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

15 files changed, 438 insertions, 50 deletions

diff --git a/board/delta/delta.c b/board/delta/delta.c
index b127ac8..6e22774 100644
--- a/board/delta/delta.c
+++ b/board/delta/delta.c
@@ -1,10 +1,6 @@
 /*
- * (C) Copyright 2002
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
+ * (C) Copyright 2006
+ * DENX Software Engineering
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -98,7 +94,6 @@ int board_late_init(void)
 	return 0;
 }
 
-
 /*
  * Magic Key Handling, mainly copied from board/lwmon/lwmon.c
  */
@@ -324,6 +319,12 @@ static void init_DA9030()
 		return;
 	}
 
+	val = 0x80;
+	if(i2c_write(addr, IRQ_MASK_B, 1, &val, 1)) {
+		printf("Error accessing DA9030 via i2c.\n");
+		return;
+	}
+
 	i2c_reg_write(addr, REG_CONTROL_1_97, 0xfd); /* disable LDO1, enable LDO6 */
 	i2c_reg_write(addr, LDO2_3, 0xd1);	/* LDO2 =1,9V, LDO3=3,1V */
 	i2c_reg_write(addr, LDO4_5, 0xcc);	/* LDO2 =1,9V, LDO3=3,1V */
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/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) */
diff --git a/drivers/Makefile b/drivers/Makefile
index e6176ed..d5b6811 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -46,7 +46,7 @@ OBJS	= 3c589.o 5701rls.o ali512x.o \
 	  sl811_usb.o sm501.o smc91111.o smiLynxEM.o \
 	  status_led.o sym53c8xx.o \
 	  ti_pci1410a.o tigon3.o tsec.o \
-	  usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \
+	  usb_ohci.o usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \
 	  videomodes.o w83c553f.o \
 	  ks8695eth.o
 
diff --git a/cpu/arm920t/at91rm9200/usb_ohci.c b/drivers/usb_ohci.c
index 5b2c56c..9b3ca12 100644
--- a/cpu/arm920t/at91rm9200/usb_ohci.c
+++ b/drivers/usb_ohci.c
@@ -21,7 +21,7 @@
  *
  * 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
+ * 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
@@ -45,13 +45,28 @@
 
 #ifdef CONFIG_USB_OHCI
 
-#include <asm/arch/hardware.h>
+#if defined(CONFIG_S3C2400)
+# include <s3c2400.h>
+#elif defined(CONFIG_S3C2410)
+# include <s3c2410.h>
+#elif defined(CONFIG_ARM920T)
+# include <asm/arch/hardware.h>
+#elif defined(CONFIG_CPU_MONAHANS)
+# include <asm/arch/pxa-regs.h>
+#endif
 
 #include <malloc.h>
 #include <usb.h>
 #include "usb_ohci.h"
 
-#define OHCI_USE_NPS		/* force NoPowerSwitching mode */
+#undef S3C24X0_merge
+
+#if defined(CONFIG_ARM920T) || \
+    defined(CONFIG_S3C2400) || \
+    defined(CONFIG_S3C2410)
+# define OHCI_USE_NPS		/* force NoPowerSwitching mode */
+#endif
+
 #undef OHCI_VERBOSE_DEBUG	/* not always helpful */
 
 /* For initializing controller (mask in an HCFS mode too) */
@@ -95,6 +110,12 @@ int got_rhsc;
 /* device which was disconnected */
 struct usb_device *devgone;
 
+#ifdef S3C24X0_merge
+/* flag guarding URB transation */
+int urb_finished = 0;
+#endif
+
+
 /*-------------------------------------------------------------------------*/
 
 /* AMD-756 (D2 rev) reports corrupt register contents in some cases.
@@ -399,6 +420,17 @@ int sohci_submit_job(struct usb_device *dev, unsigned long pipe, void *buffer,
 		err("sohci_submit_job: EPIPE");
 		return -1;
 	}
+#ifdef S3C24X0_merge
+	/* if we have an unfinished URB from previous transaction let's
+	 * fail and scream as quickly as possible so as not to corrupt
+	 * further communication */
+	if (!urb_finished) {
+		err("sohci_submit_job: URB NOT FINISHED");
+		return -1;
+	}
+	/* we're about to begin a new transaction here so mark the URB unfinished */
+	urb_finished = 0;
+#endif
 
 	/* every endpoint has a ed, locate and fill it */
 	if (!(ed = ep_add_ed (dev, pipe))) {
@@ -571,12 +603,14 @@ static int ep_unlink (ohci_t *ohci, ed_t *ed)
 
 /*-------------------------------------------------------------------------*/
 
-/* 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 */
-
+/* 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;
@@ -660,7 +694,9 @@ static void td_fill (ohci_t *ohci, unsigned int info,
 	else
 		td->hwBE = 0;
 	td->hwNextTD = m32_swap (td_pt);
+#ifndef S3C24X0_merge
 	td->hwPSW [0] = m16_swap (((__u32)data & 0x0FFF) | 0xE000);
+#endif
 
 	/* append to queue */
 	td->ed->hwTailP = td->hwNextTD;
@@ -827,7 +863,18 @@ static int dl_done_list (ohci_t *ohci, td_t *td_list)
 			dbg("ConditionCode %#x", cc);
 			stat = cc_to_error[cc];
 		}
-
+#ifdef S3C24X0_merge
+		/* see if this done list makes for all TD's of current URB,
+		 * and mark the URB finished if so */
+		if (++(lurb_priv->td_cnt) == lurb_priv->length) {
+			if ((ed->state & (ED_OPER | ED_UNLINK)))
+				urb_finished = 1;
+			else
+				dbg("dl_done_list: strange.., ED state %x, ed->state\n");
+		} else
+			dbg("dl_done_list: processing TD %x, len %x\n", lurb_priv->td_cnt,
+				lurb_priv->length);
+#endif
 		if (ed->state != ED_NEW) {
 			edHeadP = m32_swap (ed->hwHeadP) & 0xfffffff0;
 			edTailP = m32_swap (ed->hwTailP);
@@ -974,7 +1021,6 @@ int rh_check_port_status(ohci_t *controller)
 #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 */
@@ -1170,7 +1216,7 @@ pkt_print(dev, pipe, buffer, transfer_len, cmd, "SUB(rh)", usb_pipein(pipe));
 		}
 
 		len = min_t(unsigned int, leni,
-		min_t(unsigned int, data_buf [0], wLength));
+			    min_t(unsigned int, data_buf [0], wLength));
 		OK (len);
 	}
 
@@ -1258,18 +1304,38 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 			stat = USB_ST_CRC_ERR;
 			break;
 		}
+
+#ifdef S3C24X0_merge
+		/* NOTE: since we are not interrupt driven in U-Boot and always
+		 * handle only one URB at a time, we cannot assume the
+		 * transaction finished on the first successful return from
+		 * hc_interrupt().. unless the flag for current URB is set,
+		 * meaning that all TD's to/from device got actually
+		 * transferred and processed. If the current URB is not
+		 * finished we need to re-iterate this loop so as
+		 * hc_interrupt() gets called again as there needs to be some
+		 * more TD's to process still */
+		if ((stat >= 0) && (stat != 0xff) && (urb_finished)) {
+#else
 		if (stat >= 0 && stat != 0xff) {
+#endif
 			/* 0xff is returned for an SF-interrupt */
 			break;
 		}
+
 		if (--timeout) {
 			wait_ms(1);
 		} else {
 			err("CTL:TIMEOUT ");
+#ifdef S3C24X0_merge
+			dbg("submit_common_msg: TO status %x\n", stat);
+			urb_finished = 1;
+#endif
 			stat = USB_ST_CRC_ERR;
 			break;
 		}
 	}
+#ifndef S3C24X0_merge
 	/* we got an Root Hub Status Change interrupt */
 	if (got_rhsc) {
 #ifdef DEBUG
@@ -1291,6 +1357,7 @@ int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
 			devgone = dev;
 		}
 	}
+#endif /* S3C24X0_merge */
 
 	dev->status = stat;
 	dev->act_len = transfer_len;
@@ -1460,24 +1527,40 @@ static int hc_start (ohci_t * ohci)
 
 /* an interrupt happens */
 
-static int
-hc_interrupt (void)
+static int hc_interrupt (void)
 {
 	ohci_t *ohci = &gohci;
 	struct ohci_regs *regs = ohci->regs;
 	int ints;
 	int stat = -1;
 
+#ifdef S3C24X0_merge
+
+	if ((ohci->hcca->done_head != 0) &&
+	    !(m32_swap (ohci->hcca->done_head) & 0x01)) {
+		ints =  OHCI_INTR_WDH;
+	} else if ((ints = readl (&regs->intrstatus)) == ~(u32)0) {
+		ohci->disabled++;
+		err ("%s device removed!", ohci->slot_name);
+		return -1;
+	} else if ((ints &= readl (&regs->intrenable)) == 0) {
+		dbg("hc_interrupt: returning..\n");
+		return 0xff;
+	}
+#else
 	if ((ohci->hcca->done_head != 0) && !(m32_swap (ohci->hcca->done_head) & 0x01)) {
 		ints =	OHCI_INTR_WDH;
 	} else {
 		ints = readl (&regs->intrstatus);
 	}
-
+#endif
 	/* dbg("Interrupt: %x frame: %x", ints, le16_to_cpu (ohci->hcca->frame_no)); */
 
 	if (ints & OHCI_INTR_RHSC) {
 		got_rhsc = 1;
+#ifdef S3C24X0_merge
+		stat = 0xff;
+#endif
 	}
 
 	if (ints & OHCI_INTR_UE) {
@@ -1549,12 +1632,18 @@ 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 */
 
+#ifdef CFG_USB_OHCI_CPU_INIT
+	/* cpu dependant init */
+	if(usb_cpu_init())
+		return -1;
+#endif
+
+#ifdef CFG_USB_OHCI_BOARD_INIT
+	/*  board dependant init */
+	if(usb_board_init())
+		return -1;
+#endif
 	memset (&gohci, 0, sizeof (ohci_t));
 	memset (&urb_priv, 0, sizeof (urb_priv_t));
 
@@ -1582,29 +1671,42 @@ int usb_lowlevel_init(void)
 	gohci.disabled = 1;
 	gohci.sleeping = 0;
 	gohci.irq = -1;
-	gohci.regs = (struct ohci_regs *)AT91_USB_HOST_BASE;
+	gohci.regs = (struct ohci_regs *)CFG_USB_OHCI_REGS_BASE;
 
 	gohci.flags = 0;
-	gohci.slot_name = "at91rm9200";
+	gohci.slot_name = CFG_USB_OHCI_SLOT_NAME;
 
 	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 */
+		err ("can't reset usb-%s", gohci.slot_name);
+#ifdef CFG_USB_OHCI_BOARD_INIT
+		/* board dependant cleanup */
+		usb_board_init_fail();
+#endif
+
+#ifdef CFG_USB_OHCI_CPU_INIT
+		/* cpu dependant cleanup */
+		usb_cpu_init_fail();
+#endif
 		return -1;
 	}
 
 	/* FIXME this is a second HC reset; why?? */
-/*	writel (gohci.hc_control = OHCI_USB_RESET, &gohci.regs->control);
-	wait_ms (10);*/
-
+	/* 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 */
+#ifdef CFG_USB_OHCI_BOARD_INIT
+		/* board dependant cleanup */
+		usb_board_stop();
+#endif
+
+#ifdef CFG_USB_OHCI_CPU_INIT
+		/* cpu dependant cleanup */
+		usb_cpu_stop();
+#endif
 		return -1;
 	}
 
@@ -1612,6 +1714,9 @@ int usb_lowlevel_init(void)
 	ohci_dump (&gohci, 1);
 #else
 	wait_ms(1);
+# ifdef S3C24X0_merge
+	urb_finished = 1;
+# endif
 #endif
 	ohci_inited = 1;
 	return 0;
@@ -1626,9 +1731,19 @@ int usb_lowlevel_stop(void)
 	/* 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 */
+
+#ifdef CFG_USB_OHCI_BOARD_INIT
+	/* board dependant cleanup */
+	if(usb_board_stop())
+		return -1;
+#endif
+
+#ifdef CFG_USB_OHCI_CPU_INIT
+	/* cpu dependant cleanup */
+	if(usb_cpu_stop())
+		return -1;
+#endif
+
 	return 0;
 }
 
diff --git a/cpu/arm920t/at91rm9200/usb_ohci.h b/drivers/usb_ohci.h
index ecb4e93..a1b36ed 100644
--- a/cpu/arm920t/at91rm9200/usb_ohci.h
+++ b/drivers/usb_ohci.h
@@ -7,6 +7,19 @@
  * usb-ohci.h
  */
 
+/* functions for doing board specific setup/cleanup */
+#ifdef CFG_USB_BOARD_INIT
+extern int usb_board_init(void);
+extern int usb_board_stop(void);
+extern int usb_cpu_init_fail(void);
+#endif
+
+#ifdef CFG_USB_CPU_INIT
+extern int usb_cpu_init(void);
+extern int usb_cpu_stop(void);
+extern int usb_cpu_init_fail(void);
+#endif
+
 
 static int cc_to_error[16] = {
 
@@ -138,7 +151,7 @@ struct ohci_hcca {
 /*
  * Maximum number of root hub ports.
  */
-#define MAX_ROOT_PORTS	15	/* maximum OHCI root hub ports */
+#define MAX_ROOT_PORTS	3	/* maximum OHCI root hub ports */
 
 /*
  * This is the structure of the OHCI controller's memory mapped I/O
diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h
index ebda719..c47306c 100644
--- a/include/asm-arm/arch-pxa/pxa-regs.h
+++ b/include/asm-arm/arch-pxa/pxa-regs.h
@@ -592,9 +592,11 @@ typedef void		(*ExcpHndlr) (void) ;
 #define PMC_REG_BASE	__REG(0x40500400)  /* Primary Modem Codec */
 #define SMC_REG_BASE	__REG(0x40500500)  /* Secondary Modem Codec */
 
+
 /*
  * USB Device Controller
  */
+#ifndef CONFIG_CPU_MONAHANS
 #define UDC_RES1	__REG(0x40600004)  /* UDC Undocumented - Reserved1 */
 #define UDC_RES2	__REG(0x40600008)  /* UDC Undocumented - Reserved2 */
 #define UDC_RES3	__REG(0x4060000C)  /* UDC Undocumented - Reserved3 */
@@ -749,11 +751,30 @@ typedef void		(*ExcpHndlr) (void) ;
 #define USIR1_IR13	(1 << 5)	/* Interrup request ep 13 */
 #define USIR1_IR14	(1 << 6)	/* Interrup request ep 14 */
 #define USIR1_IR15	(1 << 7)	/* Interrup request ep 15 */
+#endif /* ! CONFIG_CPU_MONAHANS */
+
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
+
+/*
+ * USB Client Controller (incomplete)
+ */
+#define UDCCR		__REG(0x40600000)
+#define UDCICR0		__REG(0x40600004)
+#define UDCCIR0		__REG(0x40600008)
+#define UDCISR0		__REG(0x4060000c)
+#define UDCSIR1		__REG(0x40600010)
+#define UDCFNR		__REG(0x40600014)
+#define UDCOTGICR	__REG(0x40600018)
+#define UDCOTGISR	__REG(0x4060001c)
+#define UP2OCR		__REG(0x40600020)
+#define UP3OCR		__REG(0x40600024)
+
+
 
-#if defined(CONFIG_PXA27X)
 /*
  * USB Host Controller
  */
+#define OHCI_REGS_BASE	0x4C000000	/* required for ohci driver */
 #define UHCREV		__REG(0x4C000000)
 #define UHCHCON		__REG(0x4C000004)
 #define UHCCOMS		__REG(0x4C000008)
diff --git a/include/configs/delta.h b/include/configs/delta.h
index 91284fd..fea821a 100644
--- a/include/configs/delta.h
+++ b/include/configs/delta.h
@@ -94,12 +94,25 @@
 # define CONFIG_COMMANDS	((CONFIG_CMD_DFL \
 				  | CFG_CMD_ENV \
 				  | CFG_CMD_NAND \
-				  | CFG_CMD_I2C) \
+				  | CFG_CMD_I2C \
+				  | CFG_CMD_USB \
+				  | CFG_CMD_FAT) \
 				 & ~(CFG_CMD_NET \
 				     | CFG_CMD_FLASH \
 				     | CFG_CMD_IMLS))
 #endif
 
+/* USB */
+#define CONFIG_USB_OHCI         1
+#define CONFIG_USB_STORAGE      1
+#define CONFIG_DOS_PARTITION    1
+
+#undef CFG_USB_OHCI_BOARD_INIT
+#define CFG_USB_OHCI_CPU_INIT	1
+#define CFG_USB_OHCI_REGS_BASE	OHCI_REGS_BASE
+#define CFG_USB_OHCI_SLOT_NAME	"delta"
+
+#define LITTLEENDIAN            1       /* used by usb_ohci.c  */
 
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>
diff --git a/include/configs/mp2usb.h b/include/configs/mp2usb.h
index 04f1f24..edb20f8 100644
--- a/include/configs/mp2usb.h
+++ b/include/configs/mp2usb.h
@@ -107,6 +107,11 @@
 #define CONFIG_DOS_PARTITION	1
 #define CONFIG_AT91C_PQFP_UHPBUG 1
 
+#undef CFG_USB_OHCI_BOARD_INIT
+#define CFG_USB_OHCI_CPU_INIT		1
+#define CFG_USB_OHCI_REGS_BASE		AT91_USB_HOST_BASE
+#define CFG_USB_OHCI_SLOT_NAME		"at91rm9200"
+
 #undef CONFIG_HARD_I2C
 
 #ifdef CONFIG_HARD_I2C
@@ -127,7 +132,7 @@
 #define CONFIG_COMMANDS		\
 		       ((CONFIG_CMD_DFL	| \
 			CFG_CMD_DATE	| \
-			CFG_CMD_DHCP 	| \
+			CFG_CMD_DHCP	| \
 			CFG_CMD_EEPROM	| \
 			CFG_CMD_I2C	| \
 			CFG_CMD_NFS	| \
@@ -136,7 +141,7 @@
 #else
 #define CONFIG_COMMANDS		\
 		       ((CONFIG_CMD_DFL	| \
-			CFG_CMD_DHCP 	| \
+			CFG_CMD_DHCP	| \
 			CFG_CMD_NFS	| \
 			CFG_CMD_SNTP	| \
 			CFG_CMD_USB      | \
@@ -156,7 +161,7 @@
 
 #define CONFIG_NR_DRAM_BANKS	1
 #define PHYS_SDRAM		0x20000000
-#define PHYS_SDRAM_SIZE		0x08000000 	/* 128 megs */
+#define PHYS_SDRAM_SIZE		0x08000000	/* 128 megs */
 
 #define CFG_MEMTEST_START	PHYS_SDRAM
 #define CFG_MEMTEST_END		CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
diff --git a/include/configs/trab.h b/include/configs/trab.h
index 85ee756..b6d4bcf 100644
--- a/include/configs/trab.h
+++ b/include/configs/trab.h
@@ -84,6 +84,11 @@
 #define CONFIG_USB_STORAGE	1
 #define CONFIG_DOS_PARTITION	1
 
+#undef CFG_USB_OHCI_BOARD_INIT
+#define CFG_USB_OHCI_CPU_INIT	1
+#define CFG_USB_OHCI_REGS_BASE	S3C24X0_USB_HOST_BASE
+#define CFG_USB_OHCI_SLOT_NAME	"s3c2400"
+
 /*
  * Size of malloc() pool
  */
diff --git a/include/da9030.h b/include/da9030.h
index 41108b9..3e3b202 100644
--- a/include/da9030.h
+++ b/include/da9030.h
@@ -104,3 +104,15 @@
 #define SYS_CONTROL_A_HWRES_ENABLE		(1<<2)
 #define SYS_CONTROL_A_WDOG_ACTION		(1<<3)
 #define SYS_CONTROL_A_WATCHDOG			(1<<7)
+
+#define MISC_CONTROLB_USB_INT_RISING		(1<<2)
+#define MISC_CONTROLB_SESSION_VALID_EN		(1<<3)
+
+#define USB_PUMP_USBVE				(1<<0)
+#define USB_PUMP_USBVEP				(1<<1)
+#define USB_PUMP_SRP_DETECT			(1<<2)
+#define USB_PUMP_SESSION_VALID			(1<<3)
+#define USB_PUMP_VBUS_VALID_4_0			(1<<4)
+#define USB_PUMP_VBUS_VALID_4_4			(1<<5)
+#define USB_PUMP_EN_USBVE			(1<<6)
+#define USB_PUMP_EN_USBVEP			(1<<7)