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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-5.0.21)


  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      << 
  6         select ARCH_BINFMT_ELF_STATE if MIPS_F      5         select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
  7         select ARCH_HAS_CPU_CACHE_ALIASING     !!   6         select ARCH_CLOCKSOURCE_DATA
  8         select ARCH_HAS_CPU_FINALIZE_INIT      !!   7         select ARCH_DISCARD_MEMBLOCK
  9         select ARCH_HAS_CURRENT_STACK_POINTER  !!   8         select ARCH_HAS_ELF_RANDOMIZE
 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      9         select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 19         select ARCH_HAS_UBSAN                  !!  10         select ARCH_HAS_UBSAN_SANITIZE_ALL
 20         select ARCH_HAS_GCOV_PROFILE_ALL       !!  11         select ARCH_SUPPORTS_UPROBES
 21         select ARCH_KEEP_MEMBLOCK              << 
 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_ << 
 29         select ARCH_WANT_IPC_PARSE_VERSION         16         select ARCH_WANT_IPC_PARSE_VERSION
 30         select ARCH_WANT_LD_ORPHAN_WARN        !!  17         select BUILDTIME_EXTABLE_SORT
 31         select BUILDTIME_TABLE_SORT            << 
 32         select CLONE_BACKWARDS                     18         select CLONE_BACKWARDS
 33         select CPU_NO_EFFICIENT_FFS if (TARGET     19         select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
 34         select CPU_PM if CPU_IDLE || SUSPEND   !!  20         select CPU_PM if CPU_IDLE
 35         select GENERIC_ATOMIC64 if !64BIT          21         select GENERIC_ATOMIC64 if !64BIT
                                                   >>  22         select GENERIC_CLOCKEVENTS
 36         select GENERIC_CMOS_UPDATE                 23         select GENERIC_CMOS_UPDATE
 37         select GENERIC_CPU_AUTOPROBE               24         select GENERIC_CPU_AUTOPROBE
 38         select GENERIC_GETTIMEOFDAY            << 
 39         select GENERIC_IOMAP                       25         select GENERIC_IOMAP
 40         select GENERIC_IRQ_PROBE                   26         select GENERIC_IRQ_PROBE
 41         select GENERIC_IRQ_SHOW                    27         select GENERIC_IRQ_SHOW
 42         select GENERIC_ISA_DMA if EISA             28         select GENERIC_ISA_DMA if EISA
 43         select GENERIC_LIB_ASHLDI3                 29         select GENERIC_LIB_ASHLDI3
 44         select GENERIC_LIB_ASHRDI3                 30         select GENERIC_LIB_ASHRDI3
 45         select GENERIC_LIB_CMPDI2                  31         select GENERIC_LIB_CMPDI2
 46         select GENERIC_LIB_LSHRDI3                 32         select GENERIC_LIB_LSHRDI3
 47         select GENERIC_LIB_UCMPDI2                 33         select GENERIC_LIB_UCMPDI2
 48         select GENERIC_SCHED_CLOCK if !CAVIUM_     34         select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 49         select GENERIC_SMP_IDLE_THREAD             35         select GENERIC_SMP_IDLE_THREAD
 50         select GENERIC_IDLE_POLL_SETUP         << 
 51         select GENERIC_TIME_VSYSCALL               36         select GENERIC_TIME_VSYSCALL
 52         select GUP_GET_PXX_LOW_HIGH if CPU_MIP !!  37         select HANDLE_DOMAIN_IRQ
 53         select HAS_IOPORT if !NO_IOPORT_MAP || << 
 54         select HAVE_ARCH_COMPILER_H                38         select HAVE_ARCH_COMPILER_H
 55         select HAVE_ARCH_JUMP_LABEL                39         select HAVE_ARCH_JUMP_LABEL
 56         select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !!  40         select HAVE_ARCH_KGDB
 57         select HAVE_ARCH_MMAP_RND_BITS if MMU      41         select HAVE_ARCH_MMAP_RND_BITS if MMU
 58         select HAVE_ARCH_MMAP_RND_COMPAT_BITS      42         select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
 59         select HAVE_ARCH_SECCOMP_FILTER            43         select HAVE_ARCH_SECCOMP_FILTER
 60         select HAVE_ARCH_TRACEHOOK                 44         select HAVE_ARCH_TRACEHOOK
 61         select HAVE_ARCH_TRANSPARENT_HUGEPAGE  !!  45         select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
 62         select HAVE_ASM_MODVERSIONS            !!  46         select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
 63         select HAVE_CONTEXT_TRACKING_USER      !!  47         select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
 64         select HAVE_TIF_NOHZ                   !!  48         select HAVE_CONTEXT_TRACKING
                                                   >>  49         select HAVE_COPY_THREAD_TLS
 65         select HAVE_C_RECORDMCOUNT                 50         select HAVE_C_RECORDMCOUNT
 66         select HAVE_DEBUG_KMEMLEAK                 51         select HAVE_DEBUG_KMEMLEAK
 67         select HAVE_DEBUG_STACKOVERFLOW            52         select HAVE_DEBUG_STACKOVERFLOW
 68         select HAVE_DMA_CONTIGUOUS                 53         select HAVE_DMA_CONTIGUOUS
 69         select HAVE_DYNAMIC_FTRACE                 54         select HAVE_DYNAMIC_FTRACE
 70         select HAVE_EBPF_JIT if !CPU_MICROMIPS << 
 71         select HAVE_EXIT_THREAD                    55         select HAVE_EXIT_THREAD
 72         select HAVE_GUP_FAST                   << 
 73         select HAVE_FTRACE_MCOUNT_RECORD           56         select HAVE_FTRACE_MCOUNT_RECORD
 74         select HAVE_FUNCTION_GRAPH_TRACER          57         select HAVE_FUNCTION_GRAPH_TRACER
 75         select HAVE_FUNCTION_TRACER                58         select HAVE_FUNCTION_TRACER
 76         select HAVE_GCC_PLUGINS                !!  59         select HAVE_GENERIC_DMA_COHERENT
 77         select HAVE_GENERIC_VDSO               !!  60         select HAVE_IDE
 78         select HAVE_IOREMAP_PROT                   61         select HAVE_IOREMAP_PROT
 79         select HAVE_IRQ_EXIT_ON_IRQ_STACK          62         select HAVE_IRQ_EXIT_ON_IRQ_STACK
 80         select HAVE_IRQ_TIME_ACCOUNTING            63         select HAVE_IRQ_TIME_ACCOUNTING
 81         select HAVE_KPROBES                        64         select HAVE_KPROBES
 82         select HAVE_KRETPROBES                     65         select HAVE_KRETPROBES
 83         select HAVE_LD_DEAD_CODE_DATA_ELIMINAT     66         select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
                                                   >>  67         select HAVE_MEMBLOCK_NODE_MAP
 84         select HAVE_MOD_ARCH_SPECIFIC              68         select HAVE_MOD_ARCH_SPECIFIC
 85         select HAVE_NMI                            69         select HAVE_NMI
 86         select HAVE_PAGE_SIZE_4KB if !CPU_LOON !!  70         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                    71         select HAVE_PERF_EVENTS
 90         select HAVE_PERF_REGS                  << 
 91         select HAVE_PERF_USER_STACK_DUMP       << 
 92         select HAVE_REGS_AND_STACK_ACCESS_API      72         select HAVE_REGS_AND_STACK_ACCESS_API
 93         select HAVE_RSEQ                           73         select HAVE_RSEQ
 94         select HAVE_SPARSE_SYSCALL_NR          << 
 95         select HAVE_STACKPROTECTOR                 74         select HAVE_STACKPROTECTOR
 96         select HAVE_SYSCALL_TRACEPOINTS            75         select HAVE_SYSCALL_TRACEPOINTS
 97         select HAVE_VIRT_CPU_ACCOUNTING_GEN if     76         select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
 98         select IRQ_FORCED_THREADING                77         select IRQ_FORCED_THREADING
 99         select ISA if EISA                         78         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     79         select MODULES_USE_ELF_RELA if MODULES && 64BIT
                                                   >>  80         select MODULES_USE_ELF_REL if MODULES
103         select PERF_USE_VMALLOC                    81         select PERF_USE_VMALLOC
104         select PCI_MSI_ARCH_FALLBACKS if PCI_M << 
105         select RTC_LIB                             82         select RTC_LIB
106         select SYSCTL_EXCEPTION_TRACE              83         select SYSCTL_EXCEPTION_TRACE
107         select TRACE_IRQFLAGS_SUPPORT          !!  84         select VIRT_TO_BUS
108         select ARCH_HAS_ELFCORE_COMPAT         << 
109         select HAVE_ARCH_KCSAN if 64BIT        << 
110                                                << 
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                                                    85 
136 menu "Machine selection"                           86 menu "Machine selection"
137                                                    87 
138 choice                                             88 choice
139         prompt "System type"                       89         prompt "System type"
140         default MIPS_GENERIC_KERNEL            !!  90         default MIPS_GENERIC
141                                                    91 
142 config MIPS_GENERIC_KERNEL                     !!  92 config MIPS_GENERIC
143         bool "Generic board-agnostic MIPS kern     93         bool "Generic board-agnostic MIPS kernel"
144         select MIPS_GENERIC                    << 
145         select BOOT_RAW                            94         select BOOT_RAW
146         select BUILTIN_DTB                         95         select BUILTIN_DTB
147         select CEVT_R4K                            96         select CEVT_R4K
148         select CLKSRC_MIPS_GIC                     97         select CLKSRC_MIPS_GIC
149         select COMMON_CLK                          98         select COMMON_CLK
150         select CPU_MIPSR2_IRQ_EI               << 
151         select CPU_MIPSR2_IRQ_VI                   99         select CPU_MIPSR2_IRQ_VI
                                                   >> 100         select CPU_MIPSR2_IRQ_EI
152         select CSRC_R4K                           101         select CSRC_R4K
153         select DMA_NONCOHERENT                 !! 102         select DMA_PERDEV_COHERENT
154         select HAVE_PCI                           103         select HAVE_PCI
155         select IRQ_MIPS_CPU                       104         select IRQ_MIPS_CPU
156         select MACH_GENERIC_CORE               !! 105         select LIBFDT
157         select MIPS_AUTO_PFN_OFFSET               106         select MIPS_AUTO_PFN_OFFSET
158         select MIPS_CPU_SCACHE                    107         select MIPS_CPU_SCACHE
159         select MIPS_GIC                           108         select MIPS_GIC
160         select MIPS_L1_CACHE_SHIFT_7              109         select MIPS_L1_CACHE_SHIFT_7
161         select NO_EXCEPT_FILL                     110         select NO_EXCEPT_FILL
162         select PCI_DRIVERS_GENERIC                111         select PCI_DRIVERS_GENERIC
                                                   >> 112         select PINCTRL
163         select SMP_UP if SMP                      113         select SMP_UP if SMP
164         select SWAP_IO_SPACE                      114         select SWAP_IO_SPACE
165         select SYS_HAS_CPU_MIPS32_R1              115         select SYS_HAS_CPU_MIPS32_R1
166         select SYS_HAS_CPU_MIPS32_R2              116         select SYS_HAS_CPU_MIPS32_R2
167         select SYS_HAS_CPU_MIPS32_R5           << 
168         select SYS_HAS_CPU_MIPS32_R6              117         select SYS_HAS_CPU_MIPS32_R6
169         select SYS_HAS_CPU_MIPS64_R1              118         select SYS_HAS_CPU_MIPS64_R1
170         select SYS_HAS_CPU_MIPS64_R2              119         select SYS_HAS_CPU_MIPS64_R2
171         select SYS_HAS_CPU_MIPS64_R5           << 
172         select SYS_HAS_CPU_MIPS64_R6              120         select SYS_HAS_CPU_MIPS64_R6
173         select SYS_SUPPORTS_32BIT_KERNEL          121         select SYS_SUPPORTS_32BIT_KERNEL
174         select SYS_SUPPORTS_64BIT_KERNEL          122         select SYS_SUPPORTS_64BIT_KERNEL
175         select SYS_SUPPORTS_BIG_ENDIAN            123         select SYS_SUPPORTS_BIG_ENDIAN
176         select SYS_SUPPORTS_HIGHMEM               124         select SYS_SUPPORTS_HIGHMEM
177         select SYS_SUPPORTS_LITTLE_ENDIAN         125         select SYS_SUPPORTS_LITTLE_ENDIAN
178         select SYS_SUPPORTS_MICROMIPS             126         select SYS_SUPPORTS_MICROMIPS
179         select SYS_SUPPORTS_MIPS16             << 
180         select SYS_SUPPORTS_MIPS_CPS              127         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 128         select SYS_SUPPORTS_MIPS16
181         select SYS_SUPPORTS_MULTITHREADING        129         select SYS_SUPPORTS_MULTITHREADING
182         select SYS_SUPPORTS_RELOCATABLE           130         select SYS_SUPPORTS_RELOCATABLE
183         select SYS_SUPPORTS_SMARTMIPS             131         select SYS_SUPPORTS_SMARTMIPS
184         select SYS_SUPPORTS_ZBOOT              << 
185         select UHI_BOOT                        << 
186         select USB_EHCI_BIG_ENDIAN_DESC if CPU    132         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    133         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188         select USB_OHCI_BIG_ENDIAN_DESC if CPU    134         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    135         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190         select USB_UHCI_BIG_ENDIAN_DESC if CPU    136         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191         select USB_UHCI_BIG_ENDIAN_MMIO if CPU    137         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192         select USE_OF                             138         select USE_OF
                                                   >> 139         select UHI_BOOT
193         help                                      140         help
194           Select this to build a kernel which     141           Select this to build a kernel which aims to support multiple boards,
195           generally using a flattened device t    142           generally using a flattened device tree passed from the bootloader
196           using the boot protocol defined in t    143           using the boot protocol defined in the UHI (Unified Hosting
197           Interface) specification.               144           Interface) specification.
198                                                   145 
199 config MIPS_ALCHEMY                               146 config MIPS_ALCHEMY
200         bool "Alchemy processor based machines    147         bool "Alchemy processor based machines"
201         select PHYS_ADDR_T_64BIT                  148         select PHYS_ADDR_T_64BIT
202         select CEVT_R4K                           149         select CEVT_R4K
203         select CSRC_R4K                           150         select CSRC_R4K
204         select IRQ_MIPS_CPU                       151         select IRQ_MIPS_CPU
205         select DMA_NONCOHERENT          # Au10 !! 152         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              153         select SYS_HAS_CPU_MIPS32_R1
208         select SYS_SUPPORTS_32BIT_KERNEL          154         select SYS_SUPPORTS_32BIT_KERNEL
209         select SYS_SUPPORTS_APM_EMULATION         155         select SYS_SUPPORTS_APM_EMULATION
210         select GPIOLIB                            156         select GPIOLIB
211         select SYS_SUPPORTS_ZBOOT                 157         select SYS_SUPPORTS_ZBOOT
212         select COMMON_CLK                         158         select COMMON_CLK
213                                                   159 
                                                   >> 160 config AR7
                                                   >> 161         bool "Texas Instruments AR7"
                                                   >> 162         select BOOT_ELF32
                                                   >> 163         select DMA_NONCOHERENT
                                                   >> 164         select CEVT_R4K
                                                   >> 165         select CSRC_R4K
                                                   >> 166         select IRQ_MIPS_CPU
                                                   >> 167         select NO_EXCEPT_FILL
                                                   >> 168         select SWAP_IO_SPACE
                                                   >> 169         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 170         select SYS_HAS_EARLY_PRINTK
                                                   >> 171         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 172         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 173         select SYS_SUPPORTS_MIPS16
                                                   >> 174         select SYS_SUPPORTS_ZBOOT_UART16550
                                                   >> 175         select GPIOLIB
                                                   >> 176         select VLYNQ
                                                   >> 177         select HAVE_CLK
                                                   >> 178         help
                                                   >> 179           Support for the Texas Instruments AR7 System-on-a-Chip
                                                   >> 180           family: TNETD7100, 7200 and 7300.
                                                   >> 181 
214 config ATH25                                      182 config ATH25
215         bool "Atheros AR231x/AR531x SoC suppor    183         bool "Atheros AR231x/AR531x SoC support"
216         select CEVT_R4K                           184         select CEVT_R4K
217         select CSRC_R4K                           185         select CSRC_R4K
218         select DMA_NONCOHERENT                    186         select DMA_NONCOHERENT
219         select IRQ_MIPS_CPU                       187         select IRQ_MIPS_CPU
220         select IRQ_DOMAIN                         188         select IRQ_DOMAIN
221         select SYS_HAS_CPU_MIPS32_R1              189         select SYS_HAS_CPU_MIPS32_R1
222         select SYS_SUPPORTS_BIG_ENDIAN            190         select SYS_SUPPORTS_BIG_ENDIAN
223         select SYS_SUPPORTS_32BIT_KERNEL          191         select SYS_SUPPORTS_32BIT_KERNEL
224         select SYS_HAS_EARLY_PRINTK               192         select SYS_HAS_EARLY_PRINTK
225         help                                      193         help
226           Support for Atheros AR231x and Ather    194           Support for Atheros AR231x and Atheros AR531x based boards
227                                                   195 
228 config ATH79                                      196 config ATH79
229         bool "Atheros AR71XX/AR724X/AR913X bas    197         bool "Atheros AR71XX/AR724X/AR913X based boards"
230         select ARCH_HAS_RESET_CONTROLLER          198         select ARCH_HAS_RESET_CONTROLLER
231         select BOOT_RAW                           199         select BOOT_RAW
232         select CEVT_R4K                           200         select CEVT_R4K
233         select CSRC_R4K                           201         select CSRC_R4K
234         select DMA_NONCOHERENT                    202         select DMA_NONCOHERENT
235         select GPIOLIB                            203         select GPIOLIB
236         select PINCTRL                            204         select PINCTRL
                                                   >> 205         select HAVE_CLK
237         select COMMON_CLK                         206         select COMMON_CLK
                                                   >> 207         select CLKDEV_LOOKUP
238         select IRQ_MIPS_CPU                       208         select IRQ_MIPS_CPU
                                                   >> 209         select MIPS_MACHINE
239         select SYS_HAS_CPU_MIPS32_R2              210         select SYS_HAS_CPU_MIPS32_R2
240         select SYS_HAS_EARLY_PRINTK               211         select SYS_HAS_EARLY_PRINTK
241         select SYS_SUPPORTS_32BIT_KERNEL          212         select SYS_SUPPORTS_32BIT_KERNEL
242         select SYS_SUPPORTS_BIG_ENDIAN            213         select SYS_SUPPORTS_BIG_ENDIAN
243         select SYS_SUPPORTS_MIPS16                214         select SYS_SUPPORTS_MIPS16
244         select SYS_SUPPORTS_ZBOOT_UART_PROM       215         select SYS_SUPPORTS_ZBOOT_UART_PROM
245         select USE_OF                             216         select USE_OF
246         select USB_EHCI_ROOT_HUB_TT if USB_EHC    217         select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247         help                                      218         help
248           Support for the Atheros AR71XX/AR724    219           Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249                                                   220 
250 config BMIPS_GENERIC                              221 config BMIPS_GENERIC
251         bool "Broadcom Generic BMIPS kernel"      222         bool "Broadcom Generic BMIPS kernel"
252         select ARCH_HAS_RESET_CONTROLLER       << 
253         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL      223         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
                                                   >> 224         select ARCH_HAS_PHYS_TO_DMA
254         select BOOT_RAW                           225         select BOOT_RAW
255         select NO_EXCEPT_FILL                     226         select NO_EXCEPT_FILL
256         select USE_OF                             227         select USE_OF
257         select CEVT_R4K                           228         select CEVT_R4K
258         select CSRC_R4K                           229         select CSRC_R4K
259         select SYNC_R4K                           230         select SYNC_R4K
260         select COMMON_CLK                         231         select COMMON_CLK
261         select BCM6345_L1_IRQ                     232         select BCM6345_L1_IRQ
262         select BCM7038_L1_IRQ                     233         select BCM7038_L1_IRQ
263         select BCM7120_L2_IRQ                     234         select BCM7120_L2_IRQ
264         select BRCMSTB_L2_IRQ                     235         select BRCMSTB_L2_IRQ
265         select IRQ_MIPS_CPU                       236         select IRQ_MIPS_CPU
266         select DMA_NONCOHERENT                    237         select DMA_NONCOHERENT
267         select SYS_SUPPORTS_32BIT_KERNEL          238         select SYS_SUPPORTS_32BIT_KERNEL
268         select SYS_SUPPORTS_LITTLE_ENDIAN         239         select SYS_SUPPORTS_LITTLE_ENDIAN
269         select SYS_SUPPORTS_BIG_ENDIAN            240         select SYS_SUPPORTS_BIG_ENDIAN
270         select SYS_SUPPORTS_HIGHMEM               241         select SYS_SUPPORTS_HIGHMEM
271         select SYS_HAS_CPU_BMIPS32_3300           242         select SYS_HAS_CPU_BMIPS32_3300
272         select SYS_HAS_CPU_BMIPS4350              243         select SYS_HAS_CPU_BMIPS4350
273         select SYS_HAS_CPU_BMIPS4380              244         select SYS_HAS_CPU_BMIPS4380
274         select SYS_HAS_CPU_BMIPS5000              245         select SYS_HAS_CPU_BMIPS5000
275         select SWAP_IO_SPACE                      246         select SWAP_IO_SPACE
276         select USB_EHCI_BIG_ENDIAN_DESC if CPU    247         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    248         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278         select USB_OHCI_BIG_ENDIAN_DESC if CPU    249         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    250         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280         select HARDIRQS_SW_RESEND                 251         select HARDIRQS_SW_RESEND
281         select HAVE_PCI                        << 
282         select PCI_DRIVERS_GENERIC             << 
283         select FW_CFE                          << 
284         help                                      252         help
285           Build a generic DT-based kernel imag    253           Build a generic DT-based kernel image that boots on select
286           BCM33xx cable modem chips, BCM63xx D    254           BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287           box chips.  Note that CONFIG_CPU_BIG    255           box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288           must be set appropriately for your b    256           must be set appropriately for your board.
289                                                   257 
290 config BCM47XX                                    258 config BCM47XX
291         bool "Broadcom BCM47XX based boards"      259         bool "Broadcom BCM47XX based boards"
292         select BOOT_RAW                           260         select BOOT_RAW
293         select CEVT_R4K                           261         select CEVT_R4K
294         select CSRC_R4K                           262         select CSRC_R4K
295         select DMA_NONCOHERENT                    263         select DMA_NONCOHERENT
296         select HAVE_PCI                           264         select HAVE_PCI
297         select IRQ_MIPS_CPU                       265         select IRQ_MIPS_CPU
298         select SYS_HAS_CPU_MIPS32_R1              266         select SYS_HAS_CPU_MIPS32_R1
299         select NO_EXCEPT_FILL                     267         select NO_EXCEPT_FILL
300         select SYS_SUPPORTS_32BIT_KERNEL          268         select SYS_SUPPORTS_32BIT_KERNEL
301         select SYS_SUPPORTS_LITTLE_ENDIAN         269         select SYS_SUPPORTS_LITTLE_ENDIAN
302         select SYS_SUPPORTS_MIPS16                270         select SYS_SUPPORTS_MIPS16
303         select SYS_SUPPORTS_ZBOOT                 271         select SYS_SUPPORTS_ZBOOT
304         select SYS_HAS_EARLY_PRINTK               272         select SYS_HAS_EARLY_PRINTK
305         select USE_GENERIC_EARLY_PRINTK_8250      273         select USE_GENERIC_EARLY_PRINTK_8250
306         select GPIOLIB                            274         select GPIOLIB
307         select LEDS_GPIO_REGISTER                 275         select LEDS_GPIO_REGISTER
308         select BCM47XX_NVRAM                      276         select BCM47XX_NVRAM
309         select BCM47XX_SPROM                      277         select BCM47XX_SPROM
310         select BCM47XX_SSB if !BCM47XX_BCMA       278         select BCM47XX_SSB if !BCM47XX_BCMA
311         help                                      279         help
312           Support for BCM47XX based boards     !! 280          Support for BCM47XX based boards
313                                                   281 
314 config BCM63XX                                    282 config BCM63XX
315         bool "Broadcom BCM63XX based boards"      283         bool "Broadcom BCM63XX based boards"
316         select BOOT_RAW                           284         select BOOT_RAW
317         select CEVT_R4K                           285         select CEVT_R4K
318         select CSRC_R4K                           286         select CSRC_R4K
319         select SYNC_R4K                           287         select SYNC_R4K
320         select DMA_NONCOHERENT                    288         select DMA_NONCOHERENT
321         select IRQ_MIPS_CPU                       289         select IRQ_MIPS_CPU
322         select SYS_SUPPORTS_32BIT_KERNEL          290         select SYS_SUPPORTS_32BIT_KERNEL
323         select SYS_SUPPORTS_BIG_ENDIAN            291         select SYS_SUPPORTS_BIG_ENDIAN
324         select SYS_HAS_EARLY_PRINTK               292         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                      293         select SWAP_IO_SPACE
329         select GPIOLIB                            294         select GPIOLIB
                                                   >> 295         select HAVE_CLK
330         select MIPS_L1_CACHE_SHIFT_4              296         select MIPS_L1_CACHE_SHIFT_4
331         select HAVE_LEGACY_CLK                 !! 297         select CLKDEV_LOOKUP
332         help                                      298         help
333           Support for BCM63XX based boards     !! 299          Support for BCM63XX based boards
334                                                   300 
335 config MIPS_COBALT                                301 config MIPS_COBALT
336         bool "Cobalt Server"                      302         bool "Cobalt Server"
337         select CEVT_R4K                           303         select CEVT_R4K
338         select CSRC_R4K                           304         select CSRC_R4K
339         select CEVT_GT641XX                       305         select CEVT_GT641XX
340         select DMA_NONCOHERENT                    306         select DMA_NONCOHERENT
341         select FORCE_PCI                          307         select FORCE_PCI
342         select I8253                              308         select I8253
343         select I8259                              309         select I8259
344         select IRQ_MIPS_CPU                       310         select IRQ_MIPS_CPU
345         select IRQ_GT641XX                        311         select IRQ_GT641XX
346         select PCI_GT64XXX_PCI0                   312         select PCI_GT64XXX_PCI0
347         select SYS_HAS_CPU_NEVADA                 313         select SYS_HAS_CPU_NEVADA
348         select SYS_HAS_EARLY_PRINTK               314         select SYS_HAS_EARLY_PRINTK
349         select SYS_SUPPORTS_32BIT_KERNEL          315         select SYS_SUPPORTS_32BIT_KERNEL
350         select SYS_SUPPORTS_64BIT_KERNEL          316         select SYS_SUPPORTS_64BIT_KERNEL
351         select SYS_SUPPORTS_LITTLE_ENDIAN         317         select SYS_SUPPORTS_LITTLE_ENDIAN
352         select USE_GENERIC_EARLY_PRINTK_8250      318         select USE_GENERIC_EARLY_PRINTK_8250
353                                                   319 
354 config MACH_DECSTATION                            320 config MACH_DECSTATION
355         bool "DECstations"                        321         bool "DECstations"
356         select BOOT_ELF32                         322         select BOOT_ELF32
357         select CEVT_DS1287                        323         select CEVT_DS1287
358         select CEVT_R4K if CPU_R4X00              324         select CEVT_R4K if CPU_R4X00
359         select CSRC_IOASIC                        325         select CSRC_IOASIC
360         select CSRC_R4K if CPU_R4X00              326         select CSRC_R4K if CPU_R4X00
361         select CPU_DADDI_WORKAROUNDS if 64BIT     327         select CPU_DADDI_WORKAROUNDS if 64BIT
362         select CPU_R4000_WORKAROUNDS if 64BIT     328         select CPU_R4000_WORKAROUNDS if 64BIT
363         select CPU_R4400_WORKAROUNDS if 64BIT     329         select CPU_R4400_WORKAROUNDS if 64BIT
364         select DMA_NONCOHERENT                    330         select DMA_NONCOHERENT
365         select NO_IOPORT_MAP                      331         select NO_IOPORT_MAP
366         select IRQ_MIPS_CPU                       332         select IRQ_MIPS_CPU
367         select SYS_HAS_CPU_R3000                  333         select SYS_HAS_CPU_R3000
368         select SYS_HAS_CPU_R4X00                  334         select SYS_HAS_CPU_R4X00
369         select SYS_SUPPORTS_32BIT_KERNEL          335         select SYS_SUPPORTS_32BIT_KERNEL
370         select SYS_SUPPORTS_64BIT_KERNEL          336         select SYS_SUPPORTS_64BIT_KERNEL
371         select SYS_SUPPORTS_LITTLE_ENDIAN         337         select SYS_SUPPORTS_LITTLE_ENDIAN
372         select SYS_SUPPORTS_128HZ                 338         select SYS_SUPPORTS_128HZ
373         select SYS_SUPPORTS_256HZ                 339         select SYS_SUPPORTS_256HZ
374         select SYS_SUPPORTS_1024HZ                340         select SYS_SUPPORTS_1024HZ
375         select MIPS_L1_CACHE_SHIFT_4              341         select MIPS_L1_CACHE_SHIFT_4
376         help                                      342         help
377           This enables support for DEC's MIPS     343           This enables support for DEC's MIPS based workstations.  For details
378           see the Linux/MIPS FAQ on <http://ww    344           see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379           DECstation porting pages on <http://    345           DECstation porting pages on <http://decstation.unix-ag.org/>.
380                                                   346 
381           If you have one of the following DEC    347           If you have one of the following DECstation Models you definitely
382           want to choose R4xx0 for the CPU Typ    348           want to choose R4xx0 for the CPU Type:
383                                                   349 
384                 DECstation 5000/50                350                 DECstation 5000/50
385                 DECstation 5000/150               351                 DECstation 5000/150
386                 DECstation 5000/260               352                 DECstation 5000/260
387                 DECsystem 5900/260                353                 DECsystem 5900/260
388                                                   354 
389           otherwise choose R3000.                 355           otherwise choose R3000.
390                                                   356 
391 config MACH_JAZZ                                  357 config MACH_JAZZ
392         bool "Jazz family of machines"            358         bool "Jazz family of machines"
393         select ARC_MEMORY                      << 
394         select ARC_PROMLIB                     << 
395         select ARCH_MIGHT_HAVE_PC_PARPORT         359         select ARCH_MIGHT_HAVE_PC_PARPORT
396         select ARCH_MIGHT_HAVE_PC_SERIO           360         select ARCH_MIGHT_HAVE_PC_SERIO
397         select FW_ARC                             361         select FW_ARC
398         select FW_ARC32                           362         select FW_ARC32
399         select ARCH_MAY_HAVE_PC_FDC               363         select ARCH_MAY_HAVE_PC_FDC
400         select CEVT_R4K                           364         select CEVT_R4K
401         select CSRC_R4K                           365         select CSRC_R4K
402         select DEFAULT_SGI_PARTITION if CPU_BI    366         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403         select GENERIC_ISA_DMA                    367         select GENERIC_ISA_DMA
404         select HAVE_PCSPKR_PLATFORM               368         select HAVE_PCSPKR_PLATFORM
405         select IRQ_MIPS_CPU                       369         select IRQ_MIPS_CPU
406         select I8253                              370         select I8253
407         select I8259                              371         select I8259
408         select ISA                                372         select ISA
409         select SYS_HAS_CPU_R4X00                  373         select SYS_HAS_CPU_R4X00
410         select SYS_SUPPORTS_32BIT_KERNEL          374         select SYS_SUPPORTS_32BIT_KERNEL
411         select SYS_SUPPORTS_64BIT_KERNEL          375         select SYS_SUPPORTS_64BIT_KERNEL
412         select SYS_SUPPORTS_100HZ                 376         select SYS_SUPPORTS_100HZ
413         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
414         help                                      377         help
415           This a family of machines based on t !! 378          This a family of machines based on the MIPS R4030 chipset which was
416           used by several vendors to build RIS !! 379          used by several vendors to build RISC/os and Windows NT workstations.
417           Members include the Acer PICA, MIPS  !! 380          Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418           Olivetti M700-10 workstations.       !! 381          Olivetti M700-10 workstations.
419                                                   382 
420 config MACH_INGENIC_SOC                        !! 383 config MACH_INGENIC
421         bool "Ingenic SoC based machines"         384         bool "Ingenic SoC based machines"
422         select MIPS_GENERIC                    !! 385         select SYS_SUPPORTS_32BIT_KERNEL
423         select MACH_INGENIC                    !! 386         select SYS_SUPPORTS_LITTLE_ENDIAN
424         select MACH_GENERIC_CORE               << 
425         select SYS_SUPPORTS_ZBOOT_UART16550       387         select SYS_SUPPORTS_ZBOOT_UART16550
426         select CPU_SUPPORTS_CPUFREQ            !! 388         select DMA_NONCOHERENT
427         select MIPS_EXTERNAL_TIMER             !! 389         select IRQ_MIPS_CPU
                                                   >> 390         select PINCTRL
                                                   >> 391         select GPIOLIB
                                                   >> 392         select COMMON_CLK
                                                   >> 393         select GENERIC_IRQ_CHIP
                                                   >> 394         select BUILTIN_DTB
                                                   >> 395         select USE_OF
                                                   >> 396         select LIBFDT
428                                                   397 
429 config LANTIQ                                     398 config LANTIQ
430         bool "Lantiq based platforms"             399         bool "Lantiq based platforms"
431         select DMA_NONCOHERENT                    400         select DMA_NONCOHERENT
432         select IRQ_MIPS_CPU                       401         select IRQ_MIPS_CPU
433         select CEVT_R4K                           402         select CEVT_R4K
434         select CSRC_R4K                           403         select CSRC_R4K
435         select NO_EXCEPT_FILL                  << 
436         select SYS_HAS_CPU_MIPS32_R1              404         select SYS_HAS_CPU_MIPS32_R1
437         select SYS_HAS_CPU_MIPS32_R2              405         select SYS_HAS_CPU_MIPS32_R2
438         select SYS_SUPPORTS_BIG_ENDIAN            406         select SYS_SUPPORTS_BIG_ENDIAN
439         select SYS_SUPPORTS_32BIT_KERNEL          407         select SYS_SUPPORTS_32BIT_KERNEL
440         select SYS_SUPPORTS_MIPS16                408         select SYS_SUPPORTS_MIPS16
441         select SYS_SUPPORTS_MULTITHREADING        409         select SYS_SUPPORTS_MULTITHREADING
442         select SYS_SUPPORTS_VPE_LOADER            410         select SYS_SUPPORTS_VPE_LOADER
443         select SYS_HAS_EARLY_PRINTK               411         select SYS_HAS_EARLY_PRINTK
444         select GPIOLIB                            412         select GPIOLIB
445         select SWAP_IO_SPACE                      413         select SWAP_IO_SPACE
446         select BOOT_RAW                           414         select BOOT_RAW
447         select HAVE_LEGACY_CLK                 !! 415         select CLKDEV_LOOKUP
448         select USE_OF                             416         select USE_OF
449         select PINCTRL                            417         select PINCTRL
450         select PINCTRL_LANTIQ                     418         select PINCTRL_LANTIQ
451         select ARCH_HAS_RESET_CONTROLLER          419         select ARCH_HAS_RESET_CONTROLLER
452         select RESET_CONTROLLER                   420         select RESET_CONTROLLER
453                                                   421 
                                                   >> 422 config LASAT
                                                   >> 423         bool "LASAT Networks platforms"
                                                   >> 424         select CEVT_R4K
                                                   >> 425         select CRC32
                                                   >> 426         select CSRC_R4K
                                                   >> 427         select DMA_NONCOHERENT
                                                   >> 428         select SYS_HAS_EARLY_PRINTK
                                                   >> 429         select HAVE_PCI
                                                   >> 430         select IRQ_MIPS_CPU
                                                   >> 431         select PCI_GT64XXX_PCI0
                                                   >> 432         select MIPS_NILE4
                                                   >> 433         select R5000_CPU_SCACHE
                                                   >> 434         select SYS_HAS_CPU_R5000
                                                   >> 435         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 436         select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
                                                   >> 437         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 438 
454 config MACH_LOONGSON32                            439 config MACH_LOONGSON32
455         bool "Loongson 32-bit family of machin !! 440         bool "Loongson-1 family of machines"
456         select SYS_SUPPORTS_ZBOOT                 441         select SYS_SUPPORTS_ZBOOT
457         help                                      442         help
458           This enables support for the Loongso    443           This enables support for the Loongson-1 family of machines.
459                                                   444 
460           Loongson-1 is a family of 32-bit MIP    445           Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461           the Institute of Computing Technolog    446           the Institute of Computing Technology (ICT), Chinese Academy of
462           Sciences (CAS).                         447           Sciences (CAS).
463                                                   448 
464 config MACH_LOONGSON2EF                        !! 449 config MACH_LOONGSON64
465         bool "Loongson-2E/F family of machines !! 450         bool "Loongson-2/3 family of machines"
466         select SYS_SUPPORTS_ZBOOT                 451         select SYS_SUPPORTS_ZBOOT
467         help                                      452         help
468           This enables the support of early Lo !! 453           This enables the support of Loongson-2/3 family of machines.
469                                                   454 
470 config MACH_LOONGSON64                         !! 455           Loongson-2 is a family of single-core CPUs and Loongson-3 is a
471         bool "Loongson 64-bit family of machin !! 456           family of multi-core CPUs. They are both 64-bit general-purpose
472         select ARCH_DMA_DEFAULT_COHERENT       !! 457           MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
473         select ARCH_SPARSEMEM_ENABLE           !! 458           of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
474         select ARCH_MIGHT_HAVE_PC_PARPORT      !! 459           in the People's Republic of China. The chief architect is Professor
475         select ARCH_MIGHT_HAVE_PC_SERIO        !! 460           Weiwu Hu.
476         select GENERIC_ISA_DMA_SUPPORT_BROKEN  !! 461 
                                                   >> 462 config MACH_PISTACHIO
                                                   >> 463         bool "IMG Pistachio SoC based boards"
477         select BOOT_ELF32                         464         select BOOT_ELF32
478         select BOARD_SCACHE                    !! 465         select BOOT_RAW
479         select CSRC_R4K                        << 
480         select CEVT_R4K                           466         select CEVT_R4K
481         select SYNC_R4K                        !! 467         select CLKSRC_MIPS_GIC
482         select FORCE_PCI                       !! 468         select COMMON_CLK
483         select ISA                             !! 469         select CSRC_R4K
484         select I8259                           !! 470         select DMA_NONCOHERENT
                                                   >> 471         select GPIOLIB
485         select IRQ_MIPS_CPU                       472         select IRQ_MIPS_CPU
486         select NO_EXCEPT_FILL                  !! 473         select LIBFDT
487         select NR_CPUS_DEFAULT_64              !! 474         select MFD_SYSCON
488         select USE_GENERIC_EARLY_PRINTK_8250   !! 475         select MIPS_CPU_SCACHE
489         select PCI_DRIVERS_GENERIC             !! 476         select MIPS_GIC
490         select SYS_HAS_CPU_LOONGSON64          !! 477         select PINCTRL
491         select SYS_HAS_EARLY_PRINTK            !! 478         select REGULATOR
492         select SYS_SUPPORTS_SMP                !! 479         select SYS_HAS_CPU_MIPS32_R2
493         select SYS_SUPPORTS_HOTPLUG_CPU        !! 480         select SYS_SUPPORTS_32BIT_KERNEL
494         select SYS_SUPPORTS_NUMA               << 
495         select SYS_SUPPORTS_64BIT_KERNEL       << 
496         select SYS_SUPPORTS_HIGHMEM            << 
497         select SYS_SUPPORTS_LITTLE_ENDIAN         481         select SYS_SUPPORTS_LITTLE_ENDIAN
498         select SYS_SUPPORTS_ZBOOT              !! 482         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 483         select SYS_SUPPORTS_MULTITHREADING
499         select SYS_SUPPORTS_RELOCATABLE           484         select SYS_SUPPORTS_RELOCATABLE
500         select ZONE_DMA32                      !! 485         select SYS_SUPPORTS_ZBOOT
501         select COMMON_CLK                      !! 486         select SYS_HAS_EARLY_PRINTK
                                                   >> 487         select USE_GENERIC_EARLY_PRINTK_8250
502         select USE_OF                             488         select USE_OF
503         select BUILTIN_DTB                     << 
504         select PCI_HOST_GENERIC                << 
505         help                                      489         help
506           This enables the support of Loongson !! 490           This enables support for the IMG Pistachio SoC platform.
507                                                << 
508           Loongson-2 and Loongson-3 are 64-bit << 
509           GS264/GS464/GS464E/GS464V microarchi << 
510           and Loongson-2F which will be remove << 
511           of Computing Technology (ICT), Chine << 
512                                                   491 
513 config MIPS_MALTA                                 492 config MIPS_MALTA
514         bool "MIPS Malta board"                   493         bool "MIPS Malta board"
515         select ARCH_MAY_HAVE_PC_FDC               494         select ARCH_MAY_HAVE_PC_FDC
516         select ARCH_MIGHT_HAVE_PC_PARPORT         495         select ARCH_MIGHT_HAVE_PC_PARPORT
517         select ARCH_MIGHT_HAVE_PC_SERIO           496         select ARCH_MIGHT_HAVE_PC_SERIO
518         select BOOT_ELF32                         497         select BOOT_ELF32
519         select BOOT_RAW                           498         select BOOT_RAW
520         select BUILTIN_DTB                        499         select BUILTIN_DTB
521         select CEVT_R4K                           500         select CEVT_R4K
522         select CLKSRC_MIPS_GIC                    501         select CLKSRC_MIPS_GIC
523         select COMMON_CLK                         502         select COMMON_CLK
524         select CSRC_R4K                           503         select CSRC_R4K
525         select DMA_NONCOHERENT                 !! 504         select DMA_MAYBE_COHERENT
526         select GENERIC_ISA_DMA                    505         select GENERIC_ISA_DMA
527         select HAVE_PCSPKR_PLATFORM               506         select HAVE_PCSPKR_PLATFORM
528         select HAVE_PCI                           507         select HAVE_PCI
529         select I8253                              508         select I8253
530         select I8259                              509         select I8259
531         select IRQ_MIPS_CPU                       510         select IRQ_MIPS_CPU
                                                   >> 511         select LIBFDT
532         select MIPS_BONITO64                      512         select MIPS_BONITO64
533         select MIPS_CPU_SCACHE                    513         select MIPS_CPU_SCACHE
534         select MIPS_GIC                           514         select MIPS_GIC
535         select MIPS_L1_CACHE_SHIFT_6              515         select MIPS_L1_CACHE_SHIFT_6
536         select MIPS_MSC                           516         select MIPS_MSC
537         select PCI_GT64XXX_PCI0                   517         select PCI_GT64XXX_PCI0
538         select SMP_UP if SMP                      518         select SMP_UP if SMP
539         select SWAP_IO_SPACE                      519         select SWAP_IO_SPACE
540         select SYS_HAS_CPU_MIPS32_R1              520         select SYS_HAS_CPU_MIPS32_R1
541         select SYS_HAS_CPU_MIPS32_R2              521         select SYS_HAS_CPU_MIPS32_R2
542         select SYS_HAS_CPU_MIPS32_R3_5            522         select SYS_HAS_CPU_MIPS32_R3_5
543         select SYS_HAS_CPU_MIPS32_R5              523         select SYS_HAS_CPU_MIPS32_R5
544         select SYS_HAS_CPU_MIPS32_R6              524         select SYS_HAS_CPU_MIPS32_R6
545         select SYS_HAS_CPU_MIPS64_R1              525         select SYS_HAS_CPU_MIPS64_R1
546         select SYS_HAS_CPU_MIPS64_R2              526         select SYS_HAS_CPU_MIPS64_R2
547         select SYS_HAS_CPU_MIPS64_R6              527         select SYS_HAS_CPU_MIPS64_R6
548         select SYS_HAS_CPU_NEVADA                 528         select SYS_HAS_CPU_NEVADA
549         select SYS_HAS_CPU_RM7000                 529         select SYS_HAS_CPU_RM7000
550         select SYS_SUPPORTS_32BIT_KERNEL          530         select SYS_SUPPORTS_32BIT_KERNEL
551         select SYS_SUPPORTS_64BIT_KERNEL          531         select SYS_SUPPORTS_64BIT_KERNEL
552         select SYS_SUPPORTS_BIG_ENDIAN            532         select SYS_SUPPORTS_BIG_ENDIAN
553         select SYS_SUPPORTS_HIGHMEM               533         select SYS_SUPPORTS_HIGHMEM
554         select SYS_SUPPORTS_LITTLE_ENDIAN         534         select SYS_SUPPORTS_LITTLE_ENDIAN
555         select SYS_SUPPORTS_MICROMIPS             535         select SYS_SUPPORTS_MICROMIPS
556         select SYS_SUPPORTS_MIPS16                536         select SYS_SUPPORTS_MIPS16
                                                   >> 537         select SYS_SUPPORTS_MIPS_CMP
557         select SYS_SUPPORTS_MIPS_CPS              538         select SYS_SUPPORTS_MIPS_CPS
558         select SYS_SUPPORTS_MULTITHREADING        539         select SYS_SUPPORTS_MULTITHREADING
559         select SYS_SUPPORTS_RELOCATABLE           540         select SYS_SUPPORTS_RELOCATABLE
560         select SYS_SUPPORTS_SMARTMIPS             541         select SYS_SUPPORTS_SMARTMIPS
561         select SYS_SUPPORTS_VPE_LOADER            542         select SYS_SUPPORTS_VPE_LOADER
562         select SYS_SUPPORTS_ZBOOT                 543         select SYS_SUPPORTS_ZBOOT
563         select USE_OF                             544         select USE_OF
564         select WAR_ICACHE_REFILLS              << 
565         select ZONE_DMA32 if 64BIT                545         select ZONE_DMA32 if 64BIT
566         help                                      546         help
567           This enables support for the MIPS Te    547           This enables support for the MIPS Technologies Malta evaluation
568           board.                                  548           board.
569                                                   549 
570 config MACH_PIC32                                 550 config MACH_PIC32
571         bool "Microchip PIC32 Family"             551         bool "Microchip PIC32 Family"
572         help                                      552         help
573           This enables support for the Microch    553           This enables support for the Microchip PIC32 family of platforms.
574                                                   554 
575           Microchip PIC32 is a family of gener    555           Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576           microcontrollers.                       556           microcontrollers.
577                                                   557 
578 config EYEQ                                    !! 558 config NEC_MARKEINS
579         bool "Mobileye EyeQ SoC"               !! 559         bool "NEC EMMA2RH Mark-eins board"
580         select MACH_GENERIC_CORE               !! 560         select SOC_EMMA2RH
581         select ARM_AMBA                        !! 561         select HAVE_PCI
582         select PHYSICAL_START_BOOL             !! 562         help
583         select ARCH_SPARSEMEM_DEFAULT if 64BIT !! 563           This enables support for the NEC Electronics Mark-eins boards.
584         select BOOT_RAW                        !! 564 
585         select BUILTIN_DTB                     !! 565 config MACH_VR41XX
                                                   >> 566         bool "NEC VR4100 series based machines"
586         select CEVT_R4K                           567         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                           568         select CSRC_R4K
592         select DMA_NONCOHERENT                 !! 569         select SYS_HAS_CPU_VR41XX
593         select HAVE_PCI                        !! 570         select SYS_SUPPORTS_MIPS16
594         select IRQ_MIPS_CPU                    !! 571         select GPIOLIB
595         select MIPS_AUTO_PFN_OFFSET            !! 572 
596         select MIPS_CPU_SCACHE                 !! 573 config NXP_STB220
597         select MIPS_GIC                        !! 574         bool "NXP STB220 board"
598         select MIPS_L1_CACHE_SHIFT_7           !! 575         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                                      576         help
618           Select this to build a kernel suppor !! 577          Support for NXP Semiconductors STB220 Development Board.
619                                                   578 
620         bool                                   !! 579 config NXP_STB225
                                                   >> 580         bool "NXP 225 board"
                                                   >> 581         select SOC_PNX833X
                                                   >> 582         select SOC_PNX8335
                                                   >> 583         help
                                                   >> 584          Support for NXP Semiconductors STB225 Development Board.
621                                                   585 
622 config MACH_NINTENDO64                         !! 586 config PMC_MSP
623         bool "Nintendo 64 console"             !! 587         bool "PMC-Sierra MSP chipsets"
624         select CEVT_R4K                           588         select CEVT_R4K
625         select CSRC_R4K                           589         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                    590         select DMA_NONCOHERENT
                                                   >> 591         select SWAP_IO_SPACE
                                                   >> 592         select NO_EXCEPT_FILL
                                                   >> 593         select BOOT_RAW
                                                   >> 594         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 595         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 596         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 597         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 598         select SYS_SUPPORTS_MIPS16
632         select IRQ_MIPS_CPU                       599         select IRQ_MIPS_CPU
                                                   >> 600         select SERIAL_8250
                                                   >> 601         select SERIAL_8250_CONSOLE
                                                   >> 602         select USB_EHCI_BIG_ENDIAN_MMIO
                                                   >> 603         select USB_EHCI_BIG_ENDIAN_DESC
                                                   >> 604         help
                                                   >> 605           This adds support for the PMC-Sierra family of Multi-Service
                                                   >> 606           Processor System-On-A-Chips.  These parts include a number
                                                   >> 607           of integrated peripherals, interfaces and DSPs in addition to
                                                   >> 608           a variety of MIPS cores.
633                                                   609 
634 config RALINK                                     610 config RALINK
635         bool "Ralink based machines"              611         bool "Ralink based machines"
636         select CEVT_R4K                           612         select CEVT_R4K
637         select COMMON_CLK                      << 
638         select CSRC_R4K                           613         select CSRC_R4K
639         select BOOT_RAW                           614         select BOOT_RAW
640         select DMA_NONCOHERENT                    615         select DMA_NONCOHERENT
641         select IRQ_MIPS_CPU                       616         select IRQ_MIPS_CPU
642         select USE_OF                             617         select USE_OF
                                                   >> 618         select SYS_HAS_CPU_MIPS32_R1
643         select SYS_HAS_CPU_MIPS32_R2              619         select SYS_HAS_CPU_MIPS32_R2
644         select SYS_SUPPORTS_32BIT_KERNEL          620         select SYS_SUPPORTS_32BIT_KERNEL
645         select SYS_SUPPORTS_LITTLE_ENDIAN         621         select SYS_SUPPORTS_LITTLE_ENDIAN
646         select SYS_SUPPORTS_MIPS16                622         select SYS_SUPPORTS_MIPS16
647         select SYS_SUPPORTS_ZBOOT              << 
648         select SYS_HAS_EARLY_PRINTK               623         select SYS_HAS_EARLY_PRINTK
                                                   >> 624         select CLKDEV_LOOKUP
649         select ARCH_HAS_RESET_CONTROLLER          625         select ARCH_HAS_RESET_CONTROLLER
650         select RESET_CONTROLLER                   626         select RESET_CONTROLLER
651                                                   627 
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                                   628 config SGI_IP22
673         bool "SGI IP22 (Indy/Indigo2)"            629         bool "SGI IP22 (Indy/Indigo2)"
674         select ARC_MEMORY                      << 
675         select ARC_PROMLIB                     << 
676         select FW_ARC                             630         select FW_ARC
677         select FW_ARC32                           631         select FW_ARC32
678         select ARCH_MIGHT_HAVE_PC_SERIO           632         select ARCH_MIGHT_HAVE_PC_SERIO
679         select BOOT_ELF32                         633         select BOOT_ELF32
680         select CEVT_R4K                           634         select CEVT_R4K
681         select CSRC_R4K                           635         select CSRC_R4K
682         select DEFAULT_SGI_PARTITION              636         select DEFAULT_SGI_PARTITION
683         select DMA_NONCOHERENT                    637         select DMA_NONCOHERENT
684         select HAVE_EISA                          638         select HAVE_EISA
685         select I8253                              639         select I8253
686         select I8259                              640         select I8259
687         select IP22_CPU_SCACHE                    641         select IP22_CPU_SCACHE
688         select IRQ_MIPS_CPU                       642         select IRQ_MIPS_CPU
689         select GENERIC_ISA_DMA_SUPPORT_BROKEN     643         select GENERIC_ISA_DMA_SUPPORT_BROKEN
690         select SGI_HAS_I8042                      644         select SGI_HAS_I8042
691         select SGI_HAS_INDYDOG                    645         select SGI_HAS_INDYDOG
692         select SGI_HAS_HAL2                       646         select SGI_HAS_HAL2
693         select SGI_HAS_SEEQ                       647         select SGI_HAS_SEEQ
694         select SGI_HAS_WD93                       648         select SGI_HAS_WD93
695         select SGI_HAS_ZILOG                      649         select SGI_HAS_ZILOG
696         select SWAP_IO_SPACE                      650         select SWAP_IO_SPACE
697         select SYS_HAS_CPU_R4X00                  651         select SYS_HAS_CPU_R4X00
698         select SYS_HAS_CPU_R5000                  652         select SYS_HAS_CPU_R5000
699         select SYS_HAS_EARLY_PRINTK            !! 653         #
                                                   >> 654         # Disable EARLY_PRINTK for now since it leads to overwritten prom
                                                   >> 655         # memory during early boot on some machines.
                                                   >> 656         #
                                                   >> 657         # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
                                                   >> 658         # for a more details discussion
                                                   >> 659         #
                                                   >> 660         # select SYS_HAS_EARLY_PRINTK
700         select SYS_SUPPORTS_32BIT_KERNEL          661         select SYS_SUPPORTS_32BIT_KERNEL
701         select SYS_SUPPORTS_64BIT_KERNEL          662         select SYS_SUPPORTS_64BIT_KERNEL
702         select SYS_SUPPORTS_BIG_ENDIAN            663         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              664         select MIPS_L1_CACHE_SHIFT_7
707         help                                      665         help
708           This are the SGI Indy, Challenge S a    666           This are the SGI Indy, Challenge S and Indigo2, as well as certain
709           OEM variants like the Tandem CMN B00    667           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710           that runs on these, say Y here.         668           that runs on these, say Y here.
711                                                   669 
712 config SGI_IP27                                   670 config SGI_IP27
713         bool "SGI IP27 (Origin200/2000)"          671         bool "SGI IP27 (Origin200/2000)"
714         select ARCH_HAS_PHYS_TO_DMA               672         select ARCH_HAS_PHYS_TO_DMA
715         select ARCH_SPARSEMEM_ENABLE           << 
716         select FW_ARC                             673         select FW_ARC
717         select FW_ARC64                           674         select FW_ARC64
718         select ARC_CMDLINE_ONLY                << 
719         select BOOT_ELF64                         675         select BOOT_ELF64
720         select DEFAULT_SGI_PARTITION              676         select DEFAULT_SGI_PARTITION
721         select FORCE_PCI                       << 
722         select SYS_HAS_EARLY_PRINTK               677         select SYS_HAS_EARLY_PRINTK
723         select HAVE_PCI                           678         select HAVE_PCI
724         select IRQ_MIPS_CPU                    << 
725         select IRQ_DOMAIN_HIERARCHY            << 
726         select NR_CPUS_DEFAULT_64                 679         select NR_CPUS_DEFAULT_64
727         select PCI_DRIVERS_GENERIC             << 
728         select PCI_XTALK_BRIDGE                << 
729         select SYS_HAS_CPU_R10000                 680         select SYS_HAS_CPU_R10000
730         select SYS_SUPPORTS_64BIT_KERNEL          681         select SYS_SUPPORTS_64BIT_KERNEL
731         select SYS_SUPPORTS_BIG_ENDIAN            682         select SYS_SUPPORTS_BIG_ENDIAN
732         select SYS_SUPPORTS_NUMA                  683         select SYS_SUPPORTS_NUMA
733         select SYS_SUPPORTS_SMP                   684         select SYS_SUPPORTS_SMP
734         select WAR_R10000_LLSC                 << 
735         select MIPS_L1_CACHE_SHIFT_7              685         select MIPS_L1_CACHE_SHIFT_7
736         select NUMA                            << 
737         help                                      686         help
738           This are the SGI Origin 200, Origin     687           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739           workstations.  To compile a Linux ke    688           workstations.  To compile a Linux kernel that runs on these, say Y
740           here.                                   689           here.
741                                                   690 
742 config SGI_IP28                                   691 config SGI_IP28
743         bool "SGI IP28 (Indigo2 R10k)"            692         bool "SGI IP28 (Indigo2 R10k)"
744         select ARC_MEMORY                      << 
745         select ARC_PROMLIB                     << 
746         select FW_ARC                             693         select FW_ARC
747         select FW_ARC64                           694         select FW_ARC64
748         select ARCH_MIGHT_HAVE_PC_SERIO           695         select ARCH_MIGHT_HAVE_PC_SERIO
749         select BOOT_ELF64                         696         select BOOT_ELF64
750         select CEVT_R4K                           697         select CEVT_R4K
751         select CSRC_R4K                           698         select CSRC_R4K
752         select DEFAULT_SGI_PARTITION              699         select DEFAULT_SGI_PARTITION
753         select DMA_NONCOHERENT                    700         select DMA_NONCOHERENT
754         select GENERIC_ISA_DMA_SUPPORT_BROKEN     701         select GENERIC_ISA_DMA_SUPPORT_BROKEN
755         select IRQ_MIPS_CPU                       702         select IRQ_MIPS_CPU
756         select HAVE_EISA                          703         select HAVE_EISA
757         select I8253                              704         select I8253
758         select I8259                              705         select I8259
759         select SGI_HAS_I8042                      706         select SGI_HAS_I8042
760         select SGI_HAS_INDYDOG                    707         select SGI_HAS_INDYDOG
761         select SGI_HAS_HAL2                       708         select SGI_HAS_HAL2
762         select SGI_HAS_SEEQ                       709         select SGI_HAS_SEEQ
763         select SGI_HAS_WD93                       710         select SGI_HAS_WD93
764         select SGI_HAS_ZILOG                      711         select SGI_HAS_ZILOG
765         select SWAP_IO_SPACE                      712         select SWAP_IO_SPACE
766         select SYS_HAS_CPU_R10000                 713         select SYS_HAS_CPU_R10000
767         select SYS_HAS_EARLY_PRINTK            !! 714         #
768         select SYS_SUPPORTS_64BIT_KERNEL       !! 715         # Disable EARLY_PRINTK for now since it leads to overwritten prom
769         select SYS_SUPPORTS_BIG_ENDIAN         !! 716         # memory during early boot on some machines.
770         select WAR_R10000_LLSC                 !! 717         #
771         select MIPS_L1_CACHE_SHIFT_7           !! 718         # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
772         help                                   !! 719         # for a more details discussion
773           This is the SGI Indigo2 with R10000  !! 720         #
774           kernel that runs on these, say Y her !! 721         # select SYS_HAS_EARLY_PRINTK
775                                                << 
776 config SGI_IP30                                << 
777         bool "SGI IP30 (Octane/Octane2)"       << 
778         select ARCH_HAS_PHYS_TO_DMA            << 
779         select FW_ARC                          << 
780         select FW_ARC64                        << 
781         select BOOT_ELF64                      << 
782         select CEVT_R4K                        << 
783         select CSRC_R4K                        << 
784         select FORCE_PCI                       << 
785         select SYNC_R4K if SMP                 << 
786         select ZONE_DMA32                      << 
787         select HAVE_PCI                        << 
788         select IRQ_MIPS_CPU                    << 
789         select IRQ_DOMAIN_HIERARCHY            << 
790         select PCI_DRIVERS_GENERIC             << 
791         select PCI_XTALK_BRIDGE                << 
792         select SYS_HAS_EARLY_PRINTK            << 
793         select SYS_HAS_CPU_R10000              << 
794         select SYS_SUPPORTS_64BIT_KERNEL          722         select SYS_SUPPORTS_64BIT_KERNEL
795         select SYS_SUPPORTS_BIG_ENDIAN            723         select SYS_SUPPORTS_BIG_ENDIAN
796         select SYS_SUPPORTS_SMP                << 
797         select WAR_R10000_LLSC                 << 
798         select MIPS_L1_CACHE_SHIFT_7              724         select MIPS_L1_CACHE_SHIFT_7
799         select ARC_MEMORY                      !! 725       help
800         help                                   !! 726         This is the SGI Indigo2 with R10000 processor.  To compile a Linux
801           These are the SGI Octane and Octane2 !! 727         kernel that runs on these, say Y here.
802           compile a Linux kernel that runs on  << 
803                                                   728 
804 config SGI_IP32                                   729 config SGI_IP32
805         bool "SGI IP32 (O2)"                      730         bool "SGI IP32 (O2)"
806         select ARC_MEMORY                      << 
807         select ARC_PROMLIB                     << 
808         select ARCH_HAS_PHYS_TO_DMA               731         select ARCH_HAS_PHYS_TO_DMA
809         select FW_ARC                             732         select FW_ARC
810         select FW_ARC32                           733         select FW_ARC32
811         select BOOT_ELF32                         734         select BOOT_ELF32
812         select CEVT_R4K                           735         select CEVT_R4K
813         select CSRC_R4K                           736         select CSRC_R4K
814         select DMA_NONCOHERENT                    737         select DMA_NONCOHERENT
815         select HAVE_PCI                           738         select HAVE_PCI
816         select IRQ_MIPS_CPU                       739         select IRQ_MIPS_CPU
817         select R5000_CPU_SCACHE                   740         select R5000_CPU_SCACHE
818         select RM7000_CPU_SCACHE                  741         select RM7000_CPU_SCACHE
819         select SYS_HAS_CPU_R5000                  742         select SYS_HAS_CPU_R5000
820         select SYS_HAS_CPU_R10000 if BROKEN       743         select SYS_HAS_CPU_R10000 if BROKEN
821         select SYS_HAS_CPU_RM7000                 744         select SYS_HAS_CPU_RM7000
822         select SYS_HAS_CPU_NEVADA                 745         select SYS_HAS_CPU_NEVADA
823         select SYS_SUPPORTS_64BIT_KERNEL          746         select SYS_SUPPORTS_64BIT_KERNEL
824         select SYS_SUPPORTS_BIG_ENDIAN            747         select SYS_SUPPORTS_BIG_ENDIAN
825         select WAR_ICACHE_REFILLS              << 
826         help                                      748         help
827           If you want this kernel to run on SG    749           If you want this kernel to run on SGI O2 workstation, say Y here.
828                                                   750 
                                                   >> 751 config SIBYTE_CRHINE
                                                   >> 752         bool "Sibyte BCM91120C-CRhine"
                                                   >> 753         select BOOT_ELF32
                                                   >> 754         select SIBYTE_BCM1120
                                                   >> 755         select SWAP_IO_SPACE
                                                   >> 756         select SYS_HAS_CPU_SB1
                                                   >> 757         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 758         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 759 
                                                   >> 760 config SIBYTE_CARMEL
                                                   >> 761         bool "Sibyte BCM91120x-Carmel"
                                                   >> 762         select BOOT_ELF32
                                                   >> 763         select SIBYTE_BCM1120
                                                   >> 764         select SWAP_IO_SPACE
                                                   >> 765         select SYS_HAS_CPU_SB1
                                                   >> 766         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 767         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 768 
829 config SIBYTE_CRHONE                              769 config SIBYTE_CRHONE
830         bool "Sibyte BCM91125C-CRhone"            770         bool "Sibyte BCM91125C-CRhone"
831         select BOOT_ELF32                         771         select BOOT_ELF32
832         select SIBYTE_BCM1125                     772         select SIBYTE_BCM1125
833         select SWAP_IO_SPACE                      773         select SWAP_IO_SPACE
834         select SYS_HAS_CPU_SB1                    774         select SYS_HAS_CPU_SB1
835         select SYS_SUPPORTS_BIG_ENDIAN            775         select SYS_SUPPORTS_BIG_ENDIAN
836         select SYS_SUPPORTS_HIGHMEM               776         select SYS_SUPPORTS_HIGHMEM
837         select SYS_SUPPORTS_LITTLE_ENDIAN         777         select SYS_SUPPORTS_LITTLE_ENDIAN
838                                                   778 
839 config SIBYTE_RHONE                               779 config SIBYTE_RHONE
840         bool "Sibyte BCM91125E-Rhone"             780         bool "Sibyte BCM91125E-Rhone"
841         select BOOT_ELF32                         781         select BOOT_ELF32
842         select SIBYTE_SB1250                   !! 782         select SIBYTE_BCM1125H
843         select SWAP_IO_SPACE                      783         select SWAP_IO_SPACE
844         select SYS_HAS_CPU_SB1                    784         select SYS_HAS_CPU_SB1
845         select SYS_SUPPORTS_BIG_ENDIAN            785         select SYS_SUPPORTS_BIG_ENDIAN
846         select SYS_SUPPORTS_LITTLE_ENDIAN         786         select SYS_SUPPORTS_LITTLE_ENDIAN
847                                                   787 
848 config SIBYTE_SWARM                               788 config SIBYTE_SWARM
849         bool "Sibyte BCM91250A-SWARM"             789         bool "Sibyte BCM91250A-SWARM"
850         select BOOT_ELF32                         790         select BOOT_ELF32
851         select HAVE_PATA_PLATFORM                 791         select HAVE_PATA_PLATFORM
852         select SIBYTE_SB1250                      792         select SIBYTE_SB1250
853         select SWAP_IO_SPACE                      793         select SWAP_IO_SPACE
854         select SYS_HAS_CPU_SB1                    794         select SYS_HAS_CPU_SB1
855         select SYS_SUPPORTS_BIG_ENDIAN            795         select SYS_SUPPORTS_BIG_ENDIAN
856         select SYS_SUPPORTS_HIGHMEM               796         select SYS_SUPPORTS_HIGHMEM
857         select SYS_SUPPORTS_LITTLE_ENDIAN         797         select SYS_SUPPORTS_LITTLE_ENDIAN
858         select ZONE_DMA32 if 64BIT                798         select ZONE_DMA32 if 64BIT
859         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    799         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860                                                   800 
861 config SIBYTE_LITTLESUR                           801 config SIBYTE_LITTLESUR
862         bool "Sibyte BCM91250C2-LittleSur"        802         bool "Sibyte BCM91250C2-LittleSur"
863         select BOOT_ELF32                         803         select BOOT_ELF32
864         select HAVE_PATA_PLATFORM                 804         select HAVE_PATA_PLATFORM
865         select SIBYTE_SB1250                      805         select SIBYTE_SB1250
866         select SWAP_IO_SPACE                      806         select SWAP_IO_SPACE
867         select SYS_HAS_CPU_SB1                    807         select SYS_HAS_CPU_SB1
868         select SYS_SUPPORTS_BIG_ENDIAN            808         select SYS_SUPPORTS_BIG_ENDIAN
869         select SYS_SUPPORTS_HIGHMEM               809         select SYS_SUPPORTS_HIGHMEM
870         select SYS_SUPPORTS_LITTLE_ENDIAN         810         select SYS_SUPPORTS_LITTLE_ENDIAN
871         select ZONE_DMA32 if 64BIT                811         select ZONE_DMA32 if 64BIT
872                                                   812 
873 config SIBYTE_SENTOSA                             813 config SIBYTE_SENTOSA
874         bool "Sibyte BCM91250E-Sentosa"           814         bool "Sibyte BCM91250E-Sentosa"
875         select BOOT_ELF32                         815         select BOOT_ELF32
876         select SIBYTE_SB1250                      816         select SIBYTE_SB1250
877         select SWAP_IO_SPACE                      817         select SWAP_IO_SPACE
878         select SYS_HAS_CPU_SB1                    818         select SYS_HAS_CPU_SB1
879         select SYS_SUPPORTS_BIG_ENDIAN            819         select SYS_SUPPORTS_BIG_ENDIAN
880         select SYS_SUPPORTS_LITTLE_ENDIAN         820         select SYS_SUPPORTS_LITTLE_ENDIAN
881         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    821         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882                                                   822 
883 config SIBYTE_BIGSUR                              823 config SIBYTE_BIGSUR
884         bool "Sibyte BCM91480B-BigSur"            824         bool "Sibyte BCM91480B-BigSur"
885         select BOOT_ELF32                         825         select BOOT_ELF32
886         select NR_CPUS_DEFAULT_4                  826         select NR_CPUS_DEFAULT_4
887         select SIBYTE_BCM1x80                     827         select SIBYTE_BCM1x80
888         select SWAP_IO_SPACE                      828         select SWAP_IO_SPACE
889         select SYS_HAS_CPU_SB1                    829         select SYS_HAS_CPU_SB1
890         select SYS_SUPPORTS_BIG_ENDIAN            830         select SYS_SUPPORTS_BIG_ENDIAN
891         select SYS_SUPPORTS_HIGHMEM               831         select SYS_SUPPORTS_HIGHMEM
892         select SYS_SUPPORTS_LITTLE_ENDIAN         832         select SYS_SUPPORTS_LITTLE_ENDIAN
893         select ZONE_DMA32 if 64BIT                833         select ZONE_DMA32 if 64BIT
894         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    834         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895                                                   835 
896 config SNI_RM                                     836 config SNI_RM
897         bool "SNI RM200/300/400"                  837         bool "SNI RM200/300/400"
898         select ARC_MEMORY                      << 
899         select ARC_PROMLIB                     << 
900         select FW_ARC if CPU_LITTLE_ENDIAN        838         select FW_ARC if CPU_LITTLE_ENDIAN
901         select FW_ARC32 if CPU_LITTLE_ENDIAN      839         select FW_ARC32 if CPU_LITTLE_ENDIAN
902         select FW_SNIPROM if CPU_BIG_ENDIAN       840         select FW_SNIPROM if CPU_BIG_ENDIAN
903         select ARCH_MAY_HAVE_PC_FDC               841         select ARCH_MAY_HAVE_PC_FDC
904         select ARCH_MIGHT_HAVE_PC_PARPORT         842         select ARCH_MIGHT_HAVE_PC_PARPORT
905         select ARCH_MIGHT_HAVE_PC_SERIO           843         select ARCH_MIGHT_HAVE_PC_SERIO
906         select BOOT_ELF32                         844         select BOOT_ELF32
907         select CEVT_R4K                           845         select CEVT_R4K
908         select CSRC_R4K                           846         select CSRC_R4K
909         select DEFAULT_SGI_PARTITION if CPU_BI    847         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910         select DMA_NONCOHERENT                    848         select DMA_NONCOHERENT
911         select GENERIC_ISA_DMA                    849         select GENERIC_ISA_DMA
912         select HAVE_EISA                          850         select HAVE_EISA
913         select HAVE_PCSPKR_PLATFORM               851         select HAVE_PCSPKR_PLATFORM
914         select HAVE_PCI                           852         select HAVE_PCI
915         select IRQ_MIPS_CPU                       853         select IRQ_MIPS_CPU
916         select I8253                              854         select I8253
917         select I8259                              855         select I8259
918         select ISA                                856         select ISA
919         select MIPS_L1_CACHE_SHIFT_6           << 
920         select SWAP_IO_SPACE if CPU_BIG_ENDIAN    857         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921         select SYS_HAS_CPU_R4X00                  858         select SYS_HAS_CPU_R4X00
922         select SYS_HAS_CPU_R5000                  859         select SYS_HAS_CPU_R5000
923         select SYS_HAS_CPU_R10000                 860         select SYS_HAS_CPU_R10000
924         select R5000_CPU_SCACHE                   861         select R5000_CPU_SCACHE
925         select SYS_HAS_EARLY_PRINTK               862         select SYS_HAS_EARLY_PRINTK
926         select SYS_SUPPORTS_32BIT_KERNEL          863         select SYS_SUPPORTS_32BIT_KERNEL
927         select SYS_SUPPORTS_64BIT_KERNEL          864         select SYS_SUPPORTS_64BIT_KERNEL
928         select SYS_SUPPORTS_BIG_ENDIAN            865         select SYS_SUPPORTS_BIG_ENDIAN
929         select SYS_SUPPORTS_HIGHMEM               866         select SYS_SUPPORTS_HIGHMEM
930         select SYS_SUPPORTS_LITTLE_ENDIAN         867         select SYS_SUPPORTS_LITTLE_ENDIAN
931         select WAR_R4600_V2_HIT_CACHEOP        << 
932         help                                      868         help
933           The SNI RM200/300/400 are MIPS-based    869           The SNI RM200/300/400 are MIPS-based machines manufactured by
934           Siemens Nixdorf Informationssysteme     870           Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935           Technology and now in turn merged wi    871           Technology and now in turn merged with Fujitsu.  Say Y here to
936           support this machine type.              872           support this machine type.
937                                                   873 
                                                   >> 874 config MACH_TX39XX
                                                   >> 875         bool "Toshiba TX39 series based machines"
                                                   >> 876 
938 config MACH_TX49XX                                877 config MACH_TX49XX
939         bool "Toshiba TX49 series based machin    878         bool "Toshiba TX49 series based machines"
940         select WAR_TX49XX_ICACHE_INDEX_INV     << 
941                                                   879 
942 config MIKROTIK_RB532                             880 config MIKROTIK_RB532
943         bool "Mikrotik RB532 boards"              881         bool "Mikrotik RB532 boards"
944         select CEVT_R4K                           882         select CEVT_R4K
945         select CSRC_R4K                           883         select CSRC_R4K
946         select DMA_NONCOHERENT                    884         select DMA_NONCOHERENT
947         select HAVE_PCI                           885         select HAVE_PCI
948         select IRQ_MIPS_CPU                       886         select IRQ_MIPS_CPU
949         select SYS_HAS_CPU_MIPS32_R1              887         select SYS_HAS_CPU_MIPS32_R1
950         select SYS_SUPPORTS_32BIT_KERNEL          888         select SYS_SUPPORTS_32BIT_KERNEL
951         select SYS_SUPPORTS_LITTLE_ENDIAN         889         select SYS_SUPPORTS_LITTLE_ENDIAN
952         select SWAP_IO_SPACE                      890         select SWAP_IO_SPACE
953         select BOOT_RAW                           891         select BOOT_RAW
954         select GPIOLIB                            892         select GPIOLIB
955         select MIPS_L1_CACHE_SHIFT_4              893         select MIPS_L1_CACHE_SHIFT_4
956         help                                      894         help
957           Support the Mikrotik(tm) RouterBoard    895           Support the Mikrotik(tm) RouterBoard 532 series,
958           based on the IDT RC32434 SoC.           896           based on the IDT RC32434 SoC.
959                                                   897 
960 config CAVIUM_OCTEON_SOC                          898 config CAVIUM_OCTEON_SOC
961         bool "Cavium Networks Octeon SoC based    899         bool "Cavium Networks Octeon SoC based boards"
962         select CEVT_R4K                           900         select CEVT_R4K
963         select ARCH_HAS_PHYS_TO_DMA               901         select ARCH_HAS_PHYS_TO_DMA
964         select HAVE_RAPIDIO                       902         select HAVE_RAPIDIO
965         select PHYS_ADDR_T_64BIT                  903         select PHYS_ADDR_T_64BIT
966         select SYS_SUPPORTS_64BIT_KERNEL          904         select SYS_SUPPORTS_64BIT_KERNEL
967         select SYS_SUPPORTS_BIG_ENDIAN            905         select SYS_SUPPORTS_BIG_ENDIAN
968         select EDAC_SUPPORT                       906         select EDAC_SUPPORT
969         select EDAC_ATOMIC_SCRUB                  907         select EDAC_ATOMIC_SCRUB
970         select SYS_SUPPORTS_LITTLE_ENDIAN         908         select SYS_SUPPORTS_LITTLE_ENDIAN
971         select SYS_SUPPORTS_HOTPLUG_CPU if CPU    909         select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972         select SYS_HAS_EARLY_PRINTK               910         select SYS_HAS_EARLY_PRINTK
973         select SYS_HAS_CPU_CAVIUM_OCTEON          911         select SYS_HAS_CPU_CAVIUM_OCTEON
974         select HAVE_PCI                           912         select HAVE_PCI
975         select HAVE_PLAT_DELAY                 << 
976         select HAVE_PLAT_FW_INIT_CMDLINE       << 
977         select HAVE_PLAT_MEMCPY                << 
978         select ZONE_DMA32                         913         select ZONE_DMA32
                                                   >> 914         select HOLES_IN_ZONE
979         select GPIOLIB                            915         select GPIOLIB
                                                   >> 916         select LIBFDT
980         select USE_OF                             917         select USE_OF
981         select ARCH_SPARSEMEM_ENABLE              918         select ARCH_SPARSEMEM_ENABLE
982         select SYS_SUPPORTS_SMP                   919         select SYS_SUPPORTS_SMP
983         select NR_CPUS_DEFAULT_64                 920         select NR_CPUS_DEFAULT_64
984         select MIPS_NR_CPU_NR_MAP_1024            921         select MIPS_NR_CPU_NR_MAP_1024
985         select BUILTIN_DTB                        922         select BUILTIN_DTB
986         select MTD                             << 
987         select MTD_COMPLEX_MAPPINGS               923         select MTD_COMPLEX_MAPPINGS
988         select SWIOTLB                            924         select SWIOTLB
989         select SYS_SUPPORTS_RELOCATABLE           925         select SYS_SUPPORTS_RELOCATABLE
990         help                                      926         help
991           This option supports all of the Octe    927           This option supports all of the Octeon reference boards from Cavium
992           Networks. It builds a kernel that dy    928           Networks. It builds a kernel that dynamically determines the Octeon
993           CPU type and supports all known boar    929           CPU type and supports all known board reference implementations.
994           Some of the supported boards are:       930           Some of the supported boards are:
995                 EBT3000                           931                 EBT3000
996                 EBH3000                           932                 EBH3000
997                 EBH3100                           933                 EBH3100
998                 Thunder                           934                 Thunder
999                 Kodama                            935                 Kodama
1000                 Hikari                           936                 Hikari
1001           Say Y here for most Octeon referenc    937           Say Y here for most Octeon reference boards.
1002                                                  938 
1003 endchoice                                     !! 939 config NLM_XLR_BOARD
                                                   >> 940         bool "Netlogic XLR/XLS based systems"
                                                   >> 941         select BOOT_ELF32
                                                   >> 942         select NLM_COMMON
                                                   >> 943         select SYS_HAS_CPU_XLR
                                                   >> 944         select SYS_SUPPORTS_SMP
                                                   >> 945         select HAVE_PCI
                                                   >> 946         select SWAP_IO_SPACE
                                                   >> 947         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 948         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 949         select PHYS_ADDR_T_64BIT
                                                   >> 950         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 951         select SYS_SUPPORTS_HIGHMEM
                                                   >> 952         select NR_CPUS_DEFAULT_32
                                                   >> 953         select CEVT_R4K
                                                   >> 954         select CSRC_R4K
                                                   >> 955         select IRQ_MIPS_CPU
                                                   >> 956         select ZONE_DMA32 if 64BIT
                                                   >> 957         select SYNC_R4K
                                                   >> 958         select SYS_HAS_EARLY_PRINTK
                                                   >> 959         select SYS_SUPPORTS_ZBOOT
                                                   >> 960         select SYS_SUPPORTS_ZBOOT_UART16550
                                                   >> 961         help
                                                   >> 962           Support for systems based on Netlogic XLR and XLS processors.
                                                   >> 963           Say Y here if you have a XLR or XLS based board.
1004                                                  964 
1005 config FIT_IMAGE_FDT_EPM5                     !! 965 config NLM_XLP_BOARD
1006         bool "Include FDT for Mobileye EyeQ5  !! 966         bool "Netlogic XLP based systems"
1007         depends on MACH_EYEQ5                 !! 967         select BOOT_ELF32
1008         default n                             !! 968         select NLM_COMMON
                                                   >> 969         select SYS_HAS_CPU_XLP
                                                   >> 970         select SYS_SUPPORTS_SMP
                                                   >> 971         select HAVE_PCI
                                                   >> 972         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 973         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 974         select PHYS_ADDR_T_64BIT
                                                   >> 975         select GPIOLIB
                                                   >> 976         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 977         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 978         select SYS_SUPPORTS_HIGHMEM
                                                   >> 979         select NR_CPUS_DEFAULT_32
                                                   >> 980         select CEVT_R4K
                                                   >> 981         select CSRC_R4K
                                                   >> 982         select IRQ_MIPS_CPU
                                                   >> 983         select ZONE_DMA32 if 64BIT
                                                   >> 984         select SYNC_R4K
                                                   >> 985         select SYS_HAS_EARLY_PRINTK
                                                   >> 986         select USE_OF
                                                   >> 987         select SYS_SUPPORTS_ZBOOT
                                                   >> 988         select SYS_SUPPORTS_ZBOOT_UART16550
1009         help                                     989         help
1010           Enable this to include the FDT for  !! 990           This board is based on Netlogic XLP Processor.
1011           from Mobileye in the FIT kernel ima !! 991           Say Y here if you have a XLP based board.
1012           This requires u-boot on the platfor !! 992 
                                                   >> 993 config MIPS_PARAVIRT
                                                   >> 994         bool "Para-Virtualized guest system"
                                                   >> 995         select CEVT_R4K
                                                   >> 996         select CSRC_R4K
                                                   >> 997         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 998         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 999         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1000         select SYS_SUPPORTS_SMP
                                                   >> 1001         select NR_CPUS_DEFAULT_4
                                                   >> 1002         select SYS_HAS_EARLY_PRINTK
                                                   >> 1003         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 1004         select SYS_HAS_CPU_MIPS64_R2
                                                   >> 1005         select SYS_HAS_CPU_CAVIUM_OCTEON
                                                   >> 1006         select HAVE_PCI
                                                   >> 1007         select SWAP_IO_SPACE
                                                   >> 1008         help
                                                   >> 1009           This option supports guest running under ????
                                                   >> 1010 
                                                   >> 1011 endchoice
1013                                                  1012 
1014 source "arch/mips/alchemy/Kconfig"               1013 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig"                 1014 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig"                 1015 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig"               1016 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig"               1017 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig"                 1018 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig"               1019 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig"            << 
1022 source "arch/mips/jazz/Kconfig"                  1020 source "arch/mips/jazz/Kconfig"
                                                   >> 1021 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig"                1022 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig"           !! 1023 source "arch/mips/lasat/Kconfig"
1025 source "arch/mips/pic32/Kconfig"                 1024 source "arch/mips/pic32/Kconfig"
                                                   >> 1025 source "arch/mips/pistachio/Kconfig"
                                                   >> 1026 source "arch/mips/pmcs-msp71xx/Kconfig"
1026 source "arch/mips/ralink/Kconfig"                1027 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig"              1028 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig"                1029 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig"                  1030 source "arch/mips/txx9/Kconfig"
                                                   >> 1031 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig"         1032 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig"        << 
1032 source "arch/mips/loongson32/Kconfig"            1033 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig"            1034 source "arch/mips/loongson64/Kconfig"
                                                   >> 1035 source "arch/mips/netlogic/Kconfig"
                                                   >> 1036 source "arch/mips/paravirt/Kconfig"
1034                                                  1037 
1035 endmenu                                          1038 endmenu
1036                                                  1039 
                                                   >> 1040 config RWSEM_GENERIC_SPINLOCK
                                                   >> 1041         bool
                                                   >> 1042         default y
                                                   >> 1043 
                                                   >> 1044 config RWSEM_XCHGADD_ALGORITHM
                                                   >> 1045         bool
                                                   >> 1046 
1037 config GENERIC_HWEIGHT                           1047 config GENERIC_HWEIGHT
1038         bool                                     1048         bool
1039         default y                                1049         default y
1040                                                  1050 
1041 config GENERIC_CALIBRATE_DELAY                   1051 config GENERIC_CALIBRATE_DELAY
1042         bool                                     1052         bool
1043         default y                                1053         default y
1044                                                  1054 
1045 config SCHED_OMIT_FRAME_POINTER                  1055 config SCHED_OMIT_FRAME_POINTER
1046         bool                                     1056         bool
1047         default y                                1057         default y
1048                                                  1058 
1049 #                                                1059 #
1050 # Select some configuration options automatic    1060 # Select some configuration options automatically based on user selections.
1051 #                                                1061 #
1052 config FW_ARC                                    1062 config FW_ARC
1053         bool                                     1063         bool
1054                                                  1064 
1055 config ARCH_MAY_HAVE_PC_FDC                      1065 config ARCH_MAY_HAVE_PC_FDC
1056         bool                                     1066         bool
1057                                                  1067 
1058 config BOOT_RAW                                  1068 config BOOT_RAW
1059         bool                                     1069         bool
1060                                                  1070 
1061 config CEVT_BCM1480                              1071 config CEVT_BCM1480
1062         bool                                     1072         bool
1063                                                  1073 
1064 config CEVT_DS1287                               1074 config CEVT_DS1287
1065         bool                                     1075         bool
1066                                                  1076 
1067 config CEVT_GT641XX                              1077 config CEVT_GT641XX
1068         bool                                     1078         bool
1069                                                  1079 
1070 config CEVT_R4K                                  1080 config CEVT_R4K
1071         bool                                     1081         bool
1072                                                  1082 
1073 config CEVT_SB1250                               1083 config CEVT_SB1250
1074         bool                                     1084         bool
1075                                                  1085 
1076 config CEVT_TXX9                                 1086 config CEVT_TXX9
1077         bool                                     1087         bool
1078                                                  1088 
1079 config CSRC_BCM1480                              1089 config CSRC_BCM1480
1080         bool                                     1090         bool
1081                                                  1091 
1082 config CSRC_IOASIC                               1092 config CSRC_IOASIC
1083         bool                                     1093         bool
1084                                                  1094 
1085 config CSRC_R4K                                  1095 config CSRC_R4K
1086         select CLOCKSOURCE_WATCHDOG if CPU_FR << 
1087         select HAVE_UNSTABLE_SCHED_CLOCK if S << 
1088         bool                                     1096         bool
1089                                                  1097 
1090 config CSRC_SB1250                               1098 config CSRC_SB1250
1091         bool                                     1099         bool
1092                                                  1100 
1093 config MIPS_CLOCK_VSYSCALL                       1101 config MIPS_CLOCK_VSYSCALL
1094         def_bool CSRC_R4K || CLKSRC_MIPS_GIC     1102         def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095                                                  1103 
1096 config GPIO_TXX9                                 1104 config GPIO_TXX9
1097         select GPIOLIB                           1105         select GPIOLIB
1098         bool                                     1106         bool
1099                                                  1107 
1100 config FW_CFE                                    1108 config FW_CFE
1101         bool                                     1109         bool
1102                                                  1110 
1103 config ARCH_SUPPORTS_UPROBES                     1111 config ARCH_SUPPORTS_UPROBES
1104         def_bool y                            !! 1112         bool
                                                   >> 1113 
                                                   >> 1114 config DMA_MAYBE_COHERENT
                                                   >> 1115         select ARCH_HAS_DMA_COHERENCE_H
                                                   >> 1116         select DMA_NONCOHERENT
                                                   >> 1117         bool
                                                   >> 1118 
                                                   >> 1119 config DMA_PERDEV_COHERENT
                                                   >> 1120         bool
                                                   >> 1121         select DMA_NONCOHERENT
1105                                                  1122 
1106 config DMA_NONCOHERENT                           1123 config DMA_NONCOHERENT
1107         bool                                     1124         bool
1108         #                                     !! 1125         select ARCH_HAS_DMA_MMAP_PGPROT
1109         # MIPS allows mixing "slightly differ << 
1110         # Attribute bits.  It is believed tha << 
1111         # KSEG1 and the implementation specif << 
1112         # by pgprot_writcombine can be mixed, << 
1113         # significant advantages.             << 
1114         #                                     << 
1115         select ARCH_HAS_SETUP_DMA_OPS         << 
1116         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      1126         select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120         select ARCH_HAS_DMA_SET_UNCACHED      !! 1127         select ARCH_HAS_SYNC_DMA_FOR_CPU
1121         select DMA_NONCOHERENT_MMAP           << 
1122         select NEED_DMA_MAP_STATE                1128         select NEED_DMA_MAP_STATE
                                                   >> 1129         select ARCH_HAS_DMA_COHERENT_TO_PFN
                                                   >> 1130         select DMA_NONCOHERENT_CACHE_SYNC
1123                                                  1131 
1124 config SYS_HAS_EARLY_PRINTK                      1132 config SYS_HAS_EARLY_PRINTK
1125         bool                                     1133         bool
1126                                                  1134 
1127 config SYS_SUPPORTS_HOTPLUG_CPU                  1135 config SYS_SUPPORTS_HOTPLUG_CPU
1128         bool                                     1136         bool
1129                                                  1137 
1130 config MIPS_BONITO64                             1138 config MIPS_BONITO64
1131         bool                                     1139         bool
1132                                                  1140 
1133 config MIPS_MSC                                  1141 config MIPS_MSC
1134         bool                                     1142         bool
1135                                                  1143 
                                                   >> 1144 config MIPS_NILE4
                                                   >> 1145         bool
                                                   >> 1146 
1136 config SYNC_R4K                                  1147 config SYNC_R4K
1137         bool                                     1148         bool
1138                                                  1149 
                                                   >> 1150 config MIPS_MACHINE
                                                   >> 1151         def_bool n
                                                   >> 1152 
1139 config NO_IOPORT_MAP                             1153 config NO_IOPORT_MAP
1140         def_bool n                               1154         def_bool n
1141                                                  1155 
1142 config GENERIC_CSUM                              1156 config GENERIC_CSUM
1143         def_bool CPU_NO_LOAD_STORE_LR         !! 1157         bool
                                                   >> 1158         default y if !CPU_HAS_LOAD_STORE_LR
1144                                                  1159 
1145 config GENERIC_ISA_DMA                           1160 config GENERIC_ISA_DMA
1146         bool                                     1161         bool
1147         select ZONE_DMA if GENERIC_ISA_DMA_SU    1162         select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148         select ISA_DMA_API                       1163         select ISA_DMA_API
1149                                                  1164 
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN            1165 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151         bool                                     1166         bool
1152         select GENERIC_ISA_DMA                   1167         select GENERIC_ISA_DMA
1153                                                  1168 
1154 config HAVE_PLAT_DELAY                        !! 1169 config ISA_DMA_API
1155         bool                                  << 
1156                                               << 
1157 config HAVE_PLAT_FW_INIT_CMDLINE              << 
1158         bool                                  << 
1159                                               << 
1160 config HAVE_PLAT_MEMCPY                       << 
1161         bool                                     1170         bool
1162                                                  1171 
1163 config ISA_DMA_API                            !! 1172 config HOLES_IN_ZONE
1164         bool                                     1173         bool
1165                                                  1174 
1166 config SYS_SUPPORTS_RELOCATABLE                  1175 config SYS_SUPPORTS_RELOCATABLE
1167         bool                                     1176         bool
1168         help                                     1177         help
1169           Selected if the platform supports r !! 1178          Selected if the platform supports relocating the kernel.
1170           The platform must provide plat_get_ !! 1179          The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171           to allow access to command line and !! 1180          to allow access to command line and entropy sources.
                                                   >> 1181 
                                                   >> 1182 config MIPS_CBPF_JIT
                                                   >> 1183         def_bool y
                                                   >> 1184         depends on BPF_JIT && HAVE_CBPF_JIT
                                                   >> 1185 
                                                   >> 1186 config MIPS_EBPF_JIT
                                                   >> 1187         def_bool y
                                                   >> 1188         depends on BPF_JIT && HAVE_EBPF_JIT
                                                   >> 1189 
1172                                                  1190 
1173 #                                                1191 #
1174 # Endianness selection.  Sufficiently obscure    1192 # Endianness selection.  Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl    1193 # answer,so we try hard to limit the available choices.  Also the use of a
1176 # choice statement should be more obvious to     1194 # choice statement should be more obvious to the user.
1177 #                                                1195 #
1178 choice                                           1196 choice
1179         prompt "Endianness selection"            1197         prompt "Endianness selection"
1180         help                                     1198         help
1181           Some MIPS machines can be configure    1199           Some MIPS machines can be configured for either little or big endian
1182           byte order. These modes require dif    1200           byte order. These modes require different kernels and a different
1183           Linux distribution.  In general the    1201           Linux distribution.  In general there is one preferred byteorder for a
1184           particular system but some systems     1202           particular system but some systems are just as commonly used in the
1185           one or the other endianness.           1203           one or the other endianness.
1186                                                  1204 
1187 config CPU_BIG_ENDIAN                            1205 config CPU_BIG_ENDIAN
1188         bool "Big endian"                        1206         bool "Big endian"
1189         depends on SYS_SUPPORTS_BIG_ENDIAN       1207         depends on SYS_SUPPORTS_BIG_ENDIAN
1190                                                  1208 
1191 config CPU_LITTLE_ENDIAN                         1209 config CPU_LITTLE_ENDIAN
1192         bool "Little endian"                     1210         bool "Little endian"
1193         depends on SYS_SUPPORTS_LITTLE_ENDIAN    1211         depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194                                                  1212 
1195 endchoice                                        1213 endchoice
1196                                                  1214 
1197 config EXPORT_UASM                               1215 config EXPORT_UASM
1198         bool                                     1216         bool
1199                                                  1217 
1200 config SYS_SUPPORTS_APM_EMULATION                1218 config SYS_SUPPORTS_APM_EMULATION
1201         bool                                     1219         bool
1202                                                  1220 
1203 config SYS_SUPPORTS_BIG_ENDIAN                   1221 config SYS_SUPPORTS_BIG_ENDIAN
1204         bool                                     1222         bool
1205                                                  1223 
1206 config SYS_SUPPORTS_LITTLE_ENDIAN                1224 config SYS_SUPPORTS_LITTLE_ENDIAN
1207         bool                                     1225         bool
1208                                                  1226 
                                                   >> 1227 config SYS_SUPPORTS_HUGETLBFS
                                                   >> 1228         bool
                                                   >> 1229         depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
                                                   >> 1230         default y
                                                   >> 1231 
1209 config MIPS_HUGE_TLB_SUPPORT                     1232 config MIPS_HUGE_TLB_SUPPORT
1210         def_bool HUGETLB_PAGE || TRANSPARENT_    1233         def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211                                                  1234 
                                                   >> 1235 config IRQ_CPU_RM7K
                                                   >> 1236         bool
                                                   >> 1237 
                                                   >> 1238 config IRQ_MSP_SLP
                                                   >> 1239         bool
                                                   >> 1240 
                                                   >> 1241 config IRQ_MSP_CIC
                                                   >> 1242         bool
                                                   >> 1243 
1212 config IRQ_TXX9                                  1244 config IRQ_TXX9
1213         bool                                     1245         bool
1214                                                  1246 
1215 config IRQ_GT641XX                               1247 config IRQ_GT641XX
1216         bool                                     1248         bool
1217                                                  1249 
1218 config PCI_GT64XXX_PCI0                          1250 config PCI_GT64XXX_PCI0
1219         bool                                     1251         bool
1220                                                  1252 
1221 config PCI_XTALK_BRIDGE                       !! 1253 config NO_EXCEPT_FILL
1222         bool                                     1254         bool
1223                                                  1255 
1224 config NO_EXCEPT_FILL                         !! 1256 config SOC_EMMA2RH
                                                   >> 1257         bool
                                                   >> 1258         select CEVT_R4K
                                                   >> 1259         select CSRC_R4K
                                                   >> 1260         select DMA_NONCOHERENT
                                                   >> 1261         select IRQ_MIPS_CPU
                                                   >> 1262         select SWAP_IO_SPACE
                                                   >> 1263         select SYS_HAS_CPU_R5500
                                                   >> 1264         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1265         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 1266         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1267 
                                                   >> 1268 config SOC_PNX833X
                                                   >> 1269         bool
                                                   >> 1270         select CEVT_R4K
                                                   >> 1271         select CSRC_R4K
                                                   >> 1272         select IRQ_MIPS_CPU
                                                   >> 1273         select DMA_NONCOHERENT
                                                   >> 1274         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 1275         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1276         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 1277         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1278         select SYS_SUPPORTS_MIPS16
                                                   >> 1279         select CPU_MIPSR2_IRQ_VI
                                                   >> 1280 
                                                   >> 1281 config SOC_PNX8335
1225         bool                                     1282         bool
                                                   >> 1283         select SOC_PNX833X
1226                                                  1284 
1227 config MIPS_SPRAM                                1285 config MIPS_SPRAM
1228         bool                                     1286         bool
1229                                                  1287 
1230 config SWAP_IO_SPACE                             1288 config SWAP_IO_SPACE
1231         bool                                     1289         bool
1232                                                  1290 
1233 config SGI_HAS_INDYDOG                           1291 config SGI_HAS_INDYDOG
1234         bool                                     1292         bool
1235                                                  1293 
1236 config SGI_HAS_HAL2                              1294 config SGI_HAS_HAL2
1237         bool                                     1295         bool
1238                                                  1296 
1239 config SGI_HAS_SEEQ                              1297 config SGI_HAS_SEEQ
1240         bool                                     1298         bool
1241                                                  1299 
1242 config SGI_HAS_WD93                              1300 config SGI_HAS_WD93
1243         bool                                     1301         bool
1244                                                  1302 
1245 config SGI_HAS_ZILOG                             1303 config SGI_HAS_ZILOG
1246         bool                                     1304         bool
1247                                                  1305 
1248 config SGI_HAS_I8042                             1306 config SGI_HAS_I8042
1249         bool                                     1307         bool
1250                                                  1308 
1251 config DEFAULT_SGI_PARTITION                     1309 config DEFAULT_SGI_PARTITION
1252         bool                                     1310         bool
1253                                                  1311 
1254 config FW_ARC32                                  1312 config FW_ARC32
1255         bool                                     1313         bool
1256                                                  1314 
1257 config FW_SNIPROM                                1315 config FW_SNIPROM
1258         bool                                     1316         bool
1259                                                  1317 
1260 config BOOT_ELF32                                1318 config BOOT_ELF32
1261         bool                                     1319         bool
1262                                                  1320 
1263 config MIPS_L1_CACHE_SHIFT_4                     1321 config MIPS_L1_CACHE_SHIFT_4
1264         bool                                     1322         bool
1265                                                  1323 
1266 config MIPS_L1_CACHE_SHIFT_5                     1324 config MIPS_L1_CACHE_SHIFT_5
1267         bool                                     1325         bool
1268                                                  1326 
1269 config MIPS_L1_CACHE_SHIFT_6                     1327 config MIPS_L1_CACHE_SHIFT_6
1270         bool                                     1328         bool
1271                                                  1329 
1272 config MIPS_L1_CACHE_SHIFT_7                     1330 config MIPS_L1_CACHE_SHIFT_7
1273         bool                                     1331         bool
1274                                                  1332 
1275 config MIPS_L1_CACHE_SHIFT                       1333 config MIPS_L1_CACHE_SHIFT
1276         int                                      1334         int
1277         default "7" if MIPS_L1_CACHE_SHIFT_7     1335         default "7" if MIPS_L1_CACHE_SHIFT_7
1278         default "6" if MIPS_L1_CACHE_SHIFT_6     1336         default "6" if MIPS_L1_CACHE_SHIFT_6
1279         default "5" if MIPS_L1_CACHE_SHIFT_5     1337         default "5" if MIPS_L1_CACHE_SHIFT_5
1280         default "4" if MIPS_L1_CACHE_SHIFT_4     1338         default "4" if MIPS_L1_CACHE_SHIFT_4
1281         default "5"                              1339         default "5"
1282                                                  1340 
1283 config ARC_CMDLINE_ONLY                       !! 1341 config HAVE_STD_PC_SERIAL_PORT
1284         bool                                     1342         bool
1285                                                  1343 
1286 config ARC_CONSOLE                               1344 config ARC_CONSOLE
1287         bool "ARC console support"               1345         bool "ARC console support"
1288         depends on SGI_IP22 || SGI_IP28 || (S    1346         depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289                                                  1347 
1290 config ARC_MEMORY                                1348 config ARC_MEMORY
1291         bool                                     1349         bool
                                                   >> 1350         depends on MACH_JAZZ || SNI_RM || SGI_IP32
                                                   >> 1351         default y
1292                                                  1352 
1293 config ARC_PROMLIB                               1353 config ARC_PROMLIB
1294         bool                                     1354         bool
                                                   >> 1355         depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
                                                   >> 1356         default y
1295                                                  1357 
1296 config FW_ARC64                                  1358 config FW_ARC64
1297         bool                                     1359         bool
1298                                                  1360 
1299 config BOOT_ELF64                                1361 config BOOT_ELF64
1300         bool                                     1362         bool
1301                                                  1363 
1302 menu "CPU selection"                             1364 menu "CPU selection"
1303                                                  1365 
1304 choice                                           1366 choice
1305         prompt "CPU type"                        1367         prompt "CPU type"
1306         default CPU_R4X00                        1368         default CPU_R4X00
1307                                                  1369 
1308 config CPU_LOONGSON64                         !! 1370 config CPU_LOONGSON3
1309         bool "Loongson 64-bit CPU"            !! 1371         bool "Loongson 3 CPU"
1310         depends on SYS_HAS_CPU_LOONGSON64     !! 1372         depends on SYS_HAS_CPU_LOONGSON3
1311         select ARCH_HAS_PHYS_TO_DMA              1373         select ARCH_HAS_PHYS_TO_DMA
1312         select CPU_MIPSR2                     << 
1313         select CPU_HAS_PREFETCH               << 
1314         select CPU_SUPPORTS_64BIT_KERNEL         1374         select CPU_SUPPORTS_64BIT_KERNEL
1315         select CPU_SUPPORTS_HIGHMEM              1375         select CPU_SUPPORTS_HIGHMEM
1316         select CPU_SUPPORTS_HUGEPAGES            1376         select CPU_SUPPORTS_HUGEPAGES
1317         select CPU_SUPPORTS_MSA               !! 1377         select CPU_HAS_LOAD_STORE_LR
1318         select CPU_SUPPORTS_VZ                << 
1319         select CPU_DIEI_BROKEN if !LOONGSON3_ << 
1320         select CPU_MIPSR2_IRQ_VI              << 
1321         select DMA_NONCOHERENT                << 
1322         select WEAK_ORDERING                     1378         select WEAK_ORDERING
1323         select WEAK_REORDERING_BEYOND_LLSC       1379         select WEAK_REORDERING_BEYOND_LLSC
1324         select MIPS_ASID_BITS_VARIABLE        << 
1325         select MIPS_PGD_C0_CONTEXT               1380         select MIPS_PGD_C0_CONTEXT
1326         select MIPS_L1_CACHE_SHIFT_6             1381         select MIPS_L1_CACHE_SHIFT_6
1327         select MIPS_FP_SUPPORT                << 
1328         select GPIOLIB                           1382         select GPIOLIB
1329         select SWIOTLB                           1383         select SWIOTLB
1330         help                                     1384         help
1331           The Loongson GSx64(GS264/GS464/GS46 !! 1385                 The Loongson 3 processor implements the MIPS64R2 instruction
1332           cores implements the MIPS64R2 instr !! 1386                 set with many extensions.
1333           including most 64-bit Loongson-2 (2 !! 1387 
1334           3B1000, 3B1500, 3A2000, 3A3000 and  !! 1388 config LOONGSON3_ENHANCEMENT
1335           Loongson-2E/2F is not covered here  !! 1389         bool "New Loongson 3 CPU Enhancements"
                                                   >> 1390         default n
                                                   >> 1391         select CPU_MIPSR2
                                                   >> 1392         select CPU_HAS_PREFETCH
                                                   >> 1393         depends on CPU_LOONGSON3
                                                   >> 1394         help
                                                   >> 1395           New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
                                                   >> 1396           R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
                                                   >> 1397           FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
                                                   >> 1398           Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
                                                   >> 1399           Fast TLB refill support, etc.
                                                   >> 1400 
                                                   >> 1401           This option enable those enhancements which are not probed at run
                                                   >> 1402           time. If you want a generic kernel to run on all Loongson 3 machines,
                                                   >> 1403           please say 'N' here. If you want a high-performance kernel to run on
                                                   >> 1404           new Loongson 3 machines only, please say 'Y' here.
                                                   >> 1405 
                                                   >> 1406 config CPU_LOONGSON3_WORKAROUNDS
                                                   >> 1407         bool "Old Loongson 3 LLSC Workarounds"
                                                   >> 1408         default y if SMP
                                                   >> 1409         depends on CPU_LOONGSON3
                                                   >> 1410         help
                                                   >> 1411           Loongson 3 processors have the llsc issues which require workarounds.
                                                   >> 1412           Without workarounds the system may hang unexpectedly.
                                                   >> 1413 
                                                   >> 1414           Newer Loongson 3 will fix these issues and no workarounds are needed.
                                                   >> 1415           The workarounds have no significant side effect on them but may
                                                   >> 1416           decrease the performance of the system so this option should be
                                                   >> 1417           disabled unless the kernel is intended to be run on old systems.
                                                   >> 1418 
                                                   >> 1419           If unsure, please say Y.
1336                                                  1420 
1337 config CPU_LOONGSON2E                            1421 config CPU_LOONGSON2E
1338         bool "Loongson 2E"                       1422         bool "Loongson 2E"
1339         depends on SYS_HAS_CPU_LOONGSON2E        1423         depends on SYS_HAS_CPU_LOONGSON2E
1340         select CPU_LOONGSON2EF                !! 1424         select CPU_LOONGSON2
1341         help                                     1425         help
1342           The Loongson 2E processor implement    1426           The Loongson 2E processor implements the MIPS III instruction set
1343           with many extensions.                  1427           with many extensions.
1344                                                  1428 
1345           It has an internal FPGA northbridge    1429           It has an internal FPGA northbridge, which is compatible to
1346           bonito64.                              1430           bonito64.
1347                                                  1431 
1348 config CPU_LOONGSON2F                            1432 config CPU_LOONGSON2F
1349         bool "Loongson 2F"                       1433         bool "Loongson 2F"
1350         depends on SYS_HAS_CPU_LOONGSON2F        1434         depends on SYS_HAS_CPU_LOONGSON2F
1351         select CPU_LOONGSON2EF                !! 1435         select CPU_LOONGSON2
                                                   >> 1436         select GPIOLIB
1352         help                                     1437         help
1353           The Loongson 2F processor implement    1438           The Loongson 2F processor implements the MIPS III instruction set
1354           with many extensions.                  1439           with many extensions.
1355                                                  1440 
1356           Loongson2F have built-in DDR2 and P    1441           Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357           have a similar programming interfac    1442           have a similar programming interface with FPGA northbridge used in
1358           Loongson2E.                            1443           Loongson2E.
1359                                                  1444 
1360 config CPU_LOONGSON1B                            1445 config CPU_LOONGSON1B
1361         bool "Loongson 1B"                       1446         bool "Loongson 1B"
1362         depends on SYS_HAS_CPU_LOONGSON1B        1447         depends on SYS_HAS_CPU_LOONGSON1B
1363         select CPU_LOONGSON32                 !! 1448         select CPU_LOONGSON1
1364         select LEDS_GPIO_REGISTER                1449         select LEDS_GPIO_REGISTER
1365         help                                     1450         help
1366           The Loongson 1B is a 32-bit SoC, wh    1451           The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367           Release 1 instruction set and part     1452           Release 1 instruction set and part of the MIPS32 Release 2
1368           instruction set.                       1453           instruction set.
1369                                                  1454 
1370 config CPU_LOONGSON1C                            1455 config CPU_LOONGSON1C
1371         bool "Loongson 1C"                       1456         bool "Loongson 1C"
1372         depends on SYS_HAS_CPU_LOONGSON1C        1457         depends on SYS_HAS_CPU_LOONGSON1C
1373         select CPU_LOONGSON32                 !! 1458         select CPU_LOONGSON1
1374         select LEDS_GPIO_REGISTER                1459         select LEDS_GPIO_REGISTER
1375         help                                     1460         help
1376           The Loongson 1C is a 32-bit SoC, wh    1461           The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377           Release 1 instruction set and part     1462           Release 1 instruction set and part of the MIPS32 Release 2
1378           instruction set.                       1463           instruction set.
1379                                                  1464 
1380 config CPU_MIPS32_R1                             1465 config CPU_MIPS32_R1
1381         bool "MIPS32 Release 1"                  1466         bool "MIPS32 Release 1"
1382         depends on SYS_HAS_CPU_MIPS32_R1         1467         depends on SYS_HAS_CPU_MIPS32_R1
1383         select CPU_HAS_PREFETCH                  1468         select CPU_HAS_PREFETCH
                                                   >> 1469         select CPU_HAS_LOAD_STORE_LR
1384         select CPU_SUPPORTS_32BIT_KERNEL         1470         select CPU_SUPPORTS_32BIT_KERNEL
1385         select CPU_SUPPORTS_HIGHMEM              1471         select CPU_SUPPORTS_HIGHMEM
1386         help                                     1472         help
1387           Choose this option to build a kerne    1473           Choose this option to build a kernel for release 1 or later of the
1388           MIPS32 architecture.  Most modern e    1474           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1389           MIPS processor are based on a MIPS3    1475           MIPS processor are based on a MIPS32 processor.  If you know the
1390           specific type of processor in your     1476           specific type of processor in your system, choose those that one
1391           otherwise CPU_MIPS32_R1 is a safe b    1477           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392           Release 2 of the MIPS32 architectur    1478           Release 2 of the MIPS32 architecture is available since several
1393           years so chances are you even have     1479           years so chances are you even have a MIPS32 Release 2 processor
1394           in which case you should choose CPU    1480           in which case you should choose CPU_MIPS32_R2 instead for better
1395           performance.                           1481           performance.
1396                                                  1482 
1397 config CPU_MIPS32_R2                             1483 config CPU_MIPS32_R2
1398         bool "MIPS32 Release 2"                  1484         bool "MIPS32 Release 2"
1399         depends on SYS_HAS_CPU_MIPS32_R2         1485         depends on SYS_HAS_CPU_MIPS32_R2
1400         select CPU_HAS_PREFETCH                  1486         select CPU_HAS_PREFETCH
                                                   >> 1487         select CPU_HAS_LOAD_STORE_LR
1401         select CPU_SUPPORTS_32BIT_KERNEL         1488         select CPU_SUPPORTS_32BIT_KERNEL
1402         select CPU_SUPPORTS_HIGHMEM              1489         select CPU_SUPPORTS_HIGHMEM
1403         select CPU_SUPPORTS_MSA                  1490         select CPU_SUPPORTS_MSA
                                                   >> 1491         select HAVE_KVM
1404         help                                     1492         help
1405           Choose this option to build a kerne    1493           Choose this option to build a kernel for release 2 or later of the
1406           MIPS32 architecture.  Most modern e    1494           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1407           MIPS processor are based on a MIPS3    1495           MIPS processor are based on a MIPS32 processor.  If you know the
1408           specific type of processor in your     1496           specific type of processor in your system, choose those that one
1409           otherwise CPU_MIPS32_R1 is a safe b    1497           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410                                                  1498 
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                             1499 config CPU_MIPS32_R6
1427         bool "MIPS32 Release 6"                  1500         bool "MIPS32 Release 6"
1428         depends on SYS_HAS_CPU_MIPS32_R6         1501         depends on SYS_HAS_CPU_MIPS32_R6
1429         select CPU_HAS_PREFETCH                  1502         select CPU_HAS_PREFETCH
1430         select CPU_NO_LOAD_STORE_LR           << 
1431         select CPU_SUPPORTS_32BIT_KERNEL         1503         select CPU_SUPPORTS_32BIT_KERNEL
1432         select CPU_SUPPORTS_HIGHMEM              1504         select CPU_SUPPORTS_HIGHMEM
1433         select CPU_SUPPORTS_MSA                  1505         select CPU_SUPPORTS_MSA
1434         select CPU_SUPPORTS_VZ                !! 1506         select HAVE_KVM
1435         select MIPS_O32_FP64_SUPPORT             1507         select MIPS_O32_FP64_SUPPORT
1436         help                                     1508         help
1437           Choose this option to build a kerne    1509           Choose this option to build a kernel for release 6 or later of the
1438           MIPS32 architecture.  New MIPS proc    1510           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1439           family, are based on a MIPS32r6 pro    1511           family, are based on a MIPS32r6 processor. If you own an older
1440           processor, you probably need to sel    1512           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441                                                  1513 
1442 config CPU_MIPS64_R1                             1514 config CPU_MIPS64_R1
1443         bool "MIPS64 Release 1"                  1515         bool "MIPS64 Release 1"
1444         depends on SYS_HAS_CPU_MIPS64_R1         1516         depends on SYS_HAS_CPU_MIPS64_R1
1445         select CPU_HAS_PREFETCH                  1517         select CPU_HAS_PREFETCH
                                                   >> 1518         select CPU_HAS_LOAD_STORE_LR
1446         select CPU_SUPPORTS_32BIT_KERNEL         1519         select CPU_SUPPORTS_32BIT_KERNEL
1447         select CPU_SUPPORTS_64BIT_KERNEL         1520         select CPU_SUPPORTS_64BIT_KERNEL
1448         select CPU_SUPPORTS_HIGHMEM              1521         select CPU_SUPPORTS_HIGHMEM
1449         select CPU_SUPPORTS_HUGEPAGES            1522         select CPU_SUPPORTS_HUGEPAGES
1450         help                                     1523         help
1451           Choose this option to build a kerne    1524           Choose this option to build a kernel for release 1 or later of the
1452           MIPS64 architecture.  Many modern e    1525           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1453           MIPS processor are based on a MIPS6    1526           MIPS processor are based on a MIPS64 processor.  If you know the
1454           specific type of processor in your     1527           specific type of processor in your system, choose those that one
1455           otherwise CPU_MIPS64_R1 is a safe b    1528           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456           Release 2 of the MIPS64 architectur    1529           Release 2 of the MIPS64 architecture is available since several
1457           years so chances are you even have     1530           years so chances are you even have a MIPS64 Release 2 processor
1458           in which case you should choose CPU    1531           in which case you should choose CPU_MIPS64_R2 instead for better
1459           performance.                           1532           performance.
1460                                                  1533 
1461 config CPU_MIPS64_R2                             1534 config CPU_MIPS64_R2
1462         bool "MIPS64 Release 2"                  1535         bool "MIPS64 Release 2"
1463         depends on SYS_HAS_CPU_MIPS64_R2         1536         depends on SYS_HAS_CPU_MIPS64_R2
1464         select CPU_HAS_PREFETCH                  1537         select CPU_HAS_PREFETCH
                                                   >> 1538         select CPU_HAS_LOAD_STORE_LR
1465         select CPU_SUPPORTS_32BIT_KERNEL         1539         select CPU_SUPPORTS_32BIT_KERNEL
1466         select CPU_SUPPORTS_64BIT_KERNEL         1540         select CPU_SUPPORTS_64BIT_KERNEL
1467         select CPU_SUPPORTS_HIGHMEM              1541         select CPU_SUPPORTS_HIGHMEM
1468         select CPU_SUPPORTS_HUGEPAGES            1542         select CPU_SUPPORTS_HUGEPAGES
1469         select CPU_SUPPORTS_MSA                  1543         select CPU_SUPPORTS_MSA
                                                   >> 1544         select HAVE_KVM
1470         help                                     1545         help
1471           Choose this option to build a kerne    1546           Choose this option to build a kernel for release 2 or later of the
1472           MIPS64 architecture.  Many modern e    1547           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1473           MIPS processor are based on a MIPS6    1548           MIPS processor are based on a MIPS64 processor.  If you know the
1474           specific type of processor in your     1549           specific type of processor in your system, choose those that one
1475           otherwise CPU_MIPS64_R1 is a safe b    1550           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476                                                  1551 
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                             1552 config CPU_MIPS64_R6
1495         bool "MIPS64 Release 6"                  1553         bool "MIPS64 Release 6"
1496         depends on SYS_HAS_CPU_MIPS64_R6         1554         depends on SYS_HAS_CPU_MIPS64_R6
1497         select CPU_HAS_PREFETCH                  1555         select CPU_HAS_PREFETCH
1498         select CPU_NO_LOAD_STORE_LR           << 
1499         select CPU_SUPPORTS_32BIT_KERNEL         1556         select CPU_SUPPORTS_32BIT_KERNEL
1500         select CPU_SUPPORTS_64BIT_KERNEL         1557         select CPU_SUPPORTS_64BIT_KERNEL
1501         select CPU_SUPPORTS_HIGHMEM              1558         select CPU_SUPPORTS_HIGHMEM
1502         select CPU_SUPPORTS_HUGEPAGES         << 
1503         select CPU_SUPPORTS_MSA                  1559         select CPU_SUPPORTS_MSA
1504         select MIPS_O32_FP64_SUPPORT if 32BIT    1560         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505         select CPU_SUPPORTS_VZ                !! 1561         select HAVE_KVM
1506         help                                     1562         help
1507           Choose this option to build a kerne    1563           Choose this option to build a kernel for release 6 or later of the
1508           MIPS64 architecture.  New MIPS proc    1564           MIPS64 architecture.  New MIPS processors, starting with the Warrior
1509           family, are based on a MIPS64r6 pro    1565           family, are based on a MIPS64r6 processor. If you own an older
1510           processor, you probably need to sel    1566           processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511                                                  1567 
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                                 1568 config CPU_R3000
1534         bool "R3000"                             1569         bool "R3000"
1535         depends on SYS_HAS_CPU_R3000             1570         depends on SYS_HAS_CPU_R3000
1536         select CPU_HAS_WB                        1571         select CPU_HAS_WB
1537         select CPU_R3K_TLB                    !! 1572         select CPU_HAS_LOAD_STORE_LR
1538         select CPU_SUPPORTS_32BIT_KERNEL         1573         select CPU_SUPPORTS_32BIT_KERNEL
1539         select CPU_SUPPORTS_HIGHMEM              1574         select CPU_SUPPORTS_HIGHMEM
1540         help                                     1575         help
1541           Please make sure to pick the right     1576           Please make sure to pick the right CPU type. Linux/MIPS is not
1542           designed to be generic, i.e. Kernel    1577           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543           *not* work on R4000 machines and vi    1578           *not* work on R4000 machines and vice versa.  However, since most
1544           of the supported machines have an R    1579           of the supported machines have an R4000 (or similar) CPU, R4x00
1545           might be a safe bet.  If the result    1580           might be a safe bet.  If the resulting kernel does not work,
1546           try to recompile with R3000.           1581           try to recompile with R3000.
1547                                                  1582 
                                                   >> 1583 config CPU_TX39XX
                                                   >> 1584         bool "R39XX"
                                                   >> 1585         depends on SYS_HAS_CPU_TX39XX
                                                   >> 1586         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1587         select CPU_HAS_LOAD_STORE_LR
                                                   >> 1588 
                                                   >> 1589 config CPU_VR41XX
                                                   >> 1590         bool "R41xx"
                                                   >> 1591         depends on SYS_HAS_CPU_VR41XX
                                                   >> 1592         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1593         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1594         select CPU_HAS_LOAD_STORE_LR
                                                   >> 1595         help
                                                   >> 1596           The options selects support for the NEC VR4100 series of processors.
                                                   >> 1597           Only choose this option if you have one of these processors as a
                                                   >> 1598           kernel built with this option will not run on any other type of
                                                   >> 1599           processor or vice versa.
                                                   >> 1600 
1548 config CPU_R4300                                 1601 config CPU_R4300
1549         bool "R4300"                             1602         bool "R4300"
1550         depends on SYS_HAS_CPU_R4300             1603         depends on SYS_HAS_CPU_R4300
1551         select CPU_SUPPORTS_32BIT_KERNEL         1604         select CPU_SUPPORTS_32BIT_KERNEL
1552         select CPU_SUPPORTS_64BIT_KERNEL         1605         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1606         select CPU_HAS_LOAD_STORE_LR
1553         help                                     1607         help
1554           MIPS Technologies R4300-series proc    1608           MIPS Technologies R4300-series processors.
1555                                                  1609 
1556 config CPU_R4X00                                 1610 config CPU_R4X00
1557         bool "R4x00"                             1611         bool "R4x00"
1558         depends on SYS_HAS_CPU_R4X00             1612         depends on SYS_HAS_CPU_R4X00
1559         select CPU_SUPPORTS_32BIT_KERNEL         1613         select CPU_SUPPORTS_32BIT_KERNEL
1560         select CPU_SUPPORTS_64BIT_KERNEL         1614         select CPU_SUPPORTS_64BIT_KERNEL
1561         select CPU_SUPPORTS_HUGEPAGES            1615         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1616         select CPU_HAS_LOAD_STORE_LR
1562         help                                     1617         help
1563           MIPS Technologies R4000-series proc    1618           MIPS Technologies R4000-series processors other than 4300, including
1564           the R4000, R4400, R4600, and 4700.     1619           the R4000, R4400, R4600, and 4700.
1565                                                  1620 
1566 config CPU_TX49XX                                1621 config CPU_TX49XX
1567         bool "R49XX"                             1622         bool "R49XX"
1568         depends on SYS_HAS_CPU_TX49XX            1623         depends on SYS_HAS_CPU_TX49XX
1569         select CPU_HAS_PREFETCH                  1624         select CPU_HAS_PREFETCH
                                                   >> 1625         select CPU_HAS_LOAD_STORE_LR
1570         select CPU_SUPPORTS_32BIT_KERNEL         1626         select CPU_SUPPORTS_32BIT_KERNEL
1571         select CPU_SUPPORTS_64BIT_KERNEL         1627         select CPU_SUPPORTS_64BIT_KERNEL
1572         select CPU_SUPPORTS_HUGEPAGES            1628         select CPU_SUPPORTS_HUGEPAGES
1573                                                  1629 
1574 config CPU_R5000                                 1630 config CPU_R5000
1575         bool "R5000"                             1631         bool "R5000"
1576         depends on SYS_HAS_CPU_R5000             1632         depends on SYS_HAS_CPU_R5000
1577         select CPU_SUPPORTS_32BIT_KERNEL         1633         select CPU_SUPPORTS_32BIT_KERNEL
1578         select CPU_SUPPORTS_64BIT_KERNEL         1634         select CPU_SUPPORTS_64BIT_KERNEL
1579         select CPU_SUPPORTS_HUGEPAGES            1635         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1636         select CPU_HAS_LOAD_STORE_LR
1580         help                                     1637         help
1581           MIPS Technologies R5000-series proc    1638           MIPS Technologies R5000-series processors other than the Nevada.
1582                                                  1639 
                                                   >> 1640 config CPU_R5432
                                                   >> 1641         bool "R5432"
                                                   >> 1642         depends on SYS_HAS_CPU_R5432
                                                   >> 1643         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1644         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1645         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1646         select CPU_HAS_LOAD_STORE_LR
                                                   >> 1647 
1583 config CPU_R5500                                 1648 config CPU_R5500
1584         bool "R5500"                             1649         bool "R5500"
1585         depends on SYS_HAS_CPU_R5500             1650         depends on SYS_HAS_CPU_R5500
1586         select CPU_SUPPORTS_32BIT_KERNEL         1651         select CPU_SUPPORTS_32BIT_KERNEL
1587         select CPU_SUPPORTS_64BIT_KERNEL         1652         select CPU_SUPPORTS_64BIT_KERNEL
1588         select CPU_SUPPORTS_HUGEPAGES            1653         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1654         select CPU_HAS_LOAD_STORE_LR
1589         help                                     1655         help
1590           NEC VR5500 and VR5500A series proce    1656           NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591           instruction set.                       1657           instruction set.
1592                                                  1658 
1593 config CPU_NEVADA                                1659 config CPU_NEVADA
1594         bool "RM52xx"                            1660         bool "RM52xx"
1595         depends on SYS_HAS_CPU_NEVADA            1661         depends on SYS_HAS_CPU_NEVADA
1596         select CPU_SUPPORTS_32BIT_KERNEL         1662         select CPU_SUPPORTS_32BIT_KERNEL
1597         select CPU_SUPPORTS_64BIT_KERNEL         1663         select CPU_SUPPORTS_64BIT_KERNEL
1598         select CPU_SUPPORTS_HUGEPAGES            1664         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1665         select CPU_HAS_LOAD_STORE_LR
1599         help                                     1666         help
1600           QED / PMC-Sierra RM52xx-series ("Ne    1667           QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601                                                  1668 
                                                   >> 1669 config CPU_R8000
                                                   >> 1670         bool "R8000"
                                                   >> 1671         depends on SYS_HAS_CPU_R8000
                                                   >> 1672         select CPU_HAS_PREFETCH
                                                   >> 1673         select CPU_HAS_LOAD_STORE_LR
                                                   >> 1674         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1675         help
                                                   >> 1676           MIPS Technologies R8000 processors.  Note these processors are
                                                   >> 1677           uncommon and the support for them is incomplete.
                                                   >> 1678 
1602 config CPU_R10000                                1679 config CPU_R10000
1603         bool "R10000"                            1680         bool "R10000"
1604         depends on SYS_HAS_CPU_R10000            1681         depends on SYS_HAS_CPU_R10000
1605         select CPU_HAS_PREFETCH                  1682         select CPU_HAS_PREFETCH
                                                   >> 1683         select CPU_HAS_LOAD_STORE_LR
1606         select CPU_SUPPORTS_32BIT_KERNEL         1684         select CPU_SUPPORTS_32BIT_KERNEL
1607         select CPU_SUPPORTS_64BIT_KERNEL         1685         select CPU_SUPPORTS_64BIT_KERNEL
1608         select CPU_SUPPORTS_HIGHMEM              1686         select CPU_SUPPORTS_HIGHMEM
1609         select CPU_SUPPORTS_HUGEPAGES            1687         select CPU_SUPPORTS_HUGEPAGES
1610         help                                     1688         help
1611           MIPS Technologies R10000-series pro    1689           MIPS Technologies R10000-series processors.
1612                                                  1690 
1613 config CPU_RM7000                                1691 config CPU_RM7000
1614         bool "RM7000"                            1692         bool "RM7000"
1615         depends on SYS_HAS_CPU_RM7000            1693         depends on SYS_HAS_CPU_RM7000
1616         select CPU_HAS_PREFETCH                  1694         select CPU_HAS_PREFETCH
                                                   >> 1695         select CPU_HAS_LOAD_STORE_LR
1617         select CPU_SUPPORTS_32BIT_KERNEL         1696         select CPU_SUPPORTS_32BIT_KERNEL
1618         select CPU_SUPPORTS_64BIT_KERNEL         1697         select CPU_SUPPORTS_64BIT_KERNEL
1619         select CPU_SUPPORTS_HIGHMEM              1698         select CPU_SUPPORTS_HIGHMEM
1620         select CPU_SUPPORTS_HUGEPAGES            1699         select CPU_SUPPORTS_HUGEPAGES
1621                                                  1700 
1622 config CPU_SB1                                   1701 config CPU_SB1
1623         bool "SB1"                               1702         bool "SB1"
1624         depends on SYS_HAS_CPU_SB1               1703         depends on SYS_HAS_CPU_SB1
                                                   >> 1704         select CPU_HAS_LOAD_STORE_LR
1625         select CPU_SUPPORTS_32BIT_KERNEL         1705         select CPU_SUPPORTS_32BIT_KERNEL
1626         select CPU_SUPPORTS_64BIT_KERNEL         1706         select CPU_SUPPORTS_64BIT_KERNEL
1627         select CPU_SUPPORTS_HIGHMEM              1707         select CPU_SUPPORTS_HIGHMEM
1628         select CPU_SUPPORTS_HUGEPAGES            1708         select CPU_SUPPORTS_HUGEPAGES
1629         select WEAK_ORDERING                     1709         select WEAK_ORDERING
1630                                                  1710 
1631 config CPU_CAVIUM_OCTEON                         1711 config CPU_CAVIUM_OCTEON
1632         bool "Cavium Octeon processor"           1712         bool "Cavium Octeon processor"
1633         depends on SYS_HAS_CPU_CAVIUM_OCTEON     1713         depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634         select CPU_HAS_PREFETCH                  1714         select CPU_HAS_PREFETCH
                                                   >> 1715         select CPU_HAS_LOAD_STORE_LR
1635         select CPU_SUPPORTS_64BIT_KERNEL         1716         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                     1717         select WEAK_ORDERING
1639         select CPU_SUPPORTS_HIGHMEM              1718         select CPU_SUPPORTS_HIGHMEM
1640         select CPU_SUPPORTS_HUGEPAGES            1719         select CPU_SUPPORTS_HUGEPAGES
1641         select USB_EHCI_BIG_ENDIAN_MMIO if CP    1720         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642         select USB_OHCI_BIG_ENDIAN_MMIO if CP    1721         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643         select MIPS_L1_CACHE_SHIFT_7             1722         select MIPS_L1_CACHE_SHIFT_7
1644         select CPU_SUPPORTS_VZ                !! 1723         select HAVE_KVM
1645         help                                     1724         help
1646           The Cavium Octeon processor is a hi    1725           The Cavium Octeon processor is a highly integrated chip containing
1647           many ethernet hardware widgets for     1726           many ethernet hardware widgets for networking tasks. The processor
1648           can have up to 16 Mips64v2 cores an    1727           can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649           Full details can be found at http:/    1728           Full details can be found at http://www.caviumnetworks.com.
1650                                                  1729 
1651 config CPU_BMIPS                                 1730 config CPU_BMIPS
1652         bool "Broadcom BMIPS"                    1731         bool "Broadcom BMIPS"
1653         depends on SYS_HAS_CPU_BMIPS             1732         depends on SYS_HAS_CPU_BMIPS
1654         select CPU_MIPS32                        1733         select CPU_MIPS32
1655         select CPU_BMIPS32_3300 if SYS_HAS_CP    1734         select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656         select CPU_BMIPS4350 if SYS_HAS_CPU_B    1735         select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657         select CPU_BMIPS4380 if SYS_HAS_CPU_B    1736         select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658         select CPU_BMIPS5000 if SYS_HAS_CPU_B    1737         select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659         select CPU_SUPPORTS_32BIT_KERNEL         1738         select CPU_SUPPORTS_32BIT_KERNEL
1660         select DMA_NONCOHERENT                   1739         select DMA_NONCOHERENT
1661         select IRQ_MIPS_CPU                      1740         select IRQ_MIPS_CPU
1662         select SWAP_IO_SPACE                     1741         select SWAP_IO_SPACE
1663         select WEAK_ORDERING                     1742         select WEAK_ORDERING
1664         select CPU_SUPPORTS_HIGHMEM              1743         select CPU_SUPPORTS_HIGHMEM
1665         select CPU_HAS_PREFETCH                  1744         select CPU_HAS_PREFETCH
                                                   >> 1745         select CPU_HAS_LOAD_STORE_LR
1666         select CPU_SUPPORTS_CPUFREQ              1746         select CPU_SUPPORTS_CPUFREQ
1667         select MIPS_EXTERNAL_TIMER               1747         select MIPS_EXTERNAL_TIMER
1668         select GENERIC_IRQ_MIGRATION if HOTPL << 
1669         help                                     1748         help
1670           Support for BMIPS32/3300/4350/4380     1749           Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671                                                  1750 
1672 endchoice                                     !! 1751 config CPU_XLR
1673                                               !! 1752         bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT                  !! 1753         depends on SYS_HAS_CPU_XLR
1675         bool "New Loongson-3 CPU Enhancements !! 1754         select CPU_HAS_LOAD_STORE_LR
1676         default n                             !! 1755         select CPU_SUPPORTS_32BIT_KERNEL
1677         depends on CPU_LOONGSON64             !! 1756         select CPU_SUPPORTS_64BIT_KERNEL
1678         help                                  !! 1757         select CPU_SUPPORTS_HIGHMEM
1679           New Loongson-3 cores (since Loongso !! 1758         select CPU_SUPPORTS_HUGEPAGES
1680           R1, Loongson-3B R1 and Loongson-3B  !! 1759         select WEAK_ORDERING
1681           FTLB, L1-VCache, EI/DI/Wait/Prefetc !! 1760         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                                     1761         help
1695           Loongson-3 processors have the llsc !! 1762           Netlogic Microsystems XLR/XLS processors.
1696           Without workarounds the system may  << 
1697                                               << 
1698           Say Y, unless you know what you are << 
1699                                                  1763 
1700 config CPU_LOONGSON3_CPUCFG_EMULATION         !! 1764 config CPU_XLP
1701         bool "Emulate the CPUCFG instruction  !! 1765         bool "Netlogic XLP SoC"
1702         default y                             !! 1766         depends on SYS_HAS_CPU_XLP
1703         depends on CPU_LOONGSON64             !! 1767         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1768         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1769         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1770         select WEAK_ORDERING
                                                   >> 1771         select WEAK_REORDERING_BEYOND_LLSC
                                                   >> 1772         select CPU_HAS_PREFETCH
                                                   >> 1773         select CPU_HAS_LOAD_STORE_LR
                                                   >> 1774         select CPU_MIPSR2
                                                   >> 1775         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1776         select MIPS_ASID_BITS_VARIABLE
1704         help                                     1777         help
1705           Loongson-3A R4 and newer have the C !! 1778           Netlogic Microsystems XLP processors.
1706           userland to query CPU capabilities, !! 1779 endchoice
1707           option provides emulation of the in << 
1708           cores, back to Loongson-3A1000.     << 
1709                                               << 
1710           If unsure, please say Y.            << 
1711                                                  1780 
1712 config CPU_MIPS32_3_5_FEATURES                   1781 config CPU_MIPS32_3_5_FEATURES
1713         bool "MIPS32 Release 3.5 Features"       1782         bool "MIPS32 Release 3.5 Features"
1714         depends on SYS_HAS_CPU_MIPS32_R3_5       1783         depends on SYS_HAS_CPU_MIPS32_R3_5
1715         depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1784         depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
1716                    CPU_P5600                  << 
1717         help                                     1785         help
1718           Choose this option to build a kerne    1786           Choose this option to build a kernel for release 2 or later of the
1719           MIPS32 architecture including featu    1787           MIPS32 architecture including features from the 3.5 release such as
1720           support for Enhanced Virtual Addres    1788           support for Enhanced Virtual Addressing (EVA).
1721                                                  1789 
1722 config CPU_MIPS32_3_5_EVA                        1790 config CPU_MIPS32_3_5_EVA
1723         bool "Enhanced Virtual Addressing (EV    1791         bool "Enhanced Virtual Addressing (EVA)"
1724         depends on CPU_MIPS32_3_5_FEATURES       1792         depends on CPU_MIPS32_3_5_FEATURES
1725         select EVA                               1793         select EVA
1726         default y                                1794         default y
1727         help                                     1795         help
1728           Choose this option if you want to e    1796           Choose this option if you want to enable the Enhanced Virtual
1729           Addressing (EVA) on your MIPS32 cor    1797           Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730           One of its primary benefits is an i    1798           One of its primary benefits is an increase in the maximum size
1731           of lowmem (up to 3GB). If unsure, s    1799           of lowmem (up to 3GB). If unsure, say 'N' here.
1732                                                  1800 
1733 config CPU_MIPS32_R5_FEATURES                    1801 config CPU_MIPS32_R5_FEATURES
1734         bool "MIPS32 Release 5 Features"         1802         bool "MIPS32 Release 5 Features"
1735         depends on SYS_HAS_CPU_MIPS32_R5         1803         depends on SYS_HAS_CPU_MIPS32_R5
1736         depends on CPU_MIPS32_R2 || CPU_MIPS3 !! 1804         depends on CPU_MIPS32_R2
1737         help                                     1805         help
1738           Choose this option to build a kerne    1806           Choose this option to build a kernel for release 2 or later of the
1739           MIPS32 architecture including featu    1807           MIPS32 architecture including features from release 5 such as
1740           support for Extended Physical Addre    1808           support for Extended Physical Addressing (XPA).
1741                                                  1809 
1742 config CPU_MIPS32_R5_XPA                         1810 config CPU_MIPS32_R5_XPA
1743         bool "Extended Physical Addressing (X    1811         bool "Extended Physical Addressing (XPA)"
1744         depends on CPU_MIPS32_R5_FEATURES        1812         depends on CPU_MIPS32_R5_FEATURES
1745         depends on !EVA                          1813         depends on !EVA
1746         depends on !PAGE_SIZE_4KB                1814         depends on !PAGE_SIZE_4KB
1747         depends on SYS_SUPPORTS_HIGHMEM          1815         depends on SYS_SUPPORTS_HIGHMEM
1748         select XPA                               1816         select XPA
1749         select HIGHMEM                           1817         select HIGHMEM
1750         select PHYS_ADDR_T_64BIT                 1818         select PHYS_ADDR_T_64BIT
1751         default n                                1819         default n
1752         help                                     1820         help
1753           Choose this option if you want to e    1821           Choose this option if you want to enable the Extended Physical
1754           Addressing (XPA) on your MIPS32 cor    1822           Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755           benefit is to increase physical add    1823           benefit is to increase physical addressing equal to or greater
1756           than 40 bits. Note that this has th    1824           than 40 bits. Note that this has the side effect of turning on
1757           64-bit addressing which in turn mak    1825           64-bit addressing which in turn makes the PTEs 64-bit in size.
1758           If unsure, say 'N' here.               1826           If unsure, say 'N' here.
1759                                                  1827 
1760 if CPU_LOONGSON2F                                1828 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS                       1829 config CPU_NOP_WORKAROUNDS
1762         bool                                     1830         bool
1763                                                  1831 
1764 config CPU_JUMP_WORKAROUNDS                      1832 config CPU_JUMP_WORKAROUNDS
1765         bool                                     1833         bool
1766                                                  1834 
1767 config CPU_LOONGSON2F_WORKAROUNDS                1835 config CPU_LOONGSON2F_WORKAROUNDS
1768         bool "Loongson 2F Workarounds"           1836         bool "Loongson 2F Workarounds"
1769         default y                                1837         default y
1770         select CPU_NOP_WORKAROUNDS               1838         select CPU_NOP_WORKAROUNDS
1771         select CPU_JUMP_WORKAROUNDS              1839         select CPU_JUMP_WORKAROUNDS
1772         help                                     1840         help
1773           Loongson 2F01 / 2F02 processors hav    1841           Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774           require workarounds.  Without worka    1842           require workarounds.  Without workarounds the system may hang
1775           unexpectedly.  For more information    1843           unexpectedly.  For more information please refer to the gas
1776           -mfix-loongson2f-nop and -mfix-loon    1844           -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777                                                  1845 
1778           Loongson 2F03 and later have fixed     1846           Loongson 2F03 and later have fixed these issues and no workarounds
1779           are needed.  The workarounds have n    1847           are needed.  The workarounds have no significant side effect on them
1780           but may decrease the performance of    1848           but may decrease the performance of the system so this option should
1781           be disabled unless the kernel is in    1849           be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782           systems.                               1850           systems.
1783                                                  1851 
1784           If unsure, please say Y.               1852           If unsure, please say Y.
1785 endif # CPU_LOONGSON2F                           1853 endif # CPU_LOONGSON2F
1786                                                  1854 
1787 config SYS_SUPPORTS_ZBOOT                        1855 config SYS_SUPPORTS_ZBOOT
1788         bool                                     1856         bool
1789         select HAVE_KERNEL_GZIP                  1857         select HAVE_KERNEL_GZIP
1790         select HAVE_KERNEL_BZIP2                 1858         select HAVE_KERNEL_BZIP2
1791         select HAVE_KERNEL_LZ4                   1859         select HAVE_KERNEL_LZ4
1792         select HAVE_KERNEL_LZMA                  1860         select HAVE_KERNEL_LZMA
1793         select HAVE_KERNEL_LZO                   1861         select HAVE_KERNEL_LZO
1794         select HAVE_KERNEL_XZ                    1862         select HAVE_KERNEL_XZ
1795         select HAVE_KERNEL_ZSTD               << 
1796                                                  1863 
1797 config SYS_SUPPORTS_ZBOOT_UART16550              1864 config SYS_SUPPORTS_ZBOOT_UART16550
1798         bool                                     1865         bool
1799         select SYS_SUPPORTS_ZBOOT                1866         select SYS_SUPPORTS_ZBOOT
1800                                                  1867 
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM              1868 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802         bool                                     1869         bool
1803         select SYS_SUPPORTS_ZBOOT                1870         select SYS_SUPPORTS_ZBOOT
1804                                                  1871 
1805 config CPU_LOONGSON2EF                        !! 1872 config CPU_LOONGSON2
1806         bool                                     1873         bool
1807         select CPU_SUPPORTS_32BIT_KERNEL         1874         select CPU_SUPPORTS_32BIT_KERNEL
1808         select CPU_SUPPORTS_64BIT_KERNEL         1875         select CPU_SUPPORTS_64BIT_KERNEL
1809         select CPU_SUPPORTS_HIGHMEM              1876         select CPU_SUPPORTS_HIGHMEM
1810         select CPU_SUPPORTS_HUGEPAGES            1877         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1878         select ARCH_HAS_PHYS_TO_DMA
                                                   >> 1879         select CPU_HAS_LOAD_STORE_LR
1811                                                  1880 
1812 config CPU_LOONGSON32                         !! 1881 config CPU_LOONGSON1
1813         bool                                     1882         bool
1814         select CPU_MIPS32                        1883         select CPU_MIPS32
1815         select CPU_MIPSR2                     !! 1884         select CPU_MIPSR1
1816         select CPU_HAS_PREFETCH                  1885         select CPU_HAS_PREFETCH
                                                   >> 1886         select CPU_HAS_LOAD_STORE_LR
1817         select CPU_SUPPORTS_32BIT_KERNEL         1887         select CPU_SUPPORTS_32BIT_KERNEL
1818         select CPU_SUPPORTS_HIGHMEM              1888         select CPU_SUPPORTS_HIGHMEM
1819         select CPU_SUPPORTS_CPUFREQ              1889         select CPU_SUPPORTS_CPUFREQ
1820                                                  1890 
1821 config CPU_BMIPS32_3300                          1891 config CPU_BMIPS32_3300
1822         select SMP_UP if SMP                     1892         select SMP_UP if SMP
1823         bool                                     1893         bool
1824                                                  1894 
1825 config CPU_BMIPS4350                             1895 config CPU_BMIPS4350
1826         bool                                     1896         bool
1827         select SYS_SUPPORTS_SMP                  1897         select SYS_SUPPORTS_SMP
1828         select SYS_SUPPORTS_HOTPLUG_CPU          1898         select SYS_SUPPORTS_HOTPLUG_CPU
1829                                                  1899 
1830 config CPU_BMIPS4380                             1900 config CPU_BMIPS4380
1831         bool                                     1901         bool
1832         select MIPS_L1_CACHE_SHIFT_6             1902         select MIPS_L1_CACHE_SHIFT_6
1833         select SYS_SUPPORTS_SMP                  1903         select SYS_SUPPORTS_SMP
1834         select SYS_SUPPORTS_HOTPLUG_CPU          1904         select SYS_SUPPORTS_HOTPLUG_CPU
1835         select CPU_HAS_RIXI                      1905         select CPU_HAS_RIXI
1836                                                  1906 
1837 config CPU_BMIPS5000                             1907 config CPU_BMIPS5000
1838         bool                                     1908         bool
1839         select MIPS_CPU_SCACHE                   1909         select MIPS_CPU_SCACHE
1840         select MIPS_L1_CACHE_SHIFT_7             1910         select MIPS_L1_CACHE_SHIFT_7
1841         select SYS_SUPPORTS_SMP                  1911         select SYS_SUPPORTS_SMP
1842         select SYS_SUPPORTS_HOTPLUG_CPU          1912         select SYS_SUPPORTS_HOTPLUG_CPU
1843         select CPU_HAS_RIXI                      1913         select CPU_HAS_RIXI
1844                                                  1914 
1845 config SYS_HAS_CPU_LOONGSON64                 !! 1915 config SYS_HAS_CPU_LOONGSON3
1846         bool                                     1916         bool
1847         select CPU_SUPPORTS_CPUFREQ              1917         select CPU_SUPPORTS_CPUFREQ
1848         select CPU_HAS_RIXI                      1918         select CPU_HAS_RIXI
1849                                                  1919 
1850 config SYS_HAS_CPU_LOONGSON2E                    1920 config SYS_HAS_CPU_LOONGSON2E
1851         bool                                     1921         bool
1852                                                  1922 
1853 config SYS_HAS_CPU_LOONGSON2F                    1923 config SYS_HAS_CPU_LOONGSON2F
1854         bool                                     1924         bool
1855         select CPU_SUPPORTS_CPUFREQ              1925         select CPU_SUPPORTS_CPUFREQ
1856         select CPU_SUPPORTS_ADDRWINCFG if 64B    1926         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
                                                   >> 1927         select CPU_SUPPORTS_UNCACHED_ACCELERATED
1857                                                  1928 
1858 config SYS_HAS_CPU_LOONGSON1B                    1929 config SYS_HAS_CPU_LOONGSON1B
1859         bool                                     1930         bool
1860                                                  1931 
1861 config SYS_HAS_CPU_LOONGSON1C                    1932 config SYS_HAS_CPU_LOONGSON1C
1862         bool                                     1933         bool
1863                                                  1934 
1864 config SYS_HAS_CPU_MIPS32_R1                     1935 config SYS_HAS_CPU_MIPS32_R1
1865         bool                                     1936         bool
1866                                                  1937 
1867 config SYS_HAS_CPU_MIPS32_R2                     1938 config SYS_HAS_CPU_MIPS32_R2
1868         bool                                     1939         bool
1869                                                  1940 
1870 config SYS_HAS_CPU_MIPS32_R3_5                   1941 config SYS_HAS_CPU_MIPS32_R3_5
1871         bool                                     1942         bool
1872                                                  1943 
1873 config SYS_HAS_CPU_MIPS32_R5                     1944 config SYS_HAS_CPU_MIPS32_R5
1874         bool                                     1945         bool
1875                                                  1946 
1876 config SYS_HAS_CPU_MIPS32_R6                     1947 config SYS_HAS_CPU_MIPS32_R6
1877         bool                                     1948         bool
1878                                                  1949 
1879 config SYS_HAS_CPU_MIPS64_R1                     1950 config SYS_HAS_CPU_MIPS64_R1
1880         bool                                     1951         bool
1881                                                  1952 
1882 config SYS_HAS_CPU_MIPS64_R2                     1953 config SYS_HAS_CPU_MIPS64_R2
1883         bool                                     1954         bool
1884                                                  1955 
1885 config SYS_HAS_CPU_MIPS64_R5                  !! 1956 config SYS_HAS_CPU_MIPS64_R6
1886         bool                                     1957         bool
1887                                                  1958 
1888 config SYS_HAS_CPU_MIPS64_R6                  !! 1959 config SYS_HAS_CPU_R3000
1889         bool                                     1960         bool
1890                                                  1961 
1891 config SYS_HAS_CPU_P5600                      !! 1962 config SYS_HAS_CPU_TX39XX
1892         bool                                     1963         bool
1893                                                  1964 
1894 config SYS_HAS_CPU_R3000                      !! 1965 config SYS_HAS_CPU_VR41XX
1895         bool                                     1966         bool
1896                                                  1967 
1897 config SYS_HAS_CPU_R4300                         1968 config SYS_HAS_CPU_R4300
1898         bool                                     1969         bool
1899                                                  1970 
1900 config SYS_HAS_CPU_R4X00                         1971 config SYS_HAS_CPU_R4X00
1901         bool                                     1972         bool
1902                                                  1973 
1903 config SYS_HAS_CPU_TX49XX                        1974 config SYS_HAS_CPU_TX49XX
1904         bool                                     1975         bool
1905                                                  1976 
1906 config SYS_HAS_CPU_R5000                         1977 config SYS_HAS_CPU_R5000
1907         bool                                     1978         bool
1908                                                  1979 
                                                   >> 1980 config SYS_HAS_CPU_R5432
                                                   >> 1981         bool
                                                   >> 1982 
1909 config SYS_HAS_CPU_R5500                         1983 config SYS_HAS_CPU_R5500
1910         bool                                     1984         bool
1911                                                  1985 
1912 config SYS_HAS_CPU_NEVADA                        1986 config SYS_HAS_CPU_NEVADA
1913         bool                                     1987         bool
1914                                                  1988 
                                                   >> 1989 config SYS_HAS_CPU_R8000
                                                   >> 1990         bool
                                                   >> 1991 
1915 config SYS_HAS_CPU_R10000                        1992 config SYS_HAS_CPU_R10000
1916         bool                                     1993         bool
1917                                                  1994 
1918 config SYS_HAS_CPU_RM7000                        1995 config SYS_HAS_CPU_RM7000
1919         bool                                     1996         bool
1920                                                  1997 
1921 config SYS_HAS_CPU_SB1                           1998 config SYS_HAS_CPU_SB1
1922         bool                                     1999         bool
1923                                                  2000 
1924 config SYS_HAS_CPU_CAVIUM_OCTEON                 2001 config SYS_HAS_CPU_CAVIUM_OCTEON
1925         bool                                     2002         bool
1926                                                  2003 
1927 config SYS_HAS_CPU_BMIPS                         2004 config SYS_HAS_CPU_BMIPS
1928         bool                                     2005         bool
1929                                                  2006 
1930 config SYS_HAS_CPU_BMIPS32_3300                  2007 config SYS_HAS_CPU_BMIPS32_3300
1931         bool                                     2008         bool
1932         select SYS_HAS_CPU_BMIPS                 2009         select SYS_HAS_CPU_BMIPS
1933                                                  2010 
1934 config SYS_HAS_CPU_BMIPS4350                     2011 config SYS_HAS_CPU_BMIPS4350
1935         bool                                     2012         bool
1936         select SYS_HAS_CPU_BMIPS                 2013         select SYS_HAS_CPU_BMIPS
1937                                                  2014 
1938 config SYS_HAS_CPU_BMIPS4380                     2015 config SYS_HAS_CPU_BMIPS4380
1939         bool                                     2016         bool
1940         select SYS_HAS_CPU_BMIPS                 2017         select SYS_HAS_CPU_BMIPS
1941                                                  2018 
1942 config SYS_HAS_CPU_BMIPS5000                     2019 config SYS_HAS_CPU_BMIPS5000
1943         bool                                     2020         bool
1944         select SYS_HAS_CPU_BMIPS                 2021         select SYS_HAS_CPU_BMIPS
1945                                                  2022 
                                                   >> 2023 config SYS_HAS_CPU_XLR
                                                   >> 2024         bool
                                                   >> 2025 
                                                   >> 2026 config SYS_HAS_CPU_XLP
                                                   >> 2027         bool
                                                   >> 2028 
1946 #                                                2029 #
1947 # CPU may reorder R->R, R->W, W->R, W->W         2030 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W    2031 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 #                                                2032 #
1950 config WEAK_ORDERING                             2033 config WEAK_ORDERING
1951         bool                                     2034         bool
1952                                                  2035 
1953 #                                                2036 #
1954 # CPU may reorder reads and writes beyond LL/    2037 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL,    2038 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 #                                                2039 #
1957 config WEAK_REORDERING_BEYOND_LLSC               2040 config WEAK_REORDERING_BEYOND_LLSC
1958         bool                                     2041         bool
1959 endmenu                                          2042 endmenu
1960                                                  2043 
1961 #                                                2044 #
1962 # These two indicate any level of the MIPS32     2045 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 #                                                2046 #
1964 config CPU_MIPS32                                2047 config CPU_MIPS32
1965         bool                                     2048         bool
1966         default y if CPU_MIPS32_R1 || CPU_MIP !! 2049         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
1967                      CPU_MIPS32_R6 || CPU_P56 << 
1968                                                  2050 
1969 config CPU_MIPS64                                2051 config CPU_MIPS64
1970         bool                                     2052         bool
1971         default y if CPU_MIPS64_R1 || CPU_MIP !! 2053         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
1972                      CPU_MIPS64_R6 || CPU_LOO << 
1973                                                  2054 
1974 #                                                2055 #
1975 # These indicate the revision of the architec    2056 # These indicate the revision of the architecture
1976 #                                                2057 #
1977 config CPU_MIPSR1                                2058 config CPU_MIPSR1
1978         bool                                     2059         bool
1979         default y if CPU_MIPS32_R1 || CPU_MIP    2060         default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980                                                  2061 
1981 config CPU_MIPSR2                                2062 config CPU_MIPSR2
1982         bool                                     2063         bool
1983         default y if CPU_MIPS32_R2 || CPU_MIP    2064         default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984         select CPU_HAS_RIXI                      2065         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                        2066         select MIPS_SPRAM
1994                                                  2067 
1995 config CPU_MIPSR6                                2068 config CPU_MIPSR6
1996         bool                                     2069         bool
1997         default y if CPU_MIPS32_R6 || CPU_MIP    2070         default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998         select CPU_HAS_RIXI                      2071         select CPU_HAS_RIXI
1999         select CPU_HAS_DIEI if !CPU_DIEI_BROK << 
2000         select HAVE_ARCH_BITREVERSE              2072         select HAVE_ARCH_BITREVERSE
2001         select MIPS_ASID_BITS_VARIABLE           2073         select MIPS_ASID_BITS_VARIABLE
2002         select MIPS_CRC_SUPPORT                  2074         select MIPS_CRC_SUPPORT
2003         select MIPS_SPRAM                        2075         select MIPS_SPRAM
2004                                                  2076 
2005 config TARGET_ISA_REV                            2077 config TARGET_ISA_REV
2006         int                                      2078         int
2007         default 1 if CPU_MIPSR1                  2079         default 1 if CPU_MIPSR1
2008         default 2 if CPU_MIPSR2                  2080         default 2 if CPU_MIPSR2
2009         default 5 if CPU_MIPSR5               << 
2010         default 6 if CPU_MIPSR6                  2081         default 6 if CPU_MIPSR6
2011         default 0                                2082         default 0
2012         help                                     2083         help
2013           Reflects the ISA revision being tar    2084           Reflects the ISA revision being targeted by the kernel build. This
2014           is effectively the Kconfig equivale    2085           is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015                                                  2086 
2016 config EVA                                       2087 config EVA
2017         bool                                     2088         bool
2018                                                  2089 
2019 config XPA                                       2090 config XPA
2020         bool                                     2091         bool
2021                                                  2092 
2022 config SYS_SUPPORTS_32BIT_KERNEL                 2093 config SYS_SUPPORTS_32BIT_KERNEL
2023         bool                                     2094         bool
2024 config SYS_SUPPORTS_64BIT_KERNEL                 2095 config SYS_SUPPORTS_64BIT_KERNEL
2025         bool                                     2096         bool
2026 config CPU_SUPPORTS_32BIT_KERNEL                 2097 config CPU_SUPPORTS_32BIT_KERNEL
2027         bool                                     2098         bool
2028 config CPU_SUPPORTS_64BIT_KERNEL                 2099 config CPU_SUPPORTS_64BIT_KERNEL
2029         bool                                     2100         bool
2030 config CPU_SUPPORTS_CPUFREQ                      2101 config CPU_SUPPORTS_CPUFREQ
2031         bool                                     2102         bool
2032 config CPU_SUPPORTS_ADDRWINCFG                   2103 config CPU_SUPPORTS_ADDRWINCFG
2033         bool                                     2104         bool
2034 config CPU_SUPPORTS_HUGEPAGES                    2105 config CPU_SUPPORTS_HUGEPAGES
2035         bool                                     2106         bool
2036         depends on !(32BIT && (PHYS_ADDR_T_64 !! 2107 config CPU_SUPPORTS_UNCACHED_ACCELERATED
2037 config CPU_SUPPORTS_VZ                        << 
2038         bool                                     2108         bool
2039 config MIPS_PGD_C0_CONTEXT                       2109 config MIPS_PGD_C0_CONTEXT
2040         bool                                     2110         bool
2041         depends on 64BIT                      !! 2111         default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042         default y if (CPU_MIPSR2 || CPU_MIPSR << 
2043                                                  2112 
2044 #                                                2113 #
2045 # Set to y for ptrace access to watch registe    2114 # Set to y for ptrace access to watch registers.
2046 #                                                2115 #
2047 config HARDWARE_WATCHPOINTS                      2116 config HARDWARE_WATCHPOINTS
2048         bool                                  !! 2117        bool
2049         default y if CPU_MIPSR1 || CPU_MIPSR2 !! 2118        default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050                                                  2119 
2051 menu "Kernel type"                               2120 menu "Kernel type"
2052                                                  2121 
2053 choice                                           2122 choice
2054         prompt "Kernel code model"               2123         prompt "Kernel code model"
2055         help                                     2124         help
2056           You should only select this option     2125           You should only select this option if you have a workload that
2057           actually benefits from 64-bit proce    2126           actually benefits from 64-bit processing or if your machine has
2058           large memory.  You will only be pre    2127           large memory.  You will only be presented a single option in this
2059           menu if your system does not suppor    2128           menu if your system does not support both 32-bit and 64-bit kernels.
2060                                                  2129 
2061 config 32BIT                                     2130 config 32BIT
2062         bool "32-bit kernel"                     2131         bool "32-bit kernel"
2063         depends on CPU_SUPPORTS_32BIT_KERNEL     2132         depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064         select TRAD_SIGNALS                      2133         select TRAD_SIGNALS
2065         help                                     2134         help
2066           Select this option if you want to b    2135           Select this option if you want to build a 32-bit kernel.
2067                                                  2136 
2068 config 64BIT                                     2137 config 64BIT
2069         bool "64-bit kernel"                     2138         bool "64-bit kernel"
2070         depends on CPU_SUPPORTS_64BIT_KERNEL     2139         depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071         help                                     2140         help
2072           Select this option if you want to b    2141           Select this option if you want to build a 64-bit kernel.
2073                                                  2142 
2074 endchoice                                        2143 endchoice
2075                                                  2144 
                                                   >> 2145 config KVM_GUEST
                                                   >> 2146         bool "KVM Guest Kernel"
                                                   >> 2147         depends on BROKEN_ON_SMP
                                                   >> 2148         help
                                                   >> 2149           Select this option if building a guest kernel for KVM (Trap & Emulate)
                                                   >> 2150           mode.
                                                   >> 2151 
                                                   >> 2152 config KVM_GUEST_TIMER_FREQ
                                                   >> 2153         int "Count/Compare Timer Frequency (MHz)"
                                                   >> 2154         depends on KVM_GUEST
                                                   >> 2155         default 100
                                                   >> 2156         help
                                                   >> 2157           Set this to non-zero if building a guest kernel for KVM to skip RTC
                                                   >> 2158           emulation when determining guest CPU Frequency. Instead, the guest's
                                                   >> 2159           timer frequency is specified directly.
                                                   >> 2160 
2076 config MIPS_VA_BITS_48                           2161 config MIPS_VA_BITS_48
2077         bool "48 bits virtual memory"            2162         bool "48 bits virtual memory"
2078         depends on 64BIT                         2163         depends on 64BIT
2079         help                                     2164         help
2080           Support a maximum at least 48 bits     2165           Support a maximum at least 48 bits of application virtual
2081           memory.  Default is 40 bits or less    2166           memory.  Default is 40 bits or less, depending on the CPU.
2082           For page sizes 16k and above, this     2167           For page sizes 16k and above, this option results in a small
2083           memory overhead for page tables.  F    2168           memory overhead for page tables.  For 4k page size, a fourth
2084           level of page tables is added which    2169           level of page tables is added which imposes both a memory
2085           overhead as well as slower TLB faul    2170           overhead as well as slower TLB fault handling.
2086                                                  2171 
2087           If unsure, say N.                      2172           If unsure, say N.
2088                                                  2173 
2089 config ZBOOT_LOAD_ADDRESS                     !! 2174 choice
2090         hex "Compressed kernel load address"  !! 2175         prompt "Kernel page size"
2091         default 0xffffffff80400000 if BCM47XX !! 2176         default PAGE_SIZE_4KB
2092         default 0x0                           << 
2093         depends on SYS_SUPPORTS_ZBOOT         << 
2094         help                                  << 
2095           The address to load compressed kern << 
2096                                                  2177 
2097           This is only used if non-zero.      !! 2178 config PAGE_SIZE_4KB
                                                   >> 2179         bool "4kB"
                                                   >> 2180         depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
                                                   >> 2181         help
                                                   >> 2182          This option select the standard 4kB Linux page size.  On some
                                                   >> 2183          R3000-family processors this is the only available page size.  Using
                                                   >> 2184          4kB page size will minimize memory consumption and is therefore
                                                   >> 2185          recommended for low memory systems.
                                                   >> 2186 
                                                   >> 2187 config PAGE_SIZE_8KB
                                                   >> 2188         bool "8kB"
                                                   >> 2189         depends on CPU_R8000 || CPU_CAVIUM_OCTEON
                                                   >> 2190         depends on !MIPS_VA_BITS_48
                                                   >> 2191         help
                                                   >> 2192           Using 8kB page size will result in higher performance kernel at
                                                   >> 2193           the price of higher memory consumption.  This option is available
                                                   >> 2194           only on R8000 and cnMIPS processors.  Note that you will need a
                                                   >> 2195           suitable Linux distribution to support this.
                                                   >> 2196 
                                                   >> 2197 config PAGE_SIZE_16KB
                                                   >> 2198         bool "16kB"
                                                   >> 2199         depends on !CPU_R3000 && !CPU_TX39XX
                                                   >> 2200         help
                                                   >> 2201           Using 16kB page size will result in higher performance kernel at
                                                   >> 2202           the price of higher memory consumption.  This option is available on
                                                   >> 2203           all non-R3000 family processors.  Note that you will need a suitable
                                                   >> 2204           Linux distribution to support this.
                                                   >> 2205 
                                                   >> 2206 config PAGE_SIZE_32KB
                                                   >> 2207         bool "32kB"
                                                   >> 2208         depends on CPU_CAVIUM_OCTEON
                                                   >> 2209         depends on !MIPS_VA_BITS_48
                                                   >> 2210         help
                                                   >> 2211           Using 32kB page size will result in higher performance kernel at
                                                   >> 2212           the price of higher memory consumption.  This option is available
                                                   >> 2213           only on cnMIPS cores.  Note that you will need a suitable Linux
                                                   >> 2214           distribution to support this.
                                                   >> 2215 
                                                   >> 2216 config PAGE_SIZE_64KB
                                                   >> 2217         bool "64kB"
                                                   >> 2218         depends on !CPU_R3000 && !CPU_TX39XX
                                                   >> 2219         help
                                                   >> 2220           Using 64kB page size will result in higher performance kernel at
                                                   >> 2221           the price of higher memory consumption.  This option is available on
                                                   >> 2222           all non-R3000 family processor.  Not that at the time of this
                                                   >> 2223           writing this option is still high experimental.
                                                   >> 2224 
                                                   >> 2225 endchoice
2098                                                  2226 
2099 config ARCH_FORCE_MAX_ORDER                   !! 2227 config FORCE_MAX_ZONEORDER
2100         int "Maximum zone order"                 2228         int "Maximum zone order"
2101         default "13" if MIPS_HUGE_TLB_SUPPORT !! 2229         range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102         default "12" if MIPS_HUGE_TLB_SUPPORT !! 2230         default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103         default "11" if MIPS_HUGE_TLB_SUPPORT !! 2231         range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104         default "10"                          !! 2232         default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
                                                   >> 2233         range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
                                                   >> 2234         default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
                                                   >> 2235         range 11 64
                                                   >> 2236         default "11"
2105         help                                     2237         help
2106           The kernel memory allocator divides    2238           The kernel memory allocator divides physically contiguous memory
2107           blocks into "zones", where each zon    2239           blocks into "zones", where each zone is a power of two number of
2108           pages.  This option selects the lar    2240           pages.  This option selects the largest power of two that the kernel
2109           keeps in the memory allocator.  If     2241           keeps in the memory allocator.  If you need to allocate very large
2110           blocks of physically contiguous mem    2242           blocks of physically contiguous memory, then you may need to
2111           increase this value.                   2243           increase this value.
2112                                                  2244 
                                                   >> 2245           This config option is actually maximum order plus one. For example,
                                                   >> 2246           a value of 11 means that the largest free memory block is 2^10 pages.
                                                   >> 2247 
2113           The page size is not necessarily 4K    2248           The page size is not necessarily 4KB.  Keep this in mind
2114           when choosing a value for this opti    2249           when choosing a value for this option.
2115                                                  2250 
2116 config BOARD_SCACHE                              2251 config BOARD_SCACHE
2117         bool                                     2252         bool
2118                                                  2253 
2119 config IP22_CPU_SCACHE                           2254 config IP22_CPU_SCACHE
2120         bool                                     2255         bool
2121         select BOARD_SCACHE                      2256         select BOARD_SCACHE
2122                                                  2257 
2123 #                                                2258 #
2124 # Support for a MIPS32 / MIPS64 style S-cache    2259 # Support for a MIPS32 / MIPS64 style S-caches
2125 #                                                2260 #
2126 config MIPS_CPU_SCACHE                           2261 config MIPS_CPU_SCACHE
2127         bool                                     2262         bool
2128         select BOARD_SCACHE                      2263         select BOARD_SCACHE
2129                                                  2264 
2130 config R5000_CPU_SCACHE                          2265 config R5000_CPU_SCACHE
2131         bool                                     2266         bool
2132         select BOARD_SCACHE                      2267         select BOARD_SCACHE
2133                                                  2268 
2134 config RM7000_CPU_SCACHE                         2269 config RM7000_CPU_SCACHE
2135         bool                                     2270         bool
2136         select BOARD_SCACHE                      2271         select BOARD_SCACHE
2137                                                  2272 
2138 config SIBYTE_DMA_PAGEOPS                        2273 config SIBYTE_DMA_PAGEOPS
2139         bool "Use DMA to clear/copy pages"       2274         bool "Use DMA to clear/copy pages"
2140         depends on CPU_SB1                       2275         depends on CPU_SB1
2141         help                                     2276         help
2142           Instead of using the CPU to zero an    2277           Instead of using the CPU to zero and copy pages, use a Data Mover
2143           channel.  These DMA channels are ot    2278           channel.  These DMA channels are otherwise unused by the standard
2144           SiByte Linux port.  Seems to give a    2279           SiByte Linux port.  Seems to give a small performance benefit.
2145                                                  2280 
2146 config CPU_HAS_PREFETCH                          2281 config CPU_HAS_PREFETCH
2147         bool                                     2282         bool
2148                                                  2283 
2149 config CPU_GENERIC_DUMP_TLB                      2284 config CPU_GENERIC_DUMP_TLB
2150         bool                                     2285         bool
2151         default y if !CPU_R3000               !! 2286         default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
2152                                                  2287 
2153 config MIPS_FP_SUPPORT                           2288 config MIPS_FP_SUPPORT
2154         bool "Floating Point support" if EXPE    2289         bool "Floating Point support" if EXPERT
2155         default y                                2290         default y
2156         help                                     2291         help
2157           Select y to include support for flo    2292           Select y to include support for floating point in the kernel
2158           including initialization of FPU har    2293           including initialization of FPU hardware, FP context save & restore
2159           and emulation of an FPU where neces    2294           and emulation of an FPU where necessary. Without this support any
2160           userland program attempting to use     2295           userland program attempting to use floating point instructions will
2161           receive a SIGILL.                      2296           receive a SIGILL.
2162                                                  2297 
2163           If you know that your userland will    2298           If you know that your userland will not attempt to use floating point
2164           instructions then you can say n her    2299           instructions then you can say n here to shrink the kernel a little.
2165                                                  2300 
2166           If unsure, say y.                      2301           If unsure, say y.
2167                                                  2302 
2168 config CPU_R2300_FPU                             2303 config CPU_R2300_FPU
2169         bool                                     2304         bool
2170         depends on MIPS_FP_SUPPORT               2305         depends on MIPS_FP_SUPPORT
2171         default y if CPU_R3000                !! 2306         default y if CPU_R3000 || CPU_TX39XX
2172                                               << 
2173 config CPU_R3K_TLB                            << 
2174         bool                                  << 
2175                                                  2307 
2176 config CPU_R4K_FPU                               2308 config CPU_R4K_FPU
2177         bool                                     2309         bool
2178         depends on MIPS_FP_SUPPORT               2310         depends on MIPS_FP_SUPPORT
2179         default y if !CPU_R2300_FPU              2311         default y if !CPU_R2300_FPU
2180                                                  2312 
2181 config CPU_R4K_CACHE_TLB                         2313 config CPU_R4K_CACHE_TLB
2182         bool                                     2314         bool
2183         default y if !(CPU_R3K_TLB || CPU_SB1 !! 2315         default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
2184                                                  2316 
2185 config MIPS_MT_SMP                               2317 config MIPS_MT_SMP
2186         bool "MIPS MT SMP support (1 TC on ea    2318         bool "MIPS MT SMP support (1 TC on each available VPE)"
2187         default y                                2319         default y
2188         depends on TARGET_ISA_REV > 0 && TARG !! 2320         depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189         depends on SYS_SUPPORTS_MULTITHREADIN << 
2190         select CPU_MIPSR2_IRQ_VI                 2321         select CPU_MIPSR2_IRQ_VI
2191         select CPU_MIPSR2_IRQ_EI                 2322         select CPU_MIPSR2_IRQ_EI
2192         select SYNC_R4K                          2323         select SYNC_R4K
2193         select MIPS_MT                           2324         select MIPS_MT
2194         select SMP                               2325         select SMP
2195         select SMP_UP                            2326         select SMP_UP
2196         select SYS_SUPPORTS_SMP                  2327         select SYS_SUPPORTS_SMP
2197         select SYS_SUPPORTS_SCHED_SMT            2328         select SYS_SUPPORTS_SCHED_SMT
2198         select MIPS_PERF_SHARED_TC_COUNTERS      2329         select MIPS_PERF_SHARED_TC_COUNTERS
2199         help                                     2330         help
2200           This is a kernel model which is kno    2331           This is a kernel model which is known as SMVP. This is supported
2201           on cores with the MT ASE and uses t    2332           on cores with the MT ASE and uses the available VPEs to implement
2202           virtual processors which supports S    2333           virtual processors which supports SMP. This is equivalent to the
2203           Intel Hyperthreading feature. For f    2334           Intel Hyperthreading feature. For further information go to
2204           <http://www.imgtec.com/mips/mips-mu    2335           <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205                                                  2336 
2206 config MIPS_MT                                   2337 config MIPS_MT
2207         bool                                     2338         bool
2208                                                  2339 
2209 config SCHED_SMT                                 2340 config SCHED_SMT
2210         bool "SMT (multithreading) scheduler     2341         bool "SMT (multithreading) scheduler support"
2211         depends on SYS_SUPPORTS_SCHED_SMT        2342         depends on SYS_SUPPORTS_SCHED_SMT
2212         default n                                2343         default n
2213         help                                     2344         help
2214           SMT scheduler support improves the     2345           SMT scheduler support improves the CPU scheduler's decision making
2215           when dealing with MIPS MT enabled c    2346           when dealing with MIPS MT enabled cores at a cost of slightly
2216           increased overhead in some places.     2347           increased overhead in some places. If unsure say N here.
2217                                                  2348 
2218 config SYS_SUPPORTS_SCHED_SMT                    2349 config SYS_SUPPORTS_SCHED_SMT
2219         bool                                     2350         bool
2220                                                  2351 
2221 config SYS_SUPPORTS_MULTITHREADING               2352 config SYS_SUPPORTS_MULTITHREADING
2222         bool                                     2353         bool
2223                                                  2354 
2224 config MIPS_MT_FPAFF                             2355 config MIPS_MT_FPAFF
2225         bool "Dynamic FPU affinity for FP-int    2356         bool "Dynamic FPU affinity for FP-intensive threads"
2226         default y                                2357         default y
2227         depends on MIPS_MT_SMP                   2358         depends on MIPS_MT_SMP
2228                                                  2359 
2229 config MIPSR2_TO_R6_EMULATOR                     2360 config MIPSR2_TO_R6_EMULATOR
2230         bool "MIPS R2-to-R6 emulator"            2361         bool "MIPS R2-to-R6 emulator"
2231         depends on CPU_MIPSR6                    2362         depends on CPU_MIPSR6
2232         depends on MIPS_FP_SUPPORT               2363         depends on MIPS_FP_SUPPORT
2233         default y                                2364         default y
2234         help                                     2365         help
2235           Choose this option if you want to r    2366           Choose this option if you want to run non-R6 MIPS userland code.
2236           Even if you say 'Y' here, the emula    2367           Even if you say 'Y' here, the emulator will still be disabled by
2237           default. You can enable it using th    2368           default. You can enable it using the 'mipsr2emu' kernel option.
2238           The only reason this is a build-tim    2369           The only reason this is a build-time option is to save ~14K from the
2239           final kernel image.                    2370           final kernel image.
2240                                                  2371 
2241 config SYS_SUPPORTS_VPE_LOADER                   2372 config SYS_SUPPORTS_VPE_LOADER
2242         bool                                     2373         bool
2243         depends on SYS_SUPPORTS_MULTITHREADIN    2374         depends on SYS_SUPPORTS_MULTITHREADING
2244         help                                     2375         help
2245           Indicates that the platform support    2376           Indicates that the platform supports the VPE loader, and provides
2246           physical_memsize.                      2377           physical_memsize.
2247                                                  2378 
2248 config MIPS_VPE_LOADER                           2379 config MIPS_VPE_LOADER
2249         bool "VPE loader support."               2380         bool "VPE loader support."
2250         depends on SYS_SUPPORTS_VPE_LOADER &&    2381         depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251         select CPU_MIPSR2_IRQ_VI                 2382         select CPU_MIPSR2_IRQ_VI
2252         select CPU_MIPSR2_IRQ_EI                 2383         select CPU_MIPSR2_IRQ_EI
2253         select MIPS_MT                           2384         select MIPS_MT
2254         help                                     2385         help
2255           Includes a loader for loading an el    2386           Includes a loader for loading an elf relocatable object
2256           onto another VPE and running it.       2387           onto another VPE and running it.
2257                                                  2388 
                                                   >> 2389 config MIPS_VPE_LOADER_CMP
                                                   >> 2390         bool
                                                   >> 2391         default "y"
                                                   >> 2392         depends on MIPS_VPE_LOADER && MIPS_CMP
                                                   >> 2393 
2258 config MIPS_VPE_LOADER_MT                        2394 config MIPS_VPE_LOADER_MT
2259         bool                                     2395         bool
2260         default "y"                              2396         default "y"
2261         depends on MIPS_VPE_LOADER            !! 2397         depends on MIPS_VPE_LOADER && !MIPS_CMP
2262                                                  2398 
2263 config MIPS_VPE_LOADER_TOM                       2399 config MIPS_VPE_LOADER_TOM
2264         bool "Load VPE program into memory hi    2400         bool "Load VPE program into memory hidden from linux"
2265         depends on MIPS_VPE_LOADER               2401         depends on MIPS_VPE_LOADER
2266         default y                                2402         default y
2267         help                                     2403         help
2268           The loader can use memory that is p    2404           The loader can use memory that is present but has been hidden from
2269           Linux using the kernel command line    2405           Linux using the kernel command line option "mem=xxMB". It's up to
2270           you to ensure the amount you put in    2406           you to ensure the amount you put in the option and the space your
2271           program requires is less or equal t    2407           program requires is less or equal to the amount physically present.
2272                                                  2408 
2273 config MIPS_VPE_APSP_API                         2409 config MIPS_VPE_APSP_API
2274         bool "Enable support for AP/SP API (R    2410         bool "Enable support for AP/SP API (RTLX)"
2275         depends on MIPS_VPE_LOADER               2411         depends on MIPS_VPE_LOADER
2276                                                  2412 
                                                   >> 2413 config MIPS_VPE_APSP_API_CMP
                                                   >> 2414         bool
                                                   >> 2415         default "y"
                                                   >> 2416         depends on MIPS_VPE_APSP_API && MIPS_CMP
                                                   >> 2417 
2277 config MIPS_VPE_APSP_API_MT                      2418 config MIPS_VPE_APSP_API_MT
2278         bool                                     2419         bool
2279         default "y"                              2420         default "y"
2280         depends on MIPS_VPE_APSP_API          !! 2421         depends on MIPS_VPE_APSP_API && !MIPS_CMP
                                                   >> 2422 
                                                   >> 2423 config MIPS_CMP
                                                   >> 2424         bool "MIPS CMP framework support (DEPRECATED)"
                                                   >> 2425         depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
                                                   >> 2426         select SMP
                                                   >> 2427         select SYNC_R4K
                                                   >> 2428         select SYS_SUPPORTS_SMP
                                                   >> 2429         select WEAK_ORDERING
                                                   >> 2430         default n
                                                   >> 2431         help
                                                   >> 2432           Select this if you are using a bootloader which implements the "CMP
                                                   >> 2433           framework" protocol (ie. YAMON) and want your kernel to make use of
                                                   >> 2434           its ability to start secondary CPUs.
                                                   >> 2435 
                                                   >> 2436           Unless you have a specific need, you should use CONFIG_MIPS_CPS
                                                   >> 2437           instead of this.
2281                                                  2438 
2282 config MIPS_CPS                                  2439 config MIPS_CPS
2283         bool "MIPS Coherent Processing System    2440         bool "MIPS Coherent Processing System support"
2284         depends on SYS_SUPPORTS_MIPS_CPS         2441         depends on SYS_SUPPORTS_MIPS_CPS
2285         select MIPS_CM                           2442         select MIPS_CM
2286         select MIPS_CPS_PM if HOTPLUG_CPU        2443         select MIPS_CPS_PM if HOTPLUG_CPU
2287         select SMP                               2444         select SMP
2288         select HOTPLUG_CORE_SYNC_DEAD if HOTP << 
2289         select SYNC_R4K if (CEVT_R4K || CSRC_    2445         select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290         select SYS_SUPPORTS_HOTPLUG_CPU          2446         select SYS_SUPPORTS_HOTPLUG_CPU
2291         select SYS_SUPPORTS_SCHED_SMT if CPU_    2447         select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292         select SYS_SUPPORTS_SMP                  2448         select SYS_SUPPORTS_SMP
2293         select WEAK_ORDERING                     2449         select WEAK_ORDERING
2294         select GENERIC_IRQ_MIGRATION if HOTPL << 
2295         help                                     2450         help
2296           Select this if you wish to run an S    2451           Select this if you wish to run an SMP kernel across multiple cores
2297           within a MIPS Coherent Processing S    2452           within a MIPS Coherent Processing System. When this option is
2298           enabled the kernel will probe for o    2453           enabled the kernel will probe for other cores and boot them with
2299           no external assistance. It is safe     2454           no external assistance. It is safe to enable this when hardware
2300           support is unavailable.                2455           support is unavailable.
2301                                                  2456 
2302 config MIPS_CPS_PM                               2457 config MIPS_CPS_PM
2303         depends on MIPS_CPS                      2458         depends on MIPS_CPS
2304         bool                                     2459         bool
2305                                                  2460 
2306 config MIPS_CM                                   2461 config MIPS_CM
2307         bool                                     2462         bool
2308         select MIPS_CPC                          2463         select MIPS_CPC
2309                                                  2464 
2310 config MIPS_CPC                                  2465 config MIPS_CPC
2311         bool                                     2466         bool
2312                                                  2467 
2313 config SB1_PASS_2_WORKAROUNDS                    2468 config SB1_PASS_2_WORKAROUNDS
2314         bool                                     2469         bool
2315         depends on CPU_SB1 && (CPU_SB1_PASS_2    2470         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316         default y                                2471         default y
2317                                                  2472 
2318 config SB1_PASS_2_1_WORKAROUNDS                  2473 config SB1_PASS_2_1_WORKAROUNDS
2319         bool                                     2474         bool
2320         depends on CPU_SB1 && CPU_SB1_PASS_2     2475         depends on CPU_SB1 && CPU_SB1_PASS_2
2321         default y                                2476         default y
2322                                                  2477 
                                                   >> 2478 
2323 choice                                           2479 choice
2324         prompt "SmartMIPS or microMIPS ASE su    2480         prompt "SmartMIPS or microMIPS ASE support"
2325                                                  2481 
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS       2482 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327         bool "None"                              2483         bool "None"
2328         help                                     2484         help
2329           Select this if you want neither mic    2485           Select this if you want neither microMIPS nor SmartMIPS support
2330                                                  2486 
2331 config CPU_HAS_SMARTMIPS                         2487 config CPU_HAS_SMARTMIPS
2332         depends on SYS_SUPPORTS_SMARTMIPS        2488         depends on SYS_SUPPORTS_SMARTMIPS
2333         bool "SmartMIPS"                         2489         bool "SmartMIPS"
2334         help                                     2490         help
2335           SmartMIPS is a extension of the MIP    2491           SmartMIPS is a extension of the MIPS32 architecture aimed at
2336           increased security at both hardware    2492           increased security at both hardware and software level for
2337           smartcards.  Enabling this option w    2493           smartcards.  Enabling this option will allow proper use of the
2338           SmartMIPS instructions by Linux app    2494           SmartMIPS instructions by Linux applications.  However a kernel with
2339           this option will not work on a MIPS    2495           this option will not work on a MIPS core without SmartMIPS core.  If
2340           you don't know you probably don't h    2496           you don't know you probably don't have SmartMIPS and should say N
2341           here.                                  2497           here.
2342                                                  2498 
2343 config CPU_MICROMIPS                             2499 config CPU_MICROMIPS
2344         depends on 32BIT && SYS_SUPPORTS_MICR    2500         depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345         bool "microMIPS"                         2501         bool "microMIPS"
2346         help                                     2502         help
2347           When this option is enabled the ker    2503           When this option is enabled the kernel will be built using the
2348           microMIPS ISA                          2504           microMIPS ISA
2349                                                  2505 
2350 endchoice                                        2506 endchoice
2351                                                  2507 
2352 config CPU_HAS_MSA                               2508 config CPU_HAS_MSA
2353         bool "Support for the MIPS SIMD Archi    2509         bool "Support for the MIPS SIMD Architecture"
2354         depends on CPU_SUPPORTS_MSA              2510         depends on CPU_SUPPORTS_MSA
2355         depends on MIPS_FP_SUPPORT               2511         depends on MIPS_FP_SUPPORT
2356         depends on 64BIT || MIPS_O32_FP64_SUP    2512         depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357         help                                     2513         help
2358           MIPS SIMD Architecture (MSA) introd    2514           MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359           and a set of SIMD instructions to o    2515           and a set of SIMD instructions to operate on them. When this option
2360           is enabled the kernel will support     2516           is enabled the kernel will support allocating & switching MSA
2361           vector register contexts. If you kn    2517           vector register contexts. If you know that your kernel will only be
2362           running on CPUs which do not suppor    2518           running on CPUs which do not support MSA or that your userland will
2363           not be making use of it then you ma    2519           not be making use of it then you may wish to say N here to reduce
2364           the size & complexity of your kerne    2520           the size & complexity of your kernel.
2365                                                  2521 
2366           If unsure, say Y.                      2522           If unsure, say Y.
2367                                                  2523 
2368 config CPU_HAS_WB                                2524 config CPU_HAS_WB
2369         bool                                     2525         bool
2370                                                  2526 
2371 config XKS01                                     2527 config XKS01
2372         bool                                     2528         bool
2373                                                  2529 
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                              2530 config CPU_HAS_RIXI
2382         bool                                     2531         bool
2383                                                  2532 
2384 config CPU_NO_LOAD_STORE_LR                   !! 2533 config CPU_HAS_LOAD_STORE_LR
2385         bool                                     2534         bool
2386         help                                     2535         help
2387           CPU lacks support for unaligned loa !! 2536           CPU has support for unaligned load and store instructions:
2388           LWL, LWR, SWL, SWR (Load/store word    2537           LWL, LWR, SWL, SWR (Load/store word left/right).
2389           LDL, LDR, SDL, SDR (Load/store doub !! 2538           LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems).
2390           systems).                           << 
2391                                                  2539 
2392 #                                                2540 #
2393 # Vectored interrupt mode is an R2 feature       2541 # Vectored interrupt mode is an R2 feature
2394 #                                                2542 #
2395 config CPU_MIPSR2_IRQ_VI                         2543 config CPU_MIPSR2_IRQ_VI
2396         bool                                     2544         bool
2397                                                  2545 
2398 #                                                2546 #
2399 # Extended interrupt mode is an R2 feature       2547 # Extended interrupt mode is an R2 feature
2400 #                                                2548 #
2401 config CPU_MIPSR2_IRQ_EI                         2549 config CPU_MIPSR2_IRQ_EI
2402         bool                                     2550         bool
2403                                                  2551 
2404 config CPU_HAS_SYNC                              2552 config CPU_HAS_SYNC
2405         bool                                     2553         bool
2406         depends on !CPU_R3000                    2554         depends on !CPU_R3000
2407         default y                                2555         default y
2408                                                  2556 
2409 #                                                2557 #
2410 # CPU non-features                               2558 # CPU non-features
2411 #                                                2559 #
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                     2560 config CPU_DADDI_WORKAROUNDS
2427         bool                                     2561         bool
2428                                                  2562 
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                     2563 config CPU_R4000_WORKAROUNDS
2448         bool                                     2564         bool
2449         select CPU_R4400_WORKAROUNDS             2565         select CPU_R4400_WORKAROUNDS
2450                                                  2566 
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                     2567 config CPU_R4400_WORKAROUNDS
2458         bool                                     2568         bool
2459                                                  2569 
2460 config CPU_R4X00_BUGS64                       << 
2461         bool                                  << 
2462         default y if SYS_HAS_CPU_R4X00 && 64B << 
2463                                               << 
2464 config MIPS_ASID_SHIFT                           2570 config MIPS_ASID_SHIFT
2465         int                                      2571         int
2466         default 6 if CPU_R3000                !! 2572         default 6 if CPU_R3000 || CPU_TX39XX
                                                   >> 2573         default 4 if CPU_R8000
2467         default 0                                2574         default 0
2468                                                  2575 
2469 config MIPS_ASID_BITS                            2576 config MIPS_ASID_BITS
2470         int                                      2577         int
2471         default 0 if MIPS_ASID_BITS_VARIABLE     2578         default 0 if MIPS_ASID_BITS_VARIABLE
2472         default 6 if CPU_R3000                !! 2579         default 6 if CPU_R3000 || CPU_TX39XX
2473         default 8                                2580         default 8
2474                                                  2581 
2475 config MIPS_ASID_BITS_VARIABLE                   2582 config MIPS_ASID_BITS_VARIABLE
2476         bool                                     2583         bool
2477                                                  2584 
2478 config MIPS_CRC_SUPPORT                          2585 config MIPS_CRC_SUPPORT
2479         bool                                     2586         bool
2480                                                  2587 
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 #                                                2588 #
2552 # - Highmem only makes sense for the 32-bit k    2589 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p    2590 # - The current highmem code will only work properly on physically indexed
2554 #   caches such as R3000, SB1, R7000 or those    2591 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 #   indexed such as R4000/R4400 SC and MC ver    2592 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2556 #   moment we protect the user and offer the     2593 #   moment we protect the user and offer the highmem option only on machines
2557 #   where it's known to be safe.  This will n    2594 #   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     2595 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 #   indexed CPUs but we're playing safe.         2596 #   indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high    2597 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 #   know they might have memory configuration    2598 #   know they might have memory configurations that could make use of highmem
2562 #   support.                                     2599 #   support.
2563 #                                                2600 #
2564 config HIGHMEM                                   2601 config HIGHMEM
2565         bool "High Memory Support"               2602         bool "High Memory Support"
2566         depends on 32BIT && CPU_SUPPORTS_HIGH    2603         depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567         select KMAP_LOCAL                     << 
2568                                                  2604 
2569 config CPU_SUPPORTS_HIGHMEM                      2605 config CPU_SUPPORTS_HIGHMEM
2570         bool                                     2606         bool
2571                                                  2607 
2572 config SYS_SUPPORTS_HIGHMEM                      2608 config SYS_SUPPORTS_HIGHMEM
2573         bool                                     2609         bool
2574                                                  2610 
2575 config SYS_SUPPORTS_SMARTMIPS                    2611 config SYS_SUPPORTS_SMARTMIPS
2576         bool                                     2612         bool
2577                                                  2613 
2578 config SYS_SUPPORTS_MICROMIPS                    2614 config SYS_SUPPORTS_MICROMIPS
2579         bool                                     2615         bool
2580                                                  2616 
2581 config SYS_SUPPORTS_MIPS16                       2617 config SYS_SUPPORTS_MIPS16
2582         bool                                     2618         bool
2583         help                                     2619         help
2584           This option must be set if a kernel    2620           This option must be set if a kernel might be executed on a MIPS16-
2585           enabled CPU even if MIPS16 is not a    2621           enabled CPU even if MIPS16 is not actually being used.  In other
2586           words, it makes the kernel MIPS16-t    2622           words, it makes the kernel MIPS16-tolerant.
2587                                                  2623 
2588 config CPU_SUPPORTS_MSA                          2624 config CPU_SUPPORTS_MSA
2589         bool                                     2625         bool
2590                                                  2626 
2591 config ARCH_FLATMEM_ENABLE                       2627 config ARCH_FLATMEM_ENABLE
2592         def_bool y                               2628         def_bool y
2593         depends on !NUMA && !CPU_LOONGSON2EF  !! 2629         depends on !NUMA && !CPU_LOONGSON2
                                                   >> 2630 
                                                   >> 2631 config ARCH_DISCONTIGMEM_ENABLE
                                                   >> 2632         bool
                                                   >> 2633         default y if SGI_IP27
                                                   >> 2634         help
                                                   >> 2635           Say Y to support efficient handling of discontiguous physical memory,
                                                   >> 2636           for architectures which are either NUMA (Non-Uniform Memory Access)
                                                   >> 2637           or have huge holes in the physical address space for other reasons.
                                                   >> 2638           See <file:Documentation/vm/numa.rst> for more.
2594                                                  2639 
2595 config ARCH_SPARSEMEM_ENABLE                     2640 config ARCH_SPARSEMEM_ENABLE
2596         bool                                     2641         bool
                                                   >> 2642         select SPARSEMEM_STATIC
2597                                                  2643 
2598 config NUMA                                      2644 config NUMA
2599         bool "NUMA Support"                      2645         bool "NUMA Support"
2600         depends on SYS_SUPPORTS_NUMA             2646         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                                     2647         help
2605           Say Y to compile the kernel to supp    2648           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606           Access).  This option improves perf    2649           Access).  This option improves performance on systems with more
2607           than two nodes; on two node systems    2650           than two nodes; on two node systems it is generally better to
2608           leave it disabled; on single node s !! 2651           leave it disabled; on single node systems disable this option
2609           disabled.                              2652           disabled.
2610                                                  2653 
2611 config SYS_SUPPORTS_NUMA                         2654 config SYS_SUPPORTS_NUMA
2612         bool                                     2655         bool
2613                                                  2656 
2614 config RELOCATABLE                               2657 config RELOCATABLE
2615         bool "Relocatable kernel"                2658         bool "Relocatable kernel"
2616         depends on SYS_SUPPORTS_RELOCATABLE   !! 2659         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                                     2660         help
2623           This builds a kernel image that ret    2661           This builds a kernel image that retains relocation information
2624           so it can be loaded someplace besid    2662           so it can be loaded someplace besides the default 1MB.
2625           The relocations make the kernel bin    2663           The relocations make the kernel binary about 15% larger,
2626           but are discarded at runtime           2664           but are discarded at runtime
2627                                                  2665 
2628 config RELOCATION_TABLE_SIZE                     2666 config RELOCATION_TABLE_SIZE
2629         hex "Relocation table size"              2667         hex "Relocation table size"
2630         depends on RELOCATABLE                   2668         depends on RELOCATABLE
2631         range 0x0 0x01000000                     2669         range 0x0 0x01000000
2632         default "0x00200000" if CPU_LOONGSON6 << 
2633         default "0x00100000"                     2670         default "0x00100000"
2634         help                                  !! 2671         ---help---
2635           A table of relocation data will be     2672           A table of relocation data will be appended to the kernel binary
2636           and parsed at boot to fix up the re    2673           and parsed at boot to fix up the relocated kernel.
2637                                                  2674 
2638           This option allows the amount of sp    2675           This option allows the amount of space reserved for the table to be
2639           adjusted, although the default of 1    2676           adjusted, although the default of 1Mb should be ok in most cases.
2640                                                  2677 
2641           The build will fail and a valid siz    2678           The build will fail and a valid size suggested if this is too small.
2642                                                  2679 
2643           If unsure, leave at the default val    2680           If unsure, leave at the default value.
2644                                                  2681 
2645 config RANDOMIZE_BASE                            2682 config RANDOMIZE_BASE
2646         bool "Randomize the address of the ke    2683         bool "Randomize the address of the kernel image"
2647         depends on RELOCATABLE                   2684         depends on RELOCATABLE
2648         help                                  !! 2685         ---help---
2649           Randomizes the physical and virtual !! 2686            Randomizes the physical and virtual address at which the
2650           kernel image is loaded, as a securi !! 2687            kernel image is loaded, as a security feature that
2651           deters exploit attempts relying on  !! 2688            deters exploit attempts relying on knowledge of the location
2652           of kernel internals.                !! 2689            of kernel internals.
2653                                                  2690 
2654           Entropy is generated using any copr !! 2691            Entropy is generated using any coprocessor 0 registers available.
2655                                                  2692 
2656           The kernel will be offset by up to  !! 2693            The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657                                                  2694 
2658           If unsure, say N.                   !! 2695            If unsure, say N.
2659                                                  2696 
2660 config RANDOMIZE_BASE_MAX_OFFSET                 2697 config RANDOMIZE_BASE_MAX_OFFSET
2661         hex "Maximum kASLR offset" if EXPERT     2698         hex "Maximum kASLR offset" if EXPERT
2662         depends on RANDOMIZE_BASE                2699         depends on RANDOMIZE_BASE
2663         range 0x0 0x40000000 if EVA || 64BIT     2700         range 0x0 0x40000000 if EVA || 64BIT
2664         range 0x0 0x08000000                     2701         range 0x0 0x08000000
2665         default "0x01000000"                     2702         default "0x01000000"
2666         help                                  !! 2703         ---help---
2667           When kASLR is active, this provides    2704           When kASLR is active, this provides the maximum offset that will
2668           be applied to the kernel image. It     2705           be applied to the kernel image. It should be set according to the
2669           amount of physical RAM available in    2706           amount of physical RAM available in the target system minus
2670           PHYSICAL_START and must be a power     2707           PHYSICAL_START and must be a power of 2.
2671                                                  2708 
2672           This is limited by the size of KSEG    2709           This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673           EVA or 64-bit. The default is 16Mb.    2710           EVA or 64-bit. The default is 16Mb.
2674                                                  2711 
2675 config NODES_SHIFT                               2712 config NODES_SHIFT
2676         int                                      2713         int
2677         default "6"                              2714         default "6"
2678         depends on NUMA                       !! 2715         depends on NEED_MULTIPLE_NODES
2679                                                  2716 
2680 config HW_PERF_EVENTS                            2717 config HW_PERF_EVENTS
2681         bool "Enable hardware performance cou    2718         bool "Enable hardware performance counter support for perf events"
2682         depends on PERF_EVENTS && (CPU_MIPS32 !! 2719         depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
2683         default y                                2720         default y
2684         help                                     2721         help
2685           Enable hardware performance counter    2722           Enable hardware performance counter support for perf events. If
2686           disabled, perf events will use soft    2723           disabled, perf events will use software events only.
2687                                                  2724 
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                                       2725 config SMP
2700         bool "Multi-Processing support"          2726         bool "Multi-Processing support"
2701         depends on SYS_SUPPORTS_SMP              2727         depends on SYS_SUPPORTS_SMP
2702         help                                     2728         help
2703           This enables support for systems wi    2729           This enables support for systems with more than one CPU. If you have
2704           a system with only one CPU, say N.     2730           a system with only one CPU, say N. If you have a system with more
2705           than one CPU, say Y.                   2731           than one CPU, say Y.
2706                                                  2732 
2707           If you say N here, the kernel will     2733           If you say N here, the kernel will run on uni- and multiprocessor
2708           machines, but will use only one CPU    2734           machines, but will use only one CPU of a multiprocessor machine. If
2709           you say Y here, the kernel will run    2735           you say Y here, the kernel will run on many, but not all,
2710           uniprocessor machines. On a uniproc    2736           uniprocessor machines. On a uniprocessor machine, the kernel
2711           will run faster if you say N here.     2737           will run faster if you say N here.
2712                                                  2738 
2713           People using multiprocessor machine    2739           People using multiprocessor machines who say Y here should also say
2714           Y to "Enhanced Real Time Clock Supp    2740           Y to "Enhanced Real Time Clock Support", below.
2715                                                  2741 
2716           See also the SMP-HOWTO available at    2742           See also the SMP-HOWTO available at
2717           <https://www.tldp.org/docs.html#how !! 2743           <http://www.tldp.org/docs.html#howto>.
2718                                                  2744 
2719           If you don't know what to do here,     2745           If you don't know what to do here, say N.
2720                                                  2746 
2721 config HOTPLUG_CPU                               2747 config HOTPLUG_CPU
2722         bool "Support for hot-pluggable CPUs"    2748         bool "Support for hot-pluggable CPUs"
2723         depends on SMP && SYS_SUPPORTS_HOTPLU    2749         depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724         help                                     2750         help
2725           Say Y here to allow turning CPUs of    2751           Say Y here to allow turning CPUs off and on. CPUs can be
2726           controlled through /sys/devices/sys    2752           controlled through /sys/devices/system/cpu.
2727           (Note: power management support wil    2753           (Note: power management support will enable this option
2728             automatically on SMP systems. )      2754             automatically on SMP systems. )
2729           Say N if you want to disable CPU ho    2755           Say N if you want to disable CPU hotplug.
2730                                                  2756 
2731 config SMP_UP                                    2757 config SMP_UP
2732         bool                                     2758         bool
2733                                                  2759 
                                                   >> 2760 config SYS_SUPPORTS_MIPS_CMP
                                                   >> 2761         bool
                                                   >> 2762 
2734 config SYS_SUPPORTS_MIPS_CPS                     2763 config SYS_SUPPORTS_MIPS_CPS
2735         bool                                     2764         bool
2736                                                  2765 
2737 config SYS_SUPPORTS_SMP                          2766 config SYS_SUPPORTS_SMP
2738         bool                                     2767         bool
2739                                                  2768 
2740 config NR_CPUS_DEFAULT_4                         2769 config NR_CPUS_DEFAULT_4
2741         bool                                     2770         bool
2742                                                  2771 
2743 config NR_CPUS_DEFAULT_8                         2772 config NR_CPUS_DEFAULT_8
2744         bool                                     2773         bool
2745                                                  2774 
2746 config NR_CPUS_DEFAULT_16                        2775 config NR_CPUS_DEFAULT_16
2747         bool                                     2776         bool
2748                                                  2777 
2749 config NR_CPUS_DEFAULT_32                        2778 config NR_CPUS_DEFAULT_32
2750         bool                                     2779         bool
2751                                                  2780 
2752 config NR_CPUS_DEFAULT_64                        2781 config NR_CPUS_DEFAULT_64
2753         bool                                     2782         bool
2754                                                  2783 
2755 config NR_CPUS                                   2784 config NR_CPUS
2756         int "Maximum number of CPUs (2-256)"     2785         int "Maximum number of CPUs (2-256)"
2757         range 2 256                              2786         range 2 256
2758         depends on SMP                           2787         depends on SMP
2759         default "4" if NR_CPUS_DEFAULT_4         2788         default "4" if NR_CPUS_DEFAULT_4
2760         default "8" if NR_CPUS_DEFAULT_8         2789         default "8" if NR_CPUS_DEFAULT_8
2761         default "16" if NR_CPUS_DEFAULT_16       2790         default "16" if NR_CPUS_DEFAULT_16
2762         default "32" if NR_CPUS_DEFAULT_32       2791         default "32" if NR_CPUS_DEFAULT_32
2763         default "64" if NR_CPUS_DEFAULT_64       2792         default "64" if NR_CPUS_DEFAULT_64
2764         help                                     2793         help
2765           This allows you to specify the maxi    2794           This allows you to specify the maximum number of CPUs which this
2766           kernel will support.  The maximum s    2795           kernel will support.  The maximum supported value is 32 for 32-bit
2767           kernel and 64 for 64-bit kernels; t    2796           kernel and 64 for 64-bit kernels; the minimum value which makes
2768           sense is 1 for Qemu (useful only fo    2797           sense is 1 for Qemu (useful only for kernel debugging purposes)
2769           and 2 for all others.                  2798           and 2 for all others.
2770                                                  2799 
2771           This is purely to save memory - eac    2800           This is purely to save memory - each supported CPU adds
2772           approximately eight kilobytes to th    2801           approximately eight kilobytes to the kernel image.  For best
2773           performance should round up your nu    2802           performance should round up your number of processors to the next
2774           power of two.                          2803           power of two.
2775                                                  2804 
2776 config MIPS_PERF_SHARED_TC_COUNTERS              2805 config MIPS_PERF_SHARED_TC_COUNTERS
2777         bool                                     2806         bool
2778                                                  2807 
2779 config MIPS_NR_CPU_NR_MAP_1024                   2808 config MIPS_NR_CPU_NR_MAP_1024
2780         bool                                     2809         bool
2781                                                  2810 
2782 config MIPS_NR_CPU_NR_MAP                        2811 config MIPS_NR_CPU_NR_MAP
2783         int                                      2812         int
2784         depends on SMP                           2813         depends on SMP
2785         default 1024 if MIPS_NR_CPU_NR_MAP_10    2814         default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786         default NR_CPUS if !MIPS_NR_CPU_NR_MA    2815         default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787                                                  2816 
2788 #                                                2817 #
2789 # Timer Interrupt Frequency Configuration        2818 # Timer Interrupt Frequency Configuration
2790 #                                                2819 #
2791                                                  2820 
2792 choice                                           2821 choice
2793         prompt "Timer frequency"                 2822         prompt "Timer frequency"
2794         default HZ_250                           2823         default HZ_250
2795         help                                     2824         help
2796           Allows the configuration of the tim !! 2825          Allows the configuration of the timer frequency.
2797                                                  2826 
2798         config HZ_24                             2827         config HZ_24
2799                 bool "24 HZ" if SYS_SUPPORTS_    2828                 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800                                                  2829 
2801         config HZ_48                             2830         config HZ_48
2802                 bool "48 HZ" if SYS_SUPPORTS_    2831                 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803                                                  2832 
2804         config HZ_100                            2833         config HZ_100
2805                 bool "100 HZ" if SYS_SUPPORTS    2834                 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806                                                  2835 
2807         config HZ_128                            2836         config HZ_128
2808                 bool "128 HZ" if SYS_SUPPORTS    2837                 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809                                                  2838 
2810         config HZ_250                            2839         config HZ_250
2811                 bool "250 HZ" if SYS_SUPPORTS    2840                 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812                                                  2841 
2813         config HZ_256                            2842         config HZ_256
2814                 bool "256 HZ" if SYS_SUPPORTS    2843                 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815                                                  2844 
2816         config HZ_1000                           2845         config HZ_1000
2817                 bool "1000 HZ" if SYS_SUPPORT    2846                 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818                                                  2847 
2819         config HZ_1024                           2848         config HZ_1024
2820                 bool "1024 HZ" if SYS_SUPPORT    2849                 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821                                                  2850 
2822 endchoice                                        2851 endchoice
2823                                                  2852 
2824 config SYS_SUPPORTS_24HZ                         2853 config SYS_SUPPORTS_24HZ
2825         bool                                     2854         bool
2826                                                  2855 
2827 config SYS_SUPPORTS_48HZ                         2856 config SYS_SUPPORTS_48HZ
2828         bool                                     2857         bool
2829                                                  2858 
2830 config SYS_SUPPORTS_100HZ                        2859 config SYS_SUPPORTS_100HZ
2831         bool                                     2860         bool
2832                                                  2861 
2833 config SYS_SUPPORTS_128HZ                        2862 config SYS_SUPPORTS_128HZ
2834         bool                                     2863         bool
2835                                                  2864 
2836 config SYS_SUPPORTS_250HZ                        2865 config SYS_SUPPORTS_250HZ
2837         bool                                     2866         bool
2838                                                  2867 
2839 config SYS_SUPPORTS_256HZ                        2868 config SYS_SUPPORTS_256HZ
2840         bool                                     2869         bool
2841                                                  2870 
2842 config SYS_SUPPORTS_1000HZ                       2871 config SYS_SUPPORTS_1000HZ
2843         bool                                     2872         bool
2844                                                  2873 
2845 config SYS_SUPPORTS_1024HZ                       2874 config SYS_SUPPORTS_1024HZ
2846         bool                                     2875         bool
2847                                                  2876 
2848 config SYS_SUPPORTS_ARBIT_HZ                     2877 config SYS_SUPPORTS_ARBIT_HZ
2849         bool                                     2878         bool
2850         default y if !SYS_SUPPORTS_24HZ && \     2879         default y if !SYS_SUPPORTS_24HZ && \
2851                      !SYS_SUPPORTS_48HZ && \     2880                      !SYS_SUPPORTS_48HZ && \
2852                      !SYS_SUPPORTS_100HZ && \    2881                      !SYS_SUPPORTS_100HZ && \
2853                      !SYS_SUPPORTS_128HZ && \    2882                      !SYS_SUPPORTS_128HZ && \
2854                      !SYS_SUPPORTS_250HZ && \    2883                      !SYS_SUPPORTS_250HZ && \
2855                      !SYS_SUPPORTS_256HZ && \    2884                      !SYS_SUPPORTS_256HZ && \
2856                      !SYS_SUPPORTS_1000HZ &&     2885                      !SYS_SUPPORTS_1000HZ && \
2857                      !SYS_SUPPORTS_1024HZ        2886                      !SYS_SUPPORTS_1024HZ
2858                                                  2887 
2859 config HZ                                        2888 config HZ
2860         int                                      2889         int
2861         default 24 if HZ_24                      2890         default 24 if HZ_24
2862         default 48 if HZ_48                      2891         default 48 if HZ_48
2863         default 100 if HZ_100                    2892         default 100 if HZ_100
2864         default 128 if HZ_128                    2893         default 128 if HZ_128
2865         default 250 if HZ_250                    2894         default 250 if HZ_250
2866         default 256 if HZ_256                    2895         default 256 if HZ_256
2867         default 1000 if HZ_1000                  2896         default 1000 if HZ_1000
2868         default 1024 if HZ_1024                  2897         default 1024 if HZ_1024
2869                                                  2898 
2870 config SCHED_HRTICK                              2899 config SCHED_HRTICK
2871         def_bool HIGH_RES_TIMERS                 2900         def_bool HIGH_RES_TIMERS
2872                                                  2901 
2873 config ARCH_SUPPORTS_KEXEC                    !! 2902 config KEXEC
2874         def_bool y                            !! 2903         bool "Kexec system call"
2875                                               !! 2904         select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP               !! 2905         help
2877         def_bool y                            !! 2906           kexec is a system call that implements the ability to shutdown your
                                                   >> 2907           current kernel, and to start another kernel.  It is like a reboot
                                                   >> 2908           but it is independent of the system firmware.   And like a reboot
                                                   >> 2909           you can start any kernel with it, not just Linux.
                                                   >> 2910 
                                                   >> 2911           The name comes from the similarity to the exec system call.
                                                   >> 2912 
                                                   >> 2913           It is an ongoing process to be certain the hardware in a machine
                                                   >> 2914           is properly shutdown, so do not be surprised if this code does not
                                                   >> 2915           initially work for you.  As of this writing the exact hardware
                                                   >> 2916           interface is strongly in flux, so no good recommendation can be
                                                   >> 2917           made.
                                                   >> 2918 
                                                   >> 2919 config CRASH_DUMP
                                                   >> 2920         bool "Kernel crash dumps"
                                                   >> 2921         help
                                                   >> 2922           Generate crash dump after being started by kexec.
                                                   >> 2923           This should be normally only set in special crash dump kernels
                                                   >> 2924           which are loaded in the main kernel with kexec-tools into
                                                   >> 2925           a specially reserved region and then later executed after
                                                   >> 2926           a crash by kdump/kexec. The crash dump kernel must be compiled
                                                   >> 2927           to a memory address not used by the main kernel or firmware using
                                                   >> 2928           PHYSICAL_START.
2878                                                  2929 
2879 config PHYSICAL_START                            2930 config PHYSICAL_START
2880         hex "Physical address where the kerne    2931         hex "Physical address where the kernel is loaded"
2881         default "0xffffffff84000000"             2932         default "0xffffffff84000000"
2882         depends on CRASH_DUMP                    2933         depends on CRASH_DUMP
2883         help                                     2934         help
2884           This gives the CKSEG0 or KSEG0 addr    2935           This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885           If you plan to use kernel for captu    2936           If you plan to use kernel for capturing the crash dump change
2886           this value to start of the reserved    2937           this value to start of the reserved region (the "X" value as
2887           specified in the "crashkernel=YM@XM    2938           specified in the "crashkernel=YM@XM" command line boot parameter
2888           passed to the panic-ed kernel).        2939           passed to the panic-ed kernel).
2889                                                  2940 
                                                   >> 2941 config SECCOMP
                                                   >> 2942         bool "Enable seccomp to safely compute untrusted bytecode"
                                                   >> 2943         depends on PROC_FS
                                                   >> 2944         default y
                                                   >> 2945         help
                                                   >> 2946           This kernel feature is useful for number crunching applications
                                                   >> 2947           that may need to compute untrusted bytecode during their
                                                   >> 2948           execution. By using pipes or other transports made available to
                                                   >> 2949           the process as file descriptors supporting the read/write
                                                   >> 2950           syscalls, it's possible to isolate those applications in
                                                   >> 2951           their own address space using seccomp. Once seccomp is
                                                   >> 2952           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 2953           and the task is only allowed to execute a few safe syscalls
                                                   >> 2954           defined by each seccomp mode.
                                                   >> 2955 
                                                   >> 2956           If unsure, say Y. Only embedded should say N here.
                                                   >> 2957 
2890 config MIPS_O32_FP64_SUPPORT                     2958 config MIPS_O32_FP64_SUPPORT
2891         bool "Support for O32 binaries using     2959         bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892         depends on 32BIT || MIPS32_O32           2960         depends on 32BIT || MIPS32_O32
2893         help                                     2961         help
2894           When this is enabled, the kernel wi    2962           When this is enabled, the kernel will support use of 64-bit floating
2895           point registers with binaries using    2963           point registers with binaries using the O32 ABI along with the
2896           EF_MIPS_FP64 ELF header flag (typic    2964           EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897           32-bit MIPS systems this support is    2965           32-bit MIPS systems this support is at the cost of increasing the
2898           size and complexity of the compiled    2966           size and complexity of the compiled FPU emulator. Thus if you are
2899           running a MIPS32 system and know th    2967           running a MIPS32 system and know that none of your userland binaries
2900           will require 64-bit floating point,    2968           will require 64-bit floating point, you may wish to reduce the size
2901           of your kernel & potentially improv    2969           of your kernel & potentially improve FP emulation performance by
2902           saying N here.                         2970           saying N here.
2903                                                  2971 
2904           Although binutils currently support    2972           Although binutils currently supports use of this flag the details
2905           concerning its effect upon the O32     2973           concerning its effect upon the O32 ABI in userland are still being
2906           worked on. In order to avoid userla !! 2974           worked on. In order to avoid userland becoming dependant upon current
2907           behaviour before the details have b    2975           behaviour before the details have been finalised, this option should
2908           be considered experimental and only    2976           be considered experimental and only enabled by those working upon
2909           said details.                          2977           said details.
2910                                                  2978 
2911           If unsure, say N.                      2979           If unsure, say N.
2912                                                  2980 
2913 config USE_OF                                    2981 config USE_OF
2914         bool                                     2982         bool
2915         select OF                                2983         select OF
2916         select OF_EARLY_FLATTREE                 2984         select OF_EARLY_FLATTREE
2917         select IRQ_DOMAIN                        2985         select IRQ_DOMAIN
2918                                                  2986 
2919 config UHI_BOOT                                  2987 config UHI_BOOT
2920         bool                                     2988         bool
2921                                                  2989 
2922 config BUILTIN_DTB                               2990 config BUILTIN_DTB
2923         bool                                     2991         bool
2924                                                  2992 
2925 choice                                           2993 choice
2926         prompt "Kernel appended dtb support"  !! 2994         prompt "Kernel appended dtb support" if USE_OF
2927         depends on USE_OF                     << 
2928         default MIPS_NO_APPENDED_DTB             2995         default MIPS_NO_APPENDED_DTB
2929                                                  2996 
2930         config MIPS_NO_APPENDED_DTB              2997         config MIPS_NO_APPENDED_DTB
2931                 bool "None"                      2998                 bool "None"
2932                 help                             2999                 help
2933                   Do not enable appended dtb     3000                   Do not enable appended dtb support.
2934                                                  3001 
2935         config MIPS_ELF_APPENDED_DTB             3002         config MIPS_ELF_APPENDED_DTB
2936                 bool "vmlinux"                   3003                 bool "vmlinux"
2937                 help                             3004                 help
2938                   With this option, the boot     3005                   With this option, the boot code will look for a device tree binary
2939                   DTB) included in the vmlinu    3006                   DTB) included in the vmlinux ELF section .appended_dtb. By default
2940                   it is empty and the DTB can    3007                   it is empty and the DTB can be appended using binutils command
2941                   objcopy:                       3008                   objcopy:
2942                                                  3009 
2943                     objcopy --update-section     3010                     objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944                                                  3011 
2945                   This is meant as a backward !! 3012                   This is meant as a backward compatiblity convenience for those
2946                   systems with a bootloader t    3013                   systems with a bootloader that can't be upgraded to accommodate
2947                   the documented boot protoco    3014                   the documented boot protocol using a device tree.
2948                                                  3015 
2949         config MIPS_RAW_APPENDED_DTB             3016         config MIPS_RAW_APPENDED_DTB
2950                 bool "vmlinux.bin or vmlinuz.    3017                 bool "vmlinux.bin or vmlinuz.bin"
2951                 help                             3018                 help
2952                   With this option, the boot     3019                   With this option, the boot code will look for a device tree binary
2953                   DTB) appended to raw vmlinu    3020                   DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954                   (e.g. cat vmlinux.bin <file    3021                   (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955                                                  3022 
2956                   This is meant as a backward    3023                   This is meant as a backward compatibility convenience for those
2957                   systems with a bootloader t    3024                   systems with a bootloader that can't be upgraded to accommodate
2958                   the documented boot protoco    3025                   the documented boot protocol using a device tree.
2959                                                  3026 
2960                   Beware that there is very l    3027                   Beware that there is very little in terms of protection against
2961                   this option being confused     3028                   this option being confused by leftover garbage in memory that might
2962                   look like a DTB header afte    3029                   look like a DTB header after a reboot if no actual DTB is appended
2963                   to vmlinux.bin.  Do not lea    3030                   to vmlinux.bin.  Do not leave this option active in a production kernel
2964                   if you don't intend to alwa    3031                   if you don't intend to always append a DTB.
2965 endchoice                                        3032 endchoice
2966                                                  3033 
2967 choice                                           3034 choice
2968         prompt "Kernel command line type"     !! 3035         prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969         depends on !CMDLINE_OVERRIDE          << 
2970         default MIPS_CMDLINE_FROM_DTB if USE_    3036         default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971                                          !MAC !! 3037                                          !MIPS_MALTA && \
2972                                          !CAV    3038                                          !CAVIUM_OCTEON_SOC
2973         default MIPS_CMDLINE_FROM_BOOTLOADER     3039         default MIPS_CMDLINE_FROM_BOOTLOADER
2974                                                  3040 
2975         config MIPS_CMDLINE_FROM_DTB             3041         config MIPS_CMDLINE_FROM_DTB
2976                 depends on USE_OF                3042                 depends on USE_OF
2977                 bool "Dtb kernel arguments if    3043                 bool "Dtb kernel arguments if available"
2978                                                  3044 
2979         config MIPS_CMDLINE_DTB_EXTEND           3045         config MIPS_CMDLINE_DTB_EXTEND
2980                 depends on USE_OF                3046                 depends on USE_OF
2981                 bool "Extend dtb kernel argum    3047                 bool "Extend dtb kernel arguments with bootloader arguments"
2982                                                  3048 
2983         config MIPS_CMDLINE_FROM_BOOTLOADER      3049         config MIPS_CMDLINE_FROM_BOOTLOADER
2984                 bool "Bootloader kernel argum    3050                 bool "Bootloader kernel arguments if available"
2985                                                  3051 
2986         config MIPS_CMDLINE_BUILTIN_EXTEND       3052         config MIPS_CMDLINE_BUILTIN_EXTEND
2987                 depends on CMDLINE_BOOL          3053                 depends on CMDLINE_BOOL
2988                 bool "Extend builtin kernel a    3054                 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice                                        3055 endchoice
2990                                                  3056 
2991 endmenu                                          3057 endmenu
2992                                                  3058 
2993 config LOCKDEP_SUPPORT                           3059 config LOCKDEP_SUPPORT
2994         bool                                     3060         bool
2995         default y                                3061         default y
2996                                                  3062 
2997 config STACKTRACE_SUPPORT                        3063 config STACKTRACE_SUPPORT
2998         bool                                     3064         bool
2999         default y                                3065         default y
3000                                                  3066 
                                                   >> 3067 config HAVE_LATENCYTOP_SUPPORT
                                                   >> 3068         bool
                                                   >> 3069         default y
                                                   >> 3070 
3001 config PGTABLE_LEVELS                            3071 config PGTABLE_LEVELS
3002         int                                      3072         int
3003         default 4 if PAGE_SIZE_4KB && MIPS_VA    3073         default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004         default 3 if 64BIT && (!PAGE_SIZE_64K !! 3074         default 3 if 64BIT && !PAGE_SIZE_64KB
3005         default 2                                3075         default 2
3006                                                  3076 
3007 config MIPS_AUTO_PFN_OFFSET                      3077 config MIPS_AUTO_PFN_OFFSET
3008         bool                                     3078         bool
3009                                                  3079 
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC    3080 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011                                                  3081 
3012 config PCI_DRIVERS_GENERIC                       3082 config PCI_DRIVERS_GENERIC
3013         select PCI_DOMAINS_GENERIC if PCI        3083         select PCI_DOMAINS_GENERIC if PCI
3014         bool                                     3084         bool
3015                                                  3085 
3016 config PCI_DRIVERS_LEGACY                        3086 config PCI_DRIVERS_LEGACY
3017         def_bool !PCI_DRIVERS_GENERIC            3087         def_bool !PCI_DRIVERS_GENERIC
3018         select NO_GENERIC_PCI_IOPORT_MAP         3088         select NO_GENERIC_PCI_IOPORT_MAP
3019         select PCI_DOMAINS if PCI                3089         select PCI_DOMAINS if PCI
3020                                                  3090 
3021 #                                                3091 #
3022 # ISA support is now enabled via select.  Too    3092 # 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    3093 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ...            3094 # users to choose the right thing ...
3025 #                                                3095 #
3026 config ISA                                       3096 config ISA
3027         bool                                     3097         bool
3028                                                  3098 
3029 config TC                                        3099 config TC
3030         bool "TURBOchannel support"              3100         bool "TURBOchannel support"
3031         depends on MACH_DECSTATION               3101         depends on MACH_DECSTATION
3032         help                                     3102         help
3033           TURBOchannel is a DEC (now Compaq (    3103           TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034           processors.  TURBOchannel programmi    3104           processors.  TURBOchannel programming specifications are available
3035           at:                                    3105           at:
3036           <ftp://ftp.hp.com/pub/alphaserver/a    3106           <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037           and:                                   3107           and:
3038           <http://www.computer-refuge.org/cla    3108           <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039           Linux driver support status is docu    3109           Linux driver support status is documented at:
3040           <http://www.linux-mips.org/wiki/DEC    3110           <http://www.linux-mips.org/wiki/DECstation>
3041                                                  3111 
3042 config MMU                                       3112 config MMU
3043         bool                                     3113         bool
3044         default y                                3114         default y
3045                                                  3115 
3046 config ARCH_MMAP_RND_BITS_MIN                    3116 config ARCH_MMAP_RND_BITS_MIN
3047         default 12 if 64BIT                      3117         default 12 if 64BIT
3048         default 8                                3118         default 8
3049                                                  3119 
3050 config ARCH_MMAP_RND_BITS_MAX                    3120 config ARCH_MMAP_RND_BITS_MAX
3051         default 18 if 64BIT                      3121         default 18 if 64BIT
3052         default 15                               3122         default 15
3053                                                  3123 
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN             3124 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055         default 8                             !! 3125        default 8
3056                                                  3126 
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX             3127 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058         default 15                            !! 3128        default 15
3059                                                  3129 
3060 config I8253                                     3130 config I8253
3061         bool                                     3131         bool
3062         select CLKSRC_I8253                      3132         select CLKSRC_I8253
3063         select CLKEVT_I8253                      3133         select CLKEVT_I8253
3064         select MIPS_EXTERNAL_TIMER               3134         select MIPS_EXTERNAL_TIMER
                                                   >> 3135 
                                                   >> 3136 config ZONE_DMA
                                                   >> 3137         bool
                                                   >> 3138 
                                                   >> 3139 config ZONE_DMA32
                                                   >> 3140         bool
                                                   >> 3141 
3065 endmenu                                          3142 endmenu
3066                                                  3143 
3067 config TRAD_SIGNALS                              3144 config TRAD_SIGNALS
3068         bool                                     3145         bool
3069                                                  3146 
3070 config MIPS32_COMPAT                             3147 config MIPS32_COMPAT
3071         bool                                     3148         bool
3072                                                  3149 
3073 config COMPAT                                    3150 config COMPAT
3074         bool                                     3151         bool
3075                                                  3152 
                                                   >> 3153 config SYSVIPC_COMPAT
                                                   >> 3154         bool
                                                   >> 3155 
3076 config MIPS32_O32                                3156 config MIPS32_O32
3077         bool "Kernel support for o32 binaries    3157         bool "Kernel support for o32 binaries"
3078         depends on 64BIT                         3158         depends on 64BIT
3079         select ARCH_WANT_OLD_COMPAT_IPC          3159         select ARCH_WANT_OLD_COMPAT_IPC
3080         select COMPAT                            3160         select COMPAT
3081         select MIPS32_COMPAT                     3161         select MIPS32_COMPAT
                                                   >> 3162         select SYSVIPC_COMPAT if SYSVIPC
3082         help                                     3163         help
3083           Select this option if you want to r    3164           Select this option if you want to run o32 binaries.  These are pure
3084           32-bit binaries as used by the 32-b    3165           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3085           existing binaries are in this forma    3166           existing binaries are in this format.
3086                                                  3167 
3087           If unsure, say Y.                      3168           If unsure, say Y.
3088                                                  3169 
3089 config MIPS32_N32                                3170 config MIPS32_N32
3090         bool "Kernel support for n32 binaries    3171         bool "Kernel support for n32 binaries"
3091         depends on 64BIT                         3172         depends on 64BIT
3092         select ARCH_WANT_COMPAT_IPC_PARSE_VER    3173         select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093         select COMPAT                            3174         select COMPAT
3094         select MIPS32_COMPAT                     3175         select MIPS32_COMPAT
                                                   >> 3176         select SYSVIPC_COMPAT if SYSVIPC
3095         help                                     3177         help
3096           Select this option if you want to r    3178           Select this option if you want to run n32 binaries.  These are
3097           64-bit binaries using 32-bit quanti    3179           64-bit binaries using 32-bit quantities for addressing and certain
3098           data that would normally be 64-bit.    3180           data that would normally be 64-bit.  They are used in special
3099           cases.                                 3181           cases.
3100                                                  3182 
3101           If unsure, say N.                      3183           If unsure, say N.
3102                                                  3184 
3103 config CC_HAS_MNO_BRANCH_LIKELY               !! 3185 config BINFMT_ELF32
3104         def_bool y                            !! 3186         bool
3105         depends on $(cc-option,-mno-branch-li !! 3187         default y if MIPS32_O32 || MIPS32_N32
3106                                               !! 3188         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                                                  3189 
3111 menu "Power management options"                  3190 menu "Power management options"
3112                                                  3191 
3113 config ARCH_HIBERNATION_POSSIBLE                 3192 config ARCH_HIBERNATION_POSSIBLE
3114         def_bool y                               3193         def_bool y
3115         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3194         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116                                                  3195 
3117 config ARCH_SUSPEND_POSSIBLE                     3196 config ARCH_SUSPEND_POSSIBLE
3118         def_bool y                               3197         def_bool y
3119         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3198         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120                                                  3199 
3121 source "kernel/power/Kconfig"                    3200 source "kernel/power/Kconfig"
3122                                                  3201 
3123 endmenu                                          3202 endmenu
3124                                                  3203 
3125 config MIPS_EXTERNAL_TIMER                       3204 config MIPS_EXTERNAL_TIMER
3126         bool                                     3205         bool
3127                                                  3206 
3128 menu "CPU Power Management"                      3207 menu "CPU Power Management"
3129                                                  3208 
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME    3209 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig"                 3210 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3211 endif
3133                                                  3212 
3134 source "drivers/cpuidle/Kconfig"                 3213 source "drivers/cpuidle/Kconfig"
3135                                                  3214 
3136 endmenu                                          3215 endmenu
3137                                                  3216 
3138 source "arch/mips/kvm/Kconfig"                !! 3217 source "drivers/firmware/Kconfig"
3139                                                  3218 
3140 source "arch/mips/vdso/Kconfig"               !! 3219 source "arch/mips/kvm/Kconfig"
                                                      

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