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 10*a2ecb233SDmitry 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" 363a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3647a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3650e2794b0SRalf Baechle select FW_ARC 3660e2794b0SRalf Baechle select FW_ARC32 3675e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 36842f77542SRalf Baechle select CEVT_R4K 369940f6b48SRalf Baechle select CSRC_R4K 370e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3715e83d430SRalf Baechle select GENERIC_ISA_DMA 3728a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37367e38cf2SRalf Baechle select IRQ_MIPS_CPU 374d865bea4SRalf Baechle select I8253 3755e83d430SRalf Baechle select I8259 3765e83d430SRalf Baechle select ISA 3777cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3785e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3797d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3801723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3811da177e4SLinus Torvalds help 3825e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3835e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 384692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3855e83d430SRalf Baechle Olivetti M700-10 workstations. 3865e83d430SRalf Baechle 387de361e8bSPaul Burtonconfig MACH_INGENIC 388de361e8bSPaul Burton bool "Ingenic SoC based machines" 3895ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3905ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 391f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 392b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3935ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39467e38cf2SRalf Baechle select IRQ_MIPS_CPU 39537b4c3caSPaul Cercueil select PINCTRL 396d30a2b47SLinus Walleij select GPIOLIB 397ff1930c6SPaul Burton select COMMON_CLK 39883bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 39915205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 400ffb1843dSPaul Burton select USE_OF 4016ec127fbSPaul Burton select LIBFDT 4025ebabe59SLars-Peter Clausen 403171bb2f1SJohn Crispinconfig LANTIQ 404171bb2f1SJohn Crispin bool "Lantiq based platforms" 405171bb2f1SJohn Crispin select DMA_NONCOHERENT 40667e38cf2SRalf Baechle select IRQ_MIPS_CPU 407171bb2f1SJohn Crispin select CEVT_R4K 408171bb2f1SJohn Crispin select CSRC_R4K 409171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 410171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 411171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 412171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 413377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 414171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 415f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 416171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 417d30a2b47SLinus Walleij select GPIOLIB 418171bb2f1SJohn Crispin select SWAP_IO_SPACE 419171bb2f1SJohn Crispin select BOOT_RAW 420287e3f3fSJohn Crispin select CLKDEV_LOOKUP 421a0392222SJohn Crispin select USE_OF 4223f8c50c9SJohn Crispin select PINCTRL 4233f8c50c9SJohn Crispin select PINCTRL_LANTIQ 424c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 425c530781cSJohn Crispin select RESET_CONTROLLER 426171bb2f1SJohn Crispin 4271f21d2bdSBrian Murphyconfig LASAT 4281f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42942f77542SRalf Baechle select CEVT_R4K 43016f0bbbcSRalf Baechle select CRC32 431940f6b48SRalf Baechle select CSRC_R4K 4321f21d2bdSBrian Murphy select DMA_NONCOHERENT 4331f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 434eb01d42aSChristoph Hellwig select HAVE_PCI 43567e38cf2SRalf Baechle select IRQ_MIPS_CPU 4361f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4371f21d2bdSBrian Murphy select MIPS_NILE4 4381f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4391f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4401f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4411f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4421f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4431f21d2bdSBrian Murphy 44430ad29bbSHuacai Chenconfig MACH_LOONGSON32 44530ad29bbSHuacai Chen bool "Loongson-1 family of machines" 446c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 447ade299d8SYoichi Yuasa help 44830ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44985749d24SWu Zhangjin 45030ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45130ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45230ad29bbSHuacai Chen Sciences (CAS). 453ade299d8SYoichi Yuasa 45430ad29bbSHuacai Chenconfig MACH_LOONGSON64 45530ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 456ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 457ca585cf9SKelvin Cheung help 45830ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 459ca585cf9SKelvin Cheung 46030ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 46130ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 46230ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 46330ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 46430ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 46530ad29bbSHuacai Chen Weiwu Hu. 466ca585cf9SKelvin Cheung 4676a438309SAndrew Brestickerconfig MACH_PISTACHIO 4686a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4696a438309SAndrew Bresticker select BOOT_ELF32 4706a438309SAndrew Bresticker select BOOT_RAW 4716a438309SAndrew Bresticker select CEVT_R4K 4726a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4736a438309SAndrew Bresticker select COMMON_CLK 4746a438309SAndrew Bresticker select CSRC_R4K 475645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 476d30a2b47SLinus Walleij select GPIOLIB 47767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4786a438309SAndrew Bresticker select LIBFDT 4796a438309SAndrew Bresticker select MFD_SYSCON 4806a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4816a438309SAndrew Bresticker select MIPS_GIC 4826a438309SAndrew Bresticker select PINCTRL 4836a438309SAndrew Bresticker select REGULATOR 4846a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4856a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4866a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4876a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4886a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48941cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4906a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 491018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 492018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4936a438309SAndrew Bresticker select USE_OF 4946a438309SAndrew Bresticker help 4956a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4966a438309SAndrew Bresticker 4971da177e4SLinus Torvaldsconfig MIPS_MALTA 4983fa986faSMartin Michlmayr bool "MIPS Malta board" 49961ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 500a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5017a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5021da177e4SLinus Torvalds select BOOT_ELF32 503fa71c960SRalf Baechle select BOOT_RAW 504e8823d26SPaul Burton select BUILTIN_DTB 50542f77542SRalf Baechle select CEVT_R4K 506fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50742b002abSGuenter Roeck select COMMON_CLK 50847bf2b03SMaksym Kokhan select CSRC_R4K 509885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5101da177e4SLinus Torvalds select GENERIC_ISA_DMA 5118a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 512eb01d42aSChristoph Hellwig select HAVE_PCI 513d865bea4SRalf Baechle select I8253 5141da177e4SLinus Torvalds select I8259 51547bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 51647bf2b03SMaksym Kokhan select LIBFDT 5175e83d430SRalf Baechle select MIPS_BONITO64 5189318c51aSChris Dearman select MIPS_CPU_SCACHE 51947bf2b03SMaksym Kokhan select MIPS_GIC 520a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5215e83d430SRalf Baechle select MIPS_MSC 52247bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 523ecafe3e9SPaul Burton select SMP_UP if SMP 5241da177e4SLinus Torvalds select SWAP_IO_SPACE 5257cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5267cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 527bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 528c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 529575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5307cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5315d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 532575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5337cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5347cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 535ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 536ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 538c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 540424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 54147bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5420365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 543e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 544f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 54547bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5469693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 547f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5481b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 549e8823d26SPaul Burton select USE_OF 550abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5511da177e4SLinus Torvalds help 552f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5531da177e4SLinus Torvalds board. 5541da177e4SLinus Torvalds 5552572f00dSJoshua Hendersonconfig MACH_PIC32 5562572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5572572f00dSJoshua Henderson help 5582572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5592572f00dSJoshua Henderson 5602572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5612572f00dSJoshua Henderson microcontrollers. 5622572f00dSJoshua Henderson 563a83860c2SRalf Baechleconfig NEC_MARKEINS 564a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 565a83860c2SRalf Baechle select SOC_EMMA2RH 566eb01d42aSChristoph Hellwig select HAVE_PCI 567a83860c2SRalf Baechle help 568a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 569ade299d8SYoichi Yuasa 5705e83d430SRalf Baechleconfig MACH_VR41XX 57174142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 57242f77542SRalf Baechle select CEVT_R4K 573940f6b48SRalf Baechle select CSRC_R4K 5747cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 575377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 576d30a2b47SLinus Walleij select GPIOLIB 5775e83d430SRalf Baechle 578edb6310aSDaniel Lairdconfig NXP_STB220 579edb6310aSDaniel Laird bool "NXP STB220 board" 580edb6310aSDaniel Laird select SOC_PNX833X 581edb6310aSDaniel Laird help 582edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 583edb6310aSDaniel Laird 584edb6310aSDaniel Lairdconfig NXP_STB225 585edb6310aSDaniel Laird bool "NXP 225 board" 586edb6310aSDaniel Laird select SOC_PNX833X 587edb6310aSDaniel Laird select SOC_PNX8335 588edb6310aSDaniel Laird help 589edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 590edb6310aSDaniel Laird 5919267a30dSMarc St-Jeanconfig PMC_MSP 5929267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 59339d30c13SAnoop P A select CEVT_R4K 59439d30c13SAnoop P A select CSRC_R4K 5959267a30dSMarc St-Jean select DMA_NONCOHERENT 5969267a30dSMarc St-Jean select SWAP_IO_SPACE 5979267a30dSMarc St-Jean select NO_EXCEPT_FILL 5989267a30dSMarc St-Jean select BOOT_RAW 5999267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 6009267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6019267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6029267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 603377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 60467e38cf2SRalf Baechle select IRQ_MIPS_CPU 6059267a30dSMarc St-Jean select SERIAL_8250 6069267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6079296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6089296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6099267a30dSMarc St-Jean help 6109267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6119267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6129267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6139267a30dSMarc St-Jean a variety of MIPS cores. 6149267a30dSMarc St-Jean 615ae2b5bb6SJohn Crispinconfig RALINK 616ae2b5bb6SJohn Crispin bool "Ralink based machines" 617ae2b5bb6SJohn Crispin select CEVT_R4K 618ae2b5bb6SJohn Crispin select CSRC_R4K 619ae2b5bb6SJohn Crispin select BOOT_RAW 620ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 62167e38cf2SRalf Baechle select IRQ_MIPS_CPU 622ae2b5bb6SJohn Crispin select USE_OF 623ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 624ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 625ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 626ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 627377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 628ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 629ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6302a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6312a153f1cSJohn Crispin select RESET_CONTROLLER 632ae2b5bb6SJohn Crispin 6331da177e4SLinus Torvaldsconfig SGI_IP22 6343fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6350e2794b0SRalf Baechle select FW_ARC 6360e2794b0SRalf Baechle select FW_ARC32 6377a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6381da177e4SLinus Torvalds select BOOT_ELF32 63942f77542SRalf Baechle select CEVT_R4K 640940f6b48SRalf Baechle select CSRC_R4K 641e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6421da177e4SLinus Torvalds select DMA_NONCOHERENT 6436630a8e5SChristoph Hellwig select HAVE_EISA 644d865bea4SRalf Baechle select I8253 64568de4803SThomas Bogendoerfer select I8259 6461da177e4SLinus Torvalds select IP22_CPU_SCACHE 64767e38cf2SRalf Baechle select IRQ_MIPS_CPU 648aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 649e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 650e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 65136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 652e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 653e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 654e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6551da177e4SLinus Torvalds select SWAP_IO_SPACE 6567cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6577cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6582b5e63f6SMartin Michlmayr # 6592b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6602b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6612b5e63f6SMartin Michlmayr # 6622b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6632b5e63f6SMartin Michlmayr # for a more details discussion 6642b5e63f6SMartin Michlmayr # 6652b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 666ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 667ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6685e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 669930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6701da177e4SLinus Torvalds help 6711da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6721da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6731da177e4SLinus Torvalds that runs on these, say Y here. 6741da177e4SLinus Torvalds 6751da177e4SLinus Torvaldsconfig SGI_IP27 6763fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67754aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 678397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6790e2794b0SRalf Baechle select FW_ARC 6800e2794b0SRalf Baechle select FW_ARC64 6815e83d430SRalf Baechle select BOOT_ELF64 682e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 68336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 684eb01d42aSChristoph Hellwig select HAVE_PCI 68569a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 686e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 687130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 688a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 689a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 6907cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 691ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6925e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 693d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6941a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 695930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6961da177e4SLinus Torvalds help 6971da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6981da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6991da177e4SLinus Torvalds here. 7001da177e4SLinus Torvalds 701e2defae5SThomas Bogendoerferconfig SGI_IP28 7027d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 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 7242b5e63f6SMartin Michlmayr # 7252b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7262b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7272b5e63f6SMartin Michlmayr # 7282b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7292b5e63f6SMartin Michlmayr # for a more details discussion 7302b5e63f6SMartin Michlmayr # 7312b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 732e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 733e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 734dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 735e2defae5SThomas Bogendoerfer help 736e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 737e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 738e2defae5SThomas Bogendoerfer 7391da177e4SLinus Torvaldsconfig SGI_IP32 740cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 74103df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7420e2794b0SRalf Baechle select FW_ARC 7430e2794b0SRalf Baechle select FW_ARC32 7441da177e4SLinus Torvalds select BOOT_ELF32 74542f77542SRalf Baechle select CEVT_R4K 746940f6b48SRalf Baechle select CSRC_R4K 7471da177e4SLinus Torvalds select DMA_NONCOHERENT 748eb01d42aSChristoph Hellwig select HAVE_PCI 74967e38cf2SRalf Baechle select IRQ_MIPS_CPU 7501da177e4SLinus Torvalds select R5000_CPU_SCACHE 7511da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7527cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7537cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7547cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 755dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 756ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7575e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7581da177e4SLinus Torvalds help 7591da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7601da177e4SLinus Torvalds 761ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 762ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7635e83d430SRalf Baechle select BOOT_ELF32 7645e83d430SRalf Baechle select SIBYTE_BCM1120 7655e83d430SRalf Baechle select SWAP_IO_SPACE 7667cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7675e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7685e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7695e83d430SRalf Baechle 770ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 771ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7725e83d430SRalf Baechle select BOOT_ELF32 7735e83d430SRalf Baechle select SIBYTE_BCM1120 7745e83d430SRalf Baechle select SWAP_IO_SPACE 7757cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7765e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7785e83d430SRalf Baechle 7795e83d430SRalf Baechleconfig SIBYTE_CRHONE 7803fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7815e83d430SRalf Baechle select BOOT_ELF32 7825e83d430SRalf Baechle select SIBYTE_BCM1125 7835e83d430SRalf Baechle select SWAP_IO_SPACE 7847cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7855e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7865e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7875e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7885e83d430SRalf Baechle 789ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 790ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 791ade299d8SYoichi Yuasa select BOOT_ELF32 792ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 793ade299d8SYoichi Yuasa select SWAP_IO_SPACE 794ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 795ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 796ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 797ade299d8SYoichi Yuasa 798ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 799ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 800ade299d8SYoichi Yuasa select BOOT_ELF32 801fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 802ade299d8SYoichi Yuasa select SIBYTE_SB1250 803ade299d8SYoichi Yuasa select SWAP_IO_SPACE 804ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 805ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 806ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 808cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 809e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 810ade299d8SYoichi Yuasa 811ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 812ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 813ade299d8SYoichi Yuasa select BOOT_ELF32 814fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 815ade299d8SYoichi Yuasa select SIBYTE_SB1250 816ade299d8SYoichi Yuasa select SWAP_IO_SPACE 817ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 818ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 819ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 820ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 821756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 822ade299d8SYoichi Yuasa 823ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 824ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 825ade299d8SYoichi Yuasa select BOOT_ELF32 826ade299d8SYoichi Yuasa select SIBYTE_SB1250 827ade299d8SYoichi Yuasa select SWAP_IO_SPACE 828ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 829ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 830ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 831e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 832ade299d8SYoichi Yuasa 833ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 834ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 835ade299d8SYoichi Yuasa select BOOT_ELF32 836ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 837ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 838ade299d8SYoichi Yuasa select SWAP_IO_SPACE 839ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 840ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 841651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 842ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 843cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 844e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 845ade299d8SYoichi Yuasa 84614b36af4SThomas Bogendoerferconfig SNI_RM 84714b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8480e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8490e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 850aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8515e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 852a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8537a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8545e83d430SRalf Baechle select BOOT_ELF32 85542f77542SRalf Baechle select CEVT_R4K 856940f6b48SRalf Baechle select CSRC_R4K 857e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8585e83d430SRalf Baechle select DMA_NONCOHERENT 8595e83d430SRalf Baechle select GENERIC_ISA_DMA 8606630a8e5SChristoph Hellwig select HAVE_EISA 8618a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 862eb01d42aSChristoph Hellwig select HAVE_PCI 86367e38cf2SRalf Baechle select IRQ_MIPS_CPU 864d865bea4SRalf Baechle select I8253 8655e83d430SRalf Baechle select I8259 8665e83d430SRalf Baechle select ISA 8674a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8687cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8694a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 870c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8714a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 87236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 873ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8747d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8754a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8765e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8775e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8781da177e4SLinus Torvalds help 87914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 88014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8815e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8825e83d430SRalf Baechle support this machine type. 8831da177e4SLinus Torvalds 884edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 885edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8865e83d430SRalf Baechle 887edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 888edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 88923fbee9dSRalf Baechle 89073b4390fSRalf Baechleconfig MIKROTIK_RB532 89173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 89273b4390fSRalf Baechle select CEVT_R4K 89373b4390fSRalf Baechle select CSRC_R4K 89473b4390fSRalf Baechle select DMA_NONCOHERENT 895eb01d42aSChristoph Hellwig select HAVE_PCI 89667e38cf2SRalf Baechle select IRQ_MIPS_CPU 89773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 89873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 89973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 90073b4390fSRalf Baechle select SWAP_IO_SPACE 90173b4390fSRalf Baechle select BOOT_RAW 902d30a2b47SLinus Walleij select GPIOLIB 903930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 90473b4390fSRalf Baechle help 90573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 90673b4390fSRalf Baechle based on the IDT RC32434 SoC. 90773b4390fSRalf Baechle 9089ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9099ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 910a86c7f72SDavid Daney select CEVT_R4K 911ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9121753d50cSChristoph Hellwig select HAVE_RAPIDIO 913d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 914a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 915a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 916f65aad41SRalf Baechle select EDAC_SUPPORT 917b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 91873569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 91973569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 920a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9215e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 922eb01d42aSChristoph Hellwig select HAVE_PCI 923f00e001eSDavid Daney select ZONE_DMA32 924465aaed0SDavid Daney select HOLES_IN_ZONE 925d30a2b47SLinus Walleij select GPIOLIB 9266e511163SDavid Daney select LIBFDT 9276e511163SDavid Daney select USE_OF 9286e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9296e511163SDavid Daney select SYS_SUPPORTS_SMP 9307820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9317820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 932e326479fSAndrew Bresticker select BUILTIN_DTB 9338c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 93409230cbcSChristoph Hellwig select SWIOTLB 9353ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 936a86c7f72SDavid Daney help 937a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 938a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 939a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 940a86c7f72SDavid Daney Some of the supported boards are: 941a86c7f72SDavid Daney EBT3000 942a86c7f72SDavid Daney EBH3000 943a86c7f72SDavid Daney EBH3100 944a86c7f72SDavid Daney Thunder 945a86c7f72SDavid Daney Kodama 946a86c7f72SDavid Daney Hikari 947a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 948a86c7f72SDavid Daney 9497f058e85SJayachandran Cconfig NLM_XLR_BOARD 9507f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9517f058e85SJayachandran C select BOOT_ELF32 9527f058e85SJayachandran C select NLM_COMMON 9537f058e85SJayachandran C select SYS_HAS_CPU_XLR 9547f058e85SJayachandran C select SYS_SUPPORTS_SMP 955eb01d42aSChristoph Hellwig select HAVE_PCI 9567f058e85SJayachandran C select SWAP_IO_SPACE 9577f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9587f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 959d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9607f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9617f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9627f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9637f058e85SJayachandran C select CEVT_R4K 9647f058e85SJayachandran C select CSRC_R4K 96567e38cf2SRalf Baechle select IRQ_MIPS_CPU 966b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9677f058e85SJayachandran C select SYNC_R4K 9687f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9698f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9708f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9717f058e85SJayachandran C help 9727f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9737f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9747f058e85SJayachandran C 9751c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9761c773ea4SJayachandran C bool "Netlogic XLP based systems" 9771c773ea4SJayachandran C select BOOT_ELF32 9781c773ea4SJayachandran C select NLM_COMMON 9791c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9801c773ea4SJayachandran C select SYS_SUPPORTS_SMP 981eb01d42aSChristoph Hellwig select HAVE_PCI 9821c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9831c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 984d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 985d30a2b47SLinus Walleij select GPIOLIB 9861c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9871c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9881c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9891c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9901c773ea4SJayachandran C select CEVT_R4K 9911c773ea4SJayachandran C select CSRC_R4K 99267e38cf2SRalf Baechle select IRQ_MIPS_CPU 993b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9941c773ea4SJayachandran C select SYNC_R4K 9951c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9962f6528e1SJayachandran C select USE_OF 9978f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9988f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9991c773ea4SJayachandran C help 10001c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10011c773ea4SJayachandran C Say Y here if you have a XLP based board. 10021c773ea4SJayachandran C 10039bc463beSDavid Daneyconfig MIPS_PARAVIRT 10049bc463beSDavid Daney bool "Para-Virtualized guest system" 10059bc463beSDavid Daney select CEVT_R4K 10069bc463beSDavid Daney select CSRC_R4K 10079bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10089bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10099bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10109bc463beSDavid Daney select SYS_SUPPORTS_SMP 10119bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10129bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10139bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10149bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10159bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1016eb01d42aSChristoph Hellwig select HAVE_PCI 10179bc463beSDavid Daney select SWAP_IO_SPACE 10189bc463beSDavid Daney help 10199bc463beSDavid Daney This option supports guest running under ???? 10209bc463beSDavid Daney 10211da177e4SLinus Torvaldsendchoice 10221da177e4SLinus Torvalds 1023e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10243b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1025d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1026a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1027e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10288945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1029eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10305e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10315ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10328ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10331f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10342572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1035af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10360f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1037ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 103829c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 103938b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 104022b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10415e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1042a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 104330ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 104430ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10457f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1046ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 104738b18f72SRalf Baechle 10485e83d430SRalf Baechleendmenu 10495e83d430SRalf Baechle 10503c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10513c9ee7efSAkinobu Mita bool 10523c9ee7efSAkinobu Mita default y 10533c9ee7efSAkinobu Mita 10541da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10551da177e4SLinus Torvalds bool 10561da177e4SLinus Torvalds default y 10571da177e4SLinus Torvalds 1058ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10591cc89038SAtsushi Nemoto bool 10601cc89038SAtsushi Nemoto default y 10611cc89038SAtsushi Nemoto 10621da177e4SLinus Torvalds# 10631da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10641da177e4SLinus Torvalds# 10650e2794b0SRalf Baechleconfig FW_ARC 10661da177e4SLinus Torvalds bool 10671da177e4SLinus Torvalds 106861ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106961ed242dSRalf Baechle bool 107061ed242dSRalf Baechle 10719267a30dSMarc St-Jeanconfig BOOT_RAW 10729267a30dSMarc St-Jean bool 10739267a30dSMarc St-Jean 1074217dd11eSRalf Baechleconfig CEVT_BCM1480 1075217dd11eSRalf Baechle bool 1076217dd11eSRalf Baechle 10776457d9fcSYoichi Yuasaconfig CEVT_DS1287 10786457d9fcSYoichi Yuasa bool 10796457d9fcSYoichi Yuasa 10801097c6acSYoichi Yuasaconfig CEVT_GT641XX 10811097c6acSYoichi Yuasa bool 10821097c6acSYoichi Yuasa 108342f77542SRalf Baechleconfig CEVT_R4K 108442f77542SRalf Baechle bool 108542f77542SRalf Baechle 1086217dd11eSRalf Baechleconfig CEVT_SB1250 1087217dd11eSRalf Baechle bool 1088217dd11eSRalf Baechle 1089229f773eSAtsushi Nemotoconfig CEVT_TXX9 1090229f773eSAtsushi Nemoto bool 1091229f773eSAtsushi Nemoto 1092217dd11eSRalf Baechleconfig CSRC_BCM1480 1093217dd11eSRalf Baechle bool 1094217dd11eSRalf Baechle 10954247417dSYoichi Yuasaconfig CSRC_IOASIC 10964247417dSYoichi Yuasa bool 10974247417dSYoichi Yuasa 1098940f6b48SRalf Baechleconfig CSRC_R4K 1099940f6b48SRalf Baechle bool 1100940f6b48SRalf Baechle 1101217dd11eSRalf Baechleconfig CSRC_SB1250 1102217dd11eSRalf Baechle bool 1103217dd11eSRalf Baechle 1104a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1105a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1106a7f4df4eSAlex Smith 1107a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1108d30a2b47SLinus Walleij select GPIOLIB 1109a9aec7feSAtsushi Nemoto bool 1110a9aec7feSAtsushi Nemoto 11110e2794b0SRalf Baechleconfig FW_CFE 1112df78b5c8SAurelien Jarno bool 1113df78b5c8SAurelien Jarno 111440e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111540e084a5SRalf Baechle bool 111640e084a5SRalf Baechle 1117885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1118f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1119885014bcSFelix Fietkau select DMA_NONCOHERENT 1120885014bcSFelix Fietkau bool 1121885014bcSFelix Fietkau 112220d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112320d33064SPaul Burton bool 1124347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11255748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112620d33064SPaul Burton 11271da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11281da177e4SLinus Torvalds bool 1129db91427bSChristoph Hellwig # 1130db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1131db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1132db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1133db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1134db91427bSChristoph Hellwig # significant advantages. 1135db91427bSChristoph Hellwig # 1136419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1137f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11382ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1139e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 114058b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1141f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11424ce588cdSRalf Baechle 114336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11441da177e4SLinus Torvalds bool 11451da177e4SLinus Torvalds 11461b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1147dbb74540SRalf Baechle bool 1148dbb74540SRalf Baechle 11491da177e4SLinus Torvaldsconfig MIPS_BONITO64 11501da177e4SLinus Torvalds bool 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvaldsconfig MIPS_MSC 11531da177e4SLinus Torvalds bool 11541da177e4SLinus Torvalds 11551f21d2bdSBrian Murphyconfig MIPS_NILE4 11561f21d2bdSBrian Murphy bool 11571f21d2bdSBrian Murphy 115839b8d525SRalf Baechleconfig SYNC_R4K 115939b8d525SRalf Baechle bool 116039b8d525SRalf Baechle 1161487d70d0SGabor Juhosconfig MIPS_MACHINE 1162487d70d0SGabor Juhos def_bool n 1163487d70d0SGabor Juhos 1164ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1165d388d685SMaciej W. Rozycki def_bool n 1166d388d685SMaciej W. Rozycki 11674e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11684e0748f5SMarkos Chandras bool 1169932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11704e0748f5SMarkos Chandras 11718313da30SRalf Baechleconfig GENERIC_ISA_DMA 11728313da30SRalf Baechle bool 11738313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1174a35bee8aSNamhyung Kim select ISA_DMA_API 11758313da30SRalf Baechle 1176aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1177aa414dffSRalf Baechle bool 11788313da30SRalf Baechle select GENERIC_ISA_DMA 1179aa414dffSRalf Baechle 1180a35bee8aSNamhyung Kimconfig ISA_DMA_API 1181a35bee8aSNamhyung Kim bool 1182a35bee8aSNamhyung Kim 1183465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1184465aaed0SDavid Daney bool 1185465aaed0SDavid Daney 11868c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11878c530ea3SMatt Redfearn bool 11888c530ea3SMatt Redfearn help 11898c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11908c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11918c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11928c530ea3SMatt Redfearn 1193f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1194f381bf6dSDavid Daney def_bool y 1195f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1196f381bf6dSDavid Daney 1197f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1198f381bf6dSDavid Daney def_bool y 1199f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1200f381bf6dSDavid Daney 1201f381bf6dSDavid Daney 12025e83d430SRalf Baechle# 12036b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12045e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12055e83d430SRalf Baechle# choice statement should be more obvious to the user. 12065e83d430SRalf Baechle# 12075e83d430SRalf Baechlechoice 12086b2aac42SMasanari Iida prompt "Endianness selection" 12091da177e4SLinus Torvalds help 12101da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12115e83d430SRalf Baechle byte order. These modes require different kernels and a different 12123cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12135e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12143dde6ad8SDavid Sterba one or the other endianness. 12155e83d430SRalf Baechle 12165e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12175e83d430SRalf Baechle bool "Big endian" 12185e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12195e83d430SRalf Baechle 12205e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12215e83d430SRalf Baechle bool "Little endian" 12225e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12235e83d430SRalf Baechle 12245e83d430SRalf Baechleendchoice 12255e83d430SRalf Baechle 122622b0763aSDavid Daneyconfig EXPORT_UASM 122722b0763aSDavid Daney bool 122822b0763aSDavid Daney 12292116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12302116245eSRalf Baechle bool 12312116245eSRalf Baechle 12325e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12335e83d430SRalf Baechle bool 12345e83d430SRalf Baechle 12355e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12365e83d430SRalf Baechle bool 12371da177e4SLinus Torvalds 12389cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12399cffd154SDavid Daney bool 124045e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12419cffd154SDavid Daney default y 12429cffd154SDavid Daney 1243aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1244aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1245aa1762f4SDavid Daney 12461da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12471da177e4SLinus Torvalds bool 12481da177e4SLinus Torvalds 12499267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12509267a30dSMarc St-Jean bool 12519267a30dSMarc St-Jean 12529267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12539267a30dSMarc St-Jean bool 12549267a30dSMarc St-Jean 12558420fd00SAtsushi Nemotoconfig IRQ_TXX9 12568420fd00SAtsushi Nemoto bool 12578420fd00SAtsushi Nemoto 1258d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1259d5ab1a69SYoichi Yuasa bool 1260d5ab1a69SYoichi Yuasa 1261252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12621da177e4SLinus Torvalds bool 12631da177e4SLinus Torvalds 1264a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1265a57140e9SThomas Bogendoerfer bool 1266a57140e9SThomas Bogendoerfer 12679267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12689267a30dSMarc St-Jean bool 12699267a30dSMarc St-Jean 1270a83860c2SRalf Baechleconfig SOC_EMMA2RH 1271a83860c2SRalf Baechle bool 1272a83860c2SRalf Baechle select CEVT_R4K 1273a83860c2SRalf Baechle select CSRC_R4K 1274a83860c2SRalf Baechle select DMA_NONCOHERENT 127567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1276a83860c2SRalf Baechle select SWAP_IO_SPACE 1277a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1278a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1279a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1280a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1281a83860c2SRalf Baechle 1282edb6310aSDaniel Lairdconfig SOC_PNX833X 1283edb6310aSDaniel Laird bool 1284edb6310aSDaniel Laird select CEVT_R4K 1285edb6310aSDaniel Laird select CSRC_R4K 128667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1287edb6310aSDaniel Laird select DMA_NONCOHERENT 1288edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1289edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1290edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1291edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1292377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1293edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1294edb6310aSDaniel Laird 1295edb6310aSDaniel Lairdconfig SOC_PNX8335 1296edb6310aSDaniel Laird bool 1297edb6310aSDaniel Laird select SOC_PNX833X 1298edb6310aSDaniel Laird 1299a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1300a7e07b1aSMarkos Chandras bool 1301a7e07b1aSMarkos Chandras 13021da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13031da177e4SLinus Torvalds bool 13041da177e4SLinus Torvalds 1305e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1306e2defae5SThomas Bogendoerfer bool 1307e2defae5SThomas Bogendoerfer 13085b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13095b438c44SThomas Bogendoerfer bool 13105b438c44SThomas Bogendoerfer 1311e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1312e2defae5SThomas Bogendoerfer bool 1313e2defae5SThomas Bogendoerfer 1314e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1315e2defae5SThomas Bogendoerfer bool 1316e2defae5SThomas Bogendoerfer 1317e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1318e2defae5SThomas Bogendoerfer bool 1319e2defae5SThomas Bogendoerfer 1320e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1321e2defae5SThomas Bogendoerfer bool 1322e2defae5SThomas Bogendoerfer 1323e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1324e2defae5SThomas Bogendoerfer bool 1325e2defae5SThomas Bogendoerfer 13260e2794b0SRalf Baechleconfig FW_ARC32 13275e83d430SRalf Baechle bool 13285e83d430SRalf Baechle 1329aaa9fad3SPaul Bolleconfig FW_SNIPROM 1330231a35d3SThomas Bogendoerfer bool 1331231a35d3SThomas Bogendoerfer 13321da177e4SLinus Torvaldsconfig BOOT_ELF32 13331da177e4SLinus Torvalds bool 13341da177e4SLinus Torvalds 1335930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1336930beb5aSFlorian Fainelli bool 1337930beb5aSFlorian Fainelli 1338930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1339930beb5aSFlorian Fainelli bool 1340930beb5aSFlorian Fainelli 1341930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1342930beb5aSFlorian Fainelli bool 1343930beb5aSFlorian Fainelli 1344930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1345930beb5aSFlorian Fainelli bool 1346930beb5aSFlorian Fainelli 13471da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13481da177e4SLinus Torvalds int 1349a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13505432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13515432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13525432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13531da177e4SLinus Torvalds default "5" 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13561da177e4SLinus Torvalds bool 13571da177e4SLinus Torvalds 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 136414b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13651da177e4SLinus Torvalds default y 13661da177e4SLinus Torvalds 13671da177e4SLinus Torvaldsconfig ARC_PROMLIB 13681da177e4SLinus Torvalds bool 1369e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13701da177e4SLinus Torvalds default y 13711da177e4SLinus Torvalds 13720e2794b0SRalf Baechleconfig FW_ARC64 13731da177e4SLinus Torvalds bool 13741da177e4SLinus Torvalds 13751da177e4SLinus Torvaldsconfig BOOT_ELF64 13761da177e4SLinus Torvalds bool 13771da177e4SLinus Torvalds 13781da177e4SLinus Torvaldsmenu "CPU selection" 13791da177e4SLinus Torvalds 13801da177e4SLinus Torvaldschoice 13811da177e4SLinus Torvalds prompt "CPU type" 13821da177e4SLinus Torvalds default CPU_R4X00 13831da177e4SLinus Torvalds 13840e476d91SHuacai Chenconfig CPU_LOONGSON3 13850e476d91SHuacai Chen bool "Loongson 3 CPU" 13860e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1387d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13880e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13890e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13900e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13917507445bSHuacai Chen select CPU_SUPPORTS_MSA 1392932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13930e476d91SHuacai Chen select WEAK_ORDERING 13940e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 13957507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1396b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 139717c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1398d30a2b47SLinus Walleij select GPIOLIB 139909230cbcSChristoph Hellwig select SWIOTLB 14000e476d91SHuacai Chen help 14010e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 14020e476d91SHuacai Chen set with many extensions. 14030e476d91SHuacai Chen 14041e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 14051e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 14061e820da3SHuacai Chen default n 14071e820da3SHuacai Chen select CPU_MIPSR2 14081e820da3SHuacai Chen select CPU_HAS_PREFETCH 14091e820da3SHuacai Chen depends on CPU_LOONGSON3 14101e820da3SHuacai Chen help 14111e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 14121e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 14131e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 14141e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14151e820da3SHuacai Chen Fast TLB refill support, etc. 14161e820da3SHuacai Chen 14171e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14181e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14191e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14201e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14211e820da3SHuacai Chen 1422e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1423e02e07e3SHuacai Chen bool "Old Loongson 3 LLSC Workarounds" 1424e02e07e3SHuacai Chen default y if SMP 1425e02e07e3SHuacai Chen depends on CPU_LOONGSON3 1426e02e07e3SHuacai Chen help 1427e02e07e3SHuacai Chen Loongson 3 processors have the llsc issues which require workarounds. 1428e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1429e02e07e3SHuacai Chen 1430e02e07e3SHuacai Chen Newer Loongson 3 will fix these issues and no workarounds are needed. 1431e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1432e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1433e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1434e02e07e3SHuacai Chen 1435e02e07e3SHuacai Chen If unsure, please say Y. 1436e02e07e3SHuacai Chen 14373702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14383702bba5SWu Zhangjin bool "Loongson 2E" 14393702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14403702bba5SWu Zhangjin select CPU_LOONGSON2 14412a21c730SFuxin Zhang help 14422a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14432a21c730SFuxin Zhang with many extensions. 14442a21c730SFuxin Zhang 144525985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14466f7a251aSWu Zhangjin bonito64. 14476f7a251aSWu Zhangjin 14486f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14496f7a251aSWu Zhangjin bool "Loongson 2F" 14506f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14516f7a251aSWu Zhangjin select CPU_LOONGSON2 1452d30a2b47SLinus Walleij select GPIOLIB 14536f7a251aSWu Zhangjin help 14546f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14556f7a251aSWu Zhangjin with many extensions. 14566f7a251aSWu Zhangjin 14576f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14586f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14596f7a251aSWu Zhangjin Loongson2E. 14606f7a251aSWu Zhangjin 1461ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1462ca585cf9SKelvin Cheung bool "Loongson 1B" 1463ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1464ca585cf9SKelvin Cheung select CPU_LOONGSON1 14659ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1466ca585cf9SKelvin Cheung help 1467ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1468968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1469968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1470ca585cf9SKelvin Cheung 147112e3280bSYang Lingconfig CPU_LOONGSON1C 147212e3280bSYang Ling bool "Loongson 1C" 147312e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 147412e3280bSYang Ling select CPU_LOONGSON1 147512e3280bSYang Ling select LEDS_GPIO_REGISTER 147612e3280bSYang Ling help 147712e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1478968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1479968dc5a0S谢致邦 (XIE Zhibang) instruction set. 148012e3280bSYang Ling 14816e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14826e760c8dSRalf Baechle bool "MIPS32 Release 1" 14837cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14846e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1485932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1486797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1487ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14886e760c8dSRalf Baechle help 14895e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14901e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14911e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14921e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14931e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14941e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14951e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14961e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14971e5f1caaSRalf Baechle performance. 14981e5f1caaSRalf Baechle 14991e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 15001e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15017cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15021e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1503932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1504797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1505ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1506a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15072235a54dSSanjay Lal select HAVE_KVM 15081e5f1caaSRalf Baechle help 15095e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15106e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15116e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15126e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15136e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15141da177e4SLinus Torvalds 15157fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1516674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15177fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15187fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15197fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15207fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15217fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15227fd08ca5SLeonid Yegoshin select HAVE_KVM 15237fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15247fd08ca5SLeonid Yegoshin help 15257fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15267fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15277fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15287fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15297fd08ca5SLeonid Yegoshin 15306e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15316e760c8dSRalf Baechle bool "MIPS64 Release 1" 15327cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1533797798c1SRalf Baechle select CPU_HAS_PREFETCH 1534932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1535ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1536ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1537ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15389cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15396e760c8dSRalf Baechle help 15406e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15416e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15426e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15436e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15446e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15451e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15461e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15471e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15481e5f1caaSRalf Baechle performance. 15491e5f1caaSRalf Baechle 15501e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15511e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15527cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1553797798c1SRalf Baechle select CPU_HAS_PREFETCH 1554932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15551e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15561e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1557ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15589cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1559a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 156040a2df49SJames Hogan select HAVE_KVM 15611e5f1caaSRalf Baechle help 15621e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15631e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15641e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15651e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15661e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15671da177e4SLinus Torvalds 15687fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1569674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15707fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15717fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1575afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15767fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15772e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 157840a2df49SJames Hogan select HAVE_KVM 15797fd08ca5SLeonid Yegoshin help 15807fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15817fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15827fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15837fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15847fd08ca5SLeonid Yegoshin 15851da177e4SLinus Torvaldsconfig CPU_R3000 15861da177e4SLinus Torvalds bool "R3000" 15877cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1588f7062ddbSRalf Baechle select CPU_HAS_WB 1589932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 159054746829SPaul Burton select CPU_R3K_TLB 1591ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1592797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15931da177e4SLinus Torvalds help 15941da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15951da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15961da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15971da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15981da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15991da177e4SLinus Torvalds try to recompile with R3000. 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvaldsconfig CPU_TX39XX 16021da177e4SLinus Torvalds bool "R39XX" 16037cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1604ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1605932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 160654746829SPaul Burton select CPU_R3K_TLB 16071da177e4SLinus Torvalds 16081da177e4SLinus Torvaldsconfig CPU_VR41XX 16091da177e4SLinus Torvalds bool "R41xx" 16107cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1611ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1612ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1613932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16141da177e4SLinus Torvalds help 16155e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16161da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16171da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16181da177e4SLinus Torvalds processor or vice versa. 16191da177e4SLinus Torvalds 16201da177e4SLinus Torvaldsconfig CPU_R4X00 16211da177e4SLinus Torvalds bool "R4x00" 16227cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1623ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1624ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1625970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1626932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16271da177e4SLinus Torvalds help 16281da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16291da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16301da177e4SLinus Torvalds 16311da177e4SLinus Torvaldsconfig CPU_TX49XX 16321da177e4SLinus Torvalds bool "R49XX" 16337cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1634de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1635932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1636ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1637ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1638970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16391da177e4SLinus Torvalds 16401da177e4SLinus Torvaldsconfig CPU_R5000 16411da177e4SLinus Torvalds bool "R5000" 16427cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1643ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1644ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1645970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1646932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16471da177e4SLinus Torvalds help 16481da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16491da177e4SLinus Torvalds 1650542c1020SShinya Kuribayashiconfig CPU_R5500 1651542c1020SShinya Kuribayashi bool "R5500" 1652542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1653542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1654542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16559cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1656932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1657542c1020SShinya Kuribayashi help 1658542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1659542c1020SShinya Kuribayashi instruction set. 1660542c1020SShinya Kuribayashi 16611da177e4SLinus Torvaldsconfig CPU_NEVADA 16621da177e4SLinus Torvalds bool "RM52xx" 16637cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1665ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1666970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1667932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16681da177e4SLinus Torvalds help 16691da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvaldsconfig CPU_R10000 16721da177e4SLinus Torvalds bool "R10000" 16737cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16745e83d430SRalf Baechle select CPU_HAS_PREFETCH 1675932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1676ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1677ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1678797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1679970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16801da177e4SLinus Torvalds help 16811da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16821da177e4SLinus Torvalds 16831da177e4SLinus Torvaldsconfig CPU_RM7000 16841da177e4SLinus Torvalds bool "RM7000" 16857cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16865e83d430SRalf Baechle select CPU_HAS_PREFETCH 1687932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1688ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1689ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1690797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1691970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16921da177e4SLinus Torvalds 16931da177e4SLinus Torvaldsconfig CPU_SB1 16941da177e4SLinus Torvalds bool "SB1" 16957cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1696932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1697ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1698ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1699797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1700970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17010004a9dfSRalf Baechle select WEAK_ORDERING 17021da177e4SLinus Torvalds 1703a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1704a86c7f72SDavid Daney bool "Cavium Octeon processor" 17055e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1706a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1707932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1708a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1709a86c7f72SDavid Daney select WEAK_ORDERING 1710a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17119cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1712df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1713df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1714930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17150ae3abcdSJames Hogan select HAVE_KVM 1716a86c7f72SDavid Daney help 1717a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1718a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1719a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1720a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1721a86c7f72SDavid Daney 1722cd746249SJonas Gorskiconfig CPU_BMIPS 1723cd746249SJonas Gorski bool "Broadcom BMIPS" 1724cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1725cd746249SJonas Gorski select CPU_MIPS32 1726fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1727cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1728cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1729cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1730cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1731cd746249SJonas Gorski select DMA_NONCOHERENT 173267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1733cd746249SJonas Gorski select SWAP_IO_SPACE 1734cd746249SJonas Gorski select WEAK_ORDERING 1735c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 173669aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1737932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1738a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1739a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1740c1c0c461SKevin Cernekee help 1741fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1742c1c0c461SKevin Cernekee 17437f058e85SJayachandran Cconfig CPU_XLR 17447f058e85SJayachandran C bool "Netlogic XLR SoC" 17457f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1746932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17477f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17487f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17497f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1750970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17517f058e85SJayachandran C select WEAK_ORDERING 17527f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17537f058e85SJayachandran C help 17547f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17551c773ea4SJayachandran C 17561c773ea4SJayachandran Cconfig CPU_XLP 17571c773ea4SJayachandran C bool "Netlogic XLP SoC" 17581c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17591c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17601c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17611c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17621c773ea4SJayachandran C select WEAK_ORDERING 17631c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17641c773ea4SJayachandran C select CPU_HAS_PREFETCH 1765932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1766d6504846SJayachandran C select CPU_MIPSR2 1767ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17682db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17691c773ea4SJayachandran C help 17701c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17711da177e4SLinus Torvaldsendchoice 17721da177e4SLinus Torvalds 1773a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1774a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1775a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17767fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1777a6e18781SLeonid Yegoshin help 1778a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1779a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1780a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1781a6e18781SLeonid Yegoshin 1782a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1783a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1784a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1785a6e18781SLeonid Yegoshin select EVA 1786a6e18781SLeonid Yegoshin default y 1787a6e18781SLeonid Yegoshin help 1788a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1789a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1790a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1791a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1792a6e18781SLeonid Yegoshin 1793c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1794c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1795c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1796c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1797c5b36783SSteven J. Hill help 1798c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1799c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1800c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1801c5b36783SSteven J. Hill 1802c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1803c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1804c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1805c5b36783SSteven J. Hill depends on !EVA 1806c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1807c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1808c5b36783SSteven J. Hill select XPA 1809c5b36783SSteven J. Hill select HIGHMEM 1810d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1811c5b36783SSteven J. Hill default n 1812c5b36783SSteven J. Hill help 1813c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1814c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1815c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1816c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1817c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1818c5b36783SSteven J. Hill If unsure, say 'N' here. 1819c5b36783SSteven J. Hill 1820622844bfSWu Zhangjinif CPU_LOONGSON2F 1821622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1822622844bfSWu Zhangjin bool 1823622844bfSWu Zhangjin 1824622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1825622844bfSWu Zhangjin bool 1826622844bfSWu Zhangjin 1827622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1828622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1829622844bfSWu Zhangjin default y 1830622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1831622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1832622844bfSWu Zhangjin help 1833622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1834622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1835622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1836622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1837622844bfSWu Zhangjin 1838622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1839622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1840622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1841622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1842622844bfSWu Zhangjin systems. 1843622844bfSWu Zhangjin 1844622844bfSWu Zhangjin If unsure, please say Y. 1845622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1846622844bfSWu Zhangjin 18471b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18481b93b3c3SWu Zhangjin bool 18491b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18501b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 185131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18521b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1853fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18544e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18551b93b3c3SWu Zhangjin 18561b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18571b93b3c3SWu Zhangjin bool 18581b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18591b93b3c3SWu Zhangjin 1860dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1861dbb98314SAlban Bedel bool 1862dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1863dbb98314SAlban Bedel 18643702bba5SWu Zhangjinconfig CPU_LOONGSON2 18653702bba5SWu Zhangjin bool 18663702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18673702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18683702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1869970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1870e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1871932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18723702bba5SWu Zhangjin 1873ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1874ca585cf9SKelvin Cheung bool 1875ca585cf9SKelvin Cheung select CPU_MIPS32 18767e280f6bSJiaxun Yang select CPU_MIPSR2 1877ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1878932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1879ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1880ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1881f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1882ca585cf9SKelvin Cheung 1883fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 188404fa8bf7SJonas Gorski select SMP_UP if SMP 18851bbb6c1bSKevin Cernekee bool 1886cd746249SJonas Gorski 1887cd746249SJonas Gorskiconfig CPU_BMIPS4350 1888cd746249SJonas Gorski bool 1889cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1890cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1891cd746249SJonas Gorski 1892cd746249SJonas Gorskiconfig CPU_BMIPS4380 1893cd746249SJonas Gorski bool 1894bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1895cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1896cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1897b4720809SFlorian Fainelli select CPU_HAS_RIXI 1898cd746249SJonas Gorski 1899cd746249SJonas Gorskiconfig CPU_BMIPS5000 1900cd746249SJonas Gorski bool 1901cd746249SJonas Gorski select MIPS_CPU_SCACHE 1902bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1903cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1904cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1905b4720809SFlorian Fainelli select CPU_HAS_RIXI 19061bbb6c1bSKevin Cernekee 19070e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 19080e476d91SHuacai Chen bool 19090e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1910b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19110e476d91SHuacai Chen 19123702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19132a21c730SFuxin Zhang bool 19142a21c730SFuxin Zhang 19156f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19166f7a251aSWu Zhangjin bool 191755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 191855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 191922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19206f7a251aSWu Zhangjin 1921ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1922ca585cf9SKelvin Cheung bool 1923ca585cf9SKelvin Cheung 192412e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 192512e3280bSYang Ling bool 192612e3280bSYang Ling 19277cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19287cf8053bSRalf Baechle bool 19297cf8053bSRalf Baechle 19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19317cf8053bSRalf Baechle bool 19327cf8053bSRalf Baechle 1933a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1934a6e18781SLeonid Yegoshin bool 1935a6e18781SLeonid Yegoshin 1936c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1937c5b36783SSteven J. Hill bool 19389ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1939c5b36783SSteven J. Hill 19407fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19417fd08ca5SLeonid Yegoshin bool 19429ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19437fd08ca5SLeonid Yegoshin 19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19457cf8053bSRalf Baechle bool 19467cf8053bSRalf Baechle 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19507fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19517fd08ca5SLeonid Yegoshin bool 19529ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19537fd08ca5SLeonid Yegoshin 19547cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19557cf8053bSRalf Baechle bool 19567cf8053bSRalf Baechle 19577cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19587cf8053bSRalf Baechle bool 19597cf8053bSRalf Baechle 19607cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19617cf8053bSRalf Baechle bool 19627cf8053bSRalf Baechle 19637cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19647cf8053bSRalf Baechle bool 19657cf8053bSRalf Baechle 19667cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19677cf8053bSRalf Baechle bool 19687cf8053bSRalf Baechle 19697cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19707cf8053bSRalf Baechle bool 19717cf8053bSRalf Baechle 1972542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1973542c1020SShinya Kuribayashi bool 1974542c1020SShinya Kuribayashi 19757cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19767cf8053bSRalf Baechle bool 19777cf8053bSRalf Baechle 19787cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19797cf8053bSRalf Baechle bool 19809ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19817cf8053bSRalf Baechle 19827cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19837cf8053bSRalf Baechle bool 19847cf8053bSRalf Baechle 19857cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19867cf8053bSRalf Baechle bool 19877cf8053bSRalf Baechle 19885e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19895e683389SDavid Daney bool 19905e683389SDavid Daney 1991cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1992c1c0c461SKevin Cernekee bool 1993c1c0c461SKevin Cernekee 1994fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1995c1c0c461SKevin Cernekee bool 1996cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1997c1c0c461SKevin Cernekee 1998c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1999c1c0c461SKevin Cernekee bool 2000cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2001c1c0c461SKevin Cernekee 2002c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2003c1c0c461SKevin Cernekee bool 2004cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2005c1c0c461SKevin Cernekee 2006c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2007c1c0c461SKevin Cernekee bool 2008cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2009f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2010c1c0c461SKevin Cernekee 20117f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20127f058e85SJayachandran C bool 20137f058e85SJayachandran C 20141c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20151c773ea4SJayachandran C bool 20161c773ea4SJayachandran C 201717099b11SRalf Baechle# 201817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 201917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 202017099b11SRalf Baechle# 20210004a9dfSRalf Baechleconfig WEAK_ORDERING 20220004a9dfSRalf Baechle bool 202317099b11SRalf Baechle 202417099b11SRalf Baechle# 202517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 202617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 202717099b11SRalf Baechle# 202817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 202917099b11SRalf Baechle bool 20305e83d430SRalf Baechleendmenu 20315e83d430SRalf Baechle 20325e83d430SRalf Baechle# 20335e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20345e83d430SRalf Baechle# 20355e83d430SRalf Baechleconfig CPU_MIPS32 20365e83d430SRalf Baechle bool 20377fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20385e83d430SRalf Baechle 20395e83d430SRalf Baechleconfig CPU_MIPS64 20405e83d430SRalf Baechle bool 20417fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20425e83d430SRalf Baechle 20435e83d430SRalf Baechle# 204457eeacedSPaul Burton# These indicate the revision of the architecture 20455e83d430SRalf Baechle# 20465e83d430SRalf Baechleconfig CPU_MIPSR1 20475e83d430SRalf Baechle bool 20485e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20495e83d430SRalf Baechle 20505e83d430SRalf Baechleconfig CPU_MIPSR2 20515e83d430SRalf Baechle bool 2052a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20538256b17eSFlorian Fainelli select CPU_HAS_RIXI 2054a7e07b1aSMarkos Chandras select MIPS_SPRAM 20555e83d430SRalf Baechle 20567fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20577fd08ca5SLeonid Yegoshin bool 20587fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20598256b17eSFlorian Fainelli select CPU_HAS_RIXI 206087321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20612db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20624a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2063a7e07b1aSMarkos Chandras select MIPS_SPRAM 20645e83d430SRalf Baechle 206557eeacedSPaul Burtonconfig TARGET_ISA_REV 206657eeacedSPaul Burton int 206757eeacedSPaul Burton default 1 if CPU_MIPSR1 206857eeacedSPaul Burton default 2 if CPU_MIPSR2 206957eeacedSPaul Burton default 6 if CPU_MIPSR6 207057eeacedSPaul Burton default 0 207157eeacedSPaul Burton help 207257eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 207357eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 207457eeacedSPaul Burton 2075a6e18781SLeonid Yegoshinconfig EVA 2076a6e18781SLeonid Yegoshin bool 2077a6e18781SLeonid Yegoshin 2078c5b36783SSteven J. Hillconfig XPA 2079c5b36783SSteven J. Hill bool 2080c5b36783SSteven J. Hill 20815e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20825e83d430SRalf Baechle bool 20835e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20845e83d430SRalf Baechle bool 20855e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20865e83d430SRalf Baechle bool 20875e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20885e83d430SRalf Baechle bool 208955045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 209055045ff5SWu Zhangjin bool 209155045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 209255045ff5SWu Zhangjin bool 20939cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20949cffd154SDavid Daney bool 2095171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 209622f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 209722f1fdfdSWu Zhangjin bool 209882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 209982622284SDavid Daney bool 2100cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21015e83d430SRalf Baechle 21028192c9eaSDavid Daney# 21038192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21048192c9eaSDavid Daney# 21058192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21068192c9eaSDavid Daney bool 2107679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21088192c9eaSDavid Daney 21095e83d430SRalf Baechlemenu "Kernel type" 21105e83d430SRalf Baechle 21115e83d430SRalf Baechlechoice 21125e83d430SRalf Baechle prompt "Kernel code model" 21135e83d430SRalf Baechle help 21145e83d430SRalf Baechle You should only select this option if you have a workload that 21155e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21165e83d430SRalf Baechle large memory. You will only be presented a single option in this 21175e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21185e83d430SRalf Baechle 21195e83d430SRalf Baechleconfig 32BIT 21205e83d430SRalf Baechle bool "32-bit kernel" 21215e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21225e83d430SRalf Baechle select TRAD_SIGNALS 21235e83d430SRalf Baechle help 21245e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2125f17c4ca3SRalf Baechle 21265e83d430SRalf Baechleconfig 64BIT 21275e83d430SRalf Baechle bool "64-bit kernel" 21285e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21295e83d430SRalf Baechle help 21305e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21315e83d430SRalf Baechle 21325e83d430SRalf Baechleendchoice 21335e83d430SRalf Baechle 21342235a54dSSanjay Lalconfig KVM_GUEST 21352235a54dSSanjay Lal bool "KVM Guest Kernel" 2136f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21372235a54dSSanjay Lal help 2138caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2139caa1faa7SJames Hogan mode. 21402235a54dSSanjay Lal 2141eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2142eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21432235a54dSSanjay Lal depends on KVM_GUEST 2144eda3d33cSJames Hogan default 100 21452235a54dSSanjay Lal help 2146eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2147eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2148eda3d33cSJames Hogan timer frequency is specified directly. 21492235a54dSSanjay Lal 21501e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21511e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21521e321fa9SLeonid Yegoshin depends on 64BIT 21531e321fa9SLeonid Yegoshin help 21543377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21553377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21563377e227SAlex Belits For page sizes 16k and above, this option results in a small 21573377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21583377e227SAlex Belits level of page tables is added which imposes both a memory 21593377e227SAlex Belits overhead as well as slower TLB fault handling. 21603377e227SAlex Belits 21611e321fa9SLeonid Yegoshin If unsure, say N. 21621e321fa9SLeonid Yegoshin 21631da177e4SLinus Torvaldschoice 21641da177e4SLinus Torvalds prompt "Kernel page size" 21651da177e4SLinus Torvalds default PAGE_SIZE_4KB 21661da177e4SLinus Torvalds 21671da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21681da177e4SLinus Torvalds bool "4kB" 21690e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21701da177e4SLinus Torvalds help 21711da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21721da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21731da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21741da177e4SLinus Torvalds recommended for low memory systems. 21751da177e4SLinus Torvalds 21761da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21771da177e4SLinus Torvalds bool "8kB" 2178c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21791e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21801da177e4SLinus Torvalds help 21811da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21821da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2183c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2184c2aeaaeaSPaul Burton distribution to support this. 21851da177e4SLinus Torvalds 21861da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21871da177e4SLinus Torvalds bool "16kB" 2188714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21891da177e4SLinus Torvalds help 21901da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21911da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2192714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2193714bfad6SRalf Baechle Linux distribution to support this. 21941da177e4SLinus Torvalds 2195c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2196c52399beSRalf Baechle bool "32kB" 2197c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21981e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2199c52399beSRalf Baechle help 2200c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2201c52399beSRalf Baechle the price of higher memory consumption. This option is available 2202c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2203c52399beSRalf Baechle distribution to support this. 2204c52399beSRalf Baechle 22051da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22061da177e4SLinus Torvalds bool "64kB" 22073b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22081da177e4SLinus Torvalds help 22091da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22101da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22111da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2212714bfad6SRalf Baechle writing this option is still high experimental. 22131da177e4SLinus Torvalds 22141da177e4SLinus Torvaldsendchoice 22151da177e4SLinus Torvalds 2216c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2217c9bace7cSDavid Daney int "Maximum zone order" 2218e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2219e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2220e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2221e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2222e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2223e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2224c9bace7cSDavid Daney range 11 64 2225c9bace7cSDavid Daney default "11" 2226c9bace7cSDavid Daney help 2227c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2228c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2229c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2230c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2231c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2232c9bace7cSDavid Daney increase this value. 2233c9bace7cSDavid Daney 2234c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2235c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2236c9bace7cSDavid Daney 2237c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2238c9bace7cSDavid Daney when choosing a value for this option. 2239c9bace7cSDavid Daney 22401da177e4SLinus Torvaldsconfig BOARD_SCACHE 22411da177e4SLinus Torvalds bool 22421da177e4SLinus Torvalds 22431da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22441da177e4SLinus Torvalds bool 22451da177e4SLinus Torvalds select BOARD_SCACHE 22461da177e4SLinus Torvalds 22479318c51aSChris Dearman# 22489318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22499318c51aSChris Dearman# 22509318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22519318c51aSChris Dearman bool 22529318c51aSChris Dearman select BOARD_SCACHE 22539318c51aSChris Dearman 22541da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22551da177e4SLinus Torvalds bool 22561da177e4SLinus Torvalds select BOARD_SCACHE 22571da177e4SLinus Torvalds 22581da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22591da177e4SLinus Torvalds bool 22601da177e4SLinus Torvalds select BOARD_SCACHE 22611da177e4SLinus Torvalds 22621da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22631da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22641da177e4SLinus Torvalds depends on CPU_SB1 22651da177e4SLinus Torvalds help 22661da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22671da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22681da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22691da177e4SLinus Torvalds 22701da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2271c8094b53SRalf Baechle bool 22721da177e4SLinus Torvalds 22733165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22743165c846SFlorian Fainelli bool 2275c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22763165c846SFlorian Fainelli 2277c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2278183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2279183b40f9SPaul Burton default y 2280183b40f9SPaul Burton help 2281183b40f9SPaul Burton Select y to include support for floating point in the kernel 2282183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2283183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2284183b40f9SPaul Burton userland program attempting to use floating point instructions will 2285183b40f9SPaul Burton receive a SIGILL. 2286183b40f9SPaul Burton 2287183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2288183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2289183b40f9SPaul Burton 2290183b40f9SPaul Burton If unsure, say y. 2291c92e47e5SPaul Burton 229297f7dcbfSPaul Burtonconfig CPU_R2300_FPU 229397f7dcbfSPaul Burton bool 2294c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229597f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 229697f7dcbfSPaul Burton 229754746829SPaul Burtonconfig CPU_R3K_TLB 229854746829SPaul Burton bool 229954746829SPaul Burton 230091405eb6SFlorian Fainelliconfig CPU_R4K_FPU 230191405eb6SFlorian Fainelli bool 2302c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 230397f7dcbfSPaul Burton default y if !CPU_R2300_FPU 230491405eb6SFlorian Fainelli 230562cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 230662cedc4fSFlorian Fainelli bool 230754746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 230862cedc4fSFlorian Fainelli 230959d6ab86SRalf Baechleconfig MIPS_MT_SMP 2310a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23115cbf9688SPaul Burton default y 2312527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 231359d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2314d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2315c080faa5SSteven J. Hill select SYNC_R4K 231659d6ab86SRalf Baechle select MIPS_MT 231759d6ab86SRalf Baechle select SMP 231887353d8aSRalf Baechle select SMP_UP 2319c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2320c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2321399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 232259d6ab86SRalf Baechle help 2323c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2324c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2325c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2326c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2327c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 232859d6ab86SRalf Baechle 2329f41ae0b2SRalf Baechleconfig MIPS_MT 2330f41ae0b2SRalf Baechle bool 2331f41ae0b2SRalf Baechle 23320ab7aefcSRalf Baechleconfig SCHED_SMT 23330ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23340ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23350ab7aefcSRalf Baechle default n 23360ab7aefcSRalf Baechle help 23370ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23380ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23390ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23400ab7aefcSRalf Baechle 23410ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23420ab7aefcSRalf Baechle bool 23430ab7aefcSRalf Baechle 2344f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2345f41ae0b2SRalf Baechle bool 2346f41ae0b2SRalf Baechle 2347f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2348f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2349f088fc84SRalf Baechle default y 2350b633648cSRalf Baechle depends on MIPS_MT_SMP 235107cc0c9eSRalf Baechle 2352b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2353b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23549eaa9a82SPaul Burton depends on CPU_MIPSR6 2355c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2356b0a668fbSLeonid Yegoshin default y 2357b0a668fbSLeonid Yegoshin help 2358b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2359b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 236007edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2361b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2362b0a668fbSLeonid Yegoshin final kernel image. 2363b0a668fbSLeonid Yegoshin 2364f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2365f35764e7SJames Hogan bool 2366f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2367f35764e7SJames Hogan help 2368f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2369f35764e7SJames Hogan physical_memsize. 2370f35764e7SJames Hogan 237107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 237207cc0c9eSRalf Baechle bool "VPE loader support." 2373f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 237407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 237507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 237607cc0c9eSRalf Baechle select MIPS_MT 237707cc0c9eSRalf Baechle help 237807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 237907cc0c9eSRalf Baechle onto another VPE and running it. 2380f088fc84SRalf Baechle 238117a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 238217a1d523SDeng-Cheng Zhu bool 238317a1d523SDeng-Cheng Zhu default "y" 238417a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 238517a1d523SDeng-Cheng Zhu 23861a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23871a2a6d7eSDeng-Cheng Zhu bool 23881a2a6d7eSDeng-Cheng Zhu default "y" 23891a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23901a2a6d7eSDeng-Cheng Zhu 2391e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2392e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2393e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2394e01402b1SRalf Baechle default y 2395e01402b1SRalf Baechle help 2396e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2397e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2398e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2399e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2400e01402b1SRalf Baechle 2401e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2402e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2403e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2404e01402b1SRalf Baechle 2405da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2406da615cf6SDeng-Cheng Zhu bool 2407da615cf6SDeng-Cheng Zhu default "y" 2408da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2409da615cf6SDeng-Cheng Zhu 24102c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24112c973ef0SDeng-Cheng Zhu bool 24122c973ef0SDeng-Cheng Zhu default "y" 24132c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24142c973ef0SDeng-Cheng Zhu 24154a16ff4cSRalf Baechleconfig MIPS_CMP 24165cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24175676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2418b10b43baSMarkos Chandras select SMP 2419eb9b5141STim Anderson select SYNC_R4K 2420b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24214a16ff4cSRalf Baechle select WEAK_ORDERING 24224a16ff4cSRalf Baechle default n 24234a16ff4cSRalf Baechle help 2424044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2425044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2426044505c7SPaul Burton its ability to start secondary CPUs. 24274a16ff4cSRalf Baechle 24285cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24295cac93b3SPaul Burton instead of this. 24305cac93b3SPaul Burton 24310ee958e1SPaul Burtonconfig MIPS_CPS 24320ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24335a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24340ee958e1SPaul Burton select MIPS_CM 24351d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24360ee958e1SPaul Burton select SMP 24370ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24381d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2439c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24400ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24410ee958e1SPaul Burton select WEAK_ORDERING 24420ee958e1SPaul Burton help 24430ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24440ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24450ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24460ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24470ee958e1SPaul Burton support is unavailable. 24480ee958e1SPaul Burton 24493179d37eSPaul Burtonconfig MIPS_CPS_PM 245039a59593SMarkos Chandras depends on MIPS_CPS 24513179d37eSPaul Burton bool 24523179d37eSPaul Burton 24539f98f3ddSPaul Burtonconfig MIPS_CM 24549f98f3ddSPaul Burton bool 24553c9b4166SPaul Burton select MIPS_CPC 24569f98f3ddSPaul Burton 24579c38cf44SPaul Burtonconfig MIPS_CPC 24589c38cf44SPaul Burton bool 24592600990eSRalf Baechle 24601da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24611da177e4SLinus Torvalds bool 24621da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24631da177e4SLinus Torvalds default y 24641da177e4SLinus Torvalds 24651da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24661da177e4SLinus Torvalds bool 24671da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24681da177e4SLinus Torvalds default y 24691da177e4SLinus Torvalds 24709e2b5372SMarkos Chandraschoice 24719e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24729e2b5372SMarkos Chandras 24739e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24749e2b5372SMarkos Chandras bool "None" 24759e2b5372SMarkos Chandras help 24769e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24779e2b5372SMarkos Chandras 24789693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24799693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24809e2b5372SMarkos Chandras bool "SmartMIPS" 24819693a853SFranck Bui-Huu help 24829693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24839693a853SFranck Bui-Huu increased security at both hardware and software level for 24849693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24859693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24869693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24879693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24889693a853SFranck Bui-Huu here. 24899693a853SFranck Bui-Huu 2490bce86083SSteven J. Hillconfig CPU_MICROMIPS 24917fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24929e2b5372SMarkos Chandras bool "microMIPS" 2493bce86083SSteven J. Hill help 2494bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2495bce86083SSteven J. Hill microMIPS ISA 2496bce86083SSteven J. Hill 24979e2b5372SMarkos Chandrasendchoice 24989e2b5372SMarkos Chandras 2499a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25000ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2501a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2502c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25032a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2504a5e9a69eSPaul Burton help 2505a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2506a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25071db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25081db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25091db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25101db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25111db1af84SPaul Burton the size & complexity of your kernel. 2512a5e9a69eSPaul Burton 2513a5e9a69eSPaul Burton If unsure, say Y. 2514a5e9a69eSPaul Burton 25151da177e4SLinus Torvaldsconfig CPU_HAS_WB 2516f7062ddbSRalf Baechle bool 2517e01402b1SRalf Baechle 2518df0ac8a4SKevin Cernekeeconfig XKS01 2519df0ac8a4SKevin Cernekee bool 2520df0ac8a4SKevin Cernekee 25218256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25228256b17eSFlorian Fainelli bool 25238256b17eSFlorian Fainelli 2524932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2525932afdeeSYasha Cherikovsky bool 2526932afdeeSYasha Cherikovsky help 2527932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2528932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2529932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2530932afdeeSYasha Cherikovsky 2531f41ae0b2SRalf Baechle# 2532f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2533f41ae0b2SRalf Baechle# 2534e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2535f41ae0b2SRalf Baechle bool 2536e01402b1SRalf Baechle 2537f41ae0b2SRalf Baechle# 2538f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2539f41ae0b2SRalf Baechle# 2540e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2541f41ae0b2SRalf Baechle bool 2542e01402b1SRalf Baechle 25431da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25441da177e4SLinus Torvalds bool 25451da177e4SLinus Torvalds depends on !CPU_R3000 25461da177e4SLinus Torvalds default y 25471da177e4SLinus Torvalds 25481da177e4SLinus Torvalds# 254920d60d99SMaciej W. Rozycki# CPU non-features 255020d60d99SMaciej W. Rozycki# 255120d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 255220d60d99SMaciej W. Rozycki bool 255320d60d99SMaciej W. Rozycki 255420d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 255520d60d99SMaciej W. Rozycki bool 255620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 255720d60d99SMaciej W. Rozycki 255820d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 255920d60d99SMaciej W. Rozycki bool 256020d60d99SMaciej W. Rozycki 2561071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2562071d2f0bSPaul Burton bool 2563071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2564071d2f0bSPaul Burton 25654edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25664edf00a4SPaul Burton int 25674edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25684edf00a4SPaul Burton default 0 25694edf00a4SPaul Burton 25704edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25714edf00a4SPaul Burton int 25722db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25734edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25744edf00a4SPaul Burton default 8 25754edf00a4SPaul Burton 25762db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25772db003a5SPaul Burton bool 25782db003a5SPaul Burton 25794a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25804a5dc51eSMarcin Nowakowski bool 25814a5dc51eSMarcin Nowakowski 258220d60d99SMaciej W. Rozycki# 25831da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25841da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25851da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25861da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25871da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25881da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25891da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25901da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2591797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2592797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2593797798c1SRalf Baechle# support. 25941da177e4SLinus Torvalds# 25951da177e4SLinus Torvaldsconfig HIGHMEM 25961da177e4SLinus Torvalds bool "High Memory Support" 2597a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2598797798c1SRalf Baechle 2599797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2600797798c1SRalf Baechle bool 2601797798c1SRalf Baechle 2602797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2603797798c1SRalf Baechle bool 26041da177e4SLinus Torvalds 26059693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26069693a853SFranck Bui-Huu bool 26079693a853SFranck Bui-Huu 2608a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2609a6a4834cSSteven J. Hill bool 2610a6a4834cSSteven J. Hill 2611377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2612377cb1b6SRalf Baechle bool 2613377cb1b6SRalf Baechle help 2614377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2615377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2616377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2617377cb1b6SRalf Baechle 2618a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2619a5e9a69eSPaul Burton bool 2620a5e9a69eSPaul Burton 2621b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2622b4819b59SYoichi Yuasa def_bool y 2623f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2624b4819b59SYoichi Yuasa 2625b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2626b1c6cd42SAtsushi Nemoto bool 2627397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 262831473747SAtsushi Nemoto 2629d8cb4e11SRalf Baechleconfig NUMA 2630d8cb4e11SRalf Baechle bool "NUMA Support" 2631d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2632d8cb4e11SRalf Baechle help 2633d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2634d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2635d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2636d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2637d8cb4e11SRalf Baechle disabled. 2638d8cb4e11SRalf Baechle 2639d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2640d8cb4e11SRalf Baechle bool 2641d8cb4e11SRalf Baechle 26428c530ea3SMatt Redfearnconfig RELOCATABLE 26438c530ea3SMatt Redfearn bool "Relocatable kernel" 26443ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26458c530ea3SMatt Redfearn help 26468c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26478c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26488c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26498c530ea3SMatt Redfearn but are discarded at runtime 26508c530ea3SMatt Redfearn 2651069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2652069fd766SMatt Redfearn hex "Relocation table size" 2653069fd766SMatt Redfearn depends on RELOCATABLE 2654069fd766SMatt Redfearn range 0x0 0x01000000 2655069fd766SMatt Redfearn default "0x00100000" 2656069fd766SMatt Redfearn ---help--- 2657069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2658069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2659069fd766SMatt Redfearn 2660069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2661069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2662069fd766SMatt Redfearn 2663069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2664069fd766SMatt Redfearn 2665069fd766SMatt Redfearn If unsure, leave at the default value. 2666069fd766SMatt Redfearn 2667405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2668405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2669405bc8fdSMatt Redfearn depends on RELOCATABLE 2670405bc8fdSMatt Redfearn ---help--- 2671405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2672405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2673405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2674405bc8fdSMatt Redfearn of kernel internals. 2675405bc8fdSMatt Redfearn 2676405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2677405bc8fdSMatt Redfearn 2678405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2679405bc8fdSMatt Redfearn 2680405bc8fdSMatt Redfearn If unsure, say N. 2681405bc8fdSMatt Redfearn 2682405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2683405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2684405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2685405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2686405bc8fdSMatt Redfearn range 0x0 0x08000000 2687405bc8fdSMatt Redfearn default "0x01000000" 2688405bc8fdSMatt Redfearn ---help--- 2689405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2690405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2691405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2692405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2693405bc8fdSMatt Redfearn 2694405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2695405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2696405bc8fdSMatt Redfearn 2697c80d79d7SYasunori Gotoconfig NODES_SHIFT 2698c80d79d7SYasunori Goto int 2699c80d79d7SYasunori Goto default "6" 2700c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2701c80d79d7SYasunori Goto 270214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 270314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 270423021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 270514f70012SDeng-Cheng Zhu default y 270614f70012SDeng-Cheng Zhu help 270714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 270814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 270914f70012SDeng-Cheng Zhu 27101da177e4SLinus Torvaldsconfig SMP 27111da177e4SLinus Torvalds bool "Multi-Processing support" 2712e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2713e73ea273SRalf Baechle help 27141da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27154a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27164a474157SRobert Graffham than one CPU, say Y. 27171da177e4SLinus Torvalds 27184a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27191da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27201da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27214a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27221da177e4SLinus Torvalds will run faster if you say N here. 27231da177e4SLinus Torvalds 27241da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27251da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27261da177e4SLinus Torvalds 272703502faaSAdrian Bunk See also the SMP-HOWTO available at 272803502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27291da177e4SLinus Torvalds 27301da177e4SLinus Torvalds If you don't know what to do here, say N. 27311da177e4SLinus Torvalds 27327840d618SMatt Redfearnconfig HOTPLUG_CPU 27337840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27347840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27357840d618SMatt Redfearn help 27367840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27377840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27387840d618SMatt Redfearn (Note: power management support will enable this option 27397840d618SMatt Redfearn automatically on SMP systems. ) 27407840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27417840d618SMatt Redfearn 274287353d8aSRalf Baechleconfig SMP_UP 274387353d8aSRalf Baechle bool 274487353d8aSRalf Baechle 27454a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27464a16ff4cSRalf Baechle bool 27474a16ff4cSRalf Baechle 27480ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27490ee958e1SPaul Burton bool 27500ee958e1SPaul Burton 2751e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2752e73ea273SRalf Baechle bool 2753e73ea273SRalf Baechle 2754130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2755130e2fb7SRalf Baechle bool 2756130e2fb7SRalf Baechle 2757130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2758130e2fb7SRalf Baechle bool 2759130e2fb7SRalf Baechle 2760130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2761130e2fb7SRalf Baechle bool 2762130e2fb7SRalf Baechle 2763130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2764130e2fb7SRalf Baechle bool 2765130e2fb7SRalf Baechle 2766130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2767130e2fb7SRalf Baechle bool 2768130e2fb7SRalf Baechle 27691da177e4SLinus Torvaldsconfig NR_CPUS 2770a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2771a91796a9SJayachandran C range 2 256 27721da177e4SLinus Torvalds depends on SMP 2773130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2774130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2775130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2776130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2777130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27781da177e4SLinus Torvalds help 27791da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27801da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27811da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 278272ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 278372ede9b1SAtsushi Nemoto and 2 for all others. 27841da177e4SLinus Torvalds 27851da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 278672ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 278772ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 278872ede9b1SAtsushi Nemoto power of two. 27891da177e4SLinus Torvalds 2790399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2791399aaa25SAl Cooper bool 2792399aaa25SAl Cooper 27937820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27947820b84bSDavid Daney bool 27957820b84bSDavid Daney 27967820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27977820b84bSDavid Daney int 27987820b84bSDavid Daney depends on SMP 27997820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28007820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28017820b84bSDavid Daney 28021723b4a3SAtsushi Nemoto# 28031723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28041723b4a3SAtsushi Nemoto# 28051723b4a3SAtsushi Nemoto 28061723b4a3SAtsushi Nemotochoice 28071723b4a3SAtsushi Nemoto prompt "Timer frequency" 28081723b4a3SAtsushi Nemoto default HZ_250 28091723b4a3SAtsushi Nemoto help 28101723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28111723b4a3SAtsushi Nemoto 281267596573SPaul Burton config HZ_24 281367596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 281467596573SPaul Burton 28151723b4a3SAtsushi Nemoto config HZ_48 28160f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28171723b4a3SAtsushi Nemoto 28181723b4a3SAtsushi Nemoto config HZ_100 28191723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28201723b4a3SAtsushi Nemoto 28211723b4a3SAtsushi Nemoto config HZ_128 28221723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28231723b4a3SAtsushi Nemoto 28241723b4a3SAtsushi Nemoto config HZ_250 28251723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28261723b4a3SAtsushi Nemoto 28271723b4a3SAtsushi Nemoto config HZ_256 28281723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28291723b4a3SAtsushi Nemoto 28301723b4a3SAtsushi Nemoto config HZ_1000 28311723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28321723b4a3SAtsushi Nemoto 28331723b4a3SAtsushi Nemoto config HZ_1024 28341723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28351723b4a3SAtsushi Nemoto 28361723b4a3SAtsushi Nemotoendchoice 28371723b4a3SAtsushi Nemoto 283867596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 283967596573SPaul Burton bool 284067596573SPaul Burton 28411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28421723b4a3SAtsushi Nemoto bool 28431723b4a3SAtsushi Nemoto 28441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28451723b4a3SAtsushi Nemoto bool 28461723b4a3SAtsushi Nemoto 28471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28481723b4a3SAtsushi Nemoto bool 28491723b4a3SAtsushi Nemoto 28501723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28511723b4a3SAtsushi Nemoto bool 28521723b4a3SAtsushi Nemoto 28531723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28541723b4a3SAtsushi Nemoto bool 28551723b4a3SAtsushi Nemoto 28561723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28571723b4a3SAtsushi Nemoto bool 28581723b4a3SAtsushi Nemoto 28591723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28601723b4a3SAtsushi Nemoto bool 28611723b4a3SAtsushi Nemoto 28621723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28631723b4a3SAtsushi Nemoto bool 286467596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 286567596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 286667596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 286767596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 286867596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 286967596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 287067596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28711723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28721723b4a3SAtsushi Nemoto 28731723b4a3SAtsushi Nemotoconfig HZ 28741723b4a3SAtsushi Nemoto int 287567596573SPaul Burton default 24 if HZ_24 28761723b4a3SAtsushi Nemoto default 48 if HZ_48 28771723b4a3SAtsushi Nemoto default 100 if HZ_100 28781723b4a3SAtsushi Nemoto default 128 if HZ_128 28791723b4a3SAtsushi Nemoto default 250 if HZ_250 28801723b4a3SAtsushi Nemoto default 256 if HZ_256 28811723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28821723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28831723b4a3SAtsushi Nemoto 288496685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 288596685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 288696685b17SDeng-Cheng Zhu 2887ea6e942bSAtsushi Nemotoconfig KEXEC 28887d60717eSKees Cook bool "Kexec system call" 28892965faa5SDave Young select KEXEC_CORE 2890ea6e942bSAtsushi Nemoto help 2891ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2892ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28933dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2894ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2895ea6e942bSAtsushi Nemoto 289601dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2897ea6e942bSAtsushi Nemoto 2898ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2899ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2900bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2901bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2902bf220695SGeert Uytterhoeven made. 2903ea6e942bSAtsushi Nemoto 29047aa1c8f4SRalf Baechleconfig CRASH_DUMP 29057aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29067aa1c8f4SRalf Baechle help 29077aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29087aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29097aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29107aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29117aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29127aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29137aa1c8f4SRalf Baechle PHYSICAL_START. 29147aa1c8f4SRalf Baechle 29157aa1c8f4SRalf Baechleconfig PHYSICAL_START 29167aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29178bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29187aa1c8f4SRalf Baechle depends on CRASH_DUMP 29197aa1c8f4SRalf Baechle help 29207aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29217aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29227aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29237aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29247aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29257aa1c8f4SRalf Baechle 2926ea6e942bSAtsushi Nemotoconfig SECCOMP 2927ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2928293c5bd1SRalf Baechle depends on PROC_FS 2929ea6e942bSAtsushi Nemoto default y 2930ea6e942bSAtsushi Nemoto help 2931ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2932ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2933ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2934ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2935ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2936ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2937ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2938ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2939ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2940ea6e942bSAtsushi Nemoto 2941ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2942ea6e942bSAtsushi Nemoto 2943597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2944b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2945597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2946597ce172SPaul Burton help 2947597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2948597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2949597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2950597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2951597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2952597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2953597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2954597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2955597ce172SPaul Burton saying N here. 2956597ce172SPaul Burton 295706e2e882SPaul Burton Although binutils currently supports use of this flag the details 295806e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 295906e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 296006e2e882SPaul Burton behaviour before the details have been finalised, this option should 296106e2e882SPaul Burton be considered experimental and only enabled by those working upon 296206e2e882SPaul Burton said details. 296306e2e882SPaul Burton 296406e2e882SPaul Burton If unsure, say N. 2965597ce172SPaul Burton 2966f2ffa5abSDezhong Diaoconfig USE_OF 29670b3e06fdSJonas Gorski bool 2968f2ffa5abSDezhong Diao select OF 2969e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2970abd2363fSGrant Likely select IRQ_DOMAIN 2971f2ffa5abSDezhong Diao 29722fe8ea39SDengcheng Zhuconfig UHI_BOOT 29732fe8ea39SDengcheng Zhu bool 29742fe8ea39SDengcheng Zhu 29757fafb068SAndrew Brestickerconfig BUILTIN_DTB 29767fafb068SAndrew Bresticker bool 29777fafb068SAndrew Bresticker 29781da8f179SJonas Gorskichoice 29795b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29801da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29811da8f179SJonas Gorski 29821da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29831da8f179SJonas Gorski bool "None" 29841da8f179SJonas Gorski help 29851da8f179SJonas Gorski Do not enable appended dtb support. 29861da8f179SJonas Gorski 298787db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 298887db537dSAaro Koskinen bool "vmlinux" 298987db537dSAaro Koskinen help 299087db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 299187db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 299287db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 299387db537dSAaro Koskinen objcopy: 299487db537dSAaro Koskinen 299587db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 299687db537dSAaro Koskinen 299787db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 299887db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 299987db537dSAaro Koskinen the documented boot protocol using a device tree. 300087db537dSAaro Koskinen 30011da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3002b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30031da8f179SJonas Gorski help 30041da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3005b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30061da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30071da8f179SJonas Gorski 30081da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30091da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30101da8f179SJonas Gorski the documented boot protocol using a device tree. 30111da8f179SJonas Gorski 30121da8f179SJonas Gorski Beware that there is very little in terms of protection against 30131da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30141da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30151da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30161da8f179SJonas Gorski if you don't intend to always append a DTB. 30171da8f179SJonas Gorskiendchoice 30181da8f179SJonas Gorski 30192024972eSJonas Gorskichoice 30202024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30212bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30223f5f0a44SPaul Burton !MIPS_MALTA && \ 30232bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30242024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30252024972eSJonas Gorski 30262024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30272024972eSJonas Gorski depends on USE_OF 30282024972eSJonas Gorski bool "Dtb kernel arguments if available" 30292024972eSJonas Gorski 30302024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30312024972eSJonas Gorski depends on USE_OF 30322024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30332024972eSJonas Gorski 30342024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30352024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3036ed47e153SRabin Vincent 3037ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3038ed47e153SRabin Vincent depends on CMDLINE_BOOL 3039ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30402024972eSJonas Gorskiendchoice 30412024972eSJonas Gorski 30425e83d430SRalf Baechleendmenu 30435e83d430SRalf Baechle 30441df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30451df0f0ffSAtsushi Nemoto bool 30461df0f0ffSAtsushi Nemoto default y 30471df0f0ffSAtsushi Nemoto 30481df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30491df0f0ffSAtsushi Nemoto bool 30501df0f0ffSAtsushi Nemoto default y 30511df0f0ffSAtsushi Nemoto 3052a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3053a728ab52SKirill A. Shutemov int 30543377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3055a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3056a728ab52SKirill A. Shutemov default 2 3057a728ab52SKirill A. Shutemov 30586c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30596c359eb1SPaul Burton bool 30606c359eb1SPaul Burton 30611da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30621da177e4SLinus Torvalds 3063c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30642eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3065c5611df9SPaul Burton bool 3066c5611df9SPaul Burton 3067c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3068c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3069c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30702eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30711da177e4SLinus Torvalds 30721da177e4SLinus Torvalds# 30731da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30741da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30751da177e4SLinus Torvalds# users to choose the right thing ... 30761da177e4SLinus Torvalds# 30771da177e4SLinus Torvaldsconfig ISA 30781da177e4SLinus Torvalds bool 30791da177e4SLinus Torvalds 30801da177e4SLinus Torvaldsconfig TC 30811da177e4SLinus Torvalds bool "TURBOchannel support" 30821da177e4SLinus Torvalds depends on MACH_DECSTATION 30831da177e4SLinus Torvalds help 308450a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 308550a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 308650a23e6eSJustin P. Mattock at: 308750a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 308850a23e6eSJustin P. Mattock and: 308950a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 309050a23e6eSJustin P. Mattock Linux driver support status is documented at: 309150a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30921da177e4SLinus Torvalds 30931da177e4SLinus Torvaldsconfig MMU 30941da177e4SLinus Torvalds bool 30951da177e4SLinus Torvalds default y 30961da177e4SLinus Torvalds 3097109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3098109c32ffSMatt Redfearn default 12 if 64BIT 3099109c32ffSMatt Redfearn default 8 3100109c32ffSMatt Redfearn 3101109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3102109c32ffSMatt Redfearn default 18 if 64BIT 3103109c32ffSMatt Redfearn default 15 3104109c32ffSMatt Redfearn 3105109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3106109c32ffSMatt Redfearn default 8 3107109c32ffSMatt Redfearn 3108109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3109109c32ffSMatt Redfearn default 15 3110109c32ffSMatt Redfearn 3111d865bea4SRalf Baechleconfig I8253 3112d865bea4SRalf Baechle bool 3113798778b8SRussell King select CLKSRC_I8253 31142d02612fSThomas Gleixner select CLKEVT_I8253 31159726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3116d865bea4SRalf Baechle 3117e05eb3f8SRalf Baechleconfig ZONE_DMA 3118e05eb3f8SRalf Baechle bool 3119e05eb3f8SRalf Baechle 3120cce335aeSRalf Baechleconfig ZONE_DMA32 3121cce335aeSRalf Baechle bool 3122cce335aeSRalf Baechle 31231da177e4SLinus Torvaldsendmenu 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31261da177e4SLinus Torvalds bool 31271da177e4SLinus Torvalds 31281da177e4SLinus Torvaldsconfig MIPS32_COMPAT 312978aaf956SRalf Baechle bool 31301da177e4SLinus Torvalds 31311da177e4SLinus Torvaldsconfig COMPAT 31321da177e4SLinus Torvalds bool 31331da177e4SLinus Torvalds 313405e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 313505e43966SAtsushi Nemoto bool 313605e43966SAtsushi Nemoto 31371da177e4SLinus Torvaldsconfig MIPS32_O32 31381da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 313978aaf956SRalf Baechle depends on 64BIT 314078aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 314178aaf956SRalf Baechle select COMPAT 314278aaf956SRalf Baechle select MIPS32_COMPAT 314378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31441da177e4SLinus Torvalds help 31451da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31461da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31471da177e4SLinus Torvalds existing binaries are in this format. 31481da177e4SLinus Torvalds 31491da177e4SLinus Torvalds If unsure, say Y. 31501da177e4SLinus Torvalds 31511da177e4SLinus Torvaldsconfig MIPS32_N32 31521da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3153c22eacfeSRalf Baechle depends on 64BIT 31545a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 315578aaf956SRalf Baechle select COMPAT 315678aaf956SRalf Baechle select MIPS32_COMPAT 315778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31581da177e4SLinus Torvalds help 31591da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31601da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31611da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31621da177e4SLinus Torvalds cases. 31631da177e4SLinus Torvalds 31641da177e4SLinus Torvalds If unsure, say N. 31651da177e4SLinus Torvalds 31661da177e4SLinus Torvaldsconfig BINFMT_ELF32 31671da177e4SLinus Torvalds bool 31681da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3169f43edca7SRalf Baechle select ELFCORE 31701da177e4SLinus Torvalds 31712116245eSRalf Baechlemenu "Power management options" 3172952fa954SRodolfo Giometti 3173363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3174363c55caSWu Zhangjin def_bool y 31753f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3176363c55caSWu Zhangjin 3177f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3178f4cb5700SJohannes Berg def_bool y 31793f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3180f4cb5700SJohannes Berg 31812116245eSRalf Baechlesource "kernel/power/Kconfig" 3182952fa954SRodolfo Giometti 31831da177e4SLinus Torvaldsendmenu 31841da177e4SLinus Torvalds 31857a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31867a998935SViresh Kumar bool 31877a998935SViresh Kumar 31887a998935SViresh Kumarmenu "CPU Power Management" 3189c095ebafSPaul Burton 3190c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31917a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31927a998935SViresh Kumarendif 31939726b43aSWu Zhangjin 3194c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3195c095ebafSPaul Burton 3196c095ebafSPaul Burtonendmenu 3197c095ebafSPaul Burton 319898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 319998cdee0eSRalf Baechle 32002235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3201