Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-vexpress / Kconfig

diff --git a/kernel/arch/arm/mach-vexpress/Kconfig b/kernel/arch/arm/mach-vexpress/Kconfig
new file mode 100644 (file)
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+++ b/kernel/arch/arm/mach-vexpress/Kconfig
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+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_CCI400_PORT_CTRL
+       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_CCI400_PORT_CTRL
+       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