create mode 100644 drivers/usb/host/ehci-bcm63xx.c
create mode 100644 include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
---- a/arch/mips/bcm63xx/Kconfig
-+++ b/arch/mips/bcm63xx/Kconfig
-@@ -14,4 +14,6 @@ config BCM63XX_CPU_6358
- select USB_ARCH_HAS_OHCI
- select USB_OHCI_BIG_ENDIAN_DESC
- select USB_OHCI_BIG_ENDIAN_MMIO
-+ select USB_ARCH_HAS_EHCI
-+ select USB_EHCI_BIG_ENDIAN_MMIO
- endmenu
---- a/arch/mips/bcm63xx/Makefile
-+++ b/arch/mips/bcm63xx/Makefile
-@@ -2,4 +2,5 @@ obj-y += clk.o cpu.o cs.o gpio.o irq.o
- obj-y += dev-uart.o
- obj-y += dev-pcmcia.o
- obj-y += dev-usb-ohci.o
-+obj-y += dev-usb-ehci.o
- obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
---- /dev/null
-+++ b/arch/mips/bcm63xx/dev-usb-ehci.c
-@@ -0,0 +1,50 @@
-+/*
-+ * 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/kernel.h>
-+#include <linux/platform_device.h>
-+#include <bcm63xx_cpu.h>
-+#include <bcm63xx_dev_usb_ehci.h>
-+
-+static struct resource ehci_resources[] = {
-+ {
-+ .start = -1, /* filled at runtime */
-+ .end = -1, /* filled at runtime */
-+ .flags = IORESOURCE_MEM,
-+ },
-+ {
-+ .start = -1, /* filled at runtime */
-+ .flags = IORESOURCE_IRQ,
-+ },
-+};
-+
-+static u64 ehci_dmamask = ~(u32)0;
-+
-+static struct platform_device bcm63xx_ehci_device = {
-+ .name = "bcm63xx_ehci",
-+ .id = 0,
-+ .num_resources = ARRAY_SIZE(ehci_resources),
-+ .resource = ehci_resources,
-+ .dev = {
-+ .dma_mask = &ehci_dmamask,
-+ .coherent_dma_mask = 0xffffffff,
-+ },
-+};
-+
-+int __init bcm63xx_ehci_register(void)
-+{
-+ if (!BCMCPU_IS_6358())
-+ return 0;
-+
-+ ehci_resources[0].start = bcm63xx_regset_address(RSET_EHCI0);
-+ ehci_resources[0].end = ehci_resources[0].start;
-+ ehci_resources[0].end += RSET_EHCI_SIZE - 1;
-+ ehci_resources[1].start = bcm63xx_get_irq_number(IRQ_EHCI0);
-+ return platform_device_register(&bcm63xx_ehci_device);
-+}
---- /dev/null
-+++ b/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");
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
-@@ -1040,6 +1040,11 @@ MODULE_LICENSE ("GPL");
+@@ -1041,6 +1041,11 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER ixp4xx_ehci_driver
#endif
#error "missing bus glue for ehci-hcd"
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
-@@ -755,6 +755,11 @@ ehci_port_speed(struct ehci_hcd *ehci, u
+@@ -764,6 +764,11 @@ ehci_port_speed(struct ehci_hcd *ehci, u
#define writel_be(val, addr) __raw_writel(val, (__force unsigned *)addr)
#endif
static inline unsigned int ehci_readl(const struct ehci_hcd *ehci,
__u32 __iomem * regs)
{
---- /dev/null
-+++ b/include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ehci.h
-@@ -0,0 +1,6 @@
-+#ifndef BCM63XX_DEV_USB_EHCI_H_
-+#define BCM63XX_DEV_USB_EHCI_H_
-+
-+int bcm63xx_ehci_register(void);
-+
-+#endif /* BCM63XX_DEV_USB_EHCI_H_ */
+--- a/drivers/usb/host/Kconfig
++++ b/drivers/usb/host/Kconfig
+@@ -44,7 +44,7 @@ config USB_EHCI_HCD
+
+ config USB_EHCI_ROOT_HUB_TT
+ bool "Root Hub Transaction Translators"
+- depends on USB_EHCI_HCD
++ depends on USB_EHCI_HCD && !BCM63XX
+ ---help---
+ Some EHCI chips have vendor-specific extensions to integrate
+ transaction translators, so that no OHCI or UHCI companion
projects / openwrt.git / blobdiff