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TOMOYO Linux Cross Reference
Linux/arch/sparc/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/sparc/Kconfig (Version linux-6.12-rc7) and /arch/mips/Kconfig (Version linux-6.11.7)


  1 # SPDX-License-Identifier: GPL-2.0-only        !!   1 # SPDX-License-Identifier: GPL-2.0
  2 config 64BIT                                   !!   2 config MIPS
  3         bool "64-bit kernel" if "$(ARCH)" = "s << 
  4         default "$(ARCH)" = "sparc64"          << 
  5         help                                   << 
  6           SPARC is a family of RISC microproce << 
  7           Sun Microsystems, incorporated.  The << 
  8           workstations and clones.             << 
  9                                                << 
 10           Say yes to build a 64-bit kernel - f << 
 11           Say no to build a 32-bit kernel - fo << 
 12                                                << 
 13 config SPARC                                   << 
 14         bool                                        3         bool
 15         default y                                   4         default y
                                                   >>   5         select ARCH_32BIT_OFF_T if !64BIT
                                                   >>   6         select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
 16         select ARCH_HAS_CPU_CACHE_ALIASING          7         select ARCH_HAS_CPU_CACHE_ALIASING
 17         select ARCH_HAS_DMA_OPS                !!   8         select ARCH_HAS_CPU_FINALIZE_INIT
 18         select ARCH_MIGHT_HAVE_PC_PARPORT if S !!   9         select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
 19         select ARCH_MIGHT_HAVE_PC_SERIO        !!  10         select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
 20         select OF                              !!  11         select ARCH_HAS_FORTIFY_SOURCE
 21         select OF_PROMTREE                     !!  12         select ARCH_HAS_KCOV
 22         select HAVE_ASM_MODVERSIONS            !!  13         select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
 23         select HAVE_ARCH_KGDB if !SMP || SPARC !!  14         select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
 24         select HAVE_ARCH_TRACEHOOK             !!  15         select ARCH_HAS_STRNCPY_FROM_USER
 25         select HAVE_ARCH_SECCOMP if SPARC64    !!  16         select ARCH_HAS_STRNLEN_USER
 26         select HAVE_EXIT_THREAD                !!  17         select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 27         select HAVE_PCI                        !!  18         select ARCH_HAS_UBSAN
 28         select SYSCTL_EXCEPTION_TRACE          !!  19         select ARCH_HAS_GCOV_PROFILE_ALL
 29         select RTC_CLASS                       !!  20         select ARCH_KEEP_MEMBLOCK
 30         select RTC_DRV_M48T59                  !!  21         select ARCH_USE_BUILTIN_BSWAP
 31         select RTC_SYSTOHC                     !!  22         select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
 32         select HAVE_ARCH_JUMP_LABEL if SPARC64 !!  23         select ARCH_USE_MEMTEST
 33         select GENERIC_IRQ_SHOW                !!  24         select ARCH_USE_QUEUED_RWLOCKS
                                                   >>  25         select ARCH_USE_QUEUED_SPINLOCKS
                                                   >>  26         select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
                                                   >>  27         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
 34         select ARCH_WANT_IPC_PARSE_VERSION         28         select ARCH_WANT_IPC_PARSE_VERSION
 35         select GENERIC_PCI_IOMAP               !!  29         select ARCH_WANT_LD_ORPHAN_WARN
 36         select HAS_IOPORT                      !!  30         select BUILDTIME_TABLE_SORT
 37         select HAVE_HARDLOCKUP_DETECTOR_SPARC6 !!  31         select CLONE_BACKWARDS
 38         select HAVE_CBPF_JIT if SPARC32        !!  32         select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
 39         select HAVE_EBPF_JIT if SPARC64        !!  33         select CPU_PM if CPU_IDLE || SUSPEND
 40         select HAVE_DEBUG_BUGVERBOSE           !!  34         select GENERIC_ATOMIC64 if !64BIT
 41         select GENERIC_SMP_IDLE_THREAD         !!  35         select GENERIC_CMOS_UPDATE
 42         select MODULES_USE_ELF_RELA            !!  36         select GENERIC_CPU_AUTOPROBE
 43         select PCI_SYSCALL if PCI              !!  37         select GENERIC_GETTIMEOFDAY
 44         select PCI_MSI_ARCH_FALLBACKS if PCI_M !!  38         select GENERIC_IOMAP
 45         select ODD_RT_SIGACTION                !!  39         select GENERIC_IRQ_PROBE
 46         select OLD_SIGSUSPEND                  !!  40         select GENERIC_IRQ_SHOW
 47         select CPU_NO_EFFICIENT_FFS            !!  41         select GENERIC_ISA_DMA if EISA
 48         select LOCKDEP_SMALL if LOCKDEP        !!  42         select GENERIC_LIB_ASHLDI3
 49         select NEED_DMA_MAP_STATE              !!  43         select GENERIC_LIB_ASHRDI3
 50         select NEED_SG_DMA_LENGTH              << 
 51         select TRACE_IRQFLAGS_SUPPORT          << 
 52                                                << 
 53 config SPARC32                                 << 
 54         def_bool !64BIT                        << 
 55         select ARCH_32BIT_OFF_T                << 
 56         select ARCH_HAS_CPU_FINALIZE_INIT if ! << 
 57         select ARCH_HAS_SYNC_DMA_FOR_CPU       << 
 58         select CLZ_TAB                         << 
 59         select DMA_DIRECT_REMAP                << 
 60         select GENERIC_ATOMIC64                << 
 61         select GENERIC_LIB_CMPDI2                  44         select GENERIC_LIB_CMPDI2
                                                   >>  45         select GENERIC_LIB_LSHRDI3
 62         select GENERIC_LIB_UCMPDI2                 46         select GENERIC_LIB_UCMPDI2
 63         select HAVE_UID16                      !!  47         select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
 64         select HAVE_PAGE_SIZE_4KB              !!  48         select GENERIC_SMP_IDLE_THREAD
 65         select LOCK_MM_AND_FIND_VMA            !!  49         select GENERIC_IDLE_POLL_SETUP
 66         select OLD_SIGACTION                   !!  50         select GENERIC_TIME_VSYSCALL
 67         select ZONE_DMA                        !!  51         select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
 68                                                !!  52         select HAS_IOPORT if !NO_IOPORT_MAP || ISA
 69 config SPARC64                                 !!  53         select HAVE_ARCH_COMPILER_H
 70         def_bool 64BIT                         !!  54         select HAVE_ARCH_JUMP_LABEL
 71         select ALTERNATE_USER_ADDRESS_SPACE    !!  55         select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
 72         select HAVE_FUNCTION_TRACER            !!  56         select HAVE_ARCH_MMAP_RND_BITS if MMU
 73         select HAVE_FUNCTION_GRAPH_TRACER      !!  57         select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
 74         select HAVE_KRETPROBES                 !!  58         select HAVE_ARCH_SECCOMP_FILTER
 75         select HAVE_KPROBES                    !!  59         select HAVE_ARCH_TRACEHOOK
 76         select MMU_GATHER_RCU_TABLE_FREE if SM !!  60         select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
 77         select MMU_GATHER_MERGE_VMAS           !!  61         select HAVE_ASM_MODVERSIONS
 78         select MMU_GATHER_NO_FLUSH_CACHE       << 
 79         select HAVE_ARCH_TRANSPARENT_HUGEPAGE  << 
 80         select HAVE_DYNAMIC_FTRACE             << 
 81         select HAVE_FTRACE_MCOUNT_RECORD       << 
 82         select HAVE_PAGE_SIZE_8KB              << 
 83         select HAVE_SYSCALL_TRACEPOINTS        << 
 84         select HAVE_CONTEXT_TRACKING_USER          62         select HAVE_CONTEXT_TRACKING_USER
 85         select HAVE_TIF_NOHZ                       63         select HAVE_TIF_NOHZ
 86         select HAVE_DEBUG_KMEMLEAK             << 
 87         select IOMMU_HELPER                    << 
 88         select SPARSE_IRQ                      << 
 89         select RTC_DRV_CMOS                    << 
 90         select RTC_DRV_BQ4802                  << 
 91         select RTC_DRV_SUN4V                   << 
 92         select RTC_DRV_STARFIRE                << 
 93         select HAVE_PERF_EVENTS                << 
 94         select PERF_USE_VMALLOC                << 
 95         select ARCH_HAVE_NMI_SAFE_CMPXCHG      << 
 96         select HAVE_C_RECORDMCOUNT                 64         select HAVE_C_RECORDMCOUNT
 97         select HAVE_ARCH_AUDITSYSCALL          !!  65         select HAVE_DEBUG_KMEMLEAK
 98         select ARCH_SUPPORTS_ATOMIC_RMW        !!  66         select HAVE_DEBUG_STACKOVERFLOW
 99         select ARCH_SUPPORTS_DEBUG_PAGEALLOC   !!  67         select HAVE_DMA_CONTIGUOUS
                                                   >>  68         select HAVE_DYNAMIC_FTRACE
                                                   >>  69         select HAVE_EBPF_JIT if !CPU_MICROMIPS
                                                   >>  70         select HAVE_EXIT_THREAD
                                                   >>  71         select HAVE_GUP_FAST
                                                   >>  72         select HAVE_FTRACE_MCOUNT_RECORD
                                                   >>  73         select HAVE_FUNCTION_GRAPH_TRACER
                                                   >>  74         select HAVE_FUNCTION_TRACER
                                                   >>  75         select HAVE_GCC_PLUGINS
                                                   >>  76         select HAVE_GENERIC_VDSO
                                                   >>  77         select HAVE_IOREMAP_PROT
                                                   >>  78         select HAVE_IRQ_EXIT_ON_IRQ_STACK
                                                   >>  79         select HAVE_IRQ_TIME_ACCOUNTING
                                                   >>  80         select HAVE_KPROBES
                                                   >>  81         select HAVE_KRETPROBES
                                                   >>  82         select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
                                                   >>  83         select HAVE_MOD_ARCH_SPECIFIC
100         select HAVE_NMI                            84         select HAVE_NMI
                                                   >>  85         select HAVE_PAGE_SIZE_4KB if !CPU_LOONGSON2EF && !CPU_LOONGSON64
                                                   >>  86         select HAVE_PAGE_SIZE_16KB if !CPU_R3000
                                                   >>  87         select HAVE_PAGE_SIZE_64KB if !CPU_R3000
                                                   >>  88         select HAVE_PERF_EVENTS
                                                   >>  89         select HAVE_PERF_REGS
                                                   >>  90         select HAVE_PERF_USER_STACK_DUMP
101         select HAVE_REGS_AND_STACK_ACCESS_API      91         select HAVE_REGS_AND_STACK_ACCESS_API
102         select ARCH_USE_QUEUED_RWLOCKS         !!  92         select HAVE_RSEQ
103         select ARCH_USE_QUEUED_SPINLOCKS       !!  93         select HAVE_SPARSE_SYSCALL_NR
104         select GENERIC_TIME_VSYSCALL           !!  94         select HAVE_STACKPROTECTOR
105         select ARCH_CLOCKSOURCE_DATA           !!  95         select HAVE_SYSCALL_TRACEPOINTS
106         select ARCH_HAS_PTE_SPECIAL            !!  96         select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
107         select PCI_DOMAINS if PCI              !!  97         select IRQ_FORCED_THREADING
108         select ARCH_HAS_GIGANTIC_PAGE          !!  98         select ISA if EISA
109         select HAVE_SOFTIRQ_ON_OWN_STACK       !!  99         select LOCK_MM_AND_FIND_VMA
110         select HAVE_SETUP_PER_CPU_AREA         !! 100         select MODULES_USE_ELF_REL if MODULES
111         select NEED_PER_CPU_EMBED_FIRST_CHUNK  !! 101         select MODULES_USE_ELF_RELA if MODULES && 64BIT
112         select NEED_PER_CPU_PAGE_FIRST_CHUNK   !! 102         select PERF_USE_VMALLOC
113                                                !! 103         select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
114 config ARCH_PROC_KCORE_TEXT                    !! 104         select RTC_LIB
115         def_bool y                             !! 105         select SYSCTL_EXCEPTION_TRACE
116                                                !! 106         select TRACE_IRQFLAGS_SUPPORT
117 config CPU_BIG_ENDIAN                          !! 107         select ARCH_HAS_ELFCORE_COMPAT
118         def_bool y                             !! 108         select HAVE_ARCH_KCSAN if 64BIT
119                                                   109 
120 config STACKTRACE_SUPPORT                      !! 110 config MIPS_FIXUP_BIGPHYS_ADDR
121         bool                                      111         bool
122         default y if SPARC64                   << 
123                                                   112 
124 config LOCKDEP_SUPPORT                         !! 113 config MIPS_GENERIC
125         bool                                      114         bool
126         default y if SPARC64                   << 
127                                                   115 
128 config ARCH_HIBERNATION_POSSIBLE               !! 116 config MACH_GENERIC_CORE
129         def_bool y if SPARC64                  !! 117         bool
                                                   >> 118 
                                                   >> 119 config MACH_INGENIC
                                                   >> 120         bool
                                                   >> 121         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 122         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 123         select SYS_SUPPORTS_ZBOOT
                                                   >> 124         select DMA_NONCOHERENT
                                                   >> 125         select IRQ_MIPS_CPU
                                                   >> 126         select PINCTRL
                                                   >> 127         select GPIOLIB
                                                   >> 128         select COMMON_CLK
                                                   >> 129         select GENERIC_IRQ_CHIP
                                                   >> 130         select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
                                                   >> 131         select USE_OF
                                                   >> 132         select CPU_SUPPORTS_CPUFREQ
                                                   >> 133         select MIPS_EXTERNAL_TIMER
                                                   >> 134 
                                                   >> 135 menu "Machine selection"
                                                   >> 136 
                                                   >> 137 choice
                                                   >> 138         prompt "System type"
                                                   >> 139         default MIPS_GENERIC_KERNEL
                                                   >> 140 
                                                   >> 141 config MIPS_GENERIC_KERNEL
                                                   >> 142         bool "Generic board-agnostic MIPS kernel"
                                                   >> 143         select MIPS_GENERIC
                                                   >> 144         select BOOT_RAW
                                                   >> 145         select BUILTIN_DTB
                                                   >> 146         select CEVT_R4K
                                                   >> 147         select CLKSRC_MIPS_GIC
                                                   >> 148         select COMMON_CLK
                                                   >> 149         select CPU_MIPSR2_IRQ_EI
                                                   >> 150         select CPU_MIPSR2_IRQ_VI
                                                   >> 151         select CSRC_R4K
                                                   >> 152         select DMA_NONCOHERENT
                                                   >> 153         select HAVE_PCI
                                                   >> 154         select IRQ_MIPS_CPU
                                                   >> 155         select MACH_GENERIC_CORE
                                                   >> 156         select MIPS_AUTO_PFN_OFFSET
                                                   >> 157         select MIPS_CPU_SCACHE
                                                   >> 158         select MIPS_GIC
                                                   >> 159         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 160         select NO_EXCEPT_FILL
                                                   >> 161         select PCI_DRIVERS_GENERIC
                                                   >> 162         select SMP_UP if SMP
                                                   >> 163         select SWAP_IO_SPACE
                                                   >> 164         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 165         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 166         select SYS_HAS_CPU_MIPS32_R5
                                                   >> 167         select SYS_HAS_CPU_MIPS32_R6
                                                   >> 168         select SYS_HAS_CPU_MIPS64_R1
                                                   >> 169         select SYS_HAS_CPU_MIPS64_R2
                                                   >> 170         select SYS_HAS_CPU_MIPS64_R5
                                                   >> 171         select SYS_HAS_CPU_MIPS64_R6
                                                   >> 172         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 173         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 174         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 175         select SYS_SUPPORTS_HIGHMEM
                                                   >> 176         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 177         select SYS_SUPPORTS_MICROMIPS
                                                   >> 178         select SYS_SUPPORTS_MIPS16
                                                   >> 179         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 180         select SYS_SUPPORTS_MULTITHREADING
                                                   >> 181         select SYS_SUPPORTS_RELOCATABLE
                                                   >> 182         select SYS_SUPPORTS_SMARTMIPS
                                                   >> 183         select SYS_SUPPORTS_ZBOOT
                                                   >> 184         select UHI_BOOT
                                                   >> 185         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 186         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 187         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 188         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 189         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 190         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 191         select USE_OF
                                                   >> 192         help
                                                   >> 193           Select this to build a kernel which aims to support multiple boards,
                                                   >> 194           generally using a flattened device tree passed from the bootloader
                                                   >> 195           using the boot protocol defined in the UHI (Unified Hosting
                                                   >> 196           Interface) specification.
                                                   >> 197 
                                                   >> 198 config MIPS_ALCHEMY
                                                   >> 199         bool "Alchemy processor based machines"
                                                   >> 200         select PHYS_ADDR_T_64BIT
                                                   >> 201         select CEVT_R4K
                                                   >> 202         select CSRC_R4K
                                                   >> 203         select IRQ_MIPS_CPU
                                                   >> 204         select DMA_NONCOHERENT          # Au1000,1500,1100 aren't, rest is
                                                   >> 205         select MIPS_FIXUP_BIGPHYS_ADDR if PCI
                                                   >> 206         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 207         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 208         select SYS_SUPPORTS_APM_EMULATION
                                                   >> 209         select GPIOLIB
                                                   >> 210         select SYS_SUPPORTS_ZBOOT
                                                   >> 211         select COMMON_CLK
                                                   >> 212 
                                                   >> 213 config ATH25
                                                   >> 214         bool "Atheros AR231x/AR531x SoC support"
                                                   >> 215         select CEVT_R4K
                                                   >> 216         select CSRC_R4K
                                                   >> 217         select DMA_NONCOHERENT
                                                   >> 218         select IRQ_MIPS_CPU
                                                   >> 219         select IRQ_DOMAIN
                                                   >> 220         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 221         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 222         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 223         select SYS_HAS_EARLY_PRINTK
                                                   >> 224         help
                                                   >> 225           Support for Atheros AR231x and Atheros AR531x based boards
                                                   >> 226 
                                                   >> 227 config ATH79
                                                   >> 228         bool "Atheros AR71XX/AR724X/AR913X based boards"
                                                   >> 229         select ARCH_HAS_RESET_CONTROLLER
                                                   >> 230         select BOOT_RAW
                                                   >> 231         select CEVT_R4K
                                                   >> 232         select CSRC_R4K
                                                   >> 233         select DMA_NONCOHERENT
                                                   >> 234         select GPIOLIB
                                                   >> 235         select PINCTRL
                                                   >> 236         select COMMON_CLK
                                                   >> 237         select IRQ_MIPS_CPU
                                                   >> 238         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 239         select SYS_HAS_EARLY_PRINTK
                                                   >> 240         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 241         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 242         select SYS_SUPPORTS_MIPS16
                                                   >> 243         select SYS_SUPPORTS_ZBOOT_UART_PROM
                                                   >> 244         select USE_OF
                                                   >> 245         select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
                                                   >> 246         help
                                                   >> 247           Support for the Atheros AR71XX/AR724X/AR913X SoCs.
                                                   >> 248 
                                                   >> 249 config BMIPS_GENERIC
                                                   >> 250         bool "Broadcom Generic BMIPS kernel"
                                                   >> 251         select ARCH_HAS_RESET_CONTROLLER
                                                   >> 252         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
                                                   >> 253         select BOOT_RAW
                                                   >> 254         select NO_EXCEPT_FILL
                                                   >> 255         select USE_OF
                                                   >> 256         select CEVT_R4K
                                                   >> 257         select CSRC_R4K
                                                   >> 258         select SYNC_R4K
                                                   >> 259         select COMMON_CLK
                                                   >> 260         select BCM6345_L1_IRQ
                                                   >> 261         select BCM7038_L1_IRQ
                                                   >> 262         select BCM7120_L2_IRQ
                                                   >> 263         select BRCMSTB_L2_IRQ
                                                   >> 264         select IRQ_MIPS_CPU
                                                   >> 265         select DMA_NONCOHERENT
                                                   >> 266         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 267         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 268         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 269         select SYS_SUPPORTS_HIGHMEM
                                                   >> 270         select SYS_HAS_CPU_BMIPS32_3300
                                                   >> 271         select SYS_HAS_CPU_BMIPS4350
                                                   >> 272         select SYS_HAS_CPU_BMIPS4380
                                                   >> 273         select SYS_HAS_CPU_BMIPS5000
                                                   >> 274         select SWAP_IO_SPACE
                                                   >> 275         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 276         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 277         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 278         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 279         select HARDIRQS_SW_RESEND
                                                   >> 280         select HAVE_PCI
                                                   >> 281         select PCI_DRIVERS_GENERIC
                                                   >> 282         select FW_CFE
                                                   >> 283         help
                                                   >> 284           Build a generic DT-based kernel image that boots on select
                                                   >> 285           BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
                                                   >> 286           box chips.  Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
                                                   >> 287           must be set appropriately for your board.
                                                   >> 288 
                                                   >> 289 config BCM47XX
                                                   >> 290         bool "Broadcom BCM47XX based boards"
                                                   >> 291         select BOOT_RAW
                                                   >> 292         select CEVT_R4K
                                                   >> 293         select CSRC_R4K
                                                   >> 294         select DMA_NONCOHERENT
                                                   >> 295         select HAVE_PCI
                                                   >> 296         select IRQ_MIPS_CPU
                                                   >> 297         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 298         select NO_EXCEPT_FILL
                                                   >> 299         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 300         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 301         select SYS_SUPPORTS_MIPS16
                                                   >> 302         select SYS_SUPPORTS_ZBOOT
                                                   >> 303         select SYS_HAS_EARLY_PRINTK
                                                   >> 304         select USE_GENERIC_EARLY_PRINTK_8250
                                                   >> 305         select GPIOLIB
                                                   >> 306         select LEDS_GPIO_REGISTER
                                                   >> 307         select BCM47XX_NVRAM
                                                   >> 308         select BCM47XX_SPROM
                                                   >> 309         select BCM47XX_SSB if !BCM47XX_BCMA
                                                   >> 310         help
                                                   >> 311           Support for BCM47XX based boards
                                                   >> 312 
                                                   >> 313 config BCM63XX
                                                   >> 314         bool "Broadcom BCM63XX based boards"
                                                   >> 315         select BOOT_RAW
                                                   >> 316         select CEVT_R4K
                                                   >> 317         select CSRC_R4K
                                                   >> 318         select SYNC_R4K
                                                   >> 319         select DMA_NONCOHERENT
                                                   >> 320         select IRQ_MIPS_CPU
                                                   >> 321         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 322         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 323         select SYS_HAS_EARLY_PRINTK
                                                   >> 324         select SYS_HAS_CPU_BMIPS32_3300
                                                   >> 325         select SYS_HAS_CPU_BMIPS4350
                                                   >> 326         select SYS_HAS_CPU_BMIPS4380
                                                   >> 327         select SWAP_IO_SPACE
                                                   >> 328         select GPIOLIB
                                                   >> 329         select MIPS_L1_CACHE_SHIFT_4
                                                   >> 330         select HAVE_LEGACY_CLK
                                                   >> 331         help
                                                   >> 332           Support for BCM63XX based boards
                                                   >> 333 
                                                   >> 334 config MIPS_COBALT
                                                   >> 335         bool "Cobalt Server"
                                                   >> 336         select CEVT_R4K
                                                   >> 337         select CSRC_R4K
                                                   >> 338         select CEVT_GT641XX
                                                   >> 339         select DMA_NONCOHERENT
                                                   >> 340         select FORCE_PCI
                                                   >> 341         select I8253
                                                   >> 342         select I8259
                                                   >> 343         select IRQ_MIPS_CPU
                                                   >> 344         select IRQ_GT641XX
                                                   >> 345         select PCI_GT64XXX_PCI0
                                                   >> 346         select SYS_HAS_CPU_NEVADA
                                                   >> 347         select SYS_HAS_EARLY_PRINTK
                                                   >> 348         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 349         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 350         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 351         select USE_GENERIC_EARLY_PRINTK_8250
                                                   >> 352 
                                                   >> 353 config MACH_DECSTATION
                                                   >> 354         bool "DECstations"
                                                   >> 355         select BOOT_ELF32
                                                   >> 356         select CEVT_DS1287
                                                   >> 357         select CEVT_R4K if CPU_R4X00
                                                   >> 358         select CSRC_IOASIC
                                                   >> 359         select CSRC_R4K if CPU_R4X00
                                                   >> 360         select CPU_DADDI_WORKAROUNDS if 64BIT
                                                   >> 361         select CPU_R4000_WORKAROUNDS if 64BIT
                                                   >> 362         select CPU_R4400_WORKAROUNDS if 64BIT
                                                   >> 363         select DMA_NONCOHERENT
                                                   >> 364         select NO_IOPORT_MAP
                                                   >> 365         select IRQ_MIPS_CPU
                                                   >> 366         select SYS_HAS_CPU_R3000
                                                   >> 367         select SYS_HAS_CPU_R4X00
                                                   >> 368         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 369         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 370         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 371         select SYS_SUPPORTS_128HZ
                                                   >> 372         select SYS_SUPPORTS_256HZ
                                                   >> 373         select SYS_SUPPORTS_1024HZ
                                                   >> 374         select MIPS_L1_CACHE_SHIFT_4
                                                   >> 375         help
                                                   >> 376           This enables support for DEC's MIPS based workstations.  For details
                                                   >> 377           see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
                                                   >> 378           DECstation porting pages on <http://decstation.unix-ag.org/>.
                                                   >> 379 
                                                   >> 380           If you have one of the following DECstation Models you definitely
                                                   >> 381           want to choose R4xx0 for the CPU Type:
                                                   >> 382 
                                                   >> 383                 DECstation 5000/50
                                                   >> 384                 DECstation 5000/150
                                                   >> 385                 DECstation 5000/260
                                                   >> 386                 DECsystem 5900/260
                                                   >> 387 
                                                   >> 388           otherwise choose R3000.
                                                   >> 389 
                                                   >> 390 config MACH_JAZZ
                                                   >> 391         bool "Jazz family of machines"
                                                   >> 392         select ARC_MEMORY
                                                   >> 393         select ARC_PROMLIB
                                                   >> 394         select ARCH_MIGHT_HAVE_PC_PARPORT
                                                   >> 395         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 396         select DMA_OPS
                                                   >> 397         select FW_ARC
                                                   >> 398         select FW_ARC32
                                                   >> 399         select ARCH_MAY_HAVE_PC_FDC
                                                   >> 400         select CEVT_R4K
                                                   >> 401         select CSRC_R4K
                                                   >> 402         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
                                                   >> 403         select GENERIC_ISA_DMA
                                                   >> 404         select HAVE_PCSPKR_PLATFORM
                                                   >> 405         select IRQ_MIPS_CPU
                                                   >> 406         select I8253
                                                   >> 407         select I8259
                                                   >> 408         select ISA
                                                   >> 409         select SYS_HAS_CPU_R4X00
                                                   >> 410         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 411         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 412         select SYS_SUPPORTS_100HZ
                                                   >> 413         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 414         help
                                                   >> 415           This a family of machines based on the MIPS R4030 chipset which was
                                                   >> 416           used by several vendors to build RISC/os and Windows NT workstations.
                                                   >> 417           Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
                                                   >> 418           Olivetti M700-10 workstations.
                                                   >> 419 
                                                   >> 420 config MACH_INGENIC_SOC
                                                   >> 421         bool "Ingenic SoC based machines"
                                                   >> 422         select MIPS_GENERIC
                                                   >> 423         select MACH_INGENIC
                                                   >> 424         select MACH_GENERIC_CORE
                                                   >> 425         select SYS_SUPPORTS_ZBOOT_UART16550
                                                   >> 426         select CPU_SUPPORTS_CPUFREQ
                                                   >> 427         select MIPS_EXTERNAL_TIMER
                                                   >> 428 
                                                   >> 429 config LANTIQ
                                                   >> 430         bool "Lantiq based platforms"
                                                   >> 431         select DMA_NONCOHERENT
                                                   >> 432         select IRQ_MIPS_CPU
                                                   >> 433         select CEVT_R4K
                                                   >> 434         select CSRC_R4K
                                                   >> 435         select NO_EXCEPT_FILL
                                                   >> 436         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 437         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 438         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 439         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 440         select SYS_SUPPORTS_MIPS16
                                                   >> 441         select SYS_SUPPORTS_MULTITHREADING
                                                   >> 442         select SYS_SUPPORTS_VPE_LOADER
                                                   >> 443         select SYS_HAS_EARLY_PRINTK
                                                   >> 444         select GPIOLIB
                                                   >> 445         select SWAP_IO_SPACE
                                                   >> 446         select BOOT_RAW
                                                   >> 447         select HAVE_LEGACY_CLK
                                                   >> 448         select USE_OF
                                                   >> 449         select PINCTRL
                                                   >> 450         select PINCTRL_LANTIQ
                                                   >> 451         select ARCH_HAS_RESET_CONTROLLER
                                                   >> 452         select RESET_CONTROLLER
                                                   >> 453 
                                                   >> 454 config MACH_LOONGSON32
                                                   >> 455         bool "Loongson 32-bit family of machines"
                                                   >> 456         select SYS_SUPPORTS_ZBOOT
                                                   >> 457         help
                                                   >> 458           This enables support for the Loongson-1 family of machines.
                                                   >> 459 
                                                   >> 460           Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
                                                   >> 461           the Institute of Computing Technology (ICT), Chinese Academy of
                                                   >> 462           Sciences (CAS).
                                                   >> 463 
                                                   >> 464 config MACH_LOONGSON2EF
                                                   >> 465         bool "Loongson-2E/F family of machines"
                                                   >> 466         select SYS_SUPPORTS_ZBOOT
                                                   >> 467         help
                                                   >> 468           This enables the support of early Loongson-2E/F family of machines.
                                                   >> 469 
                                                   >> 470 config MACH_LOONGSON64
                                                   >> 471         bool "Loongson 64-bit family of machines"
                                                   >> 472         select ARCH_DMA_DEFAULT_COHERENT
                                                   >> 473         select ARCH_SPARSEMEM_ENABLE
                                                   >> 474         select ARCH_MIGHT_HAVE_PC_PARPORT
                                                   >> 475         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 476         select GENERIC_ISA_DMA_SUPPORT_BROKEN
                                                   >> 477         select BOOT_ELF32
                                                   >> 478         select BOARD_SCACHE
                                                   >> 479         select CSRC_R4K
                                                   >> 480         select CEVT_R4K
                                                   >> 481         select SYNC_R4K
                                                   >> 482         select FORCE_PCI
                                                   >> 483         select ISA
                                                   >> 484         select I8259
                                                   >> 485         select IRQ_MIPS_CPU
                                                   >> 486         select NO_EXCEPT_FILL
                                                   >> 487         select NR_CPUS_DEFAULT_64
                                                   >> 488         select USE_GENERIC_EARLY_PRINTK_8250
                                                   >> 489         select PCI_DRIVERS_GENERIC
                                                   >> 490         select SYS_HAS_CPU_LOONGSON64
                                                   >> 491         select SYS_HAS_EARLY_PRINTK
                                                   >> 492         select SYS_SUPPORTS_SMP
                                                   >> 493         select SYS_SUPPORTS_HOTPLUG_CPU
                                                   >> 494         select SYS_SUPPORTS_NUMA
                                                   >> 495         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 496         select SYS_SUPPORTS_HIGHMEM
                                                   >> 497         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 498         select SYS_SUPPORTS_ZBOOT
                                                   >> 499         select SYS_SUPPORTS_RELOCATABLE
                                                   >> 500         select ZONE_DMA32
                                                   >> 501         select COMMON_CLK
                                                   >> 502         select USE_OF
                                                   >> 503         select BUILTIN_DTB
                                                   >> 504         select PCI_HOST_GENERIC
                                                   >> 505         select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
                                                   >> 506         help
                                                   >> 507           This enables the support of Loongson-2/3 family of machines.
                                                   >> 508 
                                                   >> 509           Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
                                                   >> 510           GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
                                                   >> 511           and Loongson-2F which will be removed), developed by the Institute
                                                   >> 512           of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
                                                   >> 513 
                                                   >> 514 config MIPS_MALTA
                                                   >> 515         bool "MIPS Malta board"
                                                   >> 516         select ARCH_MAY_HAVE_PC_FDC
                                                   >> 517         select ARCH_MIGHT_HAVE_PC_PARPORT
                                                   >> 518         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 519         select BOOT_ELF32
                                                   >> 520         select BOOT_RAW
                                                   >> 521         select BUILTIN_DTB
                                                   >> 522         select CEVT_R4K
                                                   >> 523         select CLKSRC_MIPS_GIC
                                                   >> 524         select COMMON_CLK
                                                   >> 525         select CSRC_R4K
                                                   >> 526         select DMA_NONCOHERENT
                                                   >> 527         select GENERIC_ISA_DMA
                                                   >> 528         select HAVE_PCSPKR_PLATFORM
                                                   >> 529         select HAVE_PCI
                                                   >> 530         select I8253
                                                   >> 531         select I8259
                                                   >> 532         select IRQ_MIPS_CPU
                                                   >> 533         select MIPS_BONITO64
                                                   >> 534         select MIPS_CPU_SCACHE
                                                   >> 535         select MIPS_GIC
                                                   >> 536         select MIPS_L1_CACHE_SHIFT_6
                                                   >> 537         select MIPS_MSC
                                                   >> 538         select PCI_GT64XXX_PCI0
                                                   >> 539         select SMP_UP if SMP
                                                   >> 540         select SWAP_IO_SPACE
                                                   >> 541         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 542         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 543         select SYS_HAS_CPU_MIPS32_R3_5
                                                   >> 544         select SYS_HAS_CPU_MIPS32_R5
                                                   >> 545         select SYS_HAS_CPU_MIPS32_R6
                                                   >> 546         select SYS_HAS_CPU_MIPS64_R1
                                                   >> 547         select SYS_HAS_CPU_MIPS64_R2
                                                   >> 548         select SYS_HAS_CPU_MIPS64_R6
                                                   >> 549         select SYS_HAS_CPU_NEVADA
                                                   >> 550         select SYS_HAS_CPU_RM7000
                                                   >> 551         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 552         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 553         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 554         select SYS_SUPPORTS_HIGHMEM
                                                   >> 555         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 556         select SYS_SUPPORTS_MICROMIPS
                                                   >> 557         select SYS_SUPPORTS_MIPS16
                                                   >> 558         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 559         select SYS_SUPPORTS_MULTITHREADING
                                                   >> 560         select SYS_SUPPORTS_RELOCATABLE
                                                   >> 561         select SYS_SUPPORTS_SMARTMIPS
                                                   >> 562         select SYS_SUPPORTS_VPE_LOADER
                                                   >> 563         select SYS_SUPPORTS_ZBOOT
                                                   >> 564         select USE_OF
                                                   >> 565         select WAR_ICACHE_REFILLS
                                                   >> 566         select ZONE_DMA32 if 64BIT
                                                   >> 567         help
                                                   >> 568           This enables support for the MIPS Technologies Malta evaluation
                                                   >> 569           board.
                                                   >> 570 
                                                   >> 571 config MACH_PIC32
                                                   >> 572         bool "Microchip PIC32 Family"
                                                   >> 573         help
                                                   >> 574           This enables support for the Microchip PIC32 family of platforms.
                                                   >> 575 
                                                   >> 576           Microchip PIC32 is a family of general-purpose 32 bit MIPS core
                                                   >> 577           microcontrollers.
                                                   >> 578 
                                                   >> 579 config EYEQ
                                                   >> 580         bool "Mobileye EyeQ SoC"
                                                   >> 581         select MACH_GENERIC_CORE
                                                   >> 582         select ARM_AMBA
                                                   >> 583         select PHYSICAL_START_BOOL
                                                   >> 584         select ARCH_SPARSEMEM_DEFAULT if 64BIT
                                                   >> 585         select BOOT_RAW
                                                   >> 586         select BUILTIN_DTB
                                                   >> 587         select CEVT_R4K
                                                   >> 588         select CLKSRC_MIPS_GIC
                                                   >> 589         select COMMON_CLK
                                                   >> 590         select CPU_MIPSR2_IRQ_EI
                                                   >> 591         select CPU_MIPSR2_IRQ_VI
                                                   >> 592         select CSRC_R4K
                                                   >> 593         select DMA_NONCOHERENT
                                                   >> 594         select HAVE_PCI
                                                   >> 595         select IRQ_MIPS_CPU
                                                   >> 596         select MIPS_AUTO_PFN_OFFSET
                                                   >> 597         select MIPS_CPU_SCACHE
                                                   >> 598         select MIPS_GIC
                                                   >> 599         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 600         select PCI_DRIVERS_GENERIC
                                                   >> 601         select SMP_UP if SMP
                                                   >> 602         select SWAP_IO_SPACE
                                                   >> 603         select SYS_HAS_CPU_MIPS64_R6
                                                   >> 604         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 605         select SYS_SUPPORTS_HIGHMEM
                                                   >> 606         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 607         select SYS_SUPPORTS_MIPS_CPS
                                                   >> 608         select SYS_SUPPORTS_RELOCATABLE
                                                   >> 609         select SYS_SUPPORTS_ZBOOT
                                                   >> 610         select UHI_BOOT
                                                   >> 611         select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 612         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 613         select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 614         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 615         select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
                                                   >> 616         select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 617         select USE_OF
                                                   >> 618         help
                                                   >> 619           Select this to build a kernel supporting EyeQ SoC from Mobileye.
                                                   >> 620 
                                                   >> 621         bool
                                                   >> 622 
                                                   >> 623 config MACH_NINTENDO64
                                                   >> 624         bool "Nintendo 64 console"
                                                   >> 625         select CEVT_R4K
                                                   >> 626         select CSRC_R4K
                                                   >> 627         select SYS_HAS_CPU_R4300
                                                   >> 628         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 629         select SYS_SUPPORTS_ZBOOT
                                                   >> 630         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 631         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 632         select DMA_NONCOHERENT
                                                   >> 633         select IRQ_MIPS_CPU
                                                   >> 634 
                                                   >> 635 config RALINK
                                                   >> 636         bool "Ralink based machines"
                                                   >> 637         select CEVT_R4K
                                                   >> 638         select COMMON_CLK
                                                   >> 639         select CSRC_R4K
                                                   >> 640         select BOOT_RAW
                                                   >> 641         select DMA_NONCOHERENT
                                                   >> 642         select IRQ_MIPS_CPU
                                                   >> 643         select USE_OF
                                                   >> 644         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 645         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 646         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 647         select SYS_SUPPORTS_MIPS16
                                                   >> 648         select SYS_SUPPORTS_ZBOOT
                                                   >> 649         select SYS_HAS_EARLY_PRINTK
                                                   >> 650         select ARCH_HAS_RESET_CONTROLLER
                                                   >> 651         select RESET_CONTROLLER
                                                   >> 652 
                                                   >> 653 config MACH_REALTEK_RTL
                                                   >> 654         bool "Realtek RTL838x/RTL839x based machines"
                                                   >> 655         select MIPS_GENERIC
                                                   >> 656         select MACH_GENERIC_CORE
                                                   >> 657         select DMA_NONCOHERENT
                                                   >> 658         select IRQ_MIPS_CPU
                                                   >> 659         select CSRC_R4K
                                                   >> 660         select CEVT_R4K
                                                   >> 661         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 662         select SYS_HAS_CPU_MIPS32_R2
                                                   >> 663         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 664         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 665         select SYS_SUPPORTS_MIPS16
                                                   >> 666         select SYS_SUPPORTS_MULTITHREADING
                                                   >> 667         select SYS_SUPPORTS_VPE_LOADER
                                                   >> 668         select BOOT_RAW
                                                   >> 669         select PINCTRL
                                                   >> 670         select USE_OF
                                                   >> 671         select REALTEK_OTTO_TIMER
                                                   >> 672 
                                                   >> 673 config SGI_IP22
                                                   >> 674         bool "SGI IP22 (Indy/Indigo2)"
                                                   >> 675         select ARC_MEMORY
                                                   >> 676         select ARC_PROMLIB
                                                   >> 677         select FW_ARC
                                                   >> 678         select FW_ARC32
                                                   >> 679         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 680         select BOOT_ELF32
                                                   >> 681         select CEVT_R4K
                                                   >> 682         select CSRC_R4K
                                                   >> 683         select DEFAULT_SGI_PARTITION
                                                   >> 684         select DMA_NONCOHERENT
                                                   >> 685         select HAVE_EISA
                                                   >> 686         select I8253
                                                   >> 687         select I8259
                                                   >> 688         select IP22_CPU_SCACHE
                                                   >> 689         select IRQ_MIPS_CPU
                                                   >> 690         select GENERIC_ISA_DMA_SUPPORT_BROKEN
                                                   >> 691         select SGI_HAS_I8042
                                                   >> 692         select SGI_HAS_INDYDOG
                                                   >> 693         select SGI_HAS_HAL2
                                                   >> 694         select SGI_HAS_SEEQ
                                                   >> 695         select SGI_HAS_WD93
                                                   >> 696         select SGI_HAS_ZILOG
                                                   >> 697         select SWAP_IO_SPACE
                                                   >> 698         select SYS_HAS_CPU_R4X00
                                                   >> 699         select SYS_HAS_CPU_R5000
                                                   >> 700         select SYS_HAS_EARLY_PRINTK
                                                   >> 701         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 702         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 703         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 704         select WAR_R4600_V1_INDEX_ICACHEOP
                                                   >> 705         select WAR_R4600_V1_HIT_CACHEOP
                                                   >> 706         select WAR_R4600_V2_HIT_CACHEOP
                                                   >> 707         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 708         help
                                                   >> 709           This are the SGI Indy, Challenge S and Indigo2, as well as certain
                                                   >> 710           OEM variants like the Tandem CMN B006S. To compile a Linux kernel
                                                   >> 711           that runs on these, say Y here.
                                                   >> 712 
                                                   >> 713 config SGI_IP27
                                                   >> 714         bool "SGI IP27 (Origin200/2000)"
                                                   >> 715         select ARCH_HAS_PHYS_TO_DMA
                                                   >> 716         select ARCH_SPARSEMEM_ENABLE
                                                   >> 717         select FW_ARC
                                                   >> 718         select FW_ARC64
                                                   >> 719         select ARC_CMDLINE_ONLY
                                                   >> 720         select BOOT_ELF64
                                                   >> 721         select DEFAULT_SGI_PARTITION
                                                   >> 722         select FORCE_PCI
                                                   >> 723         select SYS_HAS_EARLY_PRINTK
                                                   >> 724         select HAVE_PCI
                                                   >> 725         select IRQ_MIPS_CPU
                                                   >> 726         select IRQ_DOMAIN_HIERARCHY
                                                   >> 727         select NR_CPUS_DEFAULT_64
                                                   >> 728         select PCI_DRIVERS_GENERIC
                                                   >> 729         select PCI_XTALK_BRIDGE
                                                   >> 730         select SYS_HAS_CPU_R10000
                                                   >> 731         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 732         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 733         select SYS_SUPPORTS_NUMA
                                                   >> 734         select SYS_SUPPORTS_SMP
                                                   >> 735         select WAR_R10000_LLSC
                                                   >> 736         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 737         select NUMA
                                                   >> 738         select HAVE_ARCH_NODEDATA_EXTENSION
                                                   >> 739         help
                                                   >> 740           This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
                                                   >> 741           workstations.  To compile a Linux kernel that runs on these, say Y
                                                   >> 742           here.
                                                   >> 743 
                                                   >> 744 config SGI_IP28
                                                   >> 745         bool "SGI IP28 (Indigo2 R10k)"
                                                   >> 746         select ARC_MEMORY
                                                   >> 747         select ARC_PROMLIB
                                                   >> 748         select FW_ARC
                                                   >> 749         select FW_ARC64
                                                   >> 750         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 751         select BOOT_ELF64
                                                   >> 752         select CEVT_R4K
                                                   >> 753         select CSRC_R4K
                                                   >> 754         select DEFAULT_SGI_PARTITION
                                                   >> 755         select DMA_NONCOHERENT
                                                   >> 756         select GENERIC_ISA_DMA_SUPPORT_BROKEN
                                                   >> 757         select IRQ_MIPS_CPU
                                                   >> 758         select HAVE_EISA
                                                   >> 759         select I8253
                                                   >> 760         select I8259
                                                   >> 761         select SGI_HAS_I8042
                                                   >> 762         select SGI_HAS_INDYDOG
                                                   >> 763         select SGI_HAS_HAL2
                                                   >> 764         select SGI_HAS_SEEQ
                                                   >> 765         select SGI_HAS_WD93
                                                   >> 766         select SGI_HAS_ZILOG
                                                   >> 767         select SWAP_IO_SPACE
                                                   >> 768         select SYS_HAS_CPU_R10000
                                                   >> 769         select SYS_HAS_EARLY_PRINTK
                                                   >> 770         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 771         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 772         select WAR_R10000_LLSC
                                                   >> 773         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 774         help
                                                   >> 775           This is the SGI Indigo2 with R10000 processor.  To compile a Linux
                                                   >> 776           kernel that runs on these, say Y here.
                                                   >> 777 
                                                   >> 778 config SGI_IP30
                                                   >> 779         bool "SGI IP30 (Octane/Octane2)"
                                                   >> 780         select ARCH_HAS_PHYS_TO_DMA
                                                   >> 781         select FW_ARC
                                                   >> 782         select FW_ARC64
                                                   >> 783         select BOOT_ELF64
                                                   >> 784         select CEVT_R4K
                                                   >> 785         select CSRC_R4K
                                                   >> 786         select FORCE_PCI
                                                   >> 787         select SYNC_R4K if SMP
                                                   >> 788         select ZONE_DMA32
                                                   >> 789         select HAVE_PCI
                                                   >> 790         select IRQ_MIPS_CPU
                                                   >> 791         select IRQ_DOMAIN_HIERARCHY
                                                   >> 792         select PCI_DRIVERS_GENERIC
                                                   >> 793         select PCI_XTALK_BRIDGE
                                                   >> 794         select SYS_HAS_EARLY_PRINTK
                                                   >> 795         select SYS_HAS_CPU_R10000
                                                   >> 796         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 797         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 798         select SYS_SUPPORTS_SMP
                                                   >> 799         select WAR_R10000_LLSC
                                                   >> 800         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 801         select ARC_MEMORY
                                                   >> 802         help
                                                   >> 803           These are the SGI Octane and Octane2 graphics workstations.  To
                                                   >> 804           compile a Linux kernel that runs on these, say Y here.
                                                   >> 805 
                                                   >> 806 config SGI_IP32
                                                   >> 807         bool "SGI IP32 (O2)"
                                                   >> 808         select ARC_MEMORY
                                                   >> 809         select ARC_PROMLIB
                                                   >> 810         select ARCH_HAS_PHYS_TO_DMA
                                                   >> 811         select FW_ARC
                                                   >> 812         select FW_ARC32
                                                   >> 813         select BOOT_ELF32
                                                   >> 814         select CEVT_R4K
                                                   >> 815         select CSRC_R4K
                                                   >> 816         select DMA_NONCOHERENT
                                                   >> 817         select HAVE_PCI
                                                   >> 818         select IRQ_MIPS_CPU
                                                   >> 819         select R5000_CPU_SCACHE
                                                   >> 820         select RM7000_CPU_SCACHE
                                                   >> 821         select SYS_HAS_CPU_R5000
                                                   >> 822         select SYS_HAS_CPU_R10000 if BROKEN
                                                   >> 823         select SYS_HAS_CPU_RM7000
                                                   >> 824         select SYS_HAS_CPU_NEVADA
                                                   >> 825         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 826         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 827         select WAR_ICACHE_REFILLS
                                                   >> 828         help
                                                   >> 829           If you want this kernel to run on SGI O2 workstation, say Y here.
                                                   >> 830 
                                                   >> 831 config SIBYTE_CRHONE
                                                   >> 832         bool "Sibyte BCM91125C-CRhone"
                                                   >> 833         select BOOT_ELF32
                                                   >> 834         select SIBYTE_BCM1125
                                                   >> 835         select SWAP_IO_SPACE
                                                   >> 836         select SYS_HAS_CPU_SB1
                                                   >> 837         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 838         select SYS_SUPPORTS_HIGHMEM
                                                   >> 839         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 840 
                                                   >> 841 config SIBYTE_RHONE
                                                   >> 842         bool "Sibyte BCM91125E-Rhone"
                                                   >> 843         select BOOT_ELF32
                                                   >> 844         select SIBYTE_SB1250
                                                   >> 845         select SWAP_IO_SPACE
                                                   >> 846         select SYS_HAS_CPU_SB1
                                                   >> 847         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 848         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 849 
                                                   >> 850 config SIBYTE_SWARM
                                                   >> 851         bool "Sibyte BCM91250A-SWARM"
                                                   >> 852         select BOOT_ELF32
                                                   >> 853         select HAVE_PATA_PLATFORM
                                                   >> 854         select SIBYTE_SB1250
                                                   >> 855         select SWAP_IO_SPACE
                                                   >> 856         select SYS_HAS_CPU_SB1
                                                   >> 857         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 858         select SYS_SUPPORTS_HIGHMEM
                                                   >> 859         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 860         select ZONE_DMA32 if 64BIT
                                                   >> 861         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
                                                   >> 862 
                                                   >> 863 config SIBYTE_LITTLESUR
                                                   >> 864         bool "Sibyte BCM91250C2-LittleSur"
                                                   >> 865         select BOOT_ELF32
                                                   >> 866         select HAVE_PATA_PLATFORM
                                                   >> 867         select SIBYTE_SB1250
                                                   >> 868         select SWAP_IO_SPACE
                                                   >> 869         select SYS_HAS_CPU_SB1
                                                   >> 870         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 871         select SYS_SUPPORTS_HIGHMEM
                                                   >> 872         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 873         select ZONE_DMA32 if 64BIT
                                                   >> 874 
                                                   >> 875 config SIBYTE_SENTOSA
                                                   >> 876         bool "Sibyte BCM91250E-Sentosa"
                                                   >> 877         select BOOT_ELF32
                                                   >> 878         select SIBYTE_SB1250
                                                   >> 879         select SWAP_IO_SPACE
                                                   >> 880         select SYS_HAS_CPU_SB1
                                                   >> 881         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 882         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 883         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
                                                   >> 884 
                                                   >> 885 config SIBYTE_BIGSUR
                                                   >> 886         bool "Sibyte BCM91480B-BigSur"
                                                   >> 887         select BOOT_ELF32
                                                   >> 888         select NR_CPUS_DEFAULT_4
                                                   >> 889         select SIBYTE_BCM1x80
                                                   >> 890         select SWAP_IO_SPACE
                                                   >> 891         select SYS_HAS_CPU_SB1
                                                   >> 892         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 893         select SYS_SUPPORTS_HIGHMEM
                                                   >> 894         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 895         select ZONE_DMA32 if 64BIT
                                                   >> 896         select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
                                                   >> 897 
                                                   >> 898 config SNI_RM
                                                   >> 899         bool "SNI RM200/300/400"
                                                   >> 900         select ARC_MEMORY
                                                   >> 901         select ARC_PROMLIB
                                                   >> 902         select FW_ARC if CPU_LITTLE_ENDIAN
                                                   >> 903         select FW_ARC32 if CPU_LITTLE_ENDIAN
                                                   >> 904         select FW_SNIPROM if CPU_BIG_ENDIAN
                                                   >> 905         select ARCH_MAY_HAVE_PC_FDC
                                                   >> 906         select ARCH_MIGHT_HAVE_PC_PARPORT
                                                   >> 907         select ARCH_MIGHT_HAVE_PC_SERIO
                                                   >> 908         select BOOT_ELF32
                                                   >> 909         select CEVT_R4K
                                                   >> 910         select CSRC_R4K
                                                   >> 911         select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
                                                   >> 912         select DMA_NONCOHERENT
                                                   >> 913         select GENERIC_ISA_DMA
                                                   >> 914         select HAVE_EISA
                                                   >> 915         select HAVE_PCSPKR_PLATFORM
                                                   >> 916         select HAVE_PCI
                                                   >> 917         select IRQ_MIPS_CPU
                                                   >> 918         select I8253
                                                   >> 919         select I8259
                                                   >> 920         select ISA
                                                   >> 921         select MIPS_L1_CACHE_SHIFT_6
                                                   >> 922         select SWAP_IO_SPACE if CPU_BIG_ENDIAN
                                                   >> 923         select SYS_HAS_CPU_R4X00
                                                   >> 924         select SYS_HAS_CPU_R5000
                                                   >> 925         select SYS_HAS_CPU_R10000
                                                   >> 926         select R5000_CPU_SCACHE
                                                   >> 927         select SYS_HAS_EARLY_PRINTK
                                                   >> 928         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 929         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 930         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 931         select SYS_SUPPORTS_HIGHMEM
                                                   >> 932         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 933         select WAR_R4600_V2_HIT_CACHEOP
                                                   >> 934         help
                                                   >> 935           The SNI RM200/300/400 are MIPS-based machines manufactured by
                                                   >> 936           Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
                                                   >> 937           Technology and now in turn merged with Fujitsu.  Say Y here to
                                                   >> 938           support this machine type.
                                                   >> 939 
                                                   >> 940 config MACH_TX49XX
                                                   >> 941         bool "Toshiba TX49 series based machines"
                                                   >> 942         select WAR_TX49XX_ICACHE_INDEX_INV
                                                   >> 943 
                                                   >> 944 config MIKROTIK_RB532
                                                   >> 945         bool "Mikrotik RB532 boards"
                                                   >> 946         select CEVT_R4K
                                                   >> 947         select CSRC_R4K
                                                   >> 948         select DMA_NONCOHERENT
                                                   >> 949         select HAVE_PCI
                                                   >> 950         select IRQ_MIPS_CPU
                                                   >> 951         select SYS_HAS_CPU_MIPS32_R1
                                                   >> 952         select SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 953         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 954         select SWAP_IO_SPACE
                                                   >> 955         select BOOT_RAW
                                                   >> 956         select GPIOLIB
                                                   >> 957         select MIPS_L1_CACHE_SHIFT_4
                                                   >> 958         help
                                                   >> 959           Support the Mikrotik(tm) RouterBoard 532 series,
                                                   >> 960           based on the IDT RC32434 SoC.
                                                   >> 961 
                                                   >> 962 config CAVIUM_OCTEON_SOC
                                                   >> 963         bool "Cavium Networks Octeon SoC based boards"
                                                   >> 964         select CEVT_R4K
                                                   >> 965         select ARCH_HAS_PHYS_TO_DMA
                                                   >> 966         select HAVE_RAPIDIO
                                                   >> 967         select PHYS_ADDR_T_64BIT
                                                   >> 968         select SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 969         select SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 970         select EDAC_SUPPORT
                                                   >> 971         select EDAC_ATOMIC_SCRUB
                                                   >> 972         select SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 973         select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
                                                   >> 974         select SYS_HAS_EARLY_PRINTK
                                                   >> 975         select SYS_HAS_CPU_CAVIUM_OCTEON
                                                   >> 976         select HAVE_PCI
                                                   >> 977         select HAVE_PLAT_DELAY
                                                   >> 978         select HAVE_PLAT_FW_INIT_CMDLINE
                                                   >> 979         select HAVE_PLAT_MEMCPY
                                                   >> 980         select ZONE_DMA32
                                                   >> 981         select GPIOLIB
                                                   >> 982         select USE_OF
                                                   >> 983         select ARCH_SPARSEMEM_ENABLE
                                                   >> 984         select SYS_SUPPORTS_SMP
                                                   >> 985         select NR_CPUS_DEFAULT_64
                                                   >> 986         select MIPS_NR_CPU_NR_MAP_1024
                                                   >> 987         select BUILTIN_DTB
                                                   >> 988         select MTD
                                                   >> 989         select MTD_COMPLEX_MAPPINGS
                                                   >> 990         select SWIOTLB
                                                   >> 991         select SYS_SUPPORTS_RELOCATABLE
                                                   >> 992         help
                                                   >> 993           This option supports all of the Octeon reference boards from Cavium
                                                   >> 994           Networks. It builds a kernel that dynamically determines the Octeon
                                                   >> 995           CPU type and supports all known board reference implementations.
                                                   >> 996           Some of the supported boards are:
                                                   >> 997                 EBT3000
                                                   >> 998                 EBH3000
                                                   >> 999                 EBH3100
                                                   >> 1000                 Thunder
                                                   >> 1001                 Kodama
                                                   >> 1002                 Hikari
                                                   >> 1003           Say Y here for most Octeon reference boards.
                                                   >> 1004 
                                                   >> 1005 endchoice
                                                   >> 1006 
                                                   >> 1007 config FIT_IMAGE_FDT_EPM5
                                                   >> 1008         bool "Include FDT for Mobileye EyeQ5 development platforms"
                                                   >> 1009         depends on MACH_EYEQ5
                                                   >> 1010         default n
                                                   >> 1011         help
                                                   >> 1012           Enable this to include the FDT for the EyeQ5 development platforms
                                                   >> 1013           from Mobileye in the FIT kernel image.
                                                   >> 1014           This requires u-boot on the platform.
                                                   >> 1015 
                                                   >> 1016 source "arch/mips/alchemy/Kconfig"
                                                   >> 1017 source "arch/mips/ath25/Kconfig"
                                                   >> 1018 source "arch/mips/ath79/Kconfig"
                                                   >> 1019 source "arch/mips/bcm47xx/Kconfig"
                                                   >> 1020 source "arch/mips/bcm63xx/Kconfig"
                                                   >> 1021 source "arch/mips/bmips/Kconfig"
                                                   >> 1022 source "arch/mips/generic/Kconfig"
                                                   >> 1023 source "arch/mips/ingenic/Kconfig"
                                                   >> 1024 source "arch/mips/jazz/Kconfig"
                                                   >> 1025 source "arch/mips/lantiq/Kconfig"
                                                   >> 1026 source "arch/mips/mobileye/Kconfig"
                                                   >> 1027 source "arch/mips/pic32/Kconfig"
                                                   >> 1028 source "arch/mips/ralink/Kconfig"
                                                   >> 1029 source "arch/mips/sgi-ip27/Kconfig"
                                                   >> 1030 source "arch/mips/sibyte/Kconfig"
                                                   >> 1031 source "arch/mips/txx9/Kconfig"
                                                   >> 1032 source "arch/mips/cavium-octeon/Kconfig"
                                                   >> 1033 source "arch/mips/loongson2ef/Kconfig"
                                                   >> 1034 source "arch/mips/loongson32/Kconfig"
                                                   >> 1035 source "arch/mips/loongson64/Kconfig"
                                                   >> 1036 
                                                   >> 1037 endmenu
130                                                   1038 
131 config AUDIT_ARCH                              !! 1039 config GENERIC_HWEIGHT
132         bool                                      1040         bool
133         default y                                 1041         default y
134                                                   1042 
135 config MMU                                     !! 1043 config GENERIC_CALIBRATE_DELAY
136         bool                                      1044         bool
137         default y                                 1045         default y
138                                                   1046 
139 config HIGHMEM                                 !! 1047 config SCHED_OMIT_FRAME_POINTER
140         bool                                      1048         bool
141         default y if SPARC32                   !! 1049         default y
142         select KMAP_LOCAL                      << 
143                                                   1050 
144 config PGTABLE_LEVELS                          !! 1051 #
145         default 4 if 64BIT                     !! 1052 # Select some configuration options automatically based on user selections.
146         default 3                              !! 1053 #
                                                   >> 1054 config FW_ARC
                                                   >> 1055         bool
                                                   >> 1056 
                                                   >> 1057 config ARCH_MAY_HAVE_PC_FDC
                                                   >> 1058         bool
                                                   >> 1059 
                                                   >> 1060 config BOOT_RAW
                                                   >> 1061         bool
                                                   >> 1062 
                                                   >> 1063 config CEVT_BCM1480
                                                   >> 1064         bool
                                                   >> 1065 
                                                   >> 1066 config CEVT_DS1287
                                                   >> 1067         bool
                                                   >> 1068 
                                                   >> 1069 config CEVT_GT641XX
                                                   >> 1070         bool
                                                   >> 1071 
                                                   >> 1072 config CEVT_R4K
                                                   >> 1073         bool
                                                   >> 1074 
                                                   >> 1075 config CEVT_SB1250
                                                   >> 1076         bool
                                                   >> 1077 
                                                   >> 1078 config CEVT_TXX9
                                                   >> 1079         bool
                                                   >> 1080 
                                                   >> 1081 config CSRC_BCM1480
                                                   >> 1082         bool
                                                   >> 1083 
                                                   >> 1084 config CSRC_IOASIC
                                                   >> 1085         bool
                                                   >> 1086 
                                                   >> 1087 config CSRC_R4K
                                                   >> 1088         select CLOCKSOURCE_WATCHDOG if CPU_FREQ
                                                   >> 1089         select HAVE_UNSTABLE_SCHED_CLOCK if SMP && 64BIT
                                                   >> 1090         bool
                                                   >> 1091 
                                                   >> 1092 config CSRC_SB1250
                                                   >> 1093         bool
                                                   >> 1094 
                                                   >> 1095 config MIPS_CLOCK_VSYSCALL
                                                   >> 1096         def_bool CSRC_R4K || CLKSRC_MIPS_GIC
                                                   >> 1097 
                                                   >> 1098 config GPIO_TXX9
                                                   >> 1099         select GPIOLIB
                                                   >> 1100         bool
                                                   >> 1101 
                                                   >> 1102 config FW_CFE
                                                   >> 1103         bool
147                                                   1104 
148 config ARCH_SUPPORTS_UPROBES                      1105 config ARCH_SUPPORTS_UPROBES
149         def_bool y if SPARC64                  !! 1106         def_bool y
150                                                   1107 
151 menu "Processor type and features"             !! 1108 config DMA_NONCOHERENT
                                                   >> 1109         bool
                                                   >> 1110         #
                                                   >> 1111         # MIPS allows mixing "slightly different" Cacheability and Coherency
                                                   >> 1112         # Attribute bits.  It is believed that the uncached access through
                                                   >> 1113         # KSEG1 and the implementation specific "uncached accelerated" used
                                                   >> 1114         # by pgprot_writcombine can be mixed, and the latter sometimes provides
                                                   >> 1115         # significant advantages.
                                                   >> 1116         #
                                                   >> 1117         select ARCH_HAS_SETUP_DMA_OPS
                                                   >> 1118         select ARCH_HAS_DMA_WRITE_COMBINE
                                                   >> 1119         select ARCH_HAS_DMA_PREP_COHERENT
                                                   >> 1120         select ARCH_HAS_SYNC_DMA_FOR_CPU
                                                   >> 1121         select ARCH_HAS_SYNC_DMA_FOR_DEVICE
                                                   >> 1122         select ARCH_HAS_DMA_SET_UNCACHED
                                                   >> 1123         select DMA_NONCOHERENT_MMAP
                                                   >> 1124         select NEED_DMA_MAP_STATE
152                                                   1125 
153 config SMP                                     !! 1126 config SYS_HAS_EARLY_PRINTK
154         bool "Symmetric multi-processing suppo !! 1127         bool
155         help                                   << 
156           This enables support for systems wit << 
157           a system with only one CPU, say N. I << 
158           than one CPU, say Y.                 << 
159                                                   1128 
160           If you say N here, the kernel will r !! 1129 config SYS_SUPPORTS_HOTPLUG_CPU
161           machines, but will use only one CPU  !! 1130         bool
162           you say Y here, the kernel will run  << 
163           uniprocessor machines. On a uniproce << 
164           will run faster if you say N here.   << 
165                                                   1131 
166           People using multiprocessor machines !! 1132 config MIPS_BONITO64
167           Y to "Enhanced Real Time Clock Suppo !! 1133         bool
168           Management" code will be disabled if << 
169                                                   1134 
170           See also <file:Documentation/admin-g !! 1135 config MIPS_MSC
171           available at <https://www.tldp.org/d !! 1136         bool
172                                                   1137 
173           If you don't know what to do here, s !! 1138 config SYNC_R4K
                                                   >> 1139         bool
174                                                   1140 
175 config NR_CPUS                                 !! 1141 config NO_IOPORT_MAP
176         int "Maximum number of CPUs"           !! 1142         def_bool n
177         depends on SMP                         << 
178         range 2 32 if SPARC32                  << 
179         range 2 4096 if SPARC64                << 
180         default 32 if SPARC32                  << 
181         default 4096 if SPARC64                << 
182                                                   1143 
183 source "kernel/Kconfig.hz"                     !! 1144 config GENERIC_CSUM
                                                   >> 1145         def_bool CPU_NO_LOAD_STORE_LR
184                                                   1146 
185 config GENERIC_HWEIGHT                         !! 1147 config GENERIC_ISA_DMA
186         bool                                      1148         bool
187         default y                              !! 1149         select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
                                                   >> 1150         select ISA_DMA_API
188                                                   1151 
189 config GENERIC_CALIBRATE_DELAY                 !! 1152 config GENERIC_ISA_DMA_SUPPORT_BROKEN
190         bool                                      1153         bool
191         default y                              !! 1154         select GENERIC_ISA_DMA
192                                                   1155 
193 config ARCH_MAY_HAVE_PC_FDC                    !! 1156 config HAVE_PLAT_DELAY
                                                   >> 1157         bool
                                                   >> 1158 
                                                   >> 1159 config HAVE_PLAT_FW_INIT_CMDLINE
194         bool                                      1160         bool
195         default y                              << 
196                                                   1161 
197 config EMULATED_CMPXCHG                        !! 1162 config HAVE_PLAT_MEMCPY
                                                   >> 1163         bool
                                                   >> 1164 
                                                   >> 1165 config ISA_DMA_API
                                                   >> 1166         bool
                                                   >> 1167 
                                                   >> 1168 config SYS_SUPPORTS_RELOCATABLE
198         bool                                      1169         bool
199         default y if SPARC32                   << 
200         help                                      1170         help
201           Sparc32 does not have a CAS instruct !! 1171           Selected if the platform supports relocating the kernel.
202           is emulated, and therefore it is not !! 1172           The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
                                                   >> 1173           to allow access to command line and entropy sources.
203                                                   1174 
204 # Makefile helpers                             !! 1175 #
205 config SPARC32_SMP                             !! 1176 # Endianness selection.  Sufficiently obscure so many users don't know what to
                                                   >> 1177 # answer,so we try hard to limit the available choices.  Also the use of a
                                                   >> 1178 # choice statement should be more obvious to the user.
                                                   >> 1179 #
                                                   >> 1180 choice
                                                   >> 1181         prompt "Endianness selection"
                                                   >> 1182         help
                                                   >> 1183           Some MIPS machines can be configured for either little or big endian
                                                   >> 1184           byte order. These modes require different kernels and a different
                                                   >> 1185           Linux distribution.  In general there is one preferred byteorder for a
                                                   >> 1186           particular system but some systems are just as commonly used in the
                                                   >> 1187           one or the other endianness.
                                                   >> 1188 
                                                   >> 1189 config CPU_BIG_ENDIAN
                                                   >> 1190         bool "Big endian"
                                                   >> 1191         depends on SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1192 
                                                   >> 1193 config CPU_LITTLE_ENDIAN
                                                   >> 1194         bool "Little endian"
                                                   >> 1195         depends on SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 1196 
                                                   >> 1197 endchoice
                                                   >> 1198 
                                                   >> 1199 config EXPORT_UASM
                                                   >> 1200         bool
                                                   >> 1201 
                                                   >> 1202 config SYS_SUPPORTS_APM_EMULATION
                                                   >> 1203         bool
                                                   >> 1204 
                                                   >> 1205 config SYS_SUPPORTS_BIG_ENDIAN
                                                   >> 1206         bool
                                                   >> 1207 
                                                   >> 1208 config SYS_SUPPORTS_LITTLE_ENDIAN
                                                   >> 1209         bool
                                                   >> 1210 
                                                   >> 1211 config MIPS_HUGE_TLB_SUPPORT
                                                   >> 1212         def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
                                                   >> 1213 
                                                   >> 1214 config IRQ_TXX9
                                                   >> 1215         bool
                                                   >> 1216 
                                                   >> 1217 config IRQ_GT641XX
                                                   >> 1218         bool
                                                   >> 1219 
                                                   >> 1220 config PCI_GT64XXX_PCI0
                                                   >> 1221         bool
                                                   >> 1222 
                                                   >> 1223 config PCI_XTALK_BRIDGE
                                                   >> 1224         bool
                                                   >> 1225 
                                                   >> 1226 config NO_EXCEPT_FILL
                                                   >> 1227         bool
                                                   >> 1228 
                                                   >> 1229 config MIPS_SPRAM
                                                   >> 1230         bool
                                                   >> 1231 
                                                   >> 1232 config SWAP_IO_SPACE
                                                   >> 1233         bool
                                                   >> 1234 
                                                   >> 1235 config SGI_HAS_INDYDOG
                                                   >> 1236         bool
                                                   >> 1237 
                                                   >> 1238 config SGI_HAS_HAL2
                                                   >> 1239         bool
                                                   >> 1240 
                                                   >> 1241 config SGI_HAS_SEEQ
                                                   >> 1242         bool
                                                   >> 1243 
                                                   >> 1244 config SGI_HAS_WD93
                                                   >> 1245         bool
                                                   >> 1246 
                                                   >> 1247 config SGI_HAS_ZILOG
                                                   >> 1248         bool
                                                   >> 1249 
                                                   >> 1250 config SGI_HAS_I8042
                                                   >> 1251         bool
                                                   >> 1252 
                                                   >> 1253 config DEFAULT_SGI_PARTITION
                                                   >> 1254         bool
                                                   >> 1255 
                                                   >> 1256 config FW_ARC32
                                                   >> 1257         bool
                                                   >> 1258 
                                                   >> 1259 config FW_SNIPROM
206         bool                                      1260         bool
207         default y                              << 
208         depends on SPARC32 && SMP              << 
209                                                   1261 
210 config SPARC64_SMP                             !! 1262 config BOOT_ELF32
211         bool                                      1263         bool
                                                   >> 1264 
                                                   >> 1265 config MIPS_L1_CACHE_SHIFT_4
                                                   >> 1266         bool
                                                   >> 1267 
                                                   >> 1268 config MIPS_L1_CACHE_SHIFT_5
                                                   >> 1269         bool
                                                   >> 1270 
                                                   >> 1271 config MIPS_L1_CACHE_SHIFT_6
                                                   >> 1272         bool
                                                   >> 1273 
                                                   >> 1274 config MIPS_L1_CACHE_SHIFT_7
                                                   >> 1275         bool
                                                   >> 1276 
                                                   >> 1277 config MIPS_L1_CACHE_SHIFT
                                                   >> 1278         int
                                                   >> 1279         default "7" if MIPS_L1_CACHE_SHIFT_7
                                                   >> 1280         default "6" if MIPS_L1_CACHE_SHIFT_6
                                                   >> 1281         default "5" if MIPS_L1_CACHE_SHIFT_5
                                                   >> 1282         default "4" if MIPS_L1_CACHE_SHIFT_4
                                                   >> 1283         default "5"
                                                   >> 1284 
                                                   >> 1285 config ARC_CMDLINE_ONLY
                                                   >> 1286         bool
                                                   >> 1287 
                                                   >> 1288 config ARC_CONSOLE
                                                   >> 1289         bool "ARC console support"
                                                   >> 1290         depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
                                                   >> 1291 
                                                   >> 1292 config ARC_MEMORY
                                                   >> 1293         bool
                                                   >> 1294 
                                                   >> 1295 config ARC_PROMLIB
                                                   >> 1296         bool
                                                   >> 1297 
                                                   >> 1298 config FW_ARC64
                                                   >> 1299         bool
                                                   >> 1300 
                                                   >> 1301 config BOOT_ELF64
                                                   >> 1302         bool
                                                   >> 1303 
                                                   >> 1304 menu "CPU selection"
                                                   >> 1305 
                                                   >> 1306 choice
                                                   >> 1307         prompt "CPU type"
                                                   >> 1308         default CPU_R4X00
                                                   >> 1309 
                                                   >> 1310 config CPU_LOONGSON64
                                                   >> 1311         bool "Loongson 64-bit CPU"
                                                   >> 1312         depends on SYS_HAS_CPU_LOONGSON64
                                                   >> 1313         select ARCH_HAS_PHYS_TO_DMA
                                                   >> 1314         select CPU_MIPSR2
                                                   >> 1315         select CPU_HAS_PREFETCH
                                                   >> 1316         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1317         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1318         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1319         select CPU_SUPPORTS_MSA
                                                   >> 1320         select CPU_SUPPORTS_VZ
                                                   >> 1321         select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
                                                   >> 1322         select CPU_MIPSR2_IRQ_VI
                                                   >> 1323         select DMA_NONCOHERENT
                                                   >> 1324         select WEAK_ORDERING
                                                   >> 1325         select WEAK_REORDERING_BEYOND_LLSC
                                                   >> 1326         select MIPS_ASID_BITS_VARIABLE
                                                   >> 1327         select MIPS_PGD_C0_CONTEXT
                                                   >> 1328         select MIPS_L1_CACHE_SHIFT_6
                                                   >> 1329         select MIPS_FP_SUPPORT
                                                   >> 1330         select GPIOLIB
                                                   >> 1331         select SWIOTLB
                                                   >> 1332         help
                                                   >> 1333           The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
                                                   >> 1334           cores implements the MIPS64R2 instruction set with many extensions,
                                                   >> 1335           including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
                                                   >> 1336           3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
                                                   >> 1337           Loongson-2E/2F is not covered here and will be removed in future.
                                                   >> 1338 
                                                   >> 1339 config CPU_LOONGSON2E
                                                   >> 1340         bool "Loongson 2E"
                                                   >> 1341         depends on SYS_HAS_CPU_LOONGSON2E
                                                   >> 1342         select CPU_LOONGSON2EF
                                                   >> 1343         help
                                                   >> 1344           The Loongson 2E processor implements the MIPS III instruction set
                                                   >> 1345           with many extensions.
                                                   >> 1346 
                                                   >> 1347           It has an internal FPGA northbridge, which is compatible to
                                                   >> 1348           bonito64.
                                                   >> 1349 
                                                   >> 1350 config CPU_LOONGSON2F
                                                   >> 1351         bool "Loongson 2F"
                                                   >> 1352         depends on SYS_HAS_CPU_LOONGSON2F
                                                   >> 1353         select CPU_LOONGSON2EF
                                                   >> 1354         help
                                                   >> 1355           The Loongson 2F processor implements the MIPS III instruction set
                                                   >> 1356           with many extensions.
                                                   >> 1357 
                                                   >> 1358           Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
                                                   >> 1359           have a similar programming interface with FPGA northbridge used in
                                                   >> 1360           Loongson2E.
                                                   >> 1361 
                                                   >> 1362 config CPU_LOONGSON1B
                                                   >> 1363         bool "Loongson 1B"
                                                   >> 1364         depends on SYS_HAS_CPU_LOONGSON1B
                                                   >> 1365         select CPU_LOONGSON32
                                                   >> 1366         select LEDS_GPIO_REGISTER
                                                   >> 1367         help
                                                   >> 1368           The Loongson 1B is a 32-bit SoC, which implements the MIPS32
                                                   >> 1369           Release 1 instruction set and part of the MIPS32 Release 2
                                                   >> 1370           instruction set.
                                                   >> 1371 
                                                   >> 1372 config CPU_LOONGSON1C
                                                   >> 1373         bool "Loongson 1C"
                                                   >> 1374         depends on SYS_HAS_CPU_LOONGSON1C
                                                   >> 1375         select CPU_LOONGSON32
                                                   >> 1376         select LEDS_GPIO_REGISTER
                                                   >> 1377         help
                                                   >> 1378           The Loongson 1C is a 32-bit SoC, which implements the MIPS32
                                                   >> 1379           Release 1 instruction set and part of the MIPS32 Release 2
                                                   >> 1380           instruction set.
                                                   >> 1381 
                                                   >> 1382 config CPU_MIPS32_R1
                                                   >> 1383         bool "MIPS32 Release 1"
                                                   >> 1384         depends on SYS_HAS_CPU_MIPS32_R1
                                                   >> 1385         select CPU_HAS_PREFETCH
                                                   >> 1386         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1387         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1388         help
                                                   >> 1389           Choose this option to build a kernel for release 1 or later of the
                                                   >> 1390           MIPS32 architecture.  Most modern embedded systems with a 32-bit
                                                   >> 1391           MIPS processor are based on a MIPS32 processor.  If you know the
                                                   >> 1392           specific type of processor in your system, choose those that one
                                                   >> 1393           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
                                                   >> 1394           Release 2 of the MIPS32 architecture is available since several
                                                   >> 1395           years so chances are you even have a MIPS32 Release 2 processor
                                                   >> 1396           in which case you should choose CPU_MIPS32_R2 instead for better
                                                   >> 1397           performance.
                                                   >> 1398 
                                                   >> 1399 config CPU_MIPS32_R2
                                                   >> 1400         bool "MIPS32 Release 2"
                                                   >> 1401         depends on SYS_HAS_CPU_MIPS32_R2
                                                   >> 1402         select CPU_HAS_PREFETCH
                                                   >> 1403         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1404         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1405         select CPU_SUPPORTS_MSA
                                                   >> 1406         help
                                                   >> 1407           Choose this option to build a kernel for release 2 or later of the
                                                   >> 1408           MIPS32 architecture.  Most modern embedded systems with a 32-bit
                                                   >> 1409           MIPS processor are based on a MIPS32 processor.  If you know the
                                                   >> 1410           specific type of processor in your system, choose those that one
                                                   >> 1411           otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
                                                   >> 1412 
                                                   >> 1413 config CPU_MIPS32_R5
                                                   >> 1414         bool "MIPS32 Release 5"
                                                   >> 1415         depends on SYS_HAS_CPU_MIPS32_R5
                                                   >> 1416         select CPU_HAS_PREFETCH
                                                   >> 1417         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1418         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1419         select CPU_SUPPORTS_MSA
                                                   >> 1420         select CPU_SUPPORTS_VZ
                                                   >> 1421         select MIPS_O32_FP64_SUPPORT
                                                   >> 1422         help
                                                   >> 1423           Choose this option to build a kernel for release 5 or later of the
                                                   >> 1424           MIPS32 architecture.  New MIPS processors, starting with the Warrior
                                                   >> 1425           family, are based on a MIPS32r5 processor. If you own an older
                                                   >> 1426           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
                                                   >> 1427 
                                                   >> 1428 config CPU_MIPS32_R6
                                                   >> 1429         bool "MIPS32 Release 6"
                                                   >> 1430         depends on SYS_HAS_CPU_MIPS32_R6
                                                   >> 1431         select CPU_HAS_PREFETCH
                                                   >> 1432         select CPU_NO_LOAD_STORE_LR
                                                   >> 1433         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1434         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1435         select CPU_SUPPORTS_MSA
                                                   >> 1436         select CPU_SUPPORTS_VZ
                                                   >> 1437         select MIPS_O32_FP64_SUPPORT
                                                   >> 1438         help
                                                   >> 1439           Choose this option to build a kernel for release 6 or later of the
                                                   >> 1440           MIPS32 architecture.  New MIPS processors, starting with the Warrior
                                                   >> 1441           family, are based on a MIPS32r6 processor. If you own an older
                                                   >> 1442           processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
                                                   >> 1443 
                                                   >> 1444 config CPU_MIPS64_R1
                                                   >> 1445         bool "MIPS64 Release 1"
                                                   >> 1446         depends on SYS_HAS_CPU_MIPS64_R1
                                                   >> 1447         select CPU_HAS_PREFETCH
                                                   >> 1448         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1449         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1450         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1451         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1452         help
                                                   >> 1453           Choose this option to build a kernel for release 1 or later of the
                                                   >> 1454           MIPS64 architecture.  Many modern embedded systems with a 64-bit
                                                   >> 1455           MIPS processor are based on a MIPS64 processor.  If you know the
                                                   >> 1456           specific type of processor in your system, choose those that one
                                                   >> 1457           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
                                                   >> 1458           Release 2 of the MIPS64 architecture is available since several
                                                   >> 1459           years so chances are you even have a MIPS64 Release 2 processor
                                                   >> 1460           in which case you should choose CPU_MIPS64_R2 instead for better
                                                   >> 1461           performance.
                                                   >> 1462 
                                                   >> 1463 config CPU_MIPS64_R2
                                                   >> 1464         bool "MIPS64 Release 2"
                                                   >> 1465         depends on SYS_HAS_CPU_MIPS64_R2
                                                   >> 1466         select CPU_HAS_PREFETCH
                                                   >> 1467         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1468         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1469         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1470         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1471         select CPU_SUPPORTS_MSA
                                                   >> 1472         help
                                                   >> 1473           Choose this option to build a kernel for release 2 or later of the
                                                   >> 1474           MIPS64 architecture.  Many modern embedded systems with a 64-bit
                                                   >> 1475           MIPS processor are based on a MIPS64 processor.  If you know the
                                                   >> 1476           specific type of processor in your system, choose those that one
                                                   >> 1477           otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
                                                   >> 1478 
                                                   >> 1479 config CPU_MIPS64_R5
                                                   >> 1480         bool "MIPS64 Release 5"
                                                   >> 1481         depends on SYS_HAS_CPU_MIPS64_R5
                                                   >> 1482         select CPU_HAS_PREFETCH
                                                   >> 1483         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1484         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1485         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1486         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1487         select CPU_SUPPORTS_MSA
                                                   >> 1488         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
                                                   >> 1489         select CPU_SUPPORTS_VZ
                                                   >> 1490         help
                                                   >> 1491           Choose this option to build a kernel for release 5 or later of the
                                                   >> 1492           MIPS64 architecture.  This is a intermediate MIPS architecture
                                                   >> 1493           release partly implementing release 6 features. Though there is no
                                                   >> 1494           any hardware known to be based on this release.
                                                   >> 1495 
                                                   >> 1496 config CPU_MIPS64_R6
                                                   >> 1497         bool "MIPS64 Release 6"
                                                   >> 1498         depends on SYS_HAS_CPU_MIPS64_R6
                                                   >> 1499         select CPU_HAS_PREFETCH
                                                   >> 1500         select CPU_NO_LOAD_STORE_LR
                                                   >> 1501         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1502         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1503         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1504         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1505         select CPU_SUPPORTS_MSA
                                                   >> 1506         select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
                                                   >> 1507         select CPU_SUPPORTS_VZ
                                                   >> 1508         help
                                                   >> 1509           Choose this option to build a kernel for release 6 or later of the
                                                   >> 1510           MIPS64 architecture.  New MIPS processors, starting with the Warrior
                                                   >> 1511           family, are based on a MIPS64r6 processor. If you own an older
                                                   >> 1512           processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
                                                   >> 1513 
                                                   >> 1514 config CPU_P5600
                                                   >> 1515         bool "MIPS Warrior P5600"
                                                   >> 1516         depends on SYS_HAS_CPU_P5600
                                                   >> 1517         select CPU_HAS_PREFETCH
                                                   >> 1518         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1519         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1520         select CPU_SUPPORTS_MSA
                                                   >> 1521         select CPU_SUPPORTS_CPUFREQ
                                                   >> 1522         select CPU_SUPPORTS_VZ
                                                   >> 1523         select CPU_MIPSR2_IRQ_VI
                                                   >> 1524         select CPU_MIPSR2_IRQ_EI
                                                   >> 1525         select MIPS_O32_FP64_SUPPORT
                                                   >> 1526         help
                                                   >> 1527           Choose this option to build a kernel for MIPS Warrior P5600 CPU.
                                                   >> 1528           It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
                                                   >> 1529           MMU with two-levels TLB, UCA, MSA, MDU core level features and system
                                                   >> 1530           level features like up to six P5600 calculation cores, CM2 with L2
                                                   >> 1531           cache, IOCU/IOMMU (though might be unused depending on the system-
                                                   >> 1532           specific IP core configuration), GIC, CPC, virtualisation module,
                                                   >> 1533           eJTAG and PDtrace.
                                                   >> 1534 
                                                   >> 1535 config CPU_R3000
                                                   >> 1536         bool "R3000"
                                                   >> 1537         depends on SYS_HAS_CPU_R3000
                                                   >> 1538         select CPU_HAS_WB
                                                   >> 1539         select CPU_R3K_TLB
                                                   >> 1540         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1541         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1542         help
                                                   >> 1543           Please make sure to pick the right CPU type. Linux/MIPS is not
                                                   >> 1544           designed to be generic, i.e. Kernels compiled for R3000 CPUs will
                                                   >> 1545           *not* work on R4000 machines and vice versa.  However, since most
                                                   >> 1546           of the supported machines have an R4000 (or similar) CPU, R4x00
                                                   >> 1547           might be a safe bet.  If the resulting kernel does not work,
                                                   >> 1548           try to recompile with R3000.
                                                   >> 1549 
                                                   >> 1550 config CPU_R4300
                                                   >> 1551         bool "R4300"
                                                   >> 1552         depends on SYS_HAS_CPU_R4300
                                                   >> 1553         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1554         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1555         help
                                                   >> 1556           MIPS Technologies R4300-series processors.
                                                   >> 1557 
                                                   >> 1558 config CPU_R4X00
                                                   >> 1559         bool "R4x00"
                                                   >> 1560         depends on SYS_HAS_CPU_R4X00
                                                   >> 1561         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1562         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1563         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1564         help
                                                   >> 1565           MIPS Technologies R4000-series processors other than 4300, including
                                                   >> 1566           the R4000, R4400, R4600, and 4700.
                                                   >> 1567 
                                                   >> 1568 config CPU_TX49XX
                                                   >> 1569         bool "R49XX"
                                                   >> 1570         depends on SYS_HAS_CPU_TX49XX
                                                   >> 1571         select CPU_HAS_PREFETCH
                                                   >> 1572         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1573         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1574         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1575 
                                                   >> 1576 config CPU_R5000
                                                   >> 1577         bool "R5000"
                                                   >> 1578         depends on SYS_HAS_CPU_R5000
                                                   >> 1579         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1580         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1581         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1582         help
                                                   >> 1583           MIPS Technologies R5000-series processors other than the Nevada.
                                                   >> 1584 
                                                   >> 1585 config CPU_R5500
                                                   >> 1586         bool "R5500"
                                                   >> 1587         depends on SYS_HAS_CPU_R5500
                                                   >> 1588         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1589         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1590         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1591         help
                                                   >> 1592           NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
                                                   >> 1593           instruction set.
                                                   >> 1594 
                                                   >> 1595 config CPU_NEVADA
                                                   >> 1596         bool "RM52xx"
                                                   >> 1597         depends on SYS_HAS_CPU_NEVADA
                                                   >> 1598         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1599         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1600         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1601         help
                                                   >> 1602           QED / PMC-Sierra RM52xx-series ("Nevada") processors.
                                                   >> 1603 
                                                   >> 1604 config CPU_R10000
                                                   >> 1605         bool "R10000"
                                                   >> 1606         depends on SYS_HAS_CPU_R10000
                                                   >> 1607         select CPU_HAS_PREFETCH
                                                   >> 1608         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1609         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1610         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1611         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1612         help
                                                   >> 1613           MIPS Technologies R10000-series processors.
                                                   >> 1614 
                                                   >> 1615 config CPU_RM7000
                                                   >> 1616         bool "RM7000"
                                                   >> 1617         depends on SYS_HAS_CPU_RM7000
                                                   >> 1618         select CPU_HAS_PREFETCH
                                                   >> 1619         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1620         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1621         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1622         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1623 
                                                   >> 1624 config CPU_SB1
                                                   >> 1625         bool "SB1"
                                                   >> 1626         depends on SYS_HAS_CPU_SB1
                                                   >> 1627         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1628         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1629         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1630         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1631         select WEAK_ORDERING
                                                   >> 1632 
                                                   >> 1633 config CPU_CAVIUM_OCTEON
                                                   >> 1634         bool "Cavium Octeon processor"
                                                   >> 1635         depends on SYS_HAS_CPU_CAVIUM_OCTEON
                                                   >> 1636         select CPU_HAS_PREFETCH
                                                   >> 1637         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1638         select HAVE_PAGE_SIZE_8KB if !MIPS_VA_BITS_48
                                                   >> 1639         select HAVE_PAGE_SIZE_32KB if !MIPS_VA_BITS_48
                                                   >> 1640         select WEAK_ORDERING
                                                   >> 1641         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1642         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1643         select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 1644         select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
                                                   >> 1645         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 1646         select CPU_SUPPORTS_VZ
                                                   >> 1647         help
                                                   >> 1648           The Cavium Octeon processor is a highly integrated chip containing
                                                   >> 1649           many ethernet hardware widgets for networking tasks. The processor
                                                   >> 1650           can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
                                                   >> 1651           Full details can be found at http://www.caviumnetworks.com.
                                                   >> 1652 
                                                   >> 1653 config CPU_BMIPS
                                                   >> 1654         bool "Broadcom BMIPS"
                                                   >> 1655         depends on SYS_HAS_CPU_BMIPS
                                                   >> 1656         select CPU_MIPS32
                                                   >> 1657         select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
                                                   >> 1658         select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
                                                   >> 1659         select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
                                                   >> 1660         select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
                                                   >> 1661         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1662         select DMA_NONCOHERENT
                                                   >> 1663         select IRQ_MIPS_CPU
                                                   >> 1664         select SWAP_IO_SPACE
                                                   >> 1665         select WEAK_ORDERING
                                                   >> 1666         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1667         select CPU_HAS_PREFETCH
                                                   >> 1668         select CPU_SUPPORTS_CPUFREQ
                                                   >> 1669         select MIPS_EXTERNAL_TIMER
                                                   >> 1670         select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
                                                   >> 1671         help
                                                   >> 1672           Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
                                                   >> 1673 
                                                   >> 1674 endchoice
                                                   >> 1675 
                                                   >> 1676 config LOONGSON3_ENHANCEMENT
                                                   >> 1677         bool "New Loongson-3 CPU Enhancements"
                                                   >> 1678         default n
                                                   >> 1679         depends on CPU_LOONGSON64
                                                   >> 1680         help
                                                   >> 1681           New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
                                                   >> 1682           R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
                                                   >> 1683           FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
                                                   >> 1684           Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
                                                   >> 1685           Fast TLB refill support, etc.
                                                   >> 1686 
                                                   >> 1687           This option enable those enhancements which are not probed at run
                                                   >> 1688           time. If you want a generic kernel to run on all Loongson 3 machines,
                                                   >> 1689           please say 'N' here. If you want a high-performance kernel to run on
                                                   >> 1690           new Loongson-3 machines only, please say 'Y' here.
                                                   >> 1691 
                                                   >> 1692 config CPU_LOONGSON3_WORKAROUNDS
                                                   >> 1693         bool "Loongson-3 LLSC Workarounds"
                                                   >> 1694         default y if SMP
                                                   >> 1695         depends on CPU_LOONGSON64
                                                   >> 1696         help
                                                   >> 1697           Loongson-3 processors have the llsc issues which require workarounds.
                                                   >> 1698           Without workarounds the system may hang unexpectedly.
                                                   >> 1699 
                                                   >> 1700           Say Y, unless you know what you are doing.
                                                   >> 1701 
                                                   >> 1702 config CPU_LOONGSON3_CPUCFG_EMULATION
                                                   >> 1703         bool "Emulate the CPUCFG instruction on older Loongson cores"
212         default y                                 1704         default y
213         depends on SPARC64 && SMP              !! 1705         depends on CPU_LOONGSON64
                                                   >> 1706         help
                                                   >> 1707           Loongson-3A R4 and newer have the CPUCFG instruction available for
                                                   >> 1708           userland to query CPU capabilities, much like CPUID on x86. This
                                                   >> 1709           option provides emulation of the instruction on older Loongson
                                                   >> 1710           cores, back to Loongson-3A1000.
                                                   >> 1711 
                                                   >> 1712           If unsure, please say Y.
                                                   >> 1713 
                                                   >> 1714 config CPU_MIPS32_3_5_FEATURES
                                                   >> 1715         bool "MIPS32 Release 3.5 Features"
                                                   >> 1716         depends on SYS_HAS_CPU_MIPS32_R3_5
                                                   >> 1717         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
                                                   >> 1718                    CPU_P5600
                                                   >> 1719         help
                                                   >> 1720           Choose this option to build a kernel for release 2 or later of the
                                                   >> 1721           MIPS32 architecture including features from the 3.5 release such as
                                                   >> 1722           support for Enhanced Virtual Addressing (EVA).
214                                                   1723 
215 config EARLYFB                                 !! 1724 config CPU_MIPS32_3_5_EVA
216         bool "Support for early boot text cons !! 1725         bool "Enhanced Virtual Addressing (EVA)"
                                                   >> 1726         depends on CPU_MIPS32_3_5_FEATURES
                                                   >> 1727         select EVA
217         default y                                 1728         default y
218         depends on SPARC64                     << 
219         select FONT_SUN8x16                    << 
220         select FONT_SUPPORT                    << 
221         help                                      1729         help
222           Say Y here to enable a faster early  !! 1730           Choose this option if you want to enable the Enhanced Virtual
                                                   >> 1731           Addressing (EVA) on your MIPS32 core (such as proAptiv).
                                                   >> 1732           One of its primary benefits is an increase in the maximum size
                                                   >> 1733           of lowmem (up to 3GB). If unsure, say 'N' here.
223                                                   1734 
224 config HOTPLUG_CPU                             !! 1735 config CPU_MIPS32_R5_FEATURES
225         bool "Support for hot-pluggable CPUs"  !! 1736         bool "MIPS32 Release 5 Features"
226         depends on SPARC64 && SMP              !! 1737         depends on SYS_HAS_CPU_MIPS32_R5
                                                   >> 1738         depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
227         help                                      1739         help
228           Say Y here to experiment with turnin !! 1740           Choose this option to build a kernel for release 2 or later of the
229           can be controlled through /sys/devic !! 1741           MIPS32 architecture including features from release 5 such as
230           Say N if you want to disable CPU hot !! 1742           support for Extended Physical Addressing (XPA).
231                                                   1743 
232 if SPARC64                                     !! 1744 config CPU_MIPS32_R5_XPA
233 source "drivers/cpufreq/Kconfig"               !! 1745         bool "Extended Physical Addressing (XPA)"
234 endif                                          !! 1746         depends on CPU_MIPS32_R5_FEATURES
                                                   >> 1747         depends on !EVA
                                                   >> 1748         depends on !PAGE_SIZE_4KB
                                                   >> 1749         depends on SYS_SUPPORTS_HIGHMEM
                                                   >> 1750         select XPA
                                                   >> 1751         select HIGHMEM
                                                   >> 1752         select PHYS_ADDR_T_64BIT
                                                   >> 1753         default n
                                                   >> 1754         help
                                                   >> 1755           Choose this option if you want to enable the Extended Physical
                                                   >> 1756           Addressing (XPA) on your MIPS32 core (such as P5600 series). The
                                                   >> 1757           benefit is to increase physical addressing equal to or greater
                                                   >> 1758           than 40 bits. Note that this has the side effect of turning on
                                                   >> 1759           64-bit addressing which in turn makes the PTEs 64-bit in size.
                                                   >> 1760           If unsure, say 'N' here.
235                                                   1761 
236 config US3_MC                                  !! 1762 if CPU_LOONGSON2F
237         tristate "UltraSPARC-III Memory Contro !! 1763 config CPU_NOP_WORKAROUNDS
238         depends on SPARC64                     !! 1764         bool
                                                   >> 1765 
                                                   >> 1766 config CPU_JUMP_WORKAROUNDS
                                                   >> 1767         bool
                                                   >> 1768 
                                                   >> 1769 config CPU_LOONGSON2F_WORKAROUNDS
                                                   >> 1770         bool "Loongson 2F Workarounds"
239         default y                                 1771         default y
                                                   >> 1772         select CPU_NOP_WORKAROUNDS
                                                   >> 1773         select CPU_JUMP_WORKAROUNDS
240         help                                      1774         help
241           This adds a driver for the UltraSPAR !! 1775           Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
242           Loading this driver allows exact mne !! 1776           require workarounds.  Without workarounds the system may hang
243           printed in the event of a memory err !! 1777           unexpectedly.  For more information please refer to the gas
244           on the motherboard can be matched to !! 1778           -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
                                                   >> 1779 
                                                   >> 1780           Loongson 2F03 and later have fixed these issues and no workarounds
                                                   >> 1781           are needed.  The workarounds have no significant side effect on them
                                                   >> 1782           but may decrease the performance of the system so this option should
                                                   >> 1783           be disabled unless the kernel is intended to be run on 2F01 or 2F02
                                                   >> 1784           systems.
245                                                   1785 
246           If in doubt, say Y, as this informat !! 1786           If unsure, please say Y.
                                                   >> 1787 endif # CPU_LOONGSON2F
247                                                   1788 
248 # Global things across all Sun machines.       !! 1789 config SYS_SUPPORTS_ZBOOT
249 config GENERIC_LOCKBREAK                       << 
250         bool                                      1790         bool
251         default y                              !! 1791         select HAVE_KERNEL_GZIP
252         depends on SPARC64 && SMP && PREEMPTIO !! 1792         select HAVE_KERNEL_BZIP2
                                                   >> 1793         select HAVE_KERNEL_LZ4
                                                   >> 1794         select HAVE_KERNEL_LZMA
                                                   >> 1795         select HAVE_KERNEL_LZO
                                                   >> 1796         select HAVE_KERNEL_XZ
                                                   >> 1797         select HAVE_KERNEL_ZSTD
253                                                   1798 
254 config NUMA                                    !! 1799 config SYS_SUPPORTS_ZBOOT_UART16550
255         bool "NUMA support"                    !! 1800         bool
256         depends on SPARC64 && SMP              !! 1801         select SYS_SUPPORTS_ZBOOT
257                                                   1802 
258 config NODES_SHIFT                             !! 1803 config SYS_SUPPORTS_ZBOOT_UART_PROM
259         int "Maximum NUMA Nodes (as a power of !! 1804         bool
260         range 4 5 if SPARC64                   !! 1805         select SYS_SUPPORTS_ZBOOT
261         default "5"                            !! 1806 
262         depends on NUMA                        !! 1807 config CPU_LOONGSON2EF
                                                   >> 1808         bool
                                                   >> 1809         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1810         select CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 1811         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1812         select CPU_SUPPORTS_HUGEPAGES
                                                   >> 1813 
                                                   >> 1814 config CPU_LOONGSON32
                                                   >> 1815         bool
                                                   >> 1816         select CPU_MIPS32
                                                   >> 1817         select CPU_MIPSR2
                                                   >> 1818         select CPU_HAS_PREFETCH
                                                   >> 1819         select CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 1820         select CPU_SUPPORTS_HIGHMEM
                                                   >> 1821         select CPU_SUPPORTS_CPUFREQ
                                                   >> 1822 
                                                   >> 1823 config CPU_BMIPS32_3300
                                                   >> 1824         select SMP_UP if SMP
                                                   >> 1825         bool
                                                   >> 1826 
                                                   >> 1827 config CPU_BMIPS4350
                                                   >> 1828         bool
                                                   >> 1829         select SYS_SUPPORTS_SMP
                                                   >> 1830         select SYS_SUPPORTS_HOTPLUG_CPU
                                                   >> 1831 
                                                   >> 1832 config CPU_BMIPS4380
                                                   >> 1833         bool
                                                   >> 1834         select MIPS_L1_CACHE_SHIFT_6
                                                   >> 1835         select SYS_SUPPORTS_SMP
                                                   >> 1836         select SYS_SUPPORTS_HOTPLUG_CPU
                                                   >> 1837         select CPU_HAS_RIXI
                                                   >> 1838 
                                                   >> 1839 config CPU_BMIPS5000
                                                   >> 1840         bool
                                                   >> 1841         select MIPS_CPU_SCACHE
                                                   >> 1842         select MIPS_L1_CACHE_SHIFT_7
                                                   >> 1843         select SYS_SUPPORTS_SMP
                                                   >> 1844         select SYS_SUPPORTS_HOTPLUG_CPU
                                                   >> 1845         select CPU_HAS_RIXI
                                                   >> 1846 
                                                   >> 1847 config SYS_HAS_CPU_LOONGSON64
                                                   >> 1848         bool
                                                   >> 1849         select CPU_SUPPORTS_CPUFREQ
                                                   >> 1850         select CPU_HAS_RIXI
                                                   >> 1851 
                                                   >> 1852 config SYS_HAS_CPU_LOONGSON2E
                                                   >> 1853         bool
                                                   >> 1854 
                                                   >> 1855 config SYS_HAS_CPU_LOONGSON2F
                                                   >> 1856         bool
                                                   >> 1857         select CPU_SUPPORTS_CPUFREQ
                                                   >> 1858         select CPU_SUPPORTS_ADDRWINCFG if 64BIT
                                                   >> 1859 
                                                   >> 1860 config SYS_HAS_CPU_LOONGSON1B
                                                   >> 1861         bool
                                                   >> 1862 
                                                   >> 1863 config SYS_HAS_CPU_LOONGSON1C
                                                   >> 1864         bool
                                                   >> 1865 
                                                   >> 1866 config SYS_HAS_CPU_MIPS32_R1
                                                   >> 1867         bool
                                                   >> 1868 
                                                   >> 1869 config SYS_HAS_CPU_MIPS32_R2
                                                   >> 1870         bool
                                                   >> 1871 
                                                   >> 1872 config SYS_HAS_CPU_MIPS32_R3_5
                                                   >> 1873         bool
                                                   >> 1874 
                                                   >> 1875 config SYS_HAS_CPU_MIPS32_R5
                                                   >> 1876         bool
                                                   >> 1877 
                                                   >> 1878 config SYS_HAS_CPU_MIPS32_R6
                                                   >> 1879         bool
                                                   >> 1880 
                                                   >> 1881 config SYS_HAS_CPU_MIPS64_R1
                                                   >> 1882         bool
                                                   >> 1883 
                                                   >> 1884 config SYS_HAS_CPU_MIPS64_R2
                                                   >> 1885         bool
                                                   >> 1886 
                                                   >> 1887 config SYS_HAS_CPU_MIPS64_R5
                                                   >> 1888         bool
                                                   >> 1889 
                                                   >> 1890 config SYS_HAS_CPU_MIPS64_R6
                                                   >> 1891         bool
                                                   >> 1892 
                                                   >> 1893 config SYS_HAS_CPU_P5600
                                                   >> 1894         bool
                                                   >> 1895 
                                                   >> 1896 config SYS_HAS_CPU_R3000
                                                   >> 1897         bool
                                                   >> 1898 
                                                   >> 1899 config SYS_HAS_CPU_R4300
                                                   >> 1900         bool
                                                   >> 1901 
                                                   >> 1902 config SYS_HAS_CPU_R4X00
                                                   >> 1903         bool
                                                   >> 1904 
                                                   >> 1905 config SYS_HAS_CPU_TX49XX
                                                   >> 1906         bool
                                                   >> 1907 
                                                   >> 1908 config SYS_HAS_CPU_R5000
                                                   >> 1909         bool
                                                   >> 1910 
                                                   >> 1911 config SYS_HAS_CPU_R5500
                                                   >> 1912         bool
                                                   >> 1913 
                                                   >> 1914 config SYS_HAS_CPU_NEVADA
                                                   >> 1915         bool
                                                   >> 1916 
                                                   >> 1917 config SYS_HAS_CPU_R10000
                                                   >> 1918         bool
                                                   >> 1919 
                                                   >> 1920 config SYS_HAS_CPU_RM7000
                                                   >> 1921         bool
                                                   >> 1922 
                                                   >> 1923 config SYS_HAS_CPU_SB1
                                                   >> 1924         bool
                                                   >> 1925 
                                                   >> 1926 config SYS_HAS_CPU_CAVIUM_OCTEON
                                                   >> 1927         bool
                                                   >> 1928 
                                                   >> 1929 config SYS_HAS_CPU_BMIPS
                                                   >> 1930         bool
                                                   >> 1931 
                                                   >> 1932 config SYS_HAS_CPU_BMIPS32_3300
                                                   >> 1933         bool
                                                   >> 1934         select SYS_HAS_CPU_BMIPS
                                                   >> 1935 
                                                   >> 1936 config SYS_HAS_CPU_BMIPS4350
                                                   >> 1937         bool
                                                   >> 1938         select SYS_HAS_CPU_BMIPS
                                                   >> 1939 
                                                   >> 1940 config SYS_HAS_CPU_BMIPS4380
                                                   >> 1941         bool
                                                   >> 1942         select SYS_HAS_CPU_BMIPS
                                                   >> 1943 
                                                   >> 1944 config SYS_HAS_CPU_BMIPS5000
                                                   >> 1945         bool
                                                   >> 1946         select SYS_HAS_CPU_BMIPS
                                                   >> 1947 
                                                   >> 1948 #
                                                   >> 1949 # CPU may reorder R->R, R->W, W->R, W->W
                                                   >> 1950 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
                                                   >> 1951 #
                                                   >> 1952 config WEAK_ORDERING
                                                   >> 1953         bool
                                                   >> 1954 
                                                   >> 1955 #
                                                   >> 1956 # CPU may reorder reads and writes beyond LL/SC
                                                   >> 1957 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
                                                   >> 1958 #
                                                   >> 1959 config WEAK_REORDERING_BEYOND_LLSC
                                                   >> 1960         bool
                                                   >> 1961 endmenu
                                                   >> 1962 
                                                   >> 1963 #
                                                   >> 1964 # These two indicate any level of the MIPS32 and MIPS64 architecture
                                                   >> 1965 #
                                                   >> 1966 config CPU_MIPS32
                                                   >> 1967         bool
                                                   >> 1968         default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
                                                   >> 1969                      CPU_MIPS32_R6 || CPU_P5600
                                                   >> 1970 
                                                   >> 1971 config CPU_MIPS64
                                                   >> 1972         bool
                                                   >> 1973         default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
                                                   >> 1974                      CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
                                                   >> 1975 
                                                   >> 1976 #
                                                   >> 1977 # These indicate the revision of the architecture
                                                   >> 1978 #
                                                   >> 1979 config CPU_MIPSR1
                                                   >> 1980         bool
                                                   >> 1981         default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
                                                   >> 1982 
                                                   >> 1983 config CPU_MIPSR2
                                                   >> 1984         bool
                                                   >> 1985         default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
                                                   >> 1986         select CPU_HAS_RIXI
                                                   >> 1987         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
                                                   >> 1988         select MIPS_SPRAM
                                                   >> 1989 
                                                   >> 1990 config CPU_MIPSR5
                                                   >> 1991         bool
                                                   >> 1992         default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
                                                   >> 1993         select CPU_HAS_RIXI
                                                   >> 1994         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
                                                   >> 1995         select MIPS_SPRAM
                                                   >> 1996 
                                                   >> 1997 config CPU_MIPSR6
                                                   >> 1998         bool
                                                   >> 1999         default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
                                                   >> 2000         select CPU_HAS_RIXI
                                                   >> 2001         select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
                                                   >> 2002         select HAVE_ARCH_BITREVERSE
                                                   >> 2003         select MIPS_ASID_BITS_VARIABLE
                                                   >> 2004         select MIPS_CRC_SUPPORT
                                                   >> 2005         select MIPS_SPRAM
                                                   >> 2006 
                                                   >> 2007 config TARGET_ISA_REV
                                                   >> 2008         int
                                                   >> 2009         default 1 if CPU_MIPSR1
                                                   >> 2010         default 2 if CPU_MIPSR2
                                                   >> 2011         default 5 if CPU_MIPSR5
                                                   >> 2012         default 6 if CPU_MIPSR6
                                                   >> 2013         default 0
263         help                                      2014         help
264           Specify the maximum number of NUMA N !! 2015           Reflects the ISA revision being targeted by the kernel build. This
265           system.  Increases memory reserved t !! 2016           is effectively the Kconfig equivalent of MIPS_ISA_REV.
266                                                   2017 
267 config ARCH_SPARSEMEM_ENABLE                   !! 2018 config EVA
268         def_bool y if SPARC64                  !! 2019         bool
269         select SPARSEMEM_VMEMMAP_ENABLE        << 
270                                                   2020 
271 config ARCH_SPARSEMEM_DEFAULT                  !! 2021 config XPA
272         def_bool y if SPARC64                  !! 2022         bool
                                                   >> 2023 
                                                   >> 2024 config SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 2025         bool
                                                   >> 2026 config SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 2027         bool
                                                   >> 2028 config CPU_SUPPORTS_32BIT_KERNEL
                                                   >> 2029         bool
                                                   >> 2030 config CPU_SUPPORTS_64BIT_KERNEL
                                                   >> 2031         bool
                                                   >> 2032 config CPU_SUPPORTS_CPUFREQ
                                                   >> 2033         bool
                                                   >> 2034 config CPU_SUPPORTS_ADDRWINCFG
                                                   >> 2035         bool
                                                   >> 2036 config CPU_SUPPORTS_HUGEPAGES
                                                   >> 2037         bool
                                                   >> 2038         depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
                                                   >> 2039 config CPU_SUPPORTS_VZ
                                                   >> 2040         bool
                                                   >> 2041 config MIPS_PGD_C0_CONTEXT
                                                   >> 2042         bool
                                                   >> 2043         depends on 64BIT
                                                   >> 2044         default y if (CPU_MIPSR2 || CPU_MIPSR6)
                                                   >> 2045 
                                                   >> 2046 #
                                                   >> 2047 # Set to y for ptrace access to watch registers.
                                                   >> 2048 #
                                                   >> 2049 config HARDWARE_WATCHPOINTS
                                                   >> 2050         bool
                                                   >> 2051         default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
                                                   >> 2052 
                                                   >> 2053 menu "Kernel type"
                                                   >> 2054 
                                                   >> 2055 choice
                                                   >> 2056         prompt "Kernel code model"
                                                   >> 2057         help
                                                   >> 2058           You should only select this option if you have a workload that
                                                   >> 2059           actually benefits from 64-bit processing or if your machine has
                                                   >> 2060           large memory.  You will only be presented a single option in this
                                                   >> 2061           menu if your system does not support both 32-bit and 64-bit kernels.
                                                   >> 2062 
                                                   >> 2063 config 32BIT
                                                   >> 2064         bool "32-bit kernel"
                                                   >> 2065         depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
                                                   >> 2066         select TRAD_SIGNALS
                                                   >> 2067         help
                                                   >> 2068           Select this option if you want to build a 32-bit kernel.
                                                   >> 2069 
                                                   >> 2070 config 64BIT
                                                   >> 2071         bool "64-bit kernel"
                                                   >> 2072         depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
                                                   >> 2073         help
                                                   >> 2074           Select this option if you want to build a 64-bit kernel.
                                                   >> 2075 
                                                   >> 2076 endchoice
                                                   >> 2077 
                                                   >> 2078 config MIPS_VA_BITS_48
                                                   >> 2079         bool "48 bits virtual memory"
                                                   >> 2080         depends on 64BIT
                                                   >> 2081         help
                                                   >> 2082           Support a maximum at least 48 bits of application virtual
                                                   >> 2083           memory.  Default is 40 bits or less, depending on the CPU.
                                                   >> 2084           For page sizes 16k and above, this option results in a small
                                                   >> 2085           memory overhead for page tables.  For 4k page size, a fourth
                                                   >> 2086           level of page tables is added which imposes both a memory
                                                   >> 2087           overhead as well as slower TLB fault handling.
                                                   >> 2088 
                                                   >> 2089           If unsure, say N.
                                                   >> 2090 
                                                   >> 2091 config ZBOOT_LOAD_ADDRESS
                                                   >> 2092         hex "Compressed kernel load address"
                                                   >> 2093         default 0xffffffff80400000 if BCM47XX
                                                   >> 2094         default 0x0
                                                   >> 2095         depends on SYS_SUPPORTS_ZBOOT
                                                   >> 2096         help
                                                   >> 2097           The address to load compressed kernel, aka vmlinuz.
                                                   >> 2098 
                                                   >> 2099           This is only used if non-zero.
273                                                   2100 
274 config ARCH_FORCE_MAX_ORDER                       2101 config ARCH_FORCE_MAX_ORDER
275         int "Order of maximal physically conti !! 2102         int "Maximum zone order"
276         default "12"                           !! 2103         default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
                                                   >> 2104         default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
                                                   >> 2105         default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
                                                   >> 2106         default "10"
277         help                                      2107         help
278           The kernel page allocator limits the !! 2108           The kernel memory allocator divides physically contiguous memory
279           contiguous allocations. The limit is !! 2109           blocks into "zones", where each zone is a power of two number of
280           defines the maximal power of two of  !! 2110           pages.  This option selects the largest power of two that the kernel
281           allocated as a single contiguous blo !! 2111           keeps in the memory allocator.  If you need to allocate very large
282           overriding the default setting when  !! 2112           blocks of physically contiguous memory, then you may need to
283           large blocks of physically contiguou !! 2113           increase this value.
284                                                   2114 
285           Don't change if unsure.              !! 2115           The page size is not necessarily 4KB.  Keep this in mind
                                                   >> 2116           when choosing a value for this option.
286                                                   2117 
287 if SPARC64 || COMPILE_TEST                     !! 2118 config BOARD_SCACHE
288 source "kernel/power/Kconfig"                  !! 2119         bool
289 endif                                          << 
290                                                   2120 
291 config SCHED_SMT                               !! 2121 config IP22_CPU_SCACHE
292         bool "SMT (Hyperthreading) scheduler s !! 2122         bool
293         depends on SPARC64 && SMP              !! 2123         select BOARD_SCACHE
                                                   >> 2124 
                                                   >> 2125 #
                                                   >> 2126 # Support for a MIPS32 / MIPS64 style S-caches
                                                   >> 2127 #
                                                   >> 2128 config MIPS_CPU_SCACHE
                                                   >> 2129         bool
                                                   >> 2130         select BOARD_SCACHE
                                                   >> 2131 
                                                   >> 2132 config R5000_CPU_SCACHE
                                                   >> 2133         bool
                                                   >> 2134         select BOARD_SCACHE
                                                   >> 2135 
                                                   >> 2136 config RM7000_CPU_SCACHE
                                                   >> 2137         bool
                                                   >> 2138         select BOARD_SCACHE
                                                   >> 2139 
                                                   >> 2140 config SIBYTE_DMA_PAGEOPS
                                                   >> 2141         bool "Use DMA to clear/copy pages"
                                                   >> 2142         depends on CPU_SB1
                                                   >> 2143         help
                                                   >> 2144           Instead of using the CPU to zero and copy pages, use a Data Mover
                                                   >> 2145           channel.  These DMA channels are otherwise unused by the standard
                                                   >> 2146           SiByte Linux port.  Seems to give a small performance benefit.
                                                   >> 2147 
                                                   >> 2148 config CPU_HAS_PREFETCH
                                                   >> 2149         bool
                                                   >> 2150 
                                                   >> 2151 config CPU_GENERIC_DUMP_TLB
                                                   >> 2152         bool
                                                   >> 2153         default y if !CPU_R3000
                                                   >> 2154 
                                                   >> 2155 config MIPS_FP_SUPPORT
                                                   >> 2156         bool "Floating Point support" if EXPERT
294         default y                                 2157         default y
295         help                                      2158         help
296           SMT scheduler support improves the C !! 2159           Select y to include support for floating point in the kernel
297           when dealing with SPARC cpus at a co !! 2160           including initialization of FPU hardware, FP context save & restore
298           in some places. If unsure say N here !! 2161           and emulation of an FPU where necessary. Without this support any
                                                   >> 2162           userland program attempting to use floating point instructions will
                                                   >> 2163           receive a SIGILL.
                                                   >> 2164 
                                                   >> 2165           If you know that your userland will not attempt to use floating point
                                                   >> 2166           instructions then you can say n here to shrink the kernel a little.
                                                   >> 2167 
                                                   >> 2168           If unsure, say y.
                                                   >> 2169 
                                                   >> 2170 config CPU_R2300_FPU
                                                   >> 2171         bool
                                                   >> 2172         depends on MIPS_FP_SUPPORT
                                                   >> 2173         default y if CPU_R3000
                                                   >> 2174 
                                                   >> 2175 config CPU_R3K_TLB
                                                   >> 2176         bool
                                                   >> 2177 
                                                   >> 2178 config CPU_R4K_FPU
                                                   >> 2179         bool
                                                   >> 2180         depends on MIPS_FP_SUPPORT
                                                   >> 2181         default y if !CPU_R2300_FPU
                                                   >> 2182 
                                                   >> 2183 config CPU_R4K_CACHE_TLB
                                                   >> 2184         bool
                                                   >> 2185         default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
299                                                   2186 
300 config SCHED_MC                                !! 2187 config MIPS_MT_SMP
301         bool "Multi-core scheduler support"    !! 2188         bool "MIPS MT SMP support (1 TC on each available VPE)"
302         depends on SPARC64 && SMP              << 
303         default y                                 2189         default y
                                                   >> 2190         depends on TARGET_ISA_REV > 0 && TARGET_ISA_REV < 6
                                                   >> 2191         depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MICROMIPS
                                                   >> 2192         select CPU_MIPSR2_IRQ_VI
                                                   >> 2193         select CPU_MIPSR2_IRQ_EI
                                                   >> 2194         select SYNC_R4K
                                                   >> 2195         select MIPS_MT
                                                   >> 2196         select SMP
                                                   >> 2197         select SMP_UP
                                                   >> 2198         select SYS_SUPPORTS_SMP
                                                   >> 2199         select SYS_SUPPORTS_SCHED_SMT
                                                   >> 2200         select MIPS_PERF_SHARED_TC_COUNTERS
304         help                                      2201         help
305           Multi-core scheduler support improve !! 2202           This is a kernel model which is known as SMVP. This is supported
306           making when dealing with multi-core  !! 2203           on cores with the MT ASE and uses the available VPEs to implement
307           increased overhead in some places. I !! 2204           virtual processors which supports SMP. This is equivalent to the
                                                   >> 2205           Intel Hyperthreading feature. For further information go to
                                                   >> 2206           <http://www.imgtec.com/mips/mips-multithreading.asp>.
308                                                   2207 
309 config CMDLINE_BOOL                            !! 2208 config MIPS_MT
310         bool "Default bootloader kernel argume !! 2209         bool
311         depends on SPARC64                     << 
312                                                   2210 
313 config CMDLINE                                 !! 2211 config SCHED_SMT
314         string "Initial kernel command string" !! 2212         bool "SMT (multithreading) scheduler support"
315         depends on CMDLINE_BOOL                !! 2213         depends on SYS_SUPPORTS_SCHED_SMT
316         default "console=ttyS0,9600 root=/dev/ !! 2214         default n
317         help                                      2215         help
318           Say Y here if you want to be able to !! 2216           SMT scheduler support improves the CPU scheduler's decision making
319           the kernel. This will be overridden  !! 2217           when dealing with MIPS MT enabled cores at a cost of slightly
320           use one (such as SILO). This is most !! 2218           increased overhead in some places. If unsure say N here.
321           a kernel from TFTP, and want default << 
322           with having them passed on the comma << 
323                                                   2219 
324           NOTE: This option WILL override the  !! 2220 config SYS_SUPPORTS_SCHED_SMT
                                                   >> 2221         bool
325                                                   2222 
326 config SUN_PM                                  !! 2223 config SYS_SUPPORTS_MULTITHREADING
327         bool                                      2224         bool
328         default y if SPARC32                   !! 2225 
                                                   >> 2226 config MIPS_MT_FPAFF
                                                   >> 2227         bool "Dynamic FPU affinity for FP-intensive threads"
                                                   >> 2228         default y
                                                   >> 2229         depends on MIPS_MT_SMP
                                                   >> 2230 
                                                   >> 2231 config MIPSR2_TO_R6_EMULATOR
                                                   >> 2232         bool "MIPS R2-to-R6 emulator"
                                                   >> 2233         depends on CPU_MIPSR6
                                                   >> 2234         depends on MIPS_FP_SUPPORT
                                                   >> 2235         default y
                                                   >> 2236         help
                                                   >> 2237           Choose this option if you want to run non-R6 MIPS userland code.
                                                   >> 2238           Even if you say 'Y' here, the emulator will still be disabled by
                                                   >> 2239           default. You can enable it using the 'mipsr2emu' kernel option.
                                                   >> 2240           The only reason this is a build-time option is to save ~14K from the
                                                   >> 2241           final kernel image.
                                                   >> 2242 
                                                   >> 2243 config SYS_SUPPORTS_VPE_LOADER
                                                   >> 2244         bool
                                                   >> 2245         depends on SYS_SUPPORTS_MULTITHREADING
329         help                                      2246         help
330           Enable power management and CPU stan !! 2247           Indicates that the platform supports the VPE loader, and provides
331           SPARC platforms.                     !! 2248           physical_memsize.
332                                                   2249 
333 config SPARC_LED                               !! 2250 config MIPS_VPE_LOADER
334         tristate "Sun4m LED driver"            !! 2251         bool "VPE loader support."
335         depends on SPARC32                     !! 2252         depends on SYS_SUPPORTS_VPE_LOADER && MODULES
                                                   >> 2253         select CPU_MIPSR2_IRQ_VI
                                                   >> 2254         select CPU_MIPSR2_IRQ_EI
                                                   >> 2255         select MIPS_MT
336         help                                      2256         help
337           This driver toggles the front-panel  !! 2257           Includes a loader for loading an elf relocatable object
338           in a user-specifiable manner.  Its s !! 2258           onto another VPE and running it.
339           by reading /proc/led and its blinkin << 
340           via writes to /proc/led              << 
341                                                   2259 
342 config SERIAL_CONSOLE                          !! 2260 config MIPS_VPE_LOADER_MT
343         bool                                      2261         bool
344         depends on SPARC32                     !! 2262         default "y"
                                                   >> 2263         depends on MIPS_VPE_LOADER
                                                   >> 2264 
                                                   >> 2265 config MIPS_VPE_LOADER_TOM
                                                   >> 2266         bool "Load VPE program into memory hidden from linux"
                                                   >> 2267         depends on MIPS_VPE_LOADER
345         default y                                 2268         default y
346         help                                      2269         help
347           If you say Y here, it will be possib !! 2270           The loader can use memory that is present but has been hidden from
348           system console (the system console i !! 2271           Linux using the kernel command line option "mem=xxMB". It's up to
349           kernel messages and warnings and whi !! 2272           you to ensure the amount you put in the option and the space your
350           mode). This could be useful if some  !! 2273           program requires is less or equal to the amount physically present.
351           to that serial port.                 << 
352                                                << 
353           Even if you say Y here, the currentl << 
354           (/dev/tty0) will still be used as th << 
355           you can alter that using a kernel co << 
356           "console=ttyS1". (Try "man bootparam << 
357           your boot loader (silo) about how to << 
358           boot time.)                          << 
359                                                   2274 
360           If you don't have a graphics card in !! 2275 config MIPS_VPE_APSP_API
361           kernel will automatically use the fi !! 2276         bool "Enable support for AP/SP API (RTLX)"
362           system console.                      !! 2277         depends on MIPS_VPE_LOADER
363                                                   2278 
364           If unsure, say N.                    !! 2279 config MIPS_VPE_APSP_API_MT
                                                   >> 2280         bool
                                                   >> 2281         default "y"
                                                   >> 2282         depends on MIPS_VPE_APSP_API
365                                                   2283 
366 config SPARC_LEON                              !! 2284 config MIPS_CPS
367         bool "Sparc Leon processor family"     !! 2285         bool "MIPS Coherent Processing System support"
368         depends on SPARC32                     !! 2286         depends on SYS_SUPPORTS_MIPS_CPS
369         select USB_EHCI_BIG_ENDIAN_MMIO        !! 2287         select MIPS_CM
370         select USB_EHCI_BIG_ENDIAN_DESC        !! 2288         select MIPS_CPS_PM if HOTPLUG_CPU
371         select USB_UHCI_BIG_ENDIAN_MMIO        !! 2289         select SMP
372         select USB_UHCI_BIG_ENDIAN_DESC        !! 2290         select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU
373         help                                   !! 2291         select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
374           If you say Y here if you are running !! 2292         select SYS_SUPPORTS_HOTPLUG_CPU
375           The LEON processor is a synthesizabl !! 2293         select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
376           SPARC-v8 standard. LEON is  part of  !! 2294         select SYS_SUPPORTS_SMP
377           IP cores that are distributed under  !! 2295         select WEAK_ORDERING
378           from www.gaisler.com. You can downlo !! 2296         select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
379           toolchain at www.gaisler.com.        << 
380                                                << 
381 if SPARC_LEON                                  << 
382 menu "U-Boot options"                          << 
383                                                << 
384 config UBOOT_LOAD_ADDR                         << 
385         hex "uImage Load Address"              << 
386         default 0x40004000                     << 
387         help                                   << 
388          U-Boot kernel load address, the addre << 
389          where u-boot will place the Linux ker << 
390          This address is normally the base add << 
391                                                << 
392 config UBOOT_FLASH_ADDR                        << 
393         hex "uImage.o Load Address"            << 
394         default 0x00080000                     << 
395         help                                   << 
396          Optional setting only affecting the u << 
397          download the uImage file to the targe << 
398          U-Boot. It may for example be used to << 
399          the GRMON utility before even startin << 
400                                                << 
401 config UBOOT_ENTRY_ADDR                        << 
402         hex "uImage Entry Address"             << 
403         default 0xf0004000                     << 
404         help                                      2297         help
405          Do not change this unless you know wh !! 2298           Select this if you wish to run an SMP kernel across multiple cores
406          hardcoded by the SPARC32 and LEON por !! 2299           within a MIPS Coherent Processing System. When this option is
                                                   >> 2300           enabled the kernel will probe for other cores and boot them with
                                                   >> 2301           no external assistance. It is safe to enable this when hardware
                                                   >> 2302           support is unavailable.
407                                                   2303 
408          This is the virtual address u-boot ju !! 2304 config MIPS_CPS_PM
409          Kernel.                               !! 2305         depends on MIPS_CPS
                                                   >> 2306         bool
410                                                   2307 
411 endmenu                                        !! 2308 config MIPS_CM
412 endif                                          !! 2309         bool
                                                   >> 2310         select MIPS_CPC
413                                                   2311 
414 endmenu                                        !! 2312 config MIPS_CPC
                                                   >> 2313         bool
415                                                   2314 
416 menu "Bus options (PCI etc.)"                  !! 2315 config SB1_PASS_2_WORKAROUNDS
417 config SBUS                                    << 
418         bool                                      2316         bool
                                                   >> 2317         depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
419         default y                                 2318         default y
420                                                   2319 
421 config SBUSCHAR                                !! 2320 config SB1_PASS_2_1_WORKAROUNDS
422         bool                                      2321         bool
                                                   >> 2322         depends on CPU_SB1 && CPU_SB1_PASS_2
423         default y                                 2323         default y
424                                                   2324 
425 config SUN_LDOMS                               !! 2325 choice
426         bool "Sun Logical Domains support"     !! 2326         prompt "SmartMIPS or microMIPS ASE support"
427         depends on SPARC64                     !! 2327 
                                                   >> 2328 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
                                                   >> 2329         bool "None"
                                                   >> 2330         help
                                                   >> 2331           Select this if you want neither microMIPS nor SmartMIPS support
                                                   >> 2332 
                                                   >> 2333 config CPU_HAS_SMARTMIPS
                                                   >> 2334         depends on SYS_SUPPORTS_SMARTMIPS
                                                   >> 2335         bool "SmartMIPS"
                                                   >> 2336         help
                                                   >> 2337           SmartMIPS is a extension of the MIPS32 architecture aimed at
                                                   >> 2338           increased security at both hardware and software level for
                                                   >> 2339           smartcards.  Enabling this option will allow proper use of the
                                                   >> 2340           SmartMIPS instructions by Linux applications.  However a kernel with
                                                   >> 2341           this option will not work on a MIPS core without SmartMIPS core.  If
                                                   >> 2342           you don't know you probably don't have SmartMIPS and should say N
                                                   >> 2343           here.
                                                   >> 2344 
                                                   >> 2345 config CPU_MICROMIPS
                                                   >> 2346         depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
                                                   >> 2347         bool "microMIPS"
                                                   >> 2348         help
                                                   >> 2349           When this option is enabled the kernel will be built using the
                                                   >> 2350           microMIPS ISA
                                                   >> 2351 
                                                   >> 2352 endchoice
                                                   >> 2353 
                                                   >> 2354 config CPU_HAS_MSA
                                                   >> 2355         bool "Support for the MIPS SIMD Architecture"
                                                   >> 2356         depends on CPU_SUPPORTS_MSA
                                                   >> 2357         depends on MIPS_FP_SUPPORT
                                                   >> 2358         depends on 64BIT || MIPS_O32_FP64_SUPPORT
428         help                                      2359         help
429           Say Y here is you want to support vi !! 2360           MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
430           Logical Domains.                     !! 2361           and a set of SIMD instructions to operate on them. When this option
                                                   >> 2362           is enabled the kernel will support allocating & switching MSA
                                                   >> 2363           vector register contexts. If you know that your kernel will only be
                                                   >> 2364           running on CPUs which do not support MSA or that your userland will
                                                   >> 2365           not be making use of it then you may wish to say N here to reduce
                                                   >> 2366           the size & complexity of your kernel.
                                                   >> 2367 
                                                   >> 2368           If unsure, say Y.
431                                                   2369 
432 config PCIC_PCI                                !! 2370 config CPU_HAS_WB
433         bool                                      2371         bool
434         depends on PCI && SPARC32 && !SPARC_LE << 
435         default y                              << 
436                                                   2372 
437 config LEON_PCI                                !! 2373 config XKS01
                                                   >> 2374         bool
                                                   >> 2375 
                                                   >> 2376 config CPU_HAS_DIEI
                                                   >> 2377         depends on !CPU_DIEI_BROKEN
                                                   >> 2378         bool
                                                   >> 2379 
                                                   >> 2380 config CPU_DIEI_BROKEN
                                                   >> 2381         bool
                                                   >> 2382 
                                                   >> 2383 config CPU_HAS_RIXI
                                                   >> 2384         bool
                                                   >> 2385 
                                                   >> 2386 config CPU_NO_LOAD_STORE_LR
                                                   >> 2387         bool
                                                   >> 2388         help
                                                   >> 2389           CPU lacks support for unaligned load and store instructions:
                                                   >> 2390           LWL, LWR, SWL, SWR (Load/store word left/right).
                                                   >> 2391           LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
                                                   >> 2392           systems).
                                                   >> 2393 
                                                   >> 2394 #
                                                   >> 2395 # Vectored interrupt mode is an R2 feature
                                                   >> 2396 #
                                                   >> 2397 config CPU_MIPSR2_IRQ_VI
438         bool                                      2398         bool
439         depends on PCI && SPARC_LEON           !! 2399 
                                                   >> 2400 #
                                                   >> 2401 # Extended interrupt mode is an R2 feature
                                                   >> 2402 #
                                                   >> 2403 config CPU_MIPSR2_IRQ_EI
                                                   >> 2404         bool
                                                   >> 2405 
                                                   >> 2406 config CPU_HAS_SYNC
                                                   >> 2407         bool
                                                   >> 2408         depends on !CPU_R3000
440         default y                                 2409         default y
441                                                   2410 
442 config SPARC_GRPCI1                            !! 2411 #
443         bool "GRPCI Host Bridge Support"       !! 2412 # CPU non-features
444         depends on LEON_PCI                    !! 2413 #
                                                   >> 2414 
                                                   >> 2415 # Work around the "daddi" and "daddiu" CPU errata:
                                                   >> 2416 #
                                                   >> 2417 # - The `daddi' instruction fails to trap on overflow.
                                                   >> 2418 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
                                                   >> 2419 #   erratum #23
                                                   >> 2420 #
                                                   >> 2421 # - The `daddiu' instruction can produce an incorrect result.
                                                   >> 2422 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
                                                   >> 2423 #   erratum #41
                                                   >> 2424 #   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
                                                   >> 2425 #   #15
                                                   >> 2426 #   "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
                                                   >> 2427 #   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
                                                   >> 2428 config CPU_DADDI_WORKAROUNDS
                                                   >> 2429         bool
                                                   >> 2430 
                                                   >> 2431 # Work around certain R4000 CPU errata (as implemented by GCC):
                                                   >> 2432 #
                                                   >> 2433 # - A double-word or a variable shift may give an incorrect result
                                                   >> 2434 #   if executed immediately after starting an integer division:
                                                   >> 2435 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
                                                   >> 2436 #   erratum #28
                                                   >> 2437 #   "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
                                                   >> 2438 #   #19
                                                   >> 2439 #
                                                   >> 2440 # - A double-word or a variable shift may give an incorrect result
                                                   >> 2441 #   if executed while an integer multiplication is in progress:
                                                   >> 2442 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
                                                   >> 2443 #   errata #16 & #28
                                                   >> 2444 #
                                                   >> 2445 # - An integer division may give an incorrect result if started in
                                                   >> 2446 #   a delay slot of a taken branch or a jump:
                                                   >> 2447 #   "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
                                                   >> 2448 #   erratum #52
                                                   >> 2449 config CPU_R4000_WORKAROUNDS
                                                   >> 2450         bool
                                                   >> 2451         select CPU_R4400_WORKAROUNDS
                                                   >> 2452 
                                                   >> 2453 # Work around certain R4400 CPU errata (as implemented by GCC):
                                                   >> 2454 #
                                                   >> 2455 # - A double-word or a variable shift may give an incorrect result
                                                   >> 2456 #   if executed immediately after starting an integer division:
                                                   >> 2457 #   "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
                                                   >> 2458 #   "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
                                                   >> 2459 config CPU_R4400_WORKAROUNDS
                                                   >> 2460         bool
                                                   >> 2461 
                                                   >> 2462 config CPU_R4X00_BUGS64
                                                   >> 2463         bool
                                                   >> 2464         default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
                                                   >> 2465 
                                                   >> 2466 config MIPS_ASID_SHIFT
                                                   >> 2467         int
                                                   >> 2468         default 6 if CPU_R3000
                                                   >> 2469         default 0
                                                   >> 2470 
                                                   >> 2471 config MIPS_ASID_BITS
                                                   >> 2472         int
                                                   >> 2473         default 0 if MIPS_ASID_BITS_VARIABLE
                                                   >> 2474         default 6 if CPU_R3000
                                                   >> 2475         default 8
                                                   >> 2476 
                                                   >> 2477 config MIPS_ASID_BITS_VARIABLE
                                                   >> 2478         bool
                                                   >> 2479 
                                                   >> 2480 config MIPS_CRC_SUPPORT
                                                   >> 2481         bool
                                                   >> 2482 
                                                   >> 2483 # R4600 erratum.  Due to the lack of errata information the exact
                                                   >> 2484 # technical details aren't known.  I've experimentally found that disabling
                                                   >> 2485 # interrupts during indexed I-cache flushes seems to be sufficient to deal
                                                   >> 2486 # with the issue.
                                                   >> 2487 config WAR_R4600_V1_INDEX_ICACHEOP
                                                   >> 2488         bool
                                                   >> 2489 
                                                   >> 2490 # Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
                                                   >> 2491 #
                                                   >> 2492 #  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
                                                   >> 2493 #      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
                                                   >> 2494 #      executed if there is no other dcache activity. If the dcache is
                                                   >> 2495 #      accessed for another instruction immediately preceding when these
                                                   >> 2496 #      cache instructions are executing, it is possible that the dcache
                                                   >> 2497 #      tag match outputs used by these cache instructions will be
                                                   >> 2498 #      incorrect. These cache instructions should be preceded by at least
                                                   >> 2499 #      four instructions that are not any kind of load or store
                                                   >> 2500 #      instruction.
                                                   >> 2501 #
                                                   >> 2502 #      This is not allowed:    lw
                                                   >> 2503 #                              nop
                                                   >> 2504 #                              nop
                                                   >> 2505 #                              nop
                                                   >> 2506 #                              cache       Hit_Writeback_Invalidate_D
                                                   >> 2507 #
                                                   >> 2508 #      This is allowed:        lw
                                                   >> 2509 #                              nop
                                                   >> 2510 #                              nop
                                                   >> 2511 #                              nop
                                                   >> 2512 #                              nop
                                                   >> 2513 #                              cache       Hit_Writeback_Invalidate_D
                                                   >> 2514 config WAR_R4600_V1_HIT_CACHEOP
                                                   >> 2515         bool
                                                   >> 2516 
                                                   >> 2517 # Writeback and invalidate the primary cache dcache before DMA.
                                                   >> 2518 #
                                                   >> 2519 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
                                                   >> 2520 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
                                                   >> 2521 # operate correctly if the internal data cache refill buffer is empty.  These
                                                   >> 2522 # CACHE instructions should be separated from any potential data cache miss
                                                   >> 2523 # by a load instruction to an uncached address to empty the response buffer."
                                                   >> 2524 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
                                                   >> 2525 # in .pdf format.)
                                                   >> 2526 config WAR_R4600_V2_HIT_CACHEOP
                                                   >> 2527         bool
                                                   >> 2528 
                                                   >> 2529 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
                                                   >> 2530 # the line which this instruction itself exists, the following
                                                   >> 2531 # operation is not guaranteed."
                                                   >> 2532 #
                                                   >> 2533 # Workaround: do two phase flushing for Index_Invalidate_I
                                                   >> 2534 config WAR_TX49XX_ICACHE_INDEX_INV
                                                   >> 2535         bool
                                                   >> 2536 
                                                   >> 2537 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
                                                   >> 2538 # opposes it being called that) where invalid instructions in the same
                                                   >> 2539 # I-cache line worth of instructions being fetched may case spurious
                                                   >> 2540 # exceptions.
                                                   >> 2541 config WAR_ICACHE_REFILLS
                                                   >> 2542         bool
                                                   >> 2543 
                                                   >> 2544 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
                                                   >> 2545 # may cause ll / sc and lld / scd sequences to execute non-atomically.
                                                   >> 2546 config WAR_R10000_LLSC
                                                   >> 2547         bool
                                                   >> 2548 
                                                   >> 2549 # 34K core erratum: "Problems Executing the TLBR Instruction"
                                                   >> 2550 config WAR_MIPS34K_MISSED_ITLB
                                                   >> 2551         bool
                                                   >> 2552 
                                                   >> 2553 #
                                                   >> 2554 # - Highmem only makes sense for the 32-bit kernel.
                                                   >> 2555 # - The current highmem code will only work properly on physically indexed
                                                   >> 2556 #   caches such as R3000, SB1, R7000 or those that look like they're virtually
                                                   >> 2557 #   indexed such as R4000/R4400 SC and MC versions or R10000.  So for the
                                                   >> 2558 #   moment we protect the user and offer the highmem option only on machines
                                                   >> 2559 #   where it's known to be safe.  This will not offer highmem on a few systems
                                                   >> 2560 #   such as MIPS32 and MIPS64 CPUs which may have virtual and physically
                                                   >> 2561 #   indexed CPUs but we're playing safe.
                                                   >> 2562 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
                                                   >> 2563 #   know they might have memory configurations that could make use of highmem
                                                   >> 2564 #   support.
                                                   >> 2565 #
                                                   >> 2566 config HIGHMEM
                                                   >> 2567         bool "High Memory Support"
                                                   >> 2568         depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
                                                   >> 2569         select KMAP_LOCAL
                                                   >> 2570 
                                                   >> 2571 config CPU_SUPPORTS_HIGHMEM
                                                   >> 2572         bool
                                                   >> 2573 
                                                   >> 2574 config SYS_SUPPORTS_HIGHMEM
                                                   >> 2575         bool
                                                   >> 2576 
                                                   >> 2577 config SYS_SUPPORTS_SMARTMIPS
                                                   >> 2578         bool
                                                   >> 2579 
                                                   >> 2580 config SYS_SUPPORTS_MICROMIPS
                                                   >> 2581         bool
                                                   >> 2582 
                                                   >> 2583 config SYS_SUPPORTS_MIPS16
                                                   >> 2584         bool
                                                   >> 2585         help
                                                   >> 2586           This option must be set if a kernel might be executed on a MIPS16-
                                                   >> 2587           enabled CPU even if MIPS16 is not actually being used.  In other
                                                   >> 2588           words, it makes the kernel MIPS16-tolerant.
                                                   >> 2589 
                                                   >> 2590 config CPU_SUPPORTS_MSA
                                                   >> 2591         bool
                                                   >> 2592 
                                                   >> 2593 config ARCH_FLATMEM_ENABLE
                                                   >> 2594         def_bool y
                                                   >> 2595         depends on !NUMA && !CPU_LOONGSON2EF
                                                   >> 2596 
                                                   >> 2597 config ARCH_SPARSEMEM_ENABLE
                                                   >> 2598         bool
                                                   >> 2599 
                                                   >> 2600 config NUMA
                                                   >> 2601         bool "NUMA Support"
                                                   >> 2602         depends on SYS_SUPPORTS_NUMA
                                                   >> 2603         select SMP
                                                   >> 2604         select HAVE_SETUP_PER_CPU_AREA
                                                   >> 2605         select NEED_PER_CPU_EMBED_FIRST_CHUNK
                                                   >> 2606         help
                                                   >> 2607           Say Y to compile the kernel to support NUMA (Non-Uniform Memory
                                                   >> 2608           Access).  This option improves performance on systems with more
                                                   >> 2609           than two nodes; on two node systems it is generally better to
                                                   >> 2610           leave it disabled; on single node systems leave this option
                                                   >> 2611           disabled.
                                                   >> 2612 
                                                   >> 2613 config SYS_SUPPORTS_NUMA
                                                   >> 2614         bool
                                                   >> 2615 
                                                   >> 2616 config HAVE_ARCH_NODEDATA_EXTENSION
                                                   >> 2617         bool
                                                   >> 2618 
                                                   >> 2619 config RELOCATABLE
                                                   >> 2620         bool "Relocatable kernel"
                                                   >> 2621         depends on SYS_SUPPORTS_RELOCATABLE
                                                   >> 2622         depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
                                                   >> 2623                    CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
                                                   >> 2624                    CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
                                                   >> 2625                    CPU_P5600 || CAVIUM_OCTEON_SOC || \
                                                   >> 2626                    CPU_LOONGSON64
                                                   >> 2627         help
                                                   >> 2628           This builds a kernel image that retains relocation information
                                                   >> 2629           so it can be loaded someplace besides the default 1MB.
                                                   >> 2630           The relocations make the kernel binary about 15% larger,
                                                   >> 2631           but are discarded at runtime
                                                   >> 2632 
                                                   >> 2633 config RELOCATION_TABLE_SIZE
                                                   >> 2634         hex "Relocation table size"
                                                   >> 2635         depends on RELOCATABLE
                                                   >> 2636         range 0x0 0x01000000
                                                   >> 2637         default "0x00200000" if CPU_LOONGSON64
                                                   >> 2638         default "0x00100000"
                                                   >> 2639         help
                                                   >> 2640           A table of relocation data will be appended to the kernel binary
                                                   >> 2641           and parsed at boot to fix up the relocated kernel.
                                                   >> 2642 
                                                   >> 2643           This option allows the amount of space reserved for the table to be
                                                   >> 2644           adjusted, although the default of 1Mb should be ok in most cases.
                                                   >> 2645 
                                                   >> 2646           The build will fail and a valid size suggested if this is too small.
                                                   >> 2647 
                                                   >> 2648           If unsure, leave at the default value.
                                                   >> 2649 
                                                   >> 2650 config RANDOMIZE_BASE
                                                   >> 2651         bool "Randomize the address of the kernel image"
                                                   >> 2652         depends on RELOCATABLE
                                                   >> 2653         help
                                                   >> 2654           Randomizes the physical and virtual address at which the
                                                   >> 2655           kernel image is loaded, as a security feature that
                                                   >> 2656           deters exploit attempts relying on knowledge of the location
                                                   >> 2657           of kernel internals.
                                                   >> 2658 
                                                   >> 2659           Entropy is generated using any coprocessor 0 registers available.
                                                   >> 2660 
                                                   >> 2661           The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
                                                   >> 2662 
                                                   >> 2663           If unsure, say N.
                                                   >> 2664 
                                                   >> 2665 config RANDOMIZE_BASE_MAX_OFFSET
                                                   >> 2666         hex "Maximum kASLR offset" if EXPERT
                                                   >> 2667         depends on RANDOMIZE_BASE
                                                   >> 2668         range 0x0 0x40000000 if EVA || 64BIT
                                                   >> 2669         range 0x0 0x08000000
                                                   >> 2670         default "0x01000000"
                                                   >> 2671         help
                                                   >> 2672           When kASLR is active, this provides the maximum offset that will
                                                   >> 2673           be applied to the kernel image. It should be set according to the
                                                   >> 2674           amount of physical RAM available in the target system minus
                                                   >> 2675           PHYSICAL_START and must be a power of 2.
                                                   >> 2676 
                                                   >> 2677           This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
                                                   >> 2678           EVA or 64-bit. The default is 16Mb.
                                                   >> 2679 
                                                   >> 2680 config NODES_SHIFT
                                                   >> 2681         int
                                                   >> 2682         default "6"
                                                   >> 2683         depends on NUMA
                                                   >> 2684 
                                                   >> 2685 config HW_PERF_EVENTS
                                                   >> 2686         bool "Enable hardware performance counter support for perf events"
                                                   >> 2687         depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
445         default y                                 2688         default y
446         help                                      2689         help
447           Say Y here to include the GRPCI Host !! 2690           Enable hardware performance counter support for perf events. If
448           PCI host controller is typically fou !! 2691           disabled, perf events will use software events only.
449           systems. The driver has one property << 
450           from the bootloader that makes the G << 
451           on detected PCI Parity and System er << 
452                                                   2692 
453 config SPARC_GRPCI2                            !! 2693 config DMI
454         bool "GRPCI2 Host Bridge Support"      !! 2694         bool "Enable DMI scanning"
455         depends on LEON_PCI                    !! 2695         depends on MACH_LOONGSON64
                                                   >> 2696         select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
456         default y                                 2697         default y
457         help                                      2698         help
458           Say Y here to include the GRPCI2 Hos !! 2699           Enabled scanning of DMI to identify machine quirks. Say Y
                                                   >> 2700           here unless you have verified that your setup is not
                                                   >> 2701           affected by entries in the DMI blacklist. Required by PNP
                                                   >> 2702           BIOS code.
459                                                   2703 
460 config SUN_OPENPROMFS                          !! 2704 config SMP
461         tristate "Openprom tree appears in /pr !! 2705         bool "Multi-Processing support"
                                                   >> 2706         depends on SYS_SUPPORTS_SMP
462         help                                      2707         help
463           If you say Y, the OpenPROM device tr !! 2708           This enables support for systems with more than one CPU. If you have
464           virtual file system, which you can m !! 2709           a system with only one CPU, say N. If you have a system with more
465           -t openpromfs none /proc/openprom".  !! 2710           than one CPU, say Y.
                                                   >> 2711 
                                                   >> 2712           If you say N here, the kernel will run on uni- and multiprocessor
                                                   >> 2713           machines, but will use only one CPU of a multiprocessor machine. If
                                                   >> 2714           you say Y here, the kernel will run on many, but not all,
                                                   >> 2715           uniprocessor machines. On a uniprocessor machine, the kernel
                                                   >> 2716           will run faster if you say N here.
                                                   >> 2717 
                                                   >> 2718           People using multiprocessor machines who say Y here should also say
                                                   >> 2719           Y to "Enhanced Real Time Clock Support", below.
                                                   >> 2720 
                                                   >> 2721           See also the SMP-HOWTO available at
                                                   >> 2722           <https://www.tldp.org/docs.html#howto>.
                                                   >> 2723 
                                                   >> 2724           If you don't know what to do here, say N.
                                                   >> 2725 
                                                   >> 2726 config HOTPLUG_CPU
                                                   >> 2727         bool "Support for hot-pluggable CPUs"
                                                   >> 2728         depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
                                                   >> 2729         help
                                                   >> 2730           Say Y here to allow turning CPUs off and on. CPUs can be
                                                   >> 2731           controlled through /sys/devices/system/cpu.
                                                   >> 2732           (Note: power management support will enable this option
                                                   >> 2733             automatically on SMP systems. )
                                                   >> 2734           Say N if you want to disable CPU hotplug.
                                                   >> 2735 
                                                   >> 2736 config SMP_UP
                                                   >> 2737         bool
                                                   >> 2738 
                                                   >> 2739 config SYS_SUPPORTS_MIPS_CPS
                                                   >> 2740         bool
                                                   >> 2741 
                                                   >> 2742 config SYS_SUPPORTS_SMP
                                                   >> 2743         bool
                                                   >> 2744 
                                                   >> 2745 config NR_CPUS_DEFAULT_4
                                                   >> 2746         bool
                                                   >> 2747 
                                                   >> 2748 config NR_CPUS_DEFAULT_8
                                                   >> 2749         bool
                                                   >> 2750 
                                                   >> 2751 config NR_CPUS_DEFAULT_16
                                                   >> 2752         bool
                                                   >> 2753 
                                                   >> 2754 config NR_CPUS_DEFAULT_32
                                                   >> 2755         bool
                                                   >> 2756 
                                                   >> 2757 config NR_CPUS_DEFAULT_64
                                                   >> 2758         bool
                                                   >> 2759 
                                                   >> 2760 config NR_CPUS
                                                   >> 2761         int "Maximum number of CPUs (2-256)"
                                                   >> 2762         range 2 256
                                                   >> 2763         depends on SMP
                                                   >> 2764         default "4" if NR_CPUS_DEFAULT_4
                                                   >> 2765         default "8" if NR_CPUS_DEFAULT_8
                                                   >> 2766         default "16" if NR_CPUS_DEFAULT_16
                                                   >> 2767         default "32" if NR_CPUS_DEFAULT_32
                                                   >> 2768         default "64" if NR_CPUS_DEFAULT_64
                                                   >> 2769         help
                                                   >> 2770           This allows you to specify the maximum number of CPUs which this
                                                   >> 2771           kernel will support.  The maximum supported value is 32 for 32-bit
                                                   >> 2772           kernel and 64 for 64-bit kernels; the minimum value which makes
                                                   >> 2773           sense is 1 for Qemu (useful only for kernel debugging purposes)
                                                   >> 2774           and 2 for all others.
                                                   >> 2775 
                                                   >> 2776           This is purely to save memory - each supported CPU adds
                                                   >> 2777           approximately eight kilobytes to the kernel image.  For best
                                                   >> 2778           performance should round up your number of processors to the next
                                                   >> 2779           power of two.
                                                   >> 2780 
                                                   >> 2781 config MIPS_PERF_SHARED_TC_COUNTERS
                                                   >> 2782         bool
                                                   >> 2783 
                                                   >> 2784 config MIPS_NR_CPU_NR_MAP_1024
                                                   >> 2785         bool
                                                   >> 2786 
                                                   >> 2787 config MIPS_NR_CPU_NR_MAP
                                                   >> 2788         int
                                                   >> 2789         depends on SMP
                                                   >> 2790         default 1024 if MIPS_NR_CPU_NR_MAP_1024
                                                   >> 2791         default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
                                                   >> 2792 
                                                   >> 2793 #
                                                   >> 2794 # Timer Interrupt Frequency Configuration
                                                   >> 2795 #
                                                   >> 2796 
                                                   >> 2797 choice
                                                   >> 2798         prompt "Timer frequency"
                                                   >> 2799         default HZ_250
                                                   >> 2800         help
                                                   >> 2801           Allows the configuration of the timer frequency.
                                                   >> 2802 
                                                   >> 2803         config HZ_24
                                                   >> 2804                 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
                                                   >> 2805 
                                                   >> 2806         config HZ_48
                                                   >> 2807                 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
                                                   >> 2808 
                                                   >> 2809         config HZ_100
                                                   >> 2810                 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
                                                   >> 2811 
                                                   >> 2812         config HZ_128
                                                   >> 2813                 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
                                                   >> 2814 
                                                   >> 2815         config HZ_250
                                                   >> 2816                 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
466                                                   2817 
467           To compile the /proc/openprom suppor !! 2818         config HZ_256
468           module will be called openpromfs.    !! 2819                 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
469                                                   2820 
470           Only choose N if you know in advance !! 2821         config HZ_1000
471           OpenPROM settings on the running sys !! 2822                 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
472                                                   2823 
473 # Makefile helpers                             !! 2824         config HZ_1024
474 config SPARC64_PCI                             !! 2825                 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
                                                   >> 2826 
                                                   >> 2827 endchoice
                                                   >> 2828 
                                                   >> 2829 config SYS_SUPPORTS_24HZ
                                                   >> 2830         bool
                                                   >> 2831 
                                                   >> 2832 config SYS_SUPPORTS_48HZ
                                                   >> 2833         bool
                                                   >> 2834 
                                                   >> 2835 config SYS_SUPPORTS_100HZ
                                                   >> 2836         bool
                                                   >> 2837 
                                                   >> 2838 config SYS_SUPPORTS_128HZ
                                                   >> 2839         bool
                                                   >> 2840 
                                                   >> 2841 config SYS_SUPPORTS_250HZ
                                                   >> 2842         bool
                                                   >> 2843 
                                                   >> 2844 config SYS_SUPPORTS_256HZ
                                                   >> 2845         bool
                                                   >> 2846 
                                                   >> 2847 config SYS_SUPPORTS_1000HZ
                                                   >> 2848         bool
                                                   >> 2849 
                                                   >> 2850 config SYS_SUPPORTS_1024HZ
                                                   >> 2851         bool
                                                   >> 2852 
                                                   >> 2853 config SYS_SUPPORTS_ARBIT_HZ
                                                   >> 2854         bool
                                                   >> 2855         default y if !SYS_SUPPORTS_24HZ && \
                                                   >> 2856                      !SYS_SUPPORTS_48HZ && \
                                                   >> 2857                      !SYS_SUPPORTS_100HZ && \
                                                   >> 2858                      !SYS_SUPPORTS_128HZ && \
                                                   >> 2859                      !SYS_SUPPORTS_250HZ && \
                                                   >> 2860                      !SYS_SUPPORTS_256HZ && \
                                                   >> 2861                      !SYS_SUPPORTS_1000HZ && \
                                                   >> 2862                      !SYS_SUPPORTS_1024HZ
                                                   >> 2863 
                                                   >> 2864 config HZ
                                                   >> 2865         int
                                                   >> 2866         default 24 if HZ_24
                                                   >> 2867         default 48 if HZ_48
                                                   >> 2868         default 100 if HZ_100
                                                   >> 2869         default 128 if HZ_128
                                                   >> 2870         default 250 if HZ_250
                                                   >> 2871         default 256 if HZ_256
                                                   >> 2872         default 1000 if HZ_1000
                                                   >> 2873         default 1024 if HZ_1024
                                                   >> 2874 
                                                   >> 2875 config SCHED_HRTICK
                                                   >> 2876         def_bool HIGH_RES_TIMERS
                                                   >> 2877 
                                                   >> 2878 config ARCH_SUPPORTS_KEXEC
                                                   >> 2879         def_bool y
                                                   >> 2880 
                                                   >> 2881 config ARCH_SUPPORTS_CRASH_DUMP
                                                   >> 2882         def_bool y
                                                   >> 2883 
                                                   >> 2884 config PHYSICAL_START
                                                   >> 2885         hex "Physical address where the kernel is loaded"
                                                   >> 2886         default "0xffffffff84000000"
                                                   >> 2887         depends on CRASH_DUMP
                                                   >> 2888         help
                                                   >> 2889           This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
                                                   >> 2890           If you plan to use kernel for capturing the crash dump change
                                                   >> 2891           this value to start of the reserved region (the "X" value as
                                                   >> 2892           specified in the "crashkernel=YM@XM" command line boot parameter
                                                   >> 2893           passed to the panic-ed kernel).
                                                   >> 2894 
                                                   >> 2895 config MIPS_O32_FP64_SUPPORT
                                                   >> 2896         bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
                                                   >> 2897         depends on 32BIT || MIPS32_O32
                                                   >> 2898         help
                                                   >> 2899           When this is enabled, the kernel will support use of 64-bit floating
                                                   >> 2900           point registers with binaries using the O32 ABI along with the
                                                   >> 2901           EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
                                                   >> 2902           32-bit MIPS systems this support is at the cost of increasing the
                                                   >> 2903           size and complexity of the compiled FPU emulator. Thus if you are
                                                   >> 2904           running a MIPS32 system and know that none of your userland binaries
                                                   >> 2905           will require 64-bit floating point, you may wish to reduce the size
                                                   >> 2906           of your kernel & potentially improve FP emulation performance by
                                                   >> 2907           saying N here.
                                                   >> 2908 
                                                   >> 2909           Although binutils currently supports use of this flag the details
                                                   >> 2910           concerning its effect upon the O32 ABI in userland are still being
                                                   >> 2911           worked on. In order to avoid userland becoming dependent upon current
                                                   >> 2912           behaviour before the details have been finalised, this option should
                                                   >> 2913           be considered experimental and only enabled by those working upon
                                                   >> 2914           said details.
                                                   >> 2915 
                                                   >> 2916           If unsure, say N.
                                                   >> 2917 
                                                   >> 2918 config USE_OF
                                                   >> 2919         bool
                                                   >> 2920         select OF
                                                   >> 2921         select OF_EARLY_FLATTREE
                                                   >> 2922         select IRQ_DOMAIN
                                                   >> 2923 
                                                   >> 2924 config UHI_BOOT
                                                   >> 2925         bool
                                                   >> 2926 
                                                   >> 2927 config BUILTIN_DTB
                                                   >> 2928         bool
                                                   >> 2929 
                                                   >> 2930 choice
                                                   >> 2931         prompt "Kernel appended dtb support"
                                                   >> 2932         depends on USE_OF
                                                   >> 2933         default MIPS_NO_APPENDED_DTB
                                                   >> 2934 
                                                   >> 2935         config MIPS_NO_APPENDED_DTB
                                                   >> 2936                 bool "None"
                                                   >> 2937                 help
                                                   >> 2938                   Do not enable appended dtb support.
                                                   >> 2939 
                                                   >> 2940         config MIPS_ELF_APPENDED_DTB
                                                   >> 2941                 bool "vmlinux"
                                                   >> 2942                 help
                                                   >> 2943                   With this option, the boot code will look for a device tree binary
                                                   >> 2944                   DTB) included in the vmlinux ELF section .appended_dtb. By default
                                                   >> 2945                   it is empty and the DTB can be appended using binutils command
                                                   >> 2946                   objcopy:
                                                   >> 2947 
                                                   >> 2948                     objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
                                                   >> 2949 
                                                   >> 2950                   This is meant as a backward compatibility convenience for those
                                                   >> 2951                   systems with a bootloader that can't be upgraded to accommodate
                                                   >> 2952                   the documented boot protocol using a device tree.
                                                   >> 2953 
                                                   >> 2954         config MIPS_RAW_APPENDED_DTB
                                                   >> 2955                 bool "vmlinux.bin or vmlinuz.bin"
                                                   >> 2956                 help
                                                   >> 2957                   With this option, the boot code will look for a device tree binary
                                                   >> 2958                   DTB) appended to raw vmlinux.bin or vmlinuz.bin.
                                                   >> 2959                   (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
                                                   >> 2960 
                                                   >> 2961                   This is meant as a backward compatibility convenience for those
                                                   >> 2962                   systems with a bootloader that can't be upgraded to accommodate
                                                   >> 2963                   the documented boot protocol using a device tree.
                                                   >> 2964 
                                                   >> 2965                   Beware that there is very little in terms of protection against
                                                   >> 2966                   this option being confused by leftover garbage in memory that might
                                                   >> 2967                   look like a DTB header after a reboot if no actual DTB is appended
                                                   >> 2968                   to vmlinux.bin.  Do not leave this option active in a production kernel
                                                   >> 2969                   if you don't intend to always append a DTB.
                                                   >> 2970 endchoice
                                                   >> 2971 
                                                   >> 2972 choice
                                                   >> 2973         prompt "Kernel command line type"
                                                   >> 2974         depends on !CMDLINE_OVERRIDE
                                                   >> 2975         default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
                                                   >> 2976                                          !MACH_LOONGSON64 && !MIPS_MALTA && \
                                                   >> 2977                                          !CAVIUM_OCTEON_SOC
                                                   >> 2978         default MIPS_CMDLINE_FROM_BOOTLOADER
                                                   >> 2979 
                                                   >> 2980         config MIPS_CMDLINE_FROM_DTB
                                                   >> 2981                 depends on USE_OF
                                                   >> 2982                 bool "Dtb kernel arguments if available"
                                                   >> 2983 
                                                   >> 2984         config MIPS_CMDLINE_DTB_EXTEND
                                                   >> 2985                 depends on USE_OF
                                                   >> 2986                 bool "Extend dtb kernel arguments with bootloader arguments"
                                                   >> 2987 
                                                   >> 2988         config MIPS_CMDLINE_FROM_BOOTLOADER
                                                   >> 2989                 bool "Bootloader kernel arguments if available"
                                                   >> 2990 
                                                   >> 2991         config MIPS_CMDLINE_BUILTIN_EXTEND
                                                   >> 2992                 depends on CMDLINE_BOOL
                                                   >> 2993                 bool "Extend builtin kernel arguments with bootloader arguments"
                                                   >> 2994 endchoice
                                                   >> 2995 
                                                   >> 2996 endmenu
                                                   >> 2997 
                                                   >> 2998 config LOCKDEP_SUPPORT
475         bool                                      2999         bool
476         default y                                 3000         default y
477         depends on SPARC64 && PCI              << 
478                                                   3001 
479 config SPARC64_PCI_MSI                         !! 3002 config STACKTRACE_SUPPORT
480         bool                                      3003         bool
481         default y                                 3004         default y
482         depends on SPARC64_PCI && PCI_MSI      << 
483                                                   3005 
                                                   >> 3006 config PGTABLE_LEVELS
                                                   >> 3007         int
                                                   >> 3008         default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
                                                   >> 3009         default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
                                                   >> 3010         default 2
                                                   >> 3011 
                                                   >> 3012 config MIPS_AUTO_PFN_OFFSET
                                                   >> 3013         bool
                                                   >> 3014 
                                                   >> 3015 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
                                                   >> 3016 
                                                   >> 3017 config PCI_DRIVERS_GENERIC
                                                   >> 3018         select PCI_DOMAINS_GENERIC if PCI
                                                   >> 3019         bool
                                                   >> 3020 
                                                   >> 3021 config PCI_DRIVERS_LEGACY
                                                   >> 3022         def_bool !PCI_DRIVERS_GENERIC
                                                   >> 3023         select NO_GENERIC_PCI_IOPORT_MAP
                                                   >> 3024         select PCI_DOMAINS if PCI
                                                   >> 3025 
                                                   >> 3026 #
                                                   >> 3027 # ISA support is now enabled via select.  Too many systems still have the one
                                                   >> 3028 # or other ISA chip on the board that users don't know about so don't expect
                                                   >> 3029 # users to choose the right thing ...
                                                   >> 3030 #
                                                   >> 3031 config ISA
                                                   >> 3032         bool
                                                   >> 3033 
                                                   >> 3034 config TC
                                                   >> 3035         bool "TURBOchannel support"
                                                   >> 3036         depends on MACH_DECSTATION
                                                   >> 3037         help
                                                   >> 3038           TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
                                                   >> 3039           processors.  TURBOchannel programming specifications are available
                                                   >> 3040           at:
                                                   >> 3041           <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
                                                   >> 3042           and:
                                                   >> 3043           <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
                                                   >> 3044           Linux driver support status is documented at:
                                                   >> 3045           <http://www.linux-mips.org/wiki/DECstation>
                                                   >> 3046 
                                                   >> 3047 config MMU
                                                   >> 3048         bool
                                                   >> 3049         default y
                                                   >> 3050 
                                                   >> 3051 config ARCH_MMAP_RND_BITS_MIN
                                                   >> 3052         default 12 if 64BIT
                                                   >> 3053         default 8
                                                   >> 3054 
                                                   >> 3055 config ARCH_MMAP_RND_BITS_MAX
                                                   >> 3056         default 18 if 64BIT
                                                   >> 3057         default 15
                                                   >> 3058 
                                                   >> 3059 config ARCH_MMAP_RND_COMPAT_BITS_MIN
                                                   >> 3060         default 8
                                                   >> 3061 
                                                   >> 3062 config ARCH_MMAP_RND_COMPAT_BITS_MAX
                                                   >> 3063         default 15
                                                   >> 3064 
                                                   >> 3065 config I8253
                                                   >> 3066         bool
                                                   >> 3067         select CLKSRC_I8253
                                                   >> 3068         select CLKEVT_I8253
                                                   >> 3069         select MIPS_EXTERNAL_TIMER
484 endmenu                                           3070 endmenu
485                                                   3071 
                                                   >> 3072 config TRAD_SIGNALS
                                                   >> 3073         bool
                                                   >> 3074 
                                                   >> 3075 config MIPS32_COMPAT
                                                   >> 3076         bool
                                                   >> 3077 
486 config COMPAT                                     3078 config COMPAT
487         bool                                      3079         bool
488         depends on SPARC64                     !! 3080 
489         default y                              !! 3081 config MIPS32_O32
490         select HAVE_UID16                      !! 3082         bool "Kernel support for o32 binaries"
                                                   >> 3083         depends on 64BIT
491         select ARCH_WANT_OLD_COMPAT_IPC           3084         select ARCH_WANT_OLD_COMPAT_IPC
492         select COMPAT_OLD_SIGACTION            !! 3085         select COMPAT
                                                   >> 3086         select MIPS32_COMPAT
                                                   >> 3087         help
                                                   >> 3088           Select this option if you want to run o32 binaries.  These are pure
                                                   >> 3089           32-bit binaries as used by the 32-bit Linux/MIPS port.  Most of
                                                   >> 3090           existing binaries are in this format.
                                                   >> 3091 
                                                   >> 3092           If unsure, say Y.
                                                   >> 3093 
                                                   >> 3094 config MIPS32_N32
                                                   >> 3095         bool "Kernel support for n32 binaries"
                                                   >> 3096         depends on 64BIT
                                                   >> 3097         select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
                                                   >> 3098         select COMPAT
                                                   >> 3099         select MIPS32_COMPAT
                                                   >> 3100         help
                                                   >> 3101           Select this option if you want to run n32 binaries.  These are
                                                   >> 3102           64-bit binaries using 32-bit quantities for addressing and certain
                                                   >> 3103           data that would normally be 64-bit.  They are used in special
                                                   >> 3104           cases.
                                                   >> 3105 
                                                   >> 3106           If unsure, say N.
                                                   >> 3107 
                                                   >> 3108 config CC_HAS_MNO_BRANCH_LIKELY
                                                   >> 3109         def_bool y
                                                   >> 3110         depends on $(cc-option,-mno-branch-likely)
                                                   >> 3111 
                                                   >> 3112 # https://github.com/llvm/llvm-project/issues/61045
                                                   >> 3113 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH
                                                   >> 3114         def_bool y if CC_IS_CLANG
                                                   >> 3115 
                                                   >> 3116 menu "Power management options"
                                                   >> 3117 
                                                   >> 3118 config ARCH_HIBERNATION_POSSIBLE
                                                   >> 3119         def_bool y
                                                   >> 3120         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
                                                   >> 3121 
                                                   >> 3122 config ARCH_SUSPEND_POSSIBLE
                                                   >> 3123         def_bool y
                                                   >> 3124         depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
                                                   >> 3125 
                                                   >> 3126 source "kernel/power/Kconfig"
                                                   >> 3127 
                                                   >> 3128 endmenu
                                                   >> 3129 
                                                   >> 3130 config MIPS_EXTERNAL_TIMER
                                                   >> 3131         bool
                                                   >> 3132 
                                                   >> 3133 menu "CPU Power Management"
                                                   >> 3134 
                                                   >> 3135 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
                                                   >> 3136 source "drivers/cpufreq/Kconfig"
                                                   >> 3137 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
                                                   >> 3138 
                                                   >> 3139 source "drivers/cpuidle/Kconfig"
                                                   >> 3140 
                                                   >> 3141 endmenu
                                                   >> 3142 
                                                   >> 3143 source "arch/mips/kvm/Kconfig"
493                                                   3144 
494 source "drivers/sbus/char/Kconfig"             !! 3145 source "arch/mips/vdso/Kconfig"
                                                      

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