autoconf.c revision 1.3
1/* $NetBSD: autoconf.c,v 1.3 2002/09/26 20:21:14 thorpej Exp $ */ 2 3/*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39#include <sys/param.h> 40#include <sys/systm.h> 41#include <sys/conf.h> 42 43#include <sys/socket.h> /* these three just to get ETHER_ADDR_LEN(!) */ 44#include <net/if.h> 45#include <net/if_ether.h> 46 47#include <machine/bus.h> 48#include <machine/yamon.h> 49 50#include <mips/alchemy/include/aureg.h> 51#include <mips/alchemy/include/auvar.h> 52#include <mips/alchemy/include/aubusvar.h> 53 54static struct device *booted_device; 55static int booted_partition; 56 57/* 58 * Configure all devices on system 59 */ 60void 61cpu_configure(void) 62{ 63 64 intr_init(); 65 66 /* Kick off autoconfiguration. */ 67 (void)splhigh(); 68 if (config_rootfound("mainbus", "mainbus") == NULL) 69 panic("no mainbus found"); 70 (void)spl0(); 71} 72 73void 74cpu_rootconf(void) 75{ 76 77 setroot(booted_device, booted_partition); 78} 79 80void 81device_register(struct device *dev, void *aux) 82{ 83 struct cfdata *cf = dev->dv_cfdata; 84 const char *name = cf->cf_driver->cd_name; 85 struct aubus_attach_args *aa = aux; 86 87 /* 88 * We don't ever know the boot device. But that's because the 89 * firmware only loads from the network. 90 */ 91 92 /* Fetch the MAC addresses from YAMON. */ 93 if (strcmp(name, "aumac") == 0) { 94 uint8_t ethaddr[ETHER_ADDR_LEN]; 95 char prop_name[sizeof("0xffffffff:mac-addr") + 1]; 96 const char *cp; 97 char *cp0; 98 int i; 99 100 /* Get the Ethernet address of the first on-board Ethernet. */ 101#if defined(ETHADDR) 102 cp = ETHADDR; 103#else 104 cp = yamon_getenv("ethaddr"); 105#endif 106 if (cp != NULL) { 107 for (i = 0; i < ETHER_ADDR_LEN; i++) { 108 ethaddr[i] = strtoul(cp, &cp0, 16); 109 cp = cp0 + 1; 110 } 111 if (aa->aa_addr != MAC0_BASE && 112 aa->aa_addr != AU1500_MAC0_BASE) { 113 /* XXX 114 * The PROM has a variable for the MAC address 115 * of the first interface. For now, just add 116 * 0x10 to the second last octet(!) for the 117 * second interface (Linux does the same). 118 */ 119 ethaddr[4] += 0x10; 120 } 121 122 snprintf(prop_name, sizeof(prop_name), "%p:mac-addr", 123 dev); 124 if (alchemy_info_set(prop_name, ethaddr, 125 sizeof(ethaddr), 0, 0)) 126 panic("can't set mac address property for " 127 "aumac"); 128 } 129 } 130} 131