Switch DEC 3000 (TURBOchannel) alpha serial code to MI z8530 code.

ttyB* minor numbers change; be sure to rerun MAKEDEV if you do not
upgrade with bsd.rd

Adapted from NetBSD by miod@

1 files changed, 119 insertions, 0 deletions

diff --git a/sys/arch/alpha/include/z8530var.h b/sys/arch/alpha/include/z8530var.h
new file mode 100644
index 00000000000..e185de30715
--- /dev/null
+++ b/sys/arch/alpha/include/z8530var.h
@@ -0,0 +1,119 @@
+/* $OpenBSD: z8530var.h,v 1.1 2017/11/02 14:04:24 mpi Exp $ */
+/* $NetBSD: z8530var.h,v 1.9 2008/03/29 19:15:34 tsutsui Exp $ */
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * 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, Lawrence Berkeley Laboratory.
+ *
+ * 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 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.
+ *
+ *	@(#)zsvar.h	8.1 (Berkeley) 6/11/93
+ */
+
+/*
+ * Copyright (c) 1994 Gordon W. Ross
+ *
+ * This software was developed by the Computer Systems Engineering group
+ * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+ * contributed to Berkeley.
+ *
+ * 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, Lawrence Berkeley Laboratory.
+ *
+ * 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.
+ *
+ *	@(#)zsvar.h	8.1 (Berkeley) 6/11/93
+ */
+
+/*
+ * XXX XXX XXX THIS DOES NOT WORK WITH MULTIPLE ATTACHMENTS!!! XXX XXX XXX
+ */
+
+#include <dev/ic/z8530sc.h>
+
+struct zsc_softc {
+	struct device		 zsc_dev;	/* required: base device */
+	struct zs_chanstate	*zsc_cs[2];	/* channel soft state */
+	/* Machine-dependent part follows... */
+	int zsc_addroffset;	/* used as "cookie" to identify scc */
+	void			*zsc_sih;	/* softinterrupt handle */
+};
+
+/*
+ * Functions to read and write individual registers in a channel.
+ * The ZS chip requires a 1.6 uSec. recovery time between accesses,
+ * and the Alpha TC hardware does NOT take care of this for you.
+ * The delay is now handled inside the chip access functions.
+ * These could be inlines, but with the delay, speed is moot.
+ */
+
+uint8_t zs_read_reg(struct zs_chanstate *, uint8_t);
+uint8_t zs_read_csr(struct zs_chanstate *);
+uint8_t zs_read_data(struct zs_chanstate *);
+
+void  zs_write_reg(struct zs_chanstate *, uint8_t, uint8_t);
+void  zs_write_csr(struct zs_chanstate *, uint8_t);
+void  zs_write_data(struct zs_chanstate *, uint8_t);
+
+/* Interrupt priority for the SCC chip */
+#define splzs()		spltty()
+#define	IPL_ZS		IPL_TTY