drivers/usb: regorganisation

move to linux usb driver organisation

as following

drivers/usb/gadget
drivers/usb/host
drivers/usb/musb

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>

1 files changed, 0 insertions, 882 deletions

diff --git a/drivers/usb/usb_ehci_core.c b/drivers/usb/usb_ehci_core.c
deleted file mode 100644
index 4dbfb6688f..0000000000
--- a/drivers/usb/usb_ehci_core.c
+++ /dev/null
@@ -1,882 +0,0 @@
-/*-
- * Copyright (c) 2007-2008, Juniper Networks, Inc.
- * Copyright (c) 2008, Excito Elektronik i Skåne AB
- * Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
- *
- * All rights reserved.
- *
- * 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 version 2 of
- * the License.
- *
- * 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>
-#include <asm/byteorder.h>
-#include <usb.h>
-#include <asm/io.h>
-#include <malloc.h>
-#include "usb_ehci.h"
-
-int rootdev;
-struct ehci_hccr *hccr;	/* R/O registers, not need for volatile */
-volatile struct ehci_hcor *hcor;
-
-static uint16_t portreset;
-static struct QH qh_list __attribute__((aligned(32)));
-
-static struct descriptor {
-	struct usb_hub_descriptor hub;
-	struct usb_device_descriptor device;
-	struct usb_linux_config_descriptor config;
-	struct usb_linux_interface_descriptor interface;
-	struct usb_endpoint_descriptor endpoint;
-}  __attribute__ ((packed)) descriptor = {
-	{
-		0x8,		/* bDescLength */
-		0x29,		/* bDescriptorType: hub descriptor */
-		2,		/* bNrPorts -- runtime modified */
-		0,		/* wHubCharacteristics */
-		0xff,		/* bPwrOn2PwrGood */
-		0,		/* bHubCntrCurrent */
-		{},		/* Device removable */
-		{}		/* at most 7 ports! XXX */
-	},
-	{
-		0x12,		/* bLength */
-		1,		/* bDescriptorType: UDESC_DEVICE */
-		0x0002,		/* bcdUSB: v2.0 */
-		9,		/* bDeviceClass: UDCLASS_HUB */
-		0,		/* bDeviceSubClass: UDSUBCLASS_HUB */
-		1,		/* bDeviceProtocol: UDPROTO_HSHUBSTT */
-		64,		/* bMaxPacketSize: 64 bytes */
-		0x0000,		/* idVendor */
-		0x0000,		/* idProduct */
-		0x0001,		/* bcdDevice */
-		1,		/* iManufacturer */
-		2,		/* iProduct */
-		0,		/* iSerialNumber */
-		1		/* bNumConfigurations: 1 */
-	},
-	{
-		0x9,
-		2,		/* bDescriptorType: UDESC_CONFIG */
-		cpu_to_le16(0x19),
-		1,		/* bNumInterface */
-		1,		/* bConfigurationValue */
-		0,		/* iConfiguration */
-		0x40,		/* bmAttributes: UC_SELF_POWER */
-		0		/* bMaxPower */
-	},
-	{
-		0x9,		/* bLength */
-		4,		/* bDescriptorType: UDESC_INTERFACE */
-		0,		/* bInterfaceNumber */
-		0,		/* bAlternateSetting */
-		1,		/* bNumEndpoints */
-		9,		/* bInterfaceClass: UICLASS_HUB */
-		0,		/* bInterfaceSubClass: UISUBCLASS_HUB */
-		0,		/* bInterfaceProtocol: UIPROTO_HSHUBSTT */
-		0		/* iInterface */
-	},
-	{
-		0x7,		/* bLength */
-		5,		/* bDescriptorType: UDESC_ENDPOINT */
-		0x81,		/* bEndpointAddress:
-				 * UE_DIR_IN | EHCI_INTR_ENDPT
-				 */
-		3,		/* bmAttributes: UE_INTERRUPT */
-		8, 0,		/* wMaxPacketSize */
-		255		/* bInterval */
-	},
-};
-
-#if defined(CONFIG_EHCI_IS_TDI)
-#define ehci_is_TDI()	(1)
-#else
-#define ehci_is_TDI()	(0)
-#endif
-
-#if defined(CONFIG_EHCI_DCACHE)
-/*
- * Routines to handle (flush/invalidate) the dcache for the QH and qTD
- * structures and data buffers. This is needed on platforms using this
- * EHCI support with dcache enabled.
- */
-static void flush_invalidate(u32 addr, int size, int flush)
-{
-	if (flush)
-		flush_dcache_range(addr, addr + size);
-	else
-		invalidate_dcache_range(addr, addr + size);
-}
-
-static void cache_qtd(struct qTD *qtd, int flush)
-{
-	u32 *ptr = (u32 *)qtd->qt_buffer[0];
-	int len = (qtd->qt_token & 0x7fff0000) >> 16;
-
-	flush_invalidate((u32)qtd, sizeof(struct qTD), flush);
-	if (ptr && len)
-		flush_invalidate((u32)ptr, len, flush);
-}
-
-
-static inline struct QH *qh_addr(struct QH *qh)
-{
-	return (struct QH *)((u32)qh & 0xffffffe0);
-}
-
-static void cache_qh(struct QH *qh, int flush)
-{
-	struct qTD *qtd;
-	struct qTD *next;
-	static struct qTD *first_qtd;
-
-	/*
-	 * Walk the QH list and flush/invalidate all entries
-	 */
-	while (1) {
-		flush_invalidate((u32)qh_addr(qh), sizeof(struct QH), flush);
-		if ((u32)qh & QH_LINK_TYPE_QH)
-			break;
-		qh = qh_addr(qh);
-		qh = (struct QH *)qh->qh_link;
-	}
-	qh = qh_addr(qh);
-
-	/*
-	 * Save first qTD pointer, needed for invalidating pass on this QH
-	 */
-	if (flush)
-		first_qtd = qtd = (struct qTD *)(*(u32 *)&qh->qh_overlay &
-						 0xffffffe0);
-	else
-		qtd = first_qtd;
-
-	/*
-	 * Walk the qTD list and flush/invalidate all entries
-	 */
-	while (1) {
-		if (qtd == NULL)
-			break;
-		cache_qtd(qtd, flush);
-		next = (struct qTD *)((u32)qtd->qt_next & 0xffffffe0);
-		if (next == qtd)
-			break;
-		qtd = next;
-	}
-}
-
-static inline void ehci_flush_dcache(struct QH *qh)
-{
-	cache_qh(qh, 1);
-}
-
-static inline void ehci_invalidate_dcache(struct QH *qh)
-{
-	cache_qh(qh, 0);
-}
-#else /* CONFIG_EHCI_DCACHE */
-/*
- *
- */
-static inline void ehci_flush_dcache(struct QH *qh)
-{
-}
-
-static inline void ehci_invalidate_dcache(struct QH *qh)
-{
-}
-#endif /* CONFIG_EHCI_DCACHE */
-
-static int handshake(uint32_t *ptr, uint32_t mask, uint32_t done, int usec)
-{
-	uint32_t result;
-	do {
-		result = ehci_readl(ptr);
-		if (result == ~(uint32_t)0)
-			return -1;
-		result &= mask;
-		if (result == done)
-			return 0;
-		udelay(1);
-		usec--;
-	} while (usec > 0);
-	return -1;
-}
-
-static void ehci_free(void *p, size_t sz)
-{
-
-}
-
-static int ehci_reset(void)
-{
-	uint32_t cmd;
-	uint32_t tmp;
-	uint32_t *reg_ptr;
-	int ret = 0;
-
-	cmd = ehci_readl(&hcor->or_usbcmd);
-	cmd |= CMD_RESET;
-	ehci_writel(&hcor->or_usbcmd, cmd);
-	ret = handshake((uint32_t *)&hcor->or_usbcmd, CMD_RESET, 0, 250 * 1000);
-	if (ret < 0) {
-		printf("EHCI fail to reset\n");
-		goto out;
-	}
-
-	if (ehci_is_TDI()) {
-		reg_ptr = (uint32_t *)((u8 *)hcor + USBMODE);
-		tmp = ehci_readl(reg_ptr);
-		tmp |= USBMODE_CM_HC;
-#if defined(CONFIG_EHCI_MMIO_BIG_ENDIAN)
-		tmp |= USBMODE_BE;
-#endif
-		ehci_writel(reg_ptr, tmp);
-	}
-out:
-	return ret;
-}
-
-static void *ehci_alloc(size_t sz, size_t align)
-{
-	static struct QH qh __attribute__((aligned(32)));
-	static struct qTD td[3] __attribute__((aligned (32)));
-	static int ntds;
-	void *p;
-
-	switch (sz) {
-	case sizeof(struct QH):
-		p = &qh;
-		ntds = 0;
-		break;
-	case sizeof(struct qTD):
-		if (ntds == 3) {
-			debug("out of TDs\n");
-			return NULL;
-		}
-		p = &td[ntds];
-		ntds++;
-		break;
-	default:
-		debug("unknown allocation size\n");
-		return NULL;
-	}
-
-	memset(p, sz, 0);
-	return p;
-}
-
-static int ehci_td_buffer(struct qTD *td, void *buf, size_t sz)
-{
-	uint32_t addr, delta, next;
-	int idx;
-
-	addr = (uint32_t) buf;
-	idx = 0;
-	while (idx < 5) {
-		td->qt_buffer[idx] = cpu_to_hc32(addr);
-		next = (addr + 4096) & ~4095;
-		delta = next - addr;
-		if (delta >= sz)
-			break;
-		sz -= delta;
-		addr = next;
-		idx++;
-	}
-
-	if (idx == 5) {
-		debug("out of buffer pointers (%u bytes left)\n", sz);
-		return -1;
-	}
-
-	return 0;
-}
-
-static int
-ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
-		   int length, struct devrequest *req)
-{
-	struct QH *qh;
-	struct qTD *td;
-	volatile struct qTD *vtd;
-	unsigned long ts;
-	uint32_t *tdp;
-	uint32_t endpt, token, usbsts;
-	uint32_t c, toggle;
-	uint32_t cmd;
-	int ret = 0;
-
-	debug("dev=%p, pipe=%lx, buffer=%p, length=%d, req=%p\n", dev, pipe,
-	      buffer, length, req);
-	if (req != NULL)
-		debug("req=%u (%#x), type=%u (%#x), value=%u (%#x), index=%u\n",
-		      req->request, req->request,
-		      req->requesttype, req->requesttype,
-		      le16_to_cpu(req->value), le16_to_cpu(req->value),
-		      le16_to_cpu(req->index));
-
-	qh = ehci_alloc(sizeof(struct QH), 32);
-	if (qh == NULL) {
-		debug("unable to allocate QH\n");
-		return -1;
-	}
-	qh->qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
-	c = (usb_pipespeed(pipe) != USB_SPEED_HIGH &&
-	     usb_pipeendpoint(pipe) == 0) ? 1 : 0;
-	endpt = (8 << 28) |
-	    (c << 27) |
-	    (usb_maxpacket(dev, pipe) << 16) |
-	    (0 << 15) |
-	    (1 << 14) |
-	    (usb_pipespeed(pipe) << 12) |
-	    (usb_pipeendpoint(pipe) << 8) |
-	    (0 << 7) | (usb_pipedevice(pipe) << 0);
-	qh->qh_endpt1 = cpu_to_hc32(endpt);
-	endpt = (1 << 30) |
-	    (dev->portnr << 23) |
-	    (dev->parent->devnum << 16) | (0 << 8) | (0 << 0);
-	qh->qh_endpt2 = cpu_to_hc32(endpt);
-	qh->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
-	qh->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
-
-	td = NULL;
-	tdp = &qh->qh_overlay.qt_next;
-
-	toggle =
-	    usb_gettoggle(dev, usb_pipeendpoint(pipe), usb_pipeout(pipe));
-
-	if (req != NULL) {
-		td = ehci_alloc(sizeof(struct qTD), 32);
-		if (td == NULL) {
-			debug("unable to allocate SETUP td\n");
-			goto fail;
-		}
-		td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
-		td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
-		token = (0 << 31) |
-		    (sizeof(*req) << 16) |
-		    (0 << 15) | (0 << 12) | (3 << 10) | (2 << 8) | (0x80 << 0);
-		td->qt_token = cpu_to_hc32(token);
-		if (ehci_td_buffer(td, req, sizeof(*req)) != 0) {
-			debug("unable construct SETUP td\n");
-			ehci_free(td, sizeof(*td));
-			goto fail;
-		}
-		*tdp = cpu_to_hc32((uint32_t) td);
-		tdp = &td->qt_next;
-		toggle = 1;
-	}
-
-	if (length > 0 || req == NULL) {
-		td = ehci_alloc(sizeof(struct qTD), 32);
-		if (td == NULL) {
-			debug("unable to allocate DATA td\n");
-			goto fail;
-		}
-		td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
-		td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
-		token = (toggle << 31) |
-		    (length << 16) |
-		    ((req == NULL ? 1 : 0) << 15) |
-		    (0 << 12) |
-		    (3 << 10) |
-		    ((usb_pipein(pipe) ? 1 : 0) << 8) | (0x80 << 0);
-		td->qt_token = cpu_to_hc32(token);
-		if (ehci_td_buffer(td, buffer, length) != 0) {
-			debug("unable construct DATA td\n");
-			ehci_free(td, sizeof(*td));
-			goto fail;
-		}
-		*tdp = cpu_to_hc32((uint32_t) td);
-		tdp = &td->qt_next;
-	}
-
-	if (req != NULL) {
-		td = ehci_alloc(sizeof(struct qTD), 32);
-		if (td == NULL) {
-			debug("unable to allocate ACK td\n");
-			goto fail;
-		}
-		td->qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
-		td->qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
-		token = (toggle << 31) |
-		    (0 << 16) |
-		    (1 << 15) |
-		    (0 << 12) |
-		    (3 << 10) |
-		    ((usb_pipein(pipe) ? 0 : 1) << 8) | (0x80 << 0);
-		td->qt_token = cpu_to_hc32(token);
-		*tdp = cpu_to_hc32((uint32_t) td);
-		tdp = &td->qt_next;
-	}
-
-	qh_list.qh_link = cpu_to_hc32((uint32_t) qh | QH_LINK_TYPE_QH);
-
-	/* Flush dcache */
-	ehci_flush_dcache(&qh_list);
-
-	usbsts = ehci_readl(&hcor->or_usbsts);
-	ehci_writel(&hcor->or_usbsts, (usbsts & 0x3f));
-
-	/* Enable async. schedule. */
-	cmd = ehci_readl(&hcor->or_usbcmd);
-	cmd |= CMD_ASE;
-	ehci_writel(&hcor->or_usbcmd, cmd);
-
-	ret = handshake((uint32_t *)&hcor->or_usbsts, STD_ASS, STD_ASS,
-			100 * 1000);
-	if (ret < 0) {
-		printf("EHCI fail timeout STD_ASS set\n");
-		goto fail;
-	}
-
-	/* Wait for TDs to be processed. */
-	ts = get_timer(0);
-	vtd = td;
-	do {
-		/* Invalidate dcache */
-		ehci_invalidate_dcache(&qh_list);
-		token = hc32_to_cpu(vtd->qt_token);
-		if (!(token & 0x80))
-			break;
-	} while (get_timer(ts) < CONFIG_SYS_HZ);
-
-	/* Disable async schedule. */
-	cmd = ehci_readl(&hcor->or_usbcmd);
-	cmd &= ~CMD_ASE;
-	ehci_writel(&hcor->or_usbcmd, cmd);
-
-	ret = handshake((uint32_t *)&hcor->or_usbsts, STD_ASS, 0,
-			100 * 1000);
-	if (ret < 0) {
-		printf("EHCI fail timeout STD_ASS reset\n");
-		goto fail;
-	}
-
-	qh_list.qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
-
-	token = hc32_to_cpu(qh->qh_overlay.qt_token);
-	if (!(token & 0x80)) {
-		debug("TOKEN=%#x\n", token);
-		switch (token & 0xfc) {
-		case 0:
-			toggle = token >> 31;
-			usb_settoggle(dev, usb_pipeendpoint(pipe),
-				       usb_pipeout(pipe), toggle);
-			dev->status = 0;
-			break;
-		case 0x40:
-			dev->status = USB_ST_STALLED;
-			break;
-		case 0xa0:
-		case 0x20:
-			dev->status = USB_ST_BUF_ERR;
-			break;
-		case 0x50:
-		case 0x10:
-			dev->status = USB_ST_BABBLE_DET;
-			break;
-		default:
-			dev->status = USB_ST_CRC_ERR;
-			break;
-		}
-		dev->act_len = length - ((token >> 16) & 0x7fff);
-	} else {
-		dev->act_len = 0;
-		debug("dev=%u, usbsts=%#x, p[1]=%#x, p[2]=%#x\n",
-		      dev->devnum, ehci_readl(&hcor->or_usbsts),
-		      ehci_readl(&hcor->or_portsc[0]),
-		      ehci_readl(&hcor->or_portsc[1]));
-	}
-
-	return (dev->status != USB_ST_NOT_PROC) ? 0 : -1;
-
-fail:
-	td = (void *)hc32_to_cpu(qh->qh_overlay.qt_next);
-	while (td != (void *)QT_NEXT_TERMINATE) {
-		qh->qh_overlay.qt_next = td->qt_next;
-		ehci_free(td, sizeof(*td));
-		td = (void *)hc32_to_cpu(qh->qh_overlay.qt_next);
-	}
-	ehci_free(qh, sizeof(*qh));
-	return -1;
-}
-
-static inline int min3(int a, int b, int c)
-{
-
-	if (b < a)
-		a = b;
-	if (c < a)
-		a = c;
-	return a;
-}
-
-int
-ehci_submit_root(struct usb_device *dev, unsigned long pipe, void *buffer,
-		 int length, struct devrequest *req)
-{
-	uint8_t tmpbuf[4];
-	u16 typeReq;
-	void *srcptr = NULL;
-	int len, srclen;
-	uint32_t reg;
-	uint32_t *status_reg;
-
-	if (le16_to_cpu(req->index) >= CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS) {
-		printf("The request port(%d) is not configured\n",
-			le16_to_cpu(req->index) - 1);
-		return -1;
-	}
-	status_reg = (uint32_t *)&hcor->or_portsc[
-						le16_to_cpu(req->index) - 1];
-	srclen = 0;
-
-	debug("req=%u (%#x), type=%u (%#x), value=%u, index=%u\n",
-	      req->request, req->request,
-	      req->requesttype, req->requesttype,
-	      le16_to_cpu(req->value), le16_to_cpu(req->index));
-
-	typeReq = req->request << 8 | req->requesttype;
-
-	switch (le16_to_cpu(typeReq)) {
-	case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
-		switch (le16_to_cpu(req->value) >> 8) {
-		case USB_DT_DEVICE:
-			debug("USB_DT_DEVICE request\n");
-			srcptr = &descriptor.device;
-			srclen = 0x12;
-			break;
-		case USB_DT_CONFIG:
-			debug("USB_DT_CONFIG config\n");
-			srcptr = &descriptor.config;
-			srclen = 0x19;
-			break;
-		case USB_DT_STRING:
-			debug("USB_DT_STRING config\n");
-			switch (le16_to_cpu(req->value) & 0xff) {
-			case 0:	/* Language */
-				srcptr = "\4\3\1\0";
-				srclen = 4;
-				break;
-			case 1:	/* Vendor */
-				srcptr = "\16\3u\0-\0b\0o\0o\0t\0";
-				srclen = 14;
-				break;
-			case 2:	/* Product */
-				srcptr = "\52\3E\0H\0C\0I\0 "
-					 "\0H\0o\0s\0t\0 "
-					 "\0C\0o\0n\0t\0r\0o\0l\0l\0e\0r\0";
-				srclen = 42;
-				break;
-			default:
-				debug("unknown value DT_STRING %x\n",
-					le16_to_cpu(req->value));
-				goto unknown;
-			}
-			break;
-		default:
-			debug("unknown value %x\n", le16_to_cpu(req->value));
-			goto unknown;
-		}
-		break;
-	case USB_REQ_GET_DESCRIPTOR | ((USB_DIR_IN | USB_RT_HUB) << 8):
-		switch (le16_to_cpu(req->value) >> 8) {
-		case USB_DT_HUB:
-			debug("USB_DT_HUB config\n");
-			srcptr = &descriptor.hub;
-			srclen = 0x8;
-			break;
-		default:
-			debug("unknown value %x\n", le16_to_cpu(req->value));
-			goto unknown;
-		}
-		break;
-	case USB_REQ_SET_ADDRESS | (USB_RECIP_DEVICE << 8):
-		debug("USB_REQ_SET_ADDRESS\n");
-		rootdev = le16_to_cpu(req->value);
-		break;
-	case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
-		debug("USB_REQ_SET_CONFIGURATION\n");
-		/* Nothing to do */
-		break;
-	case USB_REQ_GET_STATUS | ((USB_DIR_IN | USB_RT_HUB) << 8):
-		tmpbuf[0] = 1;	/* USB_STATUS_SELFPOWERED */
-		tmpbuf[1] = 0;
-		srcptr = tmpbuf;
-		srclen = 2;
-		break;
-	case USB_REQ_GET_STATUS | ((USB_RT_PORT | USB_DIR_IN) << 8):
-		memset(tmpbuf, 0, 4);
-		reg = ehci_readl(status_reg);
-		if (reg & EHCI_PS_CS)
-			tmpbuf[0] |= USB_PORT_STAT_CONNECTION;
-		if (reg & EHCI_PS_PE)
-			tmpbuf[0] |= USB_PORT_STAT_ENABLE;
-		if (reg & EHCI_PS_SUSP)
-			tmpbuf[0] |= USB_PORT_STAT_SUSPEND;
-		if (reg & EHCI_PS_OCA)
-			tmpbuf[0] |= USB_PORT_STAT_OVERCURRENT;
-		if (reg & EHCI_PS_PR &&
-		    (portreset & (1 << le16_to_cpu(req->index)))) {
-			int ret;
-			/* force reset to complete */
-			reg = reg & ~(EHCI_PS_PR | EHCI_PS_CLEAR);
-			ehci_writel(status_reg, reg);
-			ret = handshake(status_reg, EHCI_PS_PR, 0, 2 * 1000);
-			if (!ret)
-				tmpbuf[0] |= USB_PORT_STAT_RESET;
-			else
-				printf("port(%d) reset error\n",
-					le16_to_cpu(req->index) - 1);
-		}
-		if (reg & EHCI_PS_PP)
-			tmpbuf[1] |= USB_PORT_STAT_POWER >> 8;
-
-		if (ehci_is_TDI()) {
-			switch ((reg >> 26) & 3) {
-			case 0:
-				break;
-			case 1:
-				tmpbuf[1] |= USB_PORT_STAT_LOW_SPEED >> 8;
-				break;
-			case 2:
-			default:
-				tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
-				break;
-			}
-		} else {
-			tmpbuf[1] |= USB_PORT_STAT_HIGH_SPEED >> 8;
-		}
-
-		if (reg & EHCI_PS_CSC)
-			tmpbuf[2] |= USB_PORT_STAT_C_CONNECTION;
-		if (reg & EHCI_PS_PEC)
-			tmpbuf[2] |= USB_PORT_STAT_C_ENABLE;
-		if (reg & EHCI_PS_OCC)
-			tmpbuf[2] |= USB_PORT_STAT_C_OVERCURRENT;
-		if (portreset & (1 << le16_to_cpu(req->index)))
-			tmpbuf[2] |= USB_PORT_STAT_C_RESET;
-
-		srcptr = tmpbuf;
-		srclen = 4;
-		break;
-	case USB_REQ_SET_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
-		reg = ehci_readl(status_reg);
-		reg &= ~EHCI_PS_CLEAR;
-		switch (le16_to_cpu(req->value)) {
-		case USB_PORT_FEAT_ENABLE:
-			reg |= EHCI_PS_PE;
-			ehci_writel(status_reg, reg);
-			break;
-		case USB_PORT_FEAT_POWER:
-			if (HCS_PPC(ehci_readl(&hccr->cr_hcsparams))) {
-				reg |= EHCI_PS_PP;
-				ehci_writel(status_reg, reg);
-			}
-			break;
-		case USB_PORT_FEAT_RESET:
-			if ((reg & (EHCI_PS_PE | EHCI_PS_CS)) == EHCI_PS_CS &&
-			    !ehci_is_TDI() &&
-			    EHCI_PS_IS_LOWSPEED(reg)) {
-				/* Low speed device, give up ownership. */
-				debug("port %d low speed --> companion\n",
-				      req->index - 1);
-				reg |= EHCI_PS_PO;
-				ehci_writel(status_reg, reg);
-				break;
-			} else {
-				reg |= EHCI_PS_PR;
-				reg &= ~EHCI_PS_PE;
-				ehci_writel(status_reg, reg);
-				/*
-				 * caller must wait, then call GetPortStatus
-				 * usb 2.0 specification say 50 ms resets on
-				 * root
-				 */
-				wait_ms(50);
-				portreset |= 1 << le16_to_cpu(req->index);
-			}
-			break;
-		default:
-			debug("unknown feature %x\n", le16_to_cpu(req->value));
-			goto unknown;
-		}
-		/* unblock posted writes */
-		ehci_readl(&hcor->or_usbcmd);
-		break;
-	case USB_REQ_CLEAR_FEATURE | ((USB_DIR_OUT | USB_RT_PORT) << 8):
-		reg = ehci_readl(status_reg);
-		switch (le16_to_cpu(req->value)) {
-		case USB_PORT_FEAT_ENABLE:
-			reg &= ~EHCI_PS_PE;
-			break;
-		case USB_PORT_FEAT_C_ENABLE:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_PE;
-			break;
-		case USB_PORT_FEAT_POWER:
-			if (HCS_PPC(ehci_readl(&hccr->cr_hcsparams)))
-				reg = reg & ~(EHCI_PS_CLEAR | EHCI_PS_PP);
-		case USB_PORT_FEAT_C_CONNECTION:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_CSC;
-			break;
-		case USB_PORT_FEAT_OVER_CURRENT:
-			reg = (reg & ~EHCI_PS_CLEAR) | EHCI_PS_OCC;
-			break;
-		case USB_PORT_FEAT_C_RESET:
-			portreset &= ~(1 << le16_to_cpu(req->index));
-			break;
-		default:
-			debug("unknown feature %x\n", le16_to_cpu(req->value));
-			goto unknown;
-		}
-		ehci_writel(status_reg, reg);
-		/* unblock posted write */
-		ehci_readl(&hcor->or_usbcmd);
-		break;
-	default:
-		debug("Unknown request\n");
-		goto unknown;
-	}
-
-	wait_ms(1);
-	len = min3(srclen, le16_to_cpu(req->length), length);
-	if (srcptr != NULL && len > 0)
-		memcpy(buffer, srcptr, len);
-	else
-		debug("Len is 0\n");
-
-	dev->act_len = len;
-	dev->status = 0;
-	return 0;
-
-unknown:
-	debug("requesttype=%x, request=%x, value=%x, index=%x, length=%x\n",
-	      req->requesttype, req->request, le16_to_cpu(req->value),
-	      le16_to_cpu(req->index), le16_to_cpu(req->length));
-
-	dev->act_len = 0;
-	dev->status = USB_ST_STALLED;
-	return -1;
-}
-
-int usb_lowlevel_stop(void)
-{
-	return ehci_hcd_stop();
-}
-
-int usb_lowlevel_init(void)
-{
-	uint32_t reg;
-	uint32_t cmd;
-
-	if (ehci_hcd_init() != 0)
-		return -1;
-
-	/* EHCI spec section 4.1 */
-	if (ehci_reset() != 0)
-		return -1;
-
-#if defined(CONFIG_EHCI_HCD_INIT_AFTER_RESET)
-	if (ehci_hcd_init() != 0)
-		return -1;
-#endif
-
-	/* Set head of reclaim list */
-	memset(&qh_list, 0, sizeof(qh_list));
-	qh_list.qh_link = cpu_to_hc32((uint32_t)&qh_list | QH_LINK_TYPE_QH);
-	qh_list.qh_endpt1 = cpu_to_hc32((1 << 15) | (USB_SPEED_HIGH << 12));
-	qh_list.qh_curtd = cpu_to_hc32(QT_NEXT_TERMINATE);
-	qh_list.qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
-	qh_list.qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
-	qh_list.qh_overlay.qt_token = cpu_to_hc32(0x40);
-
-	/* Set async. queue head pointer. */
-	ehci_writel(&hcor->or_asynclistaddr, (uint32_t)&qh_list);
-
-	reg = ehci_readl(&hccr->cr_hcsparams);
-	descriptor.hub.bNbrPorts = HCS_N_PORTS(reg);
-	printf("Register %x NbrPorts %d\n", reg, descriptor.hub.bNbrPorts);
-	/* Port Indicators */
-	if (HCS_INDICATOR(reg))
-		descriptor.hub.wHubCharacteristics |= 0x80;
-	/* Port Power Control */
-	if (HCS_PPC(reg))
-		descriptor.hub.wHubCharacteristics |= 0x01;
-
-	/* Start the host controller. */
-	cmd = ehci_readl(&hcor->or_usbcmd);
-	/*
-	 * Philips, Intel, and maybe others need CMD_RUN before the
-	 * root hub will detect new devices (why?); NEC doesn't
-	 */
-	cmd &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
-	cmd |= CMD_RUN;
-	ehci_writel(&hcor->or_usbcmd, cmd);
-
-	/* take control over the ports */
-	cmd = ehci_readl(&hcor->or_configflag);
-	cmd |= FLAG_CF;
-	ehci_writel(&hcor->or_configflag, cmd);
-	/* unblock posted write */
-	cmd = ehci_readl(&hcor->or_usbcmd);
-	wait_ms(5);
-	reg = HC_VERSION(ehci_readl(&hccr->cr_capbase));
-	printf("USB EHCI %x.%02x\n", reg >> 8, reg & 0xff);
-
-	rootdev = 0;
-
-	return 0;
-}
-
-int
-submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		int length)
-{
-
-	if (usb_pipetype(pipe) != PIPE_BULK) {
-		debug("non-bulk pipe (type=%lu)", usb_pipetype(pipe));
-		return -1;
-	}
-	return ehci_submit_async(dev, pipe, buffer, length, NULL);
-}
-
-int
-submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-		   int length, struct devrequest *setup)
-{
-
-	if (usb_pipetype(pipe) != PIPE_CONTROL) {
-		debug("non-control pipe (type=%lu)", usb_pipetype(pipe));
-		return -1;
-	}
-
-	if (usb_pipedevice(pipe) == rootdev) {
-		if (rootdev == 0)
-			dev->speed = USB_SPEED_HIGH;
-		return ehci_submit_root(dev, pipe, buffer, length, setup);
-	}
-	return ehci_submit_async(dev, pipe, buffer, length, setup);
-}
-
-int
-submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
-	       int length, int interval)
-{
-
-	debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d",
-	      dev, pipe, buffer, length, interval);
-	return -1;
-}