LXR uboot/drivers/usb/musb/davinci.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * TI's Davinci platform specific USB wrapper functions.
   4 *
   5 * Copyright (c) 2008 Texas Instruments
   6 *
   7 * Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
   8 */
   9
  10#ifndef __DAVINCI_USB_H__
  11#define __DAVINCI_USB_H__
  12
  13#include <asm/arch/hardware.h>
  14#include "musb_core.h"
  15
  16/* Base address of DAVINCI usb0 wrapper */
  17#define DAVINCI_USB0_BASE 0x01C64000
  18
  19/* Base address of DAVINCI musb core */
  20#define MENTOR_USB0_BASE (DAVINCI_USB0_BASE+0x400)
  21
  22/*
  23 * Davinci platform USB wrapper register overlay. Note: Only the required
  24 * registers are included in this structure. It can be expanded as required.
  25 */
  26struct davinci_usb_regs {
  27        u32     version;
  28        u32     ctrlr;
  29        u32     reserved[0x20];
  30        u32     intclrr;
  31        u32     intmskr;
  32        u32     intmsksetr;
  33};
  34
  35#define DAVINCI_USB_TX_ENDPTS_MASK      0x1f /* ep0 + 4 tx */
  36#define DAVINCI_USB_RX_ENDPTS_MASK      0x1e /* 4 rx */
  37#define DAVINCI_USB_USBINT_SHIFT        16
  38#define DAVINCI_USB_TXINT_SHIFT         0
  39#define DAVINCI_USB_RXINT_SHIFT         8
  40#define DAVINCI_INTR_DRVVBUS            0x0100
  41
  42#define DAVINCI_USB_USBINT_MASK         0x01ff0000      /* 8 Mentor, DRVVBUS */
  43#define DAVINCI_USB_TXINT_MASK \
  44                (DAVINCI_USB_TX_ENDPTS_MASK << DAVINCI_USB_TXINT_SHIFT)
  45#define DAVINCI_USB_RXINT_MASK \
  46                (DAVINCI_USB_RX_ENDPTS_MASK << DAVINCI_USB_RXINT_SHIFT)
  47#define MGC_BUSCTL_OFFSET(_bEnd, _bOffset) \
  48                (0x80 + (8*(_bEnd)) + (_bOffset))
  49
  50/* Integrated highspeed/otg PHY */
  51#define USBPHY_CTL_PADDR        (DAVINCI_SYSTEM_MODULE_BASE + 0x34)
  52#define USBPHY_PHY24MHZ         (1 << 13)
  53#define USBPHY_PHYCLKGD         (1 << 8)
  54#define USBPHY_SESNDEN          (1 << 7)        /* v(sess_end) comparator */
  55#define USBPHY_VBDTCTEN         (1 << 6)        /* v(bus) comparator */
  56#define USBPHY_PHYPLLON         (1 << 4)        /* override pll suspend */
  57#define USBPHY_CLKO1SEL         (1 << 3)
  58#define USBPHY_OSCPDWN          (1 << 2)
  59#define USBPHY_PHYPDWN          (1 << 0)
  60
  61/* Timeout for Davinci USB module */
  62#define DAVINCI_USB_TIMEOUT 0x3FFFFFF
  63
  64/* IO Expander I2C address and VBUS enable mask */
  65#define IOEXP_I2C_ADDR 0x3A
  66#define IOEXP_VBUSEN_MASK 1
  67
  68/* extern functions */
  69extern void lpsc_on(unsigned int id);
  70extern int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len);
  71extern int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len);
  72extern void enable_vbus(void);
  73#endif  /* __DAVINCI_USB_H__ */
  74