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 471c0c13ebSAurelien Jarnoconfig BCM47XX 481c0c13ebSAurelien Jarno bool "BCM47XX based boards" 491c0c13ebSAurelien Jarno select DMA_NONCOHERENT 501c0c13ebSAurelien Jarno select HW_HAS_PCI 511c0c13ebSAurelien Jarno select IRQ_CPU 521c0c13ebSAurelien Jarno select SYS_HAS_CPU_MIPS32_R1 531c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 541c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 551c0c13ebSAurelien Jarno select SSB 561c0c13ebSAurelien Jarno select SSB_DRIVER_MIPS 571c0c13ebSAurelien Jarno select GENERIC_GPIO 58*25e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 59*25e5fb97SAurelien Jarno select CFE 601c0c13ebSAurelien Jarno help 611c0c13ebSAurelien Jarno Support for BCM47XX based boards 621c0c13ebSAurelien Jarno 631da177e4SLinus Torvaldsconfig MIPS_COBALT 643fa986faSMartin Michlmayr bool "Cobalt Server" 651da177e4SLinus Torvalds select DMA_NONCOHERENT 661da177e4SLinus Torvalds select HW_HAS_PCI 671da177e4SLinus Torvalds select I8259 681da177e4SLinus Torvalds select IRQ_CPU 69d5ab1a69SYoichi Yuasa select IRQ_GT641XX 70252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 717cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 720a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 73ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 74ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 755e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 769fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 771da177e4SLinus Torvalds 781da177e4SLinus Torvaldsconfig MACH_DECSTATION 793fa986faSMartin Michlmayr bool "DECstations" 801da177e4SLinus Torvalds select BOOT_ELF32 811da177e4SLinus Torvalds select DMA_NONCOHERENT 82d388d685SMaciej W. Rozycki select NO_IOPORT 831da177e4SLinus Torvalds select IRQ_CPU 847cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 857cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 86ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 87ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 885e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 891723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 901723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 911723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 925e83d430SRalf Baechle help 931da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 941da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 951da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 981da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 991da177e4SLinus Torvalds 1001da177e4SLinus Torvalds DECstation 5000/50 1011da177e4SLinus Torvalds DECstation 5000/150 1021da177e4SLinus Torvalds DECstation 5000/260 1031da177e4SLinus Torvalds DECsystem 5900/260 1041da177e4SLinus Torvalds 1051da177e4SLinus Torvalds otherwise choose R3000. 1061da177e4SLinus Torvalds 1075e83d430SRalf Baechleconfig MACH_JAZZ 1083fa986faSMartin Michlmayr bool "Jazz family of machines" 1095e83d430SRalf Baechle select ARC 1105e83d430SRalf Baechle select ARC32 1115e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1125e83d430SRalf Baechle select GENERIC_ISA_DMA 113ea202c63SThomas Bogendoerfer select IRQ_CPU 1145e83d430SRalf Baechle select I8259 1155e83d430SRalf Baechle select ISA 116de61b542SRalf Baechle select PCSPEAKER 1177cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 1185e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1195e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1201723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 1219fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 1221da177e4SLinus Torvalds help 1235e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 1245e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 1255e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 1265e83d430SRalf Baechle Olivetti M700-10 workstations. 1275e83d430SRalf Baechle 1281f21d2bdSBrian Murphyconfig LASAT 1291f21d2bdSBrian Murphy bool "LASAT Networks platforms" 1301f21d2bdSBrian Murphy select DMA_NONCOHERENT 1311f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 1321f21d2bdSBrian Murphy select HW_HAS_PCI 1331f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 1341f21d2bdSBrian Murphy select MIPS_NILE4 1351f21d2bdSBrian Murphy select R5000_CPU_SCACHE 1361f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 1371f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 1381f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 1391f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 1401f21d2bdSBrian Murphy select GENERIC_HARDIRQS_NO__DO_IRQ 1411f21d2bdSBrian Murphy 142ade299d8SYoichi Yuasaconfig LEMOTE_FULONG 143ade299d8SYoichi Yuasa bool "Lemote Fulong mini-PC" 144ade299d8SYoichi Yuasa select ARCH_SPARSEMEM_ENABLE 145ade299d8SYoichi Yuasa select SYS_HAS_CPU_LOONGSON2 146ade299d8SYoichi Yuasa select DMA_NONCOHERENT 147ade299d8SYoichi Yuasa select BOOT_ELF32 148ade299d8SYoichi Yuasa select BOARD_SCACHE 149ade299d8SYoichi Yuasa select HAVE_STD_PC_SERIAL_PORT 150ade299d8SYoichi Yuasa select HW_HAS_PCI 151ade299d8SYoichi Yuasa select I8259 152ade299d8SYoichi Yuasa select ISA 153ade299d8SYoichi Yuasa select IRQ_CPU 154ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 155ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 156ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 157ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 158ade299d8SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 159ade299d8SYoichi Yuasa select GENERIC_HARDIRQS_NO__DO_IRQ 16023dd6d35SRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 161ade299d8SYoichi Yuasa select CPU_HAS_WB 162ade299d8SYoichi Yuasa help 163ade299d8SYoichi Yuasa Lemote Fulong mini-PC board based on the Chinese Loongson-2E CPU and 164ade299d8SYoichi Yuasa an FPGA northbridge 165ade299d8SYoichi Yuasa 1661da177e4SLinus Torvaldsconfig MIPS_ATLAS 1673fa986faSMartin Michlmayr bool "MIPS Atlas board" 1681da177e4SLinus Torvalds select BOOT_ELF32 1691da177e4SLinus Torvalds select DMA_NONCOHERENT 17036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 1715e83d430SRalf Baechle select IRQ_CPU 1721da177e4SLinus Torvalds select HW_HAS_PCI 1735e83d430SRalf Baechle select MIPS_BOARDS_GEN 1745e83d430SRalf Baechle select MIPS_BONITO64 175252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 1765e83d430SRalf Baechle select MIPS_MSC 177f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 1781da177e4SLinus Torvalds select SWAP_IO_SPACE 1797cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1807cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 1817cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 1827cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 1837cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 184ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 185ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1865e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1875e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 188f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING if EXPERIMENTAL 1899693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 190e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 1911da177e4SLinus Torvalds help 192f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 1931da177e4SLinus Torvalds board. 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvaldsconfig MIPS_MALTA 1963fa986faSMartin Michlmayr bool "MIPS Malta board" 19761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 1981da177e4SLinus Torvalds select BOOT_ELF32 1991da177e4SLinus Torvalds select DMA_NONCOHERENT 2001da177e4SLinus Torvalds select GENERIC_ISA_DMA 201aa414dffSRalf Baechle select IRQ_CPU 2021da177e4SLinus Torvalds select HW_HAS_PCI 2031da177e4SLinus Torvalds select I8259 2045e83d430SRalf Baechle select MIPS_BOARDS_GEN 2055e83d430SRalf Baechle select MIPS_BONITO64 2069318c51aSChris Dearman select MIPS_CPU_SCACHE 207252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 2085e83d430SRalf Baechle select MIPS_MSC 2091da177e4SLinus Torvalds select SWAP_IO_SPACE 2107cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2117cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2127cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 2137cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2147cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 21536a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 216ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 217ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2185e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2195e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 220f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 2219693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 2221da177e4SLinus Torvalds help 223f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 2241da177e4SLinus Torvalds board. 2251da177e4SLinus Torvalds 2261da177e4SLinus Torvaldsconfig MIPS_SEAD 227d98cc84dSRalf Baechle bool "MIPS SEAD board" 2281da177e4SLinus Torvalds select IRQ_CPU 2291da177e4SLinus Torvalds select DMA_NONCOHERENT 23036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 2315e83d430SRalf Baechle select MIPS_BOARDS_GEN 2327cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2337cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 2347cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 235ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2365e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2375e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2385e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2399693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 240f638d197SMaciej W. Rozycki help 241f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 242f638d197SMaciej W. Rozycki board. 2431da177e4SLinus Torvalds 244c78cbf49SRalf Baechleconfig MIPS_SIM 2453fa986faSMartin Michlmayr bool 'MIPS simulator (MIPSsim)' 246c78cbf49SRalf Baechle select DMA_NONCOHERENT 24736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 248c78cbf49SRalf Baechle select IRQ_CPU 2499267a30dSMarc St-Jean select BOOT_RAW 2507cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 2517cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 25236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 253c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 254c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 255f6e2373aSRalf Baechle select SYS_SUPPORTS_MULTITHREADING 256c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 257c78cbf49SRalf Baechle help 258c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 259c78cbf49SRalf Baechle emulator. 260c78cbf49SRalf Baechle 261ade299d8SYoichi Yuasaconfig MARKEINS 262ade299d8SYoichi Yuasa bool "NEC EMMA2RH Mark-eins" 263ade299d8SYoichi Yuasa select DMA_NONCOHERENT 264ade299d8SYoichi Yuasa select HW_HAS_PCI 265ade299d8SYoichi Yuasa select IRQ_CPU 266ade299d8SYoichi Yuasa select SWAP_IO_SPACE 267ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 268ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 269ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 270ade299d8SYoichi Yuasa select SYS_HAS_CPU_R5000 271ade299d8SYoichi Yuasa help 272ade299d8SYoichi Yuasa This enables support for the R5432-based NEC Mark-eins 273ade299d8SYoichi Yuasa boards with R5500 CPU. 274ade299d8SYoichi Yuasa 2755e83d430SRalf Baechleconfig MACH_VR41XX 27674142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 2777cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 2789fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 2795e83d430SRalf Baechle 280ade299d8SYoichi Yuasaconfig PNX8550_JBS 281ade299d8SYoichi Yuasa bool "Philips PNX8550 based JBS board" 282ade299d8SYoichi Yuasa select PNX8550 283ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 284ade299d8SYoichi Yuasa 285ade299d8SYoichi Yuasaconfig PNX8550_STB810 286ade299d8SYoichi Yuasa bool "Philips PNX8550 based STB810 board" 287ade299d8SYoichi Yuasa select PNX8550 288ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 289ade299d8SYoichi Yuasa 2909267a30dSMarc St-Jeanconfig PMC_MSP 2919267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 2929267a30dSMarc St-Jean depends on EXPERIMENTAL 2939267a30dSMarc St-Jean select DMA_NONCOHERENT 2949267a30dSMarc St-Jean select SWAP_IO_SPACE 2959267a30dSMarc St-Jean select NO_EXCEPT_FILL 2969267a30dSMarc St-Jean select BOOT_RAW 2979267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 2989267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 2999267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 3009267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 3019267a30dSMarc St-Jean select SYS_SUPPORTS_KGDB 3029267a30dSMarc St-Jean select IRQ_CPU 3039267a30dSMarc St-Jean select SERIAL_8250 3049267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 3059267a30dSMarc St-Jean help 3069267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 3079267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 3089267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 3099267a30dSMarc St-Jean a variety of MIPS cores. 3109267a30dSMarc St-Jean 3115e83d430SRalf Baechleconfig PMC_YOSEMITE 3123fa986faSMartin Michlmayr bool "PMC-Sierra Yosemite eval board" 3135e83d430SRalf Baechle select DMA_COHERENT 3145e83d430SRalf Baechle select HW_HAS_PCI 3155e83d430SRalf Baechle select IRQ_CPU 3165e83d430SRalf Baechle select IRQ_CPU_RM7K 3175e83d430SRalf Baechle select IRQ_CPU_RM9K 3185e83d430SRalf Baechle select SWAP_IO_SPACE 3197cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 32036a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3215e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3225e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3245e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 325cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 326e73ea273SRalf Baechle select SYS_SUPPORTS_SMP 3275e83d430SRalf Baechle help 3285e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 3295e83d430SRalf Baechle manufactured by PMC-Sierra. 3301da177e4SLinus Torvalds 33107119621SRalf Baechleconfig QEMU 3323fa986faSMartin Michlmayr bool "Qemu" 33307119621SRalf Baechle select DMA_COHERENT 33407119621SRalf Baechle select GENERIC_ISA_DMA 33507119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 33607119621SRalf Baechle select I8259 33707119621SRalf Baechle select ISA 338de61b542SRalf Baechle select PCSPEAKER 33907119621SRalf Baechle select SWAP_IO_SPACE 3407cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 34107119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 34207119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 343c8cc9618SAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 344b1c6cd42SAtsushi Nemoto select ARCH_SPARSEMEM_ENABLE 3459fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 34672ede9b1SAtsushi Nemoto select NR_CPUS_DEFAULT_1 34772ede9b1SAtsushi Nemoto select SYS_SUPPORTS_SMP 34807119621SRalf Baechle help 34907119621SRalf Baechle Qemu is a software emulator which among other architectures also 35007119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 35107119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 35207119621SRalf Baechle will eventually be removed again when Qemu has the capability to 35307119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 35407119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 35507119621SRalf Baechle 3561da177e4SLinus Torvaldsconfig SGI_IP22 3573fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 3581da177e4SLinus Torvalds select ARC 3591da177e4SLinus Torvalds select ARC32 3601da177e4SLinus Torvalds select BOOT_ELF32 3611da177e4SLinus Torvalds select DMA_NONCOHERENT 3625e83d430SRalf Baechle select HW_HAS_EISA 3631da177e4SLinus Torvalds select IP22_CPU_SCACHE 3641da177e4SLinus Torvalds select IRQ_CPU 365aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 3661da177e4SLinus Torvalds select SWAP_IO_SPACE 3677cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 3687cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 36936a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 370ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 371ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3725e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3731da177e4SLinus Torvalds help 3741da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 3751da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 3761da177e4SLinus Torvalds that runs on these, say Y here. 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvaldsconfig SGI_IP27 3793fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 3801da177e4SLinus Torvalds select ARC 3811da177e4SLinus Torvalds select ARC64 3825e83d430SRalf Baechle select BOOT_ELF64 3831da177e4SLinus Torvalds select DMA_IP27 38436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 3851da177e4SLinus Torvalds select HW_HAS_PCI 386130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 3877cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 388ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3895e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 390cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 391d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 3921a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 393e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 3941da177e4SLinus Torvalds help 3951da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 3961da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 3971da177e4SLinus Torvalds here. 3981da177e4SLinus Torvalds 3991da177e4SLinus Torvaldsconfig SGI_IP32 400cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 4011da177e4SLinus Torvalds select ARC 4021da177e4SLinus Torvalds select ARC32 4031da177e4SLinus Torvalds select BOOT_ELF32 4041da177e4SLinus Torvalds select DMA_NONCOHERENT 4051da177e4SLinus Torvalds select HW_HAS_PCI 4061da177e4SLinus Torvalds select R5000_CPU_SCACHE 4071da177e4SLinus Torvalds select RM7000_CPU_SCACHE 4087cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 4097cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 4107cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 411dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 412ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4135e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4141da177e4SLinus Torvalds help 4151da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 4161da177e4SLinus Torvalds 417ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 418ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 4195e83d430SRalf Baechle depends on EXPERIMENTAL 4205e83d430SRalf Baechle select BOOT_ELF32 4215e83d430SRalf Baechle select DMA_COHERENT 4225e83d430SRalf Baechle select SIBYTE_BCM1120 4235e83d430SRalf Baechle select SWAP_IO_SPACE 4247cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4255e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4265e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4275e83d430SRalf Baechle 428ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 429ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 4305e83d430SRalf Baechle depends on EXPERIMENTAL 4315e83d430SRalf Baechle select BOOT_ELF32 4325e83d430SRalf Baechle select DMA_COHERENT 4335e83d430SRalf Baechle select SIBYTE_BCM1120 4345e83d430SRalf Baechle select SWAP_IO_SPACE 4357cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4365e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4375e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4385e83d430SRalf Baechle 4395e83d430SRalf Baechleconfig SIBYTE_CRHONE 4403fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 4415e83d430SRalf Baechle depends on EXPERIMENTAL 4425e83d430SRalf Baechle select BOOT_ELF32 4435e83d430SRalf Baechle select DMA_COHERENT 4445e83d430SRalf Baechle select SIBYTE_BCM1125 4455e83d430SRalf Baechle select SWAP_IO_SPACE 4467cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 4475e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4485e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 4495e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4505e83d430SRalf Baechle 451ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 452ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 453ade299d8SYoichi Yuasa depends on EXPERIMENTAL 454ade299d8SYoichi Yuasa select BOOT_ELF32 455ade299d8SYoichi Yuasa select DMA_COHERENT 456ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 457ade299d8SYoichi Yuasa select SWAP_IO_SPACE 458ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 459ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 460ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 461ade299d8SYoichi Yuasa 462ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 463ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 464ade299d8SYoichi Yuasa select BOOT_ELF32 465ade299d8SYoichi Yuasa select DMA_COHERENT 466ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 467ade299d8SYoichi Yuasa select SIBYTE_SB1250 468ade299d8SYoichi Yuasa select SWAP_IO_SPACE 469ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 470ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 471ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 472ade299d8SYoichi Yuasa select SYS_SUPPORTS_KGDB 473ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 474ade299d8SYoichi Yuasa 475ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 476ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 477ade299d8SYoichi Yuasa depends on EXPERIMENTAL 478ade299d8SYoichi Yuasa select BOOT_ELF32 479ade299d8SYoichi Yuasa select DMA_COHERENT 480ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 481ade299d8SYoichi Yuasa select SIBYTE_SB1250 482ade299d8SYoichi Yuasa select SWAP_IO_SPACE 483ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 484ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 485ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 486ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 487ade299d8SYoichi Yuasa 488ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 489ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 490ade299d8SYoichi Yuasa depends on EXPERIMENTAL 491ade299d8SYoichi Yuasa select BOOT_ELF32 492ade299d8SYoichi Yuasa select DMA_COHERENT 493ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 494ade299d8SYoichi Yuasa select SIBYTE_SB1250 495ade299d8SYoichi Yuasa select SWAP_IO_SPACE 496ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 497ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 498ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 499ade299d8SYoichi Yuasa 500ade299d8SYoichi Yuasaconfig SIBYTE_PTSWARM 501ade299d8SYoichi Yuasa bool "Sibyte BCM91250PT-PTSWARM" 502ade299d8SYoichi Yuasa depends on EXPERIMENTAL 503ade299d8SYoichi Yuasa select BOOT_ELF32 504ade299d8SYoichi Yuasa select DMA_COHERENT 505ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_2 506ade299d8SYoichi Yuasa select SIBYTE_SB1250 507ade299d8SYoichi Yuasa select SWAP_IO_SPACE 508ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 509ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 510ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 511ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 512ade299d8SYoichi Yuasa 513ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 514ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 515ade299d8SYoichi Yuasa select BOOT_ELF32 516ade299d8SYoichi Yuasa select DMA_COHERENT 517ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 518ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 519ade299d8SYoichi Yuasa select SWAP_IO_SPACE 520ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 521ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 522ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 523ade299d8SYoichi Yuasa 52414b36af4SThomas Bogendoerferconfig SNI_RM 52514b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 5264a0312fcSThomas Bogendoerfer select ARC if CPU_LITTLE_ENDIAN 5274a0312fcSThomas Bogendoerfer select ARC32 if CPU_LITTLE_ENDIAN 5285e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 5295e83d430SRalf Baechle select BOOT_ELF32 5305e83d430SRalf Baechle select DMA_NONCOHERENT 5315e83d430SRalf Baechle select GENERIC_ISA_DMA 5325e83d430SRalf Baechle select HW_HAS_EISA 5335e83d430SRalf Baechle select HW_HAS_PCI 534c066a32aSThomas Bogendoerfer select IRQ_CPU 5355e83d430SRalf Baechle select I8259 5365e83d430SRalf Baechle select ISA 537de61b542SRalf Baechle select PCSPEAKER 5384a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 5397cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5404a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 541c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 5424a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 54336a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 544ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 5455e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5464a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 5475e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5491da177e4SLinus Torvalds help 55014b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 55114b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 5525e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 5535e83d430SRalf Baechle support this machine type. 5541da177e4SLinus Torvalds 5555e83d430SRalf Baechleconfig TOSHIBA_JMR3927 5563fa986faSMartin Michlmayr bool "Toshiba JMR-TX3927 board" 5575e83d430SRalf Baechle select DMA_NONCOHERENT 5585e83d430SRalf Baechle select HW_HAS_PCI 5595e83d430SRalf Baechle select MIPS_TX3927 560c87abd75SAtsushi Nemoto select IRQ_TXX9 5615e83d430SRalf Baechle select SWAP_IO_SPACE 5627cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 5635e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5646a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5655e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5662127435eSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5675e83d430SRalf Baechle 5685e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 56908a91283SYoichi Yuasa bool "Toshiba RBTX49[23]7 board" 5705e83d430SRalf Baechle select DMA_NONCOHERENT 5715e83d430SRalf Baechle select HAS_TXX9_SERIAL 5725e83d430SRalf Baechle select HW_HAS_PCI 573c87abd75SAtsushi Nemoto select IRQ_CPU 574c87abd75SAtsushi Nemoto select IRQ_TXX9 575c87abd75SAtsushi Nemoto select I8259 if TOSHIBA_FPCIB0 5765e83d430SRalf Baechle select SWAP_IO_SPACE 5777cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 5785e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5795e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5806a2603a2SSergei Shtylyov select SYS_SUPPORTS_LITTLE_ENDIAN 5815e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 582cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 5839fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 5845e83d430SRalf Baechle help 5855e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 5865e83d430SRalf Baechle support this machine type 5871da177e4SLinus Torvalds 58823fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 5893fa986faSMartin Michlmayr bool "Toshiba RBTX4938 board" 59023fbee9dSRalf Baechle select DMA_NONCOHERENT 59123fbee9dSRalf Baechle select HAS_TXX9_SERIAL 59223fbee9dSRalf Baechle select HW_HAS_PCI 593c87abd75SAtsushi Nemoto select IRQ_CPU 594c87abd75SAtsushi Nemoto select IRQ_TXX9 59523fbee9dSRalf Baechle select SWAP_IO_SPACE 5967cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 59723fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 59823fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 59923fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 600cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 6019fd32cfbSAtsushi Nemoto select GENERIC_HARDIRQS_NO__DO_IRQ 6023896b054SAtsushi Nemoto select GENERIC_GPIO 60323fbee9dSRalf Baechle help 60423fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 60523fbee9dSRalf Baechle support this machine type 60623fbee9dSRalf Baechle 607ade299d8SYoichi Yuasaconfig WR_PPMC 608ade299d8SYoichi Yuasa bool "Wind River PPMC board" 609ade299d8SYoichi Yuasa select IRQ_CPU 610ade299d8SYoichi Yuasa select BOOT_ELF32 611ade299d8SYoichi Yuasa select DMA_NONCOHERENT 612ade299d8SYoichi Yuasa select HW_HAS_PCI 613ade299d8SYoichi Yuasa select PCI_GT64XXX_PCI0 614ade299d8SYoichi Yuasa select SWAP_IO_SPACE 615ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R1 616ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS32_R2 617ade299d8SYoichi Yuasa select SYS_HAS_CPU_MIPS64_R1 618ade299d8SYoichi Yuasa select SYS_HAS_CPU_NEVADA 619ade299d8SYoichi Yuasa select SYS_HAS_CPU_RM7000 620ade299d8SYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 621ade299d8SYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 622ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 623ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 624ade299d8SYoichi Yuasa help 625ade299d8SYoichi Yuasa This enables support for the Wind River MIPS32 4KC PPMC evaluation 626ade299d8SYoichi Yuasa board, which is based on GT64120 bridge chip. 627ade299d8SYoichi Yuasa 6281da177e4SLinus Torvaldsendchoice 6291da177e4SLinus Torvalds 630c3543e25SYoichi Yuasasource "arch/mips/au1000/Kconfig" 6315e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 6321f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 6335e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 63429c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 63538b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 6365e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 63723fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 6385e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 63938b18f72SRalf Baechle 6405e83d430SRalf Baechleendmenu 6415e83d430SRalf Baechle 6421da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 6431da177e4SLinus Torvalds bool 6441da177e4SLinus Torvalds default y 6451da177e4SLinus Torvalds 6461da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 6471da177e4SLinus Torvalds bool 6481da177e4SLinus Torvalds 649f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 650f0d1b0b3SDavid Howells bool 651f0d1b0b3SDavid Howells default n 652f0d1b0b3SDavid Howells 653f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 654f0d1b0b3SDavid Howells bool 655f0d1b0b3SDavid Howells default n 656f0d1b0b3SDavid Howells 6573c9ee7efSAkinobu Mitaconfig GENERIC_FIND_NEXT_BIT 6583c9ee7efSAkinobu Mita bool 6593c9ee7efSAkinobu Mita default y 6603c9ee7efSAkinobu Mita 6613c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 6623c9ee7efSAkinobu Mita bool 6633c9ee7efSAkinobu Mita default y 6643c9ee7efSAkinobu Mita 6651da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 6661da177e4SLinus Torvalds bool 6671da177e4SLinus Torvalds default y 6681da177e4SLinus Torvalds 6698db02010SRalf Baechleconfig GENERIC_TIME 6708db02010SRalf Baechle bool 6718db02010SRalf Baechle default y 6728db02010SRalf Baechle 6731cc89038SAtsushi Nemotoconfig SCHED_NO_NO_OMIT_FRAME_POINTER 6741cc89038SAtsushi Nemoto bool 6751cc89038SAtsushi Nemoto default y 6761cc89038SAtsushi Nemoto 677e77c232cSFranck Bui-Huuconfig GENERIC_HARDIRQS_NO__DO_IRQ 678e77c232cSFranck Bui-Huu bool 679e77c232cSFranck Bui-Huu default n 680e77c232cSFranck Bui-Huu 6811da177e4SLinus Torvalds# 6821da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 6831da177e4SLinus Torvalds# 6841da177e4SLinus Torvaldsconfig ARC 6851da177e4SLinus Torvalds bool 6861da177e4SLinus Torvalds 68761ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 68861ed242dSRalf Baechle bool 68961ed242dSRalf Baechle 6909267a30dSMarc St-Jeanconfig BOOT_RAW 6919267a30dSMarc St-Jean bool 6929267a30dSMarc St-Jean 693df78b5c8SAurelien Jarnoconfig CFE 694df78b5c8SAurelien Jarno bool 695df78b5c8SAurelien Jarno 6961da177e4SLinus Torvaldsconfig DMA_COHERENT 6971da177e4SLinus Torvalds bool 6981da177e4SLinus Torvalds 6991da177e4SLinus Torvaldsconfig DMA_IP27 7001da177e4SLinus Torvalds bool 7011da177e4SLinus Torvalds 7024ce588cdSRalf Baechleconfig DMA_IP32 7034ce588cdSRalf Baechle bool 7044ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7054ce588cdSRalf Baechle 7061da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 7071da177e4SLinus Torvalds bool 7084ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 7094ce588cdSRalf Baechle 7104ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 7114ce588cdSRalf Baechle bool 7121da177e4SLinus Torvalds 7131da177e4SLinus Torvaldsconfig EARLY_PRINTK 71436a88530SRalf Baechle bool "Early printk" if EMBEDDED && DEBUG_KERNEL 71536a88530SRalf Baechle depends on SYS_HAS_EARLY_PRINTK 71636a88530SRalf Baechle default y 71736a88530SRalf Baechle help 71836a88530SRalf Baechle This option enables special console drivers which allow the kernel 71936a88530SRalf Baechle to print messages very early in the bootup process. 72036a88530SRalf Baechle 72136a88530SRalf Baechle This is useful for kernel debugging when your machine crashes very 722490dcc4dSRobert P. J. Day early before the console code is initialized. For normal operation, 723490dcc4dSRobert P. J. Day it is not recommended because it looks ugly on some machines and 724490dcc4dSRobert P. J. Day doesn't cooperate with an X server. You should normally say N here, 72536a88530SRalf Baechle unless you want to debug such a crash. 72636a88530SRalf Baechle 72736a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 7281da177e4SLinus Torvalds bool 7291da177e4SLinus Torvalds 730dbb74540SRalf Baechleconfig HOTPLUG_CPU 731dbb74540SRalf Baechle bool 732dbb74540SRalf Baechle default n 733dbb74540SRalf Baechle 7341da177e4SLinus Torvaldsconfig I8259 7351da177e4SLinus Torvalds bool 7361da177e4SLinus Torvalds 7371da177e4SLinus Torvaldsconfig MIPS_BONITO64 7381da177e4SLinus Torvalds bool 7391da177e4SLinus Torvalds 7401da177e4SLinus Torvaldsconfig MIPS_MSC 7411da177e4SLinus Torvalds bool 7421da177e4SLinus Torvalds 7431f21d2bdSBrian Murphyconfig MIPS_NILE4 7441f21d2bdSBrian Murphy bool 7451f21d2bdSBrian Murphy 7461da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 7471da177e4SLinus Torvalds bool 7481da177e4SLinus Torvalds 749d388d685SMaciej W. Rozyckiconfig NO_IOPORT 750d388d685SMaciej W. Rozycki def_bool n 751d388d685SMaciej W. Rozycki 7528313da30SRalf Baechleconfig GENERIC_ISA_DMA 7538313da30SRalf Baechle bool 7548313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 7558313da30SRalf Baechle 756aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 757aa414dffSRalf Baechle bool 7588313da30SRalf Baechle select GENERIC_ISA_DMA 759aa414dffSRalf Baechle 76009663335SYoichi Yuasaconfig GENERIC_GPIO 76109663335SYoichi Yuasa bool 76209663335SYoichi Yuasa 7635e83d430SRalf Baechle# 7643cb2fcccSMatt LaPlante# Endianess selection. Sufficiently obscure so many users don't know what to 7655e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 7665e83d430SRalf Baechle# choice statement should be more obvious to the user. 7675e83d430SRalf Baechle# 7685e83d430SRalf Baechlechoice 7695e83d430SRalf Baechle prompt "Endianess selection" 7701da177e4SLinus Torvalds help 7711da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 7725e83d430SRalf Baechle byte order. These modes require different kernels and a different 7733cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 7745e83d430SRalf Baechle particular system but some systems are just as commonly used in the 7753dde6ad8SDavid Sterba one or the other endianness. 7765e83d430SRalf Baechle 7775e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 7785e83d430SRalf Baechle bool "Big endian" 7795e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 7805e83d430SRalf Baechle 7815e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 7825e83d430SRalf Baechle bool "Little endian" 7835e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 7845e83d430SRalf Baechle help 7855e83d430SRalf Baechle 7865e83d430SRalf Baechleendchoice 7875e83d430SRalf Baechle 7882116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 7892116245eSRalf Baechle bool 7902116245eSRalf Baechle 7915e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 7925e83d430SRalf Baechle bool 7935e83d430SRalf Baechle 7945e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 7955e83d430SRalf Baechle bool 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvaldsconfig IRQ_CPU 7981da177e4SLinus Torvalds bool 7991da177e4SLinus Torvalds 8001da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8011da177e4SLinus Torvalds bool 8021da177e4SLinus Torvalds 8035e83d430SRalf Baechleconfig IRQ_CPU_RM9K 8045e83d430SRalf Baechle bool 8055e83d430SRalf Baechle 8069267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 8079267a30dSMarc St-Jean bool 8089267a30dSMarc St-Jean 8099267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 8109267a30dSMarc St-Jean bool 8119267a30dSMarc St-Jean 8128420fd00SAtsushi Nemotoconfig IRQ_TXX9 8138420fd00SAtsushi Nemoto bool 8148420fd00SAtsushi Nemoto 815d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 816d5ab1a69SYoichi Yuasa bool 817d5ab1a69SYoichi Yuasa 8181da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 8191da177e4SLinus Torvalds bool 8201da177e4SLinus Torvalds 821252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 8221da177e4SLinus Torvalds bool 8231da177e4SLinus Torvalds 8249267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 8259267a30dSMarc St-Jean bool 8269267a30dSMarc St-Jean 8271da177e4SLinus Torvaldsconfig MIPS_TX3927 8281da177e4SLinus Torvalds bool 8291da177e4SLinus Torvalds select HAS_TXX9_SERIAL 8301da177e4SLinus Torvalds 831663c3d90Sthomas@koeller.dyndns.orgconfig MIPS_RM9122 832663c3d90Sthomas@koeller.dyndns.org bool 833663c3d90Sthomas@koeller.dyndns.org select SERIAL_RM9000 834663c3d90Sthomas@koeller.dyndns.org 835bdf21b18SPete Popovconfig PNX8550 836bdf21b18SPete Popov bool 837bdf21b18SPete Popov select SOC_PNX8550 838bdf21b18SPete Popov 839bdf21b18SPete Popovconfig SOC_PNX8550 840bdf21b18SPete Popov bool 841bdf21b18SPete Popov select DMA_NONCOHERENT 842bdf21b18SPete Popov select HW_HAS_PCI 843b8c2a77cSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 84436a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 8457cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 846e77c232cSFranck Bui-Huu select GENERIC_HARDIRQS_NO__DO_IRQ 847cc801077SRalf Baechle select SYS_SUPPORTS_KGDB 8484ead1681SFlorian Fainelli select GENERIC_GPIO 849bdf21b18SPete Popov 8501da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 8511da177e4SLinus Torvalds bool 8521da177e4SLinus Torvalds 853355c471fSdmitry pervushinconfig EMMA2RH 854355c471fSdmitry pervushin bool 855355c471fSdmitry pervushin depends on MARKEINS 856355c471fSdmitry pervushin default y 857355c471fSdmitry pervushin 858663c3d90Sthomas@koeller.dyndns.orgconfig SERIAL_RM9000 859663c3d90Sthomas@koeller.dyndns.org bool 860663c3d90Sthomas@koeller.dyndns.org 8615e83d430SRalf Baechleconfig ARC32 8625e83d430SRalf Baechle bool 8635e83d430SRalf Baechle 8641da177e4SLinus Torvaldsconfig BOOT_ELF32 8651da177e4SLinus Torvalds bool 8661da177e4SLinus Torvalds 8671da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 8681da177e4SLinus Torvalds int 86906cf5583SThomas Bogendoerfer default "4" if MACH_DECSTATION 87006cf5583SThomas Bogendoerfer default "7" if SGI_IP27 || SNI_RM 8719267a30dSMarc St-Jean default "4" if PMC_MSP4200_EVAL 8721da177e4SLinus Torvalds default "5" 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 8751da177e4SLinus Torvalds bool 8761da177e4SLinus Torvalds 8771da177e4SLinus Torvaldsconfig ARC_CONSOLE 8781da177e4SLinus Torvalds bool "ARC console support" 87936a88530SRalf Baechle depends on SGI_IP22 || (SNI_RM && CPU_LITTLE_ENDIAN) 8801da177e4SLinus Torvalds 8811da177e4SLinus Torvaldsconfig ARC_MEMORY 8821da177e4SLinus Torvalds bool 88314b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 8841da177e4SLinus Torvalds default y 8851da177e4SLinus Torvalds 8861da177e4SLinus Torvaldsconfig ARC_PROMLIB 8871da177e4SLinus Torvalds bool 88814b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP32 8891da177e4SLinus Torvalds default y 8901da177e4SLinus Torvalds 8911da177e4SLinus Torvaldsconfig ARC64 8921da177e4SLinus Torvalds bool 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvaldsconfig BOOT_ELF64 8951da177e4SLinus Torvalds bool 8961da177e4SLinus Torvalds 8971da177e4SLinus Torvaldsmenu "CPU selection" 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvaldschoice 9001da177e4SLinus Torvalds prompt "CPU type" 9011da177e4SLinus Torvalds default CPU_R4X00 9021da177e4SLinus Torvalds 9032a21c730SFuxin Zhangconfig CPU_LOONGSON2 9042a21c730SFuxin Zhang bool "Loongson 2" 9052a21c730SFuxin Zhang depends on SYS_HAS_CPU_LOONGSON2 9062a21c730SFuxin Zhang select CPU_SUPPORTS_32BIT_KERNEL 9072a21c730SFuxin Zhang select CPU_SUPPORTS_64BIT_KERNEL 9082a21c730SFuxin Zhang select CPU_SUPPORTS_HIGHMEM 9092a21c730SFuxin Zhang help 9102a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 9112a21c730SFuxin Zhang with many extensions. 9122a21c730SFuxin Zhang 9136e760c8dSRalf Baechleconfig CPU_MIPS32_R1 9146e760c8dSRalf Baechle bool "MIPS32 Release 1" 9157cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 916f7062ddbSRalf Baechle select CPU_HAS_LLSC 9176e760c8dSRalf Baechle select CPU_HAS_PREFETCH 918797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 919ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9206e760c8dSRalf Baechle help 9215e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 9221e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9231e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9241e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9251e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9261e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 9271e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 9281e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 9291e5f1caaSRalf Baechle performance. 9301e5f1caaSRalf Baechle 9311e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 9321e5f1caaSRalf Baechle bool "MIPS32 Release 2" 9337cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 934f7062ddbSRalf Baechle select CPU_HAS_LLSC 9351e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 936797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 937ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9381e5f1caaSRalf Baechle help 9395e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 9406e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 9416e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 9426e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9436e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 9441da177e4SLinus Torvalds 9456e760c8dSRalf Baechleconfig CPU_MIPS64_R1 9466e760c8dSRalf Baechle bool "MIPS64 Release 1" 9477cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 948f7062ddbSRalf Baechle select CPU_HAS_LLSC 949797798c1SRalf Baechle select CPU_HAS_PREFETCH 950ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 951ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 952ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9536e760c8dSRalf Baechle help 9546e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 9556e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9566e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9576e760c8dSRalf Baechle specific type of processor in your system, choose those that one 9586e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9591e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 9601e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 9611e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 9621e5f1caaSRalf Baechle performance. 9631e5f1caaSRalf Baechle 9641e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 9651e5f1caaSRalf Baechle bool "MIPS64 Release 2" 9667cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 967f7062ddbSRalf Baechle select CPU_HAS_LLSC 968797798c1SRalf Baechle select CPU_HAS_PREFETCH 9691e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 9701e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 971ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9721e5f1caaSRalf Baechle help 9731e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 9741e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 9751e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 9761e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 9771e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 9781da177e4SLinus Torvalds 9791da177e4SLinus Torvaldsconfig CPU_R3000 9801da177e4SLinus Torvalds bool "R3000" 9817cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 982f7062ddbSRalf Baechle select CPU_HAS_WB 983ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 984797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 9851da177e4SLinus Torvalds help 9861da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 9871da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 9881da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 9891da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 9901da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 9911da177e4SLinus Torvalds try to recompile with R3000. 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvaldsconfig CPU_TX39XX 9941da177e4SLinus Torvalds bool "R39XX" 9957cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 996ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig CPU_VR41XX 9991da177e4SLinus Torvalds bool "R41xx" 10007cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1001ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1002ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10031da177e4SLinus Torvalds help 10045e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 10051da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 10061da177e4SLinus Torvalds kernel built with this option will not run on any other type of 10071da177e4SLinus Torvalds processor or vice versa. 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvaldsconfig CPU_R4300 10101da177e4SLinus Torvalds bool "R4300" 10117cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1012f7062ddbSRalf Baechle select CPU_HAS_LLSC 1013ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1014ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10151da177e4SLinus Torvalds help 10161da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 10171da177e4SLinus Torvalds 10181da177e4SLinus Torvaldsconfig CPU_R4X00 10191da177e4SLinus Torvalds bool "R4x00" 10207cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1021f7062ddbSRalf Baechle select CPU_HAS_LLSC 1022ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1023ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10241da177e4SLinus Torvalds help 10251da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 10261da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvaldsconfig CPU_TX49XX 10291da177e4SLinus Torvalds bool "R49XX" 10307cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1031f7062ddbSRalf Baechle select CPU_HAS_LLSC 1032de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1033ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1034ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10351da177e4SLinus Torvalds 10361da177e4SLinus Torvaldsconfig CPU_R5000 10371da177e4SLinus Torvalds bool "R5000" 10387cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1039f7062ddbSRalf Baechle select CPU_HAS_LLSC 1040ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1041ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10421da177e4SLinus Torvalds help 10431da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 10441da177e4SLinus Torvalds 10451da177e4SLinus Torvaldsconfig CPU_R5432 10461da177e4SLinus Torvalds bool "R5432" 10477cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 1048f7062ddbSRalf Baechle select CPU_HAS_LLSC 10495e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10505e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 10511da177e4SLinus Torvalds 10521da177e4SLinus Torvaldsconfig CPU_R6000 10531da177e4SLinus Torvalds bool "R6000" 1054ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1055f7062ddbSRalf Baechle select CPU_HAS_LLSC 10567cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1057ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 10581da177e4SLinus Torvalds help 10591da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1060c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 10611da177e4SLinus Torvalds 10621da177e4SLinus Torvaldsconfig CPU_NEVADA 10631da177e4SLinus Torvalds bool "RM52xx" 10647cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1065f7062ddbSRalf Baechle select CPU_HAS_LLSC 1066ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1067ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10681da177e4SLinus Torvalds help 10691da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 10701da177e4SLinus Torvalds 10711da177e4SLinus Torvaldsconfig CPU_R8000 10721da177e4SLinus Torvalds bool "R8000" 1073ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 10747cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 1075f7062ddbSRalf Baechle select CPU_HAS_LLSC 10765e83d430SRalf Baechle select CPU_HAS_PREFETCH 1077ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10781da177e4SLinus Torvalds help 10791da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 10801da177e4SLinus Torvalds uncommon and the support for them is incomplete. 10811da177e4SLinus Torvalds 10821da177e4SLinus Torvaldsconfig CPU_R10000 10831da177e4SLinus Torvalds bool "R10000" 10847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 1085f7062ddbSRalf Baechle select CPU_HAS_LLSC 10865e83d430SRalf Baechle select CPU_HAS_PREFETCH 1087ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1088ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1089797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 10901da177e4SLinus Torvalds help 10911da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 10921da177e4SLinus Torvalds 10931da177e4SLinus Torvaldsconfig CPU_RM7000 10941da177e4SLinus Torvalds bool "RM7000" 10957cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 1096f7062ddbSRalf Baechle select CPU_HAS_LLSC 10975e83d430SRalf Baechle select CPU_HAS_PREFETCH 1098ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1099ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1100797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11011da177e4SLinus Torvalds 11021da177e4SLinus Torvaldsconfig CPU_RM9000 11031da177e4SLinus Torvalds bool "RM9000" 11047cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 1105f7062ddbSRalf Baechle select CPU_HAS_LLSC 11065e83d430SRalf Baechle select CPU_HAS_PREFETCH 1107ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1108ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1109797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11100004a9dfSRalf Baechle select WEAK_ORDERING 11111da177e4SLinus Torvalds 11121da177e4SLinus Torvaldsconfig CPU_SB1 11131da177e4SLinus Torvalds bool "SB1" 11147cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1115f7062ddbSRalf Baechle select CPU_HAS_LLSC 1116ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1117ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1118797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11190004a9dfSRalf Baechle select WEAK_ORDERING 11201da177e4SLinus Torvalds 11211da177e4SLinus Torvaldsendchoice 11221da177e4SLinus Torvalds 11232a21c730SFuxin Zhangconfig SYS_HAS_CPU_LOONGSON2 11242a21c730SFuxin Zhang bool 11252a21c730SFuxin Zhang 11267cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 11277cf8053bSRalf Baechle bool 11287cf8053bSRalf Baechle 11297cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 11307cf8053bSRalf Baechle bool 11317cf8053bSRalf Baechle 11327cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 11337cf8053bSRalf Baechle bool 11347cf8053bSRalf Baechle 11357cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 11367cf8053bSRalf Baechle bool 11377cf8053bSRalf Baechle 11387cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 11397cf8053bSRalf Baechle bool 11407cf8053bSRalf Baechle 11417cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 11427cf8053bSRalf Baechle bool 11437cf8053bSRalf Baechle 11447cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 11457cf8053bSRalf Baechle bool 11467cf8053bSRalf Baechle 11477cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 11487cf8053bSRalf Baechle bool 11497cf8053bSRalf Baechle 11507cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 11517cf8053bSRalf Baechle bool 11527cf8053bSRalf Baechle 11537cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 11547cf8053bSRalf Baechle bool 11557cf8053bSRalf Baechle 11567cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 11577cf8053bSRalf Baechle bool 11587cf8053bSRalf Baechle 11597cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 11607cf8053bSRalf Baechle bool 11617cf8053bSRalf Baechle 11627cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 11637cf8053bSRalf Baechle bool 11647cf8053bSRalf Baechle 11657cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 11667cf8053bSRalf Baechle bool 11677cf8053bSRalf Baechle 11687cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 11697cf8053bSRalf Baechle bool 11707cf8053bSRalf Baechle 11717cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 11727cf8053bSRalf Baechle bool 11737cf8053bSRalf Baechle 11747cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 11757cf8053bSRalf Baechle bool 11767cf8053bSRalf Baechle 11777cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 11787cf8053bSRalf Baechle bool 11797cf8053bSRalf Baechle 11807cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 11817cf8053bSRalf Baechle bool 11827cf8053bSRalf Baechle 118317099b11SRalf Baechle# 118417099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 118517099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 118617099b11SRalf Baechle# 11870004a9dfSRalf Baechleconfig WEAK_ORDERING 11880004a9dfSRalf Baechle bool 118917099b11SRalf Baechle 119017099b11SRalf Baechle# 119117099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 119217099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 119317099b11SRalf Baechle# 119417099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 119517099b11SRalf Baechle bool 11965e83d430SRalf Baechleendmenu 11975e83d430SRalf Baechle 11985e83d430SRalf Baechle# 11995e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 12005e83d430SRalf Baechle# 12015e83d430SRalf Baechleconfig CPU_MIPS32 12025e83d430SRalf Baechle bool 12035e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 12045e83d430SRalf Baechle 12055e83d430SRalf Baechleconfig CPU_MIPS64 12065e83d430SRalf Baechle bool 12075e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 12085e83d430SRalf Baechle 12095e83d430SRalf Baechle# 1210c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 12115e83d430SRalf Baechle# 12125e83d430SRalf Baechleconfig CPU_MIPSR1 12135e83d430SRalf Baechle bool 12145e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 12155e83d430SRalf Baechle 12165e83d430SRalf Baechleconfig CPU_MIPSR2 12175e83d430SRalf Baechle bool 12185e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 12195e83d430SRalf Baechle 12205e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 12215e83d430SRalf Baechle bool 12225e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 12235e83d430SRalf Baechle bool 12245e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 12255e83d430SRalf Baechle bool 12265e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 12275e83d430SRalf Baechle bool 12285e83d430SRalf Baechle 12295e83d430SRalf Baechlemenu "Kernel type" 12305e83d430SRalf Baechle 12315e83d430SRalf Baechlechoice 12325e83d430SRalf Baechle 12335e83d430SRalf Baechle prompt "Kernel code model" 12345e83d430SRalf Baechle help 12355e83d430SRalf Baechle You should only select this option if you have a workload that 12365e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 12375e83d430SRalf Baechle large memory. You will only be presented a single option in this 12385e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 12395e83d430SRalf Baechle 12405e83d430SRalf Baechleconfig 32BIT 12415e83d430SRalf Baechle bool "32-bit kernel" 12425e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 12435e83d430SRalf Baechle select TRAD_SIGNALS 12445e83d430SRalf Baechle help 12455e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 12465e83d430SRalf Baechleconfig 64BIT 12475e83d430SRalf Baechle bool "64-bit kernel" 12485e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 12495e83d430SRalf Baechle help 12505e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 12515e83d430SRalf Baechle 12525e83d430SRalf Baechleendchoice 12535e83d430SRalf Baechle 12541da177e4SLinus Torvaldschoice 12551da177e4SLinus Torvalds prompt "Kernel page size" 12561da177e4SLinus Torvalds default PAGE_SIZE_4KB 12571da177e4SLinus Torvalds 12581da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 12591da177e4SLinus Torvalds bool "4kB" 12601da177e4SLinus Torvalds help 12611da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 12621da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 12631da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 12641da177e4SLinus Torvalds recommended for low memory systems. 12651da177e4SLinus Torvalds 12661da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 12671da177e4SLinus Torvalds bool "8kB" 12681da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 12691da177e4SLinus Torvalds help 12701da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 12711da177e4SLinus Torvalds the price of higher memory consumption. This option is available 12721da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 12731da177e4SLinus Torvalds this option is still high experimental; there are also issues with 12741da177e4SLinus Torvalds compatibility of user applications. 12751da177e4SLinus Torvalds 12761da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 12771da177e4SLinus Torvalds bool "16kB" 1278714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 12791da177e4SLinus Torvalds help 12801da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 12811da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 1282714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 1283714bfad6SRalf Baechle Linux distribution to support this. 12841da177e4SLinus Torvalds 12851da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 12861da177e4SLinus Torvalds bool "64kB" 12871da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 12881da177e4SLinus Torvalds help 12891da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 12901da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 12911da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 1292714bfad6SRalf Baechle writing this option is still high experimental. 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvaldsendchoice 12951da177e4SLinus Torvalds 12961da177e4SLinus Torvaldsconfig BOARD_SCACHE 12971da177e4SLinus Torvalds bool 12981da177e4SLinus Torvalds 12991da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 13001da177e4SLinus Torvalds bool 13011da177e4SLinus Torvalds select BOARD_SCACHE 13021da177e4SLinus Torvalds 13039318c51aSChris Dearman# 13049318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 13059318c51aSChris Dearman# 13069318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 13079318c51aSChris Dearman bool 13089318c51aSChris Dearman select BOARD_SCACHE 13099318c51aSChris Dearman 13101da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 13111da177e4SLinus Torvalds bool 13121da177e4SLinus Torvalds select BOARD_SCACHE 13131da177e4SLinus Torvalds 13141da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 13151da177e4SLinus Torvalds bool 13161da177e4SLinus Torvalds select BOARD_SCACHE 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 13191da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 13201da177e4SLinus Torvalds depends on CPU_SB1 13211da177e4SLinus Torvalds help 13221da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 13231da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 13241da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1327c8094b53SRalf Baechle bool 13281da177e4SLinus Torvalds 1329340ee4b9SRalf Baechlechoice 1330340ee4b9SRalf Baechle prompt "MIPS MT options" 1331f41ae0b2SRalf Baechle 1332f41ae0b2SRalf Baechleconfig MIPS_MT_DISABLED 1333f41ae0b2SRalf Baechle bool "Disable multithreading support." 1334f41ae0b2SRalf Baechle help 1335f41ae0b2SRalf Baechle Use this option if your workload can't take advantage of 1336f41ae0b2SRalf Baechle MIPS hardware multithreading support. On systems that don't have 1337f41ae0b2SRalf Baechle the option of an MT-enabled processor this option will be the only 1338f41ae0b2SRalf Baechle option in this menu. 1339340ee4b9SRalf Baechle 134059d6ab86SRalf Baechleconfig MIPS_MT_SMP 134159d6ab86SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 134259d6ab86SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 134359d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 1344d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 134559d6ab86SRalf Baechle select CPU_MIPSR2_SRS 134659d6ab86SRalf Baechle select MIPS_MT 1347f510aa3bSRalf Baechle select NR_CPUS_DEFAULT_2 134859d6ab86SRalf Baechle select SMP 134959d6ab86SRalf Baechle select SYS_SUPPORTS_SMP 135059d6ab86SRalf Baechle help 135159d6ab86SRalf Baechle This is a kernel model which is also known a VSMP or lately 135259d6ab86SRalf Baechle has been marketesed into SMVP. 135359d6ab86SRalf Baechle 135441c594abSRalf Baechleconfig MIPS_MT_SMTC 135541c594abSRalf Baechle bool "SMTC: Use all TCs on all VPEs for SMP" 1356f41ae0b2SRalf Baechle depends on CPU_MIPS32_R2 1357f41ae0b2SRalf Baechle #depends on CPU_MIPS64_R2 # once there is hardware ... 1358f41ae0b2SRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 1359f7062ddbSRalf Baechle select CPU_MIPSR2_IRQ_VI 1360d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 1361f7062ddbSRalf Baechle select CPU_MIPSR2_SRS 1362f41ae0b2SRalf Baechle select MIPS_MT 1363130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_8 136441c594abSRalf Baechle select SMP 136573b76c78SRalf Baechle select SYS_SUPPORTS_SMP 1366f41ae0b2SRalf Baechle help 1367f41ae0b2SRalf Baechle This is a kernel model which is known a SMTC or lately has been 1368f41ae0b2SRalf Baechle marketesed into SMVP. 136941c594abSRalf Baechle 1370340ee4b9SRalf Baechleendchoice 1371340ee4b9SRalf Baechle 1372f41ae0b2SRalf Baechleconfig MIPS_MT 1373f41ae0b2SRalf Baechle bool 1374f41ae0b2SRalf Baechle 1375f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 1376f41ae0b2SRalf Baechle bool 1377f41ae0b2SRalf Baechle 1378f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 1379f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 1380f088fc84SRalf Baechle default y 138107cc0c9eSRalf Baechle depends on MIPS_MT_SMP || MIPS_MT_SMTC 138207cc0c9eSRalf Baechle 138307cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 138407cc0c9eSRalf Baechle bool "VPE loader support." 138507cc0c9eSRalf Baechle depends on SYS_SUPPORTS_MULTITHREADING 138607cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 138707cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 138807cc0c9eSRalf Baechle select CPU_MIPSR2_SRS 138907cc0c9eSRalf Baechle select MIPS_MT 139007cc0c9eSRalf Baechle help 139107cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 139207cc0c9eSRalf Baechle onto another VPE and running it. 1393f088fc84SRalf Baechle 1394ac8be955SRalf Baechleconfig MIPS_MT_SMTC_INSTANT_REPLAY 1395ac8be955SRalf Baechle bool "Low-latency Dispatch of Deferred SMTC IPIs" 1396619af723SRalf Baechle depends on MIPS_MT_SMTC && !PREEMPT 1397ac8be955SRalf Baechle default y 1398ac8be955SRalf Baechle help 1399ac8be955SRalf Baechle SMTC pseudo-interrupts between TCs are deferred and queued 1400ac8be955SRalf Baechle if the target TC is interrupt-inhibited (IXMT). In the first 1401ac8be955SRalf Baechle SMTC prototypes, these queued IPIs were serviced on return 1402ac8be955SRalf Baechle to user mode, or on entry into the kernel idle loop. The 1403ac8be955SRalf Baechle INSTANT_REPLAY option dispatches them as part of local_irq_restore() 1404ac8be955SRalf Baechle processing, which adds runtime overhead (hence the option to turn 1405ac8be955SRalf Baechle it off), but ensures that IPIs are handled promptly even under 1406ac8be955SRalf Baechle heavy I/O interrupt load. 1407ac8be955SRalf Baechle 14080db34215SKevin D. Kissellconfig MIPS_MT_SMTC_IM_BACKSTOP 14090db34215SKevin D. Kissell bool "Use per-TC register bits as backstop for inhibited IM bits" 14100db34215SKevin D. Kissell depends on MIPS_MT_SMTC 14110db34215SKevin D. Kissell default y 14120db34215SKevin D. Kissell help 14130db34215SKevin D. Kissell To support multiple TC microthreads acting as "CPUs" within 14140db34215SKevin D. Kissell a VPE, VPE-wide interrupt mask bits must be specially manipulated 14150db34215SKevin D. Kissell during interrupt handling. To support legacy drivers and interrupt 14160db34215SKevin D. Kissell controller management code, SMTC has a "backstop" to track and 14170db34215SKevin D. Kissell if necessary restore the interrupt mask. This has some performance 14180db34215SKevin D. Kissell impact on interrupt service overhead. Disable it only if you know 14190db34215SKevin D. Kissell what you are doing. 14200db34215SKevin D. Kissell 1421f571eff0SKevin D. Kissellconfig MIPS_MT_SMTC_IRQAFF 1422f571eff0SKevin D. Kissell bool "Support IRQ affinity API" 1423f571eff0SKevin D. Kissell depends on MIPS_MT_SMTC 1424f571eff0SKevin D. Kissell default n 1425f571eff0SKevin D. Kissell help 1426f571eff0SKevin D. Kissell Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.) 1427f571eff0SKevin D. Kissell for SMTC Linux kernel. Requires platform support, of which 1428f571eff0SKevin D. Kissell an example can be found in the MIPS kernel i8259 and Malta 1429f571eff0SKevin D. Kissell platform code. It is recommended that MIPS_MT_SMTC_INSTANT_REPLAY 1430f571eff0SKevin D. Kissell be enabled if MIPS_MT_SMTC_IRQAFF is used. Adds overhead to 1431f571eff0SKevin D. Kissell interrupt dispatch, and should be used only if you know what 1432f571eff0SKevin D. Kissell you are doing. 1433f571eff0SKevin D. Kissell 1434e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1435e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1436e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1437e01402b1SRalf Baechle default y 1438e01402b1SRalf Baechle help 1439e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1440e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1441e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1442e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1443e01402b1SRalf Baechle 1444e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1445e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1446e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1447e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14485e83d430SRalf Baechle help 1449e01402b1SRalf Baechle 14502600990eSRalf Baechleconfig MIPS_APSP_KSPD 14512600990eSRalf Baechle bool "Enable KSPD" 14522600990eSRalf Baechle depends on MIPS_VPE_APSP_API 14532600990eSRalf Baechle default y 14542600990eSRalf Baechle help 14552600990eSRalf Baechle KSPD is a kernel daemon that accepts syscall requests from the SP 14562600990eSRalf Baechle side, actions them and returns the results. It also handles the 14572600990eSRalf Baechle "exit" syscall notifying other kernel modules the SP program is 14582600990eSRalf Baechle exiting. You probably want to say yes here. 14592600990eSRalf Baechle 14601da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 14611da177e4SLinus Torvalds bool 14621da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 14631da177e4SLinus Torvalds default y 14641da177e4SLinus Torvalds 14651da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 14661da177e4SLinus Torvalds bool 14671da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 14681da177e4SLinus Torvalds default y 14691da177e4SLinus Torvalds 14701da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 14711da177e4SLinus Torvalds bool 14721da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 14731da177e4SLinus Torvalds default y 14741da177e4SLinus Torvalds 14751da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 1476d806cb2bSRalf Baechle bool 14771da177e4SLinus Torvalds 14781da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 1479f7062ddbSRalf Baechle bool 14801da177e4SLinus Torvalds 14819693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 14829693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 14839693a853SFranck Bui-Huu bool "Support for the SmartMIPS ASE" 14849693a853SFranck Bui-Huu help 14859693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 14869693a853SFranck Bui-Huu increased security at both hardware and software level for 14879693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 14889693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 14899693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 14909693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 14919693a853SFranck Bui-Huu here. 14929693a853SFranck Bui-Huu 14931da177e4SLinus Torvaldsconfig CPU_HAS_WB 1494f7062ddbSRalf Baechle bool 1495e01402b1SRalf Baechle 14962a21c730SFuxin Zhangconfig 64BIT_CONTEXT 14972a21c730SFuxin Zhang bool "Save 64bit integer registers" 14982a21c730SFuxin Zhang depends on 32BIT && CPU_LOONGSON2 14992a21c730SFuxin Zhang help 15002a21c730SFuxin Zhang Loongson2 CPU is 64bit , when used in 32BIT mode, its integer 15012a21c730SFuxin Zhang registers can still be accessed as 64bit, mainly for multimedia 15022a21c730SFuxin Zhang instructions. We must have all 64bit save/restored to make sure 15032a21c730SFuxin Zhang those instructions to get correct result. 15042a21c730SFuxin Zhang 1505f41ae0b2SRalf Baechle# 1506f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 1507f41ae0b2SRalf Baechle# 1508e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1509f41ae0b2SRalf Baechle bool 1510e01402b1SRalf Baechle 1511f41ae0b2SRalf Baechle# 1512f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 1513f41ae0b2SRalf Baechle# 1514e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1515f41ae0b2SRalf Baechle bool 1516e01402b1SRalf Baechle 1517f41ae0b2SRalf Baechle# 1518f41ae0b2SRalf Baechle# Shadow registers are an R2 feature 1519f41ae0b2SRalf Baechle# 1520e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1521f41ae0b2SRalf Baechle bool 1522e01402b1SRalf Baechle 15231da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15241da177e4SLinus Torvalds bool 15251da177e4SLinus Torvalds depends on !CPU_R3000 15261da177e4SLinus Torvalds default y 15271da177e4SLinus Torvalds 15281da177e4SLinus Torvalds# 1529797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1530797798c1SRalf Baechle# 1531797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1532797798c1SRalf Baechle bool 1533797798c1SRalf Baechle default y 1534797798c1SRalf Baechle 1535797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1536797798c1SRalf Baechle bool 1537797798c1SRalf Baechle default y 1538797798c1SRalf Baechle 15390d7012a9SIngo Molnarconfig IRQ_PER_CPU 15400d7012a9SIngo Molnar bool 15410d7012a9SIngo Molnar 1542797798c1SRalf Baechle# 15431da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15441da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15451da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15461da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15471da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15481da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15491da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15501da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1551797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1552797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1553797798c1SRalf Baechle# support. 15541da177e4SLinus Torvalds# 15551da177e4SLinus Torvaldsconfig HIGHMEM 15561da177e4SLinus Torvalds bool "High Memory Support" 1557797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1558797798c1SRalf Baechle 1559797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1560797798c1SRalf Baechle bool 1561797798c1SRalf Baechle 1562797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1563797798c1SRalf Baechle bool 15641da177e4SLinus Torvalds 15659693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 15669693a853SFranck Bui-Huu bool 15679693a853SFranck Bui-Huu 1568b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1569b4819b59SYoichi Yuasa def_bool y 1570b4819b59SYoichi Yuasa depends on !NUMA 1571b4819b59SYoichi Yuasa 1572d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 1573d8cb4e11SRalf Baechle bool 1574d8cb4e11SRalf Baechle default y if SGI_IP27 1575d8cb4e11SRalf Baechle help 15763dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 1577d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 1578d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 1579d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 1580d8cb4e11SRalf Baechle 1581b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 1582b1c6cd42SAtsushi Nemoto bool 15837de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 158431473747SAtsushi Nemoto 1585d8cb4e11SRalf Baechleconfig NUMA 1586d8cb4e11SRalf Baechle bool "NUMA Support" 1587d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 1588d8cb4e11SRalf Baechle help 1589d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 1590d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 1591d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 1592d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 1593d8cb4e11SRalf Baechle disabled. 1594d8cb4e11SRalf Baechle 1595d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 1596d8cb4e11SRalf Baechle bool 1597d8cb4e11SRalf Baechle 1598c80d79d7SYasunori Gotoconfig NODES_SHIFT 1599c80d79d7SYasunori Goto int 1600c80d79d7SYasunori Goto default "6" 1601c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 1602c80d79d7SYasunori Goto 1603b4819b59SYoichi Yuasasource "mm/Kconfig" 1604b4819b59SYoichi Yuasa 16051da177e4SLinus Torvaldsconfig SMP 16061da177e4SLinus Torvalds bool "Multi-Processing support" 1607e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 1608b4b30a5aSRalf Baechle select IRQ_PER_CPU 1609e73ea273SRalf Baechle help 16101da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 16111da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 16121da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 16131da177e4SLinus Torvalds 16141da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 16151da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 16161da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 16171da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 16181da177e4SLinus Torvalds will run faster if you say N here. 16191da177e4SLinus Torvalds 16201da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16211da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16221da177e4SLinus Torvalds 16231da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16241da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16251da177e4SLinus Torvalds 16261da177e4SLinus Torvalds If you don't know what to do here, say N. 16271da177e4SLinus Torvalds 1628e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 1629e73ea273SRalf Baechle bool 1630e73ea273SRalf Baechle 163172ede9b1SAtsushi Nemotoconfig NR_CPUS_DEFAULT_1 163272ede9b1SAtsushi Nemoto bool 163372ede9b1SAtsushi Nemoto 1634130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_2 1635130e2fb7SRalf Baechle bool 1636130e2fb7SRalf Baechle 1637130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 1638130e2fb7SRalf Baechle bool 1639130e2fb7SRalf Baechle 1640130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 1641130e2fb7SRalf Baechle bool 1642130e2fb7SRalf Baechle 1643130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 1644130e2fb7SRalf Baechle bool 1645130e2fb7SRalf Baechle 1646130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 1647130e2fb7SRalf Baechle bool 1648130e2fb7SRalf Baechle 1649130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 1650130e2fb7SRalf Baechle bool 1651130e2fb7SRalf Baechle 16521da177e4SLinus Torvaldsconfig NR_CPUS 16531da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 165472ede9b1SAtsushi Nemoto range 1 64 if NR_CPUS_DEFAULT_1 16551da177e4SLinus Torvalds depends on SMP 165672ede9b1SAtsushi Nemoto default "1" if NR_CPUS_DEFAULT_1 1657130e2fb7SRalf Baechle default "2" if NR_CPUS_DEFAULT_2 1658130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 1659130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 1660130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 1661130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 1662130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 16631da177e4SLinus Torvalds help 16641da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 16651da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 16661da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 166772ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 166872ede9b1SAtsushi Nemoto and 2 for all others. 16691da177e4SLinus Torvalds 16701da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 167172ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 167272ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 167372ede9b1SAtsushi Nemoto power of two. 16741da177e4SLinus Torvalds 16751723b4a3SAtsushi Nemoto# 16761723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 16771723b4a3SAtsushi Nemoto# 16781723b4a3SAtsushi Nemoto 16791723b4a3SAtsushi Nemotochoice 16801723b4a3SAtsushi Nemoto prompt "Timer frequency" 16811723b4a3SAtsushi Nemoto default HZ_250 16821723b4a3SAtsushi Nemoto help 16831723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 16841723b4a3SAtsushi Nemoto 16851723b4a3SAtsushi Nemoto config HZ_48 16861723b4a3SAtsushi Nemoto bool "48 HZ" if SYS_SUPPORTS_48HZ 16871723b4a3SAtsushi Nemoto 16881723b4a3SAtsushi Nemoto config HZ_100 16891723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 16901723b4a3SAtsushi Nemoto 16911723b4a3SAtsushi Nemoto config HZ_128 16921723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 16931723b4a3SAtsushi Nemoto 16941723b4a3SAtsushi Nemoto config HZ_250 16951723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 16961723b4a3SAtsushi Nemoto 16971723b4a3SAtsushi Nemoto config HZ_256 16981723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 16991723b4a3SAtsushi Nemoto 17001723b4a3SAtsushi Nemoto config HZ_1000 17011723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 17021723b4a3SAtsushi Nemoto 17031723b4a3SAtsushi Nemoto config HZ_1024 17041723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 17051723b4a3SAtsushi Nemoto 17061723b4a3SAtsushi Nemotoendchoice 17071723b4a3SAtsushi Nemoto 17081723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 17091723b4a3SAtsushi Nemoto bool 17101723b4a3SAtsushi Nemoto 17111723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 17121723b4a3SAtsushi Nemoto bool 17131723b4a3SAtsushi Nemoto 17141723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 17151723b4a3SAtsushi Nemoto bool 17161723b4a3SAtsushi Nemoto 17171723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 17181723b4a3SAtsushi Nemoto bool 17191723b4a3SAtsushi Nemoto 17201723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 17211723b4a3SAtsushi Nemoto bool 17221723b4a3SAtsushi Nemoto 17231723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 17241723b4a3SAtsushi Nemoto bool 17251723b4a3SAtsushi Nemoto 17261723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 17271723b4a3SAtsushi Nemoto bool 17281723b4a3SAtsushi Nemoto 17291723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 17301723b4a3SAtsushi Nemoto bool 17311723b4a3SAtsushi Nemoto default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \ 17321723b4a3SAtsushi Nemoto !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \ 17331723b4a3SAtsushi Nemoto !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \ 17341723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 17351723b4a3SAtsushi Nemoto 17361723b4a3SAtsushi Nemotoconfig HZ 17371723b4a3SAtsushi Nemoto int 17381723b4a3SAtsushi Nemoto default 48 if HZ_48 17391723b4a3SAtsushi Nemoto default 100 if HZ_100 17401723b4a3SAtsushi Nemoto default 128 if HZ_128 17411723b4a3SAtsushi Nemoto default 250 if HZ_250 17421723b4a3SAtsushi Nemoto default 256 if HZ_256 17431723b4a3SAtsushi Nemoto default 1000 if HZ_1000 17441723b4a3SAtsushi Nemoto default 1024 if HZ_1024 17451723b4a3SAtsushi Nemoto 1746e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 17471da177e4SLinus Torvalds 17481da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 17491da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1750875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 17511da177e4SLinus Torvalds help 17521da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 17531da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 17541da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 17551da177e4SLinus Torvalds This will result in additional memory usage, so it is not 17561da177e4SLinus Torvalds recommended for normal users. 17571da177e4SLinus Torvalds 1758ea6e942bSAtsushi Nemotoconfig KEXEC 1759ea6e942bSAtsushi Nemoto bool "Kexec system call (EXPERIMENTAL)" 1760ea6e942bSAtsushi Nemoto depends on EXPERIMENTAL 1761ea6e942bSAtsushi Nemoto help 1762ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 1763ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 17643dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 1765ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 1766ea6e942bSAtsushi Nemoto 1767ea6e942bSAtsushi Nemoto The name comes from the similiarity to the exec system call. 1768ea6e942bSAtsushi Nemoto 1769ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 1770ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 1771ea6e942bSAtsushi Nemoto initially work for you. It may help to enable device hotplugging 1772ea6e942bSAtsushi Nemoto support. As of this writing the exact hardware interface is 1773ea6e942bSAtsushi Nemoto strongly in flux, so no good recommendation can be made. 1774ea6e942bSAtsushi Nemoto 1775ea6e942bSAtsushi Nemotoconfig SECCOMP 1776ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 1777293c5bd1SRalf Baechle depends on PROC_FS 1778ea6e942bSAtsushi Nemoto default y 1779ea6e942bSAtsushi Nemoto help 1780ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 1781ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 1782ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 1783ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 1784ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 1785ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 1786ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 1787ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 1788ea6e942bSAtsushi Nemoto defined by each seccomp mode. 1789ea6e942bSAtsushi Nemoto 1790ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 1791ea6e942bSAtsushi Nemoto 17925e83d430SRalf Baechleendmenu 17935e83d430SRalf Baechle 17941da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 17951da177e4SLinus Torvalds bool 17961da177e4SLinus Torvalds default y 17971da177e4SLinus Torvalds 17981df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 17991df0f0ffSAtsushi Nemoto bool 18001df0f0ffSAtsushi Nemoto default y 18011df0f0ffSAtsushi Nemoto 18021df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 18031df0f0ffSAtsushi Nemoto bool 18041df0f0ffSAtsushi Nemoto default y 18051df0f0ffSAtsushi Nemoto 1806b6c3539bSRalf Baechlesource "init/Kconfig" 1807b6c3539bSRalf Baechle 18081da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 18091da177e4SLinus Torvalds 18105e83d430SRalf Baechleconfig HW_HAS_EISA 18115e83d430SRalf Baechle bool 18121da177e4SLinus Torvaldsconfig HW_HAS_PCI 18131da177e4SLinus Torvalds bool 18141da177e4SLinus Torvalds 18151da177e4SLinus Torvaldsconfig PCI 18161da177e4SLinus Torvalds bool "Support for PCI controller" 18171da177e4SLinus Torvalds depends on HW_HAS_PCI 1818abb4ae46SRalf Baechle select PCI_DOMAINS 18191da177e4SLinus Torvalds help 18201da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 18211da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 18221da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 18231da177e4SLinus Torvalds say Y, otherwise N. 18241da177e4SLinus Torvalds 18251da177e4SLinus Torvalds The PCI-HOWTO, available from 18261da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 18271da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 18281da177e4SLinus Torvalds doesn't. 18291da177e4SLinus Torvalds 18301da177e4SLinus Torvaldsconfig PCI_DOMAINS 18311da177e4SLinus Torvalds bool 18321da177e4SLinus Torvalds 18331da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 18341da177e4SLinus Torvalds 18351da177e4SLinus Torvalds# 18361da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 18371da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 18381da177e4SLinus Torvalds# users to choose the right thing ... 18391da177e4SLinus Torvalds# 18401da177e4SLinus Torvaldsconfig ISA 18411da177e4SLinus Torvalds bool 18421da177e4SLinus Torvalds 18431da177e4SLinus Torvaldsconfig EISA 18441da177e4SLinus Torvalds bool "EISA support" 18455e83d430SRalf Baechle depends on HW_HAS_EISA 18461da177e4SLinus Torvalds select ISA 1847aa414dffSRalf Baechle select GENERIC_ISA_DMA 18481da177e4SLinus Torvalds ---help--- 18491da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 18501da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 18511da177e4SLinus Torvalds 18521da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 18531da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 18541da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 18551da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 18561da177e4SLinus Torvalds 18571da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 18581da177e4SLinus Torvalds 18591da177e4SLinus Torvalds Otherwise, say N. 18601da177e4SLinus Torvalds 18611da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 18621da177e4SLinus Torvalds 18631da177e4SLinus Torvaldsconfig TC 18641da177e4SLinus Torvalds bool "TURBOchannel support" 18651da177e4SLinus Torvalds depends on MACH_DECSTATION 18661da177e4SLinus Torvalds help 18671da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 18681da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 18691da177e4SLinus Torvalds is available at: 18701da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 18711da177e4SLinus Torvalds 18721da177e4SLinus Torvalds#config ACCESSBUS 18731da177e4SLinus Torvalds# bool "Access.Bus support" 18741da177e4SLinus Torvalds# depends on TC 18751da177e4SLinus Torvalds 18761da177e4SLinus Torvaldsconfig MMU 18771da177e4SLinus Torvalds bool 18781da177e4SLinus Torvalds default y 18791da177e4SLinus Torvalds 1880de61b542SRalf Baechleconfig PCSPEAKER 1881e5c6c8e4SMichael Neuling bool 1882e5c6c8e4SMichael Neuling 18831da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 18841da177e4SLinus Torvalds 18851da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 18861da177e4SLinus Torvalds 18871da177e4SLinus Torvaldsendmenu 18881da177e4SLinus Torvalds 18891da177e4SLinus Torvaldsmenu "Executable file formats" 18901da177e4SLinus Torvalds 18911da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 18921da177e4SLinus Torvalds 18931da177e4SLinus Torvaldsconfig TRAD_SIGNALS 18941da177e4SLinus Torvalds bool 18951da177e4SLinus Torvalds 18961da177e4SLinus Torvaldsconfig BINFMT_IRIX 18971da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 18985e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 18991da177e4SLinus Torvalds 19001da177e4SLinus Torvaldsconfig MIPS32_COMPAT 19011da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1902875d43e7SRalf Baechle depends on 64BIT 19031da177e4SLinus Torvalds help 19041da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 19051da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 19061da177e4SLinus Torvalds currently 32-bit you should say Y here. 19071da177e4SLinus Torvalds 19081da177e4SLinus Torvaldsconfig COMPAT 19091da177e4SLinus Torvalds bool 19101da177e4SLinus Torvalds depends on MIPS32_COMPAT 19111da177e4SLinus Torvalds default y 19121da177e4SLinus Torvalds 191305e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 191405e43966SAtsushi Nemoto bool 191505e43966SAtsushi Nemoto depends on COMPAT && SYSVIPC 191605e43966SAtsushi Nemoto default y 191705e43966SAtsushi Nemoto 19181da177e4SLinus Torvaldsconfig MIPS32_O32 19191da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 19201da177e4SLinus Torvalds depends on MIPS32_COMPAT 19211da177e4SLinus Torvalds help 19221da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 19231da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 19241da177e4SLinus Torvalds existing binaries are in this format. 19251da177e4SLinus Torvalds 19261da177e4SLinus Torvalds If unsure, say Y. 19271da177e4SLinus Torvalds 19281da177e4SLinus Torvaldsconfig MIPS32_N32 19291da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 19301da177e4SLinus Torvalds depends on MIPS32_COMPAT 19311da177e4SLinus Torvalds help 19321da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 19331da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 19341da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 19351da177e4SLinus Torvalds cases. 19361da177e4SLinus Torvalds 19371da177e4SLinus Torvalds If unsure, say N. 19381da177e4SLinus Torvalds 19391da177e4SLinus Torvaldsconfig BINFMT_ELF32 19401da177e4SLinus Torvalds bool 19411da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 19421da177e4SLinus Torvalds 19432116245eSRalf Baechleendmenu 19441da177e4SLinus Torvalds 19452116245eSRalf Baechlemenu "Power management options" 1946952fa954SRodolfo Giometti 19472116245eSRalf Baechlesource "kernel/power/Kconfig" 1948952fa954SRodolfo Giometti 19491da177e4SLinus Torvaldsendmenu 19501da177e4SLinus Torvalds 1951d5950b43SSam Ravnborgsource "net/Kconfig" 1952d5950b43SSam Ravnborg 19531da177e4SLinus Torvaldssource "drivers/Kconfig" 19541da177e4SLinus Torvalds 19551da177e4SLinus Torvaldssource "fs/Kconfig" 19561da177e4SLinus Torvalds 19575e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig" 19585e83d430SRalf Baechle 19591da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 19601da177e4SLinus Torvalds 19611da177e4SLinus Torvaldssource "security/Kconfig" 19621da177e4SLinus Torvalds 19631da177e4SLinus Torvaldssource "crypto/Kconfig" 19641da177e4SLinus Torvalds 19651da177e4SLinus Torvaldssource "lib/Kconfig" 1966