The grand reorganization, OpenBSD style.

Lossely based on the NetBSD reorg, but much improved upon, simpler, and doesn't
scribble needless junk into the bootblocks.

1 files changed, 158 insertions, 0 deletions

diff --git a/sys/arch/hp300/stand/common/dca.c b/sys/arch/hp300/stand/common/dca.c
new file mode 100644
index 00000000000..690df01c1fe
--- /dev/null
+++ b/sys/arch/hp300/stand/common/dca.c
@@ -0,0 +1,158 @@
+/*	$OpenBSD: dca.c,v 1.1 1997/07/14 08:14:10 downsj Exp $	*/
+/*	$NetBSD: dca.c,v 1.10 1996/10/06 01:42:48 mycroft Exp $	*/
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1990, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *	@(#)dca.c	8.1 (Berkeley) 6/10/93
+ */
+
+#ifdef DCACONSOLE
+#include <sys/param.h>
+#include <dev/cons.h>
+
+#include <hp300/dev/dcareg.h>
+
+#include "consdefs.h"
+#include "samachdep.h"
+
+/* If not using 4.4 devs */
+#ifndef dca_reset
+#define dca_id dca_irid
+#define dca_reset dca_id
+#endif
+
+struct dcadevice *dcacnaddr = 0;
+
+#define DCACONSCODE	9	/* XXX */
+
+void
+dcaprobe(cp)
+	struct consdev *cp;
+{
+	register struct dcadevice *dca;
+
+	dcacnaddr = (struct dcadevice *) sctoaddr(DCACONSCODE);
+	if (badaddr((char *)dcacnaddr)) {
+		cp->cn_pri = CN_DEAD;
+		return;
+	}
+#ifdef FORCEDCACONSOLE
+	cp->cn_pri = CN_REMOTE;
+#else
+	dca = dcacnaddr;
+	switch (dca->dca_id) {
+	case DCAID0:
+	case DCAID1:
+		cp->cn_pri = CN_NORMAL;
+		break;
+	case DCAREMID0:
+	case DCAREMID1:
+		cp->cn_pri = CN_REMOTE;
+		break;
+	default:
+		cp->cn_pri = CN_DEAD;
+		break;
+	}
+
+#endif
+	curcons_scode = DCACONSCODE;
+}
+
+void
+dcainit(cp)
+	struct consdev *cp;
+{
+	register struct dcadevice *dca = dcacnaddr;
+
+	dca->dca_reset = 0xFF;
+	DELAY(100);
+	dca->dca_ic = 0;
+	dca->dca_cfcr = CFCR_DLAB;
+	dca->dca_data = DCABRD(9600) & 0xFF;
+	dca->dca_ier = DCABRD(9600) >> 8;
+	dca->dca_cfcr = CFCR_8BITS;
+	dca->dca_fifo =
+	    FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST | FIFO_TRIGGER_1;
+	dca->dca_mcr = MCR_DTR | MCR_RTS;
+}
+
+/* ARGSUSED */
+#ifndef SMALL
+int
+dcagetchar(dev)
+	dev_t dev;
+{
+	register struct dcadevice *dca = dcacnaddr;
+	short stat;
+	int c;
+
+	if (((stat = dca->dca_lsr) & LSR_RXRDY) == 0)
+		return(0);
+	c = dca->dca_data;
+	return(c);
+}
+#else
+int
+dcagetchar(dev)
+	dev_t dev;
+{
+	return(0);
+}
+#endif
+
+/* ARGSUSED */
+void
+dcaputchar(dev, c)
+	dev_t dev;
+	register int c;
+{
+	register struct dcadevice *dca = dcacnaddr;
+	register int timo;
+	short stat;
+
+	/* wait a reasonable time for the transmitter to come ready */
+	timo = 50000;
+	while (((stat = dca->dca_lsr) & LSR_TXRDY) == 0 && --timo)
+		;
+	dca->dca_data = c;
+	/* wait for this transmission to complete */
+	timo = 1000000;
+	while (((stat = dca->dca_lsr) & LSR_TXRDY) == 0 && --timo)
+		;
+}
+#endif