[src/netbsd-1-5]: src/sys/arch/mvme68k/dev Pullup new file on the branch. (ap...

[scw <scw%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/66a12019d23c
branches:  netbsd-1-5
changeset: 489805:66a12019d23c
user:      scw <scw%NetBSD.org@localhost>
date:      Tue Oct 17 19:54:48 2000 +0000

description:
Pullup new file on the branch. (approved by tv)
Bring support for MVME162 into the 1.5 branch.

diffstat:

 sys/arch/mvme68k/dev/zs_pcctwo.c |  188 +++++++++++++++++++++++++++++++++++++++
 1 files changed, 188 insertions(+), 0 deletions(-)

diffs (192 lines):

diff -r f86bbed21ead -r 66a12019d23c sys/arch/mvme68k/dev/zs_pcctwo.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/mvme68k/dev/zs_pcctwo.c  Tue Oct 17 19:54:48 2000 +0000
@@ -0,0 +1,188 @@
+/*     $NetBSD: zs_pcctwo.c,v 1.1.2.2 2000/10/17 19:54:48 scw Exp $    */
+
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Gordon W. Ross, Jason R. Thorpe and Steve C. Woodford.
+ *
+ * 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 NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+/*
+ * Zilog Z8530 Dual UART driver (machine-dependent part)
+ *
+ * Runs two serial lines per chip using slave drivers.
+ * Plain tty/async lines use the zs_async slave.
+ *
+ * Modified for NetBSD/mvme68k by Jason R. Thorpe <thorpej%NetBSD.ORG@localhost>
+ *
+ * Modified to attach to the PCCchip2/MCchip backend by Steve Woodford.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/proc.h>
+#include <sys/device.h>
+#include <sys/conf.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/time.h>
+#include <sys/kernel.h>
+#include <sys/syslog.h>
+
+#include <dev/cons.h>
+#include <dev/ic/z8530reg.h>
+#include <machine/z8530var.h>
+
+#include <machine/cpu.h>
+#include <machine/bus.h>
+
+#include <mvme68k/dev/mainbus.h>
+#include <mvme68k/dev/pcctworeg.h>
+#include <mvme68k/dev/pcctwovar.h>
+#include <mvme68k/dev/zsvar.h>
+
+
+/* Definition of the driver for autoconfig. */
+static int     zsc_pcctwo_match(struct device *, struct cfdata *, void *);
+static void    zsc_pcctwo_attach(struct device *, struct device *, void *);
+
+struct cfattach zsc_pcctwo_ca = {
+       sizeof(struct zsc_softc), zsc_pcctwo_match, zsc_pcctwo_attach
+};
+
+extern struct cfdriver zsc_cd;
+
+cons_decl(zsc_pcctwo);
+
+
+/*
+ * Is the zs chip present?
+ */
+static int
+zsc_pcctwo_match(parent, cf, aux)
+       struct device *parent;
+       struct cfdata *cf;
+       void *aux;
+{
+       struct pcctwo_attach_args *pa = aux;
+
+       if (strcmp(pa->pa_name, zsc_cd.cd_name) || machineid != MVME_162)
+               return (0);
+
+       pa->pa_ipl = cf->pcctwocf_ipl;
+       if (pa->pa_ipl == -1)
+               pa->pa_ipl = ZSHARD_PRI;
+       return (1);
+}
+
+/*
+ * Attach a found zs.
+ */
+static void
+zsc_pcctwo_attach(parent, self, aux)
+       struct device *parent;
+       struct device *self;
+       void *aux;
+{
+       struct zsc_softc *zsc = (void *) self;
+       struct pcctwo_attach_args *pa = aux;
+       struct zsdevice zs;
+       bus_space_handle_t bush;
+       int zs_level;
+       static int vector = MCCHIPV_ZS0;
+
+       /* Map the device's registers */
+       bus_space_map(pa->pa_bust, pa->pa_offset, 8, 0, &bush);
+
+       zs_level = pa->pa_ipl;
+
+       /* XXX: This is a gross hack. I need to bus-space zs.c ... */
+       zs.zs_chan_b.zc_csr = (volatile u_char *) bush + 1;
+       zs.zs_chan_b.zc_data = (volatile u_char *) bush + 3;
+       zs.zs_chan_a.zc_csr = (volatile u_char *) bush + 5;
+       zs.zs_chan_a.zc_data = (volatile u_char *) bush + 7;
+
+       /* Do common parts of SCC configuration. */
+       zs_config(zsc, &zs, vector + PCCTWO_VECBASE, PCLK_162);
+
+       /*
+        * Now safe to install interrupt handlers.
+        */
+       pcctwointr_establish(vector++, zshard_unshared, zs_level, zsc);
+
+       /*
+        * Set master interrupt enable.
+        */
+       zs_write_reg(zsc->zsc_cs[0], 9, zs_init_reg[9]);
+}
+
+/****************************************************************
+ * Console support functions (MVME PCC specific!)
+ ****************************************************************/
+
+/*
+ * Check for SCC console.  The MVME-162 always uses unit 0 chan 0.
+ */
+void
+zsc_pcctwocnprobe(cp)
+       struct consdev *cp;
+{
+       if (machineid != MVME_162) {
+               cp->cn_pri = CN_DEAD;
+               return;
+       }
+
+       /* Initialize required fields. */
+       cp->cn_dev = makedev(zs_major, 0);
+       cp->cn_pri = CN_NORMAL;
+}
+
+void
+zsc_pcctwocninit(cp)
+       struct consdev *cp;
+{
+       bus_space_tag_t bust = MVME68K_INTIO_BUS_SPACE;
+       bus_space_handle_t bush;
+       struct zsdevice zs;
+
+       bus_space_map(bust, MAINBUS_PCCTWO_OFFSET + MCCHIP_ZS0_OFF, 8, 0,&bush);
+
+       /* XXX: This is a gross hack. I need to bus-space zs.c ... */
+       zs.zs_chan_b.zc_csr = (volatile u_char *) bush + 1;
+       zs.zs_chan_b.zc_data = (volatile u_char *) bush + 3;
+       zs.zs_chan_a.zc_csr = (volatile u_char *) bush + 5;
+       zs.zs_chan_a.zc_data = (volatile u_char *) bush + 7;
+
+       /* Do common parts of console init. */
+       zs_cnconfig(0, 0, &zs, PCLK_162);
+}