sys/arch/powerpc/ibm4xx/openbios/openbios.c

   1 /*      $NetBSD: openbios.c,v 1.3 2006/05/05 18:04:42 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: openbios.c,v 1.3 2006/05/05 18:04:42 thorpej 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         prop_number_t pn;
  83         prop_string_t ps;
  84         prop_data_t pd;
  85
  86         /* Initialize board properties database */
  87         board_info_init();
  88
  89         ps = prop_string_create_cstring_nocopy(board_bios.usr_config_ver);
  90         KASSERT(ps != NULL);
  91         if (prop_dictionary_set(board_properties, "user-config-version",
  92                                 ps) == false)
  93                 panic("setting user-config-version");
  94         prop_object_release(ps);
  95
  96         ps = prop_string_create_cstring_nocopy(board_bios.rom_sw_ver);
  97         KASSERT(ps != NULL);
  98         if (prop_dictionary_set(board_properties, "rom-software-version",
  99                                 ps) == false)
 100                 panic("setting rom-software-version");
 101         prop_object_release(ps);
 102
 103         pn = prop_number_create_integer(board_bios.mem_size);
 104         KASSERT(pn != NULL);
 105         if (prop_dictionary_set(board_properties, "mem-size", pn) == false)
 106                 panic("setting mem-size");
 107         prop_object_release(pn);
 108
 109         pd = prop_data_create_data_nocopy(board_bios.mac_address_local,
 110                                           sizeof(board_bios.mac_address_local));
 111         KASSERT(pd != NULL);
 112         if (prop_dictionary_set(board_properties, "emac0-mac-addr",
 113                                 pd) == false)
 114                 panic("setting emac0-mac-addr");
 115         prop_object_release(pd);
 116
 117         pd = prop_data_create_data_nocopy(board_bios.mac_address_pci,
 118                                           sizeof(board_bios.mac_address_pci));
 119         KASSERT(pd != NULL);
 120         if (prop_dictionary_set(board_properties, "sip0-mac-addr",
 121                                 pd) == false)
 122                 panic("setting sip0-mac-addr");
 123         prop_object_release(pd);
 124
 125         pn = prop_number_create_integer(board_bios.processor_speed);
 126         KASSERT(pn != NULL);
 127         if (prop_dictionary_set(board_properties, "processor-frequency",
 128                                 pn) == false)
 129                 panic("setting processor-frequency");
 130         prop_object_release(pn);
 131
 132         pn = prop_number_create_integer(board_bios.plb_speed);
 133         KASSERT(pn != NULL);
 134         if (prop_dictionary_set(board_properties, "plb-frequency", pn) == false)
 135                 panic("setting plb-frequency");
 136         prop_object_release(pn);
 137
 138         pn = prop_number_create_integer(board_bios.pci_speed);
 139         KASSERT(pn != NULL);
 140         if (prop_dictionary_set(board_properties, "pci-frequency", pn) == false)
 141                 panic("setting pci-frequency");
 142         prop_object_release(pn);
 143 }
 144
 145
 146 void
 147 openbios_board_print(void)
 148 {
 149
 150         printf("Board config data:\n");
 151         printf("  usr_config_ver = %s\n", board_bios.usr_config_ver);
 152         printf("  rom_sw_ver = %s\n", board_bios.rom_sw_ver);
 153         printf("  mem_size = %u\n", board_bios.mem_size);
 154         printf("  mac_address_local = %02x:%02x:%02x:%02x:%02x:%02x\n",
 155             board_bios.mac_address_local[0], board_bios.mac_address_local[1],
 156             board_bios.mac_address_local[2], board_bios.mac_address_local[3],
 157             board_bios.mac_address_local[4], board_bios.mac_address_local[5]);
 158         printf("  mac_address_pci = %02x:%02x:%02x:%02x:%02x:%02x\n",
 159             board_bios.mac_address_pci[0], board_bios.mac_address_pci[1],
 160             board_bios.mac_address_pci[2], board_bios.mac_address_pci[3],
 161             board_bios.mac_address_pci[4], board_bios.mac_address_pci[5]);
 162         printf("  processor_speed = %u\n", board_bios.processor_speed);
 163         printf("  plb_speed = %u\n", board_bios.plb_speed);
 164         printf("  pci_speed = %u\n", board_bios.pci_speed);
 165 }