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autoconf.c revision 1.1
      1 /*	$NetBSD: autoconf.c,v 1.1 2015/04/29 08:32:01 hikaru Exp $	*/
      2 
      3 /*
      4  * Copyright 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Simon Burge for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.1 2015/04/29 08:32:01 hikaru Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/buf.h>
     44 #include <sys/conf.h>
     45 #include <sys/device.h>
     46 
     47 #include <net/if_ether.h>
     48 
     49 #include <machine/cpu.h>
     50 
     51 #include <evbmips/cavium/octeon_uboot.h>
     52 
     53 static void	findroot(void);
     54 
     55 void
     56 cpu_configure(void)
     57 {
     58 
     59 	intr_init();
     60 
     61 	/* Kick off autoconfiguration. */
     62 	(void)splhigh();
     63 	if (config_rootfound("mainbus", NULL) == NULL)
     64 		panic("no mainbus found");
     65 
     66 	/* XXX need this? */
     67 	(void)spl0();
     68 }
     69 
     70 void
     71 cpu_rootconf(void)
     72 {
     73 	findroot();
     74 
     75 	printf("boot device: %s\n",
     76 		booted_device ? booted_device->dv_xname : "<unknown>");
     77 
     78 	rootconf();
     79 }
     80 
     81 extern char	bootstring[];
     82 extern int	netboot;
     83 
     84 static void
     85 findroot(void)
     86 {
     87 	device_t dv;
     88 	deviter_t di;
     89 
     90 	if (booted_device)
     91 		return;
     92 
     93 	if ((booted_device == NULL) && netboot == 0) {
     94 		for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
     95 		     dv = deviter_next(&di)) {
     96 			if (device_class(dv) == DV_DISK &&
     97 			    device_is_a(dv, "wd"))
     98 				    booted_device = dv;
     99 		}
    100 		deviter_release(&di);
    101 	}
    102 
    103 	/*
    104 	 * XXX Match up MBR boot specification with BSD disklabel for root?
    105 	 */
    106 	booted_partition = 0;
    107 
    108 	return;
    109 }
    110 
    111 static void
    112 prop_set_cnmac(device_t dev)
    113 {
    114 	prop_dictionary_t dict = device_properties(dev);
    115 	prop_data_t pd;
    116 	prop_number_t pn;
    117 	uint8_t enaddr[ETHER_ADDR_LEN];
    118 	uint32_t mac_lo;
    119 	int unit = device_unit(dev);
    120 
    121 	/* ethernet mac address */
    122 	memcpy(enaddr, octeon_btinfo.obt_mac_addr_base,
    123 	    sizeof(enaddr));
    124 	mac_lo = enaddr[3] << 16;
    125 	mac_lo += enaddr[4] << 8;
    126 	mac_lo += enaddr[5];
    127 	KASSERT(unit < octeon_btinfo.obt_mac_addr_count);
    128 	mac_lo += unit;
    129 	enaddr[3] = (mac_lo >> 16) & 0xff;
    130 	enaddr[4] = (mac_lo >> 8) & 0xff;
    131 	enaddr[5] = mac_lo & 0xff;
    132 	pd = prop_data_create_data(enaddr, ETHER_ADDR_LEN);
    133 	KASSERT(pd != NULL);
    134 	prop_dictionary_set_and_rel(dict, "mac-address", pd);
    135 
    136 	/* ethernet phy adddress */
    137 	switch (octeon_btinfo.obt_board_type) {
    138 	case BOARD_TYPE_UBIQUITI_E100:
    139 		pn = prop_number_create_integer(0x07 - unit);
    140 		break;
    141 	default:
    142 		pn = prop_number_create_integer(-1);
    143 		break;
    144 	}
    145 	KASSERT(pn != NULL);
    146 	prop_dictionary_set_and_rel(dict, "phy-addr", pn);
    147 }
    148 
    149 static void
    150 prop_set_octeon_gmx(device_t dev)
    151 {
    152 	prop_dictionary_t dict = device_properties(dev);
    153 	prop_number_t tx, rx;
    154 
    155 	/* ethernet rgmii phy dependent timing parameter. */
    156 	switch (octeon_btinfo.obt_board_type) {
    157 	case BOARD_TYPE_UBIQUITI_E100:
    158 		tx = prop_number_create_integer(16);
    159 		rx = prop_number_create_integer(0);
    160 		break;
    161 	default:
    162 		tx = prop_number_create_integer(0);
    163 		rx = prop_number_create_integer(0);
    164 		break;
    165 	}
    166 	KASSERT(tx != NULL);
    167 	KASSERT(rx != NULL);
    168 	prop_dictionary_set_and_rel(dict, "rgmii-tx", tx);
    169 	prop_dictionary_set_and_rel(dict, "rgmii-rx", rx);
    170 }
    171 
    172 void
    173 device_register(device_t dev, void *aux)
    174 {
    175 	if ((booted_device == NULL) && (netboot == 1))
    176 		if (device_class(dev) == DV_IFNET)
    177 			booted_device = dev;
    178 
    179 	if (device_is_a(dev, "cnmac")) {
    180 		prop_set_cnmac(dev);
    181 	} else if (device_is_a(dev, "octeon_gmx")) {
    182 		prop_set_octeon_gmx(dev);
    183 	}
    184 }
    185