zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/usb/host/ohci-xls.c b/ap/os/linux/linux-3.4.x/drivers/usb/host/ohci-xls.c
new file mode 100644
index 0000000..a224786
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/usb/host/ohci-xls.c
@@ -0,0 +1,151 @@
+/*
+ * OHCI HCD for Netlogic XLS processors.
+ *
+ * (C) Copyright 2011 Netlogic Microsystems Inc.
+ *
+ * Based on ohci-au1xxx.c, and other Linux OHCI drivers.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/signal.h>
+
+static int ohci_xls_probe_internal(const struct hc_driver *driver,
+ struct platform_device *dev)
+{
+ struct resource *res;
+ struct usb_hcd *hcd;
+ int retval, irq;
+
+ /* Get our IRQ from an earlier registered Platform Resource */
+ irq = platform_get_irq(dev, 0);
+ if (irq < 0) {
+ dev_err(&dev->dev, "Found HC with no IRQ\n");
+ return -ENODEV;
+ }
+
+ /* Get our Memory Handle */
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&dev->dev, "MMIO Handle incorrect!\n");
+ return -ENODEV;
+ }
+
+ hcd = usb_create_hcd(driver, &dev->dev, "XLS");
+ if (!hcd) {
+ retval = -ENOMEM;
+ goto err1;
+ }
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
+
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
+ driver->description)) {
+ dev_dbg(&dev->dev, "Controller already in use\n");
+ retval = -EBUSY;
+ goto err2;
+ }
+
+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
+ if (hcd->regs == NULL) {
+ dev_dbg(&dev->dev, "error mapping memory\n");
+ retval = -EFAULT;
+ goto err3;
+ }
+
+ retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+ if (retval != 0)
+ goto err4;
+ return retval;
+
+err4:
+ iounmap(hcd->regs);
+err3:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err2:
+ usb_put_hcd(hcd);
+err1:
+ dev_err(&dev->dev, "init fail, %d\n", retval);
+ return retval;
+}
+
+static int ohci_xls_reset(struct usb_hcd *hcd)
+{
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+
+ ohci_hcd_init(ohci);
+ return ohci_init(ohci);
+}
+
+static int __devinit ohci_xls_start(struct usb_hcd *hcd)
+{
+ struct ohci_hcd *ohci;
+ int ret;
+
+ ohci = hcd_to_ohci(hcd);
+ ret = ohci_run(ohci);
+ if (ret < 0) {
+ err("can't start %s", hcd->self.bus_name);
+ ohci_stop(hcd);
+ return ret;
+ }
+ return 0;
+}
+
+static struct hc_driver ohci_xls_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "XLS OHCI Host Controller",
+ .hcd_priv_size = sizeof(struct ohci_hcd),
+ .irq = ohci_irq,
+ .flags = HCD_MEMORY | HCD_USB11,
+ .reset = ohci_xls_reset,
+ .start = ohci_xls_start,
+ .stop = ohci_stop,
+ .shutdown = ohci_shutdown,
+ .urb_enqueue = ohci_urb_enqueue,
+ .urb_dequeue = ohci_urb_dequeue,
+ .endpoint_disable = ohci_endpoint_disable,
+ .get_frame_number = ohci_get_frame,
+ .hub_status_data = ohci_hub_status_data,
+ .hub_control = ohci_hub_control,
+#ifdef CONFIG_PM
+ .bus_suspend = ohci_bus_suspend,
+ .bus_resume = ohci_bus_resume,
+#endif
+ .start_port_reset = ohci_start_port_reset,
+};
+
+static int ohci_xls_probe(struct platform_device *dev)
+{
+ int ret;
+
+ pr_debug("In ohci_xls_probe");
+ if (usb_disabled())
+ return -ENODEV;
+ ret = ohci_xls_probe_internal(&ohci_xls_hc_driver, dev);
+ return ret;
+}
+
+static int ohci_xls_remove(struct platform_device *dev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(dev);
+
+ usb_remove_hcd(hcd);
+ iounmap(hcd->regs);
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ usb_put_hcd(hcd);
+ return 0;
+}
+
+static struct platform_driver ohci_xls_driver = {
+ .probe = ohci_xls_probe,
+ .remove = ohci_xls_remove,
+ .shutdown = usb_hcd_platform_shutdown,
+ .driver = {
+ .name = "ohci-xls-0",
+ .owner = THIS_MODULE,
+ },
+};