diff options
| author | Ranjani Vaidyanathan <Ranjani.Vaidyanathan@nxp.com> | 2017-12-13 13:49:55 -0600 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@nxp.com> | 2018-06-11 10:33:02 +0300 |
| commit | 6c0b5030913b7886bcd75247459facb87536cdc3 (patch) | |
| tree | c2a37d8b8f3866bced4bb9cecb30bc17d4b9e18b /plat/imx/imx8qm/imx8qm_psci.c | |
| parent | 6c485ce1f3e62723b1ac2a2b8385126ce8a4fe1d (diff) | |
Add low power state requests:
1. Request to DRC switch to STBY in low power.
2. Set GIC to LP mode once GIC interface has been disabled in low power flow.
Signed-off-by: Ranjani Vaidyanathan <Ranjani.Vaidyanathan@nxp.com>
Diffstat (limited to 'plat/imx/imx8qm/imx8qm_psci.c')
| -rw-r--r-- | plat/imx/imx8qm/imx8qm_psci.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/plat/imx/imx8qm/imx8qm_psci.c b/plat/imx/imx8qm/imx8qm_psci.c index 4fb5daea..78cd5803 100644 --- a/plat/imx/imx8qm/imx8qm_psci.c +++ b/plat/imx/imx8qm/imx8qm_psci.c @@ -194,6 +194,9 @@ void imx_domain_suspend(const psci_power_state_t *target_state) cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr)); + /* Put GIC in LP mode. */ + sc_pm_set_resource_power_mode(ipc_handle, SC_R_GIC, SC_PM_PW_MODE_LP); + if (cluster_id == 0) { sc_pm_set_cpu_resume_addr(ipc_handle, ap_core_index[cpu_id], 0x080000000); sc_pm_req_low_power_mode(ipc_handle, ap_core_index[cpu_id], SC_PM_PW_MODE_OFF); @@ -214,6 +217,9 @@ void imx_domain_suspend_finish(const psci_power_state_t *target_state) else sc_pm_req_low_power_mode(ipc_handle, ap_core_index[cpu_id + 4], SC_PM_PW_MODE_ON); + /* Put GIC back to high power mode. */ + sc_pm_set_resource_power_mode(ipc_handle, SC_R_GIC, SC_PM_PW_MODE_ON); + cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(mpidr)); plat_gic_cpuif_enable(); @@ -279,14 +285,12 @@ int plat_setup_psci_ops(uintptr_t sec_entrypoint, sc_pm_req_low_power_mode(ipc_handle, SC_R_CCI, SC_PM_PW_MODE_OFF); /* Request RUN and LP modes for DDR, system interconnect etc. */ - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON); - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_ON); + sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_STBY); + sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_DDR, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_STBY); sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_MU, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_LP); sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_MU, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_LP); sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_INTERCONNECT, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_INTERCONNECT, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A53, SC_PM_SYS_IF_OCMEM, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); - sc_pm_req_sys_if_power_mode(ipc_handle, SC_R_A72, SC_PM_SYS_IF_OCMEM, SC_PM_PW_MODE_ON, SC_PM_PW_MODE_OFF); return 0; } |