LXR uboot/board/sandburst/common/ppc440gx

   1/*
   2 *  Copyright (C) 2005 Sandburst Corporation
   3 *
   4 * See file CREDITS for list of people who contributed to this
   5 * project.
   6 *
   7 * This program is free software; you can redistribute it and/or
   8 * modify it under the terms of the GNU General Public License as
   9 * published by the Free Software Foundation; either version 2 of
  10 * the License, or (at your option) any later version.
  11 *
  12 * This program is distributed in the hope that it will be useful,
  13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 * GNU General Public License for more details.
  16 *
  17 * You should have received a copy of the GNU General Public License
  18 * along with this program; if not, write to the Free Software
  19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20 * MA 02111-1307 USA
  21 */
  22
  23/*
  24 * Ported from i2c driver for ppc4xx by AS HARNOIS by
  25 * Travis B. Sawyer
  26 * Sandburst Corporation
  27 */
  28#include <common.h>
  29#include <asm/ppc4xx.h>
  30#include <asm/ppc4xx-i2c.h>
  31#include <i2c.h>
  32
  33#ifdef CONFIG_HARD_I2C
  34
  35#define I2C_BUS1_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000500)
  36#define    I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR
  37#define    IIC_MDBUF1   (&i2c->mdbuf)
  38#define    IIC_SDBUF1   (&i2c->sdbuf)
  39#define    IIC_LMADR1   (&i2c->lmadr)
  40#define    IIC_HMADR1   (&i2c->hmadr)
  41#define    IIC_CNTL1    (&i2c->cntl)
  42#define    IIC_MDCNTL1  (&i2c->mdcntl)
  43#define    IIC_STS1     (&i2c->sts)
  44#define    IIC_EXTSTS1  (&i2c->extsts)
  45#define    IIC_LSADR1   (&i2c->lsadr)
  46#define    IIC_HSADR1   (&i2c->hsadr)
  47#define    IIC_CLKDIV1  (&i2c->clkdiv)
  48#define    IIC_INTRMSK1 (&i2c->intrmsk)
  49#define    IIC_XFRCNT1  (&i2c->xfrcnt)
  50#define    IIC_XTCNTLSS1        (&i2c->xtcntlss)
  51#define    IIC_DIRECTCNTL1 (&i2c->directcntl)
  52
  53void i2c1_init (int speed, int slaveadd);
  54int i2c_probe1 (uchar chip);
  55int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
  56int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
  57uchar i2c_reg_read1(uchar i2c_addr, uchar reg);
  58void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val);
  59
  60#endif  /* CONFIG_HARD_I2C */
  61