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 Torvaldssource "init/Kconfig" 101da177e4SLinus Torvalds 111da177e4SLinus Torvaldsmenu "Machine selection" 121da177e4SLinus Torvalds 135e83d430SRalf Baechlechoice 145e83d430SRalf Baechle prompt "System type" 155e83d430SRalf Baechle default SGI_IP22 161da177e4SLinus Torvalds 175e83d430SRalf Baechleconfig MIPS_MTX1 185e83d430SRalf Baechle bool "Support for 4G Systems MTX-1 board" 191da177e4SLinus Torvalds select DMA_NONCOHERENT 201da177e4SLinus Torvalds select HW_HAS_PCI 215e83d430SRalf Baechle select SOC_AU1500 22*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 235e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 241da177e4SLinus Torvalds 255e83d430SRalf Baechleconfig MIPS_BOSPORUS 265e83d430SRalf Baechle bool "AMD Alchemy Bosporus board" 275e83d430SRalf Baechle select SOC_AU1500 281da177e4SLinus Torvalds select DMA_NONCOHERENT 29*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 305e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 311da177e4SLinus Torvalds 325e83d430SRalf Baechleconfig MIPS_PB1000 335e83d430SRalf Baechle bool "AMD Alchemy PB1000 board" 345e83d430SRalf Baechle select SOC_AU1000 351da177e4SLinus Torvalds select DMA_NONCOHERENT 361da177e4SLinus Torvalds select HW_HAS_PCI 371da177e4SLinus Torvalds select SWAP_IO_SPACE 38*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 395e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 405e83d430SRalf Baechle 415e83d430SRalf Baechleconfig MIPS_PB1100 425e83d430SRalf Baechle bool "AMD Alchemy PB1100 board" 435e83d430SRalf Baechle select SOC_AU1100 445e83d430SRalf Baechle select DMA_NONCOHERENT 455e83d430SRalf Baechle select HW_HAS_PCI 465e83d430SRalf Baechle select SWAP_IO_SPACE 47*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 485e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 495e83d430SRalf Baechle 505e83d430SRalf Baechleconfig MIPS_PB1500 515e83d430SRalf Baechle bool "AMD Alchemy PB1500 board" 525e83d430SRalf Baechle select SOC_AU1500 535e83d430SRalf Baechle select DMA_NONCOHERENT 545e83d430SRalf Baechle select HW_HAS_PCI 55*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 565e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 575e83d430SRalf Baechle 585e83d430SRalf Baechleconfig MIPS_PB1550 595e83d430SRalf Baechle bool "AMD Alchemy PB1550 board" 605e83d430SRalf Baechle select SOC_AU1550 615e83d430SRalf Baechle select DMA_NONCOHERENT 625e83d430SRalf Baechle select HW_HAS_PCI 635e83d430SRalf Baechle select MIPS_DISABLE_OBSOLETE_IDE 64*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 655e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 665e83d430SRalf Baechle 675e83d430SRalf Baechleconfig MIPS_PB1200 685e83d430SRalf Baechle bool "AMD Alchemy PB1200 board" 695e83d430SRalf Baechle select SOC_AU1200 705e83d430SRalf Baechle select DMA_NONCOHERENT 715e83d430SRalf Baechle select MIPS_DISABLE_OBSOLETE_IDE 72*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 735e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 745e83d430SRalf Baechle 755e83d430SRalf Baechleconfig MIPS_DB1000 765e83d430SRalf Baechle bool "AMD Alchemy DB1000 board" 775e83d430SRalf Baechle select SOC_AU1000 785e83d430SRalf Baechle select DMA_NONCOHERENT 795e83d430SRalf Baechle select HW_HAS_PCI 80*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 815e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 825e83d430SRalf Baechle 835e83d430SRalf Baechleconfig MIPS_DB1100 845e83d430SRalf Baechle bool "AMD Alchemy DB1100 board" 855e83d430SRalf Baechle select SOC_AU1100 865e83d430SRalf Baechle select DMA_NONCOHERENT 87*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 885e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 895e83d430SRalf Baechle 905e83d430SRalf Baechleconfig MIPS_DB1500 915e83d430SRalf Baechle bool "AMD Alchemy DB1500 board" 925e83d430SRalf Baechle select SOC_AU1500 935e83d430SRalf Baechle select DMA_NONCOHERENT 945e83d430SRalf Baechle select HW_HAS_PCI 955e83d430SRalf Baechle select MIPS_DISABLE_OBSOLETE_IDE 96*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 975e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 985e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 995e83d430SRalf Baechle 1005e83d430SRalf Baechleconfig MIPS_DB1550 1015e83d430SRalf Baechle bool "AMD Alchemy DB1550 board" 1025e83d430SRalf Baechle select SOC_AU1550 1035e83d430SRalf Baechle select HW_HAS_PCI 1045e83d430SRalf Baechle select DMA_NONCOHERENT 1055e83d430SRalf Baechle select MIPS_DISABLE_OBSOLETE_IDE 106*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1075e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1085e83d430SRalf Baechle 1095e83d430SRalf Baechleconfig MIPS_DB1200 1105e83d430SRalf Baechle bool "AMD Alchemy DB1200 board" 1115e83d430SRalf Baechle select SOC_AU1200 1125e83d430SRalf Baechle select DMA_COHERENT 1135e83d430SRalf Baechle select MIPS_DISABLE_OBSOLETE_IDE 114*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1155e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1165e83d430SRalf Baechle 1175e83d430SRalf Baechleconfig MIPS_MIRAGE 1185e83d430SRalf Baechle bool "AMD Alchemy Mirage board" 1195e83d430SRalf Baechle select DMA_NONCOHERENT 1205e83d430SRalf Baechle select SOC_AU1500 121*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 1225e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvaldsconfig MIPS_COBALT 125ed5ba2fbSYoichi Yuasa bool "Support for Cobalt Server" 1261da177e4SLinus Torvalds select DMA_NONCOHERENT 1271da177e4SLinus Torvalds select HW_HAS_PCI 1281da177e4SLinus Torvalds select I8259 1291da177e4SLinus Torvalds select IRQ_CPU 1305e83d430SRalf Baechle select MIPS_GT64111 131*7cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 132ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 133ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvaldsconfig MACH_DECSTATION 1371da177e4SLinus Torvalds bool "Support for DECstations" 1381da177e4SLinus Torvalds select BOOT_ELF32 1391da177e4SLinus Torvalds select DMA_NONCOHERENT 140b6d468ecSMaciej W. Rozycki select EARLY_PRINTK 1411da177e4SLinus Torvalds select IRQ_CPU 142*7cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 143*7cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 144ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 145ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1465e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 1475e83d430SRalf Baechle help 1481da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 1491da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 1501da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 1511da177e4SLinus Torvalds 1521da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 1531da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 1541da177e4SLinus Torvalds 1551da177e4SLinus Torvalds DECstation 5000/50 1561da177e4SLinus Torvalds DECstation 5000/150 1571da177e4SLinus Torvalds DECstation 5000/260 1581da177e4SLinus Torvalds DECsystem 5900/260 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds otherwise choose R3000. 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvaldsconfig MIPS_EV64120 1631da177e4SLinus Torvalds bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)" 1641da177e4SLinus Torvalds depends on EXPERIMENTAL 1651da177e4SLinus Torvalds select DMA_NONCOHERENT 1661da177e4SLinus Torvalds select HW_HAS_PCI 1671da177e4SLinus Torvalds select MIPS_GT64120 168*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 169ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 170ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 1715e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1721da177e4SLinus Torvalds help 1731da177e4SLinus Torvalds This is an evaluation board based on the Galileo GT-64120 1741da177e4SLinus Torvalds single-chip system controller that contains a MIPS R5000 compatible 1751da177e4SLinus Torvalds core running at 75/100MHz. Their website is located at 1761da177e4SLinus Torvalds <http://www.marvell.com/>. Say Y here if you wish to build a 1771da177e4SLinus Torvalds kernel for this platform. 1781da177e4SLinus Torvalds 1791da177e4SLinus Torvaldsconfig MIPS_EV96100 1801da177e4SLinus Torvalds bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)" 1811da177e4SLinus Torvalds depends on EXPERIMENTAL 1821da177e4SLinus Torvalds select DMA_NONCOHERENT 1831da177e4SLinus Torvalds select HW_HAS_PCI 1841da177e4SLinus Torvalds select IRQ_CPU 1851da177e4SLinus Torvalds select MIPS_GT96100 1861da177e4SLinus Torvalds select RM7000_CPU_SCACHE 1871da177e4SLinus Torvalds select SWAP_IO_SPACE 188*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 189*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 190ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 1915e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 1925e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1931da177e4SLinus Torvalds help 1941da177e4SLinus Torvalds This is an evaluation board based on the Galileo GT-96100 LAN/WAN 1951da177e4SLinus Torvalds communications controllers containing a MIPS R5000 compatible core 1961da177e4SLinus Torvalds running at 83MHz. Their website is <http://www.marvell.com/>. Say Y 1971da177e4SLinus Torvalds here if you wish to build a kernel for this platform. 1981da177e4SLinus Torvalds 1991da177e4SLinus Torvaldsconfig MIPS_IVR 2001da177e4SLinus Torvalds bool "Support for Globespan IVR board" 2011da177e4SLinus Torvalds select DMA_NONCOHERENT 2021da177e4SLinus Torvalds select HW_HAS_PCI 2035e83d430SRalf Baechle select ITE_BOARD_GEN 204*7cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 205ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 206ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2075e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2081da177e4SLinus Torvalds help 2091da177e4SLinus Torvalds This is an evaluation board built by Globespan to showcase thir 2101da177e4SLinus Torvalds iVR (Internet Video Recorder) design. It utilizes a QED RM5231 2111da177e4SLinus Torvalds R5000 MIPS core. More information can be found out their website 2121da177e4SLinus Torvalds located at <http://www.globespan.net/>. Say Y here if you wish to 2131da177e4SLinus Torvalds build a kernel for this platform. 2141da177e4SLinus Torvalds 2151da177e4SLinus Torvaldsconfig MIPS_ITE8172 2161da177e4SLinus Torvalds bool "Support for ITE 8172G board" 2171da177e4SLinus Torvalds select DMA_NONCOHERENT 2181da177e4SLinus Torvalds select HW_HAS_PCI 2195e83d430SRalf Baechle select ITE_BOARD_GEN 220*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5432 221*7cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 222ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 223ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2245e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2251da177e4SLinus Torvalds help 2261da177e4SLinus Torvalds Ths is an evaluation board made by ITE <http://www.ite.com.tw/> 2271da177e4SLinus Torvalds with ATX form factor that utilizes a MIPS R5000 to work with its 2281da177e4SLinus Torvalds ITE8172G companion internet appliance chip. The MIPS core can be 2291da177e4SLinus Torvalds either a NEC Vr5432 or QED RM5231. Say Y here if you wish to build 2301da177e4SLinus Torvalds a kernel for this platform. 2311da177e4SLinus Torvalds 2325e83d430SRalf Baechleconfig MACH_JAZZ 2335e83d430SRalf Baechle bool "Support for the Jazz family of machines" 2345e83d430SRalf Baechle select ARC 2355e83d430SRalf Baechle select ARC32 2365e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2375e83d430SRalf Baechle select GENERIC_ISA_DMA 2385e83d430SRalf Baechle select I8259 2395e83d430SRalf Baechle select ISA 240*7cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2415e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2425e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2431da177e4SLinus Torvalds help 2445e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2455e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 2465e83d430SRalf Baechle Members include the Acer PICA, MIPS Magnum 4000, MIPS Millenium and 2475e83d430SRalf Baechle Olivetti M700-10 workstations. 2485e83d430SRalf Baechle 2495e83d430SRalf Baechleconfig LASAT 2505e83d430SRalf Baechle bool "Support for LASAT Networks platforms" 2515e83d430SRalf Baechle select DMA_NONCOHERENT 2525e83d430SRalf Baechle select HW_HAS_PCI 2535e83d430SRalf Baechle select MIPS_GT64120 2545e83d430SRalf Baechle select MIPS_NILE4 2555e83d430SRalf Baechle select R5000_CPU_SCACHE 256*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 2575e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2585e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 2595e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvaldsconfig MIPS_ATLAS 2621da177e4SLinus Torvalds bool "Support for MIPS Atlas board" 2631da177e4SLinus Torvalds select BOOT_ELF32 2641da177e4SLinus Torvalds select DMA_NONCOHERENT 2655e83d430SRalf Baechle select IRQ_CPU 2661da177e4SLinus Torvalds select HW_HAS_PCI 2675e83d430SRalf Baechle select MIPS_BOARDS_GEN 2685e83d430SRalf Baechle select MIPS_BONITO64 2691da177e4SLinus Torvalds select MIPS_GT64120 2705e83d430SRalf Baechle select MIPS_MSC 271f4b7cdb4SMaciej W. Rozycki select RM7000_CPU_SCACHE 2721da177e4SLinus Torvalds select SWAP_IO_SPACE 273*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 274*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 275*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 276*7cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 277*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 278ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 279ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 2805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 2815e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2821da177e4SLinus Torvalds help 283f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Atlas evaluation 2841da177e4SLinus Torvalds board. 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvaldsconfig MIPS_MALTA 2871da177e4SLinus Torvalds bool "Support for MIPS Malta board" 28861ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 2891da177e4SLinus Torvalds select BOOT_ELF32 2901da177e4SLinus Torvalds select HAVE_STD_PC_SERIAL_PORT 2911da177e4SLinus Torvalds select DMA_NONCOHERENT 292e01402b1SRalf Baechle select IRQ_CPU 2931da177e4SLinus Torvalds select GENERIC_ISA_DMA 2941da177e4SLinus Torvalds select HW_HAS_PCI 2951da177e4SLinus Torvalds select I8259 2965e83d430SRalf Baechle select MIPS_BOARDS_GEN 2975e83d430SRalf Baechle select MIPS_BONITO64 2981da177e4SLinus Torvalds select MIPS_GT64120 2995e83d430SRalf Baechle select MIPS_MSC 3001da177e4SLinus Torvalds select SWAP_IO_SPACE 301*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 302*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 303*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 304*7cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 305*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 306ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 307ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3085e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3095e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 3101da177e4SLinus Torvalds help 311f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 3121da177e4SLinus Torvalds board. 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvaldsconfig MIPS_SEAD 3151da177e4SLinus Torvalds bool "Support for MIPS SEAD board (EXPERIMENTAL)" 3161da177e4SLinus Torvalds depends on EXPERIMENTAL 3171da177e4SLinus Torvalds select IRQ_CPU 3181da177e4SLinus Torvalds select DMA_NONCOHERENT 3195e83d430SRalf Baechle select MIPS_BOARDS_GEN 320*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 321*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 322*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 323ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 3245e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 3255e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3265e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 327f638d197SMaciej W. Rozycki help 328f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies SEAD evaluation 329f638d197SMaciej W. Rozycki board. 3301da177e4SLinus Torvalds 331c78cbf49SRalf Baechleconfig MIPS_SIM 332c78cbf49SRalf Baechle bool 'Support for MIPS simulator (MIPSsim)' 333c78cbf49SRalf Baechle select DMA_NONCOHERENT 334c78cbf49SRalf Baechle select IRQ_CPU 335*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 336*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 337c78cbf49SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 338c78cbf49SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 339c78cbf49SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 340c78cbf49SRalf Baechle help 341c78cbf49SRalf Baechle This option enables support for MIPS Technologies MIPSsim software 342c78cbf49SRalf Baechle emulator. 343c78cbf49SRalf Baechle 3441da177e4SLinus Torvaldsconfig MOMENCO_JAGUAR_ATX 3451da177e4SLinus Torvalds bool "Support for Momentum Jaguar board" 3461da177e4SLinus Torvalds select BOOT_ELF32 3471da177e4SLinus Torvalds select DMA_NONCOHERENT 3481da177e4SLinus Torvalds select HW_HAS_PCI 3491da177e4SLinus Torvalds select IRQ_CPU 3501da177e4SLinus Torvalds select IRQ_CPU_RM7K 3511da177e4SLinus Torvalds select IRQ_MV64340 3521da177e4SLinus Torvalds select LIMITED_DMA 3531da177e4SLinus Torvalds select PCI_MARVELL 3541da177e4SLinus Torvalds select RM7000_CPU_SCACHE 3551da177e4SLinus Torvalds select SWAP_IO_SPACE 356*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 357ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 358ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3595e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3601da177e4SLinus Torvalds help 3611da177e4SLinus Torvalds The Jaguar ATX is a MIPS-based Single Board Computer (SBC) made by 3621da177e4SLinus Torvalds Momentum Computer <http://www.momenco.com/>. 3631da177e4SLinus Torvalds 3645e83d430SRalf Baechleconfig MOMENCO_OCELOT 3655e83d430SRalf Baechle bool "Support for Momentum Ocelot board" 3665e83d430SRalf Baechle select DMA_NONCOHERENT 3671da177e4SLinus Torvalds select HW_HAS_PCI 3681da177e4SLinus Torvalds select IRQ_CPU 3691da177e4SLinus Torvalds select IRQ_CPU_RM7K 3705e83d430SRalf Baechle select MIPS_GT64120 3715e83d430SRalf Baechle select RM7000_CPU_SCACHE 3721da177e4SLinus Torvalds select SWAP_IO_SPACE 373*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 374ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 375ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 3765e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3771da177e4SLinus Torvalds help 3785e83d430SRalf Baechle The Ocelot is a MIPS-based Single Board Computer (SBC) made by 3795e83d430SRalf Baechle Momentum Computer <http://www.momenco.com/>. 3801da177e4SLinus Torvalds 3815e83d430SRalf Baechleconfig MOMENCO_OCELOT_3 3825e83d430SRalf Baechle bool "Support for Momentum Ocelot-3 board" 3835e83d430SRalf Baechle select BOOT_ELF32 3845e83d430SRalf Baechle select DMA_NONCOHERENT 3855e83d430SRalf Baechle select HW_HAS_PCI 3865e83d430SRalf Baechle select IRQ_CPU 3875e83d430SRalf Baechle select IRQ_CPU_RM7K 3885e83d430SRalf Baechle select IRQ_MV64340 3895e83d430SRalf Baechle select PCI_MARVELL 3905e83d430SRalf Baechle select RM7000_CPU_SCACHE 3915e83d430SRalf Baechle select SWAP_IO_SPACE 392*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 3935e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 3945e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 3955e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 3965e83d430SRalf Baechle help 3975e83d430SRalf Baechle The Ocelot-3 is based off Discovery III System Controller and 3985e83d430SRalf Baechle PMC-Sierra Rm79000 core. 3995e83d430SRalf Baechle 4005e83d430SRalf Baechleconfig MOMENCO_OCELOT_C 4015e83d430SRalf Baechle bool "Support for Momentum Ocelot-C board" 4025e83d430SRalf Baechle select DMA_NONCOHERENT 4035e83d430SRalf Baechle select HW_HAS_PCI 4045e83d430SRalf Baechle select IRQ_CPU 4055e83d430SRalf Baechle select IRQ_MV64340 4065e83d430SRalf Baechle select PCI_MARVELL 4075e83d430SRalf Baechle select RM7000_CPU_SCACHE 4085e83d430SRalf Baechle select SWAP_IO_SPACE 409*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 4105e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4115e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 4125e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4135e83d430SRalf Baechle help 4145e83d430SRalf Baechle The Ocelot is a MIPS-based Single Board Computer (SBC) made by 4155e83d430SRalf Baechle Momentum Computer <http://www.momenco.com/>. 4165e83d430SRalf Baechle 4175e83d430SRalf Baechleconfig MOMENCO_OCELOT_G 4185e83d430SRalf Baechle bool "Support for Momentum Ocelot-G board" 4195e83d430SRalf Baechle select DMA_NONCOHERENT 4205e83d430SRalf Baechle select HW_HAS_PCI 4215e83d430SRalf Baechle select IRQ_CPU 4225e83d430SRalf Baechle select IRQ_CPU_RM7K 4235e83d430SRalf Baechle select PCI_MARVELL 4245e83d430SRalf Baechle select RM7000_CPU_SCACHE 4255e83d430SRalf Baechle select SWAP_IO_SPACE 426*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 4275e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4285e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 4295e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 4305e83d430SRalf Baechle help 4315e83d430SRalf Baechle The Ocelot is a MIPS-based Single Board Computer (SBC) made by 4325e83d430SRalf Baechle Momentum Computer <http://www.momenco.com/>. 4335e83d430SRalf Baechle 4345e83d430SRalf Baechleconfig MIPS_XXS1500 4355e83d430SRalf Baechle bool "Support for MyCable XXS1500 board" 4365e83d430SRalf Baechle select DMA_NONCOHERENT 4375e83d430SRalf Baechle select SOC_AU1500 4385e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4391da177e4SLinus Torvalds 440bdf21b18SPete Popovconfig PNX8550_V2PCI 441bdf21b18SPete Popov bool "Support for Philips PNX8550 based Viper2-PCI board" 442bdf21b18SPete Popov select PNX8550 443bdf21b18SPete Popov select SYS_SUPPORTS_LITTLE_ENDIAN 444bdf21b18SPete Popov 445bdf21b18SPete Popovconfig PNX8550_JBS 446bdf21b18SPete Popov bool "Support for Philips PNX8550 based JBS board" 447bdf21b18SPete Popov select PNX8550 448bdf21b18SPete Popov select SYS_SUPPORTS_LITTLE_ENDIAN 449bdf21b18SPete Popov 4501da177e4SLinus Torvaldsconfig DDB5074 4511da177e4SLinus Torvalds bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)" 4521da177e4SLinus Torvalds depends on EXPERIMENTAL 4535e83d430SRalf Baechle select DDB5XXX_COMMON 4541da177e4SLinus Torvalds select DMA_NONCOHERENT 4551da177e4SLinus Torvalds select HAVE_STD_PC_SERIAL_PORT 4561da177e4SLinus Torvalds select HW_HAS_PCI 4571da177e4SLinus Torvalds select IRQ_CPU 4581da177e4SLinus Torvalds select I8259 4591da177e4SLinus Torvalds select ISA 460*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 461ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 462ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 4635e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4645e83d430SRalf Baechle help 4655e83d430SRalf Baechle This enables support for the VR5000-based NEC DDB Vrc-5074 4665e83d430SRalf Baechle evaluation board. 4675e83d430SRalf Baechle 4685e83d430SRalf Baechleconfig DDB5476 4695e83d430SRalf Baechle bool "Support for NEC DDB Vrc-5476" 4705e83d430SRalf Baechle select DDB5XXX_COMMON 4715e83d430SRalf Baechle select DMA_NONCOHERENT 4725e83d430SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 4735e83d430SRalf Baechle select HW_HAS_PCI 4745e83d430SRalf Baechle select IRQ_CPU 4755e83d430SRalf Baechle select I8259 4765e83d430SRalf Baechle select ISA 477*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5432 4785e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 4795e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 4805e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 4811da177e4SLinus Torvalds help 4821da177e4SLinus Torvalds This enables support for the R5432-based NEC DDB Vrc-5476 4831da177e4SLinus Torvalds evaluation board. 4841da177e4SLinus Torvalds 4851da177e4SLinus Torvalds Features : kernel debugging, serial terminal, NFS root fs, on-board 4861da177e4SLinus Torvalds ether port USB, AC97, PCI, PCI VGA card & framebuffer console, 4871da177e4SLinus Torvalds IDE controller, PS2 keyboard, PS2 mouse, etc. 4881da177e4SLinus Torvalds 4891da177e4SLinus Torvaldsconfig DDB5477 4901da177e4SLinus Torvalds bool "Support for NEC DDB Vrc-5477" 4915e83d430SRalf Baechle select DDB5XXX_COMMON 4921da177e4SLinus Torvalds select DMA_NONCOHERENT 4931da177e4SLinus Torvalds select HW_HAS_PCI 4941da177e4SLinus Torvalds select I8259 4951da177e4SLinus Torvalds select IRQ_CPU 496*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5432 497ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 498ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 4995e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 5001da177e4SLinus Torvalds help 5011da177e4SLinus Torvalds This enables support for the R5432-based NEC DDB Vrc-5477, 5021da177e4SLinus Torvalds or Rockhopper/SolutionGear boards with R5432/R5500 CPUs. 5031da177e4SLinus Torvalds 5041da177e4SLinus Torvalds Features : kernel debugging, serial terminal, NFS root fs, on-board 5051da177e4SLinus Torvalds ether port USB, AC97, PCI, etc. 5061da177e4SLinus Torvalds 5075e83d430SRalf Baechleconfig MACH_VR41XX 5085e83d430SRalf Baechle bool "Support for NEC VR4100 series based machines" 509*7cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 5105e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5115e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 5125e83d430SRalf Baechle 5135e83d430SRalf Baechleconfig PMC_YOSEMITE 5145e83d430SRalf Baechle bool "Support for PMC-Sierra Yosemite eval board" 5155e83d430SRalf Baechle select DMA_COHERENT 5165e83d430SRalf Baechle select HW_HAS_PCI 5175e83d430SRalf Baechle select IRQ_CPU 5185e83d430SRalf Baechle select IRQ_CPU_RM7K 5195e83d430SRalf Baechle select IRQ_CPU_RM9K 5205e83d430SRalf Baechle select SWAP_IO_SPACE 521*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM9000 5225e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 5235e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 5245e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5255e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 5265e83d430SRalf Baechle help 5275e83d430SRalf Baechle Yosemite is an evaluation board for the RM9000x2 processor 5285e83d430SRalf Baechle manufactured by PMC-Sierra. 5291da177e4SLinus Torvalds 53007119621SRalf Baechleconfig QEMU 53107119621SRalf Baechle bool "Support for Qemu" 53207119621SRalf Baechle select DMA_COHERENT 53307119621SRalf Baechle select GENERIC_ISA_DMA 53407119621SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 53507119621SRalf Baechle select I8259 53607119621SRalf Baechle select ISA 53707119621SRalf Baechle select SWAP_IO_SPACE 538*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 53907119621SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 54007119621SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 54107119621SRalf Baechle help 54207119621SRalf Baechle Qemu is a software emulator which among other architectures also 54307119621SRalf Baechle can simulate a MIPS32 4Kc system. This patch adds support for the 54407119621SRalf Baechle system architecture that currently is being simulated by Qemu. It 54507119621SRalf Baechle will eventually be removed again when Qemu has the capability to 54607119621SRalf Baechle simulate actual MIPS hardware platforms. More information on Qemu 54707119621SRalf Baechle can be found at http://www.linux-mips.org/wiki/Qemu. 54807119621SRalf Baechle 5491da177e4SLinus Torvaldsconfig SGI_IP22 5501da177e4SLinus Torvalds bool "Support for SGI IP22 (Indy/Indigo2)" 5511da177e4SLinus Torvalds select ARC 5521da177e4SLinus Torvalds select ARC32 5531da177e4SLinus Torvalds select BOOT_ELF32 5541da177e4SLinus Torvalds select DMA_NONCOHERENT 5555e83d430SRalf Baechle select HW_HAS_EISA 5561da177e4SLinus Torvalds select IP22_CPU_SCACHE 5571da177e4SLinus Torvalds select IRQ_CPU 5581da177e4SLinus Torvalds select SWAP_IO_SPACE 559*7cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 560*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 561ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 562ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5635e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5641da177e4SLinus Torvalds help 5651da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 5661da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 5671da177e4SLinus Torvalds that runs on these, say Y here. 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvaldsconfig SGI_IP27 5701da177e4SLinus Torvalds bool "Support for SGI IP27 (Origin200/2000)" 5711da177e4SLinus Torvalds select ARC 5721da177e4SLinus Torvalds select ARC64 5735e83d430SRalf Baechle select BOOT_ELF64 5741da177e4SLinus Torvalds select DMA_IP27 5751da177e4SLinus Torvalds select HW_HAS_PCI 5761da177e4SLinus Torvalds select PCI_DOMAINS 577*7cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 578ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5795e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 5801da177e4SLinus Torvalds help 5811da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 5821da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 5831da177e4SLinus Torvalds here. 5841da177e4SLinus Torvalds 5851da177e4SLinus Torvaldsconfig SGI_IP32 5861da177e4SLinus Torvalds bool "Support for SGI IP32 (O2) (EXPERIMENTAL)" 587ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 5881da177e4SLinus Torvalds select ARC 5891da177e4SLinus Torvalds select ARC32 5901da177e4SLinus Torvalds select BOOT_ELF32 5911da177e4SLinus Torvalds select OWN_DMA 5921da177e4SLinus Torvalds select DMA_IP32 5931da177e4SLinus Torvalds select DMA_NONCOHERENT 5941da177e4SLinus Torvalds select HW_HAS_PCI 5951da177e4SLinus Torvalds select R5000_CPU_SCACHE 5961da177e4SLinus Torvalds select RM7000_CPU_SCACHE 597*7cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 598*7cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 599*7cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 600ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6015e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6021da177e4SLinus Torvalds help 6031da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6041da177e4SLinus Torvalds 6059a6dcea1SAndrew Isaacsonconfig SIBYTE_BIGSUR 6069a6dcea1SAndrew Isaacson bool "Support for Sibyte BigSur" 6079a6dcea1SAndrew Isaacson select BOOT_ELF32 6089a6dcea1SAndrew Isaacson select DMA_COHERENT 609*7cf8053bSRalf Baechle select PCI_DOMAINS 6109a6dcea1SAndrew Isaacson select SIBYTE_BCM1x80 6119a6dcea1SAndrew Isaacson select SWAP_IO_SPACE 612*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6139a6dcea1SAndrew Isaacson select SYS_SUPPORTS_BIG_ENDIAN 6149a6dcea1SAndrew Isaacson select SYS_SUPPORTS_LITTLE_ENDIAN 6159a6dcea1SAndrew Isaacson 6165e83d430SRalf Baechleconfig SIBYTE_SWARM 6175e83d430SRalf Baechle bool "Support for Sibyte BCM91250A-SWARM" 6185e83d430SRalf Baechle select BOOT_ELF32 6195e83d430SRalf Baechle select DMA_COHERENT 6205e83d430SRalf Baechle select SIBYTE_SB1250 6215e83d430SRalf Baechle select SWAP_IO_SPACE 622*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6245e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6255e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 626e3ad1c23SPete Popov 6275e83d430SRalf Baechleconfig SIBYTE_SENTOSA 6285e83d430SRalf Baechle bool "Support for Sibyte BCM91250E-Sentosa" 6295e83d430SRalf Baechle depends on EXPERIMENTAL 6305e83d430SRalf Baechle select BOOT_ELF32 6315e83d430SRalf Baechle select DMA_COHERENT 6325e83d430SRalf Baechle select SIBYTE_SB1250 6335e83d430SRalf Baechle select SWAP_IO_SPACE 634*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6355e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6365e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6375e83d430SRalf Baechle 6385e83d430SRalf Baechleconfig SIBYTE_RHONE 6395e83d430SRalf Baechle bool "Support for Sibyte BCM91125E-Rhone" 6405e83d430SRalf Baechle depends on EXPERIMENTAL 6415e83d430SRalf Baechle select BOOT_ELF32 6425e83d430SRalf Baechle select DMA_COHERENT 6435e83d430SRalf Baechle select SIBYTE_BCM1125H 6445e83d430SRalf Baechle select SWAP_IO_SPACE 645*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6465e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6475e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6485e83d430SRalf Baechle 6495e83d430SRalf Baechleconfig SIBYTE_CARMEL 6505e83d430SRalf Baechle bool "Support for Sibyte BCM91120x-Carmel" 6515e83d430SRalf Baechle depends on EXPERIMENTAL 6525e83d430SRalf Baechle select BOOT_ELF32 6535e83d430SRalf Baechle select DMA_COHERENT 6545e83d430SRalf Baechle select SIBYTE_BCM1120 6555e83d430SRalf Baechle select SWAP_IO_SPACE 656*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6575e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6585e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6595e83d430SRalf Baechle 6605e83d430SRalf Baechleconfig SIBYTE_PTSWARM 6615e83d430SRalf Baechle bool "Support for Sibyte BCM91250PT-PTSWARM" 6625e83d430SRalf Baechle depends on EXPERIMENTAL 6635e83d430SRalf Baechle select BOOT_ELF32 6645e83d430SRalf Baechle select DMA_COHERENT 6655e83d430SRalf Baechle select SIBYTE_SB1250 6665e83d430SRalf Baechle select SWAP_IO_SPACE 667*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6685e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6695e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6705e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6715e83d430SRalf Baechle 6725e83d430SRalf Baechleconfig SIBYTE_LITTLESUR 6735e83d430SRalf Baechle bool "Support for Sibyte BCM91250C2-LittleSur" 6745e83d430SRalf Baechle depends on EXPERIMENTAL 6755e83d430SRalf Baechle select BOOT_ELF32 6765e83d430SRalf Baechle select DMA_COHERENT 6775e83d430SRalf Baechle select SIBYTE_SB1250 6785e83d430SRalf Baechle select SWAP_IO_SPACE 679*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6815e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 6825e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6835e83d430SRalf Baechle 6845e83d430SRalf Baechleconfig SIBYTE_CRHINE 6855e83d430SRalf Baechle bool "Support for Sibyte BCM91120C-CRhine" 6865e83d430SRalf Baechle depends on EXPERIMENTAL 6875e83d430SRalf Baechle select BOOT_ELF32 6885e83d430SRalf Baechle select DMA_COHERENT 6895e83d430SRalf Baechle select SIBYTE_BCM1120 6905e83d430SRalf Baechle select SWAP_IO_SPACE 691*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6925e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6935e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6945e83d430SRalf Baechle 6955e83d430SRalf Baechleconfig SIBYTE_CRHONE 6965e83d430SRalf Baechle bool "Support for Sibyte BCM91125C-CRhone" 6975e83d430SRalf Baechle depends on EXPERIMENTAL 6985e83d430SRalf Baechle select BOOT_ELF32 6995e83d430SRalf Baechle select DMA_COHERENT 7005e83d430SRalf Baechle select SIBYTE_BCM1125 7015e83d430SRalf Baechle select SWAP_IO_SPACE 702*7cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7035e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7045e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7055e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7065e83d430SRalf Baechle 7075e83d430SRalf Baechleconfig SNI_RM200_PCI 7085e83d430SRalf Baechle bool "Support for SNI RM200 PCI" 7095e83d430SRalf Baechle select ARC 7105e83d430SRalf Baechle select ARC32 7115e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7125e83d430SRalf Baechle select BOOT_ELF32 7135e83d430SRalf Baechle select DMA_NONCOHERENT 7145e83d430SRalf Baechle select GENERIC_ISA_DMA 7155e83d430SRalf Baechle select HAVE_STD_PC_SERIAL_PORT 7165e83d430SRalf Baechle select HW_HAS_EISA 7175e83d430SRalf Baechle select HW_HAS_PCI 7185e83d430SRalf Baechle select I8259 7195e83d430SRalf Baechle select ISA 720*7cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 721ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7225e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL 7235e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN if EXPERIMENTAL 7245e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7255e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7261da177e4SLinus Torvalds help 7275e83d430SRalf Baechle The SNI RM200 PCI was a MIPS-based platform manufactured by Siemens 7285e83d430SRalf Baechle Nixdorf Informationssysteme (SNI), parent company of Pyramid 7295e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 7305e83d430SRalf Baechle support this machine type. 7311da177e4SLinus Torvalds 7325e83d430SRalf Baechleconfig TOSHIBA_JMR3927 7335e83d430SRalf Baechle bool "Support for Toshiba JMR-TX3927 board" 7345e83d430SRalf Baechle select DMA_NONCOHERENT 7355e83d430SRalf Baechle select HW_HAS_PCI 7365e83d430SRalf Baechle select MIPS_TX3927 7375e83d430SRalf Baechle select SWAP_IO_SPACE 738*7cf8053bSRalf Baechle select SYS_HAS_CPU_TX39XX 7395e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 7405e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7415e83d430SRalf Baechle select TOSHIBA_BOARDS 7425e83d430SRalf Baechle 7435e83d430SRalf Baechleconfig TOSHIBA_RBTX4927 7445e83d430SRalf Baechle bool "Support for Toshiba TBTX49[23]7 board" 7455e83d430SRalf Baechle select DMA_NONCOHERENT 7465e83d430SRalf Baechle select HAS_TXX9_SERIAL 7475e83d430SRalf Baechle select HW_HAS_PCI 7485e83d430SRalf Baechle select I8259 7495e83d430SRalf Baechle select ISA 7505e83d430SRalf Baechle select SWAP_IO_SPACE 751*7cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 7525e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 7535e83d430SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 7545e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7555e83d430SRalf Baechle select TOSHIBA_BOARDS 7565e83d430SRalf Baechle help 7575e83d430SRalf Baechle This Toshiba board is based on the TX4927 processor. Say Y here to 7585e83d430SRalf Baechle support this machine type 7591da177e4SLinus Torvalds 76023fbee9dSRalf Baechleconfig TOSHIBA_RBTX4938 76123fbee9dSRalf Baechle bool "Support for Toshiba RBTX4938 board" 76223fbee9dSRalf Baechle select HAVE_STD_PC_SERIAL_PORT 76323fbee9dSRalf Baechle select DMA_NONCOHERENT 76423fbee9dSRalf Baechle select GENERIC_ISA_DMA 76523fbee9dSRalf Baechle select HAS_TXX9_SERIAL 76623fbee9dSRalf Baechle select HW_HAS_PCI 76723fbee9dSRalf Baechle select I8259 76823fbee9dSRalf Baechle select ISA 76923fbee9dSRalf Baechle select SWAP_IO_SPACE 770*7cf8053bSRalf Baechle select SYS_HAS_CPU_TX49XX 77123fbee9dSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 77223fbee9dSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 77323fbee9dSRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 77423fbee9dSRalf Baechle select TOSHIBA_BOARDS 77523fbee9dSRalf Baechle help 77623fbee9dSRalf Baechle This Toshiba board is based on the TX4938 processor. Say Y here to 77723fbee9dSRalf Baechle support this machine type 77823fbee9dSRalf Baechle 7791da177e4SLinus Torvaldsendchoice 7801da177e4SLinus Torvalds 7815e83d430SRalf Baechlesource "arch/mips/ddb5xxx/Kconfig" 7825e83d430SRalf Baechlesource "arch/mips/gt64120/ev64120/Kconfig" 7835e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 7845e83d430SRalf Baechlesource "arch/mips/ite-boards/Kconfig" 7855e83d430SRalf Baechlesource "arch/mips/lasat/Kconfig" 7865e83d430SRalf Baechlesource "arch/mips/momentum/Kconfig" 7875e83d430SRalf Baechlesource "arch/mips/pmc-sierra/Kconfig" 78829c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 78938b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 7905e83d430SRalf Baechlesource "arch/mips/tx4927/Kconfig" 79123fbee9dSRalf Baechlesource "arch/mips/tx4938/Kconfig" 7925e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 793bdf21b18SPete Popovsource "arch/mips/philips/pnx8550/common/Kconfig" 79438b18f72SRalf Baechle 7955e83d430SRalf Baechleendmenu 7965e83d430SRalf Baechle 7971da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 7981da177e4SLinus Torvalds bool 7991da177e4SLinus Torvalds default y 8001da177e4SLinus Torvalds 8011da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 8021da177e4SLinus Torvalds bool 8031da177e4SLinus Torvalds 8041da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 8051da177e4SLinus Torvalds bool 8061da177e4SLinus Torvalds default y 8071da177e4SLinus Torvalds 8081da177e4SLinus Torvalds# 8091da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 8101da177e4SLinus Torvalds# 8111da177e4SLinus Torvaldsconfig ARC 8121da177e4SLinus Torvalds bool 8131da177e4SLinus Torvalds 81461ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 81561ed242dSRalf Baechle bool 81661ed242dSRalf Baechle 8171da177e4SLinus Torvaldsconfig DMA_COHERENT 8181da177e4SLinus Torvalds bool 8191da177e4SLinus Torvalds 8201da177e4SLinus Torvaldsconfig DMA_IP27 8211da177e4SLinus Torvalds bool 8221da177e4SLinus Torvalds 8234ce588cdSRalf Baechleconfig DMA_IP32 8244ce588cdSRalf Baechle bool 8254ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8264ce588cdSRalf Baechle 8271da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 8281da177e4SLinus Torvalds bool 8294ce588cdSRalf Baechle select DMA_NEED_PCI_MAP_STATE 8304ce588cdSRalf Baechle 8314ce588cdSRalf Baechleconfig DMA_NEED_PCI_MAP_STATE 8324ce588cdSRalf Baechle bool 8331da177e4SLinus Torvalds 8345e83d430SRalf Baechleconfig OWN_DMA 8355e83d430SRalf Baechle bool 8365e83d430SRalf Baechle 8371da177e4SLinus Torvaldsconfig EARLY_PRINTK 8381da177e4SLinus Torvalds bool 8391da177e4SLinus Torvalds 8401da177e4SLinus Torvaldsconfig GENERIC_ISA_DMA 8411da177e4SLinus Torvalds bool 8421da177e4SLinus Torvalds 8431da177e4SLinus Torvaldsconfig I8259 8441da177e4SLinus Torvalds bool 8451da177e4SLinus Torvalds 8461da177e4SLinus Torvaldsconfig LIMITED_DMA 8471da177e4SLinus Torvalds bool 8481da177e4SLinus Torvalds select HIGHMEM 849797798c1SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8501da177e4SLinus Torvalds 8511da177e4SLinus Torvaldsconfig MIPS_BONITO64 8521da177e4SLinus Torvalds bool 8531da177e4SLinus Torvalds 8541da177e4SLinus Torvaldsconfig MIPS_MSC 8551da177e4SLinus Torvalds bool 8561da177e4SLinus Torvalds 8571da177e4SLinus Torvaldsconfig MIPS_NILE4 8581da177e4SLinus Torvalds bool 8591da177e4SLinus Torvalds 8601da177e4SLinus Torvaldsconfig MIPS_DISABLE_OBSOLETE_IDE 8611da177e4SLinus Torvalds bool 8621da177e4SLinus Torvalds 8635e83d430SRalf Baechle# 8645e83d430SRalf Baechle# Endianess selection. Suffiently obscure so many users don't know what to 8655e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 8665e83d430SRalf Baechle# choice statement should be more obvious to the user. 8675e83d430SRalf Baechle# 8685e83d430SRalf Baechlechoice 8695e83d430SRalf Baechle prompt "Endianess selection" 8701da177e4SLinus Torvalds help 8711da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 8725e83d430SRalf Baechle byte order. These modes require different kernels and a different 8735e83d430SRalf Baechle Linux distribution. In general there is one prefered byteorder for a 8745e83d430SRalf Baechle particular system but some systems are just as commonly used in the 8755e83d430SRalf Baechle one or the other endianess. 8765e83d430SRalf Baechle 8775e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 8785e83d430SRalf Baechle bool "Big endian" 8795e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 8805e83d430SRalf Baechle 8815e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 8825e83d430SRalf Baechle bool "Little endian" 8835e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 8845e83d430SRalf Baechle help 8855e83d430SRalf Baechle 8865e83d430SRalf Baechleendchoice 8875e83d430SRalf Baechle 8885e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 8895e83d430SRalf Baechle bool 8905e83d430SRalf Baechle 8915e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 8925e83d430SRalf Baechle bool 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvaldsconfig IRQ_CPU 8951da177e4SLinus Torvalds bool 8961da177e4SLinus Torvalds 8971da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 8981da177e4SLinus Torvalds bool 8991da177e4SLinus Torvalds 9005e83d430SRalf Baechleconfig IRQ_CPU_RM9K 9015e83d430SRalf Baechle bool 9025e83d430SRalf Baechle 9031da177e4SLinus Torvaldsconfig IRQ_MV64340 9041da177e4SLinus Torvalds bool 9051da177e4SLinus Torvalds 9061da177e4SLinus Torvaldsconfig DDB5XXX_COMMON 9071da177e4SLinus Torvalds bool 9081da177e4SLinus Torvalds 9091da177e4SLinus Torvaldsconfig MIPS_BOARDS_GEN 9101da177e4SLinus Torvalds bool 9111da177e4SLinus Torvalds 9121da177e4SLinus Torvaldsconfig MIPS_GT64111 9131da177e4SLinus Torvalds bool 9141da177e4SLinus Torvalds 9151da177e4SLinus Torvaldsconfig MIPS_GT64120 9161da177e4SLinus Torvalds bool 9171da177e4SLinus Torvalds 9181da177e4SLinus Torvaldsconfig MIPS_TX3927 9191da177e4SLinus Torvalds bool 9201da177e4SLinus Torvalds select HAS_TXX9_SERIAL 9211da177e4SLinus Torvalds 9221da177e4SLinus Torvaldsconfig PCI_MARVELL 9231da177e4SLinus Torvalds bool 9241da177e4SLinus Torvalds 9251da177e4SLinus Torvaldsconfig ITE_BOARD_GEN 9261da177e4SLinus Torvalds bool 9275e83d430SRalf Baechle 9285e83d430SRalf Baechleconfig SOC_AU1000 9295e83d430SRalf Baechle bool 9305e83d430SRalf Baechle select SOC_AU1X00 9315e83d430SRalf Baechle 9325e83d430SRalf Baechleconfig SOC_AU1100 9335e83d430SRalf Baechle bool 9345e83d430SRalf Baechle select SOC_AU1X00 9355e83d430SRalf Baechle 9365e83d430SRalf Baechleconfig SOC_AU1500 9375e83d430SRalf Baechle bool 9385e83d430SRalf Baechle select SOC_AU1X00 9395e83d430SRalf Baechle 9405e83d430SRalf Baechleconfig SOC_AU1550 9415e83d430SRalf Baechle bool 9425e83d430SRalf Baechle select SOC_AU1X00 9435e83d430SRalf Baechle 9445e83d430SRalf Baechleconfig SOC_AU1200 9455e83d430SRalf Baechle bool 9465e83d430SRalf Baechle select SOC_AU1X00 9475e83d430SRalf Baechle 9485e83d430SRalf Baechleconfig SOC_AU1X00 9495e83d430SRalf Baechle bool 950*7cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 9515e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 9521da177e4SLinus Torvalds 953bdf21b18SPete Popovconfig PNX8550 954bdf21b18SPete Popov bool 955bdf21b18SPete Popov select SOC_PNX8550 956bdf21b18SPete Popov 957bdf21b18SPete Popovconfig SOC_PNX8550 958bdf21b18SPete Popov bool 959bdf21b18SPete Popov select DMA_NONCOHERENT 960bdf21b18SPete Popov select HW_HAS_PCI 961*7cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 962*7cf8053bSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 963bdf21b18SPete Popov 9641da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 9651da177e4SLinus Torvalds bool 9661da177e4SLinus Torvalds 9671da177e4SLinus Torvalds# 9681da177e4SLinus Torvalds# Unfortunately not all GT64120 systems run the chip at the same clock. 9691da177e4SLinus Torvalds# As the user for the clock rate and try to minimize the available options. 9701da177e4SLinus Torvalds# 9711da177e4SLinus Torvaldschoice 9721da177e4SLinus Torvalds prompt "Galileo Chip Clock" 9731da177e4SLinus Torvalds #default SYSCLK_83 if MIPS_EV64120 9741da177e4SLinus Torvalds depends on MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 9751da177e4SLinus Torvalds default SYSCLK_83 if MIPS_EV64120 9761da177e4SLinus Torvalds default SYSCLK_100 if MOMENCO_OCELOT || MOMENCO_OCELOT_G 9771da177e4SLinus Torvalds 9781da177e4SLinus Torvaldsconfig SYSCLK_75 9791da177e4SLinus Torvalds bool "75" if MIPS_EV64120 9801da177e4SLinus Torvalds 9811da177e4SLinus Torvaldsconfig SYSCLK_83 9821da177e4SLinus Torvalds bool "83.3" if MIPS_EV64120 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvaldsconfig SYSCLK_100 9851da177e4SLinus Torvalds bool "100" if MIPS_EV64120 || MOMENCO_OCELOT || MOMENCO_OCELOT_G 9861da177e4SLinus Torvalds 9871da177e4SLinus Torvaldsendchoice 9881da177e4SLinus Torvalds 9895e83d430SRalf Baechleconfig ARC32 9905e83d430SRalf Baechle bool 9915e83d430SRalf Baechle 9921da177e4SLinus Torvaldsconfig AU1X00_USB_DEVICE 9931da177e4SLinus Torvalds bool 9941da177e4SLinus Torvalds depends on MIPS_PB1500 || MIPS_PB1100 || MIPS_PB1000 9951da177e4SLinus Torvalds default n 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvaldsconfig MIPS_GT96100 9981da177e4SLinus Torvalds bool 9995e83d430SRalf Baechle select MIPS_GT64120 10001da177e4SLinus Torvalds 10011da177e4SLinus Torvaldsconfig IT8172_CIR 10021da177e4SLinus Torvalds bool 10031da177e4SLinus Torvalds depends on MIPS_ITE8172 || MIPS_IVR 10041da177e4SLinus Torvalds default y 10051da177e4SLinus Torvalds 10061da177e4SLinus Torvaldsconfig IT8712 10071da177e4SLinus Torvalds bool 10081da177e4SLinus Torvalds depends on MIPS_ITE8172 10091da177e4SLinus Torvalds default y 10101da177e4SLinus Torvalds 10111da177e4SLinus Torvaldsconfig BOOT_ELF32 10121da177e4SLinus Torvalds bool 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 10151da177e4SLinus Torvalds int 10161da177e4SLinus Torvalds default "4" if MACH_DECSTATION 10171da177e4SLinus Torvalds default "7" if SGI_IP27 10181da177e4SLinus Torvalds default "5" 10191da177e4SLinus Torvalds 10201da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 10211da177e4SLinus Torvalds bool 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvaldsconfig ARC_CONSOLE 10241da177e4SLinus Torvalds bool "ARC console support" 10251da177e4SLinus Torvalds depends on SGI_IP22 || SNI_RM200_PCI 10261da177e4SLinus Torvalds 10271da177e4SLinus Torvaldsconfig ARC_MEMORY 10281da177e4SLinus Torvalds bool 10291da177e4SLinus Torvalds depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP32 10301da177e4SLinus Torvalds default y 10311da177e4SLinus Torvalds 10321da177e4SLinus Torvaldsconfig ARC_PROMLIB 10331da177e4SLinus Torvalds bool 10341da177e4SLinus Torvalds depends on MACH_JAZZ || SNI_RM200_PCI || SGI_IP22 || SGI_IP32 10351da177e4SLinus Torvalds default y 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvaldsconfig ARC64 10381da177e4SLinus Torvalds bool 10391da177e4SLinus Torvalds 10401da177e4SLinus Torvaldsconfig BOOT_ELF64 10411da177e4SLinus Torvalds bool 10421da177e4SLinus Torvalds 10431da177e4SLinus Torvaldsconfig TOSHIBA_BOARDS 10441da177e4SLinus Torvalds bool 10451da177e4SLinus Torvalds 10461da177e4SLinus Torvaldsmenu "CPU selection" 10471da177e4SLinus Torvalds 10481da177e4SLinus Torvaldschoice 10491da177e4SLinus Torvalds prompt "CPU type" 10501da177e4SLinus Torvalds default CPU_R4X00 10511da177e4SLinus Torvalds 10526e760c8dSRalf Baechleconfig CPU_MIPS32_R1 10536e760c8dSRalf Baechle bool "MIPS32 Release 1" 1054*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 10556e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1056797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10576e760c8dSRalf Baechle help 10585e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 10591e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10601e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10611e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 10621e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10631e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 10641e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 10651e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 10661e5f1caaSRalf Baechle performance. 10671e5f1caaSRalf Baechle 10681e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 10691e5f1caaSRalf Baechle bool "MIPS32 Release 2" 1070*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 10711e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1072797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 10731e5f1caaSRalf Baechle help 10745e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 10756e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 10766e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 10776e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10786e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 10791da177e4SLinus Torvalds 10806e760c8dSRalf Baechleconfig CPU_MIPS64_R1 10816e760c8dSRalf Baechle bool "MIPS64 Release 1" 1082*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1083797798c1SRalf Baechle select CPU_HAS_PREFETCH 1084ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1085ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 10866e760c8dSRalf Baechle help 10876e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 10886e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 10896e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 10906e760c8dSRalf Baechle specific type of processor in your system, choose those that one 10916e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 10921e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 10931e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 10941e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 10951e5f1caaSRalf Baechle performance. 10961e5f1caaSRalf Baechle 10971e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 10981e5f1caaSRalf Baechle bool "MIPS64 Release 2" 1099*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1100797798c1SRalf Baechle select CPU_HAS_PREFETCH 11011e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11021e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11031e5f1caaSRalf Baechle help 11041e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 11051e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 11061e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 11071e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 11081e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 11091da177e4SLinus Torvalds 11101da177e4SLinus Torvaldsconfig CPU_R3000 11111da177e4SLinus Torvalds bool "R3000" 1112*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1113ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1114797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 11151da177e4SLinus Torvalds help 11161da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 11171da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 11181da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 11191da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 11201da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 11211da177e4SLinus Torvalds try to recompile with R3000. 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvaldsconfig CPU_TX39XX 11241da177e4SLinus Torvalds bool "R39XX" 1125*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1126ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11271da177e4SLinus Torvalds 11281da177e4SLinus Torvaldsconfig CPU_VR41XX 11291da177e4SLinus Torvalds bool "R41xx" 1130*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1131ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1132ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11331da177e4SLinus Torvalds help 11345e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 11351da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 11361da177e4SLinus Torvalds kernel built with this option will not run on any other type of 11371da177e4SLinus Torvalds processor or vice versa. 11381da177e4SLinus Torvalds 11391da177e4SLinus Torvaldsconfig CPU_R4300 11401da177e4SLinus Torvalds bool "R4300" 1141*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1142ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1143ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11441da177e4SLinus Torvalds help 11451da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 11461da177e4SLinus Torvalds 11471da177e4SLinus Torvaldsconfig CPU_R4X00 11481da177e4SLinus Torvalds bool "R4x00" 1149*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1150ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1151ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11521da177e4SLinus Torvalds help 11531da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 11541da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 11551da177e4SLinus Torvalds 11561da177e4SLinus Torvaldsconfig CPU_TX49XX 11571da177e4SLinus Torvalds bool "R49XX" 1158*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1159ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1160ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11611da177e4SLinus Torvalds 11621da177e4SLinus Torvaldsconfig CPU_R5000 11631da177e4SLinus Torvalds bool "R5000" 1164*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1165ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1166ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11671da177e4SLinus Torvalds help 11681da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 11691da177e4SLinus Torvalds 11701da177e4SLinus Torvaldsconfig CPU_R5432 11711da177e4SLinus Torvalds bool "R5432" 1172*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 11735e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 11745e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 11751da177e4SLinus Torvalds 11761da177e4SLinus Torvaldsconfig CPU_R6000 11771da177e4SLinus Torvalds bool "R6000" 1178ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1179*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1180ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 11811da177e4SLinus Torvalds help 11821da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 11831da177e4SLinus Torvalds processors are extremly rare and the support for them is incomplete. 11841da177e4SLinus Torvalds 11851da177e4SLinus Torvaldsconfig CPU_NEVADA 11861da177e4SLinus Torvalds bool "RM52xx" 1187*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1188ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1189ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11901da177e4SLinus Torvalds help 11911da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 11921da177e4SLinus Torvalds 11931da177e4SLinus Torvaldsconfig CPU_R8000 11941da177e4SLinus Torvalds bool "R8000" 1195ed5ba2fbSYoichi Yuasa depends on EXPERIMENTAL 1196*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 11975e83d430SRalf Baechle select CPU_HAS_PREFETCH 1198ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 11991da177e4SLinus Torvalds help 12001da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 12011da177e4SLinus Torvalds uncommon and the support for them is incomplete. 12021da177e4SLinus Torvalds 12031da177e4SLinus Torvaldsconfig CPU_R10000 12041da177e4SLinus Torvalds bool "R10000" 1205*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 12065e83d430SRalf Baechle select CPU_HAS_PREFETCH 1207ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1208ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1209797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12101da177e4SLinus Torvalds help 12111da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 12121da177e4SLinus Torvalds 12131da177e4SLinus Torvaldsconfig CPU_RM7000 12141da177e4SLinus Torvalds bool "RM7000" 1215*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 12165e83d430SRalf Baechle select CPU_HAS_PREFETCH 1217ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1218ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1219797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12201da177e4SLinus Torvalds 12211da177e4SLinus Torvaldsconfig CPU_RM9000 12221da177e4SLinus Torvalds bool "RM9000" 1223*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM9000 12245e83d430SRalf Baechle select CPU_HAS_PREFETCH 1225ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1226ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1227797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12281da177e4SLinus Torvalds 12291da177e4SLinus Torvaldsconfig CPU_SB1 12301da177e4SLinus Torvalds bool "SB1" 1231*7cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1232ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1233ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1234797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 12351da177e4SLinus Torvalds 12361da177e4SLinus Torvaldsendchoice 12371da177e4SLinus Torvalds 1238*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 1239*7cf8053bSRalf Baechle bool 1240*7cf8053bSRalf Baechle 1241*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 1242*7cf8053bSRalf Baechle bool 1243*7cf8053bSRalf Baechle 1244*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 1245*7cf8053bSRalf Baechle bool 1246*7cf8053bSRalf Baechle 1247*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 1248*7cf8053bSRalf Baechle bool 1249*7cf8053bSRalf Baechle 1250*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 1251*7cf8053bSRalf Baechle bool 1252*7cf8053bSRalf Baechle 1253*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 1254*7cf8053bSRalf Baechle bool 1255*7cf8053bSRalf Baechle 1256*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 1257*7cf8053bSRalf Baechle bool 1258*7cf8053bSRalf Baechle 1259*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 1260*7cf8053bSRalf Baechle bool 1261*7cf8053bSRalf Baechle 1262*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 1263*7cf8053bSRalf Baechle bool 1264*7cf8053bSRalf Baechle 1265*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 1266*7cf8053bSRalf Baechle bool 1267*7cf8053bSRalf Baechle 1268*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 1269*7cf8053bSRalf Baechle bool 1270*7cf8053bSRalf Baechle 1271*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 1272*7cf8053bSRalf Baechle bool 1273*7cf8053bSRalf Baechle 1274*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 1275*7cf8053bSRalf Baechle bool 1276*7cf8053bSRalf Baechle 1277*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 1278*7cf8053bSRalf Baechle bool 1279*7cf8053bSRalf Baechle 1280*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 1281*7cf8053bSRalf Baechle bool 1282*7cf8053bSRalf Baechle 1283*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 1284*7cf8053bSRalf Baechle bool 1285*7cf8053bSRalf Baechle 1286*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 1287*7cf8053bSRalf Baechle bool 1288*7cf8053bSRalf Baechle 1289*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM9000 1290*7cf8053bSRalf Baechle bool 1291*7cf8053bSRalf Baechle 1292*7cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 1293*7cf8053bSRalf Baechle bool 1294*7cf8053bSRalf Baechle 12955e83d430SRalf Baechleendmenu 12965e83d430SRalf Baechle 12975e83d430SRalf Baechle# 12985e83d430SRalf Baechle# These two indicate any levelof the MIPS32 and MIPS64 architecture 12995e83d430SRalf Baechle# 13005e83d430SRalf Baechleconfig CPU_MIPS32 13015e83d430SRalf Baechle bool 13025e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 13035e83d430SRalf Baechle 13045e83d430SRalf Baechleconfig CPU_MIPS64 13055e83d430SRalf Baechle bool 13065e83d430SRalf Baechle default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 13075e83d430SRalf Baechle 13085e83d430SRalf Baechle# 13095e83d430SRalf Baechle# These two indicate the revision of the architecture, either 32 bot 64 bit. 13105e83d430SRalf Baechle# 13115e83d430SRalf Baechleconfig CPU_MIPSR1 13125e83d430SRalf Baechle bool 13135e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 13145e83d430SRalf Baechle 13155e83d430SRalf Baechleconfig CPU_MIPSR2 13165e83d430SRalf Baechle bool 13175e83d430SRalf Baechle default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 13185e83d430SRalf Baechle 13195e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 13205e83d430SRalf Baechle bool 13215e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 13225e83d430SRalf Baechle bool 13235e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 13245e83d430SRalf Baechle bool 13255e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 13265e83d430SRalf Baechle bool 13275e83d430SRalf Baechle 13285e83d430SRalf Baechlemenu "Kernel type" 13295e83d430SRalf Baechle 13305e83d430SRalf Baechlechoice 13315e83d430SRalf Baechle 13325e83d430SRalf Baechle prompt "Kernel code model" 13335e83d430SRalf Baechle help 13345e83d430SRalf Baechle You should only select this option if you have a workload that 13355e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 13365e83d430SRalf Baechle large memory. You will only be presented a single option in this 13375e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 13385e83d430SRalf Baechle 13395e83d430SRalf Baechleconfig 32BIT 13405e83d430SRalf Baechle bool "32-bit kernel" 13415e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 13425e83d430SRalf Baechle select TRAD_SIGNALS 13435e83d430SRalf Baechle help 13445e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 13455e83d430SRalf Baechleconfig 64BIT 13465e83d430SRalf Baechle bool "64-bit kernel" 13475e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 13485e83d430SRalf Baechle help 13495e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 13505e83d430SRalf Baechle 13515e83d430SRalf Baechleendchoice 13525e83d430SRalf Baechle 13531da177e4SLinus Torvaldschoice 13541da177e4SLinus Torvalds prompt "Kernel page size" 13551da177e4SLinus Torvalds default PAGE_SIZE_4KB 13561da177e4SLinus Torvalds 13571da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 13581da177e4SLinus Torvalds bool "4kB" 13591da177e4SLinus Torvalds help 13601da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 13611da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 13621da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 13631da177e4SLinus Torvalds recommended for low memory systems. 13641da177e4SLinus Torvalds 13651da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 13661da177e4SLinus Torvalds bool "8kB" 13671da177e4SLinus Torvalds depends on EXPERIMENTAL && CPU_R8000 13681da177e4SLinus Torvalds help 13691da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 13701da177e4SLinus Torvalds the price of higher memory consumption. This option is available 13711da177e4SLinus Torvalds only on the R8000 processor. Not that at the time of this writing 13721da177e4SLinus Torvalds this option is still high experimental; there are also issues with 13731da177e4SLinus Torvalds compatibility of user applications. 13741da177e4SLinus Torvalds 13751da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 13761da177e4SLinus Torvalds bool "16kB" 13771da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13781da177e4SLinus Torvalds help 13791da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 13801da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13811da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 13821da177e4SLinus Torvalds writing this option is still high experimental; there are also 13831da177e4SLinus Torvalds issues with compatibility of user applications. 13841da177e4SLinus Torvalds 13851da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 13861da177e4SLinus Torvalds bool "64kB" 13871da177e4SLinus Torvalds depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX 13881da177e4SLinus Torvalds help 13891da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 13901da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 13911da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 13921da177e4SLinus Torvalds writing this option is still high experimental; there are also 13931da177e4SLinus Torvalds issues with compatibility of user applications. 13941da177e4SLinus Torvalds 13951da177e4SLinus Torvaldsendchoice 13961da177e4SLinus Torvalds 13971da177e4SLinus Torvaldsconfig BOARD_SCACHE 13981da177e4SLinus Torvalds bool 13991da177e4SLinus Torvalds 14001da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 14011da177e4SLinus Torvalds bool 14021da177e4SLinus Torvalds select BOARD_SCACHE 14031da177e4SLinus Torvalds 14041da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 14051da177e4SLinus Torvalds bool 14061da177e4SLinus Torvalds select BOARD_SCACHE 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 14091da177e4SLinus Torvalds bool 14101da177e4SLinus Torvalds select BOARD_SCACHE 14111da177e4SLinus Torvalds 14121da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 14131da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 14141da177e4SLinus Torvalds depends on CPU_SB1 14151da177e4SLinus Torvalds help 14161da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 14171da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 14181da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 14191da177e4SLinus Torvalds 14201da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 1421c8094b53SRalf Baechle bool 14221da177e4SLinus Torvalds 1423e01402b1SRalf Baechleconfig MIPS_MT 1424e01402b1SRalf Baechle bool "Enable MIPS MT" 1425e01402b1SRalf Baechle 1426340ee4b9SRalf Baechlechoice 1427340ee4b9SRalf Baechle prompt "MIPS MT options" 1428340ee4b9SRalf Baechle depends on MIPS_MT 1429340ee4b9SRalf Baechle 1430340ee4b9SRalf Baechleconfig MIPS_MT_SMP 1431340ee4b9SRalf Baechle bool "Use 1 TC on each available VPE for SMP" 1432340ee4b9SRalf Baechle select SMP 1433340ee4b9SRalf Baechle 1434e01402b1SRalf Baechleconfig MIPS_VPE_LOADER 1435e01402b1SRalf Baechle bool "VPE loader support." 1436e01402b1SRalf Baechle depends on MIPS_MT 1437e01402b1SRalf Baechle help 1438e01402b1SRalf Baechle Includes a loader for loading an elf relocatable object 1439e01402b1SRalf Baechle onto another VPE and running it. 1440e01402b1SRalf Baechle 1441340ee4b9SRalf Baechleendchoice 1442340ee4b9SRalf Baechle 1443e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 1444e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 1445e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 1446e01402b1SRalf Baechle default y 1447e01402b1SRalf Baechle help 1448e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 1449e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 1450e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 1451e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 1452e01402b1SRalf Baechle 1453e01402b1SRalf Baechle# this should possibly be in drivers/char, but it is rather cpu related. Hmmm 1454e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 1455e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 1456e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 14575e83d430SRalf Baechle help 1458e01402b1SRalf Baechle 14591da177e4SLinus Torvaldsconfig SB1_PASS_1_WORKAROUNDS 14601da177e4SLinus Torvalds bool 14611da177e4SLinus Torvalds depends on CPU_SB1_PASS_1 14621da177e4SLinus Torvalds default y 14631da177e4SLinus Torvalds 14641da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 14651da177e4SLinus Torvalds bool 14661da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 14671da177e4SLinus Torvalds default y 14681da177e4SLinus Torvalds 14691da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 14701da177e4SLinus Torvalds bool 14711da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 14721da177e4SLinus Torvalds default y 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvaldsconfig 64BIT_PHYS_ADDR 14751da177e4SLinus Torvalds bool "Support for 64-bit physical address space" 14766e760c8dSRalf Baechle depends on (CPU_R4X00 || CPU_R5000 || CPU_RM7000 || CPU_RM9000 || CPU_R10000 || CPU_SB1 || CPU_MIPS32_R1 || CPU_MIPS64_R1) && 32BIT 14771da177e4SLinus Torvalds 14781da177e4SLinus Torvaldsconfig CPU_ADVANCED 14791da177e4SLinus Torvalds bool "Override CPU Options" 1480875d43e7SRalf Baechle depends on 32BIT 14811da177e4SLinus Torvalds help 14821da177e4SLinus Torvalds Saying yes here allows you to select support for various features 14831da177e4SLinus Torvalds your CPU may or may not have. Most people should say N here. 14841da177e4SLinus Torvalds 14851da177e4SLinus Torvaldsconfig CPU_HAS_LLSC 14861da177e4SLinus Torvalds bool "ll/sc Instructions available" if CPU_ADVANCED 14871da177e4SLinus Torvalds default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX 14881da177e4SLinus Torvalds help 14891da177e4SLinus Torvalds MIPS R4000 series and later provide the Load Linked (ll) 14901da177e4SLinus Torvalds and Store Conditional (sc) instructions. More information is 14911da177e4SLinus Torvalds available at <http://www.go-ecs.com/mips/miptek1.htm>. 14921da177e4SLinus Torvalds 14931da177e4SLinus Torvalds Say Y here if your CPU has the ll and sc instructions. Say Y here 14941da177e4SLinus Torvalds for better performance, N if you don't know. You must say Y here 14951da177e4SLinus Torvalds for multiprocessor machines. 14961da177e4SLinus Torvalds 14971da177e4SLinus Torvaldsconfig CPU_HAS_LLDSCD 14981da177e4SLinus Torvalds bool "lld/scd Instructions available" if CPU_ADVANCED 14996e760c8dSRalf Baechle default y if !CPU_ADVANCED && !CPU_R3000 && !CPU_VR41XX && !CPU_TX39XX && !CPU_MIPS32_R1 15001da177e4SLinus Torvalds help 15011da177e4SLinus Torvalds Say Y here if your CPU has the lld and scd instructions, the 64-bit 15021da177e4SLinus Torvalds equivalents of ll and sc. Say Y here for better performance, N if 15031da177e4SLinus Torvalds you don't know. You must say Y here for multiprocessor machines. 15041da177e4SLinus Torvalds 15051da177e4SLinus Torvaldsconfig CPU_HAS_WB 15061da177e4SLinus Torvalds bool "Writeback Buffer available" if CPU_ADVANCED 15071da177e4SLinus Torvalds default y if !CPU_ADVANCED && CPU_R3000 && MACH_DECSTATION 15081da177e4SLinus Torvalds help 15091da177e4SLinus Torvalds Say N here for slightly better performance. You must say Y here for 15101da177e4SLinus Torvalds machines which require flushing of write buffers in software. Saying 15111da177e4SLinus Torvalds Y is the safe option; N may result in kernel malfunction and crashes. 15121da177e4SLinus Torvalds 1513e01402b1SRalf Baechlemenu "MIPSR2 Interrupt handling" 1514e01402b1SRalf Baechle depends on CPU_MIPSR2 && CPU_ADVANCED 1515e01402b1SRalf Baechle 1516e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 1517e01402b1SRalf Baechle bool "Vectored interrupt mode" 1518e01402b1SRalf Baechle help 1519e01402b1SRalf Baechle Vectored interrupt mode allowing faster dispatching of interrupts. 1520e01402b1SRalf Baechle The board support code needs to be written to take advantage of this 1521e01402b1SRalf Baechle mode. Compatibility code is included to allow the kernel to run on 1522e01402b1SRalf Baechle a CPU that does not support vectored interrupts. It's safe to 1523e01402b1SRalf Baechle say Y here. 1524e01402b1SRalf Baechle 1525e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 1526e01402b1SRalf Baechle bool "External interrupt controller mode" 1527e01402b1SRalf Baechle help 1528e01402b1SRalf Baechle Extended interrupt mode takes advantage of an external interrupt 1529e01402b1SRalf Baechle controller to allow fast dispatching from many possible interrupt 1530e01402b1SRalf Baechle sources. Say N unless you know that external interrupt support is 1531e01402b1SRalf Baechle required. 1532e01402b1SRalf Baechle 1533e01402b1SRalf Baechleconfig CPU_MIPSR2_SRS 1534e01402b1SRalf Baechle bool "Make shadow set registers available for interrupt handlers" 1535e01402b1SRalf Baechle depends on CPU_MIPSR2_IRQ_VI || CPU_MIPSR2_IRQ_EI 1536e01402b1SRalf Baechle help 1537e01402b1SRalf Baechle Allow the kernel to use shadow register sets for fast interrupts. 1538e01402b1SRalf Baechle Interrupt handlers must be specially written to use shadow sets. 1539e01402b1SRalf Baechle Say N unless you know that shadow register set upport is needed. 1540e01402b1SRalf Baechleendmenu 1541e01402b1SRalf Baechle 15421da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 15431da177e4SLinus Torvalds bool 15441da177e4SLinus Torvalds depends on !CPU_R3000 15451da177e4SLinus Torvalds default y 15461da177e4SLinus Torvalds 15471da177e4SLinus Torvalds# 1548797798c1SRalf Baechle# Use the generic interrupt handling code in kernel/irq/: 1549797798c1SRalf Baechle# 1550797798c1SRalf Baechleconfig GENERIC_HARDIRQS 1551797798c1SRalf Baechle bool 1552797798c1SRalf Baechle default y 1553797798c1SRalf Baechle 1554797798c1SRalf Baechleconfig GENERIC_IRQ_PROBE 1555797798c1SRalf Baechle bool 1556797798c1SRalf Baechle default y 1557797798c1SRalf Baechle 1558797798c1SRalf Baechle# 15591da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 15601da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 15611da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 15621da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 15631da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 15641da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 15651da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 15661da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 1567797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 1568797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 1569797798c1SRalf Baechle# support. 15701da177e4SLinus Torvalds# 15711da177e4SLinus Torvaldsconfig HIGHMEM 15721da177e4SLinus Torvalds bool "High Memory Support" 1573797798c1SRalf Baechle depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM 1574797798c1SRalf Baechle 1575797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 1576797798c1SRalf Baechle bool 1577797798c1SRalf Baechle 1578797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 1579797798c1SRalf Baechle bool 15801da177e4SLinus Torvalds 1581b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 1582b4819b59SYoichi Yuasa def_bool y 1583b4819b59SYoichi Yuasa depends on !NUMA 1584b4819b59SYoichi Yuasa 1585b4819b59SYoichi Yuasasource "mm/Kconfig" 1586b4819b59SYoichi Yuasa 15871da177e4SLinus Torvaldsconfig SMP 15881da177e4SLinus Torvalds bool "Multi-Processing support" 1589f137e463SAndrew Isaacson depends on CPU_RM9000 || ((SIBYTE_BCM1x80 || SIBYTE_BCM1x55 || SIBYTE_SB1250) && !SIBYTE_STANDALONE) || SGI_IP27 || MIPS_MT_SMP 15901da177e4SLinus Torvalds ---help--- 15911da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 15921da177e4SLinus Torvalds a system with only one CPU, like most personal computers, say N. If 15931da177e4SLinus Torvalds you have a system with more than one CPU, say Y. 15941da177e4SLinus Torvalds 15951da177e4SLinus Torvalds If you say N here, the kernel will run on single and multiprocessor 15961da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 15971da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 15981da177e4SLinus Torvalds singleprocessor machines. On a singleprocessor machine, the kernel 15991da177e4SLinus Torvalds will run faster if you say N here. 16001da177e4SLinus Torvalds 16011da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 16021da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 16031da177e4SLinus Torvalds 16041da177e4SLinus Torvalds See also the <file:Documentation/smp.txt> and the SMP-HOWTO 16051da177e4SLinus Torvalds available at <http://www.tldp.org/docs.html#howto>. 16061da177e4SLinus Torvalds 16071da177e4SLinus Torvalds If you don't know what to do here, say N. 16081da177e4SLinus Torvalds 16091da177e4SLinus Torvaldsconfig NR_CPUS 16101da177e4SLinus Torvalds int "Maximum number of CPUs (2-64)" 16111da177e4SLinus Torvalds range 2 64 16121da177e4SLinus Torvalds depends on SMP 16131da177e4SLinus Torvalds default "64" if SGI_IP27 16141da177e4SLinus Torvalds default "2" 16151da177e4SLinus Torvalds help 16161da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 16171da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 16181da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 16191da177e4SLinus Torvalds sense is 2. 16201da177e4SLinus Torvalds 16211da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 16221da177e4SLinus Torvalds approximately eight kilobytes to the kernel image. 16231da177e4SLinus Torvalds 1624e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 16251da177e4SLinus Torvalds 16261da177e4SLinus Torvaldsconfig RTC_DS1742 16271da177e4SLinus Torvalds bool "DS1742 BRAM/RTC support" 16281da177e4SLinus Torvalds depends on TOSHIBA_JMR3927 || TOSHIBA_RBTX4927 16291da177e4SLinus Torvalds 16301da177e4SLinus Torvaldsconfig MIPS_INSANE_LARGE 16311da177e4SLinus Torvalds bool "Support for large 64-bit configurations" 1632875d43e7SRalf Baechle depends on CPU_R10000 && 64BIT 16331da177e4SLinus Torvalds help 16341da177e4SLinus Torvalds MIPS R10000 does support a 44 bit / 16TB address space as opposed to 16351da177e4SLinus Torvalds previous 64-bit processors which only supported 40 bit / 1TB. If you 16361da177e4SLinus Torvalds need processes of more than 1TB virtual address space, say Y here. 16371da177e4SLinus Torvalds This will result in additional memory usage, so it is not 16381da177e4SLinus Torvalds recommended for normal users. 16391da177e4SLinus Torvalds 16405e83d430SRalf Baechleendmenu 16415e83d430SRalf Baechle 16421da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 16431da177e4SLinus Torvalds bool 16441da177e4SLinus Torvalds default y 16451da177e4SLinus Torvalds 16461da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 16471da177e4SLinus Torvalds 16485e83d430SRalf Baechleconfig HW_HAS_EISA 16495e83d430SRalf Baechle bool 16501da177e4SLinus Torvaldsconfig HW_HAS_PCI 16511da177e4SLinus Torvalds bool 16521da177e4SLinus Torvalds 16531da177e4SLinus Torvaldsconfig PCI 16541da177e4SLinus Torvalds bool "Support for PCI controller" 16551da177e4SLinus Torvalds depends on HW_HAS_PCI 16561da177e4SLinus Torvalds help 16571da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 16581da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 16591da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 16601da177e4SLinus Torvalds say Y, otherwise N. 16611da177e4SLinus Torvalds 16621da177e4SLinus Torvalds The PCI-HOWTO, available from 16631da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, contains valuable 16641da177e4SLinus Torvalds information about which PCI hardware does work under Linux and which 16651da177e4SLinus Torvalds doesn't. 16661da177e4SLinus Torvalds 16671da177e4SLinus Torvaldsconfig PCI_DOMAINS 16681da177e4SLinus Torvalds bool 16691da177e4SLinus Torvalds depends on PCI 16701da177e4SLinus Torvalds 16711da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 16721da177e4SLinus Torvalds 16731da177e4SLinus Torvalds# 16741da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 16751da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 16761da177e4SLinus Torvalds# users to choose the right thing ... 16771da177e4SLinus Torvalds# 16781da177e4SLinus Torvaldsconfig ISA 16791da177e4SLinus Torvalds bool 16801da177e4SLinus Torvalds 16811da177e4SLinus Torvaldsconfig EISA 16821da177e4SLinus Torvalds bool "EISA support" 16835e83d430SRalf Baechle depends on HW_HAS_EISA 16841da177e4SLinus Torvalds select ISA 16851da177e4SLinus Torvalds ---help--- 16861da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 16871da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 16881da177e4SLinus Torvalds 16891da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 16901da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 16911da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 16921da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 16931da177e4SLinus Torvalds 16941da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 16951da177e4SLinus Torvalds 16961da177e4SLinus Torvalds Otherwise, say N. 16971da177e4SLinus Torvalds 16981da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 16991da177e4SLinus Torvalds 17001da177e4SLinus Torvaldsconfig TC 17011da177e4SLinus Torvalds bool "TURBOchannel support" 17021da177e4SLinus Torvalds depends on MACH_DECSTATION 17031da177e4SLinus Torvalds help 17041da177e4SLinus Torvalds TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 17051da177e4SLinus Torvalds processors. Documentation on writing device drivers for TurboChannel 17061da177e4SLinus Torvalds is available at: 17071da177e4SLinus Torvalds <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>. 17081da177e4SLinus Torvalds 17091da177e4SLinus Torvalds#config ACCESSBUS 17101da177e4SLinus Torvalds# bool "Access.Bus support" 17111da177e4SLinus Torvalds# depends on TC 17121da177e4SLinus Torvalds 17131da177e4SLinus Torvaldsconfig MMU 17141da177e4SLinus Torvalds bool 17151da177e4SLinus Torvalds default y 17161da177e4SLinus Torvalds 17171da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 17181da177e4SLinus Torvalds 17191da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 17201da177e4SLinus Torvalds 17211da177e4SLinus Torvaldsendmenu 17221da177e4SLinus Torvalds 17231da177e4SLinus Torvaldsmenu "Executable file formats" 17241da177e4SLinus Torvalds 17251da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 17261da177e4SLinus Torvalds 17271da177e4SLinus Torvaldsconfig TRAD_SIGNALS 17281da177e4SLinus Torvalds bool 17291da177e4SLinus Torvalds 17301da177e4SLinus Torvaldsconfig BUILD_ELF64 17311da177e4SLinus Torvalds bool "Use 64-bit ELF format for building" 1732875d43e7SRalf Baechle depends on 64BIT 17331da177e4SLinus Torvalds help 17341da177e4SLinus Torvalds A 64-bit kernel is usually built using the 64-bit ELF binary object 17351da177e4SLinus Torvalds format as it's one that allows arbitrary 64-bit constructs. For 17361da177e4SLinus Torvalds kernels that are loaded within the KSEG compatibility segments the 17371da177e4SLinus Torvalds 32-bit ELF format can optionally be used resulting in a somewhat 17381da177e4SLinus Torvalds smaller binary, but this option is not explicitly supported by the 17391da177e4SLinus Torvalds toolchain and since binutils 2.14 it does not even work at all. 17401da177e4SLinus Torvalds 17411da177e4SLinus Torvalds Say Y to use the 64-bit format or N to use the 32-bit one. 17421da177e4SLinus Torvalds 17431da177e4SLinus Torvalds If unsure say Y. 17441da177e4SLinus Torvalds 17451da177e4SLinus Torvaldsconfig BINFMT_IRIX 17461da177e4SLinus Torvalds bool "Include IRIX binary compatibility" 17475e83d430SRalf Baechle depends on CPU_BIG_ENDIAN && 32BIT && BROKEN 17481da177e4SLinus Torvalds 17491da177e4SLinus Torvaldsconfig MIPS32_COMPAT 17501da177e4SLinus Torvalds bool "Kernel support for Linux/MIPS 32-bit binary compatibility" 1751875d43e7SRalf Baechle depends on 64BIT 17521da177e4SLinus Torvalds help 17531da177e4SLinus Torvalds Select this option if you want Linux/MIPS 32-bit binary 17541da177e4SLinus Torvalds compatibility. Since all software available for Linux/MIPS is 17551da177e4SLinus Torvalds currently 32-bit you should say Y here. 17561da177e4SLinus Torvalds 17571da177e4SLinus Torvaldsconfig COMPAT 17581da177e4SLinus Torvalds bool 17591da177e4SLinus Torvalds depends on MIPS32_COMPAT 17601da177e4SLinus Torvalds default y 17611da177e4SLinus Torvalds 17621da177e4SLinus Torvaldsconfig MIPS32_O32 17631da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 17641da177e4SLinus Torvalds depends on MIPS32_COMPAT 17651da177e4SLinus Torvalds help 17661da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 17671da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 17681da177e4SLinus Torvalds existing binaries are in this format. 17691da177e4SLinus Torvalds 17701da177e4SLinus Torvalds If unsure, say Y. 17711da177e4SLinus Torvalds 17721da177e4SLinus Torvaldsconfig MIPS32_N32 17731da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 17741da177e4SLinus Torvalds depends on MIPS32_COMPAT 17751da177e4SLinus Torvalds help 17761da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 17771da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 17781da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 17791da177e4SLinus Torvalds cases. 17801da177e4SLinus Torvalds 17811da177e4SLinus Torvalds If unsure, say N. 17821da177e4SLinus Torvalds 17831da177e4SLinus Torvaldsconfig BINFMT_ELF32 17841da177e4SLinus Torvalds bool 17851da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 17861da177e4SLinus Torvalds 1787127c6f66SRalf Baechleconfig SECCOMP 1788127c6f66SRalf Baechle bool "Enable seccomp to safely compute untrusted bytecode" 1789127c6f66SRalf Baechle depends on PROC_FS && BROKEN 1790127c6f66SRalf Baechle default y 1791127c6f66SRalf Baechle help 1792127c6f66SRalf Baechle This kernel feature is useful for number crunching applications 1793127c6f66SRalf Baechle that may need to compute untrusted bytecode during their 1794127c6f66SRalf Baechle execution. By using pipes or other transports made available to 1795127c6f66SRalf Baechle the process as file descriptors supporting the read/write 1796127c6f66SRalf Baechle syscalls, it's possible to isolate those applications in 1797127c6f66SRalf Baechle their own address space using seccomp. Once seccomp is 1798127c6f66SRalf Baechle enabled via /proc/<pid>/seccomp, it cannot be disabled 1799127c6f66SRalf Baechle and the task is only allowed to execute a few safe syscalls 1800127c6f66SRalf Baechle defined by each seccomp mode. 1801127c6f66SRalf Baechle 1802127c6f66SRalf Baechle If unsure, say Y. Only embedded should say N here. 1803127c6f66SRalf Baechle 18041da177e4SLinus Torvaldsconfig PM 18051da177e4SLinus Torvalds bool "Power Management support (EXPERIMENTAL)" 18065e83d430SRalf Baechle depends on EXPERIMENTAL && SOC_AU1X00 18071da177e4SLinus Torvalds 18081da177e4SLinus Torvaldsendmenu 18091da177e4SLinus Torvalds 1810d5950b43SSam Ravnborgsource "net/Kconfig" 1811d5950b43SSam Ravnborg 18121da177e4SLinus Torvaldssource "drivers/Kconfig" 18131da177e4SLinus Torvalds 18141da177e4SLinus Torvaldssource "fs/Kconfig" 18151da177e4SLinus Torvalds 18165e83d430SRalf Baechlesource "arch/mips/oprofile/Kconfig" 18175e83d430SRalf Baechle 18181da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 18191da177e4SLinus Torvalds 18201da177e4SLinus Torvaldssource "security/Kconfig" 18211da177e4SLinus Torvalds 18221da177e4SLinus Torvaldssource "crypto/Kconfig" 18231da177e4SLinus Torvalds 18241da177e4SLinus Torvaldssource "lib/Kconfig" 1825