1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0 2 config MIPS 2 config MIPS 3 bool 3 bool 4 default y 4 default y 5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT 6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 7 select ARCH_HAS_CPU_CACHE_ALIASING 7 select ARCH_HAS_CPU_CACHE_ALIASING 8 select ARCH_HAS_CPU_FINALIZE_INIT 8 select ARCH_HAS_CPU_FINALIZE_INIT 9 select ARCH_HAS_CURRENT_STACK_POINTER 9 select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000 10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI 10 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT 11 select ARCH_HAS_DMA_OPS if MACH_JAZZ << 12 select ARCH_HAS_FORTIFY_SOURCE 11 select ARCH_HAS_FORTIFY_SOURCE 13 select ARCH_HAS_KCOV 12 select ARCH_HAS_KCOV 14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 13 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA 15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 14 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 16 select ARCH_HAS_STRNCPY_FROM_USER 15 select ARCH_HAS_STRNCPY_FROM_USER 17 select ARCH_HAS_STRNLEN_USER 16 select ARCH_HAS_STRNLEN_USER 18 select ARCH_HAS_TICK_BROADCAST if GENE 17 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 19 select ARCH_HAS_UBSAN 18 select ARCH_HAS_UBSAN 20 select ARCH_HAS_GCOV_PROFILE_ALL 19 select ARCH_HAS_GCOV_PROFILE_ALL 21 select ARCH_KEEP_MEMBLOCK 20 select ARCH_KEEP_MEMBLOCK 22 select ARCH_USE_BUILTIN_BSWAP 21 select ARCH_USE_BUILTIN_BSWAP 23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 22 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 24 select ARCH_USE_MEMTEST 23 select ARCH_USE_MEMTEST 25 select ARCH_USE_QUEUED_RWLOCKS 24 select ARCH_USE_QUEUED_RWLOCKS 26 select ARCH_USE_QUEUED_SPINLOCKS 25 select ARCH_USE_QUEUED_SPINLOCKS 27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ 26 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES 28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 27 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 29 select ARCH_WANT_IPC_PARSE_VERSION 28 select ARCH_WANT_IPC_PARSE_VERSION 30 select ARCH_WANT_LD_ORPHAN_WARN 29 select ARCH_WANT_LD_ORPHAN_WARN 31 select BUILDTIME_TABLE_SORT 30 select BUILDTIME_TABLE_SORT 32 select CLONE_BACKWARDS 31 select CLONE_BACKWARDS 33 select CPU_NO_EFFICIENT_FFS if (TARGET 32 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 34 select CPU_PM if CPU_IDLE || SUSPEND !! 33 select CPU_PM if CPU_IDLE 35 select GENERIC_ATOMIC64 if !64BIT 34 select GENERIC_ATOMIC64 if !64BIT 36 select GENERIC_CMOS_UPDATE 35 select GENERIC_CMOS_UPDATE 37 select GENERIC_CPU_AUTOPROBE 36 select GENERIC_CPU_AUTOPROBE 38 select GENERIC_GETTIMEOFDAY 37 select GENERIC_GETTIMEOFDAY 39 select GENERIC_IOMAP 38 select GENERIC_IOMAP 40 select GENERIC_IRQ_PROBE 39 select GENERIC_IRQ_PROBE 41 select GENERIC_IRQ_SHOW 40 select GENERIC_IRQ_SHOW 42 select GENERIC_ISA_DMA if EISA 41 select GENERIC_ISA_DMA if EISA 43 select GENERIC_LIB_ASHLDI3 42 select GENERIC_LIB_ASHLDI3 44 select GENERIC_LIB_ASHRDI3 43 select GENERIC_LIB_ASHRDI3 45 select GENERIC_LIB_CMPDI2 44 select GENERIC_LIB_CMPDI2 46 select GENERIC_LIB_LSHRDI3 45 select GENERIC_LIB_LSHRDI3 47 select GENERIC_LIB_UCMPDI2 46 select GENERIC_LIB_UCMPDI2 48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 47 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 49 select GENERIC_SMP_IDLE_THREAD 48 select GENERIC_SMP_IDLE_THREAD 50 select GENERIC_IDLE_POLL_SETUP 49 select GENERIC_IDLE_POLL_SETUP 51 select GENERIC_TIME_VSYSCALL 50 select GENERIC_TIME_VSYSCALL 52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP 51 select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 53 select HAS_IOPORT if !NO_IOPORT_MAP || 52 select HAS_IOPORT if !NO_IOPORT_MAP || ISA 54 select HAVE_ARCH_COMPILER_H 53 select HAVE_ARCH_COMPILER_H 55 select HAVE_ARCH_JUMP_LABEL 54 select HAVE_ARCH_JUMP_LABEL 56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 55 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 57 select HAVE_ARCH_MMAP_RND_BITS if MMU 56 select HAVE_ARCH_MMAP_RND_BITS if MMU 58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 57 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 59 select HAVE_ARCH_SECCOMP_FILTER 58 select HAVE_ARCH_SECCOMP_FILTER 60 select HAVE_ARCH_TRACEHOOK 59 select HAVE_ARCH_TRACEHOOK 61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 60 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 62 select HAVE_ASM_MODVERSIONS 61 select HAVE_ASM_MODVERSIONS 63 select HAVE_CONTEXT_TRACKING_USER 62 select HAVE_CONTEXT_TRACKING_USER 64 select HAVE_TIF_NOHZ 63 select HAVE_TIF_NOHZ 65 select HAVE_C_RECORDMCOUNT 64 select HAVE_C_RECORDMCOUNT 66 select HAVE_DEBUG_KMEMLEAK 65 select HAVE_DEBUG_KMEMLEAK 67 select HAVE_DEBUG_STACKOVERFLOW 66 select HAVE_DEBUG_STACKOVERFLOW 68 select HAVE_DMA_CONTIGUOUS 67 select HAVE_DMA_CONTIGUOUS 69 select HAVE_DYNAMIC_FTRACE 68 select HAVE_DYNAMIC_FTRACE 70 select HAVE_EBPF_JIT if !CPU_MICROMIPS 69 select HAVE_EBPF_JIT if !CPU_MICROMIPS 71 select HAVE_EXIT_THREAD 70 select HAVE_EXIT_THREAD 72 select HAVE_GUP_FAST !! 71 select HAVE_FAST_GUP 73 select HAVE_FTRACE_MCOUNT_RECORD 72 select HAVE_FTRACE_MCOUNT_RECORD 74 select HAVE_FUNCTION_GRAPH_TRACER 73 select HAVE_FUNCTION_GRAPH_TRACER 75 select HAVE_FUNCTION_TRACER 74 select HAVE_FUNCTION_TRACER 76 select HAVE_GCC_PLUGINS 75 select HAVE_GCC_PLUGINS 77 select HAVE_GENERIC_VDSO 76 select HAVE_GENERIC_VDSO 78 select HAVE_IOREMAP_PROT 77 select HAVE_IOREMAP_PROT 79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 78 select HAVE_IRQ_EXIT_ON_IRQ_STACK 80 select HAVE_IRQ_TIME_ACCOUNTING 79 select HAVE_IRQ_TIME_ACCOUNTING 81 select HAVE_KPROBES 80 select HAVE_KPROBES 82 select HAVE_KRETPROBES 81 select HAVE_KRETPROBES 83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 82 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 84 select HAVE_MOD_ARCH_SPECIFIC 83 select HAVE_MOD_ARCH_SPECIFIC 85 select HAVE_NMI 84 select HAVE_NMI 86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON 85 select HAVE_PAGE_SIZE_4KB if !CPU_LOONGSON2EF && !CPU_LOONGSON64 87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 86 select HAVE_PAGE_SIZE_16KB if !CPU_R3000 88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 87 select HAVE_PAGE_SIZE_64KB if !CPU_R3000 89 select HAVE_PERF_EVENTS 88 select HAVE_PERF_EVENTS 90 select HAVE_PERF_REGS 89 select HAVE_PERF_REGS 91 select HAVE_PERF_USER_STACK_DUMP 90 select HAVE_PERF_USER_STACK_DUMP 92 select HAVE_REGS_AND_STACK_ACCESS_API 91 select HAVE_REGS_AND_STACK_ACCESS_API 93 select HAVE_RSEQ 92 select HAVE_RSEQ 94 select HAVE_SPARSE_SYSCALL_NR 93 select HAVE_SPARSE_SYSCALL_NR 95 select HAVE_STACKPROTECTOR 94 select HAVE_STACKPROTECTOR 96 select HAVE_SYSCALL_TRACEPOINTS 95 select HAVE_SYSCALL_TRACEPOINTS 97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 96 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 98 select IRQ_FORCED_THREADING 97 select IRQ_FORCED_THREADING 99 select ISA if EISA 98 select ISA if EISA 100 select LOCK_MM_AND_FIND_VMA 99 select LOCK_MM_AND_FIND_VMA 101 select MODULES_USE_ELF_REL if MODULES 100 select MODULES_USE_ELF_REL if MODULES 102 select MODULES_USE_ELF_RELA if MODULES 101 select MODULES_USE_ELF_RELA if MODULES && 64BIT 103 select PERF_USE_VMALLOC 102 select PERF_USE_VMALLOC 104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 103 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 105 select RTC_LIB 104 select RTC_LIB 106 select SYSCTL_EXCEPTION_TRACE 105 select SYSCTL_EXCEPTION_TRACE 107 select TRACE_IRQFLAGS_SUPPORT 106 select TRACE_IRQFLAGS_SUPPORT 108 select ARCH_HAS_ELFCORE_COMPAT 107 select ARCH_HAS_ELFCORE_COMPAT 109 select HAVE_ARCH_KCSAN if 64BIT 108 select HAVE_ARCH_KCSAN if 64BIT 110 109 111 config MIPS_FIXUP_BIGPHYS_ADDR 110 config MIPS_FIXUP_BIGPHYS_ADDR 112 bool 111 bool 113 112 114 config MIPS_GENERIC 113 config MIPS_GENERIC 115 bool 114 bool 116 115 117 config MACH_GENERIC_CORE 116 config MACH_GENERIC_CORE 118 bool 117 bool 119 118 120 config MACH_INGENIC 119 config MACH_INGENIC 121 bool 120 bool 122 select SYS_SUPPORTS_32BIT_KERNEL 121 select SYS_SUPPORTS_32BIT_KERNEL 123 select SYS_SUPPORTS_LITTLE_ENDIAN 122 select SYS_SUPPORTS_LITTLE_ENDIAN 124 select SYS_SUPPORTS_ZBOOT 123 select SYS_SUPPORTS_ZBOOT 125 select DMA_NONCOHERENT 124 select DMA_NONCOHERENT 126 select IRQ_MIPS_CPU 125 select IRQ_MIPS_CPU 127 select PINCTRL 126 select PINCTRL 128 select GPIOLIB 127 select GPIOLIB 129 select COMMON_CLK 128 select COMMON_CLK 130 select GENERIC_IRQ_CHIP 129 select GENERIC_IRQ_CHIP 131 select BUILTIN_DTB if MIPS_NO_APPENDED 130 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 132 select USE_OF 131 select USE_OF 133 select CPU_SUPPORTS_CPUFREQ 132 select CPU_SUPPORTS_CPUFREQ 134 select MIPS_EXTERNAL_TIMER 133 select MIPS_EXTERNAL_TIMER 135 134 136 menu "Machine selection" 135 menu "Machine selection" 137 136 138 choice 137 choice 139 prompt "System type" 138 prompt "System type" 140 default MIPS_GENERIC_KERNEL 139 default MIPS_GENERIC_KERNEL 141 140 142 config MIPS_GENERIC_KERNEL 141 config MIPS_GENERIC_KERNEL 143 bool "Generic board-agnostic MIPS kern 142 bool "Generic board-agnostic MIPS kernel" 144 select MIPS_GENERIC 143 select MIPS_GENERIC 145 select BOOT_RAW 144 select BOOT_RAW 146 select BUILTIN_DTB 145 select BUILTIN_DTB 147 select CEVT_R4K 146 select CEVT_R4K 148 select CLKSRC_MIPS_GIC 147 select CLKSRC_MIPS_GIC 149 select COMMON_CLK 148 select COMMON_CLK 150 select CPU_MIPSR2_IRQ_EI 149 select CPU_MIPSR2_IRQ_EI 151 select CPU_MIPSR2_IRQ_VI 150 select CPU_MIPSR2_IRQ_VI 152 select CSRC_R4K 151 select CSRC_R4K 153 select DMA_NONCOHERENT 152 select DMA_NONCOHERENT 154 select HAVE_PCI 153 select HAVE_PCI 155 select IRQ_MIPS_CPU 154 select IRQ_MIPS_CPU 156 select MACH_GENERIC_CORE 155 select MACH_GENERIC_CORE 157 select MIPS_AUTO_PFN_OFFSET 156 select MIPS_AUTO_PFN_OFFSET 158 select MIPS_CPU_SCACHE 157 select MIPS_CPU_SCACHE 159 select MIPS_GIC 158 select MIPS_GIC 160 select MIPS_L1_CACHE_SHIFT_7 159 select MIPS_L1_CACHE_SHIFT_7 161 select NO_EXCEPT_FILL 160 select NO_EXCEPT_FILL 162 select PCI_DRIVERS_GENERIC 161 select PCI_DRIVERS_GENERIC 163 select SMP_UP if SMP 162 select SMP_UP if SMP 164 select SWAP_IO_SPACE 163 select SWAP_IO_SPACE 165 select SYS_HAS_CPU_MIPS32_R1 164 select SYS_HAS_CPU_MIPS32_R1 166 select SYS_HAS_CPU_MIPS32_R2 165 select SYS_HAS_CPU_MIPS32_R2 167 select SYS_HAS_CPU_MIPS32_R5 166 select SYS_HAS_CPU_MIPS32_R5 168 select SYS_HAS_CPU_MIPS32_R6 167 select SYS_HAS_CPU_MIPS32_R6 169 select SYS_HAS_CPU_MIPS64_R1 168 select SYS_HAS_CPU_MIPS64_R1 170 select SYS_HAS_CPU_MIPS64_R2 169 select SYS_HAS_CPU_MIPS64_R2 171 select SYS_HAS_CPU_MIPS64_R5 170 select SYS_HAS_CPU_MIPS64_R5 172 select SYS_HAS_CPU_MIPS64_R6 171 select SYS_HAS_CPU_MIPS64_R6 173 select SYS_SUPPORTS_32BIT_KERNEL 172 select SYS_SUPPORTS_32BIT_KERNEL 174 select SYS_SUPPORTS_64BIT_KERNEL 173 select SYS_SUPPORTS_64BIT_KERNEL 175 select SYS_SUPPORTS_BIG_ENDIAN 174 select SYS_SUPPORTS_BIG_ENDIAN 176 select SYS_SUPPORTS_HIGHMEM 175 select SYS_SUPPORTS_HIGHMEM 177 select SYS_SUPPORTS_LITTLE_ENDIAN 176 select SYS_SUPPORTS_LITTLE_ENDIAN 178 select SYS_SUPPORTS_MICROMIPS 177 select SYS_SUPPORTS_MICROMIPS 179 select SYS_SUPPORTS_MIPS16 178 select SYS_SUPPORTS_MIPS16 180 select SYS_SUPPORTS_MIPS_CPS 179 select SYS_SUPPORTS_MIPS_CPS 181 select SYS_SUPPORTS_MULTITHREADING 180 select SYS_SUPPORTS_MULTITHREADING 182 select SYS_SUPPORTS_RELOCATABLE 181 select SYS_SUPPORTS_RELOCATABLE 183 select SYS_SUPPORTS_SMARTMIPS 182 select SYS_SUPPORTS_SMARTMIPS 184 select SYS_SUPPORTS_ZBOOT 183 select SYS_SUPPORTS_ZBOOT 185 select UHI_BOOT 184 select UHI_BOOT 186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 185 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 186 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 187 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 188 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 189 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 190 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 192 select USE_OF 191 select USE_OF 193 help 192 help 194 Select this to build a kernel which 193 Select this to build a kernel which aims to support multiple boards, 195 generally using a flattened device t 194 generally using a flattened device tree passed from the bootloader 196 using the boot protocol defined in t 195 using the boot protocol defined in the UHI (Unified Hosting 197 Interface) specification. 196 Interface) specification. 198 197 199 config MIPS_ALCHEMY 198 config MIPS_ALCHEMY 200 bool "Alchemy processor based machines 199 bool "Alchemy processor based machines" 201 select PHYS_ADDR_T_64BIT 200 select PHYS_ADDR_T_64BIT 202 select CEVT_R4K 201 select CEVT_R4K 203 select CSRC_R4K 202 select CSRC_R4K 204 select IRQ_MIPS_CPU 203 select IRQ_MIPS_CPU 205 select DMA_NONCOHERENT # Au10 204 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 205 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 207 select SYS_HAS_CPU_MIPS32_R1 206 select SYS_HAS_CPU_MIPS32_R1 208 select SYS_SUPPORTS_32BIT_KERNEL 207 select SYS_SUPPORTS_32BIT_KERNEL 209 select SYS_SUPPORTS_APM_EMULATION 208 select SYS_SUPPORTS_APM_EMULATION 210 select GPIOLIB 209 select GPIOLIB 211 select SYS_SUPPORTS_ZBOOT 210 select SYS_SUPPORTS_ZBOOT 212 select COMMON_CLK 211 select COMMON_CLK 213 212 214 config ATH25 213 config ATH25 215 bool "Atheros AR231x/AR531x SoC suppor 214 bool "Atheros AR231x/AR531x SoC support" 216 select CEVT_R4K 215 select CEVT_R4K 217 select CSRC_R4K 216 select CSRC_R4K 218 select DMA_NONCOHERENT 217 select DMA_NONCOHERENT 219 select IRQ_MIPS_CPU 218 select IRQ_MIPS_CPU 220 select IRQ_DOMAIN 219 select IRQ_DOMAIN 221 select SYS_HAS_CPU_MIPS32_R1 220 select SYS_HAS_CPU_MIPS32_R1 222 select SYS_SUPPORTS_BIG_ENDIAN 221 select SYS_SUPPORTS_BIG_ENDIAN 223 select SYS_SUPPORTS_32BIT_KERNEL 222 select SYS_SUPPORTS_32BIT_KERNEL 224 select SYS_HAS_EARLY_PRINTK 223 select SYS_HAS_EARLY_PRINTK 225 help 224 help 226 Support for Atheros AR231x and Ather 225 Support for Atheros AR231x and Atheros AR531x based boards 227 226 228 config ATH79 227 config ATH79 229 bool "Atheros AR71XX/AR724X/AR913X bas 228 bool "Atheros AR71XX/AR724X/AR913X based boards" 230 select ARCH_HAS_RESET_CONTROLLER 229 select ARCH_HAS_RESET_CONTROLLER 231 select BOOT_RAW 230 select BOOT_RAW 232 select CEVT_R4K 231 select CEVT_R4K 233 select CSRC_R4K 232 select CSRC_R4K 234 select DMA_NONCOHERENT 233 select DMA_NONCOHERENT 235 select GPIOLIB 234 select GPIOLIB 236 select PINCTRL 235 select PINCTRL 237 select COMMON_CLK 236 select COMMON_CLK 238 select IRQ_MIPS_CPU 237 select IRQ_MIPS_CPU 239 select SYS_HAS_CPU_MIPS32_R2 238 select SYS_HAS_CPU_MIPS32_R2 240 select SYS_HAS_EARLY_PRINTK 239 select SYS_HAS_EARLY_PRINTK 241 select SYS_SUPPORTS_32BIT_KERNEL 240 select SYS_SUPPORTS_32BIT_KERNEL 242 select SYS_SUPPORTS_BIG_ENDIAN 241 select SYS_SUPPORTS_BIG_ENDIAN 243 select SYS_SUPPORTS_MIPS16 242 select SYS_SUPPORTS_MIPS16 244 select SYS_SUPPORTS_ZBOOT_UART_PROM 243 select SYS_SUPPORTS_ZBOOT_UART_PROM 245 select USE_OF 244 select USE_OF 246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 245 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 247 help 246 help 248 Support for the Atheros AR71XX/AR724 247 Support for the Atheros AR71XX/AR724X/AR913X SoCs. 249 248 250 config BMIPS_GENERIC 249 config BMIPS_GENERIC 251 bool "Broadcom Generic BMIPS kernel" 250 bool "Broadcom Generic BMIPS kernel" 252 select ARCH_HAS_RESET_CONTROLLER 251 select ARCH_HAS_RESET_CONTROLLER 253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 252 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 254 select BOOT_RAW 253 select BOOT_RAW 255 select NO_EXCEPT_FILL 254 select NO_EXCEPT_FILL 256 select USE_OF 255 select USE_OF 257 select CEVT_R4K 256 select CEVT_R4K 258 select CSRC_R4K 257 select CSRC_R4K 259 select SYNC_R4K 258 select SYNC_R4K 260 select COMMON_CLK 259 select COMMON_CLK 261 select BCM6345_L1_IRQ 260 select BCM6345_L1_IRQ 262 select BCM7038_L1_IRQ 261 select BCM7038_L1_IRQ 263 select BCM7120_L2_IRQ 262 select BCM7120_L2_IRQ 264 select BRCMSTB_L2_IRQ 263 select BRCMSTB_L2_IRQ 265 select IRQ_MIPS_CPU 264 select IRQ_MIPS_CPU 266 select DMA_NONCOHERENT 265 select DMA_NONCOHERENT 267 select SYS_SUPPORTS_32BIT_KERNEL 266 select SYS_SUPPORTS_32BIT_KERNEL 268 select SYS_SUPPORTS_LITTLE_ENDIAN 267 select SYS_SUPPORTS_LITTLE_ENDIAN 269 select SYS_SUPPORTS_BIG_ENDIAN 268 select SYS_SUPPORTS_BIG_ENDIAN 270 select SYS_SUPPORTS_HIGHMEM 269 select SYS_SUPPORTS_HIGHMEM 271 select SYS_HAS_CPU_BMIPS32_3300 270 select SYS_HAS_CPU_BMIPS32_3300 272 select SYS_HAS_CPU_BMIPS4350 271 select SYS_HAS_CPU_BMIPS4350 273 select SYS_HAS_CPU_BMIPS4380 272 select SYS_HAS_CPU_BMIPS4380 274 select SYS_HAS_CPU_BMIPS5000 273 select SYS_HAS_CPU_BMIPS5000 275 select SWAP_IO_SPACE 274 select SWAP_IO_SPACE 276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 275 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 276 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 277 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 278 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 280 select HARDIRQS_SW_RESEND 279 select HARDIRQS_SW_RESEND 281 select HAVE_PCI 280 select HAVE_PCI 282 select PCI_DRIVERS_GENERIC 281 select PCI_DRIVERS_GENERIC 283 select FW_CFE 282 select FW_CFE 284 help 283 help 285 Build a generic DT-based kernel imag 284 Build a generic DT-based kernel image that boots on select 286 BCM33xx cable modem chips, BCM63xx D 285 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 287 box chips. Note that CONFIG_CPU_BIG 286 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 288 must be set appropriately for your b 287 must be set appropriately for your board. 289 288 290 config BCM47XX 289 config BCM47XX 291 bool "Broadcom BCM47XX based boards" 290 bool "Broadcom BCM47XX based boards" 292 select BOOT_RAW 291 select BOOT_RAW 293 select CEVT_R4K 292 select CEVT_R4K 294 select CSRC_R4K 293 select CSRC_R4K 295 select DMA_NONCOHERENT 294 select DMA_NONCOHERENT 296 select HAVE_PCI 295 select HAVE_PCI 297 select IRQ_MIPS_CPU 296 select IRQ_MIPS_CPU 298 select SYS_HAS_CPU_MIPS32_R1 297 select SYS_HAS_CPU_MIPS32_R1 299 select NO_EXCEPT_FILL 298 select NO_EXCEPT_FILL 300 select SYS_SUPPORTS_32BIT_KERNEL 299 select SYS_SUPPORTS_32BIT_KERNEL 301 select SYS_SUPPORTS_LITTLE_ENDIAN 300 select SYS_SUPPORTS_LITTLE_ENDIAN 302 select SYS_SUPPORTS_MIPS16 301 select SYS_SUPPORTS_MIPS16 303 select SYS_SUPPORTS_ZBOOT 302 select SYS_SUPPORTS_ZBOOT 304 select SYS_HAS_EARLY_PRINTK 303 select SYS_HAS_EARLY_PRINTK 305 select USE_GENERIC_EARLY_PRINTK_8250 304 select USE_GENERIC_EARLY_PRINTK_8250 306 select GPIOLIB 305 select GPIOLIB 307 select LEDS_GPIO_REGISTER 306 select LEDS_GPIO_REGISTER 308 select BCM47XX_NVRAM 307 select BCM47XX_NVRAM 309 select BCM47XX_SPROM 308 select BCM47XX_SPROM 310 select BCM47XX_SSB if !BCM47XX_BCMA 309 select BCM47XX_SSB if !BCM47XX_BCMA 311 help 310 help 312 Support for BCM47XX based boards 311 Support for BCM47XX based boards 313 312 314 config BCM63XX 313 config BCM63XX 315 bool "Broadcom BCM63XX based boards" 314 bool "Broadcom BCM63XX based boards" 316 select BOOT_RAW 315 select BOOT_RAW 317 select CEVT_R4K 316 select CEVT_R4K 318 select CSRC_R4K 317 select CSRC_R4K 319 select SYNC_R4K 318 select SYNC_R4K 320 select DMA_NONCOHERENT 319 select DMA_NONCOHERENT 321 select IRQ_MIPS_CPU 320 select IRQ_MIPS_CPU 322 select SYS_SUPPORTS_32BIT_KERNEL 321 select SYS_SUPPORTS_32BIT_KERNEL 323 select SYS_SUPPORTS_BIG_ENDIAN 322 select SYS_SUPPORTS_BIG_ENDIAN 324 select SYS_HAS_EARLY_PRINTK 323 select SYS_HAS_EARLY_PRINTK 325 select SYS_HAS_CPU_BMIPS32_3300 324 select SYS_HAS_CPU_BMIPS32_3300 326 select SYS_HAS_CPU_BMIPS4350 325 select SYS_HAS_CPU_BMIPS4350 327 select SYS_HAS_CPU_BMIPS4380 326 select SYS_HAS_CPU_BMIPS4380 328 select SWAP_IO_SPACE 327 select SWAP_IO_SPACE 329 select GPIOLIB 328 select GPIOLIB 330 select MIPS_L1_CACHE_SHIFT_4 329 select MIPS_L1_CACHE_SHIFT_4 331 select HAVE_LEGACY_CLK 330 select HAVE_LEGACY_CLK 332 help 331 help 333 Support for BCM63XX based boards 332 Support for BCM63XX based boards 334 333 335 config MIPS_COBALT 334 config MIPS_COBALT 336 bool "Cobalt Server" 335 bool "Cobalt Server" 337 select CEVT_R4K 336 select CEVT_R4K 338 select CSRC_R4K 337 select CSRC_R4K 339 select CEVT_GT641XX 338 select CEVT_GT641XX 340 select DMA_NONCOHERENT 339 select DMA_NONCOHERENT 341 select FORCE_PCI 340 select FORCE_PCI 342 select I8253 341 select I8253 343 select I8259 342 select I8259 344 select IRQ_MIPS_CPU 343 select IRQ_MIPS_CPU 345 select IRQ_GT641XX 344 select IRQ_GT641XX 346 select PCI_GT64XXX_PCI0 345 select PCI_GT64XXX_PCI0 347 select SYS_HAS_CPU_NEVADA 346 select SYS_HAS_CPU_NEVADA 348 select SYS_HAS_EARLY_PRINTK 347 select SYS_HAS_EARLY_PRINTK 349 select SYS_SUPPORTS_32BIT_KERNEL 348 select SYS_SUPPORTS_32BIT_KERNEL 350 select SYS_SUPPORTS_64BIT_KERNEL 349 select SYS_SUPPORTS_64BIT_KERNEL 351 select SYS_SUPPORTS_LITTLE_ENDIAN 350 select SYS_SUPPORTS_LITTLE_ENDIAN 352 select USE_GENERIC_EARLY_PRINTK_8250 351 select USE_GENERIC_EARLY_PRINTK_8250 353 352 354 config MACH_DECSTATION 353 config MACH_DECSTATION 355 bool "DECstations" 354 bool "DECstations" 356 select BOOT_ELF32 355 select BOOT_ELF32 357 select CEVT_DS1287 356 select CEVT_DS1287 358 select CEVT_R4K if CPU_R4X00 357 select CEVT_R4K if CPU_R4X00 359 select CSRC_IOASIC 358 select CSRC_IOASIC 360 select CSRC_R4K if CPU_R4X00 359 select CSRC_R4K if CPU_R4X00 361 select CPU_DADDI_WORKAROUNDS if 64BIT 360 select CPU_DADDI_WORKAROUNDS if 64BIT 362 select CPU_R4000_WORKAROUNDS if 64BIT 361 select CPU_R4000_WORKAROUNDS if 64BIT 363 select CPU_R4400_WORKAROUNDS if 64BIT 362 select CPU_R4400_WORKAROUNDS if 64BIT 364 select DMA_NONCOHERENT 363 select DMA_NONCOHERENT 365 select NO_IOPORT_MAP 364 select NO_IOPORT_MAP 366 select IRQ_MIPS_CPU 365 select IRQ_MIPS_CPU 367 select SYS_HAS_CPU_R3000 366 select SYS_HAS_CPU_R3000 368 select SYS_HAS_CPU_R4X00 367 select SYS_HAS_CPU_R4X00 369 select SYS_SUPPORTS_32BIT_KERNEL 368 select SYS_SUPPORTS_32BIT_KERNEL 370 select SYS_SUPPORTS_64BIT_KERNEL 369 select SYS_SUPPORTS_64BIT_KERNEL 371 select SYS_SUPPORTS_LITTLE_ENDIAN 370 select SYS_SUPPORTS_LITTLE_ENDIAN 372 select SYS_SUPPORTS_128HZ 371 select SYS_SUPPORTS_128HZ 373 select SYS_SUPPORTS_256HZ 372 select SYS_SUPPORTS_256HZ 374 select SYS_SUPPORTS_1024HZ 373 select SYS_SUPPORTS_1024HZ 375 select MIPS_L1_CACHE_SHIFT_4 374 select MIPS_L1_CACHE_SHIFT_4 376 help 375 help 377 This enables support for DEC's MIPS 376 This enables support for DEC's MIPS based workstations. For details 378 see the Linux/MIPS FAQ on <http://ww 377 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 379 DECstation porting pages on <http:// 378 DECstation porting pages on <http://decstation.unix-ag.org/>. 380 379 381 If you have one of the following DEC 380 If you have one of the following DECstation Models you definitely 382 want to choose R4xx0 for the CPU Typ 381 want to choose R4xx0 for the CPU Type: 383 382 384 DECstation 5000/50 383 DECstation 5000/50 385 DECstation 5000/150 384 DECstation 5000/150 386 DECstation 5000/260 385 DECstation 5000/260 387 DECsystem 5900/260 386 DECsystem 5900/260 388 387 389 otherwise choose R3000. 388 otherwise choose R3000. 390 389 391 config MACH_JAZZ 390 config MACH_JAZZ 392 bool "Jazz family of machines" 391 bool "Jazz family of machines" 393 select ARC_MEMORY 392 select ARC_MEMORY 394 select ARC_PROMLIB 393 select ARC_PROMLIB 395 select ARCH_MIGHT_HAVE_PC_PARPORT 394 select ARCH_MIGHT_HAVE_PC_PARPORT 396 select ARCH_MIGHT_HAVE_PC_SERIO 395 select ARCH_MIGHT_HAVE_PC_SERIO >> 396 select DMA_OPS 397 select FW_ARC 397 select FW_ARC 398 select FW_ARC32 398 select FW_ARC32 399 select ARCH_MAY_HAVE_PC_FDC 399 select ARCH_MAY_HAVE_PC_FDC 400 select CEVT_R4K 400 select CEVT_R4K 401 select CSRC_R4K 401 select CSRC_R4K 402 select DEFAULT_SGI_PARTITION if CPU_BI 402 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 403 select GENERIC_ISA_DMA 403 select GENERIC_ISA_DMA 404 select HAVE_PCSPKR_PLATFORM 404 select HAVE_PCSPKR_PLATFORM 405 select IRQ_MIPS_CPU 405 select IRQ_MIPS_CPU 406 select I8253 406 select I8253 407 select I8259 407 select I8259 408 select ISA 408 select ISA 409 select SYS_HAS_CPU_R4X00 409 select SYS_HAS_CPU_R4X00 410 select SYS_SUPPORTS_32BIT_KERNEL 410 select SYS_SUPPORTS_32BIT_KERNEL 411 select SYS_SUPPORTS_64BIT_KERNEL 411 select SYS_SUPPORTS_64BIT_KERNEL 412 select SYS_SUPPORTS_100HZ 412 select SYS_SUPPORTS_100HZ 413 select SYS_SUPPORTS_LITTLE_ENDIAN 413 select SYS_SUPPORTS_LITTLE_ENDIAN 414 help 414 help 415 This a family of machines based on t 415 This a family of machines based on the MIPS R4030 chipset which was 416 used by several vendors to build RIS 416 used by several vendors to build RISC/os and Windows NT workstations. 417 Members include the Acer PICA, MIPS 417 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 418 Olivetti M700-10 workstations. 418 Olivetti M700-10 workstations. 419 419 420 config MACH_INGENIC_SOC 420 config MACH_INGENIC_SOC 421 bool "Ingenic SoC based machines" 421 bool "Ingenic SoC based machines" 422 select MIPS_GENERIC 422 select MIPS_GENERIC 423 select MACH_INGENIC 423 select MACH_INGENIC 424 select MACH_GENERIC_CORE 424 select MACH_GENERIC_CORE 425 select SYS_SUPPORTS_ZBOOT_UART16550 425 select SYS_SUPPORTS_ZBOOT_UART16550 426 select CPU_SUPPORTS_CPUFREQ 426 select CPU_SUPPORTS_CPUFREQ 427 select MIPS_EXTERNAL_TIMER 427 select MIPS_EXTERNAL_TIMER 428 428 429 config LANTIQ 429 config LANTIQ 430 bool "Lantiq based platforms" 430 bool "Lantiq based platforms" 431 select DMA_NONCOHERENT 431 select DMA_NONCOHERENT 432 select IRQ_MIPS_CPU 432 select IRQ_MIPS_CPU 433 select CEVT_R4K 433 select CEVT_R4K 434 select CSRC_R4K 434 select CSRC_R4K 435 select NO_EXCEPT_FILL 435 select NO_EXCEPT_FILL 436 select SYS_HAS_CPU_MIPS32_R1 436 select SYS_HAS_CPU_MIPS32_R1 437 select SYS_HAS_CPU_MIPS32_R2 437 select SYS_HAS_CPU_MIPS32_R2 438 select SYS_SUPPORTS_BIG_ENDIAN 438 select SYS_SUPPORTS_BIG_ENDIAN 439 select SYS_SUPPORTS_32BIT_KERNEL 439 select SYS_SUPPORTS_32BIT_KERNEL 440 select SYS_SUPPORTS_MIPS16 440 select SYS_SUPPORTS_MIPS16 441 select SYS_SUPPORTS_MULTITHREADING 441 select SYS_SUPPORTS_MULTITHREADING 442 select SYS_SUPPORTS_VPE_LOADER 442 select SYS_SUPPORTS_VPE_LOADER 443 select SYS_HAS_EARLY_PRINTK 443 select SYS_HAS_EARLY_PRINTK 444 select GPIOLIB 444 select GPIOLIB 445 select SWAP_IO_SPACE 445 select SWAP_IO_SPACE 446 select BOOT_RAW 446 select BOOT_RAW 447 select HAVE_LEGACY_CLK 447 select HAVE_LEGACY_CLK 448 select USE_OF 448 select USE_OF 449 select PINCTRL 449 select PINCTRL 450 select PINCTRL_LANTIQ 450 select PINCTRL_LANTIQ 451 select ARCH_HAS_RESET_CONTROLLER 451 select ARCH_HAS_RESET_CONTROLLER 452 select RESET_CONTROLLER 452 select RESET_CONTROLLER 453 453 454 config MACH_LOONGSON32 454 config MACH_LOONGSON32 455 bool "Loongson 32-bit family of machin 455 bool "Loongson 32-bit family of machines" 456 select SYS_SUPPORTS_ZBOOT 456 select SYS_SUPPORTS_ZBOOT 457 help 457 help 458 This enables support for the Loongso 458 This enables support for the Loongson-1 family of machines. 459 459 460 Loongson-1 is a family of 32-bit MIP 460 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 461 the Institute of Computing Technolog 461 the Institute of Computing Technology (ICT), Chinese Academy of 462 Sciences (CAS). 462 Sciences (CAS). 463 463 464 config MACH_LOONGSON2EF 464 config MACH_LOONGSON2EF 465 bool "Loongson-2E/F family of machines 465 bool "Loongson-2E/F family of machines" 466 select SYS_SUPPORTS_ZBOOT 466 select SYS_SUPPORTS_ZBOOT 467 help 467 help 468 This enables the support of early Lo 468 This enables the support of early Loongson-2E/F family of machines. 469 469 470 config MACH_LOONGSON64 470 config MACH_LOONGSON64 471 bool "Loongson 64-bit family of machin 471 bool "Loongson 64-bit family of machines" 472 select ARCH_DMA_DEFAULT_COHERENT 472 select ARCH_DMA_DEFAULT_COHERENT 473 select ARCH_SPARSEMEM_ENABLE 473 select ARCH_SPARSEMEM_ENABLE 474 select ARCH_MIGHT_HAVE_PC_PARPORT 474 select ARCH_MIGHT_HAVE_PC_PARPORT 475 select ARCH_MIGHT_HAVE_PC_SERIO 475 select ARCH_MIGHT_HAVE_PC_SERIO 476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 477 select BOOT_ELF32 477 select BOOT_ELF32 478 select BOARD_SCACHE 478 select BOARD_SCACHE 479 select CSRC_R4K 479 select CSRC_R4K 480 select CEVT_R4K 480 select CEVT_R4K 481 select SYNC_R4K << 482 select FORCE_PCI 481 select FORCE_PCI 483 select ISA 482 select ISA 484 select I8259 483 select I8259 485 select IRQ_MIPS_CPU 484 select IRQ_MIPS_CPU 486 select NO_EXCEPT_FILL 485 select NO_EXCEPT_FILL 487 select NR_CPUS_DEFAULT_64 486 select NR_CPUS_DEFAULT_64 488 select USE_GENERIC_EARLY_PRINTK_8250 487 select USE_GENERIC_EARLY_PRINTK_8250 489 select PCI_DRIVERS_GENERIC 488 select PCI_DRIVERS_GENERIC 490 select SYS_HAS_CPU_LOONGSON64 489 select SYS_HAS_CPU_LOONGSON64 491 select SYS_HAS_EARLY_PRINTK 490 select SYS_HAS_EARLY_PRINTK 492 select SYS_SUPPORTS_SMP 491 select SYS_SUPPORTS_SMP 493 select SYS_SUPPORTS_HOTPLUG_CPU 492 select SYS_SUPPORTS_HOTPLUG_CPU 494 select SYS_SUPPORTS_NUMA 493 select SYS_SUPPORTS_NUMA 495 select SYS_SUPPORTS_64BIT_KERNEL 494 select SYS_SUPPORTS_64BIT_KERNEL 496 select SYS_SUPPORTS_HIGHMEM 495 select SYS_SUPPORTS_HIGHMEM 497 select SYS_SUPPORTS_LITTLE_ENDIAN 496 select SYS_SUPPORTS_LITTLE_ENDIAN 498 select SYS_SUPPORTS_ZBOOT 497 select SYS_SUPPORTS_ZBOOT 499 select SYS_SUPPORTS_RELOCATABLE 498 select SYS_SUPPORTS_RELOCATABLE 500 select ZONE_DMA32 499 select ZONE_DMA32 501 select COMMON_CLK 500 select COMMON_CLK 502 select USE_OF 501 select USE_OF 503 select BUILTIN_DTB 502 select BUILTIN_DTB 504 select PCI_HOST_GENERIC 503 select PCI_HOST_GENERIC >> 504 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA 505 help 505 help 506 This enables the support of Loongson 506 This enables the support of Loongson-2/3 family of machines. 507 507 508 Loongson-2 and Loongson-3 are 64-bit 508 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 509 GS264/GS464/GS464E/GS464V microarchi 509 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 510 and Loongson-2F which will be remove 510 and Loongson-2F which will be removed), developed by the Institute 511 of Computing Technology (ICT), Chine 511 of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 512 512 513 config MIPS_MALTA 513 config MIPS_MALTA 514 bool "MIPS Malta board" 514 bool "MIPS Malta board" 515 select ARCH_MAY_HAVE_PC_FDC 515 select ARCH_MAY_HAVE_PC_FDC 516 select ARCH_MIGHT_HAVE_PC_PARPORT 516 select ARCH_MIGHT_HAVE_PC_PARPORT 517 select ARCH_MIGHT_HAVE_PC_SERIO 517 select ARCH_MIGHT_HAVE_PC_SERIO 518 select BOOT_ELF32 518 select BOOT_ELF32 519 select BOOT_RAW 519 select BOOT_RAW 520 select BUILTIN_DTB 520 select BUILTIN_DTB 521 select CEVT_R4K 521 select CEVT_R4K 522 select CLKSRC_MIPS_GIC 522 select CLKSRC_MIPS_GIC 523 select COMMON_CLK 523 select COMMON_CLK 524 select CSRC_R4K 524 select CSRC_R4K 525 select DMA_NONCOHERENT 525 select DMA_NONCOHERENT 526 select GENERIC_ISA_DMA 526 select GENERIC_ISA_DMA 527 select HAVE_PCSPKR_PLATFORM 527 select HAVE_PCSPKR_PLATFORM 528 select HAVE_PCI 528 select HAVE_PCI 529 select I8253 529 select I8253 530 select I8259 530 select I8259 531 select IRQ_MIPS_CPU 531 select IRQ_MIPS_CPU 532 select MIPS_BONITO64 532 select MIPS_BONITO64 533 select MIPS_CPU_SCACHE 533 select MIPS_CPU_SCACHE 534 select MIPS_GIC 534 select MIPS_GIC 535 select MIPS_L1_CACHE_SHIFT_6 535 select MIPS_L1_CACHE_SHIFT_6 536 select MIPS_MSC 536 select MIPS_MSC 537 select PCI_GT64XXX_PCI0 537 select PCI_GT64XXX_PCI0 538 select SMP_UP if SMP 538 select SMP_UP if SMP 539 select SWAP_IO_SPACE 539 select SWAP_IO_SPACE 540 select SYS_HAS_CPU_MIPS32_R1 540 select SYS_HAS_CPU_MIPS32_R1 541 select SYS_HAS_CPU_MIPS32_R2 541 select SYS_HAS_CPU_MIPS32_R2 542 select SYS_HAS_CPU_MIPS32_R3_5 542 select SYS_HAS_CPU_MIPS32_R3_5 543 select SYS_HAS_CPU_MIPS32_R5 543 select SYS_HAS_CPU_MIPS32_R5 544 select SYS_HAS_CPU_MIPS32_R6 544 select SYS_HAS_CPU_MIPS32_R6 545 select SYS_HAS_CPU_MIPS64_R1 545 select SYS_HAS_CPU_MIPS64_R1 546 select SYS_HAS_CPU_MIPS64_R2 546 select SYS_HAS_CPU_MIPS64_R2 547 select SYS_HAS_CPU_MIPS64_R6 547 select SYS_HAS_CPU_MIPS64_R6 548 select SYS_HAS_CPU_NEVADA 548 select SYS_HAS_CPU_NEVADA 549 select SYS_HAS_CPU_RM7000 549 select SYS_HAS_CPU_RM7000 550 select SYS_SUPPORTS_32BIT_KERNEL 550 select SYS_SUPPORTS_32BIT_KERNEL 551 select SYS_SUPPORTS_64BIT_KERNEL 551 select SYS_SUPPORTS_64BIT_KERNEL 552 select SYS_SUPPORTS_BIG_ENDIAN 552 select SYS_SUPPORTS_BIG_ENDIAN 553 select SYS_SUPPORTS_HIGHMEM 553 select SYS_SUPPORTS_HIGHMEM 554 select SYS_SUPPORTS_LITTLE_ENDIAN 554 select SYS_SUPPORTS_LITTLE_ENDIAN 555 select SYS_SUPPORTS_MICROMIPS 555 select SYS_SUPPORTS_MICROMIPS 556 select SYS_SUPPORTS_MIPS16 556 select SYS_SUPPORTS_MIPS16 557 select SYS_SUPPORTS_MIPS_CPS 557 select SYS_SUPPORTS_MIPS_CPS 558 select SYS_SUPPORTS_MULTITHREADING 558 select SYS_SUPPORTS_MULTITHREADING 559 select SYS_SUPPORTS_RELOCATABLE 559 select SYS_SUPPORTS_RELOCATABLE 560 select SYS_SUPPORTS_SMARTMIPS 560 select SYS_SUPPORTS_SMARTMIPS 561 select SYS_SUPPORTS_VPE_LOADER 561 select SYS_SUPPORTS_VPE_LOADER 562 select SYS_SUPPORTS_ZBOOT 562 select SYS_SUPPORTS_ZBOOT 563 select USE_OF 563 select USE_OF 564 select WAR_ICACHE_REFILLS 564 select WAR_ICACHE_REFILLS 565 select ZONE_DMA32 if 64BIT 565 select ZONE_DMA32 if 64BIT 566 help 566 help 567 This enables support for the MIPS Te 567 This enables support for the MIPS Technologies Malta evaluation 568 board. 568 board. 569 569 570 config MACH_PIC32 570 config MACH_PIC32 571 bool "Microchip PIC32 Family" 571 bool "Microchip PIC32 Family" 572 help 572 help 573 This enables support for the Microch 573 This enables support for the Microchip PIC32 family of platforms. 574 574 575 Microchip PIC32 is a family of gener 575 Microchip PIC32 is a family of general-purpose 32 bit MIPS core 576 microcontrollers. 576 microcontrollers. 577 577 578 config EYEQ !! 578 config MACH_EYEQ5 579 bool "Mobileye EyeQ SoC" !! 579 bool "Mobileye EyeQ5 SoC" 580 select MACH_GENERIC_CORE 580 select MACH_GENERIC_CORE 581 select ARM_AMBA 581 select ARM_AMBA 582 select PHYSICAL_START_BOOL 582 select PHYSICAL_START_BOOL 583 select ARCH_SPARSEMEM_DEFAULT if 64BIT 583 select ARCH_SPARSEMEM_DEFAULT if 64BIT 584 select BOOT_RAW 584 select BOOT_RAW 585 select BUILTIN_DTB 585 select BUILTIN_DTB 586 select CEVT_R4K 586 select CEVT_R4K 587 select CLKSRC_MIPS_GIC 587 select CLKSRC_MIPS_GIC 588 select COMMON_CLK 588 select COMMON_CLK 589 select CPU_MIPSR2_IRQ_EI 589 select CPU_MIPSR2_IRQ_EI 590 select CPU_MIPSR2_IRQ_VI 590 select CPU_MIPSR2_IRQ_VI 591 select CSRC_R4K 591 select CSRC_R4K 592 select DMA_NONCOHERENT 592 select DMA_NONCOHERENT 593 select HAVE_PCI 593 select HAVE_PCI 594 select IRQ_MIPS_CPU 594 select IRQ_MIPS_CPU 595 select MIPS_AUTO_PFN_OFFSET 595 select MIPS_AUTO_PFN_OFFSET 596 select MIPS_CPU_SCACHE 596 select MIPS_CPU_SCACHE 597 select MIPS_GIC 597 select MIPS_GIC 598 select MIPS_L1_CACHE_SHIFT_7 598 select MIPS_L1_CACHE_SHIFT_7 599 select PCI_DRIVERS_GENERIC 599 select PCI_DRIVERS_GENERIC 600 select SMP_UP if SMP 600 select SMP_UP if SMP 601 select SWAP_IO_SPACE 601 select SWAP_IO_SPACE 602 select SYS_HAS_CPU_MIPS64_R6 602 select SYS_HAS_CPU_MIPS64_R6 603 select SYS_SUPPORTS_64BIT_KERNEL 603 select SYS_SUPPORTS_64BIT_KERNEL 604 select SYS_SUPPORTS_HIGHMEM 604 select SYS_SUPPORTS_HIGHMEM 605 select SYS_SUPPORTS_LITTLE_ENDIAN 605 select SYS_SUPPORTS_LITTLE_ENDIAN 606 select SYS_SUPPORTS_MIPS_CPS 606 select SYS_SUPPORTS_MIPS_CPS 607 select SYS_SUPPORTS_RELOCATABLE 607 select SYS_SUPPORTS_RELOCATABLE 608 select SYS_SUPPORTS_ZBOOT 608 select SYS_SUPPORTS_ZBOOT 609 select UHI_BOOT 609 select UHI_BOOT 610 select USB_EHCI_BIG_ENDIAN_DESC if CPU 610 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 612 select USB_OHCI_BIG_ENDIAN_DESC if CPU 612 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 614 select USB_UHCI_BIG_ENDIAN_DESC if CPU 614 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 616 select USE_OF 616 select USE_OF 617 help 617 help 618 Select this to build a kernel suppor !! 618 Select this to build a kernel supporting EyeQ5 SoC from Mobileye. 619 619 620 bool 620 bool 621 621 622 config MACH_NINTENDO64 622 config MACH_NINTENDO64 623 bool "Nintendo 64 console" 623 bool "Nintendo 64 console" 624 select CEVT_R4K 624 select CEVT_R4K 625 select CSRC_R4K 625 select CSRC_R4K 626 select SYS_HAS_CPU_R4300 626 select SYS_HAS_CPU_R4300 627 select SYS_SUPPORTS_BIG_ENDIAN 627 select SYS_SUPPORTS_BIG_ENDIAN 628 select SYS_SUPPORTS_ZBOOT 628 select SYS_SUPPORTS_ZBOOT 629 select SYS_SUPPORTS_32BIT_KERNEL 629 select SYS_SUPPORTS_32BIT_KERNEL 630 select SYS_SUPPORTS_64BIT_KERNEL 630 select SYS_SUPPORTS_64BIT_KERNEL 631 select DMA_NONCOHERENT 631 select DMA_NONCOHERENT 632 select IRQ_MIPS_CPU 632 select IRQ_MIPS_CPU 633 633 634 config RALINK 634 config RALINK 635 bool "Ralink based machines" 635 bool "Ralink based machines" 636 select CEVT_R4K 636 select CEVT_R4K 637 select COMMON_CLK 637 select COMMON_CLK 638 select CSRC_R4K 638 select CSRC_R4K 639 select BOOT_RAW 639 select BOOT_RAW 640 select DMA_NONCOHERENT 640 select DMA_NONCOHERENT 641 select IRQ_MIPS_CPU 641 select IRQ_MIPS_CPU 642 select USE_OF 642 select USE_OF 643 select SYS_HAS_CPU_MIPS32_R2 643 select SYS_HAS_CPU_MIPS32_R2 644 select SYS_SUPPORTS_32BIT_KERNEL 644 select SYS_SUPPORTS_32BIT_KERNEL 645 select SYS_SUPPORTS_LITTLE_ENDIAN 645 select SYS_SUPPORTS_LITTLE_ENDIAN 646 select SYS_SUPPORTS_MIPS16 646 select SYS_SUPPORTS_MIPS16 647 select SYS_SUPPORTS_ZBOOT 647 select SYS_SUPPORTS_ZBOOT 648 select SYS_HAS_EARLY_PRINTK 648 select SYS_HAS_EARLY_PRINTK 649 select ARCH_HAS_RESET_CONTROLLER 649 select ARCH_HAS_RESET_CONTROLLER 650 select RESET_CONTROLLER 650 select RESET_CONTROLLER 651 651 652 config MACH_REALTEK_RTL 652 config MACH_REALTEK_RTL 653 bool "Realtek RTL838x/RTL839x based ma 653 bool "Realtek RTL838x/RTL839x based machines" 654 select MIPS_GENERIC 654 select MIPS_GENERIC 655 select MACH_GENERIC_CORE 655 select MACH_GENERIC_CORE 656 select DMA_NONCOHERENT 656 select DMA_NONCOHERENT 657 select IRQ_MIPS_CPU 657 select IRQ_MIPS_CPU 658 select CSRC_R4K 658 select CSRC_R4K 659 select CEVT_R4K 659 select CEVT_R4K 660 select SYS_HAS_CPU_MIPS32_R1 660 select SYS_HAS_CPU_MIPS32_R1 661 select SYS_HAS_CPU_MIPS32_R2 661 select SYS_HAS_CPU_MIPS32_R2 662 select SYS_SUPPORTS_BIG_ENDIAN 662 select SYS_SUPPORTS_BIG_ENDIAN 663 select SYS_SUPPORTS_32BIT_KERNEL 663 select SYS_SUPPORTS_32BIT_KERNEL 664 select SYS_SUPPORTS_MIPS16 664 select SYS_SUPPORTS_MIPS16 665 select SYS_SUPPORTS_MULTITHREADING 665 select SYS_SUPPORTS_MULTITHREADING 666 select SYS_SUPPORTS_VPE_LOADER 666 select SYS_SUPPORTS_VPE_LOADER 667 select BOOT_RAW 667 select BOOT_RAW 668 select PINCTRL 668 select PINCTRL 669 select USE_OF 669 select USE_OF 670 select REALTEK_OTTO_TIMER << 671 670 672 config SGI_IP22 671 config SGI_IP22 673 bool "SGI IP22 (Indy/Indigo2)" 672 bool "SGI IP22 (Indy/Indigo2)" 674 select ARC_MEMORY 673 select ARC_MEMORY 675 select ARC_PROMLIB 674 select ARC_PROMLIB 676 select FW_ARC 675 select FW_ARC 677 select FW_ARC32 676 select FW_ARC32 678 select ARCH_MIGHT_HAVE_PC_SERIO 677 select ARCH_MIGHT_HAVE_PC_SERIO 679 select BOOT_ELF32 678 select BOOT_ELF32 680 select CEVT_R4K 679 select CEVT_R4K 681 select CSRC_R4K 680 select CSRC_R4K 682 select DEFAULT_SGI_PARTITION 681 select DEFAULT_SGI_PARTITION 683 select DMA_NONCOHERENT 682 select DMA_NONCOHERENT 684 select HAVE_EISA 683 select HAVE_EISA 685 select I8253 684 select I8253 686 select I8259 685 select I8259 687 select IP22_CPU_SCACHE 686 select IP22_CPU_SCACHE 688 select IRQ_MIPS_CPU 687 select IRQ_MIPS_CPU 689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 688 select GENERIC_ISA_DMA_SUPPORT_BROKEN 690 select SGI_HAS_I8042 689 select SGI_HAS_I8042 691 select SGI_HAS_INDYDOG 690 select SGI_HAS_INDYDOG 692 select SGI_HAS_HAL2 691 select SGI_HAS_HAL2 693 select SGI_HAS_SEEQ 692 select SGI_HAS_SEEQ 694 select SGI_HAS_WD93 693 select SGI_HAS_WD93 695 select SGI_HAS_ZILOG 694 select SGI_HAS_ZILOG 696 select SWAP_IO_SPACE 695 select SWAP_IO_SPACE 697 select SYS_HAS_CPU_R4X00 696 select SYS_HAS_CPU_R4X00 698 select SYS_HAS_CPU_R5000 697 select SYS_HAS_CPU_R5000 699 select SYS_HAS_EARLY_PRINTK 698 select SYS_HAS_EARLY_PRINTK 700 select SYS_SUPPORTS_32BIT_KERNEL 699 select SYS_SUPPORTS_32BIT_KERNEL 701 select SYS_SUPPORTS_64BIT_KERNEL 700 select SYS_SUPPORTS_64BIT_KERNEL 702 select SYS_SUPPORTS_BIG_ENDIAN 701 select SYS_SUPPORTS_BIG_ENDIAN 703 select WAR_R4600_V1_INDEX_ICACHEOP 702 select WAR_R4600_V1_INDEX_ICACHEOP 704 select WAR_R4600_V1_HIT_CACHEOP 703 select WAR_R4600_V1_HIT_CACHEOP 705 select WAR_R4600_V2_HIT_CACHEOP 704 select WAR_R4600_V2_HIT_CACHEOP 706 select MIPS_L1_CACHE_SHIFT_7 705 select MIPS_L1_CACHE_SHIFT_7 707 help 706 help 708 This are the SGI Indy, Challenge S a 707 This are the SGI Indy, Challenge S and Indigo2, as well as certain 709 OEM variants like the Tandem CMN B00 708 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 710 that runs on these, say Y here. 709 that runs on these, say Y here. 711 710 712 config SGI_IP27 711 config SGI_IP27 713 bool "SGI IP27 (Origin200/2000)" 712 bool "SGI IP27 (Origin200/2000)" 714 select ARCH_HAS_PHYS_TO_DMA 713 select ARCH_HAS_PHYS_TO_DMA 715 select ARCH_SPARSEMEM_ENABLE 714 select ARCH_SPARSEMEM_ENABLE 716 select FW_ARC 715 select FW_ARC 717 select FW_ARC64 716 select FW_ARC64 718 select ARC_CMDLINE_ONLY 717 select ARC_CMDLINE_ONLY 719 select BOOT_ELF64 718 select BOOT_ELF64 720 select DEFAULT_SGI_PARTITION 719 select DEFAULT_SGI_PARTITION 721 select FORCE_PCI 720 select FORCE_PCI 722 select SYS_HAS_EARLY_PRINTK 721 select SYS_HAS_EARLY_PRINTK 723 select HAVE_PCI 722 select HAVE_PCI 724 select IRQ_MIPS_CPU 723 select IRQ_MIPS_CPU 725 select IRQ_DOMAIN_HIERARCHY 724 select IRQ_DOMAIN_HIERARCHY 726 select NR_CPUS_DEFAULT_64 725 select NR_CPUS_DEFAULT_64 727 select PCI_DRIVERS_GENERIC 726 select PCI_DRIVERS_GENERIC 728 select PCI_XTALK_BRIDGE 727 select PCI_XTALK_BRIDGE 729 select SYS_HAS_CPU_R10000 728 select SYS_HAS_CPU_R10000 730 select SYS_SUPPORTS_64BIT_KERNEL 729 select SYS_SUPPORTS_64BIT_KERNEL 731 select SYS_SUPPORTS_BIG_ENDIAN 730 select SYS_SUPPORTS_BIG_ENDIAN 732 select SYS_SUPPORTS_NUMA 731 select SYS_SUPPORTS_NUMA 733 select SYS_SUPPORTS_SMP 732 select SYS_SUPPORTS_SMP 734 select WAR_R10000_LLSC 733 select WAR_R10000_LLSC 735 select MIPS_L1_CACHE_SHIFT_7 734 select MIPS_L1_CACHE_SHIFT_7 736 select NUMA 735 select NUMA >> 736 select HAVE_ARCH_NODEDATA_EXTENSION 737 help 737 help 738 This are the SGI Origin 200, Origin 738 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 739 workstations. To compile a Linux ke 739 workstations. To compile a Linux kernel that runs on these, say Y 740 here. 740 here. 741 741 742 config SGI_IP28 742 config SGI_IP28 743 bool "SGI IP28 (Indigo2 R10k)" 743 bool "SGI IP28 (Indigo2 R10k)" 744 select ARC_MEMORY 744 select ARC_MEMORY 745 select ARC_PROMLIB 745 select ARC_PROMLIB 746 select FW_ARC 746 select FW_ARC 747 select FW_ARC64 747 select FW_ARC64 748 select ARCH_MIGHT_HAVE_PC_SERIO 748 select ARCH_MIGHT_HAVE_PC_SERIO 749 select BOOT_ELF64 749 select BOOT_ELF64 750 select CEVT_R4K 750 select CEVT_R4K 751 select CSRC_R4K 751 select CSRC_R4K 752 select DEFAULT_SGI_PARTITION 752 select DEFAULT_SGI_PARTITION 753 select DMA_NONCOHERENT 753 select DMA_NONCOHERENT 754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 755 select IRQ_MIPS_CPU 755 select IRQ_MIPS_CPU 756 select HAVE_EISA 756 select HAVE_EISA 757 select I8253 757 select I8253 758 select I8259 758 select I8259 759 select SGI_HAS_I8042 759 select SGI_HAS_I8042 760 select SGI_HAS_INDYDOG 760 select SGI_HAS_INDYDOG 761 select SGI_HAS_HAL2 761 select SGI_HAS_HAL2 762 select SGI_HAS_SEEQ 762 select SGI_HAS_SEEQ 763 select SGI_HAS_WD93 763 select SGI_HAS_WD93 764 select SGI_HAS_ZILOG 764 select SGI_HAS_ZILOG 765 select SWAP_IO_SPACE 765 select SWAP_IO_SPACE 766 select SYS_HAS_CPU_R10000 766 select SYS_HAS_CPU_R10000 767 select SYS_HAS_EARLY_PRINTK 767 select SYS_HAS_EARLY_PRINTK 768 select SYS_SUPPORTS_64BIT_KERNEL 768 select SYS_SUPPORTS_64BIT_KERNEL 769 select SYS_SUPPORTS_BIG_ENDIAN 769 select SYS_SUPPORTS_BIG_ENDIAN 770 select WAR_R10000_LLSC 770 select WAR_R10000_LLSC 771 select MIPS_L1_CACHE_SHIFT_7 771 select MIPS_L1_CACHE_SHIFT_7 772 help 772 help 773 This is the SGI Indigo2 with R10000 773 This is the SGI Indigo2 with R10000 processor. To compile a Linux 774 kernel that runs on these, say Y her 774 kernel that runs on these, say Y here. 775 775 776 config SGI_IP30 776 config SGI_IP30 777 bool "SGI IP30 (Octane/Octane2)" 777 bool "SGI IP30 (Octane/Octane2)" 778 select ARCH_HAS_PHYS_TO_DMA 778 select ARCH_HAS_PHYS_TO_DMA 779 select FW_ARC 779 select FW_ARC 780 select FW_ARC64 780 select FW_ARC64 781 select BOOT_ELF64 781 select BOOT_ELF64 782 select CEVT_R4K 782 select CEVT_R4K 783 select CSRC_R4K 783 select CSRC_R4K 784 select FORCE_PCI 784 select FORCE_PCI 785 select SYNC_R4K if SMP 785 select SYNC_R4K if SMP 786 select ZONE_DMA32 786 select ZONE_DMA32 787 select HAVE_PCI 787 select HAVE_PCI 788 select IRQ_MIPS_CPU 788 select IRQ_MIPS_CPU 789 select IRQ_DOMAIN_HIERARCHY 789 select IRQ_DOMAIN_HIERARCHY 790 select PCI_DRIVERS_GENERIC 790 select PCI_DRIVERS_GENERIC 791 select PCI_XTALK_BRIDGE 791 select PCI_XTALK_BRIDGE 792 select SYS_HAS_EARLY_PRINTK 792 select SYS_HAS_EARLY_PRINTK 793 select SYS_HAS_CPU_R10000 793 select SYS_HAS_CPU_R10000 794 select SYS_SUPPORTS_64BIT_KERNEL 794 select SYS_SUPPORTS_64BIT_KERNEL 795 select SYS_SUPPORTS_BIG_ENDIAN 795 select SYS_SUPPORTS_BIG_ENDIAN 796 select SYS_SUPPORTS_SMP 796 select SYS_SUPPORTS_SMP 797 select WAR_R10000_LLSC 797 select WAR_R10000_LLSC 798 select MIPS_L1_CACHE_SHIFT_7 798 select MIPS_L1_CACHE_SHIFT_7 799 select ARC_MEMORY 799 select ARC_MEMORY 800 help 800 help 801 These are the SGI Octane and Octane2 801 These are the SGI Octane and Octane2 graphics workstations. To 802 compile a Linux kernel that runs on 802 compile a Linux kernel that runs on these, say Y here. 803 803 804 config SGI_IP32 804 config SGI_IP32 805 bool "SGI IP32 (O2)" 805 bool "SGI IP32 (O2)" 806 select ARC_MEMORY 806 select ARC_MEMORY 807 select ARC_PROMLIB 807 select ARC_PROMLIB 808 select ARCH_HAS_PHYS_TO_DMA 808 select ARCH_HAS_PHYS_TO_DMA 809 select FW_ARC 809 select FW_ARC 810 select FW_ARC32 810 select FW_ARC32 811 select BOOT_ELF32 811 select BOOT_ELF32 812 select CEVT_R4K 812 select CEVT_R4K 813 select CSRC_R4K 813 select CSRC_R4K 814 select DMA_NONCOHERENT 814 select DMA_NONCOHERENT 815 select HAVE_PCI 815 select HAVE_PCI 816 select IRQ_MIPS_CPU 816 select IRQ_MIPS_CPU 817 select R5000_CPU_SCACHE 817 select R5000_CPU_SCACHE 818 select RM7000_CPU_SCACHE 818 select RM7000_CPU_SCACHE 819 select SYS_HAS_CPU_R5000 819 select SYS_HAS_CPU_R5000 820 select SYS_HAS_CPU_R10000 if BROKEN 820 select SYS_HAS_CPU_R10000 if BROKEN 821 select SYS_HAS_CPU_RM7000 821 select SYS_HAS_CPU_RM7000 822 select SYS_HAS_CPU_NEVADA 822 select SYS_HAS_CPU_NEVADA 823 select SYS_SUPPORTS_64BIT_KERNEL 823 select SYS_SUPPORTS_64BIT_KERNEL 824 select SYS_SUPPORTS_BIG_ENDIAN 824 select SYS_SUPPORTS_BIG_ENDIAN 825 select WAR_ICACHE_REFILLS 825 select WAR_ICACHE_REFILLS 826 help 826 help 827 If you want this kernel to run on SG 827 If you want this kernel to run on SGI O2 workstation, say Y here. 828 828 829 config SIBYTE_CRHONE 829 config SIBYTE_CRHONE 830 bool "Sibyte BCM91125C-CRhone" 830 bool "Sibyte BCM91125C-CRhone" 831 select BOOT_ELF32 831 select BOOT_ELF32 832 select SIBYTE_BCM1125 832 select SIBYTE_BCM1125 833 select SWAP_IO_SPACE 833 select SWAP_IO_SPACE 834 select SYS_HAS_CPU_SB1 834 select SYS_HAS_CPU_SB1 835 select SYS_SUPPORTS_BIG_ENDIAN 835 select SYS_SUPPORTS_BIG_ENDIAN 836 select SYS_SUPPORTS_HIGHMEM 836 select SYS_SUPPORTS_HIGHMEM 837 select SYS_SUPPORTS_LITTLE_ENDIAN 837 select SYS_SUPPORTS_LITTLE_ENDIAN 838 838 839 config SIBYTE_RHONE 839 config SIBYTE_RHONE 840 bool "Sibyte BCM91125E-Rhone" 840 bool "Sibyte BCM91125E-Rhone" 841 select BOOT_ELF32 841 select BOOT_ELF32 842 select SIBYTE_SB1250 842 select SIBYTE_SB1250 843 select SWAP_IO_SPACE 843 select SWAP_IO_SPACE 844 select SYS_HAS_CPU_SB1 844 select SYS_HAS_CPU_SB1 845 select SYS_SUPPORTS_BIG_ENDIAN 845 select SYS_SUPPORTS_BIG_ENDIAN 846 select SYS_SUPPORTS_LITTLE_ENDIAN 846 select SYS_SUPPORTS_LITTLE_ENDIAN 847 847 848 config SIBYTE_SWARM 848 config SIBYTE_SWARM 849 bool "Sibyte BCM91250A-SWARM" 849 bool "Sibyte BCM91250A-SWARM" 850 select BOOT_ELF32 850 select BOOT_ELF32 851 select HAVE_PATA_PLATFORM 851 select HAVE_PATA_PLATFORM 852 select SIBYTE_SB1250 852 select SIBYTE_SB1250 853 select SWAP_IO_SPACE 853 select SWAP_IO_SPACE 854 select SYS_HAS_CPU_SB1 854 select SYS_HAS_CPU_SB1 855 select SYS_SUPPORTS_BIG_ENDIAN 855 select SYS_SUPPORTS_BIG_ENDIAN 856 select SYS_SUPPORTS_HIGHMEM 856 select SYS_SUPPORTS_HIGHMEM 857 select SYS_SUPPORTS_LITTLE_ENDIAN 857 select SYS_SUPPORTS_LITTLE_ENDIAN 858 select ZONE_DMA32 if 64BIT 858 select ZONE_DMA32 if 64BIT 859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 859 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 860 860 861 config SIBYTE_LITTLESUR 861 config SIBYTE_LITTLESUR 862 bool "Sibyte BCM91250C2-LittleSur" 862 bool "Sibyte BCM91250C2-LittleSur" 863 select BOOT_ELF32 863 select BOOT_ELF32 864 select HAVE_PATA_PLATFORM 864 select HAVE_PATA_PLATFORM 865 select SIBYTE_SB1250 865 select SIBYTE_SB1250 866 select SWAP_IO_SPACE 866 select SWAP_IO_SPACE 867 select SYS_HAS_CPU_SB1 867 select SYS_HAS_CPU_SB1 868 select SYS_SUPPORTS_BIG_ENDIAN 868 select SYS_SUPPORTS_BIG_ENDIAN 869 select SYS_SUPPORTS_HIGHMEM 869 select SYS_SUPPORTS_HIGHMEM 870 select SYS_SUPPORTS_LITTLE_ENDIAN 870 select SYS_SUPPORTS_LITTLE_ENDIAN 871 select ZONE_DMA32 if 64BIT 871 select ZONE_DMA32 if 64BIT 872 872 873 config SIBYTE_SENTOSA 873 config SIBYTE_SENTOSA 874 bool "Sibyte BCM91250E-Sentosa" 874 bool "Sibyte BCM91250E-Sentosa" 875 select BOOT_ELF32 875 select BOOT_ELF32 876 select SIBYTE_SB1250 876 select SIBYTE_SB1250 877 select SWAP_IO_SPACE 877 select SWAP_IO_SPACE 878 select SYS_HAS_CPU_SB1 878 select SYS_HAS_CPU_SB1 879 select SYS_SUPPORTS_BIG_ENDIAN 879 select SYS_SUPPORTS_BIG_ENDIAN 880 select SYS_SUPPORTS_LITTLE_ENDIAN 880 select SYS_SUPPORTS_LITTLE_ENDIAN 881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 881 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 882 882 883 config SIBYTE_BIGSUR 883 config SIBYTE_BIGSUR 884 bool "Sibyte BCM91480B-BigSur" 884 bool "Sibyte BCM91480B-BigSur" 885 select BOOT_ELF32 885 select BOOT_ELF32 886 select NR_CPUS_DEFAULT_4 886 select NR_CPUS_DEFAULT_4 887 select SIBYTE_BCM1x80 887 select SIBYTE_BCM1x80 888 select SWAP_IO_SPACE 888 select SWAP_IO_SPACE 889 select SYS_HAS_CPU_SB1 889 select SYS_HAS_CPU_SB1 890 select SYS_SUPPORTS_BIG_ENDIAN 890 select SYS_SUPPORTS_BIG_ENDIAN 891 select SYS_SUPPORTS_HIGHMEM 891 select SYS_SUPPORTS_HIGHMEM 892 select SYS_SUPPORTS_LITTLE_ENDIAN 892 select SYS_SUPPORTS_LITTLE_ENDIAN 893 select ZONE_DMA32 if 64BIT 893 select ZONE_DMA32 if 64BIT 894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 894 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 895 895 896 config SNI_RM 896 config SNI_RM 897 bool "SNI RM200/300/400" 897 bool "SNI RM200/300/400" 898 select ARC_MEMORY 898 select ARC_MEMORY 899 select ARC_PROMLIB 899 select ARC_PROMLIB 900 select FW_ARC if CPU_LITTLE_ENDIAN 900 select FW_ARC if CPU_LITTLE_ENDIAN 901 select FW_ARC32 if CPU_LITTLE_ENDIAN 901 select FW_ARC32 if CPU_LITTLE_ENDIAN 902 select FW_SNIPROM if CPU_BIG_ENDIAN 902 select FW_SNIPROM if CPU_BIG_ENDIAN 903 select ARCH_MAY_HAVE_PC_FDC 903 select ARCH_MAY_HAVE_PC_FDC 904 select ARCH_MIGHT_HAVE_PC_PARPORT 904 select ARCH_MIGHT_HAVE_PC_PARPORT 905 select ARCH_MIGHT_HAVE_PC_SERIO 905 select ARCH_MIGHT_HAVE_PC_SERIO 906 select BOOT_ELF32 906 select BOOT_ELF32 907 select CEVT_R4K 907 select CEVT_R4K 908 select CSRC_R4K 908 select CSRC_R4K 909 select DEFAULT_SGI_PARTITION if CPU_BI 909 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 910 select DMA_NONCOHERENT 910 select DMA_NONCOHERENT 911 select GENERIC_ISA_DMA 911 select GENERIC_ISA_DMA 912 select HAVE_EISA 912 select HAVE_EISA 913 select HAVE_PCSPKR_PLATFORM 913 select HAVE_PCSPKR_PLATFORM 914 select HAVE_PCI 914 select HAVE_PCI 915 select IRQ_MIPS_CPU 915 select IRQ_MIPS_CPU 916 select I8253 916 select I8253 917 select I8259 917 select I8259 918 select ISA 918 select ISA 919 select MIPS_L1_CACHE_SHIFT_6 919 select MIPS_L1_CACHE_SHIFT_6 920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 921 select SYS_HAS_CPU_R4X00 921 select SYS_HAS_CPU_R4X00 922 select SYS_HAS_CPU_R5000 922 select SYS_HAS_CPU_R5000 923 select SYS_HAS_CPU_R10000 923 select SYS_HAS_CPU_R10000 924 select R5000_CPU_SCACHE 924 select R5000_CPU_SCACHE 925 select SYS_HAS_EARLY_PRINTK 925 select SYS_HAS_EARLY_PRINTK 926 select SYS_SUPPORTS_32BIT_KERNEL 926 select SYS_SUPPORTS_32BIT_KERNEL 927 select SYS_SUPPORTS_64BIT_KERNEL 927 select SYS_SUPPORTS_64BIT_KERNEL 928 select SYS_SUPPORTS_BIG_ENDIAN 928 select SYS_SUPPORTS_BIG_ENDIAN 929 select SYS_SUPPORTS_HIGHMEM 929 select SYS_SUPPORTS_HIGHMEM 930 select SYS_SUPPORTS_LITTLE_ENDIAN 930 select SYS_SUPPORTS_LITTLE_ENDIAN 931 select WAR_R4600_V2_HIT_CACHEOP 931 select WAR_R4600_V2_HIT_CACHEOP 932 help 932 help 933 The SNI RM200/300/400 are MIPS-based 933 The SNI RM200/300/400 are MIPS-based machines manufactured by 934 Siemens Nixdorf Informationssysteme 934 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 935 Technology and now in turn merged wi 935 Technology and now in turn merged with Fujitsu. Say Y here to 936 support this machine type. 936 support this machine type. 937 937 938 config MACH_TX49XX 938 config MACH_TX49XX 939 bool "Toshiba TX49 series based machin 939 bool "Toshiba TX49 series based machines" 940 select WAR_TX49XX_ICACHE_INDEX_INV 940 select WAR_TX49XX_ICACHE_INDEX_INV 941 941 942 config MIKROTIK_RB532 942 config MIKROTIK_RB532 943 bool "Mikrotik RB532 boards" 943 bool "Mikrotik RB532 boards" 944 select CEVT_R4K 944 select CEVT_R4K 945 select CSRC_R4K 945 select CSRC_R4K 946 select DMA_NONCOHERENT 946 select DMA_NONCOHERENT 947 select HAVE_PCI 947 select HAVE_PCI 948 select IRQ_MIPS_CPU 948 select IRQ_MIPS_CPU 949 select SYS_HAS_CPU_MIPS32_R1 949 select SYS_HAS_CPU_MIPS32_R1 950 select SYS_SUPPORTS_32BIT_KERNEL 950 select SYS_SUPPORTS_32BIT_KERNEL 951 select SYS_SUPPORTS_LITTLE_ENDIAN 951 select SYS_SUPPORTS_LITTLE_ENDIAN 952 select SWAP_IO_SPACE 952 select SWAP_IO_SPACE 953 select BOOT_RAW 953 select BOOT_RAW 954 select GPIOLIB 954 select GPIOLIB 955 select MIPS_L1_CACHE_SHIFT_4 955 select MIPS_L1_CACHE_SHIFT_4 956 help 956 help 957 Support the Mikrotik(tm) RouterBoard 957 Support the Mikrotik(tm) RouterBoard 532 series, 958 based on the IDT RC32434 SoC. 958 based on the IDT RC32434 SoC. 959 959 960 config CAVIUM_OCTEON_SOC 960 config CAVIUM_OCTEON_SOC 961 bool "Cavium Networks Octeon SoC based 961 bool "Cavium Networks Octeon SoC based boards" 962 select CEVT_R4K 962 select CEVT_R4K 963 select ARCH_HAS_PHYS_TO_DMA 963 select ARCH_HAS_PHYS_TO_DMA 964 select HAVE_RAPIDIO 964 select HAVE_RAPIDIO 965 select PHYS_ADDR_T_64BIT 965 select PHYS_ADDR_T_64BIT 966 select SYS_SUPPORTS_64BIT_KERNEL 966 select SYS_SUPPORTS_64BIT_KERNEL 967 select SYS_SUPPORTS_BIG_ENDIAN 967 select SYS_SUPPORTS_BIG_ENDIAN 968 select EDAC_SUPPORT 968 select EDAC_SUPPORT 969 select EDAC_ATOMIC_SCRUB 969 select EDAC_ATOMIC_SCRUB 970 select SYS_SUPPORTS_LITTLE_ENDIAN 970 select SYS_SUPPORTS_LITTLE_ENDIAN 971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 972 select SYS_HAS_EARLY_PRINTK 972 select SYS_HAS_EARLY_PRINTK 973 select SYS_HAS_CPU_CAVIUM_OCTEON 973 select SYS_HAS_CPU_CAVIUM_OCTEON 974 select HAVE_PCI 974 select HAVE_PCI 975 select HAVE_PLAT_DELAY 975 select HAVE_PLAT_DELAY 976 select HAVE_PLAT_FW_INIT_CMDLINE 976 select HAVE_PLAT_FW_INIT_CMDLINE 977 select HAVE_PLAT_MEMCPY 977 select HAVE_PLAT_MEMCPY 978 select ZONE_DMA32 978 select ZONE_DMA32 979 select GPIOLIB 979 select GPIOLIB 980 select USE_OF 980 select USE_OF 981 select ARCH_SPARSEMEM_ENABLE 981 select ARCH_SPARSEMEM_ENABLE 982 select SYS_SUPPORTS_SMP 982 select SYS_SUPPORTS_SMP 983 select NR_CPUS_DEFAULT_64 983 select NR_CPUS_DEFAULT_64 984 select MIPS_NR_CPU_NR_MAP_1024 984 select MIPS_NR_CPU_NR_MAP_1024 985 select BUILTIN_DTB 985 select BUILTIN_DTB 986 select MTD 986 select MTD 987 select MTD_COMPLEX_MAPPINGS 987 select MTD_COMPLEX_MAPPINGS 988 select SWIOTLB 988 select SWIOTLB 989 select SYS_SUPPORTS_RELOCATABLE 989 select SYS_SUPPORTS_RELOCATABLE 990 help 990 help 991 This option supports all of the Octe 991 This option supports all of the Octeon reference boards from Cavium 992 Networks. It builds a kernel that dy 992 Networks. It builds a kernel that dynamically determines the Octeon 993 CPU type and supports all known boar 993 CPU type and supports all known board reference implementations. 994 Some of the supported boards are: 994 Some of the supported boards are: 995 EBT3000 995 EBT3000 996 EBH3000 996 EBH3000 997 EBH3100 997 EBH3100 998 Thunder 998 Thunder 999 Kodama 999 Kodama 1000 Hikari 1000 Hikari 1001 Say Y here for most Octeon referenc 1001 Say Y here for most Octeon reference boards. 1002 1002 1003 endchoice 1003 endchoice 1004 1004 1005 config FIT_IMAGE_FDT_EPM5 1005 config FIT_IMAGE_FDT_EPM5 1006 bool "Include FDT for Mobileye EyeQ5 1006 bool "Include FDT for Mobileye EyeQ5 development platforms" 1007 depends on MACH_EYEQ5 1007 depends on MACH_EYEQ5 1008 default n 1008 default n 1009 help 1009 help 1010 Enable this to include the FDT for 1010 Enable this to include the FDT for the EyeQ5 development platforms 1011 from Mobileye in the FIT kernel ima 1011 from Mobileye in the FIT kernel image. 1012 This requires u-boot on the platfor 1012 This requires u-boot on the platform. 1013 1013 1014 source "arch/mips/alchemy/Kconfig" 1014 source "arch/mips/alchemy/Kconfig" 1015 source "arch/mips/ath25/Kconfig" 1015 source "arch/mips/ath25/Kconfig" 1016 source "arch/mips/ath79/Kconfig" 1016 source "arch/mips/ath79/Kconfig" 1017 source "arch/mips/bcm47xx/Kconfig" 1017 source "arch/mips/bcm47xx/Kconfig" 1018 source "arch/mips/bcm63xx/Kconfig" 1018 source "arch/mips/bcm63xx/Kconfig" 1019 source "arch/mips/bmips/Kconfig" 1019 source "arch/mips/bmips/Kconfig" 1020 source "arch/mips/generic/Kconfig" 1020 source "arch/mips/generic/Kconfig" 1021 source "arch/mips/ingenic/Kconfig" 1021 source "arch/mips/ingenic/Kconfig" 1022 source "arch/mips/jazz/Kconfig" 1022 source "arch/mips/jazz/Kconfig" 1023 source "arch/mips/lantiq/Kconfig" 1023 source "arch/mips/lantiq/Kconfig" 1024 source "arch/mips/mobileye/Kconfig" << 1025 source "arch/mips/pic32/Kconfig" 1024 source "arch/mips/pic32/Kconfig" 1026 source "arch/mips/ralink/Kconfig" 1025 source "arch/mips/ralink/Kconfig" 1027 source "arch/mips/sgi-ip27/Kconfig" 1026 source "arch/mips/sgi-ip27/Kconfig" 1028 source "arch/mips/sibyte/Kconfig" 1027 source "arch/mips/sibyte/Kconfig" 1029 source "arch/mips/txx9/Kconfig" 1028 source "arch/mips/txx9/Kconfig" 1030 source "arch/mips/cavium-octeon/Kconfig" 1029 source "arch/mips/cavium-octeon/Kconfig" 1031 source "arch/mips/loongson2ef/Kconfig" 1030 source "arch/mips/loongson2ef/Kconfig" 1032 source "arch/mips/loongson32/Kconfig" 1031 source "arch/mips/loongson32/Kconfig" 1033 source "arch/mips/loongson64/Kconfig" 1032 source "arch/mips/loongson64/Kconfig" 1034 1033 1035 endmenu 1034 endmenu 1036 1035 1037 config GENERIC_HWEIGHT 1036 config GENERIC_HWEIGHT 1038 bool 1037 bool 1039 default y 1038 default y 1040 1039 1041 config GENERIC_CALIBRATE_DELAY 1040 config GENERIC_CALIBRATE_DELAY 1042 bool 1041 bool 1043 default y 1042 default y 1044 1043 1045 config SCHED_OMIT_FRAME_POINTER 1044 config SCHED_OMIT_FRAME_POINTER 1046 bool 1045 bool 1047 default y 1046 default y 1048 1047 1049 # 1048 # 1050 # Select some configuration options automatic 1049 # Select some configuration options automatically based on user selections. 1051 # 1050 # 1052 config FW_ARC 1051 config FW_ARC 1053 bool 1052 bool 1054 1053 1055 config ARCH_MAY_HAVE_PC_FDC 1054 config ARCH_MAY_HAVE_PC_FDC 1056 bool 1055 bool 1057 1056 1058 config BOOT_RAW 1057 config BOOT_RAW 1059 bool 1058 bool 1060 1059 1061 config CEVT_BCM1480 1060 config CEVT_BCM1480 1062 bool 1061 bool 1063 1062 1064 config CEVT_DS1287 1063 config CEVT_DS1287 1065 bool 1064 bool 1066 1065 1067 config CEVT_GT641XX 1066 config CEVT_GT641XX 1068 bool 1067 bool 1069 1068 1070 config CEVT_R4K 1069 config CEVT_R4K 1071 bool 1070 bool 1072 1071 1073 config CEVT_SB1250 1072 config CEVT_SB1250 1074 bool 1073 bool 1075 1074 1076 config CEVT_TXX9 1075 config CEVT_TXX9 1077 bool 1076 bool 1078 1077 1079 config CSRC_BCM1480 1078 config CSRC_BCM1480 1080 bool 1079 bool 1081 1080 1082 config CSRC_IOASIC 1081 config CSRC_IOASIC 1083 bool 1082 bool 1084 1083 1085 config CSRC_R4K 1084 config CSRC_R4K 1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1085 select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1087 select HAVE_UNSTABLE_SCHED_CLOCK if S << 1088 bool 1086 bool 1089 1087 1090 config CSRC_SB1250 1088 config CSRC_SB1250 1091 bool 1089 bool 1092 1090 1093 config MIPS_CLOCK_VSYSCALL 1091 config MIPS_CLOCK_VSYSCALL 1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1092 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1095 1093 1096 config GPIO_TXX9 1094 config GPIO_TXX9 1097 select GPIOLIB 1095 select GPIOLIB 1098 bool 1096 bool 1099 1097 1100 config FW_CFE 1098 config FW_CFE 1101 bool 1099 bool 1102 1100 1103 config ARCH_SUPPORTS_UPROBES 1101 config ARCH_SUPPORTS_UPROBES 1104 def_bool y 1102 def_bool y 1105 1103 1106 config DMA_NONCOHERENT 1104 config DMA_NONCOHERENT 1107 bool 1105 bool 1108 # 1106 # 1109 # MIPS allows mixing "slightly differ 1107 # MIPS allows mixing "slightly different" Cacheability and Coherency 1110 # Attribute bits. It is believed tha 1108 # Attribute bits. It is believed that the uncached access through 1111 # KSEG1 and the implementation specif 1109 # KSEG1 and the implementation specific "uncached accelerated" used 1112 # by pgprot_writcombine can be mixed, 1110 # by pgprot_writcombine can be mixed, and the latter sometimes provides 1113 # significant advantages. 1111 # significant advantages. 1114 # 1112 # 1115 select ARCH_HAS_SETUP_DMA_OPS 1113 select ARCH_HAS_SETUP_DMA_OPS 1116 select ARCH_HAS_DMA_WRITE_COMBINE 1114 select ARCH_HAS_DMA_WRITE_COMBINE 1117 select ARCH_HAS_DMA_PREP_COHERENT 1115 select ARCH_HAS_DMA_PREP_COHERENT 1118 select ARCH_HAS_SYNC_DMA_FOR_CPU 1116 select ARCH_HAS_SYNC_DMA_FOR_CPU 1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1117 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1120 select ARCH_HAS_DMA_SET_UNCACHED 1118 select ARCH_HAS_DMA_SET_UNCACHED 1121 select DMA_NONCOHERENT_MMAP 1119 select DMA_NONCOHERENT_MMAP 1122 select NEED_DMA_MAP_STATE 1120 select NEED_DMA_MAP_STATE 1123 1121 1124 config SYS_HAS_EARLY_PRINTK 1122 config SYS_HAS_EARLY_PRINTK 1125 bool 1123 bool 1126 1124 1127 config SYS_SUPPORTS_HOTPLUG_CPU 1125 config SYS_SUPPORTS_HOTPLUG_CPU 1128 bool 1126 bool 1129 1127 1130 config MIPS_BONITO64 1128 config MIPS_BONITO64 1131 bool 1129 bool 1132 1130 1133 config MIPS_MSC 1131 config MIPS_MSC 1134 bool 1132 bool 1135 1133 1136 config SYNC_R4K 1134 config SYNC_R4K 1137 bool 1135 bool 1138 1136 1139 config NO_IOPORT_MAP 1137 config NO_IOPORT_MAP 1140 def_bool n 1138 def_bool n 1141 1139 1142 config GENERIC_CSUM 1140 config GENERIC_CSUM 1143 def_bool CPU_NO_LOAD_STORE_LR 1141 def_bool CPU_NO_LOAD_STORE_LR 1144 1142 1145 config GENERIC_ISA_DMA 1143 config GENERIC_ISA_DMA 1146 bool 1144 bool 1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1145 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1148 select ISA_DMA_API 1146 select ISA_DMA_API 1149 1147 1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1148 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1151 bool 1149 bool 1152 select GENERIC_ISA_DMA 1150 select GENERIC_ISA_DMA 1153 1151 1154 config HAVE_PLAT_DELAY 1152 config HAVE_PLAT_DELAY 1155 bool 1153 bool 1156 1154 1157 config HAVE_PLAT_FW_INIT_CMDLINE 1155 config HAVE_PLAT_FW_INIT_CMDLINE 1158 bool 1156 bool 1159 1157 1160 config HAVE_PLAT_MEMCPY 1158 config HAVE_PLAT_MEMCPY 1161 bool 1159 bool 1162 1160 1163 config ISA_DMA_API 1161 config ISA_DMA_API 1164 bool 1162 bool 1165 1163 1166 config SYS_SUPPORTS_RELOCATABLE 1164 config SYS_SUPPORTS_RELOCATABLE 1167 bool 1165 bool 1168 help 1166 help 1169 Selected if the platform supports r 1167 Selected if the platform supports relocating the kernel. 1170 The platform must provide plat_get_ 1168 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 1171 to allow access to command line and 1169 to allow access to command line and entropy sources. 1172 1170 1173 # 1171 # 1174 # Endianness selection. Sufficiently obscure 1172 # Endianness selection. Sufficiently obscure so many users don't know what to 1175 # answer,so we try hard to limit the availabl 1173 # answer,so we try hard to limit the available choices. Also the use of a 1176 # choice statement should be more obvious to 1174 # choice statement should be more obvious to the user. 1177 # 1175 # 1178 choice 1176 choice 1179 prompt "Endianness selection" 1177 prompt "Endianness selection" 1180 help 1178 help 1181 Some MIPS machines can be configure 1179 Some MIPS machines can be configured for either little or big endian 1182 byte order. These modes require dif 1180 byte order. These modes require different kernels and a different 1183 Linux distribution. In general the 1181 Linux distribution. In general there is one preferred byteorder for a 1184 particular system but some systems 1182 particular system but some systems are just as commonly used in the 1185 one or the other endianness. 1183 one or the other endianness. 1186 1184 1187 config CPU_BIG_ENDIAN 1185 config CPU_BIG_ENDIAN 1188 bool "Big endian" 1186 bool "Big endian" 1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1187 depends on SYS_SUPPORTS_BIG_ENDIAN 1190 1188 1191 config CPU_LITTLE_ENDIAN 1189 config CPU_LITTLE_ENDIAN 1192 bool "Little endian" 1190 bool "Little endian" 1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1191 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1194 1192 1195 endchoice 1193 endchoice 1196 1194 1197 config EXPORT_UASM 1195 config EXPORT_UASM 1198 bool 1196 bool 1199 1197 1200 config SYS_SUPPORTS_APM_EMULATION 1198 config SYS_SUPPORTS_APM_EMULATION 1201 bool 1199 bool 1202 1200 1203 config SYS_SUPPORTS_BIG_ENDIAN 1201 config SYS_SUPPORTS_BIG_ENDIAN 1204 bool 1202 bool 1205 1203 1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1204 config SYS_SUPPORTS_LITTLE_ENDIAN 1207 bool 1205 bool 1208 1206 1209 config MIPS_HUGE_TLB_SUPPORT 1207 config MIPS_HUGE_TLB_SUPPORT 1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1208 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1211 1209 1212 config IRQ_TXX9 1210 config IRQ_TXX9 1213 bool 1211 bool 1214 1212 1215 config IRQ_GT641XX 1213 config IRQ_GT641XX 1216 bool 1214 bool 1217 1215 1218 config PCI_GT64XXX_PCI0 1216 config PCI_GT64XXX_PCI0 1219 bool 1217 bool 1220 1218 1221 config PCI_XTALK_BRIDGE 1219 config PCI_XTALK_BRIDGE 1222 bool 1220 bool 1223 1221 1224 config NO_EXCEPT_FILL 1222 config NO_EXCEPT_FILL 1225 bool 1223 bool 1226 1224 1227 config MIPS_SPRAM 1225 config MIPS_SPRAM 1228 bool 1226 bool 1229 1227 1230 config SWAP_IO_SPACE 1228 config SWAP_IO_SPACE 1231 bool 1229 bool 1232 1230 1233 config SGI_HAS_INDYDOG 1231 config SGI_HAS_INDYDOG 1234 bool 1232 bool 1235 1233 1236 config SGI_HAS_HAL2 1234 config SGI_HAS_HAL2 1237 bool 1235 bool 1238 1236 1239 config SGI_HAS_SEEQ 1237 config SGI_HAS_SEEQ 1240 bool 1238 bool 1241 1239 1242 config SGI_HAS_WD93 1240 config SGI_HAS_WD93 1243 bool 1241 bool 1244 1242 1245 config SGI_HAS_ZILOG 1243 config SGI_HAS_ZILOG 1246 bool 1244 bool 1247 1245 1248 config SGI_HAS_I8042 1246 config SGI_HAS_I8042 1249 bool 1247 bool 1250 1248 1251 config DEFAULT_SGI_PARTITION 1249 config DEFAULT_SGI_PARTITION 1252 bool 1250 bool 1253 1251 1254 config FW_ARC32 1252 config FW_ARC32 1255 bool 1253 bool 1256 1254 1257 config FW_SNIPROM 1255 config FW_SNIPROM 1258 bool 1256 bool 1259 1257 1260 config BOOT_ELF32 1258 config BOOT_ELF32 1261 bool 1259 bool 1262 1260 1263 config MIPS_L1_CACHE_SHIFT_4 1261 config MIPS_L1_CACHE_SHIFT_4 1264 bool 1262 bool 1265 1263 1266 config MIPS_L1_CACHE_SHIFT_5 1264 config MIPS_L1_CACHE_SHIFT_5 1267 bool 1265 bool 1268 1266 1269 config MIPS_L1_CACHE_SHIFT_6 1267 config MIPS_L1_CACHE_SHIFT_6 1270 bool 1268 bool 1271 1269 1272 config MIPS_L1_CACHE_SHIFT_7 1270 config MIPS_L1_CACHE_SHIFT_7 1273 bool 1271 bool 1274 1272 1275 config MIPS_L1_CACHE_SHIFT 1273 config MIPS_L1_CACHE_SHIFT 1276 int 1274 int 1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1275 default "7" if MIPS_L1_CACHE_SHIFT_7 1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1276 default "6" if MIPS_L1_CACHE_SHIFT_6 1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1277 default "5" if MIPS_L1_CACHE_SHIFT_5 1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1278 default "4" if MIPS_L1_CACHE_SHIFT_4 1281 default "5" 1279 default "5" 1282 1280 1283 config ARC_CMDLINE_ONLY 1281 config ARC_CMDLINE_ONLY 1284 bool 1282 bool 1285 1283 1286 config ARC_CONSOLE 1284 config ARC_CONSOLE 1287 bool "ARC console support" 1285 bool "ARC console support" 1288 depends on SGI_IP22 || SGI_IP28 || (S 1286 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1289 1287 1290 config ARC_MEMORY 1288 config ARC_MEMORY 1291 bool 1289 bool 1292 1290 1293 config ARC_PROMLIB 1291 config ARC_PROMLIB 1294 bool 1292 bool 1295 1293 1296 config FW_ARC64 1294 config FW_ARC64 1297 bool 1295 bool 1298 1296 1299 config BOOT_ELF64 1297 config BOOT_ELF64 1300 bool 1298 bool 1301 1299 1302 menu "CPU selection" 1300 menu "CPU selection" 1303 1301 1304 choice 1302 choice 1305 prompt "CPU type" 1303 prompt "CPU type" 1306 default CPU_R4X00 1304 default CPU_R4X00 1307 1305 1308 config CPU_LOONGSON64 1306 config CPU_LOONGSON64 1309 bool "Loongson 64-bit CPU" 1307 bool "Loongson 64-bit CPU" 1310 depends on SYS_HAS_CPU_LOONGSON64 1308 depends on SYS_HAS_CPU_LOONGSON64 1311 select ARCH_HAS_PHYS_TO_DMA 1309 select ARCH_HAS_PHYS_TO_DMA 1312 select CPU_MIPSR2 1310 select CPU_MIPSR2 1313 select CPU_HAS_PREFETCH 1311 select CPU_HAS_PREFETCH 1314 select CPU_SUPPORTS_64BIT_KERNEL 1312 select CPU_SUPPORTS_64BIT_KERNEL 1315 select CPU_SUPPORTS_HIGHMEM 1313 select CPU_SUPPORTS_HIGHMEM 1316 select CPU_SUPPORTS_HUGEPAGES 1314 select CPU_SUPPORTS_HUGEPAGES 1317 select CPU_SUPPORTS_MSA 1315 select CPU_SUPPORTS_MSA 1318 select CPU_SUPPORTS_VZ 1316 select CPU_SUPPORTS_VZ 1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1317 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 1320 select CPU_MIPSR2_IRQ_VI 1318 select CPU_MIPSR2_IRQ_VI 1321 select DMA_NONCOHERENT 1319 select DMA_NONCOHERENT 1322 select WEAK_ORDERING 1320 select WEAK_ORDERING 1323 select WEAK_REORDERING_BEYOND_LLSC 1321 select WEAK_REORDERING_BEYOND_LLSC 1324 select MIPS_ASID_BITS_VARIABLE 1322 select MIPS_ASID_BITS_VARIABLE 1325 select MIPS_PGD_C0_CONTEXT 1323 select MIPS_PGD_C0_CONTEXT 1326 select MIPS_L1_CACHE_SHIFT_6 1324 select MIPS_L1_CACHE_SHIFT_6 1327 select MIPS_FP_SUPPORT 1325 select MIPS_FP_SUPPORT 1328 select GPIOLIB 1326 select GPIOLIB 1329 select SWIOTLB 1327 select SWIOTLB 1330 help 1328 help 1331 The Loongson GSx64(GS264/GS464/GS46 1329 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1332 cores implements the MIPS64R2 instr 1330 cores implements the MIPS64R2 instruction set with many extensions, 1333 including most 64-bit Loongson-2 (2 1331 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1334 3B1000, 3B1500, 3A2000, 3A3000 and 1332 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1335 Loongson-2E/2F is not covered here 1333 Loongson-2E/2F is not covered here and will be removed in future. 1336 1334 1337 config CPU_LOONGSON2E 1335 config CPU_LOONGSON2E 1338 bool "Loongson 2E" 1336 bool "Loongson 2E" 1339 depends on SYS_HAS_CPU_LOONGSON2E 1337 depends on SYS_HAS_CPU_LOONGSON2E 1340 select CPU_LOONGSON2EF 1338 select CPU_LOONGSON2EF 1341 help 1339 help 1342 The Loongson 2E processor implement 1340 The Loongson 2E processor implements the MIPS III instruction set 1343 with many extensions. 1341 with many extensions. 1344 1342 1345 It has an internal FPGA northbridge 1343 It has an internal FPGA northbridge, which is compatible to 1346 bonito64. 1344 bonito64. 1347 1345 1348 config CPU_LOONGSON2F 1346 config CPU_LOONGSON2F 1349 bool "Loongson 2F" 1347 bool "Loongson 2F" 1350 depends on SYS_HAS_CPU_LOONGSON2F 1348 depends on SYS_HAS_CPU_LOONGSON2F 1351 select CPU_LOONGSON2EF 1349 select CPU_LOONGSON2EF 1352 help 1350 help 1353 The Loongson 2F processor implement 1351 The Loongson 2F processor implements the MIPS III instruction set 1354 with many extensions. 1352 with many extensions. 1355 1353 1356 Loongson2F have built-in DDR2 and P 1354 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 1357 have a similar programming interfac 1355 have a similar programming interface with FPGA northbridge used in 1358 Loongson2E. 1356 Loongson2E. 1359 1357 1360 config CPU_LOONGSON1B 1358 config CPU_LOONGSON1B 1361 bool "Loongson 1B" 1359 bool "Loongson 1B" 1362 depends on SYS_HAS_CPU_LOONGSON1B 1360 depends on SYS_HAS_CPU_LOONGSON1B 1363 select CPU_LOONGSON32 1361 select CPU_LOONGSON32 1364 select LEDS_GPIO_REGISTER 1362 select LEDS_GPIO_REGISTER 1365 help 1363 help 1366 The Loongson 1B is a 32-bit SoC, wh 1364 The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1367 Release 1 instruction set and part 1365 Release 1 instruction set and part of the MIPS32 Release 2 1368 instruction set. 1366 instruction set. 1369 1367 1370 config CPU_LOONGSON1C 1368 config CPU_LOONGSON1C 1371 bool "Loongson 1C" 1369 bool "Loongson 1C" 1372 depends on SYS_HAS_CPU_LOONGSON1C 1370 depends on SYS_HAS_CPU_LOONGSON1C 1373 select CPU_LOONGSON32 1371 select CPU_LOONGSON32 1374 select LEDS_GPIO_REGISTER 1372 select LEDS_GPIO_REGISTER 1375 help 1373 help 1376 The Loongson 1C is a 32-bit SoC, wh 1374 The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1377 Release 1 instruction set and part 1375 Release 1 instruction set and part of the MIPS32 Release 2 1378 instruction set. 1376 instruction set. 1379 1377 1380 config CPU_MIPS32_R1 1378 config CPU_MIPS32_R1 1381 bool "MIPS32 Release 1" 1379 bool "MIPS32 Release 1" 1382 depends on SYS_HAS_CPU_MIPS32_R1 1380 depends on SYS_HAS_CPU_MIPS32_R1 1383 select CPU_HAS_PREFETCH 1381 select CPU_HAS_PREFETCH 1384 select CPU_SUPPORTS_32BIT_KERNEL 1382 select CPU_SUPPORTS_32BIT_KERNEL 1385 select CPU_SUPPORTS_HIGHMEM 1383 select CPU_SUPPORTS_HIGHMEM 1386 help 1384 help 1387 Choose this option to build a kerne 1385 Choose this option to build a kernel for release 1 or later of the 1388 MIPS32 architecture. Most modern e 1386 MIPS32 architecture. Most modern embedded systems with a 32-bit 1389 MIPS processor are based on a MIPS3 1387 MIPS processor are based on a MIPS32 processor. If you know the 1390 specific type of processor in your 1388 specific type of processor in your system, choose those that one 1391 otherwise CPU_MIPS32_R1 is a safe b 1389 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1392 Release 2 of the MIPS32 architectur 1390 Release 2 of the MIPS32 architecture is available since several 1393 years so chances are you even have 1391 years so chances are you even have a MIPS32 Release 2 processor 1394 in which case you should choose CPU 1392 in which case you should choose CPU_MIPS32_R2 instead for better 1395 performance. 1393 performance. 1396 1394 1397 config CPU_MIPS32_R2 1395 config CPU_MIPS32_R2 1398 bool "MIPS32 Release 2" 1396 bool "MIPS32 Release 2" 1399 depends on SYS_HAS_CPU_MIPS32_R2 1397 depends on SYS_HAS_CPU_MIPS32_R2 1400 select CPU_HAS_PREFETCH 1398 select CPU_HAS_PREFETCH 1401 select CPU_SUPPORTS_32BIT_KERNEL 1399 select CPU_SUPPORTS_32BIT_KERNEL 1402 select CPU_SUPPORTS_HIGHMEM 1400 select CPU_SUPPORTS_HIGHMEM 1403 select CPU_SUPPORTS_MSA 1401 select CPU_SUPPORTS_MSA 1404 help 1402 help 1405 Choose this option to build a kerne 1403 Choose this option to build a kernel for release 2 or later of the 1406 MIPS32 architecture. Most modern e 1404 MIPS32 architecture. Most modern embedded systems with a 32-bit 1407 MIPS processor are based on a MIPS3 1405 MIPS processor are based on a MIPS32 processor. If you know the 1408 specific type of processor in your 1406 specific type of processor in your system, choose those that one 1409 otherwise CPU_MIPS32_R1 is a safe b 1407 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1410 1408 1411 config CPU_MIPS32_R5 1409 config CPU_MIPS32_R5 1412 bool "MIPS32 Release 5" 1410 bool "MIPS32 Release 5" 1413 depends on SYS_HAS_CPU_MIPS32_R5 1411 depends on SYS_HAS_CPU_MIPS32_R5 1414 select CPU_HAS_PREFETCH 1412 select CPU_HAS_PREFETCH 1415 select CPU_SUPPORTS_32BIT_KERNEL 1413 select CPU_SUPPORTS_32BIT_KERNEL 1416 select CPU_SUPPORTS_HIGHMEM 1414 select CPU_SUPPORTS_HIGHMEM 1417 select CPU_SUPPORTS_MSA 1415 select CPU_SUPPORTS_MSA 1418 select CPU_SUPPORTS_VZ 1416 select CPU_SUPPORTS_VZ 1419 select MIPS_O32_FP64_SUPPORT 1417 select MIPS_O32_FP64_SUPPORT 1420 help 1418 help 1421 Choose this option to build a kerne 1419 Choose this option to build a kernel for release 5 or later of the 1422 MIPS32 architecture. New MIPS proc 1420 MIPS32 architecture. New MIPS processors, starting with the Warrior 1423 family, are based on a MIPS32r5 pro 1421 family, are based on a MIPS32r5 processor. If you own an older 1424 processor, you probably need to sel 1422 processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1425 1423 1426 config CPU_MIPS32_R6 1424 config CPU_MIPS32_R6 1427 bool "MIPS32 Release 6" 1425 bool "MIPS32 Release 6" 1428 depends on SYS_HAS_CPU_MIPS32_R6 1426 depends on SYS_HAS_CPU_MIPS32_R6 1429 select CPU_HAS_PREFETCH 1427 select CPU_HAS_PREFETCH 1430 select CPU_NO_LOAD_STORE_LR 1428 select CPU_NO_LOAD_STORE_LR 1431 select CPU_SUPPORTS_32BIT_KERNEL 1429 select CPU_SUPPORTS_32BIT_KERNEL 1432 select CPU_SUPPORTS_HIGHMEM 1430 select CPU_SUPPORTS_HIGHMEM 1433 select CPU_SUPPORTS_MSA 1431 select CPU_SUPPORTS_MSA 1434 select CPU_SUPPORTS_VZ 1432 select CPU_SUPPORTS_VZ 1435 select MIPS_O32_FP64_SUPPORT 1433 select MIPS_O32_FP64_SUPPORT 1436 help 1434 help 1437 Choose this option to build a kerne 1435 Choose this option to build a kernel for release 6 or later of the 1438 MIPS32 architecture. New MIPS proc 1436 MIPS32 architecture. New MIPS processors, starting with the Warrior 1439 family, are based on a MIPS32r6 pro 1437 family, are based on a MIPS32r6 processor. If you own an older 1440 processor, you probably need to sel 1438 processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1441 1439 1442 config CPU_MIPS64_R1 1440 config CPU_MIPS64_R1 1443 bool "MIPS64 Release 1" 1441 bool "MIPS64 Release 1" 1444 depends on SYS_HAS_CPU_MIPS64_R1 1442 depends on SYS_HAS_CPU_MIPS64_R1 1445 select CPU_HAS_PREFETCH 1443 select CPU_HAS_PREFETCH 1446 select CPU_SUPPORTS_32BIT_KERNEL 1444 select CPU_SUPPORTS_32BIT_KERNEL 1447 select CPU_SUPPORTS_64BIT_KERNEL 1445 select CPU_SUPPORTS_64BIT_KERNEL 1448 select CPU_SUPPORTS_HIGHMEM 1446 select CPU_SUPPORTS_HIGHMEM 1449 select CPU_SUPPORTS_HUGEPAGES 1447 select CPU_SUPPORTS_HUGEPAGES 1450 help 1448 help 1451 Choose this option to build a kerne 1449 Choose this option to build a kernel for release 1 or later of the 1452 MIPS64 architecture. Many modern e 1450 MIPS64 architecture. Many modern embedded systems with a 64-bit 1453 MIPS processor are based on a MIPS6 1451 MIPS processor are based on a MIPS64 processor. If you know the 1454 specific type of processor in your 1452 specific type of processor in your system, choose those that one 1455 otherwise CPU_MIPS64_R1 is a safe b 1453 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1456 Release 2 of the MIPS64 architectur 1454 Release 2 of the MIPS64 architecture is available since several 1457 years so chances are you even have 1455 years so chances are you even have a MIPS64 Release 2 processor 1458 in which case you should choose CPU 1456 in which case you should choose CPU_MIPS64_R2 instead for better 1459 performance. 1457 performance. 1460 1458 1461 config CPU_MIPS64_R2 1459 config CPU_MIPS64_R2 1462 bool "MIPS64 Release 2" 1460 bool "MIPS64 Release 2" 1463 depends on SYS_HAS_CPU_MIPS64_R2 1461 depends on SYS_HAS_CPU_MIPS64_R2 1464 select CPU_HAS_PREFETCH 1462 select CPU_HAS_PREFETCH 1465 select CPU_SUPPORTS_32BIT_KERNEL 1463 select CPU_SUPPORTS_32BIT_KERNEL 1466 select CPU_SUPPORTS_64BIT_KERNEL 1464 select CPU_SUPPORTS_64BIT_KERNEL 1467 select CPU_SUPPORTS_HIGHMEM 1465 select CPU_SUPPORTS_HIGHMEM 1468 select CPU_SUPPORTS_HUGEPAGES 1466 select CPU_SUPPORTS_HUGEPAGES 1469 select CPU_SUPPORTS_MSA 1467 select CPU_SUPPORTS_MSA 1470 help 1468 help 1471 Choose this option to build a kerne 1469 Choose this option to build a kernel for release 2 or later of the 1472 MIPS64 architecture. Many modern e 1470 MIPS64 architecture. Many modern embedded systems with a 64-bit 1473 MIPS processor are based on a MIPS6 1471 MIPS processor are based on a MIPS64 processor. If you know the 1474 specific type of processor in your 1472 specific type of processor in your system, choose those that one 1475 otherwise CPU_MIPS64_R1 is a safe b 1473 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1476 1474 1477 config CPU_MIPS64_R5 1475 config CPU_MIPS64_R5 1478 bool "MIPS64 Release 5" 1476 bool "MIPS64 Release 5" 1479 depends on SYS_HAS_CPU_MIPS64_R5 1477 depends on SYS_HAS_CPU_MIPS64_R5 1480 select CPU_HAS_PREFETCH 1478 select CPU_HAS_PREFETCH 1481 select CPU_SUPPORTS_32BIT_KERNEL 1479 select CPU_SUPPORTS_32BIT_KERNEL 1482 select CPU_SUPPORTS_64BIT_KERNEL 1480 select CPU_SUPPORTS_64BIT_KERNEL 1483 select CPU_SUPPORTS_HIGHMEM 1481 select CPU_SUPPORTS_HIGHMEM 1484 select CPU_SUPPORTS_HUGEPAGES 1482 select CPU_SUPPORTS_HUGEPAGES 1485 select CPU_SUPPORTS_MSA 1483 select CPU_SUPPORTS_MSA 1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1484 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1487 select CPU_SUPPORTS_VZ 1485 select CPU_SUPPORTS_VZ 1488 help 1486 help 1489 Choose this option to build a kerne 1487 Choose this option to build a kernel for release 5 or later of the 1490 MIPS64 architecture. This is a int 1488 MIPS64 architecture. This is a intermediate MIPS architecture 1491 release partly implementing release 1489 release partly implementing release 6 features. Though there is no 1492 any hardware known to be based on t 1490 any hardware known to be based on this release. 1493 1491 1494 config CPU_MIPS64_R6 1492 config CPU_MIPS64_R6 1495 bool "MIPS64 Release 6" 1493 bool "MIPS64 Release 6" 1496 depends on SYS_HAS_CPU_MIPS64_R6 1494 depends on SYS_HAS_CPU_MIPS64_R6 1497 select CPU_HAS_PREFETCH 1495 select CPU_HAS_PREFETCH 1498 select CPU_NO_LOAD_STORE_LR 1496 select CPU_NO_LOAD_STORE_LR 1499 select CPU_SUPPORTS_32BIT_KERNEL 1497 select CPU_SUPPORTS_32BIT_KERNEL 1500 select CPU_SUPPORTS_64BIT_KERNEL 1498 select CPU_SUPPORTS_64BIT_KERNEL 1501 select CPU_SUPPORTS_HIGHMEM 1499 select CPU_SUPPORTS_HIGHMEM 1502 select CPU_SUPPORTS_HUGEPAGES 1500 select CPU_SUPPORTS_HUGEPAGES 1503 select CPU_SUPPORTS_MSA 1501 select CPU_SUPPORTS_MSA 1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1502 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1505 select CPU_SUPPORTS_VZ 1503 select CPU_SUPPORTS_VZ 1506 help 1504 help 1507 Choose this option to build a kerne 1505 Choose this option to build a kernel for release 6 or later of the 1508 MIPS64 architecture. New MIPS proc 1506 MIPS64 architecture. New MIPS processors, starting with the Warrior 1509 family, are based on a MIPS64r6 pro 1507 family, are based on a MIPS64r6 processor. If you own an older 1510 processor, you probably need to sel 1508 processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 1511 1509 1512 config CPU_P5600 1510 config CPU_P5600 1513 bool "MIPS Warrior P5600" 1511 bool "MIPS Warrior P5600" 1514 depends on SYS_HAS_CPU_P5600 1512 depends on SYS_HAS_CPU_P5600 1515 select CPU_HAS_PREFETCH 1513 select CPU_HAS_PREFETCH 1516 select CPU_SUPPORTS_32BIT_KERNEL 1514 select CPU_SUPPORTS_32BIT_KERNEL 1517 select CPU_SUPPORTS_HIGHMEM 1515 select CPU_SUPPORTS_HIGHMEM 1518 select CPU_SUPPORTS_MSA 1516 select CPU_SUPPORTS_MSA 1519 select CPU_SUPPORTS_CPUFREQ 1517 select CPU_SUPPORTS_CPUFREQ 1520 select CPU_SUPPORTS_VZ 1518 select CPU_SUPPORTS_VZ 1521 select CPU_MIPSR2_IRQ_VI 1519 select CPU_MIPSR2_IRQ_VI 1522 select CPU_MIPSR2_IRQ_EI 1520 select CPU_MIPSR2_IRQ_EI 1523 select MIPS_O32_FP64_SUPPORT 1521 select MIPS_O32_FP64_SUPPORT 1524 help 1522 help 1525 Choose this option to build a kerne 1523 Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1526 It's based on MIPS32r5 ISA with XPA 1524 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1527 MMU with two-levels TLB, UCA, MSA, 1525 MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1528 level features like up to six P5600 1526 level features like up to six P5600 calculation cores, CM2 with L2 1529 cache, IOCU/IOMMU (though might be 1527 cache, IOCU/IOMMU (though might be unused depending on the system- 1530 specific IP core configuration), GI 1528 specific IP core configuration), GIC, CPC, virtualisation module, 1531 eJTAG and PDtrace. 1529 eJTAG and PDtrace. 1532 1530 1533 config CPU_R3000 1531 config CPU_R3000 1534 bool "R3000" 1532 bool "R3000" 1535 depends on SYS_HAS_CPU_R3000 1533 depends on SYS_HAS_CPU_R3000 1536 select CPU_HAS_WB 1534 select CPU_HAS_WB 1537 select CPU_R3K_TLB 1535 select CPU_R3K_TLB 1538 select CPU_SUPPORTS_32BIT_KERNEL 1536 select CPU_SUPPORTS_32BIT_KERNEL 1539 select CPU_SUPPORTS_HIGHMEM 1537 select CPU_SUPPORTS_HIGHMEM 1540 help 1538 help 1541 Please make sure to pick the right 1539 Please make sure to pick the right CPU type. Linux/MIPS is not 1542 designed to be generic, i.e. Kernel 1540 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1543 *not* work on R4000 machines and vi 1541 *not* work on R4000 machines and vice versa. However, since most 1544 of the supported machines have an R 1542 of the supported machines have an R4000 (or similar) CPU, R4x00 1545 might be a safe bet. If the result 1543 might be a safe bet. If the resulting kernel does not work, 1546 try to recompile with R3000. 1544 try to recompile with R3000. 1547 1545 1548 config CPU_R4300 1546 config CPU_R4300 1549 bool "R4300" 1547 bool "R4300" 1550 depends on SYS_HAS_CPU_R4300 1548 depends on SYS_HAS_CPU_R4300 1551 select CPU_SUPPORTS_32BIT_KERNEL 1549 select CPU_SUPPORTS_32BIT_KERNEL 1552 select CPU_SUPPORTS_64BIT_KERNEL 1550 select CPU_SUPPORTS_64BIT_KERNEL 1553 help 1551 help 1554 MIPS Technologies R4300-series proc 1552 MIPS Technologies R4300-series processors. 1555 1553 1556 config CPU_R4X00 1554 config CPU_R4X00 1557 bool "R4x00" 1555 bool "R4x00" 1558 depends on SYS_HAS_CPU_R4X00 1556 depends on SYS_HAS_CPU_R4X00 1559 select CPU_SUPPORTS_32BIT_KERNEL 1557 select CPU_SUPPORTS_32BIT_KERNEL 1560 select CPU_SUPPORTS_64BIT_KERNEL 1558 select CPU_SUPPORTS_64BIT_KERNEL 1561 select CPU_SUPPORTS_HUGEPAGES 1559 select CPU_SUPPORTS_HUGEPAGES 1562 help 1560 help 1563 MIPS Technologies R4000-series proc 1561 MIPS Technologies R4000-series processors other than 4300, including 1564 the R4000, R4400, R4600, and 4700. 1562 the R4000, R4400, R4600, and 4700. 1565 1563 1566 config CPU_TX49XX 1564 config CPU_TX49XX 1567 bool "R49XX" 1565 bool "R49XX" 1568 depends on SYS_HAS_CPU_TX49XX 1566 depends on SYS_HAS_CPU_TX49XX 1569 select CPU_HAS_PREFETCH 1567 select CPU_HAS_PREFETCH 1570 select CPU_SUPPORTS_32BIT_KERNEL 1568 select CPU_SUPPORTS_32BIT_KERNEL 1571 select CPU_SUPPORTS_64BIT_KERNEL 1569 select CPU_SUPPORTS_64BIT_KERNEL 1572 select CPU_SUPPORTS_HUGEPAGES 1570 select CPU_SUPPORTS_HUGEPAGES 1573 1571 1574 config CPU_R5000 1572 config CPU_R5000 1575 bool "R5000" 1573 bool "R5000" 1576 depends on SYS_HAS_CPU_R5000 1574 depends on SYS_HAS_CPU_R5000 1577 select CPU_SUPPORTS_32BIT_KERNEL 1575 select CPU_SUPPORTS_32BIT_KERNEL 1578 select CPU_SUPPORTS_64BIT_KERNEL 1576 select CPU_SUPPORTS_64BIT_KERNEL 1579 select CPU_SUPPORTS_HUGEPAGES 1577 select CPU_SUPPORTS_HUGEPAGES 1580 help 1578 help 1581 MIPS Technologies R5000-series proc 1579 MIPS Technologies R5000-series processors other than the Nevada. 1582 1580 1583 config CPU_R5500 1581 config CPU_R5500 1584 bool "R5500" 1582 bool "R5500" 1585 depends on SYS_HAS_CPU_R5500 1583 depends on SYS_HAS_CPU_R5500 1586 select CPU_SUPPORTS_32BIT_KERNEL 1584 select CPU_SUPPORTS_32BIT_KERNEL 1587 select CPU_SUPPORTS_64BIT_KERNEL 1585 select CPU_SUPPORTS_64BIT_KERNEL 1588 select CPU_SUPPORTS_HUGEPAGES 1586 select CPU_SUPPORTS_HUGEPAGES 1589 help 1587 help 1590 NEC VR5500 and VR5500A series proce 1588 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1591 instruction set. 1589 instruction set. 1592 1590 1593 config CPU_NEVADA 1591 config CPU_NEVADA 1594 bool "RM52xx" 1592 bool "RM52xx" 1595 depends on SYS_HAS_CPU_NEVADA 1593 depends on SYS_HAS_CPU_NEVADA 1596 select CPU_SUPPORTS_32BIT_KERNEL 1594 select CPU_SUPPORTS_32BIT_KERNEL 1597 select CPU_SUPPORTS_64BIT_KERNEL 1595 select CPU_SUPPORTS_64BIT_KERNEL 1598 select CPU_SUPPORTS_HUGEPAGES 1596 select CPU_SUPPORTS_HUGEPAGES 1599 help 1597 help 1600 QED / PMC-Sierra RM52xx-series ("Ne 1598 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1601 1599 1602 config CPU_R10000 1600 config CPU_R10000 1603 bool "R10000" 1601 bool "R10000" 1604 depends on SYS_HAS_CPU_R10000 1602 depends on SYS_HAS_CPU_R10000 1605 select CPU_HAS_PREFETCH 1603 select CPU_HAS_PREFETCH 1606 select CPU_SUPPORTS_32BIT_KERNEL 1604 select CPU_SUPPORTS_32BIT_KERNEL 1607 select CPU_SUPPORTS_64BIT_KERNEL 1605 select CPU_SUPPORTS_64BIT_KERNEL 1608 select CPU_SUPPORTS_HIGHMEM 1606 select CPU_SUPPORTS_HIGHMEM 1609 select CPU_SUPPORTS_HUGEPAGES 1607 select CPU_SUPPORTS_HUGEPAGES 1610 help 1608 help 1611 MIPS Technologies R10000-series pro 1609 MIPS Technologies R10000-series processors. 1612 1610 1613 config CPU_RM7000 1611 config CPU_RM7000 1614 bool "RM7000" 1612 bool "RM7000" 1615 depends on SYS_HAS_CPU_RM7000 1613 depends on SYS_HAS_CPU_RM7000 1616 select CPU_HAS_PREFETCH 1614 select CPU_HAS_PREFETCH 1617 select CPU_SUPPORTS_32BIT_KERNEL 1615 select CPU_SUPPORTS_32BIT_KERNEL 1618 select CPU_SUPPORTS_64BIT_KERNEL 1616 select CPU_SUPPORTS_64BIT_KERNEL 1619 select CPU_SUPPORTS_HIGHMEM 1617 select CPU_SUPPORTS_HIGHMEM 1620 select CPU_SUPPORTS_HUGEPAGES 1618 select CPU_SUPPORTS_HUGEPAGES 1621 1619 1622 config CPU_SB1 1620 config CPU_SB1 1623 bool "SB1" 1621 bool "SB1" 1624 depends on SYS_HAS_CPU_SB1 1622 depends on SYS_HAS_CPU_SB1 1625 select CPU_SUPPORTS_32BIT_KERNEL 1623 select CPU_SUPPORTS_32BIT_KERNEL 1626 select CPU_SUPPORTS_64BIT_KERNEL 1624 select CPU_SUPPORTS_64BIT_KERNEL 1627 select CPU_SUPPORTS_HIGHMEM 1625 select CPU_SUPPORTS_HIGHMEM 1628 select CPU_SUPPORTS_HUGEPAGES 1626 select CPU_SUPPORTS_HUGEPAGES 1629 select WEAK_ORDERING 1627 select WEAK_ORDERING 1630 1628 1631 config CPU_CAVIUM_OCTEON 1629 config CPU_CAVIUM_OCTEON 1632 bool "Cavium Octeon processor" 1630 bool "Cavium Octeon processor" 1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1631 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1634 select CPU_HAS_PREFETCH 1632 select CPU_HAS_PREFETCH 1635 select CPU_SUPPORTS_64BIT_KERNEL 1633 select CPU_SUPPORTS_64BIT_KERNEL 1636 select HAVE_PAGE_SIZE_8KB if !MIPS_VA 1634 select HAVE_PAGE_SIZE_8KB if !MIPS_VA_BITS_48 1637 select HAVE_PAGE_SIZE_32KB if !MIPS_V 1635 select HAVE_PAGE_SIZE_32KB if !MIPS_VA_BITS_48 1638 select WEAK_ORDERING 1636 select WEAK_ORDERING 1639 select CPU_SUPPORTS_HIGHMEM 1637 select CPU_SUPPORTS_HIGHMEM 1640 select CPU_SUPPORTS_HUGEPAGES 1638 select CPU_SUPPORTS_HUGEPAGES 1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1639 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1640 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1643 select MIPS_L1_CACHE_SHIFT_7 1641 select MIPS_L1_CACHE_SHIFT_7 1644 select CPU_SUPPORTS_VZ 1642 select CPU_SUPPORTS_VZ 1645 help 1643 help 1646 The Cavium Octeon processor is a hi 1644 The Cavium Octeon processor is a highly integrated chip containing 1647 many ethernet hardware widgets for 1645 many ethernet hardware widgets for networking tasks. The processor 1648 can have up to 16 Mips64v2 cores an 1646 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1649 Full details can be found at http:/ 1647 Full details can be found at http://www.caviumnetworks.com. 1650 1648 1651 config CPU_BMIPS 1649 config CPU_BMIPS 1652 bool "Broadcom BMIPS" 1650 bool "Broadcom BMIPS" 1653 depends on SYS_HAS_CPU_BMIPS 1651 depends on SYS_HAS_CPU_BMIPS 1654 select CPU_MIPS32 1652 select CPU_MIPS32 1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1653 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1654 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1655 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1656 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1659 select CPU_SUPPORTS_32BIT_KERNEL 1657 select CPU_SUPPORTS_32BIT_KERNEL 1660 select DMA_NONCOHERENT 1658 select DMA_NONCOHERENT 1661 select IRQ_MIPS_CPU 1659 select IRQ_MIPS_CPU 1662 select SWAP_IO_SPACE 1660 select SWAP_IO_SPACE 1663 select WEAK_ORDERING 1661 select WEAK_ORDERING 1664 select CPU_SUPPORTS_HIGHMEM 1662 select CPU_SUPPORTS_HIGHMEM 1665 select CPU_HAS_PREFETCH 1663 select CPU_HAS_PREFETCH 1666 select CPU_SUPPORTS_CPUFREQ 1664 select CPU_SUPPORTS_CPUFREQ 1667 select MIPS_EXTERNAL_TIMER 1665 select MIPS_EXTERNAL_TIMER 1668 select GENERIC_IRQ_MIGRATION if HOTPL 1666 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 1669 help 1667 help 1670 Support for BMIPS32/3300/4350/4380 1668 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1671 1669 1672 endchoice 1670 endchoice 1673 1671 1674 config LOONGSON3_ENHANCEMENT 1672 config LOONGSON3_ENHANCEMENT 1675 bool "New Loongson-3 CPU Enhancements 1673 bool "New Loongson-3 CPU Enhancements" 1676 default n 1674 default n 1677 depends on CPU_LOONGSON64 1675 depends on CPU_LOONGSON64 1678 help 1676 help 1679 New Loongson-3 cores (since Loongso 1677 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 1680 R1, Loongson-3B R1 and Loongson-3B 1678 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc 1679 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 1682 Local register, Read-Inhibit/Execut 1680 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 1683 Fast TLB refill support, etc. 1681 Fast TLB refill support, etc. 1684 1682 1685 This option enable those enhancemen 1683 This option enable those enhancements which are not probed at run 1686 time. If you want a generic kernel 1684 time. If you want a generic kernel to run on all Loongson 3 machines, 1687 please say 'N' here. If you want a 1685 please say 'N' here. If you want a high-performance kernel to run on 1688 new Loongson-3 machines only, pleas 1686 new Loongson-3 machines only, please say 'Y' here. 1689 1687 1690 config CPU_LOONGSON3_WORKAROUNDS 1688 config CPU_LOONGSON3_WORKAROUNDS 1691 bool "Loongson-3 LLSC Workarounds" 1689 bool "Loongson-3 LLSC Workarounds" 1692 default y if SMP 1690 default y if SMP 1693 depends on CPU_LOONGSON64 1691 depends on CPU_LOONGSON64 1694 help 1692 help 1695 Loongson-3 processors have the llsc 1693 Loongson-3 processors have the llsc issues which require workarounds. 1696 Without workarounds the system may 1694 Without workarounds the system may hang unexpectedly. 1697 1695 1698 Say Y, unless you know what you are 1696 Say Y, unless you know what you are doing. 1699 1697 1700 config CPU_LOONGSON3_CPUCFG_EMULATION 1698 config CPU_LOONGSON3_CPUCFG_EMULATION 1701 bool "Emulate the CPUCFG instruction 1699 bool "Emulate the CPUCFG instruction on older Loongson cores" 1702 default y 1700 default y 1703 depends on CPU_LOONGSON64 1701 depends on CPU_LOONGSON64 1704 help 1702 help 1705 Loongson-3A R4 and newer have the C 1703 Loongson-3A R4 and newer have the CPUCFG instruction available for 1706 userland to query CPU capabilities, 1704 userland to query CPU capabilities, much like CPUID on x86. This 1707 option provides emulation of the in 1705 option provides emulation of the instruction on older Loongson 1708 cores, back to Loongson-3A1000. 1706 cores, back to Loongson-3A1000. 1709 1707 1710 If unsure, please say Y. 1708 If unsure, please say Y. 1711 1709 1712 config CPU_MIPS32_3_5_FEATURES 1710 config CPU_MIPS32_3_5_FEATURES 1713 bool "MIPS32 Release 3.5 Features" 1711 bool "MIPS32 Release 3.5 Features" 1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1712 depends on SYS_HAS_CPU_MIPS32_R3_5 1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1713 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1716 CPU_P5600 1714 CPU_P5600 1717 help 1715 help 1718 Choose this option to build a kerne 1716 Choose this option to build a kernel for release 2 or later of the 1719 MIPS32 architecture including featu 1717 MIPS32 architecture including features from the 3.5 release such as 1720 support for Enhanced Virtual Addres 1718 support for Enhanced Virtual Addressing (EVA). 1721 1719 1722 config CPU_MIPS32_3_5_EVA 1720 config CPU_MIPS32_3_5_EVA 1723 bool "Enhanced Virtual Addressing (EV 1721 bool "Enhanced Virtual Addressing (EVA)" 1724 depends on CPU_MIPS32_3_5_FEATURES 1722 depends on CPU_MIPS32_3_5_FEATURES 1725 select EVA 1723 select EVA 1726 default y 1724 default y 1727 help 1725 help 1728 Choose this option if you want to e 1726 Choose this option if you want to enable the Enhanced Virtual 1729 Addressing (EVA) on your MIPS32 cor 1727 Addressing (EVA) on your MIPS32 core (such as proAptiv). 1730 One of its primary benefits is an i 1728 One of its primary benefits is an increase in the maximum size 1731 of lowmem (up to 3GB). If unsure, s 1729 of lowmem (up to 3GB). If unsure, say 'N' here. 1732 1730 1733 config CPU_MIPS32_R5_FEATURES 1731 config CPU_MIPS32_R5_FEATURES 1734 bool "MIPS32 Release 5 Features" 1732 bool "MIPS32 Release 5 Features" 1735 depends on SYS_HAS_CPU_MIPS32_R5 1733 depends on SYS_HAS_CPU_MIPS32_R5 1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1734 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1737 help 1735 help 1738 Choose this option to build a kerne 1736 Choose this option to build a kernel for release 2 or later of the 1739 MIPS32 architecture including featu 1737 MIPS32 architecture including features from release 5 such as 1740 support for Extended Physical Addre 1738 support for Extended Physical Addressing (XPA). 1741 1739 1742 config CPU_MIPS32_R5_XPA 1740 config CPU_MIPS32_R5_XPA 1743 bool "Extended Physical Addressing (X 1741 bool "Extended Physical Addressing (XPA)" 1744 depends on CPU_MIPS32_R5_FEATURES 1742 depends on CPU_MIPS32_R5_FEATURES 1745 depends on !EVA 1743 depends on !EVA 1746 depends on !PAGE_SIZE_4KB 1744 depends on !PAGE_SIZE_4KB 1747 depends on SYS_SUPPORTS_HIGHMEM 1745 depends on SYS_SUPPORTS_HIGHMEM 1748 select XPA 1746 select XPA 1749 select HIGHMEM 1747 select HIGHMEM 1750 select PHYS_ADDR_T_64BIT 1748 select PHYS_ADDR_T_64BIT 1751 default n 1749 default n 1752 help 1750 help 1753 Choose this option if you want to e 1751 Choose this option if you want to enable the Extended Physical 1754 Addressing (XPA) on your MIPS32 cor 1752 Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1755 benefit is to increase physical add 1753 benefit is to increase physical addressing equal to or greater 1756 than 40 bits. Note that this has th 1754 than 40 bits. Note that this has the side effect of turning on 1757 64-bit addressing which in turn mak 1755 64-bit addressing which in turn makes the PTEs 64-bit in size. 1758 If unsure, say 'N' here. 1756 If unsure, say 'N' here. 1759 1757 1760 if CPU_LOONGSON2F 1758 if CPU_LOONGSON2F 1761 config CPU_NOP_WORKAROUNDS 1759 config CPU_NOP_WORKAROUNDS 1762 bool 1760 bool 1763 1761 1764 config CPU_JUMP_WORKAROUNDS 1762 config CPU_JUMP_WORKAROUNDS 1765 bool 1763 bool 1766 1764 1767 config CPU_LOONGSON2F_WORKAROUNDS 1765 config CPU_LOONGSON2F_WORKAROUNDS 1768 bool "Loongson 2F Workarounds" 1766 bool "Loongson 2F Workarounds" 1769 default y 1767 default y 1770 select CPU_NOP_WORKAROUNDS 1768 select CPU_NOP_WORKAROUNDS 1771 select CPU_JUMP_WORKAROUNDS 1769 select CPU_JUMP_WORKAROUNDS 1772 help 1770 help 1773 Loongson 2F01 / 2F02 processors hav 1771 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1774 require workarounds. Without worka 1772 require workarounds. Without workarounds the system may hang 1775 unexpectedly. For more information 1773 unexpectedly. For more information please refer to the gas 1776 -mfix-loongson2f-nop and -mfix-loon 1774 -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1777 1775 1778 Loongson 2F03 and later have fixed 1776 Loongson 2F03 and later have fixed these issues and no workarounds 1779 are needed. The workarounds have n 1777 are needed. The workarounds have no significant side effect on them 1780 but may decrease the performance of 1778 but may decrease the performance of the system so this option should 1781 be disabled unless the kernel is in 1779 be disabled unless the kernel is intended to be run on 2F01 or 2F02 1782 systems. 1780 systems. 1783 1781 1784 If unsure, please say Y. 1782 If unsure, please say Y. 1785 endif # CPU_LOONGSON2F 1783 endif # CPU_LOONGSON2F 1786 1784 1787 config SYS_SUPPORTS_ZBOOT 1785 config SYS_SUPPORTS_ZBOOT 1788 bool 1786 bool 1789 select HAVE_KERNEL_GZIP 1787 select HAVE_KERNEL_GZIP 1790 select HAVE_KERNEL_BZIP2 1788 select HAVE_KERNEL_BZIP2 1791 select HAVE_KERNEL_LZ4 1789 select HAVE_KERNEL_LZ4 1792 select HAVE_KERNEL_LZMA 1790 select HAVE_KERNEL_LZMA 1793 select HAVE_KERNEL_LZO 1791 select HAVE_KERNEL_LZO 1794 select HAVE_KERNEL_XZ 1792 select HAVE_KERNEL_XZ 1795 select HAVE_KERNEL_ZSTD 1793 select HAVE_KERNEL_ZSTD 1796 1794 1797 config SYS_SUPPORTS_ZBOOT_UART16550 1795 config SYS_SUPPORTS_ZBOOT_UART16550 1798 bool 1796 bool 1799 select SYS_SUPPORTS_ZBOOT 1797 select SYS_SUPPORTS_ZBOOT 1800 1798 1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1799 config SYS_SUPPORTS_ZBOOT_UART_PROM 1802 bool 1800 bool 1803 select SYS_SUPPORTS_ZBOOT 1801 select SYS_SUPPORTS_ZBOOT 1804 1802 1805 config CPU_LOONGSON2EF 1803 config CPU_LOONGSON2EF 1806 bool 1804 bool 1807 select CPU_SUPPORTS_32BIT_KERNEL 1805 select CPU_SUPPORTS_32BIT_KERNEL 1808 select CPU_SUPPORTS_64BIT_KERNEL 1806 select CPU_SUPPORTS_64BIT_KERNEL 1809 select CPU_SUPPORTS_HIGHMEM 1807 select CPU_SUPPORTS_HIGHMEM 1810 select CPU_SUPPORTS_HUGEPAGES 1808 select CPU_SUPPORTS_HUGEPAGES 1811 1809 1812 config CPU_LOONGSON32 1810 config CPU_LOONGSON32 1813 bool 1811 bool 1814 select CPU_MIPS32 1812 select CPU_MIPS32 1815 select CPU_MIPSR2 1813 select CPU_MIPSR2 1816 select CPU_HAS_PREFETCH 1814 select CPU_HAS_PREFETCH 1817 select CPU_SUPPORTS_32BIT_KERNEL 1815 select CPU_SUPPORTS_32BIT_KERNEL 1818 select CPU_SUPPORTS_HIGHMEM 1816 select CPU_SUPPORTS_HIGHMEM 1819 select CPU_SUPPORTS_CPUFREQ 1817 select CPU_SUPPORTS_CPUFREQ 1820 1818 1821 config CPU_BMIPS32_3300 1819 config CPU_BMIPS32_3300 1822 select SMP_UP if SMP 1820 select SMP_UP if SMP 1823 bool 1821 bool 1824 1822 1825 config CPU_BMIPS4350 1823 config CPU_BMIPS4350 1826 bool 1824 bool 1827 select SYS_SUPPORTS_SMP 1825 select SYS_SUPPORTS_SMP 1828 select SYS_SUPPORTS_HOTPLUG_CPU 1826 select SYS_SUPPORTS_HOTPLUG_CPU 1829 1827 1830 config CPU_BMIPS4380 1828 config CPU_BMIPS4380 1831 bool 1829 bool 1832 select MIPS_L1_CACHE_SHIFT_6 1830 select MIPS_L1_CACHE_SHIFT_6 1833 select SYS_SUPPORTS_SMP 1831 select SYS_SUPPORTS_SMP 1834 select SYS_SUPPORTS_HOTPLUG_CPU 1832 select SYS_SUPPORTS_HOTPLUG_CPU 1835 select CPU_HAS_RIXI 1833 select CPU_HAS_RIXI 1836 1834 1837 config CPU_BMIPS5000 1835 config CPU_BMIPS5000 1838 bool 1836 bool 1839 select MIPS_CPU_SCACHE 1837 select MIPS_CPU_SCACHE 1840 select MIPS_L1_CACHE_SHIFT_7 1838 select MIPS_L1_CACHE_SHIFT_7 1841 select SYS_SUPPORTS_SMP 1839 select SYS_SUPPORTS_SMP 1842 select SYS_SUPPORTS_HOTPLUG_CPU 1840 select SYS_SUPPORTS_HOTPLUG_CPU 1843 select CPU_HAS_RIXI 1841 select CPU_HAS_RIXI 1844 1842 1845 config SYS_HAS_CPU_LOONGSON64 1843 config SYS_HAS_CPU_LOONGSON64 1846 bool 1844 bool 1847 select CPU_SUPPORTS_CPUFREQ 1845 select CPU_SUPPORTS_CPUFREQ 1848 select CPU_HAS_RIXI 1846 select CPU_HAS_RIXI 1849 1847 1850 config SYS_HAS_CPU_LOONGSON2E 1848 config SYS_HAS_CPU_LOONGSON2E 1851 bool 1849 bool 1852 1850 1853 config SYS_HAS_CPU_LOONGSON2F 1851 config SYS_HAS_CPU_LOONGSON2F 1854 bool 1852 bool 1855 select CPU_SUPPORTS_CPUFREQ 1853 select CPU_SUPPORTS_CPUFREQ 1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1854 select CPU_SUPPORTS_ADDRWINCFG if 64BIT 1857 1855 1858 config SYS_HAS_CPU_LOONGSON1B 1856 config SYS_HAS_CPU_LOONGSON1B 1859 bool 1857 bool 1860 1858 1861 config SYS_HAS_CPU_LOONGSON1C 1859 config SYS_HAS_CPU_LOONGSON1C 1862 bool 1860 bool 1863 1861 1864 config SYS_HAS_CPU_MIPS32_R1 1862 config SYS_HAS_CPU_MIPS32_R1 1865 bool 1863 bool 1866 1864 1867 config SYS_HAS_CPU_MIPS32_R2 1865 config SYS_HAS_CPU_MIPS32_R2 1868 bool 1866 bool 1869 1867 1870 config SYS_HAS_CPU_MIPS32_R3_5 1868 config SYS_HAS_CPU_MIPS32_R3_5 1871 bool 1869 bool 1872 1870 1873 config SYS_HAS_CPU_MIPS32_R5 1871 config SYS_HAS_CPU_MIPS32_R5 1874 bool 1872 bool 1875 1873 1876 config SYS_HAS_CPU_MIPS32_R6 1874 config SYS_HAS_CPU_MIPS32_R6 1877 bool 1875 bool 1878 1876 1879 config SYS_HAS_CPU_MIPS64_R1 1877 config SYS_HAS_CPU_MIPS64_R1 1880 bool 1878 bool 1881 1879 1882 config SYS_HAS_CPU_MIPS64_R2 1880 config SYS_HAS_CPU_MIPS64_R2 1883 bool 1881 bool 1884 1882 1885 config SYS_HAS_CPU_MIPS64_R5 1883 config SYS_HAS_CPU_MIPS64_R5 1886 bool 1884 bool 1887 1885 1888 config SYS_HAS_CPU_MIPS64_R6 1886 config SYS_HAS_CPU_MIPS64_R6 1889 bool 1887 bool 1890 1888 1891 config SYS_HAS_CPU_P5600 1889 config SYS_HAS_CPU_P5600 1892 bool 1890 bool 1893 1891 1894 config SYS_HAS_CPU_R3000 1892 config SYS_HAS_CPU_R3000 1895 bool 1893 bool 1896 1894 1897 config SYS_HAS_CPU_R4300 1895 config SYS_HAS_CPU_R4300 1898 bool 1896 bool 1899 1897 1900 config SYS_HAS_CPU_R4X00 1898 config SYS_HAS_CPU_R4X00 1901 bool 1899 bool 1902 1900 1903 config SYS_HAS_CPU_TX49XX 1901 config SYS_HAS_CPU_TX49XX 1904 bool 1902 bool 1905 1903 1906 config SYS_HAS_CPU_R5000 1904 config SYS_HAS_CPU_R5000 1907 bool 1905 bool 1908 1906 1909 config SYS_HAS_CPU_R5500 1907 config SYS_HAS_CPU_R5500 1910 bool 1908 bool 1911 1909 1912 config SYS_HAS_CPU_NEVADA 1910 config SYS_HAS_CPU_NEVADA 1913 bool 1911 bool 1914 1912 1915 config SYS_HAS_CPU_R10000 1913 config SYS_HAS_CPU_R10000 1916 bool 1914 bool 1917 1915 1918 config SYS_HAS_CPU_RM7000 1916 config SYS_HAS_CPU_RM7000 1919 bool 1917 bool 1920 1918 1921 config SYS_HAS_CPU_SB1 1919 config SYS_HAS_CPU_SB1 1922 bool 1920 bool 1923 1921 1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1922 config SYS_HAS_CPU_CAVIUM_OCTEON 1925 bool 1923 bool 1926 1924 1927 config SYS_HAS_CPU_BMIPS 1925 config SYS_HAS_CPU_BMIPS 1928 bool 1926 bool 1929 1927 1930 config SYS_HAS_CPU_BMIPS32_3300 1928 config SYS_HAS_CPU_BMIPS32_3300 1931 bool 1929 bool 1932 select SYS_HAS_CPU_BMIPS 1930 select SYS_HAS_CPU_BMIPS 1933 1931 1934 config SYS_HAS_CPU_BMIPS4350 1932 config SYS_HAS_CPU_BMIPS4350 1935 bool 1933 bool 1936 select SYS_HAS_CPU_BMIPS 1934 select SYS_HAS_CPU_BMIPS 1937 1935 1938 config SYS_HAS_CPU_BMIPS4380 1936 config SYS_HAS_CPU_BMIPS4380 1939 bool 1937 bool 1940 select SYS_HAS_CPU_BMIPS 1938 select SYS_HAS_CPU_BMIPS 1941 1939 1942 config SYS_HAS_CPU_BMIPS5000 1940 config SYS_HAS_CPU_BMIPS5000 1943 bool 1941 bool 1944 select SYS_HAS_CPU_BMIPS 1942 select SYS_HAS_CPU_BMIPS 1945 1943 1946 # 1944 # 1947 # CPU may reorder R->R, R->W, W->R, W->W 1945 # CPU may reorder R->R, R->W, W->R, W->W 1948 # Reordering beyond LL and SC is handled in W 1946 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1949 # 1947 # 1950 config WEAK_ORDERING 1948 config WEAK_ORDERING 1951 bool 1949 bool 1952 1950 1953 # 1951 # 1954 # CPU may reorder reads and writes beyond LL/ 1952 # CPU may reorder reads and writes beyond LL/SC 1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1953 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1956 # 1954 # 1957 config WEAK_REORDERING_BEYOND_LLSC 1955 config WEAK_REORDERING_BEYOND_LLSC 1958 bool 1956 bool 1959 endmenu 1957 endmenu 1960 1958 1961 # 1959 # 1962 # These two indicate any level of the MIPS32 1960 # These two indicate any level of the MIPS32 and MIPS64 architecture 1963 # 1961 # 1964 config CPU_MIPS32 1962 config CPU_MIPS32 1965 bool 1963 bool 1966 default y if CPU_MIPS32_R1 || CPU_MIP 1964 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 1967 CPU_MIPS32_R6 || CPU_P56 1965 CPU_MIPS32_R6 || CPU_P5600 1968 1966 1969 config CPU_MIPS64 1967 config CPU_MIPS64 1970 bool 1968 bool 1971 default y if CPU_MIPS64_R1 || CPU_MIP 1969 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 1972 CPU_MIPS64_R6 || CPU_LOO 1970 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 1973 1971 1974 # 1972 # 1975 # These indicate the revision of the architec 1973 # These indicate the revision of the architecture 1976 # 1974 # 1977 config CPU_MIPSR1 1975 config CPU_MIPSR1 1978 bool 1976 bool 1979 default y if CPU_MIPS32_R1 || CPU_MIP 1977 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1980 1978 1981 config CPU_MIPSR2 1979 config CPU_MIPSR2 1982 bool 1980 bool 1983 default y if CPU_MIPS32_R2 || CPU_MIP 1981 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1984 select CPU_HAS_RIXI 1982 select CPU_HAS_RIXI 1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1983 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 1986 select MIPS_SPRAM 1984 select MIPS_SPRAM 1987 1985 1988 config CPU_MIPSR5 1986 config CPU_MIPSR5 1989 bool 1987 bool 1990 default y if CPU_MIPS32_R5 || CPU_MIP 1988 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 1991 select CPU_HAS_RIXI 1989 select CPU_HAS_RIXI 1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1990 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 1993 select MIPS_SPRAM 1991 select MIPS_SPRAM 1994 1992 1995 config CPU_MIPSR6 1993 config CPU_MIPSR6 1996 bool 1994 bool 1997 default y if CPU_MIPS32_R6 || CPU_MIP 1995 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1998 select CPU_HAS_RIXI 1996 select CPU_HAS_RIXI 1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1997 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2000 select HAVE_ARCH_BITREVERSE 1998 select HAVE_ARCH_BITREVERSE 2001 select MIPS_ASID_BITS_VARIABLE 1999 select MIPS_ASID_BITS_VARIABLE 2002 select MIPS_CRC_SUPPORT 2000 select MIPS_CRC_SUPPORT 2003 select MIPS_SPRAM 2001 select MIPS_SPRAM 2004 2002 2005 config TARGET_ISA_REV 2003 config TARGET_ISA_REV 2006 int 2004 int 2007 default 1 if CPU_MIPSR1 2005 default 1 if CPU_MIPSR1 2008 default 2 if CPU_MIPSR2 2006 default 2 if CPU_MIPSR2 2009 default 5 if CPU_MIPSR5 2007 default 5 if CPU_MIPSR5 2010 default 6 if CPU_MIPSR6 2008 default 6 if CPU_MIPSR6 2011 default 0 2009 default 0 2012 help 2010 help 2013 Reflects the ISA revision being tar 2011 Reflects the ISA revision being targeted by the kernel build. This 2014 is effectively the Kconfig equivale 2012 is effectively the Kconfig equivalent of MIPS_ISA_REV. 2015 2013 2016 config EVA 2014 config EVA 2017 bool 2015 bool 2018 2016 2019 config XPA 2017 config XPA 2020 bool 2018 bool 2021 2019 2022 config SYS_SUPPORTS_32BIT_KERNEL 2020 config SYS_SUPPORTS_32BIT_KERNEL 2023 bool 2021 bool 2024 config SYS_SUPPORTS_64BIT_KERNEL 2022 config SYS_SUPPORTS_64BIT_KERNEL 2025 bool 2023 bool 2026 config CPU_SUPPORTS_32BIT_KERNEL 2024 config CPU_SUPPORTS_32BIT_KERNEL 2027 bool 2025 bool 2028 config CPU_SUPPORTS_64BIT_KERNEL 2026 config CPU_SUPPORTS_64BIT_KERNEL 2029 bool 2027 bool 2030 config CPU_SUPPORTS_CPUFREQ 2028 config CPU_SUPPORTS_CPUFREQ 2031 bool 2029 bool 2032 config CPU_SUPPORTS_ADDRWINCFG 2030 config CPU_SUPPORTS_ADDRWINCFG 2033 bool 2031 bool 2034 config CPU_SUPPORTS_HUGEPAGES 2032 config CPU_SUPPORTS_HUGEPAGES 2035 bool 2033 bool 2036 depends on !(32BIT && (PHYS_ADDR_T_64 2034 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA)) 2037 config CPU_SUPPORTS_VZ 2035 config CPU_SUPPORTS_VZ 2038 bool 2036 bool 2039 config MIPS_PGD_C0_CONTEXT 2037 config MIPS_PGD_C0_CONTEXT 2040 bool 2038 bool 2041 depends on 64BIT 2039 depends on 64BIT 2042 default y if (CPU_MIPSR2 || CPU_MIPSR 2040 default y if (CPU_MIPSR2 || CPU_MIPSR6) 2043 2041 2044 # 2042 # 2045 # Set to y for ptrace access to watch registe 2043 # Set to y for ptrace access to watch registers. 2046 # 2044 # 2047 config HARDWARE_WATCHPOINTS 2045 config HARDWARE_WATCHPOINTS 2048 bool 2046 bool 2049 default y if CPU_MIPSR1 || CPU_MIPSR2 2047 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 2050 2048 2051 menu "Kernel type" 2049 menu "Kernel type" 2052 2050 2053 choice 2051 choice 2054 prompt "Kernel code model" 2052 prompt "Kernel code model" 2055 help 2053 help 2056 You should only select this option 2054 You should only select this option if you have a workload that 2057 actually benefits from 64-bit proce 2055 actually benefits from 64-bit processing or if your machine has 2058 large memory. You will only be pre 2056 large memory. You will only be presented a single option in this 2059 menu if your system does not suppor 2057 menu if your system does not support both 32-bit and 64-bit kernels. 2060 2058 2061 config 32BIT 2059 config 32BIT 2062 bool "32-bit kernel" 2060 bool "32-bit kernel" 2063 depends on CPU_SUPPORTS_32BIT_KERNEL 2061 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 2064 select TRAD_SIGNALS 2062 select TRAD_SIGNALS 2065 help 2063 help 2066 Select this option if you want to b 2064 Select this option if you want to build a 32-bit kernel. 2067 2065 2068 config 64BIT 2066 config 64BIT 2069 bool "64-bit kernel" 2067 bool "64-bit kernel" 2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2068 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 2071 help 2069 help 2072 Select this option if you want to b 2070 Select this option if you want to build a 64-bit kernel. 2073 2071 2074 endchoice 2072 endchoice 2075 2073 2076 config MIPS_VA_BITS_48 2074 config MIPS_VA_BITS_48 2077 bool "48 bits virtual memory" 2075 bool "48 bits virtual memory" 2078 depends on 64BIT 2076 depends on 64BIT 2079 help 2077 help 2080 Support a maximum at least 48 bits 2078 Support a maximum at least 48 bits of application virtual 2081 memory. Default is 40 bits or less 2079 memory. Default is 40 bits or less, depending on the CPU. 2082 For page sizes 16k and above, this 2080 For page sizes 16k and above, this option results in a small 2083 memory overhead for page tables. F 2081 memory overhead for page tables. For 4k page size, a fourth 2084 level of page tables is added which 2082 level of page tables is added which imposes both a memory 2085 overhead as well as slower TLB faul 2083 overhead as well as slower TLB fault handling. 2086 2084 2087 If unsure, say N. 2085 If unsure, say N. 2088 2086 2089 config ZBOOT_LOAD_ADDRESS 2087 config ZBOOT_LOAD_ADDRESS 2090 hex "Compressed kernel load address" 2088 hex "Compressed kernel load address" 2091 default 0xffffffff80400000 if BCM47XX 2089 default 0xffffffff80400000 if BCM47XX 2092 default 0x0 2090 default 0x0 2093 depends on SYS_SUPPORTS_ZBOOT 2091 depends on SYS_SUPPORTS_ZBOOT 2094 help 2092 help 2095 The address to load compressed kern 2093 The address to load compressed kernel, aka vmlinuz. 2096 2094 2097 This is only used if non-zero. 2095 This is only used if non-zero. 2098 2096 2099 config ARCH_FORCE_MAX_ORDER 2097 config ARCH_FORCE_MAX_ORDER 2100 int "Maximum zone order" 2098 int "Maximum zone order" 2101 default "13" if MIPS_HUGE_TLB_SUPPORT 2099 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2102 default "12" if MIPS_HUGE_TLB_SUPPORT 2100 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2103 default "11" if MIPS_HUGE_TLB_SUPPORT 2101 default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2104 default "10" 2102 default "10" 2105 help 2103 help 2106 The kernel memory allocator divides 2104 The kernel memory allocator divides physically contiguous memory 2107 blocks into "zones", where each zon 2105 blocks into "zones", where each zone is a power of two number of 2108 pages. This option selects the lar 2106 pages. This option selects the largest power of two that the kernel 2109 keeps in the memory allocator. If 2107 keeps in the memory allocator. If you need to allocate very large 2110 blocks of physically contiguous mem 2108 blocks of physically contiguous memory, then you may need to 2111 increase this value. 2109 increase this value. 2112 2110 2113 The page size is not necessarily 4K 2111 The page size is not necessarily 4KB. Keep this in mind 2114 when choosing a value for this opti 2112 when choosing a value for this option. 2115 2113 2116 config BOARD_SCACHE 2114 config BOARD_SCACHE 2117 bool 2115 bool 2118 2116 2119 config IP22_CPU_SCACHE 2117 config IP22_CPU_SCACHE 2120 bool 2118 bool 2121 select BOARD_SCACHE 2119 select BOARD_SCACHE 2122 2120 2123 # 2121 # 2124 # Support for a MIPS32 / MIPS64 style S-cache 2122 # Support for a MIPS32 / MIPS64 style S-caches 2125 # 2123 # 2126 config MIPS_CPU_SCACHE 2124 config MIPS_CPU_SCACHE 2127 bool 2125 bool 2128 select BOARD_SCACHE 2126 select BOARD_SCACHE 2129 2127 2130 config R5000_CPU_SCACHE 2128 config R5000_CPU_SCACHE 2131 bool 2129 bool 2132 select BOARD_SCACHE 2130 select BOARD_SCACHE 2133 2131 2134 config RM7000_CPU_SCACHE 2132 config RM7000_CPU_SCACHE 2135 bool 2133 bool 2136 select BOARD_SCACHE 2134 select BOARD_SCACHE 2137 2135 2138 config SIBYTE_DMA_PAGEOPS 2136 config SIBYTE_DMA_PAGEOPS 2139 bool "Use DMA to clear/copy pages" 2137 bool "Use DMA to clear/copy pages" 2140 depends on CPU_SB1 2138 depends on CPU_SB1 2141 help 2139 help 2142 Instead of using the CPU to zero an 2140 Instead of using the CPU to zero and copy pages, use a Data Mover 2143 channel. These DMA channels are ot 2141 channel. These DMA channels are otherwise unused by the standard 2144 SiByte Linux port. Seems to give a 2142 SiByte Linux port. Seems to give a small performance benefit. 2145 2143 2146 config CPU_HAS_PREFETCH 2144 config CPU_HAS_PREFETCH 2147 bool 2145 bool 2148 2146 2149 config CPU_GENERIC_DUMP_TLB 2147 config CPU_GENERIC_DUMP_TLB 2150 bool 2148 bool 2151 default y if !CPU_R3000 2149 default y if !CPU_R3000 2152 2150 2153 config MIPS_FP_SUPPORT 2151 config MIPS_FP_SUPPORT 2154 bool "Floating Point support" if EXPE 2152 bool "Floating Point support" if EXPERT 2155 default y 2153 default y 2156 help 2154 help 2157 Select y to include support for flo 2155 Select y to include support for floating point in the kernel 2158 including initialization of FPU har 2156 including initialization of FPU hardware, FP context save & restore 2159 and emulation of an FPU where neces 2157 and emulation of an FPU where necessary. Without this support any 2160 userland program attempting to use 2158 userland program attempting to use floating point instructions will 2161 receive a SIGILL. 2159 receive a SIGILL. 2162 2160 2163 If you know that your userland will 2161 If you know that your userland will not attempt to use floating point 2164 instructions then you can say n her 2162 instructions then you can say n here to shrink the kernel a little. 2165 2163 2166 If unsure, say y. 2164 If unsure, say y. 2167 2165 2168 config CPU_R2300_FPU 2166 config CPU_R2300_FPU 2169 bool 2167 bool 2170 depends on MIPS_FP_SUPPORT 2168 depends on MIPS_FP_SUPPORT 2171 default y if CPU_R3000 2169 default y if CPU_R3000 2172 2170 2173 config CPU_R3K_TLB 2171 config CPU_R3K_TLB 2174 bool 2172 bool 2175 2173 2176 config CPU_R4K_FPU 2174 config CPU_R4K_FPU 2177 bool 2175 bool 2178 depends on MIPS_FP_SUPPORT 2176 depends on MIPS_FP_SUPPORT 2179 default y if !CPU_R2300_FPU 2177 default y if !CPU_R2300_FPU 2180 2178 2181 config CPU_R4K_CACHE_TLB 2179 config CPU_R4K_CACHE_TLB 2182 bool 2180 bool 2183 default y if !(CPU_R3K_TLB || CPU_SB1 2181 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 2184 2182 2185 config MIPS_MT_SMP 2183 config MIPS_MT_SMP 2186 bool "MIPS MT SMP support (1 TC on ea 2184 bool "MIPS MT SMP support (1 TC on each available VPE)" 2187 default y 2185 default y 2188 depends on TARGET_ISA_REV > 0 && TARG 2186 depends on TARGET_ISA_REV > 0 && TARGET_ISA_REV < 6 2189 depends on SYS_SUPPORTS_MULTITHREADIN 2187 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MICROMIPS 2190 select CPU_MIPSR2_IRQ_VI 2188 select CPU_MIPSR2_IRQ_VI 2191 select CPU_MIPSR2_IRQ_EI 2189 select CPU_MIPSR2_IRQ_EI 2192 select SYNC_R4K 2190 select SYNC_R4K 2193 select MIPS_MT 2191 select MIPS_MT 2194 select SMP 2192 select SMP 2195 select SMP_UP 2193 select SMP_UP 2196 select SYS_SUPPORTS_SMP 2194 select SYS_SUPPORTS_SMP 2197 select SYS_SUPPORTS_SCHED_SMT 2195 select SYS_SUPPORTS_SCHED_SMT 2198 select MIPS_PERF_SHARED_TC_COUNTERS 2196 select MIPS_PERF_SHARED_TC_COUNTERS 2199 help 2197 help 2200 This is a kernel model which is kno 2198 This is a kernel model which is known as SMVP. This is supported 2201 on cores with the MT ASE and uses t 2199 on cores with the MT ASE and uses the available VPEs to implement 2202 virtual processors which supports S 2200 virtual processors which supports SMP. This is equivalent to the 2203 Intel Hyperthreading feature. For f 2201 Intel Hyperthreading feature. For further information go to 2204 <http://www.imgtec.com/mips/mips-mu 2202 <http://www.imgtec.com/mips/mips-multithreading.asp>. 2205 2203 2206 config MIPS_MT 2204 config MIPS_MT 2207 bool 2205 bool 2208 2206 2209 config SCHED_SMT 2207 config SCHED_SMT 2210 bool "SMT (multithreading) scheduler 2208 bool "SMT (multithreading) scheduler support" 2211 depends on SYS_SUPPORTS_SCHED_SMT 2209 depends on SYS_SUPPORTS_SCHED_SMT 2212 default n 2210 default n 2213 help 2211 help 2214 SMT scheduler support improves the 2212 SMT scheduler support improves the CPU scheduler's decision making 2215 when dealing with MIPS MT enabled c 2213 when dealing with MIPS MT enabled cores at a cost of slightly 2216 increased overhead in some places. 2214 increased overhead in some places. If unsure say N here. 2217 2215 2218 config SYS_SUPPORTS_SCHED_SMT 2216 config SYS_SUPPORTS_SCHED_SMT 2219 bool 2217 bool 2220 2218 2221 config SYS_SUPPORTS_MULTITHREADING 2219 config SYS_SUPPORTS_MULTITHREADING 2222 bool 2220 bool 2223 2221 2224 config MIPS_MT_FPAFF 2222 config MIPS_MT_FPAFF 2225 bool "Dynamic FPU affinity for FP-int 2223 bool "Dynamic FPU affinity for FP-intensive threads" 2226 default y 2224 default y 2227 depends on MIPS_MT_SMP 2225 depends on MIPS_MT_SMP 2228 2226 2229 config MIPSR2_TO_R6_EMULATOR 2227 config MIPSR2_TO_R6_EMULATOR 2230 bool "MIPS R2-to-R6 emulator" 2228 bool "MIPS R2-to-R6 emulator" 2231 depends on CPU_MIPSR6 2229 depends on CPU_MIPSR6 2232 depends on MIPS_FP_SUPPORT 2230 depends on MIPS_FP_SUPPORT 2233 default y 2231 default y 2234 help 2232 help 2235 Choose this option if you want to r 2233 Choose this option if you want to run non-R6 MIPS userland code. 2236 Even if you say 'Y' here, the emula 2234 Even if you say 'Y' here, the emulator will still be disabled by 2237 default. You can enable it using th 2235 default. You can enable it using the 'mipsr2emu' kernel option. 2238 The only reason this is a build-tim 2236 The only reason this is a build-time option is to save ~14K from the 2239 final kernel image. 2237 final kernel image. 2240 2238 2241 config SYS_SUPPORTS_VPE_LOADER 2239 config SYS_SUPPORTS_VPE_LOADER 2242 bool 2240 bool 2243 depends on SYS_SUPPORTS_MULTITHREADIN 2241 depends on SYS_SUPPORTS_MULTITHREADING 2244 help 2242 help 2245 Indicates that the platform support 2243 Indicates that the platform supports the VPE loader, and provides 2246 physical_memsize. 2244 physical_memsize. 2247 2245 2248 config MIPS_VPE_LOADER 2246 config MIPS_VPE_LOADER 2249 bool "VPE loader support." 2247 bool "VPE loader support." 2250 depends on SYS_SUPPORTS_VPE_LOADER && 2248 depends on SYS_SUPPORTS_VPE_LOADER && MODULES 2251 select CPU_MIPSR2_IRQ_VI 2249 select CPU_MIPSR2_IRQ_VI 2252 select CPU_MIPSR2_IRQ_EI 2250 select CPU_MIPSR2_IRQ_EI 2253 select MIPS_MT 2251 select MIPS_MT 2254 help 2252 help 2255 Includes a loader for loading an el 2253 Includes a loader for loading an elf relocatable object 2256 onto another VPE and running it. 2254 onto another VPE and running it. 2257 2255 2258 config MIPS_VPE_LOADER_MT 2256 config MIPS_VPE_LOADER_MT 2259 bool 2257 bool 2260 default "y" 2258 default "y" 2261 depends on MIPS_VPE_LOADER 2259 depends on MIPS_VPE_LOADER 2262 2260 2263 config MIPS_VPE_LOADER_TOM 2261 config MIPS_VPE_LOADER_TOM 2264 bool "Load VPE program into memory hi 2262 bool "Load VPE program into memory hidden from linux" 2265 depends on MIPS_VPE_LOADER 2263 depends on MIPS_VPE_LOADER 2266 default y 2264 default y 2267 help 2265 help 2268 The loader can use memory that is p 2266 The loader can use memory that is present but has been hidden from 2269 Linux using the kernel command line 2267 Linux using the kernel command line option "mem=xxMB". It's up to 2270 you to ensure the amount you put in 2268 you to ensure the amount you put in the option and the space your 2271 program requires is less or equal t 2269 program requires is less or equal to the amount physically present. 2272 2270 2273 config MIPS_VPE_APSP_API 2271 config MIPS_VPE_APSP_API 2274 bool "Enable support for AP/SP API (R 2272 bool "Enable support for AP/SP API (RTLX)" 2275 depends on MIPS_VPE_LOADER 2273 depends on MIPS_VPE_LOADER 2276 2274 2277 config MIPS_VPE_APSP_API_MT 2275 config MIPS_VPE_APSP_API_MT 2278 bool 2276 bool 2279 default "y" 2277 default "y" 2280 depends on MIPS_VPE_APSP_API 2278 depends on MIPS_VPE_APSP_API 2281 2279 2282 config MIPS_CPS 2280 config MIPS_CPS 2283 bool "MIPS Coherent Processing System 2281 bool "MIPS Coherent Processing System support" 2284 depends on SYS_SUPPORTS_MIPS_CPS 2282 depends on SYS_SUPPORTS_MIPS_CPS 2285 select MIPS_CM 2283 select MIPS_CM 2286 select MIPS_CPS_PM if HOTPLUG_CPU 2284 select MIPS_CPS_PM if HOTPLUG_CPU 2287 select SMP 2285 select SMP 2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP 2286 select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU 2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2287 select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 2290 select SYS_SUPPORTS_HOTPLUG_CPU 2288 select SYS_SUPPORTS_HOTPLUG_CPU 2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2289 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 2292 select SYS_SUPPORTS_SMP 2290 select SYS_SUPPORTS_SMP 2293 select WEAK_ORDERING 2291 select WEAK_ORDERING 2294 select GENERIC_IRQ_MIGRATION if HOTPL 2292 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 2295 help 2293 help 2296 Select this if you wish to run an S 2294 Select this if you wish to run an SMP kernel across multiple cores 2297 within a MIPS Coherent Processing S 2295 within a MIPS Coherent Processing System. When this option is 2298 enabled the kernel will probe for o 2296 enabled the kernel will probe for other cores and boot them with 2299 no external assistance. It is safe 2297 no external assistance. It is safe to enable this when hardware 2300 support is unavailable. 2298 support is unavailable. 2301 2299 2302 config MIPS_CPS_PM 2300 config MIPS_CPS_PM 2303 depends on MIPS_CPS 2301 depends on MIPS_CPS 2304 bool 2302 bool 2305 2303 2306 config MIPS_CM 2304 config MIPS_CM 2307 bool 2305 bool 2308 select MIPS_CPC 2306 select MIPS_CPC 2309 2307 2310 config MIPS_CPC 2308 config MIPS_CPC 2311 bool 2309 bool 2312 2310 2313 config SB1_PASS_2_WORKAROUNDS 2311 config SB1_PASS_2_WORKAROUNDS 2314 bool 2312 bool 2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2313 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 2316 default y 2314 default y 2317 2315 2318 config SB1_PASS_2_1_WORKAROUNDS 2316 config SB1_PASS_2_1_WORKAROUNDS 2319 bool 2317 bool 2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2318 depends on CPU_SB1 && CPU_SB1_PASS_2 2321 default y 2319 default y 2322 2320 2323 choice 2321 choice 2324 prompt "SmartMIPS or microMIPS ASE su 2322 prompt "SmartMIPS or microMIPS ASE support" 2325 2323 2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2324 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2327 bool "None" 2325 bool "None" 2328 help 2326 help 2329 Select this if you want neither mic 2327 Select this if you want neither microMIPS nor SmartMIPS support 2330 2328 2331 config CPU_HAS_SMARTMIPS 2329 config CPU_HAS_SMARTMIPS 2332 depends on SYS_SUPPORTS_SMARTMIPS 2330 depends on SYS_SUPPORTS_SMARTMIPS 2333 bool "SmartMIPS" 2331 bool "SmartMIPS" 2334 help 2332 help 2335 SmartMIPS is a extension of the MIP 2333 SmartMIPS is a extension of the MIPS32 architecture aimed at 2336 increased security at both hardware 2334 increased security at both hardware and software level for 2337 smartcards. Enabling this option w 2335 smartcards. Enabling this option will allow proper use of the 2338 SmartMIPS instructions by Linux app 2336 SmartMIPS instructions by Linux applications. However a kernel with 2339 this option will not work on a MIPS 2337 this option will not work on a MIPS core without SmartMIPS core. If 2340 you don't know you probably don't h 2338 you don't know you probably don't have SmartMIPS and should say N 2341 here. 2339 here. 2342 2340 2343 config CPU_MICROMIPS 2341 config CPU_MICROMIPS 2344 depends on 32BIT && SYS_SUPPORTS_MICR 2342 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 2345 bool "microMIPS" 2343 bool "microMIPS" 2346 help 2344 help 2347 When this option is enabled the ker 2345 When this option is enabled the kernel will be built using the 2348 microMIPS ISA 2346 microMIPS ISA 2349 2347 2350 endchoice 2348 endchoice 2351 2349 2352 config CPU_HAS_MSA 2350 config CPU_HAS_MSA 2353 bool "Support for the MIPS SIMD Archi 2351 bool "Support for the MIPS SIMD Architecture" 2354 depends on CPU_SUPPORTS_MSA 2352 depends on CPU_SUPPORTS_MSA 2355 depends on MIPS_FP_SUPPORT 2353 depends on MIPS_FP_SUPPORT 2356 depends on 64BIT || MIPS_O32_FP64_SUP 2354 depends on 64BIT || MIPS_O32_FP64_SUPPORT 2357 help 2355 help 2358 MIPS SIMD Architecture (MSA) introd 2356 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2359 and a set of SIMD instructions to o 2357 and a set of SIMD instructions to operate on them. When this option 2360 is enabled the kernel will support 2358 is enabled the kernel will support allocating & switching MSA 2361 vector register contexts. If you kn 2359 vector register contexts. If you know that your kernel will only be 2362 running on CPUs which do not suppor 2360 running on CPUs which do not support MSA or that your userland will 2363 not be making use of it then you ma 2361 not be making use of it then you may wish to say N here to reduce 2364 the size & complexity of your kerne 2362 the size & complexity of your kernel. 2365 2363 2366 If unsure, say Y. 2364 If unsure, say Y. 2367 2365 2368 config CPU_HAS_WB 2366 config CPU_HAS_WB 2369 bool 2367 bool 2370 2368 2371 config XKS01 2369 config XKS01 2372 bool 2370 bool 2373 2371 2374 config CPU_HAS_DIEI 2372 config CPU_HAS_DIEI 2375 depends on !CPU_DIEI_BROKEN 2373 depends on !CPU_DIEI_BROKEN 2376 bool 2374 bool 2377 2375 2378 config CPU_DIEI_BROKEN 2376 config CPU_DIEI_BROKEN 2379 bool 2377 bool 2380 2378 2381 config CPU_HAS_RIXI 2379 config CPU_HAS_RIXI 2382 bool 2380 bool 2383 2381 2384 config CPU_NO_LOAD_STORE_LR 2382 config CPU_NO_LOAD_STORE_LR 2385 bool 2383 bool 2386 help 2384 help 2387 CPU lacks support for unaligned loa 2385 CPU lacks support for unaligned load and store instructions: 2388 LWL, LWR, SWL, SWR (Load/store word 2386 LWL, LWR, SWL, SWR (Load/store word left/right). 2389 LDL, LDR, SDL, SDR (Load/store doub 2387 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 2390 systems). 2388 systems). 2391 2389 2392 # 2390 # 2393 # Vectored interrupt mode is an R2 feature 2391 # Vectored interrupt mode is an R2 feature 2394 # 2392 # 2395 config CPU_MIPSR2_IRQ_VI 2393 config CPU_MIPSR2_IRQ_VI 2396 bool 2394 bool 2397 2395 2398 # 2396 # 2399 # Extended interrupt mode is an R2 feature 2397 # Extended interrupt mode is an R2 feature 2400 # 2398 # 2401 config CPU_MIPSR2_IRQ_EI 2399 config CPU_MIPSR2_IRQ_EI 2402 bool 2400 bool 2403 2401 2404 config CPU_HAS_SYNC 2402 config CPU_HAS_SYNC 2405 bool 2403 bool 2406 depends on !CPU_R3000 2404 depends on !CPU_R3000 2407 default y 2405 default y 2408 2406 2409 # 2407 # 2410 # CPU non-features 2408 # CPU non-features 2411 # 2409 # 2412 2410 2413 # Work around the "daddi" and "daddiu" CPU er 2411 # Work around the "daddi" and "daddiu" CPU errata: 2414 # 2412 # 2415 # - The `daddi' instruction fails to trap on 2413 # - The `daddi' instruction fails to trap on overflow. 2416 # "MIPS R4000PC/SC Errata, Processor Revisi 2414 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2417 # erratum #23 2415 # erratum #23 2418 # 2416 # 2419 # - The `daddiu' instruction can produce an i 2417 # - The `daddiu' instruction can produce an incorrect result. 2420 # "MIPS R4000PC/SC Errata, Processor Revisi 2418 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2421 # erratum #41 2419 # erratum #41 2422 # "MIPS R4000MC Errata, Processor Revision 2420 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum 2423 # #15 2421 # #15 2424 # "MIPS R4400PC/SC Errata, Processor Revisi 2422 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7 2425 # "MIPS R4400MC Errata, Processor Revision 2423 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5 2426 config CPU_DADDI_WORKAROUNDS 2424 config CPU_DADDI_WORKAROUNDS 2427 bool 2425 bool 2428 2426 2429 # Work around certain R4000 CPU errata (as im 2427 # Work around certain R4000 CPU errata (as implemented by GCC): 2430 # 2428 # 2431 # - A double-word or a variable shift may giv 2429 # - A double-word or a variable shift may give an incorrect result 2432 # if executed immediately after starting an 2430 # if executed immediately after starting an integer division: 2433 # "MIPS R4000PC/SC Errata, Processor Revisi 2431 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2434 # erratum #28 2432 # erratum #28 2435 # "MIPS R4000MC Errata, Processor Revision 2433 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum 2436 # #19 2434 # #19 2437 # 2435 # 2438 # - A double-word or a variable shift may giv 2436 # - A double-word or a variable shift may give an incorrect result 2439 # if executed while an integer multiplicati 2437 # if executed while an integer multiplication is in progress: 2440 # "MIPS R4000PC/SC Errata, Processor Revisi 2438 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2441 # errata #16 & #28 2439 # errata #16 & #28 2442 # 2440 # 2443 # - An integer division may give an incorrect 2441 # - An integer division may give an incorrect result if started in 2444 # a delay slot of a taken branch or a jump: 2442 # a delay slot of a taken branch or a jump: 2445 # "MIPS R4000PC/SC Errata, Processor Revisi 2443 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2446 # erratum #52 2444 # erratum #52 2447 config CPU_R4000_WORKAROUNDS 2445 config CPU_R4000_WORKAROUNDS 2448 bool 2446 bool 2449 select CPU_R4400_WORKAROUNDS 2447 select CPU_R4400_WORKAROUNDS 2450 2448 2451 # Work around certain R4400 CPU errata (as im 2449 # Work around certain R4400 CPU errata (as implemented by GCC): 2452 # 2450 # 2453 # - A double-word or a variable shift may giv 2451 # - A double-word or a variable shift may give an incorrect result 2454 # if executed immediately after starting an 2452 # if executed immediately after starting an integer division: 2455 # "MIPS R4400MC Errata, Processor Revision 2453 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10 2456 # "MIPS R4400MC Errata, Processor Revision 2454 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4 2457 config CPU_R4400_WORKAROUNDS 2455 config CPU_R4400_WORKAROUNDS 2458 bool 2456 bool 2459 2457 2460 config CPU_R4X00_BUGS64 2458 config CPU_R4X00_BUGS64 2461 bool 2459 bool 2462 default y if SYS_HAS_CPU_R4X00 && 64B 2460 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2463 2461 2464 config MIPS_ASID_SHIFT 2462 config MIPS_ASID_SHIFT 2465 int 2463 int 2466 default 6 if CPU_R3000 2464 default 6 if CPU_R3000 2467 default 0 2465 default 0 2468 2466 2469 config MIPS_ASID_BITS 2467 config MIPS_ASID_BITS 2470 int 2468 int 2471 default 0 if MIPS_ASID_BITS_VARIABLE 2469 default 0 if MIPS_ASID_BITS_VARIABLE 2472 default 6 if CPU_R3000 2470 default 6 if CPU_R3000 2473 default 8 2471 default 8 2474 2472 2475 config MIPS_ASID_BITS_VARIABLE 2473 config MIPS_ASID_BITS_VARIABLE 2476 bool 2474 bool 2477 2475 2478 config MIPS_CRC_SUPPORT 2476 config MIPS_CRC_SUPPORT 2479 bool 2477 bool 2480 2478 2481 # R4600 erratum. Due to the lack of errata i 2479 # R4600 erratum. Due to the lack of errata information the exact 2482 # technical details aren't known. I've exper 2480 # technical details aren't known. I've experimentally found that disabling 2483 # interrupts during indexed I-cache flushes s 2481 # interrupts during indexed I-cache flushes seems to be sufficient to deal 2484 # with the issue. 2482 # with the issue. 2485 config WAR_R4600_V1_INDEX_ICACHEOP 2483 config WAR_R4600_V1_INDEX_ICACHEOP 2486 bool 2484 bool 2487 2485 2488 # Pleasures of the R4600 V1.x. Cite from the 2486 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 2489 # 2487 # 2490 # 18. The CACHE instructions Hit_Writeback_I 2488 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 2491 # Hit_Invalidate_D and Create_Dirty_Excl 2489 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be 2492 # executed if there is no other dcache a 2490 # executed if there is no other dcache activity. If the dcache is 2493 # accessed for another instruction immed 2491 # accessed for another instruction immediately preceding when these 2494 # cache instructions are executing, it i 2492 # cache instructions are executing, it is possible that the dcache 2495 # tag match outputs used by these cache 2493 # tag match outputs used by these cache instructions will be 2496 # incorrect. These cache instructions sh 2494 # incorrect. These cache instructions should be preceded by at least 2497 # four instructions that are not any kin 2495 # four instructions that are not any kind of load or store 2498 # instruction. 2496 # instruction. 2499 # 2497 # 2500 # This is not allowed: lw 2498 # This is not allowed: lw 2501 # nop 2499 # nop 2502 # nop 2500 # nop 2503 # nop 2501 # nop 2504 # cache Hi 2502 # cache Hit_Writeback_Invalidate_D 2505 # 2503 # 2506 # This is allowed: lw 2504 # This is allowed: lw 2507 # nop 2505 # nop 2508 # nop 2506 # nop 2509 # nop 2507 # nop 2510 # nop 2508 # nop 2511 # cache Hi 2509 # cache Hit_Writeback_Invalidate_D 2512 config WAR_R4600_V1_HIT_CACHEOP 2510 config WAR_R4600_V1_HIT_CACHEOP 2513 bool 2511 bool 2514 2512 2515 # Writeback and invalidate the primary cache 2513 # Writeback and invalidate the primary cache dcache before DMA. 2516 # 2514 # 2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2515 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2516 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 2519 # operate correctly if the internal data cach 2517 # operate correctly if the internal data cache refill buffer is empty. These 2520 # CACHE instructions should be separated from 2518 # CACHE instructions should be separated from any potential data cache miss 2521 # by a load instruction to an uncached addres 2519 # by a load instruction to an uncached address to empty the response buffer." 2522 # (Revision 2.0 device errata from IDT availa 2520 # (Revision 2.0 device errata from IDT available on https://www.idt.com/ 2523 # in .pdf format.) 2521 # in .pdf format.) 2524 config WAR_R4600_V2_HIT_CACHEOP 2522 config WAR_R4600_V2_HIT_CACHEOP 2525 bool 2523 bool 2526 2524 2527 # From TX49/H2 manual: "If the instruction (i 2525 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 2528 # the line which this instruction itself exis 2526 # the line which this instruction itself exists, the following 2529 # operation is not guaranteed." 2527 # operation is not guaranteed." 2530 # 2528 # 2531 # Workaround: do two phase flushing for Index 2529 # Workaround: do two phase flushing for Index_Invalidate_I 2532 config WAR_TX49XX_ICACHE_INDEX_INV 2530 config WAR_TX49XX_ICACHE_INDEX_INV 2533 bool 2531 bool 2534 2532 2535 # The RM7000 processors and the E9000 cores h 2533 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2536 # opposes it being called that) where invalid 2534 # opposes it being called that) where invalid instructions in the same 2537 # I-cache line worth of instructions being fe 2535 # I-cache line worth of instructions being fetched may case spurious 2538 # exceptions. 2536 # exceptions. 2539 config WAR_ICACHE_REFILLS 2537 config WAR_ICACHE_REFILLS 2540 bool 2538 bool 2541 2539 2542 # On the R10000 up to version 2.6 (not sure a 2540 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2543 # may cause ll / sc and lld / scd sequences t 2541 # may cause ll / sc and lld / scd sequences to execute non-atomically. 2544 config WAR_R10000_LLSC 2542 config WAR_R10000_LLSC 2545 bool 2543 bool 2546 2544 2547 # 34K core erratum: "Problems Executing the T 2545 # 34K core erratum: "Problems Executing the TLBR Instruction" 2548 config WAR_MIPS34K_MISSED_ITLB 2546 config WAR_MIPS34K_MISSED_ITLB 2549 bool 2547 bool 2550 2548 2551 # 2549 # 2552 # - Highmem only makes sense for the 32-bit k 2550 # - Highmem only makes sense for the 32-bit kernel. 2553 # - The current highmem code will only work p 2551 # - The current highmem code will only work properly on physically indexed 2554 # caches such as R3000, SB1, R7000 or those 2552 # caches such as R3000, SB1, R7000 or those that look like they're virtually 2555 # indexed such as R4000/R4400 SC and MC ver 2553 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the 2556 # moment we protect the user and offer the 2554 # moment we protect the user and offer the highmem option only on machines 2557 # where it's known to be safe. This will n 2555 # where it's known to be safe. This will not offer highmem on a few systems 2558 # such as MIPS32 and MIPS64 CPUs which may 2556 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically 2559 # indexed CPUs but we're playing safe. 2557 # indexed CPUs but we're playing safe. 2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2558 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2561 # know they might have memory configuration 2559 # know they might have memory configurations that could make use of highmem 2562 # support. 2560 # support. 2563 # 2561 # 2564 config HIGHMEM 2562 config HIGHMEM 2565 bool "High Memory Support" 2563 bool "High Memory Support" 2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2564 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2567 select KMAP_LOCAL 2565 select KMAP_LOCAL 2568 2566 2569 config CPU_SUPPORTS_HIGHMEM 2567 config CPU_SUPPORTS_HIGHMEM 2570 bool 2568 bool 2571 2569 2572 config SYS_SUPPORTS_HIGHMEM 2570 config SYS_SUPPORTS_HIGHMEM 2573 bool 2571 bool 2574 2572 2575 config SYS_SUPPORTS_SMARTMIPS 2573 config SYS_SUPPORTS_SMARTMIPS 2576 bool 2574 bool 2577 2575 2578 config SYS_SUPPORTS_MICROMIPS 2576 config SYS_SUPPORTS_MICROMIPS 2579 bool 2577 bool 2580 2578 2581 config SYS_SUPPORTS_MIPS16 2579 config SYS_SUPPORTS_MIPS16 2582 bool 2580 bool 2583 help 2581 help 2584 This option must be set if a kernel 2582 This option must be set if a kernel might be executed on a MIPS16- 2585 enabled CPU even if MIPS16 is not a 2583 enabled CPU even if MIPS16 is not actually being used. In other 2586 words, it makes the kernel MIPS16-t 2584 words, it makes the kernel MIPS16-tolerant. 2587 2585 2588 config CPU_SUPPORTS_MSA 2586 config CPU_SUPPORTS_MSA 2589 bool 2587 bool 2590 2588 2591 config ARCH_FLATMEM_ENABLE 2589 config ARCH_FLATMEM_ENABLE 2592 def_bool y 2590 def_bool y 2593 depends on !NUMA && !CPU_LOONGSON2EF 2591 depends on !NUMA && !CPU_LOONGSON2EF 2594 2592 2595 config ARCH_SPARSEMEM_ENABLE 2593 config ARCH_SPARSEMEM_ENABLE 2596 bool 2594 bool 2597 2595 2598 config NUMA 2596 config NUMA 2599 bool "NUMA Support" 2597 bool "NUMA Support" 2600 depends on SYS_SUPPORTS_NUMA 2598 depends on SYS_SUPPORTS_NUMA 2601 select SMP 2599 select SMP 2602 select HAVE_SETUP_PER_CPU_AREA 2600 select HAVE_SETUP_PER_CPU_AREA 2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2601 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2604 help 2602 help 2605 Say Y to compile the kernel to supp 2603 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2606 Access). This option improves perf 2604 Access). This option improves performance on systems with more 2607 than two nodes; on two node systems 2605 than two nodes; on two node systems it is generally better to 2608 leave it disabled; on single node s 2606 leave it disabled; on single node systems leave this option 2609 disabled. 2607 disabled. 2610 2608 2611 config SYS_SUPPORTS_NUMA 2609 config SYS_SUPPORTS_NUMA 2612 bool 2610 bool 2613 2611 >> 2612 config HAVE_ARCH_NODEDATA_EXTENSION >> 2613 bool >> 2614 2614 config RELOCATABLE 2615 config RELOCATABLE 2615 bool "Relocatable kernel" 2616 bool "Relocatable kernel" 2616 depends on SYS_SUPPORTS_RELOCATABLE 2617 depends on SYS_SUPPORTS_RELOCATABLE 2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2618 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2618 CPU_MIPS32_R5 || CPU_MIPS6 2619 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2619 CPU_MIPS32_R6 || CPU_MIPS6 2620 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2620 CPU_P5600 || CAVIUM_OCTEON 2621 CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2621 CPU_LOONGSON64 2622 CPU_LOONGSON64 2622 help 2623 help 2623 This builds a kernel image that ret 2624 This builds a kernel image that retains relocation information 2624 so it can be loaded someplace besid 2625 so it can be loaded someplace besides the default 1MB. 2625 The relocations make the kernel bin 2626 The relocations make the kernel binary about 15% larger, 2626 but are discarded at runtime 2627 but are discarded at runtime 2627 2628 2628 config RELOCATION_TABLE_SIZE 2629 config RELOCATION_TABLE_SIZE 2629 hex "Relocation table size" 2630 hex "Relocation table size" 2630 depends on RELOCATABLE 2631 depends on RELOCATABLE 2631 range 0x0 0x01000000 2632 range 0x0 0x01000000 2632 default "0x00200000" if CPU_LOONGSON6 2633 default "0x00200000" if CPU_LOONGSON64 2633 default "0x00100000" 2634 default "0x00100000" 2634 help 2635 help 2635 A table of relocation data will be 2636 A table of relocation data will be appended to the kernel binary 2636 and parsed at boot to fix up the re 2637 and parsed at boot to fix up the relocated kernel. 2637 2638 2638 This option allows the amount of sp 2639 This option allows the amount of space reserved for the table to be 2639 adjusted, although the default of 1 2640 adjusted, although the default of 1Mb should be ok in most cases. 2640 2641 2641 The build will fail and a valid siz 2642 The build will fail and a valid size suggested if this is too small. 2642 2643 2643 If unsure, leave at the default val 2644 If unsure, leave at the default value. 2644 2645 2645 config RANDOMIZE_BASE 2646 config RANDOMIZE_BASE 2646 bool "Randomize the address of the ke 2647 bool "Randomize the address of the kernel image" 2647 depends on RELOCATABLE 2648 depends on RELOCATABLE 2648 help 2649 help 2649 Randomizes the physical and virtual 2650 Randomizes the physical and virtual address at which the 2650 kernel image is loaded, as a securi 2651 kernel image is loaded, as a security feature that 2651 deters exploit attempts relying on 2652 deters exploit attempts relying on knowledge of the location 2652 of kernel internals. 2653 of kernel internals. 2653 2654 2654 Entropy is generated using any copr 2655 Entropy is generated using any coprocessor 0 registers available. 2655 2656 2656 The kernel will be offset by up to 2657 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2657 2658 2658 If unsure, say N. 2659 If unsure, say N. 2659 2660 2660 config RANDOMIZE_BASE_MAX_OFFSET 2661 config RANDOMIZE_BASE_MAX_OFFSET 2661 hex "Maximum kASLR offset" if EXPERT 2662 hex "Maximum kASLR offset" if EXPERT 2662 depends on RANDOMIZE_BASE 2663 depends on RANDOMIZE_BASE 2663 range 0x0 0x40000000 if EVA || 64BIT 2664 range 0x0 0x40000000 if EVA || 64BIT 2664 range 0x0 0x08000000 2665 range 0x0 0x08000000 2665 default "0x01000000" 2666 default "0x01000000" 2666 help 2667 help 2667 When kASLR is active, this provides 2668 When kASLR is active, this provides the maximum offset that will 2668 be applied to the kernel image. It 2669 be applied to the kernel image. It should be set according to the 2669 amount of physical RAM available in 2670 amount of physical RAM available in the target system minus 2670 PHYSICAL_START and must be a power 2671 PHYSICAL_START and must be a power of 2. 2671 2672 2672 This is limited by the size of KSEG 2673 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2673 EVA or 64-bit. The default is 16Mb. 2674 EVA or 64-bit. The default is 16Mb. 2674 2675 2675 config NODES_SHIFT 2676 config NODES_SHIFT 2676 int 2677 int 2677 default "6" 2678 default "6" 2678 depends on NUMA 2679 depends on NUMA 2679 2680 2680 config HW_PERF_EVENTS 2681 config HW_PERF_EVENTS 2681 bool "Enable hardware performance cou 2682 bool "Enable hardware performance counter support for perf events" 2682 depends on PERF_EVENTS && (CPU_MIPS32 2683 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64) 2683 default y 2684 default y 2684 help 2685 help 2685 Enable hardware performance counter 2686 Enable hardware performance counter support for perf events. If 2686 disabled, perf events will use soft 2687 disabled, perf events will use software events only. 2687 2688 2688 config DMI 2689 config DMI 2689 bool "Enable DMI scanning" 2690 bool "Enable DMI scanning" 2690 depends on MACH_LOONGSON64 2691 depends on MACH_LOONGSON64 2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2692 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2692 default y 2693 default y 2693 help 2694 help 2694 Enabled scanning of DMI to identify 2695 Enabled scanning of DMI to identify machine quirks. Say Y 2695 here unless you have verified that 2696 here unless you have verified that your setup is not 2696 affected by entries in the DMI blac 2697 affected by entries in the DMI blacklist. Required by PNP 2697 BIOS code. 2698 BIOS code. 2698 2699 2699 config SMP 2700 config SMP 2700 bool "Multi-Processing support" 2701 bool "Multi-Processing support" 2701 depends on SYS_SUPPORTS_SMP 2702 depends on SYS_SUPPORTS_SMP 2702 help 2703 help 2703 This enables support for systems wi 2704 This enables support for systems with more than one CPU. If you have 2704 a system with only one CPU, say N. 2705 a system with only one CPU, say N. If you have a system with more 2705 than one CPU, say Y. 2706 than one CPU, say Y. 2706 2707 2707 If you say N here, the kernel will 2708 If you say N here, the kernel will run on uni- and multiprocessor 2708 machines, but will use only one CPU 2709 machines, but will use only one CPU of a multiprocessor machine. If 2709 you say Y here, the kernel will run 2710 you say Y here, the kernel will run on many, but not all, 2710 uniprocessor machines. On a uniproc 2711 uniprocessor machines. On a uniprocessor machine, the kernel 2711 will run faster if you say N here. 2712 will run faster if you say N here. 2712 2713 2713 People using multiprocessor machine 2714 People using multiprocessor machines who say Y here should also say 2714 Y to "Enhanced Real Time Clock Supp 2715 Y to "Enhanced Real Time Clock Support", below. 2715 2716 2716 See also the SMP-HOWTO available at 2717 See also the SMP-HOWTO available at 2717 <https://www.tldp.org/docs.html#how 2718 <https://www.tldp.org/docs.html#howto>. 2718 2719 2719 If you don't know what to do here, 2720 If you don't know what to do here, say N. 2720 2721 2721 config HOTPLUG_CPU 2722 config HOTPLUG_CPU 2722 bool "Support for hot-pluggable CPUs" 2723 bool "Support for hot-pluggable CPUs" 2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2724 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 2724 help 2725 help 2725 Say Y here to allow turning CPUs of 2726 Say Y here to allow turning CPUs off and on. CPUs can be 2726 controlled through /sys/devices/sys 2727 controlled through /sys/devices/system/cpu. 2727 (Note: power management support wil 2728 (Note: power management support will enable this option 2728 automatically on SMP systems. ) 2729 automatically on SMP systems. ) 2729 Say N if you want to disable CPU ho 2730 Say N if you want to disable CPU hotplug. 2730 2731 2731 config SMP_UP 2732 config SMP_UP 2732 bool 2733 bool 2733 2734 2734 config SYS_SUPPORTS_MIPS_CPS 2735 config SYS_SUPPORTS_MIPS_CPS 2735 bool 2736 bool 2736 2737 2737 config SYS_SUPPORTS_SMP 2738 config SYS_SUPPORTS_SMP 2738 bool 2739 bool 2739 2740 2740 config NR_CPUS_DEFAULT_4 2741 config NR_CPUS_DEFAULT_4 2741 bool 2742 bool 2742 2743 2743 config NR_CPUS_DEFAULT_8 2744 config NR_CPUS_DEFAULT_8 2744 bool 2745 bool 2745 2746 2746 config NR_CPUS_DEFAULT_16 2747 config NR_CPUS_DEFAULT_16 2747 bool 2748 bool 2748 2749 2749 config NR_CPUS_DEFAULT_32 2750 config NR_CPUS_DEFAULT_32 2750 bool 2751 bool 2751 2752 2752 config NR_CPUS_DEFAULT_64 2753 config NR_CPUS_DEFAULT_64 2753 bool 2754 bool 2754 2755 2755 config NR_CPUS 2756 config NR_CPUS 2756 int "Maximum number of CPUs (2-256)" 2757 int "Maximum number of CPUs (2-256)" 2757 range 2 256 2758 range 2 256 2758 depends on SMP 2759 depends on SMP 2759 default "4" if NR_CPUS_DEFAULT_4 2760 default "4" if NR_CPUS_DEFAULT_4 2760 default "8" if NR_CPUS_DEFAULT_8 2761 default "8" if NR_CPUS_DEFAULT_8 2761 default "16" if NR_CPUS_DEFAULT_16 2762 default "16" if NR_CPUS_DEFAULT_16 2762 default "32" if NR_CPUS_DEFAULT_32 2763 default "32" if NR_CPUS_DEFAULT_32 2763 default "64" if NR_CPUS_DEFAULT_64 2764 default "64" if NR_CPUS_DEFAULT_64 2764 help 2765 help 2765 This allows you to specify the maxi 2766 This allows you to specify the maximum number of CPUs which this 2766 kernel will support. The maximum s 2767 kernel will support. The maximum supported value is 32 for 32-bit 2767 kernel and 64 for 64-bit kernels; t 2768 kernel and 64 for 64-bit kernels; the minimum value which makes 2768 sense is 1 for Qemu (useful only fo 2769 sense is 1 for Qemu (useful only for kernel debugging purposes) 2769 and 2 for all others. 2770 and 2 for all others. 2770 2771 2771 This is purely to save memory - eac 2772 This is purely to save memory - each supported CPU adds 2772 approximately eight kilobytes to th 2773 approximately eight kilobytes to the kernel image. For best 2773 performance should round up your nu 2774 performance should round up your number of processors to the next 2774 power of two. 2775 power of two. 2775 2776 2776 config MIPS_PERF_SHARED_TC_COUNTERS 2777 config MIPS_PERF_SHARED_TC_COUNTERS 2777 bool 2778 bool 2778 2779 2779 config MIPS_NR_CPU_NR_MAP_1024 2780 config MIPS_NR_CPU_NR_MAP_1024 2780 bool 2781 bool 2781 2782 2782 config MIPS_NR_CPU_NR_MAP 2783 config MIPS_NR_CPU_NR_MAP 2783 int 2784 int 2784 depends on SMP 2785 depends on SMP 2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2786 default 1024 if MIPS_NR_CPU_NR_MAP_1024 2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2787 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 2787 2788 2788 # 2789 # 2789 # Timer Interrupt Frequency Configuration 2790 # Timer Interrupt Frequency Configuration 2790 # 2791 # 2791 2792 2792 choice 2793 choice 2793 prompt "Timer frequency" 2794 prompt "Timer frequency" 2794 default HZ_250 2795 default HZ_250 2795 help 2796 help 2796 Allows the configuration of the tim 2797 Allows the configuration of the timer frequency. 2797 2798 2798 config HZ_24 2799 config HZ_24 2799 bool "24 HZ" if SYS_SUPPORTS_ 2800 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 2800 2801 2801 config HZ_48 2802 config HZ_48 2802 bool "48 HZ" if SYS_SUPPORTS_ 2803 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 2803 2804 2804 config HZ_100 2805 config HZ_100 2805 bool "100 HZ" if SYS_SUPPORTS 2806 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 2806 2807 2807 config HZ_128 2808 config HZ_128 2808 bool "128 HZ" if SYS_SUPPORTS 2809 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 2809 2810 2810 config HZ_250 2811 config HZ_250 2811 bool "250 HZ" if SYS_SUPPORTS 2812 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 2812 2813 2813 config HZ_256 2814 config HZ_256 2814 bool "256 HZ" if SYS_SUPPORTS 2815 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 2815 2816 2816 config HZ_1000 2817 config HZ_1000 2817 bool "1000 HZ" if SYS_SUPPORT 2818 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 2818 2819 2819 config HZ_1024 2820 config HZ_1024 2820 bool "1024 HZ" if SYS_SUPPORT 2821 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 2821 2822 2822 endchoice 2823 endchoice 2823 2824 2824 config SYS_SUPPORTS_24HZ 2825 config SYS_SUPPORTS_24HZ 2825 bool 2826 bool 2826 2827 2827 config SYS_SUPPORTS_48HZ 2828 config SYS_SUPPORTS_48HZ 2828 bool 2829 bool 2829 2830 2830 config SYS_SUPPORTS_100HZ 2831 config SYS_SUPPORTS_100HZ 2831 bool 2832 bool 2832 2833 2833 config SYS_SUPPORTS_128HZ 2834 config SYS_SUPPORTS_128HZ 2834 bool 2835 bool 2835 2836 2836 config SYS_SUPPORTS_250HZ 2837 config SYS_SUPPORTS_250HZ 2837 bool 2838 bool 2838 2839 2839 config SYS_SUPPORTS_256HZ 2840 config SYS_SUPPORTS_256HZ 2840 bool 2841 bool 2841 2842 2842 config SYS_SUPPORTS_1000HZ 2843 config SYS_SUPPORTS_1000HZ 2843 bool 2844 bool 2844 2845 2845 config SYS_SUPPORTS_1024HZ 2846 config SYS_SUPPORTS_1024HZ 2846 bool 2847 bool 2847 2848 2848 config SYS_SUPPORTS_ARBIT_HZ 2849 config SYS_SUPPORTS_ARBIT_HZ 2849 bool 2850 bool 2850 default y if !SYS_SUPPORTS_24HZ && \ 2851 default y if !SYS_SUPPORTS_24HZ && \ 2851 !SYS_SUPPORTS_48HZ && \ 2852 !SYS_SUPPORTS_48HZ && \ 2852 !SYS_SUPPORTS_100HZ && \ 2853 !SYS_SUPPORTS_100HZ && \ 2853 !SYS_SUPPORTS_128HZ && \ 2854 !SYS_SUPPORTS_128HZ && \ 2854 !SYS_SUPPORTS_250HZ && \ 2855 !SYS_SUPPORTS_250HZ && \ 2855 !SYS_SUPPORTS_256HZ && \ 2856 !SYS_SUPPORTS_256HZ && \ 2856 !SYS_SUPPORTS_1000HZ && 2857 !SYS_SUPPORTS_1000HZ && \ 2857 !SYS_SUPPORTS_1024HZ 2858 !SYS_SUPPORTS_1024HZ 2858 2859 2859 config HZ 2860 config HZ 2860 int 2861 int 2861 default 24 if HZ_24 2862 default 24 if HZ_24 2862 default 48 if HZ_48 2863 default 48 if HZ_48 2863 default 100 if HZ_100 2864 default 100 if HZ_100 2864 default 128 if HZ_128 2865 default 128 if HZ_128 2865 default 250 if HZ_250 2866 default 250 if HZ_250 2866 default 256 if HZ_256 2867 default 256 if HZ_256 2867 default 1000 if HZ_1000 2868 default 1000 if HZ_1000 2868 default 1024 if HZ_1024 2869 default 1024 if HZ_1024 2869 2870 2870 config SCHED_HRTICK 2871 config SCHED_HRTICK 2871 def_bool HIGH_RES_TIMERS 2872 def_bool HIGH_RES_TIMERS 2872 2873 2873 config ARCH_SUPPORTS_KEXEC 2874 config ARCH_SUPPORTS_KEXEC 2874 def_bool y 2875 def_bool y 2875 2876 2876 config ARCH_SUPPORTS_CRASH_DUMP 2877 config ARCH_SUPPORTS_CRASH_DUMP 2877 def_bool y 2878 def_bool y 2878 2879 2879 config PHYSICAL_START 2880 config PHYSICAL_START 2880 hex "Physical address where the kerne 2881 hex "Physical address where the kernel is loaded" 2881 default "0xffffffff84000000" 2882 default "0xffffffff84000000" 2882 depends on CRASH_DUMP 2883 depends on CRASH_DUMP 2883 help 2884 help 2884 This gives the CKSEG0 or KSEG0 addr 2885 This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 2885 If you plan to use kernel for captu 2886 If you plan to use kernel for capturing the crash dump change 2886 this value to start of the reserved 2887 this value to start of the reserved region (the "X" value as 2887 specified in the "crashkernel=YM@XM 2888 specified in the "crashkernel=YM@XM" command line boot parameter 2888 passed to the panic-ed kernel). 2889 passed to the panic-ed kernel). 2889 2890 2890 config MIPS_O32_FP64_SUPPORT 2891 config MIPS_O32_FP64_SUPPORT 2891 bool "Support for O32 binaries using 2892 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2892 depends on 32BIT || MIPS32_O32 2893 depends on 32BIT || MIPS32_O32 2893 help 2894 help 2894 When this is enabled, the kernel wi 2895 When this is enabled, the kernel will support use of 64-bit floating 2895 point registers with binaries using 2896 point registers with binaries using the O32 ABI along with the 2896 EF_MIPS_FP64 ELF header flag (typic 2897 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2897 32-bit MIPS systems this support is 2898 32-bit MIPS systems this support is at the cost of increasing the 2898 size and complexity of the compiled 2899 size and complexity of the compiled FPU emulator. Thus if you are 2899 running a MIPS32 system and know th 2900 running a MIPS32 system and know that none of your userland binaries 2900 will require 64-bit floating point, 2901 will require 64-bit floating point, you may wish to reduce the size 2901 of your kernel & potentially improv 2902 of your kernel & potentially improve FP emulation performance by 2902 saying N here. 2903 saying N here. 2903 2904 2904 Although binutils currently support 2905 Although binutils currently supports use of this flag the details 2905 concerning its effect upon the O32 2906 concerning its effect upon the O32 ABI in userland are still being 2906 worked on. In order to avoid userla 2907 worked on. In order to avoid userland becoming dependent upon current 2907 behaviour before the details have b 2908 behaviour before the details have been finalised, this option should 2908 be considered experimental and only 2909 be considered experimental and only enabled by those working upon 2909 said details. 2910 said details. 2910 2911 2911 If unsure, say N. 2912 If unsure, say N. 2912 2913 2913 config USE_OF 2914 config USE_OF 2914 bool 2915 bool 2915 select OF 2916 select OF 2916 select OF_EARLY_FLATTREE 2917 select OF_EARLY_FLATTREE 2917 select IRQ_DOMAIN 2918 select IRQ_DOMAIN 2918 2919 2919 config UHI_BOOT 2920 config UHI_BOOT 2920 bool 2921 bool 2921 2922 2922 config BUILTIN_DTB 2923 config BUILTIN_DTB 2923 bool 2924 bool 2924 2925 2925 choice 2926 choice 2926 prompt "Kernel appended dtb support" !! 2927 prompt "Kernel appended dtb support" if USE_OF 2927 depends on USE_OF << 2928 default MIPS_NO_APPENDED_DTB 2928 default MIPS_NO_APPENDED_DTB 2929 2929 2930 config MIPS_NO_APPENDED_DTB 2930 config MIPS_NO_APPENDED_DTB 2931 bool "None" 2931 bool "None" 2932 help 2932 help 2933 Do not enable appended dtb 2933 Do not enable appended dtb support. 2934 2934 2935 config MIPS_ELF_APPENDED_DTB 2935 config MIPS_ELF_APPENDED_DTB 2936 bool "vmlinux" 2936 bool "vmlinux" 2937 help 2937 help 2938 With this option, the boot 2938 With this option, the boot code will look for a device tree binary 2939 DTB) included in the vmlinu 2939 DTB) included in the vmlinux ELF section .appended_dtb. By default 2940 it is empty and the DTB can 2940 it is empty and the DTB can be appended using binutils command 2941 objcopy: 2941 objcopy: 2942 2942 2943 objcopy --update-section 2943 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 2944 2944 2945 This is meant as a backward 2945 This is meant as a backward compatibility convenience for those 2946 systems with a bootloader t 2946 systems with a bootloader that can't be upgraded to accommodate 2947 the documented boot protoco 2947 the documented boot protocol using a device tree. 2948 2948 2949 config MIPS_RAW_APPENDED_DTB 2949 config MIPS_RAW_APPENDED_DTB 2950 bool "vmlinux.bin or vmlinuz. 2950 bool "vmlinux.bin or vmlinuz.bin" 2951 help 2951 help 2952 With this option, the boot 2952 With this option, the boot code will look for a device tree binary 2953 DTB) appended to raw vmlinu 2953 DTB) appended to raw vmlinux.bin or vmlinuz.bin. 2954 (e.g. cat vmlinux.bin <file 2954 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 2955 2955 2956 This is meant as a backward 2956 This is meant as a backward compatibility convenience for those 2957 systems with a bootloader t 2957 systems with a bootloader that can't be upgraded to accommodate 2958 the documented boot protoco 2958 the documented boot protocol using a device tree. 2959 2959 2960 Beware that there is very l 2960 Beware that there is very little in terms of protection against 2961 this option being confused 2961 this option being confused by leftover garbage in memory that might 2962 look like a DTB header afte 2962 look like a DTB header after a reboot if no actual DTB is appended 2963 to vmlinux.bin. Do not lea 2963 to vmlinux.bin. Do not leave this option active in a production kernel 2964 if you don't intend to alwa 2964 if you don't intend to always append a DTB. 2965 endchoice 2965 endchoice 2966 2966 2967 choice 2967 choice 2968 prompt "Kernel command line type" !! 2968 prompt "Kernel command line type" if !CMDLINE_OVERRIDE 2969 depends on !CMDLINE_OVERRIDE << 2970 default MIPS_CMDLINE_FROM_DTB if USE_ 2969 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 2971 !MAC 2970 !MACH_LOONGSON64 && !MIPS_MALTA && \ 2972 !CAV 2971 !CAVIUM_OCTEON_SOC 2973 default MIPS_CMDLINE_FROM_BOOTLOADER 2972 default MIPS_CMDLINE_FROM_BOOTLOADER 2974 2973 2975 config MIPS_CMDLINE_FROM_DTB 2974 config MIPS_CMDLINE_FROM_DTB 2976 depends on USE_OF 2975 depends on USE_OF 2977 bool "Dtb kernel arguments if 2976 bool "Dtb kernel arguments if available" 2978 2977 2979 config MIPS_CMDLINE_DTB_EXTEND 2978 config MIPS_CMDLINE_DTB_EXTEND 2980 depends on USE_OF 2979 depends on USE_OF 2981 bool "Extend dtb kernel argum 2980 bool "Extend dtb kernel arguments with bootloader arguments" 2982 2981 2983 config MIPS_CMDLINE_FROM_BOOTLOADER 2982 config MIPS_CMDLINE_FROM_BOOTLOADER 2984 bool "Bootloader kernel argum 2983 bool "Bootloader kernel arguments if available" 2985 2984 2986 config MIPS_CMDLINE_BUILTIN_EXTEND 2985 config MIPS_CMDLINE_BUILTIN_EXTEND 2987 depends on CMDLINE_BOOL 2986 depends on CMDLINE_BOOL 2988 bool "Extend builtin kernel a 2987 bool "Extend builtin kernel arguments with bootloader arguments" 2989 endchoice 2988 endchoice 2990 2989 2991 endmenu 2990 endmenu 2992 2991 2993 config LOCKDEP_SUPPORT 2992 config LOCKDEP_SUPPORT 2994 bool 2993 bool 2995 default y 2994 default y 2996 2995 2997 config STACKTRACE_SUPPORT 2996 config STACKTRACE_SUPPORT 2998 bool 2997 bool 2999 default y 2998 default y 3000 2999 3001 config PGTABLE_LEVELS 3000 config PGTABLE_LEVELS 3002 int 3001 int 3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 3002 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3004 default 3 if 64BIT && (!PAGE_SIZE_64K 3003 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) 3005 default 2 3004 default 2 3006 3005 3007 config MIPS_AUTO_PFN_OFFSET 3006 config MIPS_AUTO_PFN_OFFSET 3008 bool 3007 bool 3009 3008 3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 3009 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 3011 3010 3012 config PCI_DRIVERS_GENERIC 3011 config PCI_DRIVERS_GENERIC 3013 select PCI_DOMAINS_GENERIC if PCI 3012 select PCI_DOMAINS_GENERIC if PCI 3014 bool 3013 bool 3015 3014 3016 config PCI_DRIVERS_LEGACY 3015 config PCI_DRIVERS_LEGACY 3017 def_bool !PCI_DRIVERS_GENERIC 3016 def_bool !PCI_DRIVERS_GENERIC 3018 select NO_GENERIC_PCI_IOPORT_MAP 3017 select NO_GENERIC_PCI_IOPORT_MAP 3019 select PCI_DOMAINS if PCI 3018 select PCI_DOMAINS if PCI 3020 3019 3021 # 3020 # 3022 # ISA support is now enabled via select. Too 3021 # ISA support is now enabled via select. Too many systems still have the one 3023 # or other ISA chip on the board that users d 3022 # or other ISA chip on the board that users don't know about so don't expect 3024 # users to choose the right thing ... 3023 # users to choose the right thing ... 3025 # 3024 # 3026 config ISA 3025 config ISA 3027 bool 3026 bool 3028 3027 3029 config TC 3028 config TC 3030 bool "TURBOchannel support" 3029 bool "TURBOchannel support" 3031 depends on MACH_DECSTATION 3030 depends on MACH_DECSTATION 3032 help 3031 help 3033 TURBOchannel is a DEC (now Compaq ( 3032 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 3034 processors. TURBOchannel programmi 3033 processors. TURBOchannel programming specifications are available 3035 at: 3034 at: 3036 <ftp://ftp.hp.com/pub/alphaserver/a 3035 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 3037 and: 3036 and: 3038 <http://www.computer-refuge.org/cla 3037 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 3039 Linux driver support status is docu 3038 Linux driver support status is documented at: 3040 <http://www.linux-mips.org/wiki/DEC 3039 <http://www.linux-mips.org/wiki/DECstation> 3041 3040 3042 config MMU 3041 config MMU 3043 bool 3042 bool 3044 default y 3043 default y 3045 3044 3046 config ARCH_MMAP_RND_BITS_MIN 3045 config ARCH_MMAP_RND_BITS_MIN 3047 default 12 if 64BIT 3046 default 12 if 64BIT 3048 default 8 3047 default 8 3049 3048 3050 config ARCH_MMAP_RND_BITS_MAX 3049 config ARCH_MMAP_RND_BITS_MAX 3051 default 18 if 64BIT 3050 default 18 if 64BIT 3052 default 15 3051 default 15 3053 3052 3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3053 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3055 default 8 3054 default 8 3056 3055 3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3056 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3058 default 15 3057 default 15 3059 3058 3060 config I8253 3059 config I8253 3061 bool 3060 bool 3062 select CLKSRC_I8253 3061 select CLKSRC_I8253 3063 select CLKEVT_I8253 3062 select CLKEVT_I8253 3064 select MIPS_EXTERNAL_TIMER 3063 select MIPS_EXTERNAL_TIMER 3065 endmenu 3064 endmenu 3066 3065 3067 config TRAD_SIGNALS 3066 config TRAD_SIGNALS 3068 bool 3067 bool 3069 3068 3070 config MIPS32_COMPAT 3069 config MIPS32_COMPAT 3071 bool 3070 bool 3072 3071 3073 config COMPAT 3072 config COMPAT 3074 bool 3073 bool 3075 3074 3076 config MIPS32_O32 3075 config MIPS32_O32 3077 bool "Kernel support for o32 binaries 3076 bool "Kernel support for o32 binaries" 3078 depends on 64BIT 3077 depends on 64BIT 3079 select ARCH_WANT_OLD_COMPAT_IPC 3078 select ARCH_WANT_OLD_COMPAT_IPC 3080 select COMPAT 3079 select COMPAT 3081 select MIPS32_COMPAT 3080 select MIPS32_COMPAT 3082 help 3081 help 3083 Select this option if you want to r 3082 Select this option if you want to run o32 binaries. These are pure 3084 32-bit binaries as used by the 32-b 3083 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 3085 existing binaries are in this forma 3084 existing binaries are in this format. 3086 3085 3087 If unsure, say Y. 3086 If unsure, say Y. 3088 3087 3089 config MIPS32_N32 3088 config MIPS32_N32 3090 bool "Kernel support for n32 binaries 3089 bool "Kernel support for n32 binaries" 3091 depends on 64BIT 3090 depends on 64BIT 3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3091 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 3093 select COMPAT 3092 select COMPAT 3094 select MIPS32_COMPAT 3093 select MIPS32_COMPAT 3095 help 3094 help 3096 Select this option if you want to r 3095 Select this option if you want to run n32 binaries. These are 3097 64-bit binaries using 32-bit quanti 3096 64-bit binaries using 32-bit quantities for addressing and certain 3098 data that would normally be 64-bit. 3097 data that would normally be 64-bit. They are used in special 3099 cases. 3098 cases. 3100 3099 3101 If unsure, say N. 3100 If unsure, say N. 3102 3101 3103 config CC_HAS_MNO_BRANCH_LIKELY 3102 config CC_HAS_MNO_BRANCH_LIKELY 3104 def_bool y 3103 def_bool y 3105 depends on $(cc-option,-mno-branch-li 3104 depends on $(cc-option,-mno-branch-likely) 3106 3105 3107 # https://github.com/llvm/llvm-project/issues 3106 # https://github.com/llvm/llvm-project/issues/61045 3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3107 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3109 def_bool y if CC_IS_CLANG 3108 def_bool y if CC_IS_CLANG 3110 3109 3111 menu "Power management options" 3110 menu "Power management options" 3112 3111 3113 config ARCH_HIBERNATION_POSSIBLE 3112 config ARCH_HIBERNATION_POSSIBLE 3114 def_bool y 3113 def_bool y 3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3114 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3116 3115 3117 config ARCH_SUSPEND_POSSIBLE 3116 config ARCH_SUSPEND_POSSIBLE 3118 def_bool y 3117 def_bool y 3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3118 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3120 3119 3121 source "kernel/power/Kconfig" 3120 source "kernel/power/Kconfig" 3122 3121 3123 endmenu 3122 endmenu 3124 3123 3125 config MIPS_EXTERNAL_TIMER 3124 config MIPS_EXTERNAL_TIMER 3126 bool 3125 bool 3127 3126 3128 menu "CPU Power Management" 3127 menu "CPU Power Management" 3129 3128 3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3129 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 3131 source "drivers/cpufreq/Kconfig" 3130 source "drivers/cpufreq/Kconfig" 3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL 3131 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 3133 3132 3134 source "drivers/cpuidle/Kconfig" 3133 source "drivers/cpuidle/Kconfig" 3135 3134 3136 endmenu 3135 endmenu 3137 3136 3138 source "arch/mips/kvm/Kconfig" 3137 source "arch/mips/kvm/Kconfig" 3139 3138 3140 source "arch/mips/vdso/Kconfig" 3139 source "arch/mips/vdso/Kconfig"
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.