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/*
* da8xx-usb.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>
/* 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)
int usb_phy_on(void);
void usb_phy_off(void);
#endif /* __DA8XX_MUSB_H__ */
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