freebsd-dev/sys/i386/isa/cyreg.h
Bruce Evans 94ec1fba9a Rewrite:
- use pseudo-dma
- provide the same features and interface as sio
- support multiple boards
- fix bugs.

Some compile-time configuration constants are set to support higher
speeds and Cyclom-16Y's at a 30% relative cost in efficiency.
Cyclom-16Y support is untested.
1995-07-05 12:15:52 +00:00

58 lines
2.4 KiB
C

/*-
* Copyright (c) 1995 Bruce Evans.
* All rights reserved.
*
* 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
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: $
*/
/*
* Definitions for Cyclades Cyclom-Y serial boards.
*/
#define CY8_SVCACKR 0x100
#define CY8_SVCACKT 0x200
#define CY8_SVCACKM 0x300
#define CY_CD1400_MEMSIZE 0x400
#define CY16_RESET 0x1400
#define CY_CLEAR_INTR 0x1800 /* intr ack address */
#define CY_MAX_CD1400s 4 /* for Cyclom-16Y */
#define CY_CLOCK 25000000 /* baud rate clock */
#ifdef CyDebug
#define cd_inb(iobase, reg) (++cd_inbs, *((iobase) + 2 * (reg)))
#define cy_inb(iobase, reg) (++cy_inbs, *((iobase) + (reg)))
#define cd_outb(iobase, reg, val) (++cd_outbs, (void)(*((iobase) + 2 * (reg)) = (val)))
#define cy_outb(iobase, reg, val) (++cy_outbs, (void)(*((iobase) + (reg)) = (val)))
#else
#define cd_inb(iobase, reg) (*((iobase) + 2 * (reg)))
#define cy_inb(iobase, reg) (*((iobase) + (reg)))
#define cd_outb(iobase, reg, val) ((void)(*((iobase) + 2 * (reg)) = (val)))
#define cy_outb(iobase, reg, val) ((void)(*((iobase) + (reg)) = (val)))
#endif