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/* gxemul: $Id: ns16550reg.h,v 1.3 2005/03/05 12:34:03 debug Exp $ */ |
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#ifndef NS16550REG_H |
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#define NS16550REG_H |
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|
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/* $NetBSD: ns16550reg.h,v 1.5 2000/05/16 00:18:44 thorpej Exp $ */ |
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|
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/*- |
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* Copyright (c) 1991 The Regents of the University of California. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* This product includes software developed by the University of |
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* California, Berkeley and its contributors. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* @(#)ns16550.h 7.1 (Berkeley) 5/9/91 |
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*/ |
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|
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/* |
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* NS16550 UART registers |
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*/ |
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|
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#define com_data 0 /* data register (R/W) */ |
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#define com_dlbl 0 /* divisor latch low (W) */ |
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#define com_dlbh 1 /* divisor latch high (W) */ |
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#define com_ier 1 /* interrupt enable (W) */ |
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#define com_iir 2 /* interrupt identification (R) */ |
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#define com_fifo 2 /* FIFO control (W) */ |
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#define com_lctl 3 /* line control register (R/W) */ |
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#define com_cfcr 3 /* line control register (R/W) */ |
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#define com_mcr 4 /* modem control register (R/W) */ |
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#define com_lsr 5 /* line status register (R/W) */ |
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#define com_msr 6 /* modem status register (R/W) */ |
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#define com_scratch 7 /* scratch register (R/W) */ |
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|
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#endif /* NS16550REG_H */ |
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