14330f5daSKumar Galamenu "Platform support" 24330f5daSKumar Gala 34330f5daSKumar Galasource "arch/powerpc/platforms/pseries/Kconfig" 44330f5daSKumar Galasource "arch/powerpc/platforms/iseries/Kconfig" 54330f5daSKumar Galasource "arch/powerpc/platforms/chrp/Kconfig" 6e177edcdSJohn Rigbysource "arch/powerpc/platforms/512x/Kconfig" 74330f5daSKumar Galasource "arch/powerpc/platforms/52xx/Kconfig" 84330f5daSKumar Galasource "arch/powerpc/platforms/powermac/Kconfig" 94330f5daSKumar Galasource "arch/powerpc/platforms/prep/Kconfig" 104330f5daSKumar Galasource "arch/powerpc/platforms/maple/Kconfig" 114330f5daSKumar Galasource "arch/powerpc/platforms/pasemi/Kconfig" 1298750261SKumar Galasource "arch/powerpc/platforms/ps3/Kconfig" 1398750261SKumar Galasource "arch/powerpc/platforms/cell/Kconfig" 14c8a55f3dSKumar Galasource "arch/powerpc/platforms/8xx/Kconfig" 15d6071f88SKumar Galasource "arch/powerpc/platforms/82xx/Kconfig" 16b5a48346SKumar Galasource "arch/powerpc/platforms/83xx/Kconfig" 17db947808SKumar Galasource "arch/powerpc/platforms/85xx/Kconfig" 184a89f7faSKumar Galasource "arch/powerpc/platforms/86xx/Kconfig" 1998750261SKumar Galasource "arch/powerpc/platforms/embedded6xx/Kconfig" 20f6dfc805SDavid Gibsonsource "arch/powerpc/platforms/44x/Kconfig" 21545c069cSJosh Boyersource "arch/powerpc/platforms/40x/Kconfig" 2254b318aaSGerhard Pirchersource "arch/powerpc/platforms/amigaone/Kconfig" 23a1d0d98dSDavid Gibsonsource "arch/powerpc/platforms/wsp/Kconfig" 244330f5daSKumar Gala 25d17051cbSAlexander Grafconfig KVM_GUEST 26d17051cbSAlexander Graf bool "KVM Guest support" 27643ba4e3SAnton Blanchard default n 28d17051cbSAlexander Graf ---help--- 29d17051cbSAlexander Graf This option enables various optimizations for running under the KVM 30d17051cbSAlexander Graf hypervisor. Overhead for the kernel when not running inside KVM should 31d17051cbSAlexander Graf be minimal. 32d17051cbSAlexander Graf 33d17051cbSAlexander Graf In case of doubt, say Y 34d17051cbSAlexander Graf 354330f5daSKumar Galaconfig PPC_NATIVE 364330f5daSKumar Gala bool 3728794d34SBenjamin Herrenschmidt depends on 6xx || PPC64 384330f5daSKumar Gala help 394330f5daSKumar Gala Support for running natively on the hardware, i.e. without 404330f5daSKumar Gala a hypervisor. This option is not user-selectable but should 414330f5daSKumar Gala be selected by all platforms that need it. 424330f5daSKumar Gala 4328794d34SBenjamin Herrenschmidtconfig PPC_OF_BOOT_TRAMPOLINE 4428794d34SBenjamin Herrenschmidt bool "Support booting from Open Firmware or yaboot" 4528794d34SBenjamin Herrenschmidt depends on 6xx || PPC64 4628794d34SBenjamin Herrenschmidt default y 4728794d34SBenjamin Herrenschmidt help 4828794d34SBenjamin Herrenschmidt Support from booting from Open Firmware or yaboot using an 4928794d34SBenjamin Herrenschmidt Open Firmware client interface. This enables the kernel to 50f65e51d7SSylvestre Ledru communicate with open firmware to retrieve system information 5128794d34SBenjamin Herrenschmidt such as the device tree. 5228794d34SBenjamin Herrenschmidt 5328794d34SBenjamin Herrenschmidt In case of doubt, say Y 5428794d34SBenjamin Herrenschmidt 554330f5daSKumar Galaconfig UDBG_RTAS_CONSOLE 564330f5daSKumar Gala bool "RTAS based debug console" 574330f5daSKumar Gala depends on PPC_RTAS 584330f5daSKumar Gala default n 594330f5daSKumar Gala 601ece355bSMilton Millerconfig PPC_SMP_MUXED_IPI 611ece355bSMilton Miller bool 621ece355bSMilton Miller help 631ece355bSMilton Miller Select this opton if your platform supports SMP and your 641ece355bSMilton Miller interrupt controller provides less than 4 interrupts to each 651ece355bSMilton Miller cpu. This will enable the generic code to multiplex the 4 661ece355bSMilton Miller messages on to one ipi. 671ece355bSMilton Miller 684330f5daSKumar Galaconfig PPC_UDBG_BEAT 694330f5daSKumar Gala bool "BEAT based debug console" 704330f5daSKumar Gala depends on PPC_CELLEB 714330f5daSKumar Gala default n 724330f5daSKumar Gala 73b0bbad60SJohn Rigbyconfig IPIC 74b0bbad60SJohn Rigby bool 75b0bbad60SJohn Rigby default n 76b0bbad60SJohn Rigby 7798750261SKumar Galaconfig MPIC 7898750261SKumar Gala bool 7998750261SKumar Gala default n 8098750261SKumar Gala 813a93261fSAshish Kalraconfig PPC_EPAPR_HV_PIC 823a93261fSAshish Kalra bool 833a93261fSAshish Kalra default n 843a93261fSAshish Kalra 8598750261SKumar Galaconfig MPIC_WEIRD 8698750261SKumar Gala bool 8798750261SKumar Gala default n 8898750261SKumar Gala 8998750261SKumar Galaconfig PPC_I8259 9098750261SKumar Gala bool 9198750261SKumar Gala default n 9298750261SKumar Gala 934330f5daSKumar Galaconfig U3_DART 944330f5daSKumar Gala bool 9528794d34SBenjamin Herrenschmidt depends on PPC64 964330f5daSKumar Gala default n 974330f5daSKumar Gala 984330f5daSKumar Galaconfig PPC_RTAS 994330f5daSKumar Gala bool 1004330f5daSKumar Gala default n 1014330f5daSKumar Gala 1024330f5daSKumar Galaconfig RTAS_ERROR_LOGGING 1034330f5daSKumar Gala bool 1044330f5daSKumar Gala depends on PPC_RTAS 1054330f5daSKumar Gala default n 1064330f5daSKumar Gala 1073d541c4bSBenjamin Herrenschmidtconfig PPC_RTAS_DAEMON 1083d541c4bSBenjamin Herrenschmidt bool 1093d541c4bSBenjamin Herrenschmidt depends on PPC_RTAS 1103d541c4bSBenjamin Herrenschmidt default n 1113d541c4bSBenjamin Herrenschmidt 1124330f5daSKumar Galaconfig RTAS_PROC 1134330f5daSKumar Gala bool "Proc interface to RTAS" 1144330f5daSKumar Gala depends on PPC_RTAS 1154330f5daSKumar Gala default y 1164330f5daSKumar Gala 1174330f5daSKumar Galaconfig RTAS_FLASH 1184330f5daSKumar Gala tristate "Firmware flash interface" 1194330f5daSKumar Gala depends on PPC64 && RTAS_PROC 1204330f5daSKumar Gala 1214330f5daSKumar Galaconfig MMIO_NVRAM 1224330f5daSKumar Gala bool 1234330f5daSKumar Gala default n 1244330f5daSKumar Gala 1256cfef5b2SMichael Ellermanconfig MPIC_U3_HT_IRQS 1264330f5daSKumar Gala bool 127314b389bSAndreas Schwab default n 1284330f5daSKumar Gala 1290d72ba93SOlof Johanssonconfig MPIC_BROKEN_REGREAD 1300d72ba93SOlof Johansson bool 1310d72ba93SOlof Johansson depends on MPIC 1320d72ba93SOlof Johansson help 1330d72ba93SOlof Johansson This option enables a MPIC driver workaround for some chips 1340d72ba93SOlof Johansson that have a bug that causes some interrupt source information 1350d72ba93SOlof Johansson to not read back properly. It is safe to use on other chips as 1360d72ba93SOlof Johansson well, but enabling it uses about 8KB of memory to keep copies 1370d72ba93SOlof Johansson of the register contents in software. 1380d72ba93SOlof Johansson 1394330f5daSKumar Galaconfig IBMVIO 1404330f5daSKumar Gala depends on PPC_PSERIES || PPC_ISERIES 1414330f5daSKumar Gala bool 1424330f5daSKumar Gala default y 1434330f5daSKumar Gala 1444330f5daSKumar Galaconfig IBMEBUS 1454330f5daSKumar Gala depends on PPC_PSERIES 1464330f5daSKumar Gala bool "Support for GX bus based adapters" 1474330f5daSKumar Gala help 1484330f5daSKumar Gala Bus device driver for GX bus based adapters. 1494330f5daSKumar Gala 1504330f5daSKumar Galaconfig PPC_MPC106 1514330f5daSKumar Gala bool 1524330f5daSKumar Gala default n 1534330f5daSKumar Gala 1544330f5daSKumar Galaconfig PPC_970_NAP 1554330f5daSKumar Gala bool 1564330f5daSKumar Gala default n 1574330f5daSKumar Gala 158948cf67cSBenjamin Herrenschmidtconfig PPC_P7_NAP 159948cf67cSBenjamin Herrenschmidt bool 160948cf67cSBenjamin Herrenschmidt default n 161948cf67cSBenjamin Herrenschmidt 1624330f5daSKumar Galaconfig PPC_INDIRECT_IO 1634330f5daSKumar Gala bool 1644330f5daSKumar Gala select GENERIC_IOMAP 16521176fedSMichael Ellerman 16621176fedSMichael Ellermanconfig PPC_INDIRECT_PIO 16721176fedSMichael Ellerman bool 16821176fedSMichael Ellerman select PPC_INDIRECT_IO 16921176fedSMichael Ellerman 17021176fedSMichael Ellermanconfig PPC_INDIRECT_MMIO 17121176fedSMichael Ellerman bool 17221176fedSMichael Ellerman select PPC_INDIRECT_IO 1734330f5daSKumar Gala 1743cc30d07SMichael Ellermanconfig PPC_IO_WORKAROUNDS 1753cc30d07SMichael Ellerman bool 1763cc30d07SMichael Ellerman 1774330f5daSKumar Galaconfig GENERIC_IOMAP 1784330f5daSKumar Gala bool 1794330f5daSKumar Gala 1804330f5daSKumar Galasource "drivers/cpufreq/Kconfig" 1814330f5daSKumar Gala 182c146c958SOlof Johanssonmenu "CPU Frequency drivers" 183c146c958SOlof Johansson depends on CPU_FREQ 184c146c958SOlof Johansson 1854330f5daSKumar Galaconfig CPU_FREQ_PMAC 1864330f5daSKumar Gala bool "Support for Apple PowerBooks" 187c146c958SOlof Johansson depends on ADB_PMU && PPC32 1884330f5daSKumar Gala select CPU_FREQ_TABLE 1894330f5daSKumar Gala help 1904330f5daSKumar Gala This adds support for frequency switching on Apple PowerBooks, 1914330f5daSKumar Gala this currently includes some models of iBook & Titanium 1924330f5daSKumar Gala PowerBook. 1934330f5daSKumar Gala 1944330f5daSKumar Galaconfig CPU_FREQ_PMAC64 1954330f5daSKumar Gala bool "Support for some Apple G5s" 196c146c958SOlof Johansson depends on PPC_PMAC && PPC64 1974330f5daSKumar Gala select CPU_FREQ_TABLE 1984330f5daSKumar Gala help 1994330f5daSKumar Gala This adds support for frequency switching on Apple iMac G5, 2004330f5daSKumar Gala and some of the more recent desktop G5 machines as well. 2012e0c3370SOlof Johansson 2022e0c3370SOlof Johanssonconfig PPC_PASEMI_CPUFREQ 2032e0c3370SOlof Johansson bool "Support for PA Semi PWRficient" 204c146c958SOlof Johansson depends on PPC_PASEMI 2052e0c3370SOlof Johansson default y 2062e0c3370SOlof Johansson select CPU_FREQ_TABLE 2072e0c3370SOlof Johansson help 2082e0c3370SOlof Johansson This adds the support for frequency switching on PA Semi 2092e0c3370SOlof Johansson PWRficient processors. 2102e0c3370SOlof Johansson 211164a460dSKumar Galaendmenu 2124330f5daSKumar Gala 2134330f5daSKumar Galaconfig PPC601_SYNC_FIX 2144330f5daSKumar Gala bool "Workarounds for PPC601 bugs" 2154330f5daSKumar Gala depends on 6xx && (PPC_PREP || PPC_PMAC) 2164330f5daSKumar Gala help 2174330f5daSKumar Gala Some versions of the PPC601 (the first PowerPC chip) have bugs which 2184330f5daSKumar Gala mean that extra synchronization instructions are required near 2194330f5daSKumar Gala certain instructions, typically those that make major changes to the 2204330f5daSKumar Gala CPU state. These extra instructions reduce performance slightly. 2214330f5daSKumar Gala If you say N here, these extra instructions will not be included, 2224330f5daSKumar Gala resulting in a kernel which will run faster but may not run at all 2234330f5daSKumar Gala on some systems with the PPC601 chip. 2244330f5daSKumar Gala 2254330f5daSKumar Gala If in doubt, say Y here. 2264330f5daSKumar Gala 2274330f5daSKumar Galaconfig TAU 2284330f5daSKumar Gala bool "On-chip CPU temperature sensor support" 22928794d34SBenjamin Herrenschmidt depends on 6xx 2304330f5daSKumar Gala help 2314330f5daSKumar Gala G3 and G4 processors have an on-chip temperature sensor called the 2324330f5daSKumar Gala 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die 2334330f5daSKumar Gala temperature within 2-4 degrees Celsius. This option shows the current 2344330f5daSKumar Gala on-die temperature in /proc/cpuinfo if the cpu supports it. 2354330f5daSKumar Gala 2364330f5daSKumar Gala Unfortunately, on some chip revisions, this sensor is very inaccurate 2374330f5daSKumar Gala and in many cases, does not work at all, so don't assume the cpu 2384330f5daSKumar Gala temp is actually what /proc/cpuinfo says it is. 2394330f5daSKumar Gala 2404330f5daSKumar Galaconfig TAU_INT 2414330f5daSKumar Gala bool "Interrupt driven TAU driver (DANGEROUS)" 2424330f5daSKumar Gala depends on TAU 2434330f5daSKumar Gala ---help--- 2444330f5daSKumar Gala The TAU supports an interrupt driven mode which causes an interrupt 2454330f5daSKumar Gala whenever the temperature goes out of range. This is the fastest way 2464330f5daSKumar Gala to get notified the temp has exceeded a range. With this option off, 2474330f5daSKumar Gala a timer is used to re-check the temperature periodically. 2484330f5daSKumar Gala 2494330f5daSKumar Gala However, on some cpus it appears that the TAU interrupt hardware 2504330f5daSKumar Gala is buggy and can cause a situation which would lead unexplained hard 2514330f5daSKumar Gala lockups. 2524330f5daSKumar Gala 2534330f5daSKumar Gala Unless you are extending the TAU driver, or enjoy kernel/hardware 2544330f5daSKumar Gala debugging, leave this option off. 2554330f5daSKumar Gala 2564330f5daSKumar Galaconfig TAU_AVERAGE 2574330f5daSKumar Gala bool "Average high and low temp" 2584330f5daSKumar Gala depends on TAU 2594330f5daSKumar Gala ---help--- 2604330f5daSKumar Gala The TAU hardware can compare the temperature to an upper and lower 2614330f5daSKumar Gala bound. The default behavior is to show both the upper and lower 2624330f5daSKumar Gala bound in /proc/cpuinfo. If the range is large, the temperature is 2634330f5daSKumar Gala either changing a lot, or the TAU hardware is broken (likely on some 2644330f5daSKumar Gala G4's). If the range is small (around 4 degrees), the temperature is 2654330f5daSKumar Gala relatively stable. If you say Y here, a single temperature value, 2664330f5daSKumar Gala halfway between the upper and lower bounds, will be reported in 2674330f5daSKumar Gala /proc/cpuinfo. 2684330f5daSKumar Gala 2694330f5daSKumar Gala If in doubt, say N here. 2704330f5daSKumar Gala 27198750261SKumar Galaconfig QUICC_ENGINE 2724e330bcfSTimur Tabi bool "Freescale QUICC Engine (QE) Support" 27347fe819eSKumar Gala depends on FSL_SOC && PPC32 2741088a209SSylvain Munaut select PPC_LIB_RHEAP 275bc556ba9STimur Tabi select CRC32 27698750261SKumar Gala help 27798750261SKumar Gala The QUICC Engine (QE) is a new generation of communications 27898750261SKumar Gala coprocessors on Freescale embedded CPUs (akin to CPM in older chips). 27998750261SKumar Gala Selecting this option means that you wish to build a kernel 28098750261SKumar Gala for a machine with a QE coprocessor. 28198750261SKumar Gala 2825c091193SAnton Vorontsovconfig QE_GPIO 2835c091193SAnton Vorontsov bool "QE GPIO support" 2845c091193SAnton Vorontsov depends on QUICC_ENGINE 2855c091193SAnton Vorontsov select GENERIC_GPIO 2865c091193SAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 2875c091193SAnton Vorontsov help 2885c091193SAnton Vorontsov Say Y here if you're going to use hardware that connects to the 2895c091193SAnton Vorontsov QE GPIOs. 2905c091193SAnton Vorontsov 291d6071f88SKumar Galaconfig CPM2 292b8b3caf3SPaul Gortmaker bool "Enable support for the CPM2 (Communications Processor Module)" 2935753c082SKumar Gala depends on (FSL_SOC_BOOKE && PPC32) || 8260 294c374e00eSScott Wood select CPM 2951088a209SSylvain Munaut select PPC_LIB_RHEAP 296b500563bSJohn Rigby select PPC_PCI_CHOICE 297e193325eSLaurent Pinchart select ARCH_REQUIRE_GPIOLIB 298e193325eSLaurent Pinchart select GENERIC_GPIO 299d6071f88SKumar Gala help 300d6071f88SKumar Gala The CPM2 (Communications Processor Module) is a coprocessor on 301d6071f88SKumar Gala embedded CPUs made by Freescale. Selecting this option means that 302d6071f88SKumar Gala you wish to build a kernel for a machine with a CPM2 coprocessor 303d6071f88SKumar Gala on it (826x, 827x, 8560). 304d6071f88SKumar Gala 305dbdf04c4SMaxim Shchetyninconfig AXON_RAM 306dbdf04c4SMaxim Shchetynin tristate "Axon DDR2 memory device driver" 307ebf0f334SMichael Ellerman depends on PPC_IBM_CELL_BLADE && BLOCK 308dbdf04c4SMaxim Shchetynin default m 309dbdf04c4SMaxim Shchetynin help 310dbdf04c4SMaxim Shchetynin It registers one block device per Axon's DDR2 memory bank found 311dbdf04c4SMaxim Shchetynin on a system. Block devices are called axonram?, their major and 312dbdf04c4SMaxim Shchetynin minor numbers are available in /proc/devices, /proc/partitions or 313dbdf04c4SMaxim Shchetynin in /sys/block/axonram?/dev. 314dbdf04c4SMaxim Shchetynin 315b66510cbSKumar Galaconfig FSL_ULI1575 316b66510cbSKumar Gala bool 317b66510cbSKumar Gala default n 318fb4f0e88SKumar Gala select GENERIC_ISA_DMA 319b66510cbSKumar Gala help 320b66510cbSKumar Gala Supports for the ULI1575 PCIe south bridge that exists on some 321b66510cbSKumar Gala Freescale reference boards. The boards all use the ULI in pretty 322b66510cbSKumar Gala much the same way. 323b66510cbSKumar Gala 324c374e00eSScott Woodconfig CPM 325c374e00eSScott Wood bool 32680776554SLaurent Pinchart select PPC_CLOCK 327c374e00eSScott Wood 32822258fa4SDavid Gibsonconfig OF_RTC 32922258fa4SDavid Gibson bool 33022258fa4SDavid Gibson help 331692105b8SMatt LaPlante Uses information from the OF or flattened device tree to instantiate 33222258fa4SDavid Gibson platform devices for direct mapped RTC chips like the DS1742 or DS1743. 33322258fa4SDavid Gibson 3342f9ea1bdSSylvain Munautsource "arch/powerpc/sysdev/bestcomm/Kconfig" 3352f9ea1bdSSylvain Munaut 336782f04fcSKumar Galaconfig MPC8xxx_GPIO 337e39d5ef6SAnatolij Gustschin bool "MPC512x/MPC8xxx GPIO support" 338e39d5ef6SAnatolij Gustschin depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ 339e39d5ef6SAnatolij Gustschin FSL_SOC_BOOKE || PPC_86xx 340782f04fcSKumar Gala select GENERIC_GPIO 341782f04fcSKumar Gala select ARCH_REQUIRE_GPIOLIB 342782f04fcSKumar Gala help 343782f04fcSKumar Gala Say Y here if you're going to use hardware that connects to the 344e39d5ef6SAnatolij Gustschin MPC512x/831x/834x/837x/8572/8610 GPIOs. 345782f04fcSKumar Gala 3463d64de9cSAnton Vorontsovconfig SIMPLE_GPIO 3473d64de9cSAnton Vorontsov bool "Support for simple, memory-mapped GPIO controllers" 3483d64de9cSAnton Vorontsov depends on PPC 3493d64de9cSAnton Vorontsov select GENERIC_GPIO 3503d64de9cSAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 3513d64de9cSAnton Vorontsov help 3523d64de9cSAnton Vorontsov Say Y here to support simple, memory-mapped GPIO controllers. 3533d64de9cSAnton Vorontsov These are usually BCSRs used to control board's switches, LEDs, 3543d64de9cSAnton Vorontsov chip-selects, Ethernet/USB PHY's power and various other small 3553d64de9cSAnton Vorontsov on-board peripherals. 3563d64de9cSAnton Vorontsov 357ea0105eaSAnton Vorontsovconfig MCU_MPC8349EMITX 358ea0105eaSAnton Vorontsov tristate "MPC8349E-mITX MCU driver" 359ea0105eaSAnton Vorontsov depends on I2C && PPC_83xx 360ea0105eaSAnton Vorontsov select GENERIC_GPIO 361ea0105eaSAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 362ea0105eaSAnton Vorontsov help 363ea0105eaSAnton Vorontsov Say Y here to enable soft power-off functionality on the Freescale 364ea0105eaSAnton Vorontsov boards with the MPC8349E-mITX-compatible MCU chips. This driver will 365ea0105eaSAnton Vorontsov also register MCU GPIOs with the generic GPIO API, so you'll able 366ea0105eaSAnton Vorontsov to use MCU pins as GPIOs. 367ea0105eaSAnton Vorontsov 36864f16502SRoderick Colenbranderconfig XILINX_PCI 36964f16502SRoderick Colenbrander bool "Xilinx PCI host bridge support" 37064f16502SRoderick Colenbrander depends on PCI && XILINX_VIRTEX 37164f16502SRoderick Colenbrander 3724330f5daSKumar Galaendmenu 373