1 files changed, 45 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801dx/usb.c b/src/southbridge/intel/i82801dx/usb.c
new file mode 100644
index 0000000000..16ec3077e9
--- /dev/null
+++ b/src/southbridge/intel/i82801dx/usb.c
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+#include "i82801dx.h"
+
+static void usb_init(struct device *dev)
+{
+	printk(BIOS_DEBUG, "USB: Setting up controller.. ");
+	pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
+			   PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE);
+	printk(BIOS_DEBUG, "done.\n");
+}
+
+static struct device_operations usb_ops = {
+	.read_resources = pci_dev_read_resources,
+	.set_resources = pci_dev_set_resources,
+	.enable_resources = pci_dev_enable_resources,
+	.init = usb_init,
+	.enable = i82801dx_enable,
+};
+
+/* 82801DB/DBL/DBM USB1 */
+static const struct pci_driver usb_driver_1 __pci_driver = {
+	.ops = &usb_ops,
+	.vendor = PCI_VID_INTEL,
+	.device = PCI_DID_INTEL_82801DB_USB1,
+};
+
+/* 82801DB/DBL/DBM USB2 */
+static const struct pci_driver usb_driver_2 __pci_driver = {
+	.ops = &usb_ops,
+	.vendor = PCI_VID_INTEL,
+	.device = PCI_DID_INTEL_82801DB_USB2,
+};
+
+/* 82801DB/DBL/DBM USB3 */
+static const struct pci_driver usb_driver_3 __pci_driver = {
+	.ops = &usb_ops,
+	.vendor = PCI_VID_INTEL,
+	.device = PCI_DID_INTEL_82801DB_USB3,
+};