1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 512597988SMatt Redfearn select ARCH_BINFMT_ELF_STATE 612597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 712597988SMatt Redfearn select ARCH_DISCARD_MEMBLOCK 812597988SMatt Redfearn select ARCH_HAS_ELF_RANDOMIZE 912597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 1012597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 111ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1212597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1325da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 140b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 1512597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1612597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1712597988SMatt Redfearn select CLONE_BACKWARDS 1812597988SMatt Redfearn select CPU_PM if CPU_IDLE 19dffbfde7SChristoph Hellwig select DMA_DIRECT_OPS 2012597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2112597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2212597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2312597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2412597988SMatt Redfearn select GENERIC_IRQ_PROBE 2512597988SMatt Redfearn select GENERIC_IRQ_SHOW 26740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 27740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 28740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 29740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 30740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3112597988SMatt Redfearn select GENERIC_PCI_IOMAP 3212597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3312597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3412597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 3512597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 3612597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 3788547001SJason Wessel select HAVE_ARCH_KGDB 38109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 39109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 40490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 41c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4212597988SMatt Redfearn select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 43f381bf6dSDavid Daney select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS) 44f381bf6dSDavid Daney select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS) 4512597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 4612597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 4764575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 4812597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 4912597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5012597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5112597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5212597988SMatt Redfearn select HAVE_EXIT_THREAD 5312597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5429c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5512597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5612597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 5712597988SMatt Redfearn select HAVE_IDE 5812597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 5912597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 60c1bf207dSDavid Daney select HAVE_KPROBES 61c1bf207dSDavid Daney select HAVE_KRETPROBES 629d15ffc8STejun Heo select HAVE_MEMBLOCK 639d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 64786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6542a0bb3fSPetr Mladek select HAVE_NMI 6612597988SMatt Redfearn select HAVE_OPROFILE 6712597988SMatt Redfearn select HAVE_PERF_EVENTS 6808bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 699ea141adSPaul Burton select HAVE_RSEQ 70d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7112597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 72a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 7312597988SMatt Redfearn select IRQ_FORCED_THREADING 7412597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 7512597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 7612597988SMatt Redfearn select PERF_USE_VMALLOC 7712597988SMatt Redfearn select RTC_LIB if !MACH_LOONGSON64 7812597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 7912597988SMatt Redfearn select VIRT_TO_BUS 801da177e4SLinus Torvalds 811da177e4SLinus Torvaldsmenu "Machine selection" 821da177e4SLinus Torvalds 835e83d430SRalf Baechlechoice 845e83d430SRalf Baechle prompt "System type" 85d41e6858SMatt Redfearn default MIPS_GENERIC 861da177e4SLinus Torvalds 87eed0eabdSPaul Burtonconfig MIPS_GENERIC 88eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 89eed0eabdSPaul Burton select BOOT_RAW 90eed0eabdSPaul Burton select BUILTIN_DTB 91eed0eabdSPaul Burton select CEVT_R4K 92eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 93eed0eabdSPaul Burton select COMMON_CLK 94eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 95eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 96eed0eabdSPaul Burton select CSRC_R4K 97eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 98eed0eabdSPaul Burton select HW_HAS_PCI 99eed0eabdSPaul Burton select IRQ_MIPS_CPU 100eed0eabdSPaul Burton select LIBFDT 101eed0eabdSPaul Burton select MIPS_CPU_SCACHE 102eed0eabdSPaul Burton select MIPS_GIC 103eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 104eed0eabdSPaul Burton select NO_EXCEPT_FILL 105eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 106eed0eabdSPaul Burton select PINCTRL 107eed0eabdSPaul Burton select SMP_UP if SMP 108a3078e59SMatt Redfearn select SWAP_IO_SPACE 109eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 110eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 111eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 112eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 113eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 114eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 115eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 116eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 117eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 118eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 119eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 120eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 121eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 122eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 123eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 124eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 125eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1262e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1272e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1282e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1292e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1302e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1312e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 132eed0eabdSPaul Burton select USE_OF 133eed0eabdSPaul Burton help 134eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 135eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 136eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 137eed0eabdSPaul Burton Interface) specification. 138eed0eabdSPaul Burton 13942a4f17dSManuel Laussconfig MIPS_ALCHEMY 140c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 141d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 142f772cdb2SRalf Baechle select CEVT_R4K 143d7ea335cSSteven J. Hill select CSRC_R4K 14467e38cf2SRalf Baechle select IRQ_MIPS_CPU 14588e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 14642a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 14742a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 14842a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 149d30a2b47SLinus Walleij select GPIOLIB 1501b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15147440229SManuel Lauss select COMMON_CLK 1521da177e4SLinus Torvalds 1537ca5dc14SFlorian Fainelliconfig AR7 1547ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1557ca5dc14SFlorian Fainelli select BOOT_ELF32 1567ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1577ca5dc14SFlorian Fainelli select CEVT_R4K 1587ca5dc14SFlorian Fainelli select CSRC_R4K 15967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1607ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1617ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1627ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1637ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1647ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1657ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 166377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1671b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 168d30a2b47SLinus Walleij select GPIOLIB 1697ca5dc14SFlorian Fainelli select VLYNQ 1708551fb64SYoichi Yuasa select HAVE_CLK 1717ca5dc14SFlorian Fainelli help 1727ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1737ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1747ca5dc14SFlorian Fainelli 17543cc739fSSergey Ryazanovconfig ATH25 17643cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 17743cc739fSSergey Ryazanov select CEVT_R4K 17843cc739fSSergey Ryazanov select CSRC_R4K 17943cc739fSSergey Ryazanov select DMA_NONCOHERENT 18067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1811753e74eSSergey Ryazanov select IRQ_DOMAIN 18243cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 18343cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 18443cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1858aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 18643cc739fSSergey Ryazanov help 18743cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 18843cc739fSSergey Ryazanov 189d4a67d9dSGabor Juhosconfig ATH79 190d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 191ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 192d4a67d9dSGabor Juhos select BOOT_RAW 193d4a67d9dSGabor Juhos select CEVT_R4K 194d4a67d9dSGabor Juhos select CSRC_R4K 195d4a67d9dSGabor Juhos select DMA_NONCOHERENT 196d30a2b47SLinus Walleij select GPIOLIB 19794638067SGabor Juhos select HAVE_CLK 198411520afSAlban Bedel select COMMON_CLK 1992c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 20067e38cf2SRalf Baechle select IRQ_MIPS_CPU 2010aabf1a4SGabor Juhos select MIPS_MACHINE 202d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 203d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 204d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 205d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 206377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 207b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 20803c8c407SAlban Bedel select USE_OF 20953d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 210d4a67d9dSGabor Juhos help 211d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 212d4a67d9dSGabor Juhos 2135f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2145f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 215d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 216d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 217d666cd02SKevin Cernekee select BOOT_RAW 218d666cd02SKevin Cernekee select NO_EXCEPT_FILL 219d666cd02SKevin Cernekee select USE_OF 220d666cd02SKevin Cernekee select CEVT_R4K 221d666cd02SKevin Cernekee select CSRC_R4K 222d666cd02SKevin Cernekee select SYNC_R4K 223d666cd02SKevin Cernekee select COMMON_CLK 224c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 22560b858f2SKevin Cernekee select BCM7038_L1_IRQ 22660b858f2SKevin Cernekee select BCM7120_L2_IRQ 22760b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 22867e38cf2SRalf Baechle select IRQ_MIPS_CPU 22960b858f2SKevin Cernekee select DMA_NONCOHERENT 230d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 23160b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 232d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 233d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 23460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 23560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 23660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 237d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 238d666cd02SKevin Cernekee select SWAP_IO_SPACE 23960b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 24160b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2434dc4704cSJustin Chen select HARDIRQS_SW_RESEND 244d666cd02SKevin Cernekee help 2455f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2465f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2475f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2485f2d4459SKevin Cernekee must be set appropriately for your board. 249d666cd02SKevin Cernekee 2501c0c13ebSAurelien Jarnoconfig BCM47XX 251c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 252fe08f8c2SHauke Mehrtens select BOOT_RAW 25342f77542SRalf Baechle select CEVT_R4K 254940f6b48SRalf Baechle select CSRC_R4K 2551c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2561c0c13ebSAurelien Jarno select HW_HAS_PCI 25767e38cf2SRalf Baechle select IRQ_MIPS_CPU 258314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 259dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2601c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2611c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 262377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2636507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 26425e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 265e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 266c949c0bcSRafał Miłecki select GPIOLIB 267c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 268f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2692ab71a02SRafał Miłecki select BCM47XX_SPROM 270dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2711c0c13ebSAurelien Jarno help 2721c0c13ebSAurelien Jarno Support for BCM47XX based boards 2731c0c13ebSAurelien Jarno 274e7300d04SMaxime Bizonconfig BCM63XX 275e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 276ae8de61cSFlorian Fainelli select BOOT_RAW 277e7300d04SMaxime Bizon select CEVT_R4K 278e7300d04SMaxime Bizon select CSRC_R4K 279fc264022SJonas Gorski select SYNC_R4K 280e7300d04SMaxime Bizon select DMA_NONCOHERENT 28167e38cf2SRalf Baechle select IRQ_MIPS_CPU 282e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 283e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 284e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 285e7300d04SMaxime Bizon select SWAP_IO_SPACE 286d30a2b47SLinus Walleij select GPIOLIB 2873e82eeebSYoichi Yuasa select HAVE_CLK 288af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 289c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 290e7300d04SMaxime Bizon help 291e7300d04SMaxime Bizon Support for BCM63XX based boards 292e7300d04SMaxime Bizon 2931da177e4SLinus Torvaldsconfig MIPS_COBALT 2943fa986faSMartin Michlmayr bool "Cobalt Server" 29542f77542SRalf Baechle select CEVT_R4K 296940f6b48SRalf Baechle select CSRC_R4K 2971097c6acSYoichi Yuasa select CEVT_GT641XX 2981da177e4SLinus Torvalds select DMA_NONCOHERENT 2991da177e4SLinus Torvalds select HW_HAS_PCI 300d865bea4SRalf Baechle select I8253 3011da177e4SLinus Torvalds select I8259 30267e38cf2SRalf Baechle select IRQ_MIPS_CPU 303d5ab1a69SYoichi Yuasa select IRQ_GT641XX 304252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 305e25bfc92SYoichi Yuasa select PCI 3067cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3070a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 308ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3090e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3105e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 311e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3121da177e4SLinus Torvalds 3131da177e4SLinus Torvaldsconfig MACH_DECSTATION 3143fa986faSMartin Michlmayr bool "DECstations" 3151da177e4SLinus Torvalds select BOOT_ELF32 3166457d9fcSYoichi Yuasa select CEVT_DS1287 31781d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3184247417dSYoichi Yuasa select CSRC_IOASIC 31981d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 32020d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 32120d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 32220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3231da177e4SLinus Torvalds select DMA_NONCOHERENT 324ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 32567e38cf2SRalf Baechle select IRQ_MIPS_CPU 3267cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3277cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 328ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3297d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3305e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3311723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3321723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3331723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 334930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3355e83d430SRalf Baechle help 3361da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3371da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3381da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3391da177e4SLinus Torvalds 3401da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3411da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3421da177e4SLinus Torvalds 3431da177e4SLinus Torvalds DECstation 5000/50 3441da177e4SLinus Torvalds DECstation 5000/150 3451da177e4SLinus Torvalds DECstation 5000/260 3461da177e4SLinus Torvalds DECsystem 5900/260 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvalds otherwise choose R3000. 3491da177e4SLinus Torvalds 3505e83d430SRalf Baechleconfig MACH_JAZZ 3513fa986faSMartin Michlmayr bool "Jazz family of machines" 352a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3537a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3540e2794b0SRalf Baechle select FW_ARC 3550e2794b0SRalf Baechle select FW_ARC32 3565e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 35742f77542SRalf Baechle select CEVT_R4K 358940f6b48SRalf Baechle select CSRC_R4K 359e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3605e83d430SRalf Baechle select GENERIC_ISA_DMA 3618a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 36267e38cf2SRalf Baechle select IRQ_MIPS_CPU 363d865bea4SRalf Baechle select I8253 3645e83d430SRalf Baechle select I8259 3655e83d430SRalf Baechle select ISA 3667cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3675e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3687d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3691723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3701da177e4SLinus Torvalds help 3715e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3725e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 373692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3745e83d430SRalf Baechle Olivetti M700-10 workstations. 3755e83d430SRalf Baechle 376de361e8bSPaul Burtonconfig MACH_INGENIC 377de361e8bSPaul Burton bool "Ingenic SoC based machines" 3785ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3795ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 380f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3815ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 38267e38cf2SRalf Baechle select IRQ_MIPS_CPU 38337b4c3caSPaul Cercueil select PINCTRL 384d30a2b47SLinus Walleij select GPIOLIB 385ff1930c6SPaul Burton select COMMON_CLK 38683bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 387ffb1843dSPaul Burton select BUILTIN_DTB 388ffb1843dSPaul Burton select USE_OF 3896ec127fbSPaul Burton select LIBFDT 3905ebabe59SLars-Peter Clausen 391171bb2f1SJohn Crispinconfig LANTIQ 392171bb2f1SJohn Crispin bool "Lantiq based platforms" 393171bb2f1SJohn Crispin select DMA_NONCOHERENT 39467e38cf2SRalf Baechle select IRQ_MIPS_CPU 395171bb2f1SJohn Crispin select CEVT_R4K 396171bb2f1SJohn Crispin select CSRC_R4K 397171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 398171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 399171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 400171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 401377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 402171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 403f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 404171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 405d30a2b47SLinus Walleij select GPIOLIB 406171bb2f1SJohn Crispin select SWAP_IO_SPACE 407171bb2f1SJohn Crispin select BOOT_RAW 408287e3f3fSJohn Crispin select CLKDEV_LOOKUP 409a0392222SJohn Crispin select USE_OF 4103f8c50c9SJohn Crispin select PINCTRL 4113f8c50c9SJohn Crispin select PINCTRL_LANTIQ 412c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 413c530781cSJohn Crispin select RESET_CONTROLLER 414171bb2f1SJohn Crispin 4151f21d2bdSBrian Murphyconfig LASAT 4161f21d2bdSBrian Murphy bool "LASAT Networks platforms" 41742f77542SRalf Baechle select CEVT_R4K 41816f0bbbcSRalf Baechle select CRC32 419940f6b48SRalf Baechle select CSRC_R4K 4201f21d2bdSBrian Murphy select DMA_NONCOHERENT 4211f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 4221f21d2bdSBrian Murphy select HW_HAS_PCI 42367e38cf2SRalf Baechle select IRQ_MIPS_CPU 4241f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4251f21d2bdSBrian Murphy select MIPS_NILE4 4261f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4271f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4281f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4291f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4301f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4311f21d2bdSBrian Murphy 43230ad29bbSHuacai Chenconfig MACH_LOONGSON32 43330ad29bbSHuacai Chen bool "Loongson-1 family of machines" 434c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 435ade299d8SYoichi Yuasa help 43630ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 43785749d24SWu Zhangjin 43830ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 43930ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44030ad29bbSHuacai Chen Sciences (CAS). 441ade299d8SYoichi Yuasa 44230ad29bbSHuacai Chenconfig MACH_LOONGSON64 44330ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 444ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 445ca585cf9SKelvin Cheung help 44630ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 447ca585cf9SKelvin Cheung 44830ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 44930ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 45030ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 45130ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 45230ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 45330ad29bbSHuacai Chen Weiwu Hu. 454ca585cf9SKelvin Cheung 4556a438309SAndrew Brestickerconfig MACH_PISTACHIO 4566a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4576a438309SAndrew Bresticker select BOOT_ELF32 4586a438309SAndrew Bresticker select BOOT_RAW 4596a438309SAndrew Bresticker select CEVT_R4K 4606a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4616a438309SAndrew Bresticker select COMMON_CLK 4626a438309SAndrew Bresticker select CSRC_R4K 463645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 464d30a2b47SLinus Walleij select GPIOLIB 46567e38cf2SRalf Baechle select IRQ_MIPS_CPU 4666a438309SAndrew Bresticker select LIBFDT 4676a438309SAndrew Bresticker select MFD_SYSCON 4686a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4696a438309SAndrew Bresticker select MIPS_GIC 4706a438309SAndrew Bresticker select PINCTRL 4716a438309SAndrew Bresticker select REGULATOR 4726a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4736a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4746a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4756a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4766a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 47741cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4786a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 479018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 480018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4816a438309SAndrew Bresticker select USE_OF 4826a438309SAndrew Bresticker help 4836a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4846a438309SAndrew Bresticker 4851da177e4SLinus Torvaldsconfig MIPS_MALTA 4863fa986faSMartin Michlmayr bool "MIPS Malta board" 48761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 488a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4897a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4901da177e4SLinus Torvalds select BOOT_ELF32 491fa71c960SRalf Baechle select BOOT_RAW 492e8823d26SPaul Burton select BUILTIN_DTB 49342f77542SRalf Baechle select CEVT_R4K 494940f6b48SRalf Baechle select CSRC_R4K 495fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 49642b002abSGuenter Roeck select COMMON_CLK 497885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4981da177e4SLinus Torvalds select GENERIC_ISA_DMA 4998a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 50067e38cf2SRalf Baechle select IRQ_MIPS_CPU 5018a19b8f1SAndrew Bresticker select MIPS_GIC 5021da177e4SLinus Torvalds select HW_HAS_PCI 503d865bea4SRalf Baechle select I8253 5041da177e4SLinus Torvalds select I8259 5055e83d430SRalf Baechle select MIPS_BONITO64 5069318c51aSChris Dearman select MIPS_CPU_SCACHE 507a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 508252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 5095e83d430SRalf Baechle select MIPS_MSC 510ecafe3e9SPaul Burton select SMP_UP if SMP 5111da177e4SLinus Torvalds select SWAP_IO_SPACE 5127cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5137cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 514bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 515c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 516575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5177cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5185d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 519575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5207cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5217cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 522ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 523ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 525c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5265e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 527424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 5280365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 529e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 530377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 531f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 5329693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 533f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5341b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 5358c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 536e8823d26SPaul Burton select USE_OF 53738ec82feSPaul Burton select LIBFDT 538abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 539e81a8c7dSPaul Burton select BUILTIN_DTB 540e81a8c7dSPaul Burton select LIBFDT 5411da177e4SLinus Torvalds help 542f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5431da177e4SLinus Torvalds board. 5441da177e4SLinus Torvalds 5452572f00dSJoshua Hendersonconfig MACH_PIC32 5462572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5472572f00dSJoshua Henderson help 5482572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5492572f00dSJoshua Henderson 5502572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5512572f00dSJoshua Henderson microcontrollers. 5522572f00dSJoshua Henderson 553a83860c2SRalf Baechleconfig NEC_MARKEINS 554a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 555a83860c2SRalf Baechle select SOC_EMMA2RH 556a83860c2SRalf Baechle select HW_HAS_PCI 557a83860c2SRalf Baechle help 558a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 559ade299d8SYoichi Yuasa 5605e83d430SRalf Baechleconfig MACH_VR41XX 56174142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 56242f77542SRalf Baechle select CEVT_R4K 563940f6b48SRalf Baechle select CSRC_R4K 5647cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 565377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 566d30a2b47SLinus Walleij select GPIOLIB 5675e83d430SRalf Baechle 568edb6310aSDaniel Lairdconfig NXP_STB220 569edb6310aSDaniel Laird bool "NXP STB220 board" 570edb6310aSDaniel Laird select SOC_PNX833X 571edb6310aSDaniel Laird help 572edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 573edb6310aSDaniel Laird 574edb6310aSDaniel Lairdconfig NXP_STB225 575edb6310aSDaniel Laird bool "NXP 225 board" 576edb6310aSDaniel Laird select SOC_PNX833X 577edb6310aSDaniel Laird select SOC_PNX8335 578edb6310aSDaniel Laird help 579edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 580edb6310aSDaniel Laird 5819267a30dSMarc St-Jeanconfig PMC_MSP 5829267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 58339d30c13SAnoop P A select CEVT_R4K 58439d30c13SAnoop P A select CSRC_R4K 5859267a30dSMarc St-Jean select DMA_NONCOHERENT 5869267a30dSMarc St-Jean select SWAP_IO_SPACE 5879267a30dSMarc St-Jean select NO_EXCEPT_FILL 5889267a30dSMarc St-Jean select BOOT_RAW 5899267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5909267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5919267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5929267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 593377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 59467e38cf2SRalf Baechle select IRQ_MIPS_CPU 5959267a30dSMarc St-Jean select SERIAL_8250 5969267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5979296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5989296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5999267a30dSMarc St-Jean help 6009267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6019267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6029267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6039267a30dSMarc St-Jean a variety of MIPS cores. 6049267a30dSMarc St-Jean 605ae2b5bb6SJohn Crispinconfig RALINK 606ae2b5bb6SJohn Crispin bool "Ralink based machines" 607ae2b5bb6SJohn Crispin select CEVT_R4K 608ae2b5bb6SJohn Crispin select CSRC_R4K 609ae2b5bb6SJohn Crispin select BOOT_RAW 610ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61167e38cf2SRalf Baechle select IRQ_MIPS_CPU 612ae2b5bb6SJohn Crispin select USE_OF 613ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 614ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 615ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 616ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 617377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 618ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 619ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6202a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6212a153f1cSJohn Crispin select RESET_CONTROLLER 622ae2b5bb6SJohn Crispin 6231da177e4SLinus Torvaldsconfig SGI_IP22 6243fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6250e2794b0SRalf Baechle select FW_ARC 6260e2794b0SRalf Baechle select FW_ARC32 6277a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6281da177e4SLinus Torvalds select BOOT_ELF32 62942f77542SRalf Baechle select CEVT_R4K 630940f6b48SRalf Baechle select CSRC_R4K 631e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6321da177e4SLinus Torvalds select DMA_NONCOHERENT 6335e83d430SRalf Baechle select HW_HAS_EISA 634d865bea4SRalf Baechle select I8253 63568de4803SThomas Bogendoerfer select I8259 6361da177e4SLinus Torvalds select IP22_CPU_SCACHE 63767e38cf2SRalf Baechle select IRQ_MIPS_CPU 638aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 639e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 640e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 642e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 643e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 644e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6451da177e4SLinus Torvalds select SWAP_IO_SPACE 6467cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6477cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6482b5e63f6SMartin Michlmayr # 6492b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6502b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6512b5e63f6SMartin Michlmayr # 6522b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6532b5e63f6SMartin Michlmayr # for a more details discussion 6542b5e63f6SMartin Michlmayr # 6552b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 656ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 657ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6585e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 659930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6601da177e4SLinus Torvalds help 6611da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6621da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6631da177e4SLinus Torvalds that runs on these, say Y here. 6641da177e4SLinus Torvalds 6651da177e4SLinus Torvaldsconfig SGI_IP27 6663fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 66754aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 6680e2794b0SRalf Baechle select FW_ARC 6690e2794b0SRalf Baechle select FW_ARC64 6705e83d430SRalf Baechle select BOOT_ELF64 671e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 67236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6731da177e4SLinus Torvalds select HW_HAS_PCI 674130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6757cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 676ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6775e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 678d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6791a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 680930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6811da177e4SLinus Torvalds help 6821da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6831da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6841da177e4SLinus Torvalds here. 6851da177e4SLinus Torvalds 686e2defae5SThomas Bogendoerferconfig SGI_IP28 6877d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6880e2794b0SRalf Baechle select FW_ARC 6890e2794b0SRalf Baechle select FW_ARC64 6907a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 691e2defae5SThomas Bogendoerfer select BOOT_ELF64 692e2defae5SThomas Bogendoerfer select CEVT_R4K 693e2defae5SThomas Bogendoerfer select CSRC_R4K 694e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 695e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 696e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 69767e38cf2SRalf Baechle select IRQ_MIPS_CPU 698e2defae5SThomas Bogendoerfer select HW_HAS_EISA 699e2defae5SThomas Bogendoerfer select I8253 700e2defae5SThomas Bogendoerfer select I8259 701e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 702e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7035b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 704e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 705e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 706e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 707e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 708e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7092b5e63f6SMartin Michlmayr # 7102b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7112b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7122b5e63f6SMartin Michlmayr # 7132b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7142b5e63f6SMartin Michlmayr # for a more details discussion 7152b5e63f6SMartin Michlmayr # 7162b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 717e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 718e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 719dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 720e2defae5SThomas Bogendoerfer help 721e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 722e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 723e2defae5SThomas Bogendoerfer 7241da177e4SLinus Torvaldsconfig SGI_IP32 725cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 72603df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7270e2794b0SRalf Baechle select FW_ARC 7280e2794b0SRalf Baechle select FW_ARC32 7291da177e4SLinus Torvalds select BOOT_ELF32 73042f77542SRalf Baechle select CEVT_R4K 731940f6b48SRalf Baechle select CSRC_R4K 7321da177e4SLinus Torvalds select DMA_NONCOHERENT 7331da177e4SLinus Torvalds select HW_HAS_PCI 73467e38cf2SRalf Baechle select IRQ_MIPS_CPU 7351da177e4SLinus Torvalds select R5000_CPU_SCACHE 7361da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7377cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7387cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7397cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 740dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 741ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7425e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7431da177e4SLinus Torvalds help 7441da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7451da177e4SLinus Torvalds 746ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 747ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7485e83d430SRalf Baechle select BOOT_ELF32 7495e83d430SRalf Baechle select SIBYTE_BCM1120 7505e83d430SRalf Baechle select SWAP_IO_SPACE 7517cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7525e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7535e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7545e83d430SRalf Baechle 755ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 756ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7575e83d430SRalf Baechle select BOOT_ELF32 7585e83d430SRalf Baechle select SIBYTE_BCM1120 7595e83d430SRalf Baechle select SWAP_IO_SPACE 7607cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7615e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7625e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7635e83d430SRalf Baechle 7645e83d430SRalf Baechleconfig SIBYTE_CRHONE 7653fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7665e83d430SRalf Baechle select BOOT_ELF32 7675e83d430SRalf Baechle select SIBYTE_BCM1125 7685e83d430SRalf Baechle select SWAP_IO_SPACE 7697cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7705e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7715e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7735e83d430SRalf Baechle 774ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 775ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 776ade299d8SYoichi Yuasa select BOOT_ELF32 777ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 778ade299d8SYoichi Yuasa select SWAP_IO_SPACE 779ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 780ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 781ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 782ade299d8SYoichi Yuasa 783ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 784ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 785ade299d8SYoichi Yuasa select BOOT_ELF32 786fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 787ade299d8SYoichi Yuasa select SIBYTE_SB1250 788ade299d8SYoichi Yuasa select SWAP_IO_SPACE 789ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 790ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 791ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 792ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 793cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 794ade299d8SYoichi Yuasa 795ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 796ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 797ade299d8SYoichi Yuasa select BOOT_ELF32 798fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 799ade299d8SYoichi Yuasa select SIBYTE_SB1250 800ade299d8SYoichi Yuasa select SWAP_IO_SPACE 801ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 802ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 803ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 804ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 805ade299d8SYoichi Yuasa 806ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 807ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 808ade299d8SYoichi Yuasa select BOOT_ELF32 809ade299d8SYoichi Yuasa select SIBYTE_SB1250 810ade299d8SYoichi Yuasa select SWAP_IO_SPACE 811ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 812ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 813ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 814ade299d8SYoichi Yuasa 815ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 816ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 817ade299d8SYoichi Yuasa select BOOT_ELF32 818ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 819ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 820ade299d8SYoichi Yuasa select SWAP_IO_SPACE 821ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 822ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 823651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 824ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 825cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 826ade299d8SYoichi Yuasa 82714b36af4SThomas Bogendoerferconfig SNI_RM 82814b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8290e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8300e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 831aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8325e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 833a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8347a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8355e83d430SRalf Baechle select BOOT_ELF32 83642f77542SRalf Baechle select CEVT_R4K 837940f6b48SRalf Baechle select CSRC_R4K 838e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8395e83d430SRalf Baechle select DMA_NONCOHERENT 8405e83d430SRalf Baechle select GENERIC_ISA_DMA 8418a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8425e83d430SRalf Baechle select HW_HAS_EISA 8435e83d430SRalf Baechle select HW_HAS_PCI 84467e38cf2SRalf Baechle select IRQ_MIPS_CPU 845d865bea4SRalf Baechle select I8253 8465e83d430SRalf Baechle select I8259 8475e83d430SRalf Baechle select ISA 8484a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8497cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8504a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 851c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8524a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 85336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 854ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8557d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8564a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8575e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8585e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8591da177e4SLinus Torvalds help 86014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8625e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8635e83d430SRalf Baechle support this machine type. 8641da177e4SLinus Torvalds 865edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 866edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8675e83d430SRalf Baechle 868edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 869edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87023fbee9dSRalf Baechle 87173b4390fSRalf Baechleconfig MIKROTIK_RB532 87273b4390fSRalf Baechle bool "Mikrotik RB532 boards" 87373b4390fSRalf Baechle select CEVT_R4K 87473b4390fSRalf Baechle select CSRC_R4K 87573b4390fSRalf Baechle select DMA_NONCOHERENT 87673b4390fSRalf Baechle select HW_HAS_PCI 87767e38cf2SRalf Baechle select IRQ_MIPS_CPU 87873b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 87973b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88073b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88173b4390fSRalf Baechle select SWAP_IO_SPACE 88273b4390fSRalf Baechle select BOOT_RAW 883d30a2b47SLinus Walleij select GPIOLIB 884930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 88573b4390fSRalf Baechle help 88673b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 88773b4390fSRalf Baechle based on the IDT RC32434 SoC. 88873b4390fSRalf Baechle 8899ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8909ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 891a86c7f72SDavid Daney select CEVT_R4K 892ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 893*491ec155SAlexander Sverdlin select HAS_RAPIDIO 894d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 895a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 896a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 897f65aad41SRalf Baechle select EDAC_SUPPORT 898b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 89973569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90073569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 901a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9025e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 903e8635b48SDavid Daney select HW_HAS_PCI 904f00e001eSDavid Daney select ZONE_DMA32 905465aaed0SDavid Daney select HOLES_IN_ZONE 906d30a2b47SLinus Walleij select GPIOLIB 9076e511163SDavid Daney select LIBFDT 9086e511163SDavid Daney select USE_OF 9096e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9106e511163SDavid Daney select SYS_SUPPORTS_SMP 9117820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9127820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 913e326479fSAndrew Bresticker select BUILTIN_DTB 9148c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 91509230cbcSChristoph Hellwig select SWIOTLB 9163ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 917a86c7f72SDavid Daney help 918a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 919a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 920a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 921a86c7f72SDavid Daney Some of the supported boards are: 922a86c7f72SDavid Daney EBT3000 923a86c7f72SDavid Daney EBH3000 924a86c7f72SDavid Daney EBH3100 925a86c7f72SDavid Daney Thunder 926a86c7f72SDavid Daney Kodama 927a86c7f72SDavid Daney Hikari 928a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 929a86c7f72SDavid Daney 9307f058e85SJayachandran Cconfig NLM_XLR_BOARD 9317f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9327f058e85SJayachandran C select BOOT_ELF32 9337f058e85SJayachandran C select NLM_COMMON 9347f058e85SJayachandran C select SYS_HAS_CPU_XLR 9357f058e85SJayachandran C select SYS_SUPPORTS_SMP 9367f058e85SJayachandran C select HW_HAS_PCI 9377f058e85SJayachandran C select SWAP_IO_SPACE 9387f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9397f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 940d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9417f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9427f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9437f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9447f058e85SJayachandran C select CEVT_R4K 9457f058e85SJayachandran C select CSRC_R4K 94667e38cf2SRalf Baechle select IRQ_MIPS_CPU 947b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9487f058e85SJayachandran C select SYNC_R4K 9497f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9508f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9518f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9527f058e85SJayachandran C help 9537f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9547f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9557f058e85SJayachandran C 9561c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9571c773ea4SJayachandran C bool "Netlogic XLP based systems" 9581c773ea4SJayachandran C select BOOT_ELF32 9591c773ea4SJayachandran C select NLM_COMMON 9601c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9611c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9621c773ea4SJayachandran C select HW_HAS_PCI 9631c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9641c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 965d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 966d30a2b47SLinus Walleij select GPIOLIB 9671c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9681c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9691c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9701c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9711c773ea4SJayachandran C select CEVT_R4K 9721c773ea4SJayachandran C select CSRC_R4K 97367e38cf2SRalf Baechle select IRQ_MIPS_CPU 974b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9751c773ea4SJayachandran C select SYNC_R4K 9761c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9772f6528e1SJayachandran C select USE_OF 9788f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9798f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9801c773ea4SJayachandran C help 9811c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9821c773ea4SJayachandran C Say Y here if you have a XLP based board. 9831c773ea4SJayachandran C 9849bc463beSDavid Daneyconfig MIPS_PARAVIRT 9859bc463beSDavid Daney bool "Para-Virtualized guest system" 9869bc463beSDavid Daney select CEVT_R4K 9879bc463beSDavid Daney select CSRC_R4K 9889bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9899bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9909bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9919bc463beSDavid Daney select SYS_SUPPORTS_SMP 9929bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9939bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9949bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9959bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9969bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9979bc463beSDavid Daney select HW_HAS_PCI 9989bc463beSDavid Daney select SWAP_IO_SPACE 9999bc463beSDavid Daney help 10009bc463beSDavid Daney This option supports guest running under ???? 10019bc463beSDavid Daney 10021da177e4SLinus Torvaldsendchoice 10031da177e4SLinus Torvalds 1004e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10053b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1006d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1007a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1008e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10098945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1010eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10115e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10125ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10138ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10141f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10152572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1016af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10170f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1018ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 101929c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102038b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102122b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10225e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1023a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102430ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102530ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10267f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1027ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 102838b18f72SRalf Baechle 10295e83d430SRalf Baechleendmenu 10305e83d430SRalf Baechle 10311da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10321da177e4SLinus Torvalds bool 10331da177e4SLinus Torvalds default y 10341da177e4SLinus Torvalds 10351da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10361da177e4SLinus Torvalds bool 10371da177e4SLinus Torvalds 10383c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10393c9ee7efSAkinobu Mita bool 10403c9ee7efSAkinobu Mita default y 10413c9ee7efSAkinobu Mita 10421da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10431da177e4SLinus Torvalds bool 10441da177e4SLinus Torvalds default y 10451da177e4SLinus Torvalds 1046ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10471cc89038SAtsushi Nemoto bool 10481cc89038SAtsushi Nemoto default y 10491cc89038SAtsushi Nemoto 10501da177e4SLinus Torvalds# 10511da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10521da177e4SLinus Torvalds# 10530e2794b0SRalf Baechleconfig FW_ARC 10541da177e4SLinus Torvalds bool 10551da177e4SLinus Torvalds 105661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 105761ed242dSRalf Baechle bool 105861ed242dSRalf Baechle 10599267a30dSMarc St-Jeanconfig BOOT_RAW 10609267a30dSMarc St-Jean bool 10619267a30dSMarc St-Jean 1062217dd11eSRalf Baechleconfig CEVT_BCM1480 1063217dd11eSRalf Baechle bool 1064217dd11eSRalf Baechle 10656457d9fcSYoichi Yuasaconfig CEVT_DS1287 10666457d9fcSYoichi Yuasa bool 10676457d9fcSYoichi Yuasa 10681097c6acSYoichi Yuasaconfig CEVT_GT641XX 10691097c6acSYoichi Yuasa bool 10701097c6acSYoichi Yuasa 107142f77542SRalf Baechleconfig CEVT_R4K 107242f77542SRalf Baechle bool 107342f77542SRalf Baechle 1074217dd11eSRalf Baechleconfig CEVT_SB1250 1075217dd11eSRalf Baechle bool 1076217dd11eSRalf Baechle 1077229f773eSAtsushi Nemotoconfig CEVT_TXX9 1078229f773eSAtsushi Nemoto bool 1079229f773eSAtsushi Nemoto 1080217dd11eSRalf Baechleconfig CSRC_BCM1480 1081217dd11eSRalf Baechle bool 1082217dd11eSRalf Baechle 10834247417dSYoichi Yuasaconfig CSRC_IOASIC 10844247417dSYoichi Yuasa bool 10854247417dSYoichi Yuasa 1086940f6b48SRalf Baechleconfig CSRC_R4K 1087940f6b48SRalf Baechle bool 1088940f6b48SRalf Baechle 1089217dd11eSRalf Baechleconfig CSRC_SB1250 1090217dd11eSRalf Baechle bool 1091217dd11eSRalf Baechle 1092a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1093a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1094a7f4df4eSAlex Smith 1095a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1096d30a2b47SLinus Walleij select GPIOLIB 1097a9aec7feSAtsushi Nemoto bool 1098a9aec7feSAtsushi Nemoto 10990e2794b0SRalf Baechleconfig FW_CFE 1100df78b5c8SAurelien Jarno bool 1101df78b5c8SAurelien Jarno 110240e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 110340e084a5SRalf Baechle bool 110440e084a5SRalf Baechle 1105885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1106885014bcSFelix Fietkau select DMA_NONCOHERENT 1107885014bcSFelix Fietkau bool 1108885014bcSFelix Fietkau 110920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 111020d33064SPaul Burton bool 111120d33064SPaul Burton select DMA_MAYBE_COHERENT 111220d33064SPaul Burton 11131da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11141da177e4SLinus Torvalds bool 1115f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1116f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU 1117e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 1118f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_MMAP 1119f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 112028f512d9SChristoph Hellwig select DMA_NONCOHERENT_OPS 11214ce588cdSRalf Baechle 112236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11231da177e4SLinus Torvalds bool 11241da177e4SLinus Torvalds 11251b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1126dbb74540SRalf Baechle bool 1127dbb74540SRalf Baechle 11281da177e4SLinus Torvaldsconfig MIPS_BONITO64 11291da177e4SLinus Torvalds bool 11301da177e4SLinus Torvalds 11311da177e4SLinus Torvaldsconfig MIPS_MSC 11321da177e4SLinus Torvalds bool 11331da177e4SLinus Torvalds 11341f21d2bdSBrian Murphyconfig MIPS_NILE4 11351f21d2bdSBrian Murphy bool 11361f21d2bdSBrian Murphy 113739b8d525SRalf Baechleconfig SYNC_R4K 113839b8d525SRalf Baechle bool 113939b8d525SRalf Baechle 1140487d70d0SGabor Juhosconfig MIPS_MACHINE 1141487d70d0SGabor Juhos def_bool n 1142487d70d0SGabor Juhos 1143ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1144d388d685SMaciej W. Rozycki def_bool n 1145d388d685SMaciej W. Rozycki 11464e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11474e0748f5SMarkos Chandras bool 11484e0748f5SMarkos Chandras 11498313da30SRalf Baechleconfig GENERIC_ISA_DMA 11508313da30SRalf Baechle bool 11518313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1152a35bee8aSNamhyung Kim select ISA_DMA_API 11538313da30SRalf Baechle 1154aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1155aa414dffSRalf Baechle bool 11568313da30SRalf Baechle select GENERIC_ISA_DMA 1157aa414dffSRalf Baechle 1158a35bee8aSNamhyung Kimconfig ISA_DMA_API 1159a35bee8aSNamhyung Kim bool 1160a35bee8aSNamhyung Kim 1161465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1162465aaed0SDavid Daney bool 1163465aaed0SDavid Daney 11648c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11658c530ea3SMatt Redfearn bool 11668c530ea3SMatt Redfearn help 11678c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11688c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11698c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11708c530ea3SMatt Redfearn 1171f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1172f381bf6dSDavid Daney def_bool y 1173f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1174f381bf6dSDavid Daney 1175f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1176f381bf6dSDavid Daney def_bool y 1177f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1178f381bf6dSDavid Daney 1179f381bf6dSDavid Daney 11805e83d430SRalf Baechle# 11816b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11825e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11835e83d430SRalf Baechle# choice statement should be more obvious to the user. 11845e83d430SRalf Baechle# 11855e83d430SRalf Baechlechoice 11866b2aac42SMasanari Iida prompt "Endianness selection" 11871da177e4SLinus Torvalds help 11881da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11895e83d430SRalf Baechle byte order. These modes require different kernels and a different 11903cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11915e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11923dde6ad8SDavid Sterba one or the other endianness. 11935e83d430SRalf Baechle 11945e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11955e83d430SRalf Baechle bool "Big endian" 11965e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11975e83d430SRalf Baechle 11985e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11995e83d430SRalf Baechle bool "Little endian" 12005e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12015e83d430SRalf Baechle 12025e83d430SRalf Baechleendchoice 12035e83d430SRalf Baechle 120422b0763aSDavid Daneyconfig EXPORT_UASM 120522b0763aSDavid Daney bool 120622b0763aSDavid Daney 12072116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12082116245eSRalf Baechle bool 12092116245eSRalf Baechle 12105e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12115e83d430SRalf Baechle bool 12125e83d430SRalf Baechle 12135e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12145e83d430SRalf Baechle bool 12151da177e4SLinus Torvalds 12169cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12179cffd154SDavid Daney bool 12189cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12199cffd154SDavid Daney default y 12209cffd154SDavid Daney 1221aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1222aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1223aa1762f4SDavid Daney 12241da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12251da177e4SLinus Torvalds bool 12261da177e4SLinus Torvalds 12279267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12289267a30dSMarc St-Jean bool 12299267a30dSMarc St-Jean 12309267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12319267a30dSMarc St-Jean bool 12329267a30dSMarc St-Jean 12338420fd00SAtsushi Nemotoconfig IRQ_TXX9 12348420fd00SAtsushi Nemoto bool 12358420fd00SAtsushi Nemoto 1236d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1237d5ab1a69SYoichi Yuasa bool 1238d5ab1a69SYoichi Yuasa 1239252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12401da177e4SLinus Torvalds bool 12411da177e4SLinus Torvalds 12429267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12439267a30dSMarc St-Jean bool 12449267a30dSMarc St-Jean 1245a83860c2SRalf Baechleconfig SOC_EMMA2RH 1246a83860c2SRalf Baechle bool 1247a83860c2SRalf Baechle select CEVT_R4K 1248a83860c2SRalf Baechle select CSRC_R4K 1249a83860c2SRalf Baechle select DMA_NONCOHERENT 125067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1251a83860c2SRalf Baechle select SWAP_IO_SPACE 1252a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1253a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1254a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1255a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1256a83860c2SRalf Baechle 1257edb6310aSDaniel Lairdconfig SOC_PNX833X 1258edb6310aSDaniel Laird bool 1259edb6310aSDaniel Laird select CEVT_R4K 1260edb6310aSDaniel Laird select CSRC_R4K 126167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1262edb6310aSDaniel Laird select DMA_NONCOHERENT 1263edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1264edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1265edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1266edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1267377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1268edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1269edb6310aSDaniel Laird 1270edb6310aSDaniel Lairdconfig SOC_PNX8335 1271edb6310aSDaniel Laird bool 1272edb6310aSDaniel Laird select SOC_PNX833X 1273edb6310aSDaniel Laird 1274a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1275a7e07b1aSMarkos Chandras bool 1276a7e07b1aSMarkos Chandras 12771da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12781da177e4SLinus Torvalds bool 12791da177e4SLinus Torvalds 1280e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1281e2defae5SThomas Bogendoerfer bool 1282e2defae5SThomas Bogendoerfer 12835b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12845b438c44SThomas Bogendoerfer bool 12855b438c44SThomas Bogendoerfer 1286e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1287e2defae5SThomas Bogendoerfer bool 1288e2defae5SThomas Bogendoerfer 1289e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1290e2defae5SThomas Bogendoerfer bool 1291e2defae5SThomas Bogendoerfer 1292e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1293e2defae5SThomas Bogendoerfer bool 1294e2defae5SThomas Bogendoerfer 1295e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1296e2defae5SThomas Bogendoerfer bool 1297e2defae5SThomas Bogendoerfer 1298e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1299e2defae5SThomas Bogendoerfer bool 1300e2defae5SThomas Bogendoerfer 13010e2794b0SRalf Baechleconfig FW_ARC32 13025e83d430SRalf Baechle bool 13035e83d430SRalf Baechle 1304aaa9fad3SPaul Bolleconfig FW_SNIPROM 1305231a35d3SThomas Bogendoerfer bool 1306231a35d3SThomas Bogendoerfer 13071da177e4SLinus Torvaldsconfig BOOT_ELF32 13081da177e4SLinus Torvalds bool 13091da177e4SLinus Torvalds 1310930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1311930beb5aSFlorian Fainelli bool 1312930beb5aSFlorian Fainelli 1313930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1314930beb5aSFlorian Fainelli bool 1315930beb5aSFlorian Fainelli 1316930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1317930beb5aSFlorian Fainelli bool 1318930beb5aSFlorian Fainelli 1319930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1320930beb5aSFlorian Fainelli bool 1321930beb5aSFlorian Fainelli 13221da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13231da177e4SLinus Torvalds int 1324a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13255432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13265432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13275432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13281da177e4SLinus Torvalds default "5" 13291da177e4SLinus Torvalds 13301da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13311da177e4SLinus Torvalds bool 13321da177e4SLinus Torvalds 13331da177e4SLinus Torvaldsconfig ARC_CONSOLE 13341da177e4SLinus Torvalds bool "ARC console support" 1335e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13361da177e4SLinus Torvalds 13371da177e4SLinus Torvaldsconfig ARC_MEMORY 13381da177e4SLinus Torvalds bool 133914b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13401da177e4SLinus Torvalds default y 13411da177e4SLinus Torvalds 13421da177e4SLinus Torvaldsconfig ARC_PROMLIB 13431da177e4SLinus Torvalds bool 1344e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13451da177e4SLinus Torvalds default y 13461da177e4SLinus Torvalds 13470e2794b0SRalf Baechleconfig FW_ARC64 13481da177e4SLinus Torvalds bool 13491da177e4SLinus Torvalds 13501da177e4SLinus Torvaldsconfig BOOT_ELF64 13511da177e4SLinus Torvalds bool 13521da177e4SLinus Torvalds 13531da177e4SLinus Torvaldsmenu "CPU selection" 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldschoice 13561da177e4SLinus Torvalds prompt "CPU type" 13571da177e4SLinus Torvalds default CPU_R4X00 13581da177e4SLinus Torvalds 13590e476d91SHuacai Chenconfig CPU_LOONGSON3 13600e476d91SHuacai Chen bool "Loongson 3 CPU" 13610e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1362d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13630e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13640e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13650e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13660e476d91SHuacai Chen select WEAK_ORDERING 13670e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1368b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 136917c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1370d30a2b47SLinus Walleij select GPIOLIB 137109230cbcSChristoph Hellwig select SWIOTLB 13720e476d91SHuacai Chen help 13730e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13740e476d91SHuacai Chen set with many extensions. 13750e476d91SHuacai Chen 13761e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13771e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13781e820da3SHuacai Chen default n 13791e820da3SHuacai Chen select CPU_MIPSR2 13801e820da3SHuacai Chen select CPU_HAS_PREFETCH 13811e820da3SHuacai Chen depends on CPU_LOONGSON3 13821e820da3SHuacai Chen help 13831e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13841e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13851e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13861e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13871e820da3SHuacai Chen Fast TLB refill support, etc. 13881e820da3SHuacai Chen 13891e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13901e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13911e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13921e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 13931e820da3SHuacai Chen 13943702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13953702bba5SWu Zhangjin bool "Loongson 2E" 13963702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13973702bba5SWu Zhangjin select CPU_LOONGSON2 13982a21c730SFuxin Zhang help 13992a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14002a21c730SFuxin Zhang with many extensions. 14012a21c730SFuxin Zhang 140225985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14036f7a251aSWu Zhangjin bonito64. 14046f7a251aSWu Zhangjin 14056f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14066f7a251aSWu Zhangjin bool "Loongson 2F" 14076f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14086f7a251aSWu Zhangjin select CPU_LOONGSON2 1409d30a2b47SLinus Walleij select GPIOLIB 14106f7a251aSWu Zhangjin help 14116f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14126f7a251aSWu Zhangjin with many extensions. 14136f7a251aSWu Zhangjin 14146f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14156f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14166f7a251aSWu Zhangjin Loongson2E. 14176f7a251aSWu Zhangjin 1418ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1419ca585cf9SKelvin Cheung bool "Loongson 1B" 1420ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1421ca585cf9SKelvin Cheung select CPU_LOONGSON1 14229ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1423ca585cf9SKelvin Cheung help 1424ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1425ca585cf9SKelvin Cheung release 2 instruction set. 1426ca585cf9SKelvin Cheung 142712e3280bSYang Lingconfig CPU_LOONGSON1C 142812e3280bSYang Ling bool "Loongson 1C" 142912e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 143012e3280bSYang Ling select CPU_LOONGSON1 143112e3280bSYang Ling select LEDS_GPIO_REGISTER 143212e3280bSYang Ling help 143312e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 143412e3280bSYang Ling release 2 instruction set. 143512e3280bSYang Ling 14366e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14376e760c8dSRalf Baechle bool "MIPS32 Release 1" 14387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14396e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1440797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1441ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14426e760c8dSRalf Baechle help 14435e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14441e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14451e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14461e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14471e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14481e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14491e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14501e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14511e5f1caaSRalf Baechle performance. 14521e5f1caaSRalf Baechle 14531e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14541e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14557cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14561e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1457797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1458ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1459a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14602235a54dSSanjay Lal select HAVE_KVM 14611e5f1caaSRalf Baechle help 14625e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14636e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14646e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14656e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14666e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14671da177e4SLinus Torvalds 14687fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1469674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14707fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14717fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14754e0748f5SMarkos Chandras select GENERIC_CSUM 14767fd08ca5SLeonid Yegoshin select HAVE_KVM 14777fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14787fd08ca5SLeonid Yegoshin help 14797fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14807fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14817fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14827fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14837fd08ca5SLeonid Yegoshin 14846e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14856e760c8dSRalf Baechle bool "MIPS64 Release 1" 14867cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1487797798c1SRalf Baechle select CPU_HAS_PREFETCH 1488ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1489ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1490ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14919cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14926e760c8dSRalf Baechle help 14936e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14946e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14956e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14966e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14976e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14981e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14991e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15001e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15011e5f1caaSRalf Baechle performance. 15021e5f1caaSRalf Baechle 15031e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15041e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15057cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1506797798c1SRalf Baechle select CPU_HAS_PREFETCH 15071e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15081e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1509ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15109cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1511a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 151240a2df49SJames Hogan select HAVE_KVM 15131e5f1caaSRalf Baechle help 15141e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15151e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15161e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15171e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15181e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15191da177e4SLinus Torvalds 15207fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1521674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15227fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15237fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15247fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15257fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15267fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15277fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15284e0748f5SMarkos Chandras select GENERIC_CSUM 15292e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 153040a2df49SJames Hogan select HAVE_KVM 15317fd08ca5SLeonid Yegoshin help 15327fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15337fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15347fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15357fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15367fd08ca5SLeonid Yegoshin 15371da177e4SLinus Torvaldsconfig CPU_R3000 15381da177e4SLinus Torvalds bool "R3000" 15397cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1540f7062ddbSRalf Baechle select CPU_HAS_WB 1541ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1542797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15431da177e4SLinus Torvalds help 15441da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15451da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15461da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15471da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15481da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15491da177e4SLinus Torvalds try to recompile with R3000. 15501da177e4SLinus Torvalds 15511da177e4SLinus Torvaldsconfig CPU_TX39XX 15521da177e4SLinus Torvalds bool "R39XX" 15537cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1554ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15551da177e4SLinus Torvalds 15561da177e4SLinus Torvaldsconfig CPU_VR41XX 15571da177e4SLinus Torvalds bool "R41xx" 15587cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1559ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1560ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15611da177e4SLinus Torvalds help 15625e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15631da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15641da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15651da177e4SLinus Torvalds processor or vice versa. 15661da177e4SLinus Torvalds 15671da177e4SLinus Torvaldsconfig CPU_R4300 15681da177e4SLinus Torvalds bool "R4300" 15697cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1570ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1571ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15721da177e4SLinus Torvalds help 15731da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvaldsconfig CPU_R4X00 15761da177e4SLinus Torvalds bool "R4x00" 15777cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1579ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1580970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15811da177e4SLinus Torvalds help 15821da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15831da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15841da177e4SLinus Torvalds 15851da177e4SLinus Torvaldsconfig CPU_TX49XX 15861da177e4SLinus Torvalds bool "R49XX" 15877cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1588de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1590ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1591970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvaldsconfig CPU_R5000 15941da177e4SLinus Torvalds bool "R5000" 15957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1598970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15991da177e4SLinus Torvalds help 16001da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16011da177e4SLinus Torvalds 16021da177e4SLinus Torvaldsconfig CPU_R5432 16031da177e4SLinus Torvalds bool "R5432" 16047cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16055e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16065e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1607970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16081da177e4SLinus Torvalds 1609542c1020SShinya Kuribayashiconfig CPU_R5500 1610542c1020SShinya Kuribayashi bool "R5500" 1611542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1612542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1613542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16149cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1615542c1020SShinya Kuribayashi help 1616542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1617542c1020SShinya Kuribayashi instruction set. 1618542c1020SShinya Kuribayashi 16191da177e4SLinus Torvaldsconfig CPU_NEVADA 16201da177e4SLinus Torvalds bool "RM52xx" 16217cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1622ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1623ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1624970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16251da177e4SLinus Torvalds help 16261da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvaldsconfig CPU_R8000 16291da177e4SLinus Torvalds bool "R8000" 16307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16315e83d430SRalf Baechle select CPU_HAS_PREFETCH 1632ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16331da177e4SLinus Torvalds help 16341da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16351da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16361da177e4SLinus Torvalds 16371da177e4SLinus Torvaldsconfig CPU_R10000 16381da177e4SLinus Torvalds bool "R10000" 16397cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16405e83d430SRalf Baechle select CPU_HAS_PREFETCH 1641ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1642ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1643797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1644970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16451da177e4SLinus Torvalds help 16461da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16471da177e4SLinus Torvalds 16481da177e4SLinus Torvaldsconfig CPU_RM7000 16491da177e4SLinus Torvalds bool "RM7000" 16507cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16515e83d430SRalf Baechle select CPU_HAS_PREFETCH 1652ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1653ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1654797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1655970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16561da177e4SLinus Torvalds 16571da177e4SLinus Torvaldsconfig CPU_SB1 16581da177e4SLinus Torvalds bool "SB1" 16597cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1660ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1662797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1663970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16640004a9dfSRalf Baechle select WEAK_ORDERING 16651da177e4SLinus Torvalds 1666a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1667a86c7f72SDavid Daney bool "Cavium Octeon processor" 16685e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1669a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1670a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1671a86c7f72SDavid Daney select WEAK_ORDERING 1672a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16739cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1674df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1675df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1676930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 16770ae3abcdSJames Hogan select HAVE_KVM 1678a86c7f72SDavid Daney help 1679a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1680a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1681a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1682a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1683a86c7f72SDavid Daney 1684cd746249SJonas Gorskiconfig CPU_BMIPS 1685cd746249SJonas Gorski bool "Broadcom BMIPS" 1686cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1687cd746249SJonas Gorski select CPU_MIPS32 1688fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1689cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1690cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1691cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1692cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1693cd746249SJonas Gorski select DMA_NONCOHERENT 169467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1695cd746249SJonas Gorski select SWAP_IO_SPACE 1696cd746249SJonas Gorski select WEAK_ORDERING 1697c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 169869aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1699a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1700a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1701c1c0c461SKevin Cernekee help 1702fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1703c1c0c461SKevin Cernekee 17047f058e85SJayachandran Cconfig CPU_XLR 17057f058e85SJayachandran C bool "Netlogic XLR SoC" 17067f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17077f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17087f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17097f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1710970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17117f058e85SJayachandran C select WEAK_ORDERING 17127f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17137f058e85SJayachandran C help 17147f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17151c773ea4SJayachandran C 17161c773ea4SJayachandran Cconfig CPU_XLP 17171c773ea4SJayachandran C bool "Netlogic XLP SoC" 17181c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17191c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17201c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17211c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17221c773ea4SJayachandran C select WEAK_ORDERING 17231c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17241c773ea4SJayachandran C select CPU_HAS_PREFETCH 1725d6504846SJayachandran C select CPU_MIPSR2 1726ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17272db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17281c773ea4SJayachandran C help 17291c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17301da177e4SLinus Torvaldsendchoice 17311da177e4SLinus Torvalds 1732a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1733a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1734a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17357fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1736a6e18781SLeonid Yegoshin help 1737a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1738a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1739a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1740a6e18781SLeonid Yegoshin 1741a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1742a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1743a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1744a6e18781SLeonid Yegoshin select EVA 1745a6e18781SLeonid Yegoshin default y 1746a6e18781SLeonid Yegoshin help 1747a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1748a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1749a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1750a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1751a6e18781SLeonid Yegoshin 1752c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1753c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1754c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1755c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1756c5b36783SSteven J. Hill help 1757c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1758c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1759c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1760c5b36783SSteven J. Hill 1761c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1762c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1763c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1764c5b36783SSteven J. Hill depends on !EVA 1765c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1766c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1767c5b36783SSteven J. Hill select XPA 1768c5b36783SSteven J. Hill select HIGHMEM 1769d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1770c5b36783SSteven J. Hill default n 1771c5b36783SSteven J. Hill help 1772c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1773c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1774c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1775c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1776c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1777c5b36783SSteven J. Hill If unsure, say 'N' here. 1778c5b36783SSteven J. Hill 1779622844bfSWu Zhangjinif CPU_LOONGSON2F 1780622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1781622844bfSWu Zhangjin bool 1782622844bfSWu Zhangjin 1783622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1784622844bfSWu Zhangjin bool 1785622844bfSWu Zhangjin 1786622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1787622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1788622844bfSWu Zhangjin default y 1789622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1790622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1791622844bfSWu Zhangjin help 1792622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1793622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1794622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1795622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1796622844bfSWu Zhangjin 1797622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1798622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1799622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1800622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1801622844bfSWu Zhangjin systems. 1802622844bfSWu Zhangjin 1803622844bfSWu Zhangjin If unsure, please say Y. 1804622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1805622844bfSWu Zhangjin 18061b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18071b93b3c3SWu Zhangjin bool 18081b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18091b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 181031c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18111b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1812fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18134e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18141b93b3c3SWu Zhangjin 18151b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18161b93b3c3SWu Zhangjin bool 18171b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18181b93b3c3SWu Zhangjin 1819dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1820dbb98314SAlban Bedel bool 1821dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1822dbb98314SAlban Bedel 18233702bba5SWu Zhangjinconfig CPU_LOONGSON2 18243702bba5SWu Zhangjin bool 18253702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18263702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18273702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1828970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1829e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 18303702bba5SWu Zhangjin 1831ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1832ca585cf9SKelvin Cheung bool 1833ca585cf9SKelvin Cheung select CPU_MIPS32 1834ca585cf9SKelvin Cheung select CPU_MIPSR2 1835ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1836ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1837ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1838f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1839ca585cf9SKelvin Cheung 1840fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 184104fa8bf7SJonas Gorski select SMP_UP if SMP 18421bbb6c1bSKevin Cernekee bool 1843cd746249SJonas Gorski 1844cd746249SJonas Gorskiconfig CPU_BMIPS4350 1845cd746249SJonas Gorski bool 1846cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1847cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1848cd746249SJonas Gorski 1849cd746249SJonas Gorskiconfig CPU_BMIPS4380 1850cd746249SJonas Gorski bool 1851bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1852cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1853cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1854b4720809SFlorian Fainelli select CPU_HAS_RIXI 1855cd746249SJonas Gorski 1856cd746249SJonas Gorskiconfig CPU_BMIPS5000 1857cd746249SJonas Gorski bool 1858cd746249SJonas Gorski select MIPS_CPU_SCACHE 1859bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1860cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1861cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1862b4720809SFlorian Fainelli select CPU_HAS_RIXI 18631bbb6c1bSKevin Cernekee 18640e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18650e476d91SHuacai Chen bool 18660e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1867b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18680e476d91SHuacai Chen 18693702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18702a21c730SFuxin Zhang bool 18712a21c730SFuxin Zhang 18726f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18736f7a251aSWu Zhangjin bool 187455045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187555045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 187622f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18776f7a251aSWu Zhangjin 1878ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1879ca585cf9SKelvin Cheung bool 1880ca585cf9SKelvin Cheung 188112e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 188212e3280bSYang Ling bool 188312e3280bSYang Ling 18847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18857cf8053bSRalf Baechle bool 18867cf8053bSRalf Baechle 18877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18887cf8053bSRalf Baechle bool 18897cf8053bSRalf Baechle 1890a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1891a6e18781SLeonid Yegoshin bool 1892a6e18781SLeonid Yegoshin 1893c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1894c5b36783SSteven J. Hill bool 1895c5b36783SSteven J. Hill 18967fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 18977fd08ca5SLeonid Yegoshin bool 18987fd08ca5SLeonid Yegoshin 18997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19007cf8053bSRalf Baechle bool 19017cf8053bSRalf Baechle 19027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19037cf8053bSRalf Baechle bool 19047cf8053bSRalf Baechle 19057fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19067fd08ca5SLeonid Yegoshin bool 19077fd08ca5SLeonid Yegoshin 19087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19097cf8053bSRalf Baechle bool 19107cf8053bSRalf Baechle 19117cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19127cf8053bSRalf Baechle bool 19137cf8053bSRalf Baechle 19147cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19157cf8053bSRalf Baechle bool 19167cf8053bSRalf Baechle 19177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19187cf8053bSRalf Baechle bool 19197cf8053bSRalf Baechle 19207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19217cf8053bSRalf Baechle bool 19227cf8053bSRalf Baechle 19237cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19247cf8053bSRalf Baechle bool 19257cf8053bSRalf Baechle 19267cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19277cf8053bSRalf Baechle bool 19287cf8053bSRalf Baechle 19297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19307cf8053bSRalf Baechle bool 19317cf8053bSRalf Baechle 1932542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1933542c1020SShinya Kuribayashi bool 1934542c1020SShinya Kuribayashi 19357cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19367cf8053bSRalf Baechle bool 19377cf8053bSRalf Baechle 19387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19397cf8053bSRalf Baechle bool 19407cf8053bSRalf Baechle 19417cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19427cf8053bSRalf Baechle bool 19437cf8053bSRalf Baechle 19447cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19457cf8053bSRalf Baechle bool 19467cf8053bSRalf Baechle 19477cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19487cf8053bSRalf Baechle bool 19497cf8053bSRalf Baechle 19505e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19515e683389SDavid Daney bool 19525e683389SDavid Daney 1953cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1954c1c0c461SKevin Cernekee bool 1955c1c0c461SKevin Cernekee 1956fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1957c1c0c461SKevin Cernekee bool 1958cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1959c1c0c461SKevin Cernekee 1960c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1961c1c0c461SKevin Cernekee bool 1962cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1963c1c0c461SKevin Cernekee 1964c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1965c1c0c461SKevin Cernekee bool 1966cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1967c1c0c461SKevin Cernekee 1968c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1969c1c0c461SKevin Cernekee bool 1970cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1971c1c0c461SKevin Cernekee 19727f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19737f058e85SJayachandran C bool 19747f058e85SJayachandran C 19751c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19761c773ea4SJayachandran C bool 19771c773ea4SJayachandran C 197817099b11SRalf Baechle# 197917099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 198017099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 198117099b11SRalf Baechle# 19820004a9dfSRalf Baechleconfig WEAK_ORDERING 19830004a9dfSRalf Baechle bool 198417099b11SRalf Baechle 198517099b11SRalf Baechle# 198617099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 198717099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 198817099b11SRalf Baechle# 198917099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 199017099b11SRalf Baechle bool 19915e83d430SRalf Baechleendmenu 19925e83d430SRalf Baechle 19935e83d430SRalf Baechle# 19945e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19955e83d430SRalf Baechle# 19965e83d430SRalf Baechleconfig CPU_MIPS32 19975e83d430SRalf Baechle bool 19987fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19995e83d430SRalf Baechle 20005e83d430SRalf Baechleconfig CPU_MIPS64 20015e83d430SRalf Baechle bool 20027fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20035e83d430SRalf Baechle 20045e83d430SRalf Baechle# 2005c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 20065e83d430SRalf Baechle# 20075e83d430SRalf Baechleconfig CPU_MIPSR1 20085e83d430SRalf Baechle bool 20095e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20105e83d430SRalf Baechle 20115e83d430SRalf Baechleconfig CPU_MIPSR2 20125e83d430SRalf Baechle bool 2013a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20148256b17eSFlorian Fainelli select CPU_HAS_RIXI 2015a7e07b1aSMarkos Chandras select MIPS_SPRAM 20165e83d430SRalf Baechle 20177fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20187fd08ca5SLeonid Yegoshin bool 20197fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20208256b17eSFlorian Fainelli select CPU_HAS_RIXI 202187321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20222db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20234a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2024a7e07b1aSMarkos Chandras select MIPS_SPRAM 20255e83d430SRalf Baechle 2026a6e18781SLeonid Yegoshinconfig EVA 2027a6e18781SLeonid Yegoshin bool 2028a6e18781SLeonid Yegoshin 2029c5b36783SSteven J. Hillconfig XPA 2030c5b36783SSteven J. Hill bool 2031c5b36783SSteven J. Hill 20325e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20335e83d430SRalf Baechle bool 20345e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20355e83d430SRalf Baechle bool 20365e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20375e83d430SRalf Baechle bool 20385e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20395e83d430SRalf Baechle bool 204055045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 204155045ff5SWu Zhangjin bool 204255045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 204355045ff5SWu Zhangjin bool 20449cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20459cffd154SDavid Daney bool 204622f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 204722f1fdfdSWu Zhangjin bool 204882622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 204982622284SDavid Daney bool 2050cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20515e83d430SRalf Baechle 20528192c9eaSDavid Daney# 20538192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20548192c9eaSDavid Daney# 20558192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20568192c9eaSDavid Daney bool 2057679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20588192c9eaSDavid Daney 20595e83d430SRalf Baechlemenu "Kernel type" 20605e83d430SRalf Baechle 20615e83d430SRalf Baechlechoice 20625e83d430SRalf Baechle prompt "Kernel code model" 20635e83d430SRalf Baechle help 20645e83d430SRalf Baechle You should only select this option if you have a workload that 20655e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20665e83d430SRalf Baechle large memory. You will only be presented a single option in this 20675e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20685e83d430SRalf Baechle 20695e83d430SRalf Baechleconfig 32BIT 20705e83d430SRalf Baechle bool "32-bit kernel" 20715e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20725e83d430SRalf Baechle select TRAD_SIGNALS 20735e83d430SRalf Baechle help 20745e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2075f17c4ca3SRalf Baechle 20765e83d430SRalf Baechleconfig 64BIT 20775e83d430SRalf Baechle bool "64-bit kernel" 20785e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20795e83d430SRalf Baechle help 20805e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20815e83d430SRalf Baechle 20825e83d430SRalf Baechleendchoice 20835e83d430SRalf Baechle 20842235a54dSSanjay Lalconfig KVM_GUEST 20852235a54dSSanjay Lal bool "KVM Guest Kernel" 2086f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20872235a54dSSanjay Lal help 2088caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2089caa1faa7SJames Hogan mode. 20902235a54dSSanjay Lal 2091eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2092eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 20932235a54dSSanjay Lal depends on KVM_GUEST 2094eda3d33cSJames Hogan default 100 20952235a54dSSanjay Lal help 2096eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2097eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2098eda3d33cSJames Hogan timer frequency is specified directly. 20992235a54dSSanjay Lal 21001e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21011e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21021e321fa9SLeonid Yegoshin depends on 64BIT 21031e321fa9SLeonid Yegoshin help 21043377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21053377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21063377e227SAlex Belits For page sizes 16k and above, this option results in a small 21073377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21083377e227SAlex Belits level of page tables is added which imposes both a memory 21093377e227SAlex Belits overhead as well as slower TLB fault handling. 21103377e227SAlex Belits 21111e321fa9SLeonid Yegoshin If unsure, say N. 21121e321fa9SLeonid Yegoshin 21131da177e4SLinus Torvaldschoice 21141da177e4SLinus Torvalds prompt "Kernel page size" 21151da177e4SLinus Torvalds default PAGE_SIZE_4KB 21161da177e4SLinus Torvalds 21171da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21181da177e4SLinus Torvalds bool "4kB" 21190e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21201da177e4SLinus Torvalds help 21211da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21221da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21231da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21241da177e4SLinus Torvalds recommended for low memory systems. 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21271da177e4SLinus Torvalds bool "8kB" 21287d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21291e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21301da177e4SLinus Torvalds help 21311da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21321da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2133c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2134c52399beSRalf Baechle suitable Linux distribution to support this. 21351da177e4SLinus Torvalds 21361da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21371da177e4SLinus Torvalds bool "16kB" 2138714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21391da177e4SLinus Torvalds help 21401da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21411da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2142714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2143714bfad6SRalf Baechle Linux distribution to support this. 21441da177e4SLinus Torvalds 2145c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2146c52399beSRalf Baechle bool "32kB" 2147c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21481e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2149c52399beSRalf Baechle help 2150c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2151c52399beSRalf Baechle the price of higher memory consumption. This option is available 2152c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2153c52399beSRalf Baechle distribution to support this. 2154c52399beSRalf Baechle 21551da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21561da177e4SLinus Torvalds bool "64kB" 21573b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21581da177e4SLinus Torvalds help 21591da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21601da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21611da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2162714bfad6SRalf Baechle writing this option is still high experimental. 21631da177e4SLinus Torvalds 21641da177e4SLinus Torvaldsendchoice 21651da177e4SLinus Torvalds 2166c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2167c9bace7cSDavid Daney int "Maximum zone order" 2168e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2169e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2170e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2171e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2172e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2173e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2174c9bace7cSDavid Daney range 11 64 2175c9bace7cSDavid Daney default "11" 2176c9bace7cSDavid Daney help 2177c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2178c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2179c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2180c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2181c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2182c9bace7cSDavid Daney increase this value. 2183c9bace7cSDavid Daney 2184c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2185c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2186c9bace7cSDavid Daney 2187c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2188c9bace7cSDavid Daney when choosing a value for this option. 2189c9bace7cSDavid Daney 21901da177e4SLinus Torvaldsconfig BOARD_SCACHE 21911da177e4SLinus Torvalds bool 21921da177e4SLinus Torvalds 21931da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 21941da177e4SLinus Torvalds bool 21951da177e4SLinus Torvalds select BOARD_SCACHE 21961da177e4SLinus Torvalds 21979318c51aSChris Dearman# 21989318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 21999318c51aSChris Dearman# 22009318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22019318c51aSChris Dearman bool 22029318c51aSChris Dearman select BOARD_SCACHE 22039318c51aSChris Dearman 22041da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22051da177e4SLinus Torvalds bool 22061da177e4SLinus Torvalds select BOARD_SCACHE 22071da177e4SLinus Torvalds 22081da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22091da177e4SLinus Torvalds bool 22101da177e4SLinus Torvalds select BOARD_SCACHE 22111da177e4SLinus Torvalds 22121da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22131da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22141da177e4SLinus Torvalds depends on CPU_SB1 22151da177e4SLinus Torvalds help 22161da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22171da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22181da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22191da177e4SLinus Torvalds 22201da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2221c8094b53SRalf Baechle bool 22221da177e4SLinus Torvalds 22233165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22243165c846SFlorian Fainelli bool 22253b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22263165c846SFlorian Fainelli 222791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 222891405eb6SFlorian Fainelli bool 2229a2aea699SPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 223091405eb6SFlorian Fainelli 223162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 223262cedc4fSFlorian Fainelli bool 223362cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 223462cedc4fSFlorian Fainelli 223559d6ab86SRalf Baechleconfig MIPS_MT_SMP 2236a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22375cbf9688SPaul Burton default y 2238527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 223959d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2240d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2241c080faa5SSteven J. Hill select SYNC_R4K 224259d6ab86SRalf Baechle select MIPS_MT 224359d6ab86SRalf Baechle select SMP 224487353d8aSRalf Baechle select SMP_UP 2245c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2246c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2247399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 224859d6ab86SRalf Baechle help 2249c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2250c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2251c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2252c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2253c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 225459d6ab86SRalf Baechle 2255f41ae0b2SRalf Baechleconfig MIPS_MT 2256f41ae0b2SRalf Baechle bool 2257f41ae0b2SRalf Baechle 22580ab7aefcSRalf Baechleconfig SCHED_SMT 22590ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22600ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22610ab7aefcSRalf Baechle default n 22620ab7aefcSRalf Baechle help 22630ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22640ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22650ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22660ab7aefcSRalf Baechle 22670ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22680ab7aefcSRalf Baechle bool 22690ab7aefcSRalf Baechle 2270f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2271f41ae0b2SRalf Baechle bool 2272f41ae0b2SRalf Baechle 2273f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2274f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2275f088fc84SRalf Baechle default y 2276b633648cSRalf Baechle depends on MIPS_MT_SMP 227707cc0c9eSRalf Baechle 2278b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2279b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 22809eaa9a82SPaul Burton depends on CPU_MIPSR6 2281b0a668fbSLeonid Yegoshin default y 2282b0a668fbSLeonid Yegoshin help 2283b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2284b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 228507edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2286b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2287b0a668fbSLeonid Yegoshin final kernel image. 2288b0a668fbSLeonid Yegoshin 2289f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2290f35764e7SJames Hogan bool 2291f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2292f35764e7SJames Hogan help 2293f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2294f35764e7SJames Hogan physical_memsize. 2295f35764e7SJames Hogan 229607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 229707cc0c9eSRalf Baechle bool "VPE loader support." 2298f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 229907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 230007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 230107cc0c9eSRalf Baechle select MIPS_MT 230207cc0c9eSRalf Baechle help 230307cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 230407cc0c9eSRalf Baechle onto another VPE and running it. 2305f088fc84SRalf Baechle 230617a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 230717a1d523SDeng-Cheng Zhu bool 230817a1d523SDeng-Cheng Zhu default "y" 230917a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 231017a1d523SDeng-Cheng Zhu 23111a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23121a2a6d7eSDeng-Cheng Zhu bool 23131a2a6d7eSDeng-Cheng Zhu default "y" 23141a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23151a2a6d7eSDeng-Cheng Zhu 2316e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2317e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2318e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2319e01402b1SRalf Baechle default y 2320e01402b1SRalf Baechle help 2321e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2322e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2323e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2324e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2325e01402b1SRalf Baechle 2326e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2327e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2328e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2329e01402b1SRalf Baechle 2330da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2331da615cf6SDeng-Cheng Zhu bool 2332da615cf6SDeng-Cheng Zhu default "y" 2333da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2334da615cf6SDeng-Cheng Zhu 23352c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23362c973ef0SDeng-Cheng Zhu bool 23372c973ef0SDeng-Cheng Zhu default "y" 23382c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23392c973ef0SDeng-Cheng Zhu 23404a16ff4cSRalf Baechleconfig MIPS_CMP 23415cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23425676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2343b10b43baSMarkos Chandras select SMP 2344eb9b5141STim Anderson select SYNC_R4K 2345b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23464a16ff4cSRalf Baechle select WEAK_ORDERING 23474a16ff4cSRalf Baechle default n 23484a16ff4cSRalf Baechle help 2349044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2350044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2351044505c7SPaul Burton its ability to start secondary CPUs. 23524a16ff4cSRalf Baechle 23535cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23545cac93b3SPaul Burton instead of this. 23555cac93b3SPaul Burton 23560ee958e1SPaul Burtonconfig MIPS_CPS 23570ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23585a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23590ee958e1SPaul Burton select MIPS_CM 23601d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23610ee958e1SPaul Burton select SMP 23620ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23631d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2364c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 23650ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23660ee958e1SPaul Burton select WEAK_ORDERING 23670ee958e1SPaul Burton help 23680ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23690ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23700ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23710ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23720ee958e1SPaul Burton support is unavailable. 23730ee958e1SPaul Burton 23743179d37eSPaul Burtonconfig MIPS_CPS_PM 237539a59593SMarkos Chandras depends on MIPS_CPS 23763179d37eSPaul Burton bool 23773179d37eSPaul Burton 23789f98f3ddSPaul Burtonconfig MIPS_CM 23799f98f3ddSPaul Burton bool 23803c9b4166SPaul Burton select MIPS_CPC 23819f98f3ddSPaul Burton 23829c38cf44SPaul Burtonconfig MIPS_CPC 23839c38cf44SPaul Burton bool 23842600990eSRalf Baechle 23851da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23861da177e4SLinus Torvalds bool 23871da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23881da177e4SLinus Torvalds default y 23891da177e4SLinus Torvalds 23901da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23911da177e4SLinus Torvalds bool 23921da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23931da177e4SLinus Torvalds default y 23941da177e4SLinus Torvalds 23952235a54dSSanjay Lal 23969e2b5372SMarkos Chandraschoice 23979e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 23989e2b5372SMarkos Chandras 23999e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24009e2b5372SMarkos Chandras bool "None" 24019e2b5372SMarkos Chandras help 24029e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24039e2b5372SMarkos Chandras 24049693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24059693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24069e2b5372SMarkos Chandras bool "SmartMIPS" 24079693a853SFranck Bui-Huu help 24089693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24099693a853SFranck Bui-Huu increased security at both hardware and software level for 24109693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24119693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24129693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24139693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24149693a853SFranck Bui-Huu here. 24159693a853SFranck Bui-Huu 2416bce86083SSteven J. Hillconfig CPU_MICROMIPS 24177fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24189e2b5372SMarkos Chandras bool "microMIPS" 2419bce86083SSteven J. Hill help 2420bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2421bce86083SSteven J. Hill microMIPS ISA 2422bce86083SSteven J. Hill 24239e2b5372SMarkos Chandrasendchoice 24249e2b5372SMarkos Chandras 2425a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24260ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2427a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 24282a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2429a5e9a69eSPaul Burton help 2430a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2431a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24321db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24331db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24341db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24351db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24361db1af84SPaul Burton the size & complexity of your kernel. 2437a5e9a69eSPaul Burton 2438a5e9a69eSPaul Burton If unsure, say Y. 2439a5e9a69eSPaul Burton 24401da177e4SLinus Torvaldsconfig CPU_HAS_WB 2441f7062ddbSRalf Baechle bool 2442e01402b1SRalf Baechle 2443df0ac8a4SKevin Cernekeeconfig XKS01 2444df0ac8a4SKevin Cernekee bool 2445df0ac8a4SKevin Cernekee 24468256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24478256b17eSFlorian Fainelli bool 24488256b17eSFlorian Fainelli 2449f41ae0b2SRalf Baechle# 2450f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2451f41ae0b2SRalf Baechle# 2452e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2453f41ae0b2SRalf Baechle bool 2454e01402b1SRalf Baechle 2455f41ae0b2SRalf Baechle# 2456f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2457f41ae0b2SRalf Baechle# 2458e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2459f41ae0b2SRalf Baechle bool 2460e01402b1SRalf Baechle 24611da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24621da177e4SLinus Torvalds bool 24631da177e4SLinus Torvalds depends on !CPU_R3000 24641da177e4SLinus Torvalds default y 24651da177e4SLinus Torvalds 24661da177e4SLinus Torvalds# 246720d60d99SMaciej W. Rozycki# CPU non-features 246820d60d99SMaciej W. Rozycki# 246920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 247020d60d99SMaciej W. Rozycki bool 247120d60d99SMaciej W. Rozycki 247220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 247320d60d99SMaciej W. Rozycki bool 247420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 247520d60d99SMaciej W. Rozycki 247620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 247720d60d99SMaciej W. Rozycki bool 247820d60d99SMaciej W. Rozycki 24794edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24804edf00a4SPaul Burton int 24814edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24824edf00a4SPaul Burton default 4 if CPU_R8000 24834edf00a4SPaul Burton default 0 24844edf00a4SPaul Burton 24854edf00a4SPaul Burtonconfig MIPS_ASID_BITS 24864edf00a4SPaul Burton int 24872db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 24884edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24894edf00a4SPaul Burton default 8 24904edf00a4SPaul Burton 24912db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 24922db003a5SPaul Burton bool 24932db003a5SPaul Burton 24944a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 24954a5dc51eSMarcin Nowakowski bool 24964a5dc51eSMarcin Nowakowski 249720d60d99SMaciej W. Rozycki# 24981da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 24991da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25001da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25011da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25021da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25031da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25041da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25051da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2506797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2507797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2508797798c1SRalf Baechle# support. 25091da177e4SLinus Torvalds# 25101da177e4SLinus Torvaldsconfig HIGHMEM 25111da177e4SLinus Torvalds bool "High Memory Support" 2512a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2513797798c1SRalf Baechle 2514797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2515797798c1SRalf Baechle bool 2516797798c1SRalf Baechle 2517797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2518797798c1SRalf Baechle bool 25191da177e4SLinus Torvalds 25209693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25219693a853SFranck Bui-Huu bool 25229693a853SFranck Bui-Huu 2523a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2524a6a4834cSSteven J. Hill bool 2525a6a4834cSSteven J. Hill 2526377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2527377cb1b6SRalf Baechle bool 2528377cb1b6SRalf Baechle help 2529377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2530377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2531377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2532377cb1b6SRalf Baechle 2533a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2534a5e9a69eSPaul Burton bool 2535a5e9a69eSPaul Burton 2536b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2537b4819b59SYoichi Yuasa def_bool y 2538f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2539b4819b59SYoichi Yuasa 2540d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2541d8cb4e11SRalf Baechle bool 2542d8cb4e11SRalf Baechle default y if SGI_IP27 2543d8cb4e11SRalf Baechle help 25443dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2545d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2546d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2547ad56b738SMike Rapoport See <file:Documentation/vm/numa.rst> for more. 2548d8cb4e11SRalf Baechle 2549b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2550b1c6cd42SAtsushi Nemoto bool 25517de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 255231473747SAtsushi Nemoto 2553d8cb4e11SRalf Baechleconfig NUMA 2554d8cb4e11SRalf Baechle bool "NUMA Support" 2555d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2556d8cb4e11SRalf Baechle help 2557d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2558d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2559d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2560d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2561d8cb4e11SRalf Baechle disabled. 2562d8cb4e11SRalf Baechle 2563d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2564d8cb4e11SRalf Baechle bool 2565d8cb4e11SRalf Baechle 25668c530ea3SMatt Redfearnconfig RELOCATABLE 25678c530ea3SMatt Redfearn bool "Relocatable kernel" 25683ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 25698c530ea3SMatt Redfearn help 25708c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 25718c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 25728c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 25738c530ea3SMatt Redfearn but are discarded at runtime 25748c530ea3SMatt Redfearn 2575069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2576069fd766SMatt Redfearn hex "Relocation table size" 2577069fd766SMatt Redfearn depends on RELOCATABLE 2578069fd766SMatt Redfearn range 0x0 0x01000000 2579069fd766SMatt Redfearn default "0x00100000" 2580069fd766SMatt Redfearn ---help--- 2581069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2582069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2583069fd766SMatt Redfearn 2584069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2585069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2586069fd766SMatt Redfearn 2587069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2588069fd766SMatt Redfearn 2589069fd766SMatt Redfearn If unsure, leave at the default value. 2590069fd766SMatt Redfearn 2591405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2592405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2593405bc8fdSMatt Redfearn depends on RELOCATABLE 2594405bc8fdSMatt Redfearn ---help--- 2595405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2596405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2597405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2598405bc8fdSMatt Redfearn of kernel internals. 2599405bc8fdSMatt Redfearn 2600405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2601405bc8fdSMatt Redfearn 2602405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2603405bc8fdSMatt Redfearn 2604405bc8fdSMatt Redfearn If unsure, say N. 2605405bc8fdSMatt Redfearn 2606405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2607405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2608405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2609405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2610405bc8fdSMatt Redfearn range 0x0 0x08000000 2611405bc8fdSMatt Redfearn default "0x01000000" 2612405bc8fdSMatt Redfearn ---help--- 2613405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2614405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2615405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2616405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2617405bc8fdSMatt Redfearn 2618405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2619405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2620405bc8fdSMatt Redfearn 2621c80d79d7SYasunori Gotoconfig NODES_SHIFT 2622c80d79d7SYasunori Goto int 2623c80d79d7SYasunori Goto default "6" 2624c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2625c80d79d7SYasunori Goto 262614f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 262714f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 262823021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 262914f70012SDeng-Cheng Zhu default y 263014f70012SDeng-Cheng Zhu help 263114f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 263214f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 263314f70012SDeng-Cheng Zhu 2634b4819b59SYoichi Yuasasource "mm/Kconfig" 2635b4819b59SYoichi Yuasa 26361da177e4SLinus Torvaldsconfig SMP 26371da177e4SLinus Torvalds bool "Multi-Processing support" 2638e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2639e73ea273SRalf Baechle help 26401da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 26414a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 26424a474157SRobert Graffham than one CPU, say Y. 26431da177e4SLinus Torvalds 26444a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 26451da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 26461da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 26474a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 26481da177e4SLinus Torvalds will run faster if you say N here. 26491da177e4SLinus Torvalds 26501da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 26511da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 26521da177e4SLinus Torvalds 265303502faaSAdrian Bunk See also the SMP-HOWTO available at 265403502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 26551da177e4SLinus Torvalds 26561da177e4SLinus Torvalds If you don't know what to do here, say N. 26571da177e4SLinus Torvalds 26587840d618SMatt Redfearnconfig HOTPLUG_CPU 26597840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 26607840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 26617840d618SMatt Redfearn help 26627840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 26637840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 26647840d618SMatt Redfearn (Note: power management support will enable this option 26657840d618SMatt Redfearn automatically on SMP systems. ) 26667840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 26677840d618SMatt Redfearn 266887353d8aSRalf Baechleconfig SMP_UP 266987353d8aSRalf Baechle bool 267087353d8aSRalf Baechle 26714a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 26724a16ff4cSRalf Baechle bool 26734a16ff4cSRalf Baechle 26740ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 26750ee958e1SPaul Burton bool 26760ee958e1SPaul Burton 2677e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2678e73ea273SRalf Baechle bool 2679e73ea273SRalf Baechle 2680130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2681130e2fb7SRalf Baechle bool 2682130e2fb7SRalf Baechle 2683130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2684130e2fb7SRalf Baechle bool 2685130e2fb7SRalf Baechle 2686130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2687130e2fb7SRalf Baechle bool 2688130e2fb7SRalf Baechle 2689130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2690130e2fb7SRalf Baechle bool 2691130e2fb7SRalf Baechle 2692130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2693130e2fb7SRalf Baechle bool 2694130e2fb7SRalf Baechle 26951da177e4SLinus Torvaldsconfig NR_CPUS 2696a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2697a91796a9SJayachandran C range 2 256 26981da177e4SLinus Torvalds depends on SMP 2699130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2700130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2701130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2702130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2703130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27041da177e4SLinus Torvalds help 27051da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27061da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27071da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 270872ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 270972ede9b1SAtsushi Nemoto and 2 for all others. 27101da177e4SLinus Torvalds 27111da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 271272ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 271372ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 271472ede9b1SAtsushi Nemoto power of two. 27151da177e4SLinus Torvalds 2716399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2717399aaa25SAl Cooper bool 2718399aaa25SAl Cooper 27197820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27207820b84bSDavid Daney bool 27217820b84bSDavid Daney 27227820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27237820b84bSDavid Daney int 27247820b84bSDavid Daney depends on SMP 27257820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27267820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27277820b84bSDavid Daney 27281723b4a3SAtsushi Nemoto# 27291723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27301723b4a3SAtsushi Nemoto# 27311723b4a3SAtsushi Nemoto 27321723b4a3SAtsushi Nemotochoice 27331723b4a3SAtsushi Nemoto prompt "Timer frequency" 27341723b4a3SAtsushi Nemoto default HZ_250 27351723b4a3SAtsushi Nemoto help 27361723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27371723b4a3SAtsushi Nemoto 273867596573SPaul Burton config HZ_24 273967596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 274067596573SPaul Burton 27411723b4a3SAtsushi Nemoto config HZ_48 27420f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 27431723b4a3SAtsushi Nemoto 27441723b4a3SAtsushi Nemoto config HZ_100 27451723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 27461723b4a3SAtsushi Nemoto 27471723b4a3SAtsushi Nemoto config HZ_128 27481723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 27491723b4a3SAtsushi Nemoto 27501723b4a3SAtsushi Nemoto config HZ_250 27511723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 27521723b4a3SAtsushi Nemoto 27531723b4a3SAtsushi Nemoto config HZ_256 27541723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 27551723b4a3SAtsushi Nemoto 27561723b4a3SAtsushi Nemoto config HZ_1000 27571723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 27581723b4a3SAtsushi Nemoto 27591723b4a3SAtsushi Nemoto config HZ_1024 27601723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 27611723b4a3SAtsushi Nemoto 27621723b4a3SAtsushi Nemotoendchoice 27631723b4a3SAtsushi Nemoto 276467596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 276567596573SPaul Burton bool 276667596573SPaul Burton 27671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 27681723b4a3SAtsushi Nemoto bool 27691723b4a3SAtsushi Nemoto 27701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 27711723b4a3SAtsushi Nemoto bool 27721723b4a3SAtsushi Nemoto 27731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 27741723b4a3SAtsushi Nemoto bool 27751723b4a3SAtsushi Nemoto 27761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 27771723b4a3SAtsushi Nemoto bool 27781723b4a3SAtsushi Nemoto 27791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 27801723b4a3SAtsushi Nemoto bool 27811723b4a3SAtsushi Nemoto 27821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 27831723b4a3SAtsushi Nemoto bool 27841723b4a3SAtsushi Nemoto 27851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 27861723b4a3SAtsushi Nemoto bool 27871723b4a3SAtsushi Nemoto 27881723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 27891723b4a3SAtsushi Nemoto bool 279067596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 279167596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 279267596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 279367596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 279467596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 279567596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 279667596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 27971723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 27981723b4a3SAtsushi Nemoto 27991723b4a3SAtsushi Nemotoconfig HZ 28001723b4a3SAtsushi Nemoto int 280167596573SPaul Burton default 24 if HZ_24 28021723b4a3SAtsushi Nemoto default 48 if HZ_48 28031723b4a3SAtsushi Nemoto default 100 if HZ_100 28041723b4a3SAtsushi Nemoto default 128 if HZ_128 28051723b4a3SAtsushi Nemoto default 250 if HZ_250 28061723b4a3SAtsushi Nemoto default 256 if HZ_256 28071723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28081723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28091723b4a3SAtsushi Nemoto 281096685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 281196685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 281296685b17SDeng-Cheng Zhu 2813e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 28141da177e4SLinus Torvalds 2815ea6e942bSAtsushi Nemotoconfig KEXEC 28167d60717eSKees Cook bool "Kexec system call" 28172965faa5SDave Young select KEXEC_CORE 2818ea6e942bSAtsushi Nemoto help 2819ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2820ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28213dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2822ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2823ea6e942bSAtsushi Nemoto 282401dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2825ea6e942bSAtsushi Nemoto 2826ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2827ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2828bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2829bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2830bf220695SGeert Uytterhoeven made. 2831ea6e942bSAtsushi Nemoto 28327aa1c8f4SRalf Baechleconfig CRASH_DUMP 28337aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28347aa1c8f4SRalf Baechle help 28357aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28367aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28377aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28387aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28397aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28407aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28417aa1c8f4SRalf Baechle PHYSICAL_START. 28427aa1c8f4SRalf Baechle 28437aa1c8f4SRalf Baechleconfig PHYSICAL_START 28447aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28458bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 28467aa1c8f4SRalf Baechle depends on CRASH_DUMP 28477aa1c8f4SRalf Baechle help 28487aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28497aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28507aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28517aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28527aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28537aa1c8f4SRalf Baechle 2854ea6e942bSAtsushi Nemotoconfig SECCOMP 2855ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2856293c5bd1SRalf Baechle depends on PROC_FS 2857ea6e942bSAtsushi Nemoto default y 2858ea6e942bSAtsushi Nemoto help 2859ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2860ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2861ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2862ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2863ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2864ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2865ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2866ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2867ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2868ea6e942bSAtsushi Nemoto 2869ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2870ea6e942bSAtsushi Nemoto 2871597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 28720ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2873597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2874597ce172SPaul Burton help 2875597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2876597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2877597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2878597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2879597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2880597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2881597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2882597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2883597ce172SPaul Burton saying N here. 2884597ce172SPaul Burton 288506e2e882SPaul Burton Although binutils currently supports use of this flag the details 288606e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 288706e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 288806e2e882SPaul Burton behaviour before the details have been finalised, this option should 288906e2e882SPaul Burton be considered experimental and only enabled by those working upon 289006e2e882SPaul Burton said details. 289106e2e882SPaul Burton 289206e2e882SPaul Burton If unsure, say N. 2893597ce172SPaul Burton 2894f2ffa5abSDezhong Diaoconfig USE_OF 28950b3e06fdSJonas Gorski bool 2896f2ffa5abSDezhong Diao select OF 2897e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2898abd2363fSGrant Likely select IRQ_DOMAIN 2899f2ffa5abSDezhong Diao 29007fafb068SAndrew Brestickerconfig BUILTIN_DTB 29017fafb068SAndrew Bresticker bool 29027fafb068SAndrew Bresticker 29031da8f179SJonas Gorskichoice 29045b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29051da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29061da8f179SJonas Gorski 29071da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29081da8f179SJonas Gorski bool "None" 29091da8f179SJonas Gorski help 29101da8f179SJonas Gorski Do not enable appended dtb support. 29111da8f179SJonas Gorski 291287db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 291387db537dSAaro Koskinen bool "vmlinux" 291487db537dSAaro Koskinen help 291587db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 291687db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 291787db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 291887db537dSAaro Koskinen objcopy: 291987db537dSAaro Koskinen 292087db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 292187db537dSAaro Koskinen 292287db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 292387db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 292487db537dSAaro Koskinen the documented boot protocol using a device tree. 292587db537dSAaro Koskinen 29261da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2927b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29281da8f179SJonas Gorski help 29291da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2930b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29311da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29321da8f179SJonas Gorski 29331da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29341da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29351da8f179SJonas Gorski the documented boot protocol using a device tree. 29361da8f179SJonas Gorski 29371da8f179SJonas Gorski Beware that there is very little in terms of protection against 29381da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29391da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29401da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29411da8f179SJonas Gorski if you don't intend to always append a DTB. 29421da8f179SJonas Gorskiendchoice 29431da8f179SJonas Gorski 29442024972eSJonas Gorskichoice 29452024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 29462bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 29473f5f0a44SPaul Burton !MIPS_MALTA && \ 29482bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29492024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29502024972eSJonas Gorski 29512024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29522024972eSJonas Gorski depends on USE_OF 29532024972eSJonas Gorski bool "Dtb kernel arguments if available" 29542024972eSJonas Gorski 29552024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29562024972eSJonas Gorski depends on USE_OF 29572024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29582024972eSJonas Gorski 29592024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29602024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2961ed47e153SRabin Vincent 2962ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2963ed47e153SRabin Vincent depends on CMDLINE_BOOL 2964ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29652024972eSJonas Gorskiendchoice 29662024972eSJonas Gorski 29675e83d430SRalf Baechleendmenu 29685e83d430SRalf Baechle 29691df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29701df0f0ffSAtsushi Nemoto bool 29711df0f0ffSAtsushi Nemoto default y 29721df0f0ffSAtsushi Nemoto 29731df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 29741df0f0ffSAtsushi Nemoto bool 29751df0f0ffSAtsushi Nemoto default y 29761df0f0ffSAtsushi Nemoto 2977e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2978e1e16115SAaro Koskinen bool 2979e1e16115SAaro Koskinen default y 2980e1e16115SAaro Koskinen 2981a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2982a728ab52SKirill A. Shutemov int 29833377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 2984a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2985a728ab52SKirill A. Shutemov default 2 2986a728ab52SKirill A. Shutemov 2987b6c3539bSRalf Baechlesource "init/Kconfig" 2988b6c3539bSRalf Baechle 2989dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2990dc52ddc0SMatt Helsley 29911da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 29921da177e4SLinus Torvalds 29935e83d430SRalf Baechleconfig HW_HAS_EISA 29945e83d430SRalf Baechle bool 29951da177e4SLinus Torvaldsconfig HW_HAS_PCI 29961da177e4SLinus Torvalds bool 29971da177e4SLinus Torvalds 29981da177e4SLinus Torvaldsconfig PCI 29991da177e4SLinus Torvalds bool "Support for PCI controller" 30001da177e4SLinus Torvalds depends on HW_HAS_PCI 3001abb4ae46SRalf Baechle select PCI_DOMAINS 30021da177e4SLinus Torvalds help 30031da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30041da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30051da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30061da177e4SLinus Torvalds say Y, otherwise N. 30071da177e4SLinus Torvalds 30080e476d91SHuacai Chenconfig HT_PCI 30090e476d91SHuacai Chen bool "Support for HT-linked PCI" 30100e476d91SHuacai Chen default y 30110e476d91SHuacai Chen depends on CPU_LOONGSON3 30120e476d91SHuacai Chen select PCI 30130e476d91SHuacai Chen select PCI_DOMAINS 30140e476d91SHuacai Chen help 30150e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30160e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30170e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30180e476d91SHuacai Chen 30191da177e4SLinus Torvaldsconfig PCI_DOMAINS 30201da177e4SLinus Torvalds bool 30211da177e4SLinus Torvalds 302288555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 302388555b48SPaul Burton bool 302488555b48SPaul Burton 3025c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 302687dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3027c5611df9SPaul Burton bool 3028c5611df9SPaul Burton 3029c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3030c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3031c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3032c5611df9SPaul Burton 30331da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 30341da177e4SLinus Torvalds 30351da177e4SLinus Torvalds# 30361da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30371da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30381da177e4SLinus Torvalds# users to choose the right thing ... 30391da177e4SLinus Torvalds# 30401da177e4SLinus Torvaldsconfig ISA 30411da177e4SLinus Torvalds bool 30421da177e4SLinus Torvalds 30431da177e4SLinus Torvaldsconfig EISA 30441da177e4SLinus Torvalds bool "EISA support" 30455e83d430SRalf Baechle depends on HW_HAS_EISA 30461da177e4SLinus Torvalds select ISA 3047aa414dffSRalf Baechle select GENERIC_ISA_DMA 30481da177e4SLinus Torvalds ---help--- 30491da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 30501da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 30511da177e4SLinus Torvalds 30521da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 30531da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 30541da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 30551da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 30561da177e4SLinus Torvalds 30571da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 30581da177e4SLinus Torvalds 30591da177e4SLinus Torvalds Otherwise, say N. 30601da177e4SLinus Torvalds 30611da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 30621da177e4SLinus Torvalds 30631da177e4SLinus Torvaldsconfig TC 30641da177e4SLinus Torvalds bool "TURBOchannel support" 30651da177e4SLinus Torvalds depends on MACH_DECSTATION 30661da177e4SLinus Torvalds help 306750a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 306850a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 306950a23e6eSJustin P. Mattock at: 307050a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 307150a23e6eSJustin P. Mattock and: 307250a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 307350a23e6eSJustin P. Mattock Linux driver support status is documented at: 307450a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30751da177e4SLinus Torvalds 30761da177e4SLinus Torvaldsconfig MMU 30771da177e4SLinus Torvalds bool 30781da177e4SLinus Torvalds default y 30791da177e4SLinus Torvalds 3080109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3081109c32ffSMatt Redfearn default 12 if 64BIT 3082109c32ffSMatt Redfearn default 8 3083109c32ffSMatt Redfearn 3084109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3085109c32ffSMatt Redfearn default 18 if 64BIT 3086109c32ffSMatt Redfearn default 15 3087109c32ffSMatt Redfearn 3088109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3089109c32ffSMatt Redfearn default 8 3090109c32ffSMatt Redfearn 3091109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3092109c32ffSMatt Redfearn default 15 3093109c32ffSMatt Redfearn 3094d865bea4SRalf Baechleconfig I8253 3095d865bea4SRalf Baechle bool 3096798778b8SRussell King select CLKSRC_I8253 30972d02612fSThomas Gleixner select CLKEVT_I8253 30989726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3099d865bea4SRalf Baechle 3100e05eb3f8SRalf Baechleconfig ZONE_DMA 3101e05eb3f8SRalf Baechle bool 3102e05eb3f8SRalf Baechle 3103cce335aeSRalf Baechleconfig ZONE_DMA32 3104cce335aeSRalf Baechle bool 3105cce335aeSRalf Baechle 31061da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 31071da177e4SLinus Torvalds 3108fc5d9888SAlexander Sverdlinconfig HAS_RAPIDIO 3109fc5d9888SAlexander Sverdlin bool 3110fc5d9888SAlexander Sverdlin default n 3111fc5d9888SAlexander Sverdlin 3112388b78adSAlexandre Bounineconfig RAPIDIO 311356abde72SAlexandre Bounine tristate "RapidIO support" 3114fc5d9888SAlexander Sverdlin depends on HAS_RAPIDIO || PCI 3115388b78adSAlexandre Bounine help 3116388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3117388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3118388b78adSAlexandre Bounine 3119388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3120388b78adSAlexandre Bounine 31211da177e4SLinus Torvaldsendmenu 31221da177e4SLinus Torvalds 31231da177e4SLinus Torvaldsmenu "Executable file formats" 31241da177e4SLinus Torvalds 31251da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 31261da177e4SLinus Torvalds 31271da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31281da177e4SLinus Torvalds bool 31291da177e4SLinus Torvalds 31301da177e4SLinus Torvaldsconfig MIPS32_COMPAT 313178aaf956SRalf Baechle bool 31321da177e4SLinus Torvalds 31331da177e4SLinus Torvaldsconfig COMPAT 31341da177e4SLinus Torvalds bool 31351da177e4SLinus Torvalds 313605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 313705e43966SAtsushi Nemoto bool 313805e43966SAtsushi Nemoto 31391da177e4SLinus Torvaldsconfig MIPS32_O32 31401da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 314178aaf956SRalf Baechle depends on 64BIT 314278aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 314378aaf956SRalf Baechle select COMPAT 314478aaf956SRalf Baechle select MIPS32_COMPAT 314578aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31461da177e4SLinus Torvalds help 31471da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31481da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31491da177e4SLinus Torvalds existing binaries are in this format. 31501da177e4SLinus Torvalds 31511da177e4SLinus Torvalds If unsure, say Y. 31521da177e4SLinus Torvalds 31531da177e4SLinus Torvaldsconfig MIPS32_N32 31541da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3155c22eacfeSRalf Baechle depends on 64BIT 315678aaf956SRalf Baechle select COMPAT 315778aaf956SRalf Baechle select MIPS32_COMPAT 315878aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31591da177e4SLinus Torvalds help 31601da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31611da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31621da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31631da177e4SLinus Torvalds cases. 31641da177e4SLinus Torvalds 31651da177e4SLinus Torvalds If unsure, say N. 31661da177e4SLinus Torvalds 31671da177e4SLinus Torvaldsconfig BINFMT_ELF32 31681da177e4SLinus Torvalds bool 31691da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3170f43edca7SRalf Baechle select ELFCORE 31711da177e4SLinus Torvalds 31722116245eSRalf Baechleendmenu 31731da177e4SLinus Torvalds 31742116245eSRalf Baechlemenu "Power management options" 3175952fa954SRodolfo Giometti 3176363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3177363c55caSWu Zhangjin def_bool y 31783f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3179363c55caSWu Zhangjin 3180f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3181f4cb5700SJohannes Berg def_bool y 31823f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3183f4cb5700SJohannes Berg 31842116245eSRalf Baechlesource "kernel/power/Kconfig" 3185952fa954SRodolfo Giometti 31861da177e4SLinus Torvaldsendmenu 31871da177e4SLinus Torvalds 31887a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31897a998935SViresh Kumar bool 31907a998935SViresh Kumar 31917a998935SViresh Kumarmenu "CPU Power Management" 3192c095ebafSPaul Burton 3193c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31947a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31957a998935SViresh Kumarendif 31969726b43aSWu Zhangjin 3197c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3198c095ebafSPaul Burton 3199c095ebafSPaul Burtonendmenu 3200c095ebafSPaul Burton 3201d5950b43SSam Ravnborgsource "net/Kconfig" 3202d5950b43SSam Ravnborg 32031da177e4SLinus Torvaldssource "drivers/Kconfig" 32041da177e4SLinus Torvalds 320598cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 320698cdee0eSRalf Baechle 32071da177e4SLinus Torvaldssource "fs/Kconfig" 32081da177e4SLinus Torvalds 32091da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 32101da177e4SLinus Torvalds 32111da177e4SLinus Torvaldssource "security/Kconfig" 32121da177e4SLinus Torvalds 32131da177e4SLinus Torvaldssource "crypto/Kconfig" 32141da177e4SLinus Torvalds 32151da177e4SLinus Torvaldssource "lib/Kconfig" 32162235a54dSSanjay Lal 32172235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3218