usb: mv_udc: Rename to ci_udc

The mv_udc is not marvell-specific anymore. The mv_udc is used to drive
generic ChipIdea CI13xxx series OTG cores, so rename the driver to ci_udc
instead.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Eric Nelson <eric.nelson@boundarydevices.com>
Cc: Stefano Babic <sbabic@denx.de>

1 files changed, 0 insertions, 737 deletions

diff --git a/drivers/usb/gadget/mv_udc.c b/drivers/usb/gadget/mv_udc.c
deleted file mode 100644
index da41738653..0000000000
--- a/drivers/usb/gadget/mv_udc.c
+++ /dev/null
@@ -1,737 +0,0 @@
-/*
- * Copyright 2011, Marvell Semiconductor Inc.
- * Lei Wen <leiwen@marvell.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- *
- * Back ported to the 8xx platform (from the 8260 platform) by
- * Murray.Jensen@cmst.csiro.au, 27-Jan-01.
- */
-
-#include <common.h>
-#include <command.h>
-#include <config.h>
-#include <net.h>
-#include <malloc.h>
-#include <asm/byteorder.h>
-#include <asm/errno.h>
-#include <asm/io.h>
-#include <asm/unaligned.h>
-#include <linux/types.h>
-#include <linux/usb/ch9.h>
-#include <linux/usb/gadget.h>
-#include <usb/mv_udc.h>
-#include "../host/ehci.h"
-#include "mv_udc.h"
-
-/*
- * Check if the system has too long cachelines. If the cachelines are
- * longer then 128b, the driver will not be able flush/invalidate data
- * cache over separate QH entries. We use 128b because one QH entry is
- * 64b long and there are always two QH list entries for each endpoint.
- */
-#if ARCH_DMA_MINALIGN > 128
-#error This driver can not work on systems with caches longer than 128b
-#endif
-
-#ifndef DEBUG
-#define DBG(x...) do {} while (0)
-#else
-#define DBG(x...) printf(x)
-static const char *reqname(unsigned r)
-{
-	switch (r) {
-	case USB_REQ_GET_STATUS: return "GET_STATUS";
-	case USB_REQ_CLEAR_FEATURE: return "CLEAR_FEATURE";
-	case USB_REQ_SET_FEATURE: return "SET_FEATURE";
-	case USB_REQ_SET_ADDRESS: return "SET_ADDRESS";
-	case USB_REQ_GET_DESCRIPTOR: return "GET_DESCRIPTOR";
-	case USB_REQ_SET_DESCRIPTOR: return "SET_DESCRIPTOR";
-	case USB_REQ_GET_CONFIGURATION: return "GET_CONFIGURATION";
-	case USB_REQ_SET_CONFIGURATION: return "SET_CONFIGURATION";
-	case USB_REQ_GET_INTERFACE: return "GET_INTERFACE";
-	case USB_REQ_SET_INTERFACE: return "SET_INTERFACE";
-	default: return "*UNKNOWN*";
-	}
-}
-#endif
-
-static struct usb_endpoint_descriptor ep0_out_desc = {
-	.bLength = sizeof(struct usb_endpoint_descriptor),
-	.bDescriptorType = USB_DT_ENDPOINT,
-	.bEndpointAddress = 0,
-	.bmAttributes =	USB_ENDPOINT_XFER_CONTROL,
-};
-
-static struct usb_endpoint_descriptor ep0_in_desc = {
-	.bLength = sizeof(struct usb_endpoint_descriptor),
-	.bDescriptorType = USB_DT_ENDPOINT,
-	.bEndpointAddress = USB_DIR_IN,
-	.bmAttributes =	USB_ENDPOINT_XFER_CONTROL,
-};
-
-static int mv_pullup(struct usb_gadget *gadget, int is_on);
-static int mv_ep_enable(struct usb_ep *ep,
-		const struct usb_endpoint_descriptor *desc);
-static int mv_ep_disable(struct usb_ep *ep);
-static int mv_ep_queue(struct usb_ep *ep,
-		struct usb_request *req, gfp_t gfp_flags);
-static struct usb_request *
-mv_ep_alloc_request(struct usb_ep *ep, unsigned int gfp_flags);
-static void mv_ep_free_request(struct usb_ep *ep, struct usb_request *_req);
-
-static struct usb_gadget_ops mv_udc_ops = {
-	.pullup = mv_pullup,
-};
-
-static struct usb_ep_ops mv_ep_ops = {
-	.enable         = mv_ep_enable,
-	.disable        = mv_ep_disable,
-	.queue          = mv_ep_queue,
-	.alloc_request  = mv_ep_alloc_request,
-	.free_request   = mv_ep_free_request,
-};
-
-/* Init values for USB endpoints. */
-static const struct usb_ep mv_ep_init[2] = {
-	[0] = {	/* EP 0 */
-		.maxpacket	= 64,
-		.name		= "ep0",
-		.ops		= &mv_ep_ops,
-	},
-	[1] = {	/* EP 1..n */
-		.maxpacket	= 512,
-		.name		= "ep-",
-		.ops		= &mv_ep_ops,
-	},
-};
-
-static struct mv_drv controller = {
-	.gadget	= {
-		.name	= "mv_udc",
-		.ops	= &mv_udc_ops,
-		.is_dualspeed = 1,
-	},
-};
-
-/**
- * mv_get_qh() - return queue head for endpoint
- * @ep_num:	Endpoint number
- * @dir_in:	Direction of the endpoint (IN = 1, OUT = 0)
- *
- * This function returns the QH associated with particular endpoint
- * and it's direction.
- */
-static struct ept_queue_head *mv_get_qh(int ep_num, int dir_in)
-{
-	return &controller.epts[(ep_num * 2) + dir_in];
-}
-
-/**
- * mv_get_qtd() - return queue item for endpoint
- * @ep_num:	Endpoint number
- * @dir_in:	Direction of the endpoint (IN = 1, OUT = 0)
- *
- * This function returns the QH associated with particular endpoint
- * and it's direction.
- */
-static struct ept_queue_item *mv_get_qtd(int ep_num, int dir_in)
-{
-	return controller.items[(ep_num * 2) + dir_in];
-}
-
-/**
- * mv_flush_qh - flush cache over queue head
- * @ep_num:	Endpoint number
- *
- * This function flushes cache over QH for particular endpoint.
- */
-static void mv_flush_qh(int ep_num)
-{
-	struct ept_queue_head *head = mv_get_qh(ep_num, 0);
-	const uint32_t start = (uint32_t)head;
-	const uint32_t end = start + 2 * sizeof(*head);
-
-	flush_dcache_range(start, end);
-}
-
-/**
- * mv_invalidate_qh - invalidate cache over queue head
- * @ep_num:	Endpoint number
- *
- * This function invalidates cache over QH for particular endpoint.
- */
-static void mv_invalidate_qh(int ep_num)
-{
-	struct ept_queue_head *head = mv_get_qh(ep_num, 0);
-	uint32_t start = (uint32_t)head;
-	uint32_t end = start + 2 * sizeof(*head);
-
-	invalidate_dcache_range(start, end);
-}
-
-/**
- * mv_flush_qtd - flush cache over queue item
- * @ep_num:	Endpoint number
- *
- * This function flushes cache over qTD pair for particular endpoint.
- */
-static void mv_flush_qtd(int ep_num)
-{
-	struct ept_queue_item *item = mv_get_qtd(ep_num, 0);
-	const uint32_t start = (uint32_t)item;
-	const uint32_t end_raw = start + 2 * sizeof(*item);
-	const uint32_t end = roundup(end_raw, ARCH_DMA_MINALIGN);
-
-	flush_dcache_range(start, end);
-}
-
-/**
- * mv_invalidate_qtd - invalidate cache over queue item
- * @ep_num:	Endpoint number
- *
- * This function invalidates cache over qTD pair for particular endpoint.
- */
-static void mv_invalidate_qtd(int ep_num)
-{
-	struct ept_queue_item *item = mv_get_qtd(ep_num, 0);
-	const uint32_t start = (uint32_t)item;
-	const uint32_t end_raw = start + 2 * sizeof(*item);
-	const uint32_t end = roundup(end_raw, ARCH_DMA_MINALIGN);
-
-	invalidate_dcache_range(start, end);
-}
-
-static struct usb_request *
-mv_ep_alloc_request(struct usb_ep *ep, unsigned int gfp_flags)
-{
-	struct mv_ep *mv_ep = container_of(ep, struct mv_ep, ep);
-	return &mv_ep->req;
-}
-
-static void mv_ep_free_request(struct usb_ep *ep, struct usb_request *_req)
-{
-	return;
-}
-
-static void ep_enable(int num, int in, int maxpacket)
-{
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-	unsigned n;
-
-	n = readl(&udc->epctrl[num]);
-	if (in)
-		n |= (CTRL_TXE | CTRL_TXR | CTRL_TXT_BULK);
-	else
-		n |= (CTRL_RXE | CTRL_RXR | CTRL_RXT_BULK);
-
-	if (num != 0) {
-		struct ept_queue_head *head = mv_get_qh(num, in);
-
-		head->config = CONFIG_MAX_PKT(maxpacket) | CONFIG_ZLT;
-		mv_flush_qh(num);
-	}
-	writel(n, &udc->epctrl[num]);
-}
-
-static int mv_ep_enable(struct usb_ep *ep,
-		const struct usb_endpoint_descriptor *desc)
-{
-	struct mv_ep *mv_ep = container_of(ep, struct mv_ep, ep);
-	int num, in;
-	num = desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-	in = (desc->bEndpointAddress & USB_DIR_IN) != 0;
-	mv_ep->desc = desc;
-
-	if (num) {
-		int max = get_unaligned_le16(&desc->wMaxPacketSize);
-
-		if ((max > 64) && (controller.gadget.speed == USB_SPEED_FULL))
-			max = 64;
-		if (ep->maxpacket != max) {
-			DBG("%s: from %d to %d\n", __func__,
-			    ep->maxpacket, max);
-			ep->maxpacket = max;
-		}
-	}
-	ep_enable(num, in, ep->maxpacket);
-	DBG("%s: num=%d maxpacket=%d\n", __func__, num, ep->maxpacket);
-	return 0;
-}
-
-static int mv_ep_disable(struct usb_ep *ep)
-{
-	struct mv_ep *mv_ep = container_of(ep, struct mv_ep, ep);
-
-	mv_ep->desc = NULL;
-	return 0;
-}
-
-static int mv_bounce(struct mv_ep *ep, int in)
-{
-	uint32_t addr = (uint32_t)ep->req.buf;
-	uint32_t ba;
-
-	/* Input buffer address is not aligned. */
-	if (addr & (ARCH_DMA_MINALIGN - 1))
-		goto align;
-
-	/* Input buffer length is not aligned. */
-	if (ep->req.length & (ARCH_DMA_MINALIGN - 1))
-		goto align;
-
-	/* The buffer is well aligned, only flush cache. */
-	ep->b_len = ep->req.length;
-	ep->b_buf = ep->req.buf;
-	goto flush;
-
-align:
-	/* Use internal buffer for small payloads. */
-	if (ep->req.length <= 64) {
-		ep->b_len = 64;
-		ep->b_buf = ep->b_fast;
-	} else {
-		ep->b_len = roundup(ep->req.length, ARCH_DMA_MINALIGN);
-		ep->b_buf = memalign(ARCH_DMA_MINALIGN, ep->b_len);
-		if (!ep->b_buf)
-			return -ENOMEM;
-	}
-	if (in)
-		memcpy(ep->b_buf, ep->req.buf, ep->req.length);
-
-flush:
-	ba = (uint32_t)ep->b_buf;
-	flush_dcache_range(ba, ba + ep->b_len);
-
-	return 0;
-}
-
-static void mv_debounce(struct mv_ep *ep, int in)
-{
-	uint32_t addr = (uint32_t)ep->req.buf;
-	uint32_t ba = (uint32_t)ep->b_buf;
-
-	if (in) {
-		if (addr == ba)
-			return;		/* not a bounce */
-		goto free;
-	}
-	invalidate_dcache_range(ba, ba + ep->b_len);
-
-	if (addr == ba)
-		return;		/* not a bounce */
-
-	memcpy(ep->req.buf, ep->b_buf, ep->req.length);
-free:
-	/* Large payloads use allocated buffer, free it. */
-	if (ep->b_buf != ep->b_fast)
-		free(ep->b_buf);
-}
-
-static int mv_ep_queue(struct usb_ep *ep,
-		struct usb_request *req, gfp_t gfp_flags)
-{
-	struct mv_ep *mv_ep = container_of(ep, struct mv_ep, ep);
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-	struct ept_queue_item *item;
-	struct ept_queue_head *head;
-	int bit, num, len, in, ret;
-	num = mv_ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-	in = (mv_ep->desc->bEndpointAddress & USB_DIR_IN) != 0;
-	item = mv_get_qtd(num, in);
-	head = mv_get_qh(num, in);
-	len = req->length;
-
-	ret = mv_bounce(mv_ep, in);
-	if (ret)
-		return ret;
-
-	item->next = TERMINATE;
-	item->info = INFO_BYTES(len) | INFO_IOC | INFO_ACTIVE;
-	item->page0 = (uint32_t)mv_ep->b_buf;
-	item->page1 = ((uint32_t)mv_ep->b_buf & 0xfffff000) + 0x1000;
-	mv_flush_qtd(num);
-
-	head->next = (unsigned) item;
-	head->info = 0;
-
-	DBG("ept%d %s queue len %x, buffer %p\n",
-	    num, in ? "in" : "out", len, mv_ep->b_buf);
-	mv_flush_qh(num);
-
-	if (in)
-		bit = EPT_TX(num);
-	else
-		bit = EPT_RX(num);
-
-	writel(bit, &udc->epprime);
-
-	return 0;
-}
-
-static void handle_ep_complete(struct mv_ep *ep)
-{
-	struct ept_queue_item *item;
-	int num, in, len;
-	num = ep->desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK;
-	in = (ep->desc->bEndpointAddress & USB_DIR_IN) != 0;
-	if (num == 0)
-		ep->desc = &ep0_out_desc;
-	item = mv_get_qtd(num, in);
-	mv_invalidate_qtd(num);
-
-	if (item->info & 0xff)
-		printf("EP%d/%s FAIL info=%x pg0=%x\n",
-		       num, in ? "in" : "out", item->info, item->page0);
-
-	len = (item->info >> 16) & 0x7fff;
-	ep->req.length -= len;
-	mv_debounce(ep, in);
-
-	DBG("ept%d %s complete %x\n",
-			num, in ? "in" : "out", len);
-	ep->req.complete(&ep->ep, &ep->req);
-	if (num == 0) {
-		ep->req.length = 0;
-		usb_ep_queue(&ep->ep, &ep->req, 0);
-		ep->desc = &ep0_in_desc;
-	}
-}
-
-#define SETUP(type, request) (((type) << 8) | (request))
-
-static void handle_setup(void)
-{
-	struct usb_request *req = &controller.ep[0].req;
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-	struct ept_queue_head *head;
-	struct usb_ctrlrequest r;
-	int status = 0;
-	int num, in, _num, _in, i;
-	char *buf;
-	head = mv_get_qh(0, 0);	/* EP0 OUT */
-
-	mv_invalidate_qh(0);
-	memcpy(&r, head->setup_data, sizeof(struct usb_ctrlrequest));
-	writel(EPT_RX(0), &udc->epstat);
-	DBG("handle setup %s, %x, %x index %x value %x\n", reqname(r.bRequest),
-	    r.bRequestType, r.bRequest, r.wIndex, r.wValue);
-
-	switch (SETUP(r.bRequestType, r.bRequest)) {
-	case SETUP(USB_RECIP_ENDPOINT, USB_REQ_CLEAR_FEATURE):
-		_num = r.wIndex & 15;
-		_in = !!(r.wIndex & 0x80);
-
-		if ((r.wValue == 0) && (r.wLength == 0)) {
-			req->length = 0;
-			for (i = 0; i < NUM_ENDPOINTS; i++) {
-				struct mv_ep *ep = &controller.ep[i];
-
-				if (!ep->desc)
-					continue;
-				num = ep->desc->bEndpointAddress
-						& USB_ENDPOINT_NUMBER_MASK;
-				in = (ep->desc->bEndpointAddress
-						& USB_DIR_IN) != 0;
-				if ((num == _num) && (in == _in)) {
-					ep_enable(num, in, ep->ep.maxpacket);
-					usb_ep_queue(controller.gadget.ep0,
-							req, 0);
-					break;
-				}
-			}
-		}
-		return;
-
-	case SETUP(USB_RECIP_DEVICE, USB_REQ_SET_ADDRESS):
-		/*
-		 * write address delayed (will take effect
-		 * after the next IN txn)
-		 */
-		writel((r.wValue << 25) | (1 << 24), &udc->devaddr);
-		req->length = 0;
-		usb_ep_queue(controller.gadget.ep0, req, 0);
-		return;
-
-	case SETUP(USB_DIR_IN | USB_RECIP_DEVICE, USB_REQ_GET_STATUS):
-		req->length = 2;
-		buf = (char *)req->buf;
-		buf[0] = 1 << USB_DEVICE_SELF_POWERED;
-		buf[1] = 0;
-		usb_ep_queue(controller.gadget.ep0, req, 0);
-		return;
-	}
-	/* pass request up to the gadget driver */
-	if (controller.driver)
-		status = controller.driver->setup(&controller.gadget, &r);
-	else
-		status = -ENODEV;
-
-	if (!status)
-		return;
-	DBG("STALL reqname %s type %x value %x, index %x\n",
-	    reqname(r.bRequest), r.bRequestType, r.wValue, r.wIndex);
-	writel((1<<16) | (1 << 0), &udc->epctrl[0]);
-}
-
-static void stop_activity(void)
-{
-	int i, num, in;
-	struct ept_queue_head *head;
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-	writel(readl(&udc->epcomp), &udc->epcomp);
-	writel(readl(&udc->epstat), &udc->epstat);
-	writel(0xffffffff, &udc->epflush);
-
-	/* error out any pending reqs */
-	for (i = 0; i < NUM_ENDPOINTS; i++) {
-		if (i != 0)
-			writel(0, &udc->epctrl[i]);
-		if (controller.ep[i].desc) {
-			num = controller.ep[i].desc->bEndpointAddress
-				& USB_ENDPOINT_NUMBER_MASK;
-			in = (controller.ep[i].desc->bEndpointAddress
-				& USB_DIR_IN) != 0;
-			head = mv_get_qh(num, in);
-			head->info = INFO_ACTIVE;
-			mv_flush_qh(num);
-		}
-	}
-}
-
-void udc_irq(void)
-{
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-	unsigned n = readl(&udc->usbsts);
-	writel(n, &udc->usbsts);
-	int bit, i, num, in;
-
-	n &= (STS_SLI | STS_URI | STS_PCI | STS_UI | STS_UEI);
-	if (n == 0)
-		return;
-
-	if (n & STS_URI) {
-		DBG("-- reset --\n");
-		stop_activity();
-	}
-	if (n & STS_SLI)
-		DBG("-- suspend --\n");
-
-	if (n & STS_PCI) {
-		int max = 64;
-		int speed = USB_SPEED_FULL;
-
-		bit = (readl(&udc->portsc) >> 26) & 3;
-		DBG("-- portchange %x %s\n", bit, (bit == 2) ? "High" : "Full");
-		if (bit == 2) {
-			speed = USB_SPEED_HIGH;
-			max = 512;
-		}
-		controller.gadget.speed = speed;
-		for (i = 1; i < NUM_ENDPOINTS; i++) {
-			if (controller.ep[i].ep.maxpacket > max)
-				controller.ep[i].ep.maxpacket = max;
-		}
-	}
-
-	if (n & STS_UEI)
-		printf("<UEI %x>\n", readl(&udc->epcomp));
-
-	if ((n & STS_UI) || (n & STS_UEI)) {
-		n = readl(&udc->epstat);
-		if (n & EPT_RX(0))
-			handle_setup();
-
-		n = readl(&udc->epcomp);
-		if (n != 0)
-			writel(n, &udc->epcomp);
-
-		for (i = 0; i < NUM_ENDPOINTS && n; i++) {
-			if (controller.ep[i].desc) {
-				num = controller.ep[i].desc->bEndpointAddress
-					& USB_ENDPOINT_NUMBER_MASK;
-				in = (controller.ep[i].desc->bEndpointAddress
-						& USB_DIR_IN) != 0;
-				bit = (in) ? EPT_TX(num) : EPT_RX(num);
-				if (n & bit)
-					handle_ep_complete(&controller.ep[i]);
-			}
-		}
-	}
-}
-
-int usb_gadget_handle_interrupts(void)
-{
-	u32 value;
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-
-	value = readl(&udc->usbsts);
-	if (value)
-		udc_irq();
-
-	return value;
-}
-
-static int mv_pullup(struct usb_gadget *gadget, int is_on)
-{
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-	if (is_on) {
-		/* RESET */
-		writel(USBCMD_ITC(MICRO_8FRAME) | USBCMD_RST, &udc->usbcmd);
-		udelay(200);
-
-		writel((unsigned)controller.epts, &udc->epinitaddr);
-
-		/* select DEVICE mode */
-		writel(USBMODE_DEVICE, &udc->usbmode);
-
-		writel(0xffffffff, &udc->epflush);
-
-		/* Turn on the USB connection by enabling the pullup resistor */
-		writel(USBCMD_ITC(MICRO_8FRAME) | USBCMD_RUN, &udc->usbcmd);
-	} else {
-		stop_activity();
-		writel(USBCMD_FS2, &udc->usbcmd);
-		udelay(800);
-		if (controller.driver)
-			controller.driver->disconnect(gadget);
-	}
-
-	return 0;
-}
-
-void udc_disconnect(void)
-{
-	struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor;
-	/* disable pullup */
-	stop_activity();
-	writel(USBCMD_FS2, &udc->usbcmd);
-	udelay(800);
-	if (controller.driver)
-		controller.driver->disconnect(&controller.gadget);
-}
-
-static int mvudc_probe(void)
-{
-	struct ept_queue_head *head;
-	uint8_t *imem;
-	int i;
-
-	const int num = 2 * NUM_ENDPOINTS;
-
-	const int eplist_min_align = 4096;
-	const int eplist_align = roundup(eplist_min_align, ARCH_DMA_MINALIGN);
-	const int eplist_raw_sz = num * sizeof(struct ept_queue_head);
-	const int eplist_sz = roundup(eplist_raw_sz, ARCH_DMA_MINALIGN);
-
-	const int ilist_align = roundup(ARCH_DMA_MINALIGN, 32);
-	const int ilist_ent_raw_sz = 2 * sizeof(struct ept_queue_item);
-	const int ilist_ent_sz = roundup(ilist_ent_raw_sz, ARCH_DMA_MINALIGN);
-	const int ilist_sz = NUM_ENDPOINTS * ilist_ent_sz;
-
-	/* The QH list must be aligned to 4096 bytes. */
-	controller.epts = memalign(eplist_align, eplist_sz);
-	if (!controller.epts)
-		return -ENOMEM;
-	memset(controller.epts, 0, eplist_sz);
-
-	/*
-	 * Each qTD item must be 32-byte aligned, each qTD touple must be
-	 * cacheline aligned. There are two qTD items for each endpoint and
-	 * only one of them is used for the endpoint at time, so we can group
-	 * them together.
-	 */
-	controller.items_mem = memalign(ilist_align, ilist_sz);
-	if (!controller.items_mem) {
-		free(controller.epts);
-		return -ENOMEM;
-	}
-	memset(controller.items_mem, 0, ilist_sz);
-
-	for (i = 0; i < 2 * NUM_ENDPOINTS; i++) {
-		/*
-		 * Configure QH for each endpoint. The structure of the QH list
-		 * is such that each two subsequent fields, N and N+1 where N is
-		 * even, in the QH list represent QH for one endpoint. The Nth
-		 * entry represents OUT configuration and the N+1th entry does
-		 * represent IN configuration of the endpoint.
-		 */
-		head = controller.epts + i;
-		if (i < 2)
-			head->config = CONFIG_MAX_PKT(EP0_MAX_PACKET_SIZE)
-				| CONFIG_ZLT | CONFIG_IOS;
-		else
-			head->config = CONFIG_MAX_PKT(EP_MAX_PACKET_SIZE)
-				| CONFIG_ZLT;
-		head->next = TERMINATE;
-		head->info = 0;
-
-		imem = controller.items_mem + ((i >> 1) * ilist_ent_sz);
-		if (i & 1)
-			imem += sizeof(struct ept_queue_item);
-
-		controller.items[i] = (struct ept_queue_item *)imem;
-
-		if (i & 1) {
-			mv_flush_qh(i - 1);
-			mv_flush_qtd(i - 1);
-		}
-	}
-
-	INIT_LIST_HEAD(&controller.gadget.ep_list);
-
-	/* Init EP 0 */
-	memcpy(&controller.ep[0].ep, &mv_ep_init[0], sizeof(*mv_ep_init));
-	controller.ep[0].desc = &ep0_in_desc;
-	controller.gadget.ep0 = &controller.ep[0].ep;
-	INIT_LIST_HEAD(&controller.gadget.ep0->ep_list);
-
-	/* Init EP 1..n */
-	for (i = 1; i < NUM_ENDPOINTS; i++) {
-		memcpy(&controller.ep[i].ep, &mv_ep_init[1],
-		       sizeof(*mv_ep_init));
-		list_add_tail(&controller.ep[i].ep.ep_list,
-			      &controller.gadget.ep_list);
-	}
-
-	return 0;
-}
-
-int usb_gadget_register_driver(struct usb_gadget_driver *driver)
-{
-	struct mv_udc *udc;
-	int ret;
-
-	if (!driver)
-		return -EINVAL;
-	if (!driver->bind || !driver->setup || !driver->disconnect)
-		return -EINVAL;
-	if (driver->speed != USB_SPEED_FULL && driver->speed != USB_SPEED_HIGH)
-		return -EINVAL;
-
-	ret = usb_lowlevel_init(0, USB_INIT_DEVICE, (void **)&controller.ctrl);
-	if (ret)
-		return ret;
-
-	ret = mvudc_probe();
-	if (!ret) {
-		udc = (struct mv_udc *)controller.ctrl->hcor;
-
-		/* select ULPI phy */
-		writel(PTS(PTS_ENABLE) | PFSC, &udc->portsc);
-	}
-
-	ret = driver->bind(&controller.gadget);
-	if (ret) {
-		DBG("driver->bind() returned %d\n", ret);
-		return ret;
-	}
-	controller.driver = driver;
-
-	return 0;
-}
-
-int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
-{
-	return 0;
-}