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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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3
configs/ls1021aqds_ddr4_nor_defconfig Normal file
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@@ -0,0 +1,3 @@
CONFIG_SYS_EXTRA_OPTIONS="SYS_FSL_DDR4"
CONFIG_ARM=y
CONFIG_TARGET_LS1021AQDS=y