1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5942fa985SYury Norov select ARCH_32BIT_OFF_T if !64BIT 6ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 712597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 812597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 91e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 10a2ecb233SDmitry Korotin select ARCH_HAS_FORTIFY_SOURCE 1112597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 121ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1312597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1425da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 150b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 169035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 1712597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1812597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1912597988SMatt Redfearn select CLONE_BACKWARDS 2057eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2112597988SMatt Redfearn select CPU_PM if CPU_IDLE 2212597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2312597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2412597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2512597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2624640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 27b962aeb0SPaul Burton select GENERIC_IOMAP 2812597988SMatt Redfearn select GENERIC_IRQ_PROBE 2912597988SMatt Redfearn select GENERIC_IRQ_SHOW 306630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 31740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 32740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 33740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 34740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 35740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3612597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3712597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3812597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 39446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 4012597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 41906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4212597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4388547001SJason Wessel select HAVE_ARCH_KGDB 44109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 45109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 46490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 47c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4845e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 492ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 50716850abSHassan Naveed select HAVE_EBPF_JIT if (!CPU_MICROMIPS) 5112597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 5212597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5364575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5412597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5512597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5612597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5712597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5812597988SMatt Redfearn select HAVE_EXIT_THREAD 5967a929e0SChristoph Hellwig select HAVE_FAST_GUP 6012597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6129c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6212597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6312597988SMatt Redfearn select HAVE_IDE 64b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6512597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6612597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 67c1bf207dSDavid Daney select HAVE_KPROBES 68c1bf207dSDavid Daney select HAVE_KRETPROBES 69c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 709d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 71786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7242a0bb3fSPetr Mladek select HAVE_NMI 7312597988SMatt Redfearn select HAVE_OPROFILE 7412597988SMatt Redfearn select HAVE_PERF_EVENTS 7508bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 769ea141adSPaul Burton select HAVE_RSEQ 77d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7812597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 79a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 8024640f23SVincenzo Frascino select HAVE_GENERIC_VDSO 8112597988SMatt Redfearn select IRQ_FORCED_THREADING 826630a8e5SChristoph Hellwig select ISA if EISA 8312597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8412597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8512597988SMatt Redfearn select PERF_USE_VMALLOC 8605a0a344SArnd Bergmann select RTC_LIB 8712597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8812597988SMatt Redfearn select VIRT_TO_BUS 89d1af2ab3SPaul Burton select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 901da177e4SLinus Torvalds 911da177e4SLinus Torvaldsmenu "Machine selection" 921da177e4SLinus Torvalds 935e83d430SRalf Baechlechoice 945e83d430SRalf Baechle prompt "System type" 95d41e6858SMatt Redfearn default MIPS_GENERIC 961da177e4SLinus Torvalds 97eed0eabdSPaul Burtonconfig MIPS_GENERIC 98eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 99eed0eabdSPaul Burton select BOOT_RAW 100eed0eabdSPaul Burton select BUILTIN_DTB 101eed0eabdSPaul Burton select CEVT_R4K 102eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 103eed0eabdSPaul Burton select COMMON_CLK 104eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 105eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 106eed0eabdSPaul Burton select CSRC_R4K 107eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 108eb01d42aSChristoph Hellwig select HAVE_PCI 109eed0eabdSPaul Burton select IRQ_MIPS_CPU 110eed0eabdSPaul Burton select LIBFDT 1110211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 112eed0eabdSPaul Burton select MIPS_CPU_SCACHE 113eed0eabdSPaul Burton select MIPS_GIC 114eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 115eed0eabdSPaul Burton select NO_EXCEPT_FILL 116eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 117eed0eabdSPaul Burton select PINCTRL 118eed0eabdSPaul Burton select SMP_UP if SMP 119a3078e59SMatt Redfearn select SWAP_IO_SPACE 120eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 121eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 122eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 123eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 125eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 126eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 127eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 128eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 129eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 130eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 131eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 132eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 133eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 134eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 135eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 136eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1372e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1382e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1392e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1402e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1412e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1422e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 143eed0eabdSPaul Burton select USE_OF 1442fe8ea39SDengcheng Zhu select UHI_BOOT 145eed0eabdSPaul Burton help 146eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 147eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 148eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 149eed0eabdSPaul Burton Interface) specification. 150eed0eabdSPaul Burton 15142a4f17dSManuel Laussconfig MIPS_ALCHEMY 152c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 153d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 154f772cdb2SRalf Baechle select CEVT_R4K 155d7ea335cSSteven J. Hill select CSRC_R4K 15667e38cf2SRalf Baechle select IRQ_MIPS_CPU 15788e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15842a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15942a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 16042a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 161d30a2b47SLinus Walleij select GPIOLIB 1621b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16347440229SManuel Lauss select COMMON_CLK 1641da177e4SLinus Torvalds 1657ca5dc14SFlorian Fainelliconfig AR7 1667ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1677ca5dc14SFlorian Fainelli select BOOT_ELF32 1687ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1697ca5dc14SFlorian Fainelli select CEVT_R4K 1707ca5dc14SFlorian Fainelli select CSRC_R4K 17167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1727ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1737ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1747ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1757ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1767ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1777ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 178377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1791b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 180d30a2b47SLinus Walleij select GPIOLIB 1817ca5dc14SFlorian Fainelli select VLYNQ 1828551fb64SYoichi Yuasa select HAVE_CLK 1837ca5dc14SFlorian Fainelli help 1847ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1857ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1867ca5dc14SFlorian Fainelli 18743cc739fSSergey Ryazanovconfig ATH25 18843cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18943cc739fSSergey Ryazanov select CEVT_R4K 19043cc739fSSergey Ryazanov select CSRC_R4K 19143cc739fSSergey Ryazanov select DMA_NONCOHERENT 19267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1931753e74eSSergey Ryazanov select IRQ_DOMAIN 19443cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19543cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19643cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1978aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19843cc739fSSergey Ryazanov help 19943cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 20043cc739fSSergey Ryazanov 201d4a67d9dSGabor Juhosconfig ATH79 202d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 203ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 204d4a67d9dSGabor Juhos select BOOT_RAW 205d4a67d9dSGabor Juhos select CEVT_R4K 206d4a67d9dSGabor Juhos select CSRC_R4K 207d4a67d9dSGabor Juhos select DMA_NONCOHERENT 208d30a2b47SLinus Walleij select GPIOLIB 209a08227a2SJohn Crispin select PINCTRL 21094638067SGabor Juhos select HAVE_CLK 211411520afSAlban Bedel select COMMON_CLK 2122c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21367e38cf2SRalf Baechle select IRQ_MIPS_CPU 214d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 215d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 216d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 217d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 218377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 219b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 22003c8c407SAlban Bedel select USE_OF 22153d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 222d4a67d9dSGabor Juhos help 223d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 224d4a67d9dSGabor Juhos 2255f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2265f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 227d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 228d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 229d666cd02SKevin Cernekee select BOOT_RAW 230d666cd02SKevin Cernekee select NO_EXCEPT_FILL 231d666cd02SKevin Cernekee select USE_OF 232d666cd02SKevin Cernekee select CEVT_R4K 233d666cd02SKevin Cernekee select CSRC_R4K 234d666cd02SKevin Cernekee select SYNC_R4K 235d666cd02SKevin Cernekee select COMMON_CLK 236c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23760b858f2SKevin Cernekee select BCM7038_L1_IRQ 23860b858f2SKevin Cernekee select BCM7120_L2_IRQ 23960b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 24067e38cf2SRalf Baechle select IRQ_MIPS_CPU 24160b858f2SKevin Cernekee select DMA_NONCOHERENT 242d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24360b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 244d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 245d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24760b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24860b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 249d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 250d666cd02SKevin Cernekee select SWAP_IO_SPACE 25160b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25260b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25360b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25460b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2554dc4704cSJustin Chen select HARDIRQS_SW_RESEND 256d666cd02SKevin Cernekee help 2575f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2585f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2595f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2605f2d4459SKevin Cernekee must be set appropriately for your board. 261d666cd02SKevin Cernekee 2621c0c13ebSAurelien Jarnoconfig BCM47XX 263c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 264fe08f8c2SHauke Mehrtens select BOOT_RAW 26542f77542SRalf Baechle select CEVT_R4K 266940f6b48SRalf Baechle select CSRC_R4K 2671c0c13ebSAurelien Jarno select DMA_NONCOHERENT 268eb01d42aSChristoph Hellwig select HAVE_PCI 26967e38cf2SRalf Baechle select IRQ_MIPS_CPU 270314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 271dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2721c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2731c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 274377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2756507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27625e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 277e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 278c949c0bcSRafał Miłecki select GPIOLIB 279c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 280f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2812ab71a02SRafał Miłecki select BCM47XX_SPROM 282dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2831c0c13ebSAurelien Jarno help 2841c0c13ebSAurelien Jarno Support for BCM47XX based boards 2851c0c13ebSAurelien Jarno 286e7300d04SMaxime Bizonconfig BCM63XX 287e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 288ae8de61cSFlorian Fainelli select BOOT_RAW 289e7300d04SMaxime Bizon select CEVT_R4K 290e7300d04SMaxime Bizon select CSRC_R4K 291fc264022SJonas Gorski select SYNC_R4K 292e7300d04SMaxime Bizon select DMA_NONCOHERENT 29367e38cf2SRalf Baechle select IRQ_MIPS_CPU 294e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 295e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 296e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 297e7300d04SMaxime Bizon select SWAP_IO_SPACE 298d30a2b47SLinus Walleij select GPIOLIB 2993e82eeebSYoichi Yuasa select HAVE_CLK 300af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 301c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 302e7300d04SMaxime Bizon help 303e7300d04SMaxime Bizon Support for BCM63XX based boards 304e7300d04SMaxime Bizon 3051da177e4SLinus Torvaldsconfig MIPS_COBALT 3063fa986faSMartin Michlmayr bool "Cobalt Server" 30742f77542SRalf Baechle select CEVT_R4K 308940f6b48SRalf Baechle select CSRC_R4K 3091097c6acSYoichi Yuasa select CEVT_GT641XX 3101da177e4SLinus Torvalds select DMA_NONCOHERENT 311eb01d42aSChristoph Hellwig select FORCE_PCI 312d865bea4SRalf Baechle select I8253 3131da177e4SLinus Torvalds select I8259 31467e38cf2SRalf Baechle select IRQ_MIPS_CPU 315d5ab1a69SYoichi Yuasa select IRQ_GT641XX 316252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3177cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3180a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 319ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3200e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3215e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 322e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvaldsconfig MACH_DECSTATION 3253fa986faSMartin Michlmayr bool "DECstations" 3261da177e4SLinus Torvalds select BOOT_ELF32 3276457d9fcSYoichi Yuasa select CEVT_DS1287 32881d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3294247417dSYoichi Yuasa select CSRC_IOASIC 33081d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33120d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33220d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3341da177e4SLinus Torvalds select DMA_NONCOHERENT 335ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33667e38cf2SRalf Baechle select IRQ_MIPS_CPU 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3387cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 339ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3407d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3421723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3431723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3441723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 345930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3465e83d430SRalf Baechle help 3471da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3481da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3491da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3521da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds DECstation 5000/50 3551da177e4SLinus Torvalds DECstation 5000/150 3561da177e4SLinus Torvalds DECstation 5000/260 3571da177e4SLinus Torvalds DECsystem 5900/260 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds otherwise choose R3000. 3601da177e4SLinus Torvalds 3615e83d430SRalf Baechleconfig MACH_JAZZ 3623fa986faSMartin Michlmayr bool "Jazz family of machines" 36339b2d756SThomas Bogendoerfer select ARC_MEMORY 36439b2d756SThomas Bogendoerfer select ARC_PROMLIB 365a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3667a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3670e2794b0SRalf Baechle select FW_ARC 3680e2794b0SRalf Baechle select FW_ARC32 3695e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 37042f77542SRalf Baechle select CEVT_R4K 371940f6b48SRalf Baechle select CSRC_R4K 372e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3735e83d430SRalf Baechle select GENERIC_ISA_DMA 3748a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37567e38cf2SRalf Baechle select IRQ_MIPS_CPU 376d865bea4SRalf Baechle select I8253 3775e83d430SRalf Baechle select I8259 3785e83d430SRalf Baechle select ISA 3797cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3805e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3817d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3821723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3831da177e4SLinus Torvalds help 3845e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3855e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 386692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3875e83d430SRalf Baechle Olivetti M700-10 workstations. 3885e83d430SRalf Baechle 389de361e8bSPaul Burtonconfig MACH_INGENIC 390de361e8bSPaul Burton bool "Ingenic SoC based machines" 3915ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3925ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 393f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 394b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3955ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39667e38cf2SRalf Baechle select IRQ_MIPS_CPU 39737b4c3caSPaul Cercueil select PINCTRL 398d30a2b47SLinus Walleij select GPIOLIB 399ff1930c6SPaul Burton select COMMON_CLK 40083bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 40115205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 402ffb1843dSPaul Burton select USE_OF 4036ec127fbSPaul Burton select LIBFDT 4045ebabe59SLars-Peter Clausen 405171bb2f1SJohn Crispinconfig LANTIQ 406171bb2f1SJohn Crispin bool "Lantiq based platforms" 407171bb2f1SJohn Crispin select DMA_NONCOHERENT 40867e38cf2SRalf Baechle select IRQ_MIPS_CPU 409171bb2f1SJohn Crispin select CEVT_R4K 410171bb2f1SJohn Crispin select CSRC_R4K 411171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 412171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 413171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 414171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 415377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 416171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 417f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 418171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 419d30a2b47SLinus Walleij select GPIOLIB 420171bb2f1SJohn Crispin select SWAP_IO_SPACE 421171bb2f1SJohn Crispin select BOOT_RAW 422287e3f3fSJohn Crispin select CLKDEV_LOOKUP 423a0392222SJohn Crispin select USE_OF 4243f8c50c9SJohn Crispin select PINCTRL 4253f8c50c9SJohn Crispin select PINCTRL_LANTIQ 426c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 427c530781cSJohn Crispin select RESET_CONTROLLER 428171bb2f1SJohn Crispin 4291f21d2bdSBrian Murphyconfig LASAT 4301f21d2bdSBrian Murphy bool "LASAT Networks platforms" 43142f77542SRalf Baechle select CEVT_R4K 43216f0bbbcSRalf Baechle select CRC32 433940f6b48SRalf Baechle select CSRC_R4K 4341f21d2bdSBrian Murphy select DMA_NONCOHERENT 4351f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 436eb01d42aSChristoph Hellwig select HAVE_PCI 43767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4381f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4391f21d2bdSBrian Murphy select MIPS_NILE4 4401f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4411f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4421f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4431f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4441f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4451f21d2bdSBrian Murphy 44630ad29bbSHuacai Chenconfig MACH_LOONGSON32 44730ad29bbSHuacai Chen bool "Loongson-1 family of machines" 448c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 449ade299d8SYoichi Yuasa help 45030ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 45185749d24SWu Zhangjin 45230ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45330ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45430ad29bbSHuacai Chen Sciences (CAS). 455ade299d8SYoichi Yuasa 45630ad29bbSHuacai Chenconfig MACH_LOONGSON64 45730ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 458ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 459ca585cf9SKelvin Cheung help 46030ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 461ca585cf9SKelvin Cheung 46230ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 46330ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 46430ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 46530ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 46630ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 46730ad29bbSHuacai Chen Weiwu Hu. 468ca585cf9SKelvin Cheung 4696a438309SAndrew Brestickerconfig MACH_PISTACHIO 4706a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4716a438309SAndrew Bresticker select BOOT_ELF32 4726a438309SAndrew Bresticker select BOOT_RAW 4736a438309SAndrew Bresticker select CEVT_R4K 4746a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4756a438309SAndrew Bresticker select COMMON_CLK 4766a438309SAndrew Bresticker select CSRC_R4K 477645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 478d30a2b47SLinus Walleij select GPIOLIB 47967e38cf2SRalf Baechle select IRQ_MIPS_CPU 4806a438309SAndrew Bresticker select LIBFDT 4816a438309SAndrew Bresticker select MFD_SYSCON 4826a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4836a438309SAndrew Bresticker select MIPS_GIC 4846a438309SAndrew Bresticker select PINCTRL 4856a438309SAndrew Bresticker select REGULATOR 4866a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4876a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4886a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4896a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4906a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 49141cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4926a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 493018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 494018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4956a438309SAndrew Bresticker select USE_OF 4966a438309SAndrew Bresticker help 4976a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4986a438309SAndrew Bresticker 4991da177e4SLinus Torvaldsconfig MIPS_MALTA 5003fa986faSMartin Michlmayr bool "MIPS Malta board" 50161ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 502a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5037a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5041da177e4SLinus Torvalds select BOOT_ELF32 505fa71c960SRalf Baechle select BOOT_RAW 506e8823d26SPaul Burton select BUILTIN_DTB 50742f77542SRalf Baechle select CEVT_R4K 508fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50942b002abSGuenter Roeck select COMMON_CLK 51047bf2b03SMaksym Kokhan select CSRC_R4K 511885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5121da177e4SLinus Torvalds select GENERIC_ISA_DMA 5138a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 514eb01d42aSChristoph Hellwig select HAVE_PCI 515d865bea4SRalf Baechle select I8253 5161da177e4SLinus Torvalds select I8259 51747bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 51847bf2b03SMaksym Kokhan select LIBFDT 5195e83d430SRalf Baechle select MIPS_BONITO64 5209318c51aSChris Dearman select MIPS_CPU_SCACHE 52147bf2b03SMaksym Kokhan select MIPS_GIC 522a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5235e83d430SRalf Baechle select MIPS_MSC 52447bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 525ecafe3e9SPaul Burton select SMP_UP if SMP 5261da177e4SLinus Torvalds select SWAP_IO_SPACE 5277cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5287cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 529bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 530c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 531575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5327cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5335d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 534575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5357cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5367cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 537ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 538ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5395e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 540c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5415e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 542424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 54347bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5440365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 545e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 546f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 54747bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5489693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 549f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5501b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 551e8823d26SPaul Burton select USE_OF 552abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5531da177e4SLinus Torvalds help 554f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5551da177e4SLinus Torvalds board. 5561da177e4SLinus Torvalds 5572572f00dSJoshua Hendersonconfig MACH_PIC32 5582572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5592572f00dSJoshua Henderson help 5602572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5612572f00dSJoshua Henderson 5622572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5632572f00dSJoshua Henderson microcontrollers. 5642572f00dSJoshua Henderson 565a83860c2SRalf Baechleconfig NEC_MARKEINS 566a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 567a83860c2SRalf Baechle select SOC_EMMA2RH 568eb01d42aSChristoph Hellwig select HAVE_PCI 569a83860c2SRalf Baechle help 570a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 571ade299d8SYoichi Yuasa 5725e83d430SRalf Baechleconfig MACH_VR41XX 57374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 57442f77542SRalf Baechle select CEVT_R4K 575940f6b48SRalf Baechle select CSRC_R4K 5767cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 577377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 578d30a2b47SLinus Walleij select GPIOLIB 5795e83d430SRalf Baechle 580edb6310aSDaniel Lairdconfig NXP_STB220 581edb6310aSDaniel Laird bool "NXP STB220 board" 582edb6310aSDaniel Laird select SOC_PNX833X 583edb6310aSDaniel Laird help 584edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 585edb6310aSDaniel Laird 586edb6310aSDaniel Lairdconfig NXP_STB225 587edb6310aSDaniel Laird bool "NXP 225 board" 588edb6310aSDaniel Laird select SOC_PNX833X 589edb6310aSDaniel Laird select SOC_PNX8335 590edb6310aSDaniel Laird help 591edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 592edb6310aSDaniel Laird 5939267a30dSMarc St-Jeanconfig PMC_MSP 5949267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 59539d30c13SAnoop P A select CEVT_R4K 59639d30c13SAnoop P A select CSRC_R4K 5979267a30dSMarc St-Jean select DMA_NONCOHERENT 5989267a30dSMarc St-Jean select SWAP_IO_SPACE 5999267a30dSMarc St-Jean select NO_EXCEPT_FILL 6009267a30dSMarc St-Jean select BOOT_RAW 6019267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6029267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6039267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6049267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 605377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 60667e38cf2SRalf Baechle select IRQ_MIPS_CPU 6079267a30dSMarc St-Jean select SERIAL_8250 6089267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6099296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6109296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6119267a30dSMarc St-Jean help 6129267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6139267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6149267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6159267a30dSMarc St-Jean a variety of MIPS cores. 6169267a30dSMarc St-Jean 617ae2b5bb6SJohn Crispinconfig RALINK 618ae2b5bb6SJohn Crispin bool "Ralink based machines" 619ae2b5bb6SJohn Crispin select CEVT_R4K 620ae2b5bb6SJohn Crispin select CSRC_R4K 621ae2b5bb6SJohn Crispin select BOOT_RAW 622ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 62367e38cf2SRalf Baechle select IRQ_MIPS_CPU 624ae2b5bb6SJohn Crispin select USE_OF 625ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 626ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 627ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 628ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 629377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 630ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 631ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6322a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6332a153f1cSJohn Crispin select RESET_CONTROLLER 634ae2b5bb6SJohn Crispin 6351da177e4SLinus Torvaldsconfig SGI_IP22 6363fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 637c0de00b2SThomas Bogendoerfer select ARC_MEMORY 63839b2d756SThomas Bogendoerfer select ARC_PROMLIB 6390e2794b0SRalf Baechle select FW_ARC 6400e2794b0SRalf Baechle select FW_ARC32 6417a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6421da177e4SLinus Torvalds select BOOT_ELF32 64342f77542SRalf Baechle select CEVT_R4K 644940f6b48SRalf Baechle select CSRC_R4K 645e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6461da177e4SLinus Torvalds select DMA_NONCOHERENT 6476630a8e5SChristoph Hellwig select HAVE_EISA 648d865bea4SRalf Baechle select I8253 64968de4803SThomas Bogendoerfer select I8259 6501da177e4SLinus Torvalds select IP22_CPU_SCACHE 65167e38cf2SRalf Baechle select IRQ_MIPS_CPU 652aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 653e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 654e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 65536e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 656e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 657e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 658e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6591da177e4SLinus Torvalds select SWAP_IO_SPACE 6607cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6617cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 662c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 663ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 664ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6655e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 666930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6671da177e4SLinus Torvalds help 6681da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6691da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6701da177e4SLinus Torvalds that runs on these, say Y here. 6711da177e4SLinus Torvalds 6721da177e4SLinus Torvaldsconfig SGI_IP27 6733fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67454aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 675397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6760e2794b0SRalf Baechle select FW_ARC 6770e2794b0SRalf Baechle select FW_ARC64 678*e9422427SThomas Bogendoerfer select ARC_CMDLINE_ONLY 6795e83d430SRalf Baechle select BOOT_ELF64 680e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 68136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 682eb01d42aSChristoph Hellwig select HAVE_PCI 68369a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 684e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 685130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 686a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 687a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 6887cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 689ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6905e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 691d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6921a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 693930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6941da177e4SLinus Torvalds help 6951da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6961da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6971da177e4SLinus Torvalds here. 6981da177e4SLinus Torvalds 699e2defae5SThomas Bogendoerferconfig SGI_IP28 7007d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 701c0de00b2SThomas Bogendoerfer select ARC_MEMORY 70239b2d756SThomas Bogendoerfer select ARC_PROMLIB 7030e2794b0SRalf Baechle select FW_ARC 7040e2794b0SRalf Baechle select FW_ARC64 7057a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 706e2defae5SThomas Bogendoerfer select BOOT_ELF64 707e2defae5SThomas Bogendoerfer select CEVT_R4K 708e2defae5SThomas Bogendoerfer select CSRC_R4K 709e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 710e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 711e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 71267e38cf2SRalf Baechle select IRQ_MIPS_CPU 7136630a8e5SChristoph Hellwig select HAVE_EISA 714e2defae5SThomas Bogendoerfer select I8253 715e2defae5SThomas Bogendoerfer select I8259 716e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 717e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7185b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 719e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 720e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 721e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 722e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 723e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 724c0de00b2SThomas Bogendoerfer select SYS_HAS_EARLY_PRINTK 725e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 726e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 727dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 728e2defae5SThomas Bogendoerfer help 729e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 730e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 731e2defae5SThomas Bogendoerfer 7321da177e4SLinus Torvaldsconfig SGI_IP32 733cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 73439b2d756SThomas Bogendoerfer select ARC_MEMORY 73539b2d756SThomas Bogendoerfer select ARC_PROMLIB 73603df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7370e2794b0SRalf Baechle select FW_ARC 7380e2794b0SRalf Baechle select FW_ARC32 7391da177e4SLinus Torvalds select BOOT_ELF32 74042f77542SRalf Baechle select CEVT_R4K 741940f6b48SRalf Baechle select CSRC_R4K 7421da177e4SLinus Torvalds select DMA_NONCOHERENT 743eb01d42aSChristoph Hellwig select HAVE_PCI 74467e38cf2SRalf Baechle select IRQ_MIPS_CPU 7451da177e4SLinus Torvalds select R5000_CPU_SCACHE 7461da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7477cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7487cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7497cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 750dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 751ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7531da177e4SLinus Torvalds help 7541da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7551da177e4SLinus Torvalds 756ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 757ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7585e83d430SRalf Baechle select BOOT_ELF32 7595e83d430SRalf Baechle select SIBYTE_BCM1120 7605e83d430SRalf Baechle select SWAP_IO_SPACE 7617cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7645e83d430SRalf Baechle 765ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 766ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7675e83d430SRalf Baechle select BOOT_ELF32 7685e83d430SRalf Baechle select SIBYTE_BCM1120 7695e83d430SRalf Baechle select SWAP_IO_SPACE 7707cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7715e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7735e83d430SRalf Baechle 7745e83d430SRalf Baechleconfig SIBYTE_CRHONE 7753fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7765e83d430SRalf Baechle select BOOT_ELF32 7775e83d430SRalf Baechle select SIBYTE_BCM1125 7785e83d430SRalf Baechle select SWAP_IO_SPACE 7797cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7815e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7825e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7835e83d430SRalf Baechle 784ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 785ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 786ade299d8SYoichi Yuasa select BOOT_ELF32 787ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 788ade299d8SYoichi Yuasa select SWAP_IO_SPACE 789ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 790ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 791ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 792ade299d8SYoichi Yuasa 793ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 794ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 795ade299d8SYoichi Yuasa select BOOT_ELF32 796fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 797ade299d8SYoichi Yuasa select SIBYTE_SB1250 798ade299d8SYoichi Yuasa select SWAP_IO_SPACE 799ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 800ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 801ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 802ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 803cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 804e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 805ade299d8SYoichi Yuasa 806ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 807ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 808ade299d8SYoichi Yuasa select BOOT_ELF32 809fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 810ade299d8SYoichi Yuasa select SIBYTE_SB1250 811ade299d8SYoichi Yuasa select SWAP_IO_SPACE 812ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 813ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 814ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 815ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 816756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 817ade299d8SYoichi Yuasa 818ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 819ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 820ade299d8SYoichi Yuasa select BOOT_ELF32 821ade299d8SYoichi Yuasa select SIBYTE_SB1250 822ade299d8SYoichi Yuasa select SWAP_IO_SPACE 823ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 824ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 825ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 826e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 827ade299d8SYoichi Yuasa 828ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 829ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 830ade299d8SYoichi Yuasa select BOOT_ELF32 831ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 832ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 833ade299d8SYoichi Yuasa select SWAP_IO_SPACE 834ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 835ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 836651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 837ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 838cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 839e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 840ade299d8SYoichi Yuasa 84114b36af4SThomas Bogendoerferconfig SNI_RM 84214b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 84339b2d756SThomas Bogendoerfer select ARC_MEMORY 84439b2d756SThomas Bogendoerfer select ARC_PROMLIB 8450e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8460e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 847aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8485e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 849a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8507a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8515e83d430SRalf Baechle select BOOT_ELF32 85242f77542SRalf Baechle select CEVT_R4K 853940f6b48SRalf Baechle select CSRC_R4K 854e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8555e83d430SRalf Baechle select DMA_NONCOHERENT 8565e83d430SRalf Baechle select GENERIC_ISA_DMA 8576630a8e5SChristoph Hellwig select HAVE_EISA 8588a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 859eb01d42aSChristoph Hellwig select HAVE_PCI 86067e38cf2SRalf Baechle select IRQ_MIPS_CPU 861d865bea4SRalf Baechle select I8253 8625e83d430SRalf Baechle select I8259 8635e83d430SRalf Baechle select ISA 8644a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8657cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8664a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 867c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8684a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 86936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 870ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8717d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8724a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8735e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8745e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8751da177e4SLinus Torvalds help 87614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 87714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8785e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8795e83d430SRalf Baechle support this machine type. 8801da177e4SLinus Torvalds 881edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 882edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8835e83d430SRalf Baechle 884edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 885edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 88623fbee9dSRalf Baechle 88773b4390fSRalf Baechleconfig MIKROTIK_RB532 88873b4390fSRalf Baechle bool "Mikrotik RB532 boards" 88973b4390fSRalf Baechle select CEVT_R4K 89073b4390fSRalf Baechle select CSRC_R4K 89173b4390fSRalf Baechle select DMA_NONCOHERENT 892eb01d42aSChristoph Hellwig select HAVE_PCI 89367e38cf2SRalf Baechle select IRQ_MIPS_CPU 89473b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 89573b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 89673b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 89773b4390fSRalf Baechle select SWAP_IO_SPACE 89873b4390fSRalf Baechle select BOOT_RAW 899d30a2b47SLinus Walleij select GPIOLIB 900930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 90173b4390fSRalf Baechle help 90273b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 90373b4390fSRalf Baechle based on the IDT RC32434 SoC. 90473b4390fSRalf Baechle 9059ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9069ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 907a86c7f72SDavid Daney select CEVT_R4K 908ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9091753d50cSChristoph Hellwig select HAVE_RAPIDIO 910d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 911a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 912a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 913f65aad41SRalf Baechle select EDAC_SUPPORT 914b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 91573569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 91673569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 917a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9185e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 919eb01d42aSChristoph Hellwig select HAVE_PCI 920f00e001eSDavid Daney select ZONE_DMA32 921465aaed0SDavid Daney select HOLES_IN_ZONE 922d30a2b47SLinus Walleij select GPIOLIB 9236e511163SDavid Daney select LIBFDT 9246e511163SDavid Daney select USE_OF 9256e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9266e511163SDavid Daney select SYS_SUPPORTS_SMP 9277820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9287820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 929e326479fSAndrew Bresticker select BUILTIN_DTB 9308c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 93109230cbcSChristoph Hellwig select SWIOTLB 9323ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 933a86c7f72SDavid Daney help 934a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 935a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 936a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 937a86c7f72SDavid Daney Some of the supported boards are: 938a86c7f72SDavid Daney EBT3000 939a86c7f72SDavid Daney EBH3000 940a86c7f72SDavid Daney EBH3100 941a86c7f72SDavid Daney Thunder 942a86c7f72SDavid Daney Kodama 943a86c7f72SDavid Daney Hikari 944a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 945a86c7f72SDavid Daney 9467f058e85SJayachandran Cconfig NLM_XLR_BOARD 9477f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9487f058e85SJayachandran C select BOOT_ELF32 9497f058e85SJayachandran C select NLM_COMMON 9507f058e85SJayachandran C select SYS_HAS_CPU_XLR 9517f058e85SJayachandran C select SYS_SUPPORTS_SMP 952eb01d42aSChristoph Hellwig select HAVE_PCI 9537f058e85SJayachandran C select SWAP_IO_SPACE 9547f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9557f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 956d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9577f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9587f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9597f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9607f058e85SJayachandran C select CEVT_R4K 9617f058e85SJayachandran C select CSRC_R4K 96267e38cf2SRalf Baechle select IRQ_MIPS_CPU 963b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9647f058e85SJayachandran C select SYNC_R4K 9657f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9668f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9678f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9687f058e85SJayachandran C help 9697f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9707f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9717f058e85SJayachandran C 9721c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9731c773ea4SJayachandran C bool "Netlogic XLP based systems" 9741c773ea4SJayachandran C select BOOT_ELF32 9751c773ea4SJayachandran C select NLM_COMMON 9761c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9771c773ea4SJayachandran C select SYS_SUPPORTS_SMP 978eb01d42aSChristoph Hellwig select HAVE_PCI 9791c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9801c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 981d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 982d30a2b47SLinus Walleij select GPIOLIB 9831c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9841c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9851c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9861c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9871c773ea4SJayachandran C select CEVT_R4K 9881c773ea4SJayachandran C select CSRC_R4K 98967e38cf2SRalf Baechle select IRQ_MIPS_CPU 990b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9911c773ea4SJayachandran C select SYNC_R4K 9921c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9932f6528e1SJayachandran C select USE_OF 9948f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9958f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9961c773ea4SJayachandran C help 9971c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9981c773ea4SJayachandran C Say Y here if you have a XLP based board. 9991c773ea4SJayachandran C 10009bc463beSDavid Daneyconfig MIPS_PARAVIRT 10019bc463beSDavid Daney bool "Para-Virtualized guest system" 10029bc463beSDavid Daney select CEVT_R4K 10039bc463beSDavid Daney select CSRC_R4K 10049bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10059bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10069bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10079bc463beSDavid Daney select SYS_SUPPORTS_SMP 10089bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10099bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10109bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10119bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10129bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1013eb01d42aSChristoph Hellwig select HAVE_PCI 10149bc463beSDavid Daney select SWAP_IO_SPACE 10159bc463beSDavid Daney help 10169bc463beSDavid Daney This option supports guest running under ???? 10179bc463beSDavid Daney 10181da177e4SLinus Torvaldsendchoice 10191da177e4SLinus Torvalds 1020e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10213b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1022d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1023a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1024e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10258945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1026eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10275e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10285ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10298ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10301f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10312572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1032af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10330f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1034ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 103529c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 103638b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 103722b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10385e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1039a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 104030ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 104130ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10427f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1043ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 104438b18f72SRalf Baechle 10455e83d430SRalf Baechleendmenu 10465e83d430SRalf Baechle 10473c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10483c9ee7efSAkinobu Mita bool 10493c9ee7efSAkinobu Mita default y 10503c9ee7efSAkinobu Mita 10511da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10521da177e4SLinus Torvalds bool 10531da177e4SLinus Torvalds default y 10541da177e4SLinus Torvalds 1055ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10561cc89038SAtsushi Nemoto bool 10571cc89038SAtsushi Nemoto default y 10581cc89038SAtsushi Nemoto 10591da177e4SLinus Torvalds# 10601da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10611da177e4SLinus Torvalds# 10620e2794b0SRalf Baechleconfig FW_ARC 10631da177e4SLinus Torvalds bool 10641da177e4SLinus Torvalds 106561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106661ed242dSRalf Baechle bool 106761ed242dSRalf Baechle 10689267a30dSMarc St-Jeanconfig BOOT_RAW 10699267a30dSMarc St-Jean bool 10709267a30dSMarc St-Jean 1071217dd11eSRalf Baechleconfig CEVT_BCM1480 1072217dd11eSRalf Baechle bool 1073217dd11eSRalf Baechle 10746457d9fcSYoichi Yuasaconfig CEVT_DS1287 10756457d9fcSYoichi Yuasa bool 10766457d9fcSYoichi Yuasa 10771097c6acSYoichi Yuasaconfig CEVT_GT641XX 10781097c6acSYoichi Yuasa bool 10791097c6acSYoichi Yuasa 108042f77542SRalf Baechleconfig CEVT_R4K 108142f77542SRalf Baechle bool 108242f77542SRalf Baechle 1083217dd11eSRalf Baechleconfig CEVT_SB1250 1084217dd11eSRalf Baechle bool 1085217dd11eSRalf Baechle 1086229f773eSAtsushi Nemotoconfig CEVT_TXX9 1087229f773eSAtsushi Nemoto bool 1088229f773eSAtsushi Nemoto 1089217dd11eSRalf Baechleconfig CSRC_BCM1480 1090217dd11eSRalf Baechle bool 1091217dd11eSRalf Baechle 10924247417dSYoichi Yuasaconfig CSRC_IOASIC 10934247417dSYoichi Yuasa bool 10944247417dSYoichi Yuasa 1095940f6b48SRalf Baechleconfig CSRC_R4K 1096940f6b48SRalf Baechle bool 1097940f6b48SRalf Baechle 1098217dd11eSRalf Baechleconfig CSRC_SB1250 1099217dd11eSRalf Baechle bool 1100217dd11eSRalf Baechle 1101a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1102a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1103a7f4df4eSAlex Smith 1104a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1105d30a2b47SLinus Walleij select GPIOLIB 1106a9aec7feSAtsushi Nemoto bool 1107a9aec7feSAtsushi Nemoto 11080e2794b0SRalf Baechleconfig FW_CFE 1109df78b5c8SAurelien Jarno bool 1110df78b5c8SAurelien Jarno 111140e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111240e084a5SRalf Baechle bool 111340e084a5SRalf Baechle 1114885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1115f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1116885014bcSFelix Fietkau select DMA_NONCOHERENT 1117885014bcSFelix Fietkau bool 1118885014bcSFelix Fietkau 111920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112020d33064SPaul Burton bool 1121347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11225748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112320d33064SPaul Burton 11241da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11251da177e4SLinus Torvalds bool 1126db91427bSChristoph Hellwig # 1127db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1128db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1129db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1130db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1131db91427bSChristoph Hellwig # significant advantages. 1132db91427bSChristoph Hellwig # 1133419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1134f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11352ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1136e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 113758b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1138f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11394ce588cdSRalf Baechle 114036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11411da177e4SLinus Torvalds bool 11421da177e4SLinus Torvalds 11431b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1144dbb74540SRalf Baechle bool 1145dbb74540SRalf Baechle 11461da177e4SLinus Torvaldsconfig MIPS_BONITO64 11471da177e4SLinus Torvalds bool 11481da177e4SLinus Torvalds 11491da177e4SLinus Torvaldsconfig MIPS_MSC 11501da177e4SLinus Torvalds bool 11511da177e4SLinus Torvalds 11521f21d2bdSBrian Murphyconfig MIPS_NILE4 11531f21d2bdSBrian Murphy bool 11541f21d2bdSBrian Murphy 115539b8d525SRalf Baechleconfig SYNC_R4K 115639b8d525SRalf Baechle bool 115739b8d525SRalf Baechle 1158487d70d0SGabor Juhosconfig MIPS_MACHINE 1159487d70d0SGabor Juhos def_bool n 1160487d70d0SGabor Juhos 1161ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1162d388d685SMaciej W. Rozycki def_bool n 1163d388d685SMaciej W. Rozycki 11644e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11654e0748f5SMarkos Chandras bool 1166932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11674e0748f5SMarkos Chandras 11688313da30SRalf Baechleconfig GENERIC_ISA_DMA 11698313da30SRalf Baechle bool 11708313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1171a35bee8aSNamhyung Kim select ISA_DMA_API 11728313da30SRalf Baechle 1173aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1174aa414dffSRalf Baechle bool 11758313da30SRalf Baechle select GENERIC_ISA_DMA 1176aa414dffSRalf Baechle 1177a35bee8aSNamhyung Kimconfig ISA_DMA_API 1178a35bee8aSNamhyung Kim bool 1179a35bee8aSNamhyung Kim 1180465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1181465aaed0SDavid Daney bool 1182465aaed0SDavid Daney 11838c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11848c530ea3SMatt Redfearn bool 11858c530ea3SMatt Redfearn help 11868c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11878c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11888c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11898c530ea3SMatt Redfearn 1190f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1191f381bf6dSDavid Daney def_bool y 1192f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1193f381bf6dSDavid Daney 1194f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1195f381bf6dSDavid Daney def_bool y 1196f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1197f381bf6dSDavid Daney 1198f381bf6dSDavid Daney 11995e83d430SRalf Baechle# 12006b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12015e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12025e83d430SRalf Baechle# choice statement should be more obvious to the user. 12035e83d430SRalf Baechle# 12045e83d430SRalf Baechlechoice 12056b2aac42SMasanari Iida prompt "Endianness selection" 12061da177e4SLinus Torvalds help 12071da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12085e83d430SRalf Baechle byte order. These modes require different kernels and a different 12093cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12105e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12113dde6ad8SDavid Sterba one or the other endianness. 12125e83d430SRalf Baechle 12135e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12145e83d430SRalf Baechle bool "Big endian" 12155e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12165e83d430SRalf Baechle 12175e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12185e83d430SRalf Baechle bool "Little endian" 12195e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12205e83d430SRalf Baechle 12215e83d430SRalf Baechleendchoice 12225e83d430SRalf Baechle 122322b0763aSDavid Daneyconfig EXPORT_UASM 122422b0763aSDavid Daney bool 122522b0763aSDavid Daney 12262116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12272116245eSRalf Baechle bool 12282116245eSRalf Baechle 12295e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12305e83d430SRalf Baechle bool 12315e83d430SRalf Baechle 12325e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12335e83d430SRalf Baechle bool 12341da177e4SLinus Torvalds 12359cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12369cffd154SDavid Daney bool 123745e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12389cffd154SDavid Daney default y 12399cffd154SDavid Daney 1240aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1241aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1242aa1762f4SDavid Daney 12431da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12441da177e4SLinus Torvalds bool 12451da177e4SLinus Torvalds 12469267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12479267a30dSMarc St-Jean bool 12489267a30dSMarc St-Jean 12499267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12509267a30dSMarc St-Jean bool 12519267a30dSMarc St-Jean 12528420fd00SAtsushi Nemotoconfig IRQ_TXX9 12538420fd00SAtsushi Nemoto bool 12548420fd00SAtsushi Nemoto 1255d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1256d5ab1a69SYoichi Yuasa bool 1257d5ab1a69SYoichi Yuasa 1258252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12591da177e4SLinus Torvalds bool 12601da177e4SLinus Torvalds 1261a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1262a57140e9SThomas Bogendoerfer bool 1263a57140e9SThomas Bogendoerfer 12649267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12659267a30dSMarc St-Jean bool 12669267a30dSMarc St-Jean 1267a83860c2SRalf Baechleconfig SOC_EMMA2RH 1268a83860c2SRalf Baechle bool 1269a83860c2SRalf Baechle select CEVT_R4K 1270a83860c2SRalf Baechle select CSRC_R4K 1271a83860c2SRalf Baechle select DMA_NONCOHERENT 127267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1273a83860c2SRalf Baechle select SWAP_IO_SPACE 1274a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1275a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1276a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1277a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1278a83860c2SRalf Baechle 1279edb6310aSDaniel Lairdconfig SOC_PNX833X 1280edb6310aSDaniel Laird bool 1281edb6310aSDaniel Laird select CEVT_R4K 1282edb6310aSDaniel Laird select CSRC_R4K 128367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1284edb6310aSDaniel Laird select DMA_NONCOHERENT 1285edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1286edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1287edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1288edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1289377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1290edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1291edb6310aSDaniel Laird 1292edb6310aSDaniel Lairdconfig SOC_PNX8335 1293edb6310aSDaniel Laird bool 1294edb6310aSDaniel Laird select SOC_PNX833X 1295edb6310aSDaniel Laird 1296a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1297a7e07b1aSMarkos Chandras bool 1298a7e07b1aSMarkos Chandras 12991da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13001da177e4SLinus Torvalds bool 13011da177e4SLinus Torvalds 1302e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1303e2defae5SThomas Bogendoerfer bool 1304e2defae5SThomas Bogendoerfer 13055b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13065b438c44SThomas Bogendoerfer bool 13075b438c44SThomas Bogendoerfer 1308e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1309e2defae5SThomas Bogendoerfer bool 1310e2defae5SThomas Bogendoerfer 1311e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1312e2defae5SThomas Bogendoerfer bool 1313e2defae5SThomas Bogendoerfer 1314e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1315e2defae5SThomas Bogendoerfer bool 1316e2defae5SThomas Bogendoerfer 1317e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1318e2defae5SThomas Bogendoerfer bool 1319e2defae5SThomas Bogendoerfer 1320e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1321e2defae5SThomas Bogendoerfer bool 1322e2defae5SThomas Bogendoerfer 13230e2794b0SRalf Baechleconfig FW_ARC32 13245e83d430SRalf Baechle bool 13255e83d430SRalf Baechle 1326aaa9fad3SPaul Bolleconfig FW_SNIPROM 1327231a35d3SThomas Bogendoerfer bool 1328231a35d3SThomas Bogendoerfer 13291da177e4SLinus Torvaldsconfig BOOT_ELF32 13301da177e4SLinus Torvalds bool 13311da177e4SLinus Torvalds 1332930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1333930beb5aSFlorian Fainelli bool 1334930beb5aSFlorian Fainelli 1335930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1336930beb5aSFlorian Fainelli bool 1337930beb5aSFlorian Fainelli 1338930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1339930beb5aSFlorian Fainelli bool 1340930beb5aSFlorian Fainelli 1341930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1342930beb5aSFlorian Fainelli bool 1343930beb5aSFlorian Fainelli 13441da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13451da177e4SLinus Torvalds int 1346a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13475432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13485432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13495432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13501da177e4SLinus Torvalds default "5" 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13531da177e4SLinus Torvalds bool 13541da177e4SLinus Torvalds 1355*e9422427SThomas Bogendoerferconfig ARC_CMDLINE_ONLY 1356*e9422427SThomas Bogendoerfer bool 1357*e9422427SThomas Bogendoerfer 13581da177e4SLinus Torvaldsconfig ARC_CONSOLE 13591da177e4SLinus Torvalds bool "ARC console support" 1360e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsconfig ARC_MEMORY 13631da177e4SLinus Torvalds bool 13641da177e4SLinus Torvalds 13651da177e4SLinus Torvaldsconfig ARC_PROMLIB 13661da177e4SLinus Torvalds bool 13671da177e4SLinus Torvalds 13680e2794b0SRalf Baechleconfig FW_ARC64 13691da177e4SLinus Torvalds bool 13701da177e4SLinus Torvalds 13711da177e4SLinus Torvaldsconfig BOOT_ELF64 13721da177e4SLinus Torvalds bool 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvaldsmenu "CPU selection" 13751da177e4SLinus Torvalds 13761da177e4SLinus Torvaldschoice 13771da177e4SLinus Torvalds prompt "CPU type" 13781da177e4SLinus Torvalds default CPU_R4X00 13791da177e4SLinus Torvalds 13800e476d91SHuacai Chenconfig CPU_LOONGSON3 13810e476d91SHuacai Chen bool "Loongson 3 CPU" 13820e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1383d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13840e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13850e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13860e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13877507445bSHuacai Chen select CPU_SUPPORTS_MSA 1388932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13890e476d91SHuacai Chen select WEAK_ORDERING 13900e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13917507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1392b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 139317c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1394d30a2b47SLinus Walleij select GPIOLIB 139509230cbcSChristoph Hellwig select SWIOTLB 13960e476d91SHuacai Chen help 13970e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13980e476d91SHuacai Chen set with many extensions. 13990e476d91SHuacai Chen 14001e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 14011e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 14021e820da3SHuacai Chen default n 14031e820da3SHuacai Chen select CPU_MIPSR2 14041e820da3SHuacai Chen select CPU_HAS_PREFETCH 14051e820da3SHuacai Chen depends on CPU_LOONGSON3 14061e820da3SHuacai Chen help 14071e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 14081e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 14091e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 14101e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14111e820da3SHuacai Chen Fast TLB refill support, etc. 14121e820da3SHuacai Chen 14131e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14141e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14151e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14161e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14171e820da3SHuacai Chen 1418e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1419e02e07e3SHuacai Chen bool "Old Loongson 3 LLSC Workarounds" 1420e02e07e3SHuacai Chen default y if SMP 1421e02e07e3SHuacai Chen depends on CPU_LOONGSON3 1422e02e07e3SHuacai Chen help 1423e02e07e3SHuacai Chen Loongson 3 processors have the llsc issues which require workarounds. 1424e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1425e02e07e3SHuacai Chen 1426e02e07e3SHuacai Chen Newer Loongson 3 will fix these issues and no workarounds are needed. 1427e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1428e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1429e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1430e02e07e3SHuacai Chen 1431e02e07e3SHuacai Chen If unsure, please say Y. 1432e02e07e3SHuacai Chen 14333702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14343702bba5SWu Zhangjin bool "Loongson 2E" 14353702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14363702bba5SWu Zhangjin select CPU_LOONGSON2 14372a21c730SFuxin Zhang help 14382a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14392a21c730SFuxin Zhang with many extensions. 14402a21c730SFuxin Zhang 144125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14426f7a251aSWu Zhangjin bonito64. 14436f7a251aSWu Zhangjin 14446f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14456f7a251aSWu Zhangjin bool "Loongson 2F" 14466f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14476f7a251aSWu Zhangjin select CPU_LOONGSON2 1448d30a2b47SLinus Walleij select GPIOLIB 14496f7a251aSWu Zhangjin help 14506f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14516f7a251aSWu Zhangjin with many extensions. 14526f7a251aSWu Zhangjin 14536f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14546f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14556f7a251aSWu Zhangjin Loongson2E. 14566f7a251aSWu Zhangjin 1457ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1458ca585cf9SKelvin Cheung bool "Loongson 1B" 1459ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1460ca585cf9SKelvin Cheung select CPU_LOONGSON1 14619ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1462ca585cf9SKelvin Cheung help 1463ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1464968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1465968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1466ca585cf9SKelvin Cheung 146712e3280bSYang Lingconfig CPU_LOONGSON1C 146812e3280bSYang Ling bool "Loongson 1C" 146912e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 147012e3280bSYang Ling select CPU_LOONGSON1 147112e3280bSYang Ling select LEDS_GPIO_REGISTER 147212e3280bSYang Ling help 147312e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1474968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1475968dc5a0S谢致邦 (XIE Zhibang) instruction set. 147612e3280bSYang Ling 14776e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14786e760c8dSRalf Baechle bool "MIPS32 Release 1" 14797cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14806e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1481932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1482797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1483ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14846e760c8dSRalf Baechle help 14855e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14861e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14871e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14881e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14891e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14901e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14911e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14921e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14931e5f1caaSRalf Baechle performance. 14941e5f1caaSRalf Baechle 14951e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14961e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14977cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14981e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1499932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1500797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1501ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1502a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15032235a54dSSanjay Lal select HAVE_KVM 15041e5f1caaSRalf Baechle help 15055e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15066e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15076e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15086e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15096e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15101da177e4SLinus Torvalds 15117fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1512674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15137fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15147fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15157fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15167fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15177fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15187fd08ca5SLeonid Yegoshin select HAVE_KVM 15197fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15207fd08ca5SLeonid Yegoshin help 15217fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15227fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15237fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15247fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15257fd08ca5SLeonid Yegoshin 15266e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15276e760c8dSRalf Baechle bool "MIPS64 Release 1" 15287cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1529797798c1SRalf Baechle select CPU_HAS_PREFETCH 1530932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1531ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1532ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1533ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15349cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15356e760c8dSRalf Baechle help 15366e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15376e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15386e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15396e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15406e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15411e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15421e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15431e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15441e5f1caaSRalf Baechle performance. 15451e5f1caaSRalf Baechle 15461e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15471e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15487cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1549797798c1SRalf Baechle select CPU_HAS_PREFETCH 1550932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15511e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15521e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1553ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15549cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1555a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 155640a2df49SJames Hogan select HAVE_KVM 15571e5f1caaSRalf Baechle help 15581e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15591e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15601e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15611e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15621e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15631da177e4SLinus Torvalds 15647fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1565674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15667fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15677fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15687fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15697fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15707fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1571afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15732e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 157440a2df49SJames Hogan select HAVE_KVM 15757fd08ca5SLeonid Yegoshin help 15767fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15777fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15787fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15797fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15807fd08ca5SLeonid Yegoshin 15811da177e4SLinus Torvaldsconfig CPU_R3000 15821da177e4SLinus Torvalds bool "R3000" 15837cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1584f7062ddbSRalf Baechle select CPU_HAS_WB 1585932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 158654746829SPaul Burton select CPU_R3K_TLB 1587ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1588797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15891da177e4SLinus Torvalds help 15901da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15911da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15921da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15931da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15941da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15951da177e4SLinus Torvalds try to recompile with R3000. 15961da177e4SLinus Torvalds 15971da177e4SLinus Torvaldsconfig CPU_TX39XX 15981da177e4SLinus Torvalds bool "R39XX" 15997cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1600ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1601932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 160254746829SPaul Burton select CPU_R3K_TLB 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvaldsconfig CPU_VR41XX 16051da177e4SLinus Torvalds bool "R41xx" 16067cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1607ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1608ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1609932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16101da177e4SLinus Torvalds help 16115e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16121da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16131da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16141da177e4SLinus Torvalds processor or vice versa. 16151da177e4SLinus Torvalds 16161da177e4SLinus Torvaldsconfig CPU_R4X00 16171da177e4SLinus Torvalds bool "R4x00" 16187cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1619ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1620ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1621970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1622932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16231da177e4SLinus Torvalds help 16241da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16251da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvaldsconfig CPU_TX49XX 16281da177e4SLinus Torvalds bool "R49XX" 16297cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1630de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1631932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1632ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1633ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1634970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16351da177e4SLinus Torvalds 16361da177e4SLinus Torvaldsconfig CPU_R5000 16371da177e4SLinus Torvalds bool "R5000" 16387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1639ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1640ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1641970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1642932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16431da177e4SLinus Torvalds help 16441da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16451da177e4SLinus Torvalds 1646542c1020SShinya Kuribayashiconfig CPU_R5500 1647542c1020SShinya Kuribayashi bool "R5500" 1648542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1649542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1650542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16519cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1652932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1653542c1020SShinya Kuribayashi help 1654542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1655542c1020SShinya Kuribayashi instruction set. 1656542c1020SShinya Kuribayashi 16571da177e4SLinus Torvaldsconfig CPU_NEVADA 16581da177e4SLinus Torvalds bool "RM52xx" 16597cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1660ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1662970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1663932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16641da177e4SLinus Torvalds help 16651da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16661da177e4SLinus Torvalds 16671da177e4SLinus Torvaldsconfig CPU_R10000 16681da177e4SLinus Torvalds bool "R10000" 16697cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16705e83d430SRalf Baechle select CPU_HAS_PREFETCH 1671932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1672ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1673ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1674797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1675970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16761da177e4SLinus Torvalds help 16771da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16781da177e4SLinus Torvalds 16791da177e4SLinus Torvaldsconfig CPU_RM7000 16801da177e4SLinus Torvalds bool "RM7000" 16817cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16825e83d430SRalf Baechle select CPU_HAS_PREFETCH 1683932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1684ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1685ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1686797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1687970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16881da177e4SLinus Torvalds 16891da177e4SLinus Torvaldsconfig CPU_SB1 16901da177e4SLinus Torvalds bool "SB1" 16917cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1692932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1693ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1694ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1695797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1696970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16970004a9dfSRalf Baechle select WEAK_ORDERING 16981da177e4SLinus Torvalds 1699a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1700a86c7f72SDavid Daney bool "Cavium Octeon processor" 17015e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1702a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1703932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1704a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1705a86c7f72SDavid Daney select WEAK_ORDERING 1706a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17079cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1708df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1709df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1710930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17110ae3abcdSJames Hogan select HAVE_KVM 1712a86c7f72SDavid Daney help 1713a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1714a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1715a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1716a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1717a86c7f72SDavid Daney 1718cd746249SJonas Gorskiconfig CPU_BMIPS 1719cd746249SJonas Gorski bool "Broadcom BMIPS" 1720cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1721cd746249SJonas Gorski select CPU_MIPS32 1722fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1723cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1724cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1725cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1726cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1727cd746249SJonas Gorski select DMA_NONCOHERENT 172867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1729cd746249SJonas Gorski select SWAP_IO_SPACE 1730cd746249SJonas Gorski select WEAK_ORDERING 1731c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 173269aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1733932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1734a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1735a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1736c1c0c461SKevin Cernekee help 1737fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1738c1c0c461SKevin Cernekee 17397f058e85SJayachandran Cconfig CPU_XLR 17407f058e85SJayachandran C bool "Netlogic XLR SoC" 17417f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1742932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17437f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17447f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17457f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1746970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17477f058e85SJayachandran C select WEAK_ORDERING 17487f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17497f058e85SJayachandran C help 17507f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17511c773ea4SJayachandran C 17521c773ea4SJayachandran Cconfig CPU_XLP 17531c773ea4SJayachandran C bool "Netlogic XLP SoC" 17541c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17551c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17561c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17571c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17581c773ea4SJayachandran C select WEAK_ORDERING 17591c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17601c773ea4SJayachandran C select CPU_HAS_PREFETCH 1761932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1762d6504846SJayachandran C select CPU_MIPSR2 1763ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17642db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17651c773ea4SJayachandran C help 17661c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17671da177e4SLinus Torvaldsendchoice 17681da177e4SLinus Torvalds 1769a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1770a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1771a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17727fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1773a6e18781SLeonid Yegoshin help 1774a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1775a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1776a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1777a6e18781SLeonid Yegoshin 1778a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1779a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1780a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1781a6e18781SLeonid Yegoshin select EVA 1782a6e18781SLeonid Yegoshin default y 1783a6e18781SLeonid Yegoshin help 1784a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1785a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1786a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1787a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1788a6e18781SLeonid Yegoshin 1789c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1790c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1791c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1792c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1793c5b36783SSteven J. Hill help 1794c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1795c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1796c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1797c5b36783SSteven J. Hill 1798c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1799c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1800c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1801c5b36783SSteven J. Hill depends on !EVA 1802c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1803c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1804c5b36783SSteven J. Hill select XPA 1805c5b36783SSteven J. Hill select HIGHMEM 1806d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1807c5b36783SSteven J. Hill default n 1808c5b36783SSteven J. Hill help 1809c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1810c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1811c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1812c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1813c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1814c5b36783SSteven J. Hill If unsure, say 'N' here. 1815c5b36783SSteven J. Hill 1816622844bfSWu Zhangjinif CPU_LOONGSON2F 1817622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1818622844bfSWu Zhangjin bool 1819622844bfSWu Zhangjin 1820622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1821622844bfSWu Zhangjin bool 1822622844bfSWu Zhangjin 1823622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1824622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1825622844bfSWu Zhangjin default y 1826622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1827622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1828622844bfSWu Zhangjin help 1829622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1830622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1831622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1832622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1833622844bfSWu Zhangjin 1834622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1835622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1836622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1837622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1838622844bfSWu Zhangjin systems. 1839622844bfSWu Zhangjin 1840622844bfSWu Zhangjin If unsure, please say Y. 1841622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1842622844bfSWu Zhangjin 18431b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18441b93b3c3SWu Zhangjin bool 18451b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18461b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 184731c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18481b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1849fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18504e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18511b93b3c3SWu Zhangjin 18521b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18531b93b3c3SWu Zhangjin bool 18541b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18551b93b3c3SWu Zhangjin 1856dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1857dbb98314SAlban Bedel bool 1858dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1859dbb98314SAlban Bedel 18603702bba5SWu Zhangjinconfig CPU_LOONGSON2 18613702bba5SWu Zhangjin bool 18623702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18633702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18643702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1865970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1866e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1867932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18683702bba5SWu Zhangjin 1869ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1870ca585cf9SKelvin Cheung bool 1871ca585cf9SKelvin Cheung select CPU_MIPS32 18727e280f6bSJiaxun Yang select CPU_MIPSR2 1873ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1874932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1875ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1876ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1877f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1878ca585cf9SKelvin Cheung 1879fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 188004fa8bf7SJonas Gorski select SMP_UP if SMP 18811bbb6c1bSKevin Cernekee bool 1882cd746249SJonas Gorski 1883cd746249SJonas Gorskiconfig CPU_BMIPS4350 1884cd746249SJonas Gorski bool 1885cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1886cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1887cd746249SJonas Gorski 1888cd746249SJonas Gorskiconfig CPU_BMIPS4380 1889cd746249SJonas Gorski bool 1890bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1891cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1892cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1893b4720809SFlorian Fainelli select CPU_HAS_RIXI 1894cd746249SJonas Gorski 1895cd746249SJonas Gorskiconfig CPU_BMIPS5000 1896cd746249SJonas Gorski bool 1897cd746249SJonas Gorski select MIPS_CPU_SCACHE 1898bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1899cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1900cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1901b4720809SFlorian Fainelli select CPU_HAS_RIXI 19021bbb6c1bSKevin Cernekee 19030e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 19040e476d91SHuacai Chen bool 19050e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1906b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19070e476d91SHuacai Chen 19083702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19092a21c730SFuxin Zhang bool 19102a21c730SFuxin Zhang 19116f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19126f7a251aSWu Zhangjin bool 191355045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 191455045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 191522f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19166f7a251aSWu Zhangjin 1917ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1918ca585cf9SKelvin Cheung bool 1919ca585cf9SKelvin Cheung 192012e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 192112e3280bSYang Ling bool 192212e3280bSYang Ling 19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19247cf8053bSRalf Baechle bool 19257cf8053bSRalf Baechle 19267cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19277cf8053bSRalf Baechle bool 19287cf8053bSRalf Baechle 1929a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1930a6e18781SLeonid Yegoshin bool 1931a6e18781SLeonid Yegoshin 1932c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1933c5b36783SSteven J. Hill bool 19349ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1935c5b36783SSteven J. Hill 19367fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19377fd08ca5SLeonid Yegoshin bool 19389ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19397fd08ca5SLeonid Yegoshin 19407cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19417cf8053bSRalf Baechle bool 19427cf8053bSRalf Baechle 19437cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19447cf8053bSRalf Baechle bool 19457cf8053bSRalf Baechle 19467fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19477fd08ca5SLeonid Yegoshin bool 19489ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19497fd08ca5SLeonid Yegoshin 19507cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19517cf8053bSRalf Baechle bool 19527cf8053bSRalf Baechle 19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19547cf8053bSRalf Baechle bool 19557cf8053bSRalf Baechle 19567cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19577cf8053bSRalf Baechle bool 19587cf8053bSRalf Baechle 19597cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19607cf8053bSRalf Baechle bool 19617cf8053bSRalf Baechle 19627cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19637cf8053bSRalf Baechle bool 19647cf8053bSRalf Baechle 19657cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19667cf8053bSRalf Baechle bool 19677cf8053bSRalf Baechle 1968542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1969542c1020SShinya Kuribayashi bool 1970542c1020SShinya Kuribayashi 19717cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19727cf8053bSRalf Baechle bool 19737cf8053bSRalf Baechle 19747cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19757cf8053bSRalf Baechle bool 19769ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19777cf8053bSRalf Baechle 19787cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19797cf8053bSRalf Baechle bool 19807cf8053bSRalf Baechle 19817cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19827cf8053bSRalf Baechle bool 19837cf8053bSRalf Baechle 19845e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19855e683389SDavid Daney bool 19865e683389SDavid Daney 1987cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1988c1c0c461SKevin Cernekee bool 1989c1c0c461SKevin Cernekee 1990fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1991c1c0c461SKevin Cernekee bool 1992cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1993c1c0c461SKevin Cernekee 1994c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1995c1c0c461SKevin Cernekee bool 1996cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1997c1c0c461SKevin Cernekee 1998c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1999c1c0c461SKevin Cernekee bool 2000cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2001c1c0c461SKevin Cernekee 2002c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2003c1c0c461SKevin Cernekee bool 2004cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2005f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2006c1c0c461SKevin Cernekee 20077f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20087f058e85SJayachandran C bool 20097f058e85SJayachandran C 20101c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20111c773ea4SJayachandran C bool 20121c773ea4SJayachandran C 201317099b11SRalf Baechle# 201417099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 201517099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 201617099b11SRalf Baechle# 20170004a9dfSRalf Baechleconfig WEAK_ORDERING 20180004a9dfSRalf Baechle bool 201917099b11SRalf Baechle 202017099b11SRalf Baechle# 202117099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 202217099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 202317099b11SRalf Baechle# 202417099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 202517099b11SRalf Baechle bool 20265e83d430SRalf Baechleendmenu 20275e83d430SRalf Baechle 20285e83d430SRalf Baechle# 20295e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20305e83d430SRalf Baechle# 20315e83d430SRalf Baechleconfig CPU_MIPS32 20325e83d430SRalf Baechle bool 20337fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20345e83d430SRalf Baechle 20355e83d430SRalf Baechleconfig CPU_MIPS64 20365e83d430SRalf Baechle bool 20377fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20385e83d430SRalf Baechle 20395e83d430SRalf Baechle# 204057eeacedSPaul Burton# These indicate the revision of the architecture 20415e83d430SRalf Baechle# 20425e83d430SRalf Baechleconfig CPU_MIPSR1 20435e83d430SRalf Baechle bool 20445e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20455e83d430SRalf Baechle 20465e83d430SRalf Baechleconfig CPU_MIPSR2 20475e83d430SRalf Baechle bool 2048a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20498256b17eSFlorian Fainelli select CPU_HAS_RIXI 2050a7e07b1aSMarkos Chandras select MIPS_SPRAM 20515e83d430SRalf Baechle 20527fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20537fd08ca5SLeonid Yegoshin bool 20547fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20558256b17eSFlorian Fainelli select CPU_HAS_RIXI 205687321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20572db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20584a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2059a7e07b1aSMarkos Chandras select MIPS_SPRAM 20605e83d430SRalf Baechle 206157eeacedSPaul Burtonconfig TARGET_ISA_REV 206257eeacedSPaul Burton int 206357eeacedSPaul Burton default 1 if CPU_MIPSR1 206457eeacedSPaul Burton default 2 if CPU_MIPSR2 206557eeacedSPaul Burton default 6 if CPU_MIPSR6 206657eeacedSPaul Burton default 0 206757eeacedSPaul Burton help 206857eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 206957eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 207057eeacedSPaul Burton 2071a6e18781SLeonid Yegoshinconfig EVA 2072a6e18781SLeonid Yegoshin bool 2073a6e18781SLeonid Yegoshin 2074c5b36783SSteven J. Hillconfig XPA 2075c5b36783SSteven J. Hill bool 2076c5b36783SSteven J. Hill 20775e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20785e83d430SRalf Baechle bool 20795e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20805e83d430SRalf Baechle bool 20815e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20825e83d430SRalf Baechle bool 20835e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20845e83d430SRalf Baechle bool 208555045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 208655045ff5SWu Zhangjin bool 208755045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 208855045ff5SWu Zhangjin bool 20899cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20909cffd154SDavid Daney bool 2091171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 209222f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 209322f1fdfdSWu Zhangjin bool 209482622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 209582622284SDavid Daney bool 2096cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20975e83d430SRalf Baechle 20988192c9eaSDavid Daney# 20998192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21008192c9eaSDavid Daney# 21018192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21028192c9eaSDavid Daney bool 2103679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21048192c9eaSDavid Daney 21055e83d430SRalf Baechlemenu "Kernel type" 21065e83d430SRalf Baechle 21075e83d430SRalf Baechlechoice 21085e83d430SRalf Baechle prompt "Kernel code model" 21095e83d430SRalf Baechle help 21105e83d430SRalf Baechle You should only select this option if you have a workload that 21115e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21125e83d430SRalf Baechle large memory. You will only be presented a single option in this 21135e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21145e83d430SRalf Baechle 21155e83d430SRalf Baechleconfig 32BIT 21165e83d430SRalf Baechle bool "32-bit kernel" 21175e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21185e83d430SRalf Baechle select TRAD_SIGNALS 21195e83d430SRalf Baechle help 21205e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2121f17c4ca3SRalf Baechle 21225e83d430SRalf Baechleconfig 64BIT 21235e83d430SRalf Baechle bool "64-bit kernel" 21245e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21255e83d430SRalf Baechle help 21265e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21275e83d430SRalf Baechle 21285e83d430SRalf Baechleendchoice 21295e83d430SRalf Baechle 21302235a54dSSanjay Lalconfig KVM_GUEST 21312235a54dSSanjay Lal bool "KVM Guest Kernel" 2132f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21332235a54dSSanjay Lal help 2134caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2135caa1faa7SJames Hogan mode. 21362235a54dSSanjay Lal 2137eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2138eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21392235a54dSSanjay Lal depends on KVM_GUEST 2140eda3d33cSJames Hogan default 100 21412235a54dSSanjay Lal help 2142eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2143eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2144eda3d33cSJames Hogan timer frequency is specified directly. 21452235a54dSSanjay Lal 21461e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21471e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21481e321fa9SLeonid Yegoshin depends on 64BIT 21491e321fa9SLeonid Yegoshin help 21503377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21513377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21523377e227SAlex Belits For page sizes 16k and above, this option results in a small 21533377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21543377e227SAlex Belits level of page tables is added which imposes both a memory 21553377e227SAlex Belits overhead as well as slower TLB fault handling. 21563377e227SAlex Belits 21571e321fa9SLeonid Yegoshin If unsure, say N. 21581e321fa9SLeonid Yegoshin 21591da177e4SLinus Torvaldschoice 21601da177e4SLinus Torvalds prompt "Kernel page size" 21611da177e4SLinus Torvalds default PAGE_SIZE_4KB 21621da177e4SLinus Torvalds 21631da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21641da177e4SLinus Torvalds bool "4kB" 21650e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21661da177e4SLinus Torvalds help 21671da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21681da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21691da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21701da177e4SLinus Torvalds recommended for low memory systems. 21711da177e4SLinus Torvalds 21721da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21731da177e4SLinus Torvalds bool "8kB" 2174c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21751e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21761da177e4SLinus Torvalds help 21771da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21781da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2179c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2180c2aeaaeaSPaul Burton distribution to support this. 21811da177e4SLinus Torvalds 21821da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21831da177e4SLinus Torvalds bool "16kB" 2184714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21851da177e4SLinus Torvalds help 21861da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21871da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2188714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2189714bfad6SRalf Baechle Linux distribution to support this. 21901da177e4SLinus Torvalds 2191c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2192c52399beSRalf Baechle bool "32kB" 2193c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21941e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2195c52399beSRalf Baechle help 2196c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2197c52399beSRalf Baechle the price of higher memory consumption. This option is available 2198c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2199c52399beSRalf Baechle distribution to support this. 2200c52399beSRalf Baechle 22011da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22021da177e4SLinus Torvalds bool "64kB" 22033b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22041da177e4SLinus Torvalds help 22051da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22061da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22071da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2208714bfad6SRalf Baechle writing this option is still high experimental. 22091da177e4SLinus Torvalds 22101da177e4SLinus Torvaldsendchoice 22111da177e4SLinus Torvalds 2212c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2213c9bace7cSDavid Daney int "Maximum zone order" 2214e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2215e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2216e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2217e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2218e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2219e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2220c9bace7cSDavid Daney range 11 64 2221c9bace7cSDavid Daney default "11" 2222c9bace7cSDavid Daney help 2223c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2224c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2225c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2226c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2227c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2228c9bace7cSDavid Daney increase this value. 2229c9bace7cSDavid Daney 2230c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2231c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2232c9bace7cSDavid Daney 2233c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2234c9bace7cSDavid Daney when choosing a value for this option. 2235c9bace7cSDavid Daney 22361da177e4SLinus Torvaldsconfig BOARD_SCACHE 22371da177e4SLinus Torvalds bool 22381da177e4SLinus Torvalds 22391da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22401da177e4SLinus Torvalds bool 22411da177e4SLinus Torvalds select BOARD_SCACHE 22421da177e4SLinus Torvalds 22439318c51aSChris Dearman# 22449318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22459318c51aSChris Dearman# 22469318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22479318c51aSChris Dearman bool 22489318c51aSChris Dearman select BOARD_SCACHE 22499318c51aSChris Dearman 22501da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22511da177e4SLinus Torvalds bool 22521da177e4SLinus Torvalds select BOARD_SCACHE 22531da177e4SLinus Torvalds 22541da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22551da177e4SLinus Torvalds bool 22561da177e4SLinus Torvalds select BOARD_SCACHE 22571da177e4SLinus Torvalds 22581da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22591da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22601da177e4SLinus Torvalds depends on CPU_SB1 22611da177e4SLinus Torvalds help 22621da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22631da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22641da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22651da177e4SLinus Torvalds 22661da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2267c8094b53SRalf Baechle bool 22681da177e4SLinus Torvalds 22693165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22703165c846SFlorian Fainelli bool 2271c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22723165c846SFlorian Fainelli 2273c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2274183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2275183b40f9SPaul Burton default y 2276183b40f9SPaul Burton help 2277183b40f9SPaul Burton Select y to include support for floating point in the kernel 2278183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2279183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2280183b40f9SPaul Burton userland program attempting to use floating point instructions will 2281183b40f9SPaul Burton receive a SIGILL. 2282183b40f9SPaul Burton 2283183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2284183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2285183b40f9SPaul Burton 2286183b40f9SPaul Burton If unsure, say y. 2287c92e47e5SPaul Burton 228897f7dcbfSPaul Burtonconfig CPU_R2300_FPU 228997f7dcbfSPaul Burton bool 2290c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229197f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 229297f7dcbfSPaul Burton 229354746829SPaul Burtonconfig CPU_R3K_TLB 229454746829SPaul Burton bool 229554746829SPaul Burton 229691405eb6SFlorian Fainelliconfig CPU_R4K_FPU 229791405eb6SFlorian Fainelli bool 2298c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229997f7dcbfSPaul Burton default y if !CPU_R2300_FPU 230091405eb6SFlorian Fainelli 230162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 230262cedc4fSFlorian Fainelli bool 230354746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 230462cedc4fSFlorian Fainelli 230559d6ab86SRalf Baechleconfig MIPS_MT_SMP 2306a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23075cbf9688SPaul Burton default y 2308527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 230959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2310d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2311c080faa5SSteven J. Hill select SYNC_R4K 231259d6ab86SRalf Baechle select MIPS_MT 231359d6ab86SRalf Baechle select SMP 231487353d8aSRalf Baechle select SMP_UP 2315c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2316c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2317399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 231859d6ab86SRalf Baechle help 2319c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2320c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2321c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2322c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2323c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 232459d6ab86SRalf Baechle 2325f41ae0b2SRalf Baechleconfig MIPS_MT 2326f41ae0b2SRalf Baechle bool 2327f41ae0b2SRalf Baechle 23280ab7aefcSRalf Baechleconfig SCHED_SMT 23290ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23300ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23310ab7aefcSRalf Baechle default n 23320ab7aefcSRalf Baechle help 23330ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23340ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23350ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23360ab7aefcSRalf Baechle 23370ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23380ab7aefcSRalf Baechle bool 23390ab7aefcSRalf Baechle 2340f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2341f41ae0b2SRalf Baechle bool 2342f41ae0b2SRalf Baechle 2343f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2344f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2345f088fc84SRalf Baechle default y 2346b633648cSRalf Baechle depends on MIPS_MT_SMP 234707cc0c9eSRalf Baechle 2348b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2349b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23509eaa9a82SPaul Burton depends on CPU_MIPSR6 2351c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2352b0a668fbSLeonid Yegoshin default y 2353b0a668fbSLeonid Yegoshin help 2354b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2355b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 235607edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2357b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2358b0a668fbSLeonid Yegoshin final kernel image. 2359b0a668fbSLeonid Yegoshin 2360f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2361f35764e7SJames Hogan bool 2362f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2363f35764e7SJames Hogan help 2364f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2365f35764e7SJames Hogan physical_memsize. 2366f35764e7SJames Hogan 236707cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 236807cc0c9eSRalf Baechle bool "VPE loader support." 2369f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 237007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 237107cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 237207cc0c9eSRalf Baechle select MIPS_MT 237307cc0c9eSRalf Baechle help 237407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 237507cc0c9eSRalf Baechle onto another VPE and running it. 2376f088fc84SRalf Baechle 237717a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 237817a1d523SDeng-Cheng Zhu bool 237917a1d523SDeng-Cheng Zhu default "y" 238017a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 238117a1d523SDeng-Cheng Zhu 23821a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23831a2a6d7eSDeng-Cheng Zhu bool 23841a2a6d7eSDeng-Cheng Zhu default "y" 23851a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23861a2a6d7eSDeng-Cheng Zhu 2387e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2388e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2389e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2390e01402b1SRalf Baechle default y 2391e01402b1SRalf Baechle help 2392e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2393e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2394e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2395e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2396e01402b1SRalf Baechle 2397e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2398e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2399e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2400e01402b1SRalf Baechle 2401da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2402da615cf6SDeng-Cheng Zhu bool 2403da615cf6SDeng-Cheng Zhu default "y" 2404da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2405da615cf6SDeng-Cheng Zhu 24062c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24072c973ef0SDeng-Cheng Zhu bool 24082c973ef0SDeng-Cheng Zhu default "y" 24092c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24102c973ef0SDeng-Cheng Zhu 24114a16ff4cSRalf Baechleconfig MIPS_CMP 24125cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24135676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2414b10b43baSMarkos Chandras select SMP 2415eb9b5141STim Anderson select SYNC_R4K 2416b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24174a16ff4cSRalf Baechle select WEAK_ORDERING 24184a16ff4cSRalf Baechle default n 24194a16ff4cSRalf Baechle help 2420044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2421044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2422044505c7SPaul Burton its ability to start secondary CPUs. 24234a16ff4cSRalf Baechle 24245cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24255cac93b3SPaul Burton instead of this. 24265cac93b3SPaul Burton 24270ee958e1SPaul Burtonconfig MIPS_CPS 24280ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24295a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24300ee958e1SPaul Burton select MIPS_CM 24311d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24320ee958e1SPaul Burton select SMP 24330ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24341d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2435c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24360ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24370ee958e1SPaul Burton select WEAK_ORDERING 24380ee958e1SPaul Burton help 24390ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24400ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24410ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24420ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24430ee958e1SPaul Burton support is unavailable. 24440ee958e1SPaul Burton 24453179d37eSPaul Burtonconfig MIPS_CPS_PM 244639a59593SMarkos Chandras depends on MIPS_CPS 24473179d37eSPaul Burton bool 24483179d37eSPaul Burton 24499f98f3ddSPaul Burtonconfig MIPS_CM 24509f98f3ddSPaul Burton bool 24513c9b4166SPaul Burton select MIPS_CPC 24529f98f3ddSPaul Burton 24539c38cf44SPaul Burtonconfig MIPS_CPC 24549c38cf44SPaul Burton bool 24552600990eSRalf Baechle 24561da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24571da177e4SLinus Torvalds bool 24581da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24591da177e4SLinus Torvalds default y 24601da177e4SLinus Torvalds 24611da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24621da177e4SLinus Torvalds bool 24631da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24641da177e4SLinus Torvalds default y 24651da177e4SLinus Torvalds 24669e2b5372SMarkos Chandraschoice 24679e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24689e2b5372SMarkos Chandras 24699e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24709e2b5372SMarkos Chandras bool "None" 24719e2b5372SMarkos Chandras help 24729e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24739e2b5372SMarkos Chandras 24749693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24759693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24769e2b5372SMarkos Chandras bool "SmartMIPS" 24779693a853SFranck Bui-Huu help 24789693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24799693a853SFranck Bui-Huu increased security at both hardware and software level for 24809693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24819693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24829693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24839693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24849693a853SFranck Bui-Huu here. 24859693a853SFranck Bui-Huu 2486bce86083SSteven J. Hillconfig CPU_MICROMIPS 24877fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24889e2b5372SMarkos Chandras bool "microMIPS" 2489bce86083SSteven J. Hill help 2490bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2491bce86083SSteven J. Hill microMIPS ISA 2492bce86083SSteven J. Hill 24939e2b5372SMarkos Chandrasendchoice 24949e2b5372SMarkos Chandras 2495a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24960ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2497a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2498c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24992a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2500a5e9a69eSPaul Burton help 2501a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2502a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25031db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25041db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25051db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25061db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25071db1af84SPaul Burton the size & complexity of your kernel. 2508a5e9a69eSPaul Burton 2509a5e9a69eSPaul Burton If unsure, say Y. 2510a5e9a69eSPaul Burton 25111da177e4SLinus Torvaldsconfig CPU_HAS_WB 2512f7062ddbSRalf Baechle bool 2513e01402b1SRalf Baechle 2514df0ac8a4SKevin Cernekeeconfig XKS01 2515df0ac8a4SKevin Cernekee bool 2516df0ac8a4SKevin Cernekee 25178256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25188256b17eSFlorian Fainelli bool 25198256b17eSFlorian Fainelli 2520932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2521932afdeeSYasha Cherikovsky bool 2522932afdeeSYasha Cherikovsky help 2523932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2524932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2525932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2526932afdeeSYasha Cherikovsky 2527f41ae0b2SRalf Baechle# 2528f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2529f41ae0b2SRalf Baechle# 2530e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2531f41ae0b2SRalf Baechle bool 2532e01402b1SRalf Baechle 2533f41ae0b2SRalf Baechle# 2534f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2535f41ae0b2SRalf Baechle# 2536e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2537f41ae0b2SRalf Baechle bool 2538e01402b1SRalf Baechle 25391da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25401da177e4SLinus Torvalds bool 25411da177e4SLinus Torvalds depends on !CPU_R3000 25421da177e4SLinus Torvalds default y 25431da177e4SLinus Torvalds 25441da177e4SLinus Torvalds# 254520d60d99SMaciej W. Rozycki# CPU non-features 254620d60d99SMaciej W. Rozycki# 254720d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 254820d60d99SMaciej W. Rozycki bool 254920d60d99SMaciej W. Rozycki 255020d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 255120d60d99SMaciej W. Rozycki bool 255220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 255320d60d99SMaciej W. Rozycki 255420d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 255520d60d99SMaciej W. Rozycki bool 255620d60d99SMaciej W. Rozycki 2557071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2558071d2f0bSPaul Burton bool 2559071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2560071d2f0bSPaul Burton 25614edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25624edf00a4SPaul Burton int 25634edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25644edf00a4SPaul Burton default 0 25654edf00a4SPaul Burton 25664edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25674edf00a4SPaul Burton int 25682db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25694edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25704edf00a4SPaul Burton default 8 25714edf00a4SPaul Burton 25722db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25732db003a5SPaul Burton bool 25742db003a5SPaul Burton 25754a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25764a5dc51eSMarcin Nowakowski bool 25774a5dc51eSMarcin Nowakowski 257820d60d99SMaciej W. Rozycki# 25791da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25801da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25811da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25821da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25831da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25841da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25851da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25861da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2587797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2588797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2589797798c1SRalf Baechle# support. 25901da177e4SLinus Torvalds# 25911da177e4SLinus Torvaldsconfig HIGHMEM 25921da177e4SLinus Torvalds bool "High Memory Support" 2593a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2594797798c1SRalf Baechle 2595797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2596797798c1SRalf Baechle bool 2597797798c1SRalf Baechle 2598797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2599797798c1SRalf Baechle bool 26001da177e4SLinus Torvalds 26019693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26029693a853SFranck Bui-Huu bool 26039693a853SFranck Bui-Huu 2604a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2605a6a4834cSSteven J. Hill bool 2606a6a4834cSSteven J. Hill 2607377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2608377cb1b6SRalf Baechle bool 2609377cb1b6SRalf Baechle help 2610377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2611377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2612377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2613377cb1b6SRalf Baechle 2614a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2615a5e9a69eSPaul Burton bool 2616a5e9a69eSPaul Burton 2617b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2618b4819b59SYoichi Yuasa def_bool y 2619f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2620b4819b59SYoichi Yuasa 2621b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2622b1c6cd42SAtsushi Nemoto bool 2623397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 262431473747SAtsushi Nemoto 2625d8cb4e11SRalf Baechleconfig NUMA 2626d8cb4e11SRalf Baechle bool "NUMA Support" 2627d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2628d8cb4e11SRalf Baechle help 2629d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2630d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2631d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2632d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2633d8cb4e11SRalf Baechle disabled. 2634d8cb4e11SRalf Baechle 2635d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2636d8cb4e11SRalf Baechle bool 2637d8cb4e11SRalf Baechle 26388c530ea3SMatt Redfearnconfig RELOCATABLE 26398c530ea3SMatt Redfearn bool "Relocatable kernel" 26403ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26418c530ea3SMatt Redfearn help 26428c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26438c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26448c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26458c530ea3SMatt Redfearn but are discarded at runtime 26468c530ea3SMatt Redfearn 2647069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2648069fd766SMatt Redfearn hex "Relocation table size" 2649069fd766SMatt Redfearn depends on RELOCATABLE 2650069fd766SMatt Redfearn range 0x0 0x01000000 2651069fd766SMatt Redfearn default "0x00100000" 2652069fd766SMatt Redfearn ---help--- 2653069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2654069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2655069fd766SMatt Redfearn 2656069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2657069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2658069fd766SMatt Redfearn 2659069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2660069fd766SMatt Redfearn 2661069fd766SMatt Redfearn If unsure, leave at the default value. 2662069fd766SMatt Redfearn 2663405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2664405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2665405bc8fdSMatt Redfearn depends on RELOCATABLE 2666405bc8fdSMatt Redfearn ---help--- 2667405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2668405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2669405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2670405bc8fdSMatt Redfearn of kernel internals. 2671405bc8fdSMatt Redfearn 2672405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2673405bc8fdSMatt Redfearn 2674405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2675405bc8fdSMatt Redfearn 2676405bc8fdSMatt Redfearn If unsure, say N. 2677405bc8fdSMatt Redfearn 2678405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2679405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2680405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2681405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2682405bc8fdSMatt Redfearn range 0x0 0x08000000 2683405bc8fdSMatt Redfearn default "0x01000000" 2684405bc8fdSMatt Redfearn ---help--- 2685405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2686405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2687405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2688405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2689405bc8fdSMatt Redfearn 2690405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2691405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2692405bc8fdSMatt Redfearn 2693c80d79d7SYasunori Gotoconfig NODES_SHIFT 2694c80d79d7SYasunori Goto int 2695c80d79d7SYasunori Goto default "6" 2696c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2697c80d79d7SYasunori Goto 269814f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 269914f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 270023021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 270114f70012SDeng-Cheng Zhu default y 270214f70012SDeng-Cheng Zhu help 270314f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 270414f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 270514f70012SDeng-Cheng Zhu 27061da177e4SLinus Torvaldsconfig SMP 27071da177e4SLinus Torvalds bool "Multi-Processing support" 2708e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2709e73ea273SRalf Baechle help 27101da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27114a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27124a474157SRobert Graffham than one CPU, say Y. 27131da177e4SLinus Torvalds 27144a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27151da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27161da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27174a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27181da177e4SLinus Torvalds will run faster if you say N here. 27191da177e4SLinus Torvalds 27201da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27211da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27221da177e4SLinus Torvalds 272303502faaSAdrian Bunk See also the SMP-HOWTO available at 272403502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27251da177e4SLinus Torvalds 27261da177e4SLinus Torvalds If you don't know what to do here, say N. 27271da177e4SLinus Torvalds 27287840d618SMatt Redfearnconfig HOTPLUG_CPU 27297840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27307840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27317840d618SMatt Redfearn help 27327840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27337840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27347840d618SMatt Redfearn (Note: power management support will enable this option 27357840d618SMatt Redfearn automatically on SMP systems. ) 27367840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27377840d618SMatt Redfearn 273887353d8aSRalf Baechleconfig SMP_UP 273987353d8aSRalf Baechle bool 274087353d8aSRalf Baechle 27414a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27424a16ff4cSRalf Baechle bool 27434a16ff4cSRalf Baechle 27440ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27450ee958e1SPaul Burton bool 27460ee958e1SPaul Burton 2747e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2748e73ea273SRalf Baechle bool 2749e73ea273SRalf Baechle 2750130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2751130e2fb7SRalf Baechle bool 2752130e2fb7SRalf Baechle 2753130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2754130e2fb7SRalf Baechle bool 2755130e2fb7SRalf Baechle 2756130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2757130e2fb7SRalf Baechle bool 2758130e2fb7SRalf Baechle 2759130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2760130e2fb7SRalf Baechle bool 2761130e2fb7SRalf Baechle 2762130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2763130e2fb7SRalf Baechle bool 2764130e2fb7SRalf Baechle 27651da177e4SLinus Torvaldsconfig NR_CPUS 2766a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2767a91796a9SJayachandran C range 2 256 27681da177e4SLinus Torvalds depends on SMP 2769130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2770130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2771130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2772130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2773130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27741da177e4SLinus Torvalds help 27751da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27761da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27771da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 277872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 277972ede9b1SAtsushi Nemoto and 2 for all others. 27801da177e4SLinus Torvalds 27811da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 278272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 278372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 278472ede9b1SAtsushi Nemoto power of two. 27851da177e4SLinus Torvalds 2786399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2787399aaa25SAl Cooper bool 2788399aaa25SAl Cooper 27897820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27907820b84bSDavid Daney bool 27917820b84bSDavid Daney 27927820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27937820b84bSDavid Daney int 27947820b84bSDavid Daney depends on SMP 27957820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27967820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27977820b84bSDavid Daney 27981723b4a3SAtsushi Nemoto# 27991723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28001723b4a3SAtsushi Nemoto# 28011723b4a3SAtsushi Nemoto 28021723b4a3SAtsushi Nemotochoice 28031723b4a3SAtsushi Nemoto prompt "Timer frequency" 28041723b4a3SAtsushi Nemoto default HZ_250 28051723b4a3SAtsushi Nemoto help 28061723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28071723b4a3SAtsushi Nemoto 280867596573SPaul Burton config HZ_24 280967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 281067596573SPaul Burton 28111723b4a3SAtsushi Nemoto config HZ_48 28120f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28131723b4a3SAtsushi Nemoto 28141723b4a3SAtsushi Nemoto config HZ_100 28151723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28161723b4a3SAtsushi Nemoto 28171723b4a3SAtsushi Nemoto config HZ_128 28181723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28191723b4a3SAtsushi Nemoto 28201723b4a3SAtsushi Nemoto config HZ_250 28211723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28221723b4a3SAtsushi Nemoto 28231723b4a3SAtsushi Nemoto config HZ_256 28241723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28251723b4a3SAtsushi Nemoto 28261723b4a3SAtsushi Nemoto config HZ_1000 28271723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28281723b4a3SAtsushi Nemoto 28291723b4a3SAtsushi Nemoto config HZ_1024 28301723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28311723b4a3SAtsushi Nemoto 28321723b4a3SAtsushi Nemotoendchoice 28331723b4a3SAtsushi Nemoto 283467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 283567596573SPaul Burton bool 283667596573SPaul Burton 28371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28381723b4a3SAtsushi Nemoto bool 28391723b4a3SAtsushi Nemoto 28401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28411723b4a3SAtsushi Nemoto bool 28421723b4a3SAtsushi Nemoto 28431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28441723b4a3SAtsushi Nemoto bool 28451723b4a3SAtsushi Nemoto 28461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28471723b4a3SAtsushi Nemoto bool 28481723b4a3SAtsushi Nemoto 28491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28501723b4a3SAtsushi Nemoto bool 28511723b4a3SAtsushi Nemoto 28521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28531723b4a3SAtsushi Nemoto bool 28541723b4a3SAtsushi Nemoto 28551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28561723b4a3SAtsushi Nemoto bool 28571723b4a3SAtsushi Nemoto 28581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28591723b4a3SAtsushi Nemoto bool 286067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 286167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 286267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 286367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 286467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 286567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 286667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28671723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28681723b4a3SAtsushi Nemoto 28691723b4a3SAtsushi Nemotoconfig HZ 28701723b4a3SAtsushi Nemoto int 287167596573SPaul Burton default 24 if HZ_24 28721723b4a3SAtsushi Nemoto default 48 if HZ_48 28731723b4a3SAtsushi Nemoto default 100 if HZ_100 28741723b4a3SAtsushi Nemoto default 128 if HZ_128 28751723b4a3SAtsushi Nemoto default 250 if HZ_250 28761723b4a3SAtsushi Nemoto default 256 if HZ_256 28771723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28781723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28791723b4a3SAtsushi Nemoto 288096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 288196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 288296685b17SDeng-Cheng Zhu 2883ea6e942bSAtsushi Nemotoconfig KEXEC 28847d60717eSKees Cook bool "Kexec system call" 28852965faa5SDave Young select KEXEC_CORE 2886ea6e942bSAtsushi Nemoto help 2887ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2888ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28893dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2890ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2891ea6e942bSAtsushi Nemoto 289201dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2893ea6e942bSAtsushi Nemoto 2894ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2895ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2896bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2897bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2898bf220695SGeert Uytterhoeven made. 2899ea6e942bSAtsushi Nemoto 29007aa1c8f4SRalf Baechleconfig CRASH_DUMP 29017aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29027aa1c8f4SRalf Baechle help 29037aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29047aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29057aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29067aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29077aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29087aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29097aa1c8f4SRalf Baechle PHYSICAL_START. 29107aa1c8f4SRalf Baechle 29117aa1c8f4SRalf Baechleconfig PHYSICAL_START 29127aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29138bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29147aa1c8f4SRalf Baechle depends on CRASH_DUMP 29157aa1c8f4SRalf Baechle help 29167aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29177aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29187aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29197aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29207aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29217aa1c8f4SRalf Baechle 2922ea6e942bSAtsushi Nemotoconfig SECCOMP 2923ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2924293c5bd1SRalf Baechle depends on PROC_FS 2925ea6e942bSAtsushi Nemoto default y 2926ea6e942bSAtsushi Nemoto help 2927ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2928ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2929ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2930ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2931ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2932ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2933ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2934ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2935ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2936ea6e942bSAtsushi Nemoto 2937ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2938ea6e942bSAtsushi Nemoto 2939597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2940b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2941597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2942597ce172SPaul Burton help 2943597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2944597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2945597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2946597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2947597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2948597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2949597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2950597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2951597ce172SPaul Burton saying N here. 2952597ce172SPaul Burton 295306e2e882SPaul Burton Although binutils currently supports use of this flag the details 295406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 295506e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 295606e2e882SPaul Burton behaviour before the details have been finalised, this option should 295706e2e882SPaul Burton be considered experimental and only enabled by those working upon 295806e2e882SPaul Burton said details. 295906e2e882SPaul Burton 296006e2e882SPaul Burton If unsure, say N. 2961597ce172SPaul Burton 2962f2ffa5abSDezhong Diaoconfig USE_OF 29630b3e06fdSJonas Gorski bool 2964f2ffa5abSDezhong Diao select OF 2965e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2966abd2363fSGrant Likely select IRQ_DOMAIN 2967f2ffa5abSDezhong Diao 29682fe8ea39SDengcheng Zhuconfig UHI_BOOT 29692fe8ea39SDengcheng Zhu bool 29702fe8ea39SDengcheng Zhu 29717fafb068SAndrew Brestickerconfig BUILTIN_DTB 29727fafb068SAndrew Bresticker bool 29737fafb068SAndrew Bresticker 29741da8f179SJonas Gorskichoice 29755b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29761da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29771da8f179SJonas Gorski 29781da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29791da8f179SJonas Gorski bool "None" 29801da8f179SJonas Gorski help 29811da8f179SJonas Gorski Do not enable appended dtb support. 29821da8f179SJonas Gorski 298387db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 298487db537dSAaro Koskinen bool "vmlinux" 298587db537dSAaro Koskinen help 298687db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 298787db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 298887db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 298987db537dSAaro Koskinen objcopy: 299087db537dSAaro Koskinen 299187db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 299287db537dSAaro Koskinen 299387db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 299487db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 299587db537dSAaro Koskinen the documented boot protocol using a device tree. 299687db537dSAaro Koskinen 29971da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2998b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29991da8f179SJonas Gorski help 30001da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3001b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30021da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30031da8f179SJonas Gorski 30041da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30051da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30061da8f179SJonas Gorski the documented boot protocol using a device tree. 30071da8f179SJonas Gorski 30081da8f179SJonas Gorski Beware that there is very little in terms of protection against 30091da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30101da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30111da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30121da8f179SJonas Gorski if you don't intend to always append a DTB. 30131da8f179SJonas Gorskiendchoice 30141da8f179SJonas Gorski 30152024972eSJonas Gorskichoice 30162024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30172bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30183f5f0a44SPaul Burton !MIPS_MALTA && \ 30192bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30202024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30212024972eSJonas Gorski 30222024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30232024972eSJonas Gorski depends on USE_OF 30242024972eSJonas Gorski bool "Dtb kernel arguments if available" 30252024972eSJonas Gorski 30262024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30272024972eSJonas Gorski depends on USE_OF 30282024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30292024972eSJonas Gorski 30302024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30312024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3032ed47e153SRabin Vincent 3033ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3034ed47e153SRabin Vincent depends on CMDLINE_BOOL 3035ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30362024972eSJonas Gorskiendchoice 30372024972eSJonas Gorski 30385e83d430SRalf Baechleendmenu 30395e83d430SRalf Baechle 30401df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30411df0f0ffSAtsushi Nemoto bool 30421df0f0ffSAtsushi Nemoto default y 30431df0f0ffSAtsushi Nemoto 30441df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30451df0f0ffSAtsushi Nemoto bool 30461df0f0ffSAtsushi Nemoto default y 30471df0f0ffSAtsushi Nemoto 3048a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3049a728ab52SKirill A. Shutemov int 30503377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3051a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3052a728ab52SKirill A. Shutemov default 2 3053a728ab52SKirill A. Shutemov 30546c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30556c359eb1SPaul Burton bool 30566c359eb1SPaul Burton 30571da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30581da177e4SLinus Torvalds 3059c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30602eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3061c5611df9SPaul Burton bool 3062c5611df9SPaul Burton 3063c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3064c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3065c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30662eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30671da177e4SLinus Torvalds 30681da177e4SLinus Torvalds# 30691da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30701da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30711da177e4SLinus Torvalds# users to choose the right thing ... 30721da177e4SLinus Torvalds# 30731da177e4SLinus Torvaldsconfig ISA 30741da177e4SLinus Torvalds bool 30751da177e4SLinus Torvalds 30761da177e4SLinus Torvaldsconfig TC 30771da177e4SLinus Torvalds bool "TURBOchannel support" 30781da177e4SLinus Torvalds depends on MACH_DECSTATION 30791da177e4SLinus Torvalds help 308050a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 308150a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 308250a23e6eSJustin P. Mattock at: 308350a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 308450a23e6eSJustin P. Mattock and: 308550a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 308650a23e6eSJustin P. Mattock Linux driver support status is documented at: 308750a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30881da177e4SLinus Torvalds 30891da177e4SLinus Torvaldsconfig MMU 30901da177e4SLinus Torvalds bool 30911da177e4SLinus Torvalds default y 30921da177e4SLinus Torvalds 3093109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3094109c32ffSMatt Redfearn default 12 if 64BIT 3095109c32ffSMatt Redfearn default 8 3096109c32ffSMatt Redfearn 3097109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3098109c32ffSMatt Redfearn default 18 if 64BIT 3099109c32ffSMatt Redfearn default 15 3100109c32ffSMatt Redfearn 3101109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3102109c32ffSMatt Redfearn default 8 3103109c32ffSMatt Redfearn 3104109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3105109c32ffSMatt Redfearn default 15 3106109c32ffSMatt Redfearn 3107d865bea4SRalf Baechleconfig I8253 3108d865bea4SRalf Baechle bool 3109798778b8SRussell King select CLKSRC_I8253 31102d02612fSThomas Gleixner select CLKEVT_I8253 31119726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3112d865bea4SRalf Baechle 3113e05eb3f8SRalf Baechleconfig ZONE_DMA 3114e05eb3f8SRalf Baechle bool 3115e05eb3f8SRalf Baechle 3116cce335aeSRalf Baechleconfig ZONE_DMA32 3117cce335aeSRalf Baechle bool 3118cce335aeSRalf Baechle 31191da177e4SLinus Torvaldsendmenu 31201da177e4SLinus Torvalds 31211da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31221da177e4SLinus Torvalds bool 31231da177e4SLinus Torvalds 31241da177e4SLinus Torvaldsconfig MIPS32_COMPAT 312578aaf956SRalf Baechle bool 31261da177e4SLinus Torvalds 31271da177e4SLinus Torvaldsconfig COMPAT 31281da177e4SLinus Torvalds bool 31291da177e4SLinus Torvalds 313005e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 313105e43966SAtsushi Nemoto bool 313205e43966SAtsushi Nemoto 31331da177e4SLinus Torvaldsconfig MIPS32_O32 31341da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 313578aaf956SRalf Baechle depends on 64BIT 313678aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 313778aaf956SRalf Baechle select COMPAT 313878aaf956SRalf Baechle select MIPS32_COMPAT 313978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31401da177e4SLinus Torvalds help 31411da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31421da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31431da177e4SLinus Torvalds existing binaries are in this format. 31441da177e4SLinus Torvalds 31451da177e4SLinus Torvalds If unsure, say Y. 31461da177e4SLinus Torvalds 31471da177e4SLinus Torvaldsconfig MIPS32_N32 31481da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3149c22eacfeSRalf Baechle depends on 64BIT 31505a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 315178aaf956SRalf Baechle select COMPAT 315278aaf956SRalf Baechle select MIPS32_COMPAT 315378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31541da177e4SLinus Torvalds help 31551da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31561da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31571da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31581da177e4SLinus Torvalds cases. 31591da177e4SLinus Torvalds 31601da177e4SLinus Torvalds If unsure, say N. 31611da177e4SLinus Torvalds 31621da177e4SLinus Torvaldsconfig BINFMT_ELF32 31631da177e4SLinus Torvalds bool 31641da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3165f43edca7SRalf Baechle select ELFCORE 31661da177e4SLinus Torvalds 31672116245eSRalf Baechlemenu "Power management options" 3168952fa954SRodolfo Giometti 3169363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3170363c55caSWu Zhangjin def_bool y 31713f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3172363c55caSWu Zhangjin 3173f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3174f4cb5700SJohannes Berg def_bool y 31753f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3176f4cb5700SJohannes Berg 31772116245eSRalf Baechlesource "kernel/power/Kconfig" 3178952fa954SRodolfo Giometti 31791da177e4SLinus Torvaldsendmenu 31801da177e4SLinus Torvalds 31817a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31827a998935SViresh Kumar bool 31837a998935SViresh Kumar 31847a998935SViresh Kumarmenu "CPU Power Management" 3185c095ebafSPaul Burton 3186c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31877a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31887a998935SViresh Kumarendif 31899726b43aSWu Zhangjin 3190c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3191c095ebafSPaul Burton 3192c095ebafSPaul Burtonendmenu 3193c095ebafSPaul Burton 319498cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 319598cdee0eSRalf Baechle 31962235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3197