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 <ppc4xx.h>
  30#include <4xx_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_REGISTERS_BUS1_BASE_ADDRESS+IICMDBUF)
  38#define    IIC_SDBUF1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSDBUF)
  39#define    IIC_LMADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLMADR)
  40#define    IIC_HMADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHMADR)
  41#define    IIC_CNTL1    (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCNTL)
  42#define    IIC_MDCNTL1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDCNTL)
  43#define    IIC_STS1     (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSTS)
  44#define    IIC_EXTSTS1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICEXTSTS)
  45#define    IIC_LSADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLSADR)
  46#define    IIC_HSADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHSADR)
  47#define    IIC_CLKDIV1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCLKDIV)
  48#define    IIC_INTRMSK1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICINTRMSK)
  49#define    IIC_XFRCNT1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXFRCNT)
  50#define    IIC_XTCNTLSS1        (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXTCNTLSS)
  51#define    IIC_DIRECTCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICDIRECTCNTL)
  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