diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2018-06-19 11:16:33 +0800 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@nxp.com> | 2018-06-20 16:30:39 +0300 |
| commit | 959392911781f3bd4263a01d703097998d0aaa0f (patch) | |
| tree | 2afff8fb6bfc141f0a75bc90feb290d76d50db63 /plat/imx/imx8qxp | |
| parent | 76673d693f8cdadb776e0c89df5d1c6902f47d47 (diff) | |
imx8qxp: support SC_R_IRQSTR_SCU2 OFF in system suspend
SC_R_IRQSTR_SCU2 can be OFF in system suspend if there
is no wakeup irq enabled from non-secure OS partion.
Add wakeup source check to decide if turning off
SC_R_IRQSTR_SCU2 or NOT when suspend.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Diffstat (limited to 'plat/imx/imx8qxp')
| -rw-r--r-- | plat/imx/imx8qxp/imx8qxp_psci.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/plat/imx/imx8qxp/imx8qxp_psci.c b/plat/imx/imx8qxp/imx8qxp_psci.c index 9d0600ff..8705b9ac 100644 --- a/plat/imx/imx8qxp/imx8qxp_psci.c +++ b/plat/imx/imx8qxp/imx8qxp_psci.c @@ -17,6 +17,7 @@ extern sc_ipc_t ipc_handle; extern void mdelay(uint32_t msec); +extern bool wakeup_src_irqsteer; /* save gic dist/redist context when GIC is power down */ static struct plat_gic_ctx imx_gicv3_ctx; @@ -49,8 +50,11 @@ static void imx_enable_irqstr_wakeup(void) mmio_write_32(IMX_WUP_IRQSTR + 0x3c - 0x4 * i, irq_mask); } - /* put IRQSTR into STBY mode */ - sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_STBY); + /* set IRQSTR low power mode */ + if (wakeup_src_irqsteer) + sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_STBY); + else + sc_pm_set_resource_power_mode(ipc_handle, SC_R_IRQSTR_SCU2, SC_PM_PW_MODE_OFF); } static void imx_disable_irqstr_wakeup(void) @@ -189,9 +193,14 @@ void imx_domain_suspend(const psci_power_state_t *target_state) /* Put GIC in OFF mode. */ sc_pm_set_resource_power_mode(ipc_handle, SC_R_GIC, SC_PM_PW_MODE_OFF); - sc_pm_set_cpu_resume_addr(ipc_handle, ap_core_index[cpu_id], 0x080000000); - sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id], SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_IRQSTEER); + if (wakeup_src_irqsteer) + sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id], + SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_IRQSTEER); + else + sc_pm_req_cpu_low_power_mode(ipc_handle, ap_core_index[cpu_id], + SC_PM_PW_MODE_OFF, SC_PM_WAKE_SRC_SCU); + } void imx_domain_suspend_finish(const psci_power_state_t *target_state) |