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" 234330f5daSKumar Gala 24d17051cbSAlexander Grafconfig KVM_GUEST 25d17051cbSAlexander Graf bool "KVM Guest support" 26d17051cbSAlexander Graf default y 27d17051cbSAlexander Graf ---help--- 28d17051cbSAlexander Graf This option enables various optimizations for running under the KVM 29d17051cbSAlexander Graf hypervisor. Overhead for the kernel when not running inside KVM should 30d17051cbSAlexander Graf be minimal. 31d17051cbSAlexander Graf 32d17051cbSAlexander Graf In case of doubt, say Y 33d17051cbSAlexander Graf 344330f5daSKumar Galaconfig PPC_NATIVE 354330f5daSKumar Gala bool 3628794d34SBenjamin Herrenschmidt depends on 6xx || PPC64 374330f5daSKumar Gala help 384330f5daSKumar Gala Support for running natively on the hardware, i.e. without 394330f5daSKumar Gala a hypervisor. This option is not user-selectable but should 404330f5daSKumar Gala be selected by all platforms that need it. 414330f5daSKumar Gala 4228794d34SBenjamin Herrenschmidtconfig PPC_OF_BOOT_TRAMPOLINE 4328794d34SBenjamin Herrenschmidt bool "Support booting from Open Firmware or yaboot" 4428794d34SBenjamin Herrenschmidt depends on 6xx || PPC64 4528794d34SBenjamin Herrenschmidt default y 4628794d34SBenjamin Herrenschmidt help 4728794d34SBenjamin Herrenschmidt Support from booting from Open Firmware or yaboot using an 4828794d34SBenjamin Herrenschmidt Open Firmware client interface. This enables the kernel to 49f65e51d7SSylvestre Ledru communicate with open firmware to retrieve system information 5028794d34SBenjamin Herrenschmidt such as the device tree. 5128794d34SBenjamin Herrenschmidt 5228794d34SBenjamin Herrenschmidt In case of doubt, say Y 5328794d34SBenjamin Herrenschmidt 544330f5daSKumar Galaconfig UDBG_RTAS_CONSOLE 554330f5daSKumar Gala bool "RTAS based debug console" 564330f5daSKumar Gala depends on PPC_RTAS 574330f5daSKumar Gala default n 584330f5daSKumar Gala 594330f5daSKumar Galaconfig PPC_UDBG_BEAT 604330f5daSKumar Gala bool "BEAT based debug console" 614330f5daSKumar Gala depends on PPC_CELLEB 624330f5daSKumar Gala default n 634330f5daSKumar Gala 644330f5daSKumar Galaconfig XICS 654330f5daSKumar Gala depends on PPC_PSERIES 664330f5daSKumar Gala bool 674330f5daSKumar Gala default y 684330f5daSKumar Gala 69b0bbad60SJohn Rigbyconfig IPIC 70b0bbad60SJohn Rigby bool 71b0bbad60SJohn Rigby default n 72b0bbad60SJohn Rigby 7398750261SKumar Galaconfig MPIC 7498750261SKumar Gala bool 7598750261SKumar Gala default n 7698750261SKumar Gala 7798750261SKumar Galaconfig MPIC_WEIRD 7898750261SKumar Gala bool 7998750261SKumar Gala default n 8098750261SKumar Gala 8198750261SKumar Galaconfig PPC_I8259 8298750261SKumar Gala bool 8398750261SKumar Gala default n 8498750261SKumar Gala 854330f5daSKumar Galaconfig U3_DART 864330f5daSKumar Gala bool 8728794d34SBenjamin Herrenschmidt depends on PPC64 884330f5daSKumar Gala default n 894330f5daSKumar Gala 904330f5daSKumar Galaconfig PPC_RTAS 914330f5daSKumar Gala bool 924330f5daSKumar Gala default n 934330f5daSKumar Gala 944330f5daSKumar Galaconfig RTAS_ERROR_LOGGING 954330f5daSKumar Gala bool 964330f5daSKumar Gala depends on PPC_RTAS 974330f5daSKumar Gala default n 984330f5daSKumar Gala 993d541c4bSBenjamin Herrenschmidtconfig PPC_RTAS_DAEMON 1003d541c4bSBenjamin Herrenschmidt bool 1013d541c4bSBenjamin Herrenschmidt depends on PPC_RTAS 1023d541c4bSBenjamin Herrenschmidt default n 1033d541c4bSBenjamin Herrenschmidt 1044330f5daSKumar Galaconfig RTAS_PROC 1054330f5daSKumar Gala bool "Proc interface to RTAS" 1064330f5daSKumar Gala depends on PPC_RTAS 1074330f5daSKumar Gala default y 1084330f5daSKumar Gala 1094330f5daSKumar Galaconfig RTAS_FLASH 1104330f5daSKumar Gala tristate "Firmware flash interface" 1114330f5daSKumar Gala depends on PPC64 && RTAS_PROC 1124330f5daSKumar Gala 1134330f5daSKumar Galaconfig MMIO_NVRAM 1144330f5daSKumar Gala bool 1154330f5daSKumar Gala default n 1164330f5daSKumar Gala 1176cfef5b2SMichael Ellermanconfig MPIC_U3_HT_IRQS 1184330f5daSKumar Gala bool 119314b389bSAndreas Schwab default n 1204330f5daSKumar Gala 1210d72ba93SOlof Johanssonconfig MPIC_BROKEN_REGREAD 1220d72ba93SOlof Johansson bool 1230d72ba93SOlof Johansson depends on MPIC 1240d72ba93SOlof Johansson help 1250d72ba93SOlof Johansson This option enables a MPIC driver workaround for some chips 1260d72ba93SOlof Johansson that have a bug that causes some interrupt source information 1270d72ba93SOlof Johansson to not read back properly. It is safe to use on other chips as 1280d72ba93SOlof Johansson well, but enabling it uses about 8KB of memory to keep copies 1290d72ba93SOlof Johansson of the register contents in software. 1300d72ba93SOlof Johansson 1314330f5daSKumar Galaconfig IBMVIO 1324330f5daSKumar Gala depends on PPC_PSERIES || PPC_ISERIES 1334330f5daSKumar Gala bool 1344330f5daSKumar Gala default y 1354330f5daSKumar Gala 1364330f5daSKumar Galaconfig IBMEBUS 1374330f5daSKumar Gala depends on PPC_PSERIES 1384330f5daSKumar Gala bool "Support for GX bus based adapters" 1394330f5daSKumar Gala help 1404330f5daSKumar Gala Bus device driver for GX bus based adapters. 1414330f5daSKumar Gala 1424330f5daSKumar Galaconfig PPC_MPC106 1434330f5daSKumar Gala bool 1444330f5daSKumar Gala default n 1454330f5daSKumar Gala 1464330f5daSKumar Galaconfig PPC_970_NAP 1474330f5daSKumar Gala bool 1484330f5daSKumar Gala default n 1494330f5daSKumar Gala 1504330f5daSKumar Galaconfig PPC_INDIRECT_IO 1514330f5daSKumar Gala bool 1524330f5daSKumar Gala select GENERIC_IOMAP 1534330f5daSKumar Gala default n 1544330f5daSKumar Gala 1554330f5daSKumar Galaconfig GENERIC_IOMAP 1564330f5daSKumar Gala bool 1574330f5daSKumar Gala default n 1584330f5daSKumar Gala 1594330f5daSKumar Galasource "drivers/cpufreq/Kconfig" 1604330f5daSKumar Gala 161c146c958SOlof Johanssonmenu "CPU Frequency drivers" 162c146c958SOlof Johansson depends on CPU_FREQ 163c146c958SOlof Johansson 1644330f5daSKumar Galaconfig CPU_FREQ_PMAC 1654330f5daSKumar Gala bool "Support for Apple PowerBooks" 166c146c958SOlof Johansson depends on ADB_PMU && PPC32 1674330f5daSKumar Gala select CPU_FREQ_TABLE 1684330f5daSKumar Gala help 1694330f5daSKumar Gala This adds support for frequency switching on Apple PowerBooks, 1704330f5daSKumar Gala this currently includes some models of iBook & Titanium 1714330f5daSKumar Gala PowerBook. 1724330f5daSKumar Gala 1734330f5daSKumar Galaconfig CPU_FREQ_PMAC64 1744330f5daSKumar Gala bool "Support for some Apple G5s" 175c146c958SOlof Johansson depends on PPC_PMAC && PPC64 1764330f5daSKumar Gala select CPU_FREQ_TABLE 1774330f5daSKumar Gala help 1784330f5daSKumar Gala This adds support for frequency switching on Apple iMac G5, 1794330f5daSKumar Gala and some of the more recent desktop G5 machines as well. 1802e0c3370SOlof Johansson 1812e0c3370SOlof Johanssonconfig PPC_PASEMI_CPUFREQ 1822e0c3370SOlof Johansson bool "Support for PA Semi PWRficient" 183c146c958SOlof Johansson depends on PPC_PASEMI 1842e0c3370SOlof Johansson default y 1852e0c3370SOlof Johansson select CPU_FREQ_TABLE 1862e0c3370SOlof Johansson help 1872e0c3370SOlof Johansson This adds the support for frequency switching on PA Semi 1882e0c3370SOlof Johansson PWRficient processors. 1892e0c3370SOlof Johansson 190164a460dSKumar Galaendmenu 1914330f5daSKumar Gala 1924330f5daSKumar Galaconfig PPC601_SYNC_FIX 1934330f5daSKumar Gala bool "Workarounds for PPC601 bugs" 1944330f5daSKumar Gala depends on 6xx && (PPC_PREP || PPC_PMAC) 1954330f5daSKumar Gala help 1964330f5daSKumar Gala Some versions of the PPC601 (the first PowerPC chip) have bugs which 1974330f5daSKumar Gala mean that extra synchronization instructions are required near 1984330f5daSKumar Gala certain instructions, typically those that make major changes to the 1994330f5daSKumar Gala CPU state. These extra instructions reduce performance slightly. 2004330f5daSKumar Gala If you say N here, these extra instructions will not be included, 2014330f5daSKumar Gala resulting in a kernel which will run faster but may not run at all 2024330f5daSKumar Gala on some systems with the PPC601 chip. 2034330f5daSKumar Gala 2044330f5daSKumar Gala If in doubt, say Y here. 2054330f5daSKumar Gala 2064330f5daSKumar Galaconfig TAU 2074330f5daSKumar Gala bool "On-chip CPU temperature sensor support" 20828794d34SBenjamin Herrenschmidt depends on 6xx 2094330f5daSKumar Gala help 2104330f5daSKumar Gala G3 and G4 processors have an on-chip temperature sensor called the 2114330f5daSKumar Gala 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die 2124330f5daSKumar Gala temperature within 2-4 degrees Celsius. This option shows the current 2134330f5daSKumar Gala on-die temperature in /proc/cpuinfo if the cpu supports it. 2144330f5daSKumar Gala 2154330f5daSKumar Gala Unfortunately, on some chip revisions, this sensor is very inaccurate 2164330f5daSKumar Gala and in many cases, does not work at all, so don't assume the cpu 2174330f5daSKumar Gala temp is actually what /proc/cpuinfo says it is. 2184330f5daSKumar Gala 2194330f5daSKumar Galaconfig TAU_INT 2204330f5daSKumar Gala bool "Interrupt driven TAU driver (DANGEROUS)" 2214330f5daSKumar Gala depends on TAU 2224330f5daSKumar Gala ---help--- 2234330f5daSKumar Gala The TAU supports an interrupt driven mode which causes an interrupt 2244330f5daSKumar Gala whenever the temperature goes out of range. This is the fastest way 2254330f5daSKumar Gala to get notified the temp has exceeded a range. With this option off, 2264330f5daSKumar Gala a timer is used to re-check the temperature periodically. 2274330f5daSKumar Gala 2284330f5daSKumar Gala However, on some cpus it appears that the TAU interrupt hardware 2294330f5daSKumar Gala is buggy and can cause a situation which would lead unexplained hard 2304330f5daSKumar Gala lockups. 2314330f5daSKumar Gala 2324330f5daSKumar Gala Unless you are extending the TAU driver, or enjoy kernel/hardware 2334330f5daSKumar Gala debugging, leave this option off. 2344330f5daSKumar Gala 2354330f5daSKumar Galaconfig TAU_AVERAGE 2364330f5daSKumar Gala bool "Average high and low temp" 2374330f5daSKumar Gala depends on TAU 2384330f5daSKumar Gala ---help--- 2394330f5daSKumar Gala The TAU hardware can compare the temperature to an upper and lower 2404330f5daSKumar Gala bound. The default behavior is to show both the upper and lower 2414330f5daSKumar Gala bound in /proc/cpuinfo. If the range is large, the temperature is 2424330f5daSKumar Gala either changing a lot, or the TAU hardware is broken (likely on some 2434330f5daSKumar Gala G4's). If the range is small (around 4 degrees), the temperature is 2444330f5daSKumar Gala relatively stable. If you say Y here, a single temperature value, 2454330f5daSKumar Gala halfway between the upper and lower bounds, will be reported in 2464330f5daSKumar Gala /proc/cpuinfo. 2474330f5daSKumar Gala 2484330f5daSKumar Gala If in doubt, say N here. 2494330f5daSKumar Gala 25098750261SKumar Galaconfig QUICC_ENGINE 2514e330bcfSTimur Tabi bool "Freescale QUICC Engine (QE) Support" 2524e330bcfSTimur Tabi depends on FSL_SOC 2531088a209SSylvain Munaut select PPC_LIB_RHEAP 254bc556ba9STimur Tabi select CRC32 25598750261SKumar Gala help 25698750261SKumar Gala The QUICC Engine (QE) is a new generation of communications 25798750261SKumar Gala coprocessors on Freescale embedded CPUs (akin to CPM in older chips). 25898750261SKumar Gala Selecting this option means that you wish to build a kernel 25998750261SKumar Gala for a machine with a QE coprocessor. 26098750261SKumar Gala 2615c091193SAnton Vorontsovconfig QE_GPIO 2625c091193SAnton Vorontsov bool "QE GPIO support" 2635c091193SAnton Vorontsov depends on QUICC_ENGINE 2645c091193SAnton Vorontsov select GENERIC_GPIO 2655c091193SAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 2665c091193SAnton Vorontsov help 2675c091193SAnton Vorontsov Say Y here if you're going to use hardware that connects to the 2685c091193SAnton Vorontsov QE GPIOs. 2695c091193SAnton Vorontsov 270d6071f88SKumar Galaconfig CPM2 271b8b3caf3SPaul Gortmaker bool "Enable support for the CPM2 (Communications Processor Module)" 2725753c082SKumar Gala depends on (FSL_SOC_BOOKE && PPC32) || 8260 273c374e00eSScott Wood select CPM 2741088a209SSylvain Munaut select PPC_LIB_RHEAP 275b500563bSJohn Rigby select PPC_PCI_CHOICE 276e193325eSLaurent Pinchart select ARCH_REQUIRE_GPIOLIB 277e193325eSLaurent Pinchart select GENERIC_GPIO 278d6071f88SKumar Gala help 279d6071f88SKumar Gala The CPM2 (Communications Processor Module) is a coprocessor on 280d6071f88SKumar Gala embedded CPUs made by Freescale. Selecting this option means that 281d6071f88SKumar Gala you wish to build a kernel for a machine with a CPM2 coprocessor 282d6071f88SKumar Gala on it (826x, 827x, 8560). 283d6071f88SKumar Gala 284dbdf04c4SMaxim Shchetyninconfig AXON_RAM 285dbdf04c4SMaxim Shchetynin tristate "Axon DDR2 memory device driver" 286ebf0f334SMichael Ellerman depends on PPC_IBM_CELL_BLADE && BLOCK 287dbdf04c4SMaxim Shchetynin default m 288dbdf04c4SMaxim Shchetynin help 289dbdf04c4SMaxim Shchetynin It registers one block device per Axon's DDR2 memory bank found 290dbdf04c4SMaxim Shchetynin on a system. Block devices are called axonram?, their major and 291dbdf04c4SMaxim Shchetynin minor numbers are available in /proc/devices, /proc/partitions or 292dbdf04c4SMaxim Shchetynin in /sys/block/axonram?/dev. 293dbdf04c4SMaxim Shchetynin 294b66510cbSKumar Galaconfig FSL_ULI1575 295b66510cbSKumar Gala bool 296b66510cbSKumar Gala default n 297fb4f0e88SKumar Gala select GENERIC_ISA_DMA 298b66510cbSKumar Gala help 299b66510cbSKumar Gala Supports for the ULI1575 PCIe south bridge that exists on some 300b66510cbSKumar Gala Freescale reference boards. The boards all use the ULI in pretty 301b66510cbSKumar Gala much the same way. 302b66510cbSKumar Gala 303c374e00eSScott Woodconfig CPM 304c374e00eSScott Wood bool 30580776554SLaurent Pinchart select PPC_CLOCK 306c374e00eSScott Wood 30722258fa4SDavid Gibsonconfig OF_RTC 30822258fa4SDavid Gibson bool 30922258fa4SDavid Gibson help 310692105b8SMatt LaPlante Uses information from the OF or flattened device tree to instantiate 31122258fa4SDavid Gibson platform devices for direct mapped RTC chips like the DS1742 or DS1743. 31222258fa4SDavid Gibson 3132f9ea1bdSSylvain Munautsource "arch/powerpc/sysdev/bestcomm/Kconfig" 3142f9ea1bdSSylvain Munaut 315782f04fcSKumar Galaconfig MPC8xxx_GPIO 316e39d5ef6SAnatolij Gustschin bool "MPC512x/MPC8xxx GPIO support" 317e39d5ef6SAnatolij Gustschin depends on PPC_MPC512x || PPC_MPC831x || PPC_MPC834x || PPC_MPC837x || \ 318e39d5ef6SAnatolij Gustschin FSL_SOC_BOOKE || PPC_86xx 319782f04fcSKumar Gala select GENERIC_GPIO 320782f04fcSKumar Gala select ARCH_REQUIRE_GPIOLIB 321782f04fcSKumar Gala help 322782f04fcSKumar Gala Say Y here if you're going to use hardware that connects to the 323e39d5ef6SAnatolij Gustschin MPC512x/831x/834x/837x/8572/8610 GPIOs. 324782f04fcSKumar Gala 3253d64de9cSAnton Vorontsovconfig SIMPLE_GPIO 3263d64de9cSAnton Vorontsov bool "Support for simple, memory-mapped GPIO controllers" 3273d64de9cSAnton Vorontsov depends on PPC 3283d64de9cSAnton Vorontsov select GENERIC_GPIO 3293d64de9cSAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 3303d64de9cSAnton Vorontsov help 3313d64de9cSAnton Vorontsov Say Y here to support simple, memory-mapped GPIO controllers. 3323d64de9cSAnton Vorontsov These are usually BCSRs used to control board's switches, LEDs, 3333d64de9cSAnton Vorontsov chip-selects, Ethernet/USB PHY's power and various other small 3343d64de9cSAnton Vorontsov on-board peripherals. 3353d64de9cSAnton Vorontsov 336ea0105eaSAnton Vorontsovconfig MCU_MPC8349EMITX 337ea0105eaSAnton Vorontsov tristate "MPC8349E-mITX MCU driver" 338ea0105eaSAnton Vorontsov depends on I2C && PPC_83xx 339ea0105eaSAnton Vorontsov select GENERIC_GPIO 340ea0105eaSAnton Vorontsov select ARCH_REQUIRE_GPIOLIB 341ea0105eaSAnton Vorontsov help 342ea0105eaSAnton Vorontsov Say Y here to enable soft power-off functionality on the Freescale 343ea0105eaSAnton Vorontsov boards with the MPC8349E-mITX-compatible MCU chips. This driver will 344ea0105eaSAnton Vorontsov also register MCU GPIOs with the generic GPIO API, so you'll able 345ea0105eaSAnton Vorontsov to use MCU pins as GPIOs. 346ea0105eaSAnton Vorontsov 34764f16502SRoderick Colenbranderconfig XILINX_PCI 34864f16502SRoderick Colenbrander bool "Xilinx PCI host bridge support" 34964f16502SRoderick Colenbrander depends on PCI && XILINX_VIRTEX 35064f16502SRoderick Colenbrander 3514330f5daSKumar Galaendmenu 352