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" 464*6fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 465*6fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 466*6fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 467*6fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 468*6fbde6b4SJiaxun Yang select BOOT_ELF32 469*6fbde6b4SJiaxun Yang select BOARD_SCACHE 470*6fbde6b4SJiaxun Yang select CSRC_R4K 471*6fbde6b4SJiaxun Yang select CEVT_R4K 472*6fbde6b4SJiaxun Yang select CPU_HAS_WB 473*6fbde6b4SJiaxun Yang select FORCE_PCI 474*6fbde6b4SJiaxun Yang select ISA 475*6fbde6b4SJiaxun Yang select I8259 476*6fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 477*6fbde6b4SJiaxun Yang select NR_CPUS_DEFAULT_4 478*6fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 479*6fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 480*6fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 481*6fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 482*6fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 483*6fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 484*6fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 485*6fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 486*6fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 48771e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 488*6fbde6b4SJiaxun Yang select LOONGSON_MC146818 489*6fbde6b4SJiaxun Yang select ZONE_DMA32 490*6fbde6b4SJiaxun 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 7581da177e4SLinus Torvaldsconfig SGI_IP32 759cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 76039b2d756SThomas Bogendoerfer select ARC_MEMORY 76139b2d756SThomas Bogendoerfer select ARC_PROMLIB 76203df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7630e2794b0SRalf Baechle select FW_ARC 7640e2794b0SRalf Baechle select FW_ARC32 7651da177e4SLinus Torvalds select BOOT_ELF32 76642f77542SRalf Baechle select CEVT_R4K 767940f6b48SRalf Baechle select CSRC_R4K 7681da177e4SLinus Torvalds select DMA_NONCOHERENT 769eb01d42aSChristoph Hellwig select HAVE_PCI 77067e38cf2SRalf Baechle select IRQ_MIPS_CPU 7711da177e4SLinus Torvalds select R5000_CPU_SCACHE 7721da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7737cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7747cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7757cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 776dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 777ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7785e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7791da177e4SLinus Torvalds help 7801da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7811da177e4SLinus Torvalds 782ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 783ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7845e83d430SRalf Baechle select BOOT_ELF32 7855e83d430SRalf Baechle select SIBYTE_BCM1120 7865e83d430SRalf Baechle select SWAP_IO_SPACE 7877cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7885e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7895e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7905e83d430SRalf Baechle 791ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 792ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7935e83d430SRalf Baechle select BOOT_ELF32 7945e83d430SRalf Baechle select SIBYTE_BCM1120 7955e83d430SRalf Baechle select SWAP_IO_SPACE 7967cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7985e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7995e83d430SRalf Baechle 8005e83d430SRalf Baechleconfig SIBYTE_CRHONE 8013fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8025e83d430SRalf Baechle select BOOT_ELF32 8035e83d430SRalf Baechle select SIBYTE_BCM1125 8045e83d430SRalf Baechle select SWAP_IO_SPACE 8057cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8065e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8075e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8085e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8095e83d430SRalf Baechle 810ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 811ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 812ade299d8SYoichi Yuasa select BOOT_ELF32 813ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 814ade299d8SYoichi Yuasa select SWAP_IO_SPACE 815ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 816ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 817ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 818ade299d8SYoichi Yuasa 819ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 820ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 821ade299d8SYoichi Yuasa select BOOT_ELF32 822fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 823ade299d8SYoichi Yuasa select SIBYTE_SB1250 824ade299d8SYoichi Yuasa select SWAP_IO_SPACE 825ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 826ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 827ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 828ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 829cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 830e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 831ade299d8SYoichi Yuasa 832ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 833ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 834ade299d8SYoichi Yuasa select BOOT_ELF32 835fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 836ade299d8SYoichi Yuasa select SIBYTE_SB1250 837ade299d8SYoichi Yuasa select SWAP_IO_SPACE 838ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 839ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 840ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 841ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 842756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 843ade299d8SYoichi Yuasa 844ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 845ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 846ade299d8SYoichi Yuasa select BOOT_ELF32 847ade299d8SYoichi Yuasa select SIBYTE_SB1250 848ade299d8SYoichi Yuasa select SWAP_IO_SPACE 849ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 850ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 851ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 852e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 853ade299d8SYoichi Yuasa 854ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 855ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 856ade299d8SYoichi Yuasa select BOOT_ELF32 857ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 858ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 859ade299d8SYoichi Yuasa select SWAP_IO_SPACE 860ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 861ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 862651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 863ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 864cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 865e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 866ade299d8SYoichi Yuasa 86714b36af4SThomas Bogendoerferconfig SNI_RM 86814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 86939b2d756SThomas Bogendoerfer select ARC_MEMORY 87039b2d756SThomas Bogendoerfer select ARC_PROMLIB 8710e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8720e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 873aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8745e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 875a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8767a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8775e83d430SRalf Baechle select BOOT_ELF32 87842f77542SRalf Baechle select CEVT_R4K 879940f6b48SRalf Baechle select CSRC_R4K 880e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8815e83d430SRalf Baechle select DMA_NONCOHERENT 8825e83d430SRalf Baechle select GENERIC_ISA_DMA 8836630a8e5SChristoph Hellwig select HAVE_EISA 8848a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 885eb01d42aSChristoph Hellwig select HAVE_PCI 88667e38cf2SRalf Baechle select IRQ_MIPS_CPU 887d865bea4SRalf Baechle select I8253 8885e83d430SRalf Baechle select I8259 8895e83d430SRalf Baechle select ISA 8904a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8917cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8924a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 893c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8944a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 89536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 896ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8977d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8984a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8995e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9005e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 9011da177e4SLinus Torvalds help 90214b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 90314b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9045e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9055e83d430SRalf Baechle support this machine type. 9061da177e4SLinus Torvalds 907edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 908edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9095e83d430SRalf Baechle 910edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 911edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 91223fbee9dSRalf Baechle 91373b4390fSRalf Baechleconfig MIKROTIK_RB532 91473b4390fSRalf Baechle bool "Mikrotik RB532 boards" 91573b4390fSRalf Baechle select CEVT_R4K 91673b4390fSRalf Baechle select CSRC_R4K 91773b4390fSRalf Baechle select DMA_NONCOHERENT 918eb01d42aSChristoph Hellwig select HAVE_PCI 91967e38cf2SRalf Baechle select IRQ_MIPS_CPU 92073b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 92173b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 92273b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 92373b4390fSRalf Baechle select SWAP_IO_SPACE 92473b4390fSRalf Baechle select BOOT_RAW 925d30a2b47SLinus Walleij select GPIOLIB 926930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 92773b4390fSRalf Baechle help 92873b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 92973b4390fSRalf Baechle based on the IDT RC32434 SoC. 93073b4390fSRalf Baechle 9319ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9329ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 933a86c7f72SDavid Daney select CEVT_R4K 934ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9351753d50cSChristoph Hellwig select HAVE_RAPIDIO 936d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 937a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 938a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 939f65aad41SRalf Baechle select EDAC_SUPPORT 940b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 94173569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 94273569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 943a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9445e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 945eb01d42aSChristoph Hellwig select HAVE_PCI 946f00e001eSDavid Daney select ZONE_DMA32 947465aaed0SDavid Daney select HOLES_IN_ZONE 948d30a2b47SLinus Walleij select GPIOLIB 9496e511163SDavid Daney select LIBFDT 9506e511163SDavid Daney select USE_OF 9516e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9526e511163SDavid Daney select SYS_SUPPORTS_SMP 9537820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9547820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 955e326479fSAndrew Bresticker select BUILTIN_DTB 9568c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 95709230cbcSChristoph Hellwig select SWIOTLB 9583ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 959a86c7f72SDavid Daney help 960a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 961a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 962a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 963a86c7f72SDavid Daney Some of the supported boards are: 964a86c7f72SDavid Daney EBT3000 965a86c7f72SDavid Daney EBH3000 966a86c7f72SDavid Daney EBH3100 967a86c7f72SDavid Daney Thunder 968a86c7f72SDavid Daney Kodama 969a86c7f72SDavid Daney Hikari 970a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 971a86c7f72SDavid Daney 9727f058e85SJayachandran Cconfig NLM_XLR_BOARD 9737f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9747f058e85SJayachandran C select BOOT_ELF32 9757f058e85SJayachandran C select NLM_COMMON 9767f058e85SJayachandran C select SYS_HAS_CPU_XLR 9777f058e85SJayachandran C select SYS_SUPPORTS_SMP 978eb01d42aSChristoph Hellwig select HAVE_PCI 9797f058e85SJayachandran C select SWAP_IO_SPACE 9807f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9817f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 982d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9837f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9847f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9857f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9867f058e85SJayachandran C select CEVT_R4K 9877f058e85SJayachandran C select CSRC_R4K 98867e38cf2SRalf Baechle select IRQ_MIPS_CPU 989b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9907f058e85SJayachandran C select SYNC_R4K 9917f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9928f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9938f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9947f058e85SJayachandran C help 9957f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9967f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9977f058e85SJayachandran C 9981c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9991c773ea4SJayachandran C bool "Netlogic XLP based systems" 10001c773ea4SJayachandran C select BOOT_ELF32 10011c773ea4SJayachandran C select NLM_COMMON 10021c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10031c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1004eb01d42aSChristoph Hellwig select HAVE_PCI 10051c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10061c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1007d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1008d30a2b47SLinus Walleij select GPIOLIB 10091c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10101c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10111c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10121c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10131c773ea4SJayachandran C select CEVT_R4K 10141c773ea4SJayachandran C select CSRC_R4K 101567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1016b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10171c773ea4SJayachandran C select SYNC_R4K 10181c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10192f6528e1SJayachandran C select USE_OF 10208f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10218f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10221c773ea4SJayachandran C help 10231c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10241c773ea4SJayachandran C Say Y here if you have a XLP based board. 10251c773ea4SJayachandran C 10269bc463beSDavid Daneyconfig MIPS_PARAVIRT 10279bc463beSDavid Daney bool "Para-Virtualized guest system" 10289bc463beSDavid Daney select CEVT_R4K 10299bc463beSDavid Daney select CSRC_R4K 10309bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10319bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10329bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10339bc463beSDavid Daney select SYS_SUPPORTS_SMP 10349bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10359bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10369bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10379bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10389bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1039eb01d42aSChristoph Hellwig select HAVE_PCI 10409bc463beSDavid Daney select SWAP_IO_SPACE 10419bc463beSDavid Daney help 10429bc463beSDavid Daney This option supports guest running under ???? 10439bc463beSDavid Daney 10441da177e4SLinus Torvaldsendchoice 10451da177e4SLinus Torvalds 1046e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10473b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1048d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1049a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1050e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10518945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1052eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10535e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10545ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10558ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10561f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10572572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1058af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10590f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1060ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 106129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 106238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 106322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10645e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1065a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 106671e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 106730ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 106830ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10697f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1070ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 107138b18f72SRalf Baechle 10725e83d430SRalf Baechleendmenu 10735e83d430SRalf Baechle 10743c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10753c9ee7efSAkinobu Mita bool 10763c9ee7efSAkinobu Mita default y 10773c9ee7efSAkinobu Mita 10781da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10791da177e4SLinus Torvalds bool 10801da177e4SLinus Torvalds default y 10811da177e4SLinus Torvalds 1082ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10831cc89038SAtsushi Nemoto bool 10841cc89038SAtsushi Nemoto default y 10851cc89038SAtsushi Nemoto 10861da177e4SLinus Torvalds# 10871da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10881da177e4SLinus Torvalds# 10890e2794b0SRalf Baechleconfig FW_ARC 10901da177e4SLinus Torvalds bool 10911da177e4SLinus Torvalds 109261ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 109361ed242dSRalf Baechle bool 109461ed242dSRalf Baechle 10959267a30dSMarc St-Jeanconfig BOOT_RAW 10969267a30dSMarc St-Jean bool 10979267a30dSMarc St-Jean 1098217dd11eSRalf Baechleconfig CEVT_BCM1480 1099217dd11eSRalf Baechle bool 1100217dd11eSRalf Baechle 11016457d9fcSYoichi Yuasaconfig CEVT_DS1287 11026457d9fcSYoichi Yuasa bool 11036457d9fcSYoichi Yuasa 11041097c6acSYoichi Yuasaconfig CEVT_GT641XX 11051097c6acSYoichi Yuasa bool 11061097c6acSYoichi Yuasa 110742f77542SRalf Baechleconfig CEVT_R4K 110842f77542SRalf Baechle bool 110942f77542SRalf Baechle 1110217dd11eSRalf Baechleconfig CEVT_SB1250 1111217dd11eSRalf Baechle bool 1112217dd11eSRalf Baechle 1113229f773eSAtsushi Nemotoconfig CEVT_TXX9 1114229f773eSAtsushi Nemoto bool 1115229f773eSAtsushi Nemoto 1116217dd11eSRalf Baechleconfig CSRC_BCM1480 1117217dd11eSRalf Baechle bool 1118217dd11eSRalf Baechle 11194247417dSYoichi Yuasaconfig CSRC_IOASIC 11204247417dSYoichi Yuasa bool 11214247417dSYoichi Yuasa 1122940f6b48SRalf Baechleconfig CSRC_R4K 1123940f6b48SRalf Baechle bool 1124940f6b48SRalf Baechle 1125217dd11eSRalf Baechleconfig CSRC_SB1250 1126217dd11eSRalf Baechle bool 1127217dd11eSRalf Baechle 1128a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1129a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1130a7f4df4eSAlex Smith 1131a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1132d30a2b47SLinus Walleij select GPIOLIB 1133a9aec7feSAtsushi Nemoto bool 1134a9aec7feSAtsushi Nemoto 11350e2794b0SRalf Baechleconfig FW_CFE 1136df78b5c8SAurelien Jarno bool 1137df78b5c8SAurelien Jarno 113840e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 113940e084a5SRalf Baechle bool 114040e084a5SRalf Baechle 1141885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1142f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1143885014bcSFelix Fietkau select DMA_NONCOHERENT 1144885014bcSFelix Fietkau bool 1145885014bcSFelix Fietkau 114620d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 114720d33064SPaul Burton bool 1148347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11495748e1b3SChristoph Hellwig select DMA_NONCOHERENT 115020d33064SPaul Burton 11511da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11521da177e4SLinus Torvalds bool 1153db91427bSChristoph Hellwig # 1154db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1155db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1156db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1157db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1158db91427bSChristoph Hellwig # significant advantages. 1159db91427bSChristoph Hellwig # 1160419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1161f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11622ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1163e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 116458b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1165f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11664ce588cdSRalf Baechle 116736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11681da177e4SLinus Torvalds bool 11691da177e4SLinus Torvalds 11701b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1171dbb74540SRalf Baechle bool 1172dbb74540SRalf Baechle 11731da177e4SLinus Torvaldsconfig MIPS_BONITO64 11741da177e4SLinus Torvalds bool 11751da177e4SLinus Torvalds 11761da177e4SLinus Torvaldsconfig MIPS_MSC 11771da177e4SLinus Torvalds bool 11781da177e4SLinus Torvalds 11791f21d2bdSBrian Murphyconfig MIPS_NILE4 11801f21d2bdSBrian Murphy bool 11811f21d2bdSBrian Murphy 118239b8d525SRalf Baechleconfig SYNC_R4K 118339b8d525SRalf Baechle bool 118439b8d525SRalf Baechle 1185487d70d0SGabor Juhosconfig MIPS_MACHINE 1186487d70d0SGabor Juhos def_bool n 1187487d70d0SGabor Juhos 1188ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1189d388d685SMaciej W. Rozycki def_bool n 1190d388d685SMaciej W. Rozycki 11914e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11924e0748f5SMarkos Chandras bool 1193932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11944e0748f5SMarkos Chandras 11958313da30SRalf Baechleconfig GENERIC_ISA_DMA 11968313da30SRalf Baechle bool 11978313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1198a35bee8aSNamhyung Kim select ISA_DMA_API 11998313da30SRalf Baechle 1200aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1201aa414dffSRalf Baechle bool 12028313da30SRalf Baechle select GENERIC_ISA_DMA 1203aa414dffSRalf Baechle 1204a35bee8aSNamhyung Kimconfig ISA_DMA_API 1205a35bee8aSNamhyung Kim bool 1206a35bee8aSNamhyung Kim 1207465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1208465aaed0SDavid Daney bool 1209465aaed0SDavid Daney 12108c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12118c530ea3SMatt Redfearn bool 12128c530ea3SMatt Redfearn help 12138c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12148c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12158c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12168c530ea3SMatt Redfearn 1217f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1218f381bf6dSDavid Daney def_bool y 1219f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1220f381bf6dSDavid Daney 1221f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1222f381bf6dSDavid Daney def_bool y 1223f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1224f381bf6dSDavid Daney 1225f381bf6dSDavid Daney 12265e83d430SRalf Baechle# 12276b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12285e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12295e83d430SRalf Baechle# choice statement should be more obvious to the user. 12305e83d430SRalf Baechle# 12315e83d430SRalf Baechlechoice 12326b2aac42SMasanari Iida prompt "Endianness selection" 12331da177e4SLinus Torvalds help 12341da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12355e83d430SRalf Baechle byte order. These modes require different kernels and a different 12363cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12375e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12383dde6ad8SDavid Sterba one or the other endianness. 12395e83d430SRalf Baechle 12405e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12415e83d430SRalf Baechle bool "Big endian" 12425e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12435e83d430SRalf Baechle 12445e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12455e83d430SRalf Baechle bool "Little endian" 12465e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12475e83d430SRalf Baechle 12485e83d430SRalf Baechleendchoice 12495e83d430SRalf Baechle 125022b0763aSDavid Daneyconfig EXPORT_UASM 125122b0763aSDavid Daney bool 125222b0763aSDavid Daney 12532116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12542116245eSRalf Baechle bool 12552116245eSRalf Baechle 12565e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12575e83d430SRalf Baechle bool 12585e83d430SRalf Baechle 12595e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12605e83d430SRalf Baechle bool 12611da177e4SLinus Torvalds 12629cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12639cffd154SDavid Daney bool 126445e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12659cffd154SDavid Daney default y 12669cffd154SDavid Daney 1267aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1268aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1269aa1762f4SDavid Daney 12701da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12711da177e4SLinus Torvalds bool 12721da177e4SLinus Torvalds 12739267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12749267a30dSMarc St-Jean bool 12759267a30dSMarc St-Jean 12769267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12779267a30dSMarc St-Jean bool 12789267a30dSMarc St-Jean 12798420fd00SAtsushi Nemotoconfig IRQ_TXX9 12808420fd00SAtsushi Nemoto bool 12818420fd00SAtsushi Nemoto 1282d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1283d5ab1a69SYoichi Yuasa bool 1284d5ab1a69SYoichi Yuasa 1285252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12861da177e4SLinus Torvalds bool 12871da177e4SLinus Torvalds 1288a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1289a57140e9SThomas Bogendoerfer bool 1290a57140e9SThomas Bogendoerfer 12919267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12929267a30dSMarc St-Jean bool 12939267a30dSMarc St-Jean 1294a83860c2SRalf Baechleconfig SOC_EMMA2RH 1295a83860c2SRalf Baechle bool 1296a83860c2SRalf Baechle select CEVT_R4K 1297a83860c2SRalf Baechle select CSRC_R4K 1298a83860c2SRalf Baechle select DMA_NONCOHERENT 129967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1300a83860c2SRalf Baechle select SWAP_IO_SPACE 1301a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1302a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1303a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1304a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1305a83860c2SRalf Baechle 1306edb6310aSDaniel Lairdconfig SOC_PNX833X 1307edb6310aSDaniel Laird bool 1308edb6310aSDaniel Laird select CEVT_R4K 1309edb6310aSDaniel Laird select CSRC_R4K 131067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1311edb6310aSDaniel Laird select DMA_NONCOHERENT 1312edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1313edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1314edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1315edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1316377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1317edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1318edb6310aSDaniel Laird 1319edb6310aSDaniel Lairdconfig SOC_PNX8335 1320edb6310aSDaniel Laird bool 1321edb6310aSDaniel Laird select SOC_PNX833X 1322edb6310aSDaniel Laird 1323a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1324a7e07b1aSMarkos Chandras bool 1325a7e07b1aSMarkos Chandras 13261da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13271da177e4SLinus Torvalds bool 13281da177e4SLinus Torvalds 1329e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1330e2defae5SThomas Bogendoerfer bool 1331e2defae5SThomas Bogendoerfer 13325b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13335b438c44SThomas Bogendoerfer bool 13345b438c44SThomas Bogendoerfer 1335e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1336e2defae5SThomas Bogendoerfer bool 1337e2defae5SThomas Bogendoerfer 1338e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1339e2defae5SThomas Bogendoerfer bool 1340e2defae5SThomas Bogendoerfer 1341e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1342e2defae5SThomas Bogendoerfer bool 1343e2defae5SThomas Bogendoerfer 1344e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1345e2defae5SThomas Bogendoerfer bool 1346e2defae5SThomas Bogendoerfer 1347e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1348e2defae5SThomas Bogendoerfer bool 1349e2defae5SThomas Bogendoerfer 13500e2794b0SRalf Baechleconfig FW_ARC32 13515e83d430SRalf Baechle bool 13525e83d430SRalf Baechle 1353aaa9fad3SPaul Bolleconfig FW_SNIPROM 1354231a35d3SThomas Bogendoerfer bool 1355231a35d3SThomas Bogendoerfer 13561da177e4SLinus Torvaldsconfig BOOT_ELF32 13571da177e4SLinus Torvalds bool 13581da177e4SLinus Torvalds 1359930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1360930beb5aSFlorian Fainelli bool 1361930beb5aSFlorian Fainelli 1362930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1363930beb5aSFlorian Fainelli bool 1364930beb5aSFlorian Fainelli 1365930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1366930beb5aSFlorian Fainelli bool 1367930beb5aSFlorian Fainelli 1368930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1369930beb5aSFlorian Fainelli bool 1370930beb5aSFlorian Fainelli 13711da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13721da177e4SLinus Torvalds int 1373a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13745432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13755432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13765432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13771da177e4SLinus Torvalds default "5" 13781da177e4SLinus Torvalds 13791da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13801da177e4SLinus Torvalds bool 13811da177e4SLinus Torvalds 1382e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1383e9422427SThomas Bogendoerfer bool 1384e9422427SThomas Bogendoerfer 13851da177e4SLinus Torvaldsconfig ARC_CONSOLE 13861da177e4SLinus Torvalds bool "ARC console support" 1387e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13881da177e4SLinus Torvalds 13891da177e4SLinus Torvaldsconfig ARC_MEMORY 13901da177e4SLinus Torvalds bool 13911da177e4SLinus Torvalds 13921da177e4SLinus Torvaldsconfig ARC_PROMLIB 13931da177e4SLinus Torvalds bool 13941da177e4SLinus Torvalds 13950e2794b0SRalf Baechleconfig FW_ARC64 13961da177e4SLinus Torvalds bool 13971da177e4SLinus Torvalds 13981da177e4SLinus Torvaldsconfig BOOT_ELF64 13991da177e4SLinus Torvalds bool 14001da177e4SLinus Torvalds 14011da177e4SLinus Torvaldsmenu "CPU selection" 14021da177e4SLinus Torvalds 14031da177e4SLinus Torvaldschoice 14041da177e4SLinus Torvalds prompt "CPU type" 14051da177e4SLinus Torvalds default CPU_R4X00 14061da177e4SLinus Torvalds 1407268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1408268a2d60SJiaxun Yang bool "Loongson GSx64 CPU" 1409268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1410d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 14110e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14120e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14130e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14147507445bSHuacai Chen select CPU_SUPPORTS_MSA 1415932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 14160e476d91SHuacai Chen select WEAK_ORDERING 14170e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14187507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1419b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 142017c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1421d30a2b47SLinus Walleij select GPIOLIB 142209230cbcSChristoph Hellwig select SWIOTLB 14230e476d91SHuacai Chen help 1424268a2d60SJiaxun Yang The Loongson GSx64 series of processor cores implements the 1425268a2d60SJiaxun Yang MIPS64R2 instruction set with many extensions. 14260e476d91SHuacai Chen 1427268a2d60SJiaxun Yangconfig LOONGSON64_ENHANCEMENT 1428268a2d60SJiaxun Yang bool "New Loongson GSx64E CPU Enhancements" 14291e820da3SHuacai Chen default n 14301e820da3SHuacai Chen select CPU_MIPSR2 14311e820da3SHuacai Chen select CPU_HAS_PREFETCH 1432268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14331e820da3SHuacai Chen help 1434268a2d60SJiaxun Yang New Loongson GSx64E cores (since Loongson-3A R2, as opposed to Loongson-3A 14351e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1436268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14371e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14381e820da3SHuacai Chen Fast TLB refill support, etc. 14391e820da3SHuacai Chen 14401e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14411e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14421e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14431e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14441e820da3SHuacai Chen 1445e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1446e02e07e3SHuacai Chen bool "Old Loongson 3 LLSC Workarounds" 1447e02e07e3SHuacai Chen default y if SMP 1448268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1449e02e07e3SHuacai Chen help 1450e02e07e3SHuacai Chen Loongson 3 processors have the llsc issues which require workarounds. 1451e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1452e02e07e3SHuacai Chen 1453e02e07e3SHuacai Chen Newer Loongson 3 will fix these issues and no workarounds are needed. 1454e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1455e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1456e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1457e02e07e3SHuacai Chen 1458e02e07e3SHuacai Chen If unsure, please say Y. 1459e02e07e3SHuacai Chen 14603702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14613702bba5SWu Zhangjin bool "Loongson 2E" 14623702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1463268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14642a21c730SFuxin Zhang help 14652a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14662a21c730SFuxin Zhang with many extensions. 14672a21c730SFuxin Zhang 146825985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14696f7a251aSWu Zhangjin bonito64. 14706f7a251aSWu Zhangjin 14716f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14726f7a251aSWu Zhangjin bool "Loongson 2F" 14736f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1474268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1475d30a2b47SLinus Walleij select GPIOLIB 14766f7a251aSWu Zhangjin help 14776f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14786f7a251aSWu Zhangjin with many extensions. 14796f7a251aSWu Zhangjin 14806f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14816f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14826f7a251aSWu Zhangjin Loongson2E. 14836f7a251aSWu Zhangjin 1484ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1485ca585cf9SKelvin Cheung bool "Loongson 1B" 1486ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1487ca585cf9SKelvin Cheung select CPU_LOONGSON1 14889ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1489ca585cf9SKelvin Cheung help 1490ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1491968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1492968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1493ca585cf9SKelvin Cheung 149412e3280bSYang Lingconfig CPU_LOONGSON1C 149512e3280bSYang Ling bool "Loongson 1C" 149612e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 149712e3280bSYang Ling select CPU_LOONGSON1 149812e3280bSYang Ling select LEDS_GPIO_REGISTER 149912e3280bSYang Ling help 150012e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1501968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1502968dc5a0S谢致邦 (XIE Zhibang) instruction set. 150312e3280bSYang Ling 15046e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15056e760c8dSRalf Baechle bool "MIPS32 Release 1" 15067cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15076e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1508932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1509797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1510ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15116e760c8dSRalf Baechle help 15125e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15131e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15141e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15151e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15161e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15171e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15181e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15191e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15201e5f1caaSRalf Baechle performance. 15211e5f1caaSRalf Baechle 15221e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15231e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15247cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15251e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1526932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1527797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1528ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1529a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15302235a54dSSanjay Lal select HAVE_KVM 15311e5f1caaSRalf Baechle help 15325e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15336e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15346e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15356e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15366e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15371da177e4SLinus Torvalds 15387fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1539674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15407fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15417fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15427fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15437fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15447fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15457fd08ca5SLeonid Yegoshin select HAVE_KVM 15467fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15477fd08ca5SLeonid Yegoshin help 15487fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15497fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15507fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15517fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15527fd08ca5SLeonid Yegoshin 15536e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15546e760c8dSRalf Baechle bool "MIPS64 Release 1" 15557cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1556797798c1SRalf Baechle select CPU_HAS_PREFETCH 1557932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1558ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1559ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1560ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15619cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15626e760c8dSRalf Baechle help 15636e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15646e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15656e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15666e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15676e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15681e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15691e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15701e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15711e5f1caaSRalf Baechle performance. 15721e5f1caaSRalf Baechle 15731e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15741e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15757cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1576797798c1SRalf Baechle select CPU_HAS_PREFETCH 1577932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15781e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15791e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1580ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15819cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1582a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 158340a2df49SJames Hogan select HAVE_KVM 15841e5f1caaSRalf Baechle help 15851e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15861e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15871e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15881e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15891e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15901da177e4SLinus Torvalds 15917fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1592674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15937fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15947fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15957fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15967fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15977fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1598afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15997fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16002e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 160140a2df49SJames Hogan select HAVE_KVM 16027fd08ca5SLeonid Yegoshin help 16037fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16047fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16057fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16067fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16077fd08ca5SLeonid Yegoshin 16081da177e4SLinus Torvaldsconfig CPU_R3000 16091da177e4SLinus Torvalds bool "R3000" 16107cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1611f7062ddbSRalf Baechle select CPU_HAS_WB 1612932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 161354746829SPaul Burton select CPU_R3K_TLB 1614ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1615797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16161da177e4SLinus Torvalds help 16171da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16181da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16191da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16201da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16211da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16221da177e4SLinus Torvalds try to recompile with R3000. 16231da177e4SLinus Torvalds 16241da177e4SLinus Torvaldsconfig CPU_TX39XX 16251da177e4SLinus Torvalds bool "R39XX" 16267cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1627ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1628932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 162954746829SPaul Burton select CPU_R3K_TLB 16301da177e4SLinus Torvalds 16311da177e4SLinus Torvaldsconfig CPU_VR41XX 16321da177e4SLinus Torvalds bool "R41xx" 16337cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1634ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1635ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1636932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16371da177e4SLinus Torvalds help 16385e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16391da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16401da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16411da177e4SLinus Torvalds processor or vice versa. 16421da177e4SLinus Torvalds 16431da177e4SLinus Torvaldsconfig CPU_R4X00 16441da177e4SLinus Torvalds bool "R4x00" 16457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1646ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1647ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1648970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1649932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16501da177e4SLinus Torvalds help 16511da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16521da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16531da177e4SLinus Torvalds 16541da177e4SLinus Torvaldsconfig CPU_TX49XX 16551da177e4SLinus Torvalds bool "R49XX" 16567cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1657de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1658932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1659ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1660ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1661970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16621da177e4SLinus Torvalds 16631da177e4SLinus Torvaldsconfig CPU_R5000 16641da177e4SLinus Torvalds bool "R5000" 16657cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1666ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1667ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1668970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1669932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16701da177e4SLinus Torvalds help 16711da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16721da177e4SLinus Torvalds 1673542c1020SShinya Kuribayashiconfig CPU_R5500 1674542c1020SShinya Kuribayashi bool "R5500" 1675542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1676542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1677542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16789cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1679932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1680542c1020SShinya Kuribayashi help 1681542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1682542c1020SShinya Kuribayashi instruction set. 1683542c1020SShinya Kuribayashi 16841da177e4SLinus Torvaldsconfig CPU_NEVADA 16851da177e4SLinus Torvalds bool "RM52xx" 16867cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1687ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1688ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1689970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1690932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16911da177e4SLinus Torvalds help 16921da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16931da177e4SLinus Torvalds 16941da177e4SLinus Torvaldsconfig CPU_R10000 16951da177e4SLinus Torvalds bool "R10000" 16967cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16975e83d430SRalf Baechle select CPU_HAS_PREFETCH 1698932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1699ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1700ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1701797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1702970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17031da177e4SLinus Torvalds help 17041da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17051da177e4SLinus Torvalds 17061da177e4SLinus Torvaldsconfig CPU_RM7000 17071da177e4SLinus Torvalds bool "RM7000" 17087cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17095e83d430SRalf Baechle select CPU_HAS_PREFETCH 1710932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1711ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1712ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1713797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1714970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17151da177e4SLinus Torvalds 17161da177e4SLinus Torvaldsconfig CPU_SB1 17171da177e4SLinus Torvalds bool "SB1" 17187cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1719932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1720ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1721ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1722797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1723970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17240004a9dfSRalf Baechle select WEAK_ORDERING 17251da177e4SLinus Torvalds 1726a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1727a86c7f72SDavid Daney bool "Cavium Octeon processor" 17285e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1729a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1730932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1731a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1732a86c7f72SDavid Daney select WEAK_ORDERING 1733a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17349cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1735df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1736df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1737930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17380ae3abcdSJames Hogan select HAVE_KVM 1739a86c7f72SDavid Daney help 1740a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1741a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1742a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1743a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1744a86c7f72SDavid Daney 1745cd746249SJonas Gorskiconfig CPU_BMIPS 1746cd746249SJonas Gorski bool "Broadcom BMIPS" 1747cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1748cd746249SJonas Gorski select CPU_MIPS32 1749fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1750cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1751cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1752cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1753cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1754cd746249SJonas Gorski select DMA_NONCOHERENT 175567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1756cd746249SJonas Gorski select SWAP_IO_SPACE 1757cd746249SJonas Gorski select WEAK_ORDERING 1758c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 175969aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1760932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1761a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1762a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1763c1c0c461SKevin Cernekee help 1764fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1765c1c0c461SKevin Cernekee 17667f058e85SJayachandran Cconfig CPU_XLR 17677f058e85SJayachandran C bool "Netlogic XLR SoC" 17687f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1769932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17707f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17717f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17727f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1773970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17747f058e85SJayachandran C select WEAK_ORDERING 17757f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17767f058e85SJayachandran C help 17777f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17781c773ea4SJayachandran C 17791c773ea4SJayachandran Cconfig CPU_XLP 17801c773ea4SJayachandran C bool "Netlogic XLP SoC" 17811c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17821c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17831c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17841c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17851c773ea4SJayachandran C select WEAK_ORDERING 17861c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17871c773ea4SJayachandran C select CPU_HAS_PREFETCH 1788932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1789d6504846SJayachandran C select CPU_MIPSR2 1790ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17912db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17921c773ea4SJayachandran C help 17931c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17941da177e4SLinus Torvaldsendchoice 17951da177e4SLinus Torvalds 1796a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1797a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1798a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17997fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1800a6e18781SLeonid Yegoshin help 1801a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1802a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1803a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1804a6e18781SLeonid Yegoshin 1805a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1806a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1807a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1808a6e18781SLeonid Yegoshin select EVA 1809a6e18781SLeonid Yegoshin default y 1810a6e18781SLeonid Yegoshin help 1811a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1812a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1813a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1814a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1815a6e18781SLeonid Yegoshin 1816c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1817c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1818c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1819c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1820c5b36783SSteven J. Hill help 1821c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1822c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1823c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1824c5b36783SSteven J. Hill 1825c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1826c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1827c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1828c5b36783SSteven J. Hill depends on !EVA 1829c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1830c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1831c5b36783SSteven J. Hill select XPA 1832c5b36783SSteven J. Hill select HIGHMEM 1833d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1834c5b36783SSteven J. Hill default n 1835c5b36783SSteven J. Hill help 1836c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1837c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1838c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1839c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1840c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1841c5b36783SSteven J. Hill If unsure, say 'N' here. 1842c5b36783SSteven J. Hill 1843622844bfSWu Zhangjinif CPU_LOONGSON2F 1844622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1845622844bfSWu Zhangjin bool 1846622844bfSWu Zhangjin 1847622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1848622844bfSWu Zhangjin bool 1849622844bfSWu Zhangjin 1850622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1851622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1852622844bfSWu Zhangjin default y 1853622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1854622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1855622844bfSWu Zhangjin help 1856622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1857622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1858622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1859622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1860622844bfSWu Zhangjin 1861622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1862622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1863622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1864622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1865622844bfSWu Zhangjin systems. 1866622844bfSWu Zhangjin 1867622844bfSWu Zhangjin If unsure, please say Y. 1868622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1869622844bfSWu Zhangjin 18701b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18711b93b3c3SWu Zhangjin bool 18721b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18731b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 187431c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18751b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1876fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18774e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18781b93b3c3SWu Zhangjin 18791b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18801b93b3c3SWu Zhangjin bool 18811b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18821b93b3c3SWu Zhangjin 1883dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1884dbb98314SAlban Bedel bool 1885dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1886dbb98314SAlban Bedel 1887268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 18883702bba5SWu Zhangjin bool 18893702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18903702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18913702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1892970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1893e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1894932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18953702bba5SWu Zhangjin 1896ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1897ca585cf9SKelvin Cheung bool 1898ca585cf9SKelvin Cheung select CPU_MIPS32 18997e280f6bSJiaxun Yang select CPU_MIPSR2 1900ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1901932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1902ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1903ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1904f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1905ca585cf9SKelvin Cheung 1906fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 190704fa8bf7SJonas Gorski select SMP_UP if SMP 19081bbb6c1bSKevin Cernekee bool 1909cd746249SJonas Gorski 1910cd746249SJonas Gorskiconfig CPU_BMIPS4350 1911cd746249SJonas Gorski bool 1912cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1913cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1914cd746249SJonas Gorski 1915cd746249SJonas Gorskiconfig CPU_BMIPS4380 1916cd746249SJonas Gorski bool 1917bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1918cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1919cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1920b4720809SFlorian Fainelli select CPU_HAS_RIXI 1921cd746249SJonas Gorski 1922cd746249SJonas Gorskiconfig CPU_BMIPS5000 1923cd746249SJonas Gorski bool 1924cd746249SJonas Gorski select MIPS_CPU_SCACHE 1925bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1926cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1927cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1928b4720809SFlorian Fainelli select CPU_HAS_RIXI 19291bbb6c1bSKevin Cernekee 1930268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19310e476d91SHuacai Chen bool 19320e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1933b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19340e476d91SHuacai Chen 19353702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19362a21c730SFuxin Zhang bool 19372a21c730SFuxin Zhang 19386f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19396f7a251aSWu Zhangjin bool 194055045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 194155045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 194222f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19436f7a251aSWu Zhangjin 1944ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1945ca585cf9SKelvin Cheung bool 1946ca585cf9SKelvin Cheung 194712e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 194812e3280bSYang Ling bool 194912e3280bSYang Ling 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19547cf8053bSRalf Baechle bool 19557cf8053bSRalf Baechle 1956a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1957a6e18781SLeonid Yegoshin bool 1958a6e18781SLeonid Yegoshin 1959c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1960c5b36783SSteven J. Hill bool 19619ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1962c5b36783SSteven J. Hill 19637fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19647fd08ca5SLeonid Yegoshin bool 19659ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19667fd08ca5SLeonid Yegoshin 19677cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19687cf8053bSRalf Baechle bool 19697cf8053bSRalf Baechle 19707cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19717cf8053bSRalf Baechle bool 19727cf8053bSRalf Baechle 19737fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19747fd08ca5SLeonid Yegoshin bool 19759ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19767fd08ca5SLeonid Yegoshin 19777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19787cf8053bSRalf Baechle bool 19797cf8053bSRalf Baechle 19807cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19817cf8053bSRalf Baechle bool 19827cf8053bSRalf Baechle 19837cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19847cf8053bSRalf Baechle bool 19857cf8053bSRalf Baechle 19867cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19877cf8053bSRalf Baechle bool 19887cf8053bSRalf Baechle 19897cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19907cf8053bSRalf Baechle bool 19917cf8053bSRalf Baechle 19927cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19937cf8053bSRalf Baechle bool 19947cf8053bSRalf Baechle 1995542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1996542c1020SShinya Kuribayashi bool 1997542c1020SShinya Kuribayashi 19987cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19997cf8053bSRalf Baechle bool 20007cf8053bSRalf Baechle 20017cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20027cf8053bSRalf Baechle bool 20039ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20047cf8053bSRalf Baechle 20057cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20067cf8053bSRalf Baechle bool 20077cf8053bSRalf Baechle 20087cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20097cf8053bSRalf Baechle bool 20107cf8053bSRalf Baechle 20115e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20125e683389SDavid Daney bool 20135e683389SDavid Daney 2014cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2015c1c0c461SKevin Cernekee bool 2016c1c0c461SKevin Cernekee 2017fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2018c1c0c461SKevin Cernekee bool 2019cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2020c1c0c461SKevin Cernekee 2021c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2022c1c0c461SKevin Cernekee bool 2023cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2024c1c0c461SKevin Cernekee 2025c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2026c1c0c461SKevin Cernekee bool 2027cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2028c1c0c461SKevin Cernekee 2029c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2030c1c0c461SKevin Cernekee bool 2031cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2032f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2033c1c0c461SKevin Cernekee 20347f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20357f058e85SJayachandran C bool 20367f058e85SJayachandran C 20371c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20381c773ea4SJayachandran C bool 20391c773ea4SJayachandran C 204017099b11SRalf Baechle# 204117099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 204217099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 204317099b11SRalf Baechle# 20440004a9dfSRalf Baechleconfig WEAK_ORDERING 20450004a9dfSRalf Baechle bool 204617099b11SRalf Baechle 204717099b11SRalf Baechle# 204817099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 204917099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 205017099b11SRalf Baechle# 205117099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 205217099b11SRalf Baechle bool 20535e83d430SRalf Baechleendmenu 20545e83d430SRalf Baechle 20555e83d430SRalf Baechle# 20565e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20575e83d430SRalf Baechle# 20585e83d430SRalf Baechleconfig CPU_MIPS32 20595e83d430SRalf Baechle bool 20607fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20615e83d430SRalf Baechle 20625e83d430SRalf Baechleconfig CPU_MIPS64 20635e83d430SRalf Baechle bool 20647fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20655e83d430SRalf Baechle 20665e83d430SRalf Baechle# 206757eeacedSPaul Burton# These indicate the revision of the architecture 20685e83d430SRalf Baechle# 20695e83d430SRalf Baechleconfig CPU_MIPSR1 20705e83d430SRalf Baechle bool 20715e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20725e83d430SRalf Baechle 20735e83d430SRalf Baechleconfig CPU_MIPSR2 20745e83d430SRalf Baechle bool 2075a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20768256b17eSFlorian Fainelli select CPU_HAS_RIXI 2077a7e07b1aSMarkos Chandras select MIPS_SPRAM 20785e83d430SRalf Baechle 20797fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20807fd08ca5SLeonid Yegoshin bool 20817fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20828256b17eSFlorian Fainelli select CPU_HAS_RIXI 208387321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20842db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20854a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2086a7e07b1aSMarkos Chandras select MIPS_SPRAM 20875e83d430SRalf Baechle 208857eeacedSPaul Burtonconfig TARGET_ISA_REV 208957eeacedSPaul Burton int 209057eeacedSPaul Burton default 1 if CPU_MIPSR1 209157eeacedSPaul Burton default 2 if CPU_MIPSR2 209257eeacedSPaul Burton default 6 if CPU_MIPSR6 209357eeacedSPaul Burton default 0 209457eeacedSPaul Burton help 209557eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 209657eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 209757eeacedSPaul Burton 2098a6e18781SLeonid Yegoshinconfig EVA 2099a6e18781SLeonid Yegoshin bool 2100a6e18781SLeonid Yegoshin 2101c5b36783SSteven J. Hillconfig XPA 2102c5b36783SSteven J. Hill bool 2103c5b36783SSteven J. Hill 21045e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21055e83d430SRalf Baechle bool 21065e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21075e83d430SRalf Baechle bool 21085e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21095e83d430SRalf Baechle bool 21105e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21115e83d430SRalf Baechle bool 211255045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 211355045ff5SWu Zhangjin bool 211455045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 211555045ff5SWu Zhangjin bool 21169cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21179cffd154SDavid Daney bool 2118171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 211922f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 212022f1fdfdSWu Zhangjin bool 212182622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 212282622284SDavid Daney bool 2123cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21245e83d430SRalf Baechle 21258192c9eaSDavid Daney# 21268192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21278192c9eaSDavid Daney# 21288192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21298192c9eaSDavid Daney bool 2130679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21318192c9eaSDavid Daney 21325e83d430SRalf Baechlemenu "Kernel type" 21335e83d430SRalf Baechle 21345e83d430SRalf Baechlechoice 21355e83d430SRalf Baechle prompt "Kernel code model" 21365e83d430SRalf Baechle help 21375e83d430SRalf Baechle You should only select this option if you have a workload that 21385e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21395e83d430SRalf Baechle large memory. You will only be presented a single option in this 21405e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21415e83d430SRalf Baechle 21425e83d430SRalf Baechleconfig 32BIT 21435e83d430SRalf Baechle bool "32-bit kernel" 21445e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21455e83d430SRalf Baechle select TRAD_SIGNALS 21465e83d430SRalf Baechle help 21475e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2148f17c4ca3SRalf Baechle 21495e83d430SRalf Baechleconfig 64BIT 21505e83d430SRalf Baechle bool "64-bit kernel" 21515e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21525e83d430SRalf Baechle help 21535e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21545e83d430SRalf Baechle 21555e83d430SRalf Baechleendchoice 21565e83d430SRalf Baechle 21572235a54dSSanjay Lalconfig KVM_GUEST 21582235a54dSSanjay Lal bool "KVM Guest Kernel" 2159f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21602235a54dSSanjay Lal help 2161caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2162caa1faa7SJames Hogan mode. 21632235a54dSSanjay Lal 2164eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2165eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21662235a54dSSanjay Lal depends on KVM_GUEST 2167eda3d33cSJames Hogan default 100 21682235a54dSSanjay Lal help 2169eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2170eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2171eda3d33cSJames Hogan timer frequency is specified directly. 21722235a54dSSanjay Lal 21731e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21741e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21751e321fa9SLeonid Yegoshin depends on 64BIT 21761e321fa9SLeonid Yegoshin help 21773377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21783377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21793377e227SAlex Belits For page sizes 16k and above, this option results in a small 21803377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21813377e227SAlex Belits level of page tables is added which imposes both a memory 21823377e227SAlex Belits overhead as well as slower TLB fault handling. 21833377e227SAlex Belits 21841e321fa9SLeonid Yegoshin If unsure, say N. 21851e321fa9SLeonid Yegoshin 21861da177e4SLinus Torvaldschoice 21871da177e4SLinus Torvalds prompt "Kernel page size" 21881da177e4SLinus Torvalds default PAGE_SIZE_4KB 21891da177e4SLinus Torvalds 21901da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21911da177e4SLinus Torvalds bool "4kB" 2192268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 21931da177e4SLinus Torvalds help 21941da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21951da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21961da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21971da177e4SLinus Torvalds recommended for low memory systems. 21981da177e4SLinus Torvalds 21991da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22001da177e4SLinus Torvalds bool "8kB" 2201c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22021e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22031da177e4SLinus Torvalds help 22041da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22051da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2206c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2207c2aeaaeaSPaul Burton distribution to support this. 22081da177e4SLinus Torvalds 22091da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22101da177e4SLinus Torvalds bool "16kB" 2211714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22121da177e4SLinus Torvalds help 22131da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22141da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2215714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2216714bfad6SRalf Baechle Linux distribution to support this. 22171da177e4SLinus Torvalds 2218c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2219c52399beSRalf Baechle bool "32kB" 2220c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22211e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2222c52399beSRalf Baechle help 2223c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2224c52399beSRalf Baechle the price of higher memory consumption. This option is available 2225c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2226c52399beSRalf Baechle distribution to support this. 2227c52399beSRalf Baechle 22281da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22291da177e4SLinus Torvalds bool "64kB" 22303b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22311da177e4SLinus Torvalds help 22321da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22331da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22341da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2235714bfad6SRalf Baechle writing this option is still high experimental. 22361da177e4SLinus Torvalds 22371da177e4SLinus Torvaldsendchoice 22381da177e4SLinus Torvalds 2239c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2240c9bace7cSDavid Daney int "Maximum zone order" 2241e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2242e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2243e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2244e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2245e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2246e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2247c9bace7cSDavid Daney range 11 64 2248c9bace7cSDavid Daney default "11" 2249c9bace7cSDavid Daney help 2250c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2251c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2252c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2253c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2254c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2255c9bace7cSDavid Daney increase this value. 2256c9bace7cSDavid Daney 2257c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2258c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2259c9bace7cSDavid Daney 2260c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2261c9bace7cSDavid Daney when choosing a value for this option. 2262c9bace7cSDavid Daney 22631da177e4SLinus Torvaldsconfig BOARD_SCACHE 22641da177e4SLinus Torvalds bool 22651da177e4SLinus Torvalds 22661da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22671da177e4SLinus Torvalds bool 22681da177e4SLinus Torvalds select BOARD_SCACHE 22691da177e4SLinus Torvalds 22709318c51aSChris Dearman# 22719318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22729318c51aSChris Dearman# 22739318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22749318c51aSChris Dearman bool 22759318c51aSChris Dearman select BOARD_SCACHE 22769318c51aSChris Dearman 22771da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22781da177e4SLinus Torvalds bool 22791da177e4SLinus Torvalds select BOARD_SCACHE 22801da177e4SLinus Torvalds 22811da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22821da177e4SLinus Torvalds bool 22831da177e4SLinus Torvalds select BOARD_SCACHE 22841da177e4SLinus Torvalds 22851da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22861da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22871da177e4SLinus Torvalds depends on CPU_SB1 22881da177e4SLinus Torvalds help 22891da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22901da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22911da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22921da177e4SLinus Torvalds 22931da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2294c8094b53SRalf Baechle bool 22951da177e4SLinus Torvalds 22963165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22973165c846SFlorian Fainelli bool 2298c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22993165c846SFlorian Fainelli 2300c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2301183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2302183b40f9SPaul Burton default y 2303183b40f9SPaul Burton help 2304183b40f9SPaul Burton Select y to include support for floating point in the kernel 2305183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2306183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2307183b40f9SPaul Burton userland program attempting to use floating point instructions will 2308183b40f9SPaul Burton receive a SIGILL. 2309183b40f9SPaul Burton 2310183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2311183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2312183b40f9SPaul Burton 2313183b40f9SPaul Burton If unsure, say y. 2314c92e47e5SPaul Burton 231597f7dcbfSPaul Burtonconfig CPU_R2300_FPU 231697f7dcbfSPaul Burton bool 2317c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 231897f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 231997f7dcbfSPaul Burton 232054746829SPaul Burtonconfig CPU_R3K_TLB 232154746829SPaul Burton bool 232254746829SPaul Burton 232391405eb6SFlorian Fainelliconfig CPU_R4K_FPU 232491405eb6SFlorian Fainelli bool 2325c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 232697f7dcbfSPaul Burton default y if !CPU_R2300_FPU 232791405eb6SFlorian Fainelli 232862cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 232962cedc4fSFlorian Fainelli bool 233054746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 233162cedc4fSFlorian Fainelli 233259d6ab86SRalf Baechleconfig MIPS_MT_SMP 2333a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23345cbf9688SPaul Burton default y 2335527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 233659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2337d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2338c080faa5SSteven J. Hill select SYNC_R4K 233959d6ab86SRalf Baechle select MIPS_MT 234059d6ab86SRalf Baechle select SMP 234187353d8aSRalf Baechle select SMP_UP 2342c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2343c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2344399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 234559d6ab86SRalf Baechle help 2346c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2347c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2348c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2349c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2350c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 235159d6ab86SRalf Baechle 2352f41ae0b2SRalf Baechleconfig MIPS_MT 2353f41ae0b2SRalf Baechle bool 2354f41ae0b2SRalf Baechle 23550ab7aefcSRalf Baechleconfig SCHED_SMT 23560ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23570ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23580ab7aefcSRalf Baechle default n 23590ab7aefcSRalf Baechle help 23600ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23610ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23620ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23630ab7aefcSRalf Baechle 23640ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23650ab7aefcSRalf Baechle bool 23660ab7aefcSRalf Baechle 2367f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2368f41ae0b2SRalf Baechle bool 2369f41ae0b2SRalf Baechle 2370f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2371f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2372f088fc84SRalf Baechle default y 2373b633648cSRalf Baechle depends on MIPS_MT_SMP 237407cc0c9eSRalf Baechle 2375b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2376b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23779eaa9a82SPaul Burton depends on CPU_MIPSR6 2378c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2379b0a668fbSLeonid Yegoshin default y 2380b0a668fbSLeonid Yegoshin help 2381b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2382b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 238307edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2384b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2385b0a668fbSLeonid Yegoshin final kernel image. 2386b0a668fbSLeonid Yegoshin 2387f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2388f35764e7SJames Hogan bool 2389f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2390f35764e7SJames Hogan help 2391f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2392f35764e7SJames Hogan physical_memsize. 2393f35764e7SJames Hogan 239407cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 239507cc0c9eSRalf Baechle bool "VPE loader support." 2396f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 239707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 239807cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 239907cc0c9eSRalf Baechle select MIPS_MT 240007cc0c9eSRalf Baechle help 240107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 240207cc0c9eSRalf Baechle onto another VPE and running it. 2403f088fc84SRalf Baechle 240417a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 240517a1d523SDeng-Cheng Zhu bool 240617a1d523SDeng-Cheng Zhu default "y" 240717a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 240817a1d523SDeng-Cheng Zhu 24091a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24101a2a6d7eSDeng-Cheng Zhu bool 24111a2a6d7eSDeng-Cheng Zhu default "y" 24121a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24131a2a6d7eSDeng-Cheng Zhu 2414e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2415e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2416e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2417e01402b1SRalf Baechle default y 2418e01402b1SRalf Baechle help 2419e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2420e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2421e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2422e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2423e01402b1SRalf Baechle 2424e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2425e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2426e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2427e01402b1SRalf Baechle 2428da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2429da615cf6SDeng-Cheng Zhu bool 2430da615cf6SDeng-Cheng Zhu default "y" 2431da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2432da615cf6SDeng-Cheng Zhu 24332c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24342c973ef0SDeng-Cheng Zhu bool 24352c973ef0SDeng-Cheng Zhu default "y" 24362c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24372c973ef0SDeng-Cheng Zhu 24384a16ff4cSRalf Baechleconfig MIPS_CMP 24395cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24405676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2441b10b43baSMarkos Chandras select SMP 2442eb9b5141STim Anderson select SYNC_R4K 2443b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24444a16ff4cSRalf Baechle select WEAK_ORDERING 24454a16ff4cSRalf Baechle default n 24464a16ff4cSRalf Baechle help 2447044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2448044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2449044505c7SPaul Burton its ability to start secondary CPUs. 24504a16ff4cSRalf Baechle 24515cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24525cac93b3SPaul Burton instead of this. 24535cac93b3SPaul Burton 24540ee958e1SPaul Burtonconfig MIPS_CPS 24550ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24565a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24570ee958e1SPaul Burton select MIPS_CM 24581d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24590ee958e1SPaul Burton select SMP 24600ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24611d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2462c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24630ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24640ee958e1SPaul Burton select WEAK_ORDERING 24650ee958e1SPaul Burton help 24660ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24670ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24680ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24690ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24700ee958e1SPaul Burton support is unavailable. 24710ee958e1SPaul Burton 24723179d37eSPaul Burtonconfig MIPS_CPS_PM 247339a59593SMarkos Chandras depends on MIPS_CPS 24743179d37eSPaul Burton bool 24753179d37eSPaul Burton 24769f98f3ddSPaul Burtonconfig MIPS_CM 24779f98f3ddSPaul Burton bool 24783c9b4166SPaul Burton select MIPS_CPC 24799f98f3ddSPaul Burton 24809c38cf44SPaul Burtonconfig MIPS_CPC 24819c38cf44SPaul Burton bool 24822600990eSRalf Baechle 24831da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24841da177e4SLinus Torvalds bool 24851da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24861da177e4SLinus Torvalds default y 24871da177e4SLinus Torvalds 24881da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24891da177e4SLinus Torvalds bool 24901da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24911da177e4SLinus Torvalds default y 24921da177e4SLinus Torvalds 24939e2b5372SMarkos Chandraschoice 24949e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24959e2b5372SMarkos Chandras 24969e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24979e2b5372SMarkos Chandras bool "None" 24989e2b5372SMarkos Chandras help 24999e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25009e2b5372SMarkos Chandras 25019693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25029693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25039e2b5372SMarkos Chandras bool "SmartMIPS" 25049693a853SFranck Bui-Huu help 25059693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25069693a853SFranck Bui-Huu increased security at both hardware and software level for 25079693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25089693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25099693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25109693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25119693a853SFranck Bui-Huu here. 25129693a853SFranck Bui-Huu 2513bce86083SSteven J. Hillconfig CPU_MICROMIPS 25147fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25159e2b5372SMarkos Chandras bool "microMIPS" 2516bce86083SSteven J. Hill help 2517bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2518bce86083SSteven J. Hill microMIPS ISA 2519bce86083SSteven J. Hill 25209e2b5372SMarkos Chandrasendchoice 25219e2b5372SMarkos Chandras 2522a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25230ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2524a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2525c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25262a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2527a5e9a69eSPaul Burton help 2528a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2529a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25301db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25311db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25321db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25331db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25341db1af84SPaul Burton the size & complexity of your kernel. 2535a5e9a69eSPaul Burton 2536a5e9a69eSPaul Burton If unsure, say Y. 2537a5e9a69eSPaul Burton 25381da177e4SLinus Torvaldsconfig CPU_HAS_WB 2539f7062ddbSRalf Baechle bool 2540e01402b1SRalf Baechle 2541df0ac8a4SKevin Cernekeeconfig XKS01 2542df0ac8a4SKevin Cernekee bool 2543df0ac8a4SKevin Cernekee 25448256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25458256b17eSFlorian Fainelli bool 25468256b17eSFlorian Fainelli 2547932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2548932afdeeSYasha Cherikovsky bool 2549932afdeeSYasha Cherikovsky help 2550932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2551932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2552932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2553932afdeeSYasha Cherikovsky 2554f41ae0b2SRalf Baechle# 2555f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2556f41ae0b2SRalf Baechle# 2557e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2558f41ae0b2SRalf Baechle bool 2559e01402b1SRalf Baechle 2560f41ae0b2SRalf Baechle# 2561f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2562f41ae0b2SRalf Baechle# 2563e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2564f41ae0b2SRalf Baechle bool 2565e01402b1SRalf Baechle 25661da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25671da177e4SLinus Torvalds bool 25681da177e4SLinus Torvalds depends on !CPU_R3000 25691da177e4SLinus Torvalds default y 25701da177e4SLinus Torvalds 25711da177e4SLinus Torvalds# 257220d60d99SMaciej W. Rozycki# CPU non-features 257320d60d99SMaciej W. Rozycki# 257420d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 257520d60d99SMaciej W. Rozycki bool 257620d60d99SMaciej W. Rozycki 257720d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 257820d60d99SMaciej W. Rozycki bool 257920d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 258020d60d99SMaciej W. Rozycki 258120d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 258220d60d99SMaciej W. Rozycki bool 258320d60d99SMaciej W. Rozycki 2584071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2585071d2f0bSPaul Burton bool 2586071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2587071d2f0bSPaul Burton 25884edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25894edf00a4SPaul Burton int 25904edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25914edf00a4SPaul Burton default 0 25924edf00a4SPaul Burton 25934edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25944edf00a4SPaul Burton int 25952db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25964edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25974edf00a4SPaul Burton default 8 25984edf00a4SPaul Burton 25992db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26002db003a5SPaul Burton bool 26012db003a5SPaul Burton 26024a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26034a5dc51eSMarcin Nowakowski bool 26044a5dc51eSMarcin Nowakowski 260520d60d99SMaciej W. Rozycki# 26061da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26071da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26081da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26091da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26101da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26111da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26121da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26131da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2614797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2615797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2616797798c1SRalf Baechle# support. 26171da177e4SLinus Torvalds# 26181da177e4SLinus Torvaldsconfig HIGHMEM 26191da177e4SLinus Torvalds bool "High Memory Support" 2620a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2621797798c1SRalf Baechle 2622797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2623797798c1SRalf Baechle bool 2624797798c1SRalf Baechle 2625797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2626797798c1SRalf Baechle bool 26271da177e4SLinus Torvalds 26289693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26299693a853SFranck Bui-Huu bool 26309693a853SFranck Bui-Huu 2631a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2632a6a4834cSSteven J. Hill bool 2633a6a4834cSSteven J. Hill 2634377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2635377cb1b6SRalf Baechle bool 2636377cb1b6SRalf Baechle help 2637377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2638377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2639377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2640377cb1b6SRalf Baechle 2641a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2642a5e9a69eSPaul Burton bool 2643a5e9a69eSPaul Burton 2644b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2645b4819b59SYoichi Yuasa def_bool y 2646268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2647b4819b59SYoichi Yuasa 2648b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2649b1c6cd42SAtsushi Nemoto bool 2650397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 265131473747SAtsushi Nemoto 2652d8cb4e11SRalf Baechleconfig NUMA 2653d8cb4e11SRalf Baechle bool "NUMA Support" 2654d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2655d8cb4e11SRalf Baechle help 2656d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2657d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2658d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2659d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2660d8cb4e11SRalf Baechle disabled. 2661d8cb4e11SRalf Baechle 2662d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2663d8cb4e11SRalf Baechle bool 2664d8cb4e11SRalf Baechle 26658c530ea3SMatt Redfearnconfig RELOCATABLE 26668c530ea3SMatt Redfearn bool "Relocatable kernel" 26673ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26688c530ea3SMatt Redfearn help 26698c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26708c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26718c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26728c530ea3SMatt Redfearn but are discarded at runtime 26738c530ea3SMatt Redfearn 2674069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2675069fd766SMatt Redfearn hex "Relocation table size" 2676069fd766SMatt Redfearn depends on RELOCATABLE 2677069fd766SMatt Redfearn range 0x0 0x01000000 2678069fd766SMatt Redfearn default "0x00100000" 2679069fd766SMatt Redfearn ---help--- 2680069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2681069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2682069fd766SMatt Redfearn 2683069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2684069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2685069fd766SMatt Redfearn 2686069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2687069fd766SMatt Redfearn 2688069fd766SMatt Redfearn If unsure, leave at the default value. 2689069fd766SMatt Redfearn 2690405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2691405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2692405bc8fdSMatt Redfearn depends on RELOCATABLE 2693405bc8fdSMatt Redfearn ---help--- 2694405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2695405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2696405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2697405bc8fdSMatt Redfearn of kernel internals. 2698405bc8fdSMatt Redfearn 2699405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2700405bc8fdSMatt Redfearn 2701405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2702405bc8fdSMatt Redfearn 2703405bc8fdSMatt Redfearn If unsure, say N. 2704405bc8fdSMatt Redfearn 2705405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2706405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2707405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2708405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2709405bc8fdSMatt Redfearn range 0x0 0x08000000 2710405bc8fdSMatt Redfearn default "0x01000000" 2711405bc8fdSMatt Redfearn ---help--- 2712405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2713405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2714405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2715405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2716405bc8fdSMatt Redfearn 2717405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2718405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2719405bc8fdSMatt Redfearn 2720c80d79d7SYasunori Gotoconfig NODES_SHIFT 2721c80d79d7SYasunori Goto int 2722c80d79d7SYasunori Goto default "6" 2723c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2724c80d79d7SYasunori Goto 272514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 272614f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2727268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 272814f70012SDeng-Cheng Zhu default y 272914f70012SDeng-Cheng Zhu help 273014f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 273114f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 273214f70012SDeng-Cheng Zhu 27331da177e4SLinus Torvaldsconfig SMP 27341da177e4SLinus Torvalds bool "Multi-Processing support" 2735e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2736e73ea273SRalf Baechle help 27371da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27384a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27394a474157SRobert Graffham than one CPU, say Y. 27401da177e4SLinus Torvalds 27414a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27421da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27431da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27444a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27451da177e4SLinus Torvalds will run faster if you say N here. 27461da177e4SLinus Torvalds 27471da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27481da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27491da177e4SLinus Torvalds 275003502faaSAdrian Bunk See also the SMP-HOWTO available at 275103502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27521da177e4SLinus Torvalds 27531da177e4SLinus Torvalds If you don't know what to do here, say N. 27541da177e4SLinus Torvalds 27557840d618SMatt Redfearnconfig HOTPLUG_CPU 27567840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27577840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27587840d618SMatt Redfearn help 27597840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27607840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27617840d618SMatt Redfearn (Note: power management support will enable this option 27627840d618SMatt Redfearn automatically on SMP systems. ) 27637840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27647840d618SMatt Redfearn 276587353d8aSRalf Baechleconfig SMP_UP 276687353d8aSRalf Baechle bool 276787353d8aSRalf Baechle 27684a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27694a16ff4cSRalf Baechle bool 27704a16ff4cSRalf Baechle 27710ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27720ee958e1SPaul Burton bool 27730ee958e1SPaul Burton 2774e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2775e73ea273SRalf Baechle bool 2776e73ea273SRalf Baechle 2777130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2778130e2fb7SRalf Baechle bool 2779130e2fb7SRalf Baechle 2780130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2781130e2fb7SRalf Baechle bool 2782130e2fb7SRalf Baechle 2783130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2784130e2fb7SRalf Baechle bool 2785130e2fb7SRalf Baechle 2786130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2787130e2fb7SRalf Baechle bool 2788130e2fb7SRalf Baechle 2789130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2790130e2fb7SRalf Baechle bool 2791130e2fb7SRalf Baechle 27921da177e4SLinus Torvaldsconfig NR_CPUS 2793a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2794a91796a9SJayachandran C range 2 256 27951da177e4SLinus Torvalds depends on SMP 2796130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2797130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2798130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2799130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2800130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28011da177e4SLinus Torvalds help 28021da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28031da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28041da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 280572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 280672ede9b1SAtsushi Nemoto and 2 for all others. 28071da177e4SLinus Torvalds 28081da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 280972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 281072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 281172ede9b1SAtsushi Nemoto power of two. 28121da177e4SLinus Torvalds 2813399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2814399aaa25SAl Cooper bool 2815399aaa25SAl Cooper 28167820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28177820b84bSDavid Daney bool 28187820b84bSDavid Daney 28197820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28207820b84bSDavid Daney int 28217820b84bSDavid Daney depends on SMP 28227820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28237820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28247820b84bSDavid Daney 28251723b4a3SAtsushi Nemoto# 28261723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28271723b4a3SAtsushi Nemoto# 28281723b4a3SAtsushi Nemoto 28291723b4a3SAtsushi Nemotochoice 28301723b4a3SAtsushi Nemoto prompt "Timer frequency" 28311723b4a3SAtsushi Nemoto default HZ_250 28321723b4a3SAtsushi Nemoto help 28331723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28341723b4a3SAtsushi Nemoto 283567596573SPaul Burton config HZ_24 283667596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 283767596573SPaul Burton 28381723b4a3SAtsushi Nemoto config HZ_48 28390f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28401723b4a3SAtsushi Nemoto 28411723b4a3SAtsushi Nemoto config HZ_100 28421723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28431723b4a3SAtsushi Nemoto 28441723b4a3SAtsushi Nemoto config HZ_128 28451723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28461723b4a3SAtsushi Nemoto 28471723b4a3SAtsushi Nemoto config HZ_250 28481723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28491723b4a3SAtsushi Nemoto 28501723b4a3SAtsushi Nemoto config HZ_256 28511723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28521723b4a3SAtsushi Nemoto 28531723b4a3SAtsushi Nemoto config HZ_1000 28541723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28551723b4a3SAtsushi Nemoto 28561723b4a3SAtsushi Nemoto config HZ_1024 28571723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28581723b4a3SAtsushi Nemoto 28591723b4a3SAtsushi Nemotoendchoice 28601723b4a3SAtsushi Nemoto 286167596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 286267596573SPaul Burton bool 286367596573SPaul Burton 28641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28651723b4a3SAtsushi Nemoto bool 28661723b4a3SAtsushi Nemoto 28671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28681723b4a3SAtsushi Nemoto bool 28691723b4a3SAtsushi Nemoto 28701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28711723b4a3SAtsushi Nemoto bool 28721723b4a3SAtsushi Nemoto 28731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28741723b4a3SAtsushi Nemoto bool 28751723b4a3SAtsushi Nemoto 28761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28771723b4a3SAtsushi Nemoto bool 28781723b4a3SAtsushi Nemoto 28791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28801723b4a3SAtsushi Nemoto bool 28811723b4a3SAtsushi Nemoto 28821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28831723b4a3SAtsushi Nemoto bool 28841723b4a3SAtsushi Nemoto 28851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28861723b4a3SAtsushi Nemoto bool 288767596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 288867596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 288967596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 289067596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 289167596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 289267596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 289367596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28941723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28951723b4a3SAtsushi Nemoto 28961723b4a3SAtsushi Nemotoconfig HZ 28971723b4a3SAtsushi Nemoto int 289867596573SPaul Burton default 24 if HZ_24 28991723b4a3SAtsushi Nemoto default 48 if HZ_48 29001723b4a3SAtsushi Nemoto default 100 if HZ_100 29011723b4a3SAtsushi Nemoto default 128 if HZ_128 29021723b4a3SAtsushi Nemoto default 250 if HZ_250 29031723b4a3SAtsushi Nemoto default 256 if HZ_256 29041723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29051723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29061723b4a3SAtsushi Nemoto 290796685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 290896685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 290996685b17SDeng-Cheng Zhu 2910ea6e942bSAtsushi Nemotoconfig KEXEC 29117d60717eSKees Cook bool "Kexec system call" 29122965faa5SDave Young select KEXEC_CORE 2913ea6e942bSAtsushi Nemoto help 2914ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2915ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29163dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2917ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2918ea6e942bSAtsushi Nemoto 291901dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2920ea6e942bSAtsushi Nemoto 2921ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2922ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2923bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2924bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2925bf220695SGeert Uytterhoeven made. 2926ea6e942bSAtsushi Nemoto 29277aa1c8f4SRalf Baechleconfig CRASH_DUMP 29287aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29297aa1c8f4SRalf Baechle help 29307aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29317aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29327aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29337aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29347aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29357aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29367aa1c8f4SRalf Baechle PHYSICAL_START. 29377aa1c8f4SRalf Baechle 29387aa1c8f4SRalf Baechleconfig PHYSICAL_START 29397aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29408bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29417aa1c8f4SRalf Baechle depends on CRASH_DUMP 29427aa1c8f4SRalf Baechle help 29437aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29447aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29457aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29467aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29477aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29487aa1c8f4SRalf Baechle 2949ea6e942bSAtsushi Nemotoconfig SECCOMP 2950ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2951293c5bd1SRalf Baechle depends on PROC_FS 2952ea6e942bSAtsushi Nemoto default y 2953ea6e942bSAtsushi Nemoto help 2954ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2955ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2956ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2957ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2958ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2959ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2960ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2961ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2962ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2963ea6e942bSAtsushi Nemoto 2964ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2965ea6e942bSAtsushi Nemoto 2966597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2967b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2968597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2969597ce172SPaul Burton help 2970597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2971597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2972597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2973597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2974597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2975597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2976597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2977597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2978597ce172SPaul Burton saying N here. 2979597ce172SPaul Burton 298006e2e882SPaul Burton Although binutils currently supports use of this flag the details 298106e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 298206e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 298306e2e882SPaul Burton behaviour before the details have been finalised, this option should 298406e2e882SPaul Burton be considered experimental and only enabled by those working upon 298506e2e882SPaul Burton said details. 298606e2e882SPaul Burton 298706e2e882SPaul Burton If unsure, say N. 2988597ce172SPaul Burton 2989f2ffa5abSDezhong Diaoconfig USE_OF 29900b3e06fdSJonas Gorski bool 2991f2ffa5abSDezhong Diao select OF 2992e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2993abd2363fSGrant Likely select IRQ_DOMAIN 2994f2ffa5abSDezhong Diao 29952fe8ea39SDengcheng Zhuconfig UHI_BOOT 29962fe8ea39SDengcheng Zhu bool 29972fe8ea39SDengcheng Zhu 29987fafb068SAndrew Brestickerconfig BUILTIN_DTB 29997fafb068SAndrew Bresticker bool 30007fafb068SAndrew Bresticker 30011da8f179SJonas Gorskichoice 30025b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30031da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30041da8f179SJonas Gorski 30051da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30061da8f179SJonas Gorski bool "None" 30071da8f179SJonas Gorski help 30081da8f179SJonas Gorski Do not enable appended dtb support. 30091da8f179SJonas Gorski 301087db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 301187db537dSAaro Koskinen bool "vmlinux" 301287db537dSAaro Koskinen help 301387db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 301487db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 301587db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 301687db537dSAaro Koskinen objcopy: 301787db537dSAaro Koskinen 301887db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 301987db537dSAaro Koskinen 302087db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 302187db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 302287db537dSAaro Koskinen the documented boot protocol using a device tree. 302387db537dSAaro Koskinen 30241da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3025b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30261da8f179SJonas Gorski help 30271da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3028b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30291da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30301da8f179SJonas Gorski 30311da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30321da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30331da8f179SJonas Gorski the documented boot protocol using a device tree. 30341da8f179SJonas Gorski 30351da8f179SJonas Gorski Beware that there is very little in terms of protection against 30361da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30371da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30381da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30391da8f179SJonas Gorski if you don't intend to always append a DTB. 30401da8f179SJonas Gorskiendchoice 30411da8f179SJonas Gorski 30422024972eSJonas Gorskichoice 30432024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30442bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30453f5f0a44SPaul Burton !MIPS_MALTA && \ 30462bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30472024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30482024972eSJonas Gorski 30492024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30502024972eSJonas Gorski depends on USE_OF 30512024972eSJonas Gorski bool "Dtb kernel arguments if available" 30522024972eSJonas Gorski 30532024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30542024972eSJonas Gorski depends on USE_OF 30552024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30562024972eSJonas Gorski 30572024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30582024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3059ed47e153SRabin Vincent 3060ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3061ed47e153SRabin Vincent depends on CMDLINE_BOOL 3062ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30632024972eSJonas Gorskiendchoice 30642024972eSJonas Gorski 30655e83d430SRalf Baechleendmenu 30665e83d430SRalf Baechle 30671df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30681df0f0ffSAtsushi Nemoto bool 30691df0f0ffSAtsushi Nemoto default y 30701df0f0ffSAtsushi Nemoto 30711df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30721df0f0ffSAtsushi Nemoto bool 30731df0f0ffSAtsushi Nemoto default y 30741df0f0ffSAtsushi Nemoto 3075a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3076a728ab52SKirill A. Shutemov int 30773377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3078a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3079a728ab52SKirill A. Shutemov default 2 3080a728ab52SKirill A. Shutemov 30816c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30826c359eb1SPaul Burton bool 30836c359eb1SPaul Burton 30841da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30851da177e4SLinus Torvalds 3086c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30872eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3088c5611df9SPaul Burton bool 3089c5611df9SPaul Burton 3090c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3091c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3092c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30932eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30941da177e4SLinus Torvalds 30951da177e4SLinus Torvalds# 30961da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30971da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30981da177e4SLinus Torvalds# users to choose the right thing ... 30991da177e4SLinus Torvalds# 31001da177e4SLinus Torvaldsconfig ISA 31011da177e4SLinus Torvalds bool 31021da177e4SLinus Torvalds 31031da177e4SLinus Torvaldsconfig TC 31041da177e4SLinus Torvalds bool "TURBOchannel support" 31051da177e4SLinus Torvalds depends on MACH_DECSTATION 31061da177e4SLinus Torvalds help 310750a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 310850a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 310950a23e6eSJustin P. Mattock at: 311050a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 311150a23e6eSJustin P. Mattock and: 311250a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 311350a23e6eSJustin P. Mattock Linux driver support status is documented at: 311450a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31151da177e4SLinus Torvalds 31161da177e4SLinus Torvaldsconfig MMU 31171da177e4SLinus Torvalds bool 31181da177e4SLinus Torvalds default y 31191da177e4SLinus Torvalds 3120109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3121109c32ffSMatt Redfearn default 12 if 64BIT 3122109c32ffSMatt Redfearn default 8 3123109c32ffSMatt Redfearn 3124109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3125109c32ffSMatt Redfearn default 18 if 64BIT 3126109c32ffSMatt Redfearn default 15 3127109c32ffSMatt Redfearn 3128109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3129109c32ffSMatt Redfearn default 8 3130109c32ffSMatt Redfearn 3131109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3132109c32ffSMatt Redfearn default 15 3133109c32ffSMatt Redfearn 3134d865bea4SRalf Baechleconfig I8253 3135d865bea4SRalf Baechle bool 3136798778b8SRussell King select CLKSRC_I8253 31372d02612fSThomas Gleixner select CLKEVT_I8253 31389726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3139d865bea4SRalf Baechle 3140e05eb3f8SRalf Baechleconfig ZONE_DMA 3141e05eb3f8SRalf Baechle bool 3142e05eb3f8SRalf Baechle 3143cce335aeSRalf Baechleconfig ZONE_DMA32 3144cce335aeSRalf Baechle bool 3145cce335aeSRalf Baechle 31461da177e4SLinus Torvaldsendmenu 31471da177e4SLinus Torvalds 31481da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31491da177e4SLinus Torvalds bool 31501da177e4SLinus Torvalds 31511da177e4SLinus Torvaldsconfig MIPS32_COMPAT 315278aaf956SRalf Baechle bool 31531da177e4SLinus Torvalds 31541da177e4SLinus Torvaldsconfig COMPAT 31551da177e4SLinus Torvalds bool 31561da177e4SLinus Torvalds 315705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 315805e43966SAtsushi Nemoto bool 315905e43966SAtsushi Nemoto 31601da177e4SLinus Torvaldsconfig MIPS32_O32 31611da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 316278aaf956SRalf Baechle depends on 64BIT 316378aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 316478aaf956SRalf Baechle select COMPAT 316578aaf956SRalf Baechle select MIPS32_COMPAT 316678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31671da177e4SLinus Torvalds help 31681da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31691da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31701da177e4SLinus Torvalds existing binaries are in this format. 31711da177e4SLinus Torvalds 31721da177e4SLinus Torvalds If unsure, say Y. 31731da177e4SLinus Torvalds 31741da177e4SLinus Torvaldsconfig MIPS32_N32 31751da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3176c22eacfeSRalf Baechle depends on 64BIT 31775a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 317878aaf956SRalf Baechle select COMPAT 317978aaf956SRalf Baechle select MIPS32_COMPAT 318078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31811da177e4SLinus Torvalds help 31821da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31831da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31841da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31851da177e4SLinus Torvalds cases. 31861da177e4SLinus Torvalds 31871da177e4SLinus Torvalds If unsure, say N. 31881da177e4SLinus Torvalds 31891da177e4SLinus Torvaldsconfig BINFMT_ELF32 31901da177e4SLinus Torvalds bool 31911da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3192f43edca7SRalf Baechle select ELFCORE 31931da177e4SLinus Torvalds 31942116245eSRalf Baechlemenu "Power management options" 3195952fa954SRodolfo Giometti 3196363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3197363c55caSWu Zhangjin def_bool y 31983f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3199363c55caSWu Zhangjin 3200f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3201f4cb5700SJohannes Berg def_bool y 32023f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3203f4cb5700SJohannes Berg 32042116245eSRalf Baechlesource "kernel/power/Kconfig" 3205952fa954SRodolfo Giometti 32061da177e4SLinus Torvaldsendmenu 32071da177e4SLinus Torvalds 32087a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32097a998935SViresh Kumar bool 32107a998935SViresh Kumar 32117a998935SViresh Kumarmenu "CPU Power Management" 3212c095ebafSPaul Burton 3213c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32147a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32157a998935SViresh Kumarendif 32169726b43aSWu Zhangjin 3217c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3218c095ebafSPaul Burton 3219c095ebafSPaul Burtonendmenu 3220c095ebafSPaul Burton 322198cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 322298cdee0eSRalf Baechle 32232235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3224