diff --git a/board/ebv/socrates/qts/sdram_config.h b/board/ebv/socrates/qts/sdram_config.h
index cf9d1d3..b4872c2 100644
--- a/board/ebv/socrates/qts/sdram_config.h
+++ b/board/ebv/socrates/qts/sdram_config.h
@@ -49,6 +49,9 @@
 #define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING3_TRTP			4
 #define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_PWRDOWNEXIT		3
 #define CONFIG_HPS_SDR_CTRLCFG_DRAMTIMING4_SELFRFSHEXIT		512
+#define CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR 0
+#define CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_BC 0
+#define CONFIG_HPS_SDR_CTRLCFG_EXTRATIME1_CFG_EXTRA_CTL_CLK_RD_TO_WR_DIFF_CHIP 0
 #define CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_INCSYNC			0
 #define CONFIG_HPS_SDR_CTRLCFG_FIFOCFG_SYNCMODE			0
 #define CONFIG_HPS_SDR_CTRLCFG_FPGAPORTRST			0x0