1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 21da177e4SLinus Torvaldsconfig MIPS 31da177e4SLinus Torvalds bool 41da177e4SLinus Torvalds default y 5ea6a3737SPaul Burton select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT 612597988SMatt Redfearn select ARCH_CLOCKSOURCE_DATA 712597988SMatt Redfearn select ARCH_DISCARD_MEMBLOCK 812597988SMatt Redfearn select ARCH_HAS_ELF_RANDOMIZE 912597988SMatt Redfearn select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 1012597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 111ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1212597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1325da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 140b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 1512597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1612597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1712597988SMatt Redfearn select CLONE_BACKWARDS 1812597988SMatt Redfearn select CPU_PM if CPU_IDLE 19dffbfde7SChristoph Hellwig select DMA_DIRECT_OPS 2012597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2112597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2212597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2312597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 24b962aeb0SPaul Burton select GENERIC_IOMAP 2512597988SMatt Redfearn select GENERIC_IRQ_PROBE 2612597988SMatt Redfearn select GENERIC_IRQ_SHOW 27740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 28740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 29740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 30740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 31740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3212597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3312597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3412597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 3512597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 36906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 3712597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 3888547001SJason Wessel select HAVE_ARCH_KGDB 39109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 40109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 41490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 42c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4312597988SMatt Redfearn select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 44f381bf6dSDavid Daney select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS) 45f381bf6dSDavid Daney select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS) 4612597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 4712597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 4864575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 4912597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5012597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5112597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5212597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5312597988SMatt Redfearn select HAVE_EXIT_THREAD 5412597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5529c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5612597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5712597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 5812597988SMatt Redfearn select HAVE_IDE 59b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6012597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6112597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 62c1bf207dSDavid Daney select HAVE_KPROBES 63c1bf207dSDavid Daney select HAVE_KRETPROBES 649d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 65786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6642a0bb3fSPetr Mladek select HAVE_NMI 6712597988SMatt Redfearn select HAVE_OPROFILE 6812597988SMatt Redfearn select HAVE_PERF_EVENTS 6908bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 709ea141adSPaul Burton select HAVE_RSEQ 71d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7212597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 73a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 7412597988SMatt Redfearn select IRQ_FORCED_THREADING 7512597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 7612597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 7712597988SMatt Redfearn select PERF_USE_VMALLOC 7805a0a344SArnd Bergmann select RTC_LIB 7912597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8012597988SMatt Redfearn select VIRT_TO_BUS 811da177e4SLinus Torvalds 821da177e4SLinus Torvaldsmenu "Machine selection" 831da177e4SLinus Torvalds 845e83d430SRalf Baechlechoice 855e83d430SRalf Baechle prompt "System type" 86d41e6858SMatt Redfearn default MIPS_GENERIC 871da177e4SLinus Torvalds 88eed0eabdSPaul Burtonconfig MIPS_GENERIC 89eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 90eed0eabdSPaul Burton select BOOT_RAW 91eed0eabdSPaul Burton select BUILTIN_DTB 92eed0eabdSPaul Burton select CEVT_R4K 93eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 94eed0eabdSPaul Burton select COMMON_CLK 95eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 96eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 97eed0eabdSPaul Burton select CSRC_R4K 98eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 99eed0eabdSPaul Burton select HW_HAS_PCI 100eed0eabdSPaul Burton select IRQ_MIPS_CPU 101eed0eabdSPaul Burton select LIBFDT 1020211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 103eed0eabdSPaul Burton select MIPS_CPU_SCACHE 104eed0eabdSPaul Burton select MIPS_GIC 105eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 106eed0eabdSPaul Burton select NO_EXCEPT_FILL 107eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 108eed0eabdSPaul Burton select PINCTRL 109eed0eabdSPaul Burton select SMP_UP if SMP 110a3078e59SMatt Redfearn select SWAP_IO_SPACE 111eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 112eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 113eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 114eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 115eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 116eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 117eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 118eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 119eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 120eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 121eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 122eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 123eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 124eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 125eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 126eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 127eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1282e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1292e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1302e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1312e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1322e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1332e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 134eed0eabdSPaul Burton select USE_OF 1352fe8ea39SDengcheng Zhu select UHI_BOOT 136eed0eabdSPaul Burton help 137eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 138eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 139eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 140eed0eabdSPaul Burton Interface) specification. 141eed0eabdSPaul Burton 14242a4f17dSManuel Laussconfig MIPS_ALCHEMY 143c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 144d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 145f772cdb2SRalf Baechle select CEVT_R4K 146d7ea335cSSteven J. Hill select CSRC_R4K 14767e38cf2SRalf Baechle select IRQ_MIPS_CPU 14888e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 14942a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15042a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 15142a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 152d30a2b47SLinus Walleij select GPIOLIB 1531b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15447440229SManuel Lauss select COMMON_CLK 1551da177e4SLinus Torvalds 1567ca5dc14SFlorian Fainelliconfig AR7 1577ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1587ca5dc14SFlorian Fainelli select BOOT_ELF32 1597ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1607ca5dc14SFlorian Fainelli select CEVT_R4K 1617ca5dc14SFlorian Fainelli select CSRC_R4K 16267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1637ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1647ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1657ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1667ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1677ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1687ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 169377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1701b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 171d30a2b47SLinus Walleij select GPIOLIB 1727ca5dc14SFlorian Fainelli select VLYNQ 1738551fb64SYoichi Yuasa select HAVE_CLK 1747ca5dc14SFlorian Fainelli help 1757ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1767ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1777ca5dc14SFlorian Fainelli 17843cc739fSSergey Ryazanovconfig ATH25 17943cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18043cc739fSSergey Ryazanov select CEVT_R4K 18143cc739fSSergey Ryazanov select CSRC_R4K 18243cc739fSSergey Ryazanov select DMA_NONCOHERENT 18367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1841753e74eSSergey Ryazanov select IRQ_DOMAIN 18543cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 18643cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 18743cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1888aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 18943cc739fSSergey Ryazanov help 19043cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 19143cc739fSSergey Ryazanov 192d4a67d9dSGabor Juhosconfig ATH79 193d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 194ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 195d4a67d9dSGabor Juhos select BOOT_RAW 196d4a67d9dSGabor Juhos select CEVT_R4K 197d4a67d9dSGabor Juhos select CSRC_R4K 198d4a67d9dSGabor Juhos select DMA_NONCOHERENT 199d30a2b47SLinus Walleij select GPIOLIB 200a08227a2SJohn Crispin select PINCTRL 20194638067SGabor Juhos select HAVE_CLK 202411520afSAlban Bedel select COMMON_CLK 2032c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 20467e38cf2SRalf Baechle select IRQ_MIPS_CPU 2050aabf1a4SGabor Juhos select MIPS_MACHINE 206d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 207d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 208d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 209d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 210377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 211b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 21203c8c407SAlban Bedel select USE_OF 21353d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 214d4a67d9dSGabor Juhos help 215d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 216d4a67d9dSGabor Juhos 2175f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2185f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 219d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 220d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 221d666cd02SKevin Cernekee select BOOT_RAW 222d666cd02SKevin Cernekee select NO_EXCEPT_FILL 223d666cd02SKevin Cernekee select USE_OF 224d666cd02SKevin Cernekee select CEVT_R4K 225d666cd02SKevin Cernekee select CSRC_R4K 226d666cd02SKevin Cernekee select SYNC_R4K 227d666cd02SKevin Cernekee select COMMON_CLK 228c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 22960b858f2SKevin Cernekee select BCM7038_L1_IRQ 23060b858f2SKevin Cernekee select BCM7120_L2_IRQ 23160b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 23267e38cf2SRalf Baechle select IRQ_MIPS_CPU 23360b858f2SKevin Cernekee select DMA_NONCOHERENT 234d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 23560b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 236d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 237d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 23860b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 23960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 241d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 242d666cd02SKevin Cernekee select SWAP_IO_SPACE 24360b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 24560b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2474dc4704cSJustin Chen select HARDIRQS_SW_RESEND 248d666cd02SKevin Cernekee help 2495f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2505f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2515f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2525f2d4459SKevin Cernekee must be set appropriately for your board. 253d666cd02SKevin Cernekee 2541c0c13ebSAurelien Jarnoconfig BCM47XX 255c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 256fe08f8c2SHauke Mehrtens select BOOT_RAW 25742f77542SRalf Baechle select CEVT_R4K 258940f6b48SRalf Baechle select CSRC_R4K 2591c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2601c0c13ebSAurelien Jarno select HW_HAS_PCI 26167e38cf2SRalf Baechle select IRQ_MIPS_CPU 262314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 263dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2641c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2651c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 266377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2676507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 26825e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 269e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 270c949c0bcSRafał Miłecki select GPIOLIB 271c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 272f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2732ab71a02SRafał Miłecki select BCM47XX_SPROM 274dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2751c0c13ebSAurelien Jarno help 2761c0c13ebSAurelien Jarno Support for BCM47XX based boards 2771c0c13ebSAurelien Jarno 278e7300d04SMaxime Bizonconfig BCM63XX 279e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 280ae8de61cSFlorian Fainelli select BOOT_RAW 281e7300d04SMaxime Bizon select CEVT_R4K 282e7300d04SMaxime Bizon select CSRC_R4K 283fc264022SJonas Gorski select SYNC_R4K 284e7300d04SMaxime Bizon select DMA_NONCOHERENT 28567e38cf2SRalf Baechle select IRQ_MIPS_CPU 286e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 287e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 288e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 289e7300d04SMaxime Bizon select SWAP_IO_SPACE 290d30a2b47SLinus Walleij select GPIOLIB 2913e82eeebSYoichi Yuasa select HAVE_CLK 292af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 293c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 294e7300d04SMaxime Bizon help 295e7300d04SMaxime Bizon Support for BCM63XX based boards 296e7300d04SMaxime Bizon 2971da177e4SLinus Torvaldsconfig MIPS_COBALT 2983fa986faSMartin Michlmayr bool "Cobalt Server" 29942f77542SRalf Baechle select CEVT_R4K 300940f6b48SRalf Baechle select CSRC_R4K 3011097c6acSYoichi Yuasa select CEVT_GT641XX 3021da177e4SLinus Torvalds select DMA_NONCOHERENT 3031da177e4SLinus Torvalds select HW_HAS_PCI 304d865bea4SRalf Baechle select I8253 3051da177e4SLinus Torvalds select I8259 30667e38cf2SRalf Baechle select IRQ_MIPS_CPU 307d5ab1a69SYoichi Yuasa select IRQ_GT641XX 308252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 309e25bfc92SYoichi Yuasa select PCI 3107cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3110a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 312ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3130e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3145e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 315e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3161da177e4SLinus Torvalds 3171da177e4SLinus Torvaldsconfig MACH_DECSTATION 3183fa986faSMartin Michlmayr bool "DECstations" 3191da177e4SLinus Torvalds select BOOT_ELF32 3206457d9fcSYoichi Yuasa select CEVT_DS1287 32181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3224247417dSYoichi Yuasa select CSRC_IOASIC 32381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 32420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 32520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 32620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3271da177e4SLinus Torvalds select DMA_NONCOHERENT 328ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 32967e38cf2SRalf Baechle select IRQ_MIPS_CPU 3307cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3317cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 332ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3337d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3351723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3361723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3371723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 338930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3395e83d430SRalf Baechle help 3401da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3411da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3421da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3431da177e4SLinus Torvalds 3441da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3451da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3461da177e4SLinus Torvalds 3471da177e4SLinus Torvalds DECstation 5000/50 3481da177e4SLinus Torvalds DECstation 5000/150 3491da177e4SLinus Torvalds DECstation 5000/260 3501da177e4SLinus Torvalds DECsystem 5900/260 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvalds otherwise choose R3000. 3531da177e4SLinus Torvalds 3545e83d430SRalf Baechleconfig MACH_JAZZ 3553fa986faSMartin Michlmayr bool "Jazz family of machines" 356a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3577a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3580e2794b0SRalf Baechle select FW_ARC 3590e2794b0SRalf Baechle select FW_ARC32 3605e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 36142f77542SRalf Baechle select CEVT_R4K 362940f6b48SRalf Baechle select CSRC_R4K 363e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3645e83d430SRalf Baechle select GENERIC_ISA_DMA 3658a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 36667e38cf2SRalf Baechle select IRQ_MIPS_CPU 367d865bea4SRalf Baechle select I8253 3685e83d430SRalf Baechle select I8259 3695e83d430SRalf Baechle select ISA 3707cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3715e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3727d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3731723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3741da177e4SLinus Torvalds help 3755e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3765e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 377692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3785e83d430SRalf Baechle Olivetti M700-10 workstations. 3795e83d430SRalf Baechle 380de361e8bSPaul Burtonconfig MACH_INGENIC 381de361e8bSPaul Burton bool "Ingenic SoC based machines" 3825ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3835ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 384f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3855ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 38667e38cf2SRalf Baechle select IRQ_MIPS_CPU 38737b4c3caSPaul Cercueil select PINCTRL 388d30a2b47SLinus Walleij select GPIOLIB 389ff1930c6SPaul Burton select COMMON_CLK 39083bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 391ffb1843dSPaul Burton select BUILTIN_DTB 392ffb1843dSPaul Burton select USE_OF 3936ec127fbSPaul Burton select LIBFDT 3945ebabe59SLars-Peter Clausen 395171bb2f1SJohn Crispinconfig LANTIQ 396171bb2f1SJohn Crispin bool "Lantiq based platforms" 397171bb2f1SJohn Crispin select DMA_NONCOHERENT 39867e38cf2SRalf Baechle select IRQ_MIPS_CPU 399171bb2f1SJohn Crispin select CEVT_R4K 400171bb2f1SJohn Crispin select CSRC_R4K 401171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 402171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 403171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 404171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 405377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 406171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 407f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 408171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 409d30a2b47SLinus Walleij select GPIOLIB 410171bb2f1SJohn Crispin select SWAP_IO_SPACE 411171bb2f1SJohn Crispin select BOOT_RAW 412287e3f3fSJohn Crispin select CLKDEV_LOOKUP 413a0392222SJohn Crispin select USE_OF 4143f8c50c9SJohn Crispin select PINCTRL 4153f8c50c9SJohn Crispin select PINCTRL_LANTIQ 416c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 417c530781cSJohn Crispin select RESET_CONTROLLER 418171bb2f1SJohn Crispin 4191f21d2bdSBrian Murphyconfig LASAT 4201f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42142f77542SRalf Baechle select CEVT_R4K 42216f0bbbcSRalf Baechle select CRC32 423940f6b48SRalf Baechle select CSRC_R4K 4241f21d2bdSBrian Murphy select DMA_NONCOHERENT 4251f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 4261f21d2bdSBrian Murphy select HW_HAS_PCI 42767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4281f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4291f21d2bdSBrian Murphy select MIPS_NILE4 4301f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4311f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4321f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4331f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4341f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4351f21d2bdSBrian Murphy 43630ad29bbSHuacai Chenconfig MACH_LOONGSON32 43730ad29bbSHuacai Chen bool "Loongson-1 family of machines" 438c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 439ade299d8SYoichi Yuasa help 44030ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44185749d24SWu Zhangjin 44230ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 44330ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44430ad29bbSHuacai Chen Sciences (CAS). 445ade299d8SYoichi Yuasa 44630ad29bbSHuacai Chenconfig MACH_LOONGSON64 44730ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 448ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 449ca585cf9SKelvin Cheung help 45030ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 451ca585cf9SKelvin Cheung 45230ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 45330ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 45430ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 45530ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 45630ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 45730ad29bbSHuacai Chen Weiwu Hu. 458ca585cf9SKelvin Cheung 4596a438309SAndrew Brestickerconfig MACH_PISTACHIO 4606a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4616a438309SAndrew Bresticker select BOOT_ELF32 4626a438309SAndrew Bresticker select BOOT_RAW 4636a438309SAndrew Bresticker select CEVT_R4K 4646a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4656a438309SAndrew Bresticker select COMMON_CLK 4666a438309SAndrew Bresticker select CSRC_R4K 467645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 468d30a2b47SLinus Walleij select GPIOLIB 46967e38cf2SRalf Baechle select IRQ_MIPS_CPU 4706a438309SAndrew Bresticker select LIBFDT 4716a438309SAndrew Bresticker select MFD_SYSCON 4726a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4736a438309SAndrew Bresticker select MIPS_GIC 4746a438309SAndrew Bresticker select PINCTRL 4756a438309SAndrew Bresticker select REGULATOR 4766a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4776a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4786a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4796a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4806a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48141cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4826a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 483018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 484018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4856a438309SAndrew Bresticker select USE_OF 4866a438309SAndrew Bresticker help 4876a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4886a438309SAndrew Bresticker 4891da177e4SLinus Torvaldsconfig MIPS_MALTA 4903fa986faSMartin Michlmayr bool "MIPS Malta board" 49161ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 492a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4937a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4941da177e4SLinus Torvalds select BOOT_ELF32 495fa71c960SRalf Baechle select BOOT_RAW 496e8823d26SPaul Burton select BUILTIN_DTB 49742f77542SRalf Baechle select CEVT_R4K 498940f6b48SRalf Baechle select CSRC_R4K 499fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50042b002abSGuenter Roeck select COMMON_CLK 501885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5021da177e4SLinus Torvalds select GENERIC_ISA_DMA 5038a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 50467e38cf2SRalf Baechle select IRQ_MIPS_CPU 5058a19b8f1SAndrew Bresticker select MIPS_GIC 5061da177e4SLinus Torvalds select HW_HAS_PCI 507d865bea4SRalf Baechle select I8253 5081da177e4SLinus Torvalds select I8259 5095e83d430SRalf Baechle select MIPS_BONITO64 5109318c51aSChris Dearman select MIPS_CPU_SCACHE 511a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 512252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 5135e83d430SRalf Baechle select MIPS_MSC 514ecafe3e9SPaul Burton select SMP_UP if SMP 5151da177e4SLinus Torvalds select SWAP_IO_SPACE 5167cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5177cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 518bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 519c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 520575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5217cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5225d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 523575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5247cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5257cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 526ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 527ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5285e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 529c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5305e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 531424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 5320365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 533e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 534377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 535f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 5369693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 537f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5381b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 5398c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 540e8823d26SPaul Burton select USE_OF 54138ec82feSPaul Burton select LIBFDT 542abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 543e81a8c7dSPaul Burton select BUILTIN_DTB 544e81a8c7dSPaul Burton select LIBFDT 5451da177e4SLinus Torvalds help 546f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5471da177e4SLinus Torvalds board. 5481da177e4SLinus Torvalds 5492572f00dSJoshua Hendersonconfig MACH_PIC32 5502572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5512572f00dSJoshua Henderson help 5522572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5532572f00dSJoshua Henderson 5542572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5552572f00dSJoshua Henderson microcontrollers. 5562572f00dSJoshua Henderson 557a83860c2SRalf Baechleconfig NEC_MARKEINS 558a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 559a83860c2SRalf Baechle select SOC_EMMA2RH 560a83860c2SRalf Baechle select HW_HAS_PCI 561a83860c2SRalf Baechle help 562a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 563ade299d8SYoichi Yuasa 5645e83d430SRalf Baechleconfig MACH_VR41XX 56574142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 56642f77542SRalf Baechle select CEVT_R4K 567940f6b48SRalf Baechle select CSRC_R4K 5687cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 569377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 570d30a2b47SLinus Walleij select GPIOLIB 5715e83d430SRalf Baechle 572edb6310aSDaniel Lairdconfig NXP_STB220 573edb6310aSDaniel Laird bool "NXP STB220 board" 574edb6310aSDaniel Laird select SOC_PNX833X 575edb6310aSDaniel Laird help 576edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 577edb6310aSDaniel Laird 578edb6310aSDaniel Lairdconfig NXP_STB225 579edb6310aSDaniel Laird bool "NXP 225 board" 580edb6310aSDaniel Laird select SOC_PNX833X 581edb6310aSDaniel Laird select SOC_PNX8335 582edb6310aSDaniel Laird help 583edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 584edb6310aSDaniel Laird 5859267a30dSMarc St-Jeanconfig PMC_MSP 5869267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 58739d30c13SAnoop P A select CEVT_R4K 58839d30c13SAnoop P A select CSRC_R4K 5899267a30dSMarc St-Jean select DMA_NONCOHERENT 5909267a30dSMarc St-Jean select SWAP_IO_SPACE 5919267a30dSMarc St-Jean select NO_EXCEPT_FILL 5929267a30dSMarc St-Jean select BOOT_RAW 5939267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5949267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5959267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5969267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 597377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 59867e38cf2SRalf Baechle select IRQ_MIPS_CPU 5999267a30dSMarc St-Jean select SERIAL_8250 6009267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 6019296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 6029296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 6039267a30dSMarc St-Jean help 6049267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 6059267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 6069267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 6079267a30dSMarc St-Jean a variety of MIPS cores. 6089267a30dSMarc St-Jean 609ae2b5bb6SJohn Crispinconfig RALINK 610ae2b5bb6SJohn Crispin bool "Ralink based machines" 611ae2b5bb6SJohn Crispin select CEVT_R4K 612ae2b5bb6SJohn Crispin select CSRC_R4K 613ae2b5bb6SJohn Crispin select BOOT_RAW 614ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 61567e38cf2SRalf Baechle select IRQ_MIPS_CPU 616ae2b5bb6SJohn Crispin select USE_OF 617ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 618ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 619ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 620ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 621377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 622ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 623ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6242a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6252a153f1cSJohn Crispin select RESET_CONTROLLER 626ae2b5bb6SJohn Crispin 6271da177e4SLinus Torvaldsconfig SGI_IP22 6283fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6290e2794b0SRalf Baechle select FW_ARC 6300e2794b0SRalf Baechle select FW_ARC32 6317a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 6321da177e4SLinus Torvalds select BOOT_ELF32 63342f77542SRalf Baechle select CEVT_R4K 634940f6b48SRalf Baechle select CSRC_R4K 635e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6361da177e4SLinus Torvalds select DMA_NONCOHERENT 6375e83d430SRalf Baechle select HW_HAS_EISA 638d865bea4SRalf Baechle select I8253 63968de4803SThomas Bogendoerfer select I8259 6401da177e4SLinus Torvalds select IP22_CPU_SCACHE 64167e38cf2SRalf Baechle select IRQ_MIPS_CPU 642aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 643e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 644e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 64536e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 646e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 647e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 648e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6491da177e4SLinus Torvalds select SWAP_IO_SPACE 6507cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6517cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6522b5e63f6SMartin Michlmayr # 6532b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6542b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6552b5e63f6SMartin Michlmayr # 6562b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6572b5e63f6SMartin Michlmayr # for a more details discussion 6582b5e63f6SMartin Michlmayr # 6592b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 660ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 661ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6625e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 663930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6641da177e4SLinus Torvalds help 6651da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6661da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6671da177e4SLinus Torvalds that runs on these, say Y here. 6681da177e4SLinus Torvalds 6691da177e4SLinus Torvaldsconfig SGI_IP27 6703fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 67154aed4ddSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 6720e2794b0SRalf Baechle select FW_ARC 6730e2794b0SRalf Baechle select FW_ARC64 6745e83d430SRalf Baechle select BOOT_ELF64 675e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 67636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6771da177e4SLinus Torvalds select HW_HAS_PCI 678130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6797cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 680ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6815e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 682d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6831a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 684930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6851da177e4SLinus Torvalds help 6861da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6871da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6881da177e4SLinus Torvalds here. 6891da177e4SLinus Torvalds 690e2defae5SThomas Bogendoerferconfig SGI_IP28 6917d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6920e2794b0SRalf Baechle select FW_ARC 6930e2794b0SRalf Baechle select FW_ARC64 6947a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 695e2defae5SThomas Bogendoerfer select BOOT_ELF64 696e2defae5SThomas Bogendoerfer select CEVT_R4K 697e2defae5SThomas Bogendoerfer select CSRC_R4K 698e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 699e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 700e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 70167e38cf2SRalf Baechle select IRQ_MIPS_CPU 702e2defae5SThomas Bogendoerfer select HW_HAS_EISA 703e2defae5SThomas Bogendoerfer select I8253 704e2defae5SThomas Bogendoerfer select I8259 705e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 706e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 7075b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 708e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 709e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 710e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 711e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 712e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7132b5e63f6SMartin Michlmayr # 7142b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7152b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7162b5e63f6SMartin Michlmayr # 7172b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7182b5e63f6SMartin Michlmayr # for a more details discussion 7192b5e63f6SMartin Michlmayr # 7202b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 721e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 722e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 723dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 724e2defae5SThomas Bogendoerfer help 725e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 726e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 727e2defae5SThomas Bogendoerfer 7281da177e4SLinus Torvaldsconfig SGI_IP32 729cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 73003df8229SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 7310e2794b0SRalf Baechle select FW_ARC 7320e2794b0SRalf Baechle select FW_ARC32 7331da177e4SLinus Torvalds select BOOT_ELF32 73442f77542SRalf Baechle select CEVT_R4K 735940f6b48SRalf Baechle select CSRC_R4K 7361da177e4SLinus Torvalds select DMA_NONCOHERENT 7371da177e4SLinus Torvalds select HW_HAS_PCI 73867e38cf2SRalf Baechle select IRQ_MIPS_CPU 7391da177e4SLinus Torvalds select R5000_CPU_SCACHE 7401da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7417cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7427cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7437cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 744dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 745ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7465e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7471da177e4SLinus Torvalds help 7481da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7491da177e4SLinus Torvalds 750ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 751ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7525e83d430SRalf Baechle select BOOT_ELF32 7535e83d430SRalf Baechle select SIBYTE_BCM1120 7545e83d430SRalf Baechle select SWAP_IO_SPACE 7557cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7565e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7575e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7585e83d430SRalf Baechle 759ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 760ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7615e83d430SRalf Baechle select BOOT_ELF32 7625e83d430SRalf Baechle select SIBYTE_BCM1120 7635e83d430SRalf Baechle select SWAP_IO_SPACE 7647cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7655e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7665e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7675e83d430SRalf Baechle 7685e83d430SRalf Baechleconfig SIBYTE_CRHONE 7693fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7705e83d430SRalf Baechle select BOOT_ELF32 7715e83d430SRalf Baechle select SIBYTE_BCM1125 7725e83d430SRalf Baechle select SWAP_IO_SPACE 7737cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7745e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7755e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7765e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7775e83d430SRalf Baechle 778ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 779ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 780ade299d8SYoichi Yuasa select BOOT_ELF32 781ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 782ade299d8SYoichi Yuasa select SWAP_IO_SPACE 783ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 784ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 785ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 786ade299d8SYoichi Yuasa 787ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 788ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 789ade299d8SYoichi Yuasa select BOOT_ELF32 790fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 791ade299d8SYoichi Yuasa select SIBYTE_SB1250 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_HIGHMEM 796ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 797cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 798ade299d8SYoichi Yuasa 799ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 800ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 801ade299d8SYoichi Yuasa select BOOT_ELF32 802fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 803ade299d8SYoichi Yuasa select SIBYTE_SB1250 804ade299d8SYoichi Yuasa select SWAP_IO_SPACE 805ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 806ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 808ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 809ade299d8SYoichi Yuasa 810ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 811ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 812ade299d8SYoichi Yuasa select BOOT_ELF32 813ade299d8SYoichi Yuasa select SIBYTE_SB1250 814ade299d8SYoichi Yuasa select SWAP_IO_SPACE 815ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 816ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 817ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 818ade299d8SYoichi Yuasa 819ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 820ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 821ade299d8SYoichi Yuasa select BOOT_ELF32 822ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 823ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 824ade299d8SYoichi Yuasa select SWAP_IO_SPACE 825ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 826ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 827651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 828ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 829cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 830ade299d8SYoichi Yuasa 83114b36af4SThomas Bogendoerferconfig SNI_RM 83214b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8330e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8340e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 835aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8365e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 837a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8387a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8395e83d430SRalf Baechle select BOOT_ELF32 84042f77542SRalf Baechle select CEVT_R4K 841940f6b48SRalf Baechle select CSRC_R4K 842e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8435e83d430SRalf Baechle select DMA_NONCOHERENT 8445e83d430SRalf Baechle select GENERIC_ISA_DMA 8458a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8465e83d430SRalf Baechle select HW_HAS_EISA 8475e83d430SRalf Baechle select HW_HAS_PCI 84867e38cf2SRalf Baechle select IRQ_MIPS_CPU 849d865bea4SRalf Baechle select I8253 8505e83d430SRalf Baechle select I8259 8515e83d430SRalf Baechle select ISA 8524a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8537cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8544a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 855c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8564a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 85736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 858ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8597d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8604a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8615e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8625e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8631da177e4SLinus Torvalds help 86414b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86514b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8665e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8675e83d430SRalf Baechle support this machine type. 8681da177e4SLinus Torvalds 869edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 870edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8715e83d430SRalf Baechle 872edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 873edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87423fbee9dSRalf Baechle 87573b4390fSRalf Baechleconfig MIKROTIK_RB532 87673b4390fSRalf Baechle bool "Mikrotik RB532 boards" 87773b4390fSRalf Baechle select CEVT_R4K 87873b4390fSRalf Baechle select CSRC_R4K 87973b4390fSRalf Baechle select DMA_NONCOHERENT 88073b4390fSRalf Baechle select HW_HAS_PCI 88167e38cf2SRalf Baechle select IRQ_MIPS_CPU 88273b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 88373b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88473b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88573b4390fSRalf Baechle select SWAP_IO_SPACE 88673b4390fSRalf Baechle select BOOT_RAW 887d30a2b47SLinus Walleij select GPIOLIB 888930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 88973b4390fSRalf Baechle help 89073b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 89173b4390fSRalf Baechle based on the IDT RC32434 SoC. 89273b4390fSRalf Baechle 8939ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8949ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 895a86c7f72SDavid Daney select CEVT_R4K 896ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 897491ec155SAlexander Sverdlin select HAS_RAPIDIO 898d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 899a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 900a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 901f65aad41SRalf Baechle select EDAC_SUPPORT 902b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 90373569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90473569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 905a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9065e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 907e8635b48SDavid Daney select HW_HAS_PCI 908f00e001eSDavid Daney select ZONE_DMA32 909465aaed0SDavid Daney select HOLES_IN_ZONE 910d30a2b47SLinus Walleij select GPIOLIB 9116e511163SDavid Daney select LIBFDT 9126e511163SDavid Daney select USE_OF 9136e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9146e511163SDavid Daney select SYS_SUPPORTS_SMP 9157820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9167820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 917e326479fSAndrew Bresticker select BUILTIN_DTB 9188c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 91909230cbcSChristoph Hellwig select SWIOTLB 9203ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 921a86c7f72SDavid Daney help 922a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 923a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 924a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 925a86c7f72SDavid Daney Some of the supported boards are: 926a86c7f72SDavid Daney EBT3000 927a86c7f72SDavid Daney EBH3000 928a86c7f72SDavid Daney EBH3100 929a86c7f72SDavid Daney Thunder 930a86c7f72SDavid Daney Kodama 931a86c7f72SDavid Daney Hikari 932a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 933a86c7f72SDavid Daney 9347f058e85SJayachandran Cconfig NLM_XLR_BOARD 9357f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9367f058e85SJayachandran C select BOOT_ELF32 9377f058e85SJayachandran C select NLM_COMMON 9387f058e85SJayachandran C select SYS_HAS_CPU_XLR 9397f058e85SJayachandran C select SYS_SUPPORTS_SMP 9407f058e85SJayachandran C select HW_HAS_PCI 9417f058e85SJayachandran C select SWAP_IO_SPACE 9427f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9437f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 944d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9457f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9467f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9477f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9487f058e85SJayachandran C select CEVT_R4K 9497f058e85SJayachandran C select CSRC_R4K 95067e38cf2SRalf Baechle select IRQ_MIPS_CPU 951b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9527f058e85SJayachandran C select SYNC_R4K 9537f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9548f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9558f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9567f058e85SJayachandran C help 9577f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9587f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9597f058e85SJayachandran C 9601c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9611c773ea4SJayachandran C bool "Netlogic XLP based systems" 9621c773ea4SJayachandran C select BOOT_ELF32 9631c773ea4SJayachandran C select NLM_COMMON 9641c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9651c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9661c773ea4SJayachandran C select HW_HAS_PCI 9671c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9681c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 969d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 970d30a2b47SLinus Walleij select GPIOLIB 9711c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9721c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9731c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9741c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9751c773ea4SJayachandran C select CEVT_R4K 9761c773ea4SJayachandran C select CSRC_R4K 97767e38cf2SRalf Baechle select IRQ_MIPS_CPU 978b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9791c773ea4SJayachandran C select SYNC_R4K 9801c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9812f6528e1SJayachandran C select USE_OF 9828f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9838f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9841c773ea4SJayachandran C help 9851c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9861c773ea4SJayachandran C Say Y here if you have a XLP based board. 9871c773ea4SJayachandran C 9889bc463beSDavid Daneyconfig MIPS_PARAVIRT 9899bc463beSDavid Daney bool "Para-Virtualized guest system" 9909bc463beSDavid Daney select CEVT_R4K 9919bc463beSDavid Daney select CSRC_R4K 9929bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9939bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9949bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9959bc463beSDavid Daney select SYS_SUPPORTS_SMP 9969bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9979bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9989bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9999bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10009bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 10019bc463beSDavid Daney select HW_HAS_PCI 10029bc463beSDavid Daney select SWAP_IO_SPACE 10039bc463beSDavid Daney help 10049bc463beSDavid Daney This option supports guest running under ???? 10059bc463beSDavid Daney 10061da177e4SLinus Torvaldsendchoice 10071da177e4SLinus Torvalds 1008e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10093b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1010d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1011a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1012e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10138945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1014eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10155e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10165ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10178ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10181f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10192572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1020af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10210f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1022ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102522b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10265e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1027a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102830ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102930ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10307f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1031ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 103238b18f72SRalf Baechle 10335e83d430SRalf Baechleendmenu 10345e83d430SRalf Baechle 10351da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10361da177e4SLinus Torvalds bool 10371da177e4SLinus Torvalds default y 10381da177e4SLinus Torvalds 10391da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10401da177e4SLinus Torvalds bool 10411da177e4SLinus Torvalds 10423c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10433c9ee7efSAkinobu Mita bool 10443c9ee7efSAkinobu Mita default y 10453c9ee7efSAkinobu Mita 10461da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10471da177e4SLinus Torvalds bool 10481da177e4SLinus Torvalds default y 10491da177e4SLinus Torvalds 1050ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10511cc89038SAtsushi Nemoto bool 10521cc89038SAtsushi Nemoto default y 10531cc89038SAtsushi Nemoto 10541da177e4SLinus Torvalds# 10551da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10561da177e4SLinus Torvalds# 10570e2794b0SRalf Baechleconfig FW_ARC 10581da177e4SLinus Torvalds bool 10591da177e4SLinus Torvalds 106061ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106161ed242dSRalf Baechle bool 106261ed242dSRalf Baechle 10639267a30dSMarc St-Jeanconfig BOOT_RAW 10649267a30dSMarc St-Jean bool 10659267a30dSMarc St-Jean 1066217dd11eSRalf Baechleconfig CEVT_BCM1480 1067217dd11eSRalf Baechle bool 1068217dd11eSRalf Baechle 10696457d9fcSYoichi Yuasaconfig CEVT_DS1287 10706457d9fcSYoichi Yuasa bool 10716457d9fcSYoichi Yuasa 10721097c6acSYoichi Yuasaconfig CEVT_GT641XX 10731097c6acSYoichi Yuasa bool 10741097c6acSYoichi Yuasa 107542f77542SRalf Baechleconfig CEVT_R4K 107642f77542SRalf Baechle bool 107742f77542SRalf Baechle 1078217dd11eSRalf Baechleconfig CEVT_SB1250 1079217dd11eSRalf Baechle bool 1080217dd11eSRalf Baechle 1081229f773eSAtsushi Nemotoconfig CEVT_TXX9 1082229f773eSAtsushi Nemoto bool 1083229f773eSAtsushi Nemoto 1084217dd11eSRalf Baechleconfig CSRC_BCM1480 1085217dd11eSRalf Baechle bool 1086217dd11eSRalf Baechle 10874247417dSYoichi Yuasaconfig CSRC_IOASIC 10884247417dSYoichi Yuasa bool 10894247417dSYoichi Yuasa 1090940f6b48SRalf Baechleconfig CSRC_R4K 1091940f6b48SRalf Baechle bool 1092940f6b48SRalf Baechle 1093217dd11eSRalf Baechleconfig CSRC_SB1250 1094217dd11eSRalf Baechle bool 1095217dd11eSRalf Baechle 1096a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1097a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1098a7f4df4eSAlex Smith 1099a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1100d30a2b47SLinus Walleij select GPIOLIB 1101a9aec7feSAtsushi Nemoto bool 1102a9aec7feSAtsushi Nemoto 11030e2794b0SRalf Baechleconfig FW_CFE 1104df78b5c8SAurelien Jarno bool 1105df78b5c8SAurelien Jarno 110640e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 110740e084a5SRalf Baechle bool 110840e084a5SRalf Baechle 1109885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1110f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1111885014bcSFelix Fietkau select DMA_NONCOHERENT 1112885014bcSFelix Fietkau bool 1113885014bcSFelix Fietkau 111420d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 111520d33064SPaul Burton bool 11165748e1b3SChristoph Hellwig select DMA_NONCOHERENT 111720d33064SPaul Burton 11181da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11191da177e4SLinus Torvalds bool 112058b04406SChristoph Hellwig select ARCH_HAS_DMA_MMAP_PGPROT 1121f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1122f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU 1123e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 112458b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1125f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11264ce588cdSRalf Baechle 112736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11281da177e4SLinus Torvalds bool 11291da177e4SLinus Torvalds 11301b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1131dbb74540SRalf Baechle bool 1132dbb74540SRalf Baechle 11331da177e4SLinus Torvaldsconfig MIPS_BONITO64 11341da177e4SLinus Torvalds bool 11351da177e4SLinus Torvalds 11361da177e4SLinus Torvaldsconfig MIPS_MSC 11371da177e4SLinus Torvalds bool 11381da177e4SLinus Torvalds 11391f21d2bdSBrian Murphyconfig MIPS_NILE4 11401f21d2bdSBrian Murphy bool 11411f21d2bdSBrian Murphy 114239b8d525SRalf Baechleconfig SYNC_R4K 114339b8d525SRalf Baechle bool 114439b8d525SRalf Baechle 1145487d70d0SGabor Juhosconfig MIPS_MACHINE 1146487d70d0SGabor Juhos def_bool n 1147487d70d0SGabor Juhos 1148ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1149d388d685SMaciej W. Rozycki def_bool n 1150d388d685SMaciej W. Rozycki 11514e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11524e0748f5SMarkos Chandras bool 1153932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11544e0748f5SMarkos Chandras 11558313da30SRalf Baechleconfig GENERIC_ISA_DMA 11568313da30SRalf Baechle bool 11578313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1158a35bee8aSNamhyung Kim select ISA_DMA_API 11598313da30SRalf Baechle 1160aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1161aa414dffSRalf Baechle bool 11628313da30SRalf Baechle select GENERIC_ISA_DMA 1163aa414dffSRalf Baechle 1164a35bee8aSNamhyung Kimconfig ISA_DMA_API 1165a35bee8aSNamhyung Kim bool 1166a35bee8aSNamhyung Kim 1167465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1168465aaed0SDavid Daney bool 1169465aaed0SDavid Daney 11708c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11718c530ea3SMatt Redfearn bool 11728c530ea3SMatt Redfearn help 11738c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11748c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11758c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11768c530ea3SMatt Redfearn 1177f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1178f381bf6dSDavid Daney def_bool y 1179f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1180f381bf6dSDavid Daney 1181f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1182f381bf6dSDavid Daney def_bool y 1183f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1184f381bf6dSDavid Daney 1185f381bf6dSDavid Daney 11865e83d430SRalf Baechle# 11876b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11885e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11895e83d430SRalf Baechle# choice statement should be more obvious to the user. 11905e83d430SRalf Baechle# 11915e83d430SRalf Baechlechoice 11926b2aac42SMasanari Iida prompt "Endianness selection" 11931da177e4SLinus Torvalds help 11941da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11955e83d430SRalf Baechle byte order. These modes require different kernels and a different 11963cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11975e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11983dde6ad8SDavid Sterba one or the other endianness. 11995e83d430SRalf Baechle 12005e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12015e83d430SRalf Baechle bool "Big endian" 12025e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12035e83d430SRalf Baechle 12045e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12055e83d430SRalf Baechle bool "Little endian" 12065e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12075e83d430SRalf Baechle 12085e83d430SRalf Baechleendchoice 12095e83d430SRalf Baechle 121022b0763aSDavid Daneyconfig EXPORT_UASM 121122b0763aSDavid Daney bool 121222b0763aSDavid Daney 12132116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12142116245eSRalf Baechle bool 12152116245eSRalf Baechle 12165e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12175e83d430SRalf Baechle bool 12185e83d430SRalf Baechle 12195e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12205e83d430SRalf Baechle bool 12211da177e4SLinus Torvalds 12229cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12239cffd154SDavid Daney bool 12249cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12259cffd154SDavid Daney default y 12269cffd154SDavid Daney 1227aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1228aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1229aa1762f4SDavid Daney 12301da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12311da177e4SLinus Torvalds bool 12321da177e4SLinus Torvalds 12339267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12349267a30dSMarc St-Jean bool 12359267a30dSMarc St-Jean 12369267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12379267a30dSMarc St-Jean bool 12389267a30dSMarc St-Jean 12398420fd00SAtsushi Nemotoconfig IRQ_TXX9 12408420fd00SAtsushi Nemoto bool 12418420fd00SAtsushi Nemoto 1242d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1243d5ab1a69SYoichi Yuasa bool 1244d5ab1a69SYoichi Yuasa 1245252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12461da177e4SLinus Torvalds bool 12471da177e4SLinus Torvalds 12489267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12499267a30dSMarc St-Jean bool 12509267a30dSMarc St-Jean 1251a83860c2SRalf Baechleconfig SOC_EMMA2RH 1252a83860c2SRalf Baechle bool 1253a83860c2SRalf Baechle select CEVT_R4K 1254a83860c2SRalf Baechle select CSRC_R4K 1255a83860c2SRalf Baechle select DMA_NONCOHERENT 125667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1257a83860c2SRalf Baechle select SWAP_IO_SPACE 1258a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1259a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1260a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1261a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1262a83860c2SRalf Baechle 1263edb6310aSDaniel Lairdconfig SOC_PNX833X 1264edb6310aSDaniel Laird bool 1265edb6310aSDaniel Laird select CEVT_R4K 1266edb6310aSDaniel Laird select CSRC_R4K 126767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1268edb6310aSDaniel Laird select DMA_NONCOHERENT 1269edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1270edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1271edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1272edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1273377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1274edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1275edb6310aSDaniel Laird 1276edb6310aSDaniel Lairdconfig SOC_PNX8335 1277edb6310aSDaniel Laird bool 1278edb6310aSDaniel Laird select SOC_PNX833X 1279edb6310aSDaniel Laird 1280a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1281a7e07b1aSMarkos Chandras bool 1282a7e07b1aSMarkos Chandras 12831da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12841da177e4SLinus Torvalds bool 12851da177e4SLinus Torvalds 1286e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1287e2defae5SThomas Bogendoerfer bool 1288e2defae5SThomas Bogendoerfer 12895b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12905b438c44SThomas Bogendoerfer bool 12915b438c44SThomas Bogendoerfer 1292e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1293e2defae5SThomas Bogendoerfer bool 1294e2defae5SThomas Bogendoerfer 1295e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1296e2defae5SThomas Bogendoerfer bool 1297e2defae5SThomas Bogendoerfer 1298e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1299e2defae5SThomas Bogendoerfer bool 1300e2defae5SThomas Bogendoerfer 1301e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1302e2defae5SThomas Bogendoerfer bool 1303e2defae5SThomas Bogendoerfer 1304e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1305e2defae5SThomas Bogendoerfer bool 1306e2defae5SThomas Bogendoerfer 13070e2794b0SRalf Baechleconfig FW_ARC32 13085e83d430SRalf Baechle bool 13095e83d430SRalf Baechle 1310aaa9fad3SPaul Bolleconfig FW_SNIPROM 1311231a35d3SThomas Bogendoerfer bool 1312231a35d3SThomas Bogendoerfer 13131da177e4SLinus Torvaldsconfig BOOT_ELF32 13141da177e4SLinus Torvalds bool 13151da177e4SLinus Torvalds 1316930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1317930beb5aSFlorian Fainelli bool 1318930beb5aSFlorian Fainelli 1319930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1320930beb5aSFlorian Fainelli bool 1321930beb5aSFlorian Fainelli 1322930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1323930beb5aSFlorian Fainelli bool 1324930beb5aSFlorian Fainelli 1325930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1326930beb5aSFlorian Fainelli bool 1327930beb5aSFlorian Fainelli 13281da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13291da177e4SLinus Torvalds int 1330a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13315432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13325432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13335432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13341da177e4SLinus Torvalds default "5" 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13371da177e4SLinus Torvalds bool 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvaldsconfig ARC_CONSOLE 13401da177e4SLinus Torvalds bool "ARC console support" 1341e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13421da177e4SLinus Torvalds 13431da177e4SLinus Torvaldsconfig ARC_MEMORY 13441da177e4SLinus Torvalds bool 134514b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13461da177e4SLinus Torvalds default y 13471da177e4SLinus Torvalds 13481da177e4SLinus Torvaldsconfig ARC_PROMLIB 13491da177e4SLinus Torvalds bool 1350e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13511da177e4SLinus Torvalds default y 13521da177e4SLinus Torvalds 13530e2794b0SRalf Baechleconfig FW_ARC64 13541da177e4SLinus Torvalds bool 13551da177e4SLinus Torvalds 13561da177e4SLinus Torvaldsconfig BOOT_ELF64 13571da177e4SLinus Torvalds bool 13581da177e4SLinus Torvalds 13591da177e4SLinus Torvaldsmenu "CPU selection" 13601da177e4SLinus Torvalds 13611da177e4SLinus Torvaldschoice 13621da177e4SLinus Torvalds prompt "CPU type" 13631da177e4SLinus Torvalds default CPU_R4X00 13641da177e4SLinus Torvalds 13650e476d91SHuacai Chenconfig CPU_LOONGSON3 13660e476d91SHuacai Chen bool "Loongson 3 CPU" 13670e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1368d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13690e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13700e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13710e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 1372932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13730e476d91SHuacai Chen select WEAK_ORDERING 13740e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1375b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 137617c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1377d30a2b47SLinus Walleij select GPIOLIB 137809230cbcSChristoph Hellwig select SWIOTLB 13790e476d91SHuacai Chen help 13800e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13810e476d91SHuacai Chen set with many extensions. 13820e476d91SHuacai Chen 13831e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13841e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13851e820da3SHuacai Chen default n 13861e820da3SHuacai Chen select CPU_MIPSR2 13871e820da3SHuacai Chen select CPU_HAS_PREFETCH 13881e820da3SHuacai Chen depends on CPU_LOONGSON3 13891e820da3SHuacai Chen help 13901e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13911e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13921e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13931e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13941e820da3SHuacai Chen Fast TLB refill support, etc. 13951e820da3SHuacai Chen 13961e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13971e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13981e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13991e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14001e820da3SHuacai Chen 14013702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14023702bba5SWu Zhangjin bool "Loongson 2E" 14033702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14043702bba5SWu Zhangjin select CPU_LOONGSON2 14052a21c730SFuxin Zhang help 14062a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14072a21c730SFuxin Zhang with many extensions. 14082a21c730SFuxin Zhang 140925985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14106f7a251aSWu Zhangjin bonito64. 14116f7a251aSWu Zhangjin 14126f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14136f7a251aSWu Zhangjin bool "Loongson 2F" 14146f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14156f7a251aSWu Zhangjin select CPU_LOONGSON2 1416d30a2b47SLinus Walleij select GPIOLIB 14176f7a251aSWu Zhangjin help 14186f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14196f7a251aSWu Zhangjin with many extensions. 14206f7a251aSWu Zhangjin 14216f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14226f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14236f7a251aSWu Zhangjin Loongson2E. 14246f7a251aSWu Zhangjin 1425ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1426ca585cf9SKelvin Cheung bool "Loongson 1B" 1427ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1428ca585cf9SKelvin Cheung select CPU_LOONGSON1 14299ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1430ca585cf9SKelvin Cheung help 1431ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1432968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1433968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1434ca585cf9SKelvin Cheung 143512e3280bSYang Lingconfig CPU_LOONGSON1C 143612e3280bSYang Ling bool "Loongson 1C" 143712e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 143812e3280bSYang Ling select CPU_LOONGSON1 143912e3280bSYang Ling select LEDS_GPIO_REGISTER 144012e3280bSYang Ling help 144112e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1442968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1443968dc5a0S谢致邦 (XIE Zhibang) instruction set. 144412e3280bSYang Ling 14456e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14466e760c8dSRalf Baechle bool "MIPS32 Release 1" 14477cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14486e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1449932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1450797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1451ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14526e760c8dSRalf Baechle help 14535e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14541e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14551e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14561e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14571e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14581e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14591e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14601e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14611e5f1caaSRalf Baechle performance. 14621e5f1caaSRalf Baechle 14631e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14641e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14657cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14661e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1467932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1468797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1469ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1470a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14712235a54dSSanjay Lal select HAVE_KVM 14721e5f1caaSRalf Baechle help 14735e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14746e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14756e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14766e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14776e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14781da177e4SLinus Torvalds 14797fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1480674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14817fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14827fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14837fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14847fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14857fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14867fd08ca5SLeonid Yegoshin select HAVE_KVM 14877fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14887fd08ca5SLeonid Yegoshin help 14897fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14907fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14917fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14927fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14937fd08ca5SLeonid Yegoshin 14946e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14956e760c8dSRalf Baechle bool "MIPS64 Release 1" 14967cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1497797798c1SRalf Baechle select CPU_HAS_PREFETCH 1498932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1499ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1500ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1501ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15029cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15036e760c8dSRalf Baechle help 15046e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15056e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15066e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15076e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15086e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15091e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15101e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15111e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15121e5f1caaSRalf Baechle performance. 15131e5f1caaSRalf Baechle 15141e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15151e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15167cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1517797798c1SRalf Baechle select CPU_HAS_PREFETCH 1518932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15191e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15201e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1521ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15229cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1523a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 152440a2df49SJames Hogan select HAVE_KVM 15251e5f1caaSRalf Baechle help 15261e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15271e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15281e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15291e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15301e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15311da177e4SLinus Torvalds 15327fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1533674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15347fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15357fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15367fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15377fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15387fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15397fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15402e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154140a2df49SJames Hogan select HAVE_KVM 15427fd08ca5SLeonid Yegoshin help 15437fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15447fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15457fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15467fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15477fd08ca5SLeonid Yegoshin 15481da177e4SLinus Torvaldsconfig CPU_R3000 15491da177e4SLinus Torvalds bool "R3000" 15507cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1551f7062ddbSRalf Baechle select CPU_HAS_WB 1552932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1553ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1554797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15551da177e4SLinus Torvalds help 15561da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15571da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15581da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15591da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15601da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15611da177e4SLinus Torvalds try to recompile with R3000. 15621da177e4SLinus Torvalds 15631da177e4SLinus Torvaldsconfig CPU_TX39XX 15641da177e4SLinus Torvalds bool "R39XX" 15657cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1566ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1567932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15681da177e4SLinus Torvalds 15691da177e4SLinus Torvaldsconfig CPU_VR41XX 15701da177e4SLinus Torvalds bool "R41xx" 15717cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1572ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1573ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1574932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15751da177e4SLinus Torvalds help 15765e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15771da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15781da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15791da177e4SLinus Torvalds processor or vice versa. 15801da177e4SLinus Torvalds 15811da177e4SLinus Torvaldsconfig CPU_R4300 15821da177e4SLinus Torvalds bool "R4300" 15837cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1584ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1585ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1586932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15871da177e4SLinus Torvalds help 15881da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15891da177e4SLinus Torvalds 15901da177e4SLinus Torvaldsconfig CPU_R4X00 15911da177e4SLinus Torvalds bool "R4x00" 15927cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1593ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1594ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1595970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1596932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15971da177e4SLinus Torvalds help 15981da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15991da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvaldsconfig CPU_TX49XX 16021da177e4SLinus Torvalds bool "R49XX" 16037cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1604de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1605932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1606ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1607ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1608970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16091da177e4SLinus Torvalds 16101da177e4SLinus Torvaldsconfig CPU_R5000 16111da177e4SLinus Torvalds bool "R5000" 16127cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1613ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1614ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1615970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1616932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16171da177e4SLinus Torvalds help 16181da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16191da177e4SLinus Torvalds 16201da177e4SLinus Torvaldsconfig CPU_R5432 16211da177e4SLinus Torvalds bool "R5432" 16227cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16235e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16245e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1625970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1626932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16271da177e4SLinus Torvalds 1628542c1020SShinya Kuribayashiconfig CPU_R5500 1629542c1020SShinya Kuribayashi bool "R5500" 1630542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1631542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1632542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16339cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1634932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1635542c1020SShinya Kuribayashi help 1636542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1637542c1020SShinya Kuribayashi instruction set. 1638542c1020SShinya Kuribayashi 16391da177e4SLinus Torvaldsconfig CPU_NEVADA 16401da177e4SLinus Torvalds bool "RM52xx" 16417cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 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 QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16481da177e4SLinus Torvalds 16491da177e4SLinus Torvaldsconfig CPU_R8000 16501da177e4SLinus Torvalds bool "R8000" 16517cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16525e83d430SRalf Baechle select CPU_HAS_PREFETCH 1653932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1654ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16551da177e4SLinus Torvalds help 16561da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16571da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16581da177e4SLinus Torvalds 16591da177e4SLinus Torvaldsconfig CPU_R10000 16601da177e4SLinus Torvalds bool "R10000" 16617cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16625e83d430SRalf Baechle select CPU_HAS_PREFETCH 1663932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1664ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1665ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1666797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1667970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16681da177e4SLinus Torvalds help 16691da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvaldsconfig CPU_RM7000 16721da177e4SLinus Torvalds bool "RM7000" 16737cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16745e83d430SRalf Baechle select CPU_HAS_PREFETCH 1675932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1676ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1677ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1678797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1679970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvaldsconfig CPU_SB1 16821da177e4SLinus Torvalds bool "SB1" 16837cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1684932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1685ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1686ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1687797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1688970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16890004a9dfSRalf Baechle select WEAK_ORDERING 16901da177e4SLinus Torvalds 1691a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1692a86c7f72SDavid Daney bool "Cavium Octeon processor" 16935e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1694a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1695932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1696a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1697a86c7f72SDavid Daney select WEAK_ORDERING 1698a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16999cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1700df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1701df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1702930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17030ae3abcdSJames Hogan select HAVE_KVM 1704a86c7f72SDavid Daney help 1705a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1706a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1707a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1708a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1709a86c7f72SDavid Daney 1710cd746249SJonas Gorskiconfig CPU_BMIPS 1711cd746249SJonas Gorski bool "Broadcom BMIPS" 1712cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1713cd746249SJonas Gorski select CPU_MIPS32 1714fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1715cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1716cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1717cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1718cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1719cd746249SJonas Gorski select DMA_NONCOHERENT 172067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1721cd746249SJonas Gorski select SWAP_IO_SPACE 1722cd746249SJonas Gorski select WEAK_ORDERING 1723c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172469aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1725932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1726a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1727a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1728c1c0c461SKevin Cernekee help 1729fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1730c1c0c461SKevin Cernekee 17317f058e85SJayachandran Cconfig CPU_XLR 17327f058e85SJayachandran C bool "Netlogic XLR SoC" 17337f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1734932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17357f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17367f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17377f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1738970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17397f058e85SJayachandran C select WEAK_ORDERING 17407f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17417f058e85SJayachandran C help 17427f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17431c773ea4SJayachandran C 17441c773ea4SJayachandran Cconfig CPU_XLP 17451c773ea4SJayachandran C bool "Netlogic XLP SoC" 17461c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17471c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17481c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17491c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17501c773ea4SJayachandran C select WEAK_ORDERING 17511c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17521c773ea4SJayachandran C select CPU_HAS_PREFETCH 1753932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1754d6504846SJayachandran C select CPU_MIPSR2 1755ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17562db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17571c773ea4SJayachandran C help 17581c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17591da177e4SLinus Torvaldsendchoice 17601da177e4SLinus Torvalds 1761a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1762a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1763a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17647fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1765a6e18781SLeonid Yegoshin help 1766a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1767a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1768a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1769a6e18781SLeonid Yegoshin 1770a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1771a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1772a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1773a6e18781SLeonid Yegoshin select EVA 1774a6e18781SLeonid Yegoshin default y 1775a6e18781SLeonid Yegoshin help 1776a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1777a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1778a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1779a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1780a6e18781SLeonid Yegoshin 1781c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1782c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1783c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1784c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1785c5b36783SSteven J. Hill help 1786c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1787c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1788c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1789c5b36783SSteven J. Hill 1790c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1791c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1792c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1793c5b36783SSteven J. Hill depends on !EVA 1794c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1795c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1796c5b36783SSteven J. Hill select XPA 1797c5b36783SSteven J. Hill select HIGHMEM 1798d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1799c5b36783SSteven J. Hill default n 1800c5b36783SSteven J. Hill help 1801c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1802c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1803c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1804c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1805c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1806c5b36783SSteven J. Hill If unsure, say 'N' here. 1807c5b36783SSteven J. Hill 1808622844bfSWu Zhangjinif CPU_LOONGSON2F 1809622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1810622844bfSWu Zhangjin bool 1811622844bfSWu Zhangjin 1812622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1813622844bfSWu Zhangjin bool 1814622844bfSWu Zhangjin 1815622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1816622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1817622844bfSWu Zhangjin default y 1818622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1819622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1820622844bfSWu Zhangjin help 1821622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1822622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1823622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1824622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1825622844bfSWu Zhangjin 1826622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1827622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1828622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1829622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1830622844bfSWu Zhangjin systems. 1831622844bfSWu Zhangjin 1832622844bfSWu Zhangjin If unsure, please say Y. 1833622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1834622844bfSWu Zhangjin 18351b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18361b93b3c3SWu Zhangjin bool 18371b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18381b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 183931c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18401b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1841fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18424e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18431b93b3c3SWu Zhangjin 18441b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18451b93b3c3SWu Zhangjin bool 18461b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18471b93b3c3SWu Zhangjin 1848dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1849dbb98314SAlban Bedel bool 1850dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1851dbb98314SAlban Bedel 18523702bba5SWu Zhangjinconfig CPU_LOONGSON2 18533702bba5SWu Zhangjin bool 18543702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18553702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18563702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1857970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1858e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1859932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18603702bba5SWu Zhangjin 1861ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1862ca585cf9SKelvin Cheung bool 1863ca585cf9SKelvin Cheung select CPU_MIPS32 1864968dc5a0S谢致邦 (XIE Zhibang) select CPU_MIPSR1 1865ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1866932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1867ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1868ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1869f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1870ca585cf9SKelvin Cheung 1871fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 187204fa8bf7SJonas Gorski select SMP_UP if SMP 18731bbb6c1bSKevin Cernekee bool 1874cd746249SJonas Gorski 1875cd746249SJonas Gorskiconfig CPU_BMIPS4350 1876cd746249SJonas Gorski bool 1877cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1878cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1879cd746249SJonas Gorski 1880cd746249SJonas Gorskiconfig CPU_BMIPS4380 1881cd746249SJonas Gorski bool 1882bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1883cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1884cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1885b4720809SFlorian Fainelli select CPU_HAS_RIXI 1886cd746249SJonas Gorski 1887cd746249SJonas Gorskiconfig CPU_BMIPS5000 1888cd746249SJonas Gorski bool 1889cd746249SJonas Gorski select MIPS_CPU_SCACHE 1890bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1891cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1892cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1893b4720809SFlorian Fainelli select CPU_HAS_RIXI 18941bbb6c1bSKevin Cernekee 18950e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18960e476d91SHuacai Chen bool 18970e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1898b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18990e476d91SHuacai Chen 19003702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19012a21c730SFuxin Zhang bool 19022a21c730SFuxin Zhang 19036f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19046f7a251aSWu Zhangjin bool 190555045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 190655045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 190722f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19086f7a251aSWu Zhangjin 1909ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1910ca585cf9SKelvin Cheung bool 1911ca585cf9SKelvin Cheung 191212e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 191312e3280bSYang Ling bool 191412e3280bSYang Ling 19157cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19167cf8053bSRalf Baechle bool 19177cf8053bSRalf Baechle 19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19197cf8053bSRalf Baechle bool 19207cf8053bSRalf Baechle 1921a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1922a6e18781SLeonid Yegoshin bool 1923a6e18781SLeonid Yegoshin 1924c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1925c5b36783SSteven J. Hill bool 1926c5b36783SSteven J. Hill 19277fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19287fd08ca5SLeonid Yegoshin bool 19297fd08ca5SLeonid Yegoshin 19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19317cf8053bSRalf Baechle bool 19327cf8053bSRalf Baechle 19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19347cf8053bSRalf Baechle bool 19357cf8053bSRalf Baechle 19367fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19377fd08ca5SLeonid Yegoshin bool 19387fd08ca5SLeonid Yegoshin 19397cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19407cf8053bSRalf Baechle bool 19417cf8053bSRalf Baechle 19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19437cf8053bSRalf Baechle bool 19447cf8053bSRalf Baechle 19457cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19467cf8053bSRalf Baechle bool 19477cf8053bSRalf Baechle 19487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19497cf8053bSRalf Baechle bool 19507cf8053bSRalf Baechle 19517cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19527cf8053bSRalf Baechle bool 19537cf8053bSRalf Baechle 19547cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19557cf8053bSRalf Baechle bool 19567cf8053bSRalf Baechle 19577cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19587cf8053bSRalf Baechle bool 19597cf8053bSRalf Baechle 19607cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19617cf8053bSRalf Baechle bool 19627cf8053bSRalf Baechle 1963542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1964542c1020SShinya Kuribayashi bool 1965542c1020SShinya Kuribayashi 19667cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19677cf8053bSRalf Baechle bool 19687cf8053bSRalf Baechle 19697cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19707cf8053bSRalf Baechle bool 19717cf8053bSRalf Baechle 19727cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19737cf8053bSRalf Baechle bool 19747cf8053bSRalf Baechle 19757cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19767cf8053bSRalf Baechle bool 19777cf8053bSRalf Baechle 19787cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19797cf8053bSRalf Baechle bool 19807cf8053bSRalf Baechle 19815e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19825e683389SDavid Daney bool 19835e683389SDavid Daney 1984cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1985c1c0c461SKevin Cernekee bool 1986c1c0c461SKevin Cernekee 1987fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1988c1c0c461SKevin Cernekee bool 1989cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1990c1c0c461SKevin Cernekee 1991c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1992c1c0c461SKevin Cernekee bool 1993cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1994c1c0c461SKevin Cernekee 1995c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1996c1c0c461SKevin Cernekee bool 1997cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1998c1c0c461SKevin Cernekee 1999c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2000c1c0c461SKevin Cernekee bool 2001cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2002c1c0c461SKevin Cernekee 20037f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20047f058e85SJayachandran C bool 20057f058e85SJayachandran C 20061c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20071c773ea4SJayachandran C bool 20081c773ea4SJayachandran C 200917099b11SRalf Baechle# 201017099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 201117099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 201217099b11SRalf Baechle# 20130004a9dfSRalf Baechleconfig WEAK_ORDERING 20140004a9dfSRalf Baechle bool 201517099b11SRalf Baechle 201617099b11SRalf Baechle# 201717099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 201817099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 201917099b11SRalf Baechle# 202017099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 202117099b11SRalf Baechle bool 20225e83d430SRalf Baechleendmenu 20235e83d430SRalf Baechle 20245e83d430SRalf Baechle# 20255e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20265e83d430SRalf Baechle# 20275e83d430SRalf Baechleconfig CPU_MIPS32 20285e83d430SRalf Baechle bool 20297fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20305e83d430SRalf Baechle 20315e83d430SRalf Baechleconfig CPU_MIPS64 20325e83d430SRalf Baechle bool 20337fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20345e83d430SRalf Baechle 20355e83d430SRalf Baechle# 2036c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 20375e83d430SRalf Baechle# 20385e83d430SRalf Baechleconfig CPU_MIPSR1 20395e83d430SRalf Baechle bool 20405e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20415e83d430SRalf Baechle 20425e83d430SRalf Baechleconfig CPU_MIPSR2 20435e83d430SRalf Baechle bool 2044a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20458256b17eSFlorian Fainelli select CPU_HAS_RIXI 2046a7e07b1aSMarkos Chandras select MIPS_SPRAM 20475e83d430SRalf Baechle 20487fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20497fd08ca5SLeonid Yegoshin bool 20507fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20518256b17eSFlorian Fainelli select CPU_HAS_RIXI 205287321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20532db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20544a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2055a7e07b1aSMarkos Chandras select MIPS_SPRAM 20565e83d430SRalf Baechle 2057a6e18781SLeonid Yegoshinconfig EVA 2058a6e18781SLeonid Yegoshin bool 2059a6e18781SLeonid Yegoshin 2060c5b36783SSteven J. Hillconfig XPA 2061c5b36783SSteven J. Hill bool 2062c5b36783SSteven J. Hill 20635e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20645e83d430SRalf Baechle bool 20655e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20665e83d430SRalf Baechle bool 20675e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20685e83d430SRalf Baechle bool 20695e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20705e83d430SRalf Baechle bool 207155045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 207255045ff5SWu Zhangjin bool 207355045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 207455045ff5SWu Zhangjin bool 20759cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20769cffd154SDavid Daney bool 207722f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 207822f1fdfdSWu Zhangjin bool 207982622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 208082622284SDavid Daney bool 2081cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 20825e83d430SRalf Baechle 20838192c9eaSDavid Daney# 20848192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20858192c9eaSDavid Daney# 20868192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20878192c9eaSDavid Daney bool 2088679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20898192c9eaSDavid Daney 20905e83d430SRalf Baechlemenu "Kernel type" 20915e83d430SRalf Baechle 20925e83d430SRalf Baechlechoice 20935e83d430SRalf Baechle prompt "Kernel code model" 20945e83d430SRalf Baechle help 20955e83d430SRalf Baechle You should only select this option if you have a workload that 20965e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20975e83d430SRalf Baechle large memory. You will only be presented a single option in this 20985e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20995e83d430SRalf Baechle 21005e83d430SRalf Baechleconfig 32BIT 21015e83d430SRalf Baechle bool "32-bit kernel" 21025e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21035e83d430SRalf Baechle select TRAD_SIGNALS 21045e83d430SRalf Baechle help 21055e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2106f17c4ca3SRalf Baechle 21075e83d430SRalf Baechleconfig 64BIT 21085e83d430SRalf Baechle bool "64-bit kernel" 21095e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21105e83d430SRalf Baechle help 21115e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21125e83d430SRalf Baechle 21135e83d430SRalf Baechleendchoice 21145e83d430SRalf Baechle 21152235a54dSSanjay Lalconfig KVM_GUEST 21162235a54dSSanjay Lal bool "KVM Guest Kernel" 2117f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21182235a54dSSanjay Lal help 2119caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2120caa1faa7SJames Hogan mode. 21212235a54dSSanjay Lal 2122eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2123eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21242235a54dSSanjay Lal depends on KVM_GUEST 2125eda3d33cSJames Hogan default 100 21262235a54dSSanjay Lal help 2127eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2128eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2129eda3d33cSJames Hogan timer frequency is specified directly. 21302235a54dSSanjay Lal 21311e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21321e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21331e321fa9SLeonid Yegoshin depends on 64BIT 21341e321fa9SLeonid Yegoshin help 21353377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21363377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21373377e227SAlex Belits For page sizes 16k and above, this option results in a small 21383377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21393377e227SAlex Belits level of page tables is added which imposes both a memory 21403377e227SAlex Belits overhead as well as slower TLB fault handling. 21413377e227SAlex Belits 21421e321fa9SLeonid Yegoshin If unsure, say N. 21431e321fa9SLeonid Yegoshin 21441da177e4SLinus Torvaldschoice 21451da177e4SLinus Torvalds prompt "Kernel page size" 21461da177e4SLinus Torvalds default PAGE_SIZE_4KB 21471da177e4SLinus Torvalds 21481da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21491da177e4SLinus Torvalds bool "4kB" 21500e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21511da177e4SLinus Torvalds help 21521da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21531da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21541da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21551da177e4SLinus Torvalds recommended for low memory systems. 21561da177e4SLinus Torvalds 21571da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21581da177e4SLinus Torvalds bool "8kB" 21597d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21601e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21611da177e4SLinus Torvalds help 21621da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21631da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2164c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2165c52399beSRalf Baechle suitable Linux distribution to support this. 21661da177e4SLinus Torvalds 21671da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21681da177e4SLinus Torvalds bool "16kB" 2169714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21701da177e4SLinus Torvalds help 21711da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21721da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2173714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2174714bfad6SRalf Baechle Linux distribution to support this. 21751da177e4SLinus Torvalds 2176c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2177c52399beSRalf Baechle bool "32kB" 2178c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21791e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2180c52399beSRalf Baechle help 2181c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2182c52399beSRalf Baechle the price of higher memory consumption. This option is available 2183c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2184c52399beSRalf Baechle distribution to support this. 2185c52399beSRalf Baechle 21861da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21871da177e4SLinus Torvalds bool "64kB" 21883b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 21891da177e4SLinus Torvalds help 21901da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21911da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21921da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2193714bfad6SRalf Baechle writing this option is still high experimental. 21941da177e4SLinus Torvalds 21951da177e4SLinus Torvaldsendchoice 21961da177e4SLinus Torvalds 2197c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2198c9bace7cSDavid Daney int "Maximum zone order" 2199e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2200e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2201e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2202e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2203e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2204e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2205c9bace7cSDavid Daney range 11 64 2206c9bace7cSDavid Daney default "11" 2207c9bace7cSDavid Daney help 2208c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2209c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2210c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2211c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2212c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2213c9bace7cSDavid Daney increase this value. 2214c9bace7cSDavid Daney 2215c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2216c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2217c9bace7cSDavid Daney 2218c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2219c9bace7cSDavid Daney when choosing a value for this option. 2220c9bace7cSDavid Daney 22211da177e4SLinus Torvaldsconfig BOARD_SCACHE 22221da177e4SLinus Torvalds bool 22231da177e4SLinus Torvalds 22241da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22251da177e4SLinus Torvalds bool 22261da177e4SLinus Torvalds select BOARD_SCACHE 22271da177e4SLinus Torvalds 22289318c51aSChris Dearman# 22299318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22309318c51aSChris Dearman# 22319318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22329318c51aSChris Dearman bool 22339318c51aSChris Dearman select BOARD_SCACHE 22349318c51aSChris Dearman 22351da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22361da177e4SLinus Torvalds bool 22371da177e4SLinus Torvalds select BOARD_SCACHE 22381da177e4SLinus Torvalds 22391da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22401da177e4SLinus Torvalds bool 22411da177e4SLinus Torvalds select BOARD_SCACHE 22421da177e4SLinus Torvalds 22431da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22441da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22451da177e4SLinus Torvalds depends on CPU_SB1 22461da177e4SLinus Torvalds help 22471da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22481da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22491da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22501da177e4SLinus Torvalds 22511da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2252c8094b53SRalf Baechle bool 22531da177e4SLinus Torvalds 22543165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22553165c846SFlorian Fainelli bool 22563b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22573165c846SFlorian Fainelli 2258c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2259*183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2260*183b40f9SPaul Burton default y 2261*183b40f9SPaul Burton help 2262*183b40f9SPaul Burton Select y to include support for floating point in the kernel 2263*183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2264*183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2265*183b40f9SPaul Burton userland program attempting to use floating point instructions will 2266*183b40f9SPaul Burton receive a SIGILL. 2267*183b40f9SPaul Burton 2268*183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2269*183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2270*183b40f9SPaul Burton 2271*183b40f9SPaul Burton If unsure, say y. 2272c92e47e5SPaul Burton 227397f7dcbfSPaul Burtonconfig CPU_R2300_FPU 227497f7dcbfSPaul Burton bool 2275c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 227697f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 227797f7dcbfSPaul Burton 227891405eb6SFlorian Fainelliconfig CPU_R4K_FPU 227991405eb6SFlorian Fainelli bool 2280c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 228197f7dcbfSPaul Burton default y if !CPU_R2300_FPU 228291405eb6SFlorian Fainelli 228362cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 228462cedc4fSFlorian Fainelli bool 228562cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 228662cedc4fSFlorian Fainelli 228759d6ab86SRalf Baechleconfig MIPS_MT_SMP 2288a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22895cbf9688SPaul Burton default y 2290527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 229159d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2292d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2293c080faa5SSteven J. Hill select SYNC_R4K 229459d6ab86SRalf Baechle select MIPS_MT 229559d6ab86SRalf Baechle select SMP 229687353d8aSRalf Baechle select SMP_UP 2297c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2298c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2299399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 230059d6ab86SRalf Baechle help 2301c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2302c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2303c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2304c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2305c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 230659d6ab86SRalf Baechle 2307f41ae0b2SRalf Baechleconfig MIPS_MT 2308f41ae0b2SRalf Baechle bool 2309f41ae0b2SRalf Baechle 23100ab7aefcSRalf Baechleconfig SCHED_SMT 23110ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23120ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23130ab7aefcSRalf Baechle default n 23140ab7aefcSRalf Baechle help 23150ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23160ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23170ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23180ab7aefcSRalf Baechle 23190ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23200ab7aefcSRalf Baechle bool 23210ab7aefcSRalf Baechle 2322f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2323f41ae0b2SRalf Baechle bool 2324f41ae0b2SRalf Baechle 2325f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2326f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2327f088fc84SRalf Baechle default y 2328b633648cSRalf Baechle depends on MIPS_MT_SMP 232907cc0c9eSRalf Baechle 2330b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2331b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23329eaa9a82SPaul Burton depends on CPU_MIPSR6 2333c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2334b0a668fbSLeonid Yegoshin default y 2335b0a668fbSLeonid Yegoshin help 2336b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2337b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 233807edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2339b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2340b0a668fbSLeonid Yegoshin final kernel image. 2341b0a668fbSLeonid Yegoshin 2342f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2343f35764e7SJames Hogan bool 2344f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2345f35764e7SJames Hogan help 2346f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2347f35764e7SJames Hogan physical_memsize. 2348f35764e7SJames Hogan 234907cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 235007cc0c9eSRalf Baechle bool "VPE loader support." 2351f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 235207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 235307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 235407cc0c9eSRalf Baechle select MIPS_MT 235507cc0c9eSRalf Baechle help 235607cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 235707cc0c9eSRalf Baechle onto another VPE and running it. 2358f088fc84SRalf Baechle 235917a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 236017a1d523SDeng-Cheng Zhu bool 236117a1d523SDeng-Cheng Zhu default "y" 236217a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 236317a1d523SDeng-Cheng Zhu 23641a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23651a2a6d7eSDeng-Cheng Zhu bool 23661a2a6d7eSDeng-Cheng Zhu default "y" 23671a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23681a2a6d7eSDeng-Cheng Zhu 2369e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2370e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2371e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2372e01402b1SRalf Baechle default y 2373e01402b1SRalf Baechle help 2374e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2375e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2376e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2377e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2378e01402b1SRalf Baechle 2379e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2380e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2381e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2382e01402b1SRalf Baechle 2383da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2384da615cf6SDeng-Cheng Zhu bool 2385da615cf6SDeng-Cheng Zhu default "y" 2386da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2387da615cf6SDeng-Cheng Zhu 23882c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23892c973ef0SDeng-Cheng Zhu bool 23902c973ef0SDeng-Cheng Zhu default "y" 23912c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23922c973ef0SDeng-Cheng Zhu 23934a16ff4cSRalf Baechleconfig MIPS_CMP 23945cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23955676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2396b10b43baSMarkos Chandras select SMP 2397eb9b5141STim Anderson select SYNC_R4K 2398b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23994a16ff4cSRalf Baechle select WEAK_ORDERING 24004a16ff4cSRalf Baechle default n 24014a16ff4cSRalf Baechle help 2402044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2403044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2404044505c7SPaul Burton its ability to start secondary CPUs. 24054a16ff4cSRalf Baechle 24065cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24075cac93b3SPaul Burton instead of this. 24085cac93b3SPaul Burton 24090ee958e1SPaul Burtonconfig MIPS_CPS 24100ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24115a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24120ee958e1SPaul Burton select MIPS_CM 24131d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24140ee958e1SPaul Burton select SMP 24150ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24161d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2417c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24180ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24190ee958e1SPaul Burton select WEAK_ORDERING 24200ee958e1SPaul Burton help 24210ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24220ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24230ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24240ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24250ee958e1SPaul Burton support is unavailable. 24260ee958e1SPaul Burton 24273179d37eSPaul Burtonconfig MIPS_CPS_PM 242839a59593SMarkos Chandras depends on MIPS_CPS 24293179d37eSPaul Burton bool 24303179d37eSPaul Burton 24319f98f3ddSPaul Burtonconfig MIPS_CM 24329f98f3ddSPaul Burton bool 24333c9b4166SPaul Burton select MIPS_CPC 24349f98f3ddSPaul Burton 24359c38cf44SPaul Burtonconfig MIPS_CPC 24369c38cf44SPaul Burton bool 24372600990eSRalf Baechle 24381da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24391da177e4SLinus Torvalds bool 24401da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24411da177e4SLinus Torvalds default y 24421da177e4SLinus Torvalds 24431da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24441da177e4SLinus Torvalds bool 24451da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24461da177e4SLinus Torvalds default y 24471da177e4SLinus Torvalds 24482235a54dSSanjay Lal 24499e2b5372SMarkos Chandraschoice 24509e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24519e2b5372SMarkos Chandras 24529e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24539e2b5372SMarkos Chandras bool "None" 24549e2b5372SMarkos Chandras help 24559e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24569e2b5372SMarkos Chandras 24579693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24589693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24599e2b5372SMarkos Chandras bool "SmartMIPS" 24609693a853SFranck Bui-Huu help 24619693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24629693a853SFranck Bui-Huu increased security at both hardware and software level for 24639693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24649693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24659693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24669693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24679693a853SFranck Bui-Huu here. 24689693a853SFranck Bui-Huu 2469bce86083SSteven J. Hillconfig CPU_MICROMIPS 24707fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24719e2b5372SMarkos Chandras bool "microMIPS" 2472bce86083SSteven J. Hill help 2473bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2474bce86083SSteven J. Hill microMIPS ISA 2475bce86083SSteven J. Hill 24769e2b5372SMarkos Chandrasendchoice 24779e2b5372SMarkos Chandras 2478a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24790ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2480a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2481c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 24822a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2483a5e9a69eSPaul Burton help 2484a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2485a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24861db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24871db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24881db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24891db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24901db1af84SPaul Burton the size & complexity of your kernel. 2491a5e9a69eSPaul Burton 2492a5e9a69eSPaul Burton If unsure, say Y. 2493a5e9a69eSPaul Burton 24941da177e4SLinus Torvaldsconfig CPU_HAS_WB 2495f7062ddbSRalf Baechle bool 2496e01402b1SRalf Baechle 2497df0ac8a4SKevin Cernekeeconfig XKS01 2498df0ac8a4SKevin Cernekee bool 2499df0ac8a4SKevin Cernekee 25008256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25018256b17eSFlorian Fainelli bool 25028256b17eSFlorian Fainelli 2503932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2504932afdeeSYasha Cherikovsky bool 2505932afdeeSYasha Cherikovsky help 2506932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2507932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2508932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2509932afdeeSYasha Cherikovsky 2510f41ae0b2SRalf Baechle# 2511f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2512f41ae0b2SRalf Baechle# 2513e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2514f41ae0b2SRalf Baechle bool 2515e01402b1SRalf Baechle 2516f41ae0b2SRalf Baechle# 2517f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2518f41ae0b2SRalf Baechle# 2519e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2520f41ae0b2SRalf Baechle bool 2521e01402b1SRalf Baechle 25221da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25231da177e4SLinus Torvalds bool 25241da177e4SLinus Torvalds depends on !CPU_R3000 25251da177e4SLinus Torvalds default y 25261da177e4SLinus Torvalds 25271da177e4SLinus Torvalds# 252820d60d99SMaciej W. Rozycki# CPU non-features 252920d60d99SMaciej W. Rozycki# 253020d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 253120d60d99SMaciej W. Rozycki bool 253220d60d99SMaciej W. Rozycki 253320d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 253420d60d99SMaciej W. Rozycki bool 253520d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 253620d60d99SMaciej W. Rozycki 253720d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 253820d60d99SMaciej W. Rozycki bool 253920d60d99SMaciej W. Rozycki 25404edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25414edf00a4SPaul Burton int 25424edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25434edf00a4SPaul Burton default 4 if CPU_R8000 25444edf00a4SPaul Burton default 0 25454edf00a4SPaul Burton 25464edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25474edf00a4SPaul Burton int 25482db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25494edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25504edf00a4SPaul Burton default 8 25514edf00a4SPaul Burton 25522db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25532db003a5SPaul Burton bool 25542db003a5SPaul Burton 25554a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25564a5dc51eSMarcin Nowakowski bool 25574a5dc51eSMarcin Nowakowski 255820d60d99SMaciej W. Rozycki# 25591da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25601da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25611da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25621da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25631da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25641da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25651da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25661da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2567797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2568797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2569797798c1SRalf Baechle# support. 25701da177e4SLinus Torvalds# 25711da177e4SLinus Torvaldsconfig HIGHMEM 25721da177e4SLinus Torvalds bool "High Memory Support" 2573a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2574797798c1SRalf Baechle 2575797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2576797798c1SRalf Baechle bool 2577797798c1SRalf Baechle 2578797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2579797798c1SRalf Baechle bool 25801da177e4SLinus Torvalds 25819693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25829693a853SFranck Bui-Huu bool 25839693a853SFranck Bui-Huu 2584a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2585a6a4834cSSteven J. Hill bool 2586a6a4834cSSteven J. Hill 2587377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2588377cb1b6SRalf Baechle bool 2589377cb1b6SRalf Baechle help 2590377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2591377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2592377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2593377cb1b6SRalf Baechle 2594a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2595a5e9a69eSPaul Burton bool 2596a5e9a69eSPaul Burton 2597b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2598b4819b59SYoichi Yuasa def_bool y 2599f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2600b4819b59SYoichi Yuasa 2601d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2602d8cb4e11SRalf Baechle bool 2603d8cb4e11SRalf Baechle default y if SGI_IP27 2604d8cb4e11SRalf Baechle help 26053dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2606d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2607d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2608ad56b738SMike Rapoport See <file:Documentation/vm/numa.rst> for more. 2609d8cb4e11SRalf Baechle 2610b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2611b1c6cd42SAtsushi Nemoto bool 26127de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 261331473747SAtsushi Nemoto 2614d8cb4e11SRalf Baechleconfig NUMA 2615d8cb4e11SRalf Baechle bool "NUMA Support" 2616d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2617d8cb4e11SRalf Baechle help 2618d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2619d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2620d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2621d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2622d8cb4e11SRalf Baechle disabled. 2623d8cb4e11SRalf Baechle 2624d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2625d8cb4e11SRalf Baechle bool 2626d8cb4e11SRalf Baechle 26278c530ea3SMatt Redfearnconfig RELOCATABLE 26288c530ea3SMatt Redfearn bool "Relocatable kernel" 26293ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26308c530ea3SMatt Redfearn help 26318c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26328c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26338c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26348c530ea3SMatt Redfearn but are discarded at runtime 26358c530ea3SMatt Redfearn 2636069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2637069fd766SMatt Redfearn hex "Relocation table size" 2638069fd766SMatt Redfearn depends on RELOCATABLE 2639069fd766SMatt Redfearn range 0x0 0x01000000 2640069fd766SMatt Redfearn default "0x00100000" 2641069fd766SMatt Redfearn ---help--- 2642069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2643069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2644069fd766SMatt Redfearn 2645069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2646069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2647069fd766SMatt Redfearn 2648069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2649069fd766SMatt Redfearn 2650069fd766SMatt Redfearn If unsure, leave at the default value. 2651069fd766SMatt Redfearn 2652405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2653405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2654405bc8fdSMatt Redfearn depends on RELOCATABLE 2655405bc8fdSMatt Redfearn ---help--- 2656405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2657405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2658405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2659405bc8fdSMatt Redfearn of kernel internals. 2660405bc8fdSMatt Redfearn 2661405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2662405bc8fdSMatt Redfearn 2663405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2664405bc8fdSMatt Redfearn 2665405bc8fdSMatt Redfearn If unsure, say N. 2666405bc8fdSMatt Redfearn 2667405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2668405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2669405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2670405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2671405bc8fdSMatt Redfearn range 0x0 0x08000000 2672405bc8fdSMatt Redfearn default "0x01000000" 2673405bc8fdSMatt Redfearn ---help--- 2674405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2675405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2676405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2677405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2678405bc8fdSMatt Redfearn 2679405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2680405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2681405bc8fdSMatt Redfearn 2682c80d79d7SYasunori Gotoconfig NODES_SHIFT 2683c80d79d7SYasunori Goto int 2684c80d79d7SYasunori Goto default "6" 2685c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2686c80d79d7SYasunori Goto 268714f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 268814f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 268923021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 269014f70012SDeng-Cheng Zhu default y 269114f70012SDeng-Cheng Zhu help 269214f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 269314f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 269414f70012SDeng-Cheng Zhu 26951da177e4SLinus Torvaldsconfig SMP 26961da177e4SLinus Torvalds bool "Multi-Processing support" 2697e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2698e73ea273SRalf Baechle help 26991da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27004a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27014a474157SRobert Graffham than one CPU, say Y. 27021da177e4SLinus Torvalds 27034a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27041da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27051da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27064a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27071da177e4SLinus Torvalds will run faster if you say N here. 27081da177e4SLinus Torvalds 27091da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27101da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27111da177e4SLinus Torvalds 271203502faaSAdrian Bunk See also the SMP-HOWTO available at 271303502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27141da177e4SLinus Torvalds 27151da177e4SLinus Torvalds If you don't know what to do here, say N. 27161da177e4SLinus Torvalds 27177840d618SMatt Redfearnconfig HOTPLUG_CPU 27187840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27197840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27207840d618SMatt Redfearn help 27217840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27227840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27237840d618SMatt Redfearn (Note: power management support will enable this option 27247840d618SMatt Redfearn automatically on SMP systems. ) 27257840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27267840d618SMatt Redfearn 272787353d8aSRalf Baechleconfig SMP_UP 272887353d8aSRalf Baechle bool 272987353d8aSRalf Baechle 27304a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27314a16ff4cSRalf Baechle bool 27324a16ff4cSRalf Baechle 27330ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27340ee958e1SPaul Burton bool 27350ee958e1SPaul Burton 2736e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2737e73ea273SRalf Baechle bool 2738e73ea273SRalf Baechle 2739130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2740130e2fb7SRalf Baechle bool 2741130e2fb7SRalf Baechle 2742130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2743130e2fb7SRalf Baechle bool 2744130e2fb7SRalf Baechle 2745130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2746130e2fb7SRalf Baechle bool 2747130e2fb7SRalf Baechle 2748130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2749130e2fb7SRalf Baechle bool 2750130e2fb7SRalf Baechle 2751130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2752130e2fb7SRalf Baechle bool 2753130e2fb7SRalf Baechle 27541da177e4SLinus Torvaldsconfig NR_CPUS 2755a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2756a91796a9SJayachandran C range 2 256 27571da177e4SLinus Torvalds depends on SMP 2758130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2759130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2760130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2761130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2762130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27631da177e4SLinus Torvalds help 27641da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27651da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27661da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 276772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 276872ede9b1SAtsushi Nemoto and 2 for all others. 27691da177e4SLinus Torvalds 27701da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 277172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 277272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 277372ede9b1SAtsushi Nemoto power of two. 27741da177e4SLinus Torvalds 2775399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2776399aaa25SAl Cooper bool 2777399aaa25SAl Cooper 27787820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 27797820b84bSDavid Daney bool 27807820b84bSDavid Daney 27817820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 27827820b84bSDavid Daney int 27837820b84bSDavid Daney depends on SMP 27847820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 27857820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 27867820b84bSDavid Daney 27871723b4a3SAtsushi Nemoto# 27881723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27891723b4a3SAtsushi Nemoto# 27901723b4a3SAtsushi Nemoto 27911723b4a3SAtsushi Nemotochoice 27921723b4a3SAtsushi Nemoto prompt "Timer frequency" 27931723b4a3SAtsushi Nemoto default HZ_250 27941723b4a3SAtsushi Nemoto help 27951723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27961723b4a3SAtsushi Nemoto 279767596573SPaul Burton config HZ_24 279867596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 279967596573SPaul Burton 28001723b4a3SAtsushi Nemoto config HZ_48 28010f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28021723b4a3SAtsushi Nemoto 28031723b4a3SAtsushi Nemoto config HZ_100 28041723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28051723b4a3SAtsushi Nemoto 28061723b4a3SAtsushi Nemoto config HZ_128 28071723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28081723b4a3SAtsushi Nemoto 28091723b4a3SAtsushi Nemoto config HZ_250 28101723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28111723b4a3SAtsushi Nemoto 28121723b4a3SAtsushi Nemoto config HZ_256 28131723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28141723b4a3SAtsushi Nemoto 28151723b4a3SAtsushi Nemoto config HZ_1000 28161723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28171723b4a3SAtsushi Nemoto 28181723b4a3SAtsushi Nemoto config HZ_1024 28191723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28201723b4a3SAtsushi Nemoto 28211723b4a3SAtsushi Nemotoendchoice 28221723b4a3SAtsushi Nemoto 282367596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 282467596573SPaul Burton bool 282567596573SPaul Burton 28261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28271723b4a3SAtsushi Nemoto bool 28281723b4a3SAtsushi Nemoto 28291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28301723b4a3SAtsushi Nemoto bool 28311723b4a3SAtsushi Nemoto 28321723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28331723b4a3SAtsushi Nemoto bool 28341723b4a3SAtsushi Nemoto 28351723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28361723b4a3SAtsushi Nemoto bool 28371723b4a3SAtsushi Nemoto 28381723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28391723b4a3SAtsushi Nemoto bool 28401723b4a3SAtsushi Nemoto 28411723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28421723b4a3SAtsushi Nemoto bool 28431723b4a3SAtsushi Nemoto 28441723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28451723b4a3SAtsushi Nemoto bool 28461723b4a3SAtsushi Nemoto 28471723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28481723b4a3SAtsushi Nemoto bool 284967596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 285067596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 285167596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 285267596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 285367596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 285467596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 285567596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28561723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28571723b4a3SAtsushi Nemoto 28581723b4a3SAtsushi Nemotoconfig HZ 28591723b4a3SAtsushi Nemoto int 286067596573SPaul Burton default 24 if HZ_24 28611723b4a3SAtsushi Nemoto default 48 if HZ_48 28621723b4a3SAtsushi Nemoto default 100 if HZ_100 28631723b4a3SAtsushi Nemoto default 128 if HZ_128 28641723b4a3SAtsushi Nemoto default 250 if HZ_250 28651723b4a3SAtsushi Nemoto default 256 if HZ_256 28661723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28671723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28681723b4a3SAtsushi Nemoto 286996685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 287096685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 287196685b17SDeng-Cheng Zhu 2872ea6e942bSAtsushi Nemotoconfig KEXEC 28737d60717eSKees Cook bool "Kexec system call" 28742965faa5SDave Young select KEXEC_CORE 2875ea6e942bSAtsushi Nemoto help 2876ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2877ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28783dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2879ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2880ea6e942bSAtsushi Nemoto 288101dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2882ea6e942bSAtsushi Nemoto 2883ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2884ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2885bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2886bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2887bf220695SGeert Uytterhoeven made. 2888ea6e942bSAtsushi Nemoto 28897aa1c8f4SRalf Baechleconfig CRASH_DUMP 28907aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28917aa1c8f4SRalf Baechle help 28927aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28937aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28947aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28957aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28967aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28977aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28987aa1c8f4SRalf Baechle PHYSICAL_START. 28997aa1c8f4SRalf Baechle 29007aa1c8f4SRalf Baechleconfig PHYSICAL_START 29017aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29028bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29037aa1c8f4SRalf Baechle depends on CRASH_DUMP 29047aa1c8f4SRalf Baechle help 29057aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29067aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29077aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29087aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29097aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29107aa1c8f4SRalf Baechle 2911ea6e942bSAtsushi Nemotoconfig SECCOMP 2912ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2913293c5bd1SRalf Baechle depends on PROC_FS 2914ea6e942bSAtsushi Nemoto default y 2915ea6e942bSAtsushi Nemoto help 2916ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2917ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2918ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2919ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2920ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2921ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2922ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2923ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2924ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2925ea6e942bSAtsushi Nemoto 2926ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2927ea6e942bSAtsushi Nemoto 2928597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2929b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2930597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2931597ce172SPaul Burton help 2932597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2933597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2934597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2935597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2936597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2937597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2938597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2939597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2940597ce172SPaul Burton saying N here. 2941597ce172SPaul Burton 294206e2e882SPaul Burton Although binutils currently supports use of this flag the details 294306e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 294406e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 294506e2e882SPaul Burton behaviour before the details have been finalised, this option should 294606e2e882SPaul Burton be considered experimental and only enabled by those working upon 294706e2e882SPaul Burton said details. 294806e2e882SPaul Burton 294906e2e882SPaul Burton If unsure, say N. 2950597ce172SPaul Burton 2951f2ffa5abSDezhong Diaoconfig USE_OF 29520b3e06fdSJonas Gorski bool 2953f2ffa5abSDezhong Diao select OF 2954e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2955abd2363fSGrant Likely select IRQ_DOMAIN 2956f2ffa5abSDezhong Diao 29572fe8ea39SDengcheng Zhuconfig UHI_BOOT 29582fe8ea39SDengcheng Zhu bool 29592fe8ea39SDengcheng Zhu 29607fafb068SAndrew Brestickerconfig BUILTIN_DTB 29617fafb068SAndrew Bresticker bool 29627fafb068SAndrew Bresticker 29631da8f179SJonas Gorskichoice 29645b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29651da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29661da8f179SJonas Gorski 29671da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29681da8f179SJonas Gorski bool "None" 29691da8f179SJonas Gorski help 29701da8f179SJonas Gorski Do not enable appended dtb support. 29711da8f179SJonas Gorski 297287db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 297387db537dSAaro Koskinen bool "vmlinux" 297487db537dSAaro Koskinen help 297587db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 297687db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 297787db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 297887db537dSAaro Koskinen objcopy: 297987db537dSAaro Koskinen 298087db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 298187db537dSAaro Koskinen 298287db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 298387db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 298487db537dSAaro Koskinen the documented boot protocol using a device tree. 298587db537dSAaro Koskinen 29861da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2987b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29881da8f179SJonas Gorski help 29891da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2990b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29911da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29921da8f179SJonas Gorski 29931da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29941da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29951da8f179SJonas Gorski the documented boot protocol using a device tree. 29961da8f179SJonas Gorski 29971da8f179SJonas Gorski Beware that there is very little in terms of protection against 29981da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29991da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30001da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30011da8f179SJonas Gorski if you don't intend to always append a DTB. 30021da8f179SJonas Gorskiendchoice 30031da8f179SJonas Gorski 30042024972eSJonas Gorskichoice 30052024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30062bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30073f5f0a44SPaul Burton !MIPS_MALTA && \ 30082bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30092024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30102024972eSJonas Gorski 30112024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30122024972eSJonas Gorski depends on USE_OF 30132024972eSJonas Gorski bool "Dtb kernel arguments if available" 30142024972eSJonas Gorski 30152024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30162024972eSJonas Gorski depends on USE_OF 30172024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30182024972eSJonas Gorski 30192024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30202024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3021ed47e153SRabin Vincent 3022ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3023ed47e153SRabin Vincent depends on CMDLINE_BOOL 3024ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30252024972eSJonas Gorskiendchoice 30262024972eSJonas Gorski 30275e83d430SRalf Baechleendmenu 30285e83d430SRalf Baechle 30291df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30301df0f0ffSAtsushi Nemoto bool 30311df0f0ffSAtsushi Nemoto default y 30321df0f0ffSAtsushi Nemoto 30331df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30341df0f0ffSAtsushi Nemoto bool 30351df0f0ffSAtsushi Nemoto default y 30361df0f0ffSAtsushi Nemoto 3037e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 3038e1e16115SAaro Koskinen bool 3039e1e16115SAaro Koskinen default y 3040e1e16115SAaro Koskinen 3041a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3042a728ab52SKirill A. Shutemov int 30433377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3044a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3045a728ab52SKirill A. Shutemov default 2 3046a728ab52SKirill A. Shutemov 30476c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30486c359eb1SPaul Burton bool 30496c359eb1SPaul Burton 30501da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30511da177e4SLinus Torvalds 30525e83d430SRalf Baechleconfig HW_HAS_EISA 30535e83d430SRalf Baechle bool 30541da177e4SLinus Torvaldsconfig HW_HAS_PCI 30551da177e4SLinus Torvalds bool 30561da177e4SLinus Torvalds 30571da177e4SLinus Torvaldsconfig PCI 30581da177e4SLinus Torvalds bool "Support for PCI controller" 30591da177e4SLinus Torvalds depends on HW_HAS_PCI 3060abb4ae46SRalf Baechle select PCI_DOMAINS 30611da177e4SLinus Torvalds help 30621da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30631da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30641da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30651da177e4SLinus Torvalds say Y, otherwise N. 30661da177e4SLinus Torvalds 30670e476d91SHuacai Chenconfig HT_PCI 30680e476d91SHuacai Chen bool "Support for HT-linked PCI" 30690e476d91SHuacai Chen default y 30700e476d91SHuacai Chen depends on CPU_LOONGSON3 30710e476d91SHuacai Chen select PCI 30720e476d91SHuacai Chen select PCI_DOMAINS 30730e476d91SHuacai Chen help 30740e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30750e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30760e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30770e476d91SHuacai Chen 30781da177e4SLinus Torvaldsconfig PCI_DOMAINS 30791da177e4SLinus Torvalds bool 30801da177e4SLinus Torvalds 308188555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 308288555b48SPaul Burton bool 308388555b48SPaul Burton 3084c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 308587dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3086c5611df9SPaul Burton bool 3087c5611df9SPaul Burton 3088c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3089c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3090c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3091c5611df9SPaul Burton 30921da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 30931da177e4SLinus Torvalds 30941da177e4SLinus Torvalds# 30951da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30961da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30971da177e4SLinus Torvalds# users to choose the right thing ... 30981da177e4SLinus Torvalds# 30991da177e4SLinus Torvaldsconfig ISA 31001da177e4SLinus Torvalds bool 31011da177e4SLinus Torvalds 31021da177e4SLinus Torvaldsconfig EISA 31031da177e4SLinus Torvalds bool "EISA support" 31045e83d430SRalf Baechle depends on HW_HAS_EISA 31051da177e4SLinus Torvalds select ISA 3106aa414dffSRalf Baechle select GENERIC_ISA_DMA 31071da177e4SLinus Torvalds ---help--- 31081da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 31091da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 31101da177e4SLinus Torvalds 31111da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 31121da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 31131da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 31141da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 31151da177e4SLinus Torvalds 31161da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 31171da177e4SLinus Torvalds 31181da177e4SLinus Torvalds Otherwise, say N. 31191da177e4SLinus Torvalds 31201da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 31211da177e4SLinus Torvalds 31221da177e4SLinus Torvaldsconfig TC 31231da177e4SLinus Torvalds bool "TURBOchannel support" 31241da177e4SLinus Torvalds depends on MACH_DECSTATION 31251da177e4SLinus Torvalds help 312650a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 312750a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 312850a23e6eSJustin P. Mattock at: 312950a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 313050a23e6eSJustin P. Mattock and: 313150a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 313250a23e6eSJustin P. Mattock Linux driver support status is documented at: 313350a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31341da177e4SLinus Torvalds 31351da177e4SLinus Torvaldsconfig MMU 31361da177e4SLinus Torvalds bool 31371da177e4SLinus Torvalds default y 31381da177e4SLinus Torvalds 3139109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3140109c32ffSMatt Redfearn default 12 if 64BIT 3141109c32ffSMatt Redfearn default 8 3142109c32ffSMatt Redfearn 3143109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3144109c32ffSMatt Redfearn default 18 if 64BIT 3145109c32ffSMatt Redfearn default 15 3146109c32ffSMatt Redfearn 3147109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3148109c32ffSMatt Redfearn default 8 3149109c32ffSMatt Redfearn 3150109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3151109c32ffSMatt Redfearn default 15 3152109c32ffSMatt Redfearn 3153d865bea4SRalf Baechleconfig I8253 3154d865bea4SRalf Baechle bool 3155798778b8SRussell King select CLKSRC_I8253 31562d02612fSThomas Gleixner select CLKEVT_I8253 31579726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3158d865bea4SRalf Baechle 3159e05eb3f8SRalf Baechleconfig ZONE_DMA 3160e05eb3f8SRalf Baechle bool 3161e05eb3f8SRalf Baechle 3162cce335aeSRalf Baechleconfig ZONE_DMA32 3163cce335aeSRalf Baechle bool 3164cce335aeSRalf Baechle 31651da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 31661da177e4SLinus Torvalds 3167fc5d9888SAlexander Sverdlinconfig HAS_RAPIDIO 3168fc5d9888SAlexander Sverdlin bool 3169fc5d9888SAlexander Sverdlin default n 3170fc5d9888SAlexander Sverdlin 3171388b78adSAlexandre Bounineconfig RAPIDIO 317256abde72SAlexandre Bounine tristate "RapidIO support" 3173fc5d9888SAlexander Sverdlin depends on HAS_RAPIDIO || PCI 3174388b78adSAlexandre Bounine help 3175388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3176388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3177388b78adSAlexandre Bounine 3178388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3179388b78adSAlexandre Bounine 31801da177e4SLinus Torvaldsendmenu 31811da177e4SLinus Torvalds 31821da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31831da177e4SLinus Torvalds bool 31841da177e4SLinus Torvalds 31851da177e4SLinus Torvaldsconfig MIPS32_COMPAT 318678aaf956SRalf Baechle bool 31871da177e4SLinus Torvalds 31881da177e4SLinus Torvaldsconfig COMPAT 31891da177e4SLinus Torvalds bool 31901da177e4SLinus Torvalds 319105e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 319205e43966SAtsushi Nemoto bool 319305e43966SAtsushi Nemoto 31941da177e4SLinus Torvaldsconfig MIPS32_O32 31951da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 319678aaf956SRalf Baechle depends on 64BIT 319778aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 319878aaf956SRalf Baechle select COMPAT 319978aaf956SRalf Baechle select MIPS32_COMPAT 320078aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32011da177e4SLinus Torvalds help 32021da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 32031da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 32041da177e4SLinus Torvalds existing binaries are in this format. 32051da177e4SLinus Torvalds 32061da177e4SLinus Torvalds If unsure, say Y. 32071da177e4SLinus Torvalds 32081da177e4SLinus Torvaldsconfig MIPS32_N32 32091da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3210c22eacfeSRalf Baechle depends on 64BIT 321178aaf956SRalf Baechle select COMPAT 321278aaf956SRalf Baechle select MIPS32_COMPAT 321378aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 32141da177e4SLinus Torvalds help 32151da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 32161da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 32171da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 32181da177e4SLinus Torvalds cases. 32191da177e4SLinus Torvalds 32201da177e4SLinus Torvalds If unsure, say N. 32211da177e4SLinus Torvalds 32221da177e4SLinus Torvaldsconfig BINFMT_ELF32 32231da177e4SLinus Torvalds bool 32241da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3225f43edca7SRalf Baechle select ELFCORE 32261da177e4SLinus Torvalds 32272116245eSRalf Baechlemenu "Power management options" 3228952fa954SRodolfo Giometti 3229363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3230363c55caSWu Zhangjin def_bool y 32313f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3232363c55caSWu Zhangjin 3233f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3234f4cb5700SJohannes Berg def_bool y 32353f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3236f4cb5700SJohannes Berg 32372116245eSRalf Baechlesource "kernel/power/Kconfig" 3238952fa954SRodolfo Giometti 32391da177e4SLinus Torvaldsendmenu 32401da177e4SLinus Torvalds 32417a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 32427a998935SViresh Kumar bool 32437a998935SViresh Kumar 32447a998935SViresh Kumarmenu "CPU Power Management" 3245c095ebafSPaul Burton 3246c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32477a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32487a998935SViresh Kumarendif 32499726b43aSWu Zhangjin 3250c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3251c095ebafSPaul Burton 3252c095ebafSPaul Burtonendmenu 3253c095ebafSPaul Burton 325498cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 325598cdee0eSRalf Baechle 32562235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3257