mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 06:42:56 +00:00
87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
|
/*
|
||
|
|
* TI's Davinci platform specific USB wrapper functions.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008 Texas Instruments
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
*
|
||
|
|
* Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __DAVINCI_USB_H__
|
||
|
|
#define __DAVINCI_USB_H__
|
||
|
|
|
||
|
|
#include <asm/arch/hardware.h>
|
||
|
|
#include "musb_core.h"
|
||
|
|
|
||
|
|
/* Base address of DAVINCI usb0 wrapper */
|
||
|
|
#define DAVINCI_USB0_BASE 0x01C64000
|
||
|
|
|
||
|
|
/* Base address of DAVINCI musb core */
|
||
|
|
#define MENTOR_USB0_BASE (DAVINCI_USB0_BASE+0x400)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Davinci platform USB wrapper register overlay. Note: Only the required
|
||
|
|
* registers are included in this structure. It can be expanded as required.
|
||
|
|
*/
|
||
|
|
struct davinci_usb_regs {
|
||
|
|
u32 version;
|
||
|
|
u32 ctrlr;
|
||
|
|
u32 reserved[0x20];
|
||
|
|
u32 intclrr;
|
||
|
|
u32 intmskr;
|
||
|
|
u32 intmsksetr;
|
||
|
|
};
|
||
|
|
|
||
|
|
#define DAVINCI_USB_TX_ENDPTS_MASK 0x1f /* ep0 + 4 tx */
|
||
|
|
#define DAVINCI_USB_RX_ENDPTS_MASK 0x1e /* 4 rx */
|
||
|
|
#define DAVINCI_USB_USBINT_SHIFT 16
|
||
|
|
#define DAVINCI_USB_TXINT_SHIFT 0
|
||
|
|
#define DAVINCI_USB_RXINT_SHIFT 8
|
||
|
|
#define DAVINCI_INTR_DRVVBUS 0x0100
|
||
|
|
|
||
|
|
#define DAVINCI_USB_USBINT_MASK 0x01ff0000 /* 8 Mentor, DRVVBUS */
|
||
|
|
#define DAVINCI_USB_TXINT_MASK \
|
||
|
|
(DAVINCI_USB_TX_ENDPTS_MASK << DAVINCI_USB_TXINT_SHIFT)
|
||
|
|
#define DAVINCI_USB_RXINT_MASK \
|
||
|
|
(DAVINCI_USB_RX_ENDPTS_MASK << DAVINCI_USB_RXINT_SHIFT)
|
||
|
|
#define MGC_BUSCTL_OFFSET(_bEnd, _bOffset) \
|
||
|
|
(0x80 + (8*(_bEnd)) + (_bOffset))
|
||
|
|
|
||
|
|
/* Integrated highspeed/otg PHY */
|
||
|
|
#define USBPHY_CTL_PADDR (DAVINCI_SYSTEM_MODULE_BASE + 0x34)
|
||
|
|
#define USBPHY_PHYCLKGD (1 << 8)
|
||
|
|
#define USBPHY_SESNDEN (1 << 7) /* v(sess_end) comparator */
|
||
|
|
#define USBPHY_VBDTCTEN (1 << 6) /* v(bus) comparator */
|
||
|
|
#define USBPHY_PHYPLLON (1 << 4) /* override pll suspend */
|
||
|
|
#define USBPHY_CLKO1SEL (1 << 3)
|
||
|
|
#define USBPHY_OSCPDWN (1 << 2)
|
||
|
|
#define USBPHY_PHYPDWN (1 << 0)
|
||
|
|
|
||
|
|
/* Timeout for Davinci USB module */
|
||
|
|
#define DAVINCI_USB_TIMEOUT 0x3FFFFFF
|
||
|
|
|
||
|
|
/* IO Expander I2C address and VBUS enable mask */
|
||
|
|
#define IOEXP_I2C_ADDR 0x3A
|
||
|
|
#define IOEXP_VBUSEN_MASK 1
|
||
|
|
|
||
|
|
/* extern functions */
|
||
|
|
extern void lpsc_on(unsigned int id);
|
||
|
|
extern int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len);
|
||
|
|
extern int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len);
|
||
|
|
extern void enable_vbus(void);
|
||
|
|
#endif /* __DAVINCI_USB_H__ */
|