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

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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>
This commit is contained in:
Liviu Dudau 2015-10-19 11:08:31 +01:00 committed by Tom Rini
parent 2727f3bfba
commit 2d0cee1ca2
2 changed files with 11 additions and 1 deletions
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8
board/armltd/vexpress64/vexpress64.c
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@ -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.
*/

4
include/configs/vexpress_aemv8a.h
View File

@ -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 */