diff options
| author | Jacky Bai <ping.bai@nxp.com> | 2020-01-07 16:44:46 +0800 |
|---|---|---|
| committer | Jacky Bai <ping.bai@nxp.com> | 2020-02-09 20:58:49 +0800 |
| commit | e73e454d11dab13a87b6068a24509a1f118ac812 (patch) | |
| tree | bdbef88443b7359053a13ab066877e75e762c9a3 /plat/imx/imx8m/imx8mq/imx8mq_psci.c | |
| parent | 059a9519ad1cb49f3c04210d59e89773221704a3 (diff) | |
plat: imx8mq: Add the dram retention support for imx8mq
Add the dram retention support for i.MX8MQ. As there is
no enough ocram space available before entering TF-A,
so the timing info need to be copied from dram into ocram.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Diffstat (limited to 'plat/imx/imx8m/imx8mq/imx8mq_psci.c')
| -rw-r--r-- | plat/imx/imx8m/imx8mq/imx8mq_psci.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/plat/imx/imx8m/imx8mq/imx8mq_psci.c b/plat/imx/imx8m/imx8mq/imx8mq_psci.c index 04e191ff..78a6ea70 100644 --- a/plat/imx/imx8m/imx8mq/imx8mq_psci.c +++ b/plat/imx/imx8m/imx8mq/imx8mq_psci.c @@ -12,6 +12,7 @@ #include <lib/mmio.h> #include <lib/psci/psci.h> +#include <dram.h> #include <gpc.h> #include <imx8m_psci.h> #include <plat_imx8.h> @@ -63,6 +64,7 @@ void imx_domain_suspend(const psci_power_state_t *target_state) if (is_local_state_retn(SYSTEM_PWR_STATE(target_state))) { imx_set_sys_lpm(core_id, true); + dram_enter_retention(); } } @@ -73,6 +75,7 @@ void imx_domain_suspend_finish(const psci_power_state_t *target_state) /* check the system level status */ if (is_local_state_retn(SYSTEM_PWR_STATE(target_state))) { + dram_exit_retention(); imx_set_sys_lpm(core_id, false); imx_clear_rbc_count(); } |