11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 440e084a5SRalf Baechle select ARCH_SUPPORTS_UPROBES 5a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 6393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 75fac4f7aSPaul Burton select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 81ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 9c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 10f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 11ec7748b5SSam Ravnborg select HAVE_IDE 1242d4b839SMathieu Desnoyers select HAVE_OPROFILE 137f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 147f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1588547001SJason Wessel select HAVE_ARCH_KGDB 16490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 17c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 186077776bSDaniel Borkmann select HAVE_CBPF_JIT if !CPU_MICROMIPS 19d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 20538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 21538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2264575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2329c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 24c1bf207dSDavid Daney select HAVE_KPROBES 25c1bf207dSDavid Daney select HAVE_KRETPROBES 26fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 27b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 281d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 292b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 30383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 3130ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 322b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 337463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 34f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3548e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 363bd27e32SDavid Daney select GENERIC_IRQ_PROBE 37f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3878857614SMarkos Chandras select GENERIC_PCI_IOMAP 3994bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 40c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 410f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 429d15ffc8STejun Heo select HAVE_MEMBLOCK 439d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 449d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 45360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 464b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 47cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 48929de4ccSDeng-Cheng Zhu select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 49cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 50786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 5142a0bb3fSPetr Mladek select HAVE_NMI 524febd95aSStephen Rothwell select VIRT_TO_BUS 532f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 542f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5550150d2bSAl Viro select CLONE_BACKWARDS 56d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5719952a92SKees Cook select HAVE_CC_STACKPROTECTOR 58b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 59cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 6090cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 61d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 62bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 63ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 64a7f4df4eSAlex Smith select GENERIC_TIME_VSYSCALL 65a7f4df4eSAlex Smith select ARCH_CLOCKSOURCE_DATA 661d2753a6SDavid Daney select HANDLE_DOMAIN_IRQ 67432c6bacSPaul Burton select HAVE_EXIT_THREAD 6808bccf43SMarcin Nowakowski select HAVE_REGS_AND_STACK_ACCESS_API 691da177e4SLinus Torvalds 701da177e4SLinus Torvaldsmenu "Machine selection" 711da177e4SLinus Torvalds 725e83d430SRalf Baechlechoice 735e83d430SRalf Baechle prompt "System type" 745e83d430SRalf Baechle default SGI_IP22 751da177e4SLinus Torvalds 76eed0eabdSPaul Burtonconfig MIPS_GENERIC 77eed0eabdSPaul Burton bool "Generic board-agnostic MIPS kernel" 78eed0eabdSPaul Burton select BOOT_RAW 79eed0eabdSPaul Burton select BUILTIN_DTB 80eed0eabdSPaul Burton select CEVT_R4K 81eed0eabdSPaul Burton select CLKSRC_MIPS_GIC 82eed0eabdSPaul Burton select COMMON_CLK 83eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_VI 84eed0eabdSPaul Burton select CPU_MIPSR2_IRQ_EI 85eed0eabdSPaul Burton select CSRC_R4K 86eed0eabdSPaul Burton select DMA_PERDEV_COHERENT 87eed0eabdSPaul Burton select HW_HAS_PCI 88eed0eabdSPaul Burton select IRQ_MIPS_CPU 89eed0eabdSPaul Burton select LIBFDT 90eed0eabdSPaul Burton select MIPS_CPU_SCACHE 91eed0eabdSPaul Burton select MIPS_GIC 92eed0eabdSPaul Burton select MIPS_L1_CACHE_SHIFT_7 93eed0eabdSPaul Burton select NO_EXCEPT_FILL 94eed0eabdSPaul Burton select PCI_DRIVERS_GENERIC 95eed0eabdSPaul Burton select PINCTRL 96eed0eabdSPaul Burton select SMP_UP if SMP 97eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R1 98eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R2 99eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS32_R6 100eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R1 101eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R2 102eed0eabdSPaul Burton select SYS_HAS_CPU_MIPS64_R6 103eed0eabdSPaul Burton select SYS_SUPPORTS_32BIT_KERNEL 104eed0eabdSPaul Burton select SYS_SUPPORTS_64BIT_KERNEL 105eed0eabdSPaul Burton select SYS_SUPPORTS_BIG_ENDIAN 106eed0eabdSPaul Burton select SYS_SUPPORTS_HIGHMEM 107eed0eabdSPaul Burton select SYS_SUPPORTS_LITTLE_ENDIAN 108eed0eabdSPaul Burton select SYS_SUPPORTS_MICROMIPS 109eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS_CPS 110eed0eabdSPaul Burton select SYS_SUPPORTS_MIPS16 111eed0eabdSPaul Burton select SYS_SUPPORTS_MULTITHREADING 112eed0eabdSPaul Burton select SYS_SUPPORTS_RELOCATABLE 113eed0eabdSPaul Burton select SYS_SUPPORTS_SMARTMIPS 114eed0eabdSPaul Burton select USB_EHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 115eed0eabdSPaul Burton select USB_EHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 116eed0eabdSPaul Burton select USB_OHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 117eed0eabdSPaul Burton select USB_OHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 118eed0eabdSPaul Burton select USB_UHCI_BIG_ENDIAN_DESC if BIG_ENDIAN 119eed0eabdSPaul Burton select USB_UHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN 120eed0eabdSPaul Burton select USE_OF 121eed0eabdSPaul Burton help 122eed0eabdSPaul Burton Select this to build a kernel which aims to support multiple boards, 123eed0eabdSPaul Burton generally using a flattened device tree passed from the bootloader 124eed0eabdSPaul Burton using the boot protocol defined in the UHI (Unified Hosting 125eed0eabdSPaul Burton Interface) specification. 126eed0eabdSPaul Burton 12742a4f17dSManuel Laussconfig MIPS_ALCHEMY 128c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 12934adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 130f772cdb2SRalf Baechle select CEVT_R4K 131d7ea335cSSteven J. Hill select CSRC_R4K 13267e38cf2SRalf Baechle select IRQ_MIPS_CPU 13388e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 13442a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 13542a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 13642a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 137d30a2b47SLinus Walleij select GPIOLIB 1381b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 13947440229SManuel Lauss select COMMON_CLK 1401da177e4SLinus Torvalds 1417ca5dc14SFlorian Fainelliconfig AR7 1427ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 1437ca5dc14SFlorian Fainelli select BOOT_ELF32 1447ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 1457ca5dc14SFlorian Fainelli select CEVT_R4K 1467ca5dc14SFlorian Fainelli select CSRC_R4K 14767e38cf2SRalf Baechle select IRQ_MIPS_CPU 1487ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 1497ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 1507ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 1517ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 1527ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 1537ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 154377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1551b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 156d30a2b47SLinus Walleij select GPIOLIB 1577ca5dc14SFlorian Fainelli select VLYNQ 1588551fb64SYoichi Yuasa select HAVE_CLK 1597ca5dc14SFlorian Fainelli help 1607ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1617ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1627ca5dc14SFlorian Fainelli 16343cc739fSSergey Ryazanovconfig ATH25 16443cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 16543cc739fSSergey Ryazanov select CEVT_R4K 16643cc739fSSergey Ryazanov select CSRC_R4K 16743cc739fSSergey Ryazanov select DMA_NONCOHERENT 16867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1691753e74eSSergey Ryazanov select IRQ_DOMAIN 17043cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 17143cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 17243cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1738aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 17443cc739fSSergey Ryazanov help 17543cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 17643cc739fSSergey Ryazanov 177d4a67d9dSGabor Juhosconfig ATH79 178d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 179ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 180d4a67d9dSGabor Juhos select BOOT_RAW 181d4a67d9dSGabor Juhos select CEVT_R4K 182d4a67d9dSGabor Juhos select CSRC_R4K 183d4a67d9dSGabor Juhos select DMA_NONCOHERENT 184d30a2b47SLinus Walleij select GPIOLIB 18594638067SGabor Juhos select HAVE_CLK 186411520afSAlban Bedel select COMMON_CLK 1872c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 18867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1890aabf1a4SGabor Juhos select MIPS_MACHINE 190d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 191d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 192d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 193d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 194377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 195b3f0a250SAlban Bedel select SYS_SUPPORTS_ZBOOT_UART_PROM 19603c8c407SAlban Bedel select USE_OF 197d4a67d9dSGabor Juhos help 198d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 199d4a67d9dSGabor Juhos 2005f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 2015f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 202d666cd02SKevin Cernekee select BOOT_RAW 203d666cd02SKevin Cernekee select NO_EXCEPT_FILL 204d666cd02SKevin Cernekee select USE_OF 205d666cd02SKevin Cernekee select CEVT_R4K 206d666cd02SKevin Cernekee select CSRC_R4K 207d666cd02SKevin Cernekee select SYNC_R4K 208d666cd02SKevin Cernekee select COMMON_CLK 209c7c42ec2SSimon Arlott select BCM6345_L1_IRQ 21060b858f2SKevin Cernekee select BCM7038_L1_IRQ 21160b858f2SKevin Cernekee select BCM7120_L2_IRQ 21260b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 21367e38cf2SRalf Baechle select IRQ_MIPS_CPU 21460b858f2SKevin Cernekee select DMA_NONCOHERENT 215d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 21660b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 217d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 218d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 21960b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 22060b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 22160b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 222d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 223d666cd02SKevin Cernekee select SWAP_IO_SPACE 22460b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 22560b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 22660b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 22760b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 228d666cd02SKevin Cernekee help 2295f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 2305f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 2315f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 2325f2d4459SKevin Cernekee must be set appropriately for your board. 233d666cd02SKevin Cernekee 2341c0c13ebSAurelien Jarnoconfig BCM47XX 235c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 236fe08f8c2SHauke Mehrtens select BOOT_RAW 23742f77542SRalf Baechle select CEVT_R4K 238940f6b48SRalf Baechle select CSRC_R4K 2391c0c13ebSAurelien Jarno select DMA_NONCOHERENT 2401c0c13ebSAurelien Jarno select HW_HAS_PCI 24167e38cf2SRalf Baechle select IRQ_MIPS_CPU 242314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 243dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 2441c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 2451c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 246377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 24725e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 248e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 249c949c0bcSRafał Miłecki select GPIOLIB 250c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 251f6e734a8SRafał Miłecki select BCM47XX_NVRAM 2522ab71a02SRafał Miłecki select BCM47XX_SPROM 2531c0c13ebSAurelien Jarno help 2541c0c13ebSAurelien Jarno Support for BCM47XX based boards 2551c0c13ebSAurelien Jarno 256e7300d04SMaxime Bizonconfig BCM63XX 257e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 258ae8de61cSFlorian Fainelli select BOOT_RAW 259e7300d04SMaxime Bizon select CEVT_R4K 260e7300d04SMaxime Bizon select CSRC_R4K 261fc264022SJonas Gorski select SYNC_R4K 262e7300d04SMaxime Bizon select DMA_NONCOHERENT 26367e38cf2SRalf Baechle select IRQ_MIPS_CPU 264e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 265e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 266e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 267e7300d04SMaxime Bizon select SWAP_IO_SPACE 268d30a2b47SLinus Walleij select GPIOLIB 2693e82eeebSYoichi Yuasa select HAVE_CLK 270af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 271e7300d04SMaxime Bizon help 272e7300d04SMaxime Bizon Support for BCM63XX based boards 273e7300d04SMaxime Bizon 2741da177e4SLinus Torvaldsconfig MIPS_COBALT 2753fa986faSMartin Michlmayr bool "Cobalt Server" 27642f77542SRalf Baechle select CEVT_R4K 277940f6b48SRalf Baechle select CSRC_R4K 2781097c6acSYoichi Yuasa select CEVT_GT641XX 2791da177e4SLinus Torvalds select DMA_NONCOHERENT 2801da177e4SLinus Torvalds select HW_HAS_PCI 281d865bea4SRalf Baechle select I8253 2821da177e4SLinus Torvalds select I8259 28367e38cf2SRalf Baechle select IRQ_MIPS_CPU 284d5ab1a69SYoichi Yuasa select IRQ_GT641XX 285252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 286e25bfc92SYoichi Yuasa select PCI 2877cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2880a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 289ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2900e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2915e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 292e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvaldsconfig MACH_DECSTATION 2953fa986faSMartin Michlmayr bool "DECstations" 2961da177e4SLinus Torvalds select BOOT_ELF32 2976457d9fcSYoichi Yuasa select CEVT_DS1287 29881d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2994247417dSYoichi Yuasa select CSRC_IOASIC 30081d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 30120d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 30220d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 30320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 3041da177e4SLinus Torvalds select DMA_NONCOHERENT 305ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 30667e38cf2SRalf Baechle select IRQ_MIPS_CPU 3077cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 3087cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 309ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3107d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3115e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3121723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 3131723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 3141723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 315930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 3165e83d430SRalf Baechle help 3171da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 3181da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 3191da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 3221da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds DECstation 5000/50 3251da177e4SLinus Torvalds DECstation 5000/150 3261da177e4SLinus Torvalds DECstation 5000/260 3271da177e4SLinus Torvalds DECsystem 5900/260 3281da177e4SLinus Torvalds 3291da177e4SLinus Torvalds otherwise choose R3000. 3301da177e4SLinus Torvalds 3315e83d430SRalf Baechleconfig MACH_JAZZ 3323fa986faSMartin Michlmayr bool "Jazz family of machines" 3330e2794b0SRalf Baechle select FW_ARC 3340e2794b0SRalf Baechle select FW_ARC32 3355e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 33642f77542SRalf Baechle select CEVT_R4K 337940f6b48SRalf Baechle select CSRC_R4K 338e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 3395e83d430SRalf Baechle select GENERIC_ISA_DMA 3408a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 34167e38cf2SRalf Baechle select IRQ_MIPS_CPU 342d865bea4SRalf Baechle select I8253 3435e83d430SRalf Baechle select I8259 3445e83d430SRalf Baechle select ISA 3457cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3465e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3477d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 3481723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 3491da177e4SLinus Torvalds help 3505e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 3515e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 352692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 3535e83d430SRalf Baechle Olivetti M700-10 workstations. 3545e83d430SRalf Baechle 355de361e8bSPaul Burtonconfig MACH_INGENIC 356de361e8bSPaul Burton bool "Ingenic SoC based machines" 3575ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3585ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 359f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3605ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 36167e38cf2SRalf Baechle select IRQ_MIPS_CPU 362d30a2b47SLinus Walleij select GPIOLIB 363ff1930c6SPaul Burton select COMMON_CLK 36483bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 365ffb1843dSPaul Burton select BUILTIN_DTB 366ffb1843dSPaul Burton select USE_OF 3676ec127fbSPaul Burton select LIBFDT 3685ebabe59SLars-Peter Clausen 369171bb2f1SJohn Crispinconfig LANTIQ 370171bb2f1SJohn Crispin bool "Lantiq based platforms" 371171bb2f1SJohn Crispin select DMA_NONCOHERENT 37267e38cf2SRalf Baechle select IRQ_MIPS_CPU 373171bb2f1SJohn Crispin select CEVT_R4K 374171bb2f1SJohn Crispin select CSRC_R4K 375171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 376171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 377171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 378171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 379377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 380171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 381171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 382d30a2b47SLinus Walleij select GPIOLIB 383171bb2f1SJohn Crispin select SWAP_IO_SPACE 384171bb2f1SJohn Crispin select BOOT_RAW 385287e3f3fSJohn Crispin select CLKDEV_LOOKUP 386a0392222SJohn Crispin select USE_OF 3873f8c50c9SJohn Crispin select PINCTRL 3883f8c50c9SJohn Crispin select PINCTRL_LANTIQ 389c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 390c530781cSJohn Crispin select RESET_CONTROLLER 391171bb2f1SJohn Crispin 3921f21d2bdSBrian Murphyconfig LASAT 3931f21d2bdSBrian Murphy bool "LASAT Networks platforms" 39442f77542SRalf Baechle select CEVT_R4K 39516f0bbbcSRalf Baechle select CRC32 396940f6b48SRalf Baechle select CSRC_R4K 3971f21d2bdSBrian Murphy select DMA_NONCOHERENT 3981f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3991f21d2bdSBrian Murphy select HW_HAS_PCI 40067e38cf2SRalf Baechle select IRQ_MIPS_CPU 4011f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 4021f21d2bdSBrian Murphy select MIPS_NILE4 4031f21d2bdSBrian Murphy select R5000_CPU_SCACHE 4041f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 4051f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 4061f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 4071f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 4081f21d2bdSBrian Murphy 40930ad29bbSHuacai Chenconfig MACH_LOONGSON32 41030ad29bbSHuacai Chen bool "Loongson-1 family of machines" 411c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 412ade299d8SYoichi Yuasa help 41330ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 41485749d24SWu Zhangjin 41530ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 41630ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 41730ad29bbSHuacai Chen Sciences (CAS). 418ade299d8SYoichi Yuasa 41930ad29bbSHuacai Chenconfig MACH_LOONGSON64 42030ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 421ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 422ca585cf9SKelvin Cheung help 42330ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 424ca585cf9SKelvin Cheung 42530ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 42630ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 42730ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 42830ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 42930ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 43030ad29bbSHuacai Chen Weiwu Hu. 431ca585cf9SKelvin Cheung 4326a438309SAndrew Brestickerconfig MACH_PISTACHIO 4336a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 4346a438309SAndrew Bresticker select BOOT_ELF32 4356a438309SAndrew Bresticker select BOOT_RAW 4366a438309SAndrew Bresticker select CEVT_R4K 4376a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 4386a438309SAndrew Bresticker select COMMON_CLK 4396a438309SAndrew Bresticker select CSRC_R4K 440645c7827SZubair Lutfullah Kakakhel select DMA_NONCOHERENT 441d30a2b47SLinus Walleij select GPIOLIB 44267e38cf2SRalf Baechle select IRQ_MIPS_CPU 4436a438309SAndrew Bresticker select LIBFDT 4446a438309SAndrew Bresticker select MFD_SYSCON 4456a438309SAndrew Bresticker select MIPS_CPU_SCACHE 4466a438309SAndrew Bresticker select MIPS_GIC 4476a438309SAndrew Bresticker select PINCTRL 4486a438309SAndrew Bresticker select REGULATOR 4496a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 4506a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 4516a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 4526a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 4536a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 45441cc07beSMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 4556a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 456018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 457018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4586a438309SAndrew Bresticker select USE_OF 4596a438309SAndrew Bresticker help 4606a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4616a438309SAndrew Bresticker 4629937f5ffSZubair Lutfullah Kakakhelconfig MACH_XILFPGA 4639937f5ffSZubair Lutfullah Kakakhel bool "MIPSfpga Xilinx based boards" 4649937f5ffSZubair Lutfullah Kakakhel select BOOT_ELF32 4659937f5ffSZubair Lutfullah Kakakhel select BOOT_RAW 4669937f5ffSZubair Lutfullah Kakakhel select BUILTIN_DTB 4679937f5ffSZubair Lutfullah Kakakhel select CEVT_R4K 4689937f5ffSZubair Lutfullah Kakakhel select COMMON_CLK 4699937f5ffSZubair Lutfullah Kakakhel select CSRC_R4K 470d30a2b47SLinus Walleij select GPIOLIB 4719937f5ffSZubair Lutfullah Kakakhel select IRQ_MIPS_CPU 4729937f5ffSZubair Lutfullah Kakakhel select LIBFDT 4739937f5ffSZubair Lutfullah Kakakhel select MIPS_CPU_SCACHE 4749937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_EARLY_PRINTK 4759937f5ffSZubair Lutfullah Kakakhel select SYS_HAS_CPU_MIPS32_R2 4769937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_32BIT_KERNEL 4779937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_LITTLE_ENDIAN 4789937f5ffSZubair Lutfullah Kakakhel select SYS_SUPPORTS_ZBOOT_UART16550 4799937f5ffSZubair Lutfullah Kakakhel select USE_OF 4809937f5ffSZubair Lutfullah Kakakhel select USE_GENERIC_EARLY_PRINTK_8250 4819937f5ffSZubair Lutfullah Kakakhel help 4829937f5ffSZubair Lutfullah Kakakhel This enables support for the IMG University Program MIPSfpga platform. 4839937f5ffSZubair Lutfullah Kakakhel 4841da177e4SLinus Torvaldsconfig MIPS_MALTA 4853fa986faSMartin Michlmayr bool "MIPS Malta board" 48661ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4871da177e4SLinus Torvalds select BOOT_ELF32 488fa71c960SRalf Baechle select BOOT_RAW 489e8823d26SPaul Burton select BUILTIN_DTB 49042f77542SRalf Baechle select CEVT_R4K 491940f6b48SRalf Baechle select CSRC_R4K 492fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 49342b002abSGuenter Roeck select COMMON_CLK 494885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4951da177e4SLinus Torvalds select GENERIC_ISA_DMA 4968a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 49767e38cf2SRalf Baechle select IRQ_MIPS_CPU 4988a19b8f1SAndrew Bresticker select MIPS_GIC 4991da177e4SLinus Torvalds select HW_HAS_PCI 500d865bea4SRalf Baechle select I8253 5011da177e4SLinus Torvalds select I8259 5025e83d430SRalf Baechle select MIPS_BONITO64 5039318c51aSChris Dearman select MIPS_CPU_SCACHE 504a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 505252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 5065e83d430SRalf Baechle select MIPS_MSC 507ecafe3e9SPaul Burton select SMP_UP if SMP 5081da177e4SLinus Torvalds select SWAP_IO_SPACE 5097cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 5107cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 511bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 512c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 513575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 5147cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 5155d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 516575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 5177cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 5187cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 519ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 520ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5215e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 522c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 5235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 524424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 5250365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 526e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 527377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 528f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 5299693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 5301b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 5318c530ea3SMatt Redfearn select SYS_SUPPORTS_RELOCATABLE 532e8823d26SPaul Burton select USE_OF 53338ec82feSPaul Burton select LIBFDT 534abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 535e81a8c7dSPaul Burton select BUILTIN_DTB 536e81a8c7dSPaul Burton select LIBFDT 5371da177e4SLinus Torvalds help 538f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 5391da177e4SLinus Torvalds board. 5401da177e4SLinus Torvalds 5412572f00dSJoshua Hendersonconfig MACH_PIC32 5422572f00dSJoshua Henderson bool "Microchip PIC32 Family" 5432572f00dSJoshua Henderson help 5442572f00dSJoshua Henderson This enables support for the Microchip PIC32 family of platforms. 5452572f00dSJoshua Henderson 5462572f00dSJoshua Henderson Microchip PIC32 is a family of general-purpose 32 bit MIPS core 5472572f00dSJoshua Henderson microcontrollers. 5482572f00dSJoshua Henderson 549a83860c2SRalf Baechleconfig NEC_MARKEINS 550a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 551a83860c2SRalf Baechle select SOC_EMMA2RH 552a83860c2SRalf Baechle select HW_HAS_PCI 553a83860c2SRalf Baechle help 554a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 555ade299d8SYoichi Yuasa 5565e83d430SRalf Baechleconfig MACH_VR41XX 55774142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 55842f77542SRalf Baechle select CEVT_R4K 559940f6b48SRalf Baechle select CSRC_R4K 5607cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 561377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 562d30a2b47SLinus Walleij select GPIOLIB 5635e83d430SRalf Baechle 564edb6310aSDaniel Lairdconfig NXP_STB220 565edb6310aSDaniel Laird bool "NXP STB220 board" 566edb6310aSDaniel Laird select SOC_PNX833X 567edb6310aSDaniel Laird help 568edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 569edb6310aSDaniel Laird 570edb6310aSDaniel Lairdconfig NXP_STB225 571edb6310aSDaniel Laird bool "NXP 225 board" 572edb6310aSDaniel Laird select SOC_PNX833X 573edb6310aSDaniel Laird select SOC_PNX8335 574edb6310aSDaniel Laird help 575edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 576edb6310aSDaniel Laird 5779267a30dSMarc St-Jeanconfig PMC_MSP 5789267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 57939d30c13SAnoop P A select CEVT_R4K 58039d30c13SAnoop P A select CSRC_R4K 5819267a30dSMarc St-Jean select DMA_NONCOHERENT 5829267a30dSMarc St-Jean select SWAP_IO_SPACE 5839267a30dSMarc St-Jean select NO_EXCEPT_FILL 5849267a30dSMarc St-Jean select BOOT_RAW 5859267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5869267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5879267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5889267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 589377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 59067e38cf2SRalf Baechle select IRQ_MIPS_CPU 5919267a30dSMarc St-Jean select SERIAL_8250 5929267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5939296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5949296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5959267a30dSMarc St-Jean help 5969267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5979267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5989267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5999267a30dSMarc St-Jean a variety of MIPS cores. 6009267a30dSMarc St-Jean 601ae2b5bb6SJohn Crispinconfig RALINK 602ae2b5bb6SJohn Crispin bool "Ralink based machines" 603ae2b5bb6SJohn Crispin select CEVT_R4K 604ae2b5bb6SJohn Crispin select CSRC_R4K 605ae2b5bb6SJohn Crispin select BOOT_RAW 606ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 60767e38cf2SRalf Baechle select IRQ_MIPS_CPU 608ae2b5bb6SJohn Crispin select USE_OF 609ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 610ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 611ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 612ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 613377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 614ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 615ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 6162a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 6172a153f1cSJohn Crispin select RESET_CONTROLLER 618ae2b5bb6SJohn Crispin 6191da177e4SLinus Torvaldsconfig SGI_IP22 6203fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 6210e2794b0SRalf Baechle select FW_ARC 6220e2794b0SRalf Baechle select FW_ARC32 6231da177e4SLinus Torvalds select BOOT_ELF32 62442f77542SRalf Baechle select CEVT_R4K 625940f6b48SRalf Baechle select CSRC_R4K 626e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 6271da177e4SLinus Torvalds select DMA_NONCOHERENT 6285e83d430SRalf Baechle select HW_HAS_EISA 629d865bea4SRalf Baechle select I8253 63068de4803SThomas Bogendoerfer select I8259 6311da177e4SLinus Torvalds select IP22_CPU_SCACHE 63267e38cf2SRalf Baechle select IRQ_MIPS_CPU 633aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 634e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 635e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 63636e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 637e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 638e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 639e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 6401da177e4SLinus Torvalds select SWAP_IO_SPACE 6417cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 6427cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6432b5e63f6SMartin Michlmayr # 6442b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6452b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6462b5e63f6SMartin Michlmayr # 6472b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6482b5e63f6SMartin Michlmayr # for a more details discussion 6492b5e63f6SMartin Michlmayr # 6502b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 651ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 652ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6535e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 654930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6551da177e4SLinus Torvalds help 6561da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6571da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6581da177e4SLinus Torvalds that runs on these, say Y here. 6591da177e4SLinus Torvalds 6601da177e4SLinus Torvaldsconfig SGI_IP27 6613fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6620e2794b0SRalf Baechle select FW_ARC 6630e2794b0SRalf Baechle select FW_ARC64 6645e83d430SRalf Baechle select BOOT_ELF64 665e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 666634286f1SRalf Baechle select DMA_COHERENT 66736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6681da177e4SLinus Torvalds select HW_HAS_PCI 669130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6707cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 671ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6725e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 673d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6741a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 675930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6761da177e4SLinus Torvalds help 6771da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6781da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6791da177e4SLinus Torvalds here. 6801da177e4SLinus Torvalds 681e2defae5SThomas Bogendoerferconfig SGI_IP28 6827d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6830e2794b0SRalf Baechle select FW_ARC 6840e2794b0SRalf Baechle select FW_ARC64 685e2defae5SThomas Bogendoerfer select BOOT_ELF64 686e2defae5SThomas Bogendoerfer select CEVT_R4K 687e2defae5SThomas Bogendoerfer select CSRC_R4K 688e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 689e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 690e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 69167e38cf2SRalf Baechle select IRQ_MIPS_CPU 692e2defae5SThomas Bogendoerfer select HW_HAS_EISA 693e2defae5SThomas Bogendoerfer select I8253 694e2defae5SThomas Bogendoerfer select I8259 695e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 696e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6975b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 698e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 699e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 700e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 701e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 702e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 7032b5e63f6SMartin Michlmayr # 7042b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 7052b5e63f6SMartin Michlmayr # memory during early boot on some machines. 7062b5e63f6SMartin Michlmayr # 7072b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 7082b5e63f6SMartin Michlmayr # for a more details discussion 7092b5e63f6SMartin Michlmayr # 7102b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 711e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 712e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 713dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 714e2defae5SThomas Bogendoerfer help 715e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 716e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 717e2defae5SThomas Bogendoerfer 7181da177e4SLinus Torvaldsconfig SGI_IP32 719cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 7200e2794b0SRalf Baechle select FW_ARC 7210e2794b0SRalf Baechle select FW_ARC32 7221da177e4SLinus Torvalds select BOOT_ELF32 72342f77542SRalf Baechle select CEVT_R4K 724940f6b48SRalf Baechle select CSRC_R4K 7251da177e4SLinus Torvalds select DMA_NONCOHERENT 7261da177e4SLinus Torvalds select HW_HAS_PCI 72767e38cf2SRalf Baechle select IRQ_MIPS_CPU 7281da177e4SLinus Torvalds select R5000_CPU_SCACHE 7291da177e4SLinus Torvalds select RM7000_CPU_SCACHE 7307cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 7317cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 7327cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 733dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 734ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 7355e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7361da177e4SLinus Torvalds help 7371da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 7381da177e4SLinus Torvalds 739ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 740ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 7415e83d430SRalf Baechle select BOOT_ELF32 7425e83d430SRalf Baechle select DMA_COHERENT 7435e83d430SRalf Baechle select SIBYTE_BCM1120 7445e83d430SRalf Baechle select SWAP_IO_SPACE 7457cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7465e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7475e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7485e83d430SRalf Baechle 749ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 750ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 7515e83d430SRalf Baechle select BOOT_ELF32 7525e83d430SRalf Baechle select DMA_COHERENT 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 7595e83d430SRalf Baechleconfig SIBYTE_CRHONE 7603fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7615e83d430SRalf Baechle select BOOT_ELF32 7625e83d430SRalf Baechle select DMA_COHERENT 7635e83d430SRalf Baechle select SIBYTE_BCM1125 7645e83d430SRalf Baechle select SWAP_IO_SPACE 7657cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7665e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7675e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7685e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7695e83d430SRalf Baechle 770ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 771ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 772ade299d8SYoichi Yuasa select BOOT_ELF32 773ade299d8SYoichi Yuasa select DMA_COHERENT 774ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 775ade299d8SYoichi Yuasa select SWAP_IO_SPACE 776ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 777ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 778ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 779ade299d8SYoichi Yuasa 780ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 781ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 782ade299d8SYoichi Yuasa select BOOT_ELF32 783ade299d8SYoichi Yuasa select DMA_COHERENT 784fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 785ade299d8SYoichi Yuasa select SIBYTE_SB1250 786ade299d8SYoichi Yuasa select SWAP_IO_SPACE 787ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 788ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 789ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 790ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 791cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 792ade299d8SYoichi Yuasa 793ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 794ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 795ade299d8SYoichi Yuasa select BOOT_ELF32 796ade299d8SYoichi Yuasa select DMA_COHERENT 797fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 798ade299d8SYoichi Yuasa select SIBYTE_SB1250 799ade299d8SYoichi Yuasa select SWAP_IO_SPACE 800ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 801ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 802ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 803ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 804ade299d8SYoichi Yuasa 805ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 806ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 807ade299d8SYoichi Yuasa select BOOT_ELF32 808ade299d8SYoichi Yuasa select DMA_COHERENT 809ade299d8SYoichi Yuasa select SIBYTE_SB1250 810ade299d8SYoichi Yuasa select SWAP_IO_SPACE 811ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 812ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 813ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 814ade299d8SYoichi Yuasa 815ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 816ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 817ade299d8SYoichi Yuasa select BOOT_ELF32 818ade299d8SYoichi Yuasa select DMA_COHERENT 819ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 820ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 821ade299d8SYoichi Yuasa select SWAP_IO_SPACE 822ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 823ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 824651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 825ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 826cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 827ade299d8SYoichi Yuasa 82814b36af4SThomas Bogendoerferconfig SNI_RM 82914b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 8300e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 8310e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 832aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 8335e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 8345e83d430SRalf Baechle select BOOT_ELF32 83542f77542SRalf Baechle select CEVT_R4K 836940f6b48SRalf Baechle select CSRC_R4K 837e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 8385e83d430SRalf Baechle select DMA_NONCOHERENT 8395e83d430SRalf Baechle select GENERIC_ISA_DMA 8408a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 8415e83d430SRalf Baechle select HW_HAS_EISA 8425e83d430SRalf Baechle select HW_HAS_PCI 84367e38cf2SRalf Baechle select IRQ_MIPS_CPU 844d865bea4SRalf Baechle select I8253 8455e83d430SRalf Baechle select I8259 8465e83d430SRalf Baechle select ISA 8474a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 8487cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 8494a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 850c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 8514a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 85236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 853ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 8547d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8554a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8565e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8575e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8581da177e4SLinus Torvalds help 85914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 86014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8615e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8625e83d430SRalf Baechle support this machine type. 8631da177e4SLinus Torvalds 864edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 865edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8665e83d430SRalf Baechle 867edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 868edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 86923fbee9dSRalf Baechle 87073b4390fSRalf Baechleconfig MIKROTIK_RB532 87173b4390fSRalf Baechle bool "Mikrotik RB532 boards" 87273b4390fSRalf Baechle select CEVT_R4K 87373b4390fSRalf Baechle select CSRC_R4K 87473b4390fSRalf Baechle select DMA_NONCOHERENT 87573b4390fSRalf Baechle select HW_HAS_PCI 87667e38cf2SRalf Baechle select IRQ_MIPS_CPU 87773b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 87873b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 87973b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 88073b4390fSRalf Baechle select SWAP_IO_SPACE 88173b4390fSRalf Baechle select BOOT_RAW 882d30a2b47SLinus Walleij select GPIOLIB 883930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 88473b4390fSRalf Baechle help 88573b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 88673b4390fSRalf Baechle based on the IDT RC32434 SoC. 88773b4390fSRalf Baechle 8889ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8899ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 890a86c7f72SDavid Daney select CEVT_R4K 89134adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 892a86c7f72SDavid Daney select DMA_COHERENT 893a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 894a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 895f65aad41SRalf Baechle select EDAC_SUPPORT 896b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 89773569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 89873569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 899a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 9005e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 901e8635b48SDavid Daney select HW_HAS_PCI 902f00e001eSDavid Daney select ZONE_DMA32 903465aaed0SDavid Daney select HOLES_IN_ZONE 904d30a2b47SLinus Walleij select GPIOLIB 9056e511163SDavid Daney select LIBFDT 9066e511163SDavid Daney select USE_OF 9076e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 9086e511163SDavid Daney select SYS_SUPPORTS_SMP 9096e511163SDavid Daney select NR_CPUS_DEFAULT_16 910e326479fSAndrew Bresticker select BUILTIN_DTB 9118c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 912a86c7f72SDavid Daney help 913a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 914a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 915a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 916a86c7f72SDavid Daney Some of the supported boards are: 917a86c7f72SDavid Daney EBT3000 918a86c7f72SDavid Daney EBH3000 919a86c7f72SDavid Daney EBH3100 920a86c7f72SDavid Daney Thunder 921a86c7f72SDavid Daney Kodama 922a86c7f72SDavid Daney Hikari 923a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 924a86c7f72SDavid Daney 9257f058e85SJayachandran Cconfig NLM_XLR_BOARD 9267f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 9277f058e85SJayachandran C select BOOT_ELF32 9287f058e85SJayachandran C select NLM_COMMON 9297f058e85SJayachandran C select SYS_HAS_CPU_XLR 9307f058e85SJayachandran C select SYS_SUPPORTS_SMP 9317f058e85SJayachandran C select HW_HAS_PCI 9327f058e85SJayachandran C select SWAP_IO_SPACE 9337f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9347f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 93534adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 9367f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9377f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 9387f058e85SJayachandran C select DMA_COHERENT 9397f058e85SJayachandran C select NR_CPUS_DEFAULT_32 9407f058e85SJayachandran C select CEVT_R4K 9417f058e85SJayachandran C select CSRC_R4K 94267e38cf2SRalf Baechle select IRQ_MIPS_CPU 943b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9447f058e85SJayachandran C select SYNC_R4K 9457f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 9468f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9478f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9487f058e85SJayachandran C help 9497f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 9507f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 9517f058e85SJayachandran C 9521c773ea4SJayachandran Cconfig NLM_XLP_BOARD 9531c773ea4SJayachandran C bool "Netlogic XLP based systems" 9541c773ea4SJayachandran C select BOOT_ELF32 9551c773ea4SJayachandran C select NLM_COMMON 9561c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9571c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9581c773ea4SJayachandran C select HW_HAS_PCI 9591c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9601c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 96134adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 962d30a2b47SLinus Walleij select GPIOLIB 9631c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9641c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9651c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9661c773ea4SJayachandran C select DMA_COHERENT 9671c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9681c773ea4SJayachandran C select CEVT_R4K 9691c773ea4SJayachandran C select CSRC_R4K 97067e38cf2SRalf Baechle select IRQ_MIPS_CPU 971b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9721c773ea4SJayachandran C select SYNC_R4K 9731c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9742f6528e1SJayachandran C select USE_OF 9758f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9768f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9771c773ea4SJayachandran C help 9781c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9791c773ea4SJayachandran C Say Y here if you have a XLP based board. 9801c773ea4SJayachandran C 9819bc463beSDavid Daneyconfig MIPS_PARAVIRT 9829bc463beSDavid Daney bool "Para-Virtualized guest system" 9839bc463beSDavid Daney select CEVT_R4K 9849bc463beSDavid Daney select CSRC_R4K 9859bc463beSDavid Daney select DMA_COHERENT 9869bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9879bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9889bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9899bc463beSDavid Daney select SYS_SUPPORTS_SMP 9909bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9919bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9929bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9939bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9949bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9959bc463beSDavid Daney select HW_HAS_PCI 9969bc463beSDavid Daney select SWAP_IO_SPACE 9979bc463beSDavid Daney help 9989bc463beSDavid Daney This option supports guest running under ???? 9999bc463beSDavid Daney 10001da177e4SLinus Torvaldsendchoice 10011da177e4SLinus Torvalds 1002e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 10033b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 1004d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 1005a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 1006e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 10078945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 1008eed0eabdSPaul Burtonsource "arch/mips/generic/Kconfig" 10095e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 10105ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 10118ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 10121f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 10132572f00dSJoshua Hendersonsource "arch/mips/pic32/Kconfig" 1014af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 10150f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 1016ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 101729c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 101838b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 101922b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 10205e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 1021a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 102230ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 102330ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 10247f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 1025ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 10269937f5ffSZubair Lutfullah Kakakhelsource "arch/mips/xilfpga/Kconfig" 102738b18f72SRalf Baechle 10285e83d430SRalf Baechleendmenu 10295e83d430SRalf Baechle 10301da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 10311da177e4SLinus Torvalds bool 10321da177e4SLinus Torvalds default y 10331da177e4SLinus Torvalds 10341da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 10351da177e4SLinus Torvalds bool 10361da177e4SLinus Torvalds 1037f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 1038f0d1b0b3SDavid Howells bool 1039f0d1b0b3SDavid Howells default n 1040f0d1b0b3SDavid Howells 1041f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 1042f0d1b0b3SDavid Howells bool 1043f0d1b0b3SDavid Howells default n 1044f0d1b0b3SDavid Howells 10453c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 10463c9ee7efSAkinobu Mita bool 10473c9ee7efSAkinobu Mita default y 10483c9ee7efSAkinobu Mita 10491da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 10501da177e4SLinus Torvalds bool 10511da177e4SLinus Torvalds default y 10521da177e4SLinus Torvalds 1053ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 10541cc89038SAtsushi Nemoto bool 10551cc89038SAtsushi Nemoto default y 10561cc89038SAtsushi Nemoto 10571da177e4SLinus Torvalds# 10581da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10591da177e4SLinus Torvalds# 10600e2794b0SRalf Baechleconfig FW_ARC 10611da177e4SLinus Torvalds bool 10621da177e4SLinus Torvalds 106361ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 106461ed242dSRalf Baechle bool 106561ed242dSRalf Baechle 10669267a30dSMarc St-Jeanconfig BOOT_RAW 10679267a30dSMarc St-Jean bool 10689267a30dSMarc St-Jean 1069217dd11eSRalf Baechleconfig CEVT_BCM1480 1070217dd11eSRalf Baechle bool 1071217dd11eSRalf Baechle 10726457d9fcSYoichi Yuasaconfig CEVT_DS1287 10736457d9fcSYoichi Yuasa bool 10746457d9fcSYoichi Yuasa 10751097c6acSYoichi Yuasaconfig CEVT_GT641XX 10761097c6acSYoichi Yuasa bool 10771097c6acSYoichi Yuasa 107842f77542SRalf Baechleconfig CEVT_R4K 107942f77542SRalf Baechle bool 108042f77542SRalf Baechle 1081217dd11eSRalf Baechleconfig CEVT_SB1250 1082217dd11eSRalf Baechle bool 1083217dd11eSRalf Baechle 1084229f773eSAtsushi Nemotoconfig CEVT_TXX9 1085229f773eSAtsushi Nemoto bool 1086229f773eSAtsushi Nemoto 1087217dd11eSRalf Baechleconfig CSRC_BCM1480 1088217dd11eSRalf Baechle bool 1089217dd11eSRalf Baechle 10904247417dSYoichi Yuasaconfig CSRC_IOASIC 10914247417dSYoichi Yuasa bool 10924247417dSYoichi Yuasa 1093940f6b48SRalf Baechleconfig CSRC_R4K 1094940f6b48SRalf Baechle bool 1095940f6b48SRalf Baechle 1096217dd11eSRalf Baechleconfig CSRC_SB1250 1097217dd11eSRalf Baechle bool 1098217dd11eSRalf Baechle 1099a7f4df4eSAlex Smithconfig MIPS_CLOCK_VSYSCALL 1100a7f4df4eSAlex Smith def_bool CSRC_R4K || CLKSRC_MIPS_GIC 1101a7f4df4eSAlex Smith 1102a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 1103d30a2b47SLinus Walleij select GPIOLIB 1104a9aec7feSAtsushi Nemoto bool 1105a9aec7feSAtsushi Nemoto 11060e2794b0SRalf Baechleconfig FW_CFE 1107df78b5c8SAurelien Jarno bool 1108df78b5c8SAurelien Jarno 11094bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 111034adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 11114bafad92SFUJITA Tomonori 111240e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 111340e084a5SRalf Baechle bool 111440e084a5SRalf Baechle 1115885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1116885014bcSFelix Fietkau select DMA_NONCOHERENT 1117885014bcSFelix Fietkau bool 1118885014bcSFelix Fietkau 111920d33064SPaul Burtonconfig DMA_PERDEV_COHERENT 112020d33064SPaul Burton bool 112120d33064SPaul Burton select DMA_MAYBE_COHERENT 112220d33064SPaul Burton 11231da177e4SLinus Torvaldsconfig DMA_COHERENT 11241da177e4SLinus Torvalds bool 11251da177e4SLinus Torvalds 11261da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 11271da177e4SLinus Torvalds bool 1128e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 11294ce588cdSRalf Baechle 1130e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 11314ce588cdSRalf Baechle bool 11321da177e4SLinus Torvalds 113336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 11341da177e4SLinus Torvalds bool 11351da177e4SLinus Torvalds 11361b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1137dbb74540SRalf Baechle bool 1138dbb74540SRalf Baechle 11391da177e4SLinus Torvaldsconfig MIPS_BONITO64 11401da177e4SLinus Torvalds bool 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvaldsconfig MIPS_MSC 11431da177e4SLinus Torvalds bool 11441da177e4SLinus Torvalds 11451f21d2bdSBrian Murphyconfig MIPS_NILE4 11461f21d2bdSBrian Murphy bool 11471f21d2bdSBrian Murphy 114839b8d525SRalf Baechleconfig SYNC_R4K 114939b8d525SRalf Baechle bool 115039b8d525SRalf Baechle 1151487d70d0SGabor Juhosconfig MIPS_MACHINE 1152487d70d0SGabor Juhos def_bool n 1153487d70d0SGabor Juhos 1154ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1155d388d685SMaciej W. Rozycki def_bool n 1156d388d685SMaciej W. Rozycki 11574e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11584e0748f5SMarkos Chandras bool 11594e0748f5SMarkos Chandras 11608313da30SRalf Baechleconfig GENERIC_ISA_DMA 11618313da30SRalf Baechle bool 11628313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1163a35bee8aSNamhyung Kim select ISA_DMA_API 11648313da30SRalf Baechle 1165aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1166aa414dffSRalf Baechle bool 11678313da30SRalf Baechle select GENERIC_ISA_DMA 1168aa414dffSRalf Baechle 1169a35bee8aSNamhyung Kimconfig ISA_DMA_API 1170a35bee8aSNamhyung Kim bool 1171a35bee8aSNamhyung Kim 1172465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1173465aaed0SDavid Daney bool 1174465aaed0SDavid Daney 11758c530ea3SMatt Redfearnconfig SYS_SUPPORTS_RELOCATABLE 11768c530ea3SMatt Redfearn bool 11778c530ea3SMatt Redfearn help 11788c530ea3SMatt Redfearn Selected if the platform supports relocating the kernel. 11798c530ea3SMatt Redfearn The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF 11808c530ea3SMatt Redfearn to allow access to command line and entropy sources. 11818c530ea3SMatt Redfearn 11825e83d430SRalf Baechle# 11836b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11845e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11855e83d430SRalf Baechle# choice statement should be more obvious to the user. 11865e83d430SRalf Baechle# 11875e83d430SRalf Baechlechoice 11886b2aac42SMasanari Iida prompt "Endianness selection" 11891da177e4SLinus Torvalds help 11901da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11915e83d430SRalf Baechle byte order. These modes require different kernels and a different 11923cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11935e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11943dde6ad8SDavid Sterba one or the other endianness. 11955e83d430SRalf Baechle 11965e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11975e83d430SRalf Baechle bool "Big endian" 11985e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11995e83d430SRalf Baechle 12005e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 12015e83d430SRalf Baechle bool "Little endian" 12025e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 12035e83d430SRalf Baechle 12045e83d430SRalf Baechleendchoice 12055e83d430SRalf Baechle 120622b0763aSDavid Daneyconfig EXPORT_UASM 120722b0763aSDavid Daney bool 120822b0763aSDavid Daney 12092116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 12102116245eSRalf Baechle bool 12112116245eSRalf Baechle 12125e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 12135e83d430SRalf Baechle bool 12145e83d430SRalf Baechle 12155e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 12165e83d430SRalf Baechle bool 12171da177e4SLinus Torvalds 12189cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 12199cffd154SDavid Daney bool 12209cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 12219cffd154SDavid Daney default y 12229cffd154SDavid Daney 1223aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1224aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1225aa1762f4SDavid Daney 12261da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 12271da177e4SLinus Torvalds bool 12281da177e4SLinus Torvalds 12299267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 12309267a30dSMarc St-Jean bool 12319267a30dSMarc St-Jean 12329267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 12339267a30dSMarc St-Jean bool 12349267a30dSMarc St-Jean 12358420fd00SAtsushi Nemotoconfig IRQ_TXX9 12368420fd00SAtsushi Nemoto bool 12378420fd00SAtsushi Nemoto 1238d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1239d5ab1a69SYoichi Yuasa bool 1240d5ab1a69SYoichi Yuasa 1241252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 12421da177e4SLinus Torvalds bool 12431da177e4SLinus Torvalds 12449267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 12459267a30dSMarc St-Jean bool 12469267a30dSMarc St-Jean 1247a83860c2SRalf Baechleconfig SOC_EMMA2RH 1248a83860c2SRalf Baechle bool 1249a83860c2SRalf Baechle select CEVT_R4K 1250a83860c2SRalf Baechle select CSRC_R4K 1251a83860c2SRalf Baechle select DMA_NONCOHERENT 125267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1253a83860c2SRalf Baechle select SWAP_IO_SPACE 1254a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1255a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1256a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1257a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1258a83860c2SRalf Baechle 1259edb6310aSDaniel Lairdconfig SOC_PNX833X 1260edb6310aSDaniel Laird bool 1261edb6310aSDaniel Laird select CEVT_R4K 1262edb6310aSDaniel Laird select CSRC_R4K 126367e38cf2SRalf Baechle select IRQ_MIPS_CPU 1264edb6310aSDaniel Laird select DMA_NONCOHERENT 1265edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1266edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1267edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1268edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1269377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1270edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1271edb6310aSDaniel Laird 1272edb6310aSDaniel Lairdconfig SOC_PNX8335 1273edb6310aSDaniel Laird bool 1274edb6310aSDaniel Laird select SOC_PNX833X 1275edb6310aSDaniel Laird 1276a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1277a7e07b1aSMarkos Chandras bool 1278a7e07b1aSMarkos Chandras 12791da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12801da177e4SLinus Torvalds bool 12811da177e4SLinus Torvalds 1282e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1283e2defae5SThomas Bogendoerfer bool 1284e2defae5SThomas Bogendoerfer 12855b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12865b438c44SThomas Bogendoerfer bool 12875b438c44SThomas Bogendoerfer 1288e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1289e2defae5SThomas Bogendoerfer bool 1290e2defae5SThomas Bogendoerfer 1291e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1292e2defae5SThomas Bogendoerfer bool 1293e2defae5SThomas Bogendoerfer 1294e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1295e2defae5SThomas Bogendoerfer bool 1296e2defae5SThomas Bogendoerfer 1297e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1298e2defae5SThomas Bogendoerfer bool 1299e2defae5SThomas Bogendoerfer 1300e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1301e2defae5SThomas Bogendoerfer bool 1302e2defae5SThomas Bogendoerfer 13030e2794b0SRalf Baechleconfig FW_ARC32 13045e83d430SRalf Baechle bool 13055e83d430SRalf Baechle 1306aaa9fad3SPaul Bolleconfig FW_SNIPROM 1307231a35d3SThomas Bogendoerfer bool 1308231a35d3SThomas Bogendoerfer 13091da177e4SLinus Torvaldsconfig BOOT_ELF32 13101da177e4SLinus Torvalds bool 13111da177e4SLinus Torvalds 1312930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1313930beb5aSFlorian Fainelli bool 1314930beb5aSFlorian Fainelli 1315930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1316930beb5aSFlorian Fainelli bool 1317930beb5aSFlorian Fainelli 1318930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1319930beb5aSFlorian Fainelli bool 1320930beb5aSFlorian Fainelli 1321930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1322930beb5aSFlorian Fainelli bool 1323930beb5aSFlorian Fainelli 13241da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 13251da177e4SLinus Torvalds int 1326a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 13275432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 13285432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 13295432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 13301da177e4SLinus Torvalds default "5" 13311da177e4SLinus Torvalds 13321da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 13331da177e4SLinus Torvalds bool 13341da177e4SLinus Torvalds 13351da177e4SLinus Torvaldsconfig ARC_CONSOLE 13361da177e4SLinus Torvalds bool "ARC console support" 1337e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 13381da177e4SLinus Torvalds 13391da177e4SLinus Torvaldsconfig ARC_MEMORY 13401da177e4SLinus Torvalds bool 134114b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 13421da177e4SLinus Torvalds default y 13431da177e4SLinus Torvalds 13441da177e4SLinus Torvaldsconfig ARC_PROMLIB 13451da177e4SLinus Torvalds bool 1346e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 13471da177e4SLinus Torvalds default y 13481da177e4SLinus Torvalds 13490e2794b0SRalf Baechleconfig FW_ARC64 13501da177e4SLinus Torvalds bool 13511da177e4SLinus Torvalds 13521da177e4SLinus Torvaldsconfig BOOT_ELF64 13531da177e4SLinus Torvalds bool 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvaldsmenu "CPU selection" 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvaldschoice 13581da177e4SLinus Torvalds prompt "CPU type" 13591da177e4SLinus Torvalds default CPU_R4X00 13601da177e4SLinus Torvalds 13610e476d91SHuacai Chenconfig CPU_LOONGSON3 13620e476d91SHuacai Chen bool "Loongson 3 CPU" 13630e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13640e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13650e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13660e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13670e476d91SHuacai Chen select WEAK_ORDERING 13680e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1369b2edcfc8SHuacai Chen select MIPS_PGD_C0_CONTEXT 1370d30a2b47SLinus Walleij select GPIOLIB 13710e476d91SHuacai Chen help 13720e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13730e476d91SHuacai Chen set with many extensions. 13740e476d91SHuacai Chen 13751e820da3SHuacai Chenconfig LOONGSON3_ENHANCEMENT 13761e820da3SHuacai Chen bool "New Loongson 3 CPU Enhancements" 13771e820da3SHuacai Chen default n 13781e820da3SHuacai Chen select CPU_MIPSR2 13791e820da3SHuacai Chen select CPU_HAS_PREFETCH 13801e820da3SHuacai Chen depends on CPU_LOONGSON3 13811e820da3SHuacai Chen help 13821e820da3SHuacai Chen New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A 13831e820da3SHuacai Chen R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as 13841e820da3SHuacai Chen FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User 13851e820da3SHuacai Chen Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer), 13861e820da3SHuacai Chen Fast TLB refill support, etc. 13871e820da3SHuacai Chen 13881e820da3SHuacai Chen This option enable those enhancements which are not probed at run 13891e820da3SHuacai Chen time. If you want a generic kernel to run on all Loongson 3 machines, 13901e820da3SHuacai Chen please say 'N' here. If you want a high-performance kernel to run on 13911e820da3SHuacai Chen new Loongson 3 machines only, please say 'Y' here. 13921e820da3SHuacai Chen 13933702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13943702bba5SWu Zhangjin bool "Loongson 2E" 13953702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13963702bba5SWu Zhangjin select CPU_LOONGSON2 13972a21c730SFuxin Zhang help 13982a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13992a21c730SFuxin Zhang with many extensions. 14002a21c730SFuxin Zhang 140125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 14026f7a251aSWu Zhangjin bonito64. 14036f7a251aSWu Zhangjin 14046f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 14056f7a251aSWu Zhangjin bool "Loongson 2F" 14066f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 14076f7a251aSWu Zhangjin select CPU_LOONGSON2 1408d30a2b47SLinus Walleij select GPIOLIB 14096f7a251aSWu Zhangjin help 14106f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 14116f7a251aSWu Zhangjin with many extensions. 14126f7a251aSWu Zhangjin 14136f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 14146f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 14156f7a251aSWu Zhangjin Loongson2E. 14166f7a251aSWu Zhangjin 1417ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1418ca585cf9SKelvin Cheung bool "Loongson 1B" 1419ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1420ca585cf9SKelvin Cheung select CPU_LOONGSON1 14219ec88b60SKelvin Cheung select LEDS_GPIO_REGISTER 1422ca585cf9SKelvin Cheung help 1423ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1424ca585cf9SKelvin Cheung release 2 instruction set. 1425ca585cf9SKelvin Cheung 142612e3280bSYang Lingconfig CPU_LOONGSON1C 142712e3280bSYang Ling bool "Loongson 1C" 142812e3280bSYang Ling depends on SYS_HAS_CPU_LOONGSON1C 142912e3280bSYang Ling select CPU_LOONGSON1 143012e3280bSYang Ling select ARCH_WANT_OPTIONAL_GPIOLIB 143112e3280bSYang Ling select LEDS_GPIO_REGISTER 143212e3280bSYang Ling help 143312e3280bSYang Ling The Loongson 1C is a 32-bit SoC, which implements the MIPS32 143412e3280bSYang Ling release 2 instruction set. 143512e3280bSYang Ling 14366e760c8dSRalf Baechleconfig CPU_MIPS32_R1 14376e760c8dSRalf Baechle bool "MIPS32 Release 1" 14387cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 14396e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1440797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1441ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14426e760c8dSRalf Baechle help 14435e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 14441e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14451e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14461e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14471e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14481e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 14491e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 14501e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 14511e5f1caaSRalf Baechle performance. 14521e5f1caaSRalf Baechle 14531e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 14541e5f1caaSRalf Baechle bool "MIPS32 Release 2" 14557cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 14561e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1457797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1458ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1459a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14602235a54dSSanjay Lal select HAVE_KVM 14611e5f1caaSRalf Baechle help 14625e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 14636e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 14646e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 14656e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14666e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 14671da177e4SLinus Torvalds 14687fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1469674d10e2SMarkos Chandras bool "MIPS32 Release 6" 14707fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 14717fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14727fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14737fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14747fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14754e0748f5SMarkos Chandras select GENERIC_CSUM 14767fd08ca5SLeonid Yegoshin select HAVE_KVM 14777fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 14787fd08ca5SLeonid Yegoshin help 14797fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14807fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 14817fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 14827fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 14837fd08ca5SLeonid Yegoshin 14846e760c8dSRalf Baechleconfig CPU_MIPS64_R1 14856e760c8dSRalf Baechle bool "MIPS64 Release 1" 14867cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1487797798c1SRalf Baechle select CPU_HAS_PREFETCH 1488ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1489ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1490ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14919cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14926e760c8dSRalf Baechle help 14936e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14946e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14956e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14966e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14976e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14981e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14991e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 15001e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 15011e5f1caaSRalf Baechle performance. 15021e5f1caaSRalf Baechle 15031e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 15041e5f1caaSRalf Baechle bool "MIPS64 Release 2" 15057cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1506797798c1SRalf Baechle select CPU_HAS_PREFETCH 15071e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15081e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1509ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15109cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1511a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 151240a2df49SJames Hogan select HAVE_KVM 15131e5f1caaSRalf Baechle help 15141e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 15151e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 15161e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 15171e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 15181e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 15191da177e4SLinus Torvalds 15207fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1521674d10e2SMarkos Chandras bool "MIPS64 Release 6" 15227fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 15237fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 15247fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 15257fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 15267fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 15277fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 15284e0748f5SMarkos Chandras select GENERIC_CSUM 15294e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 153040a2df49SJames Hogan select HAVE_KVM 15317fd08ca5SLeonid Yegoshin help 15327fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 15337fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 15347fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 15357fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 15367fd08ca5SLeonid Yegoshin 15371da177e4SLinus Torvaldsconfig CPU_R3000 15381da177e4SLinus Torvalds bool "R3000" 15397cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1540f7062ddbSRalf Baechle select CPU_HAS_WB 1541ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1542797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 15431da177e4SLinus Torvalds help 15441da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 15451da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 15461da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 15471da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 15481da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 15491da177e4SLinus Torvalds try to recompile with R3000. 15501da177e4SLinus Torvalds 15511da177e4SLinus Torvaldsconfig CPU_TX39XX 15521da177e4SLinus Torvalds bool "R39XX" 15537cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1554ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15551da177e4SLinus Torvalds 15561da177e4SLinus Torvaldsconfig CPU_VR41XX 15571da177e4SLinus Torvalds bool "R41xx" 15587cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1559ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1560ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15611da177e4SLinus Torvalds help 15625e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 15631da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 15641da177e4SLinus Torvalds kernel built with this option will not run on any other type of 15651da177e4SLinus Torvalds processor or vice versa. 15661da177e4SLinus Torvalds 15671da177e4SLinus Torvaldsconfig CPU_R4300 15681da177e4SLinus Torvalds bool "R4300" 15697cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1570ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1571ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15721da177e4SLinus Torvalds help 15731da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvaldsconfig CPU_R4X00 15761da177e4SLinus Torvalds bool "R4x00" 15777cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1578ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1579ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1580970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15811da177e4SLinus Torvalds help 15821da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 15831da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 15841da177e4SLinus Torvalds 15851da177e4SLinus Torvaldsconfig CPU_TX49XX 15861da177e4SLinus Torvalds bool "R49XX" 15877cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1588de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1589ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1590ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1591970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15921da177e4SLinus Torvalds 15931da177e4SLinus Torvaldsconfig CPU_R5000 15941da177e4SLinus Torvalds bool "R5000" 15957cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1596ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1597ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1598970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15991da177e4SLinus Torvalds help 16001da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 16011da177e4SLinus Torvalds 16021da177e4SLinus Torvaldsconfig CPU_R5432 16031da177e4SLinus Torvalds bool "R5432" 16047cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 16055e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 16065e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1607970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16081da177e4SLinus Torvalds 1609542c1020SShinya Kuribayashiconfig CPU_R5500 1610542c1020SShinya Kuribayashi bool "R5500" 1611542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1612542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1613542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 16149cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1615542c1020SShinya Kuribayashi help 1616542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1617542c1020SShinya Kuribayashi instruction set. 1618542c1020SShinya Kuribayashi 16191da177e4SLinus Torvaldsconfig CPU_R6000 16201da177e4SLinus Torvalds bool "R6000" 16217cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1622ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 16231da177e4SLinus Torvalds help 16241da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1625c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 16261da177e4SLinus Torvalds 16271da177e4SLinus Torvaldsconfig CPU_NEVADA 16281da177e4SLinus Torvalds bool "RM52xx" 16297cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1630ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1631ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1632970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16331da177e4SLinus Torvalds help 16341da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 16351da177e4SLinus Torvalds 16361da177e4SLinus Torvaldsconfig CPU_R8000 16371da177e4SLinus Torvalds bool "R8000" 16387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 16395e83d430SRalf Baechle select CPU_HAS_PREFETCH 1640ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 16411da177e4SLinus Torvalds help 16421da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 16431da177e4SLinus Torvalds uncommon and the support for them is incomplete. 16441da177e4SLinus Torvalds 16451da177e4SLinus Torvaldsconfig CPU_R10000 16461da177e4SLinus Torvalds bool "R10000" 16477cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 16485e83d430SRalf Baechle select CPU_HAS_PREFETCH 1649ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1650ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1651797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1652970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16531da177e4SLinus Torvalds help 16541da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 16551da177e4SLinus Torvalds 16561da177e4SLinus Torvaldsconfig CPU_RM7000 16571da177e4SLinus Torvalds bool "RM7000" 16587cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 16595e83d430SRalf Baechle select CPU_HAS_PREFETCH 1660ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1661ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1662797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1663970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16641da177e4SLinus Torvalds 16651da177e4SLinus Torvaldsconfig CPU_SB1 16661da177e4SLinus Torvalds bool "SB1" 16677cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1668ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1669ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1670797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1671970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16720004a9dfSRalf Baechle select WEAK_ORDERING 16731da177e4SLinus Torvalds 1674a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1675a86c7f72SDavid Daney bool "Cavium Octeon processor" 16765e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1677a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1678a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1679a86c7f72SDavid Daney select WEAK_ORDERING 1680a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 16819cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1682df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1683df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1684930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1685a86c7f72SDavid Daney help 1686a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1687a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1688a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1689a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1690a86c7f72SDavid Daney 1691cd746249SJonas Gorskiconfig CPU_BMIPS 1692cd746249SJonas Gorski bool "Broadcom BMIPS" 1693cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1694cd746249SJonas Gorski select CPU_MIPS32 1695fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1696cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1697cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1698cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1699cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1700cd746249SJonas Gorski select DMA_NONCOHERENT 170167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1702cd746249SJonas Gorski select SWAP_IO_SPACE 1703cd746249SJonas Gorski select WEAK_ORDERING 1704c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 170569aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1706c1c0c461SKevin Cernekee help 1707fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1708c1c0c461SKevin Cernekee 17097f058e85SJayachandran Cconfig CPU_XLR 17107f058e85SJayachandran C bool "Netlogic XLR SoC" 17117f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 17127f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17137f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17147f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1715970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17167f058e85SJayachandran C select WEAK_ORDERING 17177f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17187f058e85SJayachandran C help 17197f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 17201c773ea4SJayachandran C 17211c773ea4SJayachandran Cconfig CPU_XLP 17221c773ea4SJayachandran C bool "Netlogic XLP SoC" 17231c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 17241c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 17251c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 17261c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 17271c773ea4SJayachandran C select WEAK_ORDERING 17281c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 17291c773ea4SJayachandran C select CPU_HAS_PREFETCH 1730d6504846SJayachandran C select CPU_MIPSR2 1731ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 17322db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 17331c773ea4SJayachandran C help 17341c773ea4SJayachandran C Netlogic Microsystems XLP processors. 17351da177e4SLinus Torvaldsendchoice 17361da177e4SLinus Torvalds 1737a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1738a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1739a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 17407fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1741a6e18781SLeonid Yegoshin help 1742a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1743a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1744a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1745a6e18781SLeonid Yegoshin 1746a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1747a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1748a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1749a6e18781SLeonid Yegoshin select EVA 1750a6e18781SLeonid Yegoshin default y 1751a6e18781SLeonid Yegoshin help 1752a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1753a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1754a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1755a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1756a6e18781SLeonid Yegoshin 1757c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1758c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1759c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1760c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1761c5b36783SSteven J. Hill help 1762c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1763c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1764c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1765c5b36783SSteven J. Hill 1766c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1767c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1768c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1769c5b36783SSteven J. Hill depends on !EVA 1770c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1771c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1772c5b36783SSteven J. Hill select XPA 1773c5b36783SSteven J. Hill select HIGHMEM 1774c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1775c5b36783SSteven J. Hill default n 1776c5b36783SSteven J. Hill help 1777c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1778c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1779c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1780c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1781c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1782c5b36783SSteven J. Hill If unsure, say 'N' here. 1783c5b36783SSteven J. Hill 1784622844bfSWu Zhangjinif CPU_LOONGSON2F 1785622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1786622844bfSWu Zhangjin bool 1787622844bfSWu Zhangjin 1788622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1789622844bfSWu Zhangjin bool 1790622844bfSWu Zhangjin 1791622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1792622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1793622844bfSWu Zhangjin default y 1794622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1795622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1796622844bfSWu Zhangjin help 1797622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1798622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1799622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1800622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1801622844bfSWu Zhangjin 1802622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1803622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1804622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1805622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1806622844bfSWu Zhangjin systems. 1807622844bfSWu Zhangjin 1808622844bfSWu Zhangjin If unsure, please say Y. 1809622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1810622844bfSWu Zhangjin 18111b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 18121b93b3c3SWu Zhangjin bool 18131b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 18141b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 181531c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 18161b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1817fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 18184e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 18191b93b3c3SWu Zhangjin 18201b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 18211b93b3c3SWu Zhangjin bool 18221b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 18231b93b3c3SWu Zhangjin 1824dbb98314SAlban Bedelconfig SYS_SUPPORTS_ZBOOT_UART_PROM 1825dbb98314SAlban Bedel bool 1826dbb98314SAlban Bedel select SYS_SUPPORTS_ZBOOT 1827dbb98314SAlban Bedel 18283702bba5SWu Zhangjinconfig CPU_LOONGSON2 18293702bba5SWu Zhangjin bool 18303702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 18313702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 18323702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1833970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 18343702bba5SWu Zhangjin 1835ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1836ca585cf9SKelvin Cheung bool 1837ca585cf9SKelvin Cheung select CPU_MIPS32 1838ca585cf9SKelvin Cheung select CPU_MIPSR2 1839ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1840ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1841ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1842f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1843ca585cf9SKelvin Cheung 1844fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 184504fa8bf7SJonas Gorski select SMP_UP if SMP 18461bbb6c1bSKevin Cernekee bool 1847cd746249SJonas Gorski 1848cd746249SJonas Gorskiconfig CPU_BMIPS4350 1849cd746249SJonas Gorski bool 1850cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1851cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1852cd746249SJonas Gorski 1853cd746249SJonas Gorskiconfig CPU_BMIPS4380 1854cd746249SJonas Gorski bool 1855bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1856cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1857cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1858b4720809SFlorian Fainelli select CPU_HAS_RIXI 1859cd746249SJonas Gorski 1860cd746249SJonas Gorskiconfig CPU_BMIPS5000 1861cd746249SJonas Gorski bool 1862cd746249SJonas Gorski select MIPS_CPU_SCACHE 1863bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1864cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1865cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1866b4720809SFlorian Fainelli select CPU_HAS_RIXI 18671bbb6c1bSKevin Cernekee 18680e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 18690e476d91SHuacai Chen bool 18700e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 1871b2edcfc8SHuacai Chen select CPU_HAS_RIXI 18720e476d91SHuacai Chen 18733702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 18742a21c730SFuxin Zhang bool 18752a21c730SFuxin Zhang 18766f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 18776f7a251aSWu Zhangjin bool 187855045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 187955045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 188022f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 18816f7a251aSWu Zhangjin 1882ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1883ca585cf9SKelvin Cheung bool 1884ca585cf9SKelvin Cheung 188512e3280bSYang Lingconfig SYS_HAS_CPU_LOONGSON1C 188612e3280bSYang Ling bool 188712e3280bSYang Ling 18887cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 18897cf8053bSRalf Baechle bool 18907cf8053bSRalf Baechle 18917cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 18927cf8053bSRalf Baechle bool 18937cf8053bSRalf Baechle 1894a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1895a6e18781SLeonid Yegoshin bool 1896a6e18781SLeonid Yegoshin 1897c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1898c5b36783SSteven J. Hill bool 1899c5b36783SSteven J. Hill 19007fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 19017fd08ca5SLeonid Yegoshin bool 19027fd08ca5SLeonid Yegoshin 19037cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 19047cf8053bSRalf Baechle bool 19057cf8053bSRalf Baechle 19067cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 19077cf8053bSRalf Baechle bool 19087cf8053bSRalf Baechle 19097fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 19107fd08ca5SLeonid Yegoshin bool 19117fd08ca5SLeonid Yegoshin 19127cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 19137cf8053bSRalf Baechle bool 19147cf8053bSRalf Baechle 19157cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 19167cf8053bSRalf Baechle bool 19177cf8053bSRalf Baechle 19187cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 19197cf8053bSRalf Baechle bool 19207cf8053bSRalf Baechle 19217cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 19227cf8053bSRalf Baechle bool 19237cf8053bSRalf Baechle 19247cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 19257cf8053bSRalf Baechle bool 19267cf8053bSRalf Baechle 19277cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 19287cf8053bSRalf Baechle bool 19297cf8053bSRalf Baechle 19307cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 19317cf8053bSRalf Baechle bool 19327cf8053bSRalf Baechle 19337cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 19347cf8053bSRalf Baechle bool 19357cf8053bSRalf Baechle 1936542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1937542c1020SShinya Kuribayashi bool 1938542c1020SShinya Kuribayashi 19397cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 19407cf8053bSRalf Baechle bool 19417cf8053bSRalf Baechle 19427cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 19437cf8053bSRalf Baechle bool 19447cf8053bSRalf Baechle 19457cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 19467cf8053bSRalf Baechle bool 19477cf8053bSRalf Baechle 19487cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 19497cf8053bSRalf Baechle bool 19507cf8053bSRalf Baechle 19517cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 19527cf8053bSRalf Baechle bool 19537cf8053bSRalf Baechle 19547cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 19557cf8053bSRalf Baechle bool 19567cf8053bSRalf Baechle 19575e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 19585e683389SDavid Daney bool 19595e683389SDavid Daney 1960cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1961c1c0c461SKevin Cernekee bool 1962c1c0c461SKevin Cernekee 1963fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1964c1c0c461SKevin Cernekee bool 1965cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1966c1c0c461SKevin Cernekee 1967c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1968c1c0c461SKevin Cernekee bool 1969cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1970c1c0c461SKevin Cernekee 1971c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1972c1c0c461SKevin Cernekee bool 1973cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1974c1c0c461SKevin Cernekee 1975c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1976c1c0c461SKevin Cernekee bool 1977cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1978c1c0c461SKevin Cernekee 19797f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 19807f058e85SJayachandran C bool 19817f058e85SJayachandran C 19821c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 19831c773ea4SJayachandran C bool 19841c773ea4SJayachandran C 1985b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1986b6911bbaSPaul Burton depends on MIPS_MALTA 1987b6911bbaSPaul Burton depends on PCI 1988b6911bbaSPaul Burton bool 1989b6911bbaSPaul Burton default y 1990b6911bbaSPaul Burton 199117099b11SRalf Baechle# 199217099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 199317099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 199417099b11SRalf Baechle# 19950004a9dfSRalf Baechleconfig WEAK_ORDERING 19960004a9dfSRalf Baechle bool 199717099b11SRalf Baechle 199817099b11SRalf Baechle# 199917099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 200017099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 200117099b11SRalf Baechle# 200217099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 200317099b11SRalf Baechle bool 20045e83d430SRalf Baechleendmenu 20055e83d430SRalf Baechle 20065e83d430SRalf Baechle# 20075e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 20085e83d430SRalf Baechle# 20095e83d430SRalf Baechleconfig CPU_MIPS32 20105e83d430SRalf Baechle bool 20117fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 20125e83d430SRalf Baechle 20135e83d430SRalf Baechleconfig CPU_MIPS64 20145e83d430SRalf Baechle bool 20157fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 20165e83d430SRalf Baechle 20175e83d430SRalf Baechle# 2018c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 20195e83d430SRalf Baechle# 20205e83d430SRalf Baechleconfig CPU_MIPSR1 20215e83d430SRalf Baechle bool 20225e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 20235e83d430SRalf Baechle 20245e83d430SRalf Baechleconfig CPU_MIPSR2 20255e83d430SRalf Baechle bool 2026a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 20278256b17eSFlorian Fainelli select CPU_HAS_RIXI 2028a7e07b1aSMarkos Chandras select MIPS_SPRAM 20295e83d430SRalf Baechle 20307fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 20317fd08ca5SLeonid Yegoshin bool 20327fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 20338256b17eSFlorian Fainelli select CPU_HAS_RIXI 203487321fddSPaul Burton select HAVE_ARCH_BITREVERSE 20352db003a5SPaul Burton select MIPS_ASID_BITS_VARIABLE 2036a7e07b1aSMarkos Chandras select MIPS_SPRAM 20375e83d430SRalf Baechle 2038a6e18781SLeonid Yegoshinconfig EVA 2039a6e18781SLeonid Yegoshin bool 2040a6e18781SLeonid Yegoshin 2041c5b36783SSteven J. Hillconfig XPA 2042c5b36783SSteven J. Hill bool 2043c5b36783SSteven J. Hill 20445e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 20455e83d430SRalf Baechle bool 20465e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 20475e83d430SRalf Baechle bool 20485e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 20495e83d430SRalf Baechle bool 20505e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 20515e83d430SRalf Baechle bool 205255045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 205355045ff5SWu Zhangjin bool 205455045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 205555045ff5SWu Zhangjin bool 20569cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 20579cffd154SDavid Daney bool 205822f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 205922f1fdfdSWu Zhangjin bool 206082622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 206182622284SDavid Daney bool 2062d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 20635e83d430SRalf Baechle 20648192c9eaSDavid Daney# 20658192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 20668192c9eaSDavid Daney# 20678192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 20688192c9eaSDavid Daney bool 2069679eb637SJames Hogan default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6 20708192c9eaSDavid Daney 20715e83d430SRalf Baechlemenu "Kernel type" 20725e83d430SRalf Baechle 20735e83d430SRalf Baechlechoice 20745e83d430SRalf Baechle prompt "Kernel code model" 20755e83d430SRalf Baechle help 20765e83d430SRalf Baechle You should only select this option if you have a workload that 20775e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 20785e83d430SRalf Baechle large memory. You will only be presented a single option in this 20795e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 20805e83d430SRalf Baechle 20815e83d430SRalf Baechleconfig 32BIT 20825e83d430SRalf Baechle bool "32-bit kernel" 20835e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 20845e83d430SRalf Baechle select TRAD_SIGNALS 20855e83d430SRalf Baechle help 20865e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 2087f17c4ca3SRalf Baechle 20885e83d430SRalf Baechleconfig 64BIT 20895e83d430SRalf Baechle bool "64-bit kernel" 20905e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 20915e83d430SRalf Baechle help 20925e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 20935e83d430SRalf Baechle 20945e83d430SRalf Baechleendchoice 20955e83d430SRalf Baechle 20962235a54dSSanjay Lalconfig KVM_GUEST 20972235a54dSSanjay Lal bool "KVM Guest Kernel" 2098f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 20992235a54dSSanjay Lal help 2100caa1faa7SJames Hogan Select this option if building a guest kernel for KVM (Trap & Emulate) 2101caa1faa7SJames Hogan mode. 21022235a54dSSanjay Lal 2103eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 2104eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 21052235a54dSSanjay Lal depends on KVM_GUEST 2106eda3d33cSJames Hogan default 100 21072235a54dSSanjay Lal help 2108eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2109eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2110eda3d33cSJames Hogan timer frequency is specified directly. 21112235a54dSSanjay Lal 21121e321fa9SLeonid Yegoshinconfig MIPS_VA_BITS_48 21131e321fa9SLeonid Yegoshin bool "48 bits virtual memory" 21141e321fa9SLeonid Yegoshin depends on 64BIT 21151e321fa9SLeonid Yegoshin help 21161e321fa9SLeonid Yegoshin Support a maximum at least 48 bits of application virtual memory. 21171e321fa9SLeonid Yegoshin Default is 40 bits or less, depending on the CPU. 21181e321fa9SLeonid Yegoshin This option result in a small memory overhead for page tables. 21191e321fa9SLeonid Yegoshin This option is only supported with 16k and 64k page sizes. 21201e321fa9SLeonid Yegoshin If unsure, say N. 21211e321fa9SLeonid Yegoshin 21221da177e4SLinus Torvaldschoice 21231da177e4SLinus Torvalds prompt "Kernel page size" 21241da177e4SLinus Torvalds default PAGE_SIZE_4KB 21251da177e4SLinus Torvalds 21261da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 21271da177e4SLinus Torvalds bool "4kB" 21280e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 21291e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21301da177e4SLinus Torvalds help 21311da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 21321da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 21331da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 21341da177e4SLinus Torvalds recommended for low memory systems. 21351da177e4SLinus Torvalds 21361da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 21371da177e4SLinus Torvalds bool "8kB" 21387d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 21391e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 21401da177e4SLinus Torvalds help 21411da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 21421da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2143c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2144c52399beSRalf Baechle suitable Linux distribution to support this. 21451da177e4SLinus Torvalds 21461da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 21471da177e4SLinus Torvalds bool "16kB" 2148714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 21491da177e4SLinus Torvalds help 21501da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 21511da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2152714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2153714bfad6SRalf Baechle Linux distribution to support this. 21541da177e4SLinus Torvalds 2155c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2156c52399beSRalf Baechle bool "32kB" 2157c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 21581e321fa9SLeonid Yegoshin depends on !MIPS_VA_BITS_48 2159c52399beSRalf Baechle help 2160c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2161c52399beSRalf Baechle the price of higher memory consumption. This option is available 2162c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2163c52399beSRalf Baechle distribution to support this. 2164c52399beSRalf Baechle 21651da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 21661da177e4SLinus Torvalds bool "64kB" 216774c81ecdSRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000 21681da177e4SLinus Torvalds help 21691da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 21701da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 21711da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2172714bfad6SRalf Baechle writing this option is still high experimental. 21731da177e4SLinus Torvalds 21741da177e4SLinus Torvaldsendchoice 21751da177e4SLinus Torvalds 2176c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2177c9bace7cSDavid Daney int "Maximum zone order" 2178e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2179e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2180e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2181e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2182e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2183e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2184c9bace7cSDavid Daney range 11 64 2185c9bace7cSDavid Daney default "11" 2186c9bace7cSDavid Daney help 2187c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2188c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2189c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2190c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2191c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2192c9bace7cSDavid Daney increase this value. 2193c9bace7cSDavid Daney 2194c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2195c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2196c9bace7cSDavid Daney 2197c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2198c9bace7cSDavid Daney when choosing a value for this option. 2199c9bace7cSDavid Daney 22001da177e4SLinus Torvaldsconfig BOARD_SCACHE 22011da177e4SLinus Torvalds bool 22021da177e4SLinus Torvalds 22031da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 22041da177e4SLinus Torvalds bool 22051da177e4SLinus Torvalds select BOARD_SCACHE 22061da177e4SLinus Torvalds 22079318c51aSChris Dearman# 22089318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 22099318c51aSChris Dearman# 22109318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 22119318c51aSChris Dearman bool 22129318c51aSChris Dearman select BOARD_SCACHE 22139318c51aSChris Dearman 22141da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 22151da177e4SLinus Torvalds bool 22161da177e4SLinus Torvalds select BOARD_SCACHE 22171da177e4SLinus Torvalds 22181da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 22191da177e4SLinus Torvalds bool 22201da177e4SLinus Torvalds select BOARD_SCACHE 22211da177e4SLinus Torvalds 22221da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 22231da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 22241da177e4SLinus Torvalds depends on CPU_SB1 22251da177e4SLinus Torvalds help 22261da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 22271da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 22281da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 22291da177e4SLinus Torvalds 22301da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2231c8094b53SRalf Baechle bool 22321da177e4SLinus Torvalds 22333165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 22343165c846SFlorian Fainelli bool 22353165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 22363165c846SFlorian Fainelli 223791405eb6SFlorian Fainelliconfig CPU_R4K_FPU 223891405eb6SFlorian Fainelli bool 223991405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 224091405eb6SFlorian Fainelli 224162cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 224262cedc4fSFlorian Fainelli bool 224362cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 224462cedc4fSFlorian Fainelli 224559d6ab86SRalf Baechleconfig MIPS_MT_SMP 2246a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 22475676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 224859d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2249d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2250c080faa5SSteven J. Hill select SYNC_R4K 225159d6ab86SRalf Baechle select MIPS_MT 225259d6ab86SRalf Baechle select SMP 225387353d8aSRalf Baechle select SMP_UP 2254c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2255c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2256399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 225759d6ab86SRalf Baechle help 2258c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2259c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2260c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2261c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2262c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 226359d6ab86SRalf Baechle 2264f41ae0b2SRalf Baechleconfig MIPS_MT 2265f41ae0b2SRalf Baechle bool 2266f41ae0b2SRalf Baechle 22670ab7aefcSRalf Baechleconfig SCHED_SMT 22680ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 22690ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 22700ab7aefcSRalf Baechle default n 22710ab7aefcSRalf Baechle help 22720ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 22730ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 22740ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 22750ab7aefcSRalf Baechle 22760ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 22770ab7aefcSRalf Baechle bool 22780ab7aefcSRalf Baechle 2279f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2280f41ae0b2SRalf Baechle bool 2281f41ae0b2SRalf Baechle 2282f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2283f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2284f088fc84SRalf Baechle default y 2285b633648cSRalf Baechle depends on MIPS_MT_SMP 228607cc0c9eSRalf Baechle 2287b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2288b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2289b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2290b0a668fbSLeonid Yegoshin default y 2291b0a668fbSLeonid Yegoshin help 2292b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2293b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 229407edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2295b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2296b0a668fbSLeonid Yegoshin final kernel image. 2297b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2298b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2299b0a668fbSLeonid Yegoshin 230007cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 230107cc0c9eSRalf Baechle bool "VPE loader support." 2302704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 230307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 230407cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 230507cc0c9eSRalf Baechle select MIPS_MT 230607cc0c9eSRalf Baechle help 230707cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 230807cc0c9eSRalf Baechle onto another VPE and running it. 2309f088fc84SRalf Baechle 231017a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 231117a1d523SDeng-Cheng Zhu bool 231217a1d523SDeng-Cheng Zhu default "y" 231317a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 231417a1d523SDeng-Cheng Zhu 23151a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 23161a2a6d7eSDeng-Cheng Zhu bool 23171a2a6d7eSDeng-Cheng Zhu default "y" 23181a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 23191a2a6d7eSDeng-Cheng Zhu 2320e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2321e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2322e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2323e01402b1SRalf Baechle default y 2324e01402b1SRalf Baechle help 2325e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2326e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2327e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2328e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2329e01402b1SRalf Baechle 2330e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2331e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2332e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 23335e83d430SRalf Baechle help 2334e01402b1SRalf Baechle 2335da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2336da615cf6SDeng-Cheng Zhu bool 2337da615cf6SDeng-Cheng Zhu default "y" 2338da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2339da615cf6SDeng-Cheng Zhu 23402c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 23412c973ef0SDeng-Cheng Zhu bool 23422c973ef0SDeng-Cheng Zhu default "y" 23432c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 23442c973ef0SDeng-Cheng Zhu 23454a16ff4cSRalf Baechleconfig MIPS_CMP 23465cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 23475676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 2348b10b43baSMarkos Chandras select SMP 2349eb9b5141STim Anderson select SYNC_R4K 2350b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 23514a16ff4cSRalf Baechle select WEAK_ORDERING 23524a16ff4cSRalf Baechle default n 23534a16ff4cSRalf Baechle help 2354044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2355044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2356044505c7SPaul Burton its ability to start secondary CPUs. 23574a16ff4cSRalf Baechle 23585cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 23595cac93b3SPaul Burton instead of this. 23605cac93b3SPaul Burton 23610ee958e1SPaul Burtonconfig MIPS_CPS 23620ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 23635a3e7c02SPaul Burton depends on SYS_SUPPORTS_MIPS_CPS 23640ee958e1SPaul Burton select MIPS_CM 23650ee958e1SPaul Burton select MIPS_CPC 23661d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 23670ee958e1SPaul Burton select SMP 23680ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 23691d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 23700ee958e1SPaul Burton select SYS_SUPPORTS_SMP 23710ee958e1SPaul Burton select WEAK_ORDERING 23720ee958e1SPaul Burton help 23730ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 23740ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 23750ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 23760ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 23770ee958e1SPaul Burton support is unavailable. 23780ee958e1SPaul Burton 23793179d37eSPaul Burtonconfig MIPS_CPS_PM 238039a59593SMarkos Chandras depends on MIPS_CPS 2381a8b84677SPaul Burton select MIPS_CPC 23823179d37eSPaul Burton bool 23833179d37eSPaul Burton 23849f98f3ddSPaul Burtonconfig MIPS_CM 23859f98f3ddSPaul Burton bool 23869f98f3ddSPaul Burton 23879c38cf44SPaul Burtonconfig MIPS_CPC 23889c38cf44SPaul Burton bool 23892600990eSRalf Baechle 23901da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 23911da177e4SLinus Torvalds bool 23921da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 23931da177e4SLinus Torvalds default y 23941da177e4SLinus Torvalds 23951da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 23961da177e4SLinus Torvalds bool 23971da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 23981da177e4SLinus Torvalds default y 23991da177e4SLinus Torvalds 24002235a54dSSanjay Lal 240160ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 240234adb28dSRalf Baechle bool 240360ec6571Spascal@pabr.org 24049e2b5372SMarkos Chandraschoice 24059e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 24069e2b5372SMarkos Chandras 24079e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 24089e2b5372SMarkos Chandras bool "None" 24099e2b5372SMarkos Chandras help 24109e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 24119e2b5372SMarkos Chandras 24129693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 24139693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 24149e2b5372SMarkos Chandras bool "SmartMIPS" 24159693a853SFranck Bui-Huu help 24169693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 24179693a853SFranck Bui-Huu increased security at both hardware and software level for 24189693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 24199693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 24209693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 24219693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 24229693a853SFranck Bui-Huu here. 24239693a853SFranck Bui-Huu 2424bce86083SSteven J. Hillconfig CPU_MICROMIPS 24257fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 24269e2b5372SMarkos Chandras bool "microMIPS" 2427bce86083SSteven J. Hill help 2428bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2429bce86083SSteven J. Hill microMIPS ISA 2430bce86083SSteven J. Hill 24319e2b5372SMarkos Chandrasendchoice 24329e2b5372SMarkos Chandras 2433a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 24340ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2435a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 24362a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2437a5e9a69eSPaul Burton help 2438a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2439a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 24401db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 24411db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 24421db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 24431db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 24441db1af84SPaul Burton the size & complexity of your kernel. 2445a5e9a69eSPaul Burton 2446a5e9a69eSPaul Burton If unsure, say Y. 2447a5e9a69eSPaul Burton 24481da177e4SLinus Torvaldsconfig CPU_HAS_WB 2449f7062ddbSRalf Baechle bool 2450e01402b1SRalf Baechle 2451df0ac8a4SKevin Cernekeeconfig XKS01 2452df0ac8a4SKevin Cernekee bool 2453df0ac8a4SKevin Cernekee 24548256b17eSFlorian Fainelliconfig CPU_HAS_RIXI 24558256b17eSFlorian Fainelli bool 24568256b17eSFlorian Fainelli 2457f41ae0b2SRalf Baechle# 2458f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2459f41ae0b2SRalf Baechle# 2460e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2461f41ae0b2SRalf Baechle bool 2462e01402b1SRalf Baechle 2463f41ae0b2SRalf Baechle# 2464f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2465f41ae0b2SRalf Baechle# 2466e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2467f41ae0b2SRalf Baechle bool 2468e01402b1SRalf Baechle 24691da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 24701da177e4SLinus Torvalds bool 24711da177e4SLinus Torvalds depends on !CPU_R3000 24721da177e4SLinus Torvalds default y 24731da177e4SLinus Torvalds 24741da177e4SLinus Torvalds# 247520d60d99SMaciej W. Rozycki# CPU non-features 247620d60d99SMaciej W. Rozycki# 247720d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 247820d60d99SMaciej W. Rozycki bool 247920d60d99SMaciej W. Rozycki 248020d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 248120d60d99SMaciej W. Rozycki bool 248220d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 248320d60d99SMaciej W. Rozycki 248420d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 248520d60d99SMaciej W. Rozycki bool 248620d60d99SMaciej W. Rozycki 24874edf00a4SPaul Burtonconfig MIPS_ASID_SHIFT 24884edf00a4SPaul Burton int 24894edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24904edf00a4SPaul Burton default 4 if CPU_R8000 24914edf00a4SPaul Burton default 0 24924edf00a4SPaul Burton 24934edf00a4SPaul Burtonconfig MIPS_ASID_BITS 24944edf00a4SPaul Burton int 24952db003a5SPaul Burton default 0 if MIPS_ASID_BITS_VARIABLE 24964edf00a4SPaul Burton default 6 if CPU_R3000 || CPU_TX39XX 24974edf00a4SPaul Burton default 8 24984edf00a4SPaul Burton 24992db003a5SPaul Burtonconfig MIPS_ASID_BITS_VARIABLE 25002db003a5SPaul Burton bool 25012db003a5SPaul Burton 250220d60d99SMaciej W. Rozycki# 25031da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 25041da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 25051da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 25061da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 25071da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 25081da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 25091da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 25101da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2511797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2512797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2513797798c1SRalf Baechle# support. 25141da177e4SLinus Torvalds# 25151da177e4SLinus Torvaldsconfig HIGHMEM 25161da177e4SLinus Torvalds bool "High Memory Support" 2517a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2518797798c1SRalf Baechle 2519797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2520797798c1SRalf Baechle bool 2521797798c1SRalf Baechle 2522797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2523797798c1SRalf Baechle bool 25241da177e4SLinus Torvalds 25259693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 25269693a853SFranck Bui-Huu bool 25279693a853SFranck Bui-Huu 2528a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2529a6a4834cSSteven J. Hill bool 2530a6a4834cSSteven J. Hill 2531377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2532377cb1b6SRalf Baechle bool 2533377cb1b6SRalf Baechle help 2534377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2535377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2536377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2537377cb1b6SRalf Baechle 2538a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2539a5e9a69eSPaul Burton bool 2540a5e9a69eSPaul Burton 2541b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2542b4819b59SYoichi Yuasa def_bool y 2543f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2544b4819b59SYoichi Yuasa 2545d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2546d8cb4e11SRalf Baechle bool 2547d8cb4e11SRalf Baechle default y if SGI_IP27 2548d8cb4e11SRalf Baechle help 25493dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2550d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2551d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2552d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2553d8cb4e11SRalf Baechle 2554b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2555b1c6cd42SAtsushi Nemoto bool 25567de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 255731473747SAtsushi Nemoto 2558d8cb4e11SRalf Baechleconfig NUMA 2559d8cb4e11SRalf Baechle bool "NUMA Support" 2560d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2561d8cb4e11SRalf Baechle help 2562d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2563d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2564d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2565d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2566d8cb4e11SRalf Baechle disabled. 2567d8cb4e11SRalf Baechle 2568d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2569d8cb4e11SRalf Baechle bool 2570d8cb4e11SRalf Baechle 25718c530ea3SMatt Redfearnconfig RELOCATABLE 25728c530ea3SMatt Redfearn bool "Relocatable kernel" 25738c530ea3SMatt Redfearn depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6) 25748c530ea3SMatt Redfearn help 25758c530ea3SMatt Redfearn This builds a kernel image that retains relocation information 25768c530ea3SMatt Redfearn so it can be loaded someplace besides the default 1MB. 25778c530ea3SMatt Redfearn The relocations make the kernel binary about 15% larger, 25788c530ea3SMatt Redfearn but are discarded at runtime 25798c530ea3SMatt Redfearn 2580069fd766SMatt Redfearnconfig RELOCATION_TABLE_SIZE 2581069fd766SMatt Redfearn hex "Relocation table size" 2582069fd766SMatt Redfearn depends on RELOCATABLE 2583069fd766SMatt Redfearn range 0x0 0x01000000 2584069fd766SMatt Redfearn default "0x00100000" 2585069fd766SMatt Redfearn ---help--- 2586069fd766SMatt Redfearn A table of relocation data will be appended to the kernel binary 2587069fd766SMatt Redfearn and parsed at boot to fix up the relocated kernel. 2588069fd766SMatt Redfearn 2589069fd766SMatt Redfearn This option allows the amount of space reserved for the table to be 2590069fd766SMatt Redfearn adjusted, although the default of 1Mb should be ok in most cases. 2591069fd766SMatt Redfearn 2592069fd766SMatt Redfearn The build will fail and a valid size suggested if this is too small. 2593069fd766SMatt Redfearn 2594069fd766SMatt Redfearn If unsure, leave at the default value. 2595069fd766SMatt Redfearn 2596405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE 2597405bc8fdSMatt Redfearn bool "Randomize the address of the kernel image" 2598405bc8fdSMatt Redfearn depends on RELOCATABLE 2599405bc8fdSMatt Redfearn ---help--- 2600405bc8fdSMatt Redfearn Randomizes the physical and virtual address at which the 2601405bc8fdSMatt Redfearn kernel image is loaded, as a security feature that 2602405bc8fdSMatt Redfearn deters exploit attempts relying on knowledge of the location 2603405bc8fdSMatt Redfearn of kernel internals. 2604405bc8fdSMatt Redfearn 2605405bc8fdSMatt Redfearn Entropy is generated using any coprocessor 0 registers available. 2606405bc8fdSMatt Redfearn 2607405bc8fdSMatt Redfearn The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET. 2608405bc8fdSMatt Redfearn 2609405bc8fdSMatt Redfearn If unsure, say N. 2610405bc8fdSMatt Redfearn 2611405bc8fdSMatt Redfearnconfig RANDOMIZE_BASE_MAX_OFFSET 2612405bc8fdSMatt Redfearn hex "Maximum kASLR offset" if EXPERT 2613405bc8fdSMatt Redfearn depends on RANDOMIZE_BASE 2614405bc8fdSMatt Redfearn range 0x0 0x40000000 if EVA || 64BIT 2615405bc8fdSMatt Redfearn range 0x0 0x08000000 2616405bc8fdSMatt Redfearn default "0x01000000" 2617405bc8fdSMatt Redfearn ---help--- 2618405bc8fdSMatt Redfearn When kASLR is active, this provides the maximum offset that will 2619405bc8fdSMatt Redfearn be applied to the kernel image. It should be set according to the 2620405bc8fdSMatt Redfearn amount of physical RAM available in the target system minus 2621405bc8fdSMatt Redfearn PHYSICAL_START and must be a power of 2. 2622405bc8fdSMatt Redfearn 2623405bc8fdSMatt Redfearn This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with 2624405bc8fdSMatt Redfearn EVA or 64-bit. The default is 16Mb. 2625405bc8fdSMatt Redfearn 2626c80d79d7SYasunori Gotoconfig NODES_SHIFT 2627c80d79d7SYasunori Goto int 2628c80d79d7SYasunori Goto default "6" 2629c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2630c80d79d7SYasunori Goto 263114f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 263214f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 263323021b2bSYang Shi depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 263414f70012SDeng-Cheng Zhu default y 263514f70012SDeng-Cheng Zhu help 263614f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 263714f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 263814f70012SDeng-Cheng Zhu 2639b4819b59SYoichi Yuasasource "mm/Kconfig" 2640b4819b59SYoichi Yuasa 26411da177e4SLinus Torvaldsconfig SMP 26421da177e4SLinus Torvalds bool "Multi-Processing support" 2643e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2644e73ea273SRalf Baechle help 26451da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 26464a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 26474a474157SRobert Graffham than one CPU, say Y. 26481da177e4SLinus Torvalds 26494a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 26501da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 26511da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 26524a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 26531da177e4SLinus Torvalds will run faster if you say N here. 26541da177e4SLinus Torvalds 26551da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 26561da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 26571da177e4SLinus Torvalds 265803502faaSAdrian Bunk See also the SMP-HOWTO available at 265903502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 26601da177e4SLinus Torvalds 26611da177e4SLinus Torvalds If you don't know what to do here, say N. 26621da177e4SLinus Torvalds 26637840d618SMatt Redfearnconfig HOTPLUG_CPU 26647840d618SMatt Redfearn bool "Support for hot-pluggable CPUs" 26657840d618SMatt Redfearn depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 26667840d618SMatt Redfearn help 26677840d618SMatt Redfearn Say Y here to allow turning CPUs off and on. CPUs can be 26687840d618SMatt Redfearn controlled through /sys/devices/system/cpu. 26697840d618SMatt Redfearn (Note: power management support will enable this option 26707840d618SMatt Redfearn automatically on SMP systems. ) 26717840d618SMatt Redfearn Say N if you want to disable CPU hotplug. 26727840d618SMatt Redfearn 267387353d8aSRalf Baechleconfig SMP_UP 267487353d8aSRalf Baechle bool 267587353d8aSRalf Baechle 26764a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 26774a16ff4cSRalf Baechle bool 26784a16ff4cSRalf Baechle 26790ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 26800ee958e1SPaul Burton bool 26810ee958e1SPaul Burton 2682e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2683e73ea273SRalf Baechle bool 2684e73ea273SRalf Baechle 2685130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2686130e2fb7SRalf Baechle bool 2687130e2fb7SRalf Baechle 2688130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2689130e2fb7SRalf Baechle bool 2690130e2fb7SRalf Baechle 2691130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2692130e2fb7SRalf Baechle bool 2693130e2fb7SRalf Baechle 2694130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2695130e2fb7SRalf Baechle bool 2696130e2fb7SRalf Baechle 2697130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2698130e2fb7SRalf Baechle bool 2699130e2fb7SRalf Baechle 27001da177e4SLinus Torvaldsconfig NR_CPUS 2701a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2702a91796a9SJayachandran C range 2 256 27031da177e4SLinus Torvalds depends on SMP 2704130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2705130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2706130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2707130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2708130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 27091da177e4SLinus Torvalds help 27101da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 27111da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 27121da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 271372ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 271472ede9b1SAtsushi Nemoto and 2 for all others. 27151da177e4SLinus Torvalds 27161da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 271772ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 271872ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 271972ede9b1SAtsushi Nemoto power of two. 27201da177e4SLinus Torvalds 2721399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2722399aaa25SAl Cooper bool 2723399aaa25SAl Cooper 27241723b4a3SAtsushi Nemoto# 27251723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 27261723b4a3SAtsushi Nemoto# 27271723b4a3SAtsushi Nemoto 27281723b4a3SAtsushi Nemotochoice 27291723b4a3SAtsushi Nemoto prompt "Timer frequency" 27301723b4a3SAtsushi Nemoto default HZ_250 27311723b4a3SAtsushi Nemoto help 27321723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 27331723b4a3SAtsushi Nemoto 273467596573SPaul Burton config HZ_24 273567596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 273667596573SPaul Burton 27371723b4a3SAtsushi Nemoto config HZ_48 27380f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 27391723b4a3SAtsushi Nemoto 27401723b4a3SAtsushi Nemoto config HZ_100 27411723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 27421723b4a3SAtsushi Nemoto 27431723b4a3SAtsushi Nemoto config HZ_128 27441723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 27451723b4a3SAtsushi Nemoto 27461723b4a3SAtsushi Nemoto config HZ_250 27471723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 27481723b4a3SAtsushi Nemoto 27491723b4a3SAtsushi Nemoto config HZ_256 27501723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 27511723b4a3SAtsushi Nemoto 27521723b4a3SAtsushi Nemoto config HZ_1000 27531723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 27541723b4a3SAtsushi Nemoto 27551723b4a3SAtsushi Nemoto config HZ_1024 27561723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 27571723b4a3SAtsushi Nemoto 27581723b4a3SAtsushi Nemotoendchoice 27591723b4a3SAtsushi Nemoto 276067596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 276167596573SPaul Burton bool 276267596573SPaul Burton 27631723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 27641723b4a3SAtsushi Nemoto bool 27651723b4a3SAtsushi Nemoto 27661723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 27671723b4a3SAtsushi Nemoto bool 27681723b4a3SAtsushi Nemoto 27691723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 27701723b4a3SAtsushi Nemoto bool 27711723b4a3SAtsushi Nemoto 27721723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 27731723b4a3SAtsushi Nemoto bool 27741723b4a3SAtsushi Nemoto 27751723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 27761723b4a3SAtsushi Nemoto bool 27771723b4a3SAtsushi Nemoto 27781723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 27791723b4a3SAtsushi Nemoto bool 27801723b4a3SAtsushi Nemoto 27811723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 27821723b4a3SAtsushi Nemoto bool 27831723b4a3SAtsushi Nemoto 27841723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 27851723b4a3SAtsushi Nemoto bool 278667596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 278767596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 278867596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 278967596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 279067596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 279167596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 279267596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 27931723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 27941723b4a3SAtsushi Nemoto 27951723b4a3SAtsushi Nemotoconfig HZ 27961723b4a3SAtsushi Nemoto int 279767596573SPaul Burton default 24 if HZ_24 27981723b4a3SAtsushi Nemoto default 48 if HZ_48 27991723b4a3SAtsushi Nemoto default 100 if HZ_100 28001723b4a3SAtsushi Nemoto default 128 if HZ_128 28011723b4a3SAtsushi Nemoto default 250 if HZ_250 28021723b4a3SAtsushi Nemoto default 256 if HZ_256 28031723b4a3SAtsushi Nemoto default 1000 if HZ_1000 28041723b4a3SAtsushi Nemoto default 1024 if HZ_1024 28051723b4a3SAtsushi Nemoto 280696685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 280796685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 280896685b17SDeng-Cheng Zhu 2809e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 28101da177e4SLinus Torvalds 2811ea6e942bSAtsushi Nemotoconfig KEXEC 28127d60717eSKees Cook bool "Kexec system call" 28132965faa5SDave Young select KEXEC_CORE 2814ea6e942bSAtsushi Nemoto help 2815ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2816ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 28173dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2818ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2819ea6e942bSAtsushi Nemoto 282001dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2821ea6e942bSAtsushi Nemoto 2822ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2823ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2824bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2825bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2826bf220695SGeert Uytterhoeven made. 2827ea6e942bSAtsushi Nemoto 28287aa1c8f4SRalf Baechleconfig CRASH_DUMP 28297aa1c8f4SRalf Baechle bool "Kernel crash dumps" 28307aa1c8f4SRalf Baechle help 28317aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 28327aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 28337aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 28347aa1c8f4SRalf Baechle a specially reserved region and then later executed after 28357aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 28367aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 28377aa1c8f4SRalf Baechle PHYSICAL_START. 28387aa1c8f4SRalf Baechle 28397aa1c8f4SRalf Baechleconfig PHYSICAL_START 28407aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 28417aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 28427aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 28437aa1c8f4SRalf Baechle depends on CRASH_DUMP 28447aa1c8f4SRalf Baechle help 28457aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 28467aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 28477aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 28487aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 28497aa1c8f4SRalf Baechle passed to the panic-ed kernel). 28507aa1c8f4SRalf Baechle 2851ea6e942bSAtsushi Nemotoconfig SECCOMP 2852ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2853293c5bd1SRalf Baechle depends on PROC_FS 2854ea6e942bSAtsushi Nemoto default y 2855ea6e942bSAtsushi Nemoto help 2856ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2857ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2858ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2859ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2860ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2861ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2862ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2863ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2864ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2865ea6e942bSAtsushi Nemoto 2866ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2867ea6e942bSAtsushi Nemoto 2868597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 28690ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2870597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2871597ce172SPaul Burton help 2872597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2873597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2874597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2875597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2876597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2877597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2878597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2879597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2880597ce172SPaul Burton saying N here. 2881597ce172SPaul Burton 288206e2e882SPaul Burton Although binutils currently supports use of this flag the details 288306e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 288406e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 288506e2e882SPaul Burton behaviour before the details have been finalised, this option should 288606e2e882SPaul Burton be considered experimental and only enabled by those working upon 288706e2e882SPaul Burton said details. 288806e2e882SPaul Burton 288906e2e882SPaul Burton If unsure, say N. 2890597ce172SPaul Burton 2891f2ffa5abSDezhong Diaoconfig USE_OF 28920b3e06fdSJonas Gorski bool 2893f2ffa5abSDezhong Diao select OF 2894e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2895abd2363fSGrant Likely select IRQ_DOMAIN 2896f2ffa5abSDezhong Diao 28977fafb068SAndrew Brestickerconfig BUILTIN_DTB 28987fafb068SAndrew Bresticker bool 28997fafb068SAndrew Bresticker 29001da8f179SJonas Gorskichoice 29015b24d52cSJonas Gorski prompt "Kernel appended dtb support" if USE_OF 29021da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 29031da8f179SJonas Gorski 29041da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 29051da8f179SJonas Gorski bool "None" 29061da8f179SJonas Gorski help 29071da8f179SJonas Gorski Do not enable appended dtb support. 29081da8f179SJonas Gorski 290987db537dSAaro Koskinen config MIPS_ELF_APPENDED_DTB 291087db537dSAaro Koskinen bool "vmlinux" 291187db537dSAaro Koskinen help 291287db537dSAaro Koskinen With this option, the boot code will look for a device tree binary 291387db537dSAaro Koskinen DTB) included in the vmlinux ELF section .appended_dtb. By default 291487db537dSAaro Koskinen it is empty and the DTB can be appended using binutils command 291587db537dSAaro Koskinen objcopy: 291687db537dSAaro Koskinen 291787db537dSAaro Koskinen objcopy --update-section .appended_dtb=<filename>.dtb vmlinux 291887db537dSAaro Koskinen 291987db537dSAaro Koskinen This is meant as a backward compatiblity convenience for those 292087db537dSAaro Koskinen systems with a bootloader that can't be upgraded to accommodate 292187db537dSAaro Koskinen the documented boot protocol using a device tree. 292287db537dSAaro Koskinen 29231da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 2924b8f54f2cSJonas Gorski bool "vmlinux.bin or vmlinuz.bin" 29251da8f179SJonas Gorski help 29261da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 2927b8f54f2cSJonas Gorski DTB) appended to raw vmlinux.bin or vmlinuz.bin. 29281da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 29291da8f179SJonas Gorski 29301da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 29311da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 29321da8f179SJonas Gorski the documented boot protocol using a device tree. 29331da8f179SJonas Gorski 29341da8f179SJonas Gorski Beware that there is very little in terms of protection against 29351da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 29361da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 29371da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 29381da8f179SJonas Gorski if you don't intend to always append a DTB. 29391da8f179SJonas Gorskiendchoice 29401da8f179SJonas Gorski 29412024972eSJonas Gorskichoice 29422024972eSJonas Gorski prompt "Kernel command line type" if !CMDLINE_OVERRIDE 29432bcef9b4SJonas Gorski default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \ 2944*3f5f0a44SPaul Burton !MIPS_MALTA && \ 29452bcef9b4SJonas Gorski !CAVIUM_OCTEON_SOC 29462024972eSJonas Gorski default MIPS_CMDLINE_FROM_BOOTLOADER 29472024972eSJonas Gorski 29482024972eSJonas Gorski config MIPS_CMDLINE_FROM_DTB 29492024972eSJonas Gorski depends on USE_OF 29502024972eSJonas Gorski bool "Dtb kernel arguments if available" 29512024972eSJonas Gorski 29522024972eSJonas Gorski config MIPS_CMDLINE_DTB_EXTEND 29532024972eSJonas Gorski depends on USE_OF 29542024972eSJonas Gorski bool "Extend dtb kernel arguments with bootloader arguments" 29552024972eSJonas Gorski 29562024972eSJonas Gorski config MIPS_CMDLINE_FROM_BOOTLOADER 29572024972eSJonas Gorski bool "Bootloader kernel arguments if available" 2958ed47e153SRabin Vincent 2959ed47e153SRabin Vincent config MIPS_CMDLINE_BUILTIN_EXTEND 2960ed47e153SRabin Vincent depends on CMDLINE_BOOL 2961ed47e153SRabin Vincent bool "Extend builtin kernel arguments with bootloader arguments" 29622024972eSJonas Gorskiendchoice 29632024972eSJonas Gorski 29645e83d430SRalf Baechleendmenu 29655e83d430SRalf Baechle 29661df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 29671df0f0ffSAtsushi Nemoto bool 29681df0f0ffSAtsushi Nemoto default y 29691df0f0ffSAtsushi Nemoto 29701df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 29711df0f0ffSAtsushi Nemoto bool 29721df0f0ffSAtsushi Nemoto default y 29731df0f0ffSAtsushi Nemoto 2974e1e16115SAaro Koskinenconfig HAVE_LATENCYTOP_SUPPORT 2975e1e16115SAaro Koskinen bool 2976e1e16115SAaro Koskinen default y 2977e1e16115SAaro Koskinen 2978a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2979a728ab52SKirill A. Shutemov int 2980a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2981a728ab52SKirill A. Shutemov default 2 2982a728ab52SKirill A. Shutemov 2983b6c3539bSRalf Baechlesource "init/Kconfig" 2984b6c3539bSRalf Baechle 2985dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2986dc52ddc0SMatt Helsley 29871da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 29881da177e4SLinus Torvalds 29895e83d430SRalf Baechleconfig HW_HAS_EISA 29905e83d430SRalf Baechle bool 29911da177e4SLinus Torvaldsconfig HW_HAS_PCI 29921da177e4SLinus Torvalds bool 29931da177e4SLinus Torvalds 29941da177e4SLinus Torvaldsconfig PCI 29951da177e4SLinus Torvalds bool "Support for PCI controller" 29961da177e4SLinus Torvalds depends on HW_HAS_PCI 2997abb4ae46SRalf Baechle select PCI_DOMAINS 29981da177e4SLinus Torvalds help 29991da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 30001da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 30011da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 30021da177e4SLinus Torvalds say Y, otherwise N. 30031da177e4SLinus Torvalds 30040e476d91SHuacai Chenconfig HT_PCI 30050e476d91SHuacai Chen bool "Support for HT-linked PCI" 30060e476d91SHuacai Chen default y 30070e476d91SHuacai Chen depends on CPU_LOONGSON3 30080e476d91SHuacai Chen select PCI 30090e476d91SHuacai Chen select PCI_DOMAINS 30100e476d91SHuacai Chen help 30110e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 30120e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 30130e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 30140e476d91SHuacai Chen 30151da177e4SLinus Torvaldsconfig PCI_DOMAINS 30161da177e4SLinus Torvalds bool 30171da177e4SLinus Torvalds 301888555b48SPaul Burtonconfig PCI_DOMAINS_GENERIC 301988555b48SPaul Burton bool 302088555b48SPaul Burton 3021c5611df9SPaul Burtonconfig PCI_DRIVERS_GENERIC 302287dd9a4dSPaul Burton select PCI_DOMAINS_GENERIC if PCI_DOMAINS 3023c5611df9SPaul Burton bool 3024c5611df9SPaul Burton 3025c5611df9SPaul Burtonconfig PCI_DRIVERS_LEGACY 3026c5611df9SPaul Burton def_bool !PCI_DRIVERS_GENERIC 3027c5611df9SPaul Burton select NO_GENERIC_PCI_IOPORT_MAP 3028c5611df9SPaul Burton 30291da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 30301da177e4SLinus Torvalds 30311da177e4SLinus Torvalds# 30321da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 30331da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 30341da177e4SLinus Torvalds# users to choose the right thing ... 30351da177e4SLinus Torvalds# 30361da177e4SLinus Torvaldsconfig ISA 30371da177e4SLinus Torvalds bool 30381da177e4SLinus Torvalds 30391da177e4SLinus Torvaldsconfig EISA 30401da177e4SLinus Torvalds bool "EISA support" 30415e83d430SRalf Baechle depends on HW_HAS_EISA 30421da177e4SLinus Torvalds select ISA 3043aa414dffSRalf Baechle select GENERIC_ISA_DMA 30441da177e4SLinus Torvalds ---help--- 30451da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 30461da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 30471da177e4SLinus Torvalds 30481da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 30491da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 30501da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 30511da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 30521da177e4SLinus Torvalds 30531da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 30541da177e4SLinus Torvalds 30551da177e4SLinus Torvalds Otherwise, say N. 30561da177e4SLinus Torvalds 30571da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 30581da177e4SLinus Torvalds 30591da177e4SLinus Torvaldsconfig TC 30601da177e4SLinus Torvalds bool "TURBOchannel support" 30611da177e4SLinus Torvalds depends on MACH_DECSTATION 30621da177e4SLinus Torvalds help 306350a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 306450a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 306550a23e6eSJustin P. Mattock at: 306650a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 306750a23e6eSJustin P. Mattock and: 306850a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 306950a23e6eSJustin P. Mattock Linux driver support status is documented at: 307050a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 30711da177e4SLinus Torvalds 30721da177e4SLinus Torvaldsconfig MMU 30731da177e4SLinus Torvalds bool 30741da177e4SLinus Torvalds default y 30751da177e4SLinus Torvalds 3076d865bea4SRalf Baechleconfig I8253 3077d865bea4SRalf Baechle bool 3078798778b8SRussell King select CLKSRC_I8253 30792d02612fSThomas Gleixner select CLKEVT_I8253 30809726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 3081d865bea4SRalf Baechle 3082e05eb3f8SRalf Baechleconfig ZONE_DMA 3083e05eb3f8SRalf Baechle bool 3084e05eb3f8SRalf Baechle 3085cce335aeSRalf Baechleconfig ZONE_DMA32 3086cce335aeSRalf Baechle bool 3087cce335aeSRalf Baechle 30881da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 30891da177e4SLinus Torvalds 3090388b78adSAlexandre Bounineconfig RAPIDIO 309156abde72SAlexandre Bounine tristate "RapidIO support" 3092388b78adSAlexandre Bounine depends on PCI 3093388b78adSAlexandre Bounine default n 3094388b78adSAlexandre Bounine help 3095388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 3096388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 3097388b78adSAlexandre Bounine 3098388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 3099388b78adSAlexandre Bounine 31001da177e4SLinus Torvaldsendmenu 31011da177e4SLinus Torvalds 31021da177e4SLinus Torvaldsmenu "Executable file formats" 31031da177e4SLinus Torvalds 31041da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 31051da177e4SLinus Torvalds 31061da177e4SLinus Torvaldsconfig TRAD_SIGNALS 31071da177e4SLinus Torvalds bool 31081da177e4SLinus Torvalds 31091da177e4SLinus Torvaldsconfig MIPS32_COMPAT 311078aaf956SRalf Baechle bool 31111da177e4SLinus Torvalds 31121da177e4SLinus Torvaldsconfig COMPAT 31131da177e4SLinus Torvalds bool 31141da177e4SLinus Torvalds 311505e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 311605e43966SAtsushi Nemoto bool 311705e43966SAtsushi Nemoto 31181da177e4SLinus Torvaldsconfig MIPS32_O32 31191da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 312078aaf956SRalf Baechle depends on 64BIT 312178aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 312278aaf956SRalf Baechle select COMPAT 312378aaf956SRalf Baechle select MIPS32_COMPAT 312478aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31251da177e4SLinus Torvalds help 31261da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 31271da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 31281da177e4SLinus Torvalds existing binaries are in this format. 31291da177e4SLinus Torvalds 31301da177e4SLinus Torvalds If unsure, say Y. 31311da177e4SLinus Torvalds 31321da177e4SLinus Torvaldsconfig MIPS32_N32 31331da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 3134c22eacfeSRalf Baechle depends on 64BIT 313578aaf956SRalf Baechle select COMPAT 313678aaf956SRalf Baechle select MIPS32_COMPAT 313778aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 31381da177e4SLinus Torvalds help 31391da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 31401da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 31411da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 31421da177e4SLinus Torvalds cases. 31431da177e4SLinus Torvalds 31441da177e4SLinus Torvalds If unsure, say N. 31451da177e4SLinus Torvalds 31461da177e4SLinus Torvaldsconfig BINFMT_ELF32 31471da177e4SLinus Torvalds bool 31481da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 3149f43edca7SRalf Baechle select ELFCORE 31501da177e4SLinus Torvalds 31512116245eSRalf Baechleendmenu 31521da177e4SLinus Torvalds 31532116245eSRalf Baechlemenu "Power management options" 3154952fa954SRodolfo Giometti 3155363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 3156363c55caSWu Zhangjin def_bool y 31573f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3158363c55caSWu Zhangjin 3159f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 3160f4cb5700SJohannes Berg def_bool y 31613f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 3162f4cb5700SJohannes Berg 31632116245eSRalf Baechlesource "kernel/power/Kconfig" 3164952fa954SRodolfo Giometti 31651da177e4SLinus Torvaldsendmenu 31661da177e4SLinus Torvalds 31677a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 31687a998935SViresh Kumar bool 31697a998935SViresh Kumar 31707a998935SViresh Kumarmenu "CPU Power Management" 3171c095ebafSPaul Burton 3172c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 31737a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 31747a998935SViresh Kumarendif 31759726b43aSWu Zhangjin 3176c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 3177c095ebafSPaul Burton 3178c095ebafSPaul Burtonendmenu 3179c095ebafSPaul Burton 3180d5950b43SSam Ravnborgsource "net/Kconfig" 3181d5950b43SSam Ravnborg 31821da177e4SLinus Torvaldssource "drivers/Kconfig" 31831da177e4SLinus Torvalds 318498cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 318598cdee0eSRalf Baechle 31861da177e4SLinus Torvaldssource "fs/Kconfig" 31871da177e4SLinus Torvalds 31881da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 31891da177e4SLinus Torvalds 31901da177e4SLinus Torvaldssource "security/Kconfig" 31911da177e4SLinus Torvalds 31921da177e4SLinus Torvaldssource "crypto/Kconfig" 31931da177e4SLinus Torvalds 31941da177e4SLinus Torvaldssource "lib/Kconfig" 31952235a54dSSanjay Lal 31962235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 3197