1 /* $NetBSD: century_bios.c,v 1.4 2007/02/22 05:27:47 thorpej 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: century_bios.c,v 1.4 2007/02/22 05:27:47 thorpej Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 39 #include <machine/cpu.h> 40 #include <machine/century_bios.h> 41 42 /* 43 * OpenBlockS S/R Board configuration structure. 44 * 45 * IBM405GP Monitor (Ver. 1.8, REV-01 H/W) 46 * Century Version (MA-300) (Oct. 30, 2001) 47 */ 48 struct board_bios_data { 49 unsigned char mac_address_local[6]; 50 unsigned char boot_mode; 51 unsigned char mem_size; /* MB */ 52 }; 53 54 static struct board_bios_data board_bios; 55 static unsigned int board_mem_size; 56 static unsigned int board_cpu_speed; 57 static unsigned int board_plb_speed; 58 static unsigned int board_pci_speed; 59 60 void 61 bios_board_init(void *info_block, u_int sysclk_base) 62 { 63 64 /* Initialize cache info for memcpy, etc. */ 65 cpu_probe_cache(); 66 67 /* Save info block */ 68 memcpy(&board_bios, info_block, sizeof(board_bios)); 69 board_mem_size = board_bios.mem_size * 1024 * 1024; 70 71 board_cpu_speed = 0x0bebc200; 72 board_plb_speed = 0x05f5e100; 73 board_pci_speed = 0x01f78a40; 74 } 75 76 unsigned int 77 bios_board_memsize_get(void) 78 { 79 return board_mem_size; 80 } 81 82 void 83 bios_board_info_set(void) 84 { 85 prop_number_t pn; 86 prop_data_t pd; 87 88 /* Initialize board properties dictionary */ 89 board_info_init(); 90 91 pn = prop_number_create_integer(board_mem_size); 92 KASSERT(pn != NULL); 93 if (prop_dictionary_set(board_properties, "mem-size", pn) == false) 94 panic("setting mem-size"); 95 prop_object_release(pn); 96 97 pd = prop_data_create_data_nocopy(board_bios.mac_address_local, 98 sizeof(board_bios.mac_address_local)); 99 KASSERT(pd != NULL); 100 if (prop_dictionary_set(board_properties, "emac0-mac-addr", 101 pd) == false) 102 panic("setting emac0-mac-addr"); 103 prop_object_release(pd); 104 105 pn = prop_number_create_integer(board_cpu_speed); 106 KASSERT(pn != NULL); 107 if (prop_dictionary_set(board_properties, "processor-frequency", 108 pn) == false) 109 panic("setting processor-frequency"); 110 prop_object_release(pn); 111 112 pn = prop_number_create_integer(board_plb_speed); 113 KASSERT(pn != NULL); 114 if (prop_dictionary_set(board_properties, "plb-frequency", pn) == false) 115 panic("setting plb-frequency"); 116 prop_object_release(pn); 117 118 pn = prop_number_create_integer(board_pci_speed); 119 KASSERT(pn != NULL); 120 if (prop_dictionary_set(board_properties, "pci-frequency", pn) == false) 121 panic("setting pci-frequency"); 122 prop_object_release(pn); 123 } 124 125 126 void 127 bios_board_print(void) 128 { 129 130 printf("Board config data:\n"); 131 printf(" mem_size = %u\n", board_mem_size); 132 printf(" mac_address_local = %02x:%02x:%02x:%02x:%02x:%02x\n", 133 board_bios.mac_address_local[0], board_bios.mac_address_local[1], 134 board_bios.mac_address_local[2], board_bios.mac_address_local[3], 135 board_bios.mac_address_local[4], board_bios.mac_address_local[5]); 136 printf(" processor_speed = %u\n", board_cpu_speed); 137 printf(" plb_speed = %u\n", board_plb_speed); 138 printf(" pci_speed = %u\n", board_pci_speed); 139 } 140