summaryrefslogtreecommitdiff
path: root/drivers/usb/host/ohci-cns3xxx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/ohci-cns3xxx.c')
-rw-r--r--drivers/usb/host/ohci-cns3xxx.c166
1 files changed, 0 insertions, 166 deletions
diff --git a/drivers/usb/host/ohci-cns3xxx.c b/drivers/usb/host/ohci-cns3xxx.c
deleted file mode 100644
index 2c9f233047be..000000000000
--- a/drivers/usb/host/ohci-cns3xxx.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/*
- * Copyright 2008 Cavium Networks
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, Version 2, as
- * published by the Free Software Foundation.
- */
-
-#include <linux/platform_device.h>
-#include <linux/atomic.h>
-#include <mach/cns3xxx.h>
-#include <mach/pm.h>
-
-static int __devinit
-cns3xxx_ohci_start(struct usb_hcd *hcd)
-{
- struct ohci_hcd *ohci = hcd_to_ohci(hcd);
- int ret;
-
- /*
- * EHCI and OHCI share the same clock and power,
- * resetting twice would cause the 1st controller been reset.
- * Therefore only do power up at the first up device, and
- * power down at the last down device.
- *
- * Set USB AHB INCR length to 16
- */
- if (atomic_inc_return(&usb_pwr_ref) == 1) {
- cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB);
- cns3xxx_pwr_clk_en(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
- cns3xxx_pwr_soft_rst(1 << PM_SOFT_RST_REG_OFFST_USB_HOST);
- __raw_writel((__raw_readl(MISC_CHIP_CONFIG_REG) | (0X2 << 24)),
- MISC_CHIP_CONFIG_REG);
- }
-
- ret = ohci_init(ohci);
- if (ret < 0)
- return ret;
-
- ohci->num_ports = 1;
-
- ret = ohci_run(ohci);
- if (ret < 0) {
- dev_err(hcd->self.controller, "can't start %s\n",
- hcd->self.bus_name);
- ohci_stop(hcd);
- return ret;
- }
- return 0;
-}
-
-static const struct hc_driver cns3xxx_ohci_hc_driver = {
- .description = hcd_name,
- .product_desc = "CNS3XXX OHCI Host controller",
- .hcd_priv_size = sizeof(struct ohci_hcd),
- .irq = ohci_irq,
- .flags = HCD_USB11 | HCD_MEMORY,
- .start = cns3xxx_ohci_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 cns3xxx_ohci_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct usb_hcd *hcd;
- const struct hc_driver *driver = &cns3xxx_ohci_hc_driver;
- struct resource *res;
- int irq;
- int retval;
-
- if (usb_disabled())
- return -ENODEV;
-
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res) {
- dev_err(dev, "Found HC with no IRQ.\n");
- return -ENODEV;
- }
- irq = res->start;
-
- hcd = usb_create_hcd(driver, dev, dev_name(dev));
- if (!hcd)
- return -ENOMEM;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(dev, "Found HC with no register addr.\n");
- retval = -ENODEV;
- 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, "controller already in use\n");
- retval = -EBUSY;
- goto err1;
- }
-
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs) {
- dev_dbg(dev, "error mapping memory\n");
- retval = -EFAULT;
- goto err2;
- }
-
- ohci_hcd_init(hcd_to_ohci(hcd));
-
- retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
- if (retval == 0)
- return retval;
-
- iounmap(hcd->regs);
-err2:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err1:
- usb_put_hcd(hcd);
- return retval;
-}
-
-static int cns3xxx_ohci_remove(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
- usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-
- /*
- * EHCI and OHCI share the same clock and power,
- * resetting twice would cause the 1st controller been reset.
- * Therefore only do power up at the first up device, and
- * power down at the last down device.
- */
- if (atomic_dec_return(&usb_pwr_ref) == 0)
- cns3xxx_pwr_clk_dis(1 << PM_CLK_GATE_REG_OFFSET_USB_HOST);
-
- usb_put_hcd(hcd);
-
- platform_set_drvdata(pdev, NULL);
-
- return 0;
-}
-
-MODULE_ALIAS("platform:cns3xxx-ohci");
-
-static struct platform_driver ohci_hcd_cns3xxx_driver = {
- .probe = cns3xxx_ohci_probe,
- .remove = cns3xxx_ohci_remove,
- .driver = {
- .name = "cns3xxx-ohci",
- },
-};