From e73e454d11dab13a87b6068a24509a1f118ac812 Mon Sep 17 00:00:00 2001
From: Jacky Bai <ping.bai@nxp.com>
Date: Tue, 7 Jan 2020 16:44:46 +0800
Subject: 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>
---
 plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c')

diff --git a/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c b/plat/imx/imx8m/imx8mq/imx8mq_bl31_setup.c
index 27c55454..ec1a9cc0 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.h>
 #include <plat/common/platform.h>
 
+#include <dram.h>
 #include <gpc.h>
 #include <imx_aipstz.h>
 #include <imx_uart.h>
@@ -33,6 +34,8 @@ static const mmap_region_t imx_mmap[] = {
 	MAP_REGION_FLAT(OCRAM_S_BASE, OCRAM_S_SIZE, MT_MEMORY | MT_RW), /* 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},
 };
 
@@ -195,6 +198,8 @@ void bl31_platform_setup(void)
 
 	/* 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)
-- 
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