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authorIlya Yanok <ilya.yanok@cogentembedded.com>2012-11-06 13:48:29 +0000
committerMarek Vasut <marex@denx.de>2012-11-20 00:16:08 +0100
commit673a524b6a71a7ab74a48b75728307b1a5303587 (patch)
tree9808cfb258a3ac30d4741fd7c5a5c1b3c60fdb7a /drivers
parent88919ff7bf4d848ae0bb6dab933cc81bb24abc93 (diff)
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musb-new: omap2plus backend driver
Backend driver for MUSB OTG controllers found on TI OMAP2/3/4 (tested only on OMAP3 Beagle). Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/musb-new/Makefile1
-rw-r--r--drivers/usb/musb-new/linux-compat.h9
-rw-r--r--drivers/usb/musb-new/omap2430.c626
-rw-r--r--drivers/usb/musb-new/omap2430.h56
4 files changed, 692 insertions, 0 deletions
diff --git a/drivers/usb/musb-new/Makefile b/drivers/usb/musb-new/Makefile
index 23fc735..c23bef1 100644
--- a/drivers/usb/musb-new/Makefile
+++ b/drivers/usb/musb-new/Makefile
@@ -11,6 +11,7 @@ COBJS-$(CONFIG_MUSB_GADGET) += musb_uboot.o
COBJS-$(CONFIG_MUSB_HOST) += musb_host.o musb_core.o musb_uboot.o
COBJS-$(CONFIG_USB_MUSB_DSPS) += musb_dsps.o
COBJS-$(CONFIG_USB_MUSB_AM35X) += am35x.o
+COBJS-$(CONFIG_USB_MUSB_OMAP2PLUS) += omap2430.o
CFLAGS_NO_WARN := $(call cc-option,-Wno-unused-variable) \
$(call cc-option,-Wno-unused-but-set-variable) \
diff --git a/drivers/usb/musb-new/linux-compat.h b/drivers/usb/musb-new/linux-compat.h
index 6ecdb3e..5c126ef 100644
--- a/drivers/usb/musb-new/linux-compat.h
+++ b/drivers/usb/musb-new/linux-compat.h
@@ -34,6 +34,7 @@ typedef unsigned long dmaaddr_t;
#define spin_unlock_irqrestore(lock, flags) do {} while (0)
#define setup_timer(timer, func, data) do {} while (0)
+#define del_timer_sync(timer) do {} while (0)
#define schedule_work(work) do {} while (0)
#define INIT_WORK(work, fun) do {} while (0)
@@ -104,4 +105,12 @@ typedef unsigned long dmaaddr_t;
#endif
#define msleep(a) udelay(a * 1000)
+
+/*
+ * Map U-Boot config options to Linux ones
+ */
+#ifdef CONFIG_OMAP34XX
+#define CONFIG_SOC_OMAP3430
+#endif
+
#endif /* __LINUX_COMPAT_H__ */
diff --git a/drivers/usb/musb-new/omap2430.c b/drivers/usb/musb-new/omap2430.c
new file mode 100644
index 0000000..b1c4dc7
--- /dev/null
+++ b/drivers/usb/musb-new/omap2430.c
@@ -0,0 +1,626 @@
+/*
+ * Copyright (C) 2005-2007 by Texas Instruments
+ * Some code has been taken from tusb6010.c
+ * Copyrights for that are attributable to:
+ * Copyright (C) 2006 Nokia Corporation
+ * Tony Lindgren <tony@atomide.com>
+ *
+ * This file is part of the Inventra Controller Driver for Linux.
+ *
+ * The Inventra Controller Driver for Linux is free software; you
+ * can redistribute it and/or modify it under the terms of the GNU
+ * General Public License version 2 as published by the Free Software
+ * Foundation.
+ *
+ * The Inventra Controller Driver for Linux 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 The Inventra Controller Driver for Linux ; if not,
+ * write to the Free Software Foundation, Inc., 59 Temple Place,
+ * Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#define __UBOOT__
+#ifndef __UBOOT__
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/pm_runtime.h>
+#include <linux/err.h>
+#include <linux/usb/musb-omap.h>
+#else
+#include <common.h>
+#include <asm/omap_musb.h>
+#include <twl4030.h>
+#include "linux-compat.h"
+#endif
+
+#include "musb_core.h"
+#include "omap2430.h"
+
+#ifndef __UBOOT__
+struct omap2430_glue {
+ struct device *dev;
+ struct platform_device *musb;
+ enum omap_musb_vbus_id_status status;
+ struct work_struct omap_musb_mailbox_work;
+};
+#define glue_to_musb(g) platform_get_drvdata(g->musb)
+
+struct omap2430_glue *_glue;
+
+static struct timer_list musb_idle_timer;
+
+static void musb_do_idle(unsigned long _musb)
+{
+ struct musb *musb = (void *)_musb;
+ unsigned long flags;
+ u8 power;
+ u8 devctl;
+
+ spin_lock_irqsave(&musb->lock, flags);
+
+ switch (musb->xceiv->state) {
+ case OTG_STATE_A_WAIT_BCON:
+
+ devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
+ if (devctl & MUSB_DEVCTL_BDEVICE) {
+ musb->xceiv->state = OTG_STATE_B_IDLE;
+ MUSB_DEV_MODE(musb);
+ } else {
+ musb->xceiv->state = OTG_STATE_A_IDLE;
+ MUSB_HST_MODE(musb);
+ }
+ break;
+ case OTG_STATE_A_SUSPEND:
+ /* finish RESUME signaling? */
+ if (musb->port1_status & MUSB_PORT_STAT_RESUME) {
+ power = musb_readb(musb->mregs, MUSB_POWER);
+ power &= ~MUSB_POWER_RESUME;
+ dev_dbg(musb->controller, "root port resume stopped, power %02x\n", power);
+ musb_writeb(musb->mregs, MUSB_POWER, power);
+ musb->is_active = 1;
+ musb->port1_status &= ~(USB_PORT_STAT_SUSPEND
+ | MUSB_PORT_STAT_RESUME);
+ musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
+ usb_hcd_poll_rh_status(musb_to_hcd(musb));
+ /* NOTE: it might really be A_WAIT_BCON ... */
+ musb->xceiv->state = OTG_STATE_A_HOST;
+ }
+ break;
+ case OTG_STATE_A_HOST:
+ devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
+ if (devctl & MUSB_DEVCTL_BDEVICE)
+ musb->xceiv->state = OTG_STATE_B_IDLE;
+ else
+ musb->xceiv->state = OTG_STATE_A_WAIT_BCON;
+ default:
+ break;
+ }
+ spin_unlock_irqrestore(&musb->lock, flags);
+}
+
+
+static void omap2430_musb_try_idle(struct musb *musb, unsigned long timeout)
+{
+ unsigned long default_timeout = jiffies + msecs_to_jiffies(3);
+ static unsigned long last_timer;
+
+ if (timeout == 0)
+ timeout = default_timeout;
+
+ /* Never idle if active, or when VBUS timeout is not set as host */
+ if (musb->is_active || ((musb->a_wait_bcon == 0)
+ && (musb->xceiv->state == OTG_STATE_A_WAIT_BCON))) {
+ dev_dbg(musb->controller, "%s active, deleting timer\n",
+ otg_state_string(musb->xceiv->state));
+ del_timer(&musb_idle_timer);
+ last_timer = jiffies;
+ return;
+ }
+
+ if (time_after(last_timer, timeout)) {
+ if (!timer_pending(&musb_idle_timer))
+ last_timer = timeout;
+ else {
+ dev_dbg(musb->controller, "Longer idle timer already pending, ignoring\n");
+ return;
+ }
+ }
+ last_timer = timeout;
+
+ dev_dbg(musb->controller, "%s inactive, for idle timer for %lu ms\n",
+ otg_state_string(musb->xceiv->state),
+ (unsigned long)jiffies_to_msecs(timeout - jiffies));
+ mod_timer(&musb_idle_timer, timeout);
+}
+
+static void omap2430_musb_set_vbus(struct musb *musb, int is_on)
+{
+ struct usb_otg *otg = musb->xceiv->otg;
+ u8 devctl;
+ unsigned long timeout = jiffies + msecs_to_jiffies(1000);
+ int ret = 1;
+ /* HDRC controls CPEN, but beware current surges during device
+ * connect. They can trigger transient overcurrent conditions
+ * that must be ignored.
+ */
+
+ devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
+
+ if (is_on) {
+ if (musb->xceiv->state == OTG_STATE_A_IDLE) {
+ /* start the session */
+ devctl |= MUSB_DEVCTL_SESSION;
+ musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
+ /*
+ * Wait for the musb to set as A device to enable the
+ * VBUS
+ */
+ while (musb_readb(musb->mregs, MUSB_DEVCTL) & 0x80) {
+
+ cpu_relax();
+
+ if (time_after(jiffies, timeout)) {
+ dev_err(musb->controller,
+ "configured as A device timeout");
+ ret = -EINVAL;
+ break;
+ }
+ }
+
+ if (ret && otg->set_vbus)
+ otg_set_vbus(otg, 1);
+ } else {
+ musb->is_active = 1;
+ otg->default_a = 1;
+ musb->xceiv->state = OTG_STATE_A_WAIT_VRISE;
+ devctl |= MUSB_DEVCTL_SESSION;
+ MUSB_HST_MODE(musb);
+ }
+ } else {
+ musb->is_active = 0;
+
+ /* NOTE: we're skipping A_WAIT_VFALL -> A_IDLE and
+ * jumping right to B_IDLE...
+ */
+
+ otg->default_a = 0;
+ musb->xceiv->state = OTG_STATE_B_IDLE;
+ devctl &= ~MUSB_DEVCTL_SESSION;
+
+ MUSB_DEV_MODE(musb);
+ }
+ musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
+
+ dev_dbg(musb->controller, "VBUS %s, devctl %02x "
+ /* otg %3x conf %08x prcm %08x */ "\n",
+ otg_state_string(musb->xceiv->state),
+ musb_readb(musb->mregs, MUSB_DEVCTL));
+}
+
+static int omap2430_musb_set_mode(struct musb *musb, u8 musb_mode)
+{
+ u8 devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
+
+ devctl |= MUSB_DEVCTL_SESSION;
+ musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
+
+ return 0;
+}
+#endif
+
+static inline void omap2430_low_level_exit(struct musb *musb)
+{
+ u32 l;
+
+ /* in any role */
+ l = musb_readl(musb->mregs, OTG_FORCESTDBY);
+ l |= ENABLEFORCE; /* enable MSTANDBY */
+ musb_writel(musb->mregs, OTG_FORCESTDBY, l);
+}
+
+static inline void omap2430_low_level_init(struct musb *musb)
+{
+ u32 l;
+
+ l = musb_readl(musb->mregs, OTG_FORCESTDBY);
+ l &= ~ENABLEFORCE; /* disable MSTANDBY */
+ musb_writel(musb->mregs, OTG_FORCESTDBY, l);
+}
+
+#ifndef __UBOOT__
+void omap_musb_mailbox(enum omap_musb_vbus_id_status status)
+{
+ struct omap2430_glue *glue = _glue;
+ struct musb *musb = glue_to_musb(glue);
+
+ glue->status = status;
+ if (!musb) {
+ dev_err(glue->dev, "musb core is not yet ready\n");
+ return;
+ }
+
+ schedule_work(&glue->omap_musb_mailbox_work);
+}
+EXPORT_SYMBOL_GPL(omap_musb_mailbox);
+
+static void omap_musb_set_mailbox(struct omap2430_glue *glue)
+{
+ struct musb *musb = glue_to_musb(glue);
+ struct device *dev = musb->controller;
+ struct musb_hdrc_platform_data *pdata = dev->platform_data;
+ struct omap_musb_board_data *data = pdata->board_data;
+ struct usb_otg *otg = musb->xceiv->otg;
+
+ switch (glue->status) {
+ case OMAP_MUSB_ID_GROUND:
+ dev_dbg(dev, "ID GND\n");
+
+ otg->default_a = true;
+ musb->xceiv->state = OTG_STATE_A_IDLE;
+ musb->xceiv->last_event = USB_EVENT_ID;
+ if (!is_otg_enabled(musb) || musb->gadget_driver) {
+ pm_runtime_get_sync(dev);
+ usb_phy_init(musb->xceiv);
+ omap2430_musb_set_vbus(musb, 1);
+ }
+ break;
+
+ case OMAP_MUSB_VBUS_VALID:
+ dev_dbg(dev, "VBUS Connect\n");
+
+ otg->default_a = false;
+ musb->xceiv->state = OTG_STATE_B_IDLE;
+ musb->xceiv->last_event = USB_EVENT_VBUS;
+ if (musb->gadget_driver)
+ pm_runtime_get_sync(dev);
+ usb_phy_init(musb->xceiv);
+ break;
+
+ case OMAP_MUSB_ID_FLOAT:
+ case OMAP_MUSB_VBUS_OFF:
+ dev_dbg(dev, "VBUS Disconnect\n");
+
+ musb->xceiv->last_event = USB_EVENT_NONE;
+ if (is_otg_enabled(musb) || is_peripheral_enabled(musb))
+ if (musb->gadget_driver) {
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+ }
+
+ if (data->interface_type == MUSB_INTERFACE_UTMI) {
+ if (musb->xceiv->otg->set_vbus)
+ otg_set_vbus(musb->xceiv->otg, 0);
+ }
+ usb_phy_shutdown(musb->xceiv);
+ break;
+ default:
+ dev_dbg(dev, "ID float\n");
+ }
+}
+
+
+static void omap_musb_mailbox_work(struct work_struct *mailbox_work)
+{
+ struct omap2430_glue *glue = container_of(mailbox_work,
+ struct omap2430_glue, omap_musb_mailbox_work);
+ omap_musb_set_mailbox(glue);
+}
+#endif
+
+static int omap2430_musb_init(struct musb *musb)
+{
+ u32 l;
+ int status = 0;
+#ifndef __UBOOT__
+ struct device *dev = musb->controller;
+ struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
+ struct musb_hdrc_platform_data *plat = dev->platform_data;
+ struct omap_musb_board_data *data = plat->board_data;
+#else
+ struct omap_musb_board_data *data =
+ (struct omap_musb_board_data *)musb->controller;
+#endif
+
+
+#ifndef __UBOOT__
+ /* We require some kind of external transceiver, hooked
+ * up through ULPI. TWL4030-family PMICs include one,
+ * which needs a driver, drivers aren't always needed.
+ */
+ musb->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
+ if (IS_ERR_OR_NULL(musb->xceiv)) {
+ pr_err("HS USB OTG: no transceiver configured\n");
+ return -ENODEV;
+ }
+
+ status = pm_runtime_get_sync(dev);
+ if (status < 0) {
+ dev_err(dev, "pm_runtime_get_sync FAILED %d\n", status);
+ goto err1;
+ }
+#endif
+
+ l = musb_readl(musb->mregs, OTG_INTERFSEL);
+
+ if (data->interface_type == MUSB_INTERFACE_UTMI) {
+ /* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
+ l &= ~ULPI_12PIN; /* Disable ULPI */
+ l |= UTMI_8BIT; /* Enable UTMI */
+ } else {
+ l |= ULPI_12PIN;
+ }
+
+ musb_writel(musb->mregs, OTG_INTERFSEL, l);
+
+ pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
+ "sysstatus 0x%x, intrfsel 0x%x, simenable 0x%x\n",
+ musb_readl(musb->mregs, OTG_REVISION),
+ musb_readl(musb->mregs, OTG_SYSCONFIG),
+ musb_readl(musb->mregs, OTG_SYSSTATUS),
+ musb_readl(musb->mregs, OTG_INTERFSEL),
+ musb_readl(musb->mregs, OTG_SIMENABLE));
+
+#ifndef __UBOOT__
+ setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb);
+
+ if (glue->status != OMAP_MUSB_UNKNOWN)
+ omap_musb_set_mailbox(glue);
+
+ pm_runtime_put_noidle(musb->controller);
+#endif
+ return 0;
+
+err1:
+ return status;
+}
+
+static void omap2430_musb_enable(struct musb *musb)
+{
+#ifndef __UBOOT__
+ u8 devctl;
+ unsigned long timeout = jiffies + msecs_to_jiffies(1000);
+ struct device *dev = musb->controller;
+ struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
+ struct musb_hdrc_platform_data *pdata = dev->platform_data;
+ struct omap_musb_board_data *data = pdata->board_data;
+
+ switch (glue->status) {
+
+ case OMAP_MUSB_ID_GROUND:
+ usb_phy_init(musb->xceiv);
+ if (data->interface_type != MUSB_INTERFACE_UTMI)
+ break;
+ devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
+ /* start the session */
+ devctl |= MUSB_DEVCTL_SESSION;
+ musb_writeb(musb->mregs, MUSB_DEVCTL, devctl);
+ while (musb_readb(musb->mregs, MUSB_DEVCTL) &
+ MUSB_DEVCTL_BDEVICE) {
+ cpu_relax();
+
+ if (time_after(jiffies, timeout)) {
+ dev_err(dev, "configured as A device timeout");
+ break;
+ }
+ }
+ break;
+
+ case OMAP_MUSB_VBUS_VALID:
+ usb_phy_init(musb->xceiv);
+ break;
+
+ default:
+ break;
+ }
+#else
+#ifdef CONFIG_TWL4030_USB
+ if (twl4030_usb_ulpi_init()) {
+ serial_printf("ERROR: %s Could not initialize PHY\n",
+ __PRETTY_FUNCTION__);
+ }
+#endif
+#endif
+}
+
+static void omap2430_musb_disable(struct musb *musb)
+{
+#ifndef __UBOOT__
+ struct device *dev = musb->controller;
+ struct omap2430_glue *glue = dev_get_drvdata(dev->parent);
+
+ if (glue->status != OMAP_MUSB_UNKNOWN)
+ usb_phy_shutdown(musb->xceiv);
+#endif
+}
+
+static int omap2430_musb_exit(struct musb *musb)
+{
+ del_timer_sync(&musb_idle_timer);
+
+ omap2430_low_level_exit(musb);
+
+ return 0;
+}
+
+#ifndef __UBOOT__
+static const struct musb_platform_ops omap2430_ops = {
+#else
+const struct musb_platform_ops omap2430_ops = {
+#endif
+ .init = omap2430_musb_init,
+ .exit = omap2430_musb_exit,
+
+#ifndef __UBOOT__
+ .set_mode = omap2430_musb_set_mode,
+ .try_idle = omap2430_musb_try_idle,
+
+ .set_vbus = omap2430_musb_set_vbus,
+#endif
+
+ .enable = omap2430_musb_enable,
+ .disable = omap2430_musb_disable,
+};
+
+#ifndef __UBOOT__
+static u64 omap2430_dmamask = DMA_BIT_MASK(32);
+
+static int __devinit omap2430_probe(struct platform_device *pdev)
+{
+ struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
+ struct platform_device *musb;
+ struct omap2430_glue *glue;
+ int ret = -ENOMEM;
+
+ glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
+ if (!glue) {
+ dev_err(&pdev->dev, "failed to allocate glue context\n");
+ goto err0;
+ }
+
+ musb = platform_device_alloc("musb-hdrc", -1);
+ if (!musb) {
+ dev_err(&pdev->dev, "failed to allocate musb device\n");
+ goto err0;
+ }
+
+ musb->dev.parent = &pdev->dev;
+ musb->dev.dma_mask = &omap2430_dmamask;
+ musb->dev.coherent_dma_mask = omap2430_dmamask;
+
+ glue->dev = &pdev->dev;
+ glue->musb = musb;
+ glue->status = OMAP_MUSB_UNKNOWN;
+
+ pdata->platform_ops = &omap2430_ops;
+
+ platform_set_drvdata(pdev, glue);
+
+ /*
+ * REVISIT if we ever have two instances of the wrapper, we will be
+ * in big trouble
+ */
+ _glue = glue;
+
+ INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work);
+
+ ret = platform_device_add_resources(musb, pdev->resource,
+ pdev->num_resources);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add resources\n");
+ goto err1;
+ }
+
+ ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add platform_data\n");
+ goto err1;
+ }
+
+ pm_runtime_enable(&pdev->dev);
+
+ ret = platform_device_add(musb);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register musb device\n");
+ goto err1;
+ }
+
+ return 0;
+
+err1:
+ platform_device_put(musb);
+
+err0:
+ return ret;
+}
+
+static int __devexit omap2430_remove(struct platform_device *pdev)
+{
+ struct omap2430_glue *glue = platform_get_drvdata(pdev);
+
+ cancel_work_sync(&glue->omap_musb_mailbox_work);
+ platform_device_del(glue->musb);
+ platform_device_put(glue->musb);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+
+static int omap2430_runtime_suspend(struct device *dev)
+{
+ struct omap2430_glue *glue = dev_get_drvdata(dev);
+ struct musb *musb = glue_to_musb(glue);
+
+ if (musb) {
+ musb->context.otg_interfsel = musb_readl(musb->mregs,
+ OTG_INTERFSEL);
+
+ omap2430_low_level_exit(musb);
+ usb_phy_set_suspend(musb->xceiv, 1);
+ }
+
+ return 0;
+}
+
+static int omap2430_runtime_resume(struct device *dev)
+{
+ struct omap2430_glue *glue = dev_get_drvdata(dev);
+ struct musb *musb = glue_to_musb(glue);
+
+ if (musb) {
+ omap2430_low_level_init(musb);
+ musb_writel(musb->mregs, OTG_INTERFSEL,
+ musb->context.otg_interfsel);
+
+ usb_phy_set_suspend(musb->xceiv, 0);
+ }
+
+ return 0;
+}
+
+static struct dev_pm_ops omap2430_pm_ops = {
+ .runtime_suspend = omap2430_runtime_suspend,
+ .runtime_resume = omap2430_runtime_resume,
+};
+
+#define DEV_PM_OPS (&omap2430_pm_ops)
+#else
+#define DEV_PM_OPS NULL
+#endif
+
+static struct platform_driver omap2430_driver = {
+ .probe = omap2430_probe,
+ .remove = __devexit_p(omap2430_remove),
+ .driver = {
+ .name = "musb-omap2430",
+ .pm = DEV_PM_OPS,
+ },
+};
+
+MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");
+MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
+MODULE_LICENSE("GPL v2");
+
+static int __init omap2430_init(void)
+{
+ return platform_driver_register(&omap2430_driver);
+}
+subsys_initcall(omap2430_init);
+
+static void __exit omap2430_exit(void)
+{
+ platform_driver_unregister(&omap2430_driver);
+}
+module_exit(omap2430_exit);
+#endif
diff --git a/drivers/usb/musb-new/omap2430.h b/drivers/usb/musb-new/omap2430.h
new file mode 100644
index 0000000..3b795c2
--- /dev/null
+++ b/drivers/usb/musb-new/omap2430.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2005-2006 by Texas Instruments
+ *
+ * The Inventra Controller Driver for Linux is free software; you
+ * can redistribute it and/or modify it under the terms of the GNU
+ * General Public License version 2 as published by the Free Software
+ * Foundation.
+ */
+
+#ifndef __MUSB_OMAP243X_H__
+#define __MUSB_OMAP243X_H__
+
+#ifndef __UBOOT__
+#include <plat/usb.h>
+#else
+#undef RESETDONE
+#endif
+
+/*
+ * OMAP2430-specific definitions
+ */
+
+#define OTG_REVISION 0x400
+
+#define OTG_SYSCONFIG 0x404
+# define MIDLEMODE 12 /* bit position */
+# define FORCESTDBY (0 << MIDLEMODE)
+# define NOSTDBY (1 << MIDLEMODE)
+# define SMARTSTDBY (2 << MIDLEMODE)
+
+# define SIDLEMODE 3 /* bit position */
+# define FORCEIDLE (0 << SIDLEMODE)
+# define NOIDLE (1 << SIDLEMODE)
+# define SMARTIDLE (2 << SIDLEMODE)
+
+# define ENABLEWAKEUP (1 << 2)
+# define SOFTRST (1 << 1)
+# define AUTOIDLE (1 << 0)
+
+#define OTG_SYSSTATUS 0x408
+# define RESETDONE (1 << 0)
+
+#define OTG_INTERFSEL 0x40c
+# define EXTCP (1 << 2)
+# define PHYSEL 0 /* bit position */
+# define UTMI_8BIT (0 << PHYSEL)
+# define ULPI_12PIN (1 << PHYSEL)
+# define ULPI_8PIN (2 << PHYSEL)
+
+#define OTG_SIMENABLE 0x410
+# define TM1 (1 << 0)
+
+#define OTG_FORCESTDBY 0x414
+# define ENABLEFORCE (1 << 0)
+
+#endif /* __MUSB_OMAP243X_H__ */