diff options
| -rw-r--r-- | board/renesas/rcar-common/common.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/board/renesas/rcar-common/common.c b/board/renesas/rcar-common/common.c index 4e35e0151c9..90eb468e4c4 100644 --- a/board/renesas/rcar-common/common.c +++ b/board/renesas/rcar-common/common.c @@ -15,6 +15,7 @@ #include <asm/io.h> #include <dm/uclass-internal.h> #include <asm/arch/renesas.h> +#include <asm/system.h> #include <linux/libfdt.h> #ifdef CONFIG_RCAR_64 @@ -23,13 +24,42 @@ DECLARE_GLOBAL_DATA_PTR; int dram_init(void) { - return fdtdec_setup_mem_size_base(); + int ret = fdtdec_setup_mem_size_base(); + + if (current_el() == 3 && gd->ram_base == 0x48000000) { + /* + * If this U-Boot runs in EL3, make the bottom 128 MiB + * available for loading of follow up firmware blobs. + */ + gd->ram_base -= 0x8000000; + gd->ram_size += 0x8000000; + } + + return ret; } int dram_init_banksize(void) { + int bank; + fdtdec_setup_memory_banksize(); + if (current_el() != 3) + return 0; + + for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { + if (gd->bd->bi_dram[bank].start != 0x48000000) + continue; + + /* + * If this U-Boot runs in EL3, make the bottom 128 MiB + * available for loading of follow up firmware blobs. + */ + gd->bd->bi_dram[bank].start -= 0x8000000; + gd->bd->bi_dram[bank].size += 0x8000000; + break; + } + return 0; } |