From e994dddbbe031c818758b2ea91f59697b07d94b6 Mon Sep 17 00:00:00 2001 From: Shaohui Xie Date: Mon, 23 Nov 2015 15:23:48 +0800 Subject: armv8/ls1043ardb: Add support for >2GB memory This patch also expose the complete DDR region(s) to Linux. Signed-off-by: Shaohui Xie Signed-off-by: Mingkai Hu Reviewed-by: York Sun --- board/freescale/ls1043ardb/ddr.c | 9 ++++++++- board/freescale/ls1043ardb/ls1043ardb.c | 10 ++++++++++ 2 files changed, 18 insertions(+), 1 deletion(-) (limited to 'board') diff --git a/board/freescale/ls1043ardb/ddr.c b/board/freescale/ls1043ardb/ddr.c index b181579e8e..249d0565fc 100644 --- a/board/freescale/ls1043ardb/ddr.c +++ b/board/freescale/ls1043ardb/ddr.c @@ -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; + } } diff --git a/board/freescale/ls1043ardb/ls1043ardb.c b/board/freescale/ls1043ardb/ls1043ardb.c index cdd50d6d18..4556ea8ad1 100644 --- a/board/freescale/ls1043ardb/ls1043ardb.c +++ b/board/freescale/ls1043ardb/ls1043ardb.c @@ -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 -- cgit v1.2.1