diff options
Diffstat (limited to 'board/denx/m53evk')
| -rw-r--r-- | board/denx/m53evk/m53evk.c | 31 |
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) |