[deliverable/linux.git] / drivers / usb / host / ehci-fsl.c

/*
 * (C) Copyright David Brownell 2000-2002
 * Copyright (c) 2005 MontaVista Software
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * Ported to 834x by Randy Vinson <rvinson@mvista.com> using code provided
 * by Hunter Wu.
 */

#include <linux/platform_device.h>
#include <linux/fsl_devices.h>

#include "ehci-fsl.h"

/* FIXME: Power Managment is un-ported so temporarily disable it */
#undef CONFIG_PM

/* PCI-based HCs are common, but plenty of non-PCI HCs are used too */

/* configure so an HC device and id are always provided */
/* always called with process context; sleeping is OK */

/**
 * usb_hcd_fsl_probe - initialize FSL-based HCDs
 * @drvier: Driver to be used for this HCD
 * @pdev: USB Host Controller being probed
 * Context: !in_interrupt()
 *
 * Allocates basic resources for this USB host controller.
 *
 */
int usb_hcd_fsl_probe(const struct hc_driver *driver,
		      struct platform_device *pdev)
{
	struct fsl_usb2_platform_data *pdata;
	struct usb_hcd *hcd;
	struct resource *res;
	int irq;
	int retval;
	unsigned int temp;

	pr_debug("initializing FSL-SOC USB Controller\n");

	/* Need platform data for setup */
	pdata = (struct fsl_usb2_platform_data *)pdev->dev.platform_data;
	if (!pdata) {
		dev_err(&pdev->dev,
			"No platform data for %s.\n", pdev->dev.bus_id);
		return -ENODEV;
	}

	/*
	 * This is a host mode driver, verify that we're supposed to be
	 * in host mode.
	 */
	if (!((pdata->operating_mode == FSL_USB2_DR_HOST) ||
	      (pdata->operating_mode == FSL_USB2_MPH_HOST) ||
	      (pdata->operating_mode == FSL_USB2_DR_OTG))) {
		dev_err(&pdev->dev,
			"Non Host Mode configured for %s. Wrong driver linked.\n",
			pdev->dev.bus_id);
		return -ENODEV;
	}

	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
	if (!res) {
		dev_err(&pdev->dev,
			"Found HC with no IRQ. Check %s setup!\n",
			pdev->dev.bus_id);
		return -ENODEV;
	}
	irq = res->start;

	hcd = usb_create_hcd(driver, &pdev->dev, pdev->dev.bus_id);
	if (!hcd) {
		retval = -ENOMEM;
		goto err1;
	}

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	if (!res) {
		dev_err(&pdev->dev,
			"Found HC with no register addr. Check %s setup!\n",
			pdev->dev.bus_id);
		retval = -ENODEV;
		goto err2;
	}
	hcd->rsrc_start = res->start;
	hcd->rsrc_len = res->end - res->start + 1;
	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
				driver->description)) {
		dev_dbg(&pdev->dev, "controller already in use\n");
		retval = -EBUSY;
		goto err2;
	}
	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);

	if (hcd->regs == NULL) {
		dev_dbg(&pdev->dev, "error mapping memory\n");
		retval = -EFAULT;
		goto err3;
	}

	/* Enable USB controller */
	temp = in_be32(hcd->regs + 0x500);
	out_be32(hcd->regs + 0x500, temp | 0x4);

	/* Set to Host mode */
	temp = in_le32(hcd->regs + 0x1a8);
	out_le32(hcd->regs + 0x1a8, temp | 0x3);

	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
	if (retval != 0)
		goto err4;
	return retval;

      err4:
	iounmap(hcd->regs);
      err3:
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
      err2:
	usb_put_hcd(hcd);
      err1:
	dev_err(&pdev->dev, "init %s fail, %d\n", pdev->dev.bus_id, retval);
	return retval;
}

/* may be called without controller electrically present */
/* may be called with controller, bus, and devices active */

/**
 * usb_hcd_fsl_remove - shutdown processing for FSL-based HCDs
 * @dev: USB Host Controller being removed
 * Context: !in_interrupt()
 *
 * Reverses the effect of usb_hcd_fsl_probe().
 *
 */
void usb_hcd_fsl_remove(struct usb_hcd *hcd, struct platform_device *pdev)
{
	usb_remove_hcd(hcd);
	iounmap(hcd->regs);
	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	usb_put_hcd(hcd);
}

static void mpc83xx_setup_phy(struct ehci_hcd *ehci,
			      enum fsl_usb2_phy_modes phy_mode,
			      unsigned int port_offset)
{
	u32 portsc = 0;
	switch (phy_mode) {
	case FSL_USB2_PHY_ULPI:
		portsc |= PORT_PTS_ULPI;
		break;
	case FSL_USB2_PHY_SERIAL:
		portsc |= PORT_PTS_SERIAL;
		break;
	case FSL_USB2_PHY_UTMI_WIDE:
		portsc |= PORT_PTS_PTW;
		/* fall through */
	case FSL_USB2_PHY_UTMI:
		portsc |= PORT_PTS_UTMI;
		break;
	case FSL_USB2_PHY_NONE:
		break;
	}
	ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]);
}

static void mpc83xx_usb_setup(struct usb_hcd *hcd)
{
	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
	struct fsl_usb2_platform_data *pdata;
	void __iomem *non_ehci = hcd->regs;
	u32 temp;

	pdata =
	    (struct fsl_usb2_platform_data *)hcd->self.controller->
	    platform_data;
	/* Enable PHY interface in the control reg. */
	temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
	out_be32(non_ehci + FSL_SOC_USB_CTRL, temp | 0x00000004);
	out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0000001b);

#if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE)
	/*
	 * Turn on cache snooping hardware, since some PowerPC platforms
	 * wholly rely on hardware to deal with cache coherent
	 */

	/* Setup Snooping for all the 4GB space */
	/* SNOOP1 starts from 0x0, size 2G */
	out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 | SNOOP_SIZE_2GB);
	/* SNOOP2 starts from 0x80000000, size 2G */
	out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 | SNOOP_SIZE_2GB);
#endif

	if ((pdata->operating_mode == FSL_USB2_DR_HOST) ||
			(pdata->operating_mode == FSL_USB2_DR_OTG))
		mpc83xx_setup_phy(ehci, pdata->phy_mode, 0);

	if (pdata->operating_mode == FSL_USB2_MPH_HOST) {
		unsigned int chip, rev, svr;

		svr = mfspr(SPRN_SVR);
		chip = svr >> 16;
		rev = (svr >> 4) & 0xf;

		/* Deal with USB Erratum #14 on MPC834x Rev 1.0 & 1.1 chips */
		if ((rev == 1) && (chip >= 0x8050) && (chip <= 0x8055))
			ehci->has_fsl_port_bug = 1;

		if (pdata->port_enables & FSL_USB2_PORT0_ENABLED)
			mpc83xx_setup_phy(ehci, pdata->phy_mode, 0);
		if (pdata->port_enables & FSL_USB2_PORT1_ENABLED)
			mpc83xx_setup_phy(ehci, pdata->phy_mode, 1);
	}

	/* put controller in host mode. */
	ehci_writel(ehci, 0x00000003, non_ehci + FSL_SOC_USB_USBMODE);
	out_be32(non_ehci + FSL_SOC_USB_PRICTRL, 0x0000000c);
	out_be32(non_ehci + FSL_SOC_USB_AGECNTTHRSH, 0x00000040);
	out_be32(non_ehci + FSL_SOC_USB_SICTRL, 0x00000001);
}

/* called after powerup, by probe or system-pm "wakeup" */
static int ehci_fsl_reinit(struct ehci_hcd *ehci)
{
	mpc83xx_usb_setup(ehci_to_hcd(ehci));
	ehci_port_power(ehci, 0);

	return 0;
}

/* called during probe() after chip reset completes */
static int ehci_fsl_setup(struct usb_hcd *hcd)
{
	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
	int retval;

	/* EHCI registers start at offset 0x100 */
	ehci->caps = hcd->regs + 0x100;
	ehci->regs = hcd->regs + 0x100 +
	    HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
	dbg_hcs_params(ehci, "reset");
	dbg_hcc_params(ehci, "reset");

	/* cache this readonly data; minimize chip reads */
	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);

	retval = ehci_halt(ehci);
	if (retval)
		return retval;

	/* data structure init */
	retval = ehci_init(hcd);
	if (retval)
		return retval;

	ehci->is_tdi_rh_tt = 1;

	ehci->sbrn = 0x20;

	ehci_reset(ehci);

	retval = ehci_fsl_reinit(ehci);
	return retval;
}

static const struct hc_driver ehci_fsl_hc_driver = {
	.description = hcd_name,
	.product_desc = "Freescale On-Chip EHCI Host Controller",
	.hcd_priv_size = sizeof(struct ehci_hcd),

	/*
	 * generic hardware linkage
	 */
	.irq = ehci_irq,
	.flags = HCD_USB2,

	/*
	 * basic lifecycle operations
	 */
	.reset = ehci_fsl_setup,
	.start = ehci_run,
#ifdef	CONFIG_PM
	.suspend = ehci_bus_suspend,
	.resume = ehci_bus_resume,
#endif
	.stop = ehci_stop,
	.shutdown = ehci_shutdown,

	/*
	 * managing i/o requests and associated device resources
	 */
	.urb_enqueue = ehci_urb_enqueue,
	.urb_dequeue = ehci_urb_dequeue,
	.endpoint_disable = ehci_endpoint_disable,

	/*
	 * scheduling support
	 */
	.get_frame_number = ehci_get_frame,

	/*
	 * root hub support
	 */
	.hub_status_data = ehci_hub_status_data,
	.hub_control = ehci_hub_control,
	.bus_suspend = ehci_bus_suspend,
	.bus_resume = ehci_bus_resume,
};

static int ehci_fsl_drv_probe(struct platform_device *pdev)
{
	if (usb_disabled())
		return -ENODEV;

	return usb_hcd_fsl_probe(&ehci_fsl_hc_driver, pdev);
}

static int ehci_fsl_drv_remove(struct platform_device *pdev)
{
	struct usb_hcd *hcd = platform_get_drvdata(pdev);

	usb_hcd_fsl_remove(hcd, pdev);

	return 0;
}

MODULE_ALIAS("fsl-ehci");

static struct platform_driver ehci_fsl_driver = {
	.probe = ehci_fsl_drv_probe,
	.remove = ehci_fsl_drv_remove,
	.shutdown = usb_hcd_platform_shutdown,
	.driver = {
		   .name = "fsl-ehci",
		   },
};
Commit	Line	Data
80cb9aee RV	1	/*
	2	* (C) Copyright David Brownell 2000-2002
	3	* Copyright (c) 2005 MontaVista Software
	4	*
	5	* This program is free software; you can redistribute it and/or modify it
	6	* under the terms of the GNU General Public License as published by the
	7	* Free Software Foundation; either version 2 of the License, or (at your
	8	* option) any later version.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
	12	* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	13	* for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software Foundation,
	17	* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	18	*
	19	* Ported to 834x by Randy Vinson <rvinson@mvista.com> using code provided
	20	* by Hunter Wu.
	21	*/
	22
	23	#include <linux/platform_device.h>
	24	#include <linux/fsl_devices.h>
	25
	26	#include "ehci-fsl.h"
	27
	28	/* FIXME: Power Managment is un-ported so temporarily disable it */
	29	#undef CONFIG_PM
	30
	31	/* PCI-based HCs are common, but plenty of non-PCI HCs are used too */
	32
	33	/* configure so an HC device and id are always provided */
	34	/* always called with process context; sleeping is OK */
	35
	36	/**
	37	* usb_hcd_fsl_probe - initialize FSL-based HCDs
	38	* @drvier: Driver to be used for this HCD
	39	* @pdev: USB Host Controller being probed
	40	* Context: !in_interrupt()
	41	*
	42	* Allocates basic resources for this USB host controller.
	43	*
	44	*/
	45	int usb_hcd_fsl_probe(const struct hc_driver *driver,
	46	struct platform_device *pdev)
	47	{
	48	struct fsl_usb2_platform_data *pdata;
	49	struct usb_hcd *hcd;
	50	struct resource *res;
	51	int irq;
	52	int retval;
	53	unsigned int temp;
	54
	55	pr_debug("initializing FSL-SOC USB Controller\n");
	56
	57	/* Need platform data for setup */
	58	pdata = (struct fsl_usb2_platform_data *)pdev->dev.platform_data;
	59	if (!pdata) {
	60	dev_err(&pdev->dev,
	61	"No platform data for %s.\n", pdev->dev.bus_id);
	62	return -ENODEV;
	63	}
	64
65	/*
66	* This is a host mode driver, verify that we're supposed to be
67	* in host mode.
68	*/
69	if (!((pdata->operating_mode == FSL_USB2_DR_HOST) \|\|
ba02978a LY	70	(pdata->operating_mode == FSL_USB2_MPH_HOST) \|\|
ba02978a LY	71	(pdata->operating_mode == FSL_USB2_DR_OTG))) {
80cb9aee RV	72	dev_err(&pdev->dev,
	73	"Non Host Mode configured for %s. Wrong driver linked.\n",
	74	pdev->dev.bus_id);
	75	return -ENODEV;
	76	}
	77
	78	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
	79	if (!res) {
	80	dev_err(&pdev->dev,
	81	"Found HC with no IRQ. Check %s setup!\n",
	82	pdev->dev.bus_id);
	83	return -ENODEV;
	84	}
	85	irq = res->start;
	86
	87	hcd = usb_create_hcd(driver, &pdev->dev, pdev->dev.bus_id);
	88	if (!hcd) {
	89	retval = -ENOMEM;
	90	goto err1;
	91	}
	92
	93	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	94	if (!res) {
	95	dev_err(&pdev->dev,
	96	"Found HC with no register addr. Check %s setup!\n",
	97	pdev->dev.bus_id);
	98	retval = -ENODEV;
	99	goto err2;
	100	}
	101	hcd->rsrc_start = res->start;
	102	hcd->rsrc_len = res->end - res->start + 1;
	103	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
	104	driver->description)) {
	105	dev_dbg(&pdev->dev, "controller already in use\n");
	106	retval = -EBUSY;
	107	goto err2;
	108	}
	109	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
	110
	111	if (hcd->regs == NULL) {
	112	dev_dbg(&pdev->dev, "error mapping memory\n");
	113	retval = -EFAULT;
	114	goto err3;
	115	}
	116
	117	/* Enable USB controller */
	118	temp = in_be32(hcd->regs + 0x500);
	119	out_be32(hcd->regs + 0x500, temp \| 0x4);
	120
	121	/* Set to Host mode */
	122	temp = in_le32(hcd->regs + 0x1a8);
	123	out_le32(hcd->regs + 0x1a8, temp \| 0x3);
	124
442258e2	125	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED \| IRQF_SHARED);
80cb9aee RV	126	if (retval != 0)
	127	goto err4;
	128	return retval;
	129
	130	err4:
	131	iounmap(hcd->regs);
	132	err3:
	133	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	134	err2:
	135	usb_put_hcd(hcd);
	136	err1:
	137	dev_err(&pdev->dev, "init %s fail, %d\n", pdev->dev.bus_id, retval);
	138	return retval;
	139	}
	140
	141	/* may be called without controller electrically present */
	142	/* may be called with controller, bus, and devices active */
	143
	144	/**
	145	* usb_hcd_fsl_remove - shutdown processing for FSL-based HCDs
	146	* @dev: USB Host Controller being removed
	147	* Context: !in_interrupt()
	148	*
	149	* Reverses the effect of usb_hcd_fsl_probe().
	150	*
	151	*/
	152	void usb_hcd_fsl_remove(struct usb_hcd hcd, struct platform_device pdev)
	153	{
	154	usb_remove_hcd(hcd);
	155	iounmap(hcd->regs);
	156	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
	157	usb_put_hcd(hcd);
	158	}
	159
	160	static void mpc83xx_setup_phy(struct ehci_hcd *ehci,
	161	enum fsl_usb2_phy_modes phy_mode,
	162	unsigned int port_offset)
	163	{
499003e8	164	u32 portsc = 0;
80cb9aee RV	165	switch (phy_mode) {
	166	case FSL_USB2_PHY_ULPI:
	167	portsc \|= PORT_PTS_ULPI;
	168	break;
	169	case FSL_USB2_PHY_SERIAL:
	170	portsc \|= PORT_PTS_SERIAL;
	171	break;
	172	case FSL_USB2_PHY_UTMI_WIDE:
	173	portsc \|= PORT_PTS_PTW;
	174	/* fall through */
	175	case FSL_USB2_PHY_UTMI:
	176	portsc \|= PORT_PTS_UTMI;
	177	break;
	178	case FSL_USB2_PHY_NONE:
	179	break;
	180	}
083522d7	181	ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]);
80cb9aee RV	182	}
	183
	184	static void mpc83xx_usb_setup(struct usb_hcd *hcd)
	185	{
	186	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
	187	struct fsl_usb2_platform_data *pdata;
	188	void __iomem *non_ehci = hcd->regs;
ba02978a	189	u32 temp;
80cb9aee RV	190
	191	pdata =
	192	(struct fsl_usb2_platform_data *)hcd->self.controller->
	193	platform_data;
	194	/* Enable PHY interface in the control reg. */
ba02978a LY	195	temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
ba02978a LY	196	out_be32(non_ehci + FSL_SOC_USB_CTRL, temp \| 0x00000004);
80cb9aee RV	197	out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0000001b);
80cb9aee RV	198
40acc095 LY	199	#if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE)
	200	/*
	201	* Turn on cache snooping hardware, since some PowerPC platforms
	202	* wholly rely on hardware to deal with cache coherent
	203	*/
	204
	205	/* Setup Snooping for all the 4GB space */
	206	/* SNOOP1 starts from 0x0, size 2G */
	207	out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0 \| SNOOP_SIZE_2GB);
	208	/* SNOOP2 starts from 0x80000000, size 2G */
	209	out_be32(non_ehci + FSL_SOC_USB_SNOOP2, 0x80000000 \| SNOOP_SIZE_2GB);
	210	#endif
	211
ba02978a LY	212	if ((pdata->operating_mode == FSL_USB2_DR_HOST) \|\|
ba02978a LY	213	(pdata->operating_mode == FSL_USB2_DR_OTG))
80cb9aee RV	214	mpc83xx_setup_phy(ehci, pdata->phy_mode, 0);
	215
	216	if (pdata->operating_mode == FSL_USB2_MPH_HOST) {
8cd42e97 KG	217	unsigned int chip, rev, svr;
	218
	219	svr = mfspr(SPRN_SVR);
	220	chip = svr >> 16;
	221	rev = (svr >> 4) & 0xf;
	222
	223	/* Deal with USB Erratum #14 on MPC834x Rev 1.0 & 1.1 chips */
	224	if ((rev == 1) && (chip >= 0x8050) && (chip <= 0x8055))
	225	ehci->has_fsl_port_bug = 1;
	226
80cb9aee RV	227	if (pdata->port_enables & FSL_USB2_PORT0_ENABLED)
	228	mpc83xx_setup_phy(ehci, pdata->phy_mode, 0);
	229	if (pdata->port_enables & FSL_USB2_PORT1_ENABLED)
	230	mpc83xx_setup_phy(ehci, pdata->phy_mode, 1);
	231	}
	232
	233	/* put controller in host mode. */
083522d7	234	ehci_writel(ehci, 0x00000003, non_ehci + FSL_SOC_USB_USBMODE);
80cb9aee RV	235	out_be32(non_ehci + FSL_SOC_USB_PRICTRL, 0x0000000c);
	236	out_be32(non_ehci + FSL_SOC_USB_AGECNTTHRSH, 0x00000040);
	237	out_be32(non_ehci + FSL_SOC_USB_SICTRL, 0x00000001);
	238	}
	239
	240	/* called after powerup, by probe or system-pm "wakeup" */
	241	static int ehci_fsl_reinit(struct ehci_hcd *ehci)
	242	{
	243	mpc83xx_usb_setup(ehci_to_hcd(ehci));
	244	ehci_port_power(ehci, 0);
	245
	246	return 0;
	247	}
	248
	249	/* called during probe() after chip reset completes */
	250	static int ehci_fsl_setup(struct usb_hcd *hcd)
	251	{
	252	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
	253	int retval;
	254
	255	/* EHCI registers start at offset 0x100 */
	256	ehci->caps = hcd->regs + 0x100;
	257	ehci->regs = hcd->regs + 0x100 +
083522d7	258	HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
80cb9aee RV	259	dbg_hcs_params(ehci, "reset");
	260	dbg_hcc_params(ehci, "reset");
	261
	262	/* cache this readonly data; minimize chip reads */
083522d7	263	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
80cb9aee RV	264
	265	retval = ehci_halt(ehci);
	266	if (retval)
	267	return retval;
	268
	269	/* data structure init */
	270	retval = ehci_init(hcd);
	271	if (retval)
	272	return retval;
	273
	274	ehci->is_tdi_rh_tt = 1;
	275
	276	ehci->sbrn = 0x20;
	277
	278	ehci_reset(ehci);
	279
	280	retval = ehci_fsl_reinit(ehci);
	281	return retval;
	282	}
	283
	284	static const struct hc_driver ehci_fsl_hc_driver = {
	285	.description = hcd_name,
	286	.product_desc = "Freescale On-Chip EHCI Host Controller",
	287	.hcd_priv_size = sizeof(struct ehci_hcd),
	288
	289	/*
	290	* generic hardware linkage
	291	*/
	292	.irq = ehci_irq,
	293	.flags = HCD_USB2,
	294
	295	/*
	296	* basic lifecycle operations
	297	*/
	298	.reset = ehci_fsl_setup,
	299	.start = ehci_run,
	300	#ifdef CONFIG_PM
	301	.suspend = ehci_bus_suspend,
	302	.resume = ehci_bus_resume,
	303	#endif
	304	.stop = ehci_stop,
64a21d02	305	.shutdown = ehci_shutdown,
80cb9aee RV	306
	307	/*
	308	* managing i/o requests and associated device resources
	309	*/
	310	.urb_enqueue = ehci_urb_enqueue,
	311	.urb_dequeue = ehci_urb_dequeue,
	312	.endpoint_disable = ehci_endpoint_disable,
	313
	314	/*
	315	* scheduling support
	316	*/
	317	.get_frame_number = ehci_get_frame,
	318
	319	/*
	320	* root hub support
	321	*/
	322	.hub_status_data = ehci_hub_status_data,
	323	.hub_control = ehci_hub_control,
	324	.bus_suspend = ehci_bus_suspend,
	325	.bus_resume = ehci_bus_resume,
	326	};
	327
	328	static int ehci_fsl_drv_probe(struct platform_device *pdev)
	329	{
	330	if (usb_disabled())
	331	return -ENODEV;
	332
	333	return usb_hcd_fsl_probe(&ehci_fsl_hc_driver, pdev);
	334	}
	335
	336	static int ehci_fsl_drv_remove(struct platform_device *pdev)
	337	{
	338	struct usb_hcd *hcd = platform_get_drvdata(pdev);
	339
	340	usb_hcd_fsl_remove(hcd, pdev);
	341
	342	return 0;
	343	}
	344
01cced25	345	MODULE_ALIAS("fsl-ehci");
80cb9aee	346
01cced25	347	static struct platform_driver ehci_fsl_driver = {
80cb9aee RV	348	.probe = ehci_fsl_drv_probe,
80cb9aee RV	349	.remove = ehci_fsl_drv_remove,
64a21d02	350	.shutdown = usb_hcd_platform_shutdown,
80cb9aee	351	.driver = {
01cced25	352	.name = "fsl-ehci",
80cb9aee RV	353	},
80cb9aee RV	354	};