#define XILINX_OF_PLATFORM_DRIVER ehci_hcd_xilinx_of_driver
#endif
-#ifdef CONFIG_TILE_USB
-#include "ehci-tilegx.c"
-#define PLATFORM_DRIVER ehci_hcd_tilegx_driver
-#endif
-
#ifdef CONFIG_USB_EHCI_HCD_PMC_MSP
#include "ehci-pmcmsp.c"
#define PLATFORM_DRIVER ehci_hcd_msp_driver
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2012 Tilera Corporation. All Rights Reserved.
- */
-
-/*
- * Tilera TILE-Gx USB EHCI host controller driver.
- */
-
-#include <linux/irq.h>
-#include <linux/platform_device.h>
-#include <linux/usb/tilegx.h>
-#include <linux/usb.h>
-
-#include <asm/homecache.h>
-
-#include <gxio/iorpc_usb_host.h>
-#include <gxio/usb_host.h>
-
-static void tilegx_start_ehc(void)
-{
-}
-
-static void tilegx_stop_ehc(void)
-{
-}
-
-static int tilegx_ehci_setup(struct usb_hcd *hcd)
-{
- int ret = ehci_init(hcd);
-
- /*
- * Some drivers do:
- *
- * struct ehci_hcd *ehci = hcd_to_ehci(hcd);
- * ehci->need_io_watchdog = 0;
- *
- * here, but since this is a new driver we're going to leave the
- * watchdog enabled. Later we may try to turn it off and see
- * whether we run into any problems.
- */
-
- return ret;
-}
-
-static const struct hc_driver ehci_tilegx_hc_driver = {
- .description = hcd_name,
- .product_desc = "Tile-Gx EHCI",
- .hcd_priv_size = sizeof(struct ehci_hcd),
-
- /*
- * Generic hardware linkage.
- */
- .irq = ehci_irq,
- .flags = HCD_MEMORY | HCD_USB2 | HCD_BH,
-
- /*
- * Basic lifecycle operations.
- */
- .reset = tilegx_ehci_setup,
- .start = ehci_run,
- .stop = ehci_stop,
- .shutdown = ehci_shutdown,
-
- /*
- * Managing I/O requests and associated device resources.
- */
- .urb_enqueue = ehci_urb_enqueue,
- .urb_dequeue = ehci_urb_dequeue,
- .endpoint_disable = ehci_endpoint_disable,
- .endpoint_reset = ehci_endpoint_reset,
-
- /*
- * Scheduling support.
- */
- .get_frame_number = ehci_get_frame,
-
- /*
- * Root hub support.
- */
- .hub_status_data = ehci_hub_status_data,
- .hub_control = ehci_hub_control,
- .bus_suspend = ehci_bus_suspend,
- .bus_resume = ehci_bus_resume,
- .relinquish_port = ehci_relinquish_port,
- .port_handed_over = ehci_port_handed_over,
-
- .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-};
-
-static int ehci_hcd_tilegx_drv_probe(struct platform_device *pdev)
-{
- struct usb_hcd *hcd;
- struct ehci_hcd *ehci;
- struct tilegx_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
- pte_t pte = { 0 };
- int my_cpu = smp_processor_id();
- int ret;
-
- if (usb_disabled())
- return -ENODEV;
-
- /*
- * Try to initialize our GXIO context; if we can't, the device
- * doesn't exist.
- */
- if (gxio_usb_host_init(&pdata->usb_ctx, pdata->dev_index, 1) != 0)
- return -ENXIO;
-
- hcd = usb_create_hcd(&ehci_tilegx_hc_driver, &pdev->dev,
- dev_name(&pdev->dev));
- if (!hcd) {
- ret = -ENOMEM;
- goto err_hcd;
- }
-
- /*
- * We don't use rsrc_start to map in our registers, but seems like
- * we ought to set it to something, so we use the register VA.
- */
- hcd->rsrc_start =
- (ulong) gxio_usb_host_get_reg_start(&pdata->usb_ctx);
- hcd->rsrc_len = gxio_usb_host_get_reg_len(&pdata->usb_ctx);
- hcd->regs = gxio_usb_host_get_reg_start(&pdata->usb_ctx);
-
- tilegx_start_ehc();
-
- ehci = hcd_to_ehci(hcd);
- ehci->caps = hcd->regs;
- ehci->regs =
- hcd->regs + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase));
- /* cache this readonly data; minimize chip reads */
- ehci->hcs_params = readl(&ehci->caps->hcs_params);
-
- /* Create our IRQs and register them. */
- pdata->irq = irq_alloc_hwirq(-1);
- if (!pdata->irq) {
- ret = -ENXIO;
- goto err_no_irq;
- }
-
- tile_irq_activate(pdata->irq, TILE_IRQ_PERCPU);
-
- /* Configure interrupts. */
- ret = gxio_usb_host_cfg_interrupt(&pdata->usb_ctx,
- cpu_x(my_cpu), cpu_y(my_cpu),
- KERNEL_PL, pdata->irq);
- if (ret) {
- ret = -ENXIO;
- goto err_have_irq;
- }
-
- /* Register all of our memory. */
- pte = pte_set_home(pte, PAGE_HOME_HASH);
- ret = gxio_usb_host_register_client_memory(&pdata->usb_ctx, pte, 0);
- if (ret) {
- ret = -ENXIO;
- goto err_have_irq;
- }
-
- ret = usb_add_hcd(hcd, pdata->irq, IRQF_SHARED);
- if (ret == 0) {
- platform_set_drvdata(pdev, hcd);
- device_wakeup_enable(hcd->self.controller);
- return ret;
- }
-
-err_have_irq:
- irq_free_hwirq(pdata->irq);
-err_no_irq:
- tilegx_stop_ehc();
- usb_put_hcd(hcd);
-err_hcd:
- gxio_usb_host_destroy(&pdata->usb_ctx);
- return ret;
-}
-
-static int ehci_hcd_tilegx_drv_remove(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
- struct tilegx_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
-
- usb_remove_hcd(hcd);
- usb_put_hcd(hcd);
- tilegx_stop_ehc();
- gxio_usb_host_destroy(&pdata->usb_ctx);
- irq_free_hwirq(pdata->irq);
-
- return 0;
-}
-
-static void ehci_hcd_tilegx_drv_shutdown(struct platform_device *pdev)
-{
- usb_hcd_platform_shutdown(pdev);
- ehci_hcd_tilegx_drv_remove(pdev);
-}
-
-static struct platform_driver ehci_hcd_tilegx_driver = {
- .probe = ehci_hcd_tilegx_drv_probe,
- .remove = ehci_hcd_tilegx_drv_remove,
- .shutdown = ehci_hcd_tilegx_drv_shutdown,
- .driver = {
- .name = "tilegx-ehci",
- }
-};
-
-MODULE_ALIAS("platform:tilegx-ehci");
#define TMIO_OHCI_DRIVER ohci_hcd_tmio_driver
#endif
-#ifdef CONFIG_TILE_USB
-#include "ohci-tilegx.c"
-#define PLATFORM_DRIVER ohci_hcd_tilegx_driver
-#endif
-
static int __init ohci_hcd_mod_init(void)
{
int retval = 0;
goto error_ps3;
#endif
-#ifdef PLATFORM_DRIVER
- retval = platform_driver_register(&PLATFORM_DRIVER);
- if (retval < 0)
- goto error_platform;
-#endif
-
#ifdef OF_PLATFORM_DRIVER
retval = platform_driver_register(&OF_PLATFORM_DRIVER);
if (retval < 0)
platform_driver_unregister(&OF_PLATFORM_DRIVER);
error_of_platform:
#endif
-#ifdef PLATFORM_DRIVER
- platform_driver_unregister(&PLATFORM_DRIVER);
- error_platform:
-#endif
#ifdef PS3_SYSTEM_BUS_DRIVER
ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
error_ps3:
#ifdef OF_PLATFORM_DRIVER
platform_driver_unregister(&OF_PLATFORM_DRIVER);
#endif
-#ifdef PLATFORM_DRIVER
- platform_driver_unregister(&PLATFORM_DRIVER);
-#endif
#ifdef PS3_SYSTEM_BUS_DRIVER
ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
#endif
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2012 Tilera Corporation. All Rights Reserved.
- */
-
-/*
- * Tilera TILE-Gx USB OHCI host controller driver.
- */
-
-#include <linux/irq.h>
-#include <linux/platform_device.h>
-#include <linux/usb/tilegx.h>
-#include <linux/usb.h>
-
-#include <asm/homecache.h>
-
-#include <gxio/iorpc_usb_host.h>
-#include <gxio/usb_host.h>
-
-static void tilegx_start_ohc(void)
-{
-}
-
-static void tilegx_stop_ohc(void)
-{
-}
-
-static int tilegx_ohci_start(struct usb_hcd *hcd)
-{
- struct ohci_hcd *ohci = hcd_to_ohci(hcd);
- int ret;
-
- ret = ohci_init(ohci);
- if (ret < 0)
- return ret;
-
- 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 ohci_tilegx_hc_driver = {
- .description = hcd_name,
- .product_desc = "Tile-Gx OHCI",
- .hcd_priv_size = sizeof(struct ohci_hcd),
-
- /*
- * Generic hardware linkage.
- */
- .irq = ohci_irq,
- .flags = HCD_MEMORY | HCD_LOCAL_MEM | HCD_USB11,
-
- /*
- * Basic lifecycle operations.
- */
- .start = tilegx_ohci_start,
- .stop = ohci_stop,
- .shutdown = ohci_shutdown,
-
- /*
- * Managing I/O requests and associated device resources.
- */
- .urb_enqueue = ohci_urb_enqueue,
- .urb_dequeue = ohci_urb_dequeue,
- .endpoint_disable = ohci_endpoint_disable,
-
- /*
- * Scheduling support.
- */
- .get_frame_number = ohci_get_frame,
-
- /*
- * Root hub support.
- */
- .hub_status_data = ohci_hub_status_data,
- .hub_control = ohci_hub_control,
- .start_port_reset = ohci_start_port_reset,
-};
-
-static int ohci_hcd_tilegx_drv_probe(struct platform_device *pdev)
-{
- struct usb_hcd *hcd;
- struct tilegx_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
- pte_t pte = { 0 };
- int my_cpu = smp_processor_id();
- int ret;
-
- if (usb_disabled())
- return -ENODEV;
-
- /*
- * Try to initialize our GXIO context; if we can't, the device
- * doesn't exist.
- */
- if (gxio_usb_host_init(&pdata->usb_ctx, pdata->dev_index, 0) != 0)
- return -ENXIO;
-
- hcd = usb_create_hcd(&ohci_tilegx_hc_driver, &pdev->dev,
- dev_name(&pdev->dev));
- if (!hcd) {
- ret = -ENOMEM;
- goto err_hcd;
- }
-
- /*
- * We don't use rsrc_start to map in our registers, but seems like
- * we ought to set it to something, so we use the register VA.
- */
- hcd->rsrc_start =
- (ulong) gxio_usb_host_get_reg_start(&pdata->usb_ctx);
- hcd->rsrc_len = gxio_usb_host_get_reg_len(&pdata->usb_ctx);
- hcd->regs = gxio_usb_host_get_reg_start(&pdata->usb_ctx);
-
- tilegx_start_ohc();
-
- /* Create our IRQs and register them. */
- pdata->irq = irq_alloc_hwirq(-1);
- if (!pdata->irq) {
- ret = -ENXIO;
- goto err_no_irq;
- }
-
- tile_irq_activate(pdata->irq, TILE_IRQ_PERCPU);
-
- /* Configure interrupts. */
- ret = gxio_usb_host_cfg_interrupt(&pdata->usb_ctx,
- cpu_x(my_cpu), cpu_y(my_cpu),
- KERNEL_PL, pdata->irq);
- if (ret) {
- ret = -ENXIO;
- goto err_have_irq;
- }
-
- /* Register all of our memory. */
- pte = pte_set_home(pte, PAGE_HOME_HASH);
- ret = gxio_usb_host_register_client_memory(&pdata->usb_ctx, pte, 0);
- if (ret) {
- ret = -ENXIO;
- goto err_have_irq;
- }
-
- ohci_hcd_init(hcd_to_ohci(hcd));
-
- ret = usb_add_hcd(hcd, pdata->irq, IRQF_SHARED);
- if (ret == 0) {
- platform_set_drvdata(pdev, hcd);
- device_wakeup_enable(hcd->self.controller);
- return ret;
- }
-
-err_have_irq:
- irq_free_hwirq(pdata->irq);
-err_no_irq:
- tilegx_stop_ohc();
- usb_put_hcd(hcd);
-err_hcd:
- gxio_usb_host_destroy(&pdata->usb_ctx);
- return ret;
-}
-
-static int ohci_hcd_tilegx_drv_remove(struct platform_device *pdev)
-{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
- struct tilegx_usb_platform_data *pdata = dev_get_platdata(&pdev->dev);
-
- usb_remove_hcd(hcd);
- usb_put_hcd(hcd);
- tilegx_stop_ohc();
- gxio_usb_host_destroy(&pdata->usb_ctx);
- irq_free_hwirq(pdata->irq);
-
- return 0;
-}
-
-static void ohci_hcd_tilegx_drv_shutdown(struct platform_device *pdev)
-{
- usb_hcd_platform_shutdown(pdev);
- ohci_hcd_tilegx_drv_remove(pdev);
-}
-
-static struct platform_driver ohci_hcd_tilegx_driver = {
- .probe = ohci_hcd_tilegx_drv_probe,
- .remove = ohci_hcd_tilegx_drv_remove,
- .shutdown = ohci_hcd_tilegx_drv_shutdown,
- .driver = {
- .name = "tilegx-ohci",
- }
-};
-
-MODULE_ALIAS("platform:tilegx-ohci");
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright 2012 Tilera Corporation. All Rights Reserved.
- *
- * 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.
- *
- * 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, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for
- * more details.
- *
- * Structure to contain platform-specific data related to Tile-Gx USB
- * controllers.
- */
-
-#ifndef _LINUX_USB_TILEGX_H
-#define _LINUX_USB_TILEGX_H
-
-#include <gxio/usb_host.h>
-
-struct tilegx_usb_platform_data {
- /* GXIO device index. */
- int dev_index;
-
- /* GXIO device context. */
- gxio_usb_host_context_t usb_ctx;
-
- /* Device IRQ. */
- unsigned int irq;
-};
-
-#endif /* _LINUX_USB_TILEGX_H */
projects / linux-2.6-microblaze.git / commitdiff