[U-Boot] [PATCH 2/2] mx53smd: Configure two banks of DDR
Fabio Estevam
fabio.estevam at freescale.com
Thu May 19 15:44:58 CEST 2011
Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
---
board/freescale/mx53smd/mx53smd.c | 18 +++++++++++++++---
include/configs/mx53smd.h | 3 +++
2 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/board/freescale/mx53smd/mx53smd.c b/board/freescale/mx53smd/mx53smd.c
index 2d158f7..f3c433f 100644
--- a/board/freescale/mx53smd/mx53smd.c
+++ b/board/freescale/mx53smd/mx53smd.c
@@ -42,11 +42,23 @@ u32 get_board_rev(void)
int dram_init(void)
{
- /* dram_init must store complete ramsize in gd->ram_size */
- gd->ram_size = get_ram_size((volatile void *)CONFIG_SYS_SDRAM_BASE,
- PHYS_SDRAM_1_SIZE);
+ u32 size1, size2;
+
+ size1 = get_ram_size((volatile void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
+ size2 = get_ram_size((volatile void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
+
+ gd->ram_size = size1 + size2;
+
return 0;
}
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+ gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+}
static void setup_iomux_uart(void)
{
diff --git a/include/configs/mx53smd.h b/include/configs/mx53smd.h
index e64ff98..65d5e05 100644
--- a/include/configs/mx53smd.h
+++ b/include/configs/mx53smd.h
@@ -165,6 +165,9 @@
#define CONFIG_NR_DRAM_BANKS 2
#define PHYS_SDRAM_1 CSD0_BASE_ADDR
#define PHYS_SDRAM_1_SIZE (512 * 1024 * 1024)
+#define PHYS_SDRAM_2 CSD1_BASE_ADDR
+#define PHYS_SDRAM_2_SIZE (512 * 1024 * 1024)
+#define PHYS_SDRAM_SIZE (PHYS_SDRAM_1_SIZE + PHYS_SDRAM_2_SIZE)
#define CONFIG_SYS_SDRAM_BASE (PHYS_SDRAM_1)
#define CONFIG_SYS_INIT_RAM_ADDR (IRAM_BASE_ADDR)
--
1.6.0.4
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