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.

1 files changed, 57 insertions, 0 deletions

diff --git a/sys/dev/cy/cyreg.h b/sys/dev/cy/cyreg.h
new file mode 100644
index 0000000..8df7294
--- /dev/null
+++ b/sys/dev/cy/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