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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-6.8.12)


  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     << 
  8         select ARCH_HAS_CPU_FINALIZE_INIT           7         select ARCH_HAS_CPU_FINALIZE_INIT
  9         select ARCH_HAS_CURRENT_STACK_POINTER       8         select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
 10         select ARCH_HAS_DEBUG_VIRTUAL if !64BI      9         select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
 11         select ARCH_HAS_DMA_OPS if MACH_JAZZ   << 
 12         select ARCH_HAS_FORTIFY_SOURCE             10         select ARCH_HAS_FORTIFY_SOURCE
 13         select ARCH_HAS_KCOV                       11         select ARCH_HAS_KCOV
 14         select ARCH_HAS_NON_OVERLAPPING_ADDRES     12         select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
 15         select ARCH_HAS_PTE_SPECIAL if !(32BIT     13         select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
 16         select ARCH_HAS_STRNCPY_FROM_USER          14         select ARCH_HAS_STRNCPY_FROM_USER
 17         select ARCH_HAS_STRNLEN_USER               15         select ARCH_HAS_STRNLEN_USER
 18         select ARCH_HAS_TICK_BROADCAST if GENE     16         select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 19         select ARCH_HAS_UBSAN                  !!  17         select ARCH_HAS_UBSAN_SANITIZE_ALL
 20         select ARCH_HAS_GCOV_PROFILE_ALL           18         select ARCH_HAS_GCOV_PROFILE_ALL
 21         select ARCH_KEEP_MEMBLOCK                  19         select ARCH_KEEP_MEMBLOCK
 22         select ARCH_USE_BUILTIN_BSWAP              20         select ARCH_USE_BUILTIN_BSWAP
 23         select ARCH_USE_CMPXCHG_LOCKREF if 64B     21         select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
 24         select ARCH_USE_MEMTEST                    22         select ARCH_USE_MEMTEST
 25         select ARCH_USE_QUEUED_RWLOCKS             23         select ARCH_USE_QUEUED_RWLOCKS
 26         select ARCH_USE_QUEUED_SPINLOCKS           24         select ARCH_USE_QUEUED_SPINLOCKS
 27         select ARCH_SUPPORTS_HUGETLBFS if CPU_     25         select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
 28         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_     26         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
 29         select ARCH_WANT_IPC_PARSE_VERSION         27         select ARCH_WANT_IPC_PARSE_VERSION
 30         select ARCH_WANT_LD_ORPHAN_WARN            28         select ARCH_WANT_LD_ORPHAN_WARN
 31         select BUILDTIME_TABLE_SORT                29         select BUILDTIME_TABLE_SORT
 32         select CLONE_BACKWARDS                     30         select CLONE_BACKWARDS
 33         select CPU_NO_EFFICIENT_FFS if (TARGET     31         select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
 34         select CPU_PM if CPU_IDLE || SUSPEND   !!  32         select CPU_PM if CPU_IDLE
 35         select GENERIC_ATOMIC64 if !64BIT          33         select GENERIC_ATOMIC64 if !64BIT
 36         select GENERIC_CMOS_UPDATE                 34         select GENERIC_CMOS_UPDATE
 37         select GENERIC_CPU_AUTOPROBE               35         select GENERIC_CPU_AUTOPROBE
 38         select GENERIC_GETTIMEOFDAY                36         select GENERIC_GETTIMEOFDAY
 39         select GENERIC_IOMAP                       37         select GENERIC_IOMAP
 40         select GENERIC_IRQ_PROBE                   38         select GENERIC_IRQ_PROBE
 41         select GENERIC_IRQ_SHOW                    39         select GENERIC_IRQ_SHOW
 42         select GENERIC_ISA_DMA if EISA             40         select GENERIC_ISA_DMA if EISA
 43         select GENERIC_LIB_ASHLDI3                 41         select GENERIC_LIB_ASHLDI3
 44         select GENERIC_LIB_ASHRDI3                 42         select GENERIC_LIB_ASHRDI3
 45         select GENERIC_LIB_CMPDI2                  43         select GENERIC_LIB_CMPDI2
 46         select GENERIC_LIB_LSHRDI3                 44         select GENERIC_LIB_LSHRDI3
 47         select GENERIC_LIB_UCMPDI2                 45         select GENERIC_LIB_UCMPDI2
 48         select GENERIC_SCHED_CLOCK if !CAVIUM_     46         select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 49         select GENERIC_SMP_IDLE_THREAD             47         select GENERIC_SMP_IDLE_THREAD
 50         select GENERIC_IDLE_POLL_SETUP             48         select GENERIC_IDLE_POLL_SETUP
 51         select GENERIC_TIME_VSYSCALL               49         select GENERIC_TIME_VSYSCALL
 52         select GUP_GET_PXX_LOW_HIGH if CPU_MIP     50         select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
 53         select HAS_IOPORT if !NO_IOPORT_MAP ||     51         select HAS_IOPORT if !NO_IOPORT_MAP || ISA
 54         select HAVE_ARCH_COMPILER_H                52         select HAVE_ARCH_COMPILER_H
 55         select HAVE_ARCH_JUMP_LABEL                53         select HAVE_ARCH_JUMP_LABEL
 56         select HAVE_ARCH_KGDB if MIPS_FP_SUPPO     54         select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
 57         select HAVE_ARCH_MMAP_RND_BITS if MMU      55         select HAVE_ARCH_MMAP_RND_BITS if MMU
 58         select HAVE_ARCH_MMAP_RND_COMPAT_BITS      56         select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
 59         select HAVE_ARCH_SECCOMP_FILTER            57         select HAVE_ARCH_SECCOMP_FILTER
 60         select HAVE_ARCH_TRACEHOOK                 58         select HAVE_ARCH_TRACEHOOK
 61         select HAVE_ARCH_TRANSPARENT_HUGEPAGE      59         select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
 62         select HAVE_ASM_MODVERSIONS                60         select HAVE_ASM_MODVERSIONS
 63         select HAVE_CONTEXT_TRACKING_USER          61         select HAVE_CONTEXT_TRACKING_USER
 64         select HAVE_TIF_NOHZ                       62         select HAVE_TIF_NOHZ
 65         select HAVE_C_RECORDMCOUNT                 63         select HAVE_C_RECORDMCOUNT
 66         select HAVE_DEBUG_KMEMLEAK                 64         select HAVE_DEBUG_KMEMLEAK
 67         select HAVE_DEBUG_STACKOVERFLOW            65         select HAVE_DEBUG_STACKOVERFLOW
 68         select HAVE_DMA_CONTIGUOUS                 66         select HAVE_DMA_CONTIGUOUS
 69         select HAVE_DYNAMIC_FTRACE                 67         select HAVE_DYNAMIC_FTRACE
 70         select HAVE_EBPF_JIT if !CPU_MICROMIPS     68         select HAVE_EBPF_JIT if !CPU_MICROMIPS
 71         select HAVE_EXIT_THREAD                    69         select HAVE_EXIT_THREAD
 72         select HAVE_GUP_FAST                   !!  70         select HAVE_FAST_GUP
 73         select HAVE_FTRACE_MCOUNT_RECORD           71         select HAVE_FTRACE_MCOUNT_RECORD
 74         select HAVE_FUNCTION_GRAPH_TRACER          72         select HAVE_FUNCTION_GRAPH_TRACER
 75         select HAVE_FUNCTION_TRACER                73         select HAVE_FUNCTION_TRACER
 76         select HAVE_GCC_PLUGINS                    74         select HAVE_GCC_PLUGINS
 77         select HAVE_GENERIC_VDSO                   75         select HAVE_GENERIC_VDSO
 78         select HAVE_IOREMAP_PROT                   76         select HAVE_IOREMAP_PROT
 79         select HAVE_IRQ_EXIT_ON_IRQ_STACK          77         select HAVE_IRQ_EXIT_ON_IRQ_STACK
 80         select HAVE_IRQ_TIME_ACCOUNTING            78         select HAVE_IRQ_TIME_ACCOUNTING
 81         select HAVE_KPROBES                        79         select HAVE_KPROBES
 82         select HAVE_KRETPROBES                     80         select HAVE_KRETPROBES
 83         select HAVE_LD_DEAD_CODE_DATA_ELIMINAT     81         select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
 84         select HAVE_MOD_ARCH_SPECIFIC              82         select HAVE_MOD_ARCH_SPECIFIC
 85         select HAVE_NMI                            83         select HAVE_NMI
 86         select HAVE_PAGE_SIZE_4KB if !CPU_LOON << 
 87         select HAVE_PAGE_SIZE_16KB if !CPU_R30 << 
 88         select HAVE_PAGE_SIZE_64KB if !CPU_R30 << 
 89         select HAVE_PERF_EVENTS                    84         select HAVE_PERF_EVENTS
 90         select HAVE_PERF_REGS                      85         select HAVE_PERF_REGS
 91         select HAVE_PERF_USER_STACK_DUMP           86         select HAVE_PERF_USER_STACK_DUMP
 92         select HAVE_REGS_AND_STACK_ACCESS_API      87         select HAVE_REGS_AND_STACK_ACCESS_API
 93         select HAVE_RSEQ                           88         select HAVE_RSEQ
 94         select HAVE_SPARSE_SYSCALL_NR              89         select HAVE_SPARSE_SYSCALL_NR
 95         select HAVE_STACKPROTECTOR                 90         select HAVE_STACKPROTECTOR
 96         select HAVE_SYSCALL_TRACEPOINTS            91         select HAVE_SYSCALL_TRACEPOINTS
 97         select HAVE_VIRT_CPU_ACCOUNTING_GEN if     92         select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
 98         select IRQ_FORCED_THREADING                93         select IRQ_FORCED_THREADING
 99         select ISA if EISA                         94         select ISA if EISA
100         select LOCK_MM_AND_FIND_VMA                95         select LOCK_MM_AND_FIND_VMA
101         select MODULES_USE_ELF_REL if MODULES      96         select MODULES_USE_ELF_REL if MODULES
102         select MODULES_USE_ELF_RELA if MODULES     97         select MODULES_USE_ELF_RELA if MODULES && 64BIT
103         select PERF_USE_VMALLOC                    98         select PERF_USE_VMALLOC
104         select PCI_MSI_ARCH_FALLBACKS if PCI_M     99         select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105         select RTC_LIB                            100         select RTC_LIB
106         select SYSCTL_EXCEPTION_TRACE             101         select SYSCTL_EXCEPTION_TRACE
107         select TRACE_IRQFLAGS_SUPPORT             102         select TRACE_IRQFLAGS_SUPPORT
108         select ARCH_HAS_ELFCORE_COMPAT            103         select ARCH_HAS_ELFCORE_COMPAT
109         select HAVE_ARCH_KCSAN if 64BIT           104         select HAVE_ARCH_KCSAN if 64BIT
110                                                   105 
111 config MIPS_FIXUP_BIGPHYS_ADDR                    106 config MIPS_FIXUP_BIGPHYS_ADDR
112         bool                                      107         bool
113                                                   108 
114 config MIPS_GENERIC                               109 config MIPS_GENERIC
115         bool                                      110         bool
116                                                   111 
117 config MACH_GENERIC_CORE                       << 
118         bool                                   << 
119                                                << 
120 config MACH_INGENIC                               112 config MACH_INGENIC
121         bool                                      113         bool
122         select SYS_SUPPORTS_32BIT_KERNEL          114         select SYS_SUPPORTS_32BIT_KERNEL
123         select SYS_SUPPORTS_LITTLE_ENDIAN         115         select SYS_SUPPORTS_LITTLE_ENDIAN
124         select SYS_SUPPORTS_ZBOOT                 116         select SYS_SUPPORTS_ZBOOT
125         select DMA_NONCOHERENT                    117         select DMA_NONCOHERENT
126         select IRQ_MIPS_CPU                       118         select IRQ_MIPS_CPU
127         select PINCTRL                            119         select PINCTRL
128         select GPIOLIB                            120         select GPIOLIB
129         select COMMON_CLK                         121         select COMMON_CLK
130         select GENERIC_IRQ_CHIP                   122         select GENERIC_IRQ_CHIP
131         select BUILTIN_DTB if MIPS_NO_APPENDED    123         select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132         select USE_OF                             124         select USE_OF
133         select CPU_SUPPORTS_CPUFREQ               125         select CPU_SUPPORTS_CPUFREQ
134         select MIPS_EXTERNAL_TIMER                126         select MIPS_EXTERNAL_TIMER
135                                                   127 
136 menu "Machine selection"                          128 menu "Machine selection"
137                                                   129 
138 choice                                            130 choice
139         prompt "System type"                      131         prompt "System type"
140         default MIPS_GENERIC_KERNEL               132         default MIPS_GENERIC_KERNEL
141                                                   133 
142 config MIPS_GENERIC_KERNEL                        134 config MIPS_GENERIC_KERNEL
143         bool "Generic board-agnostic MIPS kern    135         bool "Generic board-agnostic MIPS kernel"
144         select MIPS_GENERIC                       136         select MIPS_GENERIC
145         select BOOT_RAW                           137         select BOOT_RAW
146         select BUILTIN_DTB                        138         select BUILTIN_DTB
147         select CEVT_R4K                           139         select CEVT_R4K
148         select CLKSRC_MIPS_GIC                    140         select CLKSRC_MIPS_GIC
149         select COMMON_CLK                         141         select COMMON_CLK
150         select CPU_MIPSR2_IRQ_EI                  142         select CPU_MIPSR2_IRQ_EI
151         select CPU_MIPSR2_IRQ_VI                  143         select CPU_MIPSR2_IRQ_VI
152         select CSRC_R4K                           144         select CSRC_R4K
153         select DMA_NONCOHERENT                    145         select DMA_NONCOHERENT
154         select HAVE_PCI                           146         select HAVE_PCI
155         select IRQ_MIPS_CPU                       147         select IRQ_MIPS_CPU
156         select MACH_GENERIC_CORE               << 
157         select MIPS_AUTO_PFN_OFFSET               148         select MIPS_AUTO_PFN_OFFSET
158         select MIPS_CPU_SCACHE                    149         select MIPS_CPU_SCACHE
159         select MIPS_GIC                           150         select MIPS_GIC
160         select MIPS_L1_CACHE_SHIFT_7              151         select MIPS_L1_CACHE_SHIFT_7
161         select NO_EXCEPT_FILL                     152         select NO_EXCEPT_FILL
162         select PCI_DRIVERS_GENERIC                153         select PCI_DRIVERS_GENERIC
163         select SMP_UP if SMP                      154         select SMP_UP if SMP
164         select SWAP_IO_SPACE                      155         select SWAP_IO_SPACE
165         select SYS_HAS_CPU_MIPS32_R1              156         select SYS_HAS_CPU_MIPS32_R1
166         select SYS_HAS_CPU_MIPS32_R2              157         select SYS_HAS_CPU_MIPS32_R2
167         select SYS_HAS_CPU_MIPS32_R5              158         select SYS_HAS_CPU_MIPS32_R5
168         select SYS_HAS_CPU_MIPS32_R6              159         select SYS_HAS_CPU_MIPS32_R6
169         select SYS_HAS_CPU_MIPS64_R1              160         select SYS_HAS_CPU_MIPS64_R1
170         select SYS_HAS_CPU_MIPS64_R2              161         select SYS_HAS_CPU_MIPS64_R2
171         select SYS_HAS_CPU_MIPS64_R5              162         select SYS_HAS_CPU_MIPS64_R5
172         select SYS_HAS_CPU_MIPS64_R6              163         select SYS_HAS_CPU_MIPS64_R6
173         select SYS_SUPPORTS_32BIT_KERNEL          164         select SYS_SUPPORTS_32BIT_KERNEL
174         select SYS_SUPPORTS_64BIT_KERNEL          165         select SYS_SUPPORTS_64BIT_KERNEL
175         select SYS_SUPPORTS_BIG_ENDIAN            166         select SYS_SUPPORTS_BIG_ENDIAN
176         select SYS_SUPPORTS_HIGHMEM               167         select SYS_SUPPORTS_HIGHMEM
177         select SYS_SUPPORTS_LITTLE_ENDIAN         168         select SYS_SUPPORTS_LITTLE_ENDIAN
178         select SYS_SUPPORTS_MICROMIPS             169         select SYS_SUPPORTS_MICROMIPS
179         select SYS_SUPPORTS_MIPS16                170         select SYS_SUPPORTS_MIPS16
180         select SYS_SUPPORTS_MIPS_CPS              171         select SYS_SUPPORTS_MIPS_CPS
181         select SYS_SUPPORTS_MULTITHREADING        172         select SYS_SUPPORTS_MULTITHREADING
182         select SYS_SUPPORTS_RELOCATABLE           173         select SYS_SUPPORTS_RELOCATABLE
183         select SYS_SUPPORTS_SMARTMIPS             174         select SYS_SUPPORTS_SMARTMIPS
184         select SYS_SUPPORTS_ZBOOT                 175         select SYS_SUPPORTS_ZBOOT
185         select UHI_BOOT                           176         select UHI_BOOT
186         select USB_EHCI_BIG_ENDIAN_DESC if CPU    177         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    178         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188         select USB_OHCI_BIG_ENDIAN_DESC if CPU    179         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    180         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190         select USB_UHCI_BIG_ENDIAN_DESC if CPU    181         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191         select USB_UHCI_BIG_ENDIAN_MMIO if CPU    182         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192         select USE_OF                             183         select USE_OF
193         help                                      184         help
194           Select this to build a kernel which     185           Select this to build a kernel which aims to support multiple boards,
195           generally using a flattened device t    186           generally using a flattened device tree passed from the bootloader
196           using the boot protocol defined in t    187           using the boot protocol defined in the UHI (Unified Hosting
197           Interface) specification.               188           Interface) specification.
198                                                   189 
199 config MIPS_ALCHEMY                               190 config MIPS_ALCHEMY
200         bool "Alchemy processor based machines    191         bool "Alchemy processor based machines"
201         select PHYS_ADDR_T_64BIT                  192         select PHYS_ADDR_T_64BIT
202         select CEVT_R4K                           193         select CEVT_R4K
203         select CSRC_R4K                           194         select CSRC_R4K
204         select IRQ_MIPS_CPU                       195         select IRQ_MIPS_CPU
205         select DMA_NONCOHERENT          # Au10    196         select DMA_NONCOHERENT          # Au1000,1500,1100 aren't, rest is
206         select MIPS_FIXUP_BIGPHYS_ADDR if PCI     197         select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207         select SYS_HAS_CPU_MIPS32_R1              198         select SYS_HAS_CPU_MIPS32_R1
208         select SYS_SUPPORTS_32BIT_KERNEL          199         select SYS_SUPPORTS_32BIT_KERNEL
209         select SYS_SUPPORTS_APM_EMULATION         200         select SYS_SUPPORTS_APM_EMULATION
210         select GPIOLIB                            201         select GPIOLIB
211         select SYS_SUPPORTS_ZBOOT                 202         select SYS_SUPPORTS_ZBOOT
212         select COMMON_CLK                         203         select COMMON_CLK
213                                                   204 
214 config ATH25                                      205 config ATH25
215         bool "Atheros AR231x/AR531x SoC suppor    206         bool "Atheros AR231x/AR531x SoC support"
216         select CEVT_R4K                           207         select CEVT_R4K
217         select CSRC_R4K                           208         select CSRC_R4K
218         select DMA_NONCOHERENT                    209         select DMA_NONCOHERENT
219         select IRQ_MIPS_CPU                       210         select IRQ_MIPS_CPU
220         select IRQ_DOMAIN                         211         select IRQ_DOMAIN
221         select SYS_HAS_CPU_MIPS32_R1              212         select SYS_HAS_CPU_MIPS32_R1
222         select SYS_SUPPORTS_BIG_ENDIAN            213         select SYS_SUPPORTS_BIG_ENDIAN
223         select SYS_SUPPORTS_32BIT_KERNEL          214         select SYS_SUPPORTS_32BIT_KERNEL
224         select SYS_HAS_EARLY_PRINTK               215         select SYS_HAS_EARLY_PRINTK
225         help                                      216         help
226           Support for Atheros AR231x and Ather    217           Support for Atheros AR231x and Atheros AR531x based boards
227                                                   218 
228 config ATH79                                      219 config ATH79
229         bool "Atheros AR71XX/AR724X/AR913X bas    220         bool "Atheros AR71XX/AR724X/AR913X based boards"
230         select ARCH_HAS_RESET_CONTROLLER          221         select ARCH_HAS_RESET_CONTROLLER
231         select BOOT_RAW                           222         select BOOT_RAW
232         select CEVT_R4K                           223         select CEVT_R4K
233         select CSRC_R4K                           224         select CSRC_R4K
234         select DMA_NONCOHERENT                    225         select DMA_NONCOHERENT
235         select GPIOLIB                            226         select GPIOLIB
236         select PINCTRL                            227         select PINCTRL
237         select COMMON_CLK                         228         select COMMON_CLK
238         select IRQ_MIPS_CPU                       229         select IRQ_MIPS_CPU
239         select SYS_HAS_CPU_MIPS32_R2              230         select SYS_HAS_CPU_MIPS32_R2
240         select SYS_HAS_EARLY_PRINTK               231         select SYS_HAS_EARLY_PRINTK
241         select SYS_SUPPORTS_32BIT_KERNEL          232         select SYS_SUPPORTS_32BIT_KERNEL
242         select SYS_SUPPORTS_BIG_ENDIAN            233         select SYS_SUPPORTS_BIG_ENDIAN
243         select SYS_SUPPORTS_MIPS16                234         select SYS_SUPPORTS_MIPS16
244         select SYS_SUPPORTS_ZBOOT_UART_PROM       235         select SYS_SUPPORTS_ZBOOT_UART_PROM
245         select USE_OF                             236         select USE_OF
246         select USB_EHCI_ROOT_HUB_TT if USB_EHC    237         select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247         help                                      238         help
248           Support for the Atheros AR71XX/AR724    239           Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249                                                   240 
250 config BMIPS_GENERIC                              241 config BMIPS_GENERIC
251         bool "Broadcom Generic BMIPS kernel"      242         bool "Broadcom Generic BMIPS kernel"
252         select ARCH_HAS_RESET_CONTROLLER          243         select ARCH_HAS_RESET_CONTROLLER
253         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL      244         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254         select BOOT_RAW                           245         select BOOT_RAW
255         select NO_EXCEPT_FILL                     246         select NO_EXCEPT_FILL
256         select USE_OF                             247         select USE_OF
257         select CEVT_R4K                           248         select CEVT_R4K
258         select CSRC_R4K                           249         select CSRC_R4K
259         select SYNC_R4K                           250         select SYNC_R4K
260         select COMMON_CLK                         251         select COMMON_CLK
261         select BCM6345_L1_IRQ                     252         select BCM6345_L1_IRQ
262         select BCM7038_L1_IRQ                     253         select BCM7038_L1_IRQ
263         select BCM7120_L2_IRQ                     254         select BCM7120_L2_IRQ
264         select BRCMSTB_L2_IRQ                     255         select BRCMSTB_L2_IRQ
265         select IRQ_MIPS_CPU                       256         select IRQ_MIPS_CPU
266         select DMA_NONCOHERENT                    257         select DMA_NONCOHERENT
267         select SYS_SUPPORTS_32BIT_KERNEL          258         select SYS_SUPPORTS_32BIT_KERNEL
268         select SYS_SUPPORTS_LITTLE_ENDIAN         259         select SYS_SUPPORTS_LITTLE_ENDIAN
269         select SYS_SUPPORTS_BIG_ENDIAN            260         select SYS_SUPPORTS_BIG_ENDIAN
270         select SYS_SUPPORTS_HIGHMEM               261         select SYS_SUPPORTS_HIGHMEM
271         select SYS_HAS_CPU_BMIPS32_3300           262         select SYS_HAS_CPU_BMIPS32_3300
272         select SYS_HAS_CPU_BMIPS4350              263         select SYS_HAS_CPU_BMIPS4350
273         select SYS_HAS_CPU_BMIPS4380              264         select SYS_HAS_CPU_BMIPS4380
274         select SYS_HAS_CPU_BMIPS5000              265         select SYS_HAS_CPU_BMIPS5000
275         select SWAP_IO_SPACE                      266         select SWAP_IO_SPACE
276         select USB_EHCI_BIG_ENDIAN_DESC if CPU    267         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    268         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278         select USB_OHCI_BIG_ENDIAN_DESC if CPU    269         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    270         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280         select HARDIRQS_SW_RESEND                 271         select HARDIRQS_SW_RESEND
281         select HAVE_PCI                           272         select HAVE_PCI
282         select PCI_DRIVERS_GENERIC                273         select PCI_DRIVERS_GENERIC
283         select FW_CFE                             274         select FW_CFE
284         help                                      275         help
285           Build a generic DT-based kernel imag    276           Build a generic DT-based kernel image that boots on select
286           BCM33xx cable modem chips, BCM63xx D    277           BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287           box chips.  Note that CONFIG_CPU_BIG    278           box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288           must be set appropriately for your b    279           must be set appropriately for your board.
289                                                   280 
290 config BCM47XX                                    281 config BCM47XX
291         bool "Broadcom BCM47XX based boards"      282         bool "Broadcom BCM47XX based boards"
292         select BOOT_RAW                           283         select BOOT_RAW
293         select CEVT_R4K                           284         select CEVT_R4K
294         select CSRC_R4K                           285         select CSRC_R4K
295         select DMA_NONCOHERENT                    286         select DMA_NONCOHERENT
296         select HAVE_PCI                           287         select HAVE_PCI
297         select IRQ_MIPS_CPU                       288         select IRQ_MIPS_CPU
298         select SYS_HAS_CPU_MIPS32_R1              289         select SYS_HAS_CPU_MIPS32_R1
299         select NO_EXCEPT_FILL                     290         select NO_EXCEPT_FILL
300         select SYS_SUPPORTS_32BIT_KERNEL          291         select SYS_SUPPORTS_32BIT_KERNEL
301         select SYS_SUPPORTS_LITTLE_ENDIAN         292         select SYS_SUPPORTS_LITTLE_ENDIAN
302         select SYS_SUPPORTS_MIPS16                293         select SYS_SUPPORTS_MIPS16
303         select SYS_SUPPORTS_ZBOOT                 294         select SYS_SUPPORTS_ZBOOT
304         select SYS_HAS_EARLY_PRINTK               295         select SYS_HAS_EARLY_PRINTK
305         select USE_GENERIC_EARLY_PRINTK_8250      296         select USE_GENERIC_EARLY_PRINTK_8250
306         select GPIOLIB                            297         select GPIOLIB
307         select LEDS_GPIO_REGISTER                 298         select LEDS_GPIO_REGISTER
308         select BCM47XX_NVRAM                      299         select BCM47XX_NVRAM
309         select BCM47XX_SPROM                      300         select BCM47XX_SPROM
310         select BCM47XX_SSB if !BCM47XX_BCMA       301         select BCM47XX_SSB if !BCM47XX_BCMA
311         help                                      302         help
312           Support for BCM47XX based boards        303           Support for BCM47XX based boards
313                                                   304 
314 config BCM63XX                                    305 config BCM63XX
315         bool "Broadcom BCM63XX based boards"      306         bool "Broadcom BCM63XX based boards"
316         select BOOT_RAW                           307         select BOOT_RAW
317         select CEVT_R4K                           308         select CEVT_R4K
318         select CSRC_R4K                           309         select CSRC_R4K
319         select SYNC_R4K                           310         select SYNC_R4K
320         select DMA_NONCOHERENT                    311         select DMA_NONCOHERENT
321         select IRQ_MIPS_CPU                       312         select IRQ_MIPS_CPU
322         select SYS_SUPPORTS_32BIT_KERNEL          313         select SYS_SUPPORTS_32BIT_KERNEL
323         select SYS_SUPPORTS_BIG_ENDIAN            314         select SYS_SUPPORTS_BIG_ENDIAN
324         select SYS_HAS_EARLY_PRINTK               315         select SYS_HAS_EARLY_PRINTK
325         select SYS_HAS_CPU_BMIPS32_3300           316         select SYS_HAS_CPU_BMIPS32_3300
326         select SYS_HAS_CPU_BMIPS4350              317         select SYS_HAS_CPU_BMIPS4350
327         select SYS_HAS_CPU_BMIPS4380              318         select SYS_HAS_CPU_BMIPS4380
328         select SWAP_IO_SPACE                      319         select SWAP_IO_SPACE
329         select GPIOLIB                            320         select GPIOLIB
330         select MIPS_L1_CACHE_SHIFT_4              321         select MIPS_L1_CACHE_SHIFT_4
331         select HAVE_LEGACY_CLK                    322         select HAVE_LEGACY_CLK
332         help                                      323         help
333           Support for BCM63XX based boards        324           Support for BCM63XX based boards
334                                                   325 
335 config MIPS_COBALT                                326 config MIPS_COBALT
336         bool "Cobalt Server"                      327         bool "Cobalt Server"
337         select CEVT_R4K                           328         select CEVT_R4K
338         select CSRC_R4K                           329         select CSRC_R4K
339         select CEVT_GT641XX                       330         select CEVT_GT641XX
340         select DMA_NONCOHERENT                    331         select DMA_NONCOHERENT
341         select FORCE_PCI                          332         select FORCE_PCI
342         select I8253                              333         select I8253
343         select I8259                              334         select I8259
344         select IRQ_MIPS_CPU                       335         select IRQ_MIPS_CPU
345         select IRQ_GT641XX                        336         select IRQ_GT641XX
346         select PCI_GT64XXX_PCI0                   337         select PCI_GT64XXX_PCI0
347         select SYS_HAS_CPU_NEVADA                 338         select SYS_HAS_CPU_NEVADA
348         select SYS_HAS_EARLY_PRINTK               339         select SYS_HAS_EARLY_PRINTK
349         select SYS_SUPPORTS_32BIT_KERNEL          340         select SYS_SUPPORTS_32BIT_KERNEL
350         select SYS_SUPPORTS_64BIT_KERNEL          341         select SYS_SUPPORTS_64BIT_KERNEL
351         select SYS_SUPPORTS_LITTLE_ENDIAN         342         select SYS_SUPPORTS_LITTLE_ENDIAN
352         select USE_GENERIC_EARLY_PRINTK_8250      343         select USE_GENERIC_EARLY_PRINTK_8250
353                                                   344 
354 config MACH_DECSTATION                            345 config MACH_DECSTATION
355         bool "DECstations"                        346         bool "DECstations"
356         select BOOT_ELF32                         347         select BOOT_ELF32
357         select CEVT_DS1287                        348         select CEVT_DS1287
358         select CEVT_R4K if CPU_R4X00              349         select CEVT_R4K if CPU_R4X00
359         select CSRC_IOASIC                        350         select CSRC_IOASIC
360         select CSRC_R4K if CPU_R4X00              351         select CSRC_R4K if CPU_R4X00
361         select CPU_DADDI_WORKAROUNDS if 64BIT     352         select CPU_DADDI_WORKAROUNDS if 64BIT
362         select CPU_R4000_WORKAROUNDS if 64BIT     353         select CPU_R4000_WORKAROUNDS if 64BIT
363         select CPU_R4400_WORKAROUNDS if 64BIT     354         select CPU_R4400_WORKAROUNDS if 64BIT
364         select DMA_NONCOHERENT                    355         select DMA_NONCOHERENT
365         select NO_IOPORT_MAP                      356         select NO_IOPORT_MAP
366         select IRQ_MIPS_CPU                       357         select IRQ_MIPS_CPU
367         select SYS_HAS_CPU_R3000                  358         select SYS_HAS_CPU_R3000
368         select SYS_HAS_CPU_R4X00                  359         select SYS_HAS_CPU_R4X00
369         select SYS_SUPPORTS_32BIT_KERNEL          360         select SYS_SUPPORTS_32BIT_KERNEL
370         select SYS_SUPPORTS_64BIT_KERNEL          361         select SYS_SUPPORTS_64BIT_KERNEL
371         select SYS_SUPPORTS_LITTLE_ENDIAN         362         select SYS_SUPPORTS_LITTLE_ENDIAN
372         select SYS_SUPPORTS_128HZ                 363         select SYS_SUPPORTS_128HZ
373         select SYS_SUPPORTS_256HZ                 364         select SYS_SUPPORTS_256HZ
374         select SYS_SUPPORTS_1024HZ                365         select SYS_SUPPORTS_1024HZ
375         select MIPS_L1_CACHE_SHIFT_4              366         select MIPS_L1_CACHE_SHIFT_4
376         help                                      367         help
377           This enables support for DEC's MIPS     368           This enables support for DEC's MIPS based workstations.  For details
378           see the Linux/MIPS FAQ on <http://ww    369           see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379           DECstation porting pages on <http://    370           DECstation porting pages on <http://decstation.unix-ag.org/>.
380                                                   371 
381           If you have one of the following DEC    372           If you have one of the following DECstation Models you definitely
382           want to choose R4xx0 for the CPU Typ    373           want to choose R4xx0 for the CPU Type:
383                                                   374 
384                 DECstation 5000/50                375                 DECstation 5000/50
385                 DECstation 5000/150               376                 DECstation 5000/150
386                 DECstation 5000/260               377                 DECstation 5000/260
387                 DECsystem 5900/260                378                 DECsystem 5900/260
388                                                   379 
389           otherwise choose R3000.                 380           otherwise choose R3000.
390                                                   381 
391 config MACH_JAZZ                                  382 config MACH_JAZZ
392         bool "Jazz family of machines"            383         bool "Jazz family of machines"
393         select ARC_MEMORY                         384         select ARC_MEMORY
394         select ARC_PROMLIB                        385         select ARC_PROMLIB
395         select ARCH_MIGHT_HAVE_PC_PARPORT         386         select ARCH_MIGHT_HAVE_PC_PARPORT
396         select ARCH_MIGHT_HAVE_PC_SERIO           387         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 388         select DMA_OPS
397         select FW_ARC                             389         select FW_ARC
398         select FW_ARC32                           390         select FW_ARC32
399         select ARCH_MAY_HAVE_PC_FDC               391         select ARCH_MAY_HAVE_PC_FDC
400         select CEVT_R4K                           392         select CEVT_R4K
401         select CSRC_R4K                           393         select CSRC_R4K
402         select DEFAULT_SGI_PARTITION if CPU_BI    394         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403         select GENERIC_ISA_DMA                    395         select GENERIC_ISA_DMA
404         select HAVE_PCSPKR_PLATFORM               396         select HAVE_PCSPKR_PLATFORM
405         select IRQ_MIPS_CPU                       397         select IRQ_MIPS_CPU
406         select I8253                              398         select I8253
407         select I8259                              399         select I8259
408         select ISA                                400         select ISA
409         select SYS_HAS_CPU_R4X00                  401         select SYS_HAS_CPU_R4X00
410         select SYS_SUPPORTS_32BIT_KERNEL          402         select SYS_SUPPORTS_32BIT_KERNEL
411         select SYS_SUPPORTS_64BIT_KERNEL          403         select SYS_SUPPORTS_64BIT_KERNEL
412         select SYS_SUPPORTS_100HZ                 404         select SYS_SUPPORTS_100HZ
413         select SYS_SUPPORTS_LITTLE_ENDIAN         405         select SYS_SUPPORTS_LITTLE_ENDIAN
414         help                                      406         help
415           This a family of machines based on t    407           This a family of machines based on the MIPS R4030 chipset which was
416           used by several vendors to build RIS    408           used by several vendors to build RISC/os and Windows NT workstations.
417           Members include the Acer PICA, MIPS     409           Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418           Olivetti M700-10 workstations.          410           Olivetti M700-10 workstations.
419                                                   411 
420 config MACH_INGENIC_SOC                           412 config MACH_INGENIC_SOC
421         bool "Ingenic SoC based machines"         413         bool "Ingenic SoC based machines"
422         select MIPS_GENERIC                       414         select MIPS_GENERIC
423         select MACH_INGENIC                       415         select MACH_INGENIC
424         select MACH_GENERIC_CORE               << 
425         select SYS_SUPPORTS_ZBOOT_UART16550       416         select SYS_SUPPORTS_ZBOOT_UART16550
426         select CPU_SUPPORTS_CPUFREQ               417         select CPU_SUPPORTS_CPUFREQ
427         select MIPS_EXTERNAL_TIMER                418         select MIPS_EXTERNAL_TIMER
428                                                   419 
429 config LANTIQ                                     420 config LANTIQ
430         bool "Lantiq based platforms"             421         bool "Lantiq based platforms"
431         select DMA_NONCOHERENT                    422         select DMA_NONCOHERENT
432         select IRQ_MIPS_CPU                       423         select IRQ_MIPS_CPU
433         select CEVT_R4K                           424         select CEVT_R4K
434         select CSRC_R4K                           425         select CSRC_R4K
435         select NO_EXCEPT_FILL                     426         select NO_EXCEPT_FILL
436         select SYS_HAS_CPU_MIPS32_R1              427         select SYS_HAS_CPU_MIPS32_R1
437         select SYS_HAS_CPU_MIPS32_R2              428         select SYS_HAS_CPU_MIPS32_R2
438         select SYS_SUPPORTS_BIG_ENDIAN            429         select SYS_SUPPORTS_BIG_ENDIAN
439         select SYS_SUPPORTS_32BIT_KERNEL          430         select SYS_SUPPORTS_32BIT_KERNEL
440         select SYS_SUPPORTS_MIPS16                431         select SYS_SUPPORTS_MIPS16
441         select SYS_SUPPORTS_MULTITHREADING        432         select SYS_SUPPORTS_MULTITHREADING
442         select SYS_SUPPORTS_VPE_LOADER            433         select SYS_SUPPORTS_VPE_LOADER
443         select SYS_HAS_EARLY_PRINTK               434         select SYS_HAS_EARLY_PRINTK
444         select GPIOLIB                            435         select GPIOLIB
445         select SWAP_IO_SPACE                      436         select SWAP_IO_SPACE
446         select BOOT_RAW                           437         select BOOT_RAW
447         select HAVE_LEGACY_CLK                    438         select HAVE_LEGACY_CLK
448         select USE_OF                             439         select USE_OF
449         select PINCTRL                            440         select PINCTRL
450         select PINCTRL_LANTIQ                     441         select PINCTRL_LANTIQ
451         select ARCH_HAS_RESET_CONTROLLER          442         select ARCH_HAS_RESET_CONTROLLER
452         select RESET_CONTROLLER                   443         select RESET_CONTROLLER
453                                                   444 
454 config MACH_LOONGSON32                            445 config MACH_LOONGSON32
455         bool "Loongson 32-bit family of machin    446         bool "Loongson 32-bit family of machines"
456         select SYS_SUPPORTS_ZBOOT                 447         select SYS_SUPPORTS_ZBOOT
457         help                                      448         help
458           This enables support for the Loongso    449           This enables support for the Loongson-1 family of machines.
459                                                   450 
460           Loongson-1 is a family of 32-bit MIP    451           Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461           the Institute of Computing Technolog    452           the Institute of Computing Technology (ICT), Chinese Academy of
462           Sciences (CAS).                         453           Sciences (CAS).
463                                                   454 
464 config MACH_LOONGSON2EF                           455 config MACH_LOONGSON2EF
465         bool "Loongson-2E/F family of machines    456         bool "Loongson-2E/F family of machines"
466         select SYS_SUPPORTS_ZBOOT                 457         select SYS_SUPPORTS_ZBOOT
467         help                                      458         help
468           This enables the support of early Lo    459           This enables the support of early Loongson-2E/F family of machines.
469                                                   460 
470 config MACH_LOONGSON64                            461 config MACH_LOONGSON64
471         bool "Loongson 64-bit family of machin    462         bool "Loongson 64-bit family of machines"
472         select ARCH_DMA_DEFAULT_COHERENT          463         select ARCH_DMA_DEFAULT_COHERENT
473         select ARCH_SPARSEMEM_ENABLE              464         select ARCH_SPARSEMEM_ENABLE
474         select ARCH_MIGHT_HAVE_PC_PARPORT         465         select ARCH_MIGHT_HAVE_PC_PARPORT
475         select ARCH_MIGHT_HAVE_PC_SERIO           466         select ARCH_MIGHT_HAVE_PC_SERIO
476         select GENERIC_ISA_DMA_SUPPORT_BROKEN     467         select GENERIC_ISA_DMA_SUPPORT_BROKEN
477         select BOOT_ELF32                         468         select BOOT_ELF32
478         select BOARD_SCACHE                       469         select BOARD_SCACHE
479         select CSRC_R4K                           470         select CSRC_R4K
480         select CEVT_R4K                           471         select CEVT_R4K
481         select SYNC_R4K                        << 
482         select FORCE_PCI                          472         select FORCE_PCI
483         select ISA                                473         select ISA
484         select I8259                              474         select I8259
485         select IRQ_MIPS_CPU                       475         select IRQ_MIPS_CPU
486         select NO_EXCEPT_FILL                     476         select NO_EXCEPT_FILL
487         select NR_CPUS_DEFAULT_64                 477         select NR_CPUS_DEFAULT_64
488         select USE_GENERIC_EARLY_PRINTK_8250      478         select USE_GENERIC_EARLY_PRINTK_8250
489         select PCI_DRIVERS_GENERIC                479         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 SYS_SUPPORTS_RELOCATABLE
500         select ZONE_DMA32                         490         select ZONE_DMA32
501         select COMMON_CLK                         491         select COMMON_CLK
502         select USE_OF                             492         select USE_OF
503         select BUILTIN_DTB                        493         select BUILTIN_DTB
504         select PCI_HOST_GENERIC                   494         select PCI_HOST_GENERIC
                                                   >> 495         select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
505         help                                      496         help
506           This enables the support of Loongson    497           This enables the support of Loongson-2/3 family of machines.
507                                                   498 
508           Loongson-2 and Loongson-3 are 64-bit    499           Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509           GS264/GS464/GS464E/GS464V microarchi    500           GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510           and Loongson-2F which will be remove    501           and Loongson-2F which will be removed), developed by the Institute
511           of Computing Technology (ICT), Chine    502           of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512                                                   503 
513 config MIPS_MALTA                                 504 config MIPS_MALTA
514         bool "MIPS Malta board"                   505         bool "MIPS Malta board"
515         select ARCH_MAY_HAVE_PC_FDC               506         select ARCH_MAY_HAVE_PC_FDC
516         select ARCH_MIGHT_HAVE_PC_PARPORT         507         select ARCH_MIGHT_HAVE_PC_PARPORT
517         select ARCH_MIGHT_HAVE_PC_SERIO           508         select ARCH_MIGHT_HAVE_PC_SERIO
518         select BOOT_ELF32                         509         select BOOT_ELF32
519         select BOOT_RAW                           510         select BOOT_RAW
520         select BUILTIN_DTB                        511         select BUILTIN_DTB
521         select CEVT_R4K                           512         select CEVT_R4K
522         select CLKSRC_MIPS_GIC                    513         select CLKSRC_MIPS_GIC
523         select COMMON_CLK                         514         select COMMON_CLK
524         select CSRC_R4K                           515         select CSRC_R4K
525         select DMA_NONCOHERENT                    516         select DMA_NONCOHERENT
526         select GENERIC_ISA_DMA                    517         select GENERIC_ISA_DMA
527         select HAVE_PCSPKR_PLATFORM               518         select HAVE_PCSPKR_PLATFORM
528         select HAVE_PCI                           519         select HAVE_PCI
529         select I8253                              520         select I8253
530         select I8259                              521         select I8259
531         select IRQ_MIPS_CPU                       522         select IRQ_MIPS_CPU
532         select MIPS_BONITO64                      523         select MIPS_BONITO64
533         select MIPS_CPU_SCACHE                    524         select MIPS_CPU_SCACHE
534         select MIPS_GIC                           525         select MIPS_GIC
535         select MIPS_L1_CACHE_SHIFT_6              526         select MIPS_L1_CACHE_SHIFT_6
536         select MIPS_MSC                           527         select MIPS_MSC
537         select PCI_GT64XXX_PCI0                   528         select PCI_GT64XXX_PCI0
538         select SMP_UP if SMP                      529         select SMP_UP if SMP
539         select SWAP_IO_SPACE                      530         select SWAP_IO_SPACE
540         select SYS_HAS_CPU_MIPS32_R1              531         select SYS_HAS_CPU_MIPS32_R1
541         select SYS_HAS_CPU_MIPS32_R2              532         select SYS_HAS_CPU_MIPS32_R2
542         select SYS_HAS_CPU_MIPS32_R3_5            533         select SYS_HAS_CPU_MIPS32_R3_5
543         select SYS_HAS_CPU_MIPS32_R5              534         select SYS_HAS_CPU_MIPS32_R5
544         select SYS_HAS_CPU_MIPS32_R6              535         select SYS_HAS_CPU_MIPS32_R6
545         select SYS_HAS_CPU_MIPS64_R1              536         select SYS_HAS_CPU_MIPS64_R1
546         select SYS_HAS_CPU_MIPS64_R2              537         select SYS_HAS_CPU_MIPS64_R2
547         select SYS_HAS_CPU_MIPS64_R6              538         select SYS_HAS_CPU_MIPS64_R6
548         select SYS_HAS_CPU_NEVADA                 539         select SYS_HAS_CPU_NEVADA
549         select SYS_HAS_CPU_RM7000                 540         select SYS_HAS_CPU_RM7000
550         select SYS_SUPPORTS_32BIT_KERNEL          541         select SYS_SUPPORTS_32BIT_KERNEL
551         select SYS_SUPPORTS_64BIT_KERNEL          542         select SYS_SUPPORTS_64BIT_KERNEL
552         select SYS_SUPPORTS_BIG_ENDIAN            543         select SYS_SUPPORTS_BIG_ENDIAN
553         select SYS_SUPPORTS_HIGHMEM               544         select SYS_SUPPORTS_HIGHMEM
554         select SYS_SUPPORTS_LITTLE_ENDIAN         545         select SYS_SUPPORTS_LITTLE_ENDIAN
555         select SYS_SUPPORTS_MICROMIPS             546         select SYS_SUPPORTS_MICROMIPS
556         select SYS_SUPPORTS_MIPS16                547         select SYS_SUPPORTS_MIPS16
557         select SYS_SUPPORTS_MIPS_CPS              548         select SYS_SUPPORTS_MIPS_CPS
558         select SYS_SUPPORTS_MULTITHREADING        549         select SYS_SUPPORTS_MULTITHREADING
559         select SYS_SUPPORTS_RELOCATABLE           550         select SYS_SUPPORTS_RELOCATABLE
560         select SYS_SUPPORTS_SMARTMIPS             551         select SYS_SUPPORTS_SMARTMIPS
561         select SYS_SUPPORTS_VPE_LOADER            552         select SYS_SUPPORTS_VPE_LOADER
562         select SYS_SUPPORTS_ZBOOT                 553         select SYS_SUPPORTS_ZBOOT
563         select USE_OF                             554         select USE_OF
564         select WAR_ICACHE_REFILLS                 555         select WAR_ICACHE_REFILLS
565         select ZONE_DMA32 if 64BIT                556         select ZONE_DMA32 if 64BIT
566         help                                      557         help
567           This enables support for the MIPS Te    558           This enables support for the MIPS Technologies Malta evaluation
568           board.                                  559           board.
569                                                   560 
570 config MACH_PIC32                                 561 config MACH_PIC32
571         bool "Microchip PIC32 Family"             562         bool "Microchip PIC32 Family"
572         help                                      563         help
573           This enables support for the Microch    564           This enables support for the Microchip PIC32 family of platforms.
574                                                   565 
575           Microchip PIC32 is a family of gener    566           Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576           microcontrollers.                       567           microcontrollers.
577                                                   568 
578 config EYEQ                                    << 
579         bool "Mobileye EyeQ SoC"               << 
580         select MACH_GENERIC_CORE               << 
581         select ARM_AMBA                        << 
582         select PHYSICAL_START_BOOL             << 
583         select ARCH_SPARSEMEM_DEFAULT if 64BIT << 
584         select BOOT_RAW                        << 
585         select BUILTIN_DTB                     << 
586         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                        << 
592         select DMA_NONCOHERENT                 << 
593         select HAVE_PCI                        << 
594         select IRQ_MIPS_CPU                    << 
595         select MIPS_AUTO_PFN_OFFSET            << 
596         select MIPS_CPU_SCACHE                 << 
597         select MIPS_GIC                        << 
598         select MIPS_L1_CACHE_SHIFT_7           << 
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                                   << 
618           Select this to build a kernel suppor << 
619                                                << 
620         bool                                   << 
621                                                << 
622 config MACH_NINTENDO64                            569 config MACH_NINTENDO64
623         bool "Nintendo 64 console"                570         bool "Nintendo 64 console"
624         select CEVT_R4K                           571         select CEVT_R4K
625         select CSRC_R4K                           572         select CSRC_R4K
626         select SYS_HAS_CPU_R4300                  573         select SYS_HAS_CPU_R4300
627         select SYS_SUPPORTS_BIG_ENDIAN            574         select SYS_SUPPORTS_BIG_ENDIAN
628         select SYS_SUPPORTS_ZBOOT                 575         select SYS_SUPPORTS_ZBOOT
629         select SYS_SUPPORTS_32BIT_KERNEL          576         select SYS_SUPPORTS_32BIT_KERNEL
630         select SYS_SUPPORTS_64BIT_KERNEL          577         select SYS_SUPPORTS_64BIT_KERNEL
631         select DMA_NONCOHERENT                    578         select DMA_NONCOHERENT
632         select IRQ_MIPS_CPU                       579         select IRQ_MIPS_CPU
633                                                   580 
634 config RALINK                                     581 config RALINK
635         bool "Ralink based machines"              582         bool "Ralink based machines"
636         select CEVT_R4K                           583         select CEVT_R4K
637         select COMMON_CLK                         584         select COMMON_CLK
638         select CSRC_R4K                           585         select CSRC_R4K
639         select BOOT_RAW                           586         select BOOT_RAW
640         select DMA_NONCOHERENT                    587         select DMA_NONCOHERENT
641         select IRQ_MIPS_CPU                       588         select IRQ_MIPS_CPU
642         select USE_OF                             589         select USE_OF
643         select SYS_HAS_CPU_MIPS32_R2              590         select SYS_HAS_CPU_MIPS32_R2
644         select SYS_SUPPORTS_32BIT_KERNEL          591         select SYS_SUPPORTS_32BIT_KERNEL
645         select SYS_SUPPORTS_LITTLE_ENDIAN         592         select SYS_SUPPORTS_LITTLE_ENDIAN
646         select SYS_SUPPORTS_MIPS16                593         select SYS_SUPPORTS_MIPS16
647         select SYS_SUPPORTS_ZBOOT                 594         select SYS_SUPPORTS_ZBOOT
648         select SYS_HAS_EARLY_PRINTK               595         select SYS_HAS_EARLY_PRINTK
649         select ARCH_HAS_RESET_CONTROLLER          596         select ARCH_HAS_RESET_CONTROLLER
650         select RESET_CONTROLLER                   597         select RESET_CONTROLLER
651                                                   598 
652 config MACH_REALTEK_RTL                           599 config MACH_REALTEK_RTL
653         bool "Realtek RTL838x/RTL839x based ma    600         bool "Realtek RTL838x/RTL839x based machines"
654         select MIPS_GENERIC                       601         select MIPS_GENERIC
655         select MACH_GENERIC_CORE               << 
656         select DMA_NONCOHERENT                    602         select DMA_NONCOHERENT
657         select IRQ_MIPS_CPU                       603         select IRQ_MIPS_CPU
658         select CSRC_R4K                           604         select CSRC_R4K
659         select CEVT_R4K                           605         select CEVT_R4K
660         select SYS_HAS_CPU_MIPS32_R1              606         select SYS_HAS_CPU_MIPS32_R1
661         select SYS_HAS_CPU_MIPS32_R2              607         select SYS_HAS_CPU_MIPS32_R2
662         select SYS_SUPPORTS_BIG_ENDIAN            608         select SYS_SUPPORTS_BIG_ENDIAN
663         select SYS_SUPPORTS_32BIT_KERNEL          609         select SYS_SUPPORTS_32BIT_KERNEL
664         select SYS_SUPPORTS_MIPS16                610         select SYS_SUPPORTS_MIPS16
665         select SYS_SUPPORTS_MULTITHREADING        611         select SYS_SUPPORTS_MULTITHREADING
666         select SYS_SUPPORTS_VPE_LOADER            612         select SYS_SUPPORTS_VPE_LOADER
667         select BOOT_RAW                           613         select BOOT_RAW
668         select PINCTRL                            614         select PINCTRL
669         select USE_OF                             615         select USE_OF
670         select REALTEK_OTTO_TIMER              << 
671                                                   616 
672 config SGI_IP22                                   617 config SGI_IP22
673         bool "SGI IP22 (Indy/Indigo2)"            618         bool "SGI IP22 (Indy/Indigo2)"
674         select ARC_MEMORY                         619         select ARC_MEMORY
675         select ARC_PROMLIB                        620         select ARC_PROMLIB
676         select FW_ARC                             621         select FW_ARC
677         select FW_ARC32                           622         select FW_ARC32
678         select ARCH_MIGHT_HAVE_PC_SERIO           623         select ARCH_MIGHT_HAVE_PC_SERIO
679         select BOOT_ELF32                         624         select BOOT_ELF32
680         select CEVT_R4K                           625         select CEVT_R4K
681         select CSRC_R4K                           626         select CSRC_R4K
682         select DEFAULT_SGI_PARTITION              627         select DEFAULT_SGI_PARTITION
683         select DMA_NONCOHERENT                    628         select DMA_NONCOHERENT
684         select HAVE_EISA                          629         select HAVE_EISA
685         select I8253                              630         select I8253
686         select I8259                              631         select I8259
687         select IP22_CPU_SCACHE                    632         select IP22_CPU_SCACHE
688         select IRQ_MIPS_CPU                       633         select IRQ_MIPS_CPU
689         select GENERIC_ISA_DMA_SUPPORT_BROKEN     634         select GENERIC_ISA_DMA_SUPPORT_BROKEN
690         select SGI_HAS_I8042                      635         select SGI_HAS_I8042
691         select SGI_HAS_INDYDOG                    636         select SGI_HAS_INDYDOG
692         select SGI_HAS_HAL2                       637         select SGI_HAS_HAL2
693         select SGI_HAS_SEEQ                       638         select SGI_HAS_SEEQ
694         select SGI_HAS_WD93                       639         select SGI_HAS_WD93
695         select SGI_HAS_ZILOG                      640         select SGI_HAS_ZILOG
696         select SWAP_IO_SPACE                      641         select SWAP_IO_SPACE
697         select SYS_HAS_CPU_R4X00                  642         select SYS_HAS_CPU_R4X00
698         select SYS_HAS_CPU_R5000                  643         select SYS_HAS_CPU_R5000
699         select SYS_HAS_EARLY_PRINTK               644         select SYS_HAS_EARLY_PRINTK
700         select SYS_SUPPORTS_32BIT_KERNEL          645         select SYS_SUPPORTS_32BIT_KERNEL
701         select SYS_SUPPORTS_64BIT_KERNEL          646         select SYS_SUPPORTS_64BIT_KERNEL
702         select SYS_SUPPORTS_BIG_ENDIAN            647         select SYS_SUPPORTS_BIG_ENDIAN
703         select WAR_R4600_V1_INDEX_ICACHEOP        648         select WAR_R4600_V1_INDEX_ICACHEOP
704         select WAR_R4600_V1_HIT_CACHEOP           649         select WAR_R4600_V1_HIT_CACHEOP
705         select WAR_R4600_V2_HIT_CACHEOP           650         select WAR_R4600_V2_HIT_CACHEOP
706         select MIPS_L1_CACHE_SHIFT_7              651         select MIPS_L1_CACHE_SHIFT_7
707         help                                      652         help
708           This are the SGI Indy, Challenge S a    653           This are the SGI Indy, Challenge S and Indigo2, as well as certain
709           OEM variants like the Tandem CMN B00    654           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710           that runs on these, say Y here.         655           that runs on these, say Y here.
711                                                   656 
712 config SGI_IP27                                   657 config SGI_IP27
713         bool "SGI IP27 (Origin200/2000)"          658         bool "SGI IP27 (Origin200/2000)"
714         select ARCH_HAS_PHYS_TO_DMA               659         select ARCH_HAS_PHYS_TO_DMA
715         select ARCH_SPARSEMEM_ENABLE              660         select ARCH_SPARSEMEM_ENABLE
716         select FW_ARC                             661         select FW_ARC
717         select FW_ARC64                           662         select FW_ARC64
718         select ARC_CMDLINE_ONLY                   663         select ARC_CMDLINE_ONLY
719         select BOOT_ELF64                         664         select BOOT_ELF64
720         select DEFAULT_SGI_PARTITION              665         select DEFAULT_SGI_PARTITION
721         select FORCE_PCI                          666         select FORCE_PCI
722         select SYS_HAS_EARLY_PRINTK               667         select SYS_HAS_EARLY_PRINTK
723         select HAVE_PCI                           668         select HAVE_PCI
724         select IRQ_MIPS_CPU                       669         select IRQ_MIPS_CPU
725         select IRQ_DOMAIN_HIERARCHY               670         select IRQ_DOMAIN_HIERARCHY
726         select NR_CPUS_DEFAULT_64                 671         select NR_CPUS_DEFAULT_64
727         select PCI_DRIVERS_GENERIC                672         select PCI_DRIVERS_GENERIC
728         select PCI_XTALK_BRIDGE                   673         select PCI_XTALK_BRIDGE
729         select SYS_HAS_CPU_R10000                 674         select SYS_HAS_CPU_R10000
730         select SYS_SUPPORTS_64BIT_KERNEL          675         select SYS_SUPPORTS_64BIT_KERNEL
731         select SYS_SUPPORTS_BIG_ENDIAN            676         select SYS_SUPPORTS_BIG_ENDIAN
732         select SYS_SUPPORTS_NUMA                  677         select SYS_SUPPORTS_NUMA
733         select SYS_SUPPORTS_SMP                   678         select SYS_SUPPORTS_SMP
734         select WAR_R10000_LLSC                    679         select WAR_R10000_LLSC
735         select MIPS_L1_CACHE_SHIFT_7              680         select MIPS_L1_CACHE_SHIFT_7
736         select NUMA                               681         select NUMA
                                                   >> 682         select HAVE_ARCH_NODEDATA_EXTENSION
737         help                                      683         help
738           This are the SGI Origin 200, Origin     684           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739           workstations.  To compile a Linux ke    685           workstations.  To compile a Linux kernel that runs on these, say Y
740           here.                                   686           here.
741                                                   687 
742 config SGI_IP28                                   688 config SGI_IP28
743         bool "SGI IP28 (Indigo2 R10k)"            689         bool "SGI IP28 (Indigo2 R10k)"
744         select ARC_MEMORY                         690         select ARC_MEMORY
745         select ARC_PROMLIB                        691         select ARC_PROMLIB
746         select FW_ARC                             692         select FW_ARC
747         select FW_ARC64                           693         select FW_ARC64
748         select ARCH_MIGHT_HAVE_PC_SERIO           694         select ARCH_MIGHT_HAVE_PC_SERIO
749         select BOOT_ELF64                         695         select BOOT_ELF64
750         select CEVT_R4K                           696         select CEVT_R4K
751         select CSRC_R4K                           697         select CSRC_R4K
752         select DEFAULT_SGI_PARTITION              698         select DEFAULT_SGI_PARTITION
753         select DMA_NONCOHERENT                    699         select DMA_NONCOHERENT
754         select GENERIC_ISA_DMA_SUPPORT_BROKEN     700         select GENERIC_ISA_DMA_SUPPORT_BROKEN
755         select IRQ_MIPS_CPU                       701         select IRQ_MIPS_CPU
756         select HAVE_EISA                          702         select HAVE_EISA
757         select I8253                              703         select I8253
758         select I8259                              704         select I8259
759         select SGI_HAS_I8042                      705         select SGI_HAS_I8042
760         select SGI_HAS_INDYDOG                    706         select SGI_HAS_INDYDOG
761         select SGI_HAS_HAL2                       707         select SGI_HAS_HAL2
762         select SGI_HAS_SEEQ                       708         select SGI_HAS_SEEQ
763         select SGI_HAS_WD93                       709         select SGI_HAS_WD93
764         select SGI_HAS_ZILOG                      710         select SGI_HAS_ZILOG
765         select SWAP_IO_SPACE                      711         select SWAP_IO_SPACE
766         select SYS_HAS_CPU_R10000                 712         select SYS_HAS_CPU_R10000
767         select SYS_HAS_EARLY_PRINTK               713         select SYS_HAS_EARLY_PRINTK
768         select SYS_SUPPORTS_64BIT_KERNEL          714         select SYS_SUPPORTS_64BIT_KERNEL
769         select SYS_SUPPORTS_BIG_ENDIAN            715         select SYS_SUPPORTS_BIG_ENDIAN
770         select WAR_R10000_LLSC                    716         select WAR_R10000_LLSC
771         select MIPS_L1_CACHE_SHIFT_7              717         select MIPS_L1_CACHE_SHIFT_7
772         help                                      718         help
773           This is the SGI Indigo2 with R10000     719           This is the SGI Indigo2 with R10000 processor.  To compile a Linux
774           kernel that runs on these, say Y her    720           kernel that runs on these, say Y here.
775                                                   721 
776 config SGI_IP30                                   722 config SGI_IP30
777         bool "SGI IP30 (Octane/Octane2)"          723         bool "SGI IP30 (Octane/Octane2)"
778         select ARCH_HAS_PHYS_TO_DMA               724         select ARCH_HAS_PHYS_TO_DMA
779         select FW_ARC                             725         select FW_ARC
780         select FW_ARC64                           726         select FW_ARC64
781         select BOOT_ELF64                         727         select BOOT_ELF64
782         select CEVT_R4K                           728         select CEVT_R4K
783         select CSRC_R4K                           729         select CSRC_R4K
784         select FORCE_PCI                          730         select FORCE_PCI
785         select SYNC_R4K if SMP                    731         select SYNC_R4K if SMP
786         select ZONE_DMA32                         732         select ZONE_DMA32
787         select HAVE_PCI                           733         select HAVE_PCI
788         select IRQ_MIPS_CPU                       734         select IRQ_MIPS_CPU
789         select IRQ_DOMAIN_HIERARCHY               735         select IRQ_DOMAIN_HIERARCHY
790         select PCI_DRIVERS_GENERIC                736         select PCI_DRIVERS_GENERIC
791         select PCI_XTALK_BRIDGE                   737         select PCI_XTALK_BRIDGE
792         select SYS_HAS_EARLY_PRINTK               738         select SYS_HAS_EARLY_PRINTK
793         select SYS_HAS_CPU_R10000                 739         select SYS_HAS_CPU_R10000
794         select SYS_SUPPORTS_64BIT_KERNEL          740         select SYS_SUPPORTS_64BIT_KERNEL
795         select SYS_SUPPORTS_BIG_ENDIAN            741         select SYS_SUPPORTS_BIG_ENDIAN
796         select SYS_SUPPORTS_SMP                   742         select SYS_SUPPORTS_SMP
797         select WAR_R10000_LLSC                    743         select WAR_R10000_LLSC
798         select MIPS_L1_CACHE_SHIFT_7              744         select MIPS_L1_CACHE_SHIFT_7
799         select ARC_MEMORY                         745         select ARC_MEMORY
800         help                                      746         help
801           These are the SGI Octane and Octane2    747           These are the SGI Octane and Octane2 graphics workstations.  To
802           compile a Linux kernel that runs on     748           compile a Linux kernel that runs on these, say Y here.
803                                                   749 
804 config SGI_IP32                                   750 config SGI_IP32
805         bool "SGI IP32 (O2)"                      751         bool "SGI IP32 (O2)"
806         select ARC_MEMORY                         752         select ARC_MEMORY
807         select ARC_PROMLIB                        753         select ARC_PROMLIB
808         select ARCH_HAS_PHYS_TO_DMA               754         select ARCH_HAS_PHYS_TO_DMA
809         select FW_ARC                             755         select FW_ARC
810         select FW_ARC32                           756         select FW_ARC32
811         select BOOT_ELF32                         757         select BOOT_ELF32
812         select CEVT_R4K                           758         select CEVT_R4K
813         select CSRC_R4K                           759         select CSRC_R4K
814         select DMA_NONCOHERENT                    760         select DMA_NONCOHERENT
815         select HAVE_PCI                           761         select HAVE_PCI
816         select IRQ_MIPS_CPU                       762         select IRQ_MIPS_CPU
817         select R5000_CPU_SCACHE                   763         select R5000_CPU_SCACHE
818         select RM7000_CPU_SCACHE                  764         select RM7000_CPU_SCACHE
819         select SYS_HAS_CPU_R5000                  765         select SYS_HAS_CPU_R5000
820         select SYS_HAS_CPU_R10000 if BROKEN       766         select SYS_HAS_CPU_R10000 if BROKEN
821         select SYS_HAS_CPU_RM7000                 767         select SYS_HAS_CPU_RM7000
822         select SYS_HAS_CPU_NEVADA                 768         select SYS_HAS_CPU_NEVADA
823         select SYS_SUPPORTS_64BIT_KERNEL          769         select SYS_SUPPORTS_64BIT_KERNEL
824         select SYS_SUPPORTS_BIG_ENDIAN            770         select SYS_SUPPORTS_BIG_ENDIAN
825         select WAR_ICACHE_REFILLS                 771         select WAR_ICACHE_REFILLS
826         help                                      772         help
827           If you want this kernel to run on SG    773           If you want this kernel to run on SGI O2 workstation, say Y here.
828                                                   774 
829 config SIBYTE_CRHONE                              775 config SIBYTE_CRHONE
830         bool "Sibyte BCM91125C-CRhone"            776         bool "Sibyte BCM91125C-CRhone"
831         select BOOT_ELF32                         777         select BOOT_ELF32
832         select SIBYTE_BCM1125                     778         select SIBYTE_BCM1125
833         select SWAP_IO_SPACE                      779         select SWAP_IO_SPACE
834         select SYS_HAS_CPU_SB1                    780         select SYS_HAS_CPU_SB1
835         select SYS_SUPPORTS_BIG_ENDIAN            781         select SYS_SUPPORTS_BIG_ENDIAN
836         select SYS_SUPPORTS_HIGHMEM               782         select SYS_SUPPORTS_HIGHMEM
837         select SYS_SUPPORTS_LITTLE_ENDIAN         783         select SYS_SUPPORTS_LITTLE_ENDIAN
838                                                   784 
839 config SIBYTE_RHONE                               785 config SIBYTE_RHONE
840         bool "Sibyte BCM91125E-Rhone"             786         bool "Sibyte BCM91125E-Rhone"
841         select BOOT_ELF32                         787         select BOOT_ELF32
842         select SIBYTE_SB1250                      788         select SIBYTE_SB1250
843         select SWAP_IO_SPACE                      789         select SWAP_IO_SPACE
844         select SYS_HAS_CPU_SB1                    790         select SYS_HAS_CPU_SB1
845         select SYS_SUPPORTS_BIG_ENDIAN            791         select SYS_SUPPORTS_BIG_ENDIAN
846         select SYS_SUPPORTS_LITTLE_ENDIAN         792         select SYS_SUPPORTS_LITTLE_ENDIAN
847                                                   793 
848 config SIBYTE_SWARM                               794 config SIBYTE_SWARM
849         bool "Sibyte BCM91250A-SWARM"             795         bool "Sibyte BCM91250A-SWARM"
850         select BOOT_ELF32                         796         select BOOT_ELF32
851         select HAVE_PATA_PLATFORM                 797         select HAVE_PATA_PLATFORM
852         select SIBYTE_SB1250                      798         select SIBYTE_SB1250
853         select SWAP_IO_SPACE                      799         select SWAP_IO_SPACE
854         select SYS_HAS_CPU_SB1                    800         select SYS_HAS_CPU_SB1
855         select SYS_SUPPORTS_BIG_ENDIAN            801         select SYS_SUPPORTS_BIG_ENDIAN
856         select SYS_SUPPORTS_HIGHMEM               802         select SYS_SUPPORTS_HIGHMEM
857         select SYS_SUPPORTS_LITTLE_ENDIAN         803         select SYS_SUPPORTS_LITTLE_ENDIAN
858         select ZONE_DMA32 if 64BIT                804         select ZONE_DMA32 if 64BIT
859         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    805         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860                                                   806 
861 config SIBYTE_LITTLESUR                           807 config SIBYTE_LITTLESUR
862         bool "Sibyte BCM91250C2-LittleSur"        808         bool "Sibyte BCM91250C2-LittleSur"
863         select BOOT_ELF32                         809         select BOOT_ELF32
864         select HAVE_PATA_PLATFORM                 810         select HAVE_PATA_PLATFORM
865         select SIBYTE_SB1250                      811         select SIBYTE_SB1250
866         select SWAP_IO_SPACE                      812         select SWAP_IO_SPACE
867         select SYS_HAS_CPU_SB1                    813         select SYS_HAS_CPU_SB1
868         select SYS_SUPPORTS_BIG_ENDIAN            814         select SYS_SUPPORTS_BIG_ENDIAN
869         select SYS_SUPPORTS_HIGHMEM               815         select SYS_SUPPORTS_HIGHMEM
870         select SYS_SUPPORTS_LITTLE_ENDIAN         816         select SYS_SUPPORTS_LITTLE_ENDIAN
871         select ZONE_DMA32 if 64BIT                817         select ZONE_DMA32 if 64BIT
872                                                   818 
873 config SIBYTE_SENTOSA                             819 config SIBYTE_SENTOSA
874         bool "Sibyte BCM91250E-Sentosa"           820         bool "Sibyte BCM91250E-Sentosa"
875         select BOOT_ELF32                         821         select BOOT_ELF32
876         select SIBYTE_SB1250                      822         select SIBYTE_SB1250
877         select SWAP_IO_SPACE                      823         select SWAP_IO_SPACE
878         select SYS_HAS_CPU_SB1                    824         select SYS_HAS_CPU_SB1
879         select SYS_SUPPORTS_BIG_ENDIAN            825         select SYS_SUPPORTS_BIG_ENDIAN
880         select SYS_SUPPORTS_LITTLE_ENDIAN         826         select SYS_SUPPORTS_LITTLE_ENDIAN
881         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    827         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882                                                   828 
883 config SIBYTE_BIGSUR                              829 config SIBYTE_BIGSUR
884         bool "Sibyte BCM91480B-BigSur"            830         bool "Sibyte BCM91480B-BigSur"
885         select BOOT_ELF32                         831         select BOOT_ELF32
886         select NR_CPUS_DEFAULT_4                  832         select NR_CPUS_DEFAULT_4
887         select SIBYTE_BCM1x80                     833         select SIBYTE_BCM1x80
888         select SWAP_IO_SPACE                      834         select SWAP_IO_SPACE
889         select SYS_HAS_CPU_SB1                    835         select SYS_HAS_CPU_SB1
890         select SYS_SUPPORTS_BIG_ENDIAN            836         select SYS_SUPPORTS_BIG_ENDIAN
891         select SYS_SUPPORTS_HIGHMEM               837         select SYS_SUPPORTS_HIGHMEM
892         select SYS_SUPPORTS_LITTLE_ENDIAN         838         select SYS_SUPPORTS_LITTLE_ENDIAN
893         select ZONE_DMA32 if 64BIT                839         select ZONE_DMA32 if 64BIT
894         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    840         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895                                                   841 
896 config SNI_RM                                     842 config SNI_RM
897         bool "SNI RM200/300/400"                  843         bool "SNI RM200/300/400"
898         select ARC_MEMORY                         844         select ARC_MEMORY
899         select ARC_PROMLIB                        845         select ARC_PROMLIB
900         select FW_ARC if CPU_LITTLE_ENDIAN        846         select FW_ARC if CPU_LITTLE_ENDIAN
901         select FW_ARC32 if CPU_LITTLE_ENDIAN      847         select FW_ARC32 if CPU_LITTLE_ENDIAN
902         select FW_SNIPROM if CPU_BIG_ENDIAN       848         select FW_SNIPROM if CPU_BIG_ENDIAN
903         select ARCH_MAY_HAVE_PC_FDC               849         select ARCH_MAY_HAVE_PC_FDC
904         select ARCH_MIGHT_HAVE_PC_PARPORT         850         select ARCH_MIGHT_HAVE_PC_PARPORT
905         select ARCH_MIGHT_HAVE_PC_SERIO           851         select ARCH_MIGHT_HAVE_PC_SERIO
906         select BOOT_ELF32                         852         select BOOT_ELF32
907         select CEVT_R4K                           853         select CEVT_R4K
908         select CSRC_R4K                           854         select CSRC_R4K
909         select DEFAULT_SGI_PARTITION if CPU_BI    855         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910         select DMA_NONCOHERENT                    856         select DMA_NONCOHERENT
911         select GENERIC_ISA_DMA                    857         select GENERIC_ISA_DMA
912         select HAVE_EISA                          858         select HAVE_EISA
913         select HAVE_PCSPKR_PLATFORM               859         select HAVE_PCSPKR_PLATFORM
914         select HAVE_PCI                           860         select HAVE_PCI
915         select IRQ_MIPS_CPU                       861         select IRQ_MIPS_CPU
916         select I8253                              862         select I8253
917         select I8259                              863         select I8259
918         select ISA                                864         select ISA
919         select MIPS_L1_CACHE_SHIFT_6              865         select MIPS_L1_CACHE_SHIFT_6
920         select SWAP_IO_SPACE if CPU_BIG_ENDIAN    866         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921         select SYS_HAS_CPU_R4X00                  867         select SYS_HAS_CPU_R4X00
922         select SYS_HAS_CPU_R5000                  868         select SYS_HAS_CPU_R5000
923         select SYS_HAS_CPU_R10000                 869         select SYS_HAS_CPU_R10000
924         select R5000_CPU_SCACHE                   870         select R5000_CPU_SCACHE
925         select SYS_HAS_EARLY_PRINTK               871         select SYS_HAS_EARLY_PRINTK
926         select SYS_SUPPORTS_32BIT_KERNEL          872         select SYS_SUPPORTS_32BIT_KERNEL
927         select SYS_SUPPORTS_64BIT_KERNEL          873         select SYS_SUPPORTS_64BIT_KERNEL
928         select SYS_SUPPORTS_BIG_ENDIAN            874         select SYS_SUPPORTS_BIG_ENDIAN
929         select SYS_SUPPORTS_HIGHMEM               875         select SYS_SUPPORTS_HIGHMEM
930         select SYS_SUPPORTS_LITTLE_ENDIAN         876         select SYS_SUPPORTS_LITTLE_ENDIAN
931         select WAR_R4600_V2_HIT_CACHEOP           877         select WAR_R4600_V2_HIT_CACHEOP
932         help                                      878         help
933           The SNI RM200/300/400 are MIPS-based    879           The SNI RM200/300/400 are MIPS-based machines manufactured by
934           Siemens Nixdorf Informationssysteme     880           Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935           Technology and now in turn merged wi    881           Technology and now in turn merged with Fujitsu.  Say Y here to
936           support this machine type.              882           support this machine type.
937                                                   883 
938 config MACH_TX49XX                                884 config MACH_TX49XX
939         bool "Toshiba TX49 series based machin    885         bool "Toshiba TX49 series based machines"
940         select WAR_TX49XX_ICACHE_INDEX_INV        886         select WAR_TX49XX_ICACHE_INDEX_INV
941                                                   887 
942 config MIKROTIK_RB532                             888 config MIKROTIK_RB532
943         bool "Mikrotik RB532 boards"              889         bool "Mikrotik RB532 boards"
944         select CEVT_R4K                           890         select CEVT_R4K
945         select CSRC_R4K                           891         select CSRC_R4K
946         select DMA_NONCOHERENT                    892         select DMA_NONCOHERENT
947         select HAVE_PCI                           893         select HAVE_PCI
948         select IRQ_MIPS_CPU                       894         select IRQ_MIPS_CPU
949         select SYS_HAS_CPU_MIPS32_R1              895         select SYS_HAS_CPU_MIPS32_R1
950         select SYS_SUPPORTS_32BIT_KERNEL          896         select SYS_SUPPORTS_32BIT_KERNEL
951         select SYS_SUPPORTS_LITTLE_ENDIAN         897         select SYS_SUPPORTS_LITTLE_ENDIAN
952         select SWAP_IO_SPACE                      898         select SWAP_IO_SPACE
953         select BOOT_RAW                           899         select BOOT_RAW
954         select GPIOLIB                            900         select GPIOLIB
955         select MIPS_L1_CACHE_SHIFT_4              901         select MIPS_L1_CACHE_SHIFT_4
956         help                                      902         help
957           Support the Mikrotik(tm) RouterBoard    903           Support the Mikrotik(tm) RouterBoard 532 series,
958           based on the IDT RC32434 SoC.           904           based on the IDT RC32434 SoC.
959                                                   905 
960 config CAVIUM_OCTEON_SOC                          906 config CAVIUM_OCTEON_SOC
961         bool "Cavium Networks Octeon SoC based    907         bool "Cavium Networks Octeon SoC based boards"
962         select CEVT_R4K                           908         select CEVT_R4K
963         select ARCH_HAS_PHYS_TO_DMA               909         select ARCH_HAS_PHYS_TO_DMA
964         select HAVE_RAPIDIO                       910         select HAVE_RAPIDIO
965         select PHYS_ADDR_T_64BIT                  911         select PHYS_ADDR_T_64BIT
966         select SYS_SUPPORTS_64BIT_KERNEL          912         select SYS_SUPPORTS_64BIT_KERNEL
967         select SYS_SUPPORTS_BIG_ENDIAN            913         select SYS_SUPPORTS_BIG_ENDIAN
968         select EDAC_SUPPORT                       914         select EDAC_SUPPORT
969         select EDAC_ATOMIC_SCRUB                  915         select EDAC_ATOMIC_SCRUB
970         select SYS_SUPPORTS_LITTLE_ENDIAN         916         select SYS_SUPPORTS_LITTLE_ENDIAN
971         select SYS_SUPPORTS_HOTPLUG_CPU if CPU    917         select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972         select SYS_HAS_EARLY_PRINTK               918         select SYS_HAS_EARLY_PRINTK
973         select SYS_HAS_CPU_CAVIUM_OCTEON          919         select SYS_HAS_CPU_CAVIUM_OCTEON
974         select HAVE_PCI                           920         select HAVE_PCI
975         select HAVE_PLAT_DELAY                    921         select HAVE_PLAT_DELAY
976         select HAVE_PLAT_FW_INIT_CMDLINE          922         select HAVE_PLAT_FW_INIT_CMDLINE
977         select HAVE_PLAT_MEMCPY                   923         select HAVE_PLAT_MEMCPY
978         select ZONE_DMA32                         924         select ZONE_DMA32
979         select GPIOLIB                            925         select GPIOLIB
980         select USE_OF                             926         select USE_OF
981         select ARCH_SPARSEMEM_ENABLE              927         select ARCH_SPARSEMEM_ENABLE
982         select SYS_SUPPORTS_SMP                   928         select SYS_SUPPORTS_SMP
983         select NR_CPUS_DEFAULT_64                 929         select NR_CPUS_DEFAULT_64
984         select MIPS_NR_CPU_NR_MAP_1024            930         select MIPS_NR_CPU_NR_MAP_1024
985         select BUILTIN_DTB                        931         select BUILTIN_DTB
986         select MTD                                932         select MTD
987         select MTD_COMPLEX_MAPPINGS               933         select MTD_COMPLEX_MAPPINGS
988         select SWIOTLB                            934         select SWIOTLB
989         select SYS_SUPPORTS_RELOCATABLE           935         select SYS_SUPPORTS_RELOCATABLE
990         help                                      936         help
991           This option supports all of the Octe    937           This option supports all of the Octeon reference boards from Cavium
992           Networks. It builds a kernel that dy    938           Networks. It builds a kernel that dynamically determines the Octeon
993           CPU type and supports all known boar    939           CPU type and supports all known board reference implementations.
994           Some of the supported boards are:       940           Some of the supported boards are:
995                 EBT3000                           941                 EBT3000
996                 EBH3000                           942                 EBH3000
997                 EBH3100                           943                 EBH3100
998                 Thunder                           944                 Thunder
999                 Kodama                            945                 Kodama
1000                 Hikari                           946                 Hikari
1001           Say Y here for most Octeon referenc    947           Say Y here for most Octeon reference boards.
1002                                                  948 
1003 endchoice                                        949 endchoice
1004                                                  950 
1005 config FIT_IMAGE_FDT_EPM5                     << 
1006         bool "Include FDT for Mobileye EyeQ5  << 
1007         depends on MACH_EYEQ5                 << 
1008         default n                             << 
1009         help                                  << 
1010           Enable this to include the FDT for  << 
1011           from Mobileye in the FIT kernel ima << 
1012           This requires u-boot on the platfor << 
1013                                               << 
1014 source "arch/mips/alchemy/Kconfig"               951 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig"                 952 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig"                 953 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig"               954 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig"               955 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig"                 956 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig"               957 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig"               958 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig"                  959 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig"                960 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig"           << 
1025 source "arch/mips/pic32/Kconfig"                 961 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig"                962 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig"              963 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig"                964 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig"                  965 source "arch/mips/txx9/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig"         966 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig"           967 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig"            968 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig"            969 source "arch/mips/loongson64/Kconfig"
1034                                                  970 
1035 endmenu                                          971 endmenu
1036                                                  972 
1037 config GENERIC_HWEIGHT                           973 config GENERIC_HWEIGHT
1038         bool                                     974         bool
1039         default y                                975         default y
1040                                                  976 
1041 config GENERIC_CALIBRATE_DELAY                   977 config GENERIC_CALIBRATE_DELAY
1042         bool                                     978         bool
1043         default y                                979         default y
1044                                                  980 
1045 config SCHED_OMIT_FRAME_POINTER                  981 config SCHED_OMIT_FRAME_POINTER
1046         bool                                     982         bool
1047         default y                                983         default y
1048                                                  984 
1049 #                                                985 #
1050 # Select some configuration options automatic    986 # Select some configuration options automatically based on user selections.
1051 #                                                987 #
1052 config FW_ARC                                    988 config FW_ARC
1053         bool                                     989         bool
1054                                                  990 
1055 config ARCH_MAY_HAVE_PC_FDC                      991 config ARCH_MAY_HAVE_PC_FDC
1056         bool                                     992         bool
1057                                                  993 
1058 config BOOT_RAW                                  994 config BOOT_RAW
1059         bool                                     995         bool
1060                                                  996 
1061 config CEVT_BCM1480                              997 config CEVT_BCM1480
1062         bool                                     998         bool
1063                                                  999 
1064 config CEVT_DS1287                               1000 config CEVT_DS1287
1065         bool                                     1001         bool
1066                                                  1002 
1067 config CEVT_GT641XX                              1003 config CEVT_GT641XX
1068         bool                                     1004         bool
1069                                                  1005 
1070 config CEVT_R4K                                  1006 config CEVT_R4K
1071         bool                                     1007         bool
1072                                                  1008 
1073 config CEVT_SB1250                               1009 config CEVT_SB1250
1074         bool                                     1010         bool
1075                                                  1011 
1076 config CEVT_TXX9                                 1012 config CEVT_TXX9
1077         bool                                     1013         bool
1078                                                  1014 
1079 config CSRC_BCM1480                              1015 config CSRC_BCM1480
1080         bool                                     1016         bool
1081                                                  1017 
1082 config CSRC_IOASIC                               1018 config CSRC_IOASIC
1083         bool                                     1019         bool
1084                                                  1020 
1085 config CSRC_R4K                                  1021 config CSRC_R4K
1086         select CLOCKSOURCE_WATCHDOG if CPU_FR    1022         select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087         select HAVE_UNSTABLE_SCHED_CLOCK if S << 
1088         bool                                     1023         bool
1089                                                  1024 
1090 config CSRC_SB1250                               1025 config CSRC_SB1250
1091         bool                                     1026         bool
1092                                                  1027 
1093 config MIPS_CLOCK_VSYSCALL                       1028 config MIPS_CLOCK_VSYSCALL
1094         def_bool CSRC_R4K || CLKSRC_MIPS_GIC     1029         def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095                                                  1030 
1096 config GPIO_TXX9                                 1031 config GPIO_TXX9
1097         select GPIOLIB                           1032         select GPIOLIB
1098         bool                                     1033         bool
1099                                                  1034 
1100 config FW_CFE                                    1035 config FW_CFE
1101         bool                                     1036         bool
1102                                                  1037 
1103 config ARCH_SUPPORTS_UPROBES                     1038 config ARCH_SUPPORTS_UPROBES
1104         def_bool y                               1039         def_bool y
1105                                                  1040 
1106 config DMA_NONCOHERENT                           1041 config DMA_NONCOHERENT
1107         bool                                     1042         bool
1108         #                                        1043         #
1109         # MIPS allows mixing "slightly differ    1044         # MIPS allows mixing "slightly different" Cacheability and Coherency
1110         # Attribute bits.  It is believed tha    1045         # Attribute bits.  It is believed that the uncached access through
1111         # KSEG1 and the implementation specif    1046         # KSEG1 and the implementation specific "uncached accelerated" used
1112         # by pgprot_writcombine can be mixed,    1047         # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113         # significant advantages.                1048         # significant advantages.
1114         #                                        1049         #
1115         select ARCH_HAS_SETUP_DMA_OPS            1050         select ARCH_HAS_SETUP_DMA_OPS
1116         select ARCH_HAS_DMA_WRITE_COMBINE        1051         select ARCH_HAS_DMA_WRITE_COMBINE
1117         select ARCH_HAS_DMA_PREP_COHERENT        1052         select ARCH_HAS_DMA_PREP_COHERENT
1118         select ARCH_HAS_SYNC_DMA_FOR_CPU         1053         select ARCH_HAS_SYNC_DMA_FOR_CPU
1119         select ARCH_HAS_SYNC_DMA_FOR_DEVICE      1054         select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120         select ARCH_HAS_DMA_SET_UNCACHED         1055         select ARCH_HAS_DMA_SET_UNCACHED
1121         select DMA_NONCOHERENT_MMAP              1056         select DMA_NONCOHERENT_MMAP
1122         select NEED_DMA_MAP_STATE                1057         select NEED_DMA_MAP_STATE
1123                                                  1058 
1124 config SYS_HAS_EARLY_PRINTK                      1059 config SYS_HAS_EARLY_PRINTK
1125         bool                                     1060         bool
1126                                                  1061 
1127 config SYS_SUPPORTS_HOTPLUG_CPU                  1062 config SYS_SUPPORTS_HOTPLUG_CPU
1128         bool                                     1063         bool
1129                                                  1064 
1130 config MIPS_BONITO64                             1065 config MIPS_BONITO64
1131         bool                                     1066         bool
1132                                                  1067 
1133 config MIPS_MSC                                  1068 config MIPS_MSC
1134         bool                                     1069         bool
1135                                                  1070 
1136 config SYNC_R4K                                  1071 config SYNC_R4K
1137         bool                                     1072         bool
1138                                                  1073 
1139 config NO_IOPORT_MAP                             1074 config NO_IOPORT_MAP
1140         def_bool n                               1075         def_bool n
1141                                                  1076 
1142 config GENERIC_CSUM                              1077 config GENERIC_CSUM
1143         def_bool CPU_NO_LOAD_STORE_LR            1078         def_bool CPU_NO_LOAD_STORE_LR
1144                                                  1079 
1145 config GENERIC_ISA_DMA                           1080 config GENERIC_ISA_DMA
1146         bool                                     1081         bool
1147         select ZONE_DMA if GENERIC_ISA_DMA_SU    1082         select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148         select ISA_DMA_API                       1083         select ISA_DMA_API
1149                                                  1084 
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN            1085 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151         bool                                     1086         bool
1152         select GENERIC_ISA_DMA                   1087         select GENERIC_ISA_DMA
1153                                                  1088 
1154 config HAVE_PLAT_DELAY                           1089 config HAVE_PLAT_DELAY
1155         bool                                     1090         bool
1156                                                  1091 
1157 config HAVE_PLAT_FW_INIT_CMDLINE                 1092 config HAVE_PLAT_FW_INIT_CMDLINE
1158         bool                                     1093         bool
1159                                                  1094 
1160 config HAVE_PLAT_MEMCPY                          1095 config HAVE_PLAT_MEMCPY
1161         bool                                     1096         bool
1162                                                  1097 
1163 config ISA_DMA_API                               1098 config ISA_DMA_API
1164         bool                                     1099         bool
1165                                                  1100 
1166 config SYS_SUPPORTS_RELOCATABLE                  1101 config SYS_SUPPORTS_RELOCATABLE
1167         bool                                     1102         bool
1168         help                                     1103         help
1169           Selected if the platform supports r    1104           Selected if the platform supports relocating the kernel.
1170           The platform must provide plat_get_    1105           The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171           to allow access to command line and    1106           to allow access to command line and entropy sources.
1172                                                  1107 
1173 #                                                1108 #
1174 # Endianness selection.  Sufficiently obscure    1109 # Endianness selection.  Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl    1110 # answer,so we try hard to limit the available choices.  Also the use of a
1176 # choice statement should be more obvious to     1111 # choice statement should be more obvious to the user.
1177 #                                                1112 #
1178 choice                                           1113 choice
1179         prompt "Endianness selection"            1114         prompt "Endianness selection"
1180         help                                     1115         help
1181           Some MIPS machines can be configure    1116           Some MIPS machines can be configured for either little or big endian
1182           byte order. These modes require dif    1117           byte order. These modes require different kernels and a different
1183           Linux distribution.  In general the    1118           Linux distribution.  In general there is one preferred byteorder for a
1184           particular system but some systems     1119           particular system but some systems are just as commonly used in the
1185           one or the other endianness.           1120           one or the other endianness.
1186                                                  1121 
1187 config CPU_BIG_ENDIAN                            1122 config CPU_BIG_ENDIAN
1188         bool "Big endian"                        1123         bool "Big endian"
1189         depends on SYS_SUPPORTS_BIG_ENDIAN       1124         depends on SYS_SUPPORTS_BIG_ENDIAN
1190                                                  1125 
1191 config CPU_LITTLE_ENDIAN                         1126 config CPU_LITTLE_ENDIAN
1192         bool "Little endian"                     1127         bool "Little endian"
1193         depends on SYS_SUPPORTS_LITTLE_ENDIAN    1128         depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194                                                  1129 
1195 endchoice                                        1130 endchoice
1196                                                  1131 
1197 config EXPORT_UASM                               1132 config EXPORT_UASM
1198         bool                                     1133         bool
1199                                                  1134 
1200 config SYS_SUPPORTS_APM_EMULATION                1135 config SYS_SUPPORTS_APM_EMULATION
1201         bool                                     1136         bool
1202                                                  1137 
1203 config SYS_SUPPORTS_BIG_ENDIAN                   1138 config SYS_SUPPORTS_BIG_ENDIAN
1204         bool                                     1139         bool
1205                                                  1140 
1206 config SYS_SUPPORTS_LITTLE_ENDIAN                1141 config SYS_SUPPORTS_LITTLE_ENDIAN
1207         bool                                     1142         bool
1208                                                  1143 
1209 config MIPS_HUGE_TLB_SUPPORT                     1144 config MIPS_HUGE_TLB_SUPPORT
1210         def_bool HUGETLB_PAGE || TRANSPARENT_    1145         def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211                                                  1146 
1212 config IRQ_TXX9                                  1147 config IRQ_TXX9
1213         bool                                     1148         bool
1214                                                  1149 
1215 config IRQ_GT641XX                               1150 config IRQ_GT641XX
1216         bool                                     1151         bool
1217                                                  1152 
1218 config PCI_GT64XXX_PCI0                          1153 config PCI_GT64XXX_PCI0
1219         bool                                     1154         bool
1220                                                  1155 
1221 config PCI_XTALK_BRIDGE                          1156 config PCI_XTALK_BRIDGE
1222         bool                                     1157         bool
1223                                                  1158 
1224 config NO_EXCEPT_FILL                            1159 config NO_EXCEPT_FILL
1225         bool                                     1160         bool
1226                                                  1161 
1227 config MIPS_SPRAM                                1162 config MIPS_SPRAM
1228         bool                                     1163         bool
1229                                                  1164 
1230 config SWAP_IO_SPACE                             1165 config SWAP_IO_SPACE
1231         bool                                     1166         bool
1232                                                  1167 
1233 config SGI_HAS_INDYDOG                           1168 config SGI_HAS_INDYDOG
1234         bool                                     1169         bool
1235                                                  1170 
1236 config SGI_HAS_HAL2                              1171 config SGI_HAS_HAL2
1237         bool                                     1172         bool
1238                                                  1173 
1239 config SGI_HAS_SEEQ                              1174 config SGI_HAS_SEEQ
1240         bool                                     1175         bool
1241                                                  1176 
1242 config SGI_HAS_WD93                              1177 config SGI_HAS_WD93
1243         bool                                     1178         bool
1244                                                  1179 
1245 config SGI_HAS_ZILOG                             1180 config SGI_HAS_ZILOG
1246         bool                                     1181         bool
1247                                                  1182 
1248 config SGI_HAS_I8042                             1183 config SGI_HAS_I8042
1249         bool                                     1184         bool
1250                                                  1185 
1251 config DEFAULT_SGI_PARTITION                     1186 config DEFAULT_SGI_PARTITION
1252         bool                                     1187         bool
1253                                                  1188 
1254 config FW_ARC32                                  1189 config FW_ARC32
1255         bool                                     1190         bool
1256                                                  1191 
1257 config FW_SNIPROM                                1192 config FW_SNIPROM
1258         bool                                     1193         bool
1259                                                  1194 
1260 config BOOT_ELF32                                1195 config BOOT_ELF32
1261         bool                                     1196         bool
1262                                                  1197 
1263 config MIPS_L1_CACHE_SHIFT_4                     1198 config MIPS_L1_CACHE_SHIFT_4
1264         bool                                     1199         bool
1265                                                  1200 
1266 config MIPS_L1_CACHE_SHIFT_5                     1201 config MIPS_L1_CACHE_SHIFT_5
1267         bool                                     1202         bool
1268                                                  1203 
1269 config MIPS_L1_CACHE_SHIFT_6                     1204 config MIPS_L1_CACHE_SHIFT_6
1270         bool                                     1205         bool
1271                                                  1206 
1272 config MIPS_L1_CACHE_SHIFT_7                     1207 config MIPS_L1_CACHE_SHIFT_7
1273         bool                                     1208         bool
1274                                                  1209 
1275 config MIPS_L1_CACHE_SHIFT                       1210 config MIPS_L1_CACHE_SHIFT
1276         int                                      1211         int
1277         default "7" if MIPS_L1_CACHE_SHIFT_7     1212         default "7" if MIPS_L1_CACHE_SHIFT_7
1278         default "6" if MIPS_L1_CACHE_SHIFT_6     1213         default "6" if MIPS_L1_CACHE_SHIFT_6
1279         default "5" if MIPS_L1_CACHE_SHIFT_5     1214         default "5" if MIPS_L1_CACHE_SHIFT_5
1280         default "4" if MIPS_L1_CACHE_SHIFT_4     1215         default "4" if MIPS_L1_CACHE_SHIFT_4
1281         default "5"                              1216         default "5"
1282                                                  1217 
1283 config ARC_CMDLINE_ONLY                          1218 config ARC_CMDLINE_ONLY
1284         bool                                     1219         bool
1285                                                  1220 
1286 config ARC_CONSOLE                               1221 config ARC_CONSOLE
1287         bool "ARC console support"               1222         bool "ARC console support"
1288         depends on SGI_IP22 || SGI_IP28 || (S    1223         depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289                                                  1224 
1290 config ARC_MEMORY                                1225 config ARC_MEMORY
1291         bool                                     1226         bool
1292                                                  1227 
1293 config ARC_PROMLIB                               1228 config ARC_PROMLIB
1294         bool                                     1229         bool
1295                                                  1230 
1296 config FW_ARC64                                  1231 config FW_ARC64
1297         bool                                     1232         bool
1298                                                  1233 
1299 config BOOT_ELF64                                1234 config BOOT_ELF64
1300         bool                                     1235         bool
1301                                                  1236 
1302 menu "CPU selection"                             1237 menu "CPU selection"
1303                                                  1238 
1304 choice                                           1239 choice
1305         prompt "CPU type"                        1240         prompt "CPU type"
1306         default CPU_R4X00                        1241         default CPU_R4X00
1307                                                  1242 
1308 config CPU_LOONGSON64                            1243 config CPU_LOONGSON64
1309         bool "Loongson 64-bit CPU"               1244         bool "Loongson 64-bit CPU"
1310         depends on SYS_HAS_CPU_LOONGSON64        1245         depends on SYS_HAS_CPU_LOONGSON64
1311         select ARCH_HAS_PHYS_TO_DMA              1246         select ARCH_HAS_PHYS_TO_DMA
1312         select CPU_MIPSR2                        1247         select CPU_MIPSR2
1313         select CPU_HAS_PREFETCH                  1248         select CPU_HAS_PREFETCH
1314         select CPU_SUPPORTS_64BIT_KERNEL         1249         select CPU_SUPPORTS_64BIT_KERNEL
1315         select CPU_SUPPORTS_HIGHMEM              1250         select CPU_SUPPORTS_HIGHMEM
1316         select CPU_SUPPORTS_HUGEPAGES            1251         select CPU_SUPPORTS_HUGEPAGES
1317         select CPU_SUPPORTS_MSA                  1252         select CPU_SUPPORTS_MSA
1318         select CPU_SUPPORTS_VZ                << 
1319         select CPU_DIEI_BROKEN if !LOONGSON3_    1253         select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320         select CPU_MIPSR2_IRQ_VI                 1254         select CPU_MIPSR2_IRQ_VI
1321         select DMA_NONCOHERENT                   1255         select DMA_NONCOHERENT
1322         select WEAK_ORDERING                     1256         select WEAK_ORDERING
1323         select WEAK_REORDERING_BEYOND_LLSC       1257         select WEAK_REORDERING_BEYOND_LLSC
1324         select MIPS_ASID_BITS_VARIABLE           1258         select MIPS_ASID_BITS_VARIABLE
1325         select MIPS_PGD_C0_CONTEXT               1259         select MIPS_PGD_C0_CONTEXT
1326         select MIPS_L1_CACHE_SHIFT_6             1260         select MIPS_L1_CACHE_SHIFT_6
1327         select MIPS_FP_SUPPORT                   1261         select MIPS_FP_SUPPORT
1328         select GPIOLIB                           1262         select GPIOLIB
1329         select SWIOTLB                           1263         select SWIOTLB
                                                   >> 1264         select HAVE_KVM
1330         help                                     1265         help
1331           The Loongson GSx64(GS264/GS464/GS46    1266           The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332           cores implements the MIPS64R2 instr    1267           cores implements the MIPS64R2 instruction set with many extensions,
1333           including most 64-bit Loongson-2 (2    1268           including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334           3B1000, 3B1500, 3A2000, 3A3000 and     1269           3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335           Loongson-2E/2F is not covered here     1270           Loongson-2E/2F is not covered here and will be removed in future.
1336                                                  1271 
                                                   >> 1272 config LOONGSON3_ENHANCEMENT
                                                   >> 1273         bool "New Loongson-3 CPU Enhancements"
                                                   >> 1274         default n
                                                   >> 1275         depends on CPU_LOONGSON64
                                                   >> 1276         help
                                                   >> 1277           New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
                                                   >> 1278           R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
                                                   >> 1279           FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
                                                   >> 1280           Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
                                                   >> 1281           Fast TLB refill support, etc.
                                                   >> 1282 
                                                   >> 1283           This option enable those enhancements which are not probed at run
                                                   >> 1284           time. If you want a generic kernel to run on all Loongson 3 machines,
                                                   >> 1285           please say 'N' here. If you want a high-performance kernel to run on
                                                   >> 1286           new Loongson-3 machines only, please say 'Y' here.
                                                   >> 1287 
                                                   >> 1288 config CPU_LOONGSON3_WORKAROUNDS
                                                   >> 1289         bool "Loongson-3 LLSC Workarounds"
                                                   >> 1290         default y if SMP
                                                   >> 1291         depends on CPU_LOONGSON64
                                                   >> 1292         help
                                                   >> 1293           Loongson-3 processors have the llsc issues which require workarounds.
                                                   >> 1294           Without workarounds the system may hang unexpectedly.
                                                   >> 1295 
                                                   >> 1296           Say Y, unless you know what you are doing.
                                                   >> 1297 
                                                   >> 1298 config CPU_LOONGSON3_CPUCFG_EMULATION
                                                   >> 1299         bool "Emulate the CPUCFG instruction on older Loongson cores"
                                                   >> 1300         default y
                                                   >> 1301         depends on CPU_LOONGSON64
                                                   >> 1302         help
                                                   >> 1303           Loongson-3A R4 and newer have the CPUCFG instruction available for
                                                   >> 1304           userland to query CPU capabilities, much like CPUID on x86. This
                                                   >> 1305           option provides emulation of the instruction on older Loongson
                                                   >> 1306           cores, back to Loongson-3A1000.
                                                   >> 1307 
                                                   >> 1308           If unsure, please say Y.
                                                   >> 1309 
1337 config CPU_LOONGSON2E                            1310 config CPU_LOONGSON2E
1338         bool "Loongson 2E"                       1311         bool "Loongson 2E"
1339         depends on SYS_HAS_CPU_LOONGSON2E        1312         depends on SYS_HAS_CPU_LOONGSON2E
1340         select CPU_LOONGSON2EF                   1313         select CPU_LOONGSON2EF
1341         help                                     1314         help
1342           The Loongson 2E processor implement    1315           The Loongson 2E processor implements the MIPS III instruction set
1343           with many extensions.                  1316           with many extensions.
1344                                                  1317 
1345           It has an internal FPGA northbridge    1318           It has an internal FPGA northbridge, which is compatible to
1346           bonito64.                              1319           bonito64.
1347                                                  1320 
1348 config CPU_LOONGSON2F                            1321 config CPU_LOONGSON2F
1349         bool "Loongson 2F"                       1322         bool "Loongson 2F"
1350         depends on SYS_HAS_CPU_LOONGSON2F        1323         depends on SYS_HAS_CPU_LOONGSON2F
1351         select CPU_LOONGSON2EF                   1324         select CPU_LOONGSON2EF
1352         help                                     1325         help
1353           The Loongson 2F processor implement    1326           The Loongson 2F processor implements the MIPS III instruction set
1354           with many extensions.                  1327           with many extensions.
1355                                                  1328 
1356           Loongson2F have built-in DDR2 and P    1329           Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357           have a similar programming interfac    1330           have a similar programming interface with FPGA northbridge used in
1358           Loongson2E.                            1331           Loongson2E.
1359                                                  1332 
1360 config CPU_LOONGSON1B                            1333 config CPU_LOONGSON1B
1361         bool "Loongson 1B"                       1334         bool "Loongson 1B"
1362         depends on SYS_HAS_CPU_LOONGSON1B        1335         depends on SYS_HAS_CPU_LOONGSON1B
1363         select CPU_LOONGSON32                    1336         select CPU_LOONGSON32
1364         select LEDS_GPIO_REGISTER                1337         select LEDS_GPIO_REGISTER
1365         help                                     1338         help
1366           The Loongson 1B is a 32-bit SoC, wh    1339           The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367           Release 1 instruction set and part     1340           Release 1 instruction set and part of the MIPS32 Release 2
1368           instruction set.                       1341           instruction set.
1369                                                  1342 
1370 config CPU_LOONGSON1C                            1343 config CPU_LOONGSON1C
1371         bool "Loongson 1C"                       1344         bool "Loongson 1C"
1372         depends on SYS_HAS_CPU_LOONGSON1C        1345         depends on SYS_HAS_CPU_LOONGSON1C
1373         select CPU_LOONGSON32                    1346         select CPU_LOONGSON32
1374         select LEDS_GPIO_REGISTER                1347         select LEDS_GPIO_REGISTER
1375         help                                     1348         help
1376           The Loongson 1C is a 32-bit SoC, wh    1349           The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377           Release 1 instruction set and part     1350           Release 1 instruction set and part of the MIPS32 Release 2
1378           instruction set.                       1351           instruction set.
1379                                                  1352 
1380 config CPU_MIPS32_R1                             1353 config CPU_MIPS32_R1
1381         bool "MIPS32 Release 1"                  1354         bool "MIPS32 Release 1"
1382         depends on SYS_HAS_CPU_MIPS32_R1         1355         depends on SYS_HAS_CPU_MIPS32_R1
1383         select CPU_HAS_PREFETCH                  1356         select CPU_HAS_PREFETCH
1384         select CPU_SUPPORTS_32BIT_KERNEL         1357         select CPU_SUPPORTS_32BIT_KERNEL
1385         select CPU_SUPPORTS_HIGHMEM              1358         select CPU_SUPPORTS_HIGHMEM
1386         help                                     1359         help
1387           Choose this option to build a kerne    1360           Choose this option to build a kernel for release 1 or later of the
1388           MIPS32 architecture.  Most modern e    1361           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1389           MIPS processor are based on a MIPS3    1362           MIPS processor are based on a MIPS32 processor.  If you know the
1390           specific type of processor in your     1363           specific type of processor in your system, choose those that one
1391           otherwise CPU_MIPS32_R1 is a safe b    1364           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392           Release 2 of the MIPS32 architectur    1365           Release 2 of the MIPS32 architecture is available since several
1393           years so chances are you even have     1366           years so chances are you even have a MIPS32 Release 2 processor
1394           in which case you should choose CPU    1367           in which case you should choose CPU_MIPS32_R2 instead for better
1395           performance.                           1368           performance.
1396                                                  1369 
1397 config CPU_MIPS32_R2                             1370 config CPU_MIPS32_R2
1398         bool "MIPS32 Release 2"                  1371         bool "MIPS32 Release 2"
1399         depends on SYS_HAS_CPU_MIPS32_R2         1372         depends on SYS_HAS_CPU_MIPS32_R2
1400         select CPU_HAS_PREFETCH                  1373         select CPU_HAS_PREFETCH
1401         select CPU_SUPPORTS_32BIT_KERNEL         1374         select CPU_SUPPORTS_32BIT_KERNEL
1402         select CPU_SUPPORTS_HIGHMEM              1375         select CPU_SUPPORTS_HIGHMEM
1403         select CPU_SUPPORTS_MSA                  1376         select CPU_SUPPORTS_MSA
                                                   >> 1377         select HAVE_KVM
1404         help                                     1378         help
1405           Choose this option to build a kerne    1379           Choose this option to build a kernel for release 2 or later of the
1406           MIPS32 architecture.  Most modern e    1380           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1407           MIPS processor are based on a MIPS3    1381           MIPS processor are based on a MIPS32 processor.  If you know the
1408           specific type of processor in your     1382           specific type of processor in your system, choose those that one
1409           otherwise CPU_MIPS32_R1 is a safe b    1383           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410                                                  1384 
1411 config CPU_MIPS32_R5                             1385 config CPU_MIPS32_R5
1412         bool "MIPS32 Release 5"                  1386         bool "MIPS32 Release 5"
1413         depends on SYS_HAS_CPU_MIPS32_R5         1387         depends on SYS_HAS_CPU_MIPS32_R5
1414         select CPU_HAS_PREFETCH                  1388         select CPU_HAS_PREFETCH
1415         select CPU_SUPPORTS_32BIT_KERNEL         1389         select CPU_SUPPORTS_32BIT_KERNEL
1416         select CPU_SUPPORTS_HIGHMEM              1390         select CPU_SUPPORTS_HIGHMEM
1417         select CPU_SUPPORTS_MSA                  1391         select CPU_SUPPORTS_MSA
1418         select CPU_SUPPORTS_VZ                !! 1392         select HAVE_KVM
1419         select MIPS_O32_FP64_SUPPORT             1393         select MIPS_O32_FP64_SUPPORT
1420         help                                     1394         help
1421           Choose this option to build a kerne    1395           Choose this option to build a kernel for release 5 or later of the
1422           MIPS32 architecture.  New MIPS proc    1396           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1423           family, are based on a MIPS32r5 pro    1397           family, are based on a MIPS32r5 processor. If you own an older
1424           processor, you probably need to sel    1398           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425                                                  1399 
1426 config CPU_MIPS32_R6                             1400 config CPU_MIPS32_R6
1427         bool "MIPS32 Release 6"                  1401         bool "MIPS32 Release 6"
1428         depends on SYS_HAS_CPU_MIPS32_R6         1402         depends on SYS_HAS_CPU_MIPS32_R6
1429         select CPU_HAS_PREFETCH                  1403         select CPU_HAS_PREFETCH
1430         select CPU_NO_LOAD_STORE_LR              1404         select CPU_NO_LOAD_STORE_LR
1431         select CPU_SUPPORTS_32BIT_KERNEL         1405         select CPU_SUPPORTS_32BIT_KERNEL
1432         select CPU_SUPPORTS_HIGHMEM              1406         select CPU_SUPPORTS_HIGHMEM
1433         select CPU_SUPPORTS_MSA                  1407         select CPU_SUPPORTS_MSA
1434         select CPU_SUPPORTS_VZ                !! 1408         select HAVE_KVM
1435         select MIPS_O32_FP64_SUPPORT             1409         select MIPS_O32_FP64_SUPPORT
1436         help                                     1410         help
1437           Choose this option to build a kerne    1411           Choose this option to build a kernel for release 6 or later of the
1438           MIPS32 architecture.  New MIPS proc    1412           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1439           family, are based on a MIPS32r6 pro    1413           family, are based on a MIPS32r6 processor. If you own an older
1440           processor, you probably need to sel    1414           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441                                                  1415 
1442 config CPU_MIPS64_R1                             1416 config CPU_MIPS64_R1
1443         bool "MIPS64 Release 1"                  1417         bool "MIPS64 Release 1"
1444         depends on SYS_HAS_CPU_MIPS64_R1         1418         depends on SYS_HAS_CPU_MIPS64_R1
1445         select CPU_HAS_PREFETCH                  1419         select CPU_HAS_PREFETCH
1446         select CPU_SUPPORTS_32BIT_KERNEL         1420         select CPU_SUPPORTS_32BIT_KERNEL
1447         select CPU_SUPPORTS_64BIT_KERNEL         1421         select CPU_SUPPORTS_64BIT_KERNEL
1448         select CPU_SUPPORTS_HIGHMEM              1422         select CPU_SUPPORTS_HIGHMEM
1449         select CPU_SUPPORTS_HUGEPAGES            1423         select CPU_SUPPORTS_HUGEPAGES
1450         help                                     1424         help
1451           Choose this option to build a kerne    1425           Choose this option to build a kernel for release 1 or later of the
1452           MIPS64 architecture.  Many modern e    1426           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1453           MIPS processor are based on a MIPS6    1427           MIPS processor are based on a MIPS64 processor.  If you know the
1454           specific type of processor in your     1428           specific type of processor in your system, choose those that one
1455           otherwise CPU_MIPS64_R1 is a safe b    1429           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456           Release 2 of the MIPS64 architectur    1430           Release 2 of the MIPS64 architecture is available since several
1457           years so chances are you even have     1431           years so chances are you even have a MIPS64 Release 2 processor
1458           in which case you should choose CPU    1432           in which case you should choose CPU_MIPS64_R2 instead for better
1459           performance.                           1433           performance.
1460                                                  1434 
1461 config CPU_MIPS64_R2                             1435 config CPU_MIPS64_R2
1462         bool "MIPS64 Release 2"                  1436         bool "MIPS64 Release 2"
1463         depends on SYS_HAS_CPU_MIPS64_R2         1437         depends on SYS_HAS_CPU_MIPS64_R2
1464         select CPU_HAS_PREFETCH                  1438         select CPU_HAS_PREFETCH
1465         select CPU_SUPPORTS_32BIT_KERNEL         1439         select CPU_SUPPORTS_32BIT_KERNEL
1466         select CPU_SUPPORTS_64BIT_KERNEL         1440         select CPU_SUPPORTS_64BIT_KERNEL
1467         select CPU_SUPPORTS_HIGHMEM              1441         select CPU_SUPPORTS_HIGHMEM
1468         select CPU_SUPPORTS_HUGEPAGES            1442         select CPU_SUPPORTS_HUGEPAGES
1469         select CPU_SUPPORTS_MSA                  1443         select CPU_SUPPORTS_MSA
                                                   >> 1444         select HAVE_KVM
1470         help                                     1445         help
1471           Choose this option to build a kerne    1446           Choose this option to build a kernel for release 2 or later of the
1472           MIPS64 architecture.  Many modern e    1447           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1473           MIPS processor are based on a MIPS6    1448           MIPS processor are based on a MIPS64 processor.  If you know the
1474           specific type of processor in your     1449           specific type of processor in your system, choose those that one
1475           otherwise CPU_MIPS64_R1 is a safe b    1450           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476                                                  1451 
1477 config CPU_MIPS64_R5                             1452 config CPU_MIPS64_R5
1478         bool "MIPS64 Release 5"                  1453         bool "MIPS64 Release 5"
1479         depends on SYS_HAS_CPU_MIPS64_R5         1454         depends on SYS_HAS_CPU_MIPS64_R5
1480         select CPU_HAS_PREFETCH                  1455         select CPU_HAS_PREFETCH
1481         select CPU_SUPPORTS_32BIT_KERNEL         1456         select CPU_SUPPORTS_32BIT_KERNEL
1482         select CPU_SUPPORTS_64BIT_KERNEL         1457         select CPU_SUPPORTS_64BIT_KERNEL
1483         select CPU_SUPPORTS_HIGHMEM              1458         select CPU_SUPPORTS_HIGHMEM
1484         select CPU_SUPPORTS_HUGEPAGES            1459         select CPU_SUPPORTS_HUGEPAGES
1485         select CPU_SUPPORTS_MSA                  1460         select CPU_SUPPORTS_MSA
1486         select MIPS_O32_FP64_SUPPORT if 32BIT    1461         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487         select CPU_SUPPORTS_VZ                !! 1462         select HAVE_KVM
1488         help                                     1463         help
1489           Choose this option to build a kerne    1464           Choose this option to build a kernel for release 5 or later of the
1490           MIPS64 architecture.  This is a int    1465           MIPS64 architecture.  This is a intermediate MIPS architecture
1491           release partly implementing release    1466           release partly implementing release 6 features. Though there is no
1492           any hardware known to be based on t    1467           any hardware known to be based on this release.
1493                                                  1468 
1494 config CPU_MIPS64_R6                             1469 config CPU_MIPS64_R6
1495         bool "MIPS64 Release 6"                  1470         bool "MIPS64 Release 6"
1496         depends on SYS_HAS_CPU_MIPS64_R6         1471         depends on SYS_HAS_CPU_MIPS64_R6
1497         select CPU_HAS_PREFETCH                  1472         select CPU_HAS_PREFETCH
1498         select CPU_NO_LOAD_STORE_LR              1473         select CPU_NO_LOAD_STORE_LR
1499         select CPU_SUPPORTS_32BIT_KERNEL         1474         select CPU_SUPPORTS_32BIT_KERNEL
1500         select CPU_SUPPORTS_64BIT_KERNEL         1475         select CPU_SUPPORTS_64BIT_KERNEL
1501         select CPU_SUPPORTS_HIGHMEM              1476         select CPU_SUPPORTS_HIGHMEM
1502         select CPU_SUPPORTS_HUGEPAGES            1477         select CPU_SUPPORTS_HUGEPAGES
1503         select CPU_SUPPORTS_MSA                  1478         select CPU_SUPPORTS_MSA
1504         select MIPS_O32_FP64_SUPPORT if 32BIT    1479         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505         select CPU_SUPPORTS_VZ                !! 1480         select HAVE_KVM
1506         help                                     1481         help
1507           Choose this option to build a kerne    1482           Choose this option to build a kernel for release 6 or later of the
1508           MIPS64 architecture.  New MIPS proc    1483           MIPS64 architecture.  New MIPS processors, starting with the Warrior
1509           family, are based on a MIPS64r6 pro    1484           family, are based on a MIPS64r6 processor. If you own an older
1510           processor, you probably need to sel    1485           processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511                                                  1486 
1512 config CPU_P5600                                 1487 config CPU_P5600
1513         bool "MIPS Warrior P5600"                1488         bool "MIPS Warrior P5600"
1514         depends on SYS_HAS_CPU_P5600             1489         depends on SYS_HAS_CPU_P5600
1515         select CPU_HAS_PREFETCH                  1490         select CPU_HAS_PREFETCH
1516         select CPU_SUPPORTS_32BIT_KERNEL         1491         select CPU_SUPPORTS_32BIT_KERNEL
1517         select CPU_SUPPORTS_HIGHMEM              1492         select CPU_SUPPORTS_HIGHMEM
1518         select CPU_SUPPORTS_MSA                  1493         select CPU_SUPPORTS_MSA
1519         select CPU_SUPPORTS_CPUFREQ              1494         select CPU_SUPPORTS_CPUFREQ
1520         select CPU_SUPPORTS_VZ                << 
1521         select CPU_MIPSR2_IRQ_VI                 1495         select CPU_MIPSR2_IRQ_VI
1522         select CPU_MIPSR2_IRQ_EI                 1496         select CPU_MIPSR2_IRQ_EI
                                                   >> 1497         select HAVE_KVM
1523         select MIPS_O32_FP64_SUPPORT             1498         select MIPS_O32_FP64_SUPPORT
1524         help                                     1499         help
1525           Choose this option to build a kerne    1500           Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526           It's based on MIPS32r5 ISA with XPA    1501           It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527           MMU with two-levels TLB, UCA, MSA,     1502           MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528           level features like up to six P5600    1503           level features like up to six P5600 calculation cores, CM2 with L2
1529           cache, IOCU/IOMMU (though might be     1504           cache, IOCU/IOMMU (though might be unused depending on the system-
1530           specific IP core configuration), GI    1505           specific IP core configuration), GIC, CPC, virtualisation module,
1531           eJTAG and PDtrace.                     1506           eJTAG and PDtrace.
1532                                                  1507 
1533 config CPU_R3000                                 1508 config CPU_R3000
1534         bool "R3000"                             1509         bool "R3000"
1535         depends on SYS_HAS_CPU_R3000             1510         depends on SYS_HAS_CPU_R3000
1536         select CPU_HAS_WB                        1511         select CPU_HAS_WB
1537         select CPU_R3K_TLB                       1512         select CPU_R3K_TLB
1538         select CPU_SUPPORTS_32BIT_KERNEL         1513         select CPU_SUPPORTS_32BIT_KERNEL
1539         select CPU_SUPPORTS_HIGHMEM              1514         select CPU_SUPPORTS_HIGHMEM
1540         help                                     1515         help
1541           Please make sure to pick the right     1516           Please make sure to pick the right CPU type. Linux/MIPS is not
1542           designed to be generic, i.e. Kernel    1517           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543           *not* work on R4000 machines and vi    1518           *not* work on R4000 machines and vice versa.  However, since most
1544           of the supported machines have an R    1519           of the supported machines have an R4000 (or similar) CPU, R4x00
1545           might be a safe bet.  If the result    1520           might be a safe bet.  If the resulting kernel does not work,
1546           try to recompile with R3000.           1521           try to recompile with R3000.
1547                                                  1522 
1548 config CPU_R4300                                 1523 config CPU_R4300
1549         bool "R4300"                             1524         bool "R4300"
1550         depends on SYS_HAS_CPU_R4300             1525         depends on SYS_HAS_CPU_R4300
1551         select CPU_SUPPORTS_32BIT_KERNEL         1526         select CPU_SUPPORTS_32BIT_KERNEL
1552         select CPU_SUPPORTS_64BIT_KERNEL         1527         select CPU_SUPPORTS_64BIT_KERNEL
1553         help                                     1528         help
1554           MIPS Technologies R4300-series proc    1529           MIPS Technologies R4300-series processors.
1555                                                  1530 
1556 config CPU_R4X00                                 1531 config CPU_R4X00
1557         bool "R4x00"                             1532         bool "R4x00"
1558         depends on SYS_HAS_CPU_R4X00             1533         depends on SYS_HAS_CPU_R4X00
1559         select CPU_SUPPORTS_32BIT_KERNEL         1534         select CPU_SUPPORTS_32BIT_KERNEL
1560         select CPU_SUPPORTS_64BIT_KERNEL         1535         select CPU_SUPPORTS_64BIT_KERNEL
1561         select CPU_SUPPORTS_HUGEPAGES            1536         select CPU_SUPPORTS_HUGEPAGES
1562         help                                     1537         help
1563           MIPS Technologies R4000-series proc    1538           MIPS Technologies R4000-series processors other than 4300, including
1564           the R4000, R4400, R4600, and 4700.     1539           the R4000, R4400, R4600, and 4700.
1565                                                  1540 
1566 config CPU_TX49XX                                1541 config CPU_TX49XX
1567         bool "R49XX"                             1542         bool "R49XX"
1568         depends on SYS_HAS_CPU_TX49XX            1543         depends on SYS_HAS_CPU_TX49XX
1569         select CPU_HAS_PREFETCH                  1544         select CPU_HAS_PREFETCH
1570         select CPU_SUPPORTS_32BIT_KERNEL         1545         select CPU_SUPPORTS_32BIT_KERNEL
1571         select CPU_SUPPORTS_64BIT_KERNEL         1546         select CPU_SUPPORTS_64BIT_KERNEL
1572         select CPU_SUPPORTS_HUGEPAGES            1547         select CPU_SUPPORTS_HUGEPAGES
1573                                                  1548 
1574 config CPU_R5000                                 1549 config CPU_R5000
1575         bool "R5000"                             1550         bool "R5000"
1576         depends on SYS_HAS_CPU_R5000             1551         depends on SYS_HAS_CPU_R5000
1577         select CPU_SUPPORTS_32BIT_KERNEL         1552         select CPU_SUPPORTS_32BIT_KERNEL
1578         select CPU_SUPPORTS_64BIT_KERNEL         1553         select CPU_SUPPORTS_64BIT_KERNEL
1579         select CPU_SUPPORTS_HUGEPAGES            1554         select CPU_SUPPORTS_HUGEPAGES
1580         help                                     1555         help
1581           MIPS Technologies R5000-series proc    1556           MIPS Technologies R5000-series processors other than the Nevada.
1582                                                  1557 
1583 config CPU_R5500                                 1558 config CPU_R5500
1584         bool "R5500"                             1559         bool "R5500"
1585         depends on SYS_HAS_CPU_R5500             1560         depends on SYS_HAS_CPU_R5500
1586         select CPU_SUPPORTS_32BIT_KERNEL         1561         select CPU_SUPPORTS_32BIT_KERNEL
1587         select CPU_SUPPORTS_64BIT_KERNEL         1562         select CPU_SUPPORTS_64BIT_KERNEL
1588         select CPU_SUPPORTS_HUGEPAGES            1563         select CPU_SUPPORTS_HUGEPAGES
1589         help                                     1564         help
1590           NEC VR5500 and VR5500A series proce    1565           NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591           instruction set.                       1566           instruction set.
1592                                                  1567 
1593 config CPU_NEVADA                                1568 config CPU_NEVADA
1594         bool "RM52xx"                            1569         bool "RM52xx"
1595         depends on SYS_HAS_CPU_NEVADA            1570         depends on SYS_HAS_CPU_NEVADA
1596         select CPU_SUPPORTS_32BIT_KERNEL         1571         select CPU_SUPPORTS_32BIT_KERNEL
1597         select CPU_SUPPORTS_64BIT_KERNEL         1572         select CPU_SUPPORTS_64BIT_KERNEL
1598         select CPU_SUPPORTS_HUGEPAGES            1573         select CPU_SUPPORTS_HUGEPAGES
1599         help                                     1574         help
1600           QED / PMC-Sierra RM52xx-series ("Ne    1575           QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601                                                  1576 
1602 config CPU_R10000                                1577 config CPU_R10000
1603         bool "R10000"                            1578         bool "R10000"
1604         depends on SYS_HAS_CPU_R10000            1579         depends on SYS_HAS_CPU_R10000
1605         select CPU_HAS_PREFETCH                  1580         select CPU_HAS_PREFETCH
1606         select CPU_SUPPORTS_32BIT_KERNEL         1581         select CPU_SUPPORTS_32BIT_KERNEL
1607         select CPU_SUPPORTS_64BIT_KERNEL         1582         select CPU_SUPPORTS_64BIT_KERNEL
1608         select CPU_SUPPORTS_HIGHMEM              1583         select CPU_SUPPORTS_HIGHMEM
1609         select CPU_SUPPORTS_HUGEPAGES            1584         select CPU_SUPPORTS_HUGEPAGES
1610         help                                     1585         help
1611           MIPS Technologies R10000-series pro    1586           MIPS Technologies R10000-series processors.
1612                                                  1587 
1613 config CPU_RM7000                                1588 config CPU_RM7000
1614         bool "RM7000"                            1589         bool "RM7000"
1615         depends on SYS_HAS_CPU_RM7000            1590         depends on SYS_HAS_CPU_RM7000
1616         select CPU_HAS_PREFETCH                  1591         select CPU_HAS_PREFETCH
1617         select CPU_SUPPORTS_32BIT_KERNEL         1592         select CPU_SUPPORTS_32BIT_KERNEL
1618         select CPU_SUPPORTS_64BIT_KERNEL         1593         select CPU_SUPPORTS_64BIT_KERNEL
1619         select CPU_SUPPORTS_HIGHMEM              1594         select CPU_SUPPORTS_HIGHMEM
1620         select CPU_SUPPORTS_HUGEPAGES            1595         select CPU_SUPPORTS_HUGEPAGES
1621                                                  1596 
1622 config CPU_SB1                                   1597 config CPU_SB1
1623         bool "SB1"                               1598         bool "SB1"
1624         depends on SYS_HAS_CPU_SB1               1599         depends on SYS_HAS_CPU_SB1
1625         select CPU_SUPPORTS_32BIT_KERNEL         1600         select CPU_SUPPORTS_32BIT_KERNEL
1626         select CPU_SUPPORTS_64BIT_KERNEL         1601         select CPU_SUPPORTS_64BIT_KERNEL
1627         select CPU_SUPPORTS_HIGHMEM              1602         select CPU_SUPPORTS_HIGHMEM
1628         select CPU_SUPPORTS_HUGEPAGES            1603         select CPU_SUPPORTS_HUGEPAGES
1629         select WEAK_ORDERING                     1604         select WEAK_ORDERING
1630                                                  1605 
1631 config CPU_CAVIUM_OCTEON                         1606 config CPU_CAVIUM_OCTEON
1632         bool "Cavium Octeon processor"           1607         bool "Cavium Octeon processor"
1633         depends on SYS_HAS_CPU_CAVIUM_OCTEON     1608         depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634         select CPU_HAS_PREFETCH                  1609         select CPU_HAS_PREFETCH
1635         select CPU_SUPPORTS_64BIT_KERNEL         1610         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                     1611         select WEAK_ORDERING
1639         select CPU_SUPPORTS_HIGHMEM              1612         select CPU_SUPPORTS_HIGHMEM
1640         select CPU_SUPPORTS_HUGEPAGES            1613         select CPU_SUPPORTS_HUGEPAGES
1641         select USB_EHCI_BIG_ENDIAN_MMIO if CP    1614         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642         select USB_OHCI_BIG_ENDIAN_MMIO if CP    1615         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643         select MIPS_L1_CACHE_SHIFT_7             1616         select MIPS_L1_CACHE_SHIFT_7
1644         select CPU_SUPPORTS_VZ                !! 1617         select HAVE_KVM
1645         help                                     1618         help
1646           The Cavium Octeon processor is a hi    1619           The Cavium Octeon processor is a highly integrated chip containing
1647           many ethernet hardware widgets for     1620           many ethernet hardware widgets for networking tasks. The processor
1648           can have up to 16 Mips64v2 cores an    1621           can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649           Full details can be found at http:/    1622           Full details can be found at http://www.caviumnetworks.com.
1650                                                  1623 
1651 config CPU_BMIPS                                 1624 config CPU_BMIPS
1652         bool "Broadcom BMIPS"                    1625         bool "Broadcom BMIPS"
1653         depends on SYS_HAS_CPU_BMIPS             1626         depends on SYS_HAS_CPU_BMIPS
1654         select CPU_MIPS32                        1627         select CPU_MIPS32
1655         select CPU_BMIPS32_3300 if SYS_HAS_CP    1628         select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656         select CPU_BMIPS4350 if SYS_HAS_CPU_B    1629         select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657         select CPU_BMIPS4380 if SYS_HAS_CPU_B    1630         select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658         select CPU_BMIPS5000 if SYS_HAS_CPU_B    1631         select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659         select CPU_SUPPORTS_32BIT_KERNEL         1632         select CPU_SUPPORTS_32BIT_KERNEL
1660         select DMA_NONCOHERENT                   1633         select DMA_NONCOHERENT
1661         select IRQ_MIPS_CPU                      1634         select IRQ_MIPS_CPU
1662         select SWAP_IO_SPACE                     1635         select SWAP_IO_SPACE
1663         select WEAK_ORDERING                     1636         select WEAK_ORDERING
1664         select CPU_SUPPORTS_HIGHMEM              1637         select CPU_SUPPORTS_HIGHMEM
1665         select CPU_HAS_PREFETCH                  1638         select CPU_HAS_PREFETCH
1666         select CPU_SUPPORTS_CPUFREQ              1639         select CPU_SUPPORTS_CPUFREQ
1667         select MIPS_EXTERNAL_TIMER               1640         select MIPS_EXTERNAL_TIMER
1668         select GENERIC_IRQ_MIGRATION if HOTPL    1641         select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669         help                                     1642         help
1670           Support for BMIPS32/3300/4350/4380     1643           Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671                                                  1644 
1672 endchoice                                        1645 endchoice
1673                                                  1646 
1674 config LOONGSON3_ENHANCEMENT                  << 
1675         bool "New Loongson-3 CPU Enhancements << 
1676         default n                             << 
1677         depends on CPU_LOONGSON64             << 
1678         help                                  << 
1679           New Loongson-3 cores (since Loongso << 
1680           R1, Loongson-3B R1 and Loongson-3B  << 
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                                  << 
1695           Loongson-3 processors have the llsc << 
1696           Without workarounds the system may  << 
1697                                               << 
1698           Say Y, unless you know what you are << 
1699                                               << 
1700 config CPU_LOONGSON3_CPUCFG_EMULATION         << 
1701         bool "Emulate the CPUCFG instruction  << 
1702         default y                             << 
1703         depends on CPU_LOONGSON64             << 
1704         help                                  << 
1705           Loongson-3A R4 and newer have the C << 
1706           userland to query CPU capabilities, << 
1707           option provides emulation of the in << 
1708           cores, back to Loongson-3A1000.     << 
1709                                               << 
1710           If unsure, please say Y.            << 
1711                                               << 
1712 config CPU_MIPS32_3_5_FEATURES                   1647 config CPU_MIPS32_3_5_FEATURES
1713         bool "MIPS32 Release 3.5 Features"       1648         bool "MIPS32 Release 3.5 Features"
1714         depends on SYS_HAS_CPU_MIPS32_R3_5       1649         depends on SYS_HAS_CPU_MIPS32_R3_5
1715         depends on CPU_MIPS32_R2 || CPU_MIPS3    1650         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716                    CPU_P5600                     1651                    CPU_P5600
1717         help                                     1652         help
1718           Choose this option to build a kerne    1653           Choose this option to build a kernel for release 2 or later of the
1719           MIPS32 architecture including featu    1654           MIPS32 architecture including features from the 3.5 release such as
1720           support for Enhanced Virtual Addres    1655           support for Enhanced Virtual Addressing (EVA).
1721                                                  1656 
1722 config CPU_MIPS32_3_5_EVA                        1657 config CPU_MIPS32_3_5_EVA
1723         bool "Enhanced Virtual Addressing (EV    1658         bool "Enhanced Virtual Addressing (EVA)"
1724         depends on CPU_MIPS32_3_5_FEATURES       1659         depends on CPU_MIPS32_3_5_FEATURES
1725         select EVA                               1660         select EVA
1726         default y                                1661         default y
1727         help                                     1662         help
1728           Choose this option if you want to e    1663           Choose this option if you want to enable the Enhanced Virtual
1729           Addressing (EVA) on your MIPS32 cor    1664           Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730           One of its primary benefits is an i    1665           One of its primary benefits is an increase in the maximum size
1731           of lowmem (up to 3GB). If unsure, s    1666           of lowmem (up to 3GB). If unsure, say 'N' here.
1732                                                  1667 
1733 config CPU_MIPS32_R5_FEATURES                    1668 config CPU_MIPS32_R5_FEATURES
1734         bool "MIPS32 Release 5 Features"         1669         bool "MIPS32 Release 5 Features"
1735         depends on SYS_HAS_CPU_MIPS32_R5         1670         depends on SYS_HAS_CPU_MIPS32_R5
1736         depends on CPU_MIPS32_R2 || CPU_MIPS3    1671         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737         help                                     1672         help
1738           Choose this option to build a kerne    1673           Choose this option to build a kernel for release 2 or later of the
1739           MIPS32 architecture including featu    1674           MIPS32 architecture including features from release 5 such as
1740           support for Extended Physical Addre    1675           support for Extended Physical Addressing (XPA).
1741                                                  1676 
1742 config CPU_MIPS32_R5_XPA                         1677 config CPU_MIPS32_R5_XPA
1743         bool "Extended Physical Addressing (X    1678         bool "Extended Physical Addressing (XPA)"
1744         depends on CPU_MIPS32_R5_FEATURES        1679         depends on CPU_MIPS32_R5_FEATURES
1745         depends on !EVA                          1680         depends on !EVA
1746         depends on !PAGE_SIZE_4KB                1681         depends on !PAGE_SIZE_4KB
1747         depends on SYS_SUPPORTS_HIGHMEM          1682         depends on SYS_SUPPORTS_HIGHMEM
1748         select XPA                               1683         select XPA
1749         select HIGHMEM                           1684         select HIGHMEM
1750         select PHYS_ADDR_T_64BIT                 1685         select PHYS_ADDR_T_64BIT
1751         default n                                1686         default n
1752         help                                     1687         help
1753           Choose this option if you want to e    1688           Choose this option if you want to enable the Extended Physical
1754           Addressing (XPA) on your MIPS32 cor    1689           Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755           benefit is to increase physical add    1690           benefit is to increase physical addressing equal to or greater
1756           than 40 bits. Note that this has th    1691           than 40 bits. Note that this has the side effect of turning on
1757           64-bit addressing which in turn mak    1692           64-bit addressing which in turn makes the PTEs 64-bit in size.
1758           If unsure, say 'N' here.               1693           If unsure, say 'N' here.
1759                                                  1694 
1760 if CPU_LOONGSON2F                                1695 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS                       1696 config CPU_NOP_WORKAROUNDS
1762         bool                                     1697         bool
1763                                                  1698 
1764 config CPU_JUMP_WORKAROUNDS                      1699 config CPU_JUMP_WORKAROUNDS
1765         bool                                     1700         bool
1766                                                  1701 
1767 config CPU_LOONGSON2F_WORKAROUNDS                1702 config CPU_LOONGSON2F_WORKAROUNDS
1768         bool "Loongson 2F Workarounds"           1703         bool "Loongson 2F Workarounds"
1769         default y                                1704         default y
1770         select CPU_NOP_WORKAROUNDS               1705         select CPU_NOP_WORKAROUNDS
1771         select CPU_JUMP_WORKAROUNDS              1706         select CPU_JUMP_WORKAROUNDS
1772         help                                     1707         help
1773           Loongson 2F01 / 2F02 processors hav    1708           Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774           require workarounds.  Without worka    1709           require workarounds.  Without workarounds the system may hang
1775           unexpectedly.  For more information    1710           unexpectedly.  For more information please refer to the gas
1776           -mfix-loongson2f-nop and -mfix-loon    1711           -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777                                                  1712 
1778           Loongson 2F03 and later have fixed     1713           Loongson 2F03 and later have fixed these issues and no workarounds
1779           are needed.  The workarounds have n    1714           are needed.  The workarounds have no significant side effect on them
1780           but may decrease the performance of    1715           but may decrease the performance of the system so this option should
1781           be disabled unless the kernel is in    1716           be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782           systems.                               1717           systems.
1783                                                  1718 
1784           If unsure, please say Y.               1719           If unsure, please say Y.
1785 endif # CPU_LOONGSON2F                           1720 endif # CPU_LOONGSON2F
1786                                                  1721 
1787 config SYS_SUPPORTS_ZBOOT                        1722 config SYS_SUPPORTS_ZBOOT
1788         bool                                     1723         bool
1789         select HAVE_KERNEL_GZIP                  1724         select HAVE_KERNEL_GZIP
1790         select HAVE_KERNEL_BZIP2                 1725         select HAVE_KERNEL_BZIP2
1791         select HAVE_KERNEL_LZ4                   1726         select HAVE_KERNEL_LZ4
1792         select HAVE_KERNEL_LZMA                  1727         select HAVE_KERNEL_LZMA
1793         select HAVE_KERNEL_LZO                   1728         select HAVE_KERNEL_LZO
1794         select HAVE_KERNEL_XZ                    1729         select HAVE_KERNEL_XZ
1795         select HAVE_KERNEL_ZSTD                  1730         select HAVE_KERNEL_ZSTD
1796                                                  1731 
1797 config SYS_SUPPORTS_ZBOOT_UART16550              1732 config SYS_SUPPORTS_ZBOOT_UART16550
1798         bool                                     1733         bool
1799         select SYS_SUPPORTS_ZBOOT                1734         select SYS_SUPPORTS_ZBOOT
1800                                                  1735 
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM              1736 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802         bool                                     1737         bool
1803         select SYS_SUPPORTS_ZBOOT                1738         select SYS_SUPPORTS_ZBOOT
1804                                                  1739 
1805 config CPU_LOONGSON2EF                           1740 config CPU_LOONGSON2EF
1806         bool                                     1741         bool
1807         select CPU_SUPPORTS_32BIT_KERNEL         1742         select CPU_SUPPORTS_32BIT_KERNEL
1808         select CPU_SUPPORTS_64BIT_KERNEL         1743         select CPU_SUPPORTS_64BIT_KERNEL
1809         select CPU_SUPPORTS_HIGHMEM              1744         select CPU_SUPPORTS_HIGHMEM
1810         select CPU_SUPPORTS_HUGEPAGES            1745         select CPU_SUPPORTS_HUGEPAGES
1811                                                  1746 
1812 config CPU_LOONGSON32                            1747 config CPU_LOONGSON32
1813         bool                                     1748         bool
1814         select CPU_MIPS32                        1749         select CPU_MIPS32
1815         select CPU_MIPSR2                        1750         select CPU_MIPSR2
1816         select CPU_HAS_PREFETCH                  1751         select CPU_HAS_PREFETCH
1817         select CPU_SUPPORTS_32BIT_KERNEL         1752         select CPU_SUPPORTS_32BIT_KERNEL
1818         select CPU_SUPPORTS_HIGHMEM              1753         select CPU_SUPPORTS_HIGHMEM
1819         select CPU_SUPPORTS_CPUFREQ              1754         select CPU_SUPPORTS_CPUFREQ
1820                                                  1755 
1821 config CPU_BMIPS32_3300                          1756 config CPU_BMIPS32_3300
1822         select SMP_UP if SMP                     1757         select SMP_UP if SMP
1823         bool                                     1758         bool
1824                                                  1759 
1825 config CPU_BMIPS4350                             1760 config CPU_BMIPS4350
1826         bool                                     1761         bool
1827         select SYS_SUPPORTS_SMP                  1762         select SYS_SUPPORTS_SMP
1828         select SYS_SUPPORTS_HOTPLUG_CPU          1763         select SYS_SUPPORTS_HOTPLUG_CPU
1829                                                  1764 
1830 config CPU_BMIPS4380                             1765 config CPU_BMIPS4380
1831         bool                                     1766         bool
1832         select MIPS_L1_CACHE_SHIFT_6             1767         select MIPS_L1_CACHE_SHIFT_6
1833         select SYS_SUPPORTS_SMP                  1768         select SYS_SUPPORTS_SMP
1834         select SYS_SUPPORTS_HOTPLUG_CPU          1769         select SYS_SUPPORTS_HOTPLUG_CPU
1835         select CPU_HAS_RIXI                      1770         select CPU_HAS_RIXI
1836                                                  1771 
1837 config CPU_BMIPS5000                             1772 config CPU_BMIPS5000
1838         bool                                     1773         bool
1839         select MIPS_CPU_SCACHE                   1774         select MIPS_CPU_SCACHE
1840         select MIPS_L1_CACHE_SHIFT_7             1775         select MIPS_L1_CACHE_SHIFT_7
1841         select SYS_SUPPORTS_SMP                  1776         select SYS_SUPPORTS_SMP
1842         select SYS_SUPPORTS_HOTPLUG_CPU          1777         select SYS_SUPPORTS_HOTPLUG_CPU
1843         select CPU_HAS_RIXI                      1778         select CPU_HAS_RIXI
1844                                                  1779 
1845 config SYS_HAS_CPU_LOONGSON64                    1780 config SYS_HAS_CPU_LOONGSON64
1846         bool                                     1781         bool
1847         select CPU_SUPPORTS_CPUFREQ              1782         select CPU_SUPPORTS_CPUFREQ
1848         select CPU_HAS_RIXI                      1783         select CPU_HAS_RIXI
1849                                                  1784 
1850 config SYS_HAS_CPU_LOONGSON2E                    1785 config SYS_HAS_CPU_LOONGSON2E
1851         bool                                     1786         bool
1852                                                  1787 
1853 config SYS_HAS_CPU_LOONGSON2F                    1788 config SYS_HAS_CPU_LOONGSON2F
1854         bool                                     1789         bool
1855         select CPU_SUPPORTS_CPUFREQ              1790         select CPU_SUPPORTS_CPUFREQ
1856         select CPU_SUPPORTS_ADDRWINCFG if 64B    1791         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857                                                  1792 
1858 config SYS_HAS_CPU_LOONGSON1B                    1793 config SYS_HAS_CPU_LOONGSON1B
1859         bool                                     1794         bool
1860                                                  1795 
1861 config SYS_HAS_CPU_LOONGSON1C                    1796 config SYS_HAS_CPU_LOONGSON1C
1862         bool                                     1797         bool
1863                                                  1798 
1864 config SYS_HAS_CPU_MIPS32_R1                     1799 config SYS_HAS_CPU_MIPS32_R1
1865         bool                                     1800         bool
1866                                                  1801 
1867 config SYS_HAS_CPU_MIPS32_R2                     1802 config SYS_HAS_CPU_MIPS32_R2
1868         bool                                     1803         bool
1869                                                  1804 
1870 config SYS_HAS_CPU_MIPS32_R3_5                   1805 config SYS_HAS_CPU_MIPS32_R3_5
1871         bool                                     1806         bool
1872                                                  1807 
1873 config SYS_HAS_CPU_MIPS32_R5                     1808 config SYS_HAS_CPU_MIPS32_R5
1874         bool                                     1809         bool
1875                                                  1810 
1876 config SYS_HAS_CPU_MIPS32_R6                     1811 config SYS_HAS_CPU_MIPS32_R6
1877         bool                                     1812         bool
1878                                                  1813 
1879 config SYS_HAS_CPU_MIPS64_R1                     1814 config SYS_HAS_CPU_MIPS64_R1
1880         bool                                     1815         bool
1881                                                  1816 
1882 config SYS_HAS_CPU_MIPS64_R2                     1817 config SYS_HAS_CPU_MIPS64_R2
1883         bool                                     1818         bool
1884                                                  1819 
1885 config SYS_HAS_CPU_MIPS64_R5                     1820 config SYS_HAS_CPU_MIPS64_R5
1886         bool                                     1821         bool
1887                                                  1822 
1888 config SYS_HAS_CPU_MIPS64_R6                     1823 config SYS_HAS_CPU_MIPS64_R6
1889         bool                                     1824         bool
1890                                                  1825 
1891 config SYS_HAS_CPU_P5600                         1826 config SYS_HAS_CPU_P5600
1892         bool                                     1827         bool
1893                                                  1828 
1894 config SYS_HAS_CPU_R3000                         1829 config SYS_HAS_CPU_R3000
1895         bool                                     1830         bool
1896                                                  1831 
1897 config SYS_HAS_CPU_R4300                         1832 config SYS_HAS_CPU_R4300
1898         bool                                     1833         bool
1899                                                  1834 
1900 config SYS_HAS_CPU_R4X00                         1835 config SYS_HAS_CPU_R4X00
1901         bool                                     1836         bool
1902                                                  1837 
1903 config SYS_HAS_CPU_TX49XX                        1838 config SYS_HAS_CPU_TX49XX
1904         bool                                     1839         bool
1905                                                  1840 
1906 config SYS_HAS_CPU_R5000                         1841 config SYS_HAS_CPU_R5000
1907         bool                                     1842         bool
1908                                                  1843 
1909 config SYS_HAS_CPU_R5500                         1844 config SYS_HAS_CPU_R5500
1910         bool                                     1845         bool
1911                                                  1846 
1912 config SYS_HAS_CPU_NEVADA                        1847 config SYS_HAS_CPU_NEVADA
1913         bool                                     1848         bool
1914                                                  1849 
1915 config SYS_HAS_CPU_R10000                        1850 config SYS_HAS_CPU_R10000
1916         bool                                     1851         bool
1917                                                  1852 
1918 config SYS_HAS_CPU_RM7000                        1853 config SYS_HAS_CPU_RM7000
1919         bool                                     1854         bool
1920                                                  1855 
1921 config SYS_HAS_CPU_SB1                           1856 config SYS_HAS_CPU_SB1
1922         bool                                     1857         bool
1923                                                  1858 
1924 config SYS_HAS_CPU_CAVIUM_OCTEON                 1859 config SYS_HAS_CPU_CAVIUM_OCTEON
1925         bool                                     1860         bool
1926                                                  1861 
1927 config SYS_HAS_CPU_BMIPS                         1862 config SYS_HAS_CPU_BMIPS
1928         bool                                     1863         bool
1929                                                  1864 
1930 config SYS_HAS_CPU_BMIPS32_3300                  1865 config SYS_HAS_CPU_BMIPS32_3300
1931         bool                                     1866         bool
1932         select SYS_HAS_CPU_BMIPS                 1867         select SYS_HAS_CPU_BMIPS
1933                                                  1868 
1934 config SYS_HAS_CPU_BMIPS4350                     1869 config SYS_HAS_CPU_BMIPS4350
1935         bool                                     1870         bool
1936         select SYS_HAS_CPU_BMIPS                 1871         select SYS_HAS_CPU_BMIPS
1937                                                  1872 
1938 config SYS_HAS_CPU_BMIPS4380                     1873 config SYS_HAS_CPU_BMIPS4380
1939         bool                                     1874         bool
1940         select SYS_HAS_CPU_BMIPS                 1875         select SYS_HAS_CPU_BMIPS
1941                                                  1876 
1942 config SYS_HAS_CPU_BMIPS5000                     1877 config SYS_HAS_CPU_BMIPS5000
1943         bool                                     1878         bool
1944         select SYS_HAS_CPU_BMIPS                 1879         select SYS_HAS_CPU_BMIPS
1945                                                  1880 
1946 #                                                1881 #
1947 # CPU may reorder R->R, R->W, W->R, W->W         1882 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W    1883 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 #                                                1884 #
1950 config WEAK_ORDERING                             1885 config WEAK_ORDERING
1951         bool                                     1886         bool
1952                                                  1887 
1953 #                                                1888 #
1954 # CPU may reorder reads and writes beyond LL/    1889 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL,    1890 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 #                                                1891 #
1957 config WEAK_REORDERING_BEYOND_LLSC               1892 config WEAK_REORDERING_BEYOND_LLSC
1958         bool                                     1893         bool
1959 endmenu                                          1894 endmenu
1960                                                  1895 
1961 #                                                1896 #
1962 # These two indicate any level of the MIPS32     1897 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 #                                                1898 #
1964 config CPU_MIPS32                                1899 config CPU_MIPS32
1965         bool                                     1900         bool
1966         default y if CPU_MIPS32_R1 || CPU_MIP    1901         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967                      CPU_MIPS32_R6 || CPU_P56    1902                      CPU_MIPS32_R6 || CPU_P5600
1968                                                  1903 
1969 config CPU_MIPS64                                1904 config CPU_MIPS64
1970         bool                                     1905         bool
1971         default y if CPU_MIPS64_R1 || CPU_MIP    1906         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972                      CPU_MIPS64_R6 || CPU_LOO    1907                      CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973                                                  1908 
1974 #                                                1909 #
1975 # These indicate the revision of the architec    1910 # These indicate the revision of the architecture
1976 #                                                1911 #
1977 config CPU_MIPSR1                                1912 config CPU_MIPSR1
1978         bool                                     1913         bool
1979         default y if CPU_MIPS32_R1 || CPU_MIP    1914         default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980                                                  1915 
1981 config CPU_MIPSR2                                1916 config CPU_MIPSR2
1982         bool                                     1917         bool
1983         default y if CPU_MIPS32_R2 || CPU_MIP    1918         default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984         select CPU_HAS_RIXI                      1919         select CPU_HAS_RIXI
1985         select CPU_HAS_DIEI if !CPU_DIEI_BROK    1920         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986         select MIPS_SPRAM                        1921         select MIPS_SPRAM
1987                                                  1922 
1988 config CPU_MIPSR5                                1923 config CPU_MIPSR5
1989         bool                                     1924         bool
1990         default y if CPU_MIPS32_R5 || CPU_MIP    1925         default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991         select CPU_HAS_RIXI                      1926         select CPU_HAS_RIXI
1992         select CPU_HAS_DIEI if !CPU_DIEI_BROK    1927         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993         select MIPS_SPRAM                        1928         select MIPS_SPRAM
1994                                                  1929 
1995 config CPU_MIPSR6                                1930 config CPU_MIPSR6
1996         bool                                     1931         bool
1997         default y if CPU_MIPS32_R6 || CPU_MIP    1932         default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998         select CPU_HAS_RIXI                      1933         select CPU_HAS_RIXI
1999         select CPU_HAS_DIEI if !CPU_DIEI_BROK    1934         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000         select HAVE_ARCH_BITREVERSE              1935         select HAVE_ARCH_BITREVERSE
2001         select MIPS_ASID_BITS_VARIABLE           1936         select MIPS_ASID_BITS_VARIABLE
2002         select MIPS_CRC_SUPPORT                  1937         select MIPS_CRC_SUPPORT
2003         select MIPS_SPRAM                        1938         select MIPS_SPRAM
2004                                                  1939 
2005 config TARGET_ISA_REV                            1940 config TARGET_ISA_REV
2006         int                                      1941         int
2007         default 1 if CPU_MIPSR1                  1942         default 1 if CPU_MIPSR1
2008         default 2 if CPU_MIPSR2                  1943         default 2 if CPU_MIPSR2
2009         default 5 if CPU_MIPSR5                  1944         default 5 if CPU_MIPSR5
2010         default 6 if CPU_MIPSR6                  1945         default 6 if CPU_MIPSR6
2011         default 0                                1946         default 0
2012         help                                     1947         help
2013           Reflects the ISA revision being tar    1948           Reflects the ISA revision being targeted by the kernel build. This
2014           is effectively the Kconfig equivale    1949           is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015                                                  1950 
2016 config EVA                                       1951 config EVA
2017         bool                                     1952         bool
2018                                                  1953 
2019 config XPA                                       1954 config XPA
2020         bool                                     1955         bool
2021                                                  1956 
2022 config SYS_SUPPORTS_32BIT_KERNEL                 1957 config SYS_SUPPORTS_32BIT_KERNEL
2023         bool                                     1958         bool
2024 config SYS_SUPPORTS_64BIT_KERNEL                 1959 config SYS_SUPPORTS_64BIT_KERNEL
2025         bool                                     1960         bool
2026 config CPU_SUPPORTS_32BIT_KERNEL                 1961 config CPU_SUPPORTS_32BIT_KERNEL
2027         bool                                     1962         bool
2028 config CPU_SUPPORTS_64BIT_KERNEL                 1963 config CPU_SUPPORTS_64BIT_KERNEL
2029         bool                                     1964         bool
2030 config CPU_SUPPORTS_CPUFREQ                      1965 config CPU_SUPPORTS_CPUFREQ
2031         bool                                     1966         bool
2032 config CPU_SUPPORTS_ADDRWINCFG                   1967 config CPU_SUPPORTS_ADDRWINCFG
2033         bool                                     1968         bool
2034 config CPU_SUPPORTS_HUGEPAGES                    1969 config CPU_SUPPORTS_HUGEPAGES
2035         bool                                     1970         bool
2036         depends on !(32BIT && (PHYS_ADDR_T_64    1971         depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ                        << 
2038         bool                                  << 
2039 config MIPS_PGD_C0_CONTEXT                       1972 config MIPS_PGD_C0_CONTEXT
2040         bool                                     1973         bool
2041         depends on 64BIT                         1974         depends on 64BIT
2042         default y if (CPU_MIPSR2 || CPU_MIPSR    1975         default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043                                                  1976 
2044 #                                                1977 #
2045 # Set to y for ptrace access to watch registe    1978 # Set to y for ptrace access to watch registers.
2046 #                                                1979 #
2047 config HARDWARE_WATCHPOINTS                      1980 config HARDWARE_WATCHPOINTS
2048         bool                                     1981         bool
2049         default y if CPU_MIPSR1 || CPU_MIPSR2    1982         default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050                                                  1983 
2051 menu "Kernel type"                               1984 menu "Kernel type"
2052                                                  1985 
2053 choice                                           1986 choice
2054         prompt "Kernel code model"               1987         prompt "Kernel code model"
2055         help                                     1988         help
2056           You should only select this option     1989           You should only select this option if you have a workload that
2057           actually benefits from 64-bit proce    1990           actually benefits from 64-bit processing or if your machine has
2058           large memory.  You will only be pre    1991           large memory.  You will only be presented a single option in this
2059           menu if your system does not suppor    1992           menu if your system does not support both 32-bit and 64-bit kernels.
2060                                                  1993 
2061 config 32BIT                                     1994 config 32BIT
2062         bool "32-bit kernel"                     1995         bool "32-bit kernel"
2063         depends on CPU_SUPPORTS_32BIT_KERNEL     1996         depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064         select TRAD_SIGNALS                      1997         select TRAD_SIGNALS
2065         help                                     1998         help
2066           Select this option if you want to b    1999           Select this option if you want to build a 32-bit kernel.
2067                                                  2000 
2068 config 64BIT                                     2001 config 64BIT
2069         bool "64-bit kernel"                     2002         bool "64-bit kernel"
2070         depends on CPU_SUPPORTS_64BIT_KERNEL     2003         depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071         help                                     2004         help
2072           Select this option if you want to b    2005           Select this option if you want to build a 64-bit kernel.
2073                                                  2006 
2074 endchoice                                        2007 endchoice
2075                                                  2008 
2076 config MIPS_VA_BITS_48                           2009 config MIPS_VA_BITS_48
2077         bool "48 bits virtual memory"            2010         bool "48 bits virtual memory"
2078         depends on 64BIT                         2011         depends on 64BIT
2079         help                                     2012         help
2080           Support a maximum at least 48 bits     2013           Support a maximum at least 48 bits of application virtual
2081           memory.  Default is 40 bits or less    2014           memory.  Default is 40 bits or less, depending on the CPU.
2082           For page sizes 16k and above, this     2015           For page sizes 16k and above, this option results in a small
2083           memory overhead for page tables.  F    2016           memory overhead for page tables.  For 4k page size, a fourth
2084           level of page tables is added which    2017           level of page tables is added which imposes both a memory
2085           overhead as well as slower TLB faul    2018           overhead as well as slower TLB fault handling.
2086                                                  2019 
2087           If unsure, say N.                      2020           If unsure, say N.
2088                                                  2021 
2089 config ZBOOT_LOAD_ADDRESS                        2022 config ZBOOT_LOAD_ADDRESS
2090         hex "Compressed kernel load address"     2023         hex "Compressed kernel load address"
2091         default 0xffffffff80400000 if BCM47XX    2024         default 0xffffffff80400000 if BCM47XX
2092         default 0x0                              2025         default 0x0
2093         depends on SYS_SUPPORTS_ZBOOT            2026         depends on SYS_SUPPORTS_ZBOOT
2094         help                                     2027         help
2095           The address to load compressed kern    2028           The address to load compressed kernel, aka vmlinuz.
2096                                                  2029 
2097           This is only used if non-zero.         2030           This is only used if non-zero.
2098                                                  2031 
                                                   >> 2032 choice
                                                   >> 2033         prompt "Kernel page size"
                                                   >> 2034         default PAGE_SIZE_4KB
                                                   >> 2035 
                                                   >> 2036 config PAGE_SIZE_4KB
                                                   >> 2037         bool "4kB"
                                                   >> 2038         depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
                                                   >> 2039         help
                                                   >> 2040           This option select the standard 4kB Linux page size.  On some
                                                   >> 2041           R3000-family processors this is the only available page size.  Using
                                                   >> 2042           4kB page size will minimize memory consumption and is therefore
                                                   >> 2043           recommended for low memory systems.
                                                   >> 2044 
                                                   >> 2045 config PAGE_SIZE_8KB
                                                   >> 2046         bool "8kB"
                                                   >> 2047         depends on CPU_CAVIUM_OCTEON
                                                   >> 2048         depends on !MIPS_VA_BITS_48
                                                   >> 2049         help
                                                   >> 2050           Using 8kB page size will result in higher performance kernel at
                                                   >> 2051           the price of higher memory consumption.  This option is available
                                                   >> 2052           only on cnMIPS processors.  Note that you will need a suitable Linux
                                                   >> 2053           distribution to support this.
                                                   >> 2054 
                                                   >> 2055 config PAGE_SIZE_16KB
                                                   >> 2056         bool "16kB"
                                                   >> 2057         depends on !CPU_R3000
                                                   >> 2058         help
                                                   >> 2059           Using 16kB page size will result in higher performance kernel at
                                                   >> 2060           the price of higher memory consumption.  This option is available on
                                                   >> 2061           all non-R3000 family processors.  Note that you will need a suitable
                                                   >> 2062           Linux distribution to support this.
                                                   >> 2063 
                                                   >> 2064 config PAGE_SIZE_32KB
                                                   >> 2065         bool "32kB"
                                                   >> 2066         depends on CPU_CAVIUM_OCTEON
                                                   >> 2067         depends on !MIPS_VA_BITS_48
                                                   >> 2068         help
                                                   >> 2069           Using 32kB page size will result in higher performance kernel at
                                                   >> 2070           the price of higher memory consumption.  This option is available
                                                   >> 2071           only on cnMIPS cores.  Note that you will need a suitable Linux
                                                   >> 2072           distribution to support this.
                                                   >> 2073 
                                                   >> 2074 config PAGE_SIZE_64KB
                                                   >> 2075         bool "64kB"
                                                   >> 2076         depends on !CPU_R3000
                                                   >> 2077         help
                                                   >> 2078           Using 64kB page size will result in higher performance kernel at
                                                   >> 2079           the price of higher memory consumption.  This option is available on
                                                   >> 2080           all non-R3000 family processor.  Not that at the time of this
                                                   >> 2081           writing this option is still high experimental.
                                                   >> 2082 
                                                   >> 2083 endchoice
                                                   >> 2084 
2099 config ARCH_FORCE_MAX_ORDER                      2085 config ARCH_FORCE_MAX_ORDER
2100         int "Maximum zone order"                 2086         int "Maximum zone order"
2101         default "13" if MIPS_HUGE_TLB_SUPPORT    2087         default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102         default "12" if MIPS_HUGE_TLB_SUPPORT    2088         default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103         default "11" if MIPS_HUGE_TLB_SUPPORT    2089         default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104         default "10"                             2090         default "10"
2105         help                                     2091         help
2106           The kernel memory allocator divides    2092           The kernel memory allocator divides physically contiguous memory
2107           blocks into "zones", where each zon    2093           blocks into "zones", where each zone is a power of two number of
2108           pages.  This option selects the lar    2094           pages.  This option selects the largest power of two that the kernel
2109           keeps in the memory allocator.  If     2095           keeps in the memory allocator.  If you need to allocate very large
2110           blocks of physically contiguous mem    2096           blocks of physically contiguous memory, then you may need to
2111           increase this value.                   2097           increase this value.
2112                                                  2098 
2113           The page size is not necessarily 4K    2099           The page size is not necessarily 4KB.  Keep this in mind
2114           when choosing a value for this opti    2100           when choosing a value for this option.
2115                                                  2101 
2116 config BOARD_SCACHE                              2102 config BOARD_SCACHE
2117         bool                                     2103         bool
2118                                                  2104 
2119 config IP22_CPU_SCACHE                           2105 config IP22_CPU_SCACHE
2120         bool                                     2106         bool
2121         select BOARD_SCACHE                      2107         select BOARD_SCACHE
2122                                                  2108 
2123 #                                                2109 #
2124 # Support for a MIPS32 / MIPS64 style S-cache    2110 # Support for a MIPS32 / MIPS64 style S-caches
2125 #                                                2111 #
2126 config MIPS_CPU_SCACHE                           2112 config MIPS_CPU_SCACHE
2127         bool                                     2113         bool
2128         select BOARD_SCACHE                      2114         select BOARD_SCACHE
2129                                                  2115 
2130 config R5000_CPU_SCACHE                          2116 config R5000_CPU_SCACHE
2131         bool                                     2117         bool
2132         select BOARD_SCACHE                      2118         select BOARD_SCACHE
2133                                                  2119 
2134 config RM7000_CPU_SCACHE                         2120 config RM7000_CPU_SCACHE
2135         bool                                     2121         bool
2136         select BOARD_SCACHE                      2122         select BOARD_SCACHE
2137                                                  2123 
2138 config SIBYTE_DMA_PAGEOPS                        2124 config SIBYTE_DMA_PAGEOPS
2139         bool "Use DMA to clear/copy pages"       2125         bool "Use DMA to clear/copy pages"
2140         depends on CPU_SB1                       2126         depends on CPU_SB1
2141         help                                     2127         help
2142           Instead of using the CPU to zero an    2128           Instead of using the CPU to zero and copy pages, use a Data Mover
2143           channel.  These DMA channels are ot    2129           channel.  These DMA channels are otherwise unused by the standard
2144           SiByte Linux port.  Seems to give a    2130           SiByte Linux port.  Seems to give a small performance benefit.
2145                                                  2131 
2146 config CPU_HAS_PREFETCH                          2132 config CPU_HAS_PREFETCH
2147         bool                                     2133         bool
2148                                                  2134 
2149 config CPU_GENERIC_DUMP_TLB                      2135 config CPU_GENERIC_DUMP_TLB
2150         bool                                     2136         bool
2151         default y if !CPU_R3000                  2137         default y if !CPU_R3000
2152                                                  2138 
2153 config MIPS_FP_SUPPORT                           2139 config MIPS_FP_SUPPORT
2154         bool "Floating Point support" if EXPE    2140         bool "Floating Point support" if EXPERT
2155         default y                                2141         default y
2156         help                                     2142         help
2157           Select y to include support for flo    2143           Select y to include support for floating point in the kernel
2158           including initialization of FPU har    2144           including initialization of FPU hardware, FP context save & restore
2159           and emulation of an FPU where neces    2145           and emulation of an FPU where necessary. Without this support any
2160           userland program attempting to use     2146           userland program attempting to use floating point instructions will
2161           receive a SIGILL.                      2147           receive a SIGILL.
2162                                                  2148 
2163           If you know that your userland will    2149           If you know that your userland will not attempt to use floating point
2164           instructions then you can say n her    2150           instructions then you can say n here to shrink the kernel a little.
2165                                                  2151 
2166           If unsure, say y.                      2152           If unsure, say y.
2167                                                  2153 
2168 config CPU_R2300_FPU                             2154 config CPU_R2300_FPU
2169         bool                                     2155         bool
2170         depends on MIPS_FP_SUPPORT               2156         depends on MIPS_FP_SUPPORT
2171         default y if CPU_R3000                   2157         default y if CPU_R3000
2172                                                  2158 
2173 config CPU_R3K_TLB                               2159 config CPU_R3K_TLB
2174         bool                                     2160         bool
2175                                                  2161 
2176 config CPU_R4K_FPU                               2162 config CPU_R4K_FPU
2177         bool                                     2163         bool
2178         depends on MIPS_FP_SUPPORT               2164         depends on MIPS_FP_SUPPORT
2179         default y if !CPU_R2300_FPU              2165         default y if !CPU_R2300_FPU
2180                                                  2166 
2181 config CPU_R4K_CACHE_TLB                         2167 config CPU_R4K_CACHE_TLB
2182         bool                                     2168         bool
2183         default y if !(CPU_R3K_TLB || CPU_SB1    2169         default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184                                                  2170 
2185 config MIPS_MT_SMP                               2171 config MIPS_MT_SMP
2186         bool "MIPS MT SMP support (1 TC on ea    2172         bool "MIPS MT SMP support (1 TC on each available VPE)"
2187         default y                                2173         default y
2188         depends on TARGET_ISA_REV > 0 && TARG !! 2174         depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189         depends on SYS_SUPPORTS_MULTITHREADIN << 
2190         select CPU_MIPSR2_IRQ_VI                 2175         select CPU_MIPSR2_IRQ_VI
2191         select CPU_MIPSR2_IRQ_EI                 2176         select CPU_MIPSR2_IRQ_EI
2192         select SYNC_R4K                          2177         select SYNC_R4K
2193         select MIPS_MT                           2178         select MIPS_MT
2194         select SMP                               2179         select SMP
2195         select SMP_UP                            2180         select SMP_UP
2196         select SYS_SUPPORTS_SMP                  2181         select SYS_SUPPORTS_SMP
2197         select SYS_SUPPORTS_SCHED_SMT            2182         select SYS_SUPPORTS_SCHED_SMT
2198         select MIPS_PERF_SHARED_TC_COUNTERS      2183         select MIPS_PERF_SHARED_TC_COUNTERS
2199         help                                     2184         help
2200           This is a kernel model which is kno    2185           This is a kernel model which is known as SMVP. This is supported
2201           on cores with the MT ASE and uses t    2186           on cores with the MT ASE and uses the available VPEs to implement
2202           virtual processors which supports S    2187           virtual processors which supports SMP. This is equivalent to the
2203           Intel Hyperthreading feature. For f    2188           Intel Hyperthreading feature. For further information go to
2204           <http://www.imgtec.com/mips/mips-mu    2189           <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205                                                  2190 
2206 config MIPS_MT                                   2191 config MIPS_MT
2207         bool                                     2192         bool
2208                                                  2193 
2209 config SCHED_SMT                                 2194 config SCHED_SMT
2210         bool "SMT (multithreading) scheduler     2195         bool "SMT (multithreading) scheduler support"
2211         depends on SYS_SUPPORTS_SCHED_SMT        2196         depends on SYS_SUPPORTS_SCHED_SMT
2212         default n                                2197         default n
2213         help                                     2198         help
2214           SMT scheduler support improves the     2199           SMT scheduler support improves the CPU scheduler's decision making
2215           when dealing with MIPS MT enabled c    2200           when dealing with MIPS MT enabled cores at a cost of slightly
2216           increased overhead in some places.     2201           increased overhead in some places. If unsure say N here.
2217                                                  2202 
2218 config SYS_SUPPORTS_SCHED_SMT                    2203 config SYS_SUPPORTS_SCHED_SMT
2219         bool                                     2204         bool
2220                                                  2205 
2221 config SYS_SUPPORTS_MULTITHREADING               2206 config SYS_SUPPORTS_MULTITHREADING
2222         bool                                     2207         bool
2223                                                  2208 
2224 config MIPS_MT_FPAFF                             2209 config MIPS_MT_FPAFF
2225         bool "Dynamic FPU affinity for FP-int    2210         bool "Dynamic FPU affinity for FP-intensive threads"
2226         default y                                2211         default y
2227         depends on MIPS_MT_SMP                   2212         depends on MIPS_MT_SMP
2228                                                  2213 
2229 config MIPSR2_TO_R6_EMULATOR                     2214 config MIPSR2_TO_R6_EMULATOR
2230         bool "MIPS R2-to-R6 emulator"            2215         bool "MIPS R2-to-R6 emulator"
2231         depends on CPU_MIPSR6                    2216         depends on CPU_MIPSR6
2232         depends on MIPS_FP_SUPPORT               2217         depends on MIPS_FP_SUPPORT
2233         default y                                2218         default y
2234         help                                     2219         help
2235           Choose this option if you want to r    2220           Choose this option if you want to run non-R6 MIPS userland code.
2236           Even if you say 'Y' here, the emula    2221           Even if you say 'Y' here, the emulator will still be disabled by
2237           default. You can enable it using th    2222           default. You can enable it using the 'mipsr2emu' kernel option.
2238           The only reason this is a build-tim    2223           The only reason this is a build-time option is to save ~14K from the
2239           final kernel image.                    2224           final kernel image.
2240                                                  2225 
2241 config SYS_SUPPORTS_VPE_LOADER                   2226 config SYS_SUPPORTS_VPE_LOADER
2242         bool                                     2227         bool
2243         depends on SYS_SUPPORTS_MULTITHREADIN    2228         depends on SYS_SUPPORTS_MULTITHREADING
2244         help                                     2229         help
2245           Indicates that the platform support    2230           Indicates that the platform supports the VPE loader, and provides
2246           physical_memsize.                      2231           physical_memsize.
2247                                                  2232 
2248 config MIPS_VPE_LOADER                           2233 config MIPS_VPE_LOADER
2249         bool "VPE loader support."               2234         bool "VPE loader support."
2250         depends on SYS_SUPPORTS_VPE_LOADER &&    2235         depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251         select CPU_MIPSR2_IRQ_VI                 2236         select CPU_MIPSR2_IRQ_VI
2252         select CPU_MIPSR2_IRQ_EI                 2237         select CPU_MIPSR2_IRQ_EI
2253         select MIPS_MT                           2238         select MIPS_MT
2254         help                                     2239         help
2255           Includes a loader for loading an el    2240           Includes a loader for loading an elf relocatable object
2256           onto another VPE and running it.       2241           onto another VPE and running it.
2257                                                  2242 
2258 config MIPS_VPE_LOADER_MT                        2243 config MIPS_VPE_LOADER_MT
2259         bool                                     2244         bool
2260         default "y"                              2245         default "y"
2261         depends on MIPS_VPE_LOADER               2246         depends on MIPS_VPE_LOADER
2262                                                  2247 
2263 config MIPS_VPE_LOADER_TOM                       2248 config MIPS_VPE_LOADER_TOM
2264         bool "Load VPE program into memory hi    2249         bool "Load VPE program into memory hidden from linux"
2265         depends on MIPS_VPE_LOADER               2250         depends on MIPS_VPE_LOADER
2266         default y                                2251         default y
2267         help                                     2252         help
2268           The loader can use memory that is p    2253           The loader can use memory that is present but has been hidden from
2269           Linux using the kernel command line    2254           Linux using the kernel command line option "mem=xxMB". It's up to
2270           you to ensure the amount you put in    2255           you to ensure the amount you put in the option and the space your
2271           program requires is less or equal t    2256           program requires is less or equal to the amount physically present.
2272                                                  2257 
2273 config MIPS_VPE_APSP_API                         2258 config MIPS_VPE_APSP_API
2274         bool "Enable support for AP/SP API (R    2259         bool "Enable support for AP/SP API (RTLX)"
2275         depends on MIPS_VPE_LOADER               2260         depends on MIPS_VPE_LOADER
2276                                                  2261 
2277 config MIPS_VPE_APSP_API_MT                      2262 config MIPS_VPE_APSP_API_MT
2278         bool                                     2263         bool
2279         default "y"                              2264         default "y"
2280         depends on MIPS_VPE_APSP_API             2265         depends on MIPS_VPE_APSP_API
2281                                                  2266 
2282 config MIPS_CPS                                  2267 config MIPS_CPS
2283         bool "MIPS Coherent Processing System    2268         bool "MIPS Coherent Processing System support"
2284         depends on SYS_SUPPORTS_MIPS_CPS         2269         depends on SYS_SUPPORTS_MIPS_CPS
2285         select MIPS_CM                           2270         select MIPS_CM
2286         select MIPS_CPS_PM if HOTPLUG_CPU        2271         select MIPS_CPS_PM if HOTPLUG_CPU
2287         select SMP                               2272         select SMP
2288         select HOTPLUG_CORE_SYNC_DEAD if HOTP    2273         select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
2289         select SYNC_R4K if (CEVT_R4K || CSRC_    2274         select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290         select SYS_SUPPORTS_HOTPLUG_CPU          2275         select SYS_SUPPORTS_HOTPLUG_CPU
2291         select SYS_SUPPORTS_SCHED_SMT if CPU_    2276         select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292         select SYS_SUPPORTS_SMP                  2277         select SYS_SUPPORTS_SMP
2293         select WEAK_ORDERING                     2278         select WEAK_ORDERING
2294         select GENERIC_IRQ_MIGRATION if HOTPL    2279         select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295         help                                     2280         help
2296           Select this if you wish to run an S    2281           Select this if you wish to run an SMP kernel across multiple cores
2297           within a MIPS Coherent Processing S    2282           within a MIPS Coherent Processing System. When this option is
2298           enabled the kernel will probe for o    2283           enabled the kernel will probe for other cores and boot them with
2299           no external assistance. It is safe     2284           no external assistance. It is safe to enable this when hardware
2300           support is unavailable.                2285           support is unavailable.
2301                                                  2286 
2302 config MIPS_CPS_PM                               2287 config MIPS_CPS_PM
2303         depends on MIPS_CPS                      2288         depends on MIPS_CPS
2304         bool                                     2289         bool
2305                                                  2290 
2306 config MIPS_CM                                   2291 config MIPS_CM
2307         bool                                     2292         bool
2308         select MIPS_CPC                          2293         select MIPS_CPC
2309                                                  2294 
2310 config MIPS_CPC                                  2295 config MIPS_CPC
2311         bool                                     2296         bool
2312                                                  2297 
2313 config SB1_PASS_2_WORKAROUNDS                    2298 config SB1_PASS_2_WORKAROUNDS
2314         bool                                     2299         bool
2315         depends on CPU_SB1 && (CPU_SB1_PASS_2    2300         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316         default y                                2301         default y
2317                                                  2302 
2318 config SB1_PASS_2_1_WORKAROUNDS                  2303 config SB1_PASS_2_1_WORKAROUNDS
2319         bool                                     2304         bool
2320         depends on CPU_SB1 && CPU_SB1_PASS_2     2305         depends on CPU_SB1 && CPU_SB1_PASS_2
2321         default y                                2306         default y
2322                                                  2307 
2323 choice                                           2308 choice
2324         prompt "SmartMIPS or microMIPS ASE su    2309         prompt "SmartMIPS or microMIPS ASE support"
2325                                                  2310 
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS       2311 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327         bool "None"                              2312         bool "None"
2328         help                                     2313         help
2329           Select this if you want neither mic    2314           Select this if you want neither microMIPS nor SmartMIPS support
2330                                                  2315 
2331 config CPU_HAS_SMARTMIPS                         2316 config CPU_HAS_SMARTMIPS
2332         depends on SYS_SUPPORTS_SMARTMIPS        2317         depends on SYS_SUPPORTS_SMARTMIPS
2333         bool "SmartMIPS"                         2318         bool "SmartMIPS"
2334         help                                     2319         help
2335           SmartMIPS is a extension of the MIP    2320           SmartMIPS is a extension of the MIPS32 architecture aimed at
2336           increased security at both hardware    2321           increased security at both hardware and software level for
2337           smartcards.  Enabling this option w    2322           smartcards.  Enabling this option will allow proper use of the
2338           SmartMIPS instructions by Linux app    2323           SmartMIPS instructions by Linux applications.  However a kernel with
2339           this option will not work on a MIPS    2324           this option will not work on a MIPS core without SmartMIPS core.  If
2340           you don't know you probably don't h    2325           you don't know you probably don't have SmartMIPS and should say N
2341           here.                                  2326           here.
2342                                                  2327 
2343 config CPU_MICROMIPS                             2328 config CPU_MICROMIPS
2344         depends on 32BIT && SYS_SUPPORTS_MICR    2329         depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345         bool "microMIPS"                         2330         bool "microMIPS"
2346         help                                     2331         help
2347           When this option is enabled the ker    2332           When this option is enabled the kernel will be built using the
2348           microMIPS ISA                          2333           microMIPS ISA
2349                                                  2334 
2350 endchoice                                        2335 endchoice
2351                                                  2336 
2352 config CPU_HAS_MSA                               2337 config CPU_HAS_MSA
2353         bool "Support for the MIPS SIMD Archi    2338         bool "Support for the MIPS SIMD Architecture"
2354         depends on CPU_SUPPORTS_MSA              2339         depends on CPU_SUPPORTS_MSA
2355         depends on MIPS_FP_SUPPORT               2340         depends on MIPS_FP_SUPPORT
2356         depends on 64BIT || MIPS_O32_FP64_SUP    2341         depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357         help                                     2342         help
2358           MIPS SIMD Architecture (MSA) introd    2343           MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359           and a set of SIMD instructions to o    2344           and a set of SIMD instructions to operate on them. When this option
2360           is enabled the kernel will support     2345           is enabled the kernel will support allocating & switching MSA
2361           vector register contexts. If you kn    2346           vector register contexts. If you know that your kernel will only be
2362           running on CPUs which do not suppor    2347           running on CPUs which do not support MSA or that your userland will
2363           not be making use of it then you ma    2348           not be making use of it then you may wish to say N here to reduce
2364           the size & complexity of your kerne    2349           the size & complexity of your kernel.
2365                                                  2350 
2366           If unsure, say Y.                      2351           If unsure, say Y.
2367                                                  2352 
2368 config CPU_HAS_WB                                2353 config CPU_HAS_WB
2369         bool                                     2354         bool
2370                                                  2355 
2371 config XKS01                                     2356 config XKS01
2372         bool                                     2357         bool
2373                                                  2358 
2374 config CPU_HAS_DIEI                              2359 config CPU_HAS_DIEI
2375         depends on !CPU_DIEI_BROKEN              2360         depends on !CPU_DIEI_BROKEN
2376         bool                                     2361         bool
2377                                                  2362 
2378 config CPU_DIEI_BROKEN                           2363 config CPU_DIEI_BROKEN
2379         bool                                     2364         bool
2380                                                  2365 
2381 config CPU_HAS_RIXI                              2366 config CPU_HAS_RIXI
2382         bool                                     2367         bool
2383                                                  2368 
2384 config CPU_NO_LOAD_STORE_LR                      2369 config CPU_NO_LOAD_STORE_LR
2385         bool                                     2370         bool
2386         help                                     2371         help
2387           CPU lacks support for unaligned loa    2372           CPU lacks support for unaligned load and store instructions:
2388           LWL, LWR, SWL, SWR (Load/store word    2373           LWL, LWR, SWL, SWR (Load/store word left/right).
2389           LDL, LDR, SDL, SDR (Load/store doub    2374           LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390           systems).                              2375           systems).
2391                                                  2376 
2392 #                                                2377 #
2393 # Vectored interrupt mode is an R2 feature       2378 # Vectored interrupt mode is an R2 feature
2394 #                                                2379 #
2395 config CPU_MIPSR2_IRQ_VI                         2380 config CPU_MIPSR2_IRQ_VI
2396         bool                                     2381         bool
2397                                                  2382 
2398 #                                                2383 #
2399 # Extended interrupt mode is an R2 feature       2384 # Extended interrupt mode is an R2 feature
2400 #                                                2385 #
2401 config CPU_MIPSR2_IRQ_EI                         2386 config CPU_MIPSR2_IRQ_EI
2402         bool                                     2387         bool
2403                                                  2388 
2404 config CPU_HAS_SYNC                              2389 config CPU_HAS_SYNC
2405         bool                                     2390         bool
2406         depends on !CPU_R3000                    2391         depends on !CPU_R3000
2407         default y                                2392         default y
2408                                                  2393 
2409 #                                                2394 #
2410 # CPU non-features                               2395 # CPU non-features
2411 #                                                2396 #
2412                                                  2397 
2413 # Work around the "daddi" and "daddiu" CPU er    2398 # Work around the "daddi" and "daddiu" CPU errata:
2414 #                                                2399 #
2415 # - The `daddi' instruction fails to trap on     2400 # - The `daddi' instruction fails to trap on overflow.
2416 #   "MIPS R4000PC/SC Errata, Processor Revisi    2401 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2417 #   erratum #23                                  2402 #   erratum #23
2418 #                                                2403 #
2419 # - The `daddiu' instruction can produce an i    2404 # - The `daddiu' instruction can produce an incorrect result.
2420 #   "MIPS R4000PC/SC Errata, Processor Revisi    2405 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2421 #   erratum #41                                  2406 #   erratum #41
2422 #   "MIPS R4000MC Errata, Processor Revision     2407 #   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2423 #   #15                                          2408 #   #15
2424 #   "MIPS R4400PC/SC Errata, Processor Revisi    2409 #   "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
2425 #   "MIPS R4400MC Errata, Processor Revision     2410 #   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
2426 config CPU_DADDI_WORKAROUNDS                     2411 config CPU_DADDI_WORKAROUNDS
2427         bool                                     2412         bool
2428                                                  2413 
2429 # Work around certain R4000 CPU errata (as im    2414 # Work around certain R4000 CPU errata (as implemented by GCC):
2430 #                                                2415 #
2431 # - A double-word or a variable shift may giv    2416 # - A double-word or a variable shift may give an incorrect result
2432 #   if executed immediately after starting an    2417 #   if executed immediately after starting an integer division:
2433 #   "MIPS R4000PC/SC Errata, Processor Revisi    2418 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2434 #   erratum #28                                  2419 #   erratum #28
2435 #   "MIPS R4000MC Errata, Processor Revision     2420 #   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2436 #   #19                                          2421 #   #19
2437 #                                                2422 #
2438 # - A double-word or a variable shift may giv    2423 # - A double-word or a variable shift may give an incorrect result
2439 #   if executed while an integer multiplicati    2424 #   if executed while an integer multiplication is in progress:
2440 #   "MIPS R4000PC/SC Errata, Processor Revisi    2425 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2441 #   errata #16 & #28                             2426 #   errata #16 & #28
2442 #                                                2427 #
2443 # - An integer division may give an incorrect    2428 # - An integer division may give an incorrect result if started in
2444 #   a delay slot of a taken branch or a jump:    2429 #   a delay slot of a taken branch or a jump:
2445 #   "MIPS R4000PC/SC Errata, Processor Revisi    2430 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2446 #   erratum #52                                  2431 #   erratum #52
2447 config CPU_R4000_WORKAROUNDS                     2432 config CPU_R4000_WORKAROUNDS
2448         bool                                     2433         bool
2449         select CPU_R4400_WORKAROUNDS             2434         select CPU_R4400_WORKAROUNDS
2450                                                  2435 
2451 # Work around certain R4400 CPU errata (as im    2436 # Work around certain R4400 CPU errata (as implemented by GCC):
2452 #                                                2437 #
2453 # - A double-word or a variable shift may giv    2438 # - A double-word or a variable shift may give an incorrect result
2454 #   if executed immediately after starting an    2439 #   if executed immediately after starting an integer division:
2455 #   "MIPS R4400MC Errata, Processor Revision     2440 #   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
2456 #   "MIPS R4400MC Errata, Processor Revision     2441 #   "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
2457 config CPU_R4400_WORKAROUNDS                     2442 config CPU_R4400_WORKAROUNDS
2458         bool                                     2443         bool
2459                                                  2444 
2460 config CPU_R4X00_BUGS64                          2445 config CPU_R4X00_BUGS64
2461         bool                                     2446         bool
2462         default y if SYS_HAS_CPU_R4X00 && 64B    2447         default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463                                                  2448 
2464 config MIPS_ASID_SHIFT                           2449 config MIPS_ASID_SHIFT
2465         int                                      2450         int
2466         default 6 if CPU_R3000                   2451         default 6 if CPU_R3000
2467         default 0                                2452         default 0
2468                                                  2453 
2469 config MIPS_ASID_BITS                            2454 config MIPS_ASID_BITS
2470         int                                      2455         int
2471         default 0 if MIPS_ASID_BITS_VARIABLE     2456         default 0 if MIPS_ASID_BITS_VARIABLE
2472         default 6 if CPU_R3000                   2457         default 6 if CPU_R3000
2473         default 8                                2458         default 8
2474                                                  2459 
2475 config MIPS_ASID_BITS_VARIABLE                   2460 config MIPS_ASID_BITS_VARIABLE
2476         bool                                     2461         bool
2477                                                  2462 
2478 config MIPS_CRC_SUPPORT                          2463 config MIPS_CRC_SUPPORT
2479         bool                                     2464         bool
2480                                                  2465 
2481 # R4600 erratum.  Due to the lack of errata i    2466 # R4600 erratum.  Due to the lack of errata information the exact
2482 # technical details aren't known.  I've exper    2467 # technical details aren't known.  I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s    2468 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue.                                2469 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP               2470 config WAR_R4600_V1_INDEX_ICACHEOP
2486         bool                                     2471         bool
2487                                                  2472 
2488 # Pleasures of the R4600 V1.x.  Cite from the    2473 # Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
2489 #                                                2474 #
2490 #  18. The CACHE instructions Hit_Writeback_I    2475 #  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 #      Hit_Invalidate_D and Create_Dirty_Excl    2476 #      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 #      executed if there is no other dcache a    2477 #      executed if there is no other dcache activity. If the dcache is
2493 #      accessed for another instruction immed    2478 #      accessed for another instruction immediately preceding when these
2494 #      cache instructions are executing, it i    2479 #      cache instructions are executing, it is possible that the dcache
2495 #      tag match outputs used by these cache     2480 #      tag match outputs used by these cache instructions will be
2496 #      incorrect. These cache instructions sh    2481 #      incorrect. These cache instructions should be preceded by at least
2497 #      four instructions that are not any kin    2482 #      four instructions that are not any kind of load or store
2498 #      instruction.                              2483 #      instruction.
2499 #                                                2484 #
2500 #      This is not allowed:    lw                2485 #      This is not allowed:    lw
2501 #                              nop               2486 #                              nop
2502 #                              nop               2487 #                              nop
2503 #                              nop               2488 #                              nop
2504 #                              cache       Hi    2489 #                              cache       Hit_Writeback_Invalidate_D
2505 #                                                2490 #
2506 #      This is allowed:        lw                2491 #      This is allowed:        lw
2507 #                              nop               2492 #                              nop
2508 #                              nop               2493 #                              nop
2509 #                              nop               2494 #                              nop
2510 #                              nop               2495 #                              nop
2511 #                              cache       Hi    2496 #                              cache       Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP                  2497 config WAR_R4600_V1_HIT_CACHEOP
2513         bool                                     2498         bool
2514                                                  2499 
2515 # Writeback and invalidate the primary cache     2500 # Writeback and invalidate the primary cache dcache before DMA.
2516 #                                                2501 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit    2502 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat    2503 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach    2504 # operate correctly if the internal data cache refill buffer is empty.  These
2520 # CACHE instructions should be separated from    2505 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres    2506 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa    2507 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.)                               2508 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP                  2509 config WAR_R4600_V2_HIT_CACHEOP
2525         bool                                     2510         bool
2526                                                  2511 
2527 # From TX49/H2 manual: "If the instruction (i    2512 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis    2513 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed."                  2514 # operation is not guaranteed."
2530 #                                                2515 #
2531 # Workaround: do two phase flushing for Index    2516 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV               2517 config WAR_TX49XX_ICACHE_INDEX_INV
2533         bool                                     2518         bool
2534                                                  2519 
2535 # The RM7000 processors and the E9000 cores h    2520 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid    2521 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe    2522 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions.                                    2523 # exceptions.
2539 config WAR_ICACHE_REFILLS                        2524 config WAR_ICACHE_REFILLS
2540         bool                                     2525         bool
2541                                                  2526 
2542 # On the R10000 up to version 2.6 (not sure a    2527 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
2543 # may cause ll / sc and lld / scd sequences t    2528 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC                           2529 config WAR_R10000_LLSC
2545         bool                                     2530         bool
2546                                                  2531 
2547 # 34K core erratum: "Problems Executing the T    2532 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB                   2533 config WAR_MIPS34K_MISSED_ITLB
2549         bool                                     2534         bool
2550                                                  2535 
2551 #                                                2536 #
2552 # - Highmem only makes sense for the 32-bit k    2537 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p    2538 # - The current highmem code will only work properly on physically indexed
2554 #   caches such as R3000, SB1, R7000 or those    2539 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 #   indexed such as R4000/R4400 SC and MC ver    2540 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2556 #   moment we protect the user and offer the     2541 #   moment we protect the user and offer the highmem option only on machines
2557 #   where it's known to be safe.  This will n    2542 #   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     2543 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 #   indexed CPUs but we're playing safe.         2544 #   indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high    2545 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 #   know they might have memory configuration    2546 #   know they might have memory configurations that could make use of highmem
2562 #   support.                                     2547 #   support.
2563 #                                                2548 #
2564 config HIGHMEM                                   2549 config HIGHMEM
2565         bool "High Memory Support"               2550         bool "High Memory Support"
2566         depends on 32BIT && CPU_SUPPORTS_HIGH    2551         depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567         select KMAP_LOCAL                        2552         select KMAP_LOCAL
2568                                                  2553 
2569 config CPU_SUPPORTS_HIGHMEM                      2554 config CPU_SUPPORTS_HIGHMEM
2570         bool                                     2555         bool
2571                                                  2556 
2572 config SYS_SUPPORTS_HIGHMEM                      2557 config SYS_SUPPORTS_HIGHMEM
2573         bool                                     2558         bool
2574                                                  2559 
2575 config SYS_SUPPORTS_SMARTMIPS                    2560 config SYS_SUPPORTS_SMARTMIPS
2576         bool                                     2561         bool
2577                                                  2562 
2578 config SYS_SUPPORTS_MICROMIPS                    2563 config SYS_SUPPORTS_MICROMIPS
2579         bool                                     2564         bool
2580                                                  2565 
2581 config SYS_SUPPORTS_MIPS16                       2566 config SYS_SUPPORTS_MIPS16
2582         bool                                     2567         bool
2583         help                                     2568         help
2584           This option must be set if a kernel    2569           This option must be set if a kernel might be executed on a MIPS16-
2585           enabled CPU even if MIPS16 is not a    2570           enabled CPU even if MIPS16 is not actually being used.  In other
2586           words, it makes the kernel MIPS16-t    2571           words, it makes the kernel MIPS16-tolerant.
2587                                                  2572 
2588 config CPU_SUPPORTS_MSA                          2573 config CPU_SUPPORTS_MSA
2589         bool                                     2574         bool
2590                                                  2575 
2591 config ARCH_FLATMEM_ENABLE                       2576 config ARCH_FLATMEM_ENABLE
2592         def_bool y                               2577         def_bool y
2593         depends on !NUMA && !CPU_LOONGSON2EF     2578         depends on !NUMA && !CPU_LOONGSON2EF
2594                                                  2579 
2595 config ARCH_SPARSEMEM_ENABLE                     2580 config ARCH_SPARSEMEM_ENABLE
2596         bool                                     2581         bool
2597                                                  2582 
2598 config NUMA                                      2583 config NUMA
2599         bool "NUMA Support"                      2584         bool "NUMA Support"
2600         depends on SYS_SUPPORTS_NUMA             2585         depends on SYS_SUPPORTS_NUMA
2601         select SMP                               2586         select SMP
2602         select HAVE_SETUP_PER_CPU_AREA           2587         select HAVE_SETUP_PER_CPU_AREA
2603         select NEED_PER_CPU_EMBED_FIRST_CHUNK    2588         select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604         help                                     2589         help
2605           Say Y to compile the kernel to supp    2590           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606           Access).  This option improves perf    2591           Access).  This option improves performance on systems with more
2607           than two nodes; on two node systems    2592           than two nodes; on two node systems it is generally better to
2608           leave it disabled; on single node s    2593           leave it disabled; on single node systems leave this option
2609           disabled.                              2594           disabled.
2610                                                  2595 
2611 config SYS_SUPPORTS_NUMA                         2596 config SYS_SUPPORTS_NUMA
2612         bool                                     2597         bool
2613                                                  2598 
                                                   >> 2599 config HAVE_ARCH_NODEDATA_EXTENSION
                                                   >> 2600         bool
                                                   >> 2601 
2614 config RELOCATABLE                               2602 config RELOCATABLE
2615         bool "Relocatable kernel"                2603         bool "Relocatable kernel"
2616         depends on SYS_SUPPORTS_RELOCATABLE      2604         depends on SYS_SUPPORTS_RELOCATABLE
2617         depends on CPU_MIPS32_R2 || CPU_MIPS6    2605         depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618                    CPU_MIPS32_R5 || CPU_MIPS6    2606                    CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619                    CPU_MIPS32_R6 || CPU_MIPS6    2607                    CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620                    CPU_P5600 || CAVIUM_OCTEON    2608                    CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621                    CPU_LOONGSON64                2609                    CPU_LOONGSON64
2622         help                                     2610         help
2623           This builds a kernel image that ret    2611           This builds a kernel image that retains relocation information
2624           so it can be loaded someplace besid    2612           so it can be loaded someplace besides the default 1MB.
2625           The relocations make the kernel bin    2613           The relocations make the kernel binary about 15% larger,
2626           but are discarded at runtime           2614           but are discarded at runtime
2627                                                  2615 
2628 config RELOCATION_TABLE_SIZE                     2616 config RELOCATION_TABLE_SIZE
2629         hex "Relocation table size"              2617         hex "Relocation table size"
2630         depends on RELOCATABLE                   2618         depends on RELOCATABLE
2631         range 0x0 0x01000000                     2619         range 0x0 0x01000000
2632         default "0x00200000" if CPU_LOONGSON6    2620         default "0x00200000" if CPU_LOONGSON64
2633         default "0x00100000"                     2621         default "0x00100000"
2634         help                                     2622         help
2635           A table of relocation data will be     2623           A table of relocation data will be appended to the kernel binary
2636           and parsed at boot to fix up the re    2624           and parsed at boot to fix up the relocated kernel.
2637                                                  2625 
2638           This option allows the amount of sp    2626           This option allows the amount of space reserved for the table to be
2639           adjusted, although the default of 1    2627           adjusted, although the default of 1Mb should be ok in most cases.
2640                                                  2628 
2641           The build will fail and a valid siz    2629           The build will fail and a valid size suggested if this is too small.
2642                                                  2630 
2643           If unsure, leave at the default val    2631           If unsure, leave at the default value.
2644                                                  2632 
2645 config RANDOMIZE_BASE                            2633 config RANDOMIZE_BASE
2646         bool "Randomize the address of the ke    2634         bool "Randomize the address of the kernel image"
2647         depends on RELOCATABLE                   2635         depends on RELOCATABLE
2648         help                                     2636         help
2649           Randomizes the physical and virtual    2637           Randomizes the physical and virtual address at which the
2650           kernel image is loaded, as a securi    2638           kernel image is loaded, as a security feature that
2651           deters exploit attempts relying on     2639           deters exploit attempts relying on knowledge of the location
2652           of kernel internals.                   2640           of kernel internals.
2653                                                  2641 
2654           Entropy is generated using any copr    2642           Entropy is generated using any coprocessor 0 registers available.
2655                                                  2643 
2656           The kernel will be offset by up to     2644           The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657                                                  2645 
2658           If unsure, say N.                      2646           If unsure, say N.
2659                                                  2647 
2660 config RANDOMIZE_BASE_MAX_OFFSET                 2648 config RANDOMIZE_BASE_MAX_OFFSET
2661         hex "Maximum kASLR offset" if EXPERT     2649         hex "Maximum kASLR offset" if EXPERT
2662         depends on RANDOMIZE_BASE                2650         depends on RANDOMIZE_BASE
2663         range 0x0 0x40000000 if EVA || 64BIT     2651         range 0x0 0x40000000 if EVA || 64BIT
2664         range 0x0 0x08000000                     2652         range 0x0 0x08000000
2665         default "0x01000000"                     2653         default "0x01000000"
2666         help                                     2654         help
2667           When kASLR is active, this provides    2655           When kASLR is active, this provides the maximum offset that will
2668           be applied to the kernel image. It     2656           be applied to the kernel image. It should be set according to the
2669           amount of physical RAM available in    2657           amount of physical RAM available in the target system minus
2670           PHYSICAL_START and must be a power     2658           PHYSICAL_START and must be a power of 2.
2671                                                  2659 
2672           This is limited by the size of KSEG    2660           This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673           EVA or 64-bit. The default is 16Mb.    2661           EVA or 64-bit. The default is 16Mb.
2674                                                  2662 
2675 config NODES_SHIFT                               2663 config NODES_SHIFT
2676         int                                      2664         int
2677         default "6"                              2665         default "6"
2678         depends on NUMA                          2666         depends on NUMA
2679                                                  2667 
2680 config HW_PERF_EVENTS                            2668 config HW_PERF_EVENTS
2681         bool "Enable hardware performance cou    2669         bool "Enable hardware performance counter support for perf events"
2682         depends on PERF_EVENTS && (CPU_MIPS32    2670         depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683         default y                                2671         default y
2684         help                                     2672         help
2685           Enable hardware performance counter    2673           Enable hardware performance counter support for perf events. If
2686           disabled, perf events will use soft    2674           disabled, perf events will use software events only.
2687                                                  2675 
2688 config DMI                                       2676 config DMI
2689         bool "Enable DMI scanning"               2677         bool "Enable DMI scanning"
2690         depends on MACH_LOONGSON64               2678         depends on MACH_LOONGSON64
2691         select DMI_SCAN_MACHINE_NON_EFI_FALLB    2679         select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692         default y                                2680         default y
2693         help                                     2681         help
2694           Enabled scanning of DMI to identify    2682           Enabled scanning of DMI to identify machine quirks. Say Y
2695           here unless you have verified that     2683           here unless you have verified that your setup is not
2696           affected by entries in the DMI blac    2684           affected by entries in the DMI blacklist. Required by PNP
2697           BIOS code.                             2685           BIOS code.
2698                                                  2686 
2699 config SMP                                       2687 config SMP
2700         bool "Multi-Processing support"          2688         bool "Multi-Processing support"
2701         depends on SYS_SUPPORTS_SMP              2689         depends on SYS_SUPPORTS_SMP
2702         help                                     2690         help
2703           This enables support for systems wi    2691           This enables support for systems with more than one CPU. If you have
2704           a system with only one CPU, say N.     2692           a system with only one CPU, say N. If you have a system with more
2705           than one CPU, say Y.                   2693           than one CPU, say Y.
2706                                                  2694 
2707           If you say N here, the kernel will     2695           If you say N here, the kernel will run on uni- and multiprocessor
2708           machines, but will use only one CPU    2696           machines, but will use only one CPU of a multiprocessor machine. If
2709           you say Y here, the kernel will run    2697           you say Y here, the kernel will run on many, but not all,
2710           uniprocessor machines. On a uniproc    2698           uniprocessor machines. On a uniprocessor machine, the kernel
2711           will run faster if you say N here.     2699           will run faster if you say N here.
2712                                                  2700 
2713           People using multiprocessor machine    2701           People using multiprocessor machines who say Y here should also say
2714           Y to "Enhanced Real Time Clock Supp    2702           Y to "Enhanced Real Time Clock Support", below.
2715                                                  2703 
2716           See also the SMP-HOWTO available at    2704           See also the SMP-HOWTO available at
2717           <https://www.tldp.org/docs.html#how    2705           <https://www.tldp.org/docs.html#howto>.
2718                                                  2706 
2719           If you don't know what to do here,     2707           If you don't know what to do here, say N.
2720                                                  2708 
2721 config HOTPLUG_CPU                               2709 config HOTPLUG_CPU
2722         bool "Support for hot-pluggable CPUs"    2710         bool "Support for hot-pluggable CPUs"
2723         depends on SMP && SYS_SUPPORTS_HOTPLU    2711         depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724         help                                     2712         help
2725           Say Y here to allow turning CPUs of    2713           Say Y here to allow turning CPUs off and on. CPUs can be
2726           controlled through /sys/devices/sys    2714           controlled through /sys/devices/system/cpu.
2727           (Note: power management support wil    2715           (Note: power management support will enable this option
2728             automatically on SMP systems. )      2716             automatically on SMP systems. )
2729           Say N if you want to disable CPU ho    2717           Say N if you want to disable CPU hotplug.
2730                                                  2718 
2731 config SMP_UP                                    2719 config SMP_UP
2732         bool                                     2720         bool
2733                                                  2721 
2734 config SYS_SUPPORTS_MIPS_CPS                     2722 config SYS_SUPPORTS_MIPS_CPS
2735         bool                                     2723         bool
2736                                                  2724 
2737 config SYS_SUPPORTS_SMP                          2725 config SYS_SUPPORTS_SMP
2738         bool                                     2726         bool
2739                                                  2727 
2740 config NR_CPUS_DEFAULT_4                         2728 config NR_CPUS_DEFAULT_4
2741         bool                                     2729         bool
2742                                                  2730 
2743 config NR_CPUS_DEFAULT_8                         2731 config NR_CPUS_DEFAULT_8
2744         bool                                     2732         bool
2745                                                  2733 
2746 config NR_CPUS_DEFAULT_16                        2734 config NR_CPUS_DEFAULT_16
2747         bool                                     2735         bool
2748                                                  2736 
2749 config NR_CPUS_DEFAULT_32                        2737 config NR_CPUS_DEFAULT_32
2750         bool                                     2738         bool
2751                                                  2739 
2752 config NR_CPUS_DEFAULT_64                        2740 config NR_CPUS_DEFAULT_64
2753         bool                                     2741         bool
2754                                                  2742 
2755 config NR_CPUS                                   2743 config NR_CPUS
2756         int "Maximum number of CPUs (2-256)"     2744         int "Maximum number of CPUs (2-256)"
2757         range 2 256                              2745         range 2 256
2758         depends on SMP                           2746         depends on SMP
2759         default "4" if NR_CPUS_DEFAULT_4         2747         default "4" if NR_CPUS_DEFAULT_4
2760         default "8" if NR_CPUS_DEFAULT_8         2748         default "8" if NR_CPUS_DEFAULT_8
2761         default "16" if NR_CPUS_DEFAULT_16       2749         default "16" if NR_CPUS_DEFAULT_16
2762         default "32" if NR_CPUS_DEFAULT_32       2750         default "32" if NR_CPUS_DEFAULT_32
2763         default "64" if NR_CPUS_DEFAULT_64       2751         default "64" if NR_CPUS_DEFAULT_64
2764         help                                     2752         help
2765           This allows you to specify the maxi    2753           This allows you to specify the maximum number of CPUs which this
2766           kernel will support.  The maximum s    2754           kernel will support.  The maximum supported value is 32 for 32-bit
2767           kernel and 64 for 64-bit kernels; t    2755           kernel and 64 for 64-bit kernels; the minimum value which makes
2768           sense is 1 for Qemu (useful only fo    2756           sense is 1 for Qemu (useful only for kernel debugging purposes)
2769           and 2 for all others.                  2757           and 2 for all others.
2770                                                  2758 
2771           This is purely to save memory - eac    2759           This is purely to save memory - each supported CPU adds
2772           approximately eight kilobytes to th    2760           approximately eight kilobytes to the kernel image.  For best
2773           performance should round up your nu    2761           performance should round up your number of processors to the next
2774           power of two.                          2762           power of two.
2775                                                  2763 
2776 config MIPS_PERF_SHARED_TC_COUNTERS              2764 config MIPS_PERF_SHARED_TC_COUNTERS
2777         bool                                     2765         bool
2778                                                  2766 
2779 config MIPS_NR_CPU_NR_MAP_1024                   2767 config MIPS_NR_CPU_NR_MAP_1024
2780         bool                                     2768         bool
2781                                                  2769 
2782 config MIPS_NR_CPU_NR_MAP                        2770 config MIPS_NR_CPU_NR_MAP
2783         int                                      2771         int
2784         depends on SMP                           2772         depends on SMP
2785         default 1024 if MIPS_NR_CPU_NR_MAP_10    2773         default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786         default NR_CPUS if !MIPS_NR_CPU_NR_MA    2774         default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787                                                  2775 
2788 #                                                2776 #
2789 # Timer Interrupt Frequency Configuration        2777 # Timer Interrupt Frequency Configuration
2790 #                                                2778 #
2791                                                  2779 
2792 choice                                           2780 choice
2793         prompt "Timer frequency"                 2781         prompt "Timer frequency"
2794         default HZ_250                           2782         default HZ_250
2795         help                                     2783         help
2796           Allows the configuration of the tim    2784           Allows the configuration of the timer frequency.
2797                                                  2785 
2798         config HZ_24                             2786         config HZ_24
2799                 bool "24 HZ" if SYS_SUPPORTS_    2787                 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800                                                  2788 
2801         config HZ_48                             2789         config HZ_48
2802                 bool "48 HZ" if SYS_SUPPORTS_    2790                 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803                                                  2791 
2804         config HZ_100                            2792         config HZ_100
2805                 bool "100 HZ" if SYS_SUPPORTS    2793                 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806                                                  2794 
2807         config HZ_128                            2795         config HZ_128
2808                 bool "128 HZ" if SYS_SUPPORTS    2796                 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809                                                  2797 
2810         config HZ_250                            2798         config HZ_250
2811                 bool "250 HZ" if SYS_SUPPORTS    2799                 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812                                                  2800 
2813         config HZ_256                            2801         config HZ_256
2814                 bool "256 HZ" if SYS_SUPPORTS    2802                 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815                                                  2803 
2816         config HZ_1000                           2804         config HZ_1000
2817                 bool "1000 HZ" if SYS_SUPPORT    2805                 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818                                                  2806 
2819         config HZ_1024                           2807         config HZ_1024
2820                 bool "1024 HZ" if SYS_SUPPORT    2808                 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821                                                  2809 
2822 endchoice                                        2810 endchoice
2823                                                  2811 
2824 config SYS_SUPPORTS_24HZ                         2812 config SYS_SUPPORTS_24HZ
2825         bool                                     2813         bool
2826                                                  2814 
2827 config SYS_SUPPORTS_48HZ                         2815 config SYS_SUPPORTS_48HZ
2828         bool                                     2816         bool
2829                                                  2817 
2830 config SYS_SUPPORTS_100HZ                        2818 config SYS_SUPPORTS_100HZ
2831         bool                                     2819         bool
2832                                                  2820 
2833 config SYS_SUPPORTS_128HZ                        2821 config SYS_SUPPORTS_128HZ
2834         bool                                     2822         bool
2835                                                  2823 
2836 config SYS_SUPPORTS_250HZ                        2824 config SYS_SUPPORTS_250HZ
2837         bool                                     2825         bool
2838                                                  2826 
2839 config SYS_SUPPORTS_256HZ                        2827 config SYS_SUPPORTS_256HZ
2840         bool                                     2828         bool
2841                                                  2829 
2842 config SYS_SUPPORTS_1000HZ                       2830 config SYS_SUPPORTS_1000HZ
2843         bool                                     2831         bool
2844                                                  2832 
2845 config SYS_SUPPORTS_1024HZ                       2833 config SYS_SUPPORTS_1024HZ
2846         bool                                     2834         bool
2847                                                  2835 
2848 config SYS_SUPPORTS_ARBIT_HZ                     2836 config SYS_SUPPORTS_ARBIT_HZ
2849         bool                                     2837         bool
2850         default y if !SYS_SUPPORTS_24HZ && \     2838         default y if !SYS_SUPPORTS_24HZ && \
2851                      !SYS_SUPPORTS_48HZ && \     2839                      !SYS_SUPPORTS_48HZ && \
2852                      !SYS_SUPPORTS_100HZ && \    2840                      !SYS_SUPPORTS_100HZ && \
2853                      !SYS_SUPPORTS_128HZ && \    2841                      !SYS_SUPPORTS_128HZ && \
2854                      !SYS_SUPPORTS_250HZ && \    2842                      !SYS_SUPPORTS_250HZ && \
2855                      !SYS_SUPPORTS_256HZ && \    2843                      !SYS_SUPPORTS_256HZ && \
2856                      !SYS_SUPPORTS_1000HZ &&     2844                      !SYS_SUPPORTS_1000HZ && \
2857                      !SYS_SUPPORTS_1024HZ        2845                      !SYS_SUPPORTS_1024HZ
2858                                                  2846 
2859 config HZ                                        2847 config HZ
2860         int                                      2848         int
2861         default 24 if HZ_24                      2849         default 24 if HZ_24
2862         default 48 if HZ_48                      2850         default 48 if HZ_48
2863         default 100 if HZ_100                    2851         default 100 if HZ_100
2864         default 128 if HZ_128                    2852         default 128 if HZ_128
2865         default 250 if HZ_250                    2853         default 250 if HZ_250
2866         default 256 if HZ_256                    2854         default 256 if HZ_256
2867         default 1000 if HZ_1000                  2855         default 1000 if HZ_1000
2868         default 1024 if HZ_1024                  2856         default 1024 if HZ_1024
2869                                                  2857 
2870 config SCHED_HRTICK                              2858 config SCHED_HRTICK
2871         def_bool HIGH_RES_TIMERS                 2859         def_bool HIGH_RES_TIMERS
2872                                                  2860 
2873 config ARCH_SUPPORTS_KEXEC                       2861 config ARCH_SUPPORTS_KEXEC
2874         def_bool y                               2862         def_bool y
2875                                                  2863 
2876 config ARCH_SUPPORTS_CRASH_DUMP                  2864 config ARCH_SUPPORTS_CRASH_DUMP
2877         def_bool y                               2865         def_bool y
2878                                                  2866 
2879 config PHYSICAL_START                            2867 config PHYSICAL_START
2880         hex "Physical address where the kerne    2868         hex "Physical address where the kernel is loaded"
2881         default "0xffffffff84000000"             2869         default "0xffffffff84000000"
2882         depends on CRASH_DUMP                    2870         depends on CRASH_DUMP
2883         help                                     2871         help
2884           This gives the CKSEG0 or KSEG0 addr    2872           This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885           If you plan to use kernel for captu    2873           If you plan to use kernel for capturing the crash dump change
2886           this value to start of the reserved    2874           this value to start of the reserved region (the "X" value as
2887           specified in the "crashkernel=YM@XM    2875           specified in the "crashkernel=YM@XM" command line boot parameter
2888           passed to the panic-ed kernel).        2876           passed to the panic-ed kernel).
2889                                                  2877 
2890 config MIPS_O32_FP64_SUPPORT                     2878 config MIPS_O32_FP64_SUPPORT
2891         bool "Support for O32 binaries using     2879         bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892         depends on 32BIT || MIPS32_O32           2880         depends on 32BIT || MIPS32_O32
2893         help                                     2881         help
2894           When this is enabled, the kernel wi    2882           When this is enabled, the kernel will support use of 64-bit floating
2895           point registers with binaries using    2883           point registers with binaries using the O32 ABI along with the
2896           EF_MIPS_FP64 ELF header flag (typic    2884           EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897           32-bit MIPS systems this support is    2885           32-bit MIPS systems this support is at the cost of increasing the
2898           size and complexity of the compiled    2886           size and complexity of the compiled FPU emulator. Thus if you are
2899           running a MIPS32 system and know th    2887           running a MIPS32 system and know that none of your userland binaries
2900           will require 64-bit floating point,    2888           will require 64-bit floating point, you may wish to reduce the size
2901           of your kernel & potentially improv    2889           of your kernel & potentially improve FP emulation performance by
2902           saying N here.                         2890           saying N here.
2903                                                  2891 
2904           Although binutils currently support    2892           Although binutils currently supports use of this flag the details
2905           concerning its effect upon the O32     2893           concerning its effect upon the O32 ABI in userland are still being
2906           worked on. In order to avoid userla    2894           worked on. In order to avoid userland becoming dependent upon current
2907           behaviour before the details have b    2895           behaviour before the details have been finalised, this option should
2908           be considered experimental and only    2896           be considered experimental and only enabled by those working upon
2909           said details.                          2897           said details.
2910                                                  2898 
2911           If unsure, say N.                      2899           If unsure, say N.
2912                                                  2900 
2913 config USE_OF                                    2901 config USE_OF
2914         bool                                     2902         bool
2915         select OF                                2903         select OF
2916         select OF_EARLY_FLATTREE                 2904         select OF_EARLY_FLATTREE
2917         select IRQ_DOMAIN                        2905         select IRQ_DOMAIN
2918                                                  2906 
2919 config UHI_BOOT                                  2907 config UHI_BOOT
2920         bool                                     2908         bool
2921                                                  2909 
2922 config BUILTIN_DTB                               2910 config BUILTIN_DTB
2923         bool                                     2911         bool
2924                                                  2912 
2925 choice                                           2913 choice
2926         prompt "Kernel appended dtb support"  !! 2914         prompt "Kernel appended dtb support" if USE_OF
2927         depends on USE_OF                     << 
2928         default MIPS_NO_APPENDED_DTB             2915         default MIPS_NO_APPENDED_DTB
2929                                                  2916 
2930         config MIPS_NO_APPENDED_DTB              2917         config MIPS_NO_APPENDED_DTB
2931                 bool "None"                      2918                 bool "None"
2932                 help                             2919                 help
2933                   Do not enable appended dtb     2920                   Do not enable appended dtb support.
2934                                                  2921 
2935         config MIPS_ELF_APPENDED_DTB             2922         config MIPS_ELF_APPENDED_DTB
2936                 bool "vmlinux"                   2923                 bool "vmlinux"
2937                 help                             2924                 help
2938                   With this option, the boot     2925                   With this option, the boot code will look for a device tree binary
2939                   DTB) included in the vmlinu    2926                   DTB) included in the vmlinux ELF section .appended_dtb. By default
2940                   it is empty and the DTB can    2927                   it is empty and the DTB can be appended using binutils command
2941                   objcopy:                       2928                   objcopy:
2942                                                  2929 
2943                     objcopy --update-section     2930                     objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944                                                  2931 
2945                   This is meant as a backward    2932                   This is meant as a backward compatibility convenience for those
2946                   systems with a bootloader t    2933                   systems with a bootloader that can't be upgraded to accommodate
2947                   the documented boot protoco    2934                   the documented boot protocol using a device tree.
2948                                                  2935 
2949         config MIPS_RAW_APPENDED_DTB             2936         config MIPS_RAW_APPENDED_DTB
2950                 bool "vmlinux.bin or vmlinuz.    2937                 bool "vmlinux.bin or vmlinuz.bin"
2951                 help                             2938                 help
2952                   With this option, the boot     2939                   With this option, the boot code will look for a device tree binary
2953                   DTB) appended to raw vmlinu    2940                   DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954                   (e.g. cat vmlinux.bin <file    2941                   (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955                                                  2942 
2956                   This is meant as a backward    2943                   This is meant as a backward compatibility convenience for those
2957                   systems with a bootloader t    2944                   systems with a bootloader that can't be upgraded to accommodate
2958                   the documented boot protoco    2945                   the documented boot protocol using a device tree.
2959                                                  2946 
2960                   Beware that there is very l    2947                   Beware that there is very little in terms of protection against
2961                   this option being confused     2948                   this option being confused by leftover garbage in memory that might
2962                   look like a DTB header afte    2949                   look like a DTB header after a reboot if no actual DTB is appended
2963                   to vmlinux.bin.  Do not lea    2950                   to vmlinux.bin.  Do not leave this option active in a production kernel
2964                   if you don't intend to alwa    2951                   if you don't intend to always append a DTB.
2965 endchoice                                        2952 endchoice
2966                                                  2953 
2967 choice                                           2954 choice
2968         prompt "Kernel command line type"     !! 2955         prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969         depends on !CMDLINE_OVERRIDE          << 
2970         default MIPS_CMDLINE_FROM_DTB if USE_    2956         default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971                                          !MAC    2957                                          !MACH_LOONGSON64 && !MIPS_MALTA && \
2972                                          !CAV    2958                                          !CAVIUM_OCTEON_SOC
2973         default MIPS_CMDLINE_FROM_BOOTLOADER     2959         default MIPS_CMDLINE_FROM_BOOTLOADER
2974                                                  2960 
2975         config MIPS_CMDLINE_FROM_DTB             2961         config MIPS_CMDLINE_FROM_DTB
2976                 depends on USE_OF                2962                 depends on USE_OF
2977                 bool "Dtb kernel arguments if    2963                 bool "Dtb kernel arguments if available"
2978                                                  2964 
2979         config MIPS_CMDLINE_DTB_EXTEND           2965         config MIPS_CMDLINE_DTB_EXTEND
2980                 depends on USE_OF                2966                 depends on USE_OF
2981                 bool "Extend dtb kernel argum    2967                 bool "Extend dtb kernel arguments with bootloader arguments"
2982                                                  2968 
2983         config MIPS_CMDLINE_FROM_BOOTLOADER      2969         config MIPS_CMDLINE_FROM_BOOTLOADER
2984                 bool "Bootloader kernel argum    2970                 bool "Bootloader kernel arguments if available"
2985                                                  2971 
2986         config MIPS_CMDLINE_BUILTIN_EXTEND       2972         config MIPS_CMDLINE_BUILTIN_EXTEND
2987                 depends on CMDLINE_BOOL          2973                 depends on CMDLINE_BOOL
2988                 bool "Extend builtin kernel a    2974                 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice                                        2975 endchoice
2990                                                  2976 
2991 endmenu                                          2977 endmenu
2992                                                  2978 
2993 config LOCKDEP_SUPPORT                           2979 config LOCKDEP_SUPPORT
2994         bool                                     2980         bool
2995         default y                                2981         default y
2996                                                  2982 
2997 config STACKTRACE_SUPPORT                        2983 config STACKTRACE_SUPPORT
2998         bool                                     2984         bool
2999         default y                                2985         default y
3000                                                  2986 
3001 config PGTABLE_LEVELS                            2987 config PGTABLE_LEVELS
3002         int                                      2988         int
3003         default 4 if PAGE_SIZE_4KB && MIPS_VA    2989         default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004         default 3 if 64BIT && (!PAGE_SIZE_64K    2990         default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005         default 2                                2991         default 2
3006                                                  2992 
3007 config MIPS_AUTO_PFN_OFFSET                      2993 config MIPS_AUTO_PFN_OFFSET
3008         bool                                     2994         bool
3009                                                  2995 
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC    2996 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011                                                  2997 
3012 config PCI_DRIVERS_GENERIC                       2998 config PCI_DRIVERS_GENERIC
3013         select PCI_DOMAINS_GENERIC if PCI        2999         select PCI_DOMAINS_GENERIC if PCI
3014         bool                                     3000         bool
3015                                                  3001 
3016 config PCI_DRIVERS_LEGACY                        3002 config PCI_DRIVERS_LEGACY
3017         def_bool !PCI_DRIVERS_GENERIC            3003         def_bool !PCI_DRIVERS_GENERIC
3018         select NO_GENERIC_PCI_IOPORT_MAP         3004         select NO_GENERIC_PCI_IOPORT_MAP
3019         select PCI_DOMAINS if PCI                3005         select PCI_DOMAINS if PCI
3020                                                  3006 
3021 #                                                3007 #
3022 # ISA support is now enabled via select.  Too    3008 # 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    3009 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ...            3010 # users to choose the right thing ...
3025 #                                                3011 #
3026 config ISA                                       3012 config ISA
3027         bool                                     3013         bool
3028                                                  3014 
3029 config TC                                        3015 config TC
3030         bool "TURBOchannel support"              3016         bool "TURBOchannel support"
3031         depends on MACH_DECSTATION               3017         depends on MACH_DECSTATION
3032         help                                     3018         help
3033           TURBOchannel is a DEC (now Compaq (    3019           TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034           processors.  TURBOchannel programmi    3020           processors.  TURBOchannel programming specifications are available
3035           at:                                    3021           at:
3036           <ftp://ftp.hp.com/pub/alphaserver/a    3022           <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037           and:                                   3023           and:
3038           <http://www.computer-refuge.org/cla    3024           <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039           Linux driver support status is docu    3025           Linux driver support status is documented at:
3040           <http://www.linux-mips.org/wiki/DEC    3026           <http://www.linux-mips.org/wiki/DECstation>
3041                                                  3027 
3042 config MMU                                       3028 config MMU
3043         bool                                     3029         bool
3044         default y                                3030         default y
3045                                                  3031 
3046 config ARCH_MMAP_RND_BITS_MIN                    3032 config ARCH_MMAP_RND_BITS_MIN
3047         default 12 if 64BIT                      3033         default 12 if 64BIT
3048         default 8                                3034         default 8
3049                                                  3035 
3050 config ARCH_MMAP_RND_BITS_MAX                    3036 config ARCH_MMAP_RND_BITS_MAX
3051         default 18 if 64BIT                      3037         default 18 if 64BIT
3052         default 15                               3038         default 15
3053                                                  3039 
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN             3040 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055         default 8                                3041         default 8
3056                                                  3042 
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX             3043 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058         default 15                               3044         default 15
3059                                                  3045 
3060 config I8253                                     3046 config I8253
3061         bool                                     3047         bool
3062         select CLKSRC_I8253                      3048         select CLKSRC_I8253
3063         select CLKEVT_I8253                      3049         select CLKEVT_I8253
3064         select MIPS_EXTERNAL_TIMER               3050         select MIPS_EXTERNAL_TIMER
3065 endmenu                                          3051 endmenu
3066                                                  3052 
3067 config TRAD_SIGNALS                              3053 config TRAD_SIGNALS
3068         bool                                     3054         bool
3069                                                  3055 
3070 config MIPS32_COMPAT                             3056 config MIPS32_COMPAT
3071         bool                                     3057         bool
3072                                                  3058 
3073 config COMPAT                                    3059 config COMPAT
3074         bool                                     3060         bool
3075                                                  3061 
3076 config MIPS32_O32                                3062 config MIPS32_O32
3077         bool "Kernel support for o32 binaries    3063         bool "Kernel support for o32 binaries"
3078         depends on 64BIT                         3064         depends on 64BIT
3079         select ARCH_WANT_OLD_COMPAT_IPC          3065         select ARCH_WANT_OLD_COMPAT_IPC
3080         select COMPAT                            3066         select COMPAT
3081         select MIPS32_COMPAT                     3067         select MIPS32_COMPAT
3082         help                                     3068         help
3083           Select this option if you want to r    3069           Select this option if you want to run o32 binaries.  These are pure
3084           32-bit binaries as used by the 32-b    3070           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3085           existing binaries are in this forma    3071           existing binaries are in this format.
3086                                                  3072 
3087           If unsure, say Y.                      3073           If unsure, say Y.
3088                                                  3074 
3089 config MIPS32_N32                                3075 config MIPS32_N32
3090         bool "Kernel support for n32 binaries    3076         bool "Kernel support for n32 binaries"
3091         depends on 64BIT                         3077         depends on 64BIT
3092         select ARCH_WANT_COMPAT_IPC_PARSE_VER    3078         select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093         select COMPAT                            3079         select COMPAT
3094         select MIPS32_COMPAT                     3080         select MIPS32_COMPAT
3095         help                                     3081         help
3096           Select this option if you want to r    3082           Select this option if you want to run n32 binaries.  These are
3097           64-bit binaries using 32-bit quanti    3083           64-bit binaries using 32-bit quantities for addressing and certain
3098           data that would normally be 64-bit.    3084           data that would normally be 64-bit.  They are used in special
3099           cases.                                 3085           cases.
3100                                                  3086 
3101           If unsure, say N.                      3087           If unsure, say N.
3102                                                  3088 
3103 config CC_HAS_MNO_BRANCH_LIKELY                  3089 config CC_HAS_MNO_BRANCH_LIKELY
3104         def_bool y                               3090         def_bool y
3105         depends on $(cc-option,-mno-branch-li    3091         depends on $(cc-option,-mno-branch-likely)
3106                                                  3092 
3107 # https://github.com/llvm/llvm-project/issues    3093 # https://github.com/llvm/llvm-project/issues/61045
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH        3094 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
3109         def_bool y if CC_IS_CLANG                3095         def_bool y if CC_IS_CLANG
3110                                                  3096 
3111 menu "Power management options"                  3097 menu "Power management options"
3112                                                  3098 
3113 config ARCH_HIBERNATION_POSSIBLE                 3099 config ARCH_HIBERNATION_POSSIBLE
3114         def_bool y                               3100         def_bool y
3115         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3101         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116                                                  3102 
3117 config ARCH_SUSPEND_POSSIBLE                     3103 config ARCH_SUSPEND_POSSIBLE
3118         def_bool y                               3104         def_bool y
3119         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3105         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120                                                  3106 
3121 source "kernel/power/Kconfig"                    3107 source "kernel/power/Kconfig"
3122                                                  3108 
3123 endmenu                                          3109 endmenu
3124                                                  3110 
3125 config MIPS_EXTERNAL_TIMER                       3111 config MIPS_EXTERNAL_TIMER
3126         bool                                     3112         bool
3127                                                  3113 
3128 menu "CPU Power Management"                      3114 menu "CPU Power Management"
3129                                                  3115 
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME    3116 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig"                 3117 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL    3118 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3133                                                  3119 
3134 source "drivers/cpuidle/Kconfig"                 3120 source "drivers/cpuidle/Kconfig"
3135                                                  3121 
3136 endmenu                                          3122 endmenu
3137                                                  3123 
3138 source "arch/mips/kvm/Kconfig"                   3124 source "arch/mips/kvm/Kconfig"
3139                                                  3125 
3140 source "arch/mips/vdso/Kconfig"                  3126 source "arch/mips/vdso/Kconfig"
                                                      

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