autoconf.c revision 1.3
1 /* $NetBSD: autoconf.c,v 1.3 2015/06/06 22:23:31 matt 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 1.3 2015/06/06 22:23:31 matt 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 <mips/cpu.h> 50 #include <mips/locore.h> 51 52 #include <evbmips/cavium/octeon_uboot.h> 53 54 static void findroot(void); 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 /* XXX need this? */ 68 (void)spl0(); 69 KDASSERT(mips_cp0_status_read() & MIPS_SR_INT_IE); 70 } 71 72 void 73 cpu_rootconf(void) 74 { 75 findroot(); 76 77 printf("boot device: %s\n", 78 booted_device ? booted_device->dv_xname : "<unknown>"); 79 80 rootconf(); 81 } 82 83 extern char bootstring[]; 84 extern int netboot; 85 86 static void 87 findroot(void) 88 { 89 device_t dv; 90 deviter_t di; 91 92 if (booted_device) 93 return; 94 95 if ((booted_device == NULL) && netboot == 0) { 96 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL; 97 dv = deviter_next(&di)) { 98 if (device_class(dv) == DV_DISK && 99 device_is_a(dv, "sd")) 100 booted_device = dv; 101 } 102 deviter_release(&di); 103 } 104 105 /* 106 * XXX Match up MBR boot specification with BSD disklabel for root? 107 */ 108 booted_partition = 0; 109 110 return; 111 } 112 113 static void 114 prop_set_cnmac(device_t dev) 115 { 116 prop_dictionary_t dict = device_properties(dev); 117 prop_data_t pd; 118 prop_number_t pn; 119 uint8_t enaddr[ETHER_ADDR_LEN]; 120 uint32_t mac_lo; 121 int unit = device_unit(dev); 122 123 /* ethernet mac address */ 124 memcpy(enaddr, octeon_btinfo.obt_mac_addr_base, 125 sizeof(enaddr)); 126 mac_lo = enaddr[3] << 16; 127 mac_lo += enaddr[4] << 8; 128 mac_lo += enaddr[5]; 129 KASSERT(unit < octeon_btinfo.obt_mac_addr_count); 130 mac_lo += unit; 131 enaddr[3] = (mac_lo >> 16) & 0xff; 132 enaddr[4] = (mac_lo >> 8) & 0xff; 133 enaddr[5] = mac_lo & 0xff; 134 pd = prop_data_create_data(enaddr, ETHER_ADDR_LEN); 135 KASSERT(pd != NULL); 136 prop_dictionary_set_and_rel(dict, "mac-address", pd); 137 138 /* ethernet phy adddress */ 139 switch (octeon_btinfo.obt_board_type) { 140 case BOARD_TYPE_UBIQUITI_E100: 141 pn = prop_number_create_integer(0x07 - unit); 142 break; 143 default: 144 pn = prop_number_create_integer(-1); 145 break; 146 } 147 KASSERT(pn != NULL); 148 prop_dictionary_set_and_rel(dict, "phy-addr", pn); 149 } 150 151 static void 152 prop_set_octeon_gmx(device_t dev) 153 { 154 prop_dictionary_t dict = device_properties(dev); 155 prop_number_t tx, rx; 156 157 /* ethernet rgmii phy dependent timing parameter. */ 158 switch (octeon_btinfo.obt_board_type) { 159 case BOARD_TYPE_UBIQUITI_E100: 160 tx = prop_number_create_integer(16); 161 rx = prop_number_create_integer(0); 162 break; 163 default: 164 tx = prop_number_create_integer(0); 165 rx = prop_number_create_integer(0); 166 break; 167 } 168 KASSERT(tx != NULL); 169 KASSERT(rx != NULL); 170 prop_dictionary_set_and_rel(dict, "rgmii-tx", tx); 171 prop_dictionary_set_and_rel(dict, "rgmii-rx", rx); 172 } 173 174 void 175 device_register(device_t dev, void *aux) 176 { 177 if ((booted_device == NULL) && (netboot == 1)) 178 if (device_class(dev) == DV_IFNET) 179 booted_device = dev; 180 181 if (device_is_a(dev, "cnmac")) { 182 prop_set_cnmac(dev); 183 } else if (device_is_a(dev, "octeon_gmx")) { 184 prop_set_octeon_gmx(dev); 185 } 186 } 187
Indexes created Mon Sep 29 21:09:56 GMT 2025