board: gateworks: venice: get mem size from dt

Get mem size from dt which SPL updated per EEPROM config.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey
2021-07-27 15:19:37 -07:00
committed by Stefano Babic
parent 42bc70d14a
commit 692c25ee30

View File

@@ -13,6 +13,7 @@
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <asm/unaligned.h>
#include "gsc.h"
@@ -20,20 +21,19 @@ DECLARE_GLOBAL_DATA_PTR;
int board_phys_sdram_size(phys_size_t *size)
{
int ddr_size = readl(M4_BOOTROM_BASE_ADDR);
const fdt64_t *val;
int offset;
int len;
if (ddr_size == 0x4) {
*size = 0x100000000;
} else if (ddr_size == 0x3) {
*size = 0xc0000000;
} else if (ddr_size == 0x2) {
*size = 0x80000000;
} else if (ddr_size == 0x1) {
*size = 0x40000000;
} else {
printf("Unknown DDR type!!!\n");
*size = 0x40000000;
}
/* get size from dt which SPL updated per EEPROM config */
offset = fdt_path_offset(gd->fdt_blob, "/memory");
if (offset < 0)
return -EINVAL;
val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
if (len < sizeof(*val) * 2)
return -EINVAL;
*size = get_unaligned_be64(&val[1]);
return 0;
}