPS_VPE_LOADER_MT                        2443 config MIPS_VPE_LOADER_MT
2259         bool                                     2444         bool
2260         default "y"                              2445         default "y"
2261         depends on MIPS_VPE_LOADER            !! 2446         depends on MIPS_VPE_LOADER && !MIPS_CMP
2262                                                  2447 
2263 config MIPS_VPE_LOADER_TOM                       2448 config MIPS_VPE_LOADER_TOM
2264         bool "Load VPE program into memory hi    2449         bool "Load VPE program into memory hidden from linux"
2265         depends on MIPS_VPE_LOADER               2450         depends on MIPS_VPE_LOADER
2266         default y                                2451         default y
2267         help                                     2452         help
2268           The loader can use memory that is p    2453           The loader can use memory that is present but has been hidden from
2269           Linux using the kernel command line    2454           Linux using the kernel command line option "mem=xxMB". It's up to
2270           you to ensure the amount you put in    2455           you to ensure the amount you put in the option and the space your
2271           program requires is less or equal t    2456           program requires is less or equal to the amount physically present.
2272                                                  2457 
2273 config MIPS_VPE_APSP_API                         2458 config MIPS_VPE_APSP_API
2274         bool "Enable support for AP/SP API (R    2459         bool "Enable support for AP/SP API (RTLX)"
2275         depends on MIPS_VPE_LOADER               2460         depends on MIPS_VPE_LOADER
2276                                                  2461 
                                                   >> 2462 config MIPS_VPE_APSP_API_CMP
                                                   >> 2463         bool
                                                   >> 2464         default "y"
                                                   >> 2465         depends on MIPS_VPE_APSP_API && MIPS_CMP
                                                   >> 2466 
2277 config MIPS_VPE_APSP_API_MT                      2467 config MIPS_VPE_APSP_API_MT
2278         bool                                     2468         bool
2279         default "y"                              2469         default "y"
2280         depends on MIPS_VPE_APSP_API          !! 2470         depends on MIPS_VPE_APSP_API && !MIPS_CMP
                                                   >> 2471 
                                                   >> 2472 config MIPS_CMP
                                                   >> 2473         bool "MIPS CMP framework support (DEPRECATED)"
                                                   >> 2474         depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
                                                   >> 2475         select SMP
                                                   >> 2476         select SYNC_R4K
                                                   >> 2477         select SYS_SUPPORTS_SMP
                                                   >> 2478         select WEAK_ORDERING
                                                   >> 2479         default n
                                                   >> 2480         help
                                                   >> 2481           Select this if you are using a bootloader which implements the "CMP
                                                   >> 2482           framework" protocol (ie. YAMON) and want your kernel to make use of
                                                   >> 2483           its ability to start secondary CPUs.
                                                   >> 2484 
                                                   >> 2485           Unless you have a specific need, you should use CONFIG_MIPS_CPS
                                                   >> 2486           instead of this.
2281                                                  2487 
2282 config MIPS_CPS                                  2488 config MIPS_CPS
2283         bool "MIPS Coherent Processing System    2489         bool "MIPS Coherent Processing System support"
2284         depends on SYS_SUPPORTS_MIPS_CPS         2490         depends on SYS_SUPPORTS_MIPS_CPS
2285         select MIPS_CM                           2491         select MIPS_CM
2286         select MIPS_CPS_PM if HOTPLUG_CPU        2492         select MIPS_CPS_PM if HOTPLUG_CPU
2287         select SMP                               2493         select SMP
2288         select HOTPLUG_CORE_SYNC_DEAD if HOTP << 
2289         select SYNC_R4K if (CEVT_R4K || CSRC_    2494         select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290         select SYS_SUPPORTS_HOTPLUG_CPU          2495         select SYS_SUPPORTS_HOTPLUG_CPU
2291         select SYS_SUPPORTS_SCHED_SMT if CPU_    2496         select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292         select SYS_SUPPORTS_SMP                  2497         select SYS_SUPPORTS_SMP
2293         select WEAK_ORDERING                     2498         select WEAK_ORDERING
2294         select GENERIC_IRQ_MIGRATION if HOTPL << 
2295         help                                     2499         help
2296           Select this if you wish to run an S    2500           Select this if you wish to run an SMP kernel across multiple cores
2297           within a MIPS Coherent Processing S    2501           within a MIPS Coherent Processing System. When this option is
2298           enabled the kernel will probe for o    2502           enabled the kernel will probe for other cores and boot them with
2299           no external assistance. It is safe     2503           no external assistance. It is safe to enable this when hardware
2300           support is unavailable.                2504           support is unavailable.
2301                                                  2505 
2302 config MIPS_CPS_PM                               2506 config MIPS_CPS_PM
2303         depends on MIPS_CPS                      2507         depends on MIPS_CPS
2304         bool                                     2508         bool
2305                                                  2509 
2306 config MIPS_CM                                   2510 config MIPS_CM
2307         bool                                     2511         bool
2308         select MIPS_CPC                          2512         select MIPS_CPC
2309                                                  2513 
2310 config MIPS_CPC                                  2514 config MIPS_CPC
2311         bool                                     2515         bool
2312                                                  2516 
2313 config SB1_PASS_2_WORKAROUNDS                    2517 config SB1_PASS_2_WORKAROUNDS
2314         bool                                     2518         bool
2315         depends on CPU_SB1 && (CPU_SB1_PASS_2    2519         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316         default y                                2520         default y
2317                                                  2521 
2318 config SB1_PASS_2_1_WORKAROUNDS                  2522 config SB1_PASS_2_1_WORKAROUNDS
2319         bool                                     2523         bool
2320         depends on CPU_SB1 && CPU_SB1_PASS_2     2524         depends on CPU_SB1 && CPU_SB1_PASS_2
2321         default y                                2525         default y
2322                                                  2526 
2323 choice                                           2527 choice
2324         prompt "SmartMIPS or microMIPS ASE su    2528         prompt "SmartMIPS or microMIPS ASE support"
2325                                                  2529 
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS       2530 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327         bool "None"                              2531         bool "None"
2328         help                                     2532         help
2329           Select this if you want neither mic    2533           Select this if you want neither microMIPS nor SmartMIPS support
2330                                                  2534 
2331 config CPU_HAS_SMARTMIPS                         2535 config CPU_HAS_SMARTMIPS
2332         depends on SYS_SUPPORTS_SMARTMIPS        2536         depends on SYS_SUPPORTS_SMARTMIPS
2333         bool "SmartMIPS"                         2537         bool "SmartMIPS"
2334         help                                     2538         help
2335           SmartMIPS is a extension of the MIP    2539           SmartMIPS is a extension of the MIPS32 architecture aimed at
2336           increased security at both hardware    2540           increased security at both hardware and software level for
2337           smartcards.  Enabling this option w    2541           smartcards.  Enabling this option will allow proper use of the
2338           SmartMIPS instructions by Linux app    2542           SmartMIPS instructions by Linux applications.  However a kernel with
2339           this option will not work on a MIPS    2543           this option will not work on a MIPS core without SmartMIPS core.  If
2340           you don't know you probably don't h    2544           you don't know you probably don't have SmartMIPS and should say N
2341           here.                                  2545           here.
2342                                                  2546 
2343 config CPU_MICROMIPS                             2547 config CPU_MICROMIPS
2344         depends on 32BIT && SYS_SUPPORTS_MICR    2548         depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345         bool "microMIPS"                         2549         bool "microMIPS"
2346         help                                     2550         help
2347           When this option is enabled the ker    2551           When this option is enabled the kernel will be built using the
2348           microMIPS ISA                          2552           microMIPS ISA
2349                                                  2553 
2350 endchoice                                        2554 endchoice
2351                                                  2555 
2352 config CPU_HAS_MSA                               2556 config CPU_HAS_MSA
2353         bool "Support for the MIPS SIMD Archi    2557         bool "Support for the MIPS SIMD Architecture"
2354         depends on CPU_SUPPORTS_MSA              2558         depends on CPU_SUPPORTS_MSA
2355         depends on MIPS_FP_SUPPORT               2559         depends on MIPS_FP_SUPPORT
2356         depends on 64BIT || MIPS_O32_FP64_SUP    2560         depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357         help                                     2561         help
2358           MIPS SIMD Architecture (MSA) introd    2562           MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359           and a set of SIMD instructions to o    2563           and a set of SIMD instructions to operate on them. When this option
2360           is enabled the kernel will support     2564           is enabled the kernel will support allocating & switching MSA
2361           vector register contexts. If you kn    2565           vector register contexts. If you know that your kernel will only be
2362           running on CPUs which do not suppor    2566           running on CPUs which do not support MSA or that your userland will
2363           not be making use of it then you ma    2567           not be making use of it then you may wish to say N here to reduce
2364           the size & complexity of your kerne    2568           the size & complexity of your kernel.
2365                                                  2569 
2366           If unsure, say Y.                      2570           If unsure, say Y.
2367                                                  2571 
2368 config CPU_HAS_WB                                2572 config CPU_HAS_WB
2369         bool                                     2573         bool
2370                                                  2574 
2371 config XKS01                                     2575 config XKS01
2372         bool                                     2576         bool
2373                                                  2577 
2374 config CPU_HAS_DIEI                           << 
2375         depends on !CPU_DIEI_BROKEN           << 
2376         bool                                  << 
2377                                               << 
2378 config CPU_DIEI_BROKEN                        << 
2379         bool                                  << 
2380                                               << 
2381 config CPU_HAS_RIXI                              2578 config CPU_HAS_RIXI
2382         bool                                     2579         bool
2383                                                  2580 
2384 config CPU_NO_LOAD_STORE_LR                   !! 2581 config CPU_HAS_LOAD_STORE_LR
2385         bool                                     2582         bool
2386         help                                     2583         help
2387           CPU lacks support for unaligned loa !! 2584           CPU has support for unaligned load and store instructions:
2388           LWL, LWR, SWL, SWR (Load/store word    2585           LWL, LWR, SWL, SWR (Load/store word left/right).
2389           LDL, LDR, SDL, SDR (Load/store doub !! 2586           LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2390           systems).                           << 
2391                                                  2587 
2392 #                                                2588 #
2393 # Vectored interrupt mode is an R2 feature       2589 # Vectored interrupt mode is an R2 feature
2394 #                                                2590 #
2395 config CPU_MIPSR2_IRQ_VI                         2591 config CPU_MIPSR2_IRQ_VI
2396         bool                                     2592         bool
2397                                                  2593 
2398 #                                                2594 #
2399 # Extended interrupt mode is an R2 feature       2595 # Extended interrupt mode is an R2 feature
2400 #                                                2596 #
2401 config CPU_MIPSR2_IRQ_EI                         2597 config CPU_MIPSR2_IRQ_EI
2402         bool                                     2598         bool
2403                                                  2599 
2404 config CPU_HAS_SYNC                              2600 config CPU_HAS_SYNC
2405         bool                                     2601         bool
2406         depends on !CPU_R3000                    2602         depends on !CPU_R3000
2407         default y                                2603         default y
2408                                                  2604 
2409 #                                                2605 #
2410 # CPU non-features                               2606 # CPU non-features
2411 #                                                2607 #
2412                                               << 
2413 # Work around the "daddi" and "daddiu" CPU er << 
2414 #                                             << 
2415 # - The `daddi' instruction fails to trap on  << 
2416 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2417 #   erratum #23                               << 
2418 #                                             << 
2419 # - The `daddiu' instruction can produce an i << 
2420 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2421 #   erratum #41                               << 
2422 #   "MIPS R4000MC Errata, Processor Revision  << 
2423 #   #15                                       << 
2424 #   "MIPS R4400PC/SC Errata, Processor Revisi << 
2425 #   "MIPS R4400MC Errata, Processor Revision  << 
2426 config CPU_DADDI_WORKAROUNDS                     2608 config CPU_DADDI_WORKAROUNDS
2427         bool                                     2609         bool
2428                                                  2610 
2429 # Work around certain R4000 CPU errata (as im << 
2430 #                                             << 
2431 # - A double-word or a variable shift may giv << 
2432 #   if executed immediately after starting an << 
2433 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2434 #   erratum #28                               << 
2435 #   "MIPS R4000MC Errata, Processor Revision  << 
2436 #   #19                                       << 
2437 #                                             << 
2438 # - A double-word or a variable shift may giv << 
2439 #   if executed while an integer multiplicati << 
2440 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2441 #   errata #16 & #28                          << 
2442 #                                             << 
2443 # - An integer division may give an incorrect << 
2444 #   a delay slot of a taken branch or a jump: << 
2445 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2446 #   erratum #52                               << 
2447 config CPU_R4000_WORKAROUNDS                     2611 config CPU_R4000_WORKAROUNDS
2448         bool                                     2612         bool
2449         select CPU_R4400_WORKAROUNDS             2613         select CPU_R4400_WORKAROUNDS
2450                                                  2614 
2451 # Work around certain R4400 CPU errata (as im << 
2452 #                                             << 
2453 # - A double-word or a variable shift may giv << 
2454 #   if executed immediately after starting an << 
2455 #   "MIPS R4400MC Errata, Processor Revision  << 
2456 #   "MIPS R4400MC Errata, Processor Revision  << 
2457 config CPU_R4400_WORKAROUNDS                     2615 config CPU_R4400_WORKAROUNDS
2458         bool                                     2616         bool
2459                                                  2617 
2460 config CPU_R4X00_BUGS64                          2618 config CPU_R4X00_BUGS64
2461         bool                                     2619         bool
2462         default y if SYS_HAS_CPU_R4X00 && 64B    2620         default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463                                                  2621 
2464 config MIPS_ASID_SHIFT                           2622 config MIPS_ASID_SHIFT
2465         int                                      2623         int
2466         default 6 if CPU_R3000                !! 2624         default 6 if CPU_R3000 || CPU_TX39XX
2467         default 0                                2625         default 0
2468                                                  2626 
2469 config MIPS_ASID_BITS                            2627 config MIPS_ASID_BITS
2470         int                                      2628         int
2471         default 0 if MIPS_ASID_BITS_VARIABLE     2629         default 0 if MIPS_ASID_BITS_VARIABLE
2472         default 6 if CPU_R3000                !! 2630         default 6 if CPU_R3000 || CPU_TX39XX
2473         default 8                                2631         default 8
2474                                                  2632 
2475 config MIPS_ASID_BITS_VARIABLE                   2633 config MIPS_ASID_BITS_VARIABLE
2476         bool                                     2634         bool
2477                                                  2635 
2478 config MIPS_CRC_SUPPORT                          2636 config MIPS_CRC_SUPPORT
2479         bool                                     2637         bool
2480                                                  2638 
2481 # R4600 erratum.  Due to the lack of errata i << 
2482 # technical details aren't known.  I've exper << 
2483 # interrupts during indexed I-cache flushes s << 
2484 # with the issue.                             << 
2485 config WAR_R4600_V1_INDEX_ICACHEOP            << 
2486         bool                                  << 
2487                                               << 
2488 # Pleasures of the R4600 V1.x.  Cite from the << 
2489 #                                             << 
2490 #  18. The CACHE instructions Hit_Writeback_I << 
2491 #      Hit_Invalidate_D and Create_Dirty_Excl << 
2492 #      executed if there is no other dcache a << 
2493 #      accessed for another instruction immed << 
2494 #      cache instructions are executing, it i << 
2495 #      tag match outputs used by these cache  << 
2496 #      incorrect. These cache instructions sh << 
2497 #      four instructions that are not any kin << 
2498 #      instruction.                           << 
2499 #                                             << 
2500 #      This is not allowed:    lw             << 
2501 #                              nop            << 
2502 #                              nop            << 
2503 #                              nop            << 
2504 #                              cache       Hi << 
2505 #                                             << 
2506 #      This is allowed:        lw             << 
2507 #                              nop            << 
2508 #                              nop            << 
2509 #                              nop            << 
2510 #                              nop            << 
2511 #                              cache       Hi << 
2512 config WAR_R4600_V1_HIT_CACHEOP               << 
2513         bool                                  << 
2514                                               << 
2515 # Writeback and invalidate the primary cache  << 
2516 #                                             << 
2517 # R4600 v2.0 bug: "The CACHE instructions Hit << 
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat << 
2519 # operate correctly if the internal data cach << 
2520 # CACHE instructions should be separated from << 
2521 # by a load instruction to an uncached addres << 
2522 # (Revision 2.0 device errata from IDT availa << 
2523 # in .pdf format.)                            << 
2524 config WAR_R4600_V2_HIT_CACHEOP               << 
2525         bool                                  << 
2526                                               << 
2527 # From TX49/H2 manual: "If the instruction (i << 
2528 # the line which this instruction itself exis << 
2529 # operation is not guaranteed."               << 
2530 #                                             << 
2531 # Workaround: do two phase flushing for Index << 
2532 config WAR_TX49XX_ICACHE_INDEX_INV            << 
2533         bool                                  << 
2534                                               << 
2535 # The RM7000 processors and the E9000 cores h << 
2536 # opposes it being called that) where invalid << 
2537 # I-cache line worth of instructions being fe << 
2538 # exceptions.                                 << 
2539 config WAR_ICACHE_REFILLS                     << 
2540         bool                                  << 
2541                                               << 
2542 # On the R10000 up to version 2.6 (not sure a << 
2543 # may cause ll / sc and lld / scd sequences t << 
2544 config WAR_R10000_LLSC                        << 
2545         bool                                  << 
2546                                               << 
2547 # 34K core erratum: "Problems Executing the T << 
2548 config WAR_MIPS34K_MISSED_ITLB                << 
2549         bool                                  << 
2550                                               << 
2551 #                                                2639 #
2552 # - Highmem only makes sense for the 32-bit k    2640 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p    2641 # - The current highmem code will only work properly on physically indexed
2554 #   caches such as R3000, SB1, R7000 or those    2642 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 #   indexed such as R4000/R4400 SC and MC ver    2643 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2556 #   moment we protect the user and offer the     2644 #   moment we protect the user and offer the highmem option only on machines
2557 #   where it's known to be safe.  This will n    2645 #   where it's known to be safe.  This will not offer highmem on a few systems
2558 #   such as MIPS32 and MIPS64 CPUs which may     2646 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 #   indexed CPUs but we're playing safe.         2647 #   indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high    2648 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 #   know they might have memory configuration    2649 #   know they might have memory configurations that could make use of highmem
2562 #   support.                                     2650 #   support.
2563 #                                                2651 #
2564 config HIGHMEM                                   2652 config HIGHMEM
2565         bool "High Memory Support"               2653         bool "High Memory Support"
2566         depends on 32BIT && CPU_SUPPORTS_HIGH    2654         depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567         select KMAP_LOCAL                     << 
2568                                                  2655 
2569 config CPU_SUPPORTS_HIGHMEM                      2656 config CPU_SUPPORTS_HIGHMEM
2570         bool                                     2657         bool
2571                                                  2658 
2572 config SYS_SUPPORTS_HIGHMEM                      2659 config SYS_SUPPORTS_HIGHMEM
2573         bool                                     2660         bool
2574                                                  2661 
2575 config SYS_SUPPORTS_SMARTMIPS                    2662 config SYS_SUPPORTS_SMARTMIPS
2576         bool                                     2663         bool
2577                                                  2664 
2578 config SYS_SUPPORTS_MICROMIPS                    2665 config SYS_SUPPORTS_MICROMIPS
2579         bool                                     2666         bool
2580                                                  2667 
2581 config SYS_SUPPORTS_MIPS16                       2668 config SYS_SUPPORTS_MIPS16
2582         bool                                     2669         bool
2583         help                                     2670         help
2584           This option must be set if a kernel    2671           This option must be set if a kernel might be executed on a MIPS16-
2585           enabled CPU even if MIPS16 is not a    2672           enabled CPU even if MIPS16 is not actually being used.  In other
2586           words, it makes the kernel MIPS16-t    2673           words, it makes the kernel MIPS16-tolerant.
2587                                                  2674 
2588 config CPU_SUPPORTS_MSA                          2675 config CPU_SUPPORTS_MSA
2589         bool                                     2676         bool
2590                                                  2677 
2591 config ARCH_FLATMEM_ENABLE                       2678 config ARCH_FLATMEM_ENABLE
2592         def_bool y                               2679         def_bool y
2593         depends on !NUMA && !CPU_LOONGSON2EF     2680         depends on !NUMA && !CPU_LOONGSON2EF
2594                                                  2681 
2595 config ARCH_SPARSEMEM_ENABLE                     2682 config ARCH_SPARSEMEM_ENABLE
2596         bool                                     2683         bool
                                                   >> 2684         select SPARSEMEM_STATIC if !SGI_IP27
2597                                                  2685 
2598 config NUMA                                      2686 config NUMA
2599         bool "NUMA Support"                      2687         bool "NUMA Support"
2600         depends on SYS_SUPPORTS_NUMA             2688         depends on SYS_SUPPORTS_NUMA
2601         select SMP                            << 
2602         select HAVE_SETUP_PER_CPU_AREA        << 
2603         select NEED_PER_CPU_EMBED_FIRST_CHUNK << 
2604         help                                     2689         help
2605           Say Y to compile the kernel to supp    2690           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606           Access).  This option improves perf    2691           Access).  This option improves performance on systems with more
2607           than two nodes; on two node systems    2692           than two nodes; on two node systems it is generally better to
2608           leave it disabled; on single node s !! 2693           leave it disabled; on single node systems disable this option
2609           disabled.                              2694           disabled.
2610                                                  2695 
2611 config SYS_SUPPORTS_NUMA                         2696 config SYS_SUPPORTS_NUMA
2612         bool                                     2697         bool
2613                                                  2698 
2614 config RELOCATABLE                               2699 config RELOCATABLE
2615         bool "Relocatable kernel"                2700         bool "Relocatable kernel"
2616         depends on SYS_SUPPORTS_RELOCATABLE   !! 2701         depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
2617         depends on CPU_MIPS32_R2 || CPU_MIPS6 << 
2618                    CPU_MIPS32_R5 || CPU_MIPS6 << 
2619                    CPU_MIPS32_R6 || CPU_MIPS6 << 
2620                    CPU_P5600 || CAVIUM_OCTEON << 
2621                    CPU_LOONGSON64             << 
2622         help                                     2702         help
2623           This builds a kernel image that ret    2703           This builds a kernel image that retains relocation information
2624           so it can be loaded someplace besid    2704           so it can be loaded someplace besides the default 1MB.
2625           The relocations make the kernel bin    2705           The relocations make the kernel binary about 15% larger,
2626           but are discarded at runtime           2706           but are discarded at runtime
2627                                                  2707 
2628 config RELOCATION_TABLE_SIZE                     2708 config RELOCATION_TABLE_SIZE
2629         hex "Relocation table size"              2709         hex "Relocation table size"
2630         depends on RELOCATABLE                   2710         depends on RELOCATABLE
2631         range 0x0 0x01000000                     2711         range 0x0 0x01000000
2632         default "0x00200000" if CPU_LOONGSON6 << 
2633         default "0x00100000"                     2712         default "0x00100000"
2634         help                                  !! 2713         ---help---
2635           A table of relocation data will be     2714           A table of relocation data will be appended to the kernel binary
2636           and parsed at boot to fix up the re    2715           and parsed at boot to fix up the relocated kernel.
2637                                                  2716 
2638           This option allows the amount of sp    2717           This option allows the amount of space reserved for the table to be
2639           adjusted, although the default of 1    2718           adjusted, although the default of 1Mb should be ok in most cases.
2640                                                  2719 
2641           The build will fail and a valid siz    2720           The build will fail and a valid size suggested if this is too small.
2642                                                  2721 
2643           If unsure, leave at the default val    2722           If unsure, leave at the default value.
2644                                                  2723 
2645 config RANDOMIZE_BASE                            2724 config RANDOMIZE_BASE
2646         bool "Randomize the address of the ke    2725         bool "Randomize the address of the kernel image"
2647         depends on RELOCATABLE                   2726         depends on RELOCATABLE
2648         help                                  !! 2727         ---help---
2649           Randomizes the physical and virtual    2728           Randomizes the physical and virtual address at which the
2650           kernel image is loaded, as a securi    2729           kernel image is loaded, as a security feature that
2651           deters exploit attempts relying on     2730           deters exploit attempts relying on knowledge of the location
2652           of kernel internals.                   2731           of kernel internals.
2653                                                  2732 
2654           Entropy is generated using any copr    2733           Entropy is generated using any coprocessor 0 registers available.
2655                                                  2734 
2656           The kernel will be offset by up to     2735           The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657                                                  2736 
2658           If unsure, say N.                      2737           If unsure, say N.
2659                                                  2738 
2660 config RANDOMIZE_BASE_MAX_OFFSET                 2739 config RANDOMIZE_BASE_MAX_OFFSET
2661         hex "Maximum kASLR offset" if EXPERT     2740         hex "Maximum kASLR offset" if EXPERT
2662         depends on RANDOMIZE_BASE                2741         depends on RANDOMIZE_BASE
2663         range 0x0 0x40000000 if EVA || 64BIT     2742         range 0x0 0x40000000 if EVA || 64BIT
2664         range 0x0 0x08000000                     2743         range 0x0 0x08000000
2665         default "0x01000000"                     2744         default "0x01000000"
2666         help                                  !! 2745         ---help---
2667           When kASLR is active, this provides    2746           When kASLR is active, this provides the maximum offset that will
2668           be applied to the kernel image. It     2747           be applied to the kernel image. It should be set according to the
2669           amount of physical RAM available in    2748           amount of physical RAM available in the target system minus
2670           PHYSICAL_START and must be a power     2749           PHYSICAL_START and must be a power of 2.
2671                                                  2750 
2672           This is limited by the size of KSEG    2751           This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673           EVA or 64-bit. The default is 16Mb.    2752           EVA or 64-bit. The default is 16Mb.
2674                                                  2753 
2675 config NODES_SHIFT                               2754 config NODES_SHIFT
2676         int                                      2755         int
2677         default "6"                              2756         default "6"
2678         depends on NUMA                       !! 2757         depends on NEED_MULTIPLE_NODES
2679                                                  2758 
2680 config HW_PERF_EVENTS                            2759 config HW_PERF_EVENTS
2681         bool "Enable hardware performance cou    2760         bool "Enable hardware performance counter support for perf events"
2682         depends on PERF_EVENTS && (CPU_MIPS32 !! 2761         depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683         default y                                2762         default y
2684         help                                     2763         help
2685           Enable hardware performance counter    2764           Enable hardware performance counter support for perf events. If
2686           disabled, perf events will use soft    2765           disabled, perf events will use software events only.
2687                                                  2766 
2688 config DMI                                    << 
2689         bool "Enable DMI scanning"            << 
2690         depends on MACH_LOONGSON64            << 
2691         select DMI_SCAN_MACHINE_NON_EFI_FALLB << 
2692         default y                             << 
2693         help                                  << 
2694           Enabled scanning of DMI to identify << 
2695           here unless you have verified that  << 
2696           affected by entries in the DMI blac << 
2697           BIOS code.                          << 
2698                                               << 
2699 config SMP                                       2767 config SMP
2700         bool "Multi-Processing support"          2768         bool "Multi-Processing support"
2701         depends on SYS_SUPPORTS_SMP              2769         depends on SYS_SUPPORTS_SMP
2702         help                                     2770         help
2703           This enables support for systems wi    2771           This enables support for systems with more than one CPU. If you have
2704           a system with only one CPU, say N.     2772           a system with only one CPU, say N. If you have a system with more
2705           than one CPU, say Y.                   2773           than one CPU, say Y.
2706                                                  2774 
2707           If you say N here, the kernel will     2775           If you say N here, the kernel will run on uni- and multiprocessor
2708           machines, but will use only one CPU    2776           machines, but will use only one CPU of a multiprocessor machine. If
2709           you say Y here, the kernel will run    2777           you say Y here, the kernel will run on many, but not all,
2710           uniprocessor machines. On a uniproc    2778           uniprocessor machines. On a uniprocessor machine, the kernel
2711           will run faster if you say N here.     2779           will run faster if you say N here.
2712                                                  2780 
2713           People using multiprocessor machine    2781           People using multiprocessor machines who say Y here should also say
2714           Y to "Enhanced Real Time Clock Supp    2782           Y to "Enhanced Real Time Clock Support", below.
2715                                                  2783 
2716           See also the SMP-HOWTO available at    2784           See also the SMP-HOWTO available at
2717           <https://www.tldp.org/docs.html#how !! 2785           <http://www.tldp.org/docs.html#howto>.
2718                                                  2786 
2719           If you don't know what to do here,     2787           If you don't know what to do here, say N.
2720                                                  2788 
2721 config HOTPLUG_CPU                               2789 config HOTPLUG_CPU
2722         bool "Support for hot-pluggable CPUs"    2790         bool "Support for hot-pluggable CPUs"
2723         depends on SMP && SYS_SUPPORTS_HOTPLU    2791         depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724         help                                     2792         help
2725           Say Y here to allow turning CPUs of    2793           Say Y here to allow turning CPUs off and on. CPUs can be
2726           controlled through /sys/devices/sys    2794           controlled through /sys/devices/system/cpu.
2727           (Note: power management support wil    2795           (Note: power management support will enable this option
2728             automatically on SMP systems. )      2796             automatically on SMP systems. )
2729           Say N if you want to disable CPU ho    2797           Say N if you want to disable CPU hotplug.
2730                                                  2798 
2731 config SMP_UP                                    2799 config SMP_UP
2732         bool                                     2800         bool
2733                                                  2801 
                                                   >> 2802 config SYS_SUPPORTS_MIPS_CMP
                                                   >> 2803         bool
                                                   >> 2804 
2734 config SYS_SUPPORTS_MIPS_CPS                     2805 config SYS_SUPPORTS_MIPS_CPS
2735         bool                                     2806         bool
2736                                                  2807 
2737 config SYS_SUPPORTS_SMP                          2808 config SYS_SUPPORTS_SMP
2738         bool                                     2809         bool
2739                                                  2810 
2740 config NR_CPUS_DEFAULT_4                         2811 config NR_CPUS_DEFAULT_4
2741         bool                                     2812         bool
2742                                                  2813 
2743 config NR_CPUS_DEFAULT_8                         2814 config NR_CPUS_DEFAULT_8
2744         bool                                     2815         bool
2745                                                  2816 
2746 config NR_CPUS_DEFAULT_16                        2817 config NR_CPUS_DEFAULT_16
2747         bool                                     2818         bool
2748                                                  2819 
2749 config NR_CPUS_DEFAULT_32                        2820 config NR_CPUS_DEFAULT_32
2750         bool                                     2821         bool
2751                                                  2822 
2752 config NR_CPUS_DEFAULT_64                        2823 config NR_CPUS_DEFAULT_64
2753         bool                                     2824         bool
2754                                                  2825 
2755 config NR_CPUS                                   2826 config NR_CPUS
2756         int "Maximum number of CPUs (2-256)"     2827         int "Maximum number of CPUs (2-256)"
2757         range 2 256                              2828         range 2 256
2758         depends on SMP                           2829         depends on SMP
2759         default "4" if NR_CPUS_DEFAULT_4         2830         default "4" if NR_CPUS_DEFAULT_4
2760         default "8" if NR_CPUS_DEFAULT_8         2831         default "8" if NR_CPUS_DEFAULT_8
2761         default "16" if NR_CPUS_DEFAULT_16       2832         default "16" if NR_CPUS_DEFAULT_16
2762         default "32" if NR_CPUS_DEFAULT_32       2833         default "32" if NR_CPUS_DEFAULT_32
2763         default "64" if NR_CPUS_DEFAULT_64       2834         default "64" if NR_CPUS_DEFAULT_64
2764         help                                     2835         help
2765           This allows you to specify the maxi    2836           This allows you to specify the maximum number of CPUs which this
2766           kernel will support.  The maximum s    2837           kernel will support.  The maximum supported value is 32 for 32-bit
2767           kernel and 64 for 64-bit kernels; t    2838           kernel and 64 for 64-bit kernels; the minimum value which makes
2768           sense is 1 for Qemu (useful only fo    2839           sense is 1 for Qemu (useful only for kernel debugging purposes)
2769           and 2 for all others.                  2840           and 2 for all others.
2770                                                  2841 
2771           This is purely to save memory - eac    2842           This is purely to save memory - each supported CPU adds
2772           approximately eight kilobytes to th    2843           approximately eight kilobytes to the kernel image.  For best
2773           performance should round up your nu    2844           performance should round up your number of processors to the next
2774           power of two.                          2845           power of two.
2775                                                  2846 
2776 config MIPS_PERF_SHARED_TC_COUNTERS              2847 config MIPS_PERF_SHARED_TC_COUNTERS
2777         bool                                     2848         bool
2778                                                  2849 
2779 config MIPS_NR_CPU_NR_MAP_1024                   2850 config MIPS_NR_CPU_NR_MAP_1024
2780         bool                                     2851         bool
2781                                                  2852 
2782 config MIPS_NR_CPU_NR_MAP                        2853 config MIPS_NR_CPU_NR_MAP
2783         int                                      2854         int
2784         depends on SMP                           2855         depends on SMP
2785         default 1024 if MIPS_NR_CPU_NR_MAP_10    2856         default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786         default NR_CPUS if !MIPS_NR_CPU_NR_MA    2857         default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787                                                  2858 
2788 #                                                2859 #
2789 # Timer Interrupt Frequency Configuration        2860 # Timer Interrupt Frequency Configuration
2790 #                                                2861 #
2791                                                  2862 
2792 choice                                           2863 choice
2793         prompt "Timer frequency"                 2864         prompt "Timer frequency"
2794         default HZ_250                           2865         default HZ_250
2795         help                                     2866         help
2796           Allows the configuration of the tim    2867           Allows the configuration of the timer frequency.
2797                                                  2868 
2798         config HZ_24                             2869         config HZ_24
2799                 bool "24 HZ" if SYS_SUPPORTS_    2870                 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800                                                  2871 
2801         config HZ_48                             2872         config HZ_48
2802                 bool "48 HZ" if SYS_SUPPORTS_    2873                 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803                                                  2874 
2804         config HZ_100                            2875         config HZ_100
2805                 bool "100 HZ" if SYS_SUPPORTS    2876                 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806                                                  2877 
2807         config HZ_128                            2878         config HZ_128
2808                 bool "128 HZ" if SYS_SUPPORTS    2879                 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809                                                  2880 
2810         config HZ_250                            2881         config HZ_250
2811                 bool "250 HZ" if SYS_SUPPORTS    2882                 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812                                                  2883 
2813         config HZ_256                            2884         config HZ_256
2814                 bool "256 HZ" if SYS_SUPPORTS    2885                 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815                                                  2886 
2816         config HZ_1000                           2887         config HZ_1000
2817                 bool "1000 HZ" if SYS_SUPPORT    2888                 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818                                                  2889 
2819         config HZ_1024                           2890         config HZ_1024
2820                 bool "1024 HZ" if SYS_SUPPORT    2891                 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821                                                  2892 
2822 endchoice                                        2893 endchoice
2823                                                  2894 
2824 config SYS_SUPPORTS_24HZ                         2895 config SYS_SUPPORTS_24HZ
2825         bool                                     2896         bool
2826                                                  2897 
2827 config SYS_SUPPORTS_48HZ                         2898 config SYS_SUPPORTS_48HZ
2828         bool                                     2899         bool
2829                                                  2900 
2830 config SYS_SUPPORTS_100HZ                        2901 config SYS_SUPPORTS_100HZ
2831         bool                                     2902         bool
2832                                                  2903 
2833 config SYS_SUPPORTS_128HZ                        2904 config SYS_SUPPORTS_128HZ
2834         bool                                     2905         bool
2835                                                  2906 
2836 config SYS_SUPPORTS_250HZ                        2907 config SYS_SUPPORTS_250HZ
2837         bool                                     2908         bool
2838                                                  2909 
2839 config SYS_SUPPORTS_256HZ                        2910 config SYS_SUPPORTS_256HZ
2840         bool                                     2911         bool
2841                                                  2912 
2842 config SYS_SUPPORTS_1000HZ                       2913 config SYS_SUPPORTS_1000HZ
2843         bool                                     2914         bool
2844                                                  2915 
2845 config SYS_SUPPORTS_1024HZ                       2916 config SYS_SUPPORTS_1024HZ
2846         bool                                     2917         bool
2847                                                  2918 
2848 config SYS_SUPPORTS_ARBIT_HZ                     2919 config SYS_SUPPORTS_ARBIT_HZ
2849         bool                                     2920         bool
2850         default y if !SYS_SUPPORTS_24HZ && \     2921         default y if !SYS_SUPPORTS_24HZ && \
2851                      !SYS_SUPPORTS_48HZ && \     2922                      !SYS_SUPPORTS_48HZ && \
2852                      !SYS_SUPPORTS_100HZ && \    2923                      !SYS_SUPPORTS_100HZ && \
2853                      !SYS_SUPPORTS_128HZ && \    2924                      !SYS_SUPPORTS_128HZ && \
2854                      !SYS_SUPPORTS_250HZ && \    2925                      !SYS_SUPPORTS_250HZ && \
2855                      !SYS_SUPPORTS_256HZ && \    2926                      !SYS_SUPPORTS_256HZ && \
2856                      !SYS_SUPPORTS_1000HZ &&     2927                      !SYS_SUPPORTS_1000HZ && \
2857                      !SYS_SUPPORTS_1024HZ        2928                      !SYS_SUPPORTS_1024HZ
2858                                                  2929 
2859 config HZ                                        2930 config HZ
2860         int                                      2931         int
2861         default 24 if HZ_24                      2932         default 24 if HZ_24
2862         default 48 if HZ_48                      2933         default 48 if HZ_48
2863         default 100 if HZ_100                    2934         default 100 if HZ_100
2864         default 128 if HZ_128                    2935         default 128 if HZ_128
2865         default 250 if HZ_250                    2936         default 250 if HZ_250
2866         default 256 if HZ_256                    2937         default 256 if HZ_256
2867         default 1000 if HZ_1000                  2938         default 1000 if HZ_1000
2868         default 1024 if HZ_1024                  2939         default 1024 if HZ_1024
2869                                                  2940 
2870 config SCHED_HRTICK                              2941 config SCHED_HRTICK
2871         def_bool HIGH_RES_TIMERS                 2942         def_bool HIGH_RES_TIMERS
2872                                                  2943 
2873 config ARCH_SUPPORTS_KEXEC                    !! 2944 config KEXEC
2874         def_bool y                            !! 2945         bool "Kexec system call"
2875                                               !! 2946         select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP               !! 2947         help
2877         def_bool y                            !! 2948           kexec is a system call that implements the ability to shutdown your
                                                   >> 2949           current kernel, and to start another kernel.  It is like a reboot
                                                   >> 2950           but it is independent of the system firmware.   And like a reboot
                                                   >> 2951           you can start any kernel with it, not just Linux.
                                                   >> 2952 
                                                   >> 2953           The name comes from the similarity to the exec system call.
                                                   >> 2954 
                                                   >> 2955           It is an ongoing process to be certain the hardware in a machine
                                                   >> 2956           is properly shutdown, so do not be surprised if this code does not
                                                   >> 2957           initially work for you.  As of this writing the exact hardware
                                                   >> 2958           interface is strongly in flux, so no good recommendation can be
                                                   >> 2959           made.
                                                   >> 2960 
                                                   >> 2961 config CRASH_DUMP
                                                   >> 2962         bool "Kernel crash dumps"
                                                   >> 2963         help
                                                   >> 2964           Generate crash dump after being started by kexec.
                                                   >> 2965           This should be normally only set in special crash dump kernels
                                                   >> 2966           which are loaded in the main kernel with kexec-tools into
                                                   >> 2967           a specially reserved region and then later executed after
                                                   >> 2968           a crash by kdump/kexec. The crash dump kernel must be compiled
                                                   >> 2969           to a memory address not used by the main kernel or firmware using
                                                   >> 2970           PHYSICAL_START.
2878                                                  2971 
2879 config PHYSICAL_START                            2972 config PHYSICAL_START
2880         hex "Physical address where the kerne    2973         hex "Physical address where the kernel is loaded"
2881         default "0xffffffff84000000"             2974         default "0xffffffff84000000"
2882         depends on CRASH_DUMP                    2975         depends on CRASH_DUMP
2883         help                                     2976         help
2884           This gives the CKSEG0 or KSEG0 addr    2977           This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885           If you plan to use kernel for captu    2978           If you plan to use kernel for capturing the crash dump change
2886           this value to start of the reserved    2979           this value to start of the reserved region (the "X" value as
2887           specified in the "crashkernel=YM@XM    2980           specified in the "crashkernel=YM@XM" command line boot parameter
2888           passed to the panic-ed kernel).        2981           passed to the panic-ed kernel).
2889                                                  2982 
                                                   >> 2983 config SECCOMP
                                                   >> 2984         bool "Enable seccomp to safely compute untrusted bytecode"
                                                   >> 2985         depends on PROC_FS
                                                   >> 2986         default y
                                                   >> 2987         help
                                                   >> 2988           This kernel feature is useful for number crunching applications
                                                   >> 2989           that may need to compute untrusted bytecode during their
                                                   >> 2990           execution. By using pipes or other transports made available to
                                                   >> 2991           the process as file descriptors supporting the read/write
                                                   >> 2992           syscalls, it's possible to isolate those applications in
                                                   >> 2993           their own address space using seccomp. Once seccomp is
                                                   >> 2994           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 2995           and the task is only allowed to execute a few safe syscalls
                                                   >> 2996           defined by each seccomp mode.
                                                   >> 2997 
                                                   >> 2998           If unsure, say Y. Only embedded should say N here.
                                                   >> 2999 
2890 config MIPS_O32_FP64_SUPPORT                     3000 config MIPS_O32_FP64_SUPPORT
2891         bool "Support for O32 binaries using     3001         bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892         depends on 32BIT || MIPS32_O32           3002         depends on 32BIT || MIPS32_O32
2893         help                                     3003         help
2894           When this is enabled, the kernel wi    3004           When this is enabled, the kernel will support use of 64-bit floating
2895           point registers with binaries using    3005           point registers with binaries using the O32 ABI along with the
2896           EF_MIPS_FP64 ELF header flag (typic    3006           EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897           32-bit MIPS systems this support is    3007           32-bit MIPS systems this support is at the cost of increasing the
2898           size and complexity of the compiled    3008           size and complexity of the compiled FPU emulator. Thus if you are
2899           running a MIPS32 system and know th    3009           running a MIPS32 system and know that none of your userland binaries
2900           will require 64-bit floating point,    3010           will require 64-bit floating point, you may wish to reduce the size
2901           of your kernel & potentially improv    3011           of your kernel & potentially improve FP emulation performance by
2902           saying N here.                         3012           saying N here.
2903                                                  3013 
2904           Although binutils currently support    3014           Although binutils currently supports use of this flag the details
2905           concerning its effect upon the O32     3015           concerning its effect upon the O32 ABI in userland are still being
2906           worked on. In order to avoid userla !! 3016           worked on. In order to avoid userland becoming dependant upon current
2907           behaviour before the details have b    3017           behaviour before the details have been finalised, this option should
2908           be considered experimental and only    3018           be considered experimental and only enabled by those working upon
2909           said details.                          3019           said details.
2910                                                  3020 
2911           If unsure, say N.                      3021           If unsure, say N.
2912                                                  3022 
2913 config USE_OF                                    3023 config USE_OF
2914         bool                                     3024         bool
2915         select OF                                3025         select OF
2916         select OF_EARLY_FLATTREE                 3026         select OF_EARLY_FLATTREE
2917         select IRQ_DOMAIN                        3027         select IRQ_DOMAIN
2918                                                  3028 
2919 config UHI_BOOT                                  3029 config UHI_BOOT
2920         bool                                     3030         bool
2921                                                  3031 
2922 config BUILTIN_DTB                               3032 config BUILTIN_DTB
2923         bool                                     3033         bool
2924                                                  3034 
2925 choice                                           3035 choice
2926         prompt "Kernel appended dtb support"  !! 3036         prompt "Kernel appended dtb support" if USE_OF
2927         depends on USE_OF                     << 
2928         default MIPS_NO_APPENDED_DTB             3037         default MIPS_NO_APPENDED_DTB
2929                                                  3038 
2930         config MIPS_NO_APPENDED_DTB              3039         config MIPS_NO_APPENDED_DTB
2931                 bool "None"                      3040                 bool "None"
2932                 help                             3041                 help
2933                   Do not enable appended dtb     3042                   Do not enable appended dtb support.
2934                                                  3043 
2935         config MIPS_ELF_APPENDED_DTB             3044         config MIPS_ELF_APPENDED_DTB
2936                 bool "vmlinux"                   3045                 bool "vmlinux"
2937                 help                             3046                 help
2938                   With this option, the boot     3047                   With this option, the boot code will look for a device tree binary
2939                   DTB) included in the vmlinu    3048                   DTB) included in the vmlinux ELF section .appended_dtb. By default
2940                   it is empty and the DTB can    3049                   it is empty and the DTB can be appended using binutils command
2941                   objcopy:                       3050                   objcopy:
2942                                                  3051 
2943                     objcopy --update-section     3052                     objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944                                                  3053 
2945                   This is meant as a backward !! 3054                   This is meant as a backward compatiblity convenience for those
2946                   systems with a bootloader t    3055                   systems with a bootloader that can't be upgraded to accommodate
2947                   the documented boot protoco    3056                   the documented boot protocol using a device tree.
2948                                                  3057 
2949         config MIPS_RAW_APPENDED_DTB             3058         config MIPS_RAW_APPENDED_DTB
2950                 bool "vmlinux.bin or vmlinuz.    3059                 bool "vmlinux.bin or vmlinuz.bin"
2951                 help                             3060                 help
2952                   With this option, the boot     3061                   With this option, the boot code will look for a device tree binary
2953                   DTB) appended to raw vmlinu    3062                   DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954                   (e.g. cat vmlinux.bin <file    3063                   (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955                                                  3064 
2956                   This is meant as a backward    3065                   This is meant as a backward compatibility convenience for those
2957                   systems with a bootloader t    3066                   systems with a bootloader that can't be upgraded to accommodate
2958                   the documented boot protoco    3067                   the documented boot protocol using a device tree.
2959                                                  3068 
2960                   Beware that there is very l    3069                   Beware that there is very little in terms of protection against
2961                   this option being confused     3070                   this option being confused by leftover garbage in memory that might
2962                   look like a DTB header afte    3071                   look like a DTB header after a reboot if no actual DTB is appended
2963                   to vmlinux.bin.  Do not lea    3072                   to vmlinux.bin.  Do not leave this option active in a production kernel
2964                   if you don't intend to alwa    3073                   if you don't intend to always append a DTB.
2965 endchoice                                        3074 endchoice
2966                                                  3075 
2967 choice                                           3076 choice
2968         prompt "Kernel command line type"     !! 3077         prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969         depends on !CMDLINE_OVERRIDE          << 
2970         default MIPS_CMDLINE_FROM_DTB if USE_    3078         default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971                                          !MAC !! 3079                                          !MIPS_MALTA && \
2972                                          !CAV    3080                                          !CAVIUM_OCTEON_SOC
2973         default MIPS_CMDLINE_FROM_BOOTLOADER     3081         default MIPS_CMDLINE_FROM_BOOTLOADER
2974                                                  3082 
2975         config MIPS_CMDLINE_FROM_DTB             3083         config MIPS_CMDLINE_FROM_DTB
2976                 depends on USE_OF                3084                 depends on USE_OF
2977                 bool "Dtb kernel arguments if    3085                 bool "Dtb kernel arguments if available"
2978                                                  3086 
2979         config MIPS_CMDLINE_DTB_EXTEND           3087         config MIPS_CMDLINE_DTB_EXTEND
2980                 depends on USE_OF                3088                 depends on USE_OF
2981                 bool "Extend dtb kernel argum    3089                 bool "Extend dtb kernel arguments with bootloader arguments"
2982                                                  3090 
2983         config MIPS_CMDLINE_FROM_BOOTLOADER      3091         config MIPS_CMDLINE_FROM_BOOTLOADER
2984                 bool "Bootloader kernel argum    3092                 bool "Bootloader kernel arguments if available"
2985                                                  3093 
2986         config MIPS_CMDLINE_BUILTIN_EXTEND       3094         config MIPS_CMDLINE_BUILTIN_EXTEND
2987                 depends on CMDLINE_BOOL          3095                 depends on CMDLINE_BOOL
2988                 bool "Extend builtin kernel a    3096                 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice                                        3097 endchoice
2990                                                  3098 
2991 endmenu                                          3099 endmenu
2992                                                  3100 
2993 config LOCKDEP_SUPPORT                           3101 config LOCKDEP_SUPPORT
2994         bool                                     3102         bool
2995         default y                                3103         default y
2996                                                  3104 
2997 config STACKTRACE_SUPPORT                        3105 config STACKTRACE_SUPPORT
2998         bool                                     3106         bool
2999         default y                                3107         default y
3000                                                  3108 
3001 config PGTABLE_LEVELS                            3109 config PGTABLE_LEVELS
3002         int                                      3110         int
3003         default 4 if PAGE_SIZE_4KB && MIPS_VA    3111         default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004         default 3 if 64BIT && (!PAGE_SIZE_64K !! 3112         default 3 if 64BIT && !PAGE_SIZE_64KB
3005         default 2                                3113         default 2
3006                                                  3114 
3007 config MIPS_AUTO_PFN_OFFSET                      3115 config MIPS_AUTO_PFN_OFFSET
3008         bool                                     3116         bool
3009                                                  3117 
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC    3118 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011                                                  3119 
3012 config PCI_DRIVERS_GENERIC                       3120 config PCI_DRIVERS_GENERIC
3013         select PCI_DOMAINS_GENERIC if PCI        3121         select PCI_DOMAINS_GENERIC if PCI
3014         bool                                     3122         bool
3015                                                  3123 
3016 config PCI_DRIVERS_LEGACY                        3124 config PCI_DRIVERS_LEGACY
3017         def_bool !PCI_DRIVERS_GENERIC            3125         def_bool !PCI_DRIVERS_GENERIC
3018         select NO_GENERIC_PCI_IOPORT_MAP         3126         select NO_GENERIC_PCI_IOPORT_MAP
3019         select PCI_DOMAINS if PCI                3127         select PCI_DOMAINS if PCI
3020                                                  3128 
3021 #                                                3129 #
3022 # ISA support is now enabled via select.  Too    3130 # ISA support is now enabled via select.  Too many systems still have the one
3023 # or other ISA chip on the board that users d    3131 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ...            3132 # users to choose the right thing ...
3025 #                                                3133 #
3026 config ISA                                       3134 config ISA
3027         bool                                     3135         bool
3028                                                  3136 
3029 config TC                                        3137 config TC
3030         bool "TURBOchannel support"              3138         bool "TURBOchannel support"
3031         depends on MACH_DECSTATION               3139         depends on MACH_DECSTATION
3032         help                                     3140         help
3033           TURBOchannel is a DEC (now Compaq (    3141           TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034           processors.  TURBOchannel programmi    3142           processors.  TURBOchannel programming specifications are available
3035           at:                                    3143           at:
3036           <ftp://ftp.hp.com/pub/alphaserver/a    3144           <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037           and:                                   3145           and:
3038           <http://www.computer-refuge.org/cla    3146           <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039           Linux driver support status is docu    3147           Linux driver support status is documented at:
3040           <http://www.linux-mips.org/wiki/DEC    3148           <http://www.linux-mips.org/wiki/DECstation>
3041                                                  3149 
3042 config MMU                                       3150 config MMU
3043         bool                                     3151         bool
3044         default y                                3152         default y
3045                                                  3153 
3046 config ARCH_MMAP_RND_BITS_MIN                    3154 config ARCH_MMAP_RND_BITS_MIN
3047         default 12 if 64BIT                      3155         default 12 if 64BIT
3048         default 8                                3156         default 8
3049                                                  3157 
3050 config ARCH_MMAP_RND_BITS_MAX                    3158 config ARCH_MMAP_RND_BITS_MAX
3051         default 18 if 64BIT                      3159         default 18 if 64BIT
3052         default 15                               3160         default 15
3053                                                  3161 
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN             3162 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055         default 8                                3163         default 8
3056                                                  3164 
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX             3165 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058         default 15                               3166         default 15
3059                                                  3167 
3060 config I8253                                     3168 config I8253
3061         bool                                     3169         bool
3062         select CLKSRC_I8253                      3170         select CLKSRC_I8253
3063         select CLKEVT_I8253                      3171         select CLKEVT_I8253
3064         select MIPS_EXTERNAL_TIMER               3172         select MIPS_EXTERNAL_TIMER
                                                   >> 3173 
                                                   >> 3174 config ZONE_DMA
                                                   >> 3175         bool
                                                   >> 3176 
                                                   >> 3177 config ZONE_DMA32
                                                   >> 3178         bool
                                                   >> 3179 
3065 endmenu                                          3180 endmenu
3066                                                  3181 
3067 config TRAD_SIGNALS                              3182 config TRAD_SIGNALS
3068         bool                                     3183         bool
3069                                                  3184 
3070 config MIPS32_COMPAT                             3185 config MIPS32_COMPAT
3071         bool                                     3186         bool
3072                                                  3187 
3073 config COMPAT                                    3188 config COMPAT
3074         bool                                     3189         bool
3075                                                  3190 
                                                   >> 3191 config SYSVIPC_COMPAT
                                                   >> 3192         bool
                                                   >> 3193 
3076 config MIPS32_O32                                3194 config MIPS32_O32
3077         bool "Kernel support for o32 binaries    3195         bool "Kernel support for o32 binaries"
3078         depends on 64BIT                         3196         depends on 64BIT
3079         select ARCH_WANT_OLD_COMPAT_IPC          3197         select ARCH_WANT_OLD_COMPAT_IPC
3080         select COMPAT                            3198         select COMPAT
3081         select MIPS32_COMPAT                     3199         select MIPS32_COMPAT
                                                   >> 3200         select SYSVIPC_COMPAT if SYSVIPC
3082         help                                     3201         help
3083           Select this option if you want to r    3202           Select this option if you want to run o32 binaries.  These are pure
3084           32-bit binaries as used by the 32-b    3203           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3085           existing binaries are in this forma    3204           existing binaries are in this format.
3086                                                  3205 
3087           If unsure, say Y.                      3206           If unsure, say Y.
3088                                                  3207 
3089 config MIPS32_N32                                3208 config MIPS32_N32
3090         bool "Kernel support for n32 binaries    3209         bool "Kernel support for n32 binaries"
3091         depends on 64BIT                         3210         depends on 64BIT
3092         select ARCH_WANT_COMPAT_IPC_PARSE_VER    3211         select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093         select COMPAT                            3212         select COMPAT
3094         select MIPS32_COMPAT                     3213         select MIPS32_COMPAT
                                                   >> 3214         select SYSVIPC_COMPAT if SYSVIPC
3095         help                                     3215         help
3096           Select this option if you want to r    3216           Select this option if you want to run n32 binaries.  These are
3097           64-bit binaries using 32-bit quanti    3217           64-bit binaries using 32-bit quantities for addressing and certain
3098           data that would normally be 64-bit.    3218           data that would normally be 64-bit.  They are used in special
3099           cases.                                 3219           cases.
3100                                                  3220 
3101           If unsure, say N.                      3221           If unsure, say N.
3102                                                  3222 
3103 config CC_HAS_MNO_BRANCH_LIKELY               !! 3223 config BINFMT_ELF32
3104         def_bool y                            !! 3224         bool
3105         depends on $(cc-option,-mno-branch-li !! 3225         default y if MIPS32_O32 || MIPS32_N32
3106                                               !! 3226         select ELFCORE
3107 # https://github.com/llvm/llvm-project/issues << 
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH     << 
3109         def_bool y if CC_IS_CLANG             << 
3110                                                  3227 
3111 menu "Power management options"                  3228 menu "Power management options"
3112                                                  3229 
3113 config ARCH_HIBERNATION_POSSIBLE                 3230 config ARCH_HIBERNATION_POSSIBLE
3114         def_bool y                               3231         def_bool y
3115         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3232         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116                                                  3233 
3117 config ARCH_SUSPEND_POSSIBLE                     3234 config ARCH_SUSPEND_POSSIBLE
3118         def_bool y                               3235         def_bool y
3119         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3236         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120                                                  3237 
3121 source "kernel/power/Kconfig"                    3238 source "kernel/power/Kconfig"
3122                                                  3239 
3123 endmenu                                          3240 endmenu
3124                                                  3241 
3125 config MIPS_EXTERNAL_TIMER                       3242 config MIPS_EXTERNAL_TIMER
3126         bool                                     3243         bool
3127                                                  3244 
3128 menu "CPU Power Management"                      3245 menu "CPU Power Management"
3129                                                  3246 
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME    3247 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig"                 3248 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3249 endif
3133                                                  3250 
3134 source "drivers/cpuidle/Kconfig"                 3251 source "drivers/cpuidle/Kconfig"
3135                                                  3252 
3136 endmenu                                          3253 endmenu
3137                                                  3254 
3138 source "arch/mips/kvm/Kconfig"                !! 3255 source "drivers/firmware/Kconfig"
3139                                                  3256 
3140 source "arch/mips/vdso/Kconfig"               !! 3257 source "arch/mips/kvm/Kconfig"
                                                      

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