NetBSD/sys/arch/evbmips/alchemy/autoconf.c

/* $NetBSD: autoconf.c,v 1.2 2002/09/11 08:30:48 simonb 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.
 * 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.
 */

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

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

#include <machine/bus.h>
#include <machine/yamon.h>

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

static struct device	*booted_device;
static int		 booted_partition;

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

	intr_init();

	/* Kick off autoconfiguration. */
	(void)splhigh();
	if (config_rootfound("mainbus", "mainbus") == NULL)
		panic("no mainbus found");
	(void)spl0();
}

void
cpu_rootconf(void)
{

	setroot(booted_device, booted_partition);
}

void
device_register(struct device *dev, void *aux)
{
	struct cfdata *cf = dev->dv_cfdata;
	struct cfdriver *cd = cf->cf_driver;
	struct aubus_attach_args *aa = 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 (strcmp(cd->cd_name, "aumac") == 0) {
		uint8_t ethaddr[ETHER_ADDR_LEN];
		char prop_name[sizeof("0xffffffff:mac-addr") + 1];
		const char *cp;
		char *cp0;
		int i;

		/* 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;
			}

			snprintf(prop_name, sizeof(prop_name), "%p:mac-addr",
			    dev);
			if (alchemy_info_set(prop_name, ethaddr,
			    sizeof(ethaddr), 0, 0))
				panic("can't set mac address property for "
				    "aumac");
		}
	}
}