source: trunk/libs/newlib/src/libgloss/m68k/mc68681reg.h @ 546

Last change on this file since 546 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 2.2 KB
Line 
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 */
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