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) 12e6226997SArnd Bergmann select ARCH_HAS_STRNCPY_FROM_USER 13e6226997SArnd Bergmann select ARCH_HAS_STRNLEN_USER 1412597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 151e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 168b3165e5SXingxing Su select ARCH_HAS_GCOV_PROFILE_ALL 17c55944ccSNick Desaulniers select ARCH_KEEP_MEMBLOCK 1812597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 191ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 2012597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 21dce44566SAnshuman Khandual select ARCH_USE_MEMTEST 2225da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 230b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 24855f9a8eSAnshuman Khandual select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES 259035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 2612597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 27d3a4e0f1SAlexander Lobakin select ARCH_WANT_LD_ORPHAN_WARN 2810916706SShile Zhang select BUILDTIME_TABLE_SORT 2912597988SMatt Redfearn select CLONE_BACKWARDS 3057eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 3112597988SMatt Redfearn select CPU_PM if CPU_IDLE 3212597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 3312597988SMatt Redfearn select GENERIC_CMOS_UPDATE 3412597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 3524640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 36b962aeb0SPaul Burton select GENERIC_IOMAP 3712597988SMatt Redfearn select GENERIC_IRQ_PROBE 3812597988SMatt Redfearn select GENERIC_IRQ_SHOW 396630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 40740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 41740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 42740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 43740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 44740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 4512597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 4612597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 4712597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 48446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 49906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 5012597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 5142b20995SArnd Bergmann select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT 52109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 53109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 54490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 55c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 5645e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 572ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 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 6501bdc58eSJohan Almbladh select HAVE_EBPF_JIT if !CPU_MICROMIPS && \ 6601bdc58eSJohan Almbladh !CPU_DADDI_WORKAROUNDS && \ 6701bdc58eSJohan Almbladh !CPU_R4000_WORKAROUNDS && \ 6801bdc58eSJohan Almbladh !CPU_R4400_WORKAROUNDS 6912597988SMatt Redfearn select HAVE_EXIT_THREAD 7067a929e0SChristoph Hellwig select HAVE_FAST_GUP 7112597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 7229c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 7312597988SMatt Redfearn select HAVE_FUNCTION_TRACER 7434c01e41SAlexander Lobakin select HAVE_GCC_PLUGINS 7534c01e41SAlexander Lobakin select HAVE_GENERIC_VDSO 76b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 7712597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 7812597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 79c1bf207dSDavid Daney select HAVE_KPROBES 80c1bf207dSDavid Daney select HAVE_KRETPROBES 81c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 82786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 8342a0bb3fSPetr Mladek select HAVE_NMI 8412597988SMatt Redfearn select HAVE_PERF_EVENTS 851ddc96bdSTiezhu Yang select HAVE_PERF_REGS 861ddc96bdSTiezhu Yang select HAVE_PERF_USER_STACK_DUMP 8708bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 889ea141adSPaul Burton select HAVE_RSEQ 8916c0f03fSHassan Naveed select HAVE_SPARSE_SYSCALL_NR 90d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 9112597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 92a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 9312597988SMatt Redfearn select IRQ_FORCED_THREADING 946630a8e5SChristoph Hellwig select ISA if EISA 9512597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 9634c01e41SAlexander Lobakin select MODULES_USE_ELF_RELA if MODULES && 64BIT 9712597988SMatt Redfearn select PERF_USE_VMALLOC 98981aa1d3SThomas Gleixner select PCI_MSI_ARCH_FALLBACKS if PCI_MSI 9905a0a344SArnd Bergmann select RTC_LIB 10012597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 1014aae683fSMasahiro Yamada select TRACE_IRQFLAGS_SUPPORT 10212597988SMatt Redfearn select VIRT_TO_BUS 1030bb87f05SAl Viro select ARCH_HAS_ELFCORE_COMPAT 104*e0a8b93eSNemanja Rakovic select HAVE_ARCH_KCSAN if 64BIT 1051da177e4SLinus Torvalds 106d3991572SChristoph Hellwigconfig MIPS_FIXUP_BIGPHYS_ADDR 107d3991572SChristoph Hellwig bool 108d3991572SChristoph Hellwig 109c434b9f8SPaul Cercueilconfig MIPS_GENERIC 110c434b9f8SPaul Cercueil bool 111c434b9f8SPaul Cercueil 112f0f4a753SPaul Cercueilconfig MACH_INGENIC 113f0f4a753SPaul Cercueil bool 114f0f4a753SPaul Cercueil select SYS_SUPPORTS_32BIT_KERNEL 115f0f4a753SPaul Cercueil select SYS_SUPPORTS_LITTLE_ENDIAN 116f0f4a753SPaul Cercueil select SYS_SUPPORTS_ZBOOT 117f0f4a753SPaul Cercueil select DMA_NONCOHERENT 1181660710cSPaul Cercueil select ARCH_HAS_SYNC_DMA_FOR_CPU 119f0f4a753SPaul Cercueil select IRQ_MIPS_CPU 120f0f4a753SPaul Cercueil select PINCTRL 121f0f4a753SPaul Cercueil select GPIOLIB 122f0f4a753SPaul Cercueil select COMMON_CLK 123f0f4a753SPaul Cercueil select GENERIC_IRQ_CHIP 124f0f4a753SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 125f0f4a753SPaul Cercueil select USE_OF 126f0f4a753SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 127f0f4a753SPaul Cercueil select MIPS_EXTERNAL_TIMER 128f0f4a753SPaul Cercueil 1291da177e4SLinus Torvaldsmenu "Machine selection" 1301da177e4SLinus Torvalds 1315e83d430SRalf Baechlechoice 1325e83d430SRalf Baechle prompt "System type" 133c434b9f8SPaul Cercueil default MIPS_GENERIC_KERNEL 1341da177e4SLinus Torvalds 135c434b9f8SPaul Cercueilconfig MIPS_GENERIC_KERNEL 136eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 1374e066441SChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 138c434b9f8SPaul Cercueil select MIPS_GENERIC 139eed0eabdSPaul Burton select BOOT_RAW 140eed0eabdSPaul Burton select BUILTIN_DTB 141eed0eabdSPaul Burton select CEVT_R4K 142eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 143eed0eabdSPaul Burton select COMMON_CLK 144eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 14534c01e41SAlexander Lobakin select CPU_MIPSR2_IRQ_VI 146eed0eabdSPaul Burton select CSRC_R4K 1474e066441SChristoph Hellwig select DMA_NONCOHERENT 148eb01d42aSChristoph Hellwig select HAVE_PCI 149eed0eabdSPaul Burton select IRQ_MIPS_CPU 1500211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 151eed0eabdSPaul Burton select MIPS_CPU_SCACHE 152eed0eabdSPaul Burton select MIPS_GIC 153eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 154eed0eabdSPaul Burton select NO_EXCEPT_FILL 155eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 156eed0eabdSPaul Burton select SMP_UP if SMP 157a3078e59SMatt Redfearn select SWAP_IO_SPACE 158eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 159eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 160eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 161eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 162eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 163eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 164eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 165eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 166eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 167eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 168eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 169eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 170eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 17134c01e41SAlexander Lobakin select SYS_SUPPORTS_MIPS_CPS 172eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 173eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 174eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 175c3e2ee65SPaul Cercueil select SYS_SUPPORTS_ZBOOT 17634c01e41SAlexander Lobakin select UHI_BOOT 1772e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1782e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1792e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1802e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1812e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1822e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 183eed0eabdSPaul Burton select USE_OF 184eed0eabdSPaul Burton help 185eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 186eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 187eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 188eed0eabdSPaul Burton Interface) specification. 189eed0eabdSPaul Burton 19042a4f17dSManuel Laussconfig MIPS_ALCHEMY 191c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 192d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 193f772cdb2SRalf Baechle select CEVT_R4K 194d7ea335cSSteven J. Hill select CSRC_R4K 19567e38cf2SRalf Baechle select IRQ_MIPS_CPU 196a86497d6SChristoph Hellwig select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is 197d3991572SChristoph Hellwig select MIPS_FIXUP_BIGPHYS_ADDR if PCI 19842a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 19942a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 20042a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 201d30a2b47SLinus Walleij select GPIOLIB 2021b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 20347440229SManuel Lauss select COMMON_CLK 2041da177e4SLinus Torvalds 2057ca5dc14SFlorian Fainelliconfig AR7 2067ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 2077ca5dc14SFlorian Fainelli select BOOT_ELF32 208b408b611SArnd Bergmann select COMMON_CLK 2097ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 2107ca5dc14SFlorian Fainelli select CEVT_R4K 2117ca5dc14SFlorian Fainelli select CSRC_R4K 21267e38cf2SRalf Baechle select IRQ_MIPS_CPU 2137ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 2147ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 2157ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 2167ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 2177ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 2187ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 219377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2201b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 221d30a2b47SLinus Walleij select GPIOLIB 2227ca5dc14SFlorian Fainelli select VLYNQ 2237ca5dc14SFlorian Fainelli help 2247ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 2257ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 2267ca5dc14SFlorian Fainelli 22743cc739fSSergey Ryazanovconfig ATH25 22843cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 22943cc739fSSergey Ryazanov select CEVT_R4K 23043cc739fSSergey Ryazanov select CSRC_R4K 23143cc739fSSergey Ryazanov select DMA_NONCOHERENT 23267e38cf2SRalf Baechle select IRQ_MIPS_CPU 2331753e74eSSergey Ryazanov select IRQ_DOMAIN 23443cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 23543cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 23643cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 2378aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 23843cc739fSSergey Ryazanov help 23943cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 24043cc739fSSergey Ryazanov 241d4a67d9dSGabor Juhosconfig ATH79 242d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 243ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 244d4a67d9dSGabor Juhos select BOOT_RAW 245d4a67d9dSGabor Juhos select CEVT_R4K 246d4a67d9dSGabor Juhos select CSRC_R4K 247d4a67d9dSGabor Juhos select DMA_NONCOHERENT 248d30a2b47SLinus Walleij select GPIOLIB 249a08227a2SJohn Crispin select PINCTRL 250411520afSAlban Bedel select COMMON_CLK 25167e38cf2SRalf Baechle select IRQ_MIPS_CPU 252d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 253d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 254d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 255d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 256377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 257b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 25803c8c407SAlban Bedel select USE_OF 25953d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 260d4a67d9dSGabor Juhos help 261d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 262d4a67d9dSGabor Juhos 2635f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2645f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 26529906e1aSÁlvaro Fernández Rojas select ARCH_HAS_RESET_CONTROLLER 266d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 267d666cd02SKevin Cernekee select BOOT_RAW 268d666cd02SKevin Cernekee select NO_EXCEPT_FILL 269d666cd02SKevin Cernekee select USE_OF 270d666cd02SKevin Cernekee select CEVT_R4K 271d666cd02SKevin Cernekee select CSRC_R4K 272d666cd02SKevin Cernekee select SYNC_R4K 273d666cd02SKevin Cernekee select COMMON_CLK 274c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 27560b858f2SKevin Cernekee select BCM7038_L1_IRQ 27660b858f2SKevin Cernekee select BCM7120_L2_IRQ 27760b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 27867e38cf2SRalf Baechle select IRQ_MIPS_CPU 27960b858f2SKevin Cernekee select DMA_NONCOHERENT 280d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 28160b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 282d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 283d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 28460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 28560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 28660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 287d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 288d666cd02SKevin Cernekee select SWAP_IO_SPACE 28960b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 29060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 29160b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 29260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2934dc4704cSJustin Chen select HARDIRQS_SW_RESEND 2941d987052SFlorian Fainelli select HAVE_PCI 2951d987052SFlorian Fainelli select PCI_DRIVERS_GENERIC 296d666cd02SKevin Cernekee help 2975f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2985f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2995f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 3005f2d4459SKevin Cernekee must be set appropriately for your board. 301d666cd02SKevin Cernekee 3021c0c13ebSAurelien Jarnoconfig BCM47XX 303c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 304fe08f8c2SHauke Mehrtens select BOOT_RAW 30542f77542SRalf Baechle select CEVT_R4K 306940f6b48SRalf Baechle select CSRC_R4K 3071c0c13ebSAurelien Jarno select DMA_NONCOHERENT 308eb01d42aSChristoph Hellwig select HAVE_PCI 30967e38cf2SRalf Baechle select IRQ_MIPS_CPU 310314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 311dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 3121c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 3131c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 314377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 3156507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 31625e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 317e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 318c949c0bcSRafał Miłecki select GPIOLIB 319c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 320f6e734a8SRafał Miłecki select BCM47XX_NVRAM 3212ab71a02SRafał Miłecki select BCM47XX_SPROM 322dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 3231c0c13ebSAurelien Jarno help 3241c0c13ebSAurelien Jarno Support for BCM47XX based boards 3251c0c13ebSAurelien Jarno 326e7300d04SMaxime Bizonconfig BCM63XX 327e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 328ae8de61cSFlorian Fainelli select BOOT_RAW 329e7300d04SMaxime Bizon select CEVT_R4K 330e7300d04SMaxime Bizon select CSRC_R4K 331fc264022SJonas Gorski select SYNC_R4K 332e7300d04SMaxime Bizon select DMA_NONCOHERENT 33367e38cf2SRalf Baechle select IRQ_MIPS_CPU 334e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 335e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 336e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 3375eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS32_3300 3385eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4350 3395eeaafc8SRandy Dunlap select SYS_HAS_CPU_BMIPS4380 340e7300d04SMaxime Bizon select SWAP_IO_SPACE 341d30a2b47SLinus Walleij select GPIOLIB 342af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 343bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 344e7300d04SMaxime Bizon help 345e7300d04SMaxime Bizon Support for BCM63XX based boards 346e7300d04SMaxime Bizon 3471da177e4SLinus Torvaldsconfig MIPS_COBALT 3483fa986faSMartin Michlmayr bool "Cobalt Server" 34942f77542SRalf Baechle select CEVT_R4K 350940f6b48SRalf Baechle select CSRC_R4K 3511097c6acSYoichi Yuasa select CEVT_GT641XX 3521da177e4SLinus Torvalds select DMA_NONCOHERENT 353eb01d42aSChristoph Hellwig select FORCE_PCI 354d865bea4SRalf Baechle select I8253 3551da177e4SLinus Torvalds select I8259 35667e38cf2SRalf Baechle select IRQ_MIPS_CPU 357d5ab1a69SYoichi Yuasa select IRQ_GT641XX 358252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3597cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3600a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 361ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3620e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 364e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3651da177e4SLinus Torvalds 3661da177e4SLinus Torvaldsconfig MACH_DECSTATION 3673fa986faSMartin Michlmayr bool "DECstations" 3681da177e4SLinus Torvalds select BOOT_ELF32 3696457d9fcSYoichi Yuasa select CEVT_DS1287 37081d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3714247417dSYoichi Yuasa select CSRC_IOASIC 37281d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 37320d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 37420d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 37520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3761da177e4SLinus Torvalds select DMA_NONCOHERENT 377ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 37867e38cf2SRalf Baechle select IRQ_MIPS_CPU 3797cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3807cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 381ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3827d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3835e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3841723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3851723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3861723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 387930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3885e83d430SRalf Baechle help 3891da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3901da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3911da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3941da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds DECstation 5000/50 3971da177e4SLinus Torvalds DECstation 5000/150 3981da177e4SLinus Torvalds DECstation 5000/260 3991da177e4SLinus Torvalds DECsystem 5900/260 4001da177e4SLinus Torvalds 4011da177e4SLinus Torvalds otherwise choose R3000. 4021da177e4SLinus Torvalds 4035e83d430SRalf Baechleconfig MACH_JAZZ 4043fa986faSMartin Michlmayr bool "Jazz family of machines" 40539b2d756SThomas Bogendoerfer select ARC_MEMORY 40639b2d756SThomas Bogendoerfer select ARC_PROMLIB 407a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4087a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4092f9237d4SChristoph Hellwig select DMA_OPS 4100e2794b0SRalf Baechle select FW_ARC 4110e2794b0SRalf Baechle select FW_ARC32 4125e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 41342f77542SRalf Baechle select CEVT_R4K 414940f6b48SRalf Baechle select CSRC_R4K 415e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 4165e83d430SRalf Baechle select GENERIC_ISA_DMA 4178a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41867e38cf2SRalf Baechle select IRQ_MIPS_CPU 419d865bea4SRalf Baechle select I8253 4205e83d430SRalf Baechle select I8259 4215e83d430SRalf Baechle select ISA 4227cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 4235e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4247d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 4251723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 426aadfe4b5SArnd Bergmann select SYS_SUPPORTS_LITTLE_ENDIAN 4271da177e4SLinus Torvalds help 4285e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 4295e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 430692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 4315e83d430SRalf Baechle Olivetti M700-10 workstations. 4325e83d430SRalf Baechle 433f0f4a753SPaul Cercueilconfig MACH_INGENIC_SOC 434de361e8bSPaul Burton bool "Ingenic SoC based machines" 435f0f4a753SPaul Cercueil select MIPS_GENERIC 436f0f4a753SPaul Cercueil select MACH_INGENIC 437f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 438eb384937SPaul Cercueil select CPU_SUPPORTS_CPUFREQ 439eb384937SPaul Cercueil select MIPS_EXTERNAL_TIMER 4405ebabe59SLars-Peter Clausen 441171bb2f1SJohn Crispinconfig LANTIQ 442171bb2f1SJohn Crispin bool "Lantiq based platforms" 443171bb2f1SJohn Crispin select DMA_NONCOHERENT 44467e38cf2SRalf Baechle select IRQ_MIPS_CPU 445171bb2f1SJohn Crispin select CEVT_R4K 446171bb2f1SJohn Crispin select CSRC_R4K 447171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 448171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 449171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 450171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 451377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 452171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 453f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 454171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 455d30a2b47SLinus Walleij select GPIOLIB 456171bb2f1SJohn Crispin select SWAP_IO_SPACE 457171bb2f1SJohn Crispin select BOOT_RAW 458bbd7ffdbSStephen Boyd select HAVE_LEGACY_CLK 459a0392222SJohn Crispin select USE_OF 4603f8c50c9SJohn Crispin select PINCTRL 4613f8c50c9SJohn Crispin select PINCTRL_LANTIQ 462c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 463c530781cSJohn Crispin select RESET_CONTROLLER 464171bb2f1SJohn Crispin 46530ad29bbSHuacai Chenconfig MACH_LOONGSON32 466caed1d1bSHuacai Chen bool "Loongson 32-bit family of machines" 467c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 468ade299d8SYoichi Yuasa help 46930ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 47085749d24SWu Zhangjin 47130ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 47230ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 47330ad29bbSHuacai Chen Sciences (CAS). 474ade299d8SYoichi Yuasa 47571e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 47671e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 477ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 478ca585cf9SKelvin Cheung help 47971e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 480ca585cf9SKelvin Cheung 48171e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 482caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4836fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4846fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4856fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4866fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4876fbde6b4SJiaxun Yang select BOOT_ELF32 4886fbde6b4SJiaxun Yang select BOARD_SCACHE 4896fbde6b4SJiaxun Yang select CSRC_R4K 4906fbde6b4SJiaxun Yang select CEVT_R4K 4916fbde6b4SJiaxun Yang select CPU_HAS_WB 4926fbde6b4SJiaxun Yang select FORCE_PCI 4936fbde6b4SJiaxun Yang select ISA 4946fbde6b4SJiaxun Yang select I8259 4956fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4967d6d2837SJiaxun Yang select NO_EXCEPT_FILL 4975125bfeeSTiezhu Yang select NR_CPUS_DEFAULT_64 4986fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4996423e59aSJiaxun Yang select PCI_DRIVERS_GENERIC 5006fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 5016fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 5026fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 5036fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 5046fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 5056fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 5066fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 5076fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 50871e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 509a307a4ceSJinyang He select SYS_SUPPORTS_RELOCATABLE 5106fbde6b4SJiaxun Yang select ZONE_DMA32 51187fcfa7bSJiaxun Yang select COMMON_CLK 51287fcfa7bSJiaxun Yang select USE_OF 51387fcfa7bSJiaxun Yang select BUILTIN_DTB 51439c1485cSHuacai Chen select PCI_HOST_GENERIC 51571e2f4ddSJiaxun Yang help 516caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 517caed1d1bSHuacai Chen 518caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 519caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 520caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 521caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 522ca585cf9SKelvin Cheung 5231da177e4SLinus Torvaldsconfig MIPS_MALTA 5243fa986faSMartin Michlmayr bool "MIPS Malta board" 52561ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 526a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5277a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5281da177e4SLinus Torvalds select BOOT_ELF32 529fa71c960SRalf Baechle select BOOT_RAW 530e8823d26SPaul Burton select BUILTIN_DTB 53142f77542SRalf Baechle select CEVT_R4K 532fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 53342b002abSGuenter Roeck select COMMON_CLK 53447bf2b03SMaksym Kokhan select CSRC_R4K 535a86497d6SChristoph Hellwig select DMA_NONCOHERENT 5361da177e4SLinus Torvalds select GENERIC_ISA_DMA 5378a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 538eb01d42aSChristoph Hellwig select HAVE_PCI 539d865bea4SRalf Baechle select I8253 5401da177e4SLinus Torvalds select I8259 54147bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 5425e83d430SRalf Baechle select MIPS_BONITO64 5439318c51aSChris Dearman select MIPS_CPU_SCACHE 54447bf2b03SMaksym Kokhan select MIPS_GIC 545a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5465e83d430SRalf Baechle select MIPS_MSC 54747bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 548ecafe3e9SPaul Burton select SMP_UP if SMP 5491da177e4SLinus Torvalds select SWAP_IO_SPACE 5507cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5517cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 552bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 553c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 554575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5557cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5565d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 557575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5587cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5597cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 560ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 561ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 563c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5645e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 565424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 56647bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5670365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 568e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 569f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 57047bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5719693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 572f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5731b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 574e8823d26SPaul Burton select USE_OF 575886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 576abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5771da177e4SLinus Torvalds help 578f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5791da177e4SLinus Torvalds board. 5801da177e4SLinus Torvalds 5812572f00dSJoshua Hendersonconfig MACH_PIC32 5822572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5832572f00dSJoshua Henderson help 5842572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5852572f00dSJoshua Henderson 5862572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5872572f00dSJoshua Henderson microcontrollers. 5882572f00dSJoshua Henderson 5895e83d430SRalf Baechleconfig MACH_VR41XX 59074142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 59142f77542SRalf Baechle select CEVT_R4K 592940f6b48SRalf Baechle select CSRC_R4K 5937cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 594377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 595d30a2b47SLinus Walleij select GPIOLIB 5965e83d430SRalf Baechle 597baec970aSLauri Kasanenconfig MACH_NINTENDO64 598baec970aSLauri Kasanen bool "Nintendo 64 console" 599baec970aSLauri Kasanen select CEVT_R4K 600baec970aSLauri Kasanen select CSRC_R4K 601baec970aSLauri Kasanen select SYS_HAS_CPU_R4300 602baec970aSLauri Kasanen select SYS_SUPPORTS_BIG_ENDIAN 603baec970aSLauri Kasanen select SYS_SUPPORTS_ZBOOT 604baec970aSLauri Kasanen select SYS_SUPPORTS_32BIT_KERNEL 605baec970aSLauri Kasanen select SYS_SUPPORTS_64BIT_KERNEL 606baec970aSLauri Kasanen select DMA_NONCOHERENT 607baec970aSLauri Kasanen select IRQ_MIPS_CPU 608baec970aSLauri Kasanen 609ae2b5bb6SJohn Crispinconfig RALINK 610ae2b5bb6SJohn Crispin bool "Ralink based machines" 611ae2b5bb6SJohn Crispin select CEVT_R4K 61235f752beSArnd Bergmann select COMMON_CLK 613ae2b5bb6SJohn Crispin select CSRC_R4K 614ae2b5bb6SJohn Crispin select BOOT_RAW 615ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61667e38cf2SRalf Baechle select IRQ_MIPS_CPU 617ae2b5bb6SJohn Crispin select USE_OF 618ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 619ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 620ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 621ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 622377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 6231f0400d0SChuanhong Guo select SYS_SUPPORTS_ZBOOT 624ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 6252a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6262a153f1cSJohn Crispin select RESET_CONTROLLER 627ae2b5bb6SJohn Crispin 6284042147aSBert Vermeulenconfig MACH_REALTEK_RTL 6294042147aSBert Vermeulen bool "Realtek RTL838x/RTL839x based machines" 6304042147aSBert Vermeulen select MIPS_GENERIC 6314042147aSBert Vermeulen select DMA_NONCOHERENT 6324042147aSBert Vermeulen select IRQ_MIPS_CPU 6334042147aSBert Vermeulen select CSRC_R4K 6344042147aSBert Vermeulen select CEVT_R4K 6354042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R1 6364042147aSBert Vermeulen select SYS_HAS_CPU_MIPS32_R2 6374042147aSBert Vermeulen select SYS_SUPPORTS_BIG_ENDIAN 6384042147aSBert Vermeulen select SYS_SUPPORTS_32BIT_KERNEL 6394042147aSBert Vermeulen select SYS_SUPPORTS_MIPS16 6404042147aSBert Vermeulen select SYS_SUPPORTS_MULTITHREADING 6414042147aSBert Vermeulen select SYS_SUPPORTS_VPE_LOADER 6424042147aSBert Vermeulen select BOOT_RAW 6434042147aSBert Vermeulen select PINCTRL 6444042147aSBert Vermeulen select USE_OF 6454042147aSBert Vermeulen 6461da177e4SLinus Torvaldsconfig SGI_IP22 6473fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 648c0de00b2SThomas Bogendoerfer select ARC_MEMORY 64939b2d756SThomas Bogendoerfer select ARC_PROMLIB 6500e2794b0SRalf Baechle select FW_ARC 6510e2794b0SRalf Baechle select FW_ARC32 6527a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6531da177e4SLinus Torvalds select BOOT_ELF32 65442f77542SRalf Baechle select CEVT_R4K 655940f6b48SRalf Baechle select CSRC_R4K 656e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6571da177e4SLinus Torvalds select DMA_NONCOHERENT 6586630a8e5SChristoph Hellwig select HAVE_EISA 659d865bea4SRalf Baechle select I8253 66068de4803SThomas Bogendoerfer select I8259 6611da177e4SLinus Torvalds select IP22_CPU_SCACHE 66267e38cf2SRalf Baechle select IRQ_MIPS_CPU 663aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 664e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 665e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 66636e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 667e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 668e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 669e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6701da177e4SLinus Torvalds select SWAP_IO_SPACE 6717cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6727cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 673c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 674ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 675ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6765e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 677802b8362SThomas Bogendoerfer select WAR_R4600_V1_INDEX_ICACHEOP 6785e5b6527SThomas Bogendoerfer select WAR_R4600_V1_HIT_CACHEOP 67944def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 680930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6811da177e4SLinus Torvalds help 6821da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6831da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6841da177e4SLinus Torvalds that runs on these, say Y here. 6851da177e4SLinus Torvalds 6861da177e4SLinus Torvaldsconfig SGI_IP27 6873fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 68854aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 689397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6900e2794b0SRalf Baechle select FW_ARC 6910e2794b0SRalf Baechle select FW_ARC64 692e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 6935e83d430SRalf Baechle select BOOT_ELF64 694e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 69504100459SChristoph Hellwig select FORCE_PCI 69636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 697eb01d42aSChristoph Hellwig select HAVE_PCI 69869a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 699e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 700130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 701a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 702a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7037cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 704ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7055e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 706d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7071a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 708256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 709930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7106c86a302SMike Rapoport select NUMA 7111da177e4SLinus Torvalds help 7121da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7131da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7141da177e4SLinus Torvalds here. 7151da177e4SLinus Torvalds 716e2defae5SThomas Bogendoerferconfig SGI_IP28 7177d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 718c0de00b2SThomas Bogendoerfer select ARC_MEMORY 71939b2d756SThomas Bogendoerfer select ARC_PROMLIB 7200e2794b0SRalf Baechle select FW_ARC 7210e2794b0SRalf Baechle select FW_ARC64 7227a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 723e2defae5SThomas Bogendoerfer select BOOT_ELF64 724e2defae5SThomas Bogendoerfer select CEVT_R4K 725e2defae5SThomas Bogendoerfer select CSRC_R4K 726e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 727e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 728e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 72967e38cf2SRalf Baechle select IRQ_MIPS_CPU 7306630a8e5SChristoph Hellwig select HAVE_EISA 731e2defae5SThomas Bogendoerfer select I8253 732e2defae5SThomas Bogendoerfer select I8259 733e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 734e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7355b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 736e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 737e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 738e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 739e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 740e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 741c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 742e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 743e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 744256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 745dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 746e2defae5SThomas Bogendoerfer help 747e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 748e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 749e2defae5SThomas Bogendoerfer 7507505576dSThomas Bogendoerferconfig SGI_IP30 7517505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7527505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7537505576dSThomas Bogendoerfer select FW_ARC 7547505576dSThomas Bogendoerfer select FW_ARC64 7557505576dSThomas Bogendoerfer select BOOT_ELF64 7567505576dSThomas Bogendoerfer select CEVT_R4K 7577505576dSThomas Bogendoerfer select CSRC_R4K 75804100459SChristoph Hellwig select FORCE_PCI 7597505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7607505576dSThomas Bogendoerfer select ZONE_DMA32 7617505576dSThomas Bogendoerfer select HAVE_PCI 7627505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7637505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7647505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7657505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7667505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7677505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7687505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7697505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7707505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 771256ec489SThomas Bogendoerfer select WAR_R10000_LLSC 7727505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7737505576dSThomas Bogendoerfer select ARC_MEMORY 7747505576dSThomas Bogendoerfer help 7757505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7767505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7777505576dSThomas Bogendoerfer 7781da177e4SLinus Torvaldsconfig SGI_IP32 779cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 78039b2d756SThomas Bogendoerfer select ARC_MEMORY 78139b2d756SThomas Bogendoerfer select ARC_PROMLIB 78203df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7830e2794b0SRalf Baechle select FW_ARC 7840e2794b0SRalf Baechle select FW_ARC32 7851da177e4SLinus Torvalds select BOOT_ELF32 78642f77542SRalf Baechle select CEVT_R4K 787940f6b48SRalf Baechle select CSRC_R4K 7881da177e4SLinus Torvalds select DMA_NONCOHERENT 789eb01d42aSChristoph Hellwig select HAVE_PCI 79067e38cf2SRalf Baechle select IRQ_MIPS_CPU 7911da177e4SLinus Torvalds select R5000_CPU_SCACHE 7921da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7937cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7947cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7957cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 796dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 797ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7985e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 799886ee136SThomas Bogendoerfer select WAR_ICACHE_REFILLS 8001da177e4SLinus Torvalds help 8011da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8021da177e4SLinus Torvalds 803ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 804ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8055e83d430SRalf Baechle select BOOT_ELF32 8065e83d430SRalf Baechle select SIBYTE_BCM1120 8075e83d430SRalf Baechle select SWAP_IO_SPACE 8087cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8095e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8105e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8115e83d430SRalf Baechle 812ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 813ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8145e83d430SRalf Baechle select BOOT_ELF32 8155e83d430SRalf Baechle select SIBYTE_BCM1120 8165e83d430SRalf Baechle select SWAP_IO_SPACE 8177cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8185e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8195e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8205e83d430SRalf Baechle 8215e83d430SRalf Baechleconfig SIBYTE_CRHONE 8223fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8235e83d430SRalf Baechle select BOOT_ELF32 8245e83d430SRalf Baechle select SIBYTE_BCM1125 8255e83d430SRalf Baechle select SWAP_IO_SPACE 8267cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8275e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8285e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8295e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8305e83d430SRalf Baechle 831ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 832ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 833ade299d8SYoichi Yuasa select BOOT_ELF32 834ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 835ade299d8SYoichi Yuasa select SWAP_IO_SPACE 836ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 837ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 838ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 839ade299d8SYoichi Yuasa 840ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 841ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 842ade299d8SYoichi Yuasa select BOOT_ELF32 843fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 844ade299d8SYoichi Yuasa select SIBYTE_SB1250 845ade299d8SYoichi Yuasa select SWAP_IO_SPACE 846ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 847ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 848ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 849ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 850cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 851e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 852ade299d8SYoichi Yuasa 853ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 854ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 855ade299d8SYoichi Yuasa select BOOT_ELF32 856fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 857ade299d8SYoichi Yuasa select SIBYTE_SB1250 858ade299d8SYoichi Yuasa select SWAP_IO_SPACE 859ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 860ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 862ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 863756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 864ade299d8SYoichi Yuasa 865ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 866ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 867ade299d8SYoichi Yuasa select BOOT_ELF32 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_LITTLE_ENDIAN 873e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 874ade299d8SYoichi Yuasa 875ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 876ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 877ade299d8SYoichi Yuasa select BOOT_ELF32 878ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 879ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 880ade299d8SYoichi Yuasa select SWAP_IO_SPACE 881ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 882ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 883651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 884ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 885cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 886e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 887ade299d8SYoichi Yuasa 88814b36af4SThomas Bogendoerferconfig SNI_RM 88914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 89039b2d756SThomas Bogendoerfer select ARC_MEMORY 89139b2d756SThomas Bogendoerfer select ARC_PROMLIB 8920e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8930e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 894aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8955e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 896a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8977a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8985e83d430SRalf Baechle select BOOT_ELF32 89942f77542SRalf Baechle select CEVT_R4K 900940f6b48SRalf Baechle select CSRC_R4K 901e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9025e83d430SRalf Baechle select DMA_NONCOHERENT 9035e83d430SRalf Baechle select GENERIC_ISA_DMA 9046630a8e5SChristoph Hellwig select HAVE_EISA 9058a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 906eb01d42aSChristoph Hellwig select HAVE_PCI 90767e38cf2SRalf Baechle select IRQ_MIPS_CPU 908d865bea4SRalf Baechle select I8253 9095e83d430SRalf Baechle select I8259 9105e83d430SRalf Baechle select ISA 911564c836fSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_6 9124a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9137cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9144a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 915c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9164a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 91736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 918ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9197d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9204a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9215e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9225e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 92344def342SThomas Bogendoerfer select WAR_R4600_V2_HIT_CACHEOP 9241da177e4SLinus Torvalds help 92514b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 92614b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9275e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9285e83d430SRalf Baechle support this machine type. 9291da177e4SLinus Torvalds 930edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 931edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9325e83d430SRalf Baechle 933edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 934edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 93524a1c023SThomas Bogendoerfer select WAR_TX49XX_ICACHE_INDEX_INV 93623fbee9dSRalf Baechle 93773b4390fSRalf Baechleconfig MIKROTIK_RB532 93873b4390fSRalf Baechle bool "Mikrotik RB532 boards" 93973b4390fSRalf Baechle select CEVT_R4K 94073b4390fSRalf Baechle select CSRC_R4K 94173b4390fSRalf Baechle select DMA_NONCOHERENT 942eb01d42aSChristoph Hellwig select HAVE_PCI 94367e38cf2SRalf Baechle select IRQ_MIPS_CPU 94473b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 94573b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 94673b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 94773b4390fSRalf Baechle select SWAP_IO_SPACE 94873b4390fSRalf Baechle select BOOT_RAW 949d30a2b47SLinus Walleij select GPIOLIB 950930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95173b4390fSRalf Baechle help 95273b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 95373b4390fSRalf Baechle based on the IDT RC32434 SoC. 95473b4390fSRalf Baechle 9559ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9569ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 957a86c7f72SDavid Daney select CEVT_R4K 958ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9591753d50cSChristoph Hellwig select HAVE_RAPIDIO 960d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 961a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 962a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 963f65aad41SRalf Baechle select EDAC_SUPPORT 964b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 96573569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 96673569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 967a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9685e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 969eb01d42aSChristoph Hellwig select HAVE_PCI 97078bdbbacSMasahiro Yamada select HAVE_PLAT_DELAY 97178bdbbacSMasahiro Yamada select HAVE_PLAT_FW_INIT_CMDLINE 97278bdbbacSMasahiro Yamada select HAVE_PLAT_MEMCPY 973f00e001eSDavid Daney select ZONE_DMA32 974d30a2b47SLinus Walleij select GPIOLIB 9756e511163SDavid Daney select USE_OF 9766e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9776e511163SDavid Daney select SYS_SUPPORTS_SMP 9787820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9797820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 980e326479fSAndrew Bresticker select BUILTIN_DTB 981f766b28aSJulian Braha select MTD 9828c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 98309230cbcSChristoph Hellwig select SWIOTLB 9843ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 985a86c7f72SDavid Daney help 986a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 987a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 988a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 989a86c7f72SDavid Daney Some of the supported boards are: 990a86c7f72SDavid Daney EBT3000 991a86c7f72SDavid Daney EBH3000 992a86c7f72SDavid Daney EBH3100 993a86c7f72SDavid Daney Thunder 994a86c7f72SDavid Daney Kodama 995a86c7f72SDavid Daney Hikari 996a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 997a86c7f72SDavid Daney 9981da177e4SLinus Torvaldsendchoice 9991da177e4SLinus Torvalds 1000e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10013b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1002d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1003a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1004e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10058945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1006eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 1007a103e9b9SPaul Cercueilsource "arch/mips/ingenic/Kconfig" 10085e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10098ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10102572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1011ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 101229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 101338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 101422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10155e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1016a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 101771e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 101830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 101930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 102038b18f72SRalf Baechle 10215e83d430SRalf Baechleendmenu 10225e83d430SRalf Baechle 10233c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10243c9ee7efSAkinobu Mita bool 10253c9ee7efSAkinobu Mita default y 10263c9ee7efSAkinobu Mita 10271da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10281da177e4SLinus Torvalds bool 10291da177e4SLinus Torvalds default y 10301da177e4SLinus Torvalds 1031ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10321cc89038SAtsushi Nemoto bool 10331cc89038SAtsushi Nemoto default y 10341cc89038SAtsushi Nemoto 10351da177e4SLinus Torvalds# 10361da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10371da177e4SLinus Torvalds# 10380e2794b0SRalf Baechleconfig FW_ARC 10391da177e4SLinus Torvalds bool 10401da177e4SLinus Torvalds 104161ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 104261ed242dSRalf Baechle bool 104361ed242dSRalf Baechle 10449267a30dSMarc St-Jeanconfig BOOT_RAW 10459267a30dSMarc St-Jean bool 10469267a30dSMarc St-Jean 1047217dd11eSRalf Baechleconfig CEVT_BCM1480 1048217dd11eSRalf Baechle bool 1049217dd11eSRalf Baechle 10506457d9fcSYoichi Yuasaconfig CEVT_DS1287 10516457d9fcSYoichi Yuasa bool 10526457d9fcSYoichi Yuasa 10531097c6acSYoichi Yuasaconfig CEVT_GT641XX 10541097c6acSYoichi Yuasa bool 10551097c6acSYoichi Yuasa 105642f77542SRalf Baechleconfig CEVT_R4K 105742f77542SRalf Baechle bool 105842f77542SRalf Baechle 1059217dd11eSRalf Baechleconfig CEVT_SB1250 1060217dd11eSRalf Baechle bool 1061217dd11eSRalf Baechle 1062229f773eSAtsushi Nemotoconfig CEVT_TXX9 1063229f773eSAtsushi Nemoto bool 1064229f773eSAtsushi Nemoto 1065217dd11eSRalf Baechleconfig CSRC_BCM1480 1066217dd11eSRalf Baechle bool 1067217dd11eSRalf Baechle 10684247417dSYoichi Yuasaconfig CSRC_IOASIC 10694247417dSYoichi Yuasa bool 10704247417dSYoichi Yuasa 1071940f6b48SRalf Baechleconfig CSRC_R4K 107238586428SSerge Semin select CLOCKSOURCE_WATCHDOG if CPU_FREQ 1073940f6b48SRalf Baechle bool 1074940f6b48SRalf Baechle 1075217dd11eSRalf Baechleconfig CSRC_SB1250 1076217dd11eSRalf Baechle bool 1077217dd11eSRalf Baechle 1078a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1079a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1080a7f4df4eSAlex Smith 1081a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1082d30a2b47SLinus Walleij select GPIOLIB 1083a9aec7feSAtsushi Nemoto bool 1084a9aec7feSAtsushi Nemoto 10850e2794b0SRalf Baechleconfig FW_CFE 1086df78b5c8SAurelien Jarno bool 1087df78b5c8SAurelien Jarno 108840e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 108940e084a5SRalf Baechle bool 109040e084a5SRalf Baechle 109120d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 109220d33064SPaul Burton bool 1093347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 10945748e1b3SChristoph Hellwig select DMA_NONCOHERENT 109520d33064SPaul Burton 10961da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10971da177e4SLinus Torvalds bool 1098db91427bSChristoph Hellwig # 1099db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1100db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1101db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1102db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1103db91427bSChristoph Hellwig # significant advantages. 1104db91427bSChristoph Hellwig # 1105419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1106fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_PREP_COHERENT 1107f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1108fa7e2247SChristoph Hellwig select ARCH_HAS_DMA_SET_UNCACHED 110934dc0ea6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 111034dc0ea6SChristoph Hellwig select NEED_DMA_MAP_STATE 11114ce588cdSRalf Baechle 111236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11131da177e4SLinus Torvalds bool 11141da177e4SLinus Torvalds 11151b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1116dbb74540SRalf Baechle bool 1117dbb74540SRalf Baechle 11181da177e4SLinus Torvaldsconfig MIPS_BONITO64 11191da177e4SLinus Torvalds bool 11201da177e4SLinus Torvalds 11211da177e4SLinus Torvaldsconfig MIPS_MSC 11221da177e4SLinus Torvalds bool 11231da177e4SLinus Torvalds 112439b8d525SRalf Baechleconfig SYNC_R4K 112539b8d525SRalf Baechle bool 112639b8d525SRalf Baechle 1127ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1128d388d685SMaciej W. Rozycki def_bool n 1129d388d685SMaciej W. Rozycki 11304e0748f5SMarkos Chandrasconfig GENERIC_CSUM 113118d84e2eSAlexander Lobakin def_bool CPU_NO_LOAD_STORE_LR 11324e0748f5SMarkos Chandras 11338313da30SRalf Baechleconfig GENERIC_ISA_DMA 11348313da30SRalf Baechle bool 11358313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1136a35bee8aSNamhyung Kim select ISA_DMA_API 11378313da30SRalf Baechle 1138aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1139aa414dffSRalf Baechle bool 11408313da30SRalf Baechle select GENERIC_ISA_DMA 1141aa414dffSRalf Baechle 114278bdbbacSMasahiro Yamadaconfig HAVE_PLAT_DELAY 114378bdbbacSMasahiro Yamada bool 114478bdbbacSMasahiro Yamada 114578bdbbacSMasahiro Yamadaconfig HAVE_PLAT_FW_INIT_CMDLINE 114678bdbbacSMasahiro Yamada bool 114778bdbbacSMasahiro Yamada 114878bdbbacSMasahiro Yamadaconfig HAVE_PLAT_MEMCPY 114978bdbbacSMasahiro Yamada bool 115078bdbbacSMasahiro Yamada 1151a35bee8aSNamhyung Kimconfig ISA_DMA_API 1152a35bee8aSNamhyung Kim bool 1153a35bee8aSNamhyung Kim 11548c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11558c530ea3SMatt Redfearn bool 11568c530ea3SMatt Redfearn help 11578c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11588c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11598c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11608c530ea3SMatt Redfearn 11615e83d430SRalf Baechle# 11626b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11635e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11645e83d430SRalf Baechle# choice statement should be more obvious to the user. 11655e83d430SRalf Baechle# 11665e83d430SRalf Baechlechoice 11676b2aac42SMasanari Iida prompt "Endianness selection" 11681da177e4SLinus Torvalds help 11691da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11705e83d430SRalf Baechle byte order. These modes require different kernels and a different 11713cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11725e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11733dde6ad8SDavid Sterba one or the other endianness. 11745e83d430SRalf Baechle 11755e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11765e83d430SRalf Baechle bool "Big endian" 11775e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11785e83d430SRalf Baechle 11795e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11805e83d430SRalf Baechle bool "Little endian" 11815e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11825e83d430SRalf Baechle 11835e83d430SRalf Baechleendchoice 11845e83d430SRalf Baechle 118522b0763aSDavid Daneyconfig EXPORT_UASM 118622b0763aSDavid Daney bool 118722b0763aSDavid Daney 11882116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11892116245eSRalf Baechle bool 11902116245eSRalf Baechle 11915e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11925e83d430SRalf Baechle bool 11935e83d430SRalf Baechle 11945e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11955e83d430SRalf Baechle bool 11961da177e4SLinus Torvalds 1197aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1198aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1199aa1762f4SDavid Daney 12009267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12019267a30dSMarc St-Jean bool 12029267a30dSMarc St-Jean 12039267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12049267a30dSMarc St-Jean bool 12059267a30dSMarc St-Jean 12068420fd00SAtsushi Nemotoconfig IRQ_TXX9 12078420fd00SAtsushi Nemoto bool 12088420fd00SAtsushi Nemoto 1209d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1210d5ab1a69SYoichi Yuasa bool 1211d5ab1a69SYoichi Yuasa 1212252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12131da177e4SLinus Torvalds bool 12141da177e4SLinus Torvalds 1215a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1216a57140e9SThomas Bogendoerfer bool 1217a57140e9SThomas Bogendoerfer 12189267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12199267a30dSMarc St-Jean bool 12209267a30dSMarc St-Jean 1221a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1222a7e07b1aSMarkos Chandras bool 1223a7e07b1aSMarkos Chandras 12241da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12251da177e4SLinus Torvalds bool 12261da177e4SLinus Torvalds 1227e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1228e2defae5SThomas Bogendoerfer bool 1229e2defae5SThomas Bogendoerfer 12305b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12315b438c44SThomas Bogendoerfer bool 12325b438c44SThomas Bogendoerfer 1233e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1234e2defae5SThomas Bogendoerfer bool 1235e2defae5SThomas Bogendoerfer 1236e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1237e2defae5SThomas Bogendoerfer bool 1238e2defae5SThomas Bogendoerfer 1239e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1240e2defae5SThomas Bogendoerfer bool 1241e2defae5SThomas Bogendoerfer 1242e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1243e2defae5SThomas Bogendoerfer bool 1244e2defae5SThomas Bogendoerfer 1245e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1246e2defae5SThomas Bogendoerfer bool 1247e2defae5SThomas Bogendoerfer 12480e2794b0SRalf Baechleconfig FW_ARC32 12495e83d430SRalf Baechle bool 12505e83d430SRalf Baechle 1251aaa9fad3SPaul Bolleconfig FW_SNIPROM 1252231a35d3SThomas Bogendoerfer bool 1253231a35d3SThomas Bogendoerfer 12541da177e4SLinus Torvaldsconfig BOOT_ELF32 12551da177e4SLinus Torvalds bool 12561da177e4SLinus Torvalds 1257930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1258930beb5aSFlorian Fainelli bool 1259930beb5aSFlorian Fainelli 1260930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1261930beb5aSFlorian Fainelli bool 1262930beb5aSFlorian Fainelli 1263930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1264930beb5aSFlorian Fainelli bool 1265930beb5aSFlorian Fainelli 1266930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1267930beb5aSFlorian Fainelli bool 1268930beb5aSFlorian Fainelli 12691da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12701da177e4SLinus Torvalds int 1271a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12725432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12735432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12745432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12751da177e4SLinus Torvalds default "5" 12761da177e4SLinus Torvalds 1277e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1278e9422427SThomas Bogendoerfer bool 1279e9422427SThomas Bogendoerfer 12801da177e4SLinus Torvaldsconfig ARC_CONSOLE 12811da177e4SLinus Torvalds bool "ARC console support" 1282e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12831da177e4SLinus Torvalds 12841da177e4SLinus Torvaldsconfig ARC_MEMORY 12851da177e4SLinus Torvalds bool 12861da177e4SLinus Torvalds 12871da177e4SLinus Torvaldsconfig ARC_PROMLIB 12881da177e4SLinus Torvalds bool 12891da177e4SLinus Torvalds 12900e2794b0SRalf Baechleconfig FW_ARC64 12911da177e4SLinus Torvalds bool 12921da177e4SLinus Torvalds 12931da177e4SLinus Torvaldsconfig BOOT_ELF64 12941da177e4SLinus Torvalds bool 12951da177e4SLinus Torvalds 12961da177e4SLinus Torvaldsmenu "CPU selection" 12971da177e4SLinus Torvalds 12981da177e4SLinus Torvaldschoice 12991da177e4SLinus Torvalds prompt "CPU type" 13001da177e4SLinus Torvalds default CPU_R4X00 13011da177e4SLinus Torvalds 1302268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1303caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1304268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1305d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 130651522217SJiaxun Yang select CPU_MIPSR2 130751522217SJiaxun Yang select CPU_HAS_PREFETCH 13080e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13090e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13100e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13117507445bSHuacai Chen select CPU_SUPPORTS_MSA 131251522217SJiaxun Yang select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT 131351522217SJiaxun Yang select CPU_MIPSR2_IRQ_VI 13140e476d91SHuacai Chen select WEAK_ORDERING 13150e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13167507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1317b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 131817c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 13197f3b3c2bSJackie Liu select MIPS_FP_SUPPORT 1320d30a2b47SLinus Walleij select GPIOLIB 132109230cbcSChristoph Hellwig select SWIOTLB 13220f78355cSHuacai Chen select HAVE_KVM 13230e476d91SHuacai Chen help 1324caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1325caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1326caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1327caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1328caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 13290e476d91SHuacai Chen 1330caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1331caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 13321e820da3SHuacai Chen default n 1333268a2d60SJiaxun Yang depends on CPU_LOONGSON64 13341e820da3SHuacai Chen help 1335caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 13361e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1337268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 13381e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13391e820da3SHuacai Chen Fast TLB refill support, etc. 13401e820da3SHuacai Chen 13411e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13421e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13431e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1344caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 13451e820da3SHuacai Chen 1346e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1347caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1348e02e07e3SHuacai Chen default y if SMP 1349268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1350e02e07e3SHuacai Chen help 1351caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1352e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1353e02e07e3SHuacai Chen 1354caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1355e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1356e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1357e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1358e02e07e3SHuacai Chen 1359e02e07e3SHuacai Chen If unsure, please say Y. 1360e02e07e3SHuacai Chen 1361ec7a9318SWANG Xueruiconfig CPU_LOONGSON3_CPUCFG_EMULATION 1362ec7a9318SWANG Xuerui bool "Emulate the CPUCFG instruction on older Loongson cores" 1363ec7a9318SWANG Xuerui default y 1364ec7a9318SWANG Xuerui depends on CPU_LOONGSON64 1365ec7a9318SWANG Xuerui help 1366ec7a9318SWANG Xuerui Loongson-3A R4 and newer have the CPUCFG instruction available for 1367ec7a9318SWANG Xuerui userland to query CPU capabilities, much like CPUID on x86. This 1368ec7a9318SWANG Xuerui option provides emulation of the instruction on older Loongson 1369ec7a9318SWANG Xuerui cores, back to Loongson-3A1000. 1370ec7a9318SWANG Xuerui 1371ec7a9318SWANG Xuerui If unsure, please say Y. 1372ec7a9318SWANG Xuerui 13733702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13743702bba5SWu Zhangjin bool "Loongson 2E" 13753702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1376268a2d60SJiaxun Yang select CPU_LOONGSON2EF 13772a21c730SFuxin Zhang help 13782a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13792a21c730SFuxin Zhang with many extensions. 13802a21c730SFuxin Zhang 138125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13826f7a251aSWu Zhangjin bonito64. 13836f7a251aSWu Zhangjin 13846f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13856f7a251aSWu Zhangjin bool "Loongson 2F" 13866f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1387268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1388d30a2b47SLinus Walleij select GPIOLIB 13896f7a251aSWu Zhangjin help 13906f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13916f7a251aSWu Zhangjin with many extensions. 13926f7a251aSWu Zhangjin 13936f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13946f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13956f7a251aSWu Zhangjin Loongson2E. 13966f7a251aSWu Zhangjin 1397ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1398ca585cf9SKelvin Cheung bool "Loongson 1B" 1399ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1400b2afb64cSHuacai Chen select CPU_LOONGSON32 14019ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1402ca585cf9SKelvin Cheung help 1403ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1404968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1405968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1406ca585cf9SKelvin Cheung 140712e3280bSYang Lingconfig CPU_LOONGSON1C 140812e3280bSYang Ling bool "Loongson 1C" 140912e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1410b2afb64cSHuacai Chen select CPU_LOONGSON32 141112e3280bSYang Ling select LEDS_GPIO_REGISTER 141212e3280bSYang Ling help 141312e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1414968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1415968dc5a0S谢致邦 (XIE Zhibang) instruction set. 141612e3280bSYang Ling 14176e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14186e760c8dSRalf Baechle bool "MIPS32 Release 1" 14197cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14206e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1421797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1422ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14236e760c8dSRalf Baechle help 14245e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14251e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14261e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14271e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14281e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14291e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14301e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14311e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14321e5f1caaSRalf Baechle performance. 14331e5f1caaSRalf Baechle 14341e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14351e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14367cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14371e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1438797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1439ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1440a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14412235a54dSSanjay Lal select HAVE_KVM 14421e5f1caaSRalf Baechle help 14435e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14446e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14456e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14466e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14476e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14481da177e4SLinus Torvalds 1449ab7c01fdSSerge Seminconfig CPU_MIPS32_R5 1450ab7c01fdSSerge Semin bool "MIPS32 Release 5" 1451ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS32_R5 1452ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1453ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1454ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1455ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1456ab7c01fdSSerge Semin select HAVE_KVM 1457ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT 1458ab7c01fdSSerge Semin help 1459ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1460ab7c01fdSSerge Semin MIPS32 architecture. New MIPS processors, starting with the Warrior 1461ab7c01fdSSerge Semin family, are based on a MIPS32r5 processor. If you own an older 1462ab7c01fdSSerge Semin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 1463ab7c01fdSSerge Semin 14647fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1465674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14667fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14677fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 146818d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 14697fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14707fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14717fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14727fd08ca5SLeonid Yegoshin select HAVE_KVM 14737fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14747fd08ca5SLeonid Yegoshin help 14757fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14767fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14777fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14787fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14797fd08ca5SLeonid Yegoshin 14806e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14816e760c8dSRalf Baechle bool "MIPS64 Release 1" 14827cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1483797798c1SRalf Baechle select CPU_HAS_PREFETCH 1484ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1485ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1486ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14879cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14886e760c8dSRalf Baechle help 14896e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14906e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14916e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14926e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14936e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14941e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14951e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14961e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14971e5f1caaSRalf Baechle performance. 14981e5f1caaSRalf Baechle 14991e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15001e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15017cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1502797798c1SRalf Baechle select CPU_HAS_PREFETCH 15031e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15041e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1505ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15069cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1507a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 150840a2df49SJames Hogan select HAVE_KVM 15091e5f1caaSRalf Baechle help 15101e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15111e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15121e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15131e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15141e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15151da177e4SLinus Torvalds 1516ab7c01fdSSerge Seminconfig CPU_MIPS64_R5 1517ab7c01fdSSerge Semin bool "MIPS64 Release 5" 1518ab7c01fdSSerge Semin depends on SYS_HAS_CPU_MIPS64_R5 1519ab7c01fdSSerge Semin select CPU_HAS_PREFETCH 1520ab7c01fdSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1521ab7c01fdSSerge Semin select CPU_SUPPORTS_64BIT_KERNEL 1522ab7c01fdSSerge Semin select CPU_SUPPORTS_HIGHMEM 1523ab7c01fdSSerge Semin select CPU_SUPPORTS_HUGEPAGES 1524ab7c01fdSSerge Semin select CPU_SUPPORTS_MSA 1525ab7c01fdSSerge Semin select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 1526ab7c01fdSSerge Semin select HAVE_KVM 1527ab7c01fdSSerge Semin help 1528ab7c01fdSSerge Semin Choose this option to build a kernel for release 5 or later of the 1529ab7c01fdSSerge Semin MIPS64 architecture. This is a intermediate MIPS architecture 1530ab7c01fdSSerge Semin release partly implementing release 6 features. Though there is no 1531ab7c01fdSSerge Semin any hardware known to be based on this release. 1532ab7c01fdSSerge Semin 15337fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1534674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15357fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15367fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 153718d84e2eSAlexander Lobakin select CPU_NO_LOAD_STORE_LR 15387fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15397fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15407fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1541afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15427fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15432e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154440a2df49SJames Hogan select HAVE_KVM 15457fd08ca5SLeonid Yegoshin help 15467fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15477fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15487fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15497fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15507fd08ca5SLeonid Yegoshin 1551281e3aeaSSerge Seminconfig CPU_P5600 1552281e3aeaSSerge Semin bool "MIPS Warrior P5600" 1553281e3aeaSSerge Semin depends on SYS_HAS_CPU_P5600 1554281e3aeaSSerge Semin select CPU_HAS_PREFETCH 1555281e3aeaSSerge Semin select CPU_SUPPORTS_32BIT_KERNEL 1556281e3aeaSSerge Semin select CPU_SUPPORTS_HIGHMEM 1557281e3aeaSSerge Semin select CPU_SUPPORTS_MSA 1558281e3aeaSSerge Semin select CPU_SUPPORTS_CPUFREQ 1559281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_VI 1560281e3aeaSSerge Semin select CPU_MIPSR2_IRQ_EI 1561281e3aeaSSerge Semin select HAVE_KVM 1562281e3aeaSSerge Semin select MIPS_O32_FP64_SUPPORT 1563281e3aeaSSerge Semin help 1564281e3aeaSSerge Semin Choose this option to build a kernel for MIPS Warrior P5600 CPU. 1565281e3aeaSSerge Semin It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes, 1566281e3aeaSSerge Semin MMU with two-levels TLB, UCA, MSA, MDU core level features and system 1567281e3aeaSSerge Semin level features like up to six P5600 calculation cores, CM2 with L2 1568281e3aeaSSerge Semin cache, IOCU/IOMMU (though might be unused depending on the system- 1569281e3aeaSSerge Semin specific IP core configuration), GIC, CPC, virtualisation module, 1570281e3aeaSSerge Semin eJTAG and PDtrace. 1571281e3aeaSSerge Semin 15721da177e4SLinus Torvaldsconfig CPU_R3000 15731da177e4SLinus Torvalds bool "R3000" 15747cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1575f7062ddbSRalf Baechle select CPU_HAS_WB 157654746829SPaul Burton select CPU_R3K_TLB 1577ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1578797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15791da177e4SLinus Torvalds help 15801da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15811da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15821da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15831da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15841da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15851da177e4SLinus Torvalds try to recompile with R3000. 15861da177e4SLinus Torvalds 15871da177e4SLinus Torvaldsconfig CPU_TX39XX 15881da177e4SLinus Torvalds bool "R39XX" 15897cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1590ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 159154746829SPaul Burton select CPU_R3K_TLB 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvaldsconfig CPU_VR41XX 15941da177e4SLinus Torvalds bool "R41xx" 15957cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15981da177e4SLinus Torvalds help 15995e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16001da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16011da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16021da177e4SLinus Torvalds processor or vice versa. 16031da177e4SLinus Torvalds 160465ce6197SLauri Kasanenconfig CPU_R4300 160565ce6197SLauri Kasanen bool "R4300" 160665ce6197SLauri Kasanen depends on SYS_HAS_CPU_R4300 160765ce6197SLauri Kasanen select CPU_SUPPORTS_32BIT_KERNEL 160865ce6197SLauri Kasanen select CPU_SUPPORTS_64BIT_KERNEL 160965ce6197SLauri Kasanen help 161065ce6197SLauri Kasanen MIPS Technologies R4300-series processors. 161165ce6197SLauri Kasanen 16121da177e4SLinus Torvaldsconfig CPU_R4X00 16131da177e4SLinus Torvalds bool "R4x00" 16147cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1615ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1616ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1617970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16181da177e4SLinus Torvalds help 16191da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16201da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16211da177e4SLinus Torvalds 16221da177e4SLinus Torvaldsconfig CPU_TX49XX 16231da177e4SLinus Torvalds bool "R49XX" 16247cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1625de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1626ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1627ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1628970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16291da177e4SLinus Torvalds 16301da177e4SLinus Torvaldsconfig CPU_R5000 16311da177e4SLinus Torvalds bool "R5000" 16327cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1633ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1634ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1635970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16361da177e4SLinus Torvalds help 16371da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16381da177e4SLinus Torvalds 1639542c1020SShinya Kuribayashiconfig CPU_R5500 1640542c1020SShinya Kuribayashi bool "R5500" 1641542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1642542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1643542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16449cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1645542c1020SShinya Kuribayashi help 1646542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1647542c1020SShinya Kuribayashi instruction set. 1648542c1020SShinya Kuribayashi 16491da177e4SLinus Torvaldsconfig CPU_NEVADA 16501da177e4SLinus Torvalds bool "RM52xx" 16517cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1652ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1653ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1654970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16551da177e4SLinus Torvalds help 16561da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16571da177e4SLinus Torvalds 16581da177e4SLinus Torvaldsconfig CPU_R10000 16591da177e4SLinus Torvalds bool "R10000" 16607cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16615e83d430SRalf Baechle select CPU_HAS_PREFETCH 1662ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1664797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1665970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16661da177e4SLinus Torvalds help 16671da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16681da177e4SLinus Torvalds 16691da177e4SLinus Torvaldsconfig CPU_RM7000 16701da177e4SLinus Torvalds bool "RM7000" 16717cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16725e83d430SRalf Baechle select CPU_HAS_PREFETCH 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1674ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1675797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1676970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16771da177e4SLinus Torvalds 16781da177e4SLinus Torvaldsconfig CPU_SB1 16791da177e4SLinus Torvalds bool "SB1" 16807cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1681ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1682ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1683797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1684970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16850004a9dfSRalf Baechle select WEAK_ORDERING 16861da177e4SLinus Torvalds 1687a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1688a86c7f72SDavid Daney bool "Cavium Octeon processor" 16895e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1690a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1691a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1692a86c7f72SDavid Daney select WEAK_ORDERING 1693a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16949cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1695df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1696df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1697930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16980ae3abcdSJames Hogan select HAVE_KVM 1699a86c7f72SDavid Daney help 1700a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1701a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1702a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1703a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1704a86c7f72SDavid Daney 1705cd746249SJonas Gorskiconfig CPU_BMIPS 1706cd746249SJonas Gorski bool "Broadcom BMIPS" 1707cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1708cd746249SJonas Gorski select CPU_MIPS32 1709fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1710cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1711cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1712cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1713cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1714cd746249SJonas Gorski select DMA_NONCOHERENT 171567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1716cd746249SJonas Gorski select SWAP_IO_SPACE 1717cd746249SJonas Gorski select WEAK_ORDERING 1718c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 171969aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1720a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1721a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1722bf8bde41SFlorian Fainelli select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 1723c1c0c461SKevin Cernekee help 1724fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1725c1c0c461SKevin Cernekee 17261da177e4SLinus Torvaldsendchoice 17271da177e4SLinus Torvalds 1728a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1729a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1730a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 1731281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \ 1732281e3aeaSSerge Semin CPU_P5600 1733a6e18781SLeonid Yegoshin help 1734a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1735a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1736a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1737a6e18781SLeonid Yegoshin 1738a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1739a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1740a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1741a6e18781SLeonid Yegoshin select EVA 1742a6e18781SLeonid Yegoshin default y 1743a6e18781SLeonid Yegoshin help 1744a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1745a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1746a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1747a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1748a6e18781SLeonid Yegoshin 1749c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1750c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1751c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1752281e3aeaSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600 1753c5b36783SSteven J. Hill help 1754c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1755c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1756c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1757c5b36783SSteven J. Hill 1758c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1759c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1760c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1761c5b36783SSteven J. Hill depends on !EVA 1762c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1763c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1764c5b36783SSteven J. Hill select XPA 1765c5b36783SSteven J. Hill select HIGHMEM 1766d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1767c5b36783SSteven J. Hill default n 1768c5b36783SSteven J. Hill help 1769c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1770c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1771c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1772c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1773c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1774c5b36783SSteven J. Hill If unsure, say 'N' here. 1775c5b36783SSteven J. Hill 1776622844bfSWu Zhangjinif CPU_LOONGSON2F 1777622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1778622844bfSWu Zhangjin bool 1779622844bfSWu Zhangjin 1780622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1781622844bfSWu Zhangjin bool 1782622844bfSWu Zhangjin 1783622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1784622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1785622844bfSWu Zhangjin default y 1786622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1787622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1788622844bfSWu Zhangjin help 1789622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1790622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1791622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1792622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1793622844bfSWu Zhangjin 1794622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1795622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1796622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1797622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1798622844bfSWu Zhangjin systems. 1799622844bfSWu Zhangjin 1800622844bfSWu Zhangjin If unsure, please say Y. 1801622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1802622844bfSWu Zhangjin 18031b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18041b93b3c3SWu Zhangjin bool 18051b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18061b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 180731c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18081b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1809fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18104e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 1811a510b616SPaul Cercueil select HAVE_KERNEL_ZSTD 18121b93b3c3SWu Zhangjin 18131b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18141b93b3c3SWu Zhangjin bool 18151b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18161b93b3c3SWu Zhangjin 1817dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1818dbb98314SAlban Bedel bool 1819dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1820dbb98314SAlban Bedel 1821268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 18223702bba5SWu Zhangjin bool 18233702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18243702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18253702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1826970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1827e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 18283702bba5SWu Zhangjin 1829b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1830ca585cf9SKelvin Cheung bool 1831ca585cf9SKelvin Cheung select CPU_MIPS32 18327e280f6bSJiaxun Yang select CPU_MIPSR2 1833ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1834ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1835ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1836f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1837ca585cf9SKelvin Cheung 1838fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 183904fa8bf7SJonas Gorski select SMP_UP if SMP 18401bbb6c1bSKevin Cernekee bool 1841cd746249SJonas Gorski 1842cd746249SJonas Gorskiconfig CPU_BMIPS4350 1843cd746249SJonas Gorski bool 1844cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1845cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1846cd746249SJonas Gorski 1847cd746249SJonas Gorskiconfig CPU_BMIPS4380 1848cd746249SJonas Gorski bool 1849bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1850cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1851cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1852b4720809SFlorian Fainelli select CPU_HAS_RIXI 1853cd746249SJonas Gorski 1854cd746249SJonas Gorskiconfig CPU_BMIPS5000 1855cd746249SJonas Gorski bool 1856cd746249SJonas Gorski select MIPS_CPU_SCACHE 1857bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1858cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1859cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1860b4720809SFlorian Fainelli select CPU_HAS_RIXI 18611bbb6c1bSKevin Cernekee 1862268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 18630e476d91SHuacai Chen bool 18640e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1865b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18660e476d91SHuacai Chen 18673702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18682a21c730SFuxin Zhang bool 18692a21c730SFuxin Zhang 18706f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18716f7a251aSWu Zhangjin bool 187255045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187355045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 18746f7a251aSWu Zhangjin 1875ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1876ca585cf9SKelvin Cheung bool 1877ca585cf9SKelvin Cheung 187812e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 187912e3280bSYang Ling bool 188012e3280bSYang Ling 18817cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18827cf8053bSRalf Baechle bool 18837cf8053bSRalf Baechle 18847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18857cf8053bSRalf Baechle bool 18867cf8053bSRalf Baechle 1887a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1888a6e18781SLeonid Yegoshin bool 1889a6e18781SLeonid Yegoshin 1890c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1891c5b36783SSteven J. Hill bool 18929ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1893c5b36783SSteven J. Hill 18947fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18957fd08ca5SLeonid Yegoshin bool 18969ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 18977fd08ca5SLeonid Yegoshin 18987cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18997cf8053bSRalf Baechle bool 19007cf8053bSRalf Baechle 19017cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19027cf8053bSRalf Baechle bool 19037cf8053bSRalf Baechle 1904fd4eb90bSLukas Bulwahnconfig SYS_HAS_CPU_MIPS64_R5 1905fd4eb90bSLukas Bulwahn bool 1906fd4eb90bSLukas Bulwahn select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1907fd4eb90bSLukas Bulwahn 19087fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19097fd08ca5SLeonid Yegoshin bool 19109ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19117fd08ca5SLeonid Yegoshin 1912281e3aeaSSerge Seminconfig SYS_HAS_CPU_P5600 1913281e3aeaSSerge Semin bool 1914281e3aeaSSerge Semin select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1915281e3aeaSSerge Semin 19167cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19177cf8053bSRalf Baechle bool 19187cf8053bSRalf Baechle 19197cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19207cf8053bSRalf Baechle bool 19217cf8053bSRalf Baechle 19227cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19237cf8053bSRalf Baechle bool 19247cf8053bSRalf Baechle 192565ce6197SLauri Kasanenconfig SYS_HAS_CPU_R4300 192665ce6197SLauri Kasanen bool 192765ce6197SLauri Kasanen 19287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19297cf8053bSRalf Baechle bool 19307cf8053bSRalf Baechle 19317cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19327cf8053bSRalf Baechle bool 19337cf8053bSRalf Baechle 19347cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19357cf8053bSRalf Baechle bool 19367cf8053bSRalf Baechle 1937542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1938542c1020SShinya Kuribayashi bool 1939542c1020SShinya Kuribayashi 19407cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19417cf8053bSRalf Baechle bool 19427cf8053bSRalf Baechle 19437cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19447cf8053bSRalf Baechle bool 19459ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19467cf8053bSRalf Baechle 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19535e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19545e683389SDavid Daney bool 19555e683389SDavid Daney 1956cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1957c1c0c461SKevin Cernekee bool 1958c1c0c461SKevin Cernekee 1959fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1960c1c0c461SKevin Cernekee bool 1961cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1962c1c0c461SKevin Cernekee 1963c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1964c1c0c461SKevin Cernekee bool 1965cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1966c1c0c461SKevin Cernekee 1967c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1968c1c0c461SKevin Cernekee bool 1969cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1970c1c0c461SKevin Cernekee 1971c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1972c1c0c461SKevin Cernekee bool 1973cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1974f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 1975c1c0c461SKevin Cernekee 197617099b11SRalf Baechle# 197717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 197817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 197917099b11SRalf Baechle# 19800004a9dfSRalf Baechleconfig WEAK_ORDERING 19810004a9dfSRalf Baechle bool 198217099b11SRalf Baechle 198317099b11SRalf Baechle# 198417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 198517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 198617099b11SRalf Baechle# 198717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 198817099b11SRalf Baechle bool 19895e83d430SRalf Baechleendmenu 19905e83d430SRalf Baechle 19915e83d430SRalf Baechle# 19925e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19935e83d430SRalf Baechle# 19945e83d430SRalf Baechleconfig CPU_MIPS32 19955e83d430SRalf Baechle bool 1996ab7c01fdSSerge Semin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \ 1997281e3aeaSSerge Semin CPU_MIPS32_R6 || CPU_P5600 19985e83d430SRalf Baechle 19995e83d430SRalf Baechleconfig CPU_MIPS64 20005e83d430SRalf Baechle bool 2001ab7c01fdSSerge Semin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \ 20025a4fa44fSJason A. Donenfeld CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON 20035e83d430SRalf Baechle 20045e83d430SRalf Baechle# 200557eeacedSPaul Burton# These indicate the revision of the architecture 20065e83d430SRalf Baechle# 20075e83d430SRalf Baechleconfig CPU_MIPSR1 20085e83d430SRalf Baechle bool 20095e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20105e83d430SRalf Baechle 20115e83d430SRalf Baechleconfig CPU_MIPSR2 20125e83d430SRalf Baechle bool 2013a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20148256b17eSFlorian Fainelli select CPU_HAS_RIXI 2015ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2016a7e07b1aSMarkos Chandras select MIPS_SPRAM 20175e83d430SRalf Baechle 2018ab7c01fdSSerge Seminconfig CPU_MIPSR5 2019ab7c01fdSSerge Semin bool 2020281e3aeaSSerge Semin default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600 2021ab7c01fdSSerge Semin select CPU_HAS_RIXI 2022ab7c01fdSSerge Semin select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 2023ab7c01fdSSerge Semin select MIPS_SPRAM 2024ab7c01fdSSerge Semin 20257fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20267fd08ca5SLeonid Yegoshin bool 20277fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20288256b17eSFlorian Fainelli select CPU_HAS_RIXI 2029ba9196d2SJiaxun Yang select CPU_HAS_DIEI if !CPU_DIEI_BROKEN 203087321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20312db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20324a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2033a7e07b1aSMarkos Chandras select MIPS_SPRAM 20345e83d430SRalf Baechle 203557eeacedSPaul Burtonconfig TARGET_ISA_REV 203657eeacedSPaul Burton int 203757eeacedSPaul Burton default 1 if CPU_MIPSR1 203857eeacedSPaul Burton default 2 if CPU_MIPSR2 2039ab7c01fdSSerge Semin default 5 if CPU_MIPSR5 204057eeacedSPaul Burton default 6 if CPU_MIPSR6 204157eeacedSPaul Burton default 0 204257eeacedSPaul Burton help 204357eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 204457eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 204557eeacedSPaul Burton 2046a6e18781SLeonid Yegoshinconfig EVA 2047a6e18781SLeonid Yegoshin bool 2048a6e18781SLeonid Yegoshin 2049c5b36783SSteven J. Hillconfig XPA 2050c5b36783SSteven J. Hill bool 2051c5b36783SSteven J. Hill 20525e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20535e83d430SRalf Baechle bool 20545e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20555e83d430SRalf Baechle bool 20565e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20575e83d430SRalf Baechle bool 20585e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20595e83d430SRalf Baechle bool 206055045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 206155045ff5SWu Zhangjin bool 206255045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 206355045ff5SWu Zhangjin bool 20649cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20659cffd154SDavid Daney bool 2066a670c82dSLukas Bulwahn depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA)) 206782622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 206882622284SDavid Daney bool 2069c6972fb9SHuang Pei depends on 64BIT 207095b8a5e0SThomas Bogendoerfer default y if (CPU_MIPSR2 || CPU_MIPSR6) 20715e83d430SRalf Baechle 20728192c9eaSDavid Daney# 20738192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20748192c9eaSDavid Daney# 20758192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20768192c9eaSDavid Daney bool 2077679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20788192c9eaSDavid Daney 20795e83d430SRalf Baechlemenu "Kernel type" 20805e83d430SRalf Baechle 20815e83d430SRalf Baechlechoice 20825e83d430SRalf Baechle prompt "Kernel code model" 20835e83d430SRalf Baechle help 20845e83d430SRalf Baechle You should only select this option if you have a workload that 20855e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20865e83d430SRalf Baechle large memory. You will only be presented a single option in this 20875e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20885e83d430SRalf Baechle 20895e83d430SRalf Baechleconfig 32BIT 20905e83d430SRalf Baechle bool "32-bit kernel" 20915e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20925e83d430SRalf Baechle select TRAD_SIGNALS 20935e83d430SRalf Baechle help 20945e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2095f17c4ca3SRalf Baechle 20965e83d430SRalf Baechleconfig 64BIT 20975e83d430SRalf Baechle bool "64-bit kernel" 20985e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20995e83d430SRalf Baechle help 21005e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21015e83d430SRalf Baechle 21025e83d430SRalf Baechleendchoice 21035e83d430SRalf Baechle 21041e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21051e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21061e321fa9SLeonid Yegoshin depends on 64BIT 21071e321fa9SLeonid Yegoshin help 21083377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21093377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21103377e227SAlex Belits For page sizes 16k and above, this option results in a small 21113377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21123377e227SAlex Belits level of page tables is added which imposes both a memory 21133377e227SAlex Belits overhead as well as slower TLB fault handling. 21143377e227SAlex Belits 21151e321fa9SLeonid Yegoshin If unsure, say N. 21161e321fa9SLeonid Yegoshin 211779876cc1SYunQiang Suconfig ZBOOT_LOAD_ADDRESS 211879876cc1SYunQiang Su hex "Compressed kernel load address" 211979876cc1SYunQiang Su default 0xffffffff80400000 if BCM47XX 212079876cc1SYunQiang Su default 0x0 212179876cc1SYunQiang Su depends on SYS_SUPPORTS_ZBOOT 212279876cc1SYunQiang Su help 212379876cc1SYunQiang Su The address to load compressed kernel, aka vmlinuz. 212479876cc1SYunQiang Su 212579876cc1SYunQiang Su This is only used if non-zero. 212679876cc1SYunQiang Su 21271da177e4SLinus Torvaldschoice 21281da177e4SLinus Torvalds prompt "Kernel page size" 21291da177e4SLinus Torvalds default PAGE_SIZE_4KB 21301da177e4SLinus Torvalds 21311da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21321da177e4SLinus Torvalds bool "4kB" 2133268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 21341da177e4SLinus Torvalds help 21351da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21361da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21371da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21381da177e4SLinus Torvalds recommended for low memory systems. 21391da177e4SLinus Torvalds 21401da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21411da177e4SLinus Torvalds bool "8kB" 2142c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21431e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21441da177e4SLinus Torvalds help 21451da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21461da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2147c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2148c2aeaaeaSPaul Burton distribution to support this. 21491da177e4SLinus Torvalds 21501da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21511da177e4SLinus Torvalds bool "16kB" 2152714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21531da177e4SLinus Torvalds help 21541da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21551da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2156714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2157714bfad6SRalf Baechle Linux distribution to support this. 21581da177e4SLinus Torvalds 2159c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2160c52399beSRalf Baechle bool "32kB" 2161c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21621e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2163c52399beSRalf Baechle help 2164c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2165c52399beSRalf Baechle the price of higher memory consumption. This option is available 2166c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2167c52399beSRalf Baechle distribution to support this. 2168c52399beSRalf Baechle 21691da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21701da177e4SLinus Torvalds bool "64kB" 21713b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21721da177e4SLinus Torvalds help 21731da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21741da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21751da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2176714bfad6SRalf Baechle writing this option is still high experimental. 21771da177e4SLinus Torvalds 21781da177e4SLinus Torvaldsendchoice 21791da177e4SLinus Torvalds 2180c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2181c9bace7cSDavid Daney int "Maximum zone order" 2182e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2183e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2184e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2185e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2186e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2187e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2188ef923a76SPaul Cercueil range 0 64 2189c9bace7cSDavid Daney default "11" 2190c9bace7cSDavid Daney help 2191c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2192c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2193c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2194c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2195c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2196c9bace7cSDavid Daney increase this value. 2197c9bace7cSDavid Daney 2198c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2199c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2200c9bace7cSDavid Daney 2201c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2202c9bace7cSDavid Daney when choosing a value for this option. 2203c9bace7cSDavid Daney 22041da177e4SLinus Torvaldsconfig BOARD_SCACHE 22051da177e4SLinus Torvalds bool 22061da177e4SLinus Torvalds 22071da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22081da177e4SLinus Torvalds bool 22091da177e4SLinus Torvalds select BOARD_SCACHE 22101da177e4SLinus Torvalds 22119318c51aSChris Dearman# 22129318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22139318c51aSChris Dearman# 22149318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22159318c51aSChris Dearman bool 22169318c51aSChris Dearman select BOARD_SCACHE 22179318c51aSChris Dearman 22181da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22191da177e4SLinus Torvalds bool 22201da177e4SLinus Torvalds select BOARD_SCACHE 22211da177e4SLinus Torvalds 22221da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22231da177e4SLinus Torvalds bool 22241da177e4SLinus Torvalds select BOARD_SCACHE 22251da177e4SLinus Torvalds 22261da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22271da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22281da177e4SLinus Torvalds depends on CPU_SB1 22291da177e4SLinus Torvalds help 22301da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22311da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22321da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22331da177e4SLinus Torvalds 22341da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2235c8094b53SRalf Baechle bool 22361da177e4SLinus Torvalds 22373165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22383165c846SFlorian Fainelli bool 2239c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22403165c846SFlorian Fainelli 2241c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2242183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2243183b40f9SPaul Burton default y 2244183b40f9SPaul Burton help 2245183b40f9SPaul Burton Select y to include support for floating point in the kernel 2246183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2247183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2248183b40f9SPaul Burton userland program attempting to use floating point instructions will 2249183b40f9SPaul Burton receive a SIGILL. 2250183b40f9SPaul Burton 2251183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2252183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2253183b40f9SPaul Burton 2254183b40f9SPaul Burton If unsure, say y. 2255c92e47e5SPaul Burton 225697f7dcbfSPaul Burtonconfig CPU_R2300_FPU 225797f7dcbfSPaul Burton bool 2258c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 225997f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 226097f7dcbfSPaul Burton 226154746829SPaul Burtonconfig CPU_R3K_TLB 226254746829SPaul Burton bool 226354746829SPaul Burton 226491405eb6SFlorian Fainelliconfig CPU_R4K_FPU 226591405eb6SFlorian Fainelli bool 2266c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 226797f7dcbfSPaul Burton default y if !CPU_R2300_FPU 226891405eb6SFlorian Fainelli 226962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 227062cedc4fSFlorian Fainelli bool 227154746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 227262cedc4fSFlorian Fainelli 227359d6ab86SRalf Baechleconfig MIPS_MT_SMP 2274a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22755cbf9688SPaul Burton default y 2276527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 227759d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2278d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2279c080faa5SSteven J. Hill select SYNC_R4K 228059d6ab86SRalf Baechle select MIPS_MT 228159d6ab86SRalf Baechle select SMP 228287353d8aSRalf Baechle select SMP_UP 2283c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2284c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2285399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 228659d6ab86SRalf Baechle help 2287c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2288c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2289c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2290c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2291c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 229259d6ab86SRalf Baechle 2293f41ae0b2SRalf Baechleconfig MIPS_MT 2294f41ae0b2SRalf Baechle bool 2295f41ae0b2SRalf Baechle 22960ab7aefcSRalf Baechleconfig SCHED_SMT 22970ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22980ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22990ab7aefcSRalf Baechle default n 23000ab7aefcSRalf Baechle help 23010ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23020ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23030ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23040ab7aefcSRalf Baechle 23050ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23060ab7aefcSRalf Baechle bool 23070ab7aefcSRalf Baechle 2308f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2309f41ae0b2SRalf Baechle bool 2310f41ae0b2SRalf Baechle 2311f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2312f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2313f088fc84SRalf Baechle default y 2314b633648cSRalf Baechle depends on MIPS_MT_SMP 231507cc0c9eSRalf Baechle 2316b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2317b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23189eaa9a82SPaul Burton depends on CPU_MIPSR6 2319c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2320b0a668fbSLeonid Yegoshin default y 2321b0a668fbSLeonid Yegoshin help 2322b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2323b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 232407edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2325b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2326b0a668fbSLeonid Yegoshin final kernel image. 2327b0a668fbSLeonid Yegoshin 2328f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2329f35764e7SJames Hogan bool 2330f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2331f35764e7SJames Hogan help 2332f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2333f35764e7SJames Hogan physical_memsize. 2334f35764e7SJames Hogan 233507cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 233607cc0c9eSRalf Baechle bool "VPE loader support." 2337f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 233807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 233907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 234007cc0c9eSRalf Baechle select MIPS_MT 234107cc0c9eSRalf Baechle help 234207cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 234307cc0c9eSRalf Baechle onto another VPE and running it. 2344f088fc84SRalf Baechle 234517a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 234617a1d523SDeng-Cheng Zhu bool 234717a1d523SDeng-Cheng Zhu default "y" 234817a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 234917a1d523SDeng-Cheng Zhu 23501a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23511a2a6d7eSDeng-Cheng Zhu bool 23521a2a6d7eSDeng-Cheng Zhu default "y" 23531a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23541a2a6d7eSDeng-Cheng Zhu 2355e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2356e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2357e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2358e01402b1SRalf Baechle default y 2359e01402b1SRalf Baechle help 2360e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2361e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2362e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2363e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2364e01402b1SRalf Baechle 2365e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2366e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2367e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2368e01402b1SRalf Baechle 2369da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2370da615cf6SDeng-Cheng Zhu bool 2371da615cf6SDeng-Cheng Zhu default "y" 2372da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2373da615cf6SDeng-Cheng Zhu 23742c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23752c973ef0SDeng-Cheng Zhu bool 23762c973ef0SDeng-Cheng Zhu default "y" 23772c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23782c973ef0SDeng-Cheng Zhu 23794a16ff4cSRalf Baechleconfig MIPS_CMP 23805cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23815676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2382b10b43baSMarkos Chandras select SMP 2383eb9b5141STim Anderson select SYNC_R4K 2384b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23854a16ff4cSRalf Baechle select WEAK_ORDERING 23864a16ff4cSRalf Baechle default n 23874a16ff4cSRalf Baechle help 2388044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2389044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2390044505c7SPaul Burton its ability to start secondary CPUs. 23914a16ff4cSRalf Baechle 23925cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23935cac93b3SPaul Burton instead of this. 23945cac93b3SPaul Burton 23950ee958e1SPaul Burtonconfig MIPS_CPS 23960ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23975a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23980ee958e1SPaul Burton select MIPS_CM 23991d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24000ee958e1SPaul Burton select SMP 24010ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24021d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2403c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24040ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24050ee958e1SPaul Burton select WEAK_ORDERING 2406d8d3276bSWei Li select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU 24070ee958e1SPaul Burton help 24080ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24090ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24100ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24110ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24120ee958e1SPaul Burton support is unavailable. 24130ee958e1SPaul Burton 24143179d37eSPaul Burtonconfig MIPS_CPS_PM 241539a59593SMarkos Chandras depends on MIPS_CPS 24163179d37eSPaul Burton bool 24173179d37eSPaul Burton 24189f98f3ddSPaul Burtonconfig MIPS_CM 24199f98f3ddSPaul Burton bool 24203c9b4166SPaul Burton select MIPS_CPC 24219f98f3ddSPaul Burton 24229c38cf44SPaul Burtonconfig MIPS_CPC 24239c38cf44SPaul Burton bool 24242600990eSRalf Baechle 24251da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24261da177e4SLinus Torvalds bool 24271da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24281da177e4SLinus Torvalds default y 24291da177e4SLinus Torvalds 24301da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24311da177e4SLinus Torvalds bool 24321da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24331da177e4SLinus Torvalds default y 24341da177e4SLinus Torvalds 24359e2b5372SMarkos Chandraschoice 24369e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24379e2b5372SMarkos Chandras 24389e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24399e2b5372SMarkos Chandras bool "None" 24409e2b5372SMarkos Chandras help 24419e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24429e2b5372SMarkos Chandras 24439693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24449693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24459e2b5372SMarkos Chandras bool "SmartMIPS" 24469693a853SFranck Bui-Huu help 24479693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24489693a853SFranck Bui-Huu increased security at both hardware and software level for 24499693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24509693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24519693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24529693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24539693a853SFranck Bui-Huu here. 24549693a853SFranck Bui-Huu 2455bce86083SSteven J. Hillconfig CPU_MICROMIPS 24567fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24579e2b5372SMarkos Chandras bool "microMIPS" 2458bce86083SSteven J. Hill help 2459bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2460bce86083SSteven J. Hill microMIPS ISA 2461bce86083SSteven J. Hill 24629e2b5372SMarkos Chandrasendchoice 24639e2b5372SMarkos Chandras 2464a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24650ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2466a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2467c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24682a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2469a5e9a69eSPaul Burton help 2470a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2471a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24721db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24731db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24741db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24751db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24761db1af84SPaul Burton the size & complexity of your kernel. 2477a5e9a69eSPaul Burton 2478a5e9a69eSPaul Burton If unsure, say Y. 2479a5e9a69eSPaul Burton 24801da177e4SLinus Torvaldsconfig CPU_HAS_WB 2481f7062ddbSRalf Baechle bool 2482e01402b1SRalf Baechle 2483df0ac8a4SKevin Cernekeeconfig XKS01 2484df0ac8a4SKevin Cernekee bool 2485df0ac8a4SKevin Cernekee 2486ba9196d2SJiaxun Yangconfig CPU_HAS_DIEI 2487ba9196d2SJiaxun Yang depends on !CPU_DIEI_BROKEN 2488ba9196d2SJiaxun Yang bool 2489ba9196d2SJiaxun Yang 2490ba9196d2SJiaxun Yangconfig CPU_DIEI_BROKEN 2491ba9196d2SJiaxun Yang bool 2492ba9196d2SJiaxun Yang 24938256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24948256b17eSFlorian Fainelli bool 24958256b17eSFlorian Fainelli 249618d84e2eSAlexander Lobakinconfig CPU_NO_LOAD_STORE_LR 2497932afdeeSYasha Cherikovsky bool 2498932afdeeSYasha Cherikovsky help 249918d84e2eSAlexander Lobakin CPU lacks support for unaligned load and store instructions: 2500932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 250118d84e2eSAlexander Lobakin LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit 250218d84e2eSAlexander Lobakin systems). 2503932afdeeSYasha Cherikovsky 2504f41ae0b2SRalf Baechle# 2505f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2506f41ae0b2SRalf Baechle# 2507e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2508f41ae0b2SRalf Baechle bool 2509e01402b1SRalf Baechle 2510f41ae0b2SRalf Baechle# 2511f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2512f41ae0b2SRalf Baechle# 2513e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2514f41ae0b2SRalf Baechle bool 2515e01402b1SRalf Baechle 25161da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25171da177e4SLinus Torvalds bool 25181da177e4SLinus Torvalds depends on !CPU_R3000 25191da177e4SLinus Torvalds default y 25201da177e4SLinus Torvalds 25211da177e4SLinus Torvalds# 252220d60d99SMaciej W. Rozycki# CPU non-features 252320d60d99SMaciej W. Rozycki# 252420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 252520d60d99SMaciej W. Rozycki bool 252620d60d99SMaciej W. Rozycki 252720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 252820d60d99SMaciej W. Rozycki bool 252920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 253020d60d99SMaciej W. Rozycki 253120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 253220d60d99SMaciej W. Rozycki bool 253320d60d99SMaciej W. Rozycki 2534071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2535071d2f0bSPaul Burton bool 2536071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2537071d2f0bSPaul Burton 25384edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25394edf00a4SPaul Burton int 25404edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25414edf00a4SPaul Burton default 0 25424edf00a4SPaul Burton 25434edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25444edf00a4SPaul Burton int 25452db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25464edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25474edf00a4SPaul Burton default 8 25484edf00a4SPaul Burton 25492db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25502db003a5SPaul Burton bool 25512db003a5SPaul Burton 25524a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25534a5dc51eSMarcin Nowakowski bool 25544a5dc51eSMarcin Nowakowski 2555802b8362SThomas Bogendoerfer# R4600 erratum. Due to the lack of errata information the exact 2556802b8362SThomas Bogendoerfer# technical details aren't known. I've experimentally found that disabling 2557802b8362SThomas Bogendoerfer# interrupts during indexed I-cache flushes seems to be sufficient to deal 2558802b8362SThomas Bogendoerfer# with the issue. 2559802b8362SThomas Bogendoerferconfig WAR_R4600_V1_INDEX_ICACHEOP 2560802b8362SThomas Bogendoerfer bool 2561802b8362SThomas Bogendoerfer 25625e5b6527SThomas Bogendoerfer# Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata: 25635e5b6527SThomas Bogendoerfer# 25645e5b6527SThomas Bogendoerfer# 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D, 25655e5b6527SThomas Bogendoerfer# Hit_Invalidate_D and Create_Dirty_Excl_D should only be 25665e5b6527SThomas Bogendoerfer# executed if there is no other dcache activity. If the dcache is 256718ff14c8SColin Ian King# accessed for another instruction immediately preceding when these 25685e5b6527SThomas Bogendoerfer# cache instructions are executing, it is possible that the dcache 25695e5b6527SThomas Bogendoerfer# tag match outputs used by these cache instructions will be 25705e5b6527SThomas Bogendoerfer# incorrect. These cache instructions should be preceded by at least 25715e5b6527SThomas Bogendoerfer# four instructions that are not any kind of load or store 25725e5b6527SThomas Bogendoerfer# instruction. 25735e5b6527SThomas Bogendoerfer# 25745e5b6527SThomas Bogendoerfer# This is not allowed: lw 25755e5b6527SThomas Bogendoerfer# nop 25765e5b6527SThomas Bogendoerfer# nop 25775e5b6527SThomas Bogendoerfer# nop 25785e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25795e5b6527SThomas Bogendoerfer# 25805e5b6527SThomas Bogendoerfer# This is allowed: lw 25815e5b6527SThomas Bogendoerfer# nop 25825e5b6527SThomas Bogendoerfer# nop 25835e5b6527SThomas Bogendoerfer# nop 25845e5b6527SThomas Bogendoerfer# nop 25855e5b6527SThomas Bogendoerfer# cache Hit_Writeback_Invalidate_D 25865e5b6527SThomas Bogendoerferconfig WAR_R4600_V1_HIT_CACHEOP 25875e5b6527SThomas Bogendoerfer bool 25885e5b6527SThomas Bogendoerfer 258944def342SThomas Bogendoerfer# Writeback and invalidate the primary cache dcache before DMA. 259044def342SThomas Bogendoerfer# 259144def342SThomas Bogendoerfer# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D, 259244def342SThomas Bogendoerfer# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only 259344def342SThomas Bogendoerfer# operate correctly if the internal data cache refill buffer is empty. These 259444def342SThomas Bogendoerfer# CACHE instructions should be separated from any potential data cache miss 259544def342SThomas Bogendoerfer# by a load instruction to an uncached address to empty the response buffer." 259644def342SThomas Bogendoerfer# (Revision 2.0 device errata from IDT available on https://www.idt.com/ 259744def342SThomas Bogendoerfer# in .pdf format.) 259844def342SThomas Bogendoerferconfig WAR_R4600_V2_HIT_CACHEOP 259944def342SThomas Bogendoerfer bool 260044def342SThomas Bogendoerfer 260124a1c023SThomas Bogendoerfer# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for 260224a1c023SThomas Bogendoerfer# the line which this instruction itself exists, the following 260324a1c023SThomas Bogendoerfer# operation is not guaranteed." 260424a1c023SThomas Bogendoerfer# 260524a1c023SThomas Bogendoerfer# Workaround: do two phase flushing for Index_Invalidate_I 260624a1c023SThomas Bogendoerferconfig WAR_TX49XX_ICACHE_INDEX_INV 260724a1c023SThomas Bogendoerfer bool 260824a1c023SThomas Bogendoerfer 2609886ee136SThomas Bogendoerfer# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra 2610886ee136SThomas Bogendoerfer# opposes it being called that) where invalid instructions in the same 2611886ee136SThomas Bogendoerfer# I-cache line worth of instructions being fetched may case spurious 2612886ee136SThomas Bogendoerfer# exceptions. 2613886ee136SThomas Bogendoerferconfig WAR_ICACHE_REFILLS 2614886ee136SThomas Bogendoerfer bool 2615886ee136SThomas Bogendoerfer 2616256ec489SThomas Bogendoerfer# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that 2617256ec489SThomas Bogendoerfer# may cause ll / sc and lld / scd sequences to execute non-atomically. 2618256ec489SThomas Bogendoerferconfig WAR_R10000_LLSC 2619256ec489SThomas Bogendoerfer bool 2620256ec489SThomas Bogendoerfer 2621a7fbed98SThomas Bogendoerfer# 34K core erratum: "Problems Executing the TLBR Instruction" 2622a7fbed98SThomas Bogendoerferconfig WAR_MIPS34K_MISSED_ITLB 2623a7fbed98SThomas Bogendoerfer bool 2624a7fbed98SThomas Bogendoerfer 262520d60d99SMaciej W. Rozycki# 26261da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26271da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26281da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26291da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26301da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26311da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26321da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26331da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2634797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2635797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2636797798c1SRalf Baechle# support. 26371da177e4SLinus Torvalds# 26381da177e4SLinus Torvaldsconfig HIGHMEM 26391da177e4SLinus Torvalds bool "High Memory Support" 2640a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2641a4c33e83SThomas Gleixner select KMAP_LOCAL 2642797798c1SRalf Baechle 2643797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2644797798c1SRalf Baechle bool 2645797798c1SRalf Baechle 2646797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2647797798c1SRalf Baechle bool 26481da177e4SLinus Torvalds 26499693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26509693a853SFranck Bui-Huu bool 26519693a853SFranck Bui-Huu 2652a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2653a6a4834cSSteven J. Hill bool 2654a6a4834cSSteven J. Hill 2655377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2656377cb1b6SRalf Baechle bool 2657377cb1b6SRalf Baechle help 2658377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2659377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2660377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2661377cb1b6SRalf Baechle 2662a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2663a5e9a69eSPaul Burton bool 2664a5e9a69eSPaul Burton 2665b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2666b4819b59SYoichi Yuasa def_bool y 2667268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2668b4819b59SYoichi Yuasa 2669b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2670b1c6cd42SAtsushi Nemoto bool 2671397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 267231473747SAtsushi Nemoto 2673d8cb4e11SRalf Baechleconfig NUMA 2674d8cb4e11SRalf Baechle bool "NUMA Support" 2675d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2676cf8194e4STiezhu Yang select SMP 26777ecd19cfSKefeng Wang select HAVE_SETUP_PER_CPU_AREA 26787ecd19cfSKefeng Wang select NEED_PER_CPU_EMBED_FIRST_CHUNK 2679d8cb4e11SRalf Baechle help 2680d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2681d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2682d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2683172a37e9SRandy Dunlap leave it disabled; on single node systems leave this option 2684d8cb4e11SRalf Baechle disabled. 2685d8cb4e11SRalf Baechle 2686d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2687d8cb4e11SRalf Baechle bool 2688d8cb4e11SRalf Baechle 26898c530ea3SMatt Redfearnconfig RELOCATABLE 26908c530ea3SMatt Redfearn bool "Relocatable kernel" 2691ab7c01fdSSerge Semin depends on SYS_SUPPORTS_RELOCATABLE 2692ab7c01fdSSerge Semin depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \ 2693ab7c01fdSSerge Semin CPU_MIPS32_R5 || CPU_MIPS64_R5 || \ 2694ab7c01fdSSerge Semin CPU_MIPS32_R6 || CPU_MIPS64_R6 || \ 2695a307a4ceSJinyang He CPU_P5600 || CAVIUM_OCTEON_SOC || \ 2696a307a4ceSJinyang He CPU_LOONGSON64 26978c530ea3SMatt Redfearn help 26988c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26998c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 27008c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27018c530ea3SMatt Redfearn but are discarded at runtime 27028c530ea3SMatt Redfearn 2703069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2704069fd766SMatt Redfearn hex "Relocation table size" 2705069fd766SMatt Redfearn depends on RELOCATABLE 2706069fd766SMatt Redfearn range 0x0 0x01000000 2707a307a4ceSJinyang He default "0x00200000" if CPU_LOONGSON64 2708069fd766SMatt Redfearn default "0x00100000" 2709a7f7f624SMasahiro Yamada help 2710069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2711069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2712069fd766SMatt Redfearn 2713069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2714069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2715069fd766SMatt Redfearn 2716069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2717069fd766SMatt Redfearn 2718069fd766SMatt Redfearn If unsure, leave at the default value. 2719069fd766SMatt Redfearn 2720405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2721405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2722405bc8fdSMatt Redfearn depends on RELOCATABLE 2723a7f7f624SMasahiro Yamada help 2724405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2725405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2726405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2727405bc8fdSMatt Redfearn of kernel internals. 2728405bc8fdSMatt Redfearn 2729405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2730405bc8fdSMatt Redfearn 2731405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2732405bc8fdSMatt Redfearn 2733405bc8fdSMatt Redfearn If unsure, say N. 2734405bc8fdSMatt Redfearn 2735405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2736405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2737405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2738405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2739405bc8fdSMatt Redfearn range 0x0 0x08000000 2740405bc8fdSMatt Redfearn default "0x01000000" 2741a7f7f624SMasahiro Yamada help 2742405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2743405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2744405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2745405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2746405bc8fdSMatt Redfearn 2747405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2748405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2749405bc8fdSMatt Redfearn 2750c80d79d7SYasunori Gotoconfig NODES_SHIFT 2751c80d79d7SYasunori Goto int 2752c80d79d7SYasunori Goto default "6" 2753a9ee6cf5SMike Rapoport depends on NUMA 2754c80d79d7SYasunori Goto 275514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 275614f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 275795b8a5e0SThomas Bogendoerfer depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64) 275814f70012SDeng-Cheng Zhu default y 275914f70012SDeng-Cheng Zhu help 276014f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 276114f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 276214f70012SDeng-Cheng Zhu 2763be8fa1cbSTiezhu Yangconfig DMI 2764be8fa1cbSTiezhu Yang bool "Enable DMI scanning" 2765be8fa1cbSTiezhu Yang depends on MACH_LOONGSON64 2766be8fa1cbSTiezhu Yang select DMI_SCAN_MACHINE_NON_EFI_FALLBACK 2767be8fa1cbSTiezhu Yang default y 2768be8fa1cbSTiezhu Yang help 2769be8fa1cbSTiezhu Yang Enabled scanning of DMI to identify machine quirks. Say Y 2770be8fa1cbSTiezhu Yang here unless you have verified that your setup is not 2771be8fa1cbSTiezhu Yang affected by entries in the DMI blacklist. Required by PNP 2772be8fa1cbSTiezhu Yang BIOS code. 2773be8fa1cbSTiezhu Yang 27741da177e4SLinus Torvaldsconfig SMP 27751da177e4SLinus Torvalds bool "Multi-Processing support" 2776e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2777e73ea273SRalf Baechle help 27781da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27794a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27804a474157SRobert Graffham than one CPU, say Y. 27811da177e4SLinus Torvalds 27824a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27831da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27841da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27854a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27861da177e4SLinus Torvalds will run faster if you say N here. 27871da177e4SLinus Torvalds 27881da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27891da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27901da177e4SLinus Torvalds 279103502faaSAdrian Bunk See also the SMP-HOWTO available at 2792ef054ad3SAlexander A. Klimov <https://www.tldp.org/docs.html#howto>. 27931da177e4SLinus Torvalds 27941da177e4SLinus Torvalds If you don't know what to do here, say N. 27951da177e4SLinus Torvalds 27967840d618SMatt Redfearnconfig HOTPLUG_CPU 27977840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27987840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27997840d618SMatt Redfearn help 28007840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 28017840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 28027840d618SMatt Redfearn (Note: power management support will enable this option 28037840d618SMatt Redfearn automatically on SMP systems. ) 28047840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 28057840d618SMatt Redfearn 280687353d8aSRalf Baechleconfig SMP_UP 280787353d8aSRalf Baechle bool 280887353d8aSRalf Baechle 28094a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28104a16ff4cSRalf Baechle bool 28114a16ff4cSRalf Baechle 28120ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28130ee958e1SPaul Burton bool 28140ee958e1SPaul Burton 2815e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2816e73ea273SRalf Baechle bool 2817e73ea273SRalf Baechle 2818130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2819130e2fb7SRalf Baechle bool 2820130e2fb7SRalf Baechle 2821130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2822130e2fb7SRalf Baechle bool 2823130e2fb7SRalf Baechle 2824130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2825130e2fb7SRalf Baechle bool 2826130e2fb7SRalf Baechle 2827130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2828130e2fb7SRalf Baechle bool 2829130e2fb7SRalf Baechle 2830130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2831130e2fb7SRalf Baechle bool 2832130e2fb7SRalf Baechle 28331da177e4SLinus Torvaldsconfig NR_CPUS 2834a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2835a91796a9SJayachandran C range 2 256 28361da177e4SLinus Torvalds depends on SMP 2837130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2838130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2839130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2840130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2841130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28421da177e4SLinus Torvalds help 28431da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28441da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28451da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 284672ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 284772ede9b1SAtsushi Nemoto and 2 for all others. 28481da177e4SLinus Torvalds 28491da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 285072ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 285172ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 285272ede9b1SAtsushi Nemoto power of two. 28531da177e4SLinus Torvalds 2854399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2855399aaa25SAl Cooper bool 2856399aaa25SAl Cooper 28577820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28587820b84bSDavid Daney bool 28597820b84bSDavid Daney 28607820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28617820b84bSDavid Daney int 28627820b84bSDavid Daney depends on SMP 28637820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28647820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28657820b84bSDavid Daney 28661723b4a3SAtsushi Nemoto# 28671723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28681723b4a3SAtsushi Nemoto# 28691723b4a3SAtsushi Nemoto 28701723b4a3SAtsushi Nemotochoice 28711723b4a3SAtsushi Nemoto prompt "Timer frequency" 28721723b4a3SAtsushi Nemoto default HZ_250 28731723b4a3SAtsushi Nemoto help 28741723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28751723b4a3SAtsushi Nemoto 287667596573SPaul Burton config HZ_24 287767596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 287867596573SPaul Burton 28791723b4a3SAtsushi Nemoto config HZ_48 28800f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28811723b4a3SAtsushi Nemoto 28821723b4a3SAtsushi Nemoto config HZ_100 28831723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28841723b4a3SAtsushi Nemoto 28851723b4a3SAtsushi Nemoto config HZ_128 28861723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28871723b4a3SAtsushi Nemoto 28881723b4a3SAtsushi Nemoto config HZ_250 28891723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28901723b4a3SAtsushi Nemoto 28911723b4a3SAtsushi Nemoto config HZ_256 28921723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28931723b4a3SAtsushi Nemoto 28941723b4a3SAtsushi Nemoto config HZ_1000 28951723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28961723b4a3SAtsushi Nemoto 28971723b4a3SAtsushi Nemoto config HZ_1024 28981723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28991723b4a3SAtsushi Nemoto 29001723b4a3SAtsushi Nemotoendchoice 29011723b4a3SAtsushi Nemoto 290267596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 290367596573SPaul Burton bool 290467596573SPaul Burton 29051723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 29061723b4a3SAtsushi Nemoto bool 29071723b4a3SAtsushi Nemoto 29081723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29091723b4a3SAtsushi Nemoto bool 29101723b4a3SAtsushi Nemoto 29111723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29121723b4a3SAtsushi Nemoto bool 29131723b4a3SAtsushi Nemoto 29141723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29151723b4a3SAtsushi Nemoto bool 29161723b4a3SAtsushi Nemoto 29171723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29181723b4a3SAtsushi Nemoto bool 29191723b4a3SAtsushi Nemoto 29201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29211723b4a3SAtsushi Nemoto bool 29221723b4a3SAtsushi Nemoto 29231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29241723b4a3SAtsushi Nemoto bool 29251723b4a3SAtsushi Nemoto 29261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29271723b4a3SAtsushi Nemoto bool 292867596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 292967596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 293067596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 293167596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 293267596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 293367596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 293467596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29351723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29361723b4a3SAtsushi Nemoto 29371723b4a3SAtsushi Nemotoconfig HZ 29381723b4a3SAtsushi Nemoto int 293967596573SPaul Burton default 24 if HZ_24 29401723b4a3SAtsushi Nemoto default 48 if HZ_48 29411723b4a3SAtsushi Nemoto default 100 if HZ_100 29421723b4a3SAtsushi Nemoto default 128 if HZ_128 29431723b4a3SAtsushi Nemoto default 250 if HZ_250 29441723b4a3SAtsushi Nemoto default 256 if HZ_256 29451723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29461723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29471723b4a3SAtsushi Nemoto 294896685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 294996685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 295096685b17SDeng-Cheng Zhu 2951ea6e942bSAtsushi Nemotoconfig KEXEC 29527d60717eSKees Cook bool "Kexec system call" 29532965faa5SDave Young select KEXEC_CORE 2954ea6e942bSAtsushi Nemoto help 2955ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2956ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29573dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2958ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2959ea6e942bSAtsushi Nemoto 296001dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2961ea6e942bSAtsushi Nemoto 2962ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2963ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2964bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2965bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2966bf220695SGeert Uytterhoeven made. 2967ea6e942bSAtsushi Nemoto 29687aa1c8f4SRalf Baechleconfig CRASH_DUMP 29697aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29707aa1c8f4SRalf Baechle help 29717aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29727aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29737aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29747aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29757aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29767aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29777aa1c8f4SRalf Baechle PHYSICAL_START. 29787aa1c8f4SRalf Baechle 29797aa1c8f4SRalf Baechleconfig PHYSICAL_START 29807aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29818bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29827aa1c8f4SRalf Baechle depends on CRASH_DUMP 29837aa1c8f4SRalf Baechle help 29847aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29857aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29867aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29877aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29887aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29897aa1c8f4SRalf Baechle 2990597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2991b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2992597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2993597ce172SPaul Burton help 2994597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2995597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2996597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2997597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2998597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2999597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3000597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3001597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3002597ce172SPaul Burton saying N here. 3003597ce172SPaul Burton 300406e2e882SPaul Burton Although binutils currently supports use of this flag the details 300506e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 300618ff14c8SColin Ian King worked on. In order to avoid userland becoming dependent upon current 300706e2e882SPaul Burton behaviour before the details have been finalised, this option should 300806e2e882SPaul Burton be considered experimental and only enabled by those working upon 300906e2e882SPaul Burton said details. 301006e2e882SPaul Burton 301106e2e882SPaul Burton If unsure, say N. 3012597ce172SPaul Burton 3013f2ffa5abSDezhong Diaoconfig USE_OF 30140b3e06fdSJonas Gorski bool 3015f2ffa5abSDezhong Diao select OF 3016e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3017abd2363fSGrant Likely select IRQ_DOMAIN 3018f2ffa5abSDezhong Diao 30192fe8ea39SDengcheng Zhuconfig UHI_BOOT 30202fe8ea39SDengcheng Zhu bool 30212fe8ea39SDengcheng Zhu 30227fafb068SAndrew Brestickerconfig BUILTIN_DTB 30237fafb068SAndrew Bresticker bool 30247fafb068SAndrew Bresticker 30251da8f179SJonas Gorskichoice 30265b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30271da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30281da8f179SJonas Gorski 30291da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30301da8f179SJonas Gorski bool "None" 30311da8f179SJonas Gorski help 30321da8f179SJonas Gorski Do not enable appended dtb support. 30331da8f179SJonas Gorski 303487db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 303587db537dSAaro Koskinen bool "vmlinux" 303687db537dSAaro Koskinen help 303787db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 303887db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 303987db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 304087db537dSAaro Koskinen objcopy: 304187db537dSAaro Koskinen 304287db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 304387db537dSAaro Koskinen 304418ff14c8SColin Ian King This is meant as a backward compatibility convenience for those 304587db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 304687db537dSAaro Koskinen the documented boot protocol using a device tree. 304787db537dSAaro Koskinen 30481da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3049b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30501da8f179SJonas Gorski help 30511da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3052b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30531da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30541da8f179SJonas Gorski 30551da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30561da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30571da8f179SJonas Gorski the documented boot protocol using a device tree. 30581da8f179SJonas Gorski 30591da8f179SJonas Gorski Beware that there is very little in terms of protection against 30601da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30611da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30621da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30631da8f179SJonas Gorski if you don't intend to always append a DTB. 30641da8f179SJonas Gorskiendchoice 30651da8f179SJonas Gorski 30662024972eSJonas Gorskichoice 30672024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30682bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 306987fcfa7bSJiaxun Yang !MACH_LOONGSON64 && !MIPS_MALTA && \ 30702bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30712024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30722024972eSJonas Gorski 30732024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30742024972eSJonas Gorski depends on USE_OF 30752024972eSJonas Gorski bool "Dtb kernel arguments if available" 30762024972eSJonas Gorski 30772024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30782024972eSJonas Gorski depends on USE_OF 30792024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30802024972eSJonas Gorski 30812024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30822024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3083ed47e153SRabin Vincent 3084ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3085ed47e153SRabin Vincent depends on CMDLINE_BOOL 3086ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30872024972eSJonas Gorskiendchoice 30882024972eSJonas Gorski 30895e83d430SRalf Baechleendmenu 30905e83d430SRalf Baechle 30911df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30921df0f0ffSAtsushi Nemoto bool 30931df0f0ffSAtsushi Nemoto default y 30941df0f0ffSAtsushi Nemoto 30951df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30961df0f0ffSAtsushi Nemoto bool 30971df0f0ffSAtsushi Nemoto default y 30981df0f0ffSAtsushi Nemoto 3099a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3100a728ab52SKirill A. Shutemov int 31013377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 310241ce097fSHuang Pei default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48) 3103a728ab52SKirill A. Shutemov default 2 3104a728ab52SKirill A. Shutemov 31056c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31066c359eb1SPaul Burton bool 31076c359eb1SPaul Burton 31081da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31091da177e4SLinus Torvalds 3110c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31112eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3112c5611df9SPaul Burton bool 3113c5611df9SPaul Burton 3114c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3115c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3116c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31172eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31181da177e4SLinus Torvalds 31191da177e4SLinus Torvalds# 31201da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31211da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31221da177e4SLinus Torvalds# users to choose the right thing ... 31231da177e4SLinus Torvalds# 31241da177e4SLinus Torvaldsconfig ISA 31251da177e4SLinus Torvalds bool 31261da177e4SLinus Torvalds 31271da177e4SLinus Torvaldsconfig TC 31281da177e4SLinus Torvalds bool "TURBOchannel support" 31291da177e4SLinus Torvalds depends on MACH_DECSTATION 31301da177e4SLinus Torvalds help 313150a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 313250a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 313350a23e6eSJustin P. Mattock at: 313450a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 313550a23e6eSJustin P. Mattock and: 313650a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 313750a23e6eSJustin P. Mattock Linux driver support status is documented at: 313850a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31391da177e4SLinus Torvalds 31401da177e4SLinus Torvaldsconfig MMU 31411da177e4SLinus Torvalds bool 31421da177e4SLinus Torvalds default y 31431da177e4SLinus Torvalds 3144109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3145109c32ffSMatt Redfearn default 12 if 64BIT 3146109c32ffSMatt Redfearn default 8 3147109c32ffSMatt Redfearn 3148109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3149109c32ffSMatt Redfearn default 18 if 64BIT 3150109c32ffSMatt Redfearn default 15 3151109c32ffSMatt Redfearn 3152109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3153109c32ffSMatt Redfearn default 8 3154109c32ffSMatt Redfearn 3155109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3156109c32ffSMatt Redfearn default 15 3157109c32ffSMatt Redfearn 3158d865bea4SRalf Baechleconfig I8253 3159d865bea4SRalf Baechle bool 3160798778b8SRussell King select CLKSRC_I8253 31612d02612fSThomas Gleixner select CLKEVT_I8253 31629726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 31631da177e4SLinus Torvaldsendmenu 31641da177e4SLinus Torvalds 31651da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31661da177e4SLinus Torvalds bool 31671da177e4SLinus Torvalds 31681da177e4SLinus Torvaldsconfig MIPS32_COMPAT 316978aaf956SRalf Baechle bool 31701da177e4SLinus Torvalds 31711da177e4SLinus Torvaldsconfig COMPAT 31721da177e4SLinus Torvalds bool 31731da177e4SLinus Torvalds 317405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 317505e43966SAtsushi Nemoto bool 317605e43966SAtsushi Nemoto 31771da177e4SLinus Torvaldsconfig MIPS32_O32 31781da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 317978aaf956SRalf Baechle depends on 64BIT 318078aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 318178aaf956SRalf Baechle select COMPAT 318278aaf956SRalf Baechle select MIPS32_COMPAT 318378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31841da177e4SLinus Torvalds help 31851da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31861da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31871da177e4SLinus Torvalds existing binaries are in this format. 31881da177e4SLinus Torvalds 31891da177e4SLinus Torvalds If unsure, say Y. 31901da177e4SLinus Torvalds 31911da177e4SLinus Torvaldsconfig MIPS32_N32 31921da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3193c22eacfeSRalf Baechle depends on 64BIT 31945a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 319578aaf956SRalf Baechle select COMPAT 319678aaf956SRalf Baechle select MIPS32_COMPAT 319778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31981da177e4SLinus Torvalds help 31991da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32001da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32011da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32021da177e4SLinus Torvalds cases. 32031da177e4SLinus Torvalds 32041da177e4SLinus Torvalds If unsure, say N. 32051da177e4SLinus Torvalds 3206d49fc692SNathan Chancellorconfig CC_HAS_MNO_BRANCH_LIKELY 3207d49fc692SNathan Chancellor def_bool y 3208d49fc692SNathan Chancellor depends on $(cc-option,-mno-branch-likely) 3209d49fc692SNathan Chancellor 32102116245eSRalf Baechlemenu "Power management options" 3211952fa954SRodolfo Giometti 3212363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3213363c55caSWu Zhangjin def_bool y 32143f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3215363c55caSWu Zhangjin 3216f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3217f4cb5700SJohannes Berg def_bool y 32183f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3219f4cb5700SJohannes Berg 32202116245eSRalf Baechlesource "kernel/power/Kconfig" 3221952fa954SRodolfo Giometti 32221da177e4SLinus Torvaldsendmenu 32231da177e4SLinus Torvalds 32247a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32257a998935SViresh Kumar bool 32267a998935SViresh Kumar 32277a998935SViresh Kumarmenu "CPU Power Management" 3228c095ebafSPaul Burton 3229c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32307a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32317a998935SViresh Kumarendif 32329726b43aSWu Zhangjin 3233c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3234c095ebafSPaul Burton 3235c095ebafSPaul Burtonendmenu 3236c095ebafSPaul Burton 32372235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3238e91946d6SNathan Chancellor 3239e91946d6SNathan Chancellorsource "arch/mips/vdso/Kconfig" 3240