include/440_i2c.h

   1 #ifndef _440_i2c_h_
   2 #define _440_i2c_h_
   3
   4 #define    I2C_BASE_ADDR (CFG_PERIPHERAL_BASE + 0x00000400)
   5
   6 #define    I2C_REGISTERS_BASE_ADDRESS I2C_BASE_ADDR
   7 #define    IIC_MDBUF    (I2C_REGISTERS_BASE_ADDRESS+IICMDBUF)
   8 #define    IIC_SDBUF    (I2C_REGISTERS_BASE_ADDRESS+IICSDBUF)
   9 #define    IIC_LMADR    (I2C_REGISTERS_BASE_ADDRESS+IICLMADR)
  10 #define    IIC_HMADR    (I2C_REGISTERS_BASE_ADDRESS+IICHMADR)
  11 #define    IIC_CNTL     (I2C_REGISTERS_BASE_ADDRESS+IICCNTL)
  12 #define    IIC_MDCNTL   (I2C_REGISTERS_BASE_ADDRESS+IICMDCNTL)
  13 #define    IIC_STS      (I2C_REGISTERS_BASE_ADDRESS+IICSTS)
  14 #define    IIC_EXTSTS   (I2C_REGISTERS_BASE_ADDRESS+IICEXTSTS)
  15 #define    IIC_LSADR    (I2C_REGISTERS_BASE_ADDRESS+IICLSADR)
  16 #define    IIC_HSADR    (I2C_REGISTERS_BASE_ADDRESS+IICHSADR)
  17 #define    IIC_CLKDIV   (I2C_REGISTERS_BASE_ADDRESS+IICCLKDIV)
  18 #define    IIC_INTRMSK  (I2C_REGISTERS_BASE_ADDRESS+IICINTRMSK)
  19 #define    IIC_XFRCNT   (I2C_REGISTERS_BASE_ADDRESS+IICXFRCNT)
  20 #define    IIC_XTCNTLSS (I2C_REGISTERS_BASE_ADDRESS+IICXTCNTLSS)
  21 #define    IIC_DIRECTCNTL (I2C_REGISTERS_BASE_ADDRESS+IICDIRECTCNTL)
  22
  23 /* MDCNTL Register Bit definition */
  24 #define    IIC_MDCNTL_HSCL 0x01
  25 #define    IIC_MDCNTL_EUBS 0x02
  26 #define    IIC_MDCNTL_EINT 0x04
  27 #define    IIC_MDCNTL_ESM  0x08
  28 #define    IIC_MDCNTL_FSM  0x10
  29 #define    IIC_MDCNTL_EGC  0x20
  30 #define    IIC_MDCNTL_FMDB 0x40
  31 #define    IIC_MDCNTL_FSDB 0x80
  32
  33 /* CNTL Register Bit definition */
  34 #define    IIC_CNTL_PT     0x01
  35 #define    IIC_CNTL_READ   0x02
  36 #define    IIC_CNTL_CHT    0x04
  37 #define    IIC_CNTL_RPST   0x08
  38 /* bit 2/3 for Transfer count*/
  39 #define    IIC_CNTL_AMD    0x40
  40 #define    IIC_CNTL_HMT    0x80
  41
  42 /* STS Register Bit definition */
  43 #define    IIC_STS_PT      0X01
  44 #define    IIC_STS_IRQA    0x02
  45 #define    IIC_STS_ERR     0X04
  46 #define    IIC_STS_SCMP    0x08
  47 #define    IIC_STS_MDBF    0x10
  48 #define    IIC_STS_MDBS    0X20
  49 #define    IIC_STS_SLPR    0x40
  50 #define    IIC_STS_SSS     0x80
  51
  52 /* EXTSTS Register Bit definition */
  53 #define    IIC_EXTSTS_XFRA 0X01
  54 #define    IIC_EXTSTS_ICT  0X02
  55 #define    IIC_EXTSTS_LA   0X04
  56
  57 /* XTCNTLSS Register Bit definition */
  58 #define    IIC_XTCNTLSS_SRST  0x01
  59 #define    IIC_XTCNTLSS_EPI   0x02
  60 #define    IIC_XTCNTLSS_SDBF  0x04
  61 #define    IIC_XTCNTLSS_SBDD  0x08
  62 #define    IIC_XTCNTLSS_SWS   0x10
  63 #define    IIC_XTCNTLSS_SWC   0x20
  64 #define    IIC_XTCNTLSS_SRS   0x40
  65 #define    IIC_XTCNTLSS_SRC   0x80
  66 #endif