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Linux/arch/arm/mach-vexpress/Kconfig

  1 menuconfig ARCH_VEXPRESS
  2         bool "ARM Ltd. Versatile Express family"
  3         depends on ARCH_MULTI_V7
  4         select ARCH_REQUIRE_GPIOLIB
  5         select ARCH_SUPPORTS_BIG_ENDIAN
  6         select ARM_AMBA
  7         select ARM_GIC
  8         select ARM_GLOBAL_TIMER
  9         select ARM_TIMER_SP804
 10         select COMMON_CLK_VERSATILE
 11         select HAVE_ARM_SCU if SMP
 12         select HAVE_ARM_TWD if SMP
 13         select HAVE_PATA_PLATFORM
 14         select ICST
 15         select NO_IOPORT_MAP
 16         select PLAT_VERSATILE
 17         select POWER_RESET
 18         select POWER_RESET_VEXPRESS
 19         select POWER_SUPPLY
 20         select REGULATOR if MMC_ARMMMCI
 21         select REGULATOR_FIXED_VOLTAGE if REGULATOR
 22         select VEXPRESS_CONFIG
 23         select VEXPRESS_SYSCFG
 24         select MFD_VEXPRESS_SYSREG
 25         help
 26           This option enables support for systems using Cortex processor based
 27           ARM core and logic (FPGA) tiles on the Versatile Express motherboard,
 28           for example:
 29 
 30           - CoreTile Express A5x2 (V2P-CA5s)
 31           - CoreTile Express A9x4 (V2P-CA9)
 32           - CoreTile Express A15x2 (V2P-CA15)
 33           - LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs
 34             (Soft Macrocell Models)
 35           - Versatile Express RTSMs (Models)
 36 
 37           You must boot using a Flattened Device Tree in order to use these
 38           platforms. The traditional (ATAGs) boot method is not usable on
 39           these boards with this option.
 40 
 41 if ARCH_VEXPRESS
 42 
 43 config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA
 44         bool "Enable A5 and A9 only errata work-arounds"
 45         default y
 46         select ARM_ERRATA_643719 if SMP
 47         select ARM_ERRATA_720789
 48         select PL310_ERRATA_753970 if CACHE_L2X0
 49         help
 50           Provides common dependencies for Versatile Express platforms
 51           based on Cortex-A5 and Cortex-A9 processors. In order to
 52           build a working kernel, you must also enable relevant core
 53           tile support or Flattened Device Tree based support options.
 54 
 55 config ARCH_VEXPRESS_DCSCB
 56         bool "Dual Cluster System Control Block (DCSCB) support"
 57         depends on MCPM
 58         select ARM_CCI400_PORT_CTRL
 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_CCI400_PORT_CTRL
 77         select ARCH_VEXPRESS_SPC
 78         select ARM_CPU_SUSPEND
 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 endif

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