board/sandburst/common/ppc440gx_i2c.h

   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 #if defined(CONFIG_440)
  31 #   include <440_i2c.h>
  32 #else
  33 #   include <405gp_i2c.h>
  34 #endif
  35 #include <i2c.h>
  36
  37 #ifdef CONFIG_HARD_I2C
  38
  39 #define I2C_BUS1_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000500)
  40 #define    I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR
  41 #define    IIC_MDBUF1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDBUF)
  42 #define    IIC_SDBUF1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSDBUF)
  43 #define    IIC_LMADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLMADR)
  44 #define    IIC_HMADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHMADR)
  45 #define    IIC_CNTL1    (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCNTL)
  46 #define    IIC_MDCNTL1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDCNTL)
  47 #define    IIC_STS1     (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSTS)
  48 #define    IIC_EXTSTS1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICEXTSTS)
  49 #define    IIC_LSADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLSADR)
  50 #define    IIC_HSADR1   (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHSADR)
  51 #define    IIC_CLKDIV1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCLKDIV)
  52 #define    IIC_INTRMSK1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICINTRMSK)
  53 #define    IIC_XFRCNT1  (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXFRCNT)
  54 #define    IIC_XTCNTLSS1        (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXTCNTLSS)
  55 #define    IIC_DIRECTCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICDIRECTCNTL)
  56
  57 void i2c1_init (int speed, int slaveadd);
  58 int i2c_probe1 (uchar chip);
  59 int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
  60 int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
  61 uchar i2c_reg_read1(uchar i2c_addr, uchar reg);
  62 void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val);
  63
  64 #endif  /* CONFIG_HARD_I2C */