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path: root/target/linux/cns21xx/patches-3.6/104-cns21xx-usb-ehci-support.patch
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Diffstat (limited to 'target/linux/cns21xx/patches-3.6/104-cns21xx-usb-ehci-support.patch')
-rw-r--r--target/linux/cns21xx/patches-3.6/104-cns21xx-usb-ehci-support.patch256
1 files changed, 0 insertions, 256 deletions
diff --git a/target/linux/cns21xx/patches-3.6/104-cns21xx-usb-ehci-support.patch b/target/linux/cns21xx/patches-3.6/104-cns21xx-usb-ehci-support.patch
deleted file mode 100644
index 55b3af3858..0000000000
--- a/target/linux/cns21xx/patches-3.6/104-cns21xx-usb-ehci-support.patch
+++ /dev/null
@@ -1,256 +0,0 @@
---- /dev/null
-+++ b/drivers/usb/host/ehci-cns21xx.c
-@@ -0,0 +1,186 @@
-+/*
-+ * Copyright (c) 2008 Cavium Networks
-+ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
-+ *
-+ * 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/irq.h>
-+
-+#include <mach/cns21xx.h>
-+
-+#define DRIVER_NAME "cns21xx-ehci"
-+
-+static int cns21xx_ehci_reset(struct usb_hcd *hcd)
-+{
-+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-+ int ret;
-+
-+ ret = ehci_halt(ehci);
-+ if (ret)
-+ return ret;
-+
-+ ret = ehci_init(hcd);
-+ if (ret)
-+ return ret;
-+
-+ ehci_reset(ehci);
-+ ehci_port_power(ehci, 0);
-+
-+ return 0;
-+}
-+
-+static const struct hc_driver ehci_cns21xx_hc_driver = {
-+ .description = hcd_name,
-+ .product_desc = DRIVER_NAME,
-+ .hcd_priv_size = sizeof(struct ehci_hcd),
-+
-+ /*
-+ * generic hardware linkage
-+ */
-+ .irq = ehci_irq,
-+ .flags = HCD_MEMORY | HCD_USB2,
-+
-+ /*
-+ * basic lifecycle operations
-+ */
-+ .reset = cns21xx_ehci_reset,
-+ .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,
-+ .relinquish_port = ehci_relinquish_port,
-+ .port_handed_over = ehci_port_handed_over,
-+
-+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-+};
-+
-+static void cns21xx_ehci_init_hc(void)
-+{
-+ __raw_writel(0x106, CNS21XX_EHCI_CONFIG_BASE_VIRT + 0x04);
-+ __raw_writel((3 << 5) | 0x2000, CNS21XX_EHCI_CONFIG_BASE_VIRT + 0x40);
-+ msleep(100);
-+}
-+
-+static int ehci_cns21xx_probe(struct platform_device *pdev)
-+{
-+ struct usb_hcd *hcd;
-+ struct ehci_hcd *ehci;
-+ 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 for %s\n",
-+ dev_name(&pdev->dev));
-+ return -ENODEV;
-+ }
-+ irq = res->start;
-+
-+ hcd = usb_create_hcd(&ehci_cns21xx_hc_driver, &pdev->dev,
-+ dev_name(&pdev->dev));
-+ if (!hcd)
-+ return -ENOMEM;
-+
-+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!res) {
-+ dev_dbg(&pdev->dev, "no base address specified for %s\n",
-+ dev_name(&pdev->dev));
-+ ret = -ENODEV;
-+ goto err_put_hcd;
-+ }
-+ hcd->rsrc_start = res->start;
-+ hcd->rsrc_len = res->end - res->start + 1;
-+
-+ 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;
-+ }
-+
-+ cns21xx_ehci_init_hc();
-+
-+ ehci = hcd_to_ehci(hcd);
-+
-+ ehci->caps = hcd->regs;
-+ ehci->regs = hcd->regs +
-+ HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
-+ dbg_hcs_params(ehci, "reset");
-+ dbg_hcc_params(ehci, "reset");
-+
-+ /* cache this readonly data; minimize chip reads */
-+ ehci->hcs_params = readl(&ehci->caps->hcs_params);
-+ ehci->sbrn = 0x20;
-+
-+ ret = usb_add_hcd(hcd, CNS21XX_IRQ_EHCI, IRQF_DISABLED);
-+ if (ret)
-+ goto err_unmap;
-+
-+ platform_set_drvdata(pdev, hcd);
-+ return 0;
-+
-+err_unmap:
-+ 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_cns21xx_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);
-+ platform_set_drvdata(pdev, NULL);
-+
-+ return 0;
-+}
-+
-+static struct platform_driver ehci_cns21xx_driver = {
-+ .probe = ehci_cns21xx_probe,
-+ .remove = ehci_cns21xx_remove,
-+ .shutdown = usb_hcd_platform_shutdown,
-+ .driver = {
-+ .owner = THIS_MODULE,
-+ .name = DRIVER_NAME,
-+ },
-+};
-+
-+MODULE_ALIAS("platform:" DRIVER_NAME);
---- a/drivers/usb/host/ehci-hcd.c
-+++ b/drivers/usb/host/ehci-hcd.c
-@@ -1334,14 +1334,19 @@ MODULE_LICENSE ("GPL");
- #define PLATFORM_DRIVER ehci_hcd_sead3_driver
- #endif
-
-+#ifdef CONFIG_ARCH_CNS21XX
-+#include "ehci-cns21xx.c"
-+#define PLATFORM_DRIVER ehci_cns21xx_driver
-+#endif
-+
- #ifdef CONFIG_USB_EHCI_HCD_PLATFORM
- #include "ehci-platform.c"
--#define PLATFORM_DRIVER ehci_platform_driver
-+#define EHCI_PLATFORM_DRIVER ehci_platform_driver
- #endif
-
- #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
- !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \
-- !defined(XILINX_OF_PLATFORM_DRIVER)
-+ !defined(XILINX_OF_PLATFORM_DRIVER) && !defined(EHCI_PLATFORM_DRIVER)
- #error "missing bus glue for ehci-hcd"
- #endif
-
-@@ -1401,10 +1406,21 @@ static int __init ehci_hcd_init(void)
- if (retval < 0)
- goto clean4;
- #endif
-+
-+#ifdef EHCI_PLATFORM_DRIVER
-+ retval = platform_driver_register(&EHCI_PLATFORM_DRIVER);
-+ if (retval < 0)
-+ goto clean5;
-+#endif
-+
- return retval;
-
-+#ifdef EHCI_PLATFORM_DRIVER
-+ platform_driver_unregister(&EHCI_PLATFORM_DRIVER);
-+clean5:
-+#endif
- #ifdef XILINX_OF_PLATFORM_DRIVER
-- /* platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER); */
-+ platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER);
- clean4:
- #endif
- #ifdef OF_PLATFORM_DRIVER
-@@ -1435,6 +1451,9 @@ module_init(ehci_hcd_init);
-
- static void __exit ehci_hcd_cleanup(void)
- {
-+#ifdef EHCI_PLATFORM_DRIVER
-+ platform_driver_unregister(&EHCI_PLATFORM_DRIVER);
-+#endif
- #ifdef XILINX_OF_PLATFORM_DRIVER
- platform_driver_unregister(&XILINX_OF_PLATFORM_DRIVER);
- #endif
---- a/arch/arm/Kconfig
-+++ b/arch/arm/Kconfig
-@@ -394,6 +394,7 @@ config ARCH_CNS21XX
- select ARCH_REQUIRE_GPIOLIB
- select ARM_L1_CACHE_SHIFT_4
- select USB_ARCH_HAS_OHCI
-+ select USB_ARCH_HAS_EHCI
- help
- Support for Cavium Networks CNS21xx family.
-
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-24 18:28:41 +0000