/* $NetBSD: openbios.c,v 1.7 2021/03/30 01:50:13 rin Exp $ */
/*
* Copyright (c) 2004 Shigeyuki Fukushima.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: openbios.c,v 1.7 2021/03/30 01:50:13 rin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/cpu.h>
#include <powerpc/ibm4xx/cpu.h>
#include <powerpc/ibm4xx/openbios.h>
/*
* Board configuration structure from the OpenBIOS.
*
* Supported (XXX):
* IBM/AMCC Walnut PowerPC 405GP Evaluation Board
* 405GPr 1.2 ROM Monitor (5/25/02)
*/
struct board_bios_data {
unsigned char usr_config_ver[4];
unsigned char rom_sw_ver[30];
unsigned int mem_size;
unsigned char mac_address_local[6];
unsigned char mac_address_pci[6];
unsigned int processor_speed;
unsigned int plb_speed;
unsigned int pci_speed;
};
static struct board_bios_data board_bios;
void
openbios_board_init(void *info_block)
{
/* Initialize cache info for memcpy, etc. */
cpu_probe_cache();
/* Save info block */
memcpy(&board_bios, info_block, sizeof(board_bios));
}
unsigned int
openbios_board_memsize_get(void)
{
return board_bios.mem_size;
}
void
openbios_board_info_set(void)
{
prop_number_t pn;
prop_string_t ps;
prop_data_t pd;
/* Initialize board properties database */
board_info_init();
ps = prop_string_create_cstring_nocopy(board_bios.usr_config_ver);
KASSERT(ps != NULL);
if (prop_dictionary_set(board_properties, "user-config-version",
ps) == false)
panic("setting user-config-version");
prop_object_release(ps);
ps = prop_string_create_cstring_nocopy(board_bios.rom_sw_ver);
KASSERT(ps != NULL);
if (prop_dictionary_set(board_properties, "rom-software-version",
ps) == false)
panic("setting rom-software-version");
prop_object_release(ps);
pn = prop_number_create_integer(board_bios.mem_size);
KASSERT(pn != NULL);
if (prop_dictionary_set(board_properties, "mem-size", pn) == false)
panic("setting mem-size");
prop_object_release(pn);
pd = prop_data_create_data_nocopy(board_bios.mac_address_local,
sizeof(board_bios.mac_address_local));
KASSERT(pd != NULL);
if (prop_dictionary_set(board_properties, "emac0-mac-addr",
pd) == false)
panic("setting emac0-mac-addr");
prop_object_release(pd);
pd = prop_data_create_data_nocopy(board_bios.mac_address_pci,
sizeof(board_bios.mac_address_pci));
KASSERT(pd != NULL);
if (prop_dictionary_set(board_properties, "sip0-mac-addr",
pd) == false)
panic("setting sip0-mac-addr");
prop_object_release(pd);
pn = prop_number_create_integer(board_bios.processor_speed);
KASSERT(pn != NULL);
if (prop_dictionary_set(board_properties, "processor-frequency",
pn) == false)
panic("setting processor-frequency");
prop_object_release(pn);
pn = prop_number_create_integer(board_bios.plb_speed);
KASSERT(pn != NULL);
if (prop_dictionary_set(board_properties, "plb-frequency", pn) == false)
panic("setting plb-frequency");
prop_object_release(pn);
pn = prop_number_create_integer(board_bios.pci_speed);
KASSERT(pn != NULL);
if (prop_dictionary_set(board_properties, "pci-frequency", pn) == false)
panic("setting pci-frequency");
prop_object_release(pn);
}
void
openbios_board_print(void)
{
printf("Board config data:\n");
printf(" usr_config_ver = %s\n", board_bios.usr_config_ver);
printf(" rom_sw_ver = %s\n", board_bios.rom_sw_ver);
printf(" mem_size = %u\n", board_bios.mem_size);
printf(" mac_address_local = %02x:%02x:%02x:%02x:%02x:%02x\n",
board_bios.mac_address_local[0], board_bios.mac_address_local[1],
board_bios.mac_address_local[2], board_bios.mac_address_local[3],
board_bios.mac_address_local[4], board_bios.mac_address_local[5]);
printf(" mac_address_pci = %02x:%02x:%02x:%02x:%02x:%02x\n",
board_bios.mac_address_pci[0], board_bios.mac_address_pci[1],
board_bios.mac_address_pci[2], board_bios.mac_address_pci[3],
board_bios.mac_address_pci[4], board_bios.mac_address_pci[5]);
printf(" processor_speed = %u\n", board_bios.processor_speed);
printf(" plb_speed = %u\n", board_bios.plb_speed);
printf(" pci_speed = %u\n", board_bios.pci_speed);
}
