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>

4 files changed, 51 insertions, 103 deletions

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 @@ LIB	:= $(obj)libusb_host.o
 # ohci
 COBJS-$(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();
+}
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 617d88e..653410a 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -23,7 +23,8 @@
  */
 #include <common.h>
 
-#include "da8xx.h"
+#include "musb_core.h"
+#include <asm/arch/da8xx-usb.h>
 
 /* MUSB platform configuration */
 struct musb_config musb_cfg = {
diff --git a/drivers/usb/musb/da8xx.h b/drivers/usb/musb/da8xx.h
deleted file mode 100644
index be1cdaf..0000000
--- a/drivers/usb/musb/da8xx.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * da8xx.h -- TI's DA8xx platform specific usb wrapper definitions.
- *
- * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
- *
- * Based on drivers/usb/musb/davinci.h
- *
- * Copyright (C) 2009 Texas Instruments Incorporated
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#ifndef __DA8XX_MUSB_H__
-#define __DA8XX_MUSB_H__
-
-#include <asm/arch/hardware.h>
-#include <asm/arch/gpio.h>
-#include "musb_core.h"
-
-/* Base address of da8xx usb0 wrapper */
-#define DA8XX_USB_OTG_BASE  0x01E00000
-
-/* Base address of da8xx musb core */
-#define DA8XX_USB_OTG_CORE_BASE (DA8XX_USB_OTG_BASE + 0x400)
-
-/* Timeout for DA8xx usb module */
-#define DA8XX_USB_OTG_TIMEOUT 0x3FFFFFF
-
-/*
- * DA8xx platform USB wrapper register overlay.
- */
-struct da8xx_usb_regs {
-	dv_reg	revision;
-	dv_reg	control;
-	dv_reg 	status;
-	dv_reg 	emulation;
-	dv_reg 	mode;
-	dv_reg 	autoreq;
-	dv_reg 	srpfixtime;
-	dv_reg 	teardown;
-	dv_reg 	intsrc;
-	dv_reg 	intsrc_set;
-	dv_reg 	intsrc_clr;
-	dv_reg 	intmsk;
-	dv_reg 	intmsk_set;
-	dv_reg 	intmsk_clr;
-	dv_reg 	intsrcmsk;
-	dv_reg 	eoi;
-	dv_reg 	intvector;
-	dv_reg 	grndis_size[4];
-};
-
-#define da8xx_usb_regs ((struct da8xx_usb_regs *)DA8XX_USB_OTG_BASE)
-
-/* DA8XX interrupt bits definitions */
-#define DA8XX_USB_TX_ENDPTS_MASK  0x1f	/* ep0 + 4 tx */
-#define DA8XX_USB_RX_ENDPTS_MASK  0x1e	/* 4 rx */
-#define DA8XX_USB_TXINT_SHIFT	  0
-#define DA8XX_USB_RXINT_SHIFT	  8
-
-#define DA8XX_USB_USBINT_MASK	  0x01ff0000	/* 8 Mentor, DRVVBUS */
-#define DA8XX_USB_TXINT_MASK \
-		(DA8XX_USB_TX_ENDPTS_MASK << DA8XX_USB_TXINT_SHIFT)
-#define DA8XX_USB_RXINT_MASK \
-		(DA8XX_USB_RX_ENDPTS_MASK << DA8XX_USB_RXINT_SHIFT)
-
-/* DA8xx CFGCHIP2 (USB 2.0 PHY Control) register bits */
-#define CFGCHIP2_PHYCLKGD	(1 << 17)
-#define CFGCHIP2_VBUSSENSE	(1 << 16)
-#define CFGCHIP2_RESET		(1 << 15)
-#define CFGCHIP2_OTGMODE	(3 << 13)
-#define CFGCHIP2_NO_OVERRIDE	(0 << 13)
-#define CFGCHIP2_FORCE_HOST	(1 << 13)
-#define CFGCHIP2_FORCE_DEVICE 	(2 << 13)
-#define CFGCHIP2_FORCE_HOST_VBUS_LOW (3 << 13)
-#define CFGCHIP2_USB1PHYCLKMUX	(1 << 12)
-#define CFGCHIP2_USB2PHYCLKMUX	(1 << 11)
-#define CFGCHIP2_PHYPWRDN	(1 << 10)
-#define CFGCHIP2_OTGPWRDN	(1 << 9)
-#define CFGCHIP2_DATPOL 	(1 << 8)
-#define CFGCHIP2_USB1SUSPENDM	(1 << 7)
-#define CFGCHIP2_PHY_PLLON	(1 << 6)	/* override PLL suspend */
-#define CFGCHIP2_SESENDEN	(1 << 5)	/* Vsess_end comparator */
-#define CFGCHIP2_VBDTCTEN	(1 << 4)	/* Vbus comparator */
-#define CFGCHIP2_REFFREQ	(0xf << 0)
-#define CFGCHIP2_REFFREQ_12MHZ	(1 << 0)
-#define CFGCHIP2_REFFREQ_24MHZ	(2 << 0)
-#define CFGCHIP2_REFFREQ_48MHZ	(3 << 0)
-
-#define DA8XX_USB_VBUS_GPIO	(1 << 15)
-#endif	/* __DA8XX_MUSB_H__ */