vexpress64: Juno: Declare all 8GB of RAM and make them visible to the kernel.

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@foss.arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Ryan Harkin <ryan.harkin@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>

diff --git a/board/armltd/vexpress64/vexpress64.c b/board/armltd/vexpress64/vexpress64.c
index 7cb4e0021f66099c4c2b4a3c51c846863f0dec8a..6df9d60b44ee9025c57a5cc25455afb9819dd4c1 100644 (file)
--- 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 ef3014d68b142201f8852658ed0331a8c7b94f6d..0f2f1a30baf0092aa5031e7e4f8a3ad6ec1f94b8 100644 (file)
--- a/include/configs/vexpress_aemv8a.h
+++ b/include/configs/vexpress_aemv8a.h
@@ -168,11 +168,13 @@
 #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 */