1 files changed, 42 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h
index c799ca073b..955eb7249f 100644
--- a/src/southbridge/intel/lynxpoint/pch.h
+++ b/src/southbridge/intel/lynxpoint/pch.h
@@ -67,6 +67,48 @@
 
 #ifndef __ACPI__
 
+#if CONFIG(INTEL_LYNXPOINT_LP)
+#define MAX_USB2_PORTS	10
+#define MAX_USB3_PORTS	4
+#else
+#define MAX_USB2_PORTS	14
+#define MAX_USB3_PORTS	6
+#endif
+
+/* There are 8 OC pins */
+#define USB_OC_PIN_SKIP	8
+
+enum usb2_port_location {
+	USB_PORT_SKIP = 0,
+	USB_PORT_BACK_PANEL,
+	USB_PORT_FRONT_PANEL,
+	USB_PORT_DOCK,
+	USB_PORT_MINI_PCIE,
+	USB_PORT_FLEX,
+	USB_PORT_INTERNAL,
+};
+
+/*
+ * USB port length is in MRC format: binary-coded decimal length in tenths of an inch.
+ *   4.2 inches -> 0x0042
+ *  12.7 inches -> 0x0127
+ */
+struct usb2_port_config {
+	uint16_t length;
+	bool enable;
+	unsigned short oc_pin;
+	enum usb2_port_location location;
+};
+
+struct usb3_port_config {
+	bool enable;
+	unsigned int oc_pin;
+};
+
+/* Mainboard-specific USB configuration */
+extern const struct usb2_port_config mainboard_usb2_ports[MAX_USB2_PORTS];
+extern const struct usb3_port_config mainboard_usb3_ports[MAX_USB3_PORTS];
+
 static inline int pch_is_lp(void)
 {
 	return CONFIG(INTEL_LYNXPOINT_LP);