mpc8260i2c.h

mpc8260 i2c driver code, it is used for i2c controllor on mpc8260.

#ifndef __mpc8260i2c_H__
#define __mpc8260i2c_H__


#ifdef __cplusplus
extern "C" {
#endif


/*-------------------------------*/
/* I2C Register define */
/*-------------------------------*/


#define M8260_I2C_BASE_OFFSET      0x00008afc
#define M8260_I2C_BASE(base)       (UINT16 *) (M8260_I2C_BASE_OFFSET + (base))

/* I2C register */
#define M8260_I2C_REG_OFFSET       0x00011860
#define M8260_I2C_REG_BASE(base)   (M8260_I2C_REG_OFFSET + (base))
#define M8260_I2C_I2MOD(base)      (UINT8  *) (0x00 + M8260_I2C_REG_BASE(base))
#define M8260_I2C_I2ADD(base)      (UINT8  *) (0x04 + M8260_I2C_REG_BASE(base))
#define M8260_I2C_I2BRG(base)      (UINT8  *) (0x08 + M8260_I2C_REG_BASE(base))
#define M8260_I2C_I2COM(base)      (UINT8  *) (0x0c + M8260_I2C_REG_BASE(base))
#define M8260_I2C_I2CER(base)      (UINT8  *) (0x10 + M8260_I2C_REG_BASE(base))
#define M8260_I2C_I2CMR(base)      (UINT8  *) (0x14 + M8260_I2C_REG_BASE(base))
#define	M8260_SIPNR_L(base)	((UINT32 *) ((base) + 0x010C0C))




/* I2C Interrupt Vector */
#define INTR_I2C        0x01




/*-------------------------------------------------------*/
/* I2C Parameter RAM offset from base of Internal Memory */
/*-------------------------------------------------------*/

#define I2C_PARAM_OFFSET 0x3ec0

/*-------------------------------------------------------------------*/
/*         INTER-INTEGRATED CIRCUIT  (I2C)	                     */
/*-------------------------------------------------------------------*/

typedef struct 
{
   UINT16       rbase;		/* RX BD base address */
   UINT16       tbase;		/* TX BD base address */
   UINT8	rfcr;		/* Rx function code */
   UINT8	tfcr;		/* Tx function code */
   UINT16	mrblr;		/* Rx buffer length */
   UINT32	rstate;		/* Rx internal state */
   UINT32	rptr;		/* Rx internal data pointer */
   UINT16	rbptr;		/* rb BD Pointer */
   UINT16	rcount;		/* Rx internal byte count */
   UINT32	rtemp;		/* Rx temp */
   UINT32	tstate;		/* Tx internal state */
   UINT32	tptr;		/* Tx internal data pointer */
   UINT16	tbptr;		/* Tx BD pointer */
   UINT16	tcount;		/* Tx byte count */
   UINT32	ttemp;		/* Tx temp */
}I2cPram;


#ifdef __cplusplus
}
#endif 

#endif /* mpc860i2c_H*/