1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0 2 config MIPS 2 config MIPS 3 bool 3 bool 4 default y 4 default y 5 select ARCH_32BIT_OFF_T if !64BIT 5 select ARCH_32BIT_OFF_T if !64BIT 6 select ARCH_BINFMT_ELF_STATE if MIPS_F 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 7 select ARCH_HAS_CPU_CACHE_ALIASING << 8 select ARCH_HAS_CPU_FINALIZE_INIT 7 select ARCH_HAS_CPU_FINALIZE_INIT 9 select ARCH_HAS_CURRENT_STACK_POINTER 8 select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000 10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI 9 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT 11 select ARCH_HAS_DMA_OPS if MACH_JAZZ << 12 select ARCH_HAS_FORTIFY_SOURCE 10 select ARCH_HAS_FORTIFY_SOURCE 13 select ARCH_HAS_KCOV 11 select ARCH_HAS_KCOV 14 select ARCH_HAS_NON_OVERLAPPING_ADDRES 12 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA 15 select ARCH_HAS_PTE_SPECIAL if !(32BIT 13 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 16 select ARCH_HAS_STRNCPY_FROM_USER 14 select ARCH_HAS_STRNCPY_FROM_USER 17 select ARCH_HAS_STRNLEN_USER 15 select ARCH_HAS_STRNLEN_USER 18 select ARCH_HAS_TICK_BROADCAST if GENE 16 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 19 select ARCH_HAS_UBSAN !! 17 select ARCH_HAS_UBSAN_SANITIZE_ALL 20 select ARCH_HAS_GCOV_PROFILE_ALL 18 select ARCH_HAS_GCOV_PROFILE_ALL 21 select ARCH_KEEP_MEMBLOCK 19 select ARCH_KEEP_MEMBLOCK 22 select ARCH_USE_BUILTIN_BSWAP 20 select ARCH_USE_BUILTIN_BSWAP 23 select ARCH_USE_CMPXCHG_LOCKREF if 64B 21 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 24 select ARCH_USE_MEMTEST 22 select ARCH_USE_MEMTEST 25 select ARCH_USE_QUEUED_RWLOCKS 23 select ARCH_USE_QUEUED_RWLOCKS 26 select ARCH_USE_QUEUED_SPINLOCKS 24 select ARCH_USE_QUEUED_SPINLOCKS 27 select ARCH_SUPPORTS_HUGETLBFS if CPU_ 25 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES 28 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ 26 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 29 select ARCH_WANT_IPC_PARSE_VERSION 27 select ARCH_WANT_IPC_PARSE_VERSION 30 select ARCH_WANT_LD_ORPHAN_WARN 28 select ARCH_WANT_LD_ORPHAN_WARN 31 select BUILDTIME_TABLE_SORT 29 select BUILDTIME_TABLE_SORT 32 select CLONE_BACKWARDS 30 select CLONE_BACKWARDS 33 select CPU_NO_EFFICIENT_FFS if (TARGET 31 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 34 select CPU_PM if CPU_IDLE || SUSPEND !! 32 select CPU_PM if CPU_IDLE 35 select GENERIC_ATOMIC64 if !64BIT 33 select GENERIC_ATOMIC64 if !64BIT 36 select GENERIC_CMOS_UPDATE 34 select GENERIC_CMOS_UPDATE 37 select GENERIC_CPU_AUTOPROBE 35 select GENERIC_CPU_AUTOPROBE 38 select GENERIC_GETTIMEOFDAY 36 select GENERIC_GETTIMEOFDAY 39 select GENERIC_IOMAP 37 select GENERIC_IOMAP 40 select GENERIC_IRQ_PROBE 38 select GENERIC_IRQ_PROBE 41 select GENERIC_IRQ_SHOW 39 select GENERIC_IRQ_SHOW 42 select GENERIC_ISA_DMA if EISA 40 select GENERIC_ISA_DMA if EISA 43 select GENERIC_LIB_ASHLDI3 41 select GENERIC_LIB_ASHLDI3 44 select GENERIC_LIB_ASHRDI3 42 select GENERIC_LIB_ASHRDI3 45 select GENERIC_LIB_CMPDI2 43 select GENERIC_LIB_CMPDI2 46 select GENERIC_LIB_LSHRDI3 44 select GENERIC_LIB_LSHRDI3 47 select GENERIC_LIB_UCMPDI2 45 select GENERIC_LIB_UCMPDI2 48 select GENERIC_SCHED_CLOCK if !CAVIUM_ 46 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 49 select GENERIC_SMP_IDLE_THREAD 47 select GENERIC_SMP_IDLE_THREAD 50 select GENERIC_IDLE_POLL_SETUP 48 select GENERIC_IDLE_POLL_SETUP 51 select GENERIC_TIME_VSYSCALL 49 select GENERIC_TIME_VSYSCALL 52 select GUP_GET_PXX_LOW_HIGH if CPU_MIP 50 select GUP_GET_PXX_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 53 select HAS_IOPORT if !NO_IOPORT_MAP || 51 select HAS_IOPORT if !NO_IOPORT_MAP || ISA 54 select HAVE_ARCH_COMPILER_H 52 select HAVE_ARCH_COMPILER_H 55 select HAVE_ARCH_JUMP_LABEL 53 select HAVE_ARCH_JUMP_LABEL 56 select HAVE_ARCH_KGDB if MIPS_FP_SUPPO 54 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 57 select HAVE_ARCH_MMAP_RND_BITS if MMU 55 select HAVE_ARCH_MMAP_RND_BITS if MMU 58 select HAVE_ARCH_MMAP_RND_COMPAT_BITS 56 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 59 select HAVE_ARCH_SECCOMP_FILTER 57 select HAVE_ARCH_SECCOMP_FILTER 60 select HAVE_ARCH_TRACEHOOK 58 select HAVE_ARCH_TRACEHOOK 61 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 59 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 62 select HAVE_ASM_MODVERSIONS 60 select HAVE_ASM_MODVERSIONS 63 select HAVE_CONTEXT_TRACKING_USER 61 select HAVE_CONTEXT_TRACKING_USER 64 select HAVE_TIF_NOHZ 62 select HAVE_TIF_NOHZ 65 select HAVE_C_RECORDMCOUNT 63 select HAVE_C_RECORDMCOUNT 66 select HAVE_DEBUG_KMEMLEAK 64 select HAVE_DEBUG_KMEMLEAK 67 select HAVE_DEBUG_STACKOVERFLOW 65 select HAVE_DEBUG_STACKOVERFLOW 68 select HAVE_DMA_CONTIGUOUS 66 select HAVE_DMA_CONTIGUOUS 69 select HAVE_DYNAMIC_FTRACE 67 select HAVE_DYNAMIC_FTRACE 70 select HAVE_EBPF_JIT if !CPU_MICROMIPS 68 select HAVE_EBPF_JIT if !CPU_MICROMIPS 71 select HAVE_EXIT_THREAD 69 select HAVE_EXIT_THREAD 72 select HAVE_GUP_FAST !! 70 select HAVE_FAST_GUP 73 select HAVE_FTRACE_MCOUNT_RECORD 71 select HAVE_FTRACE_MCOUNT_RECORD 74 select HAVE_FUNCTION_GRAPH_TRACER 72 select HAVE_FUNCTION_GRAPH_TRACER 75 select HAVE_FUNCTION_TRACER 73 select HAVE_FUNCTION_TRACER 76 select HAVE_GCC_PLUGINS 74 select HAVE_GCC_PLUGINS 77 select HAVE_GENERIC_VDSO 75 select HAVE_GENERIC_VDSO 78 select HAVE_IOREMAP_PROT 76 select HAVE_IOREMAP_PROT 79 select HAVE_IRQ_EXIT_ON_IRQ_STACK 77 select HAVE_IRQ_EXIT_ON_IRQ_STACK 80 select HAVE_IRQ_TIME_ACCOUNTING 78 select HAVE_IRQ_TIME_ACCOUNTING 81 select HAVE_KPROBES 79 select HAVE_KPROBES 82 select HAVE_KRETPROBES 80 select HAVE_KRETPROBES 83 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT 81 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 84 select HAVE_MOD_ARCH_SPECIFIC 82 select HAVE_MOD_ARCH_SPECIFIC 85 select HAVE_NMI 83 select HAVE_NMI 86 select HAVE_PAGE_SIZE_4KB if !CPU_LOON << 87 select HAVE_PAGE_SIZE_16KB if !CPU_R30 << 88 select HAVE_PAGE_SIZE_64KB if !CPU_R30 << 89 select HAVE_PERF_EVENTS 84 select HAVE_PERF_EVENTS 90 select HAVE_PERF_REGS 85 select HAVE_PERF_REGS 91 select HAVE_PERF_USER_STACK_DUMP 86 select HAVE_PERF_USER_STACK_DUMP 92 select HAVE_REGS_AND_STACK_ACCESS_API 87 select HAVE_REGS_AND_STACK_ACCESS_API 93 select HAVE_RSEQ 88 select HAVE_RSEQ 94 select HAVE_SPARSE_SYSCALL_NR 89 select HAVE_SPARSE_SYSCALL_NR 95 select HAVE_STACKPROTECTOR 90 select HAVE_STACKPROTECTOR 96 select HAVE_SYSCALL_TRACEPOINTS 91 select HAVE_SYSCALL_TRACEPOINTS 97 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 92 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 98 select IRQ_FORCED_THREADING 93 select IRQ_FORCED_THREADING 99 select ISA if EISA 94 select ISA if EISA 100 select LOCK_MM_AND_FIND_VMA 95 select LOCK_MM_AND_FIND_VMA 101 select MODULES_USE_ELF_REL if MODULES 96 select MODULES_USE_ELF_REL if MODULES 102 select MODULES_USE_ELF_RELA if MODULES 97 select MODULES_USE_ELF_RELA if MODULES && 64BIT 103 select PERF_USE_VMALLOC 98 select PERF_USE_VMALLOC 104 select PCI_MSI_ARCH_FALLBACKS if PCI_M 99 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 105 select RTC_LIB 100 select RTC_LIB 106 select SYSCTL_EXCEPTION_TRACE 101 select SYSCTL_EXCEPTION_TRACE 107 select TRACE_IRQFLAGS_SUPPORT 102 select TRACE_IRQFLAGS_SUPPORT 108 select ARCH_HAS_ELFCORE_COMPAT 103 select ARCH_HAS_ELFCORE_COMPAT 109 select HAVE_ARCH_KCSAN if 64BIT 104 select HAVE_ARCH_KCSAN if 64BIT 110 105 111 config MIPS_FIXUP_BIGPHYS_ADDR 106 config MIPS_FIXUP_BIGPHYS_ADDR 112 bool 107 bool 113 108 114 config MIPS_GENERIC 109 config MIPS_GENERIC 115 bool 110 bool 116 111 117 config MACH_GENERIC_CORE << 118 bool << 119 << 120 config MACH_INGENIC 112 config MACH_INGENIC 121 bool 113 bool 122 select SYS_SUPPORTS_32BIT_KERNEL 114 select SYS_SUPPORTS_32BIT_KERNEL 123 select SYS_SUPPORTS_LITTLE_ENDIAN 115 select SYS_SUPPORTS_LITTLE_ENDIAN 124 select SYS_SUPPORTS_ZBOOT 116 select SYS_SUPPORTS_ZBOOT 125 select DMA_NONCOHERENT 117 select DMA_NONCOHERENT 126 select IRQ_MIPS_CPU 118 select IRQ_MIPS_CPU 127 select PINCTRL 119 select PINCTRL 128 select GPIOLIB 120 select GPIOLIB 129 select COMMON_CLK 121 select COMMON_CLK 130 select GENERIC_IRQ_CHIP 122 select GENERIC_IRQ_CHIP 131 select BUILTIN_DTB if MIPS_NO_APPENDED 123 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 132 select USE_OF 124 select USE_OF 133 select CPU_SUPPORTS_CPUFREQ 125 select CPU_SUPPORTS_CPUFREQ 134 select MIPS_EXTERNAL_TIMER 126 select MIPS_EXTERNAL_TIMER 135 127 136 menu "Machine selection" 128 menu "Machine selection" 137 129 138 choice 130 choice 139 prompt "System type" 131 prompt "System type" 140 default MIPS_GENERIC_KERNEL 132 default MIPS_GENERIC_KERNEL 141 133 142 config MIPS_GENERIC_KERNEL 134 config MIPS_GENERIC_KERNEL 143 bool "Generic board-agnostic MIPS kern 135 bool "Generic board-agnostic MIPS kernel" 144 select MIPS_GENERIC 136 select MIPS_GENERIC 145 select BOOT_RAW 137 select BOOT_RAW 146 select BUILTIN_DTB 138 select BUILTIN_DTB 147 select CEVT_R4K 139 select CEVT_R4K 148 select CLKSRC_MIPS_GIC 140 select CLKSRC_MIPS_GIC 149 select COMMON_CLK 141 select COMMON_CLK 150 select CPU_MIPSR2_IRQ_EI 142 select CPU_MIPSR2_IRQ_EI 151 select CPU_MIPSR2_IRQ_VI 143 select CPU_MIPSR2_IRQ_VI 152 select CSRC_R4K 144 select CSRC_R4K 153 select DMA_NONCOHERENT 145 select DMA_NONCOHERENT 154 select HAVE_PCI 146 select HAVE_PCI 155 select IRQ_MIPS_CPU 147 select IRQ_MIPS_CPU 156 select MACH_GENERIC_CORE << 157 select MIPS_AUTO_PFN_OFFSET 148 select MIPS_AUTO_PFN_OFFSET 158 select MIPS_CPU_SCACHE 149 select MIPS_CPU_SCACHE 159 select MIPS_GIC 150 select MIPS_GIC 160 select MIPS_L1_CACHE_SHIFT_7 151 select MIPS_L1_CACHE_SHIFT_7 161 select NO_EXCEPT_FILL 152 select NO_EXCEPT_FILL 162 select PCI_DRIVERS_GENERIC 153 select PCI_DRIVERS_GENERIC 163 select SMP_UP if SMP 154 select SMP_UP if SMP 164 select SWAP_IO_SPACE 155 select SWAP_IO_SPACE 165 select SYS_HAS_CPU_MIPS32_R1 156 select SYS_HAS_CPU_MIPS32_R1 166 select SYS_HAS_CPU_MIPS32_R2 157 select SYS_HAS_CPU_MIPS32_R2 167 select SYS_HAS_CPU_MIPS32_R5 158 select SYS_HAS_CPU_MIPS32_R5 168 select SYS_HAS_CPU_MIPS32_R6 159 select SYS_HAS_CPU_MIPS32_R6 169 select SYS_HAS_CPU_MIPS64_R1 160 select SYS_HAS_CPU_MIPS64_R1 170 select SYS_HAS_CPU_MIPS64_R2 161 select SYS_HAS_CPU_MIPS64_R2 171 select SYS_HAS_CPU_MIPS64_R5 162 select SYS_HAS_CPU_MIPS64_R5 172 select SYS_HAS_CPU_MIPS64_R6 163 select SYS_HAS_CPU_MIPS64_R6 173 select SYS_SUPPORTS_32BIT_KERNEL 164 select SYS_SUPPORTS_32BIT_KERNEL 174 select SYS_SUPPORTS_64BIT_KERNEL 165 select SYS_SUPPORTS_64BIT_KERNEL 175 select SYS_SUPPORTS_BIG_ENDIAN 166 select SYS_SUPPORTS_BIG_ENDIAN 176 select SYS_SUPPORTS_HIGHMEM 167 select SYS_SUPPORTS_HIGHMEM 177 select SYS_SUPPORTS_LITTLE_ENDIAN 168 select SYS_SUPPORTS_LITTLE_ENDIAN 178 select SYS_SUPPORTS_MICROMIPS 169 select SYS_SUPPORTS_MICROMIPS 179 select SYS_SUPPORTS_MIPS16 170 select SYS_SUPPORTS_MIPS16 180 select SYS_SUPPORTS_MIPS_CPS 171 select SYS_SUPPORTS_MIPS_CPS 181 select SYS_SUPPORTS_MULTITHREADING 172 select SYS_SUPPORTS_MULTITHREADING 182 select SYS_SUPPORTS_RELOCATABLE 173 select SYS_SUPPORTS_RELOCATABLE 183 select SYS_SUPPORTS_SMARTMIPS 174 select SYS_SUPPORTS_SMARTMIPS 184 select SYS_SUPPORTS_ZBOOT 175 select SYS_SUPPORTS_ZBOOT 185 select UHI_BOOT 176 select UHI_BOOT 186 select USB_EHCI_BIG_ENDIAN_DESC if CPU 177 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 178 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 188 select USB_OHCI_BIG_ENDIAN_DESC if CPU 179 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 180 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 190 select USB_UHCI_BIG_ENDIAN_DESC if CPU 181 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU 182 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 192 select USE_OF 183 select USE_OF 193 help 184 help 194 Select this to build a kernel which 185 Select this to build a kernel which aims to support multiple boards, 195 generally using a flattened device t 186 generally using a flattened device tree passed from the bootloader 196 using the boot protocol defined in t 187 using the boot protocol defined in the UHI (Unified Hosting 197 Interface) specification. 188 Interface) specification. 198 189 199 config MIPS_ALCHEMY 190 config MIPS_ALCHEMY 200 bool "Alchemy processor based machines 191 bool "Alchemy processor based machines" 201 select PHYS_ADDR_T_64BIT 192 select PHYS_ADDR_T_64BIT 202 select CEVT_R4K 193 select CEVT_R4K 203 select CSRC_R4K 194 select CSRC_R4K 204 select IRQ_MIPS_CPU 195 select IRQ_MIPS_CPU 205 select DMA_NONCOHERENT # Au10 196 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 206 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 197 select MIPS_FIXUP_BIGPHYS_ADDR if PCI 207 select SYS_HAS_CPU_MIPS32_R1 198 select SYS_HAS_CPU_MIPS32_R1 208 select SYS_SUPPORTS_32BIT_KERNEL 199 select SYS_SUPPORTS_32BIT_KERNEL 209 select SYS_SUPPORTS_APM_EMULATION 200 select SYS_SUPPORTS_APM_EMULATION 210 select GPIOLIB 201 select GPIOLIB 211 select SYS_SUPPORTS_ZBOOT 202 select SYS_SUPPORTS_ZBOOT 212 select COMMON_CLK 203 select COMMON_CLK 213 204 214 config ATH25 205 config ATH25 215 bool "Atheros AR231x/AR531x SoC suppor 206 bool "Atheros AR231x/AR531x SoC support" 216 select CEVT_R4K 207 select CEVT_R4K 217 select CSRC_R4K 208 select CSRC_R4K 218 select DMA_NONCOHERENT 209 select DMA_NONCOHERENT 219 select IRQ_MIPS_CPU 210 select IRQ_MIPS_CPU 220 select IRQ_DOMAIN 211 select IRQ_DOMAIN 221 select SYS_HAS_CPU_MIPS32_R1 212 select SYS_HAS_CPU_MIPS32_R1 222 select SYS_SUPPORTS_BIG_ENDIAN 213 select SYS_SUPPORTS_BIG_ENDIAN 223 select SYS_SUPPORTS_32BIT_KERNEL 214 select SYS_SUPPORTS_32BIT_KERNEL 224 select SYS_HAS_EARLY_PRINTK 215 select SYS_HAS_EARLY_PRINTK 225 help 216 help 226 Support for Atheros AR231x and Ather 217 Support for Atheros AR231x and Atheros AR531x based boards 227 218 228 config ATH79 219 config ATH79 229 bool "Atheros AR71XX/AR724X/AR913X bas 220 bool "Atheros AR71XX/AR724X/AR913X based boards" 230 select ARCH_HAS_RESET_CONTROLLER 221 select ARCH_HAS_RESET_CONTROLLER 231 select BOOT_RAW 222 select BOOT_RAW 232 select CEVT_R4K 223 select CEVT_R4K 233 select CSRC_R4K 224 select CSRC_R4K 234 select DMA_NONCOHERENT 225 select DMA_NONCOHERENT 235 select GPIOLIB 226 select GPIOLIB 236 select PINCTRL 227 select PINCTRL 237 select COMMON_CLK 228 select COMMON_CLK 238 select IRQ_MIPS_CPU 229 select IRQ_MIPS_CPU 239 select SYS_HAS_CPU_MIPS32_R2 230 select SYS_HAS_CPU_MIPS32_R2 240 select SYS_HAS_EARLY_PRINTK 231 select SYS_HAS_EARLY_PRINTK 241 select SYS_SUPPORTS_32BIT_KERNEL 232 select SYS_SUPPORTS_32BIT_KERNEL 242 select SYS_SUPPORTS_BIG_ENDIAN 233 select SYS_SUPPORTS_BIG_ENDIAN 243 select SYS_SUPPORTS_MIPS16 234 select SYS_SUPPORTS_MIPS16 244 select SYS_SUPPORTS_ZBOOT_UART_PROM 235 select SYS_SUPPORTS_ZBOOT_UART_PROM 245 select USE_OF 236 select USE_OF 246 select USB_EHCI_ROOT_HUB_TT if USB_EHC 237 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 247 help 238 help 248 Support for the Atheros AR71XX/AR724 239 Support for the Atheros AR71XX/AR724X/AR913X SoCs. 249 240 250 config BMIPS_GENERIC 241 config BMIPS_GENERIC 251 bool "Broadcom Generic BMIPS kernel" 242 bool "Broadcom Generic BMIPS kernel" 252 select ARCH_HAS_RESET_CONTROLLER 243 select ARCH_HAS_RESET_CONTROLLER 253 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 244 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 254 select BOOT_RAW 245 select BOOT_RAW 255 select NO_EXCEPT_FILL 246 select NO_EXCEPT_FILL 256 select USE_OF 247 select USE_OF 257 select CEVT_R4K 248 select CEVT_R4K 258 select CSRC_R4K 249 select CSRC_R4K 259 select SYNC_R4K 250 select SYNC_R4K 260 select COMMON_CLK 251 select COMMON_CLK 261 select BCM6345_L1_IRQ 252 select BCM6345_L1_IRQ 262 select BCM7038_L1_IRQ 253 select BCM7038_L1_IRQ 263 select BCM7120_L2_IRQ 254 select BCM7120_L2_IRQ 264 select BRCMSTB_L2_IRQ 255 select BRCMSTB_L2_IRQ 265 select IRQ_MIPS_CPU 256 select IRQ_MIPS_CPU 266 select DMA_NONCOHERENT 257 select DMA_NONCOHERENT 267 select SYS_SUPPORTS_32BIT_KERNEL 258 select SYS_SUPPORTS_32BIT_KERNEL 268 select SYS_SUPPORTS_LITTLE_ENDIAN 259 select SYS_SUPPORTS_LITTLE_ENDIAN 269 select SYS_SUPPORTS_BIG_ENDIAN 260 select SYS_SUPPORTS_BIG_ENDIAN 270 select SYS_SUPPORTS_HIGHMEM 261 select SYS_SUPPORTS_HIGHMEM 271 select SYS_HAS_CPU_BMIPS32_3300 262 select SYS_HAS_CPU_BMIPS32_3300 272 select SYS_HAS_CPU_BMIPS4350 263 select SYS_HAS_CPU_BMIPS4350 273 select SYS_HAS_CPU_BMIPS4380 264 select SYS_HAS_CPU_BMIPS4380 274 select SYS_HAS_CPU_BMIPS5000 265 select SYS_HAS_CPU_BMIPS5000 275 select SWAP_IO_SPACE 266 select SWAP_IO_SPACE 276 select USB_EHCI_BIG_ENDIAN_DESC if CPU 267 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 277 select USB_EHCI_BIG_ENDIAN_MMIO if CPU 268 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 278 select USB_OHCI_BIG_ENDIAN_DESC if CPU 269 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 279 select USB_OHCI_BIG_ENDIAN_MMIO if CPU 270 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 280 select HARDIRQS_SW_RESEND 271 select HARDIRQS_SW_RESEND 281 select HAVE_PCI 272 select HAVE_PCI 282 select PCI_DRIVERS_GENERIC 273 select PCI_DRIVERS_GENERIC 283 select FW_CFE 274 select FW_CFE 284 help 275 help 285 Build a generic DT-based kernel imag 276 Build a generic DT-based kernel image that boots on select 286 BCM33xx cable modem chips, BCM63xx D 277 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 287 box chips. Note that CONFIG_CPU_BIG 278 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 288 must be set appropriately for your b 279 must be set appropriately for your board. 289 280 290 config BCM47XX 281 config BCM47XX 291 bool "Broadcom BCM47XX based boards" 282 bool "Broadcom BCM47XX based boards" 292 select BOOT_RAW 283 select BOOT_RAW 293 select CEVT_R4K 284 select CEVT_R4K 294 select CSRC_R4K 285 select CSRC_R4K 295 select DMA_NONCOHERENT 286 select DMA_NONCOHERENT 296 select HAVE_PCI 287 select HAVE_PCI 297 select IRQ_MIPS_CPU 288 select IRQ_MIPS_CPU 298 select SYS_HAS_CPU_MIPS32_R1 289 select SYS_HAS_CPU_MIPS32_R1 299 select NO_EXCEPT_FILL 290 select NO_EXCEPT_FILL 300 select SYS_SUPPORTS_32BIT_KERNEL 291 select SYS_SUPPORTS_32BIT_KERNEL 301 select SYS_SUPPORTS_LITTLE_ENDIAN 292 select SYS_SUPPORTS_LITTLE_ENDIAN 302 select SYS_SUPPORTS_MIPS16 293 select SYS_SUPPORTS_MIPS16 303 select SYS_SUPPORTS_ZBOOT 294 select SYS_SUPPORTS_ZBOOT 304 select SYS_HAS_EARLY_PRINTK 295 select SYS_HAS_EARLY_PRINTK 305 select USE_GENERIC_EARLY_PRINTK_8250 296 select USE_GENERIC_EARLY_PRINTK_8250 306 select GPIOLIB 297 select GPIOLIB 307 select LEDS_GPIO_REGISTER 298 select LEDS_GPIO_REGISTER 308 select BCM47XX_NVRAM 299 select BCM47XX_NVRAM 309 select BCM47XX_SPROM 300 select BCM47XX_SPROM 310 select BCM47XX_SSB if !BCM47XX_BCMA 301 select BCM47XX_SSB if !BCM47XX_BCMA 311 help 302 help 312 Support for BCM47XX based boards 303 Support for BCM47XX based boards 313 304 314 config BCM63XX 305 config BCM63XX 315 bool "Broadcom BCM63XX based boards" 306 bool "Broadcom BCM63XX based boards" 316 select BOOT_RAW 307 select BOOT_RAW 317 select CEVT_R4K 308 select CEVT_R4K 318 select CSRC_R4K 309 select CSRC_R4K 319 select SYNC_R4K 310 select SYNC_R4K 320 select DMA_NONCOHERENT 311 select DMA_NONCOHERENT 321 select IRQ_MIPS_CPU 312 select IRQ_MIPS_CPU 322 select SYS_SUPPORTS_32BIT_KERNEL 313 select SYS_SUPPORTS_32BIT_KERNEL 323 select SYS_SUPPORTS_BIG_ENDIAN 314 select SYS_SUPPORTS_BIG_ENDIAN 324 select SYS_HAS_EARLY_PRINTK 315 select SYS_HAS_EARLY_PRINTK 325 select SYS_HAS_CPU_BMIPS32_3300 316 select SYS_HAS_CPU_BMIPS32_3300 326 select SYS_HAS_CPU_BMIPS4350 317 select SYS_HAS_CPU_BMIPS4350 327 select SYS_HAS_CPU_BMIPS4380 318 select SYS_HAS_CPU_BMIPS4380 328 select SWAP_IO_SPACE 319 select SWAP_IO_SPACE 329 select GPIOLIB 320 select GPIOLIB 330 select MIPS_L1_CACHE_SHIFT_4 321 select MIPS_L1_CACHE_SHIFT_4 331 select HAVE_LEGACY_CLK 322 select HAVE_LEGACY_CLK 332 help 323 help 333 Support for BCM63XX based boards 324 Support for BCM63XX based boards 334 325 335 config MIPS_COBALT 326 config MIPS_COBALT 336 bool "Cobalt Server" 327 bool "Cobalt Server" 337 select CEVT_R4K 328 select CEVT_R4K 338 select CSRC_R4K 329 select CSRC_R4K 339 select CEVT_GT641XX 330 select CEVT_GT641XX 340 select DMA_NONCOHERENT 331 select DMA_NONCOHERENT 341 select FORCE_PCI 332 select FORCE_PCI 342 select I8253 333 select I8253 343 select I8259 334 select I8259 344 select IRQ_MIPS_CPU 335 select IRQ_MIPS_CPU 345 select IRQ_GT641XX 336 select IRQ_GT641XX 346 select PCI_GT64XXX_PCI0 337 select PCI_GT64XXX_PCI0 347 select SYS_HAS_CPU_NEVADA 338 select SYS_HAS_CPU_NEVADA 348 select SYS_HAS_EARLY_PRINTK 339 select SYS_HAS_EARLY_PRINTK 349 select SYS_SUPPORTS_32BIT_KERNEL 340 select SYS_SUPPORTS_32BIT_KERNEL 350 select SYS_SUPPORTS_64BIT_KERNEL 341 select SYS_SUPPORTS_64BIT_KERNEL 351 select SYS_SUPPORTS_LITTLE_ENDIAN 342 select SYS_SUPPORTS_LITTLE_ENDIAN 352 select USE_GENERIC_EARLY_PRINTK_8250 343 select USE_GENERIC_EARLY_PRINTK_8250 353 344 354 config MACH_DECSTATION 345 config MACH_DECSTATION 355 bool "DECstations" 346 bool "DECstations" 356 select BOOT_ELF32 347 select BOOT_ELF32 357 select CEVT_DS1287 348 select CEVT_DS1287 358 select CEVT_R4K if CPU_R4X00 349 select CEVT_R4K if CPU_R4X00 359 select CSRC_IOASIC 350 select CSRC_IOASIC 360 select CSRC_R4K if CPU_R4X00 351 select CSRC_R4K if CPU_R4X00 361 select CPU_DADDI_WORKAROUNDS if 64BIT 352 select CPU_DADDI_WORKAROUNDS if 64BIT 362 select CPU_R4000_WORKAROUNDS if 64BIT 353 select CPU_R4000_WORKAROUNDS if 64BIT 363 select CPU_R4400_WORKAROUNDS if 64BIT 354 select CPU_R4400_WORKAROUNDS if 64BIT 364 select DMA_NONCOHERENT 355 select DMA_NONCOHERENT 365 select NO_IOPORT_MAP 356 select NO_IOPORT_MAP 366 select IRQ_MIPS_CPU 357 select IRQ_MIPS_CPU 367 select SYS_HAS_CPU_R3000 358 select SYS_HAS_CPU_R3000 368 select SYS_HAS_CPU_R4X00 359 select SYS_HAS_CPU_R4X00 369 select SYS_SUPPORTS_32BIT_KERNEL 360 select SYS_SUPPORTS_32BIT_KERNEL 370 select SYS_SUPPORTS_64BIT_KERNEL 361 select SYS_SUPPORTS_64BIT_KERNEL 371 select SYS_SUPPORTS_LITTLE_ENDIAN 362 select SYS_SUPPORTS_LITTLE_ENDIAN 372 select SYS_SUPPORTS_128HZ 363 select SYS_SUPPORTS_128HZ 373 select SYS_SUPPORTS_256HZ 364 select SYS_SUPPORTS_256HZ 374 select SYS_SUPPORTS_1024HZ 365 select SYS_SUPPORTS_1024HZ 375 select MIPS_L1_CACHE_SHIFT_4 366 select MIPS_L1_CACHE_SHIFT_4 376 help 367 help 377 This enables support for DEC's MIPS 368 This enables support for DEC's MIPS based workstations. For details 378 see the Linux/MIPS FAQ on <http://ww 369 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 379 DECstation porting pages on <http:// 370 DECstation porting pages on <http://decstation.unix-ag.org/>. 380 371 381 If you have one of the following DEC 372 If you have one of the following DECstation Models you definitely 382 want to choose R4xx0 for the CPU Typ 373 want to choose R4xx0 for the CPU Type: 383 374 384 DECstation 5000/50 375 DECstation 5000/50 385 DECstation 5000/150 376 DECstation 5000/150 386 DECstation 5000/260 377 DECstation 5000/260 387 DECsystem 5900/260 378 DECsystem 5900/260 388 379 389 otherwise choose R3000. 380 otherwise choose R3000. 390 381 391 config MACH_JAZZ 382 config MACH_JAZZ 392 bool "Jazz family of machines" 383 bool "Jazz family of machines" 393 select ARC_MEMORY 384 select ARC_MEMORY 394 select ARC_PROMLIB 385 select ARC_PROMLIB 395 select ARCH_MIGHT_HAVE_PC_PARPORT 386 select ARCH_MIGHT_HAVE_PC_PARPORT 396 select ARCH_MIGHT_HAVE_PC_SERIO 387 select ARCH_MIGHT_HAVE_PC_SERIO >> 388 select DMA_OPS 397 select FW_ARC 389 select FW_ARC 398 select FW_ARC32 390 select FW_ARC32 399 select ARCH_MAY_HAVE_PC_FDC 391 select ARCH_MAY_HAVE_PC_FDC 400 select CEVT_R4K 392 select CEVT_R4K 401 select CSRC_R4K 393 select CSRC_R4K 402 select DEFAULT_SGI_PARTITION if CPU_BI 394 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 403 select GENERIC_ISA_DMA 395 select GENERIC_ISA_DMA 404 select HAVE_PCSPKR_PLATFORM 396 select HAVE_PCSPKR_PLATFORM 405 select IRQ_MIPS_CPU 397 select IRQ_MIPS_CPU 406 select I8253 398 select I8253 407 select I8259 399 select I8259 408 select ISA 400 select ISA 409 select SYS_HAS_CPU_R4X00 401 select SYS_HAS_CPU_R4X00 410 select SYS_SUPPORTS_32BIT_KERNEL 402 select SYS_SUPPORTS_32BIT_KERNEL 411 select SYS_SUPPORTS_64BIT_KERNEL 403 select SYS_SUPPORTS_64BIT_KERNEL 412 select SYS_SUPPORTS_100HZ 404 select SYS_SUPPORTS_100HZ 413 select SYS_SUPPORTS_LITTLE_ENDIAN 405 select SYS_SUPPORTS_LITTLE_ENDIAN 414 help 406 help 415 This a family of machines based on t 407 This a family of machines based on the MIPS R4030 chipset which was 416 used by several vendors to build RIS 408 used by several vendors to build RISC/os and Windows NT workstations. 417 Members include the Acer PICA, MIPS 409 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 418 Olivetti M700-10 workstations. 410 Olivetti M700-10 workstations. 419 411 420 config MACH_INGENIC_SOC 412 config MACH_INGENIC_SOC 421 bool "Ingenic SoC based machines" 413 bool "Ingenic SoC based machines" 422 select MIPS_GENERIC 414 select MIPS_GENERIC 423 select MACH_INGENIC 415 select MACH_INGENIC 424 select MACH_GENERIC_CORE << 425 select SYS_SUPPORTS_ZBOOT_UART16550 416 select SYS_SUPPORTS_ZBOOT_UART16550 426 select CPU_SUPPORTS_CPUFREQ 417 select CPU_SUPPORTS_CPUFREQ 427 select MIPS_EXTERNAL_TIMER 418 select MIPS_EXTERNAL_TIMER 428 419 429 config LANTIQ 420 config LANTIQ 430 bool "Lantiq based platforms" 421 bool "Lantiq based platforms" 431 select DMA_NONCOHERENT 422 select DMA_NONCOHERENT 432 select IRQ_MIPS_CPU 423 select IRQ_MIPS_CPU 433 select CEVT_R4K 424 select CEVT_R4K 434 select CSRC_R4K 425 select CSRC_R4K 435 select NO_EXCEPT_FILL 426 select NO_EXCEPT_FILL 436 select SYS_HAS_CPU_MIPS32_R1 427 select SYS_HAS_CPU_MIPS32_R1 437 select SYS_HAS_CPU_MIPS32_R2 428 select SYS_HAS_CPU_MIPS32_R2 438 select SYS_SUPPORTS_BIG_ENDIAN 429 select SYS_SUPPORTS_BIG_ENDIAN 439 select SYS_SUPPORTS_32BIT_KERNEL 430 select SYS_SUPPORTS_32BIT_KERNEL 440 select SYS_SUPPORTS_MIPS16 431 select SYS_SUPPORTS_MIPS16 441 select SYS_SUPPORTS_MULTITHREADING 432 select SYS_SUPPORTS_MULTITHREADING 442 select SYS_SUPPORTS_VPE_LOADER 433 select SYS_SUPPORTS_VPE_LOADER 443 select SYS_HAS_EARLY_PRINTK 434 select SYS_HAS_EARLY_PRINTK 444 select GPIOLIB 435 select GPIOLIB 445 select SWAP_IO_SPACE 436 select SWAP_IO_SPACE 446 select BOOT_RAW 437 select BOOT_RAW 447 select HAVE_LEGACY_CLK 438 select HAVE_LEGACY_CLK 448 select USE_OF 439 select USE_OF 449 select PINCTRL 440 select PINCTRL 450 select PINCTRL_LANTIQ 441 select PINCTRL_LANTIQ 451 select ARCH_HAS_RESET_CONTROLLER 442 select ARCH_HAS_RESET_CONTROLLER 452 select RESET_CONTROLLER 443 select RESET_CONTROLLER 453 444 454 config MACH_LOONGSON32 445 config MACH_LOONGSON32 455 bool "Loongson 32-bit family of machin 446 bool "Loongson 32-bit family of machines" 456 select SYS_SUPPORTS_ZBOOT 447 select SYS_SUPPORTS_ZBOOT 457 help 448 help 458 This enables support for the Loongso 449 This enables support for the Loongson-1 family of machines. 459 450 460 Loongson-1 is a family of 32-bit MIP 451 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 461 the Institute of Computing Technolog 452 the Institute of Computing Technology (ICT), Chinese Academy of 462 Sciences (CAS). 453 Sciences (CAS). 463 454 464 config MACH_LOONGSON2EF 455 config MACH_LOONGSON2EF 465 bool "Loongson-2E/F family of machines 456 bool "Loongson-2E/F family of machines" 466 select SYS_SUPPORTS_ZBOOT 457 select SYS_SUPPORTS_ZBOOT 467 help 458 help 468 This enables the support of early Lo 459 This enables the support of early Loongson-2E/F family of machines. 469 460 470 config MACH_LOONGSON64 461 config MACH_LOONGSON64 471 bool "Loongson 64-bit family of machin 462 bool "Loongson 64-bit family of machines" 472 select ARCH_DMA_DEFAULT_COHERENT 463 select ARCH_DMA_DEFAULT_COHERENT 473 select ARCH_SPARSEMEM_ENABLE 464 select ARCH_SPARSEMEM_ENABLE 474 select ARCH_MIGHT_HAVE_PC_PARPORT 465 select ARCH_MIGHT_HAVE_PC_PARPORT 475 select ARCH_MIGHT_HAVE_PC_SERIO 466 select ARCH_MIGHT_HAVE_PC_SERIO 476 select GENERIC_ISA_DMA_SUPPORT_BROKEN 467 select GENERIC_ISA_DMA_SUPPORT_BROKEN 477 select BOOT_ELF32 468 select BOOT_ELF32 478 select BOARD_SCACHE 469 select BOARD_SCACHE 479 select CSRC_R4K 470 select CSRC_R4K 480 select CEVT_R4K 471 select CEVT_R4K 481 select SYNC_R4K << 482 select FORCE_PCI 472 select FORCE_PCI 483 select ISA 473 select ISA 484 select I8259 474 select I8259 485 select IRQ_MIPS_CPU 475 select IRQ_MIPS_CPU 486 select NO_EXCEPT_FILL 476 select NO_EXCEPT_FILL 487 select NR_CPUS_DEFAULT_64 477 select NR_CPUS_DEFAULT_64 488 select USE_GENERIC_EARLY_PRINTK_8250 478 select USE_GENERIC_EARLY_PRINTK_8250 489 select PCI_DRIVERS_GENERIC 479 select PCI_DRIVERS_GENERIC 490 select SYS_HAS_CPU_LOONGSON64 480 select SYS_HAS_CPU_LOONGSON64 491 select SYS_HAS_EARLY_PRINTK 481 select SYS_HAS_EARLY_PRINTK 492 select SYS_SUPPORTS_SMP 482 select SYS_SUPPORTS_SMP 493 select SYS_SUPPORTS_HOTPLUG_CPU 483 select SYS_SUPPORTS_HOTPLUG_CPU 494 select SYS_SUPPORTS_NUMA 484 select SYS_SUPPORTS_NUMA 495 select SYS_SUPPORTS_64BIT_KERNEL 485 select SYS_SUPPORTS_64BIT_KERNEL 496 select SYS_SUPPORTS_HIGHMEM 486 select SYS_SUPPORTS_HIGHMEM 497 select SYS_SUPPORTS_LITTLE_ENDIAN 487 select SYS_SUPPORTS_LITTLE_ENDIAN 498 select SYS_SUPPORTS_ZBOOT 488 select SYS_SUPPORTS_ZBOOT 499 select SYS_SUPPORTS_RELOCATABLE 489 select SYS_SUPPORTS_RELOCATABLE 500 select ZONE_DMA32 490 select ZONE_DMA32 501 select COMMON_CLK 491 select COMMON_CLK 502 select USE_OF 492 select USE_OF 503 select BUILTIN_DTB 493 select BUILTIN_DTB 504 select PCI_HOST_GENERIC 494 select PCI_HOST_GENERIC >> 495 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA 505 help 496 help 506 This enables the support of Loongson 497 This enables the support of Loongson-2/3 family of machines. 507 498 508 Loongson-2 and Loongson-3 are 64-bit 499 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 509 GS264/GS464/GS464E/GS464V microarchi 500 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 510 and Loongson-2F which will be remove 501 and Loongson-2F which will be removed), developed by the Institute 511 of Computing Technology (ICT), Chine 502 of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 512 503 513 config MIPS_MALTA 504 config MIPS_MALTA 514 bool "MIPS Malta board" 505 bool "MIPS Malta board" 515 select ARCH_MAY_HAVE_PC_FDC 506 select ARCH_MAY_HAVE_PC_FDC 516 select ARCH_MIGHT_HAVE_PC_PARPORT 507 select ARCH_MIGHT_HAVE_PC_PARPORT 517 select ARCH_MIGHT_HAVE_PC_SERIO 508 select ARCH_MIGHT_HAVE_PC_SERIO 518 select BOOT_ELF32 509 select BOOT_ELF32 519 select BOOT_RAW 510 select BOOT_RAW 520 select BUILTIN_DTB 511 select BUILTIN_DTB 521 select CEVT_R4K 512 select CEVT_R4K 522 select CLKSRC_MIPS_GIC 513 select CLKSRC_MIPS_GIC 523 select COMMON_CLK 514 select COMMON_CLK 524 select CSRC_R4K 515 select CSRC_R4K 525 select DMA_NONCOHERENT 516 select DMA_NONCOHERENT 526 select GENERIC_ISA_DMA 517 select GENERIC_ISA_DMA 527 select HAVE_PCSPKR_PLATFORM 518 select HAVE_PCSPKR_PLATFORM 528 select HAVE_PCI 519 select HAVE_PCI 529 select I8253 520 select I8253 530 select I8259 521 select I8259 531 select IRQ_MIPS_CPU 522 select IRQ_MIPS_CPU 532 select MIPS_BONITO64 523 select MIPS_BONITO64 533 select MIPS_CPU_SCACHE 524 select MIPS_CPU_SCACHE 534 select MIPS_GIC 525 select MIPS_GIC 535 select MIPS_L1_CACHE_SHIFT_6 526 select MIPS_L1_CACHE_SHIFT_6 536 select MIPS_MSC 527 select MIPS_MSC 537 select PCI_GT64XXX_PCI0 528 select PCI_GT64XXX_PCI0 538 select SMP_UP if SMP 529 select SMP_UP if SMP 539 select SWAP_IO_SPACE 530 select SWAP_IO_SPACE 540 select SYS_HAS_CPU_MIPS32_R1 531 select SYS_HAS_CPU_MIPS32_R1 541 select SYS_HAS_CPU_MIPS32_R2 532 select SYS_HAS_CPU_MIPS32_R2 542 select SYS_HAS_CPU_MIPS32_R3_5 533 select SYS_HAS_CPU_MIPS32_R3_5 543 select SYS_HAS_CPU_MIPS32_R5 534 select SYS_HAS_CPU_MIPS32_R5 544 select SYS_HAS_CPU_MIPS32_R6 535 select SYS_HAS_CPU_MIPS32_R6 545 select SYS_HAS_CPU_MIPS64_R1 536 select SYS_HAS_CPU_MIPS64_R1 546 select SYS_HAS_CPU_MIPS64_R2 537 select SYS_HAS_CPU_MIPS64_R2 547 select SYS_HAS_CPU_MIPS64_R6 538 select SYS_HAS_CPU_MIPS64_R6 548 select SYS_HAS_CPU_NEVADA 539 select SYS_HAS_CPU_NEVADA 549 select SYS_HAS_CPU_RM7000 540 select SYS_HAS_CPU_RM7000 550 select SYS_SUPPORTS_32BIT_KERNEL 541 select SYS_SUPPORTS_32BIT_KERNEL 551 select SYS_SUPPORTS_64BIT_KERNEL 542 select SYS_SUPPORTS_64BIT_KERNEL 552 select SYS_SUPPORTS_BIG_ENDIAN 543 select SYS_SUPPORTS_BIG_ENDIAN 553 select SYS_SUPPORTS_HIGHMEM 544 select SYS_SUPPORTS_HIGHMEM 554 select SYS_SUPPORTS_LITTLE_ENDIAN 545 select SYS_SUPPORTS_LITTLE_ENDIAN 555 select SYS_SUPPORTS_MICROMIPS 546 select SYS_SUPPORTS_MICROMIPS 556 select SYS_SUPPORTS_MIPS16 547 select SYS_SUPPORTS_MIPS16 557 select SYS_SUPPORTS_MIPS_CPS 548 select SYS_SUPPORTS_MIPS_CPS 558 select SYS_SUPPORTS_MULTITHREADING 549 select SYS_SUPPORTS_MULTITHREADING 559 select SYS_SUPPORTS_RELOCATABLE 550 select SYS_SUPPORTS_RELOCATABLE 560 select SYS_SUPPORTS_SMARTMIPS 551 select SYS_SUPPORTS_SMARTMIPS 561 select SYS_SUPPORTS_VPE_LOADER 552 select SYS_SUPPORTS_VPE_LOADER 562 select SYS_SUPPORTS_ZBOOT 553 select SYS_SUPPORTS_ZBOOT 563 select USE_OF 554 select USE_OF 564 select WAR_ICACHE_REFILLS 555 select WAR_ICACHE_REFILLS 565 select ZONE_DMA32 if 64BIT 556 select ZONE_DMA32 if 64BIT 566 help 557 help 567 This enables support for the MIPS Te 558 This enables support for the MIPS Technologies Malta evaluation 568 board. 559 board. 569 560 570 config MACH_PIC32 561 config MACH_PIC32 571 bool "Microchip PIC32 Family" 562 bool "Microchip PIC32 Family" 572 help 563 help 573 This enables support for the Microch 564 This enables support for the Microchip PIC32 family of platforms. 574 565 575 Microchip PIC32 is a family of gener 566 Microchip PIC32 is a family of general-purpose 32 bit MIPS core 576 microcontrollers. 567 microcontrollers. 577 568 578 config EYEQ << 579 bool "Mobileye EyeQ SoC" << 580 select MACH_GENERIC_CORE << 581 select ARM_AMBA << 582 select PHYSICAL_START_BOOL << 583 select ARCH_SPARSEMEM_DEFAULT if 64BIT << 584 select BOOT_RAW << 585 select BUILTIN_DTB << 586 select CEVT_R4K << 587 select CLKSRC_MIPS_GIC << 588 select COMMON_CLK << 589 select CPU_MIPSR2_IRQ_EI << 590 select CPU_MIPSR2_IRQ_VI << 591 select CSRC_R4K << 592 select DMA_NONCOHERENT << 593 select HAVE_PCI << 594 select IRQ_MIPS_CPU << 595 select MIPS_AUTO_PFN_OFFSET << 596 select MIPS_CPU_SCACHE << 597 select MIPS_GIC << 598 select MIPS_L1_CACHE_SHIFT_7 << 599 select PCI_DRIVERS_GENERIC << 600 select SMP_UP if SMP << 601 select SWAP_IO_SPACE << 602 select SYS_HAS_CPU_MIPS64_R6 << 603 select SYS_SUPPORTS_64BIT_KERNEL << 604 select SYS_SUPPORTS_HIGHMEM << 605 select SYS_SUPPORTS_LITTLE_ENDIAN << 606 select SYS_SUPPORTS_MIPS_CPS << 607 select SYS_SUPPORTS_RELOCATABLE << 608 select SYS_SUPPORTS_ZBOOT << 609 select UHI_BOOT << 610 select USB_EHCI_BIG_ENDIAN_DESC if CPU << 611 select USB_EHCI_BIG_ENDIAN_MMIO if CPU << 612 select USB_OHCI_BIG_ENDIAN_DESC if CPU << 613 select USB_OHCI_BIG_ENDIAN_MMIO if CPU << 614 select USB_UHCI_BIG_ENDIAN_DESC if CPU << 615 select USB_UHCI_BIG_ENDIAN_MMIO if CPU << 616 select USE_OF << 617 help << 618 Select this to build a kernel suppor << 619 << 620 bool << 621 << 622 config MACH_NINTENDO64 569 config MACH_NINTENDO64 623 bool "Nintendo 64 console" 570 bool "Nintendo 64 console" 624 select CEVT_R4K 571 select CEVT_R4K 625 select CSRC_R4K 572 select CSRC_R4K 626 select SYS_HAS_CPU_R4300 573 select SYS_HAS_CPU_R4300 627 select SYS_SUPPORTS_BIG_ENDIAN 574 select SYS_SUPPORTS_BIG_ENDIAN 628 select SYS_SUPPORTS_ZBOOT 575 select SYS_SUPPORTS_ZBOOT 629 select SYS_SUPPORTS_32BIT_KERNEL 576 select SYS_SUPPORTS_32BIT_KERNEL 630 select SYS_SUPPORTS_64BIT_KERNEL 577 select SYS_SUPPORTS_64BIT_KERNEL 631 select DMA_NONCOHERENT 578 select DMA_NONCOHERENT 632 select IRQ_MIPS_CPU 579 select IRQ_MIPS_CPU 633 580 634 config RALINK 581 config RALINK 635 bool "Ralink based machines" 582 bool "Ralink based machines" 636 select CEVT_R4K 583 select CEVT_R4K 637 select COMMON_CLK 584 select COMMON_CLK 638 select CSRC_R4K 585 select CSRC_R4K 639 select BOOT_RAW 586 select BOOT_RAW 640 select DMA_NONCOHERENT 587 select DMA_NONCOHERENT 641 select IRQ_MIPS_CPU 588 select IRQ_MIPS_CPU 642 select USE_OF 589 select USE_OF 643 select SYS_HAS_CPU_MIPS32_R2 590 select SYS_HAS_CPU_MIPS32_R2 644 select SYS_SUPPORTS_32BIT_KERNEL 591 select SYS_SUPPORTS_32BIT_KERNEL 645 select SYS_SUPPORTS_LITTLE_ENDIAN 592 select SYS_SUPPORTS_LITTLE_ENDIAN 646 select SYS_SUPPORTS_MIPS16 593 select SYS_SUPPORTS_MIPS16 647 select SYS_SUPPORTS_ZBOOT 594 select SYS_SUPPORTS_ZBOOT 648 select SYS_HAS_EARLY_PRINTK 595 select SYS_HAS_EARLY_PRINTK 649 select ARCH_HAS_RESET_CONTROLLER 596 select ARCH_HAS_RESET_CONTROLLER 650 select RESET_CONTROLLER 597 select RESET_CONTROLLER 651 598 652 config MACH_REALTEK_RTL 599 config MACH_REALTEK_RTL 653 bool "Realtek RTL838x/RTL839x based ma 600 bool "Realtek RTL838x/RTL839x based machines" 654 select MIPS_GENERIC 601 select MIPS_GENERIC 655 select MACH_GENERIC_CORE << 656 select DMA_NONCOHERENT 602 select DMA_NONCOHERENT 657 select IRQ_MIPS_CPU 603 select IRQ_MIPS_CPU 658 select CSRC_R4K 604 select CSRC_R4K 659 select CEVT_R4K 605 select CEVT_R4K 660 select SYS_HAS_CPU_MIPS32_R1 606 select SYS_HAS_CPU_MIPS32_R1 661 select SYS_HAS_CPU_MIPS32_R2 607 select SYS_HAS_CPU_MIPS32_R2 662 select SYS_SUPPORTS_BIG_ENDIAN 608 select SYS_SUPPORTS_BIG_ENDIAN 663 select SYS_SUPPORTS_32BIT_KERNEL 609 select SYS_SUPPORTS_32BIT_KERNEL 664 select SYS_SUPPORTS_MIPS16 610 select SYS_SUPPORTS_MIPS16 665 select SYS_SUPPORTS_MULTITHREADING 611 select SYS_SUPPORTS_MULTITHREADING 666 select SYS_SUPPORTS_VPE_LOADER 612 select SYS_SUPPORTS_VPE_LOADER 667 select BOOT_RAW 613 select BOOT_RAW 668 select PINCTRL 614 select PINCTRL 669 select USE_OF 615 select USE_OF 670 select REALTEK_OTTO_TIMER << 671 616 672 config SGI_IP22 617 config SGI_IP22 673 bool "SGI IP22 (Indy/Indigo2)" 618 bool "SGI IP22 (Indy/Indigo2)" 674 select ARC_MEMORY 619 select ARC_MEMORY 675 select ARC_PROMLIB 620 select ARC_PROMLIB 676 select FW_ARC 621 select FW_ARC 677 select FW_ARC32 622 select FW_ARC32 678 select ARCH_MIGHT_HAVE_PC_SERIO 623 select ARCH_MIGHT_HAVE_PC_SERIO 679 select BOOT_ELF32 624 select BOOT_ELF32 680 select CEVT_R4K 625 select CEVT_R4K 681 select CSRC_R4K 626 select CSRC_R4K 682 select DEFAULT_SGI_PARTITION 627 select DEFAULT_SGI_PARTITION 683 select DMA_NONCOHERENT 628 select DMA_NONCOHERENT 684 select HAVE_EISA 629 select HAVE_EISA 685 select I8253 630 select I8253 686 select I8259 631 select I8259 687 select IP22_CPU_SCACHE 632 select IP22_CPU_SCACHE 688 select IRQ_MIPS_CPU 633 select IRQ_MIPS_CPU 689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 634 select GENERIC_ISA_DMA_SUPPORT_BROKEN 690 select SGI_HAS_I8042 635 select SGI_HAS_I8042 691 select SGI_HAS_INDYDOG 636 select SGI_HAS_INDYDOG 692 select SGI_HAS_HAL2 637 select SGI_HAS_HAL2 693 select SGI_HAS_SEEQ 638 select SGI_HAS_SEEQ 694 select SGI_HAS_WD93 639 select SGI_HAS_WD93 695 select SGI_HAS_ZILOG 640 select SGI_HAS_ZILOG 696 select SWAP_IO_SPACE 641 select SWAP_IO_SPACE 697 select SYS_HAS_CPU_R4X00 642 select SYS_HAS_CPU_R4X00 698 select SYS_HAS_CPU_R5000 643 select SYS_HAS_CPU_R5000 699 select SYS_HAS_EARLY_PRINTK 644 select SYS_HAS_EARLY_PRINTK 700 select SYS_SUPPORTS_32BIT_KERNEL 645 select SYS_SUPPORTS_32BIT_KERNEL 701 select SYS_SUPPORTS_64BIT_KERNEL 646 select SYS_SUPPORTS_64BIT_KERNEL 702 select SYS_SUPPORTS_BIG_ENDIAN 647 select SYS_SUPPORTS_BIG_ENDIAN 703 select WAR_R4600_V1_INDEX_ICACHEOP 648 select WAR_R4600_V1_INDEX_ICACHEOP 704 select WAR_R4600_V1_HIT_CACHEOP 649 select WAR_R4600_V1_HIT_CACHEOP 705 select WAR_R4600_V2_HIT_CACHEOP 650 select WAR_R4600_V2_HIT_CACHEOP 706 select MIPS_L1_CACHE_SHIFT_7 651 select MIPS_L1_CACHE_SHIFT_7 707 help 652 help 708 This are the SGI Indy, Challenge S a 653 This are the SGI Indy, Challenge S and Indigo2, as well as certain 709 OEM variants like the Tandem CMN B00 654 OEM variants like the Tandem CMN B006S. To compile a Linux kernel 710 that runs on these, say Y here. 655 that runs on these, say Y here. 711 656 712 config SGI_IP27 657 config SGI_IP27 713 bool "SGI IP27 (Origin200/2000)" 658 bool "SGI IP27 (Origin200/2000)" 714 select ARCH_HAS_PHYS_TO_DMA 659 select ARCH_HAS_PHYS_TO_DMA 715 select ARCH_SPARSEMEM_ENABLE 660 select ARCH_SPARSEMEM_ENABLE 716 select FW_ARC 661 select FW_ARC 717 select FW_ARC64 662 select FW_ARC64 718 select ARC_CMDLINE_ONLY 663 select ARC_CMDLINE_ONLY 719 select BOOT_ELF64 664 select BOOT_ELF64 720 select DEFAULT_SGI_PARTITION 665 select DEFAULT_SGI_PARTITION 721 select FORCE_PCI 666 select FORCE_PCI 722 select SYS_HAS_EARLY_PRINTK 667 select SYS_HAS_EARLY_PRINTK 723 select HAVE_PCI 668 select HAVE_PCI 724 select IRQ_MIPS_CPU 669 select IRQ_MIPS_CPU 725 select IRQ_DOMAIN_HIERARCHY 670 select IRQ_DOMAIN_HIERARCHY 726 select NR_CPUS_DEFAULT_64 671 select NR_CPUS_DEFAULT_64 727 select PCI_DRIVERS_GENERIC 672 select PCI_DRIVERS_GENERIC 728 select PCI_XTALK_BRIDGE 673 select PCI_XTALK_BRIDGE 729 select SYS_HAS_CPU_R10000 674 select SYS_HAS_CPU_R10000 730 select SYS_SUPPORTS_64BIT_KERNEL 675 select SYS_SUPPORTS_64BIT_KERNEL 731 select SYS_SUPPORTS_BIG_ENDIAN 676 select SYS_SUPPORTS_BIG_ENDIAN 732 select SYS_SUPPORTS_NUMA 677 select SYS_SUPPORTS_NUMA 733 select SYS_SUPPORTS_SMP 678 select SYS_SUPPORTS_SMP 734 select WAR_R10000_LLSC 679 select WAR_R10000_LLSC 735 select MIPS_L1_CACHE_SHIFT_7 680 select MIPS_L1_CACHE_SHIFT_7 736 select NUMA 681 select NUMA >> 682 select HAVE_ARCH_NODEDATA_EXTENSION 737 help 683 help 738 This are the SGI Origin 200, Origin 684 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 739 workstations. To compile a Linux ke 685 workstations. To compile a Linux kernel that runs on these, say Y 740 here. 686 here. 741 687 742 config SGI_IP28 688 config SGI_IP28 743 bool "SGI IP28 (Indigo2 R10k)" 689 bool "SGI IP28 (Indigo2 R10k)" 744 select ARC_MEMORY 690 select ARC_MEMORY 745 select ARC_PROMLIB 691 select ARC_PROMLIB 746 select FW_ARC 692 select FW_ARC 747 select FW_ARC64 693 select FW_ARC64 748 select ARCH_MIGHT_HAVE_PC_SERIO 694 select ARCH_MIGHT_HAVE_PC_SERIO 749 select BOOT_ELF64 695 select BOOT_ELF64 750 select CEVT_R4K 696 select CEVT_R4K 751 select CSRC_R4K 697 select CSRC_R4K 752 select DEFAULT_SGI_PARTITION 698 select DEFAULT_SGI_PARTITION 753 select DMA_NONCOHERENT 699 select DMA_NONCOHERENT 754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 700 select GENERIC_ISA_DMA_SUPPORT_BROKEN 755 select IRQ_MIPS_CPU 701 select IRQ_MIPS_CPU 756 select HAVE_EISA 702 select HAVE_EISA 757 select I8253 703 select I8253 758 select I8259 704 select I8259 759 select SGI_HAS_I8042 705 select SGI_HAS_I8042 760 select SGI_HAS_INDYDOG 706 select SGI_HAS_INDYDOG 761 select SGI_HAS_HAL2 707 select SGI_HAS_HAL2 762 select SGI_HAS_SEEQ 708 select SGI_HAS_SEEQ 763 select SGI_HAS_WD93 709 select SGI_HAS_WD93 764 select SGI_HAS_ZILOG 710 select SGI_HAS_ZILOG 765 select SWAP_IO_SPACE 711 select SWAP_IO_SPACE 766 select SYS_HAS_CPU_R10000 712 select SYS_HAS_CPU_R10000 767 select SYS_HAS_EARLY_PRINTK 713 select SYS_HAS_EARLY_PRINTK 768 select SYS_SUPPORTS_64BIT_KERNEL 714 select SYS_SUPPORTS_64BIT_KERNEL 769 select SYS_SUPPORTS_BIG_ENDIAN 715 select SYS_SUPPORTS_BIG_ENDIAN 770 select WAR_R10000_LLSC 716 select WAR_R10000_LLSC 771 select MIPS_L1_CACHE_SHIFT_7 717 select MIPS_L1_CACHE_SHIFT_7 772 help 718 help 773 This is the SGI Indigo2 with R10000 719 This is the SGI Indigo2 with R10000 processor. To compile a Linux 774 kernel that runs on these, say Y her 720 kernel that runs on these, say Y here. 775 721 776 config SGI_IP30 722 config SGI_IP30 777 bool "SGI IP30 (Octane/Octane2)" 723 bool "SGI IP30 (Octane/Octane2)" 778 select ARCH_HAS_PHYS_TO_DMA 724 select ARCH_HAS_PHYS_TO_DMA 779 select FW_ARC 725 select FW_ARC 780 select FW_ARC64 726 select FW_ARC64 781 select BOOT_ELF64 727 select BOOT_ELF64 782 select CEVT_R4K 728 select CEVT_R4K 783 select CSRC_R4K 729 select CSRC_R4K 784 select FORCE_PCI 730 select FORCE_PCI 785 select SYNC_R4K if SMP 731 select SYNC_R4K if SMP 786 select ZONE_DMA32 732 select ZONE_DMA32 787 select HAVE_PCI 733 select HAVE_PCI 788 select IRQ_MIPS_CPU 734 select IRQ_MIPS_CPU 789 select IRQ_DOMAIN_HIERARCHY 735 select IRQ_DOMAIN_HIERARCHY 790 select PCI_DRIVERS_GENERIC 736 select PCI_DRIVERS_GENERIC 791 select PCI_XTALK_BRIDGE 737 select PCI_XTALK_BRIDGE 792 select SYS_HAS_EARLY_PRINTK 738 select SYS_HAS_EARLY_PRINTK 793 select SYS_HAS_CPU_R10000 739 select SYS_HAS_CPU_R10000 794 select SYS_SUPPORTS_64BIT_KERNEL 740 select SYS_SUPPORTS_64BIT_KERNEL 795 select SYS_SUPPORTS_BIG_ENDIAN 741 select SYS_SUPPORTS_BIG_ENDIAN 796 select SYS_SUPPORTS_SMP 742 select SYS_SUPPORTS_SMP 797 select WAR_R10000_LLSC 743 select WAR_R10000_LLSC 798 select MIPS_L1_CACHE_SHIFT_7 744 select MIPS_L1_CACHE_SHIFT_7 799 select ARC_MEMORY 745 select ARC_MEMORY 800 help 746 help 801 These are the SGI Octane and Octane2 747 These are the SGI Octane and Octane2 graphics workstations. To 802 compile a Linux kernel that runs on 748 compile a Linux kernel that runs on these, say Y here. 803 749 804 config SGI_IP32 750 config SGI_IP32 805 bool "SGI IP32 (O2)" 751 bool "SGI IP32 (O2)" 806 select ARC_MEMORY 752 select ARC_MEMORY 807 select ARC_PROMLIB 753 select ARC_PROMLIB 808 select ARCH_HAS_PHYS_TO_DMA 754 select ARCH_HAS_PHYS_TO_DMA 809 select FW_ARC 755 select FW_ARC 810 select FW_ARC32 756 select FW_ARC32 811 select BOOT_ELF32 757 select BOOT_ELF32 812 select CEVT_R4K 758 select CEVT_R4K 813 select CSRC_R4K 759 select CSRC_R4K 814 select DMA_NONCOHERENT 760 select DMA_NONCOHERENT 815 select HAVE_PCI 761 select HAVE_PCI 816 select IRQ_MIPS_CPU 762 select IRQ_MIPS_CPU 817 select R5000_CPU_SCACHE 763 select R5000_CPU_SCACHE 818 select RM7000_CPU_SCACHE 764 select RM7000_CPU_SCACHE 819 select SYS_HAS_CPU_R5000 765 select SYS_HAS_CPU_R5000 820 select SYS_HAS_CPU_R10000 if BROKEN 766 select SYS_HAS_CPU_R10000 if BROKEN 821 select SYS_HAS_CPU_RM7000 767 select SYS_HAS_CPU_RM7000 822 select SYS_HAS_CPU_NEVADA 768 select SYS_HAS_CPU_NEVADA 823 select SYS_SUPPORTS_64BIT_KERNEL 769 select SYS_SUPPORTS_64BIT_KERNEL 824 select SYS_SUPPORTS_BIG_ENDIAN 770 select SYS_SUPPORTS_BIG_ENDIAN 825 select WAR_ICACHE_REFILLS 771 select WAR_ICACHE_REFILLS 826 help 772 help 827 If you want this kernel to run on SG 773 If you want this kernel to run on SGI O2 workstation, say Y here. 828 774 829 config SIBYTE_CRHONE 775 config SIBYTE_CRHONE 830 bool "Sibyte BCM91125C-CRhone" 776 bool "Sibyte BCM91125C-CRhone" 831 select BOOT_ELF32 777 select BOOT_ELF32 832 select SIBYTE_BCM1125 778 select SIBYTE_BCM1125 833 select SWAP_IO_SPACE 779 select SWAP_IO_SPACE 834 select SYS_HAS_CPU_SB1 780 select SYS_HAS_CPU_SB1 835 select SYS_SUPPORTS_BIG_ENDIAN 781 select SYS_SUPPORTS_BIG_ENDIAN 836 select SYS_SUPPORTS_HIGHMEM 782 select SYS_SUPPORTS_HIGHMEM 837 select SYS_SUPPORTS_LITTLE_ENDIAN 783 select SYS_SUPPORTS_LITTLE_ENDIAN 838 784 839 config SIBYTE_RHONE 785 config SIBYTE_RHONE 840 bool "Sibyte BCM91125E-Rhone" 786 bool "Sibyte BCM91125E-Rhone" 841 select BOOT_ELF32 787 select BOOT_ELF32 842 select SIBYTE_SB1250 788 select SIBYTE_SB1250 843 select SWAP_IO_SPACE 789 select SWAP_IO_SPACE 844 select SYS_HAS_CPU_SB1 790 select SYS_HAS_CPU_SB1 845 select SYS_SUPPORTS_BIG_ENDIAN 791 select SYS_SUPPORTS_BIG_ENDIAN 846 select SYS_SUPPORTS_LITTLE_ENDIAN 792 select SYS_SUPPORTS_LITTLE_ENDIAN 847 793 848 config SIBYTE_SWARM 794 config SIBYTE_SWARM 849 bool "Sibyte BCM91250A-SWARM" 795 bool "Sibyte BCM91250A-SWARM" 850 select BOOT_ELF32 796 select BOOT_ELF32 851 select HAVE_PATA_PLATFORM 797 select HAVE_PATA_PLATFORM 852 select SIBYTE_SB1250 798 select SIBYTE_SB1250 853 select SWAP_IO_SPACE 799 select SWAP_IO_SPACE 854 select SYS_HAS_CPU_SB1 800 select SYS_HAS_CPU_SB1 855 select SYS_SUPPORTS_BIG_ENDIAN 801 select SYS_SUPPORTS_BIG_ENDIAN 856 select SYS_SUPPORTS_HIGHMEM 802 select SYS_SUPPORTS_HIGHMEM 857 select SYS_SUPPORTS_LITTLE_ENDIAN 803 select SYS_SUPPORTS_LITTLE_ENDIAN 858 select ZONE_DMA32 if 64BIT 804 select ZONE_DMA32 if 64BIT 859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 805 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 860 806 861 config SIBYTE_LITTLESUR 807 config SIBYTE_LITTLESUR 862 bool "Sibyte BCM91250C2-LittleSur" 808 bool "Sibyte BCM91250C2-LittleSur" 863 select BOOT_ELF32 809 select BOOT_ELF32 864 select HAVE_PATA_PLATFORM 810 select HAVE_PATA_PLATFORM 865 select SIBYTE_SB1250 811 select SIBYTE_SB1250 866 select SWAP_IO_SPACE 812 select SWAP_IO_SPACE 867 select SYS_HAS_CPU_SB1 813 select SYS_HAS_CPU_SB1 868 select SYS_SUPPORTS_BIG_ENDIAN 814 select SYS_SUPPORTS_BIG_ENDIAN 869 select SYS_SUPPORTS_HIGHMEM 815 select SYS_SUPPORTS_HIGHMEM 870 select SYS_SUPPORTS_LITTLE_ENDIAN 816 select SYS_SUPPORTS_LITTLE_ENDIAN 871 select ZONE_DMA32 if 64BIT 817 select ZONE_DMA32 if 64BIT 872 818 873 config SIBYTE_SENTOSA 819 config SIBYTE_SENTOSA 874 bool "Sibyte BCM91250E-Sentosa" 820 bool "Sibyte BCM91250E-Sentosa" 875 select BOOT_ELF32 821 select BOOT_ELF32 876 select SIBYTE_SB1250 822 select SIBYTE_SB1250 877 select SWAP_IO_SPACE 823 select SWAP_IO_SPACE 878 select SYS_HAS_CPU_SB1 824 select SYS_HAS_CPU_SB1 879 select SYS_SUPPORTS_BIG_ENDIAN 825 select SYS_SUPPORTS_BIG_ENDIAN 880 select SYS_SUPPORTS_LITTLE_ENDIAN 826 select SYS_SUPPORTS_LITTLE_ENDIAN 881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 827 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 882 828 883 config SIBYTE_BIGSUR 829 config SIBYTE_BIGSUR 884 bool "Sibyte BCM91480B-BigSur" 830 bool "Sibyte BCM91480B-BigSur" 885 select BOOT_ELF32 831 select BOOT_ELF32 886 select NR_CPUS_DEFAULT_4 832 select NR_CPUS_DEFAULT_4 887 select SIBYTE_BCM1x80 833 select SIBYTE_BCM1x80 888 select SWAP_IO_SPACE 834 select SWAP_IO_SPACE 889 select SYS_HAS_CPU_SB1 835 select SYS_HAS_CPU_SB1 890 select SYS_SUPPORTS_BIG_ENDIAN 836 select SYS_SUPPORTS_BIG_ENDIAN 891 select SYS_SUPPORTS_HIGHMEM 837 select SYS_SUPPORTS_HIGHMEM 892 select SYS_SUPPORTS_LITTLE_ENDIAN 838 select SYS_SUPPORTS_LITTLE_ENDIAN 893 select ZONE_DMA32 if 64BIT 839 select ZONE_DMA32 if 64BIT 894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI 840 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 895 841 896 config SNI_RM 842 config SNI_RM 897 bool "SNI RM200/300/400" 843 bool "SNI RM200/300/400" 898 select ARC_MEMORY 844 select ARC_MEMORY 899 select ARC_PROMLIB 845 select ARC_PROMLIB 900 select FW_ARC if CPU_LITTLE_ENDIAN 846 select FW_ARC if CPU_LITTLE_ENDIAN 901 select FW_ARC32 if CPU_LITTLE_ENDIAN 847 select FW_ARC32 if CPU_LITTLE_ENDIAN 902 select FW_SNIPROM if CPU_BIG_ENDIAN 848 select FW_SNIPROM if CPU_BIG_ENDIAN 903 select ARCH_MAY_HAVE_PC_FDC 849 select ARCH_MAY_HAVE_PC_FDC 904 select ARCH_MIGHT_HAVE_PC_PARPORT 850 select ARCH_MIGHT_HAVE_PC_PARPORT 905 select ARCH_MIGHT_HAVE_PC_SERIO 851 select ARCH_MIGHT_HAVE_PC_SERIO 906 select BOOT_ELF32 852 select BOOT_ELF32 907 select CEVT_R4K 853 select CEVT_R4K 908 select CSRC_R4K 854 select CSRC_R4K 909 select DEFAULT_SGI_PARTITION if CPU_BI 855 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 910 select DMA_NONCOHERENT 856 select DMA_NONCOHERENT 911 select GENERIC_ISA_DMA 857 select GENERIC_ISA_DMA 912 select HAVE_EISA 858 select HAVE_EISA 913 select HAVE_PCSPKR_PLATFORM 859 select HAVE_PCSPKR_PLATFORM 914 select HAVE_PCI 860 select HAVE_PCI 915 select IRQ_MIPS_CPU 861 select IRQ_MIPS_CPU 916 select I8253 862 select I8253 917 select I8259 863 select I8259 918 select ISA 864 select ISA 919 select MIPS_L1_CACHE_SHIFT_6 865 select MIPS_L1_CACHE_SHIFT_6 920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 866 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 921 select SYS_HAS_CPU_R4X00 867 select SYS_HAS_CPU_R4X00 922 select SYS_HAS_CPU_R5000 868 select SYS_HAS_CPU_R5000 923 select SYS_HAS_CPU_R10000 869 select SYS_HAS_CPU_R10000 924 select R5000_CPU_SCACHE 870 select R5000_CPU_SCACHE 925 select SYS_HAS_EARLY_PRINTK 871 select SYS_HAS_EARLY_PRINTK 926 select SYS_SUPPORTS_32BIT_KERNEL 872 select SYS_SUPPORTS_32BIT_KERNEL 927 select SYS_SUPPORTS_64BIT_KERNEL 873 select SYS_SUPPORTS_64BIT_KERNEL 928 select SYS_SUPPORTS_BIG_ENDIAN 874 select SYS_SUPPORTS_BIG_ENDIAN 929 select SYS_SUPPORTS_HIGHMEM 875 select SYS_SUPPORTS_HIGHMEM 930 select SYS_SUPPORTS_LITTLE_ENDIAN 876 select SYS_SUPPORTS_LITTLE_ENDIAN 931 select WAR_R4600_V2_HIT_CACHEOP 877 select WAR_R4600_V2_HIT_CACHEOP 932 help 878 help 933 The SNI RM200/300/400 are MIPS-based 879 The SNI RM200/300/400 are MIPS-based machines manufactured by 934 Siemens Nixdorf Informationssysteme 880 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 935 Technology and now in turn merged wi 881 Technology and now in turn merged with Fujitsu. Say Y here to 936 support this machine type. 882 support this machine type. 937 883 938 config MACH_TX49XX 884 config MACH_TX49XX 939 bool "Toshiba TX49 series based machin 885 bool "Toshiba TX49 series based machines" 940 select WAR_TX49XX_ICACHE_INDEX_INV 886 select WAR_TX49XX_ICACHE_INDEX_INV 941 887 942 config MIKROTIK_RB532 888 config MIKROTIK_RB532 943 bool "Mikrotik RB532 boards" 889 bool "Mikrotik RB532 boards" 944 select CEVT_R4K 890 select CEVT_R4K 945 select CSRC_R4K 891 select CSRC_R4K 946 select DMA_NONCOHERENT 892 select DMA_NONCOHERENT 947 select HAVE_PCI 893 select HAVE_PCI 948 select IRQ_MIPS_CPU 894 select IRQ_MIPS_CPU 949 select SYS_HAS_CPU_MIPS32_R1 895 select SYS_HAS_CPU_MIPS32_R1 950 select SYS_SUPPORTS_32BIT_KERNEL 896 select SYS_SUPPORTS_32BIT_KERNEL 951 select SYS_SUPPORTS_LITTLE_ENDIAN 897 select SYS_SUPPORTS_LITTLE_ENDIAN 952 select SWAP_IO_SPACE 898 select SWAP_IO_SPACE 953 select BOOT_RAW 899 select BOOT_RAW 954 select GPIOLIB 900 select GPIOLIB 955 select MIPS_L1_CACHE_SHIFT_4 901 select MIPS_L1_CACHE_SHIFT_4 956 help 902 help 957 Support the Mikrotik(tm) RouterBoard 903 Support the Mikrotik(tm) RouterBoard 532 series, 958 based on the IDT RC32434 SoC. 904 based on the IDT RC32434 SoC. 959 905 960 config CAVIUM_OCTEON_SOC 906 config CAVIUM_OCTEON_SOC 961 bool "Cavium Networks Octeon SoC based 907 bool "Cavium Networks Octeon SoC based boards" 962 select CEVT_R4K 908 select CEVT_R4K 963 select ARCH_HAS_PHYS_TO_DMA 909 select ARCH_HAS_PHYS_TO_DMA 964 select HAVE_RAPIDIO 910 select HAVE_RAPIDIO 965 select PHYS_ADDR_T_64BIT 911 select PHYS_ADDR_T_64BIT 966 select SYS_SUPPORTS_64BIT_KERNEL 912 select SYS_SUPPORTS_64BIT_KERNEL 967 select SYS_SUPPORTS_BIG_ENDIAN 913 select SYS_SUPPORTS_BIG_ENDIAN 968 select EDAC_SUPPORT 914 select EDAC_SUPPORT 969 select EDAC_ATOMIC_SCRUB 915 select EDAC_ATOMIC_SCRUB 970 select SYS_SUPPORTS_LITTLE_ENDIAN 916 select SYS_SUPPORTS_LITTLE_ENDIAN 971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU 917 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 972 select SYS_HAS_EARLY_PRINTK 918 select SYS_HAS_EARLY_PRINTK 973 select SYS_HAS_CPU_CAVIUM_OCTEON 919 select SYS_HAS_CPU_CAVIUM_OCTEON 974 select HAVE_PCI 920 select HAVE_PCI 975 select HAVE_PLAT_DELAY 921 select HAVE_PLAT_DELAY 976 select HAVE_PLAT_FW_INIT_CMDLINE 922 select HAVE_PLAT_FW_INIT_CMDLINE 977 select HAVE_PLAT_MEMCPY 923 select HAVE_PLAT_MEMCPY 978 select ZONE_DMA32 924 select ZONE_DMA32 979 select GPIOLIB 925 select GPIOLIB 980 select USE_OF 926 select USE_OF 981 select ARCH_SPARSEMEM_ENABLE 927 select ARCH_SPARSEMEM_ENABLE 982 select SYS_SUPPORTS_SMP 928 select SYS_SUPPORTS_SMP 983 select NR_CPUS_DEFAULT_64 929 select NR_CPUS_DEFAULT_64 984 select MIPS_NR_CPU_NR_MAP_1024 930 select MIPS_NR_CPU_NR_MAP_1024 985 select BUILTIN_DTB 931 select BUILTIN_DTB 986 select MTD 932 select MTD 987 select MTD_COMPLEX_MAPPINGS 933 select MTD_COMPLEX_MAPPINGS 988 select SWIOTLB 934 select SWIOTLB 989 select SYS_SUPPORTS_RELOCATABLE 935 select SYS_SUPPORTS_RELOCATABLE 990 help 936 help 991 This option supports all of the Octe 937 This option supports all of the Octeon reference boards from Cavium 992 Networks. It builds a kernel that dy 938 Networks. It builds a kernel that dynamically determines the Octeon 993 CPU type and supports all known boar 939 CPU type and supports all known board reference implementations. 994 Some of the supported boards are: 940 Some of the supported boards are: 995 EBT3000 941 EBT3000 996 EBH3000 942 EBH3000 997 EBH3100 943 EBH3100 998 Thunder 944 Thunder 999 Kodama 945 Kodama 1000 Hikari 946 Hikari 1001 Say Y here for most Octeon referenc 947 Say Y here for most Octeon reference boards. 1002 948 1003 endchoice 949 endchoice 1004 950 1005 config FIT_IMAGE_FDT_EPM5 << 1006 bool "Include FDT for Mobileye EyeQ5 << 1007 depends on MACH_EYEQ5 << 1008 default n << 1009 help << 1010 Enable this to include the FDT for << 1011 from Mobileye in the FIT kernel ima << 1012 This requires u-boot on the platfor << 1013 << 1014 source "arch/mips/alchemy/Kconfig" 951 source "arch/mips/alchemy/Kconfig" 1015 source "arch/mips/ath25/Kconfig" 952 source "arch/mips/ath25/Kconfig" 1016 source "arch/mips/ath79/Kconfig" 953 source "arch/mips/ath79/Kconfig" 1017 source "arch/mips/bcm47xx/Kconfig" 954 source "arch/mips/bcm47xx/Kconfig" 1018 source "arch/mips/bcm63xx/Kconfig" 955 source "arch/mips/bcm63xx/Kconfig" 1019 source "arch/mips/bmips/Kconfig" 956 source "arch/mips/bmips/Kconfig" 1020 source "arch/mips/generic/Kconfig" 957 source "arch/mips/generic/Kconfig" 1021 source "arch/mips/ingenic/Kconfig" 958 source "arch/mips/ingenic/Kconfig" 1022 source "arch/mips/jazz/Kconfig" 959 source "arch/mips/jazz/Kconfig" 1023 source "arch/mips/lantiq/Kconfig" 960 source "arch/mips/lantiq/Kconfig" 1024 source "arch/mips/mobileye/Kconfig" << 1025 source "arch/mips/pic32/Kconfig" 961 source "arch/mips/pic32/Kconfig" 1026 source "arch/mips/ralink/Kconfig" 962 source "arch/mips/ralink/Kconfig" 1027 source "arch/mips/sgi-ip27/Kconfig" 963 source "arch/mips/sgi-ip27/Kconfig" 1028 source "arch/mips/sibyte/Kconfig" 964 source "arch/mips/sibyte/Kconfig" 1029 source "arch/mips/txx9/Kconfig" 965 source "arch/mips/txx9/Kconfig" 1030 source "arch/mips/cavium-octeon/Kconfig" 966 source "arch/mips/cavium-octeon/Kconfig" 1031 source "arch/mips/loongson2ef/Kconfig" 967 source "arch/mips/loongson2ef/Kconfig" 1032 source "arch/mips/loongson32/Kconfig" 968 source "arch/mips/loongson32/Kconfig" 1033 source "arch/mips/loongson64/Kconfig" 969 source "arch/mips/loongson64/Kconfig" 1034 970 1035 endmenu 971 endmenu 1036 972 1037 config GENERIC_HWEIGHT 973 config GENERIC_HWEIGHT 1038 bool 974 bool 1039 default y 975 default y 1040 976 1041 config GENERIC_CALIBRATE_DELAY 977 config GENERIC_CALIBRATE_DELAY 1042 bool 978 bool 1043 default y 979 default y 1044 980 1045 config SCHED_OMIT_FRAME_POINTER 981 config SCHED_OMIT_FRAME_POINTER 1046 bool 982 bool 1047 default y 983 default y 1048 984 1049 # 985 # 1050 # Select some configuration options automatic 986 # Select some configuration options automatically based on user selections. 1051 # 987 # 1052 config FW_ARC 988 config FW_ARC 1053 bool 989 bool 1054 990 1055 config ARCH_MAY_HAVE_PC_FDC 991 config ARCH_MAY_HAVE_PC_FDC 1056 bool 992 bool 1057 993 1058 config BOOT_RAW 994 config BOOT_RAW 1059 bool 995 bool 1060 996 1061 config CEVT_BCM1480 997 config CEVT_BCM1480 1062 bool 998 bool 1063 999 1064 config CEVT_DS1287 1000 config CEVT_DS1287 1065 bool 1001 bool 1066 1002 1067 config CEVT_GT641XX 1003 config CEVT_GT641XX 1068 bool 1004 bool 1069 1005 1070 config CEVT_R4K 1006 config CEVT_R4K 1071 bool 1007 bool 1072 1008 1073 config CEVT_SB1250 1009 config CEVT_SB1250 1074 bool 1010 bool 1075 1011 1076 config CEVT_TXX9 1012 config CEVT_TXX9 1077 bool 1013 bool 1078 1014 1079 config CSRC_BCM1480 1015 config CSRC_BCM1480 1080 bool 1016 bool 1081 1017 1082 config CSRC_IOASIC 1018 config CSRC_IOASIC 1083 bool 1019 bool 1084 1020 1085 config CSRC_R4K 1021 config CSRC_R4K 1086 select CLOCKSOURCE_WATCHDOG if CPU_FR 1022 select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1087 select HAVE_UNSTABLE_SCHED_CLOCK if S << 1088 bool 1023 bool 1089 1024 1090 config CSRC_SB1250 1025 config CSRC_SB1250 1091 bool 1026 bool 1092 1027 1093 config MIPS_CLOCK_VSYSCALL 1028 config MIPS_CLOCK_VSYSCALL 1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1029 def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1095 1030 1096 config GPIO_TXX9 1031 config GPIO_TXX9 1097 select GPIOLIB 1032 select GPIOLIB 1098 bool 1033 bool 1099 1034 1100 config FW_CFE 1035 config FW_CFE 1101 bool 1036 bool 1102 1037 1103 config ARCH_SUPPORTS_UPROBES 1038 config ARCH_SUPPORTS_UPROBES 1104 def_bool y 1039 def_bool y 1105 1040 1106 config DMA_NONCOHERENT 1041 config DMA_NONCOHERENT 1107 bool 1042 bool 1108 # 1043 # 1109 # MIPS allows mixing "slightly differ 1044 # MIPS allows mixing "slightly different" Cacheability and Coherency 1110 # Attribute bits. It is believed tha 1045 # Attribute bits. It is believed that the uncached access through 1111 # KSEG1 and the implementation specif 1046 # KSEG1 and the implementation specific "uncached accelerated" used 1112 # by pgprot_writcombine can be mixed, 1047 # by pgprot_writcombine can be mixed, and the latter sometimes provides 1113 # significant advantages. 1048 # significant advantages. 1114 # 1049 # 1115 select ARCH_HAS_SETUP_DMA_OPS 1050 select ARCH_HAS_SETUP_DMA_OPS 1116 select ARCH_HAS_DMA_WRITE_COMBINE 1051 select ARCH_HAS_DMA_WRITE_COMBINE 1117 select ARCH_HAS_DMA_PREP_COHERENT 1052 select ARCH_HAS_DMA_PREP_COHERENT 1118 select ARCH_HAS_SYNC_DMA_FOR_CPU 1053 select ARCH_HAS_SYNC_DMA_FOR_CPU 1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1054 select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1120 select ARCH_HAS_DMA_SET_UNCACHED 1055 select ARCH_HAS_DMA_SET_UNCACHED 1121 select DMA_NONCOHERENT_MMAP 1056 select DMA_NONCOHERENT_MMAP 1122 select NEED_DMA_MAP_STATE 1057 select NEED_DMA_MAP_STATE 1123 1058 1124 config SYS_HAS_EARLY_PRINTK 1059 config SYS_HAS_EARLY_PRINTK 1125 bool 1060 bool 1126 1061 1127 config SYS_SUPPORTS_HOTPLUG_CPU 1062 config SYS_SUPPORTS_HOTPLUG_CPU 1128 bool 1063 bool 1129 1064 1130 config MIPS_BONITO64 1065 config MIPS_BONITO64 1131 bool 1066 bool 1132 1067 1133 config MIPS_MSC 1068 config MIPS_MSC 1134 bool 1069 bool 1135 1070 1136 config SYNC_R4K 1071 config SYNC_R4K 1137 bool 1072 bool 1138 1073 1139 config NO_IOPORT_MAP 1074 config NO_IOPORT_MAP 1140 def_bool n 1075 def_bool n 1141 1076 1142 config GENERIC_CSUM 1077 config GENERIC_CSUM 1143 def_bool CPU_NO_LOAD_STORE_LR 1078 def_bool CPU_NO_LOAD_STORE_LR 1144 1079 1145 config GENERIC_ISA_DMA 1080 config GENERIC_ISA_DMA 1146 bool 1081 bool 1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 1082 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1148 select ISA_DMA_API 1083 select ISA_DMA_API 1149 1084 1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1085 config GENERIC_ISA_DMA_SUPPORT_BROKEN 1151 bool 1086 bool 1152 select GENERIC_ISA_DMA 1087 select GENERIC_ISA_DMA 1153 1088 1154 config HAVE_PLAT_DELAY 1089 config HAVE_PLAT_DELAY 1155 bool 1090 bool 1156 1091 1157 config HAVE_PLAT_FW_INIT_CMDLINE 1092 config HAVE_PLAT_FW_INIT_CMDLINE 1158 bool 1093 bool 1159 1094 1160 config HAVE_PLAT_MEMCPY 1095 config HAVE_PLAT_MEMCPY 1161 bool 1096 bool 1162 1097 1163 config ISA_DMA_API 1098 config ISA_DMA_API 1164 bool 1099 bool 1165 1100 1166 config SYS_SUPPORTS_RELOCATABLE 1101 config SYS_SUPPORTS_RELOCATABLE 1167 bool 1102 bool 1168 help 1103 help 1169 Selected if the platform supports r 1104 Selected if the platform supports relocating the kernel. 1170 The platform must provide plat_get_ 1105 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 1171 to allow access to command line and 1106 to allow access to command line and entropy sources. 1172 1107 1173 # 1108 # 1174 # Endianness selection. Sufficiently obscure 1109 # Endianness selection. Sufficiently obscure so many users don't know what to 1175 # answer,so we try hard to limit the availabl 1110 # answer,so we try hard to limit the available choices. Also the use of a 1176 # choice statement should be more obvious to 1111 # choice statement should be more obvious to the user. 1177 # 1112 # 1178 choice 1113 choice 1179 prompt "Endianness selection" 1114 prompt "Endianness selection" 1180 help 1115 help 1181 Some MIPS machines can be configure 1116 Some MIPS machines can be configured for either little or big endian 1182 byte order. These modes require dif 1117 byte order. These modes require different kernels and a different 1183 Linux distribution. In general the 1118 Linux distribution. In general there is one preferred byteorder for a 1184 particular system but some systems 1119 particular system but some systems are just as commonly used in the 1185 one or the other endianness. 1120 one or the other endianness. 1186 1121 1187 config CPU_BIG_ENDIAN 1122 config CPU_BIG_ENDIAN 1188 bool "Big endian" 1123 bool "Big endian" 1189 depends on SYS_SUPPORTS_BIG_ENDIAN 1124 depends on SYS_SUPPORTS_BIG_ENDIAN 1190 1125 1191 config CPU_LITTLE_ENDIAN 1126 config CPU_LITTLE_ENDIAN 1192 bool "Little endian" 1127 bool "Little endian" 1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1128 depends on SYS_SUPPORTS_LITTLE_ENDIAN 1194 1129 1195 endchoice 1130 endchoice 1196 1131 1197 config EXPORT_UASM 1132 config EXPORT_UASM 1198 bool 1133 bool 1199 1134 1200 config SYS_SUPPORTS_APM_EMULATION 1135 config SYS_SUPPORTS_APM_EMULATION 1201 bool 1136 bool 1202 1137 1203 config SYS_SUPPORTS_BIG_ENDIAN 1138 config SYS_SUPPORTS_BIG_ENDIAN 1204 bool 1139 bool 1205 1140 1206 config SYS_SUPPORTS_LITTLE_ENDIAN 1141 config SYS_SUPPORTS_LITTLE_ENDIAN 1207 bool 1142 bool 1208 1143 1209 config MIPS_HUGE_TLB_SUPPORT 1144 config MIPS_HUGE_TLB_SUPPORT 1210 def_bool HUGETLB_PAGE || TRANSPARENT_ 1145 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1211 1146 1212 config IRQ_TXX9 1147 config IRQ_TXX9 1213 bool 1148 bool 1214 1149 1215 config IRQ_GT641XX 1150 config IRQ_GT641XX 1216 bool 1151 bool 1217 1152 1218 config PCI_GT64XXX_PCI0 1153 config PCI_GT64XXX_PCI0 1219 bool 1154 bool 1220 1155 1221 config PCI_XTALK_BRIDGE 1156 config PCI_XTALK_BRIDGE 1222 bool 1157 bool 1223 1158 1224 config NO_EXCEPT_FILL 1159 config NO_EXCEPT_FILL 1225 bool 1160 bool 1226 1161 1227 config MIPS_SPRAM 1162 config MIPS_SPRAM 1228 bool 1163 bool 1229 1164 1230 config SWAP_IO_SPACE 1165 config SWAP_IO_SPACE 1231 bool 1166 bool 1232 1167 1233 config SGI_HAS_INDYDOG 1168 config SGI_HAS_INDYDOG 1234 bool 1169 bool 1235 1170 1236 config SGI_HAS_HAL2 1171 config SGI_HAS_HAL2 1237 bool 1172 bool 1238 1173 1239 config SGI_HAS_SEEQ 1174 config SGI_HAS_SEEQ 1240 bool 1175 bool 1241 1176 1242 config SGI_HAS_WD93 1177 config SGI_HAS_WD93 1243 bool 1178 bool 1244 1179 1245 config SGI_HAS_ZILOG 1180 config SGI_HAS_ZILOG 1246 bool 1181 bool 1247 1182 1248 config SGI_HAS_I8042 1183 config SGI_HAS_I8042 1249 bool 1184 bool 1250 1185 1251 config DEFAULT_SGI_PARTITION 1186 config DEFAULT_SGI_PARTITION 1252 bool 1187 bool 1253 1188 1254 config FW_ARC32 1189 config FW_ARC32 1255 bool 1190 bool 1256 1191 1257 config FW_SNIPROM 1192 config FW_SNIPROM 1258 bool 1193 bool 1259 1194 1260 config BOOT_ELF32 1195 config BOOT_ELF32 1261 bool 1196 bool 1262 1197 1263 config MIPS_L1_CACHE_SHIFT_4 1198 config MIPS_L1_CACHE_SHIFT_4 1264 bool 1199 bool 1265 1200 1266 config MIPS_L1_CACHE_SHIFT_5 1201 config MIPS_L1_CACHE_SHIFT_5 1267 bool 1202 bool 1268 1203 1269 config MIPS_L1_CACHE_SHIFT_6 1204 config MIPS_L1_CACHE_SHIFT_6 1270 bool 1205 bool 1271 1206 1272 config MIPS_L1_CACHE_SHIFT_7 1207 config MIPS_L1_CACHE_SHIFT_7 1273 bool 1208 bool 1274 1209 1275 config MIPS_L1_CACHE_SHIFT 1210 config MIPS_L1_CACHE_SHIFT 1276 int 1211 int 1277 default "7" if MIPS_L1_CACHE_SHIFT_7 1212 default "7" if MIPS_L1_CACHE_SHIFT_7 1278 default "6" if MIPS_L1_CACHE_SHIFT_6 1213 default "6" if MIPS_L1_CACHE_SHIFT_6 1279 default "5" if MIPS_L1_CACHE_SHIFT_5 1214 default "5" if MIPS_L1_CACHE_SHIFT_5 1280 default "4" if MIPS_L1_CACHE_SHIFT_4 1215 default "4" if MIPS_L1_CACHE_SHIFT_4 1281 default "5" 1216 default "5" 1282 1217 1283 config ARC_CMDLINE_ONLY 1218 config ARC_CMDLINE_ONLY 1284 bool 1219 bool 1285 1220 1286 config ARC_CONSOLE 1221 config ARC_CONSOLE 1287 bool "ARC console support" 1222 bool "ARC console support" 1288 depends on SGI_IP22 || SGI_IP28 || (S 1223 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 1289 1224 1290 config ARC_MEMORY 1225 config ARC_MEMORY 1291 bool 1226 bool 1292 1227 1293 config ARC_PROMLIB 1228 config ARC_PROMLIB 1294 bool 1229 bool 1295 1230 1296 config FW_ARC64 1231 config FW_ARC64 1297 bool 1232 bool 1298 1233 1299 config BOOT_ELF64 1234 config BOOT_ELF64 1300 bool 1235 bool 1301 1236 1302 menu "CPU selection" 1237 menu "CPU selection" 1303 1238 1304 choice 1239 choice 1305 prompt "CPU type" 1240 prompt "CPU type" 1306 default CPU_R4X00 1241 default CPU_R4X00 1307 1242 1308 config CPU_LOONGSON64 1243 config CPU_LOONGSON64 1309 bool "Loongson 64-bit CPU" 1244 bool "Loongson 64-bit CPU" 1310 depends on SYS_HAS_CPU_LOONGSON64 1245 depends on SYS_HAS_CPU_LOONGSON64 1311 select ARCH_HAS_PHYS_TO_DMA 1246 select ARCH_HAS_PHYS_TO_DMA 1312 select CPU_MIPSR2 1247 select CPU_MIPSR2 1313 select CPU_HAS_PREFETCH 1248 select CPU_HAS_PREFETCH 1314 select CPU_SUPPORTS_64BIT_KERNEL 1249 select CPU_SUPPORTS_64BIT_KERNEL 1315 select CPU_SUPPORTS_HIGHMEM 1250 select CPU_SUPPORTS_HIGHMEM 1316 select CPU_SUPPORTS_HUGEPAGES 1251 select CPU_SUPPORTS_HUGEPAGES 1317 select CPU_SUPPORTS_MSA 1252 select CPU_SUPPORTS_MSA 1318 select CPU_SUPPORTS_VZ << 1319 select CPU_DIEI_BROKEN if !LOONGSON3_ 1253 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 1320 select CPU_MIPSR2_IRQ_VI 1254 select CPU_MIPSR2_IRQ_VI 1321 select DMA_NONCOHERENT 1255 select DMA_NONCOHERENT 1322 select WEAK_ORDERING 1256 select WEAK_ORDERING 1323 select WEAK_REORDERING_BEYOND_LLSC 1257 select WEAK_REORDERING_BEYOND_LLSC 1324 select MIPS_ASID_BITS_VARIABLE 1258 select MIPS_ASID_BITS_VARIABLE 1325 select MIPS_PGD_C0_CONTEXT 1259 select MIPS_PGD_C0_CONTEXT 1326 select MIPS_L1_CACHE_SHIFT_6 1260 select MIPS_L1_CACHE_SHIFT_6 1327 select MIPS_FP_SUPPORT 1261 select MIPS_FP_SUPPORT 1328 select GPIOLIB 1262 select GPIOLIB 1329 select SWIOTLB 1263 select SWIOTLB >> 1264 select HAVE_KVM 1330 help 1265 help 1331 The Loongson GSx64(GS264/GS464/GS46 1266 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1332 cores implements the MIPS64R2 instr 1267 cores implements the MIPS64R2 instruction set with many extensions, 1333 including most 64-bit Loongson-2 (2 1268 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1334 3B1000, 3B1500, 3A2000, 3A3000 and 1269 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1335 Loongson-2E/2F is not covered here 1270 Loongson-2E/2F is not covered here and will be removed in future. 1336 1271 >> 1272 config LOONGSON3_ENHANCEMENT >> 1273 bool "New Loongson-3 CPU Enhancements" >> 1274 default n >> 1275 depends on CPU_LOONGSON64 >> 1276 help >> 1277 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A >> 1278 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as >> 1279 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User >> 1280 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), >> 1281 Fast TLB refill support, etc. >> 1282 >> 1283 This option enable those enhancements which are not probed at run >> 1284 time. If you want a generic kernel to run on all Loongson 3 machines, >> 1285 please say 'N' here. If you want a high-performance kernel to run on >> 1286 new Loongson-3 machines only, please say 'Y' here. >> 1287 >> 1288 config CPU_LOONGSON3_WORKAROUNDS >> 1289 bool "Loongson-3 LLSC Workarounds" >> 1290 default y if SMP >> 1291 depends on CPU_LOONGSON64 >> 1292 help >> 1293 Loongson-3 processors have the llsc issues which require workarounds. >> 1294 Without workarounds the system may hang unexpectedly. >> 1295 >> 1296 Say Y, unless you know what you are doing. >> 1297 >> 1298 config CPU_LOONGSON3_CPUCFG_EMULATION >> 1299 bool "Emulate the CPUCFG instruction on older Loongson cores" >> 1300 default y >> 1301 depends on CPU_LOONGSON64 >> 1302 help >> 1303 Loongson-3A R4 and newer have the CPUCFG instruction available for >> 1304 userland to query CPU capabilities, much like CPUID on x86. This >> 1305 option provides emulation of the instruction on older Loongson >> 1306 cores, back to Loongson-3A1000. >> 1307 >> 1308 If unsure, please say Y. >> 1309 1337 config CPU_LOONGSON2E 1310 config CPU_LOONGSON2E 1338 bool "Loongson 2E" 1311 bool "Loongson 2E" 1339 depends on SYS_HAS_CPU_LOONGSON2E 1312 depends on SYS_HAS_CPU_LOONGSON2E 1340 select CPU_LOONGSON2EF 1313 select CPU_LOONGSON2EF 1341 help 1314 help 1342 The Loongson 2E processor implement 1315 The Loongson 2E processor implements the MIPS III instruction set 1343 with many extensions. 1316 with many extensions. 1344 1317 1345 It has an internal FPGA northbridge 1318 It has an internal FPGA northbridge, which is compatible to 1346 bonito64. 1319 bonito64. 1347 1320 1348 config CPU_LOONGSON2F 1321 config CPU_LOONGSON2F 1349 bool "Loongson 2F" 1322 bool "Loongson 2F" 1350 depends on SYS_HAS_CPU_LOONGSON2F 1323 depends on SYS_HAS_CPU_LOONGSON2F 1351 select CPU_LOONGSON2EF 1324 select CPU_LOONGSON2EF 1352 help 1325 help 1353 The Loongson 2F processor implement 1326 The Loongson 2F processor implements the MIPS III instruction set 1354 with many extensions. 1327 with many extensions. 1355 1328 1356 Loongson2F have built-in DDR2 and P 1329 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 1357 have a similar programming interfac 1330 have a similar programming interface with FPGA northbridge used in 1358 Loongson2E. 1331 Loongson2E. 1359 1332 1360 config CPU_LOONGSON1B 1333 config CPU_LOONGSON1B 1361 bool "Loongson 1B" 1334 bool "Loongson 1B" 1362 depends on SYS_HAS_CPU_LOONGSON1B 1335 depends on SYS_HAS_CPU_LOONGSON1B 1363 select CPU_LOONGSON32 1336 select CPU_LOONGSON32 1364 select LEDS_GPIO_REGISTER 1337 select LEDS_GPIO_REGISTER 1365 help 1338 help 1366 The Loongson 1B is a 32-bit SoC, wh 1339 The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1367 Release 1 instruction set and part 1340 Release 1 instruction set and part of the MIPS32 Release 2 1368 instruction set. 1341 instruction set. 1369 1342 1370 config CPU_LOONGSON1C 1343 config CPU_LOONGSON1C 1371 bool "Loongson 1C" 1344 bool "Loongson 1C" 1372 depends on SYS_HAS_CPU_LOONGSON1C 1345 depends on SYS_HAS_CPU_LOONGSON1C 1373 select CPU_LOONGSON32 1346 select CPU_LOONGSON32 1374 select LEDS_GPIO_REGISTER 1347 select LEDS_GPIO_REGISTER 1375 help 1348 help 1376 The Loongson 1C is a 32-bit SoC, wh 1349 The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1377 Release 1 instruction set and part 1350 Release 1 instruction set and part of the MIPS32 Release 2 1378 instruction set. 1351 instruction set. 1379 1352 1380 config CPU_MIPS32_R1 1353 config CPU_MIPS32_R1 1381 bool "MIPS32 Release 1" 1354 bool "MIPS32 Release 1" 1382 depends on SYS_HAS_CPU_MIPS32_R1 1355 depends on SYS_HAS_CPU_MIPS32_R1 1383 select CPU_HAS_PREFETCH 1356 select CPU_HAS_PREFETCH 1384 select CPU_SUPPORTS_32BIT_KERNEL 1357 select CPU_SUPPORTS_32BIT_KERNEL 1385 select CPU_SUPPORTS_HIGHMEM 1358 select CPU_SUPPORTS_HIGHMEM 1386 help 1359 help 1387 Choose this option to build a kerne 1360 Choose this option to build a kernel for release 1 or later of the 1388 MIPS32 architecture. Most modern e 1361 MIPS32 architecture. Most modern embedded systems with a 32-bit 1389 MIPS processor are based on a MIPS3 1362 MIPS processor are based on a MIPS32 processor. If you know the 1390 specific type of processor in your 1363 specific type of processor in your system, choose those that one 1391 otherwise CPU_MIPS32_R1 is a safe b 1364 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1392 Release 2 of the MIPS32 architectur 1365 Release 2 of the MIPS32 architecture is available since several 1393 years so chances are you even have 1366 years so chances are you even have a MIPS32 Release 2 processor 1394 in which case you should choose CPU 1367 in which case you should choose CPU_MIPS32_R2 instead for better 1395 performance. 1368 performance. 1396 1369 1397 config CPU_MIPS32_R2 1370 config CPU_MIPS32_R2 1398 bool "MIPS32 Release 2" 1371 bool "MIPS32 Release 2" 1399 depends on SYS_HAS_CPU_MIPS32_R2 1372 depends on SYS_HAS_CPU_MIPS32_R2 1400 select CPU_HAS_PREFETCH 1373 select CPU_HAS_PREFETCH 1401 select CPU_SUPPORTS_32BIT_KERNEL 1374 select CPU_SUPPORTS_32BIT_KERNEL 1402 select CPU_SUPPORTS_HIGHMEM 1375 select CPU_SUPPORTS_HIGHMEM 1403 select CPU_SUPPORTS_MSA 1376 select CPU_SUPPORTS_MSA >> 1377 select HAVE_KVM 1404 help 1378 help 1405 Choose this option to build a kerne 1379 Choose this option to build a kernel for release 2 or later of the 1406 MIPS32 architecture. Most modern e 1380 MIPS32 architecture. Most modern embedded systems with a 32-bit 1407 MIPS processor are based on a MIPS3 1381 MIPS processor are based on a MIPS32 processor. If you know the 1408 specific type of processor in your 1382 specific type of processor in your system, choose those that one 1409 otherwise CPU_MIPS32_R1 is a safe b 1383 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 1410 1384 1411 config CPU_MIPS32_R5 1385 config CPU_MIPS32_R5 1412 bool "MIPS32 Release 5" 1386 bool "MIPS32 Release 5" 1413 depends on SYS_HAS_CPU_MIPS32_R5 1387 depends on SYS_HAS_CPU_MIPS32_R5 1414 select CPU_HAS_PREFETCH 1388 select CPU_HAS_PREFETCH 1415 select CPU_SUPPORTS_32BIT_KERNEL 1389 select CPU_SUPPORTS_32BIT_KERNEL 1416 select CPU_SUPPORTS_HIGHMEM 1390 select CPU_SUPPORTS_HIGHMEM 1417 select CPU_SUPPORTS_MSA 1391 select CPU_SUPPORTS_MSA 1418 select CPU_SUPPORTS_VZ !! 1392 select HAVE_KVM 1419 select MIPS_O32_FP64_SUPPORT 1393 select MIPS_O32_FP64_SUPPORT 1420 help 1394 help 1421 Choose this option to build a kerne 1395 Choose this option to build a kernel for release 5 or later of the 1422 MIPS32 architecture. New MIPS proc 1396 MIPS32 architecture. New MIPS processors, starting with the Warrior 1423 family, are based on a MIPS32r5 pro 1397 family, are based on a MIPS32r5 processor. If you own an older 1424 processor, you probably need to sel 1398 processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1425 1399 1426 config CPU_MIPS32_R6 1400 config CPU_MIPS32_R6 1427 bool "MIPS32 Release 6" 1401 bool "MIPS32 Release 6" 1428 depends on SYS_HAS_CPU_MIPS32_R6 1402 depends on SYS_HAS_CPU_MIPS32_R6 1429 select CPU_HAS_PREFETCH 1403 select CPU_HAS_PREFETCH 1430 select CPU_NO_LOAD_STORE_LR 1404 select CPU_NO_LOAD_STORE_LR 1431 select CPU_SUPPORTS_32BIT_KERNEL 1405 select CPU_SUPPORTS_32BIT_KERNEL 1432 select CPU_SUPPORTS_HIGHMEM 1406 select CPU_SUPPORTS_HIGHMEM 1433 select CPU_SUPPORTS_MSA 1407 select CPU_SUPPORTS_MSA 1434 select CPU_SUPPORTS_VZ !! 1408 select HAVE_KVM 1435 select MIPS_O32_FP64_SUPPORT 1409 select MIPS_O32_FP64_SUPPORT 1436 help 1410 help 1437 Choose this option to build a kerne 1411 Choose this option to build a kernel for release 6 or later of the 1438 MIPS32 architecture. New MIPS proc 1412 MIPS32 architecture. New MIPS processors, starting with the Warrior 1439 family, are based on a MIPS32r6 pro 1413 family, are based on a MIPS32r6 processor. If you own an older 1440 processor, you probably need to sel 1414 processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1441 1415 1442 config CPU_MIPS64_R1 1416 config CPU_MIPS64_R1 1443 bool "MIPS64 Release 1" 1417 bool "MIPS64 Release 1" 1444 depends on SYS_HAS_CPU_MIPS64_R1 1418 depends on SYS_HAS_CPU_MIPS64_R1 1445 select CPU_HAS_PREFETCH 1419 select CPU_HAS_PREFETCH 1446 select CPU_SUPPORTS_32BIT_KERNEL 1420 select CPU_SUPPORTS_32BIT_KERNEL 1447 select CPU_SUPPORTS_64BIT_KERNEL 1421 select CPU_SUPPORTS_64BIT_KERNEL 1448 select CPU_SUPPORTS_HIGHMEM 1422 select CPU_SUPPORTS_HIGHMEM 1449 select CPU_SUPPORTS_HUGEPAGES 1423 select CPU_SUPPORTS_HUGEPAGES 1450 help 1424 help 1451 Choose this option to build a kerne 1425 Choose this option to build a kernel for release 1 or later of the 1452 MIPS64 architecture. Many modern e 1426 MIPS64 architecture. Many modern embedded systems with a 64-bit 1453 MIPS processor are based on a MIPS6 1427 MIPS processor are based on a MIPS64 processor. If you know the 1454 specific type of processor in your 1428 specific type of processor in your system, choose those that one 1455 otherwise CPU_MIPS64_R1 is a safe b 1429 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1456 Release 2 of the MIPS64 architectur 1430 Release 2 of the MIPS64 architecture is available since several 1457 years so chances are you even have 1431 years so chances are you even have a MIPS64 Release 2 processor 1458 in which case you should choose CPU 1432 in which case you should choose CPU_MIPS64_R2 instead for better 1459 performance. 1433 performance. 1460 1434 1461 config CPU_MIPS64_R2 1435 config CPU_MIPS64_R2 1462 bool "MIPS64 Release 2" 1436 bool "MIPS64 Release 2" 1463 depends on SYS_HAS_CPU_MIPS64_R2 1437 depends on SYS_HAS_CPU_MIPS64_R2 1464 select CPU_HAS_PREFETCH 1438 select CPU_HAS_PREFETCH 1465 select CPU_SUPPORTS_32BIT_KERNEL 1439 select CPU_SUPPORTS_32BIT_KERNEL 1466 select CPU_SUPPORTS_64BIT_KERNEL 1440 select CPU_SUPPORTS_64BIT_KERNEL 1467 select CPU_SUPPORTS_HIGHMEM 1441 select CPU_SUPPORTS_HIGHMEM 1468 select CPU_SUPPORTS_HUGEPAGES 1442 select CPU_SUPPORTS_HUGEPAGES 1469 select CPU_SUPPORTS_MSA 1443 select CPU_SUPPORTS_MSA >> 1444 select HAVE_KVM 1470 help 1445 help 1471 Choose this option to build a kerne 1446 Choose this option to build a kernel for release 2 or later of the 1472 MIPS64 architecture. Many modern e 1447 MIPS64 architecture. Many modern embedded systems with a 64-bit 1473 MIPS processor are based on a MIPS6 1448 MIPS processor are based on a MIPS64 processor. If you know the 1474 specific type of processor in your 1449 specific type of processor in your system, choose those that one 1475 otherwise CPU_MIPS64_R1 is a safe b 1450 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 1476 1451 1477 config CPU_MIPS64_R5 1452 config CPU_MIPS64_R5 1478 bool "MIPS64 Release 5" 1453 bool "MIPS64 Release 5" 1479 depends on SYS_HAS_CPU_MIPS64_R5 1454 depends on SYS_HAS_CPU_MIPS64_R5 1480 select CPU_HAS_PREFETCH 1455 select CPU_HAS_PREFETCH 1481 select CPU_SUPPORTS_32BIT_KERNEL 1456 select CPU_SUPPORTS_32BIT_KERNEL 1482 select CPU_SUPPORTS_64BIT_KERNEL 1457 select CPU_SUPPORTS_64BIT_KERNEL 1483 select CPU_SUPPORTS_HIGHMEM 1458 select CPU_SUPPORTS_HIGHMEM 1484 select CPU_SUPPORTS_HUGEPAGES 1459 select CPU_SUPPORTS_HUGEPAGES 1485 select CPU_SUPPORTS_MSA 1460 select CPU_SUPPORTS_MSA 1486 select MIPS_O32_FP64_SUPPORT if 32BIT 1461 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1487 select CPU_SUPPORTS_VZ !! 1462 select HAVE_KVM 1488 help 1463 help 1489 Choose this option to build a kerne 1464 Choose this option to build a kernel for release 5 or later of the 1490 MIPS64 architecture. This is a int 1465 MIPS64 architecture. This is a intermediate MIPS architecture 1491 release partly implementing release 1466 release partly implementing release 6 features. Though there is no 1492 any hardware known to be based on t 1467 any hardware known to be based on this release. 1493 1468 1494 config CPU_MIPS64_R6 1469 config CPU_MIPS64_R6 1495 bool "MIPS64 Release 6" 1470 bool "MIPS64 Release 6" 1496 depends on SYS_HAS_CPU_MIPS64_R6 1471 depends on SYS_HAS_CPU_MIPS64_R6 1497 select CPU_HAS_PREFETCH 1472 select CPU_HAS_PREFETCH 1498 select CPU_NO_LOAD_STORE_LR 1473 select CPU_NO_LOAD_STORE_LR 1499 select CPU_SUPPORTS_32BIT_KERNEL 1474 select CPU_SUPPORTS_32BIT_KERNEL 1500 select CPU_SUPPORTS_64BIT_KERNEL 1475 select CPU_SUPPORTS_64BIT_KERNEL 1501 select CPU_SUPPORTS_HIGHMEM 1476 select CPU_SUPPORTS_HIGHMEM 1502 select CPU_SUPPORTS_HUGEPAGES 1477 select CPU_SUPPORTS_HUGEPAGES 1503 select CPU_SUPPORTS_MSA 1478 select CPU_SUPPORTS_MSA 1504 select MIPS_O32_FP64_SUPPORT if 32BIT 1479 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1505 select CPU_SUPPORTS_VZ !! 1480 select HAVE_KVM 1506 help 1481 help 1507 Choose this option to build a kerne 1482 Choose this option to build a kernel for release 6 or later of the 1508 MIPS64 architecture. New MIPS proc 1483 MIPS64 architecture. New MIPS processors, starting with the Warrior 1509 family, are based on a MIPS64r6 pro 1484 family, are based on a MIPS64r6 processor. If you own an older 1510 processor, you probably need to sel 1485 processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 1511 1486 1512 config CPU_P5600 1487 config CPU_P5600 1513 bool "MIPS Warrior P5600" 1488 bool "MIPS Warrior P5600" 1514 depends on SYS_HAS_CPU_P5600 1489 depends on SYS_HAS_CPU_P5600 1515 select CPU_HAS_PREFETCH 1490 select CPU_HAS_PREFETCH 1516 select CPU_SUPPORTS_32BIT_KERNEL 1491 select CPU_SUPPORTS_32BIT_KERNEL 1517 select CPU_SUPPORTS_HIGHMEM 1492 select CPU_SUPPORTS_HIGHMEM 1518 select CPU_SUPPORTS_MSA 1493 select CPU_SUPPORTS_MSA 1519 select CPU_SUPPORTS_CPUFREQ 1494 select CPU_SUPPORTS_CPUFREQ 1520 select CPU_SUPPORTS_VZ << 1521 select CPU_MIPSR2_IRQ_VI 1495 select CPU_MIPSR2_IRQ_VI 1522 select CPU_MIPSR2_IRQ_EI 1496 select CPU_MIPSR2_IRQ_EI >> 1497 select HAVE_KVM 1523 select MIPS_O32_FP64_SUPPORT 1498 select MIPS_O32_FP64_SUPPORT 1524 help 1499 help 1525 Choose this option to build a kerne 1500 Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1526 It's based on MIPS32r5 ISA with XPA 1501 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1527 MMU with two-levels TLB, UCA, MSA, 1502 MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1528 level features like up to six P5600 1503 level features like up to six P5600 calculation cores, CM2 with L2 1529 cache, IOCU/IOMMU (though might be 1504 cache, IOCU/IOMMU (though might be unused depending on the system- 1530 specific IP core configuration), GI 1505 specific IP core configuration), GIC, CPC, virtualisation module, 1531 eJTAG and PDtrace. 1506 eJTAG and PDtrace. 1532 1507 1533 config CPU_R3000 1508 config CPU_R3000 1534 bool "R3000" 1509 bool "R3000" 1535 depends on SYS_HAS_CPU_R3000 1510 depends on SYS_HAS_CPU_R3000 1536 select CPU_HAS_WB 1511 select CPU_HAS_WB 1537 select CPU_R3K_TLB 1512 select CPU_R3K_TLB 1538 select CPU_SUPPORTS_32BIT_KERNEL 1513 select CPU_SUPPORTS_32BIT_KERNEL 1539 select CPU_SUPPORTS_HIGHMEM 1514 select CPU_SUPPORTS_HIGHMEM 1540 help 1515 help 1541 Please make sure to pick the right 1516 Please make sure to pick the right CPU type. Linux/MIPS is not 1542 designed to be generic, i.e. Kernel 1517 designed to be generic, i.e. Kernels compiled for R3000 CPUs will 1543 *not* work on R4000 machines and vi 1518 *not* work on R4000 machines and vice versa. However, since most 1544 of the supported machines have an R 1519 of the supported machines have an R4000 (or similar) CPU, R4x00 1545 might be a safe bet. If the result 1520 might be a safe bet. If the resulting kernel does not work, 1546 try to recompile with R3000. 1521 try to recompile with R3000. 1547 1522 1548 config CPU_R4300 1523 config CPU_R4300 1549 bool "R4300" 1524 bool "R4300" 1550 depends on SYS_HAS_CPU_R4300 1525 depends on SYS_HAS_CPU_R4300 1551 select CPU_SUPPORTS_32BIT_KERNEL 1526 select CPU_SUPPORTS_32BIT_KERNEL 1552 select CPU_SUPPORTS_64BIT_KERNEL 1527 select CPU_SUPPORTS_64BIT_KERNEL 1553 help 1528 help 1554 MIPS Technologies R4300-series proc 1529 MIPS Technologies R4300-series processors. 1555 1530 1556 config CPU_R4X00 1531 config CPU_R4X00 1557 bool "R4x00" 1532 bool "R4x00" 1558 depends on SYS_HAS_CPU_R4X00 1533 depends on SYS_HAS_CPU_R4X00 1559 select CPU_SUPPORTS_32BIT_KERNEL 1534 select CPU_SUPPORTS_32BIT_KERNEL 1560 select CPU_SUPPORTS_64BIT_KERNEL 1535 select CPU_SUPPORTS_64BIT_KERNEL 1561 select CPU_SUPPORTS_HUGEPAGES 1536 select CPU_SUPPORTS_HUGEPAGES 1562 help 1537 help 1563 MIPS Technologies R4000-series proc 1538 MIPS Technologies R4000-series processors other than 4300, including 1564 the R4000, R4400, R4600, and 4700. 1539 the R4000, R4400, R4600, and 4700. 1565 1540 1566 config CPU_TX49XX 1541 config CPU_TX49XX 1567 bool "R49XX" 1542 bool "R49XX" 1568 depends on SYS_HAS_CPU_TX49XX 1543 depends on SYS_HAS_CPU_TX49XX 1569 select CPU_HAS_PREFETCH 1544 select CPU_HAS_PREFETCH 1570 select CPU_SUPPORTS_32BIT_KERNEL 1545 select CPU_SUPPORTS_32BIT_KERNEL 1571 select CPU_SUPPORTS_64BIT_KERNEL 1546 select CPU_SUPPORTS_64BIT_KERNEL 1572 select CPU_SUPPORTS_HUGEPAGES 1547 select CPU_SUPPORTS_HUGEPAGES 1573 1548 1574 config CPU_R5000 1549 config CPU_R5000 1575 bool "R5000" 1550 bool "R5000" 1576 depends on SYS_HAS_CPU_R5000 1551 depends on SYS_HAS_CPU_R5000 1577 select CPU_SUPPORTS_32BIT_KERNEL 1552 select CPU_SUPPORTS_32BIT_KERNEL 1578 select CPU_SUPPORTS_64BIT_KERNEL 1553 select CPU_SUPPORTS_64BIT_KERNEL 1579 select CPU_SUPPORTS_HUGEPAGES 1554 select CPU_SUPPORTS_HUGEPAGES 1580 help 1555 help 1581 MIPS Technologies R5000-series proc 1556 MIPS Technologies R5000-series processors other than the Nevada. 1582 1557 1583 config CPU_R5500 1558 config CPU_R5500 1584 bool "R5500" 1559 bool "R5500" 1585 depends on SYS_HAS_CPU_R5500 1560 depends on SYS_HAS_CPU_R5500 1586 select CPU_SUPPORTS_32BIT_KERNEL 1561 select CPU_SUPPORTS_32BIT_KERNEL 1587 select CPU_SUPPORTS_64BIT_KERNEL 1562 select CPU_SUPPORTS_64BIT_KERNEL 1588 select CPU_SUPPORTS_HUGEPAGES 1563 select CPU_SUPPORTS_HUGEPAGES 1589 help 1564 help 1590 NEC VR5500 and VR5500A series proce 1565 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1591 instruction set. 1566 instruction set. 1592 1567 1593 config CPU_NEVADA 1568 config CPU_NEVADA 1594 bool "RM52xx" 1569 bool "RM52xx" 1595 depends on SYS_HAS_CPU_NEVADA 1570 depends on SYS_HAS_CPU_NEVADA 1596 select CPU_SUPPORTS_32BIT_KERNEL 1571 select CPU_SUPPORTS_32BIT_KERNEL 1597 select CPU_SUPPORTS_64BIT_KERNEL 1572 select CPU_SUPPORTS_64BIT_KERNEL 1598 select CPU_SUPPORTS_HUGEPAGES 1573 select CPU_SUPPORTS_HUGEPAGES 1599 help 1574 help 1600 QED / PMC-Sierra RM52xx-series ("Ne 1575 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 1601 1576 1602 config CPU_R10000 1577 config CPU_R10000 1603 bool "R10000" 1578 bool "R10000" 1604 depends on SYS_HAS_CPU_R10000 1579 depends on SYS_HAS_CPU_R10000 1605 select CPU_HAS_PREFETCH 1580 select CPU_HAS_PREFETCH 1606 select CPU_SUPPORTS_32BIT_KERNEL 1581 select CPU_SUPPORTS_32BIT_KERNEL 1607 select CPU_SUPPORTS_64BIT_KERNEL 1582 select CPU_SUPPORTS_64BIT_KERNEL 1608 select CPU_SUPPORTS_HIGHMEM 1583 select CPU_SUPPORTS_HIGHMEM 1609 select CPU_SUPPORTS_HUGEPAGES 1584 select CPU_SUPPORTS_HUGEPAGES 1610 help 1585 help 1611 MIPS Technologies R10000-series pro 1586 MIPS Technologies R10000-series processors. 1612 1587 1613 config CPU_RM7000 1588 config CPU_RM7000 1614 bool "RM7000" 1589 bool "RM7000" 1615 depends on SYS_HAS_CPU_RM7000 1590 depends on SYS_HAS_CPU_RM7000 1616 select CPU_HAS_PREFETCH 1591 select CPU_HAS_PREFETCH 1617 select CPU_SUPPORTS_32BIT_KERNEL 1592 select CPU_SUPPORTS_32BIT_KERNEL 1618 select CPU_SUPPORTS_64BIT_KERNEL 1593 select CPU_SUPPORTS_64BIT_KERNEL 1619 select CPU_SUPPORTS_HIGHMEM 1594 select CPU_SUPPORTS_HIGHMEM 1620 select CPU_SUPPORTS_HUGEPAGES 1595 select CPU_SUPPORTS_HUGEPAGES 1621 1596 1622 config CPU_SB1 1597 config CPU_SB1 1623 bool "SB1" 1598 bool "SB1" 1624 depends on SYS_HAS_CPU_SB1 1599 depends on SYS_HAS_CPU_SB1 1625 select CPU_SUPPORTS_32BIT_KERNEL 1600 select CPU_SUPPORTS_32BIT_KERNEL 1626 select CPU_SUPPORTS_64BIT_KERNEL 1601 select CPU_SUPPORTS_64BIT_KERNEL 1627 select CPU_SUPPORTS_HIGHMEM 1602 select CPU_SUPPORTS_HIGHMEM 1628 select CPU_SUPPORTS_HUGEPAGES 1603 select CPU_SUPPORTS_HUGEPAGES 1629 select WEAK_ORDERING 1604 select WEAK_ORDERING 1630 1605 1631 config CPU_CAVIUM_OCTEON 1606 config CPU_CAVIUM_OCTEON 1632 bool "Cavium Octeon processor" 1607 bool "Cavium Octeon processor" 1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1608 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1634 select CPU_HAS_PREFETCH 1609 select CPU_HAS_PREFETCH 1635 select CPU_SUPPORTS_64BIT_KERNEL 1610 select CPU_SUPPORTS_64BIT_KERNEL 1636 select HAVE_PAGE_SIZE_8KB if !MIPS_VA << 1637 select HAVE_PAGE_SIZE_32KB if !MIPS_V << 1638 select WEAK_ORDERING 1611 select WEAK_ORDERING 1639 select CPU_SUPPORTS_HIGHMEM 1612 select CPU_SUPPORTS_HIGHMEM 1640 select CPU_SUPPORTS_HUGEPAGES 1613 select CPU_SUPPORTS_HUGEPAGES 1641 select USB_EHCI_BIG_ENDIAN_MMIO if CP 1614 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1642 select USB_OHCI_BIG_ENDIAN_MMIO if CP 1615 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1643 select MIPS_L1_CACHE_SHIFT_7 1616 select MIPS_L1_CACHE_SHIFT_7 1644 select CPU_SUPPORTS_VZ !! 1617 select HAVE_KVM 1645 help 1618 help 1646 The Cavium Octeon processor is a hi 1619 The Cavium Octeon processor is a highly integrated chip containing 1647 many ethernet hardware widgets for 1620 many ethernet hardware widgets for networking tasks. The processor 1648 can have up to 16 Mips64v2 cores an 1621 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1649 Full details can be found at http:/ 1622 Full details can be found at http://www.caviumnetworks.com. 1650 1623 1651 config CPU_BMIPS 1624 config CPU_BMIPS 1652 bool "Broadcom BMIPS" 1625 bool "Broadcom BMIPS" 1653 depends on SYS_HAS_CPU_BMIPS 1626 depends on SYS_HAS_CPU_BMIPS 1654 select CPU_MIPS32 1627 select CPU_MIPS32 1655 select CPU_BMIPS32_3300 if SYS_HAS_CP 1628 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1656 select CPU_BMIPS4350 if SYS_HAS_CPU_B 1629 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1657 select CPU_BMIPS4380 if SYS_HAS_CPU_B 1630 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1658 select CPU_BMIPS5000 if SYS_HAS_CPU_B 1631 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1659 select CPU_SUPPORTS_32BIT_KERNEL 1632 select CPU_SUPPORTS_32BIT_KERNEL 1660 select DMA_NONCOHERENT 1633 select DMA_NONCOHERENT 1661 select IRQ_MIPS_CPU 1634 select IRQ_MIPS_CPU 1662 select SWAP_IO_SPACE 1635 select SWAP_IO_SPACE 1663 select WEAK_ORDERING 1636 select WEAK_ORDERING 1664 select CPU_SUPPORTS_HIGHMEM 1637 select CPU_SUPPORTS_HIGHMEM 1665 select CPU_HAS_PREFETCH 1638 select CPU_HAS_PREFETCH 1666 select CPU_SUPPORTS_CPUFREQ 1639 select CPU_SUPPORTS_CPUFREQ 1667 select MIPS_EXTERNAL_TIMER 1640 select MIPS_EXTERNAL_TIMER 1668 select GENERIC_IRQ_MIGRATION if HOTPL 1641 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 1669 help 1642 help 1670 Support for BMIPS32/3300/4350/4380 1643 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1671 1644 1672 endchoice 1645 endchoice 1673 1646 1674 config LOONGSON3_ENHANCEMENT << 1675 bool "New Loongson-3 CPU Enhancements << 1676 default n << 1677 depends on CPU_LOONGSON64 << 1678 help << 1679 New Loongson-3 cores (since Loongso << 1680 R1, Loongson-3B R1 and Loongson-3B << 1681 FTLB, L1-VCache, EI/DI/Wait/Prefetc << 1682 Local register, Read-Inhibit/Execut << 1683 Fast TLB refill support, etc. << 1684 << 1685 This option enable those enhancemen << 1686 time. If you want a generic kernel << 1687 please say 'N' here. If you want a << 1688 new Loongson-3 machines only, pleas << 1689 << 1690 config CPU_LOONGSON3_WORKAROUNDS << 1691 bool "Loongson-3 LLSC Workarounds" << 1692 default y if SMP << 1693 depends on CPU_LOONGSON64 << 1694 help << 1695 Loongson-3 processors have the llsc << 1696 Without workarounds the system may << 1697 << 1698 Say Y, unless you know what you are << 1699 << 1700 config CPU_LOONGSON3_CPUCFG_EMULATION << 1701 bool "Emulate the CPUCFG instruction << 1702 default y << 1703 depends on CPU_LOONGSON64 << 1704 help << 1705 Loongson-3A R4 and newer have the C << 1706 userland to query CPU capabilities, << 1707 option provides emulation of the in << 1708 cores, back to Loongson-3A1000. << 1709 << 1710 If unsure, please say Y. << 1711 << 1712 config CPU_MIPS32_3_5_FEATURES 1647 config CPU_MIPS32_3_5_FEATURES 1713 bool "MIPS32 Release 3.5 Features" 1648 bool "MIPS32 Release 3.5 Features" 1714 depends on SYS_HAS_CPU_MIPS32_R3_5 1649 depends on SYS_HAS_CPU_MIPS32_R3_5 1715 depends on CPU_MIPS32_R2 || CPU_MIPS3 1650 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1716 CPU_P5600 1651 CPU_P5600 1717 help 1652 help 1718 Choose this option to build a kerne 1653 Choose this option to build a kernel for release 2 or later of the 1719 MIPS32 architecture including featu 1654 MIPS32 architecture including features from the 3.5 release such as 1720 support for Enhanced Virtual Addres 1655 support for Enhanced Virtual Addressing (EVA). 1721 1656 1722 config CPU_MIPS32_3_5_EVA 1657 config CPU_MIPS32_3_5_EVA 1723 bool "Enhanced Virtual Addressing (EV 1658 bool "Enhanced Virtual Addressing (EVA)" 1724 depends on CPU_MIPS32_3_5_FEATURES 1659 depends on CPU_MIPS32_3_5_FEATURES 1725 select EVA 1660 select EVA 1726 default y 1661 default y 1727 help 1662 help 1728 Choose this option if you want to e 1663 Choose this option if you want to enable the Enhanced Virtual 1729 Addressing (EVA) on your MIPS32 cor 1664 Addressing (EVA) on your MIPS32 core (such as proAptiv). 1730 One of its primary benefits is an i 1665 One of its primary benefits is an increase in the maximum size 1731 of lowmem (up to 3GB). If unsure, s 1666 of lowmem (up to 3GB). If unsure, say 'N' here. 1732 1667 1733 config CPU_MIPS32_R5_FEATURES 1668 config CPU_MIPS32_R5_FEATURES 1734 bool "MIPS32 Release 5 Features" 1669 bool "MIPS32 Release 5 Features" 1735 depends on SYS_HAS_CPU_MIPS32_R5 1670 depends on SYS_HAS_CPU_MIPS32_R5 1736 depends on CPU_MIPS32_R2 || CPU_MIPS3 1671 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1737 help 1672 help 1738 Choose this option to build a kerne 1673 Choose this option to build a kernel for release 2 or later of the 1739 MIPS32 architecture including featu 1674 MIPS32 architecture including features from release 5 such as 1740 support for Extended Physical Addre 1675 support for Extended Physical Addressing (XPA). 1741 1676 1742 config CPU_MIPS32_R5_XPA 1677 config CPU_MIPS32_R5_XPA 1743 bool "Extended Physical Addressing (X 1678 bool "Extended Physical Addressing (XPA)" 1744 depends on CPU_MIPS32_R5_FEATURES 1679 depends on CPU_MIPS32_R5_FEATURES 1745 depends on !EVA 1680 depends on !EVA 1746 depends on !PAGE_SIZE_4KB 1681 depends on !PAGE_SIZE_4KB 1747 depends on SYS_SUPPORTS_HIGHMEM 1682 depends on SYS_SUPPORTS_HIGHMEM 1748 select XPA 1683 select XPA 1749 select HIGHMEM 1684 select HIGHMEM 1750 select PHYS_ADDR_T_64BIT 1685 select PHYS_ADDR_T_64BIT 1751 default n 1686 default n 1752 help 1687 help 1753 Choose this option if you want to e 1688 Choose this option if you want to enable the Extended Physical 1754 Addressing (XPA) on your MIPS32 cor 1689 Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1755 benefit is to increase physical add 1690 benefit is to increase physical addressing equal to or greater 1756 than 40 bits. Note that this has th 1691 than 40 bits. Note that this has the side effect of turning on 1757 64-bit addressing which in turn mak 1692 64-bit addressing which in turn makes the PTEs 64-bit in size. 1758 If unsure, say 'N' here. 1693 If unsure, say 'N' here. 1759 1694 1760 if CPU_LOONGSON2F 1695 if CPU_LOONGSON2F 1761 config CPU_NOP_WORKAROUNDS 1696 config CPU_NOP_WORKAROUNDS 1762 bool 1697 bool 1763 1698 1764 config CPU_JUMP_WORKAROUNDS 1699 config CPU_JUMP_WORKAROUNDS 1765 bool 1700 bool 1766 1701 1767 config CPU_LOONGSON2F_WORKAROUNDS 1702 config CPU_LOONGSON2F_WORKAROUNDS 1768 bool "Loongson 2F Workarounds" 1703 bool "Loongson 2F Workarounds" 1769 default y 1704 default y 1770 select CPU_NOP_WORKAROUNDS 1705 select CPU_NOP_WORKAROUNDS 1771 select CPU_JUMP_WORKAROUNDS 1706 select CPU_JUMP_WORKAROUNDS 1772 help 1707 help 1773 Loongson 2F01 / 2F02 processors hav 1708 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1774 require workarounds. Without worka 1709 require workarounds. Without workarounds the system may hang 1775 unexpectedly. For more information 1710 unexpectedly. For more information please refer to the gas 1776 -mfix-loongson2f-nop and -mfix-loon 1711 -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1777 1712 1778 Loongson 2F03 and later have fixed 1713 Loongson 2F03 and later have fixed these issues and no workarounds 1779 are needed. The workarounds have n 1714 are needed. The workarounds have no significant side effect on them 1780 but may decrease the performance of 1715 but may decrease the performance of the system so this option should 1781 be disabled unless the kernel is in 1716 be disabled unless the kernel is intended to be run on 2F01 or 2F02 1782 systems. 1717 systems. 1783 1718 1784 If unsure, please say Y. 1719 If unsure, please say Y. 1785 endif # CPU_LOONGSON2F 1720 endif # CPU_LOONGSON2F 1786 1721 1787 config SYS_SUPPORTS_ZBOOT 1722 config SYS_SUPPORTS_ZBOOT 1788 bool 1723 bool 1789 select HAVE_KERNEL_GZIP 1724 select HAVE_KERNEL_GZIP 1790 select HAVE_KERNEL_BZIP2 1725 select HAVE_KERNEL_BZIP2 1791 select HAVE_KERNEL_LZ4 1726 select HAVE_KERNEL_LZ4 1792 select HAVE_KERNEL_LZMA 1727 select HAVE_KERNEL_LZMA 1793 select HAVE_KERNEL_LZO 1728 select HAVE_KERNEL_LZO 1794 select HAVE_KERNEL_XZ 1729 select HAVE_KERNEL_XZ 1795 select HAVE_KERNEL_ZSTD 1730 select HAVE_KERNEL_ZSTD 1796 1731 1797 config SYS_SUPPORTS_ZBOOT_UART16550 1732 config SYS_SUPPORTS_ZBOOT_UART16550 1798 bool 1733 bool 1799 select SYS_SUPPORTS_ZBOOT 1734 select SYS_SUPPORTS_ZBOOT 1800 1735 1801 config SYS_SUPPORTS_ZBOOT_UART_PROM 1736 config SYS_SUPPORTS_ZBOOT_UART_PROM 1802 bool 1737 bool 1803 select SYS_SUPPORTS_ZBOOT 1738 select SYS_SUPPORTS_ZBOOT 1804 1739 1805 config CPU_LOONGSON2EF 1740 config CPU_LOONGSON2EF 1806 bool 1741 bool 1807 select CPU_SUPPORTS_32BIT_KERNEL 1742 select CPU_SUPPORTS_32BIT_KERNEL 1808 select CPU_SUPPORTS_64BIT_KERNEL 1743 select CPU_SUPPORTS_64BIT_KERNEL 1809 select CPU_SUPPORTS_HIGHMEM 1744 select CPU_SUPPORTS_HIGHMEM 1810 select CPU_SUPPORTS_HUGEPAGES 1745 select CPU_SUPPORTS_HUGEPAGES 1811 1746 1812 config CPU_LOONGSON32 1747 config CPU_LOONGSON32 1813 bool 1748 bool 1814 select CPU_MIPS32 1749 select CPU_MIPS32 1815 select CPU_MIPSR2 1750 select CPU_MIPSR2 1816 select CPU_HAS_PREFETCH 1751 select CPU_HAS_PREFETCH 1817 select CPU_SUPPORTS_32BIT_KERNEL 1752 select CPU_SUPPORTS_32BIT_KERNEL 1818 select CPU_SUPPORTS_HIGHMEM 1753 select CPU_SUPPORTS_HIGHMEM 1819 select CPU_SUPPORTS_CPUFREQ 1754 select CPU_SUPPORTS_CPUFREQ 1820 1755 1821 config CPU_BMIPS32_3300 1756 config CPU_BMIPS32_3300 1822 select SMP_UP if SMP 1757 select SMP_UP if SMP 1823 bool 1758 bool 1824 1759 1825 config CPU_BMIPS4350 1760 config CPU_BMIPS4350 1826 bool 1761 bool 1827 select SYS_SUPPORTS_SMP 1762 select SYS_SUPPORTS_SMP 1828 select SYS_SUPPORTS_HOTPLUG_CPU 1763 select SYS_SUPPORTS_HOTPLUG_CPU 1829 1764 1830 config CPU_BMIPS4380 1765 config CPU_BMIPS4380 1831 bool 1766 bool 1832 select MIPS_L1_CACHE_SHIFT_6 1767 select MIPS_L1_CACHE_SHIFT_6 1833 select SYS_SUPPORTS_SMP 1768 select SYS_SUPPORTS_SMP 1834 select SYS_SUPPORTS_HOTPLUG_CPU 1769 select SYS_SUPPORTS_HOTPLUG_CPU 1835 select CPU_HAS_RIXI 1770 select CPU_HAS_RIXI 1836 1771 1837 config CPU_BMIPS5000 1772 config CPU_BMIPS5000 1838 bool 1773 bool 1839 select MIPS_CPU_SCACHE 1774 select MIPS_CPU_SCACHE 1840 select MIPS_L1_CACHE_SHIFT_7 1775 select MIPS_L1_CACHE_SHIFT_7 1841 select SYS_SUPPORTS_SMP 1776 select SYS_SUPPORTS_SMP 1842 select SYS_SUPPORTS_HOTPLUG_CPU 1777 select SYS_SUPPORTS_HOTPLUG_CPU 1843 select CPU_HAS_RIXI 1778 select CPU_HAS_RIXI 1844 1779 1845 config SYS_HAS_CPU_LOONGSON64 1780 config SYS_HAS_CPU_LOONGSON64 1846 bool 1781 bool 1847 select CPU_SUPPORTS_CPUFREQ 1782 select CPU_SUPPORTS_CPUFREQ 1848 select CPU_HAS_RIXI 1783 select CPU_HAS_RIXI 1849 1784 1850 config SYS_HAS_CPU_LOONGSON2E 1785 config SYS_HAS_CPU_LOONGSON2E 1851 bool 1786 bool 1852 1787 1853 config SYS_HAS_CPU_LOONGSON2F 1788 config SYS_HAS_CPU_LOONGSON2F 1854 bool 1789 bool 1855 select CPU_SUPPORTS_CPUFREQ 1790 select CPU_SUPPORTS_CPUFREQ 1856 select CPU_SUPPORTS_ADDRWINCFG if 64B 1791 select CPU_SUPPORTS_ADDRWINCFG if 64BIT 1857 1792 1858 config SYS_HAS_CPU_LOONGSON1B 1793 config SYS_HAS_CPU_LOONGSON1B 1859 bool 1794 bool 1860 1795 1861 config SYS_HAS_CPU_LOONGSON1C 1796 config SYS_HAS_CPU_LOONGSON1C 1862 bool 1797 bool 1863 1798 1864 config SYS_HAS_CPU_MIPS32_R1 1799 config SYS_HAS_CPU_MIPS32_R1 1865 bool 1800 bool 1866 1801 1867 config SYS_HAS_CPU_MIPS32_R2 1802 config SYS_HAS_CPU_MIPS32_R2 1868 bool 1803 bool 1869 1804 1870 config SYS_HAS_CPU_MIPS32_R3_5 1805 config SYS_HAS_CPU_MIPS32_R3_5 1871 bool 1806 bool 1872 1807 1873 config SYS_HAS_CPU_MIPS32_R5 1808 config SYS_HAS_CPU_MIPS32_R5 1874 bool 1809 bool 1875 1810 1876 config SYS_HAS_CPU_MIPS32_R6 1811 config SYS_HAS_CPU_MIPS32_R6 1877 bool 1812 bool 1878 1813 1879 config SYS_HAS_CPU_MIPS64_R1 1814 config SYS_HAS_CPU_MIPS64_R1 1880 bool 1815 bool 1881 1816 1882 config SYS_HAS_CPU_MIPS64_R2 1817 config SYS_HAS_CPU_MIPS64_R2 1883 bool 1818 bool 1884 1819 1885 config SYS_HAS_CPU_MIPS64_R5 1820 config SYS_HAS_CPU_MIPS64_R5 1886 bool 1821 bool 1887 1822 1888 config SYS_HAS_CPU_MIPS64_R6 1823 config SYS_HAS_CPU_MIPS64_R6 1889 bool 1824 bool 1890 1825 1891 config SYS_HAS_CPU_P5600 1826 config SYS_HAS_CPU_P5600 1892 bool 1827 bool 1893 1828 1894 config SYS_HAS_CPU_R3000 1829 config SYS_HAS_CPU_R3000 1895 bool 1830 bool 1896 1831 1897 config SYS_HAS_CPU_R4300 1832 config SYS_HAS_CPU_R4300 1898 bool 1833 bool 1899 1834 1900 config SYS_HAS_CPU_R4X00 1835 config SYS_HAS_CPU_R4X00 1901 bool 1836 bool 1902 1837 1903 config SYS_HAS_CPU_TX49XX 1838 config SYS_HAS_CPU_TX49XX 1904 bool 1839 bool 1905 1840 1906 config SYS_HAS_CPU_R5000 1841 config SYS_HAS_CPU_R5000 1907 bool 1842 bool 1908 1843 1909 config SYS_HAS_CPU_R5500 1844 config SYS_HAS_CPU_R5500 1910 bool 1845 bool 1911 1846 1912 config SYS_HAS_CPU_NEVADA 1847 config SYS_HAS_CPU_NEVADA 1913 bool 1848 bool 1914 1849 1915 config SYS_HAS_CPU_R10000 1850 config SYS_HAS_CPU_R10000 1916 bool 1851 bool 1917 1852 1918 config SYS_HAS_CPU_RM7000 1853 config SYS_HAS_CPU_RM7000 1919 bool 1854 bool 1920 1855 1921 config SYS_HAS_CPU_SB1 1856 config SYS_HAS_CPU_SB1 1922 bool 1857 bool 1923 1858 1924 config SYS_HAS_CPU_CAVIUM_OCTEON 1859 config SYS_HAS_CPU_CAVIUM_OCTEON 1925 bool 1860 bool 1926 1861 1927 config SYS_HAS_CPU_BMIPS 1862 config SYS_HAS_CPU_BMIPS 1928 bool 1863 bool 1929 1864 1930 config SYS_HAS_CPU_BMIPS32_3300 1865 config SYS_HAS_CPU_BMIPS32_3300 1931 bool 1866 bool 1932 select SYS_HAS_CPU_BMIPS 1867 select SYS_HAS_CPU_BMIPS 1933 1868 1934 config SYS_HAS_CPU_BMIPS4350 1869 config SYS_HAS_CPU_BMIPS4350 1935 bool 1870 bool 1936 select SYS_HAS_CPU_BMIPS 1871 select SYS_HAS_CPU_BMIPS 1937 1872 1938 config SYS_HAS_CPU_BMIPS4380 1873 config SYS_HAS_CPU_BMIPS4380 1939 bool 1874 bool 1940 select SYS_HAS_CPU_BMIPS 1875 select SYS_HAS_CPU_BMIPS 1941 1876 1942 config SYS_HAS_CPU_BMIPS5000 1877 config SYS_HAS_CPU_BMIPS5000 1943 bool 1878 bool 1944 select SYS_HAS_CPU_BMIPS 1879 select SYS_HAS_CPU_BMIPS 1945 1880 1946 # 1881 # 1947 # CPU may reorder R->R, R->W, W->R, W->W 1882 # CPU may reorder R->R, R->W, W->R, W->W 1948 # Reordering beyond LL and SC is handled in W 1883 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 1949 # 1884 # 1950 config WEAK_ORDERING 1885 config WEAK_ORDERING 1951 bool 1886 bool 1952 1887 1953 # 1888 # 1954 # CPU may reorder reads and writes beyond LL/ 1889 # CPU may reorder reads and writes beyond LL/SC 1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1890 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 1956 # 1891 # 1957 config WEAK_REORDERING_BEYOND_LLSC 1892 config WEAK_REORDERING_BEYOND_LLSC 1958 bool 1893 bool 1959 endmenu 1894 endmenu 1960 1895 1961 # 1896 # 1962 # These two indicate any level of the MIPS32 1897 # These two indicate any level of the MIPS32 and MIPS64 architecture 1963 # 1898 # 1964 config CPU_MIPS32 1899 config CPU_MIPS32 1965 bool 1900 bool 1966 default y if CPU_MIPS32_R1 || CPU_MIP 1901 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 1967 CPU_MIPS32_R6 || CPU_P56 1902 CPU_MIPS32_R6 || CPU_P5600 1968 1903 1969 config CPU_MIPS64 1904 config CPU_MIPS64 1970 bool 1905 bool 1971 default y if CPU_MIPS64_R1 || CPU_MIP 1906 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 1972 CPU_MIPS64_R6 || CPU_LOO 1907 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 1973 1908 1974 # 1909 # 1975 # These indicate the revision of the architec 1910 # These indicate the revision of the architecture 1976 # 1911 # 1977 config CPU_MIPSR1 1912 config CPU_MIPSR1 1978 bool 1913 bool 1979 default y if CPU_MIPS32_R1 || CPU_MIP 1914 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 1980 1915 1981 config CPU_MIPSR2 1916 config CPU_MIPSR2 1982 bool 1917 bool 1983 default y if CPU_MIPS32_R2 || CPU_MIP 1918 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1984 select CPU_HAS_RIXI 1919 select CPU_HAS_RIXI 1985 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1920 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 1986 select MIPS_SPRAM 1921 select MIPS_SPRAM 1987 1922 1988 config CPU_MIPSR5 1923 config CPU_MIPSR5 1989 bool 1924 bool 1990 default y if CPU_MIPS32_R5 || CPU_MIP 1925 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 1991 select CPU_HAS_RIXI 1926 select CPU_HAS_RIXI 1992 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1927 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 1993 select MIPS_SPRAM 1928 select MIPS_SPRAM 1994 1929 1995 config CPU_MIPSR6 1930 config CPU_MIPSR6 1996 bool 1931 bool 1997 default y if CPU_MIPS32_R6 || CPU_MIP 1932 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1998 select CPU_HAS_RIXI 1933 select CPU_HAS_RIXI 1999 select CPU_HAS_DIEI if !CPU_DIEI_BROK 1934 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2000 select HAVE_ARCH_BITREVERSE 1935 select HAVE_ARCH_BITREVERSE 2001 select MIPS_ASID_BITS_VARIABLE 1936 select MIPS_ASID_BITS_VARIABLE 2002 select MIPS_CRC_SUPPORT 1937 select MIPS_CRC_SUPPORT 2003 select MIPS_SPRAM 1938 select MIPS_SPRAM 2004 1939 2005 config TARGET_ISA_REV 1940 config TARGET_ISA_REV 2006 int 1941 int 2007 default 1 if CPU_MIPSR1 1942 default 1 if CPU_MIPSR1 2008 default 2 if CPU_MIPSR2 1943 default 2 if CPU_MIPSR2 2009 default 5 if CPU_MIPSR5 1944 default 5 if CPU_MIPSR5 2010 default 6 if CPU_MIPSR6 1945 default 6 if CPU_MIPSR6 2011 default 0 1946 default 0 2012 help 1947 help 2013 Reflects the ISA revision being tar 1948 Reflects the ISA revision being targeted by the kernel build. This 2014 is effectively the Kconfig equivale 1949 is effectively the Kconfig equivalent of MIPS_ISA_REV. 2015 1950 2016 config EVA 1951 config EVA 2017 bool 1952 bool 2018 1953 2019 config XPA 1954 config XPA 2020 bool 1955 bool 2021 1956 2022 config SYS_SUPPORTS_32BIT_KERNEL 1957 config SYS_SUPPORTS_32BIT_KERNEL 2023 bool 1958 bool 2024 config SYS_SUPPORTS_64BIT_KERNEL 1959 config SYS_SUPPORTS_64BIT_KERNEL 2025 bool 1960 bool 2026 config CPU_SUPPORTS_32BIT_KERNEL 1961 config CPU_SUPPORTS_32BIT_KERNEL 2027 bool 1962 bool 2028 config CPU_SUPPORTS_64BIT_KERNEL 1963 config CPU_SUPPORTS_64BIT_KERNEL 2029 bool 1964 bool 2030 config CPU_SUPPORTS_CPUFREQ 1965 config CPU_SUPPORTS_CPUFREQ 2031 bool 1966 bool 2032 config CPU_SUPPORTS_ADDRWINCFG 1967 config CPU_SUPPORTS_ADDRWINCFG 2033 bool 1968 bool 2034 config CPU_SUPPORTS_HUGEPAGES 1969 config CPU_SUPPORTS_HUGEPAGES 2035 bool 1970 bool 2036 depends on !(32BIT && (PHYS_ADDR_T_64 1971 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA)) 2037 config CPU_SUPPORTS_VZ << 2038 bool << 2039 config MIPS_PGD_C0_CONTEXT 1972 config MIPS_PGD_C0_CONTEXT 2040 bool 1973 bool 2041 depends on 64BIT 1974 depends on 64BIT 2042 default y if (CPU_MIPSR2 || CPU_MIPSR 1975 default y if (CPU_MIPSR2 || CPU_MIPSR6) 2043 1976 2044 # 1977 # 2045 # Set to y for ptrace access to watch registe 1978 # Set to y for ptrace access to watch registers. 2046 # 1979 # 2047 config HARDWARE_WATCHPOINTS 1980 config HARDWARE_WATCHPOINTS 2048 bool 1981 bool 2049 default y if CPU_MIPSR1 || CPU_MIPSR2 1982 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 2050 1983 2051 menu "Kernel type" 1984 menu "Kernel type" 2052 1985 2053 choice 1986 choice 2054 prompt "Kernel code model" 1987 prompt "Kernel code model" 2055 help 1988 help 2056 You should only select this option 1989 You should only select this option if you have a workload that 2057 actually benefits from 64-bit proce 1990 actually benefits from 64-bit processing or if your machine has 2058 large memory. You will only be pre 1991 large memory. You will only be presented a single option in this 2059 menu if your system does not suppor 1992 menu if your system does not support both 32-bit and 64-bit kernels. 2060 1993 2061 config 32BIT 1994 config 32BIT 2062 bool "32-bit kernel" 1995 bool "32-bit kernel" 2063 depends on CPU_SUPPORTS_32BIT_KERNEL 1996 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 2064 select TRAD_SIGNALS 1997 select TRAD_SIGNALS 2065 help 1998 help 2066 Select this option if you want to b 1999 Select this option if you want to build a 32-bit kernel. 2067 2000 2068 config 64BIT 2001 config 64BIT 2069 bool "64-bit kernel" 2002 bool "64-bit kernel" 2070 depends on CPU_SUPPORTS_64BIT_KERNEL 2003 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 2071 help 2004 help 2072 Select this option if you want to b 2005 Select this option if you want to build a 64-bit kernel. 2073 2006 2074 endchoice 2007 endchoice 2075 2008 2076 config MIPS_VA_BITS_48 2009 config MIPS_VA_BITS_48 2077 bool "48 bits virtual memory" 2010 bool "48 bits virtual memory" 2078 depends on 64BIT 2011 depends on 64BIT 2079 help 2012 help 2080 Support a maximum at least 48 bits 2013 Support a maximum at least 48 bits of application virtual 2081 memory. Default is 40 bits or less 2014 memory. Default is 40 bits or less, depending on the CPU. 2082 For page sizes 16k and above, this 2015 For page sizes 16k and above, this option results in a small 2083 memory overhead for page tables. F 2016 memory overhead for page tables. For 4k page size, a fourth 2084 level of page tables is added which 2017 level of page tables is added which imposes both a memory 2085 overhead as well as slower TLB faul 2018 overhead as well as slower TLB fault handling. 2086 2019 2087 If unsure, say N. 2020 If unsure, say N. 2088 2021 2089 config ZBOOT_LOAD_ADDRESS 2022 config ZBOOT_LOAD_ADDRESS 2090 hex "Compressed kernel load address" 2023 hex "Compressed kernel load address" 2091 default 0xffffffff80400000 if BCM47XX 2024 default 0xffffffff80400000 if BCM47XX 2092 default 0x0 2025 default 0x0 2093 depends on SYS_SUPPORTS_ZBOOT 2026 depends on SYS_SUPPORTS_ZBOOT 2094 help 2027 help 2095 The address to load compressed kern 2028 The address to load compressed kernel, aka vmlinuz. 2096 2029 2097 This is only used if non-zero. 2030 This is only used if non-zero. 2098 2031 >> 2032 choice >> 2033 prompt "Kernel page size" >> 2034 default PAGE_SIZE_4KB >> 2035 >> 2036 config PAGE_SIZE_4KB >> 2037 bool "4kB" >> 2038 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 >> 2039 help >> 2040 This option select the standard 4kB Linux page size. On some >> 2041 R3000-family processors this is the only available page size. Using >> 2042 4kB page size will minimize memory consumption and is therefore >> 2043 recommended for low memory systems. >> 2044 >> 2045 config PAGE_SIZE_8KB >> 2046 bool "8kB" >> 2047 depends on CPU_CAVIUM_OCTEON >> 2048 depends on !MIPS_VA_BITS_48 >> 2049 help >> 2050 Using 8kB page size will result in higher performance kernel at >> 2051 the price of higher memory consumption. This option is available >> 2052 only on cnMIPS processors. Note that you will need a suitable Linux >> 2053 distribution to support this. >> 2054 >> 2055 config PAGE_SIZE_16KB >> 2056 bool "16kB" >> 2057 depends on !CPU_R3000 >> 2058 help >> 2059 Using 16kB page size will result in higher performance kernel at >> 2060 the price of higher memory consumption. This option is available on >> 2061 all non-R3000 family processors. Note that you will need a suitable >> 2062 Linux distribution to support this. >> 2063 >> 2064 config PAGE_SIZE_32KB >> 2065 bool "32kB" >> 2066 depends on CPU_CAVIUM_OCTEON >> 2067 depends on !MIPS_VA_BITS_48 >> 2068 help >> 2069 Using 32kB page size will result in higher performance kernel at >> 2070 the price of higher memory consumption. This option is available >> 2071 only on cnMIPS cores. Note that you will need a suitable Linux >> 2072 distribution to support this. >> 2073 >> 2074 config PAGE_SIZE_64KB >> 2075 bool "64kB" >> 2076 depends on !CPU_R3000 >> 2077 help >> 2078 Using 64kB page size will result in higher performance kernel at >> 2079 the price of higher memory consumption. This option is available on >> 2080 all non-R3000 family processor. Not that at the time of this >> 2081 writing this option is still high experimental. >> 2082 >> 2083 endchoice >> 2084 2099 config ARCH_FORCE_MAX_ORDER 2085 config ARCH_FORCE_MAX_ORDER 2100 int "Maximum zone order" 2086 int "Maximum zone order" 2101 default "13" if MIPS_HUGE_TLB_SUPPORT 2087 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2102 default "12" if MIPS_HUGE_TLB_SUPPORT 2088 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2103 default "11" if MIPS_HUGE_TLB_SUPPORT 2089 default "11" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2104 default "10" 2090 default "10" 2105 help 2091 help 2106 The kernel memory allocator divides 2092 The kernel memory allocator divides physically contiguous memory 2107 blocks into "zones", where each zon 2093 blocks into "zones", where each zone is a power of two number of 2108 pages. This option selects the lar 2094 pages. This option selects the largest power of two that the kernel 2109 keeps in the memory allocator. If 2095 keeps in the memory allocator. If you need to allocate very large 2110 blocks of physically contiguous mem 2096 blocks of physically contiguous memory, then you may need to 2111 increase this value. 2097 increase this value. 2112 2098 2113 The page size is not necessarily 4K 2099 The page size is not necessarily 4KB. Keep this in mind 2114 when choosing a value for this opti 2100 when choosing a value for this option. 2115 2101 2116 config BOARD_SCACHE 2102 config BOARD_SCACHE 2117 bool 2103 bool 2118 2104 2119 config IP22_CPU_SCACHE 2105 config IP22_CPU_SCACHE 2120 bool 2106 bool 2121 select BOARD_SCACHE 2107 select BOARD_SCACHE 2122 2108 2123 # 2109 # 2124 # Support for a MIPS32 / MIPS64 style S-cache 2110 # Support for a MIPS32 / MIPS64 style S-caches 2125 # 2111 # 2126 config MIPS_CPU_SCACHE 2112 config MIPS_CPU_SCACHE 2127 bool 2113 bool 2128 select BOARD_SCACHE 2114 select BOARD_SCACHE 2129 2115 2130 config R5000_CPU_SCACHE 2116 config R5000_CPU_SCACHE 2131 bool 2117 bool 2132 select BOARD_SCACHE 2118 select BOARD_SCACHE 2133 2119 2134 config RM7000_CPU_SCACHE 2120 config RM7000_CPU_SCACHE 2135 bool 2121 bool 2136 select BOARD_SCACHE 2122 select BOARD_SCACHE 2137 2123 2138 config SIBYTE_DMA_PAGEOPS 2124 config SIBYTE_DMA_PAGEOPS 2139 bool "Use DMA to clear/copy pages" 2125 bool "Use DMA to clear/copy pages" 2140 depends on CPU_SB1 2126 depends on CPU_SB1 2141 help 2127 help 2142 Instead of using the CPU to zero an 2128 Instead of using the CPU to zero and copy pages, use a Data Mover 2143 channel. These DMA channels are ot 2129 channel. These DMA channels are otherwise unused by the standard 2144 SiByte Linux port. Seems to give a 2130 SiByte Linux port. Seems to give a small performance benefit. 2145 2131 2146 config CPU_HAS_PREFETCH 2132 config CPU_HAS_PREFETCH 2147 bool 2133 bool 2148 2134 2149 config CPU_GENERIC_DUMP_TLB 2135 config CPU_GENERIC_DUMP_TLB 2150 bool 2136 bool 2151 default y if !CPU_R3000 2137 default y if !CPU_R3000 2152 2138 2153 config MIPS_FP_SUPPORT 2139 config MIPS_FP_SUPPORT 2154 bool "Floating Point support" if EXPE 2140 bool "Floating Point support" if EXPERT 2155 default y 2141 default y 2156 help 2142 help 2157 Select y to include support for flo 2143 Select y to include support for floating point in the kernel 2158 including initialization of FPU har 2144 including initialization of FPU hardware, FP context save & restore 2159 and emulation of an FPU where neces 2145 and emulation of an FPU where necessary. Without this support any 2160 userland program attempting to use 2146 userland program attempting to use floating point instructions will 2161 receive a SIGILL. 2147 receive a SIGILL. 2162 2148 2163 If you know that your userland will 2149 If you know that your userland will not attempt to use floating point 2164 instructions then you can say n her 2150 instructions then you can say n here to shrink the kernel a little. 2165 2151 2166 If unsure, say y. 2152 If unsure, say y. 2167 2153 2168 config CPU_R2300_FPU 2154 config CPU_R2300_FPU 2169 bool 2155 bool 2170 depends on MIPS_FP_SUPPORT 2156 depends on MIPS_FP_SUPPORT 2171 default y if CPU_R3000 2157 default y if CPU_R3000 2172 2158 2173 config CPU_R3K_TLB 2159 config CPU_R3K_TLB 2174 bool 2160 bool 2175 2161 2176 config CPU_R4K_FPU 2162 config CPU_R4K_FPU 2177 bool 2163 bool 2178 depends on MIPS_FP_SUPPORT 2164 depends on MIPS_FP_SUPPORT 2179 default y if !CPU_R2300_FPU 2165 default y if !CPU_R2300_FPU 2180 2166 2181 config CPU_R4K_CACHE_TLB 2167 config CPU_R4K_CACHE_TLB 2182 bool 2168 bool 2183 default y if !(CPU_R3K_TLB || CPU_SB1 2169 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 2184 2170 2185 config MIPS_MT_SMP 2171 config MIPS_MT_SMP 2186 bool "MIPS MT SMP support (1 TC on ea 2172 bool "MIPS MT SMP support (1 TC on each available VPE)" 2187 default y 2173 default y 2188 depends on TARGET_ISA_REV > 0 && TARG !! 2174 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 2189 depends on SYS_SUPPORTS_MULTITHREADIN << 2190 select CPU_MIPSR2_IRQ_VI 2175 select CPU_MIPSR2_IRQ_VI 2191 select CPU_MIPSR2_IRQ_EI 2176 select CPU_MIPSR2_IRQ_EI 2192 select SYNC_R4K 2177 select SYNC_R4K 2193 select MIPS_MT 2178 select MIPS_MT 2194 select SMP 2179 select SMP 2195 select SMP_UP 2180 select SMP_UP 2196 select SYS_SUPPORTS_SMP 2181 select SYS_SUPPORTS_SMP 2197 select SYS_SUPPORTS_SCHED_SMT 2182 select SYS_SUPPORTS_SCHED_SMT 2198 select MIPS_PERF_SHARED_TC_COUNTERS 2183 select MIPS_PERF_SHARED_TC_COUNTERS 2199 help 2184 help 2200 This is a kernel model which is kno 2185 This is a kernel model which is known as SMVP. This is supported 2201 on cores with the MT ASE and uses t 2186 on cores with the MT ASE and uses the available VPEs to implement 2202 virtual processors which supports S 2187 virtual processors which supports SMP. This is equivalent to the 2203 Intel Hyperthreading feature. For f 2188 Intel Hyperthreading feature. For further information go to 2204 <http://www.imgtec.com/mips/mips-mu 2189 <http://www.imgtec.com/mips/mips-multithreading.asp>. 2205 2190 2206 config MIPS_MT 2191 config MIPS_MT 2207 bool 2192 bool 2208 2193 2209 config SCHED_SMT 2194 config SCHED_SMT 2210 bool "SMT (multithreading) scheduler 2195 bool "SMT (multithreading) scheduler support" 2211 depends on SYS_SUPPORTS_SCHED_SMT 2196 depends on SYS_SUPPORTS_SCHED_SMT 2212 default n 2197 default n 2213 help 2198 help 2214 SMT scheduler support improves the 2199 SMT scheduler support improves the CPU scheduler's decision making 2215 when dealing with MIPS MT enabled c 2200 when dealing with MIPS MT enabled cores at a cost of slightly 2216 increased overhead in some places. 2201 increased overhead in some places. If unsure say N here. 2217 2202 2218 config SYS_SUPPORTS_SCHED_SMT 2203 config SYS_SUPPORTS_SCHED_SMT 2219 bool 2204 bool 2220 2205 2221 config SYS_SUPPORTS_MULTITHREADING 2206 config SYS_SUPPORTS_MULTITHREADING 2222 bool 2207 bool 2223 2208 2224 config MIPS_MT_FPAFF 2209 config MIPS_MT_FPAFF 2225 bool "Dynamic FPU affinity for FP-int 2210 bool "Dynamic FPU affinity for FP-intensive threads" 2226 default y 2211 default y 2227 depends on MIPS_MT_SMP 2212 depends on MIPS_MT_SMP 2228 2213 2229 config MIPSR2_TO_R6_EMULATOR 2214 config MIPSR2_TO_R6_EMULATOR 2230 bool "MIPS R2-to-R6 emulator" 2215 bool "MIPS R2-to-R6 emulator" 2231 depends on CPU_MIPSR6 2216 depends on CPU_MIPSR6 2232 depends on MIPS_FP_SUPPORT 2217 depends on MIPS_FP_SUPPORT 2233 default y 2218 default y 2234 help 2219 help 2235 Choose this option if you want to r 2220 Choose this option if you want to run non-R6 MIPS userland code. 2236 Even if you say 'Y' here, the emula 2221 Even if you say 'Y' here, the emulator will still be disabled by 2237 default. You can enable it using th 2222 default. You can enable it using the 'mipsr2emu' kernel option. 2238 The only reason this is a build-tim 2223 The only reason this is a build-time option is to save ~14K from the 2239 final kernel image. 2224 final kernel image. 2240 2225 2241 config SYS_SUPPORTS_VPE_LOADER 2226 config SYS_SUPPORTS_VPE_LOADER 2242 bool 2227 bool 2243 depends on SYS_SUPPORTS_MULTITHREADIN 2228 depends on SYS_SUPPORTS_MULTITHREADING 2244 help 2229 help 2245 Indicates that the platform support 2230 Indicates that the platform supports the VPE loader, and provides 2246 physical_memsize. 2231 physical_memsize. 2247 2232 2248 config MIPS_VPE_LOADER 2233 config MIPS_VPE_LOADER 2249 bool "VPE loader support." 2234 bool "VPE loader support." 2250 depends on SYS_SUPPORTS_VPE_LOADER && 2235 depends on SYS_SUPPORTS_VPE_LOADER && MODULES 2251 select CPU_MIPSR2_IRQ_VI 2236 select CPU_MIPSR2_IRQ_VI 2252 select CPU_MIPSR2_IRQ_EI 2237 select CPU_MIPSR2_IRQ_EI 2253 select MIPS_MT 2238 select MIPS_MT 2254 help 2239 help 2255 Includes a loader for loading an el 2240 Includes a loader for loading an elf relocatable object 2256 onto another VPE and running it. 2241 onto another VPE and running it. 2257 2242 2258 config MIPS_VPE_LOADER_MT 2243 config MIPS_VPE_LOADER_MT 2259 bool 2244 bool 2260 default "y" 2245 default "y" 2261 depends on MIPS_VPE_LOADER 2246 depends on MIPS_VPE_LOADER 2262 2247 2263 config MIPS_VPE_LOADER_TOM 2248 config MIPS_VPE_LOADER_TOM 2264 bool "Load VPE program into memory hi 2249 bool "Load VPE program into memory hidden from linux" 2265 depends on MIPS_VPE_LOADER 2250 depends on MIPS_VPE_LOADER 2266 default y 2251 default y 2267 help 2252 help 2268 The loader can use memory that is p 2253 The loader can use memory that is present but has been hidden from 2269 Linux using the kernel command line 2254 Linux using the kernel command line option "mem=xxMB". It's up to 2270 you to ensure the amount you put in 2255 you to ensure the amount you put in the option and the space your 2271 program requires is less or equal t 2256 program requires is less or equal to the amount physically present. 2272 2257 2273 config MIPS_VPE_APSP_API 2258 config MIPS_VPE_APSP_API 2274 bool "Enable support for AP/SP API (R 2259 bool "Enable support for AP/SP API (RTLX)" 2275 depends on MIPS_VPE_LOADER 2260 depends on MIPS_VPE_LOADER 2276 2261 2277 config MIPS_VPE_APSP_API_MT 2262 config MIPS_VPE_APSP_API_MT 2278 bool 2263 bool 2279 default "y" 2264 default "y" 2280 depends on MIPS_VPE_APSP_API 2265 depends on MIPS_VPE_APSP_API 2281 2266 2282 config MIPS_CPS 2267 config MIPS_CPS 2283 bool "MIPS Coherent Processing System 2268 bool "MIPS Coherent Processing System support" 2284 depends on SYS_SUPPORTS_MIPS_CPS 2269 depends on SYS_SUPPORTS_MIPS_CPS 2285 select MIPS_CM 2270 select MIPS_CM 2286 select MIPS_CPS_PM if HOTPLUG_CPU 2271 select MIPS_CPS_PM if HOTPLUG_CPU 2287 select SMP 2272 select SMP 2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP 2273 select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU 2289 select SYNC_R4K if (CEVT_R4K || CSRC_ 2274 select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 2290 select SYS_SUPPORTS_HOTPLUG_CPU 2275 select SYS_SUPPORTS_HOTPLUG_CPU 2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ 2276 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 2292 select SYS_SUPPORTS_SMP 2277 select SYS_SUPPORTS_SMP 2293 select WEAK_ORDERING 2278 select WEAK_ORDERING 2294 select GENERIC_IRQ_MIGRATION if HOTPL 2279 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 2295 help 2280 help 2296 Select this if you wish to run an S 2281 Select this if you wish to run an SMP kernel across multiple cores 2297 within a MIPS Coherent Processing S 2282 within a MIPS Coherent Processing System. When this option is 2298 enabled the kernel will probe for o 2283 enabled the kernel will probe for other cores and boot them with 2299 no external assistance. It is safe 2284 no external assistance. It is safe to enable this when hardware 2300 support is unavailable. 2285 support is unavailable. 2301 2286 2302 config MIPS_CPS_PM 2287 config MIPS_CPS_PM 2303 depends on MIPS_CPS 2288 depends on MIPS_CPS 2304 bool 2289 bool 2305 2290 2306 config MIPS_CM 2291 config MIPS_CM 2307 bool 2292 bool 2308 select MIPS_CPC 2293 select MIPS_CPC 2309 2294 2310 config MIPS_CPC 2295 config MIPS_CPC 2311 bool 2296 bool 2312 2297 2313 config SB1_PASS_2_WORKAROUNDS 2298 config SB1_PASS_2_WORKAROUNDS 2314 bool 2299 bool 2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 2300 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 2316 default y 2301 default y 2317 2302 2318 config SB1_PASS_2_1_WORKAROUNDS 2303 config SB1_PASS_2_1_WORKAROUNDS 2319 bool 2304 bool 2320 depends on CPU_SB1 && CPU_SB1_PASS_2 2305 depends on CPU_SB1 && CPU_SB1_PASS_2 2321 default y 2306 default y 2322 2307 2323 choice 2308 choice 2324 prompt "SmartMIPS or microMIPS ASE su 2309 prompt "SmartMIPS or microMIPS ASE support" 2325 2310 2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2311 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 2327 bool "None" 2312 bool "None" 2328 help 2313 help 2329 Select this if you want neither mic 2314 Select this if you want neither microMIPS nor SmartMIPS support 2330 2315 2331 config CPU_HAS_SMARTMIPS 2316 config CPU_HAS_SMARTMIPS 2332 depends on SYS_SUPPORTS_SMARTMIPS 2317 depends on SYS_SUPPORTS_SMARTMIPS 2333 bool "SmartMIPS" 2318 bool "SmartMIPS" 2334 help 2319 help 2335 SmartMIPS is a extension of the MIP 2320 SmartMIPS is a extension of the MIPS32 architecture aimed at 2336 increased security at both hardware 2321 increased security at both hardware and software level for 2337 smartcards. Enabling this option w 2322 smartcards. Enabling this option will allow proper use of the 2338 SmartMIPS instructions by Linux app 2323 SmartMIPS instructions by Linux applications. However a kernel with 2339 this option will not work on a MIPS 2324 this option will not work on a MIPS core without SmartMIPS core. If 2340 you don't know you probably don't h 2325 you don't know you probably don't have SmartMIPS and should say N 2341 here. 2326 here. 2342 2327 2343 config CPU_MICROMIPS 2328 config CPU_MICROMIPS 2344 depends on 32BIT && SYS_SUPPORTS_MICR 2329 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 2345 bool "microMIPS" 2330 bool "microMIPS" 2346 help 2331 help 2347 When this option is enabled the ker 2332 When this option is enabled the kernel will be built using the 2348 microMIPS ISA 2333 microMIPS ISA 2349 2334 2350 endchoice 2335 endchoice 2351 2336 2352 config CPU_HAS_MSA 2337 config CPU_HAS_MSA 2353 bool "Support for the MIPS SIMD Archi 2338 bool "Support for the MIPS SIMD Architecture" 2354 depends on CPU_SUPPORTS_MSA 2339 depends on CPU_SUPPORTS_MSA 2355 depends on MIPS_FP_SUPPORT 2340 depends on MIPS_FP_SUPPORT 2356 depends on 64BIT || MIPS_O32_FP64_SUP 2341 depends on 64BIT || MIPS_O32_FP64_SUPPORT 2357 help 2342 help 2358 MIPS SIMD Architecture (MSA) introd 2343 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2359 and a set of SIMD instructions to o 2344 and a set of SIMD instructions to operate on them. When this option 2360 is enabled the kernel will support 2345 is enabled the kernel will support allocating & switching MSA 2361 vector register contexts. If you kn 2346 vector register contexts. If you know that your kernel will only be 2362 running on CPUs which do not suppor 2347 running on CPUs which do not support MSA or that your userland will 2363 not be making use of it then you ma 2348 not be making use of it then you may wish to say N here to reduce 2364 the size & complexity of your kerne 2349 the size & complexity of your kernel. 2365 2350 2366 If unsure, say Y. 2351 If unsure, say Y. 2367 2352 2368 config CPU_HAS_WB 2353 config CPU_HAS_WB 2369 bool 2354 bool 2370 2355 2371 config XKS01 2356 config XKS01 2372 bool 2357 bool 2373 2358 2374 config CPU_HAS_DIEI 2359 config CPU_HAS_DIEI 2375 depends on !CPU_DIEI_BROKEN 2360 depends on !CPU_DIEI_BROKEN 2376 bool 2361 bool 2377 2362 2378 config CPU_DIEI_BROKEN 2363 config CPU_DIEI_BROKEN 2379 bool 2364 bool 2380 2365 2381 config CPU_HAS_RIXI 2366 config CPU_HAS_RIXI 2382 bool 2367 bool 2383 2368 2384 config CPU_NO_LOAD_STORE_LR 2369 config CPU_NO_LOAD_STORE_LR 2385 bool 2370 bool 2386 help 2371 help 2387 CPU lacks support for unaligned loa 2372 CPU lacks support for unaligned load and store instructions: 2388 LWL, LWR, SWL, SWR (Load/store word 2373 LWL, LWR, SWL, SWR (Load/store word left/right). 2389 LDL, LDR, SDL, SDR (Load/store doub 2374 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 2390 systems). 2375 systems). 2391 2376 2392 # 2377 # 2393 # Vectored interrupt mode is an R2 feature 2378 # Vectored interrupt mode is an R2 feature 2394 # 2379 # 2395 config CPU_MIPSR2_IRQ_VI 2380 config CPU_MIPSR2_IRQ_VI 2396 bool 2381 bool 2397 2382 2398 # 2383 # 2399 # Extended interrupt mode is an R2 feature 2384 # Extended interrupt mode is an R2 feature 2400 # 2385 # 2401 config CPU_MIPSR2_IRQ_EI 2386 config CPU_MIPSR2_IRQ_EI 2402 bool 2387 bool 2403 2388 2404 config CPU_HAS_SYNC 2389 config CPU_HAS_SYNC 2405 bool 2390 bool 2406 depends on !CPU_R3000 2391 depends on !CPU_R3000 2407 default y 2392 default y 2408 2393 2409 # 2394 # 2410 # CPU non-features 2395 # CPU non-features 2411 # 2396 # 2412 2397 2413 # Work around the "daddi" and "daddiu" CPU er 2398 # Work around the "daddi" and "daddiu" CPU errata: 2414 # 2399 # 2415 # - The `daddi' instruction fails to trap on 2400 # - The `daddi' instruction fails to trap on overflow. 2416 # "MIPS R4000PC/SC Errata, Processor Revisi 2401 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2417 # erratum #23 2402 # erratum #23 2418 # 2403 # 2419 # - The `daddiu' instruction can produce an i 2404 # - The `daddiu' instruction can produce an incorrect result. 2420 # "MIPS R4000PC/SC Errata, Processor Revisi 2405 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2421 # erratum #41 2406 # erratum #41 2422 # "MIPS R4000MC Errata, Processor Revision 2407 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum 2423 # #15 2408 # #15 2424 # "MIPS R4400PC/SC Errata, Processor Revisi 2409 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7 2425 # "MIPS R4400MC Errata, Processor Revision 2410 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5 2426 config CPU_DADDI_WORKAROUNDS 2411 config CPU_DADDI_WORKAROUNDS 2427 bool 2412 bool 2428 2413 2429 # Work around certain R4000 CPU errata (as im 2414 # Work around certain R4000 CPU errata (as implemented by GCC): 2430 # 2415 # 2431 # - A double-word or a variable shift may giv 2416 # - A double-word or a variable shift may give an incorrect result 2432 # if executed immediately after starting an 2417 # if executed immediately after starting an integer division: 2433 # "MIPS R4000PC/SC Errata, Processor Revisi 2418 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2434 # erratum #28 2419 # erratum #28 2435 # "MIPS R4000MC Errata, Processor Revision 2420 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum 2436 # #19 2421 # #19 2437 # 2422 # 2438 # - A double-word or a variable shift may giv 2423 # - A double-word or a variable shift may give an incorrect result 2439 # if executed while an integer multiplicati 2424 # if executed while an integer multiplication is in progress: 2440 # "MIPS R4000PC/SC Errata, Processor Revisi 2425 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2441 # errata #16 & #28 2426 # errata #16 & #28 2442 # 2427 # 2443 # - An integer division may give an incorrect 2428 # - An integer division may give an incorrect result if started in 2444 # a delay slot of a taken branch or a jump: 2429 # a delay slot of a taken branch or a jump: 2445 # "MIPS R4000PC/SC Errata, Processor Revisi 2430 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0", 2446 # erratum #52 2431 # erratum #52 2447 config CPU_R4000_WORKAROUNDS 2432 config CPU_R4000_WORKAROUNDS 2448 bool 2433 bool 2449 select CPU_R4400_WORKAROUNDS 2434 select CPU_R4400_WORKAROUNDS 2450 2435 2451 # Work around certain R4400 CPU errata (as im 2436 # Work around certain R4400 CPU errata (as implemented by GCC): 2452 # 2437 # 2453 # - A double-word or a variable shift may giv 2438 # - A double-word or a variable shift may give an incorrect result 2454 # if executed immediately after starting an 2439 # if executed immediately after starting an integer division: 2455 # "MIPS R4400MC Errata, Processor Revision 2440 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10 2456 # "MIPS R4400MC Errata, Processor Revision 2441 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4 2457 config CPU_R4400_WORKAROUNDS 2442 config CPU_R4400_WORKAROUNDS 2458 bool 2443 bool 2459 2444 2460 config CPU_R4X00_BUGS64 2445 config CPU_R4X00_BUGS64 2461 bool 2446 bool 2462 default y if SYS_HAS_CPU_R4X00 && 64B 2447 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2463 2448 2464 config MIPS_ASID_SHIFT 2449 config MIPS_ASID_SHIFT 2465 int 2450 int 2466 default 6 if CPU_R3000 2451 default 6 if CPU_R3000 2467 default 0 2452 default 0 2468 2453 2469 config MIPS_ASID_BITS 2454 config MIPS_ASID_BITS 2470 int 2455 int 2471 default 0 if MIPS_ASID_BITS_VARIABLE 2456 default 0 if MIPS_ASID_BITS_VARIABLE 2472 default 6 if CPU_R3000 2457 default 6 if CPU_R3000 2473 default 8 2458 default 8 2474 2459 2475 config MIPS_ASID_BITS_VARIABLE 2460 config MIPS_ASID_BITS_VARIABLE 2476 bool 2461 bool 2477 2462 2478 config MIPS_CRC_SUPPORT 2463 config MIPS_CRC_SUPPORT 2479 bool 2464 bool 2480 2465 2481 # R4600 erratum. Due to the lack of errata i 2466 # R4600 erratum. Due to the lack of errata information the exact 2482 # technical details aren't known. I've exper 2467 # technical details aren't known. I've experimentally found that disabling 2483 # interrupts during indexed I-cache flushes s 2468 # interrupts during indexed I-cache flushes seems to be sufficient to deal 2484 # with the issue. 2469 # with the issue. 2485 config WAR_R4600_V1_INDEX_ICACHEOP 2470 config WAR_R4600_V1_INDEX_ICACHEOP 2486 bool 2471 bool 2487 2472 2488 # Pleasures of the R4600 V1.x. Cite from the 2473 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 2489 # 2474 # 2490 # 18. The CACHE instructions Hit_Writeback_I 2475 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 2491 # Hit_Invalidate_D and Create_Dirty_Excl 2476 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be 2492 # executed if there is no other dcache a 2477 # executed if there is no other dcache activity. If the dcache is 2493 # accessed for another instruction immed 2478 # accessed for another instruction immediately preceding when these 2494 # cache instructions are executing, it i 2479 # cache instructions are executing, it is possible that the dcache 2495 # tag match outputs used by these cache 2480 # tag match outputs used by these cache instructions will be 2496 # incorrect. These cache instructions sh 2481 # incorrect. These cache instructions should be preceded by at least 2497 # four instructions that are not any kin 2482 # four instructions that are not any kind of load or store 2498 # instruction. 2483 # instruction. 2499 # 2484 # 2500 # This is not allowed: lw 2485 # This is not allowed: lw 2501 # nop 2486 # nop 2502 # nop 2487 # nop 2503 # nop 2488 # nop 2504 # cache Hi 2489 # cache Hit_Writeback_Invalidate_D 2505 # 2490 # 2506 # This is allowed: lw 2491 # This is allowed: lw 2507 # nop 2492 # nop 2508 # nop 2493 # nop 2509 # nop 2494 # nop 2510 # nop 2495 # nop 2511 # cache Hi 2496 # cache Hit_Writeback_Invalidate_D 2512 config WAR_R4600_V1_HIT_CACHEOP 2497 config WAR_R4600_V1_HIT_CACHEOP 2513 bool 2498 bool 2514 2499 2515 # Writeback and invalidate the primary cache 2500 # Writeback and invalidate the primary cache dcache before DMA. 2516 # 2501 # 2517 # R4600 v2.0 bug: "The CACHE instructions Hit 2502 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat 2503 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 2519 # operate correctly if the internal data cach 2504 # operate correctly if the internal data cache refill buffer is empty. These 2520 # CACHE instructions should be separated from 2505 # CACHE instructions should be separated from any potential data cache miss 2521 # by a load instruction to an uncached addres 2506 # by a load instruction to an uncached address to empty the response buffer." 2522 # (Revision 2.0 device errata from IDT availa 2507 # (Revision 2.0 device errata from IDT available on https://www.idt.com/ 2523 # in .pdf format.) 2508 # in .pdf format.) 2524 config WAR_R4600_V2_HIT_CACHEOP 2509 config WAR_R4600_V2_HIT_CACHEOP 2525 bool 2510 bool 2526 2511 2527 # From TX49/H2 manual: "If the instruction (i 2512 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 2528 # the line which this instruction itself exis 2513 # the line which this instruction itself exists, the following 2529 # operation is not guaranteed." 2514 # operation is not guaranteed." 2530 # 2515 # 2531 # Workaround: do two phase flushing for Index 2516 # Workaround: do two phase flushing for Index_Invalidate_I 2532 config WAR_TX49XX_ICACHE_INDEX_INV 2517 config WAR_TX49XX_ICACHE_INDEX_INV 2533 bool 2518 bool 2534 2519 2535 # The RM7000 processors and the E9000 cores h 2520 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2536 # opposes it being called that) where invalid 2521 # opposes it being called that) where invalid instructions in the same 2537 # I-cache line worth of instructions being fe 2522 # I-cache line worth of instructions being fetched may case spurious 2538 # exceptions. 2523 # exceptions. 2539 config WAR_ICACHE_REFILLS 2524 config WAR_ICACHE_REFILLS 2540 bool 2525 bool 2541 2526 2542 # On the R10000 up to version 2.6 (not sure a 2527 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2543 # may cause ll / sc and lld / scd sequences t 2528 # may cause ll / sc and lld / scd sequences to execute non-atomically. 2544 config WAR_R10000_LLSC 2529 config WAR_R10000_LLSC 2545 bool 2530 bool 2546 2531 2547 # 34K core erratum: "Problems Executing the T 2532 # 34K core erratum: "Problems Executing the TLBR Instruction" 2548 config WAR_MIPS34K_MISSED_ITLB 2533 config WAR_MIPS34K_MISSED_ITLB 2549 bool 2534 bool 2550 2535 2551 # 2536 # 2552 # - Highmem only makes sense for the 32-bit k 2537 # - Highmem only makes sense for the 32-bit kernel. 2553 # - The current highmem code will only work p 2538 # - The current highmem code will only work properly on physically indexed 2554 # caches such as R3000, SB1, R7000 or those 2539 # caches such as R3000, SB1, R7000 or those that look like they're virtually 2555 # indexed such as R4000/R4400 SC and MC ver 2540 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the 2556 # moment we protect the user and offer the 2541 # moment we protect the user and offer the highmem option only on machines 2557 # where it's known to be safe. This will n 2542 # where it's known to be safe. This will not offer highmem on a few systems 2558 # such as MIPS32 and MIPS64 CPUs which may 2543 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically 2559 # indexed CPUs but we're playing safe. 2544 # indexed CPUs but we're playing safe. 2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 2545 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2561 # know they might have memory configuration 2546 # know they might have memory configurations that could make use of highmem 2562 # support. 2547 # support. 2563 # 2548 # 2564 config HIGHMEM 2549 config HIGHMEM 2565 bool "High Memory Support" 2550 bool "High Memory Support" 2566 depends on 32BIT && CPU_SUPPORTS_HIGH 2551 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2567 select KMAP_LOCAL 2552 select KMAP_LOCAL 2568 2553 2569 config CPU_SUPPORTS_HIGHMEM 2554 config CPU_SUPPORTS_HIGHMEM 2570 bool 2555 bool 2571 2556 2572 config SYS_SUPPORTS_HIGHMEM 2557 config SYS_SUPPORTS_HIGHMEM 2573 bool 2558 bool 2574 2559 2575 config SYS_SUPPORTS_SMARTMIPS 2560 config SYS_SUPPORTS_SMARTMIPS 2576 bool 2561 bool 2577 2562 2578 config SYS_SUPPORTS_MICROMIPS 2563 config SYS_SUPPORTS_MICROMIPS 2579 bool 2564 bool 2580 2565 2581 config SYS_SUPPORTS_MIPS16 2566 config SYS_SUPPORTS_MIPS16 2582 bool 2567 bool 2583 help 2568 help 2584 This option must be set if a kernel 2569 This option must be set if a kernel might be executed on a MIPS16- 2585 enabled CPU even if MIPS16 is not a 2570 enabled CPU even if MIPS16 is not actually being used. In other 2586 words, it makes the kernel MIPS16-t 2571 words, it makes the kernel MIPS16-tolerant. 2587 2572 2588 config CPU_SUPPORTS_MSA 2573 config CPU_SUPPORTS_MSA 2589 bool 2574 bool 2590 2575 2591 config ARCH_FLATMEM_ENABLE 2576 config ARCH_FLATMEM_ENABLE 2592 def_bool y 2577 def_bool y 2593 depends on !NUMA && !CPU_LOONGSON2EF 2578 depends on !NUMA && !CPU_LOONGSON2EF 2594 2579 2595 config ARCH_SPARSEMEM_ENABLE 2580 config ARCH_SPARSEMEM_ENABLE 2596 bool 2581 bool 2597 2582 2598 config NUMA 2583 config NUMA 2599 bool "NUMA Support" 2584 bool "NUMA Support" 2600 depends on SYS_SUPPORTS_NUMA 2585 depends on SYS_SUPPORTS_NUMA 2601 select SMP 2586 select SMP 2602 select HAVE_SETUP_PER_CPU_AREA 2587 select HAVE_SETUP_PER_CPU_AREA 2603 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2588 select NEED_PER_CPU_EMBED_FIRST_CHUNK 2604 help 2589 help 2605 Say Y to compile the kernel to supp 2590 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2606 Access). This option improves perf 2591 Access). This option improves performance on systems with more 2607 than two nodes; on two node systems 2592 than two nodes; on two node systems it is generally better to 2608 leave it disabled; on single node s 2593 leave it disabled; on single node systems leave this option 2609 disabled. 2594 disabled. 2610 2595 2611 config SYS_SUPPORTS_NUMA 2596 config SYS_SUPPORTS_NUMA 2612 bool 2597 bool 2613 2598 >> 2599 config HAVE_ARCH_NODEDATA_EXTENSION >> 2600 bool >> 2601 2614 config RELOCATABLE 2602 config RELOCATABLE 2615 bool "Relocatable kernel" 2603 bool "Relocatable kernel" 2616 depends on SYS_SUPPORTS_RELOCATABLE 2604 depends on SYS_SUPPORTS_RELOCATABLE 2617 depends on CPU_MIPS32_R2 || CPU_MIPS6 2605 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2618 CPU_MIPS32_R5 || CPU_MIPS6 2606 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2619 CPU_MIPS32_R6 || CPU_MIPS6 2607 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2620 CPU_P5600 || CAVIUM_OCTEON 2608 CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2621 CPU_LOONGSON64 2609 CPU_LOONGSON64 2622 help 2610 help 2623 This builds a kernel image that ret 2611 This builds a kernel image that retains relocation information 2624 so it can be loaded someplace besid 2612 so it can be loaded someplace besides the default 1MB. 2625 The relocations make the kernel bin 2613 The relocations make the kernel binary about 15% larger, 2626 but are discarded at runtime 2614 but are discarded at runtime 2627 2615 2628 config RELOCATION_TABLE_SIZE 2616 config RELOCATION_TABLE_SIZE 2629 hex "Relocation table size" 2617 hex "Relocation table size" 2630 depends on RELOCATABLE 2618 depends on RELOCATABLE 2631 range 0x0 0x01000000 2619 range 0x0 0x01000000 2632 default "0x00200000" if CPU_LOONGSON6 2620 default "0x00200000" if CPU_LOONGSON64 2633 default "0x00100000" 2621 default "0x00100000" 2634 help 2622 help 2635 A table of relocation data will be 2623 A table of relocation data will be appended to the kernel binary 2636 and parsed at boot to fix up the re 2624 and parsed at boot to fix up the relocated kernel. 2637 2625 2638 This option allows the amount of sp 2626 This option allows the amount of space reserved for the table to be 2639 adjusted, although the default of 1 2627 adjusted, although the default of 1Mb should be ok in most cases. 2640 2628 2641 The build will fail and a valid siz 2629 The build will fail and a valid size suggested if this is too small. 2642 2630 2643 If unsure, leave at the default val 2631 If unsure, leave at the default value. 2644 2632 2645 config RANDOMIZE_BASE 2633 config RANDOMIZE_BASE 2646 bool "Randomize the address of the ke 2634 bool "Randomize the address of the kernel image" 2647 depends on RELOCATABLE 2635 depends on RELOCATABLE 2648 help 2636 help 2649 Randomizes the physical and virtual 2637 Randomizes the physical and virtual address at which the 2650 kernel image is loaded, as a securi 2638 kernel image is loaded, as a security feature that 2651 deters exploit attempts relying on 2639 deters exploit attempts relying on knowledge of the location 2652 of kernel internals. 2640 of kernel internals. 2653 2641 2654 Entropy is generated using any copr 2642 Entropy is generated using any coprocessor 0 registers available. 2655 2643 2656 The kernel will be offset by up to 2644 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2657 2645 2658 If unsure, say N. 2646 If unsure, say N. 2659 2647 2660 config RANDOMIZE_BASE_MAX_OFFSET 2648 config RANDOMIZE_BASE_MAX_OFFSET 2661 hex "Maximum kASLR offset" if EXPERT 2649 hex "Maximum kASLR offset" if EXPERT 2662 depends on RANDOMIZE_BASE 2650 depends on RANDOMIZE_BASE 2663 range 0x0 0x40000000 if EVA || 64BIT 2651 range 0x0 0x40000000 if EVA || 64BIT 2664 range 0x0 0x08000000 2652 range 0x0 0x08000000 2665 default "0x01000000" 2653 default "0x01000000" 2666 help 2654 help 2667 When kASLR is active, this provides 2655 When kASLR is active, this provides the maximum offset that will 2668 be applied to the kernel image. It 2656 be applied to the kernel image. It should be set according to the 2669 amount of physical RAM available in 2657 amount of physical RAM available in the target system minus 2670 PHYSICAL_START and must be a power 2658 PHYSICAL_START and must be a power of 2. 2671 2659 2672 This is limited by the size of KSEG 2660 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2673 EVA or 64-bit. The default is 16Mb. 2661 EVA or 64-bit. The default is 16Mb. 2674 2662 2675 config NODES_SHIFT 2663 config NODES_SHIFT 2676 int 2664 int 2677 default "6" 2665 default "6" 2678 depends on NUMA 2666 depends on NUMA 2679 2667 2680 config HW_PERF_EVENTS 2668 config HW_PERF_EVENTS 2681 bool "Enable hardware performance cou 2669 bool "Enable hardware performance counter support for perf events" 2682 depends on PERF_EVENTS && (CPU_MIPS32 2670 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64) 2683 default y 2671 default y 2684 help 2672 help 2685 Enable hardware performance counter 2673 Enable hardware performance counter support for perf events. If 2686 disabled, perf events will use soft 2674 disabled, perf events will use software events only. 2687 2675 2688 config DMI 2676 config DMI 2689 bool "Enable DMI scanning" 2677 bool "Enable DMI scanning" 2690 depends on MACH_LOONGSON64 2678 depends on MACH_LOONGSON64 2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB 2679 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2692 default y 2680 default y 2693 help 2681 help 2694 Enabled scanning of DMI to identify 2682 Enabled scanning of DMI to identify machine quirks. Say Y 2695 here unless you have verified that 2683 here unless you have verified that your setup is not 2696 affected by entries in the DMI blac 2684 affected by entries in the DMI blacklist. Required by PNP 2697 BIOS code. 2685 BIOS code. 2698 2686 2699 config SMP 2687 config SMP 2700 bool "Multi-Processing support" 2688 bool "Multi-Processing support" 2701 depends on SYS_SUPPORTS_SMP 2689 depends on SYS_SUPPORTS_SMP 2702 help 2690 help 2703 This enables support for systems wi 2691 This enables support for systems with more than one CPU. If you have 2704 a system with only one CPU, say N. 2692 a system with only one CPU, say N. If you have a system with more 2705 than one CPU, say Y. 2693 than one CPU, say Y. 2706 2694 2707 If you say N here, the kernel will 2695 If you say N here, the kernel will run on uni- and multiprocessor 2708 machines, but will use only one CPU 2696 machines, but will use only one CPU of a multiprocessor machine. If 2709 you say Y here, the kernel will run 2697 you say Y here, the kernel will run on many, but not all, 2710 uniprocessor machines. On a uniproc 2698 uniprocessor machines. On a uniprocessor machine, the kernel 2711 will run faster if you say N here. 2699 will run faster if you say N here. 2712 2700 2713 People using multiprocessor machine 2701 People using multiprocessor machines who say Y here should also say 2714 Y to "Enhanced Real Time Clock Supp 2702 Y to "Enhanced Real Time Clock Support", below. 2715 2703 2716 See also the SMP-HOWTO available at 2704 See also the SMP-HOWTO available at 2717 <https://www.tldp.org/docs.html#how 2705 <https://www.tldp.org/docs.html#howto>. 2718 2706 2719 If you don't know what to do here, 2707 If you don't know what to do here, say N. 2720 2708 2721 config HOTPLUG_CPU 2709 config HOTPLUG_CPU 2722 bool "Support for hot-pluggable CPUs" 2710 bool "Support for hot-pluggable CPUs" 2723 depends on SMP && SYS_SUPPORTS_HOTPLU 2711 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 2724 help 2712 help 2725 Say Y here to allow turning CPUs of 2713 Say Y here to allow turning CPUs off and on. CPUs can be 2726 controlled through /sys/devices/sys 2714 controlled through /sys/devices/system/cpu. 2727 (Note: power management support wil 2715 (Note: power management support will enable this option 2728 automatically on SMP systems. ) 2716 automatically on SMP systems. ) 2729 Say N if you want to disable CPU ho 2717 Say N if you want to disable CPU hotplug. 2730 2718 2731 config SMP_UP 2719 config SMP_UP 2732 bool 2720 bool 2733 2721 2734 config SYS_SUPPORTS_MIPS_CPS 2722 config SYS_SUPPORTS_MIPS_CPS 2735 bool 2723 bool 2736 2724 2737 config SYS_SUPPORTS_SMP 2725 config SYS_SUPPORTS_SMP 2738 bool 2726 bool 2739 2727 2740 config NR_CPUS_DEFAULT_4 2728 config NR_CPUS_DEFAULT_4 2741 bool 2729 bool 2742 2730 2743 config NR_CPUS_DEFAULT_8 2731 config NR_CPUS_DEFAULT_8 2744 bool 2732 bool 2745 2733 2746 config NR_CPUS_DEFAULT_16 2734 config NR_CPUS_DEFAULT_16 2747 bool 2735 bool 2748 2736 2749 config NR_CPUS_DEFAULT_32 2737 config NR_CPUS_DEFAULT_32 2750 bool 2738 bool 2751 2739 2752 config NR_CPUS_DEFAULT_64 2740 config NR_CPUS_DEFAULT_64 2753 bool 2741 bool 2754 2742 2755 config NR_CPUS 2743 config NR_CPUS 2756 int "Maximum number of CPUs (2-256)" 2744 int "Maximum number of CPUs (2-256)" 2757 range 2 256 2745 range 2 256 2758 depends on SMP 2746 depends on SMP 2759 default "4" if NR_CPUS_DEFAULT_4 2747 default "4" if NR_CPUS_DEFAULT_4 2760 default "8" if NR_CPUS_DEFAULT_8 2748 default "8" if NR_CPUS_DEFAULT_8 2761 default "16" if NR_CPUS_DEFAULT_16 2749 default "16" if NR_CPUS_DEFAULT_16 2762 default "32" if NR_CPUS_DEFAULT_32 2750 default "32" if NR_CPUS_DEFAULT_32 2763 default "64" if NR_CPUS_DEFAULT_64 2751 default "64" if NR_CPUS_DEFAULT_64 2764 help 2752 help 2765 This allows you to specify the maxi 2753 This allows you to specify the maximum number of CPUs which this 2766 kernel will support. The maximum s 2754 kernel will support. The maximum supported value is 32 for 32-bit 2767 kernel and 64 for 64-bit kernels; t 2755 kernel and 64 for 64-bit kernels; the minimum value which makes 2768 sense is 1 for Qemu (useful only fo 2756 sense is 1 for Qemu (useful only for kernel debugging purposes) 2769 and 2 for all others. 2757 and 2 for all others. 2770 2758 2771 This is purely to save memory - eac 2759 This is purely to save memory - each supported CPU adds 2772 approximately eight kilobytes to th 2760 approximately eight kilobytes to the kernel image. For best 2773 performance should round up your nu 2761 performance should round up your number of processors to the next 2774 power of two. 2762 power of two. 2775 2763 2776 config MIPS_PERF_SHARED_TC_COUNTERS 2764 config MIPS_PERF_SHARED_TC_COUNTERS 2777 bool 2765 bool 2778 2766 2779 config MIPS_NR_CPU_NR_MAP_1024 2767 config MIPS_NR_CPU_NR_MAP_1024 2780 bool 2768 bool 2781 2769 2782 config MIPS_NR_CPU_NR_MAP 2770 config MIPS_NR_CPU_NR_MAP 2783 int 2771 int 2784 depends on SMP 2772 depends on SMP 2785 default 1024 if MIPS_NR_CPU_NR_MAP_10 2773 default 1024 if MIPS_NR_CPU_NR_MAP_1024 2786 default NR_CPUS if !MIPS_NR_CPU_NR_MA 2774 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 2787 2775 2788 # 2776 # 2789 # Timer Interrupt Frequency Configuration 2777 # Timer Interrupt Frequency Configuration 2790 # 2778 # 2791 2779 2792 choice 2780 choice 2793 prompt "Timer frequency" 2781 prompt "Timer frequency" 2794 default HZ_250 2782 default HZ_250 2795 help 2783 help 2796 Allows the configuration of the tim 2784 Allows the configuration of the timer frequency. 2797 2785 2798 config HZ_24 2786 config HZ_24 2799 bool "24 HZ" if SYS_SUPPORTS_ 2787 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 2800 2788 2801 config HZ_48 2789 config HZ_48 2802 bool "48 HZ" if SYS_SUPPORTS_ 2790 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 2803 2791 2804 config HZ_100 2792 config HZ_100 2805 bool "100 HZ" if SYS_SUPPORTS 2793 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 2806 2794 2807 config HZ_128 2795 config HZ_128 2808 bool "128 HZ" if SYS_SUPPORTS 2796 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 2809 2797 2810 config HZ_250 2798 config HZ_250 2811 bool "250 HZ" if SYS_SUPPORTS 2799 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 2812 2800 2813 config HZ_256 2801 config HZ_256 2814 bool "256 HZ" if SYS_SUPPORTS 2802 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 2815 2803 2816 config HZ_1000 2804 config HZ_1000 2817 bool "1000 HZ" if SYS_SUPPORT 2805 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 2818 2806 2819 config HZ_1024 2807 config HZ_1024 2820 bool "1024 HZ" if SYS_SUPPORT 2808 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 2821 2809 2822 endchoice 2810 endchoice 2823 2811 2824 config SYS_SUPPORTS_24HZ 2812 config SYS_SUPPORTS_24HZ 2825 bool 2813 bool 2826 2814 2827 config SYS_SUPPORTS_48HZ 2815 config SYS_SUPPORTS_48HZ 2828 bool 2816 bool 2829 2817 2830 config SYS_SUPPORTS_100HZ 2818 config SYS_SUPPORTS_100HZ 2831 bool 2819 bool 2832 2820 2833 config SYS_SUPPORTS_128HZ 2821 config SYS_SUPPORTS_128HZ 2834 bool 2822 bool 2835 2823 2836 config SYS_SUPPORTS_250HZ 2824 config SYS_SUPPORTS_250HZ 2837 bool 2825 bool 2838 2826 2839 config SYS_SUPPORTS_256HZ 2827 config SYS_SUPPORTS_256HZ 2840 bool 2828 bool 2841 2829 2842 config SYS_SUPPORTS_1000HZ 2830 config SYS_SUPPORTS_1000HZ 2843 bool 2831 bool 2844 2832 2845 config SYS_SUPPORTS_1024HZ 2833 config SYS_SUPPORTS_1024HZ 2846 bool 2834 bool 2847 2835 2848 config SYS_SUPPORTS_ARBIT_HZ 2836 config SYS_SUPPORTS_ARBIT_HZ 2849 bool 2837 bool 2850 default y if !SYS_SUPPORTS_24HZ && \ 2838 default y if !SYS_SUPPORTS_24HZ && \ 2851 !SYS_SUPPORTS_48HZ && \ 2839 !SYS_SUPPORTS_48HZ && \ 2852 !SYS_SUPPORTS_100HZ && \ 2840 !SYS_SUPPORTS_100HZ && \ 2853 !SYS_SUPPORTS_128HZ && \ 2841 !SYS_SUPPORTS_128HZ && \ 2854 !SYS_SUPPORTS_250HZ && \ 2842 !SYS_SUPPORTS_250HZ && \ 2855 !SYS_SUPPORTS_256HZ && \ 2843 !SYS_SUPPORTS_256HZ && \ 2856 !SYS_SUPPORTS_1000HZ && 2844 !SYS_SUPPORTS_1000HZ && \ 2857 !SYS_SUPPORTS_1024HZ 2845 !SYS_SUPPORTS_1024HZ 2858 2846 2859 config HZ 2847 config HZ 2860 int 2848 int 2861 default 24 if HZ_24 2849 default 24 if HZ_24 2862 default 48 if HZ_48 2850 default 48 if HZ_48 2863 default 100 if HZ_100 2851 default 100 if HZ_100 2864 default 128 if HZ_128 2852 default 128 if HZ_128 2865 default 250 if HZ_250 2853 default 250 if HZ_250 2866 default 256 if HZ_256 2854 default 256 if HZ_256 2867 default 1000 if HZ_1000 2855 default 1000 if HZ_1000 2868 default 1024 if HZ_1024 2856 default 1024 if HZ_1024 2869 2857 2870 config SCHED_HRTICK 2858 config SCHED_HRTICK 2871 def_bool HIGH_RES_TIMERS 2859 def_bool HIGH_RES_TIMERS 2872 2860 2873 config ARCH_SUPPORTS_KEXEC 2861 config ARCH_SUPPORTS_KEXEC 2874 def_bool y 2862 def_bool y 2875 2863 2876 config ARCH_SUPPORTS_CRASH_DUMP 2864 config ARCH_SUPPORTS_CRASH_DUMP 2877 def_bool y 2865 def_bool y 2878 2866 2879 config PHYSICAL_START 2867 config PHYSICAL_START 2880 hex "Physical address where the kerne 2868 hex "Physical address where the kernel is loaded" 2881 default "0xffffffff84000000" 2869 default "0xffffffff84000000" 2882 depends on CRASH_DUMP 2870 depends on CRASH_DUMP 2883 help 2871 help 2884 This gives the CKSEG0 or KSEG0 addr 2872 This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 2885 If you plan to use kernel for captu 2873 If you plan to use kernel for capturing the crash dump change 2886 this value to start of the reserved 2874 this value to start of the reserved region (the "X" value as 2887 specified in the "crashkernel=YM@XM 2875 specified in the "crashkernel=YM@XM" command line boot parameter 2888 passed to the panic-ed kernel). 2876 passed to the panic-ed kernel). 2889 2877 2890 config MIPS_O32_FP64_SUPPORT 2878 config MIPS_O32_FP64_SUPPORT 2891 bool "Support for O32 binaries using 2879 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2892 depends on 32BIT || MIPS32_O32 2880 depends on 32BIT || MIPS32_O32 2893 help 2881 help 2894 When this is enabled, the kernel wi 2882 When this is enabled, the kernel will support use of 64-bit floating 2895 point registers with binaries using 2883 point registers with binaries using the O32 ABI along with the 2896 EF_MIPS_FP64 ELF header flag (typic 2884 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2897 32-bit MIPS systems this support is 2885 32-bit MIPS systems this support is at the cost of increasing the 2898 size and complexity of the compiled 2886 size and complexity of the compiled FPU emulator. Thus if you are 2899 running a MIPS32 system and know th 2887 running a MIPS32 system and know that none of your userland binaries 2900 will require 64-bit floating point, 2888 will require 64-bit floating point, you may wish to reduce the size 2901 of your kernel & potentially improv 2889 of your kernel & potentially improve FP emulation performance by 2902 saying N here. 2890 saying N here. 2903 2891 2904 Although binutils currently support 2892 Although binutils currently supports use of this flag the details 2905 concerning its effect upon the O32 2893 concerning its effect upon the O32 ABI in userland are still being 2906 worked on. In order to avoid userla 2894 worked on. In order to avoid userland becoming dependent upon current 2907 behaviour before the details have b 2895 behaviour before the details have been finalised, this option should 2908 be considered experimental and only 2896 be considered experimental and only enabled by those working upon 2909 said details. 2897 said details. 2910 2898 2911 If unsure, say N. 2899 If unsure, say N. 2912 2900 2913 config USE_OF 2901 config USE_OF 2914 bool 2902 bool 2915 select OF 2903 select OF 2916 select OF_EARLY_FLATTREE 2904 select OF_EARLY_FLATTREE 2917 select IRQ_DOMAIN 2905 select IRQ_DOMAIN 2918 2906 2919 config UHI_BOOT 2907 config UHI_BOOT 2920 bool 2908 bool 2921 2909 2922 config BUILTIN_DTB 2910 config BUILTIN_DTB 2923 bool 2911 bool 2924 2912 2925 choice 2913 choice 2926 prompt "Kernel appended dtb support" !! 2914 prompt "Kernel appended dtb support" if USE_OF 2927 depends on USE_OF << 2928 default MIPS_NO_APPENDED_DTB 2915 default MIPS_NO_APPENDED_DTB 2929 2916 2930 config MIPS_NO_APPENDED_DTB 2917 config MIPS_NO_APPENDED_DTB 2931 bool "None" 2918 bool "None" 2932 help 2919 help 2933 Do not enable appended dtb 2920 Do not enable appended dtb support. 2934 2921 2935 config MIPS_ELF_APPENDED_DTB 2922 config MIPS_ELF_APPENDED_DTB 2936 bool "vmlinux" 2923 bool "vmlinux" 2937 help 2924 help 2938 With this option, the boot 2925 With this option, the boot code will look for a device tree binary 2939 DTB) included in the vmlinu 2926 DTB) included in the vmlinux ELF section .appended_dtb. By default 2940 it is empty and the DTB can 2927 it is empty and the DTB can be appended using binutils command 2941 objcopy: 2928 objcopy: 2942 2929 2943 objcopy --update-section 2930 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 2944 2931 2945 This is meant as a backward 2932 This is meant as a backward compatibility convenience for those 2946 systems with a bootloader t 2933 systems with a bootloader that can't be upgraded to accommodate 2947 the documented boot protoco 2934 the documented boot protocol using a device tree. 2948 2935 2949 config MIPS_RAW_APPENDED_DTB 2936 config MIPS_RAW_APPENDED_DTB 2950 bool "vmlinux.bin or vmlinuz. 2937 bool "vmlinux.bin or vmlinuz.bin" 2951 help 2938 help 2952 With this option, the boot 2939 With this option, the boot code will look for a device tree binary 2953 DTB) appended to raw vmlinu 2940 DTB) appended to raw vmlinux.bin or vmlinuz.bin. 2954 (e.g. cat vmlinux.bin <file 2941 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 2955 2942 2956 This is meant as a backward 2943 This is meant as a backward compatibility convenience for those 2957 systems with a bootloader t 2944 systems with a bootloader that can't be upgraded to accommodate 2958 the documented boot protoco 2945 the documented boot protocol using a device tree. 2959 2946 2960 Beware that there is very l 2947 Beware that there is very little in terms of protection against 2961 this option being confused 2948 this option being confused by leftover garbage in memory that might 2962 look like a DTB header afte 2949 look like a DTB header after a reboot if no actual DTB is appended 2963 to vmlinux.bin. Do not lea 2950 to vmlinux.bin. Do not leave this option active in a production kernel 2964 if you don't intend to alwa 2951 if you don't intend to always append a DTB. 2965 endchoice 2952 endchoice 2966 2953 2967 choice 2954 choice 2968 prompt "Kernel command line type" !! 2955 prompt "Kernel command line type" if !CMDLINE_OVERRIDE 2969 depends on !CMDLINE_OVERRIDE << 2970 default MIPS_CMDLINE_FROM_DTB if USE_ 2956 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 2971 !MAC 2957 !MACH_LOONGSON64 && !MIPS_MALTA && \ 2972 !CAV 2958 !CAVIUM_OCTEON_SOC 2973 default MIPS_CMDLINE_FROM_BOOTLOADER 2959 default MIPS_CMDLINE_FROM_BOOTLOADER 2974 2960 2975 config MIPS_CMDLINE_FROM_DTB 2961 config MIPS_CMDLINE_FROM_DTB 2976 depends on USE_OF 2962 depends on USE_OF 2977 bool "Dtb kernel arguments if 2963 bool "Dtb kernel arguments if available" 2978 2964 2979 config MIPS_CMDLINE_DTB_EXTEND 2965 config MIPS_CMDLINE_DTB_EXTEND 2980 depends on USE_OF 2966 depends on USE_OF 2981 bool "Extend dtb kernel argum 2967 bool "Extend dtb kernel arguments with bootloader arguments" 2982 2968 2983 config MIPS_CMDLINE_FROM_BOOTLOADER 2969 config MIPS_CMDLINE_FROM_BOOTLOADER 2984 bool "Bootloader kernel argum 2970 bool "Bootloader kernel arguments if available" 2985 2971 2986 config MIPS_CMDLINE_BUILTIN_EXTEND 2972 config MIPS_CMDLINE_BUILTIN_EXTEND 2987 depends on CMDLINE_BOOL 2973 depends on CMDLINE_BOOL 2988 bool "Extend builtin kernel a 2974 bool "Extend builtin kernel arguments with bootloader arguments" 2989 endchoice 2975 endchoice 2990 2976 2991 endmenu 2977 endmenu 2992 2978 2993 config LOCKDEP_SUPPORT 2979 config LOCKDEP_SUPPORT 2994 bool 2980 bool 2995 default y 2981 default y 2996 2982 2997 config STACKTRACE_SUPPORT 2983 config STACKTRACE_SUPPORT 2998 bool 2984 bool 2999 default y 2985 default y 3000 2986 3001 config PGTABLE_LEVELS 2987 config PGTABLE_LEVELS 3002 int 2988 int 3003 default 4 if PAGE_SIZE_4KB && MIPS_VA 2989 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3004 default 3 if 64BIT && (!PAGE_SIZE_64K 2990 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) 3005 default 2 2991 default 2 3006 2992 3007 config MIPS_AUTO_PFN_OFFSET 2993 config MIPS_AUTO_PFN_OFFSET 3008 bool 2994 bool 3009 2995 3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 2996 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 3011 2997 3012 config PCI_DRIVERS_GENERIC 2998 config PCI_DRIVERS_GENERIC 3013 select PCI_DOMAINS_GENERIC if PCI 2999 select PCI_DOMAINS_GENERIC if PCI 3014 bool 3000 bool 3015 3001 3016 config PCI_DRIVERS_LEGACY 3002 config PCI_DRIVERS_LEGACY 3017 def_bool !PCI_DRIVERS_GENERIC 3003 def_bool !PCI_DRIVERS_GENERIC 3018 select NO_GENERIC_PCI_IOPORT_MAP 3004 select NO_GENERIC_PCI_IOPORT_MAP 3019 select PCI_DOMAINS if PCI 3005 select PCI_DOMAINS if PCI 3020 3006 3021 # 3007 # 3022 # ISA support is now enabled via select. Too 3008 # ISA support is now enabled via select. Too many systems still have the one 3023 # or other ISA chip on the board that users d 3009 # or other ISA chip on the board that users don't know about so don't expect 3024 # users to choose the right thing ... 3010 # users to choose the right thing ... 3025 # 3011 # 3026 config ISA 3012 config ISA 3027 bool 3013 bool 3028 3014 3029 config TC 3015 config TC 3030 bool "TURBOchannel support" 3016 bool "TURBOchannel support" 3031 depends on MACH_DECSTATION 3017 depends on MACH_DECSTATION 3032 help 3018 help 3033 TURBOchannel is a DEC (now Compaq ( 3019 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 3034 processors. TURBOchannel programmi 3020 processors. TURBOchannel programming specifications are available 3035 at: 3021 at: 3036 <ftp://ftp.hp.com/pub/alphaserver/a 3022 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 3037 and: 3023 and: 3038 <http://www.computer-refuge.org/cla 3024 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 3039 Linux driver support status is docu 3025 Linux driver support status is documented at: 3040 <http://www.linux-mips.org/wiki/DEC 3026 <http://www.linux-mips.org/wiki/DECstation> 3041 3027 3042 config MMU 3028 config MMU 3043 bool 3029 bool 3044 default y 3030 default y 3045 3031 3046 config ARCH_MMAP_RND_BITS_MIN 3032 config ARCH_MMAP_RND_BITS_MIN 3047 default 12 if 64BIT 3033 default 12 if 64BIT 3048 default 8 3034 default 8 3049 3035 3050 config ARCH_MMAP_RND_BITS_MAX 3036 config ARCH_MMAP_RND_BITS_MAX 3051 default 18 if 64BIT 3037 default 18 if 64BIT 3052 default 15 3038 default 15 3053 3039 3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3040 config ARCH_MMAP_RND_COMPAT_BITS_MIN 3055 default 8 3041 default 8 3056 3042 3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3043 config ARCH_MMAP_RND_COMPAT_BITS_MAX 3058 default 15 3044 default 15 3059 3045 3060 config I8253 3046 config I8253 3061 bool 3047 bool 3062 select CLKSRC_I8253 3048 select CLKSRC_I8253 3063 select CLKEVT_I8253 3049 select CLKEVT_I8253 3064 select MIPS_EXTERNAL_TIMER 3050 select MIPS_EXTERNAL_TIMER 3065 endmenu 3051 endmenu 3066 3052 3067 config TRAD_SIGNALS 3053 config TRAD_SIGNALS 3068 bool 3054 bool 3069 3055 3070 config MIPS32_COMPAT 3056 config MIPS32_COMPAT 3071 bool 3057 bool 3072 3058 3073 config COMPAT 3059 config COMPAT 3074 bool 3060 bool 3075 3061 3076 config MIPS32_O32 3062 config MIPS32_O32 3077 bool "Kernel support for o32 binaries 3063 bool "Kernel support for o32 binaries" 3078 depends on 64BIT 3064 depends on 64BIT 3079 select ARCH_WANT_OLD_COMPAT_IPC 3065 select ARCH_WANT_OLD_COMPAT_IPC 3080 select COMPAT 3066 select COMPAT 3081 select MIPS32_COMPAT 3067 select MIPS32_COMPAT 3082 help 3068 help 3083 Select this option if you want to r 3069 Select this option if you want to run o32 binaries. These are pure 3084 32-bit binaries as used by the 32-b 3070 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 3085 existing binaries are in this forma 3071 existing binaries are in this format. 3086 3072 3087 If unsure, say Y. 3073 If unsure, say Y. 3088 3074 3089 config MIPS32_N32 3075 config MIPS32_N32 3090 bool "Kernel support for n32 binaries 3076 bool "Kernel support for n32 binaries" 3091 depends on 64BIT 3077 depends on 64BIT 3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER 3078 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 3093 select COMPAT 3079 select COMPAT 3094 select MIPS32_COMPAT 3080 select MIPS32_COMPAT 3095 help 3081 help 3096 Select this option if you want to r 3082 Select this option if you want to run n32 binaries. These are 3097 64-bit binaries using 32-bit quanti 3083 64-bit binaries using 32-bit quantities for addressing and certain 3098 data that would normally be 64-bit. 3084 data that would normally be 64-bit. They are used in special 3099 cases. 3085 cases. 3100 3086 3101 If unsure, say N. 3087 If unsure, say N. 3102 3088 3103 config CC_HAS_MNO_BRANCH_LIKELY 3089 config CC_HAS_MNO_BRANCH_LIKELY 3104 def_bool y 3090 def_bool y 3105 depends on $(cc-option,-mno-branch-li 3091 depends on $(cc-option,-mno-branch-likely) 3106 3092 3107 # https://github.com/llvm/llvm-project/issues 3093 # https://github.com/llvm/llvm-project/issues/61045 3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3094 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH 3109 def_bool y if CC_IS_CLANG 3095 def_bool y if CC_IS_CLANG 3110 3096 3111 menu "Power management options" 3097 menu "Power management options" 3112 3098 3113 config ARCH_HIBERNATION_POSSIBLE 3099 config ARCH_HIBERNATION_POSSIBLE 3114 def_bool y 3100 def_bool y 3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3101 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3116 3102 3117 config ARCH_SUSPEND_POSSIBLE 3103 config ARCH_SUSPEND_POSSIBLE 3118 def_bool y 3104 def_bool y 3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 3105 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3120 3106 3121 source "kernel/power/Kconfig" 3107 source "kernel/power/Kconfig" 3122 3108 3123 endmenu 3109 endmenu 3124 3110 3125 config MIPS_EXTERNAL_TIMER 3111 config MIPS_EXTERNAL_TIMER 3126 bool 3112 bool 3127 3113 3128 menu "CPU Power Management" 3114 menu "CPU Power Management" 3129 3115 3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME 3116 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 3131 source "drivers/cpufreq/Kconfig" 3117 source "drivers/cpufreq/Kconfig" 3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL 3118 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 3133 3119 3134 source "drivers/cpuidle/Kconfig" 3120 source "drivers/cpuidle/Kconfig" 3135 3121 3136 endmenu 3122 endmenu 3137 3123 3138 source "arch/mips/kvm/Kconfig" 3124 source "arch/mips/kvm/Kconfig" 3139 3125 3140 source "arch/mips/vdso/Kconfig" 3126 source "arch/mips/vdso/Kconfig"
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