diff options
author | bde <bde@FreeBSD.org> | 1995-07-05 12:15:52 +0000 |
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committer | bde <bde@FreeBSD.org> | 1995-07-05 12:15:52 +0000 |
commit | 5cca7ebf45bf5ebb408fa28e2250deb9b5656ab8 (patch) | |
tree | 5de9f56f2672dc4e85c0b38593c5e3e11ed9665d /sys/i386/isa/cyreg.h | |
parent | 5f993810e3e669cf015a523fde64e4fc5da584e9 (diff) | |
download | FreeBSD-src-5cca7ebf45bf5ebb408fa28e2250deb9b5656ab8.zip FreeBSD-src-5cca7ebf45bf5ebb408fa28e2250deb9b5656ab8.tar.gz |
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.
Diffstat (limited to 'sys/i386/isa/cyreg.h')
-rw-r--r-- | sys/i386/isa/cyreg.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sys/i386/isa/cyreg.h b/sys/i386/isa/cyreg.h new file mode 100644 index 0000000..8df7294 --- /dev/null +++ b/sys/i386/isa/cyreg.h @@ -0,0 +1,57 @@ +/*- + * 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 |