diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-2.6.37/010-add_bcm63xx_ohci_controller.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-2.6.37/010-add_bcm63xx_ohci_controller.patch | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/target/linux/brcm63xx/patches-2.6.37/010-add_bcm63xx_ohci_controller.patch b/target/linux/brcm63xx/patches-2.6.37/010-add_bcm63xx_ohci_controller.patch deleted file mode 100644 index a7a66ecd5d..0000000000 --- a/target/linux/brcm63xx/patches-2.6.37/010-add_bcm63xx_ohci_controller.patch +++ /dev/null @@ -1,202 +0,0 @@ -Signed-off-by: Maxime Bizon <mbizon@freebox.fr> ---- - drivers/usb/host/ohci-bcm63xx.c | 166 +++++++++++++++++++++++++++++++++++++++ - drivers/usb/host/ohci-hcd.c | 5 + - drivers/usb/host/ohci.h | 2 +- - 3 files changed, 172 insertions(+), 1 deletions(-) - create mode 100644 drivers/usb/host/ohci-bcm63xx.c - ---- /dev/null -+++ b/drivers/usb/host/ohci-bcm63xx.c -@@ -0,0 +1,166 @@ -+/* -+ * This file is subject to the terms and conditions of the GNU General Public -+ * License. See the file "COPYING" in the main directory of this archive -+ * for more details. -+ * -+ * Copyright (C) 2010 Maxime Bizon <mbizon@freebox.fr> -+ */ -+ -+#include <linux/init.h> -+#include <linux/clk.h> -+#include <linux/platform_device.h> -+#include <bcm63xx_cpu.h> -+#include <bcm63xx_regs.h> -+#include <bcm63xx_io.h> -+ -+static struct clk *usb_host_clock; -+ -+static int __devinit ohci_bcm63xx_start(struct usb_hcd *hcd) -+{ -+ struct ohci_hcd *ohci = hcd_to_ohci(hcd); -+ int ret; -+ -+ /* -+ * port 2 can be shared with USB slave, but all boards seem to -+ * have only one host port populated, so we can hardcode it -+ */ -+ ohci->num_ports = 1; -+ -+ ret = ohci_init(ohci); -+ if (ret < 0) -+ return ret; -+ -+ ret = ohci_run(ohci); -+ if (ret < 0) { -+ err("can't start %s", hcd->self.bus_name); -+ ohci_stop(hcd); -+ return ret; -+ } -+ return 0; -+} -+ -+static const struct hc_driver ohci_bcm63xx_hc_driver = { -+ .description = hcd_name, -+ .product_desc = "BCM63XX integrated OHCI controller", -+ .hcd_priv_size = sizeof(struct ohci_hcd), -+ -+ .irq = ohci_irq, -+ .flags = HCD_USB11 | HCD_MEMORY, -+ .start = ohci_bcm63xx_start, -+ .stop = ohci_stop, -+ .shutdown = ohci_shutdown, -+ .urb_enqueue = ohci_urb_enqueue, -+ .urb_dequeue = ohci_urb_dequeue, -+ .endpoint_disable = ohci_endpoint_disable, -+ .get_frame_number = ohci_get_frame, -+ .hub_status_data = ohci_hub_status_data, -+ .hub_control = ohci_hub_control, -+ .start_port_reset = ohci_start_port_reset, -+}; -+ -+static int __devinit ohci_hcd_bcm63xx_drv_probe(struct platform_device *pdev) -+{ -+ struct resource *res_mem; -+ struct usb_hcd *hcd; -+ struct ohci_hcd *ohci; -+ u32 reg; -+ int ret, irq; -+ -+ res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ irq = platform_get_irq(pdev, 0); -+ if (!res_mem || irq < 0) -+ return -ENODEV; -+ -+ if (BCMCPU_IS_6348()) { -+ struct clk *clk; -+ /* enable USB host clock */ -+ clk = clk_get(&pdev->dev, "usbh"); -+ if (IS_ERR(clk)) -+ return -ENODEV; -+ -+ clk_enable(clk); -+ usb_host_clock = clk; -+ bcm_rset_writel(RSET_OHCI_PRIV, 0, OHCI_PRIV_REG); -+ -+ } else if (BCMCPU_IS_6358()) { -+ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_REG); -+ reg &= ~USBH_PRIV_SWAP_OHCI_ENDN_MASK; -+ reg |= USBH_PRIV_SWAP_OHCI_DATA_MASK; -+ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_REG); -+ /* -+ * The magic value comes for the original vendor BSP -+ * and is needed for USB to work. Datasheet does not -+ * help, so the magic value is used as-is. -+ */ -+ bcm_rset_writel(RSET_USBH_PRIV, 0x1c0020, USBH_PRIV_TEST_REG); -+ } else -+ return 0; -+ -+ hcd = usb_create_hcd(&ohci_bcm63xx_hc_driver, &pdev->dev, "bcm63xx"); -+ if (!hcd) -+ return -ENOMEM; -+ hcd->rsrc_start = res_mem->start; -+ hcd->rsrc_len = res_mem->end - res_mem->start + 1; -+ -+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { -+ pr_debug("request_mem_region failed\n"); -+ ret = -EBUSY; -+ goto out; -+ } -+ -+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); -+ if (!hcd->regs) { -+ pr_debug("ioremap failed\n"); -+ ret = -EIO; -+ goto out1; -+ } -+ -+ ohci = hcd_to_ohci(hcd); -+ ohci->flags |= OHCI_QUIRK_BE_MMIO | OHCI_QUIRK_BE_DESC | -+ OHCI_QUIRK_FRAME_NO; -+ ohci_hcd_init(ohci); -+ -+ ret = usb_add_hcd(hcd, irq, IRQF_DISABLED); -+ if (ret) -+ goto out2; -+ -+ platform_set_drvdata(pdev, hcd); -+ return 0; -+ -+out2: -+ iounmap(hcd->regs); -+out1: -+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -+out: -+ usb_put_hcd(hcd); -+ return ret; -+} -+ -+static int __devexit ohci_hcd_bcm63xx_drv_remove(struct platform_device *pdev) -+{ -+ struct usb_hcd *hcd; -+ -+ hcd = platform_get_drvdata(pdev); -+ usb_remove_hcd(hcd); -+ iounmap(hcd->regs); -+ usb_put_hcd(hcd); -+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -+ if (usb_host_clock) { -+ clk_disable(usb_host_clock); -+ clk_put(usb_host_clock); -+ } -+ platform_set_drvdata(pdev, NULL); -+ return 0; -+} -+ -+static struct platform_driver ohci_hcd_bcm63xx_driver = { -+ .probe = ohci_hcd_bcm63xx_drv_probe, -+ .remove = __devexit_p(ohci_hcd_bcm63xx_drv_remove), -+ .shutdown = usb_hcd_platform_shutdown, -+ .driver = { -+ .name = "bcm63xx_ohci", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+MODULE_ALIAS("platform:bcm63xx_ohci"); ---- a/drivers/usb/host/ohci-hcd.c -+++ b/drivers/usb/host/ohci-hcd.c -@@ -1067,6 +1067,11 @@ MODULE_LICENSE ("GPL"); - #define PLATFORM_DRIVER ohci_hcd_da8xx_driver - #endif - -+#ifdef CONFIG_BCM63XX -+#include "ohci-bcm63xx.c" -+#define PLATFORM_DRIVER ohci_hcd_bcm63xx_driver -+#endif -+ - #if defined(CONFIG_CPU_SUBTYPE_SH7720) || \ - defined(CONFIG_CPU_SUBTYPE_SH7721) || \ - defined(CONFIG_CPU_SUBTYPE_SH7763) || \ ---- a/drivers/usb/host/ohci.h -+++ b/drivers/usb/host/ohci.h -@@ -656,7 +656,7 @@ static inline u32 hc32_to_cpup (const st - * some big-endian SOC implementations. Same thing happens with PSW access. - */ - --#ifdef CONFIG_PPC_MPC52xx -+#if defined(CONFIG_PPC_MPC52xx) || defined(CONFIG_BCM63XX) - #define big_endian_frame_no_quirk(ohci) (ohci->flags & OHCI_QUIRK_FRAME_NO) - #else - #define big_endian_frame_no_quirk(ohci) 0 |