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armv8/ls1043ardb: Add support for >2GB memory

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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>
This commit is contained in:
Shaohui Xie
2015-11-23 15:23:48 +08:00
committed by York Sun
parent a46b1852de
commit e994dddbbe
5 changed files with 22 additions and 4 deletions
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9
board/freescale/ls1043ardb/ddr.c
View File

@@ -187,5 +187,12 @@ phys_size_t initdram(int board_type)
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;
}
}

10
board/freescale/ls1043ardb/ls1043ardb.c
View File

@@ -130,6 +130,16 @@ int misc_init_r(void)
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