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>
diff --git a/board/gateworks/venice/imx8mm_venice.c b/board/gateworks/venice/imx8mm_venice.c
index 2657bd6..ff64d69 100644
--- a/board/gateworks/venice/imx8mm_venice.c
+++ b/board/gateworks/venice/imx8mm_venice.c
@@ -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 @@
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;
+
+ /* get size from dt which SPL updated per EEPROM config */
+ offset = fdt_path_offset(gd->fdt_blob, "/memory");
+ if (offset < 0)
+ return -EINVAL;
- 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;
- }
+ val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
+ if (len < sizeof(*val) * 2)
+ return -EINVAL;
+ *size = get_unaligned_be64(&val[1]);
return 0;
}