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Diffstat (limited to 'src/southbridge/intel/i82801dx/usb2.c')
-rw-r--r--src/southbridge/intel/i82801dx/usb2.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801dx/usb2.c b/src/southbridge/intel/i82801dx/usb2.c
new file mode 100644
index 0000000000..a0ea5f64e1
--- /dev/null
+++ b/src/southbridge/intel/i82801dx/usb2.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2003 Tyan
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#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 usb2_init(struct device *dev)
+{
+ u32 cmd;
+ printk(BIOS_DEBUG, "USB: Setting up controller.. ");
+ cmd = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND,
+ cmd | PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
+ PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE);
+ printk(BIOS_DEBUG, "done.\n");
+}
+
+static struct device_operations usb2_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = usb2_init,
+ .scan_bus = 0,
+ .enable = i82801dx_enable,
+};
+
+/* 82801DB/DBM USB 2.0 */
+static const struct pci_driver usb2_driver __pci_driver = {
+ .ops = &usb2_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_82801DB_EHCI,
+};