NetBSD/sys/arch/sh5/dev/superhyway.c

114 lines
3.5 KiB
C

/* $NetBSD: superhyway.c,v 1.1 2002/07/05 13:31:55 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
* All rights reserved.
*
* Written by Steve C. Woodford for Wasabi Systems, Inc.
*
* 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 for the NetBSD Project by
* Wasabi Systems, Inc.
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
* 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.
*/
/*
* SH-5 SuperHyway Bus Abstraction
*/
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <sh5/sh5/mainbus.h>
#include <sh5/dev/superhywayvar.h>
static int superhywaymatch(struct device *, struct cfdata *, void *);
static void superhywayattach(struct device *, struct device *, void *);
static int superhywayprint(void *, const char *);
struct cfattach superhyway_ca = {
sizeof(struct device), superhywaymatch, superhywayattach
};
extern struct cfdriver superhyway_cd;
static const char *superhyway_devices[] = {
"cpu", "pbridge", "emi", "dmac", "femi", "pchb", NULL
};
/*ARGSUSED*/
static int
superhywaymatch(struct device *parent, struct cfdata *cf, void *args)
{
struct mainbus_attach_args *ma = args;
return (strcmp(ma->ma_name, superhyway_cd.cd_name) == 0);
}
/*ARGSUSED*/
static void
superhywayattach(struct device *parent, struct device *self, void *args)
{
struct mainbus_attach_args *ma = args;
struct superhyway_attach_args sa;
int i;
printf(": SuperHyway bus\n");
/*
* Attach configured children
*/
for (i = 0; superhyway_devices[i] != NULL; i++) {
sa.sa_name = superhyway_devices[i];
sa.sa_bust = ma->ma_bust;
sa.sa_dmat = ma->ma_dmat;
sa.sa_pport = (u_int)-1;
(void) config_found(self, &sa, superhywayprint);
}
}
static int
superhywayprint(void *arg, const char *cp)
{
struct superhyway_attach_args *sa = arg;
int pport = (int)sa->sa_pport;
if (pport != 0 && cp)
printf("%s at %s", sa->sa_name, cp);
if (pport > 0)
printf(" p-port 0x%02x", pport);
return ((pport == 0) ? QUIET : UNCONF);
}