freebsd-dev/sys/i386/isa/sireg.h
1997-02-22 09:48:43 +00:00

70 lines
2.7 KiB
C

/*
* Device driver for Specialix range (SI/XIO) of serial line multiplexors.
* 'C' definitions for Specialix serial multiplex driver.
*
* Copyright (C) 1990, 1992 Specialix International,
* Copyright (C) 1993, Andy Rutter <andy@acronym.co.uk>
* Copyright (C) 1995, Peter Wemm <peter@haywire.dialix.com>
*
* Derived from: SunOS 4.x version
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notices, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notices, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Andy Rutter of
* Advanced Methods and Tools Ltd. based on original information
* from Specialix International.
* 4. Neither the name of Advanced Methods and Tools, nor Specialix
* International may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHORS BE LIABLE.
*
* $Id$
*/
/*
* Hardware parameters which should be changed at your peril!
*/
/* Base and mask for SI Host 2.x (SIHOST2) */
#define SIPLSIG 0x7FF8 /* Start of control space */
#define SIPLCNTL 0x7FF8 /* Ditto */
#define SIPLRESET SIPLCNTL /* 0 = reset */
#define SIPLIRQ11 (SIPLCNTL+1) /* 0 = mask irq 11 */
#define SIPLIRQ12 (SIPLCNTL+2) /* 0 = mask irq 12 */
#define SIPLIRQ15 (SIPLCNTL+3) /* 0 = mask irq 15 */
#define SIPLIRQSET (SIPLCNTL+4) /* 0 = interrupt host */
#define SIPLIRQCLR (SIPLCNTL+5) /* 0 = clear irq */
/* SI Host 1.x */
#define SIRAM 0x0000 /* Ram Starts here */
#define SIRESET 0x8000 /* Set reset */
#define SIRESET_CL 0xc000 /* Clear reset */
#define SIWAIT 0x9000 /* Set wait */
#define SIWAIT_CL 0xd000 /* Set wait */
#define SIINTCL 0xA000 /* Clear host int */
#define SIINTCL_CL 0xE000 /* Clear host int */
/*
* MEMSIZE is the total shared mem region
* RAMSIZE is value to use when probing
*/
#define SIHOST_MEMSIZE 0x10000
#define SIHOST_RAMSIZE 0x8000
#define SIHOST2_MEMSIZE 0x8000
#define SIHOST2_RAMSIZE 0x7ff7
#define SIEISA_MEMSIZE 0x10000
#define SEISAT_RAMSIZE 0x10000