1menuconfig ARCH_VEXPRESS 2 bool "ARM Ltd. Versatile Express family" 3 depends on ARCH_MULTI_V7 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 GPIOLIB 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 41if ARCH_VEXPRESS 42 43config 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 55config 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 64config 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 73config 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 83endif 84