diff options
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.patch | 256 |
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 55b3af385..000000000 --- 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. - |