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path: root/drivers/usb/host/ehci-ath79.c
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Diffstat (limited to 'drivers/usb/host/ehci-ath79.c')
-rw-r--r--drivers/usb/host/ehci-ath79.c208
1 files changed, 0 insertions, 208 deletions
diff --git a/drivers/usb/host/ehci-ath79.c b/drivers/usb/host/ehci-ath79.c
deleted file mode 100644
index f1424f9bc363..000000000000
--- a/drivers/usb/host/ehci-ath79.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * Bus Glue for Atheros AR7XXX/AR9XXX built-in EHCI controller.
- *
- * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
- *
- * Parts of this file are based on Atheros' 2.6.15 BSP
- * Copyright (C) 2007 Atheros Communications, Inc.
- *
- * This program 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>
-
-enum {
- EHCI_ATH79_IP_V1 = 0,
- EHCI_ATH79_IP_V2,
-};
-
-static const struct platform_device_id ehci_ath79_id_table[] = {
- {
- .name = "ar71xx-ehci",
- .driver_data = EHCI_ATH79_IP_V1,
- },
- {
- .name = "ar724x-ehci",
- .driver_data = EHCI_ATH79_IP_V2,
- },
- {
- .name = "ar913x-ehci",
- .driver_data = EHCI_ATH79_IP_V2,
- },
- {
- .name = "ar933x-ehci",
- .driver_data = EHCI_ATH79_IP_V2,
- },
- {
- /* terminating entry */
- },
-};
-
-MODULE_DEVICE_TABLE(platform, ehci_ath79_id_table);
-
-static int ehci_ath79_init(struct usb_hcd *hcd)
-{
- struct ehci_hcd *ehci = hcd_to_ehci(hcd);
- struct platform_device *pdev = to_platform_device(hcd->self.controller);
- const struct platform_device_id *id;
- int ret;
-
- id = platform_get_device_id(pdev);
- if (!id) {
- dev_err(hcd->self.controller, "missing device id\n");
- return -EINVAL;
- }
-
- switch (id->driver_data) {
- case EHCI_ATH79_IP_V1:
- ehci->has_synopsys_hc_bug = 1;
-
- ehci->caps = hcd->regs;
- ehci->regs = hcd->regs +
- HC_LENGTH(ehci,
- ehci_readl(ehci, &ehci->caps->hc_capbase));
- break;
-
- case EHCI_ATH79_IP_V2:
- hcd->has_tt = 1;
-
- ehci->caps = hcd->regs + 0x100;
- ehci->regs = hcd->regs + 0x100 +
- HC_LENGTH(ehci,
- ehci_readl(ehci, &ehci->caps->hc_capbase));
- break;
-
- default:
- BUG();
- }
-
- dbg_hcs_params(ehci, "reset");
- dbg_hcc_params(ehci, "reset");
- ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
- ehci->sbrn = 0x20;
-
- ehci_reset(ehci);
-
- ret = ehci_init(hcd);
- if (ret)
- return ret;
-
- ehci_port_power(ehci, 0);
-
- return 0;
-}
-
-static const struct hc_driver ehci_ath79_hc_driver = {
- .description = hcd_name,
- .product_desc = "Atheros built-in EHCI controller",
- .hcd_priv_size = sizeof(struct ehci_hcd),
- .irq = ehci_irq,
- .flags = HCD_MEMORY | HCD_USB2,
-
- .reset = ehci_ath79_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,
- .endpoint_reset = ehci_endpoint_reset,
-
- .get_frame_number = ehci_get_frame,
-
- .hub_status_data = ehci_hub_status_data,
- .hub_control = ehci_hub_control,
-
- .relinquish_port = ehci_relinquish_port,
- .port_handed_over = ehci_port_handed_over,
-
- .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-};
-
-static int ehci_ath79_probe(struct platform_device *pdev)
-{
- struct usb_hcd *hcd;
- struct resource *res;
- int irq;
- int ret;
-
- if (usb_disabled())
- return -ENODEV;
-
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res) {
- dev_dbg(&pdev->dev, "no IRQ specified\n");
- return -ENODEV;
- }
- irq = res->start;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_dbg(&pdev->dev, "no base address specified\n");
- return -ENODEV;
- }
-
- hcd = usb_create_hcd(&ehci_ath79_hc_driver, &pdev->dev,
- dev_name(&pdev->dev));
- if (!hcd)
- return -ENOMEM;
-
- hcd->rsrc_start = res->start;
- hcd->rsrc_len = resource_size(res);
-
- if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
- dev_dbg(&pdev->dev, "controller already in use\n");
- ret = -EBUSY;
- goto err_put_hcd;
- }
-
- hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs) {
- dev_dbg(&pdev->dev, "error mapping memory\n");
- ret = -EFAULT;
- goto err_release_region;
- }
-
- ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
- if (ret)
- goto err_iounmap;
-
- return 0;
-
-err_iounmap:
- iounmap(hcd->regs);
-
-err_release_region:
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err_put_hcd:
- usb_put_hcd(hcd);
- return ret;
-}
-
-static int ehci_ath79_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;
-}
-
-static struct platform_driver ehci_ath79_driver = {
- .probe = ehci_ath79_probe,
- .remove = ehci_ath79_remove,
- .id_table = ehci_ath79_id_table,
- .driver = {
- .owner = THIS_MODULE,
- .name = "ath79-ehci",
- }
-};
-
-MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ath79-ehci");