Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 890 deletions

diff --git a/qemu/roms/u-boot/drivers/usb/gadget/s3c_udc_otg.c b/qemu/roms/u-boot/drivers/usb/gadget/s3c_udc_otg.c
deleted file mode 100644
index 63d4487a9..000000000
--- a/qemu/roms/u-boot/drivers/usb/gadget/s3c_udc_otg.c
+++ /dev/null
@@ -1,890 +0,0 @@
-/*
- * drivers/usb/gadget/s3c_udc_otg.c
- * Samsung S3C on-chip full/high speed USB OTG 2.0 device controllers
- *
- * Copyright (C) 2008 for Samsung Electronics
- *
- * BSP Support for Samsung's UDC driver
- * available at:
- * git://git.kernel.org/pub/scm/linux/kernel/git/kki_ap/linux-2.6-samsung.git
- *
- * State machine bugfixes:
- * Marek Szyprowski <m.szyprowski@samsung.com>
- *
- * Ported to u-boot:
- * Marek Szyprowski <m.szyprowski@samsung.com>
- * Lukasz Majewski <l.majewski@samsumg.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-#undef DEBUG
-#include <common.h>
-#include <asm/errno.h>
-#include <linux/list.h>
-#include <malloc.h>
-
-#include <linux/usb/ch9.h>
-#include <linux/usb/gadget.h>
-
-#include <asm/byteorder.h>
-#include <asm/unaligned.h>
-#include <asm/io.h>
-
-#include <asm/mach-types.h>
-#include <asm/arch/gpio.h>
-
-#include "regs-otg.h"
-#include <usb/lin_gadget_compat.h>
-
-/***********************************************************/
-
-#define OTG_DMA_MODE		1
-
-#define DEBUG_SETUP 0
-#define DEBUG_EP0 0
-#define DEBUG_ISR 0
-#define DEBUG_OUT_EP 0
-#define DEBUG_IN_EP 0
-
-#include <usb/s3c_udc.h>
-
-#define EP0_CON		0
-#define EP_MASK		0xF
-
-static char *state_names[] = {
-	"WAIT_FOR_SETUP",
-	"DATA_STATE_XMIT",
-	"DATA_STATE_NEED_ZLP",
-	"WAIT_FOR_OUT_STATUS",
-	"DATA_STATE_RECV",
-	"WAIT_FOR_COMPLETE",
-	"WAIT_FOR_OUT_COMPLETE",
-	"WAIT_FOR_IN_COMPLETE",
-	"WAIT_FOR_NULL_COMPLETE",
-};
-
-#define DRIVER_DESC "S3C HS USB OTG Device Driver, (c) Samsung Electronics"
-#define DRIVER_VERSION "15 March 2009"
-
-struct s3c_udc	*the_controller;
-
-static const char driver_name[] = "s3c-udc";
-static const char driver_desc[] = DRIVER_DESC;
-static const char ep0name[] = "ep0-control";
-
-/* Max packet size*/
-static unsigned int ep0_fifo_size = 64;
-static unsigned int ep_fifo_size =  512;
-static unsigned int ep_fifo_size2 = 1024;
-static int reset_available = 1;
-
-static struct usb_ctrlrequest *usb_ctrl;
-static dma_addr_t usb_ctrl_dma_addr;
-
-/*
-  Local declarations.
-*/
-static int s3c_ep_enable(struct usb_ep *ep,
-			 const struct usb_endpoint_descriptor *);
-static int s3c_ep_disable(struct usb_ep *ep);
-static struct usb_request *s3c_alloc_request(struct usb_ep *ep,
-					     gfp_t gfp_flags);
-static void s3c_free_request(struct usb_ep *ep, struct usb_request *);
-
-static int s3c_queue(struct usb_ep *ep, struct usb_request *, gfp_t gfp_flags);
-static int s3c_dequeue(struct usb_ep *ep, struct usb_request *);
-static int s3c_fifo_status(struct usb_ep *ep);
-static void s3c_fifo_flush(struct usb_ep *ep);
-static void s3c_ep0_read(struct s3c_udc *dev);
-static void s3c_ep0_kick(struct s3c_udc *dev, struct s3c_ep *ep);
-static void s3c_handle_ep0(struct s3c_udc *dev);
-static int s3c_ep0_write(struct s3c_udc *dev);
-static int write_fifo_ep0(struct s3c_ep *ep, struct s3c_request *req);
-static void done(struct s3c_ep *ep, struct s3c_request *req, int status);
-static void stop_activity(struct s3c_udc *dev,
-			  struct usb_gadget_driver *driver);
-static int udc_enable(struct s3c_udc *dev);
-static void udc_set_address(struct s3c_udc *dev, unsigned char address);
-static void reconfig_usbd(void);
-static void set_max_pktsize(struct s3c_udc *dev, enum usb_device_speed speed);
-static void nuke(struct s3c_ep *ep, int status);
-static int s3c_udc_set_halt(struct usb_ep *_ep, int value);
-static void s3c_udc_set_nak(struct s3c_ep *ep);
-
-void set_udc_gadget_private_data(void *p)
-{
-	debug_cond(DEBUG_SETUP != 0,
-		   "%s: the_controller: 0x%p, p: 0x%p\n", __func__,
-		   the_controller, p);
-	the_controller->gadget.dev.device_data = p;
-}
-
-void *get_udc_gadget_private_data(struct usb_gadget *gadget)
-{
-	return gadget->dev.device_data;
-}
-
-static struct usb_ep_ops s3c_ep_ops = {
-	.enable = s3c_ep_enable,
-	.disable = s3c_ep_disable,
-
-	.alloc_request = s3c_alloc_request,
-	.free_request = s3c_free_request,
-
-	.queue = s3c_queue,
-	.dequeue = s3c_dequeue,
-
-	.set_halt = s3c_udc_set_halt,
-	.fifo_status = s3c_fifo_status,
-	.fifo_flush = s3c_fifo_flush,
-};
-
-#define create_proc_files() do {} while (0)
-#define remove_proc_files() do {} while (0)
-
-/***********************************************************/
-
-void __iomem		*regs_otg;
-struct s3c_usbotg_reg *reg;
-struct s3c_usbotg_phy *phy;
-static unsigned int usb_phy_ctrl;
-
-void otg_phy_init(struct s3c_udc *dev)
-{
-	dev->pdata->phy_control(1);
-
-	/*USB PHY0 Enable */
-	printf("USB PHY0 Enable\n");
-
-	/* Enable PHY */
-	writel(readl(usb_phy_ctrl) | USB_PHY_CTRL_EN0, usb_phy_ctrl);
-
-	if (dev->pdata->usb_flags == PHY0_SLEEP) /* C210 Universal */
-		writel((readl(&phy->phypwr)
-			&~(PHY_0_SLEEP | OTG_DISABLE_0 | ANALOG_PWRDOWN)
-			&~FORCE_SUSPEND_0), &phy->phypwr);
-	else /* C110 GONI */
-		writel((readl(&phy->phypwr) &~(OTG_DISABLE_0 | ANALOG_PWRDOWN)
-			&~FORCE_SUSPEND_0), &phy->phypwr);
-
-	if (s5p_cpu_id == 0x4412)
-		writel((readl(&phy->phyclk) & ~(EXYNOS4X12_ID_PULLUP0 |
-			EXYNOS4X12_COMMON_ON_N0)) | EXYNOS4X12_CLK_SEL_24MHZ,
-		       &phy->phyclk); /* PLL 24Mhz */
-	else
-		writel((readl(&phy->phyclk) & ~(ID_PULLUP0 | COMMON_ON_N0)) |
-		       CLK_SEL_24MHZ, &phy->phyclk); /* PLL 24Mhz */
-
-	writel((readl(&phy->rstcon) &~(LINK_SW_RST | PHYLNK_SW_RST))
-	       | PHY_SW_RST0, &phy->rstcon);
-	udelay(10);
-	writel(readl(&phy->rstcon)
-	       &~(PHY_SW_RST0 | LINK_SW_RST | PHYLNK_SW_RST), &phy->rstcon);
-	udelay(10);
-}
-
-void otg_phy_off(struct s3c_udc *dev)
-{
-	/* reset controller just in case */
-	writel(PHY_SW_RST0, &phy->rstcon);
-	udelay(20);
-	writel(readl(&phy->phypwr) &~PHY_SW_RST0, &phy->rstcon);
-	udelay(20);
-
-	writel(readl(&phy->phypwr) | OTG_DISABLE_0 | ANALOG_PWRDOWN
-	       | FORCE_SUSPEND_0, &phy->phypwr);
-
-	writel(readl(usb_phy_ctrl) &~USB_PHY_CTRL_EN0, usb_phy_ctrl);
-
-	writel((readl(&phy->phyclk) & ~(ID_PULLUP0 | COMMON_ON_N0)),
-	      &phy->phyclk);
-
-	udelay(10000);
-
-	dev->pdata->phy_control(0);
-}
-
-/***********************************************************/
-
-#include "s3c_udc_otg_xfer_dma.c"
-
-/*
- *	udc_disable - disable USB device controller
- */
-static void udc_disable(struct s3c_udc *dev)
-{
-	debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
-
-	udc_set_address(dev, 0);
-
-	dev->ep0state = WAIT_FOR_SETUP;
-	dev->gadget.speed = USB_SPEED_UNKNOWN;
-	dev->usb_address = 0;
-
-	otg_phy_off(dev);
-}
-
-/*
- *	udc_reinit - initialize software state
- */
-static void udc_reinit(struct s3c_udc *dev)
-{
-	unsigned int i;
-
-	debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
-
-	/* device/ep0 records init */
-	INIT_LIST_HEAD(&dev->gadget.ep_list);
-	INIT_LIST_HEAD(&dev->gadget.ep0->ep_list);
-	dev->ep0state = WAIT_FOR_SETUP;
-
-	/* basic endpoint records init */
-	for (i = 0; i < S3C_MAX_ENDPOINTS; i++) {
-		struct s3c_ep *ep = &dev->ep[i];
-
-		if (i != 0)
-			list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list);
-
-		ep->desc = 0;
-		ep->stopped = 0;
-		INIT_LIST_HEAD(&ep->queue);
-		ep->pio_irqs = 0;
-	}
-
-	/* the rest was statically initialized, and is read-only */
-}
-
-#define BYTES2MAXP(x)	(x / 8)
-#define MAXP2BYTES(x)	(x * 8)
-
-/* until it's enabled, this UDC should be completely invisible
- * to any USB host.
- */
-static int udc_enable(struct s3c_udc *dev)
-{
-	debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
-
-	otg_phy_init(dev);
-	reconfig_usbd();
-
-	debug_cond(DEBUG_SETUP != 0,
-		   "S3C USB 2.0 OTG Controller Core Initialized : 0x%x\n",
-		    readl(&reg->gintmsk));
-
-	dev->gadget.speed = USB_SPEED_UNKNOWN;
-
-	return 0;
-}
-
-/*
-  Register entry point for the peripheral controller driver.
-*/
-int usb_gadget_register_driver(struct usb_gadget_driver *driver)
-{
-	struct s3c_udc *dev = the_controller;
-	int retval = 0;
-	unsigned long flags;
-
-	debug_cond(DEBUG_SETUP != 0, "%s: %s\n", __func__, "no name");
-
-	if (!driver
-	    || (driver->speed != USB_SPEED_FULL
-		&& driver->speed != USB_SPEED_HIGH)
-	    || !driver->bind || !driver->disconnect || !driver->setup)
-		return -EINVAL;
-	if (!dev)
-		return -ENODEV;
-	if (dev->driver)
-		return -EBUSY;
-
-	spin_lock_irqsave(&dev->lock, flags);
-	/* first hook up the driver ... */
-	dev->driver = driver;
-	spin_unlock_irqrestore(&dev->lock, flags);
-
-	if (retval) { /* TODO */
-		printf("target device_add failed, error %d\n", retval);
-		return retval;
-	}
-
-	retval = driver->bind(&dev->gadget);
-	if (retval) {
-		debug_cond(DEBUG_SETUP != 0,
-			   "%s: bind to driver --> error %d\n",
-			    dev->gadget.name, retval);
-		dev->driver = 0;
-		return retval;
-	}
-
-	enable_irq(IRQ_OTG);
-
-	debug_cond(DEBUG_SETUP != 0,
-		   "Registered gadget driver %s\n", dev->gadget.name);
-	udc_enable(dev);
-
-	return 0;
-}
-
-/*
- * Unregister entry point for the peripheral controller driver.
- */
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
-{
-	struct s3c_udc *dev = the_controller;
-	unsigned long flags;
-
-	if (!dev)
-		return -ENODEV;
-	if (!driver || driver != dev->driver)
-		return -EINVAL;
-
-	spin_lock_irqsave(&dev->lock, flags);
-	dev->driver = 0;
-	stop_activity(dev, driver);
-	spin_unlock_irqrestore(&dev->lock, flags);
-
-	driver->unbind(&dev->gadget);
-
-	disable_irq(IRQ_OTG);
-
-	udc_disable(dev);
-	return 0;
-}
-
-/*
- *	done - retire a request; caller blocked irqs
- */
-static void done(struct s3c_ep *ep, struct s3c_request *req, int status)
-{
-	unsigned int stopped = ep->stopped;
-
-	debug("%s: %s %p, req = %p, stopped = %d\n",
-	      __func__, ep->ep.name, ep, &req->req, stopped);
-
-	list_del_init(&req->queue);
-
-	if (likely(req->req.status == -EINPROGRESS))
-		req->req.status = status;
-	else
-		status = req->req.status;
-
-	if (status && status != -ESHUTDOWN) {
-		debug("complete %s req %p stat %d len %u/%u\n",
-		      ep->ep.name, &req->req, status,
-		      req->req.actual, req->req.length);
-	}
-
-	/* don't modify queue heads during completion callback */
-	ep->stopped = 1;
-
-#ifdef DEBUG
-	printf("calling complete callback\n");
-	{
-		int i, len = req->req.length;
-
-		printf("pkt[%d] = ", req->req.length);
-		if (len > 64)
-			len = 64;
-		for (i = 0; i < len; i++) {
-			printf("%02x", ((u8 *)req->req.buf)[i]);
-			if ((i & 7) == 7)
-				printf(" ");
-		}
-		printf("\n");
-	}
-#endif
-	spin_unlock(&ep->dev->lock);
-	req->req.complete(&ep->ep, &req->req);
-	spin_lock(&ep->dev->lock);
-
-	debug("callback completed\n");
-
-	ep->stopped = stopped;
-}
-
-/*
- *	nuke - dequeue ALL requests
- */
-static void nuke(struct s3c_ep *ep, int status)
-{
-	struct s3c_request *req;
-
-	debug("%s: %s %p\n", __func__, ep->ep.name, ep);
-
-	/* called with irqs blocked */
-	while (!list_empty(&ep->queue)) {
-		req = list_entry(ep->queue.next, struct s3c_request, queue);
-		done(ep, req, status);
-	}
-}
-
-static void stop_activity(struct s3c_udc *dev,
-			  struct usb_gadget_driver *driver)
-{
-	int i;
-
-	/* don't disconnect drivers more than once */
-	if (dev->gadget.speed == USB_SPEED_UNKNOWN)
-		driver = 0;
-	dev->gadget.speed = USB_SPEED_UNKNOWN;
-
-	/* prevent new request submissions, kill any outstanding requests  */
-	for (i = 0; i < S3C_MAX_ENDPOINTS; i++) {
-		struct s3c_ep *ep = &dev->ep[i];
-		ep->stopped = 1;
-		nuke(ep, -ESHUTDOWN);
-	}
-
-	/* report disconnect; the driver is already quiesced */
-	if (driver) {
-		spin_unlock(&dev->lock);
-		driver->disconnect(&dev->gadget);
-		spin_lock(&dev->lock);
-	}
-
-	/* re-init driver-visible data structures */
-	udc_reinit(dev);
-}
-
-static void reconfig_usbd(void)
-{
-	/* 2. Soft-reset OTG Core and then unreset again. */
-	int i;
-	unsigned int uTemp = writel(CORE_SOFT_RESET, &reg->grstctl);
-
-	debug("Reseting OTG controller\n");
-
-	writel(0<<15		/* PHY Low Power Clock sel*/
-		|1<<14		/* Non-Periodic TxFIFO Rewind Enable*/
-		|0x5<<10	/* Turnaround time*/
-		|0<<9 | 0<<8	/* [0:HNP disable,1:HNP enable][ 0:SRP disable*/
-				/* 1:SRP enable] H1= 1,1*/
-		|0<<7		/* Ulpi DDR sel*/
-		|0<<6		/* 0: high speed utmi+, 1: full speed serial*/
-		|0<<4		/* 0: utmi+, 1:ulpi*/
-		|1<<3		/* phy i/f  0:8bit, 1:16bit*/
-		|0x7<<0,	/* HS/FS Timeout**/
-		&reg->gusbcfg);
-
-	/* 3. Put the OTG device core in the disconnected state.*/
-	uTemp = readl(&reg->dctl);
-	uTemp |= SOFT_DISCONNECT;
-	writel(uTemp, &reg->dctl);
-
-	udelay(20);
-
-	/* 4. Make the OTG device core exit from the disconnected state.*/
-	uTemp = readl(&reg->dctl);
-	uTemp = uTemp & ~SOFT_DISCONNECT;
-	writel(uTemp, &reg->dctl);
-
-	/* 5. Configure OTG Core to initial settings of device mode.*/
-	/* [][1: full speed(30Mhz) 0:high speed]*/
-	writel(EP_MISS_CNT(1) | DEV_SPEED_HIGH_SPEED_20, &reg->dcfg);
-
-	mdelay(1);
-
-	/* 6. Unmask the core interrupts*/
-	writel(GINTMSK_INIT, &reg->gintmsk);
-
-	/* 7. Set NAK bit of EP0, EP1, EP2*/
-	writel(DEPCTL_EPDIS|DEPCTL_SNAK, &reg->out_endp[EP0_CON].doepctl);
-	writel(DEPCTL_EPDIS|DEPCTL_SNAK, &reg->in_endp[EP0_CON].diepctl);
-
-	for (i = 1; i < S3C_MAX_ENDPOINTS; i++) {
-		writel(DEPCTL_EPDIS|DEPCTL_SNAK, &reg->out_endp[i].doepctl);
-		writel(DEPCTL_EPDIS|DEPCTL_SNAK, &reg->in_endp[i].diepctl);
-	}
-
-	/* 8. Unmask EPO interrupts*/
-	writel(((1 << EP0_CON) << DAINT_OUT_BIT)
-	       | (1 << EP0_CON), &reg->daintmsk);
-
-	/* 9. Unmask device OUT EP common interrupts*/
-	writel(DOEPMSK_INIT, &reg->doepmsk);
-
-	/* 10. Unmask device IN EP common interrupts*/
-	writel(DIEPMSK_INIT, &reg->diepmsk);
-
-	/* 11. Set Rx FIFO Size (in 32-bit words) */
-	writel(RX_FIFO_SIZE >> 2, &reg->grxfsiz);
-
-	/* 12. Set Non Periodic Tx FIFO Size */
-	writel((NPTX_FIFO_SIZE >> 2) << 16 | ((RX_FIFO_SIZE >> 2)) << 0,
-	       &reg->gnptxfsiz);
-
-	for (i = 1; i < S3C_MAX_HW_ENDPOINTS; i++)
-		writel((PTX_FIFO_SIZE >> 2) << 16 |
-		       ((RX_FIFO_SIZE + NPTX_FIFO_SIZE +
-			 PTX_FIFO_SIZE*(i-1)) >> 2) << 0,
-		       &reg->dieptxf[i-1]);
-
-	/* Flush the RX FIFO */
-	writel(RX_FIFO_FLUSH, &reg->grstctl);
-	while (readl(&reg->grstctl) & RX_FIFO_FLUSH)
-		debug("%s: waiting for S3C_UDC_OTG_GRSTCTL\n", __func__);
-
-	/* Flush all the Tx FIFO's */
-	writel(TX_FIFO_FLUSH_ALL, &reg->grstctl);
-	writel(TX_FIFO_FLUSH_ALL | TX_FIFO_FLUSH, &reg->grstctl);
-	while (readl(&reg->grstctl) & TX_FIFO_FLUSH)
-		debug("%s: waiting for S3C_UDC_OTG_GRSTCTL\n", __func__);
-
-	/* 13. Clear NAK bit of EP0, EP1, EP2*/
-	/* For Slave mode*/
-	/* EP0: Control OUT */
-	writel(DEPCTL_EPDIS | DEPCTL_CNAK,
-	       &reg->out_endp[EP0_CON].doepctl);
-
-	/* 14. Initialize OTG Link Core.*/
-	writel(GAHBCFG_INIT, &reg->gahbcfg);
-}
-
-static void set_max_pktsize(struct s3c_udc *dev, enum usb_device_speed speed)
-{
-	unsigned int ep_ctrl;
-	int i;
-
-	if (speed == USB_SPEED_HIGH) {
-		ep0_fifo_size = 64;
-		ep_fifo_size = 512;
-		ep_fifo_size2 = 1024;
-		dev->gadget.speed = USB_SPEED_HIGH;
-	} else {
-		ep0_fifo_size = 64;
-		ep_fifo_size = 64;
-		ep_fifo_size2 = 64;
-		dev->gadget.speed = USB_SPEED_FULL;
-	}
-
-	dev->ep[0].ep.maxpacket = ep0_fifo_size;
-	for (i = 1; i < S3C_MAX_ENDPOINTS; i++)
-		dev->ep[i].ep.maxpacket = ep_fifo_size;
-
-	/* EP0 - Control IN (64 bytes)*/
-	ep_ctrl = readl(&reg->in_endp[EP0_CON].diepctl);
-	writel(ep_ctrl|(0<<0), &reg->in_endp[EP0_CON].diepctl);
-
-	/* EP0 - Control OUT (64 bytes)*/
-	ep_ctrl = readl(&reg->out_endp[EP0_CON].doepctl);
-	writel(ep_ctrl|(0<<0), &reg->out_endp[EP0_CON].doepctl);
-}
-
-static int s3c_ep_enable(struct usb_ep *_ep,
-			 const struct usb_endpoint_descriptor *desc)
-{
-	struct s3c_ep *ep;
-	struct s3c_udc *dev;
-	unsigned long flags;
-
-	debug("%s: %p\n", __func__, _ep);
-
-	ep = container_of(_ep, struct s3c_ep, ep);
-	if (!_ep || !desc || ep->desc || _ep->name == ep0name
-	    || desc->bDescriptorType != USB_DT_ENDPOINT
-	    || ep->bEndpointAddress != desc->bEndpointAddress
-	    || ep_maxpacket(ep) <
-	    le16_to_cpu(get_unaligned(&desc->wMaxPacketSize))) {
-
-		debug("%s: bad ep or descriptor\n", __func__);
-		return -EINVAL;
-	}
-
-	/* xfer types must match, except that interrupt ~= bulk */
-	if (ep->bmAttributes != desc->bmAttributes
-	    && ep->bmAttributes != USB_ENDPOINT_XFER_BULK
-	    && desc->bmAttributes != USB_ENDPOINT_XFER_INT) {
-
-		debug("%s: %s type mismatch\n", __func__, _ep->name);
-		return -EINVAL;
-	}
-
-	/* hardware _could_ do smaller, but driver doesn't */
-	if ((desc->bmAttributes == USB_ENDPOINT_XFER_BULK
-	     && le16_to_cpu(get_unaligned(&desc->wMaxPacketSize)) !=
-	     ep_maxpacket(ep)) || !get_unaligned(&desc->wMaxPacketSize)) {
-
-		debug("%s: bad %s maxpacket\n", __func__, _ep->name);
-		return -ERANGE;
-	}
-
-	dev = ep->dev;
-	if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) {
-
-		debug("%s: bogus device state\n", __func__);
-		return -ESHUTDOWN;
-	}
-
-	ep->stopped = 0;
-	ep->desc = desc;
-	ep->pio_irqs = 0;
-	ep->ep.maxpacket = le16_to_cpu(get_unaligned(&desc->wMaxPacketSize));
-
-	/* Reset halt state */
-	s3c_udc_set_nak(ep);
-	s3c_udc_set_halt(_ep, 0);
-
-	spin_lock_irqsave(&ep->dev->lock, flags);
-	s3c_udc_ep_activate(ep);
-	spin_unlock_irqrestore(&ep->dev->lock, flags);
-
-	debug("%s: enabled %s, stopped = %d, maxpacket = %d\n",
-	      __func__, _ep->name, ep->stopped, ep->ep.maxpacket);
-	return 0;
-}
-
-/*
- * Disable EP
- */
-static int s3c_ep_disable(struct usb_ep *_ep)
-{
-	struct s3c_ep *ep;
-	unsigned long flags;
-
-	debug("%s: %p\n", __func__, _ep);
-
-	ep = container_of(_ep, struct s3c_ep, ep);
-	if (!_ep || !ep->desc) {
-		debug("%s: %s not enabled\n", __func__,
-		      _ep ? ep->ep.name : NULL);
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&ep->dev->lock, flags);
-
-	/* Nuke all pending requests */
-	nuke(ep, -ESHUTDOWN);
-
-	ep->desc = 0;
-	ep->stopped = 1;
-
-	spin_unlock_irqrestore(&ep->dev->lock, flags);
-
-	debug("%s: disabled %s\n", __func__, _ep->name);
-	return 0;
-}
-
-static struct usb_request *s3c_alloc_request(struct usb_ep *ep,
-					     gfp_t gfp_flags)
-{
-	struct s3c_request *req;
-
-	debug("%s: %s %p\n", __func__, ep->name, ep);
-
-	req = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*req));
-	if (!req)
-		return 0;
-
-	memset(req, 0, sizeof *req);
-	INIT_LIST_HEAD(&req->queue);
-
-	return &req->req;
-}
-
-static void s3c_free_request(struct usb_ep *ep, struct usb_request *_req)
-{
-	struct s3c_request *req;
-
-	debug("%s: %p\n", __func__, ep);
-
-	req = container_of(_req, struct s3c_request, req);
-	WARN_ON(!list_empty(&req->queue));
-	kfree(req);
-}
-
-/* dequeue JUST ONE request */
-static int s3c_dequeue(struct usb_ep *_ep, struct usb_request *_req)
-{
-	struct s3c_ep *ep;
-	struct s3c_request *req;
-	unsigned long flags;
-
-	debug("%s: %p\n", __func__, _ep);
-
-	ep = container_of(_ep, struct s3c_ep, ep);
-	if (!_ep || ep->ep.name == ep0name)
-		return -EINVAL;
-
-	spin_lock_irqsave(&ep->dev->lock, flags);
-
-	/* make sure it's actually queued on this endpoint */
-	list_for_each_entry(req, &ep->queue, queue) {
-		if (&req->req == _req)
-			break;
-	}
-	if (&req->req != _req) {
-		spin_unlock_irqrestore(&ep->dev->lock, flags);
-		return -EINVAL;
-	}
-
-	done(ep, req, -ECONNRESET);
-
-	spin_unlock_irqrestore(&ep->dev->lock, flags);
-	return 0;
-}
-
-/*
- * Return bytes in EP FIFO
- */
-static int s3c_fifo_status(struct usb_ep *_ep)
-{
-	int count = 0;
-	struct s3c_ep *ep;
-
-	ep = container_of(_ep, struct s3c_ep, ep);
-	if (!_ep) {
-		debug("%s: bad ep\n", __func__);
-		return -ENODEV;
-	}
-
-	debug("%s: %d\n", __func__, ep_index(ep));
-
-	/* LPD can't report unclaimed bytes from IN fifos */
-	if (ep_is_in(ep))
-		return -EOPNOTSUPP;
-
-	return count;
-}
-
-/*
- * Flush EP FIFO
- */
-static void s3c_fifo_flush(struct usb_ep *_ep)
-{
-	struct s3c_ep *ep;
-
-	ep = container_of(_ep, struct s3c_ep, ep);
-	if (unlikely(!_ep || (!ep->desc && ep->ep.name != ep0name))) {
-		debug("%s: bad ep\n", __func__);
-		return;
-	}
-
-	debug("%s: %d\n", __func__, ep_index(ep));
-}
-
-static const struct usb_gadget_ops s3c_udc_ops = {
-	/* current versions must always be self-powered */
-};
-
-static struct s3c_udc memory = {
-	.usb_address = 0,
-	.gadget = {
-		.ops = &s3c_udc_ops,
-		.ep0 = &memory.ep[0].ep,
-		.name = driver_name,
-	},
-
-	/* control endpoint */
-	.ep[0] = {
-		.ep = {
-			.name = ep0name,
-			.ops = &s3c_ep_ops,
-			.maxpacket = EP0_FIFO_SIZE,
-		},
-		.dev = &memory,
-
-		.bEndpointAddress = 0,
-		.bmAttributes = 0,
-
-		.ep_type = ep_control,
-	},
-
-	/* first group of endpoints */
-	.ep[1] = {
-		.ep = {
-			.name = "ep1in-bulk",
-			.ops = &s3c_ep_ops,
-			.maxpacket = EP_FIFO_SIZE,
-		},
-		.dev = &memory,
-
-		.bEndpointAddress = USB_DIR_IN | 1,
-		.bmAttributes = USB_ENDPOINT_XFER_BULK,
-
-		.ep_type = ep_bulk_out,
-		.fifo_num = 1,
-	},
-
-	.ep[2] = {
-		.ep = {
-			.name = "ep2out-bulk",
-			.ops = &s3c_ep_ops,
-			.maxpacket = EP_FIFO_SIZE,
-		},
-		.dev = &memory,
-
-		.bEndpointAddress = USB_DIR_OUT | 2,
-		.bmAttributes = USB_ENDPOINT_XFER_BULK,
-
-		.ep_type = ep_bulk_in,
-		.fifo_num = 2,
-	},
-
-	.ep[3] = {
-		.ep = {
-			.name = "ep3in-int",
-			.ops = &s3c_ep_ops,
-			.maxpacket = EP_FIFO_SIZE,
-		},
-		.dev = &memory,
-
-		.bEndpointAddress = USB_DIR_IN | 3,
-		.bmAttributes = USB_ENDPOINT_XFER_INT,
-
-		.ep_type = ep_interrupt,
-		.fifo_num = 3,
-	},
-};
-
-/*
- *	probe - binds to the platform device
- */
-
-int s3c_udc_probe(struct s3c_plat_otg_data *pdata)
-{
-	struct s3c_udc *dev = &memory;
-	int retval = 0;
-
-	debug("%s: %p\n", __func__, pdata);
-
-	dev->pdata = pdata;
-
-	phy = (struct s3c_usbotg_phy *)pdata->regs_phy;
-	reg = (struct s3c_usbotg_reg *)pdata->regs_otg;
-	usb_phy_ctrl = pdata->usb_phy_ctrl;
-
-	/* regs_otg = (void *)pdata->regs_otg; */
-
-	dev->gadget.is_dualspeed = 1;	/* Hack only*/
-	dev->gadget.is_otg = 0;
-	dev->gadget.is_a_peripheral = 0;
-	dev->gadget.b_hnp_enable = 0;
-	dev->gadget.a_hnp_support = 0;
-	dev->gadget.a_alt_hnp_support = 0;
-
-	the_controller = dev;
-
-	usb_ctrl = memalign(CONFIG_SYS_CACHELINE_SIZE,
-			    ROUND(sizeof(struct usb_ctrlrequest),
-				  CONFIG_SYS_CACHELINE_SIZE));
-	if (!usb_ctrl) {
-		error("No memory available for UDC!\n");
-		return -ENOMEM;
-	}
-
-	usb_ctrl_dma_addr = (dma_addr_t) usb_ctrl;
-
-	udc_reinit(dev);
-
-	return retval;
-}
-
-int usb_gadget_handle_interrupts()
-{
-	u32 intr_status = readl(&reg->gintsts);
-	u32 gintmsk = readl(&reg->gintmsk);
-
-	if (intr_status & gintmsk)
-		return s3c_udc_irq(1, (void *)the_controller);
-	return 0;
-}