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board/ls1021aqds: Add DDR4 support

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LS1021AQDS has a variant with DDR4 slot. This patch adds a new defconfig
for this variant to enable DDR4 support. RAW timing parameters are not
added for DDR4. The board timing parameters are only tuned for single-
rank 1600 and 1800MT/s with Micron DIMM 9ASF51272AZ-2G1A1 due to DIMM
availability.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: Alison Wang <alison.wang@freescale.com>
This commit is contained in:
York Sun
2014-09-11 13:32:07 -07:00
parent f80d6472b4
commit c7eae7fcb1
6 changed files with 30 additions and 2 deletions
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5
arch/arm/include/asm/arch-ls102xa/config.h
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@@ -50,7 +50,11 @@
#ifdef CONFIG_DDR_SPD
#define CONFIG_SYS_FSL_DDR_BE
#define CONFIG_VERY_BIG_RAM
#ifdef CONFIG_SYS_FSL_DDR4
#define CONFIG_SYS_FSL_DDRC_GEN4
#else
#define CONFIG_SYS_FSL_DDRC_ARM_GEN3
#endif
#define CONFIG_SYS_FSL_DDR
#define CONFIG_SYS_LS1_DDR_BLOCK1_SIZE ((phys_size_t)2 << 30)
#define CONFIG_MAX_MEM_MAPPED CONFIG_SYS_LS1_DDR_BLOCK1_SIZE
@@ -71,6 +75,7 @@
#define CONFIG_MAX_CPUS 2
#define CONFIG_SYS_FSL_IFC_BANK_COUNT 8
#define CONFIG_NUM_DDR_CONTROLLERS 1
#define CONFIG_SYS_FSL_DDR_VER FSL_DDR_VER_5_0
#else
#error SoC not defined
#endif