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>
diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
index dffe4eb..beda389 100644
--- a/board/dhelectronics/dh_imx6/dh_imx6_spl.c
+++ b/board/dhelectronics/dh_imx6/dh_imx6_spl.c
@@ -384,6 +384,10 @@
&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);