From: Shaohui Xie Shaohui.Xie@freescale.com
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 --- arch/arm/include/asm/arch-fsl-layerscape/config.h | 4 ++-- board/freescale/ls1043ardb/ddr.c | 9 ++++++++- board/freescale/ls1043ardb/ls1043ardb.c | 10 ++++++++++ include/configs/ls1043a_common.h | 1 + include/configs/ls1043ardb.h | 2 +- 5 files changed, 22 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h index 87bb937..aba360e 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/config.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h @@ -103,8 +103,8 @@ #define CONFIG_SYS_FSL_OCRAM_BASE 0x10000000 /* initial RAM */ #define CONFIG_SYS_FSL_OCRAM_SIZE 0x200000 /* 2 MiB */ #define CONFIG_SYS_FSL_DDR_BE -#define CONFIG_SYS_LS1_DDR_BLOCK1_SIZE ((phys_size_t)2 << 30) -#define CONFIG_MAX_MEM_MAPPED CONFIG_SYS_LS1_DDR_BLOCK1_SIZE +#define CONFIG_SYS_DDR_BLOCK1_SIZE ((phys_size_t)2 << 30) +#define CONFIG_MAX_MEM_MAPPED CONFIG_SYS_DDR_BLOCK1_SIZE
#define CONFIG_SYS_FSL_CCSR_GUR_BE #define CONFIG_SYS_FSL_CCSR_SCFG_BE 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 @@ 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 9032ed3..c4f2603 100644 --- a/board/freescale/ls1043ardb/ls1043ardb.c +++ b/board/freescale/ls1043ardb/ls1043ardb.c @@ -114,6 +114,16 @@ 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 diff --git a/include/configs/ls1043a_common.h b/include/configs/ls1043a_common.h index 6b9856a..677d281 100644 --- a/include/configs/ls1043a_common.h +++ b/include/configs/ls1043a_common.h @@ -44,6 +44,7 @@ #define CONFIG_SYS_DDR_SDRAM_BASE 0x80000000 #define CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY 0 #define CONFIG_SYS_SDRAM_BASE CONFIG_SYS_DDR_SDRAM_BASE +#define CONFIG_SYS_DDR_BLOCK2_BASE 0x880000000ULL
#define CPU_RELEASE_ADDR secondary_boot_func
diff --git a/include/configs/ls1043ardb.h b/include/configs/ls1043ardb.h index 307d947..acffe6e 100644 --- a/include/configs/ls1043ardb.h +++ b/include/configs/ls1043ardb.h @@ -27,7 +27,7 @@ #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_SYS_SPD_BUS_NUM 0