summaryrefslogtreecommitdiff
path: root/plat/xilinx
diff options
context:
space:
mode:
Diffstat (limited to 'plat/xilinx')
-rw-r--r--plat/xilinx/zynqmp/plat_psci.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/plat/xilinx/zynqmp/plat_psci.c b/plat/xilinx/zynqmp/plat_psci.c
index 56eb742a..f0e260de 100644
--- a/plat/xilinx/zynqmp/plat_psci.c
+++ b/plat/xilinx/zynqmp/plat_psci.c
@@ -308,7 +308,20 @@ int zynqmp_validate_power_state(unsigned int power_state,
{
VERBOSE("%s: power_state: 0x%x\n", __func__, power_state);
- /* FIXME: populate req_state */
+ int pstate = psci_get_pstate_type(power_state);
+
+ assert(req_state);
+
+ /* Sanity check the requested state */
+ if (pstate == PSTATE_TYPE_STANDBY)
+ req_state->pwr_domain_state[MPIDR_AFFLVL0] = PLAT_MAX_RET_STATE;
+ else
+ req_state->pwr_domain_state[MPIDR_AFFLVL0] = PLAT_MAX_OFF_STATE;
+
+ /* We expect the 'state id' to be zero */
+ if (psci_get_pstate_id(power_state))
+ return PSCI_E_INVALID_PARAMS;
+
return PSCI_E_SUCCESS;
}