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authorLudwig Zenz <lzenz@dh-electronics.de>2018-07-05 09:23:46 +0200
committerStefano Babic <sbabic@denx.de>2018-07-23 11:01:41 +0200
commit3d81584d40877f95a381355438e5694253f5fa9b (patch)
tree75f11b44d541f62f97e17e2b741635a794b07477 /board/dhelectronics
parent3a68ad49352ba1d33820e5ece4decd3ddb7c0287 (diff)
Revert "ARM: imx6: Disable DDR DRAM calibration DHCOM i.MX6 PDK"
This reverts commit a637fe6f27fd4c19ef9f43a5f871c244581422ac. The DDR DRAM calibration was enhanced by write leveling correction code. It can be used with T-topology now. Signed-off-by: Ludwig Zenz <lzenz@dh-electronics.de>
Diffstat (limited to 'board/dhelectronics')
-rw-r--r--board/dhelectronics/dh_imx6/dh_imx6_spl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
index dffe4ebd45..beda38955e 100644
--- a/board/dhelectronics/dh_imx6/dh_imx6_spl.c
+++ b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
@@ -384,6 +384,10 @@ void board_init_f(ulong dummy)
&dhcom6sdl_grp_ioregs);
mx6_dram_cfg(&dhcom_ddr_info, &dhcom_mmdc_calib, &dhcom_mem_ddr);
+ /* Perform DDR DRAM calibration */
+ udelay(100);
+ mmdc_do_dqs_calibration(&dhcom_ddr_info);
+
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);