omap: remove omap5912osk board support

Emails to the board maintainer
"Rishi Bhattacharya <rishi@ti.com>"
have been bouncing.

Tom suggested to remove this board.

Remove also omap1510_udc.c because this is the last board
to enable it.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Suggested-by: Tom Rini <trini@ti.com>

2 files changed, 0 insertions, 1507 deletions

diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 4eea907..2efd5a4 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -31,7 +31,6 @@ ifdef CONFIG_USB_DEVICE
 obj-y += core.o
 obj-y += ep0.o
 obj-$(CONFIG_DW_UDC) += designware_udc.o
-obj-$(CONFIG_OMAP1610) += omap1510_udc.o
 obj-$(CONFIG_MPC885_FAMILY) += mpc8xx_udc.o
 obj-$(CONFIG_CPU_PXA27X) += pxa27x_udc.o
 endif
diff --git a/drivers/usb/gadget/omap1510_udc.c b/drivers/usb/gadget/omap1510_udc.c
deleted file mode 100644
index 959df8c..0000000
--- a/drivers/usb/gadget/omap1510_udc.c
+++ /dev/null
@@ -1,1506 +0,0 @@
-/*
- * (C) Copyright 2003
- * Gerry Hamel, geh@ti.com, Texas Instruments
- *
- * Based on
- * linux/drivers/usb/device/bi/omap.c
- * TI OMAP1510 USB bus interface driver
- *
- * Author: MontaVista Software, Inc.
- *	   source@mvista.com
- *	   (C) Copyright 2002
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <usbdevice.h>
-#include <usb/omap1510_udc.h>
-#include <usb/udc.h>
-
-#include "ep0.h"
-
-
-#define UDC_INIT_MDELAY		     80 /* Device settle delay */
-#define UDC_MAX_ENDPOINTS	     31 /* Number of endpoints on this UDC */
-
-/* Some kind of debugging output... */
-#if 1
-#define UDCDBG(str)
-#define UDCDBGA(fmt,args...)
-#else  /* The bugs still exists... */
-#define UDCDBG(str) serial_printf("[%s] %s:%d: " str "\n", __FILE__,__FUNCTION__,__LINE__)
-#define UDCDBGA(fmt,args...) serial_printf("[%s] %s:%d: " fmt "\n", __FILE__,__FUNCTION__,__LINE__, ##args)
-#endif
-
-#if 1
-#define UDCREG(name)
-#define UDCREGL(name)
-#else  /* The bugs still exists... */
-#define UDCREG(name)	 serial_printf("%s():%d: %s[%08x]=%.4x\n",__FUNCTION__,__LINE__, (#name), name, inw(name))	/* For 16-bit regs */
-#define UDCREGL(name)	 serial_printf("%s():%d: %s[%08x]=%.8x\n",__FUNCTION__,__LINE__, (#name), name, inl(name))	/* For 32-bit regs */
-#endif
-
-
-static struct urb *ep0_urb = NULL;
-
-static struct usb_device_instance *udc_device;	/* Used in interrupt handler */
-static u16 udc_devstat = 0;	/* UDC status (DEVSTAT) */
-static u32 udc_interrupts = 0;
-
-static void udc_stall_ep (unsigned int ep_addr);
-
-
-static struct usb_endpoint_instance *omap1510_find_ep (int ep)
-{
-	int i;
-
-	for (i = 0; i < udc_device->bus->max_endpoints; i++) {
-		if (udc_device->bus->endpoint_array[i].endpoint_address == ep)
-			return &udc_device->bus->endpoint_array[i];
-	}
-	return NULL;
-}
-
-/* ************************************************************************** */
-/* IO
- */
-
-/*
- * omap1510_prepare_endpoint_for_rx
- *
- * This function implements TRM Figure 14-11.
- *
- * The endpoint to prepare for transfer is specified as a physical endpoint
- * number.  For OUT (rx) endpoints 1 through 15, the corresponding endpoint
- * configuration register is checked to see if the endpoint is ISO or not.
- * If the OUT endpoint is valid and is non-ISO then its FIFO is enabled.
- * No action is taken for endpoint 0 or for IN (tx) endpoints 16 through 30.
- */
-static void omap1510_prepare_endpoint_for_rx (int ep_addr)
-{
-	int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
-
-	UDCDBGA ("omap1510_prepare_endpoint %x", ep_addr);
-	if (((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT)) {
-		if ((inw (UDC_EP_RX (ep_num)) &
-		     (UDC_EPn_RX_Valid | UDC_EPn_RX_Iso)) ==
-		    UDC_EPn_RX_Valid) {
-			/* rx endpoint is valid, non-ISO, so enable its FIFO */
-			outw (UDC_EP_Sel | ep_num, UDC_EP_NUM);
-			outw (UDC_Set_FIFO_En, UDC_CTRL);
-			outw (0, UDC_EP_NUM);
-		}
-	}
-}
-
-/* omap1510_configure_endpoints
- *
- * This function implements TRM Figure 14-10.
- */
-static void omap1510_configure_endpoints (struct usb_device_instance *device)
-{
-	int ep;
-	struct usb_bus_instance *bus;
-	struct usb_endpoint_instance *endpoint;
-	unsigned short ep_ptr;
-	unsigned short ep_size;
-	unsigned short ep_isoc;
-	unsigned short ep_doublebuffer;
-	int ep_addr;
-	int packet_size;
-	int buffer_size;
-	int attributes;
-
-	bus = device->bus;
-
-	/* There is a dedicated 2048 byte buffer for USB packets that may be
-	 * arbitrarily partitioned among the endpoints on 8-byte boundaries.
-	 * The first 8 bytes are reserved for receiving setup packets on
-	 * endpoint 0.
-	 */
-	ep_ptr = 8;		/* reserve the first 8 bytes for the setup fifo */
-
-	for (ep = 0; ep < bus->max_endpoints; ep++) {
-		endpoint = bus->endpoint_array + ep;
-		ep_addr = endpoint->endpoint_address;
-		if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
-			/* IN endpoint */
-			packet_size = endpoint->tx_packetSize;
-			attributes = endpoint->tx_attributes;
-		} else {
-			/* OUT endpoint */
-			packet_size = endpoint->rcv_packetSize;
-			attributes = endpoint->rcv_attributes;
-		}
-
-		switch (packet_size) {
-		case 0:
-			ep_size = 0;
-			break;
-		case 8:
-			ep_size = 0;
-			break;
-		case 16:
-			ep_size = 1;
-			break;
-		case 32:
-			ep_size = 2;
-			break;
-		case 64:
-			ep_size = 3;
-			break;
-		case 128:
-			ep_size = 4;
-			break;
-		case 256:
-			ep_size = 5;
-			break;
-		case 512:
-			ep_size = 6;
-			break;
-		default:
-			UDCDBGA ("ep 0x%02x has bad packet size %d",
-				 ep_addr, packet_size);
-			packet_size = 0;
-			ep_size = 0;
-			break;
-		}
-
-		switch (attributes & USB_ENDPOINT_XFERTYPE_MASK) {
-		case USB_ENDPOINT_XFER_CONTROL:
-		case USB_ENDPOINT_XFER_BULK:
-		case USB_ENDPOINT_XFER_INT:
-		default:
-			/* A non-isochronous endpoint may optionally be
-			 * double-buffered. For now we disable
-			 * double-buffering.
-			 */
-			ep_doublebuffer = 0;
-			ep_isoc = 0;
-			if (packet_size > 64)
-				packet_size = 0;
-			if (!ep || !ep_doublebuffer)
-				buffer_size = packet_size;
-			else
-				buffer_size = packet_size * 2;
-			break;
-		case USB_ENDPOINT_XFER_ISOC:
-			/* Isochronous endpoints are always double-
-			 * buffered, but the double-buffering bit
-			 * in the endpoint configuration register
-			 * becomes the msb of the endpoint size so we
-			 * set the double-buffering flag to zero.
-			 */
-			ep_doublebuffer = 0;
-			ep_isoc = 1;
-			buffer_size = packet_size * 2;
-			break;
-		}
-
-		/* check to see if our packet buffer RAM is exhausted */
-		if ((ep_ptr + buffer_size) > 2048) {
-			UDCDBGA ("out of packet RAM for ep 0x%02x buf size %d", ep_addr, buffer_size);
-			buffer_size = packet_size = 0;
-		}
-
-		/* force a default configuration for endpoint 0 since it is
-		 * always enabled
-		 */
-		if (!ep && ((packet_size < 8) || (packet_size > 64))) {
-			buffer_size = packet_size = 64;
-			ep_size = 3;
-		}
-
-		if (!ep) {
-			/* configure endpoint 0 */
-			outw ((ep_size << 12) | (ep_ptr >> 3), UDC_EP0);
-			/*UDCDBGA("ep 0 buffer offset 0x%03x packet size 0x%03x", */
-			/*	ep_ptr, packet_size); */
-		} else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
-			/* IN endpoint */
-			if (packet_size) {
-				outw ((1 << 15) | (ep_doublebuffer << 14) |
-				      (ep_size << 12) | (ep_isoc << 11) |
-				      (ep_ptr >> 3),
-				      UDC_EP_TX (ep_addr &
-						 USB_ENDPOINT_NUMBER_MASK));
-				UDCDBGA ("IN ep %d buffer offset 0x%03x"
-					 " packet size 0x%03x",
-					 ep_addr & USB_ENDPOINT_NUMBER_MASK,
-					 ep_ptr, packet_size);
-			} else {
-				outw (0,
-				      UDC_EP_TX (ep_addr &
-						 USB_ENDPOINT_NUMBER_MASK));
-			}
-		} else {
-			/* OUT endpoint */
-			if (packet_size) {
-				outw ((1 << 15) | (ep_doublebuffer << 14) |
-				      (ep_size << 12) | (ep_isoc << 11) |
-				      (ep_ptr >> 3),
-				      UDC_EP_RX (ep_addr &
-						 USB_ENDPOINT_NUMBER_MASK));
-				UDCDBGA ("OUT ep %d buffer offset 0x%03x"
-					 " packet size 0x%03x",
-					 ep_addr & USB_ENDPOINT_NUMBER_MASK,
-					 ep_ptr, packet_size);
-			} else {
-				outw (0,
-				      UDC_EP_RX (ep_addr &
-						 USB_ENDPOINT_NUMBER_MASK));
-			}
-		}
-		ep_ptr += buffer_size;
-	}
-}
-
-/* omap1510_deconfigure_device
- *
- * This function balances omap1510_configure_device.
- */
-static void omap1510_deconfigure_device (void)
-{
-	int epnum;
-
-	UDCDBG ("clear Cfg_Lock");
-	outw (inw (UDC_SYSCON1) & ~UDC_Cfg_Lock, UDC_SYSCON1);
-	UDCREG (UDC_SYSCON1);
-
-	/* deconfigure all endpoints */
-	for (epnum = 1; epnum <= 15; epnum++) {
-		outw (0, UDC_EP_RX (epnum));
-		outw (0, UDC_EP_TX (epnum));
-	}
-}
-
-/* omap1510_configure_device
- *
- * This function implements TRM Figure 14-9.
- */
-static void omap1510_configure_device (struct usb_device_instance *device)
-{
-	omap1510_configure_endpoints (device);
-
-
-	/* Figure 14-9 indicates we should enable interrupts here, but we have
-	 * other routines (udc_all_interrupts, udc_suspended_interrupts) to
-	 * do that.
-	 */
-
-	UDCDBG ("set Cfg_Lock");
-	outw (inw (UDC_SYSCON1) | UDC_Cfg_Lock, UDC_SYSCON1);
-	UDCREG (UDC_SYSCON1);
-}
-
-/* omap1510_write_noniso_tx_fifo
- *
- * This function implements TRM Figure 14-30.
- *
- * If the endpoint has an active tx_urb, then the next packet of data from the
- * URB is written to the tx FIFO.  The total amount of data in the urb is given
- * by urb->actual_length.  The maximum amount of data that can be sent in any
- * one packet is given by endpoint->tx_packetSize.  The number of data bytes
- * from this URB that have already been transmitted is given by endpoint->sent.
- * endpoint->last is updated by this routine with the number of data bytes
- * transmitted in this packet.
- *
- * In accordance with Figure 14-30, the EP_NUM register must already have been
- * written with the value to select the appropriate tx FIFO before this routine
- * is called.
- */
-static void omap1510_write_noniso_tx_fifo (struct usb_endpoint_instance
-					   *endpoint)
-{
-	struct urb *urb = endpoint->tx_urb;
-
-	if (urb) {
-		unsigned int last, i;
-
-		UDCDBGA ("urb->buffer %p, buffer_length %d, actual_length %d",
-			 urb->buffer, urb->buffer_length, urb->actual_length);
-		if ((last =
-		     MIN (urb->actual_length - endpoint->sent,
-			  endpoint->tx_packetSize))) {
-			u8 *cp = urb->buffer + endpoint->sent;
-
-			UDCDBGA ("endpoint->sent %d, tx_packetSize %d, last %d", endpoint->sent, endpoint->tx_packetSize, last);
-
-			if (((u32) cp & 1) == 0) {	/* word aligned? */
-				outsw (UDC_DATA, cp, last >> 1);
-			} else {	/* byte aligned. */
-				for (i = 0; i < (last >> 1); i++) {
-					u16 w = ((u16) cp[2 * i + 1] << 8) |
-						(u16) cp[2 * i];
-					outw (w, UDC_DATA);
-				}
-			}
-			if (last & 1) {
-				outb (*(cp + last - 1), UDC_DATA);
-			}
-		}
-		endpoint->last = last;
-	}
-}
-
-/* omap1510_read_noniso_rx_fifo
- *
- * This function implements TRM Figure 14-28.
- *
- * If the endpoint has an active rcv_urb, then the next packet of data is read
- * from the rcv FIFO and written to rcv_urb->buffer at offset
- * rcv_urb->actual_length to append the packet data to the data from any
- * previous packets for this transfer.	We assume that there is sufficient room
- * left in the buffer to hold an entire packet of data.
- *
- * The return value is the number of bytes read from the FIFO for this packet.
- *
- * In accordance with Figure 14-28, the EP_NUM register must already have been
- * written with the value to select the appropriate rcv FIFO before this routine
- * is called.
- */
-static int omap1510_read_noniso_rx_fifo (struct usb_endpoint_instance
-					 *endpoint)
-{
-	struct urb *urb = endpoint->rcv_urb;
-	int len = 0;
-
-	if (urb) {
-		len = inw (UDC_RXFSTAT);
-
-		if (len) {
-			unsigned char *cp = urb->buffer + urb->actual_length;
-
-			insw (UDC_DATA, cp, len >> 1);
-			if (len & 1)
-				*(cp + len - 1) = inb (UDC_DATA);
-		}
-	}
-	return len;
-}
-
-/* omap1510_prepare_for_control_write_status
- *
- * This function implements TRM Figure 14-17.
- *
- * We have to deal here with non-autodecoded control writes that haven't already
- * been dealt with by ep0_recv_setup.  The non-autodecoded standard control
- * write requests are:	set/clear endpoint feature, set configuration, set
- * interface, and set descriptor.  ep0_recv_setup handles set/clear requests for
- * ENDPOINT_HALT by halting the endpoint for a set request and resetting the
- * endpoint for a clear request.  ep0_recv_setup returns an error for
- * SET_DESCRIPTOR requests which causes them to be terminated with a stall by
- * the setup handler.  A SET_INTERFACE request is handled by ep0_recv_setup by
- * generating a DEVICE_SET_INTERFACE event.  This leaves only the
- * SET_CONFIGURATION event for us to deal with here.
- *
- */
-static void omap1510_prepare_for_control_write_status (struct urb *urb)
-{
-	struct usb_device_request *request = &urb->device_request;;
-
-	/* check for a SET_CONFIGURATION request */
-	if (request->bRequest == USB_REQ_SET_CONFIGURATION) {
-		int configuration = le16_to_cpu (request->wValue) & 0xff;
-		unsigned short devstat = inw (UDC_DEVSTAT);
-
-		if ((devstat & (UDC_ADD | UDC_CFG)) == UDC_ADD) {
-			/* device is currently in ADDRESSED state */
-			if (configuration) {
-				/* Assume the specified non-zero configuration
-				 * value is valid and switch to the CONFIGURED
-				 * state.
-				 */
-				outw (UDC_Dev_Cfg, UDC_SYSCON2);
-			}
-		} else if ((devstat & UDC_CFG) == UDC_CFG) {
-			/* device is currently in CONFIGURED state */
-			if (!configuration) {
-				/* Switch to ADDRESSED state. */
-				outw (UDC_Clr_Cfg, UDC_SYSCON2);
-			}
-		}
-	}
-
-	/* select EP0 tx FIFO */
-	outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
-	/* clear endpoint (no data bytes in status stage) */
-	outw (UDC_Clr_EP, UDC_CTRL);
-	/* enable the EP0 tx FIFO */
-	outw (UDC_Set_FIFO_En, UDC_CTRL);
-	/* deselect the endpoint */
-	outw (UDC_EP_Dir, UDC_EP_NUM);
-}
-
-/* udc_state_transition_up
- * udc_state_transition_down
- *
- * Helper functions to implement device state changes.	The device states and
- * the events that transition between them are:
- *
- *				STATE_ATTACHED
- *				||	/\
- *				\/	||
- *	DEVICE_HUB_CONFIGURED			DEVICE_HUB_RESET
- *				||	/\
- *				\/	||
- *				STATE_POWERED
- *				||	/\
- *				\/	||
- *	DEVICE_RESET				DEVICE_POWER_INTERRUPTION
- *				||	/\
- *				\/	||
- *				STATE_DEFAULT
- *				||	/\
- *				\/	||
- *	DEVICE_ADDRESS_ASSIGNED			DEVICE_RESET
- *				||	/\
- *				\/	||
- *				STATE_ADDRESSED
- *				||	/\
- *				\/	||
- *	DEVICE_CONFIGURED			DEVICE_DE_CONFIGURED
- *				||	/\
- *				\/	||
- *				STATE_CONFIGURED
- *
- * udc_state_transition_up transitions up (in the direction from STATE_ATTACHED
- * to STATE_CONFIGURED) from the specified initial state to the specified final
- * state, passing through each intermediate state on the way.  If the initial
- * state is at or above (i.e. nearer to STATE_CONFIGURED) the final state, then
- * no state transitions will take place.
- *
- * udc_state_transition_down transitions down (in the direction from
- * STATE_CONFIGURED to STATE_ATTACHED) from the specified initial state to the
- * specified final state, passing through each intermediate state on the way.
- * If the initial state is at or below (i.e. nearer to STATE_ATTACHED) the final
- * state, then no state transitions will take place.
- *
- * These functions must only be called with interrupts disabled.
- */
-static void udc_state_transition_up (usb_device_state_t initial,
-				     usb_device_state_t final)
-{
-	if (initial < final) {
-		switch (initial) {
-		case STATE_ATTACHED:
-			usbd_device_event_irq (udc_device,
-					       DEVICE_HUB_CONFIGURED, 0);
-			if (final == STATE_POWERED)
-				break;
-		case STATE_POWERED:
-			usbd_device_event_irq (udc_device, DEVICE_RESET, 0);
-			if (final == STATE_DEFAULT)
-				break;
-		case STATE_DEFAULT:
-			usbd_device_event_irq (udc_device,
-					       DEVICE_ADDRESS_ASSIGNED, 0);
-			if (final == STATE_ADDRESSED)
-				break;
-		case STATE_ADDRESSED:
-			usbd_device_event_irq (udc_device, DEVICE_CONFIGURED,
-					       0);
-		case STATE_CONFIGURED:
-			break;
-		default:
-			break;
-		}
-	}
-}
-
-static void udc_state_transition_down (usb_device_state_t initial,
-				       usb_device_state_t final)
-{
-	if (initial > final) {
-		switch (initial) {
-		case STATE_CONFIGURED:
-			usbd_device_event_irq (udc_device, DEVICE_DE_CONFIGURED, 0);
-			if (final == STATE_ADDRESSED)
-				break;
-		case STATE_ADDRESSED:
-			usbd_device_event_irq (udc_device, DEVICE_RESET, 0);
-			if (final == STATE_DEFAULT)
-				break;
-		case STATE_DEFAULT:
-			usbd_device_event_irq (udc_device, DEVICE_POWER_INTERRUPTION, 0);
-			if (final == STATE_POWERED)
-				break;
-		case STATE_POWERED:
-			usbd_device_event_irq (udc_device, DEVICE_HUB_RESET, 0);
-		case STATE_ATTACHED:
-			break;
-		default:
-			break;
-		}
-	}
-}
-
-/* Handle all device state changes.
- * This function implements TRM Figure 14-21.
- */
-static void omap1510_udc_state_changed (void)
-{
-	u16 bits;
-	u16 devstat = inw (UDC_DEVSTAT);
-
-	UDCDBGA ("state changed, devstat %x, old %x", devstat, udc_devstat);
-
-	bits = devstat ^ udc_devstat;
-	if (bits) {
-		if (bits & UDC_ATT) {
-			if (devstat & UDC_ATT) {
-				UDCDBG ("device attached and powered");
-				udc_state_transition_up (udc_device->device_state, STATE_POWERED);
-			} else {
-				UDCDBG ("device detached or unpowered");
-				udc_state_transition_down (udc_device->device_state, STATE_ATTACHED);
-			}
-		}
-		if (bits & UDC_USB_Reset) {
-			if (devstat & UDC_USB_Reset) {
-				UDCDBG ("device reset in progess");
-				udc_state_transition_down (udc_device->device_state, STATE_POWERED);
-			} else {
-				UDCDBG ("device reset completed");
-			}
-		}
-		if (bits & UDC_DEF) {
-			if (devstat & UDC_DEF) {
-				UDCDBG ("device entering default state");
-				udc_state_transition_up (udc_device->device_state, STATE_DEFAULT);
-			} else {
-				UDCDBG ("device leaving default state");
-				udc_state_transition_down (udc_device->device_state, STATE_POWERED);
-			}
-		}
-		if (bits & UDC_SUS) {
-			if (devstat & UDC_SUS) {
-				UDCDBG ("entering suspended state");
-				usbd_device_event_irq (udc_device, DEVICE_BUS_INACTIVE, 0);
-			} else {
-				UDCDBG ("leaving suspended state");
-				usbd_device_event_irq (udc_device, DEVICE_BUS_ACTIVITY, 0);
-			}
-		}
-		if (bits & UDC_R_WK_OK) {
-			UDCDBGA ("remote wakeup %s", (devstat & UDC_R_WK_OK)
-				 ? "enabled" : "disabled");
-		}
-		if (bits & UDC_ADD) {
-			if (devstat & UDC_ADD) {
-				UDCDBG ("default -> addressed");
-				udc_state_transition_up (udc_device->device_state, STATE_ADDRESSED);
-			} else {
-				UDCDBG ("addressed -> default");
-				udc_state_transition_down (udc_device->device_state, STATE_DEFAULT);
-			}
-		}
-		if (bits & UDC_CFG) {
-			if (devstat & UDC_CFG) {
-				UDCDBG ("device configured");
-				/* The ep0_recv_setup function generates the
-				 * DEVICE_CONFIGURED event when a
-				 * USB_REQ_SET_CONFIGURATION setup packet is
-				 * received, so we should already be in the
-				 * state STATE_CONFIGURED.
-				 */
-				udc_state_transition_up (udc_device->device_state, STATE_CONFIGURED);
-			} else {
-				UDCDBG ("device deconfigured");
-				udc_state_transition_down (udc_device->device_state, STATE_ADDRESSED);
-			}
-		}
-	}
-
-	/* Clear interrupt source */
-	outw (UDC_DS_Chg, UDC_IRQ_SRC);
-
-	/* Save current DEVSTAT */
-	udc_devstat = devstat;
-}
-
-/* Handle SETUP USB interrupt.
- * This function implements TRM Figure 14-14.
- */
-static void omap1510_udc_setup (struct usb_endpoint_instance *endpoint)
-{
-	UDCDBG ("-> Entering device setup");
-
-	do {
-		const int setup_pktsize = 8;
-		unsigned char *datap =
-			(unsigned char *) &ep0_urb->device_request;
-
-		/* Gain access to EP 0 setup FIFO */
-		outw (UDC_Setup_Sel, UDC_EP_NUM);
-
-		/* Read control request data */
-		insb (UDC_DATA, datap, setup_pktsize);
-
-		UDCDBGA ("EP0 setup read [%x %x %x %x %x %x %x %x]",
-			 *(datap + 0), *(datap + 1), *(datap + 2),
-			 *(datap + 3), *(datap + 4), *(datap + 5),
-			 *(datap + 6), *(datap + 7));
-
-		/* Reset EP0 setup FIFO */
-		outw (0, UDC_EP_NUM);
-	} while (inw (UDC_IRQ_SRC) & UDC_Setup);
-
-	/* Try to process setup packet */
-	if (ep0_recv_setup (ep0_urb)) {
-		/* Not a setup packet, stall next EP0 transaction */
-		udc_stall_ep (0);
-		UDCDBG ("can't parse setup packet, still waiting for setup");
-		return;
-	}
-
-	/* Check direction */
-	if ((ep0_urb->device_request.bmRequestType & USB_REQ_DIRECTION_MASK)
-	    == USB_REQ_HOST2DEVICE) {
-		UDCDBG ("control write on EP0");
-		if (le16_to_cpu (ep0_urb->device_request.wLength)) {
-			/* We don't support control write data stages.
-			 * The only standard control write request with a data
-			 * stage is SET_DESCRIPTOR, and ep0_recv_setup doesn't
-			 * support that so we just stall those requests.  A
-			 * function driver might support a non-standard
-			 * write request with a data stage, but it isn't
-			 * obvious what we would do with the data if we read it
-			 * so we'll just stall it.  It seems like the API isn't
-			 * quite right here.
-			 */
-#if 0
-			/* Here is what we would do if we did support control
-			 * write data stages.
-			 */
-			ep0_urb->actual_length = 0;
-			outw (0, UDC_EP_NUM);
-			/* enable the EP0 rx FIFO */
-			outw (UDC_Set_FIFO_En, UDC_CTRL);
-#else
-			/* Stall this request */
-			UDCDBG ("Stalling unsupported EP0 control write data "
-				"stage.");
-			udc_stall_ep (0);
-#endif
-		} else {
-			omap1510_prepare_for_control_write_status (ep0_urb);
-		}
-	} else {
-		UDCDBG ("control read on EP0");
-		/* The ep0_recv_setup function has already placed our response
-		 * packet data in ep0_urb->buffer and the packet length in
-		 * ep0_urb->actual_length.
-		 */
-		endpoint->tx_urb = ep0_urb;
-		endpoint->sent = 0;
-		/* select the EP0 tx FIFO */
-		outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
-		/* Write packet data to the FIFO.  omap1510_write_noniso_tx_fifo
-		 * will update endpoint->last with the number of bytes written
-		 * to the FIFO.
-		 */
-		omap1510_write_noniso_tx_fifo (endpoint);
-		/* enable the FIFO to start the packet transmission */
-		outw (UDC_Set_FIFO_En, UDC_CTRL);
-		/* deselect the EP0 tx FIFO */
-		outw (UDC_EP_Dir, UDC_EP_NUM);
-	}
-
-	UDCDBG ("<- Leaving device setup");
-}
-
-/* Handle endpoint 0 RX interrupt
- * This routine implements TRM Figure 14-16.
- */
-static void omap1510_udc_ep0_rx (struct usb_endpoint_instance *endpoint)
-{
-	unsigned short status;
-
-	UDCDBG ("RX on EP0");
-	/* select EP0 rx FIFO */
-	outw (UDC_EP_Sel, UDC_EP_NUM);
-
-	status = inw (UDC_STAT_FLG);
-
-	if (status & UDC_ACK) {
-		/* Check direction */
-		if ((ep0_urb->device_request.bmRequestType
-		     & USB_REQ_DIRECTION_MASK) == USB_REQ_HOST2DEVICE) {
-			/* This rx interrupt must be for a control write data
-			 * stage packet.
-			 *
-			 * We don't support control write data stages.
-			 * We should never end up here.
-			 */
-
-			/* clear the EP0 rx FIFO */
-			outw (UDC_Clr_EP, UDC_CTRL);
-
-			/* deselect the EP0 rx FIFO */
-			outw (0, UDC_EP_NUM);
-
-			UDCDBG ("Stalling unexpected EP0 control write "
-				"data stage packet");
-			udc_stall_ep (0);
-		} else {
-			/* This rx interrupt must be for a control read status
-			 * stage packet.
-			 */
-			UDCDBG ("ACK on EP0 control read status stage packet");
-			/* deselect EP0 rx FIFO */
-			outw (0, UDC_EP_NUM);
-		}
-	} else if (status & UDC_STALL) {
-		UDCDBG ("EP0 stall during RX");
-		/* deselect EP0 rx FIFO */
-		outw (0, UDC_EP_NUM);
-	} else {
-		/* deselect EP0 rx FIFO */
-		outw (0, UDC_EP_NUM);
-	}
-}
-
-/* Handle endpoint 0 TX interrupt
- * This routine implements TRM Figure 14-18.
- */
-static void omap1510_udc_ep0_tx (struct usb_endpoint_instance *endpoint)
-{
-	unsigned short status;
-	struct usb_device_request *request = &ep0_urb->device_request;
-
-	UDCDBG ("TX on EP0");
-	/* select EP0 TX FIFO */
-	outw (UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
-
-	status = inw (UDC_STAT_FLG);
-	if (status & UDC_ACK) {
-		/* Check direction */
-		if ((request->bmRequestType & USB_REQ_DIRECTION_MASK) ==
-		    USB_REQ_HOST2DEVICE) {
-			/* This tx interrupt must be for a control write status
-			 * stage packet.
-			 */
-			UDCDBG ("ACK on EP0 control write status stage packet");
-			/* deselect EP0 TX FIFO */
-			outw (UDC_EP_Dir, UDC_EP_NUM);
-		} else {
-			/* This tx interrupt must be for a control read data
-			 * stage packet.
-			 */
-			int wLength = le16_to_cpu (request->wLength);
-
-			/* Update our count of bytes sent so far in this
-			 * transfer.
-			 */
-			endpoint->sent += endpoint->last;
-
-			/* We are finished with this transfer if we have sent
-			 * all of the bytes in our tx urb (urb->actual_length)
-			 * unless we need a zero-length terminating packet.  We
-			 * need a zero-length terminating packet if we returned
-			 * fewer bytes than were requested (wLength) by the host,
-			 * and the number of bytes we returned is an exact
-			 * multiple of the packet size endpoint->tx_packetSize.
-			 */
-			if ((endpoint->sent == ep0_urb->actual_length)
-			    && ((ep0_urb->actual_length == wLength)
-				|| (endpoint->last !=
-				    endpoint->tx_packetSize))) {
-				/* Done with control read data stage. */
-				UDCDBG ("control read data stage complete");
-				/* deselect EP0 TX FIFO */
-				outw (UDC_EP_Dir, UDC_EP_NUM);
-				/* select EP0 RX FIFO to prepare for control
-				 * read status stage.
-				 */
-				outw (UDC_EP_Sel, UDC_EP_NUM);
-				/* clear the EP0 RX FIFO */
-				outw (UDC_Clr_EP, UDC_CTRL);
-				/* enable the EP0 RX FIFO */
-				outw (UDC_Set_FIFO_En, UDC_CTRL);
-				/* deselect the EP0 RX FIFO */
-				outw (0, UDC_EP_NUM);
-			} else {
-				/* We still have another packet of data to send
-				 * in this control read data stage or else we
-				 * need a zero-length terminating packet.
-				 */
-				UDCDBG ("ACK control read data stage packet");
-				omap1510_write_noniso_tx_fifo (endpoint);
-				/* enable the EP0 tx FIFO to start transmission */
-				outw (UDC_Set_FIFO_En, UDC_CTRL);
-				/* deselect EP0 TX FIFO */
-				outw (UDC_EP_Dir, UDC_EP_NUM);
-			}
-		}
-	} else if (status & UDC_STALL) {
-		UDCDBG ("EP0 stall during TX");
-		/* deselect EP0 TX FIFO */
-		outw (UDC_EP_Dir, UDC_EP_NUM);
-	} else {
-		/* deselect EP0 TX FIFO */
-		outw (UDC_EP_Dir, UDC_EP_NUM);
-	}
-}
-
-/* Handle RX transaction on non-ISO endpoint.
- * This function implements TRM Figure 14-27.
- * The ep argument is a physical endpoint number for a non-ISO OUT endpoint
- * in the range 1 to 15.
- */
-static void omap1510_udc_epn_rx (int ep)
-{
-	unsigned short status;
-
-	/* Check endpoint status */
-	status = inw (UDC_STAT_FLG);
-
-	if (status & UDC_ACK) {
-		int nbytes;
-		struct usb_endpoint_instance *endpoint =
-			omap1510_find_ep (ep);
-
-		nbytes = omap1510_read_noniso_rx_fifo (endpoint);
-		usbd_rcv_complete (endpoint, nbytes, 0);
-
-		/* enable rx FIFO to prepare for next packet */
-		outw (UDC_Set_FIFO_En, UDC_CTRL);
-	} else if (status & UDC_STALL) {
-		UDCDBGA ("STALL on RX endpoint %d", ep);
-	} else if (status & UDC_NAK) {
-		UDCDBGA ("NAK on RX ep %d", ep);
-	} else {
-		serial_printf ("omap-bi: RX on ep %d with status %x", ep,
-			       status);
-	}
-}
-
-/* Handle TX transaction on non-ISO endpoint.
- * This function implements TRM Figure 14-29.
- * The ep argument is a physical endpoint number for a non-ISO IN endpoint
- * in the range 16 to 30.
- */
-static void omap1510_udc_epn_tx (int ep)
-{
-	unsigned short status;
-
-	/*serial_printf("omap1510_udc_epn_tx( %x )\n",ep); */
-
-	/* Check endpoint status */
-	status = inw (UDC_STAT_FLG);
-
-	if (status & UDC_ACK) {
-		struct usb_endpoint_instance *endpoint =
-			omap1510_find_ep (ep);
-
-		/* We need to transmit a terminating zero-length packet now if
-		 * we have sent all of the data in this URB and the transfer
-		 * size was an exact multiple of the packet size.
-		 */
-		if (endpoint->tx_urb
-		    && (endpoint->last == endpoint->tx_packetSize)
-		    && (endpoint->tx_urb->actual_length - endpoint->sent -
-			endpoint->last == 0)) {
-			/* Prepare to transmit a zero-length packet. */
-			endpoint->sent += endpoint->last;
-			/* write 0 bytes of data to FIFO */
-			omap1510_write_noniso_tx_fifo (endpoint);
-			/* enable tx FIFO to start transmission */
-			outw (UDC_Set_FIFO_En, UDC_CTRL);
-		} else if (endpoint->tx_urb
-			   && endpoint->tx_urb->actual_length) {
-			/* retire the data that was just sent */
-			usbd_tx_complete (endpoint);
-			/* Check to see if we have more data ready to transmit
-			 * now.
-			 */
-			if (endpoint->tx_urb
-			    && endpoint->tx_urb->actual_length) {
-				/* write data to FIFO */
-				omap1510_write_noniso_tx_fifo (endpoint);
-				/* enable tx FIFO to start transmission */
-				outw (UDC_Set_FIFO_En, UDC_CTRL);
-			}
-		}
-	} else if (status & UDC_STALL) {
-		UDCDBGA ("STALL on TX endpoint %d", ep);
-	} else if (status & UDC_NAK) {
-		UDCDBGA ("NAK on TX endpoint %d", ep);
-	} else {
-		/*serial_printf("omap-bi: TX on ep %d with status %x\n", ep, status); */
-	}
-}
-
-
-/*
--------------------------------------------------------------------------------
-*/
-
-/* Handle general USB interrupts and dispatch according to type.
- * This function implements TRM Figure 14-13.
- */
-void omap1510_udc_irq (void)
-{
-	u16 irq_src = inw (UDC_IRQ_SRC);
-	int valid_irq = 0;
-
-	if (!(irq_src & ~UDC_SOF_Flg))	/* ignore SOF interrupts ) */
-		return;
-
-	UDCDBGA ("< IRQ #%d start >- %x", udc_interrupts, irq_src);
-	/*serial_printf("< IRQ #%d start >- %x\n", udc_interrupts, irq_src); */
-
-	if (irq_src & UDC_DS_Chg) {
-		/* Device status changed */
-		omap1510_udc_state_changed ();
-		valid_irq++;
-	}
-	if (irq_src & UDC_EP0_RX) {
-		/* Endpoint 0 receive */
-		outw (UDC_EP0_RX, UDC_IRQ_SRC); /* ack interrupt */
-		omap1510_udc_ep0_rx (udc_device->bus->endpoint_array + 0);
-		valid_irq++;
-	}
-	if (irq_src & UDC_EP0_TX) {
-		/* Endpoint 0 transmit */
-		outw (UDC_EP0_TX, UDC_IRQ_SRC); /* ack interrupt */
-		omap1510_udc_ep0_tx (udc_device->bus->endpoint_array + 0);
-		valid_irq++;
-	}
-	if (irq_src & UDC_Setup) {
-		/* Device setup */
-		omap1510_udc_setup (udc_device->bus->endpoint_array + 0);
-		valid_irq++;
-	}
-	/*if (!valid_irq) */
-	/*	serial_printf("unknown interrupt, IRQ_SRC %.4x\n", irq_src); */
-	UDCDBGA ("< IRQ #%d end >", udc_interrupts);
-	udc_interrupts++;
-}
-
-/* This function implements TRM Figure 14-26. */
-void omap1510_udc_noniso_irq (void)
-{
-	unsigned short epnum;
-	unsigned short irq_src = inw (UDC_IRQ_SRC);
-	int valid_irq = 0;
-
-	if (!(irq_src & (UDC_EPn_RX | UDC_EPn_TX)))
-		return;
-
-	UDCDBGA ("non-ISO IRQ, IRQ_SRC %x", inw (UDC_IRQ_SRC));
-
-	if (irq_src & UDC_EPn_RX) {	/* Endpoint N OUT transaction */
-		/* Determine the endpoint number for this interrupt */
-		epnum = (inw (UDC_EPN_STAT) & 0x0f00) >> 8;
-		UDCDBGA ("RX on ep %x", epnum);
-
-		/* acknowledge interrupt */
-		outw (UDC_EPn_RX, UDC_IRQ_SRC);
-
-		if (epnum) {
-			/* select the endpoint FIFO */
-			outw (UDC_EP_Sel | epnum, UDC_EP_NUM);
-
-			omap1510_udc_epn_rx (epnum);
-
-			/* deselect the endpoint FIFO */
-			outw (epnum, UDC_EP_NUM);
-		}
-		valid_irq++;
-	}
-	if (irq_src & UDC_EPn_TX) {	/* Endpoint N IN transaction */
-		/* Determine the endpoint number for this interrupt */
-		epnum = (inw (UDC_EPN_STAT) & 0x000f) | USB_DIR_IN;
-		UDCDBGA ("TX on ep %x", epnum);
-
-		/* acknowledge interrupt */
-		outw (UDC_EPn_TX, UDC_IRQ_SRC);
-
-		if (epnum) {
-			/* select the endpoint FIFO */
-			outw (UDC_EP_Sel | UDC_EP_Dir | epnum, UDC_EP_NUM);
-
-			omap1510_udc_epn_tx (epnum);
-
-			/* deselect the endpoint FIFO */
-			outw (UDC_EP_Dir | epnum, UDC_EP_NUM);
-		}
-		valid_irq++;
-	}
-	if (!valid_irq)
-		serial_printf (": unknown non-ISO interrupt, IRQ_SRC %.4x\n",
-			       irq_src);
-}
-
-/*
--------------------------------------------------------------------------------
-*/
-
-
-/*
- * Start of public functions.
- */
-
-/* Called to start packet transmission. */
-int udc_endpoint_write (struct usb_endpoint_instance *endpoint)
-{
-	unsigned short epnum =
-		endpoint->endpoint_address & USB_ENDPOINT_NUMBER_MASK;
-
-	UDCDBGA ("Starting transmit on ep %x", epnum);
-
-	if (endpoint->tx_urb) {
-		/* select the endpoint FIFO */
-		outw (UDC_EP_Sel | UDC_EP_Dir | epnum, UDC_EP_NUM);
-		/* write data to FIFO */
-		omap1510_write_noniso_tx_fifo (endpoint);
-		/* enable tx FIFO to start transmission */
-		outw (UDC_Set_FIFO_En, UDC_CTRL);
-		/* deselect the endpoint FIFO */
-		outw (UDC_EP_Dir | epnum, UDC_EP_NUM);
-	}
-
-	return 0;
-}
-
-/* Start to initialize h/w stuff */
-int udc_init (void)
-{
-	u16 udc_rev;
-	uchar value;
-	ulong gpio;
-	int i;
-
-	/* Let the device settle down before we start */
-	for (i = 0; i < UDC_INIT_MDELAY; i++) udelay(1000);
-
-	udc_device = NULL;
-
-	UDCDBG ("starting");
-
-	/* Check peripheral reset. Must be 1 to make sure
-	   MPU TIPB peripheral reset is inactive */
-	UDCREG (ARM_RSTCT2);
-
-	/* Set and check clock control.
-	 * We might ought to be using the clock control API to do
-	 * this instead of fiddling with the clock registers directly
-	 * here.
-	 */
-	outw ((1 << 4) | (1 << 5), CLOCK_CTRL);
-	UDCREG (CLOCK_CTRL);
-
-	/* Set and check SOFT
-	 * The below line of code has been changed to perform a
-	 * read-modify-write instead of a simple write for
-	 * configuring the SOFT_REQ register. This allows the code
-	 * to be compatible with OMAP5912 and OMAP16xx devices
-	 */
-	outw ((1 << 4) | (1 << 3) | 1 | (inw(SOFT_REQ)), SOFT_REQ);
-
-	/* Short delay to wait for DPLL */
-	udelay (1000);
-
-	/* Print banner with device revision */
-	udc_rev = inw (UDC_REV) & 0xff;
-
-#ifdef CONFIG_OMAP1610
-	printf ("USB:   TI OMAP5912 USB function module rev %d.%d\n",
-		udc_rev >> 4, udc_rev & 0xf);
-#endif
-
-	/* The VBUS_MODE bit selects whether VBUS detection is done via
-	 * software (1) or hardware (0).  When software detection is
-	 * selected, VBUS_CTRL selects whether USB is not connected (0)
-	 * or connected (1).
-	 */
-	outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_MODE, FUNC_MUX_CTRL_0);
-	outl (inl (FUNC_MUX_CTRL_0) & ~UDC_VBUS_CTRL, FUNC_MUX_CTRL_0);
-	UDCREGL (FUNC_MUX_CTRL_0);
-
-	/*
-	 * At this point, device is ready for configuration...
-	 */
-
-	UDCDBG ("disable USB interrupts");
-	outw (0, UDC_IRQ_EN);
-	UDCREG (UDC_IRQ_EN);
-
-	UDCDBG ("disable USB DMA");
-	outw (0, UDC_DMA_IRQ_EN);
-	UDCREG (UDC_DMA_IRQ_EN);
-
-	UDCDBG ("initialize SYSCON1");
-	outw (UDC_Self_Pwr | UDC_Pullup_En, UDC_SYSCON1);
-	UDCREG (UDC_SYSCON1);
-
-	return 0;
-}
-
-/* Stall endpoint */
-static void udc_stall_ep (unsigned int ep_addr)
-{
-	/*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */
-	int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
-
-	UDCDBGA ("stall ep_addr %d", ep_addr);
-
-	/* REVISIT?
-	 * The OMAP TRM section 14.2.4.2 says we must check that the FIFO
-	 * is empty before halting the endpoint.  The current implementation
-	 * doesn't check that the FIFO is empty.
-	 */
-
-	if (!ep_num) {
-		outw (UDC_Stall_Cmd, UDC_SYSCON2);
-	} else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
-		if (inw (UDC_EP_RX (ep_num)) & UDC_EPn_RX_Valid) {
-			/* we have a valid rx endpoint, so halt it */
-			outw (UDC_EP_Sel | ep_num, UDC_EP_NUM);
-			outw (UDC_Set_Halt, UDC_CTRL);
-			outw (ep_num, UDC_EP_NUM);
-		}
-	} else {
-		if (inw (UDC_EP_TX (ep_num)) & UDC_EPn_TX_Valid) {
-			/* we have a valid tx endpoint, so halt it */
-			outw (UDC_EP_Sel | UDC_EP_Dir | ep_num, UDC_EP_NUM);
-			outw (UDC_Set_Halt, UDC_CTRL);
-			outw (ep_num, UDC_EP_NUM);
-		}
-	}
-}
-
-/* Reset endpoint */
-#if 0
-static void udc_reset_ep (unsigned int ep_addr)
-{
-	/*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */
-	int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
-
-	UDCDBGA ("reset ep_addr %d", ep_addr);
-
-	if (!ep_num) {
-		/* control endpoint 0 can't be reset */
-	} else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) {
-		UDCDBGA ("UDC_EP_RX(%d) = 0x%04x", ep_num,
-			 inw (UDC_EP_RX (ep_num)));
-		if (inw (UDC_EP_RX (ep_num)) & UDC_EPn_RX_Valid) {
-			/* we have a valid rx endpoint, so reset it */
-			outw (ep_num | UDC_EP_Sel, UDC_EP_NUM);
-			outw (UDC_Reset_EP, UDC_CTRL);
-			outw (ep_num, UDC_EP_NUM);
-			UDCDBGA ("OUT endpoint %d reset", ep_num);
-		}
-	} else {
-		UDCDBGA ("UDC_EP_TX(%d) = 0x%04x", ep_num,
-			 inw (UDC_EP_TX (ep_num)));
-		/* Resetting of tx endpoints seems to be causing the USB function
-		 * module to fail, which causes problems when the driver is
-		 * uninstalled.	 We'll skip resetting tx endpoints for now until
-		 * we figure out what the problem is.
-		 */
-#if 0
-		if (inw (UDC_EP_TX (ep_num)) & UDC_EPn_TX_Valid) {
-			/* we have a valid tx endpoint, so reset it */
-			outw (ep_num | UDC_EP_Dir | UDC_EP_Sel, UDC_EP_NUM);
-			outw (UDC_Reset_EP, UDC_CTRL);
-			outw (ep_num | UDC_EP_Dir, UDC_EP_NUM);
-			UDCDBGA ("IN endpoint %d reset", ep_num);
-		}
-#endif
-	}
-}
-#endif
-
-/* ************************************************************************** */
-
-/**
- * udc_check_ep - check logical endpoint
-  *
- * Return physical endpoint number to use for this logical endpoint or zero if not valid.
- */
-#if 0
-int udc_check_ep (int logical_endpoint, int packetsize)
-{
-	if ((logical_endpoint == 0x80) ||
-	    ((logical_endpoint & 0x8f) != logical_endpoint)) {
-		return 0;
-	}
-
-	switch (packetsize) {
-	case 8:
-	case 16:
-	case 32:
-	case 64:
-	case 128:
-	case 256:
-	case 512:
-		break;
-	default:
-		return 0;
-	}
-
-	return EP_ADDR_TO_PHYS_EP (logical_endpoint);
-}
-#endif
-
-/*
- * udc_setup_ep - setup endpoint
- *
- * Associate a physical endpoint with endpoint_instance
- */
-void udc_setup_ep (struct usb_device_instance *device,
-		   unsigned int ep, struct usb_endpoint_instance *endpoint)
-{
-	UDCDBGA ("setting up endpoint addr %x", endpoint->endpoint_address);
-
-	/* This routine gets called by bi_modinit for endpoint 0 and from
-	 * bi_config for all of the other endpoints.  bi_config gets called
-	 * during the DEVICE_CREATE, DEVICE_CONFIGURED, and
-	 * DEVICE_SET_INTERFACE events.	 We need to reconfigure the OMAP packet
-	 * RAM after bi_config scans the selected device configuration and
-	 * initializes the endpoint structures, but before this routine enables
-	 * the OUT endpoint FIFOs.  Since bi_config calls this routine in a
-	 * loop for endpoints 1 through UDC_MAX_ENDPOINTS, we reconfigure our
-	 * packet RAM here when ep==1.
-	 * I really hate to do this here, but it seems like the API exported
-	 * by the USB bus interface controller driver to the usbd-bi module
-	 * isn't quite right so there is no good place to do this.
-	 */
-	if (ep == 1) {
-		omap1510_deconfigure_device ();
-		omap1510_configure_device (device);
-	}
-
-	if (endpoint && (ep < UDC_MAX_ENDPOINTS)) {
-		int ep_addr = endpoint->endpoint_address;
-
-		if (!ep_addr) {
-			/* nothing to do for endpoint 0 */
-		} else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
-			/* nothing to do for IN (tx) endpoints */
-		} else {	/* OUT (rx) endpoint */
-			if (endpoint->rcv_packetSize) {
-				/*struct urb* urb = &(urb_out_array[ep&0xFF]); */
-				/*urb->endpoint = endpoint; */
-				/*urb->device = device; */
-				/*urb->buffer_length = sizeof(urb->buffer); */
-
-				/*endpoint->rcv_urb = urb; */
-				omap1510_prepare_endpoint_for_rx (ep_addr);
-			}
-		}
-	}
-}
-
-/**
- * udc_disable_ep - disable endpoint
- * @ep:
- *
- * Disable specified endpoint
- */
-#if 0
-void udc_disable_ep (unsigned int ep_addr)
-{
-	/*int ep_addr = PHYS_EP_TO_EP_ADDR(ep); */
-	int ep_num = ep_addr & USB_ENDPOINT_NUMBER_MASK;
-	struct usb_endpoint_instance *endpoint = omap1510_find_ep (ep_addr);	/*udc_device->bus->endpoint_array + ep; */
-
-	UDCDBGA ("disable ep_addr %d", ep_addr);
-
-	if (!ep_num) {
-		/* nothing to do for endpoint 0 */ ;
-	} else if ((ep_addr & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
-		if (endpoint->tx_packetSize) {
-			/* we have a valid tx endpoint */
-			/*usbd_flush_tx(endpoint); */
-			endpoint->tx_urb = NULL;
-		}
-	} else {
-		if (endpoint->rcv_packetSize) {
-			/* we have a valid rx endpoint */
-			/*usbd_flush_rcv(endpoint); */
-			endpoint->rcv_urb = NULL;
-		}
-	}
-}
-#endif
-
-/* ************************************************************************** */
-
-/**
- * udc_connected - is the USB cable connected
- *
- * Return non-zero if cable is connected.
- */
-#if 0
-int udc_connected (void)
-{
-	return ((inw (UDC_DEVSTAT) & UDC_ATT) == UDC_ATT);
-}
-#endif
-
-/* Turn on the USB connection by enabling the pullup resistor */
-void udc_connect (void)
-{
-	UDCDBG ("connect, enable Pullup");
-	outl (0x00000018, FUNC_MUX_CTRL_D);
-}
-
-/* Turn off the USB connection by disabling the pullup resistor */
-void udc_disconnect (void)
-{
-	UDCDBG ("disconnect, disable Pullup");
-	outl (0x00000000, FUNC_MUX_CTRL_D);
-}
-
-/* ************************************************************************** */
-
-
-/*
- * udc_disable_interrupts - disable interrupts
- * switch off interrupts
- */
-#if 0
-void udc_disable_interrupts (struct usb_device_instance *device)
-{
-	UDCDBG ("disabling all interrupts");
-	outw (0, UDC_IRQ_EN);
-}
-#endif
-
-/* ************************************************************************** */
-
-/**
- * udc_ep0_packetsize - return ep0 packetsize
- */
-#if 0
-int udc_ep0_packetsize (void)
-{
-	return EP0_PACKETSIZE;
-}
-#endif
-
-/* Switch on the UDC */
-void udc_enable (struct usb_device_instance *device)
-{
-	UDCDBGA ("enable device %p, status %d", device, device->status);
-
-	/* initialize driver state variables */
-	udc_devstat = 0;
-
-	/* Save the device structure pointer */
-	udc_device = device;
-
-	/* Setup ep0 urb */
-	if (!ep0_urb) {
-		ep0_urb =
-			usbd_alloc_urb (udc_device,
-					udc_device->bus->endpoint_array);
-	} else {
-		serial_printf ("udc_enable: ep0_urb already allocated %p\n",
-			       ep0_urb);
-	}
-
-	UDCDBG ("Check clock status");
-	UDCREG (STATUS_REQ);
-
-	/* The VBUS_MODE bit selects whether VBUS detection is done via
-	 * software (1) or hardware (0).  When software detection is
-	 * selected, VBUS_CTRL selects whether USB is not connected (0)
-	 * or connected (1).
-	 */
-	outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_CTRL | UDC_VBUS_MODE,
-	      FUNC_MUX_CTRL_0);
-	UDCREGL (FUNC_MUX_CTRL_0);
-
-	omap1510_configure_device (device);
-}
-
-/* Switch off the UDC */
-void udc_disable (void)
-{
-	UDCDBG ("disable UDC");
-
-	omap1510_deconfigure_device ();
-
-	/* The VBUS_MODE bit selects whether VBUS detection is done via
-	 * software (1) or hardware (0).  When software detection is
-	 * selected, VBUS_CTRL selects whether USB is not connected (0)
-	 * or connected (1).
-	 */
-	outl (inl (FUNC_MUX_CTRL_0) | UDC_VBUS_MODE, FUNC_MUX_CTRL_0);
-	outl (inl (FUNC_MUX_CTRL_0) & ~UDC_VBUS_CTRL, FUNC_MUX_CTRL_0);
-	UDCREGL (FUNC_MUX_CTRL_0);
-
-	/* Free ep0 URB */
-	if (ep0_urb) {
-		/*usbd_dealloc_urb(ep0_urb); */
-		ep0_urb = NULL;
-	}
-
-	/* Reset device pointer.
-	 * We ought to do this here to balance the initialization of udc_device
-	 * in udc_enable, but some of our other exported functions get called
-	 * by the bus interface driver after udc_disable, so we have to hang on
-	 * to the device pointer to avoid a null pointer dereference. */
-	/* udc_device = NULL; */
-}
-
-/**
- * udc_startup - allow udc code to do any additional startup
- */
-void udc_startup_events (struct usb_device_instance *device)
-{
-	/* The DEVICE_INIT event puts the USB device in the state STATE_INIT. */
-	usbd_device_event_irq (device, DEVICE_INIT, 0);
-
-	/* The DEVICE_CREATE event puts the USB device in the state
-	 * STATE_ATTACHED.
-	 */
-	usbd_device_event_irq (device, DEVICE_CREATE, 0);
-
-	/* Some USB controller driver implementations signal
-	 * DEVICE_HUB_CONFIGURED and DEVICE_RESET events here.
-	 * DEVICE_HUB_CONFIGURED causes a transition to the state STATE_POWERED,
-	 * and DEVICE_RESET causes a transition to the state STATE_DEFAULT.
-	 * The OMAP USB client controller has the capability to detect when the
-	 * USB cable is connected to a powered USB bus via the ATT bit in the
-	 * DEVSTAT register, so we will defer the DEVICE_HUB_CONFIGURED and
-	 * DEVICE_RESET events until later.
-	 */
-
-	udc_enable (device);
-}
-
-/**
- * udc_irq - do pseudo interrupts
- */
-void udc_irq(void)
-{
-	/* Loop while we have interrupts.
-	 * If we don't do this, the input chain
-	 * polling delay is likely to miss
-	 * host requests.
-	 */
-	while (inw (UDC_IRQ_SRC) & ~UDC_SOF_Flg) {
-		/* Handle any new IRQs */
-		omap1510_udc_irq ();
-		omap1510_udc_noniso_irq ();
-	}
-}
-
-/* Flow control */
-void udc_set_nak(int epid)
-{
-	/* TODO: implement this functionality in omap1510 */
-}
-
-void udc_unset_nak (int epid)
-{
-	/* TODO: implement this functionality in omap1510 */
-}