[brcm63xx] move files to files-2.6.30, to ease newer kernel integration

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19471 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 311 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/files-2.6.30/drivers/usb/host/ehci-bcm63xx.c b/target/linux/brcm63xx/files-2.6.30/drivers/usb/host/ehci-bcm63xx.c
new file mode 100644
index 000000000..2fef5716e
--- /dev/null
+++ b/target/linux/brcm63xx/files-2.6.30/drivers/usb/host/ehci-bcm63xx.c
@@ -0,0 +1,152 @@
+/*
+ * 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;
+
+	hcd->has_tt = 1;
+	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, *res_irq;
+	struct usb_hcd *hcd;
+	struct ehci_hcd *ehci;
+	u32 reg;
+	int ret;
+
+	res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res_mem || !res_irq)
+		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);
+
+	/* don't ask... */
+	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_readl(ehci, &ehci->caps->hc_capbase));
+	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+	ehci->sbrn = 0x20;
+
+	ret = usb_add_hcd(hcd, res_irq->start, 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,
+		.bus	= &platform_bus_type
+	},
+};
+
+MODULE_ALIAS("platform:bcm63xx_ehci");
diff --git a/target/linux/brcm63xx/files-2.6.30/drivers/usb/host/ohci-bcm63xx.c b/target/linux/brcm63xx/files-2.6.30/drivers/usb/host/ohci-bcm63xx.c
new file mode 100644
index 000000000..08807d989
--- /dev/null
+++ b/target/linux/brcm63xx/files-2.6.30/drivers/usb/host/ohci-bcm63xx.c
@@ -0,0 +1,159 @@
+/*
+ * 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 __devinit ohci_bcm63xx_start(struct usb_hcd *hcd)
+{
+	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+	int ret;
+
+	ret = ohci_init(ohci);
+	if (ret < 0)
+		return ret;
+
+	/* FIXME: autodetected port 2 is shared with USB slave */
+
+	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, *res_irq;
+	struct usb_hcd *hcd;
+	struct ohci_hcd *ohci;
+	u32 reg;
+	int ret;
+
+	res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!res_mem || !res_irq)
+		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);
+		/* don't ask... */
+		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, res_irq->start, 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,
+		.bus	= &platform_bus_type
+	},
+};
+
+MODULE_ALIAS("platform:bcm63xx_ohci");