da8xx/hawkboard: Add support for ohci host controller

Also enable the ohci port on hawkboard. These additions result in an
increased u-boot size -- adjust the same accordingly in the board's
config.

Move the usb header for da8xx platforms under arch-davinci.

Signed-off-by: Sughosh Ganu <urwithsughosh@gmail.com>
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index 6de9164..bcb4662 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -28,6 +28,7 @@
 # ohci
 COBJS-$(CONFIG_USB_OHCI_NEW) += ohci-hcd.o
 COBJS-$(CONFIG_USB_ATMEL) += ohci-at91.o
+COBJS-$(CONFIG_USB_OHCI_DA8XX) += ohci-da8xx.o
 COBJS-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o
 COBJS-$(CONFIG_USB_R8A66597_HCD) += r8a66597-hcd.o
 COBJS-$(CONFIG_USB_S3C64XX) += s3c64xx-hcd.o
diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
new file mode 100644
index 0000000..f0ccb83
--- /dev/null
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2012 Sughosh Ganu <urwithsughosh@gmail.com>
+ *
+ * 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.
+ */
+
+#include <common.h>
+
+#include <asm/arch/da8xx-usb.h>
+
+int usb_cpu_init(void)
+{
+	/* enable psc for usb2.0 */
+	lpsc_on(DAVINCI_LPSC_USB20);
+
+	/* enable psc for usb1.0 */
+	lpsc_on(DAVINCI_LPSC_USB11);
+
+	/* start the on-chip usb phy and its pll */
+	if (usb_phy_on())
+		return 0;
+
+	return 1;
+}
+
+int usb_cpu_stop(void)
+{
+	usb_phy_off();
+
+	/* turn off the usb clock and assert the module reset */
+	lpsc_disable(DAVINCI_LPSC_USB11);
+	lpsc_disable(DAVINCI_LPSC_USB20);
+
+	return 0;
+}
+
+int usb_cpu_init_fail(void)
+{
+	return usb_cpu_stop();
+}