2 * Copyright (C) 2005 Sandburst Corporation
4 * See file CREDITS for list of people who contributed to this
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.
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.
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,
24 * Ported from i2c driver for ppc4xx by AS HARNOIS by
26 * Sandburst Corporation
33 #ifdef CONFIG_HARD_I2C
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)
53 void i2c1_init (int speed, int slaveadd);
54 int i2c_probe1 (uchar chip);
55 int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
56 int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
57 uchar i2c_reg_read1(uchar i2c_addr, uchar reg);
58 void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val);
60 #endif /* CONFIG_HARD_I2C */