config ARCH_VEXPRESS bool "ARM Ltd. Versatile Express family" if ARCH_MULTI_V7 select ARCH_REQUIRE_GPIOLIB select ARM_AMBA select ARM_GIC select ARM_TIMER_SP804 select CLKDEV_LOOKUP select COMMON_CLK select COMMON_CLK_VERSATILE select CPU_V7 select GENERIC_CLOCKEVENTS select HAVE_ARM_SCU if SMP select HAVE_ARM_TWD if LOCAL_TIMERS select HAVE_CLK select HAVE_PATA_PLATFORM select HAVE_SMP select ICST select MIGHT_HAVE_CACHE_L2X0 select NO_IOPORT select PLAT_VERSATILE select PLAT_VERSATILE_CLCD select POWER_RESET select POWER_RESET_VEXPRESS select POWER_SUPPLY select REGULATOR_FIXED_VOLTAGE if REGULATOR select VEXPRESS_CONFIG 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. menu "Versatile Express platform type" depends on ARCH_VEXPRESS config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA bool "Enable A5 and A9 only errata work-arounds" default y select ARM_ERRATA_720789 select PL310_ERRATA_753970 if CACHE_PL310 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_CA9X4 bool "Versatile Express Cortex-A9x4 tile" config ARCH_VEXPRESS_DCSCB bool "Dual Cluster System Control Block (DCSCB) support" depends on MCPM 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. endmenu