diff options
Diffstat (limited to 'target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c')
| -rw-r--r-- | target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c b/target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c deleted file mode 100644 index 183155e..0000000 --- a/target/linux/mcs814x/files-3.3/drivers/usb/host/ehci-mcs814x.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * MCS814X EHCI Host Controller Driver - * - * Based on "ehci-fsl.c" by Randy Vinson <rvinson@mvista.com> - * - * 2007 (c) MontaVista Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#include <linux/platform_device.h> -#include <linux/of.h> - -#define MCS814X_EHCI_CAPS_OFFSET 0x68 - -static int mcs814x_ehci_init(struct usb_hcd *hcd) -{ - struct ehci_hcd *ehci = hcd_to_ehci(hcd); - int retval = 0; - - ehci->caps = hcd->regs + MCS814X_EHCI_CAPS_OFFSET; - ehci->regs = hcd->regs - + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); - ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); - ehci_reset(ehci); - - retval = ehci_init(hcd); - if (retval) { - pr_err("ehci_init failed\n"); - return retval; - } - - ehci_port_power(ehci, 0); - - return retval; -} - -static const struct hc_driver mcs814x_ehci_hc_driver = { - .description = hcd_name, - .product_desc = "MCS814X EHCI Host Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - .irq = ehci_irq, - .flags = HCD_MEMORY | HCD_USB2, - .reset = mcs814x_ehci_init, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .get_frame_number = ehci_get_frame, - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, -#if defined(CONFIG_PM) - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, -#endif - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -}; - -static int mcs814x_ehci_probe(struct platform_device *pdev) -{ - struct usb_hcd *hcd; - const struct hc_driver *driver = &mcs814x_ehci_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(&pdev->dev, - "Found HC with no IRQ. Check %s setup!\n", - dev_name(&pdev->dev)); - return -ENODEV; - } - irq = res->start; - - pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask; - - hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev)); - if (!hcd) { - retval = -ENOMEM; - goto fail_create_hcd; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, - "Found HC with no register addr. Check %s setup!\n", - dev_name(&pdev->dev)); - retval = -ENODEV; - goto fail_request_resource; - } - 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(&pdev->dev, "controller already in use\n"); - retval = -EBUSY; - goto fail_request_resource; - } - - hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); - if (hcd->regs == NULL) { - dev_dbg(&pdev->dev, "error mapping memory\n"); - retval = -EFAULT; - goto fail_ioremap; - } - - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); - if (retval) - goto fail_add_hcd; - - dev_info(&pdev->dev, "added MCS814X EHCI driver\n"); - - return retval; - -fail_add_hcd: - iounmap(hcd->regs); -fail_ioremap: - release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -fail_request_resource: - usb_put_hcd(hcd); -fail_create_hcd: - dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval); - return retval; -} - -static int mcs814x_ehci_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); - usb_put_hcd(hcd); - - return 0; -} - -MODULE_ALIAS("platform:mcs814x-ehci"); - -static const struct of_device_id mcs814x_ehci_id[] = { - { .compatible = "moschip,mcs814x-ehci" }, - { .compatible = "usb-ehci" }, - { /* sentinel */ }, -}; - -static struct platform_driver mcs814x_ehci_driver = { - .probe = mcs814x_ehci_probe, - .remove = mcs814x_ehci_remove, - .driver = { - .name = "mcs814x-ehci", - .of_match_table = mcs814x_ehci_id, - }, -}; |