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soc: arm64: arm: fvp_aemv8r: Init VMPIDR_EL2 in el2 plat init.

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Add strong definition z_arm64_el2_plat_init() and it is controlled
by CONFIG_SOC_FVP_AEMV8R_EL2_INIT.

VMPIDR_EL2 must be set manually on EL2. The purpose of VMPIDR_EL2 is
that holds the value of the Virtualization Multiprocessor ID and This
is the value returned by EL1 reads of MPIDR_EL1

Signed-off-by: Huifeng Zhang <Huifeng.Zhang@arm.com>
This commit is contained in:
Huifeng Zhang 2021-06-28 16:39:18 +08:00 • committed by Christopher Friedt
commit b89c727c8e
4 changed files with 36 additions and 0 deletions
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2
include/arch/arm64/lib_helpers.h
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@ -70,6 +70,8 @@ MAKE_REG_HELPER(tpidrro_el0);
MAKE_REG_HELPER(clidr_el1);
MAKE_REG_HELPER(csselr_el1);
MAKE_REG_HELPER(ccsidr_el1);
MAKE_REG_HELPER(vmpidr_el2);
MAKE_REG_HELPER(mpidr_el1);
MAKE_REG_HELPER_EL123(actlr)
MAKE_REG_HELPER_EL123(cpacr)