Merge with /home/mk/git/u-boot#generic_ohci

8 files changed, 206 insertions, 2057 deletions

diff --git a/cpu/arm920t/at91rm9200/Makefile b/cpu/arm920t/at91rm9200/Makefile
index aec9cb6..f9fccbc 100644
--- a/cpu/arm920t/at91rm9200/Makefile
+++ b/cpu/arm920t/at91rm9200/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= lib$(SOC).a
 
 OBJS	= bcm5221.o dm9161.o ether.o i2c.o interrupts.o \
-	  lxt972.o serial.o usb_ohci.o
+	  lxt972.o serial.o usb.o
 SOBJS	= lowlevel_init.o
 
 all:	.depend $(LIB)
diff --git a/cpu/arm920t/at91rm9200/usb.c b/cpu/arm920t/at91rm9200/usb.c
new file mode 100644
index 0000000..98e3cdd
--- /dev/null
+++ b/cpu/arm920t/at91rm9200/usb.c
@@ -0,0 +1,53 @@
+/*
+ * (C) Copyright 2006
+ * DENX Software Engineering <mk@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT)
+# ifdef CONFIG_AT91RM9200
+
+#include <asm/arch/hardware.h>
+
+int usb_cpu_init()
+{
+	/* Enable USB host clock. */
+	*AT91C_PMC_SCER = AT91C_PMC_UHP;	/* 48MHz clock enabled for UHP */
+	*AT91C_PMC_PCER = 1 << AT91C_ID_UHP;	/* Peripheral Clock Enable Register */
+	return 0;
+}
+
+int usb_cpu_stop()
+{
+	/* Initialization failed */
+	*AT91C_PMC_PCDR = 1 << AT91C_ID_UHP;	/* Peripheral Clock Disable Register */
+	*AT91C_PMC_SCDR = AT91C_PMC_UHP;	/* 48MHz clock disabled for UHP */
+	return 0;
+}
+
+int usb_cpu_init_fail()
+{
+	usb_cpu_stop();
+}
+
+# endif /* CONFIG_AT91RM9200 */
+#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */
diff --git a/cpu/arm920t/at91rm9200/usb_ohci.c b/cpu/arm920t/at91rm9200/usb_ohci.c
deleted file mode 100644
index 5b2c56c..0000000
--- a/cpu/arm920t/at91rm9200/usb_ohci.c
+++ /dev/null
@@ -1,1635 +0,0 @@
-/*
- * URB OHCI HCD (Host Controller Driver) for USB on the AT91RM9200.
- *
- * (C) Copyright 2003
- * Gary Jennejohn, DENX Software Engineering <gj@denx.de>
- *
- * Note: Much of this code has been derived from Linux 2.4
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2002 David Brownell
- *
- * Modified for the MP2USB by (C) Copyright 2005 Eric Benard
- * ebenard@eukrea.com - based on s3c24x0's driver
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- */
-/*
- * IMPORTANT NOTES
- * 1 - you MUST define LITTLEENDIAN in the configuration file for the
- *     board or this driver will NOT work!
- * 2 - this driver is intended for use with USB Mass Storage Devices
- *     (BBB) ONLY. There is NO support for Interrupt or Isochronous pipes!
- * 3 - when running on a PQFP208 AT91RM9200, define CONFIG_AT91C_PQFP_UHPBUG
- *     to activate workaround for bug #41 or this driver will NOT work!
- */
-
-#include <common.h>
-/* #include <pci.h> no PCI on the S3C24X0 */
-
-#ifdef CONFIG_USB_OHCI
-
-#include <asm/arch/hardware.h>
-
-#include <malloc.h>
-#include <usb.h>
-#include "usb_ohci.h"
-
-#define OHCI_USE_NPS		/* force NoPowerSwitching mode */
-#undef OHCI_VERBOSE_DEBUG	/* not always helpful */
-
-/* For initializing controller (mask in an HCFS mode too) */
-#define OHCI_CONTROL_INIT \
-	(OHCI_CTRL_CBSR & 0x3) | OHCI_CTRL_IE | OHCI_CTRL_PLE
-
-#define readl(a) (*((vu_long *)(a)))
-#define writel(a, b) (*((vu_long *)(b)) = ((vu_long)a))
-
-#define min_t(type,x,y) ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
-
-#undef DEBUG
-#ifdef DEBUG
-#define dbg(format, arg...) printf("DEBUG: " format "\n", ## arg)
-#else
-#define dbg(format, arg...) do {} while(0)
-#endif /* DEBUG */
-#define err(format, arg...) printf("ERROR: " format "\n", ## arg)
-#undef SHOW_INFO
-#ifdef SHOW_INFO
-#define info(format, arg...) printf("INFO: " format "\n", ## arg)
-#else
-#define info(format, arg...) do {} while(0)
-#endif
-
-#define m16_swap(x) swap_16(x)
-#define m32_swap(x) swap_32(x)
-
-/* global ohci_t */
-static ohci_t gohci;
-/* this must be aligned to a 256 byte boundary */
-struct ohci_hcca ghcca[1];
-/* a pointer to the aligned storage */
-struct ohci_hcca *phcca;
-/* this allocates EDs for all possible endpoints */
-struct ohci_device ohci_dev;
-/* urb_priv */
-urb_priv_t urb_priv;
-/* RHSC flag */
-int got_rhsc;
-/* device which was disconnected */
-struct usb_device *devgone;
-
-/*-------------------------------------------------------------------------*/
-
-/* AMD-756 (D2 rev) reports corrupt register contents in some cases.
- * The erratum (#4) description is incorrect.  AMD's workaround waits
- * till some bits (mostly reserved) are clear; ok for all revs.
- */
-#define OHCI_QUIRK_AMD756 0xabcd
-#define read_roothub(hc, register, mask) ({ \
-	u32 temp = readl (&hc->regs->roothub.register); \
-	if (hc->flags & OHCI_QUIRK_AMD756) \
-		while (temp & mask) \
-			temp = readl (&hc->regs->roothub.register); \
-	temp; })
-
-static u32 roothub_a (struct ohci *hc)
-	{ return read_roothub (hc, a, 0xfc0fe000); }
-static inline u32 roothub_b (struct ohci *hc)
-	{ return readl (&hc->regs->roothub.b); }
-static inline u32 roothub_status (struct ohci *hc)
-	{ return readl (&hc->regs->roothub.status); }
-static u32 roothub_portstatus (struct ohci *hc, int i)
-	{ return read_roothub (hc, portstatus [i], 0xffe0fce0); }
-
-
-/* forward declaration */
-static int hc_interrupt (void);
-static void
-td_submit_job (struct usb_device * dev, unsigned long pipe, void * buffer,
-	int transfer_len, struct devrequest * setup, urb_priv_t * urb, int interval);
-
-/*-------------------------------------------------------------------------*
- * URB support functions
- *-------------------------------------------------------------------------*/
-
-/* free HCD-private data associated with this URB */
-
-static void urb_free_priv (urb_priv_t * urb)
-{
-	int		i;
-	int		last;
-	struct td	* td;
-
-	last = urb->length - 1;
-	if (last >= 0) {
-		for (i = 0; i <= last; i++) {
-			td = urb->td[i];
-			if (td) {
-				td->usb_dev = NULL;
-				urb->td[i] = NULL;
-			}
-		}
-	}
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef DEBUG
-static int sohci_get_current_frame_number (struct usb_device * dev);
-
-/* debug| print the main components of an URB
- * small: 0) header + data packets 1) just header */
-
-static void pkt_print (struct usb_device * dev, unsigned long pipe, void * buffer,
-	int transfer_len, struct devrequest * setup, char * str, int small)
-{
-	urb_priv_t * purb = &urb_priv;
-
-	dbg("%s URB:[%4x] dev:%2d,ep:%2d-%c,type:%s,len:%d/%d stat:%#lx",
-			str,
-			sohci_get_current_frame_number (dev),
-			usb_pipedevice (pipe),
-			usb_pipeendpoint (pipe),
-			usb_pipeout (pipe)? 'O': 'I',
-			usb_pipetype (pipe) < 2? (usb_pipeint (pipe)? "INTR": "ISOC"):
-				(usb_pipecontrol (pipe)? "CTRL": "BULK"),
-			purb->actual_length,
-			transfer_len, dev->status);
-#ifdef	OHCI_VERBOSE_DEBUG
-	if (!small) {
-		int i, len;
-
-		if (usb_pipecontrol (pipe)) {
-			printf (__FILE__ ": cmd(8):");
-			for (i = 0; i < 8 ; i++)
-				printf (" %02x", ((__u8 *) setup) [i]);
-			printf ("\n");
-		}
-		if (transfer_len > 0 && buffer) {
-			printf (__FILE__ ": data(%d/%d):",
-				purb->actual_length,
-				transfer_len);
-			len = usb_pipeout (pipe)?
-					transfer_len: purb->actual_length;
-			for (i = 0; i < 16 && i < len; i++)
-				printf (" %02x", ((__u8 *) buffer) [i]);
-			printf ("%s\n", i < len? "...": "");
-		}
-	}
-#endif
-}
-
-/* just for debugging; prints non-empty branches of the int ed tree inclusive iso eds*/
-void ep_print_int_eds (ohci_t *ohci, char * str) {
-	int i, j;
-	 __u32 * ed_p;
-	for (i= 0; i < 32; i++) {
-		j = 5;
-		ed_p = &(ohci->hcca->int_table [i]);
-		if (*ed_p == 0)
-		    continue;
-		printf (__FILE__ ": %s branch int %2d(%2x):", str, i, i);
-		while (*ed_p != 0 && j--) {
-			ed_t *ed = (ed_t *)m32_swap(ed_p);
-			printf (" ed: %4x;", ed->hwINFO);
-			ed_p = &ed->hwNextED;
-		}
-		printf ("\n");
-	}
-}
-
-static void ohci_dump_intr_mask (char *label, __u32 mask)
-{
-	dbg ("%s: 0x%08x%s%s%s%s%s%s%s%s%s",
-		label,
-		mask,
-		(mask & OHCI_INTR_MIE) ? " MIE" : "",
-		(mask & OHCI_INTR_OC) ? " OC" : "",
-		(mask & OHCI_INTR_RHSC) ? " RHSC" : "",
-		(mask & OHCI_INTR_FNO) ? " FNO" : "",
-		(mask & OHCI_INTR_UE) ? " UE" : "",
-		(mask & OHCI_INTR_RD) ? " RD" : "",
-		(mask & OHCI_INTR_SF) ? " SF" : "",
-		(mask & OHCI_INTR_WDH) ? " WDH" : "",
-		(mask & OHCI_INTR_SO) ? " SO" : ""
-		);
-}
-
-static void maybe_print_eds (char *label, __u32 value)
-{
-	ed_t *edp = (ed_t *)value;
-
-	if (value) {
-		dbg ("%s %08x", label, value);
-		dbg ("%08x", edp->hwINFO);
-		dbg ("%08x", edp->hwTailP);
-		dbg ("%08x", edp->hwHeadP);
-		dbg ("%08x", edp->hwNextED);
-	}
-}
-
-static char * hcfs2string (int state)
-{
-	switch (state) {
-		case OHCI_USB_RESET:	return "reset";
-		case OHCI_USB_RESUME:	return "resume";
-		case OHCI_USB_OPER:	return "operational";
-		case OHCI_USB_SUSPEND:	return "suspend";
-	}
-	return "?";
-}
-
-/* dump control and status registers */
-static void ohci_dump_status (ohci_t *controller)
-{
-	struct ohci_regs	*regs = controller->regs;
-	__u32			temp;
-
-	temp = readl (&regs->revision) & 0xff;
-	if (temp != 0x10)
-		dbg ("spec %d.%d", (temp >> 4), (temp & 0x0f));
-
-	temp = readl (&regs->control);
-	dbg ("control: 0x%08x%s%s%s HCFS=%s%s%s%s%s CBSR=%d", temp,
-		(temp & OHCI_CTRL_RWE) ? " RWE" : "",
-		(temp & OHCI_CTRL_RWC) ? " RWC" : "",
-		(temp & OHCI_CTRL_IR) ? " IR" : "",
-		hcfs2string (temp & OHCI_CTRL_HCFS),
-		(temp & OHCI_CTRL_BLE) ? " BLE" : "",
-		(temp & OHCI_CTRL_CLE) ? " CLE" : "",
-		(temp & OHCI_CTRL_IE) ? " IE" : "",
-		(temp & OHCI_CTRL_PLE) ? " PLE" : "",
-		temp & OHCI_CTRL_CBSR
-		);
-
-	temp = readl (&regs->cmdstatus);
-	dbg ("cmdstatus: 0x%08x SOC=%d%s%s%s%s", temp,
-		(temp & OHCI_SOC) >> 16,
-		(temp & OHCI_OCR) ? " OCR" : "",
-		(temp & OHCI_BLF) ? " BLF" : "",
-		(temp & OHCI_CLF) ? " CLF" : "",
-		(temp & OHCI_HCR) ? " HCR" : ""
-		);
-
-	ohci_dump_intr_mask ("intrstatus", readl (&regs->intrstatus));
-	ohci_dump_intr_mask ("intrenable", readl (&regs->intrenable));
-
-	maybe_print_eds ("ed_periodcurrent", readl (&regs->ed_periodcurrent));
-
-	maybe_print_eds ("ed_controlhead", readl (&regs->ed_controlhead));
-	maybe_print_eds ("ed_controlcurrent", readl (&regs->ed_controlcurrent));
-
-	maybe_print_eds ("ed_bulkhead", readl (&regs->ed_bulkhead));
-	maybe_print_eds ("ed_bulkcurrent", readl (&regs->ed_bulkcurrent));
-
-	maybe_print_eds ("donehead", readl (&regs->donehead));
-}
-
-static void ohci_dump_roothub (ohci_t *controller, int verbose)
-{
-	__u32			temp, ndp, i;
-
-	temp = roothub_a (controller);
-	ndp = (temp & RH_A_NDP);
-#ifdef CONFIG_AT91C_PQFP_UHPBUG
-	ndp = (ndp == 2) ? 1:0;
-#endif
-	if (verbose) {
-		dbg ("roothub.a: %08x POTPGT=%d%s%s%s%s%s NDP=%d", temp,
-			((temp & RH_A_POTPGT) >> 24) & 0xff,
-			(temp & RH_A_NOCP) ? " NOCP" : "",
-			(temp & RH_A_OCPM) ? " OCPM" : "",
-			(temp & RH_A_DT) ? " DT" : "",
-			(temp & RH_A_NPS) ? " NPS" : "",
-			(temp & RH_A_PSM) ? " PSM" : "",
-			ndp
-			);
-		temp = roothub_b (controller);
-		dbg ("roothub.b: %08x PPCM=%04x DR=%04x",
-			temp,
-			(temp & RH_B_PPCM) >> 16,
-			(temp & RH_B_DR)
-			);
-		temp = roothub_status (controller);
-		dbg ("roothub.status: %08x%s%s%s%s%s%s",
-			temp,
-			(temp & RH_HS_CRWE) ? " CRWE" : "",
-			(temp & RH_HS_OCIC) ? " OCIC" : "",
-			(temp & RH_HS_LPSC) ? " LPSC" : "",
-			(temp & RH_HS_DRWE) ? " DRWE" : "",
-			(temp & RH_HS_OCI) ? " OCI" : "",
-			(temp & RH_HS_LPS) ? " LPS" : ""
-			);
-	}
-
-	for (i = 0; i < ndp; i++) {
-		temp = roothub_portstatus (controller, i);
-		dbg ("roothub.portstatus [%d] = 0x%08x%s%s%s%s%s%s%s%s%s%s%s%s",
-			i,
-			temp,
-			(temp & RH_PS_PRSC) ? " PRSC" : "",
-			(temp & RH_PS_OCIC) ? " OCIC" : "",
-			(temp & RH_PS_PSSC) ? " PSSC" : "",
-			(temp & RH_PS_PESC) ? " PESC" : "",
-			(temp & RH_PS_CSC) ? " CSC" : "",
-
-			(temp & RH_PS_LSDA) ? " LSDA" : "",
-			(temp & RH_PS_PPS) ? " PPS" : "",
-			(temp & RH_PS_PRS) ? " PRS" : "",
-			(temp & RH_PS_POCI) ? " POCI" : "",
-			(temp & RH_PS_PSS) ? " PSS" : "",
-
-			(temp & RH_PS_PES) ? " PES" : "",
-			(temp & RH_PS_CCS) ? " CCS" : ""
-			);
-	}
-}
-
-static void ohci_dump (ohci_t *controller, int verbose)
-{
-	dbg ("OHCI controller usb-%s state", controller->slot_name);
-
-	/* dumps some of the state we know about */
-	ohci_dump_status (controller);
-	if (verbose)
-		ep_print_int_eds (controller, "hcca");
-	dbg ("hcca frame #%04x", controller->hcca->frame_no);
-	ohci_dump_roothub (controller, 1);
-}
-
-
-#endif /* DEBUG */
-
-/*-------------------------------------------------------------------------*
- * Interface functions (URB)
- *-------------------------------------------------------------------------*/
-
-/* get a transfer request */
-
-int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer,
-		int transfer_len, struct devrequest *setup, int interval)
-{
-	ohci_t *ohci;
-	ed_t * ed;
-	urb_priv_t *purb_priv;
-	int i, size = 0;
-
-	ohci = &gohci;
-
-	/* when controller's hung, permit only roothub cleanup attempts
-	 * such as powering down ports */
-	if (ohci->disabled) {
-		err("sohci_submit_job: EPIPE");
-		return -1;
-	}
-
-	/* every endpoint has a ed, locate and fill it */
-	if (!(ed = ep_add_ed (dev, pipe))) {
-		err("sohci_submit_job: ENOMEM");
-		return -1;
-	}
-
-	/* for the private part of the URB we need the number of TDs (size) */
-	switch (usb_pipetype (pipe)) {
-		case PIPE_BULK: /* one TD for every 4096 Byte */
-			size = (transfer_len - 1) / 4096 + 1;
-			break;
-		case PIPE_CONTROL: /* 1 TD for setup, 1 for ACK and 1 for every 4096 B */
-			size = (transfer_len == 0)? 2:
-						(transfer_len - 1) / 4096 + 3;
-			break;
-	}
-
-	if (size >= (N_URB_TD - 1)) {
-		err("need %d TDs, only have %d", size, N_URB_TD);
-		return -1;
-	}
-	purb_priv = &urb_priv;
-	purb_priv->pipe = pipe;
-
-	/* fill the private part of the URB */
-	purb_priv->length = size;
-	purb_priv->ed = ed;
-	purb_priv->actual_length = 0;
-
-	/* allocate the TDs */
-	/* note that td[0] was allocated in ep_add_ed */
-	for (i = 0; i < size; i++) {
-		purb_priv->td[i] = td_alloc (dev);
-		if (!purb_priv->td[i]) {
-			purb_priv->length = i;
-			urb_free_priv (purb_priv);
-			err("sohci_submit_job: ENOMEM");
-			return -1;
-		}
-	}
-
-	if (ed->state == ED_NEW || (ed->state & ED_DEL)) {
-		urb_free_priv (purb_priv);
-		err("sohci_submit_job: EINVAL");
-		return -1;
-	}
-
-	/* link the ed into a chain if is not already */
-	if (ed->state != ED_OPER)
-		ep_link (ohci, ed);
-
-	/* fill the TDs and link it to the ed */
-	td_submit_job(dev, pipe, buffer, transfer_len, setup, purb_priv, interval);
-
-	return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef DEBUG
-/* tell us the current USB frame number */
-
-static int sohci_get_current_frame_number (struct usb_device *usb_dev)
-{
-	ohci_t *ohci = &gohci;
-
-	return m16_swap (ohci->hcca->frame_no);
-}
-#endif
-
-/*-------------------------------------------------------------------------*
- * ED handling functions
- *-------------------------------------------------------------------------*/
-
-/* link an ed into one of the HC chains */
-
-static int ep_link (ohci_t *ohci, ed_t *edi)
-{
-	volatile ed_t *ed = edi;
-
-	ed->state = ED_OPER;
-
-	switch (ed->type) {
-	case PIPE_CONTROL:
-		ed->hwNextED = 0;
-		if (ohci->ed_controltail == NULL) {
-			writel (ed, &ohci->regs->ed_controlhead);
-		} else {
-			ohci->ed_controltail->hwNextED = m32_swap (ed);
-		}
-		ed->ed_prev = ohci->ed_controltail;
-		if (!ohci->ed_controltail && !ohci->ed_rm_list[0] &&
-			!ohci->ed_rm_list[1] && !ohci->sleeping) {
-			ohci->hc_control |= OHCI_CTRL_CLE;
-			writel (ohci->hc_control, &ohci->regs->control);
-		}
-		ohci->ed_controltail = edi;
-		break;
-
-	case PIPE_BULK:
-		ed->hwNextED = 0;
-		if (ohci->ed_bulktail == NULL) {
-			writel (ed, &ohci->regs->ed_bulkhead);
-		} else {
-			ohci->ed_bulktail->hwNextED = m32_swap (ed);
-		}
-		ed->ed_prev = ohci->ed_bulktail;
-		if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] &&
-			!ohci->ed_rm_list[1] && !ohci->sleeping) {
-			ohci->hc_control |= OHCI_CTRL_BLE;
-			writel (ohci->hc_control, &ohci->regs->control);
-		}
-		ohci->ed_bulktail = edi;
-		break;
-	}
-	return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* unlink an ed from one of the HC chains.
- * just the link to the ed is unlinked.
- * the link from the ed still points to another operational ed or 0
- * so the HC can eventually finish the processing of the unlinked ed */
-
-static int ep_unlink (ohci_t *ohci, ed_t *ed)
-{
-	ed->hwINFO |= m32_swap (OHCI_ED_SKIP);
-
-	switch (ed->type) {
-	case PIPE_CONTROL:
-		if (ed->ed_prev == NULL) {
-			if (!ed->hwNextED) {
-				ohci->hc_control &= ~OHCI_CTRL_CLE;
-				writel (ohci->hc_control, &ohci->regs->control);
-			}
-			writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_controlhead);
-		} else {
-			ed->ed_prev->hwNextED = ed->hwNextED;
-		}
-		if (ohci->ed_controltail == ed) {
-			ohci->ed_controltail = ed->ed_prev;
-		} else {
-			((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev;
-		}
-		break;
-
-	case PIPE_BULK:
-		if (ed->ed_prev == NULL) {
-			if (!ed->hwNextED) {
-				ohci->hc_control &= ~OHCI_CTRL_BLE;
-				writel (ohci->hc_control, &ohci->regs->control);
-			}
-			writel (m32_swap (*((__u32 *)&ed->hwNextED)), &ohci->regs->ed_bulkhead);
-		} else {
-			ed->ed_prev->hwNextED = ed->hwNextED;
-		}
-		if (ohci->ed_bulktail == ed) {
-			ohci->ed_bulktail = ed->ed_prev;
-		} else {
-			((ed_t *)m32_swap (*((__u32 *)&ed->hwNextED)))->ed_prev = ed->ed_prev;
-		}
-		break;
-	}
-	ed->state = ED_UNLINK;
-	return 0;
-}
-
-
-/*-------------------------------------------------------------------------*/
-
-/* add/reinit an endpoint; this should be done once at the usb_set_configuration command,
- * but the USB stack is a little bit stateless	so we do it at every transaction
- * if the state of the ed is ED_NEW then a dummy td is added and the state is changed to ED_UNLINK
- * in all other cases the state is left unchanged
- * the ed info fields are setted anyway even though most of them should not change */
-
-static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe)
-{
-	td_t *td;
-	ed_t *ed_ret;
-	volatile ed_t *ed;
-
-	ed = ed_ret = &ohci_dev.ed[(usb_pipeendpoint (pipe) << 1) |
-			(usb_pipecontrol (pipe)? 0: usb_pipeout (pipe))];
-
-	if ((ed->state & ED_DEL) || (ed->state & ED_URB_DEL)) {
-		err("ep_add_ed: pending delete");
-		/* pending delete request */
-		return NULL;
-	}
-
-	if (ed->state == ED_NEW) {
-		ed->hwINFO = m32_swap (OHCI_ED_SKIP); /* skip ed */
-		/* dummy td; end of td list for ed */
-		td = td_alloc (usb_dev);
-		ed->hwTailP = m32_swap (td);
-		ed->hwHeadP = ed->hwTailP;
-		ed->state = ED_UNLINK;
-		ed->type = usb_pipetype (pipe);
-		ohci_dev.ed_cnt++;
-	}
-
-	ed->hwINFO = m32_swap (usb_pipedevice (pipe)
-			| usb_pipeendpoint (pipe) << 7
-			| (usb_pipeisoc (pipe)? 0x8000: 0)
-			| (usb_pipecontrol (pipe)? 0: (usb_pipeout (pipe)? 0x800: 0x1000))
-			| usb_pipeslow (pipe) << 13
-			| usb_maxpacket (usb_dev, pipe) << 16);
-
-	return ed_ret;
-}
-
-/*-------------------------------------------------------------------------*
- * TD handling functions
- *-------------------------------------------------------------------------*/
-
-/* enqueue next TD for this URB (OHCI spec 5.2.8.2) */
-
-static void td_fill (ohci_t *ohci, unsigned int info,
-	void *data, int len,
-	struct usb_device *dev, int index, urb_priv_t *urb_priv)
-{
-	volatile td_t  *td, *td_pt;
-#ifdef OHCI_FILL_TRACE
-	int i;
-#endif
-
-	if (index > urb_priv->length) {
-		err("index > length");
-		return;
-	}
-	/* use this td as the next dummy */
-	td_pt = urb_priv->td [index];
-	td_pt->hwNextTD = 0;
-
-	/* fill the old dummy TD */
-	td = urb_priv->td [index] = (td_t *)(m32_swap (urb_priv->ed->hwTailP) & ~0xf);
-
-	td->ed = urb_priv->ed;
-	td->next_dl_td = NULL;
-	td->index = index;
-	td->data = (__u32)data;
-#ifdef OHCI_FILL_TRACE
-	if ((usb_pipetype(urb_priv->pipe) == PIPE_BULK) && usb_pipeout(urb_priv->pipe)) {
-		for (i = 0; i < len; i++)
-		printf("td->data[%d] %#2x ",i, ((unsigned char *)td->data)[i]);
-		printf("\n");
-	}
-#endif
-	if (!len)
-		data = 0;
-
-	td->hwINFO = m32_swap (info);
-	td->hwCBP = m32_swap (data);
-	if (data)
-		td->hwBE = m32_swap (data + len - 1);
-	else
-		td->hwBE = 0;
-	td->hwNextTD = m32_swap (td_pt);
-	td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000);
-
-	/* append to queue */
-	td->ed->hwTailP = td->hwNextTD;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* prepare all TDs of a transfer */
-
-static void td_submit_job (struct usb_device *dev, unsigned long pipe, void *buffer,
-	int transfer_len, struct devrequest *setup, urb_priv_t *urb, int interval)
-{
-	ohci_t *ohci = &gohci;
-	int data_len = transfer_len;
-	void *data;
-	int cnt = 0;
-	__u32 info = 0;
-	unsigned int toggle = 0;
-
-	/* OHCI handles the DATA-toggles itself, we just use the USB-toggle bits for reseting */
-	if(usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe))) {
-		toggle = TD_T_TOGGLE;
-	} else {
-		toggle = TD_T_DATA0;
-		usb_settoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe), 1);
-	}
-	urb->td_cnt = 0;
-	if (data_len)
-		data = buffer;
-	else
-		data = 0;
-
-	switch (usb_pipetype (pipe)) {
-	case PIPE_BULK:
-		info = usb_pipeout (pipe)?
-			TD_CC | TD_DP_OUT : TD_CC | TD_DP_IN ;
-		while(data_len > 4096) {
-			td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, 4096, dev, cnt, urb);
-			data += 4096; data_len -= 4096; cnt++;
-		}
-		info = usb_pipeout (pipe)?
-			TD_CC | TD_DP_OUT : TD_CC | TD_R | TD_DP_IN ;
-		td_fill (ohci, info | (cnt? TD_T_TOGGLE:toggle), data, data_len, dev, cnt, urb);
-		cnt++;
-
-		if (!ohci->sleeping)
-			writel (OHCI_BLF, &ohci->regs->cmdstatus); /* start bulk list */
-		break;
-
-	case PIPE_CONTROL:
-		info = TD_CC | TD_DP_SETUP | TD_T_DATA0;
-		td_fill (ohci, info, setup, 8, dev, cnt++, urb);
-		if (data_len > 0) {
-			info = usb_pipeout (pipe)?
-				TD_CC | TD_R | TD_DP_OUT | TD_T_DATA1 : TD_CC | TD_R | TD_DP_IN | TD_T_DATA1;
-			/* NOTE:  mishandles transfers >8K, some >4K */
-			td_fill (ohci, info, data, data_len, dev, cnt++, urb);
-		}
-		info = usb_pipeout (pipe)?
-			TD_CC | TD_DP_IN | TD_T_DATA1: TD_CC | TD_DP_OUT | TD_T_DATA1;
-		td_fill (ohci, info, data, 0, dev, cnt++, urb);
-		if (!ohci->sleeping)
-			writel (OHCI_CLF, &ohci->regs->cmdstatus); /* start Control list */
-		break;
-	}
-	if (urb->length != cnt)
-		dbg("TD LENGTH %d != CNT %d", urb->length, cnt);
-}
-
-/*-------------------------------------------------------------------------*
- * Done List handling functions
- *-------------------------------------------------------------------------*/
-
-
-/* calculate the transfer length and update the urb */
-
-static void dl_transfer_length(td_t * td)
-{
-	__u32 tdINFO, tdBE, tdCBP;
-	urb_priv_t *lurb_priv = &urb_priv;
-
-	tdINFO = m32_swap (td->hwINFO);
-	tdBE   = m32_swap (td->hwBE);
-	tdCBP  = m32_swap (td->hwCBP);
-
-
-	if (!(usb_pipetype (lurb_priv->pipe) == PIPE_CONTROL &&
-	    ((td->index == 0) || (td->index == lurb_priv->length - 1)))) {
-		if (tdBE != 0) {
-			if (td->hwCBP == 0)
-				lurb_priv->actual_length += tdBE - td->data + 1;
-			else
-				lurb_priv->actual_length += tdCBP - td->data;
-		}
-	}
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* replies to the request have to be on a FIFO basis so
- * we reverse the reversed done-list */
-
-static td_t * dl_reverse_done_list (ohci_t *ohci)
-{
-	__u32 td_list_hc;
-	td_t *td_rev = NULL;
-	td_t *td_list = NULL;
-	urb_priv_t *lurb_priv = NULL;
-
-	td_list_hc = m32_swap (ohci->hcca->done_head) & 0xfffffff0;
-	ohci->hcca->done_head = 0;
-
-	while (td_list_hc) {
-		td_list = (td_t *)td_list_hc;
-
-		if (TD_CC_GET (m32_swap (td_list->hwINFO))) {
-			lurb_priv = &urb_priv;
-			dbg(" USB-error/status: %x : %p",
-					TD_CC_GET (m32_swap (td_list->hwINFO)), td_list);
-			if (td_list->ed->hwHeadP & m32_swap (0x1)) {
-				if (lurb_priv && ((td_list->index + 1) < lurb_priv->length)) {
-					td_list->ed->hwHeadP =
-						(lurb_priv->td[lurb_priv->length - 1]->hwNextTD & m32_swap (0xfffffff0)) |
-									(td_list->ed->hwHeadP & m32_swap (0x2));
-					lurb_priv->td_cnt += lurb_priv->length - td_list->index - 1;
-				} else
-					td_list->ed->hwHeadP &= m32_swap (0xfffffff2);
-			}
-		}
-
-		td_list->next_dl_td = td_rev;
-		td_rev = td_list;
-		td_list_hc = m32_swap (td_list->hwNextTD) & 0xfffffff0;
-	}
-	return td_list;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* td done list */
-static int dl_done_list (ohci_t *ohci, td_t *td_list)
-{
-	td_t *td_list_next = NULL;
-	ed_t *ed;
-	int cc = 0;
-	int stat = 0;
-	/* urb_t *urb; */
-	urb_priv_t *lurb_priv;
-	__u32 tdINFO, edHeadP, edTailP;
-
-	while (td_list) {
-		td_list_next = td_list->next_dl_td;
-
-		lurb_priv = &urb_priv;
-		tdINFO = m32_swap (td_list->hwINFO);
-
-		ed = td_list->ed;
-
-		dl_transfer_length(td_list);
-
-		/* error code of transfer */
-		cc = TD_CC_GET (tdINFO);
-		if (cc != 0) {
-			dbg("ConditionCode %#x", cc);
-			stat = cc_to_error[cc];
-		}
-
-		if (ed->state != ED_NEW) {
-			edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0;
-			edTailP = m32_swap (ed->hwTailP);
-
-			/* unlink eds if they are not busy */
-			if ((edHeadP == edTailP) && (ed->state == ED_OPER))
-				ep_unlink (ohci, ed);
-		}
-
-		td_list = td_list_next;
-	}
-	return stat;
-}
-
-/*-------------------------------------------------------------------------*
- * Virtual Root Hub
- *-------------------------------------------------------------------------*/
-
-/* Device descriptor */
-static __u8 root_hub_dev_des[] =
-{
-	0x12,	    /*	__u8  bLength; */
-	0x01,	    /*	__u8  bDescriptorType; Device */
-	0x10,	    /*	__u16 bcdUSB; v1.1 */
-	0x01,
-	0x09,	    /*	__u8  bDeviceClass; HUB_CLASSCODE */
-	0x00,	    /*	__u8  bDeviceSubClass; */
-	0x00,	    /*	__u8  bDeviceProtocol; */
-	0x08,	    /*	__u8  bMaxPacketSize0; 8 Bytes */
-	0x00,	    /*	__u16 idVendor; */
-	0x00,
-	0x00,	    /*	__u16 idProduct; */
-	0x00,
-	0x00,	    /*	__u16 bcdDevice; */
-	0x00,
-	0x00,	    /*	__u8  iManufacturer; */
-	0x01,	    /*	__u8  iProduct; */
-	0x00,	    /*	__u8  iSerialNumber; */
-	0x01	    /*	__u8  bNumConfigurations; */
-};
-
-
-/* Configuration descriptor */
-static __u8 root_hub_config_des[] =
-{
-	0x09,	    /*	__u8  bLength; */
-	0x02,	    /*	__u8  bDescriptorType; Configuration */
-	0x19,	    /*	__u16 wTotalLength; */
-	0x00,
-	0x01,	    /*	__u8  bNumInterfaces; */
-	0x01,	    /*	__u8  bConfigurationValue; */
-	0x00,	    /*	__u8  iConfiguration; */
-	0x40,	    /*	__u8  bmAttributes;
-		 Bit 7: Bus-powered, 6: Self-powered, 5 Remote-wakwup, 4..0: resvd */
-	0x00,	    /*	__u8  MaxPower; */
-
-	/* interface */
-	0x09,	    /*	__u8  if_bLength; */
-	0x04,	    /*	__u8  if_bDescriptorType; Interface */
-	0x00,	    /*	__u8  if_bInterfaceNumber; */
-	0x00,	    /*	__u8  if_bAlternateSetting; */
-	0x01,	    /*	__u8  if_bNumEndpoints; */
-	0x09,	    /*	__u8  if_bInterfaceClass; HUB_CLASSCODE */
-	0x00,	    /*	__u8  if_bInterfaceSubClass; */
-	0x00,	    /*	__u8  if_bInterfaceProtocol; */
-	0x00,	    /*	__u8  if_iInterface; */
-
-	/* endpoint */
-	0x07,	    /*	__u8  ep_bLength; */
-	0x05,	    /*	__u8  ep_bDescriptorType; Endpoint */
-	0x81,	    /*	__u8  ep_bEndpointAddress; IN Endpoint 1 */
-	0x03,	    /*	__u8  ep_bmAttributes; Interrupt */
-	0x02,	    /*	__u16 ep_wMaxPacketSize; ((MAX_ROOT_PORTS + 1) / 8 */
-	0x00,
-	0xff	    /*	__u8  ep_bInterval; 255 ms */
-};
-
-static unsigned char root_hub_str_index0[] =
-{
-	0x04,			/*  __u8  bLength; */
-	0x03,			/*  __u8  bDescriptorType; String-descriptor */
-	0x09,			/*  __u8  lang ID */
-	0x04,			/*  __u8  lang ID */
-};
-
-static unsigned char root_hub_str_index1[] =
-{
-	28,			/*  __u8  bLength; */
-	0x03,			/*  __u8  bDescriptorType; String-descriptor */
-	'O',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'H',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'C',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'I',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	' ',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'R',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'o',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'o',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	't',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	' ',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'H',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'u',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-	'b',			/*  __u8  Unicode */
-	0,				/*  __u8  Unicode */
-};
-
-/* Hub class-specific descriptor is constructed dynamically */
-
-
-/*-------------------------------------------------------------------------*/
-
-#define OK(x)			len = (x); break
-#ifdef DEBUG
-#define WR_RH_STAT(x)		{info("WR:status %#8x", (x));writel((x), &gohci.regs->roothub.status);}
-#define WR_RH_PORTSTAT(x)	{info("WR:portstatus[%d] %#8x", wIndex-1, (x));writel((x), &gohci.regs->roothub.portstatus[wIndex-1]);}
-#else
-#define WR_RH_STAT(x)		writel((x), &gohci.regs->roothub.status)
-#define WR_RH_PORTSTAT(x)	writel((x), &gohci.regs->roothub.portstatus[wIndex-1])
-#endif
-#define RD_RH_STAT		roothub_status(&gohci)
-#define RD_RH_PORTSTAT		roothub_portstatus(&gohci,wIndex-1)
-
-/* request to virtual root hub */
-
-int rh_check_port_status(ohci_t *controller)
-{
-	__u32 temp, ndp, i;
-	int res;
-
-	res = -1;
-	temp = roothub_a (controller);
-	ndp = (temp & RH_A_NDP);
-#ifdef CONFIG_AT91C_PQFP_UHPBUG
-	ndp = (ndp == 2) ? 1:0;
-#endif
-
-	for (i = 0; i < ndp; i++) {
-		temp = roothub_portstatus (controller, i);
-		/* check for a device disconnect */
-		if (((temp & (RH_PS_PESC | RH_PS_CSC)) ==
-			(RH_PS_PESC | RH_PS_CSC)) &&
-			((temp & RH_PS_CCS) == 0)) {
-			res = i;
-			break;
-		}
-	}
-	return res;
-}
-
-static int ohci_submit_rh_msg(struct usb_device *dev, unsigned long pipe,
-		void *buffer, int transfer_len, struct devrequest *cmd)
-{
-	void * data = buffer;
-	int leni = transfer_len;
-	int len = 0;
-	int stat = 0;
-	__u32 datab[4];
-	__u8 *data_buf = (__u8 *)datab;
-	__u16 bmRType_bReq;
-	__u16 wValue;
-	__u16 wIndex;
-	__u16 wLength;
-
-#ifdef DEBUG
-urb_priv.actual_length = 0;
-pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
-#else
-	wait_ms(1);
-#endif
-	if ((pipe & PIPE_INTERRUPT) == PIPE_INTERRUPT) {
-		info("Root-Hub submit IRQ: NOT implemented");
-		return 0;
-	}
-
-	bmRType_bReq  = cmd->requesttype | (cmd->request << 8);
-	wValue	      = m16_swap (cmd->value);
-	wIndex	      = m16_swap (cmd->index);
-	wLength	      = m16_swap (cmd->length);
-
-	info("Root-Hub: adr: %2x cmd(%1x): %08x %04x %04x %04x",
-		dev->devnum, 8, bmRType_bReq, wValue, wIndex, wLength);
-
-	switch (bmRType_bReq) {
-	/* Request Destination:
-	   without flags: Device,
-	   RH_INTERFACE: interface,
-	   RH_ENDPOINT: endpoint,
-	   RH_CLASS means HUB here,
-	   RH_OTHER | RH_CLASS	almost ever means HUB_PORT here
-	*/
-
-	case RH_GET_STATUS:
-			*(__u16 *) data_buf = m16_swap (1); OK (2);
-	case RH_GET_STATUS | RH_INTERFACE:
-			*(__u16 *) data_buf = m16_swap (0); OK (2);
-	case RH_GET_STATUS | RH_ENDPOINT:
-			*(__u16 *) data_buf = m16_swap (0); OK (2);
-	case RH_GET_STATUS | RH_CLASS:
-			*(__u32 *) data_buf = m32_swap (
-				RD_RH_STAT & ~(RH_HS_CRWE | RH_HS_DRWE));
-			OK (4);
-	case RH_GET_STATUS | RH_OTHER | RH_CLASS:
-			*(__u32 *) data_buf = m32_swap (RD_RH_PORTSTAT); OK (4);
-
-	case RH_CLEAR_FEATURE | RH_ENDPOINT:
-		switch (wValue) {
-			case (RH_ENDPOINT_STALL): OK (0);
-		}
-		break;
-
-	case RH_CLEAR_FEATURE | RH_CLASS:
-		switch (wValue) {
-			case RH_C_HUB_LOCAL_POWER:
-				OK(0);
-			case (RH_C_HUB_OVER_CURRENT):
-					WR_RH_STAT(RH_HS_OCIC); OK (0);
-		}
-		break;
-
-	case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS:
-		switch (wValue) {
-			case (RH_PORT_ENABLE):
-					WR_RH_PORTSTAT (RH_PS_CCS ); OK (0);
-			case (RH_PORT_SUSPEND):
-					WR_RH_PORTSTAT (RH_PS_POCI); OK (0);
-			case (RH_PORT_POWER):
-					WR_RH_PORTSTAT (RH_PS_LSDA); OK (0);
-			case (RH_C_PORT_CONNECTION):
-					WR_RH_PORTSTAT (RH_PS_CSC ); OK (0);
-			case (RH_C_PORT_ENABLE):
-					WR_RH_PORTSTAT (RH_PS_PESC); OK (0);
-			case (RH_C_PORT_SUSPEND):
-					WR_RH_PORTSTAT (RH_PS_PSSC); OK (0);
-			case (RH_C_PORT_OVER_CURRENT):
-					WR_RH_PORTSTAT (RH_PS_OCIC); OK (0);
-			case (RH_C_PORT_RESET):
-					WR_RH_PORTSTAT (RH_PS_PRSC); OK (0);
-		}
-		break;
-
-	case RH_SET_FEATURE | RH_OTHER | RH_CLASS:
-		switch (wValue) {
-			case (RH_PORT_SUSPEND):
-					WR_RH_PORTSTAT (RH_PS_PSS ); OK (0);
-			case (RH_PORT_RESET): /* BUG IN HUP CODE *********/
-					if (RD_RH_PORTSTAT & RH_PS_CCS)
-					    WR_RH_PORTSTAT (RH_PS_PRS);
-					OK (0);
-			case (RH_PORT_POWER):
-					WR_RH_PORTSTAT (RH_PS_PPS ); OK (0);
-			case (RH_PORT_ENABLE): /* BUG IN HUP CODE *********/
-					if (RD_RH_PORTSTAT & RH_PS_CCS)
-					    WR_RH_PORTSTAT (RH_PS_PES );
-					OK (0);
-		}
-		break;
-
-	case RH_SET_ADDRESS: gohci.rh.devnum = wValue; OK(0);
-
-	case RH_GET_DESCRIPTOR:
-		switch ((wValue & 0xff00) >> 8) {
-			case (0x01): /* device descriptor */
-				len = min_t(unsigned int,
-					  leni,
-					  min_t(unsigned int,
-					      sizeof (root_hub_dev_des),
-					      wLength));
-				data_buf = root_hub_dev_des; OK(len);
-			case (0x02): /* configuration descriptor */
-				len = min_t(unsigned int,
-					  leni,
-					  min_t(unsigned int,
-					      sizeof (root_hub_config_des),
-					      wLength));
-				data_buf = root_hub_config_des; OK(len);
-			case (0x03): /* string descriptors */
-				if(wValue==0x0300) {
-					len = min_t(unsigned int,
-						  leni,
-						  min_t(unsigned int,
-						      sizeof (root_hub_str_index0),
-						      wLength));
-					data_buf = root_hub_str_index0;
-					OK(len);
-				}
-				if(wValue==0x0301) {
-					len = min_t(unsigned int,
-						  leni,
-						  min_t(unsigned int,
-						      sizeof (root_hub_str_index1),
-						      wLength));
-					data_buf = root_hub_str_index1;
-					OK(len);
-			}
-			default:
-				stat = USB_ST_STALLED;
-		}
-		break;
-
-	case RH_GET_DESCRIPTOR | RH_CLASS:
-	{
-		__u32 temp = roothub_a (&gohci);
-
-		data_buf [0] = 9;		/* min length; */
-		data_buf [1] = 0x29;
-		data_buf [2] = temp & RH_A_NDP;
-#ifdef CONFIG_AT91C_PQFP_UHPBUG
-		data_buf [2] = (data_buf [2] == 2) ? 1:0;
-#endif
-		data_buf [3] = 0;
-		if (temp & RH_A_PSM)	/* per-port power switching? */
-			data_buf [3] |= 0x1;
-		if (temp & RH_A_NOCP)	/* no overcurrent reporting? */
-			data_buf [3] |= 0x10;
-		else if (temp & RH_A_OCPM)	/* per-port overcurrent reporting? */
-			data_buf [3] |= 0x8;
-
-		/* corresponds to data_buf[4-7] */
-		datab [1] = 0;
-		data_buf [5] = (temp & RH_A_POTPGT) >> 24;
-		temp = roothub_b (&gohci);
-		data_buf [7] = temp & RH_B_DR;
-		if (data_buf [2] < 7) {
-			data_buf [8] = 0xff;
-		} else {
-			data_buf [0] += 2;
-			data_buf [8] = (temp & RH_B_DR) >> 8;
-			data_buf [10] = data_buf [9] = 0xff;
-		}
-
-		len = min_t(unsigned int, leni,
-		min_t(unsigned int, data_buf [0], wLength));
-		OK (len);
-	}
-
-	case RH_GET_CONFIGURATION:	*(__u8 *) data_buf = 0x01; OK (1);
-
-	case RH_SET_CONFIGURATION:	WR_RH_STAT (0x10000); OK (0);
-
-	default:
-		dbg ("unsupported root hub command");
-		stat = USB_ST_STALLED;
-	}
-
-#ifdef	DEBUG
-	ohci_dump_roothub (&gohci, 1);
-#else
-	wait_ms(1);
-#endif
-
-	len = min_t(int, len, leni);
-	if (data != data_buf)
-	    memcpy (data, data_buf, len);
-	dev->act_len = len;
-	dev->status = stat;
-
-#ifdef DEBUG
-	if (transfer_len)
-		urb_priv.actual_length = transfer_len;
-	pkt_print(dev, pipe, buffer, transfer_len, cmd, "RET(rh)", 0/*usb_pipein(pipe)*/);
-#else
-	wait_ms(1);
-#endif
-
-	return stat;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* common code for handling submit messages - used for all but root hub */
-/* accesses. */
-int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		int transfer_len, struct devrequest *setup, int interval)
-{
-	int stat = 0;
-	int maxsize = usb_maxpacket(dev, pipe);
-	int timeout;
-
-	/* device pulled? Shortcut the action. */
-	if (devgone == dev) {
-		dev->status = USB_ST_CRC_ERR;
-		return 0;
-	}
-
-#ifdef DEBUG
-	urb_priv.actual_length = 0;
-	pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe));
-#else
-	wait_ms(1);
-#endif
-	if (!maxsize) {
-		err("submit_common_message: pipesize for pipe %lx is zero",
-			pipe);
-		return -1;
-	}
-
-	if (sohci_submit_job(dev, pipe, buffer, transfer_len, setup, interval) < 0) {
-		err("sohci_submit_job failed");
-		return -1;
-	}
-
-	wait_ms(10);
-	/* ohci_dump_status(&gohci); */
-
-	/* allow more time for a BULK device to react - some are slow */
-#define BULK_TO	 5000	/* timeout in milliseconds */
-	if (usb_pipetype (pipe) == PIPE_BULK)
-		timeout = BULK_TO;
-	else
-		timeout = 100;
-
-	/* wait for it to complete */
-	for (;;) {
-		/* check whether the controller is done */
-		stat = hc_interrupt();
-		if (stat < 0) {
-			stat = USB_ST_CRC_ERR;
-			break;
-		}
-		if (stat >= 0 && stat != 0xff) {
-			/* 0xff is returned for an SF-interrupt */
-			break;
-		}
-		if (--timeout) {
-			wait_ms(1);
-		} else {
-			err("CTL:TIMEOUT ");
-			stat = USB_ST_CRC_ERR;
-			break;
-		}
-	}
-	/* we got an Root Hub Status Change interrupt */
-	if (got_rhsc) {
-#ifdef DEBUG
-		ohci_dump_roothub (&gohci, 1);
-#endif
-		got_rhsc = 0;
-		/* abuse timeout */
-		timeout = rh_check_port_status(&gohci);
-		if (timeout >= 0) {
-#if 0 /* this does nothing useful, but leave it here in case that changes */
-			/* the called routine adds 1 to the passed value */
-			usb_hub_port_connect_change(gohci.rh.dev, timeout - 1);
-#endif
-			/*
-			 * XXX
-			 * This is potentially dangerous because it assumes
-			 * that only one device is ever plugged in!
-			 */
-			devgone = dev;
-		}
-	}
-
-	dev->status = stat;
-	dev->act_len = transfer_len;
-
-#ifdef DEBUG
-	pkt_print(dev, pipe, buffer, transfer_len, setup, "RET(ctlr)", usb_pipein(pipe));
-#else
-	wait_ms(1);
-#endif
-
-	/* free TDs in urb_priv */
-	urb_free_priv (&urb_priv);
-	return 0;
-}
-
-/* submit routines called from usb.c */
-int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		int transfer_len)
-{
-	info("submit_bulk_msg");
-	return submit_common_msg(dev, pipe, buffer, transfer_len, NULL, 0);
-}
-
-int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		int transfer_len, struct devrequest *setup)
-{
-	int maxsize = usb_maxpacket(dev, pipe);
-
-	info("submit_control_msg");
-#ifdef DEBUG
-	urb_priv.actual_length = 0;
-	pkt_print(dev, pipe, buffer, transfer_len, setup, "SUB", usb_pipein(pipe));
-#else
-	wait_ms(1);
-#endif
-	if (!maxsize) {
-		err("submit_control_message: pipesize for pipe %lx is zero",
-			pipe);
-		return -1;
-	}
-	if (((pipe >> 8) & 0x7f) == gohci.rh.devnum) {
-		gohci.rh.dev = dev;
-		/* root hub - redirect */
-		return ohci_submit_rh_msg(dev, pipe, buffer, transfer_len,
-			setup);
-	}
-
-	return submit_common_msg(dev, pipe, buffer, transfer_len, setup, 0);
-}
-
-int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		int transfer_len, int interval)
-{
-	info("submit_int_msg");
-	return -1;
-}
-
-/*-------------------------------------------------------------------------*
- * HC functions
- *-------------------------------------------------------------------------*/
-
-/* reset the HC and BUS */
-
-static int hc_reset (ohci_t *ohci)
-{
-	int timeout = 30;
-	int smm_timeout = 50; /* 0,5 sec */
-
-	dbg("%s\n", __FUNCTION__);
-
-	if (readl (&ohci->regs->control) & OHCI_CTRL_IR) { /* SMM owns the HC */
-		writel (OHCI_OCR, &ohci->regs->cmdstatus); /* request ownership */
-		info("USB HC TakeOver from SMM");
-		while (readl (&ohci->regs->control) & OHCI_CTRL_IR) {
-			wait_ms (10);
-			if (--smm_timeout == 0) {
-				err("USB HC TakeOver failed!");
-				return -1;
-			}
-		}
-	}
-
-	/* Disable HC interrupts */
-	writel (OHCI_INTR_MIE, &ohci->regs->intrdisable);
-
-	dbg("USB HC reset_hc usb-%s: ctrl = 0x%X ;\n",
-		ohci->slot_name,
-		readl(&ohci->regs->control));
-
-	/* Reset USB (needed by some controllers) */
-	writel (0, &ohci->regs->control);
-
-	/* HC Reset requires max 10 us delay */
-	writel (OHCI_HCR,  &ohci->regs->cmdstatus);
-	while ((readl (&ohci->regs->cmdstatus) & OHCI_HCR) != 0) {
-		if (--timeout == 0) {
-			err("USB HC reset timed out!");
-			return -1;
-		}
-		udelay (1);
-	}
-	return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* Start an OHCI controller, set the BUS operational
- * enable interrupts
- * connect the virtual root hub */
-
-static int hc_start (ohci_t * ohci)
-{
-	__u32 mask;
-	unsigned int fminterval;
-
-	ohci->disabled = 1;
-
-	/* Tell the controller where the control and bulk lists are
-	 * The lists are empty now. */
-
-	writel (0, &ohci->regs->ed_controlhead);
-	writel (0, &ohci->regs->ed_bulkhead);
-
-	writel ((__u32)ohci->hcca, &ohci->regs->hcca); /* a reset clears this */
-
-	fminterval = 0x2edf;
-	writel ((fminterval * 9) / 10, &ohci->regs->periodicstart);
-	fminterval |= ((((fminterval - 210) * 6) / 7) << 16);
-	writel (fminterval, &ohci->regs->fminterval);
-	writel (0x628, &ohci->regs->lsthresh);
-
-	/* start controller operations */
-	ohci->hc_control = OHCI_CONTROL_INIT | OHCI_USB_OPER;
-	ohci->disabled = 0;
-	writel (ohci->hc_control, &ohci->regs->control);
-
-	/* disable all interrupts */
-	mask = (OHCI_INTR_SO | OHCI_INTR_WDH | OHCI_INTR_SF | OHCI_INTR_RD |
-			OHCI_INTR_UE | OHCI_INTR_FNO | OHCI_INTR_RHSC |
-			OHCI_INTR_OC | OHCI_INTR_MIE);
-	writel (mask, &ohci->regs->intrdisable);
-	/* clear all interrupts */
-	mask &= ~OHCI_INTR_MIE;
-	writel (mask, &ohci->regs->intrstatus);
-	/* Choose the interrupts we care about now  - but w/o MIE */
-	mask = OHCI_INTR_RHSC | OHCI_INTR_UE | OHCI_INTR_WDH | OHCI_INTR_SO;
-	writel (mask, &ohci->regs->intrenable);
-
-#ifdef	OHCI_USE_NPS
-	/* required for AMD-756 and some Mac platforms */
-	writel ((roothub_a (ohci) | RH_A_NPS) & ~RH_A_PSM,
-		&ohci->regs->roothub.a);
-	writel (RH_HS_LPSC, &ohci->regs->roothub.status);
-#endif	/* OHCI_USE_NPS */
-
-#define mdelay(n) ({unsigned long msec=(n); while (msec--) udelay(1000);})
-	/* POTPGT delay is bits 24-31, in 2 ms units. */
-	mdelay ((roothub_a (ohci) >> 23) & 0x1fe);
-
-	/* connect the virtual root hub */
-	ohci->rh.devnum = 0;
-
-	return 0;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/* an interrupt happens */
-
-static int
-hc_interrupt (void)
-{
-	ohci_t *ohci = &gohci;
-	struct ohci_regs *regs = ohci->regs;
-	int ints;
-	int stat = -1;
-
-	if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) {
-		ints =	OHCI_INTR_WDH;
-	} else {
-		ints = readl (&regs->intrstatus);
-	}
-
-	/* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */
-
-	if (ints & OHCI_INTR_RHSC) {
-		got_rhsc = 1;
-	}
-
-	if (ints & OHCI_INTR_UE) {
-		ohci->disabled++;
-		err ("OHCI Unrecoverable Error, controller usb-%s disabled",
-			ohci->slot_name);
-		/* e.g. due to PCI Master/Target Abort */
-
-#ifdef	DEBUG
-		ohci_dump (ohci, 1);
-#else
-	wait_ms(1);
-#endif
-		/* FIXME: be optimistic, hope that bug won't repeat often. */
-		/* Make some non-interrupt context restart the controller. */
-		/* Count and limit the retries though; either hardware or */
-		/* software errors can go forever... */
-		hc_reset (ohci);
-		return -1;
-	}
-
-	if (ints & OHCI_INTR_WDH) {
-		wait_ms(1);
-		writel (OHCI_INTR_WDH, &regs->intrdisable);
-		stat = dl_done_list (&gohci, dl_reverse_done_list (&gohci));
-		writel (OHCI_INTR_WDH, &regs->intrenable);
-	}
-
-	if (ints & OHCI_INTR_SO) {
-		dbg("USB Schedule overrun\n");
-		writel (OHCI_INTR_SO, &regs->intrenable);
-		stat = -1;
-	}
-
-	/* FIXME:  this assumes SOF (1/ms) interrupts don't get lost... */
-	if (ints & OHCI_INTR_SF) {
-		unsigned int frame = m16_swap (ohci->hcca->frame_no) & 1;
-		wait_ms(1);
-		writel (OHCI_INTR_SF, &regs->intrdisable);
-		if (ohci->ed_rm_list[frame] != NULL)
-			writel (OHCI_INTR_SF, &regs->intrenable);
-		stat = 0xff;
-	}
-
-	writel (ints, &regs->intrstatus);
-	return stat;
-}
-
-/*-------------------------------------------------------------------------*/
-
-/*-------------------------------------------------------------------------*/
-
-/* De-allocate all resources.. */
-
-static void hc_release_ohci (ohci_t *ohci)
-{
-	dbg ("USB HC release ohci usb-%s", ohci->slot_name);
-
-	if (!ohci->disabled)
-		hc_reset (ohci);
-}
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * low level initalisation routine, called from usb.c
- */
-static char ohci_inited = 0;
-
-int usb_lowlevel_init(void)
-{
-	/*
-	 * Enable USB host clock.
-	 */
-	*AT91C_PMC_SCER = AT91C_PMC_UHP;	/* 48MHz clock enabled for UHP */
-	*AT91C_PMC_PCER = 1 << AT91C_ID_UHP;	/* Peripheral Clock Enable Register */
-
-	memset (&gohci, 0, sizeof (ohci_t));
-	memset (&urb_priv, 0, sizeof (urb_priv_t));
-
-	/* align the storage */
-	if ((__u32)&ghcca[0] & 0xff) {
-		err("HCCA not aligned!!");
-		return -1;
-	}
-	phcca = &ghcca[0];
-	info("aligned ghcca %p", phcca);
-	memset(&ohci_dev, 0, sizeof(struct ohci_device));
-	if ((__u32)&ohci_dev.ed[0] & 0x7) {
-		err("EDs not aligned!!");
-		return -1;
-	}
-	memset(gtd, 0, sizeof(td_t) * (NUM_TD + 1));
-	if ((__u32)gtd & 0x7) {
-		err("TDs not aligned!!");
-		return -1;
-	}
-	ptd = gtd;
-	gohci.hcca = phcca;
-	memset (phcca, 0, sizeof (struct ohci_hcca));
-
-	gohci.disabled = 1;
-	gohci.sleeping = 0;
-	gohci.irq = -1;
-	gohci.regs = (struct ohci_regs *)AT91_USB_HOST_BASE;
-
-	gohci.flags = 0;
-	gohci.slot_name = "at91rm9200";
-
-	if (hc_reset (&gohci) < 0) {
-		hc_release_ohci (&gohci);
-		/* Initialization failed */
-		*AT91C_PMC_PCER = AT91C_ID_UHP;
-		*AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP;	/* 48MHz clock disabled for UHP */
-		return -1;
-	}
-
-	/* FIXME this is a second HC reset; why?? */
-/*	writel (gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control);
-	wait_ms (10);*/
-
-	if (hc_start (&gohci) < 0) {
-		err ("can't start usb-%s", gohci.slot_name);
-		hc_release_ohci (&gohci);
-		/* Initialization failed */
-		*AT91C_PMC_PCER = AT91C_ID_UHP;
-		*AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP;	/* 48MHz clock disabled for UHP */
-		return -1;
-	}
-
-#ifdef	DEBUG
-	ohci_dump (&gohci, 1);
-#else
-	wait_ms(1);
-#endif
-	ohci_inited = 1;
-	return 0;
-}
-
-int usb_lowlevel_stop(void)
-{
-	/* this gets called really early - before the controller has */
-	/* even been initialized! */
-	if (!ohci_inited)
-		return 0;
-	/* TODO release any interrupts, etc. */
-	/* call hc_release_ohci() here ? */
-	hc_reset (&gohci);
-	/* may not want to do this */
-	*AT91C_PMC_PCER = 1 << AT91C_ID_UHP;
-	*AT91C_PMC_SCDR = 1 << AT91C_PMC_UHP;	/* 48MHz clock disabled for UHP */
-	return 0;
-}
-
-#endif /* CONFIG_USB_OHCI */
diff --git a/cpu/arm920t/at91rm9200/usb_ohci.h b/cpu/arm920t/at91rm9200/usb_ohci.h
deleted file mode 100644
index ecb4e93..0000000
--- a/cpu/arm920t/at91rm9200/usb_ohci.h
+++ /dev/null
@@ -1,419 +0,0 @@
-/*
- * URB OHCI HCD (Host Controller Driver) for USB.
- *
- * (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
- * (C) Copyright 2000-2001 David Brownell <dbrownell@users.sourceforge.net>
- *
- * usb-ohci.h
- */
-
-
-static int cc_to_error[16] = {
-
-/* mapping of the OHCI CC status to error codes */
-	/* No  Error  */	       0,
-	/* CRC Error  */	       USB_ST_CRC_ERR,
-	/* Bit Stuff  */	       USB_ST_BIT_ERR,
-	/* Data Togg  */	       USB_ST_CRC_ERR,
-	/* Stall      */	       USB_ST_STALLED,
-	/* DevNotResp */	       -1,
-	/* PIDCheck   */	       USB_ST_BIT_ERR,
-	/* UnExpPID   */	       USB_ST_BIT_ERR,
-	/* DataOver   */	       USB_ST_BUF_ERR,
-	/* DataUnder  */	       USB_ST_BUF_ERR,
-	/* reservd    */	       -1,
-	/* reservd    */	       -1,
-	/* BufferOver */	       USB_ST_BUF_ERR,
-	/* BuffUnder  */	       USB_ST_BUF_ERR,
-	/* Not Access */	       -1,
-	/* Not Access */	       -1
-};
-
-/* ED States */
-
-#define ED_NEW		0x00
-#define ED_UNLINK	0x01
-#define ED_OPER		0x02
-#define ED_DEL		0x04
-#define ED_URB_DEL	0x08
-
-/* usb_ohci_ed */
-struct ed {
-	__u32 hwINFO;
-	__u32 hwTailP;
-	__u32 hwHeadP;
-	__u32 hwNextED;
-
-	struct ed *ed_prev;
-	__u8 int_period;
-	__u8 int_branch;
-	__u8 int_load;
-	__u8 int_interval;
-	__u8 state;
-	__u8 type;
-	__u16 last_iso;
-	struct ed *ed_rm_list;
-
-	struct usb_device *usb_dev;
-	__u32 unused[3];
-} __attribute((aligned(16)));
-typedef struct ed ed_t;
-
-
-/* TD info field */
-#define TD_CC	    0xf0000000
-#define TD_CC_GET(td_p) ((td_p >>28) & 0x0f)
-#define TD_CC_SET(td_p, cc) (td_p) = ((td_p) & 0x0fffffff) | (((cc) & 0x0f) << 28)
-#define TD_EC	    0x0C000000
-#define TD_T	    0x03000000
-#define TD_T_DATA0  0x02000000
-#define TD_T_DATA1  0x03000000
-#define TD_T_TOGGLE 0x00000000
-#define TD_R	    0x00040000
-#define TD_DI	    0x00E00000
-#define TD_DI_SET(X) (((X) & 0x07)<< 21)
-#define TD_DP	    0x00180000
-#define TD_DP_SETUP 0x00000000
-#define TD_DP_IN    0x00100000
-#define TD_DP_OUT   0x00080000
-
-#define TD_ISO	    0x00010000
-#define TD_DEL	    0x00020000
-
-/* CC Codes */
-#define TD_CC_NOERROR	   0x00
-#define TD_CC_CRC	   0x01
-#define TD_CC_BITSTUFFING  0x02
-#define TD_CC_DATATOGGLEM  0x03
-#define TD_CC_STALL	   0x04
-#define TD_DEVNOTRESP	   0x05
-#define TD_PIDCHECKFAIL	   0x06
-#define TD_UNEXPECTEDPID   0x07
-#define TD_DATAOVERRUN	   0x08
-#define TD_DATAUNDERRUN	   0x09
-#define TD_BUFFEROVERRUN   0x0C
-#define TD_BUFFERUNDERRUN  0x0D
-#define TD_NOTACCESSED	   0x0F
-
-
-#define MAXPSW 1
-
-struct td {
-	__u32 hwINFO;
-	__u32 hwCBP;		/* Current Buffer Pointer */
-	__u32 hwNextTD;		/* Next TD Pointer */
-	__u32 hwBE;		/* Memory Buffer End Pointer */
-
-	__u16 hwPSW[MAXPSW];
-	__u8 unused;
-	__u8 index;
-	struct ed *ed;
-	struct td *next_dl_td;
-	struct usb_device *usb_dev;
-	int transfer_len;
-	__u32 data;
-
-	__u32 unused2[2];
-} __attribute((aligned(32)));
-typedef struct td td_t;
-
-#define OHCI_ED_SKIP	(1 << 14)
-
-/*
- * The HCCA (Host Controller Communications Area) is a 256 byte
- * structure defined in the OHCI spec. that the host controller is
- * told the base address of.  It must be 256-byte aligned.
- */
-
-#define NUM_INTS 32	/* part of the OHCI standard */
-struct ohci_hcca {
-	__u32	int_table[NUM_INTS];	/* Interrupt ED table */
-	__u16	frame_no;		/* current frame number */
-	__u16	pad1;			/* set to 0 on each frame_no change */
-	__u32	done_head;		/* info returned for an interrupt */
-	u8		reserved_for_hc[116];
-} __attribute((aligned(256)));
-
-
-/*
- * Maximum number of root hub ports.
- */
-#define MAX_ROOT_PORTS	15	/* maximum OHCI root hub ports */
-
-/*
- * This is the structure of the OHCI controller's memory mapped I/O
- * region.  This is Memory Mapped I/O.	You must use the readl() and
- * writel() macros defined in asm/io.h to access these!!
- */
-struct ohci_regs {
-	/* control and status registers */
-	__u32	revision;
-	__u32	control;
-	__u32	cmdstatus;
-	__u32	intrstatus;
-	__u32	intrenable;
-	__u32	intrdisable;
-	/* memory pointers */
-	__u32	hcca;
-	__u32	ed_periodcurrent;
-	__u32	ed_controlhead;
-	__u32	ed_controlcurrent;
-	__u32	ed_bulkhead;
-	__u32	ed_bulkcurrent;
-	__u32	donehead;
-	/* frame counters */
-	__u32	fminterval;
-	__u32	fmremaining;
-	__u32	fmnumber;
-	__u32	periodicstart;
-	__u32	lsthresh;
-	/* Root hub ports */
-	struct	ohci_roothub_regs {
-		__u32	a;
-		__u32	b;
-		__u32	status;
-		__u32	portstatus[MAX_ROOT_PORTS];
-	} roothub;
-} __attribute((aligned(32)));
-
-
-/* OHCI CONTROL AND STATUS REGISTER MASKS */
-
-/*
- * HcControl (control) register masks
- */
-#define OHCI_CTRL_CBSR	(3 << 0)	/* control/bulk service ratio */
-#define OHCI_CTRL_PLE	(1 << 2)	/* periodic list enable */
-#define OHCI_CTRL_IE	(1 << 3)	/* isochronous enable */
-#define OHCI_CTRL_CLE	(1 << 4)	/* control list enable */
-#define OHCI_CTRL_BLE	(1 << 5)	/* bulk list enable */
-#define OHCI_CTRL_HCFS	(3 << 6)	/* host controller functional state */
-#define OHCI_CTRL_IR	(1 << 8)	/* interrupt routing */
-#define OHCI_CTRL_RWC	(1 << 9)	/* remote wakeup connected */
-#define OHCI_CTRL_RWE	(1 << 10)	/* remote wakeup enable */
-
-/* pre-shifted values for HCFS */
-#	define OHCI_USB_RESET	(0 << 6)
-#	define OHCI_USB_RESUME	(1 << 6)
-#	define OHCI_USB_OPER	(2 << 6)
-#	define OHCI_USB_SUSPEND (3 << 6)
-
-/*
- * HcCommandStatus (cmdstatus) register masks
- */
-#define OHCI_HCR	(1 << 0)	/* host controller reset */
-#define OHCI_CLF	(1 << 1)	/* control list filled */
-#define OHCI_BLF	(1 << 2)	/* bulk list filled */
-#define OHCI_OCR	(1 << 3)	/* ownership change request */
-#define OHCI_SOC	(3 << 16)	/* scheduling overrun count */
-
-/*
- * masks used with interrupt registers:
- * HcInterruptStatus (intrstatus)
- * HcInterruptEnable (intrenable)
- * HcInterruptDisable (intrdisable)
- */
-#define OHCI_INTR_SO	(1 << 0)	/* scheduling overrun */
-#define OHCI_INTR_WDH	(1 << 1)	/* writeback of done_head */
-#define OHCI_INTR_SF	(1 << 2)	/* start frame */
-#define OHCI_INTR_RD	(1 << 3)	/* resume detect */
-#define OHCI_INTR_UE	(1 << 4)	/* unrecoverable error */
-#define OHCI_INTR_FNO	(1 << 5)	/* frame number overflow */
-#define OHCI_INTR_RHSC	(1 << 6)	/* root hub status change */
-#define OHCI_INTR_OC	(1 << 30)	/* ownership change */
-#define OHCI_INTR_MIE	(1 << 31)	/* master interrupt enable */
-
-
-/* Virtual Root HUB */
-struct virt_root_hub {
-	int devnum; /* Address of Root Hub endpoint */
-	void *dev;  /* was urb */
-	void *int_addr;
-	int send;
-	int interval;
-};
-
-/* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */
-
-/* destination of request */
-#define RH_INTERFACE		   0x01
-#define RH_ENDPOINT		   0x02
-#define RH_OTHER		   0x03
-
-#define RH_CLASS		   0x20
-#define RH_VENDOR		   0x40
-
-/* Requests: bRequest << 8 | bmRequestType */
-#define RH_GET_STATUS		0x0080
-#define RH_CLEAR_FEATURE	0x0100
-#define RH_SET_FEATURE		0x0300
-#define RH_SET_ADDRESS		0x0500
-#define RH_GET_DESCRIPTOR	0x0680
-#define RH_SET_DESCRIPTOR	0x0700
-#define RH_GET_CONFIGURATION	0x0880
-#define RH_SET_CONFIGURATION	0x0900
-#define RH_GET_STATE		0x0280
-#define RH_GET_INTERFACE	0x0A80
-#define RH_SET_INTERFACE	0x0B00
-#define RH_SYNC_FRAME		0x0C80
-/* Our Vendor Specific Request */
-#define RH_SET_EP		0x2000
-
-
-/* Hub port features */
-#define RH_PORT_CONNECTION	   0x00
-#define RH_PORT_ENABLE		   0x01
-#define RH_PORT_SUSPEND		   0x02
-#define RH_PORT_OVER_CURRENT	   0x03
-#define RH_PORT_RESET		   0x04
-#define RH_PORT_POWER		   0x08
-#define RH_PORT_LOW_SPEED	   0x09
-
-#define RH_C_PORT_CONNECTION	   0x10
-#define RH_C_PORT_ENABLE	   0x11
-#define RH_C_PORT_SUSPEND	   0x12
-#define RH_C_PORT_OVER_CURRENT	   0x13
-#define RH_C_PORT_RESET		   0x14
-
-/* Hub features */
-#define RH_C_HUB_LOCAL_POWER	   0x00
-#define RH_C_HUB_OVER_CURRENT	   0x01
-
-#define RH_DEVICE_REMOTE_WAKEUP	   0x00
-#define RH_ENDPOINT_STALL	   0x01
-
-#define RH_ACK			   0x01
-#define RH_REQ_ERR		   -1
-#define RH_NACK			   0x00
-
-
-/* OHCI ROOT HUB REGISTER MASKS */
-
-/* roothub.portstatus [i] bits */
-#define RH_PS_CCS	     0x00000001		/* current connect status */
-#define RH_PS_PES	     0x00000002		/* port enable status*/
-#define RH_PS_PSS	     0x00000004		/* port suspend status */
-#define RH_PS_POCI	     0x00000008		/* port over current indicator */
-#define RH_PS_PRS	     0x00000010		/* port reset status */
-#define RH_PS_PPS	     0x00000100		/* port power status */
-#define RH_PS_LSDA	     0x00000200		/* low speed device attached */
-#define RH_PS_CSC	     0x00010000		/* connect status change */
-#define RH_PS_PESC	     0x00020000		/* port enable status change */
-#define RH_PS_PSSC	     0x00040000		/* port suspend status change */
-#define RH_PS_OCIC	     0x00080000		/* over current indicator change */
-#define RH_PS_PRSC	     0x00100000		/* port reset status change */
-
-/* roothub.status bits */
-#define RH_HS_LPS	     0x00000001		/* local power status */
-#define RH_HS_OCI	     0x00000002		/* over current indicator */
-#define RH_HS_DRWE	     0x00008000		/* device remote wakeup enable */
-#define RH_HS_LPSC	     0x00010000		/* local power status change */
-#define RH_HS_OCIC	     0x00020000		/* over current indicator change */
-#define RH_HS_CRWE	     0x80000000		/* clear remote wakeup enable */
-
-/* roothub.b masks */
-#define RH_B_DR		0x0000ffff		/* device removable flags */
-#define RH_B_PPCM	0xffff0000		/* port power control mask */
-
-/* roothub.a masks */
-#define RH_A_NDP	(0xff << 0)		/* number of downstream ports */
-#define RH_A_PSM	(1 << 8)		/* power switching mode */
-#define RH_A_NPS	(1 << 9)		/* no power switching */
-#define RH_A_DT		(1 << 10)		/* device type (mbz) */
-#define RH_A_OCPM	(1 << 11)		/* over current protection mode */
-#define RH_A_NOCP	(1 << 12)		/* no over current protection */
-#define RH_A_POTPGT	(0xff << 24)		/* power on to power good time */
-
-/* urb */
-#define N_URB_TD 48
-typedef struct
-{
-	ed_t *ed;
-	__u16 length;	/* number of tds associated with this request */
-	__u16 td_cnt;	/* number of tds already serviced */
-	int   state;
-	unsigned long pipe;
-	int actual_length;
-	td_t *td[N_URB_TD];	/* list pointer to all corresponding TDs associated with this request */
-} urb_priv_t;
-#define URB_DEL 1
-
-/*
- * This is the full ohci controller description
- *
- * Note how the "proper" USB information is just
- * a subset of what the full implementation needs. (Linus)
- */
-
-
-typedef struct ohci {
-	struct ohci_hcca *hcca;		/* hcca */
-	/*dma_addr_t hcca_dma;*/
-
-	int irq;
-	int disabled;			/* e.g. got a UE, we're hung */
-	int sleeping;
-	unsigned long flags;		/* for HC bugs */
-
-	struct ohci_regs *regs; /* OHCI controller's memory */
-
-	ed_t *ed_rm_list[2];	 /* lists of all endpoints to be removed */
-	ed_t *ed_bulktail;	 /* last endpoint of bulk list */
-	ed_t *ed_controltail;	 /* last endpoint of control list */
-	int intrstatus;
-	__u32 hc_control;		/* copy of the hc control reg */
-	struct usb_device *dev[32];
-	struct virt_root_hub rh;
-
-	const char	*slot_name;
-} ohci_t;
-
-#define NUM_EDS 8		/* num of preallocated endpoint descriptors */
-
-struct ohci_device {
-	ed_t	ed[NUM_EDS];
-	int ed_cnt;
-};
-
-/* hcd */
-/* endpoint */
-static int ep_link(ohci_t * ohci, ed_t * ed);
-static int ep_unlink(ohci_t * ohci, ed_t * ed);
-static ed_t * ep_add_ed(struct usb_device * usb_dev, unsigned long pipe);
-
-/*-------------------------------------------------------------------------*/
-
-/* we need more TDs than EDs */
-#define NUM_TD 64
-
-/* +1 so we can align the storage */
-td_t gtd[NUM_TD+1];
-/* pointers to aligned storage */
-td_t *ptd;
-
-/* TDs ... */
-static inline struct td *
-td_alloc (struct usb_device *usb_dev)
-{
-	int i;
-	struct td	*td;
-
-	td = NULL;
-	for (i = 0; i < NUM_TD; i++)
-	{
-		if (ptd[i].usb_dev == NULL)
-		{
-			td = &ptd[i];
-			td->usb_dev = usb_dev;
-			break;
-		}
-	}
-
-	return td;
-}
-
-static inline void
-ed_free (struct ed *ed)
-{
-	ed->usb_dev = NULL;
-}
diff --git a/cpu/arm920t/s3c24x0/Makefile b/cpu/arm920t/s3c24x0/Makefile
index af9e4ef..f81f84d 100644
--- a/cpu/arm920t/s3c24x0/Makefile
+++ b/cpu/arm920t/s3c24x0/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= lib$(SOC).a
 
 OBJS	= i2c.o interrupts.o serial.o speed.o \
-	  usb_ohci.o
+	  usb.o
 
 all:	.depend $(LIB)
 
diff --git a/cpu/arm920t/s3c24x0/usb.c b/cpu/arm920t/s3c24x0/usb.c
new file mode 100644
index 0000000..8114034
--- /dev/null
+++ b/cpu/arm920t/s3c24x0/usb.c
@@ -0,0 +1,72 @@
+/*
+ * (C) Copyright 2006
+ * DENX Software Engineering <mk@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT)
+# if defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410)
+
+#if defined(CONFIG_S3C2400)
+# include <s3c2400.h>
+#elif defined(CONFIG_S3C2410)
+# include <s3c2410.h>
+#endif
+
+int usb_cpu_init()
+{
+
+	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+	S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO();
+
+	/*
+	 * Set the 48 MHz UPLL clocking. Values are taken from
+	 * "PLL value selection guide", 6-23, s3c2400_UM.pdf.
+	 */
+	clk_power->UPLLCON = ((40 << 12) + (1 << 4) + 2);
+	gpio->MISCCR |= 0x8; /* 1 = use pads related USB for USB host */
+
+	/*
+	 * Enable USB host clock.
+	 */
+	clk_power->CLKCON |= (1 << 4);
+
+	return 0;
+}
+
+int usb_cpu_stop()
+{
+	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+	/* may not want to do this */
+	clk_power->CLKCON &= ~(1 << 4);
+	return 0;
+}
+
+int usb_cpu_init_fail()
+{
+	S3C24X0_CLOCK_POWER * const clk_power = S3C24X0_GetBase_CLOCK_POWER();
+	clk_power->CLKCON &= ~(1 << 4);
+	return 0;
+}
+
+# endif /* defined(CONFIG_S3C2400) || defined(CONFIG_S3C2410) */
+#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */
diff --git a/cpu/pxa/Makefile b/cpu/pxa/Makefile
index 1af53d6..bd476f1 100644
--- a/cpu/pxa/Makefile
+++ b/cpu/pxa/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk
 LIB	= lib$(CPU).a
 
 START	= start.o
-OBJS	= serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o
+OBJS	= serial.o interrupts.o cpu.o i2c.o pxafb.o mmc.o usb.o
 
 all:	.depend $(START) $(LIB)
 
diff --git a/cpu/pxa/usb.c b/cpu/pxa/usb.c
new file mode 100644
index 0000000..bff5bfb
--- /dev/null
+++ b/cpu/pxa/usb.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2006
+ * Markus Klotzbuecher, DENX Software Engineering <mk@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+
+#if defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT)
+# ifdef CONFIG_CPU_MONAHANS
+
+#include <asm/arch/pxa-regs.h>
+
+int usb_cpu_init()
+{
+	/* Enable USB host clock. */
+	CKENA |= (CKENA_2_USBHOST |  CKENA_20_UDC);
+	udelay(100);
+
+	/* Configure Port 2 for Host (USB Client Registers) */
+	UP2OCR = 0x3000c;
+
+#if 0
+	GPIO2_2 = 0x801; /* USBHPEN - Alt. Fkt. 1 */
+	GPIO3_2 = 0x801; /* USBHPWR - Alt. Fkt. 1 */
+#endif
+
+	UHCHR |= UHCHR_FHR;
+	wait_ms(11);
+	UHCHR &= ~UHCHR_FHR;
+
+	UHCHR |= UHCHR_FSBIR;
+	while (UHCHR & UHCHR_FSBIR)
+		udelay(1);
+
+#if 0
+	UHCHR |= UHCHR_PCPL; /* USBHPEN is active low */
+	UHCHR |= UHCHR_PSPL; /* USBHPWR is active low */
+#endif
+
+	UHCHR &= ~UHCHR_SSEP0;
+	UHCHR &= ~UHCHR_SSEP1;
+	UHCHR &= ~UHCHR_SSE;
+
+	return 0;
+}
+
+int usb_cpu_stop()
+{
+	/* may not want to do this */
+	/* CKENA &= ~(CKENA_2_USBHOST |  CKENA_20_UDC); */
+	return 0;
+}
+
+int usb_cpu_init_fail()
+{
+	return 0;
+}
+
+# endif /* CONFIG_CPU_MONAHANS */
+#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_CPU_INIT) */