2 files changed, 10 insertions, 2 deletions
diff --git a/src/northbridge/intel/sandybridge/mchbar_regs.h b/src/northbridge/intel/sandybridge/mchbar_regs.h
index a8ae9c53a9..cf29155f35 100644
--- a/src/northbridge/intel/sandybridge/mchbar_regs.h
+++ b/src/northbridge/intel/sandybridge/mchbar_regs.h
@@ -215,6 +215,10 @@
 #define TC_RAP_ch(ch)			Cx(0x4004, ch) /* Timings: Regular access */
 #define TC_RWP_ch(ch)			Cx(0x4008, ch) /* Timings: Read / Write */
 #define TC_OTHP_ch(ch)			Cx(0x400c, ch) /* Timings: Other parameters */
+
+/** WARNING: Only applies to Ivy Bridge! */
+#define TC_DTP_ch(ch)			Cx(0x4014, ch) /** Timings: Debug parameters */
+
 #define SCHED_SECOND_CBIT_ch(ch)	Cx(0x401c, ch) /* More chicken bits */
 #define SCHED_CBIT_ch(ch)		Cx(0x4020, ch) /* Chicken bits in scheduler */
 #define SC_ROUNDT_LAT_ch(ch)		Cx(0x4024, ch) /* Round-trip latency per rank */
@@ -280,6 +284,10 @@
 #define TC_RAP			0x4c04 /* Timings: Regular access */
 #define TC_RWP			0x4c08 /* Timings: Read / Write */
 #define TC_OTHP			0x4c0c /* Timings: Other parameters */
+
+/** WARNING: Only applies to Ivy Bridge! */
+#define TC_DTP			0x4c14 /** Timings: Debug parameters */
+
 #define SCHED_SECOND_CBIT	0x4c1c /* More chicken bits */
 #define SCHED_CBIT		0x4c20 /* Chicken bits in scheduler */
 #define SC_ROUNDT_LAT		0x4c24 /* Round-trip latency per rank */
diff --git a/src/northbridge/intel/sandybridge/raminit_common.c b/src/northbridge/intel/sandybridge/raminit_common.c
index d10b859575..620c57404a 100644
--- a/src/northbridge/intel/sandybridge/raminit_common.c
+++ b/src/northbridge/intel/sandybridge/raminit_common.c
@@ -216,8 +216,8 @@ void dram_timing_regs(ramctr_timing *ctrl)
 		printram("OTHP [%x] = %x\n", addr, reg);
 		MCHBAR32(addr) = reg;
 
-		/* FIXME: This register might as well not exist */
-		MCHBAR32(0x4014 + channel * 0x400) = 0;
+		/* FIXME: This register only exists on Ivy Bridge! */
+		MCHBAR32(TC_DTP_ch(channel)) = 0;
 
 		MCHBAR32_OR(addr, 0x00020000);