1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u8500_udc.c b/drivers/usb/gadget/u8500_udc.c
new file mode 100755
index 000000000..109e11dda
--- /dev/null
+++ b/drivers/usb/gadget/u8500_udc.c
@@ -0,0 +1,61 @@
+/*
+ * u8500_udc.c - 
+ *
+ * (C) Copyright 2009 ST-Ericsson
+ *
+ * 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>
+#include "u8500_udc.h"
+#include <asm/arch/gpio.h>
+
+static volatile struct mg_dev_register *pRegs = 0;
+
+int udc_musb_platform_init(void)
+{
+	u16 top;
+	u8 power;
+	u8 soft_reset;
+	u16	temp;
+	pRegs = (volatile struct mg_dev_register *) CONFIG_USB_BASE;
+	
+	gpio_altfuncenable(GPIO_ALT_USB_OTG, "USB-OTG");
+
+	top =  pRegs->OTG_TOPCTRL;
+	pRegs->OTG_TOPCTRL = (top | MODE_ULPI);
+
+	soft_reset =  pRegs->OTG_SOFTRST;
+	pRegs->OTG_SOFTRST = (soft_reset | 0x2);
+
+	power = pRegs->OTG_PWR;
+	/* Enabling high speed and soft connection */
+	power = power | POWER_HSENAB;
+	pRegs->OTG_PWR = (power | POWER_SOFTCONN);
+
+	pRegs->OTG_INTUSBEN = 0x0;
+	pRegs->OTG_INTTXEN  = 0x0;
+	pRegs->OTG_INTRXEN  = 0x0;
+
+	/* off */
+	pRegs->OTG_DEVCTL  = 0x0;
+
+	/*  flush pending interrupts */
+	temp = pRegs->OTG_INTUSB;
+	temp = pRegs->OTG_INTTX;
+	temp = pRegs->OTG_INTRX;
+	return 0;
+}