create mode 100644 drivers/usb/host/ohci-bcm63xx.c
create mode 100644 include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ohci.h
---- a/arch/mips/bcm63xx/Kconfig
-+++ b/arch/mips/bcm63xx/Kconfig
-@@ -4,8 +4,14 @@ menu "CPU support"
- config BCM63XX_CPU_6348
- bool "support 6348 CPU"
- select HW_HAS_PCI
-+ select USB_ARCH_HAS_OHCI
-+ select USB_OHCI_BIG_ENDIAN_DESC
-+ select USB_OHCI_BIG_ENDIAN_MMIO
-
- config BCM63XX_CPU_6358
- bool "support 6358 CPU"
- select HW_HAS_PCI
-+ select USB_ARCH_HAS_OHCI
-+ select USB_OHCI_BIG_ENDIAN_DESC
-+ select USB_OHCI_BIG_ENDIAN_MMIO
- endmenu
---- a/arch/mips/bcm63xx/Makefile
-+++ b/arch/mips/bcm63xx/Makefile
-@@ -1,4 +1,5 @@
- obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o
- obj-y += dev-uart.o
- obj-y += dev-pcmcia.o
-+obj-y += dev-usb-ohci.o
- obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
---- /dev/null
-+++ b/arch/mips/bcm63xx/dev-usb-ohci.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_ohci.h>
-+
-+static struct resource ohci_resources[] = {
-+ {
-+ .start = -1, /* filled at runtime */
-+ .end = -1, /* filled at runtime */
-+ .flags = IORESOURCE_MEM,
-+ },
-+ {
-+ .start = -1, /* filled at runtime */
-+ .flags = IORESOURCE_IRQ,
-+ },
-+};
-+
-+static u64 ohci_dmamask = ~(u32)0;
-+
-+static struct platform_device bcm63xx_ohci_device = {
-+ .name = "bcm63xx_ohci",
-+ .id = 0,
-+ .num_resources = ARRAY_SIZE(ohci_resources),
-+ .resource = ohci_resources,
-+ .dev = {
-+ .dma_mask = &ohci_dmamask,
-+ .coherent_dma_mask = 0xffffffff,
-+ },
-+};
-+
-+int __init bcm63xx_ohci_register(void)
-+{
-+ if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358())
-+ return 0;
-+
-+ ohci_resources[0].start = bcm63xx_regset_address(RSET_OHCI0);
-+ ohci_resources[0].end = ohci_resources[0].start;
-+ ohci_resources[0].end += RSET_OHCI_SIZE - 1;
-+ ohci_resources[1].start = bcm63xx_get_irq_number(IRQ_OHCI0);
-+ return platform_device_register(&bcm63xx_ohci_device);
-+}
---- /dev/null
-+++ b/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");
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1050,6 +1050,11 @@ MODULE_LICENSE ("GPL");
#define big_endian_frame_no_quirk(ohci) (ohci->flags & OHCI_QUIRK_FRAME_NO)
#else
#define big_endian_frame_no_quirk(ohci) 0
---- /dev/null
-+++ b/include/asm-mips/mach-bcm63xx/bcm63xx_dev_usb_ohci.h
-@@ -0,0 +1,6 @@
-+#ifndef BCM63XX_DEV_USB_OHCI_H_
-+#define BCM63XX_DEV_USB_OHCI_H_
-+
-+int bcm63xx_ohci_register(void);
-+
-+#endif /* BCM63XX_DEV_USB_OHCI_H_ */
projects / openwrt.git / blobdiff