sys/arch/mac68k/dev/sbcreg.h

   1 /*      $NetBSD: $      */
   2
   3 /*
   4  * Register map for the Mac II SCSI Interface (sbc)
   5  * This register map is for the SYM/NCR5380 SCSI Bus Interface
   6  * Controller (SBIC), with the wonderful 16 bytes/register layout
   7  * that Macs have.
   8  */
   9
  10 /*
  11  * Am5380 Register map (with padding)
  12  */
  13 typedef union {
  14         volatile u_char sci_reg;
  15         volatile u_char pad[16];
  16 } ncr5380_padded_reg_t;
  17
  18 struct sbc_regs {
  19         ncr5380_padded_reg_t sci_pr0;
  20         ncr5380_padded_reg_t sci_pr1;
  21         ncr5380_padded_reg_t sci_pr2;
  22         ncr5380_padded_reg_t sci_pr3;
  23         ncr5380_padded_reg_t sci_pr4;
  24         ncr5380_padded_reg_t sci_pr5;
  25         ncr5380_padded_reg_t sci_pr6;
  26         ncr5380_padded_reg_t sci_pr7;
  27 };