diff options
Diffstat (limited to 'plat/imx/imx8m/imx8mp/imx8mp_psci.c')
| -rw-r--r-- | plat/imx/imx8m/imx8mp/imx8mp_psci.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/plat/imx/imx8m/imx8mp/imx8mp_psci.c b/plat/imx/imx8m/imx8mp/imx8mp_psci.c index 6c938b7b..2aa34e64 100644 --- a/plat/imx/imx8m/imx8mp/imx8mp_psci.c +++ b/plat/imx/imx8m/imx8mp/imx8mp_psci.c @@ -57,6 +57,9 @@ void imx_domain_suspend(const psci_power_state_t *target_state) imx_anamix_override(true); imx_noc_wrapper_pre_suspend(core_id); } else { + /* flag 0xD means DSP LPA buffer is in OCRAM */ + if (mmio_read_32(IMX_SRC_BASE + 0x98) == 0xD) + dram_enter_retention(); /* * when A53 don't enter DSM, only need to * set the system wakeup option. @@ -78,6 +81,10 @@ void imx_domain_suspend_finish(const psci_power_state_t *target_state) dram_exit_retention(); imx_set_sys_lpm(core_id, false); } else { + /* flag 0xD means DSP LPA buffer is in OCRAM */ + if (mmio_read_32(IMX_SRC_BASE + 0x98) == 0xD) + dram_exit_retention(); + imx_set_sys_wakeup(core_id, false); } } |