board/sandburst/common/ppc440gx_i2c.h

   1 /*
   2  *  Copyright (C) 2005 Sandburst Corporation
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 /*
   8  * Ported from i2c driver for ppc4xx by AS HARNOIS by
   9  * Travis B. Sawyer
  10  * Sandburst Corporation
  11  */
  12 #include <common.h>
  13 #include <asm/ppc4xx.h>
  14 #include <asm/ppc4xx-i2c.h>
  15 #include <i2c.h>
  16
  17 #ifdef CONFIG_HARD_I2C
  18
  19 #define I2C_BUS1_BASE_ADDR (CONFIG_SYS_PERIPHERAL_BASE + 0x00000500)
  20 #define    I2C_REGISTERS_BUS1_BASE_ADDRESS I2C_BUS1_BASE_ADDR
  21 #define    IIC_MDBUF1   (&i2c->mdbuf)
  22 #define    IIC_SDBUF1   (&i2c->sdbuf)
  23 #define    IIC_LMADR1   (&i2c->lmadr)
  24 #define    IIC_HMADR1   (&i2c->hmadr)
  25 #define    IIC_CNTL1    (&i2c->cntl)
  26 #define    IIC_MDCNTL1  (&i2c->mdcntl)
  27 #define    IIC_STS1     (&i2c->sts)
  28 #define    IIC_EXTSTS1  (&i2c->extsts)
  29 #define    IIC_LSADR1   (&i2c->lsadr)
  30 #define    IIC_HSADR1   (&i2c->hsadr)
  31 #define    IIC_CLKDIV1  (&i2c->clkdiv)
  32 #define    IIC_INTRMSK1 (&i2c->intrmsk)
  33 #define    IIC_XFRCNT1  (&i2c->xfrcnt)
  34 #define    IIC_XTCNTLSS1        (&i2c->xtcntlss)
  35 #define    IIC_DIRECTCNTL1 (&i2c->directcntl)
  36
  37 void i2c1_init (int speed, int slaveadd);
  38 int i2c_probe1 (uchar chip);
  39 int i2c_read1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
  40 int i2c_write1 (uchar chip, uint addr, int alen, uchar * buffer, int len);
  41 uchar i2c_reg_read1(uchar i2c_addr, uchar reg);
  42 void i2c_reg_write1(uchar i2c_addr, uchar reg, uchar val);
  43
  44 #endif  /* CONFIG_HARD_I2C */