arch/powerpc/platforms/Kconfig

   1 menu "Platform support"
   2
   3 source "arch/powerpc/platforms/powernv/Kconfig"
   4 source "arch/powerpc/platforms/pseries/Kconfig"
   5 source "arch/powerpc/platforms/chrp/Kconfig"
   6 source "arch/powerpc/platforms/512x/Kconfig"
   7 source "arch/powerpc/platforms/52xx/Kconfig"
   8 source "arch/powerpc/platforms/powermac/Kconfig"
   9 source "arch/powerpc/platforms/maple/Kconfig"
  10 source "arch/powerpc/platforms/pasemi/Kconfig"
  11 source "arch/powerpc/platforms/ps3/Kconfig"
  12 source "arch/powerpc/platforms/cell/Kconfig"
  13 source "arch/powerpc/platforms/8xx/Kconfig"
  14 source "arch/powerpc/platforms/82xx/Kconfig"
  15 source "arch/powerpc/platforms/83xx/Kconfig"
  16 source "arch/powerpc/platforms/85xx/Kconfig"
  17 source "arch/powerpc/platforms/86xx/Kconfig"
  18 source "arch/powerpc/platforms/embedded6xx/Kconfig"
  19 source "arch/powerpc/platforms/44x/Kconfig"
  20 source "arch/powerpc/platforms/40x/Kconfig"
  21 source "arch/powerpc/platforms/amigaone/Kconfig"
  22
  23 config KVM_GUEST
  24         bool "KVM Guest support"
  25         default n
  26         select EPAPR_PARAVIRT
  27         ---help---
  28           This option enables various optimizations for running under the KVM
  29           hypervisor. Overhead for the kernel when not running inside KVM should
  30           be minimal.
  31
  32           In case of doubt, say Y
  33
  34 config EPAPR_PARAVIRT
  35         bool "ePAPR para-virtualization support"
  36         default n
  37         help
  38           Enables ePAPR para-virtualization support for guests.
  39
  40           In case of doubt, say Y
  41
  42 config PPC_NATIVE
  43         bool
  44         depends on 6xx || PPC64
  45         help
  46           Support for running natively on the hardware, i.e. without
  47           a hypervisor. This option is not user-selectable but should
  48           be selected by all platforms that need it.
  49
  50 config PPC_OF_BOOT_TRAMPOLINE
  51         bool "Support booting from Open Firmware or yaboot"
  52         depends on 6xx || PPC64
  53         default y
  54         help
  55           Support from booting from Open Firmware or yaboot using an
  56           Open Firmware client interface. This enables the kernel to
  57           communicate with open firmware to retrieve system information
  58           such as the device tree.
  59
  60           In case of doubt, say Y
  61
  62 config UDBG_RTAS_CONSOLE
  63         bool "RTAS based debug console"
  64         depends on PPC_RTAS
  65         default n
  66
  67 config PPC_SMP_MUXED_IPI
  68         bool
  69         help
  70           Select this opton if your platform supports SMP and your
  71           interrupt controller provides less than 4 interrupts to each
  72           cpu.  This will enable the generic code to multiplex the 4
  73           messages on to one ipi.
  74
  75 config IPIC
  76         bool
  77         default n
  78
  79 config MPIC
  80         bool
  81         default n
  82
  83 config MPIC_TIMER
  84         bool "MPIC Global Timer"
  85         depends on MPIC && FSL_SOC
  86         default n
  87         help
  88           The MPIC global timer is a hardware timer inside the
  89           Freescale PIC complying with OpenPIC standard. When the
  90           specified interval times out, the hardware timer generates
  91           an interrupt. The driver currently is only tested on fsl
  92           chip, but it can potentially support other global timers
  93           complying with the OpenPIC standard.
  94
  95 config FSL_MPIC_TIMER_WAKEUP
  96         tristate "Freescale MPIC global timer wakeup driver"
  97         depends on FSL_SOC &&  MPIC_TIMER && PM
  98         default n
  99         help
 100           The driver provides a way to wake up the system by MPIC
 101           timer.
 102           e.g. "echo 5 > /sys/devices/system/mpic/timer_wakeup"
 103
 104 config PPC_EPAPR_HV_PIC
 105         bool
 106         default n
 107         select EPAPR_PARAVIRT
 108
 109 config MPIC_WEIRD
 110         bool
 111         default n
 112
 113 config MPIC_MSGR
 114         bool "MPIC message register support"
 115         depends on MPIC
 116         default n
 117         help
 118           Enables support for the MPIC message registers.  These
 119           registers are used for inter-processor communication.
 120
 121 config PPC_I8259
 122         bool
 123         default n
 124
 125 config U3_DART
 126         bool
 127         depends on PPC64
 128         default n
 129
 130 config PPC_RTAS
 131         bool
 132         default n
 133
 134 config RTAS_ERROR_LOGGING
 135         bool
 136         depends on PPC_RTAS
 137         default n
 138
 139 config PPC_RTAS_DAEMON
 140         bool
 141         depends on PPC_RTAS
 142         default n
 143
 144 config RTAS_PROC
 145         bool "Proc interface to RTAS"
 146         depends on PPC_RTAS && PROC_FS
 147         default y
 148
 149 config RTAS_FLASH
 150         tristate "Firmware flash interface"
 151         depends on PPC64 && RTAS_PROC
 152
 153 config MMIO_NVRAM
 154         bool
 155         default n
 156
 157 config MPIC_U3_HT_IRQS
 158         bool
 159         default n
 160
 161 config MPIC_BROKEN_REGREAD
 162         bool
 163         depends on MPIC
 164         help
 165           This option enables a MPIC driver workaround for some chips
 166           that have a bug that causes some interrupt source information
 167           to not read back properly. It is safe to use on other chips as
 168           well, but enabling it uses about 8KB of memory to keep copies
 169           of the register contents in software.
 170
 171 config EEH
 172         bool
 173         depends on (PPC_POWERNV || PPC_PSERIES) && PCI
 174         default y
 175
 176 config PPC_MPC106
 177         bool
 178         default n
 179
 180 config PPC_970_NAP
 181         bool
 182         default n
 183
 184 config PPC_P7_NAP
 185         bool
 186         default n
 187
 188 config PPC_INDIRECT_PIO
 189         bool
 190         select GENERIC_IOMAP
 191
 192 config PPC_INDIRECT_MMIO
 193         bool
 194
 195 config PPC_IO_WORKAROUNDS
 196         bool
 197
 198 source "drivers/cpufreq/Kconfig"
 199
 200 menu "CPUIdle driver"
 201
 202 source "drivers/cpuidle/Kconfig"
 203
 204 endmenu
 205
 206 config PPC601_SYNC_FIX
 207         bool "Workarounds for PPC601 bugs"
 208         depends on 6xx && PPC_PMAC
 209         help
 210           Some versions of the PPC601 (the first PowerPC chip) have bugs which
 211           mean that extra synchronization instructions are required near
 212           certain instructions, typically those that make major changes to the
 213           CPU state.  These extra instructions reduce performance slightly.
 214           If you say N here, these extra instructions will not be included,
 215           resulting in a kernel which will run faster but may not run at all
 216           on some systems with the PPC601 chip.
 217
 218           If in doubt, say Y here.
 219
 220 config TAU
 221         bool "On-chip CPU temperature sensor support"
 222         depends on 6xx
 223         help
 224           G3 and G4 processors have an on-chip temperature sensor called the
 225           'Thermal Assist Unit (TAU)', which, in theory, can measure the on-die
 226           temperature within 2-4 degrees Celsius. This option shows the current
 227           on-die temperature in /proc/cpuinfo if the cpu supports it.
 228
 229           Unfortunately, on some chip revisions, this sensor is very inaccurate
 230           and in many cases, does not work at all, so don't assume the cpu
 231           temp is actually what /proc/cpuinfo says it is.
 232
 233 config TAU_INT
 234         bool "Interrupt driven TAU driver (DANGEROUS)"
 235         depends on TAU
 236         ---help---
 237           The TAU supports an interrupt driven mode which causes an interrupt
 238           whenever the temperature goes out of range. This is the fastest way
 239           to get notified the temp has exceeded a range. With this option off,
 240           a timer is used to re-check the temperature periodically.
 241
 242           However, on some cpus it appears that the TAU interrupt hardware
 243           is buggy and can cause a situation which would lead unexplained hard
 244           lockups.
 245
 246           Unless you are extending the TAU driver, or enjoy kernel/hardware
 247           debugging, leave this option off.
 248
 249 config TAU_AVERAGE
 250         bool "Average high and low temp"
 251         depends on TAU
 252         ---help---
 253           The TAU hardware can compare the temperature to an upper and lower
 254           bound.  The default behavior is to show both the upper and lower
 255           bound in /proc/cpuinfo. If the range is large, the temperature is
 256           either changing a lot, or the TAU hardware is broken (likely on some
 257           G4's). If the range is small (around 4 degrees), the temperature is
 258           relatively stable.  If you say Y here, a single temperature value,
 259           halfway between the upper and lower bounds, will be reported in
 260           /proc/cpuinfo.
 261
 262           If in doubt, say N here.
 263
 264 config QE_GPIO
 265         bool "QE GPIO support"
 266         depends on QUICC_ENGINE
 267         select GPIOLIB
 268         help
 269           Say Y here if you're going to use hardware that connects to the
 270           QE GPIOs.
 271
 272 config CPM2
 273         bool "Enable support for the CPM2 (Communications Processor Module)"
 274         depends on (FSL_SOC_BOOKE && PPC32) || 8260
 275         select CPM
 276         select PPC_PCI_CHOICE
 277         select GPIOLIB
 278         help
 279           The CPM2 (Communications Processor Module) is a coprocessor on
 280           embedded CPUs made by Freescale.  Selecting this option means that
 281           you wish to build a kernel for a machine with a CPM2 coprocessor
 282           on it (826x, 827x, 8560).
 283
 284 config AXON_RAM
 285         tristate "Axon DDR2 memory device driver"
 286         depends on PPC_IBM_CELL_BLADE && BLOCK
 287         select DAX
 288         default m
 289         help
 290           It registers one block device per Axon's DDR2 memory bank found
 291           on a system. Block devices are called axonram?, their major and
 292           minor numbers are available in /proc/devices, /proc/partitions or
 293           in /sys/block/axonram?/dev.
 294
 295 config FSL_ULI1575
 296         bool
 297         default n
 298         select GENERIC_ISA_DMA
 299         help
 300           Supports for the ULI1575 PCIe south bridge that exists on some
 301           Freescale reference boards. The boards all use the ULI in pretty
 302           much the same way.
 303
 304 config CPM
 305         bool
 306         select GENERIC_ALLOCATOR
 307
 308 config OF_RTC
 309         bool
 310         help
 311           Uses information from the OF or flattened device tree to instantiate
 312           platform devices for direct mapped RTC chips like the DS1742 or DS1743.
 313
 314 config GEN_RTC
 315         bool "Use the platform RTC operations from user space"
 316         select RTC_CLASS
 317         select RTC_DRV_GENERIC
 318         help
 319           This option provides backwards compatibility with the old gen_rtc.ko
 320           module that was traditionally used for old PowerPC machines.
 321           Platforms should migrate to enabling the RTC_DRV_GENERIC by hand
 322           replacing their get_rtc_time/set_rtc_time callbacks with
 323           a proper RTC device driver.
 324
 325 config SIMPLE_GPIO
 326         bool "Support for simple, memory-mapped GPIO controllers"
 327         depends on PPC
 328         select GPIOLIB
 329         help
 330           Say Y here to support simple, memory-mapped GPIO controllers.
 331           These are usually BCSRs used to control board's switches, LEDs,
 332           chip-selects, Ethernet/USB PHY's power and various other small
 333           on-board peripherals.
 334
 335 config MCU_MPC8349EMITX
 336         bool "MPC8349E-mITX MCU driver"
 337         depends on I2C=y && PPC_83xx
 338         select GPIOLIB
 339         help
 340           Say Y here to enable soft power-off functionality on the Freescale
 341           boards with the MPC8349E-mITX-compatible MCU chips. This driver will
 342           also register MCU GPIOs with the generic GPIO API, so you'll able
 343           to use MCU pins as GPIOs.
 344
 345 config XILINX_PCI
 346         bool "Xilinx PCI host bridge support"
 347         depends on PCI && XILINX_VIRTEX
 348
 349 endmenu