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Linux/arch/arm/mach-vexpress/Kconfig

  1 config ARCH_VEXPRESS
  2         bool "ARM Ltd. Versatile Express family" if ARCH_MULTI_V7
  3         select ARCH_REQUIRE_GPIOLIB
  4         select ARCH_SUPPORTS_BIG_ENDIAN
  5         select ARM_AMBA
  6         select ARM_GIC
  7         select ARM_TIMER_SP804
  8         select COMMON_CLK_VERSATILE
  9         select HAVE_ARM_SCU if SMP
 10         select HAVE_ARM_TWD if SMP
 11         select HAVE_PATA_PLATFORM
 12         select ICST
 13         select NO_IOPORT_MAP
 14         select PLAT_VERSATILE
 15         select PLAT_VERSATILE_CLCD
 16         select POWER_RESET
 17         select POWER_RESET_VEXPRESS
 18         select POWER_SUPPLY
 19         select REGULATOR_FIXED_VOLTAGE if REGULATOR
 20         select VEXPRESS_CONFIG
 21         help
 22           This option enables support for systems using Cortex processor based
 23           ARM core and logic (FPGA) tiles on the Versatile Express motherboard,
 24           for example:
 25 
 26           - CoreTile Express A5x2 (V2P-CA5s)
 27           - CoreTile Express A9x4 (V2P-CA9)
 28           - CoreTile Express A15x2 (V2P-CA15)
 29           - LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs
 30             (Soft Macrocell Models)
 31           - Versatile Express RTSMs (Models)
 32 
 33           You must boot using a Flattened Device Tree in order to use these
 34           platforms. The traditional (ATAGs) boot method is not usable on
 35           these boards with this option.
 36 
 37 menu "Versatile Express platform type"
 38         depends on ARCH_VEXPRESS
 39 
 40 config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
 41         bool "Enable A5 and A9 only errata work-arounds"
 42         default y
 43         select ARM_ERRATA_720789
 44         select PL310_ERRATA_753970 if CACHE_PL310
 45         help
 46           Provides common dependencies for Versatile Express platforms
 47           based on Cortex-A5 and Cortex-A9 processors. In order to
 48           build a working kernel, you must also enable relevant core
 49           tile support or Flattened Device Tree based support options.
 50 
 51 config ARCH_VEXPRESS_CA9X4
 52         bool "Versatile Express Cortex-A9x4 tile"
 53 
 54 config ARCH_VEXPRESS_DCSCB
 55         bool "Dual Cluster System Control Block (DCSCB) support"
 56         depends on MCPM
 57         select ARM_CCI
 58         help
 59           Support for the Dual Cluster System Configuration Block (DCSCB).
 60           This is needed to provide CPU and cluster power management
 61           on RTSM implementing big.LITTLE.
 62 
 63 config ARCH_VEXPRESS_SPC
 64         bool "Versatile Express Serial Power Controller (SPC)"
 65         select ARCH_HAS_CPUFREQ
 66         select ARCH_HAS_OPP
 67         select PM_OPP
 68         help
 69           The TC2 (A15x2 A7x3) versatile express core tile integrates a logic
 70           block called Serial Power Controller (SPC) that provides the interface
 71           between the dual cluster test-chip and the M3 microcontroller that
 72           carries out power management.
 73 
 74 config ARCH_VEXPRESS_TC2_PM
 75         bool "Versatile Express TC2 power management"
 76         depends on MCPM
 77         select ARM_CCI
 78         select ARCH_VEXPRESS_SPC
 79         help
 80           Support for CPU and cluster power management on Versatile Express
 81           with a TC2 (A15x2 A7x3) big.LITTLE core tile.
 82 
 83 endmenu

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