1 /* $NetBSD: openbios.c,v 1.7 2021/03/30 01:50:13 rin Exp $ */ 2 3 /* 4 * Copyright (c) 2004 Shigeyuki Fukushima. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials provided 15 * with the distribution. 16 * 3. The name of the author may not be used to endorse or promote 17 * products derived from this software without specific prior 18 * written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 21 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 26 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: openbios.c,v 1.7 2021/03/30 01:50:13 rin Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/cpu.h> 39 40 #include <powerpc/ibm4xx/cpu.h> 41 #include <powerpc/ibm4xx/openbios.h> 42 43 /* 44 * Board configuration structure from the OpenBIOS. 45 * 46 * Supported (XXX): 47 * IBM/AMCC Walnut PowerPC 405GP Evaluation Board 48 * 405GPr 1.2 ROM Monitor (5/25/02) 49 */ 50 struct board_bios_data { 51 unsigned char usr_config_ver[4]; 52 unsigned char rom_sw_ver[30]; 53 unsigned int mem_size; 54 unsigned char mac_address_local[6]; 55 unsigned char mac_address_pci[6]; 56 unsigned int processor_speed; 57 unsigned int plb_speed; 58 unsigned int pci_speed; 59 }; 60 61 static struct board_bios_data board_bios; 62 63 void 64 openbios_board_init(void *info_block) 65 { 66 67 /* Initialize cache info for memcpy, etc. */ 68 cpu_probe_cache(); 69 70 /* Save info block */ 71 memcpy(&board_bios, info_block, sizeof(board_bios)); 72 } 73 74 unsigned int 75 openbios_board_memsize_get(void) 76 { 77 78 return board_bios.mem_size; 79 } 80 81 void 82 openbios_board_info_set(void) 83 { 84 prop_number_t pn; 85 prop_string_t ps; 86 prop_data_t pd; 87 88 /* Initialize board properties database */ 89 board_info_init(); 90 91 ps = prop_string_create_cstring_nocopy(board_bios.usr_config_ver); 92 KASSERT(ps != NULL); 93 if (prop_dictionary_set(board_properties, "user-config-version", 94 ps) == false) 95 panic("setting user-config-version"); 96 prop_object_release(ps); 97 98 ps = prop_string_create_cstring_nocopy(board_bios.rom_sw_ver); 99 KASSERT(ps != NULL); 100 if (prop_dictionary_set(board_properties, "rom-software-version", 101 ps) == false) 102 panic("setting rom-software-version"); 103 prop_object_release(ps); 104 105 pn = prop_number_create_integer(board_bios.mem_size); 106 KASSERT(pn != NULL); 107 if (prop_dictionary_set(board_properties, "mem-size", pn) == false) 108 panic("setting mem-size"); 109 prop_object_release(pn); 110 111 pd = prop_data_create_data_nocopy(board_bios.mac_address_local, 112 sizeof(board_bios.mac_address_local)); 113 KASSERT(pd != NULL); 114 if (prop_dictionary_set(board_properties, "emac0-mac-addr", 115 pd) == false) 116 panic("setting emac0-mac-addr"); 117 prop_object_release(pd); 118 119 pd = prop_data_create_data_nocopy(board_bios.mac_address_pci, 120 sizeof(board_bios.mac_address_pci)); 121 KASSERT(pd != NULL); 122 if (prop_dictionary_set(board_properties, "sip0-mac-addr", 123 pd) == false) 124 panic("setting sip0-mac-addr"); 125 prop_object_release(pd); 126 127 pn = prop_number_create_integer(board_bios.processor_speed); 128 KASSERT(pn != NULL); 129 if (prop_dictionary_set(board_properties, "processor-frequency", 130 pn) == false) 131 panic("setting processor-frequency"); 132 prop_object_release(pn); 133 134 pn = prop_number_create_integer(board_bios.plb_speed); 135 KASSERT(pn != NULL); 136 if (prop_dictionary_set(board_properties, "plb-frequency", pn) == false) 137 panic("setting plb-frequency"); 138 prop_object_release(pn); 139 140 pn = prop_number_create_integer(board_bios.pci_speed); 141 KASSERT(pn != NULL); 142 if (prop_dictionary_set(board_properties, "pci-frequency", pn) == false) 143 panic("setting pci-frequency"); 144 prop_object_release(pn); 145 } 146 147 void 148 openbios_board_print(void) 149 { 150 151 printf("Board config data:\n"); 152 printf(" usr_config_ver = %s\n", board_bios.usr_config_ver); 153 printf(" rom_sw_ver = %s\n", board_bios.rom_sw_ver); 154 printf(" mem_size = %u\n", board_bios.mem_size); 155 printf(" mac_address_local = %02x:%02x:%02x:%02x:%02x:%02x\n", 156 board_bios.mac_address_local[0], board_bios.mac_address_local[1], 157 board_bios.mac_address_local[2], board_bios.mac_address_local[3], 158 board_bios.mac_address_local[4], board_bios.mac_address_local[5]); 159 printf(" mac_address_pci = %02x:%02x:%02x:%02x:%02x:%02x\n", 160 board_bios.mac_address_pci[0], board_bios.mac_address_pci[1], 161 board_bios.mac_address_pci[2], board_bios.mac_address_pci[3], 162 board_bios.mac_address_pci[4], board_bios.mac_address_pci[5]); 163 printf(" processor_speed = %u\n", board_bios.processor_speed); 164 printf(" plb_speed = %u\n", board_bios.plb_speed); 165 printf(" pci_speed = %u\n", board_bios.pci_speed); 166 } 167
Indexes created Sun Sep 21 20:09:37 GMT 2025