11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 41da177e4SLinus Torvalds # Horrible source of confusion. Die, die, die ... 51da177e4SLinus Torvalds select EMBEDDED 61da177e4SLinus Torvalds 71da177e4SLinus Torvaldsmainmenu "Linux/MIPS Kernel Configuration" 81da177e4SLinus Torvalds 91da177e4SLinus Torvaldsmenu "Machine selection" 101da177e4SLinus Torvalds 115ac6da66SChristoph Lameterconfig ZONE_DMA 125ac6da66SChristoph Lameter bool 135ac6da66SChristoph Lameter 145e83d430SRalf Baechlechoice 155e83d430SRalf Baechle prompt "System type" 165e83d430SRalf Baechle default SGI_IP22 171da177e4SLinus Torvalds 18c3543e25SYoichi Yuasaconfig MACH_ALCHEMY 19c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 201da177e4SLinus Torvalds 2135189fadSRalf Baechleconfig BASLER_EXCITE 22be91589eSThomas Koeller bool "Basler eXcite smart camera" 2335189fadSRalf Baechle select DMA_COHERENT 2435189fadSRalf Baechle select HW_HAS_PCI 2535189fadSRalf Baechle select IRQ_CPU 2635189fadSRalf Baechle select IRQ_CPU_RM7K 2735189fadSRalf Baechle select IRQ_CPU_RM9K 28663c3d90Sthomas@koeller.dyndns.org select MIPS_RM9122 2935189fadSRalf Baechle select SYS_HAS_CPU_RM9000 3035189fadSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3135189fadSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 32cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 3335189fadSRalf Baechle help 3435189fadSRalf Baechle The eXcite is a smart camera platform manufactured by 35be91589eSThomas Koeller Basler Vision Technologies AG. 3635189fadSRalf Baechle 3735189fadSRalf Baechleconfig BASLER_EXCITE_PROTOTYPE 3835189fadSRalf Baechle bool "Support for pre-release units" 3935189fadSRalf Baechle depends on BASLER_EXCITE 4035189fadSRalf Baechle default n 4135189fadSRalf Baechle help 4235189fadSRalf Baechle Pre-series (prototype) units are different from later ones in 4335189fadSRalf Baechle some ways. Select this option if you have one of these. Please 4435189fadSRalf Baechle note that a kernel built with this option selected will not be 4535189fadSRalf Baechle able to run on normal units. 4635189fadSRalf Baechle 47*1c0c13ebSAurelien Jarnoconfig BCM47XX 48*1c0c13ebSAurelien Jarno bool "BCM47XX based boards" 49*1c0c13ebSAurelien Jarno select DMA_NONCOHERENT 50*1c0c13ebSAurelien Jarno select HW_HAS_PCI 51*1c0c13ebSAurelien Jarno select IRQ_CPU 52*1c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 53*1c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 54*1c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 55*1c0c13ebSAurelien Jarno select SSB 56*1c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 57*1c0c13ebSAurelien Jarno select GENERIC_GPIO 58*1c0c13ebSAurelien Jarno help 59*1c0c13ebSAurelien Jarno Support for BCM47XX based boards 60*1c0c13ebSAurelien Jarno 611da177e4SLinus Torvaldsconfig MIPS_COBALT 623fa986faSMartin Michlmayr bool "Cobalt Server" 631da177e4SLinus Torvalds select DMA_NONCOHERENT 641da177e4SLinus Torvalds select HW_HAS_PCI 651da177e4SLinus Torvalds select I8259 661da177e4SLinus Torvalds select IRQ_CPU 67252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 687cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 690a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 70ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 71ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 725e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 739fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 741da177e4SLinus Torvalds 751da177e4SLinus Torvaldsconfig MACH_DECSTATION 763fa986faSMartin Michlmayr bool "DECstations" 771da177e4SLinus Torvalds select BOOT_ELF32 781da177e4SLinus Torvalds select DMA_NONCOHERENT 79d388d685SMaciej W. Rozycki select NO_IOPORT 801da177e4SLinus Torvalds select IRQ_CPU 817cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 827cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 83ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 84ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 855e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 861723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 871723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 881723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 895e83d430SRalf Baechle help 901da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 911da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 921da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 931da177e4SLinus Torvalds 941da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 951da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds DECstation 5000/50 981da177e4SLinus Torvalds DECstation 5000/150 991da177e4SLinus Torvalds DECstation 5000/260 1001da177e4SLinus Torvalds DECsystem 5900/260 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds otherwise choose R3000. 1031da177e4SLinus Torvalds 1045e83d430SRalf Baechleconfig MACH_JAZZ 1053fa986faSMartin Michlmayr bool "Jazz family of machines" 1065e83d430SRalf Baechle select ARC 1075e83d430SRalf Baechle select ARC32 1085e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1095e83d430SRalf Baechle select GENERIC_ISA_DMA 110ea202c63SThomas Bogendoerfer select IRQ_CPU 1115e83d430SRalf Baechle select I8259 1125e83d430SRalf Baechle select ISA 113de61b542SRalf Baechle select PCSPEAKER 1147cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1155e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1165e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1171723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1189fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1191da177e4SLinus Torvalds help 1205e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1215e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1225e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1235e83d430SRalf Baechle Olivetti M700-10 workstations. 1245e83d430SRalf Baechle 1251f21d2bdSBrian Murphyconfig LASAT 1261f21d2bdSBrian Murphy bool "LASAT Networks platforms" 1271f21d2bdSBrian Murphy select DMA_NONCOHERENT 1281f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1291f21d2bdSBrian Murphy select HW_HAS_PCI 1301f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1311f21d2bdSBrian Murphy select MIPS_NILE4 1321f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1331f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1341f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1351f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1361f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1371f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1381f21d2bdSBrian Murphy 139ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 140ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 141ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 142ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 143ade299d8SYoichi Yuasa select DMA_NONCOHERENT 144ade299d8SYoichi Yuasa select BOOT_ELF32 145ade299d8SYoichi Yuasa select BOARD_SCACHE 146ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 147ade299d8SYoichi Yuasa select HW_HAS_PCI 148ade299d8SYoichi Yuasa select I8259 149ade299d8SYoichi Yuasa select ISA 150ade299d8SYoichi Yuasa select IRQ_CPU 151ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 152ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 153ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 154ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 155ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 156ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 15723dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 158ade299d8SYoichi Yuasa select CPU_HAS_WB 159ade299d8SYoichi Yuasa help 160ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 161ade299d8SYoichi Yuasa an FPGA northbridge 162ade299d8SYoichi Yuasa 1631da177e4SLinus Torvaldsconfig MIPS_ATLAS 1643fa986faSMartin Michlmayr bool "MIPS Atlas board" 1651da177e4SLinus Torvalds select BOOT_ELF32 1661da177e4SLinus Torvalds select DMA_NONCOHERENT 16736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1685e83d430SRalf Baechle select IRQ_CPU 1691da177e4SLinus Torvalds select HW_HAS_PCI 1705e83d430SRalf Baechle select MIPS_BOARDS_GEN 1715e83d430SRalf Baechle select MIPS_BONITO64 172252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1735e83d430SRalf Baechle select MIPS_MSC 174f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1751da177e4SLinus Torvalds select SWAP_IO_SPACE 1767cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1777cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1787cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1797cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1807cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 181ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 182ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1835e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1845e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 185f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 1869693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 187e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 1881da177e4SLinus Torvalds help 189f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 1901da177e4SLinus Torvalds board. 1911da177e4SLinus Torvalds 1921da177e4SLinus Torvaldsconfig MIPS_MALTA 1933fa986faSMartin Michlmayr bool "MIPS Malta board" 19461ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1951da177e4SLinus Torvalds select BOOT_ELF32 1961da177e4SLinus Torvalds select DMA_NONCOHERENT 1971da177e4SLinus Torvalds select GENERIC_ISA_DMA 198aa414dffSRalf Baechle select IRQ_CPU 1991da177e4SLinus Torvalds select HW_HAS_PCI 2001da177e4SLinus Torvalds select I8259 2015e83d430SRalf Baechle select MIPS_BOARDS_GEN 2025e83d430SRalf Baechle select MIPS_BONITO64 2039318c51aSChris Dearman select MIPS_CPU_SCACHE 204252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2055e83d430SRalf Baechle select MIPS_MSC 2061da177e4SLinus Torvalds select SWAP_IO_SPACE 2077cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2087cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2097cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2107cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2117cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 21236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 213ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 214ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2155e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2165e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 217f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2189693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2191da177e4SLinus Torvalds help 220f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2211da177e4SLinus Torvalds board. 2221da177e4SLinus Torvalds 2231da177e4SLinus Torvaldsconfig MIPS_SEAD 224d98cc84dSRalf Baechle bool "MIPS SEAD board" 2251da177e4SLinus Torvalds select IRQ_CPU 2261da177e4SLinus Torvalds select DMA_NONCOHERENT 22736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2285e83d430SRalf Baechle select MIPS_BOARDS_GEN 2297cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2307cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2317cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 232ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2335e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2345e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2369693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 237f638d197SMaciej W. Rozycki help 238f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 239f638d197SMaciej W. Rozycki board. 2401da177e4SLinus Torvalds 241c78cbf49SRalf Baechleconfig MIPS_SIM 2423fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 243c78cbf49SRalf Baechle select DMA_NONCOHERENT 24436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 245c78cbf49SRalf Baechle select IRQ_CPU 2469267a30dSMarc St-Jean select BOOT_RAW 2477cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2487cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 24936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 250c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 251c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 252f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 253c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 254c78cbf49SRalf Baechle help 255c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 256c78cbf49SRalf Baechle emulator. 257c78cbf49SRalf Baechle 258ade299d8SYoichi Yuasaconfig MARKEINS 259ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 260ade299d8SYoichi Yuasa select DMA_NONCOHERENT 261ade299d8SYoichi Yuasa select HW_HAS_PCI 262ade299d8SYoichi Yuasa select IRQ_CPU 263ade299d8SYoichi Yuasa select SWAP_IO_SPACE 264ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 265ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 266ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 267ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 268ade299d8SYoichi Yuasa help 269ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 270ade299d8SYoichi Yuasa boards with R5500 CPU. 271ade299d8SYoichi Yuasa 2725e83d430SRalf Baechleconfig MACH_VR41XX 27374142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 2747cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2759fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2765e83d430SRalf Baechle 277ade299d8SYoichi Yuasaconfig PNX8550_JBS 278ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 279ade299d8SYoichi Yuasa select PNX8550 280ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 281ade299d8SYoichi Yuasa 282ade299d8SYoichi Yuasaconfig PNX8550_STB810 283ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 284ade299d8SYoichi Yuasa select PNX8550 285ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 286ade299d8SYoichi Yuasa 2879267a30dSMarc St-Jeanconfig PMC_MSP 2889267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2899267a30dSMarc St-Jean depends on EXPERIMENTAL 2909267a30dSMarc St-Jean select DMA_NONCOHERENT 2919267a30dSMarc St-Jean select SWAP_IO_SPACE 2929267a30dSMarc St-Jean select NO_EXCEPT_FILL 2939267a30dSMarc St-Jean select BOOT_RAW 2949267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2959267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 2969267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 2979267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 2989267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 2999267a30dSMarc St-Jean select IRQ_CPU 3009267a30dSMarc St-Jean select SERIAL_8250 3019267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3029267a30dSMarc St-Jean help 3039267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3049267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3059267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3069267a30dSMarc St-Jean a variety of MIPS cores. 3079267a30dSMarc St-Jean 3085e83d430SRalf Baechleconfig PMC_YOSEMITE 3093fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 3105e83d430SRalf Baechle select DMA_COHERENT 3115e83d430SRalf Baechle select HW_HAS_PCI 3125e83d430SRalf Baechle select IRQ_CPU 3135e83d430SRalf Baechle select IRQ_CPU_RM7K 3145e83d430SRalf Baechle select IRQ_CPU_RM9K 3155e83d430SRalf Baechle select SWAP_IO_SPACE 3167cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 31736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3185e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3195e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3205e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3215e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 322cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 323e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3245e83d430SRalf Baechle help 3255e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3265e83d430SRalf Baechle manufactured by PMC-Sierra. 3271da177e4SLinus Torvalds 32807119621SRalf Baechleconfig QEMU 3293fa986faSMartin Michlmayr bool "Qemu" 33007119621SRalf Baechle select DMA_COHERENT 33107119621SRalf Baechle select GENERIC_ISA_DMA 33207119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 33307119621SRalf Baechle select I8259 33407119621SRalf Baechle select ISA 335de61b542SRalf Baechle select PCSPEAKER 33607119621SRalf Baechle select SWAP_IO_SPACE 3377cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 33807119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 33907119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 340c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 341b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3429fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 34372ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 34472ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 34507119621SRalf Baechle help 34607119621SRalf Baechle Qemu is a software emulator which among other architectures also 34707119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 34807119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 34907119621SRalf Baechle will eventually be removed again when Qemu has the capability to 35007119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 35107119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 35207119621SRalf Baechle 3531da177e4SLinus Torvaldsconfig SGI_IP22 3543fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3551da177e4SLinus Torvalds select ARC 3561da177e4SLinus Torvalds select ARC32 3571da177e4SLinus Torvalds select BOOT_ELF32 3581da177e4SLinus Torvalds select DMA_NONCOHERENT 3595e83d430SRalf Baechle select HW_HAS_EISA 3601da177e4SLinus Torvalds select IP22_CPU_SCACHE 3611da177e4SLinus Torvalds select IRQ_CPU 362aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3631da177e4SLinus Torvalds select SWAP_IO_SPACE 3647cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3657cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 36636a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 367ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 368ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3695e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3701da177e4SLinus Torvalds help 3711da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3721da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3731da177e4SLinus Torvalds that runs on these, say Y here. 3741da177e4SLinus Torvalds 3751da177e4SLinus Torvaldsconfig SGI_IP27 3763fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3771da177e4SLinus Torvalds select ARC 3781da177e4SLinus Torvalds select ARC64 3795e83d430SRalf Baechle select BOOT_ELF64 3801da177e4SLinus Torvalds select DMA_IP27 38136a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3821da177e4SLinus Torvalds select HW_HAS_PCI 383130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3841da177e4SLinus Torvalds select PCI_DOMAINS 3857cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 386ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3875e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 388cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 389d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3901a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 391e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3921da177e4SLinus Torvalds help 3931da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3941da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3951da177e4SLinus Torvalds here. 3961da177e4SLinus Torvalds 3971da177e4SLinus Torvaldsconfig SGI_IP32 398cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 3991da177e4SLinus Torvalds select ARC 4001da177e4SLinus Torvalds select ARC32 4011da177e4SLinus Torvalds select BOOT_ELF32 4021da177e4SLinus Torvalds select DMA_NONCOHERENT 4031da177e4SLinus Torvalds select HW_HAS_PCI 4041da177e4SLinus Torvalds select R5000_CPU_SCACHE 4051da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4067cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4077cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4087cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 409dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 410ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4115e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4121da177e4SLinus Torvalds help 4131da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4141da177e4SLinus Torvalds 415ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 416ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4175e83d430SRalf Baechle depends on EXPERIMENTAL 4185e83d430SRalf Baechle select BOOT_ELF32 4195e83d430SRalf Baechle select DMA_COHERENT 4205e83d430SRalf Baechle select SIBYTE_BCM1120 4215e83d430SRalf Baechle select SWAP_IO_SPACE 4227cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4245e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4255e83d430SRalf Baechle 426ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 427ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4285e83d430SRalf Baechle depends on EXPERIMENTAL 4295e83d430SRalf Baechle select BOOT_ELF32 4305e83d430SRalf Baechle select DMA_COHERENT 4315e83d430SRalf Baechle select SIBYTE_BCM1120 4325e83d430SRalf Baechle select SWAP_IO_SPACE 4337cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4345e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4355e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4365e83d430SRalf Baechle 4375e83d430SRalf Baechleconfig SIBYTE_CRHONE 4383fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4395e83d430SRalf Baechle depends on EXPERIMENTAL 4405e83d430SRalf Baechle select BOOT_ELF32 4415e83d430SRalf Baechle select DMA_COHERENT 4425e83d430SRalf Baechle select SIBYTE_BCM1125 4435e83d430SRalf Baechle select SWAP_IO_SPACE 4447cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4455e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4465e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4475e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4485e83d430SRalf Baechle 449ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 450ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 451ade299d8SYoichi Yuasa depends on EXPERIMENTAL 452ade299d8SYoichi Yuasa select BOOT_ELF32 453ade299d8SYoichi Yuasa select DMA_COHERENT 454ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 455ade299d8SYoichi Yuasa select SWAP_IO_SPACE 456ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 457ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 458ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 459ade299d8SYoichi Yuasa 460ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 461ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 462ade299d8SYoichi Yuasa select BOOT_ELF32 463ade299d8SYoichi Yuasa select DMA_COHERENT 464ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 465ade299d8SYoichi Yuasa select SIBYTE_SB1250 466ade299d8SYoichi Yuasa select SWAP_IO_SPACE 467ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 468ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 469ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 470ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 471ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 472ade299d8SYoichi Yuasa 473ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 474ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 475ade299d8SYoichi Yuasa depends on EXPERIMENTAL 476ade299d8SYoichi Yuasa select BOOT_ELF32 477ade299d8SYoichi Yuasa select DMA_COHERENT 478ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 479ade299d8SYoichi Yuasa select SIBYTE_SB1250 480ade299d8SYoichi Yuasa select SWAP_IO_SPACE 481ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 482ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 483ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 484ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 485ade299d8SYoichi Yuasa 486ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 487ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 488ade299d8SYoichi Yuasa depends on EXPERIMENTAL 489ade299d8SYoichi Yuasa select BOOT_ELF32 490ade299d8SYoichi Yuasa select DMA_COHERENT 491ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 492ade299d8SYoichi Yuasa select SIBYTE_SB1250 493ade299d8SYoichi Yuasa select SWAP_IO_SPACE 494ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 495ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 496ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 497ade299d8SYoichi Yuasa 498ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 499ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 500ade299d8SYoichi Yuasa depends on EXPERIMENTAL 501ade299d8SYoichi Yuasa select BOOT_ELF32 502ade299d8SYoichi Yuasa select DMA_COHERENT 503ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 504ade299d8SYoichi Yuasa select SIBYTE_SB1250 505ade299d8SYoichi Yuasa select SWAP_IO_SPACE 506ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 507ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 508ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 509ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 510ade299d8SYoichi Yuasa 511ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 512ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 513ade299d8SYoichi Yuasa select BOOT_ELF32 514ade299d8SYoichi Yuasa select DMA_COHERENT 515ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 516ade299d8SYoichi Yuasa select PCI_DOMAINS 517ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 518ade299d8SYoichi Yuasa select SWAP_IO_SPACE 519ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 520ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 521ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 522ade299d8SYoichi Yuasa 52314b36af4SThomas Bogendoerferconfig SNI_RM 52414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5254a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5264a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5275e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5285e83d430SRalf Baechle select BOOT_ELF32 5295e83d430SRalf Baechle select DMA_NONCOHERENT 5305e83d430SRalf Baechle select GENERIC_ISA_DMA 5315e83d430SRalf Baechle select HW_HAS_EISA 5325e83d430SRalf Baechle select HW_HAS_PCI 533c066a32aSThomas Bogendoerfer select IRQ_CPU 5345e83d430SRalf Baechle select I8259 5355e83d430SRalf Baechle select ISA 536de61b542SRalf Baechle select PCSPEAKER 5374a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5387cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5394a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 540c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5414a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 54236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 543ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5445e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5454a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5465e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5475e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5481da177e4SLinus Torvalds help 54914b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 55014b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5515e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5525e83d430SRalf Baechle support this machine type. 5531da177e4SLinus Torvalds 5545e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5553fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 5565e83d430SRalf Baechle select DMA_NONCOHERENT 5575e83d430SRalf Baechle select HW_HAS_PCI 5585e83d430SRalf Baechle select MIPS_TX3927 559c87abd75SAtsushi Nemoto select IRQ_TXX9 5605e83d430SRalf Baechle select SWAP_IO_SPACE 5617cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5625e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5636a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5645e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5652127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5665e83d430SRalf Baechle 5675e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 56808a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 5695e83d430SRalf Baechle select DMA_NONCOHERENT 5705e83d430SRalf Baechle select HAS_TXX9_SERIAL 5715e83d430SRalf Baechle select HW_HAS_PCI 572c87abd75SAtsushi Nemoto select IRQ_CPU 573c87abd75SAtsushi Nemoto select IRQ_TXX9 574c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 5755e83d430SRalf Baechle select SWAP_IO_SPACE 5767cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 5775e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5785e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5796a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 581cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 5829fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5835e83d430SRalf Baechle help 5845e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 5855e83d430SRalf Baechle support this machine type 5861da177e4SLinus Torvalds 58723fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 5883fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 58923fbee9dSRalf Baechle select DMA_NONCOHERENT 59023fbee9dSRalf Baechle select HAS_TXX9_SERIAL 59123fbee9dSRalf Baechle select HW_HAS_PCI 592c87abd75SAtsushi Nemoto select IRQ_CPU 593c87abd75SAtsushi Nemoto select IRQ_TXX9 59423fbee9dSRalf Baechle select SWAP_IO_SPACE 5957cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 59623fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 59723fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 59823fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 599cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6009fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6013896b054SAtsushi Nemoto select GENERIC_GPIO 60223fbee9dSRalf Baechle help 60323fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 60423fbee9dSRalf Baechle support this machine type 60523fbee9dSRalf Baechle 606ade299d8SYoichi Yuasaconfig WR_PPMC 607ade299d8SYoichi Yuasa bool "Wind River PPMC board" 608ade299d8SYoichi Yuasa select IRQ_CPU 609ade299d8SYoichi Yuasa select BOOT_ELF32 610ade299d8SYoichi Yuasa select DMA_NONCOHERENT 611ade299d8SYoichi Yuasa select HW_HAS_PCI 612ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 613ade299d8SYoichi Yuasa select SWAP_IO_SPACE 614ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 615ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 616ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 617ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 618ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 619ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 620ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 621ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 622ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 623ade299d8SYoichi Yuasa help 624ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 625ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 626ade299d8SYoichi Yuasa 6271da177e4SLinus Torvaldsendchoice 6281da177e4SLinus Torvalds 629c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6305e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6311f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6325e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 63329c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 63438b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6355e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 63623fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6375e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 63838b18f72SRalf Baechle 6395e83d430SRalf Baechleendmenu 6405e83d430SRalf Baechle 6411da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6421da177e4SLinus Torvalds bool 6431da177e4SLinus Torvalds default y 6441da177e4SLinus Torvalds 6451da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6461da177e4SLinus Torvalds bool 6471da177e4SLinus Torvalds 648f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 649f0d1b0b3SDavid Howells bool 650f0d1b0b3SDavid Howells default n 651f0d1b0b3SDavid Howells 652f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 653f0d1b0b3SDavid Howells bool 654f0d1b0b3SDavid Howells default n 655f0d1b0b3SDavid Howells 6563c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6573c9ee7efSAkinobu Mita bool 6583c9ee7efSAkinobu Mita default y 6593c9ee7efSAkinobu Mita 6603c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6613c9ee7efSAkinobu Mita bool 6623c9ee7efSAkinobu Mita default y 6633c9ee7efSAkinobu Mita 6641da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6651da177e4SLinus Torvalds bool 6661da177e4SLinus Torvalds default y 6671da177e4SLinus Torvalds 6688db02010SRalf Baechleconfig GENERIC_TIME 6698db02010SRalf Baechle bool 6708db02010SRalf Baechle default y 6718db02010SRalf Baechle 6721cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6731cc89038SAtsushi Nemoto bool 6741cc89038SAtsushi Nemoto default y 6751cc89038SAtsushi Nemoto 676e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 677e77c232cSFranck Bui-Huu bool 678e77c232cSFranck Bui-Huu default n 679e77c232cSFranck Bui-Huu 6801da177e4SLinus Torvalds# 6811da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6821da177e4SLinus Torvalds# 6831da177e4SLinus Torvaldsconfig ARC 6841da177e4SLinus Torvalds bool 6851da177e4SLinus Torvalds 68661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 68761ed242dSRalf Baechle bool 68861ed242dSRalf Baechle 6899267a30dSMarc St-Jeanconfig BOOT_RAW 6909267a30dSMarc St-Jean bool 6919267a30dSMarc St-Jean 6921da177e4SLinus Torvaldsconfig DMA_COHERENT 6931da177e4SLinus Torvalds bool 6941da177e4SLinus Torvalds 6951da177e4SLinus Torvaldsconfig DMA_IP27 6961da177e4SLinus Torvalds bool 6971da177e4SLinus Torvalds 6984ce588cdSRalf Baechleconfig DMA_IP32 6994ce588cdSRalf Baechle bool 7004ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7014ce588cdSRalf Baechle 7021da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7031da177e4SLinus Torvalds bool 7044ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7054ce588cdSRalf Baechle 7064ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7074ce588cdSRalf Baechle bool 7081da177e4SLinus Torvalds 7091da177e4SLinus Torvaldsconfig EARLY_PRINTK 71036a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 71136a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 71236a88530SRalf Baechle default y 71336a88530SRalf Baechle help 71436a88530SRalf Baechle This option enables special console drivers which allow the kernel 71536a88530SRalf Baechle to print messages very early in the bootup process. 71636a88530SRalf Baechle 71736a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 718490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 719490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 720490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 72136a88530SRalf Baechle unless you want to debug such a crash. 72236a88530SRalf Baechle 72336a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7241da177e4SLinus Torvalds bool 7251da177e4SLinus Torvalds 726dbb74540SRalf Baechleconfig HOTPLUG_CPU 727dbb74540SRalf Baechle bool 728dbb74540SRalf Baechle default n 729dbb74540SRalf Baechle 7301da177e4SLinus Torvaldsconfig I8259 7311da177e4SLinus Torvalds bool 7321da177e4SLinus Torvalds 7331da177e4SLinus Torvaldsconfig MIPS_BONITO64 7341da177e4SLinus Torvalds bool 7351da177e4SLinus Torvalds 7361da177e4SLinus Torvaldsconfig MIPS_MSC 7371da177e4SLinus Torvalds bool 7381da177e4SLinus Torvalds 7391f21d2bdSBrian Murphyconfig MIPS_NILE4 7401f21d2bdSBrian Murphy bool 7411f21d2bdSBrian Murphy 7421da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7431da177e4SLinus Torvalds bool 7441da177e4SLinus Torvalds 745d388d685SMaciej W. Rozyckiconfig NO_IOPORT 746d388d685SMaciej W. Rozycki def_bool n 747d388d685SMaciej W. Rozycki 7488313da30SRalf Baechleconfig GENERIC_ISA_DMA 7498313da30SRalf Baechle bool 7508313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7518313da30SRalf Baechle 752aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 753aa414dffSRalf Baechle bool 7548313da30SRalf Baechle select GENERIC_ISA_DMA 755aa414dffSRalf Baechle 75609663335SYoichi Yuasaconfig GENERIC_GPIO 75709663335SYoichi Yuasa bool 75809663335SYoichi Yuasa 7595e83d430SRalf Baechle# 7603cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7615e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7625e83d430SRalf Baechle# choice statement should be more obvious to the user. 7635e83d430SRalf Baechle# 7645e83d430SRalf Baechlechoice 7655e83d430SRalf Baechle prompt "Endianess selection" 7661da177e4SLinus Torvalds help 7671da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7685e83d430SRalf Baechle byte order. These modes require different kernels and a different 7693cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7705e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7713dde6ad8SDavid Sterba one or the other endianness. 7725e83d430SRalf Baechle 7735e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7745e83d430SRalf Baechle bool "Big endian" 7755e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 7765e83d430SRalf Baechle 7775e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 7785e83d430SRalf Baechle bool "Little endian" 7795e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 7805e83d430SRalf Baechle help 7815e83d430SRalf Baechle 7825e83d430SRalf Baechleendchoice 7835e83d430SRalf Baechle 7842116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 7852116245eSRalf Baechle bool 7862116245eSRalf Baechle 7875e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 7885e83d430SRalf Baechle bool 7895e83d430SRalf Baechle 7905e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 7915e83d430SRalf Baechle bool 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvaldsconfig IRQ_CPU 7941da177e4SLinus Torvalds bool 7951da177e4SLinus Torvalds 7961da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 7971da177e4SLinus Torvalds bool 7981da177e4SLinus Torvalds 7995e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8005e83d430SRalf Baechle bool 8015e83d430SRalf Baechle 8029267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8039267a30dSMarc St-Jean bool 8049267a30dSMarc St-Jean 8059267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8069267a30dSMarc St-Jean bool 8079267a30dSMarc St-Jean 8088420fd00SAtsushi Nemotoconfig IRQ_TXX9 8098420fd00SAtsushi Nemoto bool 8108420fd00SAtsushi Nemoto 8111da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8121da177e4SLinus Torvalds bool 8131da177e4SLinus Torvalds 814252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8151da177e4SLinus Torvalds bool 8161da177e4SLinus Torvalds 8179267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8189267a30dSMarc St-Jean bool 8199267a30dSMarc St-Jean 8201da177e4SLinus Torvaldsconfig MIPS_TX3927 8211da177e4SLinus Torvalds bool 8221da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8231da177e4SLinus Torvalds 824663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 825663c3d90Sthomas@koeller.dyndns.org bool 826663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 827663c3d90Sthomas@koeller.dyndns.org 828bdf21b18SPete Popovconfig PNX8550 829bdf21b18SPete Popov bool 830bdf21b18SPete Popov select SOC_PNX8550 831bdf21b18SPete Popov 832bdf21b18SPete Popovconfig SOC_PNX8550 833bdf21b18SPete Popov bool 834bdf21b18SPete Popov select DMA_NONCOHERENT 835bdf21b18SPete Popov select HW_HAS_PCI 836b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 83736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8387cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 839e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 840cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8414ead1681SFlorian Fainelli select GENERIC_GPIO 842bdf21b18SPete Popov 8431da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8441da177e4SLinus Torvalds bool 8451da177e4SLinus Torvalds 846355c471fSdmitry pervushinconfig EMMA2RH 847355c471fSdmitry pervushin bool 848355c471fSdmitry pervushin depends on MARKEINS 849355c471fSdmitry pervushin default y 850355c471fSdmitry pervushin 851663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 852663c3d90Sthomas@koeller.dyndns.org bool 853663c3d90Sthomas@koeller.dyndns.org 8545e83d430SRalf Baechleconfig ARC32 8555e83d430SRalf Baechle bool 8565e83d430SRalf Baechle 8571da177e4SLinus Torvaldsconfig BOOT_ELF32 8581da177e4SLinus Torvalds bool 8591da177e4SLinus Torvalds 8601da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 8611da177e4SLinus Torvalds int 86206cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 86306cf5583SThomas Bogendoerfer default "7" if SGI_IP27 || SNI_RM 8649267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 8651da177e4SLinus Torvalds default "5" 8661da177e4SLinus Torvalds 8671da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 8681da177e4SLinus Torvalds bool 8691da177e4SLinus Torvalds 8701da177e4SLinus Torvaldsconfig ARC_CONSOLE 8711da177e4SLinus Torvalds bool "ARC console support" 87236a88530SRalf Baechle depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvaldsconfig ARC_MEMORY 8751da177e4SLinus Torvalds bool 87614b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 8771da177e4SLinus Torvalds default y 8781da177e4SLinus Torvalds 8791da177e4SLinus Torvaldsconfig ARC_PROMLIB 8801da177e4SLinus Torvalds bool 88114b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 8821da177e4SLinus Torvalds default y 8831da177e4SLinus Torvalds 8841da177e4SLinus Torvaldsconfig ARC64 8851da177e4SLinus Torvalds bool 8861da177e4SLinus Torvalds 8871da177e4SLinus Torvaldsconfig BOOT_ELF64 8881da177e4SLinus Torvalds bool 8891da177e4SLinus Torvalds 8901da177e4SLinus Torvaldsmenu "CPU selection" 8911da177e4SLinus Torvalds 8921da177e4SLinus Torvaldschoice 8931da177e4SLinus Torvalds prompt "CPU type" 8941da177e4SLinus Torvalds default CPU_R4X00 8951da177e4SLinus Torvalds 8962a21c730SFuxin Zhangconfig CPU_LOONGSON2 8972a21c730SFuxin Zhang bool "Loongson 2" 8982a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 8992a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9002a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9012a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9022a21c730SFuxin Zhang help 9032a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9042a21c730SFuxin Zhang with many extensions. 9052a21c730SFuxin Zhang 9066e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9076e760c8dSRalf Baechle bool "MIPS32 Release 1" 9087cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 909f7062ddbSRalf Baechle select CPU_HAS_LLSC 9106e760c8dSRalf Baechle select CPU_HAS_PREFETCH 911797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 912ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9136e760c8dSRalf Baechle help 9145e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9151e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9161e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9171e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9181e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9191e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9201e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9211e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9221e5f1caaSRalf Baechle performance. 9231e5f1caaSRalf Baechle 9241e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9251e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9267cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 927f7062ddbSRalf Baechle select CPU_HAS_LLSC 9281e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 929797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 930ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9311e5f1caaSRalf Baechle help 9325e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9336e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9346e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9356e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9366e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9371da177e4SLinus Torvalds 9386e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9396e760c8dSRalf Baechle bool "MIPS64 Release 1" 9407cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 941f7062ddbSRalf Baechle select CPU_HAS_LLSC 942797798c1SRalf Baechle select CPU_HAS_PREFETCH 943ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 944ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 945ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9466e760c8dSRalf Baechle help 9476e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9486e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9496e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9506e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9516e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9521e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 9531e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 9541e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 9551e5f1caaSRalf Baechle performance. 9561e5f1caaSRalf Baechle 9571e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 9581e5f1caaSRalf Baechle bool "MIPS64 Release 2" 9597cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 960f7062ddbSRalf Baechle select CPU_HAS_LLSC 961797798c1SRalf Baechle select CPU_HAS_PREFETCH 9621e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 9631e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 964ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9651e5f1caaSRalf Baechle help 9661e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 9671e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9681e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9691e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9701e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9711da177e4SLinus Torvalds 9721da177e4SLinus Torvaldsconfig CPU_R3000 9731da177e4SLinus Torvalds bool "R3000" 9747cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 975f7062ddbSRalf Baechle select CPU_HAS_WB 976ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 977797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9781da177e4SLinus Torvalds help 9791da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 9801da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 9811da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 9821da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 9831da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 9841da177e4SLinus Torvalds try to recompile with R3000. 9851da177e4SLinus Torvalds 9861da177e4SLinus Torvaldsconfig CPU_TX39XX 9871da177e4SLinus Torvalds bool "R39XX" 9887cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 989ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 9901da177e4SLinus Torvalds 9911da177e4SLinus Torvaldsconfig CPU_VR41XX 9921da177e4SLinus Torvalds bool "R41xx" 9937cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 994ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 995ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 9961da177e4SLinus Torvalds help 9975e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 9981da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 9991da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10001da177e4SLinus Torvalds processor or vice versa. 10011da177e4SLinus Torvalds 10021da177e4SLinus Torvaldsconfig CPU_R4300 10031da177e4SLinus Torvalds bool "R4300" 10047cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1005f7062ddbSRalf Baechle select CPU_HAS_LLSC 1006ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1007ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10081da177e4SLinus Torvalds help 10091da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvaldsconfig CPU_R4X00 10121da177e4SLinus Torvalds bool "R4x00" 10137cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1014f7062ddbSRalf Baechle select CPU_HAS_LLSC 1015ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1016ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10171da177e4SLinus Torvalds help 10181da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10191da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvaldsconfig CPU_TX49XX 10221da177e4SLinus Torvalds bool "R49XX" 10237cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1024f7062ddbSRalf Baechle select CPU_HAS_LLSC 1025de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1026ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1027ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10281da177e4SLinus Torvalds 10291da177e4SLinus Torvaldsconfig CPU_R5000 10301da177e4SLinus Torvalds bool "R5000" 10317cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1032f7062ddbSRalf Baechle select CPU_HAS_LLSC 1033ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1034ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10351da177e4SLinus Torvalds help 10361da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10371da177e4SLinus Torvalds 10381da177e4SLinus Torvaldsconfig CPU_R5432 10391da177e4SLinus Torvalds bool "R5432" 10407cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1041f7062ddbSRalf Baechle select CPU_HAS_LLSC 10425e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10435e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10441da177e4SLinus Torvalds 10451da177e4SLinus Torvaldsconfig CPU_R6000 10461da177e4SLinus Torvalds bool "R6000" 1047ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1048f7062ddbSRalf Baechle select CPU_HAS_LLSC 10497cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1050ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10511da177e4SLinus Torvalds help 10521da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1053c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 10541da177e4SLinus Torvalds 10551da177e4SLinus Torvaldsconfig CPU_NEVADA 10561da177e4SLinus Torvalds bool "RM52xx" 10577cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1058f7062ddbSRalf Baechle select CPU_HAS_LLSC 1059ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1060ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10611da177e4SLinus Torvalds help 10621da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 10631da177e4SLinus Torvalds 10641da177e4SLinus Torvaldsconfig CPU_R8000 10651da177e4SLinus Torvalds bool "R8000" 1066ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 10677cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1068f7062ddbSRalf Baechle select CPU_HAS_LLSC 10695e83d430SRalf Baechle select CPU_HAS_PREFETCH 1070ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10711da177e4SLinus Torvalds help 10721da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 10731da177e4SLinus Torvalds uncommon and the support for them is incomplete. 10741da177e4SLinus Torvalds 10751da177e4SLinus Torvaldsconfig CPU_R10000 10761da177e4SLinus Torvalds bool "R10000" 10777cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1078f7062ddbSRalf Baechle select CPU_HAS_LLSC 10795e83d430SRalf Baechle select CPU_HAS_PREFETCH 1080ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1081ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1082797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10831da177e4SLinus Torvalds help 10841da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 10851da177e4SLinus Torvalds 10861da177e4SLinus Torvaldsconfig CPU_RM7000 10871da177e4SLinus Torvalds bool "RM7000" 10887cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1089f7062ddbSRalf Baechle select CPU_HAS_LLSC 10905e83d430SRalf Baechle select CPU_HAS_PREFETCH 1091ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1092ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1093797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvaldsconfig CPU_RM9000 10961da177e4SLinus Torvalds bool "RM9000" 10977cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1098f7062ddbSRalf Baechle select CPU_HAS_LLSC 10995e83d430SRalf Baechle select CPU_HAS_PREFETCH 1100ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1101ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1102797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11030004a9dfSRalf Baechle select WEAK_ORDERING 11041da177e4SLinus Torvalds 11051da177e4SLinus Torvaldsconfig CPU_SB1 11061da177e4SLinus Torvalds bool "SB1" 11077cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1108f7062ddbSRalf Baechle select CPU_HAS_LLSC 1109ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1110ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1111797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11120004a9dfSRalf Baechle select WEAK_ORDERING 11131da177e4SLinus Torvalds 11141da177e4SLinus Torvaldsendchoice 11151da177e4SLinus Torvalds 11162a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11172a21c730SFuxin Zhang bool 11182a21c730SFuxin Zhang 11197cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11207cf8053bSRalf Baechle bool 11217cf8053bSRalf Baechle 11227cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11237cf8053bSRalf Baechle bool 11247cf8053bSRalf Baechle 11257cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11267cf8053bSRalf Baechle bool 11277cf8053bSRalf Baechle 11287cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11297cf8053bSRalf Baechle bool 11307cf8053bSRalf Baechle 11317cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11327cf8053bSRalf Baechle bool 11337cf8053bSRalf Baechle 11347cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11357cf8053bSRalf Baechle bool 11367cf8053bSRalf Baechle 11377cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11387cf8053bSRalf Baechle bool 11397cf8053bSRalf Baechle 11407cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11417cf8053bSRalf Baechle bool 11427cf8053bSRalf Baechle 11437cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11447cf8053bSRalf Baechle bool 11457cf8053bSRalf Baechle 11467cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11477cf8053bSRalf Baechle bool 11487cf8053bSRalf Baechle 11497cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 11507cf8053bSRalf Baechle bool 11517cf8053bSRalf Baechle 11527cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 11537cf8053bSRalf Baechle bool 11547cf8053bSRalf Baechle 11557cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 11567cf8053bSRalf Baechle bool 11577cf8053bSRalf Baechle 11587cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 11597cf8053bSRalf Baechle bool 11607cf8053bSRalf Baechle 11617cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 11627cf8053bSRalf Baechle bool 11637cf8053bSRalf Baechle 11647cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 11657cf8053bSRalf Baechle bool 11667cf8053bSRalf Baechle 11677cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 11687cf8053bSRalf Baechle bool 11697cf8053bSRalf Baechle 11707cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 11717cf8053bSRalf Baechle bool 11727cf8053bSRalf Baechle 11737cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 11747cf8053bSRalf Baechle bool 11757cf8053bSRalf Baechle 117617099b11SRalf Baechle# 117717099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 117817099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 117917099b11SRalf Baechle# 11800004a9dfSRalf Baechleconfig WEAK_ORDERING 11810004a9dfSRalf Baechle bool 118217099b11SRalf Baechle 118317099b11SRalf Baechle# 118417099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 118517099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 118617099b11SRalf Baechle# 118717099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 118817099b11SRalf Baechle bool 11895e83d430SRalf Baechleendmenu 11905e83d430SRalf Baechle 11915e83d430SRalf Baechle# 11925e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 11935e83d430SRalf Baechle# 11945e83d430SRalf Baechleconfig CPU_MIPS32 11955e83d430SRalf Baechle bool 11965e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 11975e83d430SRalf Baechle 11985e83d430SRalf Baechleconfig CPU_MIPS64 11995e83d430SRalf Baechle bool 12005e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12015e83d430SRalf Baechle 12025e83d430SRalf Baechle# 1203c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12045e83d430SRalf Baechle# 12055e83d430SRalf Baechleconfig CPU_MIPSR1 12065e83d430SRalf Baechle bool 12075e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12085e83d430SRalf Baechle 12095e83d430SRalf Baechleconfig CPU_MIPSR2 12105e83d430SRalf Baechle bool 12115e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12125e83d430SRalf Baechle 12135e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12145e83d430SRalf Baechle bool 12155e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12165e83d430SRalf Baechle bool 12175e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12185e83d430SRalf Baechle bool 12195e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12205e83d430SRalf Baechle bool 12215e83d430SRalf Baechle 12225e83d430SRalf Baechlemenu "Kernel type" 12235e83d430SRalf Baechle 12245e83d430SRalf Baechlechoice 12255e83d430SRalf Baechle 12265e83d430SRalf Baechle prompt "Kernel code model" 12275e83d430SRalf Baechle help 12285e83d430SRalf Baechle You should only select this option if you have a workload that 12295e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12305e83d430SRalf Baechle large memory. You will only be presented a single option in this 12315e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12325e83d430SRalf Baechle 12335e83d430SRalf Baechleconfig 32BIT 12345e83d430SRalf Baechle bool "32-bit kernel" 12355e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12365e83d430SRalf Baechle select TRAD_SIGNALS 12375e83d430SRalf Baechle help 12385e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12395e83d430SRalf Baechleconfig 64BIT 12405e83d430SRalf Baechle bool "64-bit kernel" 12415e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12425e83d430SRalf Baechle help 12435e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12445e83d430SRalf Baechle 12455e83d430SRalf Baechleendchoice 12465e83d430SRalf Baechle 12471da177e4SLinus Torvaldschoice 12481da177e4SLinus Torvalds prompt "Kernel page size" 12491da177e4SLinus Torvalds default PAGE_SIZE_4KB 12501da177e4SLinus Torvalds 12511da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 12521da177e4SLinus Torvalds bool "4kB" 12531da177e4SLinus Torvalds help 12541da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 12551da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 12561da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 12571da177e4SLinus Torvalds recommended for low memory systems. 12581da177e4SLinus Torvalds 12591da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 12601da177e4SLinus Torvalds bool "8kB" 12611da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 12621da177e4SLinus Torvalds help 12631da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 12641da177e4SLinus Torvalds the price of higher memory consumption. This option is available 12651da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 12661da177e4SLinus Torvalds this option is still high experimental; there are also issues with 12671da177e4SLinus Torvalds compatibility of user applications. 12681da177e4SLinus Torvalds 12691da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 12701da177e4SLinus Torvalds bool "16kB" 1271714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 12721da177e4SLinus Torvalds help 12731da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 12741da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1275714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1276714bfad6SRalf Baechle Linux distribution to support this. 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 12791da177e4SLinus Torvalds bool "64kB" 12801da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 12811da177e4SLinus Torvalds help 12821da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 12831da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 12841da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1285714bfad6SRalf Baechle writing this option is still high experimental. 12861da177e4SLinus Torvalds 12871da177e4SLinus Torvaldsendchoice 12881da177e4SLinus Torvalds 12891da177e4SLinus Torvaldsconfig BOARD_SCACHE 12901da177e4SLinus Torvalds bool 12911da177e4SLinus Torvalds 12921da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 12931da177e4SLinus Torvalds bool 12941da177e4SLinus Torvalds select BOARD_SCACHE 12951da177e4SLinus Torvalds 12969318c51aSChris Dearman# 12979318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 12989318c51aSChris Dearman# 12999318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13009318c51aSChris Dearman bool 13019318c51aSChris Dearman select BOARD_SCACHE 13029318c51aSChris Dearman 13031da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13041da177e4SLinus Torvalds bool 13051da177e4SLinus Torvalds select BOARD_SCACHE 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13081da177e4SLinus Torvalds bool 13091da177e4SLinus Torvalds select BOARD_SCACHE 13101da177e4SLinus Torvalds 13111da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13121da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13131da177e4SLinus Torvalds depends on CPU_SB1 13141da177e4SLinus Torvalds help 13151da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13161da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13171da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13181da177e4SLinus Torvalds 13191da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1320c8094b53SRalf Baechle bool 13211da177e4SLinus Torvalds 1322340ee4b9SRalf Baechlechoice 1323340ee4b9SRalf Baechle prompt "MIPS MT options" 1324f41ae0b2SRalf Baechle 1325f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1326f41ae0b2SRalf Baechle bool "Disable multithreading support." 1327f41ae0b2SRalf Baechle help 1328f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1329f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1330f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1331f41ae0b2SRalf Baechle option in this menu. 1332340ee4b9SRalf Baechle 133359d6ab86SRalf Baechleconfig MIPS_MT_SMP 133459d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 133559d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 133659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1337d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 133859d6ab86SRalf Baechle select CPU_MIPSR2_SRS 133959d6ab86SRalf Baechle select MIPS_MT 1340f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 134159d6ab86SRalf Baechle select SMP 134259d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 134359d6ab86SRalf Baechle help 134459d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 134559d6ab86SRalf Baechle has been marketesed into SMVP. 134659d6ab86SRalf Baechle 134741c594abSRalf Baechleconfig MIPS_MT_SMTC 134841c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1349f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1350f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1351f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1352f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1353d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1354f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1355f41ae0b2SRalf Baechle select MIPS_MT 1356130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 135741c594abSRalf Baechle select SMP 135873b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1359f41ae0b2SRalf Baechle help 1360f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1361f41ae0b2SRalf Baechle marketesed into SMVP. 136241c594abSRalf Baechle 1363340ee4b9SRalf Baechleendchoice 1364340ee4b9SRalf Baechle 1365f41ae0b2SRalf Baechleconfig MIPS_MT 1366f41ae0b2SRalf Baechle bool 1367f41ae0b2SRalf Baechle 1368f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1369f41ae0b2SRalf Baechle bool 1370f41ae0b2SRalf Baechle 1371f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1372f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1373f088fc84SRalf Baechle default y 137407cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 137507cc0c9eSRalf Baechle 137607cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 137707cc0c9eSRalf Baechle bool "VPE loader support." 137807cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 137907cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 138007cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 138107cc0c9eSRalf Baechle select CPU_MIPSR2_SRS 138207cc0c9eSRalf Baechle select MIPS_MT 138307cc0c9eSRalf Baechle help 138407cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 138507cc0c9eSRalf Baechle onto another VPE and running it. 1386f088fc84SRalf Baechle 1387ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1388ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1389619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1390ac8be955SRalf Baechle default y 1391ac8be955SRalf Baechle help 1392ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1393ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1394ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1395ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1396ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1397ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1398ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1399ac8be955SRalf Baechle heavy I/O interrupt load. 1400ac8be955SRalf Baechle 14010db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14020db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14030db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14040db34215SKevin D. Kissell default y 14050db34215SKevin D. Kissell help 14060db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14070db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14080db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14090db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14100db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14110db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14120db34215SKevin D. Kissell what you are doing. 14130db34215SKevin D. Kissell 1414f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1415f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1416f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1417f571eff0SKevin D. Kissell default n 1418f571eff0SKevin D. Kissell help 1419f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1420f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1421f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1422f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1423f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1424f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1425f571eff0SKevin D. Kissell you are doing. 1426f571eff0SKevin D. Kissell 1427e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1428e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1429e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1430e01402b1SRalf Baechle default y 1431e01402b1SRalf Baechle help 1432e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1433e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1434e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1435e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1436e01402b1SRalf Baechle 1437e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1438e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1439e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1440e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14415e83d430SRalf Baechle help 1442e01402b1SRalf Baechle 14432600990eSRalf Baechleconfig MIPS_APSP_KSPD 14442600990eSRalf Baechle bool "Enable KSPD" 14452600990eSRalf Baechle depends on MIPS_VPE_APSP_API 14462600990eSRalf Baechle default y 14472600990eSRalf Baechle help 14482600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 14492600990eSRalf Baechle side, actions them and returns the results. It also handles the 14502600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 14512600990eSRalf Baechle exiting. You probably want to say yes here. 14522600990eSRalf Baechle 14531da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 14541da177e4SLinus Torvalds bool 14551da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 14561da177e4SLinus Torvalds default y 14571da177e4SLinus Torvalds 14581da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 14591da177e4SLinus Torvalds bool 14601da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 14611da177e4SLinus Torvalds default y 14621da177e4SLinus Torvalds 14631da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 14641da177e4SLinus Torvalds bool 14651da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 14661da177e4SLinus Torvalds default y 14671da177e4SLinus Torvalds 14681da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1469d806cb2bSRalf Baechle bool 14701da177e4SLinus Torvalds 14711da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1472f7062ddbSRalf Baechle bool 14731da177e4SLinus Torvalds 14749693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 14759693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 14769693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 14779693a853SFranck Bui-Huu help 14789693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 14799693a853SFranck Bui-Huu increased security at both hardware and software level for 14809693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 14819693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 14829693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 14839693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 14849693a853SFranck Bui-Huu here. 14859693a853SFranck Bui-Huu 14861da177e4SLinus Torvaldsconfig CPU_HAS_WB 1487f7062ddbSRalf Baechle bool 1488e01402b1SRalf Baechle 14892a21c730SFuxin Zhangconfig 64BIT_CONTEXT 14902a21c730SFuxin Zhang bool "Save 64bit integer registers" 14912a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 14922a21c730SFuxin Zhang help 14932a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 14942a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 14952a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 14962a21c730SFuxin Zhang those instructions to get correct result. 14972a21c730SFuxin Zhang 1498f41ae0b2SRalf Baechle# 1499f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1500f41ae0b2SRalf Baechle# 1501e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1502f41ae0b2SRalf Baechle bool 1503e01402b1SRalf Baechle 1504f41ae0b2SRalf Baechle# 1505f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1506f41ae0b2SRalf Baechle# 1507e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1508f41ae0b2SRalf Baechle bool 1509e01402b1SRalf Baechle 1510f41ae0b2SRalf Baechle# 1511f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1512f41ae0b2SRalf Baechle# 1513e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1514f41ae0b2SRalf Baechle bool 1515e01402b1SRalf Baechle 15161da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15171da177e4SLinus Torvalds bool 15181da177e4SLinus Torvalds depends on !CPU_R3000 15191da177e4SLinus Torvalds default y 15201da177e4SLinus Torvalds 15211da177e4SLinus Torvalds# 1522797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1523797798c1SRalf Baechle# 1524797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1525797798c1SRalf Baechle bool 1526797798c1SRalf Baechle default y 1527797798c1SRalf Baechle 1528797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1529797798c1SRalf Baechle bool 1530797798c1SRalf Baechle default y 1531797798c1SRalf Baechle 15320d7012a9SIngo Molnarconfig IRQ_PER_CPU 15330d7012a9SIngo Molnar bool 15340d7012a9SIngo Molnar 1535797798c1SRalf Baechle# 15361da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15371da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15381da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15391da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15401da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15411da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15421da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15431da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1544797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1545797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1546797798c1SRalf Baechle# support. 15471da177e4SLinus Torvalds# 15481da177e4SLinus Torvaldsconfig HIGHMEM 15491da177e4SLinus Torvalds bool "High Memory Support" 1550797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1551797798c1SRalf Baechle 1552797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1553797798c1SRalf Baechle bool 1554797798c1SRalf Baechle 1555797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1556797798c1SRalf Baechle bool 15571da177e4SLinus Torvalds 15589693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 15599693a853SFranck Bui-Huu bool 15609693a853SFranck Bui-Huu 1561b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1562b4819b59SYoichi Yuasa def_bool y 1563b4819b59SYoichi Yuasa depends on !NUMA 1564b4819b59SYoichi Yuasa 1565d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1566d8cb4e11SRalf Baechle bool 1567d8cb4e11SRalf Baechle default y if SGI_IP27 1568d8cb4e11SRalf Baechle help 15693dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1570d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1571d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1572d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1573d8cb4e11SRalf Baechle 1574b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1575b1c6cd42SAtsushi Nemoto bool 15767de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 157731473747SAtsushi Nemoto 1578d8cb4e11SRalf Baechleconfig NUMA 1579d8cb4e11SRalf Baechle bool "NUMA Support" 1580d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1581d8cb4e11SRalf Baechle help 1582d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1583d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1584d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1585d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1586d8cb4e11SRalf Baechle disabled. 1587d8cb4e11SRalf Baechle 1588d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1589d8cb4e11SRalf Baechle bool 1590d8cb4e11SRalf Baechle 1591c80d79d7SYasunori Gotoconfig NODES_SHIFT 1592c80d79d7SYasunori Goto int 1593c80d79d7SYasunori Goto default "6" 1594c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1595c80d79d7SYasunori Goto 1596b4819b59SYoichi Yuasasource "mm/Kconfig" 1597b4819b59SYoichi Yuasa 15981da177e4SLinus Torvaldsconfig SMP 15991da177e4SLinus Torvalds bool "Multi-Processing support" 1600e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1601b4b30a5aSRalf Baechle select IRQ_PER_CPU 1602e73ea273SRalf Baechle help 16031da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16041da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16051da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16081da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16091da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16101da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16111da177e4SLinus Torvalds will run faster if you say N here. 16121da177e4SLinus Torvalds 16131da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16141da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16151da177e4SLinus Torvalds 16161da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16171da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16181da177e4SLinus Torvalds 16191da177e4SLinus Torvalds If you don't know what to do here, say N. 16201da177e4SLinus Torvalds 1621e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1622e73ea273SRalf Baechle bool 1623e73ea273SRalf Baechle 162472ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 162572ede9b1SAtsushi Nemoto bool 162672ede9b1SAtsushi Nemoto 1627130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1628130e2fb7SRalf Baechle bool 1629130e2fb7SRalf Baechle 1630130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1631130e2fb7SRalf Baechle bool 1632130e2fb7SRalf Baechle 1633130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1634130e2fb7SRalf Baechle bool 1635130e2fb7SRalf Baechle 1636130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1637130e2fb7SRalf Baechle bool 1638130e2fb7SRalf Baechle 1639130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1640130e2fb7SRalf Baechle bool 1641130e2fb7SRalf Baechle 1642130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1643130e2fb7SRalf Baechle bool 1644130e2fb7SRalf Baechle 16451da177e4SLinus Torvaldsconfig NR_CPUS 16461da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 164772ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 16481da177e4SLinus Torvalds depends on SMP 164972ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1650130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1651130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1652130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1653130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1654130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1655130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 16561da177e4SLinus Torvalds help 16571da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 16581da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 16591da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 166072ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 166172ede9b1SAtsushi Nemoto and 2 for all others. 16621da177e4SLinus Torvalds 16631da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 166472ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 166572ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 166672ede9b1SAtsushi Nemoto power of two. 16671da177e4SLinus Torvalds 16681723b4a3SAtsushi Nemoto# 16691723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 16701723b4a3SAtsushi Nemoto# 16711723b4a3SAtsushi Nemoto 16721723b4a3SAtsushi Nemotochoice 16731723b4a3SAtsushi Nemoto prompt "Timer frequency" 16741723b4a3SAtsushi Nemoto default HZ_250 16751723b4a3SAtsushi Nemoto help 16761723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 16771723b4a3SAtsushi Nemoto 16781723b4a3SAtsushi Nemoto config HZ_48 16791723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 16801723b4a3SAtsushi Nemoto 16811723b4a3SAtsushi Nemoto config HZ_100 16821723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 16831723b4a3SAtsushi Nemoto 16841723b4a3SAtsushi Nemoto config HZ_128 16851723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 16861723b4a3SAtsushi Nemoto 16871723b4a3SAtsushi Nemoto config HZ_250 16881723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 16891723b4a3SAtsushi Nemoto 16901723b4a3SAtsushi Nemoto config HZ_256 16911723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 16921723b4a3SAtsushi Nemoto 16931723b4a3SAtsushi Nemoto config HZ_1000 16941723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 16951723b4a3SAtsushi Nemoto 16961723b4a3SAtsushi Nemoto config HZ_1024 16971723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 16981723b4a3SAtsushi Nemoto 16991723b4a3SAtsushi Nemotoendchoice 17001723b4a3SAtsushi Nemoto 17011723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17021723b4a3SAtsushi Nemoto bool 17031723b4a3SAtsushi Nemoto 17041723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17051723b4a3SAtsushi Nemoto bool 17061723b4a3SAtsushi Nemoto 17071723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17081723b4a3SAtsushi Nemoto bool 17091723b4a3SAtsushi Nemoto 17101723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17111723b4a3SAtsushi Nemoto bool 17121723b4a3SAtsushi Nemoto 17131723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17141723b4a3SAtsushi Nemoto bool 17151723b4a3SAtsushi Nemoto 17161723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17171723b4a3SAtsushi Nemoto bool 17181723b4a3SAtsushi Nemoto 17191723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17201723b4a3SAtsushi Nemoto bool 17211723b4a3SAtsushi Nemoto 17221723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17231723b4a3SAtsushi Nemoto bool 17241723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17251723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 17261723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 17271723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 17281723b4a3SAtsushi Nemoto 17291723b4a3SAtsushi Nemotoconfig HZ 17301723b4a3SAtsushi Nemoto int 17311723b4a3SAtsushi Nemoto default 48 if HZ_48 17321723b4a3SAtsushi Nemoto default 100 if HZ_100 17331723b4a3SAtsushi Nemoto default 128 if HZ_128 17341723b4a3SAtsushi Nemoto default 250 if HZ_250 17351723b4a3SAtsushi Nemoto default 256 if HZ_256 17361723b4a3SAtsushi Nemoto default 1000 if HZ_1000 17371723b4a3SAtsushi Nemoto default 1024 if HZ_1024 17381723b4a3SAtsushi Nemoto 1739e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 17401da177e4SLinus Torvalds 17411da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 17421da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1743875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 17441da177e4SLinus Torvalds help 17451da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 17461da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 17471da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 17481da177e4SLinus Torvalds This will result in additional memory usage, so it is not 17491da177e4SLinus Torvalds recommended for normal users. 17501da177e4SLinus Torvalds 1751ea6e942bSAtsushi Nemotoconfig KEXEC 1752ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1753ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1754ea6e942bSAtsushi Nemoto help 1755ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1756ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 17573dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1758ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1759ea6e942bSAtsushi Nemoto 1760ea6e942bSAtsushi Nemoto The name comes from the similiarity to the exec system call. 1761ea6e942bSAtsushi Nemoto 1762ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1763ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1764ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1765ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1766ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1767ea6e942bSAtsushi Nemoto 1768ea6e942bSAtsushi Nemotoconfig SECCOMP 1769ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1770293c5bd1SRalf Baechle depends on PROC_FS 1771ea6e942bSAtsushi Nemoto default y 1772ea6e942bSAtsushi Nemoto help 1773ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1774ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1775ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1776ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1777ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1778ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1779ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1780ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1781ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1782ea6e942bSAtsushi Nemoto 1783ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1784ea6e942bSAtsushi Nemoto 17855e83d430SRalf Baechleendmenu 17865e83d430SRalf Baechle 17871da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 17881da177e4SLinus Torvalds bool 17891da177e4SLinus Torvalds default y 17901da177e4SLinus Torvalds 17911df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 17921df0f0ffSAtsushi Nemoto bool 17931df0f0ffSAtsushi Nemoto default y 17941df0f0ffSAtsushi Nemoto 17951df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 17961df0f0ffSAtsushi Nemoto bool 17971df0f0ffSAtsushi Nemoto default y 17981df0f0ffSAtsushi Nemoto 1799b6c3539bSRalf Baechlesource "init/Kconfig" 1800b6c3539bSRalf Baechle 18011da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18021da177e4SLinus Torvalds 18035e83d430SRalf Baechleconfig HW_HAS_EISA 18045e83d430SRalf Baechle bool 18051da177e4SLinus Torvaldsconfig HW_HAS_PCI 18061da177e4SLinus Torvalds bool 18071da177e4SLinus Torvalds 18081da177e4SLinus Torvaldsconfig PCI 18091da177e4SLinus Torvalds bool "Support for PCI controller" 18101da177e4SLinus Torvalds depends on HW_HAS_PCI 18111da177e4SLinus Torvalds help 18121da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18131da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18141da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18151da177e4SLinus Torvalds say Y, otherwise N. 18161da177e4SLinus Torvalds 18171da177e4SLinus Torvalds The PCI-HOWTO, available from 18181da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18191da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18201da177e4SLinus Torvalds doesn't. 18211da177e4SLinus Torvalds 18221da177e4SLinus Torvaldsconfig PCI_DOMAINS 18231da177e4SLinus Torvalds bool 18241da177e4SLinus Torvalds depends on PCI 18251da177e4SLinus Torvalds 18261da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18271da177e4SLinus Torvalds 18281da177e4SLinus Torvalds# 18291da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18301da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 18311da177e4SLinus Torvalds# users to choose the right thing ... 18321da177e4SLinus Torvalds# 18331da177e4SLinus Torvaldsconfig ISA 18341da177e4SLinus Torvalds bool 18351da177e4SLinus Torvalds 18361da177e4SLinus Torvaldsconfig EISA 18371da177e4SLinus Torvalds bool "EISA support" 18385e83d430SRalf Baechle depends on HW_HAS_EISA 18391da177e4SLinus Torvalds select ISA 1840aa414dffSRalf Baechle select GENERIC_ISA_DMA 18411da177e4SLinus Torvalds ---help--- 18421da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 18431da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 18441da177e4SLinus Torvalds 18451da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 18461da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 18471da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 18481da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 18491da177e4SLinus Torvalds 18501da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 18511da177e4SLinus Torvalds 18521da177e4SLinus Torvalds Otherwise, say N. 18531da177e4SLinus Torvalds 18541da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 18551da177e4SLinus Torvalds 18561da177e4SLinus Torvaldsconfig TC 18571da177e4SLinus Torvalds bool "TURBOchannel support" 18581da177e4SLinus Torvalds depends on MACH_DECSTATION 18591da177e4SLinus Torvalds help 18601da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 18611da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 18621da177e4SLinus Torvalds is available at: 18631da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 18641da177e4SLinus Torvalds 18651da177e4SLinus Torvalds#config ACCESSBUS 18661da177e4SLinus Torvalds# bool "Access.Bus support" 18671da177e4SLinus Torvalds# depends on TC 18681da177e4SLinus Torvalds 18691da177e4SLinus Torvaldsconfig MMU 18701da177e4SLinus Torvalds bool 18711da177e4SLinus Torvalds default y 18721da177e4SLinus Torvalds 1873de61b542SRalf Baechleconfig PCSPEAKER 1874e5c6c8e4SMichael Neuling bool 1875e5c6c8e4SMichael Neuling 18761da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 18771da177e4SLinus Torvalds 18781da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 18791da177e4SLinus Torvalds 18801da177e4SLinus Torvaldsendmenu 18811da177e4SLinus Torvalds 18821da177e4SLinus Torvaldsmenu "Executable file formats" 18831da177e4SLinus Torvalds 18841da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 18851da177e4SLinus Torvalds 18861da177e4SLinus Torvaldsconfig TRAD_SIGNALS 18871da177e4SLinus Torvalds bool 18881da177e4SLinus Torvalds 18891da177e4SLinus Torvaldsconfig BINFMT_IRIX 18901da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 18915e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 18921da177e4SLinus Torvalds 18931da177e4SLinus Torvaldsconfig MIPS32_COMPAT 18941da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1895875d43e7SRalf Baechle depends on 64BIT 18961da177e4SLinus Torvalds help 18971da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 18981da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 18991da177e4SLinus Torvalds currently 32-bit you should say Y here. 19001da177e4SLinus Torvalds 19011da177e4SLinus Torvaldsconfig COMPAT 19021da177e4SLinus Torvalds bool 19031da177e4SLinus Torvalds depends on MIPS32_COMPAT 19041da177e4SLinus Torvalds default y 19051da177e4SLinus Torvalds 190605e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 190705e43966SAtsushi Nemoto bool 190805e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 190905e43966SAtsushi Nemoto default y 191005e43966SAtsushi Nemoto 19111da177e4SLinus Torvaldsconfig MIPS32_O32 19121da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19131da177e4SLinus Torvalds depends on MIPS32_COMPAT 19141da177e4SLinus Torvalds help 19151da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19161da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19171da177e4SLinus Torvalds existing binaries are in this format. 19181da177e4SLinus Torvalds 19191da177e4SLinus Torvalds If unsure, say Y. 19201da177e4SLinus Torvalds 19211da177e4SLinus Torvaldsconfig MIPS32_N32 19221da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19231da177e4SLinus Torvalds depends on MIPS32_COMPAT 19241da177e4SLinus Torvalds help 19251da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19261da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19271da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19281da177e4SLinus Torvalds cases. 19291da177e4SLinus Torvalds 19301da177e4SLinus Torvalds If unsure, say N. 19311da177e4SLinus Torvalds 19321da177e4SLinus Torvaldsconfig BINFMT_ELF32 19331da177e4SLinus Torvalds bool 19341da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 19351da177e4SLinus Torvalds 19362116245eSRalf Baechleendmenu 19371da177e4SLinus Torvalds 19382116245eSRalf Baechlemenu "Power management options" 1939952fa954SRodolfo Giometti 19402116245eSRalf Baechlesource "kernel/power/Kconfig" 1941952fa954SRodolfo Giometti 19421da177e4SLinus Torvaldsendmenu 19431da177e4SLinus Torvalds 1944d5950b43SSam Ravnborgsource "net/Kconfig" 1945d5950b43SSam Ravnborg 19461da177e4SLinus Torvaldssource "drivers/Kconfig" 19471da177e4SLinus Torvalds 19481da177e4SLinus Torvaldssource "fs/Kconfig" 19491da177e4SLinus Torvalds 19505e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig" 19515e83d430SRalf Baechle 19521da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 19531da177e4SLinus Torvalds 19541da177e4SLinus Torvaldssource "security/Kconfig" 19551da177e4SLinus Torvalds 19561da177e4SLinus Torvaldssource "crypto/Kconfig" 19571da177e4SLinus Torvalds 19581da177e4SLinus Torvaldssource "lib/Kconfig" 1959