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Diffstat (limited to 'src/northbridge/via/cx700/usb.c')
-rw-r--r--src/northbridge/via/cx700/usb.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/northbridge/via/cx700/usb.c b/src/northbridge/via/cx700/usb.c
new file mode 100644
index 0000000000..a85189477f
--- /dev/null
+++ b/src/northbridge/via/cx700/usb.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2007-2009 coresystems GmbH
+ *
+ * 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>
+
+static void usb_init(struct device *dev)
+{
+ u32 reg32;
+ u8 reg8;
+
+ /* USB Specification says the device must be Bus Master */
+ printk(BIOS_DEBUG, "UHCI: Setting up controller.. ");
+
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
+
+ reg8 = pci_read_config8(dev, 0xca);
+ reg8 |= (1 << 0);
+ pci_write_config8(dev, 0xca, reg8);
+
+ 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 = 0,
+ .ops_pci = 0,
+};
+
+static const struct pci_driver via_usb_driver __pci_driver = {
+ .ops = &usb_ops,
+ .vendor = PCI_VENDOR_ID_VIA,
+ .device = 0x3038,
+};