| /* |
| * 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 <common.h> |
| #include <ppc4xx.h> |
| #if defined(CONFIG_440) |
| # include <440_i2c.h> |
| #else |
| # include <405gp_i2c.h> |
| #endif |
| #include <i2c.h> |
| |
| |
| #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 |