112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/* $NetBSD: zs_pcc.c,v 1.5 2003/09/28 22:00:26 cl Exp $ */
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/*
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* Copyright (c) 1997, 1999
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* Matthias Drochner. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: zs_pcc.c,v 1.5 2003/09/28 22:00:26 cl Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <sys/device.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/time.h>
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#include <sys/kernel.h>
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#include <sys/syslog.h>
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#include <dev/cons.h>
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#include <dev/ic/z8530reg.h>
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#include <machine/z8530var.h>
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#include <machine/cpu.h>
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#include <machine/autoconf.h>
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#include <cesfic/cesfic/isr.h>
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#include <cesfic/dev/zsvar.h>
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extern void sic_enable_int __P((int, int, int, int, int));
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static int zsc_pcc_match __P((struct device *, struct cfdata *, void *));
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static void zsc_pcc_attach __P((struct device *, struct device *, void *));
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static char *zsbase;
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CFATTACH_DECL(zsc_pcc, sizeof(struct zsc_softc),
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zsc_pcc_match, zsc_pcc_attach, NULL, NULL);
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static int
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zsc_pcc_match(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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return (1);
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}
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static void
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zsc_pcc_attach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct zsc_softc *zsc = (void *) self;
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static int didintr;
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if (!zsbase)
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mainbus_map(0x58000000, 0x10000, 0, (void *)&zsbase);
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/* Do common parts of SCC configuration. */
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zs_config(zsc, zsbase);
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/*
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* Now safe to install interrupt handlers. Note the arguments
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* to the interrupt handlers aren't used. Note, we only do this
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* once since both SCCs interrupt at the same level and vector.
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*/
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if (didintr == 0) {
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didintr = 1;
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(void) isrlink(zshard, zsc, 4, ISRPRI_TTY);
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sic_enable_int(19, 0, 4, 4, 0);
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}
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zs_write_reg(zsc->zsc_cs[0], 2, 0x18 + ZSHARD_PRI);
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zs_write_reg(zsc->zsc_cs[0], 9, ZSWR9_MASTER_IE);
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}
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void
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zs_cnattach(base)
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void *base;
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{
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zsbase = base;
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zs_cninit(zsbase);
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}
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