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" 2453d143feSPaul 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 437ebc4903SNicholas Pigginconfig PPC_HASH_MMU_NATIVE 444330f5daSKumar Gala bool 457ebc4903SNicholas Piggin depends on PPC_BOOK3S 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 5424d33ac5SMichael Ellerman select RELOCATABLE if PPC64 5528794d34SBenjamin Herrenschmidt default y 5628794d34SBenjamin Herrenschmidt help 5728794d34SBenjamin Herrenschmidt Support from booting from Open Firmware or yaboot using an 5828794d34SBenjamin Herrenschmidt Open Firmware client interface. This enables the kernel to 59f65e51d7SSylvestre Ledru communicate with open firmware to retrieve system information 6028794d34SBenjamin Herrenschmidt such as the device tree. 6128794d34SBenjamin Herrenschmidt 6228794d34SBenjamin Herrenschmidt In case of doubt, say Y 6328794d34SBenjamin Herrenschmidt 64c6ee9619SMichael Ellermanconfig PPC_DT_CPU_FTRS 65c6ee9619SMichael Ellerman bool "Device-tree based CPU feature discovery & setup" 66c6ee9619SMichael Ellerman depends on PPC_BOOK3S_64 67c6ee9619SMichael Ellerman default y 68c6ee9619SMichael Ellerman help 69c6ee9619SMichael Ellerman This enables code to use a new device tree binding for describing CPU 70c6ee9619SMichael Ellerman compatibility and features. Saying Y here will attempt to use the new 71c6ee9619SMichael Ellerman binding if the firmware provides it. Currently only the skiboot 72c6ee9619SMichael Ellerman firmware provides this binding. 73c6ee9619SMichael Ellerman If you're not sure say Y. 74c6ee9619SMichael Ellerman 754330f5daSKumar Galaconfig UDBG_RTAS_CONSOLE 764330f5daSKumar Gala bool "RTAS based debug console" 774330f5daSKumar Gala depends on PPC_RTAS 784330f5daSKumar Gala 791ece355bSMilton Millerconfig PPC_SMP_MUXED_IPI 801ece355bSMilton Miller bool 811ece355bSMilton Miller help 8283fc61a5SMasanari Iida Select this option if your platform supports SMP and your 831ece355bSMilton Miller interrupt controller provides less than 4 interrupts to each 841ece355bSMilton Miller cpu. This will enable the generic code to multiplex the 4 851ece355bSMilton Miller messages on to one ipi. 861ece355bSMilton Miller 87b0bbad60SJohn Rigbyconfig IPIC 88b0bbad60SJohn Rigby bool 89b0bbad60SJohn Rigby 9098750261SKumar Galaconfig MPIC 9198750261SKumar Gala bool 9298750261SKumar Gala 9336ca09beSDongsheng.wang@freescale.comconfig MPIC_TIMER 9436ca09beSDongsheng.wang@freescale.com bool "MPIC Global Timer" 9536ca09beSDongsheng.wang@freescale.com depends on MPIC && FSL_SOC 9636ca09beSDongsheng.wang@freescale.com help 9736ca09beSDongsheng.wang@freescale.com The MPIC global timer is a hardware timer inside the 9836ca09beSDongsheng.wang@freescale.com Freescale PIC complying with OpenPIC standard. When the 9936ca09beSDongsheng.wang@freescale.com specified interval times out, the hardware timer generates 10036ca09beSDongsheng.wang@freescale.com an interrupt. The driver currently is only tested on fsl 10136ca09beSDongsheng.wang@freescale.com chip, but it can potentially support other global timers 10236ca09beSDongsheng.wang@freescale.com complying with the OpenPIC standard. 10336ca09beSDongsheng.wang@freescale.com 104a63b3bc7SDongsheng.wang@freescale.comconfig FSL_MPIC_TIMER_WAKEUP 105a63b3bc7SDongsheng.wang@freescale.com tristate "Freescale MPIC global timer wakeup driver" 106a63b3bc7SDongsheng.wang@freescale.com depends on FSL_SOC && MPIC_TIMER && PM 107a63b3bc7SDongsheng.wang@freescale.com help 108a63b3bc7SDongsheng.wang@freescale.com The driver provides a way to wake up the system by MPIC 109a63b3bc7SDongsheng.wang@freescale.com timer. 110a63b3bc7SDongsheng.wang@freescale.com e.g. "echo 5 > /sys/devices/system/mpic/timer_wakeup" 111a63b3bc7SDongsheng.wang@freescale.com 1123a93261fSAshish Kalraconfig PPC_EPAPR_HV_PIC 1133a93261fSAshish Kalra bool 11440656397SStuart Yoder select EPAPR_PARAVIRT 1153a93261fSAshish Kalra 11698750261SKumar Galaconfig MPIC_WEIRD 11798750261SKumar Gala bool 11898750261SKumar Gala 1198626816eSJia Hongtaoconfig MPIC_MSGR 1208626816eSJia Hongtao bool "MPIC message register support" 1218626816eSJia Hongtao depends on MPIC 1228626816eSJia Hongtao help 1238626816eSJia Hongtao Enables support for the MPIC message registers. These 1248626816eSJia Hongtao registers are used for inter-processor communication. 1258626816eSJia Hongtao 12698750261SKumar Galaconfig PPC_I8259 12798750261SKumar Gala bool 12898750261SKumar Gala 1294330f5daSKumar Galaconfig U3_DART 1304330f5daSKumar Gala bool 13128794d34SBenjamin Herrenschmidt depends on PPC64 1324330f5daSKumar Gala 1334330f5daSKumar Galaconfig PPC_RTAS 1344330f5daSKumar Gala bool 1354330f5daSKumar Gala 1364330f5daSKumar Galaconfig RTAS_ERROR_LOGGING 1374330f5daSKumar Gala bool 1384330f5daSKumar Gala depends on PPC_RTAS 1394330f5daSKumar Gala 1403d541c4bSBenjamin Herrenschmidtconfig PPC_RTAS_DAEMON 1413d541c4bSBenjamin Herrenschmidt bool 1423d541c4bSBenjamin Herrenschmidt depends on PPC_RTAS 1433d541c4bSBenjamin Herrenschmidt 1444330f5daSKumar Galaconfig RTAS_PROC 1454330f5daSKumar Gala bool "Proc interface to RTAS" 146b80ec3dcSMichael Ellerman depends on PPC_RTAS && PROC_FS 1474330f5daSKumar Gala default y 1484330f5daSKumar Gala 1494330f5daSKumar Galaconfig RTAS_FLASH 1504330f5daSKumar Gala tristate "Firmware flash interface" 1514330f5daSKumar Gala depends on PPC64 && RTAS_PROC 1524330f5daSKumar Gala 1534330f5daSKumar Galaconfig MMIO_NVRAM 1544330f5daSKumar Gala bool 1554330f5daSKumar Gala 1566cfef5b2SMichael Ellermanconfig MPIC_U3_HT_IRQS 1574330f5daSKumar Gala bool 1584330f5daSKumar Gala 1590d72ba93SOlof Johanssonconfig MPIC_BROKEN_REGREAD 1600d72ba93SOlof Johansson bool 1610d72ba93SOlof Johansson depends on MPIC 1620d72ba93SOlof Johansson help 1630d72ba93SOlof Johansson This option enables a MPIC driver workaround for some chips 1640d72ba93SOlof Johansson that have a bug that causes some interrupt source information 1650d72ba93SOlof Johansson to not read back properly. It is safe to use on other chips as 1660d72ba93SOlof Johansson well, but enabling it uses about 8KB of memory to keep copies 1670d72ba93SOlof Johansson of the register contents in software. 1680d72ba93SOlof Johansson 169317f06deSGavin Shanconfig EEH 170317f06deSGavin Shan bool 171317f06deSGavin Shan depends on (PPC_POWERNV || PPC_PSERIES) && PCI 172317f06deSGavin Shan default y 173317f06deSGavin Shan 1744330f5daSKumar Galaconfig PPC_MPC106 1754330f5daSKumar Gala bool 1764330f5daSKumar Gala 1774330f5daSKumar Galaconfig PPC_970_NAP 1784330f5daSKumar Gala bool 1794330f5daSKumar Gala 180948cf67cSBenjamin Herrenschmidtconfig PPC_P7_NAP 181948cf67cSBenjamin Herrenschmidt bool 182948cf67cSBenjamin Herrenschmidt 183ed0bc98fSNicholas Pigginconfig PPC_BOOK3S_IDLE 184ed0bc98fSNicholas Piggin def_bool y 185ed0bc98fSNicholas Piggin depends on (PPC_970_NAP || PPC_P7_NAP) 186ed0bc98fSNicholas Piggin 187ecd73cc5SBenjamin Herrenschmidtconfig PPC_INDIRECT_PIO 1884330f5daSKumar Gala bool 1894330f5daSKumar Gala select GENERIC_IOMAP 19021176fedSMichael Ellerman 19121176fedSMichael Ellermanconfig PPC_INDIRECT_MMIO 19221176fedSMichael Ellerman bool 1934330f5daSKumar Gala 1943cc30d07SMichael Ellermanconfig PPC_IO_WORKAROUNDS 1953cc30d07SMichael Ellerman bool 1963cc30d07SMichael Ellerman 1974330f5daSKumar Galasource "drivers/cpufreq/Kconfig" 1984330f5daSKumar Gala 199e179816cSDeepthi Dharwarmenu "CPUIdle driver" 200e179816cSDeepthi Dharwar 201e179816cSDeepthi Dharwarsource "drivers/cpuidle/Kconfig" 202e179816cSDeepthi Dharwar 203e179816cSDeepthi Dharwarendmenu 204e179816cSDeepthi Dharwar 2054330f5daSKumar Galaconfig TAU 2064330f5daSKumar Gala bool "On-chip CPU temperature sensor support" 207be34fff0SChristophe Leroy depends on PPC_BOOK3S_32 2084330f5daSKumar Gala help 2094330f5daSKumar Gala G3 and G4 processors have an on-chip temperature sensor called the 2104330f5daSKumar Gala 'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die 2114330f5daSKumar Gala temperature within 2-4 degrees Celsius. This option shows the current 2124330f5daSKumar Gala on-die temperature in /proc/cpuinfo if the cpu supports it. 2134330f5daSKumar Gala 2145e3119e1SFinn Thain Unfortunately, this sensor is very inaccurate when uncalibrated, so 2155e3119e1SFinn Thain don't assume the cpu temp is actually what /proc/cpuinfo says it is. 2164330f5daSKumar Gala 2174330f5daSKumar Galaconfig TAU_INT 218e63d6fb5SFinn Thain bool "Interrupt driven TAU driver (EXPERIMENTAL)" 2194330f5daSKumar Gala depends on TAU 220a7f7f624SMasahiro Yamada help 2214330f5daSKumar Gala The TAU supports an interrupt driven mode which causes an interrupt 2224330f5daSKumar Gala whenever the temperature goes out of range. This is the fastest way 2234330f5daSKumar Gala to get notified the temp has exceeded a range. With this option off, 2244330f5daSKumar Gala a timer is used to re-check the temperature periodically. 2254330f5daSKumar Gala 226e63d6fb5SFinn Thain If in doubt, say N here. 2274330f5daSKumar Gala 2284330f5daSKumar Galaconfig TAU_AVERAGE 2294330f5daSKumar Gala bool "Average high and low temp" 2304330f5daSKumar Gala depends on TAU 231a7f7f624SMasahiro Yamada help 2324330f5daSKumar Gala The TAU hardware can compare the temperature to an upper and lower 2334330f5daSKumar Gala bound. The default behavior is to show both the upper and lower 2344330f5daSKumar Gala bound in /proc/cpuinfo. If the range is large, the temperature is 2354330f5daSKumar Gala either changing a lot, or the TAU hardware is broken (likely on some 2364330f5daSKumar Gala G4's). If the range is small (around 4 degrees), the temperature is 2374330f5daSKumar Gala relatively stable. If you say Y here, a single temperature value, 2384330f5daSKumar Gala halfway between the upper and lower bounds, will be reported in 2394330f5daSKumar Gala /proc/cpuinfo. 2404330f5daSKumar Gala 2414330f5daSKumar Gala If in doubt, say N here. 2424330f5daSKumar Gala 2435c091193SAnton Vorontsovconfig QE_GPIO 2445c091193SAnton Vorontsov bool "QE GPIO support" 2455c091193SAnton Vorontsov depends on QUICC_ENGINE 24686c55af4SLinus Walleij select GPIOLIB 247a99cc668SArnd Bergmann select OF_GPIO_MM_GPIOCHIP 2485c091193SAnton Vorontsov help 2495c091193SAnton Vorontsov Say Y here if you're going to use hardware that connects to the 2505c091193SAnton Vorontsov QE GPIOs. 2515c091193SAnton Vorontsov 252d6071f88SKumar Galaconfig CPM2 253b8b3caf3SPaul Gortmaker bool "Enable support for the CPM2 (Communications Processor Module)" 254*eb5aa213SChristophe Leroy depends on (FSL_SOC_BOOKE && PPC32) || PPC_82xx 255c374e00eSScott Wood select CPM 256eb01d42aSChristoph Hellwig select HAVE_PCI 25786c55af4SLinus Walleij select GPIOLIB 258a99cc668SArnd Bergmann select OF_GPIO_MM_GPIOCHIP 259d6071f88SKumar Gala help 260d6071f88SKumar Gala The CPM2 (Communications Processor Module) is a coprocessor on 261d6071f88SKumar Gala embedded CPUs made by Freescale. Selecting this option means that 262d6071f88SKumar Gala you wish to build a kernel for a machine with a CPM2 coprocessor 263d6071f88SKumar Gala on it (826x, 827x, 8560). 264d6071f88SKumar Gala 265b66510cbSKumar Galaconfig FSL_ULI1575 26622fdf791SPali Rohár bool "ULI1575 PCIe south bridge support" 26722fdf791SPali Rohár depends on FSL_SOC_BOOKE || PPC_86xx 268536d948aSRandy Dunlap depends on PCI 26922fdf791SPali Rohár select FSL_PCI 270fb4f0e88SKumar Gala select GENERIC_ISA_DMA 271b66510cbSKumar Gala help 272b66510cbSKumar Gala Supports for the ULI1575 PCIe south bridge that exists on some 273b66510cbSKumar Gala Freescale reference boards. The boards all use the ULI in pretty 274b66510cbSKumar Gala much the same way. 275b66510cbSKumar Gala 276c374e00eSScott Woodconfig CPM 277c374e00eSScott Wood bool 2780e6e01ffSZhao Qiang select GENERIC_ALLOCATOR 279c374e00eSScott Wood 28022258fa4SDavid Gibsonconfig OF_RTC 28122258fa4SDavid Gibson bool 28222258fa4SDavid Gibson help 283692105b8SMatt LaPlante Uses information from the OF or flattened device tree to instantiate 28422258fa4SDavid Gibson platform devices for direct mapped RTC chips like the DS1742 or DS1743. 28522258fa4SDavid Gibson 286835ea93eSArnd Bergmannconfig GEN_RTC 287835ea93eSArnd Bergmann bool "Use the platform RTC operations from user space" 288835ea93eSArnd Bergmann select RTC_CLASS 289835ea93eSArnd Bergmann select RTC_DRV_GENERIC 290835ea93eSArnd Bergmann help 291835ea93eSArnd Bergmann This option provides backwards compatibility with the old gen_rtc.ko 292835ea93eSArnd Bergmann module that was traditionally used for old PowerPC machines. 293835ea93eSArnd Bergmann Platforms should migrate to enabling the RTC_DRV_GENERIC by hand 294835ea93eSArnd Bergmann replacing their get_rtc_time/set_rtc_time callbacks with 295835ea93eSArnd Bergmann a proper RTC device driver. 296835ea93eSArnd Bergmann 297ea0105eaSAnton Vorontsovconfig MCU_MPC8349EMITX 2986ca6ca5dSFabio Baltieri bool "MPC8349E-mITX MCU driver" 29982640a6bSAl Viro depends on I2C=y && PPC_83xx 30086c55af4SLinus Walleij select GPIOLIB 301ea0105eaSAnton Vorontsov help 302ea0105eaSAnton Vorontsov Say Y here to enable soft power-off functionality on the Freescale 303ea0105eaSAnton Vorontsov boards with the MPC8349E-mITX-compatible MCU chips. This driver will 304ea0105eaSAnton Vorontsov also register MCU GPIOs with the generic GPIO API, so you'll able 305ea0105eaSAnton Vorontsov to use MCU pins as GPIOs. 306ea0105eaSAnton Vorontsov 3074330f5daSKumar Galaendmenu 308