From: Shaohui Xie <shaohui....@freescale.com>
This patch also exposes the complete DDR region(s) to Linux.
Signed-off-by: Shaohui Xie <shaohui....@freescale.com>
---
board/freescale/ls1043aqds/ddr.c | 19 ++++++++++++++++---
board/freescale/ls1043aqds/ls1043aqds.c | 10 ++++++++++
include/configs/ls1043aqds.h | 2 +-
3 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/board/freescale/ls1043aqds/ddr.c b/board/freescale/ls1043aqds/ddr.c
index 42d9068..3d3c533 100644
--- a/board/freescale/ls1043aqds/ddr.c
+++ b/board/freescale/ls1043aqds/ddr.c
@@ -132,9 +132,22 @@ void dram_init_banksize(void)
* The address needs to add the offset of its bank.
*/
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;
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
- gd->secure_ram = gd->bd->bi_dram[0].start + gd->secure_ram;
- gd->secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+ gd->secure_ram = gd->bd->bi_dram[1].start +
+ gd->secure_ram -
+ CONFIG_SYS_DDR_BLOCK1_SIZE;
+ gd->secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
#endif
+ } else {
+ gd->bd->bi_dram[0].size = gd->ram_size;
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+ gd->secure_ram = gd->bd->bi_dram[0].start + gd->secure_ram;
+ gd->secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+#endif
+ }
}
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c
b/board/freescale/ls1043aqds/ls1043aqds.c
index d6696ca..576fa46 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -303,6 +303,16 @@ int board_init(void)
#ifdef CONFIG_OF_BOARD_SETUP
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
diff --git a/include/configs/ls1043aqds.h b/include/configs/ls1043aqds.h
index 398f1c3..02247b3 100644
--- a/include/configs/ls1043aqds.h
+++ b/include/configs/ls1043aqds.h
@@ -33,7 +33,7 @@ unsigned long get_board_ddr_clk(void);
#define CONFIG_DIMM_SLOTS_PER_CTLR 1
/* Physical Memory Map */
#define CONFIG_CHIP_SELECTS_PER_CTRL 4
-#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_NR_DRAM_BANKS 2
#define CONFIG_DDR_SPD
#define SPD_EEPROM_ADDRESS 0x51
--
2.1.0.27.g96db324
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