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openbios.c revision 1.1 
      1 /*	$NetBSD: openbios.c,v 1.1 2005/01/17 16:23:27 shige 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 1.1 2005/01/17 16:23:27 shige Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 
     39 #include <machine/cpu.h>
     40 
     41 #include <powerpc/ibm4xx/openbios.h>
     42 
     43 /*
     44  * Board configuration structure from the OpenBIOS.
     45  *
     46  * Supported (XXX):
     47  *    405GPr 1.2 ROM Monitor (5/25/02)
     48  */
     49 struct board_bios_data {
     50 	unsigned char	usr_config_ver[4];
     51 	unsigned char	rom_sw_ver[30];
     52 	unsigned int	mem_size;
     53 	unsigned char	mac_address_local[6];
     54 	unsigned char	mac_address_pci[6];
     55 	unsigned int	processor_speed;
     56 	unsigned int	plb_speed;
     57 	unsigned int	pci_speed;
     58 };
     59 
     60 static struct board_bios_data board_bios;
     61 
     62 void
     63 openbios_board_init(void *info_block, u_int startkernel)
     64 {
     65 
     66         /* Initialize cache info for memcpy, etc. */
     67         cpu_probe_cache();
     68 
     69 	/* Save info block */
     70 	memcpy(&board_bios, info_block, sizeof(board_bios));
     71 }
     72 
     73 unsigned int
     74 openbios_board_memsize_get(void)
     75 {
     76 	return board_bios.mem_size;
     77 }
     78 
     79 void
     80 openbios_board_info_set(void)
     81 {
     82 
     83 
     84 	/* Initialize board properties database */
     85 	board_info_init();
     86 
     87 	if (board_info_set("user-config-version",
     88 		&board_bios.usr_config_ver,
     89 		sizeof(board_bios.usr_config_ver), PROP_CONST, 0))
     90 		panic("setting user-config-version");
     91 
     92 	if (board_info_set("rom-software-version",
     93 		&board_bios.rom_sw_ver,
     94 		sizeof(board_bios.rom_sw_ver), PROP_CONST, 0))
     95 		panic("setting rom-software-version");
     96 
     97 	if (board_info_set("mem-size",
     98 		&board_bios.mem_size,
     99 		sizeof(board_bios.mem_size), PROP_CONST, 0))
    100 		panic("setting mem-size");
    101 
    102 	if (board_info_set("emac0-mac-addr",
    103 		&board_bios.mac_address_local,
    104 		sizeof(board_bios.mac_address_local), PROP_CONST, 0))
    105 		panic("setting emac0-mac-addr");
    106 
    107 	if (board_info_set("sip0-mac-addr",
    108 		&board_bios.mac_address_pci,
    109 		sizeof(board_bios.mac_address_pci), PROP_CONST, 0))
    110 		panic("setting sip0-mac-addr");
    111 
    112 	if (board_info_set("processor-frequency",
    113 		&board_bios.processor_speed,
    114 		sizeof(board_bios.processor_speed), PROP_CONST, 0))
    115 		panic("setting processor-frequency");
    116 
    117 	if (board_info_set("plb-frequency",
    118 		&board_bios.plb_speed,
    119 		sizeof(board_bios.plb_speed), PROP_CONST, 0))
    120 		panic("setting plb-frequency");
    121 
    122 	if (board_info_set("pci-frequency",
    123 		&board_bios.pci_speed,
    124 		sizeof(board_bios.pci_speed), PROP_CONST, 0))
    125 		panic("setting pci-frequency");
    126 }
    127 
    128 
    129 void
    130 openbios_board_print(void)
    131 {
    132 
    133 	printf("Board config data:\n");
    134 	printf("  usr_config_ver = %s\n", board_bios.usr_config_ver);
    135 	printf("  rom_sw_ver = %s\n", board_bios.rom_sw_ver);
    136 	printf("  mem_size = %u\n", board_bios.mem_size);
    137 	printf("  mac_address_local = %02x:%02x:%02x:%02x:%02x:%02x\n",
    138 	    board_bios.mac_address_local[0], board_bios.mac_address_local[1],
    139 	    board_bios.mac_address_local[2], board_bios.mac_address_local[3],
    140 	    board_bios.mac_address_local[4], board_bios.mac_address_local[5]);
    141 	printf("  mac_address_pci = %02x:%02x:%02x:%02x:%02x:%02x\n",
    142 	    board_bios.mac_address_pci[0], board_bios.mac_address_pci[1],
    143 	    board_bios.mac_address_pci[2], board_bios.mac_address_pci[3],
    144 	    board_bios.mac_address_pci[4], board_bios.mac_address_pci[5]);
    145 	printf("  processor_speed = %u\n", board_bios.processor_speed);
    146 	printf("  plb_speed = %u\n", board_bios.plb_speed);
    147 	printf("  pci_speed = %u\n", board_bios.pci_speed);
    148 }
    149