Add support for full 4Gb boards
U-boot can only run within 32Gb. This change lets u-boot run
within the 32 Gb limit, but passes the full memory to the
kernel
Change-Id: Ie6c33f7caa7fbfb0fcecf7a908dd0083a302eee1
diff --git a/board/freescale/imx8mq_phanbell/board_id.c b/board/freescale/imx8mq_phanbell/board_id.c
index 8860fa3..32242ff 100644
--- a/board/freescale/imx8mq_phanbell/board_id.c
+++ b/board/freescale/imx8mq_phanbell/board_id.c
@@ -152,7 +152,7 @@
// Todo(pnordstrom) Board id 0 should be 4 Gb but currently
// only 3Gb works due to 32 bit checks all over u-boot and SDRAM
// starting at 1 Gb
- ram_size = k3Gb;
+ ram_size = k4Gb;
break;
case 1:
case 2:
diff --git a/board/freescale/imx8mq_phanbell/imx8mq_phanbell.c b/board/freescale/imx8mq_phanbell/imx8mq_phanbell.c
index 4c3ca0b..5423bfd 100644
--- a/board/freescale/imx8mq_phanbell/imx8mq_phanbell.c
+++ b/board/freescale/imx8mq_phanbell/imx8mq_phanbell.c
@@ -107,6 +107,15 @@
}
#endif
+/* Get the top of usable RAM */
+ulong board_get_usable_ram_top(ulong total_size)
+{
+ if(gd->ram_top > 0x100000000)
+ gd->ram_top = 0x100000000;
+
+ return gd->ram_top;
+}
+
#ifdef CONFIG_FEC_MXC
#define FEC_RST_PAD IMX_GPIO_NR(1, 9)
static iomux_v3_cfg_t const fec1_rst_pads[] = {
diff --git a/include/configs/imx8mq_phanbell.h b/include/configs/imx8mq_phanbell.h
index 305ec0e..6a18750 100644
--- a/include/configs/imx8mq_phanbell.h
+++ b/include/configs/imx8mq_phanbell.h
@@ -206,7 +206,7 @@
*/
#define CONFIG_SYS_SDRAM_BASE 0x40000000
#define PHYS_SDRAM 0x40000000
-#define PHYS_SDRAM_SIZE 0xC0000000
+#define PHYS_SDRAM_SIZE 0x100000000
#define CONFIG_SYS_MEMTEST_START PHYS_SDRAM
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + \
