1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5942fa985SYury Norov select ARCH_32BIT_OFF_T if !64BIT 6ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 712597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 812597988SMatt Redfearn select ARCH_HAS_ELF_RANDOMIZE 912597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 101e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 1112597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 121ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1312597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1425da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 150b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 1612597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1712597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1812597988SMatt Redfearn select CLONE_BACKWARDS 1957eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2012597988SMatt Redfearn select CPU_PM if CPU_IDLE 2112597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2212597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2312597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2412597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 2524640f23SVincenzo Frascino select GENERIC_GETTIMEOFDAY 26b962aeb0SPaul Burton select GENERIC_IOMAP 2712597988SMatt Redfearn select GENERIC_IRQ_PROBE 2812597988SMatt Redfearn select GENERIC_IRQ_SHOW 296630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 30740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 31740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 32740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 33740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 34740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3512597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3612597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3712597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 38446f062bSChristoph Hellwig select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT 3912597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 40906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 4112597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4288547001SJason Wessel select HAVE_ARCH_KGDB 43109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 44109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 45490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 46c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4745e03e62SDaniel Silsby select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES 48716850abSHassan Naveed select HAVE_EBPF_JIT if (!CPU_MICROMIPS) 4912597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 5012597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5164575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5212597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5312597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5412597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5512597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5612597988SMatt Redfearn select HAVE_EXIT_THREAD 5767a929e0SChristoph Hellwig select HAVE_FAST_GUP 5812597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5929c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6012597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6112597988SMatt Redfearn select HAVE_IDE 62b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6312597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6412597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 65c1bf207dSDavid Daney select HAVE_KPROBES 66c1bf207dSDavid Daney select HAVE_KRETPROBES 67c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 689d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 69786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7042a0bb3fSPetr Mladek select HAVE_NMI 7112597988SMatt Redfearn select HAVE_OPROFILE 7212597988SMatt Redfearn select HAVE_PERF_EVENTS 7308bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 749ea141adSPaul Burton select HAVE_RSEQ 75d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7612597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 77a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 7824640f23SVincenzo Frascino select HAVE_GENERIC_VDSO 7912597988SMatt Redfearn select IRQ_FORCED_THREADING 806630a8e5SChristoph Hellwig select ISA if EISA 8112597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8212597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8312597988SMatt Redfearn select PERF_USE_VMALLOC 8405a0a344SArnd Bergmann select RTC_LIB 8512597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8612597988SMatt Redfearn select VIRT_TO_BUS 87*d1af2ab3SPaul Burton select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 881da177e4SLinus Torvalds 891da177e4SLinus Torvaldsmenu "Machine selection" 901da177e4SLinus Torvalds 915e83d430SRalf Baechlechoice 925e83d430SRalf Baechle prompt "System type" 93d41e6858SMatt Redfearn default MIPS_GENERIC 941da177e4SLinus Torvalds 95eed0eabdSPaul Burtonconfig MIPS_GENERIC 96eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 97eed0eabdSPaul Burton select BOOT_RAW 98eed0eabdSPaul Burton select BUILTIN_DTB 99eed0eabdSPaul Burton select CEVT_R4K 100eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 101eed0eabdSPaul Burton select COMMON_CLK 102eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 103eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 104eed0eabdSPaul Burton select CSRC_R4K 105eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 106eb01d42aSChristoph Hellwig select HAVE_PCI 107eed0eabdSPaul Burton select IRQ_MIPS_CPU 108eed0eabdSPaul Burton select LIBFDT 1090211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 110eed0eabdSPaul Burton select MIPS_CPU_SCACHE 111eed0eabdSPaul Burton select MIPS_GIC 112eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 113eed0eabdSPaul Burton select NO_EXCEPT_FILL 114eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 115eed0eabdSPaul Burton select PINCTRL 116eed0eabdSPaul Burton select SMP_UP if SMP 117a3078e59SMatt Redfearn select SWAP_IO_SPACE 118eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 119eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 120eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 121eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 122eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 123eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 124eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 125eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 126eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 127eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 128eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 129eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 130eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 131eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 132eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 133eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 134eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1352e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1362e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1372e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1382e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1392e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1402e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 141eed0eabdSPaul Burton select USE_OF 1422fe8ea39SDengcheng Zhu select UHI_BOOT 143eed0eabdSPaul Burton help 144eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 145eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 146eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 147eed0eabdSPaul Burton Interface) specification. 148eed0eabdSPaul Burton 14942a4f17dSManuel Laussconfig MIPS_ALCHEMY 150c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 151d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 152f772cdb2SRalf Baechle select CEVT_R4K 153d7ea335cSSteven J. Hill select CSRC_R4K 15467e38cf2SRalf Baechle select IRQ_MIPS_CPU 15588e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15642a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15742a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 15842a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 159d30a2b47SLinus Walleij select GPIOLIB 1601b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16147440229SManuel Lauss select COMMON_CLK 1621da177e4SLinus Torvalds 1637ca5dc14SFlorian Fainelliconfig AR7 1647ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1657ca5dc14SFlorian Fainelli select BOOT_ELF32 1667ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1677ca5dc14SFlorian Fainelli select CEVT_R4K 1687ca5dc14SFlorian Fainelli select CSRC_R4K 16967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1707ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1717ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1727ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1737ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1747ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1757ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 176377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1771b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 178d30a2b47SLinus Walleij select GPIOLIB 1797ca5dc14SFlorian Fainelli select VLYNQ 1808551fb64SYoichi Yuasa select HAVE_CLK 1817ca5dc14SFlorian Fainelli help 1827ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1837ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1847ca5dc14SFlorian Fainelli 18543cc739fSSergey Ryazanovconfig ATH25 18643cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18743cc739fSSergey Ryazanov select CEVT_R4K 18843cc739fSSergey Ryazanov select CSRC_R4K 18943cc739fSSergey Ryazanov select DMA_NONCOHERENT 19067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1911753e74eSSergey Ryazanov select IRQ_DOMAIN 19243cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19343cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19443cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1958aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19643cc739fSSergey Ryazanov help 19743cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 19843cc739fSSergey Ryazanov 199d4a67d9dSGabor Juhosconfig ATH79 200d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 201ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 202d4a67d9dSGabor Juhos select BOOT_RAW 203d4a67d9dSGabor Juhos select CEVT_R4K 204d4a67d9dSGabor Juhos select CSRC_R4K 205d4a67d9dSGabor Juhos select DMA_NONCOHERENT 206d30a2b47SLinus Walleij select GPIOLIB 207a08227a2SJohn Crispin select PINCTRL 20894638067SGabor Juhos select HAVE_CLK 209411520afSAlban Bedel select COMMON_CLK 2102c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21167e38cf2SRalf Baechle select IRQ_MIPS_CPU 212d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 213d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 214d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 215d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 216377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 217b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 21803c8c407SAlban Bedel select USE_OF 21953d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 220d4a67d9dSGabor Juhos help 221d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 222d4a67d9dSGabor Juhos 2235f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2245f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 225d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 226d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 227d666cd02SKevin Cernekee select BOOT_RAW 228d666cd02SKevin Cernekee select NO_EXCEPT_FILL 229d666cd02SKevin Cernekee select USE_OF 230d666cd02SKevin Cernekee select CEVT_R4K 231d666cd02SKevin Cernekee select CSRC_R4K 232d666cd02SKevin Cernekee select SYNC_R4K 233d666cd02SKevin Cernekee select COMMON_CLK 234c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23560b858f2SKevin Cernekee select BCM7038_L1_IRQ 23660b858f2SKevin Cernekee select BCM7120_L2_IRQ 23760b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 23867e38cf2SRalf Baechle select IRQ_MIPS_CPU 23960b858f2SKevin Cernekee select DMA_NONCOHERENT 240d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24160b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 242d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 243d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 247d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 248d666cd02SKevin Cernekee select SWAP_IO_SPACE 24960b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25160b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2534dc4704cSJustin Chen select HARDIRQS_SW_RESEND 254d666cd02SKevin Cernekee help 2555f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2565f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2575f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2585f2d4459SKevin Cernekee must be set appropriately for your board. 259d666cd02SKevin Cernekee 2601c0c13ebSAurelien Jarnoconfig BCM47XX 261c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 262fe08f8c2SHauke Mehrtens select BOOT_RAW 26342f77542SRalf Baechle select CEVT_R4K 264940f6b48SRalf Baechle select CSRC_R4K 2651c0c13ebSAurelien Jarno select DMA_NONCOHERENT 266eb01d42aSChristoph Hellwig select HAVE_PCI 26767e38cf2SRalf Baechle select IRQ_MIPS_CPU 268314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 269dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2701c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2711c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 272377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2736507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27425e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 275e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 276c949c0bcSRafał Miłecki select GPIOLIB 277c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 278f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2792ab71a02SRafał Miłecki select BCM47XX_SPROM 280dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2811c0c13ebSAurelien Jarno help 2821c0c13ebSAurelien Jarno Support for BCM47XX based boards 2831c0c13ebSAurelien Jarno 284e7300d04SMaxime Bizonconfig BCM63XX 285e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 286ae8de61cSFlorian Fainelli select BOOT_RAW 287e7300d04SMaxime Bizon select CEVT_R4K 288e7300d04SMaxime Bizon select CSRC_R4K 289fc264022SJonas Gorski select SYNC_R4K 290e7300d04SMaxime Bizon select DMA_NONCOHERENT 29167e38cf2SRalf Baechle select IRQ_MIPS_CPU 292e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 293e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 294e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 295e7300d04SMaxime Bizon select SWAP_IO_SPACE 296d30a2b47SLinus Walleij select GPIOLIB 2973e82eeebSYoichi Yuasa select HAVE_CLK 298af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 299c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 300e7300d04SMaxime Bizon help 301e7300d04SMaxime Bizon Support for BCM63XX based boards 302e7300d04SMaxime Bizon 3031da177e4SLinus Torvaldsconfig MIPS_COBALT 3043fa986faSMartin Michlmayr bool "Cobalt Server" 30542f77542SRalf Baechle select CEVT_R4K 306940f6b48SRalf Baechle select CSRC_R4K 3071097c6acSYoichi Yuasa select CEVT_GT641XX 3081da177e4SLinus Torvalds select DMA_NONCOHERENT 309eb01d42aSChristoph Hellwig select FORCE_PCI 310d865bea4SRalf Baechle select I8253 3111da177e4SLinus Torvalds select I8259 31267e38cf2SRalf Baechle select IRQ_MIPS_CPU 313d5ab1a69SYoichi Yuasa select IRQ_GT641XX 314252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3157cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3160a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 317ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3180e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3195e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 320e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3211da177e4SLinus Torvalds 3221da177e4SLinus Torvaldsconfig MACH_DECSTATION 3233fa986faSMartin Michlmayr bool "DECstations" 3241da177e4SLinus Torvalds select BOOT_ELF32 3256457d9fcSYoichi Yuasa select CEVT_DS1287 32681d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3274247417dSYoichi Yuasa select CSRC_IOASIC 32881d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 32920d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33020d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33120d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3321da177e4SLinus Torvalds select DMA_NONCOHERENT 333ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33467e38cf2SRalf Baechle select IRQ_MIPS_CPU 3357cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3367cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 337ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3387d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3401723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3411723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3421723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 343930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3445e83d430SRalf Baechle help 3451da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3461da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3471da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3501da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds DECstation 5000/50 3531da177e4SLinus Torvalds DECstation 5000/150 3541da177e4SLinus Torvalds DECstation 5000/260 3551da177e4SLinus Torvalds DECsystem 5900/260 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvalds otherwise choose R3000. 3581da177e4SLinus Torvalds 3595e83d430SRalf Baechleconfig MACH_JAZZ 3603fa986faSMartin Michlmayr bool "Jazz family of machines" 361a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3627a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3630e2794b0SRalf Baechle select FW_ARC 3640e2794b0SRalf Baechle select FW_ARC32 3655e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 36642f77542SRalf Baechle select CEVT_R4K 367940f6b48SRalf Baechle select CSRC_R4K 368e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3695e83d430SRalf Baechle select GENERIC_ISA_DMA 3708a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37167e38cf2SRalf Baechle select IRQ_MIPS_CPU 372d865bea4SRalf Baechle select I8253 3735e83d430SRalf Baechle select I8259 3745e83d430SRalf Baechle select ISA 3757cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3765e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3777d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3781723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3791da177e4SLinus Torvalds help 3805e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3815e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 382692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3835e83d430SRalf Baechle Olivetti M700-10 workstations. 3845e83d430SRalf Baechle 385de361e8bSPaul Burtonconfig MACH_INGENIC 386de361e8bSPaul Burton bool "Ingenic SoC based machines" 3875ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3885ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 389f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 390b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3915ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39267e38cf2SRalf Baechle select IRQ_MIPS_CPU 39337b4c3caSPaul Cercueil select PINCTRL 394d30a2b47SLinus Walleij select GPIOLIB 395ff1930c6SPaul Burton select COMMON_CLK 39683bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 39715205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 398ffb1843dSPaul Burton select USE_OF 3996ec127fbSPaul Burton select LIBFDT 4005ebabe59SLars-Peter Clausen 401171bb2f1SJohn Crispinconfig LANTIQ 402171bb2f1SJohn Crispin bool "Lantiq based platforms" 403171bb2f1SJohn Crispin select DMA_NONCOHERENT 40467e38cf2SRalf Baechle select IRQ_MIPS_CPU 405171bb2f1SJohn Crispin select CEVT_R4K 406171bb2f1SJohn Crispin select CSRC_R4K 407171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 408171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 409171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 410171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 411377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 412171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 413f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 414171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 415d30a2b47SLinus Walleij select GPIOLIB 416171bb2f1SJohn Crispin select SWAP_IO_SPACE 417171bb2f1SJohn Crispin select BOOT_RAW 418287e3f3fSJohn Crispin select CLKDEV_LOOKUP 419a0392222SJohn Crispin select USE_OF 4203f8c50c9SJohn Crispin select PINCTRL 4213f8c50c9SJohn Crispin select PINCTRL_LANTIQ 422c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 423c530781cSJohn Crispin select RESET_CONTROLLER 424171bb2f1SJohn Crispin 4251f21d2bdSBrian Murphyconfig LASAT 4261f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42742f77542SRalf Baechle select CEVT_R4K 42816f0bbbcSRalf Baechle select CRC32 429940f6b48SRalf Baechle select CSRC_R4K 4301f21d2bdSBrian Murphy select DMA_NONCOHERENT 4311f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 432eb01d42aSChristoph Hellwig select HAVE_PCI 43367e38cf2SRalf Baechle select IRQ_MIPS_CPU 4341f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4351f21d2bdSBrian Murphy select MIPS_NILE4 4361f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4371f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4381f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4391f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4401f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4411f21d2bdSBrian Murphy 44230ad29bbSHuacai Chenconfig MACH_LOONGSON32 44330ad29bbSHuacai Chen bool "Loongson-1 family of machines" 444c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 445ade299d8SYoichi Yuasa help 44630ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44785749d24SWu Zhangjin 44830ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 44930ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45030ad29bbSHuacai Chen Sciences (CAS). 451ade299d8SYoichi Yuasa 45230ad29bbSHuacai Chenconfig MACH_LOONGSON64 45330ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 454ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 455ca585cf9SKelvin Cheung help 45630ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 457ca585cf9SKelvin Cheung 45830ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 45930ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 46030ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 46130ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 46230ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 46330ad29bbSHuacai Chen Weiwu Hu. 464ca585cf9SKelvin Cheung 4656a438309SAndrew Brestickerconfig MACH_PISTACHIO 4666a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4676a438309SAndrew Bresticker select BOOT_ELF32 4686a438309SAndrew Bresticker select BOOT_RAW 4696a438309SAndrew Bresticker select CEVT_R4K 4706a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4716a438309SAndrew Bresticker select COMMON_CLK 4726a438309SAndrew Bresticker select CSRC_R4K 473645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 474d30a2b47SLinus Walleij select GPIOLIB 47567e38cf2SRalf Baechle select IRQ_MIPS_CPU 4766a438309SAndrew Bresticker select LIBFDT 4776a438309SAndrew Bresticker select MFD_SYSCON 4786a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4796a438309SAndrew Bresticker select MIPS_GIC 4806a438309SAndrew Bresticker select PINCTRL 4816a438309SAndrew Bresticker select REGULATOR 4826a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4836a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4846a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4856a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4866a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48741cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4886a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 489018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 490018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4916a438309SAndrew Bresticker select USE_OF 4926a438309SAndrew Bresticker help 4936a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4946a438309SAndrew Bresticker 4951da177e4SLinus Torvaldsconfig MIPS_MALTA 4963fa986faSMartin Michlmayr bool "MIPS Malta board" 49761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 498a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4997a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5001da177e4SLinus Torvalds select BOOT_ELF32 501fa71c960SRalf Baechle select BOOT_RAW 502e8823d26SPaul Burton select BUILTIN_DTB 50342f77542SRalf Baechle select CEVT_R4K 504fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50542b002abSGuenter Roeck select COMMON_CLK 50647bf2b03SMaksym Kokhan select CSRC_R4K 507885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5081da177e4SLinus Torvalds select GENERIC_ISA_DMA 5098a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 510eb01d42aSChristoph Hellwig select HAVE_PCI 511d865bea4SRalf Baechle select I8253 5121da177e4SLinus Torvalds select I8259 51347bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 51447bf2b03SMaksym Kokhan select LIBFDT 5155e83d430SRalf Baechle select MIPS_BONITO64 5169318c51aSChris Dearman select MIPS_CPU_SCACHE 51747bf2b03SMaksym Kokhan select MIPS_GIC 518a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5195e83d430SRalf Baechle select MIPS_MSC 52047bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 521ecafe3e9SPaul Burton select SMP_UP if SMP 5221da177e4SLinus Torvalds select SWAP_IO_SPACE 5237cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5247cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 525bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 526c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 527575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5287cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5295d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 530575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5317cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5327cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 533ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 534ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5355e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 536c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5375e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 538424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 53947bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5400365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 541e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 542f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 54347bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5449693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 545f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5461b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 547e8823d26SPaul Burton select USE_OF 548abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5491da177e4SLinus Torvalds help 550f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5511da177e4SLinus Torvalds board. 5521da177e4SLinus Torvalds 5532572f00dSJoshua Hendersonconfig MACH_PIC32 5542572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5552572f00dSJoshua Henderson help 5562572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5572572f00dSJoshua Henderson 5582572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5592572f00dSJoshua Henderson microcontrollers. 5602572f00dSJoshua Henderson 561a83860c2SRalf Baechleconfig NEC_MARKEINS 562a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 563a83860c2SRalf Baechle select SOC_EMMA2RH 564eb01d42aSChristoph Hellwig select HAVE_PCI 565a83860c2SRalf Baechle help 566a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 567ade299d8SYoichi Yuasa 5685e83d430SRalf Baechleconfig MACH_VR41XX 56974142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 57042f77542SRalf Baechle select CEVT_R4K 571940f6b48SRalf Baechle select CSRC_R4K 5727cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 573377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 574d30a2b47SLinus Walleij select GPIOLIB 5755e83d430SRalf Baechle 576edb6310aSDaniel Lairdconfig NXP_STB220 577edb6310aSDaniel Laird bool "NXP STB220 board" 578edb6310aSDaniel Laird select SOC_PNX833X 579edb6310aSDaniel Laird help 580edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 581edb6310aSDaniel Laird 582edb6310aSDaniel Lairdconfig NXP_STB225 583edb6310aSDaniel Laird bool "NXP 225 board" 584edb6310aSDaniel Laird select SOC_PNX833X 585edb6310aSDaniel Laird select SOC_PNX8335 586edb6310aSDaniel Laird help 587edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 588edb6310aSDaniel Laird 5899267a30dSMarc St-Jeanconfig PMC_MSP 5909267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 59139d30c13SAnoop P A select CEVT_R4K 59239d30c13SAnoop P A select CSRC_R4K 5939267a30dSMarc St-Jean select DMA_NONCOHERENT 5949267a30dSMarc St-Jean select SWAP_IO_SPACE 5959267a30dSMarc St-Jean select NO_EXCEPT_FILL 5969267a30dSMarc St-Jean select BOOT_RAW 5979267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5989267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5999267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6009267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 601377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 60267e38cf2SRalf Baechle select IRQ_MIPS_CPU 6039267a30dSMarc St-Jean select SERIAL_8250 6049267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6059296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6069296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6079267a30dSMarc St-Jean help 6089267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6099267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6109267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6119267a30dSMarc St-Jean a variety of MIPS cores. 6129267a30dSMarc St-Jean 613ae2b5bb6SJohn Crispinconfig RALINK 614ae2b5bb6SJohn Crispin bool "Ralink based machines" 615ae2b5bb6SJohn Crispin select CEVT_R4K 616ae2b5bb6SJohn Crispin select CSRC_R4K 617ae2b5bb6SJohn Crispin select BOOT_RAW 618ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61967e38cf2SRalf Baechle select IRQ_MIPS_CPU 620ae2b5bb6SJohn Crispin select USE_OF 621ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 622ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 623ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 624ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 625377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 626ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 627ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6282a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6292a153f1cSJohn Crispin select RESET_CONTROLLER 630ae2b5bb6SJohn Crispin 6311da177e4SLinus Torvaldsconfig SGI_IP22 6323fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6330e2794b0SRalf Baechle select FW_ARC 6340e2794b0SRalf Baechle select FW_ARC32 6357a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6361da177e4SLinus Torvalds select BOOT_ELF32 63742f77542SRalf Baechle select CEVT_R4K 638940f6b48SRalf Baechle select CSRC_R4K 639e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6401da177e4SLinus Torvalds select DMA_NONCOHERENT 6416630a8e5SChristoph Hellwig select HAVE_EISA 642d865bea4SRalf Baechle select I8253 64368de4803SThomas Bogendoerfer select I8259 6441da177e4SLinus Torvalds select IP22_CPU_SCACHE 64567e38cf2SRalf Baechle select IRQ_MIPS_CPU 646aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 647e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 648e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64936e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 650e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 651e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 652e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6531da177e4SLinus Torvalds select SWAP_IO_SPACE 6547cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6557cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6562b5e63f6SMartin Michlmayr # 6572b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6582b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6592b5e63f6SMartin Michlmayr # 6602b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6612b5e63f6SMartin Michlmayr # for a more details discussion 6622b5e63f6SMartin Michlmayr # 6632b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 664ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 665ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 667930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6681da177e4SLinus Torvalds help 6691da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6701da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6711da177e4SLinus Torvalds that runs on these, say Y here. 6721da177e4SLinus Torvalds 6731da177e4SLinus Torvaldsconfig SGI_IP27 6743fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67554aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 6760e2794b0SRalf Baechle select FW_ARC 6770e2794b0SRalf Baechle select FW_ARC64 6785e83d430SRalf Baechle select BOOT_ELF64 679e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 68036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 681eb01d42aSChristoph Hellwig select HAVE_PCI 68269a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 683e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 684130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 685a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 686a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 6877cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 688ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6895e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 690d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6911a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 692930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6931da177e4SLinus Torvalds help 6941da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6951da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6961da177e4SLinus Torvalds here. 6971da177e4SLinus Torvalds 698e2defae5SThomas Bogendoerferconfig SGI_IP28 6997d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 7000e2794b0SRalf Baechle select FW_ARC 7010e2794b0SRalf Baechle select FW_ARC64 7027a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 703e2defae5SThomas Bogendoerfer select BOOT_ELF64 704e2defae5SThomas Bogendoerfer select CEVT_R4K 705e2defae5SThomas Bogendoerfer select CSRC_R4K 706e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 707e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 708e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 70967e38cf2SRalf Baechle select IRQ_MIPS_CPU 7106630a8e5SChristoph Hellwig select HAVE_EISA 711e2defae5SThomas Bogendoerfer select I8253 712e2defae5SThomas Bogendoerfer select I8259 713e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 714e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7155b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 716e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 717e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 718e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 719e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 720e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7212b5e63f6SMartin Michlmayr # 7222b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7232b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7242b5e63f6SMartin Michlmayr # 7252b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7262b5e63f6SMartin Michlmayr # for a more details discussion 7272b5e63f6SMartin Michlmayr # 7282b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 729e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 730e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 731dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 732e2defae5SThomas Bogendoerfer help 733e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 734e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 735e2defae5SThomas Bogendoerfer 7361da177e4SLinus Torvaldsconfig SGI_IP32 737cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 73803df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7390e2794b0SRalf Baechle select FW_ARC 7400e2794b0SRalf Baechle select FW_ARC32 7411da177e4SLinus Torvalds select BOOT_ELF32 74242f77542SRalf Baechle select CEVT_R4K 743940f6b48SRalf Baechle select CSRC_R4K 7441da177e4SLinus Torvalds select DMA_NONCOHERENT 745eb01d42aSChristoph Hellwig select HAVE_PCI 74667e38cf2SRalf Baechle select IRQ_MIPS_CPU 7471da177e4SLinus Torvalds select R5000_CPU_SCACHE 7481da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7497cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7507cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7517cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 752dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 753ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7551da177e4SLinus Torvalds help 7561da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7571da177e4SLinus Torvalds 758ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 759ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7605e83d430SRalf Baechle select BOOT_ELF32 7615e83d430SRalf Baechle select SIBYTE_BCM1120 7625e83d430SRalf Baechle select SWAP_IO_SPACE 7637cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7655e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7665e83d430SRalf Baechle 767ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 768ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7695e83d430SRalf Baechle select BOOT_ELF32 7705e83d430SRalf Baechle select SIBYTE_BCM1120 7715e83d430SRalf Baechle select SWAP_IO_SPACE 7727cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7735e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7745e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7755e83d430SRalf Baechle 7765e83d430SRalf Baechleconfig SIBYTE_CRHONE 7773fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7785e83d430SRalf Baechle select BOOT_ELF32 7795e83d430SRalf Baechle select SIBYTE_BCM1125 7805e83d430SRalf Baechle select SWAP_IO_SPACE 7817cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7825e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7835e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7845e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7855e83d430SRalf Baechle 786ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 787ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 788ade299d8SYoichi Yuasa select BOOT_ELF32 789ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 790ade299d8SYoichi Yuasa select SWAP_IO_SPACE 791ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 792ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 793ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 794ade299d8SYoichi Yuasa 795ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 796ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 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 805cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 806e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 807ade299d8SYoichi Yuasa 808ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 809ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 810ade299d8SYoichi Yuasa select BOOT_ELF32 811fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 812ade299d8SYoichi Yuasa select SIBYTE_SB1250 813ade299d8SYoichi Yuasa select SWAP_IO_SPACE 814ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 815ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 816ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 817ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 818756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 819ade299d8SYoichi Yuasa 820ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 821ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 822ade299d8SYoichi Yuasa select BOOT_ELF32 823ade299d8SYoichi Yuasa select SIBYTE_SB1250 824ade299d8SYoichi Yuasa select SWAP_IO_SPACE 825ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 826ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 827ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 828e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 829ade299d8SYoichi Yuasa 830ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 831ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 832ade299d8SYoichi Yuasa select BOOT_ELF32 833ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 834ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 835ade299d8SYoichi Yuasa select SWAP_IO_SPACE 836ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 837ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 838651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 839ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 840cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 841e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 842ade299d8SYoichi Yuasa 84314b36af4SThomas Bogendoerferconfig SNI_RM 84414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8450e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8460e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 847aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8485e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 849a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8507a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8515e83d430SRalf Baechle select BOOT_ELF32 85242f77542SRalf Baechle select CEVT_R4K 853940f6b48SRalf Baechle select CSRC_R4K 854e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8555e83d430SRalf Baechle select DMA_NONCOHERENT 8565e83d430SRalf Baechle select GENERIC_ISA_DMA 8576630a8e5SChristoph Hellwig select HAVE_EISA 8588a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 859eb01d42aSChristoph Hellwig select HAVE_PCI 86067e38cf2SRalf Baechle select IRQ_MIPS_CPU 861d865bea4SRalf Baechle select I8253 8625e83d430SRalf Baechle select I8259 8635e83d430SRalf Baechle select ISA 8644a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8657cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8664a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 867c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8684a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 86936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 870ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8717d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8724a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8735e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8745e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8751da177e4SLinus Torvalds help 87614b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 87714b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8785e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8795e83d430SRalf Baechle support this machine type. 8801da177e4SLinus Torvalds 881edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 882edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8835e83d430SRalf Baechle 884edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 885edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 88623fbee9dSRalf Baechle 88773b4390fSRalf Baechleconfig MIKROTIK_RB532 88873b4390fSRalf Baechle bool "Mikrotik RB532 boards" 88973b4390fSRalf Baechle select CEVT_R4K 89073b4390fSRalf Baechle select CSRC_R4K 89173b4390fSRalf Baechle select DMA_NONCOHERENT 892eb01d42aSChristoph Hellwig select HAVE_PCI 89367e38cf2SRalf Baechle select IRQ_MIPS_CPU 89473b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 89573b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 89673b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 89773b4390fSRalf Baechle select SWAP_IO_SPACE 89873b4390fSRalf Baechle select BOOT_RAW 899d30a2b47SLinus Walleij select GPIOLIB 900930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 90173b4390fSRalf Baechle help 90273b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 90373b4390fSRalf Baechle based on the IDT RC32434 SoC. 90473b4390fSRalf Baechle 9059ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9069ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 907a86c7f72SDavid Daney select CEVT_R4K 908ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9091753d50cSChristoph Hellwig select HAVE_RAPIDIO 910d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 911a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 912a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 913f65aad41SRalf Baechle select EDAC_SUPPORT 914b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 91573569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 91673569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 917a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9185e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 919eb01d42aSChristoph Hellwig select HAVE_PCI 920f00e001eSDavid Daney select ZONE_DMA32 921465aaed0SDavid Daney select HOLES_IN_ZONE 922d30a2b47SLinus Walleij select GPIOLIB 9236e511163SDavid Daney select LIBFDT 9246e511163SDavid Daney select USE_OF 9256e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9266e511163SDavid Daney select SYS_SUPPORTS_SMP 9277820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9287820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 929e326479fSAndrew Bresticker select BUILTIN_DTB 9308c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 93109230cbcSChristoph Hellwig select SWIOTLB 9323ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 933a86c7f72SDavid Daney help 934a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 935a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 936a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 937a86c7f72SDavid Daney Some of the supported boards are: 938a86c7f72SDavid Daney EBT3000 939a86c7f72SDavid Daney EBH3000 940a86c7f72SDavid Daney EBH3100 941a86c7f72SDavid Daney Thunder 942a86c7f72SDavid Daney Kodama 943a86c7f72SDavid Daney Hikari 944a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 945a86c7f72SDavid Daney 9467f058e85SJayachandran Cconfig NLM_XLR_BOARD 9477f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9487f058e85SJayachandran C select BOOT_ELF32 9497f058e85SJayachandran C select NLM_COMMON 9507f058e85SJayachandran C select SYS_HAS_CPU_XLR 9517f058e85SJayachandran C select SYS_SUPPORTS_SMP 952eb01d42aSChristoph Hellwig select HAVE_PCI 9537f058e85SJayachandran C select SWAP_IO_SPACE 9547f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9557f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 956d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9577f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9587f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9597f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9607f058e85SJayachandran C select CEVT_R4K 9617f058e85SJayachandran C select CSRC_R4K 96267e38cf2SRalf Baechle select IRQ_MIPS_CPU 963b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9647f058e85SJayachandran C select SYNC_R4K 9657f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9668f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9678f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9687f058e85SJayachandran C help 9697f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9707f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9717f058e85SJayachandran C 9721c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9731c773ea4SJayachandran C bool "Netlogic XLP based systems" 9741c773ea4SJayachandran C select BOOT_ELF32 9751c773ea4SJayachandran C select NLM_COMMON 9761c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9771c773ea4SJayachandran C select SYS_SUPPORTS_SMP 978eb01d42aSChristoph Hellwig select HAVE_PCI 9791c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9801c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 981d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 982d30a2b47SLinus Walleij select GPIOLIB 9831c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9841c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9851c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9861c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9871c773ea4SJayachandran C select CEVT_R4K 9881c773ea4SJayachandran C select CSRC_R4K 98967e38cf2SRalf Baechle select IRQ_MIPS_CPU 990b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9911c773ea4SJayachandran C select SYNC_R4K 9921c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9932f6528e1SJayachandran C select USE_OF 9948f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9958f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9961c773ea4SJayachandran C help 9971c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9981c773ea4SJayachandran C Say Y here if you have a XLP based board. 9991c773ea4SJayachandran C 10009bc463beSDavid Daneyconfig MIPS_PARAVIRT 10019bc463beSDavid Daney bool "Para-Virtualized guest system" 10029bc463beSDavid Daney select CEVT_R4K 10039bc463beSDavid Daney select CSRC_R4K 10049bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10059bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10069bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10079bc463beSDavid Daney select SYS_SUPPORTS_SMP 10089bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10099bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10109bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10119bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10129bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1013eb01d42aSChristoph Hellwig select HAVE_PCI 10149bc463beSDavid Daney select SWAP_IO_SPACE 10159bc463beSDavid Daney help 10169bc463beSDavid Daney This option supports guest running under ???? 10179bc463beSDavid Daney 10181da177e4SLinus Torvaldsendchoice 10191da177e4SLinus Torvalds 1020e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10213b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1022d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1023a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1024e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10258945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1026eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10275e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10285ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10298ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10301f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10312572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1032af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10330f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1034ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 103529c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 103638b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 103722b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10385e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1039a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 104030ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 104130ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10427f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1043ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 104438b18f72SRalf Baechle 10455e83d430SRalf Baechleendmenu 10465e83d430SRalf Baechle 10473c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10483c9ee7efSAkinobu Mita bool 10493c9ee7efSAkinobu Mita default y 10503c9ee7efSAkinobu Mita 10511da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10521da177e4SLinus Torvalds bool 10531da177e4SLinus Torvalds default y 10541da177e4SLinus Torvalds 1055ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10561cc89038SAtsushi Nemoto bool 10571cc89038SAtsushi Nemoto default y 10581cc89038SAtsushi Nemoto 10591da177e4SLinus Torvalds# 10601da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10611da177e4SLinus Torvalds# 10620e2794b0SRalf Baechleconfig FW_ARC 10631da177e4SLinus Torvalds bool 10641da177e4SLinus Torvalds 106561ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106661ed242dSRalf Baechle bool 106761ed242dSRalf Baechle 10689267a30dSMarc St-Jeanconfig BOOT_RAW 10699267a30dSMarc St-Jean bool 10709267a30dSMarc St-Jean 1071217dd11eSRalf Baechleconfig CEVT_BCM1480 1072217dd11eSRalf Baechle bool 1073217dd11eSRalf Baechle 10746457d9fcSYoichi Yuasaconfig CEVT_DS1287 10756457d9fcSYoichi Yuasa bool 10766457d9fcSYoichi Yuasa 10771097c6acSYoichi Yuasaconfig CEVT_GT641XX 10781097c6acSYoichi Yuasa bool 10791097c6acSYoichi Yuasa 108042f77542SRalf Baechleconfig CEVT_R4K 108142f77542SRalf Baechle bool 108242f77542SRalf Baechle 1083217dd11eSRalf Baechleconfig CEVT_SB1250 1084217dd11eSRalf Baechle bool 1085217dd11eSRalf Baechle 1086229f773eSAtsushi Nemotoconfig CEVT_TXX9 1087229f773eSAtsushi Nemoto bool 1088229f773eSAtsushi Nemoto 1089217dd11eSRalf Baechleconfig CSRC_BCM1480 1090217dd11eSRalf Baechle bool 1091217dd11eSRalf Baechle 10924247417dSYoichi Yuasaconfig CSRC_IOASIC 10934247417dSYoichi Yuasa bool 10944247417dSYoichi Yuasa 1095940f6b48SRalf Baechleconfig CSRC_R4K 1096940f6b48SRalf Baechle bool 1097940f6b48SRalf Baechle 1098217dd11eSRalf Baechleconfig CSRC_SB1250 1099217dd11eSRalf Baechle bool 1100217dd11eSRalf Baechle 1101a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1102a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1103a7f4df4eSAlex Smith 1104a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1105d30a2b47SLinus Walleij select GPIOLIB 1106a9aec7feSAtsushi Nemoto bool 1107a9aec7feSAtsushi Nemoto 11080e2794b0SRalf Baechleconfig FW_CFE 1109df78b5c8SAurelien Jarno bool 1110df78b5c8SAurelien Jarno 111140e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111240e084a5SRalf Baechle bool 111340e084a5SRalf Baechle 1114885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1115f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1116885014bcSFelix Fietkau select DMA_NONCOHERENT 1117885014bcSFelix Fietkau bool 1118885014bcSFelix Fietkau 111920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112020d33064SPaul Burton bool 1121347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11225748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112320d33064SPaul Burton 11241da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11251da177e4SLinus Torvalds bool 112658b04406SChristoph Hellwig select ARCH_HAS_DMA_MMAP_PGPROT 1127f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11282ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1129e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 113058b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1131f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11324ce588cdSRalf Baechle 113336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11341da177e4SLinus Torvalds bool 11351da177e4SLinus Torvalds 11361b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1137dbb74540SRalf Baechle bool 1138dbb74540SRalf Baechle 11391da177e4SLinus Torvaldsconfig MIPS_BONITO64 11401da177e4SLinus Torvalds bool 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvaldsconfig MIPS_MSC 11431da177e4SLinus Torvalds bool 11441da177e4SLinus Torvalds 11451f21d2bdSBrian Murphyconfig MIPS_NILE4 11461f21d2bdSBrian Murphy bool 11471f21d2bdSBrian Murphy 114839b8d525SRalf Baechleconfig SYNC_R4K 114939b8d525SRalf Baechle bool 115039b8d525SRalf Baechle 1151487d70d0SGabor Juhosconfig MIPS_MACHINE 1152487d70d0SGabor Juhos def_bool n 1153487d70d0SGabor Juhos 1154ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1155d388d685SMaciej W. Rozycki def_bool n 1156d388d685SMaciej W. Rozycki 11574e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11584e0748f5SMarkos Chandras bool 1159932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11604e0748f5SMarkos Chandras 11618313da30SRalf Baechleconfig GENERIC_ISA_DMA 11628313da30SRalf Baechle bool 11638313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1164a35bee8aSNamhyung Kim select ISA_DMA_API 11658313da30SRalf Baechle 1166aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1167aa414dffSRalf Baechle bool 11688313da30SRalf Baechle select GENERIC_ISA_DMA 1169aa414dffSRalf Baechle 1170a35bee8aSNamhyung Kimconfig ISA_DMA_API 1171a35bee8aSNamhyung Kim bool 1172a35bee8aSNamhyung Kim 1173465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1174465aaed0SDavid Daney bool 1175465aaed0SDavid Daney 11768c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11778c530ea3SMatt Redfearn bool 11788c530ea3SMatt Redfearn help 11798c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11808c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11818c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11828c530ea3SMatt Redfearn 1183f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1184f381bf6dSDavid Daney def_bool y 1185f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1186f381bf6dSDavid Daney 1187f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1188f381bf6dSDavid Daney def_bool y 1189f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1190f381bf6dSDavid Daney 1191f381bf6dSDavid Daney 11925e83d430SRalf Baechle# 11936b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11945e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11955e83d430SRalf Baechle# choice statement should be more obvious to the user. 11965e83d430SRalf Baechle# 11975e83d430SRalf Baechlechoice 11986b2aac42SMasanari Iida prompt "Endianness selection" 11991da177e4SLinus Torvalds help 12001da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12015e83d430SRalf Baechle byte order. These modes require different kernels and a different 12023cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12035e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12043dde6ad8SDavid Sterba one or the other endianness. 12055e83d430SRalf Baechle 12065e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12075e83d430SRalf Baechle bool "Big endian" 12085e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12095e83d430SRalf Baechle 12105e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12115e83d430SRalf Baechle bool "Little endian" 12125e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12135e83d430SRalf Baechle 12145e83d430SRalf Baechleendchoice 12155e83d430SRalf Baechle 121622b0763aSDavid Daneyconfig EXPORT_UASM 121722b0763aSDavid Daney bool 121822b0763aSDavid Daney 12192116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12202116245eSRalf Baechle bool 12212116245eSRalf Baechle 12225e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12235e83d430SRalf Baechle bool 12245e83d430SRalf Baechle 12255e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12265e83d430SRalf Baechle bool 12271da177e4SLinus Torvalds 12289cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12299cffd154SDavid Daney bool 123045e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12319cffd154SDavid Daney default y 12329cffd154SDavid Daney 1233aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1234aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1235aa1762f4SDavid Daney 12361da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12371da177e4SLinus Torvalds bool 12381da177e4SLinus Torvalds 12399267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12409267a30dSMarc St-Jean bool 12419267a30dSMarc St-Jean 12429267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12439267a30dSMarc St-Jean bool 12449267a30dSMarc St-Jean 12458420fd00SAtsushi Nemotoconfig IRQ_TXX9 12468420fd00SAtsushi Nemoto bool 12478420fd00SAtsushi Nemoto 1248d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1249d5ab1a69SYoichi Yuasa bool 1250d5ab1a69SYoichi Yuasa 1251252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12521da177e4SLinus Torvalds bool 12531da177e4SLinus Torvalds 1254a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1255a57140e9SThomas Bogendoerfer bool 1256a57140e9SThomas Bogendoerfer 12579267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12589267a30dSMarc St-Jean bool 12599267a30dSMarc St-Jean 1260a83860c2SRalf Baechleconfig SOC_EMMA2RH 1261a83860c2SRalf Baechle bool 1262a83860c2SRalf Baechle select CEVT_R4K 1263a83860c2SRalf Baechle select CSRC_R4K 1264a83860c2SRalf Baechle select DMA_NONCOHERENT 126567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1266a83860c2SRalf Baechle select SWAP_IO_SPACE 1267a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1268a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1269a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1270a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1271a83860c2SRalf Baechle 1272edb6310aSDaniel Lairdconfig SOC_PNX833X 1273edb6310aSDaniel Laird bool 1274edb6310aSDaniel Laird select CEVT_R4K 1275edb6310aSDaniel Laird select CSRC_R4K 127667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1277edb6310aSDaniel Laird select DMA_NONCOHERENT 1278edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1279edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1280edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1281edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1282377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1283edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1284edb6310aSDaniel Laird 1285edb6310aSDaniel Lairdconfig SOC_PNX8335 1286edb6310aSDaniel Laird bool 1287edb6310aSDaniel Laird select SOC_PNX833X 1288edb6310aSDaniel Laird 1289a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1290a7e07b1aSMarkos Chandras bool 1291a7e07b1aSMarkos Chandras 12921da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12931da177e4SLinus Torvalds bool 12941da177e4SLinus Torvalds 1295e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1296e2defae5SThomas Bogendoerfer bool 1297e2defae5SThomas Bogendoerfer 12985b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12995b438c44SThomas Bogendoerfer bool 13005b438c44SThomas Bogendoerfer 1301e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1302e2defae5SThomas Bogendoerfer bool 1303e2defae5SThomas Bogendoerfer 1304e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1305e2defae5SThomas Bogendoerfer bool 1306e2defae5SThomas Bogendoerfer 1307e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1308e2defae5SThomas Bogendoerfer bool 1309e2defae5SThomas Bogendoerfer 1310e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1311e2defae5SThomas Bogendoerfer bool 1312e2defae5SThomas Bogendoerfer 1313e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1314e2defae5SThomas Bogendoerfer bool 1315e2defae5SThomas Bogendoerfer 13160e2794b0SRalf Baechleconfig FW_ARC32 13175e83d430SRalf Baechle bool 13185e83d430SRalf Baechle 1319aaa9fad3SPaul Bolleconfig FW_SNIPROM 1320231a35d3SThomas Bogendoerfer bool 1321231a35d3SThomas Bogendoerfer 13221da177e4SLinus Torvaldsconfig BOOT_ELF32 13231da177e4SLinus Torvalds bool 13241da177e4SLinus Torvalds 1325930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1326930beb5aSFlorian Fainelli bool 1327930beb5aSFlorian Fainelli 1328930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1329930beb5aSFlorian Fainelli bool 1330930beb5aSFlorian Fainelli 1331930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1332930beb5aSFlorian Fainelli bool 1333930beb5aSFlorian Fainelli 1334930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1335930beb5aSFlorian Fainelli bool 1336930beb5aSFlorian Fainelli 13371da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13381da177e4SLinus Torvalds int 1339a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13405432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13415432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13425432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13431da177e4SLinus Torvalds default "5" 13441da177e4SLinus Torvalds 13451da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13461da177e4SLinus Torvalds bool 13471da177e4SLinus Torvalds 13481da177e4SLinus Torvaldsconfig ARC_CONSOLE 13491da177e4SLinus Torvalds bool "ARC console support" 1350e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvaldsconfig ARC_MEMORY 13531da177e4SLinus Torvalds bool 135414b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13551da177e4SLinus Torvalds default y 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvaldsconfig ARC_PROMLIB 13581da177e4SLinus Torvalds bool 1359e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13601da177e4SLinus Torvalds default y 13611da177e4SLinus Torvalds 13620e2794b0SRalf Baechleconfig FW_ARC64 13631da177e4SLinus Torvalds bool 13641da177e4SLinus Torvalds 13651da177e4SLinus Torvaldsconfig BOOT_ELF64 13661da177e4SLinus Torvalds bool 13671da177e4SLinus Torvalds 13681da177e4SLinus Torvaldsmenu "CPU selection" 13691da177e4SLinus Torvalds 13701da177e4SLinus Torvaldschoice 13711da177e4SLinus Torvalds prompt "CPU type" 13721da177e4SLinus Torvalds default CPU_R4X00 13731da177e4SLinus Torvalds 13740e476d91SHuacai Chenconfig CPU_LOONGSON3 13750e476d91SHuacai Chen bool "Loongson 3 CPU" 13760e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1377d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13780e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13790e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13800e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 1381932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13820e476d91SHuacai Chen select WEAK_ORDERING 13830e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1384b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 138517c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1386d30a2b47SLinus Walleij select GPIOLIB 138709230cbcSChristoph Hellwig select SWIOTLB 13880e476d91SHuacai Chen help 13890e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13900e476d91SHuacai Chen set with many extensions. 13910e476d91SHuacai Chen 13921e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13931e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13941e820da3SHuacai Chen default n 13951e820da3SHuacai Chen select CPU_MIPSR2 13961e820da3SHuacai Chen select CPU_HAS_PREFETCH 13971e820da3SHuacai Chen depends on CPU_LOONGSON3 13981e820da3SHuacai Chen help 13991e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 14001e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 14011e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 14021e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14031e820da3SHuacai Chen Fast TLB refill support, etc. 14041e820da3SHuacai Chen 14051e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14061e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14071e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14081e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14091e820da3SHuacai Chen 1410e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1411e02e07e3SHuacai Chen bool "Old Loongson 3 LLSC Workarounds" 1412e02e07e3SHuacai Chen default y if SMP 1413e02e07e3SHuacai Chen depends on CPU_LOONGSON3 1414e02e07e3SHuacai Chen help 1415e02e07e3SHuacai Chen Loongson 3 processors have the llsc issues which require workarounds. 1416e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1417e02e07e3SHuacai Chen 1418e02e07e3SHuacai Chen Newer Loongson 3 will fix these issues and no workarounds are needed. 1419e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1420e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1421e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1422e02e07e3SHuacai Chen 1423e02e07e3SHuacai Chen If unsure, please say Y. 1424e02e07e3SHuacai Chen 14253702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14263702bba5SWu Zhangjin bool "Loongson 2E" 14273702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14283702bba5SWu Zhangjin select CPU_LOONGSON2 14292a21c730SFuxin Zhang help 14302a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14312a21c730SFuxin Zhang with many extensions. 14322a21c730SFuxin Zhang 143325985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14346f7a251aSWu Zhangjin bonito64. 14356f7a251aSWu Zhangjin 14366f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14376f7a251aSWu Zhangjin bool "Loongson 2F" 14386f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14396f7a251aSWu Zhangjin select CPU_LOONGSON2 1440d30a2b47SLinus Walleij select GPIOLIB 14416f7a251aSWu Zhangjin help 14426f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14436f7a251aSWu Zhangjin with many extensions. 14446f7a251aSWu Zhangjin 14456f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14466f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14476f7a251aSWu Zhangjin Loongson2E. 14486f7a251aSWu Zhangjin 1449ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1450ca585cf9SKelvin Cheung bool "Loongson 1B" 1451ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1452ca585cf9SKelvin Cheung select CPU_LOONGSON1 14539ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1454ca585cf9SKelvin Cheung help 1455ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1456968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1457968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1458ca585cf9SKelvin Cheung 145912e3280bSYang Lingconfig CPU_LOONGSON1C 146012e3280bSYang Ling bool "Loongson 1C" 146112e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 146212e3280bSYang Ling select CPU_LOONGSON1 146312e3280bSYang Ling select LEDS_GPIO_REGISTER 146412e3280bSYang Ling help 146512e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1466968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1467968dc5a0S谢致邦 (XIE Zhibang) instruction set. 146812e3280bSYang Ling 14696e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14706e760c8dSRalf Baechle bool "MIPS32 Release 1" 14717cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14726e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1473932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1474797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1475ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14766e760c8dSRalf Baechle help 14775e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14781e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14791e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14801e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14811e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14821e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14831e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14841e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14851e5f1caaSRalf Baechle performance. 14861e5f1caaSRalf Baechle 14871e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14881e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14897cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14901e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1491932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1492797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1493ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1494a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14952235a54dSSanjay Lal select HAVE_KVM 14961e5f1caaSRalf Baechle help 14975e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14986e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14996e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15006e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15016e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15021da177e4SLinus Torvalds 15037fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1504674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15057fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15067fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15077fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15087fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15097fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15107fd08ca5SLeonid Yegoshin select HAVE_KVM 15117fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15127fd08ca5SLeonid Yegoshin help 15137fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15147fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15157fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15167fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15177fd08ca5SLeonid Yegoshin 15186e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15196e760c8dSRalf Baechle bool "MIPS64 Release 1" 15207cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1521797798c1SRalf Baechle select CPU_HAS_PREFETCH 1522932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1523ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1524ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1525ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15269cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15276e760c8dSRalf Baechle help 15286e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15296e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15306e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15316e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15326e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15331e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15341e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15351e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15361e5f1caaSRalf Baechle performance. 15371e5f1caaSRalf Baechle 15381e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15391e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15407cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1541797798c1SRalf Baechle select CPU_HAS_PREFETCH 1542932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15431e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15441e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1545ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15469cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1547a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 154840a2df49SJames Hogan select HAVE_KVM 15491e5f1caaSRalf Baechle help 15501e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15511e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15521e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15531e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15541e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15551da177e4SLinus Torvalds 15567fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1557674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15587fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15597fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15607fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15617fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15627fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1563afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15647fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15652e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 156640a2df49SJames Hogan select HAVE_KVM 15677fd08ca5SLeonid Yegoshin help 15687fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15697fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15707fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15717fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15727fd08ca5SLeonid Yegoshin 15731da177e4SLinus Torvaldsconfig CPU_R3000 15741da177e4SLinus Torvalds bool "R3000" 15757cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1576f7062ddbSRalf Baechle select CPU_HAS_WB 1577932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 157854746829SPaul Burton select CPU_R3K_TLB 1579ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1580797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15811da177e4SLinus Torvalds help 15821da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15831da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15841da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15851da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15861da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15871da177e4SLinus Torvalds try to recompile with R3000. 15881da177e4SLinus Torvalds 15891da177e4SLinus Torvaldsconfig CPU_TX39XX 15901da177e4SLinus Torvalds bool "R39XX" 15917cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1592ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1593932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 159454746829SPaul Burton select CPU_R3K_TLB 15951da177e4SLinus Torvalds 15961da177e4SLinus Torvaldsconfig CPU_VR41XX 15971da177e4SLinus Torvalds bool "R41xx" 15987cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1599ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1600ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1601932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16021da177e4SLinus Torvalds help 16035e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16041da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16051da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16061da177e4SLinus Torvalds processor or vice versa. 16071da177e4SLinus Torvalds 16081da177e4SLinus Torvaldsconfig CPU_R4X00 16091da177e4SLinus Torvalds bool "R4x00" 16107cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1611ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1612ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1613970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1614932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16151da177e4SLinus Torvalds help 16161da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16171da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16181da177e4SLinus Torvalds 16191da177e4SLinus Torvaldsconfig CPU_TX49XX 16201da177e4SLinus Torvalds bool "R49XX" 16217cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1622de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1623932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1624ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1625ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1626970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16271da177e4SLinus Torvalds 16281da177e4SLinus Torvaldsconfig CPU_R5000 16291da177e4SLinus Torvalds bool "R5000" 16307cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1631ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1632ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1633970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1634932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16351da177e4SLinus Torvalds help 16361da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16371da177e4SLinus Torvalds 1638542c1020SShinya Kuribayashiconfig CPU_R5500 1639542c1020SShinya Kuribayashi bool "R5500" 1640542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1641542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1642542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16439cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1644932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1645542c1020SShinya Kuribayashi help 1646542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1647542c1020SShinya Kuribayashi instruction set. 1648542c1020SShinya Kuribayashi 16491da177e4SLinus Torvaldsconfig CPU_NEVADA 16501da177e4SLinus Torvalds bool "RM52xx" 16517cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1652ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1653ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1654970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1655932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16561da177e4SLinus Torvalds help 16571da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvaldsconfig CPU_R10000 16601da177e4SLinus Torvalds bool "R10000" 16617cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16625e83d430SRalf Baechle select CPU_HAS_PREFETCH 1663932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1665ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1666797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1667970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16681da177e4SLinus Torvalds help 16691da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvaldsconfig CPU_RM7000 16721da177e4SLinus Torvalds bool "RM7000" 16737cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16745e83d430SRalf Baechle select CPU_HAS_PREFETCH 1675932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1676ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1677ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1678797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1679970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvaldsconfig CPU_SB1 16821da177e4SLinus Torvalds bool "SB1" 16837cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1684932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1685ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1686ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1687797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1688970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16890004a9dfSRalf Baechle select WEAK_ORDERING 16901da177e4SLinus Torvalds 1691a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1692a86c7f72SDavid Daney bool "Cavium Octeon processor" 16935e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1694a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1695932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1696a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1697a86c7f72SDavid Daney select WEAK_ORDERING 1698a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16999cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1700df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1701df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1702930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17030ae3abcdSJames Hogan select HAVE_KVM 1704a86c7f72SDavid Daney help 1705a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1706a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1707a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1708a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1709a86c7f72SDavid Daney 1710cd746249SJonas Gorskiconfig CPU_BMIPS 1711cd746249SJonas Gorski bool "Broadcom BMIPS" 1712cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1713cd746249SJonas Gorski select CPU_MIPS32 1714fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1715cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1716cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1717cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1718cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1719cd746249SJonas Gorski select DMA_NONCOHERENT 172067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1721cd746249SJonas Gorski select SWAP_IO_SPACE 1722cd746249SJonas Gorski select WEAK_ORDERING 1723c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172469aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1725932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1726a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1727a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1728c1c0c461SKevin Cernekee help 1729fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1730c1c0c461SKevin Cernekee 17317f058e85SJayachandran Cconfig CPU_XLR 17327f058e85SJayachandran C bool "Netlogic XLR SoC" 17337f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1734932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17357f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17367f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17377f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1738970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17397f058e85SJayachandran C select WEAK_ORDERING 17407f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17417f058e85SJayachandran C help 17427f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17431c773ea4SJayachandran C 17441c773ea4SJayachandran Cconfig CPU_XLP 17451c773ea4SJayachandran C bool "Netlogic XLP SoC" 17461c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17471c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17481c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17491c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17501c773ea4SJayachandran C select WEAK_ORDERING 17511c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17521c773ea4SJayachandran C select CPU_HAS_PREFETCH 1753932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1754d6504846SJayachandran C select CPU_MIPSR2 1755ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17562db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17571c773ea4SJayachandran C help 17581c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17591da177e4SLinus Torvaldsendchoice 17601da177e4SLinus Torvalds 1761a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1762a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1763a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17647fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1765a6e18781SLeonid Yegoshin help 1766a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1767a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1768a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1769a6e18781SLeonid Yegoshin 1770a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1771a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1772a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1773a6e18781SLeonid Yegoshin select EVA 1774a6e18781SLeonid Yegoshin default y 1775a6e18781SLeonid Yegoshin help 1776a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1777a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1778a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1779a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1780a6e18781SLeonid Yegoshin 1781c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1782c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1783c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1784c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1785c5b36783SSteven J. Hill help 1786c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1787c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1788c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1789c5b36783SSteven J. Hill 1790c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1791c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1792c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1793c5b36783SSteven J. Hill depends on !EVA 1794c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1795c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1796c5b36783SSteven J. Hill select XPA 1797c5b36783SSteven J. Hill select HIGHMEM 1798d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1799c5b36783SSteven J. Hill default n 1800c5b36783SSteven J. Hill help 1801c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1802c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1803c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1804c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1805c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1806c5b36783SSteven J. Hill If unsure, say 'N' here. 1807c5b36783SSteven J. Hill 1808622844bfSWu Zhangjinif CPU_LOONGSON2F 1809622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1810622844bfSWu Zhangjin bool 1811622844bfSWu Zhangjin 1812622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1813622844bfSWu Zhangjin bool 1814622844bfSWu Zhangjin 1815622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1816622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1817622844bfSWu Zhangjin default y 1818622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1819622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1820622844bfSWu Zhangjin help 1821622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1822622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1823622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1824622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1825622844bfSWu Zhangjin 1826622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1827622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1828622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1829622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1830622844bfSWu Zhangjin systems. 1831622844bfSWu Zhangjin 1832622844bfSWu Zhangjin If unsure, please say Y. 1833622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1834622844bfSWu Zhangjin 18351b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18361b93b3c3SWu Zhangjin bool 18371b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18381b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 183931c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18401b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1841fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18424e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18431b93b3c3SWu Zhangjin 18441b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18451b93b3c3SWu Zhangjin bool 18461b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18471b93b3c3SWu Zhangjin 1848dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1849dbb98314SAlban Bedel bool 1850dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1851dbb98314SAlban Bedel 18523702bba5SWu Zhangjinconfig CPU_LOONGSON2 18533702bba5SWu Zhangjin bool 18543702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18553702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18563702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1857970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1858e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1859932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18603702bba5SWu Zhangjin 1861ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1862ca585cf9SKelvin Cheung bool 1863ca585cf9SKelvin Cheung select CPU_MIPS32 18647e280f6bSJiaxun Yang select CPU_MIPSR2 1865ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1866932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1867ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1868ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1869f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1870ca585cf9SKelvin Cheung 1871fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 187204fa8bf7SJonas Gorski select SMP_UP if SMP 18731bbb6c1bSKevin Cernekee bool 1874cd746249SJonas Gorski 1875cd746249SJonas Gorskiconfig CPU_BMIPS4350 1876cd746249SJonas Gorski bool 1877cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1878cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1879cd746249SJonas Gorski 1880cd746249SJonas Gorskiconfig CPU_BMIPS4380 1881cd746249SJonas Gorski bool 1882bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1883cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1884cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1885b4720809SFlorian Fainelli select CPU_HAS_RIXI 1886cd746249SJonas Gorski 1887cd746249SJonas Gorskiconfig CPU_BMIPS5000 1888cd746249SJonas Gorski bool 1889cd746249SJonas Gorski select MIPS_CPU_SCACHE 1890bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1891cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1892cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1893b4720809SFlorian Fainelli select CPU_HAS_RIXI 18941bbb6c1bSKevin Cernekee 18950e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18960e476d91SHuacai Chen bool 18970e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1898b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18990e476d91SHuacai Chen 19003702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19012a21c730SFuxin Zhang bool 19022a21c730SFuxin Zhang 19036f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19046f7a251aSWu Zhangjin bool 190555045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 190655045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 190722f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19086f7a251aSWu Zhangjin 1909ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1910ca585cf9SKelvin Cheung bool 1911ca585cf9SKelvin Cheung 191212e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 191312e3280bSYang Ling bool 191412e3280bSYang Ling 19157cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19167cf8053bSRalf Baechle bool 19177cf8053bSRalf Baechle 19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19197cf8053bSRalf Baechle bool 19207cf8053bSRalf Baechle 1921a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1922a6e18781SLeonid Yegoshin bool 1923a6e18781SLeonid Yegoshin 1924c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1925c5b36783SSteven J. Hill bool 19269ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1927c5b36783SSteven J. Hill 19287fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19297fd08ca5SLeonid Yegoshin bool 19309ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19317fd08ca5SLeonid Yegoshin 19327cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19337cf8053bSRalf Baechle bool 19347cf8053bSRalf Baechle 19357cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19367cf8053bSRalf Baechle bool 19377cf8053bSRalf Baechle 19387fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19397fd08ca5SLeonid Yegoshin bool 19409ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19417fd08ca5SLeonid Yegoshin 19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19437cf8053bSRalf Baechle bool 19447cf8053bSRalf Baechle 19457cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19467cf8053bSRalf Baechle bool 19477cf8053bSRalf Baechle 19487cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19497cf8053bSRalf Baechle bool 19507cf8053bSRalf Baechle 19517cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19527cf8053bSRalf Baechle bool 19537cf8053bSRalf Baechle 19547cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19557cf8053bSRalf Baechle bool 19567cf8053bSRalf Baechle 19577cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19587cf8053bSRalf Baechle bool 19597cf8053bSRalf Baechle 1960542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1961542c1020SShinya Kuribayashi bool 1962542c1020SShinya Kuribayashi 19637cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19647cf8053bSRalf Baechle bool 19657cf8053bSRalf Baechle 19667cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19677cf8053bSRalf Baechle bool 19689ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19697cf8053bSRalf Baechle 19707cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19717cf8053bSRalf Baechle bool 19727cf8053bSRalf Baechle 19737cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19747cf8053bSRalf Baechle bool 19757cf8053bSRalf Baechle 19765e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19775e683389SDavid Daney bool 19785e683389SDavid Daney 1979cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1980c1c0c461SKevin Cernekee bool 1981c1c0c461SKevin Cernekee 1982fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1983c1c0c461SKevin Cernekee bool 1984cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1985c1c0c461SKevin Cernekee 1986c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1987c1c0c461SKevin Cernekee bool 1988cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1989c1c0c461SKevin Cernekee 1990c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1991c1c0c461SKevin Cernekee bool 1992cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1993c1c0c461SKevin Cernekee 1994c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1995c1c0c461SKevin Cernekee bool 1996cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1997f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 1998c1c0c461SKevin Cernekee 19997f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20007f058e85SJayachandran C bool 20017f058e85SJayachandran C 20021c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20031c773ea4SJayachandran C bool 20041c773ea4SJayachandran C 200517099b11SRalf Baechle# 200617099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 200717099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 200817099b11SRalf Baechle# 20090004a9dfSRalf Baechleconfig WEAK_ORDERING 20100004a9dfSRalf Baechle bool 201117099b11SRalf Baechle 201217099b11SRalf Baechle# 201317099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 201417099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 201517099b11SRalf Baechle# 201617099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 201717099b11SRalf Baechle bool 20185e83d430SRalf Baechleendmenu 20195e83d430SRalf Baechle 20205e83d430SRalf Baechle# 20215e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20225e83d430SRalf Baechle# 20235e83d430SRalf Baechleconfig CPU_MIPS32 20245e83d430SRalf Baechle bool 20257fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20265e83d430SRalf Baechle 20275e83d430SRalf Baechleconfig CPU_MIPS64 20285e83d430SRalf Baechle bool 20297fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20305e83d430SRalf Baechle 20315e83d430SRalf Baechle# 203257eeacedSPaul Burton# These indicate the revision of the architecture 20335e83d430SRalf Baechle# 20345e83d430SRalf Baechleconfig CPU_MIPSR1 20355e83d430SRalf Baechle bool 20365e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20375e83d430SRalf Baechle 20385e83d430SRalf Baechleconfig CPU_MIPSR2 20395e83d430SRalf Baechle bool 2040a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20418256b17eSFlorian Fainelli select CPU_HAS_RIXI 2042a7e07b1aSMarkos Chandras select MIPS_SPRAM 20435e83d430SRalf Baechle 20447fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20457fd08ca5SLeonid Yegoshin bool 20467fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20478256b17eSFlorian Fainelli select CPU_HAS_RIXI 204887321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20492db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20504a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2051a7e07b1aSMarkos Chandras select MIPS_SPRAM 20525e83d430SRalf Baechle 205357eeacedSPaul Burtonconfig TARGET_ISA_REV 205457eeacedSPaul Burton int 205557eeacedSPaul Burton default 1 if CPU_MIPSR1 205657eeacedSPaul Burton default 2 if CPU_MIPSR2 205757eeacedSPaul Burton default 6 if CPU_MIPSR6 205857eeacedSPaul Burton default 0 205957eeacedSPaul Burton help 206057eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 206157eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 206257eeacedSPaul Burton 2063a6e18781SLeonid Yegoshinconfig EVA 2064a6e18781SLeonid Yegoshin bool 2065a6e18781SLeonid Yegoshin 2066c5b36783SSteven J. Hillconfig XPA 2067c5b36783SSteven J. Hill bool 2068c5b36783SSteven J. Hill 20695e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20705e83d430SRalf Baechle bool 20715e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20725e83d430SRalf Baechle bool 20735e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20745e83d430SRalf Baechle bool 20755e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20765e83d430SRalf Baechle bool 207755045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 207855045ff5SWu Zhangjin bool 207955045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 208055045ff5SWu Zhangjin bool 20819cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20829cffd154SDavid Daney bool 2083171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 208422f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 208522f1fdfdSWu Zhangjin bool 208682622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 208782622284SDavid Daney bool 2088cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20895e83d430SRalf Baechle 20908192c9eaSDavid Daney# 20918192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20928192c9eaSDavid Daney# 20938192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20948192c9eaSDavid Daney bool 2095679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20968192c9eaSDavid Daney 20975e83d430SRalf Baechlemenu "Kernel type" 20985e83d430SRalf Baechle 20995e83d430SRalf Baechlechoice 21005e83d430SRalf Baechle prompt "Kernel code model" 21015e83d430SRalf Baechle help 21025e83d430SRalf Baechle You should only select this option if you have a workload that 21035e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21045e83d430SRalf Baechle large memory. You will only be presented a single option in this 21055e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21065e83d430SRalf Baechle 21075e83d430SRalf Baechleconfig 32BIT 21085e83d430SRalf Baechle bool "32-bit kernel" 21095e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21105e83d430SRalf Baechle select TRAD_SIGNALS 21115e83d430SRalf Baechle help 21125e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2113f17c4ca3SRalf Baechle 21145e83d430SRalf Baechleconfig 64BIT 21155e83d430SRalf Baechle bool "64-bit kernel" 21165e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21175e83d430SRalf Baechle help 21185e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21195e83d430SRalf Baechle 21205e83d430SRalf Baechleendchoice 21215e83d430SRalf Baechle 21222235a54dSSanjay Lalconfig KVM_GUEST 21232235a54dSSanjay Lal bool "KVM Guest Kernel" 2124f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21252235a54dSSanjay Lal help 2126caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2127caa1faa7SJames Hogan mode. 21282235a54dSSanjay Lal 2129eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2130eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21312235a54dSSanjay Lal depends on KVM_GUEST 2132eda3d33cSJames Hogan default 100 21332235a54dSSanjay Lal help 2134eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2135eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2136eda3d33cSJames Hogan timer frequency is specified directly. 21372235a54dSSanjay Lal 21381e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21391e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21401e321fa9SLeonid Yegoshin depends on 64BIT 21411e321fa9SLeonid Yegoshin help 21423377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21433377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21443377e227SAlex Belits For page sizes 16k and above, this option results in a small 21453377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21463377e227SAlex Belits level of page tables is added which imposes both a memory 21473377e227SAlex Belits overhead as well as slower TLB fault handling. 21483377e227SAlex Belits 21491e321fa9SLeonid Yegoshin If unsure, say N. 21501e321fa9SLeonid Yegoshin 21511da177e4SLinus Torvaldschoice 21521da177e4SLinus Torvalds prompt "Kernel page size" 21531da177e4SLinus Torvalds default PAGE_SIZE_4KB 21541da177e4SLinus Torvalds 21551da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21561da177e4SLinus Torvalds bool "4kB" 21570e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21581da177e4SLinus Torvalds help 21591da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21601da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21611da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21621da177e4SLinus Torvalds recommended for low memory systems. 21631da177e4SLinus Torvalds 21641da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21651da177e4SLinus Torvalds bool "8kB" 2166c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21671e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21681da177e4SLinus Torvalds help 21691da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21701da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2171c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2172c2aeaaeaSPaul Burton distribution to support this. 21731da177e4SLinus Torvalds 21741da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21751da177e4SLinus Torvalds bool "16kB" 2176714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21771da177e4SLinus Torvalds help 21781da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21791da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2180714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2181714bfad6SRalf Baechle Linux distribution to support this. 21821da177e4SLinus Torvalds 2183c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2184c52399beSRalf Baechle bool "32kB" 2185c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21861e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2187c52399beSRalf Baechle help 2188c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2189c52399beSRalf Baechle the price of higher memory consumption. This option is available 2190c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2191c52399beSRalf Baechle distribution to support this. 2192c52399beSRalf Baechle 21931da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21941da177e4SLinus Torvalds bool "64kB" 21953b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21961da177e4SLinus Torvalds help 21971da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21981da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21991da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2200714bfad6SRalf Baechle writing this option is still high experimental. 22011da177e4SLinus Torvalds 22021da177e4SLinus Torvaldsendchoice 22031da177e4SLinus Torvalds 2204c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2205c9bace7cSDavid Daney int "Maximum zone order" 2206e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2207e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2208e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2209e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2210e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2211e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2212c9bace7cSDavid Daney range 11 64 2213c9bace7cSDavid Daney default "11" 2214c9bace7cSDavid Daney help 2215c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2216c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2217c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2218c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2219c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2220c9bace7cSDavid Daney increase this value. 2221c9bace7cSDavid Daney 2222c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2223c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2224c9bace7cSDavid Daney 2225c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2226c9bace7cSDavid Daney when choosing a value for this option. 2227c9bace7cSDavid Daney 22281da177e4SLinus Torvaldsconfig BOARD_SCACHE 22291da177e4SLinus Torvalds bool 22301da177e4SLinus Torvalds 22311da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22321da177e4SLinus Torvalds bool 22331da177e4SLinus Torvalds select BOARD_SCACHE 22341da177e4SLinus Torvalds 22359318c51aSChris Dearman# 22369318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22379318c51aSChris Dearman# 22389318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22399318c51aSChris Dearman bool 22409318c51aSChris Dearman select BOARD_SCACHE 22419318c51aSChris Dearman 22421da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22431da177e4SLinus Torvalds bool 22441da177e4SLinus Torvalds select BOARD_SCACHE 22451da177e4SLinus Torvalds 22461da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22471da177e4SLinus Torvalds bool 22481da177e4SLinus Torvalds select BOARD_SCACHE 22491da177e4SLinus Torvalds 22501da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22511da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22521da177e4SLinus Torvalds depends on CPU_SB1 22531da177e4SLinus Torvalds help 22541da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22551da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22561da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22571da177e4SLinus Torvalds 22581da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2259c8094b53SRalf Baechle bool 22601da177e4SLinus Torvalds 22613165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22623165c846SFlorian Fainelli bool 2263c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22643165c846SFlorian Fainelli 2265c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2266183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2267183b40f9SPaul Burton default y 2268183b40f9SPaul Burton help 2269183b40f9SPaul Burton Select y to include support for floating point in the kernel 2270183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2271183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2272183b40f9SPaul Burton userland program attempting to use floating point instructions will 2273183b40f9SPaul Burton receive a SIGILL. 2274183b40f9SPaul Burton 2275183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2276183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2277183b40f9SPaul Burton 2278183b40f9SPaul Burton If unsure, say y. 2279c92e47e5SPaul Burton 228097f7dcbfSPaul Burtonconfig CPU_R2300_FPU 228197f7dcbfSPaul Burton bool 2282c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 228397f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 228497f7dcbfSPaul Burton 228554746829SPaul Burtonconfig CPU_R3K_TLB 228654746829SPaul Burton bool 228754746829SPaul Burton 228891405eb6SFlorian Fainelliconfig CPU_R4K_FPU 228991405eb6SFlorian Fainelli bool 2290c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229197f7dcbfSPaul Burton default y if !CPU_R2300_FPU 229291405eb6SFlorian Fainelli 229362cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 229462cedc4fSFlorian Fainelli bool 229554746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 229662cedc4fSFlorian Fainelli 229759d6ab86SRalf Baechleconfig MIPS_MT_SMP 2298a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22995cbf9688SPaul Burton default y 2300527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 230159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2302d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2303c080faa5SSteven J. Hill select SYNC_R4K 230459d6ab86SRalf Baechle select MIPS_MT 230559d6ab86SRalf Baechle select SMP 230687353d8aSRalf Baechle select SMP_UP 2307c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2308c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2309399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 231059d6ab86SRalf Baechle help 2311c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2312c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2313c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2314c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2315c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 231659d6ab86SRalf Baechle 2317f41ae0b2SRalf Baechleconfig MIPS_MT 2318f41ae0b2SRalf Baechle bool 2319f41ae0b2SRalf Baechle 23200ab7aefcSRalf Baechleconfig SCHED_SMT 23210ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23220ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23230ab7aefcSRalf Baechle default n 23240ab7aefcSRalf Baechle help 23250ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23260ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23270ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23280ab7aefcSRalf Baechle 23290ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23300ab7aefcSRalf Baechle bool 23310ab7aefcSRalf Baechle 2332f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2333f41ae0b2SRalf Baechle bool 2334f41ae0b2SRalf Baechle 2335f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2336f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2337f088fc84SRalf Baechle default y 2338b633648cSRalf Baechle depends on MIPS_MT_SMP 233907cc0c9eSRalf Baechle 2340b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2341b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23429eaa9a82SPaul Burton depends on CPU_MIPSR6 2343c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2344b0a668fbSLeonid Yegoshin default y 2345b0a668fbSLeonid Yegoshin help 2346b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2347b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 234807edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2349b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2350b0a668fbSLeonid Yegoshin final kernel image. 2351b0a668fbSLeonid Yegoshin 2352f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2353f35764e7SJames Hogan bool 2354f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2355f35764e7SJames Hogan help 2356f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2357f35764e7SJames Hogan physical_memsize. 2358f35764e7SJames Hogan 235907cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 236007cc0c9eSRalf Baechle bool "VPE loader support." 2361f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 236207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 236307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 236407cc0c9eSRalf Baechle select MIPS_MT 236507cc0c9eSRalf Baechle help 236607cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 236707cc0c9eSRalf Baechle onto another VPE and running it. 2368f088fc84SRalf Baechle 236917a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 237017a1d523SDeng-Cheng Zhu bool 237117a1d523SDeng-Cheng Zhu default "y" 237217a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 237317a1d523SDeng-Cheng Zhu 23741a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23751a2a6d7eSDeng-Cheng Zhu bool 23761a2a6d7eSDeng-Cheng Zhu default "y" 23771a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23781a2a6d7eSDeng-Cheng Zhu 2379e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2380e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2381e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2382e01402b1SRalf Baechle default y 2383e01402b1SRalf Baechle help 2384e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2385e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2386e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2387e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2388e01402b1SRalf Baechle 2389e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2390e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2391e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2392e01402b1SRalf Baechle 2393da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2394da615cf6SDeng-Cheng Zhu bool 2395da615cf6SDeng-Cheng Zhu default "y" 2396da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2397da615cf6SDeng-Cheng Zhu 23982c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23992c973ef0SDeng-Cheng Zhu bool 24002c973ef0SDeng-Cheng Zhu default "y" 24012c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24022c973ef0SDeng-Cheng Zhu 24034a16ff4cSRalf Baechleconfig MIPS_CMP 24045cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24055676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2406b10b43baSMarkos Chandras select SMP 2407eb9b5141STim Anderson select SYNC_R4K 2408b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24094a16ff4cSRalf Baechle select WEAK_ORDERING 24104a16ff4cSRalf Baechle default n 24114a16ff4cSRalf Baechle help 2412044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2413044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2414044505c7SPaul Burton its ability to start secondary CPUs. 24154a16ff4cSRalf Baechle 24165cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24175cac93b3SPaul Burton instead of this. 24185cac93b3SPaul Burton 24190ee958e1SPaul Burtonconfig MIPS_CPS 24200ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24215a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24220ee958e1SPaul Burton select MIPS_CM 24231d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24240ee958e1SPaul Burton select SMP 24250ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24261d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2427c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24280ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24290ee958e1SPaul Burton select WEAK_ORDERING 24300ee958e1SPaul Burton help 24310ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24320ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24330ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24340ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24350ee958e1SPaul Burton support is unavailable. 24360ee958e1SPaul Burton 24373179d37eSPaul Burtonconfig MIPS_CPS_PM 243839a59593SMarkos Chandras depends on MIPS_CPS 24393179d37eSPaul Burton bool 24403179d37eSPaul Burton 24419f98f3ddSPaul Burtonconfig MIPS_CM 24429f98f3ddSPaul Burton bool 24433c9b4166SPaul Burton select MIPS_CPC 24449f98f3ddSPaul Burton 24459c38cf44SPaul Burtonconfig MIPS_CPC 24469c38cf44SPaul Burton bool 24472600990eSRalf Baechle 24481da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24491da177e4SLinus Torvalds bool 24501da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24511da177e4SLinus Torvalds default y 24521da177e4SLinus Torvalds 24531da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24541da177e4SLinus Torvalds bool 24551da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24561da177e4SLinus Torvalds default y 24571da177e4SLinus Torvalds 24589e2b5372SMarkos Chandraschoice 24599e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24609e2b5372SMarkos Chandras 24619e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24629e2b5372SMarkos Chandras bool "None" 24639e2b5372SMarkos Chandras help 24649e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24659e2b5372SMarkos Chandras 24669693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24679693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24689e2b5372SMarkos Chandras bool "SmartMIPS" 24699693a853SFranck Bui-Huu help 24709693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24719693a853SFranck Bui-Huu increased security at both hardware and software level for 24729693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24739693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24749693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24759693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24769693a853SFranck Bui-Huu here. 24779693a853SFranck Bui-Huu 2478bce86083SSteven J. Hillconfig CPU_MICROMIPS 24797fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24809e2b5372SMarkos Chandras bool "microMIPS" 2481bce86083SSteven J. Hill help 2482bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2483bce86083SSteven J. Hill microMIPS ISA 2484bce86083SSteven J. Hill 24859e2b5372SMarkos Chandrasendchoice 24869e2b5372SMarkos Chandras 2487a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24880ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2489a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2490c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24912a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2492a5e9a69eSPaul Burton help 2493a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2494a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24951db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24961db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24971db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24981db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24991db1af84SPaul Burton the size & complexity of your kernel. 2500a5e9a69eSPaul Burton 2501a5e9a69eSPaul Burton If unsure, say Y. 2502a5e9a69eSPaul Burton 25031da177e4SLinus Torvaldsconfig CPU_HAS_WB 2504f7062ddbSRalf Baechle bool 2505e01402b1SRalf Baechle 2506df0ac8a4SKevin Cernekeeconfig XKS01 2507df0ac8a4SKevin Cernekee bool 2508df0ac8a4SKevin Cernekee 25098256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25108256b17eSFlorian Fainelli bool 25118256b17eSFlorian Fainelli 2512932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2513932afdeeSYasha Cherikovsky bool 2514932afdeeSYasha Cherikovsky help 2515932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2516932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2517932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2518932afdeeSYasha Cherikovsky 2519f41ae0b2SRalf Baechle# 2520f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2521f41ae0b2SRalf Baechle# 2522e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2523f41ae0b2SRalf Baechle bool 2524e01402b1SRalf Baechle 2525f41ae0b2SRalf Baechle# 2526f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2527f41ae0b2SRalf Baechle# 2528e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2529f41ae0b2SRalf Baechle bool 2530e01402b1SRalf Baechle 25311da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25321da177e4SLinus Torvalds bool 25331da177e4SLinus Torvalds depends on !CPU_R3000 25341da177e4SLinus Torvalds default y 25351da177e4SLinus Torvalds 25361da177e4SLinus Torvalds# 253720d60d99SMaciej W. Rozycki# CPU non-features 253820d60d99SMaciej W. Rozycki# 253920d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 254020d60d99SMaciej W. Rozycki bool 254120d60d99SMaciej W. Rozycki 254220d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 254320d60d99SMaciej W. Rozycki bool 254420d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 254520d60d99SMaciej W. Rozycki 254620d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 254720d60d99SMaciej W. Rozycki bool 254820d60d99SMaciej W. Rozycki 25494edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25504edf00a4SPaul Burton int 25514edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25524edf00a4SPaul Burton default 0 25534edf00a4SPaul Burton 25544edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25554edf00a4SPaul Burton int 25562db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25574edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25584edf00a4SPaul Burton default 8 25594edf00a4SPaul Burton 25602db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25612db003a5SPaul Burton bool 25622db003a5SPaul Burton 25634a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25644a5dc51eSMarcin Nowakowski bool 25654a5dc51eSMarcin Nowakowski 256620d60d99SMaciej W. Rozycki# 25671da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25681da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25691da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25701da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25711da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25721da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25731da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25741da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2575797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2576797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2577797798c1SRalf Baechle# support. 25781da177e4SLinus Torvalds# 25791da177e4SLinus Torvaldsconfig HIGHMEM 25801da177e4SLinus Torvalds bool "High Memory Support" 2581a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2582797798c1SRalf Baechle 2583797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2584797798c1SRalf Baechle bool 2585797798c1SRalf Baechle 2586797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2587797798c1SRalf Baechle bool 25881da177e4SLinus Torvalds 25899693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25909693a853SFranck Bui-Huu bool 25919693a853SFranck Bui-Huu 2592a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2593a6a4834cSSteven J. Hill bool 2594a6a4834cSSteven J. Hill 2595377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2596377cb1b6SRalf Baechle bool 2597377cb1b6SRalf Baechle help 2598377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2599377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2600377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2601377cb1b6SRalf Baechle 2602a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2603a5e9a69eSPaul Burton bool 2604a5e9a69eSPaul Burton 2605b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2606b4819b59SYoichi Yuasa def_bool y 2607f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2608b4819b59SYoichi Yuasa 2609d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2610d8cb4e11SRalf Baechle bool 2611d8cb4e11SRalf Baechle default y if SGI_IP27 2612d8cb4e11SRalf Baechle help 26133dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2614d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2615d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2616ad56b738SMike Rapoport See <file:Documentation/vm/numa.rst> for more. 2617d8cb4e11SRalf Baechle 2618b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2619b1c6cd42SAtsushi Nemoto bool 26207de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 262131473747SAtsushi Nemoto 2622d8cb4e11SRalf Baechleconfig NUMA 2623d8cb4e11SRalf Baechle bool "NUMA Support" 2624d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2625d8cb4e11SRalf Baechle help 2626d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2627d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2628d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2629d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2630d8cb4e11SRalf Baechle disabled. 2631d8cb4e11SRalf Baechle 2632d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2633d8cb4e11SRalf Baechle bool 2634d8cb4e11SRalf Baechle 26358c530ea3SMatt Redfearnconfig RELOCATABLE 26368c530ea3SMatt Redfearn bool "Relocatable kernel" 26373ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26388c530ea3SMatt Redfearn help 26398c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26408c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26418c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26428c530ea3SMatt Redfearn but are discarded at runtime 26438c530ea3SMatt Redfearn 2644069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2645069fd766SMatt Redfearn hex "Relocation table size" 2646069fd766SMatt Redfearn depends on RELOCATABLE 2647069fd766SMatt Redfearn range 0x0 0x01000000 2648069fd766SMatt Redfearn default "0x00100000" 2649069fd766SMatt Redfearn ---help--- 2650069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2651069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2652069fd766SMatt Redfearn 2653069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2654069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2655069fd766SMatt Redfearn 2656069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2657069fd766SMatt Redfearn 2658069fd766SMatt Redfearn If unsure, leave at the default value. 2659069fd766SMatt Redfearn 2660405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2661405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2662405bc8fdSMatt Redfearn depends on RELOCATABLE 2663405bc8fdSMatt Redfearn ---help--- 2664405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2665405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2666405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2667405bc8fdSMatt Redfearn of kernel internals. 2668405bc8fdSMatt Redfearn 2669405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2670405bc8fdSMatt Redfearn 2671405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2672405bc8fdSMatt Redfearn 2673405bc8fdSMatt Redfearn If unsure, say N. 2674405bc8fdSMatt Redfearn 2675405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2676405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2677405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2678405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2679405bc8fdSMatt Redfearn range 0x0 0x08000000 2680405bc8fdSMatt Redfearn default "0x01000000" 2681405bc8fdSMatt Redfearn ---help--- 2682405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2683405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2684405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2685405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2686405bc8fdSMatt Redfearn 2687405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2688405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2689405bc8fdSMatt Redfearn 2690c80d79d7SYasunori Gotoconfig NODES_SHIFT 2691c80d79d7SYasunori Goto int 2692c80d79d7SYasunori Goto default "6" 2693c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2694c80d79d7SYasunori Goto 269514f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 269614f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 269723021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 269814f70012SDeng-Cheng Zhu default y 269914f70012SDeng-Cheng Zhu help 270014f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 270114f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 270214f70012SDeng-Cheng Zhu 27031da177e4SLinus Torvaldsconfig SMP 27041da177e4SLinus Torvalds bool "Multi-Processing support" 2705e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2706e73ea273SRalf Baechle help 27071da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27084a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27094a474157SRobert Graffham than one CPU, say Y. 27101da177e4SLinus Torvalds 27114a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27121da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27131da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27144a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27151da177e4SLinus Torvalds will run faster if you say N here. 27161da177e4SLinus Torvalds 27171da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27181da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27191da177e4SLinus Torvalds 272003502faaSAdrian Bunk See also the SMP-HOWTO available at 272103502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27221da177e4SLinus Torvalds 27231da177e4SLinus Torvalds If you don't know what to do here, say N. 27241da177e4SLinus Torvalds 27257840d618SMatt Redfearnconfig HOTPLUG_CPU 27267840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27277840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27287840d618SMatt Redfearn help 27297840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27307840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27317840d618SMatt Redfearn (Note: power management support will enable this option 27327840d618SMatt Redfearn automatically on SMP systems. ) 27337840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27347840d618SMatt Redfearn 273587353d8aSRalf Baechleconfig SMP_UP 273687353d8aSRalf Baechle bool 273787353d8aSRalf Baechle 27384a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27394a16ff4cSRalf Baechle bool 27404a16ff4cSRalf Baechle 27410ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27420ee958e1SPaul Burton bool 27430ee958e1SPaul Burton 2744e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2745e73ea273SRalf Baechle bool 2746e73ea273SRalf Baechle 2747130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2748130e2fb7SRalf Baechle bool 2749130e2fb7SRalf Baechle 2750130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2751130e2fb7SRalf Baechle bool 2752130e2fb7SRalf Baechle 2753130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2754130e2fb7SRalf Baechle bool 2755130e2fb7SRalf Baechle 2756130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2757130e2fb7SRalf Baechle bool 2758130e2fb7SRalf Baechle 2759130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2760130e2fb7SRalf Baechle bool 2761130e2fb7SRalf Baechle 27621da177e4SLinus Torvaldsconfig NR_CPUS 2763a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2764a91796a9SJayachandran C range 2 256 27651da177e4SLinus Torvalds depends on SMP 2766130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2767130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2768130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2769130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2770130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27711da177e4SLinus Torvalds help 27721da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27731da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27741da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 277572ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 277672ede9b1SAtsushi Nemoto and 2 for all others. 27771da177e4SLinus Torvalds 27781da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 277972ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 278072ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 278172ede9b1SAtsushi Nemoto power of two. 27821da177e4SLinus Torvalds 2783399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2784399aaa25SAl Cooper bool 2785399aaa25SAl Cooper 27867820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27877820b84bSDavid Daney bool 27887820b84bSDavid Daney 27897820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27907820b84bSDavid Daney int 27917820b84bSDavid Daney depends on SMP 27927820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27937820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27947820b84bSDavid Daney 27951723b4a3SAtsushi Nemoto# 27961723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27971723b4a3SAtsushi Nemoto# 27981723b4a3SAtsushi Nemoto 27991723b4a3SAtsushi Nemotochoice 28001723b4a3SAtsushi Nemoto prompt "Timer frequency" 28011723b4a3SAtsushi Nemoto default HZ_250 28021723b4a3SAtsushi Nemoto help 28031723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28041723b4a3SAtsushi Nemoto 280567596573SPaul Burton config HZ_24 280667596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 280767596573SPaul Burton 28081723b4a3SAtsushi Nemoto config HZ_48 28090f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28101723b4a3SAtsushi Nemoto 28111723b4a3SAtsushi Nemoto config HZ_100 28121723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28131723b4a3SAtsushi Nemoto 28141723b4a3SAtsushi Nemoto config HZ_128 28151723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28161723b4a3SAtsushi Nemoto 28171723b4a3SAtsushi Nemoto config HZ_250 28181723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28191723b4a3SAtsushi Nemoto 28201723b4a3SAtsushi Nemoto config HZ_256 28211723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28221723b4a3SAtsushi Nemoto 28231723b4a3SAtsushi Nemoto config HZ_1000 28241723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28251723b4a3SAtsushi Nemoto 28261723b4a3SAtsushi Nemoto config HZ_1024 28271723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28281723b4a3SAtsushi Nemoto 28291723b4a3SAtsushi Nemotoendchoice 28301723b4a3SAtsushi Nemoto 283167596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 283267596573SPaul Burton bool 283367596573SPaul Burton 28341723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28351723b4a3SAtsushi Nemoto bool 28361723b4a3SAtsushi Nemoto 28371723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28381723b4a3SAtsushi Nemoto bool 28391723b4a3SAtsushi Nemoto 28401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28411723b4a3SAtsushi Nemoto bool 28421723b4a3SAtsushi Nemoto 28431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28441723b4a3SAtsushi Nemoto bool 28451723b4a3SAtsushi Nemoto 28461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28471723b4a3SAtsushi Nemoto bool 28481723b4a3SAtsushi Nemoto 28491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28501723b4a3SAtsushi Nemoto bool 28511723b4a3SAtsushi Nemoto 28521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28531723b4a3SAtsushi Nemoto bool 28541723b4a3SAtsushi Nemoto 28551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28561723b4a3SAtsushi Nemoto bool 285767596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 285867596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 285967596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 286067596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 286167596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 286267596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 286367596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28641723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28651723b4a3SAtsushi Nemoto 28661723b4a3SAtsushi Nemotoconfig HZ 28671723b4a3SAtsushi Nemoto int 286867596573SPaul Burton default 24 if HZ_24 28691723b4a3SAtsushi Nemoto default 48 if HZ_48 28701723b4a3SAtsushi Nemoto default 100 if HZ_100 28711723b4a3SAtsushi Nemoto default 128 if HZ_128 28721723b4a3SAtsushi Nemoto default 250 if HZ_250 28731723b4a3SAtsushi Nemoto default 256 if HZ_256 28741723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28751723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28761723b4a3SAtsushi Nemoto 287796685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 287896685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 287996685b17SDeng-Cheng Zhu 2880ea6e942bSAtsushi Nemotoconfig KEXEC 28817d60717eSKees Cook bool "Kexec system call" 28822965faa5SDave Young select KEXEC_CORE 2883ea6e942bSAtsushi Nemoto help 2884ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2885ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28863dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2887ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2888ea6e942bSAtsushi Nemoto 288901dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2890ea6e942bSAtsushi Nemoto 2891ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2892ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2893bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2894bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2895bf220695SGeert Uytterhoeven made. 2896ea6e942bSAtsushi Nemoto 28977aa1c8f4SRalf Baechleconfig CRASH_DUMP 28987aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28997aa1c8f4SRalf Baechle help 29007aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29017aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29027aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29037aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29047aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29057aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29067aa1c8f4SRalf Baechle PHYSICAL_START. 29077aa1c8f4SRalf Baechle 29087aa1c8f4SRalf Baechleconfig PHYSICAL_START 29097aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29108bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29117aa1c8f4SRalf Baechle depends on CRASH_DUMP 29127aa1c8f4SRalf Baechle help 29137aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29147aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29157aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29167aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29177aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29187aa1c8f4SRalf Baechle 2919ea6e942bSAtsushi Nemotoconfig SECCOMP 2920ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2921293c5bd1SRalf Baechle depends on PROC_FS 2922ea6e942bSAtsushi Nemoto default y 2923ea6e942bSAtsushi Nemoto help 2924ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2925ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2926ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2927ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2928ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2929ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2930ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2931ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2932ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2933ea6e942bSAtsushi Nemoto 2934ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2935ea6e942bSAtsushi Nemoto 2936597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2937b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2938597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2939597ce172SPaul Burton help 2940597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2941597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2942597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2943597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2944597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2945597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2946597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2947597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2948597ce172SPaul Burton saying N here. 2949597ce172SPaul Burton 295006e2e882SPaul Burton Although binutils currently supports use of this flag the details 295106e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 295206e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 295306e2e882SPaul Burton behaviour before the details have been finalised, this option should 295406e2e882SPaul Burton be considered experimental and only enabled by those working upon 295506e2e882SPaul Burton said details. 295606e2e882SPaul Burton 295706e2e882SPaul Burton If unsure, say N. 2958597ce172SPaul Burton 2959f2ffa5abSDezhong Diaoconfig USE_OF 29600b3e06fdSJonas Gorski bool 2961f2ffa5abSDezhong Diao select OF 2962e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2963abd2363fSGrant Likely select IRQ_DOMAIN 2964f2ffa5abSDezhong Diao 29652fe8ea39SDengcheng Zhuconfig UHI_BOOT 29662fe8ea39SDengcheng Zhu bool 29672fe8ea39SDengcheng Zhu 29687fafb068SAndrew Brestickerconfig BUILTIN_DTB 29697fafb068SAndrew Bresticker bool 29707fafb068SAndrew Bresticker 29711da8f179SJonas Gorskichoice 29725b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29731da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29741da8f179SJonas Gorski 29751da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29761da8f179SJonas Gorski bool "None" 29771da8f179SJonas Gorski help 29781da8f179SJonas Gorski Do not enable appended dtb support. 29791da8f179SJonas Gorski 298087db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 298187db537dSAaro Koskinen bool "vmlinux" 298287db537dSAaro Koskinen help 298387db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 298487db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 298587db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 298687db537dSAaro Koskinen objcopy: 298787db537dSAaro Koskinen 298887db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 298987db537dSAaro Koskinen 299087db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 299187db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 299287db537dSAaro Koskinen the documented boot protocol using a device tree. 299387db537dSAaro Koskinen 29941da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2995b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29961da8f179SJonas Gorski help 29971da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2998b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29991da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30001da8f179SJonas Gorski 30011da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30021da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30031da8f179SJonas Gorski the documented boot protocol using a device tree. 30041da8f179SJonas Gorski 30051da8f179SJonas Gorski Beware that there is very little in terms of protection against 30061da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30071da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30081da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30091da8f179SJonas Gorski if you don't intend to always append a DTB. 30101da8f179SJonas Gorskiendchoice 30111da8f179SJonas Gorski 30122024972eSJonas Gorskichoice 30132024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30142bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30153f5f0a44SPaul Burton !MIPS_MALTA && \ 30162bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30172024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30182024972eSJonas Gorski 30192024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30202024972eSJonas Gorski depends on USE_OF 30212024972eSJonas Gorski bool "Dtb kernel arguments if available" 30222024972eSJonas Gorski 30232024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30242024972eSJonas Gorski depends on USE_OF 30252024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30262024972eSJonas Gorski 30272024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30282024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3029ed47e153SRabin Vincent 3030ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3031ed47e153SRabin Vincent depends on CMDLINE_BOOL 3032ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30332024972eSJonas Gorskiendchoice 30342024972eSJonas Gorski 30355e83d430SRalf Baechleendmenu 30365e83d430SRalf Baechle 30371df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30381df0f0ffSAtsushi Nemoto bool 30391df0f0ffSAtsushi Nemoto default y 30401df0f0ffSAtsushi Nemoto 30411df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30421df0f0ffSAtsushi Nemoto bool 30431df0f0ffSAtsushi Nemoto default y 30441df0f0ffSAtsushi Nemoto 3045a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3046a728ab52SKirill A. Shutemov int 30473377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3048a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3049a728ab52SKirill A. Shutemov default 2 3050a728ab52SKirill A. Shutemov 30516c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30526c359eb1SPaul Burton bool 30536c359eb1SPaul Burton 30541da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30551da177e4SLinus Torvalds 3056c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30572eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3058c5611df9SPaul Burton bool 3059c5611df9SPaul Burton 3060c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3061c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3062c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30632eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30641da177e4SLinus Torvalds 30651da177e4SLinus Torvalds# 30661da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30671da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30681da177e4SLinus Torvalds# users to choose the right thing ... 30691da177e4SLinus Torvalds# 30701da177e4SLinus Torvaldsconfig ISA 30711da177e4SLinus Torvalds bool 30721da177e4SLinus Torvalds 30731da177e4SLinus Torvaldsconfig TC 30741da177e4SLinus Torvalds bool "TURBOchannel support" 30751da177e4SLinus Torvalds depends on MACH_DECSTATION 30761da177e4SLinus Torvalds help 307750a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 307850a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 307950a23e6eSJustin P. Mattock at: 308050a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 308150a23e6eSJustin P. Mattock and: 308250a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 308350a23e6eSJustin P. Mattock Linux driver support status is documented at: 308450a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30851da177e4SLinus Torvalds 30861da177e4SLinus Torvaldsconfig MMU 30871da177e4SLinus Torvalds bool 30881da177e4SLinus Torvalds default y 30891da177e4SLinus Torvalds 3090109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3091109c32ffSMatt Redfearn default 12 if 64BIT 3092109c32ffSMatt Redfearn default 8 3093109c32ffSMatt Redfearn 3094109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3095109c32ffSMatt Redfearn default 18 if 64BIT 3096109c32ffSMatt Redfearn default 15 3097109c32ffSMatt Redfearn 3098109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3099109c32ffSMatt Redfearn default 8 3100109c32ffSMatt Redfearn 3101109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3102109c32ffSMatt Redfearn default 15 3103109c32ffSMatt Redfearn 3104d865bea4SRalf Baechleconfig I8253 3105d865bea4SRalf Baechle bool 3106798778b8SRussell King select CLKSRC_I8253 31072d02612fSThomas Gleixner select CLKEVT_I8253 31089726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3109d865bea4SRalf Baechle 3110e05eb3f8SRalf Baechleconfig ZONE_DMA 3111e05eb3f8SRalf Baechle bool 3112e05eb3f8SRalf Baechle 3113cce335aeSRalf Baechleconfig ZONE_DMA32 3114cce335aeSRalf Baechle bool 3115cce335aeSRalf Baechle 31161da177e4SLinus Torvaldsendmenu 31171da177e4SLinus Torvalds 31181da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31191da177e4SLinus Torvalds bool 31201da177e4SLinus Torvalds 31211da177e4SLinus Torvaldsconfig MIPS32_COMPAT 312278aaf956SRalf Baechle bool 31231da177e4SLinus Torvalds 31241da177e4SLinus Torvaldsconfig COMPAT 31251da177e4SLinus Torvalds bool 31261da177e4SLinus Torvalds 312705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 312805e43966SAtsushi Nemoto bool 312905e43966SAtsushi Nemoto 31301da177e4SLinus Torvaldsconfig MIPS32_O32 31311da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 313278aaf956SRalf Baechle depends on 64BIT 313378aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 313478aaf956SRalf Baechle select COMPAT 313578aaf956SRalf Baechle select MIPS32_COMPAT 313678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31371da177e4SLinus Torvalds help 31381da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31391da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31401da177e4SLinus Torvalds existing binaries are in this format. 31411da177e4SLinus Torvalds 31421da177e4SLinus Torvalds If unsure, say Y. 31431da177e4SLinus Torvalds 31441da177e4SLinus Torvaldsconfig MIPS32_N32 31451da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3146c22eacfeSRalf Baechle depends on 64BIT 31475a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 314878aaf956SRalf Baechle select COMPAT 314978aaf956SRalf Baechle select MIPS32_COMPAT 315078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31511da177e4SLinus Torvalds help 31521da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31531da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31541da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31551da177e4SLinus Torvalds cases. 31561da177e4SLinus Torvalds 31571da177e4SLinus Torvalds If unsure, say N. 31581da177e4SLinus Torvalds 31591da177e4SLinus Torvaldsconfig BINFMT_ELF32 31601da177e4SLinus Torvalds bool 31611da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3162f43edca7SRalf Baechle select ELFCORE 31631da177e4SLinus Torvalds 31642116245eSRalf Baechlemenu "Power management options" 3165952fa954SRodolfo Giometti 3166363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3167363c55caSWu Zhangjin def_bool y 31683f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3169363c55caSWu Zhangjin 3170f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3171f4cb5700SJohannes Berg def_bool y 31723f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3173f4cb5700SJohannes Berg 31742116245eSRalf Baechlesource "kernel/power/Kconfig" 3175952fa954SRodolfo Giometti 31761da177e4SLinus Torvaldsendmenu 31771da177e4SLinus Torvalds 31787a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31797a998935SViresh Kumar bool 31807a998935SViresh Kumar 31817a998935SViresh Kumarmenu "CPU Power Management" 3182c095ebafSPaul Burton 3183c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31847a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31857a998935SViresh Kumarendif 31869726b43aSWu Zhangjin 3187c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3188c095ebafSPaul Burton 3189c095ebafSPaul Burtonendmenu 3190c095ebafSPaul Burton 319198cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 319298cdee0eSRalf Baechle 31932235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3194