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 447*caed1d1bSHuacai Chen bool "Loongson 32-bit 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 463*caed1d1bSHuacai Chen bool "Loongson 64-bit family of machines" 4646fbde6b4SJiaxun Yang select ARCH_SPARSEMEM_ENABLE 4656fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_PARPORT 4666fbde6b4SJiaxun Yang select ARCH_MIGHT_HAVE_PC_SERIO 4676fbde6b4SJiaxun Yang select GENERIC_ISA_DMA_SUPPORT_BROKEN 4686fbde6b4SJiaxun Yang select BOOT_ELF32 4696fbde6b4SJiaxun Yang select BOARD_SCACHE 4706fbde6b4SJiaxun Yang select CSRC_R4K 4716fbde6b4SJiaxun Yang select CEVT_R4K 4726fbde6b4SJiaxun Yang select CPU_HAS_WB 4736fbde6b4SJiaxun Yang select FORCE_PCI 4746fbde6b4SJiaxun Yang select ISA 4756fbde6b4SJiaxun Yang select I8259 4766fbde6b4SJiaxun Yang select IRQ_MIPS_CPU 4776fbde6b4SJiaxun Yang select NR_CPUS_DEFAULT_4 4786fbde6b4SJiaxun Yang select USE_GENERIC_EARLY_PRINTK_8250 4796fbde6b4SJiaxun Yang select SYS_HAS_CPU_LOONGSON64 4806fbde6b4SJiaxun Yang select SYS_HAS_EARLY_PRINTK 4816fbde6b4SJiaxun Yang select SYS_SUPPORTS_SMP 4826fbde6b4SJiaxun Yang select SYS_SUPPORTS_HOTPLUG_CPU 4836fbde6b4SJiaxun Yang select SYS_SUPPORTS_NUMA 4846fbde6b4SJiaxun Yang select SYS_SUPPORTS_64BIT_KERNEL 4856fbde6b4SJiaxun Yang select SYS_SUPPORTS_HIGHMEM 4866fbde6b4SJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 48771e2f4ddSJiaxun Yang select SYS_SUPPORTS_ZBOOT 4886fbde6b4SJiaxun Yang select LOONGSON_MC146818 4896fbde6b4SJiaxun Yang select ZONE_DMA32 4906fbde6b4SJiaxun Yang select NUMA 49171e2f4ddSJiaxun Yang help 492*caed1d1bSHuacai Chen This enables the support of Loongson-2/3 family of machines. 493*caed1d1bSHuacai Chen 494*caed1d1bSHuacai Chen Loongson-2 and Loongson-3 are 64-bit general-purpose processors with 495*caed1d1bSHuacai Chen GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E 496*caed1d1bSHuacai Chen and Loongson-2F which will be removed), developed by the Institute 497*caed1d1bSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS). 498ca585cf9SKelvin Cheung 4996a438309SAndrew Brestickerconfig MACH_PISTACHIO 5006a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 5016a438309SAndrew Bresticker select BOOT_ELF32 5026a438309SAndrew Bresticker select BOOT_RAW 5036a438309SAndrew Bresticker select CEVT_R4K 5046a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 5056a438309SAndrew Bresticker select COMMON_CLK 5066a438309SAndrew Bresticker select CSRC_R4K 507645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 508d30a2b47SLinus Walleij select GPIOLIB 50967e38cf2SRalf Baechle select IRQ_MIPS_CPU 5106a438309SAndrew Bresticker select LIBFDT 5116a438309SAndrew Bresticker select MFD_SYSCON 5126a438309SAndrew Bresticker select MIPS_CPU_SCACHE 5136a438309SAndrew Bresticker select MIPS_GIC 5146a438309SAndrew Bresticker select PINCTRL 5156a438309SAndrew Bresticker select REGULATOR 5166a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 5176a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 5186a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 5196a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 5206a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 52141cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 5226a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 523018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 524018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 5256a438309SAndrew Bresticker select USE_OF 5266a438309SAndrew Bresticker help 5276a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 5286a438309SAndrew Bresticker 5291da177e4SLinus Torvaldsconfig MIPS_MALTA 5303fa986faSMartin Michlmayr bool "MIPS Malta board" 53161ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 532a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5337a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5341da177e4SLinus Torvalds select BOOT_ELF32 535fa71c960SRalf Baechle select BOOT_RAW 536e8823d26SPaul Burton select BUILTIN_DTB 53742f77542SRalf Baechle select CEVT_R4K 538fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 53942b002abSGuenter Roeck select COMMON_CLK 54047bf2b03SMaksym Kokhan select CSRC_R4K 541885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5421da177e4SLinus Torvalds select GENERIC_ISA_DMA 5438a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 544eb01d42aSChristoph Hellwig select HAVE_PCI 545d865bea4SRalf Baechle select I8253 5461da177e4SLinus Torvalds select I8259 54747bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 54847bf2b03SMaksym Kokhan select LIBFDT 5495e83d430SRalf Baechle select MIPS_BONITO64 5509318c51aSChris Dearman select MIPS_CPU_SCACHE 55147bf2b03SMaksym Kokhan select MIPS_GIC 552a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5535e83d430SRalf Baechle select MIPS_MSC 55447bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 555ecafe3e9SPaul Burton select SMP_UP if SMP 5561da177e4SLinus Torvalds select SWAP_IO_SPACE 5577cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5587cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 559bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 560c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 561575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5627cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5635d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 564575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5657cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5667cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 567ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 568ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5695e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 570c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5715e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 572424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 57347bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5740365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 575e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 576f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 57747bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5789693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 579f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5801b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 581e8823d26SPaul Burton select USE_OF 582abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5831da177e4SLinus Torvalds help 584f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5851da177e4SLinus Torvalds board. 5861da177e4SLinus Torvalds 5872572f00dSJoshua Hendersonconfig MACH_PIC32 5882572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5892572f00dSJoshua Henderson help 5902572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5912572f00dSJoshua Henderson 5922572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5932572f00dSJoshua Henderson microcontrollers. 5942572f00dSJoshua Henderson 595a83860c2SRalf Baechleconfig NEC_MARKEINS 596a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 597a83860c2SRalf Baechle select SOC_EMMA2RH 598eb01d42aSChristoph Hellwig select HAVE_PCI 599a83860c2SRalf Baechle help 600a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 601ade299d8SYoichi Yuasa 6025e83d430SRalf Baechleconfig MACH_VR41XX 60374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 60442f77542SRalf Baechle select CEVT_R4K 605940f6b48SRalf Baechle select CSRC_R4K 6067cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 607377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 608d30a2b47SLinus Walleij select GPIOLIB 6095e83d430SRalf Baechle 610edb6310aSDaniel Lairdconfig NXP_STB220 611edb6310aSDaniel Laird bool "NXP STB220 board" 612edb6310aSDaniel Laird select SOC_PNX833X 613edb6310aSDaniel Laird help 614edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 615edb6310aSDaniel Laird 616edb6310aSDaniel Lairdconfig NXP_STB225 617edb6310aSDaniel Laird bool "NXP 225 board" 618edb6310aSDaniel Laird select SOC_PNX833X 619edb6310aSDaniel Laird select SOC_PNX8335 620edb6310aSDaniel Laird help 621edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 622edb6310aSDaniel Laird 6239267a30dSMarc St-Jeanconfig PMC_MSP 6249267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 62539d30c13SAnoop P A select CEVT_R4K 62639d30c13SAnoop P A select CSRC_R4K 6279267a30dSMarc St-Jean select DMA_NONCOHERENT 6289267a30dSMarc St-Jean select SWAP_IO_SPACE 6299267a30dSMarc St-Jean select NO_EXCEPT_FILL 6309267a30dSMarc St-Jean select BOOT_RAW 6319267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6329267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6339267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6349267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 635377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 63667e38cf2SRalf Baechle select IRQ_MIPS_CPU 6379267a30dSMarc St-Jean select SERIAL_8250 6389267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6399296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6409296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6419267a30dSMarc St-Jean help 6429267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6439267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6449267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6459267a30dSMarc St-Jean a variety of MIPS cores. 6469267a30dSMarc St-Jean 647ae2b5bb6SJohn Crispinconfig RALINK 648ae2b5bb6SJohn Crispin bool "Ralink based machines" 649ae2b5bb6SJohn Crispin select CEVT_R4K 650ae2b5bb6SJohn Crispin select CSRC_R4K 651ae2b5bb6SJohn Crispin select BOOT_RAW 652ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 65367e38cf2SRalf Baechle select IRQ_MIPS_CPU 654ae2b5bb6SJohn Crispin select USE_OF 655ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 656ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 657ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 658ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 659377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 660ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 661ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6622a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6632a153f1cSJohn Crispin select RESET_CONTROLLER 664ae2b5bb6SJohn Crispin 6651da177e4SLinus Torvaldsconfig SGI_IP22 6663fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 667c0de00b2SThomas Bogendoerfer select ARC_MEMORY 66839b2d756SThomas Bogendoerfer select ARC_PROMLIB 6690e2794b0SRalf Baechle select FW_ARC 6700e2794b0SRalf Baechle select FW_ARC32 6717a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6721da177e4SLinus Torvalds select BOOT_ELF32 67342f77542SRalf Baechle select CEVT_R4K 674940f6b48SRalf Baechle select CSRC_R4K 675e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6761da177e4SLinus Torvalds select DMA_NONCOHERENT 6776630a8e5SChristoph Hellwig select HAVE_EISA 678d865bea4SRalf Baechle select I8253 67968de4803SThomas Bogendoerfer select I8259 6801da177e4SLinus Torvalds select IP22_CPU_SCACHE 68167e38cf2SRalf Baechle select IRQ_MIPS_CPU 682aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 683e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 684e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 68536e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 686e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 687e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 688e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6891da177e4SLinus Torvalds select SWAP_IO_SPACE 6907cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6917cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 692c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 693ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 694ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6955e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 696930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6971da177e4SLinus Torvalds help 6981da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6991da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 7001da177e4SLinus Torvalds that runs on these, say Y here. 7011da177e4SLinus Torvalds 7021da177e4SLinus Torvaldsconfig SGI_IP27 7033fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 70454aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 705397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 7060e2794b0SRalf Baechle select FW_ARC 7070e2794b0SRalf Baechle select FW_ARC64 708e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 7095e83d430SRalf Baechle select BOOT_ELF64 710e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 71136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 712eb01d42aSChristoph Hellwig select HAVE_PCI 71369a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 714e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 715130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 716a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 717a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 7187cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 719ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7205e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 721d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 7221a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 723930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 7241da177e4SLinus Torvalds help 7251da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 7261da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 7271da177e4SLinus Torvalds here. 7281da177e4SLinus Torvalds 729e2defae5SThomas Bogendoerferconfig SGI_IP28 7307d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 731c0de00b2SThomas Bogendoerfer select ARC_MEMORY 73239b2d756SThomas Bogendoerfer select ARC_PROMLIB 7330e2794b0SRalf Baechle select FW_ARC 7340e2794b0SRalf Baechle select FW_ARC64 7357a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 736e2defae5SThomas Bogendoerfer select BOOT_ELF64 737e2defae5SThomas Bogendoerfer select CEVT_R4K 738e2defae5SThomas Bogendoerfer select CSRC_R4K 739e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 740e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 741e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 74267e38cf2SRalf Baechle select IRQ_MIPS_CPU 7436630a8e5SChristoph Hellwig select HAVE_EISA 744e2defae5SThomas Bogendoerfer select I8253 745e2defae5SThomas Bogendoerfer select I8259 746e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 747e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7485b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 749e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 750e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 751e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 752e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 753e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 754c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 755e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 756e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 757dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 758e2defae5SThomas Bogendoerfer help 759e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 760e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 761e2defae5SThomas Bogendoerfer 7627505576dSThomas Bogendoerferconfig SGI_IP30 7637505576dSThomas Bogendoerfer bool "SGI IP30 (Octane/Octane2)" 7647505576dSThomas Bogendoerfer select ARCH_HAS_PHYS_TO_DMA 7657505576dSThomas Bogendoerfer select FW_ARC 7667505576dSThomas Bogendoerfer select FW_ARC64 7677505576dSThomas Bogendoerfer select BOOT_ELF64 7687505576dSThomas Bogendoerfer select CEVT_R4K 7697505576dSThomas Bogendoerfer select CSRC_R4K 7707505576dSThomas Bogendoerfer select SYNC_R4K if SMP 7717505576dSThomas Bogendoerfer select ZONE_DMA32 7727505576dSThomas Bogendoerfer select HAVE_PCI 7737505576dSThomas Bogendoerfer select IRQ_MIPS_CPU 7747505576dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 7757505576dSThomas Bogendoerfer select NR_CPUS_DEFAULT_2 7767505576dSThomas Bogendoerfer select PCI_DRIVERS_GENERIC 7777505576dSThomas Bogendoerfer select PCI_XTALK_BRIDGE 7787505576dSThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 7797505576dSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7807505576dSThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 7817505576dSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 7827505576dSThomas Bogendoerfer select SYS_SUPPORTS_SMP 7837505576dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 7847505576dSThomas Bogendoerfer select ARC_MEMORY 7857505576dSThomas Bogendoerfer help 7867505576dSThomas Bogendoerfer These are the SGI Octane and Octane2 graphics workstations. To 7877505576dSThomas Bogendoerfer compile a Linux kernel that runs on these, say Y here. 7887505576dSThomas Bogendoerfer 7891da177e4SLinus Torvaldsconfig SGI_IP32 790cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 79139b2d756SThomas Bogendoerfer select ARC_MEMORY 79239b2d756SThomas Bogendoerfer select ARC_PROMLIB 79303df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7940e2794b0SRalf Baechle select FW_ARC 7950e2794b0SRalf Baechle select FW_ARC32 7961da177e4SLinus Torvalds select BOOT_ELF32 79742f77542SRalf Baechle select CEVT_R4K 798940f6b48SRalf Baechle select CSRC_R4K 7991da177e4SLinus Torvalds select DMA_NONCOHERENT 800eb01d42aSChristoph Hellwig select HAVE_PCI 80167e38cf2SRalf Baechle select IRQ_MIPS_CPU 8021da177e4SLinus Torvalds select R5000_CPU_SCACHE 8031da177e4SLinus Torvalds select RM7000_CPU_SCACHE 8047cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 8057cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 8067cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 807dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 808ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 8095e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8101da177e4SLinus Torvalds help 8111da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 8121da177e4SLinus Torvalds 813ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 814ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 8155e83d430SRalf Baechle select BOOT_ELF32 8165e83d430SRalf Baechle select SIBYTE_BCM1120 8175e83d430SRalf Baechle select SWAP_IO_SPACE 8187cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8195e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8205e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8215e83d430SRalf Baechle 822ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 823ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 8245e83d430SRalf Baechle select BOOT_ELF32 8255e83d430SRalf Baechle select SIBYTE_BCM1120 8265e83d430SRalf Baechle select SWAP_IO_SPACE 8277cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8295e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8305e83d430SRalf Baechle 8315e83d430SRalf Baechleconfig SIBYTE_CRHONE 8323fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 8335e83d430SRalf Baechle select BOOT_ELF32 8345e83d430SRalf Baechle select SIBYTE_BCM1125 8355e83d430SRalf Baechle select SWAP_IO_SPACE 8367cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 8375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 8385e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8405e83d430SRalf Baechle 841ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 842ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 843ade299d8SYoichi Yuasa select BOOT_ELF32 844ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 845ade299d8SYoichi Yuasa select SWAP_IO_SPACE 846ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 847ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 848ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 849ade299d8SYoichi Yuasa 850ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 851ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 852ade299d8SYoichi Yuasa select BOOT_ELF32 853fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 854ade299d8SYoichi Yuasa select SIBYTE_SB1250 855ade299d8SYoichi Yuasa select SWAP_IO_SPACE 856ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 857ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 858ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 859ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 860cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 861e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 862ade299d8SYoichi Yuasa 863ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 864ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 865ade299d8SYoichi Yuasa select BOOT_ELF32 866fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 867ade299d8SYoichi Yuasa select SIBYTE_SB1250 868ade299d8SYoichi Yuasa select SWAP_IO_SPACE 869ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 870ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 871ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 872ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 873756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 874ade299d8SYoichi Yuasa 875ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 876ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 877ade299d8SYoichi Yuasa select BOOT_ELF32 878ade299d8SYoichi Yuasa select SIBYTE_SB1250 879ade299d8SYoichi Yuasa select SWAP_IO_SPACE 880ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 881ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 882ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 883e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 884ade299d8SYoichi Yuasa 885ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 886ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 887ade299d8SYoichi Yuasa select BOOT_ELF32 888ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 889ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 890ade299d8SYoichi Yuasa select SWAP_IO_SPACE 891ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 892ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 893651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 894ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 895cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 896e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 897ade299d8SYoichi Yuasa 89814b36af4SThomas Bogendoerferconfig SNI_RM 89914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 90039b2d756SThomas Bogendoerfer select ARC_MEMORY 90139b2d756SThomas Bogendoerfer select ARC_PROMLIB 9020e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 9030e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 904aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 9055e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 906a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 9077a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 9085e83d430SRalf Baechle select BOOT_ELF32 90942f77542SRalf Baechle select CEVT_R4K 910940f6b48SRalf Baechle select CSRC_R4K 911e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 9125e83d430SRalf Baechle select DMA_NONCOHERENT 9135e83d430SRalf Baechle select GENERIC_ISA_DMA 9146630a8e5SChristoph Hellwig select HAVE_EISA 9158a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 916eb01d42aSChristoph Hellwig select HAVE_PCI 91767e38cf2SRalf Baechle select IRQ_MIPS_CPU 918d865bea4SRalf Baechle select I8253 9195e83d430SRalf Baechle select I8259 9205e83d430SRalf Baechle select ISA 9214a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 9227cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 9234a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 924c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 9254a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 92636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 927ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 9287d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 9294a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 9305e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 9315e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 9321da177e4SLinus Torvalds help 93314b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 93414b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 9355e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 9365e83d430SRalf Baechle support this machine type. 9371da177e4SLinus Torvalds 938edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 939edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 9405e83d430SRalf Baechle 941edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 942edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 94323fbee9dSRalf Baechle 94473b4390fSRalf Baechleconfig MIKROTIK_RB532 94573b4390fSRalf Baechle bool "Mikrotik RB532 boards" 94673b4390fSRalf Baechle select CEVT_R4K 94773b4390fSRalf Baechle select CSRC_R4K 94873b4390fSRalf Baechle select DMA_NONCOHERENT 949eb01d42aSChristoph Hellwig select HAVE_PCI 95067e38cf2SRalf Baechle select IRQ_MIPS_CPU 95173b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 95273b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 95373b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 95473b4390fSRalf Baechle select SWAP_IO_SPACE 95573b4390fSRalf Baechle select BOOT_RAW 956d30a2b47SLinus Walleij select GPIOLIB 957930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 95873b4390fSRalf Baechle help 95973b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 96073b4390fSRalf Baechle based on the IDT RC32434 SoC. 96173b4390fSRalf Baechle 9629ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9639ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 964a86c7f72SDavid Daney select CEVT_R4K 965ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9661753d50cSChristoph Hellwig select HAVE_RAPIDIO 967d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 968a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 969a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 970f65aad41SRalf Baechle select EDAC_SUPPORT 971b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 97273569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 97373569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 974a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9755e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 976eb01d42aSChristoph Hellwig select HAVE_PCI 977f00e001eSDavid Daney select ZONE_DMA32 978465aaed0SDavid Daney select HOLES_IN_ZONE 979d30a2b47SLinus Walleij select GPIOLIB 9806e511163SDavid Daney select LIBFDT 9816e511163SDavid Daney select USE_OF 9826e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9836e511163SDavid Daney select SYS_SUPPORTS_SMP 9847820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9857820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 986e326479fSAndrew Bresticker select BUILTIN_DTB 9878c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 98809230cbcSChristoph Hellwig select SWIOTLB 9893ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 990a86c7f72SDavid Daney help 991a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 992a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 993a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 994a86c7f72SDavid Daney Some of the supported boards are: 995a86c7f72SDavid Daney EBT3000 996a86c7f72SDavid Daney EBH3000 997a86c7f72SDavid Daney EBH3100 998a86c7f72SDavid Daney Thunder 999a86c7f72SDavid Daney Kodama 1000a86c7f72SDavid Daney Hikari 1001a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 1002a86c7f72SDavid Daney 10037f058e85SJayachandran Cconfig NLM_XLR_BOARD 10047f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 10057f058e85SJayachandran C select BOOT_ELF32 10067f058e85SJayachandran C select NLM_COMMON 10077f058e85SJayachandran C select SYS_HAS_CPU_XLR 10087f058e85SJayachandran C select SYS_SUPPORTS_SMP 1009eb01d42aSChristoph Hellwig select HAVE_PCI 10107f058e85SJayachandran C select SWAP_IO_SPACE 10117f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10127f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1013d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 10147f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10157f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 10167f058e85SJayachandran C select NR_CPUS_DEFAULT_32 10177f058e85SJayachandran C select CEVT_R4K 10187f058e85SJayachandran C select CSRC_R4K 101967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1020b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10217f058e85SJayachandran C select SYNC_R4K 10227f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 10238f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10248f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10257f058e85SJayachandran C help 10267f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 10277f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 10287f058e85SJayachandran C 10291c773ea4SJayachandran Cconfig NLM_XLP_BOARD 10301c773ea4SJayachandran C bool "Netlogic XLP based systems" 10311c773ea4SJayachandran C select BOOT_ELF32 10321c773ea4SJayachandran C select NLM_COMMON 10331c773ea4SJayachandran C select SYS_HAS_CPU_XLP 10341c773ea4SJayachandran C select SYS_SUPPORTS_SMP 1035eb01d42aSChristoph Hellwig select HAVE_PCI 10361c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 10371c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 1038d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1039d30a2b47SLinus Walleij select GPIOLIB 10401c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 10411c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 10421c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 10431c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 10441c773ea4SJayachandran C select CEVT_R4K 10451c773ea4SJayachandran C select CSRC_R4K 104667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1047b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 10481c773ea4SJayachandran C select SYNC_R4K 10491c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 10502f6528e1SJayachandran C select USE_OF 10518f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 10528f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 10531c773ea4SJayachandran C help 10541c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10551c773ea4SJayachandran C Say Y here if you have a XLP based board. 10561c773ea4SJayachandran C 10579bc463beSDavid Daneyconfig MIPS_PARAVIRT 10589bc463beSDavid Daney bool "Para-Virtualized guest system" 10599bc463beSDavid Daney select CEVT_R4K 10609bc463beSDavid Daney select CSRC_R4K 10619bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10629bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10639bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10649bc463beSDavid Daney select SYS_SUPPORTS_SMP 10659bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10669bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10679bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10689bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10699bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1070eb01d42aSChristoph Hellwig select HAVE_PCI 10719bc463beSDavid Daney select SWAP_IO_SPACE 10729bc463beSDavid Daney help 10739bc463beSDavid Daney This option supports guest running under ???? 10749bc463beSDavid Daney 10751da177e4SLinus Torvaldsendchoice 10761da177e4SLinus Torvalds 1077e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10783b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1079d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1080a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1081e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10828945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1083eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10845e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10855ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10868ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10871f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10882572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1089af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10900f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1091ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 109229c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 109338b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 109422b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10955e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1096a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 109771e2f4ddSJiaxun Yangsource "arch/mips/loongson2ef/Kconfig" 109830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 109930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 11007f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1101ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 110238b18f72SRalf Baechle 11035e83d430SRalf Baechleendmenu 11045e83d430SRalf Baechle 11053c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 11063c9ee7efSAkinobu Mita bool 11073c9ee7efSAkinobu Mita default y 11083c9ee7efSAkinobu Mita 11091da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 11101da177e4SLinus Torvalds bool 11111da177e4SLinus Torvalds default y 11121da177e4SLinus Torvalds 1113ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 11141cc89038SAtsushi Nemoto bool 11151cc89038SAtsushi Nemoto default y 11161cc89038SAtsushi Nemoto 11171da177e4SLinus Torvalds# 11181da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 11191da177e4SLinus Torvalds# 11200e2794b0SRalf Baechleconfig FW_ARC 11211da177e4SLinus Torvalds bool 11221da177e4SLinus Torvalds 112361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 112461ed242dSRalf Baechle bool 112561ed242dSRalf Baechle 11269267a30dSMarc St-Jeanconfig BOOT_RAW 11279267a30dSMarc St-Jean bool 11289267a30dSMarc St-Jean 1129217dd11eSRalf Baechleconfig CEVT_BCM1480 1130217dd11eSRalf Baechle bool 1131217dd11eSRalf Baechle 11326457d9fcSYoichi Yuasaconfig CEVT_DS1287 11336457d9fcSYoichi Yuasa bool 11346457d9fcSYoichi Yuasa 11351097c6acSYoichi Yuasaconfig CEVT_GT641XX 11361097c6acSYoichi Yuasa bool 11371097c6acSYoichi Yuasa 113842f77542SRalf Baechleconfig CEVT_R4K 113942f77542SRalf Baechle bool 114042f77542SRalf Baechle 1141217dd11eSRalf Baechleconfig CEVT_SB1250 1142217dd11eSRalf Baechle bool 1143217dd11eSRalf Baechle 1144229f773eSAtsushi Nemotoconfig CEVT_TXX9 1145229f773eSAtsushi Nemoto bool 1146229f773eSAtsushi Nemoto 1147217dd11eSRalf Baechleconfig CSRC_BCM1480 1148217dd11eSRalf Baechle bool 1149217dd11eSRalf Baechle 11504247417dSYoichi Yuasaconfig CSRC_IOASIC 11514247417dSYoichi Yuasa bool 11524247417dSYoichi Yuasa 1153940f6b48SRalf Baechleconfig CSRC_R4K 1154940f6b48SRalf Baechle bool 1155940f6b48SRalf Baechle 1156217dd11eSRalf Baechleconfig CSRC_SB1250 1157217dd11eSRalf Baechle bool 1158217dd11eSRalf Baechle 1159a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1160a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1161a7f4df4eSAlex Smith 1162a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1163d30a2b47SLinus Walleij select GPIOLIB 1164a9aec7feSAtsushi Nemoto bool 1165a9aec7feSAtsushi Nemoto 11660e2794b0SRalf Baechleconfig FW_CFE 1167df78b5c8SAurelien Jarno bool 1168df78b5c8SAurelien Jarno 116940e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 117040e084a5SRalf Baechle bool 117140e084a5SRalf Baechle 1172885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1173f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1174885014bcSFelix Fietkau select DMA_NONCOHERENT 1175885014bcSFelix Fietkau bool 1176885014bcSFelix Fietkau 117720d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 117820d33064SPaul Burton bool 1179347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11805748e1b3SChristoph Hellwig select DMA_NONCOHERENT 118120d33064SPaul Burton 11821da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11831da177e4SLinus Torvalds bool 1184db91427bSChristoph Hellwig # 1185db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1186db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1187db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1188db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1189db91427bSChristoph Hellwig # significant advantages. 1190db91427bSChristoph Hellwig # 1191419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1192f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11932ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1194e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 119558b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1196f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11974ce588cdSRalf Baechle 119836a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11991da177e4SLinus Torvalds bool 12001da177e4SLinus Torvalds 12011b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1202dbb74540SRalf Baechle bool 1203dbb74540SRalf Baechle 12041da177e4SLinus Torvaldsconfig MIPS_BONITO64 12051da177e4SLinus Torvalds bool 12061da177e4SLinus Torvalds 12071da177e4SLinus Torvaldsconfig MIPS_MSC 12081da177e4SLinus Torvalds bool 12091da177e4SLinus Torvalds 12101f21d2bdSBrian Murphyconfig MIPS_NILE4 12111f21d2bdSBrian Murphy bool 12121f21d2bdSBrian Murphy 121339b8d525SRalf Baechleconfig SYNC_R4K 121439b8d525SRalf Baechle bool 121539b8d525SRalf Baechle 1216487d70d0SGabor Juhosconfig MIPS_MACHINE 1217487d70d0SGabor Juhos def_bool n 1218487d70d0SGabor Juhos 1219ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1220d388d685SMaciej W. Rozycki def_bool n 1221d388d685SMaciej W. Rozycki 12224e0748f5SMarkos Chandrasconfig GENERIC_CSUM 12234e0748f5SMarkos Chandras bool 1224932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 12254e0748f5SMarkos Chandras 12268313da30SRalf Baechleconfig GENERIC_ISA_DMA 12278313da30SRalf Baechle bool 12288313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1229a35bee8aSNamhyung Kim select ISA_DMA_API 12308313da30SRalf Baechle 1231aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1232aa414dffSRalf Baechle bool 12338313da30SRalf Baechle select GENERIC_ISA_DMA 1234aa414dffSRalf Baechle 1235a35bee8aSNamhyung Kimconfig ISA_DMA_API 1236a35bee8aSNamhyung Kim bool 1237a35bee8aSNamhyung Kim 1238465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1239465aaed0SDavid Daney bool 1240465aaed0SDavid Daney 12418c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 12428c530ea3SMatt Redfearn bool 12438c530ea3SMatt Redfearn help 12448c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 12458c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 12468c530ea3SMatt Redfearn to allow access to command line and entropy sources. 12478c530ea3SMatt Redfearn 1248f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1249f381bf6dSDavid Daney def_bool y 1250f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1251f381bf6dSDavid Daney 1252f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1253f381bf6dSDavid Daney def_bool y 1254f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1255f381bf6dSDavid Daney 1256f381bf6dSDavid Daney 12575e83d430SRalf Baechle# 12586b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12595e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12605e83d430SRalf Baechle# choice statement should be more obvious to the user. 12615e83d430SRalf Baechle# 12625e83d430SRalf Baechlechoice 12636b2aac42SMasanari Iida prompt "Endianness selection" 12641da177e4SLinus Torvalds help 12651da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12665e83d430SRalf Baechle byte order. These modes require different kernels and a different 12673cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12685e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12693dde6ad8SDavid Sterba one or the other endianness. 12705e83d430SRalf Baechle 12715e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12725e83d430SRalf Baechle bool "Big endian" 12735e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12745e83d430SRalf Baechle 12755e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12765e83d430SRalf Baechle bool "Little endian" 12775e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12785e83d430SRalf Baechle 12795e83d430SRalf Baechleendchoice 12805e83d430SRalf Baechle 128122b0763aSDavid Daneyconfig EXPORT_UASM 128222b0763aSDavid Daney bool 128322b0763aSDavid Daney 12842116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12852116245eSRalf Baechle bool 12862116245eSRalf Baechle 12875e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12885e83d430SRalf Baechle bool 12895e83d430SRalf Baechle 12905e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12915e83d430SRalf Baechle bool 12921da177e4SLinus Torvalds 12939cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12949cffd154SDavid Daney bool 129545e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12969cffd154SDavid Daney default y 12979cffd154SDavid Daney 1298aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1299aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1300aa1762f4SDavid Daney 13011da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 13021da177e4SLinus Torvalds bool 13031da177e4SLinus Torvalds 13049267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 13059267a30dSMarc St-Jean bool 13069267a30dSMarc St-Jean 13079267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 13089267a30dSMarc St-Jean bool 13099267a30dSMarc St-Jean 13108420fd00SAtsushi Nemotoconfig IRQ_TXX9 13118420fd00SAtsushi Nemoto bool 13128420fd00SAtsushi Nemoto 1313d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1314d5ab1a69SYoichi Yuasa bool 1315d5ab1a69SYoichi Yuasa 1316252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 13171da177e4SLinus Torvalds bool 13181da177e4SLinus Torvalds 1319a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1320a57140e9SThomas Bogendoerfer bool 1321a57140e9SThomas Bogendoerfer 13229267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 13239267a30dSMarc St-Jean bool 13249267a30dSMarc St-Jean 1325a83860c2SRalf Baechleconfig SOC_EMMA2RH 1326a83860c2SRalf Baechle bool 1327a83860c2SRalf Baechle select CEVT_R4K 1328a83860c2SRalf Baechle select CSRC_R4K 1329a83860c2SRalf Baechle select DMA_NONCOHERENT 133067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1331a83860c2SRalf Baechle select SWAP_IO_SPACE 1332a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1333a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1334a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1335a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1336a83860c2SRalf Baechle 1337edb6310aSDaniel Lairdconfig SOC_PNX833X 1338edb6310aSDaniel Laird bool 1339edb6310aSDaniel Laird select CEVT_R4K 1340edb6310aSDaniel Laird select CSRC_R4K 134167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1342edb6310aSDaniel Laird select DMA_NONCOHERENT 1343edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1344edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1345edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1346edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1347377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1348edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1349edb6310aSDaniel Laird 1350edb6310aSDaniel Lairdconfig SOC_PNX8335 1351edb6310aSDaniel Laird bool 1352edb6310aSDaniel Laird select SOC_PNX833X 1353edb6310aSDaniel Laird 1354a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1355a7e07b1aSMarkos Chandras bool 1356a7e07b1aSMarkos Chandras 13571da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13581da177e4SLinus Torvalds bool 13591da177e4SLinus Torvalds 1360e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1361e2defae5SThomas Bogendoerfer bool 1362e2defae5SThomas Bogendoerfer 13635b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13645b438c44SThomas Bogendoerfer bool 13655b438c44SThomas Bogendoerfer 1366e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1367e2defae5SThomas Bogendoerfer bool 1368e2defae5SThomas Bogendoerfer 1369e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1370e2defae5SThomas Bogendoerfer bool 1371e2defae5SThomas Bogendoerfer 1372e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1373e2defae5SThomas Bogendoerfer bool 1374e2defae5SThomas Bogendoerfer 1375e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1376e2defae5SThomas Bogendoerfer bool 1377e2defae5SThomas Bogendoerfer 1378e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1379e2defae5SThomas Bogendoerfer bool 1380e2defae5SThomas Bogendoerfer 13810e2794b0SRalf Baechleconfig FW_ARC32 13825e83d430SRalf Baechle bool 13835e83d430SRalf Baechle 1384aaa9fad3SPaul Bolleconfig FW_SNIPROM 1385231a35d3SThomas Bogendoerfer bool 1386231a35d3SThomas Bogendoerfer 13871da177e4SLinus Torvaldsconfig BOOT_ELF32 13881da177e4SLinus Torvalds bool 13891da177e4SLinus Torvalds 1390930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1391930beb5aSFlorian Fainelli bool 1392930beb5aSFlorian Fainelli 1393930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1394930beb5aSFlorian Fainelli bool 1395930beb5aSFlorian Fainelli 1396930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1397930beb5aSFlorian Fainelli bool 1398930beb5aSFlorian Fainelli 1399930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1400930beb5aSFlorian Fainelli bool 1401930beb5aSFlorian Fainelli 14021da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 14031da177e4SLinus Torvalds int 1404a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 14055432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 14065432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 14075432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 14081da177e4SLinus Torvalds default "5" 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 14111da177e4SLinus Torvalds bool 14121da177e4SLinus Torvalds 1413e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1414e9422427SThomas Bogendoerfer bool 1415e9422427SThomas Bogendoerfer 14161da177e4SLinus Torvaldsconfig ARC_CONSOLE 14171da177e4SLinus Torvalds bool "ARC console support" 1418e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 14191da177e4SLinus Torvalds 14201da177e4SLinus Torvaldsconfig ARC_MEMORY 14211da177e4SLinus Torvalds bool 14221da177e4SLinus Torvalds 14231da177e4SLinus Torvaldsconfig ARC_PROMLIB 14241da177e4SLinus Torvalds bool 14251da177e4SLinus Torvalds 14260e2794b0SRalf Baechleconfig FW_ARC64 14271da177e4SLinus Torvalds bool 14281da177e4SLinus Torvalds 14291da177e4SLinus Torvaldsconfig BOOT_ELF64 14301da177e4SLinus Torvalds bool 14311da177e4SLinus Torvalds 14321da177e4SLinus Torvaldsmenu "CPU selection" 14331da177e4SLinus Torvalds 14341da177e4SLinus Torvaldschoice 14351da177e4SLinus Torvalds prompt "CPU type" 14361da177e4SLinus Torvalds default CPU_R4X00 14371da177e4SLinus Torvalds 1438268a2d60SJiaxun Yangconfig CPU_LOONGSON64 1439*caed1d1bSHuacai Chen bool "Loongson 64-bit CPU" 1440268a2d60SJiaxun Yang depends on SYS_HAS_CPU_LOONGSON64 1441d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 14420e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 14430e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 14440e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 14457507445bSHuacai Chen select CPU_SUPPORTS_MSA 1446932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 14470e476d91SHuacai Chen select WEAK_ORDERING 14480e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 14497507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1450b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 145117c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1452d30a2b47SLinus Walleij select GPIOLIB 145309230cbcSChristoph Hellwig select SWIOTLB 14540e476d91SHuacai Chen help 1455*caed1d1bSHuacai Chen The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor 1456*caed1d1bSHuacai Chen cores implements the MIPS64R2 instruction set with many extensions, 1457*caed1d1bSHuacai Chen including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000, 1458*caed1d1bSHuacai Chen 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old 1459*caed1d1bSHuacai Chen Loongson-2E/2F is not covered here and will be removed in future. 14600e476d91SHuacai Chen 1461*caed1d1bSHuacai Chenconfig LOONGSON3_ENHANCEMENT 1462*caed1d1bSHuacai Chen bool "New Loongson-3 CPU Enhancements" 14631e820da3SHuacai Chen default n 14641e820da3SHuacai Chen select CPU_MIPSR2 14651e820da3SHuacai Chen select CPU_HAS_PREFETCH 1466268a2d60SJiaxun Yang depends on CPU_LOONGSON64 14671e820da3SHuacai Chen help 1468*caed1d1bSHuacai Chen New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A 14691e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 1470268a2d60SJiaxun Yang FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User 14711e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14721e820da3SHuacai Chen Fast TLB refill support, etc. 14731e820da3SHuacai Chen 14741e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14751e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14761e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 1477*caed1d1bSHuacai Chen new Loongson-3 machines only, please say 'Y' here. 14781e820da3SHuacai Chen 1479e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1480*caed1d1bSHuacai Chen bool "Old Loongson-3 LLSC Workarounds" 1481e02e07e3SHuacai Chen default y if SMP 1482268a2d60SJiaxun Yang depends on CPU_LOONGSON64 1483e02e07e3SHuacai Chen help 1484*caed1d1bSHuacai Chen Loongson-3 processors have the llsc issues which require workarounds. 1485e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1486e02e07e3SHuacai Chen 1487*caed1d1bSHuacai Chen Newer Loongson-3 will fix these issues and no workarounds are needed. 1488e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1489e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1490e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1491e02e07e3SHuacai Chen 1492e02e07e3SHuacai Chen If unsure, please say Y. 1493e02e07e3SHuacai Chen 14943702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14953702bba5SWu Zhangjin bool "Loongson 2E" 14963702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 1497268a2d60SJiaxun Yang select CPU_LOONGSON2EF 14982a21c730SFuxin Zhang help 14992a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 15002a21c730SFuxin Zhang with many extensions. 15012a21c730SFuxin Zhang 150225985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 15036f7a251aSWu Zhangjin bonito64. 15046f7a251aSWu Zhangjin 15056f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 15066f7a251aSWu Zhangjin bool "Loongson 2F" 15076f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 1508268a2d60SJiaxun Yang select CPU_LOONGSON2EF 1509d30a2b47SLinus Walleij select GPIOLIB 15106f7a251aSWu Zhangjin help 15116f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 15126f7a251aSWu Zhangjin with many extensions. 15136f7a251aSWu Zhangjin 15146f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 15156f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 15166f7a251aSWu Zhangjin Loongson2E. 15176f7a251aSWu Zhangjin 1518ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1519ca585cf9SKelvin Cheung bool "Loongson 1B" 1520ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1521b2afb64cSHuacai Chen select CPU_LOONGSON32 15229ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1523ca585cf9SKelvin Cheung help 1524ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1525968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1526968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1527ca585cf9SKelvin Cheung 152812e3280bSYang Lingconfig CPU_LOONGSON1C 152912e3280bSYang Ling bool "Loongson 1C" 153012e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 1531b2afb64cSHuacai Chen select CPU_LOONGSON32 153212e3280bSYang Ling select LEDS_GPIO_REGISTER 153312e3280bSYang Ling help 153412e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1535968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1536968dc5a0S谢致邦 (XIE Zhibang) instruction set. 153712e3280bSYang Ling 15386e760c8dSRalf Baechleconfig CPU_MIPS32_R1 15396e760c8dSRalf Baechle bool "MIPS32 Release 1" 15407cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 15416e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1542932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1543797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1544ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15456e760c8dSRalf Baechle help 15465e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 15471e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15481e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15491e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15501e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15511e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 15521e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 15531e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 15541e5f1caaSRalf Baechle performance. 15551e5f1caaSRalf Baechle 15561e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15571e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15587cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15591e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1560932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1561797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1562ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1563a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15642235a54dSSanjay Lal select HAVE_KVM 15651e5f1caaSRalf Baechle help 15665e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15676e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15686e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15696e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15706e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15711da177e4SLinus Torvalds 15727fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1573674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15747fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15757fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15767fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15777fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15787fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15797fd08ca5SLeonid Yegoshin select HAVE_KVM 15807fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15817fd08ca5SLeonid Yegoshin help 15827fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15837fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15847fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15857fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15867fd08ca5SLeonid Yegoshin 15876e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15886e760c8dSRalf Baechle bool "MIPS64 Release 1" 15897cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1590797798c1SRalf Baechle select CPU_HAS_PREFETCH 1591932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1592ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1593ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1594ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15959cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15966e760c8dSRalf Baechle help 15976e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15986e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15996e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16006e760c8dSRalf Baechle specific type of processor in your system, choose those that one 16016e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16021e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 16031e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 16041e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 16051e5f1caaSRalf Baechle performance. 16061e5f1caaSRalf Baechle 16071e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 16081e5f1caaSRalf Baechle bool "MIPS64 Release 2" 16097cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1610797798c1SRalf Baechle select CPU_HAS_PREFETCH 1611932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16121e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16131e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1614ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16159cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1616a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 161740a2df49SJames Hogan select HAVE_KVM 16181e5f1caaSRalf Baechle help 16191e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 16201e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 16211e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 16221e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 16231e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 16241da177e4SLinus Torvalds 16257fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1626674d10e2SMarkos Chandras bool "MIPS64 Release 6" 16277fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 16287fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 16297fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 16307fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 16317fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1632afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 16337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 16342e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 163540a2df49SJames Hogan select HAVE_KVM 16367fd08ca5SLeonid Yegoshin help 16377fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 16387fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 16397fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 16407fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 16417fd08ca5SLeonid Yegoshin 16421da177e4SLinus Torvaldsconfig CPU_R3000 16431da177e4SLinus Torvalds bool "R3000" 16447cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1645f7062ddbSRalf Baechle select CPU_HAS_WB 1646932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 164754746829SPaul Burton select CPU_R3K_TLB 1648ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1649797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 16501da177e4SLinus Torvalds help 16511da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 16521da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 16531da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 16541da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 16551da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 16561da177e4SLinus Torvalds try to recompile with R3000. 16571da177e4SLinus Torvalds 16581da177e4SLinus Torvaldsconfig CPU_TX39XX 16591da177e4SLinus Torvalds bool "R39XX" 16607cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1662932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 166354746829SPaul Burton select CPU_R3K_TLB 16641da177e4SLinus Torvalds 16651da177e4SLinus Torvaldsconfig CPU_VR41XX 16661da177e4SLinus Torvalds bool "R41xx" 16677cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1668ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1669ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1670932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16711da177e4SLinus Torvalds help 16725e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16731da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16741da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16751da177e4SLinus Torvalds processor or vice versa. 16761da177e4SLinus Torvalds 16771da177e4SLinus Torvaldsconfig CPU_R4X00 16781da177e4SLinus Torvalds bool "R4x00" 16797cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1680ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1681ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1682970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1683932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16841da177e4SLinus Torvalds help 16851da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16861da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16871da177e4SLinus Torvalds 16881da177e4SLinus Torvaldsconfig CPU_TX49XX 16891da177e4SLinus Torvalds bool "R49XX" 16907cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1691de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1692932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1693ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1694ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1695970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16961da177e4SLinus Torvalds 16971da177e4SLinus Torvaldsconfig CPU_R5000 16981da177e4SLinus Torvalds bool "R5000" 16997cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1700ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1701ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1702970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1703932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17041da177e4SLinus Torvalds help 17051da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 17061da177e4SLinus Torvalds 1707542c1020SShinya Kuribayashiconfig CPU_R5500 1708542c1020SShinya Kuribayashi bool "R5500" 1709542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1710542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1711542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 17129cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1713932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1714542c1020SShinya Kuribayashi help 1715542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1716542c1020SShinya Kuribayashi instruction set. 1717542c1020SShinya Kuribayashi 17181da177e4SLinus Torvaldsconfig CPU_NEVADA 17191da177e4SLinus Torvalds bool "RM52xx" 17207cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1721ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1722ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1723970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1724932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17251da177e4SLinus Torvalds help 17261da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 17271da177e4SLinus Torvalds 17281da177e4SLinus Torvaldsconfig CPU_R10000 17291da177e4SLinus Torvalds bool "R10000" 17307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 17315e83d430SRalf Baechle select CPU_HAS_PREFETCH 1732932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1733ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1734ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1735797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1736970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17371da177e4SLinus Torvalds help 17381da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 17391da177e4SLinus Torvalds 17401da177e4SLinus Torvaldsconfig CPU_RM7000 17411da177e4SLinus Torvalds bool "RM7000" 17427cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 17435e83d430SRalf Baechle select CPU_HAS_PREFETCH 1744932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1745ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1746ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1747797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1748970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17491da177e4SLinus Torvalds 17501da177e4SLinus Torvaldsconfig CPU_SB1 17511da177e4SLinus Torvalds bool "SB1" 17527cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1753932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1754ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1755ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1756797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1757970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17580004a9dfSRalf Baechle select WEAK_ORDERING 17591da177e4SLinus Torvalds 1760a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1761a86c7f72SDavid Daney bool "Cavium Octeon processor" 17625e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1763a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1764932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1765a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1766a86c7f72SDavid Daney select WEAK_ORDERING 1767a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17689cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1769df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1770df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1771930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17720ae3abcdSJames Hogan select HAVE_KVM 1773a86c7f72SDavid Daney help 1774a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1775a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1776a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1777a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1778a86c7f72SDavid Daney 1779cd746249SJonas Gorskiconfig CPU_BMIPS 1780cd746249SJonas Gorski bool "Broadcom BMIPS" 1781cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1782cd746249SJonas Gorski select CPU_MIPS32 1783fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1784cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1785cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1786cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1787cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1788cd746249SJonas Gorski select DMA_NONCOHERENT 178967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1790cd746249SJonas Gorski select SWAP_IO_SPACE 1791cd746249SJonas Gorski select WEAK_ORDERING 1792c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 179369aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1794932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1795a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1796a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1797c1c0c461SKevin Cernekee help 1798fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1799c1c0c461SKevin Cernekee 18007f058e85SJayachandran Cconfig CPU_XLR 18017f058e85SJayachandran C bool "Netlogic XLR SoC" 18027f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1803932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18047f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18057f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18067f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1807970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18087f058e85SJayachandran C select WEAK_ORDERING 18097f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18107f058e85SJayachandran C help 18117f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 18121c773ea4SJayachandran C 18131c773ea4SJayachandran Cconfig CPU_XLP 18141c773ea4SJayachandran C bool "Netlogic XLP SoC" 18151c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 18161c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 18171c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 18181c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 18191c773ea4SJayachandran C select WEAK_ORDERING 18201c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 18211c773ea4SJayachandran C select CPU_HAS_PREFETCH 1822932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1823d6504846SJayachandran C select CPU_MIPSR2 1824ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 18252db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 18261c773ea4SJayachandran C help 18271c773ea4SJayachandran C Netlogic Microsystems XLP processors. 18281da177e4SLinus Torvaldsendchoice 18291da177e4SLinus Torvalds 1830a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1831a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1832a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 18337fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1834a6e18781SLeonid Yegoshin help 1835a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1836a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1837a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1838a6e18781SLeonid Yegoshin 1839a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1840a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1841a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1842a6e18781SLeonid Yegoshin select EVA 1843a6e18781SLeonid Yegoshin default y 1844a6e18781SLeonid Yegoshin help 1845a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1846a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1847a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1848a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1849a6e18781SLeonid Yegoshin 1850c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1851c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1852c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1853c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1854c5b36783SSteven J. Hill help 1855c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1856c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1857c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1858c5b36783SSteven J. Hill 1859c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1860c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1861c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1862c5b36783SSteven J. Hill depends on !EVA 1863c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1864c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1865c5b36783SSteven J. Hill select XPA 1866c5b36783SSteven J. Hill select HIGHMEM 1867d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1868c5b36783SSteven J. Hill default n 1869c5b36783SSteven J. Hill help 1870c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1871c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1872c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1873c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1874c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1875c5b36783SSteven J. Hill If unsure, say 'N' here. 1876c5b36783SSteven J. Hill 1877622844bfSWu Zhangjinif CPU_LOONGSON2F 1878622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1879622844bfSWu Zhangjin bool 1880622844bfSWu Zhangjin 1881622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1882622844bfSWu Zhangjin bool 1883622844bfSWu Zhangjin 1884622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1885622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1886622844bfSWu Zhangjin default y 1887622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1888622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1889622844bfSWu Zhangjin help 1890622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1891622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1892622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1893622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1894622844bfSWu Zhangjin 1895622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1896622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1897622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1898622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1899622844bfSWu Zhangjin systems. 1900622844bfSWu Zhangjin 1901622844bfSWu Zhangjin If unsure, please say Y. 1902622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1903622844bfSWu Zhangjin 19041b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 19051b93b3c3SWu Zhangjin bool 19061b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 19071b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 190831c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 19091b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1910fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 19114e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 19121b93b3c3SWu Zhangjin 19131b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 19141b93b3c3SWu Zhangjin bool 19151b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 19161b93b3c3SWu Zhangjin 1917dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1918dbb98314SAlban Bedel bool 1919dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1920dbb98314SAlban Bedel 1921268a2d60SJiaxun Yangconfig CPU_LOONGSON2EF 19223702bba5SWu Zhangjin bool 19233702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 19243702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 19253702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1926970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1927e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1928932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 19293702bba5SWu Zhangjin 1930b2afb64cSHuacai Chenconfig CPU_LOONGSON32 1931ca585cf9SKelvin Cheung bool 1932ca585cf9SKelvin Cheung select CPU_MIPS32 19337e280f6bSJiaxun Yang select CPU_MIPSR2 1934ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1935932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1936ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1937ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1938f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1939ca585cf9SKelvin Cheung 1940fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 194104fa8bf7SJonas Gorski select SMP_UP if SMP 19421bbb6c1bSKevin Cernekee bool 1943cd746249SJonas Gorski 1944cd746249SJonas Gorskiconfig CPU_BMIPS4350 1945cd746249SJonas Gorski bool 1946cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1947cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1948cd746249SJonas Gorski 1949cd746249SJonas Gorskiconfig CPU_BMIPS4380 1950cd746249SJonas Gorski bool 1951bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1952cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1953cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1954b4720809SFlorian Fainelli select CPU_HAS_RIXI 1955cd746249SJonas Gorski 1956cd746249SJonas Gorskiconfig CPU_BMIPS5000 1957cd746249SJonas Gorski bool 1958cd746249SJonas Gorski select MIPS_CPU_SCACHE 1959bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1960cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1961cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1962b4720809SFlorian Fainelli select CPU_HAS_RIXI 19631bbb6c1bSKevin Cernekee 1964268a2d60SJiaxun Yangconfig SYS_HAS_CPU_LOONGSON64 19650e476d91SHuacai Chen bool 19660e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1967b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19680e476d91SHuacai Chen 19693702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19702a21c730SFuxin Zhang bool 19712a21c730SFuxin Zhang 19726f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19736f7a251aSWu Zhangjin bool 197455045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 197555045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 197622f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19776f7a251aSWu Zhangjin 1978ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1979ca585cf9SKelvin Cheung bool 1980ca585cf9SKelvin Cheung 198112e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 198212e3280bSYang Ling bool 198312e3280bSYang Ling 19847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19857cf8053bSRalf Baechle bool 19867cf8053bSRalf Baechle 19877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19887cf8053bSRalf Baechle bool 19897cf8053bSRalf Baechle 1990a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1991a6e18781SLeonid Yegoshin bool 1992a6e18781SLeonid Yegoshin 1993c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1994c5b36783SSteven J. Hill bool 19959ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1996c5b36783SSteven J. Hill 19977fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19987fd08ca5SLeonid Yegoshin bool 19999ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20007fd08ca5SLeonid Yegoshin 20017cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 20027cf8053bSRalf Baechle bool 20037cf8053bSRalf Baechle 20047cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 20057cf8053bSRalf Baechle bool 20067cf8053bSRalf Baechle 20077fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 20087fd08ca5SLeonid Yegoshin bool 20099ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20107fd08ca5SLeonid Yegoshin 20117cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 20127cf8053bSRalf Baechle bool 20137cf8053bSRalf Baechle 20147cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 20157cf8053bSRalf Baechle bool 20167cf8053bSRalf Baechle 20177cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 20187cf8053bSRalf Baechle bool 20197cf8053bSRalf Baechle 20207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 20217cf8053bSRalf Baechle bool 20227cf8053bSRalf Baechle 20237cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 20247cf8053bSRalf Baechle bool 20257cf8053bSRalf Baechle 20267cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 20277cf8053bSRalf Baechle bool 20287cf8053bSRalf Baechle 2029542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 2030542c1020SShinya Kuribayashi bool 2031542c1020SShinya Kuribayashi 20327cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 20337cf8053bSRalf Baechle bool 20347cf8053bSRalf Baechle 20357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 20367cf8053bSRalf Baechle bool 20379ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 20387cf8053bSRalf Baechle 20397cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 20407cf8053bSRalf Baechle bool 20417cf8053bSRalf Baechle 20427cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 20437cf8053bSRalf Baechle bool 20447cf8053bSRalf Baechle 20455e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 20465e683389SDavid Daney bool 20475e683389SDavid Daney 2048cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 2049c1c0c461SKevin Cernekee bool 2050c1c0c461SKevin Cernekee 2051fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 2052c1c0c461SKevin Cernekee bool 2053cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2054c1c0c461SKevin Cernekee 2055c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2056c1c0c461SKevin Cernekee bool 2057cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2058c1c0c461SKevin Cernekee 2059c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2060c1c0c461SKevin Cernekee bool 2061cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2062c1c0c461SKevin Cernekee 2063c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2064c1c0c461SKevin Cernekee bool 2065cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2066f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2067c1c0c461SKevin Cernekee 20687f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20697f058e85SJayachandran C bool 20707f058e85SJayachandran C 20711c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20721c773ea4SJayachandran C bool 20731c773ea4SJayachandran C 207417099b11SRalf Baechle# 207517099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 207617099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 207717099b11SRalf Baechle# 20780004a9dfSRalf Baechleconfig WEAK_ORDERING 20790004a9dfSRalf Baechle bool 208017099b11SRalf Baechle 208117099b11SRalf Baechle# 208217099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 208317099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 208417099b11SRalf Baechle# 208517099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 208617099b11SRalf Baechle bool 20875e83d430SRalf Baechleendmenu 20885e83d430SRalf Baechle 20895e83d430SRalf Baechle# 20905e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20915e83d430SRalf Baechle# 20925e83d430SRalf Baechleconfig CPU_MIPS32 20935e83d430SRalf Baechle bool 20947fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20955e83d430SRalf Baechle 20965e83d430SRalf Baechleconfig CPU_MIPS64 20975e83d430SRalf Baechle bool 20987fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20995e83d430SRalf Baechle 21005e83d430SRalf Baechle# 210157eeacedSPaul Burton# These indicate the revision of the architecture 21025e83d430SRalf Baechle# 21035e83d430SRalf Baechleconfig CPU_MIPSR1 21045e83d430SRalf Baechle bool 21055e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 21065e83d430SRalf Baechle 21075e83d430SRalf Baechleconfig CPU_MIPSR2 21085e83d430SRalf Baechle bool 2109a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 21108256b17eSFlorian Fainelli select CPU_HAS_RIXI 2111a7e07b1aSMarkos Chandras select MIPS_SPRAM 21125e83d430SRalf Baechle 21137fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 21147fd08ca5SLeonid Yegoshin bool 21157fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 21168256b17eSFlorian Fainelli select CPU_HAS_RIXI 211787321fddSPaul Burton select HAVE_ARCH_BITREVERSE 21182db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 21194a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2120a7e07b1aSMarkos Chandras select MIPS_SPRAM 21215e83d430SRalf Baechle 212257eeacedSPaul Burtonconfig TARGET_ISA_REV 212357eeacedSPaul Burton int 212457eeacedSPaul Burton default 1 if CPU_MIPSR1 212557eeacedSPaul Burton default 2 if CPU_MIPSR2 212657eeacedSPaul Burton default 6 if CPU_MIPSR6 212757eeacedSPaul Burton default 0 212857eeacedSPaul Burton help 212957eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 213057eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 213157eeacedSPaul Burton 2132a6e18781SLeonid Yegoshinconfig EVA 2133a6e18781SLeonid Yegoshin bool 2134a6e18781SLeonid Yegoshin 2135c5b36783SSteven J. Hillconfig XPA 2136c5b36783SSteven J. Hill bool 2137c5b36783SSteven J. Hill 21385e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 21395e83d430SRalf Baechle bool 21405e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 21415e83d430SRalf Baechle bool 21425e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 21435e83d430SRalf Baechle bool 21445e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 21455e83d430SRalf Baechle bool 214655045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 214755045ff5SWu Zhangjin bool 214855045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 214955045ff5SWu Zhangjin bool 21509cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 21519cffd154SDavid Daney bool 2152171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 215322f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 215422f1fdfdSWu Zhangjin bool 215582622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 215682622284SDavid Daney bool 2157cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21585e83d430SRalf Baechle 21598192c9eaSDavid Daney# 21608192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21618192c9eaSDavid Daney# 21628192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21638192c9eaSDavid Daney bool 2164679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21658192c9eaSDavid Daney 21665e83d430SRalf Baechlemenu "Kernel type" 21675e83d430SRalf Baechle 21685e83d430SRalf Baechlechoice 21695e83d430SRalf Baechle prompt "Kernel code model" 21705e83d430SRalf Baechle help 21715e83d430SRalf Baechle You should only select this option if you have a workload that 21725e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21735e83d430SRalf Baechle large memory. You will only be presented a single option in this 21745e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21755e83d430SRalf Baechle 21765e83d430SRalf Baechleconfig 32BIT 21775e83d430SRalf Baechle bool "32-bit kernel" 21785e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21795e83d430SRalf Baechle select TRAD_SIGNALS 21805e83d430SRalf Baechle help 21815e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2182f17c4ca3SRalf Baechle 21835e83d430SRalf Baechleconfig 64BIT 21845e83d430SRalf Baechle bool "64-bit kernel" 21855e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21865e83d430SRalf Baechle help 21875e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21885e83d430SRalf Baechle 21895e83d430SRalf Baechleendchoice 21905e83d430SRalf Baechle 21912235a54dSSanjay Lalconfig KVM_GUEST 21922235a54dSSanjay Lal bool "KVM Guest Kernel" 2193f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21942235a54dSSanjay Lal help 2195caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2196caa1faa7SJames Hogan mode. 21972235a54dSSanjay Lal 2198eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2199eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 22002235a54dSSanjay Lal depends on KVM_GUEST 2201eda3d33cSJames Hogan default 100 22022235a54dSSanjay Lal help 2203eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2204eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2205eda3d33cSJames Hogan timer frequency is specified directly. 22062235a54dSSanjay Lal 22071e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 22081e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 22091e321fa9SLeonid Yegoshin depends on 64BIT 22101e321fa9SLeonid Yegoshin help 22113377e227SAlex Belits Support a maximum at least 48 bits of application virtual 22123377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 22133377e227SAlex Belits For page sizes 16k and above, this option results in a small 22143377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 22153377e227SAlex Belits level of page tables is added which imposes both a memory 22163377e227SAlex Belits overhead as well as slower TLB fault handling. 22173377e227SAlex Belits 22181e321fa9SLeonid Yegoshin If unsure, say N. 22191e321fa9SLeonid Yegoshin 22201da177e4SLinus Torvaldschoice 22211da177e4SLinus Torvalds prompt "Kernel page size" 22221da177e4SLinus Torvalds default PAGE_SIZE_4KB 22231da177e4SLinus Torvalds 22241da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 22251da177e4SLinus Torvalds bool "4kB" 2226268a2d60SJiaxun Yang depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64 22271da177e4SLinus Torvalds help 22281da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 22291da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 22301da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 22311da177e4SLinus Torvalds recommended for low memory systems. 22321da177e4SLinus Torvalds 22331da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 22341da177e4SLinus Torvalds bool "8kB" 2235c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 22361e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 22371da177e4SLinus Torvalds help 22381da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 22391da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2240c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2241c2aeaaeaSPaul Burton distribution to support this. 22421da177e4SLinus Torvalds 22431da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 22441da177e4SLinus Torvalds bool "16kB" 2245714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 22461da177e4SLinus Torvalds help 22471da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 22481da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2249714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2250714bfad6SRalf Baechle Linux distribution to support this. 22511da177e4SLinus Torvalds 2252c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2253c52399beSRalf Baechle bool "32kB" 2254c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22551e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2256c52399beSRalf Baechle help 2257c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2258c52399beSRalf Baechle the price of higher memory consumption. This option is available 2259c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2260c52399beSRalf Baechle distribution to support this. 2261c52399beSRalf Baechle 22621da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22631da177e4SLinus Torvalds bool "64kB" 22643b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22651da177e4SLinus Torvalds help 22661da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22671da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22681da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2269714bfad6SRalf Baechle writing this option is still high experimental. 22701da177e4SLinus Torvalds 22711da177e4SLinus Torvaldsendchoice 22721da177e4SLinus Torvalds 2273c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2274c9bace7cSDavid Daney int "Maximum zone order" 2275e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2276e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2277e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2278e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2279e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2280e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2281c9bace7cSDavid Daney range 11 64 2282c9bace7cSDavid Daney default "11" 2283c9bace7cSDavid Daney help 2284c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2285c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2286c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2287c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2288c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2289c9bace7cSDavid Daney increase this value. 2290c9bace7cSDavid Daney 2291c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2292c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2293c9bace7cSDavid Daney 2294c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2295c9bace7cSDavid Daney when choosing a value for this option. 2296c9bace7cSDavid Daney 22971da177e4SLinus Torvaldsconfig BOARD_SCACHE 22981da177e4SLinus Torvalds bool 22991da177e4SLinus Torvalds 23001da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 23011da177e4SLinus Torvalds bool 23021da177e4SLinus Torvalds select BOARD_SCACHE 23031da177e4SLinus Torvalds 23049318c51aSChris Dearman# 23059318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 23069318c51aSChris Dearman# 23079318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 23089318c51aSChris Dearman bool 23099318c51aSChris Dearman select BOARD_SCACHE 23109318c51aSChris Dearman 23111da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 23121da177e4SLinus Torvalds bool 23131da177e4SLinus Torvalds select BOARD_SCACHE 23141da177e4SLinus Torvalds 23151da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 23161da177e4SLinus Torvalds bool 23171da177e4SLinus Torvalds select BOARD_SCACHE 23181da177e4SLinus Torvalds 23191da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 23201da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 23211da177e4SLinus Torvalds depends on CPU_SB1 23221da177e4SLinus Torvalds help 23231da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 23241da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 23251da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 23261da177e4SLinus Torvalds 23271da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2328c8094b53SRalf Baechle bool 23291da177e4SLinus Torvalds 23303165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 23313165c846SFlorian Fainelli bool 2332c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 23333165c846SFlorian Fainelli 2334c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2335183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2336183b40f9SPaul Burton default y 2337183b40f9SPaul Burton help 2338183b40f9SPaul Burton Select y to include support for floating point in the kernel 2339183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2340183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2341183b40f9SPaul Burton userland program attempting to use floating point instructions will 2342183b40f9SPaul Burton receive a SIGILL. 2343183b40f9SPaul Burton 2344183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2345183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2346183b40f9SPaul Burton 2347183b40f9SPaul Burton If unsure, say y. 2348c92e47e5SPaul Burton 234997f7dcbfSPaul Burtonconfig CPU_R2300_FPU 235097f7dcbfSPaul Burton bool 2351c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 235297f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 235397f7dcbfSPaul Burton 235454746829SPaul Burtonconfig CPU_R3K_TLB 235554746829SPaul Burton bool 235654746829SPaul Burton 235791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 235891405eb6SFlorian Fainelli bool 2359c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 236097f7dcbfSPaul Burton default y if !CPU_R2300_FPU 236191405eb6SFlorian Fainelli 236262cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 236362cedc4fSFlorian Fainelli bool 236454746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 236562cedc4fSFlorian Fainelli 236659d6ab86SRalf Baechleconfig MIPS_MT_SMP 2367a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23685cbf9688SPaul Burton default y 2369527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 237059d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2371d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2372c080faa5SSteven J. Hill select SYNC_R4K 237359d6ab86SRalf Baechle select MIPS_MT 237459d6ab86SRalf Baechle select SMP 237587353d8aSRalf Baechle select SMP_UP 2376c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2377c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2378399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 237959d6ab86SRalf Baechle help 2380c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2381c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2382c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2383c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2384c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 238559d6ab86SRalf Baechle 2386f41ae0b2SRalf Baechleconfig MIPS_MT 2387f41ae0b2SRalf Baechle bool 2388f41ae0b2SRalf Baechle 23890ab7aefcSRalf Baechleconfig SCHED_SMT 23900ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23910ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23920ab7aefcSRalf Baechle default n 23930ab7aefcSRalf Baechle help 23940ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23950ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23960ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23970ab7aefcSRalf Baechle 23980ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23990ab7aefcSRalf Baechle bool 24000ab7aefcSRalf Baechle 2401f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2402f41ae0b2SRalf Baechle bool 2403f41ae0b2SRalf Baechle 2404f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2405f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2406f088fc84SRalf Baechle default y 2407b633648cSRalf Baechle depends on MIPS_MT_SMP 240807cc0c9eSRalf Baechle 2409b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2410b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 24119eaa9a82SPaul Burton depends on CPU_MIPSR6 2412c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2413b0a668fbSLeonid Yegoshin default y 2414b0a668fbSLeonid Yegoshin help 2415b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2416b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 241707edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2418b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2419b0a668fbSLeonid Yegoshin final kernel image. 2420b0a668fbSLeonid Yegoshin 2421f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2422f35764e7SJames Hogan bool 2423f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2424f35764e7SJames Hogan help 2425f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2426f35764e7SJames Hogan physical_memsize. 2427f35764e7SJames Hogan 242807cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 242907cc0c9eSRalf Baechle bool "VPE loader support." 2430f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 243107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 243207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 243307cc0c9eSRalf Baechle select MIPS_MT 243407cc0c9eSRalf Baechle help 243507cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 243607cc0c9eSRalf Baechle onto another VPE and running it. 2437f088fc84SRalf Baechle 243817a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 243917a1d523SDeng-Cheng Zhu bool 244017a1d523SDeng-Cheng Zhu default "y" 244117a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 244217a1d523SDeng-Cheng Zhu 24431a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 24441a2a6d7eSDeng-Cheng Zhu bool 24451a2a6d7eSDeng-Cheng Zhu default "y" 24461a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 24471a2a6d7eSDeng-Cheng Zhu 2448e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2449e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2450e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2451e01402b1SRalf Baechle default y 2452e01402b1SRalf Baechle help 2453e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2454e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2455e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2456e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2457e01402b1SRalf Baechle 2458e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2459e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2460e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2461e01402b1SRalf Baechle 2462da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2463da615cf6SDeng-Cheng Zhu bool 2464da615cf6SDeng-Cheng Zhu default "y" 2465da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2466da615cf6SDeng-Cheng Zhu 24672c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24682c973ef0SDeng-Cheng Zhu bool 24692c973ef0SDeng-Cheng Zhu default "y" 24702c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24712c973ef0SDeng-Cheng Zhu 24724a16ff4cSRalf Baechleconfig MIPS_CMP 24735cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24745676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2475b10b43baSMarkos Chandras select SMP 2476eb9b5141STim Anderson select SYNC_R4K 2477b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24784a16ff4cSRalf Baechle select WEAK_ORDERING 24794a16ff4cSRalf Baechle default n 24804a16ff4cSRalf Baechle help 2481044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2482044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2483044505c7SPaul Burton its ability to start secondary CPUs. 24844a16ff4cSRalf Baechle 24855cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24865cac93b3SPaul Burton instead of this. 24875cac93b3SPaul Burton 24880ee958e1SPaul Burtonconfig MIPS_CPS 24890ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24905a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24910ee958e1SPaul Burton select MIPS_CM 24921d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24930ee958e1SPaul Burton select SMP 24940ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24951d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2496c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24970ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24980ee958e1SPaul Burton select WEAK_ORDERING 24990ee958e1SPaul Burton help 25000ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 25010ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 25020ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 25030ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 25040ee958e1SPaul Burton support is unavailable. 25050ee958e1SPaul Burton 25063179d37eSPaul Burtonconfig MIPS_CPS_PM 250739a59593SMarkos Chandras depends on MIPS_CPS 25083179d37eSPaul Burton bool 25093179d37eSPaul Burton 25109f98f3ddSPaul Burtonconfig MIPS_CM 25119f98f3ddSPaul Burton bool 25123c9b4166SPaul Burton select MIPS_CPC 25139f98f3ddSPaul Burton 25149c38cf44SPaul Burtonconfig MIPS_CPC 25159c38cf44SPaul Burton bool 25162600990eSRalf Baechle 25171da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 25181da177e4SLinus Torvalds bool 25191da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 25201da177e4SLinus Torvalds default y 25211da177e4SLinus Torvalds 25221da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 25231da177e4SLinus Torvalds bool 25241da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 25251da177e4SLinus Torvalds default y 25261da177e4SLinus Torvalds 25279e2b5372SMarkos Chandraschoice 25289e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 25299e2b5372SMarkos Chandras 25309e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 25319e2b5372SMarkos Chandras bool "None" 25329e2b5372SMarkos Chandras help 25339e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 25349e2b5372SMarkos Chandras 25359693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 25369693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 25379e2b5372SMarkos Chandras bool "SmartMIPS" 25389693a853SFranck Bui-Huu help 25399693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 25409693a853SFranck Bui-Huu increased security at both hardware and software level for 25419693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 25429693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 25439693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 25449693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 25459693a853SFranck Bui-Huu here. 25469693a853SFranck Bui-Huu 2547bce86083SSteven J. Hillconfig CPU_MICROMIPS 25487fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 25499e2b5372SMarkos Chandras bool "microMIPS" 2550bce86083SSteven J. Hill help 2551bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2552bce86083SSteven J. Hill microMIPS ISA 2553bce86083SSteven J. Hill 25549e2b5372SMarkos Chandrasendchoice 25559e2b5372SMarkos Chandras 2556a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25570ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2558a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2559c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25602a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2561a5e9a69eSPaul Burton help 2562a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2563a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25641db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25651db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25661db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25671db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25681db1af84SPaul Burton the size & complexity of your kernel. 2569a5e9a69eSPaul Burton 2570a5e9a69eSPaul Burton If unsure, say Y. 2571a5e9a69eSPaul Burton 25721da177e4SLinus Torvaldsconfig CPU_HAS_WB 2573f7062ddbSRalf Baechle bool 2574e01402b1SRalf Baechle 2575df0ac8a4SKevin Cernekeeconfig XKS01 2576df0ac8a4SKevin Cernekee bool 2577df0ac8a4SKevin Cernekee 25788256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25798256b17eSFlorian Fainelli bool 25808256b17eSFlorian Fainelli 2581932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2582932afdeeSYasha Cherikovsky bool 2583932afdeeSYasha Cherikovsky help 2584932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2585932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2586932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2587932afdeeSYasha Cherikovsky 2588f41ae0b2SRalf Baechle# 2589f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2590f41ae0b2SRalf Baechle# 2591e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2592f41ae0b2SRalf Baechle bool 2593e01402b1SRalf Baechle 2594f41ae0b2SRalf Baechle# 2595f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2596f41ae0b2SRalf Baechle# 2597e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2598f41ae0b2SRalf Baechle bool 2599e01402b1SRalf Baechle 26001da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 26011da177e4SLinus Torvalds bool 26021da177e4SLinus Torvalds depends on !CPU_R3000 26031da177e4SLinus Torvalds default y 26041da177e4SLinus Torvalds 26051da177e4SLinus Torvalds# 260620d60d99SMaciej W. Rozycki# CPU non-features 260720d60d99SMaciej W. Rozycki# 260820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 260920d60d99SMaciej W. Rozycki bool 261020d60d99SMaciej W. Rozycki 261120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 261220d60d99SMaciej W. Rozycki bool 261320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 261420d60d99SMaciej W. Rozycki 261520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 261620d60d99SMaciej W. Rozycki bool 261720d60d99SMaciej W. Rozycki 2618071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2619071d2f0bSPaul Burton bool 2620071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2621071d2f0bSPaul Burton 26224edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 26234edf00a4SPaul Burton int 26244edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26254edf00a4SPaul Burton default 0 26264edf00a4SPaul Burton 26274edf00a4SPaul Burtonconfig MIPS_ASID_BITS 26284edf00a4SPaul Burton int 26292db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 26304edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 26314edf00a4SPaul Burton default 8 26324edf00a4SPaul Burton 26332db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 26342db003a5SPaul Burton bool 26352db003a5SPaul Burton 26364a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 26374a5dc51eSMarcin Nowakowski bool 26384a5dc51eSMarcin Nowakowski 263920d60d99SMaciej W. Rozycki# 26401da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 26411da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 26421da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 26431da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 26441da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 26451da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 26461da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 26471da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2648797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2649797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2650797798c1SRalf Baechle# support. 26511da177e4SLinus Torvalds# 26521da177e4SLinus Torvaldsconfig HIGHMEM 26531da177e4SLinus Torvalds bool "High Memory Support" 2654a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2655797798c1SRalf Baechle 2656797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2657797798c1SRalf Baechle bool 2658797798c1SRalf Baechle 2659797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2660797798c1SRalf Baechle bool 26611da177e4SLinus Torvalds 26629693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26639693a853SFranck Bui-Huu bool 26649693a853SFranck Bui-Huu 2665a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2666a6a4834cSSteven J. Hill bool 2667a6a4834cSSteven J. Hill 2668377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2669377cb1b6SRalf Baechle bool 2670377cb1b6SRalf Baechle help 2671377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2672377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2673377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2674377cb1b6SRalf Baechle 2675a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2676a5e9a69eSPaul Burton bool 2677a5e9a69eSPaul Burton 2678b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2679b4819b59SYoichi Yuasa def_bool y 2680268a2d60SJiaxun Yang depends on !NUMA && !CPU_LOONGSON2EF 2681b4819b59SYoichi Yuasa 2682b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2683b1c6cd42SAtsushi Nemoto bool 2684397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 268531473747SAtsushi Nemoto 2686d8cb4e11SRalf Baechleconfig NUMA 2687d8cb4e11SRalf Baechle bool "NUMA Support" 2688d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2689d8cb4e11SRalf Baechle help 2690d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2691d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2692d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2693d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2694d8cb4e11SRalf Baechle disabled. 2695d8cb4e11SRalf Baechle 2696d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2697d8cb4e11SRalf Baechle bool 2698d8cb4e11SRalf Baechle 26998c530ea3SMatt Redfearnconfig RELOCATABLE 27008c530ea3SMatt Redfearn bool "Relocatable kernel" 27013ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 27028c530ea3SMatt Redfearn help 27038c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 27048c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 27058c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 27068c530ea3SMatt Redfearn but are discarded at runtime 27078c530ea3SMatt Redfearn 2708069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2709069fd766SMatt Redfearn hex "Relocation table size" 2710069fd766SMatt Redfearn depends on RELOCATABLE 2711069fd766SMatt Redfearn range 0x0 0x01000000 2712069fd766SMatt Redfearn default "0x00100000" 2713069fd766SMatt Redfearn ---help--- 2714069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2715069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2716069fd766SMatt Redfearn 2717069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2718069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2719069fd766SMatt Redfearn 2720069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2721069fd766SMatt Redfearn 2722069fd766SMatt Redfearn If unsure, leave at the default value. 2723069fd766SMatt Redfearn 2724405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2725405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2726405bc8fdSMatt Redfearn depends on RELOCATABLE 2727405bc8fdSMatt Redfearn ---help--- 2728405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2729405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2730405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2731405bc8fdSMatt Redfearn of kernel internals. 2732405bc8fdSMatt Redfearn 2733405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2734405bc8fdSMatt Redfearn 2735405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2736405bc8fdSMatt Redfearn 2737405bc8fdSMatt Redfearn If unsure, say N. 2738405bc8fdSMatt Redfearn 2739405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2740405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2741405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2742405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2743405bc8fdSMatt Redfearn range 0x0 0x08000000 2744405bc8fdSMatt Redfearn default "0x01000000" 2745405bc8fdSMatt Redfearn ---help--- 2746405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2747405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2748405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2749405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2750405bc8fdSMatt Redfearn 2751405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2752405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2753405bc8fdSMatt Redfearn 2754c80d79d7SYasunori Gotoconfig NODES_SHIFT 2755c80d79d7SYasunori Goto int 2756c80d79d7SYasunori Goto default "6" 2757c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2758c80d79d7SYasunori Goto 275914f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 276014f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2761268a2d60SJiaxun Yang depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64) 276214f70012SDeng-Cheng Zhu default y 276314f70012SDeng-Cheng Zhu help 276414f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 276514f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 276614f70012SDeng-Cheng Zhu 27671da177e4SLinus Torvaldsconfig SMP 27681da177e4SLinus Torvalds bool "Multi-Processing support" 2769e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2770e73ea273SRalf Baechle help 27711da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27724a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27734a474157SRobert Graffham than one CPU, say Y. 27741da177e4SLinus Torvalds 27754a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27761da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27771da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27784a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27791da177e4SLinus Torvalds will run faster if you say N here. 27801da177e4SLinus Torvalds 27811da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27821da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27831da177e4SLinus Torvalds 278403502faaSAdrian Bunk See also the SMP-HOWTO available at 278503502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27861da177e4SLinus Torvalds 27871da177e4SLinus Torvalds If you don't know what to do here, say N. 27881da177e4SLinus Torvalds 27897840d618SMatt Redfearnconfig HOTPLUG_CPU 27907840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27917840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27927840d618SMatt Redfearn help 27937840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27947840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27957840d618SMatt Redfearn (Note: power management support will enable this option 27967840d618SMatt Redfearn automatically on SMP systems. ) 27977840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27987840d618SMatt Redfearn 279987353d8aSRalf Baechleconfig SMP_UP 280087353d8aSRalf Baechle bool 280187353d8aSRalf Baechle 28024a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 28034a16ff4cSRalf Baechle bool 28044a16ff4cSRalf Baechle 28050ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 28060ee958e1SPaul Burton bool 28070ee958e1SPaul Burton 2808e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2809e73ea273SRalf Baechle bool 2810e73ea273SRalf Baechle 2811130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2812130e2fb7SRalf Baechle bool 2813130e2fb7SRalf Baechle 2814130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2815130e2fb7SRalf Baechle bool 2816130e2fb7SRalf Baechle 2817130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2818130e2fb7SRalf Baechle bool 2819130e2fb7SRalf Baechle 2820130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2821130e2fb7SRalf Baechle bool 2822130e2fb7SRalf Baechle 2823130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2824130e2fb7SRalf Baechle bool 2825130e2fb7SRalf Baechle 28261da177e4SLinus Torvaldsconfig NR_CPUS 2827a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2828a91796a9SJayachandran C range 2 256 28291da177e4SLinus Torvalds depends on SMP 2830130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2831130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2832130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2833130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2834130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 28351da177e4SLinus Torvalds help 28361da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 28371da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 28381da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 283972ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 284072ede9b1SAtsushi Nemoto and 2 for all others. 28411da177e4SLinus Torvalds 28421da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 284372ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 284472ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 284572ede9b1SAtsushi Nemoto power of two. 28461da177e4SLinus Torvalds 2847399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2848399aaa25SAl Cooper bool 2849399aaa25SAl Cooper 28507820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28517820b84bSDavid Daney bool 28527820b84bSDavid Daney 28537820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28547820b84bSDavid Daney int 28557820b84bSDavid Daney depends on SMP 28567820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28577820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28587820b84bSDavid Daney 28591723b4a3SAtsushi Nemoto# 28601723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28611723b4a3SAtsushi Nemoto# 28621723b4a3SAtsushi Nemoto 28631723b4a3SAtsushi Nemotochoice 28641723b4a3SAtsushi Nemoto prompt "Timer frequency" 28651723b4a3SAtsushi Nemoto default HZ_250 28661723b4a3SAtsushi Nemoto help 28671723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28681723b4a3SAtsushi Nemoto 286967596573SPaul Burton config HZ_24 287067596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 287167596573SPaul Burton 28721723b4a3SAtsushi Nemoto config HZ_48 28730f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28741723b4a3SAtsushi Nemoto 28751723b4a3SAtsushi Nemoto config HZ_100 28761723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28771723b4a3SAtsushi Nemoto 28781723b4a3SAtsushi Nemoto config HZ_128 28791723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28801723b4a3SAtsushi Nemoto 28811723b4a3SAtsushi Nemoto config HZ_250 28821723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28831723b4a3SAtsushi Nemoto 28841723b4a3SAtsushi Nemoto config HZ_256 28851723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28861723b4a3SAtsushi Nemoto 28871723b4a3SAtsushi Nemoto config HZ_1000 28881723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28891723b4a3SAtsushi Nemoto 28901723b4a3SAtsushi Nemoto config HZ_1024 28911723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28921723b4a3SAtsushi Nemoto 28931723b4a3SAtsushi Nemotoendchoice 28941723b4a3SAtsushi Nemoto 289567596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 289667596573SPaul Burton bool 289767596573SPaul Burton 28981723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28991723b4a3SAtsushi Nemoto bool 29001723b4a3SAtsushi Nemoto 29011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 29021723b4a3SAtsushi Nemoto bool 29031723b4a3SAtsushi Nemoto 29041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 29051723b4a3SAtsushi Nemoto bool 29061723b4a3SAtsushi Nemoto 29071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 29081723b4a3SAtsushi Nemoto bool 29091723b4a3SAtsushi Nemoto 29101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 29111723b4a3SAtsushi Nemoto bool 29121723b4a3SAtsushi Nemoto 29131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 29141723b4a3SAtsushi Nemoto bool 29151723b4a3SAtsushi Nemoto 29161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 29171723b4a3SAtsushi Nemoto bool 29181723b4a3SAtsushi Nemoto 29191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 29201723b4a3SAtsushi Nemoto bool 292167596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 292267596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 292367596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 292467596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 292567596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 292667596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 292767596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 29281723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 29291723b4a3SAtsushi Nemoto 29301723b4a3SAtsushi Nemotoconfig HZ 29311723b4a3SAtsushi Nemoto int 293267596573SPaul Burton default 24 if HZ_24 29331723b4a3SAtsushi Nemoto default 48 if HZ_48 29341723b4a3SAtsushi Nemoto default 100 if HZ_100 29351723b4a3SAtsushi Nemoto default 128 if HZ_128 29361723b4a3SAtsushi Nemoto default 250 if HZ_250 29371723b4a3SAtsushi Nemoto default 256 if HZ_256 29381723b4a3SAtsushi Nemoto default 1000 if HZ_1000 29391723b4a3SAtsushi Nemoto default 1024 if HZ_1024 29401723b4a3SAtsushi Nemoto 294196685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 294296685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 294396685b17SDeng-Cheng Zhu 2944ea6e942bSAtsushi Nemotoconfig KEXEC 29457d60717eSKees Cook bool "Kexec system call" 29462965faa5SDave Young select KEXEC_CORE 2947ea6e942bSAtsushi Nemoto help 2948ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2949ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29503dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2951ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2952ea6e942bSAtsushi Nemoto 295301dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2954ea6e942bSAtsushi Nemoto 2955ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2956ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2957bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2958bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2959bf220695SGeert Uytterhoeven made. 2960ea6e942bSAtsushi Nemoto 29617aa1c8f4SRalf Baechleconfig CRASH_DUMP 29627aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29637aa1c8f4SRalf Baechle help 29647aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29657aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29667aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29677aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29687aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29697aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29707aa1c8f4SRalf Baechle PHYSICAL_START. 29717aa1c8f4SRalf Baechle 29727aa1c8f4SRalf Baechleconfig PHYSICAL_START 29737aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29748bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29757aa1c8f4SRalf Baechle depends on CRASH_DUMP 29767aa1c8f4SRalf Baechle help 29777aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29787aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29797aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29807aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29817aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29827aa1c8f4SRalf Baechle 2983ea6e942bSAtsushi Nemotoconfig SECCOMP 2984ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2985293c5bd1SRalf Baechle depends on PROC_FS 2986ea6e942bSAtsushi Nemoto default y 2987ea6e942bSAtsushi Nemoto help 2988ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2989ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2990ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2991ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2992ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2993ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2994ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2995ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2996ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2997ea6e942bSAtsushi Nemoto 2998ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2999ea6e942bSAtsushi Nemoto 3000597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 3001b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 3002597ce172SPaul Burton depends on 32BIT || MIPS32_O32 3003597ce172SPaul Burton help 3004597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 3005597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 3006597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 3007597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 3008597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 3009597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 3010597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 3011597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 3012597ce172SPaul Burton saying N here. 3013597ce172SPaul Burton 301406e2e882SPaul Burton Although binutils currently supports use of this flag the details 301506e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 301606e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 301706e2e882SPaul Burton behaviour before the details have been finalised, this option should 301806e2e882SPaul Burton be considered experimental and only enabled by those working upon 301906e2e882SPaul Burton said details. 302006e2e882SPaul Burton 302106e2e882SPaul Burton If unsure, say N. 3022597ce172SPaul Burton 3023f2ffa5abSDezhong Diaoconfig USE_OF 30240b3e06fdSJonas Gorski bool 3025f2ffa5abSDezhong Diao select OF 3026e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 3027abd2363fSGrant Likely select IRQ_DOMAIN 3028f2ffa5abSDezhong Diao 30292fe8ea39SDengcheng Zhuconfig UHI_BOOT 30302fe8ea39SDengcheng Zhu bool 30312fe8ea39SDengcheng Zhu 30327fafb068SAndrew Brestickerconfig BUILTIN_DTB 30337fafb068SAndrew Bresticker bool 30347fafb068SAndrew Bresticker 30351da8f179SJonas Gorskichoice 30365b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 30371da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 30381da8f179SJonas Gorski 30391da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 30401da8f179SJonas Gorski bool "None" 30411da8f179SJonas Gorski help 30421da8f179SJonas Gorski Do not enable appended dtb support. 30431da8f179SJonas Gorski 304487db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 304587db537dSAaro Koskinen bool "vmlinux" 304687db537dSAaro Koskinen help 304787db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 304887db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 304987db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 305087db537dSAaro Koskinen objcopy: 305187db537dSAaro Koskinen 305287db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 305387db537dSAaro Koskinen 305487db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 305587db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 305687db537dSAaro Koskinen the documented boot protocol using a device tree. 305787db537dSAaro Koskinen 30581da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3059b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30601da8f179SJonas Gorski help 30611da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3062b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30631da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30641da8f179SJonas Gorski 30651da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30661da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30671da8f179SJonas Gorski the documented boot protocol using a device tree. 30681da8f179SJonas Gorski 30691da8f179SJonas Gorski Beware that there is very little in terms of protection against 30701da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30711da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30721da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30731da8f179SJonas Gorski if you don't intend to always append a DTB. 30741da8f179SJonas Gorskiendchoice 30751da8f179SJonas Gorski 30762024972eSJonas Gorskichoice 30772024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30782bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30793f5f0a44SPaul Burton !MIPS_MALTA && \ 30802bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30812024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30822024972eSJonas Gorski 30832024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30842024972eSJonas Gorski depends on USE_OF 30852024972eSJonas Gorski bool "Dtb kernel arguments if available" 30862024972eSJonas Gorski 30872024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30882024972eSJonas Gorski depends on USE_OF 30892024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30902024972eSJonas Gorski 30912024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30922024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3093ed47e153SRabin Vincent 3094ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3095ed47e153SRabin Vincent depends on CMDLINE_BOOL 3096ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30972024972eSJonas Gorskiendchoice 30982024972eSJonas Gorski 30995e83d430SRalf Baechleendmenu 31005e83d430SRalf Baechle 31011df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 31021df0f0ffSAtsushi Nemoto bool 31031df0f0ffSAtsushi Nemoto default y 31041df0f0ffSAtsushi Nemoto 31051df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 31061df0f0ffSAtsushi Nemoto bool 31071df0f0ffSAtsushi Nemoto default y 31081df0f0ffSAtsushi Nemoto 3109a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3110a728ab52SKirill A. Shutemov int 31113377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3112a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3113a728ab52SKirill A. Shutemov default 2 3114a728ab52SKirill A. Shutemov 31156c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 31166c359eb1SPaul Burton bool 31176c359eb1SPaul Burton 31181da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 31191da177e4SLinus Torvalds 3120c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 31212eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3122c5611df9SPaul Burton bool 3123c5611df9SPaul Burton 3124c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3125c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3126c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 31272eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 31281da177e4SLinus Torvalds 31291da177e4SLinus Torvalds# 31301da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 31311da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 31321da177e4SLinus Torvalds# users to choose the right thing ... 31331da177e4SLinus Torvalds# 31341da177e4SLinus Torvaldsconfig ISA 31351da177e4SLinus Torvalds bool 31361da177e4SLinus Torvalds 31371da177e4SLinus Torvaldsconfig TC 31381da177e4SLinus Torvalds bool "TURBOchannel support" 31391da177e4SLinus Torvalds depends on MACH_DECSTATION 31401da177e4SLinus Torvalds help 314150a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 314250a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 314350a23e6eSJustin P. Mattock at: 314450a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 314550a23e6eSJustin P. Mattock and: 314650a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 314750a23e6eSJustin P. Mattock Linux driver support status is documented at: 314850a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31491da177e4SLinus Torvalds 31501da177e4SLinus Torvaldsconfig MMU 31511da177e4SLinus Torvalds bool 31521da177e4SLinus Torvalds default y 31531da177e4SLinus Torvalds 3154109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3155109c32ffSMatt Redfearn default 12 if 64BIT 3156109c32ffSMatt Redfearn default 8 3157109c32ffSMatt Redfearn 3158109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3159109c32ffSMatt Redfearn default 18 if 64BIT 3160109c32ffSMatt Redfearn default 15 3161109c32ffSMatt Redfearn 3162109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3163109c32ffSMatt Redfearn default 8 3164109c32ffSMatt Redfearn 3165109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3166109c32ffSMatt Redfearn default 15 3167109c32ffSMatt Redfearn 3168d865bea4SRalf Baechleconfig I8253 3169d865bea4SRalf Baechle bool 3170798778b8SRussell King select CLKSRC_I8253 31712d02612fSThomas Gleixner select CLKEVT_I8253 31729726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3173d865bea4SRalf Baechle 3174e05eb3f8SRalf Baechleconfig ZONE_DMA 3175e05eb3f8SRalf Baechle bool 3176e05eb3f8SRalf Baechle 3177cce335aeSRalf Baechleconfig ZONE_DMA32 3178cce335aeSRalf Baechle bool 3179cce335aeSRalf Baechle 31801da177e4SLinus Torvaldsendmenu 31811da177e4SLinus Torvalds 31821da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31831da177e4SLinus Torvalds bool 31841da177e4SLinus Torvalds 31851da177e4SLinus Torvaldsconfig MIPS32_COMPAT 318678aaf956SRalf Baechle bool 31871da177e4SLinus Torvalds 31881da177e4SLinus Torvaldsconfig COMPAT 31891da177e4SLinus Torvalds bool 31901da177e4SLinus Torvalds 319105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 319205e43966SAtsushi Nemoto bool 319305e43966SAtsushi Nemoto 31941da177e4SLinus Torvaldsconfig MIPS32_O32 31951da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 319678aaf956SRalf Baechle depends on 64BIT 319778aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 319878aaf956SRalf Baechle select COMPAT 319978aaf956SRalf Baechle select MIPS32_COMPAT 320078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32011da177e4SLinus Torvalds help 32021da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32031da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32041da177e4SLinus Torvalds existing binaries are in this format. 32051da177e4SLinus Torvalds 32061da177e4SLinus Torvalds If unsure, say Y. 32071da177e4SLinus Torvalds 32081da177e4SLinus Torvaldsconfig MIPS32_N32 32091da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3210c22eacfeSRalf Baechle depends on 64BIT 32115a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 321278aaf956SRalf Baechle select COMPAT 321378aaf956SRalf Baechle select MIPS32_COMPAT 321478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32151da177e4SLinus Torvalds help 32161da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32171da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32181da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32191da177e4SLinus Torvalds cases. 32201da177e4SLinus Torvalds 32211da177e4SLinus Torvalds If unsure, say N. 32221da177e4SLinus Torvalds 32231da177e4SLinus Torvaldsconfig BINFMT_ELF32 32241da177e4SLinus Torvalds bool 32251da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3226f43edca7SRalf Baechle select ELFCORE 32271da177e4SLinus Torvalds 32282116245eSRalf Baechlemenu "Power management options" 3229952fa954SRodolfo Giometti 3230363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3231363c55caSWu Zhangjin def_bool y 32323f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3233363c55caSWu Zhangjin 3234f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3235f4cb5700SJohannes Berg def_bool y 32363f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3237f4cb5700SJohannes Berg 32382116245eSRalf Baechlesource "kernel/power/Kconfig" 3239952fa954SRodolfo Giometti 32401da177e4SLinus Torvaldsendmenu 32411da177e4SLinus Torvalds 32427a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32437a998935SViresh Kumar bool 32447a998935SViresh Kumar 32457a998935SViresh Kumarmenu "CPU Power Management" 3246c095ebafSPaul Burton 3247c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32487a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32497a998935SViresh Kumarendif 32509726b43aSWu Zhangjin 3251c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3252c095ebafSPaul Burton 3253c095ebafSPaul Burtonendmenu 3254c095ebafSPaul Burton 325598cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 325698cdee0eSRalf Baechle 32572235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3258