feat(imx8mm): enable dram retention suuport on imx8mm
Enable dram retention support on i.MX8MM.
Change-Id: I76ada615d386602e551d572ff4e60ee19bb8e418
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
diff --git a/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c b/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
index debede1..b34e01b 100644
--- a/plat/imx/imx8m/imx8mm/imx8mm_bl31_setup.c
+++ b/plat/imx/imx8m/imx8mm/imx8mm_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 @@
static const mmap_region_t imx_mmap[] = {
MAP_REGION_FLAT(IMX_GIC_BASE, IMX_GIC_SIZE, MT_DEVICE | MT_RW),
MAP_REGION_FLAT(IMX_AIPS_BASE, IMX_AIPS_SIZE, MT_DEVICE | MT_RW), /* AIPS map */
+ MAP_REGION_FLAT(OCRAM_S_BASE, OCRAM_S_SIZE, MT_DEVICE | MT_RW), /* OCRAM_S */
+ MAP_REGION_FLAT(IMX_DDRPHY_BASE, IMX_DDR_IPS_SIZE, MT_DEVICE | MT_RW), /* DDRMIX */
{0},
};
@@ -198,6 +201,9 @@
/* 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/imx8mm/include/platform_def.h b/plat/imx/imx8m/imx8mm/include/platform_def.h
index ed693b9..32044e0 100644
--- a/plat/imx/imx8m/imx8mm/include/platform_def.h
+++ b/plat/imx/imx8m/imx8mm/include/platform_def.h
@@ -105,6 +105,7 @@
#define IMX_DDRC_BASE U(0x3d400000)
#define IMX_DDRPHY_BASE U(0x3c000000)
#define IMX_DDR_IPS_BASE U(0x3d000000)
+#define IMX_DDR_IPS_SIZE U(0x1800000)
#define IMX_ROM_BASE U(0x0)
#define GPV_BASE U(0x32000000)
@@ -146,6 +147,7 @@
#define OCRAM_S_BASE U(0x00180000)
#define OCRAM_S_SIZE U(0x8000)
#define OCRAM_S_LIMIT (OCRAM_S_BASE + OCRAM_S_SIZE)
+#define SAVED_DRAM_TIMING_BASE OCRAM_S_BASE
#define COUNTER_FREQUENCY 8000000 /* 8MHz */
diff --git a/plat/imx/imx8m/imx8mm/platform.mk b/plat/imx/imx8m/imx8mm/platform.mk
index 0cce7ca..df04997 100644
--- a/plat/imx/imx8m/imx8mm/platform.mk
+++ b/plat/imx/imx8m/imx8mm/platform.mk
@@ -19,6 +19,9 @@
include lib/libfdt/libfdt.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 \
@@ -43,6 +46,7 @@
drivers/delay_timer/delay_timer.c \
drivers/delay_timer/generic_delay_timer.c \
${XLAT_TABLES_LIB_SRCS} \
+ ${IMX_DRAM_SOURCES} \
${IMX_GIC_SOURCES}
ifeq (${NEED_BL2},yes)