/* * Copyright (C) 2005 Sandburst Corporation * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* * Ported from i2c driver for ppc4xx by AS HARNOIS by * Travis B. Sawyer * Sandburst Corporation */ #include #include #include <4xx_i2c.h> #include #ifdef CONFIG_HARD_I2C #define I2C_BUS1_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000500) #define I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR #define IIC_MDBUF1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDBUF) #define IIC_SDBUF1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSDBUF) #define IIC_LMADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLMADR) #define IIC_HMADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHMADR) #define IIC_CNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCNTL) #define IIC_MDCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDCNTL) #define IIC_STS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSTS) #define IIC_EXTSTS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICEXTSTS) #define IIC_LSADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLSADR) #define IIC_HSADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHSADR) #define IIC_CLKDIV1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCLKDIV) #define IIC_INTRMSK1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICINTRMSK) #define IIC_XFRCNT1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXFRCNT) #define IIC_XTCNTLSS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXTCNTLSS) #define IIC_DIRECTCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICDIRECTCNTL) void i2c1_init (int speed, int slaveadd); int i2c_probe1 (uchar chip); int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len); int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len); uchar i2c_reg_read1(uchar i2c_addr, uchar reg); void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val); #endif /* CONFIG_HARD_I2C */