feat(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>
Change-Id: Id8264c342fd62e297b1969cba5ed505450c78a25
diff --git a/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c b/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
index 264d920..661f8e2 100644
--- a/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
@@ -21,6 +21,7 @@
#include <lib/xlat_tables/xlat_tables_v2.h>
#include <plat/common/platform.h>
+#include <dram.h>
#include <gpc.h>
#include <imx_aipstz.h>
#include <imx_uart.h>
@@ -34,6 +35,8 @@
MAP_REGION_FLAT(IMX_ROM_BASE, IMX_ROM_SIZE, MT_MEMORY | MT_RO), /* ROM map */
MAP_REGION_FLAT(IMX_AIPS_BASE, IMX_AIPS_SIZE, MT_DEVICE | MT_RW), /* AIPS map */
MAP_REGION_FLAT(IMX_GIC_BASE, IMX_GIC_SIZE, MT_DEVICE | MT_RW), /* GIC map */
+ MAP_REGION_FLAT(IMX_DDRPHY_BASE, IMX_DDR_IPS_SIZE, MT_DEVICE | MT_RW), /* DDRMIX map */
+ MAP_REGION_FLAT(IMX_DRAM_BASE, IMX_DRAM_SIZE, MT_MEMORY | MT_RW | MT_NS),
{0},
};
@@ -212,6 +215,8 @@
/* gpc init */
imx_gpc_init();
+
+ dram_info_init(SAVED_DRAM_TIMING_BASE);
}
entry_point_info_t *bl31_plat_get_next_image_ep_info(unsigned int type)