libgloss/m68k/mc68681reg.h

   1 /* mc68681reg.h -- Motorola mc68681 DUART register offsets.
   2  * Copyright (c) 1995 Cygnus Support
   3  *
   4  * The authors hereby grant permission to use, copy, modify, distribute,
   5  * and license this software and its documentation for any purpose, provided
   6  * that existing copyright notices are retained in all copies and that this
   7  * notice is included verbatim in any distributions. No written agreement,
   8  * license, or royalty fee is required for any of the authorized uses.
   9  * Modifications to this software may be copyrighted by their authors
  10  * and need not follow the licensing terms described here, provided that
  11  * the new terms are clearly indicated on the first page of each file where
  12  * they apply.
  13  */
  14
  15 #define DUART_MR1A      0x00            /* Mode Register A */
  16 #define DUART_MR1A      0x00            /* Mode Register A */
  17 #define DUART_SRA       0x01            /* Status Register A */
  18 #define DUART_CSRA      0x01            /* Clock-Select Register A */
  19 #define DUART_CRA       0x02            /* Command Register A */
  20 #define DUART_RBA       0x03            /* Receive Buffer A */
  21 #define DUART_TBA       0x03            /* Transmit Buffer A */
  22 #define DUART_IPCR      0x04            /* Input Port Change Register */
  23 #define DUART_ACR       0x04            /* Auxiliary Control Register */
  24 #define DUART_ISR       0x05            /* Interrupt Status Register */
  25 #define DUART_IMR       0x05            /* Interrupt Mask Register */
  26 #define DUART_CUR       0x06            /* Counter Mode: current MSB */
  27 #define DUART_CTUR      0x06            /* Counter/Timer upper reg */
  28 #define DUART_CLR       0x07            /* Counter Mode: current LSB */
  29 #define DUART_CTLR      0x07            /* Counter/Timer lower reg */
  30 #define DUART_MR1B      0x08            /* Mode Register B */
  31 #define DUART_MR2B      0x08            /* Mode Register B */
  32 #define DUART_SRB       0x09            /* Status Register B */
  33 #define DUART_CSRB      0x09            /* Clock-Select Register B */
  34 #define DUART_CRB       0x0A            /* Command Register B */
  35 #define DUART_RBB       0x0B            /* Receive Buffer B */
  36 #define DUART_TBB       0x0B            /* Transmit Buffer A */
  37 #define DUART_IVR       0x0C            /* Interrupt Vector Register */
  38 #define DUART_IP        0x0D            /* Input Port */
  39 #define DUART_OPCR      0x0D            /* Output Port Configuration Reg. */
  40 #define DUART_STRTCC    0x0E            /* Start-Counter command */
  41 #define DUART_OPRSET    0x0E            /* Output Port Reg, SET bits */
  42 #define DUART_STOPCC    0x0F            /* Stop-Counter command */
  43 #define DUART_OPRRST    0x0F            /* Output Port Reg, ReSeT bits */