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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-5.6.19)


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

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