1# SPDX-License-Identifier: GPL-2.0 2menuconfig ARCH_VEXPRESS 3 bool "ARM Ltd. Versatile Express family" 4 depends on ARCH_MULTI_V7 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 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 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 39if ARCH_VEXPRESS 40 41config ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA 42 bool "Enable A5 and A9 only errata work-arounds" 43 default y 44 select ARM_ERRATA_643719 if SMP 45 select ARM_ERRATA_720789 46 select PL310_ERRATA_753970 if CACHE_L2X0 47 help 48 Provides common dependencies for Versatile Express platforms 49 based on Cortex-A5 and Cortex-A9 processors. In order to 50 build a working kernel, you must also enable relevant core 51 tile support or Flattened Device Tree based support options. 52 53config ARCH_VEXPRESS_DCSCB 54 bool "Dual Cluster System Control Block (DCSCB) support" 55 depends on MCPM 56 select ARM_CCI400_PORT_CTRL 57 help 58 Support for the Dual Cluster System Configuration Block (DCSCB). 59 This is needed to provide CPU and cluster power management 60 on RTSM implementing big.LITTLE. 61 62config ARCH_VEXPRESS_SPC 63 bool "Versatile Express Serial Power Controller (SPC)" 64 select PM_OPP 65 help 66 The TC2 (A15x2 A7x3) versatile express core tile integrates a logic 67 block called Serial Power Controller (SPC) that provides the interface 68 between the dual cluster test-chip and the M3 microcontroller that 69 carries out power management. 70 71config ARCH_VEXPRESS_TC2_PM 72 bool "Versatile Express TC2 power management" 73 depends on MCPM 74 select ARM_CCI400_PORT_CTRL 75 select ARCH_VEXPRESS_SPC 76 select ARM_CPU_SUSPEND 77 help 78 Support for CPU and cluster power management on Versatile Express 79 with a TC2 (A15x2 A7x3) big.LITTLE core tile. 80 81endif 82