bcm63xx: add support for linux 3.1-rc1

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27941 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 178 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.1/011-add_bcm63xx_ehci_controller.patch b/target/linux/brcm63xx/patches-3.1/011-add_bcm63xx_ehci_controller.patch
new file mode 100644
index 0000000000..397562cacc
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.1/011-add_bcm63xx_ehci_controller.patch
@@ -0,0 +1,178 @@
+Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
+---
+ drivers/usb/host/ehci-bcm63xx.c |  154 +++++++++++++++++++++++++++++++++++++++
+ drivers/usb/host/ehci-hcd.c     |    5 +
+ 2 files changed, 159 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/usb/host/ehci-bcm63xx.c
+
+--- /dev/null
++++ b/drivers/usb/host/ehci-bcm63xx.c
+@@ -0,0 +1,154 @@
++/*
++ * 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/platform_device.h>
++#include <bcm63xx_cpu.h>
++#include <bcm63xx_regs.h>
++#include <bcm63xx_io.h>
++
++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;
++	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;
++
++	reg = bcm_rset_readl(RSET_USBH_PRIV, USBH_PRIV_SWAP_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_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);
++
++	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;
++
++	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);
++	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
+@@ -1291,6 +1291,11 @@ MODULE_LICENSE ("GPL");
+ #define PLATFORM_DRIVER		ehci_grlib_driver
+ #endif
+ 
++#ifdef CONFIG_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)