diff options
Diffstat (limited to 'target/linux/cns21xx/patches-3.8/103-cns21xx-usb-ohci-support.patch')
| -rw-r--r-- | target/linux/cns21xx/patches-3.8/103-cns21xx-usb-ohci-support.patch | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/target/linux/cns21xx/patches-3.8/103-cns21xx-usb-ohci-support.patch b/target/linux/cns21xx/patches-3.8/103-cns21xx-usb-ohci-support.patch deleted file mode 100644 index ea2a2aab9c..0000000000 --- a/target/linux/cns21xx/patches-3.8/103-cns21xx-usb-ohci-support.patch +++ /dev/null @@ -1,225 +0,0 @@ ---- a/drivers/usb/host/ohci-hcd.c -+++ b/drivers/usb/host/ohci-hcd.c -@@ -691,6 +691,9 @@ retry: - - periodic_reinit (ohci); - -+ if (ohci->flags & OHCI_QUIRK_INIT_FMINTERVAL) -+ ohci_writel (ohci, ohci->fminterval, &ohci->regs->fminterval); -+ - /* some OHCI implementations are finicky about how they init. - * bogus values here mean not even enumeration could work. - */ -@@ -1186,6 +1189,11 @@ MODULE_LICENSE ("GPL"); - #define PLATFORM_DRIVER ohci_hcd_tilegx_driver - #endif - -+#ifdef CONFIG_ARCH_CNS21XX -+#include "ohci-cns21xx.c" -+#define PLATFORM_DRIVER ohci_cns21xx_driver -+#endif -+ - #ifdef CONFIG_USB_OHCI_HCD_PLATFORM - #include "ohci-platform.c" - #define OHCI_PLATFORM_DRIVER ohci_platform_driver ---- /dev/null -+++ b/drivers/usb/host/ohci-cns21xx.c -@@ -0,0 +1,178 @@ -+/* -+ * 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 <mach/cns21xx.h> -+ -+#define DRIVER_NAME "cns21xx-ohci" -+ -+static int cns21xx_ohci_start(struct usb_hcd *hcd) -+{ -+ struct ohci_hcd *ohci = hcd_to_ohci(hcd); -+ int ret; -+ -+ ret = ohci_init(ohci); -+ if (ret) -+ return ret; -+ -+ ret = ohci_run(ohci); -+ if (ret) { -+ ohci_err(ohci, "can't start %s", -+ ohci_to_hcd(ohci)->self.bus_name); -+ goto err; -+ } -+ -+ return 0; -+ -+err: -+ ohci_stop(hcd); -+ return ret; -+} -+ -+static const struct hc_driver ohci_cns21xx_hc_driver = { -+ .description = hcd_name, -+ .product_desc = "cns21xx-ohci", -+ .hcd_priv_size = sizeof(struct ohci_hcd), -+ -+ /* -+ * generic hardware linkage -+ */ -+ .irq = ohci_irq, -+ .flags = HCD_USB11 | HCD_MEMORY, -+ -+ /* -+ * basic lifecycle operations -+ */ -+ .start = cns21xx_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 void cns21xx_ohci_init_hc(void) -+{ -+ void __iomem *base = (void __iomem *) CNS21XX_OHCI_CONFIG_BASE_VIRT; -+ -+ __raw_writel(0x146, base + 0x04); -+ __raw_writel(0x200, base + 0x44); -+ msleep(100); -+} -+ -+static int ohci_cns21xx_probe(struct platform_device *pdev) -+{ -+ struct usb_hcd *hcd; -+ struct resource *res; -+ struct ohci_hcd *ohci; -+ 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(&ohci_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_ohci_init_hc(); -+ -+ ohci = hcd_to_ohci(hcd); -+ ohci->flags |= OHCI_QUIRK_INIT_FMINTERVAL; -+ ohci_hcd_init(ohci); -+ -+ ret = usb_add_hcd(hcd, irq, 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 ohci_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 ohci_cns21xx_driver = { -+ .probe = ohci_cns21xx_probe, -+ .remove = ohci_cns21xx_remove, -+ .shutdown = usb_hcd_platform_shutdown, -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = DRIVER_NAME, -+ }, -+}; -+ -+MODULE_ALIAS("platform:" DRIVER_NAME); ---- a/drivers/usb/host/ohci.h -+++ b/drivers/usb/host/ohci.h -@@ -405,6 +405,7 @@ struct ohci_hcd { - #define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */ - #define OHCI_QUIRK_AMD_PLL 0x200 /* AMD PLL quirk*/ - #define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */ -+#define OHCI_QUIRK_INIT_FMINTERVAL 0x1000 /* fminterval must be initialized */ - // there are also chip quirks/bugs in init logic - - struct work_struct nec_work; /* Worker for NEC quirk */ ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -381,6 +381,7 @@ config ARCH_CNS21XX - select PLAT_FA_GPIO - select ARCH_REQUIRE_GPIOLIB - select ARM_L1_CACHE_SHIFT_4 -+ select USB_ARCH_HAS_OHCI - help - Support for Cavium Networks CNS21xx family. - |