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ti: k3: common: Implement stub system_off

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PSCI demands that SYSTEM_OFF must not return. While it seems like a
generic ATF bug that this is possible when a platform does not Implement
a corresponding handler, let's do that here until it's addressed
differently.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Change-Id: I4c08948b18bbfdc3a24214f2ae0fbad9e017ada1
This commit is contained in:
Jan Kiszka 2020-05-17 10:21:09 +02:00
parent f1a1653ce1
commit 42d9b3aaf4
1 changed files with 8 additions and 0 deletions
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8
plat/ti/k3/common/k3_psci.c
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@ -203,6 +203,13 @@ void k3_pwr_domain_on_finish(const psci_power_state_t *target_state)
k3_gic_cpuif_enable();
}
static void __dead2 k3_system_off(void)
{
ERROR("System Off: operation not handled.\n");
while (true)
wfi();
}
static void __dead2 k3_system_reset(void)
{
/* Send the system reset request to system firmware */
@ -232,6 +239,7 @@ static const plat_psci_ops_t k3_plat_psci_ops = {
.pwr_domain_on = k3_pwr_domain_on,
.pwr_domain_off = k3_pwr_domain_off,
.pwr_domain_on_finish = k3_pwr_domain_on_finish,
.system_off = k3_system_off,
.system_reset = k3_system_reset,
.validate_power_state = k3_validate_power_state,
.validate_ns_entrypoint = k3_validate_ns_entrypoint