/* $NetBSD: autoconf.c,v 1.21 2025/10/03 14:05:12 thorpej Exp $ */

/*-
 * Copyright (c) 2001 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe.
 *
 * 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.
 *
 * 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.21 2025/10/03 14:05:12 thorpej Exp $");

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

#include <sys/socket.h>         /* these three just to get ETHER_ADDR_LEN(!) */
#include <net/if.h>
#include <net/if_ether.h>

#include <machine/yamon.h>

#include <mips/alchemy/include/aureg.h>
#include <mips/alchemy/include/auvar.h>
#include <mips/alchemy/include/aubusvar.h>

#include <dev/ata/atavar.h>

/*
 * Configure all devices on system
 */     
void
cpu_configure(void)
{

        intr_init();

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

        /*
         * Hardware interrupts will be enabled in
         * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
         * to avoid hardclock(9) by CPU INT5 before softclockintr is
         * initialized in initclocks().
         */
}

void
cpu_rootconf(void)
{

        rootconf();
}

void
device_register(device_t dev, void *aux)
{
        /*
         * We don't ever know the boot device.  But that's because the
         * firmware only loads from the network.
         */

        /* Fetch the MAC addresses from YAMON. */
        if (device_is_a(dev, "aumac")) {
                struct aubus_attach_args *aa = aux;
                const char *cp;
                char *cp0;
                int i;
                uint8_t ethaddr[ETHER_ADDR_LEN];

                /* Get the Ethernet address of the first on-board Ethernet. */
#if defined(ETHADDR)
                cp = ETHADDR;
#else
                cp = yamon_getenv("ethaddr");
#endif
                if (cp != NULL) {
                        for (i = 0; i < ETHER_ADDR_LEN; i++) {
                                ethaddr[i] = strtoul(cp, &cp0, 16);
                                cp = cp0 + 1;
                        }
                        if (aa->aa_addr != MAC0_BASE &&
                            aa->aa_addr != AU1500_MAC0_BASE) {
                                /* XXX
                                 * The PROM has a variable for the MAC address
                                 * of the first interface.  For now, just add
                                 * 0x10 to the second last octet(!) for the
                                 * second interface (Linux does the same).
                                 */
                                ethaddr[4] += 0x10;
                        }
                        if (! device_setprop_data(dev, "mac-address",
                                                  ethaddr,
                                                  sizeof(ethaddr))) {
                                printf("WARNING: unable to set mac-addr "
                                    "property for %s\n", device_xname(dev));
                        }
                }
        }
        if (device_is_a(dev, "atabus")) {
                device_t p1 = device_parent(dev);
                device_t p2 = device_parent(p1);
                device_t p3 = device_parent(p2);

                if (device_is_a(p1, "wdc") &&
                    device_is_a(p2, "pcmcia") &&
                    device_is_a(p3, "aupcmcia")) {
                        struct ata_channel *chp = aux;

                        /* 32-bit transfers are not supported. */
                        chp->ch_atac->atac_cap &= ~ATAC_CAP_DATA32;
                }
        }
}