1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5942fa985SYury Norov select ARCH_32BIT_OFF_T if !64BIT 6ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 712597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 812597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 91e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 1012597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 111ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1212597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1325da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 140b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 159035bd29SAlexandre Ghiti select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 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 482ff2b7ecSMasahiro Yamada select HAVE_ASM_MODVERSIONS 49716850abSHassan Naveed select HAVE_EBPF_JIT if (!CPU_MICROMIPS) 5012597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 5112597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5264575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5312597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5412597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5512597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5612597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5712597988SMatt Redfearn select HAVE_EXIT_THREAD 5867a929e0SChristoph Hellwig select HAVE_FAST_GUP 5912597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 6029c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 6112597988SMatt Redfearn select HAVE_FUNCTION_TRACER 6212597988SMatt Redfearn select HAVE_IDE 63b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6412597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6512597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 66c1bf207dSDavid Daney select HAVE_KPROBES 67c1bf207dSDavid Daney select HAVE_KRETPROBES 68c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 699d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 70786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 7142a0bb3fSPetr Mladek select HAVE_NMI 7212597988SMatt Redfearn select HAVE_OPROFILE 7312597988SMatt Redfearn select HAVE_PERF_EVENTS 7408bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 759ea141adSPaul Burton select HAVE_RSEQ 76d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7712597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 78a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 7924640f23SVincenzo Frascino select HAVE_GENERIC_VDSO 8012597988SMatt Redfearn select IRQ_FORCED_THREADING 816630a8e5SChristoph Hellwig select ISA if EISA 8212597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8312597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8412597988SMatt Redfearn select PERF_USE_VMALLOC 8505a0a344SArnd Bergmann select RTC_LIB 8612597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8712597988SMatt Redfearn select VIRT_TO_BUS 88d1af2ab3SPaul Burton select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI) 891da177e4SLinus Torvalds 901da177e4SLinus Torvaldsmenu "Machine selection" 911da177e4SLinus Torvalds 925e83d430SRalf Baechlechoice 935e83d430SRalf Baechle prompt "System type" 94d41e6858SMatt Redfearn default MIPS_GENERIC 951da177e4SLinus Torvalds 96eed0eabdSPaul Burtonconfig MIPS_GENERIC 97eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 98eed0eabdSPaul Burton select BOOT_RAW 99eed0eabdSPaul Burton select BUILTIN_DTB 100eed0eabdSPaul Burton select CEVT_R4K 101eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 102eed0eabdSPaul Burton select COMMON_CLK 103eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 104eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 105eed0eabdSPaul Burton select CSRC_R4K 106eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 107eb01d42aSChristoph Hellwig select HAVE_PCI 108eed0eabdSPaul Burton select IRQ_MIPS_CPU 109eed0eabdSPaul Burton select LIBFDT 1100211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 111eed0eabdSPaul Burton select MIPS_CPU_SCACHE 112eed0eabdSPaul Burton select MIPS_GIC 113eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 114eed0eabdSPaul Burton select NO_EXCEPT_FILL 115eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 116eed0eabdSPaul Burton select PINCTRL 117eed0eabdSPaul Burton select SMP_UP if SMP 118a3078e59SMatt Redfearn select SWAP_IO_SPACE 119eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 120eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 121eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 122eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 123eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 124eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 125eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 126eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 127eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 128eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 129eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 130eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 131eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 132eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 133eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 134eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 135eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1362e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1372e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1382e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1392e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1402e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1412e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 142eed0eabdSPaul Burton select USE_OF 1432fe8ea39SDengcheng Zhu select UHI_BOOT 144eed0eabdSPaul Burton help 145eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 146eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 147eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 148eed0eabdSPaul Burton Interface) specification. 149eed0eabdSPaul Burton 15042a4f17dSManuel Laussconfig MIPS_ALCHEMY 151c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 152d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 153f772cdb2SRalf Baechle select CEVT_R4K 154d7ea335cSSteven J. Hill select CSRC_R4K 15567e38cf2SRalf Baechle select IRQ_MIPS_CPU 15688e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15742a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15842a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 15942a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 160d30a2b47SLinus Walleij select GPIOLIB 1611b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 16247440229SManuel Lauss select COMMON_CLK 1631da177e4SLinus Torvalds 1647ca5dc14SFlorian Fainelliconfig AR7 1657ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1667ca5dc14SFlorian Fainelli select BOOT_ELF32 1677ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1687ca5dc14SFlorian Fainelli select CEVT_R4K 1697ca5dc14SFlorian Fainelli select CSRC_R4K 17067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1717ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1727ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1737ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1747ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1757ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1767ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 177377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1781b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 179d30a2b47SLinus Walleij select GPIOLIB 1807ca5dc14SFlorian Fainelli select VLYNQ 1818551fb64SYoichi Yuasa select HAVE_CLK 1827ca5dc14SFlorian Fainelli help 1837ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1847ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1857ca5dc14SFlorian Fainelli 18643cc739fSSergey Ryazanovconfig ATH25 18743cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18843cc739fSSergey Ryazanov select CEVT_R4K 18943cc739fSSergey Ryazanov select CSRC_R4K 19043cc739fSSergey Ryazanov select DMA_NONCOHERENT 19167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1921753e74eSSergey Ryazanov select IRQ_DOMAIN 19343cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19443cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19543cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1968aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19743cc739fSSergey Ryazanov help 19843cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 19943cc739fSSergey Ryazanov 200d4a67d9dSGabor Juhosconfig ATH79 201d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 202ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 203d4a67d9dSGabor Juhos select BOOT_RAW 204d4a67d9dSGabor Juhos select CEVT_R4K 205d4a67d9dSGabor Juhos select CSRC_R4K 206d4a67d9dSGabor Juhos select DMA_NONCOHERENT 207d30a2b47SLinus Walleij select GPIOLIB 208a08227a2SJohn Crispin select PINCTRL 20994638067SGabor Juhos select HAVE_CLK 210411520afSAlban Bedel select COMMON_CLK 2112c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 21267e38cf2SRalf Baechle select IRQ_MIPS_CPU 213d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 214d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 215d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 216d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 217377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 218b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 21903c8c407SAlban Bedel select USE_OF 22053d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 221d4a67d9dSGabor Juhos help 222d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 223d4a67d9dSGabor Juhos 2245f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2255f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 226d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 227d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 228d666cd02SKevin Cernekee select BOOT_RAW 229d666cd02SKevin Cernekee select NO_EXCEPT_FILL 230d666cd02SKevin Cernekee select USE_OF 231d666cd02SKevin Cernekee select CEVT_R4K 232d666cd02SKevin Cernekee select CSRC_R4K 233d666cd02SKevin Cernekee select SYNC_R4K 234d666cd02SKevin Cernekee select COMMON_CLK 235c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23660b858f2SKevin Cernekee select BCM7038_L1_IRQ 23760b858f2SKevin Cernekee select BCM7120_L2_IRQ 23860b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 23967e38cf2SRalf Baechle select IRQ_MIPS_CPU 24060b858f2SKevin Cernekee select DMA_NONCOHERENT 241d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 24260b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 243d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 244d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24560b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24660b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24760b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 248d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 249d666cd02SKevin Cernekee select SWAP_IO_SPACE 25060b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25160b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 25260b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 25360b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2544dc4704cSJustin Chen select HARDIRQS_SW_RESEND 255d666cd02SKevin Cernekee help 2565f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2575f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2585f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2595f2d4459SKevin Cernekee must be set appropriately for your board. 260d666cd02SKevin Cernekee 2611c0c13ebSAurelien Jarnoconfig BCM47XX 262c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 263fe08f8c2SHauke Mehrtens select BOOT_RAW 26442f77542SRalf Baechle select CEVT_R4K 265940f6b48SRalf Baechle select CSRC_R4K 2661c0c13ebSAurelien Jarno select DMA_NONCOHERENT 267eb01d42aSChristoph Hellwig select HAVE_PCI 26867e38cf2SRalf Baechle select IRQ_MIPS_CPU 269314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 270dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2711c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2721c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 273377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2746507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27525e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 276e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 277c949c0bcSRafał Miłecki select GPIOLIB 278c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 279f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2802ab71a02SRafał Miłecki select BCM47XX_SPROM 281dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2821c0c13ebSAurelien Jarno help 2831c0c13ebSAurelien Jarno Support for BCM47XX based boards 2841c0c13ebSAurelien Jarno 285e7300d04SMaxime Bizonconfig BCM63XX 286e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 287ae8de61cSFlorian Fainelli select BOOT_RAW 288e7300d04SMaxime Bizon select CEVT_R4K 289e7300d04SMaxime Bizon select CSRC_R4K 290fc264022SJonas Gorski select SYNC_R4K 291e7300d04SMaxime Bizon select DMA_NONCOHERENT 29267e38cf2SRalf Baechle select IRQ_MIPS_CPU 293e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 294e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 295e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 296e7300d04SMaxime Bizon select SWAP_IO_SPACE 297d30a2b47SLinus Walleij select GPIOLIB 2983e82eeebSYoichi Yuasa select HAVE_CLK 299af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 300c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 301e7300d04SMaxime Bizon help 302e7300d04SMaxime Bizon Support for BCM63XX based boards 303e7300d04SMaxime Bizon 3041da177e4SLinus Torvaldsconfig MIPS_COBALT 3053fa986faSMartin Michlmayr bool "Cobalt Server" 30642f77542SRalf Baechle select CEVT_R4K 307940f6b48SRalf Baechle select CSRC_R4K 3081097c6acSYoichi Yuasa select CEVT_GT641XX 3091da177e4SLinus Torvalds select DMA_NONCOHERENT 310eb01d42aSChristoph Hellwig select FORCE_PCI 311d865bea4SRalf Baechle select I8253 3121da177e4SLinus Torvalds select I8259 31367e38cf2SRalf Baechle select IRQ_MIPS_CPU 314d5ab1a69SYoichi Yuasa select IRQ_GT641XX 315252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3167cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3170a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 318ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3190e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3205e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 321e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvaldsconfig MACH_DECSTATION 3243fa986faSMartin Michlmayr bool "DECstations" 3251da177e4SLinus Torvalds select BOOT_ELF32 3266457d9fcSYoichi Yuasa select CEVT_DS1287 32781d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3284247417dSYoichi Yuasa select CSRC_IOASIC 32981d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 33020d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 33120d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 33220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3331da177e4SLinus Torvalds select DMA_NONCOHERENT 334ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33567e38cf2SRalf Baechle select IRQ_MIPS_CPU 3367cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3377cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 338ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3397d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3405e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3411723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3421723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3431723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 344930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3455e83d430SRalf Baechle help 3461da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3471da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3481da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3511da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds DECstation 5000/50 3541da177e4SLinus Torvalds DECstation 5000/150 3551da177e4SLinus Torvalds DECstation 5000/260 3561da177e4SLinus Torvalds DECsystem 5900/260 3571da177e4SLinus Torvalds 3581da177e4SLinus Torvalds otherwise choose R3000. 3591da177e4SLinus Torvalds 3605e83d430SRalf Baechleconfig MACH_JAZZ 3613fa986faSMartin Michlmayr bool "Jazz family of machines" 362a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3637a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3640e2794b0SRalf Baechle select FW_ARC 3650e2794b0SRalf Baechle select FW_ARC32 3665e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 36742f77542SRalf Baechle select CEVT_R4K 368940f6b48SRalf Baechle select CSRC_R4K 369e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3705e83d430SRalf Baechle select GENERIC_ISA_DMA 3718a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 37267e38cf2SRalf Baechle select IRQ_MIPS_CPU 373d865bea4SRalf Baechle select I8253 3745e83d430SRalf Baechle select I8259 3755e83d430SRalf Baechle select ISA 3767cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3775e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3787d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3791723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3801da177e4SLinus Torvalds help 3815e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3825e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 383692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3845e83d430SRalf Baechle Olivetti M700-10 workstations. 3855e83d430SRalf Baechle 386de361e8bSPaul Burtonconfig MACH_INGENIC 387de361e8bSPaul Burton bool "Ingenic SoC based machines" 3885ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3895ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 390f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 391b35d2653SDaniel Silsby select CPU_SUPPORTS_HUGEPAGES 3925ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 39367e38cf2SRalf Baechle select IRQ_MIPS_CPU 39437b4c3caSPaul Cercueil select PINCTRL 395d30a2b47SLinus Walleij select GPIOLIB 396ff1930c6SPaul Burton select COMMON_CLK 39783bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 39815205fc0SPaul Cercueil select BUILTIN_DTB if MIPS_NO_APPENDED_DTB 399ffb1843dSPaul Burton select USE_OF 4006ec127fbSPaul Burton select LIBFDT 4015ebabe59SLars-Peter Clausen 402171bb2f1SJohn Crispinconfig LANTIQ 403171bb2f1SJohn Crispin bool "Lantiq based platforms" 404171bb2f1SJohn Crispin select DMA_NONCOHERENT 40567e38cf2SRalf Baechle select IRQ_MIPS_CPU 406171bb2f1SJohn Crispin select CEVT_R4K 407171bb2f1SJohn Crispin select CSRC_R4K 408171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 409171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 410171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 411171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 412377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 413171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 414f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 415171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 416d30a2b47SLinus Walleij select GPIOLIB 417171bb2f1SJohn Crispin select SWAP_IO_SPACE 418171bb2f1SJohn Crispin select BOOT_RAW 419287e3f3fSJohn Crispin select CLKDEV_LOOKUP 420a0392222SJohn Crispin select USE_OF 4213f8c50c9SJohn Crispin select PINCTRL 4223f8c50c9SJohn Crispin select PINCTRL_LANTIQ 423c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 424c530781cSJohn Crispin select RESET_CONTROLLER 425171bb2f1SJohn Crispin 4261f21d2bdSBrian Murphyconfig LASAT 4271f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42842f77542SRalf Baechle select CEVT_R4K 42916f0bbbcSRalf Baechle select CRC32 430940f6b48SRalf Baechle select CSRC_R4K 4311f21d2bdSBrian Murphy select DMA_NONCOHERENT 4321f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 433eb01d42aSChristoph Hellwig select HAVE_PCI 43467e38cf2SRalf Baechle select IRQ_MIPS_CPU 4351f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4361f21d2bdSBrian Murphy select MIPS_NILE4 4371f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4381f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4391f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4401f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4411f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4421f21d2bdSBrian Murphy 44330ad29bbSHuacai Chenconfig MACH_LOONGSON32 44430ad29bbSHuacai Chen bool "Loongson-1 family of machines" 445c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 446ade299d8SYoichi Yuasa help 44730ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44885749d24SWu Zhangjin 44930ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 45030ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 45130ad29bbSHuacai Chen Sciences (CAS). 452ade299d8SYoichi Yuasa 45330ad29bbSHuacai Chenconfig MACH_LOONGSON64 45430ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 455ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 456ca585cf9SKelvin Cheung help 45730ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 458ca585cf9SKelvin Cheung 45930ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 46030ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 46130ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 46230ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 46330ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 46430ad29bbSHuacai Chen Weiwu Hu. 465ca585cf9SKelvin Cheung 4666a438309SAndrew Brestickerconfig MACH_PISTACHIO 4676a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4686a438309SAndrew Bresticker select BOOT_ELF32 4696a438309SAndrew Bresticker select BOOT_RAW 4706a438309SAndrew Bresticker select CEVT_R4K 4716a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4726a438309SAndrew Bresticker select COMMON_CLK 4736a438309SAndrew Bresticker select CSRC_R4K 474645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 475d30a2b47SLinus Walleij select GPIOLIB 47667e38cf2SRalf Baechle select IRQ_MIPS_CPU 4776a438309SAndrew Bresticker select LIBFDT 4786a438309SAndrew Bresticker select MFD_SYSCON 4796a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4806a438309SAndrew Bresticker select MIPS_GIC 4816a438309SAndrew Bresticker select PINCTRL 4826a438309SAndrew Bresticker select REGULATOR 4836a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4846a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4856a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4866a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4876a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48841cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4896a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 490018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 491018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4926a438309SAndrew Bresticker select USE_OF 4936a438309SAndrew Bresticker help 4946a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4956a438309SAndrew Bresticker 4961da177e4SLinus Torvaldsconfig MIPS_MALTA 4973fa986faSMartin Michlmayr bool "MIPS Malta board" 49861ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 499a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 5007a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 5011da177e4SLinus Torvalds select BOOT_ELF32 502fa71c960SRalf Baechle select BOOT_RAW 503e8823d26SPaul Burton select BUILTIN_DTB 50442f77542SRalf Baechle select CEVT_R4K 505fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50642b002abSGuenter Roeck select COMMON_CLK 50747bf2b03SMaksym Kokhan select CSRC_R4K 508885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5091da177e4SLinus Torvalds select GENERIC_ISA_DMA 5108a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 511eb01d42aSChristoph Hellwig select HAVE_PCI 512d865bea4SRalf Baechle select I8253 5131da177e4SLinus Torvalds select I8259 51447bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 51547bf2b03SMaksym Kokhan select LIBFDT 5165e83d430SRalf Baechle select MIPS_BONITO64 5179318c51aSChris Dearman select MIPS_CPU_SCACHE 51847bf2b03SMaksym Kokhan select MIPS_GIC 519a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5205e83d430SRalf Baechle select MIPS_MSC 52147bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 522ecafe3e9SPaul Burton select SMP_UP if SMP 5231da177e4SLinus Torvalds select SWAP_IO_SPACE 5247cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5257cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 526bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 527c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 528575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5297cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5305d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 531575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5327cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5337cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 534ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 535ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5365e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 537c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5385e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 539424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 54047bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5410365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 542e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 543f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 54447bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5459693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 546f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5471b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 548e8823d26SPaul Burton select USE_OF 549abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 5501da177e4SLinus Torvalds help 551f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5521da177e4SLinus Torvalds board. 5531da177e4SLinus Torvalds 5542572f00dSJoshua Hendersonconfig MACH_PIC32 5552572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5562572f00dSJoshua Henderson help 5572572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5582572f00dSJoshua Henderson 5592572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5602572f00dSJoshua Henderson microcontrollers. 5612572f00dSJoshua Henderson 562a83860c2SRalf Baechleconfig NEC_MARKEINS 563a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 564a83860c2SRalf Baechle select SOC_EMMA2RH 565eb01d42aSChristoph Hellwig select HAVE_PCI 566a83860c2SRalf Baechle help 567a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 568ade299d8SYoichi Yuasa 5695e83d430SRalf Baechleconfig MACH_VR41XX 57074142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 57142f77542SRalf Baechle select CEVT_R4K 572940f6b48SRalf Baechle select CSRC_R4K 5737cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 574377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 575d30a2b47SLinus Walleij select GPIOLIB 5765e83d430SRalf Baechle 577edb6310aSDaniel Lairdconfig NXP_STB220 578edb6310aSDaniel Laird bool "NXP STB220 board" 579edb6310aSDaniel Laird select SOC_PNX833X 580edb6310aSDaniel Laird help 581edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 582edb6310aSDaniel Laird 583edb6310aSDaniel Lairdconfig NXP_STB225 584edb6310aSDaniel Laird bool "NXP 225 board" 585edb6310aSDaniel Laird select SOC_PNX833X 586edb6310aSDaniel Laird select SOC_PNX8335 587edb6310aSDaniel Laird help 588edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 589edb6310aSDaniel Laird 5909267a30dSMarc St-Jeanconfig PMC_MSP 5919267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 59239d30c13SAnoop P A select CEVT_R4K 59339d30c13SAnoop P A select CSRC_R4K 5949267a30dSMarc St-Jean select DMA_NONCOHERENT 5959267a30dSMarc St-Jean select SWAP_IO_SPACE 5969267a30dSMarc St-Jean select NO_EXCEPT_FILL 5979267a30dSMarc St-Jean select BOOT_RAW 5989267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5999267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 6009267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 6019267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 602377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 60367e38cf2SRalf Baechle select IRQ_MIPS_CPU 6049267a30dSMarc St-Jean select SERIAL_8250 6059267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6069296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6079296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6089267a30dSMarc St-Jean help 6099267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6109267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6119267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6129267a30dSMarc St-Jean a variety of MIPS cores. 6139267a30dSMarc St-Jean 614ae2b5bb6SJohn Crispinconfig RALINK 615ae2b5bb6SJohn Crispin bool "Ralink based machines" 616ae2b5bb6SJohn Crispin select CEVT_R4K 617ae2b5bb6SJohn Crispin select CSRC_R4K 618ae2b5bb6SJohn Crispin select BOOT_RAW 619ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 62067e38cf2SRalf Baechle select IRQ_MIPS_CPU 621ae2b5bb6SJohn Crispin select USE_OF 622ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 623ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 624ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 625ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 626377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 627ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 628ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6292a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6302a153f1cSJohn Crispin select RESET_CONTROLLER 631ae2b5bb6SJohn Crispin 6321da177e4SLinus Torvaldsconfig SGI_IP22 6333fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6340e2794b0SRalf Baechle select FW_ARC 6350e2794b0SRalf Baechle select FW_ARC32 6367a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6371da177e4SLinus Torvalds select BOOT_ELF32 63842f77542SRalf Baechle select CEVT_R4K 639940f6b48SRalf Baechle select CSRC_R4K 640e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6411da177e4SLinus Torvalds select DMA_NONCOHERENT 6426630a8e5SChristoph Hellwig select HAVE_EISA 643d865bea4SRalf Baechle select I8253 64468de4803SThomas Bogendoerfer select I8259 6451da177e4SLinus Torvalds select IP22_CPU_SCACHE 64667e38cf2SRalf Baechle select IRQ_MIPS_CPU 647aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 648e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 649e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 65036e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 651e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 652e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 653e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6541da177e4SLinus Torvalds select SWAP_IO_SPACE 6557cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6567cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6572b5e63f6SMartin Michlmayr # 6582b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6592b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6602b5e63f6SMartin Michlmayr # 6612b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6622b5e63f6SMartin Michlmayr # for a more details discussion 6632b5e63f6SMartin Michlmayr # 6642b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 665ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 666ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6675e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 668930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6691da177e4SLinus Torvalds help 6701da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6711da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6721da177e4SLinus Torvalds that runs on these, say Y here. 6731da177e4SLinus Torvalds 6741da177e4SLinus Torvaldsconfig SGI_IP27 6753fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67654aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 677397dc00eSMike Rapoport select ARCH_SPARSEMEM_ENABLE 6780e2794b0SRalf Baechle select FW_ARC 6790e2794b0SRalf Baechle select FW_ARC64 6805e83d430SRalf Baechle select BOOT_ELF64 681e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 68236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 683eb01d42aSChristoph Hellwig select HAVE_PCI 68469a07a41SThomas Bogendoerfer select IRQ_MIPS_CPU 685e6308b6dSThomas Bogendoerfer select IRQ_DOMAIN_HIERARCHY 686130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 687a57140e9SThomas Bogendoerfer select PCI_DRIVERS_GENERIC 688a57140e9SThomas Bogendoerfer select PCI_XTALK_BRIDGE 6897cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 690ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6915e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 692d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6931a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 694930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6951da177e4SLinus Torvalds help 6961da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6971da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6981da177e4SLinus Torvalds here. 6991da177e4SLinus Torvalds 700e2defae5SThomas Bogendoerferconfig SGI_IP28 7017d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 7020e2794b0SRalf Baechle select FW_ARC 7030e2794b0SRalf Baechle select FW_ARC64 7047a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 705e2defae5SThomas Bogendoerfer select BOOT_ELF64 706e2defae5SThomas Bogendoerfer select CEVT_R4K 707e2defae5SThomas Bogendoerfer select CSRC_R4K 708e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 709e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 710e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 71167e38cf2SRalf Baechle select IRQ_MIPS_CPU 7126630a8e5SChristoph Hellwig select HAVE_EISA 713e2defae5SThomas Bogendoerfer select I8253 714e2defae5SThomas Bogendoerfer select I8259 715e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 716e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7175b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 718e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 719e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 720e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 721e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 722e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7232b5e63f6SMartin Michlmayr # 7242b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7252b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7262b5e63f6SMartin Michlmayr # 7272b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7282b5e63f6SMartin Michlmayr # for a more details discussion 7292b5e63f6SMartin Michlmayr # 7302b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 731e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 732e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 733dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 734e2defae5SThomas Bogendoerfer help 735e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 736e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 737e2defae5SThomas Bogendoerfer 7381da177e4SLinus Torvaldsconfig SGI_IP32 739cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 74003df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7410e2794b0SRalf Baechle select FW_ARC 7420e2794b0SRalf Baechle select FW_ARC32 7431da177e4SLinus Torvalds select BOOT_ELF32 74442f77542SRalf Baechle select CEVT_R4K 745940f6b48SRalf Baechle select CSRC_R4K 7461da177e4SLinus Torvalds select DMA_NONCOHERENT 747eb01d42aSChristoph Hellwig select HAVE_PCI 74867e38cf2SRalf Baechle select IRQ_MIPS_CPU 7491da177e4SLinus Torvalds select R5000_CPU_SCACHE 7501da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7517cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7527cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7537cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 754dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 755ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7565e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7571da177e4SLinus Torvalds help 7581da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7591da177e4SLinus Torvalds 760ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 761ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7625e83d430SRalf Baechle select BOOT_ELF32 7635e83d430SRalf Baechle select SIBYTE_BCM1120 7645e83d430SRalf Baechle select SWAP_IO_SPACE 7657cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7675e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7685e83d430SRalf Baechle 769ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 770ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7715e83d430SRalf Baechle select BOOT_ELF32 7725e83d430SRalf Baechle select SIBYTE_BCM1120 7735e83d430SRalf Baechle select SWAP_IO_SPACE 7747cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7755e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7775e83d430SRalf Baechle 7785e83d430SRalf Baechleconfig SIBYTE_CRHONE 7793fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7805e83d430SRalf Baechle select BOOT_ELF32 7815e83d430SRalf Baechle select SIBYTE_BCM1125 7825e83d430SRalf Baechle select SWAP_IO_SPACE 7837cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7845e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7855e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7865e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7875e83d430SRalf Baechle 788ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 789ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 790ade299d8SYoichi Yuasa select BOOT_ELF32 791ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 792ade299d8SYoichi Yuasa select SWAP_IO_SPACE 793ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 794ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 795ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 796ade299d8SYoichi Yuasa 797ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 798ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 799ade299d8SYoichi Yuasa select BOOT_ELF32 800fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 801ade299d8SYoichi Yuasa select SIBYTE_SB1250 802ade299d8SYoichi Yuasa select SWAP_IO_SPACE 803ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 804ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 805ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 806ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 807cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 808e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 809ade299d8SYoichi Yuasa 810ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 811ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 812ade299d8SYoichi Yuasa select BOOT_ELF32 813fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 814ade299d8SYoichi Yuasa select SIBYTE_SB1250 815ade299d8SYoichi Yuasa select SWAP_IO_SPACE 816ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 817ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 818ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 819ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 820756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 821ade299d8SYoichi Yuasa 822ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 823ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 824ade299d8SYoichi Yuasa select BOOT_ELF32 825ade299d8SYoichi Yuasa select SIBYTE_SB1250 826ade299d8SYoichi Yuasa select SWAP_IO_SPACE 827ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 828ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 829ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 830e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 831ade299d8SYoichi Yuasa 832ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 833ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 834ade299d8SYoichi Yuasa select BOOT_ELF32 835ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 836ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 837ade299d8SYoichi Yuasa select SWAP_IO_SPACE 838ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 839ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 840651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 841ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 842cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 843e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 844ade299d8SYoichi Yuasa 84514b36af4SThomas Bogendoerferconfig SNI_RM 84614b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8470e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8480e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 849aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8505e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 851a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8527a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8535e83d430SRalf Baechle select BOOT_ELF32 85442f77542SRalf Baechle select CEVT_R4K 855940f6b48SRalf Baechle select CSRC_R4K 856e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8575e83d430SRalf Baechle select DMA_NONCOHERENT 8585e83d430SRalf Baechle select GENERIC_ISA_DMA 8596630a8e5SChristoph Hellwig select HAVE_EISA 8608a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 861eb01d42aSChristoph Hellwig select HAVE_PCI 86267e38cf2SRalf Baechle select IRQ_MIPS_CPU 863d865bea4SRalf Baechle select I8253 8645e83d430SRalf Baechle select I8259 8655e83d430SRalf Baechle select ISA 8664a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8677cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8684a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 869c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8704a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 87136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 872ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8737d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8744a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8755e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8771da177e4SLinus Torvalds help 87814b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 87914b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8805e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8815e83d430SRalf Baechle support this machine type. 8821da177e4SLinus Torvalds 883edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 884edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8855e83d430SRalf Baechle 886edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 887edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 88823fbee9dSRalf Baechle 88973b4390fSRalf Baechleconfig MIKROTIK_RB532 89073b4390fSRalf Baechle bool "Mikrotik RB532 boards" 89173b4390fSRalf Baechle select CEVT_R4K 89273b4390fSRalf Baechle select CSRC_R4K 89373b4390fSRalf Baechle select DMA_NONCOHERENT 894eb01d42aSChristoph Hellwig select HAVE_PCI 89567e38cf2SRalf Baechle select IRQ_MIPS_CPU 89673b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 89773b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 89873b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 89973b4390fSRalf Baechle select SWAP_IO_SPACE 90073b4390fSRalf Baechle select BOOT_RAW 901d30a2b47SLinus Walleij select GPIOLIB 902930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 90373b4390fSRalf Baechle help 90473b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 90573b4390fSRalf Baechle based on the IDT RC32434 SoC. 90673b4390fSRalf Baechle 9079ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 9089ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 909a86c7f72SDavid Daney select CEVT_R4K 910ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9111753d50cSChristoph Hellwig select HAVE_RAPIDIO 912d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 913a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 914a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 915f65aad41SRalf Baechle select EDAC_SUPPORT 916b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 91773569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 91873569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 919a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9205e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 921eb01d42aSChristoph Hellwig select HAVE_PCI 922f00e001eSDavid Daney select ZONE_DMA32 923465aaed0SDavid Daney select HOLES_IN_ZONE 924d30a2b47SLinus Walleij select GPIOLIB 9256e511163SDavid Daney select LIBFDT 9266e511163SDavid Daney select USE_OF 9276e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9286e511163SDavid Daney select SYS_SUPPORTS_SMP 9297820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9307820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 931e326479fSAndrew Bresticker select BUILTIN_DTB 9328c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 93309230cbcSChristoph Hellwig select SWIOTLB 9343ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 935a86c7f72SDavid Daney help 936a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 937a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 938a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 939a86c7f72SDavid Daney Some of the supported boards are: 940a86c7f72SDavid Daney EBT3000 941a86c7f72SDavid Daney EBH3000 942a86c7f72SDavid Daney EBH3100 943a86c7f72SDavid Daney Thunder 944a86c7f72SDavid Daney Kodama 945a86c7f72SDavid Daney Hikari 946a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 947a86c7f72SDavid Daney 9487f058e85SJayachandran Cconfig NLM_XLR_BOARD 9497f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9507f058e85SJayachandran C select BOOT_ELF32 9517f058e85SJayachandran C select NLM_COMMON 9527f058e85SJayachandran C select SYS_HAS_CPU_XLR 9537f058e85SJayachandran C select SYS_SUPPORTS_SMP 954eb01d42aSChristoph Hellwig select HAVE_PCI 9557f058e85SJayachandran C select SWAP_IO_SPACE 9567f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9577f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 958d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9597f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9607f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9617f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9627f058e85SJayachandran C select CEVT_R4K 9637f058e85SJayachandran C select CSRC_R4K 96467e38cf2SRalf Baechle select IRQ_MIPS_CPU 965b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9667f058e85SJayachandran C select SYNC_R4K 9677f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9688f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9698f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9707f058e85SJayachandran C help 9717f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9727f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9737f058e85SJayachandran C 9741c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9751c773ea4SJayachandran C bool "Netlogic XLP based systems" 9761c773ea4SJayachandran C select BOOT_ELF32 9771c773ea4SJayachandran C select NLM_COMMON 9781c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9791c773ea4SJayachandran C select SYS_SUPPORTS_SMP 980eb01d42aSChristoph Hellwig select HAVE_PCI 9811c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9821c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 983d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 984d30a2b47SLinus Walleij select GPIOLIB 9851c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9861c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9871c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9881c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9891c773ea4SJayachandran C select CEVT_R4K 9901c773ea4SJayachandran C select CSRC_R4K 99167e38cf2SRalf Baechle select IRQ_MIPS_CPU 992b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9931c773ea4SJayachandran C select SYNC_R4K 9941c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9952f6528e1SJayachandran C select USE_OF 9968f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9978f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9981c773ea4SJayachandran C help 9991c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 10001c773ea4SJayachandran C Say Y here if you have a XLP based board. 10011c773ea4SJayachandran C 10029bc463beSDavid Daneyconfig MIPS_PARAVIRT 10039bc463beSDavid Daney bool "Para-Virtualized guest system" 10049bc463beSDavid Daney select CEVT_R4K 10059bc463beSDavid Daney select CSRC_R4K 10069bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 10079bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 10089bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 10099bc463beSDavid Daney select SYS_SUPPORTS_SMP 10109bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10119bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10129bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10139bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10149bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1015eb01d42aSChristoph Hellwig select HAVE_PCI 10169bc463beSDavid Daney select SWAP_IO_SPACE 10179bc463beSDavid Daney help 10189bc463beSDavid Daney This option supports guest running under ???? 10199bc463beSDavid Daney 10201da177e4SLinus Torvaldsendchoice 10211da177e4SLinus Torvalds 1022e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10233b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1024d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1025a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1026e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10278945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1028eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10295e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10305ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10318ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10321f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10332572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1034af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10350f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1036ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 103729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 103838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 103922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10405e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1041a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 104230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 104330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10447f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1045ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 104638b18f72SRalf Baechle 10475e83d430SRalf Baechleendmenu 10485e83d430SRalf Baechle 10493c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10503c9ee7efSAkinobu Mita bool 10513c9ee7efSAkinobu Mita default y 10523c9ee7efSAkinobu Mita 10531da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10541da177e4SLinus Torvalds bool 10551da177e4SLinus Torvalds default y 10561da177e4SLinus Torvalds 1057ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10581cc89038SAtsushi Nemoto bool 10591cc89038SAtsushi Nemoto default y 10601cc89038SAtsushi Nemoto 10611da177e4SLinus Torvalds# 10621da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10631da177e4SLinus Torvalds# 10640e2794b0SRalf Baechleconfig FW_ARC 10651da177e4SLinus Torvalds bool 10661da177e4SLinus Torvalds 106761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106861ed242dSRalf Baechle bool 106961ed242dSRalf Baechle 10709267a30dSMarc St-Jeanconfig BOOT_RAW 10719267a30dSMarc St-Jean bool 10729267a30dSMarc St-Jean 1073217dd11eSRalf Baechleconfig CEVT_BCM1480 1074217dd11eSRalf Baechle bool 1075217dd11eSRalf Baechle 10766457d9fcSYoichi Yuasaconfig CEVT_DS1287 10776457d9fcSYoichi Yuasa bool 10786457d9fcSYoichi Yuasa 10791097c6acSYoichi Yuasaconfig CEVT_GT641XX 10801097c6acSYoichi Yuasa bool 10811097c6acSYoichi Yuasa 108242f77542SRalf Baechleconfig CEVT_R4K 108342f77542SRalf Baechle bool 108442f77542SRalf Baechle 1085217dd11eSRalf Baechleconfig CEVT_SB1250 1086217dd11eSRalf Baechle bool 1087217dd11eSRalf Baechle 1088229f773eSAtsushi Nemotoconfig CEVT_TXX9 1089229f773eSAtsushi Nemoto bool 1090229f773eSAtsushi Nemoto 1091217dd11eSRalf Baechleconfig CSRC_BCM1480 1092217dd11eSRalf Baechle bool 1093217dd11eSRalf Baechle 10944247417dSYoichi Yuasaconfig CSRC_IOASIC 10954247417dSYoichi Yuasa bool 10964247417dSYoichi Yuasa 1097940f6b48SRalf Baechleconfig CSRC_R4K 1098940f6b48SRalf Baechle bool 1099940f6b48SRalf Baechle 1100217dd11eSRalf Baechleconfig CSRC_SB1250 1101217dd11eSRalf Baechle bool 1102217dd11eSRalf Baechle 1103a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1104a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1105a7f4df4eSAlex Smith 1106a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1107d30a2b47SLinus Walleij select GPIOLIB 1108a9aec7feSAtsushi Nemoto bool 1109a9aec7feSAtsushi Nemoto 11100e2794b0SRalf Baechleconfig FW_CFE 1111df78b5c8SAurelien Jarno bool 1112df78b5c8SAurelien Jarno 111340e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111440e084a5SRalf Baechle bool 111540e084a5SRalf Baechle 1116885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1117f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1118885014bcSFelix Fietkau select DMA_NONCOHERENT 1119885014bcSFelix Fietkau bool 1120885014bcSFelix Fietkau 112120d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112220d33064SPaul Burton bool 1123347cb6afSChristoph Hellwig select ARCH_HAS_SETUP_DMA_OPS 11245748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112520d33064SPaul Burton 11261da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11271da177e4SLinus Torvalds bool 1128db91427bSChristoph Hellwig # 1129db91427bSChristoph Hellwig # MIPS allows mixing "slightly different" Cacheability and Coherency 1130db91427bSChristoph Hellwig # Attribute bits. It is believed that the uncached access through 1131db91427bSChristoph Hellwig # KSEG1 and the implementation specific "uncached accelerated" used 1132db91427bSChristoph Hellwig # by pgprot_writcombine can be mixed, and the latter sometimes provides 1133db91427bSChristoph Hellwig # significant advantages. 1134db91427bSChristoph Hellwig # 1135419e2f18SChristoph Hellwig select ARCH_HAS_DMA_WRITE_COMBINE 1136f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 11372ee7a4efSChristoph Hellwig select ARCH_HAS_UNCACHED_SEGMENT 1138e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 113958b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1140f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11414ce588cdSRalf Baechle 114236a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11431da177e4SLinus Torvalds bool 11441da177e4SLinus Torvalds 11451b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1146dbb74540SRalf Baechle bool 1147dbb74540SRalf Baechle 11481da177e4SLinus Torvaldsconfig MIPS_BONITO64 11491da177e4SLinus Torvalds bool 11501da177e4SLinus Torvalds 11511da177e4SLinus Torvaldsconfig MIPS_MSC 11521da177e4SLinus Torvalds bool 11531da177e4SLinus Torvalds 11541f21d2bdSBrian Murphyconfig MIPS_NILE4 11551f21d2bdSBrian Murphy bool 11561f21d2bdSBrian Murphy 115739b8d525SRalf Baechleconfig SYNC_R4K 115839b8d525SRalf Baechle bool 115939b8d525SRalf Baechle 1160487d70d0SGabor Juhosconfig MIPS_MACHINE 1161487d70d0SGabor Juhos def_bool n 1162487d70d0SGabor Juhos 1163ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1164d388d685SMaciej W. Rozycki def_bool n 1165d388d685SMaciej W. Rozycki 11664e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11674e0748f5SMarkos Chandras bool 1168932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11694e0748f5SMarkos Chandras 11708313da30SRalf Baechleconfig GENERIC_ISA_DMA 11718313da30SRalf Baechle bool 11728313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1173a35bee8aSNamhyung Kim select ISA_DMA_API 11748313da30SRalf Baechle 1175aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1176aa414dffSRalf Baechle bool 11778313da30SRalf Baechle select GENERIC_ISA_DMA 1178aa414dffSRalf Baechle 1179a35bee8aSNamhyung Kimconfig ISA_DMA_API 1180a35bee8aSNamhyung Kim bool 1181a35bee8aSNamhyung Kim 1182465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1183465aaed0SDavid Daney bool 1184465aaed0SDavid Daney 11858c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11868c530ea3SMatt Redfearn bool 11878c530ea3SMatt Redfearn help 11888c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11898c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11908c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11918c530ea3SMatt Redfearn 1192f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1193f381bf6dSDavid Daney def_bool y 1194f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1195f381bf6dSDavid Daney 1196f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1197f381bf6dSDavid Daney def_bool y 1198f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1199f381bf6dSDavid Daney 1200f381bf6dSDavid Daney 12015e83d430SRalf Baechle# 12026b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 12035e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 12045e83d430SRalf Baechle# choice statement should be more obvious to the user. 12055e83d430SRalf Baechle# 12065e83d430SRalf Baechlechoice 12076b2aac42SMasanari Iida prompt "Endianness selection" 12081da177e4SLinus Torvalds help 12091da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 12105e83d430SRalf Baechle byte order. These modes require different kernels and a different 12113cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12125e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12133dde6ad8SDavid Sterba one or the other endianness. 12145e83d430SRalf Baechle 12155e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12165e83d430SRalf Baechle bool "Big endian" 12175e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12185e83d430SRalf Baechle 12195e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12205e83d430SRalf Baechle bool "Little endian" 12215e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12225e83d430SRalf Baechle 12235e83d430SRalf Baechleendchoice 12245e83d430SRalf Baechle 122522b0763aSDavid Daneyconfig EXPORT_UASM 122622b0763aSDavid Daney bool 122722b0763aSDavid Daney 12282116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12292116245eSRalf Baechle bool 12302116245eSRalf Baechle 12315e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12325e83d430SRalf Baechle bool 12335e83d430SRalf Baechle 12345e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12355e83d430SRalf Baechle bool 12361da177e4SLinus Torvalds 12379cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12389cffd154SDavid Daney bool 123945e03e62SDaniel Silsby depends on CPU_SUPPORTS_HUGEPAGES 12409cffd154SDavid Daney default y 12419cffd154SDavid Daney 1242aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1243aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1244aa1762f4SDavid Daney 12451da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12461da177e4SLinus Torvalds bool 12471da177e4SLinus Torvalds 12489267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12499267a30dSMarc St-Jean bool 12509267a30dSMarc St-Jean 12519267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12529267a30dSMarc St-Jean bool 12539267a30dSMarc St-Jean 12548420fd00SAtsushi Nemotoconfig IRQ_TXX9 12558420fd00SAtsushi Nemoto bool 12568420fd00SAtsushi Nemoto 1257d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1258d5ab1a69SYoichi Yuasa bool 1259d5ab1a69SYoichi Yuasa 1260252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12611da177e4SLinus Torvalds bool 12621da177e4SLinus Torvalds 1263a57140e9SThomas Bogendoerferconfig PCI_XTALK_BRIDGE 1264a57140e9SThomas Bogendoerfer bool 1265a57140e9SThomas Bogendoerfer 12669267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12679267a30dSMarc St-Jean bool 12689267a30dSMarc St-Jean 1269a83860c2SRalf Baechleconfig SOC_EMMA2RH 1270a83860c2SRalf Baechle bool 1271a83860c2SRalf Baechle select CEVT_R4K 1272a83860c2SRalf Baechle select CSRC_R4K 1273a83860c2SRalf Baechle select DMA_NONCOHERENT 127467e38cf2SRalf Baechle select IRQ_MIPS_CPU 1275a83860c2SRalf Baechle select SWAP_IO_SPACE 1276a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1277a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1278a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1279a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1280a83860c2SRalf Baechle 1281edb6310aSDaniel Lairdconfig SOC_PNX833X 1282edb6310aSDaniel Laird bool 1283edb6310aSDaniel Laird select CEVT_R4K 1284edb6310aSDaniel Laird select CSRC_R4K 128567e38cf2SRalf Baechle select IRQ_MIPS_CPU 1286edb6310aSDaniel Laird select DMA_NONCOHERENT 1287edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1288edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1289edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1290edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1291377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1292edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1293edb6310aSDaniel Laird 1294edb6310aSDaniel Lairdconfig SOC_PNX8335 1295edb6310aSDaniel Laird bool 1296edb6310aSDaniel Laird select SOC_PNX833X 1297edb6310aSDaniel Laird 1298a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1299a7e07b1aSMarkos Chandras bool 1300a7e07b1aSMarkos Chandras 13011da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 13021da177e4SLinus Torvalds bool 13031da177e4SLinus Torvalds 1304e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1305e2defae5SThomas Bogendoerfer bool 1306e2defae5SThomas Bogendoerfer 13075b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 13085b438c44SThomas Bogendoerfer bool 13095b438c44SThomas Bogendoerfer 1310e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1311e2defae5SThomas Bogendoerfer bool 1312e2defae5SThomas Bogendoerfer 1313e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1314e2defae5SThomas Bogendoerfer bool 1315e2defae5SThomas Bogendoerfer 1316e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1317e2defae5SThomas Bogendoerfer bool 1318e2defae5SThomas Bogendoerfer 1319e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1320e2defae5SThomas Bogendoerfer bool 1321e2defae5SThomas Bogendoerfer 1322e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1323e2defae5SThomas Bogendoerfer bool 1324e2defae5SThomas Bogendoerfer 13250e2794b0SRalf Baechleconfig FW_ARC32 13265e83d430SRalf Baechle bool 13275e83d430SRalf Baechle 1328aaa9fad3SPaul Bolleconfig FW_SNIPROM 1329231a35d3SThomas Bogendoerfer bool 1330231a35d3SThomas Bogendoerfer 13311da177e4SLinus Torvaldsconfig BOOT_ELF32 13321da177e4SLinus Torvalds bool 13331da177e4SLinus Torvalds 1334930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1335930beb5aSFlorian Fainelli bool 1336930beb5aSFlorian Fainelli 1337930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1338930beb5aSFlorian Fainelli bool 1339930beb5aSFlorian Fainelli 1340930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1341930beb5aSFlorian Fainelli bool 1342930beb5aSFlorian Fainelli 1343930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1344930beb5aSFlorian Fainelli bool 1345930beb5aSFlorian Fainelli 13461da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13471da177e4SLinus Torvalds int 1348a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13495432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13505432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13515432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13521da177e4SLinus Torvalds default "5" 13531da177e4SLinus Torvalds 13541da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13551da177e4SLinus Torvalds bool 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvaldsconfig ARC_CONSOLE 13581da177e4SLinus Torvalds bool "ARC console support" 1359e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13601da177e4SLinus Torvalds 13611da177e4SLinus Torvaldsconfig ARC_MEMORY 13621da177e4SLinus Torvalds bool 136314b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13641da177e4SLinus Torvalds default y 13651da177e4SLinus Torvalds 13661da177e4SLinus Torvaldsconfig ARC_PROMLIB 13671da177e4SLinus Torvalds bool 1368e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13691da177e4SLinus Torvalds default y 13701da177e4SLinus Torvalds 13710e2794b0SRalf Baechleconfig FW_ARC64 13721da177e4SLinus Torvalds bool 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvaldsconfig BOOT_ELF64 13751da177e4SLinus Torvalds bool 13761da177e4SLinus Torvalds 13771da177e4SLinus Torvaldsmenu "CPU selection" 13781da177e4SLinus Torvalds 13791da177e4SLinus Torvaldschoice 13801da177e4SLinus Torvalds prompt "CPU type" 13811da177e4SLinus Torvalds default CPU_R4X00 13821da177e4SLinus Torvalds 13830e476d91SHuacai Chenconfig CPU_LOONGSON3 13840e476d91SHuacai Chen bool "Loongson 3 CPU" 13850e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1386d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13870e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13880e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13890e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 1390*7507445bSHuacai Chen select CPU_SUPPORTS_MSA 1391932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13920e476d91SHuacai Chen select WEAK_ORDERING 13930e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1394*7507445bSHuacai Chen select MIPS_ASID_BITS_VARIABLE 1395b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 139617c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1397d30a2b47SLinus Walleij select GPIOLIB 139809230cbcSChristoph Hellwig select SWIOTLB 13990e476d91SHuacai Chen help 14000e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 14010e476d91SHuacai Chen set with many extensions. 14020e476d91SHuacai Chen 14031e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 14041e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 14051e820da3SHuacai Chen default n 14061e820da3SHuacai Chen select CPU_MIPSR2 14071e820da3SHuacai Chen select CPU_HAS_PREFETCH 14081e820da3SHuacai Chen depends on CPU_LOONGSON3 14091e820da3SHuacai Chen help 14101e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 14111e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 14121e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 14131e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 14141e820da3SHuacai Chen Fast TLB refill support, etc. 14151e820da3SHuacai Chen 14161e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14171e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14181e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14191e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14201e820da3SHuacai Chen 1421e02e07e3SHuacai Chenconfig CPU_LOONGSON3_WORKAROUNDS 1422e02e07e3SHuacai Chen bool "Old Loongson 3 LLSC Workarounds" 1423e02e07e3SHuacai Chen default y if SMP 1424e02e07e3SHuacai Chen depends on CPU_LOONGSON3 1425e02e07e3SHuacai Chen help 1426e02e07e3SHuacai Chen Loongson 3 processors have the llsc issues which require workarounds. 1427e02e07e3SHuacai Chen Without workarounds the system may hang unexpectedly. 1428e02e07e3SHuacai Chen 1429e02e07e3SHuacai Chen Newer Loongson 3 will fix these issues and no workarounds are needed. 1430e02e07e3SHuacai Chen The workarounds have no significant side effect on them but may 1431e02e07e3SHuacai Chen decrease the performance of the system so this option should be 1432e02e07e3SHuacai Chen disabled unless the kernel is intended to be run on old systems. 1433e02e07e3SHuacai Chen 1434e02e07e3SHuacai Chen If unsure, please say Y. 1435e02e07e3SHuacai Chen 14363702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14373702bba5SWu Zhangjin bool "Loongson 2E" 14383702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14393702bba5SWu Zhangjin select CPU_LOONGSON2 14402a21c730SFuxin Zhang help 14412a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14422a21c730SFuxin Zhang with many extensions. 14432a21c730SFuxin Zhang 144425985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14456f7a251aSWu Zhangjin bonito64. 14466f7a251aSWu Zhangjin 14476f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14486f7a251aSWu Zhangjin bool "Loongson 2F" 14496f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14506f7a251aSWu Zhangjin select CPU_LOONGSON2 1451d30a2b47SLinus Walleij select GPIOLIB 14526f7a251aSWu Zhangjin help 14536f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14546f7a251aSWu Zhangjin with many extensions. 14556f7a251aSWu Zhangjin 14566f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14576f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14586f7a251aSWu Zhangjin Loongson2E. 14596f7a251aSWu Zhangjin 1460ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1461ca585cf9SKelvin Cheung bool "Loongson 1B" 1462ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1463ca585cf9SKelvin Cheung select CPU_LOONGSON1 14649ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1465ca585cf9SKelvin Cheung help 1466ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1467968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1468968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1469ca585cf9SKelvin Cheung 147012e3280bSYang Lingconfig CPU_LOONGSON1C 147112e3280bSYang Ling bool "Loongson 1C" 147212e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 147312e3280bSYang Ling select CPU_LOONGSON1 147412e3280bSYang Ling select LEDS_GPIO_REGISTER 147512e3280bSYang Ling help 147612e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1477968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1478968dc5a0S谢致邦 (XIE Zhibang) instruction set. 147912e3280bSYang Ling 14806e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14816e760c8dSRalf Baechle bool "MIPS32 Release 1" 14827cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14836e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1484932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1485797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1486ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14876e760c8dSRalf Baechle help 14885e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14891e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14901e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14911e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14921e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14931e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14941e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14951e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14961e5f1caaSRalf Baechle performance. 14971e5f1caaSRalf Baechle 14981e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14991e5f1caaSRalf Baechle bool "MIPS32 Release 2" 15007cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 15011e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1502932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1503797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1504ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1505a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 15062235a54dSSanjay Lal select HAVE_KVM 15071e5f1caaSRalf Baechle help 15085e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 15096e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 15106e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 15116e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15126e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 15131da177e4SLinus Torvalds 15147fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1515674d10e2SMarkos Chandras bool "MIPS32 Release 6" 15167fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 15177fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15187fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15197fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15207fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15217fd08ca5SLeonid Yegoshin select HAVE_KVM 15227fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 15237fd08ca5SLeonid Yegoshin help 15247fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15257fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 15267fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 15277fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 15287fd08ca5SLeonid Yegoshin 15296e760c8dSRalf Baechleconfig CPU_MIPS64_R1 15306e760c8dSRalf Baechle bool "MIPS64 Release 1" 15317cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1532797798c1SRalf Baechle select CPU_HAS_PREFETCH 1533932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1534ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1535ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1536ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15379cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15386e760c8dSRalf Baechle help 15396e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15406e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15416e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15426e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15436e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15441e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15451e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15461e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15471e5f1caaSRalf Baechle performance. 15481e5f1caaSRalf Baechle 15491e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15501e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15517cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1552797798c1SRalf Baechle select CPU_HAS_PREFETCH 1553932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15541e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15551e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1556ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15579cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1558a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 155940a2df49SJames Hogan select HAVE_KVM 15601e5f1caaSRalf Baechle help 15611e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15621e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15631e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15641e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15651e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15661da177e4SLinus Torvalds 15677fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1568674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15697fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15707fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15717fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 1574afd375dcSPaul Burton select CPU_SUPPORTS_HUGEPAGES 15757fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15762e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 157740a2df49SJames Hogan select HAVE_KVM 15787fd08ca5SLeonid Yegoshin help 15797fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15807fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15817fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15827fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15837fd08ca5SLeonid Yegoshin 15841da177e4SLinus Torvaldsconfig CPU_R3000 15851da177e4SLinus Torvalds bool "R3000" 15867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1587f7062ddbSRalf Baechle select CPU_HAS_WB 1588932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 158954746829SPaul Burton select CPU_R3K_TLB 1590ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1591797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15921da177e4SLinus Torvalds help 15931da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15941da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15951da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15961da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15971da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15981da177e4SLinus Torvalds try to recompile with R3000. 15991da177e4SLinus Torvalds 16001da177e4SLinus Torvaldsconfig CPU_TX39XX 16011da177e4SLinus Torvalds bool "R39XX" 16027cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1603ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1604932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 160554746829SPaul Burton select CPU_R3K_TLB 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvaldsconfig CPU_VR41XX 16081da177e4SLinus Torvalds bool "R41xx" 16097cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1610ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1611ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1612932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16131da177e4SLinus Torvalds help 16145e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 16151da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 16161da177e4SLinus Torvalds kernel built with this option will not run on any other type of 16171da177e4SLinus Torvalds processor or vice versa. 16181da177e4SLinus Torvalds 16191da177e4SLinus Torvaldsconfig CPU_R4X00 16201da177e4SLinus Torvalds bool "R4x00" 16217cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1622ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1623ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1624970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1625932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16261da177e4SLinus Torvalds help 16271da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16281da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16291da177e4SLinus Torvalds 16301da177e4SLinus Torvaldsconfig CPU_TX49XX 16311da177e4SLinus Torvalds bool "R49XX" 16327cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1633de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1634932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1635ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1636ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1637970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16381da177e4SLinus Torvalds 16391da177e4SLinus Torvaldsconfig CPU_R5000 16401da177e4SLinus Torvalds bool "R5000" 16417cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1642ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1643ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1644970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1645932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16461da177e4SLinus Torvalds help 16471da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16481da177e4SLinus Torvalds 1649542c1020SShinya Kuribayashiconfig CPU_R5500 1650542c1020SShinya Kuribayashi bool "R5500" 1651542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1652542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1653542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16549cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1655932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1656542c1020SShinya Kuribayashi help 1657542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1658542c1020SShinya Kuribayashi instruction set. 1659542c1020SShinya Kuribayashi 16601da177e4SLinus Torvaldsconfig CPU_NEVADA 16611da177e4SLinus Torvalds bool "RM52xx" 16627cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1663ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1665970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1666932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16671da177e4SLinus Torvalds help 16681da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvaldsconfig CPU_R10000 16711da177e4SLinus Torvalds bool "R10000" 16727cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16735e83d430SRalf Baechle select CPU_HAS_PREFETCH 1674932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1675ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1676ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1677797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1678970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16791da177e4SLinus Torvalds help 16801da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16811da177e4SLinus Torvalds 16821da177e4SLinus Torvaldsconfig CPU_RM7000 16831da177e4SLinus Torvalds bool "RM7000" 16847cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16855e83d430SRalf Baechle select CPU_HAS_PREFETCH 1686932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1687ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1688ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1689797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1690970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16911da177e4SLinus Torvalds 16921da177e4SLinus Torvaldsconfig CPU_SB1 16931da177e4SLinus Torvalds bool "SB1" 16947cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1695932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1696ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1697ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1698797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1699970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17000004a9dfSRalf Baechle select WEAK_ORDERING 17011da177e4SLinus Torvalds 1702a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1703a86c7f72SDavid Daney bool "Cavium Octeon processor" 17045e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1705a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1706932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1707a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1708a86c7f72SDavid Daney select WEAK_ORDERING 1709a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17109cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1711df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1712df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1713930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17140ae3abcdSJames Hogan select HAVE_KVM 1715a86c7f72SDavid Daney help 1716a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1717a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1718a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1719a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1720a86c7f72SDavid Daney 1721cd746249SJonas Gorskiconfig CPU_BMIPS 1722cd746249SJonas Gorski bool "Broadcom BMIPS" 1723cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1724cd746249SJonas Gorski select CPU_MIPS32 1725fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1726cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1727cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1728cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1729cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1730cd746249SJonas Gorski select DMA_NONCOHERENT 173167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1732cd746249SJonas Gorski select SWAP_IO_SPACE 1733cd746249SJonas Gorski select WEAK_ORDERING 1734c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 173569aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1736932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1737a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1738a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1739c1c0c461SKevin Cernekee help 1740fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1741c1c0c461SKevin Cernekee 17427f058e85SJayachandran Cconfig CPU_XLR 17437f058e85SJayachandran C bool "Netlogic XLR SoC" 17447f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1745932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17467f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17477f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17487f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1749970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17507f058e85SJayachandran C select WEAK_ORDERING 17517f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17527f058e85SJayachandran C help 17537f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17541c773ea4SJayachandran C 17551c773ea4SJayachandran Cconfig CPU_XLP 17561c773ea4SJayachandran C bool "Netlogic XLP SoC" 17571c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17581c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17591c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17601c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17611c773ea4SJayachandran C select WEAK_ORDERING 17621c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17631c773ea4SJayachandran C select CPU_HAS_PREFETCH 1764932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1765d6504846SJayachandran C select CPU_MIPSR2 1766ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17672db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17681c773ea4SJayachandran C help 17691c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17701da177e4SLinus Torvaldsendchoice 17711da177e4SLinus Torvalds 1772a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1773a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1774a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17757fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1776a6e18781SLeonid Yegoshin help 1777a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1778a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1779a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1780a6e18781SLeonid Yegoshin 1781a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1782a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1783a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1784a6e18781SLeonid Yegoshin select EVA 1785a6e18781SLeonid Yegoshin default y 1786a6e18781SLeonid Yegoshin help 1787a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1788a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1789a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1790a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1791a6e18781SLeonid Yegoshin 1792c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1793c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1794c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1795c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1796c5b36783SSteven J. Hill help 1797c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1798c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1799c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1800c5b36783SSteven J. Hill 1801c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1802c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1803c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1804c5b36783SSteven J. Hill depends on !EVA 1805c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1806c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1807c5b36783SSteven J. Hill select XPA 1808c5b36783SSteven J. Hill select HIGHMEM 1809d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1810c5b36783SSteven J. Hill default n 1811c5b36783SSteven J. Hill help 1812c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1813c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1814c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1815c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1816c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1817c5b36783SSteven J. Hill If unsure, say 'N' here. 1818c5b36783SSteven J. Hill 1819622844bfSWu Zhangjinif CPU_LOONGSON2F 1820622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1821622844bfSWu Zhangjin bool 1822622844bfSWu Zhangjin 1823622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1824622844bfSWu Zhangjin bool 1825622844bfSWu Zhangjin 1826622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1827622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1828622844bfSWu Zhangjin default y 1829622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1830622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1831622844bfSWu Zhangjin help 1832622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1833622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1834622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1835622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1836622844bfSWu Zhangjin 1837622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1838622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1839622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1840622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1841622844bfSWu Zhangjin systems. 1842622844bfSWu Zhangjin 1843622844bfSWu Zhangjin If unsure, please say Y. 1844622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1845622844bfSWu Zhangjin 18461b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18471b93b3c3SWu Zhangjin bool 18481b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18491b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 185031c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18511b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1852fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18534e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18541b93b3c3SWu Zhangjin 18551b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18561b93b3c3SWu Zhangjin bool 18571b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18581b93b3c3SWu Zhangjin 1859dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1860dbb98314SAlban Bedel bool 1861dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1862dbb98314SAlban Bedel 18633702bba5SWu Zhangjinconfig CPU_LOONGSON2 18643702bba5SWu Zhangjin bool 18653702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18663702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18673702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1868970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1869e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1870932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18713702bba5SWu Zhangjin 1872ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1873ca585cf9SKelvin Cheung bool 1874ca585cf9SKelvin Cheung select CPU_MIPS32 18757e280f6bSJiaxun Yang select CPU_MIPSR2 1876ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1877932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1878ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1879ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1880f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1881ca585cf9SKelvin Cheung 1882fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 188304fa8bf7SJonas Gorski select SMP_UP if SMP 18841bbb6c1bSKevin Cernekee bool 1885cd746249SJonas Gorski 1886cd746249SJonas Gorskiconfig CPU_BMIPS4350 1887cd746249SJonas Gorski bool 1888cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1889cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1890cd746249SJonas Gorski 1891cd746249SJonas Gorskiconfig CPU_BMIPS4380 1892cd746249SJonas Gorski bool 1893bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1894cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1895cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1896b4720809SFlorian Fainelli select CPU_HAS_RIXI 1897cd746249SJonas Gorski 1898cd746249SJonas Gorskiconfig CPU_BMIPS5000 1899cd746249SJonas Gorski bool 1900cd746249SJonas Gorski select MIPS_CPU_SCACHE 1901bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1902cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1903cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1904b4720809SFlorian Fainelli select CPU_HAS_RIXI 19051bbb6c1bSKevin Cernekee 19060e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 19070e476d91SHuacai Chen bool 19080e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1909b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19100e476d91SHuacai Chen 19113702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19122a21c730SFuxin Zhang bool 19132a21c730SFuxin Zhang 19146f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19156f7a251aSWu Zhangjin bool 191655045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 191755045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 191822f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19196f7a251aSWu Zhangjin 1920ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1921ca585cf9SKelvin Cheung bool 1922ca585cf9SKelvin Cheung 192312e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 192412e3280bSYang Ling bool 192512e3280bSYang Ling 19267cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19277cf8053bSRalf Baechle bool 19287cf8053bSRalf Baechle 19297cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19307cf8053bSRalf Baechle bool 19317cf8053bSRalf Baechle 1932a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1933a6e18781SLeonid Yegoshin bool 1934a6e18781SLeonid Yegoshin 1935c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1936c5b36783SSteven J. Hill bool 19379ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 1938c5b36783SSteven J. Hill 19397fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19407fd08ca5SLeonid Yegoshin bool 19419ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19427fd08ca5SLeonid Yegoshin 19437cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19447cf8053bSRalf Baechle bool 19457cf8053bSRalf Baechle 19467cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19477cf8053bSRalf Baechle bool 19487cf8053bSRalf Baechle 19497fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19507fd08ca5SLeonid Yegoshin bool 19519ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19527fd08ca5SLeonid Yegoshin 19537cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19547cf8053bSRalf Baechle bool 19557cf8053bSRalf Baechle 19567cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19577cf8053bSRalf Baechle bool 19587cf8053bSRalf Baechle 19597cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19607cf8053bSRalf Baechle bool 19617cf8053bSRalf Baechle 19627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19637cf8053bSRalf Baechle bool 19647cf8053bSRalf Baechle 19657cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19667cf8053bSRalf Baechle bool 19677cf8053bSRalf Baechle 19687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19697cf8053bSRalf Baechle bool 19707cf8053bSRalf Baechle 1971542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1972542c1020SShinya Kuribayashi bool 1973542c1020SShinya Kuribayashi 19747cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19757cf8053bSRalf Baechle bool 19767cf8053bSRalf Baechle 19777cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19787cf8053bSRalf Baechle bool 19799ae1f262SPaul Burton select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT 19807cf8053bSRalf Baechle 19817cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19827cf8053bSRalf Baechle bool 19837cf8053bSRalf Baechle 19847cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19857cf8053bSRalf Baechle bool 19867cf8053bSRalf Baechle 19875e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19885e683389SDavid Daney bool 19895e683389SDavid Daney 1990cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1991c1c0c461SKevin Cernekee bool 1992c1c0c461SKevin Cernekee 1993fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1994c1c0c461SKevin Cernekee bool 1995cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1996c1c0c461SKevin Cernekee 1997c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1998c1c0c461SKevin Cernekee bool 1999cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2000c1c0c461SKevin Cernekee 2001c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2002c1c0c461SKevin Cernekee bool 2003cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2004c1c0c461SKevin Cernekee 2005c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2006c1c0c461SKevin Cernekee bool 2007cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2008f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2009c1c0c461SKevin Cernekee 20107f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20117f058e85SJayachandran C bool 20127f058e85SJayachandran C 20131c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20141c773ea4SJayachandran C bool 20151c773ea4SJayachandran C 201617099b11SRalf Baechle# 201717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 201817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 201917099b11SRalf Baechle# 20200004a9dfSRalf Baechleconfig WEAK_ORDERING 20210004a9dfSRalf Baechle bool 202217099b11SRalf Baechle 202317099b11SRalf Baechle# 202417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 202517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 202617099b11SRalf Baechle# 202717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 202817099b11SRalf Baechle bool 20295e83d430SRalf Baechleendmenu 20305e83d430SRalf Baechle 20315e83d430SRalf Baechle# 20325e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20335e83d430SRalf Baechle# 20345e83d430SRalf Baechleconfig CPU_MIPS32 20355e83d430SRalf Baechle bool 20367fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20375e83d430SRalf Baechle 20385e83d430SRalf Baechleconfig CPU_MIPS64 20395e83d430SRalf Baechle bool 20407fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20415e83d430SRalf Baechle 20425e83d430SRalf Baechle# 204357eeacedSPaul Burton# These indicate the revision of the architecture 20445e83d430SRalf Baechle# 20455e83d430SRalf Baechleconfig CPU_MIPSR1 20465e83d430SRalf Baechle bool 20475e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20485e83d430SRalf Baechle 20495e83d430SRalf Baechleconfig CPU_MIPSR2 20505e83d430SRalf Baechle bool 2051a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20528256b17eSFlorian Fainelli select CPU_HAS_RIXI 2053a7e07b1aSMarkos Chandras select MIPS_SPRAM 20545e83d430SRalf Baechle 20557fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20567fd08ca5SLeonid Yegoshin bool 20577fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20588256b17eSFlorian Fainelli select CPU_HAS_RIXI 205987321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20602db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20614a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2062a7e07b1aSMarkos Chandras select MIPS_SPRAM 20635e83d430SRalf Baechle 206457eeacedSPaul Burtonconfig TARGET_ISA_REV 206557eeacedSPaul Burton int 206657eeacedSPaul Burton default 1 if CPU_MIPSR1 206757eeacedSPaul Burton default 2 if CPU_MIPSR2 206857eeacedSPaul Burton default 6 if CPU_MIPSR6 206957eeacedSPaul Burton default 0 207057eeacedSPaul Burton help 207157eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 207257eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 207357eeacedSPaul Burton 2074a6e18781SLeonid Yegoshinconfig EVA 2075a6e18781SLeonid Yegoshin bool 2076a6e18781SLeonid Yegoshin 2077c5b36783SSteven J. Hillconfig XPA 2078c5b36783SSteven J. Hill bool 2079c5b36783SSteven J. Hill 20805e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20815e83d430SRalf Baechle bool 20825e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20835e83d430SRalf Baechle bool 20845e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20855e83d430SRalf Baechle bool 20865e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20875e83d430SRalf Baechle bool 208855045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 208955045ff5SWu Zhangjin bool 209055045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 209155045ff5SWu Zhangjin bool 20929cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20939cffd154SDavid Daney bool 2094171543e7SDaniel Silsby depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA)) 209522f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 209622f1fdfdSWu Zhangjin bool 209782622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 209882622284SDavid Daney bool 2099cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21005e83d430SRalf Baechle 21018192c9eaSDavid Daney# 21028192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21038192c9eaSDavid Daney# 21048192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21058192c9eaSDavid Daney bool 2106679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21078192c9eaSDavid Daney 21085e83d430SRalf Baechlemenu "Kernel type" 21095e83d430SRalf Baechle 21105e83d430SRalf Baechlechoice 21115e83d430SRalf Baechle prompt "Kernel code model" 21125e83d430SRalf Baechle help 21135e83d430SRalf Baechle You should only select this option if you have a workload that 21145e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21155e83d430SRalf Baechle large memory. You will only be presented a single option in this 21165e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21175e83d430SRalf Baechle 21185e83d430SRalf Baechleconfig 32BIT 21195e83d430SRalf Baechle bool "32-bit kernel" 21205e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21215e83d430SRalf Baechle select TRAD_SIGNALS 21225e83d430SRalf Baechle help 21235e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2124f17c4ca3SRalf Baechle 21255e83d430SRalf Baechleconfig 64BIT 21265e83d430SRalf Baechle bool "64-bit kernel" 21275e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21285e83d430SRalf Baechle help 21295e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21305e83d430SRalf Baechle 21315e83d430SRalf Baechleendchoice 21325e83d430SRalf Baechle 21332235a54dSSanjay Lalconfig KVM_GUEST 21342235a54dSSanjay Lal bool "KVM Guest Kernel" 2135f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21362235a54dSSanjay Lal help 2137caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2138caa1faa7SJames Hogan mode. 21392235a54dSSanjay Lal 2140eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2141eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21422235a54dSSanjay Lal depends on KVM_GUEST 2143eda3d33cSJames Hogan default 100 21442235a54dSSanjay Lal help 2145eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2146eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2147eda3d33cSJames Hogan timer frequency is specified directly. 21482235a54dSSanjay Lal 21491e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21501e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21511e321fa9SLeonid Yegoshin depends on 64BIT 21521e321fa9SLeonid Yegoshin help 21533377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21543377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21553377e227SAlex Belits For page sizes 16k and above, this option results in a small 21563377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21573377e227SAlex Belits level of page tables is added which imposes both a memory 21583377e227SAlex Belits overhead as well as slower TLB fault handling. 21593377e227SAlex Belits 21601e321fa9SLeonid Yegoshin If unsure, say N. 21611e321fa9SLeonid Yegoshin 21621da177e4SLinus Torvaldschoice 21631da177e4SLinus Torvalds prompt "Kernel page size" 21641da177e4SLinus Torvalds default PAGE_SIZE_4KB 21651da177e4SLinus Torvalds 21661da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21671da177e4SLinus Torvalds bool "4kB" 21680e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21691da177e4SLinus Torvalds help 21701da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21711da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21721da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21731da177e4SLinus Torvalds recommended for low memory systems. 21741da177e4SLinus Torvalds 21751da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21761da177e4SLinus Torvalds bool "8kB" 2177c2aeaaeaSPaul Burton depends on CPU_CAVIUM_OCTEON 21781e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21791da177e4SLinus Torvalds help 21801da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21811da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2182c2aeaaeaSPaul Burton only on cnMIPS processors. Note that you will need a suitable Linux 2183c2aeaaeaSPaul Burton distribution to support this. 21841da177e4SLinus Torvalds 21851da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21861da177e4SLinus Torvalds bool "16kB" 2187714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21881da177e4SLinus Torvalds help 21891da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21901da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2191714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2192714bfad6SRalf Baechle Linux distribution to support this. 21931da177e4SLinus Torvalds 2194c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2195c52399beSRalf Baechle bool "32kB" 2196c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21971e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2198c52399beSRalf Baechle help 2199c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2200c52399beSRalf Baechle the price of higher memory consumption. This option is available 2201c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2202c52399beSRalf Baechle distribution to support this. 2203c52399beSRalf Baechle 22041da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22051da177e4SLinus Torvalds bool "64kB" 22063b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22071da177e4SLinus Torvalds help 22081da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22091da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22101da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2211714bfad6SRalf Baechle writing this option is still high experimental. 22121da177e4SLinus Torvalds 22131da177e4SLinus Torvaldsendchoice 22141da177e4SLinus Torvalds 2215c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2216c9bace7cSDavid Daney int "Maximum zone order" 2217e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2218e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2219e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2220e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2221e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2222e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2223c9bace7cSDavid Daney range 11 64 2224c9bace7cSDavid Daney default "11" 2225c9bace7cSDavid Daney help 2226c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2227c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2228c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2229c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2230c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2231c9bace7cSDavid Daney increase this value. 2232c9bace7cSDavid Daney 2233c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2234c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2235c9bace7cSDavid Daney 2236c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2237c9bace7cSDavid Daney when choosing a value for this option. 2238c9bace7cSDavid Daney 22391da177e4SLinus Torvaldsconfig BOARD_SCACHE 22401da177e4SLinus Torvalds bool 22411da177e4SLinus Torvalds 22421da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22431da177e4SLinus Torvalds bool 22441da177e4SLinus Torvalds select BOARD_SCACHE 22451da177e4SLinus Torvalds 22469318c51aSChris Dearman# 22479318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22489318c51aSChris Dearman# 22499318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22509318c51aSChris Dearman bool 22519318c51aSChris Dearman select BOARD_SCACHE 22529318c51aSChris Dearman 22531da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22541da177e4SLinus Torvalds bool 22551da177e4SLinus Torvalds select BOARD_SCACHE 22561da177e4SLinus Torvalds 22571da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22581da177e4SLinus Torvalds bool 22591da177e4SLinus Torvalds select BOARD_SCACHE 22601da177e4SLinus Torvalds 22611da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22621da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22631da177e4SLinus Torvalds depends on CPU_SB1 22641da177e4SLinus Torvalds help 22651da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22661da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22671da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22681da177e4SLinus Torvalds 22691da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2270c8094b53SRalf Baechle bool 22711da177e4SLinus Torvalds 22723165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22733165c846SFlorian Fainelli bool 2274c2aeaaeaSPaul Burton default y if !(CPU_R3000 || CPU_TX39XX) 22753165c846SFlorian Fainelli 2276c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2277183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2278183b40f9SPaul Burton default y 2279183b40f9SPaul Burton help 2280183b40f9SPaul Burton Select y to include support for floating point in the kernel 2281183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2282183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2283183b40f9SPaul Burton userland program attempting to use floating point instructions will 2284183b40f9SPaul Burton receive a SIGILL. 2285183b40f9SPaul Burton 2286183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2287183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2288183b40f9SPaul Burton 2289183b40f9SPaul Burton If unsure, say y. 2290c92e47e5SPaul Burton 229197f7dcbfSPaul Burtonconfig CPU_R2300_FPU 229297f7dcbfSPaul Burton bool 2293c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229497f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 229597f7dcbfSPaul Burton 229654746829SPaul Burtonconfig CPU_R3K_TLB 229754746829SPaul Burton bool 229854746829SPaul Burton 229991405eb6SFlorian Fainelliconfig CPU_R4K_FPU 230091405eb6SFlorian Fainelli bool 2301c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 230297f7dcbfSPaul Burton default y if !CPU_R2300_FPU 230391405eb6SFlorian Fainelli 230462cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 230562cedc4fSFlorian Fainelli bool 230654746829SPaul Burton default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON) 230762cedc4fSFlorian Fainelli 230859d6ab86SRalf Baechleconfig MIPS_MT_SMP 2309a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23105cbf9688SPaul Burton default y 2311527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 231259d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2313d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2314c080faa5SSteven J. Hill select SYNC_R4K 231559d6ab86SRalf Baechle select MIPS_MT 231659d6ab86SRalf Baechle select SMP 231787353d8aSRalf Baechle select SMP_UP 2318c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2319c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2320399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 232159d6ab86SRalf Baechle help 2322c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2323c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2324c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2325c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2326c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 232759d6ab86SRalf Baechle 2328f41ae0b2SRalf Baechleconfig MIPS_MT 2329f41ae0b2SRalf Baechle bool 2330f41ae0b2SRalf Baechle 23310ab7aefcSRalf Baechleconfig SCHED_SMT 23320ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23330ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23340ab7aefcSRalf Baechle default n 23350ab7aefcSRalf Baechle help 23360ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23370ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23380ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23390ab7aefcSRalf Baechle 23400ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23410ab7aefcSRalf Baechle bool 23420ab7aefcSRalf Baechle 2343f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2344f41ae0b2SRalf Baechle bool 2345f41ae0b2SRalf Baechle 2346f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2347f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2348f088fc84SRalf Baechle default y 2349b633648cSRalf Baechle depends on MIPS_MT_SMP 235007cc0c9eSRalf Baechle 2351b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2352b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23539eaa9a82SPaul Burton depends on CPU_MIPSR6 2354c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2355b0a668fbSLeonid Yegoshin default y 2356b0a668fbSLeonid Yegoshin help 2357b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2358b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 235907edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2360b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2361b0a668fbSLeonid Yegoshin final kernel image. 2362b0a668fbSLeonid Yegoshin 2363f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2364f35764e7SJames Hogan bool 2365f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2366f35764e7SJames Hogan help 2367f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2368f35764e7SJames Hogan physical_memsize. 2369f35764e7SJames Hogan 237007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 237107cc0c9eSRalf Baechle bool "VPE loader support." 2372f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 237307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 237407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 237507cc0c9eSRalf Baechle select MIPS_MT 237607cc0c9eSRalf Baechle help 237707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 237807cc0c9eSRalf Baechle onto another VPE and running it. 2379f088fc84SRalf Baechle 238017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 238117a1d523SDeng-Cheng Zhu bool 238217a1d523SDeng-Cheng Zhu default "y" 238317a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 238417a1d523SDeng-Cheng Zhu 23851a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23861a2a6d7eSDeng-Cheng Zhu bool 23871a2a6d7eSDeng-Cheng Zhu default "y" 23881a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23891a2a6d7eSDeng-Cheng Zhu 2390e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2391e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2392e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2393e01402b1SRalf Baechle default y 2394e01402b1SRalf Baechle help 2395e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2396e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2397e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2398e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2399e01402b1SRalf Baechle 2400e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2401e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2402e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2403e01402b1SRalf Baechle 2404da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2405da615cf6SDeng-Cheng Zhu bool 2406da615cf6SDeng-Cheng Zhu default "y" 2407da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2408da615cf6SDeng-Cheng Zhu 24092c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24102c973ef0SDeng-Cheng Zhu bool 24112c973ef0SDeng-Cheng Zhu default "y" 24122c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24132c973ef0SDeng-Cheng Zhu 24144a16ff4cSRalf Baechleconfig MIPS_CMP 24155cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24165676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2417b10b43baSMarkos Chandras select SMP 2418eb9b5141STim Anderson select SYNC_R4K 2419b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24204a16ff4cSRalf Baechle select WEAK_ORDERING 24214a16ff4cSRalf Baechle default n 24224a16ff4cSRalf Baechle help 2423044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2424044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2425044505c7SPaul Burton its ability to start secondary CPUs. 24264a16ff4cSRalf Baechle 24275cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24285cac93b3SPaul Burton instead of this. 24295cac93b3SPaul Burton 24300ee958e1SPaul Burtonconfig MIPS_CPS 24310ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24325a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24330ee958e1SPaul Burton select MIPS_CM 24341d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24350ee958e1SPaul Burton select SMP 24360ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24371d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2438c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24390ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24400ee958e1SPaul Burton select WEAK_ORDERING 24410ee958e1SPaul Burton help 24420ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24430ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24440ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24450ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24460ee958e1SPaul Burton support is unavailable. 24470ee958e1SPaul Burton 24483179d37eSPaul Burtonconfig MIPS_CPS_PM 244939a59593SMarkos Chandras depends on MIPS_CPS 24503179d37eSPaul Burton bool 24513179d37eSPaul Burton 24529f98f3ddSPaul Burtonconfig MIPS_CM 24539f98f3ddSPaul Burton bool 24543c9b4166SPaul Burton select MIPS_CPC 24559f98f3ddSPaul Burton 24569c38cf44SPaul Burtonconfig MIPS_CPC 24579c38cf44SPaul Burton bool 24582600990eSRalf Baechle 24591da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24601da177e4SLinus Torvalds bool 24611da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24621da177e4SLinus Torvalds default y 24631da177e4SLinus Torvalds 24641da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24651da177e4SLinus Torvalds bool 24661da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24671da177e4SLinus Torvalds default y 24681da177e4SLinus Torvalds 24699e2b5372SMarkos Chandraschoice 24709e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24719e2b5372SMarkos Chandras 24729e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24739e2b5372SMarkos Chandras bool "None" 24749e2b5372SMarkos Chandras help 24759e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24769e2b5372SMarkos Chandras 24779693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24789693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24799e2b5372SMarkos Chandras bool "SmartMIPS" 24809693a853SFranck Bui-Huu help 24819693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24829693a853SFranck Bui-Huu increased security at both hardware and software level for 24839693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24849693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24859693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24869693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24879693a853SFranck Bui-Huu here. 24889693a853SFranck Bui-Huu 2489bce86083SSteven J. Hillconfig CPU_MICROMIPS 24907fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24919e2b5372SMarkos Chandras bool "microMIPS" 2492bce86083SSteven J. Hill help 2493bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2494bce86083SSteven J. Hill microMIPS ISA 2495bce86083SSteven J. Hill 24969e2b5372SMarkos Chandrasendchoice 24979e2b5372SMarkos Chandras 2498a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24990ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2500a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2501c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25022a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2503a5e9a69eSPaul Burton help 2504a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2505a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25061db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25071db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25081db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25091db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25101db1af84SPaul Burton the size & complexity of your kernel. 2511a5e9a69eSPaul Burton 2512a5e9a69eSPaul Burton If unsure, say Y. 2513a5e9a69eSPaul Burton 25141da177e4SLinus Torvaldsconfig CPU_HAS_WB 2515f7062ddbSRalf Baechle bool 2516e01402b1SRalf Baechle 2517df0ac8a4SKevin Cernekeeconfig XKS01 2518df0ac8a4SKevin Cernekee bool 2519df0ac8a4SKevin Cernekee 25208256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25218256b17eSFlorian Fainelli bool 25228256b17eSFlorian Fainelli 2523932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2524932afdeeSYasha Cherikovsky bool 2525932afdeeSYasha Cherikovsky help 2526932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2527932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2528932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2529932afdeeSYasha Cherikovsky 2530f41ae0b2SRalf Baechle# 2531f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2532f41ae0b2SRalf Baechle# 2533e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2534f41ae0b2SRalf Baechle bool 2535e01402b1SRalf Baechle 2536f41ae0b2SRalf Baechle# 2537f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2538f41ae0b2SRalf Baechle# 2539e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2540f41ae0b2SRalf Baechle bool 2541e01402b1SRalf Baechle 25421da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25431da177e4SLinus Torvalds bool 25441da177e4SLinus Torvalds depends on !CPU_R3000 25451da177e4SLinus Torvalds default y 25461da177e4SLinus Torvalds 25471da177e4SLinus Torvalds# 254820d60d99SMaciej W. Rozycki# CPU non-features 254920d60d99SMaciej W. Rozycki# 255020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 255120d60d99SMaciej W. Rozycki bool 255220d60d99SMaciej W. Rozycki 255320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 255420d60d99SMaciej W. Rozycki bool 255520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 255620d60d99SMaciej W. Rozycki 255720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 255820d60d99SMaciej W. Rozycki bool 255920d60d99SMaciej W. Rozycki 2560071d2f0bSPaul Burtonconfig CPU_R4X00_BUGS64 2561071d2f0bSPaul Burton bool 2562071d2f0bSPaul Burton default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1) 2563071d2f0bSPaul Burton 25644edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25654edf00a4SPaul Burton int 25664edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25674edf00a4SPaul Burton default 0 25684edf00a4SPaul Burton 25694edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25704edf00a4SPaul Burton int 25712db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25724edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25734edf00a4SPaul Burton default 8 25744edf00a4SPaul Burton 25752db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25762db003a5SPaul Burton bool 25772db003a5SPaul Burton 25784a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25794a5dc51eSMarcin Nowakowski bool 25804a5dc51eSMarcin Nowakowski 258120d60d99SMaciej W. Rozycki# 25821da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25831da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25841da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25851da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25861da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25871da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25881da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25891da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2590797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2591797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2592797798c1SRalf Baechle# support. 25931da177e4SLinus Torvalds# 25941da177e4SLinus Torvaldsconfig HIGHMEM 25951da177e4SLinus Torvalds bool "High Memory Support" 2596a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2597797798c1SRalf Baechle 2598797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2599797798c1SRalf Baechle bool 2600797798c1SRalf Baechle 2601797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2602797798c1SRalf Baechle bool 26031da177e4SLinus Torvalds 26049693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26059693a853SFranck Bui-Huu bool 26069693a853SFranck Bui-Huu 2607a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2608a6a4834cSSteven J. Hill bool 2609a6a4834cSSteven J. Hill 2610377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2611377cb1b6SRalf Baechle bool 2612377cb1b6SRalf Baechle help 2613377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2614377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2615377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2616377cb1b6SRalf Baechle 2617a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2618a5e9a69eSPaul Burton bool 2619a5e9a69eSPaul Burton 2620b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2621b4819b59SYoichi Yuasa def_bool y 2622f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2623b4819b59SYoichi Yuasa 2624b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2625b1c6cd42SAtsushi Nemoto bool 2626397dc00eSMike Rapoport select SPARSEMEM_STATIC if !SGI_IP27 262731473747SAtsushi Nemoto 2628d8cb4e11SRalf Baechleconfig NUMA 2629d8cb4e11SRalf Baechle bool "NUMA Support" 2630d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2631d8cb4e11SRalf Baechle help 2632d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2633d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2634d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2635d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2636d8cb4e11SRalf Baechle disabled. 2637d8cb4e11SRalf Baechle 2638d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2639d8cb4e11SRalf Baechle bool 2640d8cb4e11SRalf Baechle 26418c530ea3SMatt Redfearnconfig RELOCATABLE 26428c530ea3SMatt Redfearn bool "Relocatable kernel" 26433ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26448c530ea3SMatt Redfearn help 26458c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26468c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26478c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26488c530ea3SMatt Redfearn but are discarded at runtime 26498c530ea3SMatt Redfearn 2650069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2651069fd766SMatt Redfearn hex "Relocation table size" 2652069fd766SMatt Redfearn depends on RELOCATABLE 2653069fd766SMatt Redfearn range 0x0 0x01000000 2654069fd766SMatt Redfearn default "0x00100000" 2655069fd766SMatt Redfearn ---help--- 2656069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2657069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2658069fd766SMatt Redfearn 2659069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2660069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2661069fd766SMatt Redfearn 2662069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2663069fd766SMatt Redfearn 2664069fd766SMatt Redfearn If unsure, leave at the default value. 2665069fd766SMatt Redfearn 2666405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2667405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2668405bc8fdSMatt Redfearn depends on RELOCATABLE 2669405bc8fdSMatt Redfearn ---help--- 2670405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2671405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2672405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2673405bc8fdSMatt Redfearn of kernel internals. 2674405bc8fdSMatt Redfearn 2675405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2676405bc8fdSMatt Redfearn 2677405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2678405bc8fdSMatt Redfearn 2679405bc8fdSMatt Redfearn If unsure, say N. 2680405bc8fdSMatt Redfearn 2681405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2682405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2683405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2684405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2685405bc8fdSMatt Redfearn range 0x0 0x08000000 2686405bc8fdSMatt Redfearn default "0x01000000" 2687405bc8fdSMatt Redfearn ---help--- 2688405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2689405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2690405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2691405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2692405bc8fdSMatt Redfearn 2693405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2694405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2695405bc8fdSMatt Redfearn 2696c80d79d7SYasunori Gotoconfig NODES_SHIFT 2697c80d79d7SYasunori Goto int 2698c80d79d7SYasunori Goto default "6" 2699c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2700c80d79d7SYasunori Goto 270114f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 270214f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 270323021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 270414f70012SDeng-Cheng Zhu default y 270514f70012SDeng-Cheng Zhu help 270614f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 270714f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 270814f70012SDeng-Cheng Zhu 27091da177e4SLinus Torvaldsconfig SMP 27101da177e4SLinus Torvalds bool "Multi-Processing support" 2711e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2712e73ea273SRalf Baechle help 27131da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27144a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27154a474157SRobert Graffham than one CPU, say Y. 27161da177e4SLinus Torvalds 27174a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27181da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27191da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27204a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27211da177e4SLinus Torvalds will run faster if you say N here. 27221da177e4SLinus Torvalds 27231da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27241da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27251da177e4SLinus Torvalds 272603502faaSAdrian Bunk See also the SMP-HOWTO available at 272703502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27281da177e4SLinus Torvalds 27291da177e4SLinus Torvalds If you don't know what to do here, say N. 27301da177e4SLinus Torvalds 27317840d618SMatt Redfearnconfig HOTPLUG_CPU 27327840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27337840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27347840d618SMatt Redfearn help 27357840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27367840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27377840d618SMatt Redfearn (Note: power management support will enable this option 27387840d618SMatt Redfearn automatically on SMP systems. ) 27397840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27407840d618SMatt Redfearn 274187353d8aSRalf Baechleconfig SMP_UP 274287353d8aSRalf Baechle bool 274387353d8aSRalf Baechle 27444a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27454a16ff4cSRalf Baechle bool 27464a16ff4cSRalf Baechle 27470ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27480ee958e1SPaul Burton bool 27490ee958e1SPaul Burton 2750e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2751e73ea273SRalf Baechle bool 2752e73ea273SRalf Baechle 2753130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2754130e2fb7SRalf Baechle bool 2755130e2fb7SRalf Baechle 2756130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2757130e2fb7SRalf Baechle bool 2758130e2fb7SRalf Baechle 2759130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2760130e2fb7SRalf Baechle bool 2761130e2fb7SRalf Baechle 2762130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2763130e2fb7SRalf Baechle bool 2764130e2fb7SRalf Baechle 2765130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2766130e2fb7SRalf Baechle bool 2767130e2fb7SRalf Baechle 27681da177e4SLinus Torvaldsconfig NR_CPUS 2769a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2770a91796a9SJayachandran C range 2 256 27711da177e4SLinus Torvalds depends on SMP 2772130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2773130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2774130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2775130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2776130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27771da177e4SLinus Torvalds help 27781da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27791da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27801da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 278172ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 278272ede9b1SAtsushi Nemoto and 2 for all others. 27831da177e4SLinus Torvalds 27841da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 278572ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 278672ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 278772ede9b1SAtsushi Nemoto power of two. 27881da177e4SLinus Torvalds 2789399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2790399aaa25SAl Cooper bool 2791399aaa25SAl Cooper 27927820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27937820b84bSDavid Daney bool 27947820b84bSDavid Daney 27957820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27967820b84bSDavid Daney int 27977820b84bSDavid Daney depends on SMP 27987820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27997820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28007820b84bSDavid Daney 28011723b4a3SAtsushi Nemoto# 28021723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28031723b4a3SAtsushi Nemoto# 28041723b4a3SAtsushi Nemoto 28051723b4a3SAtsushi Nemotochoice 28061723b4a3SAtsushi Nemoto prompt "Timer frequency" 28071723b4a3SAtsushi Nemoto default HZ_250 28081723b4a3SAtsushi Nemoto help 28091723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28101723b4a3SAtsushi Nemoto 281167596573SPaul Burton config HZ_24 281267596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 281367596573SPaul Burton 28141723b4a3SAtsushi Nemoto config HZ_48 28150f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28161723b4a3SAtsushi Nemoto 28171723b4a3SAtsushi Nemoto config HZ_100 28181723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28191723b4a3SAtsushi Nemoto 28201723b4a3SAtsushi Nemoto config HZ_128 28211723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28221723b4a3SAtsushi Nemoto 28231723b4a3SAtsushi Nemoto config HZ_250 28241723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28251723b4a3SAtsushi Nemoto 28261723b4a3SAtsushi Nemoto config HZ_256 28271723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28281723b4a3SAtsushi Nemoto 28291723b4a3SAtsushi Nemoto config HZ_1000 28301723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28311723b4a3SAtsushi Nemoto 28321723b4a3SAtsushi Nemoto config HZ_1024 28331723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28341723b4a3SAtsushi Nemoto 28351723b4a3SAtsushi Nemotoendchoice 28361723b4a3SAtsushi Nemoto 283767596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 283867596573SPaul Burton bool 283967596573SPaul Burton 28401723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28411723b4a3SAtsushi Nemoto bool 28421723b4a3SAtsushi Nemoto 28431723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28441723b4a3SAtsushi Nemoto bool 28451723b4a3SAtsushi Nemoto 28461723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28471723b4a3SAtsushi Nemoto bool 28481723b4a3SAtsushi Nemoto 28491723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28501723b4a3SAtsushi Nemoto bool 28511723b4a3SAtsushi Nemoto 28521723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28531723b4a3SAtsushi Nemoto bool 28541723b4a3SAtsushi Nemoto 28551723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28561723b4a3SAtsushi Nemoto bool 28571723b4a3SAtsushi Nemoto 28581723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28591723b4a3SAtsushi Nemoto bool 28601723b4a3SAtsushi Nemoto 28611723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28621723b4a3SAtsushi Nemoto bool 286367596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 286467596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 286567596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 286667596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 286767596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 286867596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 286967596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28701723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28711723b4a3SAtsushi Nemoto 28721723b4a3SAtsushi Nemotoconfig HZ 28731723b4a3SAtsushi Nemoto int 287467596573SPaul Burton default 24 if HZ_24 28751723b4a3SAtsushi Nemoto default 48 if HZ_48 28761723b4a3SAtsushi Nemoto default 100 if HZ_100 28771723b4a3SAtsushi Nemoto default 128 if HZ_128 28781723b4a3SAtsushi Nemoto default 250 if HZ_250 28791723b4a3SAtsushi Nemoto default 256 if HZ_256 28801723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28811723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28821723b4a3SAtsushi Nemoto 288396685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 288496685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 288596685b17SDeng-Cheng Zhu 2886ea6e942bSAtsushi Nemotoconfig KEXEC 28877d60717eSKees Cook bool "Kexec system call" 28882965faa5SDave Young select KEXEC_CORE 2889ea6e942bSAtsushi Nemoto help 2890ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2891ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28923dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2893ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2894ea6e942bSAtsushi Nemoto 289501dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2896ea6e942bSAtsushi Nemoto 2897ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2898ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2899bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2900bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2901bf220695SGeert Uytterhoeven made. 2902ea6e942bSAtsushi Nemoto 29037aa1c8f4SRalf Baechleconfig CRASH_DUMP 29047aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29057aa1c8f4SRalf Baechle help 29067aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29077aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29087aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29097aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29107aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29117aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29127aa1c8f4SRalf Baechle PHYSICAL_START. 29137aa1c8f4SRalf Baechle 29147aa1c8f4SRalf Baechleconfig PHYSICAL_START 29157aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29168bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29177aa1c8f4SRalf Baechle depends on CRASH_DUMP 29187aa1c8f4SRalf Baechle help 29197aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29207aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29217aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29227aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29237aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29247aa1c8f4SRalf Baechle 2925ea6e942bSAtsushi Nemotoconfig SECCOMP 2926ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2927293c5bd1SRalf Baechle depends on PROC_FS 2928ea6e942bSAtsushi Nemoto default y 2929ea6e942bSAtsushi Nemoto help 2930ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2931ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2932ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2933ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2934ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2935ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2936ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2937ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2938ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2939ea6e942bSAtsushi Nemoto 2940ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2941ea6e942bSAtsushi Nemoto 2942597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2943b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2944597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2945597ce172SPaul Burton help 2946597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2947597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2948597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2949597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2950597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2951597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2952597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2953597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2954597ce172SPaul Burton saying N here. 2955597ce172SPaul Burton 295606e2e882SPaul Burton Although binutils currently supports use of this flag the details 295706e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 295806e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 295906e2e882SPaul Burton behaviour before the details have been finalised, this option should 296006e2e882SPaul Burton be considered experimental and only enabled by those working upon 296106e2e882SPaul Burton said details. 296206e2e882SPaul Burton 296306e2e882SPaul Burton If unsure, say N. 2964597ce172SPaul Burton 2965f2ffa5abSDezhong Diaoconfig USE_OF 29660b3e06fdSJonas Gorski bool 2967f2ffa5abSDezhong Diao select OF 2968e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2969abd2363fSGrant Likely select IRQ_DOMAIN 2970f2ffa5abSDezhong Diao 29712fe8ea39SDengcheng Zhuconfig UHI_BOOT 29722fe8ea39SDengcheng Zhu bool 29732fe8ea39SDengcheng Zhu 29747fafb068SAndrew Brestickerconfig BUILTIN_DTB 29757fafb068SAndrew Bresticker bool 29767fafb068SAndrew Bresticker 29771da8f179SJonas Gorskichoice 29785b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29791da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29801da8f179SJonas Gorski 29811da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29821da8f179SJonas Gorski bool "None" 29831da8f179SJonas Gorski help 29841da8f179SJonas Gorski Do not enable appended dtb support. 29851da8f179SJonas Gorski 298687db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 298787db537dSAaro Koskinen bool "vmlinux" 298887db537dSAaro Koskinen help 298987db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 299087db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 299187db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 299287db537dSAaro Koskinen objcopy: 299387db537dSAaro Koskinen 299487db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 299587db537dSAaro Koskinen 299687db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 299787db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 299887db537dSAaro Koskinen the documented boot protocol using a device tree. 299987db537dSAaro Koskinen 30001da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3001b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30021da8f179SJonas Gorski help 30031da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3004b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30051da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30061da8f179SJonas Gorski 30071da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30081da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30091da8f179SJonas Gorski the documented boot protocol using a device tree. 30101da8f179SJonas Gorski 30111da8f179SJonas Gorski Beware that there is very little in terms of protection against 30121da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30131da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30141da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30151da8f179SJonas Gorski if you don't intend to always append a DTB. 30161da8f179SJonas Gorskiendchoice 30171da8f179SJonas Gorski 30182024972eSJonas Gorskichoice 30192024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30202bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30213f5f0a44SPaul Burton !MIPS_MALTA && \ 30222bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30232024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30242024972eSJonas Gorski 30252024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30262024972eSJonas Gorski depends on USE_OF 30272024972eSJonas Gorski bool "Dtb kernel arguments if available" 30282024972eSJonas Gorski 30292024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30302024972eSJonas Gorski depends on USE_OF 30312024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30322024972eSJonas Gorski 30332024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30342024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3035ed47e153SRabin Vincent 3036ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3037ed47e153SRabin Vincent depends on CMDLINE_BOOL 3038ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30392024972eSJonas Gorskiendchoice 30402024972eSJonas Gorski 30415e83d430SRalf Baechleendmenu 30425e83d430SRalf Baechle 30431df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30441df0f0ffSAtsushi Nemoto bool 30451df0f0ffSAtsushi Nemoto default y 30461df0f0ffSAtsushi Nemoto 30471df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30481df0f0ffSAtsushi Nemoto bool 30491df0f0ffSAtsushi Nemoto default y 30501df0f0ffSAtsushi Nemoto 3051a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3052a728ab52SKirill A. Shutemov int 30533377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3054a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3055a728ab52SKirill A. Shutemov default 2 3056a728ab52SKirill A. Shutemov 30576c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30586c359eb1SPaul Burton bool 30596c359eb1SPaul Burton 30601da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30611da177e4SLinus Torvalds 3062c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30632eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3064c5611df9SPaul Burton bool 3065c5611df9SPaul Burton 3066c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3067c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3068c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30692eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30701da177e4SLinus Torvalds 30711da177e4SLinus Torvalds# 30721da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30731da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30741da177e4SLinus Torvalds# users to choose the right thing ... 30751da177e4SLinus Torvalds# 30761da177e4SLinus Torvaldsconfig ISA 30771da177e4SLinus Torvalds bool 30781da177e4SLinus Torvalds 30791da177e4SLinus Torvaldsconfig TC 30801da177e4SLinus Torvalds bool "TURBOchannel support" 30811da177e4SLinus Torvalds depends on MACH_DECSTATION 30821da177e4SLinus Torvalds help 308350a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 308450a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 308550a23e6eSJustin P. Mattock at: 308650a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 308750a23e6eSJustin P. Mattock and: 308850a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 308950a23e6eSJustin P. Mattock Linux driver support status is documented at: 309050a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30911da177e4SLinus Torvalds 30921da177e4SLinus Torvaldsconfig MMU 30931da177e4SLinus Torvalds bool 30941da177e4SLinus Torvalds default y 30951da177e4SLinus Torvalds 3096109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3097109c32ffSMatt Redfearn default 12 if 64BIT 3098109c32ffSMatt Redfearn default 8 3099109c32ffSMatt Redfearn 3100109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3101109c32ffSMatt Redfearn default 18 if 64BIT 3102109c32ffSMatt Redfearn default 15 3103109c32ffSMatt Redfearn 3104109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3105109c32ffSMatt Redfearn default 8 3106109c32ffSMatt Redfearn 3107109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3108109c32ffSMatt Redfearn default 15 3109109c32ffSMatt Redfearn 3110d865bea4SRalf Baechleconfig I8253 3111d865bea4SRalf Baechle bool 3112798778b8SRussell King select CLKSRC_I8253 31132d02612fSThomas Gleixner select CLKEVT_I8253 31149726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3115d865bea4SRalf Baechle 3116e05eb3f8SRalf Baechleconfig ZONE_DMA 3117e05eb3f8SRalf Baechle bool 3118e05eb3f8SRalf Baechle 3119cce335aeSRalf Baechleconfig ZONE_DMA32 3120cce335aeSRalf Baechle bool 3121cce335aeSRalf Baechle 31221da177e4SLinus Torvaldsendmenu 31231da177e4SLinus Torvalds 31241da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31251da177e4SLinus Torvalds bool 31261da177e4SLinus Torvalds 31271da177e4SLinus Torvaldsconfig MIPS32_COMPAT 312878aaf956SRalf Baechle bool 31291da177e4SLinus Torvalds 31301da177e4SLinus Torvaldsconfig COMPAT 31311da177e4SLinus Torvalds bool 31321da177e4SLinus Torvalds 313305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 313405e43966SAtsushi Nemoto bool 313505e43966SAtsushi Nemoto 31361da177e4SLinus Torvaldsconfig MIPS32_O32 31371da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 313878aaf956SRalf Baechle depends on 64BIT 313978aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 314078aaf956SRalf Baechle select COMPAT 314178aaf956SRalf Baechle select MIPS32_COMPAT 314278aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31431da177e4SLinus Torvalds help 31441da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31451da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31461da177e4SLinus Torvalds existing binaries are in this format. 31471da177e4SLinus Torvalds 31481da177e4SLinus Torvalds If unsure, say Y. 31491da177e4SLinus Torvalds 31501da177e4SLinus Torvaldsconfig MIPS32_N32 31511da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3152c22eacfeSRalf Baechle depends on 64BIT 31535a9372f7SArnd Bergmann select ARCH_WANT_COMPAT_IPC_PARSE_VERSION 315478aaf956SRalf Baechle select COMPAT 315578aaf956SRalf Baechle select MIPS32_COMPAT 315678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31571da177e4SLinus Torvalds help 31581da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31591da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31601da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31611da177e4SLinus Torvalds cases. 31621da177e4SLinus Torvalds 31631da177e4SLinus Torvalds If unsure, say N. 31641da177e4SLinus Torvalds 31651da177e4SLinus Torvaldsconfig BINFMT_ELF32 31661da177e4SLinus Torvalds bool 31671da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3168f43edca7SRalf Baechle select ELFCORE 31691da177e4SLinus Torvalds 31702116245eSRalf Baechlemenu "Power management options" 3171952fa954SRodolfo Giometti 3172363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3173363c55caSWu Zhangjin def_bool y 31743f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3175363c55caSWu Zhangjin 3176f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3177f4cb5700SJohannes Berg def_bool y 31783f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3179f4cb5700SJohannes Berg 31802116245eSRalf Baechlesource "kernel/power/Kconfig" 3181952fa954SRodolfo Giometti 31821da177e4SLinus Torvaldsendmenu 31831da177e4SLinus Torvalds 31847a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31857a998935SViresh Kumar bool 31867a998935SViresh Kumar 31877a998935SViresh Kumarmenu "CPU Power Management" 3188c095ebafSPaul Burton 3189c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31907a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31917a998935SViresh Kumarendif 31929726b43aSWu Zhangjin 3193c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3194c095ebafSPaul Burton 3195c095ebafSPaul Burtonendmenu 3196c095ebafSPaul Burton 319798cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 319898cdee0eSRalf Baechle 31992235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3200