projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| b79316f2 SR |
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> | |
| 79b2d0bb | 30 | #include <4xx_i2c.h> |
| b79316f2 SR |
31 | #include <i2c.h> |
| 32 | ||
| b79316f2 SR |
33 | #ifdef CONFIG_HARD_I2C |
| 34 | ||
| 6d0f6bcf | 35 | #define I2C_BUS1_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000500) |
| b79316f2 SR |
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 | ||
| 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); | |
| 59 | ||
| 3d078ce6 | 60 | #endif /* CONFIG_HARD_I2C */ |