qemu: Implement PSCI_CPU_OFF.
This is based on the rpi implementation from
https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/2746.
Signed-off-by: Andrew Walbran <qwandor@google.com>
Change-Id: I5fe324fcd9d5e232091e01267ea12147c46bc9c1
diff --git a/plat/qemu/common/qemu_pm.c b/plat/qemu/common/qemu_pm.c
index 116211c..cf80009 100644
--- a/plat/qemu/common/qemu_pm.c
+++ b/plat/qemu/common/qemu_pm.c
@@ -152,9 +152,18 @@
* Platform handler called when a power domain is about to be turned off. The
* target_state encodes the power state that each level should transition to.
******************************************************************************/
-void qemu_pwr_domain_off(const psci_power_state_t *target_state)
+static void qemu_pwr_domain_off(const psci_power_state_t *target_state)
{
- assert(0);
+ qemu_pwr_gic_off();
+}
+
+void __dead2 plat_secondary_cold_boot_setup(void);
+
+static void __dead2
+qemu_pwr_domain_pwr_down_wfi(const psci_power_state_t *target_state)
+{
+ disable_mmu_el3();
+ plat_secondary_cold_boot_setup();
}
/*******************************************************************************
@@ -209,6 +218,7 @@
.cpu_standby = qemu_cpu_standby,
.pwr_domain_on = qemu_pwr_domain_on,
.pwr_domain_off = qemu_pwr_domain_off,
+ .pwr_domain_pwr_down_wfi = qemu_pwr_domain_pwr_down_wfi,
.pwr_domain_suspend = qemu_pwr_domain_suspend,
.pwr_domain_on_finish = qemu_pwr_domain_on_finish,
.pwr_domain_suspend_finish = qemu_pwr_domain_suspend_finish,