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      1 /* $NetBSD: autoconf.c,v 1.20 2016/02/09 12:48:06 kiyohara 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.20 2016/02/09 12:48:06 kiyohara Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/conf.h>
     38 #include <sys/device.h>
     39 #include <sys/bus.h>
     40 
     41 #include <sys/socket.h>		/* these three just to get ETHER_ADDR_LEN(!) */
     42 #include <net/if.h>
     43 #include <net/if_ether.h>
     44 
     45 #include <machine/yamon.h>
     46 
     47 #include <mips/alchemy/include/aureg.h>
     48 #include <mips/alchemy/include/auvar.h>
     49 #include <mips/alchemy/include/aubusvar.h>
     50 
     51 #include <dev/ata/atavar.h>
     52 
     53 /*
     54  * Configure all devices on system
     55  */
     56 void
     57 cpu_configure(void)
     58 {
     59 
     60 	intr_init();
     61 
     62 	/* Kick off autoconfiguration. */
     63 	(void)splhigh();
     64 	if (config_rootfound("mainbus", NULL) == NULL)
     65 		panic("no mainbus found");
     66 
     67 	/*
     68 	 * Hardware interrupts will be enabled in
     69 	 * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
     70 	 * to avoid hardclock(9) by CPU INT5 before softclockintr is
     71 	 * initialized in initclocks().
     72 	 */
     73 }
     74 
     75 void
     76 cpu_rootconf(void)
     77 {
     78 
     79 	rootconf();
     80 }
     81 
     82 void
     83 device_register(device_t dev, void *aux)
     84 {
     85 	/*
     86 	 * We don't ever know the boot device.  But that's because the
     87 	 * firmware only loads from the network.
     88 	 */
     89 
     90 	/* Fetch the MAC addresses from YAMON. */
     91 	if (device_is_a(dev, "aumac")) {
     92 		struct aubus_attach_args *aa = aux;
     93 		prop_data_t pd;
     94 		const char *cp;
     95 		char *cp0;
     96 		int i;
     97 		uint8_t ethaddr[ETHER_ADDR_LEN];
     98 
     99 		/* Get the Ethernet address of the first on-board Ethernet. */
    100 #if defined(ETHADDR)
    101 		cp = ETHADDR;
    102 #else
    103 		cp = yamon_getenv("ethaddr");
    104 #endif
    105 		if (cp != NULL) {
    106 			for (i = 0; i < ETHER_ADDR_LEN; i++) {
    107 				ethaddr[i] = strtoul(cp, &cp0, 16);
    108 				cp = cp0 + 1;
    109 			}
    110 			if (aa->aa_addr != MAC0_BASE &&
    111 			    aa->aa_addr != AU1500_MAC0_BASE) {
    112 				/* XXX
    113 				 * The PROM has a variable for the MAC address
    114 				 * of the first interface.  For now, just add
    115 				 * 0x10 to the second last octet(!) for the
    116 				 * second interface (Linux does the same).
    117 				 */
    118 				ethaddr[4] += 0x10;
    119 			}
    120 			pd = prop_data_create_data(ethaddr, ETHER_ADDR_LEN);
    121 			KASSERT(pd != NULL);
    122 			if (prop_dictionary_set(device_properties(dev),
    123 						"mac-address", pd) == false) {
    124 				printf("WARNING: unable to set mac-addr "
    125 				    "property for %s\n", device_xname(dev));
    126 			}
    127 			prop_object_release(pd);
    128 		}
    129 	}
    130 	if (device_is_a(dev, "atabus")) {
    131 		device_t p1 = device_parent(dev);
    132 		device_t p2 = device_parent(p1);
    133 		device_t p3 = device_parent(p2);
    134 
    135 		if (device_is_a(p1, "wdc") &&
    136 		    device_is_a(p2, "pcmcia") &&
    137 		    device_is_a(p3, "aupcmcia")) {
    138 			struct ata_channel *chp = aux;
    139 
    140 			/* 32-bit transfers are not supported. */
    141 			chp->ch_atac->atac_cap &= ~ATAC_CAP_DATA32;
    142 		}
    143 	}
    144 }
    145