menuconfig ARCH_VEXPRESS bool "ARM Ltd. Versatile Express family" if ARCH_MULTI_V7 select ARCH_REQUIRE_GPIOLIB select ARCH_SUPPORTS_BIG_ENDIAN select ARM_AMBA select ARM_GIC select ARM_GLOBAL_TIMER select ARM_TIMER_SP804 select COMMON_CLK_VERSATILE select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if SMP select HAVE_PATA_PLATFORM select ICST select NO_IOPORT_MAP select PLAT_VERSATILE select POWER_RESET select POWER_RESET_VEXPRESS select POWER_SUPPLY select REGULATOR if MMC_ARMMMCI select REGULATOR_FIXED_VOLTAGE if REGULATOR select VEXPRESS_CONFIG select VEXPRESS_SYSCFG select MFD_VEXPRESS_SYSREG help This option enables support for systems using Cortex processor based ARM core and logic (FPGA) tiles on the Versatile Express motherboard, for example: - CoreTile Express A5x2 (V2P-CA5s) - CoreTile Express A9x4 (V2P-CA9) - CoreTile Express A15x2 (V2P-CA15) - LogicTile Express 13MG (V2F-2XV6) with A5, A7, A9 or A15 SMMs (Soft Macrocell Models) - Versatile Express RTSMs (Models) You must boot using a Flattened Device Tree in order to use these platforms. The traditional (ATAGs) boot method is not usable on these boards with this option. if ARCH_VEXPRESS config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA bool "Enable A5 and A9 only errata work-arounds" default y select ARM_ERRATA_643719 if SMP select ARM_ERRATA_720789 select PL310_ERRATA_753970 if CACHE_L2X0 help Provides common dependencies for Versatile Express platforms based on Cortex-A5 and Cortex-A9 processors. In order to build a working kernel, you must also enable relevant core tile support or Flattened Device Tree based support options. config ARCH_VEXPRESS_DCSCB bool "Dual Cluster System Control Block (DCSCB) support" depends on MCPM select ARM_CCI help Support for the Dual Cluster System Configuration Block (DCSCB). This is needed to provide CPU and cluster power management on RTSM implementing big.LITTLE. config ARCH_VEXPRESS_SPC bool "Versatile Express Serial Power Controller (SPC)" select PM_OPP help The TC2 (A15x2 A7x3) versatile express core tile integrates a logic block called Serial Power Controller (SPC) that provides the interface between the dual cluster test-chip and the M3 microcontroller that carries out power management. config ARCH_VEXPRESS_TC2_PM bool "Versatile Express TC2 power management" depends on MCPM select ARM_CCI select ARCH_VEXPRESS_SPC select ARM_CPU_SUSPEND help Support for CPU and cluster power management on Versatile Express with a TC2 (A15x2 A7x3) big.LITTLE core tile. endif