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 19*dce44566SAnshuman Khandual select ARCH_USE_MEMTEST 2025da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 210b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 229035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 2312597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 24d3a4e0f1SAlexander Lobakin select ARCH_WANT_LD_ORPHAN_WARN 2510916706SShile Zhang select BUILDTIME_TABLE_SORT 2612597988SMatt Redfearn select CLONE_BACKWARDS 2757eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2812597988SMatt Redfearn select CPU_PM if CPU_IDLE 2912597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 3012597988SMatt Redfearn select GENERIC_CMOS_UPDATE 3112597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 32bab1dde3SAlexander Lobakin select GENERIC_FIND_FIRST_BIT 3324640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 34b962aeb0SPaul Burton select GENERIC_IOMAP 3512597988SMatt Redfearn select GENERIC_IRQ_PROBE 3612597988SMatt Redfearn select GENERIC_IRQ_SHOW 376630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 38740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 39740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 40740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 41740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 42740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 4312597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 4412597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 4512597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 46446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4712597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 48906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4912597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 5042b20995SArnd Bergmann select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 51109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 52109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 53490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 54c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 5545e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 562ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 5736366e36SPaul Burton select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS 5812597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 59490f561bSFrederic Weisbecker select HAVE_TIF_NOHZ 6064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 6112597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 6212597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 6312597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 6412597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 6534c01e41SAlexander Lobakin select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2 6612597988SMatt Redfearn select HAVE_EXIT_THREAD 6767a929e0SChristoph Hellwig select HAVE_FAST_GUP 6812597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6929c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 7012597988SMatt Redfearn select HAVE_FUNCTION_TRACER 7134c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 7234c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 7312597988SMatt Redfearn select HAVE_IDE 74b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7512597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7612597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 77c1bf207dSDavid Daney select HAVE_KPROBES 78c1bf207dSDavid Daney select HAVE_KRETPROBES 79c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 80786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 8142a0bb3fSPetr Mladek select HAVE_NMI 8212597988SMatt Redfearn select HAVE_PERF_EVENTS 831ddc96bdSTiezhu Yang select HAVE_PERF_REGS 841ddc96bdSTiezhu Yang select HAVE_PERF_USER_STACK_DUMP 8508bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 869ea141adSPaul Burton select HAVE_RSEQ 8716c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 88d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 8912597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 90a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 9112597988SMatt Redfearn select IRQ_FORCED_THREADING 926630a8e5SChristoph Hellwig select ISA if EISA 9312597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 9434c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 9512597988SMatt Redfearn select PERF_USE_VMALLOC 96981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 9705a0a344SArnd Bergmann select RTC_LIB 9812597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 9912597988SMatt Redfearn select VIRT_TO_BUS 1000bb87f05SAl Viro select ARCH_HAS_ELFCORE_COMPAT 1011da177e4SLinus Torvalds 102d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 103d3991572SChristoph Hellwig bool 104d3991572SChristoph Hellwig 105c434b9f8SPaul Cercueilconfig MIPS_GENERIC 106c434b9f8SPaul Cercueil bool 107c434b9f8SPaul Cercueil 108f0f4a753SPaul Cercueilconfig MACH_INGENIC 109f0f4a753SPaul Cercueil bool 110f0f4a753SPaul Cercueil select SYS_SUPPORTS_32BIT_KERNEL 111f0f4a753SPaul Cercueil select SYS_SUPPORTS_LITTLE_ENDIAN 112f0f4a753SPaul Cercueil select SYS_SUPPORTS_ZBOOT 113f0f4a753SPaul Cercueil select DMA_NONCOHERENT 114f0f4a753SPaul Cercueil select IRQ_MIPS_CPU 115f0f4a753SPaul Cercueil select PINCTRL 116f0f4a753SPaul Cercueil select GPIOLIB 117f0f4a753SPaul Cercueil select COMMON_CLK 118f0f4a753SPaul Cercueil select GENERIC_IRQ_CHIP 119f0f4a753SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 120f0f4a753SPaul Cercueil select USE_OF 121f0f4a753SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 122f0f4a753SPaul Cercueil select MIPS_EXTERNAL_TIMER 123f0f4a753SPaul Cercueil 1241da177e4SLinus Torvaldsmenu "Machine selection" 1251da177e4SLinus Torvalds 1265e83d430SRalf Baechlechoice 1275e83d430SRalf Baechle prompt "System type" 128c434b9f8SPaul Cercueil default MIPS_GENERIC_KERNEL 1291da177e4SLinus Torvalds 130c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL 131eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 1324e066441SChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 133c434b9f8SPaul Cercueil select MIPS_GENERIC 134eed0eabdSPaul Burton select BOOT_RAW 135eed0eabdSPaul Burton select BUILTIN_DTB 136eed0eabdSPaul Burton select CEVT_R4K 137eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 138eed0eabdSPaul Burton select COMMON_CLK 139eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 14034c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 141eed0eabdSPaul Burton select CSRC_R4K 1424e066441SChristoph Hellwig select DMA_NONCOHERENT 143eb01d42aSChristoph Hellwig select HAVE_PCI 144eed0eabdSPaul Burton select IRQ_MIPS_CPU 1450211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 146eed0eabdSPaul Burton select MIPS_CPU_SCACHE 147eed0eabdSPaul Burton select MIPS_GIC 148eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 149eed0eabdSPaul Burton select NO_EXCEPT_FILL 150eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 151eed0eabdSPaul Burton select SMP_UP if SMP 152a3078e59SMatt Redfearn select SWAP_IO_SPACE 153eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 154eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 155eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 156eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 157eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 158eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 159eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 160eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 161eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 162eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 163eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 164eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 165eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 16634c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 167eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 168eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 169eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 170c3e2ee65SPaul Cercueil select SYS_SUPPORTS_ZBOOT 17134c01e41SAlexander Lobakin select UHI_BOOT 1722e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1732e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1742e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1752e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1762e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1772e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 178eed0eabdSPaul Burton select USE_OF 179eed0eabdSPaul Burton help 180eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 181eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 182eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 183eed0eabdSPaul Burton Interface) specification. 184eed0eabdSPaul Burton 18542a4f17dSManuel Laussconfig MIPS_ALCHEMY 186c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 187d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 188f772cdb2SRalf Baechle select CEVT_R4K 189d7ea335cSSteven J. Hill select CSRC_R4K 19067e38cf2SRalf Baechle select IRQ_MIPS_CPU 191a86497d6SChristoph Hellwig select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 192d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 19342a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 19442a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 19542a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 196d30a2b47SLinus Walleij select GPIOLIB 1971b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19847440229SManuel Lauss select COMMON_CLK 1991da177e4SLinus Torvalds 2007ca5dc14SFlorian Fainelliconfig AR7 2017ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 2027ca5dc14SFlorian Fainelli select BOOT_ELF32 2037ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 2047ca5dc14SFlorian Fainelli select CEVT_R4K 2057ca5dc14SFlorian Fainelli select CSRC_R4K 20667e38cf2SRalf Baechle select IRQ_MIPS_CPU 2077ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 2087ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 2097ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 2107ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 2117ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 2127ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 213377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2141b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 215d30a2b47SLinus Walleij select GPIOLIB 2167ca5dc14SFlorian Fainelli select VLYNQ 217bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 2187ca5dc14SFlorian Fainelli help 2197ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 2207ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 2217ca5dc14SFlorian Fainelli 22243cc739fSSergey Ryazanovconfig ATH25 22343cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 22443cc739fSSergey Ryazanov select CEVT_R4K 22543cc739fSSergey Ryazanov select CSRC_R4K 22643cc739fSSergey Ryazanov select DMA_NONCOHERENT 22767e38cf2SRalf Baechle select IRQ_MIPS_CPU 2281753e74eSSergey Ryazanov select IRQ_DOMAIN 22943cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 23043cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 23143cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2328aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 23343cc739fSSergey Ryazanov help 23443cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 23543cc739fSSergey Ryazanov 236d4a67d9dSGabor Juhosconfig ATH79 237d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 238ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 239d4a67d9dSGabor Juhos select BOOT_RAW 240d4a67d9dSGabor Juhos select CEVT_R4K 241d4a67d9dSGabor Juhos select CSRC_R4K 242d4a67d9dSGabor Juhos select DMA_NONCOHERENT 243d30a2b47SLinus Walleij select GPIOLIB 244a08227a2SJohn Crispin select PINCTRL 245411520afSAlban Bedel select COMMON_CLK 24667e38cf2SRalf Baechle select IRQ_MIPS_CPU 247d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 248d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 249d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 250d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 251377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 252b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 25303c8c407SAlban Bedel select USE_OF 25453d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 255d4a67d9dSGabor Juhos help 256d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 257d4a67d9dSGabor Juhos 2585f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2595f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 26029906e1aSÁlvaro Fernández Rojas select ARCH_HAS_RESET_CONTROLLER 261d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 262d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 263d666cd02SKevin Cernekee select BOOT_RAW 264d666cd02SKevin Cernekee select NO_EXCEPT_FILL 265d666cd02SKevin Cernekee select USE_OF 266d666cd02SKevin Cernekee select CEVT_R4K 267d666cd02SKevin Cernekee select CSRC_R4K 268d666cd02SKevin Cernekee select SYNC_R4K 269d666cd02SKevin Cernekee select COMMON_CLK 270c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 27160b858f2SKevin Cernekee select BCM7038_L1_IRQ 27260b858f2SKevin Cernekee select BCM7120_L2_IRQ 27360b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 27467e38cf2SRalf Baechle select IRQ_MIPS_CPU 27560b858f2SKevin Cernekee select DMA_NONCOHERENT 276d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 27760b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 278d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 279d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 28060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 28160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 28260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 283d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 284d666cd02SKevin Cernekee select SWAP_IO_SPACE 28560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28660b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 28760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 28860b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2894dc4704cSJustin Chen select HARDIRQS_SW_RESEND 290d666cd02SKevin Cernekee help 2915f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2925f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2935f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2945f2d4459SKevin Cernekee must be set appropriately for your board. 295d666cd02SKevin Cernekee 2961c0c13ebSAurelien Jarnoconfig BCM47XX 297c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 298fe08f8c2SHauke Mehrtens select BOOT_RAW 29942f77542SRalf Baechle select CEVT_R4K 300940f6b48SRalf Baechle select CSRC_R4K 3011c0c13ebSAurelien Jarno select DMA_NONCOHERENT 302eb01d42aSChristoph Hellwig select HAVE_PCI 30367e38cf2SRalf Baechle select IRQ_MIPS_CPU 304314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 305dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 3061c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 3071c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 308377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 3096507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 31025e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 311e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 312c949c0bcSRafał Miłecki select GPIOLIB 313c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 314f6e734a8SRafał Miłecki select BCM47XX_NVRAM 3152ab71a02SRafał Miłecki select BCM47XX_SPROM 316dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 3171c0c13ebSAurelien Jarno help 3181c0c13ebSAurelien Jarno Support for BCM47XX based boards 3191c0c13ebSAurelien Jarno 320e7300d04SMaxime Bizonconfig BCM63XX 321e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 322ae8de61cSFlorian Fainelli select BOOT_RAW 323e7300d04SMaxime Bizon select CEVT_R4K 324e7300d04SMaxime Bizon select CSRC_R4K 325fc264022SJonas Gorski select SYNC_R4K 326e7300d04SMaxime Bizon select DMA_NONCOHERENT 32767e38cf2SRalf Baechle select IRQ_MIPS_CPU 328e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 329e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 330e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 331e7300d04SMaxime Bizon select SWAP_IO_SPACE 332d30a2b47SLinus Walleij select GPIOLIB 333af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 334c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 335bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 336e7300d04SMaxime Bizon help 337e7300d04SMaxime Bizon Support for BCM63XX based boards 338e7300d04SMaxime Bizon 3391da177e4SLinus Torvaldsconfig MIPS_COBALT 3403fa986faSMartin Michlmayr bool "Cobalt Server" 34142f77542SRalf Baechle select CEVT_R4K 342940f6b48SRalf Baechle select CSRC_R4K 3431097c6acSYoichi Yuasa select CEVT_GT641XX 3441da177e4SLinus Torvalds select DMA_NONCOHERENT 345eb01d42aSChristoph Hellwig select FORCE_PCI 346d865bea4SRalf Baechle select I8253 3471da177e4SLinus Torvalds select I8259 34867e38cf2SRalf Baechle select IRQ_MIPS_CPU 349d5ab1a69SYoichi Yuasa select IRQ_GT641XX 350252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3517cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3520a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 353ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3540e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3555e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 356e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvaldsconfig MACH_DECSTATION 3593fa986faSMartin Michlmayr bool "DECstations" 3601da177e4SLinus Torvalds select BOOT_ELF32 3616457d9fcSYoichi Yuasa select CEVT_DS1287 36281d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3634247417dSYoichi Yuasa select CSRC_IOASIC 36481d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 36520d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 36620d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 36720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3681da177e4SLinus Torvalds select DMA_NONCOHERENT 369ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 37067e38cf2SRalf Baechle select IRQ_MIPS_CPU 3717cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3727cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 373ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3747d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3755e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3761723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3771723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3781723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 379930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3805e83d430SRalf Baechle help 3811da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3821da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3831da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3861da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3871da177e4SLinus Torvalds 3881da177e4SLinus Torvalds DECstation 5000/50 3891da177e4SLinus Torvalds DECstation 5000/150 3901da177e4SLinus Torvalds DECstation 5000/260 3911da177e4SLinus Torvalds DECsystem 5900/260 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds otherwise choose R3000. 3941da177e4SLinus Torvalds 3955e83d430SRalf Baechleconfig MACH_JAZZ 3963fa986faSMartin Michlmayr bool "Jazz family of machines" 39739b2d756SThomas Bogendoerfer select ARC_MEMORY 39839b2d756SThomas Bogendoerfer select ARC_PROMLIB 399a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4007a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4012f9237d4SChristoph Hellwig select DMA_OPS 4020e2794b0SRalf Baechle select FW_ARC 4030e2794b0SRalf Baechle select FW_ARC32 4045e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 40542f77542SRalf Baechle select CEVT_R4K 406940f6b48SRalf Baechle select CSRC_R4K 407e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 4085e83d430SRalf Baechle select GENERIC_ISA_DMA 4098a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41067e38cf2SRalf Baechle select IRQ_MIPS_CPU 411d865bea4SRalf Baechle select I8253 4125e83d430SRalf Baechle select I8259 4135e83d430SRalf Baechle select ISA 4147cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4155e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4167d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 4171723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 418aadfe4b5SArnd Bergmann select SYS_SUPPORTS_LITTLE_ENDIAN 4191da177e4SLinus Torvalds help 4205e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 4215e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 422692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 4235e83d430SRalf Baechle Olivetti M700-10 workstations. 4245e83d430SRalf Baechle 425f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC 426de361e8bSPaul Burton bool "Ingenic SoC based machines" 427f0f4a753SPaul Cercueil select MIPS_GENERIC 428f0f4a753SPaul Cercueil select MACH_INGENIC 429f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 4305ebabe59SLars-Peter Clausen 431171bb2f1SJohn Crispinconfig LANTIQ 432171bb2f1SJohn Crispin bool "Lantiq based platforms" 433171bb2f1SJohn Crispin select DMA_NONCOHERENT 43467e38cf2SRalf Baechle select IRQ_MIPS_CPU 435171bb2f1SJohn Crispin select CEVT_R4K 436171bb2f1SJohn Crispin select CSRC_R4K 437171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 438171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 439171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 440171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 441377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 442171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 443f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 444171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 445d30a2b47SLinus Walleij select GPIOLIB 446171bb2f1SJohn Crispin select SWAP_IO_SPACE 447171bb2f1SJohn Crispin select BOOT_RAW 448287e3f3fSJohn Crispin select CLKDEV_LOOKUP 449bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 450a0392222SJohn Crispin select USE_OF 4513f8c50c9SJohn Crispin select PINCTRL 4523f8c50c9SJohn Crispin select PINCTRL_LANTIQ 453c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 454c530781cSJohn Crispin select RESET_CONTROLLER 455171bb2f1SJohn Crispin 45630ad29bbSHuacai Chenconfig MACH_LOONGSON32 457caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 458c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 459ade299d8SYoichi Yuasa help 46030ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 46185749d24SWu Zhangjin 46230ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 46330ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 46430ad29bbSHuacai Chen Sciences (CAS). 465ade299d8SYoichi Yuasa 46671e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 46771e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 468ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 469ca585cf9SKelvin Cheung help 47071e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 471ca585cf9SKelvin Cheung 47271e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 473caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4746fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4756fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4766fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4776fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4786fbde6b4SJiaxun Yang select BOOT_ELF32 4796fbde6b4SJiaxun Yang select BOARD_SCACHE 4806fbde6b4SJiaxun Yang select CSRC_R4K 4816fbde6b4SJiaxun Yang select CEVT_R4K 4826fbde6b4SJiaxun Yang select CPU_HAS_WB 4836fbde6b4SJiaxun Yang select FORCE_PCI 4846fbde6b4SJiaxun Yang select ISA 4856fbde6b4SJiaxun Yang select I8259 4866fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4877d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4885125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4896fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4906423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 4916fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4926fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4936fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4946fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4956fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4966fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4976fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4986fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 49971e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 500a307a4ceSJinyang He select SYS_SUPPORTS_RELOCATABLE 5016fbde6b4SJiaxun Yang select ZONE_DMA32 50287fcfa7bSJiaxun Yang select COMMON_CLK 50387fcfa7bSJiaxun Yang select USE_OF 50487fcfa7bSJiaxun Yang select BUILTIN_DTB 50539c1485cSHuacai Chen select PCI_HOST_GENERIC 50671e2f4ddSJiaxun Yang help 507caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 508caed1d1bSHuacai Chen 509caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 510caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 511caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 512caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 513ca585cf9SKelvin Cheung 5146a438309SAndrew Brestickerconfig MACH_PISTACHIO 5156a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5166a438309SAndrew Bresticker select BOOT_ELF32 5176a438309SAndrew Bresticker select BOOT_RAW 5186a438309SAndrew Bresticker select CEVT_R4K 5196a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5206a438309SAndrew Bresticker select COMMON_CLK 5216a438309SAndrew Bresticker select CSRC_R4K 522645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 523d30a2b47SLinus Walleij select GPIOLIB 52467e38cf2SRalf Baechle select IRQ_MIPS_CPU 5256a438309SAndrew Bresticker select MFD_SYSCON 5266a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5276a438309SAndrew Bresticker select MIPS_GIC 5286a438309SAndrew Bresticker select PINCTRL 5296a438309SAndrew Bresticker select REGULATOR 5306a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5316a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5326a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5336a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5346a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 53541cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5366a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 537018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 538018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5396a438309SAndrew Bresticker select USE_OF 5406a438309SAndrew Bresticker help 5416a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5426a438309SAndrew Bresticker 5431da177e4SLinus Torvaldsconfig MIPS_MALTA 5443fa986faSMartin Michlmayr bool "MIPS Malta board" 54561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 546a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5477a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5481da177e4SLinus Torvalds select BOOT_ELF32 549fa71c960SRalf Baechle select BOOT_RAW 550e8823d26SPaul Burton select BUILTIN_DTB 55142f77542SRalf Baechle select CEVT_R4K 552fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 55342b002abSGuenter Roeck select COMMON_CLK 55447bf2b03SMaksym Kokhan select CSRC_R4K 555a86497d6SChristoph Hellwig select DMA_NONCOHERENT 5561da177e4SLinus Torvalds select GENERIC_ISA_DMA 5578a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 558eb01d42aSChristoph Hellwig select HAVE_PCI 559d865bea4SRalf Baechle select I8253 5601da177e4SLinus Torvalds select I8259 56147bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5625e83d430SRalf Baechle select MIPS_BONITO64 5639318c51aSChris Dearman select MIPS_CPU_SCACHE 56447bf2b03SMaksym Kokhan select MIPS_GIC 565a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5665e83d430SRalf Baechle select MIPS_MSC 56747bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 568ecafe3e9SPaul Burton select SMP_UP if SMP 5691da177e4SLinus Torvalds select SWAP_IO_SPACE 5707cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5717cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 572bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 573c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 574575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5757cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5765d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 577575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5787cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5797cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 580ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 581ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5825e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 583c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5845e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 585424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 58647bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5870365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 588e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 589f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 59047bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5919693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 592f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5931b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 594e8823d26SPaul Burton select USE_OF 595886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 596abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5971da177e4SLinus Torvalds help 598f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5991da177e4SLinus Torvalds board. 6001da177e4SLinus Torvalds 6012572f00dSJoshua Hendersonconfig MACH_PIC32 6022572f00dSJoshua Henderson bool "Microchip PIC32 Family" 6032572f00dSJoshua Henderson help 6042572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 6052572f00dSJoshua Henderson 6062572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 6072572f00dSJoshua Henderson microcontrollers. 6082572f00dSJoshua Henderson 6095e83d430SRalf Baechleconfig MACH_VR41XX 61074142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 61142f77542SRalf Baechle select CEVT_R4K 612940f6b48SRalf Baechle select CSRC_R4K 6137cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 614377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 615d30a2b47SLinus Walleij select GPIOLIB 6165e83d430SRalf Baechle 617baec970aSLauri Kasanenconfig MACH_NINTENDO64 618baec970aSLauri Kasanen bool "Nintendo 64 console" 619baec970aSLauri Kasanen select CEVT_R4K 620baec970aSLauri Kasanen select CSRC_R4K 621baec970aSLauri Kasanen select SYS_HAS_CPU_R4300 622baec970aSLauri Kasanen select SYS_SUPPORTS_BIG_ENDIAN 623baec970aSLauri Kasanen select SYS_SUPPORTS_ZBOOT 624baec970aSLauri Kasanen select SYS_SUPPORTS_32BIT_KERNEL 625baec970aSLauri Kasanen select SYS_SUPPORTS_64BIT_KERNEL 626baec970aSLauri Kasanen select DMA_NONCOHERENT 627baec970aSLauri Kasanen select IRQ_MIPS_CPU 628baec970aSLauri Kasanen 629ae2b5bb6SJohn Crispinconfig RALINK 630ae2b5bb6SJohn Crispin bool "Ralink based machines" 631ae2b5bb6SJohn Crispin select CEVT_R4K 632ae2b5bb6SJohn Crispin select CSRC_R4K 633ae2b5bb6SJohn Crispin select BOOT_RAW 634ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 63567e38cf2SRalf Baechle select IRQ_MIPS_CPU 636ae2b5bb6SJohn Crispin select USE_OF 637ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 638ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 639ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 640ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 641377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 6421f0400d0SChuanhong Guo select SYS_SUPPORTS_ZBOOT 643ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 644ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6452a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6462a153f1cSJohn Crispin select RESET_CONTROLLER 647ae2b5bb6SJohn Crispin 6484042147aSBert Vermeulenconfig MACH_REALTEK_RTL 6494042147aSBert Vermeulen bool "Realtek RTL838x/RTL839x based machines" 6504042147aSBert Vermeulen select MIPS_GENERIC 6514042147aSBert Vermeulen select DMA_NONCOHERENT 6524042147aSBert Vermeulen select IRQ_MIPS_CPU 6534042147aSBert Vermeulen select CSRC_R4K 6544042147aSBert Vermeulen select CEVT_R4K 6554042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R1 6564042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R2 6574042147aSBert Vermeulen select SYS_SUPPORTS_BIG_ENDIAN 6584042147aSBert Vermeulen select SYS_SUPPORTS_32BIT_KERNEL 6594042147aSBert Vermeulen select SYS_SUPPORTS_MIPS16 6604042147aSBert Vermeulen select SYS_SUPPORTS_MULTITHREADING 6614042147aSBert Vermeulen select SYS_SUPPORTS_VPE_LOADER 6624042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK 6634042147aSBert Vermeulen select SYS_HAS_EARLY_PRINTK_8250 6644042147aSBert Vermeulen select USE_GENERIC_EARLY_PRINTK_8250 6654042147aSBert Vermeulen select BOOT_RAW 6664042147aSBert Vermeulen select PINCTRL 6674042147aSBert Vermeulen select USE_OF 6684042147aSBert Vermeulen 6691da177e4SLinus Torvaldsconfig SGI_IP22 6703fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 671c0de00b2SThomas Bogendoerfer select ARC_MEMORY 67239b2d756SThomas Bogendoerfer select ARC_PROMLIB 6730e2794b0SRalf Baechle select FW_ARC 6740e2794b0SRalf Baechle select FW_ARC32 6757a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6761da177e4SLinus Torvalds select BOOT_ELF32 67742f77542SRalf Baechle select CEVT_R4K 678940f6b48SRalf Baechle select CSRC_R4K 679e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6801da177e4SLinus Torvalds select DMA_NONCOHERENT 6816630a8e5SChristoph Hellwig select HAVE_EISA 682d865bea4SRalf Baechle select I8253 68368de4803SThomas Bogendoerfer select I8259 6841da177e4SLinus Torvalds select IP22_CPU_SCACHE 68567e38cf2SRalf Baechle select IRQ_MIPS_CPU 686aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 687e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 688e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 68936e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 690e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 691e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 692e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6931da177e4SLinus Torvalds select SWAP_IO_SPACE 6947cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6957cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 696c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 697ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 698ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6995e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 700802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 7015e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 70244def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 703930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7041da177e4SLinus Torvalds help 7051da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 7061da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7071da177e4SLinus Torvalds that runs on these, say Y here. 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvaldsconfig SGI_IP27 7103fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 71154aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 712397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7130e2794b0SRalf Baechle select FW_ARC 7140e2794b0SRalf Baechle select FW_ARC64 715e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7165e83d430SRalf Baechle select BOOT_ELF64 717e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 71804100459SChristoph Hellwig select FORCE_PCI 71936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 720eb01d42aSChristoph Hellwig select HAVE_PCI 72169a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 722e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 723130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 724a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 725a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7267cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 727ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 729d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7301a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 731256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 732930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7336c86a302SMike Rapoport select NUMA 7341da177e4SLinus Torvalds help 7351da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7361da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7371da177e4SLinus Torvalds here. 7381da177e4SLinus Torvalds 739e2defae5SThomas Bogendoerferconfig SGI_IP28 7407d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 741c0de00b2SThomas Bogendoerfer select ARC_MEMORY 74239b2d756SThomas Bogendoerfer select ARC_PROMLIB 7430e2794b0SRalf Baechle select FW_ARC 7440e2794b0SRalf Baechle select FW_ARC64 7457a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 746e2defae5SThomas Bogendoerfer select BOOT_ELF64 747e2defae5SThomas Bogendoerfer select CEVT_R4K 748e2defae5SThomas Bogendoerfer select CSRC_R4K 749e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 750e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 751e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 75267e38cf2SRalf Baechle select IRQ_MIPS_CPU 7536630a8e5SChristoph Hellwig select HAVE_EISA 754e2defae5SThomas Bogendoerfer select I8253 755e2defae5SThomas Bogendoerfer select I8259 756e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 757e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7585b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 759e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 760e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 761e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 762e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 763e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 764c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 765e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 766e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 767256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 768dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 769e2defae5SThomas Bogendoerfer help 770e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 771e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 772e2defae5SThomas Bogendoerfer 7737505576dSThomas Bogendoerferconfig SGI_IP30 7747505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7757505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7767505576dSThomas Bogendoerfer select FW_ARC 7777505576dSThomas Bogendoerfer select FW_ARC64 7787505576dSThomas Bogendoerfer select BOOT_ELF64 7797505576dSThomas Bogendoerfer select CEVT_R4K 7807505576dSThomas Bogendoerfer select CSRC_R4K 78104100459SChristoph Hellwig select FORCE_PCI 7827505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7837505576dSThomas Bogendoerfer select ZONE_DMA32 7847505576dSThomas Bogendoerfer select HAVE_PCI 7857505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7867505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7877505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7887505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7897505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7907505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7917505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7927505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7937505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7947505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 795256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 7967505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7977505576dSThomas Bogendoerfer select ARC_MEMORY 7987505576dSThomas Bogendoerfer help 7997505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 8007505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 8017505576dSThomas Bogendoerfer 8021da177e4SLinus Torvaldsconfig SGI_IP32 803cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 80439b2d756SThomas Bogendoerfer select ARC_MEMORY 80539b2d756SThomas Bogendoerfer select ARC_PROMLIB 80603df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 8070e2794b0SRalf Baechle select FW_ARC 8080e2794b0SRalf Baechle select FW_ARC32 8091da177e4SLinus Torvalds select BOOT_ELF32 81042f77542SRalf Baechle select CEVT_R4K 811940f6b48SRalf Baechle select CSRC_R4K 8121da177e4SLinus Torvalds select DMA_NONCOHERENT 813eb01d42aSChristoph Hellwig select HAVE_PCI 81467e38cf2SRalf Baechle select IRQ_MIPS_CPU 8151da177e4SLinus Torvalds select R5000_CPU_SCACHE 8161da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8177cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8187cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8197cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 820dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 821ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8225e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 823886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 8241da177e4SLinus Torvalds help 8251da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8261da177e4SLinus Torvalds 827ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 828ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8295e83d430SRalf Baechle select BOOT_ELF32 8305e83d430SRalf Baechle select SIBYTE_BCM1120 8315e83d430SRalf Baechle select SWAP_IO_SPACE 8327cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8355e83d430SRalf Baechle 836ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 837ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8385e83d430SRalf Baechle select BOOT_ELF32 8395e83d430SRalf Baechle select SIBYTE_BCM1120 8405e83d430SRalf Baechle select SWAP_IO_SPACE 8417cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8445e83d430SRalf Baechle 8455e83d430SRalf Baechleconfig SIBYTE_CRHONE 8463fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8475e83d430SRalf Baechle select BOOT_ELF32 8485e83d430SRalf Baechle select SIBYTE_BCM1125 8495e83d430SRalf Baechle select SWAP_IO_SPACE 8507cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8515e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8525e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8535e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8545e83d430SRalf Baechle 855ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 856ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 857ade299d8SYoichi Yuasa select BOOT_ELF32 858ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 859ade299d8SYoichi Yuasa select SWAP_IO_SPACE 860ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 862ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 863ade299d8SYoichi Yuasa 864ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 865ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 866ade299d8SYoichi Yuasa select BOOT_ELF32 867fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 868ade299d8SYoichi Yuasa select SIBYTE_SB1250 869ade299d8SYoichi Yuasa select SWAP_IO_SPACE 870ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 871ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 872ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 873ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 874cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 875e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 876ade299d8SYoichi Yuasa 877ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 878ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 879ade299d8SYoichi Yuasa select BOOT_ELF32 880fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 881ade299d8SYoichi Yuasa select SIBYTE_SB1250 882ade299d8SYoichi Yuasa select SWAP_IO_SPACE 883ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 884ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 885ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 886ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 887756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 888ade299d8SYoichi Yuasa 889ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 890ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 891ade299d8SYoichi Yuasa select BOOT_ELF32 892ade299d8SYoichi Yuasa select SIBYTE_SB1250 893ade299d8SYoichi Yuasa select SWAP_IO_SPACE 894ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 895ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 896ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 897e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 898ade299d8SYoichi Yuasa 899ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 900ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 901ade299d8SYoichi Yuasa select BOOT_ELF32 902ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 903ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 904ade299d8SYoichi Yuasa select SWAP_IO_SPACE 905ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 906ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 907651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 908ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 909cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 910e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 911ade299d8SYoichi Yuasa 91214b36af4SThomas Bogendoerferconfig SNI_RM 91314b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 91439b2d756SThomas Bogendoerfer select ARC_MEMORY 91539b2d756SThomas Bogendoerfer select ARC_PROMLIB 9160e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9170e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 918aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9195e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 920a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9217a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9225e83d430SRalf Baechle select BOOT_ELF32 92342f77542SRalf Baechle select CEVT_R4K 924940f6b48SRalf Baechle select CSRC_R4K 925e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9265e83d430SRalf Baechle select DMA_NONCOHERENT 9275e83d430SRalf Baechle select GENERIC_ISA_DMA 9286630a8e5SChristoph Hellwig select HAVE_EISA 9298a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 930eb01d42aSChristoph Hellwig select HAVE_PCI 93167e38cf2SRalf Baechle select IRQ_MIPS_CPU 932d865bea4SRalf Baechle select I8253 9335e83d430SRalf Baechle select I8259 9345e83d430SRalf Baechle select ISA 935564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9364a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9377cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9384a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 939c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9404a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 94136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 942ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9437d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9444a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9455e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9465e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 94744def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9481da177e4SLinus Torvalds help 94914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 95014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9515e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9525e83d430SRalf Baechle support this machine type. 9531da177e4SLinus Torvalds 954edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 955edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9565e83d430SRalf Baechle 957edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 958edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 95924a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 96023fbee9dSRalf Baechle 96173b4390fSRalf Baechleconfig MIKROTIK_RB532 96273b4390fSRalf Baechle bool "Mikrotik RB532 boards" 96373b4390fSRalf Baechle select CEVT_R4K 96473b4390fSRalf Baechle select CSRC_R4K 96573b4390fSRalf Baechle select DMA_NONCOHERENT 966eb01d42aSChristoph Hellwig select HAVE_PCI 96767e38cf2SRalf Baechle select IRQ_MIPS_CPU 96873b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 96973b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 97073b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 97173b4390fSRalf Baechle select SWAP_IO_SPACE 97273b4390fSRalf Baechle select BOOT_RAW 973d30a2b47SLinus Walleij select GPIOLIB 974930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 97573b4390fSRalf Baechle help 97673b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 97773b4390fSRalf Baechle based on the IDT RC32434 SoC. 97873b4390fSRalf Baechle 9799ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9809ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 981a86c7f72SDavid Daney select CEVT_R4K 982ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9831753d50cSChristoph Hellwig select HAVE_RAPIDIO 984d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 985a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 986a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 987f65aad41SRalf Baechle select EDAC_SUPPORT 988b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 98973569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 99073569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 991a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9925e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 993eb01d42aSChristoph Hellwig select HAVE_PCI 99478bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 99578bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 99678bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 997f00e001eSDavid Daney select ZONE_DMA32 998465aaed0SDavid Daney select HOLES_IN_ZONE 999d30a2b47SLinus Walleij select GPIOLIB 10006e511163SDavid Daney select USE_OF 10016e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 10026e511163SDavid Daney select SYS_SUPPORTS_SMP 10037820b84bSDavid Daney select NR_CPUS_DEFAULT_64 10047820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 1005e326479fSAndrew Bresticker select BUILTIN_DTB 1006f766b28aSJulian Braha select MTD 10078c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 100809230cbcSChristoph Hellwig select SWIOTLB 10093ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 1010a86c7f72SDavid Daney help 1011a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 1012a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 1013a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 1014a86c7f72SDavid Daney Some of the supported boards are: 1015a86c7f72SDavid Daney EBT3000 1016a86c7f72SDavid Daney EBH3000 1017a86c7f72SDavid Daney EBH3100 1018a86c7f72SDavid Daney Thunder 1019a86c7f72SDavid Daney Kodama 1020a86c7f72SDavid Daney Hikari 1021a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1022a86c7f72SDavid Daney 10237f058e85SJayachandran Cconfig NLM_XLR_BOARD 10247f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10257f058e85SJayachandran C select BOOT_ELF32 10267f058e85SJayachandran C select NLM_COMMON 10277f058e85SJayachandran C select SYS_HAS_CPU_XLR 10287f058e85SJayachandran C select SYS_SUPPORTS_SMP 1029eb01d42aSChristoph Hellwig select HAVE_PCI 10307f058e85SJayachandran C select SWAP_IO_SPACE 10317f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10327f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1033d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10347f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10357f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10367f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10377f058e85SJayachandran C select CEVT_R4K 10387f058e85SJayachandran C select CSRC_R4K 103967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1040b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10417f058e85SJayachandran C select SYNC_R4K 10427f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10438f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10448f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10457f058e85SJayachandran C help 10467f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10477f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10487f058e85SJayachandran C 10491c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10501c773ea4SJayachandran C bool "Netlogic XLP based systems" 10511c773ea4SJayachandran C select BOOT_ELF32 10521c773ea4SJayachandran C select NLM_COMMON 10531c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10541c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1055eb01d42aSChristoph Hellwig select HAVE_PCI 10561c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10571c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1058d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1059d30a2b47SLinus Walleij select GPIOLIB 10601c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10611c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10621c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10631c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10641c773ea4SJayachandran C select CEVT_R4K 10651c773ea4SJayachandran C select CSRC_R4K 106667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1067b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10681c773ea4SJayachandran C select SYNC_R4K 10691c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10702f6528e1SJayachandran C select USE_OF 10718f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10728f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10731c773ea4SJayachandran C help 10741c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10751c773ea4SJayachandran C Say Y here if you have a XLP based board. 10761c773ea4SJayachandran C 10771da177e4SLinus Torvaldsendchoice 10781da177e4SLinus Torvalds 1079e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10803b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1081d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1082a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1083e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10848945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1085eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1086a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10875e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10888ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10892572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1090af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 1091ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10955e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1096a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 109771e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 109830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 109930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 11007f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 110138b18f72SRalf Baechle 11025e83d430SRalf Baechleendmenu 11035e83d430SRalf Baechle 11043c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11053c9ee7efSAkinobu Mita bool 11063c9ee7efSAkinobu Mita default y 11073c9ee7efSAkinobu Mita 11081da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11091da177e4SLinus Torvalds bool 11101da177e4SLinus Torvalds default y 11111da177e4SLinus Torvalds 1112ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11131cc89038SAtsushi Nemoto bool 11141cc89038SAtsushi Nemoto default y 11151cc89038SAtsushi Nemoto 11161da177e4SLinus Torvalds# 11171da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11181da177e4SLinus Torvalds# 11190e2794b0SRalf Baechleconfig FW_ARC 11201da177e4SLinus Torvalds bool 11211da177e4SLinus Torvalds 112261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112361ed242dSRalf Baechle bool 112461ed242dSRalf Baechle 11259267a30dSMarc St-Jeanconfig BOOT_RAW 11269267a30dSMarc St-Jean bool 11279267a30dSMarc St-Jean 1128217dd11eSRalf Baechleconfig CEVT_BCM1480 1129217dd11eSRalf Baechle bool 1130217dd11eSRalf Baechle 11316457d9fcSYoichi Yuasaconfig CEVT_DS1287 11326457d9fcSYoichi Yuasa bool 11336457d9fcSYoichi Yuasa 11341097c6acSYoichi Yuasaconfig CEVT_GT641XX 11351097c6acSYoichi Yuasa bool 11361097c6acSYoichi Yuasa 113742f77542SRalf Baechleconfig CEVT_R4K 113842f77542SRalf Baechle bool 113942f77542SRalf Baechle 1140217dd11eSRalf Baechleconfig CEVT_SB1250 1141217dd11eSRalf Baechle bool 1142217dd11eSRalf Baechle 1143229f773eSAtsushi Nemotoconfig CEVT_TXX9 1144229f773eSAtsushi Nemoto bool 1145229f773eSAtsushi Nemoto 1146217dd11eSRalf Baechleconfig CSRC_BCM1480 1147217dd11eSRalf Baechle bool 1148217dd11eSRalf Baechle 11494247417dSYoichi Yuasaconfig CSRC_IOASIC 11504247417dSYoichi Yuasa bool 11514247417dSYoichi Yuasa 1152940f6b48SRalf Baechleconfig CSRC_R4K 115338586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1154940f6b48SRalf Baechle bool 1155940f6b48SRalf Baechle 1156217dd11eSRalf Baechleconfig CSRC_SB1250 1157217dd11eSRalf Baechle bool 1158217dd11eSRalf Baechle 1159a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1160a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1161a7f4df4eSAlex Smith 1162a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1163d30a2b47SLinus Walleij select GPIOLIB 1164a9aec7feSAtsushi Nemoto bool 1165a9aec7feSAtsushi Nemoto 11660e2794b0SRalf Baechleconfig FW_CFE 1167df78b5c8SAurelien Jarno bool 1168df78b5c8SAurelien Jarno 116940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 117040e084a5SRalf Baechle bool 117140e084a5SRalf Baechle 117220d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 117320d33064SPaul Burton bool 1174347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11755748e1b3SChristoph Hellwig select DMA_NONCOHERENT 117620d33064SPaul Burton 11771da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11781da177e4SLinus Torvalds bool 1179db91427bSChristoph Hellwig # 1180db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1181db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1182db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1183db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1184db91427bSChristoph Hellwig # significant advantages. 1185db91427bSChristoph Hellwig # 1186419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1187fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1188f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1189fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 119034dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 119134dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11924ce588cdSRalf Baechle 119336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11941da177e4SLinus Torvalds bool 11951da177e4SLinus Torvalds 11961b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1197dbb74540SRalf Baechle bool 1198dbb74540SRalf Baechle 11991da177e4SLinus Torvaldsconfig MIPS_BONITO64 12001da177e4SLinus Torvalds bool 12011da177e4SLinus Torvalds 12021da177e4SLinus Torvaldsconfig MIPS_MSC 12031da177e4SLinus Torvalds bool 12041da177e4SLinus Torvalds 120539b8d525SRalf Baechleconfig SYNC_R4K 120639b8d525SRalf Baechle bool 120739b8d525SRalf Baechle 1208ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1209d388d685SMaciej W. Rozycki def_bool n 1210d388d685SMaciej W. Rozycki 12114e0748f5SMarkos Chandrasconfig GENERIC_CSUM 121218d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 12134e0748f5SMarkos Chandras 12148313da30SRalf Baechleconfig GENERIC_ISA_DMA 12158313da30SRalf Baechle bool 12168313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1217a35bee8aSNamhyung Kim select ISA_DMA_API 12188313da30SRalf Baechle 1219aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1220aa414dffSRalf Baechle bool 12218313da30SRalf Baechle select GENERIC_ISA_DMA 1222aa414dffSRalf Baechle 122378bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 122478bdbbacSMasahiro Yamada bool 122578bdbbacSMasahiro Yamada 122678bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 122778bdbbacSMasahiro Yamada bool 122878bdbbacSMasahiro Yamada 122978bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 123078bdbbacSMasahiro Yamada bool 123178bdbbacSMasahiro Yamada 1232a35bee8aSNamhyung Kimconfig ISA_DMA_API 1233a35bee8aSNamhyung Kim bool 1234a35bee8aSNamhyung Kim 1235465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1236465aaed0SDavid Daney bool 1237465aaed0SDavid Daney 12388c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12398c530ea3SMatt Redfearn bool 12408c530ea3SMatt Redfearn help 12418c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12428c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12438c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12448c530ea3SMatt Redfearn 1245f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1246f381bf6dSDavid Daney def_bool y 1247f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1248f381bf6dSDavid Daney 1249f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1250f381bf6dSDavid Daney def_bool y 1251f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1252f381bf6dSDavid Daney 1253f381bf6dSDavid Daney 12545e83d430SRalf Baechle# 12556b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12565e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12575e83d430SRalf Baechle# choice statement should be more obvious to the user. 12585e83d430SRalf Baechle# 12595e83d430SRalf Baechlechoice 12606b2aac42SMasanari Iida prompt "Endianness selection" 12611da177e4SLinus Torvalds help 12621da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12635e83d430SRalf Baechle byte order. These modes require different kernels and a different 12643cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12655e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12663dde6ad8SDavid Sterba one or the other endianness. 12675e83d430SRalf Baechle 12685e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12695e83d430SRalf Baechle bool "Big endian" 12705e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12715e83d430SRalf Baechle 12725e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12735e83d430SRalf Baechle bool "Little endian" 12745e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12755e83d430SRalf Baechle 12765e83d430SRalf Baechleendchoice 12775e83d430SRalf Baechle 127822b0763aSDavid Daneyconfig EXPORT_UASM 127922b0763aSDavid Daney bool 128022b0763aSDavid Daney 12812116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12822116245eSRalf Baechle bool 12832116245eSRalf Baechle 12845e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12855e83d430SRalf Baechle bool 12865e83d430SRalf Baechle 12875e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12885e83d430SRalf Baechle bool 12891da177e4SLinus Torvalds 12909cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12919cffd154SDavid Daney bool 129245e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12939cffd154SDavid Daney default y 12949cffd154SDavid Daney 1295aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1296aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1297aa1762f4SDavid Daney 12989267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12999267a30dSMarc St-Jean bool 13009267a30dSMarc St-Jean 13019267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 13029267a30dSMarc St-Jean bool 13039267a30dSMarc St-Jean 13048420fd00SAtsushi Nemotoconfig IRQ_TXX9 13058420fd00SAtsushi Nemoto bool 13068420fd00SAtsushi Nemoto 1307d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1308d5ab1a69SYoichi Yuasa bool 1309d5ab1a69SYoichi Yuasa 1310252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13111da177e4SLinus Torvalds bool 13121da177e4SLinus Torvalds 1313a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1314a57140e9SThomas Bogendoerfer bool 1315a57140e9SThomas Bogendoerfer 13169267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13179267a30dSMarc St-Jean bool 13189267a30dSMarc St-Jean 1319a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1320a7e07b1aSMarkos Chandras bool 1321a7e07b1aSMarkos Chandras 13221da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13231da177e4SLinus Torvalds bool 13241da177e4SLinus Torvalds 1325e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1326e2defae5SThomas Bogendoerfer bool 1327e2defae5SThomas Bogendoerfer 13285b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13295b438c44SThomas Bogendoerfer bool 13305b438c44SThomas Bogendoerfer 1331e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1332e2defae5SThomas Bogendoerfer bool 1333e2defae5SThomas Bogendoerfer 1334e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1335e2defae5SThomas Bogendoerfer bool 1336e2defae5SThomas Bogendoerfer 1337e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1338e2defae5SThomas Bogendoerfer bool 1339e2defae5SThomas Bogendoerfer 1340e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1341e2defae5SThomas Bogendoerfer bool 1342e2defae5SThomas Bogendoerfer 1343e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1344e2defae5SThomas Bogendoerfer bool 1345e2defae5SThomas Bogendoerfer 13460e2794b0SRalf Baechleconfig FW_ARC32 13475e83d430SRalf Baechle bool 13485e83d430SRalf Baechle 1349aaa9fad3SPaul Bolleconfig FW_SNIPROM 1350231a35d3SThomas Bogendoerfer bool 1351231a35d3SThomas Bogendoerfer 13521da177e4SLinus Torvaldsconfig BOOT_ELF32 13531da177e4SLinus Torvalds bool 13541da177e4SLinus Torvalds 1355930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1356930beb5aSFlorian Fainelli bool 1357930beb5aSFlorian Fainelli 1358930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1359930beb5aSFlorian Fainelli bool 1360930beb5aSFlorian Fainelli 1361930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1362930beb5aSFlorian Fainelli bool 1363930beb5aSFlorian Fainelli 1364930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1365930beb5aSFlorian Fainelli bool 1366930beb5aSFlorian Fainelli 13671da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13681da177e4SLinus Torvalds int 1369a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13705432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13715432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13725432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13731da177e4SLinus Torvalds default "5" 13741da177e4SLinus Torvalds 1375e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1376e9422427SThomas Bogendoerfer bool 1377e9422427SThomas Bogendoerfer 13781da177e4SLinus Torvaldsconfig ARC_CONSOLE 13791da177e4SLinus Torvalds bool "ARC console support" 1380e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13811da177e4SLinus Torvalds 13821da177e4SLinus Torvaldsconfig ARC_MEMORY 13831da177e4SLinus Torvalds bool 13841da177e4SLinus Torvalds 13851da177e4SLinus Torvaldsconfig ARC_PROMLIB 13861da177e4SLinus Torvalds bool 13871da177e4SLinus Torvalds 13880e2794b0SRalf Baechleconfig FW_ARC64 13891da177e4SLinus Torvalds bool 13901da177e4SLinus Torvalds 13911da177e4SLinus Torvaldsconfig BOOT_ELF64 13921da177e4SLinus Torvalds bool 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvaldsmenu "CPU selection" 13951da177e4SLinus Torvalds 13961da177e4SLinus Torvaldschoice 13971da177e4SLinus Torvalds prompt "CPU type" 13981da177e4SLinus Torvalds default CPU_R4X00 13991da177e4SLinus Torvalds 1400268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1401caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1402268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1403d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 140451522217SJiaxun Yang select CPU_MIPSR2 140551522217SJiaxun Yang select CPU_HAS_PREFETCH 14060e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14070e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14080e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14097507445bSHuacai Chen select CPU_SUPPORTS_MSA 141051522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 141151522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 14120e476d91SHuacai Chen select WEAK_ORDERING 14130e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14147507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1415b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 141617c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1417d30a2b47SLinus Walleij select GPIOLIB 141809230cbcSChristoph Hellwig select SWIOTLB 14190f78355cSHuacai Chen select HAVE_KVM 14200e476d91SHuacai Chen help 1421caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1422caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1423caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1424caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1425caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14260e476d91SHuacai Chen 1427caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1428caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14291e820da3SHuacai Chen default n 1430268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14311e820da3SHuacai Chen help 1432caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14331e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1434268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14351e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14361e820da3SHuacai Chen Fast TLB refill support, etc. 14371e820da3SHuacai Chen 14381e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14391e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14401e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1441caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14421e820da3SHuacai Chen 1443e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1444caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1445e02e07e3SHuacai Chen default y if SMP 1446268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1447e02e07e3SHuacai Chen help 1448caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1449e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1450e02e07e3SHuacai Chen 1451caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1452e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1453e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1454e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1455e02e07e3SHuacai Chen 1456e02e07e3SHuacai Chen If unsure, please say Y. 1457e02e07e3SHuacai Chen 1458ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1459ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1460ec7a9318SWANG Xuerui default y 1461ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1462ec7a9318SWANG Xuerui help 1463ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1464ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1465ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1466ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1467ec7a9318SWANG Xuerui 1468ec7a9318SWANG Xuerui If unsure, please say Y. 1469ec7a9318SWANG Xuerui 14703702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14713702bba5SWu Zhangjin bool "Loongson 2E" 14723702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1473268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14742a21c730SFuxin Zhang help 14752a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14762a21c730SFuxin Zhang with many extensions. 14772a21c730SFuxin Zhang 147825985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14796f7a251aSWu Zhangjin bonito64. 14806f7a251aSWu Zhangjin 14816f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14826f7a251aSWu Zhangjin bool "Loongson 2F" 14836f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1484268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1485d30a2b47SLinus Walleij select GPIOLIB 14866f7a251aSWu Zhangjin help 14876f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14886f7a251aSWu Zhangjin with many extensions. 14896f7a251aSWu Zhangjin 14906f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14916f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14926f7a251aSWu Zhangjin Loongson2E. 14936f7a251aSWu Zhangjin 1494ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1495ca585cf9SKelvin Cheung bool "Loongson 1B" 1496ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1497b2afb64cSHuacai Chen select CPU_LOONGSON32 14989ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1499ca585cf9SKelvin Cheung help 1500ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1501968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1502968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1503ca585cf9SKelvin Cheung 150412e3280bSYang Lingconfig CPU_LOONGSON1C 150512e3280bSYang Ling bool "Loongson 1C" 150612e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1507b2afb64cSHuacai Chen select CPU_LOONGSON32 150812e3280bSYang Ling select LEDS_GPIO_REGISTER 150912e3280bSYang Ling help 151012e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1511968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1512968dc5a0S谢致邦 (XIE Zhibang) instruction set. 151312e3280bSYang Ling 15146e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15156e760c8dSRalf Baechle bool "MIPS32 Release 1" 15167cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15176e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1518797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1519ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15206e760c8dSRalf Baechle help 15215e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15221e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15231e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15241e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15251e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15261e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15271e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15281e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15291e5f1caaSRalf Baechle performance. 15301e5f1caaSRalf Baechle 15311e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15321e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15337cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15341e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1535797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1536ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1537a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15382235a54dSSanjay Lal select HAVE_KVM 15391e5f1caaSRalf Baechle help 15405e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15416e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15426e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15436e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15446e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15451da177e4SLinus Torvalds 1546ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1547ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1548ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1549ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1550ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1551ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1552ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1553ab7c01fdSSerge Semin select HAVE_KVM 1554ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1555ab7c01fdSSerge Semin help 1556ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1557ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1558ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1559ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1560ab7c01fdSSerge Semin 15617fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1562674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15637fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15647fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 156518d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15667fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15677fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15687fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15697fd08ca5SLeonid Yegoshin select HAVE_KVM 15707fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15717fd08ca5SLeonid Yegoshin help 15727fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15737fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15747fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15757fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15767fd08ca5SLeonid Yegoshin 15776e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15786e760c8dSRalf Baechle bool "MIPS64 Release 1" 15797cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1580797798c1SRalf Baechle select CPU_HAS_PREFETCH 1581ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1582ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1583ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15849cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15856e760c8dSRalf Baechle help 15866e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15876e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15886e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15896e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15906e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15911e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15921e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15931e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15941e5f1caaSRalf Baechle performance. 15951e5f1caaSRalf Baechle 15961e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15971e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15987cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1599797798c1SRalf Baechle select CPU_HAS_PREFETCH 16001e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16011e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1602ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16039cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1604a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 160540a2df49SJames Hogan select HAVE_KVM 16061e5f1caaSRalf Baechle help 16071e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16081e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16091e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16101e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16111e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16121da177e4SLinus Torvalds 1613ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1614ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1615ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1616ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1617ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1618ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1619ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1620ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1621ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1622ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1623ab7c01fdSSerge Semin select HAVE_KVM 1624ab7c01fdSSerge Semin help 1625ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1626ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1627ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1628ab7c01fdSSerge Semin any hardware known to be based on this release. 1629ab7c01fdSSerge Semin 16307fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1631674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16327fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16337fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 163418d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 16357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16367fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16377fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1638afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16397fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16402e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 164140a2df49SJames Hogan select HAVE_KVM 16427fd08ca5SLeonid Yegoshin help 16437fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16447fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16457fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16467fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16477fd08ca5SLeonid Yegoshin 1648281e3aeaSSerge Seminconfig CPU_P5600 1649281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1650281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1651281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1652281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1653281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1654281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1655281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1656281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1657281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1658281e3aeaSSerge Semin select HAVE_KVM 1659281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1660281e3aeaSSerge Semin help 1661281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1662281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1663281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1664281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1665281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1666281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1667281e3aeaSSerge Semin eJTAG and PDtrace. 1668281e3aeaSSerge Semin 16691da177e4SLinus Torvaldsconfig CPU_R3000 16701da177e4SLinus Torvalds bool "R3000" 16717cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1672f7062ddbSRalf Baechle select CPU_HAS_WB 167354746829SPaul Burton select CPU_R3K_TLB 1674ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1675797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16761da177e4SLinus Torvalds help 16771da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16781da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16791da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16801da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16811da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16821da177e4SLinus Torvalds try to recompile with R3000. 16831da177e4SLinus Torvalds 16841da177e4SLinus Torvaldsconfig CPU_TX39XX 16851da177e4SLinus Torvalds bool "R39XX" 16867cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1687ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 168854746829SPaul Burton select CPU_R3K_TLB 16891da177e4SLinus Torvalds 16901da177e4SLinus Torvaldsconfig CPU_VR41XX 16911da177e4SLinus Torvalds bool "R41xx" 16927cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1693ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1694ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16951da177e4SLinus Torvalds help 16965e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16971da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16981da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16991da177e4SLinus Torvalds processor or vice versa. 17001da177e4SLinus Torvalds 170165ce6197SLauri Kasanenconfig CPU_R4300 170265ce6197SLauri Kasanen bool "R4300" 170365ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 170465ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 170565ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 170665ce6197SLauri Kasanen select CPU_HAS_LOAD_STORE_LR 170765ce6197SLauri Kasanen help 170865ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 170965ce6197SLauri Kasanen 17101da177e4SLinus Torvaldsconfig CPU_R4X00 17111da177e4SLinus Torvalds bool "R4x00" 17127cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1713ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1714ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1715970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17161da177e4SLinus Torvalds help 17171da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 17181da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 17191da177e4SLinus Torvalds 17201da177e4SLinus Torvaldsconfig CPU_TX49XX 17211da177e4SLinus Torvalds bool "R49XX" 17227cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1723de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1724ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1725ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1726970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17271da177e4SLinus Torvalds 17281da177e4SLinus Torvaldsconfig CPU_R5000 17291da177e4SLinus Torvalds bool "R5000" 17307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1731ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1732ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1733970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17341da177e4SLinus Torvalds help 17351da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 17361da177e4SLinus Torvalds 1737542c1020SShinya Kuribayashiconfig CPU_R5500 1738542c1020SShinya Kuribayashi bool "R5500" 1739542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1740542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1741542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17429cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1743542c1020SShinya Kuribayashi help 1744542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1745542c1020SShinya Kuribayashi instruction set. 1746542c1020SShinya Kuribayashi 17471da177e4SLinus Torvaldsconfig CPU_NEVADA 17481da177e4SLinus Torvalds bool "RM52xx" 17497cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1750ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1751ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1752970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17531da177e4SLinus Torvalds help 17541da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17551da177e4SLinus Torvalds 17561da177e4SLinus Torvaldsconfig CPU_R10000 17571da177e4SLinus Torvalds bool "R10000" 17587cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17595e83d430SRalf Baechle select CPU_HAS_PREFETCH 1760ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1761ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1762797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1763970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17641da177e4SLinus Torvalds help 17651da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17661da177e4SLinus Torvalds 17671da177e4SLinus Torvaldsconfig CPU_RM7000 17681da177e4SLinus Torvalds bool "RM7000" 17697cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17705e83d430SRalf Baechle select CPU_HAS_PREFETCH 1771ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1772ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1773797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1774970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17751da177e4SLinus Torvalds 17761da177e4SLinus Torvaldsconfig CPU_SB1 17771da177e4SLinus Torvalds bool "SB1" 17787cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1779ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1780ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1781797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1782970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17830004a9dfSRalf Baechle select WEAK_ORDERING 17841da177e4SLinus Torvalds 1785a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1786a86c7f72SDavid Daney bool "Cavium Octeon processor" 17875e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1788a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1789a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1790a86c7f72SDavid Daney select WEAK_ORDERING 1791a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17929cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1793df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1794df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1795930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17960ae3abcdSJames Hogan select HAVE_KVM 1797a86c7f72SDavid Daney help 1798a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1799a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1800a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1801a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1802a86c7f72SDavid Daney 1803cd746249SJonas Gorskiconfig CPU_BMIPS 1804cd746249SJonas Gorski bool "Broadcom BMIPS" 1805cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1806cd746249SJonas Gorski select CPU_MIPS32 1807fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1808cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1809cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1810cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1811cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1812cd746249SJonas Gorski select DMA_NONCOHERENT 181367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1814cd746249SJonas Gorski select SWAP_IO_SPACE 1815cd746249SJonas Gorski select WEAK_ORDERING 1816c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 181769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1818a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1819a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1820c1c0c461SKevin Cernekee help 1821fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1822c1c0c461SKevin Cernekee 18237f058e85SJayachandran Cconfig CPU_XLR 18247f058e85SJayachandran C bool "Netlogic XLR SoC" 18257f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 18267f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18277f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18287f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1829970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18307f058e85SJayachandran C select WEAK_ORDERING 18317f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18327f058e85SJayachandran C help 18337f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18341c773ea4SJayachandran C 18351c773ea4SJayachandran Cconfig CPU_XLP 18361c773ea4SJayachandran C bool "Netlogic XLP SoC" 18371c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18381c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18391c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18401c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18411c773ea4SJayachandran C select WEAK_ORDERING 18421c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18431c773ea4SJayachandran C select CPU_HAS_PREFETCH 1844d6504846SJayachandran C select CPU_MIPSR2 1845ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18462db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18471c773ea4SJayachandran C help 18481c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18491da177e4SLinus Torvaldsendchoice 18501da177e4SLinus Torvalds 1851a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1852a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1853a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1854281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1855281e3aeaSSerge Semin CPU_P5600 1856a6e18781SLeonid Yegoshin help 1857a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1858a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1859a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1860a6e18781SLeonid Yegoshin 1861a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1862a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1863a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1864a6e18781SLeonid Yegoshin select EVA 1865a6e18781SLeonid Yegoshin default y 1866a6e18781SLeonid Yegoshin help 1867a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1868a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1869a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1870a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1871a6e18781SLeonid Yegoshin 1872c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1873c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1874c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1875281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1876c5b36783SSteven J. Hill help 1877c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1878c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1879c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1880c5b36783SSteven J. Hill 1881c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1882c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1883c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1884c5b36783SSteven J. Hill depends on !EVA 1885c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1886c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1887c5b36783SSteven J. Hill select XPA 1888c5b36783SSteven J. Hill select HIGHMEM 1889d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1890c5b36783SSteven J. Hill default n 1891c5b36783SSteven J. Hill help 1892c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1893c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1894c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1895c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1896c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1897c5b36783SSteven J. Hill If unsure, say 'N' here. 1898c5b36783SSteven J. Hill 1899622844bfSWu Zhangjinif CPU_LOONGSON2F 1900622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1901622844bfSWu Zhangjin bool 1902622844bfSWu Zhangjin 1903622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1904622844bfSWu Zhangjin bool 1905622844bfSWu Zhangjin 1906622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1907622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1908622844bfSWu Zhangjin default y 1909622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1910622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1911622844bfSWu Zhangjin help 1912622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1913622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1914622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1915622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1916622844bfSWu Zhangjin 1917622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1918622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1919622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1920622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1921622844bfSWu Zhangjin systems. 1922622844bfSWu Zhangjin 1923622844bfSWu Zhangjin If unsure, please say Y. 1924622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1925622844bfSWu Zhangjin 19261b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19271b93b3c3SWu Zhangjin bool 19281b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19291b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 193031c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19311b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1932fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19334e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1934a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 19351b93b3c3SWu Zhangjin 19361b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19371b93b3c3SWu Zhangjin bool 19381b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19391b93b3c3SWu Zhangjin 1940dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1941dbb98314SAlban Bedel bool 1942dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1943dbb98314SAlban Bedel 1944268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19453702bba5SWu Zhangjin bool 19463702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19473702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19483702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1949970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1950e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 19513702bba5SWu Zhangjin 1952b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1953ca585cf9SKelvin Cheung bool 1954ca585cf9SKelvin Cheung select CPU_MIPS32 19557e280f6bSJiaxun Yang select CPU_MIPSR2 1956ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1957ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1958ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1959f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1960ca585cf9SKelvin Cheung 1961fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 196204fa8bf7SJonas Gorski select SMP_UP if SMP 19631bbb6c1bSKevin Cernekee bool 1964cd746249SJonas Gorski 1965cd746249SJonas Gorskiconfig CPU_BMIPS4350 1966cd746249SJonas Gorski bool 1967cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1968cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1969cd746249SJonas Gorski 1970cd746249SJonas Gorskiconfig CPU_BMIPS4380 1971cd746249SJonas Gorski bool 1972bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1973cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1974cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1975b4720809SFlorian Fainelli select CPU_HAS_RIXI 1976cd746249SJonas Gorski 1977cd746249SJonas Gorskiconfig CPU_BMIPS5000 1978cd746249SJonas Gorski bool 1979cd746249SJonas Gorski select MIPS_CPU_SCACHE 1980bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1981cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1982cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1983b4720809SFlorian Fainelli select CPU_HAS_RIXI 19841bbb6c1bSKevin Cernekee 1985268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19860e476d91SHuacai Chen bool 19870e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1988b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19890e476d91SHuacai Chen 19903702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19912a21c730SFuxin Zhang bool 19922a21c730SFuxin Zhang 19936f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19946f7a251aSWu Zhangjin bool 199555045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 199655045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 19976f7a251aSWu Zhangjin 1998ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1999ca585cf9SKelvin Cheung bool 2000ca585cf9SKelvin Cheung 200112e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 200212e3280bSYang Ling bool 200312e3280bSYang Ling 20047cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 20057cf8053bSRalf Baechle bool 20067cf8053bSRalf Baechle 20077cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 20087cf8053bSRalf Baechle bool 20097cf8053bSRalf Baechle 2010a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 2011a6e18781SLeonid Yegoshin bool 2012a6e18781SLeonid Yegoshin 2013c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 2014c5b36783SSteven J. Hill bool 20159ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2016c5b36783SSteven J. Hill 20177fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 20187fd08ca5SLeonid Yegoshin bool 20199ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20207fd08ca5SLeonid Yegoshin 20217cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20227cf8053bSRalf Baechle bool 20237cf8053bSRalf Baechle 20247cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20257cf8053bSRalf Baechle bool 20267cf8053bSRalf Baechle 20277fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20287fd08ca5SLeonid Yegoshin bool 20299ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20307fd08ca5SLeonid Yegoshin 2031281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 2032281e3aeaSSerge Semin bool 2033281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 2034281e3aeaSSerge Semin 20357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20367cf8053bSRalf Baechle bool 20377cf8053bSRalf Baechle 20387cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20397cf8053bSRalf Baechle bool 20407cf8053bSRalf Baechle 20417cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20427cf8053bSRalf Baechle bool 20437cf8053bSRalf Baechle 204465ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 204565ce6197SLauri Kasanen bool 204665ce6197SLauri Kasanen 20477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20487cf8053bSRalf Baechle bool 20497cf8053bSRalf Baechle 20507cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20517cf8053bSRalf Baechle bool 20527cf8053bSRalf Baechle 20537cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20547cf8053bSRalf Baechle bool 20557cf8053bSRalf Baechle 2056542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2057542c1020SShinya Kuribayashi bool 2058542c1020SShinya Kuribayashi 20597cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20607cf8053bSRalf Baechle bool 20617cf8053bSRalf Baechle 20627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20637cf8053bSRalf Baechle bool 20649ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20657cf8053bSRalf Baechle 20667cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20677cf8053bSRalf Baechle bool 20687cf8053bSRalf Baechle 20697cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20707cf8053bSRalf Baechle bool 20717cf8053bSRalf Baechle 20725e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20735e683389SDavid Daney bool 20745e683389SDavid Daney 2075cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2076c1c0c461SKevin Cernekee bool 2077c1c0c461SKevin Cernekee 2078fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2079c1c0c461SKevin Cernekee bool 2080cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2081c1c0c461SKevin Cernekee 2082c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2083c1c0c461SKevin Cernekee bool 2084cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2085c1c0c461SKevin Cernekee 2086c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2087c1c0c461SKevin Cernekee bool 2088cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2089c1c0c461SKevin Cernekee 2090c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2091c1c0c461SKevin Cernekee bool 2092cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2093f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2094c1c0c461SKevin Cernekee 20957f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20967f058e85SJayachandran C bool 20977f058e85SJayachandran C 20981c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20991c773ea4SJayachandran C bool 21001c773ea4SJayachandran C 210117099b11SRalf Baechle# 210217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 210317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 210417099b11SRalf Baechle# 21050004a9dfSRalf Baechleconfig WEAK_ORDERING 21060004a9dfSRalf Baechle bool 210717099b11SRalf Baechle 210817099b11SRalf Baechle# 210917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 211017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 211117099b11SRalf Baechle# 211217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 211317099b11SRalf Baechle bool 21145e83d430SRalf Baechleendmenu 21155e83d430SRalf Baechle 21165e83d430SRalf Baechle# 21175e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 21185e83d430SRalf Baechle# 21195e83d430SRalf Baechleconfig CPU_MIPS32 21205e83d430SRalf Baechle bool 2121ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 2122281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 21235e83d430SRalf Baechle 21245e83d430SRalf Baechleconfig CPU_MIPS64 21255e83d430SRalf Baechle bool 2126ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 21275a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 21285e83d430SRalf Baechle 21295e83d430SRalf Baechle# 213057eeacedSPaul Burton# These indicate the revision of the architecture 21315e83d430SRalf Baechle# 21325e83d430SRalf Baechleconfig CPU_MIPSR1 21335e83d430SRalf Baechle bool 21345e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21355e83d430SRalf Baechle 21365e83d430SRalf Baechleconfig CPU_MIPSR2 21375e83d430SRalf Baechle bool 2138a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21398256b17eSFlorian Fainelli select CPU_HAS_RIXI 2140ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2141a7e07b1aSMarkos Chandras select MIPS_SPRAM 21425e83d430SRalf Baechle 2143ab7c01fdSSerge Seminconfig CPU_MIPSR5 2144ab7c01fdSSerge Semin bool 2145281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2146ab7c01fdSSerge Semin select CPU_HAS_RIXI 2147ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2148ab7c01fdSSerge Semin select MIPS_SPRAM 2149ab7c01fdSSerge Semin 21507fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21517fd08ca5SLeonid Yegoshin bool 21527fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21538256b17eSFlorian Fainelli select CPU_HAS_RIXI 2154ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 215587321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21562db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21574a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2158a7e07b1aSMarkos Chandras select MIPS_SPRAM 21595e83d430SRalf Baechle 216057eeacedSPaul Burtonconfig TARGET_ISA_REV 216157eeacedSPaul Burton int 216257eeacedSPaul Burton default 1 if CPU_MIPSR1 216357eeacedSPaul Burton default 2 if CPU_MIPSR2 2164ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 216557eeacedSPaul Burton default 6 if CPU_MIPSR6 216657eeacedSPaul Burton default 0 216757eeacedSPaul Burton help 216857eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 216957eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 217057eeacedSPaul Burton 2171a6e18781SLeonid Yegoshinconfig EVA 2172a6e18781SLeonid Yegoshin bool 2173a6e18781SLeonid Yegoshin 2174c5b36783SSteven J. Hillconfig XPA 2175c5b36783SSteven J. Hill bool 2176c5b36783SSteven J. Hill 21775e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21785e83d430SRalf Baechle bool 21795e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21805e83d430SRalf Baechle bool 21815e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21825e83d430SRalf Baechle bool 21835e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21845e83d430SRalf Baechle bool 218555045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 218655045ff5SWu Zhangjin bool 218755045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 218855045ff5SWu Zhangjin bool 21899cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21909cffd154SDavid Daney bool 2191171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 219282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 219382622284SDavid Daney bool 2194c6972fb9SHuang Pei depends on 64BIT 2195c6972fb9SHuang Pei default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21965e83d430SRalf Baechle 21978192c9eaSDavid Daney# 21988192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21998192c9eaSDavid Daney# 22008192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 22018192c9eaSDavid Daney bool 2202679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 22038192c9eaSDavid Daney 22045e83d430SRalf Baechlemenu "Kernel type" 22055e83d430SRalf Baechle 22065e83d430SRalf Baechlechoice 22075e83d430SRalf Baechle prompt "Kernel code model" 22085e83d430SRalf Baechle help 22095e83d430SRalf Baechle You should only select this option if you have a workload that 22105e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 22115e83d430SRalf Baechle large memory. You will only be presented a single option in this 22125e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 22135e83d430SRalf Baechle 22145e83d430SRalf Baechleconfig 32BIT 22155e83d430SRalf Baechle bool "32-bit kernel" 22165e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 22175e83d430SRalf Baechle select TRAD_SIGNALS 22185e83d430SRalf Baechle help 22195e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2220f17c4ca3SRalf Baechle 22215e83d430SRalf Baechleconfig 64BIT 22225e83d430SRalf Baechle bool "64-bit kernel" 22235e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 22245e83d430SRalf Baechle help 22255e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 22265e83d430SRalf Baechle 22275e83d430SRalf Baechleendchoice 22285e83d430SRalf Baechle 22291e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22301e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22311e321fa9SLeonid Yegoshin depends on 64BIT 22321e321fa9SLeonid Yegoshin help 22333377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22343377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22353377e227SAlex Belits For page sizes 16k and above, this option results in a small 22363377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22373377e227SAlex Belits level of page tables is added which imposes both a memory 22383377e227SAlex Belits overhead as well as slower TLB fault handling. 22393377e227SAlex Belits 22401e321fa9SLeonid Yegoshin If unsure, say N. 22411e321fa9SLeonid Yegoshin 22421da177e4SLinus Torvaldschoice 22431da177e4SLinus Torvalds prompt "Kernel page size" 22441da177e4SLinus Torvalds default PAGE_SIZE_4KB 22451da177e4SLinus Torvalds 22461da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22471da177e4SLinus Torvalds bool "4kB" 2248268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22491da177e4SLinus Torvalds help 22501da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22511da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22521da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22531da177e4SLinus Torvalds recommended for low memory systems. 22541da177e4SLinus Torvalds 22551da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22561da177e4SLinus Torvalds bool "8kB" 2257c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22581e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22591da177e4SLinus Torvalds help 22601da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22611da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2262c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2263c2aeaaeaSPaul Burton distribution to support this. 22641da177e4SLinus Torvalds 22651da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22661da177e4SLinus Torvalds bool "16kB" 2267714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22681da177e4SLinus Torvalds help 22691da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22701da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2271714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2272714bfad6SRalf Baechle Linux distribution to support this. 22731da177e4SLinus Torvalds 2274c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2275c52399beSRalf Baechle bool "32kB" 2276c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22771e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2278c52399beSRalf Baechle help 2279c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2280c52399beSRalf Baechle the price of higher memory consumption. This option is available 2281c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2282c52399beSRalf Baechle distribution to support this. 2283c52399beSRalf Baechle 22841da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22851da177e4SLinus Torvalds bool "64kB" 22863b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22871da177e4SLinus Torvalds help 22881da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22891da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22901da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2291714bfad6SRalf Baechle writing this option is still high experimental. 22921da177e4SLinus Torvalds 22931da177e4SLinus Torvaldsendchoice 22941da177e4SLinus Torvalds 2295c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2296c9bace7cSDavid Daney int "Maximum zone order" 2297e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2298e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2299e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2300e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2301e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2302e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2303ef923a76SPaul Cercueil range 0 64 2304c9bace7cSDavid Daney default "11" 2305c9bace7cSDavid Daney help 2306c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2307c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2308c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2309c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2310c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2311c9bace7cSDavid Daney increase this value. 2312c9bace7cSDavid Daney 2313c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2314c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2315c9bace7cSDavid Daney 2316c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2317c9bace7cSDavid Daney when choosing a value for this option. 2318c9bace7cSDavid Daney 23191da177e4SLinus Torvaldsconfig BOARD_SCACHE 23201da177e4SLinus Torvalds bool 23211da177e4SLinus Torvalds 23221da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23231da177e4SLinus Torvalds bool 23241da177e4SLinus Torvalds select BOARD_SCACHE 23251da177e4SLinus Torvalds 23269318c51aSChris Dearman# 23279318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23289318c51aSChris Dearman# 23299318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23309318c51aSChris Dearman bool 23319318c51aSChris Dearman select BOARD_SCACHE 23329318c51aSChris Dearman 23331da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23341da177e4SLinus Torvalds bool 23351da177e4SLinus Torvalds select BOARD_SCACHE 23361da177e4SLinus Torvalds 23371da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23381da177e4SLinus Torvalds bool 23391da177e4SLinus Torvalds select BOARD_SCACHE 23401da177e4SLinus Torvalds 23411da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23421da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23431da177e4SLinus Torvalds depends on CPU_SB1 23441da177e4SLinus Torvalds help 23451da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23461da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23471da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23481da177e4SLinus Torvalds 23491da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2350c8094b53SRalf Baechle bool 23511da177e4SLinus Torvalds 23523165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23533165c846SFlorian Fainelli bool 2354c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23553165c846SFlorian Fainelli 2356c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2357183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2358183b40f9SPaul Burton default y 2359183b40f9SPaul Burton help 2360183b40f9SPaul Burton Select y to include support for floating point in the kernel 2361183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2362183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2363183b40f9SPaul Burton userland program attempting to use floating point instructions will 2364183b40f9SPaul Burton receive a SIGILL. 2365183b40f9SPaul Burton 2366183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2367183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2368183b40f9SPaul Burton 2369183b40f9SPaul Burton If unsure, say y. 2370c92e47e5SPaul Burton 237197f7dcbfSPaul Burtonconfig CPU_R2300_FPU 237297f7dcbfSPaul Burton bool 2373c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 237497f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 237597f7dcbfSPaul Burton 237654746829SPaul Burtonconfig CPU_R3K_TLB 237754746829SPaul Burton bool 237854746829SPaul Burton 237991405eb6SFlorian Fainelliconfig CPU_R4K_FPU 238091405eb6SFlorian Fainelli bool 2381c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 238297f7dcbfSPaul Burton default y if !CPU_R2300_FPU 238391405eb6SFlorian Fainelli 238462cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 238562cedc4fSFlorian Fainelli bool 238654746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 238762cedc4fSFlorian Fainelli 238859d6ab86SRalf Baechleconfig MIPS_MT_SMP 2389a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23905cbf9688SPaul Burton default y 2391527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 239259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2393d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2394c080faa5SSteven J. Hill select SYNC_R4K 239559d6ab86SRalf Baechle select MIPS_MT 239659d6ab86SRalf Baechle select SMP 239787353d8aSRalf Baechle select SMP_UP 2398c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2399c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2400399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 240159d6ab86SRalf Baechle help 2402c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2403c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2404c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2405c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2406c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 240759d6ab86SRalf Baechle 2408f41ae0b2SRalf Baechleconfig MIPS_MT 2409f41ae0b2SRalf Baechle bool 2410f41ae0b2SRalf Baechle 24110ab7aefcSRalf Baechleconfig SCHED_SMT 24120ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 24130ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 24140ab7aefcSRalf Baechle default n 24150ab7aefcSRalf Baechle help 24160ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 24170ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 24180ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 24190ab7aefcSRalf Baechle 24200ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 24210ab7aefcSRalf Baechle bool 24220ab7aefcSRalf Baechle 2423f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2424f41ae0b2SRalf Baechle bool 2425f41ae0b2SRalf Baechle 2426f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2427f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2428f088fc84SRalf Baechle default y 2429b633648cSRalf Baechle depends on MIPS_MT_SMP 243007cc0c9eSRalf Baechle 2431b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2432b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24339eaa9a82SPaul Burton depends on CPU_MIPSR6 2434c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2435b0a668fbSLeonid Yegoshin default y 2436b0a668fbSLeonid Yegoshin help 2437b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2438b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 243907edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2440b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2441b0a668fbSLeonid Yegoshin final kernel image. 2442b0a668fbSLeonid Yegoshin 2443f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2444f35764e7SJames Hogan bool 2445f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2446f35764e7SJames Hogan help 2447f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2448f35764e7SJames Hogan physical_memsize. 2449f35764e7SJames Hogan 245007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 245107cc0c9eSRalf Baechle bool "VPE loader support." 2452f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 245307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 245407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 245507cc0c9eSRalf Baechle select MIPS_MT 245607cc0c9eSRalf Baechle help 245707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 245807cc0c9eSRalf Baechle onto another VPE and running it. 2459f088fc84SRalf Baechle 246017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 246117a1d523SDeng-Cheng Zhu bool 246217a1d523SDeng-Cheng Zhu default "y" 246317a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 246417a1d523SDeng-Cheng Zhu 24651a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24661a2a6d7eSDeng-Cheng Zhu bool 24671a2a6d7eSDeng-Cheng Zhu default "y" 24681a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24691a2a6d7eSDeng-Cheng Zhu 2470e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2471e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2472e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2473e01402b1SRalf Baechle default y 2474e01402b1SRalf Baechle help 2475e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2476e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2477e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2478e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2479e01402b1SRalf Baechle 2480e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2481e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2482e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2483e01402b1SRalf Baechle 2484da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2485da615cf6SDeng-Cheng Zhu bool 2486da615cf6SDeng-Cheng Zhu default "y" 2487da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2488da615cf6SDeng-Cheng Zhu 24892c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24902c973ef0SDeng-Cheng Zhu bool 24912c973ef0SDeng-Cheng Zhu default "y" 24922c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24932c973ef0SDeng-Cheng Zhu 24944a16ff4cSRalf Baechleconfig MIPS_CMP 24955cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24965676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2497b10b43baSMarkos Chandras select SMP 2498eb9b5141STim Anderson select SYNC_R4K 2499b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 25004a16ff4cSRalf Baechle select WEAK_ORDERING 25014a16ff4cSRalf Baechle default n 25024a16ff4cSRalf Baechle help 2503044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2504044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2505044505c7SPaul Burton its ability to start secondary CPUs. 25064a16ff4cSRalf Baechle 25075cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 25085cac93b3SPaul Burton instead of this. 25095cac93b3SPaul Burton 25100ee958e1SPaul Burtonconfig MIPS_CPS 25110ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 25125a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 25130ee958e1SPaul Burton select MIPS_CM 25141d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 25150ee958e1SPaul Burton select SMP 25160ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 25171d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2518c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 25190ee958e1SPaul Burton select SYS_SUPPORTS_SMP 25200ee958e1SPaul Burton select WEAK_ORDERING 2521d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 25220ee958e1SPaul Burton help 25230ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25240ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25250ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25260ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25270ee958e1SPaul Burton support is unavailable. 25280ee958e1SPaul Burton 25293179d37eSPaul Burtonconfig MIPS_CPS_PM 253039a59593SMarkos Chandras depends on MIPS_CPS 25313179d37eSPaul Burton bool 25323179d37eSPaul Burton 25339f98f3ddSPaul Burtonconfig MIPS_CM 25349f98f3ddSPaul Burton bool 25353c9b4166SPaul Burton select MIPS_CPC 25369f98f3ddSPaul Burton 25379c38cf44SPaul Burtonconfig MIPS_CPC 25389c38cf44SPaul Burton bool 25392600990eSRalf Baechle 25401da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25411da177e4SLinus Torvalds bool 25421da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25431da177e4SLinus Torvalds default y 25441da177e4SLinus Torvalds 25451da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25461da177e4SLinus Torvalds bool 25471da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25481da177e4SLinus Torvalds default y 25491da177e4SLinus Torvalds 25509e2b5372SMarkos Chandraschoice 25519e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25529e2b5372SMarkos Chandras 25539e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25549e2b5372SMarkos Chandras bool "None" 25559e2b5372SMarkos Chandras help 25569e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25579e2b5372SMarkos Chandras 25589693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25599693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25609e2b5372SMarkos Chandras bool "SmartMIPS" 25619693a853SFranck Bui-Huu help 25629693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25639693a853SFranck Bui-Huu increased security at both hardware and software level for 25649693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25659693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25669693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25679693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25689693a853SFranck Bui-Huu here. 25699693a853SFranck Bui-Huu 2570bce86083SSteven J. Hillconfig CPU_MICROMIPS 25717fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25729e2b5372SMarkos Chandras bool "microMIPS" 2573bce86083SSteven J. Hill help 2574bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2575bce86083SSteven J. Hill microMIPS ISA 2576bce86083SSteven J. Hill 25779e2b5372SMarkos Chandrasendchoice 25789e2b5372SMarkos Chandras 2579a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25800ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2581a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2582c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25832a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2584a5e9a69eSPaul Burton help 2585a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2586a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25871db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25881db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25891db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25901db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25911db1af84SPaul Burton the size & complexity of your kernel. 2592a5e9a69eSPaul Burton 2593a5e9a69eSPaul Burton If unsure, say Y. 2594a5e9a69eSPaul Burton 25951da177e4SLinus Torvaldsconfig CPU_HAS_WB 2596f7062ddbSRalf Baechle bool 2597e01402b1SRalf Baechle 2598df0ac8a4SKevin Cernekeeconfig XKS01 2599df0ac8a4SKevin Cernekee bool 2600df0ac8a4SKevin Cernekee 2601ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2602ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2603ba9196d2SJiaxun Yang bool 2604ba9196d2SJiaxun Yang 2605ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2606ba9196d2SJiaxun Yang bool 2607ba9196d2SJiaxun Yang 26088256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 26098256b17eSFlorian Fainelli bool 26108256b17eSFlorian Fainelli 261118d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2612932afdeeSYasha Cherikovsky bool 2613932afdeeSYasha Cherikovsky help 261418d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2615932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 261618d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 261718d84e2eSAlexander Lobakin systems). 2618932afdeeSYasha Cherikovsky 2619f41ae0b2SRalf Baechle# 2620f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2621f41ae0b2SRalf Baechle# 2622e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2623f41ae0b2SRalf Baechle bool 2624e01402b1SRalf Baechle 2625f41ae0b2SRalf Baechle# 2626f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2627f41ae0b2SRalf Baechle# 2628e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2629f41ae0b2SRalf Baechle bool 2630e01402b1SRalf Baechle 26311da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26321da177e4SLinus Torvalds bool 26331da177e4SLinus Torvalds depends on !CPU_R3000 26341da177e4SLinus Torvalds default y 26351da177e4SLinus Torvalds 26361da177e4SLinus Torvalds# 263720d60d99SMaciej W. Rozycki# CPU non-features 263820d60d99SMaciej W. Rozycki# 263920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 264020d60d99SMaciej W. Rozycki bool 264120d60d99SMaciej W. Rozycki 264220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 264320d60d99SMaciej W. Rozycki bool 264420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 264520d60d99SMaciej W. Rozycki 264620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 264720d60d99SMaciej W. Rozycki bool 264820d60d99SMaciej W. Rozycki 2649071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2650071d2f0bSPaul Burton bool 2651071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2652071d2f0bSPaul Burton 26534edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26544edf00a4SPaul Burton int 26554edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26564edf00a4SPaul Burton default 0 26574edf00a4SPaul Burton 26584edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26594edf00a4SPaul Burton int 26602db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26614edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26624edf00a4SPaul Burton default 8 26634edf00a4SPaul Burton 26642db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26652db003a5SPaul Burton bool 26662db003a5SPaul Burton 26674a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26684a5dc51eSMarcin Nowakowski bool 26694a5dc51eSMarcin Nowakowski 2670802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2671802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2672802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2673802b8362SThomas Bogendoerfer# with the issue. 2674802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2675802b8362SThomas Bogendoerfer bool 2676802b8362SThomas Bogendoerfer 26775e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 26785e5b6527SThomas Bogendoerfer# 26795e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 26805e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 26815e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 268218ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 26835e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 26845e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 26855e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 26865e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 26875e5b6527SThomas Bogendoerfer# instruction. 26885e5b6527SThomas Bogendoerfer# 26895e5b6527SThomas Bogendoerfer# This is not allowed: lw 26905e5b6527SThomas Bogendoerfer# nop 26915e5b6527SThomas Bogendoerfer# nop 26925e5b6527SThomas Bogendoerfer# nop 26935e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 26945e5b6527SThomas Bogendoerfer# 26955e5b6527SThomas Bogendoerfer# This is allowed: lw 26965e5b6527SThomas Bogendoerfer# nop 26975e5b6527SThomas Bogendoerfer# nop 26985e5b6527SThomas Bogendoerfer# nop 26995e5b6527SThomas Bogendoerfer# nop 27005e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 27015e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 27025e5b6527SThomas Bogendoerfer bool 27035e5b6527SThomas Bogendoerfer 270444def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 270544def342SThomas Bogendoerfer# 270644def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 270744def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 270844def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 270944def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 271044def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 271144def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 271244def342SThomas Bogendoerfer# in .pdf format.) 271344def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 271444def342SThomas Bogendoerfer bool 271544def342SThomas Bogendoerfer 271624a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 271724a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 271824a1c023SThomas Bogendoerfer# operation is not guaranteed." 271924a1c023SThomas Bogendoerfer# 272024a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 272124a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 272224a1c023SThomas Bogendoerfer bool 272324a1c023SThomas Bogendoerfer 2724886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2725886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2726886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2727886ee136SThomas Bogendoerfer# exceptions. 2728886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2729886ee136SThomas Bogendoerfer bool 2730886ee136SThomas Bogendoerfer 2731256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2732256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2733256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2734256ec489SThomas Bogendoerfer bool 2735256ec489SThomas Bogendoerfer 2736a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2737a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2738a7fbed98SThomas Bogendoerfer bool 2739a7fbed98SThomas Bogendoerfer 274020d60d99SMaciej W. Rozycki# 27411da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 27421da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 27431da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 27441da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 27451da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 27461da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 27471da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 27481da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2749797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2750797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2751797798c1SRalf Baechle# support. 27521da177e4SLinus Torvalds# 27531da177e4SLinus Torvaldsconfig HIGHMEM 27541da177e4SLinus Torvalds bool "High Memory Support" 2755a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2756a4c33e83SThomas Gleixner select KMAP_LOCAL 2757797798c1SRalf Baechle 2758797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2759797798c1SRalf Baechle bool 2760797798c1SRalf Baechle 2761797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2762797798c1SRalf Baechle bool 27631da177e4SLinus Torvalds 27649693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 27659693a853SFranck Bui-Huu bool 27669693a853SFranck Bui-Huu 2767a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2768a6a4834cSSteven J. Hill bool 2769a6a4834cSSteven J. Hill 2770377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2771377cb1b6SRalf Baechle bool 2772377cb1b6SRalf Baechle help 2773377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2774377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2775377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2776377cb1b6SRalf Baechle 2777a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2778a5e9a69eSPaul Burton bool 2779a5e9a69eSPaul Burton 2780b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2781b4819b59SYoichi Yuasa def_bool y 2782268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2783b4819b59SYoichi Yuasa 2784b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2785b1c6cd42SAtsushi Nemoto bool 2786397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 278731473747SAtsushi Nemoto 2788d8cb4e11SRalf Baechleconfig NUMA 2789d8cb4e11SRalf Baechle bool "NUMA Support" 2790d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2791cf8194e4STiezhu Yang select SMP 2792d8cb4e11SRalf Baechle help 2793d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2794d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2795d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2796172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2797d8cb4e11SRalf Baechle disabled. 2798d8cb4e11SRalf Baechle 2799d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2800d8cb4e11SRalf Baechle bool 2801d8cb4e11SRalf Baechle 2802f3c560a6SThomas Bogendoerferconfig HAVE_SETUP_PER_CPU_AREA 2803f3c560a6SThomas Bogendoerfer def_bool y 2804f3c560a6SThomas Bogendoerfer depends on NUMA 2805f3c560a6SThomas Bogendoerfer 2806f3c560a6SThomas Bogendoerferconfig NEED_PER_CPU_EMBED_FIRST_CHUNK 2807f3c560a6SThomas Bogendoerfer def_bool y 2808f3c560a6SThomas Bogendoerfer depends on NUMA 2809f3c560a6SThomas Bogendoerfer 28108c530ea3SMatt Redfearnconfig RELOCATABLE 28118c530ea3SMatt Redfearn bool "Relocatable kernel" 2812ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2813ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2814ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2815ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2816a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2817a307a4ceSJinyang He CPU_LOONGSON64 28188c530ea3SMatt Redfearn help 28198c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 28208c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 28218c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 28228c530ea3SMatt Redfearn but are discarded at runtime 28238c530ea3SMatt Redfearn 2824069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2825069fd766SMatt Redfearn hex "Relocation table size" 2826069fd766SMatt Redfearn depends on RELOCATABLE 2827069fd766SMatt Redfearn range 0x0 0x01000000 2828a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2829069fd766SMatt Redfearn default "0x00100000" 2830a7f7f624SMasahiro Yamada help 2831069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2832069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2833069fd766SMatt Redfearn 2834069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2835069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2836069fd766SMatt Redfearn 2837069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2838069fd766SMatt Redfearn 2839069fd766SMatt Redfearn If unsure, leave at the default value. 2840069fd766SMatt Redfearn 2841405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2842405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2843405bc8fdSMatt Redfearn depends on RELOCATABLE 2844a7f7f624SMasahiro Yamada help 2845405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2846405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2847405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2848405bc8fdSMatt Redfearn of kernel internals. 2849405bc8fdSMatt Redfearn 2850405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2851405bc8fdSMatt Redfearn 2852405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2853405bc8fdSMatt Redfearn 2854405bc8fdSMatt Redfearn If unsure, say N. 2855405bc8fdSMatt Redfearn 2856405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2857405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2858405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2859405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2860405bc8fdSMatt Redfearn range 0x0 0x08000000 2861405bc8fdSMatt Redfearn default "0x01000000" 2862a7f7f624SMasahiro Yamada help 2863405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2864405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2865405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2866405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2867405bc8fdSMatt Redfearn 2868405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2869405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2870405bc8fdSMatt Redfearn 2871c80d79d7SYasunori Gotoconfig NODES_SHIFT 2872c80d79d7SYasunori Goto int 2873c80d79d7SYasunori Goto default "6" 2874c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2875c80d79d7SYasunori Goto 287614f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 287714f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2878e2589589SViresh Kumar depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 287914f70012SDeng-Cheng Zhu default y 288014f70012SDeng-Cheng Zhu help 288114f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 288214f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 288314f70012SDeng-Cheng Zhu 2884be8fa1cbSTiezhu Yangconfig DMI 2885be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2886be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2887be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2888be8fa1cbSTiezhu Yang default y 2889be8fa1cbSTiezhu Yang help 2890be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2891be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2892be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2893be8fa1cbSTiezhu Yang BIOS code. 2894be8fa1cbSTiezhu Yang 28951da177e4SLinus Torvaldsconfig SMP 28961da177e4SLinus Torvalds bool "Multi-Processing support" 2897e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2898e73ea273SRalf Baechle help 28991da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 29004a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 29014a474157SRobert Graffham than one CPU, say Y. 29021da177e4SLinus Torvalds 29034a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 29041da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 29051da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 29064a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 29071da177e4SLinus Torvalds will run faster if you say N here. 29081da177e4SLinus Torvalds 29091da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 29101da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 29111da177e4SLinus Torvalds 291203502faaSAdrian Bunk See also the SMP-HOWTO available at 2913ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 29141da177e4SLinus Torvalds 29151da177e4SLinus Torvalds If you don't know what to do here, say N. 29161da177e4SLinus Torvalds 29177840d618SMatt Redfearnconfig HOTPLUG_CPU 29187840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 29197840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 29207840d618SMatt Redfearn help 29217840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 29227840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 29237840d618SMatt Redfearn (Note: power management support will enable this option 29247840d618SMatt Redfearn automatically on SMP systems. ) 29257840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 29267840d618SMatt Redfearn 292787353d8aSRalf Baechleconfig SMP_UP 292887353d8aSRalf Baechle bool 292987353d8aSRalf Baechle 29304a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 29314a16ff4cSRalf Baechle bool 29324a16ff4cSRalf Baechle 29330ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 29340ee958e1SPaul Burton bool 29350ee958e1SPaul Burton 2936e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2937e73ea273SRalf Baechle bool 2938e73ea273SRalf Baechle 2939130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2940130e2fb7SRalf Baechle bool 2941130e2fb7SRalf Baechle 2942130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2943130e2fb7SRalf Baechle bool 2944130e2fb7SRalf Baechle 2945130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2946130e2fb7SRalf Baechle bool 2947130e2fb7SRalf Baechle 2948130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2949130e2fb7SRalf Baechle bool 2950130e2fb7SRalf Baechle 2951130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2952130e2fb7SRalf Baechle bool 2953130e2fb7SRalf Baechle 29541da177e4SLinus Torvaldsconfig NR_CPUS 2955a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2956a91796a9SJayachandran C range 2 256 29571da177e4SLinus Torvalds depends on SMP 2958130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2959130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2960130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2961130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2962130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 29631da177e4SLinus Torvalds help 29641da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 29651da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 29661da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 296772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 296872ede9b1SAtsushi Nemoto and 2 for all others. 29691da177e4SLinus Torvalds 29701da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 297172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 297272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 297372ede9b1SAtsushi Nemoto power of two. 29741da177e4SLinus Torvalds 2975399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2976399aaa25SAl Cooper bool 2977399aaa25SAl Cooper 29787820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 29797820b84bSDavid Daney bool 29807820b84bSDavid Daney 29817820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 29827820b84bSDavid Daney int 29837820b84bSDavid Daney depends on SMP 29847820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 29857820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 29867820b84bSDavid Daney 29871723b4a3SAtsushi Nemoto# 29881723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 29891723b4a3SAtsushi Nemoto# 29901723b4a3SAtsushi Nemoto 29911723b4a3SAtsushi Nemotochoice 29921723b4a3SAtsushi Nemoto prompt "Timer frequency" 29931723b4a3SAtsushi Nemoto default HZ_250 29941723b4a3SAtsushi Nemoto help 29951723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 29961723b4a3SAtsushi Nemoto 299767596573SPaul Burton config HZ_24 299867596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 299967596573SPaul Burton 30001723b4a3SAtsushi Nemoto config HZ_48 30010f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 30021723b4a3SAtsushi Nemoto 30031723b4a3SAtsushi Nemoto config HZ_100 30041723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 30051723b4a3SAtsushi Nemoto 30061723b4a3SAtsushi Nemoto config HZ_128 30071723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 30081723b4a3SAtsushi Nemoto 30091723b4a3SAtsushi Nemoto config HZ_250 30101723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 30111723b4a3SAtsushi Nemoto 30121723b4a3SAtsushi Nemoto config HZ_256 30131723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 30141723b4a3SAtsushi Nemoto 30151723b4a3SAtsushi Nemoto config HZ_1000 30161723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 30171723b4a3SAtsushi Nemoto 30181723b4a3SAtsushi Nemoto config HZ_1024 30191723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 30201723b4a3SAtsushi Nemoto 30211723b4a3SAtsushi Nemotoendchoice 30221723b4a3SAtsushi Nemoto 302367596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 302467596573SPaul Burton bool 302567596573SPaul Burton 30261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 30271723b4a3SAtsushi Nemoto bool 30281723b4a3SAtsushi Nemoto 30291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 30301723b4a3SAtsushi Nemoto bool 30311723b4a3SAtsushi Nemoto 30321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 30331723b4a3SAtsushi Nemoto bool 30341723b4a3SAtsushi Nemoto 30351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 30361723b4a3SAtsushi Nemoto bool 30371723b4a3SAtsushi Nemoto 30381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 30391723b4a3SAtsushi Nemoto bool 30401723b4a3SAtsushi Nemoto 30411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 30421723b4a3SAtsushi Nemoto bool 30431723b4a3SAtsushi Nemoto 30441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 30451723b4a3SAtsushi Nemoto bool 30461723b4a3SAtsushi Nemoto 30471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 30481723b4a3SAtsushi Nemoto bool 304967596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 305067596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 305167596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 305267596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 305367596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 305467596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 305567596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 30561723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 30571723b4a3SAtsushi Nemoto 30581723b4a3SAtsushi Nemotoconfig HZ 30591723b4a3SAtsushi Nemoto int 306067596573SPaul Burton default 24 if HZ_24 30611723b4a3SAtsushi Nemoto default 48 if HZ_48 30621723b4a3SAtsushi Nemoto default 100 if HZ_100 30631723b4a3SAtsushi Nemoto default 128 if HZ_128 30641723b4a3SAtsushi Nemoto default 250 if HZ_250 30651723b4a3SAtsushi Nemoto default 256 if HZ_256 30661723b4a3SAtsushi Nemoto default 1000 if HZ_1000 30671723b4a3SAtsushi Nemoto default 1024 if HZ_1024 30681723b4a3SAtsushi Nemoto 306996685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 307096685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 307196685b17SDeng-Cheng Zhu 3072ea6e942bSAtsushi Nemotoconfig KEXEC 30737d60717eSKees Cook bool "Kexec system call" 30742965faa5SDave Young select KEXEC_CORE 3075ea6e942bSAtsushi Nemoto help 3076ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 3077ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 30783dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 3079ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 3080ea6e942bSAtsushi Nemoto 308101dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 3082ea6e942bSAtsushi Nemoto 3083ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 3084ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 3085bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 3086bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 3087bf220695SGeert Uytterhoeven made. 3088ea6e942bSAtsushi Nemoto 30897aa1c8f4SRalf Baechleconfig CRASH_DUMP 30907aa1c8f4SRalf Baechle bool "Kernel crash dumps" 30917aa1c8f4SRalf Baechle help 30927aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 30937aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 30947aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 30957aa1c8f4SRalf Baechle a specially reserved region and then later executed after 30967aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 30977aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 30987aa1c8f4SRalf Baechle PHYSICAL_START. 30997aa1c8f4SRalf Baechle 31007aa1c8f4SRalf Baechleconfig PHYSICAL_START 31017aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 31028bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 31037aa1c8f4SRalf Baechle depends on CRASH_DUMP 31047aa1c8f4SRalf Baechle help 31057aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 31067aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 31077aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 31087aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 31097aa1c8f4SRalf Baechle passed to the panic-ed kernel). 31107aa1c8f4SRalf Baechle 3111597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3112b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3113597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3114597ce172SPaul Burton help 3115597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3116597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3117597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3118597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3119597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3120597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3121597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3122597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3123597ce172SPaul Burton saying N here. 3124597ce172SPaul Burton 312506e2e882SPaul Burton Although binutils currently supports use of this flag the details 312606e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 312718ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 312806e2e882SPaul Burton behaviour before the details have been finalised, this option should 312906e2e882SPaul Burton be considered experimental and only enabled by those working upon 313006e2e882SPaul Burton said details. 313106e2e882SPaul Burton 313206e2e882SPaul Burton If unsure, say N. 3133597ce172SPaul Burton 3134f2ffa5abSDezhong Diaoconfig USE_OF 31350b3e06fdSJonas Gorski bool 3136f2ffa5abSDezhong Diao select OF 3137e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3138abd2363fSGrant Likely select IRQ_DOMAIN 3139f2ffa5abSDezhong Diao 31402fe8ea39SDengcheng Zhuconfig UHI_BOOT 31412fe8ea39SDengcheng Zhu bool 31422fe8ea39SDengcheng Zhu 31437fafb068SAndrew Brestickerconfig BUILTIN_DTB 31447fafb068SAndrew Bresticker bool 31457fafb068SAndrew Bresticker 31461da8f179SJonas Gorskichoice 31475b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 31481da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 31491da8f179SJonas Gorski 31501da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 31511da8f179SJonas Gorski bool "None" 31521da8f179SJonas Gorski help 31531da8f179SJonas Gorski Do not enable appended dtb support. 31541da8f179SJonas Gorski 315587db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 315687db537dSAaro Koskinen bool "vmlinux" 315787db537dSAaro Koskinen help 315887db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 315987db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 316087db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 316187db537dSAaro Koskinen objcopy: 316287db537dSAaro Koskinen 316387db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 316487db537dSAaro Koskinen 316518ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 316687db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 316787db537dSAaro Koskinen the documented boot protocol using a device tree. 316887db537dSAaro Koskinen 31691da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3170b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 31711da8f179SJonas Gorski help 31721da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3173b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 31741da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 31751da8f179SJonas Gorski 31761da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 31771da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 31781da8f179SJonas Gorski the documented boot protocol using a device tree. 31791da8f179SJonas Gorski 31801da8f179SJonas Gorski Beware that there is very little in terms of protection against 31811da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 31821da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 31831da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 31841da8f179SJonas Gorski if you don't intend to always append a DTB. 31851da8f179SJonas Gorskiendchoice 31861da8f179SJonas Gorski 31872024972eSJonas Gorskichoice 31882024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 31892bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 319087fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 31912bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 31922024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 31932024972eSJonas Gorski 31942024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 31952024972eSJonas Gorski depends on USE_OF 31962024972eSJonas Gorski bool "Dtb kernel arguments if available" 31972024972eSJonas Gorski 31982024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 31992024972eSJonas Gorski depends on USE_OF 32002024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 32012024972eSJonas Gorski 32022024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 32032024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3204ed47e153SRabin Vincent 3205ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3206ed47e153SRabin Vincent depends on CMDLINE_BOOL 3207ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 32082024972eSJonas Gorskiendchoice 32092024972eSJonas Gorski 32105e83d430SRalf Baechleendmenu 32115e83d430SRalf Baechle 32121df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 32131df0f0ffSAtsushi Nemoto bool 32141df0f0ffSAtsushi Nemoto default y 32151df0f0ffSAtsushi Nemoto 32161df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 32171df0f0ffSAtsushi Nemoto bool 32181df0f0ffSAtsushi Nemoto default y 32191df0f0ffSAtsushi Nemoto 3220a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3221a728ab52SKirill A. Shutemov int 32223377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3223a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3224a728ab52SKirill A. Shutemov default 2 3225a728ab52SKirill A. Shutemov 32266c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 32276c359eb1SPaul Burton bool 32286c359eb1SPaul Burton 32291da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 32301da177e4SLinus Torvalds 3231c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 32322eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3233c5611df9SPaul Burton bool 3234c5611df9SPaul Burton 3235c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3236c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3237c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 32382eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 32391da177e4SLinus Torvalds 32401da177e4SLinus Torvalds# 32411da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 32421da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 32431da177e4SLinus Torvalds# users to choose the right thing ... 32441da177e4SLinus Torvalds# 32451da177e4SLinus Torvaldsconfig ISA 32461da177e4SLinus Torvalds bool 32471da177e4SLinus Torvalds 32481da177e4SLinus Torvaldsconfig TC 32491da177e4SLinus Torvalds bool "TURBOchannel support" 32501da177e4SLinus Torvalds depends on MACH_DECSTATION 32511da177e4SLinus Torvalds help 325250a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 325350a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 325450a23e6eSJustin P. Mattock at: 325550a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 325650a23e6eSJustin P. Mattock and: 325750a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 325850a23e6eSJustin P. Mattock Linux driver support status is documented at: 325950a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 32601da177e4SLinus Torvalds 32611da177e4SLinus Torvaldsconfig MMU 32621da177e4SLinus Torvalds bool 32631da177e4SLinus Torvalds default y 32641da177e4SLinus Torvalds 3265109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3266109c32ffSMatt Redfearn default 12 if 64BIT 3267109c32ffSMatt Redfearn default 8 3268109c32ffSMatt Redfearn 3269109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3270109c32ffSMatt Redfearn default 18 if 64BIT 3271109c32ffSMatt Redfearn default 15 3272109c32ffSMatt Redfearn 3273109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3274109c32ffSMatt Redfearn default 8 3275109c32ffSMatt Redfearn 3276109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3277109c32ffSMatt Redfearn default 15 3278109c32ffSMatt Redfearn 3279d865bea4SRalf Baechleconfig I8253 3280d865bea4SRalf Baechle bool 3281798778b8SRussell King select CLKSRC_I8253 32822d02612fSThomas Gleixner select CLKEVT_I8253 32839726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3284d865bea4SRalf Baechle 3285e05eb3f8SRalf Baechleconfig ZONE_DMA 3286e05eb3f8SRalf Baechle bool 3287e05eb3f8SRalf Baechle 3288cce335aeSRalf Baechleconfig ZONE_DMA32 3289cce335aeSRalf Baechle bool 3290cce335aeSRalf Baechle 32911da177e4SLinus Torvaldsendmenu 32921da177e4SLinus Torvalds 32931da177e4SLinus Torvaldsconfig TRAD_SIGNALS 32941da177e4SLinus Torvalds bool 32951da177e4SLinus Torvalds 32961da177e4SLinus Torvaldsconfig MIPS32_COMPAT 329778aaf956SRalf Baechle bool 32981da177e4SLinus Torvalds 32991da177e4SLinus Torvaldsconfig COMPAT 33001da177e4SLinus Torvalds bool 33011da177e4SLinus Torvalds 330205e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 330305e43966SAtsushi Nemoto bool 330405e43966SAtsushi Nemoto 33051da177e4SLinus Torvaldsconfig MIPS32_O32 33061da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 330778aaf956SRalf Baechle depends on 64BIT 330878aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 330978aaf956SRalf Baechle select COMPAT 331078aaf956SRalf Baechle select MIPS32_COMPAT 331178aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 33121da177e4SLinus Torvalds help 33131da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 33141da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 33151da177e4SLinus Torvalds existing binaries are in this format. 33161da177e4SLinus Torvalds 33171da177e4SLinus Torvalds If unsure, say Y. 33181da177e4SLinus Torvalds 33191da177e4SLinus Torvaldsconfig MIPS32_N32 33201da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3321c22eacfeSRalf Baechle depends on 64BIT 33225a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 332378aaf956SRalf Baechle select COMPAT 332478aaf956SRalf Baechle select MIPS32_COMPAT 332578aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 33261da177e4SLinus Torvalds help 33271da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 33281da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 33291da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 33301da177e4SLinus Torvalds cases. 33311da177e4SLinus Torvalds 33321da177e4SLinus Torvalds If unsure, say N. 33331da177e4SLinus Torvalds 33342116245eSRalf Baechlemenu "Power management options" 3335952fa954SRodolfo Giometti 3336363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3337363c55caSWu Zhangjin def_bool y 33383f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3339363c55caSWu Zhangjin 3340f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3341f4cb5700SJohannes Berg def_bool y 33423f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3343f4cb5700SJohannes Berg 33442116245eSRalf Baechlesource "kernel/power/Kconfig" 3345952fa954SRodolfo Giometti 33461da177e4SLinus Torvaldsendmenu 33471da177e4SLinus Torvalds 33487a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 33497a998935SViresh Kumar bool 33507a998935SViresh Kumar 33517a998935SViresh Kumarmenu "CPU Power Management" 3352c095ebafSPaul Burton 3353c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 33547a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 33557a998935SViresh Kumarendif 33569726b43aSWu Zhangjin 3357c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3358c095ebafSPaul Burton 3359c095ebafSPaul Burtonendmenu 3360c095ebafSPaul Burton 336198cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 336298cdee0eSRalf Baechle 33632235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3364e91946d6SNathan Chancellor 3365e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3366