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-rw-r--r--board/denx/m53evk/m53evk.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/board/denx/m53evk/m53evk.c b/board/denx/m53evk/m53evk.c
index 0f71a16..74f9501 100644
--- a/board/denx/m53evk/m53evk.c
+++ b/board/denx/m53evk/m53evk.c
@@ -31,24 +31,41 @@
DECLARE_GLOBAL_DATA_PTR;
-int dram_init(void)
+static uint32_t mx53_dram_size[2];
+
+phys_size_t get_effective_memsize(void)
{
- u32 size1, size2;
+ /*
+ * WARNING: We must override get_effective_memsize() function here
+ * to report only the size of the first DRAM bank. This is to make
+ * U-Boot relocator place U-Boot into valid memory, that is, at the
+ * end of the first DRAM bank. If we did not override this function
+ * like so, U-Boot would be placed at the address of the first DRAM
+ * bank + total DRAM size - sizeof(uboot), which in the setup where
+ * each DRAM bank contains 512MiB of DRAM would result in placing
+ * U-Boot into invalid memory area close to the end of the first
+ * DRAM bank.
+ */
+ return mx53_dram_size[0];
+}
- size1 = get_ram_size((void *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
- size2 = get_ram_size((void *)PHYS_SDRAM_2, PHYS_SDRAM_2_SIZE);
+int dram_init(void)
+{
+ mx53_dram_size[0] = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
+ mx53_dram_size[1] = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30);
- gd->ram_size = size1 + size2;
+ gd->ram_size = mx53_dram_size[0] + mx53_dram_size[1];
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[0].size = mx53_dram_size[0];
gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
- gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+ gd->bd->bi_dram[1].size = mx53_dram_size[1];
}
static void setup_iomux_uart(void)