3 files changed, 36 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/chip.h b/src/southbridge/intel/lynxpoint/chip.h
index bb4c0048c2..1b4ac2a355 100644
--- a/src/southbridge/intel/lynxpoint/chip.h
+++ b/src/southbridge/intel/lynxpoint/chip.h
@@ -72,6 +72,9 @@ struct southbridge_intel_lynxpoint_config {
 	uint8_t sata_port_map;
 	uint32_t sata_port0_gen3_tx;
 	uint32_t sata_port1_gen3_tx;
+	uint32_t sata_port0_gen3_dtle;
+	uint32_t sata_port1_gen3_dtle;
+
 	/* SATA DEVSLP Mux
 	 * 0 = port 0 DEVSLP on DEVSLP0/GPIO33
 	 * 1 = port 3 DEVSLP on DEVSLP0/GPIO33
diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h
index 60f81ee707..32c7d9bd01 100644
--- a/src/southbridge/intel/lynxpoint/pch.h
+++ b/src/southbridge/intel/lynxpoint/pch.h
@@ -347,6 +347,14 @@ int early_pch_init(const void *gpio_map,
 /* SATA IOBP Registers */
 #define SATA_IOBP_SP0G3IR	0xea000151
 #define SATA_IOBP_SP1G3IR	0xea000051
+#define SATA_IOBP_SP0DTLE_DATA	0xea002550
+#define SATA_IOBP_SP0DTLE_EDGE	0xea002554
+#define SATA_IOBP_SP1DTLE_DATA	0xea002750
+#define SATA_IOBP_SP1DTLE_EDGE	0xea002754
+
+#define SATA_DTLE_MASK		0xF
+#define SATA_DTLE_DATA_SHIFT	24
+#define SATA_DTLE_EDGE_SHIFT	16
 
 /* USB Registers */
 #define EHCI_PWR_CNTL_STS	0x54
diff --git a/src/southbridge/intel/lynxpoint/sata.c b/src/southbridge/intel/lynxpoint/sata.c
index 89128659bb..a8d831955e 100644
--- a/src/southbridge/intel/lynxpoint/sata.c
+++ b/src/southbridge/intel/lynxpoint/sata.c
@@ -233,6 +233,31 @@ static void sata_init(struct device *dev)
 		pch_iobp_update(SATA_IOBP_SP1G3IR, 0,
 				config->sata_port1_gen3_tx);
 
+	/* Set Gen3 DTLE DATA / EDGE registers if needed */
+	if (config->sata_port0_gen3_dtle) {
+		pch_iobp_update(SATA_IOBP_SP0DTLE_DATA,
+				~(SATA_DTLE_MASK << SATA_DTLE_DATA_SHIFT),
+				(config->sata_port0_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_DATA_SHIFT);
+
+		pch_iobp_update(SATA_IOBP_SP0DTLE_EDGE,
+				~(SATA_DTLE_MASK << SATA_DTLE_EDGE_SHIFT),
+				(config->sata_port0_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_EDGE_SHIFT);
+	}
+
+	if (config->sata_port1_gen3_dtle) {
+		pch_iobp_update(SATA_IOBP_SP1DTLE_DATA,
+				~(SATA_DTLE_MASK << SATA_DTLE_DATA_SHIFT),
+				(config->sata_port1_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_DATA_SHIFT);
+
+		pch_iobp_update(SATA_IOBP_SP1DTLE_EDGE,
+				~(SATA_DTLE_MASK << SATA_DTLE_EDGE_SHIFT),
+				(config->sata_port1_gen3_dtle & SATA_DTLE_MASK)
+				<< SATA_DTLE_EDGE_SHIFT);
+	}
+
 	/* Additional Programming Requirements */
 	/* Power Optimizer */