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OpenCloudOS-Kernel/arch/arm/mach-omap2/usb-ehci.c

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/*
* linux/arch/arm/mach-omap2/usb-ehci.c
*
* This file will contain the board specific details for the
* Synopsys EHCI host controller on OMAP3430
*
* Copyright (C) 2007 Texas Instruments
* Author: Vikram Pandita <vikram.pandita@ti.com>
*
* Generalization by:
* Felipe Balbi <felipe.balbi@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <asm/io.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <plat/usb.h>
#include "mux.h"
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
static struct resource ehci_resources[] = {
{
.flags = IORESOURCE_MEM,
},
{
.flags = IORESOURCE_MEM,
},
{
.flags = IORESOURCE_MEM,
},
{ /* general IRQ */
.flags = IORESOURCE_IRQ,
}
};
static u64 ehci_dmamask = ~(u32)0;
static struct platform_device ehci_device = {
.name = "ehci-omap",
.id = 0,
.dev = {
.dma_mask = &ehci_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = NULL,
},
.num_resources = ARRAY_SIZE(ehci_resources),
.resource = ehci_resources,
};
/* MUX settings for EHCI pins */
/*
* setup_ehci_io_mux - initialize IO pad mux for USBHOST
*/
static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
{
switch (port_mode[0]) {
case EHCI_HCD_OMAP_MODE_PHY:
omap_mux_init_signal("hsusb1_stp", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb1_clk", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb1_dir", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_nxt", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data0", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data1", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data2", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data3", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data4", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data5", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data6", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_data7", OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("hsusb1_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb1_tll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb1_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[1]) {
case EHCI_HCD_OMAP_MODE_PHY:
omap_mux_init_signal("hsusb2_stp", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb2_clk", OMAP_PIN_OUTPUT);
omap_mux_init_signal("hsusb2_dir", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_nxt", OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("hsusb2_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb2_tll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb2_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[2]) {
case EHCI_HCD_OMAP_MODE_PHY:
printk(KERN_WARNING "Port3 can't be used in PHY mode\n");
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("hsusb3_tll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("hsusb3_tll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("hsusb3_tll_data7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
/* FALLTHROUGH */
default:
break;
}
return;
}
static void setup_4430ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
{
switch (port_mode[0]) {
case EHCI_HCD_OMAP_MODE_PHY:
omap_mux_init_signal("usbb1_ulpiphy_stp",
OMAP_PIN_OUTPUT);
omap_mux_init_signal("usbb1_ulpiphy_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpiphy_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("usbb1_ulpitll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("usbb1_ulpitll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb1_ulpitll_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
default:
break;
}
switch (port_mode[1]) {
case EHCI_HCD_OMAP_MODE_PHY:
omap_mux_init_signal("usbb2_ulpiphy_stp",
OMAP_PIN_OUTPUT);
omap_mux_init_signal("usbb2_ulpiphy_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpiphy_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_TLL:
omap_mux_init_signal("usbb2_ulpitll_stp",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("usbb2_ulpitll_clk",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dir",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_nxt",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat1",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat2",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat3",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat4",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat5",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat6",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("usbb2_ulpitll_dat7",
OMAP_PIN_INPUT_PULLDOWN);
break;
case EHCI_HCD_OMAP_MODE_UNKNOWN:
default:
break;
}
}
void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
{
platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
/* Setup Pin IO MUX for EHCI */
if (cpu_is_omap34xx()) {
ehci_resources[0].start = OMAP34XX_EHCI_BASE;
ehci_resources[0].end = OMAP34XX_EHCI_BASE + SZ_1K - 1;
ehci_resources[1].start = OMAP34XX_UHH_CONFIG_BASE;
ehci_resources[1].end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1;
ehci_resources[2].start = OMAP34XX_USBTLL_BASE;
ehci_resources[2].end = OMAP34XX_USBTLL_BASE + SZ_4K - 1;
ehci_resources[3].start = INT_34XX_EHCI_IRQ;
setup_ehci_io_mux(pdata->port_mode);
} else if (cpu_is_omap44xx()) {
ehci_resources[0].start = OMAP44XX_HSUSB_EHCI_BASE;
ehci_resources[0].end = OMAP44XX_HSUSB_EHCI_BASE + SZ_1K - 1;
ehci_resources[1].start = OMAP44XX_UHH_CONFIG_BASE;
ehci_resources[1].end = OMAP44XX_UHH_CONFIG_BASE + SZ_2K - 1;
ehci_resources[2].start = OMAP44XX_USBTLL_BASE;
ehci_resources[2].end = OMAP44XX_USBTLL_BASE + SZ_4K - 1;
ehci_resources[3].start = OMAP44XX_IRQ_EHCI;
setup_4430ehci_io_mux(pdata->port_mode);
}
if (platform_device_register(&ehci_device) < 0) {
printk(KERN_ERR "Unable to register HS-USB (EHCI) device\n");
return;
}
}
#else
void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
{
}
#endif /* CONFIG_USB_EHCI_HCD */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct resource ohci_resources[] = {
{
.start = OMAP34XX_OHCI_BASE,
.end = OMAP34XX_OHCI_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_UHH_CONFIG_BASE,
.end = OMAP34XX_UHH_CONFIG_BASE + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_USBTLL_BASE,
.end = OMAP34XX_USBTLL_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{ /* general IRQ */
.start = INT_34XX_OHCI_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static u64 ohci_dmamask = DMA_BIT_MASK(32);
static struct platform_device ohci_device = {
.name = "ohci-omap3",
.id = 0,
.dev = {
.dma_mask = &ohci_dmamask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(ohci_resources),
.resource = ohci_resources,
};
static void setup_ohci_io_mux(const enum ohci_omap3_port_mode *port_mode)
{
switch (port_mode[0]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm1_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm1_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm1_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm1_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm1_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm1_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[1]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm2_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm2_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm2_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm2_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm2_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm2_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
switch (port_mode[2]) {
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_PHY_6PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_6PIN_DPDM:
omap_mux_init_signal("mm3_rxdp",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm3_rxdm",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_4PIN_DPDM:
case OMAP_OHCI_PORT_MODE_TLL_4PIN_DPDM:
omap_mux_init_signal("mm3_rxrcv",
OMAP_PIN_INPUT_PULLDOWN);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_PHY_3PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_3PIN_DATSE0:
omap_mux_init_signal("mm3_txen_n", OMAP_PIN_OUTPUT);
/* FALLTHROUGH */
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DATSE0:
case OMAP_OHCI_PORT_MODE_TLL_2PIN_DPDM:
omap_mux_init_signal("mm3_txse0",
OMAP_PIN_INPUT_PULLDOWN);
omap_mux_init_signal("mm3_txdat",
OMAP_PIN_INPUT_PULLDOWN);
break;
case OMAP_OHCI_PORT_MODE_UNUSED:
/* FALLTHROUGH */
default:
break;
}
}
void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
{
platform_device_add_data(&ohci_device, pdata, sizeof(*pdata));
/* Setup Pin IO MUX for OHCI */
if (cpu_is_omap34xx())
setup_ohci_io_mux(pdata->port_mode);
if (platform_device_register(&ohci_device) < 0) {
pr_err("Unable to register FS-USB (OHCI) device\n");
return;
}
}
#else
void __init usb_ohci_init(const struct ohci_hcd_omap_platform_data *pdata)
{
}
#endif /* CONFIG_USB_OHCI_HCD */
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