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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-6.9.12)


  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          7         select ARCH_HAS_CPU_CACHE_ALIASING
  8         select ARCH_HAS_CPU_FINALIZE_INIT           8         select ARCH_HAS_CPU_FINALIZE_INIT
  9         select ARCH_HAS_CURRENT_STACK_POINTER       9         select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
 10         select ARCH_HAS_DEBUG_VIRTUAL if !64BI     10         select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
 11         select ARCH_HAS_DMA_OPS if MACH_JAZZ   << 
 12         select ARCH_HAS_FORTIFY_SOURCE             11         select ARCH_HAS_FORTIFY_SOURCE
 13         select ARCH_HAS_KCOV                       12         select ARCH_HAS_KCOV
 14         select ARCH_HAS_NON_OVERLAPPING_ADDRES     13         select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
 15         select ARCH_HAS_PTE_SPECIAL if !(32BIT     14         select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
 16         select ARCH_HAS_STRNCPY_FROM_USER          15         select ARCH_HAS_STRNCPY_FROM_USER
 17         select ARCH_HAS_STRNLEN_USER               16         select ARCH_HAS_STRNLEN_USER
 18         select ARCH_HAS_TICK_BROADCAST if GENE     17         select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 19         select ARCH_HAS_UBSAN                      18         select ARCH_HAS_UBSAN
 20         select ARCH_HAS_GCOV_PROFILE_ALL           19         select ARCH_HAS_GCOV_PROFILE_ALL
 21         select ARCH_KEEP_MEMBLOCK                  20         select ARCH_KEEP_MEMBLOCK
 22         select ARCH_USE_BUILTIN_BSWAP              21         select ARCH_USE_BUILTIN_BSWAP
 23         select ARCH_USE_CMPXCHG_LOCKREF if 64B     22         select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
 24         select ARCH_USE_MEMTEST                    23         select ARCH_USE_MEMTEST
 25         select ARCH_USE_QUEUED_RWLOCKS             24         select ARCH_USE_QUEUED_RWLOCKS
 26         select ARCH_USE_QUEUED_SPINLOCKS           25         select ARCH_USE_QUEUED_SPINLOCKS
 27         select ARCH_SUPPORTS_HUGETLBFS if CPU_     26         select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
 28         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_     27         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
 29         select ARCH_WANT_IPC_PARSE_VERSION         28         select ARCH_WANT_IPC_PARSE_VERSION
 30         select ARCH_WANT_LD_ORPHAN_WARN            29         select ARCH_WANT_LD_ORPHAN_WARN
 31         select BUILDTIME_TABLE_SORT                30         select BUILDTIME_TABLE_SORT
 32         select CLONE_BACKWARDS                     31         select CLONE_BACKWARDS
 33         select CPU_NO_EFFICIENT_FFS if (TARGET     32         select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
 34         select CPU_PM if CPU_IDLE || SUSPEND   !!  33         select CPU_PM if CPU_IDLE
 35         select GENERIC_ATOMIC64 if !64BIT          34         select GENERIC_ATOMIC64 if !64BIT
 36         select GENERIC_CMOS_UPDATE                 35         select GENERIC_CMOS_UPDATE
 37         select GENERIC_CPU_AUTOPROBE               36         select GENERIC_CPU_AUTOPROBE
 38         select GENERIC_GETTIMEOFDAY                37         select GENERIC_GETTIMEOFDAY
 39         select GENERIC_IOMAP                       38         select GENERIC_IOMAP
 40         select GENERIC_IRQ_PROBE                   39         select GENERIC_IRQ_PROBE
 41         select GENERIC_IRQ_SHOW                    40         select GENERIC_IRQ_SHOW
 42         select GENERIC_ISA_DMA if EISA             41         select GENERIC_ISA_DMA if EISA
 43         select GENERIC_LIB_ASHLDI3                 42         select GENERIC_LIB_ASHLDI3
 44         select GENERIC_LIB_ASHRDI3                 43         select GENERIC_LIB_ASHRDI3
 45         select GENERIC_LIB_CMPDI2                  44         select GENERIC_LIB_CMPDI2
 46         select GENERIC_LIB_LSHRDI3                 45         select GENERIC_LIB_LSHRDI3
 47         select GENERIC_LIB_UCMPDI2                 46         select GENERIC_LIB_UCMPDI2
 48         select GENERIC_SCHED_CLOCK if !CAVIUM_     47         select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 49         select GENERIC_SMP_IDLE_THREAD             48         select GENERIC_SMP_IDLE_THREAD
 50         select GENERIC_IDLE_POLL_SETUP             49         select GENERIC_IDLE_POLL_SETUP
 51         select GENERIC_TIME_VSYSCALL               50         select GENERIC_TIME_VSYSCALL
 52         select GUP_GET_PXX_LOW_HIGH if CPU_MIP     51         select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
 53         select HAS_IOPORT if !NO_IOPORT_MAP ||     52         select HAS_IOPORT if !NO_IOPORT_MAP || ISA
 54         select HAVE_ARCH_COMPILER_H                53         select HAVE_ARCH_COMPILER_H
 55         select HAVE_ARCH_JUMP_LABEL                54         select HAVE_ARCH_JUMP_LABEL
 56         select HAVE_ARCH_KGDB if MIPS_FP_SUPPO     55         select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
 57         select HAVE_ARCH_MMAP_RND_BITS if MMU      56         select HAVE_ARCH_MMAP_RND_BITS if MMU
 58         select HAVE_ARCH_MMAP_RND_COMPAT_BITS      57         select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
 59         select HAVE_ARCH_SECCOMP_FILTER            58         select HAVE_ARCH_SECCOMP_FILTER
 60         select HAVE_ARCH_TRACEHOOK                 59         select HAVE_ARCH_TRACEHOOK
 61         select HAVE_ARCH_TRANSPARENT_HUGEPAGE      60         select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
 62         select HAVE_ASM_MODVERSIONS                61         select HAVE_ASM_MODVERSIONS
 63         select HAVE_CONTEXT_TRACKING_USER          62         select HAVE_CONTEXT_TRACKING_USER
 64         select HAVE_TIF_NOHZ                       63         select HAVE_TIF_NOHZ
 65         select HAVE_C_RECORDMCOUNT                 64         select HAVE_C_RECORDMCOUNT
 66         select HAVE_DEBUG_KMEMLEAK                 65         select HAVE_DEBUG_KMEMLEAK
 67         select HAVE_DEBUG_STACKOVERFLOW            66         select HAVE_DEBUG_STACKOVERFLOW
 68         select HAVE_DMA_CONTIGUOUS                 67         select HAVE_DMA_CONTIGUOUS
 69         select HAVE_DYNAMIC_FTRACE                 68         select HAVE_DYNAMIC_FTRACE
 70         select HAVE_EBPF_JIT if !CPU_MICROMIPS     69         select HAVE_EBPF_JIT if !CPU_MICROMIPS
 71         select HAVE_EXIT_THREAD                    70         select HAVE_EXIT_THREAD
 72         select HAVE_GUP_FAST                   !!  71         select HAVE_FAST_GUP
 73         select HAVE_FTRACE_MCOUNT_RECORD           72         select HAVE_FTRACE_MCOUNT_RECORD
 74         select HAVE_FUNCTION_GRAPH_TRACER          73         select HAVE_FUNCTION_GRAPH_TRACER
 75         select HAVE_FUNCTION_TRACER                74         select HAVE_FUNCTION_TRACER
 76         select HAVE_GCC_PLUGINS                    75         select HAVE_GCC_PLUGINS
 77         select HAVE_GENERIC_VDSO                   76         select HAVE_GENERIC_VDSO
 78         select HAVE_IOREMAP_PROT                   77         select HAVE_IOREMAP_PROT
 79         select HAVE_IRQ_EXIT_ON_IRQ_STACK          78         select HAVE_IRQ_EXIT_ON_IRQ_STACK
 80         select HAVE_IRQ_TIME_ACCOUNTING            79         select HAVE_IRQ_TIME_ACCOUNTING
 81         select HAVE_KPROBES                        80         select HAVE_KPROBES
 82         select HAVE_KRETPROBES                     81         select HAVE_KRETPROBES
 83         select HAVE_LD_DEAD_CODE_DATA_ELIMINAT     82         select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
 84         select HAVE_MOD_ARCH_SPECIFIC              83         select HAVE_MOD_ARCH_SPECIFIC
 85         select HAVE_NMI                            84         select HAVE_NMI
 86         select HAVE_PAGE_SIZE_4KB if !CPU_LOON     85         select HAVE_PAGE_SIZE_4KB if !CPU_LOONGSON2EF && !CPU_LOONGSON64
 87         select HAVE_PAGE_SIZE_16KB if !CPU_R30     86         select HAVE_PAGE_SIZE_16KB if !CPU_R3000
 88         select HAVE_PAGE_SIZE_64KB if !CPU_R30     87         select HAVE_PAGE_SIZE_64KB if !CPU_R3000
 89         select HAVE_PERF_EVENTS                    88         select HAVE_PERF_EVENTS
 90         select HAVE_PERF_REGS                      89         select HAVE_PERF_REGS
 91         select HAVE_PERF_USER_STACK_DUMP           90         select HAVE_PERF_USER_STACK_DUMP
 92         select HAVE_REGS_AND_STACK_ACCESS_API      91         select HAVE_REGS_AND_STACK_ACCESS_API
 93         select HAVE_RSEQ                           92         select HAVE_RSEQ
 94         select HAVE_SPARSE_SYSCALL_NR              93         select HAVE_SPARSE_SYSCALL_NR
 95         select HAVE_STACKPROTECTOR                 94         select HAVE_STACKPROTECTOR
 96         select HAVE_SYSCALL_TRACEPOINTS            95         select HAVE_SYSCALL_TRACEPOINTS
 97         select HAVE_VIRT_CPU_ACCOUNTING_GEN if     96         select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
 98         select IRQ_FORCED_THREADING                97         select IRQ_FORCED_THREADING
 99         select ISA if EISA                         98         select ISA if EISA
100         select LOCK_MM_AND_FIND_VMA                99         select LOCK_MM_AND_FIND_VMA
101         select MODULES_USE_ELF_REL if MODULES     100         select MODULES_USE_ELF_REL if MODULES
102         select MODULES_USE_ELF_RELA if MODULES    101         select MODULES_USE_ELF_RELA if MODULES && 64BIT
103         select PERF_USE_VMALLOC                   102         select PERF_USE_VMALLOC
104         select PCI_MSI_ARCH_FALLBACKS if PCI_M    103         select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
105         select RTC_LIB                            104         select RTC_LIB
106         select SYSCTL_EXCEPTION_TRACE             105         select SYSCTL_EXCEPTION_TRACE
107         select TRACE_IRQFLAGS_SUPPORT             106         select TRACE_IRQFLAGS_SUPPORT
108         select ARCH_HAS_ELFCORE_COMPAT            107         select ARCH_HAS_ELFCORE_COMPAT
109         select HAVE_ARCH_KCSAN if 64BIT           108         select HAVE_ARCH_KCSAN if 64BIT
110                                                   109 
111 config MIPS_FIXUP_BIGPHYS_ADDR                    110 config MIPS_FIXUP_BIGPHYS_ADDR
112         bool                                      111         bool
113                                                   112 
114 config MIPS_GENERIC                               113 config MIPS_GENERIC
115         bool                                      114         bool
116                                                   115 
117 config MACH_GENERIC_CORE                          116 config MACH_GENERIC_CORE
118         bool                                      117         bool
119                                                   118 
120 config MACH_INGENIC                               119 config MACH_INGENIC
121         bool                                      120         bool
122         select SYS_SUPPORTS_32BIT_KERNEL          121         select SYS_SUPPORTS_32BIT_KERNEL
123         select SYS_SUPPORTS_LITTLE_ENDIAN         122         select SYS_SUPPORTS_LITTLE_ENDIAN
124         select SYS_SUPPORTS_ZBOOT                 123         select SYS_SUPPORTS_ZBOOT
125         select DMA_NONCOHERENT                    124         select DMA_NONCOHERENT
126         select IRQ_MIPS_CPU                       125         select IRQ_MIPS_CPU
127         select PINCTRL                            126         select PINCTRL
128         select GPIOLIB                            127         select GPIOLIB
129         select COMMON_CLK                         128         select COMMON_CLK
130         select GENERIC_IRQ_CHIP                   129         select GENERIC_IRQ_CHIP
131         select BUILTIN_DTB if MIPS_NO_APPENDED    130         select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
132         select USE_OF                             131         select USE_OF
133         select CPU_SUPPORTS_CPUFREQ               132         select CPU_SUPPORTS_CPUFREQ
134         select MIPS_EXTERNAL_TIMER                133         select MIPS_EXTERNAL_TIMER
135                                                   134 
136 menu "Machine selection"                          135 menu "Machine selection"
137                                                   136 
138 choice                                            137 choice
139         prompt "System type"                      138         prompt "System type"
140         default MIPS_GENERIC_KERNEL               139         default MIPS_GENERIC_KERNEL
141                                                   140 
142 config MIPS_GENERIC_KERNEL                        141 config MIPS_GENERIC_KERNEL
143         bool "Generic board-agnostic MIPS kern    142         bool "Generic board-agnostic MIPS kernel"
144         select MIPS_GENERIC                       143         select MIPS_GENERIC
145         select BOOT_RAW                           144         select BOOT_RAW
146         select BUILTIN_DTB                        145         select BUILTIN_DTB
147         select CEVT_R4K                           146         select CEVT_R4K
148         select CLKSRC_MIPS_GIC                    147         select CLKSRC_MIPS_GIC
149         select COMMON_CLK                         148         select COMMON_CLK
150         select CPU_MIPSR2_IRQ_EI                  149         select CPU_MIPSR2_IRQ_EI
151         select CPU_MIPSR2_IRQ_VI                  150         select CPU_MIPSR2_IRQ_VI
152         select CSRC_R4K                           151         select CSRC_R4K
153         select DMA_NONCOHERENT                    152         select DMA_NONCOHERENT
154         select HAVE_PCI                           153         select HAVE_PCI
155         select IRQ_MIPS_CPU                       154         select IRQ_MIPS_CPU
156         select MACH_GENERIC_CORE                  155         select MACH_GENERIC_CORE
157         select MIPS_AUTO_PFN_OFFSET               156         select MIPS_AUTO_PFN_OFFSET
158         select MIPS_CPU_SCACHE                    157         select MIPS_CPU_SCACHE
159         select MIPS_GIC                           158         select MIPS_GIC
160         select MIPS_L1_CACHE_SHIFT_7              159         select MIPS_L1_CACHE_SHIFT_7
161         select NO_EXCEPT_FILL                     160         select NO_EXCEPT_FILL
162         select PCI_DRIVERS_GENERIC                161         select PCI_DRIVERS_GENERIC
163         select SMP_UP if SMP                      162         select SMP_UP if SMP
164         select SWAP_IO_SPACE                      163         select SWAP_IO_SPACE
165         select SYS_HAS_CPU_MIPS32_R1              164         select SYS_HAS_CPU_MIPS32_R1
166         select SYS_HAS_CPU_MIPS32_R2              165         select SYS_HAS_CPU_MIPS32_R2
167         select SYS_HAS_CPU_MIPS32_R5              166         select SYS_HAS_CPU_MIPS32_R5
168         select SYS_HAS_CPU_MIPS32_R6              167         select SYS_HAS_CPU_MIPS32_R6
169         select SYS_HAS_CPU_MIPS64_R1              168         select SYS_HAS_CPU_MIPS64_R1
170         select SYS_HAS_CPU_MIPS64_R2              169         select SYS_HAS_CPU_MIPS64_R2
171         select SYS_HAS_CPU_MIPS64_R5              170         select SYS_HAS_CPU_MIPS64_R5
172         select SYS_HAS_CPU_MIPS64_R6              171         select SYS_HAS_CPU_MIPS64_R6
173         select SYS_SUPPORTS_32BIT_KERNEL          172         select SYS_SUPPORTS_32BIT_KERNEL
174         select SYS_SUPPORTS_64BIT_KERNEL          173         select SYS_SUPPORTS_64BIT_KERNEL
175         select SYS_SUPPORTS_BIG_ENDIAN            174         select SYS_SUPPORTS_BIG_ENDIAN
176         select SYS_SUPPORTS_HIGHMEM               175         select SYS_SUPPORTS_HIGHMEM
177         select SYS_SUPPORTS_LITTLE_ENDIAN         176         select SYS_SUPPORTS_LITTLE_ENDIAN
178         select SYS_SUPPORTS_MICROMIPS             177         select SYS_SUPPORTS_MICROMIPS
179         select SYS_SUPPORTS_MIPS16                178         select SYS_SUPPORTS_MIPS16
180         select SYS_SUPPORTS_MIPS_CPS              179         select SYS_SUPPORTS_MIPS_CPS
181         select SYS_SUPPORTS_MULTITHREADING        180         select SYS_SUPPORTS_MULTITHREADING
182         select SYS_SUPPORTS_RELOCATABLE           181         select SYS_SUPPORTS_RELOCATABLE
183         select SYS_SUPPORTS_SMARTMIPS             182         select SYS_SUPPORTS_SMARTMIPS
184         select SYS_SUPPORTS_ZBOOT                 183         select SYS_SUPPORTS_ZBOOT
185         select UHI_BOOT                           184         select UHI_BOOT
186         select USB_EHCI_BIG_ENDIAN_DESC if CPU    185         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    186         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188         select USB_OHCI_BIG_ENDIAN_DESC if CPU    187         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    188         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190         select USB_UHCI_BIG_ENDIAN_DESC if CPU    189         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191         select USB_UHCI_BIG_ENDIAN_MMIO if CPU    190         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192         select USE_OF                             191         select USE_OF
193         help                                      192         help
194           Select this to build a kernel which     193           Select this to build a kernel which aims to support multiple boards,
195           generally using a flattened device t    194           generally using a flattened device tree passed from the bootloader
196           using the boot protocol defined in t    195           using the boot protocol defined in the UHI (Unified Hosting
197           Interface) specification.               196           Interface) specification.
198                                                   197 
199 config MIPS_ALCHEMY                               198 config MIPS_ALCHEMY
200         bool "Alchemy processor based machines    199         bool "Alchemy processor based machines"
201         select PHYS_ADDR_T_64BIT                  200         select PHYS_ADDR_T_64BIT
202         select CEVT_R4K                           201         select CEVT_R4K
203         select CSRC_R4K                           202         select CSRC_R4K
204         select IRQ_MIPS_CPU                       203         select IRQ_MIPS_CPU
205         select DMA_NONCOHERENT          # Au10    204         select DMA_NONCOHERENT          # Au1000,1500,1100 aren't, rest is
206         select MIPS_FIXUP_BIGPHYS_ADDR if PCI     205         select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207         select SYS_HAS_CPU_MIPS32_R1              206         select SYS_HAS_CPU_MIPS32_R1
208         select SYS_SUPPORTS_32BIT_KERNEL          207         select SYS_SUPPORTS_32BIT_KERNEL
209         select SYS_SUPPORTS_APM_EMULATION         208         select SYS_SUPPORTS_APM_EMULATION
210         select GPIOLIB                            209         select GPIOLIB
211         select SYS_SUPPORTS_ZBOOT                 210         select SYS_SUPPORTS_ZBOOT
212         select COMMON_CLK                         211         select COMMON_CLK
213                                                   212 
214 config ATH25                                      213 config ATH25
215         bool "Atheros AR231x/AR531x SoC suppor    214         bool "Atheros AR231x/AR531x SoC support"
216         select CEVT_R4K                           215         select CEVT_R4K
217         select CSRC_R4K                           216         select CSRC_R4K
218         select DMA_NONCOHERENT                    217         select DMA_NONCOHERENT
219         select IRQ_MIPS_CPU                       218         select IRQ_MIPS_CPU
220         select IRQ_DOMAIN                         219         select IRQ_DOMAIN
221         select SYS_HAS_CPU_MIPS32_R1              220         select SYS_HAS_CPU_MIPS32_R1
222         select SYS_SUPPORTS_BIG_ENDIAN            221         select SYS_SUPPORTS_BIG_ENDIAN
223         select SYS_SUPPORTS_32BIT_KERNEL          222         select SYS_SUPPORTS_32BIT_KERNEL
224         select SYS_HAS_EARLY_PRINTK               223         select SYS_HAS_EARLY_PRINTK
225         help                                      224         help
226           Support for Atheros AR231x and Ather    225           Support for Atheros AR231x and Atheros AR531x based boards
227                                                   226 
228 config ATH79                                      227 config ATH79
229         bool "Atheros AR71XX/AR724X/AR913X bas    228         bool "Atheros AR71XX/AR724X/AR913X based boards"
230         select ARCH_HAS_RESET_CONTROLLER          229         select ARCH_HAS_RESET_CONTROLLER
231         select BOOT_RAW                           230         select BOOT_RAW
232         select CEVT_R4K                           231         select CEVT_R4K
233         select CSRC_R4K                           232         select CSRC_R4K
234         select DMA_NONCOHERENT                    233         select DMA_NONCOHERENT
235         select GPIOLIB                            234         select GPIOLIB
236         select PINCTRL                            235         select PINCTRL
237         select COMMON_CLK                         236         select COMMON_CLK
238         select IRQ_MIPS_CPU                       237         select IRQ_MIPS_CPU
239         select SYS_HAS_CPU_MIPS32_R2              238         select SYS_HAS_CPU_MIPS32_R2
240         select SYS_HAS_EARLY_PRINTK               239         select SYS_HAS_EARLY_PRINTK
241         select SYS_SUPPORTS_32BIT_KERNEL          240         select SYS_SUPPORTS_32BIT_KERNEL
242         select SYS_SUPPORTS_BIG_ENDIAN            241         select SYS_SUPPORTS_BIG_ENDIAN
243         select SYS_SUPPORTS_MIPS16                242         select SYS_SUPPORTS_MIPS16
244         select SYS_SUPPORTS_ZBOOT_UART_PROM       243         select SYS_SUPPORTS_ZBOOT_UART_PROM
245         select USE_OF                             244         select USE_OF
246         select USB_EHCI_ROOT_HUB_TT if USB_EHC    245         select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247         help                                      246         help
248           Support for the Atheros AR71XX/AR724    247           Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249                                                   248 
250 config BMIPS_GENERIC                              249 config BMIPS_GENERIC
251         bool "Broadcom Generic BMIPS kernel"      250         bool "Broadcom Generic BMIPS kernel"
252         select ARCH_HAS_RESET_CONTROLLER          251         select ARCH_HAS_RESET_CONTROLLER
253         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL      252         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
254         select BOOT_RAW                           253         select BOOT_RAW
255         select NO_EXCEPT_FILL                     254         select NO_EXCEPT_FILL
256         select USE_OF                             255         select USE_OF
257         select CEVT_R4K                           256         select CEVT_R4K
258         select CSRC_R4K                           257         select CSRC_R4K
259         select SYNC_R4K                           258         select SYNC_R4K
260         select COMMON_CLK                         259         select COMMON_CLK
261         select BCM6345_L1_IRQ                     260         select BCM6345_L1_IRQ
262         select BCM7038_L1_IRQ                     261         select BCM7038_L1_IRQ
263         select BCM7120_L2_IRQ                     262         select BCM7120_L2_IRQ
264         select BRCMSTB_L2_IRQ                     263         select BRCMSTB_L2_IRQ
265         select IRQ_MIPS_CPU                       264         select IRQ_MIPS_CPU
266         select DMA_NONCOHERENT                    265         select DMA_NONCOHERENT
267         select SYS_SUPPORTS_32BIT_KERNEL          266         select SYS_SUPPORTS_32BIT_KERNEL
268         select SYS_SUPPORTS_LITTLE_ENDIAN         267         select SYS_SUPPORTS_LITTLE_ENDIAN
269         select SYS_SUPPORTS_BIG_ENDIAN            268         select SYS_SUPPORTS_BIG_ENDIAN
270         select SYS_SUPPORTS_HIGHMEM               269         select SYS_SUPPORTS_HIGHMEM
271         select SYS_HAS_CPU_BMIPS32_3300           270         select SYS_HAS_CPU_BMIPS32_3300
272         select SYS_HAS_CPU_BMIPS4350              271         select SYS_HAS_CPU_BMIPS4350
273         select SYS_HAS_CPU_BMIPS4380              272         select SYS_HAS_CPU_BMIPS4380
274         select SYS_HAS_CPU_BMIPS5000              273         select SYS_HAS_CPU_BMIPS5000
275         select SWAP_IO_SPACE                      274         select SWAP_IO_SPACE
276         select USB_EHCI_BIG_ENDIAN_DESC if CPU    275         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    276         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278         select USB_OHCI_BIG_ENDIAN_DESC if CPU    277         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    278         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280         select HARDIRQS_SW_RESEND                 279         select HARDIRQS_SW_RESEND
281         select HAVE_PCI                           280         select HAVE_PCI
282         select PCI_DRIVERS_GENERIC                281         select PCI_DRIVERS_GENERIC
283         select FW_CFE                             282         select FW_CFE
284         help                                      283         help
285           Build a generic DT-based kernel imag    284           Build a generic DT-based kernel image that boots on select
286           BCM33xx cable modem chips, BCM63xx D    285           BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287           box chips.  Note that CONFIG_CPU_BIG    286           box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288           must be set appropriately for your b    287           must be set appropriately for your board.
289                                                   288 
290 config BCM47XX                                    289 config BCM47XX
291         bool "Broadcom BCM47XX based boards"      290         bool "Broadcom BCM47XX based boards"
292         select BOOT_RAW                           291         select BOOT_RAW
293         select CEVT_R4K                           292         select CEVT_R4K
294         select CSRC_R4K                           293         select CSRC_R4K
295         select DMA_NONCOHERENT                    294         select DMA_NONCOHERENT
296         select HAVE_PCI                           295         select HAVE_PCI
297         select IRQ_MIPS_CPU                       296         select IRQ_MIPS_CPU
298         select SYS_HAS_CPU_MIPS32_R1              297         select SYS_HAS_CPU_MIPS32_R1
299         select NO_EXCEPT_FILL                     298         select NO_EXCEPT_FILL
300         select SYS_SUPPORTS_32BIT_KERNEL          299         select SYS_SUPPORTS_32BIT_KERNEL
301         select SYS_SUPPORTS_LITTLE_ENDIAN         300         select SYS_SUPPORTS_LITTLE_ENDIAN
302         select SYS_SUPPORTS_MIPS16                301         select SYS_SUPPORTS_MIPS16
303         select SYS_SUPPORTS_ZBOOT                 302         select SYS_SUPPORTS_ZBOOT
304         select SYS_HAS_EARLY_PRINTK               303         select SYS_HAS_EARLY_PRINTK
305         select USE_GENERIC_EARLY_PRINTK_8250      304         select USE_GENERIC_EARLY_PRINTK_8250
306         select GPIOLIB                            305         select GPIOLIB
307         select LEDS_GPIO_REGISTER                 306         select LEDS_GPIO_REGISTER
308         select BCM47XX_NVRAM                      307         select BCM47XX_NVRAM
309         select BCM47XX_SPROM                      308         select BCM47XX_SPROM
310         select BCM47XX_SSB if !BCM47XX_BCMA       309         select BCM47XX_SSB if !BCM47XX_BCMA
311         help                                      310         help
312           Support for BCM47XX based boards        311           Support for BCM47XX based boards
313                                                   312 
314 config BCM63XX                                    313 config BCM63XX
315         bool "Broadcom BCM63XX based boards"      314         bool "Broadcom BCM63XX based boards"
316         select BOOT_RAW                           315         select BOOT_RAW
317         select CEVT_R4K                           316         select CEVT_R4K
318         select CSRC_R4K                           317         select CSRC_R4K
319         select SYNC_R4K                           318         select SYNC_R4K
320         select DMA_NONCOHERENT                    319         select DMA_NONCOHERENT
321         select IRQ_MIPS_CPU                       320         select IRQ_MIPS_CPU
322         select SYS_SUPPORTS_32BIT_KERNEL          321         select SYS_SUPPORTS_32BIT_KERNEL
323         select SYS_SUPPORTS_BIG_ENDIAN            322         select SYS_SUPPORTS_BIG_ENDIAN
324         select SYS_HAS_EARLY_PRINTK               323         select SYS_HAS_EARLY_PRINTK
325         select SYS_HAS_CPU_BMIPS32_3300           324         select SYS_HAS_CPU_BMIPS32_3300
326         select SYS_HAS_CPU_BMIPS4350              325         select SYS_HAS_CPU_BMIPS4350
327         select SYS_HAS_CPU_BMIPS4380              326         select SYS_HAS_CPU_BMIPS4380
328         select SWAP_IO_SPACE                      327         select SWAP_IO_SPACE
329         select GPIOLIB                            328         select GPIOLIB
330         select MIPS_L1_CACHE_SHIFT_4              329         select MIPS_L1_CACHE_SHIFT_4
331         select HAVE_LEGACY_CLK                    330         select HAVE_LEGACY_CLK
332         help                                      331         help
333           Support for BCM63XX based boards        332           Support for BCM63XX based boards
334                                                   333 
335 config MIPS_COBALT                                334 config MIPS_COBALT
336         bool "Cobalt Server"                      335         bool "Cobalt Server"
337         select CEVT_R4K                           336         select CEVT_R4K
338         select CSRC_R4K                           337         select CSRC_R4K
339         select CEVT_GT641XX                       338         select CEVT_GT641XX
340         select DMA_NONCOHERENT                    339         select DMA_NONCOHERENT
341         select FORCE_PCI                          340         select FORCE_PCI
342         select I8253                              341         select I8253
343         select I8259                              342         select I8259
344         select IRQ_MIPS_CPU                       343         select IRQ_MIPS_CPU
345         select IRQ_GT641XX                        344         select IRQ_GT641XX
346         select PCI_GT64XXX_PCI0                   345         select PCI_GT64XXX_PCI0
347         select SYS_HAS_CPU_NEVADA                 346         select SYS_HAS_CPU_NEVADA
348         select SYS_HAS_EARLY_PRINTK               347         select SYS_HAS_EARLY_PRINTK
349         select SYS_SUPPORTS_32BIT_KERNEL          348         select SYS_SUPPORTS_32BIT_KERNEL
350         select SYS_SUPPORTS_64BIT_KERNEL          349         select SYS_SUPPORTS_64BIT_KERNEL
351         select SYS_SUPPORTS_LITTLE_ENDIAN         350         select SYS_SUPPORTS_LITTLE_ENDIAN
352         select USE_GENERIC_EARLY_PRINTK_8250      351         select USE_GENERIC_EARLY_PRINTK_8250
353                                                   352 
354 config MACH_DECSTATION                            353 config MACH_DECSTATION
355         bool "DECstations"                        354         bool "DECstations"
356         select BOOT_ELF32                         355         select BOOT_ELF32
357         select CEVT_DS1287                        356         select CEVT_DS1287
358         select CEVT_R4K if CPU_R4X00              357         select CEVT_R4K if CPU_R4X00
359         select CSRC_IOASIC                        358         select CSRC_IOASIC
360         select CSRC_R4K if CPU_R4X00              359         select CSRC_R4K if CPU_R4X00
361         select CPU_DADDI_WORKAROUNDS if 64BIT     360         select CPU_DADDI_WORKAROUNDS if 64BIT
362         select CPU_R4000_WORKAROUNDS if 64BIT     361         select CPU_R4000_WORKAROUNDS if 64BIT
363         select CPU_R4400_WORKAROUNDS if 64BIT     362         select CPU_R4400_WORKAROUNDS if 64BIT
364         select DMA_NONCOHERENT                    363         select DMA_NONCOHERENT
365         select NO_IOPORT_MAP                      364         select NO_IOPORT_MAP
366         select IRQ_MIPS_CPU                       365         select IRQ_MIPS_CPU
367         select SYS_HAS_CPU_R3000                  366         select SYS_HAS_CPU_R3000
368         select SYS_HAS_CPU_R4X00                  367         select SYS_HAS_CPU_R4X00
369         select SYS_SUPPORTS_32BIT_KERNEL          368         select SYS_SUPPORTS_32BIT_KERNEL
370         select SYS_SUPPORTS_64BIT_KERNEL          369         select SYS_SUPPORTS_64BIT_KERNEL
371         select SYS_SUPPORTS_LITTLE_ENDIAN         370         select SYS_SUPPORTS_LITTLE_ENDIAN
372         select SYS_SUPPORTS_128HZ                 371         select SYS_SUPPORTS_128HZ
373         select SYS_SUPPORTS_256HZ                 372         select SYS_SUPPORTS_256HZ
374         select SYS_SUPPORTS_1024HZ                373         select SYS_SUPPORTS_1024HZ
375         select MIPS_L1_CACHE_SHIFT_4              374         select MIPS_L1_CACHE_SHIFT_4
376         help                                      375         help
377           This enables support for DEC's MIPS     376           This enables support for DEC's MIPS based workstations.  For details
378           see the Linux/MIPS FAQ on <http://ww    377           see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379           DECstation porting pages on <http://    378           DECstation porting pages on <http://decstation.unix-ag.org/>.
380                                                   379 
381           If you have one of the following DEC    380           If you have one of the following DECstation Models you definitely
382           want to choose R4xx0 for the CPU Typ    381           want to choose R4xx0 for the CPU Type:
383                                                   382 
384                 DECstation 5000/50                383                 DECstation 5000/50
385                 DECstation 5000/150               384                 DECstation 5000/150
386                 DECstation 5000/260               385                 DECstation 5000/260
387                 DECsystem 5900/260                386                 DECsystem 5900/260
388                                                   387 
389           otherwise choose R3000.                 388           otherwise choose R3000.
390                                                   389 
391 config MACH_JAZZ                                  390 config MACH_JAZZ
392         bool "Jazz family of machines"            391         bool "Jazz family of machines"
393         select ARC_MEMORY                         392         select ARC_MEMORY
394         select ARC_PROMLIB                        393         select ARC_PROMLIB
395         select ARCH_MIGHT_HAVE_PC_PARPORT         394         select ARCH_MIGHT_HAVE_PC_PARPORT
396         select ARCH_MIGHT_HAVE_PC_SERIO           395         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 396         select DMA_OPS
397         select FW_ARC                             397         select FW_ARC
398         select FW_ARC32                           398         select FW_ARC32
399         select ARCH_MAY_HAVE_PC_FDC               399         select ARCH_MAY_HAVE_PC_FDC
400         select CEVT_R4K                           400         select CEVT_R4K
401         select CSRC_R4K                           401         select CSRC_R4K
402         select DEFAULT_SGI_PARTITION if CPU_BI    402         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403         select GENERIC_ISA_DMA                    403         select GENERIC_ISA_DMA
404         select HAVE_PCSPKR_PLATFORM               404         select HAVE_PCSPKR_PLATFORM
405         select IRQ_MIPS_CPU                       405         select IRQ_MIPS_CPU
406         select I8253                              406         select I8253
407         select I8259                              407         select I8259
408         select ISA                                408         select ISA
409         select SYS_HAS_CPU_R4X00                  409         select SYS_HAS_CPU_R4X00
410         select SYS_SUPPORTS_32BIT_KERNEL          410         select SYS_SUPPORTS_32BIT_KERNEL
411         select SYS_SUPPORTS_64BIT_KERNEL          411         select SYS_SUPPORTS_64BIT_KERNEL
412         select SYS_SUPPORTS_100HZ                 412         select SYS_SUPPORTS_100HZ
413         select SYS_SUPPORTS_LITTLE_ENDIAN         413         select SYS_SUPPORTS_LITTLE_ENDIAN
414         help                                      414         help
415           This a family of machines based on t    415           This a family of machines based on the MIPS R4030 chipset which was
416           used by several vendors to build RIS    416           used by several vendors to build RISC/os and Windows NT workstations.
417           Members include the Acer PICA, MIPS     417           Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418           Olivetti M700-10 workstations.          418           Olivetti M700-10 workstations.
419                                                   419 
420 config MACH_INGENIC_SOC                           420 config MACH_INGENIC_SOC
421         bool "Ingenic SoC based machines"         421         bool "Ingenic SoC based machines"
422         select MIPS_GENERIC                       422         select MIPS_GENERIC
423         select MACH_INGENIC                       423         select MACH_INGENIC
424         select MACH_GENERIC_CORE                  424         select MACH_GENERIC_CORE
425         select SYS_SUPPORTS_ZBOOT_UART16550       425         select SYS_SUPPORTS_ZBOOT_UART16550
426         select CPU_SUPPORTS_CPUFREQ               426         select CPU_SUPPORTS_CPUFREQ
427         select MIPS_EXTERNAL_TIMER                427         select MIPS_EXTERNAL_TIMER
428                                                   428 
429 config LANTIQ                                     429 config LANTIQ
430         bool "Lantiq based platforms"             430         bool "Lantiq based platforms"
431         select DMA_NONCOHERENT                    431         select DMA_NONCOHERENT
432         select IRQ_MIPS_CPU                       432         select IRQ_MIPS_CPU
433         select CEVT_R4K                           433         select CEVT_R4K
434         select CSRC_R4K                           434         select CSRC_R4K
435         select NO_EXCEPT_FILL                     435         select NO_EXCEPT_FILL
436         select SYS_HAS_CPU_MIPS32_R1              436         select SYS_HAS_CPU_MIPS32_R1
437         select SYS_HAS_CPU_MIPS32_R2              437         select SYS_HAS_CPU_MIPS32_R2
438         select SYS_SUPPORTS_BIG_ENDIAN            438         select SYS_SUPPORTS_BIG_ENDIAN
439         select SYS_SUPPORTS_32BIT_KERNEL          439         select SYS_SUPPORTS_32BIT_KERNEL
440         select SYS_SUPPORTS_MIPS16                440         select SYS_SUPPORTS_MIPS16
441         select SYS_SUPPORTS_MULTITHREADING        441         select SYS_SUPPORTS_MULTITHREADING
442         select SYS_SUPPORTS_VPE_LOADER            442         select SYS_SUPPORTS_VPE_LOADER
443         select SYS_HAS_EARLY_PRINTK               443         select SYS_HAS_EARLY_PRINTK
444         select GPIOLIB                            444         select GPIOLIB
445         select SWAP_IO_SPACE                      445         select SWAP_IO_SPACE
446         select BOOT_RAW                           446         select BOOT_RAW
447         select HAVE_LEGACY_CLK                    447         select HAVE_LEGACY_CLK
448         select USE_OF                             448         select USE_OF
449         select PINCTRL                            449         select PINCTRL
450         select PINCTRL_LANTIQ                     450         select PINCTRL_LANTIQ
451         select ARCH_HAS_RESET_CONTROLLER          451         select ARCH_HAS_RESET_CONTROLLER
452         select RESET_CONTROLLER                   452         select RESET_CONTROLLER
453                                                   453 
454 config MACH_LOONGSON32                            454 config MACH_LOONGSON32
455         bool "Loongson 32-bit family of machin    455         bool "Loongson 32-bit family of machines"
456         select SYS_SUPPORTS_ZBOOT                 456         select SYS_SUPPORTS_ZBOOT
457         help                                      457         help
458           This enables support for the Loongso    458           This enables support for the Loongson-1 family of machines.
459                                                   459 
460           Loongson-1 is a family of 32-bit MIP    460           Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461           the Institute of Computing Technolog    461           the Institute of Computing Technology (ICT), Chinese Academy of
462           Sciences (CAS).                         462           Sciences (CAS).
463                                                   463 
464 config MACH_LOONGSON2EF                           464 config MACH_LOONGSON2EF
465         bool "Loongson-2E/F family of machines    465         bool "Loongson-2E/F family of machines"
466         select SYS_SUPPORTS_ZBOOT                 466         select SYS_SUPPORTS_ZBOOT
467         help                                      467         help
468           This enables the support of early Lo    468           This enables the support of early Loongson-2E/F family of machines.
469                                                   469 
470 config MACH_LOONGSON64                            470 config MACH_LOONGSON64
471         bool "Loongson 64-bit family of machin    471         bool "Loongson 64-bit family of machines"
472         select ARCH_DMA_DEFAULT_COHERENT          472         select ARCH_DMA_DEFAULT_COHERENT
473         select ARCH_SPARSEMEM_ENABLE              473         select ARCH_SPARSEMEM_ENABLE
474         select ARCH_MIGHT_HAVE_PC_PARPORT         474         select ARCH_MIGHT_HAVE_PC_PARPORT
475         select ARCH_MIGHT_HAVE_PC_SERIO           475         select ARCH_MIGHT_HAVE_PC_SERIO
476         select GENERIC_ISA_DMA_SUPPORT_BROKEN     476         select GENERIC_ISA_DMA_SUPPORT_BROKEN
477         select BOOT_ELF32                         477         select BOOT_ELF32
478         select BOARD_SCACHE                       478         select BOARD_SCACHE
479         select CSRC_R4K                           479         select CSRC_R4K
480         select CEVT_R4K                           480         select CEVT_R4K
481         select SYNC_R4K                        << 
482         select FORCE_PCI                          481         select FORCE_PCI
483         select ISA                                482         select ISA
484         select I8259                              483         select I8259
485         select IRQ_MIPS_CPU                       484         select IRQ_MIPS_CPU
486         select NO_EXCEPT_FILL                     485         select NO_EXCEPT_FILL
487         select NR_CPUS_DEFAULT_64                 486         select NR_CPUS_DEFAULT_64
488         select USE_GENERIC_EARLY_PRINTK_8250      487         select USE_GENERIC_EARLY_PRINTK_8250
489         select PCI_DRIVERS_GENERIC                488         select PCI_DRIVERS_GENERIC
490         select SYS_HAS_CPU_LOONGSON64             489         select SYS_HAS_CPU_LOONGSON64
491         select SYS_HAS_EARLY_PRINTK               490         select SYS_HAS_EARLY_PRINTK
492         select SYS_SUPPORTS_SMP                   491         select SYS_SUPPORTS_SMP
493         select SYS_SUPPORTS_HOTPLUG_CPU           492         select SYS_SUPPORTS_HOTPLUG_CPU
494         select SYS_SUPPORTS_NUMA                  493         select SYS_SUPPORTS_NUMA
495         select SYS_SUPPORTS_64BIT_KERNEL          494         select SYS_SUPPORTS_64BIT_KERNEL
496         select SYS_SUPPORTS_HIGHMEM               495         select SYS_SUPPORTS_HIGHMEM
497         select SYS_SUPPORTS_LITTLE_ENDIAN         496         select SYS_SUPPORTS_LITTLE_ENDIAN
498         select SYS_SUPPORTS_ZBOOT                 497         select SYS_SUPPORTS_ZBOOT
499         select SYS_SUPPORTS_RELOCATABLE           498         select SYS_SUPPORTS_RELOCATABLE
500         select ZONE_DMA32                         499         select ZONE_DMA32
501         select COMMON_CLK                         500         select COMMON_CLK
502         select USE_OF                             501         select USE_OF
503         select BUILTIN_DTB                        502         select BUILTIN_DTB
504         select PCI_HOST_GENERIC                   503         select PCI_HOST_GENERIC
                                                   >> 504         select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
505         help                                      505         help
506           This enables the support of Loongson    506           This enables the support of Loongson-2/3 family of machines.
507                                                   507 
508           Loongson-2 and Loongson-3 are 64-bit    508           Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509           GS264/GS464/GS464E/GS464V microarchi    509           GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510           and Loongson-2F which will be remove    510           and Loongson-2F which will be removed), developed by the Institute
511           of Computing Technology (ICT), Chine    511           of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512                                                   512 
513 config MIPS_MALTA                                 513 config MIPS_MALTA
514         bool "MIPS Malta board"                   514         bool "MIPS Malta board"
515         select ARCH_MAY_HAVE_PC_FDC               515         select ARCH_MAY_HAVE_PC_FDC
516         select ARCH_MIGHT_HAVE_PC_PARPORT         516         select ARCH_MIGHT_HAVE_PC_PARPORT
517         select ARCH_MIGHT_HAVE_PC_SERIO           517         select ARCH_MIGHT_HAVE_PC_SERIO
518         select BOOT_ELF32                         518         select BOOT_ELF32
519         select BOOT_RAW                           519         select BOOT_RAW
520         select BUILTIN_DTB                        520         select BUILTIN_DTB
521         select CEVT_R4K                           521         select CEVT_R4K
522         select CLKSRC_MIPS_GIC                    522         select CLKSRC_MIPS_GIC
523         select COMMON_CLK                         523         select COMMON_CLK
524         select CSRC_R4K                           524         select CSRC_R4K
525         select DMA_NONCOHERENT                    525         select DMA_NONCOHERENT
526         select GENERIC_ISA_DMA                    526         select GENERIC_ISA_DMA
527         select HAVE_PCSPKR_PLATFORM               527         select HAVE_PCSPKR_PLATFORM
528         select HAVE_PCI                           528         select HAVE_PCI
529         select I8253                              529         select I8253
530         select I8259                              530         select I8259
531         select IRQ_MIPS_CPU                       531         select IRQ_MIPS_CPU
532         select MIPS_BONITO64                      532         select MIPS_BONITO64
533         select MIPS_CPU_SCACHE                    533         select MIPS_CPU_SCACHE
534         select MIPS_GIC                           534         select MIPS_GIC
535         select MIPS_L1_CACHE_SHIFT_6              535         select MIPS_L1_CACHE_SHIFT_6
536         select MIPS_MSC                           536         select MIPS_MSC
537         select PCI_GT64XXX_PCI0                   537         select PCI_GT64XXX_PCI0
538         select SMP_UP if SMP                      538         select SMP_UP if SMP
539         select SWAP_IO_SPACE                      539         select SWAP_IO_SPACE
540         select SYS_HAS_CPU_MIPS32_R1              540         select SYS_HAS_CPU_MIPS32_R1
541         select SYS_HAS_CPU_MIPS32_R2              541         select SYS_HAS_CPU_MIPS32_R2
542         select SYS_HAS_CPU_MIPS32_R3_5            542         select SYS_HAS_CPU_MIPS32_R3_5
543         select SYS_HAS_CPU_MIPS32_R5              543         select SYS_HAS_CPU_MIPS32_R5
544         select SYS_HAS_CPU_MIPS32_R6              544         select SYS_HAS_CPU_MIPS32_R6
545         select SYS_HAS_CPU_MIPS64_R1              545         select SYS_HAS_CPU_MIPS64_R1
546         select SYS_HAS_CPU_MIPS64_R2              546         select SYS_HAS_CPU_MIPS64_R2
547         select SYS_HAS_CPU_MIPS64_R6              547         select SYS_HAS_CPU_MIPS64_R6
548         select SYS_HAS_CPU_NEVADA                 548         select SYS_HAS_CPU_NEVADA
549         select SYS_HAS_CPU_RM7000                 549         select SYS_HAS_CPU_RM7000
550         select SYS_SUPPORTS_32BIT_KERNEL          550         select SYS_SUPPORTS_32BIT_KERNEL
551         select SYS_SUPPORTS_64BIT_KERNEL          551         select SYS_SUPPORTS_64BIT_KERNEL
552         select SYS_SUPPORTS_BIG_ENDIAN            552         select SYS_SUPPORTS_BIG_ENDIAN
553         select SYS_SUPPORTS_HIGHMEM               553         select SYS_SUPPORTS_HIGHMEM
554         select SYS_SUPPORTS_LITTLE_ENDIAN         554         select SYS_SUPPORTS_LITTLE_ENDIAN
555         select SYS_SUPPORTS_MICROMIPS             555         select SYS_SUPPORTS_MICROMIPS
556         select SYS_SUPPORTS_MIPS16                556         select SYS_SUPPORTS_MIPS16
557         select SYS_SUPPORTS_MIPS_CPS              557         select SYS_SUPPORTS_MIPS_CPS
558         select SYS_SUPPORTS_MULTITHREADING        558         select SYS_SUPPORTS_MULTITHREADING
559         select SYS_SUPPORTS_RELOCATABLE           559         select SYS_SUPPORTS_RELOCATABLE
560         select SYS_SUPPORTS_SMARTMIPS             560         select SYS_SUPPORTS_SMARTMIPS
561         select SYS_SUPPORTS_VPE_LOADER            561         select SYS_SUPPORTS_VPE_LOADER
562         select SYS_SUPPORTS_ZBOOT                 562         select SYS_SUPPORTS_ZBOOT
563         select USE_OF                             563         select USE_OF
564         select WAR_ICACHE_REFILLS                 564         select WAR_ICACHE_REFILLS
565         select ZONE_DMA32 if 64BIT                565         select ZONE_DMA32 if 64BIT
566         help                                      566         help
567           This enables support for the MIPS Te    567           This enables support for the MIPS Technologies Malta evaluation
568           board.                                  568           board.
569                                                   569 
570 config MACH_PIC32                                 570 config MACH_PIC32
571         bool "Microchip PIC32 Family"             571         bool "Microchip PIC32 Family"
572         help                                      572         help
573           This enables support for the Microch    573           This enables support for the Microchip PIC32 family of platforms.
574                                                   574 
575           Microchip PIC32 is a family of gener    575           Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576           microcontrollers.                       576           microcontrollers.
577                                                   577 
578 config EYEQ                                    !! 578 config MACH_EYEQ5
579         bool "Mobileye EyeQ SoC"               !! 579         bool "Mobileye EyeQ5 SoC"
580         select MACH_GENERIC_CORE                  580         select MACH_GENERIC_CORE
581         select ARM_AMBA                           581         select ARM_AMBA
582         select PHYSICAL_START_BOOL                582         select PHYSICAL_START_BOOL
583         select ARCH_SPARSEMEM_DEFAULT if 64BIT    583         select ARCH_SPARSEMEM_DEFAULT if 64BIT
584         select BOOT_RAW                           584         select BOOT_RAW
585         select BUILTIN_DTB                        585         select BUILTIN_DTB
586         select CEVT_R4K                           586         select CEVT_R4K
587         select CLKSRC_MIPS_GIC                    587         select CLKSRC_MIPS_GIC
588         select COMMON_CLK                         588         select COMMON_CLK
589         select CPU_MIPSR2_IRQ_EI                  589         select CPU_MIPSR2_IRQ_EI
590         select CPU_MIPSR2_IRQ_VI                  590         select CPU_MIPSR2_IRQ_VI
591         select CSRC_R4K                           591         select CSRC_R4K
592         select DMA_NONCOHERENT                    592         select DMA_NONCOHERENT
593         select HAVE_PCI                           593         select HAVE_PCI
594         select IRQ_MIPS_CPU                       594         select IRQ_MIPS_CPU
595         select MIPS_AUTO_PFN_OFFSET               595         select MIPS_AUTO_PFN_OFFSET
596         select MIPS_CPU_SCACHE                    596         select MIPS_CPU_SCACHE
597         select MIPS_GIC                           597         select MIPS_GIC
598         select MIPS_L1_CACHE_SHIFT_7              598         select MIPS_L1_CACHE_SHIFT_7
599         select PCI_DRIVERS_GENERIC                599         select PCI_DRIVERS_GENERIC
600         select SMP_UP if SMP                      600         select SMP_UP if SMP
601         select SWAP_IO_SPACE                      601         select SWAP_IO_SPACE
602         select SYS_HAS_CPU_MIPS64_R6              602         select SYS_HAS_CPU_MIPS64_R6
603         select SYS_SUPPORTS_64BIT_KERNEL          603         select SYS_SUPPORTS_64BIT_KERNEL
604         select SYS_SUPPORTS_HIGHMEM               604         select SYS_SUPPORTS_HIGHMEM
605         select SYS_SUPPORTS_LITTLE_ENDIAN         605         select SYS_SUPPORTS_LITTLE_ENDIAN
606         select SYS_SUPPORTS_MIPS_CPS              606         select SYS_SUPPORTS_MIPS_CPS
607         select SYS_SUPPORTS_RELOCATABLE           607         select SYS_SUPPORTS_RELOCATABLE
608         select SYS_SUPPORTS_ZBOOT                 608         select SYS_SUPPORTS_ZBOOT
609         select UHI_BOOT                           609         select UHI_BOOT
610         select USB_EHCI_BIG_ENDIAN_DESC if CPU    610         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
611         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    611         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
612         select USB_OHCI_BIG_ENDIAN_DESC if CPU    612         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
613         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    613         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
614         select USB_UHCI_BIG_ENDIAN_DESC if CPU    614         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
615         select USB_UHCI_BIG_ENDIAN_MMIO if CPU    615         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
616         select USE_OF                             616         select USE_OF
617         help                                      617         help
618           Select this to build a kernel suppor !! 618           Select this to build a kernel supporting EyeQ5 SoC from Mobileye.
619                                                   619 
620         bool                                      620         bool
621                                                   621 
622 config MACH_NINTENDO64                            622 config MACH_NINTENDO64
623         bool "Nintendo 64 console"                623         bool "Nintendo 64 console"
624         select CEVT_R4K                           624         select CEVT_R4K
625         select CSRC_R4K                           625         select CSRC_R4K
626         select SYS_HAS_CPU_R4300                  626         select SYS_HAS_CPU_R4300
627         select SYS_SUPPORTS_BIG_ENDIAN            627         select SYS_SUPPORTS_BIG_ENDIAN
628         select SYS_SUPPORTS_ZBOOT                 628         select SYS_SUPPORTS_ZBOOT
629         select SYS_SUPPORTS_32BIT_KERNEL          629         select SYS_SUPPORTS_32BIT_KERNEL
630         select SYS_SUPPORTS_64BIT_KERNEL          630         select SYS_SUPPORTS_64BIT_KERNEL
631         select DMA_NONCOHERENT                    631         select DMA_NONCOHERENT
632         select IRQ_MIPS_CPU                       632         select IRQ_MIPS_CPU
633                                                   633 
634 config RALINK                                     634 config RALINK
635         bool "Ralink based machines"              635         bool "Ralink based machines"
636         select CEVT_R4K                           636         select CEVT_R4K
637         select COMMON_CLK                         637         select COMMON_CLK
638         select CSRC_R4K                           638         select CSRC_R4K
639         select BOOT_RAW                           639         select BOOT_RAW
640         select DMA_NONCOHERENT                    640         select DMA_NONCOHERENT
641         select IRQ_MIPS_CPU                       641         select IRQ_MIPS_CPU
642         select USE_OF                             642         select USE_OF
643         select SYS_HAS_CPU_MIPS32_R2              643         select SYS_HAS_CPU_MIPS32_R2
644         select SYS_SUPPORTS_32BIT_KERNEL          644         select SYS_SUPPORTS_32BIT_KERNEL
645         select SYS_SUPPORTS_LITTLE_ENDIAN         645         select SYS_SUPPORTS_LITTLE_ENDIAN
646         select SYS_SUPPORTS_MIPS16                646         select SYS_SUPPORTS_MIPS16
647         select SYS_SUPPORTS_ZBOOT                 647         select SYS_SUPPORTS_ZBOOT
648         select SYS_HAS_EARLY_PRINTK               648         select SYS_HAS_EARLY_PRINTK
649         select ARCH_HAS_RESET_CONTROLLER          649         select ARCH_HAS_RESET_CONTROLLER
650         select RESET_CONTROLLER                   650         select RESET_CONTROLLER
651                                                   651 
652 config MACH_REALTEK_RTL                           652 config MACH_REALTEK_RTL
653         bool "Realtek RTL838x/RTL839x based ma    653         bool "Realtek RTL838x/RTL839x based machines"
654         select MIPS_GENERIC                       654         select MIPS_GENERIC
655         select MACH_GENERIC_CORE                  655         select MACH_GENERIC_CORE
656         select DMA_NONCOHERENT                    656         select DMA_NONCOHERENT
657         select IRQ_MIPS_CPU                       657         select IRQ_MIPS_CPU
658         select CSRC_R4K                           658         select CSRC_R4K
659         select CEVT_R4K                           659         select CEVT_R4K
660         select SYS_HAS_CPU_MIPS32_R1              660         select SYS_HAS_CPU_MIPS32_R1
661         select SYS_HAS_CPU_MIPS32_R2              661         select SYS_HAS_CPU_MIPS32_R2
662         select SYS_SUPPORTS_BIG_ENDIAN            662         select SYS_SUPPORTS_BIG_ENDIAN
663         select SYS_SUPPORTS_32BIT_KERNEL          663         select SYS_SUPPORTS_32BIT_KERNEL
664         select SYS_SUPPORTS_MIPS16                664         select SYS_SUPPORTS_MIPS16
665         select SYS_SUPPORTS_MULTITHREADING        665         select SYS_SUPPORTS_MULTITHREADING
666         select SYS_SUPPORTS_VPE_LOADER            666         select SYS_SUPPORTS_VPE_LOADER
667         select BOOT_RAW                           667         select BOOT_RAW
668         select PINCTRL                            668         select PINCTRL
669         select USE_OF                             669         select USE_OF
670         select REALTEK_OTTO_TIMER              << 
671                                                   670 
672 config SGI_IP22                                   671 config SGI_IP22
673         bool "SGI IP22 (Indy/Indigo2)"            672         bool "SGI IP22 (Indy/Indigo2)"
674         select ARC_MEMORY                         673         select ARC_MEMORY
675         select ARC_PROMLIB                        674         select ARC_PROMLIB
676         select FW_ARC                             675         select FW_ARC
677         select FW_ARC32                           676         select FW_ARC32
678         select ARCH_MIGHT_HAVE_PC_SERIO           677         select ARCH_MIGHT_HAVE_PC_SERIO
679         select BOOT_ELF32                         678         select BOOT_ELF32
680         select CEVT_R4K                           679         select CEVT_R4K
681         select CSRC_R4K                           680         select CSRC_R4K
682         select DEFAULT_SGI_PARTITION              681         select DEFAULT_SGI_PARTITION
683         select DMA_NONCOHERENT                    682         select DMA_NONCOHERENT
684         select HAVE_EISA                          683         select HAVE_EISA
685         select I8253                              684         select I8253
686         select I8259                              685         select I8259
687         select IP22_CPU_SCACHE                    686         select IP22_CPU_SCACHE
688         select IRQ_MIPS_CPU                       687         select IRQ_MIPS_CPU
689         select GENERIC_ISA_DMA_SUPPORT_BROKEN     688         select GENERIC_ISA_DMA_SUPPORT_BROKEN
690         select SGI_HAS_I8042                      689         select SGI_HAS_I8042
691         select SGI_HAS_INDYDOG                    690         select SGI_HAS_INDYDOG
692         select SGI_HAS_HAL2                       691         select SGI_HAS_HAL2
693         select SGI_HAS_SEEQ                       692         select SGI_HAS_SEEQ
694         select SGI_HAS_WD93                       693         select SGI_HAS_WD93
695         select SGI_HAS_ZILOG                      694         select SGI_HAS_ZILOG
696         select SWAP_IO_SPACE                      695         select SWAP_IO_SPACE
697         select SYS_HAS_CPU_R4X00                  696         select SYS_HAS_CPU_R4X00
698         select SYS_HAS_CPU_R5000                  697         select SYS_HAS_CPU_R5000
699         select SYS_HAS_EARLY_PRINTK               698         select SYS_HAS_EARLY_PRINTK
700         select SYS_SUPPORTS_32BIT_KERNEL          699         select SYS_SUPPORTS_32BIT_KERNEL
701         select SYS_SUPPORTS_64BIT_KERNEL          700         select SYS_SUPPORTS_64BIT_KERNEL
702         select SYS_SUPPORTS_BIG_ENDIAN            701         select SYS_SUPPORTS_BIG_ENDIAN
703         select WAR_R4600_V1_INDEX_ICACHEOP        702         select WAR_R4600_V1_INDEX_ICACHEOP
704         select WAR_R4600_V1_HIT_CACHEOP           703         select WAR_R4600_V1_HIT_CACHEOP
705         select WAR_R4600_V2_HIT_CACHEOP           704         select WAR_R4600_V2_HIT_CACHEOP
706         select MIPS_L1_CACHE_SHIFT_7              705         select MIPS_L1_CACHE_SHIFT_7
707         help                                      706         help
708           This are the SGI Indy, Challenge S a    707           This are the SGI Indy, Challenge S and Indigo2, as well as certain
709           OEM variants like the Tandem CMN B00    708           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710           that runs on these, say Y here.         709           that runs on these, say Y here.
711                                                   710 
712 config SGI_IP27                                   711 config SGI_IP27
713         bool "SGI IP27 (Origin200/2000)"          712         bool "SGI IP27 (Origin200/2000)"
714         select ARCH_HAS_PHYS_TO_DMA               713         select ARCH_HAS_PHYS_TO_DMA
715         select ARCH_SPARSEMEM_ENABLE              714         select ARCH_SPARSEMEM_ENABLE
716         select FW_ARC                             715         select FW_ARC
717         select FW_ARC64                           716         select FW_ARC64
718         select ARC_CMDLINE_ONLY                   717         select ARC_CMDLINE_ONLY
719         select BOOT_ELF64                         718         select BOOT_ELF64
720         select DEFAULT_SGI_PARTITION              719         select DEFAULT_SGI_PARTITION
721         select FORCE_PCI                          720         select FORCE_PCI
722         select SYS_HAS_EARLY_PRINTK               721         select SYS_HAS_EARLY_PRINTK
723         select HAVE_PCI                           722         select HAVE_PCI
724         select IRQ_MIPS_CPU                       723         select IRQ_MIPS_CPU
725         select IRQ_DOMAIN_HIERARCHY               724         select IRQ_DOMAIN_HIERARCHY
726         select NR_CPUS_DEFAULT_64                 725         select NR_CPUS_DEFAULT_64
727         select PCI_DRIVERS_GENERIC                726         select PCI_DRIVERS_GENERIC
728         select PCI_XTALK_BRIDGE                   727         select PCI_XTALK_BRIDGE
729         select SYS_HAS_CPU_R10000                 728         select SYS_HAS_CPU_R10000
730         select SYS_SUPPORTS_64BIT_KERNEL          729         select SYS_SUPPORTS_64BIT_KERNEL
731         select SYS_SUPPORTS_BIG_ENDIAN            730         select SYS_SUPPORTS_BIG_ENDIAN
732         select SYS_SUPPORTS_NUMA                  731         select SYS_SUPPORTS_NUMA
733         select SYS_SUPPORTS_SMP                   732         select SYS_SUPPORTS_SMP
734         select WAR_R10000_LLSC                    733         select WAR_R10000_LLSC
735         select MIPS_L1_CACHE_SHIFT_7              734         select MIPS_L1_CACHE_SHIFT_7
736         select NUMA                               735         select NUMA
                                                   >> 736         select HAVE_ARCH_NODEDATA_EXTENSION
737         help                                      737         help
738           This are the SGI Origin 200, Origin     738           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739           workstations.  To compile a Linux ke    739           workstations.  To compile a Linux kernel that runs on these, say Y
740           here.                                   740           here.
741                                                   741 
742 config SGI_IP28                                   742 config SGI_IP28
743         bool "SGI IP28 (Indigo2 R10k)"            743         bool "SGI IP28 (Indigo2 R10k)"
744         select ARC_MEMORY                         744         select ARC_MEMORY
745         select ARC_PROMLIB                        745         select ARC_PROMLIB
746         select FW_ARC                             746         select FW_ARC
747         select FW_ARC64                           747         select FW_ARC64
748         select ARCH_MIGHT_HAVE_PC_SERIO           748         select ARCH_MIGHT_HAVE_PC_SERIO
749         select BOOT_ELF64                         749         select BOOT_ELF64
750         select CEVT_R4K                           750         select CEVT_R4K
751         select CSRC_R4K                           751         select CSRC_R4K
752         select DEFAULT_SGI_PARTITION              752         select DEFAULT_SGI_PARTITION
753         select DMA_NONCOHERENT                    753         select DMA_NONCOHERENT
754         select GENERIC_ISA_DMA_SUPPORT_BROKEN     754         select GENERIC_ISA_DMA_SUPPORT_BROKEN
755         select IRQ_MIPS_CPU                       755         select IRQ_MIPS_CPU
756         select HAVE_EISA                          756         select HAVE_EISA
757         select I8253                              757         select I8253
758         select I8259                              758         select I8259
759         select SGI_HAS_I8042                      759         select SGI_HAS_I8042
760         select SGI_HAS_INDYDOG                    760         select SGI_HAS_INDYDOG
761         select SGI_HAS_HAL2                       761         select SGI_HAS_HAL2
762         select SGI_HAS_SEEQ                       762         select SGI_HAS_SEEQ
763         select SGI_HAS_WD93                       763         select SGI_HAS_WD93
764         select SGI_HAS_ZILOG                      764         select SGI_HAS_ZILOG
765         select SWAP_IO_SPACE                      765         select SWAP_IO_SPACE
766         select SYS_HAS_CPU_R10000                 766         select SYS_HAS_CPU_R10000
767         select SYS_HAS_EARLY_PRINTK               767         select SYS_HAS_EARLY_PRINTK
768         select SYS_SUPPORTS_64BIT_KERNEL          768         select SYS_SUPPORTS_64BIT_KERNEL
769         select SYS_SUPPORTS_BIG_ENDIAN            769         select SYS_SUPPORTS_BIG_ENDIAN
770         select WAR_R10000_LLSC                    770         select WAR_R10000_LLSC
771         select MIPS_L1_CACHE_SHIFT_7              771         select MIPS_L1_CACHE_SHIFT_7
772         help                                      772         help
773           This is the SGI Indigo2 with R10000     773           This is the SGI Indigo2 with R10000 processor.  To compile a Linux
774           kernel that runs on these, say Y her    774           kernel that runs on these, say Y here.
775                                                   775 
776 config SGI_IP30                                   776 config SGI_IP30
777         bool "SGI IP30 (Octane/Octane2)"          777         bool "SGI IP30 (Octane/Octane2)"
778         select ARCH_HAS_PHYS_TO_DMA               778         select ARCH_HAS_PHYS_TO_DMA
779         select FW_ARC                             779         select FW_ARC
780         select FW_ARC64                           780         select FW_ARC64
781         select BOOT_ELF64                         781         select BOOT_ELF64
782         select CEVT_R4K                           782         select CEVT_R4K
783         select CSRC_R4K                           783         select CSRC_R4K
784         select FORCE_PCI                          784         select FORCE_PCI
785         select SYNC_R4K if SMP                    785         select SYNC_R4K if SMP
786         select ZONE_DMA32                         786         select ZONE_DMA32
787         select HAVE_PCI                           787         select HAVE_PCI
788         select IRQ_MIPS_CPU                       788         select IRQ_MIPS_CPU
789         select IRQ_DOMAIN_HIERARCHY               789         select IRQ_DOMAIN_HIERARCHY
790         select PCI_DRIVERS_GENERIC                790         select PCI_DRIVERS_GENERIC
791         select PCI_XTALK_BRIDGE                   791         select PCI_XTALK_BRIDGE
792         select SYS_HAS_EARLY_PRINTK               792         select SYS_HAS_EARLY_PRINTK
793         select SYS_HAS_CPU_R10000                 793         select SYS_HAS_CPU_R10000
794         select SYS_SUPPORTS_64BIT_KERNEL          794         select SYS_SUPPORTS_64BIT_KERNEL
795         select SYS_SUPPORTS_BIG_ENDIAN            795         select SYS_SUPPORTS_BIG_ENDIAN
796         select SYS_SUPPORTS_SMP                   796         select SYS_SUPPORTS_SMP
797         select WAR_R10000_LLSC                    797         select WAR_R10000_LLSC
798         select MIPS_L1_CACHE_SHIFT_7              798         select MIPS_L1_CACHE_SHIFT_7
799         select ARC_MEMORY                         799         select ARC_MEMORY
800         help                                      800         help
801           These are the SGI Octane and Octane2    801           These are the SGI Octane and Octane2 graphics workstations.  To
802           compile a Linux kernel that runs on     802           compile a Linux kernel that runs on these, say Y here.
803                                                   803 
804 config SGI_IP32                                   804 config SGI_IP32
805         bool "SGI IP32 (O2)"                      805         bool "SGI IP32 (O2)"
806         select ARC_MEMORY                         806         select ARC_MEMORY
807         select ARC_PROMLIB                        807         select ARC_PROMLIB
808         select ARCH_HAS_PHYS_TO_DMA               808         select ARCH_HAS_PHYS_TO_DMA
809         select FW_ARC                             809         select FW_ARC
810         select FW_ARC32                           810         select FW_ARC32
811         select BOOT_ELF32                         811         select BOOT_ELF32
812         select CEVT_R4K                           812         select CEVT_R4K
813         select CSRC_R4K                           813         select CSRC_R4K
814         select DMA_NONCOHERENT                    814         select DMA_NONCOHERENT
815         select HAVE_PCI                           815         select HAVE_PCI
816         select IRQ_MIPS_CPU                       816         select IRQ_MIPS_CPU
817         select R5000_CPU_SCACHE                   817         select R5000_CPU_SCACHE
818         select RM7000_CPU_SCACHE                  818         select RM7000_CPU_SCACHE
819         select SYS_HAS_CPU_R5000                  819         select SYS_HAS_CPU_R5000
820         select SYS_HAS_CPU_R10000 if BROKEN       820         select SYS_HAS_CPU_R10000 if BROKEN
821         select SYS_HAS_CPU_RM7000                 821         select SYS_HAS_CPU_RM7000
822         select SYS_HAS_CPU_NEVADA                 822         select SYS_HAS_CPU_NEVADA
823         select SYS_SUPPORTS_64BIT_KERNEL          823         select SYS_SUPPORTS_64BIT_KERNEL
824         select SYS_SUPPORTS_BIG_ENDIAN            824         select SYS_SUPPORTS_BIG_ENDIAN
825         select WAR_ICACHE_REFILLS                 825         select WAR_ICACHE_REFILLS
826         help                                      826         help
827           If you want this kernel to run on SG    827           If you want this kernel to run on SGI O2 workstation, say Y here.
828                                                   828 
829 config SIBYTE_CRHONE                              829 config SIBYTE_CRHONE
830         bool "Sibyte BCM91125C-CRhone"            830         bool "Sibyte BCM91125C-CRhone"
831         select BOOT_ELF32                         831         select BOOT_ELF32
832         select SIBYTE_BCM1125                     832         select SIBYTE_BCM1125
833         select SWAP_IO_SPACE                      833         select SWAP_IO_SPACE
834         select SYS_HAS_CPU_SB1                    834         select SYS_HAS_CPU_SB1
835         select SYS_SUPPORTS_BIG_ENDIAN            835         select SYS_SUPPORTS_BIG_ENDIAN
836         select SYS_SUPPORTS_HIGHMEM               836         select SYS_SUPPORTS_HIGHMEM
837         select SYS_SUPPORTS_LITTLE_ENDIAN         837         select SYS_SUPPORTS_LITTLE_ENDIAN
838                                                   838 
839 config SIBYTE_RHONE                               839 config SIBYTE_RHONE
840         bool "Sibyte BCM91125E-Rhone"             840         bool "Sibyte BCM91125E-Rhone"
841         select BOOT_ELF32                         841         select BOOT_ELF32
842         select SIBYTE_SB1250                      842         select SIBYTE_SB1250
843         select SWAP_IO_SPACE                      843         select SWAP_IO_SPACE
844         select SYS_HAS_CPU_SB1                    844         select SYS_HAS_CPU_SB1
845         select SYS_SUPPORTS_BIG_ENDIAN            845         select SYS_SUPPORTS_BIG_ENDIAN
846         select SYS_SUPPORTS_LITTLE_ENDIAN         846         select SYS_SUPPORTS_LITTLE_ENDIAN
847                                                   847 
848 config SIBYTE_SWARM                               848 config SIBYTE_SWARM
849         bool "Sibyte BCM91250A-SWARM"             849         bool "Sibyte BCM91250A-SWARM"
850         select BOOT_ELF32                         850         select BOOT_ELF32
851         select HAVE_PATA_PLATFORM                 851         select HAVE_PATA_PLATFORM
852         select SIBYTE_SB1250                      852         select SIBYTE_SB1250
853         select SWAP_IO_SPACE                      853         select SWAP_IO_SPACE
854         select SYS_HAS_CPU_SB1                    854         select SYS_HAS_CPU_SB1
855         select SYS_SUPPORTS_BIG_ENDIAN            855         select SYS_SUPPORTS_BIG_ENDIAN
856         select SYS_SUPPORTS_HIGHMEM               856         select SYS_SUPPORTS_HIGHMEM
857         select SYS_SUPPORTS_LITTLE_ENDIAN         857         select SYS_SUPPORTS_LITTLE_ENDIAN
858         select ZONE_DMA32 if 64BIT                858         select ZONE_DMA32 if 64BIT
859         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    859         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860                                                   860 
861 config SIBYTE_LITTLESUR                           861 config SIBYTE_LITTLESUR
862         bool "Sibyte BCM91250C2-LittleSur"        862         bool "Sibyte BCM91250C2-LittleSur"
863         select BOOT_ELF32                         863         select BOOT_ELF32
864         select HAVE_PATA_PLATFORM                 864         select HAVE_PATA_PLATFORM
865         select SIBYTE_SB1250                      865         select SIBYTE_SB1250
866         select SWAP_IO_SPACE                      866         select SWAP_IO_SPACE
867         select SYS_HAS_CPU_SB1                    867         select SYS_HAS_CPU_SB1
868         select SYS_SUPPORTS_BIG_ENDIAN            868         select SYS_SUPPORTS_BIG_ENDIAN
869         select SYS_SUPPORTS_HIGHMEM               869         select SYS_SUPPORTS_HIGHMEM
870         select SYS_SUPPORTS_LITTLE_ENDIAN         870         select SYS_SUPPORTS_LITTLE_ENDIAN
871         select ZONE_DMA32 if 64BIT                871         select ZONE_DMA32 if 64BIT
872                                                   872 
873 config SIBYTE_SENTOSA                             873 config SIBYTE_SENTOSA
874         bool "Sibyte BCM91250E-Sentosa"           874         bool "Sibyte BCM91250E-Sentosa"
875         select BOOT_ELF32                         875         select BOOT_ELF32
876         select SIBYTE_SB1250                      876         select SIBYTE_SB1250
877         select SWAP_IO_SPACE                      877         select SWAP_IO_SPACE
878         select SYS_HAS_CPU_SB1                    878         select SYS_HAS_CPU_SB1
879         select SYS_SUPPORTS_BIG_ENDIAN            879         select SYS_SUPPORTS_BIG_ENDIAN
880         select SYS_SUPPORTS_LITTLE_ENDIAN         880         select SYS_SUPPORTS_LITTLE_ENDIAN
881         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    881         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882                                                   882 
883 config SIBYTE_BIGSUR                              883 config SIBYTE_BIGSUR
884         bool "Sibyte BCM91480B-BigSur"            884         bool "Sibyte BCM91480B-BigSur"
885         select BOOT_ELF32                         885         select BOOT_ELF32
886         select NR_CPUS_DEFAULT_4                  886         select NR_CPUS_DEFAULT_4
887         select SIBYTE_BCM1x80                     887         select SIBYTE_BCM1x80
888         select SWAP_IO_SPACE                      888         select SWAP_IO_SPACE
889         select SYS_HAS_CPU_SB1                    889         select SYS_HAS_CPU_SB1
890         select SYS_SUPPORTS_BIG_ENDIAN            890         select SYS_SUPPORTS_BIG_ENDIAN
891         select SYS_SUPPORTS_HIGHMEM               891         select SYS_SUPPORTS_HIGHMEM
892         select SYS_SUPPORTS_LITTLE_ENDIAN         892         select SYS_SUPPORTS_LITTLE_ENDIAN
893         select ZONE_DMA32 if 64BIT                893         select ZONE_DMA32 if 64BIT
894         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    894         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895                                                   895 
896 config SNI_RM                                     896 config SNI_RM
897         bool "SNI RM200/300/400"                  897         bool "SNI RM200/300/400"
898         select ARC_MEMORY                         898         select ARC_MEMORY
899         select ARC_PROMLIB                        899         select ARC_PROMLIB
900         select FW_ARC if CPU_LITTLE_ENDIAN        900         select FW_ARC if CPU_LITTLE_ENDIAN
901         select FW_ARC32 if CPU_LITTLE_ENDIAN      901         select FW_ARC32 if CPU_LITTLE_ENDIAN
902         select FW_SNIPROM if CPU_BIG_ENDIAN       902         select FW_SNIPROM if CPU_BIG_ENDIAN
903         select ARCH_MAY_HAVE_PC_FDC               903         select ARCH_MAY_HAVE_PC_FDC
904         select ARCH_MIGHT_HAVE_PC_PARPORT         904         select ARCH_MIGHT_HAVE_PC_PARPORT
905         select ARCH_MIGHT_HAVE_PC_SERIO           905         select ARCH_MIGHT_HAVE_PC_SERIO
906         select BOOT_ELF32                         906         select BOOT_ELF32
907         select CEVT_R4K                           907         select CEVT_R4K
908         select CSRC_R4K                           908         select CSRC_R4K
909         select DEFAULT_SGI_PARTITION if CPU_BI    909         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910         select DMA_NONCOHERENT                    910         select DMA_NONCOHERENT
911         select GENERIC_ISA_DMA                    911         select GENERIC_ISA_DMA
912         select HAVE_EISA                          912         select HAVE_EISA
913         select HAVE_PCSPKR_PLATFORM               913         select HAVE_PCSPKR_PLATFORM
914         select HAVE_PCI                           914         select HAVE_PCI
915         select IRQ_MIPS_CPU                       915         select IRQ_MIPS_CPU
916         select I8253                              916         select I8253
917         select I8259                              917         select I8259
918         select ISA                                918         select ISA
919         select MIPS_L1_CACHE_SHIFT_6              919         select MIPS_L1_CACHE_SHIFT_6
920         select SWAP_IO_SPACE if CPU_BIG_ENDIAN    920         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921         select SYS_HAS_CPU_R4X00                  921         select SYS_HAS_CPU_R4X00
922         select SYS_HAS_CPU_R5000                  922         select SYS_HAS_CPU_R5000
923         select SYS_HAS_CPU_R10000                 923         select SYS_HAS_CPU_R10000
924         select R5000_CPU_SCACHE                   924         select R5000_CPU_SCACHE
925         select SYS_HAS_EARLY_PRINTK               925         select SYS_HAS_EARLY_PRINTK
926         select SYS_SUPPORTS_32BIT_KERNEL          926         select SYS_SUPPORTS_32BIT_KERNEL
927         select SYS_SUPPORTS_64BIT_KERNEL          927         select SYS_SUPPORTS_64BIT_KERNEL
928         select SYS_SUPPORTS_BIG_ENDIAN            928         select SYS_SUPPORTS_BIG_ENDIAN
929         select SYS_SUPPORTS_HIGHMEM               929         select SYS_SUPPORTS_HIGHMEM
930         select SYS_SUPPORTS_LITTLE_ENDIAN         930         select SYS_SUPPORTS_LITTLE_ENDIAN
931         select WAR_R4600_V2_HIT_CACHEOP           931         select WAR_R4600_V2_HIT_CACHEOP
932         help                                      932         help
933           The SNI RM200/300/400 are MIPS-based    933           The SNI RM200/300/400 are MIPS-based machines manufactured by
934           Siemens Nixdorf Informationssysteme     934           Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935           Technology and now in turn merged wi    935           Technology and now in turn merged with Fujitsu.  Say Y here to
936           support this machine type.              936           support this machine type.
937                                                   937 
938 config MACH_TX49XX                                938 config MACH_TX49XX
939         bool "Toshiba TX49 series based machin    939         bool "Toshiba TX49 series based machines"
940         select WAR_TX49XX_ICACHE_INDEX_INV        940         select WAR_TX49XX_ICACHE_INDEX_INV
941                                                   941 
942 config MIKROTIK_RB532                             942 config MIKROTIK_RB532
943         bool "Mikrotik RB532 boards"              943         bool "Mikrotik RB532 boards"
944         select CEVT_R4K                           944         select CEVT_R4K
945         select CSRC_R4K                           945         select CSRC_R4K
946         select DMA_NONCOHERENT                    946         select DMA_NONCOHERENT
947         select HAVE_PCI                           947         select HAVE_PCI
948         select IRQ_MIPS_CPU                       948         select IRQ_MIPS_CPU
949         select SYS_HAS_CPU_MIPS32_R1              949         select SYS_HAS_CPU_MIPS32_R1
950         select SYS_SUPPORTS_32BIT_KERNEL          950         select SYS_SUPPORTS_32BIT_KERNEL
951         select SYS_SUPPORTS_LITTLE_ENDIAN         951         select SYS_SUPPORTS_LITTLE_ENDIAN
952         select SWAP_IO_SPACE                      952         select SWAP_IO_SPACE
953         select BOOT_RAW                           953         select BOOT_RAW
954         select GPIOLIB                            954         select GPIOLIB
955         select MIPS_L1_CACHE_SHIFT_4              955         select MIPS_L1_CACHE_SHIFT_4
956         help                                      956         help
957           Support the Mikrotik(tm) RouterBoard    957           Support the Mikrotik(tm) RouterBoard 532 series,
958           based on the IDT RC32434 SoC.           958           based on the IDT RC32434 SoC.
959                                                   959 
960 config CAVIUM_OCTEON_SOC                          960 config CAVIUM_OCTEON_SOC
961         bool "Cavium Networks Octeon SoC based    961         bool "Cavium Networks Octeon SoC based boards"
962         select CEVT_R4K                           962         select CEVT_R4K
963         select ARCH_HAS_PHYS_TO_DMA               963         select ARCH_HAS_PHYS_TO_DMA
964         select HAVE_RAPIDIO                       964         select HAVE_RAPIDIO
965         select PHYS_ADDR_T_64BIT                  965         select PHYS_ADDR_T_64BIT
966         select SYS_SUPPORTS_64BIT_KERNEL          966         select SYS_SUPPORTS_64BIT_KERNEL
967         select SYS_SUPPORTS_BIG_ENDIAN            967         select SYS_SUPPORTS_BIG_ENDIAN
968         select EDAC_SUPPORT                       968         select EDAC_SUPPORT
969         select EDAC_ATOMIC_SCRUB                  969         select EDAC_ATOMIC_SCRUB
970         select SYS_SUPPORTS_LITTLE_ENDIAN         970         select SYS_SUPPORTS_LITTLE_ENDIAN
971         select SYS_SUPPORTS_HOTPLUG_CPU if CPU    971         select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972         select SYS_HAS_EARLY_PRINTK               972         select SYS_HAS_EARLY_PRINTK
973         select SYS_HAS_CPU_CAVIUM_OCTEON          973         select SYS_HAS_CPU_CAVIUM_OCTEON
974         select HAVE_PCI                           974         select HAVE_PCI
975         select HAVE_PLAT_DELAY                    975         select HAVE_PLAT_DELAY
976         select HAVE_PLAT_FW_INIT_CMDLINE          976         select HAVE_PLAT_FW_INIT_CMDLINE
977         select HAVE_PLAT_MEMCPY                   977         select HAVE_PLAT_MEMCPY
978         select ZONE_DMA32                         978         select ZONE_DMA32
979         select GPIOLIB                            979         select GPIOLIB
980         select USE_OF                             980         select USE_OF
981         select ARCH_SPARSEMEM_ENABLE              981         select ARCH_SPARSEMEM_ENABLE
982         select SYS_SUPPORTS_SMP                   982         select SYS_SUPPORTS_SMP
983         select NR_CPUS_DEFAULT_64                 983         select NR_CPUS_DEFAULT_64
984         select MIPS_NR_CPU_NR_MAP_1024            984         select MIPS_NR_CPU_NR_MAP_1024
985         select BUILTIN_DTB                        985         select BUILTIN_DTB
986         select MTD                                986         select MTD
987         select MTD_COMPLEX_MAPPINGS               987         select MTD_COMPLEX_MAPPINGS
988         select SWIOTLB                            988         select SWIOTLB
989         select SYS_SUPPORTS_RELOCATABLE           989         select SYS_SUPPORTS_RELOCATABLE
990         help                                      990         help
991           This option supports all of the Octe    991           This option supports all of the Octeon reference boards from Cavium
992           Networks. It builds a kernel that dy    992           Networks. It builds a kernel that dynamically determines the Octeon
993           CPU type and supports all known boar    993           CPU type and supports all known board reference implementations.
994           Some of the supported boards are:       994           Some of the supported boards are:
995                 EBT3000                           995                 EBT3000
996                 EBH3000                           996                 EBH3000
997                 EBH3100                           997                 EBH3100
998                 Thunder                           998                 Thunder
999                 Kodama                            999                 Kodama
1000                 Hikari                           1000                 Hikari
1001           Say Y here for most Octeon referenc    1001           Say Y here for most Octeon reference boards.
1002                                                  1002 
1003 endchoice                                        1003 endchoice
1004                                                  1004 
1005 config FIT_IMAGE_FDT_EPM5                        1005 config FIT_IMAGE_FDT_EPM5
1006         bool "Include FDT for Mobileye EyeQ5     1006         bool "Include FDT for Mobileye EyeQ5 development platforms"
1007         depends on MACH_EYEQ5                    1007         depends on MACH_EYEQ5
1008         default n                                1008         default n
1009         help                                     1009         help
1010           Enable this to include the FDT for     1010           Enable this to include the FDT for the EyeQ5 development platforms
1011           from Mobileye in the FIT kernel ima    1011           from Mobileye in the FIT kernel image.
1012           This requires u-boot on the platfor    1012           This requires u-boot on the platform.
1013                                                  1013 
1014 source "arch/mips/alchemy/Kconfig"               1014 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig"                 1015 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig"                 1016 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig"               1017 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig"               1018 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig"                 1019 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig"               1020 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig"               1021 source "arch/mips/ingenic/Kconfig"
1022 source "arch/mips/jazz/Kconfig"                  1022 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig"                1023 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig"           << 
1025 source "arch/mips/pic32/Kconfig"                 1024 source "arch/mips/pic32/Kconfig"
1026 source "arch/mips/ralink/Kconfig"                1025 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig"              1026 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig"                1027 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig"                  1028 source "arch/mips/txx9/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig"         1029 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig"           1030 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig"            1031 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig"            1032 source "arch/mips/loongson64/Kconfig"
1034                                                  1033 
1035 endmenu                                          1034 endmenu
1036                                                  1035 
1037 config GENERIC_HWEIGHT                           1036 config GENERIC_HWEIGHT
1038         bool                                     1037         bool
1039         default y                                1038         default y
1040                                                  1039 
1041 config GENERIC_CALIBRATE_DELAY                   1040 config GENERIC_CALIBRATE_DELAY
1042         bool                                     1041         bool
1043         default y                                1042         default y
1044                                                  1043 
1045 config SCHED_OMIT_FRAME_POINTER                  1044 config SCHED_OMIT_FRAME_POINTER
1046         bool                                     1045         bool
1047         default y                                1046         default y
1048                                                  1047 
1049 #                                                1048 #
1050 # Select some configuration options automatic    1049 # Select some configuration options automatically based on user selections.
1051 #                                                1050 #
1052 config FW_ARC                                    1051 config FW_ARC
1053         bool                                     1052         bool
1054                                                  1053 
1055 config ARCH_MAY_HAVE_PC_FDC                      1054 config ARCH_MAY_HAVE_PC_FDC
1056         bool                                     1055         bool
1057                                                  1056 
1058 config BOOT_RAW                                  1057 config BOOT_RAW
1059         bool                                     1058         bool
1060                                                  1059 
1061 config CEVT_BCM1480                              1060 config CEVT_BCM1480
1062         bool                                     1061         bool
1063                                                  1062 
1064 config CEVT_DS1287                               1063 config CEVT_DS1287
1065         bool                                     1064         bool
1066                                                  1065 
1067 config CEVT_GT641XX                              1066 config CEVT_GT641XX
1068         bool                                     1067         bool
1069                                                  1068 
1070 config CEVT_R4K                                  1069 config CEVT_R4K
1071         bool                                     1070         bool
1072                                                  1071 
1073 config CEVT_SB1250                               1072 config CEVT_SB1250
1074         bool                                     1073         bool
1075                                                  1074 
1076 config CEVT_TXX9                                 1075 config CEVT_TXX9
1077         bool                                     1076         bool
1078                                                  1077 
1079 config CSRC_BCM1480                              1078 config CSRC_BCM1480
1080         bool                                     1079         bool
1081                                                  1080 
1082 config CSRC_IOASIC                               1081 config CSRC_IOASIC
1083         bool                                     1082         bool
1084                                                  1083 
1085 config CSRC_R4K                                  1084 config CSRC_R4K
1086         select CLOCKSOURCE_WATCHDOG if CPU_FR    1085         select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087         select HAVE_UNSTABLE_SCHED_CLOCK if S << 
1088         bool                                     1086         bool
1089                                                  1087 
1090 config CSRC_SB1250                               1088 config CSRC_SB1250
1091         bool                                     1089         bool
1092                                                  1090 
1093 config MIPS_CLOCK_VSYSCALL                       1091 config MIPS_CLOCK_VSYSCALL
1094         def_bool CSRC_R4K || CLKSRC_MIPS_GIC     1092         def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095                                                  1093 
1096 config GPIO_TXX9                                 1094 config GPIO_TXX9
1097         select GPIOLIB                           1095         select GPIOLIB
1098         bool                                     1096         bool
1099                                                  1097 
1100 config FW_CFE                                    1098 config FW_CFE
1101         bool                                     1099         bool
1102                                                  1100 
1103 config ARCH_SUPPORTS_UPROBES                     1101 config ARCH_SUPPORTS_UPROBES
1104         def_bool y                               1102         def_bool y
1105                                                  1103 
1106 config DMA_NONCOHERENT                           1104 config DMA_NONCOHERENT
1107         bool                                     1105         bool
1108         #                                        1106         #
1109         # MIPS allows mixing "slightly differ    1107         # MIPS allows mixing "slightly different" Cacheability and Coherency
1110         # Attribute bits.  It is believed tha    1108         # Attribute bits.  It is believed that the uncached access through
1111         # KSEG1 and the implementation specif    1109         # KSEG1 and the implementation specific "uncached accelerated" used
1112         # by pgprot_writcombine can be mixed,    1110         # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113         # significant advantages.                1111         # significant advantages.
1114         #                                        1112         #
1115         select ARCH_HAS_SETUP_DMA_OPS            1113         select ARCH_HAS_SETUP_DMA_OPS
1116         select ARCH_HAS_DMA_WRITE_COMBINE        1114         select ARCH_HAS_DMA_WRITE_COMBINE
1117         select ARCH_HAS_DMA_PREP_COHERENT        1115         select ARCH_HAS_DMA_PREP_COHERENT
1118         select ARCH_HAS_SYNC_DMA_FOR_CPU         1116         select ARCH_HAS_SYNC_DMA_FOR_CPU
1119         select ARCH_HAS_SYNC_DMA_FOR_DEVICE      1117         select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120         select ARCH_HAS_DMA_SET_UNCACHED         1118         select ARCH_HAS_DMA_SET_UNCACHED
1121         select DMA_NONCOHERENT_MMAP              1119         select DMA_NONCOHERENT_MMAP
1122         select NEED_DMA_MAP_STATE                1120         select NEED_DMA_MAP_STATE
1123                                                  1121 
1124 config SYS_HAS_EARLY_PRINTK                      1122 config SYS_HAS_EARLY_PRINTK
1125         bool                                     1123         bool
1126                                                  1124 
1127 config SYS_SUPPORTS_HOTPLUG_CPU                  1125 config SYS_SUPPORTS_HOTPLUG_CPU
1128         bool                                     1126         bool
1129                                                  1127 
1130 config MIPS_BONITO64                             1128 config MIPS_BONITO64
1131         bool                                     1129         bool
1132                                                  1130 
1133 config MIPS_MSC                                  1131 config MIPS_MSC
1134         bool                                     1132         bool
1135                                                  1133 
1136 config SYNC_R4K                                  1134 config SYNC_R4K
1137         bool                                     1135         bool
1138                                                  1136 
1139 config NO_IOPORT_MAP                             1137 config NO_IOPORT_MAP
1140         def_bool n                               1138         def_bool n
1141                                                  1139 
1142 config GENERIC_CSUM                              1140 config GENERIC_CSUM
1143         def_bool CPU_NO_LOAD_STORE_LR            1141         def_bool CPU_NO_LOAD_STORE_LR
1144                                                  1142 
1145 config GENERIC_ISA_DMA                           1143 config GENERIC_ISA_DMA
1146         bool                                     1144         bool
1147         select ZONE_DMA if GENERIC_ISA_DMA_SU    1145         select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148         select ISA_DMA_API                       1146         select ISA_DMA_API
1149                                                  1147 
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN            1148 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151         bool                                     1149         bool
1152         select GENERIC_ISA_DMA                   1150         select GENERIC_ISA_DMA
1153                                                  1151 
1154 config HAVE_PLAT_DELAY                           1152 config HAVE_PLAT_DELAY
1155         bool                                     1153         bool
1156                                                  1154 
1157 config HAVE_PLAT_FW_INIT_CMDLINE                 1155 config HAVE_PLAT_FW_INIT_CMDLINE
1158         bool                                     1156         bool
1159                                                  1157 
1160 config HAVE_PLAT_MEMCPY                          1158 config HAVE_PLAT_MEMCPY
1161         bool                                     1159         bool
1162                                                  1160 
1163 config ISA_DMA_API                               1161 config ISA_DMA_API
1164         bool                                     1162         bool
1165                                                  1163 
1166 config SYS_SUPPORTS_RELOCATABLE                  1164 config SYS_SUPPORTS_RELOCATABLE
1167         bool                                     1165         bool
1168         help                                     1166         help
1169           Selected if the platform supports r    1167           Selected if the platform supports relocating the kernel.
1170           The platform must provide plat_get_    1168           The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171           to allow access to command line and    1169           to allow access to command line and entropy sources.
1172                                                  1170 
1173 #                                                1171 #
1174 # Endianness selection.  Sufficiently obscure    1172 # Endianness selection.  Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl    1173 # answer,so we try hard to limit the available choices.  Also the use of a
1176 # choice statement should be more obvious to     1174 # choice statement should be more obvious to the user.
1177 #                                                1175 #
1178 choice                                           1176 choice
1179         prompt "Endianness selection"            1177         prompt "Endianness selection"
1180         help                                     1178         help
1181           Some MIPS machines can be configure    1179           Some MIPS machines can be configured for either little or big endian
1182           byte order. These modes require dif    1180           byte order. These modes require different kernels and a different
1183           Linux distribution.  In general the    1181           Linux distribution.  In general there is one preferred byteorder for a
1184           particular system but some systems     1182           particular system but some systems are just as commonly used in the
1185           one or the other endianness.           1183           one or the other endianness.
1186                                                  1184 
1187 config CPU_BIG_ENDIAN                            1185 config CPU_BIG_ENDIAN
1188         bool "Big endian"                        1186         bool "Big endian"
1189         depends on SYS_SUPPORTS_BIG_ENDIAN       1187         depends on SYS_SUPPORTS_BIG_ENDIAN
1190                                                  1188 
1191 config CPU_LITTLE_ENDIAN                         1189 config CPU_LITTLE_ENDIAN
1192         bool "Little endian"                     1190         bool "Little endian"
1193         depends on SYS_SUPPORTS_LITTLE_ENDIAN    1191         depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194                                                  1192 
1195 endchoice                                        1193 endchoice
1196                                                  1194 
1197 config EXPORT_UASM                               1195 config EXPORT_UASM
1198         bool                                     1196         bool
1199                                                  1197 
1200 config SYS_SUPPORTS_APM_EMULATION                1198 config SYS_SUPPORTS_APM_EMULATION
1201         bool                                     1199         bool
1202                                                  1200 
1203 config SYS_SUPPORTS_BIG_ENDIAN                   1201 config SYS_SUPPORTS_BIG_ENDIAN
1204         bool                                     1202         bool
1205                                                  1203 
1206 config SYS_SUPPORTS_LITTLE_ENDIAN                1204 config SYS_SUPPORTS_LITTLE_ENDIAN
1207         bool                                     1205         bool
1208                                                  1206 
1209 config MIPS_HUGE_TLB_SUPPORT                     1207 config MIPS_HUGE_TLB_SUPPORT
1210         def_bool HUGETLB_PAGE || TRANSPARENT_    1208         def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211                                                  1209 
1212 config IRQ_TXX9                                  1210 config IRQ_TXX9
1213         bool                                     1211         bool
1214                                                  1212 
1215 config IRQ_GT641XX                               1213 config IRQ_GT641XX
1216         bool                                     1214         bool
1217                                                  1215 
1218 config PCI_GT64XXX_PCI0                          1216 config PCI_GT64XXX_PCI0
1219         bool                                     1217         bool
1220                                                  1218 
1221 config PCI_XTALK_BRIDGE                          1219 config PCI_XTALK_BRIDGE
1222         bool                                     1220         bool
1223                                                  1221 
1224 config NO_EXCEPT_FILL                            1222 config NO_EXCEPT_FILL
1225         bool                                     1223         bool
1226                                                  1224 
1227 config MIPS_SPRAM                                1225 config MIPS_SPRAM
1228         bool                                     1226         bool
1229                                                  1227 
1230 config SWAP_IO_SPACE                             1228 config SWAP_IO_SPACE
1231         bool                                     1229         bool
1232                                                  1230 
1233 config SGI_HAS_INDYDOG                           1231 config SGI_HAS_INDYDOG
1234         bool                                     1232         bool
1235                                                  1233 
1236 config SGI_HAS_HAL2                              1234 config SGI_HAS_HAL2
1237         bool                                     1235         bool
1238                                                  1236 
1239 config SGI_HAS_SEEQ                              1237 config SGI_HAS_SEEQ
1240         bool                                     1238         bool
1241                                                  1239 
1242 config SGI_HAS_WD93                              1240 config SGI_HAS_WD93
1243         bool                                     1241         bool
1244                                                  1242 
1245 config SGI_HAS_ZILOG                             1243 config SGI_HAS_ZILOG
1246         bool                                     1244         bool
1247                                                  1245 
1248 config SGI_HAS_I8042                             1246 config SGI_HAS_I8042
1249         bool                                     1247         bool
1250                                                  1248 
1251 config DEFAULT_SGI_PARTITION                     1249 config DEFAULT_SGI_PARTITION
1252         bool                                     1250         bool
1253                                                  1251 
1254 config FW_ARC32                                  1252 config FW_ARC32
1255         bool                                     1253         bool
1256                                                  1254 
1257 config FW_SNIPROM                                1255 config FW_SNIPROM
1258         bool                                     1256         bool
1259                                                  1257 
1260 config BOOT_ELF32                                1258 config BOOT_ELF32
1261         bool                                     1259         bool
1262                                                  1260 
1263 config MIPS_L1_CACHE_SHIFT_4                     1261 config MIPS_L1_CACHE_SHIFT_4
1264         bool                                     1262         bool
1265                                                  1263 
1266 config MIPS_L1_CACHE_SHIFT_5                     1264 config MIPS_L1_CACHE_SHIFT_5
1267         bool                                     1265         bool
1268                                                  1266 
1269 config MIPS_L1_CACHE_SHIFT_6                     1267 config MIPS_L1_CACHE_SHIFT_6
1270         bool                                     1268         bool
1271                                                  1269 
1272 config MIPS_L1_CACHE_SHIFT_7                     1270 config MIPS_L1_CACHE_SHIFT_7
1273         bool                                     1271         bool
1274                                                  1272 
1275 config MIPS_L1_CACHE_SHIFT                       1273 config MIPS_L1_CACHE_SHIFT
1276         int                                      1274         int
1277         default "7" if MIPS_L1_CACHE_SHIFT_7     1275         default "7" if MIPS_L1_CACHE_SHIFT_7
1278         default "6" if MIPS_L1_CACHE_SHIFT_6     1276         default "6" if MIPS_L1_CACHE_SHIFT_6
1279         default "5" if MIPS_L1_CACHE_SHIFT_5     1277         default "5" if MIPS_L1_CACHE_SHIFT_5
1280         default "4" if MIPS_L1_CACHE_SHIFT_4     1278         default "4" if MIPS_L1_CACHE_SHIFT_4
1281         default "5"                              1279         default "5"
1282                                                  1280 
1283 config ARC_CMDLINE_ONLY                          1281 config ARC_CMDLINE_ONLY
1284         bool                                     1282         bool
1285                                                  1283 
1286 config ARC_CONSOLE                               1284 config ARC_CONSOLE
1287         bool "ARC console support"               1285         bool "ARC console support"
1288         depends on SGI_IP22 || SGI_IP28 || (S    1286         depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289                                                  1287 
1290 config ARC_MEMORY                                1288 config ARC_MEMORY
1291         bool                                     1289         bool
1292                                                  1290 
1293 config ARC_PROMLIB                               1291 config ARC_PROMLIB
1294         bool                                     1292         bool
1295                                                  1293 
1296 config FW_ARC64                                  1294 config FW_ARC64
1297         bool                                     1295         bool
1298                                                  1296 
1299 config BOOT_ELF64                                1297 config BOOT_ELF64
1300         bool                                     1298         bool
1301                                                  1299 
1302 menu "CPU selection"                             1300 menu "CPU selection"
1303                                                  1301 
1304 choice                                           1302 choice
1305         prompt "CPU type"                        1303         prompt "CPU type"
1306         default CPU_R4X00                        1304         default CPU_R4X00
1307                                                  1305 
1308 config CPU_LOONGSON64                            1306 config CPU_LOONGSON64
1309         bool "Loongson 64-bit CPU"               1307         bool "Loongson 64-bit CPU"
1310         depends on SYS_HAS_CPU_LOONGSON64        1308         depends on SYS_HAS_CPU_LOONGSON64
1311         select ARCH_HAS_PHYS_TO_DMA              1309         select ARCH_HAS_PHYS_TO_DMA
1312         select CPU_MIPSR2                        1310         select CPU_MIPSR2
1313         select CPU_HAS_PREFETCH                  1311         select CPU_HAS_PREFETCH
1314         select CPU_SUPPORTS_64BIT_KERNEL         1312         select CPU_SUPPORTS_64BIT_KERNEL
1315         select CPU_SUPPORTS_HIGHMEM              1313         select CPU_SUPPORTS_HIGHMEM
1316         select CPU_SUPPORTS_HUGEPAGES            1314         select CPU_SUPPORTS_HUGEPAGES
1317         select CPU_SUPPORTS_MSA                  1315         select CPU_SUPPORTS_MSA
1318         select CPU_SUPPORTS_VZ                   1316         select CPU_SUPPORTS_VZ
1319         select CPU_DIEI_BROKEN if !LOONGSON3_    1317         select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320         select CPU_MIPSR2_IRQ_VI                 1318         select CPU_MIPSR2_IRQ_VI
1321         select DMA_NONCOHERENT                   1319         select DMA_NONCOHERENT
1322         select WEAK_ORDERING                     1320         select WEAK_ORDERING
1323         select WEAK_REORDERING_BEYOND_LLSC       1321         select WEAK_REORDERING_BEYOND_LLSC
1324         select MIPS_ASID_BITS_VARIABLE           1322         select MIPS_ASID_BITS_VARIABLE
1325         select MIPS_PGD_C0_CONTEXT               1323         select MIPS_PGD_C0_CONTEXT
1326         select MIPS_L1_CACHE_SHIFT_6             1324         select MIPS_L1_CACHE_SHIFT_6
1327         select MIPS_FP_SUPPORT                   1325         select MIPS_FP_SUPPORT
1328         select GPIOLIB                           1326         select GPIOLIB
1329         select SWIOTLB                           1327         select SWIOTLB
1330         help                                     1328         help
1331           The Loongson GSx64(GS264/GS464/GS46    1329           The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332           cores implements the MIPS64R2 instr    1330           cores implements the MIPS64R2 instruction set with many extensions,
1333           including most 64-bit Loongson-2 (2    1331           including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334           3B1000, 3B1500, 3A2000, 3A3000 and     1332           3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335           Loongson-2E/2F is not covered here     1333           Loongson-2E/2F is not covered here and will be removed in future.
1336                                                  1334 
1337 config CPU_LOONGSON2E                            1335 config CPU_LOONGSON2E
1338         bool "Loongson 2E"                       1336         bool "Loongson 2E"
1339         depends on SYS_HAS_CPU_LOONGSON2E        1337         depends on SYS_HAS_CPU_LOONGSON2E
1340         select CPU_LOONGSON2EF                   1338         select CPU_LOONGSON2EF
1341         help                                     1339         help
1342           The Loongson 2E processor implement    1340           The Loongson 2E processor implements the MIPS III instruction set
1343           with many extensions.                  1341           with many extensions.
1344                                                  1342 
1345           It has an internal FPGA northbridge    1343           It has an internal FPGA northbridge, which is compatible to
1346           bonito64.                              1344           bonito64.
1347                                                  1345 
1348 config CPU_LOONGSON2F                            1346 config CPU_LOONGSON2F
1349         bool "Loongson 2F"                       1347         bool "Loongson 2F"
1350         depends on SYS_HAS_CPU_LOONGSON2F        1348         depends on SYS_HAS_CPU_LOONGSON2F
1351         select CPU_LOONGSON2EF                   1349         select CPU_LOONGSON2EF
1352         help                                     1350         help
1353           The Loongson 2F processor implement    1351           The Loongson 2F processor implements the MIPS III instruction set
1354           with many extensions.                  1352           with many extensions.
1355                                                  1353 
1356           Loongson2F have built-in DDR2 and P    1354           Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357           have a similar programming interfac    1355           have a similar programming interface with FPGA northbridge used in
1358           Loongson2E.                            1356           Loongson2E.
1359                                                  1357 
1360 config CPU_LOONGSON1B                            1358 config CPU_LOONGSON1B
1361         bool "Loongson 1B"                       1359         bool "Loongson 1B"
1362         depends on SYS_HAS_CPU_LOONGSON1B        1360         depends on SYS_HAS_CPU_LOONGSON1B
1363         select CPU_LOONGSON32                    1361         select CPU_LOONGSON32
1364         select LEDS_GPIO_REGISTER                1362         select LEDS_GPIO_REGISTER
1365         help                                     1363         help
1366           The Loongson 1B is a 32-bit SoC, wh    1364           The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367           Release 1 instruction set and part     1365           Release 1 instruction set and part of the MIPS32 Release 2
1368           instruction set.                       1366           instruction set.
1369                                                  1367 
1370 config CPU_LOONGSON1C                            1368 config CPU_LOONGSON1C
1371         bool "Loongson 1C"                       1369         bool "Loongson 1C"
1372         depends on SYS_HAS_CPU_LOONGSON1C        1370         depends on SYS_HAS_CPU_LOONGSON1C
1373         select CPU_LOONGSON32                    1371         select CPU_LOONGSON32
1374         select LEDS_GPIO_REGISTER                1372         select LEDS_GPIO_REGISTER
1375         help                                     1373         help
1376           The Loongson 1C is a 32-bit SoC, wh    1374           The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377           Release 1 instruction set and part     1375           Release 1 instruction set and part of the MIPS32 Release 2
1378           instruction set.                       1376           instruction set.
1379                                                  1377 
1380 config CPU_MIPS32_R1                             1378 config CPU_MIPS32_R1
1381         bool "MIPS32 Release 1"                  1379         bool "MIPS32 Release 1"
1382         depends on SYS_HAS_CPU_MIPS32_R1         1380         depends on SYS_HAS_CPU_MIPS32_R1
1383         select CPU_HAS_PREFETCH                  1381         select CPU_HAS_PREFETCH
1384         select CPU_SUPPORTS_32BIT_KERNEL         1382         select CPU_SUPPORTS_32BIT_KERNEL
1385         select CPU_SUPPORTS_HIGHMEM              1383         select CPU_SUPPORTS_HIGHMEM
1386         help                                     1384         help
1387           Choose this option to build a kerne    1385           Choose this option to build a kernel for release 1 or later of the
1388           MIPS32 architecture.  Most modern e    1386           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1389           MIPS processor are based on a MIPS3    1387           MIPS processor are based on a MIPS32 processor.  If you know the
1390           specific type of processor in your     1388           specific type of processor in your system, choose those that one
1391           otherwise CPU_MIPS32_R1 is a safe b    1389           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392           Release 2 of the MIPS32 architectur    1390           Release 2 of the MIPS32 architecture is available since several
1393           years so chances are you even have     1391           years so chances are you even have a MIPS32 Release 2 processor
1394           in which case you should choose CPU    1392           in which case you should choose CPU_MIPS32_R2 instead for better
1395           performance.                           1393           performance.
1396                                                  1394 
1397 config CPU_MIPS32_R2                             1395 config CPU_MIPS32_R2
1398         bool "MIPS32 Release 2"                  1396         bool "MIPS32 Release 2"
1399         depends on SYS_HAS_CPU_MIPS32_R2         1397         depends on SYS_HAS_CPU_MIPS32_R2
1400         select CPU_HAS_PREFETCH                  1398         select CPU_HAS_PREFETCH
1401         select CPU_SUPPORTS_32BIT_KERNEL         1399         select CPU_SUPPORTS_32BIT_KERNEL
1402         select CPU_SUPPORTS_HIGHMEM              1400         select CPU_SUPPORTS_HIGHMEM
1403         select CPU_SUPPORTS_MSA                  1401         select CPU_SUPPORTS_MSA
1404         help                                     1402         help
1405           Choose this option to build a kerne    1403           Choose this option to build a kernel for release 2 or later of the
1406           MIPS32 architecture.  Most modern e    1404           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1407           MIPS processor are based on a MIPS3    1405           MIPS processor are based on a MIPS32 processor.  If you know the
1408           specific type of processor in your     1406           specific type of processor in your system, choose those that one
1409           otherwise CPU_MIPS32_R1 is a safe b    1407           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410                                                  1408 
1411 config CPU_MIPS32_R5                             1409 config CPU_MIPS32_R5
1412         bool "MIPS32 Release 5"                  1410         bool "MIPS32 Release 5"
1413         depends on SYS_HAS_CPU_MIPS32_R5         1411         depends on SYS_HAS_CPU_MIPS32_R5
1414         select CPU_HAS_PREFETCH                  1412         select CPU_HAS_PREFETCH
1415         select CPU_SUPPORTS_32BIT_KERNEL         1413         select CPU_SUPPORTS_32BIT_KERNEL
1416         select CPU_SUPPORTS_HIGHMEM              1414         select CPU_SUPPORTS_HIGHMEM
1417         select CPU_SUPPORTS_MSA                  1415         select CPU_SUPPORTS_MSA
1418         select CPU_SUPPORTS_VZ                   1416         select CPU_SUPPORTS_VZ
1419         select MIPS_O32_FP64_SUPPORT             1417         select MIPS_O32_FP64_SUPPORT
1420         help                                     1418         help
1421           Choose this option to build a kerne    1419           Choose this option to build a kernel for release 5 or later of the
1422           MIPS32 architecture.  New MIPS proc    1420           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1423           family, are based on a MIPS32r5 pro    1421           family, are based on a MIPS32r5 processor. If you own an older
1424           processor, you probably need to sel    1422           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425                                                  1423 
1426 config CPU_MIPS32_R6                             1424 config CPU_MIPS32_R6
1427         bool "MIPS32 Release 6"                  1425         bool "MIPS32 Release 6"
1428         depends on SYS_HAS_CPU_MIPS32_R6         1426         depends on SYS_HAS_CPU_MIPS32_R6
1429         select CPU_HAS_PREFETCH                  1427         select CPU_HAS_PREFETCH
1430         select CPU_NO_LOAD_STORE_LR              1428         select CPU_NO_LOAD_STORE_LR
1431         select CPU_SUPPORTS_32BIT_KERNEL         1429         select CPU_SUPPORTS_32BIT_KERNEL
1432         select CPU_SUPPORTS_HIGHMEM              1430         select CPU_SUPPORTS_HIGHMEM
1433         select CPU_SUPPORTS_MSA                  1431         select CPU_SUPPORTS_MSA
1434         select CPU_SUPPORTS_VZ                   1432         select CPU_SUPPORTS_VZ
1435         select MIPS_O32_FP64_SUPPORT             1433         select MIPS_O32_FP64_SUPPORT
1436         help                                     1434         help
1437           Choose this option to build a kerne    1435           Choose this option to build a kernel for release 6 or later of the
1438           MIPS32 architecture.  New MIPS proc    1436           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1439           family, are based on a MIPS32r6 pro    1437           family, are based on a MIPS32r6 processor. If you own an older
1440           processor, you probably need to sel    1438           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441                                                  1439 
1442 config CPU_MIPS64_R1                             1440 config CPU_MIPS64_R1
1443         bool "MIPS64 Release 1"                  1441         bool "MIPS64 Release 1"
1444         depends on SYS_HAS_CPU_MIPS64_R1         1442         depends on SYS_HAS_CPU_MIPS64_R1
1445         select CPU_HAS_PREFETCH                  1443         select CPU_HAS_PREFETCH
1446         select CPU_SUPPORTS_32BIT_KERNEL         1444         select CPU_SUPPORTS_32BIT_KERNEL
1447         select CPU_SUPPORTS_64BIT_KERNEL         1445         select CPU_SUPPORTS_64BIT_KERNEL
1448         select CPU_SUPPORTS_HIGHMEM              1446         select CPU_SUPPORTS_HIGHMEM
1449         select CPU_SUPPORTS_HUGEPAGES            1447         select CPU_SUPPORTS_HUGEPAGES
1450         help                                     1448         help
1451           Choose this option to build a kerne    1449           Choose this option to build a kernel for release 1 or later of the
1452           MIPS64 architecture.  Many modern e    1450           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1453           MIPS processor are based on a MIPS6    1451           MIPS processor are based on a MIPS64 processor.  If you know the
1454           specific type of processor in your     1452           specific type of processor in your system, choose those that one
1455           otherwise CPU_MIPS64_R1 is a safe b    1453           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456           Release 2 of the MIPS64 architectur    1454           Release 2 of the MIPS64 architecture is available since several
1457           years so chances are you even have     1455           years so chances are you even have a MIPS64 Release 2 processor
1458           in which case you should choose CPU    1456           in which case you should choose CPU_MIPS64_R2 instead for better
1459           performance.                           1457           performance.
1460                                                  1458 
1461 config CPU_MIPS64_R2                             1459 config CPU_MIPS64_R2
1462         bool "MIPS64 Release 2"                  1460         bool "MIPS64 Release 2"
1463         depends on SYS_HAS_CPU_MIPS64_R2         1461         depends on SYS_HAS_CPU_MIPS64_R2
1464         select CPU_HAS_PREFETCH                  1462         select CPU_HAS_PREFETCH
1465         select CPU_SUPPORTS_32BIT_KERNEL         1463         select CPU_SUPPORTS_32BIT_KERNEL
1466         select CPU_SUPPORTS_64BIT_KERNEL         1464         select CPU_SUPPORTS_64BIT_KERNEL
1467         select CPU_SUPPORTS_HIGHMEM              1465         select CPU_SUPPORTS_HIGHMEM
1468         select CPU_SUPPORTS_HUGEPAGES            1466         select CPU_SUPPORTS_HUGEPAGES
1469         select CPU_SUPPORTS_MSA                  1467         select CPU_SUPPORTS_MSA
1470         help                                     1468         help
1471           Choose this option to build a kerne    1469           Choose this option to build a kernel for release 2 or later of the
1472           MIPS64 architecture.  Many modern e    1470           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1473           MIPS processor are based on a MIPS6    1471           MIPS processor are based on a MIPS64 processor.  If you know the
1474           specific type of processor in your     1472           specific type of processor in your system, choose those that one
1475           otherwise CPU_MIPS64_R1 is a safe b    1473           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476                                                  1474 
1477 config CPU_MIPS64_R5                             1475 config CPU_MIPS64_R5
1478         bool "MIPS64 Release 5"                  1476         bool "MIPS64 Release 5"
1479         depends on SYS_HAS_CPU_MIPS64_R5         1477         depends on SYS_HAS_CPU_MIPS64_R5
1480         select CPU_HAS_PREFETCH                  1478         select CPU_HAS_PREFETCH
1481         select CPU_SUPPORTS_32BIT_KERNEL         1479         select CPU_SUPPORTS_32BIT_KERNEL
1482         select CPU_SUPPORTS_64BIT_KERNEL         1480         select CPU_SUPPORTS_64BIT_KERNEL
1483         select CPU_SUPPORTS_HIGHMEM              1481         select CPU_SUPPORTS_HIGHMEM
1484         select CPU_SUPPORTS_HUGEPAGES            1482         select CPU_SUPPORTS_HUGEPAGES
1485         select CPU_SUPPORTS_MSA                  1483         select CPU_SUPPORTS_MSA
1486         select MIPS_O32_FP64_SUPPORT if 32BIT    1484         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487         select CPU_SUPPORTS_VZ                   1485         select CPU_SUPPORTS_VZ
1488         help                                     1486         help
1489           Choose this option to build a kerne    1487           Choose this option to build a kernel for release 5 or later of the
1490           MIPS64 architecture.  This is a int    1488           MIPS64 architecture.  This is a intermediate MIPS architecture
1491           release partly implementing release    1489           release partly implementing release 6 features. Though there is no
1492           any hardware known to be based on t    1490           any hardware known to be based on this release.
1493                                                  1491 
1494 config CPU_MIPS64_R6                             1492 config CPU_MIPS64_R6
1495         bool "MIPS64 Release 6"                  1493         bool "MIPS64 Release 6"
1496         depends on SYS_HAS_CPU_MIPS64_R6         1494         depends on SYS_HAS_CPU_MIPS64_R6
1497         select CPU_HAS_PREFETCH                  1495         select CPU_HAS_PREFETCH
1498         select CPU_NO_LOAD_STORE_LR              1496         select CPU_NO_LOAD_STORE_LR
1499         select CPU_SUPPORTS_32BIT_KERNEL         1497         select CPU_SUPPORTS_32BIT_KERNEL
1500         select CPU_SUPPORTS_64BIT_KERNEL         1498         select CPU_SUPPORTS_64BIT_KERNEL
1501         select CPU_SUPPORTS_HIGHMEM              1499         select CPU_SUPPORTS_HIGHMEM
1502         select CPU_SUPPORTS_HUGEPAGES            1500         select CPU_SUPPORTS_HUGEPAGES
1503         select CPU_SUPPORTS_MSA                  1501         select CPU_SUPPORTS_MSA
1504         select MIPS_O32_FP64_SUPPORT if 32BIT    1502         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505         select CPU_SUPPORTS_VZ                   1503         select CPU_SUPPORTS_VZ
1506         help                                     1504         help
1507           Choose this option to build a kerne    1505           Choose this option to build a kernel for release 6 or later of the
1508           MIPS64 architecture.  New MIPS proc    1506           MIPS64 architecture.  New MIPS processors, starting with the Warrior
1509           family, are based on a MIPS64r6 pro    1507           family, are based on a MIPS64r6 processor. If you own an older
1510           processor, you probably need to sel    1508           processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511                                                  1509 
1512 config CPU_P5600                                 1510 config CPU_P5600
1513         bool "MIPS Warrior P5600"                1511         bool "MIPS Warrior P5600"
1514         depends on SYS_HAS_CPU_P5600             1512         depends on SYS_HAS_CPU_P5600
1515         select CPU_HAS_PREFETCH                  1513         select CPU_HAS_PREFETCH
1516         select CPU_SUPPORTS_32BIT_KERNEL         1514         select CPU_SUPPORTS_32BIT_KERNEL
1517         select CPU_SUPPORTS_HIGHMEM              1515         select CPU_SUPPORTS_HIGHMEM
1518         select CPU_SUPPORTS_MSA                  1516         select CPU_SUPPORTS_MSA
1519         select CPU_SUPPORTS_CPUFREQ              1517         select CPU_SUPPORTS_CPUFREQ
1520         select CPU_SUPPORTS_VZ                   1518         select CPU_SUPPORTS_VZ
1521         select CPU_MIPSR2_IRQ_VI                 1519         select CPU_MIPSR2_IRQ_VI
1522         select CPU_MIPSR2_IRQ_EI                 1520         select CPU_MIPSR2_IRQ_EI
1523         select MIPS_O32_FP64_SUPPORT             1521         select MIPS_O32_FP64_SUPPORT
1524         help                                     1522         help
1525           Choose this option to build a kerne    1523           Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526           It's based on MIPS32r5 ISA with XPA    1524           It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527           MMU with two-levels TLB, UCA, MSA,     1525           MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528           level features like up to six P5600    1526           level features like up to six P5600 calculation cores, CM2 with L2
1529           cache, IOCU/IOMMU (though might be     1527           cache, IOCU/IOMMU (though might be unused depending on the system-
1530           specific IP core configuration), GI    1528           specific IP core configuration), GIC, CPC, virtualisation module,
1531           eJTAG and PDtrace.                     1529           eJTAG and PDtrace.
1532                                                  1530 
1533 config CPU_R3000                                 1531 config CPU_R3000
1534         bool "R3000"                             1532         bool "R3000"
1535         depends on SYS_HAS_CPU_R3000             1533         depends on SYS_HAS_CPU_R3000
1536         select CPU_HAS_WB                        1534         select CPU_HAS_WB
1537         select CPU_R3K_TLB                       1535         select CPU_R3K_TLB
1538         select CPU_SUPPORTS_32BIT_KERNEL         1536         select CPU_SUPPORTS_32BIT_KERNEL
1539         select CPU_SUPPORTS_HIGHMEM              1537         select CPU_SUPPORTS_HIGHMEM
1540         help                                     1538         help
1541           Please make sure to pick the right     1539           Please make sure to pick the right CPU type. Linux/MIPS is not
1542           designed to be generic, i.e. Kernel    1540           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543           *not* work on R4000 machines and vi    1541           *not* work on R4000 machines and vice versa.  However, since most
1544           of the supported machines have an R    1542           of the supported machines have an R4000 (or similar) CPU, R4x00
1545           might be a safe bet.  If the result    1543           might be a safe bet.  If the resulting kernel does not work,
1546           try to recompile with R3000.           1544           try to recompile with R3000.
1547                                                  1545 
1548 config CPU_R4300                                 1546 config CPU_R4300
1549         bool "R4300"                             1547         bool "R4300"
1550         depends on SYS_HAS_CPU_R4300             1548         depends on SYS_HAS_CPU_R4300
1551         select CPU_SUPPORTS_32BIT_KERNEL         1549         select CPU_SUPPORTS_32BIT_KERNEL
1552         select CPU_SUPPORTS_64BIT_KERNEL         1550         select CPU_SUPPORTS_64BIT_KERNEL
1553         help                                     1551         help
1554           MIPS Technologies R4300-series proc    1552           MIPS Technologies R4300-series processors.
1555                                                  1553 
1556 config CPU_R4X00                                 1554 config CPU_R4X00
1557         bool "R4x00"                             1555         bool "R4x00"
1558         depends on SYS_HAS_CPU_R4X00             1556         depends on SYS_HAS_CPU_R4X00
1559         select CPU_SUPPORTS_32BIT_KERNEL         1557         select CPU_SUPPORTS_32BIT_KERNEL
1560         select CPU_SUPPORTS_64BIT_KERNEL         1558         select CPU_SUPPORTS_64BIT_KERNEL
1561         select CPU_SUPPORTS_HUGEPAGES            1559         select CPU_SUPPORTS_HUGEPAGES
1562         help                                     1560         help
1563           MIPS Technologies R4000-series proc    1561           MIPS Technologies R4000-series processors other than 4300, including
1564           the R4000, R4400, R4600, and 4700.     1562           the R4000, R4400, R4600, and 4700.
1565                                                  1563 
1566 config CPU_TX49XX                                1564 config CPU_TX49XX
1567         bool "R49XX"                             1565         bool "R49XX"
1568         depends on SYS_HAS_CPU_TX49XX            1566         depends on SYS_HAS_CPU_TX49XX
1569         select CPU_HAS_PREFETCH                  1567         select CPU_HAS_PREFETCH
1570         select CPU_SUPPORTS_32BIT_KERNEL         1568         select CPU_SUPPORTS_32BIT_KERNEL
1571         select CPU_SUPPORTS_64BIT_KERNEL         1569         select CPU_SUPPORTS_64BIT_KERNEL
1572         select CPU_SUPPORTS_HUGEPAGES            1570         select CPU_SUPPORTS_HUGEPAGES
1573                                                  1571 
1574 config CPU_R5000                                 1572 config CPU_R5000
1575         bool "R5000"                             1573         bool "R5000"
1576         depends on SYS_HAS_CPU_R5000             1574         depends on SYS_HAS_CPU_R5000
1577         select CPU_SUPPORTS_32BIT_KERNEL         1575         select CPU_SUPPORTS_32BIT_KERNEL
1578         select CPU_SUPPORTS_64BIT_KERNEL         1576         select CPU_SUPPORTS_64BIT_KERNEL
1579         select CPU_SUPPORTS_HUGEPAGES            1577         select CPU_SUPPORTS_HUGEPAGES
1580         help                                     1578         help
1581           MIPS Technologies R5000-series proc    1579           MIPS Technologies R5000-series processors other than the Nevada.
1582                                                  1580 
1583 config CPU_R5500                                 1581 config CPU_R5500
1584         bool "R5500"                             1582         bool "R5500"
1585         depends on SYS_HAS_CPU_R5500             1583         depends on SYS_HAS_CPU_R5500
1586         select CPU_SUPPORTS_32BIT_KERNEL         1584         select CPU_SUPPORTS_32BIT_KERNEL
1587         select CPU_SUPPORTS_64BIT_KERNEL         1585         select CPU_SUPPORTS_64BIT_KERNEL
1588         select CPU_SUPPORTS_HUGEPAGES            1586         select CPU_SUPPORTS_HUGEPAGES
1589         help                                     1587         help
1590           NEC VR5500 and VR5500A series proce    1588           NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591           instruction set.                       1589           instruction set.
1592                                                  1590 
1593 config CPU_NEVADA                                1591 config CPU_NEVADA
1594         bool "RM52xx"                            1592         bool "RM52xx"
1595         depends on SYS_HAS_CPU_NEVADA            1593         depends on SYS_HAS_CPU_NEVADA
1596         select CPU_SUPPORTS_32BIT_KERNEL         1594         select CPU_SUPPORTS_32BIT_KERNEL
1597         select CPU_SUPPORTS_64BIT_KERNEL         1595         select CPU_SUPPORTS_64BIT_KERNEL
1598         select CPU_SUPPORTS_HUGEPAGES            1596         select CPU_SUPPORTS_HUGEPAGES
1599         help                                     1597         help
1600           QED / PMC-Sierra RM52xx-series ("Ne    1598           QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601                                                  1599 
1602 config CPU_R10000                                1600 config CPU_R10000
1603         bool "R10000"                            1601         bool "R10000"
1604         depends on SYS_HAS_CPU_R10000            1602         depends on SYS_HAS_CPU_R10000
1605         select CPU_HAS_PREFETCH                  1603         select CPU_HAS_PREFETCH
1606         select CPU_SUPPORTS_32BIT_KERNEL         1604         select CPU_SUPPORTS_32BIT_KERNEL
1607         select CPU_SUPPORTS_64BIT_KERNEL         1605         select CPU_SUPPORTS_64BIT_KERNEL
1608         select CPU_SUPPORTS_HIGHMEM              1606         select CPU_SUPPORTS_HIGHMEM
1609         select CPU_SUPPORTS_HUGEPAGES            1607         select CPU_SUPPORTS_HUGEPAGES
1610         help                                     1608         help
1611           MIPS Technologies R10000-series pro    1609           MIPS Technologies R10000-series processors.
1612                                                  1610 
1613 config CPU_RM7000                                1611 config CPU_RM7000
1614         bool "RM7000"                            1612         bool "RM7000"
1615         depends on SYS_HAS_CPU_RM7000            1613         depends on SYS_HAS_CPU_RM7000
1616         select CPU_HAS_PREFETCH                  1614         select CPU_HAS_PREFETCH
1617         select CPU_SUPPORTS_32BIT_KERNEL         1615         select CPU_SUPPORTS_32BIT_KERNEL
1618         select CPU_SUPPORTS_64BIT_KERNEL         1616         select CPU_SUPPORTS_64BIT_KERNEL
1619         select CPU_SUPPORTS_HIGHMEM              1617         select CPU_SUPPORTS_HIGHMEM
1620         select CPU_SUPPORTS_HUGEPAGES            1618         select CPU_SUPPORTS_HUGEPAGES
1621                                                  1619 
1622 config CPU_SB1                                   1620 config CPU_SB1
1623         bool "SB1"                               1621         bool "SB1"
1624         depends on SYS_HAS_CPU_SB1               1622         depends on SYS_HAS_CPU_SB1
1625         select CPU_SUPPORTS_32BIT_KERNEL         1623         select CPU_SUPPORTS_32BIT_KERNEL
1626         select CPU_SUPPORTS_64BIT_KERNEL         1624         select CPU_SUPPORTS_64BIT_KERNEL
1627         select CPU_SUPPORTS_HIGHMEM              1625         select CPU_SUPPORTS_HIGHMEM
1628         select CPU_SUPPORTS_HUGEPAGES            1626         select CPU_SUPPORTS_HUGEPAGES
1629         select WEAK_ORDERING                     1627         select WEAK_ORDERING
1630                                                  1628 
1631 config CPU_CAVIUM_OCTEON                         1629 config CPU_CAVIUM_OCTEON
1632         bool "Cavium Octeon processor"           1630         bool "Cavium Octeon processor"
1633         depends on SYS_HAS_CPU_CAVIUM_OCTEON     1631         depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634         select CPU_HAS_PREFETCH                  1632         select CPU_HAS_PREFETCH
1635         select CPU_SUPPORTS_64BIT_KERNEL         1633         select CPU_SUPPORTS_64BIT_KERNEL
1636         select HAVE_PAGE_SIZE_8KB if !MIPS_VA    1634         select HAVE_PAGE_SIZE_8KB if !MIPS_VA_BITS_48
1637         select HAVE_PAGE_SIZE_32KB if !MIPS_V    1635         select HAVE_PAGE_SIZE_32KB if !MIPS_VA_BITS_48
1638         select WEAK_ORDERING                     1636         select WEAK_ORDERING
1639         select CPU_SUPPORTS_HIGHMEM              1637         select CPU_SUPPORTS_HIGHMEM
1640         select CPU_SUPPORTS_HUGEPAGES            1638         select CPU_SUPPORTS_HUGEPAGES
1641         select USB_EHCI_BIG_ENDIAN_MMIO if CP    1639         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642         select USB_OHCI_BIG_ENDIAN_MMIO if CP    1640         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643         select MIPS_L1_CACHE_SHIFT_7             1641         select MIPS_L1_CACHE_SHIFT_7
1644         select CPU_SUPPORTS_VZ                   1642         select CPU_SUPPORTS_VZ
1645         help                                     1643         help
1646           The Cavium Octeon processor is a hi    1644           The Cavium Octeon processor is a highly integrated chip containing
1647           many ethernet hardware widgets for     1645           many ethernet hardware widgets for networking tasks. The processor
1648           can have up to 16 Mips64v2 cores an    1646           can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649           Full details can be found at http:/    1647           Full details can be found at http://www.caviumnetworks.com.
1650                                                  1648 
1651 config CPU_BMIPS                                 1649 config CPU_BMIPS
1652         bool "Broadcom BMIPS"                    1650         bool "Broadcom BMIPS"
1653         depends on SYS_HAS_CPU_BMIPS             1651         depends on SYS_HAS_CPU_BMIPS
1654         select CPU_MIPS32                        1652         select CPU_MIPS32
1655         select CPU_BMIPS32_3300 if SYS_HAS_CP    1653         select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656         select CPU_BMIPS4350 if SYS_HAS_CPU_B    1654         select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657         select CPU_BMIPS4380 if SYS_HAS_CPU_B    1655         select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658         select CPU_BMIPS5000 if SYS_HAS_CPU_B    1656         select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659         select CPU_SUPPORTS_32BIT_KERNEL         1657         select CPU_SUPPORTS_32BIT_KERNEL
1660         select DMA_NONCOHERENT                   1658         select DMA_NONCOHERENT
1661         select IRQ_MIPS_CPU                      1659         select IRQ_MIPS_CPU
1662         select SWAP_IO_SPACE                     1660         select SWAP_IO_SPACE
1663         select WEAK_ORDERING                     1661         select WEAK_ORDERING
1664         select CPU_SUPPORTS_HIGHMEM              1662         select CPU_SUPPORTS_HIGHMEM
1665         select CPU_HAS_PREFETCH                  1663         select CPU_HAS_PREFETCH
1666         select CPU_SUPPORTS_CPUFREQ              1664         select CPU_SUPPORTS_CPUFREQ
1667         select MIPS_EXTERNAL_TIMER               1665         select MIPS_EXTERNAL_TIMER
1668         select GENERIC_IRQ_MIGRATION if HOTPL    1666         select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
1669         help                                     1667         help
1670           Support for BMIPS32/3300/4350/4380     1668           Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671                                                  1669 
1672 endchoice                                        1670 endchoice
1673                                                  1671 
1674 config LOONGSON3_ENHANCEMENT                     1672 config LOONGSON3_ENHANCEMENT
1675         bool "New Loongson-3 CPU Enhancements    1673         bool "New Loongson-3 CPU Enhancements"
1676         default n                                1674         default n
1677         depends on CPU_LOONGSON64                1675         depends on CPU_LOONGSON64
1678         help                                     1676         help
1679           New Loongson-3 cores (since Loongso    1677           New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
1680           R1, Loongson-3B R1 and Loongson-3B     1678           R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
1681           FTLB, L1-VCache, EI/DI/Wait/Prefetc    1679           FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
1682           Local register, Read-Inhibit/Execut    1680           Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
1683           Fast TLB refill support, etc.          1681           Fast TLB refill support, etc.
1684                                                  1682 
1685           This option enable those enhancemen    1683           This option enable those enhancements which are not probed at run
1686           time. If you want a generic kernel     1684           time. If you want a generic kernel to run on all Loongson 3 machines,
1687           please say 'N' here. If you want a     1685           please say 'N' here. If you want a high-performance kernel to run on
1688           new Loongson-3 machines only, pleas    1686           new Loongson-3 machines only, please say 'Y' here.
1689                                                  1687 
1690 config CPU_LOONGSON3_WORKAROUNDS                 1688 config CPU_LOONGSON3_WORKAROUNDS
1691         bool "Loongson-3 LLSC Workarounds"       1689         bool "Loongson-3 LLSC Workarounds"
1692         default y if SMP                         1690         default y if SMP
1693         depends on CPU_LOONGSON64                1691         depends on CPU_LOONGSON64
1694         help                                     1692         help
1695           Loongson-3 processors have the llsc    1693           Loongson-3 processors have the llsc issues which require workarounds.
1696           Without workarounds the system may     1694           Without workarounds the system may hang unexpectedly.
1697                                                  1695 
1698           Say Y, unless you know what you are    1696           Say Y, unless you know what you are doing.
1699                                                  1697 
1700 config CPU_LOONGSON3_CPUCFG_EMULATION            1698 config CPU_LOONGSON3_CPUCFG_EMULATION
1701         bool "Emulate the CPUCFG instruction     1699         bool "Emulate the CPUCFG instruction on older Loongson cores"
1702         default y                                1700         default y
1703         depends on CPU_LOONGSON64                1701         depends on CPU_LOONGSON64
1704         help                                     1702         help
1705           Loongson-3A R4 and newer have the C    1703           Loongson-3A R4 and newer have the CPUCFG instruction available for
1706           userland to query CPU capabilities,    1704           userland to query CPU capabilities, much like CPUID on x86. This
1707           option provides emulation of the in    1705           option provides emulation of the instruction on older Loongson
1708           cores, back to Loongson-3A1000.        1706           cores, back to Loongson-3A1000.
1709                                                  1707 
1710           If unsure, please say Y.               1708           If unsure, please say Y.
1711                                                  1709 
1712 config CPU_MIPS32_3_5_FEATURES                   1710 config CPU_MIPS32_3_5_FEATURES
1713         bool "MIPS32 Release 3.5 Features"       1711         bool "MIPS32 Release 3.5 Features"
1714         depends on SYS_HAS_CPU_MIPS32_R3_5       1712         depends on SYS_HAS_CPU_MIPS32_R3_5
1715         depends on CPU_MIPS32_R2 || CPU_MIPS3    1713         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716                    CPU_P5600                     1714                    CPU_P5600
1717         help                                     1715         help
1718           Choose this option to build a kerne    1716           Choose this option to build a kernel for release 2 or later of the
1719           MIPS32 architecture including featu    1717           MIPS32 architecture including features from the 3.5 release such as
1720           support for Enhanced Virtual Addres    1718           support for Enhanced Virtual Addressing (EVA).
1721                                                  1719 
1722 config CPU_MIPS32_3_5_EVA                        1720 config CPU_MIPS32_3_5_EVA
1723         bool "Enhanced Virtual Addressing (EV    1721         bool "Enhanced Virtual Addressing (EVA)"
1724         depends on CPU_MIPS32_3_5_FEATURES       1722         depends on CPU_MIPS32_3_5_FEATURES
1725         select EVA                               1723         select EVA
1726         default y                                1724         default y
1727         help                                     1725         help
1728           Choose this option if you want to e    1726           Choose this option if you want to enable the Enhanced Virtual
1729           Addressing (EVA) on your MIPS32 cor    1727           Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730           One of its primary benefits is an i    1728           One of its primary benefits is an increase in the maximum size
1731           of lowmem (up to 3GB). If unsure, s    1729           of lowmem (up to 3GB). If unsure, say 'N' here.
1732                                                  1730 
1733 config CPU_MIPS32_R5_FEATURES                    1731 config CPU_MIPS32_R5_FEATURES
1734         bool "MIPS32 Release 5 Features"         1732         bool "MIPS32 Release 5 Features"
1735         depends on SYS_HAS_CPU_MIPS32_R5         1733         depends on SYS_HAS_CPU_MIPS32_R5
1736         depends on CPU_MIPS32_R2 || CPU_MIPS3    1734         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737         help                                     1735         help
1738           Choose this option to build a kerne    1736           Choose this option to build a kernel for release 2 or later of the
1739           MIPS32 architecture including featu    1737           MIPS32 architecture including features from release 5 such as
1740           support for Extended Physical Addre    1738           support for Extended Physical Addressing (XPA).
1741                                                  1739 
1742 config CPU_MIPS32_R5_XPA                         1740 config CPU_MIPS32_R5_XPA
1743         bool "Extended Physical Addressing (X    1741         bool "Extended Physical Addressing (XPA)"
1744         depends on CPU_MIPS32_R5_FEATURES        1742         depends on CPU_MIPS32_R5_FEATURES
1745         depends on !EVA                          1743         depends on !EVA
1746         depends on !PAGE_SIZE_4KB                1744         depends on !PAGE_SIZE_4KB
1747         depends on SYS_SUPPORTS_HIGHMEM          1745         depends on SYS_SUPPORTS_HIGHMEM
1748         select XPA                               1746         select XPA
1749         select HIGHMEM                           1747         select HIGHMEM
1750         select PHYS_ADDR_T_64BIT                 1748         select PHYS_ADDR_T_64BIT
1751         default n                                1749         default n
1752         help                                     1750         help
1753           Choose this option if you want to e    1751           Choose this option if you want to enable the Extended Physical
1754           Addressing (XPA) on your MIPS32 cor    1752           Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755           benefit is to increase physical add    1753           benefit is to increase physical addressing equal to or greater
1756           than 40 bits. Note that this has th    1754           than 40 bits. Note that this has the side effect of turning on
1757           64-bit addressing which in turn mak    1755           64-bit addressing which in turn makes the PTEs 64-bit in size.
1758           If unsure, say 'N' here.               1756           If unsure, say 'N' here.
1759                                                  1757 
1760 if CPU_LOONGSON2F                                1758 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS                       1759 config CPU_NOP_WORKAROUNDS
1762         bool                                     1760         bool
1763                                                  1761 
1764 config CPU_JUMP_WORKAROUNDS                      1762 config CPU_JUMP_WORKAROUNDS
1765         bool                                     1763         bool
1766                                                  1764 
1767 config CPU_LOONGSON2F_WORKAROUNDS                1765 config CPU_LOONGSON2F_WORKAROUNDS
1768         bool "Loongson 2F Workarounds"           1766         bool "Loongson 2F Workarounds"
1769         default y                                1767         default y
1770         select CPU_NOP_WORKAROUNDS               1768         select CPU_NOP_WORKAROUNDS
1771         select CPU_JUMP_WORKAROUNDS              1769         select CPU_JUMP_WORKAROUNDS
1772         help                                     1770         help
1773           Loongson 2F01 / 2F02 processors hav    1771           Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774           require workarounds.  Without worka    1772           require workarounds.  Without workarounds the system may hang
1775           unexpectedly.  For more information    1773           unexpectedly.  For more information please refer to the gas
1776           -mfix-loongson2f-nop and -mfix-loon    1774           -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777                                                  1775 
1778           Loongson 2F03 and later have fixed     1776           Loongson 2F03 and later have fixed these issues and no workarounds
1779           are needed.  The workarounds have n    1777           are needed.  The workarounds have no significant side effect on them
1780           but may decrease the performance of    1778           but may decrease the performance of the system so this option should
1781           be disabled unless the kernel is in    1779           be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782           systems.                               1780           systems.
1783                                                  1781 
1784           If unsure, please say Y.               1782           If unsure, please say Y.
1785 endif # CPU_LOONGSON2F                           1783 endif # CPU_LOONGSON2F
1786                                                  1784 
1787 config SYS_SUPPORTS_ZBOOT                        1785 config SYS_SUPPORTS_ZBOOT
1788         bool                                     1786         bool
1789         select HAVE_KERNEL_GZIP                  1787         select HAVE_KERNEL_GZIP
1790         select HAVE_KERNEL_BZIP2                 1788         select HAVE_KERNEL_BZIP2
1791         select HAVE_KERNEL_LZ4                   1789         select HAVE_KERNEL_LZ4
1792         select HAVE_KERNEL_LZMA                  1790         select HAVE_KERNEL_LZMA
1793         select HAVE_KERNEL_LZO                   1791         select HAVE_KERNEL_LZO
1794         select HAVE_KERNEL_XZ                    1792         select HAVE_KERNEL_XZ
1795         select HAVE_KERNEL_ZSTD                  1793         select HAVE_KERNEL_ZSTD
1796                                                  1794 
1797 config SYS_SUPPORTS_ZBOOT_UART16550              1795 config SYS_SUPPORTS_ZBOOT_UART16550
1798         bool                                     1796         bool
1799         select SYS_SUPPORTS_ZBOOT                1797         select SYS_SUPPORTS_ZBOOT
1800                                                  1798 
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM              1799 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802         bool                                     1800         bool
1803         select SYS_SUPPORTS_ZBOOT                1801         select SYS_SUPPORTS_ZBOOT
1804                                                  1802 
1805 config CPU_LOONGSON2EF                           1803 config CPU_LOONGSON2EF
1806         bool                                     1804         bool
1807         select CPU_SUPPORTS_32BIT_KERNEL         1805         select CPU_SUPPORTS_32BIT_KERNEL
1808         select CPU_SUPPORTS_64BIT_KERNEL         1806         select CPU_SUPPORTS_64BIT_KERNEL
1809         select CPU_SUPPORTS_HIGHMEM              1807         select CPU_SUPPORTS_HIGHMEM
1810         select CPU_SUPPORTS_HUGEPAGES            1808         select CPU_SUPPORTS_HUGEPAGES
1811                                                  1809 
1812 config CPU_LOONGSON32                            1810 config CPU_LOONGSON32
1813         bool                                     1811         bool
1814         select CPU_MIPS32                        1812         select CPU_MIPS32
1815         select CPU_MIPSR2                        1813         select CPU_MIPSR2
1816         select CPU_HAS_PREFETCH                  1814         select CPU_HAS_PREFETCH
1817         select CPU_SUPPORTS_32BIT_KERNEL         1815         select CPU_SUPPORTS_32BIT_KERNEL
1818         select CPU_SUPPORTS_HIGHMEM              1816         select CPU_SUPPORTS_HIGHMEM
1819         select CPU_SUPPORTS_CPUFREQ              1817         select CPU_SUPPORTS_CPUFREQ
1820                                                  1818 
1821 config CPU_BMIPS32_3300                          1819 config CPU_BMIPS32_3300
1822         select SMP_UP if SMP                     1820         select SMP_UP if SMP
1823         bool                                     1821         bool
1824                                                  1822 
1825 config CPU_BMIPS4350                             1823 config CPU_BMIPS4350
1826         bool                                     1824         bool
1827         select SYS_SUPPORTS_SMP                  1825         select SYS_SUPPORTS_SMP
1828         select SYS_SUPPORTS_HOTPLUG_CPU          1826         select SYS_SUPPORTS_HOTPLUG_CPU
1829                                                  1827 
1830 config CPU_BMIPS4380                             1828 config CPU_BMIPS4380
1831         bool                                     1829         bool
1832         select MIPS_L1_CACHE_SHIFT_6             1830         select MIPS_L1_CACHE_SHIFT_6
1833         select SYS_SUPPORTS_SMP                  1831         select SYS_SUPPORTS_SMP
1834         select SYS_SUPPORTS_HOTPLUG_CPU          1832         select SYS_SUPPORTS_HOTPLUG_CPU
1835         select CPU_HAS_RIXI                      1833         select CPU_HAS_RIXI
1836                                                  1834 
1837 config CPU_BMIPS5000                             1835 config CPU_BMIPS5000
1838         bool                                     1836         bool
1839         select MIPS_CPU_SCACHE                   1837         select MIPS_CPU_SCACHE
1840         select MIPS_L1_CACHE_SHIFT_7             1838         select MIPS_L1_CACHE_SHIFT_7
1841         select SYS_SUPPORTS_SMP                  1839         select SYS_SUPPORTS_SMP
1842         select SYS_SUPPORTS_HOTPLUG_CPU          1840         select SYS_SUPPORTS_HOTPLUG_CPU
1843         select CPU_HAS_RIXI                      1841         select CPU_HAS_RIXI
1844                                                  1842 
1845 config SYS_HAS_CPU_LOONGSON64                    1843 config SYS_HAS_CPU_LOONGSON64
1846         bool                                     1844         bool
1847         select CPU_SUPPORTS_CPUFREQ              1845         select CPU_SUPPORTS_CPUFREQ
1848         select CPU_HAS_RIXI                      1846         select CPU_HAS_RIXI
1849                                                  1847 
1850 config SYS_HAS_CPU_LOONGSON2E                    1848 config SYS_HAS_CPU_LOONGSON2E
1851         bool                                     1849         bool
1852                                                  1850 
1853 config SYS_HAS_CPU_LOONGSON2F                    1851 config SYS_HAS_CPU_LOONGSON2F
1854         bool                                     1852         bool
1855         select CPU_SUPPORTS_CPUFREQ              1853         select CPU_SUPPORTS_CPUFREQ
1856         select CPU_SUPPORTS_ADDRWINCFG if 64B    1854         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857                                                  1855 
1858 config SYS_HAS_CPU_LOONGSON1B                    1856 config SYS_HAS_CPU_LOONGSON1B
1859         bool                                     1857         bool
1860                                                  1858 
1861 config SYS_HAS_CPU_LOONGSON1C                    1859 config SYS_HAS_CPU_LOONGSON1C
1862         bool                                     1860         bool
1863                                                  1861 
1864 config SYS_HAS_CPU_MIPS32_R1                     1862 config SYS_HAS_CPU_MIPS32_R1
1865         bool                                     1863         bool
1866                                                  1864 
1867 config SYS_HAS_CPU_MIPS32_R2                     1865 config SYS_HAS_CPU_MIPS32_R2
1868         bool                                     1866         bool
1869                                                  1867 
1870 config SYS_HAS_CPU_MIPS32_R3_5                   1868 config SYS_HAS_CPU_MIPS32_R3_5
1871         bool                                     1869         bool
1872                                                  1870 
1873 config SYS_HAS_CPU_MIPS32_R5                     1871 config SYS_HAS_CPU_MIPS32_R5
1874         bool                                     1872         bool
1875                                                  1873 
1876 config SYS_HAS_CPU_MIPS32_R6                     1874 config SYS_HAS_CPU_MIPS32_R6
1877         bool                                     1875         bool
1878                                                  1876 
1879 config SYS_HAS_CPU_MIPS64_R1                     1877 config SYS_HAS_CPU_MIPS64_R1
1880         bool                                     1878         bool
1881                                                  1879 
1882 config SYS_HAS_CPU_MIPS64_R2                     1880 config SYS_HAS_CPU_MIPS64_R2
1883         bool                                     1881         bool
1884                                                  1882 
1885 config SYS_HAS_CPU_MIPS64_R5                     1883 config SYS_HAS_CPU_MIPS64_R5
1886         bool                                     1884         bool
1887                                                  1885 
1888 config SYS_HAS_CPU_MIPS64_R6                     1886 config SYS_HAS_CPU_MIPS64_R6
1889         bool                                     1887         bool
1890                                                  1888 
1891 config SYS_HAS_CPU_P5600                         1889 config SYS_HAS_CPU_P5600
1892         bool                                     1890         bool
1893                                                  1891 
1894 config SYS_HAS_CPU_R3000                         1892 config SYS_HAS_CPU_R3000
1895         bool                                     1893         bool
1896                                                  1894 
1897 config SYS_HAS_CPU_R4300                         1895 config SYS_HAS_CPU_R4300
1898         bool                                     1896         bool
1899                                                  1897 
1900 config SYS_HAS_CPU_R4X00                         1898 config SYS_HAS_CPU_R4X00
1901         bool                                     1899         bool
1902                                                  1900 
1903 config SYS_HAS_CPU_TX49XX                        1901 config SYS_HAS_CPU_TX49XX
1904         bool                                     1902         bool
1905                                                  1903 
1906 config SYS_HAS_CPU_R5000                         1904 config SYS_HAS_CPU_R5000
1907         bool                                     1905         bool
1908                                                  1906 
1909 config SYS_HAS_CPU_R5500                         1907 config SYS_HAS_CPU_R5500
1910         bool                                     1908         bool
1911                                                  1909 
1912 config SYS_HAS_CPU_NEVADA                        1910 config SYS_HAS_CPU_NEVADA
1913         bool                                     1911         bool
1914                                                  1912 
1915 config SYS_HAS_CPU_R10000                        1913 config SYS_HAS_CPU_R10000
1916         bool                                     1914         bool
1917                                                  1915 
1918 config SYS_HAS_CPU_RM7000                        1916 config SYS_HAS_CPU_RM7000
1919         bool                                     1917         bool
1920                                                  1918 
1921 config SYS_HAS_CPU_SB1                           1919 config SYS_HAS_CPU_SB1
1922         bool                                     1920         bool
1923                                                  1921 
1924 config SYS_HAS_CPU_CAVIUM_OCTEON                 1922 config SYS_HAS_CPU_CAVIUM_OCTEON
1925         bool                                     1923         bool
1926                                                  1924 
1927 config SYS_HAS_CPU_BMIPS                         1925 config SYS_HAS_CPU_BMIPS
1928         bool                                     1926         bool
1929                                                  1927 
1930 config SYS_HAS_CPU_BMIPS32_3300                  1928 config SYS_HAS_CPU_BMIPS32_3300
1931         bool                                     1929         bool
1932         select SYS_HAS_CPU_BMIPS                 1930         select SYS_HAS_CPU_BMIPS
1933                                                  1931 
1934 config SYS_HAS_CPU_BMIPS4350                     1932 config SYS_HAS_CPU_BMIPS4350
1935         bool                                     1933         bool
1936         select SYS_HAS_CPU_BMIPS                 1934         select SYS_HAS_CPU_BMIPS
1937                                                  1935 
1938 config SYS_HAS_CPU_BMIPS4380                     1936 config SYS_HAS_CPU_BMIPS4380
1939         bool                                     1937         bool
1940         select SYS_HAS_CPU_BMIPS                 1938         select SYS_HAS_CPU_BMIPS
1941                                                  1939 
1942 config SYS_HAS_CPU_BMIPS5000                     1940 config SYS_HAS_CPU_BMIPS5000
1943         bool                                     1941         bool
1944         select SYS_HAS_CPU_BMIPS                 1942         select SYS_HAS_CPU_BMIPS
1945                                                  1943 
1946 #                                                1944 #
1947 # CPU may reorder R->R, R->W, W->R, W->W         1945 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W    1946 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 #                                                1947 #
1950 config WEAK_ORDERING                             1948 config WEAK_ORDERING
1951         bool                                     1949         bool
1952                                                  1950 
1953 #                                                1951 #
1954 # CPU may reorder reads and writes beyond LL/    1952 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL,    1953 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 #                                                1954 #
1957 config WEAK_REORDERING_BEYOND_LLSC               1955 config WEAK_REORDERING_BEYOND_LLSC
1958         bool                                     1956         bool
1959 endmenu                                          1957 endmenu
1960                                                  1958 
1961 #                                                1959 #
1962 # These two indicate any level of the MIPS32     1960 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 #                                                1961 #
1964 config CPU_MIPS32                                1962 config CPU_MIPS32
1965         bool                                     1963         bool
1966         default y if CPU_MIPS32_R1 || CPU_MIP    1964         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967                      CPU_MIPS32_R6 || CPU_P56    1965                      CPU_MIPS32_R6 || CPU_P5600
1968                                                  1966 
1969 config CPU_MIPS64                                1967 config CPU_MIPS64
1970         bool                                     1968         bool
1971         default y if CPU_MIPS64_R1 || CPU_MIP    1969         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972                      CPU_MIPS64_R6 || CPU_LOO    1970                      CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
1973                                                  1971 
1974 #                                                1972 #
1975 # These indicate the revision of the architec    1973 # These indicate the revision of the architecture
1976 #                                                1974 #
1977 config CPU_MIPSR1                                1975 config CPU_MIPSR1
1978         bool                                     1976         bool
1979         default y if CPU_MIPS32_R1 || CPU_MIP    1977         default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980                                                  1978 
1981 config CPU_MIPSR2                                1979 config CPU_MIPSR2
1982         bool                                     1980         bool
1983         default y if CPU_MIPS32_R2 || CPU_MIP    1981         default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984         select CPU_HAS_RIXI                      1982         select CPU_HAS_RIXI
1985         select CPU_HAS_DIEI if !CPU_DIEI_BROK    1983         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986         select MIPS_SPRAM                        1984         select MIPS_SPRAM
1987                                                  1985 
1988 config CPU_MIPSR5                                1986 config CPU_MIPSR5
1989         bool                                     1987         bool
1990         default y if CPU_MIPS32_R5 || CPU_MIP    1988         default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991         select CPU_HAS_RIXI                      1989         select CPU_HAS_RIXI
1992         select CPU_HAS_DIEI if !CPU_DIEI_BROK    1990         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993         select MIPS_SPRAM                        1991         select MIPS_SPRAM
1994                                                  1992 
1995 config CPU_MIPSR6                                1993 config CPU_MIPSR6
1996         bool                                     1994         bool
1997         default y if CPU_MIPS32_R6 || CPU_MIP    1995         default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998         select CPU_HAS_RIXI                      1996         select CPU_HAS_RIXI
1999         select CPU_HAS_DIEI if !CPU_DIEI_BROK    1997         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000         select HAVE_ARCH_BITREVERSE              1998         select HAVE_ARCH_BITREVERSE
2001         select MIPS_ASID_BITS_VARIABLE           1999         select MIPS_ASID_BITS_VARIABLE
2002         select MIPS_CRC_SUPPORT                  2000         select MIPS_CRC_SUPPORT
2003         select MIPS_SPRAM                        2001         select MIPS_SPRAM
2004                                                  2002 
2005 config TARGET_ISA_REV                            2003 config TARGET_ISA_REV
2006         int                                      2004         int
2007         default 1 if CPU_MIPSR1                  2005         default 1 if CPU_MIPSR1
2008         default 2 if CPU_MIPSR2                  2006         default 2 if CPU_MIPSR2
2009         default 5 if CPU_MIPSR5                  2007         default 5 if CPU_MIPSR5
2010         default 6 if CPU_MIPSR6                  2008         default 6 if CPU_MIPSR6
2011         default 0                                2009         default 0
2012         help                                     2010         help
2013           Reflects the ISA revision being tar    2011           Reflects the ISA revision being targeted by the kernel build. This
2014           is effectively the Kconfig equivale    2012           is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015                                                  2013 
2016 config EVA                                       2014 config EVA
2017         bool                                     2015         bool
2018                                                  2016 
2019 config XPA                                       2017 config XPA
2020         bool                                     2018         bool
2021                                                  2019 
2022 config SYS_SUPPORTS_32BIT_KERNEL                 2020 config SYS_SUPPORTS_32BIT_KERNEL
2023         bool                                     2021         bool
2024 config SYS_SUPPORTS_64BIT_KERNEL                 2022 config SYS_SUPPORTS_64BIT_KERNEL
2025         bool                                     2023         bool
2026 config CPU_SUPPORTS_32BIT_KERNEL                 2024 config CPU_SUPPORTS_32BIT_KERNEL
2027         bool                                     2025         bool
2028 config CPU_SUPPORTS_64BIT_KERNEL                 2026 config CPU_SUPPORTS_64BIT_KERNEL
2029         bool                                     2027         bool
2030 config CPU_SUPPORTS_CPUFREQ                      2028 config CPU_SUPPORTS_CPUFREQ
2031         bool                                     2029         bool
2032 config CPU_SUPPORTS_ADDRWINCFG                   2030 config CPU_SUPPORTS_ADDRWINCFG
2033         bool                                     2031         bool
2034 config CPU_SUPPORTS_HUGEPAGES                    2032 config CPU_SUPPORTS_HUGEPAGES
2035         bool                                     2033         bool
2036         depends on !(32BIT && (PHYS_ADDR_T_64    2034         depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ                           2035 config CPU_SUPPORTS_VZ
2038         bool                                     2036         bool
2039 config MIPS_PGD_C0_CONTEXT                       2037 config MIPS_PGD_C0_CONTEXT
2040         bool                                     2038         bool
2041         depends on 64BIT                         2039         depends on 64BIT
2042         default y if (CPU_MIPSR2 || CPU_MIPSR    2040         default y if (CPU_MIPSR2 || CPU_MIPSR6)
2043                                                  2041 
2044 #                                                2042 #
2045 # Set to y for ptrace access to watch registe    2043 # Set to y for ptrace access to watch registers.
2046 #                                                2044 #
2047 config HARDWARE_WATCHPOINTS                      2045 config HARDWARE_WATCHPOINTS
2048         bool                                     2046         bool
2049         default y if CPU_MIPSR1 || CPU_MIPSR2    2047         default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050                                                  2048 
2051 menu "Kernel type"                               2049 menu "Kernel type"
2052                                                  2050 
2053 choice                                           2051 choice
2054         prompt "Kernel code model"               2052         prompt "Kernel code model"
2055         help                                     2053         help
2056           You should only select this option     2054           You should only select this option if you have a workload that
2057           actually benefits from 64-bit proce    2055           actually benefits from 64-bit processing or if your machine has
2058           large memory.  You will only be pre    2056           large memory.  You will only be presented a single option in this
2059           menu if your system does not suppor    2057           menu if your system does not support both 32-bit and 64-bit kernels.
2060                                                  2058 
2061 config 32BIT                                     2059 config 32BIT
2062         bool "32-bit kernel"                     2060         bool "32-bit kernel"
2063         depends on CPU_SUPPORTS_32BIT_KERNEL     2061         depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064         select TRAD_SIGNALS                      2062         select TRAD_SIGNALS
2065         help                                     2063         help
2066           Select this option if you want to b    2064           Select this option if you want to build a 32-bit kernel.
2067                                                  2065 
2068 config 64BIT                                     2066 config 64BIT
2069         bool "64-bit kernel"                     2067         bool "64-bit kernel"
2070         depends on CPU_SUPPORTS_64BIT_KERNEL     2068         depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071         help                                     2069         help
2072           Select this option if you want to b    2070           Select this option if you want to build a 64-bit kernel.
2073                                                  2071 
2074 endchoice                                        2072 endchoice
2075                                                  2073 
2076 config MIPS_VA_BITS_48                           2074 config MIPS_VA_BITS_48
2077         bool "48 bits virtual memory"            2075         bool "48 bits virtual memory"
2078         depends on 64BIT                         2076         depends on 64BIT
2079         help                                     2077         help
2080           Support a maximum at least 48 bits     2078           Support a maximum at least 48 bits of application virtual
2081           memory.  Default is 40 bits or less    2079           memory.  Default is 40 bits or less, depending on the CPU.
2082           For page sizes 16k and above, this     2080           For page sizes 16k and above, this option results in a small
2083           memory overhead for page tables.  F    2081           memory overhead for page tables.  For 4k page size, a fourth
2084           level of page tables is added which    2082           level of page tables is added which imposes both a memory
2085           overhead as well as slower TLB faul    2083           overhead as well as slower TLB fault handling.
2086                                                  2084 
2087           If unsure, say N.                      2085           If unsure, say N.
2088                                                  2086 
2089 config ZBOOT_LOAD_ADDRESS                        2087 config ZBOOT_LOAD_ADDRESS
2090         hex "Compressed kernel load address"     2088         hex "Compressed kernel load address"
2091         default 0xffffffff80400000 if BCM47XX    2089         default 0xffffffff80400000 if BCM47XX
2092         default 0x0                              2090         default 0x0
2093         depends on SYS_SUPPORTS_ZBOOT            2091         depends on SYS_SUPPORTS_ZBOOT
2094         help                                     2092         help
2095           The address to load compressed kern    2093           The address to load compressed kernel, aka vmlinuz.
2096                                                  2094 
2097           This is only used if non-zero.         2095           This is only used if non-zero.
2098                                                  2096 
2099 config ARCH_FORCE_MAX_ORDER                      2097 config ARCH_FORCE_MAX_ORDER
2100         int "Maximum zone order"                 2098         int "Maximum zone order"
2101         default "13" if MIPS_HUGE_TLB_SUPPORT    2099         default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102         default "12" if MIPS_HUGE_TLB_SUPPORT    2100         default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2103         default "11" if MIPS_HUGE_TLB_SUPPORT    2101         default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
2104         default "10"                             2102         default "10"
2105         help                                     2103         help
2106           The kernel memory allocator divides    2104           The kernel memory allocator divides physically contiguous memory
2107           blocks into "zones", where each zon    2105           blocks into "zones", where each zone is a power of two number of
2108           pages.  This option selects the lar    2106           pages.  This option selects the largest power of two that the kernel
2109           keeps in the memory allocator.  If     2107           keeps in the memory allocator.  If you need to allocate very large
2110           blocks of physically contiguous mem    2108           blocks of physically contiguous memory, then you may need to
2111           increase this value.                   2109           increase this value.
2112                                                  2110 
2113           The page size is not necessarily 4K    2111           The page size is not necessarily 4KB.  Keep this in mind
2114           when choosing a value for this opti    2112           when choosing a value for this option.
2115                                                  2113 
2116 config BOARD_SCACHE                              2114 config BOARD_SCACHE
2117         bool                                     2115         bool
2118                                                  2116 
2119 config IP22_CPU_SCACHE                           2117 config IP22_CPU_SCACHE
2120         bool                                     2118         bool
2121         select BOARD_SCACHE                      2119         select BOARD_SCACHE
2122                                                  2120 
2123 #                                                2121 #
2124 # Support for a MIPS32 / MIPS64 style S-cache    2122 # Support for a MIPS32 / MIPS64 style S-caches
2125 #                                                2123 #
2126 config MIPS_CPU_SCACHE                           2124 config MIPS_CPU_SCACHE
2127         bool                                     2125         bool
2128         select BOARD_SCACHE                      2126         select BOARD_SCACHE
2129                                                  2127 
2130 config R5000_CPU_SCACHE                          2128 config R5000_CPU_SCACHE
2131         bool                                     2129         bool
2132         select BOARD_SCACHE                      2130         select BOARD_SCACHE
2133                                                  2131 
2134 config RM7000_CPU_SCACHE                         2132 config RM7000_CPU_SCACHE
2135         bool                                     2133         bool
2136         select BOARD_SCACHE                      2134         select BOARD_SCACHE
2137                                                  2135 
2138 config SIBYTE_DMA_PAGEOPS                        2136 config SIBYTE_DMA_PAGEOPS
2139         bool "Use DMA to clear/copy pages"       2137         bool "Use DMA to clear/copy pages"
2140         depends on CPU_SB1                       2138         depends on CPU_SB1
2141         help                                     2139         help
2142           Instead of using the CPU to zero an    2140           Instead of using the CPU to zero and copy pages, use a Data Mover
2143           channel.  These DMA channels are ot    2141           channel.  These DMA channels are otherwise unused by the standard
2144           SiByte Linux port.  Seems to give a    2142           SiByte Linux port.  Seems to give a small performance benefit.
2145                                                  2143 
2146 config CPU_HAS_PREFETCH                          2144 config CPU_HAS_PREFETCH
2147         bool                                     2145         bool
2148                                                  2146 
2149 config CPU_GENERIC_DUMP_TLB                      2147 config CPU_GENERIC_DUMP_TLB
2150         bool                                     2148         bool
2151         default y if !CPU_R3000                  2149         default y if !CPU_R3000
2152                                                  2150 
2153 config MIPS_FP_SUPPORT                           2151 config MIPS_FP_SUPPORT
2154         bool "Floating Point support" if EXPE    2152         bool "Floating Point support" if EXPERT
2155         default y                                2153         default y
2156         help                                     2154         help
2157           Select y to include support for flo    2155           Select y to include support for floating point in the kernel
2158           including initialization of FPU har    2156           including initialization of FPU hardware, FP context save & restore
2159           and emulation of an FPU where neces    2157           and emulation of an FPU where necessary. Without this support any
2160           userland program attempting to use     2158           userland program attempting to use floating point instructions will
2161           receive a SIGILL.                      2159           receive a SIGILL.
2162                                                  2160 
2163           If you know that your userland will    2161           If you know that your userland will not attempt to use floating point
2164           instructions then you can say n her    2162           instructions then you can say n here to shrink the kernel a little.
2165                                                  2163 
2166           If unsure, say y.                      2164           If unsure, say y.
2167                                                  2165 
2168 config CPU_R2300_FPU                             2166 config CPU_R2300_FPU
2169         bool                                     2167         bool
2170         depends on MIPS_FP_SUPPORT               2168         depends on MIPS_FP_SUPPORT
2171         default y if CPU_R3000                   2169         default y if CPU_R3000
2172                                                  2170 
2173 config CPU_R3K_TLB                               2171 config CPU_R3K_TLB
2174         bool                                     2172         bool
2175                                                  2173 
2176 config CPU_R4K_FPU                               2174 config CPU_R4K_FPU
2177         bool                                     2175         bool
2178         depends on MIPS_FP_SUPPORT               2176         depends on MIPS_FP_SUPPORT
2179         default y if !CPU_R2300_FPU              2177         default y if !CPU_R2300_FPU
2180                                                  2178 
2181 config CPU_R4K_CACHE_TLB                         2179 config CPU_R4K_CACHE_TLB
2182         bool                                     2180         bool
2183         default y if !(CPU_R3K_TLB || CPU_SB1    2181         default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184                                                  2182 
2185 config MIPS_MT_SMP                               2183 config MIPS_MT_SMP
2186         bool "MIPS MT SMP support (1 TC on ea    2184         bool "MIPS MT SMP support (1 TC on each available VPE)"
2187         default y                                2185         default y
2188         depends on TARGET_ISA_REV > 0 && TARG    2186         depends on TARGET_ISA_REV > 0 && TARGET_ISA_REV < 6
2189         depends on SYS_SUPPORTS_MULTITHREADIN    2187         depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MICROMIPS
2190         select CPU_MIPSR2_IRQ_VI                 2188         select CPU_MIPSR2_IRQ_VI
2191         select CPU_MIPSR2_IRQ_EI                 2189         select CPU_MIPSR2_IRQ_EI
2192         select SYNC_R4K                          2190         select SYNC_R4K
2193         select MIPS_MT                           2191         select MIPS_MT
2194         select SMP                               2192         select SMP
2195         select SMP_UP                            2193         select SMP_UP
2196         select SYS_SUPPORTS_SMP                  2194         select SYS_SUPPORTS_SMP
2197         select SYS_SUPPORTS_SCHED_SMT            2195         select SYS_SUPPORTS_SCHED_SMT
2198         select MIPS_PERF_SHARED_TC_COUNTERS      2196         select MIPS_PERF_SHARED_TC_COUNTERS
2199         help                                     2197         help
2200           This is a kernel model which is kno    2198           This is a kernel model which is known as SMVP. This is supported
2201           on cores with the MT ASE and uses t    2199           on cores with the MT ASE and uses the available VPEs to implement
2202           virtual processors which supports S    2200           virtual processors which supports SMP. This is equivalent to the
2203           Intel Hyperthreading feature. For f    2201           Intel Hyperthreading feature. For further information go to
2204           <http://www.imgtec.com/mips/mips-mu    2202           <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205                                                  2203 
2206 config MIPS_MT                                   2204 config MIPS_MT
2207         bool                                     2205         bool
2208                                                  2206 
2209 config SCHED_SMT                                 2207 config SCHED_SMT
2210         bool "SMT (multithreading) scheduler     2208         bool "SMT (multithreading) scheduler support"
2211         depends on SYS_SUPPORTS_SCHED_SMT        2209         depends on SYS_SUPPORTS_SCHED_SMT
2212         default n                                2210         default n
2213         help                                     2211         help
2214           SMT scheduler support improves the     2212           SMT scheduler support improves the CPU scheduler's decision making
2215           when dealing with MIPS MT enabled c    2213           when dealing with MIPS MT enabled cores at a cost of slightly
2216           increased overhead in some places.     2214           increased overhead in some places. If unsure say N here.
2217                                                  2215 
2218 config SYS_SUPPORTS_SCHED_SMT                    2216 config SYS_SUPPORTS_SCHED_SMT
2219         bool                                     2217         bool
2220                                                  2218 
2221 config SYS_SUPPORTS_MULTITHREADING               2219 config SYS_SUPPORTS_MULTITHREADING
2222         bool                                     2220         bool
2223                                                  2221 
2224 config MIPS_MT_FPAFF                             2222 config MIPS_MT_FPAFF
2225         bool "Dynamic FPU affinity for FP-int    2223         bool "Dynamic FPU affinity for FP-intensive threads"
2226         default y                                2224         default y
2227         depends on MIPS_MT_SMP                   2225         depends on MIPS_MT_SMP
2228                                                  2226 
2229 config MIPSR2_TO_R6_EMULATOR                     2227 config MIPSR2_TO_R6_EMULATOR
2230         bool "MIPS R2-to-R6 emulator"            2228         bool "MIPS R2-to-R6 emulator"
2231         depends on CPU_MIPSR6                    2229         depends on CPU_MIPSR6
2232         depends on MIPS_FP_SUPPORT               2230         depends on MIPS_FP_SUPPORT
2233         default y                                2231         default y
2234         help                                     2232         help
2235           Choose this option if you want to r    2233           Choose this option if you want to run non-R6 MIPS userland code.
2236           Even if you say 'Y' here, the emula    2234           Even if you say 'Y' here, the emulator will still be disabled by
2237           default. You can enable it using th    2235           default. You can enable it using the 'mipsr2emu' kernel option.
2238           The only reason this is a build-tim    2236           The only reason this is a build-time option is to save ~14K from the
2239           final kernel image.                    2237           final kernel image.
2240                                                  2238 
2241 config SYS_SUPPORTS_VPE_LOADER                   2239 config SYS_SUPPORTS_VPE_LOADER
2242         bool                                     2240         bool
2243         depends on SYS_SUPPORTS_MULTITHREADIN    2241         depends on SYS_SUPPORTS_MULTITHREADING
2244         help                                     2242         help
2245           Indicates that the platform support    2243           Indicates that the platform supports the VPE loader, and provides
2246           physical_memsize.                      2244           physical_memsize.
2247                                                  2245 
2248 config MIPS_VPE_LOADER                           2246 config MIPS_VPE_LOADER
2249         bool "VPE loader support."               2247         bool "VPE loader support."
2250         depends on SYS_SUPPORTS_VPE_LOADER &&    2248         depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251         select CPU_MIPSR2_IRQ_VI                 2249         select CPU_MIPSR2_IRQ_VI
2252         select CPU_MIPSR2_IRQ_EI                 2250         select CPU_MIPSR2_IRQ_EI
2253         select MIPS_MT                           2251         select MIPS_MT
2254         help                                     2252         help
2255           Includes a loader for loading an el    2253           Includes a loader for loading an elf relocatable object
2256           onto another VPE and running it.       2254           onto another VPE and running it.
2257                                                  2255 
2258 config MIPS_VPE_LOADER_MT                        2256 config MIPS_VPE_LOADER_MT
2259         bool                                     2257         bool
2260         default "y"                              2258         default "y"
2261         depends on MIPS_VPE_LOADER               2259         depends on MIPS_VPE_LOADER
2262                                                  2260 
2263 config MIPS_VPE_LOADER_TOM                       2261 config MIPS_VPE_LOADER_TOM
2264         bool "Load VPE program into memory hi    2262         bool "Load VPE program into memory hidden from linux"
2265         depends on MIPS_VPE_LOADER               2263         depends on MIPS_VPE_LOADER
2266         default y                                2264         default y
2267         help                                     2265         help
2268           The loader can use memory that is p    2266           The loader can use memory that is present but has been hidden from
2269           Linux using the kernel command line    2267           Linux using the kernel command line option "mem=xxMB". It's up to
2270           you to ensure the amount you put in    2268           you to ensure the amount you put in the option and the space your
2271           program requires is less or equal t    2269           program requires is less or equal to the amount physically present.
2272                                                  2270 
2273 config MIPS_VPE_APSP_API                         2271 config MIPS_VPE_APSP_API
2274         bool "Enable support for AP/SP API (R    2272         bool "Enable support for AP/SP API (RTLX)"
2275         depends on MIPS_VPE_LOADER               2273         depends on MIPS_VPE_LOADER
2276                                                  2274 
2277 config MIPS_VPE_APSP_API_MT                      2275 config MIPS_VPE_APSP_API_MT
2278         bool                                     2276         bool
2279         default "y"                              2277         default "y"
2280         depends on MIPS_VPE_APSP_API             2278         depends on MIPS_VPE_APSP_API
2281                                                  2279 
2282 config MIPS_CPS                                  2280 config MIPS_CPS
2283         bool "MIPS Coherent Processing System    2281         bool "MIPS Coherent Processing System support"
2284         depends on SYS_SUPPORTS_MIPS_CPS         2282         depends on SYS_SUPPORTS_MIPS_CPS
2285         select MIPS_CM                           2283         select MIPS_CM
2286         select MIPS_CPS_PM if HOTPLUG_CPU        2284         select MIPS_CPS_PM if HOTPLUG_CPU
2287         select SMP                               2285         select SMP
2288         select HOTPLUG_CORE_SYNC_DEAD if HOTP    2286         select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
2289         select SYNC_R4K if (CEVT_R4K || CSRC_    2287         select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290         select SYS_SUPPORTS_HOTPLUG_CPU          2288         select SYS_SUPPORTS_HOTPLUG_CPU
2291         select SYS_SUPPORTS_SCHED_SMT if CPU_    2289         select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292         select SYS_SUPPORTS_SMP                  2290         select SYS_SUPPORTS_SMP
2293         select WEAK_ORDERING                     2291         select WEAK_ORDERING
2294         select GENERIC_IRQ_MIGRATION if HOTPL    2292         select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
2295         help                                     2293         help
2296           Select this if you wish to run an S    2294           Select this if you wish to run an SMP kernel across multiple cores
2297           within a MIPS Coherent Processing S    2295           within a MIPS Coherent Processing System. When this option is
2298           enabled the kernel will probe for o    2296           enabled the kernel will probe for other cores and boot them with
2299           no external assistance. It is safe     2297           no external assistance. It is safe to enable this when hardware
2300           support is unavailable.                2298           support is unavailable.
2301                                                  2299 
2302 config MIPS_CPS_PM                               2300 config MIPS_CPS_PM
2303         depends on MIPS_CPS                      2301         depends on MIPS_CPS
2304         bool                                     2302         bool
2305                                                  2303 
2306 config MIPS_CM                                   2304 config MIPS_CM
2307         bool                                     2305         bool
2308         select MIPS_CPC                          2306         select MIPS_CPC
2309                                                  2307 
2310 config MIPS_CPC                                  2308 config MIPS_CPC
2311         bool                                     2309         bool
2312                                                  2310 
2313 config SB1_PASS_2_WORKAROUNDS                    2311 config SB1_PASS_2_WORKAROUNDS
2314         bool                                     2312         bool
2315         depends on CPU_SB1 && (CPU_SB1_PASS_2    2313         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316         default y                                2314         default y
2317                                                  2315 
2318 config SB1_PASS_2_1_WORKAROUNDS                  2316 config SB1_PASS_2_1_WORKAROUNDS
2319         bool                                     2317         bool
2320         depends on CPU_SB1 && CPU_SB1_PASS_2     2318         depends on CPU_SB1 && CPU_SB1_PASS_2
2321         default y                                2319         default y
2322                                                  2320 
2323 choice                                           2321 choice
2324         prompt "SmartMIPS or microMIPS ASE su    2322         prompt "SmartMIPS or microMIPS ASE support"
2325                                                  2323 
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS       2324 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327         bool "None"                              2325         bool "None"
2328         help                                     2326         help
2329           Select this if you want neither mic    2327           Select this if you want neither microMIPS nor SmartMIPS support
2330                                                  2328 
2331 config CPU_HAS_SMARTMIPS                         2329 config CPU_HAS_SMARTMIPS
2332         depends on SYS_SUPPORTS_SMARTMIPS        2330         depends on SYS_SUPPORTS_SMARTMIPS
2333         bool "SmartMIPS"                         2331         bool "SmartMIPS"
2334         help                                     2332         help
2335           SmartMIPS is a extension of the MIP    2333           SmartMIPS is a extension of the MIPS32 architecture aimed at
2336           increased security at both hardware    2334           increased security at both hardware and software level for
2337           smartcards.  Enabling this option w    2335           smartcards.  Enabling this option will allow proper use of the
2338           SmartMIPS instructions by Linux app    2336           SmartMIPS instructions by Linux applications.  However a kernel with
2339           this option will not work on a MIPS    2337           this option will not work on a MIPS core without SmartMIPS core.  If
2340           you don't know you probably don't h    2338           you don't know you probably don't have SmartMIPS and should say N
2341           here.                                  2339           here.
2342                                                  2340 
2343 config CPU_MICROMIPS                             2341 config CPU_MICROMIPS
2344         depends on 32BIT && SYS_SUPPORTS_MICR    2342         depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345         bool "microMIPS"                         2343         bool "microMIPS"
2346         help                                     2344         help
2347           When this option is enabled the ker    2345           When this option is enabled the kernel will be built using the
2348           microMIPS ISA                          2346           microMIPS ISA
2349                                                  2347 
2350 endchoice                                        2348 endchoice
2351                                                  2349 
2352 config CPU_HAS_MSA                               2350 config CPU_HAS_MSA
2353         bool "Support for the MIPS SIMD Archi    2351         bool "Support for the MIPS SIMD Architecture"
2354         depends on CPU_SUPPORTS_MSA              2352         depends on CPU_SUPPORTS_MSA
2355         depends on MIPS_FP_SUPPORT               2353         depends on MIPS_FP_SUPPORT
2356         depends on 64BIT || MIPS_O32_FP64_SUP    2354         depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357         help                                     2355         help
2358           MIPS SIMD Architecture (MSA) introd    2356           MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359           and a set of SIMD instructions to o    2357           and a set of SIMD instructions to operate on them. When this option
2360           is enabled the kernel will support     2358           is enabled the kernel will support allocating & switching MSA
2361           vector register contexts. If you kn    2359           vector register contexts. If you know that your kernel will only be
2362           running on CPUs which do not suppor    2360           running on CPUs which do not support MSA or that your userland will
2363           not be making use of it then you ma    2361           not be making use of it then you may wish to say N here to reduce
2364           the size & complexity of your kerne    2362           the size & complexity of your kernel.
2365                                                  2363 
2366           If unsure, say Y.                      2364           If unsure, say Y.
2367                                                  2365 
2368 config CPU_HAS_WB                                2366 config CPU_HAS_WB
2369         bool                                     2367         bool
2370                                                  2368 
2371 config XKS01                                     2369 config XKS01
2372         bool                                     2370         bool
2373                                                  2371 
2374 config CPU_HAS_DIEI                              2372 config CPU_HAS_DIEI
2375         depends on !CPU_DIEI_BROKEN              2373         depends on !CPU_DIEI_BROKEN
2376         bool                                     2374         bool
2377                                                  2375 
2378 config CPU_DIEI_BROKEN                           2376 config CPU_DIEI_BROKEN
2379         bool                                     2377         bool
2380                                                  2378 
2381 config CPU_HAS_RIXI                              2379 config CPU_HAS_RIXI
2382         bool                                     2380         bool
2383                                                  2381 
2384 config CPU_NO_LOAD_STORE_LR                      2382 config CPU_NO_LOAD_STORE_LR
2385         bool                                     2383         bool
2386         help                                     2384         help
2387           CPU lacks support for unaligned loa    2385           CPU lacks support for unaligned load and store instructions:
2388           LWL, LWR, SWL, SWR (Load/store word    2386           LWL, LWR, SWL, SWR (Load/store word left/right).
2389           LDL, LDR, SDL, SDR (Load/store doub    2387           LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390           systems).                              2388           systems).
2391                                                  2389 
2392 #                                                2390 #
2393 # Vectored interrupt mode is an R2 feature       2391 # Vectored interrupt mode is an R2 feature
2394 #                                                2392 #
2395 config CPU_MIPSR2_IRQ_VI                         2393 config CPU_MIPSR2_IRQ_VI
2396         bool                                     2394         bool
2397                                                  2395 
2398 #                                                2396 #
2399 # Extended interrupt mode is an R2 feature       2397 # Extended interrupt mode is an R2 feature
2400 #                                                2398 #
2401 config CPU_MIPSR2_IRQ_EI                         2399 config CPU_MIPSR2_IRQ_EI
2402         bool                                     2400         bool
2403                                                  2401 
2404 config CPU_HAS_SYNC                              2402 config CPU_HAS_SYNC
2405         bool                                     2403         bool
2406         depends on !CPU_R3000                    2404         depends on !CPU_R3000
2407         default y                                2405         default y
2408                                                  2406 
2409 #                                                2407 #
2410 # CPU non-features                               2408 # CPU non-features
2411 #                                                2409 #
2412                                                  2410 
2413 # Work around the "daddi" and "daddiu" CPU er    2411 # Work around the "daddi" and "daddiu" CPU errata:
2414 #                                                2412 #
2415 # - The `daddi' instruction fails to trap on     2413 # - The `daddi' instruction fails to trap on overflow.
2416 #   "MIPS R4000PC/SC Errata, Processor Revisi    2414 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2417 #   erratum #23                                  2415 #   erratum #23
2418 #                                                2416 #
2419 # - The `daddiu' instruction can produce an i    2417 # - The `daddiu' instruction can produce an incorrect result.
2420 #   "MIPS R4000PC/SC Errata, Processor Revisi    2418 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2421 #   erratum #41                                  2419 #   erratum #41
2422 #   "MIPS R4000MC Errata, Processor Revision     2420 #   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2423 #   #15                                          2421 #   #15
2424 #   "MIPS R4400PC/SC Errata, Processor Revisi    2422 #   "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
2425 #   "MIPS R4400MC Errata, Processor Revision     2423 #   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
2426 config CPU_DADDI_WORKAROUNDS                     2424 config CPU_DADDI_WORKAROUNDS
2427         bool                                     2425         bool
2428                                                  2426 
2429 # Work around certain R4000 CPU errata (as im    2427 # Work around certain R4000 CPU errata (as implemented by GCC):
2430 #                                                2428 #
2431 # - A double-word or a variable shift may giv    2429 # - A double-word or a variable shift may give an incorrect result
2432 #   if executed immediately after starting an    2430 #   if executed immediately after starting an integer division:
2433 #   "MIPS R4000PC/SC Errata, Processor Revisi    2431 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2434 #   erratum #28                                  2432 #   erratum #28
2435 #   "MIPS R4000MC Errata, Processor Revision     2433 #   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
2436 #   #19                                          2434 #   #19
2437 #                                                2435 #
2438 # - A double-word or a variable shift may giv    2436 # - A double-word or a variable shift may give an incorrect result
2439 #   if executed while an integer multiplicati    2437 #   if executed while an integer multiplication is in progress:
2440 #   "MIPS R4000PC/SC Errata, Processor Revisi    2438 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2441 #   errata #16 & #28                             2439 #   errata #16 & #28
2442 #                                                2440 #
2443 # - An integer division may give an incorrect    2441 # - An integer division may give an incorrect result if started in
2444 #   a delay slot of a taken branch or a jump:    2442 #   a delay slot of a taken branch or a jump:
2445 #   "MIPS R4000PC/SC Errata, Processor Revisi    2443 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
2446 #   erratum #52                                  2444 #   erratum #52
2447 config CPU_R4000_WORKAROUNDS                     2445 config CPU_R4000_WORKAROUNDS
2448         bool                                     2446         bool
2449         select CPU_R4400_WORKAROUNDS             2447         select CPU_R4400_WORKAROUNDS
2450                                                  2448 
2451 # Work around certain R4400 CPU errata (as im    2449 # Work around certain R4400 CPU errata (as implemented by GCC):
2452 #                                                2450 #
2453 # - A double-word or a variable shift may giv    2451 # - A double-word or a variable shift may give an incorrect result
2454 #   if executed immediately after starting an    2452 #   if executed immediately after starting an integer division:
2455 #   "MIPS R4400MC Errata, Processor Revision     2453 #   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
2456 #   "MIPS R4400MC Errata, Processor Revision     2454 #   "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
2457 config CPU_R4400_WORKAROUNDS                     2455 config CPU_R4400_WORKAROUNDS
2458         bool                                     2456         bool
2459                                                  2457 
2460 config CPU_R4X00_BUGS64                          2458 config CPU_R4X00_BUGS64
2461         bool                                     2459         bool
2462         default y if SYS_HAS_CPU_R4X00 && 64B    2460         default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463                                                  2461 
2464 config MIPS_ASID_SHIFT                           2462 config MIPS_ASID_SHIFT
2465         int                                      2463         int
2466         default 6 if CPU_R3000                   2464         default 6 if CPU_R3000
2467         default 0                                2465         default 0
2468                                                  2466 
2469 config MIPS_ASID_BITS                            2467 config MIPS_ASID_BITS
2470         int                                      2468         int
2471         default 0 if MIPS_ASID_BITS_VARIABLE     2469         default 0 if MIPS_ASID_BITS_VARIABLE
2472         default 6 if CPU_R3000                   2470         default 6 if CPU_R3000
2473         default 8                                2471         default 8
2474                                                  2472 
2475 config MIPS_ASID_BITS_VARIABLE                   2473 config MIPS_ASID_BITS_VARIABLE
2476         bool                                     2474         bool
2477                                                  2475 
2478 config MIPS_CRC_SUPPORT                          2476 config MIPS_CRC_SUPPORT
2479         bool                                     2477         bool
2480                                                  2478 
2481 # R4600 erratum.  Due to the lack of errata i    2479 # R4600 erratum.  Due to the lack of errata information the exact
2482 # technical details aren't known.  I've exper    2480 # technical details aren't known.  I've experimentally found that disabling
2483 # interrupts during indexed I-cache flushes s    2481 # interrupts during indexed I-cache flushes seems to be sufficient to deal
2484 # with the issue.                                2482 # with the issue.
2485 config WAR_R4600_V1_INDEX_ICACHEOP               2483 config WAR_R4600_V1_INDEX_ICACHEOP
2486         bool                                     2484         bool
2487                                                  2485 
2488 # Pleasures of the R4600 V1.x.  Cite from the    2486 # Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
2489 #                                                2487 #
2490 #  18. The CACHE instructions Hit_Writeback_I    2488 #  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
2491 #      Hit_Invalidate_D and Create_Dirty_Excl    2489 #      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
2492 #      executed if there is no other dcache a    2490 #      executed if there is no other dcache activity. If the dcache is
2493 #      accessed for another instruction immed    2491 #      accessed for another instruction immediately preceding when these
2494 #      cache instructions are executing, it i    2492 #      cache instructions are executing, it is possible that the dcache
2495 #      tag match outputs used by these cache     2493 #      tag match outputs used by these cache instructions will be
2496 #      incorrect. These cache instructions sh    2494 #      incorrect. These cache instructions should be preceded by at least
2497 #      four instructions that are not any kin    2495 #      four instructions that are not any kind of load or store
2498 #      instruction.                              2496 #      instruction.
2499 #                                                2497 #
2500 #      This is not allowed:    lw                2498 #      This is not allowed:    lw
2501 #                              nop               2499 #                              nop
2502 #                              nop               2500 #                              nop
2503 #                              nop               2501 #                              nop
2504 #                              cache       Hi    2502 #                              cache       Hit_Writeback_Invalidate_D
2505 #                                                2503 #
2506 #      This is allowed:        lw                2504 #      This is allowed:        lw
2507 #                              nop               2505 #                              nop
2508 #                              nop               2506 #                              nop
2509 #                              nop               2507 #                              nop
2510 #                              nop               2508 #                              nop
2511 #                              cache       Hi    2509 #                              cache       Hit_Writeback_Invalidate_D
2512 config WAR_R4600_V1_HIT_CACHEOP                  2510 config WAR_R4600_V1_HIT_CACHEOP
2513         bool                                     2511         bool
2514                                                  2512 
2515 # Writeback and invalidate the primary cache     2513 # Writeback and invalidate the primary cache dcache before DMA.
2516 #                                                2514 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit    2515 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat    2516 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
2519 # operate correctly if the internal data cach    2517 # operate correctly if the internal data cache refill buffer is empty.  These
2520 # CACHE instructions should be separated from    2518 # CACHE instructions should be separated from any potential data cache miss
2521 # by a load instruction to an uncached addres    2519 # by a load instruction to an uncached address to empty the response buffer."
2522 # (Revision 2.0 device errata from IDT availa    2520 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
2523 # in .pdf format.)                               2521 # in .pdf format.)
2524 config WAR_R4600_V2_HIT_CACHEOP                  2522 config WAR_R4600_V2_HIT_CACHEOP
2525         bool                                     2523         bool
2526                                                  2524 
2527 # From TX49/H2 manual: "If the instruction (i    2525 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
2528 # the line which this instruction itself exis    2526 # the line which this instruction itself exists, the following
2529 # operation is not guaranteed."                  2527 # operation is not guaranteed."
2530 #                                                2528 #
2531 # Workaround: do two phase flushing for Index    2529 # Workaround: do two phase flushing for Index_Invalidate_I
2532 config WAR_TX49XX_ICACHE_INDEX_INV               2530 config WAR_TX49XX_ICACHE_INDEX_INV
2533         bool                                     2531         bool
2534                                                  2532 
2535 # The RM7000 processors and the E9000 cores h    2533 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
2536 # opposes it being called that) where invalid    2534 # opposes it being called that) where invalid instructions in the same
2537 # I-cache line worth of instructions being fe    2535 # I-cache line worth of instructions being fetched may case spurious
2538 # exceptions.                                    2536 # exceptions.
2539 config WAR_ICACHE_REFILLS                        2537 config WAR_ICACHE_REFILLS
2540         bool                                     2538         bool
2541                                                  2539 
2542 # On the R10000 up to version 2.6 (not sure a    2540 # 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    2541 # may cause ll / sc and lld / scd sequences to execute non-atomically.
2544 config WAR_R10000_LLSC                           2542 config WAR_R10000_LLSC
2545         bool                                     2543         bool
2546                                                  2544 
2547 # 34K core erratum: "Problems Executing the T    2545 # 34K core erratum: "Problems Executing the TLBR Instruction"
2548 config WAR_MIPS34K_MISSED_ITLB                   2546 config WAR_MIPS34K_MISSED_ITLB
2549         bool                                     2547         bool
2550                                                  2548 
2551 #                                                2549 #
2552 # - Highmem only makes sense for the 32-bit k    2550 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p    2551 # - The current highmem code will only work properly on physically indexed
2554 #   caches such as R3000, SB1, R7000 or those    2552 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 #   indexed such as R4000/R4400 SC and MC ver    2553 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2556 #   moment we protect the user and offer the     2554 #   moment we protect the user and offer the highmem option only on machines
2557 #   where it's known to be safe.  This will n    2555 #   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     2556 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 #   indexed CPUs but we're playing safe.         2557 #   indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high    2558 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 #   know they might have memory configuration    2559 #   know they might have memory configurations that could make use of highmem
2562 #   support.                                     2560 #   support.
2563 #                                                2561 #
2564 config HIGHMEM                                   2562 config HIGHMEM
2565         bool "High Memory Support"               2563         bool "High Memory Support"
2566         depends on 32BIT && CPU_SUPPORTS_HIGH    2564         depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567         select KMAP_LOCAL                        2565         select KMAP_LOCAL
2568                                                  2566 
2569 config CPU_SUPPORTS_HIGHMEM                      2567 config CPU_SUPPORTS_HIGHMEM
2570         bool                                     2568         bool
2571                                                  2569 
2572 config SYS_SUPPORTS_HIGHMEM                      2570 config SYS_SUPPORTS_HIGHMEM
2573         bool                                     2571         bool
2574                                                  2572 
2575 config SYS_SUPPORTS_SMARTMIPS                    2573 config SYS_SUPPORTS_SMARTMIPS
2576         bool                                     2574         bool
2577                                                  2575 
2578 config SYS_SUPPORTS_MICROMIPS                    2576 config SYS_SUPPORTS_MICROMIPS
2579         bool                                     2577         bool
2580                                                  2578 
2581 config SYS_SUPPORTS_MIPS16                       2579 config SYS_SUPPORTS_MIPS16
2582         bool                                     2580         bool
2583         help                                     2581         help
2584           This option must be set if a kernel    2582           This option must be set if a kernel might be executed on a MIPS16-
2585           enabled CPU even if MIPS16 is not a    2583           enabled CPU even if MIPS16 is not actually being used.  In other
2586           words, it makes the kernel MIPS16-t    2584           words, it makes the kernel MIPS16-tolerant.
2587                                                  2585 
2588 config CPU_SUPPORTS_MSA                          2586 config CPU_SUPPORTS_MSA
2589         bool                                     2587         bool
2590                                                  2588 
2591 config ARCH_FLATMEM_ENABLE                       2589 config ARCH_FLATMEM_ENABLE
2592         def_bool y                               2590         def_bool y
2593         depends on !NUMA && !CPU_LOONGSON2EF     2591         depends on !NUMA && !CPU_LOONGSON2EF
2594                                                  2592 
2595 config ARCH_SPARSEMEM_ENABLE                     2593 config ARCH_SPARSEMEM_ENABLE
2596         bool                                     2594         bool
2597                                                  2595 
2598 config NUMA                                      2596 config NUMA
2599         bool "NUMA Support"                      2597         bool "NUMA Support"
2600         depends on SYS_SUPPORTS_NUMA             2598         depends on SYS_SUPPORTS_NUMA
2601         select SMP                               2599         select SMP
2602         select HAVE_SETUP_PER_CPU_AREA           2600         select HAVE_SETUP_PER_CPU_AREA
2603         select NEED_PER_CPU_EMBED_FIRST_CHUNK    2601         select NEED_PER_CPU_EMBED_FIRST_CHUNK
2604         help                                     2602         help
2605           Say Y to compile the kernel to supp    2603           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606           Access).  This option improves perf    2604           Access).  This option improves performance on systems with more
2607           than two nodes; on two node systems    2605           than two nodes; on two node systems it is generally better to
2608           leave it disabled; on single node s    2606           leave it disabled; on single node systems leave this option
2609           disabled.                              2607           disabled.
2610                                                  2608 
2611 config SYS_SUPPORTS_NUMA                         2609 config SYS_SUPPORTS_NUMA
2612         bool                                     2610         bool
2613                                                  2611 
                                                   >> 2612 config HAVE_ARCH_NODEDATA_EXTENSION
                                                   >> 2613         bool
                                                   >> 2614 
2614 config RELOCATABLE                               2615 config RELOCATABLE
2615         bool "Relocatable kernel"                2616         bool "Relocatable kernel"
2616         depends on SYS_SUPPORTS_RELOCATABLE      2617         depends on SYS_SUPPORTS_RELOCATABLE
2617         depends on CPU_MIPS32_R2 || CPU_MIPS6    2618         depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618                    CPU_MIPS32_R5 || CPU_MIPS6    2619                    CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619                    CPU_MIPS32_R6 || CPU_MIPS6    2620                    CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620                    CPU_P5600 || CAVIUM_OCTEON    2621                    CPU_P5600 || CAVIUM_OCTEON_SOC || \
2621                    CPU_LOONGSON64                2622                    CPU_LOONGSON64
2622         help                                     2623         help
2623           This builds a kernel image that ret    2624           This builds a kernel image that retains relocation information
2624           so it can be loaded someplace besid    2625           so it can be loaded someplace besides the default 1MB.
2625           The relocations make the kernel bin    2626           The relocations make the kernel binary about 15% larger,
2626           but are discarded at runtime           2627           but are discarded at runtime
2627                                                  2628 
2628 config RELOCATION_TABLE_SIZE                     2629 config RELOCATION_TABLE_SIZE
2629         hex "Relocation table size"              2630         hex "Relocation table size"
2630         depends on RELOCATABLE                   2631         depends on RELOCATABLE
2631         range 0x0 0x01000000                     2632         range 0x0 0x01000000
2632         default "0x00200000" if CPU_LOONGSON6    2633         default "0x00200000" if CPU_LOONGSON64
2633         default "0x00100000"                     2634         default "0x00100000"
2634         help                                     2635         help
2635           A table of relocation data will be     2636           A table of relocation data will be appended to the kernel binary
2636           and parsed at boot to fix up the re    2637           and parsed at boot to fix up the relocated kernel.
2637                                                  2638 
2638           This option allows the amount of sp    2639           This option allows the amount of space reserved for the table to be
2639           adjusted, although the default of 1    2640           adjusted, although the default of 1Mb should be ok in most cases.
2640                                                  2641 
2641           The build will fail and a valid siz    2642           The build will fail and a valid size suggested if this is too small.
2642                                                  2643 
2643           If unsure, leave at the default val    2644           If unsure, leave at the default value.
2644                                                  2645 
2645 config RANDOMIZE_BASE                            2646 config RANDOMIZE_BASE
2646         bool "Randomize the address of the ke    2647         bool "Randomize the address of the kernel image"
2647         depends on RELOCATABLE                   2648         depends on RELOCATABLE
2648         help                                     2649         help
2649           Randomizes the physical and virtual    2650           Randomizes the physical and virtual address at which the
2650           kernel image is loaded, as a securi    2651           kernel image is loaded, as a security feature that
2651           deters exploit attempts relying on     2652           deters exploit attempts relying on knowledge of the location
2652           of kernel internals.                   2653           of kernel internals.
2653                                                  2654 
2654           Entropy is generated using any copr    2655           Entropy is generated using any coprocessor 0 registers available.
2655                                                  2656 
2656           The kernel will be offset by up to     2657           The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657                                                  2658 
2658           If unsure, say N.                      2659           If unsure, say N.
2659                                                  2660 
2660 config RANDOMIZE_BASE_MAX_OFFSET                 2661 config RANDOMIZE_BASE_MAX_OFFSET
2661         hex "Maximum kASLR offset" if EXPERT     2662         hex "Maximum kASLR offset" if EXPERT
2662         depends on RANDOMIZE_BASE                2663         depends on RANDOMIZE_BASE
2663         range 0x0 0x40000000 if EVA || 64BIT     2664         range 0x0 0x40000000 if EVA || 64BIT
2664         range 0x0 0x08000000                     2665         range 0x0 0x08000000
2665         default "0x01000000"                     2666         default "0x01000000"
2666         help                                     2667         help
2667           When kASLR is active, this provides    2668           When kASLR is active, this provides the maximum offset that will
2668           be applied to the kernel image. It     2669           be applied to the kernel image. It should be set according to the
2669           amount of physical RAM available in    2670           amount of physical RAM available in the target system minus
2670           PHYSICAL_START and must be a power     2671           PHYSICAL_START and must be a power of 2.
2671                                                  2672 
2672           This is limited by the size of KSEG    2673           This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673           EVA or 64-bit. The default is 16Mb.    2674           EVA or 64-bit. The default is 16Mb.
2674                                                  2675 
2675 config NODES_SHIFT                               2676 config NODES_SHIFT
2676         int                                      2677         int
2677         default "6"                              2678         default "6"
2678         depends on NUMA                          2679         depends on NUMA
2679                                                  2680 
2680 config HW_PERF_EVENTS                            2681 config HW_PERF_EVENTS
2681         bool "Enable hardware performance cou    2682         bool "Enable hardware performance counter support for perf events"
2682         depends on PERF_EVENTS && (CPU_MIPS32    2683         depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
2683         default y                                2684         default y
2684         help                                     2685         help
2685           Enable hardware performance counter    2686           Enable hardware performance counter support for perf events. If
2686           disabled, perf events will use soft    2687           disabled, perf events will use software events only.
2687                                                  2688 
2688 config DMI                                       2689 config DMI
2689         bool "Enable DMI scanning"               2690         bool "Enable DMI scanning"
2690         depends on MACH_LOONGSON64               2691         depends on MACH_LOONGSON64
2691         select DMI_SCAN_MACHINE_NON_EFI_FALLB    2692         select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692         default y                                2693         default y
2693         help                                     2694         help
2694           Enabled scanning of DMI to identify    2695           Enabled scanning of DMI to identify machine quirks. Say Y
2695           here unless you have verified that     2696           here unless you have verified that your setup is not
2696           affected by entries in the DMI blac    2697           affected by entries in the DMI blacklist. Required by PNP
2697           BIOS code.                             2698           BIOS code.
2698                                                  2699 
2699 config SMP                                       2700 config SMP
2700         bool "Multi-Processing support"          2701         bool "Multi-Processing support"
2701         depends on SYS_SUPPORTS_SMP              2702         depends on SYS_SUPPORTS_SMP
2702         help                                     2703         help
2703           This enables support for systems wi    2704           This enables support for systems with more than one CPU. If you have
2704           a system with only one CPU, say N.     2705           a system with only one CPU, say N. If you have a system with more
2705           than one CPU, say Y.                   2706           than one CPU, say Y.
2706                                                  2707 
2707           If you say N here, the kernel will     2708           If you say N here, the kernel will run on uni- and multiprocessor
2708           machines, but will use only one CPU    2709           machines, but will use only one CPU of a multiprocessor machine. If
2709           you say Y here, the kernel will run    2710           you say Y here, the kernel will run on many, but not all,
2710           uniprocessor machines. On a uniproc    2711           uniprocessor machines. On a uniprocessor machine, the kernel
2711           will run faster if you say N here.     2712           will run faster if you say N here.
2712                                                  2713 
2713           People using multiprocessor machine    2714           People using multiprocessor machines who say Y here should also say
2714           Y to "Enhanced Real Time Clock Supp    2715           Y to "Enhanced Real Time Clock Support", below.
2715                                                  2716 
2716           See also the SMP-HOWTO available at    2717           See also the SMP-HOWTO available at
2717           <https://www.tldp.org/docs.html#how    2718           <https://www.tldp.org/docs.html#howto>.
2718                                                  2719 
2719           If you don't know what to do here,     2720           If you don't know what to do here, say N.
2720                                                  2721 
2721 config HOTPLUG_CPU                               2722 config HOTPLUG_CPU
2722         bool "Support for hot-pluggable CPUs"    2723         bool "Support for hot-pluggable CPUs"
2723         depends on SMP && SYS_SUPPORTS_HOTPLU    2724         depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724         help                                     2725         help
2725           Say Y here to allow turning CPUs of    2726           Say Y here to allow turning CPUs off and on. CPUs can be
2726           controlled through /sys/devices/sys    2727           controlled through /sys/devices/system/cpu.
2727           (Note: power management support wil    2728           (Note: power management support will enable this option
2728             automatically on SMP systems. )      2729             automatically on SMP systems. )
2729           Say N if you want to disable CPU ho    2730           Say N if you want to disable CPU hotplug.
2730                                                  2731 
2731 config SMP_UP                                    2732 config SMP_UP
2732         bool                                     2733         bool
2733                                                  2734 
2734 config SYS_SUPPORTS_MIPS_CPS                     2735 config SYS_SUPPORTS_MIPS_CPS
2735         bool                                     2736         bool
2736                                                  2737 
2737 config SYS_SUPPORTS_SMP                          2738 config SYS_SUPPORTS_SMP
2738         bool                                     2739         bool
2739                                                  2740 
2740 config NR_CPUS_DEFAULT_4                         2741 config NR_CPUS_DEFAULT_4
2741         bool                                     2742         bool
2742                                                  2743 
2743 config NR_CPUS_DEFAULT_8                         2744 config NR_CPUS_DEFAULT_8
2744         bool                                     2745         bool
2745                                                  2746 
2746 config NR_CPUS_DEFAULT_16                        2747 config NR_CPUS_DEFAULT_16
2747         bool                                     2748         bool
2748                                                  2749 
2749 config NR_CPUS_DEFAULT_32                        2750 config NR_CPUS_DEFAULT_32
2750         bool                                     2751         bool
2751                                                  2752 
2752 config NR_CPUS_DEFAULT_64                        2753 config NR_CPUS_DEFAULT_64
2753         bool                                     2754         bool
2754                                                  2755 
2755 config NR_CPUS                                   2756 config NR_CPUS
2756         int "Maximum number of CPUs (2-256)"     2757         int "Maximum number of CPUs (2-256)"
2757         range 2 256                              2758         range 2 256
2758         depends on SMP                           2759         depends on SMP
2759         default "4" if NR_CPUS_DEFAULT_4         2760         default "4" if NR_CPUS_DEFAULT_4
2760         default "8" if NR_CPUS_DEFAULT_8         2761         default "8" if NR_CPUS_DEFAULT_8
2761         default "16" if NR_CPUS_DEFAULT_16       2762         default "16" if NR_CPUS_DEFAULT_16
2762         default "32" if NR_CPUS_DEFAULT_32       2763         default "32" if NR_CPUS_DEFAULT_32
2763         default "64" if NR_CPUS_DEFAULT_64       2764         default "64" if NR_CPUS_DEFAULT_64
2764         help                                     2765         help
2765           This allows you to specify the maxi    2766           This allows you to specify the maximum number of CPUs which this
2766           kernel will support.  The maximum s    2767           kernel will support.  The maximum supported value is 32 for 32-bit
2767           kernel and 64 for 64-bit kernels; t    2768           kernel and 64 for 64-bit kernels; the minimum value which makes
2768           sense is 1 for Qemu (useful only fo    2769           sense is 1 for Qemu (useful only for kernel debugging purposes)
2769           and 2 for all others.                  2770           and 2 for all others.
2770                                                  2771 
2771           This is purely to save memory - eac    2772           This is purely to save memory - each supported CPU adds
2772           approximately eight kilobytes to th    2773           approximately eight kilobytes to the kernel image.  For best
2773           performance should round up your nu    2774           performance should round up your number of processors to the next
2774           power of two.                          2775           power of two.
2775                                                  2776 
2776 config MIPS_PERF_SHARED_TC_COUNTERS              2777 config MIPS_PERF_SHARED_TC_COUNTERS
2777         bool                                     2778         bool
2778                                                  2779 
2779 config MIPS_NR_CPU_NR_MAP_1024                   2780 config MIPS_NR_CPU_NR_MAP_1024
2780         bool                                     2781         bool
2781                                                  2782 
2782 config MIPS_NR_CPU_NR_MAP                        2783 config MIPS_NR_CPU_NR_MAP
2783         int                                      2784         int
2784         depends on SMP                           2785         depends on SMP
2785         default 1024 if MIPS_NR_CPU_NR_MAP_10    2786         default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786         default NR_CPUS if !MIPS_NR_CPU_NR_MA    2787         default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787                                                  2788 
2788 #                                                2789 #
2789 # Timer Interrupt Frequency Configuration        2790 # Timer Interrupt Frequency Configuration
2790 #                                                2791 #
2791                                                  2792 
2792 choice                                           2793 choice
2793         prompt "Timer frequency"                 2794         prompt "Timer frequency"
2794         default HZ_250                           2795         default HZ_250
2795         help                                     2796         help
2796           Allows the configuration of the tim    2797           Allows the configuration of the timer frequency.
2797                                                  2798 
2798         config HZ_24                             2799         config HZ_24
2799                 bool "24 HZ" if SYS_SUPPORTS_    2800                 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800                                                  2801 
2801         config HZ_48                             2802         config HZ_48
2802                 bool "48 HZ" if SYS_SUPPORTS_    2803                 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803                                                  2804 
2804         config HZ_100                            2805         config HZ_100
2805                 bool "100 HZ" if SYS_SUPPORTS    2806                 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806                                                  2807 
2807         config HZ_128                            2808         config HZ_128
2808                 bool "128 HZ" if SYS_SUPPORTS    2809                 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809                                                  2810 
2810         config HZ_250                            2811         config HZ_250
2811                 bool "250 HZ" if SYS_SUPPORTS    2812                 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812                                                  2813 
2813         config HZ_256                            2814         config HZ_256
2814                 bool "256 HZ" if SYS_SUPPORTS    2815                 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815                                                  2816 
2816         config HZ_1000                           2817         config HZ_1000
2817                 bool "1000 HZ" if SYS_SUPPORT    2818                 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818                                                  2819 
2819         config HZ_1024                           2820         config HZ_1024
2820                 bool "1024 HZ" if SYS_SUPPORT    2821                 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821                                                  2822 
2822 endchoice                                        2823 endchoice
2823                                                  2824 
2824 config SYS_SUPPORTS_24HZ                         2825 config SYS_SUPPORTS_24HZ
2825         bool                                     2826         bool
2826                                                  2827 
2827 config SYS_SUPPORTS_48HZ                         2828 config SYS_SUPPORTS_48HZ
2828         bool                                     2829         bool
2829                                                  2830 
2830 config SYS_SUPPORTS_100HZ                        2831 config SYS_SUPPORTS_100HZ
2831         bool                                     2832         bool
2832                                                  2833 
2833 config SYS_SUPPORTS_128HZ                        2834 config SYS_SUPPORTS_128HZ
2834         bool                                     2835         bool
2835                                                  2836 
2836 config SYS_SUPPORTS_250HZ                        2837 config SYS_SUPPORTS_250HZ
2837         bool                                     2838         bool
2838                                                  2839 
2839 config SYS_SUPPORTS_256HZ                        2840 config SYS_SUPPORTS_256HZ
2840         bool                                     2841         bool
2841                                                  2842 
2842 config SYS_SUPPORTS_1000HZ                       2843 config SYS_SUPPORTS_1000HZ
2843         bool                                     2844         bool
2844                                                  2845 
2845 config SYS_SUPPORTS_1024HZ                       2846 config SYS_SUPPORTS_1024HZ
2846         bool                                     2847         bool
2847                                                  2848 
2848 config SYS_SUPPORTS_ARBIT_HZ                     2849 config SYS_SUPPORTS_ARBIT_HZ
2849         bool                                     2850         bool
2850         default y if !SYS_SUPPORTS_24HZ && \     2851         default y if !SYS_SUPPORTS_24HZ && \
2851                      !SYS_SUPPORTS_48HZ && \     2852                      !SYS_SUPPORTS_48HZ && \
2852                      !SYS_SUPPORTS_100HZ && \    2853                      !SYS_SUPPORTS_100HZ && \
2853                      !SYS_SUPPORTS_128HZ && \    2854                      !SYS_SUPPORTS_128HZ && \
2854                      !SYS_SUPPORTS_250HZ && \    2855                      !SYS_SUPPORTS_250HZ && \
2855                      !SYS_SUPPORTS_256HZ && \    2856                      !SYS_SUPPORTS_256HZ && \
2856                      !SYS_SUPPORTS_1000HZ &&     2857                      !SYS_SUPPORTS_1000HZ && \
2857                      !SYS_SUPPORTS_1024HZ        2858                      !SYS_SUPPORTS_1024HZ
2858                                                  2859 
2859 config HZ                                        2860 config HZ
2860         int                                      2861         int
2861         default 24 if HZ_24                      2862         default 24 if HZ_24
2862         default 48 if HZ_48                      2863         default 48 if HZ_48
2863         default 100 if HZ_100                    2864         default 100 if HZ_100
2864         default 128 if HZ_128                    2865         default 128 if HZ_128
2865         default 250 if HZ_250                    2866         default 250 if HZ_250
2866         default 256 if HZ_256                    2867         default 256 if HZ_256
2867         default 1000 if HZ_1000                  2868         default 1000 if HZ_1000
2868         default 1024 if HZ_1024                  2869         default 1024 if HZ_1024
2869                                                  2870 
2870 config SCHED_HRTICK                              2871 config SCHED_HRTICK
2871         def_bool HIGH_RES_TIMERS                 2872         def_bool HIGH_RES_TIMERS
2872                                                  2873 
2873 config ARCH_SUPPORTS_KEXEC                       2874 config ARCH_SUPPORTS_KEXEC
2874         def_bool y                               2875         def_bool y
2875                                                  2876 
2876 config ARCH_SUPPORTS_CRASH_DUMP                  2877 config ARCH_SUPPORTS_CRASH_DUMP
2877         def_bool y                               2878         def_bool y
2878                                                  2879 
2879 config PHYSICAL_START                            2880 config PHYSICAL_START
2880         hex "Physical address where the kerne    2881         hex "Physical address where the kernel is loaded"
2881         default "0xffffffff84000000"             2882         default "0xffffffff84000000"
2882         depends on CRASH_DUMP                    2883         depends on CRASH_DUMP
2883         help                                     2884         help
2884           This gives the CKSEG0 or KSEG0 addr    2885           This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885           If you plan to use kernel for captu    2886           If you plan to use kernel for capturing the crash dump change
2886           this value to start of the reserved    2887           this value to start of the reserved region (the "X" value as
2887           specified in the "crashkernel=YM@XM    2888           specified in the "crashkernel=YM@XM" command line boot parameter
2888           passed to the panic-ed kernel).        2889           passed to the panic-ed kernel).
2889                                                  2890 
2890 config MIPS_O32_FP64_SUPPORT                     2891 config MIPS_O32_FP64_SUPPORT
2891         bool "Support for O32 binaries using     2892         bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892         depends on 32BIT || MIPS32_O32           2893         depends on 32BIT || MIPS32_O32
2893         help                                     2894         help
2894           When this is enabled, the kernel wi    2895           When this is enabled, the kernel will support use of 64-bit floating
2895           point registers with binaries using    2896           point registers with binaries using the O32 ABI along with the
2896           EF_MIPS_FP64 ELF header flag (typic    2897           EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897           32-bit MIPS systems this support is    2898           32-bit MIPS systems this support is at the cost of increasing the
2898           size and complexity of the compiled    2899           size and complexity of the compiled FPU emulator. Thus if you are
2899           running a MIPS32 system and know th    2900           running a MIPS32 system and know that none of your userland binaries
2900           will require 64-bit floating point,    2901           will require 64-bit floating point, you may wish to reduce the size
2901           of your kernel & potentially improv    2902           of your kernel & potentially improve FP emulation performance by
2902           saying N here.                         2903           saying N here.
2903                                                  2904 
2904           Although binutils currently support    2905           Although binutils currently supports use of this flag the details
2905           concerning its effect upon the O32     2906           concerning its effect upon the O32 ABI in userland are still being
2906           worked on. In order to avoid userla    2907           worked on. In order to avoid userland becoming dependent upon current
2907           behaviour before the details have b    2908           behaviour before the details have been finalised, this option should
2908           be considered experimental and only    2909           be considered experimental and only enabled by those working upon
2909           said details.                          2910           said details.
2910                                                  2911 
2911           If unsure, say N.                      2912           If unsure, say N.
2912                                                  2913 
2913 config USE_OF                                    2914 config USE_OF
2914         bool                                     2915         bool
2915         select OF                                2916         select OF
2916         select OF_EARLY_FLATTREE                 2917         select OF_EARLY_FLATTREE
2917         select IRQ_DOMAIN                        2918         select IRQ_DOMAIN
2918                                                  2919 
2919 config UHI_BOOT                                  2920 config UHI_BOOT
2920         bool                                     2921         bool
2921                                                  2922 
2922 config BUILTIN_DTB                               2923 config BUILTIN_DTB
2923         bool                                     2924         bool
2924                                                  2925 
2925 choice                                           2926 choice
2926         prompt "Kernel appended dtb support"  !! 2927         prompt "Kernel appended dtb support" if USE_OF
2927         depends on USE_OF                     << 
2928         default MIPS_NO_APPENDED_DTB             2928         default MIPS_NO_APPENDED_DTB
2929                                                  2929 
2930         config MIPS_NO_APPENDED_DTB              2930         config MIPS_NO_APPENDED_DTB
2931                 bool "None"                      2931                 bool "None"
2932                 help                             2932                 help
2933                   Do not enable appended dtb     2933                   Do not enable appended dtb support.
2934                                                  2934 
2935         config MIPS_ELF_APPENDED_DTB             2935         config MIPS_ELF_APPENDED_DTB
2936                 bool "vmlinux"                   2936                 bool "vmlinux"
2937                 help                             2937                 help
2938                   With this option, the boot     2938                   With this option, the boot code will look for a device tree binary
2939                   DTB) included in the vmlinu    2939                   DTB) included in the vmlinux ELF section .appended_dtb. By default
2940                   it is empty and the DTB can    2940                   it is empty and the DTB can be appended using binutils command
2941                   objcopy:                       2941                   objcopy:
2942                                                  2942 
2943                     objcopy --update-section     2943                     objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944                                                  2944 
2945                   This is meant as a backward    2945                   This is meant as a backward compatibility convenience for those
2946                   systems with a bootloader t    2946                   systems with a bootloader that can't be upgraded to accommodate
2947                   the documented boot protoco    2947                   the documented boot protocol using a device tree.
2948                                                  2948 
2949         config MIPS_RAW_APPENDED_DTB             2949         config MIPS_RAW_APPENDED_DTB
2950                 bool "vmlinux.bin or vmlinuz.    2950                 bool "vmlinux.bin or vmlinuz.bin"
2951                 help                             2951                 help
2952                   With this option, the boot     2952                   With this option, the boot code will look for a device tree binary
2953                   DTB) appended to raw vmlinu    2953                   DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954                   (e.g. cat vmlinux.bin <file    2954                   (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955                                                  2955 
2956                   This is meant as a backward    2956                   This is meant as a backward compatibility convenience for those
2957                   systems with a bootloader t    2957                   systems with a bootloader that can't be upgraded to accommodate
2958                   the documented boot protoco    2958                   the documented boot protocol using a device tree.
2959                                                  2959 
2960                   Beware that there is very l    2960                   Beware that there is very little in terms of protection against
2961                   this option being confused     2961                   this option being confused by leftover garbage in memory that might
2962                   look like a DTB header afte    2962                   look like a DTB header after a reboot if no actual DTB is appended
2963                   to vmlinux.bin.  Do not lea    2963                   to vmlinux.bin.  Do not leave this option active in a production kernel
2964                   if you don't intend to alwa    2964                   if you don't intend to always append a DTB.
2965 endchoice                                        2965 endchoice
2966                                                  2966 
2967 choice                                           2967 choice
2968         prompt "Kernel command line type"     !! 2968         prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969         depends on !CMDLINE_OVERRIDE          << 
2970         default MIPS_CMDLINE_FROM_DTB if USE_    2969         default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971                                          !MAC    2970                                          !MACH_LOONGSON64 && !MIPS_MALTA && \
2972                                          !CAV    2971                                          !CAVIUM_OCTEON_SOC
2973         default MIPS_CMDLINE_FROM_BOOTLOADER     2972         default MIPS_CMDLINE_FROM_BOOTLOADER
2974                                                  2973 
2975         config MIPS_CMDLINE_FROM_DTB             2974         config MIPS_CMDLINE_FROM_DTB
2976                 depends on USE_OF                2975                 depends on USE_OF
2977                 bool "Dtb kernel arguments if    2976                 bool "Dtb kernel arguments if available"
2978                                                  2977 
2979         config MIPS_CMDLINE_DTB_EXTEND           2978         config MIPS_CMDLINE_DTB_EXTEND
2980                 depends on USE_OF                2979                 depends on USE_OF
2981                 bool "Extend dtb kernel argum    2980                 bool "Extend dtb kernel arguments with bootloader arguments"
2982                                                  2981 
2983         config MIPS_CMDLINE_FROM_BOOTLOADER      2982         config MIPS_CMDLINE_FROM_BOOTLOADER
2984                 bool "Bootloader kernel argum    2983                 bool "Bootloader kernel arguments if available"
2985                                                  2984 
2986         config MIPS_CMDLINE_BUILTIN_EXTEND       2985         config MIPS_CMDLINE_BUILTIN_EXTEND
2987                 depends on CMDLINE_BOOL          2986                 depends on CMDLINE_BOOL
2988                 bool "Extend builtin kernel a    2987                 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice                                        2988 endchoice
2990                                                  2989 
2991 endmenu                                          2990 endmenu
2992                                                  2991 
2993 config LOCKDEP_SUPPORT                           2992 config LOCKDEP_SUPPORT
2994         bool                                     2993         bool
2995         default y                                2994         default y
2996                                                  2995 
2997 config STACKTRACE_SUPPORT                        2996 config STACKTRACE_SUPPORT
2998         bool                                     2997         bool
2999         default y                                2998         default y
3000                                                  2999 
3001 config PGTABLE_LEVELS                            3000 config PGTABLE_LEVELS
3002         int                                      3001         int
3003         default 4 if PAGE_SIZE_4KB && MIPS_VA    3002         default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004         default 3 if 64BIT && (!PAGE_SIZE_64K    3003         default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
3005         default 2                                3004         default 2
3006                                                  3005 
3007 config MIPS_AUTO_PFN_OFFSET                      3006 config MIPS_AUTO_PFN_OFFSET
3008         bool                                     3007         bool
3009                                                  3008 
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC    3009 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011                                                  3010 
3012 config PCI_DRIVERS_GENERIC                       3011 config PCI_DRIVERS_GENERIC
3013         select PCI_DOMAINS_GENERIC if PCI        3012         select PCI_DOMAINS_GENERIC if PCI
3014         bool                                     3013         bool
3015                                                  3014 
3016 config PCI_DRIVERS_LEGACY                        3015 config PCI_DRIVERS_LEGACY
3017         def_bool !PCI_DRIVERS_GENERIC            3016         def_bool !PCI_DRIVERS_GENERIC
3018         select NO_GENERIC_PCI_IOPORT_MAP         3017         select NO_GENERIC_PCI_IOPORT_MAP
3019         select PCI_DOMAINS if PCI                3018         select PCI_DOMAINS if PCI
3020                                                  3019 
3021 #                                                3020 #
3022 # ISA support is now enabled via select.  Too    3021 # 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    3022 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ...            3023 # users to choose the right thing ...
3025 #                                                3024 #
3026 config ISA                                       3025 config ISA
3027         bool                                     3026         bool
3028                                                  3027 
3029 config TC                                        3028 config TC
3030         bool "TURBOchannel support"              3029         bool "TURBOchannel support"
3031         depends on MACH_DECSTATION               3030         depends on MACH_DECSTATION
3032         help                                     3031         help
3033           TURBOchannel is a DEC (now Compaq (    3032           TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034           processors.  TURBOchannel programmi    3033           processors.  TURBOchannel programming specifications are available
3035           at:                                    3034           at:
3036           <ftp://ftp.hp.com/pub/alphaserver/a    3035           <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037           and:                                   3036           and:
3038           <http://www.computer-refuge.org/cla    3037           <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039           Linux driver support status is docu    3038           Linux driver support status is documented at:
3040           <http://www.linux-mips.org/wiki/DEC    3039           <http://www.linux-mips.org/wiki/DECstation>
3041                                                  3040 
3042 config MMU                                       3041 config MMU
3043         bool                                     3042         bool
3044         default y                                3043         default y
3045                                                  3044 
3046 config ARCH_MMAP_RND_BITS_MIN                    3045 config ARCH_MMAP_RND_BITS_MIN
3047         default 12 if 64BIT                      3046         default 12 if 64BIT
3048         default 8                                3047         default 8
3049                                                  3048 
3050 config ARCH_MMAP_RND_BITS_MAX                    3049 config ARCH_MMAP_RND_BITS_MAX
3051         default 18 if 64BIT                      3050         default 18 if 64BIT
3052         default 15                               3051         default 15
3053                                                  3052 
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN             3053 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055         default 8                                3054         default 8
3056                                                  3055 
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX             3056 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058         default 15                               3057         default 15
3059                                                  3058 
3060 config I8253                                     3059 config I8253
3061         bool                                     3060         bool
3062         select CLKSRC_I8253                      3061         select CLKSRC_I8253
3063         select CLKEVT_I8253                      3062         select CLKEVT_I8253
3064         select MIPS_EXTERNAL_TIMER               3063         select MIPS_EXTERNAL_TIMER
3065 endmenu                                          3064 endmenu
3066                                                  3065 
3067 config TRAD_SIGNALS                              3066 config TRAD_SIGNALS
3068         bool                                     3067         bool
3069                                                  3068 
3070 config MIPS32_COMPAT                             3069 config MIPS32_COMPAT
3071         bool                                     3070         bool
3072                                                  3071 
3073 config COMPAT                                    3072 config COMPAT
3074         bool                                     3073         bool
3075                                                  3074 
3076 config MIPS32_O32                                3075 config MIPS32_O32
3077         bool "Kernel support for o32 binaries    3076         bool "Kernel support for o32 binaries"
3078         depends on 64BIT                         3077         depends on 64BIT
3079         select ARCH_WANT_OLD_COMPAT_IPC          3078         select ARCH_WANT_OLD_COMPAT_IPC
3080         select COMPAT                            3079         select COMPAT
3081         select MIPS32_COMPAT                     3080         select MIPS32_COMPAT
3082         help                                     3081         help
3083           Select this option if you want to r    3082           Select this option if you want to run o32 binaries.  These are pure
3084           32-bit binaries as used by the 32-b    3083           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3085           existing binaries are in this forma    3084           existing binaries are in this format.
3086                                                  3085 
3087           If unsure, say Y.                      3086           If unsure, say Y.
3088                                                  3087 
3089 config MIPS32_N32                                3088 config MIPS32_N32
3090         bool "Kernel support for n32 binaries    3089         bool "Kernel support for n32 binaries"
3091         depends on 64BIT                         3090         depends on 64BIT
3092         select ARCH_WANT_COMPAT_IPC_PARSE_VER    3091         select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093         select COMPAT                            3092         select COMPAT
3094         select MIPS32_COMPAT                     3093         select MIPS32_COMPAT
3095         help                                     3094         help
3096           Select this option if you want to r    3095           Select this option if you want to run n32 binaries.  These are
3097           64-bit binaries using 32-bit quanti    3096           64-bit binaries using 32-bit quantities for addressing and certain
3098           data that would normally be 64-bit.    3097           data that would normally be 64-bit.  They are used in special
3099           cases.                                 3098           cases.
3100                                                  3099 
3101           If unsure, say N.                      3100           If unsure, say N.
3102                                                  3101 
3103 config CC_HAS_MNO_BRANCH_LIKELY                  3102 config CC_HAS_MNO_BRANCH_LIKELY
3104         def_bool y                               3103         def_bool y
3105         depends on $(cc-option,-mno-branch-li    3104         depends on $(cc-option,-mno-branch-likely)
3106                                                  3105 
3107 # https://github.com/llvm/llvm-project/issues    3106 # https://github.com/llvm/llvm-project/issues/61045
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH        3107 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
3109         def_bool y if CC_IS_CLANG                3108         def_bool y if CC_IS_CLANG
3110                                                  3109 
3111 menu "Power management options"                  3110 menu "Power management options"
3112                                                  3111 
3113 config ARCH_HIBERNATION_POSSIBLE                 3112 config ARCH_HIBERNATION_POSSIBLE
3114         def_bool y                               3113         def_bool y
3115         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3114         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116                                                  3115 
3117 config ARCH_SUSPEND_POSSIBLE                     3116 config ARCH_SUSPEND_POSSIBLE
3118         def_bool y                               3117         def_bool y
3119         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3118         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120                                                  3119 
3121 source "kernel/power/Kconfig"                    3120 source "kernel/power/Kconfig"
3122                                                  3121 
3123 endmenu                                          3122 endmenu
3124                                                  3123 
3125 config MIPS_EXTERNAL_TIMER                       3124 config MIPS_EXTERNAL_TIMER
3126         bool                                     3125         bool
3127                                                  3126 
3128 menu "CPU Power Management"                      3127 menu "CPU Power Management"
3129                                                  3128 
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME    3129 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig"                 3130 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL    3131 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3133                                                  3132 
3134 source "drivers/cpuidle/Kconfig"                 3133 source "drivers/cpuidle/Kconfig"
3135                                                  3134 
3136 endmenu                                          3135 endmenu
3137                                                  3136 
3138 source "arch/mips/kvm/Kconfig"                   3137 source "arch/mips/kvm/Kconfig"
3139                                                  3138 
3140 source "arch/mips/vdso/Kconfig"                  3139 source "arch/mips/vdso/Kconfig"
                                                      

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