| Stefan Roese | b79316f | 2005-08-15 12:31:23 +0200 | [diff] [blame] | 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> |
| 30 | #if defined(CONFIG_440) |
| 31 | # include <440_i2c.h> |
| 32 | #else |
| 33 | # include <405gp_i2c.h> |
| 34 | #endif |
| 35 | #include <i2c.h> |
| 36 | |
| Stefan Roese | b79316f | 2005-08-15 12:31:23 +0200 | [diff] [blame] | 37 | #ifdef CONFIG_HARD_I2C |
| 38 | |
| Stefan Roese | b79316f | 2005-08-15 12:31:23 +0200 | [diff] [blame] | 39 | #define I2C_BUS1_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000500) |
| 40 | #define I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR |
| 41 | #define IIC_MDBUF1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDBUF) |
| 42 | #define IIC_SDBUF1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSDBUF) |
| 43 | #define IIC_LMADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLMADR) |
| 44 | #define IIC_HMADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHMADR) |
| 45 | #define IIC_CNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCNTL) |
| 46 | #define IIC_MDCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICMDCNTL) |
| 47 | #define IIC_STS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICSTS) |
| 48 | #define IIC_EXTSTS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICEXTSTS) |
| 49 | #define IIC_LSADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICLSADR) |
| 50 | #define IIC_HSADR1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICHSADR) |
| 51 | #define IIC_CLKDIV1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICCLKDIV) |
| 52 | #define IIC_INTRMSK1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICINTRMSK) |
| 53 | #define IIC_XFRCNT1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXFRCNT) |
| 54 | #define IIC_XTCNTLSS1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICXTCNTLSS) |
| 55 | #define IIC_DIRECTCNTL1 (I2C_REGISTERS_BUS1_BASE_ADDRESS+IICDIRECTCNTL) |
| 56 | |
| 57 | void i2c1_init (int speed, int slaveadd); |
| 58 | int i2c_probe1 (uchar chip); |
| 59 | int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len); |
| 60 | int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len); |
| 61 | uchar i2c_reg_read1(uchar i2c_addr, uchar reg); |
| 62 | void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val); |
| 63 | |
| Wolfgang Denk | 3d078ce | 2005-08-15 16:03:56 +0200 | [diff] [blame] | 64 | #endif /* CONFIG_HARD_I2C */ |