/*

   * definitions for MPC8xxx I/O Ports

   *
   * Murray.Jensen@cmst.csiro.au, 20-Oct-00
   */
  
  /*
   * this structure mirrors the layout of the five port registers in

   * the internal memory map

   */
  typedef struct {
      unsigned int pdir;		/* Port Data Direction Register (35-3) */
      unsigned int ppar;		/* Port Pin Assignment Register (35-4) */
      unsigned int psor;		/* Port Special Options Register (35-5) */
      unsigned int podr;		/* Port Open Drain Register (35-2) */
      unsigned int pdat;		/* Port Data Register (35-3) */
  } ioport_t;
  
  /*
   * this macro calculates the address within the internal
   * memory map (im) of the set of registers for a port (idx)
   *
   * the internal memory map aligns the above structure on
   * a 0x20 byte boundary
   */

  #ifdef CONFIG_MPC85xx

  #define ioport_addr(im, idx) (ioport_t *)((uint)&(im->im_cpm_iop) + ((idx)*0x20))

  #else

  #define ioport_addr(im, idx) (ioport_t *)((uint)&(im)->im_ioport + ((idx)*0x20))

  #endif

  
  /*
   * this structure provides configuration
   * information for one port pin
   */
  typedef struct {
      unsigned char conf:1;	/* if 1, configure this port */
      unsigned char ppar:1;	/* Port Pin Assignment Register (35-4) */
      unsigned char psor:1;	/* Port Special Options Register (35-2) */
      unsigned char pdir:1;	/* Port Data Direction Register (35-3) */
      unsigned char podr:1;	/* Port Open Drain Register (35-2) */
      unsigned char pdat:1;	/* Port Data Register (35-2) */
  } iop_conf_t;
  
  /*
   * a table that contains configuration information for all 32 pins

   *
   * NOTE: in the second dimension of this table, index 0 refers to pin 31
   * and index 31 refers to pin 0. this made the code in the table look more
   * like the table in the 8260UM (and in the hymod manuals).
   */
  extern const iop_conf_t iop_conf_tab[4][32];

  
  typedef struct {
  	unsigned char	port;
  	unsigned char	pin;
  	int		dir;
  	int		open_drain;
  	int		assign;
  } qe_iop_conf_t;
  
  #define QE_IOP_TAB_END	(-1)