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config 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_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 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
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 ARCH_HAS_CPUFREQ
select ARCH_HAS_OPP
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
help
Support for CPU and cluster power management on Versatile Express
with a TC2 (A15x2 A7x3) big.LITTLE core tile.
endmenu
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