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Diffstat (limited to 'sys/dev/cy/cyreg.h')
| -rw-r--r-- | sys/dev/cy/cyreg.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/sys/dev/cy/cyreg.h b/sys/dev/cy/cyreg.h new file mode 100644 index 0000000..88a36eb --- /dev/null +++ b/sys/dev/cy/cyreg.h @@ -0,0 +1,75 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +/* + * Definitions for Cyclades Cyclom-Y serial boards. + */ + +/* + * Cyclades register offsets. These are physical offsets for ISA boards + * and physical offsets divided by 2 for PCI boards. + */ +#define CY8_SVCACKR 0x100 /* (r) */ +#define CY8_SVCACKT 0x200 /* (r) */ +#define CY8_SVCACKM 0x300 /* (r) */ +#define CY16_RESET 0x1400 /* (r) */ +#define CY_CLEAR_INTR 0x1800 /* intr ack address (w) */ + +#define CY_MAX_CD1400s 8 /* for Cyclom-32Y */ + +#define CY_CLOCK(version) ((version) >= 0x48 ? 60000000 : 25000000) +#define CY_RTS_DTR_SWAPPED(version) ((version) >= 0x48) + +/* + * The `cd' macros are for access to cd1400 registers. The `cy' macros + * are for access to Cyclades registers. Both sets of macros scale the + * register number to get an offset, but the scales are different for + * mostly historical reasons. + */ +#ifdef CyDebug +#define cd_inb(iobase, reg, cy_align) \ + (++cd_inbs, *((iobase) + (2 * (reg) << (cy_align)))) +#define cy_inb(iobase, reg, cy_align) \ + (++cy_inbs, *((iobase) + ((reg) << (cy_align)))) +#define cd_outb(iobase, reg, cy_align, val) \ + (++cd_outbs, (void)(*((iobase) + (2 * (reg) << (cy_align))) = (val))) +#define cy_outb(iobase, reg, cy_align, val) \ + (++cy_outbs, (void)(*((iobase) + ((reg) << (cy_align))) = (val))) +#else +#define cd_inb(iobase, reg, cy_align) \ + (*((iobase) + (2 * (reg) << (cy_align)))) +#define cy_inb(iobase, reg, cy_align) \ + (*((iobase) + ((reg) << (cy_align)))) +#define cd_outb(iobase, reg, cy_align, val) \ + ((void)(*((iobase) + (2 * (reg) << (cy_align))) = (val))) +#define cy_outb(iobase, reg, cy_align, val) \ + ((void)(*((iobase) + ((reg) << (cy_align))) = (val))) +#endif |
