diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.6/402-ehci-add-driver-for-bcm63xx-integrated-controller.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.6/402-ehci-add-driver-for-bcm63xx-integrated-controller.patch | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/target/linux/brcm63xx/patches-3.6/402-ehci-add-driver-for-bcm63xx-integrated-controller.patch b/target/linux/brcm63xx/patches-3.6/402-ehci-add-driver-for-bcm63xx-integrated-controller.patch deleted file mode 100644 index 207e9813a..000000000 --- a/target/linux/brcm63xx/patches-3.6/402-ehci-add-driver-for-bcm63xx-integrated-controller.patch +++ /dev/null @@ -1,242 +0,0 @@ -From db58271d5152aa1d3894fdef13ca04379139d5d9 Mon Sep 17 00:00:00 2001 -From: Maxime Bizon <mbizon@freebox.fr> -Date: Fri, 10 Jun 2011 19:15:47 +0200 -Subject: [PATCH 25/63] ehci: add driver for bcm63xx integrated controller. - ---- - drivers/usb/host/Kconfig | 10 ++- - drivers/usb/host/ehci-bcm63xx.c | 186 +++++++++++++++++++++++++++++++++++++++ - drivers/usb/host/ehci-hcd.c | 5 + - 3 files changed, 199 insertions(+), 1 deletions(-) - create mode 100644 drivers/usb/host/ehci-bcm63xx.c - ---- a/drivers/usb/host/Kconfig -+++ b/drivers/usb/host/Kconfig -@@ -110,7 +110,8 @@ config USB_EHCI_BIG_ENDIAN_MMIO - depends on USB_EHCI_HCD && (PPC_CELLEB || PPC_PS3 || 440EPX || \ - ARCH_IXP4XX || XPS_USB_HCD_XILINX || \ - PPC_MPC512x || CPU_CAVIUM_OCTEON || \ -- PMC_MSP || SPARC_LEON || MIPS_SEAD3) -+ PMC_MSP || SPARC_LEON || MIPS_SEAD3 || \ -+ BCM63XX) - default y - - config USB_EHCI_BIG_ENDIAN_DESC -@@ -134,6 +135,14 @@ config XPS_USB_HCD_XILINX - config USB_FSL_MPH_DR_OF - tristate - -+config USB_EHCI_BCM63XX -+ bool "Support for Broadcom 63xx on-chip EHCI USB controller" -+ depends on USB_EHCI_HCD && BCM63XX -+ select USB_EHCI_BIG_ENDIAN_MMIO -+ ---help--- -+ Enables support for the on-chip EHCI controller on -+ BCM6358 and later chips. -+ - config USB_EHCI_FSL - bool "Support for Freescale PPC on-chip EHCI USB controller" - depends on USB_EHCI_HCD && FSL_SOC ---- /dev/null -+++ b/drivers/usb/host/ehci-bcm63xx.c -@@ -0,0 +1,186 @@ -+/* -+ * 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) 2008 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 ehci_bcm63xx_setup(struct usb_hcd *hcd) -+{ -+ struct ehci_hcd *ehci = hcd_to_ehci(hcd); -+ int retval; -+ -+ retval = ehci_halt(ehci); -+ if (retval) -+ return retval; -+ -+ retval = ehci_init(hcd); -+ if (retval) -+ return retval; -+ -+ ehci_reset(ehci); -+ ehci_port_power(ehci, 0); -+ -+ return retval; -+} -+ -+ -+static const struct hc_driver ehci_bcm63xx_hc_driver = { -+ .description = hcd_name, -+ .product_desc = "BCM63XX integrated EHCI controller", -+ .hcd_priv_size = sizeof(struct ehci_hcd), -+ -+ .irq = ehci_irq, -+ .flags = HCD_MEMORY | HCD_USB2, -+ -+ .reset = ehci_bcm63xx_setup, -+ .start = ehci_run, -+ .stop = ehci_stop, -+ .shutdown = ehci_shutdown, -+ -+ .urb_enqueue = ehci_urb_enqueue, -+ .urb_dequeue = ehci_urb_dequeue, -+ .endpoint_disable = ehci_endpoint_disable, -+ -+ .get_frame_number = ehci_get_frame, -+ -+ .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, -+}; -+ -+static int __devinit ehci_hcd_bcm63xx_drv_probe(struct platform_device *pdev) -+{ -+ struct resource *res_mem; -+ struct usb_hcd *hcd; -+ struct ehci_hcd *ehci; -+ struct clk *clk; -+ 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; -+ -+ /* enable USB host clock */ -+ clk = clk_get(&pdev->dev, "usbh"); -+ if (IS_ERR(clk)) -+ return -ENODEV; -+ -+ clk_enable(clk); -+ usb_host_clock = clk; -+ msleep(100); -+ -+ if (BCMCPU_IS_6358()) { -+ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_6358_REG); -+ reg &= ~USBH_PRIV_SWAP_EHCI_DATA_MASK; -+ reg |= USBH_PRIV_SWAP_EHCI_ENDN_MASK; -+ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_6358_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_6358_REG); -+ -+ } else if (BCMCPU_IS_6368()) { -+ -+ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_6368_REG); -+ reg &= ~USBH_PRIV_SWAP_EHCI_DATA_MASK; -+ reg |= USBH_PRIV_SWAP_EHCI_ENDN_MASK; -+ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SWAP_6368_REG); -+ -+ reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SETUP_6368_REG); -+ reg |= USBH_PRIV_SETUP_IOC_MASK; -+ bcm_rset_writel(RSET_USBH_PRIV, reg, USBH_PRIV_SETUP_6368_REG); -+ } -+ -+ hcd = usb_create_hcd(&ehci_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; -+ } -+ -+ ehci = hcd_to_ehci(hcd); -+ ehci->big_endian_mmio = 1; -+ ehci->big_endian_desc = 0; -+ ehci->caps = hcd->regs; -+ ehci->regs = hcd->regs + -+ HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); -+ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); -+ ehci->sbrn = 0x20; -+ ehci->ignore_oc = 1; -+ -+ 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 ehci_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 ehci_hcd_bcm63xx_driver = { -+ .probe = ehci_hcd_bcm63xx_drv_probe, -+ .remove = __devexit_p(ehci_hcd_bcm63xx_drv_remove), -+ .shutdown = usb_hcd_platform_shutdown, -+ .driver = { -+ .name = "bcm63xx_ehci", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+MODULE_ALIAS("platform:bcm63xx_ehci"); ---- a/drivers/usb/host/ehci-hcd.c -+++ b/drivers/usb/host/ehci-hcd.c -@@ -1339,6 +1339,11 @@ MODULE_LICENSE ("GPL"); - #define EHCI_PLATFORM_DRIVER ehci_platform_driver - #endif - -+#ifdef CONFIG_USB_EHCI_BCM63XX -+#include "ehci-bcm63xx.c" -+#define PLATFORM_DRIVER ehci_hcd_bcm63xx_driver -+#endif -+ - #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ - !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ - !defined(XILINX_OF_PLATFORM_DRIVER) && !defined(EHCI_PLATFORM_DRIVER) |