armv8/ls1043ardb: Add support for >2GB memory
This patch also expose the complete DDR region(s) to Linux.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/ls1043ardb/ddr.c b/board/freescale/ls1043ardb/ddr.c
index b181579..249d056 100644
--- a/board/freescale/ls1043ardb/ddr.c
+++ b/board/freescale/ls1043ardb/ddr.c
@@ -187,5 +187,12 @@
void dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
- gd->bd->bi_dram[0].size = gd->ram_size;
+ if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
+ gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
+ gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
+ gd->bd->bi_dram[1].size = gd->ram_size -
+ CONFIG_SYS_DDR_BLOCK1_SIZE;
+ } else {
+ gd->bd->bi_dram[0].size = gd->ram_size;
+ }
}
diff --git a/board/freescale/ls1043ardb/ls1043ardb.c b/board/freescale/ls1043ardb/ls1043ardb.c
index cdd50d6..4556ea8 100644
--- a/board/freescale/ls1043ardb/ls1043ardb.c
+++ b/board/freescale/ls1043ardb/ls1043ardb.c
@@ -130,6 +130,16 @@
int ft_board_setup(void *blob, bd_t *bd)
{
+ u64 base[CONFIG_NR_DRAM_BANKS];
+ u64 size[CONFIG_NR_DRAM_BANKS];
+
+ /* fixup DT for the two DDR banks */
+ base[0] = gd->bd->bi_dram[0].start;
+ size[0] = gd->bd->bi_dram[0].size;
+ base[1] = gd->bd->bi_dram[1].start;
+ size[1] = gd->bd->bi_dram[1].size;
+
+ fdt_fixup_memory_banks(blob, base, size, 2);
ft_cpu_setup(blob, bd);
#ifdef CONFIG_SYS_DPAA_FMAN