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Stefan Roeseb79316f2005-08-15 12:31:23 +02001/*
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>
Stefan Roese79b2d0b2007-02-20 10:27:08 +010030#include <4xx_i2c.h>
Stefan Roeseb79316f2005-08-15 12:31:23 +020031#include <i2c.h>
32
Stefan Roeseb79316f2005-08-15 12:31:23 +020033#ifdef CONFIG_HARD_I2C
34
Stefan Roeseb79316f2005-08-15 12:31:23 +020035#define I2C_BUS1_BASE_ADDR (CFG_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
Wolfgang Denk3d078ce2005-08-15 16:03:56 +020060#endif /* CONFIG_HARD_I2C */