1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5942fa985SYury Norov select ARCH_32BIT_OFF_T if !64BIT 6ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 7dfad83cbSFlorian Fainelli select ARCH_HAS_DEBUG_VIRTUAL if !64BIT 834c01e41SAlexander Lobakin select ARCH_HAS_FORTIFY_SOURCE 934c01e41SAlexander Lobakin select ARCH_HAS_KCOV 1066633abdSTiezhu Yang select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA 1134c01e41SAlexander Lobakin select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 1212597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 131e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 148b3165e5SXingxing Su select ARCH_HAS_GCOV_PROFILE_ALL 15c55944ccSNick Desaulniers select ARCH_KEEP_MEMBLOCK 1612597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 171ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1812597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 19dce44566SAnshuman Khandual select ARCH_USE_MEMTEST 2025da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 210b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 22*855f9a8eSAnshuman Khandual select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES 239035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 2412597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 25d3a4e0f1SAlexander Lobakin select ARCH_WANT_LD_ORPHAN_WARN 2610916706SShile Zhang select BUILDTIME_TABLE_SORT 2712597988SMatt Redfearn select CLONE_BACKWARDS 2857eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2912597988SMatt Redfearn select CPU_PM if CPU_IDLE 3012597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 3112597988SMatt Redfearn select GENERIC_CMOS_UPDATE 3212597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 33bab1dde3SAlexander Lobakin select GENERIC_FIND_FIRST_BIT 3424640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 35b962aeb0SPaul Burton select GENERIC_IOMAP 3612597988SMatt Redfearn select GENERIC_IRQ_PROBE 3712597988SMatt Redfearn select GENERIC_IRQ_SHOW 386630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 39740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 40740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 41740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 42740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 43740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 4412597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 4512597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 4612597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 47446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4812597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 49906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 5012597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 5142b20995SArnd Bergmann select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 52109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 53109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 54490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 55c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 5645e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 572ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 5836366e36SPaul Burton select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS 5912597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 60490f561bSFrederic Weisbecker select HAVE_TIF_NOHZ 6164575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 6212597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 6312597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 6412597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 6512597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 6634c01e41SAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 6712597988SMatt Redfearn select HAVE_EXIT_THREAD 6867a929e0SChristoph Hellwig select HAVE_FAST_GUP 6912597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 7029c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 7112597988SMatt Redfearn select HAVE_FUNCTION_TRACER 7234c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 7334c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 7412597988SMatt Redfearn select HAVE_IDE 75b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7612597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7712597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 78c1bf207dSDavid Daney select HAVE_KPROBES 79c1bf207dSDavid Daney select HAVE_KRETPROBES 80c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 81786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 8242a0bb3fSPetr Mladek select HAVE_NMI 8312597988SMatt Redfearn select HAVE_PERF_EVENTS 841ddc96bdSTiezhu Yang select HAVE_PERF_REGS 851ddc96bdSTiezhu Yang select HAVE_PERF_USER_STACK_DUMP 8608bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 879ea141adSPaul Burton select HAVE_RSEQ 8816c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 89d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 9012597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 91a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 9212597988SMatt Redfearn select IRQ_FORCED_THREADING 936630a8e5SChristoph Hellwig select ISA if EISA 9412597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 9534c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 9612597988SMatt Redfearn select PERF_USE_VMALLOC 97981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 9805a0a344SArnd Bergmann select RTC_LIB 9912597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 10012597988SMatt Redfearn select VIRT_TO_BUS 1010bb87f05SAl Viro select ARCH_HAS_ELFCORE_COMPAT 1021da177e4SLinus Torvalds 103d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 104d3991572SChristoph Hellwig bool 105d3991572SChristoph Hellwig 106c434b9f8SPaul Cercueilconfig MIPS_GENERIC 107c434b9f8SPaul Cercueil bool 108c434b9f8SPaul Cercueil 109f0f4a753SPaul Cercueilconfig MACH_INGENIC 110f0f4a753SPaul Cercueil bool 111f0f4a753SPaul Cercueil select SYS_SUPPORTS_32BIT_KERNEL 112f0f4a753SPaul Cercueil select SYS_SUPPORTS_LITTLE_ENDIAN 113f0f4a753SPaul Cercueil select SYS_SUPPORTS_ZBOOT 114f0f4a753SPaul Cercueil select DMA_NONCOHERENT 115f0f4a753SPaul Cercueil select IRQ_MIPS_CPU 116f0f4a753SPaul Cercueil select PINCTRL 117f0f4a753SPaul Cercueil select GPIOLIB 118f0f4a753SPaul Cercueil select COMMON_CLK 119f0f4a753SPaul Cercueil select GENERIC_IRQ_CHIP 120f0f4a753SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 121f0f4a753SPaul Cercueil select USE_OF 122f0f4a753SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 123f0f4a753SPaul Cercueil select MIPS_EXTERNAL_TIMER 124f0f4a753SPaul Cercueil 1251da177e4SLinus Torvaldsmenu "Machine selection" 1261da177e4SLinus Torvalds 1275e83d430SRalf Baechlechoice 1285e83d430SRalf Baechle prompt "System type" 129c434b9f8SPaul Cercueil default MIPS_GENERIC_KERNEL 1301da177e4SLinus Torvalds 131c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL 132eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 1334e066441SChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 134c434b9f8SPaul Cercueil select MIPS_GENERIC 135eed0eabdSPaul Burton select BOOT_RAW 136eed0eabdSPaul Burton select BUILTIN_DTB 137eed0eabdSPaul Burton select CEVT_R4K 138eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 139eed0eabdSPaul Burton select COMMON_CLK 140eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 14134c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 142eed0eabdSPaul Burton select CSRC_R4K 1434e066441SChristoph Hellwig select DMA_NONCOHERENT 144eb01d42aSChristoph Hellwig select HAVE_PCI 145eed0eabdSPaul Burton select IRQ_MIPS_CPU 1460211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 147eed0eabdSPaul Burton select MIPS_CPU_SCACHE 148eed0eabdSPaul Burton select MIPS_GIC 149eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 150eed0eabdSPaul Burton select NO_EXCEPT_FILL 151eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 152eed0eabdSPaul Burton select SMP_UP if SMP 153a3078e59SMatt Redfearn select SWAP_IO_SPACE 154eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 155eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 156eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 157eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 158eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 159eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 160eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 161eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 162eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 163eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 164eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 165eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 166eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 16734c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 168eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 169eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 170eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 171c3e2ee65SPaul Cercueil select SYS_SUPPORTS_ZBOOT 17234c01e41SAlexander Lobakin select UHI_BOOT 1732e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1742e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1752e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1762e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1772e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1782e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 179eed0eabdSPaul Burton select USE_OF 180eed0eabdSPaul Burton help 181eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 182eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 183eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 184eed0eabdSPaul Burton Interface) specification. 185eed0eabdSPaul Burton 18642a4f17dSManuel Laussconfig MIPS_ALCHEMY 187c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 188d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 189f772cdb2SRalf Baechle select CEVT_R4K 190d7ea335cSSteven J. Hill select CSRC_R4K 19167e38cf2SRalf Baechle select IRQ_MIPS_CPU 192a86497d6SChristoph Hellwig select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 193d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 19442a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 19542a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 19642a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 197d30a2b47SLinus Walleij select GPIOLIB 1981b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19947440229SManuel Lauss select COMMON_CLK 2001da177e4SLinus Torvalds 2017ca5dc14SFlorian Fainelliconfig AR7 2027ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 2037ca5dc14SFlorian Fainelli select BOOT_ELF32 2047ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 2057ca5dc14SFlorian Fainelli select CEVT_R4K 2067ca5dc14SFlorian Fainelli select CSRC_R4K 20767e38cf2SRalf Baechle select IRQ_MIPS_CPU 2087ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 2097ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 2107ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 2117ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 2127ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 2137ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 214377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2151b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 216d30a2b47SLinus Walleij select GPIOLIB 2177ca5dc14SFlorian Fainelli select VLYNQ 218bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 2197ca5dc14SFlorian Fainelli help 2207ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 2217ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 2227ca5dc14SFlorian Fainelli 22343cc739fSSergey Ryazanovconfig ATH25 22443cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 22543cc739fSSergey Ryazanov select CEVT_R4K 22643cc739fSSergey Ryazanov select CSRC_R4K 22743cc739fSSergey Ryazanov select DMA_NONCOHERENT 22867e38cf2SRalf Baechle select IRQ_MIPS_CPU 2291753e74eSSergey Ryazanov select IRQ_DOMAIN 23043cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 23143cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 23243cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2338aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 23443cc739fSSergey Ryazanov help 23543cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 23643cc739fSSergey Ryazanov 237d4a67d9dSGabor Juhosconfig ATH79 238d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 239ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 240d4a67d9dSGabor Juhos select BOOT_RAW 241d4a67d9dSGabor Juhos select CEVT_R4K 242d4a67d9dSGabor Juhos select CSRC_R4K 243d4a67d9dSGabor Juhos select DMA_NONCOHERENT 244d30a2b47SLinus Walleij select GPIOLIB 245a08227a2SJohn Crispin select PINCTRL 246411520afSAlban Bedel select COMMON_CLK 24767e38cf2SRalf Baechle select IRQ_MIPS_CPU 248d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 249d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 250d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 251d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 252377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 253b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 25403c8c407SAlban Bedel select USE_OF 25553d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 256d4a67d9dSGabor Juhos help 257d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 258d4a67d9dSGabor Juhos 2595f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2605f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 26129906e1aSÁlvaro Fernández Rojas select ARCH_HAS_RESET_CONTROLLER 262d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 263d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 264d666cd02SKevin Cernekee select BOOT_RAW 265d666cd02SKevin Cernekee select NO_EXCEPT_FILL 266d666cd02SKevin Cernekee select USE_OF 267d666cd02SKevin Cernekee select CEVT_R4K 268d666cd02SKevin Cernekee select CSRC_R4K 269d666cd02SKevin Cernekee select SYNC_R4K 270d666cd02SKevin Cernekee select COMMON_CLK 271c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 27260b858f2SKevin Cernekee select BCM7038_L1_IRQ 27360b858f2SKevin Cernekee select BCM7120_L2_IRQ 27460b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 27567e38cf2SRalf Baechle select IRQ_MIPS_CPU 27660b858f2SKevin Cernekee select DMA_NONCOHERENT 277d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 27860b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 279d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 280d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 28160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 28260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 28360b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 284d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 285d666cd02SKevin Cernekee select SWAP_IO_SPACE 28660b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28760b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 28860b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28960b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2904dc4704cSJustin Chen select HARDIRQS_SW_RESEND 291d666cd02SKevin Cernekee help 2925f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2935f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2945f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2955f2d4459SKevin Cernekee must be set appropriately for your board. 296d666cd02SKevin Cernekee 2971c0c13ebSAurelien Jarnoconfig BCM47XX 298c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 299fe08f8c2SHauke Mehrtens select BOOT_RAW 30042f77542SRalf Baechle select CEVT_R4K 301940f6b48SRalf Baechle select CSRC_R4K 3021c0c13ebSAurelien Jarno select DMA_NONCOHERENT 303eb01d42aSChristoph Hellwig select HAVE_PCI 30467e38cf2SRalf Baechle select IRQ_MIPS_CPU 305314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 306dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 3071c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 3081c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 309377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 3106507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 31125e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 312e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 313c949c0bcSRafał Miłecki select GPIOLIB 314c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 315f6e734a8SRafał Miłecki select BCM47XX_NVRAM 3162ab71a02SRafał Miłecki select BCM47XX_SPROM 317dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 3181c0c13ebSAurelien Jarno help 3191c0c13ebSAurelien Jarno Support for BCM47XX based boards 3201c0c13ebSAurelien Jarno 321e7300d04SMaxime Bizonconfig BCM63XX 322e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 323ae8de61cSFlorian Fainelli select BOOT_RAW 324e7300d04SMaxime Bizon select CEVT_R4K 325e7300d04SMaxime Bizon select CSRC_R4K 326fc264022SJonas Gorski select SYNC_R4K 327e7300d04SMaxime Bizon select DMA_NONCOHERENT 32867e38cf2SRalf Baechle select IRQ_MIPS_CPU 329e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 330e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 331e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 332e7300d04SMaxime Bizon select SWAP_IO_SPACE 333d30a2b47SLinus Walleij select GPIOLIB 334af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 335c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 336bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 337e7300d04SMaxime Bizon help 338e7300d04SMaxime Bizon Support for BCM63XX based boards 339e7300d04SMaxime Bizon 3401da177e4SLinus Torvaldsconfig MIPS_COBALT 3413fa986faSMartin Michlmayr bool "Cobalt Server" 34242f77542SRalf Baechle select CEVT_R4K 343940f6b48SRalf Baechle select CSRC_R4K 3441097c6acSYoichi Yuasa select CEVT_GT641XX 3451da177e4SLinus Torvalds select DMA_NONCOHERENT 346eb01d42aSChristoph Hellwig select FORCE_PCI 347d865bea4SRalf Baechle select I8253 3481da177e4SLinus Torvalds select I8259 34967e38cf2SRalf Baechle select IRQ_MIPS_CPU 350d5ab1a69SYoichi Yuasa select IRQ_GT641XX 351252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3527cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3530a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 354ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3550e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3565e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 357e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvaldsconfig MACH_DECSTATION 3603fa986faSMartin Michlmayr bool "DECstations" 3611da177e4SLinus Torvalds select BOOT_ELF32 3626457d9fcSYoichi Yuasa select CEVT_DS1287 36381d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3644247417dSYoichi Yuasa select CSRC_IOASIC 36581d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 36620d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 36720d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 36820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3691da177e4SLinus Torvalds select DMA_NONCOHERENT 370ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 37167e38cf2SRalf Baechle select IRQ_MIPS_CPU 3727cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3737cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 374ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3757d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3771723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3781723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3791723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 380930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3815e83d430SRalf Baechle help 3821da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3831da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3841da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3851da177e4SLinus Torvalds 3861da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3871da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds DECstation 5000/50 3901da177e4SLinus Torvalds DECstation 5000/150 3911da177e4SLinus Torvalds DECstation 5000/260 3921da177e4SLinus Torvalds DECsystem 5900/260 3931da177e4SLinus Torvalds 3941da177e4SLinus Torvalds otherwise choose R3000. 3951da177e4SLinus Torvalds 3965e83d430SRalf Baechleconfig MACH_JAZZ 3973fa986faSMartin Michlmayr bool "Jazz family of machines" 39839b2d756SThomas Bogendoerfer select ARC_MEMORY 39939b2d756SThomas Bogendoerfer select ARC_PROMLIB 400a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4017a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4022f9237d4SChristoph Hellwig select DMA_OPS 4030e2794b0SRalf Baechle select FW_ARC 4040e2794b0SRalf Baechle select FW_ARC32 4055e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 40642f77542SRalf Baechle select CEVT_R4K 407940f6b48SRalf Baechle select CSRC_R4K 408e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 4095e83d430SRalf Baechle select GENERIC_ISA_DMA 4108a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41167e38cf2SRalf Baechle select IRQ_MIPS_CPU 412d865bea4SRalf Baechle select I8253 4135e83d430SRalf Baechle select I8259 4145e83d430SRalf Baechle select ISA 4157cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4165e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4177d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 4181723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 419aadfe4b5SArnd Bergmann select SYS_SUPPORTS_LITTLE_ENDIAN 4201da177e4SLinus Torvalds help 4215e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 4225e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 423692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 4245e83d430SRalf Baechle Olivetti M700-10 workstations. 4255e83d430SRalf Baechle 426f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC 427de361e8bSPaul Burton bool "Ingenic SoC based machines" 428f0f4a753SPaul Cercueil select MIPS_GENERIC 429f0f4a753SPaul Cercueil select MACH_INGENIC 430f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 4315ebabe59SLars-Peter Clausen 432171bb2f1SJohn Crispinconfig LANTIQ 433171bb2f1SJohn Crispin bool "Lantiq based platforms" 434171bb2f1SJohn Crispin select DMA_NONCOHERENT 43567e38cf2SRalf Baechle select IRQ_MIPS_CPU 436171bb2f1SJohn Crispin select CEVT_R4K 437171bb2f1SJohn Crispin select CSRC_R4K 438171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 439171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 440171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 441171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 442377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 443171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 444f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 445171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 446d30a2b47SLinus Walleij select GPIOLIB 447171bb2f1SJohn Crispin select SWAP_IO_SPACE 448171bb2f1SJohn Crispin select BOOT_RAW 449287e3f3fSJohn Crispin select CLKDEV_LOOKUP 450bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 451a0392222SJohn Crispin select USE_OF 4523f8c50c9SJohn Crispin select PINCTRL 4533f8c50c9SJohn Crispin select PINCTRL_LANTIQ 454c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 455c530781cSJohn Crispin select RESET_CONTROLLER 456171bb2f1SJohn Crispin 45730ad29bbSHuacai Chenconfig MACH_LOONGSON32 458caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 459c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 460ade299d8SYoichi Yuasa help 46130ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 46285749d24SWu Zhangjin 46330ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 46430ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 46530ad29bbSHuacai Chen Sciences (CAS). 466ade299d8SYoichi Yuasa 46771e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 46871e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 469ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 470ca585cf9SKelvin Cheung help 47171e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 472ca585cf9SKelvin Cheung 47371e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 474caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4756fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4766fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4776fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4786fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4796fbde6b4SJiaxun Yang select BOOT_ELF32 4806fbde6b4SJiaxun Yang select BOARD_SCACHE 4816fbde6b4SJiaxun Yang select CSRC_R4K 4826fbde6b4SJiaxun Yang select CEVT_R4K 4836fbde6b4SJiaxun Yang select CPU_HAS_WB 4846fbde6b4SJiaxun Yang select FORCE_PCI 4856fbde6b4SJiaxun Yang select ISA 4866fbde6b4SJiaxun Yang select I8259 4876fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4887d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4895125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4906fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4916423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 4926fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4936fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4946fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4956fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4966fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4976fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4986fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4996fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 50071e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 501a307a4ceSJinyang He select SYS_SUPPORTS_RELOCATABLE 5026fbde6b4SJiaxun Yang select ZONE_DMA32 50387fcfa7bSJiaxun Yang select COMMON_CLK 50487fcfa7bSJiaxun Yang select USE_OF 50587fcfa7bSJiaxun Yang select BUILTIN_DTB 50639c1485cSHuacai Chen select PCI_HOST_GENERIC 50771e2f4ddSJiaxun Yang help 508caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 509caed1d1bSHuacai Chen 510caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 511caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 512caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 513caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 514ca585cf9SKelvin Cheung 5156a438309SAndrew Brestickerconfig MACH_PISTACHIO 5166a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5176a438309SAndrew Bresticker select BOOT_ELF32 5186a438309SAndrew Bresticker select BOOT_RAW 5196a438309SAndrew Bresticker select CEVT_R4K 5206a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5216a438309SAndrew Bresticker select COMMON_CLK 5226a438309SAndrew Bresticker select CSRC_R4K 523645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 524d30a2b47SLinus Walleij select GPIOLIB 52567e38cf2SRalf Baechle select IRQ_MIPS_CPU 5266a438309SAndrew Bresticker select MFD_SYSCON 5276a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5286a438309SAndrew Bresticker select MIPS_GIC 5296a438309SAndrew Bresticker select PINCTRL 5306a438309SAndrew Bresticker select REGULATOR 5316a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5326a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5336a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5346a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5356a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 53641cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5376a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 538018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 539018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5406a438309SAndrew Bresticker select USE_OF 5416a438309SAndrew Bresticker help 5426a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5436a438309SAndrew Bresticker 5441da177e4SLinus Torvaldsconfig MIPS_MALTA 5453fa986faSMartin Michlmayr bool "MIPS Malta board" 54661ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 547a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5487a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5491da177e4SLinus Torvalds select BOOT_ELF32 550fa71c960SRalf Baechle select BOOT_RAW 551e8823d26SPaul Burton select BUILTIN_DTB 55242f77542SRalf Baechle select CEVT_R4K 553fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 55442b002abSGuenter Roeck select COMMON_CLK 55547bf2b03SMaksym Kokhan select CSRC_R4K 556a86497d6SChristoph Hellwig select DMA_NONCOHERENT 5571da177e4SLinus Torvalds select GENERIC_ISA_DMA 5588a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 559eb01d42aSChristoph Hellwig select HAVE_PCI 560d865bea4SRalf Baechle select I8253 5611da177e4SLinus Torvalds select I8259 56247bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5635e83d430SRalf Baechle select MIPS_BONITO64 5649318c51aSChris Dearman select MIPS_CPU_SCACHE 56547bf2b03SMaksym Kokhan select MIPS_GIC 566a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5675e83d430SRalf Baechle select MIPS_MSC 56847bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 569ecafe3e9SPaul Burton select SMP_UP if SMP 5701da177e4SLinus Torvalds select SWAP_IO_SPACE 5717cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5727cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 573bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 574c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 575575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5767cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5775d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 578575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5797cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5807cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 581ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 582ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5835e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 584c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5855e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 586424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 58747bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5880365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 589e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 590f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 59147bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5929693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 593f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5941b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 595e8823d26SPaul Burton select USE_OF 596886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 597abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5981da177e4SLinus Torvalds help 599f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 6001da177e4SLinus Torvalds board. 6011da177e4SLinus Torvalds 6022572f00dSJoshua Hendersonconfig MACH_PIC32 6032572f00dSJoshua Henderson bool "Microchip PIC32 Family" 6042572f00dSJoshua Henderson help 6052572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 6062572f00dSJoshua Henderson 6072572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 6082572f00dSJoshua Henderson microcontrollers. 6092572f00dSJoshua Henderson 6105e83d430SRalf Baechleconfig MACH_VR41XX 61174142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 61242f77542SRalf Baechle select CEVT_R4K 613940f6b48SRalf Baechle select CSRC_R4K 6147cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 615377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 616d30a2b47SLinus Walleij select GPIOLIB 6175e83d430SRalf Baechle 618baec970aSLauri Kasanenconfig MACH_NINTENDO64 619baec970aSLauri Kasanen bool "Nintendo 64 console" 620baec970aSLauri Kasanen select CEVT_R4K 621baec970aSLauri Kasanen select CSRC_R4K 622baec970aSLauri Kasanen select SYS_HAS_CPU_R4300 623baec970aSLauri Kasanen select SYS_SUPPORTS_BIG_ENDIAN 624baec970aSLauri Kasanen select SYS_SUPPORTS_ZBOOT 625baec970aSLauri Kasanen select SYS_SUPPORTS_32BIT_KERNEL 626baec970aSLauri Kasanen select SYS_SUPPORTS_64BIT_KERNEL 627baec970aSLauri Kasanen select DMA_NONCOHERENT 628baec970aSLauri Kasanen select IRQ_MIPS_CPU 629baec970aSLauri Kasanen 630ae2b5bb6SJohn Crispinconfig RALINK 631ae2b5bb6SJohn Crispin bool "Ralink based machines" 632ae2b5bb6SJohn Crispin select CEVT_R4K 633ae2b5bb6SJohn Crispin select CSRC_R4K 634ae2b5bb6SJohn Crispin select BOOT_RAW 635ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 63667e38cf2SRalf Baechle select IRQ_MIPS_CPU 637ae2b5bb6SJohn Crispin select USE_OF 638ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 639ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 640ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 641ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 642377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 6431f0400d0SChuanhong Guo select SYS_SUPPORTS_ZBOOT 644ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 645ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6462a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6472a153f1cSJohn Crispin select RESET_CONTROLLER 648ae2b5bb6SJohn Crispin 6494042147aSBert Vermeulenconfig MACH_REALTEK_RTL 6504042147aSBert Vermeulen bool "Realtek RTL838x/RTL839x based machines" 6514042147aSBert Vermeulen select MIPS_GENERIC 6524042147aSBert Vermeulen select DMA_NONCOHERENT 6534042147aSBert Vermeulen select IRQ_MIPS_CPU 6544042147aSBert Vermeulen select CSRC_R4K 6554042147aSBert Vermeulen select CEVT_R4K 6564042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R1 6574042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R2 6584042147aSBert Vermeulen select SYS_SUPPORTS_BIG_ENDIAN 6594042147aSBert Vermeulen select SYS_SUPPORTS_32BIT_KERNEL 6604042147aSBert Vermeulen select SYS_SUPPORTS_MIPS16 6614042147aSBert Vermeulen select SYS_SUPPORTS_MULTITHREADING 6624042147aSBert Vermeulen select SYS_SUPPORTS_VPE_LOADER 6634042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK 6644042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK_8250 6654042147aSBert Vermeulen select USE_GENERIC_EARLY_PRINTK_8250 6664042147aSBert Vermeulen select BOOT_RAW 6674042147aSBert Vermeulen select PINCTRL 6684042147aSBert Vermeulen select USE_OF 6694042147aSBert Vermeulen 6701da177e4SLinus Torvaldsconfig SGI_IP22 6713fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 672c0de00b2SThomas Bogendoerfer select ARC_MEMORY 67339b2d756SThomas Bogendoerfer select ARC_PROMLIB 6740e2794b0SRalf Baechle select FW_ARC 6750e2794b0SRalf Baechle select FW_ARC32 6767a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6771da177e4SLinus Torvalds select BOOT_ELF32 67842f77542SRalf Baechle select CEVT_R4K 679940f6b48SRalf Baechle select CSRC_R4K 680e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6811da177e4SLinus Torvalds select DMA_NONCOHERENT 6826630a8e5SChristoph Hellwig select HAVE_EISA 683d865bea4SRalf Baechle select I8253 68468de4803SThomas Bogendoerfer select I8259 6851da177e4SLinus Torvalds select IP22_CPU_SCACHE 68667e38cf2SRalf Baechle select IRQ_MIPS_CPU 687aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 688e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 689e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 69036e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 691e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 692e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 693e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6941da177e4SLinus Torvalds select SWAP_IO_SPACE 6957cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6967cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 697c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 698ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 699ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7005e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 701802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 7025e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 70344def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 704930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7051da177e4SLinus Torvalds help 7061da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 7071da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7081da177e4SLinus Torvalds that runs on these, say Y here. 7091da177e4SLinus Torvalds 7101da177e4SLinus Torvaldsconfig SGI_IP27 7113fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 71254aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 713397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7140e2794b0SRalf Baechle select FW_ARC 7150e2794b0SRalf Baechle select FW_ARC64 716e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7175e83d430SRalf Baechle select BOOT_ELF64 718e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 71904100459SChristoph Hellwig select FORCE_PCI 72036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 721eb01d42aSChristoph Hellwig select HAVE_PCI 72269a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 723e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 724130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 725a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 726a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7277cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 728ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7295e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 730d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7311a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 732256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 733930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7346c86a302SMike Rapoport select NUMA 7351da177e4SLinus Torvalds help 7361da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7371da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7381da177e4SLinus Torvalds here. 7391da177e4SLinus Torvalds 740e2defae5SThomas Bogendoerferconfig SGI_IP28 7417d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 742c0de00b2SThomas Bogendoerfer select ARC_MEMORY 74339b2d756SThomas Bogendoerfer select ARC_PROMLIB 7440e2794b0SRalf Baechle select FW_ARC 7450e2794b0SRalf Baechle select FW_ARC64 7467a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 747e2defae5SThomas Bogendoerfer select BOOT_ELF64 748e2defae5SThomas Bogendoerfer select CEVT_R4K 749e2defae5SThomas Bogendoerfer select CSRC_R4K 750e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 751e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 752e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 75367e38cf2SRalf Baechle select IRQ_MIPS_CPU 7546630a8e5SChristoph Hellwig select HAVE_EISA 755e2defae5SThomas Bogendoerfer select I8253 756e2defae5SThomas Bogendoerfer select I8259 757e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 758e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7595b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 760e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 761e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 762e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 763e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 764e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 765c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 766e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 767e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 768256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 769dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 770e2defae5SThomas Bogendoerfer help 771e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 772e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 773e2defae5SThomas Bogendoerfer 7747505576dSThomas Bogendoerferconfig SGI_IP30 7757505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7767505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7777505576dSThomas Bogendoerfer select FW_ARC 7787505576dSThomas Bogendoerfer select FW_ARC64 7797505576dSThomas Bogendoerfer select BOOT_ELF64 7807505576dSThomas Bogendoerfer select CEVT_R4K 7817505576dSThomas Bogendoerfer select CSRC_R4K 78204100459SChristoph Hellwig select FORCE_PCI 7837505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7847505576dSThomas Bogendoerfer select ZONE_DMA32 7857505576dSThomas Bogendoerfer select HAVE_PCI 7867505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7877505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7887505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7897505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7907505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7917505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7927505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7937505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7947505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7957505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 796256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 7977505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7987505576dSThomas Bogendoerfer select ARC_MEMORY 7997505576dSThomas Bogendoerfer help 8007505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 8017505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 8027505576dSThomas Bogendoerfer 8031da177e4SLinus Torvaldsconfig SGI_IP32 804cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 80539b2d756SThomas Bogendoerfer select ARC_MEMORY 80639b2d756SThomas Bogendoerfer select ARC_PROMLIB 80703df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 8080e2794b0SRalf Baechle select FW_ARC 8090e2794b0SRalf Baechle select FW_ARC32 8101da177e4SLinus Torvalds select BOOT_ELF32 81142f77542SRalf Baechle select CEVT_R4K 812940f6b48SRalf Baechle select CSRC_R4K 8131da177e4SLinus Torvalds select DMA_NONCOHERENT 814eb01d42aSChristoph Hellwig select HAVE_PCI 81567e38cf2SRalf Baechle select IRQ_MIPS_CPU 8161da177e4SLinus Torvalds select R5000_CPU_SCACHE 8171da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8187cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8197cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8207cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 821dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 822ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 824886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 8251da177e4SLinus Torvalds help 8261da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8271da177e4SLinus Torvalds 828ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 829ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8305e83d430SRalf Baechle select BOOT_ELF32 8315e83d430SRalf Baechle select SIBYTE_BCM1120 8325e83d430SRalf Baechle select SWAP_IO_SPACE 8337cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8345e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8365e83d430SRalf Baechle 837ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 838ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8395e83d430SRalf Baechle select BOOT_ELF32 8405e83d430SRalf Baechle select SIBYTE_BCM1120 8415e83d430SRalf Baechle select SWAP_IO_SPACE 8427cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8435e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8445e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8455e83d430SRalf Baechle 8465e83d430SRalf Baechleconfig SIBYTE_CRHONE 8473fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8485e83d430SRalf Baechle select BOOT_ELF32 8495e83d430SRalf Baechle select SIBYTE_BCM1125 8505e83d430SRalf Baechle select SWAP_IO_SPACE 8517cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8535e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8545e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8555e83d430SRalf Baechle 856ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 857ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 858ade299d8SYoichi Yuasa select BOOT_ELF32 859ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 860ade299d8SYoichi Yuasa select SWAP_IO_SPACE 861ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 862ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 863ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 864ade299d8SYoichi Yuasa 865ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 866ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 867ade299d8SYoichi Yuasa select BOOT_ELF32 868fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 869ade299d8SYoichi Yuasa select SIBYTE_SB1250 870ade299d8SYoichi Yuasa select SWAP_IO_SPACE 871ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 872ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 873ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 874ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 875cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 876e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 877ade299d8SYoichi Yuasa 878ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 879ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 880ade299d8SYoichi Yuasa select BOOT_ELF32 881fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 882ade299d8SYoichi Yuasa select SIBYTE_SB1250 883ade299d8SYoichi Yuasa select SWAP_IO_SPACE 884ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 885ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 886ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 887ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 888756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 889ade299d8SYoichi Yuasa 890ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 891ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 892ade299d8SYoichi Yuasa select BOOT_ELF32 893ade299d8SYoichi Yuasa select SIBYTE_SB1250 894ade299d8SYoichi Yuasa select SWAP_IO_SPACE 895ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 896ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 897ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 898e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 899ade299d8SYoichi Yuasa 900ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 901ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 902ade299d8SYoichi Yuasa select BOOT_ELF32 903ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 904ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 905ade299d8SYoichi Yuasa select SWAP_IO_SPACE 906ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 907ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 908651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 909ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 910cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 911e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 912ade299d8SYoichi Yuasa 91314b36af4SThomas Bogendoerferconfig SNI_RM 91414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 91539b2d756SThomas Bogendoerfer select ARC_MEMORY 91639b2d756SThomas Bogendoerfer select ARC_PROMLIB 9170e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9180e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 919aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9205e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 921a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9227a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9235e83d430SRalf Baechle select BOOT_ELF32 92442f77542SRalf Baechle select CEVT_R4K 925940f6b48SRalf Baechle select CSRC_R4K 926e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9275e83d430SRalf Baechle select DMA_NONCOHERENT 9285e83d430SRalf Baechle select GENERIC_ISA_DMA 9296630a8e5SChristoph Hellwig select HAVE_EISA 9308a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 931eb01d42aSChristoph Hellwig select HAVE_PCI 93267e38cf2SRalf Baechle select IRQ_MIPS_CPU 933d865bea4SRalf Baechle select I8253 9345e83d430SRalf Baechle select I8259 9355e83d430SRalf Baechle select ISA 936564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9374a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9387cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9394a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 940c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9414a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 94236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 943ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9447d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9454a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9465e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9475e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 94844def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9491da177e4SLinus Torvalds help 95014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 95114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9525e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9535e83d430SRalf Baechle support this machine type. 9541da177e4SLinus Torvalds 955edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 956edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9575e83d430SRalf Baechle 958edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 959edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 96024a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 96123fbee9dSRalf Baechle 96273b4390fSRalf Baechleconfig MIKROTIK_RB532 96373b4390fSRalf Baechle bool "Mikrotik RB532 boards" 96473b4390fSRalf Baechle select CEVT_R4K 96573b4390fSRalf Baechle select CSRC_R4K 96673b4390fSRalf Baechle select DMA_NONCOHERENT 967eb01d42aSChristoph Hellwig select HAVE_PCI 96867e38cf2SRalf Baechle select IRQ_MIPS_CPU 96973b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 97073b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 97173b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 97273b4390fSRalf Baechle select SWAP_IO_SPACE 97373b4390fSRalf Baechle select BOOT_RAW 974d30a2b47SLinus Walleij select GPIOLIB 975930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 97673b4390fSRalf Baechle help 97773b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 97873b4390fSRalf Baechle based on the IDT RC32434 SoC. 97973b4390fSRalf Baechle 9809ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9819ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 982a86c7f72SDavid Daney select CEVT_R4K 983ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9841753d50cSChristoph Hellwig select HAVE_RAPIDIO 985d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 986a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 987a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 988f65aad41SRalf Baechle select EDAC_SUPPORT 989b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 99073569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 99173569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 992a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9935e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 994eb01d42aSChristoph Hellwig select HAVE_PCI 99578bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 99678bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 99778bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 998f00e001eSDavid Daney select ZONE_DMA32 999465aaed0SDavid Daney select HOLES_IN_ZONE 1000d30a2b47SLinus Walleij select GPIOLIB 10016e511163SDavid Daney select USE_OF 10026e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 10036e511163SDavid Daney select SYS_SUPPORTS_SMP 10047820b84bSDavid Daney select NR_CPUS_DEFAULT_64 10057820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 1006e326479fSAndrew Bresticker select BUILTIN_DTB 1007f766b28aSJulian Braha select MTD 10088c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 100909230cbcSChristoph Hellwig select SWIOTLB 10103ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 1011a86c7f72SDavid Daney help 1012a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 1013a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 1014a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 1015a86c7f72SDavid Daney Some of the supported boards are: 1016a86c7f72SDavid Daney EBT3000 1017a86c7f72SDavid Daney EBH3000 1018a86c7f72SDavid Daney EBH3100 1019a86c7f72SDavid Daney Thunder 1020a86c7f72SDavid Daney Kodama 1021a86c7f72SDavid Daney Hikari 1022a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1023a86c7f72SDavid Daney 10247f058e85SJayachandran Cconfig NLM_XLR_BOARD 10257f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10267f058e85SJayachandran C select BOOT_ELF32 10277f058e85SJayachandran C select NLM_COMMON 10287f058e85SJayachandran C select SYS_HAS_CPU_XLR 10297f058e85SJayachandran C select SYS_SUPPORTS_SMP 1030eb01d42aSChristoph Hellwig select HAVE_PCI 10317f058e85SJayachandran C select SWAP_IO_SPACE 10327f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10337f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1034d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10357f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10367f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10377f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10387f058e85SJayachandran C select CEVT_R4K 10397f058e85SJayachandran C select CSRC_R4K 104067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1041b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10427f058e85SJayachandran C select SYNC_R4K 10437f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10448f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10458f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10467f058e85SJayachandran C help 10477f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10487f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10497f058e85SJayachandran C 10501c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10511c773ea4SJayachandran C bool "Netlogic XLP based systems" 10521c773ea4SJayachandran C select BOOT_ELF32 10531c773ea4SJayachandran C select NLM_COMMON 10541c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10551c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1056eb01d42aSChristoph Hellwig select HAVE_PCI 10571c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10581c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1059d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1060d30a2b47SLinus Walleij select GPIOLIB 10611c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10621c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10631c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10641c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10651c773ea4SJayachandran C select CEVT_R4K 10661c773ea4SJayachandran C select CSRC_R4K 106767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1068b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10691c773ea4SJayachandran C select SYNC_R4K 10701c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10712f6528e1SJayachandran C select USE_OF 10728f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10738f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10741c773ea4SJayachandran C help 10751c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10761c773ea4SJayachandran C Say Y here if you have a XLP based board. 10771c773ea4SJayachandran C 10781da177e4SLinus Torvaldsendchoice 10791da177e4SLinus Torvalds 1080e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10813b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1082d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1083a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1084e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10858945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1086eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1087a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10885e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10898ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10902572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1091af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 1092ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10965e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1097a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 109871e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 109930ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 110030ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 11017f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 110238b18f72SRalf Baechle 11035e83d430SRalf Baechleendmenu 11045e83d430SRalf Baechle 11053c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11063c9ee7efSAkinobu Mita bool 11073c9ee7efSAkinobu Mita default y 11083c9ee7efSAkinobu Mita 11091da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11101da177e4SLinus Torvalds bool 11111da177e4SLinus Torvalds default y 11121da177e4SLinus Torvalds 1113ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11141cc89038SAtsushi Nemoto bool 11151cc89038SAtsushi Nemoto default y 11161cc89038SAtsushi Nemoto 11171da177e4SLinus Torvalds# 11181da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11191da177e4SLinus Torvalds# 11200e2794b0SRalf Baechleconfig FW_ARC 11211da177e4SLinus Torvalds bool 11221da177e4SLinus Torvalds 112361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112461ed242dSRalf Baechle bool 112561ed242dSRalf Baechle 11269267a30dSMarc St-Jeanconfig BOOT_RAW 11279267a30dSMarc St-Jean bool 11289267a30dSMarc St-Jean 1129217dd11eSRalf Baechleconfig CEVT_BCM1480 1130217dd11eSRalf Baechle bool 1131217dd11eSRalf Baechle 11326457d9fcSYoichi Yuasaconfig CEVT_DS1287 11336457d9fcSYoichi Yuasa bool 11346457d9fcSYoichi Yuasa 11351097c6acSYoichi Yuasaconfig CEVT_GT641XX 11361097c6acSYoichi Yuasa bool 11371097c6acSYoichi Yuasa 113842f77542SRalf Baechleconfig CEVT_R4K 113942f77542SRalf Baechle bool 114042f77542SRalf Baechle 1141217dd11eSRalf Baechleconfig CEVT_SB1250 1142217dd11eSRalf Baechle bool 1143217dd11eSRalf Baechle 1144229f773eSAtsushi Nemotoconfig CEVT_TXX9 1145229f773eSAtsushi Nemoto bool 1146229f773eSAtsushi Nemoto 1147217dd11eSRalf Baechleconfig CSRC_BCM1480 1148217dd11eSRalf Baechle bool 1149217dd11eSRalf Baechle 11504247417dSYoichi Yuasaconfig CSRC_IOASIC 11514247417dSYoichi Yuasa bool 11524247417dSYoichi Yuasa 1153940f6b48SRalf Baechleconfig CSRC_R4K 115438586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1155940f6b48SRalf Baechle bool 1156940f6b48SRalf Baechle 1157217dd11eSRalf Baechleconfig CSRC_SB1250 1158217dd11eSRalf Baechle bool 1159217dd11eSRalf Baechle 1160a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1161a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1162a7f4df4eSAlex Smith 1163a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1164d30a2b47SLinus Walleij select GPIOLIB 1165a9aec7feSAtsushi Nemoto bool 1166a9aec7feSAtsushi Nemoto 11670e2794b0SRalf Baechleconfig FW_CFE 1168df78b5c8SAurelien Jarno bool 1169df78b5c8SAurelien Jarno 117040e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 117140e084a5SRalf Baechle bool 117240e084a5SRalf Baechle 117320d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 117420d33064SPaul Burton bool 1175347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11765748e1b3SChristoph Hellwig select DMA_NONCOHERENT 117720d33064SPaul Burton 11781da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11791da177e4SLinus Torvalds bool 1180db91427bSChristoph Hellwig # 1181db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1182db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1183db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1184db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1185db91427bSChristoph Hellwig # significant advantages. 1186db91427bSChristoph Hellwig # 1187419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1188fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1189f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1190fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 119134dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 119234dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11934ce588cdSRalf Baechle 119436a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11951da177e4SLinus Torvalds bool 11961da177e4SLinus Torvalds 11971b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1198dbb74540SRalf Baechle bool 1199dbb74540SRalf Baechle 12001da177e4SLinus Torvaldsconfig MIPS_BONITO64 12011da177e4SLinus Torvalds bool 12021da177e4SLinus Torvalds 12031da177e4SLinus Torvaldsconfig MIPS_MSC 12041da177e4SLinus Torvalds bool 12051da177e4SLinus Torvalds 120639b8d525SRalf Baechleconfig SYNC_R4K 120739b8d525SRalf Baechle bool 120839b8d525SRalf Baechle 1209ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1210d388d685SMaciej W. Rozycki def_bool n 1211d388d685SMaciej W. Rozycki 12124e0748f5SMarkos Chandrasconfig GENERIC_CSUM 121318d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 12144e0748f5SMarkos Chandras 12158313da30SRalf Baechleconfig GENERIC_ISA_DMA 12168313da30SRalf Baechle bool 12178313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1218a35bee8aSNamhyung Kim select ISA_DMA_API 12198313da30SRalf Baechle 1220aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1221aa414dffSRalf Baechle bool 12228313da30SRalf Baechle select GENERIC_ISA_DMA 1223aa414dffSRalf Baechle 122478bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 122578bdbbacSMasahiro Yamada bool 122678bdbbacSMasahiro Yamada 122778bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 122878bdbbacSMasahiro Yamada bool 122978bdbbacSMasahiro Yamada 123078bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 123178bdbbacSMasahiro Yamada bool 123278bdbbacSMasahiro Yamada 1233a35bee8aSNamhyung Kimconfig ISA_DMA_API 1234a35bee8aSNamhyung Kim bool 1235a35bee8aSNamhyung Kim 1236465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1237465aaed0SDavid Daney bool 1238465aaed0SDavid Daney 12398c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12408c530ea3SMatt Redfearn bool 12418c530ea3SMatt Redfearn help 12428c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12438c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12448c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12458c530ea3SMatt Redfearn 1246f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1247f381bf6dSDavid Daney def_bool y 1248f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1249f381bf6dSDavid Daney 1250f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1251f381bf6dSDavid Daney def_bool y 1252f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1253f381bf6dSDavid Daney 1254f381bf6dSDavid Daney 12555e83d430SRalf Baechle# 12566b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12575e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12585e83d430SRalf Baechle# choice statement should be more obvious to the user. 12595e83d430SRalf Baechle# 12605e83d430SRalf Baechlechoice 12616b2aac42SMasanari Iida prompt "Endianness selection" 12621da177e4SLinus Torvalds help 12631da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12645e83d430SRalf Baechle byte order. These modes require different kernels and a different 12653cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12665e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12673dde6ad8SDavid Sterba one or the other endianness. 12685e83d430SRalf Baechle 12695e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12705e83d430SRalf Baechle bool "Big endian" 12715e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12725e83d430SRalf Baechle 12735e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12745e83d430SRalf Baechle bool "Little endian" 12755e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12765e83d430SRalf Baechle 12775e83d430SRalf Baechleendchoice 12785e83d430SRalf Baechle 127922b0763aSDavid Daneyconfig EXPORT_UASM 128022b0763aSDavid Daney bool 128122b0763aSDavid Daney 12822116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12832116245eSRalf Baechle bool 12842116245eSRalf Baechle 12855e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12865e83d430SRalf Baechle bool 12875e83d430SRalf Baechle 12885e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12895e83d430SRalf Baechle bool 12901da177e4SLinus Torvalds 1291aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1292aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1293aa1762f4SDavid Daney 12949267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12959267a30dSMarc St-Jean bool 12969267a30dSMarc St-Jean 12979267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12989267a30dSMarc St-Jean bool 12999267a30dSMarc St-Jean 13008420fd00SAtsushi Nemotoconfig IRQ_TXX9 13018420fd00SAtsushi Nemoto bool 13028420fd00SAtsushi Nemoto 1303d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1304d5ab1a69SYoichi Yuasa bool 1305d5ab1a69SYoichi Yuasa 1306252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13071da177e4SLinus Torvalds bool 13081da177e4SLinus Torvalds 1309a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1310a57140e9SThomas Bogendoerfer bool 1311a57140e9SThomas Bogendoerfer 13129267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13139267a30dSMarc St-Jean bool 13149267a30dSMarc St-Jean 1315a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1316a7e07b1aSMarkos Chandras bool 1317a7e07b1aSMarkos Chandras 13181da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13191da177e4SLinus Torvalds bool 13201da177e4SLinus Torvalds 1321e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1322e2defae5SThomas Bogendoerfer bool 1323e2defae5SThomas Bogendoerfer 13245b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13255b438c44SThomas Bogendoerfer bool 13265b438c44SThomas Bogendoerfer 1327e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1328e2defae5SThomas Bogendoerfer bool 1329e2defae5SThomas Bogendoerfer 1330e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1331e2defae5SThomas Bogendoerfer bool 1332e2defae5SThomas Bogendoerfer 1333e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1334e2defae5SThomas Bogendoerfer bool 1335e2defae5SThomas Bogendoerfer 1336e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1337e2defae5SThomas Bogendoerfer bool 1338e2defae5SThomas Bogendoerfer 1339e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1340e2defae5SThomas Bogendoerfer bool 1341e2defae5SThomas Bogendoerfer 13420e2794b0SRalf Baechleconfig FW_ARC32 13435e83d430SRalf Baechle bool 13445e83d430SRalf Baechle 1345aaa9fad3SPaul Bolleconfig FW_SNIPROM 1346231a35d3SThomas Bogendoerfer bool 1347231a35d3SThomas Bogendoerfer 13481da177e4SLinus Torvaldsconfig BOOT_ELF32 13491da177e4SLinus Torvalds bool 13501da177e4SLinus Torvalds 1351930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1352930beb5aSFlorian Fainelli bool 1353930beb5aSFlorian Fainelli 1354930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1355930beb5aSFlorian Fainelli bool 1356930beb5aSFlorian Fainelli 1357930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1358930beb5aSFlorian Fainelli bool 1359930beb5aSFlorian Fainelli 1360930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1361930beb5aSFlorian Fainelli bool 1362930beb5aSFlorian Fainelli 13631da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13641da177e4SLinus Torvalds int 1365a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13665432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13675432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13685432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13691da177e4SLinus Torvalds default "5" 13701da177e4SLinus Torvalds 1371e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1372e9422427SThomas Bogendoerfer bool 1373e9422427SThomas Bogendoerfer 13741da177e4SLinus Torvaldsconfig ARC_CONSOLE 13751da177e4SLinus Torvalds bool "ARC console support" 1376e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13771da177e4SLinus Torvalds 13781da177e4SLinus Torvaldsconfig ARC_MEMORY 13791da177e4SLinus Torvalds bool 13801da177e4SLinus Torvalds 13811da177e4SLinus Torvaldsconfig ARC_PROMLIB 13821da177e4SLinus Torvalds bool 13831da177e4SLinus Torvalds 13840e2794b0SRalf Baechleconfig FW_ARC64 13851da177e4SLinus Torvalds bool 13861da177e4SLinus Torvalds 13871da177e4SLinus Torvaldsconfig BOOT_ELF64 13881da177e4SLinus Torvalds bool 13891da177e4SLinus Torvalds 13901da177e4SLinus Torvaldsmenu "CPU selection" 13911da177e4SLinus Torvalds 13921da177e4SLinus Torvaldschoice 13931da177e4SLinus Torvalds prompt "CPU type" 13941da177e4SLinus Torvalds default CPU_R4X00 13951da177e4SLinus Torvalds 1396268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1397caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1398268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1399d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 140051522217SJiaxun Yang select CPU_MIPSR2 140151522217SJiaxun Yang select CPU_HAS_PREFETCH 14020e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14030e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14040e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14057507445bSHuacai Chen select CPU_SUPPORTS_MSA 140651522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 140751522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 14080e476d91SHuacai Chen select WEAK_ORDERING 14090e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14107507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1411b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 141217c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1413d30a2b47SLinus Walleij select GPIOLIB 141409230cbcSChristoph Hellwig select SWIOTLB 14150f78355cSHuacai Chen select HAVE_KVM 14160e476d91SHuacai Chen help 1417caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1418caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1419caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1420caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1421caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14220e476d91SHuacai Chen 1423caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1424caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14251e820da3SHuacai Chen default n 1426268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14271e820da3SHuacai Chen help 1428caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14291e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1430268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14311e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14321e820da3SHuacai Chen Fast TLB refill support, etc. 14331e820da3SHuacai Chen 14341e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14351e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14361e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1437caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14381e820da3SHuacai Chen 1439e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1440caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1441e02e07e3SHuacai Chen default y if SMP 1442268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1443e02e07e3SHuacai Chen help 1444caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1445e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1446e02e07e3SHuacai Chen 1447caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1448e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1449e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1450e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1451e02e07e3SHuacai Chen 1452e02e07e3SHuacai Chen If unsure, please say Y. 1453e02e07e3SHuacai Chen 1454ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1455ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1456ec7a9318SWANG Xuerui default y 1457ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1458ec7a9318SWANG Xuerui help 1459ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1460ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1461ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1462ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1463ec7a9318SWANG Xuerui 1464ec7a9318SWANG Xuerui If unsure, please say Y. 1465ec7a9318SWANG Xuerui 14663702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14673702bba5SWu Zhangjin bool "Loongson 2E" 14683702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1469268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14702a21c730SFuxin Zhang help 14712a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14722a21c730SFuxin Zhang with many extensions. 14732a21c730SFuxin Zhang 147425985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14756f7a251aSWu Zhangjin bonito64. 14766f7a251aSWu Zhangjin 14776f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14786f7a251aSWu Zhangjin bool "Loongson 2F" 14796f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1480268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1481d30a2b47SLinus Walleij select GPIOLIB 14826f7a251aSWu Zhangjin help 14836f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14846f7a251aSWu Zhangjin with many extensions. 14856f7a251aSWu Zhangjin 14866f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14876f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14886f7a251aSWu Zhangjin Loongson2E. 14896f7a251aSWu Zhangjin 1490ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1491ca585cf9SKelvin Cheung bool "Loongson 1B" 1492ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1493b2afb64cSHuacai Chen select CPU_LOONGSON32 14949ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1495ca585cf9SKelvin Cheung help 1496ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1497968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1498968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1499ca585cf9SKelvin Cheung 150012e3280bSYang Lingconfig CPU_LOONGSON1C 150112e3280bSYang Ling bool "Loongson 1C" 150212e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1503b2afb64cSHuacai Chen select CPU_LOONGSON32 150412e3280bSYang Ling select LEDS_GPIO_REGISTER 150512e3280bSYang Ling help 150612e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1507968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1508968dc5a0S谢致邦 (XIE Zhibang) instruction set. 150912e3280bSYang Ling 15106e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15116e760c8dSRalf Baechle bool "MIPS32 Release 1" 15127cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15136e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1514797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1515ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15166e760c8dSRalf Baechle help 15175e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15181e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15191e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15201e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15211e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15221e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15231e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15241e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15251e5f1caaSRalf Baechle performance. 15261e5f1caaSRalf Baechle 15271e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15281e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15297cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15301e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1531797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1532ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1533a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15342235a54dSSanjay Lal select HAVE_KVM 15351e5f1caaSRalf Baechle help 15365e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15376e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15386e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15396e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15406e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15411da177e4SLinus Torvalds 1542ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1543ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1544ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1545ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1546ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1547ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1548ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1549ab7c01fdSSerge Semin select HAVE_KVM 1550ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1551ab7c01fdSSerge Semin help 1552ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1553ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1554ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1555ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1556ab7c01fdSSerge Semin 15577fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1558674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15597fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15607fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 156118d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15627fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15637fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15647fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15657fd08ca5SLeonid Yegoshin select HAVE_KVM 15667fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15677fd08ca5SLeonid Yegoshin help 15687fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15697fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15707fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15717fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15727fd08ca5SLeonid Yegoshin 15736e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15746e760c8dSRalf Baechle bool "MIPS64 Release 1" 15757cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1576797798c1SRalf Baechle select CPU_HAS_PREFETCH 1577ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1579ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15809cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15816e760c8dSRalf Baechle help 15826e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15836e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15846e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15856e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15866e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15871e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15881e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15891e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15901e5f1caaSRalf Baechle performance. 15911e5f1caaSRalf Baechle 15921e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15931e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15947cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1595797798c1SRalf Baechle select CPU_HAS_PREFETCH 15961e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15971e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1598ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15999cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1600a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 160140a2df49SJames Hogan select HAVE_KVM 16021e5f1caaSRalf Baechle help 16031e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16041e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16051e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16061e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16071e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16081da177e4SLinus Torvalds 1609ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1610ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1611ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1612ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1613ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1614ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1615ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1616ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1617ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1618ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1619ab7c01fdSSerge Semin select HAVE_KVM 1620ab7c01fdSSerge Semin help 1621ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1622ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1623ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1624ab7c01fdSSerge Semin any hardware known to be based on this release. 1625ab7c01fdSSerge Semin 16267fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1627674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16287fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16297fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 163018d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 16317fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1634afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16362e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 163740a2df49SJames Hogan select HAVE_KVM 16387fd08ca5SLeonid Yegoshin help 16397fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16407fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16417fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16427fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16437fd08ca5SLeonid Yegoshin 1644281e3aeaSSerge Seminconfig CPU_P5600 1645281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1646281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1647281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1648281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1649281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1650281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1651281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1652281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1653281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1654281e3aeaSSerge Semin select HAVE_KVM 1655281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1656281e3aeaSSerge Semin help 1657281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1658281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1659281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1660281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1661281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1662281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1663281e3aeaSSerge Semin eJTAG and PDtrace. 1664281e3aeaSSerge Semin 16651da177e4SLinus Torvaldsconfig CPU_R3000 16661da177e4SLinus Torvalds bool "R3000" 16677cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1668f7062ddbSRalf Baechle select CPU_HAS_WB 166954746829SPaul Burton select CPU_R3K_TLB 1670ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1671797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16721da177e4SLinus Torvalds help 16731da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16741da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16751da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16761da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16771da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16781da177e4SLinus Torvalds try to recompile with R3000. 16791da177e4SLinus Torvalds 16801da177e4SLinus Torvaldsconfig CPU_TX39XX 16811da177e4SLinus Torvalds bool "R39XX" 16827cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1683ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 168454746829SPaul Burton select CPU_R3K_TLB 16851da177e4SLinus Torvalds 16861da177e4SLinus Torvaldsconfig CPU_VR41XX 16871da177e4SLinus Torvalds bool "R41xx" 16887cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1689ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1690ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16911da177e4SLinus Torvalds help 16925e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16931da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16941da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16951da177e4SLinus Torvalds processor or vice versa. 16961da177e4SLinus Torvalds 169765ce6197SLauri Kasanenconfig CPU_R4300 169865ce6197SLauri Kasanen bool "R4300" 169965ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 170065ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 170165ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 170265ce6197SLauri Kasanen select CPU_HAS_LOAD_STORE_LR 170365ce6197SLauri Kasanen help 170465ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 170565ce6197SLauri Kasanen 17061da177e4SLinus Torvaldsconfig CPU_R4X00 17071da177e4SLinus Torvalds bool "R4x00" 17087cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1709ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1710ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1711970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17121da177e4SLinus Torvalds help 17131da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 17141da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 17151da177e4SLinus Torvalds 17161da177e4SLinus Torvaldsconfig CPU_TX49XX 17171da177e4SLinus Torvalds bool "R49XX" 17187cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1719de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1720ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1721ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1722970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17231da177e4SLinus Torvalds 17241da177e4SLinus Torvaldsconfig CPU_R5000 17251da177e4SLinus Torvalds bool "R5000" 17267cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1727ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1728ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1729970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17301da177e4SLinus Torvalds help 17311da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 17321da177e4SLinus Torvalds 1733542c1020SShinya Kuribayashiconfig CPU_R5500 1734542c1020SShinya Kuribayashi bool "R5500" 1735542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1736542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1737542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17389cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1739542c1020SShinya Kuribayashi help 1740542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1741542c1020SShinya Kuribayashi instruction set. 1742542c1020SShinya Kuribayashi 17431da177e4SLinus Torvaldsconfig CPU_NEVADA 17441da177e4SLinus Torvalds bool "RM52xx" 17457cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1746ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1747ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1748970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17491da177e4SLinus Torvalds help 17501da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17511da177e4SLinus Torvalds 17521da177e4SLinus Torvaldsconfig CPU_R10000 17531da177e4SLinus Torvalds bool "R10000" 17547cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17555e83d430SRalf Baechle select CPU_HAS_PREFETCH 1756ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1757ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1758797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1759970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17601da177e4SLinus Torvalds help 17611da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17621da177e4SLinus Torvalds 17631da177e4SLinus Torvaldsconfig CPU_RM7000 17641da177e4SLinus Torvalds bool "RM7000" 17657cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17665e83d430SRalf Baechle select CPU_HAS_PREFETCH 1767ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1768ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1769797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1770970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17711da177e4SLinus Torvalds 17721da177e4SLinus Torvaldsconfig CPU_SB1 17731da177e4SLinus Torvalds bool "SB1" 17747cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1775ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1776ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1777797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1778970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17790004a9dfSRalf Baechle select WEAK_ORDERING 17801da177e4SLinus Torvalds 1781a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1782a86c7f72SDavid Daney bool "Cavium Octeon processor" 17835e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1784a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1785a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1786a86c7f72SDavid Daney select WEAK_ORDERING 1787a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17889cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1789df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1790df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1791930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17920ae3abcdSJames Hogan select HAVE_KVM 1793a86c7f72SDavid Daney help 1794a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1795a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1796a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1797a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1798a86c7f72SDavid Daney 1799cd746249SJonas Gorskiconfig CPU_BMIPS 1800cd746249SJonas Gorski bool "Broadcom BMIPS" 1801cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1802cd746249SJonas Gorski select CPU_MIPS32 1803fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1804cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1805cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1806cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1807cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1808cd746249SJonas Gorski select DMA_NONCOHERENT 180967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1810cd746249SJonas Gorski select SWAP_IO_SPACE 1811cd746249SJonas Gorski select WEAK_ORDERING 1812c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 181369aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1814a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1815a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1816c1c0c461SKevin Cernekee help 1817fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1818c1c0c461SKevin Cernekee 18197f058e85SJayachandran Cconfig CPU_XLR 18207f058e85SJayachandran C bool "Netlogic XLR SoC" 18217f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 18227f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18237f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18247f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1825970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18267f058e85SJayachandran C select WEAK_ORDERING 18277f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18287f058e85SJayachandran C help 18297f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18301c773ea4SJayachandran C 18311c773ea4SJayachandran Cconfig CPU_XLP 18321c773ea4SJayachandran C bool "Netlogic XLP SoC" 18331c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18341c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18351c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18361c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18371c773ea4SJayachandran C select WEAK_ORDERING 18381c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18391c773ea4SJayachandran C select CPU_HAS_PREFETCH 1840d6504846SJayachandran C select CPU_MIPSR2 1841ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18422db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18431c773ea4SJayachandran C help 18441c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18451da177e4SLinus Torvaldsendchoice 18461da177e4SLinus Torvalds 1847a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1848a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1849a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1850281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1851281e3aeaSSerge Semin CPU_P5600 1852a6e18781SLeonid Yegoshin help 1853a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1854a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1855a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1856a6e18781SLeonid Yegoshin 1857a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1858a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1859a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1860a6e18781SLeonid Yegoshin select EVA 1861a6e18781SLeonid Yegoshin default y 1862a6e18781SLeonid Yegoshin help 1863a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1864a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1865a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1866a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1867a6e18781SLeonid Yegoshin 1868c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1869c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1870c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1871281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1872c5b36783SSteven J. Hill help 1873c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1874c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1875c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1876c5b36783SSteven J. Hill 1877c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1878c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1879c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1880c5b36783SSteven J. Hill depends on !EVA 1881c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1882c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1883c5b36783SSteven J. Hill select XPA 1884c5b36783SSteven J. Hill select HIGHMEM 1885d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1886c5b36783SSteven J. Hill default n 1887c5b36783SSteven J. Hill help 1888c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1889c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1890c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1891c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1892c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1893c5b36783SSteven J. Hill If unsure, say 'N' here. 1894c5b36783SSteven J. Hill 1895622844bfSWu Zhangjinif CPU_LOONGSON2F 1896622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1897622844bfSWu Zhangjin bool 1898622844bfSWu Zhangjin 1899622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1900622844bfSWu Zhangjin bool 1901622844bfSWu Zhangjin 1902622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1903622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1904622844bfSWu Zhangjin default y 1905622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1906622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1907622844bfSWu Zhangjin help 1908622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1909622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1910622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1911622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1912622844bfSWu Zhangjin 1913622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1914622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1915622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1916622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1917622844bfSWu Zhangjin systems. 1918622844bfSWu Zhangjin 1919622844bfSWu Zhangjin If unsure, please say Y. 1920622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1921622844bfSWu Zhangjin 19221b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19231b93b3c3SWu Zhangjin bool 19241b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19251b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 192631c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19271b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1928fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19294e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1930a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 19311b93b3c3SWu Zhangjin 19321b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19331b93b3c3SWu Zhangjin bool 19341b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19351b93b3c3SWu Zhangjin 1936dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1937dbb98314SAlban Bedel bool 1938dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1939dbb98314SAlban Bedel 1940268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19413702bba5SWu Zhangjin bool 19423702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19433702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19443702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1945970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1946e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 19473702bba5SWu Zhangjin 1948b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1949ca585cf9SKelvin Cheung bool 1950ca585cf9SKelvin Cheung select CPU_MIPS32 19517e280f6bSJiaxun Yang select CPU_MIPSR2 1952ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1953ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1954ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1955f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1956ca585cf9SKelvin Cheung 1957fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 195804fa8bf7SJonas Gorski select SMP_UP if SMP 19591bbb6c1bSKevin Cernekee bool 1960cd746249SJonas Gorski 1961cd746249SJonas Gorskiconfig CPU_BMIPS4350 1962cd746249SJonas Gorski bool 1963cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1964cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1965cd746249SJonas Gorski 1966cd746249SJonas Gorskiconfig CPU_BMIPS4380 1967cd746249SJonas Gorski bool 1968bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1969cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1970cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1971b4720809SFlorian Fainelli select CPU_HAS_RIXI 1972cd746249SJonas Gorski 1973cd746249SJonas Gorskiconfig CPU_BMIPS5000 1974cd746249SJonas Gorski bool 1975cd746249SJonas Gorski select MIPS_CPU_SCACHE 1976bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1977cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1978cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1979b4720809SFlorian Fainelli select CPU_HAS_RIXI 19801bbb6c1bSKevin Cernekee 1981268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19820e476d91SHuacai Chen bool 19830e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1984b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19850e476d91SHuacai Chen 19863702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19872a21c730SFuxin Zhang bool 19882a21c730SFuxin Zhang 19896f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19906f7a251aSWu Zhangjin bool 199155045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 199255045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19936f7a251aSWu Zhangjin 1994ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1995ca585cf9SKelvin Cheung bool 1996ca585cf9SKelvin Cheung 199712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 199812e3280bSYang Ling bool 199912e3280bSYang Ling 20007cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 20017cf8053bSRalf Baechle bool 20027cf8053bSRalf Baechle 20037cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 20047cf8053bSRalf Baechle bool 20057cf8053bSRalf Baechle 2006a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 2007a6e18781SLeonid Yegoshin bool 2008a6e18781SLeonid Yegoshin 2009c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 2010c5b36783SSteven J. Hill bool 20119ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2012c5b36783SSteven J. Hill 20137fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 20147fd08ca5SLeonid Yegoshin bool 20159ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20167fd08ca5SLeonid Yegoshin 20177cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20187cf8053bSRalf Baechle bool 20197cf8053bSRalf Baechle 20207cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20217cf8053bSRalf Baechle bool 20227cf8053bSRalf Baechle 20237fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20247fd08ca5SLeonid Yegoshin bool 20259ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20267fd08ca5SLeonid Yegoshin 2027281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 2028281e3aeaSSerge Semin bool 2029281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2030281e3aeaSSerge Semin 20317cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20327cf8053bSRalf Baechle bool 20337cf8053bSRalf Baechle 20347cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20357cf8053bSRalf Baechle bool 20367cf8053bSRalf Baechle 20377cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20387cf8053bSRalf Baechle bool 20397cf8053bSRalf Baechle 204065ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 204165ce6197SLauri Kasanen bool 204265ce6197SLauri Kasanen 20437cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20447cf8053bSRalf Baechle bool 20457cf8053bSRalf Baechle 20467cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20477cf8053bSRalf Baechle bool 20487cf8053bSRalf Baechle 20497cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20507cf8053bSRalf Baechle bool 20517cf8053bSRalf Baechle 2052542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2053542c1020SShinya Kuribayashi bool 2054542c1020SShinya Kuribayashi 20557cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20567cf8053bSRalf Baechle bool 20577cf8053bSRalf Baechle 20587cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20597cf8053bSRalf Baechle bool 20609ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20617cf8053bSRalf Baechle 20627cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20637cf8053bSRalf Baechle bool 20647cf8053bSRalf Baechle 20657cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20667cf8053bSRalf Baechle bool 20677cf8053bSRalf Baechle 20685e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20695e683389SDavid Daney bool 20705e683389SDavid Daney 2071cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2072c1c0c461SKevin Cernekee bool 2073c1c0c461SKevin Cernekee 2074fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2075c1c0c461SKevin Cernekee bool 2076cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2077c1c0c461SKevin Cernekee 2078c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2079c1c0c461SKevin Cernekee bool 2080cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2081c1c0c461SKevin Cernekee 2082c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2083c1c0c461SKevin Cernekee bool 2084cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2085c1c0c461SKevin Cernekee 2086c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2087c1c0c461SKevin Cernekee bool 2088cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2089f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2090c1c0c461SKevin Cernekee 20917f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20927f058e85SJayachandran C bool 20937f058e85SJayachandran C 20941c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20951c773ea4SJayachandran C bool 20961c773ea4SJayachandran C 209717099b11SRalf Baechle# 209817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 209917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 210017099b11SRalf Baechle# 21010004a9dfSRalf Baechleconfig WEAK_ORDERING 21020004a9dfSRalf Baechle bool 210317099b11SRalf Baechle 210417099b11SRalf Baechle# 210517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 210617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 210717099b11SRalf Baechle# 210817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 210917099b11SRalf Baechle bool 21105e83d430SRalf Baechleendmenu 21115e83d430SRalf Baechle 21125e83d430SRalf Baechle# 21135e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 21145e83d430SRalf Baechle# 21155e83d430SRalf Baechleconfig CPU_MIPS32 21165e83d430SRalf Baechle bool 2117ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 2118281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 21195e83d430SRalf Baechle 21205e83d430SRalf Baechleconfig CPU_MIPS64 21215e83d430SRalf Baechle bool 2122ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 21235a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 21245e83d430SRalf Baechle 21255e83d430SRalf Baechle# 212657eeacedSPaul Burton# These indicate the revision of the architecture 21275e83d430SRalf Baechle# 21285e83d430SRalf Baechleconfig CPU_MIPSR1 21295e83d430SRalf Baechle bool 21305e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21315e83d430SRalf Baechle 21325e83d430SRalf Baechleconfig CPU_MIPSR2 21335e83d430SRalf Baechle bool 2134a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21358256b17eSFlorian Fainelli select CPU_HAS_RIXI 2136ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2137a7e07b1aSMarkos Chandras select MIPS_SPRAM 21385e83d430SRalf Baechle 2139ab7c01fdSSerge Seminconfig CPU_MIPSR5 2140ab7c01fdSSerge Semin bool 2141281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2142ab7c01fdSSerge Semin select CPU_HAS_RIXI 2143ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2144ab7c01fdSSerge Semin select MIPS_SPRAM 2145ab7c01fdSSerge Semin 21467fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21477fd08ca5SLeonid Yegoshin bool 21487fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21498256b17eSFlorian Fainelli select CPU_HAS_RIXI 2150ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 215187321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21522db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21534a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2154a7e07b1aSMarkos Chandras select MIPS_SPRAM 21555e83d430SRalf Baechle 215657eeacedSPaul Burtonconfig TARGET_ISA_REV 215757eeacedSPaul Burton int 215857eeacedSPaul Burton default 1 if CPU_MIPSR1 215957eeacedSPaul Burton default 2 if CPU_MIPSR2 2160ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 216157eeacedSPaul Burton default 6 if CPU_MIPSR6 216257eeacedSPaul Burton default 0 216357eeacedSPaul Burton help 216457eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 216557eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 216657eeacedSPaul Burton 2167a6e18781SLeonid Yegoshinconfig EVA 2168a6e18781SLeonid Yegoshin bool 2169a6e18781SLeonid Yegoshin 2170c5b36783SSteven J. Hillconfig XPA 2171c5b36783SSteven J. Hill bool 2172c5b36783SSteven J. Hill 21735e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21745e83d430SRalf Baechle bool 21755e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21765e83d430SRalf Baechle bool 21775e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21785e83d430SRalf Baechle bool 21795e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21805e83d430SRalf Baechle bool 218155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 218255045ff5SWu Zhangjin bool 218355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 218455045ff5SWu Zhangjin bool 21859cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21869cffd154SDavid Daney bool 2187171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 218882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 218982622284SDavid Daney bool 2190c6972fb9SHuang Pei depends on 64BIT 2191c6972fb9SHuang Pei default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21925e83d430SRalf Baechle 21938192c9eaSDavid Daney# 21948192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21958192c9eaSDavid Daney# 21968192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21978192c9eaSDavid Daney bool 2198679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21998192c9eaSDavid Daney 22005e83d430SRalf Baechlemenu "Kernel type" 22015e83d430SRalf Baechle 22025e83d430SRalf Baechlechoice 22035e83d430SRalf Baechle prompt "Kernel code model" 22045e83d430SRalf Baechle help 22055e83d430SRalf Baechle You should only select this option if you have a workload that 22065e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 22075e83d430SRalf Baechle large memory. You will only be presented a single option in this 22085e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 22095e83d430SRalf Baechle 22105e83d430SRalf Baechleconfig 32BIT 22115e83d430SRalf Baechle bool "32-bit kernel" 22125e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 22135e83d430SRalf Baechle select TRAD_SIGNALS 22145e83d430SRalf Baechle help 22155e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2216f17c4ca3SRalf Baechle 22175e83d430SRalf Baechleconfig 64BIT 22185e83d430SRalf Baechle bool "64-bit kernel" 22195e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 22205e83d430SRalf Baechle help 22215e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 22225e83d430SRalf Baechle 22235e83d430SRalf Baechleendchoice 22245e83d430SRalf Baechle 22251e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22261e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22271e321fa9SLeonid Yegoshin depends on 64BIT 22281e321fa9SLeonid Yegoshin help 22293377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22303377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22313377e227SAlex Belits For page sizes 16k and above, this option results in a small 22323377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22333377e227SAlex Belits level of page tables is added which imposes both a memory 22343377e227SAlex Belits overhead as well as slower TLB fault handling. 22353377e227SAlex Belits 22361e321fa9SLeonid Yegoshin If unsure, say N. 22371e321fa9SLeonid Yegoshin 22381da177e4SLinus Torvaldschoice 22391da177e4SLinus Torvalds prompt "Kernel page size" 22401da177e4SLinus Torvalds default PAGE_SIZE_4KB 22411da177e4SLinus Torvalds 22421da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22431da177e4SLinus Torvalds bool "4kB" 2244268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22451da177e4SLinus Torvalds help 22461da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22471da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22481da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22491da177e4SLinus Torvalds recommended for low memory systems. 22501da177e4SLinus Torvalds 22511da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22521da177e4SLinus Torvalds bool "8kB" 2253c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22541e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22551da177e4SLinus Torvalds help 22561da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22571da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2258c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2259c2aeaaeaSPaul Burton distribution to support this. 22601da177e4SLinus Torvalds 22611da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22621da177e4SLinus Torvalds bool "16kB" 2263714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22641da177e4SLinus Torvalds help 22651da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22661da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2267714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2268714bfad6SRalf Baechle Linux distribution to support this. 22691da177e4SLinus Torvalds 2270c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2271c52399beSRalf Baechle bool "32kB" 2272c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22731e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2274c52399beSRalf Baechle help 2275c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2276c52399beSRalf Baechle the price of higher memory consumption. This option is available 2277c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2278c52399beSRalf Baechle distribution to support this. 2279c52399beSRalf Baechle 22801da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22811da177e4SLinus Torvalds bool "64kB" 22823b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22831da177e4SLinus Torvalds help 22841da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22851da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22861da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2287714bfad6SRalf Baechle writing this option is still high experimental. 22881da177e4SLinus Torvalds 22891da177e4SLinus Torvaldsendchoice 22901da177e4SLinus Torvalds 2291c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2292c9bace7cSDavid Daney int "Maximum zone order" 2293e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2294e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2295e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2296e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2297e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2298e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2299ef923a76SPaul Cercueil range 0 64 2300c9bace7cSDavid Daney default "11" 2301c9bace7cSDavid Daney help 2302c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2303c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2304c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2305c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2306c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2307c9bace7cSDavid Daney increase this value. 2308c9bace7cSDavid Daney 2309c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2310c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2311c9bace7cSDavid Daney 2312c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2313c9bace7cSDavid Daney when choosing a value for this option. 2314c9bace7cSDavid Daney 23151da177e4SLinus Torvaldsconfig BOARD_SCACHE 23161da177e4SLinus Torvalds bool 23171da177e4SLinus Torvalds 23181da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23191da177e4SLinus Torvalds bool 23201da177e4SLinus Torvalds select BOARD_SCACHE 23211da177e4SLinus Torvalds 23229318c51aSChris Dearman# 23239318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23249318c51aSChris Dearman# 23259318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23269318c51aSChris Dearman bool 23279318c51aSChris Dearman select BOARD_SCACHE 23289318c51aSChris Dearman 23291da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23301da177e4SLinus Torvalds bool 23311da177e4SLinus Torvalds select BOARD_SCACHE 23321da177e4SLinus Torvalds 23331da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23341da177e4SLinus Torvalds bool 23351da177e4SLinus Torvalds select BOARD_SCACHE 23361da177e4SLinus Torvalds 23371da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23381da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23391da177e4SLinus Torvalds depends on CPU_SB1 23401da177e4SLinus Torvalds help 23411da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23421da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23431da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23441da177e4SLinus Torvalds 23451da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2346c8094b53SRalf Baechle bool 23471da177e4SLinus Torvalds 23483165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23493165c846SFlorian Fainelli bool 2350c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23513165c846SFlorian Fainelli 2352c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2353183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2354183b40f9SPaul Burton default y 2355183b40f9SPaul Burton help 2356183b40f9SPaul Burton Select y to include support for floating point in the kernel 2357183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2358183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2359183b40f9SPaul Burton userland program attempting to use floating point instructions will 2360183b40f9SPaul Burton receive a SIGILL. 2361183b40f9SPaul Burton 2362183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2363183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2364183b40f9SPaul Burton 2365183b40f9SPaul Burton If unsure, say y. 2366c92e47e5SPaul Burton 236797f7dcbfSPaul Burtonconfig CPU_R2300_FPU 236897f7dcbfSPaul Burton bool 2369c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 237097f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 237197f7dcbfSPaul Burton 237254746829SPaul Burtonconfig CPU_R3K_TLB 237354746829SPaul Burton bool 237454746829SPaul Burton 237591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 237691405eb6SFlorian Fainelli bool 2377c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 237897f7dcbfSPaul Burton default y if !CPU_R2300_FPU 237991405eb6SFlorian Fainelli 238062cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 238162cedc4fSFlorian Fainelli bool 238254746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 238362cedc4fSFlorian Fainelli 238459d6ab86SRalf Baechleconfig MIPS_MT_SMP 2385a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23865cbf9688SPaul Burton default y 2387527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 238859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2389d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2390c080faa5SSteven J. Hill select SYNC_R4K 239159d6ab86SRalf Baechle select MIPS_MT 239259d6ab86SRalf Baechle select SMP 239387353d8aSRalf Baechle select SMP_UP 2394c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2395c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2396399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 239759d6ab86SRalf Baechle help 2398c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2399c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2400c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2401c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2402c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 240359d6ab86SRalf Baechle 2404f41ae0b2SRalf Baechleconfig MIPS_MT 2405f41ae0b2SRalf Baechle bool 2406f41ae0b2SRalf Baechle 24070ab7aefcSRalf Baechleconfig SCHED_SMT 24080ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 24090ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 24100ab7aefcSRalf Baechle default n 24110ab7aefcSRalf Baechle help 24120ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 24130ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 24140ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 24150ab7aefcSRalf Baechle 24160ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 24170ab7aefcSRalf Baechle bool 24180ab7aefcSRalf Baechle 2419f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2420f41ae0b2SRalf Baechle bool 2421f41ae0b2SRalf Baechle 2422f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2423f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2424f088fc84SRalf Baechle default y 2425b633648cSRalf Baechle depends on MIPS_MT_SMP 242607cc0c9eSRalf Baechle 2427b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2428b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24299eaa9a82SPaul Burton depends on CPU_MIPSR6 2430c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2431b0a668fbSLeonid Yegoshin default y 2432b0a668fbSLeonid Yegoshin help 2433b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2434b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 243507edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2436b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2437b0a668fbSLeonid Yegoshin final kernel image. 2438b0a668fbSLeonid Yegoshin 2439f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2440f35764e7SJames Hogan bool 2441f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2442f35764e7SJames Hogan help 2443f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2444f35764e7SJames Hogan physical_memsize. 2445f35764e7SJames Hogan 244607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 244707cc0c9eSRalf Baechle bool "VPE loader support." 2448f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 244907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 245007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 245107cc0c9eSRalf Baechle select MIPS_MT 245207cc0c9eSRalf Baechle help 245307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 245407cc0c9eSRalf Baechle onto another VPE and running it. 2455f088fc84SRalf Baechle 245617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 245717a1d523SDeng-Cheng Zhu bool 245817a1d523SDeng-Cheng Zhu default "y" 245917a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 246017a1d523SDeng-Cheng Zhu 24611a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24621a2a6d7eSDeng-Cheng Zhu bool 24631a2a6d7eSDeng-Cheng Zhu default "y" 24641a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24651a2a6d7eSDeng-Cheng Zhu 2466e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2467e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2468e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2469e01402b1SRalf Baechle default y 2470e01402b1SRalf Baechle help 2471e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2472e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2473e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2474e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2475e01402b1SRalf Baechle 2476e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2477e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2478e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2479e01402b1SRalf Baechle 2480da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2481da615cf6SDeng-Cheng Zhu bool 2482da615cf6SDeng-Cheng Zhu default "y" 2483da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2484da615cf6SDeng-Cheng Zhu 24852c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24862c973ef0SDeng-Cheng Zhu bool 24872c973ef0SDeng-Cheng Zhu default "y" 24882c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24892c973ef0SDeng-Cheng Zhu 24904a16ff4cSRalf Baechleconfig MIPS_CMP 24915cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24925676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2493b10b43baSMarkos Chandras select SMP 2494eb9b5141STim Anderson select SYNC_R4K 2495b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24964a16ff4cSRalf Baechle select WEAK_ORDERING 24974a16ff4cSRalf Baechle default n 24984a16ff4cSRalf Baechle help 2499044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2500044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2501044505c7SPaul Burton its ability to start secondary CPUs. 25024a16ff4cSRalf Baechle 25035cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 25045cac93b3SPaul Burton instead of this. 25055cac93b3SPaul Burton 25060ee958e1SPaul Burtonconfig MIPS_CPS 25070ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 25085a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 25090ee958e1SPaul Burton select MIPS_CM 25101d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 25110ee958e1SPaul Burton select SMP 25120ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 25131d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2514c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 25150ee958e1SPaul Burton select SYS_SUPPORTS_SMP 25160ee958e1SPaul Burton select WEAK_ORDERING 2517d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 25180ee958e1SPaul Burton help 25190ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25200ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25210ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25220ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25230ee958e1SPaul Burton support is unavailable. 25240ee958e1SPaul Burton 25253179d37eSPaul Burtonconfig MIPS_CPS_PM 252639a59593SMarkos Chandras depends on MIPS_CPS 25273179d37eSPaul Burton bool 25283179d37eSPaul Burton 25299f98f3ddSPaul Burtonconfig MIPS_CM 25309f98f3ddSPaul Burton bool 25313c9b4166SPaul Burton select MIPS_CPC 25329f98f3ddSPaul Burton 25339c38cf44SPaul Burtonconfig MIPS_CPC 25349c38cf44SPaul Burton bool 25352600990eSRalf Baechle 25361da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25371da177e4SLinus Torvalds bool 25381da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25391da177e4SLinus Torvalds default y 25401da177e4SLinus Torvalds 25411da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25421da177e4SLinus Torvalds bool 25431da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25441da177e4SLinus Torvalds default y 25451da177e4SLinus Torvalds 25469e2b5372SMarkos Chandraschoice 25479e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25489e2b5372SMarkos Chandras 25499e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25509e2b5372SMarkos Chandras bool "None" 25519e2b5372SMarkos Chandras help 25529e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25539e2b5372SMarkos Chandras 25549693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25559693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25569e2b5372SMarkos Chandras bool "SmartMIPS" 25579693a853SFranck Bui-Huu help 25589693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25599693a853SFranck Bui-Huu increased security at both hardware and software level for 25609693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25619693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25629693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25639693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25649693a853SFranck Bui-Huu here. 25659693a853SFranck Bui-Huu 2566bce86083SSteven J. Hillconfig CPU_MICROMIPS 25677fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25689e2b5372SMarkos Chandras bool "microMIPS" 2569bce86083SSteven J. Hill help 2570bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2571bce86083SSteven J. Hill microMIPS ISA 2572bce86083SSteven J. Hill 25739e2b5372SMarkos Chandrasendchoice 25749e2b5372SMarkos Chandras 2575a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25760ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2577a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2578c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25792a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2580a5e9a69eSPaul Burton help 2581a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2582a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25831db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25841db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25851db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25861db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25871db1af84SPaul Burton the size & complexity of your kernel. 2588a5e9a69eSPaul Burton 2589a5e9a69eSPaul Burton If unsure, say Y. 2590a5e9a69eSPaul Burton 25911da177e4SLinus Torvaldsconfig CPU_HAS_WB 2592f7062ddbSRalf Baechle bool 2593e01402b1SRalf Baechle 2594df0ac8a4SKevin Cernekeeconfig XKS01 2595df0ac8a4SKevin Cernekee bool 2596df0ac8a4SKevin Cernekee 2597ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2598ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2599ba9196d2SJiaxun Yang bool 2600ba9196d2SJiaxun Yang 2601ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2602ba9196d2SJiaxun Yang bool 2603ba9196d2SJiaxun Yang 26048256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 26058256b17eSFlorian Fainelli bool 26068256b17eSFlorian Fainelli 260718d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2608932afdeeSYasha Cherikovsky bool 2609932afdeeSYasha Cherikovsky help 261018d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2611932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 261218d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 261318d84e2eSAlexander Lobakin systems). 2614932afdeeSYasha Cherikovsky 2615f41ae0b2SRalf Baechle# 2616f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2617f41ae0b2SRalf Baechle# 2618e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2619f41ae0b2SRalf Baechle bool 2620e01402b1SRalf Baechle 2621f41ae0b2SRalf Baechle# 2622f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2623f41ae0b2SRalf Baechle# 2624e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2625f41ae0b2SRalf Baechle bool 2626e01402b1SRalf Baechle 26271da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26281da177e4SLinus Torvalds bool 26291da177e4SLinus Torvalds depends on !CPU_R3000 26301da177e4SLinus Torvalds default y 26311da177e4SLinus Torvalds 26321da177e4SLinus Torvalds# 263320d60d99SMaciej W. Rozycki# CPU non-features 263420d60d99SMaciej W. Rozycki# 263520d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 263620d60d99SMaciej W. Rozycki bool 263720d60d99SMaciej W. Rozycki 263820d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 263920d60d99SMaciej W. Rozycki bool 264020d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 264120d60d99SMaciej W. Rozycki 264220d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 264320d60d99SMaciej W. Rozycki bool 264420d60d99SMaciej W. Rozycki 2645071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2646071d2f0bSPaul Burton bool 2647071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2648071d2f0bSPaul Burton 26494edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26504edf00a4SPaul Burton int 26514edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26524edf00a4SPaul Burton default 0 26534edf00a4SPaul Burton 26544edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26554edf00a4SPaul Burton int 26562db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26574edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26584edf00a4SPaul Burton default 8 26594edf00a4SPaul Burton 26602db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26612db003a5SPaul Burton bool 26622db003a5SPaul Burton 26634a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26644a5dc51eSMarcin Nowakowski bool 26654a5dc51eSMarcin Nowakowski 2666802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2667802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2668802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2669802b8362SThomas Bogendoerfer# with the issue. 2670802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2671802b8362SThomas Bogendoerfer bool 2672802b8362SThomas Bogendoerfer 26735e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 26745e5b6527SThomas Bogendoerfer# 26755e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 26765e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 26775e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 267818ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 26795e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 26805e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 26815e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 26825e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 26835e5b6527SThomas Bogendoerfer# instruction. 26845e5b6527SThomas Bogendoerfer# 26855e5b6527SThomas Bogendoerfer# This is not allowed: lw 26865e5b6527SThomas Bogendoerfer# nop 26875e5b6527SThomas Bogendoerfer# nop 26885e5b6527SThomas Bogendoerfer# nop 26895e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 26905e5b6527SThomas Bogendoerfer# 26915e5b6527SThomas Bogendoerfer# This is allowed: lw 26925e5b6527SThomas Bogendoerfer# nop 26935e5b6527SThomas Bogendoerfer# nop 26945e5b6527SThomas Bogendoerfer# nop 26955e5b6527SThomas Bogendoerfer# nop 26965e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 26975e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 26985e5b6527SThomas Bogendoerfer bool 26995e5b6527SThomas Bogendoerfer 270044def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 270144def342SThomas Bogendoerfer# 270244def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 270344def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 270444def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 270544def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 270644def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 270744def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 270844def342SThomas Bogendoerfer# in .pdf format.) 270944def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 271044def342SThomas Bogendoerfer bool 271144def342SThomas Bogendoerfer 271224a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 271324a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 271424a1c023SThomas Bogendoerfer# operation is not guaranteed." 271524a1c023SThomas Bogendoerfer# 271624a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 271724a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 271824a1c023SThomas Bogendoerfer bool 271924a1c023SThomas Bogendoerfer 2720886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2721886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2722886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2723886ee136SThomas Bogendoerfer# exceptions. 2724886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2725886ee136SThomas Bogendoerfer bool 2726886ee136SThomas Bogendoerfer 2727256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2728256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2729256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2730256ec489SThomas Bogendoerfer bool 2731256ec489SThomas Bogendoerfer 2732a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2733a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2734a7fbed98SThomas Bogendoerfer bool 2735a7fbed98SThomas Bogendoerfer 273620d60d99SMaciej W. Rozycki# 27371da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 27381da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 27391da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 27401da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 27411da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 27421da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 27431da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 27441da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2745797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2746797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2747797798c1SRalf Baechle# support. 27481da177e4SLinus Torvalds# 27491da177e4SLinus Torvaldsconfig HIGHMEM 27501da177e4SLinus Torvalds bool "High Memory Support" 2751a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2752a4c33e83SThomas Gleixner select KMAP_LOCAL 2753797798c1SRalf Baechle 2754797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2755797798c1SRalf Baechle bool 2756797798c1SRalf Baechle 2757797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2758797798c1SRalf Baechle bool 27591da177e4SLinus Torvalds 27609693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 27619693a853SFranck Bui-Huu bool 27629693a853SFranck Bui-Huu 2763a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2764a6a4834cSSteven J. Hill bool 2765a6a4834cSSteven J. Hill 2766377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2767377cb1b6SRalf Baechle bool 2768377cb1b6SRalf Baechle help 2769377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2770377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2771377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2772377cb1b6SRalf Baechle 2773a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2774a5e9a69eSPaul Burton bool 2775a5e9a69eSPaul Burton 2776b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2777b4819b59SYoichi Yuasa def_bool y 2778268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2779b4819b59SYoichi Yuasa 2780b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2781b1c6cd42SAtsushi Nemoto bool 2782397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 278331473747SAtsushi Nemoto 2784d8cb4e11SRalf Baechleconfig NUMA 2785d8cb4e11SRalf Baechle bool "NUMA Support" 2786d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2787cf8194e4STiezhu Yang select SMP 2788d8cb4e11SRalf Baechle help 2789d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2790d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2791d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2792172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2793d8cb4e11SRalf Baechle disabled. 2794d8cb4e11SRalf Baechle 2795d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2796d8cb4e11SRalf Baechle bool 2797d8cb4e11SRalf Baechle 2798f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2799f3c560a6SThomas Bogendoerfer def_bool y 2800f3c560a6SThomas Bogendoerfer depends on NUMA 2801f3c560a6SThomas Bogendoerfer 2802f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2803f3c560a6SThomas Bogendoerfer def_bool y 2804f3c560a6SThomas Bogendoerfer depends on NUMA 2805f3c560a6SThomas Bogendoerfer 28068c530ea3SMatt Redfearnconfig RELOCATABLE 28078c530ea3SMatt Redfearn bool "Relocatable kernel" 2808ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2809ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2810ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2811ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2812a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2813a307a4ceSJinyang He CPU_LOONGSON64 28148c530ea3SMatt Redfearn help 28158c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 28168c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 28178c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 28188c530ea3SMatt Redfearn but are discarded at runtime 28198c530ea3SMatt Redfearn 2820069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2821069fd766SMatt Redfearn hex "Relocation table size" 2822069fd766SMatt Redfearn depends on RELOCATABLE 2823069fd766SMatt Redfearn range 0x0 0x01000000 2824a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2825069fd766SMatt Redfearn default "0x00100000" 2826a7f7f624SMasahiro Yamada help 2827069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2828069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2829069fd766SMatt Redfearn 2830069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2831069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2832069fd766SMatt Redfearn 2833069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2834069fd766SMatt Redfearn 2835069fd766SMatt Redfearn If unsure, leave at the default value. 2836069fd766SMatt Redfearn 2837405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2838405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2839405bc8fdSMatt Redfearn depends on RELOCATABLE 2840a7f7f624SMasahiro Yamada help 2841405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2842405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2843405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2844405bc8fdSMatt Redfearn of kernel internals. 2845405bc8fdSMatt Redfearn 2846405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2847405bc8fdSMatt Redfearn 2848405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2849405bc8fdSMatt Redfearn 2850405bc8fdSMatt Redfearn If unsure, say N. 2851405bc8fdSMatt Redfearn 2852405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2853405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2854405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2855405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2856405bc8fdSMatt Redfearn range 0x0 0x08000000 2857405bc8fdSMatt Redfearn default "0x01000000" 2858a7f7f624SMasahiro Yamada help 2859405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2860405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2861405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2862405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2863405bc8fdSMatt Redfearn 2864405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2865405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2866405bc8fdSMatt Redfearn 2867c80d79d7SYasunori Gotoconfig NODES_SHIFT 2868c80d79d7SYasunori Goto int 2869c80d79d7SYasunori Goto default "6" 2870c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2871c80d79d7SYasunori Goto 287214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 287314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2874e2589589SViresh Kumar depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 287514f70012SDeng-Cheng Zhu default y 287614f70012SDeng-Cheng Zhu help 287714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 287814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 287914f70012SDeng-Cheng Zhu 2880be8fa1cbSTiezhu Yangconfig DMI 2881be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2882be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2883be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2884be8fa1cbSTiezhu Yang default y 2885be8fa1cbSTiezhu Yang help 2886be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2887be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2888be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2889be8fa1cbSTiezhu Yang BIOS code. 2890be8fa1cbSTiezhu Yang 28911da177e4SLinus Torvaldsconfig SMP 28921da177e4SLinus Torvalds bool "Multi-Processing support" 2893e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2894e73ea273SRalf Baechle help 28951da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 28964a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 28974a474157SRobert Graffham than one CPU, say Y. 28981da177e4SLinus Torvalds 28994a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 29001da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 29011da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 29024a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 29031da177e4SLinus Torvalds will run faster if you say N here. 29041da177e4SLinus Torvalds 29051da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 29061da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 29071da177e4SLinus Torvalds 290803502faaSAdrian Bunk See also the SMP-HOWTO available at 2909ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 29101da177e4SLinus Torvalds 29111da177e4SLinus Torvalds If you don't know what to do here, say N. 29121da177e4SLinus Torvalds 29137840d618SMatt Redfearnconfig HOTPLUG_CPU 29147840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 29157840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 29167840d618SMatt Redfearn help 29177840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 29187840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 29197840d618SMatt Redfearn (Note: power management support will enable this option 29207840d618SMatt Redfearn automatically on SMP systems. ) 29217840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 29227840d618SMatt Redfearn 292387353d8aSRalf Baechleconfig SMP_UP 292487353d8aSRalf Baechle bool 292587353d8aSRalf Baechle 29264a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 29274a16ff4cSRalf Baechle bool 29284a16ff4cSRalf Baechle 29290ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 29300ee958e1SPaul Burton bool 29310ee958e1SPaul Burton 2932e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2933e73ea273SRalf Baechle bool 2934e73ea273SRalf Baechle 2935130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2936130e2fb7SRalf Baechle bool 2937130e2fb7SRalf Baechle 2938130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2939130e2fb7SRalf Baechle bool 2940130e2fb7SRalf Baechle 2941130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2942130e2fb7SRalf Baechle bool 2943130e2fb7SRalf Baechle 2944130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2945130e2fb7SRalf Baechle bool 2946130e2fb7SRalf Baechle 2947130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2948130e2fb7SRalf Baechle bool 2949130e2fb7SRalf Baechle 29501da177e4SLinus Torvaldsconfig NR_CPUS 2951a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2952a91796a9SJayachandran C range 2 256 29531da177e4SLinus Torvalds depends on SMP 2954130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2955130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2956130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2957130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2958130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 29591da177e4SLinus Torvalds help 29601da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 29611da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 29621da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 296372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 296472ede9b1SAtsushi Nemoto and 2 for all others. 29651da177e4SLinus Torvalds 29661da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 296772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 296872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 296972ede9b1SAtsushi Nemoto power of two. 29701da177e4SLinus Torvalds 2971399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2972399aaa25SAl Cooper bool 2973399aaa25SAl Cooper 29747820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 29757820b84bSDavid Daney bool 29767820b84bSDavid Daney 29777820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 29787820b84bSDavid Daney int 29797820b84bSDavid Daney depends on SMP 29807820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 29817820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 29827820b84bSDavid Daney 29831723b4a3SAtsushi Nemoto# 29841723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 29851723b4a3SAtsushi Nemoto# 29861723b4a3SAtsushi Nemoto 29871723b4a3SAtsushi Nemotochoice 29881723b4a3SAtsushi Nemoto prompt "Timer frequency" 29891723b4a3SAtsushi Nemoto default HZ_250 29901723b4a3SAtsushi Nemoto help 29911723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 29921723b4a3SAtsushi Nemoto 299367596573SPaul Burton config HZ_24 299467596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 299567596573SPaul Burton 29961723b4a3SAtsushi Nemoto config HZ_48 29970f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 29981723b4a3SAtsushi Nemoto 29991723b4a3SAtsushi Nemoto config HZ_100 30001723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 30011723b4a3SAtsushi Nemoto 30021723b4a3SAtsushi Nemoto config HZ_128 30031723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 30041723b4a3SAtsushi Nemoto 30051723b4a3SAtsushi Nemoto config HZ_250 30061723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 30071723b4a3SAtsushi Nemoto 30081723b4a3SAtsushi Nemoto config HZ_256 30091723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 30101723b4a3SAtsushi Nemoto 30111723b4a3SAtsushi Nemoto config HZ_1000 30121723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 30131723b4a3SAtsushi Nemoto 30141723b4a3SAtsushi Nemoto config HZ_1024 30151723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 30161723b4a3SAtsushi Nemoto 30171723b4a3SAtsushi Nemotoendchoice 30181723b4a3SAtsushi Nemoto 301967596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 302067596573SPaul Burton bool 302167596573SPaul Burton 30221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 30231723b4a3SAtsushi Nemoto bool 30241723b4a3SAtsushi Nemoto 30251723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 30261723b4a3SAtsushi Nemoto bool 30271723b4a3SAtsushi Nemoto 30281723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 30291723b4a3SAtsushi Nemoto bool 30301723b4a3SAtsushi Nemoto 30311723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 30321723b4a3SAtsushi Nemoto bool 30331723b4a3SAtsushi Nemoto 30341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 30351723b4a3SAtsushi Nemoto bool 30361723b4a3SAtsushi Nemoto 30371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 30381723b4a3SAtsushi Nemoto bool 30391723b4a3SAtsushi Nemoto 30401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 30411723b4a3SAtsushi Nemoto bool 30421723b4a3SAtsushi Nemoto 30431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 30441723b4a3SAtsushi Nemoto bool 304567596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 304667596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 304767596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 304867596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 304967596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 305067596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 305167596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 30521723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 30531723b4a3SAtsushi Nemoto 30541723b4a3SAtsushi Nemotoconfig HZ 30551723b4a3SAtsushi Nemoto int 305667596573SPaul Burton default 24 if HZ_24 30571723b4a3SAtsushi Nemoto default 48 if HZ_48 30581723b4a3SAtsushi Nemoto default 100 if HZ_100 30591723b4a3SAtsushi Nemoto default 128 if HZ_128 30601723b4a3SAtsushi Nemoto default 250 if HZ_250 30611723b4a3SAtsushi Nemoto default 256 if HZ_256 30621723b4a3SAtsushi Nemoto default 1000 if HZ_1000 30631723b4a3SAtsushi Nemoto default 1024 if HZ_1024 30641723b4a3SAtsushi Nemoto 306596685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 306696685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 306796685b17SDeng-Cheng Zhu 3068ea6e942bSAtsushi Nemotoconfig KEXEC 30697d60717eSKees Cook bool "Kexec system call" 30702965faa5SDave Young select KEXEC_CORE 3071ea6e942bSAtsushi Nemoto help 3072ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 3073ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 30743dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 3075ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 3076ea6e942bSAtsushi Nemoto 307701dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 3078ea6e942bSAtsushi Nemoto 3079ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 3080ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 3081bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 3082bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 3083bf220695SGeert Uytterhoeven made. 3084ea6e942bSAtsushi Nemoto 30857aa1c8f4SRalf Baechleconfig CRASH_DUMP 30867aa1c8f4SRalf Baechle bool "Kernel crash dumps" 30877aa1c8f4SRalf Baechle help 30887aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 30897aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 30907aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 30917aa1c8f4SRalf Baechle a specially reserved region and then later executed after 30927aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 30937aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 30947aa1c8f4SRalf Baechle PHYSICAL_START. 30957aa1c8f4SRalf Baechle 30967aa1c8f4SRalf Baechleconfig PHYSICAL_START 30977aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 30988bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 30997aa1c8f4SRalf Baechle depends on CRASH_DUMP 31007aa1c8f4SRalf Baechle help 31017aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 31027aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 31037aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 31047aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 31057aa1c8f4SRalf Baechle passed to the panic-ed kernel). 31067aa1c8f4SRalf Baechle 3107597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3108b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3109597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3110597ce172SPaul Burton help 3111597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3112597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3113597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3114597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3115597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3116597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3117597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3118597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3119597ce172SPaul Burton saying N here. 3120597ce172SPaul Burton 312106e2e882SPaul Burton Although binutils currently supports use of this flag the details 312206e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 312318ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 312406e2e882SPaul Burton behaviour before the details have been finalised, this option should 312506e2e882SPaul Burton be considered experimental and only enabled by those working upon 312606e2e882SPaul Burton said details. 312706e2e882SPaul Burton 312806e2e882SPaul Burton If unsure, say N. 3129597ce172SPaul Burton 3130f2ffa5abSDezhong Diaoconfig USE_OF 31310b3e06fdSJonas Gorski bool 3132f2ffa5abSDezhong Diao select OF 3133e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3134abd2363fSGrant Likely select IRQ_DOMAIN 3135f2ffa5abSDezhong Diao 31362fe8ea39SDengcheng Zhuconfig UHI_BOOT 31372fe8ea39SDengcheng Zhu bool 31382fe8ea39SDengcheng Zhu 31397fafb068SAndrew Brestickerconfig BUILTIN_DTB 31407fafb068SAndrew Bresticker bool 31417fafb068SAndrew Bresticker 31421da8f179SJonas Gorskichoice 31435b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 31441da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 31451da8f179SJonas Gorski 31461da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 31471da8f179SJonas Gorski bool "None" 31481da8f179SJonas Gorski help 31491da8f179SJonas Gorski Do not enable appended dtb support. 31501da8f179SJonas Gorski 315187db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 315287db537dSAaro Koskinen bool "vmlinux" 315387db537dSAaro Koskinen help 315487db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 315587db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 315687db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 315787db537dSAaro Koskinen objcopy: 315887db537dSAaro Koskinen 315987db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 316087db537dSAaro Koskinen 316118ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 316287db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 316387db537dSAaro Koskinen the documented boot protocol using a device tree. 316487db537dSAaro Koskinen 31651da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3166b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 31671da8f179SJonas Gorski help 31681da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3169b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 31701da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 31711da8f179SJonas Gorski 31721da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 31731da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 31741da8f179SJonas Gorski the documented boot protocol using a device tree. 31751da8f179SJonas Gorski 31761da8f179SJonas Gorski Beware that there is very little in terms of protection against 31771da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 31781da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 31791da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 31801da8f179SJonas Gorski if you don't intend to always append a DTB. 31811da8f179SJonas Gorskiendchoice 31821da8f179SJonas Gorski 31832024972eSJonas Gorskichoice 31842024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 31852bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 318687fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 31872bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 31882024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 31892024972eSJonas Gorski 31902024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 31912024972eSJonas Gorski depends on USE_OF 31922024972eSJonas Gorski bool "Dtb kernel arguments if available" 31932024972eSJonas Gorski 31942024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 31952024972eSJonas Gorski depends on USE_OF 31962024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 31972024972eSJonas Gorski 31982024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 31992024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3200ed47e153SRabin Vincent 3201ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3202ed47e153SRabin Vincent depends on CMDLINE_BOOL 3203ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 32042024972eSJonas Gorskiendchoice 32052024972eSJonas Gorski 32065e83d430SRalf Baechleendmenu 32075e83d430SRalf Baechle 32081df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 32091df0f0ffSAtsushi Nemoto bool 32101df0f0ffSAtsushi Nemoto default y 32111df0f0ffSAtsushi Nemoto 32121df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 32131df0f0ffSAtsushi Nemoto bool 32141df0f0ffSAtsushi Nemoto default y 32151df0f0ffSAtsushi Nemoto 3216a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3217a728ab52SKirill A. Shutemov int 32183377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3219a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3220a728ab52SKirill A. Shutemov default 2 3221a728ab52SKirill A. Shutemov 32226c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 32236c359eb1SPaul Burton bool 32246c359eb1SPaul Burton 32251da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 32261da177e4SLinus Torvalds 3227c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 32282eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3229c5611df9SPaul Burton bool 3230c5611df9SPaul Burton 3231c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3232c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3233c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 32342eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 32351da177e4SLinus Torvalds 32361da177e4SLinus Torvalds# 32371da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 32381da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 32391da177e4SLinus Torvalds# users to choose the right thing ... 32401da177e4SLinus Torvalds# 32411da177e4SLinus Torvaldsconfig ISA 32421da177e4SLinus Torvalds bool 32431da177e4SLinus Torvalds 32441da177e4SLinus Torvaldsconfig TC 32451da177e4SLinus Torvalds bool "TURBOchannel support" 32461da177e4SLinus Torvalds depends on MACH_DECSTATION 32471da177e4SLinus Torvalds help 324850a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 324950a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 325050a23e6eSJustin P. Mattock at: 325150a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 325250a23e6eSJustin P. Mattock and: 325350a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 325450a23e6eSJustin P. Mattock Linux driver support status is documented at: 325550a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 32561da177e4SLinus Torvalds 32571da177e4SLinus Torvaldsconfig MMU 32581da177e4SLinus Torvalds bool 32591da177e4SLinus Torvalds default y 32601da177e4SLinus Torvalds 3261109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3262109c32ffSMatt Redfearn default 12 if 64BIT 3263109c32ffSMatt Redfearn default 8 3264109c32ffSMatt Redfearn 3265109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3266109c32ffSMatt Redfearn default 18 if 64BIT 3267109c32ffSMatt Redfearn default 15 3268109c32ffSMatt Redfearn 3269109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3270109c32ffSMatt Redfearn default 8 3271109c32ffSMatt Redfearn 3272109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3273109c32ffSMatt Redfearn default 15 3274109c32ffSMatt Redfearn 3275d865bea4SRalf Baechleconfig I8253 3276d865bea4SRalf Baechle bool 3277798778b8SRussell King select CLKSRC_I8253 32782d02612fSThomas Gleixner select CLKEVT_I8253 32799726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3280d865bea4SRalf Baechle 3281e05eb3f8SRalf Baechleconfig ZONE_DMA 3282e05eb3f8SRalf Baechle bool 3283e05eb3f8SRalf Baechle 3284cce335aeSRalf Baechleconfig ZONE_DMA32 3285cce335aeSRalf Baechle bool 3286cce335aeSRalf Baechle 32871da177e4SLinus Torvaldsendmenu 32881da177e4SLinus Torvalds 32891da177e4SLinus Torvaldsconfig TRAD_SIGNALS 32901da177e4SLinus Torvalds bool 32911da177e4SLinus Torvalds 32921da177e4SLinus Torvaldsconfig MIPS32_COMPAT 329378aaf956SRalf Baechle bool 32941da177e4SLinus Torvalds 32951da177e4SLinus Torvaldsconfig COMPAT 32961da177e4SLinus Torvalds bool 32971da177e4SLinus Torvalds 329805e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 329905e43966SAtsushi Nemoto bool 330005e43966SAtsushi Nemoto 33011da177e4SLinus Torvaldsconfig MIPS32_O32 33021da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 330378aaf956SRalf Baechle depends on 64BIT 330478aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 330578aaf956SRalf Baechle select COMPAT 330678aaf956SRalf Baechle select MIPS32_COMPAT 330778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 33081da177e4SLinus Torvalds help 33091da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 33101da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 33111da177e4SLinus Torvalds existing binaries are in this format. 33121da177e4SLinus Torvalds 33131da177e4SLinus Torvalds If unsure, say Y. 33141da177e4SLinus Torvalds 33151da177e4SLinus Torvaldsconfig MIPS32_N32 33161da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3317c22eacfeSRalf Baechle depends on 64BIT 33185a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 331978aaf956SRalf Baechle select COMPAT 332078aaf956SRalf Baechle select MIPS32_COMPAT 332178aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 33221da177e4SLinus Torvalds help 33231da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 33241da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 33251da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 33261da177e4SLinus Torvalds cases. 33271da177e4SLinus Torvalds 33281da177e4SLinus Torvalds If unsure, say N. 33291da177e4SLinus Torvalds 33302116245eSRalf Baechlemenu "Power management options" 3331952fa954SRodolfo Giometti 3332363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3333363c55caSWu Zhangjin def_bool y 33343f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3335363c55caSWu Zhangjin 3336f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3337f4cb5700SJohannes Berg def_bool y 33383f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3339f4cb5700SJohannes Berg 33402116245eSRalf Baechlesource "kernel/power/Kconfig" 3341952fa954SRodolfo Giometti 33421da177e4SLinus Torvaldsendmenu 33431da177e4SLinus Torvalds 33447a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 33457a998935SViresh Kumar bool 33467a998935SViresh Kumar 33477a998935SViresh Kumarmenu "CPU Power Management" 3348c095ebafSPaul Burton 3349c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 33507a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 33517a998935SViresh Kumarendif 33529726b43aSWu Zhangjin 3353c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3354c095ebafSPaul Burton 3355c095ebafSPaul Burtonendmenu 3356c095ebafSPaul Burton 335798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 335898cdee0eSRalf Baechle 33592235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3360e91946d6SNathan Chancellor 3361e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3362