3 files changed, 6 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/chip.h b/src/southbridge/intel/bd82x6x/chip.h
index f4be82d81f..f14f4ad3a6 100644
--- a/src/southbridge/intel/bd82x6x/chip.h
+++ b/src/southbridge/intel/bd82x6x/chip.h
@@ -94,6 +94,8 @@ struct southbridge_intel_bd82x6x_config {
 	uint32_t xhci_switchable_ports;
 	/* Ports which support SuperSpeed (USB 3.0 additional lanes).  */
 	uint32_t superspeed_capable_ports;
+	/* Overcurrent Mapping for USB 3.0 Ports */
+	uint32_t xhci_overcurrent_mapping;
 };
 
 #endif				/* SOUTHBRIDGE_INTEL_BD82X6X_CHIP_H */
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 7b52ebc3e3..4ec29035d1 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -449,6 +449,7 @@ early_usb_init (const struct southbridge_usb_port *portmap);
 #define USBOCM2		0x35a4	/* 32bit */
 
 /* XHCI USB 3.0 */
+#define XOCM		0xc0	/* 32bit */
 #define XUSB2PRM	0xd4	/* 32bit */
 #define USB3PRM		0xdc	/* 32bit */
 
diff --git a/src/southbridge/intel/bd82x6x/usb_xhci.c b/src/southbridge/intel/bd82x6x/usb_xhci.c
index 3e6ce6b341..639d640d3d 100644
--- a/src/southbridge/intel/bd82x6x/usb_xhci.c
+++ b/src/southbridge/intel/bd82x6x/usb_xhci.c
@@ -33,6 +33,9 @@ static void usb_xhci_init(struct device *dev)
 
 	printk(BIOS_DEBUG, "XHCI: Setting up controller.. ");
 
+	if (config->xhci_overcurrent_mapping)
+		pci_write_config32(dev, XOCM, config->xhci_overcurrent_mapping);
+
 	/* lock overcurrent map */
 	reg32 = pci_read_config32(dev, 0x44);
 	reg32 |= 1;