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Diffstat (limited to 'src/soc/intel/sch/usb_client.c')
-rw-r--r--src/soc/intel/sch/usb_client.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/soc/intel/sch/usb_client.c b/src/soc/intel/sch/usb_client.c
new file mode 100644
index 0000000000..02f5b8253c
--- /dev/null
+++ b/src/soc/intel/sch/usb_client.c
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2009-2010 iWave Systems
+ *
+ * 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.
+ */
+
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+
+static void usb_client_init(struct device *dev)
+{
+ u32 reg32;
+
+ printk(BIOS_DEBUG, "USB Client: Setting up controller.. ");
+ reg32 = pci_read_config32(dev, PCI_COMMAND);
+ reg32 |= PCI_COMMAND_MASTER;
+ reg32 |= PCI_COMMAND_MEMORY;
+ pci_write_config32(dev, PCI_COMMAND, reg32);
+ printk(BIOS_DEBUG, "done.\n");
+}
+
+static void usb_client_set_subsystem(device_t dev, unsigned vendor, unsigned device)
+{
+ if (!vendor || !device) {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ pci_read_config32(dev, PCI_VENDOR_ID));
+ } else {
+ pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
+ ((device & 0xffff) << 16) | (vendor & 0xffff));
+ }
+}
+
+static struct pci_operations lops_pci = {
+ .set_subsystem = &usb_client_set_subsystem,
+};
+
+static struct device_operations usb_client_ops = {
+ .read_resources = pci_dev_read_resources,
+ .set_resources = pci_dev_set_resources,
+ .enable_resources = pci_dev_enable_resources,
+ .init = usb_client_init,
+ .scan_bus = 0,
+ .ops_pci = &lops_pci,
+};
+
+static const struct pci_driver sch_usb_client __pci_driver = {
+ .ops = &usb_client_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = 0x8118,
+};