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TOMOYO Linux Cross Reference
Linux/arch/mips/Kconfig

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

Diff markup

Differences between /arch/mips/Kconfig (Version linux-6.12-rc7) and /arch/mips/Kconfig (Version linux-5.8.18)


  1 # SPDX-License-Identifier: GPL-2.0                  1 # SPDX-License-Identifier: GPL-2.0
  2 config MIPS                                         2 config MIPS
  3         bool                                        3         bool
  4         default y                                   4         default y
  5         select ARCH_32BIT_OFF_T if !64BIT           5         select ARCH_32BIT_OFF_T if !64BIT
  6         select ARCH_BINFMT_ELF_STATE if MIPS_F      6         select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
  7         select ARCH_HAS_CPU_CACHE_ALIASING     << 
  8         select ARCH_HAS_CPU_FINALIZE_INIT      << 
  9         select ARCH_HAS_CURRENT_STACK_POINTER  << 
 10         select ARCH_HAS_DEBUG_VIRTUAL if !64BI << 
 11         select ARCH_HAS_DMA_OPS if MACH_JAZZ   << 
 12         select ARCH_HAS_FORTIFY_SOURCE              7         select ARCH_HAS_FORTIFY_SOURCE
 13         select ARCH_HAS_KCOV                        8         select ARCH_HAS_KCOV
 14         select ARCH_HAS_NON_OVERLAPPING_ADDRES << 
 15         select ARCH_HAS_PTE_SPECIAL if !(32BIT      9         select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
 16         select ARCH_HAS_STRNCPY_FROM_USER      << 
 17         select ARCH_HAS_STRNLEN_USER           << 
 18         select ARCH_HAS_TICK_BROADCAST if GENE     10         select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 19         select ARCH_HAS_UBSAN                  !!  11         select ARCH_HAS_UBSAN_SANITIZE_ALL
 20         select ARCH_HAS_GCOV_PROFILE_ALL       !!  12         select ARCH_SUPPORTS_UPROBES
 21         select ARCH_KEEP_MEMBLOCK              << 
 22         select ARCH_USE_BUILTIN_BSWAP              13         select ARCH_USE_BUILTIN_BSWAP
 23         select ARCH_USE_CMPXCHG_LOCKREF if 64B     14         select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
 24         select ARCH_USE_MEMTEST                << 
 25         select ARCH_USE_QUEUED_RWLOCKS             15         select ARCH_USE_QUEUED_RWLOCKS
 26         select ARCH_USE_QUEUED_SPINLOCKS           16         select ARCH_USE_QUEUED_SPINLOCKS
 27         select ARCH_SUPPORTS_HUGETLBFS if CPU_ << 
 28         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_     17         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
 29         select ARCH_WANT_IPC_PARSE_VERSION         18         select ARCH_WANT_IPC_PARSE_VERSION
 30         select ARCH_WANT_LD_ORPHAN_WARN        << 
 31         select BUILDTIME_TABLE_SORT                19         select BUILDTIME_TABLE_SORT
 32         select CLONE_BACKWARDS                     20         select CLONE_BACKWARDS
 33         select CPU_NO_EFFICIENT_FFS if (TARGET     21         select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
 34         select CPU_PM if CPU_IDLE || SUSPEND   !!  22         select CPU_PM if CPU_IDLE
 35         select GENERIC_ATOMIC64 if !64BIT          23         select GENERIC_ATOMIC64 if !64BIT
                                                   >>  24         select GENERIC_CLOCKEVENTS
 36         select GENERIC_CMOS_UPDATE                 25         select GENERIC_CMOS_UPDATE
 37         select GENERIC_CPU_AUTOPROBE               26         select GENERIC_CPU_AUTOPROBE
 38         select GENERIC_GETTIMEOFDAY                27         select GENERIC_GETTIMEOFDAY
 39         select GENERIC_IOMAP                       28         select GENERIC_IOMAP
 40         select GENERIC_IRQ_PROBE                   29         select GENERIC_IRQ_PROBE
 41         select GENERIC_IRQ_SHOW                    30         select GENERIC_IRQ_SHOW
 42         select GENERIC_ISA_DMA if EISA             31         select GENERIC_ISA_DMA if EISA
 43         select GENERIC_LIB_ASHLDI3                 32         select GENERIC_LIB_ASHLDI3
 44         select GENERIC_LIB_ASHRDI3                 33         select GENERIC_LIB_ASHRDI3
 45         select GENERIC_LIB_CMPDI2                  34         select GENERIC_LIB_CMPDI2
 46         select GENERIC_LIB_LSHRDI3                 35         select GENERIC_LIB_LSHRDI3
 47         select GENERIC_LIB_UCMPDI2                 36         select GENERIC_LIB_UCMPDI2
 48         select GENERIC_SCHED_CLOCK if !CAVIUM_     37         select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 49         select GENERIC_SMP_IDLE_THREAD             38         select GENERIC_SMP_IDLE_THREAD
 50         select GENERIC_IDLE_POLL_SETUP         << 
 51         select GENERIC_TIME_VSYSCALL               39         select GENERIC_TIME_VSYSCALL
 52         select GUP_GET_PXX_LOW_HIGH if CPU_MIP !!  40         select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
 53         select HAS_IOPORT if !NO_IOPORT_MAP || !!  41         select HANDLE_DOMAIN_IRQ
 54         select HAVE_ARCH_COMPILER_H                42         select HAVE_ARCH_COMPILER_H
 55         select HAVE_ARCH_JUMP_LABEL                43         select HAVE_ARCH_JUMP_LABEL
 56         select HAVE_ARCH_KGDB if MIPS_FP_SUPPO !!  44         select HAVE_ARCH_KGDB
 57         select HAVE_ARCH_MMAP_RND_BITS if MMU      45         select HAVE_ARCH_MMAP_RND_BITS if MMU
 58         select HAVE_ARCH_MMAP_RND_COMPAT_BITS      46         select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
 59         select HAVE_ARCH_SECCOMP_FILTER            47         select HAVE_ARCH_SECCOMP_FILTER
 60         select HAVE_ARCH_TRACEHOOK                 48         select HAVE_ARCH_TRACEHOOK
 61         select HAVE_ARCH_TRANSPARENT_HUGEPAGE      49         select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
 62         select HAVE_ASM_MODVERSIONS                50         select HAVE_ASM_MODVERSIONS
 63         select HAVE_CONTEXT_TRACKING_USER      !!  51         select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
                                                   >>  52         select HAVE_CONTEXT_TRACKING
 64         select HAVE_TIF_NOHZ                       53         select HAVE_TIF_NOHZ
                                                   >>  54         select HAVE_COPY_THREAD_TLS
 65         select HAVE_C_RECORDMCOUNT                 55         select HAVE_C_RECORDMCOUNT
 66         select HAVE_DEBUG_KMEMLEAK                 56         select HAVE_DEBUG_KMEMLEAK
 67         select HAVE_DEBUG_STACKOVERFLOW            57         select HAVE_DEBUG_STACKOVERFLOW
 68         select HAVE_DMA_CONTIGUOUS                 58         select HAVE_DMA_CONTIGUOUS
 69         select HAVE_DYNAMIC_FTRACE                 59         select HAVE_DYNAMIC_FTRACE
 70         select HAVE_EBPF_JIT if !CPU_MICROMIPS !!  60         select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
 71         select HAVE_EXIT_THREAD                    61         select HAVE_EXIT_THREAD
 72         select HAVE_GUP_FAST                   !!  62         select HAVE_FAST_GUP
 73         select HAVE_FTRACE_MCOUNT_RECORD           63         select HAVE_FTRACE_MCOUNT_RECORD
 74         select HAVE_FUNCTION_GRAPH_TRACER          64         select HAVE_FUNCTION_GRAPH_TRACER
 75         select HAVE_FUNCTION_TRACER                65         select HAVE_FUNCTION_TRACER
 76         select HAVE_GCC_PLUGINS                    66         select HAVE_GCC_PLUGINS
 77         select HAVE_GENERIC_VDSO                   67         select HAVE_GENERIC_VDSO
                                                   >>  68         select HAVE_IDE
 78         select HAVE_IOREMAP_PROT                   69         select HAVE_IOREMAP_PROT
 79         select HAVE_IRQ_EXIT_ON_IRQ_STACK          70         select HAVE_IRQ_EXIT_ON_IRQ_STACK
 80         select HAVE_IRQ_TIME_ACCOUNTING            71         select HAVE_IRQ_TIME_ACCOUNTING
 81         select HAVE_KPROBES                        72         select HAVE_KPROBES
 82         select HAVE_KRETPROBES                     73         select HAVE_KRETPROBES
 83         select HAVE_LD_DEAD_CODE_DATA_ELIMINAT     74         select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
 84         select HAVE_MOD_ARCH_SPECIFIC              75         select HAVE_MOD_ARCH_SPECIFIC
 85         select HAVE_NMI                            76         select HAVE_NMI
 86         select HAVE_PAGE_SIZE_4KB if !CPU_LOON !!  77         select HAVE_OPROFILE
 87         select HAVE_PAGE_SIZE_16KB if !CPU_R30 << 
 88         select HAVE_PAGE_SIZE_64KB if !CPU_R30 << 
 89         select HAVE_PERF_EVENTS                    78         select HAVE_PERF_EVENTS
 90         select HAVE_PERF_REGS                  << 
 91         select HAVE_PERF_USER_STACK_DUMP       << 
 92         select HAVE_REGS_AND_STACK_ACCESS_API      79         select HAVE_REGS_AND_STACK_ACCESS_API
 93         select HAVE_RSEQ                           80         select HAVE_RSEQ
 94         select HAVE_SPARSE_SYSCALL_NR              81         select HAVE_SPARSE_SYSCALL_NR
 95         select HAVE_STACKPROTECTOR                 82         select HAVE_STACKPROTECTOR
 96         select HAVE_SYSCALL_TRACEPOINTS            83         select HAVE_SYSCALL_TRACEPOINTS
 97         select HAVE_VIRT_CPU_ACCOUNTING_GEN if     84         select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
 98         select IRQ_FORCED_THREADING                85         select IRQ_FORCED_THREADING
 99         select ISA if EISA                         86         select ISA if EISA
100         select LOCK_MM_AND_FIND_VMA            << 
101         select MODULES_USE_ELF_REL if MODULES      87         select MODULES_USE_ELF_REL if MODULES
102         select MODULES_USE_ELF_RELA if MODULES     88         select MODULES_USE_ELF_RELA if MODULES && 64BIT
103         select PERF_USE_VMALLOC                    89         select PERF_USE_VMALLOC
104         select PCI_MSI_ARCH_FALLBACKS if PCI_M << 
105         select RTC_LIB                             90         select RTC_LIB
106         select SYSCTL_EXCEPTION_TRACE              91         select SYSCTL_EXCEPTION_TRACE
107         select TRACE_IRQFLAGS_SUPPORT          !!  92         select VIRT_TO_BUS
108         select ARCH_HAS_ELFCORE_COMPAT         << 
109         select HAVE_ARCH_KCSAN if 64BIT        << 
110                                                    93 
111 config MIPS_FIXUP_BIGPHYS_ADDR                     94 config MIPS_FIXUP_BIGPHYS_ADDR
112         bool                                       95         bool
113                                                    96 
114 config MIPS_GENERIC                            << 
115         bool                                   << 
116                                                << 
117 config MACH_GENERIC_CORE                       << 
118         bool                                   << 
119                                                << 
120 config MACH_INGENIC                            << 
121         bool                                   << 
122         select SYS_SUPPORTS_32BIT_KERNEL       << 
123         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
124         select SYS_SUPPORTS_ZBOOT              << 
125         select DMA_NONCOHERENT                 << 
126         select IRQ_MIPS_CPU                    << 
127         select PINCTRL                         << 
128         select GPIOLIB                         << 
129         select COMMON_CLK                      << 
130         select GENERIC_IRQ_CHIP                << 
131         select BUILTIN_DTB if MIPS_NO_APPENDED << 
132         select USE_OF                          << 
133         select CPU_SUPPORTS_CPUFREQ            << 
134         select MIPS_EXTERNAL_TIMER             << 
135                                                << 
136 menu "Machine selection"                           97 menu "Machine selection"
137                                                    98 
138 choice                                             99 choice
139         prompt "System type"                      100         prompt "System type"
140         default MIPS_GENERIC_KERNEL            !! 101         default MIPS_GENERIC
141                                                   102 
142 config MIPS_GENERIC_KERNEL                     !! 103 config MIPS_GENERIC
143         bool "Generic board-agnostic MIPS kern    104         bool "Generic board-agnostic MIPS kernel"
144         select MIPS_GENERIC                    << 
145         select BOOT_RAW                           105         select BOOT_RAW
146         select BUILTIN_DTB                        106         select BUILTIN_DTB
147         select CEVT_R4K                           107         select CEVT_R4K
148         select CLKSRC_MIPS_GIC                    108         select CLKSRC_MIPS_GIC
149         select COMMON_CLK                         109         select COMMON_CLK
150         select CPU_MIPSR2_IRQ_EI                  110         select CPU_MIPSR2_IRQ_EI
151         select CPU_MIPSR2_IRQ_VI                  111         select CPU_MIPSR2_IRQ_VI
152         select CSRC_R4K                           112         select CSRC_R4K
153         select DMA_NONCOHERENT                 !! 113         select DMA_PERDEV_COHERENT
154         select HAVE_PCI                           114         select HAVE_PCI
155         select IRQ_MIPS_CPU                       115         select IRQ_MIPS_CPU
156         select MACH_GENERIC_CORE               << 
157         select MIPS_AUTO_PFN_OFFSET               116         select MIPS_AUTO_PFN_OFFSET
158         select MIPS_CPU_SCACHE                    117         select MIPS_CPU_SCACHE
159         select MIPS_GIC                           118         select MIPS_GIC
160         select MIPS_L1_CACHE_SHIFT_7              119         select MIPS_L1_CACHE_SHIFT_7
161         select NO_EXCEPT_FILL                     120         select NO_EXCEPT_FILL
162         select PCI_DRIVERS_GENERIC                121         select PCI_DRIVERS_GENERIC
163         select SMP_UP if SMP                      122         select SMP_UP if SMP
164         select SWAP_IO_SPACE                      123         select SWAP_IO_SPACE
165         select SYS_HAS_CPU_MIPS32_R1              124         select SYS_HAS_CPU_MIPS32_R1
166         select SYS_HAS_CPU_MIPS32_R2              125         select SYS_HAS_CPU_MIPS32_R2
167         select SYS_HAS_CPU_MIPS32_R5           << 
168         select SYS_HAS_CPU_MIPS32_R6              126         select SYS_HAS_CPU_MIPS32_R6
169         select SYS_HAS_CPU_MIPS64_R1              127         select SYS_HAS_CPU_MIPS64_R1
170         select SYS_HAS_CPU_MIPS64_R2              128         select SYS_HAS_CPU_MIPS64_R2
171         select SYS_HAS_CPU_MIPS64_R5           << 
172         select SYS_HAS_CPU_MIPS64_R6              129         select SYS_HAS_CPU_MIPS64_R6
173         select SYS_SUPPORTS_32BIT_KERNEL          130         select SYS_SUPPORTS_32BIT_KERNEL
174         select SYS_SUPPORTS_64BIT_KERNEL          131         select SYS_SUPPORTS_64BIT_KERNEL
175         select SYS_SUPPORTS_BIG_ENDIAN            132         select SYS_SUPPORTS_BIG_ENDIAN
176         select SYS_SUPPORTS_HIGHMEM               133         select SYS_SUPPORTS_HIGHMEM
177         select SYS_SUPPORTS_LITTLE_ENDIAN         134         select SYS_SUPPORTS_LITTLE_ENDIAN
178         select SYS_SUPPORTS_MICROMIPS             135         select SYS_SUPPORTS_MICROMIPS
179         select SYS_SUPPORTS_MIPS16                136         select SYS_SUPPORTS_MIPS16
180         select SYS_SUPPORTS_MIPS_CPS              137         select SYS_SUPPORTS_MIPS_CPS
181         select SYS_SUPPORTS_MULTITHREADING        138         select SYS_SUPPORTS_MULTITHREADING
182         select SYS_SUPPORTS_RELOCATABLE           139         select SYS_SUPPORTS_RELOCATABLE
183         select SYS_SUPPORTS_SMARTMIPS             140         select SYS_SUPPORTS_SMARTMIPS
184         select SYS_SUPPORTS_ZBOOT              << 
185         select UHI_BOOT                           141         select UHI_BOOT
186         select USB_EHCI_BIG_ENDIAN_DESC if CPU    142         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
187         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    143         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
188         select USB_OHCI_BIG_ENDIAN_DESC if CPU    144         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
189         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    145         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
190         select USB_UHCI_BIG_ENDIAN_DESC if CPU    146         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
191         select USB_UHCI_BIG_ENDIAN_MMIO if CPU    147         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
192         select USE_OF                             148         select USE_OF
193         help                                      149         help
194           Select this to build a kernel which     150           Select this to build a kernel which aims to support multiple boards,
195           generally using a flattened device t    151           generally using a flattened device tree passed from the bootloader
196           using the boot protocol defined in t    152           using the boot protocol defined in the UHI (Unified Hosting
197           Interface) specification.               153           Interface) specification.
198                                                   154 
199 config MIPS_ALCHEMY                               155 config MIPS_ALCHEMY
200         bool "Alchemy processor based machines    156         bool "Alchemy processor based machines"
201         select PHYS_ADDR_T_64BIT                  157         select PHYS_ADDR_T_64BIT
202         select CEVT_R4K                           158         select CEVT_R4K
203         select CSRC_R4K                           159         select CSRC_R4K
204         select IRQ_MIPS_CPU                       160         select IRQ_MIPS_CPU
205         select DMA_NONCOHERENT          # Au10 !! 161         select DMA_MAYBE_COHERENT       # Au1000,1500,1100 aren't, rest is
206         select MIPS_FIXUP_BIGPHYS_ADDR if PCI     162         select MIPS_FIXUP_BIGPHYS_ADDR if PCI
207         select SYS_HAS_CPU_MIPS32_R1              163         select SYS_HAS_CPU_MIPS32_R1
208         select SYS_SUPPORTS_32BIT_KERNEL          164         select SYS_SUPPORTS_32BIT_KERNEL
209         select SYS_SUPPORTS_APM_EMULATION         165         select SYS_SUPPORTS_APM_EMULATION
210         select GPIOLIB                            166         select GPIOLIB
211         select SYS_SUPPORTS_ZBOOT                 167         select SYS_SUPPORTS_ZBOOT
212         select COMMON_CLK                         168         select COMMON_CLK
213                                                   169 
                                                   >> 170 config AR7
                                                   >> 171         bool "Texas Instruments AR7"
                                                   >> 172         select BOOT_ELF32
                                                   >> 173         select DMA_NONCOHERENT
                                                   >> 174         select CEVT_R4K
                                                   >> 175         select CSRC_R4K
                                                   >> 176         select IRQ_MIPS_CPU
                                                   >> 177         select NO_EXCEPT_FILL
                                                   >> 178         select SWAP_IO_SPACE
                                                   >> 179         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 180         select SYS_HAS_EARLY_PRINTK
                                                   >> 181         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 182         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 183         select SYS_SUPPORTS_MIPS16
                                                   >> 184         select SYS_SUPPORTS_ZBOOT_UART16550
                                                   >> 185         select GPIOLIB
                                                   >> 186         select VLYNQ
                                                   >> 187         select HAVE_LEGACY_CLK
                                                   >> 188         help
                                                   >> 189           Support for the Texas Instruments AR7 System-on-a-Chip
                                                   >> 190           family: TNETD7100, 7200 and 7300.
                                                   >> 191 
214 config ATH25                                      192 config ATH25
215         bool "Atheros AR231x/AR531x SoC suppor    193         bool "Atheros AR231x/AR531x SoC support"
216         select CEVT_R4K                           194         select CEVT_R4K
217         select CSRC_R4K                           195         select CSRC_R4K
218         select DMA_NONCOHERENT                    196         select DMA_NONCOHERENT
219         select IRQ_MIPS_CPU                       197         select IRQ_MIPS_CPU
220         select IRQ_DOMAIN                         198         select IRQ_DOMAIN
221         select SYS_HAS_CPU_MIPS32_R1              199         select SYS_HAS_CPU_MIPS32_R1
222         select SYS_SUPPORTS_BIG_ENDIAN            200         select SYS_SUPPORTS_BIG_ENDIAN
223         select SYS_SUPPORTS_32BIT_KERNEL          201         select SYS_SUPPORTS_32BIT_KERNEL
224         select SYS_HAS_EARLY_PRINTK               202         select SYS_HAS_EARLY_PRINTK
225         help                                      203         help
226           Support for Atheros AR231x and Ather    204           Support for Atheros AR231x and Atheros AR531x based boards
227                                                   205 
228 config ATH79                                      206 config ATH79
229         bool "Atheros AR71XX/AR724X/AR913X bas    207         bool "Atheros AR71XX/AR724X/AR913X based boards"
230         select ARCH_HAS_RESET_CONTROLLER          208         select ARCH_HAS_RESET_CONTROLLER
231         select BOOT_RAW                           209         select BOOT_RAW
232         select CEVT_R4K                           210         select CEVT_R4K
233         select CSRC_R4K                           211         select CSRC_R4K
234         select DMA_NONCOHERENT                    212         select DMA_NONCOHERENT
235         select GPIOLIB                            213         select GPIOLIB
236         select PINCTRL                            214         select PINCTRL
237         select COMMON_CLK                         215         select COMMON_CLK
238         select IRQ_MIPS_CPU                       216         select IRQ_MIPS_CPU
239         select SYS_HAS_CPU_MIPS32_R2              217         select SYS_HAS_CPU_MIPS32_R2
240         select SYS_HAS_EARLY_PRINTK               218         select SYS_HAS_EARLY_PRINTK
241         select SYS_SUPPORTS_32BIT_KERNEL          219         select SYS_SUPPORTS_32BIT_KERNEL
242         select SYS_SUPPORTS_BIG_ENDIAN            220         select SYS_SUPPORTS_BIG_ENDIAN
243         select SYS_SUPPORTS_MIPS16                221         select SYS_SUPPORTS_MIPS16
244         select SYS_SUPPORTS_ZBOOT_UART_PROM       222         select SYS_SUPPORTS_ZBOOT_UART_PROM
245         select USE_OF                             223         select USE_OF
246         select USB_EHCI_ROOT_HUB_TT if USB_EHC    224         select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
247         help                                      225         help
248           Support for the Atheros AR71XX/AR724    226           Support for the Atheros AR71XX/AR724X/AR913X SoCs.
249                                                   227 
250 config BMIPS_GENERIC                              228 config BMIPS_GENERIC
251         bool "Broadcom Generic BMIPS kernel"      229         bool "Broadcom Generic BMIPS kernel"
252         select ARCH_HAS_RESET_CONTROLLER       << 
253         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL      230         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
                                                   >> 231         select ARCH_HAS_PHYS_TO_DMA
254         select BOOT_RAW                           232         select BOOT_RAW
255         select NO_EXCEPT_FILL                     233         select NO_EXCEPT_FILL
256         select USE_OF                             234         select USE_OF
257         select CEVT_R4K                           235         select CEVT_R4K
258         select CSRC_R4K                           236         select CSRC_R4K
259         select SYNC_R4K                           237         select SYNC_R4K
260         select COMMON_CLK                         238         select COMMON_CLK
261         select BCM6345_L1_IRQ                     239         select BCM6345_L1_IRQ
262         select BCM7038_L1_IRQ                     240         select BCM7038_L1_IRQ
263         select BCM7120_L2_IRQ                     241         select BCM7120_L2_IRQ
264         select BRCMSTB_L2_IRQ                     242         select BRCMSTB_L2_IRQ
265         select IRQ_MIPS_CPU                       243         select IRQ_MIPS_CPU
266         select DMA_NONCOHERENT                    244         select DMA_NONCOHERENT
267         select SYS_SUPPORTS_32BIT_KERNEL          245         select SYS_SUPPORTS_32BIT_KERNEL
268         select SYS_SUPPORTS_LITTLE_ENDIAN         246         select SYS_SUPPORTS_LITTLE_ENDIAN
269         select SYS_SUPPORTS_BIG_ENDIAN            247         select SYS_SUPPORTS_BIG_ENDIAN
270         select SYS_SUPPORTS_HIGHMEM               248         select SYS_SUPPORTS_HIGHMEM
271         select SYS_HAS_CPU_BMIPS32_3300           249         select SYS_HAS_CPU_BMIPS32_3300
272         select SYS_HAS_CPU_BMIPS4350              250         select SYS_HAS_CPU_BMIPS4350
273         select SYS_HAS_CPU_BMIPS4380              251         select SYS_HAS_CPU_BMIPS4380
274         select SYS_HAS_CPU_BMIPS5000              252         select SYS_HAS_CPU_BMIPS5000
275         select SWAP_IO_SPACE                      253         select SWAP_IO_SPACE
276         select USB_EHCI_BIG_ENDIAN_DESC if CPU    254         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
277         select USB_EHCI_BIG_ENDIAN_MMIO if CPU    255         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
278         select USB_OHCI_BIG_ENDIAN_DESC if CPU    256         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
279         select USB_OHCI_BIG_ENDIAN_MMIO if CPU    257         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
280         select HARDIRQS_SW_RESEND                 258         select HARDIRQS_SW_RESEND
281         select HAVE_PCI                        << 
282         select PCI_DRIVERS_GENERIC             << 
283         select FW_CFE                          << 
284         help                                      259         help
285           Build a generic DT-based kernel imag    260           Build a generic DT-based kernel image that boots on select
286           BCM33xx cable modem chips, BCM63xx D    261           BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
287           box chips.  Note that CONFIG_CPU_BIG    262           box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
288           must be set appropriately for your b    263           must be set appropriately for your board.
289                                                   264 
290 config BCM47XX                                    265 config BCM47XX
291         bool "Broadcom BCM47XX based boards"      266         bool "Broadcom BCM47XX based boards"
292         select BOOT_RAW                           267         select BOOT_RAW
293         select CEVT_R4K                           268         select CEVT_R4K
294         select CSRC_R4K                           269         select CSRC_R4K
295         select DMA_NONCOHERENT                    270         select DMA_NONCOHERENT
296         select HAVE_PCI                           271         select HAVE_PCI
297         select IRQ_MIPS_CPU                       272         select IRQ_MIPS_CPU
298         select SYS_HAS_CPU_MIPS32_R1              273         select SYS_HAS_CPU_MIPS32_R1
299         select NO_EXCEPT_FILL                     274         select NO_EXCEPT_FILL
300         select SYS_SUPPORTS_32BIT_KERNEL          275         select SYS_SUPPORTS_32BIT_KERNEL
301         select SYS_SUPPORTS_LITTLE_ENDIAN         276         select SYS_SUPPORTS_LITTLE_ENDIAN
302         select SYS_SUPPORTS_MIPS16                277         select SYS_SUPPORTS_MIPS16
303         select SYS_SUPPORTS_ZBOOT                 278         select SYS_SUPPORTS_ZBOOT
304         select SYS_HAS_EARLY_PRINTK               279         select SYS_HAS_EARLY_PRINTK
305         select USE_GENERIC_EARLY_PRINTK_8250      280         select USE_GENERIC_EARLY_PRINTK_8250
306         select GPIOLIB                            281         select GPIOLIB
307         select LEDS_GPIO_REGISTER                 282         select LEDS_GPIO_REGISTER
308         select BCM47XX_NVRAM                      283         select BCM47XX_NVRAM
309         select BCM47XX_SPROM                      284         select BCM47XX_SPROM
310         select BCM47XX_SSB if !BCM47XX_BCMA       285         select BCM47XX_SSB if !BCM47XX_BCMA
311         help                                      286         help
312           Support for BCM47XX based boards        287           Support for BCM47XX based boards
313                                                   288 
314 config BCM63XX                                    289 config BCM63XX
315         bool "Broadcom BCM63XX based boards"      290         bool "Broadcom BCM63XX based boards"
316         select BOOT_RAW                           291         select BOOT_RAW
317         select CEVT_R4K                           292         select CEVT_R4K
318         select CSRC_R4K                           293         select CSRC_R4K
319         select SYNC_R4K                           294         select SYNC_R4K
320         select DMA_NONCOHERENT                    295         select DMA_NONCOHERENT
321         select IRQ_MIPS_CPU                       296         select IRQ_MIPS_CPU
322         select SYS_SUPPORTS_32BIT_KERNEL          297         select SYS_SUPPORTS_32BIT_KERNEL
323         select SYS_SUPPORTS_BIG_ENDIAN            298         select SYS_SUPPORTS_BIG_ENDIAN
324         select SYS_HAS_EARLY_PRINTK               299         select SYS_HAS_EARLY_PRINTK
325         select SYS_HAS_CPU_BMIPS32_3300        << 
326         select SYS_HAS_CPU_BMIPS4350           << 
327         select SYS_HAS_CPU_BMIPS4380           << 
328         select SWAP_IO_SPACE                      300         select SWAP_IO_SPACE
329         select GPIOLIB                            301         select GPIOLIB
330         select MIPS_L1_CACHE_SHIFT_4              302         select MIPS_L1_CACHE_SHIFT_4
                                                   >> 303         select CLKDEV_LOOKUP
331         select HAVE_LEGACY_CLK                    304         select HAVE_LEGACY_CLK
332         help                                      305         help
333           Support for BCM63XX based boards        306           Support for BCM63XX based boards
334                                                   307 
335 config MIPS_COBALT                                308 config MIPS_COBALT
336         bool "Cobalt Server"                      309         bool "Cobalt Server"
337         select CEVT_R4K                           310         select CEVT_R4K
338         select CSRC_R4K                           311         select CSRC_R4K
339         select CEVT_GT641XX                       312         select CEVT_GT641XX
340         select DMA_NONCOHERENT                    313         select DMA_NONCOHERENT
341         select FORCE_PCI                          314         select FORCE_PCI
342         select I8253                              315         select I8253
343         select I8259                              316         select I8259
344         select IRQ_MIPS_CPU                       317         select IRQ_MIPS_CPU
345         select IRQ_GT641XX                        318         select IRQ_GT641XX
346         select PCI_GT64XXX_PCI0                   319         select PCI_GT64XXX_PCI0
347         select SYS_HAS_CPU_NEVADA                 320         select SYS_HAS_CPU_NEVADA
348         select SYS_HAS_EARLY_PRINTK               321         select SYS_HAS_EARLY_PRINTK
349         select SYS_SUPPORTS_32BIT_KERNEL          322         select SYS_SUPPORTS_32BIT_KERNEL
350         select SYS_SUPPORTS_64BIT_KERNEL          323         select SYS_SUPPORTS_64BIT_KERNEL
351         select SYS_SUPPORTS_LITTLE_ENDIAN         324         select SYS_SUPPORTS_LITTLE_ENDIAN
352         select USE_GENERIC_EARLY_PRINTK_8250      325         select USE_GENERIC_EARLY_PRINTK_8250
353                                                   326 
354 config MACH_DECSTATION                            327 config MACH_DECSTATION
355         bool "DECstations"                        328         bool "DECstations"
356         select BOOT_ELF32                         329         select BOOT_ELF32
357         select CEVT_DS1287                        330         select CEVT_DS1287
358         select CEVT_R4K if CPU_R4X00              331         select CEVT_R4K if CPU_R4X00
359         select CSRC_IOASIC                        332         select CSRC_IOASIC
360         select CSRC_R4K if CPU_R4X00              333         select CSRC_R4K if CPU_R4X00
361         select CPU_DADDI_WORKAROUNDS if 64BIT     334         select CPU_DADDI_WORKAROUNDS if 64BIT
362         select CPU_R4000_WORKAROUNDS if 64BIT     335         select CPU_R4000_WORKAROUNDS if 64BIT
363         select CPU_R4400_WORKAROUNDS if 64BIT     336         select CPU_R4400_WORKAROUNDS if 64BIT
364         select DMA_NONCOHERENT                    337         select DMA_NONCOHERENT
365         select NO_IOPORT_MAP                      338         select NO_IOPORT_MAP
366         select IRQ_MIPS_CPU                       339         select IRQ_MIPS_CPU
367         select SYS_HAS_CPU_R3000                  340         select SYS_HAS_CPU_R3000
368         select SYS_HAS_CPU_R4X00                  341         select SYS_HAS_CPU_R4X00
369         select SYS_SUPPORTS_32BIT_KERNEL          342         select SYS_SUPPORTS_32BIT_KERNEL
370         select SYS_SUPPORTS_64BIT_KERNEL          343         select SYS_SUPPORTS_64BIT_KERNEL
371         select SYS_SUPPORTS_LITTLE_ENDIAN         344         select SYS_SUPPORTS_LITTLE_ENDIAN
372         select SYS_SUPPORTS_128HZ                 345         select SYS_SUPPORTS_128HZ
373         select SYS_SUPPORTS_256HZ                 346         select SYS_SUPPORTS_256HZ
374         select SYS_SUPPORTS_1024HZ                347         select SYS_SUPPORTS_1024HZ
375         select MIPS_L1_CACHE_SHIFT_4              348         select MIPS_L1_CACHE_SHIFT_4
376         help                                      349         help
377           This enables support for DEC's MIPS     350           This enables support for DEC's MIPS based workstations.  For details
378           see the Linux/MIPS FAQ on <http://ww    351           see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379           DECstation porting pages on <http://    352           DECstation porting pages on <http://decstation.unix-ag.org/>.
380                                                   353 
381           If you have one of the following DEC    354           If you have one of the following DECstation Models you definitely
382           want to choose R4xx0 for the CPU Typ    355           want to choose R4xx0 for the CPU Type:
383                                                   356 
384                 DECstation 5000/50                357                 DECstation 5000/50
385                 DECstation 5000/150               358                 DECstation 5000/150
386                 DECstation 5000/260               359                 DECstation 5000/260
387                 DECsystem 5900/260                360                 DECsystem 5900/260
388                                                   361 
389           otherwise choose R3000.                 362           otherwise choose R3000.
390                                                   363 
391 config MACH_JAZZ                                  364 config MACH_JAZZ
392         bool "Jazz family of machines"            365         bool "Jazz family of machines"
393         select ARC_MEMORY                         366         select ARC_MEMORY
394         select ARC_PROMLIB                        367         select ARC_PROMLIB
395         select ARCH_MIGHT_HAVE_PC_PARPORT         368         select ARCH_MIGHT_HAVE_PC_PARPORT
396         select ARCH_MIGHT_HAVE_PC_SERIO           369         select ARCH_MIGHT_HAVE_PC_SERIO
397         select FW_ARC                             370         select FW_ARC
398         select FW_ARC32                           371         select FW_ARC32
399         select ARCH_MAY_HAVE_PC_FDC               372         select ARCH_MAY_HAVE_PC_FDC
400         select CEVT_R4K                           373         select CEVT_R4K
401         select CSRC_R4K                           374         select CSRC_R4K
402         select DEFAULT_SGI_PARTITION if CPU_BI    375         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403         select GENERIC_ISA_DMA                    376         select GENERIC_ISA_DMA
404         select HAVE_PCSPKR_PLATFORM               377         select HAVE_PCSPKR_PLATFORM
405         select IRQ_MIPS_CPU                       378         select IRQ_MIPS_CPU
406         select I8253                              379         select I8253
407         select I8259                              380         select I8259
408         select ISA                                381         select ISA
409         select SYS_HAS_CPU_R4X00                  382         select SYS_HAS_CPU_R4X00
410         select SYS_SUPPORTS_32BIT_KERNEL          383         select SYS_SUPPORTS_32BIT_KERNEL
411         select SYS_SUPPORTS_64BIT_KERNEL          384         select SYS_SUPPORTS_64BIT_KERNEL
412         select SYS_SUPPORTS_100HZ                 385         select SYS_SUPPORTS_100HZ
413         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
414         help                                      386         help
415           This a family of machines based on t    387           This a family of machines based on the MIPS R4030 chipset which was
416           used by several vendors to build RIS    388           used by several vendors to build RISC/os and Windows NT workstations.
417           Members include the Acer PICA, MIPS     389           Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418           Olivetti M700-10 workstations.          390           Olivetti M700-10 workstations.
419                                                   391 
420 config MACH_INGENIC_SOC                        !! 392 config MACH_INGENIC
421         bool "Ingenic SoC based machines"         393         bool "Ingenic SoC based machines"
422         select MIPS_GENERIC                    !! 394         select SYS_SUPPORTS_32BIT_KERNEL
423         select MACH_INGENIC                    !! 395         select SYS_SUPPORTS_LITTLE_ENDIAN
424         select MACH_GENERIC_CORE               << 
425         select SYS_SUPPORTS_ZBOOT_UART16550       396         select SYS_SUPPORTS_ZBOOT_UART16550
426         select CPU_SUPPORTS_CPUFREQ            !! 397         select CPU_SUPPORTS_HUGEPAGES
427         select MIPS_EXTERNAL_TIMER             !! 398         select DMA_NONCOHERENT
                                                   >> 399         select IRQ_MIPS_CPU
                                                   >> 400         select PINCTRL
                                                   >> 401         select GPIOLIB
                                                   >> 402         select COMMON_CLK
                                                   >> 403         select GENERIC_IRQ_CHIP
                                                   >> 404         select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
                                                   >> 405         select USE_OF
428                                                   406 
429 config LANTIQ                                     407 config LANTIQ
430         bool "Lantiq based platforms"             408         bool "Lantiq based platforms"
431         select DMA_NONCOHERENT                    409         select DMA_NONCOHERENT
432         select IRQ_MIPS_CPU                       410         select IRQ_MIPS_CPU
433         select CEVT_R4K                           411         select CEVT_R4K
434         select CSRC_R4K                           412         select CSRC_R4K
435         select NO_EXCEPT_FILL                  << 
436         select SYS_HAS_CPU_MIPS32_R1              413         select SYS_HAS_CPU_MIPS32_R1
437         select SYS_HAS_CPU_MIPS32_R2              414         select SYS_HAS_CPU_MIPS32_R2
438         select SYS_SUPPORTS_BIG_ENDIAN            415         select SYS_SUPPORTS_BIG_ENDIAN
439         select SYS_SUPPORTS_32BIT_KERNEL          416         select SYS_SUPPORTS_32BIT_KERNEL
440         select SYS_SUPPORTS_MIPS16                417         select SYS_SUPPORTS_MIPS16
441         select SYS_SUPPORTS_MULTITHREADING        418         select SYS_SUPPORTS_MULTITHREADING
442         select SYS_SUPPORTS_VPE_LOADER            419         select SYS_SUPPORTS_VPE_LOADER
443         select SYS_HAS_EARLY_PRINTK               420         select SYS_HAS_EARLY_PRINTK
444         select GPIOLIB                            421         select GPIOLIB
445         select SWAP_IO_SPACE                      422         select SWAP_IO_SPACE
446         select BOOT_RAW                           423         select BOOT_RAW
                                                   >> 424         select CLKDEV_LOOKUP
447         select HAVE_LEGACY_CLK                    425         select HAVE_LEGACY_CLK
448         select USE_OF                             426         select USE_OF
449         select PINCTRL                            427         select PINCTRL
450         select PINCTRL_LANTIQ                     428         select PINCTRL_LANTIQ
451         select ARCH_HAS_RESET_CONTROLLER          429         select ARCH_HAS_RESET_CONTROLLER
452         select RESET_CONTROLLER                   430         select RESET_CONTROLLER
453                                                   431 
454 config MACH_LOONGSON32                            432 config MACH_LOONGSON32
455         bool "Loongson 32-bit family of machin    433         bool "Loongson 32-bit family of machines"
456         select SYS_SUPPORTS_ZBOOT                 434         select SYS_SUPPORTS_ZBOOT
457         help                                      435         help
458           This enables support for the Loongso    436           This enables support for the Loongson-1 family of machines.
459                                                   437 
460           Loongson-1 is a family of 32-bit MIP    438           Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
461           the Institute of Computing Technolog    439           the Institute of Computing Technology (ICT), Chinese Academy of
462           Sciences (CAS).                         440           Sciences (CAS).
463                                                   441 
464 config MACH_LOONGSON2EF                           442 config MACH_LOONGSON2EF
465         bool "Loongson-2E/F family of machines    443         bool "Loongson-2E/F family of machines"
466         select SYS_SUPPORTS_ZBOOT                 444         select SYS_SUPPORTS_ZBOOT
467         help                                      445         help
468           This enables the support of early Lo    446           This enables the support of early Loongson-2E/F family of machines.
469                                                   447 
470 config MACH_LOONGSON64                            448 config MACH_LOONGSON64
471         bool "Loongson 64-bit family of machin    449         bool "Loongson 64-bit family of machines"
472         select ARCH_DMA_DEFAULT_COHERENT       << 
473         select ARCH_SPARSEMEM_ENABLE              450         select ARCH_SPARSEMEM_ENABLE
474         select ARCH_MIGHT_HAVE_PC_PARPORT         451         select ARCH_MIGHT_HAVE_PC_PARPORT
475         select ARCH_MIGHT_HAVE_PC_SERIO           452         select ARCH_MIGHT_HAVE_PC_SERIO
476         select GENERIC_ISA_DMA_SUPPORT_BROKEN     453         select GENERIC_ISA_DMA_SUPPORT_BROKEN
477         select BOOT_ELF32                         454         select BOOT_ELF32
478         select BOARD_SCACHE                       455         select BOARD_SCACHE
479         select CSRC_R4K                           456         select CSRC_R4K
480         select CEVT_R4K                           457         select CEVT_R4K
481         select SYNC_R4K                        !! 458         select CPU_HAS_WB
482         select FORCE_PCI                          459         select FORCE_PCI
483         select ISA                                460         select ISA
484         select I8259                              461         select I8259
485         select IRQ_MIPS_CPU                       462         select IRQ_MIPS_CPU
486         select NO_EXCEPT_FILL                     463         select NO_EXCEPT_FILL
487         select NR_CPUS_DEFAULT_64                 464         select NR_CPUS_DEFAULT_64
488         select USE_GENERIC_EARLY_PRINTK_8250      465         select USE_GENERIC_EARLY_PRINTK_8250
489         select PCI_DRIVERS_GENERIC                466         select PCI_DRIVERS_GENERIC
490         select SYS_HAS_CPU_LOONGSON64             467         select SYS_HAS_CPU_LOONGSON64
491         select SYS_HAS_EARLY_PRINTK               468         select SYS_HAS_EARLY_PRINTK
492         select SYS_SUPPORTS_SMP                   469         select SYS_SUPPORTS_SMP
493         select SYS_SUPPORTS_HOTPLUG_CPU           470         select SYS_SUPPORTS_HOTPLUG_CPU
494         select SYS_SUPPORTS_NUMA                  471         select SYS_SUPPORTS_NUMA
495         select SYS_SUPPORTS_64BIT_KERNEL          472         select SYS_SUPPORTS_64BIT_KERNEL
496         select SYS_SUPPORTS_HIGHMEM               473         select SYS_SUPPORTS_HIGHMEM
497         select SYS_SUPPORTS_LITTLE_ENDIAN         474         select SYS_SUPPORTS_LITTLE_ENDIAN
498         select SYS_SUPPORTS_ZBOOT                 475         select SYS_SUPPORTS_ZBOOT
499         select SYS_SUPPORTS_RELOCATABLE        << 
500         select ZONE_DMA32                         476         select ZONE_DMA32
                                                   >> 477         select NUMA
501         select COMMON_CLK                         478         select COMMON_CLK
502         select USE_OF                             479         select USE_OF
503         select BUILTIN_DTB                        480         select BUILTIN_DTB
504         select PCI_HOST_GENERIC                << 
505         help                                      481         help
506           This enables the support of Loongson    482           This enables the support of Loongson-2/3 family of machines.
507                                                   483 
508           Loongson-2 and Loongson-3 are 64-bit    484           Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
509           GS264/GS464/GS464E/GS464V microarchi    485           GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
510           and Loongson-2F which will be remove    486           and Loongson-2F which will be removed), developed by the Institute
511           of Computing Technology (ICT), Chine    487           of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
512                                                   488 
                                                   >> 489 config MACH_PISTACHIO
                                                   >> 490         bool "IMG Pistachio SoC based boards"
                                                   >> 491         select BOOT_ELF32
                                                   >> 492         select BOOT_RAW
                                                   >> 493         select CEVT_R4K
                                                   >> 494         select CLKSRC_MIPS_GIC
                                                   >> 495         select COMMON_CLK
                                                   >> 496         select CSRC_R4K
                                                   >> 497         select DMA_NONCOHERENT
                                                   >> 498         select GPIOLIB
                                                   >> 499         select IRQ_MIPS_CPU
                                                   >> 500         select MFD_SYSCON
                                                   >> 501         select MIPS_CPU_SCACHE
                                                   >> 502         select MIPS_GIC
                                                   >> 503         select PINCTRL
                                                   >> 504         select REGULATOR
                                                   >> 505         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 506         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 507         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 508         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 509         select SYS_SUPPORTS_MULTITHREADING
                                                   >> 510         select SYS_SUPPORTS_RELOCATABLE
                                                   >> 511         select SYS_SUPPORTS_ZBOOT
                                                   >> 512         select SYS_HAS_EARLY_PRINTK
                                                   >> 513         select USE_GENERIC_EARLY_PRINTK_8250
                                                   >> 514         select USE_OF
                                                   >> 515         help
                                                   >> 516           This enables support for the IMG Pistachio SoC platform.
                                                   >> 517 
513 config MIPS_MALTA                                 518 config MIPS_MALTA
514         bool "MIPS Malta board"                   519         bool "MIPS Malta board"
515         select ARCH_MAY_HAVE_PC_FDC               520         select ARCH_MAY_HAVE_PC_FDC
516         select ARCH_MIGHT_HAVE_PC_PARPORT         521         select ARCH_MIGHT_HAVE_PC_PARPORT
517         select ARCH_MIGHT_HAVE_PC_SERIO           522         select ARCH_MIGHT_HAVE_PC_SERIO
518         select BOOT_ELF32                         523         select BOOT_ELF32
519         select BOOT_RAW                           524         select BOOT_RAW
520         select BUILTIN_DTB                        525         select BUILTIN_DTB
521         select CEVT_R4K                           526         select CEVT_R4K
522         select CLKSRC_MIPS_GIC                    527         select CLKSRC_MIPS_GIC
523         select COMMON_CLK                         528         select COMMON_CLK
524         select CSRC_R4K                           529         select CSRC_R4K
525         select DMA_NONCOHERENT                 !! 530         select DMA_MAYBE_COHERENT
526         select GENERIC_ISA_DMA                    531         select GENERIC_ISA_DMA
527         select HAVE_PCSPKR_PLATFORM               532         select HAVE_PCSPKR_PLATFORM
528         select HAVE_PCI                           533         select HAVE_PCI
529         select I8253                              534         select I8253
530         select I8259                              535         select I8259
531         select IRQ_MIPS_CPU                       536         select IRQ_MIPS_CPU
532         select MIPS_BONITO64                      537         select MIPS_BONITO64
533         select MIPS_CPU_SCACHE                    538         select MIPS_CPU_SCACHE
534         select MIPS_GIC                           539         select MIPS_GIC
535         select MIPS_L1_CACHE_SHIFT_6              540         select MIPS_L1_CACHE_SHIFT_6
536         select MIPS_MSC                           541         select MIPS_MSC
537         select PCI_GT64XXX_PCI0                   542         select PCI_GT64XXX_PCI0
538         select SMP_UP if SMP                      543         select SMP_UP if SMP
539         select SWAP_IO_SPACE                      544         select SWAP_IO_SPACE
540         select SYS_HAS_CPU_MIPS32_R1              545         select SYS_HAS_CPU_MIPS32_R1
541         select SYS_HAS_CPU_MIPS32_R2              546         select SYS_HAS_CPU_MIPS32_R2
542         select SYS_HAS_CPU_MIPS32_R3_5            547         select SYS_HAS_CPU_MIPS32_R3_5
543         select SYS_HAS_CPU_MIPS32_R5              548         select SYS_HAS_CPU_MIPS32_R5
544         select SYS_HAS_CPU_MIPS32_R6              549         select SYS_HAS_CPU_MIPS32_R6
545         select SYS_HAS_CPU_MIPS64_R1              550         select SYS_HAS_CPU_MIPS64_R1
546         select SYS_HAS_CPU_MIPS64_R2              551         select SYS_HAS_CPU_MIPS64_R2
547         select SYS_HAS_CPU_MIPS64_R6              552         select SYS_HAS_CPU_MIPS64_R6
548         select SYS_HAS_CPU_NEVADA                 553         select SYS_HAS_CPU_NEVADA
549         select SYS_HAS_CPU_RM7000                 554         select SYS_HAS_CPU_RM7000
550         select SYS_SUPPORTS_32BIT_KERNEL          555         select SYS_SUPPORTS_32BIT_KERNEL
551         select SYS_SUPPORTS_64BIT_KERNEL          556         select SYS_SUPPORTS_64BIT_KERNEL
552         select SYS_SUPPORTS_BIG_ENDIAN            557         select SYS_SUPPORTS_BIG_ENDIAN
553         select SYS_SUPPORTS_HIGHMEM               558         select SYS_SUPPORTS_HIGHMEM
554         select SYS_SUPPORTS_LITTLE_ENDIAN         559         select SYS_SUPPORTS_LITTLE_ENDIAN
555         select SYS_SUPPORTS_MICROMIPS             560         select SYS_SUPPORTS_MICROMIPS
556         select SYS_SUPPORTS_MIPS16                561         select SYS_SUPPORTS_MIPS16
                                                   >> 562         select SYS_SUPPORTS_MIPS_CMP
557         select SYS_SUPPORTS_MIPS_CPS              563         select SYS_SUPPORTS_MIPS_CPS
558         select SYS_SUPPORTS_MULTITHREADING        564         select SYS_SUPPORTS_MULTITHREADING
559         select SYS_SUPPORTS_RELOCATABLE           565         select SYS_SUPPORTS_RELOCATABLE
560         select SYS_SUPPORTS_SMARTMIPS             566         select SYS_SUPPORTS_SMARTMIPS
561         select SYS_SUPPORTS_VPE_LOADER            567         select SYS_SUPPORTS_VPE_LOADER
562         select SYS_SUPPORTS_ZBOOT                 568         select SYS_SUPPORTS_ZBOOT
563         select USE_OF                             569         select USE_OF
564         select WAR_ICACHE_REFILLS              << 
565         select ZONE_DMA32 if 64BIT                570         select ZONE_DMA32 if 64BIT
566         help                                      571         help
567           This enables support for the MIPS Te    572           This enables support for the MIPS Technologies Malta evaluation
568           board.                                  573           board.
569                                                   574 
570 config MACH_PIC32                                 575 config MACH_PIC32
571         bool "Microchip PIC32 Family"             576         bool "Microchip PIC32 Family"
572         help                                      577         help
573           This enables support for the Microch    578           This enables support for the Microchip PIC32 family of platforms.
574                                                   579 
575           Microchip PIC32 is a family of gener    580           Microchip PIC32 is a family of general-purpose 32 bit MIPS core
576           microcontrollers.                       581           microcontrollers.
577                                                   582 
578 config EYEQ                                    !! 583 config MACH_VR41XX
579         bool "Mobileye EyeQ SoC"               !! 584         bool "NEC VR4100 series based machines"
580         select MACH_GENERIC_CORE               << 
581         select ARM_AMBA                        << 
582         select PHYSICAL_START_BOOL             << 
583         select ARCH_SPARSEMEM_DEFAULT if 64BIT << 
584         select BOOT_RAW                        << 
585         select BUILTIN_DTB                     << 
586         select CEVT_R4K                           585         select CEVT_R4K
587         select CLKSRC_MIPS_GIC                 << 
588         select COMMON_CLK                      << 
589         select CPU_MIPSR2_IRQ_EI               << 
590         select CPU_MIPSR2_IRQ_VI               << 
591         select CSRC_R4K                           586         select CSRC_R4K
592         select DMA_NONCOHERENT                 !! 587         select SYS_HAS_CPU_VR41XX
593         select HAVE_PCI                        !! 588         select SYS_SUPPORTS_MIPS16
594         select IRQ_MIPS_CPU                    !! 589         select GPIOLIB
595         select MIPS_AUTO_PFN_OFFSET            << 
596         select MIPS_CPU_SCACHE                 << 
597         select MIPS_GIC                        << 
598         select MIPS_L1_CACHE_SHIFT_7           << 
599         select PCI_DRIVERS_GENERIC             << 
600         select SMP_UP if SMP                   << 
601         select SWAP_IO_SPACE                   << 
602         select SYS_HAS_CPU_MIPS64_R6           << 
603         select SYS_SUPPORTS_64BIT_KERNEL       << 
604         select SYS_SUPPORTS_HIGHMEM            << 
605         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
606         select SYS_SUPPORTS_MIPS_CPS           << 
607         select SYS_SUPPORTS_RELOCATABLE        << 
608         select SYS_SUPPORTS_ZBOOT              << 
609         select UHI_BOOT                        << 
610         select USB_EHCI_BIG_ENDIAN_DESC if CPU << 
611         select USB_EHCI_BIG_ENDIAN_MMIO if CPU << 
612         select USB_OHCI_BIG_ENDIAN_DESC if CPU << 
613         select USB_OHCI_BIG_ENDIAN_MMIO if CPU << 
614         select USB_UHCI_BIG_ENDIAN_DESC if CPU << 
615         select USB_UHCI_BIG_ENDIAN_MMIO if CPU << 
616         select USE_OF                          << 
617         help                                   << 
618           Select this to build a kernel suppor << 
619                                                << 
620         bool                                   << 
621                                                   590 
622 config MACH_NINTENDO64                         !! 591 config NXP_STB220
623         bool "Nintendo 64 console"             !! 592         bool "NXP STB220 board"
624         select CEVT_R4K                        !! 593         select SOC_PNX833X
625         select CSRC_R4K                        !! 594         help
626         select SYS_HAS_CPU_R4300               !! 595           Support for NXP Semiconductors STB220 Development Board.
627         select SYS_SUPPORTS_BIG_ENDIAN         !! 596 
628         select SYS_SUPPORTS_ZBOOT              !! 597 config NXP_STB225
629         select SYS_SUPPORTS_32BIT_KERNEL       !! 598         bool "NXP 225 board"
630         select SYS_SUPPORTS_64BIT_KERNEL       !! 599         select SOC_PNX833X
631         select DMA_NONCOHERENT                 !! 600         select SOC_PNX8335
632         select IRQ_MIPS_CPU                    !! 601         help
                                                   >> 602           Support for NXP Semiconductors STB225 Development Board.
633                                                   603 
634 config RALINK                                     604 config RALINK
635         bool "Ralink based machines"              605         bool "Ralink based machines"
636         select CEVT_R4K                           606         select CEVT_R4K
637         select COMMON_CLK                      << 
638         select CSRC_R4K                           607         select CSRC_R4K
639         select BOOT_RAW                           608         select BOOT_RAW
640         select DMA_NONCOHERENT                    609         select DMA_NONCOHERENT
641         select IRQ_MIPS_CPU                       610         select IRQ_MIPS_CPU
642         select USE_OF                             611         select USE_OF
                                                   >> 612         select SYS_HAS_CPU_MIPS32_R1
643         select SYS_HAS_CPU_MIPS32_R2              613         select SYS_HAS_CPU_MIPS32_R2
644         select SYS_SUPPORTS_32BIT_KERNEL          614         select SYS_SUPPORTS_32BIT_KERNEL
645         select SYS_SUPPORTS_LITTLE_ENDIAN         615         select SYS_SUPPORTS_LITTLE_ENDIAN
646         select SYS_SUPPORTS_MIPS16                616         select SYS_SUPPORTS_MIPS16
647         select SYS_SUPPORTS_ZBOOT              << 
648         select SYS_HAS_EARLY_PRINTK               617         select SYS_HAS_EARLY_PRINTK
                                                   >> 618         select CLKDEV_LOOKUP
649         select ARCH_HAS_RESET_CONTROLLER          619         select ARCH_HAS_RESET_CONTROLLER
650         select RESET_CONTROLLER                   620         select RESET_CONTROLLER
651                                                   621 
652 config MACH_REALTEK_RTL                        << 
653         bool "Realtek RTL838x/RTL839x based ma << 
654         select MIPS_GENERIC                    << 
655         select MACH_GENERIC_CORE               << 
656         select DMA_NONCOHERENT                 << 
657         select IRQ_MIPS_CPU                    << 
658         select CSRC_R4K                        << 
659         select CEVT_R4K                        << 
660         select SYS_HAS_CPU_MIPS32_R1           << 
661         select SYS_HAS_CPU_MIPS32_R2           << 
662         select SYS_SUPPORTS_BIG_ENDIAN         << 
663         select SYS_SUPPORTS_32BIT_KERNEL       << 
664         select SYS_SUPPORTS_MIPS16             << 
665         select SYS_SUPPORTS_MULTITHREADING     << 
666         select SYS_SUPPORTS_VPE_LOADER         << 
667         select BOOT_RAW                        << 
668         select PINCTRL                         << 
669         select USE_OF                          << 
670         select REALTEK_OTTO_TIMER              << 
671                                                << 
672 config SGI_IP22                                   622 config SGI_IP22
673         bool "SGI IP22 (Indy/Indigo2)"            623         bool "SGI IP22 (Indy/Indigo2)"
674         select ARC_MEMORY                         624         select ARC_MEMORY
675         select ARC_PROMLIB                        625         select ARC_PROMLIB
676         select FW_ARC                             626         select FW_ARC
677         select FW_ARC32                           627         select FW_ARC32
678         select ARCH_MIGHT_HAVE_PC_SERIO           628         select ARCH_MIGHT_HAVE_PC_SERIO
679         select BOOT_ELF32                         629         select BOOT_ELF32
680         select CEVT_R4K                           630         select CEVT_R4K
681         select CSRC_R4K                           631         select CSRC_R4K
682         select DEFAULT_SGI_PARTITION              632         select DEFAULT_SGI_PARTITION
683         select DMA_NONCOHERENT                    633         select DMA_NONCOHERENT
684         select HAVE_EISA                          634         select HAVE_EISA
685         select I8253                              635         select I8253
686         select I8259                              636         select I8259
687         select IP22_CPU_SCACHE                    637         select IP22_CPU_SCACHE
688         select IRQ_MIPS_CPU                       638         select IRQ_MIPS_CPU
689         select GENERIC_ISA_DMA_SUPPORT_BROKEN     639         select GENERIC_ISA_DMA_SUPPORT_BROKEN
690         select SGI_HAS_I8042                      640         select SGI_HAS_I8042
691         select SGI_HAS_INDYDOG                    641         select SGI_HAS_INDYDOG
692         select SGI_HAS_HAL2                       642         select SGI_HAS_HAL2
693         select SGI_HAS_SEEQ                       643         select SGI_HAS_SEEQ
694         select SGI_HAS_WD93                       644         select SGI_HAS_WD93
695         select SGI_HAS_ZILOG                      645         select SGI_HAS_ZILOG
696         select SWAP_IO_SPACE                      646         select SWAP_IO_SPACE
697         select SYS_HAS_CPU_R4X00                  647         select SYS_HAS_CPU_R4X00
698         select SYS_HAS_CPU_R5000                  648         select SYS_HAS_CPU_R5000
699         select SYS_HAS_EARLY_PRINTK               649         select SYS_HAS_EARLY_PRINTK
700         select SYS_SUPPORTS_32BIT_KERNEL          650         select SYS_SUPPORTS_32BIT_KERNEL
701         select SYS_SUPPORTS_64BIT_KERNEL          651         select SYS_SUPPORTS_64BIT_KERNEL
702         select SYS_SUPPORTS_BIG_ENDIAN            652         select SYS_SUPPORTS_BIG_ENDIAN
703         select WAR_R4600_V1_INDEX_ICACHEOP     << 
704         select WAR_R4600_V1_HIT_CACHEOP        << 
705         select WAR_R4600_V2_HIT_CACHEOP        << 
706         select MIPS_L1_CACHE_SHIFT_7              653         select MIPS_L1_CACHE_SHIFT_7
707         help                                      654         help
708           This are the SGI Indy, Challenge S a    655           This are the SGI Indy, Challenge S and Indigo2, as well as certain
709           OEM variants like the Tandem CMN B00    656           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710           that runs on these, say Y here.         657           that runs on these, say Y here.
711                                                   658 
712 config SGI_IP27                                   659 config SGI_IP27
713         bool "SGI IP27 (Origin200/2000)"          660         bool "SGI IP27 (Origin200/2000)"
714         select ARCH_HAS_PHYS_TO_DMA               661         select ARCH_HAS_PHYS_TO_DMA
715         select ARCH_SPARSEMEM_ENABLE              662         select ARCH_SPARSEMEM_ENABLE
716         select FW_ARC                             663         select FW_ARC
717         select FW_ARC64                           664         select FW_ARC64
718         select ARC_CMDLINE_ONLY                   665         select ARC_CMDLINE_ONLY
719         select BOOT_ELF64                         666         select BOOT_ELF64
720         select DEFAULT_SGI_PARTITION              667         select DEFAULT_SGI_PARTITION
721         select FORCE_PCI                       << 
722         select SYS_HAS_EARLY_PRINTK               668         select SYS_HAS_EARLY_PRINTK
723         select HAVE_PCI                           669         select HAVE_PCI
724         select IRQ_MIPS_CPU                       670         select IRQ_MIPS_CPU
725         select IRQ_DOMAIN_HIERARCHY               671         select IRQ_DOMAIN_HIERARCHY
726         select NR_CPUS_DEFAULT_64                 672         select NR_CPUS_DEFAULT_64
727         select PCI_DRIVERS_GENERIC                673         select PCI_DRIVERS_GENERIC
728         select PCI_XTALK_BRIDGE                   674         select PCI_XTALK_BRIDGE
729         select SYS_HAS_CPU_R10000                 675         select SYS_HAS_CPU_R10000
730         select SYS_SUPPORTS_64BIT_KERNEL          676         select SYS_SUPPORTS_64BIT_KERNEL
731         select SYS_SUPPORTS_BIG_ENDIAN            677         select SYS_SUPPORTS_BIG_ENDIAN
732         select SYS_SUPPORTS_NUMA                  678         select SYS_SUPPORTS_NUMA
733         select SYS_SUPPORTS_SMP                   679         select SYS_SUPPORTS_SMP
734         select WAR_R10000_LLSC                 << 
735         select MIPS_L1_CACHE_SHIFT_7              680         select MIPS_L1_CACHE_SHIFT_7
736         select NUMA                               681         select NUMA
737         help                                      682         help
738           This are the SGI Origin 200, Origin     683           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739           workstations.  To compile a Linux ke    684           workstations.  To compile a Linux kernel that runs on these, say Y
740           here.                                   685           here.
741                                                   686 
742 config SGI_IP28                                   687 config SGI_IP28
743         bool "SGI IP28 (Indigo2 R10k)"            688         bool "SGI IP28 (Indigo2 R10k)"
744         select ARC_MEMORY                         689         select ARC_MEMORY
745         select ARC_PROMLIB                        690         select ARC_PROMLIB
746         select FW_ARC                             691         select FW_ARC
747         select FW_ARC64                           692         select FW_ARC64
748         select ARCH_MIGHT_HAVE_PC_SERIO           693         select ARCH_MIGHT_HAVE_PC_SERIO
749         select BOOT_ELF64                         694         select BOOT_ELF64
750         select CEVT_R4K                           695         select CEVT_R4K
751         select CSRC_R4K                           696         select CSRC_R4K
752         select DEFAULT_SGI_PARTITION              697         select DEFAULT_SGI_PARTITION
753         select DMA_NONCOHERENT                    698         select DMA_NONCOHERENT
754         select GENERIC_ISA_DMA_SUPPORT_BROKEN     699         select GENERIC_ISA_DMA_SUPPORT_BROKEN
755         select IRQ_MIPS_CPU                       700         select IRQ_MIPS_CPU
756         select HAVE_EISA                          701         select HAVE_EISA
757         select I8253                              702         select I8253
758         select I8259                              703         select I8259
759         select SGI_HAS_I8042                      704         select SGI_HAS_I8042
760         select SGI_HAS_INDYDOG                    705         select SGI_HAS_INDYDOG
761         select SGI_HAS_HAL2                       706         select SGI_HAS_HAL2
762         select SGI_HAS_SEEQ                       707         select SGI_HAS_SEEQ
763         select SGI_HAS_WD93                       708         select SGI_HAS_WD93
764         select SGI_HAS_ZILOG                      709         select SGI_HAS_ZILOG
765         select SWAP_IO_SPACE                      710         select SWAP_IO_SPACE
766         select SYS_HAS_CPU_R10000                 711         select SYS_HAS_CPU_R10000
767         select SYS_HAS_EARLY_PRINTK               712         select SYS_HAS_EARLY_PRINTK
768         select SYS_SUPPORTS_64BIT_KERNEL          713         select SYS_SUPPORTS_64BIT_KERNEL
769         select SYS_SUPPORTS_BIG_ENDIAN            714         select SYS_SUPPORTS_BIG_ENDIAN
770         select WAR_R10000_LLSC                 << 
771         select MIPS_L1_CACHE_SHIFT_7              715         select MIPS_L1_CACHE_SHIFT_7
772         help                                      716         help
773           This is the SGI Indigo2 with R10000     717           This is the SGI Indigo2 with R10000 processor.  To compile a Linux
774           kernel that runs on these, say Y her    718           kernel that runs on these, say Y here.
775                                                   719 
776 config SGI_IP30                                   720 config SGI_IP30
777         bool "SGI IP30 (Octane/Octane2)"          721         bool "SGI IP30 (Octane/Octane2)"
778         select ARCH_HAS_PHYS_TO_DMA               722         select ARCH_HAS_PHYS_TO_DMA
779         select FW_ARC                             723         select FW_ARC
780         select FW_ARC64                           724         select FW_ARC64
781         select BOOT_ELF64                         725         select BOOT_ELF64
782         select CEVT_R4K                           726         select CEVT_R4K
783         select CSRC_R4K                           727         select CSRC_R4K
784         select FORCE_PCI                       << 
785         select SYNC_R4K if SMP                    728         select SYNC_R4K if SMP
786         select ZONE_DMA32                         729         select ZONE_DMA32
787         select HAVE_PCI                           730         select HAVE_PCI
788         select IRQ_MIPS_CPU                       731         select IRQ_MIPS_CPU
789         select IRQ_DOMAIN_HIERARCHY               732         select IRQ_DOMAIN_HIERARCHY
                                                   >> 733         select NR_CPUS_DEFAULT_2
790         select PCI_DRIVERS_GENERIC                734         select PCI_DRIVERS_GENERIC
791         select PCI_XTALK_BRIDGE                   735         select PCI_XTALK_BRIDGE
792         select SYS_HAS_EARLY_PRINTK               736         select SYS_HAS_EARLY_PRINTK
793         select SYS_HAS_CPU_R10000                 737         select SYS_HAS_CPU_R10000
794         select SYS_SUPPORTS_64BIT_KERNEL          738         select SYS_SUPPORTS_64BIT_KERNEL
795         select SYS_SUPPORTS_BIG_ENDIAN            739         select SYS_SUPPORTS_BIG_ENDIAN
796         select SYS_SUPPORTS_SMP                   740         select SYS_SUPPORTS_SMP
797         select WAR_R10000_LLSC                 << 
798         select MIPS_L1_CACHE_SHIFT_7              741         select MIPS_L1_CACHE_SHIFT_7
799         select ARC_MEMORY                         742         select ARC_MEMORY
800         help                                      743         help
801           These are the SGI Octane and Octane2    744           These are the SGI Octane and Octane2 graphics workstations.  To
802           compile a Linux kernel that runs on     745           compile a Linux kernel that runs on these, say Y here.
803                                                   746 
804 config SGI_IP32                                   747 config SGI_IP32
805         bool "SGI IP32 (O2)"                      748         bool "SGI IP32 (O2)"
806         select ARC_MEMORY                         749         select ARC_MEMORY
807         select ARC_PROMLIB                        750         select ARC_PROMLIB
808         select ARCH_HAS_PHYS_TO_DMA               751         select ARCH_HAS_PHYS_TO_DMA
809         select FW_ARC                             752         select FW_ARC
810         select FW_ARC32                           753         select FW_ARC32
811         select BOOT_ELF32                         754         select BOOT_ELF32
812         select CEVT_R4K                           755         select CEVT_R4K
813         select CSRC_R4K                           756         select CSRC_R4K
814         select DMA_NONCOHERENT                    757         select DMA_NONCOHERENT
815         select HAVE_PCI                           758         select HAVE_PCI
816         select IRQ_MIPS_CPU                       759         select IRQ_MIPS_CPU
817         select R5000_CPU_SCACHE                   760         select R5000_CPU_SCACHE
818         select RM7000_CPU_SCACHE                  761         select RM7000_CPU_SCACHE
819         select SYS_HAS_CPU_R5000                  762         select SYS_HAS_CPU_R5000
820         select SYS_HAS_CPU_R10000 if BROKEN       763         select SYS_HAS_CPU_R10000 if BROKEN
821         select SYS_HAS_CPU_RM7000                 764         select SYS_HAS_CPU_RM7000
822         select SYS_HAS_CPU_NEVADA                 765         select SYS_HAS_CPU_NEVADA
823         select SYS_SUPPORTS_64BIT_KERNEL          766         select SYS_SUPPORTS_64BIT_KERNEL
824         select SYS_SUPPORTS_BIG_ENDIAN            767         select SYS_SUPPORTS_BIG_ENDIAN
825         select WAR_ICACHE_REFILLS              << 
826         help                                      768         help
827           If you want this kernel to run on SG    769           If you want this kernel to run on SGI O2 workstation, say Y here.
828                                                   770 
                                                   >> 771 config SIBYTE_CRHINE
                                                   >> 772         bool "Sibyte BCM91120C-CRhine"
                                                   >> 773         select BOOT_ELF32
                                                   >> 774         select SIBYTE_BCM1120
                                                   >> 775         select SWAP_IO_SPACE
                                                   >> 776         select SYS_HAS_CPU_SB1
                                                   >> 777         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 778         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 779 
                                                   >> 780 config SIBYTE_CARMEL
                                                   >> 781         bool "Sibyte BCM91120x-Carmel"
                                                   >> 782         select BOOT_ELF32
                                                   >> 783         select SIBYTE_BCM1120
                                                   >> 784         select SWAP_IO_SPACE
                                                   >> 785         select SYS_HAS_CPU_SB1
                                                   >> 786         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 787         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 788 
829 config SIBYTE_CRHONE                              789 config SIBYTE_CRHONE
830         bool "Sibyte BCM91125C-CRhone"            790         bool "Sibyte BCM91125C-CRhone"
831         select BOOT_ELF32                         791         select BOOT_ELF32
832         select SIBYTE_BCM1125                     792         select SIBYTE_BCM1125
833         select SWAP_IO_SPACE                      793         select SWAP_IO_SPACE
834         select SYS_HAS_CPU_SB1                    794         select SYS_HAS_CPU_SB1
835         select SYS_SUPPORTS_BIG_ENDIAN            795         select SYS_SUPPORTS_BIG_ENDIAN
836         select SYS_SUPPORTS_HIGHMEM               796         select SYS_SUPPORTS_HIGHMEM
837         select SYS_SUPPORTS_LITTLE_ENDIAN         797         select SYS_SUPPORTS_LITTLE_ENDIAN
838                                                   798 
839 config SIBYTE_RHONE                               799 config SIBYTE_RHONE
840         bool "Sibyte BCM91125E-Rhone"             800         bool "Sibyte BCM91125E-Rhone"
841         select BOOT_ELF32                         801         select BOOT_ELF32
842         select SIBYTE_SB1250                   !! 802         select SIBYTE_BCM1125H
843         select SWAP_IO_SPACE                      803         select SWAP_IO_SPACE
844         select SYS_HAS_CPU_SB1                    804         select SYS_HAS_CPU_SB1
845         select SYS_SUPPORTS_BIG_ENDIAN            805         select SYS_SUPPORTS_BIG_ENDIAN
846         select SYS_SUPPORTS_LITTLE_ENDIAN         806         select SYS_SUPPORTS_LITTLE_ENDIAN
847                                                   807 
848 config SIBYTE_SWARM                               808 config SIBYTE_SWARM
849         bool "Sibyte BCM91250A-SWARM"             809         bool "Sibyte BCM91250A-SWARM"
850         select BOOT_ELF32                         810         select BOOT_ELF32
851         select HAVE_PATA_PLATFORM                 811         select HAVE_PATA_PLATFORM
852         select SIBYTE_SB1250                      812         select SIBYTE_SB1250
853         select SWAP_IO_SPACE                      813         select SWAP_IO_SPACE
854         select SYS_HAS_CPU_SB1                    814         select SYS_HAS_CPU_SB1
855         select SYS_SUPPORTS_BIG_ENDIAN            815         select SYS_SUPPORTS_BIG_ENDIAN
856         select SYS_SUPPORTS_HIGHMEM               816         select SYS_SUPPORTS_HIGHMEM
857         select SYS_SUPPORTS_LITTLE_ENDIAN         817         select SYS_SUPPORTS_LITTLE_ENDIAN
858         select ZONE_DMA32 if 64BIT                818         select ZONE_DMA32 if 64BIT
859         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    819         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
860                                                   820 
861 config SIBYTE_LITTLESUR                           821 config SIBYTE_LITTLESUR
862         bool "Sibyte BCM91250C2-LittleSur"        822         bool "Sibyte BCM91250C2-LittleSur"
863         select BOOT_ELF32                         823         select BOOT_ELF32
864         select HAVE_PATA_PLATFORM                 824         select HAVE_PATA_PLATFORM
865         select SIBYTE_SB1250                      825         select SIBYTE_SB1250
866         select SWAP_IO_SPACE                      826         select SWAP_IO_SPACE
867         select SYS_HAS_CPU_SB1                    827         select SYS_HAS_CPU_SB1
868         select SYS_SUPPORTS_BIG_ENDIAN            828         select SYS_SUPPORTS_BIG_ENDIAN
869         select SYS_SUPPORTS_HIGHMEM               829         select SYS_SUPPORTS_HIGHMEM
870         select SYS_SUPPORTS_LITTLE_ENDIAN         830         select SYS_SUPPORTS_LITTLE_ENDIAN
871         select ZONE_DMA32 if 64BIT                831         select ZONE_DMA32 if 64BIT
872                                                   832 
873 config SIBYTE_SENTOSA                             833 config SIBYTE_SENTOSA
874         bool "Sibyte BCM91250E-Sentosa"           834         bool "Sibyte BCM91250E-Sentosa"
875         select BOOT_ELF32                         835         select BOOT_ELF32
876         select SIBYTE_SB1250                      836         select SIBYTE_SB1250
877         select SWAP_IO_SPACE                      837         select SWAP_IO_SPACE
878         select SYS_HAS_CPU_SB1                    838         select SYS_HAS_CPU_SB1
879         select SYS_SUPPORTS_BIG_ENDIAN            839         select SYS_SUPPORTS_BIG_ENDIAN
880         select SYS_SUPPORTS_LITTLE_ENDIAN         840         select SYS_SUPPORTS_LITTLE_ENDIAN
881         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    841         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
882                                                   842 
883 config SIBYTE_BIGSUR                              843 config SIBYTE_BIGSUR
884         bool "Sibyte BCM91480B-BigSur"            844         bool "Sibyte BCM91480B-BigSur"
885         select BOOT_ELF32                         845         select BOOT_ELF32
886         select NR_CPUS_DEFAULT_4                  846         select NR_CPUS_DEFAULT_4
887         select SIBYTE_BCM1x80                     847         select SIBYTE_BCM1x80
888         select SWAP_IO_SPACE                      848         select SWAP_IO_SPACE
889         select SYS_HAS_CPU_SB1                    849         select SYS_HAS_CPU_SB1
890         select SYS_SUPPORTS_BIG_ENDIAN            850         select SYS_SUPPORTS_BIG_ENDIAN
891         select SYS_SUPPORTS_HIGHMEM               851         select SYS_SUPPORTS_HIGHMEM
892         select SYS_SUPPORTS_LITTLE_ENDIAN         852         select SYS_SUPPORTS_LITTLE_ENDIAN
893         select ZONE_DMA32 if 64BIT                853         select ZONE_DMA32 if 64BIT
894         select SWIOTLB if ARCH_DMA_ADDR_T_64BI    854         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
895                                                   855 
896 config SNI_RM                                     856 config SNI_RM
897         bool "SNI RM200/300/400"                  857         bool "SNI RM200/300/400"
898         select ARC_MEMORY                         858         select ARC_MEMORY
899         select ARC_PROMLIB                        859         select ARC_PROMLIB
900         select FW_ARC if CPU_LITTLE_ENDIAN        860         select FW_ARC if CPU_LITTLE_ENDIAN
901         select FW_ARC32 if CPU_LITTLE_ENDIAN      861         select FW_ARC32 if CPU_LITTLE_ENDIAN
902         select FW_SNIPROM if CPU_BIG_ENDIAN       862         select FW_SNIPROM if CPU_BIG_ENDIAN
903         select ARCH_MAY_HAVE_PC_FDC               863         select ARCH_MAY_HAVE_PC_FDC
904         select ARCH_MIGHT_HAVE_PC_PARPORT         864         select ARCH_MIGHT_HAVE_PC_PARPORT
905         select ARCH_MIGHT_HAVE_PC_SERIO           865         select ARCH_MIGHT_HAVE_PC_SERIO
906         select BOOT_ELF32                         866         select BOOT_ELF32
907         select CEVT_R4K                           867         select CEVT_R4K
908         select CSRC_R4K                           868         select CSRC_R4K
909         select DEFAULT_SGI_PARTITION if CPU_BI    869         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910         select DMA_NONCOHERENT                    870         select DMA_NONCOHERENT
911         select GENERIC_ISA_DMA                    871         select GENERIC_ISA_DMA
912         select HAVE_EISA                          872         select HAVE_EISA
913         select HAVE_PCSPKR_PLATFORM               873         select HAVE_PCSPKR_PLATFORM
914         select HAVE_PCI                           874         select HAVE_PCI
915         select IRQ_MIPS_CPU                       875         select IRQ_MIPS_CPU
916         select I8253                              876         select I8253
917         select I8259                              877         select I8259
918         select ISA                                878         select ISA
919         select MIPS_L1_CACHE_SHIFT_6              879         select MIPS_L1_CACHE_SHIFT_6
920         select SWAP_IO_SPACE if CPU_BIG_ENDIAN    880         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921         select SYS_HAS_CPU_R4X00                  881         select SYS_HAS_CPU_R4X00
922         select SYS_HAS_CPU_R5000                  882         select SYS_HAS_CPU_R5000
923         select SYS_HAS_CPU_R10000                 883         select SYS_HAS_CPU_R10000
924         select R5000_CPU_SCACHE                   884         select R5000_CPU_SCACHE
925         select SYS_HAS_EARLY_PRINTK               885         select SYS_HAS_EARLY_PRINTK
926         select SYS_SUPPORTS_32BIT_KERNEL          886         select SYS_SUPPORTS_32BIT_KERNEL
927         select SYS_SUPPORTS_64BIT_KERNEL          887         select SYS_SUPPORTS_64BIT_KERNEL
928         select SYS_SUPPORTS_BIG_ENDIAN            888         select SYS_SUPPORTS_BIG_ENDIAN
929         select SYS_SUPPORTS_HIGHMEM               889         select SYS_SUPPORTS_HIGHMEM
930         select SYS_SUPPORTS_LITTLE_ENDIAN         890         select SYS_SUPPORTS_LITTLE_ENDIAN
931         select WAR_R4600_V2_HIT_CACHEOP        << 
932         help                                      891         help
933           The SNI RM200/300/400 are MIPS-based    892           The SNI RM200/300/400 are MIPS-based machines manufactured by
934           Siemens Nixdorf Informationssysteme     893           Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935           Technology and now in turn merged wi    894           Technology and now in turn merged with Fujitsu.  Say Y here to
936           support this machine type.              895           support this machine type.
937                                                   896 
                                                   >> 897 config MACH_TX39XX
                                                   >> 898         bool "Toshiba TX39 series based machines"
                                                   >> 899 
938 config MACH_TX49XX                                900 config MACH_TX49XX
939         bool "Toshiba TX49 series based machin    901         bool "Toshiba TX49 series based machines"
940         select WAR_TX49XX_ICACHE_INDEX_INV     << 
941                                                   902 
942 config MIKROTIK_RB532                             903 config MIKROTIK_RB532
943         bool "Mikrotik RB532 boards"              904         bool "Mikrotik RB532 boards"
944         select CEVT_R4K                           905         select CEVT_R4K
945         select CSRC_R4K                           906         select CSRC_R4K
946         select DMA_NONCOHERENT                    907         select DMA_NONCOHERENT
947         select HAVE_PCI                           908         select HAVE_PCI
948         select IRQ_MIPS_CPU                       909         select IRQ_MIPS_CPU
949         select SYS_HAS_CPU_MIPS32_R1              910         select SYS_HAS_CPU_MIPS32_R1
950         select SYS_SUPPORTS_32BIT_KERNEL          911         select SYS_SUPPORTS_32BIT_KERNEL
951         select SYS_SUPPORTS_LITTLE_ENDIAN         912         select SYS_SUPPORTS_LITTLE_ENDIAN
952         select SWAP_IO_SPACE                      913         select SWAP_IO_SPACE
953         select BOOT_RAW                           914         select BOOT_RAW
954         select GPIOLIB                            915         select GPIOLIB
955         select MIPS_L1_CACHE_SHIFT_4              916         select MIPS_L1_CACHE_SHIFT_4
956         help                                      917         help
957           Support the Mikrotik(tm) RouterBoard    918           Support the Mikrotik(tm) RouterBoard 532 series,
958           based on the IDT RC32434 SoC.           919           based on the IDT RC32434 SoC.
959                                                   920 
960 config CAVIUM_OCTEON_SOC                          921 config CAVIUM_OCTEON_SOC
961         bool "Cavium Networks Octeon SoC based    922         bool "Cavium Networks Octeon SoC based boards"
962         select CEVT_R4K                           923         select CEVT_R4K
963         select ARCH_HAS_PHYS_TO_DMA               924         select ARCH_HAS_PHYS_TO_DMA
964         select HAVE_RAPIDIO                       925         select HAVE_RAPIDIO
965         select PHYS_ADDR_T_64BIT                  926         select PHYS_ADDR_T_64BIT
966         select SYS_SUPPORTS_64BIT_KERNEL          927         select SYS_SUPPORTS_64BIT_KERNEL
967         select SYS_SUPPORTS_BIG_ENDIAN            928         select SYS_SUPPORTS_BIG_ENDIAN
968         select EDAC_SUPPORT                       929         select EDAC_SUPPORT
969         select EDAC_ATOMIC_SCRUB                  930         select EDAC_ATOMIC_SCRUB
970         select SYS_SUPPORTS_LITTLE_ENDIAN         931         select SYS_SUPPORTS_LITTLE_ENDIAN
971         select SYS_SUPPORTS_HOTPLUG_CPU if CPU    932         select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
972         select SYS_HAS_EARLY_PRINTK               933         select SYS_HAS_EARLY_PRINTK
973         select SYS_HAS_CPU_CAVIUM_OCTEON          934         select SYS_HAS_CPU_CAVIUM_OCTEON
974         select HAVE_PCI                           935         select HAVE_PCI
975         select HAVE_PLAT_DELAY                    936         select HAVE_PLAT_DELAY
976         select HAVE_PLAT_FW_INIT_CMDLINE          937         select HAVE_PLAT_FW_INIT_CMDLINE
977         select HAVE_PLAT_MEMCPY                   938         select HAVE_PLAT_MEMCPY
978         select ZONE_DMA32                         939         select ZONE_DMA32
                                                   >> 940         select HOLES_IN_ZONE
979         select GPIOLIB                            941         select GPIOLIB
980         select USE_OF                             942         select USE_OF
981         select ARCH_SPARSEMEM_ENABLE              943         select ARCH_SPARSEMEM_ENABLE
982         select SYS_SUPPORTS_SMP                   944         select SYS_SUPPORTS_SMP
983         select NR_CPUS_DEFAULT_64                 945         select NR_CPUS_DEFAULT_64
984         select MIPS_NR_CPU_NR_MAP_1024            946         select MIPS_NR_CPU_NR_MAP_1024
985         select BUILTIN_DTB                        947         select BUILTIN_DTB
986         select MTD                             << 
987         select MTD_COMPLEX_MAPPINGS               948         select MTD_COMPLEX_MAPPINGS
988         select SWIOTLB                            949         select SWIOTLB
989         select SYS_SUPPORTS_RELOCATABLE           950         select SYS_SUPPORTS_RELOCATABLE
990         help                                      951         help
991           This option supports all of the Octe    952           This option supports all of the Octeon reference boards from Cavium
992           Networks. It builds a kernel that dy    953           Networks. It builds a kernel that dynamically determines the Octeon
993           CPU type and supports all known boar    954           CPU type and supports all known board reference implementations.
994           Some of the supported boards are:       955           Some of the supported boards are:
995                 EBT3000                           956                 EBT3000
996                 EBH3000                           957                 EBH3000
997                 EBH3100                           958                 EBH3100
998                 Thunder                           959                 Thunder
999                 Kodama                            960                 Kodama
1000                 Hikari                           961                 Hikari
1001           Say Y here for most Octeon referenc    962           Say Y here for most Octeon reference boards.
1002                                                  963 
1003 endchoice                                     !! 964 config NLM_XLR_BOARD
                                                   >> 965         bool "Netlogic XLR/XLS based systems"
                                                   >> 966         select BOOT_ELF32
                                                   >> 967         select NLM_COMMON
                                                   >> 968         select SYS_HAS_CPU_XLR
                                                   >> 969         select SYS_SUPPORTS_SMP
                                                   >> 970         select HAVE_PCI
                                                   >> 971         select SWAP_IO_SPACE
                                                   >> 972         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 973         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 974         select PHYS_ADDR_T_64BIT
                                                   >> 975         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 976         select SYS_SUPPORTS_HIGHMEM
                                                   >> 977         select NR_CPUS_DEFAULT_32
                                                   >> 978         select CEVT_R4K
                                                   >> 979         select CSRC_R4K
                                                   >> 980         select IRQ_MIPS_CPU
                                                   >> 981         select ZONE_DMA32 if 64BIT
                                                   >> 982         select SYNC_R4K
                                                   >> 983         select SYS_HAS_EARLY_PRINTK
                                                   >> 984         select SYS_SUPPORTS_ZBOOT
                                                   >> 985         select SYS_SUPPORTS_ZBOOT_UART16550
                                                   >> 986         help
                                                   >> 987           Support for systems based on Netlogic XLR and XLS processors.
                                                   >> 988           Say Y here if you have a XLR or XLS based board.
1004                                                  989 
1005 config FIT_IMAGE_FDT_EPM5                     !! 990 config NLM_XLP_BOARD
1006         bool "Include FDT for Mobileye EyeQ5  !! 991         bool "Netlogic XLP based systems"
1007         depends on MACH_EYEQ5                 !! 992         select BOOT_ELF32
1008         default n                             !! 993         select NLM_COMMON
                                                   >> 994         select SYS_HAS_CPU_XLP
                                                   >> 995         select SYS_SUPPORTS_SMP
                                                   >> 996         select HAVE_PCI
                                                   >> 997         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 998         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 999         select PHYS_ADDR_T_64BIT
                                                   >> 1000         select GPIOLIB
                                                   >> 1001         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1002         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 1003         select SYS_SUPPORTS_HIGHMEM
                                                   >> 1004         select NR_CPUS_DEFAULT_32
                                                   >> 1005         select CEVT_R4K
                                                   >> 1006         select CSRC_R4K
                                                   >> 1007         select IRQ_MIPS_CPU
                                                   >> 1008         select ZONE_DMA32 if 64BIT
                                                   >> 1009         select SYNC_R4K
                                                   >> 1010         select SYS_HAS_EARLY_PRINTK
                                                   >> 1011         select USE_OF
                                                   >> 1012         select SYS_SUPPORTS_ZBOOT
                                                   >> 1013         select SYS_SUPPORTS_ZBOOT_UART16550
1009         help                                     1014         help
1010           Enable this to include the FDT for  !! 1015           This board is based on Netlogic XLP Processor.
1011           from Mobileye in the FIT kernel ima !! 1016           Say Y here if you have a XLP based board.
1012           This requires u-boot on the platfor !! 1017 
                                                   >> 1018 config MIPS_PARAVIRT
                                                   >> 1019         bool "Para-Virtualized guest system"
                                                   >> 1020         select CEVT_R4K
                                                   >> 1021         select CSRC_R4K
                                                   >> 1022         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 1023         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1024         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1025         select SYS_SUPPORTS_SMP
                                                   >> 1026         select NR_CPUS_DEFAULT_4
                                                   >> 1027         select SYS_HAS_EARLY_PRINTK
                                                   >> 1028         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 1029         select SYS_HAS_CPU_MIPS64_R2
                                                   >> 1030         select SYS_HAS_CPU_CAVIUM_OCTEON
                                                   >> 1031         select HAVE_PCI
                                                   >> 1032         select SWAP_IO_SPACE
                                                   >> 1033         help
                                                   >> 1034           This option supports guest running under ????
                                                   >> 1035 
                                                   >> 1036 endchoice
1013                                                  1037 
1014 source "arch/mips/alchemy/Kconfig"               1038 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig"                 1039 source "arch/mips/ath25/Kconfig"
1016 source "arch/mips/ath79/Kconfig"                 1040 source "arch/mips/ath79/Kconfig"
1017 source "arch/mips/bcm47xx/Kconfig"               1041 source "arch/mips/bcm47xx/Kconfig"
1018 source "arch/mips/bcm63xx/Kconfig"               1042 source "arch/mips/bcm63xx/Kconfig"
1019 source "arch/mips/bmips/Kconfig"                 1043 source "arch/mips/bmips/Kconfig"
1020 source "arch/mips/generic/Kconfig"               1044 source "arch/mips/generic/Kconfig"
1021 source "arch/mips/ingenic/Kconfig"            << 
1022 source "arch/mips/jazz/Kconfig"                  1045 source "arch/mips/jazz/Kconfig"
                                                   >> 1046 source "arch/mips/jz4740/Kconfig"
1023 source "arch/mips/lantiq/Kconfig"                1047 source "arch/mips/lantiq/Kconfig"
1024 source "arch/mips/mobileye/Kconfig"           << 
1025 source "arch/mips/pic32/Kconfig"                 1048 source "arch/mips/pic32/Kconfig"
                                                   >> 1049 source "arch/mips/pistachio/Kconfig"
1026 source "arch/mips/ralink/Kconfig"                1050 source "arch/mips/ralink/Kconfig"
1027 source "arch/mips/sgi-ip27/Kconfig"              1051 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig"                1052 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig"                  1053 source "arch/mips/txx9/Kconfig"
                                                   >> 1054 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig"         1055 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig"           1056 source "arch/mips/loongson2ef/Kconfig"
1032 source "arch/mips/loongson32/Kconfig"            1057 source "arch/mips/loongson32/Kconfig"
1033 source "arch/mips/loongson64/Kconfig"            1058 source "arch/mips/loongson64/Kconfig"
                                                   >> 1059 source "arch/mips/netlogic/Kconfig"
                                                   >> 1060 source "arch/mips/paravirt/Kconfig"
1034                                                  1061 
1035 endmenu                                          1062 endmenu
1036                                                  1063 
1037 config GENERIC_HWEIGHT                           1064 config GENERIC_HWEIGHT
1038         bool                                     1065         bool
1039         default y                                1066         default y
1040                                                  1067 
1041 config GENERIC_CALIBRATE_DELAY                   1068 config GENERIC_CALIBRATE_DELAY
1042         bool                                     1069         bool
1043         default y                                1070         default y
1044                                                  1071 
1045 config SCHED_OMIT_FRAME_POINTER                  1072 config SCHED_OMIT_FRAME_POINTER
1046         bool                                     1073         bool
1047         default y                                1074         default y
1048                                                  1075 
1049 #                                                1076 #
1050 # Select some configuration options automatic    1077 # Select some configuration options automatically based on user selections.
1051 #                                                1078 #
1052 config FW_ARC                                    1079 config FW_ARC
1053         bool                                     1080         bool
1054                                                  1081 
1055 config ARCH_MAY_HAVE_PC_FDC                      1082 config ARCH_MAY_HAVE_PC_FDC
1056         bool                                     1083         bool
1057                                                  1084 
1058 config BOOT_RAW                                  1085 config BOOT_RAW
1059         bool                                     1086         bool
1060                                                  1087 
1061 config CEVT_BCM1480                              1088 config CEVT_BCM1480
1062         bool                                     1089         bool
1063                                                  1090 
1064 config CEVT_DS1287                               1091 config CEVT_DS1287
1065         bool                                     1092         bool
1066                                                  1093 
1067 config CEVT_GT641XX                              1094 config CEVT_GT641XX
1068         bool                                     1095         bool
1069                                                  1096 
1070 config CEVT_R4K                                  1097 config CEVT_R4K
1071         bool                                     1098         bool
1072                                                  1099 
1073 config CEVT_SB1250                               1100 config CEVT_SB1250
1074         bool                                     1101         bool
1075                                                  1102 
1076 config CEVT_TXX9                                 1103 config CEVT_TXX9
1077         bool                                     1104         bool
1078                                                  1105 
1079 config CSRC_BCM1480                              1106 config CSRC_BCM1480
1080         bool                                     1107         bool
1081                                                  1108 
1082 config CSRC_IOASIC                               1109 config CSRC_IOASIC
1083         bool                                     1110         bool
1084                                                  1111 
1085 config CSRC_R4K                                  1112 config CSRC_R4K
1086         select CLOCKSOURCE_WATCHDOG if CPU_FR    1113         select CLOCKSOURCE_WATCHDOG if CPU_FREQ
1087         select HAVE_UNSTABLE_SCHED_CLOCK if S << 
1088         bool                                     1114         bool
1089                                                  1115 
1090 config CSRC_SB1250                               1116 config CSRC_SB1250
1091         bool                                     1117         bool
1092                                                  1118 
1093 config MIPS_CLOCK_VSYSCALL                       1119 config MIPS_CLOCK_VSYSCALL
1094         def_bool CSRC_R4K || CLKSRC_MIPS_GIC     1120         def_bool CSRC_R4K || CLKSRC_MIPS_GIC
1095                                                  1121 
1096 config GPIO_TXX9                                 1122 config GPIO_TXX9
1097         select GPIOLIB                           1123         select GPIOLIB
1098         bool                                     1124         bool
1099                                                  1125 
1100 config FW_CFE                                    1126 config FW_CFE
1101         bool                                     1127         bool
1102                                                  1128 
1103 config ARCH_SUPPORTS_UPROBES                     1129 config ARCH_SUPPORTS_UPROBES
1104         def_bool y                            !! 1130         bool
                                                   >> 1131 
                                                   >> 1132 config DMA_MAYBE_COHERENT
                                                   >> 1133         select ARCH_HAS_DMA_COHERENCE_H
                                                   >> 1134         select DMA_NONCOHERENT
                                                   >> 1135         bool
                                                   >> 1136 
                                                   >> 1137 config DMA_PERDEV_COHERENT
                                                   >> 1138         bool
                                                   >> 1139         select ARCH_HAS_SETUP_DMA_OPS
                                                   >> 1140         select DMA_NONCOHERENT
1105                                                  1141 
1106 config DMA_NONCOHERENT                           1142 config DMA_NONCOHERENT
1107         bool                                     1143         bool
1108         #                                        1144         #
1109         # MIPS allows mixing "slightly differ    1145         # MIPS allows mixing "slightly different" Cacheability and Coherency
1110         # Attribute bits.  It is believed tha    1146         # Attribute bits.  It is believed that the uncached access through
1111         # KSEG1 and the implementation specif    1147         # KSEG1 and the implementation specific "uncached accelerated" used
1112         # by pgprot_writcombine can be mixed,    1148         # by pgprot_writcombine can be mixed, and the latter sometimes provides
1113         # significant advantages.                1149         # significant advantages.
1114         #                                        1150         #
1115         select ARCH_HAS_SETUP_DMA_OPS         << 
1116         select ARCH_HAS_DMA_WRITE_COMBINE        1151         select ARCH_HAS_DMA_WRITE_COMBINE
1117         select ARCH_HAS_DMA_PREP_COHERENT        1152         select ARCH_HAS_DMA_PREP_COHERENT
1118         select ARCH_HAS_SYNC_DMA_FOR_CPU      << 
1119         select ARCH_HAS_SYNC_DMA_FOR_DEVICE      1153         select ARCH_HAS_SYNC_DMA_FOR_DEVICE
1120         select ARCH_HAS_DMA_SET_UNCACHED         1154         select ARCH_HAS_DMA_SET_UNCACHED
1121         select DMA_NONCOHERENT_MMAP              1155         select DMA_NONCOHERENT_MMAP
                                                   >> 1156         select DMA_NONCOHERENT_CACHE_SYNC
1122         select NEED_DMA_MAP_STATE                1157         select NEED_DMA_MAP_STATE
1123                                                  1158 
1124 config SYS_HAS_EARLY_PRINTK                      1159 config SYS_HAS_EARLY_PRINTK
1125         bool                                     1160         bool
1126                                                  1161 
1127 config SYS_SUPPORTS_HOTPLUG_CPU                  1162 config SYS_SUPPORTS_HOTPLUG_CPU
1128         bool                                     1163         bool
1129                                                  1164 
1130 config MIPS_BONITO64                             1165 config MIPS_BONITO64
1131         bool                                     1166         bool
1132                                                  1167 
1133 config MIPS_MSC                                  1168 config MIPS_MSC
1134         bool                                     1169         bool
1135                                                  1170 
1136 config SYNC_R4K                                  1171 config SYNC_R4K
1137         bool                                     1172         bool
1138                                                  1173 
                                                   >> 1174 config MIPS_MACHINE
                                                   >> 1175         def_bool n
                                                   >> 1176 
1139 config NO_IOPORT_MAP                             1177 config NO_IOPORT_MAP
1140         def_bool n                               1178         def_bool n
1141                                                  1179 
1142 config GENERIC_CSUM                              1180 config GENERIC_CSUM
1143         def_bool CPU_NO_LOAD_STORE_LR            1181         def_bool CPU_NO_LOAD_STORE_LR
1144                                                  1182 
1145 config GENERIC_ISA_DMA                           1183 config GENERIC_ISA_DMA
1146         bool                                     1184         bool
1147         select ZONE_DMA if GENERIC_ISA_DMA_SU    1185         select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148         select ISA_DMA_API                       1186         select ISA_DMA_API
1149                                                  1187 
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN            1188 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151         bool                                     1189         bool
1152         select GENERIC_ISA_DMA                   1190         select GENERIC_ISA_DMA
1153                                                  1191 
1154 config HAVE_PLAT_DELAY                           1192 config HAVE_PLAT_DELAY
1155         bool                                     1193         bool
1156                                                  1194 
1157 config HAVE_PLAT_FW_INIT_CMDLINE                 1195 config HAVE_PLAT_FW_INIT_CMDLINE
1158         bool                                     1196         bool
1159                                                  1197 
1160 config HAVE_PLAT_MEMCPY                          1198 config HAVE_PLAT_MEMCPY
1161         bool                                     1199         bool
1162                                                  1200 
1163 config ISA_DMA_API                               1201 config ISA_DMA_API
1164         bool                                     1202         bool
1165                                                  1203 
                                                   >> 1204 config HOLES_IN_ZONE
                                                   >> 1205         bool
                                                   >> 1206 
1166 config SYS_SUPPORTS_RELOCATABLE                  1207 config SYS_SUPPORTS_RELOCATABLE
1167         bool                                     1208         bool
1168         help                                     1209         help
1169           Selected if the platform supports r    1210           Selected if the platform supports relocating the kernel.
1170           The platform must provide plat_get_    1211           The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
1171           to allow access to command line and    1212           to allow access to command line and entropy sources.
1172                                                  1213 
                                                   >> 1214 config MIPS_CBPF_JIT
                                                   >> 1215         def_bool y
                                                   >> 1216         depends on BPF_JIT && HAVE_CBPF_JIT
                                                   >> 1217 
                                                   >> 1218 config MIPS_EBPF_JIT
                                                   >> 1219         def_bool y
                                                   >> 1220         depends on BPF_JIT && HAVE_EBPF_JIT
                                                   >> 1221 
                                                   >> 1222 
1173 #                                                1223 #
1174 # Endianness selection.  Sufficiently obscure    1224 # Endianness selection.  Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl    1225 # answer,so we try hard to limit the available choices.  Also the use of a
1176 # choice statement should be more obvious to     1226 # choice statement should be more obvious to the user.
1177 #                                                1227 #
1178 choice                                           1228 choice
1179         prompt "Endianness selection"            1229         prompt "Endianness selection"
1180         help                                     1230         help
1181           Some MIPS machines can be configure    1231           Some MIPS machines can be configured for either little or big endian
1182           byte order. These modes require dif    1232           byte order. These modes require different kernels and a different
1183           Linux distribution.  In general the    1233           Linux distribution.  In general there is one preferred byteorder for a
1184           particular system but some systems     1234           particular system but some systems are just as commonly used in the
1185           one or the other endianness.           1235           one or the other endianness.
1186                                                  1236 
1187 config CPU_BIG_ENDIAN                            1237 config CPU_BIG_ENDIAN
1188         bool "Big endian"                        1238         bool "Big endian"
1189         depends on SYS_SUPPORTS_BIG_ENDIAN       1239         depends on SYS_SUPPORTS_BIG_ENDIAN
1190                                                  1240 
1191 config CPU_LITTLE_ENDIAN                         1241 config CPU_LITTLE_ENDIAN
1192         bool "Little endian"                     1242         bool "Little endian"
1193         depends on SYS_SUPPORTS_LITTLE_ENDIAN    1243         depends on SYS_SUPPORTS_LITTLE_ENDIAN
1194                                                  1244 
1195 endchoice                                        1245 endchoice
1196                                                  1246 
1197 config EXPORT_UASM                               1247 config EXPORT_UASM
1198         bool                                     1248         bool
1199                                                  1249 
1200 config SYS_SUPPORTS_APM_EMULATION                1250 config SYS_SUPPORTS_APM_EMULATION
1201         bool                                     1251         bool
1202                                                  1252 
1203 config SYS_SUPPORTS_BIG_ENDIAN                   1253 config SYS_SUPPORTS_BIG_ENDIAN
1204         bool                                     1254         bool
1205                                                  1255 
1206 config SYS_SUPPORTS_LITTLE_ENDIAN                1256 config SYS_SUPPORTS_LITTLE_ENDIAN
1207         bool                                     1257         bool
1208                                                  1258 
                                                   >> 1259 config SYS_SUPPORTS_HUGETLBFS
                                                   >> 1260         bool
                                                   >> 1261         depends on CPU_SUPPORTS_HUGEPAGES
                                                   >> 1262         default y
                                                   >> 1263 
1209 config MIPS_HUGE_TLB_SUPPORT                     1264 config MIPS_HUGE_TLB_SUPPORT
1210         def_bool HUGETLB_PAGE || TRANSPARENT_    1265         def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
1211                                                  1266 
                                                   >> 1267 config IRQ_CPU_RM7K
                                                   >> 1268         bool
                                                   >> 1269 
                                                   >> 1270 config IRQ_MSP_SLP
                                                   >> 1271         bool
                                                   >> 1272 
                                                   >> 1273 config IRQ_MSP_CIC
                                                   >> 1274         bool
                                                   >> 1275 
1212 config IRQ_TXX9                                  1276 config IRQ_TXX9
1213         bool                                     1277         bool
1214                                                  1278 
1215 config IRQ_GT641XX                               1279 config IRQ_GT641XX
1216         bool                                     1280         bool
1217                                                  1281 
1218 config PCI_GT64XXX_PCI0                          1282 config PCI_GT64XXX_PCI0
1219         bool                                     1283         bool
1220                                                  1284 
1221 config PCI_XTALK_BRIDGE                          1285 config PCI_XTALK_BRIDGE
1222         bool                                     1286         bool
1223                                                  1287 
1224 config NO_EXCEPT_FILL                            1288 config NO_EXCEPT_FILL
1225         bool                                     1289         bool
1226                                                  1290 
                                                   >> 1291 config SOC_PNX833X
                                                   >> 1292         bool
                                                   >> 1293         select CEVT_R4K
                                                   >> 1294         select CSRC_R4K
                                                   >> 1295         select IRQ_MIPS_CPU
                                                   >> 1296         select DMA_NONCOHERENT
                                                   >> 1297         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 1298         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 1299         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 1300         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1301         select SYS_SUPPORTS_MIPS16
                                                   >> 1302         select CPU_MIPSR2_IRQ_VI
                                                   >> 1303 
                                                   >> 1304 config SOC_PNX8335
                                                   >> 1305         bool
                                                   >> 1306         select SOC_PNX833X
                                                   >> 1307 
1227 config MIPS_SPRAM                                1308 config MIPS_SPRAM
1228         bool                                     1309         bool
1229                                                  1310 
1230 config SWAP_IO_SPACE                             1311 config SWAP_IO_SPACE
1231         bool                                     1312         bool
1232                                                  1313 
1233 config SGI_HAS_INDYDOG                           1314 config SGI_HAS_INDYDOG
1234         bool                                     1315         bool
1235                                                  1316 
1236 config SGI_HAS_HAL2                              1317 config SGI_HAS_HAL2
1237         bool                                     1318         bool
1238                                                  1319 
1239 config SGI_HAS_SEEQ                              1320 config SGI_HAS_SEEQ
1240         bool                                     1321         bool
1241                                                  1322 
1242 config SGI_HAS_WD93                              1323 config SGI_HAS_WD93
1243         bool                                     1324         bool
1244                                                  1325 
1245 config SGI_HAS_ZILOG                             1326 config SGI_HAS_ZILOG
1246         bool                                     1327         bool
1247                                                  1328 
1248 config SGI_HAS_I8042                             1329 config SGI_HAS_I8042
1249         bool                                     1330         bool
1250                                                  1331 
1251 config DEFAULT_SGI_PARTITION                     1332 config DEFAULT_SGI_PARTITION
1252         bool                                     1333         bool
1253                                                  1334 
1254 config FW_ARC32                                  1335 config FW_ARC32
1255         bool                                     1336         bool
1256                                                  1337 
1257 config FW_SNIPROM                                1338 config FW_SNIPROM
1258         bool                                     1339         bool
1259                                                  1340 
1260 config BOOT_ELF32                                1341 config BOOT_ELF32
1261         bool                                     1342         bool
1262                                                  1343 
1263 config MIPS_L1_CACHE_SHIFT_4                     1344 config MIPS_L1_CACHE_SHIFT_4
1264         bool                                     1345         bool
1265                                                  1346 
1266 config MIPS_L1_CACHE_SHIFT_5                     1347 config MIPS_L1_CACHE_SHIFT_5
1267         bool                                     1348         bool
1268                                                  1349 
1269 config MIPS_L1_CACHE_SHIFT_6                     1350 config MIPS_L1_CACHE_SHIFT_6
1270         bool                                     1351         bool
1271                                                  1352 
1272 config MIPS_L1_CACHE_SHIFT_7                     1353 config MIPS_L1_CACHE_SHIFT_7
1273         bool                                     1354         bool
1274                                                  1355 
1275 config MIPS_L1_CACHE_SHIFT                       1356 config MIPS_L1_CACHE_SHIFT
1276         int                                      1357         int
1277         default "7" if MIPS_L1_CACHE_SHIFT_7     1358         default "7" if MIPS_L1_CACHE_SHIFT_7
1278         default "6" if MIPS_L1_CACHE_SHIFT_6     1359         default "6" if MIPS_L1_CACHE_SHIFT_6
1279         default "5" if MIPS_L1_CACHE_SHIFT_5     1360         default "5" if MIPS_L1_CACHE_SHIFT_5
1280         default "4" if MIPS_L1_CACHE_SHIFT_4     1361         default "4" if MIPS_L1_CACHE_SHIFT_4
1281         default "5"                              1362         default "5"
1282                                                  1363 
1283 config ARC_CMDLINE_ONLY                          1364 config ARC_CMDLINE_ONLY
1284         bool                                     1365         bool
1285                                                  1366 
1286 config ARC_CONSOLE                               1367 config ARC_CONSOLE
1287         bool "ARC console support"               1368         bool "ARC console support"
1288         depends on SGI_IP22 || SGI_IP28 || (S    1369         depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289                                                  1370 
1290 config ARC_MEMORY                                1371 config ARC_MEMORY
1291         bool                                     1372         bool
1292                                                  1373 
1293 config ARC_PROMLIB                               1374 config ARC_PROMLIB
1294         bool                                     1375         bool
1295                                                  1376 
1296 config FW_ARC64                                  1377 config FW_ARC64
1297         bool                                     1378         bool
1298                                                  1379 
1299 config BOOT_ELF64                                1380 config BOOT_ELF64
1300         bool                                     1381         bool
1301                                                  1382 
1302 menu "CPU selection"                             1383 menu "CPU selection"
1303                                                  1384 
1304 choice                                           1385 choice
1305         prompt "CPU type"                        1386         prompt "CPU type"
1306         default CPU_R4X00                        1387         default CPU_R4X00
1307                                                  1388 
1308 config CPU_LOONGSON64                            1389 config CPU_LOONGSON64
1309         bool "Loongson 64-bit CPU"               1390         bool "Loongson 64-bit CPU"
1310         depends on SYS_HAS_CPU_LOONGSON64        1391         depends on SYS_HAS_CPU_LOONGSON64
1311         select ARCH_HAS_PHYS_TO_DMA              1392         select ARCH_HAS_PHYS_TO_DMA
1312         select CPU_MIPSR2                        1393         select CPU_MIPSR2
1313         select CPU_HAS_PREFETCH                  1394         select CPU_HAS_PREFETCH
1314         select CPU_SUPPORTS_64BIT_KERNEL         1395         select CPU_SUPPORTS_64BIT_KERNEL
1315         select CPU_SUPPORTS_HIGHMEM              1396         select CPU_SUPPORTS_HIGHMEM
1316         select CPU_SUPPORTS_HUGEPAGES            1397         select CPU_SUPPORTS_HUGEPAGES
1317         select CPU_SUPPORTS_MSA                  1398         select CPU_SUPPORTS_MSA
1318         select CPU_SUPPORTS_VZ                << 
1319         select CPU_DIEI_BROKEN if !LOONGSON3_    1399         select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
1320         select CPU_MIPSR2_IRQ_VI                 1400         select CPU_MIPSR2_IRQ_VI
1321         select DMA_NONCOHERENT                << 
1322         select WEAK_ORDERING                     1401         select WEAK_ORDERING
1323         select WEAK_REORDERING_BEYOND_LLSC       1402         select WEAK_REORDERING_BEYOND_LLSC
1324         select MIPS_ASID_BITS_VARIABLE           1403         select MIPS_ASID_BITS_VARIABLE
1325         select MIPS_PGD_C0_CONTEXT               1404         select MIPS_PGD_C0_CONTEXT
1326         select MIPS_L1_CACHE_SHIFT_6             1405         select MIPS_L1_CACHE_SHIFT_6
1327         select MIPS_FP_SUPPORT                << 
1328         select GPIOLIB                           1406         select GPIOLIB
1329         select SWIOTLB                           1407         select SWIOTLB
                                                   >> 1408         select HAVE_KVM
1330         help                                     1409         help
1331           The Loongson GSx64(GS264/GS464/GS46 !! 1410                 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
1332           cores implements the MIPS64R2 instr !! 1411                 cores implements the MIPS64R2 instruction set with many extensions,
1333           including most 64-bit Loongson-2 (2 !! 1412                 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
1334           3B1000, 3B1500, 3A2000, 3A3000 and  !! 1413                 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
1335           Loongson-2E/2F is not covered here  !! 1414                 Loongson-2E/2F is not covered here and will be removed in future.
                                                   >> 1415 
                                                   >> 1416 config LOONGSON3_ENHANCEMENT
                                                   >> 1417         bool "New Loongson-3 CPU Enhancements"
                                                   >> 1418         default n
                                                   >> 1419         depends on CPU_LOONGSON64
                                                   >> 1420         help
                                                   >> 1421           New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
                                                   >> 1422           R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
                                                   >> 1423           FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
                                                   >> 1424           Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
                                                   >> 1425           Fast TLB refill support, etc.
                                                   >> 1426 
                                                   >> 1427           This option enable those enhancements which are not probed at run
                                                   >> 1428           time. If you want a generic kernel to run on all Loongson 3 machines,
                                                   >> 1429           please say 'N' here. If you want a high-performance kernel to run on
                                                   >> 1430           new Loongson-3 machines only, please say 'Y' here.
                                                   >> 1431 
                                                   >> 1432 config CPU_LOONGSON3_WORKAROUNDS
                                                   >> 1433         bool "Old Loongson-3 LLSC Workarounds"
                                                   >> 1434         default y if SMP
                                                   >> 1435         depends on CPU_LOONGSON64
                                                   >> 1436         help
                                                   >> 1437           Loongson-3 processors have the llsc issues which require workarounds.
                                                   >> 1438           Without workarounds the system may hang unexpectedly.
                                                   >> 1439 
                                                   >> 1440           Newer Loongson-3 will fix these issues and no workarounds are needed.
                                                   >> 1441           The workarounds have no significant side effect on them but may
                                                   >> 1442           decrease the performance of the system so this option should be
                                                   >> 1443           disabled unless the kernel is intended to be run on old systems.
                                                   >> 1444 
                                                   >> 1445           If unsure, please say Y.
                                                   >> 1446 
                                                   >> 1447 config CPU_LOONGSON3_CPUCFG_EMULATION
                                                   >> 1448         bool "Emulate the CPUCFG instruction on older Loongson cores"
                                                   >> 1449         default y
                                                   >> 1450         depends on CPU_LOONGSON64
                                                   >> 1451         help
                                                   >> 1452           Loongson-3A R4 and newer have the CPUCFG instruction available for
                                                   >> 1453           userland to query CPU capabilities, much like CPUID on x86. This
                                                   >> 1454           option provides emulation of the instruction on older Loongson
                                                   >> 1455           cores, back to Loongson-3A1000.
                                                   >> 1456 
                                                   >> 1457           If unsure, please say Y.
1336                                                  1458 
1337 config CPU_LOONGSON2E                            1459 config CPU_LOONGSON2E
1338         bool "Loongson 2E"                       1460         bool "Loongson 2E"
1339         depends on SYS_HAS_CPU_LOONGSON2E        1461         depends on SYS_HAS_CPU_LOONGSON2E
1340         select CPU_LOONGSON2EF                   1462         select CPU_LOONGSON2EF
1341         help                                     1463         help
1342           The Loongson 2E processor implement    1464           The Loongson 2E processor implements the MIPS III instruction set
1343           with many extensions.                  1465           with many extensions.
1344                                                  1466 
1345           It has an internal FPGA northbridge    1467           It has an internal FPGA northbridge, which is compatible to
1346           bonito64.                              1468           bonito64.
1347                                                  1469 
1348 config CPU_LOONGSON2F                            1470 config CPU_LOONGSON2F
1349         bool "Loongson 2F"                       1471         bool "Loongson 2F"
1350         depends on SYS_HAS_CPU_LOONGSON2F        1472         depends on SYS_HAS_CPU_LOONGSON2F
1351         select CPU_LOONGSON2EF                   1473         select CPU_LOONGSON2EF
                                                   >> 1474         select GPIOLIB
1352         help                                     1475         help
1353           The Loongson 2F processor implement    1476           The Loongson 2F processor implements the MIPS III instruction set
1354           with many extensions.                  1477           with many extensions.
1355                                                  1478 
1356           Loongson2F have built-in DDR2 and P    1479           Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
1357           have a similar programming interfac    1480           have a similar programming interface with FPGA northbridge used in
1358           Loongson2E.                            1481           Loongson2E.
1359                                                  1482 
1360 config CPU_LOONGSON1B                            1483 config CPU_LOONGSON1B
1361         bool "Loongson 1B"                       1484         bool "Loongson 1B"
1362         depends on SYS_HAS_CPU_LOONGSON1B        1485         depends on SYS_HAS_CPU_LOONGSON1B
1363         select CPU_LOONGSON32                    1486         select CPU_LOONGSON32
1364         select LEDS_GPIO_REGISTER                1487         select LEDS_GPIO_REGISTER
1365         help                                     1488         help
1366           The Loongson 1B is a 32-bit SoC, wh    1489           The Loongson 1B is a 32-bit SoC, which implements the MIPS32
1367           Release 1 instruction set and part     1490           Release 1 instruction set and part of the MIPS32 Release 2
1368           instruction set.                       1491           instruction set.
1369                                                  1492 
1370 config CPU_LOONGSON1C                            1493 config CPU_LOONGSON1C
1371         bool "Loongson 1C"                       1494         bool "Loongson 1C"
1372         depends on SYS_HAS_CPU_LOONGSON1C        1495         depends on SYS_HAS_CPU_LOONGSON1C
1373         select CPU_LOONGSON32                    1496         select CPU_LOONGSON32
1374         select LEDS_GPIO_REGISTER                1497         select LEDS_GPIO_REGISTER
1375         help                                     1498         help
1376           The Loongson 1C is a 32-bit SoC, wh    1499           The Loongson 1C is a 32-bit SoC, which implements the MIPS32
1377           Release 1 instruction set and part     1500           Release 1 instruction set and part of the MIPS32 Release 2
1378           instruction set.                       1501           instruction set.
1379                                                  1502 
1380 config CPU_MIPS32_R1                             1503 config CPU_MIPS32_R1
1381         bool "MIPS32 Release 1"                  1504         bool "MIPS32 Release 1"
1382         depends on SYS_HAS_CPU_MIPS32_R1         1505         depends on SYS_HAS_CPU_MIPS32_R1
1383         select CPU_HAS_PREFETCH                  1506         select CPU_HAS_PREFETCH
1384         select CPU_SUPPORTS_32BIT_KERNEL         1507         select CPU_SUPPORTS_32BIT_KERNEL
1385         select CPU_SUPPORTS_HIGHMEM              1508         select CPU_SUPPORTS_HIGHMEM
1386         help                                     1509         help
1387           Choose this option to build a kerne    1510           Choose this option to build a kernel for release 1 or later of the
1388           MIPS32 architecture.  Most modern e    1511           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1389           MIPS processor are based on a MIPS3    1512           MIPS processor are based on a MIPS32 processor.  If you know the
1390           specific type of processor in your     1513           specific type of processor in your system, choose those that one
1391           otherwise CPU_MIPS32_R1 is a safe b    1514           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392           Release 2 of the MIPS32 architectur    1515           Release 2 of the MIPS32 architecture is available since several
1393           years so chances are you even have     1516           years so chances are you even have a MIPS32 Release 2 processor
1394           in which case you should choose CPU    1517           in which case you should choose CPU_MIPS32_R2 instead for better
1395           performance.                           1518           performance.
1396                                                  1519 
1397 config CPU_MIPS32_R2                             1520 config CPU_MIPS32_R2
1398         bool "MIPS32 Release 2"                  1521         bool "MIPS32 Release 2"
1399         depends on SYS_HAS_CPU_MIPS32_R2         1522         depends on SYS_HAS_CPU_MIPS32_R2
1400         select CPU_HAS_PREFETCH                  1523         select CPU_HAS_PREFETCH
1401         select CPU_SUPPORTS_32BIT_KERNEL         1524         select CPU_SUPPORTS_32BIT_KERNEL
1402         select CPU_SUPPORTS_HIGHMEM              1525         select CPU_SUPPORTS_HIGHMEM
1403         select CPU_SUPPORTS_MSA                  1526         select CPU_SUPPORTS_MSA
                                                   >> 1527         select HAVE_KVM
1404         help                                     1528         help
1405           Choose this option to build a kerne    1529           Choose this option to build a kernel for release 2 or later of the
1406           MIPS32 architecture.  Most modern e    1530           MIPS32 architecture.  Most modern embedded systems with a 32-bit
1407           MIPS processor are based on a MIPS3    1531           MIPS processor are based on a MIPS32 processor.  If you know the
1408           specific type of processor in your     1532           specific type of processor in your system, choose those that one
1409           otherwise CPU_MIPS32_R1 is a safe b    1533           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410                                                  1534 
1411 config CPU_MIPS32_R5                             1535 config CPU_MIPS32_R5
1412         bool "MIPS32 Release 5"                  1536         bool "MIPS32 Release 5"
1413         depends on SYS_HAS_CPU_MIPS32_R5         1537         depends on SYS_HAS_CPU_MIPS32_R5
1414         select CPU_HAS_PREFETCH                  1538         select CPU_HAS_PREFETCH
1415         select CPU_SUPPORTS_32BIT_KERNEL         1539         select CPU_SUPPORTS_32BIT_KERNEL
1416         select CPU_SUPPORTS_HIGHMEM              1540         select CPU_SUPPORTS_HIGHMEM
1417         select CPU_SUPPORTS_MSA                  1541         select CPU_SUPPORTS_MSA
1418         select CPU_SUPPORTS_VZ                !! 1542         select HAVE_KVM
1419         select MIPS_O32_FP64_SUPPORT             1543         select MIPS_O32_FP64_SUPPORT
1420         help                                     1544         help
1421           Choose this option to build a kerne    1545           Choose this option to build a kernel for release 5 or later of the
1422           MIPS32 architecture.  New MIPS proc    1546           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1423           family, are based on a MIPS32r5 pro    1547           family, are based on a MIPS32r5 processor. If you own an older
1424           processor, you probably need to sel    1548           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1425                                                  1549 
1426 config CPU_MIPS32_R6                             1550 config CPU_MIPS32_R6
1427         bool "MIPS32 Release 6"                  1551         bool "MIPS32 Release 6"
1428         depends on SYS_HAS_CPU_MIPS32_R6         1552         depends on SYS_HAS_CPU_MIPS32_R6
1429         select CPU_HAS_PREFETCH                  1553         select CPU_HAS_PREFETCH
1430         select CPU_NO_LOAD_STORE_LR              1554         select CPU_NO_LOAD_STORE_LR
1431         select CPU_SUPPORTS_32BIT_KERNEL         1555         select CPU_SUPPORTS_32BIT_KERNEL
1432         select CPU_SUPPORTS_HIGHMEM              1556         select CPU_SUPPORTS_HIGHMEM
1433         select CPU_SUPPORTS_MSA                  1557         select CPU_SUPPORTS_MSA
1434         select CPU_SUPPORTS_VZ                !! 1558         select HAVE_KVM
1435         select MIPS_O32_FP64_SUPPORT             1559         select MIPS_O32_FP64_SUPPORT
1436         help                                     1560         help
1437           Choose this option to build a kerne    1561           Choose this option to build a kernel for release 6 or later of the
1438           MIPS32 architecture.  New MIPS proc    1562           MIPS32 architecture.  New MIPS processors, starting with the Warrior
1439           family, are based on a MIPS32r6 pro    1563           family, are based on a MIPS32r6 processor. If you own an older
1440           processor, you probably need to sel    1564           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
1441                                                  1565 
1442 config CPU_MIPS64_R1                             1566 config CPU_MIPS64_R1
1443         bool "MIPS64 Release 1"                  1567         bool "MIPS64 Release 1"
1444         depends on SYS_HAS_CPU_MIPS64_R1         1568         depends on SYS_HAS_CPU_MIPS64_R1
1445         select CPU_HAS_PREFETCH                  1569         select CPU_HAS_PREFETCH
1446         select CPU_SUPPORTS_32BIT_KERNEL         1570         select CPU_SUPPORTS_32BIT_KERNEL
1447         select CPU_SUPPORTS_64BIT_KERNEL         1571         select CPU_SUPPORTS_64BIT_KERNEL
1448         select CPU_SUPPORTS_HIGHMEM              1572         select CPU_SUPPORTS_HIGHMEM
1449         select CPU_SUPPORTS_HUGEPAGES            1573         select CPU_SUPPORTS_HUGEPAGES
1450         help                                     1574         help
1451           Choose this option to build a kerne    1575           Choose this option to build a kernel for release 1 or later of the
1452           MIPS64 architecture.  Many modern e    1576           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1453           MIPS processor are based on a MIPS6    1577           MIPS processor are based on a MIPS64 processor.  If you know the
1454           specific type of processor in your     1578           specific type of processor in your system, choose those that one
1455           otherwise CPU_MIPS64_R1 is a safe b    1579           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456           Release 2 of the MIPS64 architectur    1580           Release 2 of the MIPS64 architecture is available since several
1457           years so chances are you even have     1581           years so chances are you even have a MIPS64 Release 2 processor
1458           in which case you should choose CPU    1582           in which case you should choose CPU_MIPS64_R2 instead for better
1459           performance.                           1583           performance.
1460                                                  1584 
1461 config CPU_MIPS64_R2                             1585 config CPU_MIPS64_R2
1462         bool "MIPS64 Release 2"                  1586         bool "MIPS64 Release 2"
1463         depends on SYS_HAS_CPU_MIPS64_R2         1587         depends on SYS_HAS_CPU_MIPS64_R2
1464         select CPU_HAS_PREFETCH                  1588         select CPU_HAS_PREFETCH
1465         select CPU_SUPPORTS_32BIT_KERNEL         1589         select CPU_SUPPORTS_32BIT_KERNEL
1466         select CPU_SUPPORTS_64BIT_KERNEL         1590         select CPU_SUPPORTS_64BIT_KERNEL
1467         select CPU_SUPPORTS_HIGHMEM              1591         select CPU_SUPPORTS_HIGHMEM
1468         select CPU_SUPPORTS_HUGEPAGES            1592         select CPU_SUPPORTS_HUGEPAGES
1469         select CPU_SUPPORTS_MSA                  1593         select CPU_SUPPORTS_MSA
                                                   >> 1594         select HAVE_KVM
1470         help                                     1595         help
1471           Choose this option to build a kerne    1596           Choose this option to build a kernel for release 2 or later of the
1472           MIPS64 architecture.  Many modern e    1597           MIPS64 architecture.  Many modern embedded systems with a 64-bit
1473           MIPS processor are based on a MIPS6    1598           MIPS processor are based on a MIPS64 processor.  If you know the
1474           specific type of processor in your     1599           specific type of processor in your system, choose those that one
1475           otherwise CPU_MIPS64_R1 is a safe b    1600           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476                                                  1601 
1477 config CPU_MIPS64_R5                             1602 config CPU_MIPS64_R5
1478         bool "MIPS64 Release 5"                  1603         bool "MIPS64 Release 5"
1479         depends on SYS_HAS_CPU_MIPS64_R5         1604         depends on SYS_HAS_CPU_MIPS64_R5
1480         select CPU_HAS_PREFETCH                  1605         select CPU_HAS_PREFETCH
1481         select CPU_SUPPORTS_32BIT_KERNEL         1606         select CPU_SUPPORTS_32BIT_KERNEL
1482         select CPU_SUPPORTS_64BIT_KERNEL         1607         select CPU_SUPPORTS_64BIT_KERNEL
1483         select CPU_SUPPORTS_HIGHMEM              1608         select CPU_SUPPORTS_HIGHMEM
1484         select CPU_SUPPORTS_HUGEPAGES            1609         select CPU_SUPPORTS_HUGEPAGES
1485         select CPU_SUPPORTS_MSA                  1610         select CPU_SUPPORTS_MSA
1486         select MIPS_O32_FP64_SUPPORT if 32BIT    1611         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1487         select CPU_SUPPORTS_VZ                !! 1612         select HAVE_KVM
1488         help                                     1613         help
1489           Choose this option to build a kerne    1614           Choose this option to build a kernel for release 5 or later of the
1490           MIPS64 architecture.  This is a int    1615           MIPS64 architecture.  This is a intermediate MIPS architecture
1491           release partly implementing release    1616           release partly implementing release 6 features. Though there is no
1492           any hardware known to be based on t    1617           any hardware known to be based on this release.
1493                                                  1618 
1494 config CPU_MIPS64_R6                             1619 config CPU_MIPS64_R6
1495         bool "MIPS64 Release 6"                  1620         bool "MIPS64 Release 6"
1496         depends on SYS_HAS_CPU_MIPS64_R6         1621         depends on SYS_HAS_CPU_MIPS64_R6
1497         select CPU_HAS_PREFETCH                  1622         select CPU_HAS_PREFETCH
1498         select CPU_NO_LOAD_STORE_LR              1623         select CPU_NO_LOAD_STORE_LR
1499         select CPU_SUPPORTS_32BIT_KERNEL         1624         select CPU_SUPPORTS_32BIT_KERNEL
1500         select CPU_SUPPORTS_64BIT_KERNEL         1625         select CPU_SUPPORTS_64BIT_KERNEL
1501         select CPU_SUPPORTS_HIGHMEM              1626         select CPU_SUPPORTS_HIGHMEM
1502         select CPU_SUPPORTS_HUGEPAGES            1627         select CPU_SUPPORTS_HUGEPAGES
1503         select CPU_SUPPORTS_MSA                  1628         select CPU_SUPPORTS_MSA
1504         select MIPS_O32_FP64_SUPPORT if 32BIT    1629         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
1505         select CPU_SUPPORTS_VZ                !! 1630         select HAVE_KVM
1506         help                                     1631         help
1507           Choose this option to build a kerne    1632           Choose this option to build a kernel for release 6 or later of the
1508           MIPS64 architecture.  New MIPS proc    1633           MIPS64 architecture.  New MIPS processors, starting with the Warrior
1509           family, are based on a MIPS64r6 pro    1634           family, are based on a MIPS64r6 processor. If you own an older
1510           processor, you probably need to sel    1635           processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
1511                                                  1636 
1512 config CPU_P5600                                 1637 config CPU_P5600
1513         bool "MIPS Warrior P5600"                1638         bool "MIPS Warrior P5600"
1514         depends on SYS_HAS_CPU_P5600             1639         depends on SYS_HAS_CPU_P5600
1515         select CPU_HAS_PREFETCH                  1640         select CPU_HAS_PREFETCH
1516         select CPU_SUPPORTS_32BIT_KERNEL         1641         select CPU_SUPPORTS_32BIT_KERNEL
1517         select CPU_SUPPORTS_HIGHMEM              1642         select CPU_SUPPORTS_HIGHMEM
1518         select CPU_SUPPORTS_MSA                  1643         select CPU_SUPPORTS_MSA
                                                   >> 1644         select CPU_SUPPORTS_UNCACHED_ACCELERATED
1519         select CPU_SUPPORTS_CPUFREQ              1645         select CPU_SUPPORTS_CPUFREQ
1520         select CPU_SUPPORTS_VZ                << 
1521         select CPU_MIPSR2_IRQ_VI                 1646         select CPU_MIPSR2_IRQ_VI
1522         select CPU_MIPSR2_IRQ_EI                 1647         select CPU_MIPSR2_IRQ_EI
                                                   >> 1648         select HAVE_KVM
1523         select MIPS_O32_FP64_SUPPORT             1649         select MIPS_O32_FP64_SUPPORT
1524         help                                     1650         help
1525           Choose this option to build a kerne    1651           Choose this option to build a kernel for MIPS Warrior P5600 CPU.
1526           It's based on MIPS32r5 ISA with XPA    1652           It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
1527           MMU with two-levels TLB, UCA, MSA,     1653           MMU with two-levels TLB, UCA, MSA, MDU core level features and system
1528           level features like up to six P5600    1654           level features like up to six P5600 calculation cores, CM2 with L2
1529           cache, IOCU/IOMMU (though might be     1655           cache, IOCU/IOMMU (though might be unused depending on the system-
1530           specific IP core configuration), GI    1656           specific IP core configuration), GIC, CPC, virtualisation module,
1531           eJTAG and PDtrace.                     1657           eJTAG and PDtrace.
1532                                                  1658 
1533 config CPU_R3000                                 1659 config CPU_R3000
1534         bool "R3000"                             1660         bool "R3000"
1535         depends on SYS_HAS_CPU_R3000             1661         depends on SYS_HAS_CPU_R3000
1536         select CPU_HAS_WB                        1662         select CPU_HAS_WB
1537         select CPU_R3K_TLB                       1663         select CPU_R3K_TLB
1538         select CPU_SUPPORTS_32BIT_KERNEL         1664         select CPU_SUPPORTS_32BIT_KERNEL
1539         select CPU_SUPPORTS_HIGHMEM              1665         select CPU_SUPPORTS_HIGHMEM
1540         help                                     1666         help
1541           Please make sure to pick the right     1667           Please make sure to pick the right CPU type. Linux/MIPS is not
1542           designed to be generic, i.e. Kernel    1668           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543           *not* work on R4000 machines and vi    1669           *not* work on R4000 machines and vice versa.  However, since most
1544           of the supported machines have an R    1670           of the supported machines have an R4000 (or similar) CPU, R4x00
1545           might be a safe bet.  If the result    1671           might be a safe bet.  If the resulting kernel does not work,
1546           try to recompile with R3000.           1672           try to recompile with R3000.
1547                                                  1673 
1548 config CPU_R4300                              !! 1674 config CPU_TX39XX
1549         bool "R4300"                          !! 1675         bool "R39XX"
1550         depends on SYS_HAS_CPU_R4300          !! 1676         depends on SYS_HAS_CPU_TX39XX
                                                   >> 1677         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1678         select CPU_R3K_TLB
                                                   >> 1679 
                                                   >> 1680 config CPU_VR41XX
                                                   >> 1681         bool "R41xx"
                                                   >> 1682         depends on SYS_HAS_CPU_VR41XX
1551         select CPU_SUPPORTS_32BIT_KERNEL         1683         select CPU_SUPPORTS_32BIT_KERNEL
1552         select CPU_SUPPORTS_64BIT_KERNEL         1684         select CPU_SUPPORTS_64BIT_KERNEL
1553         help                                     1685         help
1554           MIPS Technologies R4300-series proc !! 1686           The options selects support for the NEC VR4100 series of processors.
                                                   >> 1687           Only choose this option if you have one of these processors as a
                                                   >> 1688           kernel built with this option will not run on any other type of
                                                   >> 1689           processor or vice versa.
1555                                                  1690 
1556 config CPU_R4X00                                 1691 config CPU_R4X00
1557         bool "R4x00"                             1692         bool "R4x00"
1558         depends on SYS_HAS_CPU_R4X00             1693         depends on SYS_HAS_CPU_R4X00
1559         select CPU_SUPPORTS_32BIT_KERNEL         1694         select CPU_SUPPORTS_32BIT_KERNEL
1560         select CPU_SUPPORTS_64BIT_KERNEL         1695         select CPU_SUPPORTS_64BIT_KERNEL
1561         select CPU_SUPPORTS_HUGEPAGES            1696         select CPU_SUPPORTS_HUGEPAGES
1562         help                                     1697         help
1563           MIPS Technologies R4000-series proc    1698           MIPS Technologies R4000-series processors other than 4300, including
1564           the R4000, R4400, R4600, and 4700.     1699           the R4000, R4400, R4600, and 4700.
1565                                                  1700 
1566 config CPU_TX49XX                                1701 config CPU_TX49XX
1567         bool "R49XX"                             1702         bool "R49XX"
1568         depends on SYS_HAS_CPU_TX49XX            1703         depends on SYS_HAS_CPU_TX49XX
1569         select CPU_HAS_PREFETCH                  1704         select CPU_HAS_PREFETCH
1570         select CPU_SUPPORTS_32BIT_KERNEL         1705         select CPU_SUPPORTS_32BIT_KERNEL
1571         select CPU_SUPPORTS_64BIT_KERNEL         1706         select CPU_SUPPORTS_64BIT_KERNEL
1572         select CPU_SUPPORTS_HUGEPAGES            1707         select CPU_SUPPORTS_HUGEPAGES
1573                                                  1708 
1574 config CPU_R5000                                 1709 config CPU_R5000
1575         bool "R5000"                             1710         bool "R5000"
1576         depends on SYS_HAS_CPU_R5000             1711         depends on SYS_HAS_CPU_R5000
1577         select CPU_SUPPORTS_32BIT_KERNEL         1712         select CPU_SUPPORTS_32BIT_KERNEL
1578         select CPU_SUPPORTS_64BIT_KERNEL         1713         select CPU_SUPPORTS_64BIT_KERNEL
1579         select CPU_SUPPORTS_HUGEPAGES            1714         select CPU_SUPPORTS_HUGEPAGES
1580         help                                     1715         help
1581           MIPS Technologies R5000-series proc    1716           MIPS Technologies R5000-series processors other than the Nevada.
1582                                                  1717 
1583 config CPU_R5500                                 1718 config CPU_R5500
1584         bool "R5500"                             1719         bool "R5500"
1585         depends on SYS_HAS_CPU_R5500             1720         depends on SYS_HAS_CPU_R5500
1586         select CPU_SUPPORTS_32BIT_KERNEL         1721         select CPU_SUPPORTS_32BIT_KERNEL
1587         select CPU_SUPPORTS_64BIT_KERNEL         1722         select CPU_SUPPORTS_64BIT_KERNEL
1588         select CPU_SUPPORTS_HUGEPAGES            1723         select CPU_SUPPORTS_HUGEPAGES
1589         help                                     1724         help
1590           NEC VR5500 and VR5500A series proce    1725           NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591           instruction set.                       1726           instruction set.
1592                                                  1727 
1593 config CPU_NEVADA                                1728 config CPU_NEVADA
1594         bool "RM52xx"                            1729         bool "RM52xx"
1595         depends on SYS_HAS_CPU_NEVADA            1730         depends on SYS_HAS_CPU_NEVADA
1596         select CPU_SUPPORTS_32BIT_KERNEL         1731         select CPU_SUPPORTS_32BIT_KERNEL
1597         select CPU_SUPPORTS_64BIT_KERNEL         1732         select CPU_SUPPORTS_64BIT_KERNEL
1598         select CPU_SUPPORTS_HUGEPAGES            1733         select CPU_SUPPORTS_HUGEPAGES
1599         help                                     1734         help
1600           QED / PMC-Sierra RM52xx-series ("Ne    1735           QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601                                                  1736 
1602 config CPU_R10000                                1737 config CPU_R10000
1603         bool "R10000"                            1738         bool "R10000"
1604         depends on SYS_HAS_CPU_R10000            1739         depends on SYS_HAS_CPU_R10000
1605         select CPU_HAS_PREFETCH                  1740         select CPU_HAS_PREFETCH
1606         select CPU_SUPPORTS_32BIT_KERNEL         1741         select CPU_SUPPORTS_32BIT_KERNEL
1607         select CPU_SUPPORTS_64BIT_KERNEL         1742         select CPU_SUPPORTS_64BIT_KERNEL
1608         select CPU_SUPPORTS_HIGHMEM              1743         select CPU_SUPPORTS_HIGHMEM
1609         select CPU_SUPPORTS_HUGEPAGES            1744         select CPU_SUPPORTS_HUGEPAGES
1610         help                                     1745         help
1611           MIPS Technologies R10000-series pro    1746           MIPS Technologies R10000-series processors.
1612                                                  1747 
1613 config CPU_RM7000                                1748 config CPU_RM7000
1614         bool "RM7000"                            1749         bool "RM7000"
1615         depends on SYS_HAS_CPU_RM7000            1750         depends on SYS_HAS_CPU_RM7000
1616         select CPU_HAS_PREFETCH                  1751         select CPU_HAS_PREFETCH
1617         select CPU_SUPPORTS_32BIT_KERNEL         1752         select CPU_SUPPORTS_32BIT_KERNEL
1618         select CPU_SUPPORTS_64BIT_KERNEL         1753         select CPU_SUPPORTS_64BIT_KERNEL
1619         select CPU_SUPPORTS_HIGHMEM              1754         select CPU_SUPPORTS_HIGHMEM
1620         select CPU_SUPPORTS_HUGEPAGES            1755         select CPU_SUPPORTS_HUGEPAGES
1621                                                  1756 
1622 config CPU_SB1                                   1757 config CPU_SB1
1623         bool "SB1"                               1758         bool "SB1"
1624         depends on SYS_HAS_CPU_SB1               1759         depends on SYS_HAS_CPU_SB1
1625         select CPU_SUPPORTS_32BIT_KERNEL         1760         select CPU_SUPPORTS_32BIT_KERNEL
1626         select CPU_SUPPORTS_64BIT_KERNEL         1761         select CPU_SUPPORTS_64BIT_KERNEL
1627         select CPU_SUPPORTS_HIGHMEM              1762         select CPU_SUPPORTS_HIGHMEM
1628         select CPU_SUPPORTS_HUGEPAGES            1763         select CPU_SUPPORTS_HUGEPAGES
1629         select WEAK_ORDERING                     1764         select WEAK_ORDERING
1630                                                  1765 
1631 config CPU_CAVIUM_OCTEON                         1766 config CPU_CAVIUM_OCTEON
1632         bool "Cavium Octeon processor"           1767         bool "Cavium Octeon processor"
1633         depends on SYS_HAS_CPU_CAVIUM_OCTEON     1768         depends on SYS_HAS_CPU_CAVIUM_OCTEON
1634         select CPU_HAS_PREFETCH                  1769         select CPU_HAS_PREFETCH
1635         select CPU_SUPPORTS_64BIT_KERNEL         1770         select CPU_SUPPORTS_64BIT_KERNEL
1636         select HAVE_PAGE_SIZE_8KB if !MIPS_VA << 
1637         select HAVE_PAGE_SIZE_32KB if !MIPS_V << 
1638         select WEAK_ORDERING                     1771         select WEAK_ORDERING
1639         select CPU_SUPPORTS_HIGHMEM              1772         select CPU_SUPPORTS_HIGHMEM
1640         select CPU_SUPPORTS_HUGEPAGES            1773         select CPU_SUPPORTS_HUGEPAGES
1641         select USB_EHCI_BIG_ENDIAN_MMIO if CP    1774         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1642         select USB_OHCI_BIG_ENDIAN_MMIO if CP    1775         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
1643         select MIPS_L1_CACHE_SHIFT_7             1776         select MIPS_L1_CACHE_SHIFT_7
1644         select CPU_SUPPORTS_VZ                !! 1777         select HAVE_KVM
1645         help                                     1778         help
1646           The Cavium Octeon processor is a hi    1779           The Cavium Octeon processor is a highly integrated chip containing
1647           many ethernet hardware widgets for     1780           many ethernet hardware widgets for networking tasks. The processor
1648           can have up to 16 Mips64v2 cores an    1781           can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649           Full details can be found at http:/    1782           Full details can be found at http://www.caviumnetworks.com.
1650                                                  1783 
1651 config CPU_BMIPS                                 1784 config CPU_BMIPS
1652         bool "Broadcom BMIPS"                    1785         bool "Broadcom BMIPS"
1653         depends on SYS_HAS_CPU_BMIPS             1786         depends on SYS_HAS_CPU_BMIPS
1654         select CPU_MIPS32                        1787         select CPU_MIPS32
1655         select CPU_BMIPS32_3300 if SYS_HAS_CP    1788         select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
1656         select CPU_BMIPS4350 if SYS_HAS_CPU_B    1789         select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
1657         select CPU_BMIPS4380 if SYS_HAS_CPU_B    1790         select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
1658         select CPU_BMIPS5000 if SYS_HAS_CPU_B    1791         select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
1659         select CPU_SUPPORTS_32BIT_KERNEL         1792         select CPU_SUPPORTS_32BIT_KERNEL
1660         select DMA_NONCOHERENT                   1793         select DMA_NONCOHERENT
1661         select IRQ_MIPS_CPU                      1794         select IRQ_MIPS_CPU
1662         select SWAP_IO_SPACE                     1795         select SWAP_IO_SPACE
1663         select WEAK_ORDERING                     1796         select WEAK_ORDERING
1664         select CPU_SUPPORTS_HIGHMEM              1797         select CPU_SUPPORTS_HIGHMEM
1665         select CPU_HAS_PREFETCH                  1798         select CPU_HAS_PREFETCH
1666         select CPU_SUPPORTS_CPUFREQ              1799         select CPU_SUPPORTS_CPUFREQ
1667         select MIPS_EXTERNAL_TIMER               1800         select MIPS_EXTERNAL_TIMER
1668         select GENERIC_IRQ_MIGRATION if HOTPL << 
1669         help                                     1801         help
1670           Support for BMIPS32/3300/4350/4380     1802           Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
1671                                                  1803 
1672 endchoice                                     !! 1804 config CPU_XLR
1673                                               !! 1805         bool "Netlogic XLR SoC"
1674 config LOONGSON3_ENHANCEMENT                  !! 1806         depends on SYS_HAS_CPU_XLR
1675         bool "New Loongson-3 CPU Enhancements !! 1807         select CPU_SUPPORTS_32BIT_KERNEL
1676         default n                             !! 1808         select CPU_SUPPORTS_64BIT_KERNEL
1677         depends on CPU_LOONGSON64             !! 1809         select CPU_SUPPORTS_HIGHMEM
1678         help                                  !! 1810         select CPU_SUPPORTS_HUGEPAGES
1679           New Loongson-3 cores (since Loongso !! 1811         select WEAK_ORDERING
1680           R1, Loongson-3B R1 and Loongson-3B  !! 1812         select WEAK_REORDERING_BEYOND_LLSC
1681           FTLB, L1-VCache, EI/DI/Wait/Prefetc << 
1682           Local register, Read-Inhibit/Execut << 
1683           Fast TLB refill support, etc.       << 
1684                                               << 
1685           This option enable those enhancemen << 
1686           time. If you want a generic kernel  << 
1687           please say 'N' here. If you want a  << 
1688           new Loongson-3 machines only, pleas << 
1689                                               << 
1690 config CPU_LOONGSON3_WORKAROUNDS              << 
1691         bool "Loongson-3 LLSC Workarounds"    << 
1692         default y if SMP                      << 
1693         depends on CPU_LOONGSON64             << 
1694         help                                     1813         help
1695           Loongson-3 processors have the llsc !! 1814           Netlogic Microsystems XLR/XLS processors.
1696           Without workarounds the system may  << 
1697                                               << 
1698           Say Y, unless you know what you are << 
1699                                                  1815 
1700 config CPU_LOONGSON3_CPUCFG_EMULATION         !! 1816 config CPU_XLP
1701         bool "Emulate the CPUCFG instruction  !! 1817         bool "Netlogic XLP SoC"
1702         default y                             !! 1818         depends on SYS_HAS_CPU_XLP
1703         depends on CPU_LOONGSON64             !! 1819         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1820         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1821         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1822         select WEAK_ORDERING
                                                   >> 1823         select WEAK_REORDERING_BEYOND_LLSC
                                                   >> 1824         select CPU_HAS_PREFETCH
                                                   >> 1825         select CPU_MIPSR2
                                                   >> 1826         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1827         select MIPS_ASID_BITS_VARIABLE
1704         help                                     1828         help
1705           Loongson-3A R4 and newer have the C !! 1829           Netlogic Microsystems XLP processors.
1706           userland to query CPU capabilities, !! 1830 endchoice
1707           option provides emulation of the in << 
1708           cores, back to Loongson-3A1000.     << 
1709                                               << 
1710           If unsure, please say Y.            << 
1711                                                  1831 
1712 config CPU_MIPS32_3_5_FEATURES                   1832 config CPU_MIPS32_3_5_FEATURES
1713         bool "MIPS32 Release 3.5 Features"       1833         bool "MIPS32 Release 3.5 Features"
1714         depends on SYS_HAS_CPU_MIPS32_R3_5       1834         depends on SYS_HAS_CPU_MIPS32_R3_5
1715         depends on CPU_MIPS32_R2 || CPU_MIPS3    1835         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
1716                    CPU_P5600                     1836                    CPU_P5600
1717         help                                     1837         help
1718           Choose this option to build a kerne    1838           Choose this option to build a kernel for release 2 or later of the
1719           MIPS32 architecture including featu    1839           MIPS32 architecture including features from the 3.5 release such as
1720           support for Enhanced Virtual Addres    1840           support for Enhanced Virtual Addressing (EVA).
1721                                                  1841 
1722 config CPU_MIPS32_3_5_EVA                        1842 config CPU_MIPS32_3_5_EVA
1723         bool "Enhanced Virtual Addressing (EV    1843         bool "Enhanced Virtual Addressing (EVA)"
1724         depends on CPU_MIPS32_3_5_FEATURES       1844         depends on CPU_MIPS32_3_5_FEATURES
1725         select EVA                               1845         select EVA
1726         default y                                1846         default y
1727         help                                     1847         help
1728           Choose this option if you want to e    1848           Choose this option if you want to enable the Enhanced Virtual
1729           Addressing (EVA) on your MIPS32 cor    1849           Addressing (EVA) on your MIPS32 core (such as proAptiv).
1730           One of its primary benefits is an i    1850           One of its primary benefits is an increase in the maximum size
1731           of lowmem (up to 3GB). If unsure, s    1851           of lowmem (up to 3GB). If unsure, say 'N' here.
1732                                                  1852 
1733 config CPU_MIPS32_R5_FEATURES                    1853 config CPU_MIPS32_R5_FEATURES
1734         bool "MIPS32 Release 5 Features"         1854         bool "MIPS32 Release 5 Features"
1735         depends on SYS_HAS_CPU_MIPS32_R5         1855         depends on SYS_HAS_CPU_MIPS32_R5
1736         depends on CPU_MIPS32_R2 || CPU_MIPS3    1856         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
1737         help                                     1857         help
1738           Choose this option to build a kerne    1858           Choose this option to build a kernel for release 2 or later of the
1739           MIPS32 architecture including featu    1859           MIPS32 architecture including features from release 5 such as
1740           support for Extended Physical Addre    1860           support for Extended Physical Addressing (XPA).
1741                                                  1861 
1742 config CPU_MIPS32_R5_XPA                         1862 config CPU_MIPS32_R5_XPA
1743         bool "Extended Physical Addressing (X    1863         bool "Extended Physical Addressing (XPA)"
1744         depends on CPU_MIPS32_R5_FEATURES        1864         depends on CPU_MIPS32_R5_FEATURES
1745         depends on !EVA                          1865         depends on !EVA
1746         depends on !PAGE_SIZE_4KB                1866         depends on !PAGE_SIZE_4KB
1747         depends on SYS_SUPPORTS_HIGHMEM          1867         depends on SYS_SUPPORTS_HIGHMEM
1748         select XPA                               1868         select XPA
1749         select HIGHMEM                           1869         select HIGHMEM
1750         select PHYS_ADDR_T_64BIT                 1870         select PHYS_ADDR_T_64BIT
1751         default n                                1871         default n
1752         help                                     1872         help
1753           Choose this option if you want to e    1873           Choose this option if you want to enable the Extended Physical
1754           Addressing (XPA) on your MIPS32 cor    1874           Addressing (XPA) on your MIPS32 core (such as P5600 series). The
1755           benefit is to increase physical add    1875           benefit is to increase physical addressing equal to or greater
1756           than 40 bits. Note that this has th    1876           than 40 bits. Note that this has the side effect of turning on
1757           64-bit addressing which in turn mak    1877           64-bit addressing which in turn makes the PTEs 64-bit in size.
1758           If unsure, say 'N' here.               1878           If unsure, say 'N' here.
1759                                                  1879 
1760 if CPU_LOONGSON2F                                1880 if CPU_LOONGSON2F
1761 config CPU_NOP_WORKAROUNDS                       1881 config CPU_NOP_WORKAROUNDS
1762         bool                                     1882         bool
1763                                                  1883 
1764 config CPU_JUMP_WORKAROUNDS                      1884 config CPU_JUMP_WORKAROUNDS
1765         bool                                     1885         bool
1766                                                  1886 
1767 config CPU_LOONGSON2F_WORKAROUNDS                1887 config CPU_LOONGSON2F_WORKAROUNDS
1768         bool "Loongson 2F Workarounds"           1888         bool "Loongson 2F Workarounds"
1769         default y                                1889         default y
1770         select CPU_NOP_WORKAROUNDS               1890         select CPU_NOP_WORKAROUNDS
1771         select CPU_JUMP_WORKAROUNDS              1891         select CPU_JUMP_WORKAROUNDS
1772         help                                     1892         help
1773           Loongson 2F01 / 2F02 processors hav    1893           Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
1774           require workarounds.  Without worka    1894           require workarounds.  Without workarounds the system may hang
1775           unexpectedly.  For more information    1895           unexpectedly.  For more information please refer to the gas
1776           -mfix-loongson2f-nop and -mfix-loon    1896           -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
1777                                                  1897 
1778           Loongson 2F03 and later have fixed     1898           Loongson 2F03 and later have fixed these issues and no workarounds
1779           are needed.  The workarounds have n    1899           are needed.  The workarounds have no significant side effect on them
1780           but may decrease the performance of    1900           but may decrease the performance of the system so this option should
1781           be disabled unless the kernel is in    1901           be disabled unless the kernel is intended to be run on 2F01 or 2F02
1782           systems.                               1902           systems.
1783                                                  1903 
1784           If unsure, please say Y.               1904           If unsure, please say Y.
1785 endif # CPU_LOONGSON2F                           1905 endif # CPU_LOONGSON2F
1786                                                  1906 
1787 config SYS_SUPPORTS_ZBOOT                        1907 config SYS_SUPPORTS_ZBOOT
1788         bool                                     1908         bool
1789         select HAVE_KERNEL_GZIP                  1909         select HAVE_KERNEL_GZIP
1790         select HAVE_KERNEL_BZIP2                 1910         select HAVE_KERNEL_BZIP2
1791         select HAVE_KERNEL_LZ4                   1911         select HAVE_KERNEL_LZ4
1792         select HAVE_KERNEL_LZMA                  1912         select HAVE_KERNEL_LZMA
1793         select HAVE_KERNEL_LZO                   1913         select HAVE_KERNEL_LZO
1794         select HAVE_KERNEL_XZ                    1914         select HAVE_KERNEL_XZ
1795         select HAVE_KERNEL_ZSTD               << 
1796                                                  1915 
1797 config SYS_SUPPORTS_ZBOOT_UART16550              1916 config SYS_SUPPORTS_ZBOOT_UART16550
1798         bool                                     1917         bool
1799         select SYS_SUPPORTS_ZBOOT                1918         select SYS_SUPPORTS_ZBOOT
1800                                                  1919 
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM              1920 config SYS_SUPPORTS_ZBOOT_UART_PROM
1802         bool                                     1921         bool
1803         select SYS_SUPPORTS_ZBOOT                1922         select SYS_SUPPORTS_ZBOOT
1804                                                  1923 
1805 config CPU_LOONGSON2EF                           1924 config CPU_LOONGSON2EF
1806         bool                                     1925         bool
1807         select CPU_SUPPORTS_32BIT_KERNEL         1926         select CPU_SUPPORTS_32BIT_KERNEL
1808         select CPU_SUPPORTS_64BIT_KERNEL         1927         select CPU_SUPPORTS_64BIT_KERNEL
1809         select CPU_SUPPORTS_HIGHMEM              1928         select CPU_SUPPORTS_HIGHMEM
1810         select CPU_SUPPORTS_HUGEPAGES            1929         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1930         select ARCH_HAS_PHYS_TO_DMA
1811                                                  1931 
1812 config CPU_LOONGSON32                            1932 config CPU_LOONGSON32
1813         bool                                     1933         bool
1814         select CPU_MIPS32                        1934         select CPU_MIPS32
1815         select CPU_MIPSR2                        1935         select CPU_MIPSR2
1816         select CPU_HAS_PREFETCH                  1936         select CPU_HAS_PREFETCH
1817         select CPU_SUPPORTS_32BIT_KERNEL         1937         select CPU_SUPPORTS_32BIT_KERNEL
1818         select CPU_SUPPORTS_HIGHMEM              1938         select CPU_SUPPORTS_HIGHMEM
1819         select CPU_SUPPORTS_CPUFREQ              1939         select CPU_SUPPORTS_CPUFREQ
1820                                                  1940 
1821 config CPU_BMIPS32_3300                          1941 config CPU_BMIPS32_3300
1822         select SMP_UP if SMP                     1942         select SMP_UP if SMP
1823         bool                                     1943         bool
1824                                                  1944 
1825 config CPU_BMIPS4350                             1945 config CPU_BMIPS4350
1826         bool                                     1946         bool
1827         select SYS_SUPPORTS_SMP                  1947         select SYS_SUPPORTS_SMP
1828         select SYS_SUPPORTS_HOTPLUG_CPU          1948         select SYS_SUPPORTS_HOTPLUG_CPU
1829                                                  1949 
1830 config CPU_BMIPS4380                             1950 config CPU_BMIPS4380
1831         bool                                     1951         bool
1832         select MIPS_L1_CACHE_SHIFT_6             1952         select MIPS_L1_CACHE_SHIFT_6
1833         select SYS_SUPPORTS_SMP                  1953         select SYS_SUPPORTS_SMP
1834         select SYS_SUPPORTS_HOTPLUG_CPU          1954         select SYS_SUPPORTS_HOTPLUG_CPU
1835         select CPU_HAS_RIXI                      1955         select CPU_HAS_RIXI
1836                                                  1956 
1837 config CPU_BMIPS5000                             1957 config CPU_BMIPS5000
1838         bool                                     1958         bool
1839         select MIPS_CPU_SCACHE                   1959         select MIPS_CPU_SCACHE
1840         select MIPS_L1_CACHE_SHIFT_7             1960         select MIPS_L1_CACHE_SHIFT_7
1841         select SYS_SUPPORTS_SMP                  1961         select SYS_SUPPORTS_SMP
1842         select SYS_SUPPORTS_HOTPLUG_CPU          1962         select SYS_SUPPORTS_HOTPLUG_CPU
1843         select CPU_HAS_RIXI                      1963         select CPU_HAS_RIXI
1844                                                  1964 
1845 config SYS_HAS_CPU_LOONGSON64                    1965 config SYS_HAS_CPU_LOONGSON64
1846         bool                                     1966         bool
1847         select CPU_SUPPORTS_CPUFREQ              1967         select CPU_SUPPORTS_CPUFREQ
1848         select CPU_HAS_RIXI                      1968         select CPU_HAS_RIXI
1849                                                  1969 
1850 config SYS_HAS_CPU_LOONGSON2E                    1970 config SYS_HAS_CPU_LOONGSON2E
1851         bool                                     1971         bool
1852                                                  1972 
1853 config SYS_HAS_CPU_LOONGSON2F                    1973 config SYS_HAS_CPU_LOONGSON2F
1854         bool                                     1974         bool
1855         select CPU_SUPPORTS_CPUFREQ              1975         select CPU_SUPPORTS_CPUFREQ
1856         select CPU_SUPPORTS_ADDRWINCFG if 64B    1976         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
1857                                                  1977 
1858 config SYS_HAS_CPU_LOONGSON1B                    1978 config SYS_HAS_CPU_LOONGSON1B
1859         bool                                     1979         bool
1860                                                  1980 
1861 config SYS_HAS_CPU_LOONGSON1C                    1981 config SYS_HAS_CPU_LOONGSON1C
1862         bool                                     1982         bool
1863                                                  1983 
1864 config SYS_HAS_CPU_MIPS32_R1                     1984 config SYS_HAS_CPU_MIPS32_R1
1865         bool                                     1985         bool
1866                                                  1986 
1867 config SYS_HAS_CPU_MIPS32_R2                     1987 config SYS_HAS_CPU_MIPS32_R2
1868         bool                                     1988         bool
1869                                                  1989 
1870 config SYS_HAS_CPU_MIPS32_R3_5                   1990 config SYS_HAS_CPU_MIPS32_R3_5
1871         bool                                     1991         bool
1872                                                  1992 
1873 config SYS_HAS_CPU_MIPS32_R5                     1993 config SYS_HAS_CPU_MIPS32_R5
1874         bool                                     1994         bool
                                                   >> 1995         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1875                                                  1996 
1876 config SYS_HAS_CPU_MIPS32_R6                     1997 config SYS_HAS_CPU_MIPS32_R6
1877         bool                                     1998         bool
                                                   >> 1999         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1878                                                  2000 
1879 config SYS_HAS_CPU_MIPS64_R1                     2001 config SYS_HAS_CPU_MIPS64_R1
1880         bool                                     2002         bool
1881                                                  2003 
1882 config SYS_HAS_CPU_MIPS64_R2                     2004 config SYS_HAS_CPU_MIPS64_R2
1883         bool                                     2005         bool
1884                                                  2006 
1885 config SYS_HAS_CPU_MIPS64_R5                  << 
1886         bool                                  << 
1887                                               << 
1888 config SYS_HAS_CPU_MIPS64_R6                     2007 config SYS_HAS_CPU_MIPS64_R6
1889         bool                                     2008         bool
                                                   >> 2009         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1890                                                  2010 
1891 config SYS_HAS_CPU_P5600                         2011 config SYS_HAS_CPU_P5600
1892         bool                                     2012         bool
                                                   >> 2013         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1893                                                  2014 
1894 config SYS_HAS_CPU_R3000                         2015 config SYS_HAS_CPU_R3000
1895         bool                                     2016         bool
1896                                                  2017 
1897 config SYS_HAS_CPU_R4300                      !! 2018 config SYS_HAS_CPU_TX39XX
                                                   >> 2019         bool
                                                   >> 2020 
                                                   >> 2021 config SYS_HAS_CPU_VR41XX
1898         bool                                     2022         bool
1899                                                  2023 
1900 config SYS_HAS_CPU_R4X00                         2024 config SYS_HAS_CPU_R4X00
1901         bool                                     2025         bool
1902                                                  2026 
1903 config SYS_HAS_CPU_TX49XX                        2027 config SYS_HAS_CPU_TX49XX
1904         bool                                     2028         bool
1905                                                  2029 
1906 config SYS_HAS_CPU_R5000                         2030 config SYS_HAS_CPU_R5000
1907         bool                                     2031         bool
1908                                                  2032 
1909 config SYS_HAS_CPU_R5500                         2033 config SYS_HAS_CPU_R5500
1910         bool                                     2034         bool
1911                                                  2035 
1912 config SYS_HAS_CPU_NEVADA                        2036 config SYS_HAS_CPU_NEVADA
1913         bool                                     2037         bool
1914                                                  2038 
1915 config SYS_HAS_CPU_R10000                        2039 config SYS_HAS_CPU_R10000
1916         bool                                     2040         bool
                                                   >> 2041         select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
1917                                                  2042 
1918 config SYS_HAS_CPU_RM7000                        2043 config SYS_HAS_CPU_RM7000
1919         bool                                     2044         bool
1920                                                  2045 
1921 config SYS_HAS_CPU_SB1                           2046 config SYS_HAS_CPU_SB1
1922         bool                                     2047         bool
1923                                                  2048 
1924 config SYS_HAS_CPU_CAVIUM_OCTEON                 2049 config SYS_HAS_CPU_CAVIUM_OCTEON
1925         bool                                     2050         bool
1926                                                  2051 
1927 config SYS_HAS_CPU_BMIPS                         2052 config SYS_HAS_CPU_BMIPS
1928         bool                                     2053         bool
1929                                                  2054 
1930 config SYS_HAS_CPU_BMIPS32_3300                  2055 config SYS_HAS_CPU_BMIPS32_3300
1931         bool                                     2056         bool
1932         select SYS_HAS_CPU_BMIPS                 2057         select SYS_HAS_CPU_BMIPS
1933                                                  2058 
1934 config SYS_HAS_CPU_BMIPS4350                     2059 config SYS_HAS_CPU_BMIPS4350
1935         bool                                     2060         bool
1936         select SYS_HAS_CPU_BMIPS                 2061         select SYS_HAS_CPU_BMIPS
1937                                                  2062 
1938 config SYS_HAS_CPU_BMIPS4380                     2063 config SYS_HAS_CPU_BMIPS4380
1939         bool                                     2064         bool
1940         select SYS_HAS_CPU_BMIPS                 2065         select SYS_HAS_CPU_BMIPS
1941                                                  2066 
1942 config SYS_HAS_CPU_BMIPS5000                     2067 config SYS_HAS_CPU_BMIPS5000
1943         bool                                     2068         bool
1944         select SYS_HAS_CPU_BMIPS                 2069         select SYS_HAS_CPU_BMIPS
                                                   >> 2070         select ARCH_HAS_SYNC_DMA_FOR_CPU
                                                   >> 2071 
                                                   >> 2072 config SYS_HAS_CPU_XLR
                                                   >> 2073         bool
                                                   >> 2074 
                                                   >> 2075 config SYS_HAS_CPU_XLP
                                                   >> 2076         bool
1945                                                  2077 
1946 #                                                2078 #
1947 # CPU may reorder R->R, R->W, W->R, W->W         2079 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W    2080 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 #                                                2081 #
1950 config WEAK_ORDERING                             2082 config WEAK_ORDERING
1951         bool                                     2083         bool
1952                                                  2084 
1953 #                                                2085 #
1954 # CPU may reorder reads and writes beyond LL/    2086 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL,    2087 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 #                                                2088 #
1957 config WEAK_REORDERING_BEYOND_LLSC               2089 config WEAK_REORDERING_BEYOND_LLSC
1958         bool                                     2090         bool
1959 endmenu                                          2091 endmenu
1960                                                  2092 
1961 #                                                2093 #
1962 # These two indicate any level of the MIPS32     2094 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 #                                                2095 #
1964 config CPU_MIPS32                                2096 config CPU_MIPS32
1965         bool                                     2097         bool
1966         default y if CPU_MIPS32_R1 || CPU_MIP    2098         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
1967                      CPU_MIPS32_R6 || CPU_P56    2099                      CPU_MIPS32_R6 || CPU_P5600
1968                                                  2100 
1969 config CPU_MIPS64                                2101 config CPU_MIPS64
1970         bool                                     2102         bool
1971         default y if CPU_MIPS64_R1 || CPU_MIP    2103         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
1972                      CPU_MIPS64_R6 || CPU_LOO !! 2104                      CPU_MIPS64_R6
1973                                                  2105 
1974 #                                                2106 #
1975 # These indicate the revision of the architec    2107 # These indicate the revision of the architecture
1976 #                                                2108 #
1977 config CPU_MIPSR1                                2109 config CPU_MIPSR1
1978         bool                                     2110         bool
1979         default y if CPU_MIPS32_R1 || CPU_MIP    2111         default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980                                                  2112 
1981 config CPU_MIPSR2                                2113 config CPU_MIPSR2
1982         bool                                     2114         bool
1983         default y if CPU_MIPS32_R2 || CPU_MIP    2115         default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
1984         select CPU_HAS_RIXI                      2116         select CPU_HAS_RIXI
1985         select CPU_HAS_DIEI if !CPU_DIEI_BROK    2117         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1986         select MIPS_SPRAM                        2118         select MIPS_SPRAM
1987                                                  2119 
1988 config CPU_MIPSR5                                2120 config CPU_MIPSR5
1989         bool                                     2121         bool
1990         default y if CPU_MIPS32_R5 || CPU_MIP    2122         default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
1991         select CPU_HAS_RIXI                      2123         select CPU_HAS_RIXI
1992         select CPU_HAS_DIEI if !CPU_DIEI_BROK    2124         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
1993         select MIPS_SPRAM                        2125         select MIPS_SPRAM
1994                                                  2126 
1995 config CPU_MIPSR6                                2127 config CPU_MIPSR6
1996         bool                                     2128         bool
1997         default y if CPU_MIPS32_R6 || CPU_MIP    2129         default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
1998         select CPU_HAS_RIXI                      2130         select CPU_HAS_RIXI
1999         select CPU_HAS_DIEI if !CPU_DIEI_BROK    2131         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
2000         select HAVE_ARCH_BITREVERSE              2132         select HAVE_ARCH_BITREVERSE
2001         select MIPS_ASID_BITS_VARIABLE           2133         select MIPS_ASID_BITS_VARIABLE
2002         select MIPS_CRC_SUPPORT                  2134         select MIPS_CRC_SUPPORT
2003         select MIPS_SPRAM                        2135         select MIPS_SPRAM
2004                                                  2136 
2005 config TARGET_ISA_REV                            2137 config TARGET_ISA_REV
2006         int                                      2138         int
2007         default 1 if CPU_MIPSR1                  2139         default 1 if CPU_MIPSR1
2008         default 2 if CPU_MIPSR2                  2140         default 2 if CPU_MIPSR2
2009         default 5 if CPU_MIPSR5                  2141         default 5 if CPU_MIPSR5
2010         default 6 if CPU_MIPSR6                  2142         default 6 if CPU_MIPSR6
2011         default 0                                2143         default 0
2012         help                                     2144         help
2013           Reflects the ISA revision being tar    2145           Reflects the ISA revision being targeted by the kernel build. This
2014           is effectively the Kconfig equivale    2146           is effectively the Kconfig equivalent of MIPS_ISA_REV.
2015                                                  2147 
2016 config EVA                                       2148 config EVA
2017         bool                                     2149         bool
2018                                                  2150 
2019 config XPA                                       2151 config XPA
2020         bool                                     2152         bool
2021                                                  2153 
2022 config SYS_SUPPORTS_32BIT_KERNEL                 2154 config SYS_SUPPORTS_32BIT_KERNEL
2023         bool                                     2155         bool
2024 config SYS_SUPPORTS_64BIT_KERNEL                 2156 config SYS_SUPPORTS_64BIT_KERNEL
2025         bool                                     2157         bool
2026 config CPU_SUPPORTS_32BIT_KERNEL                 2158 config CPU_SUPPORTS_32BIT_KERNEL
2027         bool                                     2159         bool
2028 config CPU_SUPPORTS_64BIT_KERNEL                 2160 config CPU_SUPPORTS_64BIT_KERNEL
2029         bool                                     2161         bool
2030 config CPU_SUPPORTS_CPUFREQ                      2162 config CPU_SUPPORTS_CPUFREQ
2031         bool                                     2163         bool
2032 config CPU_SUPPORTS_ADDRWINCFG                   2164 config CPU_SUPPORTS_ADDRWINCFG
2033         bool                                     2165         bool
2034 config CPU_SUPPORTS_HUGEPAGES                    2166 config CPU_SUPPORTS_HUGEPAGES
2035         bool                                     2167         bool
2036         depends on !(32BIT && (PHYS_ADDR_T_64 !! 2168         depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
2037 config CPU_SUPPORTS_VZ                        << 
2038         bool                                  << 
2039 config MIPS_PGD_C0_CONTEXT                       2169 config MIPS_PGD_C0_CONTEXT
2040         bool                                     2170         bool
2041         depends on 64BIT                      !! 2171         default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
2042         default y if (CPU_MIPSR2 || CPU_MIPSR << 
2043                                                  2172 
2044 #                                                2173 #
2045 # Set to y for ptrace access to watch registe    2174 # Set to y for ptrace access to watch registers.
2046 #                                                2175 #
2047 config HARDWARE_WATCHPOINTS                      2176 config HARDWARE_WATCHPOINTS
2048         bool                                     2177         bool
2049         default y if CPU_MIPSR1 || CPU_MIPSR2    2178         default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
2050                                                  2179 
2051 menu "Kernel type"                               2180 menu "Kernel type"
2052                                                  2181 
2053 choice                                           2182 choice
2054         prompt "Kernel code model"               2183         prompt "Kernel code model"
2055         help                                     2184         help
2056           You should only select this option     2185           You should only select this option if you have a workload that
2057           actually benefits from 64-bit proce    2186           actually benefits from 64-bit processing or if your machine has
2058           large memory.  You will only be pre    2187           large memory.  You will only be presented a single option in this
2059           menu if your system does not suppor    2188           menu if your system does not support both 32-bit and 64-bit kernels.
2060                                                  2189 
2061 config 32BIT                                     2190 config 32BIT
2062         bool "32-bit kernel"                     2191         bool "32-bit kernel"
2063         depends on CPU_SUPPORTS_32BIT_KERNEL     2192         depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064         select TRAD_SIGNALS                      2193         select TRAD_SIGNALS
2065         help                                     2194         help
2066           Select this option if you want to b    2195           Select this option if you want to build a 32-bit kernel.
2067                                                  2196 
2068 config 64BIT                                     2197 config 64BIT
2069         bool "64-bit kernel"                     2198         bool "64-bit kernel"
2070         depends on CPU_SUPPORTS_64BIT_KERNEL     2199         depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
2071         help                                     2200         help
2072           Select this option if you want to b    2201           Select this option if you want to build a 64-bit kernel.
2073                                                  2202 
2074 endchoice                                        2203 endchoice
2075                                                  2204 
                                                   >> 2205 config KVM_GUEST
                                                   >> 2206         bool "KVM Guest Kernel"
                                                   >> 2207         depends on CPU_MIPS32_R2
                                                   >> 2208         depends on BROKEN_ON_SMP
                                                   >> 2209         help
                                                   >> 2210           Select this option if building a guest kernel for KVM (Trap & Emulate)
                                                   >> 2211           mode.
                                                   >> 2212 
                                                   >> 2213 config KVM_GUEST_TIMER_FREQ
                                                   >> 2214         int "Count/Compare Timer Frequency (MHz)"
                                                   >> 2215         depends on KVM_GUEST
                                                   >> 2216         default 100
                                                   >> 2217         help
                                                   >> 2218           Set this to non-zero if building a guest kernel for KVM to skip RTC
                                                   >> 2219           emulation when determining guest CPU Frequency. Instead, the guest's
                                                   >> 2220           timer frequency is specified directly.
                                                   >> 2221 
2076 config MIPS_VA_BITS_48                           2222 config MIPS_VA_BITS_48
2077         bool "48 bits virtual memory"            2223         bool "48 bits virtual memory"
2078         depends on 64BIT                         2224         depends on 64BIT
2079         help                                     2225         help
2080           Support a maximum at least 48 bits     2226           Support a maximum at least 48 bits of application virtual
2081           memory.  Default is 40 bits or less    2227           memory.  Default is 40 bits or less, depending on the CPU.
2082           For page sizes 16k and above, this     2228           For page sizes 16k and above, this option results in a small
2083           memory overhead for page tables.  F    2229           memory overhead for page tables.  For 4k page size, a fourth
2084           level of page tables is added which    2230           level of page tables is added which imposes both a memory
2085           overhead as well as slower TLB faul    2231           overhead as well as slower TLB fault handling.
2086                                                  2232 
2087           If unsure, say N.                      2233           If unsure, say N.
2088                                                  2234 
2089 config ZBOOT_LOAD_ADDRESS                     !! 2235 choice
2090         hex "Compressed kernel load address"  !! 2236         prompt "Kernel page size"
2091         default 0xffffffff80400000 if BCM47XX !! 2237         default PAGE_SIZE_4KB
2092         default 0x0                           !! 2238 
2093         depends on SYS_SUPPORTS_ZBOOT         !! 2239 config PAGE_SIZE_4KB
2094         help                                  !! 2240         bool "4kB"
2095           The address to load compressed kern !! 2241         depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
                                                   >> 2242         help
                                                   >> 2243           This option select the standard 4kB Linux page size.  On some
                                                   >> 2244           R3000-family processors this is the only available page size.  Using
                                                   >> 2245           4kB page size will minimize memory consumption and is therefore
                                                   >> 2246           recommended for low memory systems.
                                                   >> 2247 
                                                   >> 2248 config PAGE_SIZE_8KB
                                                   >> 2249         bool "8kB"
                                                   >> 2250         depends on CPU_CAVIUM_OCTEON
                                                   >> 2251         depends on !MIPS_VA_BITS_48
                                                   >> 2252         help
                                                   >> 2253           Using 8kB page size will result in higher performance kernel at
                                                   >> 2254           the price of higher memory consumption.  This option is available
                                                   >> 2255           only on cnMIPS processors.  Note that you will need a suitable Linux
                                                   >> 2256           distribution to support this.
                                                   >> 2257 
                                                   >> 2258 config PAGE_SIZE_16KB
                                                   >> 2259         bool "16kB"
                                                   >> 2260         depends on !CPU_R3000 && !CPU_TX39XX
                                                   >> 2261         help
                                                   >> 2262           Using 16kB page size will result in higher performance kernel at
                                                   >> 2263           the price of higher memory consumption.  This option is available on
                                                   >> 2264           all non-R3000 family processors.  Note that you will need a suitable
                                                   >> 2265           Linux distribution to support this.
                                                   >> 2266 
                                                   >> 2267 config PAGE_SIZE_32KB
                                                   >> 2268         bool "32kB"
                                                   >> 2269         depends on CPU_CAVIUM_OCTEON
                                                   >> 2270         depends on !MIPS_VA_BITS_48
                                                   >> 2271         help
                                                   >> 2272           Using 32kB page size will result in higher performance kernel at
                                                   >> 2273           the price of higher memory consumption.  This option is available
                                                   >> 2274           only on cnMIPS cores.  Note that you will need a suitable Linux
                                                   >> 2275           distribution to support this.
                                                   >> 2276 
                                                   >> 2277 config PAGE_SIZE_64KB
                                                   >> 2278         bool "64kB"
                                                   >> 2279         depends on !CPU_R3000 && !CPU_TX39XX
                                                   >> 2280         help
                                                   >> 2281           Using 64kB page size will result in higher performance kernel at
                                                   >> 2282           the price of higher memory consumption.  This option is available on
                                                   >> 2283           all non-R3000 family processor.  Not that at the time of this
                                                   >> 2284           writing this option is still high experimental.
2096                                                  2285 
2097           This is only used if non-zero.      !! 2286 endchoice
2098                                                  2287 
2099 config ARCH_FORCE_MAX_ORDER                   !! 2288 config FORCE_MAX_ZONEORDER
2100         int "Maximum zone order"                 2289         int "Maximum zone order"
2101         default "13" if MIPS_HUGE_TLB_SUPPORT !! 2290         range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2102         default "12" if MIPS_HUGE_TLB_SUPPORT !! 2291         default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
2103         default "11" if MIPS_HUGE_TLB_SUPPORT !! 2292         range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
2104         default "10"                          !! 2293         default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
                                                   >> 2294         range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
                                                   >> 2295         default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
                                                   >> 2296         range 11 64
                                                   >> 2297         default "11"
2105         help                                     2298         help
2106           The kernel memory allocator divides    2299           The kernel memory allocator divides physically contiguous memory
2107           blocks into "zones", where each zon    2300           blocks into "zones", where each zone is a power of two number of
2108           pages.  This option selects the lar    2301           pages.  This option selects the largest power of two that the kernel
2109           keeps in the memory allocator.  If     2302           keeps in the memory allocator.  If you need to allocate very large
2110           blocks of physically contiguous mem    2303           blocks of physically contiguous memory, then you may need to
2111           increase this value.                   2304           increase this value.
2112                                                  2305 
                                                   >> 2306           This config option is actually maximum order plus one. For example,
                                                   >> 2307           a value of 11 means that the largest free memory block is 2^10 pages.
                                                   >> 2308 
2113           The page size is not necessarily 4K    2309           The page size is not necessarily 4KB.  Keep this in mind
2114           when choosing a value for this opti    2310           when choosing a value for this option.
2115                                                  2311 
2116 config BOARD_SCACHE                              2312 config BOARD_SCACHE
2117         bool                                     2313         bool
2118                                                  2314 
2119 config IP22_CPU_SCACHE                           2315 config IP22_CPU_SCACHE
2120         bool                                     2316         bool
2121         select BOARD_SCACHE                      2317         select BOARD_SCACHE
2122                                                  2318 
2123 #                                                2319 #
2124 # Support for a MIPS32 / MIPS64 style S-cache    2320 # Support for a MIPS32 / MIPS64 style S-caches
2125 #                                                2321 #
2126 config MIPS_CPU_SCACHE                           2322 config MIPS_CPU_SCACHE
2127         bool                                     2323         bool
2128         select BOARD_SCACHE                      2324         select BOARD_SCACHE
2129                                                  2325 
2130 config R5000_CPU_SCACHE                          2326 config R5000_CPU_SCACHE
2131         bool                                     2327         bool
2132         select BOARD_SCACHE                      2328         select BOARD_SCACHE
2133                                                  2329 
2134 config RM7000_CPU_SCACHE                         2330 config RM7000_CPU_SCACHE
2135         bool                                     2331         bool
2136         select BOARD_SCACHE                      2332         select BOARD_SCACHE
2137                                                  2333 
2138 config SIBYTE_DMA_PAGEOPS                        2334 config SIBYTE_DMA_PAGEOPS
2139         bool "Use DMA to clear/copy pages"       2335         bool "Use DMA to clear/copy pages"
2140         depends on CPU_SB1                       2336         depends on CPU_SB1
2141         help                                     2337         help
2142           Instead of using the CPU to zero an    2338           Instead of using the CPU to zero and copy pages, use a Data Mover
2143           channel.  These DMA channels are ot    2339           channel.  These DMA channels are otherwise unused by the standard
2144           SiByte Linux port.  Seems to give a    2340           SiByte Linux port.  Seems to give a small performance benefit.
2145                                                  2341 
2146 config CPU_HAS_PREFETCH                          2342 config CPU_HAS_PREFETCH
2147         bool                                     2343         bool
2148                                                  2344 
2149 config CPU_GENERIC_DUMP_TLB                      2345 config CPU_GENERIC_DUMP_TLB
2150         bool                                     2346         bool
2151         default y if !CPU_R3000               !! 2347         default y if !(CPU_R3000 || CPU_TX39XX)
2152                                                  2348 
2153 config MIPS_FP_SUPPORT                           2349 config MIPS_FP_SUPPORT
2154         bool "Floating Point support" if EXPE    2350         bool "Floating Point support" if EXPERT
2155         default y                                2351         default y
2156         help                                     2352         help
2157           Select y to include support for flo    2353           Select y to include support for floating point in the kernel
2158           including initialization of FPU har    2354           including initialization of FPU hardware, FP context save & restore
2159           and emulation of an FPU where neces    2355           and emulation of an FPU where necessary. Without this support any
2160           userland program attempting to use     2356           userland program attempting to use floating point instructions will
2161           receive a SIGILL.                      2357           receive a SIGILL.
2162                                                  2358 
2163           If you know that your userland will    2359           If you know that your userland will not attempt to use floating point
2164           instructions then you can say n her    2360           instructions then you can say n here to shrink the kernel a little.
2165                                                  2361 
2166           If unsure, say y.                      2362           If unsure, say y.
2167                                                  2363 
2168 config CPU_R2300_FPU                             2364 config CPU_R2300_FPU
2169         bool                                     2365         bool
2170         depends on MIPS_FP_SUPPORT               2366         depends on MIPS_FP_SUPPORT
2171         default y if CPU_R3000                !! 2367         default y if CPU_R3000 || CPU_TX39XX
2172                                                  2368 
2173 config CPU_R3K_TLB                               2369 config CPU_R3K_TLB
2174         bool                                     2370         bool
2175                                                  2371 
2176 config CPU_R4K_FPU                               2372 config CPU_R4K_FPU
2177         bool                                     2373         bool
2178         depends on MIPS_FP_SUPPORT               2374         depends on MIPS_FP_SUPPORT
2179         default y if !CPU_R2300_FPU              2375         default y if !CPU_R2300_FPU
2180                                                  2376 
2181 config CPU_R4K_CACHE_TLB                         2377 config CPU_R4K_CACHE_TLB
2182         bool                                     2378         bool
2183         default y if !(CPU_R3K_TLB || CPU_SB1    2379         default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
2184                                                  2380 
2185 config MIPS_MT_SMP                               2381 config MIPS_MT_SMP
2186         bool "MIPS MT SMP support (1 TC on ea    2382         bool "MIPS MT SMP support (1 TC on each available VPE)"
2187         default y                                2383         default y
2188         depends on TARGET_ISA_REV > 0 && TARG !! 2384         depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
2189         depends on SYS_SUPPORTS_MULTITHREADIN << 
2190         select CPU_MIPSR2_IRQ_VI                 2385         select CPU_MIPSR2_IRQ_VI
2191         select CPU_MIPSR2_IRQ_EI                 2386         select CPU_MIPSR2_IRQ_EI
2192         select SYNC_R4K                          2387         select SYNC_R4K
2193         select MIPS_MT                           2388         select MIPS_MT
2194         select SMP                               2389         select SMP
2195         select SMP_UP                            2390         select SMP_UP
2196         select SYS_SUPPORTS_SMP                  2391         select SYS_SUPPORTS_SMP
2197         select SYS_SUPPORTS_SCHED_SMT            2392         select SYS_SUPPORTS_SCHED_SMT
2198         select MIPS_PERF_SHARED_TC_COUNTERS      2393         select MIPS_PERF_SHARED_TC_COUNTERS
2199         help                                     2394         help
2200           This is a kernel model which is kno    2395           This is a kernel model which is known as SMVP. This is supported
2201           on cores with the MT ASE and uses t    2396           on cores with the MT ASE and uses the available VPEs to implement
2202           virtual processors which supports S    2397           virtual processors which supports SMP. This is equivalent to the
2203           Intel Hyperthreading feature. For f    2398           Intel Hyperthreading feature. For further information go to
2204           <http://www.imgtec.com/mips/mips-mu    2399           <http://www.imgtec.com/mips/mips-multithreading.asp>.
2205                                                  2400 
2206 config MIPS_MT                                   2401 config MIPS_MT
2207         bool                                     2402         bool
2208                                                  2403 
2209 config SCHED_SMT                                 2404 config SCHED_SMT
2210         bool "SMT (multithreading) scheduler     2405         bool "SMT (multithreading) scheduler support"
2211         depends on SYS_SUPPORTS_SCHED_SMT        2406         depends on SYS_SUPPORTS_SCHED_SMT
2212         default n                                2407         default n
2213         help                                     2408         help
2214           SMT scheduler support improves the     2409           SMT scheduler support improves the CPU scheduler's decision making
2215           when dealing with MIPS MT enabled c    2410           when dealing with MIPS MT enabled cores at a cost of slightly
2216           increased overhead in some places.     2411           increased overhead in some places. If unsure say N here.
2217                                                  2412 
2218 config SYS_SUPPORTS_SCHED_SMT                    2413 config SYS_SUPPORTS_SCHED_SMT
2219         bool                                     2414         bool
2220                                                  2415 
2221 config SYS_SUPPORTS_MULTITHREADING               2416 config SYS_SUPPORTS_MULTITHREADING
2222         bool                                     2417         bool
2223                                                  2418 
2224 config MIPS_MT_FPAFF                             2419 config MIPS_MT_FPAFF
2225         bool "Dynamic FPU affinity for FP-int    2420         bool "Dynamic FPU affinity for FP-intensive threads"
2226         default y                                2421         default y
2227         depends on MIPS_MT_SMP                   2422         depends on MIPS_MT_SMP
2228                                                  2423 
2229 config MIPSR2_TO_R6_EMULATOR                     2424 config MIPSR2_TO_R6_EMULATOR
2230         bool "MIPS R2-to-R6 emulator"            2425         bool "MIPS R2-to-R6 emulator"
2231         depends on CPU_MIPSR6                    2426         depends on CPU_MIPSR6
2232         depends on MIPS_FP_SUPPORT               2427         depends on MIPS_FP_SUPPORT
2233         default y                                2428         default y
2234         help                                     2429         help
2235           Choose this option if you want to r    2430           Choose this option if you want to run non-R6 MIPS userland code.
2236           Even if you say 'Y' here, the emula    2431           Even if you say 'Y' here, the emulator will still be disabled by
2237           default. You can enable it using th    2432           default. You can enable it using the 'mipsr2emu' kernel option.
2238           The only reason this is a build-tim    2433           The only reason this is a build-time option is to save ~14K from the
2239           final kernel image.                    2434           final kernel image.
2240                                                  2435 
2241 config SYS_SUPPORTS_VPE_LOADER                   2436 config SYS_SUPPORTS_VPE_LOADER
2242         bool                                     2437         bool
2243         depends on SYS_SUPPORTS_MULTITHREADIN    2438         depends on SYS_SUPPORTS_MULTITHREADING
2244         help                                     2439         help
2245           Indicates that the platform support    2440           Indicates that the platform supports the VPE loader, and provides
2246           physical_memsize.                      2441           physical_memsize.
2247                                                  2442 
2248 config MIPS_VPE_LOADER                           2443 config MIPS_VPE_LOADER
2249         bool "VPE loader support."               2444         bool "VPE loader support."
2250         depends on SYS_SUPPORTS_VPE_LOADER &&    2445         depends on SYS_SUPPORTS_VPE_LOADER && MODULES
2251         select CPU_MIPSR2_IRQ_VI                 2446         select CPU_MIPSR2_IRQ_VI
2252         select CPU_MIPSR2_IRQ_EI                 2447         select CPU_MIPSR2_IRQ_EI
2253         select MIPS_MT                           2448         select MIPS_MT
2254         help                                     2449         help
2255           Includes a loader for loading an el    2450           Includes a loader for loading an elf relocatable object
2256           onto another VPE and running it.       2451           onto another VPE and running it.
2257                                                  2452 
                                                   >> 2453 config MIPS_VPE_LOADER_CMP
                                                   >> 2454         bool
                                                   >> 2455         default "y"
                                                   >> 2456         depends on MIPS_VPE_LOADER && MIPS_CMP
                                                   >> 2457 
2258 config MIPS_VPE_LOADER_MT                        2458 config MIPS_VPE_LOADER_MT
2259         bool                                     2459         bool
2260         default "y"                              2460         default "y"
2261         depends on MIPS_VPE_LOADER            !! 2461         depends on MIPS_VPE_LOADER && !MIPS_CMP
2262                                                  2462 
2263 config MIPS_VPE_LOADER_TOM                       2463 config MIPS_VPE_LOADER_TOM
2264         bool "Load VPE program into memory hi    2464         bool "Load VPE program into memory hidden from linux"
2265         depends on MIPS_VPE_LOADER               2465         depends on MIPS_VPE_LOADER
2266         default y                                2466         default y
2267         help                                     2467         help
2268           The loader can use memory that is p    2468           The loader can use memory that is present but has been hidden from
2269           Linux using the kernel command line    2469           Linux using the kernel command line option "mem=xxMB". It's up to
2270           you to ensure the amount you put in    2470           you to ensure the amount you put in the option and the space your
2271           program requires is less or equal t    2471           program requires is less or equal to the amount physically present.
2272                                                  2472 
2273 config MIPS_VPE_APSP_API                         2473 config MIPS_VPE_APSP_API
2274         bool "Enable support for AP/SP API (R    2474         bool "Enable support for AP/SP API (RTLX)"
2275         depends on MIPS_VPE_LOADER               2475         depends on MIPS_VPE_LOADER
2276                                                  2476 
                                                   >> 2477 config MIPS_VPE_APSP_API_CMP
                                                   >> 2478         bool
                                                   >> 2479         default "y"
                                                   >> 2480         depends on MIPS_VPE_APSP_API && MIPS_CMP
                                                   >> 2481 
2277 config MIPS_VPE_APSP_API_MT                      2482 config MIPS_VPE_APSP_API_MT
2278         bool                                     2483         bool
2279         default "y"                              2484         default "y"
2280         depends on MIPS_VPE_APSP_API          !! 2485         depends on MIPS_VPE_APSP_API && !MIPS_CMP
                                                   >> 2486 
                                                   >> 2487 config MIPS_CMP
                                                   >> 2488         bool "MIPS CMP framework support (DEPRECATED)"
                                                   >> 2489         depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
                                                   >> 2490         select SMP
                                                   >> 2491         select SYNC_R4K
                                                   >> 2492         select SYS_SUPPORTS_SMP
                                                   >> 2493         select WEAK_ORDERING
                                                   >> 2494         default n
                                                   >> 2495         help
                                                   >> 2496           Select this if you are using a bootloader which implements the "CMP
                                                   >> 2497           framework" protocol (ie. YAMON) and want your kernel to make use of
                                                   >> 2498           its ability to start secondary CPUs.
                                                   >> 2499 
                                                   >> 2500           Unless you have a specific need, you should use CONFIG_MIPS_CPS
                                                   >> 2501           instead of this.
2281                                                  2502 
2282 config MIPS_CPS                                  2503 config MIPS_CPS
2283         bool "MIPS Coherent Processing System    2504         bool "MIPS Coherent Processing System support"
2284         depends on SYS_SUPPORTS_MIPS_CPS         2505         depends on SYS_SUPPORTS_MIPS_CPS
2285         select MIPS_CM                           2506         select MIPS_CM
2286         select MIPS_CPS_PM if HOTPLUG_CPU        2507         select MIPS_CPS_PM if HOTPLUG_CPU
2287         select SMP                               2508         select SMP
2288         select HOTPLUG_CORE_SYNC_DEAD if HOTP << 
2289         select SYNC_R4K if (CEVT_R4K || CSRC_    2509         select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
2290         select SYS_SUPPORTS_HOTPLUG_CPU          2510         select SYS_SUPPORTS_HOTPLUG_CPU
2291         select SYS_SUPPORTS_SCHED_SMT if CPU_    2511         select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
2292         select SYS_SUPPORTS_SMP                  2512         select SYS_SUPPORTS_SMP
2293         select WEAK_ORDERING                     2513         select WEAK_ORDERING
2294         select GENERIC_IRQ_MIGRATION if HOTPL << 
2295         help                                     2514         help
2296           Select this if you wish to run an S    2515           Select this if you wish to run an SMP kernel across multiple cores
2297           within a MIPS Coherent Processing S    2516           within a MIPS Coherent Processing System. When this option is
2298           enabled the kernel will probe for o    2517           enabled the kernel will probe for other cores and boot them with
2299           no external assistance. It is safe     2518           no external assistance. It is safe to enable this when hardware
2300           support is unavailable.                2519           support is unavailable.
2301                                                  2520 
2302 config MIPS_CPS_PM                               2521 config MIPS_CPS_PM
2303         depends on MIPS_CPS                      2522         depends on MIPS_CPS
2304         bool                                     2523         bool
2305                                                  2524 
2306 config MIPS_CM                                   2525 config MIPS_CM
2307         bool                                     2526         bool
2308         select MIPS_CPC                          2527         select MIPS_CPC
2309                                                  2528 
2310 config MIPS_CPC                                  2529 config MIPS_CPC
2311         bool                                     2530         bool
2312                                                  2531 
2313 config SB1_PASS_2_WORKAROUNDS                    2532 config SB1_PASS_2_WORKAROUNDS
2314         bool                                     2533         bool
2315         depends on CPU_SB1 && (CPU_SB1_PASS_2    2534         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316         default y                                2535         default y
2317                                                  2536 
2318 config SB1_PASS_2_1_WORKAROUNDS                  2537 config SB1_PASS_2_1_WORKAROUNDS
2319         bool                                     2538         bool
2320         depends on CPU_SB1 && CPU_SB1_PASS_2     2539         depends on CPU_SB1 && CPU_SB1_PASS_2
2321         default y                                2540         default y
2322                                                  2541 
2323 choice                                           2542 choice
2324         prompt "SmartMIPS or microMIPS ASE su    2543         prompt "SmartMIPS or microMIPS ASE support"
2325                                                  2544 
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS       2545 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
2327         bool "None"                              2546         bool "None"
2328         help                                     2547         help
2329           Select this if you want neither mic    2548           Select this if you want neither microMIPS nor SmartMIPS support
2330                                                  2549 
2331 config CPU_HAS_SMARTMIPS                         2550 config CPU_HAS_SMARTMIPS
2332         depends on SYS_SUPPORTS_SMARTMIPS        2551         depends on SYS_SUPPORTS_SMARTMIPS
2333         bool "SmartMIPS"                         2552         bool "SmartMIPS"
2334         help                                     2553         help
2335           SmartMIPS is a extension of the MIP    2554           SmartMIPS is a extension of the MIPS32 architecture aimed at
2336           increased security at both hardware    2555           increased security at both hardware and software level for
2337           smartcards.  Enabling this option w    2556           smartcards.  Enabling this option will allow proper use of the
2338           SmartMIPS instructions by Linux app    2557           SmartMIPS instructions by Linux applications.  However a kernel with
2339           this option will not work on a MIPS    2558           this option will not work on a MIPS core without SmartMIPS core.  If
2340           you don't know you probably don't h    2559           you don't know you probably don't have SmartMIPS and should say N
2341           here.                                  2560           here.
2342                                                  2561 
2343 config CPU_MICROMIPS                             2562 config CPU_MICROMIPS
2344         depends on 32BIT && SYS_SUPPORTS_MICR    2563         depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
2345         bool "microMIPS"                         2564         bool "microMIPS"
2346         help                                     2565         help
2347           When this option is enabled the ker    2566           When this option is enabled the kernel will be built using the
2348           microMIPS ISA                          2567           microMIPS ISA
2349                                                  2568 
2350 endchoice                                        2569 endchoice
2351                                                  2570 
2352 config CPU_HAS_MSA                               2571 config CPU_HAS_MSA
2353         bool "Support for the MIPS SIMD Archi    2572         bool "Support for the MIPS SIMD Architecture"
2354         depends on CPU_SUPPORTS_MSA              2573         depends on CPU_SUPPORTS_MSA
2355         depends on MIPS_FP_SUPPORT               2574         depends on MIPS_FP_SUPPORT
2356         depends on 64BIT || MIPS_O32_FP64_SUP    2575         depends on 64BIT || MIPS_O32_FP64_SUPPORT
2357         help                                     2576         help
2358           MIPS SIMD Architecture (MSA) introd    2577           MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
2359           and a set of SIMD instructions to o    2578           and a set of SIMD instructions to operate on them. When this option
2360           is enabled the kernel will support     2579           is enabled the kernel will support allocating & switching MSA
2361           vector register contexts. If you kn    2580           vector register contexts. If you know that your kernel will only be
2362           running on CPUs which do not suppor    2581           running on CPUs which do not support MSA or that your userland will
2363           not be making use of it then you ma    2582           not be making use of it then you may wish to say N here to reduce
2364           the size & complexity of your kerne    2583           the size & complexity of your kernel.
2365                                                  2584 
2366           If unsure, say Y.                      2585           If unsure, say Y.
2367                                                  2586 
2368 config CPU_HAS_WB                                2587 config CPU_HAS_WB
2369         bool                                     2588         bool
2370                                                  2589 
2371 config XKS01                                     2590 config XKS01
2372         bool                                     2591         bool
2373                                                  2592 
2374 config CPU_HAS_DIEI                              2593 config CPU_HAS_DIEI
2375         depends on !CPU_DIEI_BROKEN              2594         depends on !CPU_DIEI_BROKEN
2376         bool                                     2595         bool
2377                                                  2596 
2378 config CPU_DIEI_BROKEN                           2597 config CPU_DIEI_BROKEN
2379         bool                                     2598         bool
2380                                                  2599 
2381 config CPU_HAS_RIXI                              2600 config CPU_HAS_RIXI
2382         bool                                     2601         bool
2383                                                  2602 
2384 config CPU_NO_LOAD_STORE_LR                      2603 config CPU_NO_LOAD_STORE_LR
2385         bool                                     2604         bool
2386         help                                     2605         help
2387           CPU lacks support for unaligned loa    2606           CPU lacks support for unaligned load and store instructions:
2388           LWL, LWR, SWL, SWR (Load/store word    2607           LWL, LWR, SWL, SWR (Load/store word left/right).
2389           LDL, LDR, SDL, SDR (Load/store doub    2608           LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
2390           systems).                              2609           systems).
2391                                                  2610 
2392 #                                                2611 #
2393 # Vectored interrupt mode is an R2 feature       2612 # Vectored interrupt mode is an R2 feature
2394 #                                                2613 #
2395 config CPU_MIPSR2_IRQ_VI                         2614 config CPU_MIPSR2_IRQ_VI
2396         bool                                     2615         bool
2397                                                  2616 
2398 #                                                2617 #
2399 # Extended interrupt mode is an R2 feature       2618 # Extended interrupt mode is an R2 feature
2400 #                                                2619 #
2401 config CPU_MIPSR2_IRQ_EI                         2620 config CPU_MIPSR2_IRQ_EI
2402         bool                                     2621         bool
2403                                                  2622 
2404 config CPU_HAS_SYNC                              2623 config CPU_HAS_SYNC
2405         bool                                     2624         bool
2406         depends on !CPU_R3000                    2625         depends on !CPU_R3000
2407         default y                                2626         default y
2408                                                  2627 
2409 #                                                2628 #
2410 # CPU non-features                               2629 # CPU non-features
2411 #                                                2630 #
2412                                               << 
2413 # Work around the "daddi" and "daddiu" CPU er << 
2414 #                                             << 
2415 # - The `daddi' instruction fails to trap on  << 
2416 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2417 #   erratum #23                               << 
2418 #                                             << 
2419 # - The `daddiu' instruction can produce an i << 
2420 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2421 #   erratum #41                               << 
2422 #   "MIPS R4000MC Errata, Processor Revision  << 
2423 #   #15                                       << 
2424 #   "MIPS R4400PC/SC Errata, Processor Revisi << 
2425 #   "MIPS R4400MC Errata, Processor Revision  << 
2426 config CPU_DADDI_WORKAROUNDS                     2631 config CPU_DADDI_WORKAROUNDS
2427         bool                                     2632         bool
2428                                                  2633 
2429 # Work around certain R4000 CPU errata (as im << 
2430 #                                             << 
2431 # - A double-word or a variable shift may giv << 
2432 #   if executed immediately after starting an << 
2433 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2434 #   erratum #28                               << 
2435 #   "MIPS R4000MC Errata, Processor Revision  << 
2436 #   #19                                       << 
2437 #                                             << 
2438 # - A double-word or a variable shift may giv << 
2439 #   if executed while an integer multiplicati << 
2440 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2441 #   errata #16 & #28                          << 
2442 #                                             << 
2443 # - An integer division may give an incorrect << 
2444 #   a delay slot of a taken branch or a jump: << 
2445 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2446 #   erratum #52                               << 
2447 config CPU_R4000_WORKAROUNDS                     2634 config CPU_R4000_WORKAROUNDS
2448         bool                                     2635         bool
2449         select CPU_R4400_WORKAROUNDS             2636         select CPU_R4400_WORKAROUNDS
2450                                                  2637 
2451 # Work around certain R4400 CPU errata (as im << 
2452 #                                             << 
2453 # - A double-word or a variable shift may giv << 
2454 #   if executed immediately after starting an << 
2455 #   "MIPS R4400MC Errata, Processor Revision  << 
2456 #   "MIPS R4400MC Errata, Processor Revision  << 
2457 config CPU_R4400_WORKAROUNDS                     2638 config CPU_R4400_WORKAROUNDS
2458         bool                                     2639         bool
2459                                                  2640 
2460 config CPU_R4X00_BUGS64                          2641 config CPU_R4X00_BUGS64
2461         bool                                     2642         bool
2462         default y if SYS_HAS_CPU_R4X00 && 64B    2643         default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
2463                                                  2644 
2464 config MIPS_ASID_SHIFT                           2645 config MIPS_ASID_SHIFT
2465         int                                      2646         int
2466         default 6 if CPU_R3000                !! 2647         default 6 if CPU_R3000 || CPU_TX39XX
2467         default 0                                2648         default 0
2468                                                  2649 
2469 config MIPS_ASID_BITS                            2650 config MIPS_ASID_BITS
2470         int                                      2651         int
2471         default 0 if MIPS_ASID_BITS_VARIABLE     2652         default 0 if MIPS_ASID_BITS_VARIABLE
2472         default 6 if CPU_R3000                !! 2653         default 6 if CPU_R3000 || CPU_TX39XX
2473         default 8                                2654         default 8
2474                                                  2655 
2475 config MIPS_ASID_BITS_VARIABLE                   2656 config MIPS_ASID_BITS_VARIABLE
2476         bool                                     2657         bool
2477                                                  2658 
2478 config MIPS_CRC_SUPPORT                          2659 config MIPS_CRC_SUPPORT
2479         bool                                     2660         bool
2480                                                  2661 
2481 # R4600 erratum.  Due to the lack of errata i << 
2482 # technical details aren't known.  I've exper << 
2483 # interrupts during indexed I-cache flushes s << 
2484 # with the issue.                             << 
2485 config WAR_R4600_V1_INDEX_ICACHEOP            << 
2486         bool                                  << 
2487                                               << 
2488 # Pleasures of the R4600 V1.x.  Cite from the << 
2489 #                                             << 
2490 #  18. The CACHE instructions Hit_Writeback_I << 
2491 #      Hit_Invalidate_D and Create_Dirty_Excl << 
2492 #      executed if there is no other dcache a << 
2493 #      accessed for another instruction immed << 
2494 #      cache instructions are executing, it i << 
2495 #      tag match outputs used by these cache  << 
2496 #      incorrect. These cache instructions sh << 
2497 #      four instructions that are not any kin << 
2498 #      instruction.                           << 
2499 #                                             << 
2500 #      This is not allowed:    lw             << 
2501 #                              nop            << 
2502 #                              nop            << 
2503 #                              nop            << 
2504 #                              cache       Hi << 
2505 #                                             << 
2506 #      This is allowed:        lw             << 
2507 #                              nop            << 
2508 #                              nop            << 
2509 #                              nop            << 
2510 #                              nop            << 
2511 #                              cache       Hi << 
2512 config WAR_R4600_V1_HIT_CACHEOP               << 
2513         bool                                  << 
2514                                               << 
2515 # Writeback and invalidate the primary cache  << 
2516 #                                             << 
2517 # R4600 v2.0 bug: "The CACHE instructions Hit << 
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat << 
2519 # operate correctly if the internal data cach << 
2520 # CACHE instructions should be separated from << 
2521 # by a load instruction to an uncached addres << 
2522 # (Revision 2.0 device errata from IDT availa << 
2523 # in .pdf format.)                            << 
2524 config WAR_R4600_V2_HIT_CACHEOP               << 
2525         bool                                  << 
2526                                               << 
2527 # From TX49/H2 manual: "If the instruction (i << 
2528 # the line which this instruction itself exis << 
2529 # operation is not guaranteed."               << 
2530 #                                             << 
2531 # Workaround: do two phase flushing for Index << 
2532 config WAR_TX49XX_ICACHE_INDEX_INV            << 
2533         bool                                  << 
2534                                               << 
2535 # The RM7000 processors and the E9000 cores h << 
2536 # opposes it being called that) where invalid << 
2537 # I-cache line worth of instructions being fe << 
2538 # exceptions.                                 << 
2539 config WAR_ICACHE_REFILLS                     << 
2540         bool                                  << 
2541                                               << 
2542 # On the R10000 up to version 2.6 (not sure a << 
2543 # may cause ll / sc and lld / scd sequences t << 
2544 config WAR_R10000_LLSC                        << 
2545         bool                                  << 
2546                                               << 
2547 # 34K core erratum: "Problems Executing the T << 
2548 config WAR_MIPS34K_MISSED_ITLB                << 
2549         bool                                  << 
2550                                               << 
2551 #                                                2662 #
2552 # - Highmem only makes sense for the 32-bit k    2663 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p    2664 # - The current highmem code will only work properly on physically indexed
2554 #   caches such as R3000, SB1, R7000 or those    2665 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 #   indexed such as R4000/R4400 SC and MC ver    2666 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
2556 #   moment we protect the user and offer the     2667 #   moment we protect the user and offer the highmem option only on machines
2557 #   where it's known to be safe.  This will n    2668 #   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     2669 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 #   indexed CPUs but we're playing safe.         2670 #   indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high    2671 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 #   know they might have memory configuration    2672 #   know they might have memory configurations that could make use of highmem
2562 #   support.                                     2673 #   support.
2563 #                                                2674 #
2564 config HIGHMEM                                   2675 config HIGHMEM
2565         bool "High Memory Support"               2676         bool "High Memory Support"
2566         depends on 32BIT && CPU_SUPPORTS_HIGH    2677         depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
2567         select KMAP_LOCAL                     << 
2568                                                  2678 
2569 config CPU_SUPPORTS_HIGHMEM                      2679 config CPU_SUPPORTS_HIGHMEM
2570         bool                                     2680         bool
2571                                                  2681 
2572 config SYS_SUPPORTS_HIGHMEM                      2682 config SYS_SUPPORTS_HIGHMEM
2573         bool                                     2683         bool
2574                                                  2684 
2575 config SYS_SUPPORTS_SMARTMIPS                    2685 config SYS_SUPPORTS_SMARTMIPS
2576         bool                                     2686         bool
2577                                                  2687 
2578 config SYS_SUPPORTS_MICROMIPS                    2688 config SYS_SUPPORTS_MICROMIPS
2579         bool                                     2689         bool
2580                                                  2690 
2581 config SYS_SUPPORTS_MIPS16                       2691 config SYS_SUPPORTS_MIPS16
2582         bool                                     2692         bool
2583         help                                     2693         help
2584           This option must be set if a kernel    2694           This option must be set if a kernel might be executed on a MIPS16-
2585           enabled CPU even if MIPS16 is not a    2695           enabled CPU even if MIPS16 is not actually being used.  In other
2586           words, it makes the kernel MIPS16-t    2696           words, it makes the kernel MIPS16-tolerant.
2587                                                  2697 
2588 config CPU_SUPPORTS_MSA                          2698 config CPU_SUPPORTS_MSA
2589         bool                                     2699         bool
2590                                                  2700 
2591 config ARCH_FLATMEM_ENABLE                       2701 config ARCH_FLATMEM_ENABLE
2592         def_bool y                               2702         def_bool y
2593         depends on !NUMA && !CPU_LOONGSON2EF     2703         depends on !NUMA && !CPU_LOONGSON2EF
2594                                                  2704 
2595 config ARCH_SPARSEMEM_ENABLE                     2705 config ARCH_SPARSEMEM_ENABLE
2596         bool                                     2706         bool
                                                   >> 2707         select SPARSEMEM_STATIC if !SGI_IP27
2597                                                  2708 
2598 config NUMA                                      2709 config NUMA
2599         bool "NUMA Support"                      2710         bool "NUMA Support"
2600         depends on SYS_SUPPORTS_NUMA             2711         depends on SYS_SUPPORTS_NUMA
2601         select SMP                            << 
2602         select HAVE_SETUP_PER_CPU_AREA        << 
2603         select NEED_PER_CPU_EMBED_FIRST_CHUNK << 
2604         help                                     2712         help
2605           Say Y to compile the kernel to supp    2713           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606           Access).  This option improves perf    2714           Access).  This option improves performance on systems with more
2607           than two nodes; on two node systems    2715           than two nodes; on two node systems it is generally better to
2608           leave it disabled; on single node s    2716           leave it disabled; on single node systems leave this option
2609           disabled.                              2717           disabled.
2610                                                  2718 
2611 config SYS_SUPPORTS_NUMA                         2719 config SYS_SUPPORTS_NUMA
2612         bool                                     2720         bool
2613                                                  2721 
                                                   >> 2722 config HAVE_SETUP_PER_CPU_AREA
                                                   >> 2723         def_bool y
                                                   >> 2724         depends on NUMA
                                                   >> 2725 
                                                   >> 2726 config NEED_PER_CPU_EMBED_FIRST_CHUNK
                                                   >> 2727         def_bool y
                                                   >> 2728         depends on NUMA
                                                   >> 2729 
2614 config RELOCATABLE                               2730 config RELOCATABLE
2615         bool "Relocatable kernel"                2731         bool "Relocatable kernel"
2616         depends on SYS_SUPPORTS_RELOCATABLE      2732         depends on SYS_SUPPORTS_RELOCATABLE
2617         depends on CPU_MIPS32_R2 || CPU_MIPS6    2733         depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
2618                    CPU_MIPS32_R5 || CPU_MIPS6    2734                    CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
2619                    CPU_MIPS32_R6 || CPU_MIPS6    2735                    CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
2620                    CPU_P5600 || CAVIUM_OCTEON !! 2736                    CPU_P5600 || CAVIUM_OCTEON_SOC
2621                    CPU_LOONGSON64             << 
2622         help                                     2737         help
2623           This builds a kernel image that ret    2738           This builds a kernel image that retains relocation information
2624           so it can be loaded someplace besid    2739           so it can be loaded someplace besides the default 1MB.
2625           The relocations make the kernel bin    2740           The relocations make the kernel binary about 15% larger,
2626           but are discarded at runtime           2741           but are discarded at runtime
2627                                                  2742 
2628 config RELOCATION_TABLE_SIZE                     2743 config RELOCATION_TABLE_SIZE
2629         hex "Relocation table size"              2744         hex "Relocation table size"
2630         depends on RELOCATABLE                   2745         depends on RELOCATABLE
2631         range 0x0 0x01000000                     2746         range 0x0 0x01000000
2632         default "0x00200000" if CPU_LOONGSON6 << 
2633         default "0x00100000"                     2747         default "0x00100000"
2634         help                                     2748         help
2635           A table of relocation data will be     2749           A table of relocation data will be appended to the kernel binary
2636           and parsed at boot to fix up the re    2750           and parsed at boot to fix up the relocated kernel.
2637                                                  2751 
2638           This option allows the amount of sp    2752           This option allows the amount of space reserved for the table to be
2639           adjusted, although the default of 1    2753           adjusted, although the default of 1Mb should be ok in most cases.
2640                                                  2754 
2641           The build will fail and a valid siz    2755           The build will fail and a valid size suggested if this is too small.
2642                                                  2756 
2643           If unsure, leave at the default val    2757           If unsure, leave at the default value.
2644                                                  2758 
2645 config RANDOMIZE_BASE                            2759 config RANDOMIZE_BASE
2646         bool "Randomize the address of the ke    2760         bool "Randomize the address of the kernel image"
2647         depends on RELOCATABLE                   2761         depends on RELOCATABLE
2648         help                                     2762         help
2649           Randomizes the physical and virtual    2763           Randomizes the physical and virtual address at which the
2650           kernel image is loaded, as a securi    2764           kernel image is loaded, as a security feature that
2651           deters exploit attempts relying on     2765           deters exploit attempts relying on knowledge of the location
2652           of kernel internals.                   2766           of kernel internals.
2653                                                  2767 
2654           Entropy is generated using any copr    2768           Entropy is generated using any coprocessor 0 registers available.
2655                                                  2769 
2656           The kernel will be offset by up to     2770           The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
2657                                                  2771 
2658           If unsure, say N.                      2772           If unsure, say N.
2659                                                  2773 
2660 config RANDOMIZE_BASE_MAX_OFFSET                 2774 config RANDOMIZE_BASE_MAX_OFFSET
2661         hex "Maximum kASLR offset" if EXPERT     2775         hex "Maximum kASLR offset" if EXPERT
2662         depends on RANDOMIZE_BASE                2776         depends on RANDOMIZE_BASE
2663         range 0x0 0x40000000 if EVA || 64BIT     2777         range 0x0 0x40000000 if EVA || 64BIT
2664         range 0x0 0x08000000                     2778         range 0x0 0x08000000
2665         default "0x01000000"                     2779         default "0x01000000"
2666         help                                     2780         help
2667           When kASLR is active, this provides    2781           When kASLR is active, this provides the maximum offset that will
2668           be applied to the kernel image. It     2782           be applied to the kernel image. It should be set according to the
2669           amount of physical RAM available in    2783           amount of physical RAM available in the target system minus
2670           PHYSICAL_START and must be a power     2784           PHYSICAL_START and must be a power of 2.
2671                                                  2785 
2672           This is limited by the size of KSEG    2786           This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
2673           EVA or 64-bit. The default is 16Mb.    2787           EVA or 64-bit. The default is 16Mb.
2674                                                  2788 
2675 config NODES_SHIFT                               2789 config NODES_SHIFT
2676         int                                      2790         int
2677         default "6"                              2791         default "6"
2678         depends on NUMA                       !! 2792         depends on NEED_MULTIPLE_NODES
2679                                                  2793 
2680 config HW_PERF_EVENTS                            2794 config HW_PERF_EVENTS
2681         bool "Enable hardware performance cou    2795         bool "Enable hardware performance counter support for perf events"
2682         depends on PERF_EVENTS && (CPU_MIPS32 !! 2796         depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
2683         default y                                2797         default y
2684         help                                     2798         help
2685           Enable hardware performance counter    2799           Enable hardware performance counter support for perf events. If
2686           disabled, perf events will use soft    2800           disabled, perf events will use software events only.
2687                                                  2801 
2688 config DMI                                       2802 config DMI
2689         bool "Enable DMI scanning"               2803         bool "Enable DMI scanning"
2690         depends on MACH_LOONGSON64               2804         depends on MACH_LOONGSON64
2691         select DMI_SCAN_MACHINE_NON_EFI_FALLB    2805         select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
2692         default y                                2806         default y
2693         help                                     2807         help
2694           Enabled scanning of DMI to identify    2808           Enabled scanning of DMI to identify machine quirks. Say Y
2695           here unless you have verified that     2809           here unless you have verified that your setup is not
2696           affected by entries in the DMI blac    2810           affected by entries in the DMI blacklist. Required by PNP
2697           BIOS code.                             2811           BIOS code.
2698                                                  2812 
2699 config SMP                                       2813 config SMP
2700         bool "Multi-Processing support"          2814         bool "Multi-Processing support"
2701         depends on SYS_SUPPORTS_SMP              2815         depends on SYS_SUPPORTS_SMP
2702         help                                     2816         help
2703           This enables support for systems wi    2817           This enables support for systems with more than one CPU. If you have
2704           a system with only one CPU, say N.     2818           a system with only one CPU, say N. If you have a system with more
2705           than one CPU, say Y.                   2819           than one CPU, say Y.
2706                                                  2820 
2707           If you say N here, the kernel will     2821           If you say N here, the kernel will run on uni- and multiprocessor
2708           machines, but will use only one CPU    2822           machines, but will use only one CPU of a multiprocessor machine. If
2709           you say Y here, the kernel will run    2823           you say Y here, the kernel will run on many, but not all,
2710           uniprocessor machines. On a uniproc    2824           uniprocessor machines. On a uniprocessor machine, the kernel
2711           will run faster if you say N here.     2825           will run faster if you say N here.
2712                                                  2826 
2713           People using multiprocessor machine    2827           People using multiprocessor machines who say Y here should also say
2714           Y to "Enhanced Real Time Clock Supp    2828           Y to "Enhanced Real Time Clock Support", below.
2715                                                  2829 
2716           See also the SMP-HOWTO available at    2830           See also the SMP-HOWTO available at
2717           <https://www.tldp.org/docs.html#how !! 2831           <http://www.tldp.org/docs.html#howto>.
2718                                                  2832 
2719           If you don't know what to do here,     2833           If you don't know what to do here, say N.
2720                                                  2834 
2721 config HOTPLUG_CPU                               2835 config HOTPLUG_CPU
2722         bool "Support for hot-pluggable CPUs"    2836         bool "Support for hot-pluggable CPUs"
2723         depends on SMP && SYS_SUPPORTS_HOTPLU    2837         depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
2724         help                                     2838         help
2725           Say Y here to allow turning CPUs of    2839           Say Y here to allow turning CPUs off and on. CPUs can be
2726           controlled through /sys/devices/sys    2840           controlled through /sys/devices/system/cpu.
2727           (Note: power management support wil    2841           (Note: power management support will enable this option
2728             automatically on SMP systems. )      2842             automatically on SMP systems. )
2729           Say N if you want to disable CPU ho    2843           Say N if you want to disable CPU hotplug.
2730                                                  2844 
2731 config SMP_UP                                    2845 config SMP_UP
2732         bool                                     2846         bool
2733                                                  2847 
                                                   >> 2848 config SYS_SUPPORTS_MIPS_CMP
                                                   >> 2849         bool
                                                   >> 2850 
2734 config SYS_SUPPORTS_MIPS_CPS                     2851 config SYS_SUPPORTS_MIPS_CPS
2735         bool                                     2852         bool
2736                                                  2853 
2737 config SYS_SUPPORTS_SMP                          2854 config SYS_SUPPORTS_SMP
2738         bool                                     2855         bool
2739                                                  2856 
2740 config NR_CPUS_DEFAULT_4                         2857 config NR_CPUS_DEFAULT_4
2741         bool                                     2858         bool
2742                                                  2859 
2743 config NR_CPUS_DEFAULT_8                         2860 config NR_CPUS_DEFAULT_8
2744         bool                                     2861         bool
2745                                                  2862 
2746 config NR_CPUS_DEFAULT_16                        2863 config NR_CPUS_DEFAULT_16
2747         bool                                     2864         bool
2748                                                  2865 
2749 config NR_CPUS_DEFAULT_32                        2866 config NR_CPUS_DEFAULT_32
2750         bool                                     2867         bool
2751                                                  2868 
2752 config NR_CPUS_DEFAULT_64                        2869 config NR_CPUS_DEFAULT_64
2753         bool                                     2870         bool
2754                                                  2871 
2755 config NR_CPUS                                   2872 config NR_CPUS
2756         int "Maximum number of CPUs (2-256)"     2873         int "Maximum number of CPUs (2-256)"
2757         range 2 256                              2874         range 2 256
2758         depends on SMP                           2875         depends on SMP
2759         default "4" if NR_CPUS_DEFAULT_4         2876         default "4" if NR_CPUS_DEFAULT_4
2760         default "8" if NR_CPUS_DEFAULT_8         2877         default "8" if NR_CPUS_DEFAULT_8
2761         default "16" if NR_CPUS_DEFAULT_16       2878         default "16" if NR_CPUS_DEFAULT_16
2762         default "32" if NR_CPUS_DEFAULT_32       2879         default "32" if NR_CPUS_DEFAULT_32
2763         default "64" if NR_CPUS_DEFAULT_64       2880         default "64" if NR_CPUS_DEFAULT_64
2764         help                                     2881         help
2765           This allows you to specify the maxi    2882           This allows you to specify the maximum number of CPUs which this
2766           kernel will support.  The maximum s    2883           kernel will support.  The maximum supported value is 32 for 32-bit
2767           kernel and 64 for 64-bit kernels; t    2884           kernel and 64 for 64-bit kernels; the minimum value which makes
2768           sense is 1 for Qemu (useful only fo    2885           sense is 1 for Qemu (useful only for kernel debugging purposes)
2769           and 2 for all others.                  2886           and 2 for all others.
2770                                                  2887 
2771           This is purely to save memory - eac    2888           This is purely to save memory - each supported CPU adds
2772           approximately eight kilobytes to th    2889           approximately eight kilobytes to the kernel image.  For best
2773           performance should round up your nu    2890           performance should round up your number of processors to the next
2774           power of two.                          2891           power of two.
2775                                                  2892 
2776 config MIPS_PERF_SHARED_TC_COUNTERS              2893 config MIPS_PERF_SHARED_TC_COUNTERS
2777         bool                                     2894         bool
2778                                                  2895 
2779 config MIPS_NR_CPU_NR_MAP_1024                   2896 config MIPS_NR_CPU_NR_MAP_1024
2780         bool                                     2897         bool
2781                                                  2898 
2782 config MIPS_NR_CPU_NR_MAP                        2899 config MIPS_NR_CPU_NR_MAP
2783         int                                      2900         int
2784         depends on SMP                           2901         depends on SMP
2785         default 1024 if MIPS_NR_CPU_NR_MAP_10    2902         default 1024 if MIPS_NR_CPU_NR_MAP_1024
2786         default NR_CPUS if !MIPS_NR_CPU_NR_MA    2903         default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
2787                                                  2904 
2788 #                                                2905 #
2789 # Timer Interrupt Frequency Configuration        2906 # Timer Interrupt Frequency Configuration
2790 #                                                2907 #
2791                                                  2908 
2792 choice                                           2909 choice
2793         prompt "Timer frequency"                 2910         prompt "Timer frequency"
2794         default HZ_250                           2911         default HZ_250
2795         help                                     2912         help
2796           Allows the configuration of the tim    2913           Allows the configuration of the timer frequency.
2797                                                  2914 
2798         config HZ_24                             2915         config HZ_24
2799                 bool "24 HZ" if SYS_SUPPORTS_    2916                 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
2800                                                  2917 
2801         config HZ_48                             2918         config HZ_48
2802                 bool "48 HZ" if SYS_SUPPORTS_    2919                 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803                                                  2920 
2804         config HZ_100                            2921         config HZ_100
2805                 bool "100 HZ" if SYS_SUPPORTS    2922                 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806                                                  2923 
2807         config HZ_128                            2924         config HZ_128
2808                 bool "128 HZ" if SYS_SUPPORTS    2925                 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809                                                  2926 
2810         config HZ_250                            2927         config HZ_250
2811                 bool "250 HZ" if SYS_SUPPORTS    2928                 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812                                                  2929 
2813         config HZ_256                            2930         config HZ_256
2814                 bool "256 HZ" if SYS_SUPPORTS    2931                 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815                                                  2932 
2816         config HZ_1000                           2933         config HZ_1000
2817                 bool "1000 HZ" if SYS_SUPPORT    2934                 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818                                                  2935 
2819         config HZ_1024                           2936         config HZ_1024
2820                 bool "1024 HZ" if SYS_SUPPORT    2937                 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821                                                  2938 
2822 endchoice                                        2939 endchoice
2823                                                  2940 
2824 config SYS_SUPPORTS_24HZ                         2941 config SYS_SUPPORTS_24HZ
2825         bool                                     2942         bool
2826                                                  2943 
2827 config SYS_SUPPORTS_48HZ                         2944 config SYS_SUPPORTS_48HZ
2828         bool                                     2945         bool
2829                                                  2946 
2830 config SYS_SUPPORTS_100HZ                        2947 config SYS_SUPPORTS_100HZ
2831         bool                                     2948         bool
2832                                                  2949 
2833 config SYS_SUPPORTS_128HZ                        2950 config SYS_SUPPORTS_128HZ
2834         bool                                     2951         bool
2835                                                  2952 
2836 config SYS_SUPPORTS_250HZ                        2953 config SYS_SUPPORTS_250HZ
2837         bool                                     2954         bool
2838                                                  2955 
2839 config SYS_SUPPORTS_256HZ                        2956 config SYS_SUPPORTS_256HZ
2840         bool                                     2957         bool
2841                                                  2958 
2842 config SYS_SUPPORTS_1000HZ                       2959 config SYS_SUPPORTS_1000HZ
2843         bool                                     2960         bool
2844                                                  2961 
2845 config SYS_SUPPORTS_1024HZ                       2962 config SYS_SUPPORTS_1024HZ
2846         bool                                     2963         bool
2847                                                  2964 
2848 config SYS_SUPPORTS_ARBIT_HZ                     2965 config SYS_SUPPORTS_ARBIT_HZ
2849         bool                                     2966         bool
2850         default y if !SYS_SUPPORTS_24HZ && \     2967         default y if !SYS_SUPPORTS_24HZ && \
2851                      !SYS_SUPPORTS_48HZ && \     2968                      !SYS_SUPPORTS_48HZ && \
2852                      !SYS_SUPPORTS_100HZ && \    2969                      !SYS_SUPPORTS_100HZ && \
2853                      !SYS_SUPPORTS_128HZ && \    2970                      !SYS_SUPPORTS_128HZ && \
2854                      !SYS_SUPPORTS_250HZ && \    2971                      !SYS_SUPPORTS_250HZ && \
2855                      !SYS_SUPPORTS_256HZ && \    2972                      !SYS_SUPPORTS_256HZ && \
2856                      !SYS_SUPPORTS_1000HZ &&     2973                      !SYS_SUPPORTS_1000HZ && \
2857                      !SYS_SUPPORTS_1024HZ        2974                      !SYS_SUPPORTS_1024HZ
2858                                                  2975 
2859 config HZ                                        2976 config HZ
2860         int                                      2977         int
2861         default 24 if HZ_24                      2978         default 24 if HZ_24
2862         default 48 if HZ_48                      2979         default 48 if HZ_48
2863         default 100 if HZ_100                    2980         default 100 if HZ_100
2864         default 128 if HZ_128                    2981         default 128 if HZ_128
2865         default 250 if HZ_250                    2982         default 250 if HZ_250
2866         default 256 if HZ_256                    2983         default 256 if HZ_256
2867         default 1000 if HZ_1000                  2984         default 1000 if HZ_1000
2868         default 1024 if HZ_1024                  2985         default 1024 if HZ_1024
2869                                                  2986 
2870 config SCHED_HRTICK                              2987 config SCHED_HRTICK
2871         def_bool HIGH_RES_TIMERS                 2988         def_bool HIGH_RES_TIMERS
2872                                                  2989 
2873 config ARCH_SUPPORTS_KEXEC                    !! 2990 config KEXEC
2874         def_bool y                            !! 2991         bool "Kexec system call"
2875                                               !! 2992         select KEXEC_CORE
2876 config ARCH_SUPPORTS_CRASH_DUMP               !! 2993         help
2877         def_bool y                            !! 2994           kexec is a system call that implements the ability to shutdown your
                                                   >> 2995           current kernel, and to start another kernel.  It is like a reboot
                                                   >> 2996           but it is independent of the system firmware.   And like a reboot
                                                   >> 2997           you can start any kernel with it, not just Linux.
                                                   >> 2998 
                                                   >> 2999           The name comes from the similarity to the exec system call.
                                                   >> 3000 
                                                   >> 3001           It is an ongoing process to be certain the hardware in a machine
                                                   >> 3002           is properly shutdown, so do not be surprised if this code does not
                                                   >> 3003           initially work for you.  As of this writing the exact hardware
                                                   >> 3004           interface is strongly in flux, so no good recommendation can be
                                                   >> 3005           made.
                                                   >> 3006 
                                                   >> 3007 config CRASH_DUMP
                                                   >> 3008         bool "Kernel crash dumps"
                                                   >> 3009         help
                                                   >> 3010           Generate crash dump after being started by kexec.
                                                   >> 3011           This should be normally only set in special crash dump kernels
                                                   >> 3012           which are loaded in the main kernel with kexec-tools into
                                                   >> 3013           a specially reserved region and then later executed after
                                                   >> 3014           a crash by kdump/kexec. The crash dump kernel must be compiled
                                                   >> 3015           to a memory address not used by the main kernel or firmware using
                                                   >> 3016           PHYSICAL_START.
2878                                                  3017 
2879 config PHYSICAL_START                            3018 config PHYSICAL_START
2880         hex "Physical address where the kerne    3019         hex "Physical address where the kernel is loaded"
2881         default "0xffffffff84000000"             3020         default "0xffffffff84000000"
2882         depends on CRASH_DUMP                    3021         depends on CRASH_DUMP
2883         help                                     3022         help
2884           This gives the CKSEG0 or KSEG0 addr    3023           This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
2885           If you plan to use kernel for captu    3024           If you plan to use kernel for capturing the crash dump change
2886           this value to start of the reserved    3025           this value to start of the reserved region (the "X" value as
2887           specified in the "crashkernel=YM@XM    3026           specified in the "crashkernel=YM@XM" command line boot parameter
2888           passed to the panic-ed kernel).        3027           passed to the panic-ed kernel).
2889                                                  3028 
                                                   >> 3029 config SECCOMP
                                                   >> 3030         bool "Enable seccomp to safely compute untrusted bytecode"
                                                   >> 3031         depends on PROC_FS
                                                   >> 3032         default y
                                                   >> 3033         help
                                                   >> 3034           This kernel feature is useful for number crunching applications
                                                   >> 3035           that may need to compute untrusted bytecode during their
                                                   >> 3036           execution. By using pipes or other transports made available to
                                                   >> 3037           the process as file descriptors supporting the read/write
                                                   >> 3038           syscalls, it's possible to isolate those applications in
                                                   >> 3039           their own address space using seccomp. Once seccomp is
                                                   >> 3040           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 3041           and the task is only allowed to execute a few safe syscalls
                                                   >> 3042           defined by each seccomp mode.
                                                   >> 3043 
                                                   >> 3044           If unsure, say Y. Only embedded should say N here.
                                                   >> 3045 
2890 config MIPS_O32_FP64_SUPPORT                     3046 config MIPS_O32_FP64_SUPPORT
2891         bool "Support for O32 binaries using     3047         bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
2892         depends on 32BIT || MIPS32_O32           3048         depends on 32BIT || MIPS32_O32
2893         help                                     3049         help
2894           When this is enabled, the kernel wi    3050           When this is enabled, the kernel will support use of 64-bit floating
2895           point registers with binaries using    3051           point registers with binaries using the O32 ABI along with the
2896           EF_MIPS_FP64 ELF header flag (typic    3052           EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
2897           32-bit MIPS systems this support is    3053           32-bit MIPS systems this support is at the cost of increasing the
2898           size and complexity of the compiled    3054           size and complexity of the compiled FPU emulator. Thus if you are
2899           running a MIPS32 system and know th    3055           running a MIPS32 system and know that none of your userland binaries
2900           will require 64-bit floating point,    3056           will require 64-bit floating point, you may wish to reduce the size
2901           of your kernel & potentially improv    3057           of your kernel & potentially improve FP emulation performance by
2902           saying N here.                         3058           saying N here.
2903                                                  3059 
2904           Although binutils currently support    3060           Although binutils currently supports use of this flag the details
2905           concerning its effect upon the O32     3061           concerning its effect upon the O32 ABI in userland are still being
2906           worked on. In order to avoid userla !! 3062           worked on. In order to avoid userland becoming dependant upon current
2907           behaviour before the details have b    3063           behaviour before the details have been finalised, this option should
2908           be considered experimental and only    3064           be considered experimental and only enabled by those working upon
2909           said details.                          3065           said details.
2910                                                  3066 
2911           If unsure, say N.                      3067           If unsure, say N.
2912                                                  3068 
2913 config USE_OF                                    3069 config USE_OF
2914         bool                                     3070         bool
2915         select OF                                3071         select OF
2916         select OF_EARLY_FLATTREE                 3072         select OF_EARLY_FLATTREE
2917         select IRQ_DOMAIN                        3073         select IRQ_DOMAIN
2918                                                  3074 
2919 config UHI_BOOT                                  3075 config UHI_BOOT
2920         bool                                     3076         bool
2921                                                  3077 
2922 config BUILTIN_DTB                               3078 config BUILTIN_DTB
2923         bool                                     3079         bool
2924                                                  3080 
2925 choice                                           3081 choice
2926         prompt "Kernel appended dtb support"  !! 3082         prompt "Kernel appended dtb support" if USE_OF
2927         depends on USE_OF                     << 
2928         default MIPS_NO_APPENDED_DTB             3083         default MIPS_NO_APPENDED_DTB
2929                                                  3084 
2930         config MIPS_NO_APPENDED_DTB              3085         config MIPS_NO_APPENDED_DTB
2931                 bool "None"                      3086                 bool "None"
2932                 help                             3087                 help
2933                   Do not enable appended dtb     3088                   Do not enable appended dtb support.
2934                                                  3089 
2935         config MIPS_ELF_APPENDED_DTB             3090         config MIPS_ELF_APPENDED_DTB
2936                 bool "vmlinux"                   3091                 bool "vmlinux"
2937                 help                             3092                 help
2938                   With this option, the boot     3093                   With this option, the boot code will look for a device tree binary
2939                   DTB) included in the vmlinu    3094                   DTB) included in the vmlinux ELF section .appended_dtb. By default
2940                   it is empty and the DTB can    3095                   it is empty and the DTB can be appended using binutils command
2941                   objcopy:                       3096                   objcopy:
2942                                                  3097 
2943                     objcopy --update-section     3098                     objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
2944                                                  3099 
2945                   This is meant as a backward !! 3100                   This is meant as a backward compatiblity convenience for those
2946                   systems with a bootloader t    3101                   systems with a bootloader that can't be upgraded to accommodate
2947                   the documented boot protoco    3102                   the documented boot protocol using a device tree.
2948                                                  3103 
2949         config MIPS_RAW_APPENDED_DTB             3104         config MIPS_RAW_APPENDED_DTB
2950                 bool "vmlinux.bin or vmlinuz.    3105                 bool "vmlinux.bin or vmlinuz.bin"
2951                 help                             3106                 help
2952                   With this option, the boot     3107                   With this option, the boot code will look for a device tree binary
2953                   DTB) appended to raw vmlinu    3108                   DTB) appended to raw vmlinux.bin or vmlinuz.bin.
2954                   (e.g. cat vmlinux.bin <file    3109                   (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
2955                                                  3110 
2956                   This is meant as a backward    3111                   This is meant as a backward compatibility convenience for those
2957                   systems with a bootloader t    3112                   systems with a bootloader that can't be upgraded to accommodate
2958                   the documented boot protoco    3113                   the documented boot protocol using a device tree.
2959                                                  3114 
2960                   Beware that there is very l    3115                   Beware that there is very little in terms of protection against
2961                   this option being confused     3116                   this option being confused by leftover garbage in memory that might
2962                   look like a DTB header afte    3117                   look like a DTB header after a reboot if no actual DTB is appended
2963                   to vmlinux.bin.  Do not lea    3118                   to vmlinux.bin.  Do not leave this option active in a production kernel
2964                   if you don't intend to alwa    3119                   if you don't intend to always append a DTB.
2965 endchoice                                        3120 endchoice
2966                                                  3121 
2967 choice                                           3122 choice
2968         prompt "Kernel command line type"     !! 3123         prompt "Kernel command line type" if !CMDLINE_OVERRIDE
2969         depends on !CMDLINE_OVERRIDE          << 
2970         default MIPS_CMDLINE_FROM_DTB if USE_    3124         default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
2971                                          !MAC    3125                                          !MACH_LOONGSON64 && !MIPS_MALTA && \
2972                                          !CAV    3126                                          !CAVIUM_OCTEON_SOC
2973         default MIPS_CMDLINE_FROM_BOOTLOADER     3127         default MIPS_CMDLINE_FROM_BOOTLOADER
2974                                                  3128 
2975         config MIPS_CMDLINE_FROM_DTB             3129         config MIPS_CMDLINE_FROM_DTB
2976                 depends on USE_OF                3130                 depends on USE_OF
2977                 bool "Dtb kernel arguments if    3131                 bool "Dtb kernel arguments if available"
2978                                                  3132 
2979         config MIPS_CMDLINE_DTB_EXTEND           3133         config MIPS_CMDLINE_DTB_EXTEND
2980                 depends on USE_OF                3134                 depends on USE_OF
2981                 bool "Extend dtb kernel argum    3135                 bool "Extend dtb kernel arguments with bootloader arguments"
2982                                                  3136 
2983         config MIPS_CMDLINE_FROM_BOOTLOADER      3137         config MIPS_CMDLINE_FROM_BOOTLOADER
2984                 bool "Bootloader kernel argum    3138                 bool "Bootloader kernel arguments if available"
2985                                                  3139 
2986         config MIPS_CMDLINE_BUILTIN_EXTEND       3140         config MIPS_CMDLINE_BUILTIN_EXTEND
2987                 depends on CMDLINE_BOOL          3141                 depends on CMDLINE_BOOL
2988                 bool "Extend builtin kernel a    3142                 bool "Extend builtin kernel arguments with bootloader arguments"
2989 endchoice                                        3143 endchoice
2990                                                  3144 
2991 endmenu                                          3145 endmenu
2992                                                  3146 
2993 config LOCKDEP_SUPPORT                           3147 config LOCKDEP_SUPPORT
2994         bool                                     3148         bool
2995         default y                                3149         default y
2996                                                  3150 
2997 config STACKTRACE_SUPPORT                        3151 config STACKTRACE_SUPPORT
2998         bool                                     3152         bool
2999         default y                                3153         default y
3000                                                  3154 
3001 config PGTABLE_LEVELS                            3155 config PGTABLE_LEVELS
3002         int                                      3156         int
3003         default 4 if PAGE_SIZE_4KB && MIPS_VA    3157         default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
3004         default 3 if 64BIT && (!PAGE_SIZE_64K !! 3158         default 3 if 64BIT && !PAGE_SIZE_64KB
3005         default 2                                3159         default 2
3006                                                  3160 
3007 config MIPS_AUTO_PFN_OFFSET                      3161 config MIPS_AUTO_PFN_OFFSET
3008         bool                                     3162         bool
3009                                                  3163 
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC    3164 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011                                                  3165 
3012 config PCI_DRIVERS_GENERIC                       3166 config PCI_DRIVERS_GENERIC
3013         select PCI_DOMAINS_GENERIC if PCI        3167         select PCI_DOMAINS_GENERIC if PCI
3014         bool                                     3168         bool
3015                                                  3169 
3016 config PCI_DRIVERS_LEGACY                        3170 config PCI_DRIVERS_LEGACY
3017         def_bool !PCI_DRIVERS_GENERIC            3171         def_bool !PCI_DRIVERS_GENERIC
3018         select NO_GENERIC_PCI_IOPORT_MAP         3172         select NO_GENERIC_PCI_IOPORT_MAP
3019         select PCI_DOMAINS if PCI                3173         select PCI_DOMAINS if PCI
3020                                                  3174 
3021 #                                                3175 #
3022 # ISA support is now enabled via select.  Too    3176 # 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    3177 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ...            3178 # users to choose the right thing ...
3025 #                                                3179 #
3026 config ISA                                       3180 config ISA
3027         bool                                     3181         bool
3028                                                  3182 
3029 config TC                                        3183 config TC
3030         bool "TURBOchannel support"              3184         bool "TURBOchannel support"
3031         depends on MACH_DECSTATION               3185         depends on MACH_DECSTATION
3032         help                                     3186         help
3033           TURBOchannel is a DEC (now Compaq (    3187           TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034           processors.  TURBOchannel programmi    3188           processors.  TURBOchannel programming specifications are available
3035           at:                                    3189           at:
3036           <ftp://ftp.hp.com/pub/alphaserver/a    3190           <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
3037           and:                                   3191           and:
3038           <http://www.computer-refuge.org/cla    3192           <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
3039           Linux driver support status is docu    3193           Linux driver support status is documented at:
3040           <http://www.linux-mips.org/wiki/DEC    3194           <http://www.linux-mips.org/wiki/DECstation>
3041                                                  3195 
3042 config MMU                                       3196 config MMU
3043         bool                                     3197         bool
3044         default y                                3198         default y
3045                                                  3199 
3046 config ARCH_MMAP_RND_BITS_MIN                    3200 config ARCH_MMAP_RND_BITS_MIN
3047         default 12 if 64BIT                      3201         default 12 if 64BIT
3048         default 8                                3202         default 8
3049                                                  3203 
3050 config ARCH_MMAP_RND_BITS_MAX                    3204 config ARCH_MMAP_RND_BITS_MAX
3051         default 18 if 64BIT                      3205         default 18 if 64BIT
3052         default 15                               3206         default 15
3053                                                  3207 
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN             3208 config ARCH_MMAP_RND_COMPAT_BITS_MIN
3055         default 8                                3209         default 8
3056                                                  3210 
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX             3211 config ARCH_MMAP_RND_COMPAT_BITS_MAX
3058         default 15                               3212         default 15
3059                                                  3213 
3060 config I8253                                     3214 config I8253
3061         bool                                     3215         bool
3062         select CLKSRC_I8253                      3216         select CLKSRC_I8253
3063         select CLKEVT_I8253                      3217         select CLKEVT_I8253
3064         select MIPS_EXTERNAL_TIMER               3218         select MIPS_EXTERNAL_TIMER
                                                   >> 3219 
                                                   >> 3220 config ZONE_DMA
                                                   >> 3221         bool
                                                   >> 3222 
                                                   >> 3223 config ZONE_DMA32
                                                   >> 3224         bool
                                                   >> 3225 
3065 endmenu                                          3226 endmenu
3066                                                  3227 
3067 config TRAD_SIGNALS                              3228 config TRAD_SIGNALS
3068         bool                                     3229         bool
3069                                                  3230 
3070 config MIPS32_COMPAT                             3231 config MIPS32_COMPAT
3071         bool                                     3232         bool
3072                                                  3233 
3073 config COMPAT                                    3234 config COMPAT
3074         bool                                     3235         bool
3075                                                  3236 
                                                   >> 3237 config SYSVIPC_COMPAT
                                                   >> 3238         bool
                                                   >> 3239 
3076 config MIPS32_O32                                3240 config MIPS32_O32
3077         bool "Kernel support for o32 binaries    3241         bool "Kernel support for o32 binaries"
3078         depends on 64BIT                         3242         depends on 64BIT
3079         select ARCH_WANT_OLD_COMPAT_IPC          3243         select ARCH_WANT_OLD_COMPAT_IPC
3080         select COMPAT                            3244         select COMPAT
3081         select MIPS32_COMPAT                     3245         select MIPS32_COMPAT
                                                   >> 3246         select SYSVIPC_COMPAT if SYSVIPC
3082         help                                     3247         help
3083           Select this option if you want to r    3248           Select this option if you want to run o32 binaries.  These are pure
3084           32-bit binaries as used by the 32-b    3249           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
3085           existing binaries are in this forma    3250           existing binaries are in this format.
3086                                                  3251 
3087           If unsure, say Y.                      3252           If unsure, say Y.
3088                                                  3253 
3089 config MIPS32_N32                                3254 config MIPS32_N32
3090         bool "Kernel support for n32 binaries    3255         bool "Kernel support for n32 binaries"
3091         depends on 64BIT                         3256         depends on 64BIT
3092         select ARCH_WANT_COMPAT_IPC_PARSE_VER    3257         select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
3093         select COMPAT                            3258         select COMPAT
3094         select MIPS32_COMPAT                     3259         select MIPS32_COMPAT
                                                   >> 3260         select SYSVIPC_COMPAT if SYSVIPC
3095         help                                     3261         help
3096           Select this option if you want to r    3262           Select this option if you want to run n32 binaries.  These are
3097           64-bit binaries using 32-bit quanti    3263           64-bit binaries using 32-bit quantities for addressing and certain
3098           data that would normally be 64-bit.    3264           data that would normally be 64-bit.  They are used in special
3099           cases.                                 3265           cases.
3100                                                  3266 
3101           If unsure, say N.                      3267           If unsure, say N.
3102                                                  3268 
3103 config CC_HAS_MNO_BRANCH_LIKELY               !! 3269 config BINFMT_ELF32
3104         def_bool y                            !! 3270         bool
3105         depends on $(cc-option,-mno-branch-li !! 3271         default y if MIPS32_O32 || MIPS32_N32
3106                                               !! 3272         select ELFCORE
3107 # https://github.com/llvm/llvm-project/issues << 
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH     << 
3109         def_bool y if CC_IS_CLANG             << 
3110                                                  3273 
3111 menu "Power management options"                  3274 menu "Power management options"
3112                                                  3275 
3113 config ARCH_HIBERNATION_POSSIBLE                 3276 config ARCH_HIBERNATION_POSSIBLE
3114         def_bool y                               3277         def_bool y
3115         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3278         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116                                                  3279 
3117 config ARCH_SUSPEND_POSSIBLE                     3280 config ARCH_SUSPEND_POSSIBLE
3118         def_bool y                               3281         def_bool y
3119         depends on SYS_SUPPORTS_HOTPLUG_CPU |    3282         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120                                                  3283 
3121 source "kernel/power/Kconfig"                    3284 source "kernel/power/Kconfig"
3122                                                  3285 
3123 endmenu                                          3286 endmenu
3124                                                  3287 
3125 config MIPS_EXTERNAL_TIMER                       3288 config MIPS_EXTERNAL_TIMER
3126         bool                                     3289         bool
3127                                                  3290 
3128 menu "CPU Power Management"                      3291 menu "CPU Power Management"
3129                                                  3292 
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME    3293 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
3131 source "drivers/cpufreq/Kconfig"                 3294 source "drivers/cpufreq/Kconfig"
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL !! 3295 endif
3133                                                  3296 
3134 source "drivers/cpuidle/Kconfig"                 3297 source "drivers/cpuidle/Kconfig"
3135                                                  3298 
3136 endmenu                                          3299 endmenu
                                                   >> 3300 
                                                   >> 3301 source "drivers/firmware/Kconfig"
3137                                                  3302 
3138 source "arch/mips/kvm/Kconfig"                   3303 source "arch/mips/kvm/Kconfig"
3139                                                  3304 
3140 source "arch/mips/vdso/Kconfig"                  3305 source "arch/mips/vdso/Kconfig"
                                                      

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