/*      $NetBSD: autoconf.c,v 1.28 2025/10/13 15:40:14 thorpej Exp $    */

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1992, 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 and Ralph Campbell.
 *
 * 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.
 *
 * from: Utah Hdr: autoconf.c 1.31 91/01/21
 *
 *      @(#)autoconf.c  8.1 (Berkeley) 6/10/93
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.28 2025/10/13 15:40:14 thorpej Exp $");

#include "opt_md.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/disklabel.h>
#include <sys/device.h>
#include <sys/bus.h>

#include <sh3/exception.h>
#include <machine/intr.h>

#include <machine/config_hook.h>
#include <machine/autoconf.h>
#include <machine/platid.h>
#include <machine/platid_mask.h>

#include <hpcsh/dev/hd64461/hd64461var.h>
#include <hpcsh/dev/hd64465/hd64465var.h>

static char booted_device_name[16];
#ifndef MEMORY_DISK_IS_ROOT
static void get_device(char *name);
#endif

void
cpu_configure(void)
{

        config_hook_init();
        hd6446x_intr_init();
#ifdef SH3
        if (CPU_IS_SH3) /* HD64461 (Jornada 690, HP620LX, HPW-50PA) */
                intc_intr_establish(SH7709_INTEVT2_IRQ4, IST_LEVEL, IPL_TTY,
                    (void *)1/* fake. see intc_intr(). */, 0);
#endif
#ifdef SH4
        if (CPU_IS_SH4) /* HD64465 (HPW-650PA) */
                intc_intr_establish(SH_INTEVT_IRL11, IST_LEVEL, IPL_TTY,
                    (void *)1/* fake. see intc_intr(). */, 0);
#endif

        /* Kick off autoconfiguration. */
        splhigh();
        if (config_rootfound("mainbus", NULL) == NULL)
                panic("no mainbus found");

        /* Configuration is finished, turn on interrupts. */
        spl0();
}

void
cpu_rootconf(void)
{

#ifndef MEMORY_DISK_IS_ROOT
        get_device(booted_device_name);

        printf("boot device: %s\n",
               booted_device ? device_xname(booted_device) : "<unknown>");
#endif
        rootconf();
}

void
makebootdev(const char *cp)
{

        strncpy(booted_device_name, cp, 16);
}

#define HPW50PAD_RTC_BASE       1996

void
device_register(device_t dev, void *aux)
{
        device_t parent;

        parent = device_parent(dev);

        if (device_is_a(dev, "rtc") &&
            parent != NULL && device_is_a(parent, "shb") &&
            platid_match(&platid, &platid_mask_MACH_HITACHI_PERSONA_HPW50PAD)) {
                if (! device_setprop_uint(dev, "start-year",
                                          HPW50PAD_RTC_BASE)) {
                        printf("WARNING: unable to set start-year "
                            "property for %s\n", device_xname(dev));
                }
                return;
        }
}

#ifndef MEMORY_DISK_IS_ROOT
static void
get_device(char *name)
{
        int unit, part;
        char devname[16], *cp;
        device_t dv;

        if (strncmp(name, "/dev/", 5) == 0)
                name += 5;

        if (devsw_name2blk(name, devname, sizeof(devname)) == -1)
                return;

        name += strlen(devname);
        unit = part = 0;

        cp = name;
        while (*cp >= '0' && *cp <= '9')
                unit = (unit * 10) + (*cp++ - '0');
        if (cp == name)
                return;

        if (*cp >= 'a' && *cp <= ('a' + MAXPARTITIONS))
                part = *cp - 'a';
        else if (*cp != '\0' && *cp != ' ')
                return;

        if ((dv = device_find_by_driver_unit(devname, unit)) != NULL) {
                booted_device = dv;
                booted_partition = part;
        }
}
#endif /* !MEMORY_DISK_IS_ROOT */