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reset2: Add PSCI system_reset2 function

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This patch implements PSCI_SYSTEM_RESET2 API as defined in PSCI
v1.1 specification. The specification allows architectural and
vendor-specific resets via this API. In the current specification,
there is only one architectural reset, the warm reset. This reset is
intended to provide a fast reboot path that guarantees not to reset
system main memory.

Change-Id: I057bb81a60cd0fe56465dbb5791d8e1cca025bd3
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
This commit is contained in:
Roberto Vargas 2017-07-26 09:23:09 +01:00
parent 4d415c11c4
commit 36a8f8fd47
5 changed files with 54 additions and 1 deletions
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2
lib/psci/psci_setup.c
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@ -248,6 +248,8 @@ int psci_setup(const psci_lib_args_t *lib_args)
psci_caps |= define_psci_cap(PSCI_MEM_PROTECT);
if (psci_plat_pm_ops->mem_protect_chk)
psci_caps |= define_psci_cap(PSCI_MEM_CHK_RANGE_AARCH64);
if (psci_plat_pm_ops->system_reset2)
psci_caps |= define_psci_cap(PSCI_SYSTEM_RESET2_AARCH64);
#if ENABLE_PSCI_STAT
psci_caps |= define_psci_cap(PSCI_STAT_RESIDENCY_AARCH64);