1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 24330f5daSKumar Galamenu "Platform support" 34330f5daSKumar Gala 455190f88SBenjamin Herrenschmidtsource "arch/powerpc/platforms/powernv/Kconfig" 54330f5daSKumar Galasource "arch/powerpc/platforms/pseries/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/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" 23413d6ed3SHaren Mynenisource "arch/powerpc/platforms/book3s/Kconfig" 24*53d143feSPaul Mackerrassource "arch/powerpc/platforms/microwatt/Kconfig" 254330f5daSKumar Gala 26d17051cbSAlexander Grafconfig KVM_GUEST 27d17051cbSAlexander Graf bool "KVM Guest support" 282e1ae9c0SLiu Yu-B13201 select EPAPR_PARAVIRT 29a7f7f624SMasahiro Yamada 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 362e1ae9c0SLiu Yu-B13201config EPAPR_PARAVIRT 372e1ae9c0SLiu Yu-B13201 bool "ePAPR para-virtualization support" 382e1ae9c0SLiu Yu-B13201 help 392e1ae9c0SLiu Yu-B13201 Enables ePAPR para-virtualization support for guests. 402e1ae9c0SLiu Yu-B13201 412e1ae9c0SLiu Yu-B13201 In case of doubt, say Y 422e1ae9c0SLiu Yu-B13201 434330f5daSKumar Galaconfig PPC_NATIVE 444330f5daSKumar Gala bool 45be34fff0SChristophe Leroy depends on PPC_BOOK3S_32 || PPC64 464330f5daSKumar Gala help 474330f5daSKumar Gala Support for running natively on the hardware, i.e. without 484330f5daSKumar Gala a hypervisor. This option is not user-selectable but should 494330f5daSKumar Gala be selected by all platforms that need it. 504330f5daSKumar Gala 5128794d34SBenjamin Herrenschmidtconfig PPC_OF_BOOT_TRAMPOLINE 5228794d34SBenjamin Herrenschmidt bool "Support booting from Open Firmware or yaboot" 53be34fff0SChristophe Leroy depends on PPC_BOOK3S_32 || PPC64 5428794d34SBenjamin Herrenschmidt default y 5528794d34SBenjamin Herrenschmidt help 5628794d34SBenjamin Herrenschmidt Support from booting from Open Firmware or yaboot using an 5728794d34SBenjamin Herrenschmidt Open Firmware client interface. This enables the kernel to 58f65e51d7SSylvestre Ledru communicate with open firmware to retrieve system information 5928794d34SBenjamin Herrenschmidt such as the device tree. 6028794d34SBenjamin Herrenschmidt 6128794d34SBenjamin Herrenschmidt In case of doubt, say Y 6228794d34SBenjamin Herrenschmidt 63c6ee9619SMichael Ellermanconfig PPC_DT_CPU_FTRS 64c6ee9619SMichael Ellerman bool "Device-tree based CPU feature discovery & setup" 65c6ee9619SMichael Ellerman depends on PPC_BOOK3S_64 66c6ee9619SMichael Ellerman default y 67c6ee9619SMichael Ellerman help 68c6ee9619SMichael Ellerman This enables code to use a new device tree binding for describing CPU 69c6ee9619SMichael Ellerman compatibility and features. Saying Y here will attempt to use the new 70c6ee9619SMichael Ellerman binding if the firmware provides it. Currently only the skiboot 71c6ee9619SMichael Ellerman firmware provides this binding. 72c6ee9619SMichael Ellerman If you're not sure say Y. 73c6ee9619SMichael Ellerman 744330f5daSKumar Galaconfig UDBG_RTAS_CONSOLE 754330f5daSKumar Gala bool "RTAS based debug console" 764330f5daSKumar Gala depends on PPC_RTAS 774330f5daSKumar Gala 781ece355bSMilton Millerconfig PPC_SMP_MUXED_IPI 791ece355bSMilton Miller bool 801ece355bSMilton Miller help 8183fc61a5SMasanari Iida Select this option if your platform supports SMP and your 821ece355bSMilton Miller interrupt controller provides less than 4 interrupts to each 831ece355bSMilton Miller cpu. This will enable the generic code to multiplex the 4 841ece355bSMilton Miller messages on to one ipi. 851ece355bSMilton Miller 86b0bbad60SJohn Rigbyconfig IPIC 87b0bbad60SJohn Rigby bool 88b0bbad60SJohn Rigby 8998750261SKumar Galaconfig MPIC 9098750261SKumar Gala bool 9198750261SKumar Gala 9236ca09beSDongsheng.wang@freescale.comconfig MPIC_TIMER 9336ca09beSDongsheng.wang@freescale.com bool "MPIC Global Timer" 9436ca09beSDongsheng.wang@freescale.com depends on MPIC && FSL_SOC 9536ca09beSDongsheng.wang@freescale.com help 9636ca09beSDongsheng.wang@freescale.com The MPIC global timer is a hardware timer inside the 9736ca09beSDongsheng.wang@freescale.com Freescale PIC complying with OpenPIC standard. When the 9836ca09beSDongsheng.wang@freescale.com specified interval times out, the hardware timer generates 9936ca09beSDongsheng.wang@freescale.com an interrupt. The driver currently is only tested on fsl 10036ca09beSDongsheng.wang@freescale.com chip, but it can potentially support other global timers 10136ca09beSDongsheng.wang@freescale.com complying with the OpenPIC standard. 10236ca09beSDongsheng.wang@freescale.com 103a63b3bc7SDongsheng.wang@freescale.comconfig FSL_MPIC_TIMER_WAKEUP 104a63b3bc7SDongsheng.wang@freescale.com tristate "Freescale MPIC global timer wakeup driver" 105a63b3bc7SDongsheng.wang@freescale.com depends on FSL_SOC && MPIC_TIMER && PM 106a63b3bc7SDongsheng.wang@freescale.com help 107a63b3bc7SDongsheng.wang@freescale.com The driver provides a way to wake up the system by MPIC 108a63b3bc7SDongsheng.wang@freescale.com timer. 109a63b3bc7SDongsheng.wang@freescale.com e.g. "echo 5 > /sys/devices/system/mpic/timer_wakeup" 110a63b3bc7SDongsheng.wang@freescale.com 1113a93261fSAshish Kalraconfig PPC_EPAPR_HV_PIC 1123a93261fSAshish Kalra bool 11340656397SStuart Yoder select EPAPR_PARAVIRT 1143a93261fSAshish Kalra 11598750261SKumar Galaconfig MPIC_WEIRD 11698750261SKumar Gala bool 11798750261SKumar Gala 1188626816eSJia Hongtaoconfig MPIC_MSGR 1198626816eSJia Hongtao bool "MPIC message register support" 1208626816eSJia Hongtao depends on MPIC 1218626816eSJia Hongtao help 1228626816eSJia Hongtao Enables support for the MPIC message registers. These 1238626816eSJia Hongtao registers are used for inter-processor communication. 1248626816eSJia Hongtao 12598750261SKumar Galaconfig PPC_I8259 12698750261SKumar Gala bool 12798750261SKumar Gala 1284330f5daSKumar Galaconfig U3_DART 1294330f5daSKumar Gala bool 13028794d34SBenjamin Herrenschmidt depends on PPC64 1314330f5daSKumar Gala 1324330f5daSKumar Galaconfig PPC_RTAS 1334330f5daSKumar Gala bool 1344330f5daSKumar Gala 1354330f5daSKumar Galaconfig RTAS_ERROR_LOGGING 1364330f5daSKumar Gala bool 1374330f5daSKumar Gala depends on PPC_RTAS 1384330f5daSKumar Gala 1393d541c4bSBenjamin Herrenschmidtconfig PPC_RTAS_DAEMON 1403d541c4bSBenjamin Herrenschmidt bool 1413d541c4bSBenjamin Herrenschmidt depends on PPC_RTAS 1423d541c4bSBenjamin Herrenschmidt 1434330f5daSKumar Galaconfig RTAS_PROC 1444330f5daSKumar Gala bool "Proc interface to RTAS" 145b80ec3dcSMichael Ellerman depends on PPC_RTAS && PROC_FS 1464330f5daSKumar Gala default y 1474330f5daSKumar Gala 1484330f5daSKumar Galaconfig RTAS_FLASH 1494330f5daSKumar Gala tristate "Firmware flash interface" 1504330f5daSKumar Gala depends on PPC64 && RTAS_PROC 1514330f5daSKumar Gala 1524330f5daSKumar Galaconfig MMIO_NVRAM 1534330f5daSKumar Gala bool 1544330f5daSKumar Gala 1556cfef5b2SMichael Ellermanconfig MPIC_U3_HT_IRQS 1564330f5daSKumar Gala bool 1574330f5daSKumar Gala 1580d72ba93SOlof Johanssonconfig MPIC_BROKEN_REGREAD 1590d72ba93SOlof Johansson bool 1600d72ba93SOlof Johansson depends on MPIC 1610d72ba93SOlof Johansson help 1620d72ba93SOlof Johansson This option enables a MPIC driver workaround for some chips 1630d72ba93SOlof Johansson that have a bug that causes some interrupt source information 1640d72ba93SOlof Johansson to not read back properly. It is safe to use on other chips as 1650d72ba93SOlof Johansson well, but enabling it uses about 8KB of memory to keep copies 1660d72ba93SOlof Johansson of the register contents in software. 1670d72ba93SOlof Johansson 168317f06deSGavin Shanconfig EEH 169317f06deSGavin Shan bool 170317f06deSGavin Shan depends on (PPC_POWERNV || PPC_PSERIES) && PCI 171317f06deSGavin Shan default y 172317f06deSGavin Shan 1734330f5daSKumar Galaconfig PPC_MPC106 1744330f5daSKumar Gala bool 1754330f5daSKumar Gala 1764330f5daSKumar Galaconfig PPC_970_NAP 1774330f5daSKumar Gala bool 1784330f5daSKumar Gala 179948cf67cSBenjamin Herrenschmidtconfig PPC_P7_NAP 180948cf67cSBenjamin Herrenschmidt bool 181948cf67cSBenjamin Herrenschmidt 182ed0bc98fSNicholas Pigginconfig PPC_BOOK3S_IDLE 183ed0bc98fSNicholas Piggin def_bool y 184ed0bc98fSNicholas Piggin depends on (PPC_970_NAP || PPC_P7_NAP) 185ed0bc98fSNicholas Piggin 186ecd73cc5SBenjamin Herrenschmidtconfig PPC_INDIRECT_PIO 1874330f5daSKumar Gala bool 1884330f5daSKumar Gala select GENERIC_IOMAP 18921176fedSMichael Ellerman 19021176fedSMichael Ellermanconfig PPC_INDIRECT_MMIO 19121176fedSMichael Ellerman bool 1924330f5daSKumar Gala 1933cc30d07SMichael Ellermanconfig PPC_IO_WORKAROUNDS 1943cc30d07SMichael Ellerman bool 1953cc30d07SMichael Ellerman 1964330f5daSKumar Galasource "drivers/cpufreq/Kconfig" 1974330f5daSKumar Gala 198e179816cSDeepthi Dharwarmenu "CPUIdle driver" 199e179816cSDeepthi Dharwar 200e179816cSDeepthi Dharwarsource "drivers/cpuidle/Kconfig" 201e179816cSDeepthi Dharwar 202e179816cSDeepthi Dharwarendmenu 203e179816cSDeepthi Dharwar 2044330f5daSKumar Galaconfig TAU 2054330f5daSKumar Gala bool "On-chip CPU temperature sensor support" 206be34fff0SChristophe Leroy depends on PPC_BOOK3S_32 2074330f5daSKumar Gala help 2084330f5daSKumar Gala G3 and G4 processors have an on-chip temperature sensor called the 2094330f5daSKumar Gala 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die 2104330f5daSKumar Gala temperature within 2-4 degrees Celsius. This option shows the current 2114330f5daSKumar Gala on-die temperature in /proc/cpuinfo if the cpu supports it. 2124330f5daSKumar Gala 2135e3119e1SFinn Thain Unfortunately, this sensor is very inaccurate when uncalibrated, so 2145e3119e1SFinn Thain don't assume the cpu temp is actually what /proc/cpuinfo says it is. 2154330f5daSKumar Gala 2164330f5daSKumar Galaconfig TAU_INT 217e63d6fb5SFinn Thain bool "Interrupt driven TAU driver (EXPERIMENTAL)" 2184330f5daSKumar Gala depends on TAU 219a7f7f624SMasahiro Yamada help 2204330f5daSKumar Gala The TAU supports an interrupt driven mode which causes an interrupt 2214330f5daSKumar Gala whenever the temperature goes out of range. This is the fastest way 2224330f5daSKumar Gala to get notified the temp has exceeded a range. With this option off, 2234330f5daSKumar Gala a timer is used to re-check the temperature periodically. 2244330f5daSKumar Gala 225e63d6fb5SFinn Thain If in doubt, say N here. 2264330f5daSKumar Gala 2274330f5daSKumar Galaconfig TAU_AVERAGE 2284330f5daSKumar Gala bool "Average high and low temp" 2294330f5daSKumar Gala depends on TAU 230a7f7f624SMasahiro Yamada help 2314330f5daSKumar Gala The TAU hardware can compare the temperature to an upper and lower 2324330f5daSKumar Gala bound. The default behavior is to show both the upper and lower 2334330f5daSKumar Gala bound in /proc/cpuinfo. If the range is large, the temperature is 2344330f5daSKumar Gala either changing a lot, or the TAU hardware is broken (likely on some 2354330f5daSKumar Gala G4's). If the range is small (around 4 degrees), the temperature is 2364330f5daSKumar Gala relatively stable. If you say Y here, a single temperature value, 2374330f5daSKumar Gala halfway between the upper and lower bounds, will be reported in 2384330f5daSKumar Gala /proc/cpuinfo. 2394330f5daSKumar Gala 2404330f5daSKumar Gala If in doubt, say N here. 2414330f5daSKumar Gala 2425c091193SAnton Vorontsovconfig QE_GPIO 2435c091193SAnton Vorontsov bool "QE GPIO support" 2445c091193SAnton Vorontsov depends on QUICC_ENGINE 24586c55af4SLinus Walleij select GPIOLIB 2465c091193SAnton Vorontsov help 2475c091193SAnton Vorontsov Say Y here if you're going to use hardware that connects to the 2485c091193SAnton Vorontsov QE GPIOs. 2495c091193SAnton Vorontsov 250d6071f88SKumar Galaconfig CPM2 251b8b3caf3SPaul Gortmaker bool "Enable support for the CPM2 (Communications Processor Module)" 2525753c082SKumar Gala depends on (FSL_SOC_BOOKE && PPC32) || 8260 253c374e00eSScott Wood select CPM 254eb01d42aSChristoph Hellwig select HAVE_PCI 25586c55af4SLinus Walleij select GPIOLIB 256d6071f88SKumar Gala help 257d6071f88SKumar Gala The CPM2 (Communications Processor Module) is a coprocessor on 258d6071f88SKumar Gala embedded CPUs made by Freescale. Selecting this option means that 259d6071f88SKumar Gala you wish to build a kernel for a machine with a CPM2 coprocessor 260d6071f88SKumar Gala on it (826x, 827x, 8560). 261d6071f88SKumar Gala 262b66510cbSKumar Galaconfig FSL_ULI1575 263b66510cbSKumar Gala bool 264fb4f0e88SKumar Gala select GENERIC_ISA_DMA 265b66510cbSKumar Gala help 266b66510cbSKumar Gala Supports for the ULI1575 PCIe south bridge that exists on some 267b66510cbSKumar Gala Freescale reference boards. The boards all use the ULI in pretty 268b66510cbSKumar Gala much the same way. 269b66510cbSKumar Gala 270c374e00eSScott Woodconfig CPM 271c374e00eSScott Wood bool 2720e6e01ffSZhao Qiang select GENERIC_ALLOCATOR 273c374e00eSScott Wood 27422258fa4SDavid Gibsonconfig OF_RTC 27522258fa4SDavid Gibson bool 27622258fa4SDavid Gibson help 277692105b8SMatt LaPlante Uses information from the OF or flattened device tree to instantiate 27822258fa4SDavid Gibson platform devices for direct mapped RTC chips like the DS1742 or DS1743. 27922258fa4SDavid Gibson 280835ea93eSArnd Bergmannconfig GEN_RTC 281835ea93eSArnd Bergmann bool "Use the platform RTC operations from user space" 282835ea93eSArnd Bergmann select RTC_CLASS 283835ea93eSArnd Bergmann select RTC_DRV_GENERIC 284835ea93eSArnd Bergmann help 285835ea93eSArnd Bergmann This option provides backwards compatibility with the old gen_rtc.ko 286835ea93eSArnd Bergmann module that was traditionally used for old PowerPC machines. 287835ea93eSArnd Bergmann Platforms should migrate to enabling the RTC_DRV_GENERIC by hand 288835ea93eSArnd Bergmann replacing their get_rtc_time/set_rtc_time callbacks with 289835ea93eSArnd Bergmann a proper RTC device driver. 290835ea93eSArnd Bergmann 291ea0105eaSAnton Vorontsovconfig MCU_MPC8349EMITX 2926ca6ca5dSFabio Baltieri bool "MPC8349E-mITX MCU driver" 29382640a6bSAl Viro depends on I2C=y && PPC_83xx 29486c55af4SLinus Walleij select GPIOLIB 295ea0105eaSAnton Vorontsov help 296ea0105eaSAnton Vorontsov Say Y here to enable soft power-off functionality on the Freescale 297ea0105eaSAnton Vorontsov boards with the MPC8349E-mITX-compatible MCU chips. This driver will 298ea0105eaSAnton Vorontsov also register MCU GPIOs with the generic GPIO API, so you'll able 299ea0105eaSAnton Vorontsov to use MCU pins as GPIOs. 300ea0105eaSAnton Vorontsov 3014330f5daSKumar Galaendmenu 302