diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2019-11-22 14:17:46 +0800 |
|---|---|---|
| committer | Anson Huang <Anson.Huang@nxp.com> | 2019-12-13 10:41:30 +0800 |
| commit | 79a482c0c5c0dbd59a393fc252ffc85a33c980bb (patch) | |
| tree | 4636020d4935821a72abbb6c48c0fb6a3d4ab400 /plat/imx/imx8qm/imx8qm_psci.c | |
| parent | d3150a3f33c225b852be8bd7e7b143616234d69b (diff) | |
imx8qm: turn off A53 cluster for cpu hotplug
The issue of A53 cluster runtime power ON/OFF has been
identified as fifo reset issue, and there is software
workaround to avoid such issue and A53 cluster now can
be turned OFF.
Signed-off-by: Nitin Garg <nitin.garg@nxp.com>
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Diffstat (limited to 'plat/imx/imx8qm/imx8qm_psci.c')
| -rw-r--r-- | plat/imx/imx8qm/imx8qm_psci.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/plat/imx/imx8qm/imx8qm_psci.c b/plat/imx/imx8qm/imx8qm_psci.c index bdba37c6..e5e5576f 100644 --- a/plat/imx/imx8qm/imx8qm_psci.c +++ b/plat/imx/imx8qm/imx8qm_psci.c @@ -80,8 +80,8 @@ int imx_pwr_domain_on(u_register_t mpidr) sc_pm_set_resource_power_mode(ipc_handle, cluster_id == 0 ? SC_R_A53 : SC_R_A72, SC_PM_PW_MODE_ON); - if (cluster_id == 1) - sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_ON); + sc_pm_req_low_power_mode(ipc_handle, cluster_id == 0 ? + SC_R_A53 : SC_R_A72, SC_PM_PW_MODE_ON); if (sc_pm_set_resource_power_mode(ipc_handle, ap_core_index[cpu_id + PLATFORM_CLUSTER0_CORE_COUNT * cluster_id], @@ -124,8 +124,8 @@ void imx_pwr_domain_off(const psci_power_state_t *target_state) if (is_local_state_off(CLUSTER_PWR_STATE(target_state))) { cci_disable_snoop_dvm_reqs(cluster_id); - if (cluster_id == 1) - sc_pm_req_low_power_mode(ipc_handle, SC_R_A72, SC_PM_PW_MODE_OFF); + sc_pm_req_low_power_mode(ipc_handle, cluster_id == 0 ? + SC_R_A53 : SC_R_A72, SC_PM_PW_MODE_OFF); } printf("turn off cluster:%d core:%d\n", cluster_id, cpu_id); } |