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 101e35918aSHassan Naveed select ARCH_HAS_UBSAN_SANITIZE_ALL 1112597988SMatt Redfearn select ARCH_SUPPORTS_UPROBES 121ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 1312597988SMatt Redfearn select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 1425da4e9dSPaul Burton select ARCH_USE_QUEUED_RWLOCKS 150b17c967SPaul Burton select ARCH_USE_QUEUED_SPINLOCKS 1612597988SMatt Redfearn select ARCH_WANT_IPC_PARSE_VERSION 1712597988SMatt Redfearn select BUILDTIME_EXTABLE_SORT 1812597988SMatt Redfearn select CLONE_BACKWARDS 1957eeacedSPaul Burton select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1) 2012597988SMatt Redfearn select CPU_PM if CPU_IDLE 2112597988SMatt Redfearn select GENERIC_ATOMIC64 if !64BIT 2212597988SMatt Redfearn select GENERIC_CLOCKEVENTS 2312597988SMatt Redfearn select GENERIC_CMOS_UPDATE 2412597988SMatt Redfearn select GENERIC_CPU_AUTOPROBE 25b962aeb0SPaul Burton select GENERIC_IOMAP 2612597988SMatt Redfearn select GENERIC_IRQ_PROBE 2712597988SMatt Redfearn select GENERIC_IRQ_SHOW 286630a8e5SChristoph Hellwig select GENERIC_ISA_DMA if EISA 29740129b3SAntony Pavlov select GENERIC_LIB_ASHLDI3 30740129b3SAntony Pavlov select GENERIC_LIB_ASHRDI3 31740129b3SAntony Pavlov select GENERIC_LIB_CMPDI2 32740129b3SAntony Pavlov select GENERIC_LIB_LSHRDI3 33740129b3SAntony Pavlov select GENERIC_LIB_UCMPDI2 3412597988SMatt Redfearn select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 3512597988SMatt Redfearn select GENERIC_SMP_IDLE_THREAD 3612597988SMatt Redfearn select GENERIC_TIME_VSYSCALL 3712597988SMatt Redfearn select HANDLE_DOMAIN_IRQ 38906d441fSPaul Burton select HAVE_ARCH_COMPILER_H 3912597988SMatt Redfearn select HAVE_ARCH_JUMP_LABEL 4088547001SJason Wessel select HAVE_ARCH_KGDB 41109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_BITS if MMU 42109c32ffSMatt Redfearn select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT 43490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 44c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 4512597988SMatt Redfearn select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 46f381bf6dSDavid Daney select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS) 47f381bf6dSDavid Daney select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS) 4812597988SMatt Redfearn select HAVE_CONTEXT_TRACKING 4912597988SMatt Redfearn select HAVE_COPY_THREAD_TLS 5064575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 5112597988SMatt Redfearn select HAVE_DEBUG_KMEMLEAK 5212597988SMatt Redfearn select HAVE_DEBUG_STACKOVERFLOW 5312597988SMatt Redfearn select HAVE_DMA_CONTIGUOUS 5412597988SMatt Redfearn select HAVE_DYNAMIC_FTRACE 5512597988SMatt Redfearn select HAVE_EXIT_THREAD 5612597988SMatt Redfearn select HAVE_FTRACE_MCOUNT_RECORD 5729c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 5812597988SMatt Redfearn select HAVE_FUNCTION_TRACER 5912597988SMatt Redfearn select HAVE_GENERIC_DMA_COHERENT 6012597988SMatt Redfearn select HAVE_IDE 61b3a428b4SHassan Naveed select HAVE_IOREMAP_PROT 6212597988SMatt Redfearn select HAVE_IRQ_EXIT_ON_IRQ_STACK 6312597988SMatt Redfearn select HAVE_IRQ_TIME_ACCOUNTING 64c1bf207dSDavid Daney select HAVE_KPROBES 65c1bf207dSDavid Daney select HAVE_KRETPROBES 66c0436b50SPaul Burton select HAVE_LD_DEAD_CODE_DATA_ELIMINATION 679d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 68786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 6942a0bb3fSPetr Mladek select HAVE_NMI 7012597988SMatt Redfearn select HAVE_OPROFILE 7112597988SMatt Redfearn select HAVE_PERF_EVENTS 7208bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 739ea141adSPaul Burton select HAVE_RSEQ 74d148eac0SMasahiro Yamada select HAVE_STACKPROTECTOR 7512597988SMatt Redfearn select HAVE_SYSCALL_TRACEPOINTS 76a3f14310SBen Hutchings select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP 7712597988SMatt Redfearn select IRQ_FORCED_THREADING 786630a8e5SChristoph Hellwig select ISA if EISA 7912597988SMatt Redfearn select MODULES_USE_ELF_RELA if MODULES && 64BIT 8012597988SMatt Redfearn select MODULES_USE_ELF_REL if MODULES 8112597988SMatt Redfearn select PERF_USE_VMALLOC 8205a0a344SArnd Bergmann select RTC_LIB 8312597988SMatt Redfearn select SYSCTL_EXCEPTION_TRACE 8412597988SMatt Redfearn select VIRT_TO_BUS 851da177e4SLinus Torvalds 861da177e4SLinus Torvaldsmenu "Machine selection" 871da177e4SLinus Torvalds 885e83d430SRalf Baechlechoice 895e83d430SRalf Baechle prompt "System type" 90d41e6858SMatt Redfearn default MIPS_GENERIC 911da177e4SLinus Torvalds 92eed0eabdSPaul Burtonconfig MIPS_GENERIC 93eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 94eed0eabdSPaul Burton select BOOT_RAW 95eed0eabdSPaul Burton select BUILTIN_DTB 96eed0eabdSPaul Burton select CEVT_R4K 97eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 98eed0eabdSPaul Burton select COMMON_CLK 99eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 100eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 101eed0eabdSPaul Burton select CSRC_R4K 102eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 103eb01d42aSChristoph Hellwig select HAVE_PCI 104eed0eabdSPaul Burton select IRQ_MIPS_CPU 105eed0eabdSPaul Burton select LIBFDT 1060211d49eSPaul Burton select MIPS_AUTO_PFN_OFFSET 107eed0eabdSPaul Burton select MIPS_CPU_SCACHE 108eed0eabdSPaul Burton select MIPS_GIC 109eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 110eed0eabdSPaul Burton select NO_EXCEPT_FILL 111eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 112eed0eabdSPaul Burton select PINCTRL 113eed0eabdSPaul Burton select SMP_UP if SMP 114a3078e59SMatt Redfearn select SWAP_IO_SPACE 115eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 116eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 117eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 118eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 119eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 120eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 121eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 122eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 123eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 124eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 125eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 126eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 127eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 128eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 129eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 130eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 131eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 1322e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1332e6522c5SCorentin Labbe select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1342e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1352e6522c5SCorentin Labbe select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1362e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 1372e6522c5SCorentin Labbe select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 138eed0eabdSPaul Burton select USE_OF 1392fe8ea39SDengcheng Zhu select UHI_BOOT 140eed0eabdSPaul Burton help 141eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 142eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 143eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 144eed0eabdSPaul Burton Interface) specification. 145eed0eabdSPaul Burton 14642a4f17dSManuel Laussconfig MIPS_ALCHEMY 147c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 148d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 149f772cdb2SRalf Baechle select CEVT_R4K 150d7ea335cSSteven J. Hill select CSRC_R4K 15167e38cf2SRalf Baechle select IRQ_MIPS_CPU 15288e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 15342a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 15442a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 15542a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 156d30a2b47SLinus Walleij select GPIOLIB 1571b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 15847440229SManuel Lauss select COMMON_CLK 1591da177e4SLinus Torvalds 1607ca5dc14SFlorian Fainelliconfig AR7 1617ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1627ca5dc14SFlorian Fainelli select BOOT_ELF32 1637ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1647ca5dc14SFlorian Fainelli select CEVT_R4K 1657ca5dc14SFlorian Fainelli select CSRC_R4K 16667e38cf2SRalf Baechle select IRQ_MIPS_CPU 1677ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1687ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1697ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1707ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1717ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1727ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 173377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1741b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 175d30a2b47SLinus Walleij select GPIOLIB 1767ca5dc14SFlorian Fainelli select VLYNQ 1778551fb64SYoichi Yuasa select HAVE_CLK 1787ca5dc14SFlorian Fainelli help 1797ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1807ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1817ca5dc14SFlorian Fainelli 18243cc739fSSergey Ryazanovconfig ATH25 18343cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 18443cc739fSSergey Ryazanov select CEVT_R4K 18543cc739fSSergey Ryazanov select CSRC_R4K 18643cc739fSSergey Ryazanov select DMA_NONCOHERENT 18767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1881753e74eSSergey Ryazanov select IRQ_DOMAIN 18943cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 19043cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 19143cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1928aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 19343cc739fSSergey Ryazanov help 19443cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 19543cc739fSSergey Ryazanov 196d4a67d9dSGabor Juhosconfig ATH79 197d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 198ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 199d4a67d9dSGabor Juhos select BOOT_RAW 200d4a67d9dSGabor Juhos select CEVT_R4K 201d4a67d9dSGabor Juhos select CSRC_R4K 202d4a67d9dSGabor Juhos select DMA_NONCOHERENT 203d30a2b47SLinus Walleij select GPIOLIB 204a08227a2SJohn Crispin select PINCTRL 20594638067SGabor Juhos select HAVE_CLK 206411520afSAlban Bedel select COMMON_CLK 2072c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 20867e38cf2SRalf Baechle select IRQ_MIPS_CPU 209d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 210d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 211d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 212d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 213377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 214b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 21503c8c407SAlban Bedel select USE_OF 21653d473fcSAlban Bedel select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM 217d4a67d9dSGabor Juhos help 218d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 219d4a67d9dSGabor Juhos 2205f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2215f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 222d59098a0SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL 223d59098a0SChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 224d666cd02SKevin Cernekee select BOOT_RAW 225d666cd02SKevin Cernekee select NO_EXCEPT_FILL 226d666cd02SKevin Cernekee select USE_OF 227d666cd02SKevin Cernekee select CEVT_R4K 228d666cd02SKevin Cernekee select CSRC_R4K 229d666cd02SKevin Cernekee select SYNC_R4K 230d666cd02SKevin Cernekee select COMMON_CLK 231c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 23260b858f2SKevin Cernekee select BCM7038_L1_IRQ 23360b858f2SKevin Cernekee select BCM7120_L2_IRQ 23460b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 23567e38cf2SRalf Baechle select IRQ_MIPS_CPU 23660b858f2SKevin Cernekee select DMA_NONCOHERENT 237d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 23860b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 239d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 240d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 24160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 24260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 24360b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 244d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 245d666cd02SKevin Cernekee select SWAP_IO_SPACE 24660b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24760b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 24860b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 24960b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 2504dc4704cSJustin Chen select HARDIRQS_SW_RESEND 251d666cd02SKevin Cernekee help 2525f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2535f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2545f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2555f2d4459SKevin Cernekee must be set appropriately for your board. 256d666cd02SKevin Cernekee 2571c0c13ebSAurelien Jarnoconfig BCM47XX 258c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 259fe08f8c2SHauke Mehrtens select BOOT_RAW 26042f77542SRalf Baechle select CEVT_R4K 261940f6b48SRalf Baechle select CSRC_R4K 2621c0c13ebSAurelien Jarno select DMA_NONCOHERENT 263eb01d42aSChristoph Hellwig select HAVE_PCI 26467e38cf2SRalf Baechle select IRQ_MIPS_CPU 265314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 266dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2671c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2681c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 269377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 2706507831fSAaro Koskinen select SYS_SUPPORTS_ZBOOT 27125e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 272e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 273c949c0bcSRafał Miłecki select GPIOLIB 274c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 275f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2762ab71a02SRafał Miłecki select BCM47XX_SPROM 277dfe00495SMatt Redfearn select BCM47XX_SSB if !BCM47XX_BCMA 2781c0c13ebSAurelien Jarno help 2791c0c13ebSAurelien Jarno Support for BCM47XX based boards 2801c0c13ebSAurelien Jarno 281e7300d04SMaxime Bizonconfig BCM63XX 282e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 283ae8de61cSFlorian Fainelli select BOOT_RAW 284e7300d04SMaxime Bizon select CEVT_R4K 285e7300d04SMaxime Bizon select CSRC_R4K 286fc264022SJonas Gorski select SYNC_R4K 287e7300d04SMaxime Bizon select DMA_NONCOHERENT 28867e38cf2SRalf Baechle select IRQ_MIPS_CPU 289e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 290e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 291e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 292e7300d04SMaxime Bizon select SWAP_IO_SPACE 293d30a2b47SLinus Walleij select GPIOLIB 2943e82eeebSYoichi Yuasa select HAVE_CLK 295af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 296c5af3c2dSJonas Gorski select CLKDEV_LOOKUP 297e7300d04SMaxime Bizon help 298e7300d04SMaxime Bizon Support for BCM63XX based boards 299e7300d04SMaxime Bizon 3001da177e4SLinus Torvaldsconfig MIPS_COBALT 3013fa986faSMartin Michlmayr bool "Cobalt Server" 30242f77542SRalf Baechle select CEVT_R4K 303940f6b48SRalf Baechle select CSRC_R4K 3041097c6acSYoichi Yuasa select CEVT_GT641XX 3051da177e4SLinus Torvalds select DMA_NONCOHERENT 306eb01d42aSChristoph Hellwig select FORCE_PCI 307d865bea4SRalf Baechle select I8253 3081da177e4SLinus Torvalds select I8259 30967e38cf2SRalf Baechle select IRQ_MIPS_CPU 310d5ab1a69SYoichi Yuasa select IRQ_GT641XX 311252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 3127cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 3130a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 314ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3150e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 3165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 317e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 3181da177e4SLinus Torvalds 3191da177e4SLinus Torvaldsconfig MACH_DECSTATION 3203fa986faSMartin Michlmayr bool "DECstations" 3211da177e4SLinus Torvalds select BOOT_ELF32 3226457d9fcSYoichi Yuasa select CEVT_DS1287 32381d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 3244247417dSYoichi Yuasa select CSRC_IOASIC 32581d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 32620d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 32720d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 32820d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3291da177e4SLinus Torvalds select DMA_NONCOHERENT 330ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 33167e38cf2SRalf Baechle select IRQ_MIPS_CPU 3327cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3337cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 334ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3357d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3365e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3371723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3381723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3391723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 340930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3415e83d430SRalf Baechle help 3421da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3431da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3441da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3471da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds DECstation 5000/50 3501da177e4SLinus Torvalds DECstation 5000/150 3511da177e4SLinus Torvalds DECstation 5000/260 3521da177e4SLinus Torvalds DECsystem 5900/260 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds otherwise choose R3000. 3551da177e4SLinus Torvalds 3565e83d430SRalf Baechleconfig MACH_JAZZ 3573fa986faSMartin Michlmayr bool "Jazz family of machines" 358a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 3597a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 3600e2794b0SRalf Baechle select FW_ARC 3610e2794b0SRalf Baechle select FW_ARC32 3625e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 36342f77542SRalf Baechle select CEVT_R4K 364940f6b48SRalf Baechle select CSRC_R4K 365e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3665e83d430SRalf Baechle select GENERIC_ISA_DMA 3678a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 36867e38cf2SRalf Baechle select IRQ_MIPS_CPU 369d865bea4SRalf Baechle select I8253 3705e83d430SRalf Baechle select I8259 3715e83d430SRalf Baechle select ISA 3727cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3735e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3747d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3751723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3761da177e4SLinus Torvalds help 3775e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3785e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 379692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3805e83d430SRalf Baechle Olivetti M700-10 workstations. 3815e83d430SRalf Baechle 382de361e8bSPaul Burtonconfig MACH_INGENIC 383de361e8bSPaul Burton bool "Ingenic SoC based machines" 3845ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3855ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 386f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3875ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 38867e38cf2SRalf Baechle select IRQ_MIPS_CPU 38937b4c3caSPaul Cercueil select PINCTRL 390d30a2b47SLinus Walleij select GPIOLIB 391ff1930c6SPaul Burton select COMMON_CLK 39283bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 393ffb1843dSPaul Burton select BUILTIN_DTB 394ffb1843dSPaul Burton select USE_OF 3956ec127fbSPaul Burton select LIBFDT 3965ebabe59SLars-Peter Clausen 397171bb2f1SJohn Crispinconfig LANTIQ 398171bb2f1SJohn Crispin bool "Lantiq based platforms" 399171bb2f1SJohn Crispin select DMA_NONCOHERENT 40067e38cf2SRalf Baechle select IRQ_MIPS_CPU 401171bb2f1SJohn Crispin select CEVT_R4K 402171bb2f1SJohn Crispin select CSRC_R4K 403171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 404171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 405171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 406171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 407377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 408171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 409f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 410171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 411d30a2b47SLinus Walleij select GPIOLIB 412171bb2f1SJohn Crispin select SWAP_IO_SPACE 413171bb2f1SJohn Crispin select BOOT_RAW 414287e3f3fSJohn Crispin select CLKDEV_LOOKUP 415a0392222SJohn Crispin select USE_OF 4163f8c50c9SJohn Crispin select PINCTRL 4173f8c50c9SJohn Crispin select PINCTRL_LANTIQ 418c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 419c530781cSJohn Crispin select RESET_CONTROLLER 420171bb2f1SJohn Crispin 4211f21d2bdSBrian Murphyconfig LASAT 4221f21d2bdSBrian Murphy bool "LASAT Networks platforms" 42342f77542SRalf Baechle select CEVT_R4K 42416f0bbbcSRalf Baechle select CRC32 425940f6b48SRalf Baechle select CSRC_R4K 4261f21d2bdSBrian Murphy select DMA_NONCOHERENT 4271f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 428eb01d42aSChristoph Hellwig select HAVE_PCI 42967e38cf2SRalf Baechle select IRQ_MIPS_CPU 4301f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4311f21d2bdSBrian Murphy select MIPS_NILE4 4321f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4331f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4341f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4351f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4361f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4371f21d2bdSBrian Murphy 43830ad29bbSHuacai Chenconfig MACH_LOONGSON32 43930ad29bbSHuacai Chen bool "Loongson-1 family of machines" 440c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 441ade299d8SYoichi Yuasa help 44230ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 44385749d24SWu Zhangjin 44430ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 44530ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 44630ad29bbSHuacai Chen Sciences (CAS). 447ade299d8SYoichi Yuasa 44830ad29bbSHuacai Chenconfig MACH_LOONGSON64 44930ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 450ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 451ca585cf9SKelvin Cheung help 45230ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 453ca585cf9SKelvin Cheung 45430ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 45530ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 45630ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 45730ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 45830ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 45930ad29bbSHuacai Chen Weiwu Hu. 460ca585cf9SKelvin Cheung 4616a438309SAndrew Brestickerconfig MACH_PISTACHIO 4626a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4636a438309SAndrew Bresticker select BOOT_ELF32 4646a438309SAndrew Bresticker select BOOT_RAW 4656a438309SAndrew Bresticker select CEVT_R4K 4666a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4676a438309SAndrew Bresticker select COMMON_CLK 4686a438309SAndrew Bresticker select CSRC_R4K 469645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 470d30a2b47SLinus Walleij select GPIOLIB 47167e38cf2SRalf Baechle select IRQ_MIPS_CPU 4726a438309SAndrew Bresticker select LIBFDT 4736a438309SAndrew Bresticker select MFD_SYSCON 4746a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4756a438309SAndrew Bresticker select MIPS_GIC 4766a438309SAndrew Bresticker select PINCTRL 4776a438309SAndrew Bresticker select REGULATOR 4786a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4796a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4806a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4816a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4826a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 48341cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4846a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 485018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 486018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4876a438309SAndrew Bresticker select USE_OF 4886a438309SAndrew Bresticker help 4896a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4906a438309SAndrew Bresticker 4911da177e4SLinus Torvaldsconfig MIPS_MALTA 4923fa986faSMartin Michlmayr bool "MIPS Malta board" 49361ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 494a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 4957a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 4961da177e4SLinus Torvalds select BOOT_ELF32 497fa71c960SRalf Baechle select BOOT_RAW 498e8823d26SPaul Burton select BUILTIN_DTB 49942f77542SRalf Baechle select CEVT_R4K 500fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 50142b002abSGuenter Roeck select COMMON_CLK 50247bf2b03SMaksym Kokhan select CSRC_R4K 503885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 5041da177e4SLinus Torvalds select GENERIC_ISA_DMA 5058a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 506eb01d42aSChristoph Hellwig select HAVE_PCI 507d865bea4SRalf Baechle select I8253 5081da177e4SLinus Torvalds select I8259 50947bf2b03SMaksym Kokhan select IRQ_MIPS_CPU 51047bf2b03SMaksym Kokhan select LIBFDT 5115e83d430SRalf Baechle select MIPS_BONITO64 5129318c51aSChris Dearman select MIPS_CPU_SCACHE 51347bf2b03SMaksym Kokhan select MIPS_GIC 514a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 5155e83d430SRalf Baechle select MIPS_MSC 51647bf2b03SMaksym Kokhan select PCI_GT64XXX_PCI0 517ecafe3e9SPaul Burton select SMP_UP if SMP 5181da177e4SLinus Torvalds select SWAP_IO_SPACE 5197cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5207cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 521bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 522c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 523575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5247cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5255d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 526575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5277cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5287cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 529ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 530ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5315e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 532c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5335e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 534424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 53547bf2b03SMaksym Kokhan select SYS_SUPPORTS_MIPS16 5360365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 537e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 538f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 53947bf2b03SMaksym Kokhan select SYS_SUPPORTS_RELOCATABLE 5409693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 541f35764e7SJames Hogan select SYS_SUPPORTS_VPE_LOADER 5421b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 543e8823d26SPaul Burton select USE_OF 544abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 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 560eb01d42aSChristoph Hellwig select HAVE_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 6376630a8e5SChristoph Hellwig select HAVE_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 677eb01d42aSChristoph Hellwig select HAVE_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 7026630a8e5SChristoph Hellwig select HAVE_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 737eb01d42aSChristoph Hellwig select HAVE_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 798e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 799ade299d8SYoichi Yuasa 800ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 801ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 802ade299d8SYoichi Yuasa select BOOT_ELF32 803fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 804ade299d8SYoichi Yuasa select SIBYTE_SB1250 805ade299d8SYoichi Yuasa select SWAP_IO_SPACE 806ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 807ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 808ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 809ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 810756d6d83SMaciej W. Rozycki select ZONE_DMA32 if 64BIT 811ade299d8SYoichi Yuasa 812ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 813ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 814ade299d8SYoichi Yuasa select BOOT_ELF32 815ade299d8SYoichi Yuasa select SIBYTE_SB1250 816ade299d8SYoichi Yuasa select SWAP_IO_SPACE 817ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 818ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 819ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 820e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 821ade299d8SYoichi Yuasa 822ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 823ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 824ade299d8SYoichi Yuasa select BOOT_ELF32 825ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 826ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 827ade299d8SYoichi Yuasa select SWAP_IO_SPACE 828ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 829ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 830651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 831ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 832cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 833e4849affSMaciej W. Rozycki select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI 834ade299d8SYoichi Yuasa 83514b36af4SThomas Bogendoerferconfig SNI_RM 83614b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8370e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8380e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 839aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8405e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 841a211a082SRalf Baechle select ARCH_MIGHT_HAVE_PC_PARPORT 8427a407aa5SRalf Baechle select ARCH_MIGHT_HAVE_PC_SERIO 8435e83d430SRalf Baechle select BOOT_ELF32 84442f77542SRalf Baechle select CEVT_R4K 845940f6b48SRalf Baechle select CSRC_R4K 846e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8475e83d430SRalf Baechle select DMA_NONCOHERENT 8485e83d430SRalf Baechle select GENERIC_ISA_DMA 8496630a8e5SChristoph Hellwig select HAVE_EISA 8508a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 851eb01d42aSChristoph Hellwig select HAVE_PCI 85267e38cf2SRalf Baechle select IRQ_MIPS_CPU 853d865bea4SRalf Baechle select I8253 8545e83d430SRalf Baechle select I8259 8555e83d430SRalf Baechle select ISA 8564a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8577cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8584a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 859c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8604a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 86136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 862ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8637d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8644a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8655e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8665e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8671da177e4SLinus Torvalds help 86814b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86914b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8705e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8715e83d430SRalf Baechle support this machine type. 8721da177e4SLinus Torvalds 873edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 874edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8755e83d430SRalf Baechle 876edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 877edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 87823fbee9dSRalf Baechle 87973b4390fSRalf Baechleconfig MIKROTIK_RB532 88073b4390fSRalf Baechle bool "Mikrotik RB532 boards" 88173b4390fSRalf Baechle select CEVT_R4K 88273b4390fSRalf Baechle select CSRC_R4K 88373b4390fSRalf Baechle select DMA_NONCOHERENT 884eb01d42aSChristoph Hellwig select HAVE_PCI 88567e38cf2SRalf Baechle select IRQ_MIPS_CPU 88673b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 88773b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 88873b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88973b4390fSRalf Baechle select SWAP_IO_SPACE 89073b4390fSRalf Baechle select BOOT_RAW 891d30a2b47SLinus Walleij select GPIOLIB 892930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 89373b4390fSRalf Baechle help 89473b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 89573b4390fSRalf Baechle based on the IDT RC32434 SoC. 89673b4390fSRalf Baechle 8979ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8989ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 899a86c7f72SDavid Daney select CEVT_R4K 900ea8c64acSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 9011753d50cSChristoph Hellwig select HAVE_RAPIDIO 902d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 903a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 904a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 905f65aad41SRalf Baechle select EDAC_SUPPORT 906b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 90773569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 90873569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 909a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9105e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 911eb01d42aSChristoph Hellwig select HAVE_PCI 912f00e001eSDavid Daney select ZONE_DMA32 913465aaed0SDavid Daney select HOLES_IN_ZONE 914d30a2b47SLinus Walleij select GPIOLIB 9156e511163SDavid Daney select LIBFDT 9166e511163SDavid Daney select USE_OF 9176e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9186e511163SDavid Daney select SYS_SUPPORTS_SMP 9197820b84bSDavid Daney select NR_CPUS_DEFAULT_64 9207820b84bSDavid Daney select MIPS_NR_CPU_NR_MAP_1024 921e326479fSAndrew Bresticker select BUILTIN_DTB 9228c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 92309230cbcSChristoph Hellwig select SWIOTLB 9243ff72be4SSteven J. Hill select SYS_SUPPORTS_RELOCATABLE 925a86c7f72SDavid Daney help 926a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 927a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 928a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 929a86c7f72SDavid Daney Some of the supported boards are: 930a86c7f72SDavid Daney EBT3000 931a86c7f72SDavid Daney EBH3000 932a86c7f72SDavid Daney EBH3100 933a86c7f72SDavid Daney Thunder 934a86c7f72SDavid Daney Kodama 935a86c7f72SDavid Daney Hikari 936a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 937a86c7f72SDavid Daney 9387f058e85SJayachandran Cconfig NLM_XLR_BOARD 9397f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9407f058e85SJayachandran C select BOOT_ELF32 9417f058e85SJayachandran C select NLM_COMMON 9427f058e85SJayachandran C select SYS_HAS_CPU_XLR 9437f058e85SJayachandran C select SYS_SUPPORTS_SMP 944eb01d42aSChristoph Hellwig select HAVE_PCI 9457f058e85SJayachandran C select SWAP_IO_SPACE 9467f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9477f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 948d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 9497f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9507f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9517f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9527f058e85SJayachandran C select CEVT_R4K 9537f058e85SJayachandran C select CSRC_R4K 95467e38cf2SRalf Baechle select IRQ_MIPS_CPU 955b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9567f058e85SJayachandran C select SYNC_R4K 9577f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9588f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9598f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9607f058e85SJayachandran C help 9617f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9627f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9637f058e85SJayachandran C 9641c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9651c773ea4SJayachandran C bool "Netlogic XLP based systems" 9661c773ea4SJayachandran C select BOOT_ELF32 9671c773ea4SJayachandran C select NLM_COMMON 9681c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9691c773ea4SJayachandran C select SYS_SUPPORTS_SMP 970eb01d42aSChristoph Hellwig select HAVE_PCI 9711c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9721c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 973d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 974d30a2b47SLinus Walleij select GPIOLIB 9751c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9761c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9771c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9781c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9791c773ea4SJayachandran C select CEVT_R4K 9801c773ea4SJayachandran C select CSRC_R4K 98167e38cf2SRalf Baechle select IRQ_MIPS_CPU 982b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9831c773ea4SJayachandran C select SYNC_R4K 9841c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9852f6528e1SJayachandran C select USE_OF 9868f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9878f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9881c773ea4SJayachandran C help 9891c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9901c773ea4SJayachandran C Say Y here if you have a XLP based board. 9911c773ea4SJayachandran C 9929bc463beSDavid Daneyconfig MIPS_PARAVIRT 9939bc463beSDavid Daney bool "Para-Virtualized guest system" 9949bc463beSDavid Daney select CEVT_R4K 9959bc463beSDavid Daney select CSRC_R4K 9969bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9979bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9989bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9999bc463beSDavid Daney select SYS_SUPPORTS_SMP 10009bc463beSDavid Daney select NR_CPUS_DEFAULT_4 10019bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 10029bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 10039bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 10049bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 1005eb01d42aSChristoph Hellwig select HAVE_PCI 10069bc463beSDavid Daney select SWAP_IO_SPACE 10079bc463beSDavid Daney help 10089bc463beSDavid Daney This option supports guest running under ???? 10099bc463beSDavid Daney 10101da177e4SLinus Torvaldsendchoice 10111da177e4SLinus Torvalds 1012e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10133b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1014d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1015a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1016e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10178945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1018eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10195e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10205ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10218ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10221f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10232572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1024af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10250f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1026ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 102729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 102838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 102922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10305e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1031a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 103230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 103330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10347f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1035ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 103638b18f72SRalf Baechle 10375e83d430SRalf Baechleendmenu 10385e83d430SRalf Baechle 10391da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10401da177e4SLinus Torvalds bool 10411da177e4SLinus Torvalds default y 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10441da177e4SLinus Torvalds bool 10451da177e4SLinus Torvalds 10463c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10473c9ee7efSAkinobu Mita bool 10483c9ee7efSAkinobu Mita default y 10493c9ee7efSAkinobu Mita 10501da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10511da177e4SLinus Torvalds bool 10521da177e4SLinus Torvalds default y 10531da177e4SLinus Torvalds 1054ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10551cc89038SAtsushi Nemoto bool 10561cc89038SAtsushi Nemoto default y 10571cc89038SAtsushi Nemoto 10581da177e4SLinus Torvalds# 10591da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10601da177e4SLinus Torvalds# 10610e2794b0SRalf Baechleconfig FW_ARC 10621da177e4SLinus Torvalds bool 10631da177e4SLinus Torvalds 106461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106561ed242dSRalf Baechle bool 106661ed242dSRalf Baechle 10679267a30dSMarc St-Jeanconfig BOOT_RAW 10689267a30dSMarc St-Jean bool 10699267a30dSMarc St-Jean 1070217dd11eSRalf Baechleconfig CEVT_BCM1480 1071217dd11eSRalf Baechle bool 1072217dd11eSRalf Baechle 10736457d9fcSYoichi Yuasaconfig CEVT_DS1287 10746457d9fcSYoichi Yuasa bool 10756457d9fcSYoichi Yuasa 10761097c6acSYoichi Yuasaconfig CEVT_GT641XX 10771097c6acSYoichi Yuasa bool 10781097c6acSYoichi Yuasa 107942f77542SRalf Baechleconfig CEVT_R4K 108042f77542SRalf Baechle bool 108142f77542SRalf Baechle 1082217dd11eSRalf Baechleconfig CEVT_SB1250 1083217dd11eSRalf Baechle bool 1084217dd11eSRalf Baechle 1085229f773eSAtsushi Nemotoconfig CEVT_TXX9 1086229f773eSAtsushi Nemoto bool 1087229f773eSAtsushi Nemoto 1088217dd11eSRalf Baechleconfig CSRC_BCM1480 1089217dd11eSRalf Baechle bool 1090217dd11eSRalf Baechle 10914247417dSYoichi Yuasaconfig CSRC_IOASIC 10924247417dSYoichi Yuasa bool 10934247417dSYoichi Yuasa 1094940f6b48SRalf Baechleconfig CSRC_R4K 1095940f6b48SRalf Baechle bool 1096940f6b48SRalf Baechle 1097217dd11eSRalf Baechleconfig CSRC_SB1250 1098217dd11eSRalf Baechle bool 1099217dd11eSRalf Baechle 1100a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1101a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1102a7f4df4eSAlex Smith 1103a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1104d30a2b47SLinus Walleij select GPIOLIB 1105a9aec7feSAtsushi Nemoto bool 1106a9aec7feSAtsushi Nemoto 11070e2794b0SRalf Baechleconfig FW_CFE 1108df78b5c8SAurelien Jarno bool 1109df78b5c8SAurelien Jarno 111040e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111140e084a5SRalf Baechle bool 111240e084a5SRalf Baechle 1113885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1114f3ecc0ffSChristoph Hellwig select ARCH_HAS_DMA_COHERENCE_H 1115885014bcSFelix Fietkau select DMA_NONCOHERENT 1116885014bcSFelix Fietkau bool 1117885014bcSFelix Fietkau 111820d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 111920d33064SPaul Burton bool 11205748e1b3SChristoph Hellwig select DMA_NONCOHERENT 112120d33064SPaul Burton 11221da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11231da177e4SLinus Torvalds bool 112458b04406SChristoph Hellwig select ARCH_HAS_DMA_MMAP_PGPROT 1125f8c55dc6SChristoph Hellwig select ARCH_HAS_SYNC_DMA_FOR_DEVICE 1126e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 112758b04406SChristoph Hellwig select ARCH_HAS_DMA_COHERENT_TO_PFN 1128f8c55dc6SChristoph Hellwig select DMA_NONCOHERENT_CACHE_SYNC 11294ce588cdSRalf Baechle 113036a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11311da177e4SLinus Torvalds bool 11321da177e4SLinus Torvalds 11331b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1134dbb74540SRalf Baechle bool 1135dbb74540SRalf Baechle 11361da177e4SLinus Torvaldsconfig MIPS_BONITO64 11371da177e4SLinus Torvalds bool 11381da177e4SLinus Torvalds 11391da177e4SLinus Torvaldsconfig MIPS_MSC 11401da177e4SLinus Torvalds bool 11411da177e4SLinus Torvalds 11421f21d2bdSBrian Murphyconfig MIPS_NILE4 11431f21d2bdSBrian Murphy bool 11441f21d2bdSBrian Murphy 114539b8d525SRalf Baechleconfig SYNC_R4K 114639b8d525SRalf Baechle bool 114739b8d525SRalf Baechle 1148487d70d0SGabor Juhosconfig MIPS_MACHINE 1149487d70d0SGabor Juhos def_bool n 1150487d70d0SGabor Juhos 1151ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1152d388d685SMaciej W. Rozycki def_bool n 1153d388d685SMaciej W. Rozycki 11544e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11554e0748f5SMarkos Chandras bool 1156932afdeeSYasha Cherikovsky default y if !CPU_HAS_LOAD_STORE_LR 11574e0748f5SMarkos Chandras 11588313da30SRalf Baechleconfig GENERIC_ISA_DMA 11598313da30SRalf Baechle bool 11608313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1161a35bee8aSNamhyung Kim select ISA_DMA_API 11628313da30SRalf Baechle 1163aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1164aa414dffSRalf Baechle bool 11658313da30SRalf Baechle select GENERIC_ISA_DMA 1166aa414dffSRalf Baechle 1167a35bee8aSNamhyung Kimconfig ISA_DMA_API 1168a35bee8aSNamhyung Kim bool 1169a35bee8aSNamhyung Kim 1170465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1171465aaed0SDavid Daney bool 1172465aaed0SDavid Daney 11738c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11748c530ea3SMatt Redfearn bool 11758c530ea3SMatt Redfearn help 11768c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11778c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11788c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11798c530ea3SMatt Redfearn 1180f381bf6dSDavid Daneyconfig MIPS_CBPF_JIT 1181f381bf6dSDavid Daney def_bool y 1182f381bf6dSDavid Daney depends on BPF_JIT && HAVE_CBPF_JIT 1183f381bf6dSDavid Daney 1184f381bf6dSDavid Daneyconfig MIPS_EBPF_JIT 1185f381bf6dSDavid Daney def_bool y 1186f381bf6dSDavid Daney depends on BPF_JIT && HAVE_EBPF_JIT 1187f381bf6dSDavid Daney 1188f381bf6dSDavid Daney 11895e83d430SRalf Baechle# 11906b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11915e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11925e83d430SRalf Baechle# choice statement should be more obvious to the user. 11935e83d430SRalf Baechle# 11945e83d430SRalf Baechlechoice 11956b2aac42SMasanari Iida prompt "Endianness selection" 11961da177e4SLinus Torvalds help 11971da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11985e83d430SRalf Baechle byte order. These modes require different kernels and a different 11993cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 12005e83d430SRalf Baechle particular system but some systems are just as commonly used in the 12013dde6ad8SDavid Sterba one or the other endianness. 12025e83d430SRalf Baechle 12035e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 12045e83d430SRalf Baechle bool "Big endian" 12055e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 12065e83d430SRalf Baechle 12075e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12085e83d430SRalf Baechle bool "Little endian" 12095e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12105e83d430SRalf Baechle 12115e83d430SRalf Baechleendchoice 12125e83d430SRalf Baechle 121322b0763aSDavid Daneyconfig EXPORT_UASM 121422b0763aSDavid Daney bool 121522b0763aSDavid Daney 12162116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12172116245eSRalf Baechle bool 12182116245eSRalf Baechle 12195e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12205e83d430SRalf Baechle bool 12215e83d430SRalf Baechle 12225e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12235e83d430SRalf Baechle bool 12241da177e4SLinus Torvalds 12259cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12269cffd154SDavid Daney bool 12279cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12289cffd154SDavid Daney default y 12299cffd154SDavid Daney 1230aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1231aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1232aa1762f4SDavid Daney 12331da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12341da177e4SLinus Torvalds bool 12351da177e4SLinus Torvalds 12369267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12379267a30dSMarc St-Jean bool 12389267a30dSMarc St-Jean 12399267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12409267a30dSMarc St-Jean bool 12419267a30dSMarc St-Jean 12428420fd00SAtsushi Nemotoconfig IRQ_TXX9 12438420fd00SAtsushi Nemoto bool 12448420fd00SAtsushi Nemoto 1245d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1246d5ab1a69SYoichi Yuasa bool 1247d5ab1a69SYoichi Yuasa 1248252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12491da177e4SLinus Torvalds bool 12501da177e4SLinus Torvalds 12519267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12529267a30dSMarc St-Jean bool 12539267a30dSMarc St-Jean 1254a83860c2SRalf Baechleconfig SOC_EMMA2RH 1255a83860c2SRalf Baechle bool 1256a83860c2SRalf Baechle select CEVT_R4K 1257a83860c2SRalf Baechle select CSRC_R4K 1258a83860c2SRalf Baechle select DMA_NONCOHERENT 125967e38cf2SRalf Baechle select IRQ_MIPS_CPU 1260a83860c2SRalf Baechle select SWAP_IO_SPACE 1261a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1262a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1263a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1264a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1265a83860c2SRalf Baechle 1266edb6310aSDaniel Lairdconfig SOC_PNX833X 1267edb6310aSDaniel Laird bool 1268edb6310aSDaniel Laird select CEVT_R4K 1269edb6310aSDaniel Laird select CSRC_R4K 127067e38cf2SRalf Baechle select IRQ_MIPS_CPU 1271edb6310aSDaniel Laird select DMA_NONCOHERENT 1272edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1273edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1274edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1275edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1276377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1277edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1278edb6310aSDaniel Laird 1279edb6310aSDaniel Lairdconfig SOC_PNX8335 1280edb6310aSDaniel Laird bool 1281edb6310aSDaniel Laird select SOC_PNX833X 1282edb6310aSDaniel Laird 1283a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1284a7e07b1aSMarkos Chandras bool 1285a7e07b1aSMarkos Chandras 12861da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12871da177e4SLinus Torvalds bool 12881da177e4SLinus Torvalds 1289e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1290e2defae5SThomas Bogendoerfer bool 1291e2defae5SThomas Bogendoerfer 12925b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12935b438c44SThomas Bogendoerfer bool 12945b438c44SThomas Bogendoerfer 1295e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1296e2defae5SThomas Bogendoerfer bool 1297e2defae5SThomas Bogendoerfer 1298e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1299e2defae5SThomas Bogendoerfer bool 1300e2defae5SThomas Bogendoerfer 1301e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1302e2defae5SThomas Bogendoerfer bool 1303e2defae5SThomas Bogendoerfer 1304e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1305e2defae5SThomas Bogendoerfer bool 1306e2defae5SThomas Bogendoerfer 1307e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1308e2defae5SThomas Bogendoerfer bool 1309e2defae5SThomas Bogendoerfer 13100e2794b0SRalf Baechleconfig FW_ARC32 13115e83d430SRalf Baechle bool 13125e83d430SRalf Baechle 1313aaa9fad3SPaul Bolleconfig FW_SNIPROM 1314231a35d3SThomas Bogendoerfer bool 1315231a35d3SThomas Bogendoerfer 13161da177e4SLinus Torvaldsconfig BOOT_ELF32 13171da177e4SLinus Torvalds bool 13181da177e4SLinus Torvalds 1319930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1320930beb5aSFlorian Fainelli bool 1321930beb5aSFlorian Fainelli 1322930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1323930beb5aSFlorian Fainelli bool 1324930beb5aSFlorian Fainelli 1325930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1326930beb5aSFlorian Fainelli bool 1327930beb5aSFlorian Fainelli 1328930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1329930beb5aSFlorian Fainelli bool 1330930beb5aSFlorian Fainelli 13311da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13321da177e4SLinus Torvalds int 1333a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13345432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13355432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13365432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13371da177e4SLinus Torvalds default "5" 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13401da177e4SLinus Torvalds bool 13411da177e4SLinus Torvalds 13421da177e4SLinus Torvaldsconfig ARC_CONSOLE 13431da177e4SLinus Torvalds bool "ARC console support" 1344e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13451da177e4SLinus Torvalds 13461da177e4SLinus Torvaldsconfig ARC_MEMORY 13471da177e4SLinus Torvalds bool 134814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13491da177e4SLinus Torvalds default y 13501da177e4SLinus Torvalds 13511da177e4SLinus Torvaldsconfig ARC_PROMLIB 13521da177e4SLinus Torvalds bool 1353e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13541da177e4SLinus Torvalds default y 13551da177e4SLinus Torvalds 13560e2794b0SRalf Baechleconfig FW_ARC64 13571da177e4SLinus Torvalds bool 13581da177e4SLinus Torvalds 13591da177e4SLinus Torvaldsconfig BOOT_ELF64 13601da177e4SLinus Torvalds bool 13611da177e4SLinus Torvalds 13621da177e4SLinus Torvaldsmenu "CPU selection" 13631da177e4SLinus Torvalds 13641da177e4SLinus Torvaldschoice 13651da177e4SLinus Torvalds prompt "CPU type" 13661da177e4SLinus Torvalds default CPU_R4X00 13671da177e4SLinus Torvalds 13680e476d91SHuacai Chenconfig CPU_LOONGSON3 13690e476d91SHuacai Chen bool "Loongson 3 CPU" 13700e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 1371d3bc81beSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 13720e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13730e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13740e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 1375932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 13760e476d91SHuacai Chen select WEAK_ORDERING 13770e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1378b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 137917c99d94SHuacai Chen select MIPS_L1_CACHE_SHIFT_6 1380d30a2b47SLinus Walleij select GPIOLIB 138109230cbcSChristoph Hellwig select SWIOTLB 13820e476d91SHuacai Chen help 13830e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13840e476d91SHuacai Chen set with many extensions. 13850e476d91SHuacai Chen 13861e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13871e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13881e820da3SHuacai Chen default n 13891e820da3SHuacai Chen select CPU_MIPSR2 13901e820da3SHuacai Chen select CPU_HAS_PREFETCH 13911e820da3SHuacai Chen depends on CPU_LOONGSON3 13921e820da3SHuacai Chen help 13931e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13941e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13951e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13961e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13971e820da3SHuacai Chen Fast TLB refill support, etc. 13981e820da3SHuacai Chen 13991e820da3SHuacai Chen This option enable those enhancements which are not probed at run 14001e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 14011e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 14021e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 14031e820da3SHuacai Chen 14043702bba5SWu Zhangjinconfig CPU_LOONGSON2E 14053702bba5SWu Zhangjin bool "Loongson 2E" 14063702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 14073702bba5SWu Zhangjin select CPU_LOONGSON2 14082a21c730SFuxin Zhang help 14092a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 14102a21c730SFuxin Zhang with many extensions. 14112a21c730SFuxin Zhang 141225985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14136f7a251aSWu Zhangjin bonito64. 14146f7a251aSWu Zhangjin 14156f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14166f7a251aSWu Zhangjin bool "Loongson 2F" 14176f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14186f7a251aSWu Zhangjin select CPU_LOONGSON2 1419d30a2b47SLinus Walleij select GPIOLIB 14206f7a251aSWu Zhangjin help 14216f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14226f7a251aSWu Zhangjin with many extensions. 14236f7a251aSWu Zhangjin 14246f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14256f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14266f7a251aSWu Zhangjin Loongson2E. 14276f7a251aSWu Zhangjin 1428ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1429ca585cf9SKelvin Cheung bool "Loongson 1B" 1430ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1431ca585cf9SKelvin Cheung select CPU_LOONGSON1 14329ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1433ca585cf9SKelvin Cheung help 1434ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1435968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1436968dc5a0S谢致邦 (XIE Zhibang) instruction set. 1437ca585cf9SKelvin Cheung 143812e3280bSYang Lingconfig CPU_LOONGSON1C 143912e3280bSYang Ling bool "Loongson 1C" 144012e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 144112e3280bSYang Ling select CPU_LOONGSON1 144212e3280bSYang Ling select LEDS_GPIO_REGISTER 144312e3280bSYang Ling help 144412e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 1445968dc5a0S谢致邦 (XIE Zhibang) Release 1 instruction set and part of the MIPS32 Release 2 1446968dc5a0S谢致邦 (XIE Zhibang) instruction set. 144712e3280bSYang Ling 14486e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14496e760c8dSRalf Baechle bool "MIPS32 Release 1" 14507cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14516e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1452932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1453797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1454ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14556e760c8dSRalf Baechle help 14565e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14571e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14581e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14591e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14601e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14611e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14621e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14631e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14641e5f1caaSRalf Baechle performance. 14651e5f1caaSRalf Baechle 14661e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14671e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14687cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14691e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1470932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1471797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1472ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1473a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14742235a54dSSanjay Lal select HAVE_KVM 14751e5f1caaSRalf Baechle help 14765e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14776e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14786e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14796e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14806e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14811da177e4SLinus Torvalds 14827fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1483674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14847fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14857fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14867fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14877fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14887fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14897fd08ca5SLeonid Yegoshin select HAVE_KVM 14907fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14917fd08ca5SLeonid Yegoshin help 14927fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14937fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14947fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14957fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14967fd08ca5SLeonid Yegoshin 14976e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14986e760c8dSRalf Baechle bool "MIPS64 Release 1" 14997cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1500797798c1SRalf Baechle select CPU_HAS_PREFETCH 1501932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1502ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1503ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1504ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15059cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 15066e760c8dSRalf Baechle help 15076e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 15086e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15096e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15106e760c8dSRalf Baechle specific type of processor in your system, choose those that one 15116e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15121e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 15131e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15141e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15151e5f1caaSRalf Baechle performance. 15161e5f1caaSRalf Baechle 15171e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15181e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15197cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1520797798c1SRalf Baechle select CPU_HAS_PREFETCH 1521932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15221e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15231e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1524ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15259cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1526a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 152740a2df49SJames Hogan select HAVE_KVM 15281e5f1caaSRalf Baechle help 15291e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15301e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15311e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15321e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15331e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15341da177e4SLinus Torvalds 15357fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1536674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15377fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15387fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15397fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15407fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15417fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15427fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15432e6c7747SJames Hogan select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 154440a2df49SJames Hogan select HAVE_KVM 15457fd08ca5SLeonid Yegoshin help 15467fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15477fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15487fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15497fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15507fd08ca5SLeonid Yegoshin 15511da177e4SLinus Torvaldsconfig CPU_R3000 15521da177e4SLinus Torvalds bool "R3000" 15537cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1554f7062ddbSRalf Baechle select CPU_HAS_WB 1555932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1556ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1557797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15581da177e4SLinus Torvalds help 15591da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15601da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15611da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15621da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15631da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15641da177e4SLinus Torvalds try to recompile with R3000. 15651da177e4SLinus Torvalds 15661da177e4SLinus Torvaldsconfig CPU_TX39XX 15671da177e4SLinus Torvalds bool "R39XX" 15687cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1569ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1570932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15711da177e4SLinus Torvalds 15721da177e4SLinus Torvaldsconfig CPU_VR41XX 15731da177e4SLinus Torvalds bool "R41xx" 15747cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1575ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1576ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1577932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15781da177e4SLinus Torvalds help 15795e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15801da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15811da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15821da177e4SLinus Torvalds processor or vice versa. 15831da177e4SLinus Torvalds 15841da177e4SLinus Torvaldsconfig CPU_R4300 15851da177e4SLinus Torvalds bool "R4300" 15867cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1587ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1588ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1589932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 15901da177e4SLinus Torvalds help 15911da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvaldsconfig CPU_R4X00 15941da177e4SLinus Torvalds bool "R4x00" 15957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1598970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1599932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16001da177e4SLinus Torvalds help 16011da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 16021da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvaldsconfig CPU_TX49XX 16051da177e4SLinus Torvalds bool "R49XX" 16067cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1607de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1608932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1609ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1610ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1611970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16121da177e4SLinus Torvalds 16131da177e4SLinus Torvaldsconfig CPU_R5000 16141da177e4SLinus Torvalds bool "R5000" 16157cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1616ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1617ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1618970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1619932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16201da177e4SLinus Torvalds help 16211da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16221da177e4SLinus Torvalds 16231da177e4SLinus Torvaldsconfig CPU_R5432 16241da177e4SLinus Torvalds bool "R5432" 16257cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16265e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16275e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1628970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1629932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16301da177e4SLinus Torvalds 1631542c1020SShinya Kuribayashiconfig CPU_R5500 1632542c1020SShinya Kuribayashi bool "R5500" 1633542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1634542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1635542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16369cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1637932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1638542c1020SShinya Kuribayashi help 1639542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1640542c1020SShinya Kuribayashi instruction set. 1641542c1020SShinya Kuribayashi 16421da177e4SLinus Torvaldsconfig CPU_NEVADA 16431da177e4SLinus Torvalds bool "RM52xx" 16447cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1645ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1646ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1647970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1648932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 16491da177e4SLinus Torvalds help 16501da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16511da177e4SLinus Torvalds 16521da177e4SLinus Torvaldsconfig CPU_R8000 16531da177e4SLinus Torvalds bool "R8000" 16547cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16555e83d430SRalf Baechle select CPU_HAS_PREFETCH 1656932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1657ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16581da177e4SLinus Torvalds help 16591da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16601da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16611da177e4SLinus Torvalds 16621da177e4SLinus Torvaldsconfig CPU_R10000 16631da177e4SLinus Torvalds bool "R10000" 16647cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16655e83d430SRalf Baechle select CPU_HAS_PREFETCH 1666932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1667ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1668ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1669797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1670970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16711da177e4SLinus Torvalds help 16721da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16731da177e4SLinus Torvalds 16741da177e4SLinus Torvaldsconfig CPU_RM7000 16751da177e4SLinus Torvalds bool "RM7000" 16767cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16775e83d430SRalf Baechle select CPU_HAS_PREFETCH 1678932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1679ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1680ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1681797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1682970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16831da177e4SLinus Torvalds 16841da177e4SLinus Torvaldsconfig CPU_SB1 16851da177e4SLinus Torvalds bool "SB1" 16867cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1687932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1688ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1689ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1690797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1691970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16920004a9dfSRalf Baechle select WEAK_ORDERING 16931da177e4SLinus Torvalds 1694a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1695a86c7f72SDavid Daney bool "Cavium Octeon processor" 16965e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1697a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1698932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1699a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1700a86c7f72SDavid Daney select WEAK_ORDERING 1701a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 17029cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1703df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1704df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1705930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 17060ae3abcdSJames Hogan select HAVE_KVM 1707a86c7f72SDavid Daney help 1708a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1709a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1710a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1711a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1712a86c7f72SDavid Daney 1713cd746249SJonas Gorskiconfig CPU_BMIPS 1714cd746249SJonas Gorski bool "Broadcom BMIPS" 1715cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1716cd746249SJonas Gorski select CPU_MIPS32 1717fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1718cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1719cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1720cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1721cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1722cd746249SJonas Gorski select DMA_NONCOHERENT 172367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1724cd746249SJonas Gorski select SWAP_IO_SPACE 1725cd746249SJonas Gorski select WEAK_ORDERING 1726c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 172769aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1728932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1729a8d709b0SMarkus Mayer select CPU_SUPPORTS_CPUFREQ 1730a8d709b0SMarkus Mayer select MIPS_EXTERNAL_TIMER 1731c1c0c461SKevin Cernekee help 1732fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1733c1c0c461SKevin Cernekee 17347f058e85SJayachandran Cconfig CPU_XLR 17357f058e85SJayachandran C bool "Netlogic XLR SoC" 17367f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 1737932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 17387f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17397f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17407f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1741970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17427f058e85SJayachandran C select WEAK_ORDERING 17437f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17447f058e85SJayachandran C help 17457f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17461c773ea4SJayachandran C 17471c773ea4SJayachandran Cconfig CPU_XLP 17481c773ea4SJayachandran C bool "Netlogic XLP SoC" 17491c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17501c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17511c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17521c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17531c773ea4SJayachandran C select WEAK_ORDERING 17541c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17551c773ea4SJayachandran C select CPU_HAS_PREFETCH 1756932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1757d6504846SJayachandran C select CPU_MIPSR2 1758ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17592db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17601c773ea4SJayachandran C help 17611c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17621da177e4SLinus Torvaldsendchoice 17631da177e4SLinus Torvalds 1764a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1765a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1766a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17677fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1768a6e18781SLeonid Yegoshin help 1769a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1770a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1771a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1772a6e18781SLeonid Yegoshin 1773a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1774a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1775a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1776a6e18781SLeonid Yegoshin select EVA 1777a6e18781SLeonid Yegoshin default y 1778a6e18781SLeonid Yegoshin help 1779a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1780a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1781a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1782a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1783a6e18781SLeonid Yegoshin 1784c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1785c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1786c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1787c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1788c5b36783SSteven J. Hill help 1789c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1790c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1791c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1792c5b36783SSteven J. Hill 1793c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1794c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1795c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1796c5b36783SSteven J. Hill depends on !EVA 1797c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1798c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1799c5b36783SSteven J. Hill select XPA 1800c5b36783SSteven J. Hill select HIGHMEM 1801d4a451d5SChristoph Hellwig select PHYS_ADDR_T_64BIT 1802c5b36783SSteven J. Hill default n 1803c5b36783SSteven J. Hill help 1804c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1805c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1806c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1807c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1808c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1809c5b36783SSteven J. Hill If unsure, say 'N' here. 1810c5b36783SSteven J. Hill 1811622844bfSWu Zhangjinif CPU_LOONGSON2F 1812622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1813622844bfSWu Zhangjin bool 1814622844bfSWu Zhangjin 1815622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1816622844bfSWu Zhangjin bool 1817622844bfSWu Zhangjin 1818622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1819622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1820622844bfSWu Zhangjin default y 1821622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1822622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1823622844bfSWu Zhangjin help 1824622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1825622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1826622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1827622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1828622844bfSWu Zhangjin 1829622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1830622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1831622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1832622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1833622844bfSWu Zhangjin systems. 1834622844bfSWu Zhangjin 1835622844bfSWu Zhangjin If unsure, please say Y. 1836622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1837622844bfSWu Zhangjin 18381b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18391b93b3c3SWu Zhangjin bool 18401b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18411b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 184231c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18431b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1844fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18454e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18461b93b3c3SWu Zhangjin 18471b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18481b93b3c3SWu Zhangjin bool 18491b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18501b93b3c3SWu Zhangjin 1851dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1852dbb98314SAlban Bedel bool 1853dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1854dbb98314SAlban Bedel 18553702bba5SWu Zhangjinconfig CPU_LOONGSON2 18563702bba5SWu Zhangjin bool 18573702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18583702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18593702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1860970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 1861e905086eSChristoph Hellwig select ARCH_HAS_PHYS_TO_DMA 1862932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 18633702bba5SWu Zhangjin 1864ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1865ca585cf9SKelvin Cheung bool 1866ca585cf9SKelvin Cheung select CPU_MIPS32 1867*7e280f6bSJiaxun Yang select CPU_MIPSR2 1868ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1869932afdeeSYasha Cherikovsky select CPU_HAS_LOAD_STORE_LR 1870ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1871a96d68baSJiaxun Yang select IRQ_MIPS_CPU 1872a96d68baSJiaxun Yang select DMA_NONCOHERENT 1873a96d68baSJiaxun Yang select BOOT_ELF32 1874a96d68baSJiaxun Yang select SYS_SUPPORTS_LITTLE_ENDIAN 1875ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1876f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1877ca585cf9SKelvin Cheung 1878fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 187904fa8bf7SJonas Gorski select SMP_UP if SMP 18801bbb6c1bSKevin Cernekee bool 1881cd746249SJonas Gorski 1882cd746249SJonas Gorskiconfig CPU_BMIPS4350 1883cd746249SJonas Gorski bool 1884cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1885cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1886cd746249SJonas Gorski 1887cd746249SJonas Gorskiconfig CPU_BMIPS4380 1888cd746249SJonas Gorski bool 1889bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1890cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1891cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1892b4720809SFlorian Fainelli select CPU_HAS_RIXI 1893cd746249SJonas Gorski 1894cd746249SJonas Gorskiconfig CPU_BMIPS5000 1895cd746249SJonas Gorski bool 1896cd746249SJonas Gorski select MIPS_CPU_SCACHE 1897bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1898cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1899cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1900b4720809SFlorian Fainelli select CPU_HAS_RIXI 19011bbb6c1bSKevin Cernekee 19020e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 19030e476d91SHuacai Chen bool 19040e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1905b2edcfc8SHuacai Chen select CPU_HAS_RIXI 19060e476d91SHuacai Chen 19073702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 19082a21c730SFuxin Zhang bool 19092a21c730SFuxin Zhang 19106f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 19116f7a251aSWu Zhangjin bool 191255045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 191355045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 191422f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 19156f7a251aSWu Zhangjin 1916ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1917ca585cf9SKelvin Cheung bool 1918ca585cf9SKelvin Cheung 191912e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 192012e3280bSYang Ling bool 192112e3280bSYang Ling 19227cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 19237cf8053bSRalf Baechle bool 19247cf8053bSRalf Baechle 19257cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 19267cf8053bSRalf Baechle bool 19277cf8053bSRalf Baechle 1928a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1929a6e18781SLeonid Yegoshin bool 1930a6e18781SLeonid Yegoshin 1931c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1932c5b36783SSteven J. Hill bool 1933f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 1934c5b36783SSteven J. Hill 19357fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19367fd08ca5SLeonid Yegoshin bool 1937f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 19387fd08ca5SLeonid Yegoshin 19397cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19407cf8053bSRalf Baechle bool 19417cf8053bSRalf Baechle 19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19437cf8053bSRalf Baechle bool 19447cf8053bSRalf Baechle 19457fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19467fd08ca5SLeonid Yegoshin bool 1947f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 19487fd08ca5SLeonid Yegoshin 19497cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19507cf8053bSRalf Baechle bool 19517cf8053bSRalf Baechle 19527cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19537cf8053bSRalf Baechle bool 19547cf8053bSRalf Baechle 19557cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19567cf8053bSRalf Baechle bool 19577cf8053bSRalf Baechle 19587cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19597cf8053bSRalf Baechle bool 19607cf8053bSRalf Baechle 19617cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19627cf8053bSRalf Baechle bool 19637cf8053bSRalf Baechle 19647cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19657cf8053bSRalf Baechle bool 19667cf8053bSRalf Baechle 19677cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19687cf8053bSRalf Baechle bool 19697cf8053bSRalf Baechle 19707cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19717cf8053bSRalf Baechle bool 19727cf8053bSRalf Baechle 1973542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1974542c1020SShinya Kuribayashi bool 1975542c1020SShinya Kuribayashi 19767cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19777cf8053bSRalf Baechle bool 19787cf8053bSRalf Baechle 19797cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19807cf8053bSRalf Baechle bool 19817cf8053bSRalf Baechle 19827cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19837cf8053bSRalf Baechle bool 1984f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 19857cf8053bSRalf Baechle 19867cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19877cf8053bSRalf Baechle bool 19887cf8053bSRalf Baechle 19897cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19907cf8053bSRalf Baechle bool 19917cf8053bSRalf Baechle 19925e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19935e683389SDavid Daney bool 19945e683389SDavid Daney 1995cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1996c1c0c461SKevin Cernekee bool 1997c1c0c461SKevin Cernekee 1998fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1999c1c0c461SKevin Cernekee bool 2000cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2001c1c0c461SKevin Cernekee 2002c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 2003c1c0c461SKevin Cernekee bool 2004cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2005c1c0c461SKevin Cernekee 2006c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 2007c1c0c461SKevin Cernekee bool 2008cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2009c1c0c461SKevin Cernekee 2010c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 2011c1c0c461SKevin Cernekee bool 2012cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 2013f263f2a2SHauke Mehrtens select ARCH_HAS_SYNC_DMA_FOR_CPU 2014c1c0c461SKevin Cernekee 20157f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 20167f058e85SJayachandran C bool 20177f058e85SJayachandran C 20181c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 20191c773ea4SJayachandran C bool 20201c773ea4SJayachandran C 202117099b11SRalf Baechle# 202217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 202317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 202417099b11SRalf Baechle# 20250004a9dfSRalf Baechleconfig WEAK_ORDERING 20260004a9dfSRalf Baechle bool 202717099b11SRalf Baechle 202817099b11SRalf Baechle# 202917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 203017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 203117099b11SRalf Baechle# 203217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 203317099b11SRalf Baechle bool 20345e83d430SRalf Baechleendmenu 20355e83d430SRalf Baechle 20365e83d430SRalf Baechle# 20375e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20385e83d430SRalf Baechle# 20395e83d430SRalf Baechleconfig CPU_MIPS32 20405e83d430SRalf Baechle bool 20417fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20425e83d430SRalf Baechle 20435e83d430SRalf Baechleconfig CPU_MIPS64 20445e83d430SRalf Baechle bool 20457fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20465e83d430SRalf Baechle 20475e83d430SRalf Baechle# 204857eeacedSPaul Burton# These indicate the revision of the architecture 20495e83d430SRalf Baechle# 20505e83d430SRalf Baechleconfig CPU_MIPSR1 20515e83d430SRalf Baechle bool 20525e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20535e83d430SRalf Baechle 20545e83d430SRalf Baechleconfig CPU_MIPSR2 20555e83d430SRalf Baechle bool 2056a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20578256b17eSFlorian Fainelli select CPU_HAS_RIXI 2058a7e07b1aSMarkos Chandras select MIPS_SPRAM 20595e83d430SRalf Baechle 20607fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20617fd08ca5SLeonid Yegoshin bool 20627fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20638256b17eSFlorian Fainelli select CPU_HAS_RIXI 206487321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20652db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 20664a5dc51eSMarcin Nowakowski select MIPS_CRC_SUPPORT 2067a7e07b1aSMarkos Chandras select MIPS_SPRAM 20685e83d430SRalf Baechle 206957eeacedSPaul Burtonconfig TARGET_ISA_REV 207057eeacedSPaul Burton int 207157eeacedSPaul Burton default 1 if CPU_MIPSR1 207257eeacedSPaul Burton default 2 if CPU_MIPSR2 207357eeacedSPaul Burton default 6 if CPU_MIPSR6 207457eeacedSPaul Burton default 0 207557eeacedSPaul Burton help 207657eeacedSPaul Burton Reflects the ISA revision being targeted by the kernel build. This 207757eeacedSPaul Burton is effectively the Kconfig equivalent of MIPS_ISA_REV. 207857eeacedSPaul Burton 2079a6e18781SLeonid Yegoshinconfig EVA 2080a6e18781SLeonid Yegoshin bool 2081a6e18781SLeonid Yegoshin 2082c5b36783SSteven J. Hillconfig XPA 2083c5b36783SSteven J. Hill bool 2084c5b36783SSteven J. Hill 20855e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20865e83d430SRalf Baechle bool 20875e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20885e83d430SRalf Baechle bool 20895e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20905e83d430SRalf Baechle bool 20915e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20925e83d430SRalf Baechle bool 209355045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 209455045ff5SWu Zhangjin bool 209555045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 209655045ff5SWu Zhangjin bool 20979cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20989cffd154SDavid Daney bool 209922f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 210022f1fdfdSWu Zhangjin bool 210182622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 210282622284SDavid Daney bool 2103cebf8c0fSPaul Burton default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP 21045e83d430SRalf Baechle 21058192c9eaSDavid Daney# 21068192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 21078192c9eaSDavid Daney# 21088192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 21098192c9eaSDavid Daney bool 2110679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 21118192c9eaSDavid Daney 21125e83d430SRalf Baechlemenu "Kernel type" 21135e83d430SRalf Baechle 21145e83d430SRalf Baechlechoice 21155e83d430SRalf Baechle prompt "Kernel code model" 21165e83d430SRalf Baechle help 21175e83d430SRalf Baechle You should only select this option if you have a workload that 21185e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 21195e83d430SRalf Baechle large memory. You will only be presented a single option in this 21205e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 21215e83d430SRalf Baechle 21225e83d430SRalf Baechleconfig 32BIT 21235e83d430SRalf Baechle bool "32-bit kernel" 21245e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 21255e83d430SRalf Baechle select TRAD_SIGNALS 21265e83d430SRalf Baechle help 21275e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2128f17c4ca3SRalf Baechle 21295e83d430SRalf Baechleconfig 64BIT 21305e83d430SRalf Baechle bool "64-bit kernel" 21315e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 21325e83d430SRalf Baechle help 21335e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 21345e83d430SRalf Baechle 21355e83d430SRalf Baechleendchoice 21365e83d430SRalf Baechle 21372235a54dSSanjay Lalconfig KVM_GUEST 21382235a54dSSanjay Lal bool "KVM Guest Kernel" 2139f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 21402235a54dSSanjay Lal help 2141caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2142caa1faa7SJames Hogan mode. 21432235a54dSSanjay Lal 2144eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2145eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21462235a54dSSanjay Lal depends on KVM_GUEST 2147eda3d33cSJames Hogan default 100 21482235a54dSSanjay Lal help 2149eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2150eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2151eda3d33cSJames Hogan timer frequency is specified directly. 21522235a54dSSanjay Lal 21531e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21541e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21551e321fa9SLeonid Yegoshin depends on 64BIT 21561e321fa9SLeonid Yegoshin help 21573377e227SAlex Belits Support a maximum at least 48 bits of application virtual 21583377e227SAlex Belits memory. Default is 40 bits or less, depending on the CPU. 21593377e227SAlex Belits For page sizes 16k and above, this option results in a small 21603377e227SAlex Belits memory overhead for page tables. For 4k page size, a fourth 21613377e227SAlex Belits level of page tables is added which imposes both a memory 21623377e227SAlex Belits overhead as well as slower TLB fault handling. 21633377e227SAlex Belits 21641e321fa9SLeonid Yegoshin If unsure, say N. 21651e321fa9SLeonid Yegoshin 21661da177e4SLinus Torvaldschoice 21671da177e4SLinus Torvalds prompt "Kernel page size" 21681da177e4SLinus Torvalds default PAGE_SIZE_4KB 21691da177e4SLinus Torvalds 21701da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21711da177e4SLinus Torvalds bool "4kB" 21720e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21731da177e4SLinus Torvalds help 21741da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21751da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21761da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21771da177e4SLinus Torvalds recommended for low memory systems. 21781da177e4SLinus Torvalds 21791da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21801da177e4SLinus Torvalds bool "8kB" 21817d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21821e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21831da177e4SLinus Torvalds help 21841da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21851da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2186c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2187c52399beSRalf Baechle suitable Linux distribution to support this. 21881da177e4SLinus Torvalds 21891da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21901da177e4SLinus Torvalds bool "16kB" 2191714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21921da177e4SLinus Torvalds help 21931da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21941da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2195714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2196714bfad6SRalf Baechle Linux distribution to support this. 21971da177e4SLinus Torvalds 2198c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2199c52399beSRalf Baechle bool "32kB" 2200c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 22011e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2202c52399beSRalf Baechle help 2203c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2204c52399beSRalf Baechle the price of higher memory consumption. This option is available 2205c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2206c52399beSRalf Baechle distribution to support this. 2207c52399beSRalf Baechle 22081da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 22091da177e4SLinus Torvalds bool "64kB" 22103b2db173SPaul Burton depends on !CPU_R3000 && !CPU_TX39XX 22111da177e4SLinus Torvalds help 22121da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 22131da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 22141da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2215714bfad6SRalf Baechle writing this option is still high experimental. 22161da177e4SLinus Torvalds 22171da177e4SLinus Torvaldsendchoice 22181da177e4SLinus Torvalds 2219c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2220c9bace7cSDavid Daney int "Maximum zone order" 2221e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2222e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2223e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2224e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2225e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2226e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2227c9bace7cSDavid Daney range 11 64 2228c9bace7cSDavid Daney default "11" 2229c9bace7cSDavid Daney help 2230c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2231c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2232c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2233c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2234c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2235c9bace7cSDavid Daney increase this value. 2236c9bace7cSDavid Daney 2237c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2238c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2239c9bace7cSDavid Daney 2240c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2241c9bace7cSDavid Daney when choosing a value for this option. 2242c9bace7cSDavid Daney 22431da177e4SLinus Torvaldsconfig BOARD_SCACHE 22441da177e4SLinus Torvalds bool 22451da177e4SLinus Torvalds 22461da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22471da177e4SLinus Torvalds bool 22481da177e4SLinus Torvalds select BOARD_SCACHE 22491da177e4SLinus Torvalds 22509318c51aSChris Dearman# 22519318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22529318c51aSChris Dearman# 22539318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22549318c51aSChris Dearman bool 22559318c51aSChris Dearman select BOARD_SCACHE 22569318c51aSChris Dearman 22571da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22581da177e4SLinus Torvalds bool 22591da177e4SLinus Torvalds select BOARD_SCACHE 22601da177e4SLinus Torvalds 22611da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22621da177e4SLinus Torvalds bool 22631da177e4SLinus Torvalds select BOARD_SCACHE 22641da177e4SLinus Torvalds 22651da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22661da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22671da177e4SLinus Torvalds depends on CPU_SB1 22681da177e4SLinus Torvalds help 22691da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22701da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22711da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22721da177e4SLinus Torvalds 22731da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2274c8094b53SRalf Baechle bool 22751da177e4SLinus Torvalds 22763165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22773165c846SFlorian Fainelli bool 22783b2db173SPaul Burton default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX) 22793165c846SFlorian Fainelli 2280c92e47e5SPaul Burtonconfig MIPS_FP_SUPPORT 2281183b40f9SPaul Burton bool "Floating Point support" if EXPERT 2282183b40f9SPaul Burton default y 2283183b40f9SPaul Burton help 2284183b40f9SPaul Burton Select y to include support for floating point in the kernel 2285183b40f9SPaul Burton including initialization of FPU hardware, FP context save & restore 2286183b40f9SPaul Burton and emulation of an FPU where necessary. Without this support any 2287183b40f9SPaul Burton userland program attempting to use floating point instructions will 2288183b40f9SPaul Burton receive a SIGILL. 2289183b40f9SPaul Burton 2290183b40f9SPaul Burton If you know that your userland will not attempt to use floating point 2291183b40f9SPaul Burton instructions then you can say n here to shrink the kernel a little. 2292183b40f9SPaul Burton 2293183b40f9SPaul Burton If unsure, say y. 2294c92e47e5SPaul Burton 229597f7dcbfSPaul Burtonconfig CPU_R2300_FPU 229697f7dcbfSPaul Burton bool 2297c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 229897f7dcbfSPaul Burton default y if CPU_R3000 || CPU_TX39XX 229997f7dcbfSPaul Burton 230091405eb6SFlorian Fainelliconfig CPU_R4K_FPU 230191405eb6SFlorian Fainelli bool 2302c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 230397f7dcbfSPaul Burton default y if !CPU_R2300_FPU 230491405eb6SFlorian Fainelli 230562cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 230662cedc4fSFlorian Fainelli bool 230762cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 230862cedc4fSFlorian Fainelli 230959d6ab86SRalf Baechleconfig MIPS_MT_SMP 2310a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 23115cbf9688SPaul Burton default y 2312527f1028SPaul Burton depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS 231359d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2314d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2315c080faa5SSteven J. Hill select SYNC_R4K 231659d6ab86SRalf Baechle select MIPS_MT 231759d6ab86SRalf Baechle select SMP 231887353d8aSRalf Baechle select SMP_UP 2319c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2320c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2321399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 232259d6ab86SRalf Baechle help 2323c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2324c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2325c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2326c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2327c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 232859d6ab86SRalf Baechle 2329f41ae0b2SRalf Baechleconfig MIPS_MT 2330f41ae0b2SRalf Baechle bool 2331f41ae0b2SRalf Baechle 23320ab7aefcSRalf Baechleconfig SCHED_SMT 23330ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 23340ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 23350ab7aefcSRalf Baechle default n 23360ab7aefcSRalf Baechle help 23370ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 23380ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 23390ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 23400ab7aefcSRalf Baechle 23410ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 23420ab7aefcSRalf Baechle bool 23430ab7aefcSRalf Baechle 2344f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2345f41ae0b2SRalf Baechle bool 2346f41ae0b2SRalf Baechle 2347f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2348f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2349f088fc84SRalf Baechle default y 2350b633648cSRalf Baechle depends on MIPS_MT_SMP 235107cc0c9eSRalf Baechle 2352b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2353b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 23549eaa9a82SPaul Burton depends on CPU_MIPSR6 2355c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 2356b0a668fbSLeonid Yegoshin default y 2357b0a668fbSLeonid Yegoshin help 2358b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2359b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 236007edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2361b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2362b0a668fbSLeonid Yegoshin final kernel image. 2363b0a668fbSLeonid Yegoshin 2364f35764e7SJames Hoganconfig SYS_SUPPORTS_VPE_LOADER 2365f35764e7SJames Hogan bool 2366f35764e7SJames Hogan depends on SYS_SUPPORTS_MULTITHREADING 2367f35764e7SJames Hogan help 2368f35764e7SJames Hogan Indicates that the platform supports the VPE loader, and provides 2369f35764e7SJames Hogan physical_memsize. 2370f35764e7SJames Hogan 237107cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 237207cc0c9eSRalf Baechle bool "VPE loader support." 2373f35764e7SJames Hogan depends on SYS_SUPPORTS_VPE_LOADER && MODULES 237407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 237507cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 237607cc0c9eSRalf Baechle select MIPS_MT 237707cc0c9eSRalf Baechle help 237807cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 237907cc0c9eSRalf Baechle onto another VPE and running it. 2380f088fc84SRalf Baechle 238117a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 238217a1d523SDeng-Cheng Zhu bool 238317a1d523SDeng-Cheng Zhu default "y" 238417a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 238517a1d523SDeng-Cheng Zhu 23861a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23871a2a6d7eSDeng-Cheng Zhu bool 23881a2a6d7eSDeng-Cheng Zhu default "y" 23891a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23901a2a6d7eSDeng-Cheng Zhu 2391e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2392e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2393e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2394e01402b1SRalf Baechle default y 2395e01402b1SRalf Baechle help 2396e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2397e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2398e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2399e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2400e01402b1SRalf Baechle 2401e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2402e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2403e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2404e01402b1SRalf Baechle 2405da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2406da615cf6SDeng-Cheng Zhu bool 2407da615cf6SDeng-Cheng Zhu default "y" 2408da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2409da615cf6SDeng-Cheng Zhu 24102c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 24112c973ef0SDeng-Cheng Zhu bool 24122c973ef0SDeng-Cheng Zhu default "y" 24132c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 24142c973ef0SDeng-Cheng Zhu 24154a16ff4cSRalf Baechleconfig MIPS_CMP 24165cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 24175676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2418b10b43baSMarkos Chandras select SMP 2419eb9b5141STim Anderson select SYNC_R4K 2420b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 24214a16ff4cSRalf Baechle select WEAK_ORDERING 24224a16ff4cSRalf Baechle default n 24234a16ff4cSRalf Baechle help 2424044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2425044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2426044505c7SPaul Burton its ability to start secondary CPUs. 24274a16ff4cSRalf Baechle 24285cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 24295cac93b3SPaul Burton instead of this. 24305cac93b3SPaul Burton 24310ee958e1SPaul Burtonconfig MIPS_CPS 24320ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 24335a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 24340ee958e1SPaul Burton select MIPS_CM 24351d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 24360ee958e1SPaul Burton select SMP 24370ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 24381d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 2439c8b7712cSPaul Burton select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6 24400ee958e1SPaul Burton select SYS_SUPPORTS_SMP 24410ee958e1SPaul Burton select WEAK_ORDERING 24420ee958e1SPaul Burton help 24430ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 24440ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 24450ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 24460ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 24470ee958e1SPaul Burton support is unavailable. 24480ee958e1SPaul Burton 24493179d37eSPaul Burtonconfig MIPS_CPS_PM 245039a59593SMarkos Chandras depends on MIPS_CPS 24513179d37eSPaul Burton bool 24523179d37eSPaul Burton 24539f98f3ddSPaul Burtonconfig MIPS_CM 24549f98f3ddSPaul Burton bool 24553c9b4166SPaul Burton select MIPS_CPC 24569f98f3ddSPaul Burton 24579c38cf44SPaul Burtonconfig MIPS_CPC 24589c38cf44SPaul Burton bool 24592600990eSRalf Baechle 24601da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 24611da177e4SLinus Torvalds bool 24621da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 24631da177e4SLinus Torvalds default y 24641da177e4SLinus Torvalds 24651da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 24661da177e4SLinus Torvalds bool 24671da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 24681da177e4SLinus Torvalds default y 24691da177e4SLinus Torvalds 24702235a54dSSanjay Lal 24719e2b5372SMarkos Chandraschoice 24729e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24739e2b5372SMarkos Chandras 24749e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24759e2b5372SMarkos Chandras bool "None" 24769e2b5372SMarkos Chandras help 24779e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24789e2b5372SMarkos Chandras 24799693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24809693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24819e2b5372SMarkos Chandras bool "SmartMIPS" 24829693a853SFranck Bui-Huu help 24839693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24849693a853SFranck Bui-Huu increased security at both hardware and software level for 24859693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24869693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24879693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24889693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24899693a853SFranck Bui-Huu here. 24909693a853SFranck Bui-Huu 2491bce86083SSteven J. Hillconfig CPU_MICROMIPS 24927fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24939e2b5372SMarkos Chandras bool "microMIPS" 2494bce86083SSteven J. Hill help 2495bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2496bce86083SSteven J. Hill microMIPS ISA 2497bce86083SSteven J. Hill 24989e2b5372SMarkos Chandrasendchoice 24999e2b5372SMarkos Chandras 2500a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 25010ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2502a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 2503c92e47e5SPaul Burton depends on MIPS_FP_SUPPORT 25042a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2505a5e9a69eSPaul Burton help 2506a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2507a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 25081db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 25091db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 25101db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 25111db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 25121db1af84SPaul Burton the size & complexity of your kernel. 2513a5e9a69eSPaul Burton 2514a5e9a69eSPaul Burton If unsure, say Y. 2515a5e9a69eSPaul Burton 25161da177e4SLinus Torvaldsconfig CPU_HAS_WB 2517f7062ddbSRalf Baechle bool 2518e01402b1SRalf Baechle 2519df0ac8a4SKevin Cernekeeconfig XKS01 2520df0ac8a4SKevin Cernekee bool 2521df0ac8a4SKevin Cernekee 25228256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 25238256b17eSFlorian Fainelli bool 25248256b17eSFlorian Fainelli 2525932afdeeSYasha Cherikovskyconfig CPU_HAS_LOAD_STORE_LR 2526932afdeeSYasha Cherikovsky bool 2527932afdeeSYasha Cherikovsky help 2528932afdeeSYasha Cherikovsky CPU has support for unaligned load and store instructions: 2529932afdeeSYasha Cherikovsky LWL, LWR, SWL, SWR (Load/store word left/right). 2530932afdeeSYasha Cherikovsky LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit systems). 2531932afdeeSYasha Cherikovsky 2532f41ae0b2SRalf Baechle# 2533f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2534f41ae0b2SRalf Baechle# 2535e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2536f41ae0b2SRalf Baechle bool 2537e01402b1SRalf Baechle 2538f41ae0b2SRalf Baechle# 2539f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2540f41ae0b2SRalf Baechle# 2541e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2542f41ae0b2SRalf Baechle bool 2543e01402b1SRalf Baechle 25441da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 25451da177e4SLinus Torvalds bool 25461da177e4SLinus Torvalds depends on !CPU_R3000 25471da177e4SLinus Torvalds default y 25481da177e4SLinus Torvalds 25491da177e4SLinus Torvalds# 255020d60d99SMaciej W. Rozycki# CPU non-features 255120d60d99SMaciej W. Rozycki# 255220d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 255320d60d99SMaciej W. Rozycki bool 255420d60d99SMaciej W. Rozycki 255520d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 255620d60d99SMaciej W. Rozycki bool 255720d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 255820d60d99SMaciej W. Rozycki 255920d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 256020d60d99SMaciej W. Rozycki bool 256120d60d99SMaciej W. Rozycki 25624edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 25634edf00a4SPaul Burton int 25644edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25654edf00a4SPaul Burton default 4 if CPU_R8000 25664edf00a4SPaul Burton default 0 25674edf00a4SPaul Burton 25684edf00a4SPaul Burtonconfig MIPS_ASID_BITS 25694edf00a4SPaul Burton int 25702db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 25714edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 25724edf00a4SPaul Burton default 8 25734edf00a4SPaul Burton 25742db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25752db003a5SPaul Burton bool 25762db003a5SPaul Burton 25774a5dc51eSMarcin Nowakowskiconfig MIPS_CRC_SUPPORT 25784a5dc51eSMarcin Nowakowski bool 25794a5dc51eSMarcin Nowakowski 258020d60d99SMaciej W. Rozycki# 25811da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25821da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25831da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25841da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25851da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25861da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25871da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25881da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2589797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2590797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2591797798c1SRalf Baechle# support. 25921da177e4SLinus Torvalds# 25931da177e4SLinus Torvaldsconfig HIGHMEM 25941da177e4SLinus Torvalds bool "High Memory Support" 2595a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2596797798c1SRalf Baechle 2597797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2598797798c1SRalf Baechle bool 2599797798c1SRalf Baechle 2600797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2601797798c1SRalf Baechle bool 26021da177e4SLinus Torvalds 26039693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 26049693a853SFranck Bui-Huu bool 26059693a853SFranck Bui-Huu 2606a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2607a6a4834cSSteven J. Hill bool 2608a6a4834cSSteven J. Hill 2609377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2610377cb1b6SRalf Baechle bool 2611377cb1b6SRalf Baechle help 2612377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2613377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2614377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2615377cb1b6SRalf Baechle 2616a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2617a5e9a69eSPaul Burton bool 2618a5e9a69eSPaul Burton 2619b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2620b4819b59SYoichi Yuasa def_bool y 2621f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2622b4819b59SYoichi Yuasa 2623d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2624d8cb4e11SRalf Baechle bool 2625d8cb4e11SRalf Baechle default y if SGI_IP27 2626d8cb4e11SRalf Baechle help 26273dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2628d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2629d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2630ad56b738SMike Rapoport See <file:Documentation/vm/numa.rst> for more. 2631d8cb4e11SRalf Baechle 2632b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2633b1c6cd42SAtsushi Nemoto bool 26347de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 263531473747SAtsushi Nemoto 2636d8cb4e11SRalf Baechleconfig NUMA 2637d8cb4e11SRalf Baechle bool "NUMA Support" 2638d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2639d8cb4e11SRalf Baechle help 2640d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2641d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2642d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2643d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2644d8cb4e11SRalf Baechle disabled. 2645d8cb4e11SRalf Baechle 2646d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2647d8cb4e11SRalf Baechle bool 2648d8cb4e11SRalf Baechle 26498c530ea3SMatt Redfearnconfig RELOCATABLE 26508c530ea3SMatt Redfearn bool "Relocatable kernel" 26513ff72be4SSteven J. Hill depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC) 26528c530ea3SMatt Redfearn help 26538c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 26548c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 26558c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 26568c530ea3SMatt Redfearn but are discarded at runtime 26578c530ea3SMatt Redfearn 2658069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2659069fd766SMatt Redfearn hex "Relocation table size" 2660069fd766SMatt Redfearn depends on RELOCATABLE 2661069fd766SMatt Redfearn range 0x0 0x01000000 2662069fd766SMatt Redfearn default "0x00100000" 2663069fd766SMatt Redfearn ---help--- 2664069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2665069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2666069fd766SMatt Redfearn 2667069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2668069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2669069fd766SMatt Redfearn 2670069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2671069fd766SMatt Redfearn 2672069fd766SMatt Redfearn If unsure, leave at the default value. 2673069fd766SMatt Redfearn 2674405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2675405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2676405bc8fdSMatt Redfearn depends on RELOCATABLE 2677405bc8fdSMatt Redfearn ---help--- 2678405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2679405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2680405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2681405bc8fdSMatt Redfearn of kernel internals. 2682405bc8fdSMatt Redfearn 2683405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2684405bc8fdSMatt Redfearn 2685405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2686405bc8fdSMatt Redfearn 2687405bc8fdSMatt Redfearn If unsure, say N. 2688405bc8fdSMatt Redfearn 2689405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2690405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2691405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2692405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2693405bc8fdSMatt Redfearn range 0x0 0x08000000 2694405bc8fdSMatt Redfearn default "0x01000000" 2695405bc8fdSMatt Redfearn ---help--- 2696405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2697405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2698405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2699405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2700405bc8fdSMatt Redfearn 2701405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2702405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2703405bc8fdSMatt Redfearn 2704c80d79d7SYasunori Gotoconfig NODES_SHIFT 2705c80d79d7SYasunori Goto int 2706c80d79d7SYasunori Goto default "6" 2707c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2708c80d79d7SYasunori Goto 270914f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 271014f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 271123021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 271214f70012SDeng-Cheng Zhu default y 271314f70012SDeng-Cheng Zhu help 271414f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 271514f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 271614f70012SDeng-Cheng Zhu 27171da177e4SLinus Torvaldsconfig SMP 27181da177e4SLinus Torvalds bool "Multi-Processing support" 2719e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2720e73ea273SRalf Baechle help 27211da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 27224a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 27234a474157SRobert Graffham than one CPU, say Y. 27241da177e4SLinus Torvalds 27254a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 27261da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 27271da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 27284a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 27291da177e4SLinus Torvalds will run faster if you say N here. 27301da177e4SLinus Torvalds 27311da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 27321da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 27331da177e4SLinus Torvalds 273403502faaSAdrian Bunk See also the SMP-HOWTO available at 273503502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 27361da177e4SLinus Torvalds 27371da177e4SLinus Torvalds If you don't know what to do here, say N. 27381da177e4SLinus Torvalds 27397840d618SMatt Redfearnconfig HOTPLUG_CPU 27407840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 27417840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 27427840d618SMatt Redfearn help 27437840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 27447840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 27457840d618SMatt Redfearn (Note: power management support will enable this option 27467840d618SMatt Redfearn automatically on SMP systems. ) 27477840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 27487840d618SMatt Redfearn 274987353d8aSRalf Baechleconfig SMP_UP 275087353d8aSRalf Baechle bool 275187353d8aSRalf Baechle 27524a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 27534a16ff4cSRalf Baechle bool 27544a16ff4cSRalf Baechle 27550ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 27560ee958e1SPaul Burton bool 27570ee958e1SPaul Burton 2758e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2759e73ea273SRalf Baechle bool 2760e73ea273SRalf Baechle 2761130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2762130e2fb7SRalf Baechle bool 2763130e2fb7SRalf Baechle 2764130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2765130e2fb7SRalf Baechle bool 2766130e2fb7SRalf Baechle 2767130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2768130e2fb7SRalf Baechle bool 2769130e2fb7SRalf Baechle 2770130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2771130e2fb7SRalf Baechle bool 2772130e2fb7SRalf Baechle 2773130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2774130e2fb7SRalf Baechle bool 2775130e2fb7SRalf Baechle 27761da177e4SLinus Torvaldsconfig NR_CPUS 2777a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2778a91796a9SJayachandran C range 2 256 27791da177e4SLinus Torvalds depends on SMP 2780130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2781130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2782130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2783130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2784130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27851da177e4SLinus Torvalds help 27861da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27871da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27881da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 278972ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 279072ede9b1SAtsushi Nemoto and 2 for all others. 27911da177e4SLinus Torvalds 27921da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 279372ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 279472ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 279572ede9b1SAtsushi Nemoto power of two. 27961da177e4SLinus Torvalds 2797399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2798399aaa25SAl Cooper bool 2799399aaa25SAl Cooper 28007820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP_1024 28017820b84bSDavid Daney bool 28027820b84bSDavid Daney 28037820b84bSDavid Daneyconfig MIPS_NR_CPU_NR_MAP 28047820b84bSDavid Daney int 28057820b84bSDavid Daney depends on SMP 28067820b84bSDavid Daney default 1024 if MIPS_NR_CPU_NR_MAP_1024 28077820b84bSDavid Daney default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024 28087820b84bSDavid Daney 28091723b4a3SAtsushi Nemoto# 28101723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 28111723b4a3SAtsushi Nemoto# 28121723b4a3SAtsushi Nemoto 28131723b4a3SAtsushi Nemotochoice 28141723b4a3SAtsushi Nemoto prompt "Timer frequency" 28151723b4a3SAtsushi Nemoto default HZ_250 28161723b4a3SAtsushi Nemoto help 28171723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 28181723b4a3SAtsushi Nemoto 281967596573SPaul Burton config HZ_24 282067596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 282167596573SPaul Burton 28221723b4a3SAtsushi Nemoto config HZ_48 28230f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 28241723b4a3SAtsushi Nemoto 28251723b4a3SAtsushi Nemoto config HZ_100 28261723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 28271723b4a3SAtsushi Nemoto 28281723b4a3SAtsushi Nemoto config HZ_128 28291723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 28301723b4a3SAtsushi Nemoto 28311723b4a3SAtsushi Nemoto config HZ_250 28321723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 28331723b4a3SAtsushi Nemoto 28341723b4a3SAtsushi Nemoto config HZ_256 28351723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 28361723b4a3SAtsushi Nemoto 28371723b4a3SAtsushi Nemoto config HZ_1000 28381723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 28391723b4a3SAtsushi Nemoto 28401723b4a3SAtsushi Nemoto config HZ_1024 28411723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 28421723b4a3SAtsushi Nemoto 28431723b4a3SAtsushi Nemotoendchoice 28441723b4a3SAtsushi Nemoto 284567596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 284667596573SPaul Burton bool 284767596573SPaul Burton 28481723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 28491723b4a3SAtsushi Nemoto bool 28501723b4a3SAtsushi Nemoto 28511723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 28521723b4a3SAtsushi Nemoto bool 28531723b4a3SAtsushi Nemoto 28541723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 28551723b4a3SAtsushi Nemoto bool 28561723b4a3SAtsushi Nemoto 28571723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 28581723b4a3SAtsushi Nemoto bool 28591723b4a3SAtsushi Nemoto 28601723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 28611723b4a3SAtsushi Nemoto bool 28621723b4a3SAtsushi Nemoto 28631723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 28641723b4a3SAtsushi Nemoto bool 28651723b4a3SAtsushi Nemoto 28661723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 28671723b4a3SAtsushi Nemoto bool 28681723b4a3SAtsushi Nemoto 28691723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 28701723b4a3SAtsushi Nemoto bool 287167596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 287267596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 287367596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 287467596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 287567596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 287667596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 287767596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 28781723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 28791723b4a3SAtsushi Nemoto 28801723b4a3SAtsushi Nemotoconfig HZ 28811723b4a3SAtsushi Nemoto int 288267596573SPaul Burton default 24 if HZ_24 28831723b4a3SAtsushi Nemoto default 48 if HZ_48 28841723b4a3SAtsushi Nemoto default 100 if HZ_100 28851723b4a3SAtsushi Nemoto default 128 if HZ_128 28861723b4a3SAtsushi Nemoto default 250 if HZ_250 28871723b4a3SAtsushi Nemoto default 256 if HZ_256 28881723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28891723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28901723b4a3SAtsushi Nemoto 289196685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 289296685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 289396685b17SDeng-Cheng Zhu 2894ea6e942bSAtsushi Nemotoconfig KEXEC 28957d60717eSKees Cook bool "Kexec system call" 28962965faa5SDave Young select KEXEC_CORE 2897ea6e942bSAtsushi Nemoto help 2898ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2899ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 29003dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2901ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2902ea6e942bSAtsushi Nemoto 290301dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2904ea6e942bSAtsushi Nemoto 2905ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2906ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2907bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2908bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2909bf220695SGeert Uytterhoeven made. 2910ea6e942bSAtsushi Nemoto 29117aa1c8f4SRalf Baechleconfig CRASH_DUMP 29127aa1c8f4SRalf Baechle bool "Kernel crash dumps" 29137aa1c8f4SRalf Baechle help 29147aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 29157aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 29167aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 29177aa1c8f4SRalf Baechle a specially reserved region and then later executed after 29187aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 29197aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 29207aa1c8f4SRalf Baechle PHYSICAL_START. 29217aa1c8f4SRalf Baechle 29227aa1c8f4SRalf Baechleconfig PHYSICAL_START 29237aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 29248bda3e26SMaciej W. Rozycki default "0xffffffff84000000" 29257aa1c8f4SRalf Baechle depends on CRASH_DUMP 29267aa1c8f4SRalf Baechle help 29277aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 29287aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 29297aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 29307aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 29317aa1c8f4SRalf Baechle passed to the panic-ed kernel). 29327aa1c8f4SRalf Baechle 2933ea6e942bSAtsushi Nemotoconfig SECCOMP 2934ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2935293c5bd1SRalf Baechle depends on PROC_FS 2936ea6e942bSAtsushi Nemoto default y 2937ea6e942bSAtsushi Nemoto help 2938ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2939ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2940ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2941ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2942ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2943ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2944ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2945ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2946ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2947ea6e942bSAtsushi Nemoto 2948ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2949ea6e942bSAtsushi Nemoto 2950597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 2951b7f1e273SPaul Burton bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6 2952597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2953597ce172SPaul Burton help 2954597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2955597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2956597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2957597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2958597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2959597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2960597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2961597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2962597ce172SPaul Burton saying N here. 2963597ce172SPaul Burton 296406e2e882SPaul Burton Although binutils currently supports use of this flag the details 296506e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 296606e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 296706e2e882SPaul Burton behaviour before the details have been finalised, this option should 296806e2e882SPaul Burton be considered experimental and only enabled by those working upon 296906e2e882SPaul Burton said details. 297006e2e882SPaul Burton 297106e2e882SPaul Burton If unsure, say N. 2972597ce172SPaul Burton 2973f2ffa5abSDezhong Diaoconfig USE_OF 29740b3e06fdSJonas Gorski bool 2975f2ffa5abSDezhong Diao select OF 2976e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2977abd2363fSGrant Likely select IRQ_DOMAIN 2978f2ffa5abSDezhong Diao 29792fe8ea39SDengcheng Zhuconfig UHI_BOOT 29802fe8ea39SDengcheng Zhu bool 29812fe8ea39SDengcheng Zhu 29827fafb068SAndrew Brestickerconfig BUILTIN_DTB 29837fafb068SAndrew Bresticker bool 29847fafb068SAndrew Bresticker 29851da8f179SJonas Gorskichoice 29865b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29871da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29881da8f179SJonas Gorski 29891da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29901da8f179SJonas Gorski bool "None" 29911da8f179SJonas Gorski help 29921da8f179SJonas Gorski Do not enable appended dtb support. 29931da8f179SJonas Gorski 299487db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 299587db537dSAaro Koskinen bool "vmlinux" 299687db537dSAaro Koskinen help 299787db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 299887db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 299987db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 300087db537dSAaro Koskinen objcopy: 300187db537dSAaro Koskinen 300287db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 300387db537dSAaro Koskinen 300487db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 300587db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 300687db537dSAaro Koskinen the documented boot protocol using a device tree. 300787db537dSAaro Koskinen 30081da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 3009b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 30101da8f179SJonas Gorski help 30111da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 3012b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 30131da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 30141da8f179SJonas Gorski 30151da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 30161da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 30171da8f179SJonas Gorski the documented boot protocol using a device tree. 30181da8f179SJonas Gorski 30191da8f179SJonas Gorski Beware that there is very little in terms of protection against 30201da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 30211da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 30221da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 30231da8f179SJonas Gorski if you don't intend to always append a DTB. 30241da8f179SJonas Gorskiendchoice 30251da8f179SJonas Gorski 30262024972eSJonas Gorskichoice 30272024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 30282bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 30293f5f0a44SPaul Burton !MIPS_MALTA && \ 30302bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 30312024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 30322024972eSJonas Gorski 30332024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 30342024972eSJonas Gorski depends on USE_OF 30352024972eSJonas Gorski bool "Dtb kernel arguments if available" 30362024972eSJonas Gorski 30372024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 30382024972eSJonas Gorski depends on USE_OF 30392024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 30402024972eSJonas Gorski 30412024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 30422024972eSJonas Gorski bool "Bootloader kernel arguments if available" 3043ed47e153SRabin Vincent 3044ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 3045ed47e153SRabin Vincent depends on CMDLINE_BOOL 3046ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 30472024972eSJonas Gorskiendchoice 30482024972eSJonas Gorski 30495e83d430SRalf Baechleendmenu 30505e83d430SRalf Baechle 30511df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 30521df0f0ffSAtsushi Nemoto bool 30531df0f0ffSAtsushi Nemoto default y 30541df0f0ffSAtsushi Nemoto 30551df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 30561df0f0ffSAtsushi Nemoto bool 30571df0f0ffSAtsushi Nemoto default y 30581df0f0ffSAtsushi Nemoto 3059e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 3060e1e16115SAaro Koskinen bool 3061e1e16115SAaro Koskinen default y 3062e1e16115SAaro Koskinen 3063a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 3064a728ab52SKirill A. Shutemov int 30653377e227SAlex Belits default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48 3066a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 3067a728ab52SKirill A. Shutemov default 2 3068a728ab52SKirill A. Shutemov 30696c359eb1SPaul Burtonconfig MIPS_AUTO_PFN_OFFSET 30706c359eb1SPaul Burton bool 30716c359eb1SPaul Burton 30721da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 30731da177e4SLinus Torvalds 3074c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 30752eac9c2dSChristoph Hellwig select PCI_DOMAINS_GENERIC if PCI 3076c5611df9SPaul Burton bool 3077c5611df9SPaul Burton 3078c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3079c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3080c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 30812eac9c2dSChristoph Hellwig select PCI_DOMAINS if PCI 30821da177e4SLinus Torvalds 30831da177e4SLinus Torvalds# 30841da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30851da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30861da177e4SLinus Torvalds# users to choose the right thing ... 30871da177e4SLinus Torvalds# 30881da177e4SLinus Torvaldsconfig ISA 30891da177e4SLinus Torvalds bool 30901da177e4SLinus Torvalds 30911da177e4SLinus Torvaldsconfig TC 30921da177e4SLinus Torvalds bool "TURBOchannel support" 30931da177e4SLinus Torvalds depends on MACH_DECSTATION 30941da177e4SLinus Torvalds help 309550a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 309650a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 309750a23e6eSJustin P. Mattock at: 309850a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 309950a23e6eSJustin P. Mattock and: 310050a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 310150a23e6eSJustin P. Mattock Linux driver support status is documented at: 310250a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 31031da177e4SLinus Torvalds 31041da177e4SLinus Torvaldsconfig MMU 31051da177e4SLinus Torvalds bool 31061da177e4SLinus Torvalds default y 31071da177e4SLinus Torvalds 3108109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MIN 3109109c32ffSMatt Redfearn default 12 if 64BIT 3110109c32ffSMatt Redfearn default 8 3111109c32ffSMatt Redfearn 3112109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_BITS_MAX 3113109c32ffSMatt Redfearn default 18 if 64BIT 3114109c32ffSMatt Redfearn default 15 3115109c32ffSMatt Redfearn 3116109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MIN 3117109c32ffSMatt Redfearn default 8 3118109c32ffSMatt Redfearn 3119109c32ffSMatt Redfearnconfig ARCH_MMAP_RND_COMPAT_BITS_MAX 3120109c32ffSMatt Redfearn default 15 3121109c32ffSMatt Redfearn 3122d865bea4SRalf Baechleconfig I8253 3123d865bea4SRalf Baechle bool 3124798778b8SRussell King select CLKSRC_I8253 31252d02612fSThomas Gleixner select CLKEVT_I8253 31269726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3127d865bea4SRalf Baechle 3128e05eb3f8SRalf Baechleconfig ZONE_DMA 3129e05eb3f8SRalf Baechle bool 3130e05eb3f8SRalf Baechle 3131cce335aeSRalf Baechleconfig ZONE_DMA32 3132cce335aeSRalf Baechle bool 3133cce335aeSRalf Baechle 31341da177e4SLinus Torvaldsendmenu 31351da177e4SLinus Torvalds 31361da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31371da177e4SLinus Torvalds bool 31381da177e4SLinus Torvalds 31391da177e4SLinus Torvaldsconfig MIPS32_COMPAT 314078aaf956SRalf Baechle bool 31411da177e4SLinus Torvalds 31421da177e4SLinus Torvaldsconfig COMPAT 31431da177e4SLinus Torvalds bool 31441da177e4SLinus Torvalds 314505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 314605e43966SAtsushi Nemoto bool 314705e43966SAtsushi Nemoto 31481da177e4SLinus Torvaldsconfig MIPS32_O32 31491da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 315078aaf956SRalf Baechle depends on 64BIT 315178aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 315278aaf956SRalf Baechle select COMPAT 315378aaf956SRalf Baechle select MIPS32_COMPAT 315478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31551da177e4SLinus Torvalds help 31561da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31571da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31581da177e4SLinus Torvalds existing binaries are in this format. 31591da177e4SLinus Torvalds 31601da177e4SLinus Torvalds If unsure, say Y. 31611da177e4SLinus Torvalds 31621da177e4SLinus Torvaldsconfig MIPS32_N32 31631da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3164c22eacfeSRalf Baechle depends on 64BIT 316578aaf956SRalf Baechle select COMPAT 316678aaf956SRalf Baechle select MIPS32_COMPAT 316778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31681da177e4SLinus Torvalds help 31691da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31701da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31711da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31721da177e4SLinus Torvalds cases. 31731da177e4SLinus Torvalds 31741da177e4SLinus Torvalds If unsure, say N. 31751da177e4SLinus Torvalds 31761da177e4SLinus Torvaldsconfig BINFMT_ELF32 31771da177e4SLinus Torvalds bool 31781da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3179f43edca7SRalf Baechle select ELFCORE 31801da177e4SLinus Torvalds 31812116245eSRalf Baechlemenu "Power management options" 3182952fa954SRodolfo Giometti 3183363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3184363c55caSWu Zhangjin def_bool y 31853f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3186363c55caSWu Zhangjin 3187f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3188f4cb5700SJohannes Berg def_bool y 31893f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3190f4cb5700SJohannes Berg 31912116245eSRalf Baechlesource "kernel/power/Kconfig" 3192952fa954SRodolfo Giometti 31931da177e4SLinus Torvaldsendmenu 31941da177e4SLinus Torvalds 31957a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31967a998935SViresh Kumar bool 31977a998935SViresh Kumar 31987a998935SViresh Kumarmenu "CPU Power Management" 3199c095ebafSPaul Burton 3200c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 32017a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 32027a998935SViresh Kumarendif 32039726b43aSWu Zhangjin 3204c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3205c095ebafSPaul Burton 3206c095ebafSPaul Burtonendmenu 3207c095ebafSPaul Burton 320898cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 320998cdee0eSRalf Baechle 32102235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3211