feat(imx8mn): enable dram retention suuport on imx8mn
Enable dram retention support on i.MX8MN.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Change-Id: I9b3a08efbbd154b2fc7e41bedb36a4d4e3784448
diff --git a/plat/imx/imx8m/ddr/dram_retention.c b/plat/imx/imx8m/ddr/dram_retention.c
index 73eb8c4..7d4f823 100644
--- a/plat/imx/imx8m/ddr/dram_retention.c
+++ b/plat/imx/imx8m/ddr/dram_retention.c
@@ -145,9 +145,13 @@
/* before write Dynamic reg, sw_done should be 0 */
mmio_write_32(DDRC_SWCTL(0), 0x0);
+
+#if !PLAT_imx8mn
if (dram_info.dram_type == DDRC_LPDDR4) {
mmio_write_32(DDRC_DDR_SS_GPR0, 0x01); /*LPDDR4 mode */
}
+#endif /* !PLAT_imx8mn */
+
mmio_write_32(DDRC_DFIMISC(0), 0x0);
/* dram phy re-init */
diff --git a/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c b/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c
index 8147792..5d2a64e 100644
--- a/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mn/imx8mn_bl31_setup.c
@@ -19,6 +19,7 @@
#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>
@@ -207,6 +208,9 @@
/* select the CKIL source to 32K OSC */
mmio_write_32(IMX_ANAMIX_BASE + ANAMIX_MISC_CTL, 0x1);
+ /* Init the dram info */
+ dram_info_init(SAVED_DRAM_TIMING_BASE);
+
plat_gic_driver_init();
plat_gic_init();
diff --git a/plat/imx/imx8m/imx8mn/platform.mk b/plat/imx/imx8m/imx8mn/platform.mk
index 54be41b..5ffce44 100644
--- a/plat/imx/imx8m/imx8mn/platform.mk
+++ b/plat/imx/imx8m/imx8mn/platform.mk
@@ -13,6 +13,10 @@
# Include GICv3 driver files
include drivers/arm/gic/v3/gicv3.mk
+IMX_DRAM_SOURCES := plat/imx/imx8m/ddr/dram.c \
+ plat/imx/imx8m/ddr/dram_retention.c
+
+
IMX_GIC_SOURCES := ${GICV3_SOURCES} \
plat/common/plat_gicv3.c \
plat/common/plat_psci_common.c \
@@ -36,6 +40,7 @@
drivers/arm/tzc/tzc380.c \
drivers/delay_timer/delay_timer.c \
drivers/delay_timer/generic_delay_timer.c \
+ ${IMX_DRAM_SOURCES} \
${IMX_GIC_SOURCES} \
${XLAT_TABLES_LIB_SRCS}