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 712597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 812597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 91e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 10a2ecb233SDmitry Korotin select ARCH_HAS_FORTIFY_SOURCE 1112597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 121ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1312597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1425da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 150b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 169035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 1712597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1812597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1912597988SMatt Redfearn select CLONE_BACKWARDS 2057eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2112597988SMatt Redfearn select CPU_PM if CPU_IDLE 2212597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2312597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2412597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2512597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2624640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 27b962aeb0SPaul Burton select GENERIC_IOMAP 2812597988SMatt Redfearn select GENERIC_IRQ_PROBE 2912597988SMatt Redfearn select GENERIC_IRQ_SHOW 306630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 31740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 32740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 33740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 34740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 35740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3612597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3712597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3812597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 39446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4012597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 41906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4212597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4388547001SJason Wessel select HAVE_ARCH_KGDB 44109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 45109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 46490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 47c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4845e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 492ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 50716850abSHassan Naveed select HAVE_EBPF_JIT if (!CPU_MICROMIPS) 5112597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 5212597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5364575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5412597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5512597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5612597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5712597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5812597988SMatt Redfearn select HAVE_EXIT_THREAD 5967a929e0SChristoph Hellwig select HAVE_FAST_GUP 6012597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6212597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6312597988SMatt Redfearn select HAVE_IDE 64b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6512597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6612597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 67c1bf207dSDavid Daney select HAVE_KPROBES 68c1bf207dSDavid Daney select HAVE_KRETPROBES 69c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 709d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 71786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7242a0bb3fSPetr Mladek select HAVE_NMI 7312597988SMatt Redfearn select HAVE_OPROFILE 7412597988SMatt Redfearn select HAVE_PERF_EVENTS 7508bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 769ea141adSPaul Burton select HAVE_RSEQ 77d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7812597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 79a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8024640f23SVincenzo Frascino select HAVE_GENERIC_VDSO 8112597988SMatt Redfearn select IRQ_FORCED_THREADING 826630a8e5SChristoph Hellwig select ISA if EISA 8312597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8412597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8512597988SMatt Redfearn select PERF_USE_VMALLOC 8605a0a344SArnd Bergmann select RTC_LIB 8712597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8812597988SMatt Redfearn select VIRT_TO_BUS 89d1af2ab3SPaul Burton select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 901da177e4SLinus Torvalds 911da177e4SLinus Torvaldsmenu "Machine selection" 921da177e4SLinus Torvalds 935e83d430SRalf Baechlechoice 945e83d430SRalf Baechle prompt "System type" 95d41e6858SMatt Redfearn default MIPS_GENERIC 961da177e4SLinus Torvalds 97eed0eabdSPaul Burtonconfig MIPS_GENERIC 98eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 99eed0eabdSPaul Burton select BOOT_RAW 100eed0eabdSPaul Burton select BUILTIN_DTB 101eed0eabdSPaul Burton select CEVT_R4K 102eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 103eed0eabdSPaul Burton select COMMON_CLK 104eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 105eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 106eed0eabdSPaul Burton select CSRC_R4K 107eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 108eb01d42aSChristoph Hellwig select HAVE_PCI 109eed0eabdSPaul Burton select IRQ_MIPS_CPU 110eed0eabdSPaul Burton select LIBFDT 1110211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 112eed0eabdSPaul Burton select MIPS_CPU_SCACHE 113eed0eabdSPaul Burton select MIPS_GIC 114eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 115eed0eabdSPaul Burton select NO_EXCEPT_FILL 116eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 117eed0eabdSPaul Burton select PINCTRL 118eed0eabdSPaul Burton select SMP_UP if SMP 119a3078e59SMatt Redfearn select SWAP_IO_SPACE 120eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 121eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 122eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 123eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 125eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 126eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 127eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 128eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 129eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 130eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 131eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 132eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 133eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 134eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 135eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 136eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1372e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1382e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1392e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1402e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1412e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1422e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 143eed0eabdSPaul Burton select USE_OF 1442fe8ea39SDengcheng Zhu select UHI_BOOT 145eed0eabdSPaul Burton help 146eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 147eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 148eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 149eed0eabdSPaul Burton Interface) specification. 150eed0eabdSPaul Burton 15142a4f17dSManuel Laussconfig MIPS_ALCHEMY 152c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 153d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 154f772cdb2SRalf Baechle select CEVT_R4K 155d7ea335cSSteven J. Hill select CSRC_R4K 15667e38cf2SRalf Baechle select IRQ_MIPS_CPU 15788e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15842a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15942a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 16042a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 161d30a2b47SLinus Walleij select GPIOLIB 1621b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16347440229SManuel Lauss select COMMON_CLK 1641da177e4SLinus Torvalds 1657ca5dc14SFlorian Fainelliconfig AR7 1667ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1677ca5dc14SFlorian Fainelli select BOOT_ELF32 1687ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1697ca5dc14SFlorian Fainelli select CEVT_R4K 1707ca5dc14SFlorian Fainelli select CSRC_R4K 17167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1727ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1737ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1747ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1757ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1767ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1777ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 178377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1791b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 180d30a2b47SLinus Walleij select GPIOLIB 1817ca5dc14SFlorian Fainelli select VLYNQ 1828551fb64SYoichi Yuasa select HAVE_CLK 1837ca5dc14SFlorian Fainelli help 1847ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1857ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1867ca5dc14SFlorian Fainelli 18743cc739fSSergey Ryazanovconfig ATH25 18843cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18943cc739fSSergey Ryazanov select CEVT_R4K 19043cc739fSSergey Ryazanov select CSRC_R4K 19143cc739fSSergey Ryazanov select DMA_NONCOHERENT 19267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1931753e74eSSergey Ryazanov select IRQ_DOMAIN 19443cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19543cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19643cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1978aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19843cc739fSSergey Ryazanov help 19943cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 20043cc739fSSergey Ryazanov 201d4a67d9dSGabor Juhosconfig ATH79 202d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 203ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 204d4a67d9dSGabor Juhos select BOOT_RAW 205d4a67d9dSGabor Juhos select CEVT_R4K 206d4a67d9dSGabor Juhos select CSRC_R4K 207d4a67d9dSGabor Juhos select DMA_NONCOHERENT 208d30a2b47SLinus Walleij select GPIOLIB 209a08227a2SJohn Crispin select PINCTRL 21094638067SGabor Juhos select HAVE_CLK 211411520afSAlban Bedel select COMMON_CLK 2122c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21367e38cf2SRalf Baechle select IRQ_MIPS_CPU 214d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 215d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 216d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 217d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 218377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 219b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 22003c8c407SAlban Bedel select USE_OF 22153d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 222d4a67d9dSGabor Juhos help 223d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 224d4a67d9dSGabor Juhos 2255f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2265f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 227d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 228d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 229d666cd02SKevin Cernekee select BOOT_RAW 230d666cd02SKevin Cernekee select NO_EXCEPT_FILL 231d666cd02SKevin Cernekee select USE_OF 232d666cd02SKevin Cernekee select CEVT_R4K 233d666cd02SKevin Cernekee select CSRC_R4K 234d666cd02SKevin Cernekee select SYNC_R4K 235d666cd02SKevin Cernekee select COMMON_CLK 236c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23760b858f2SKevin Cernekee select BCM7038_L1_IRQ 23860b858f2SKevin Cernekee select BCM7120_L2_IRQ 23960b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 24067e38cf2SRalf Baechle select IRQ_MIPS_CPU 24160b858f2SKevin Cernekee select DMA_NONCOHERENT 242d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24360b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 244d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 245d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24760b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24860b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 249d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 250d666cd02SKevin Cernekee select SWAP_IO_SPACE 25160b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25260b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25360b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25460b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2554dc4704cSJustin Chen select HARDIRQS_SW_RESEND 256d666cd02SKevin Cernekee help 2575f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2585f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2595f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2605f2d4459SKevin Cernekee must be set appropriately for your board. 261d666cd02SKevin Cernekee 2621c0c13ebSAurelien Jarnoconfig BCM47XX 263c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 264fe08f8c2SHauke Mehrtens select BOOT_RAW 26542f77542SRalf Baechle select CEVT_R4K 266940f6b48SRalf Baechle select CSRC_R4K 2671c0c13ebSAurelien Jarno select DMA_NONCOHERENT 268eb01d42aSChristoph Hellwig select HAVE_PCI 26967e38cf2SRalf Baechle select IRQ_MIPS_CPU 270314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 271dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2721c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2731c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 274377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2756507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27625e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 277e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 278c949c0bcSRafał Miłecki select GPIOLIB 279c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 280f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2812ab71a02SRafał Miłecki select BCM47XX_SPROM 282dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2831c0c13ebSAurelien Jarno help 2841c0c13ebSAurelien Jarno Support for BCM47XX based boards 2851c0c13ebSAurelien Jarno 286e7300d04SMaxime Bizonconfig BCM63XX 287e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 288ae8de61cSFlorian Fainelli select BOOT_RAW 289e7300d04SMaxime Bizon select CEVT_R4K 290e7300d04SMaxime Bizon select CSRC_R4K 291fc264022SJonas Gorski select SYNC_R4K 292e7300d04SMaxime Bizon select DMA_NONCOHERENT 29367e38cf2SRalf Baechle select IRQ_MIPS_CPU 294e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 295e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 296e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 297e7300d04SMaxime Bizon select SWAP_IO_SPACE 298d30a2b47SLinus Walleij select GPIOLIB 2993e82eeebSYoichi Yuasa select HAVE_CLK 300af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 301c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 302e7300d04SMaxime Bizon help 303e7300d04SMaxime Bizon Support for BCM63XX based boards 304e7300d04SMaxime Bizon 3051da177e4SLinus Torvaldsconfig MIPS_COBALT 3063fa986faSMartin Michlmayr bool "Cobalt Server" 30742f77542SRalf Baechle select CEVT_R4K 308940f6b48SRalf Baechle select CSRC_R4K 3091097c6acSYoichi Yuasa select CEVT_GT641XX 3101da177e4SLinus Torvalds select DMA_NONCOHERENT 311eb01d42aSChristoph Hellwig select FORCE_PCI 312d865bea4SRalf Baechle select I8253 3131da177e4SLinus Torvalds select I8259 31467e38cf2SRalf Baechle select IRQ_MIPS_CPU 315d5ab1a69SYoichi Yuasa select IRQ_GT641XX 316252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3177cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3180a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 319ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3200e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3215e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 322e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvaldsconfig MACH_DECSTATION 3253fa986faSMartin Michlmayr bool "DECstations" 3261da177e4SLinus Torvalds select BOOT_ELF32 3276457d9fcSYoichi Yuasa select CEVT_DS1287 32881d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3294247417dSYoichi Yuasa select CSRC_IOASIC 33081d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33120d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33220d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3341da177e4SLinus Torvalds select DMA_NONCOHERENT 335ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33667e38cf2SRalf Baechle select IRQ_MIPS_CPU 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3387cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 339ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3407d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3421723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3431723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3441723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 345930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3465e83d430SRalf Baechle help 3471da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3481da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3491da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3521da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds DECstation 5000/50 3551da177e4SLinus Torvalds DECstation 5000/150 3561da177e4SLinus Torvalds DECstation 5000/260 3571da177e4SLinus Torvalds DECsystem 5900/260 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds otherwise choose R3000. 3601da177e4SLinus Torvalds 3615e83d430SRalf Baechleconfig MACH_JAZZ 3623fa986faSMartin Michlmayr bool "Jazz family of machines" 36339b2d756SThomas Bogendoerfer select ARC_MEMORY 36439b2d756SThomas Bogendoerfer select ARC_PROMLIB 365a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3667a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3670e2794b0SRalf Baechle select FW_ARC 3680e2794b0SRalf Baechle select FW_ARC32 3695e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37042f77542SRalf Baechle select CEVT_R4K 371940f6b48SRalf Baechle select CSRC_R4K 372e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3735e83d430SRalf Baechle select GENERIC_ISA_DMA 3748a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37567e38cf2SRalf Baechle select IRQ_MIPS_CPU 376d865bea4SRalf Baechle select I8253 3775e83d430SRalf Baechle select I8259 3785e83d430SRalf Baechle select ISA 3797cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3805e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3817d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3821723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3831da177e4SLinus Torvalds help 3845e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3855e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 386692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3875e83d430SRalf Baechle Olivetti M700-10 workstations. 3885e83d430SRalf Baechle 389de361e8bSPaul Burtonconfig MACH_INGENIC 390de361e8bSPaul Burton bool "Ingenic SoC based machines" 3915ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3925ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 393f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 394b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3955ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39667e38cf2SRalf Baechle select IRQ_MIPS_CPU 39737b4c3caSPaul Cercueil select PINCTRL 398d30a2b47SLinus Walleij select GPIOLIB 399ff1930c6SPaul Burton select COMMON_CLK 40083bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40115205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 402ffb1843dSPaul Burton select USE_OF 4036ec127fbSPaul Burton select LIBFDT 4045ebabe59SLars-Peter Clausen 405171bb2f1SJohn Crispinconfig LANTIQ 406171bb2f1SJohn Crispin bool "Lantiq based platforms" 407171bb2f1SJohn Crispin select DMA_NONCOHERENT 40867e38cf2SRalf Baechle select IRQ_MIPS_CPU 409171bb2f1SJohn Crispin select CEVT_R4K 410171bb2f1SJohn Crispin select CSRC_R4K 411171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 412171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 413171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 414171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 415377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 416171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 417f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 418171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 419d30a2b47SLinus Walleij select GPIOLIB 420171bb2f1SJohn Crispin select SWAP_IO_SPACE 421171bb2f1SJohn Crispin select BOOT_RAW 422287e3f3fSJohn Crispin select CLKDEV_LOOKUP 423a0392222SJohn Crispin select USE_OF 4243f8c50c9SJohn Crispin select PINCTRL 4253f8c50c9SJohn Crispin select PINCTRL_LANTIQ 426c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 427c530781cSJohn Crispin select RESET_CONTROLLER 428171bb2f1SJohn Crispin 4291f21d2bdSBrian Murphyconfig LASAT 4301f21d2bdSBrian Murphy bool "LASAT Networks platforms" 43142f77542SRalf Baechle select CEVT_R4K 43216f0bbbcSRalf Baechle select CRC32 433940f6b48SRalf Baechle select CSRC_R4K 4341f21d2bdSBrian Murphy select DMA_NONCOHERENT 4351f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 436eb01d42aSChristoph Hellwig select HAVE_PCI 43767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4381f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4391f21d2bdSBrian Murphy select MIPS_NILE4 4401f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4411f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4421f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4431f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4441f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4451f21d2bdSBrian Murphy 44630ad29bbSHuacai Chenconfig MACH_LOONGSON32 44730ad29bbSHuacai Chen bool "Loongson-1 family of machines" 448c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 449ade299d8SYoichi Yuasa help 45030ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 45185749d24SWu Zhangjin 45230ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45330ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45430ad29bbSHuacai Chen Sciences (CAS). 455ade299d8SYoichi Yuasa 45671e2f4ddSJiaxun Yangconfig MACH_LOONGSON2EF 45771e2f4ddSJiaxun Yang bool "Loongson-2E/F family of machines" 458ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 459ca585cf9SKelvin Cheung help 46071e2f4ddSJiaxun Yang This enables the support of early Loongson-2E/F family of machines. 461ca585cf9SKelvin Cheung 46271e2f4ddSJiaxun Yangconfig MACH_LOONGSON64 46371e2f4ddSJiaxun Yang bool "Loongson-2/3 GSx64 family of machines" 4646fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4656fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4666fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4676fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4686fbde6b4SJiaxun Yang select BOOT_ELF32 4696fbde6b4SJiaxun Yang select BOARD_SCACHE 4706fbde6b4SJiaxun Yang select CSRC_R4K 4716fbde6b4SJiaxun Yang select CEVT_R4K 4726fbde6b4SJiaxun Yang select CPU_HAS_WB 4736fbde6b4SJiaxun Yang select FORCE_PCI 4746fbde6b4SJiaxun Yang select ISA 4756fbde6b4SJiaxun Yang select I8259 4766fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4776fbde6b4SJiaxun Yang select NR_CPUS_DEFAULT_4 4786fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4796fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4806fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4816fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4826fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4836fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4846fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4856fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4866fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 48771e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4886fbde6b4SJiaxun Yang select LOONGSON_MC146818 4896fbde6b4SJiaxun Yang select ZONE_DMA32 4906fbde6b4SJiaxun Yang select NUMA 49171e2f4ddSJiaxun Yang help 49271e2f4ddSJiaxun Yang This enables the support of Loongson-2/3 family of processors with 49371e2f4ddSJiaxun Yang GSx64 microarchitecture. 494ca585cf9SKelvin Cheung 4956a438309SAndrew Brestickerconfig MACH_PISTACHIO 4966a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4976a438309SAndrew Bresticker select BOOT_ELF32 4986a438309SAndrew Bresticker select BOOT_RAW 4996a438309SAndrew Bresticker select CEVT_R4K 5006a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5016a438309SAndrew Bresticker select COMMON_CLK 5026a438309SAndrew Bresticker select CSRC_R4K 503645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 504d30a2b47SLinus Walleij select GPIOLIB 50567e38cf2SRalf Baechle select IRQ_MIPS_CPU 5066a438309SAndrew Bresticker select LIBFDT 5076a438309SAndrew Bresticker select MFD_SYSCON 5086a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5096a438309SAndrew Bresticker select MIPS_GIC 5106a438309SAndrew Bresticker select PINCTRL 5116a438309SAndrew Bresticker select REGULATOR 5126a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5136a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5146a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5156a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5166a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 51741cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5186a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 519018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 520018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5216a438309SAndrew Bresticker select USE_OF 5226a438309SAndrew Bresticker help 5236a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5246a438309SAndrew Bresticker 5251da177e4SLinus Torvaldsconfig MIPS_MALTA 5263fa986faSMartin Michlmayr bool "MIPS Malta board" 52761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 528a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5297a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5301da177e4SLinus Torvalds select BOOT_ELF32 531fa71c960SRalf Baechle select BOOT_RAW 532e8823d26SPaul Burton select BUILTIN_DTB 53342f77542SRalf Baechle select CEVT_R4K 534fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 53542b002abSGuenter Roeck select COMMON_CLK 53647bf2b03SMaksym Kokhan select CSRC_R4K 537885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5381da177e4SLinus Torvalds select GENERIC_ISA_DMA 5398a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 540eb01d42aSChristoph Hellwig select HAVE_PCI 541d865bea4SRalf Baechle select I8253 5421da177e4SLinus Torvalds select I8259 54347bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 54447bf2b03SMaksym Kokhan select LIBFDT 5455e83d430SRalf Baechle select MIPS_BONITO64 5469318c51aSChris Dearman select MIPS_CPU_SCACHE 54747bf2b03SMaksym Kokhan select MIPS_GIC 548a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5495e83d430SRalf Baechle select MIPS_MSC 55047bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 551ecafe3e9SPaul Burton select SMP_UP if SMP 5521da177e4SLinus Torvalds select SWAP_IO_SPACE 5537cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5547cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 555bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 556c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 557575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5587cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5595d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 560575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5617cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5627cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 563ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 564ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5655e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 566c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5675e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 568424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 56947bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5700365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 571e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 572f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 57347bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5749693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 575f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5761b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 577e8823d26SPaul Burton select USE_OF 578abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5791da177e4SLinus Torvalds help 580f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5811da177e4SLinus Torvalds board. 5821da177e4SLinus Torvalds 5832572f00dSJoshua Hendersonconfig MACH_PIC32 5842572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5852572f00dSJoshua Henderson help 5862572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5872572f00dSJoshua Henderson 5882572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5892572f00dSJoshua Henderson microcontrollers. 5902572f00dSJoshua Henderson 591a83860c2SRalf Baechleconfig NEC_MARKEINS 592a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 593a83860c2SRalf Baechle select SOC_EMMA2RH 594eb01d42aSChristoph Hellwig select HAVE_PCI 595a83860c2SRalf Baechle help 596a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 597ade299d8SYoichi Yuasa 5985e83d430SRalf Baechleconfig MACH_VR41XX 59974142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 60042f77542SRalf Baechle select CEVT_R4K 601940f6b48SRalf Baechle select CSRC_R4K 6027cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 603377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 604d30a2b47SLinus Walleij select GPIOLIB 6055e83d430SRalf Baechle 606edb6310aSDaniel Lairdconfig NXP_STB220 607edb6310aSDaniel Laird bool "NXP STB220 board" 608edb6310aSDaniel Laird select SOC_PNX833X 609edb6310aSDaniel Laird help 610edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 611edb6310aSDaniel Laird 612edb6310aSDaniel Lairdconfig NXP_STB225 613edb6310aSDaniel Laird bool "NXP 225 board" 614edb6310aSDaniel Laird select SOC_PNX833X 615edb6310aSDaniel Laird select SOC_PNX8335 616edb6310aSDaniel Laird help 617edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 618edb6310aSDaniel Laird 6199267a30dSMarc St-Jeanconfig PMC_MSP 6209267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 62139d30c13SAnoop P A select CEVT_R4K 62239d30c13SAnoop P A select CSRC_R4K 6239267a30dSMarc St-Jean select DMA_NONCOHERENT 6249267a30dSMarc St-Jean select SWAP_IO_SPACE 6259267a30dSMarc St-Jean select NO_EXCEPT_FILL 6269267a30dSMarc St-Jean select BOOT_RAW 6279267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6289267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6299267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6309267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 631377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 63267e38cf2SRalf Baechle select IRQ_MIPS_CPU 6339267a30dSMarc St-Jean select SERIAL_8250 6349267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6359296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6369296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6379267a30dSMarc St-Jean help 6389267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6399267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6409267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6419267a30dSMarc St-Jean a variety of MIPS cores. 6429267a30dSMarc St-Jean 643ae2b5bb6SJohn Crispinconfig RALINK 644ae2b5bb6SJohn Crispin bool "Ralink based machines" 645ae2b5bb6SJohn Crispin select CEVT_R4K 646ae2b5bb6SJohn Crispin select CSRC_R4K 647ae2b5bb6SJohn Crispin select BOOT_RAW 648ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 64967e38cf2SRalf Baechle select IRQ_MIPS_CPU 650ae2b5bb6SJohn Crispin select USE_OF 651ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 652ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 653ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 654ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 655377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 656ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 657ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6582a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6592a153f1cSJohn Crispin select RESET_CONTROLLER 660ae2b5bb6SJohn Crispin 6611da177e4SLinus Torvaldsconfig SGI_IP22 6623fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 663c0de00b2SThomas Bogendoerfer select ARC_MEMORY 66439b2d756SThomas Bogendoerfer select ARC_PROMLIB 6650e2794b0SRalf Baechle select FW_ARC 6660e2794b0SRalf Baechle select FW_ARC32 6677a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6681da177e4SLinus Torvalds select BOOT_ELF32 66942f77542SRalf Baechle select CEVT_R4K 670940f6b48SRalf Baechle select CSRC_R4K 671e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6721da177e4SLinus Torvalds select DMA_NONCOHERENT 6736630a8e5SChristoph Hellwig select HAVE_EISA 674d865bea4SRalf Baechle select I8253 67568de4803SThomas Bogendoerfer select I8259 6761da177e4SLinus Torvalds select IP22_CPU_SCACHE 67767e38cf2SRalf Baechle select IRQ_MIPS_CPU 678aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 679e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 680e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 68136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 682e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 683e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 684e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6851da177e4SLinus Torvalds select SWAP_IO_SPACE 6867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6877cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 688c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 689ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 690ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6915e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 692930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6931da177e4SLinus Torvalds help 6941da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6951da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6961da177e4SLinus Torvalds that runs on these, say Y here. 6971da177e4SLinus Torvalds 6981da177e4SLinus Torvaldsconfig SGI_IP27 6993fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 70054aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 701397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7020e2794b0SRalf Baechle select FW_ARC 7030e2794b0SRalf Baechle select FW_ARC64 704e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7055e83d430SRalf Baechle select BOOT_ELF64 706e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 70736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 708eb01d42aSChristoph Hellwig select HAVE_PCI 70969a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 710e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 711130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 712a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 713a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7147cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 715ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7165e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 717d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7181a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 719930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7201da177e4SLinus Torvalds help 7211da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7221da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7231da177e4SLinus Torvalds here. 7241da177e4SLinus Torvalds 725e2defae5SThomas Bogendoerferconfig SGI_IP28 7267d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 727c0de00b2SThomas Bogendoerfer select ARC_MEMORY 72839b2d756SThomas Bogendoerfer select ARC_PROMLIB 7290e2794b0SRalf Baechle select FW_ARC 7300e2794b0SRalf Baechle select FW_ARC64 7317a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 732e2defae5SThomas Bogendoerfer select BOOT_ELF64 733e2defae5SThomas Bogendoerfer select CEVT_R4K 734e2defae5SThomas Bogendoerfer select CSRC_R4K 735e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 736e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 737e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 73867e38cf2SRalf Baechle select IRQ_MIPS_CPU 7396630a8e5SChristoph Hellwig select HAVE_EISA 740e2defae5SThomas Bogendoerfer select I8253 741e2defae5SThomas Bogendoerfer select I8259 742e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 743e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7445b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 745e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 746e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 747e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 748e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 749e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 750c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 751e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 752e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 753dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 754e2defae5SThomas Bogendoerfer help 755e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 756e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 757e2defae5SThomas Bogendoerfer 758*7505576dSThomas Bogendoerferconfig SGI_IP30 759*7505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 760*7505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 761*7505576dSThomas Bogendoerfer select FW_ARC 762*7505576dSThomas Bogendoerfer select FW_ARC64 763*7505576dSThomas Bogendoerfer select BOOT_ELF64 764*7505576dSThomas Bogendoerfer select CEVT_R4K 765*7505576dSThomas Bogendoerfer select CSRC_R4K 766*7505576dSThomas Bogendoerfer select SYNC_R4K if SMP 767*7505576dSThomas Bogendoerfer select ZONE_DMA32 768*7505576dSThomas Bogendoerfer select HAVE_PCI 769*7505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 770*7505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 771*7505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 772*7505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 773*7505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 774*7505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 775*7505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 776*7505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 777*7505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 778*7505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 779*7505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 780*7505576dSThomas Bogendoerfer select ARC_MEMORY 781*7505576dSThomas Bogendoerfer help 782*7505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 783*7505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 784*7505576dSThomas Bogendoerfer 7851da177e4SLinus Torvaldsconfig SGI_IP32 786cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 78739b2d756SThomas Bogendoerfer select ARC_MEMORY 78839b2d756SThomas Bogendoerfer select ARC_PROMLIB 78903df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7900e2794b0SRalf Baechle select FW_ARC 7910e2794b0SRalf Baechle select FW_ARC32 7921da177e4SLinus Torvalds select BOOT_ELF32 79342f77542SRalf Baechle select CEVT_R4K 794940f6b48SRalf Baechle select CSRC_R4K 7951da177e4SLinus Torvalds select DMA_NONCOHERENT 796eb01d42aSChristoph Hellwig select HAVE_PCI 79767e38cf2SRalf Baechle select IRQ_MIPS_CPU 7981da177e4SLinus Torvalds select R5000_CPU_SCACHE 7991da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8007cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8017cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8027cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 803dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 804ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8055e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8061da177e4SLinus Torvalds help 8071da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8081da177e4SLinus Torvalds 809ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 810ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8115e83d430SRalf Baechle select BOOT_ELF32 8125e83d430SRalf Baechle select SIBYTE_BCM1120 8135e83d430SRalf Baechle select SWAP_IO_SPACE 8147cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8175e83d430SRalf Baechle 818ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 819ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8205e83d430SRalf Baechle select BOOT_ELF32 8215e83d430SRalf Baechle select SIBYTE_BCM1120 8225e83d430SRalf Baechle select SWAP_IO_SPACE 8237cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8255e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8265e83d430SRalf Baechle 8275e83d430SRalf Baechleconfig SIBYTE_CRHONE 8283fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8295e83d430SRalf Baechle select BOOT_ELF32 8305e83d430SRalf Baechle select SIBYTE_BCM1125 8315e83d430SRalf Baechle select SWAP_IO_SPACE 8327cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8335e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8345e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8365e83d430SRalf Baechle 837ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 838ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 839ade299d8SYoichi Yuasa select BOOT_ELF32 840ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 841ade299d8SYoichi Yuasa select SWAP_IO_SPACE 842ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 843ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 844ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 845ade299d8SYoichi Yuasa 846ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 847ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 848ade299d8SYoichi Yuasa select BOOT_ELF32 849fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 850ade299d8SYoichi Yuasa select SIBYTE_SB1250 851ade299d8SYoichi Yuasa select SWAP_IO_SPACE 852ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 853ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 854ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 855ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 856cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 857e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 858ade299d8SYoichi Yuasa 859ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 860ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 861ade299d8SYoichi Yuasa select BOOT_ELF32 862fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 863ade299d8SYoichi Yuasa select SIBYTE_SB1250 864ade299d8SYoichi Yuasa select SWAP_IO_SPACE 865ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 866ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 867ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 868ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 869756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 870ade299d8SYoichi Yuasa 871ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 872ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 873ade299d8SYoichi Yuasa select BOOT_ELF32 874ade299d8SYoichi Yuasa select SIBYTE_SB1250 875ade299d8SYoichi Yuasa select SWAP_IO_SPACE 876ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 877ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 878ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 879e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 880ade299d8SYoichi Yuasa 881ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 882ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 883ade299d8SYoichi Yuasa select BOOT_ELF32 884ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 885ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 886ade299d8SYoichi Yuasa select SWAP_IO_SPACE 887ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 888ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 889651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 890ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 891cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 892e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 893ade299d8SYoichi Yuasa 89414b36af4SThomas Bogendoerferconfig SNI_RM 89514b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 89639b2d756SThomas Bogendoerfer select ARC_MEMORY 89739b2d756SThomas Bogendoerfer select ARC_PROMLIB 8980e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8990e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 900aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9015e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 902a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9037a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9045e83d430SRalf Baechle select BOOT_ELF32 90542f77542SRalf Baechle select CEVT_R4K 906940f6b48SRalf Baechle select CSRC_R4K 907e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9085e83d430SRalf Baechle select DMA_NONCOHERENT 9095e83d430SRalf Baechle select GENERIC_ISA_DMA 9106630a8e5SChristoph Hellwig select HAVE_EISA 9118a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 912eb01d42aSChristoph Hellwig select HAVE_PCI 91367e38cf2SRalf Baechle select IRQ_MIPS_CPU 914d865bea4SRalf Baechle select I8253 9155e83d430SRalf Baechle select I8259 9165e83d430SRalf Baechle select ISA 9174a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9187cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9194a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 920c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9214a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 92236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 923ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9247d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9254a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9265e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9275e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 9281da177e4SLinus Torvalds help 92914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9315e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9325e83d430SRalf Baechle support this machine type. 9331da177e4SLinus Torvalds 934edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 935edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9365e83d430SRalf Baechle 937edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 938edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 93923fbee9dSRalf Baechle 94073b4390fSRalf Baechleconfig MIKROTIK_RB532 94173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94273b4390fSRalf Baechle select CEVT_R4K 94373b4390fSRalf Baechle select CSRC_R4K 94473b4390fSRalf Baechle select DMA_NONCOHERENT 945eb01d42aSChristoph Hellwig select HAVE_PCI 94667e38cf2SRalf Baechle select IRQ_MIPS_CPU 94773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 94873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 94973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95073b4390fSRalf Baechle select SWAP_IO_SPACE 95173b4390fSRalf Baechle select BOOT_RAW 952d30a2b47SLinus Walleij select GPIOLIB 953930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95473b4390fSRalf Baechle help 95573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 95673b4390fSRalf Baechle based on the IDT RC32434 SoC. 95773b4390fSRalf Baechle 9589ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9599ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 960a86c7f72SDavid Daney select CEVT_R4K 961ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9621753d50cSChristoph Hellwig select HAVE_RAPIDIO 963d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 964a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 965a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 966f65aad41SRalf Baechle select EDAC_SUPPORT 967b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 96873569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 96973569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 970a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9715e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 972eb01d42aSChristoph Hellwig select HAVE_PCI 973f00e001eSDavid Daney select ZONE_DMA32 974465aaed0SDavid Daney select HOLES_IN_ZONE 975d30a2b47SLinus Walleij select GPIOLIB 9766e511163SDavid Daney select LIBFDT 9776e511163SDavid Daney select USE_OF 9786e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9796e511163SDavid Daney select SYS_SUPPORTS_SMP 9807820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9817820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 982e326479fSAndrew Bresticker select BUILTIN_DTB 9838c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 98409230cbcSChristoph Hellwig select SWIOTLB 9853ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 986a86c7f72SDavid Daney help 987a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 988a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 989a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 990a86c7f72SDavid Daney Some of the supported boards are: 991a86c7f72SDavid Daney EBT3000 992a86c7f72SDavid Daney EBH3000 993a86c7f72SDavid Daney EBH3100 994a86c7f72SDavid Daney Thunder 995a86c7f72SDavid Daney Kodama 996a86c7f72SDavid Daney Hikari 997a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 998a86c7f72SDavid Daney 9997f058e85SJayachandran Cconfig NLM_XLR_BOARD 10007f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10017f058e85SJayachandran C select BOOT_ELF32 10027f058e85SJayachandran C select NLM_COMMON 10037f058e85SJayachandran C select SYS_HAS_CPU_XLR 10047f058e85SJayachandran C select SYS_SUPPORTS_SMP 1005eb01d42aSChristoph Hellwig select HAVE_PCI 10067f058e85SJayachandran C select SWAP_IO_SPACE 10077f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10087f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1009d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10107f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10117f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10127f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10137f058e85SJayachandran C select CEVT_R4K 10147f058e85SJayachandran C select CSRC_R4K 101567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1016b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10177f058e85SJayachandran C select SYNC_R4K 10187f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10198f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10208f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10217f058e85SJayachandran C help 10227f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10237f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10247f058e85SJayachandran C 10251c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10261c773ea4SJayachandran C bool "Netlogic XLP based systems" 10271c773ea4SJayachandran C select BOOT_ELF32 10281c773ea4SJayachandran C select NLM_COMMON 10291c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10301c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1031eb01d42aSChristoph Hellwig select HAVE_PCI 10321c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10331c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1034d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1035d30a2b47SLinus Walleij select GPIOLIB 10361c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10371c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10381c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10391c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10401c773ea4SJayachandran C select CEVT_R4K 10411c773ea4SJayachandran C select CSRC_R4K 104267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1043b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10441c773ea4SJayachandran C select SYNC_R4K 10451c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10462f6528e1SJayachandran C select USE_OF 10478f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10488f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10491c773ea4SJayachandran C help 10501c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10511c773ea4SJayachandran C Say Y here if you have a XLP based board. 10521c773ea4SJayachandran C 10539bc463beSDavid Daneyconfig MIPS_PARAVIRT 10549bc463beSDavid Daney bool "Para-Virtualized guest system" 10559bc463beSDavid Daney select CEVT_R4K 10569bc463beSDavid Daney select CSRC_R4K 10579bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10589bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10599bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10609bc463beSDavid Daney select SYS_SUPPORTS_SMP 10619bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10629bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10639bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10649bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10659bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1066eb01d42aSChristoph Hellwig select HAVE_PCI 10679bc463beSDavid Daney select SWAP_IO_SPACE 10689bc463beSDavid Daney help 10699bc463beSDavid Daney This option supports guest running under ???? 10709bc463beSDavid Daney 10711da177e4SLinus Torvaldsendchoice 10721da177e4SLinus Torvalds 1073e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10743b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1075d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1076a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1077e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10788945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1079eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10805e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10815ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10828ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10831f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10842572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1085af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10860f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1087ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 108829c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 108938b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109022b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10915e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1092a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 109371e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 109430ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 109530ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10967f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1097ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 109838b18f72SRalf Baechle 10995e83d430SRalf Baechleendmenu 11005e83d430SRalf Baechle 11013c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11023c9ee7efSAkinobu Mita bool 11033c9ee7efSAkinobu Mita default y 11043c9ee7efSAkinobu Mita 11051da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11061da177e4SLinus Torvalds bool 11071da177e4SLinus Torvalds default y 11081da177e4SLinus Torvalds 1109ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11101cc89038SAtsushi Nemoto bool 11111cc89038SAtsushi Nemoto default y 11121cc89038SAtsushi Nemoto 11131da177e4SLinus Torvalds# 11141da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11151da177e4SLinus Torvalds# 11160e2794b0SRalf Baechleconfig FW_ARC 11171da177e4SLinus Torvalds bool 11181da177e4SLinus Torvalds 111961ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112061ed242dSRalf Baechle bool 112161ed242dSRalf Baechle 11229267a30dSMarc St-Jeanconfig BOOT_RAW 11239267a30dSMarc St-Jean bool 11249267a30dSMarc St-Jean 1125217dd11eSRalf Baechleconfig CEVT_BCM1480 1126217dd11eSRalf Baechle bool 1127217dd11eSRalf Baechle 11286457d9fcSYoichi Yuasaconfig CEVT_DS1287 11296457d9fcSYoichi Yuasa bool 11306457d9fcSYoichi Yuasa 11311097c6acSYoichi Yuasaconfig CEVT_GT641XX 11321097c6acSYoichi Yuasa bool 11331097c6acSYoichi Yuasa 113442f77542SRalf Baechleconfig CEVT_R4K 113542f77542SRalf Baechle bool 113642f77542SRalf Baechle 1137217dd11eSRalf Baechleconfig CEVT_SB1250 1138217dd11eSRalf Baechle bool 1139217dd11eSRalf Baechle 1140229f773eSAtsushi Nemotoconfig CEVT_TXX9 1141229f773eSAtsushi Nemoto bool 1142229f773eSAtsushi Nemoto 1143217dd11eSRalf Baechleconfig CSRC_BCM1480 1144217dd11eSRalf Baechle bool 1145217dd11eSRalf Baechle 11464247417dSYoichi Yuasaconfig CSRC_IOASIC 11474247417dSYoichi Yuasa bool 11484247417dSYoichi Yuasa 1149940f6b48SRalf Baechleconfig CSRC_R4K 1150940f6b48SRalf Baechle bool 1151940f6b48SRalf Baechle 1152217dd11eSRalf Baechleconfig CSRC_SB1250 1153217dd11eSRalf Baechle bool 1154217dd11eSRalf Baechle 1155a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1156a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1157a7f4df4eSAlex Smith 1158a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1159d30a2b47SLinus Walleij select GPIOLIB 1160a9aec7feSAtsushi Nemoto bool 1161a9aec7feSAtsushi Nemoto 11620e2794b0SRalf Baechleconfig FW_CFE 1163df78b5c8SAurelien Jarno bool 1164df78b5c8SAurelien Jarno 116540e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 116640e084a5SRalf Baechle bool 116740e084a5SRalf Baechle 1168885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1169f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1170885014bcSFelix Fietkau select DMA_NONCOHERENT 1171885014bcSFelix Fietkau bool 1172885014bcSFelix Fietkau 117320d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 117420d33064SPaul Burton bool 1175347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11765748e1b3SChristoph Hellwig select DMA_NONCOHERENT 117720d33064SPaul Burton 11781da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11791da177e4SLinus Torvalds bool 1180db91427bSChristoph Hellwig # 1181db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1182db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1183db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1184db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1185db91427bSChristoph Hellwig # significant advantages. 1186db91427bSChristoph Hellwig # 1187419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1188f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11892ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1190e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 119158b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1192f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11934ce588cdSRalf Baechle 119436a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11951da177e4SLinus Torvalds bool 11961da177e4SLinus Torvalds 11971b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1198dbb74540SRalf Baechle bool 1199dbb74540SRalf Baechle 12001da177e4SLinus Torvaldsconfig MIPS_BONITO64 12011da177e4SLinus Torvalds bool 12021da177e4SLinus Torvalds 12031da177e4SLinus Torvaldsconfig MIPS_MSC 12041da177e4SLinus Torvalds bool 12051da177e4SLinus Torvalds 12061f21d2bdSBrian Murphyconfig MIPS_NILE4 12071f21d2bdSBrian Murphy bool 12081f21d2bdSBrian Murphy 120939b8d525SRalf Baechleconfig SYNC_R4K 121039b8d525SRalf Baechle bool 121139b8d525SRalf Baechle 1212487d70d0SGabor Juhosconfig MIPS_MACHINE 1213487d70d0SGabor Juhos def_bool n 1214487d70d0SGabor Juhos 1215ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1216d388d685SMaciej W. Rozycki def_bool n 1217d388d685SMaciej W. Rozycki 12184e0748f5SMarkos Chandrasconfig GENERIC_CSUM 12194e0748f5SMarkos Chandras bool 1220932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 12214e0748f5SMarkos Chandras 12228313da30SRalf Baechleconfig GENERIC_ISA_DMA 12238313da30SRalf Baechle bool 12248313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1225a35bee8aSNamhyung Kim select ISA_DMA_API 12268313da30SRalf Baechle 1227aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1228aa414dffSRalf Baechle bool 12298313da30SRalf Baechle select GENERIC_ISA_DMA 1230aa414dffSRalf Baechle 1231a35bee8aSNamhyung Kimconfig ISA_DMA_API 1232a35bee8aSNamhyung Kim bool 1233a35bee8aSNamhyung Kim 1234465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1235465aaed0SDavid Daney bool 1236465aaed0SDavid Daney 12378c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12388c530ea3SMatt Redfearn bool 12398c530ea3SMatt Redfearn help 12408c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12418c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12428c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12438c530ea3SMatt Redfearn 1244f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1245f381bf6dSDavid Daney def_bool y 1246f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1247f381bf6dSDavid Daney 1248f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1249f381bf6dSDavid Daney def_bool y 1250f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1251f381bf6dSDavid Daney 1252f381bf6dSDavid Daney 12535e83d430SRalf Baechle# 12546b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12555e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12565e83d430SRalf Baechle# choice statement should be more obvious to the user. 12575e83d430SRalf Baechle# 12585e83d430SRalf Baechlechoice 12596b2aac42SMasanari Iida prompt "Endianness selection" 12601da177e4SLinus Torvalds help 12611da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12625e83d430SRalf Baechle byte order. These modes require different kernels and a different 12633cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12645e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12653dde6ad8SDavid Sterba one or the other endianness. 12665e83d430SRalf Baechle 12675e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12685e83d430SRalf Baechle bool "Big endian" 12695e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12705e83d430SRalf Baechle 12715e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12725e83d430SRalf Baechle bool "Little endian" 12735e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12745e83d430SRalf Baechle 12755e83d430SRalf Baechleendchoice 12765e83d430SRalf Baechle 127722b0763aSDavid Daneyconfig EXPORT_UASM 127822b0763aSDavid Daney bool 127922b0763aSDavid Daney 12802116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12812116245eSRalf Baechle bool 12822116245eSRalf Baechle 12835e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12845e83d430SRalf Baechle bool 12855e83d430SRalf Baechle 12865e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12875e83d430SRalf Baechle bool 12881da177e4SLinus Torvalds 12899cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12909cffd154SDavid Daney bool 129145e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12929cffd154SDavid Daney default y 12939cffd154SDavid Daney 1294aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1295aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1296aa1762f4SDavid Daney 12971da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12981da177e4SLinus Torvalds bool 12991da177e4SLinus Torvalds 13009267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 13019267a30dSMarc St-Jean bool 13029267a30dSMarc St-Jean 13039267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 13049267a30dSMarc St-Jean bool 13059267a30dSMarc St-Jean 13068420fd00SAtsushi Nemotoconfig IRQ_TXX9 13078420fd00SAtsushi Nemoto bool 13088420fd00SAtsushi Nemoto 1309d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1310d5ab1a69SYoichi Yuasa bool 1311d5ab1a69SYoichi Yuasa 1312252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13131da177e4SLinus Torvalds bool 13141da177e4SLinus Torvalds 1315a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1316a57140e9SThomas Bogendoerfer bool 1317a57140e9SThomas Bogendoerfer 13189267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13199267a30dSMarc St-Jean bool 13209267a30dSMarc St-Jean 1321a83860c2SRalf Baechleconfig SOC_EMMA2RH 1322a83860c2SRalf Baechle bool 1323a83860c2SRalf Baechle select CEVT_R4K 1324a83860c2SRalf Baechle select CSRC_R4K 1325a83860c2SRalf Baechle select DMA_NONCOHERENT 132667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1327a83860c2SRalf Baechle select SWAP_IO_SPACE 1328a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1329a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1330a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1331a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1332a83860c2SRalf Baechle 1333edb6310aSDaniel Lairdconfig SOC_PNX833X 1334edb6310aSDaniel Laird bool 1335edb6310aSDaniel Laird select CEVT_R4K 1336edb6310aSDaniel Laird select CSRC_R4K 133767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1338edb6310aSDaniel Laird select DMA_NONCOHERENT 1339edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1340edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1341edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1342edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1343377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1344edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1345edb6310aSDaniel Laird 1346edb6310aSDaniel Lairdconfig SOC_PNX8335 1347edb6310aSDaniel Laird bool 1348edb6310aSDaniel Laird select SOC_PNX833X 1349edb6310aSDaniel Laird 1350a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1351a7e07b1aSMarkos Chandras bool 1352a7e07b1aSMarkos Chandras 13531da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13541da177e4SLinus Torvalds bool 13551da177e4SLinus Torvalds 1356e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1357e2defae5SThomas Bogendoerfer bool 1358e2defae5SThomas Bogendoerfer 13595b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13605b438c44SThomas Bogendoerfer bool 13615b438c44SThomas Bogendoerfer 1362e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1363e2defae5SThomas Bogendoerfer bool 1364e2defae5SThomas Bogendoerfer 1365e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1366e2defae5SThomas Bogendoerfer bool 1367e2defae5SThomas Bogendoerfer 1368e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1369e2defae5SThomas Bogendoerfer bool 1370e2defae5SThomas Bogendoerfer 1371e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1372e2defae5SThomas Bogendoerfer bool 1373e2defae5SThomas Bogendoerfer 1374e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1375e2defae5SThomas Bogendoerfer bool 1376e2defae5SThomas Bogendoerfer 13770e2794b0SRalf Baechleconfig FW_ARC32 13785e83d430SRalf Baechle bool 13795e83d430SRalf Baechle 1380aaa9fad3SPaul Bolleconfig FW_SNIPROM 1381231a35d3SThomas Bogendoerfer bool 1382231a35d3SThomas Bogendoerfer 13831da177e4SLinus Torvaldsconfig BOOT_ELF32 13841da177e4SLinus Torvalds bool 13851da177e4SLinus Torvalds 1386930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1387930beb5aSFlorian Fainelli bool 1388930beb5aSFlorian Fainelli 1389930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1390930beb5aSFlorian Fainelli bool 1391930beb5aSFlorian Fainelli 1392930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1393930beb5aSFlorian Fainelli bool 1394930beb5aSFlorian Fainelli 1395930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1396930beb5aSFlorian Fainelli bool 1397930beb5aSFlorian Fainelli 13981da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13991da177e4SLinus Torvalds int 1400a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 14015432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 14025432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 14035432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 14041da177e4SLinus Torvalds default "5" 14051da177e4SLinus Torvalds 14061da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 14071da177e4SLinus Torvalds bool 14081da177e4SLinus Torvalds 1409e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1410e9422427SThomas Bogendoerfer bool 1411e9422427SThomas Bogendoerfer 14121da177e4SLinus Torvaldsconfig ARC_CONSOLE 14131da177e4SLinus Torvalds bool "ARC console support" 1414e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 14151da177e4SLinus Torvalds 14161da177e4SLinus Torvaldsconfig ARC_MEMORY 14171da177e4SLinus Torvalds bool 14181da177e4SLinus Torvalds 14191da177e4SLinus Torvaldsconfig ARC_PROMLIB 14201da177e4SLinus Torvalds bool 14211da177e4SLinus Torvalds 14220e2794b0SRalf Baechleconfig FW_ARC64 14231da177e4SLinus Torvalds bool 14241da177e4SLinus Torvalds 14251da177e4SLinus Torvaldsconfig BOOT_ELF64 14261da177e4SLinus Torvalds bool 14271da177e4SLinus Torvalds 14281da177e4SLinus Torvaldsmenu "CPU selection" 14291da177e4SLinus Torvalds 14301da177e4SLinus Torvaldschoice 14311da177e4SLinus Torvalds prompt "CPU type" 14321da177e4SLinus Torvalds default CPU_R4X00 14331da177e4SLinus Torvalds 1434268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1435268a2d60SJiaxun Yang bool "Loongson GSx64 CPU" 1436268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1437d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 14380e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14390e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14400e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14417507445bSHuacai Chen select CPU_SUPPORTS_MSA 1442932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 14430e476d91SHuacai Chen select WEAK_ORDERING 14440e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14457507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1446b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 144717c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1448d30a2b47SLinus Walleij select GPIOLIB 144909230cbcSChristoph Hellwig select SWIOTLB 14500e476d91SHuacai Chen help 1451268a2d60SJiaxun Yang The Loongson GSx64 series of processor cores implements the 1452268a2d60SJiaxun Yang MIPS64R2 instruction set with many extensions. 14530e476d91SHuacai Chen 1454268a2d60SJiaxun Yangconfig LOONGSON64_ENHANCEMENT 1455268a2d60SJiaxun Yang bool "New Loongson GSx64E CPU Enhancements" 14561e820da3SHuacai Chen default n 14571e820da3SHuacai Chen select CPU_MIPSR2 14581e820da3SHuacai Chen select CPU_HAS_PREFETCH 1459268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14601e820da3SHuacai Chen help 1461268a2d60SJiaxun Yang New Loongson GSx64E cores (since Loongson-3A R2, as opposed to Loongson-3A 14621e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1463268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14641e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14651e820da3SHuacai Chen Fast TLB refill support, etc. 14661e820da3SHuacai Chen 14671e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14681e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14691e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14701e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14711e820da3SHuacai Chen 1472e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1473e02e07e3SHuacai Chen bool "Old Loongson 3 LLSC Workarounds" 1474e02e07e3SHuacai Chen default y if SMP 1475268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1476e02e07e3SHuacai Chen help 1477e02e07e3SHuacai Chen Loongson 3 processors have the llsc issues which require workarounds. 1478e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1479e02e07e3SHuacai Chen 1480e02e07e3SHuacai Chen Newer Loongson 3 will fix these issues and no workarounds are needed. 1481e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1482e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1483e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1484e02e07e3SHuacai Chen 1485e02e07e3SHuacai Chen If unsure, please say Y. 1486e02e07e3SHuacai Chen 14873702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14883702bba5SWu Zhangjin bool "Loongson 2E" 14893702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1490268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14912a21c730SFuxin Zhang help 14922a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14932a21c730SFuxin Zhang with many extensions. 14942a21c730SFuxin Zhang 149525985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14966f7a251aSWu Zhangjin bonito64. 14976f7a251aSWu Zhangjin 14986f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14996f7a251aSWu Zhangjin bool "Loongson 2F" 15006f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1501268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1502d30a2b47SLinus Walleij select GPIOLIB 15036f7a251aSWu Zhangjin help 15046f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 15056f7a251aSWu Zhangjin with many extensions. 15066f7a251aSWu Zhangjin 15076f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 15086f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 15096f7a251aSWu Zhangjin Loongson2E. 15106f7a251aSWu Zhangjin 1511ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1512ca585cf9SKelvin Cheung bool "Loongson 1B" 1513ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1514ca585cf9SKelvin Cheung select CPU_LOONGSON1 15159ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1516ca585cf9SKelvin Cheung help 1517ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1518968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1519968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1520ca585cf9SKelvin Cheung 152112e3280bSYang Lingconfig CPU_LOONGSON1C 152212e3280bSYang Ling bool "Loongson 1C" 152312e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 152412e3280bSYang Ling select CPU_LOONGSON1 152512e3280bSYang Ling select LEDS_GPIO_REGISTER 152612e3280bSYang Ling help 152712e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1528968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1529968dc5a0S谢致邦 (XIE Zhibang) instruction set. 153012e3280bSYang Ling 15316e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15326e760c8dSRalf Baechle bool "MIPS32 Release 1" 15337cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15346e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1535932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1536797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1537ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15386e760c8dSRalf Baechle help 15395e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15401e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15411e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15421e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15431e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15441e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15451e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15461e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15471e5f1caaSRalf Baechle performance. 15481e5f1caaSRalf Baechle 15491e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15501e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15517cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15521e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1553932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1554797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1555ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1556a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15572235a54dSSanjay Lal select HAVE_KVM 15581e5f1caaSRalf Baechle help 15595e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15606e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15616e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15626e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15636e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15641da177e4SLinus Torvalds 15657fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1566674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15677fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15687fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15697fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15707fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15717fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15727fd08ca5SLeonid Yegoshin select HAVE_KVM 15737fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15747fd08ca5SLeonid Yegoshin help 15757fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15767fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15777fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15787fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15797fd08ca5SLeonid Yegoshin 15806e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15816e760c8dSRalf Baechle bool "MIPS64 Release 1" 15827cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1583797798c1SRalf Baechle select CPU_HAS_PREFETCH 1584932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1585ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1586ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1587ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15889cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15896e760c8dSRalf Baechle help 15906e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15916e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15926e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15936e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15946e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15951e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15961e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15971e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15981e5f1caaSRalf Baechle performance. 15991e5f1caaSRalf Baechle 16001e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 16011e5f1caaSRalf Baechle bool "MIPS64 Release 2" 16027cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1603797798c1SRalf Baechle select CPU_HAS_PREFETCH 1604932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16051e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16061e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1607ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16089cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1609a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 161040a2df49SJames Hogan select HAVE_KVM 16111e5f1caaSRalf Baechle help 16121e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16131e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16141e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16151e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16161e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16171da177e4SLinus Torvalds 16187fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1619674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16207fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16217fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 16227fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16237fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16247fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1625afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16267fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16272e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 162840a2df49SJames Hogan select HAVE_KVM 16297fd08ca5SLeonid Yegoshin help 16307fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16317fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16327fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16337fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16347fd08ca5SLeonid Yegoshin 16351da177e4SLinus Torvaldsconfig CPU_R3000 16361da177e4SLinus Torvalds bool "R3000" 16377cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1638f7062ddbSRalf Baechle select CPU_HAS_WB 1639932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 164054746829SPaul Burton select CPU_R3K_TLB 1641ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1642797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16431da177e4SLinus Torvalds help 16441da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16451da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16461da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16471da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16481da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16491da177e4SLinus Torvalds try to recompile with R3000. 16501da177e4SLinus Torvalds 16511da177e4SLinus Torvaldsconfig CPU_TX39XX 16521da177e4SLinus Torvalds bool "R39XX" 16537cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1654ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1655932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 165654746829SPaul Burton select CPU_R3K_TLB 16571da177e4SLinus Torvalds 16581da177e4SLinus Torvaldsconfig CPU_VR41XX 16591da177e4SLinus Torvalds bool "R41xx" 16607cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1662ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1663932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16641da177e4SLinus Torvalds help 16655e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16661da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16671da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16681da177e4SLinus Torvalds processor or vice versa. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvaldsconfig CPU_R4X00 16711da177e4SLinus Torvalds bool "R4x00" 16727cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1674ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1675970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1676932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16771da177e4SLinus Torvalds help 16781da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16791da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvaldsconfig CPU_TX49XX 16821da177e4SLinus Torvalds bool "R49XX" 16837cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1684de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1685932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1686ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1687ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1688970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16891da177e4SLinus Torvalds 16901da177e4SLinus Torvaldsconfig CPU_R5000 16911da177e4SLinus Torvalds bool "R5000" 16927cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1693ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1694ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1695970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1696932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16971da177e4SLinus Torvalds help 16981da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16991da177e4SLinus Torvalds 1700542c1020SShinya Kuribayashiconfig CPU_R5500 1701542c1020SShinya Kuribayashi bool "R5500" 1702542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1703542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1704542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17059cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1706932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1707542c1020SShinya Kuribayashi help 1708542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1709542c1020SShinya Kuribayashi instruction set. 1710542c1020SShinya Kuribayashi 17111da177e4SLinus Torvaldsconfig CPU_NEVADA 17121da177e4SLinus Torvalds bool "RM52xx" 17137cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1714ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1715ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1716970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1717932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17181da177e4SLinus Torvalds help 17191da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17201da177e4SLinus Torvalds 17211da177e4SLinus Torvaldsconfig CPU_R10000 17221da177e4SLinus Torvalds bool "R10000" 17237cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17245e83d430SRalf Baechle select CPU_HAS_PREFETCH 1725932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1726ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1727ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1728797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1729970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17301da177e4SLinus Torvalds help 17311da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17321da177e4SLinus Torvalds 17331da177e4SLinus Torvaldsconfig CPU_RM7000 17341da177e4SLinus Torvalds bool "RM7000" 17357cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17365e83d430SRalf Baechle select CPU_HAS_PREFETCH 1737932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1738ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1739ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1740797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1741970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17421da177e4SLinus Torvalds 17431da177e4SLinus Torvaldsconfig CPU_SB1 17441da177e4SLinus Torvalds bool "SB1" 17457cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1746932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1747ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1748ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1749797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1750970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17510004a9dfSRalf Baechle select WEAK_ORDERING 17521da177e4SLinus Torvalds 1753a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1754a86c7f72SDavid Daney bool "Cavium Octeon processor" 17555e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1756a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1757932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1758a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1759a86c7f72SDavid Daney select WEAK_ORDERING 1760a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17619cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1762df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1763df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1764930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17650ae3abcdSJames Hogan select HAVE_KVM 1766a86c7f72SDavid Daney help 1767a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1768a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1769a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1770a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1771a86c7f72SDavid Daney 1772cd746249SJonas Gorskiconfig CPU_BMIPS 1773cd746249SJonas Gorski bool "Broadcom BMIPS" 1774cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1775cd746249SJonas Gorski select CPU_MIPS32 1776fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1777cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1778cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1779cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1780cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1781cd746249SJonas Gorski select DMA_NONCOHERENT 178267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1783cd746249SJonas Gorski select SWAP_IO_SPACE 1784cd746249SJonas Gorski select WEAK_ORDERING 1785c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 178669aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1787932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1788a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1789a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1790c1c0c461SKevin Cernekee help 1791fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1792c1c0c461SKevin Cernekee 17937f058e85SJayachandran Cconfig CPU_XLR 17947f058e85SJayachandran C bool "Netlogic XLR SoC" 17957f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1796932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17977f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17987f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17997f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1800970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18017f058e85SJayachandran C select WEAK_ORDERING 18027f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18037f058e85SJayachandran C help 18047f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18051c773ea4SJayachandran C 18061c773ea4SJayachandran Cconfig CPU_XLP 18071c773ea4SJayachandran C bool "Netlogic XLP SoC" 18081c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18091c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18101c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18111c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18121c773ea4SJayachandran C select WEAK_ORDERING 18131c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18141c773ea4SJayachandran C select CPU_HAS_PREFETCH 1815932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1816d6504846SJayachandran C select CPU_MIPSR2 1817ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18182db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18191c773ea4SJayachandran C help 18201c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18211da177e4SLinus Torvaldsendchoice 18221da177e4SLinus Torvalds 1823a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1824a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1825a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 18267fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1827a6e18781SLeonid Yegoshin help 1828a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1829a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1830a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1831a6e18781SLeonid Yegoshin 1832a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1833a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1834a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1835a6e18781SLeonid Yegoshin select EVA 1836a6e18781SLeonid Yegoshin default y 1837a6e18781SLeonid Yegoshin help 1838a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1839a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1840a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1841a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1842a6e18781SLeonid Yegoshin 1843c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1844c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1845c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1846c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1847c5b36783SSteven J. Hill help 1848c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1849c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1850c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1851c5b36783SSteven J. Hill 1852c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1853c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1854c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1855c5b36783SSteven J. Hill depends on !EVA 1856c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1857c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1858c5b36783SSteven J. Hill select XPA 1859c5b36783SSteven J. Hill select HIGHMEM 1860d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1861c5b36783SSteven J. Hill default n 1862c5b36783SSteven J. Hill help 1863c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1864c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1865c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1866c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1867c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1868c5b36783SSteven J. Hill If unsure, say 'N' here. 1869c5b36783SSteven J. Hill 1870622844bfSWu Zhangjinif CPU_LOONGSON2F 1871622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1872622844bfSWu Zhangjin bool 1873622844bfSWu Zhangjin 1874622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1875622844bfSWu Zhangjin bool 1876622844bfSWu Zhangjin 1877622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1878622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1879622844bfSWu Zhangjin default y 1880622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1881622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1882622844bfSWu Zhangjin help 1883622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1884622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1885622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1886622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1887622844bfSWu Zhangjin 1888622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1889622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1890622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1891622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1892622844bfSWu Zhangjin systems. 1893622844bfSWu Zhangjin 1894622844bfSWu Zhangjin If unsure, please say Y. 1895622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1896622844bfSWu Zhangjin 18971b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18981b93b3c3SWu Zhangjin bool 18991b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19001b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 190131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19021b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1903fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19044e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 19051b93b3c3SWu Zhangjin 19061b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19071b93b3c3SWu Zhangjin bool 19081b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19091b93b3c3SWu Zhangjin 1910dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1911dbb98314SAlban Bedel bool 1912dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1913dbb98314SAlban Bedel 1914268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19153702bba5SWu Zhangjin bool 19163702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19173702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19183702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1919970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1920e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1921932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 19223702bba5SWu Zhangjin 1923ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1924ca585cf9SKelvin Cheung bool 1925ca585cf9SKelvin Cheung select CPU_MIPS32 19267e280f6bSJiaxun Yang select CPU_MIPSR2 1927ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1928932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1929ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1930ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1931f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1932ca585cf9SKelvin Cheung 1933fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 193404fa8bf7SJonas Gorski select SMP_UP if SMP 19351bbb6c1bSKevin Cernekee bool 1936cd746249SJonas Gorski 1937cd746249SJonas Gorskiconfig CPU_BMIPS4350 1938cd746249SJonas Gorski bool 1939cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1940cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1941cd746249SJonas Gorski 1942cd746249SJonas Gorskiconfig CPU_BMIPS4380 1943cd746249SJonas Gorski bool 1944bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1945cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1946cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1947b4720809SFlorian Fainelli select CPU_HAS_RIXI 1948cd746249SJonas Gorski 1949cd746249SJonas Gorskiconfig CPU_BMIPS5000 1950cd746249SJonas Gorski bool 1951cd746249SJonas Gorski select MIPS_CPU_SCACHE 1952bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1953cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1954cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1955b4720809SFlorian Fainelli select CPU_HAS_RIXI 19561bbb6c1bSKevin Cernekee 1957268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19580e476d91SHuacai Chen bool 19590e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1960b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19610e476d91SHuacai Chen 19623702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19632a21c730SFuxin Zhang bool 19642a21c730SFuxin Zhang 19656f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19666f7a251aSWu Zhangjin bool 196755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 196855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 196922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19706f7a251aSWu Zhangjin 1971ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1972ca585cf9SKelvin Cheung bool 1973ca585cf9SKelvin Cheung 197412e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 197512e3280bSYang Ling bool 197612e3280bSYang Ling 19777cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19787cf8053bSRalf Baechle bool 19797cf8053bSRalf Baechle 19807cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19817cf8053bSRalf Baechle bool 19827cf8053bSRalf Baechle 1983a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1984a6e18781SLeonid Yegoshin bool 1985a6e18781SLeonid Yegoshin 1986c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1987c5b36783SSteven J. Hill bool 19889ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1989c5b36783SSteven J. Hill 19907fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19917fd08ca5SLeonid Yegoshin bool 19929ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19937fd08ca5SLeonid Yegoshin 19947cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19957cf8053bSRalf Baechle bool 19967cf8053bSRalf Baechle 19977cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19987cf8053bSRalf Baechle bool 19997cf8053bSRalf Baechle 20007fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20017fd08ca5SLeonid Yegoshin bool 20029ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20037fd08ca5SLeonid Yegoshin 20047cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20057cf8053bSRalf Baechle bool 20067cf8053bSRalf Baechle 20077cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20087cf8053bSRalf Baechle bool 20097cf8053bSRalf Baechle 20107cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20117cf8053bSRalf Baechle bool 20127cf8053bSRalf Baechle 20137cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20147cf8053bSRalf Baechle bool 20157cf8053bSRalf Baechle 20167cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20177cf8053bSRalf Baechle bool 20187cf8053bSRalf Baechle 20197cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20207cf8053bSRalf Baechle bool 20217cf8053bSRalf Baechle 2022542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2023542c1020SShinya Kuribayashi bool 2024542c1020SShinya Kuribayashi 20257cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20267cf8053bSRalf Baechle bool 20277cf8053bSRalf Baechle 20287cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20297cf8053bSRalf Baechle bool 20309ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20317cf8053bSRalf Baechle 20327cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20337cf8053bSRalf Baechle bool 20347cf8053bSRalf Baechle 20357cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20367cf8053bSRalf Baechle bool 20377cf8053bSRalf Baechle 20385e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20395e683389SDavid Daney bool 20405e683389SDavid Daney 2041cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2042c1c0c461SKevin Cernekee bool 2043c1c0c461SKevin Cernekee 2044fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2045c1c0c461SKevin Cernekee bool 2046cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2047c1c0c461SKevin Cernekee 2048c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2049c1c0c461SKevin Cernekee bool 2050cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2051c1c0c461SKevin Cernekee 2052c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2053c1c0c461SKevin Cernekee bool 2054cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2055c1c0c461SKevin Cernekee 2056c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2057c1c0c461SKevin Cernekee bool 2058cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2059f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2060c1c0c461SKevin Cernekee 20617f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20627f058e85SJayachandran C bool 20637f058e85SJayachandran C 20641c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20651c773ea4SJayachandran C bool 20661c773ea4SJayachandran C 206717099b11SRalf Baechle# 206817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 206917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 207017099b11SRalf Baechle# 20710004a9dfSRalf Baechleconfig WEAK_ORDERING 20720004a9dfSRalf Baechle bool 207317099b11SRalf Baechle 207417099b11SRalf Baechle# 207517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 207617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 207717099b11SRalf Baechle# 207817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 207917099b11SRalf Baechle bool 20805e83d430SRalf Baechleendmenu 20815e83d430SRalf Baechle 20825e83d430SRalf Baechle# 20835e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20845e83d430SRalf Baechle# 20855e83d430SRalf Baechleconfig CPU_MIPS32 20865e83d430SRalf Baechle bool 20877fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20885e83d430SRalf Baechle 20895e83d430SRalf Baechleconfig CPU_MIPS64 20905e83d430SRalf Baechle bool 20917fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20925e83d430SRalf Baechle 20935e83d430SRalf Baechle# 209457eeacedSPaul Burton# These indicate the revision of the architecture 20955e83d430SRalf Baechle# 20965e83d430SRalf Baechleconfig CPU_MIPSR1 20975e83d430SRalf Baechle bool 20985e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20995e83d430SRalf Baechle 21005e83d430SRalf Baechleconfig CPU_MIPSR2 21015e83d430SRalf Baechle bool 2102a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21038256b17eSFlorian Fainelli select CPU_HAS_RIXI 2104a7e07b1aSMarkos Chandras select MIPS_SPRAM 21055e83d430SRalf Baechle 21067fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21077fd08ca5SLeonid Yegoshin bool 21087fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21098256b17eSFlorian Fainelli select CPU_HAS_RIXI 211087321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21112db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21124a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2113a7e07b1aSMarkos Chandras select MIPS_SPRAM 21145e83d430SRalf Baechle 211557eeacedSPaul Burtonconfig TARGET_ISA_REV 211657eeacedSPaul Burton int 211757eeacedSPaul Burton default 1 if CPU_MIPSR1 211857eeacedSPaul Burton default 2 if CPU_MIPSR2 211957eeacedSPaul Burton default 6 if CPU_MIPSR6 212057eeacedSPaul Burton default 0 212157eeacedSPaul Burton help 212257eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 212357eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 212457eeacedSPaul Burton 2125a6e18781SLeonid Yegoshinconfig EVA 2126a6e18781SLeonid Yegoshin bool 2127a6e18781SLeonid Yegoshin 2128c5b36783SSteven J. Hillconfig XPA 2129c5b36783SSteven J. Hill bool 2130c5b36783SSteven J. Hill 21315e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21325e83d430SRalf Baechle bool 21335e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21345e83d430SRalf Baechle bool 21355e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21365e83d430SRalf Baechle bool 21375e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21385e83d430SRalf Baechle bool 213955045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 214055045ff5SWu Zhangjin bool 214155045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 214255045ff5SWu Zhangjin bool 21439cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21449cffd154SDavid Daney bool 2145171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 214622f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 214722f1fdfdSWu Zhangjin bool 214882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 214982622284SDavid Daney bool 2150cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21515e83d430SRalf Baechle 21528192c9eaSDavid Daney# 21538192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21548192c9eaSDavid Daney# 21558192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21568192c9eaSDavid Daney bool 2157679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21588192c9eaSDavid Daney 21595e83d430SRalf Baechlemenu "Kernel type" 21605e83d430SRalf Baechle 21615e83d430SRalf Baechlechoice 21625e83d430SRalf Baechle prompt "Kernel code model" 21635e83d430SRalf Baechle help 21645e83d430SRalf Baechle You should only select this option if you have a workload that 21655e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21665e83d430SRalf Baechle large memory. You will only be presented a single option in this 21675e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21685e83d430SRalf Baechle 21695e83d430SRalf Baechleconfig 32BIT 21705e83d430SRalf Baechle bool "32-bit kernel" 21715e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21725e83d430SRalf Baechle select TRAD_SIGNALS 21735e83d430SRalf Baechle help 21745e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2175f17c4ca3SRalf Baechle 21765e83d430SRalf Baechleconfig 64BIT 21775e83d430SRalf Baechle bool "64-bit kernel" 21785e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21795e83d430SRalf Baechle help 21805e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21815e83d430SRalf Baechle 21825e83d430SRalf Baechleendchoice 21835e83d430SRalf Baechle 21842235a54dSSanjay Lalconfig KVM_GUEST 21852235a54dSSanjay Lal bool "KVM Guest Kernel" 2186f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21872235a54dSSanjay Lal help 2188caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2189caa1faa7SJames Hogan mode. 21902235a54dSSanjay Lal 2191eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2192eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21932235a54dSSanjay Lal depends on KVM_GUEST 2194eda3d33cSJames Hogan default 100 21952235a54dSSanjay Lal help 2196eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2197eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2198eda3d33cSJames Hogan timer frequency is specified directly. 21992235a54dSSanjay Lal 22001e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22011e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22021e321fa9SLeonid Yegoshin depends on 64BIT 22031e321fa9SLeonid Yegoshin help 22043377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22053377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22063377e227SAlex Belits For page sizes 16k and above, this option results in a small 22073377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22083377e227SAlex Belits level of page tables is added which imposes both a memory 22093377e227SAlex Belits overhead as well as slower TLB fault handling. 22103377e227SAlex Belits 22111e321fa9SLeonid Yegoshin If unsure, say N. 22121e321fa9SLeonid Yegoshin 22131da177e4SLinus Torvaldschoice 22141da177e4SLinus Torvalds prompt "Kernel page size" 22151da177e4SLinus Torvalds default PAGE_SIZE_4KB 22161da177e4SLinus Torvalds 22171da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22181da177e4SLinus Torvalds bool "4kB" 2219268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22201da177e4SLinus Torvalds help 22211da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22221da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22231da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22241da177e4SLinus Torvalds recommended for low memory systems. 22251da177e4SLinus Torvalds 22261da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22271da177e4SLinus Torvalds bool "8kB" 2228c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22291e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22301da177e4SLinus Torvalds help 22311da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22321da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2233c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2234c2aeaaeaSPaul Burton distribution to support this. 22351da177e4SLinus Torvalds 22361da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22371da177e4SLinus Torvalds bool "16kB" 2238714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22391da177e4SLinus Torvalds help 22401da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22411da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2242714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2243714bfad6SRalf Baechle Linux distribution to support this. 22441da177e4SLinus Torvalds 2245c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2246c52399beSRalf Baechle bool "32kB" 2247c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22481e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2249c52399beSRalf Baechle help 2250c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2251c52399beSRalf Baechle the price of higher memory consumption. This option is available 2252c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2253c52399beSRalf Baechle distribution to support this. 2254c52399beSRalf Baechle 22551da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22561da177e4SLinus Torvalds bool "64kB" 22573b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22581da177e4SLinus Torvalds help 22591da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22601da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22611da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2262714bfad6SRalf Baechle writing this option is still high experimental. 22631da177e4SLinus Torvalds 22641da177e4SLinus Torvaldsendchoice 22651da177e4SLinus Torvalds 2266c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2267c9bace7cSDavid Daney int "Maximum zone order" 2268e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2269e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2270e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2271e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2272e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2273e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2274c9bace7cSDavid Daney range 11 64 2275c9bace7cSDavid Daney default "11" 2276c9bace7cSDavid Daney help 2277c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2278c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2279c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2280c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2281c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2282c9bace7cSDavid Daney increase this value. 2283c9bace7cSDavid Daney 2284c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2285c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2286c9bace7cSDavid Daney 2287c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2288c9bace7cSDavid Daney when choosing a value for this option. 2289c9bace7cSDavid Daney 22901da177e4SLinus Torvaldsconfig BOARD_SCACHE 22911da177e4SLinus Torvalds bool 22921da177e4SLinus Torvalds 22931da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22941da177e4SLinus Torvalds bool 22951da177e4SLinus Torvalds select BOARD_SCACHE 22961da177e4SLinus Torvalds 22979318c51aSChris Dearman# 22989318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22999318c51aSChris Dearman# 23009318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23019318c51aSChris Dearman bool 23029318c51aSChris Dearman select BOARD_SCACHE 23039318c51aSChris Dearman 23041da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23051da177e4SLinus Torvalds bool 23061da177e4SLinus Torvalds select BOARD_SCACHE 23071da177e4SLinus Torvalds 23081da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23091da177e4SLinus Torvalds bool 23101da177e4SLinus Torvalds select BOARD_SCACHE 23111da177e4SLinus Torvalds 23121da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23131da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23141da177e4SLinus Torvalds depends on CPU_SB1 23151da177e4SLinus Torvalds help 23161da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23171da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23181da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23191da177e4SLinus Torvalds 23201da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2321c8094b53SRalf Baechle bool 23221da177e4SLinus Torvalds 23233165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23243165c846SFlorian Fainelli bool 2325c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23263165c846SFlorian Fainelli 2327c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2328183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2329183b40f9SPaul Burton default y 2330183b40f9SPaul Burton help 2331183b40f9SPaul Burton Select y to include support for floating point in the kernel 2332183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2333183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2334183b40f9SPaul Burton userland program attempting to use floating point instructions will 2335183b40f9SPaul Burton receive a SIGILL. 2336183b40f9SPaul Burton 2337183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2338183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2339183b40f9SPaul Burton 2340183b40f9SPaul Burton If unsure, say y. 2341c92e47e5SPaul Burton 234297f7dcbfSPaul Burtonconfig CPU_R2300_FPU 234397f7dcbfSPaul Burton bool 2344c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 234597f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 234697f7dcbfSPaul Burton 234754746829SPaul Burtonconfig CPU_R3K_TLB 234854746829SPaul Burton bool 234954746829SPaul Burton 235091405eb6SFlorian Fainelliconfig CPU_R4K_FPU 235191405eb6SFlorian Fainelli bool 2352c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 235397f7dcbfSPaul Burton default y if !CPU_R2300_FPU 235491405eb6SFlorian Fainelli 235562cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 235662cedc4fSFlorian Fainelli bool 235754746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 235862cedc4fSFlorian Fainelli 235959d6ab86SRalf Baechleconfig MIPS_MT_SMP 2360a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23615cbf9688SPaul Burton default y 2362527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 236359d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2364d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2365c080faa5SSteven J. Hill select SYNC_R4K 236659d6ab86SRalf Baechle select MIPS_MT 236759d6ab86SRalf Baechle select SMP 236887353d8aSRalf Baechle select SMP_UP 2369c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2370c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2371399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 237259d6ab86SRalf Baechle help 2373c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2374c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2375c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2376c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2377c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 237859d6ab86SRalf Baechle 2379f41ae0b2SRalf Baechleconfig MIPS_MT 2380f41ae0b2SRalf Baechle bool 2381f41ae0b2SRalf Baechle 23820ab7aefcSRalf Baechleconfig SCHED_SMT 23830ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23840ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23850ab7aefcSRalf Baechle default n 23860ab7aefcSRalf Baechle help 23870ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23880ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23890ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23900ab7aefcSRalf Baechle 23910ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23920ab7aefcSRalf Baechle bool 23930ab7aefcSRalf Baechle 2394f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2395f41ae0b2SRalf Baechle bool 2396f41ae0b2SRalf Baechle 2397f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2398f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2399f088fc84SRalf Baechle default y 2400b633648cSRalf Baechle depends on MIPS_MT_SMP 240107cc0c9eSRalf Baechle 2402b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2403b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24049eaa9a82SPaul Burton depends on CPU_MIPSR6 2405c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2406b0a668fbSLeonid Yegoshin default y 2407b0a668fbSLeonid Yegoshin help 2408b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2409b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 241007edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2411b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2412b0a668fbSLeonid Yegoshin final kernel image. 2413b0a668fbSLeonid Yegoshin 2414f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2415f35764e7SJames Hogan bool 2416f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2417f35764e7SJames Hogan help 2418f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2419f35764e7SJames Hogan physical_memsize. 2420f35764e7SJames Hogan 242107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 242207cc0c9eSRalf Baechle bool "VPE loader support." 2423f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 242407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 242507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 242607cc0c9eSRalf Baechle select MIPS_MT 242707cc0c9eSRalf Baechle help 242807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 242907cc0c9eSRalf Baechle onto another VPE and running it. 2430f088fc84SRalf Baechle 243117a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 243217a1d523SDeng-Cheng Zhu bool 243317a1d523SDeng-Cheng Zhu default "y" 243417a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 243517a1d523SDeng-Cheng Zhu 24361a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24371a2a6d7eSDeng-Cheng Zhu bool 24381a2a6d7eSDeng-Cheng Zhu default "y" 24391a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24401a2a6d7eSDeng-Cheng Zhu 2441e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2442e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2443e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2444e01402b1SRalf Baechle default y 2445e01402b1SRalf Baechle help 2446e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2447e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2448e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2449e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2450e01402b1SRalf Baechle 2451e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2452e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2453e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2454e01402b1SRalf Baechle 2455da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2456da615cf6SDeng-Cheng Zhu bool 2457da615cf6SDeng-Cheng Zhu default "y" 2458da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2459da615cf6SDeng-Cheng Zhu 24602c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24612c973ef0SDeng-Cheng Zhu bool 24622c973ef0SDeng-Cheng Zhu default "y" 24632c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24642c973ef0SDeng-Cheng Zhu 24654a16ff4cSRalf Baechleconfig MIPS_CMP 24665cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24675676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2468b10b43baSMarkos Chandras select SMP 2469eb9b5141STim Anderson select SYNC_R4K 2470b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24714a16ff4cSRalf Baechle select WEAK_ORDERING 24724a16ff4cSRalf Baechle default n 24734a16ff4cSRalf Baechle help 2474044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2475044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2476044505c7SPaul Burton its ability to start secondary CPUs. 24774a16ff4cSRalf Baechle 24785cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24795cac93b3SPaul Burton instead of this. 24805cac93b3SPaul Burton 24810ee958e1SPaul Burtonconfig MIPS_CPS 24820ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24835a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24840ee958e1SPaul Burton select MIPS_CM 24851d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24860ee958e1SPaul Burton select SMP 24870ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24881d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2489c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24900ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24910ee958e1SPaul Burton select WEAK_ORDERING 24920ee958e1SPaul Burton help 24930ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24940ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24950ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24960ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24970ee958e1SPaul Burton support is unavailable. 24980ee958e1SPaul Burton 24993179d37eSPaul Burtonconfig MIPS_CPS_PM 250039a59593SMarkos Chandras depends on MIPS_CPS 25013179d37eSPaul Burton bool 25023179d37eSPaul Burton 25039f98f3ddSPaul Burtonconfig MIPS_CM 25049f98f3ddSPaul Burton bool 25053c9b4166SPaul Burton select MIPS_CPC 25069f98f3ddSPaul Burton 25079c38cf44SPaul Burtonconfig MIPS_CPC 25089c38cf44SPaul Burton bool 25092600990eSRalf Baechle 25101da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25111da177e4SLinus Torvalds bool 25121da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25131da177e4SLinus Torvalds default y 25141da177e4SLinus Torvalds 25151da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25161da177e4SLinus Torvalds bool 25171da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25181da177e4SLinus Torvalds default y 25191da177e4SLinus Torvalds 25209e2b5372SMarkos Chandraschoice 25219e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25229e2b5372SMarkos Chandras 25239e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25249e2b5372SMarkos Chandras bool "None" 25259e2b5372SMarkos Chandras help 25269e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25279e2b5372SMarkos Chandras 25289693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25299693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25309e2b5372SMarkos Chandras bool "SmartMIPS" 25319693a853SFranck Bui-Huu help 25329693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25339693a853SFranck Bui-Huu increased security at both hardware and software level for 25349693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25359693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25369693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25379693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25389693a853SFranck Bui-Huu here. 25399693a853SFranck Bui-Huu 2540bce86083SSteven J. Hillconfig CPU_MICROMIPS 25417fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25429e2b5372SMarkos Chandras bool "microMIPS" 2543bce86083SSteven J. Hill help 2544bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2545bce86083SSteven J. Hill microMIPS ISA 2546bce86083SSteven J. Hill 25479e2b5372SMarkos Chandrasendchoice 25489e2b5372SMarkos Chandras 2549a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25500ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2551a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2552c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25532a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2554a5e9a69eSPaul Burton help 2555a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2556a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25571db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25581db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25591db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25601db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25611db1af84SPaul Burton the size & complexity of your kernel. 2562a5e9a69eSPaul Burton 2563a5e9a69eSPaul Burton If unsure, say Y. 2564a5e9a69eSPaul Burton 25651da177e4SLinus Torvaldsconfig CPU_HAS_WB 2566f7062ddbSRalf Baechle bool 2567e01402b1SRalf Baechle 2568df0ac8a4SKevin Cernekeeconfig XKS01 2569df0ac8a4SKevin Cernekee bool 2570df0ac8a4SKevin Cernekee 25718256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25728256b17eSFlorian Fainelli bool 25738256b17eSFlorian Fainelli 2574932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2575932afdeeSYasha Cherikovsky bool 2576932afdeeSYasha Cherikovsky help 2577932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2578932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2579932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2580932afdeeSYasha Cherikovsky 2581f41ae0b2SRalf Baechle# 2582f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2583f41ae0b2SRalf Baechle# 2584e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2585f41ae0b2SRalf Baechle bool 2586e01402b1SRalf Baechle 2587f41ae0b2SRalf Baechle# 2588f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2589f41ae0b2SRalf Baechle# 2590e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2591f41ae0b2SRalf Baechle bool 2592e01402b1SRalf Baechle 25931da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25941da177e4SLinus Torvalds bool 25951da177e4SLinus Torvalds depends on !CPU_R3000 25961da177e4SLinus Torvalds default y 25971da177e4SLinus Torvalds 25981da177e4SLinus Torvalds# 259920d60d99SMaciej W. Rozycki# CPU non-features 260020d60d99SMaciej W. Rozycki# 260120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 260220d60d99SMaciej W. Rozycki bool 260320d60d99SMaciej W. Rozycki 260420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 260520d60d99SMaciej W. Rozycki bool 260620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 260720d60d99SMaciej W. Rozycki 260820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 260920d60d99SMaciej W. Rozycki bool 261020d60d99SMaciej W. Rozycki 2611071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2612071d2f0bSPaul Burton bool 2613071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2614071d2f0bSPaul Burton 26154edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26164edf00a4SPaul Burton int 26174edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26184edf00a4SPaul Burton default 0 26194edf00a4SPaul Burton 26204edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26214edf00a4SPaul Burton int 26222db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26234edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26244edf00a4SPaul Burton default 8 26254edf00a4SPaul Burton 26262db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26272db003a5SPaul Burton bool 26282db003a5SPaul Burton 26294a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26304a5dc51eSMarcin Nowakowski bool 26314a5dc51eSMarcin Nowakowski 263220d60d99SMaciej W. Rozycki# 26331da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26341da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26351da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26361da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26371da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26381da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26391da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26401da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2641797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2642797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2643797798c1SRalf Baechle# support. 26441da177e4SLinus Torvalds# 26451da177e4SLinus Torvaldsconfig HIGHMEM 26461da177e4SLinus Torvalds bool "High Memory Support" 2647a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2648797798c1SRalf Baechle 2649797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2650797798c1SRalf Baechle bool 2651797798c1SRalf Baechle 2652797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2653797798c1SRalf Baechle bool 26541da177e4SLinus Torvalds 26559693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26569693a853SFranck Bui-Huu bool 26579693a853SFranck Bui-Huu 2658a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2659a6a4834cSSteven J. Hill bool 2660a6a4834cSSteven J. Hill 2661377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2662377cb1b6SRalf Baechle bool 2663377cb1b6SRalf Baechle help 2664377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2665377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2666377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2667377cb1b6SRalf Baechle 2668a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2669a5e9a69eSPaul Burton bool 2670a5e9a69eSPaul Burton 2671b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2672b4819b59SYoichi Yuasa def_bool y 2673268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2674b4819b59SYoichi Yuasa 2675b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2676b1c6cd42SAtsushi Nemoto bool 2677397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 267831473747SAtsushi Nemoto 2679d8cb4e11SRalf Baechleconfig NUMA 2680d8cb4e11SRalf Baechle bool "NUMA Support" 2681d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2682d8cb4e11SRalf Baechle help 2683d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2684d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2685d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2686d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2687d8cb4e11SRalf Baechle disabled. 2688d8cb4e11SRalf Baechle 2689d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2690d8cb4e11SRalf Baechle bool 2691d8cb4e11SRalf Baechle 26928c530ea3SMatt Redfearnconfig RELOCATABLE 26938c530ea3SMatt Redfearn bool "Relocatable kernel" 26943ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26958c530ea3SMatt Redfearn help 26968c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26978c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26988c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26998c530ea3SMatt Redfearn but are discarded at runtime 27008c530ea3SMatt Redfearn 2701069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2702069fd766SMatt Redfearn hex "Relocation table size" 2703069fd766SMatt Redfearn depends on RELOCATABLE 2704069fd766SMatt Redfearn range 0x0 0x01000000 2705069fd766SMatt Redfearn default "0x00100000" 2706069fd766SMatt Redfearn ---help--- 2707069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2708069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2709069fd766SMatt Redfearn 2710069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2711069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2712069fd766SMatt Redfearn 2713069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2714069fd766SMatt Redfearn 2715069fd766SMatt Redfearn If unsure, leave at the default value. 2716069fd766SMatt Redfearn 2717405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2718405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2719405bc8fdSMatt Redfearn depends on RELOCATABLE 2720405bc8fdSMatt Redfearn ---help--- 2721405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2722405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2723405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2724405bc8fdSMatt Redfearn of kernel internals. 2725405bc8fdSMatt Redfearn 2726405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2727405bc8fdSMatt Redfearn 2728405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2729405bc8fdSMatt Redfearn 2730405bc8fdSMatt Redfearn If unsure, say N. 2731405bc8fdSMatt Redfearn 2732405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2733405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2734405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2735405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2736405bc8fdSMatt Redfearn range 0x0 0x08000000 2737405bc8fdSMatt Redfearn default "0x01000000" 2738405bc8fdSMatt Redfearn ---help--- 2739405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2740405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2741405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2742405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2743405bc8fdSMatt Redfearn 2744405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2745405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2746405bc8fdSMatt Redfearn 2747c80d79d7SYasunori Gotoconfig NODES_SHIFT 2748c80d79d7SYasunori Goto int 2749c80d79d7SYasunori Goto default "6" 2750c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2751c80d79d7SYasunori Goto 275214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 275314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2754268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 275514f70012SDeng-Cheng Zhu default y 275614f70012SDeng-Cheng Zhu help 275714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 275814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 275914f70012SDeng-Cheng Zhu 27601da177e4SLinus Torvaldsconfig SMP 27611da177e4SLinus Torvalds bool "Multi-Processing support" 2762e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2763e73ea273SRalf Baechle help 27641da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27654a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27664a474157SRobert Graffham than one CPU, say Y. 27671da177e4SLinus Torvalds 27684a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27691da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27701da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27714a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27721da177e4SLinus Torvalds will run faster if you say N here. 27731da177e4SLinus Torvalds 27741da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27751da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27761da177e4SLinus Torvalds 277703502faaSAdrian Bunk See also the SMP-HOWTO available at 277803502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27791da177e4SLinus Torvalds 27801da177e4SLinus Torvalds If you don't know what to do here, say N. 27811da177e4SLinus Torvalds 27827840d618SMatt Redfearnconfig HOTPLUG_CPU 27837840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27847840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27857840d618SMatt Redfearn help 27867840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27877840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27887840d618SMatt Redfearn (Note: power management support will enable this option 27897840d618SMatt Redfearn automatically on SMP systems. ) 27907840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27917840d618SMatt Redfearn 279287353d8aSRalf Baechleconfig SMP_UP 279387353d8aSRalf Baechle bool 279487353d8aSRalf Baechle 27954a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27964a16ff4cSRalf Baechle bool 27974a16ff4cSRalf Baechle 27980ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27990ee958e1SPaul Burton bool 28000ee958e1SPaul Burton 2801e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2802e73ea273SRalf Baechle bool 2803e73ea273SRalf Baechle 2804130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2805130e2fb7SRalf Baechle bool 2806130e2fb7SRalf Baechle 2807130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2808130e2fb7SRalf Baechle bool 2809130e2fb7SRalf Baechle 2810130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2811130e2fb7SRalf Baechle bool 2812130e2fb7SRalf Baechle 2813130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2814130e2fb7SRalf Baechle bool 2815130e2fb7SRalf Baechle 2816130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2817130e2fb7SRalf Baechle bool 2818130e2fb7SRalf Baechle 28191da177e4SLinus Torvaldsconfig NR_CPUS 2820a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2821a91796a9SJayachandran C range 2 256 28221da177e4SLinus Torvalds depends on SMP 2823130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2824130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2825130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2826130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2827130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28281da177e4SLinus Torvalds help 28291da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28301da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28311da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 283272ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 283372ede9b1SAtsushi Nemoto and 2 for all others. 28341da177e4SLinus Torvalds 28351da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 283672ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 283772ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 283872ede9b1SAtsushi Nemoto power of two. 28391da177e4SLinus Torvalds 2840399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2841399aaa25SAl Cooper bool 2842399aaa25SAl Cooper 28437820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28447820b84bSDavid Daney bool 28457820b84bSDavid Daney 28467820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28477820b84bSDavid Daney int 28487820b84bSDavid Daney depends on SMP 28497820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28507820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28517820b84bSDavid Daney 28521723b4a3SAtsushi Nemoto# 28531723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28541723b4a3SAtsushi Nemoto# 28551723b4a3SAtsushi Nemoto 28561723b4a3SAtsushi Nemotochoice 28571723b4a3SAtsushi Nemoto prompt "Timer frequency" 28581723b4a3SAtsushi Nemoto default HZ_250 28591723b4a3SAtsushi Nemoto help 28601723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28611723b4a3SAtsushi Nemoto 286267596573SPaul Burton config HZ_24 286367596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 286467596573SPaul Burton 28651723b4a3SAtsushi Nemoto config HZ_48 28660f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28671723b4a3SAtsushi Nemoto 28681723b4a3SAtsushi Nemoto config HZ_100 28691723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28701723b4a3SAtsushi Nemoto 28711723b4a3SAtsushi Nemoto config HZ_128 28721723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28731723b4a3SAtsushi Nemoto 28741723b4a3SAtsushi Nemoto config HZ_250 28751723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28761723b4a3SAtsushi Nemoto 28771723b4a3SAtsushi Nemoto config HZ_256 28781723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28791723b4a3SAtsushi Nemoto 28801723b4a3SAtsushi Nemoto config HZ_1000 28811723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28821723b4a3SAtsushi Nemoto 28831723b4a3SAtsushi Nemoto config HZ_1024 28841723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28851723b4a3SAtsushi Nemoto 28861723b4a3SAtsushi Nemotoendchoice 28871723b4a3SAtsushi Nemoto 288867596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 288967596573SPaul Burton bool 289067596573SPaul Burton 28911723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28921723b4a3SAtsushi Nemoto bool 28931723b4a3SAtsushi Nemoto 28941723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28951723b4a3SAtsushi Nemoto bool 28961723b4a3SAtsushi Nemoto 28971723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28981723b4a3SAtsushi Nemoto bool 28991723b4a3SAtsushi Nemoto 29001723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29011723b4a3SAtsushi Nemoto bool 29021723b4a3SAtsushi Nemoto 29031723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29041723b4a3SAtsushi Nemoto bool 29051723b4a3SAtsushi Nemoto 29061723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29071723b4a3SAtsushi Nemoto bool 29081723b4a3SAtsushi Nemoto 29091723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29101723b4a3SAtsushi Nemoto bool 29111723b4a3SAtsushi Nemoto 29121723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29131723b4a3SAtsushi Nemoto bool 291467596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 291567596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 291667596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 291767596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 291867596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 291967596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 292067596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29211723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29221723b4a3SAtsushi Nemoto 29231723b4a3SAtsushi Nemotoconfig HZ 29241723b4a3SAtsushi Nemoto int 292567596573SPaul Burton default 24 if HZ_24 29261723b4a3SAtsushi Nemoto default 48 if HZ_48 29271723b4a3SAtsushi Nemoto default 100 if HZ_100 29281723b4a3SAtsushi Nemoto default 128 if HZ_128 29291723b4a3SAtsushi Nemoto default 250 if HZ_250 29301723b4a3SAtsushi Nemoto default 256 if HZ_256 29311723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29321723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29331723b4a3SAtsushi Nemoto 293496685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 293596685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 293696685b17SDeng-Cheng Zhu 2937ea6e942bSAtsushi Nemotoconfig KEXEC 29387d60717eSKees Cook bool "Kexec system call" 29392965faa5SDave Young select KEXEC_CORE 2940ea6e942bSAtsushi Nemoto help 2941ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2942ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29433dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2944ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2945ea6e942bSAtsushi Nemoto 294601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2947ea6e942bSAtsushi Nemoto 2948ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2949ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2950bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2951bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2952bf220695SGeert Uytterhoeven made. 2953ea6e942bSAtsushi Nemoto 29547aa1c8f4SRalf Baechleconfig CRASH_DUMP 29557aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29567aa1c8f4SRalf Baechle help 29577aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29587aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29597aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29607aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29617aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29627aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29637aa1c8f4SRalf Baechle PHYSICAL_START. 29647aa1c8f4SRalf Baechle 29657aa1c8f4SRalf Baechleconfig PHYSICAL_START 29667aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29678bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29687aa1c8f4SRalf Baechle depends on CRASH_DUMP 29697aa1c8f4SRalf Baechle help 29707aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29717aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29727aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29737aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29747aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29757aa1c8f4SRalf Baechle 2976ea6e942bSAtsushi Nemotoconfig SECCOMP 2977ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2978293c5bd1SRalf Baechle depends on PROC_FS 2979ea6e942bSAtsushi Nemoto default y 2980ea6e942bSAtsushi Nemoto help 2981ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2982ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2983ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2984ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2985ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2986ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2987ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2988ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2989ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2990ea6e942bSAtsushi Nemoto 2991ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2992ea6e942bSAtsushi Nemoto 2993597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2994b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2995597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2996597ce172SPaul Burton help 2997597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2998597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2999597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3000597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3001597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3002597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3003597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3004597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3005597ce172SPaul Burton saying N here. 3006597ce172SPaul Burton 300706e2e882SPaul Burton Although binutils currently supports use of this flag the details 300806e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 300906e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 301006e2e882SPaul Burton behaviour before the details have been finalised, this option should 301106e2e882SPaul Burton be considered experimental and only enabled by those working upon 301206e2e882SPaul Burton said details. 301306e2e882SPaul Burton 301406e2e882SPaul Burton If unsure, say N. 3015597ce172SPaul Burton 3016f2ffa5abSDezhong Diaoconfig USE_OF 30170b3e06fdSJonas Gorski bool 3018f2ffa5abSDezhong Diao select OF 3019e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3020abd2363fSGrant Likely select IRQ_DOMAIN 3021f2ffa5abSDezhong Diao 30222fe8ea39SDengcheng Zhuconfig UHI_BOOT 30232fe8ea39SDengcheng Zhu bool 30242fe8ea39SDengcheng Zhu 30257fafb068SAndrew Brestickerconfig BUILTIN_DTB 30267fafb068SAndrew Bresticker bool 30277fafb068SAndrew Bresticker 30281da8f179SJonas Gorskichoice 30295b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30301da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30311da8f179SJonas Gorski 30321da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30331da8f179SJonas Gorski bool "None" 30341da8f179SJonas Gorski help 30351da8f179SJonas Gorski Do not enable appended dtb support. 30361da8f179SJonas Gorski 303787db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 303887db537dSAaro Koskinen bool "vmlinux" 303987db537dSAaro Koskinen help 304087db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 304187db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 304287db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 304387db537dSAaro Koskinen objcopy: 304487db537dSAaro Koskinen 304587db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 304687db537dSAaro Koskinen 304787db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 304887db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 304987db537dSAaro Koskinen the documented boot protocol using a device tree. 305087db537dSAaro Koskinen 30511da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3052b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30531da8f179SJonas Gorski help 30541da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3055b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30561da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30571da8f179SJonas Gorski 30581da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30591da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30601da8f179SJonas Gorski the documented boot protocol using a device tree. 30611da8f179SJonas Gorski 30621da8f179SJonas Gorski Beware that there is very little in terms of protection against 30631da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30641da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30651da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30661da8f179SJonas Gorski if you don't intend to always append a DTB. 30671da8f179SJonas Gorskiendchoice 30681da8f179SJonas Gorski 30692024972eSJonas Gorskichoice 30702024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30712bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30723f5f0a44SPaul Burton !MIPS_MALTA && \ 30732bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30742024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30752024972eSJonas Gorski 30762024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30772024972eSJonas Gorski depends on USE_OF 30782024972eSJonas Gorski bool "Dtb kernel arguments if available" 30792024972eSJonas Gorski 30802024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30812024972eSJonas Gorski depends on USE_OF 30822024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30832024972eSJonas Gorski 30842024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30852024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3086ed47e153SRabin Vincent 3087ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3088ed47e153SRabin Vincent depends on CMDLINE_BOOL 3089ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30902024972eSJonas Gorskiendchoice 30912024972eSJonas Gorski 30925e83d430SRalf Baechleendmenu 30935e83d430SRalf Baechle 30941df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30951df0f0ffSAtsushi Nemoto bool 30961df0f0ffSAtsushi Nemoto default y 30971df0f0ffSAtsushi Nemoto 30981df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30991df0f0ffSAtsushi Nemoto bool 31001df0f0ffSAtsushi Nemoto default y 31011df0f0ffSAtsushi Nemoto 3102a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3103a728ab52SKirill A. Shutemov int 31043377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3105a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3106a728ab52SKirill A. Shutemov default 2 3107a728ab52SKirill A. Shutemov 31086c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31096c359eb1SPaul Burton bool 31106c359eb1SPaul Burton 31111da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31121da177e4SLinus Torvalds 3113c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31142eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3115c5611df9SPaul Burton bool 3116c5611df9SPaul Burton 3117c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3118c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3119c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31202eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31211da177e4SLinus Torvalds 31221da177e4SLinus Torvalds# 31231da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31241da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31251da177e4SLinus Torvalds# users to choose the right thing ... 31261da177e4SLinus Torvalds# 31271da177e4SLinus Torvaldsconfig ISA 31281da177e4SLinus Torvalds bool 31291da177e4SLinus Torvalds 31301da177e4SLinus Torvaldsconfig TC 31311da177e4SLinus Torvalds bool "TURBOchannel support" 31321da177e4SLinus Torvalds depends on MACH_DECSTATION 31331da177e4SLinus Torvalds help 313450a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 313550a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 313650a23e6eSJustin P. Mattock at: 313750a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 313850a23e6eSJustin P. Mattock and: 313950a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 314050a23e6eSJustin P. Mattock Linux driver support status is documented at: 314150a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31421da177e4SLinus Torvalds 31431da177e4SLinus Torvaldsconfig MMU 31441da177e4SLinus Torvalds bool 31451da177e4SLinus Torvalds default y 31461da177e4SLinus Torvalds 3147109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3148109c32ffSMatt Redfearn default 12 if 64BIT 3149109c32ffSMatt Redfearn default 8 3150109c32ffSMatt Redfearn 3151109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3152109c32ffSMatt Redfearn default 18 if 64BIT 3153109c32ffSMatt Redfearn default 15 3154109c32ffSMatt Redfearn 3155109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3156109c32ffSMatt Redfearn default 8 3157109c32ffSMatt Redfearn 3158109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3159109c32ffSMatt Redfearn default 15 3160109c32ffSMatt Redfearn 3161d865bea4SRalf Baechleconfig I8253 3162d865bea4SRalf Baechle bool 3163798778b8SRussell King select CLKSRC_I8253 31642d02612fSThomas Gleixner select CLKEVT_I8253 31659726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3166d865bea4SRalf Baechle 3167e05eb3f8SRalf Baechleconfig ZONE_DMA 3168e05eb3f8SRalf Baechle bool 3169e05eb3f8SRalf Baechle 3170cce335aeSRalf Baechleconfig ZONE_DMA32 3171cce335aeSRalf Baechle bool 3172cce335aeSRalf Baechle 31731da177e4SLinus Torvaldsendmenu 31741da177e4SLinus Torvalds 31751da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31761da177e4SLinus Torvalds bool 31771da177e4SLinus Torvalds 31781da177e4SLinus Torvaldsconfig MIPS32_COMPAT 317978aaf956SRalf Baechle bool 31801da177e4SLinus Torvalds 31811da177e4SLinus Torvaldsconfig COMPAT 31821da177e4SLinus Torvalds bool 31831da177e4SLinus Torvalds 318405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 318505e43966SAtsushi Nemoto bool 318605e43966SAtsushi Nemoto 31871da177e4SLinus Torvaldsconfig MIPS32_O32 31881da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 318978aaf956SRalf Baechle depends on 64BIT 319078aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 319178aaf956SRalf Baechle select COMPAT 319278aaf956SRalf Baechle select MIPS32_COMPAT 319378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31941da177e4SLinus Torvalds help 31951da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31961da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31971da177e4SLinus Torvalds existing binaries are in this format. 31981da177e4SLinus Torvalds 31991da177e4SLinus Torvalds If unsure, say Y. 32001da177e4SLinus Torvalds 32011da177e4SLinus Torvaldsconfig MIPS32_N32 32021da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3203c22eacfeSRalf Baechle depends on 64BIT 32045a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 320578aaf956SRalf Baechle select COMPAT 320678aaf956SRalf Baechle select MIPS32_COMPAT 320778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32081da177e4SLinus Torvalds help 32091da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32101da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32111da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32121da177e4SLinus Torvalds cases. 32131da177e4SLinus Torvalds 32141da177e4SLinus Torvalds If unsure, say N. 32151da177e4SLinus Torvalds 32161da177e4SLinus Torvaldsconfig BINFMT_ELF32 32171da177e4SLinus Torvalds bool 32181da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3219f43edca7SRalf Baechle select ELFCORE 32201da177e4SLinus Torvalds 32212116245eSRalf Baechlemenu "Power management options" 3222952fa954SRodolfo Giometti 3223363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3224363c55caSWu Zhangjin def_bool y 32253f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3226363c55caSWu Zhangjin 3227f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3228f4cb5700SJohannes Berg def_bool y 32293f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3230f4cb5700SJohannes Berg 32312116245eSRalf Baechlesource "kernel/power/Kconfig" 3232952fa954SRodolfo Giometti 32331da177e4SLinus Torvaldsendmenu 32341da177e4SLinus Torvalds 32357a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32367a998935SViresh Kumar bool 32377a998935SViresh Kumar 32387a998935SViresh Kumarmenu "CPU Power Management" 3239c095ebafSPaul Burton 3240c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32417a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32427a998935SViresh Kumarendif 32439726b43aSWu Zhangjin 3244c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3245c095ebafSPaul Burton 3246c095ebafSPaul Burtonendmenu 3247c095ebafSPaul Burton 324898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 324998cdee0eSRalf Baechle 32502235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3251