14330f5daSKumar Galamenu "Platform support" 24330f5daSKumar Gala 355190f88SBenjamin Herrenschmidtsource "arch/powerpc/platforms/powernv/Kconfig" 44330f5daSKumar Galasource "arch/powerpc/platforms/pseries/Kconfig" 54330f5daSKumar Galasource "arch/powerpc/platforms/iseries/Kconfig" 64330f5daSKumar Galasource "arch/powerpc/platforms/chrp/Kconfig" 7e177edcdSJohn Rigbysource "arch/powerpc/platforms/512x/Kconfig" 84330f5daSKumar Galasource "arch/powerpc/platforms/52xx/Kconfig" 94330f5daSKumar Galasource "arch/powerpc/platforms/powermac/Kconfig" 104330f5daSKumar Galasource "arch/powerpc/platforms/prep/Kconfig" 114330f5daSKumar Galasource "arch/powerpc/platforms/maple/Kconfig" 124330f5daSKumar Galasource "arch/powerpc/platforms/pasemi/Kconfig" 1398750261SKumar Galasource "arch/powerpc/platforms/ps3/Kconfig" 1498750261SKumar Galasource "arch/powerpc/platforms/cell/Kconfig" 15c8a55f3dSKumar Galasource "arch/powerpc/platforms/8xx/Kconfig" 16d6071f88SKumar Galasource "arch/powerpc/platforms/82xx/Kconfig" 17b5a48346SKumar Galasource "arch/powerpc/platforms/83xx/Kconfig" 18db947808SKumar Galasource "arch/powerpc/platforms/85xx/Kconfig" 194a89f7faSKumar Galasource "arch/powerpc/platforms/86xx/Kconfig" 2098750261SKumar Galasource "arch/powerpc/platforms/embedded6xx/Kconfig" 21f6dfc805SDavid Gibsonsource "arch/powerpc/platforms/44x/Kconfig" 22545c069cSJosh Boyersource "arch/powerpc/platforms/40x/Kconfig" 2354b318aaSGerhard Pirchersource "arch/powerpc/platforms/amigaone/Kconfig" 24a1d0d98dSDavid Gibsonsource "arch/powerpc/platforms/wsp/Kconfig" 254330f5daSKumar Gala 26d17051cbSAlexander Grafconfig KVM_GUEST 27d17051cbSAlexander Graf bool "KVM Guest support" 28643ba4e3SAnton Blanchard default n 29d17051cbSAlexander Graf ---help--- 30d17051cbSAlexander Graf This option enables various optimizations for running under the KVM 31d17051cbSAlexander Graf hypervisor. Overhead for the kernel when not running inside KVM should 32d17051cbSAlexander Graf be minimal. 33d17051cbSAlexander Graf 34d17051cbSAlexander Graf In case of doubt, say Y 35d17051cbSAlexander Graf 364330f5daSKumar Galaconfig PPC_NATIVE 374330f5daSKumar Gala bool 3828794d34SBenjamin Herrenschmidt depends on 6xx || PPC64 394330f5daSKumar Gala help 404330f5daSKumar Gala Support for running natively on the hardware, i.e. without 414330f5daSKumar Gala a hypervisor. This option is not user-selectable but should 424330f5daSKumar Gala be selected by all platforms that need it. 434330f5daSKumar Gala 4428794d34SBenjamin Herrenschmidtconfig PPC_OF_BOOT_TRAMPOLINE 4528794d34SBenjamin Herrenschmidt bool "Support booting from Open Firmware or yaboot" 4628794d34SBenjamin Herrenschmidt depends on 6xx || PPC64 4728794d34SBenjamin Herrenschmidt default y 4828794d34SBenjamin Herrenschmidt help 4928794d34SBenjamin Herrenschmidt Support from booting from Open Firmware or yaboot using an 5028794d34SBenjamin Herrenschmidt Open Firmware client interface. This enables the kernel to 51f65e51d7SSylvestre Ledru communicate with open firmware to retrieve system information 5228794d34SBenjamin Herrenschmidt such as the device tree. 5328794d34SBenjamin Herrenschmidt 5428794d34SBenjamin Herrenschmidt In case of doubt, say Y 5528794d34SBenjamin Herrenschmidt 564330f5daSKumar Galaconfig UDBG_RTAS_CONSOLE 574330f5daSKumar Gala bool "RTAS based debug console" 584330f5daSKumar Gala depends on PPC_RTAS 594330f5daSKumar Gala default n 604330f5daSKumar Gala 611ece355bSMilton Millerconfig PPC_SMP_MUXED_IPI 621ece355bSMilton Miller bool 631ece355bSMilton Miller help 641ece355bSMilton Miller Select this opton if your platform supports SMP and your 651ece355bSMilton Miller interrupt controller provides less than 4 interrupts to each 661ece355bSMilton Miller cpu. This will enable the generic code to multiplex the 4 671ece355bSMilton Miller messages on to one ipi. 681ece355bSMilton Miller 694330f5daSKumar Galaconfig PPC_UDBG_BEAT 704330f5daSKumar Gala bool "BEAT based debug console" 714330f5daSKumar Gala depends on PPC_CELLEB 724330f5daSKumar Gala default n 734330f5daSKumar Gala 74b0bbad60SJohn Rigbyconfig IPIC 75b0bbad60SJohn Rigby bool 76b0bbad60SJohn Rigby default n 77b0bbad60SJohn Rigby 7898750261SKumar Galaconfig MPIC 7998750261SKumar Gala bool 8098750261SKumar Gala default n 8198750261SKumar Gala 823a93261fSAshish Kalraconfig PPC_EPAPR_HV_PIC 833a93261fSAshish Kalra bool 843a93261fSAshish Kalra default n 853a93261fSAshish Kalra 8698750261SKumar Galaconfig MPIC_WEIRD 8798750261SKumar Gala bool 8898750261SKumar Gala default n 8998750261SKumar Gala 9098750261SKumar Galaconfig PPC_I8259 9198750261SKumar Gala bool 9298750261SKumar Gala default n 9398750261SKumar Gala 944330f5daSKumar Galaconfig U3_DART 954330f5daSKumar Gala bool 9628794d34SBenjamin Herrenschmidt depends on PPC64 974330f5daSKumar Gala default n 984330f5daSKumar Gala 994330f5daSKumar Galaconfig PPC_RTAS 1004330f5daSKumar Gala bool 1014330f5daSKumar Gala default n 1024330f5daSKumar Gala 1034330f5daSKumar Galaconfig RTAS_ERROR_LOGGING 1044330f5daSKumar Gala bool 1054330f5daSKumar Gala depends on PPC_RTAS 1064330f5daSKumar Gala default n 1074330f5daSKumar Gala 1083d541c4bSBenjamin Herrenschmidtconfig PPC_RTAS_DAEMON 1093d541c4bSBenjamin Herrenschmidt bool 1103d541c4bSBenjamin Herrenschmidt depends on PPC_RTAS 1113d541c4bSBenjamin Herrenschmidt default n 1123d541c4bSBenjamin Herrenschmidt 1134330f5daSKumar Galaconfig RTAS_PROC 1144330f5daSKumar Gala bool "Proc interface to RTAS" 1154330f5daSKumar Gala depends on PPC_RTAS 1164330f5daSKumar Gala default y 1174330f5daSKumar Gala 1184330f5daSKumar Galaconfig RTAS_FLASH 1194330f5daSKumar Gala tristate "Firmware flash interface" 1204330f5daSKumar Gala depends on PPC64 && RTAS_PROC 1214330f5daSKumar Gala 1224330f5daSKumar Galaconfig MMIO_NVRAM 1234330f5daSKumar Gala bool 1244330f5daSKumar Gala default n 1254330f5daSKumar Gala 1266cfef5b2SMichael Ellermanconfig MPIC_U3_HT_IRQS 1274330f5daSKumar Gala bool 128314b389bSAndreas Schwab default n 1294330f5daSKumar Gala 1300d72ba93SOlof Johanssonconfig MPIC_BROKEN_REGREAD 1310d72ba93SOlof Johansson bool 1320d72ba93SOlof Johansson depends on MPIC 1330d72ba93SOlof Johansson help 1340d72ba93SOlof Johansson This option enables a MPIC driver workaround for some chips 1350d72ba93SOlof Johansson that have a bug that causes some interrupt source information 1360d72ba93SOlof Johansson to not read back properly. It is safe to use on other chips as 1370d72ba93SOlof Johansson well, but enabling it uses about 8KB of memory to keep copies 1380d72ba93SOlof Johansson of the register contents in software. 1390d72ba93SOlof Johansson 1404330f5daSKumar Galaconfig IBMVIO 1414330f5daSKumar Gala depends on PPC_PSERIES || PPC_ISERIES 1424330f5daSKumar Gala bool 1434330f5daSKumar Gala default y 1444330f5daSKumar Gala 1454330f5daSKumar Galaconfig IBMEBUS 1464330f5daSKumar Gala depends on PPC_PSERIES 1474330f5daSKumar Gala bool "Support for GX bus based adapters" 1484330f5daSKumar Gala help 1494330f5daSKumar Gala Bus device driver for GX bus based adapters. 1504330f5daSKumar Gala 1514330f5daSKumar Galaconfig PPC_MPC106 1524330f5daSKumar Gala bool 1534330f5daSKumar Gala default n 1544330f5daSKumar Gala 1554330f5daSKumar Galaconfig PPC_970_NAP 1564330f5daSKumar Gala bool 1574330f5daSKumar Gala default n 1584330f5daSKumar Gala 159948cf67cSBenjamin Herrenschmidtconfig PPC_P7_NAP 160948cf67cSBenjamin Herrenschmidt bool 161948cf67cSBenjamin Herrenschmidt default n 162948cf67cSBenjamin Herrenschmidt 1634330f5daSKumar Galaconfig PPC_INDIRECT_IO 1644330f5daSKumar Gala bool 1654330f5daSKumar Gala select GENERIC_IOMAP 16621176fedSMichael Ellerman 16721176fedSMichael Ellermanconfig PPC_INDIRECT_PIO 16821176fedSMichael Ellerman bool 16921176fedSMichael Ellerman select PPC_INDIRECT_IO 17021176fedSMichael Ellerman 17121176fedSMichael Ellermanconfig PPC_INDIRECT_MMIO 17221176fedSMichael Ellerman bool 17321176fedSMichael Ellerman select PPC_INDIRECT_IO 1744330f5daSKumar Gala 1753cc30d07SMichael Ellermanconfig PPC_IO_WORKAROUNDS 1763cc30d07SMichael Ellerman bool 1773cc30d07SMichael Ellerman 1784330f5daSKumar Galaconfig GENERIC_IOMAP 1794330f5daSKumar Gala bool 1804330f5daSKumar Gala 1814330f5daSKumar Galasource "drivers/cpufreq/Kconfig" 1824330f5daSKumar Gala 183c146c958SOlof Johanssonmenu "CPU Frequency drivers" 184c146c958SOlof Johansson depends on CPU_FREQ 185c146c958SOlof Johansson 1864330f5daSKumar Galaconfig CPU_FREQ_PMAC 1874330f5daSKumar Gala bool "Support for Apple PowerBooks" 188c146c958SOlof Johansson depends on ADB_PMU && PPC32 1894330f5daSKumar Gala select CPU_FREQ_TABLE 1904330f5daSKumar Gala help 1914330f5daSKumar Gala This adds support for frequency switching on Apple PowerBooks, 1924330f5daSKumar Gala this currently includes some models of iBook & Titanium 1934330f5daSKumar Gala PowerBook. 1944330f5daSKumar Gala 1954330f5daSKumar Galaconfig CPU_FREQ_PMAC64 1964330f5daSKumar Gala bool "Support for some Apple G5s" 197c146c958SOlof Johansson depends on PPC_PMAC && PPC64 1984330f5daSKumar Gala select CPU_FREQ_TABLE 1994330f5daSKumar Gala help 2004330f5daSKumar Gala This adds support for frequency switching on Apple iMac G5, 2014330f5daSKumar Gala and some of the more recent desktop G5 machines as well. 2022e0c3370SOlof Johansson 2032e0c3370SOlof Johanssonconfig PPC_PASEMI_CPUFREQ 2042e0c3370SOlof Johansson bool "Support for PA Semi PWRficient" 205c146c958SOlof Johansson depends on PPC_PASEMI 2062e0c3370SOlof Johansson default y 2072e0c3370SOlof Johansson select CPU_FREQ_TABLE 2082e0c3370SOlof Johansson help 2092e0c3370SOlof Johansson This adds the support for frequency switching on PA Semi 2102e0c3370SOlof Johansson PWRficient processors. 2112e0c3370SOlof Johansson 212164a460dSKumar Galaendmenu 2134330f5daSKumar Gala 2144330f5daSKumar Galaconfig PPC601_SYNC_FIX 2154330f5daSKumar Gala bool "Workarounds for PPC601 bugs" 2164330f5daSKumar Gala depends on 6xx && (PPC_PREP || PPC_PMAC) 2174330f5daSKumar Gala help 2184330f5daSKumar Gala Some versions of the PPC601 (the first PowerPC chip) have bugs which 2194330f5daSKumar Gala mean that extra synchronization instructions are required near 2204330f5daSKumar Gala certain instructions, typically those that make major changes to the 2214330f5daSKumar Gala CPU state. These extra instructions reduce performance slightly. 2224330f5daSKumar Gala If you say N here, these extra instructions will not be included, 2234330f5daSKumar Gala resulting in a kernel which will run faster but may not run at all 2244330f5daSKumar Gala on some systems with the PPC601 chip. 2254330f5daSKumar Gala 2264330f5daSKumar Gala If in doubt, say Y here. 2274330f5daSKumar Gala 2284330f5daSKumar Galaconfig TAU 2294330f5daSKumar Gala bool "On-chip CPU temperature sensor support" 23028794d34SBenjamin Herrenschmidt depends on 6xx 2314330f5daSKumar Gala help 2324330f5daSKumar Gala G3 and G4 processors have an on-chip temperature sensor called the 2334330f5daSKumar Gala 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die 2344330f5daSKumar Gala temperature within 2-4 degrees Celsius. This option shows the current 2354330f5daSKumar Gala on-die temperature in /proc/cpuinfo if the cpu supports it. 2364330f5daSKumar Gala 2374330f5daSKumar Gala Unfortunately, on some chip revisions, this sensor is very inaccurate 2384330f5daSKumar Gala and in many cases, does not work at all, so don't assume the cpu 2394330f5daSKumar Gala temp is actually what /proc/cpuinfo says it is. 2404330f5daSKumar Gala 2414330f5daSKumar Galaconfig TAU_INT 2424330f5daSKumar Gala bool "Interrupt driven TAU driver (DANGEROUS)" 2434330f5daSKumar Gala depends on TAU 2444330f5daSKumar Gala ---help--- 2454330f5daSKumar Gala The TAU supports an interrupt driven mode which causes an interrupt 2464330f5daSKumar Gala whenever the temperature goes out of range. This is the fastest way 2474330f5daSKumar Gala to get notified the temp has exceeded a range. With this option off, 2484330f5daSKumar Gala a timer is used to re-check the temperature periodically. 2494330f5daSKumar Gala 2504330f5daSKumar Gala However, on some cpus it appears that the TAU interrupt hardware 2514330f5daSKumar Gala is buggy and can cause a situation which would lead unexplained hard 2524330f5daSKumar Gala lockups. 2534330f5daSKumar Gala 2544330f5daSKumar Gala Unless you are extending the TAU driver, or enjoy kernel/hardware 2554330f5daSKumar Gala debugging, leave this option off. 2564330f5daSKumar Gala 2574330f5daSKumar Galaconfig TAU_AVERAGE 2584330f5daSKumar Gala bool "Average high and low temp" 2594330f5daSKumar Gala depends on TAU 2604330f5daSKumar Gala ---help--- 2614330f5daSKumar Gala The TAU hardware can compare the temperature to an upper and lower 2624330f5daSKumar Gala bound. The default behavior is to show both the upper and lower 2634330f5daSKumar Gala bound in /proc/cpuinfo. If the range is large, the temperature is 2644330f5daSKumar Gala either changing a lot, or the TAU hardware is broken (likely on some 2654330f5daSKumar Gala G4's). If the range is small (around 4 degrees), the temperature is 2664330f5daSKumar Gala relatively stable. If you say Y here, a single temperature value, 2674330f5daSKumar Gala halfway between the upper and lower bounds, will be reported in 2684330f5daSKumar Gala /proc/cpuinfo. 2694330f5daSKumar Gala 2704330f5daSKumar Gala If in doubt, say N here. 2714330f5daSKumar Gala 27298750261SKumar Galaconfig QUICC_ENGINE 2734e330bcfSTimur Tabi bool "Freescale QUICC Engine (QE) Support" 27447fe819eSKumar Gala depends on FSL_SOC && PPC32 2751088a209SSylvain Munaut select PPC_LIB_RHEAP 276bc556ba9STimur Tabi select CRC32 27798750261SKumar Gala help 27898750261SKumar Gala The QUICC Engine (QE) is a new generation of communications 27998750261SKumar Gala coprocessors on Freescale embedded CPUs (akin to CPM in older chips). 28098750261SKumar Gala Selecting this option means that you wish to build a kernel 28198750261SKumar Gala for a machine with a QE coprocessor. 28298750261SKumar Gala 2835c091193SAnton Vorontsovconfig QE_GPIO 2845c091193SAnton Vorontsov bool "QE GPIO support" 2855c091193SAnton Vorontsov depends on QUICC_ENGINE 2865c091193SAnton Vorontsov select GENERIC_GPIO 2875c091193SAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 2885c091193SAnton Vorontsov help 2895c091193SAnton Vorontsov Say Y here if you're going to use hardware that connects to the 2905c091193SAnton Vorontsov QE GPIOs. 2915c091193SAnton Vorontsov 292d6071f88SKumar Galaconfig CPM2 293b8b3caf3SPaul Gortmaker bool "Enable support for the CPM2 (Communications Processor Module)" 2945753c082SKumar Gala depends on (FSL_SOC_BOOKE && PPC32) || 8260 295c374e00eSScott Wood select CPM 2961088a209SSylvain Munaut select PPC_LIB_RHEAP 297b500563bSJohn Rigby select PPC_PCI_CHOICE 298e193325eSLaurent Pinchart select ARCH_REQUIRE_GPIOLIB 299e193325eSLaurent Pinchart select GENERIC_GPIO 300d6071f88SKumar Gala help 301d6071f88SKumar Gala The CPM2 (Communications Processor Module) is a coprocessor on 302d6071f88SKumar Gala embedded CPUs made by Freescale. Selecting this option means that 303d6071f88SKumar Gala you wish to build a kernel for a machine with a CPM2 coprocessor 304d6071f88SKumar Gala on it (826x, 827x, 8560). 305d6071f88SKumar Gala 306dbdf04c4SMaxim Shchetyninconfig AXON_RAM 307dbdf04c4SMaxim Shchetynin tristate "Axon DDR2 memory device driver" 308ebf0f334SMichael Ellerman depends on PPC_IBM_CELL_BLADE && BLOCK 309dbdf04c4SMaxim Shchetynin default m 310dbdf04c4SMaxim Shchetynin help 311dbdf04c4SMaxim Shchetynin It registers one block device per Axon's DDR2 memory bank found 312dbdf04c4SMaxim Shchetynin on a system. Block devices are called axonram?, their major and 313dbdf04c4SMaxim Shchetynin minor numbers are available in /proc/devices, /proc/partitions or 314dbdf04c4SMaxim Shchetynin in /sys/block/axonram?/dev. 315dbdf04c4SMaxim Shchetynin 316b66510cbSKumar Galaconfig FSL_ULI1575 317b66510cbSKumar Gala bool 318b66510cbSKumar Gala default n 319fb4f0e88SKumar Gala select GENERIC_ISA_DMA 320b66510cbSKumar Gala help 321b66510cbSKumar Gala Supports for the ULI1575 PCIe south bridge that exists on some 322b66510cbSKumar Gala Freescale reference boards. The boards all use the ULI in pretty 323b66510cbSKumar Gala much the same way. 324b66510cbSKumar Gala 325c374e00eSScott Woodconfig CPM 326c374e00eSScott Wood bool 32780776554SLaurent Pinchart select PPC_CLOCK 328c374e00eSScott Wood 32922258fa4SDavid Gibsonconfig OF_RTC 33022258fa4SDavid Gibson bool 33122258fa4SDavid Gibson help 332692105b8SMatt LaPlante Uses information from the OF or flattened device tree to instantiate 33322258fa4SDavid Gibson platform devices for direct mapped RTC chips like the DS1742 or DS1743. 33422258fa4SDavid Gibson 3352f9ea1bdSSylvain Munautsource "arch/powerpc/sysdev/bestcomm/Kconfig" 3362f9ea1bdSSylvain Munaut 3373d64de9cSAnton Vorontsovconfig SIMPLE_GPIO 3383d64de9cSAnton Vorontsov bool "Support for simple, memory-mapped GPIO controllers" 3393d64de9cSAnton Vorontsov depends on PPC 3403d64de9cSAnton Vorontsov select GENERIC_GPIO 3413d64de9cSAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 3423d64de9cSAnton Vorontsov help 3433d64de9cSAnton Vorontsov Say Y here to support simple, memory-mapped GPIO controllers. 3443d64de9cSAnton Vorontsov These are usually BCSRs used to control board's switches, LEDs, 3453d64de9cSAnton Vorontsov chip-selects, Ethernet/USB PHY's power and various other small 3463d64de9cSAnton Vorontsov on-board peripherals. 3473d64de9cSAnton Vorontsov 348ea0105eaSAnton Vorontsovconfig MCU_MPC8349EMITX 3496ca6ca5dSFabio Baltieri bool "MPC8349E-mITX MCU driver" 350ea0105eaSAnton Vorontsov depends on I2C && PPC_83xx 351ea0105eaSAnton Vorontsov select GENERIC_GPIO 352ea0105eaSAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 353ea0105eaSAnton Vorontsov help 354ea0105eaSAnton Vorontsov Say Y here to enable soft power-off functionality on the Freescale 355ea0105eaSAnton Vorontsov boards with the MPC8349E-mITX-compatible MCU chips. This driver will 356ea0105eaSAnton Vorontsov also register MCU GPIOs with the generic GPIO API, so you'll able 357ea0105eaSAnton Vorontsov to use MCU pins as GPIOs. 358ea0105eaSAnton Vorontsov 35964f16502SRoderick Colenbranderconfig XILINX_PCI 36064f16502SRoderick Colenbrander bool "Xilinx PCI host bridge support" 36164f16502SRoderick Colenbrander depends on PCI && XILINX_VIRTEX 36264f16502SRoderick Colenbrander 3634330f5daSKumar Galaendmenu 364