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Linux/arch/arm/mach-vexpress/Kconfig

  1 menuconfig 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_GLOBAL_TIMER
  8         select ARM_TIMER_SP804
  9         select COMMON_CLK_VERSATILE
 10         select HAVE_ARM_SCU if SMP
 11         select HAVE_ARM_TWD if SMP
 12         select HAVE_PATA_PLATFORM
 13         select ICST
 14         select NO_IOPORT_MAP
 15         select PLAT_VERSATILE
 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         select VEXPRESS_SYSCFG
 22         select MFD_VEXPRESS_SYSREG
 23         help
 24           This option enables support for systems using Cortex processor based
 25           ARM core and logic (FPGA) tiles on the Versatile Express motherboard,
 26           for example:
 27 
 28           - CoreTile Express A5x2 (V2P-CA5s)
 29           - CoreTile Express A9x4 (V2P-CA9)
 30           - CoreTile Express A15x2 (V2P-CA15)
 31           - LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs
 32             (Soft Macrocell Models)
 33           - Versatile Express RTSMs (Models)
 34 
 35           You must boot using a Flattened Device Tree in order to use these
 36           platforms. The traditional (ATAGs) boot method is not usable on
 37           these boards with this option.
 38 
 39 if ARCH_VEXPRESS
 40 
 41 config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
 42         bool "Enable A5 and A9 only errata work-arounds"
 43         default y
 44         select ARM_ERRATA_720789
 45         select PL310_ERRATA_753970 if CACHE_L2X0
 46         help
 47           Provides common dependencies for Versatile Express platforms
 48           based on Cortex-A5 and Cortex-A9 processors. In order to
 49           build a working kernel, you must also enable relevant core
 50           tile support or Flattened Device Tree based support options.
 51 
 52 config ARCH_VEXPRESS_CA9X4
 53         bool "Versatile Express Cortex-A9x4 tile"
 54 
 55 config ARCH_VEXPRESS_DCSCB
 56         bool "Dual Cluster System Control Block (DCSCB) support"
 57         depends on MCPM
 58         select ARM_CCI
 59         help
 60           Support for the Dual Cluster System Configuration Block (DCSCB).
 61           This is needed to provide CPU and cluster power management
 62           on RTSM implementing big.LITTLE.
 63 
 64 config ARCH_VEXPRESS_SPC
 65         bool "Versatile Express Serial Power Controller (SPC)"
 66         select PM_OPP
 67         help
 68           The TC2 (A15x2 A7x3) versatile express core tile integrates a logic
 69           block called Serial Power Controller (SPC) that provides the interface
 70           between the dual cluster test-chip and the M3 microcontroller that
 71           carries out power management.
 72 
 73 config ARCH_VEXPRESS_TC2_PM
 74         bool "Versatile Express TC2 power management"
 75         depends on MCPM
 76         select ARM_CCI
 77         select ARCH_VEXPRESS_SPC
 78         help
 79           Support for CPU and cluster power management on Versatile Express
 80           with a TC2 (A15x2 A7x3) big.LITTLE core tile.
 81 
 82 endif

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