summaryrefslogtreecommitdiffstats
path: root/board/sandburst/common/ppc440gx_i2c.h
blob: b1179bcc4a5bc65777e377277ac9a8e6c270cb31 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
 *  Copyright (C) 2005 Sandburst Corporation
 *
 * SPDX-License-Identifier:	GPL-2.0+ 
 */

/*
 * Ported from i2c driver for ppc4xx by AS HARNOIS by
 * Travis B. Sawyer
 * Sandburst Corporation
 */
#include <common.h>
#include <asm/ppc4xx.h>
#include <asm/ppc4xx-i2c.h>
#include <i2c.h>

#ifdef CONFIG_HARD_I2C

#define I2C_BUS1_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000500)
#define	   I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR
#define    IIC_MDBUF1	(&i2c->mdbuf)
#define    IIC_SDBUF1	(&i2c->sdbuf)
#define    IIC_LMADR1	(&i2c->lmadr)
#define    IIC_HMADR1	(&i2c->hmadr)
#define    IIC_CNTL1	(&i2c->cntl)
#define    IIC_MDCNTL1	(&i2c->mdcntl)
#define    IIC_STS1	(&i2c->sts)
#define    IIC_EXTSTS1	(&i2c->extsts)
#define    IIC_LSADR1	(&i2c->lsadr)
#define    IIC_HSADR1	(&i2c->hsadr)
#define    IIC_CLKDIV1	(&i2c->clkdiv)
#define    IIC_INTRMSK1	(&i2c->intrmsk)
#define    IIC_XFRCNT1	(&i2c->xfrcnt)
#define    IIC_XTCNTLSS1	(&i2c->xtcntlss)
#define    IIC_DIRECTCNTL1 (&i2c->directcntl)

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 */
OpenPOWER on IntegriCloud