[U-Boot] [PATCH 1/2] vexpress64: Juno: Declare all 8GB of RAM and make them visible to the kernel.
Liviu Dudau
Liviu.Dudau at foss.arm.com
Fri Oct 9 15:09:11 CEST 2015
Juno comes with 8GB RAM, but U-Boot only passes 2GB to the kernel.
Declare a secondary memory bank and set the sizes correctly.
Signed-off-by: Liviu Dudau <Liviu.Dudau at foss.arm.com>
---
board/armltd/vexpress64/vexpress64.c | 8 ++++++++
include/configs/vexpress_aemv8a.h | 4 +++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/board/armltd/vexpress64/vexpress64.c b/board/armltd/vexpress64/vexpress64.c
index 7cb4e00..6df9d60 100644
--- a/board/armltd/vexpress64/vexpress64.c
+++ b/board/armltd/vexpress64/vexpress64.c
@@ -38,6 +38,14 @@ int dram_init(void)
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;
+}
+
/*
* Board specific reset that is system reset.
*/
diff --git a/include/configs/vexpress_aemv8a.h b/include/configs/vexpress_aemv8a.h
index 6107c64..f06344a 100644
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -164,11 +164,13 @@
#define CONFIG_SYS_LOAD_ADDR (V2M_BASE + 0x10000000)
/* Physical Memory Map */
-#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_NR_DRAM_BANKS 2
#define PHYS_SDRAM_1 (V2M_BASE) /* SDRAM Bank #1 */
+#define PHYS_SDRAM_2 (0x880000000)
/* Top 16MB reserved for secure world use */
#define DRAM_SEC_SIZE 0x01000000
#define PHYS_SDRAM_1_SIZE 0x80000000 - DRAM_SEC_SIZE
+#define PHYS_SDRAM_2_SIZE 0x180000000
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
/* Enable memtest */
--
2.6.0
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