/* $NetBSD: century_bios.c,v 1.5 2011/06/18 06:44:26 matt 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: century_bios.c,v 1.5 2011/06/18 06:44:26 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/cpu.h>
#include <powerpc/ibm4xx/cpu.h>
#include <machine/century_bios.h>
/*
* OpenBlockS S/R Board configuration structure.
*
* IBM405GP Monitor (Ver. 1.8, REV-01 H/W)
* Century Version (MA-300) (Oct. 30, 2001)
*/
struct board_bios_data {
unsigned char mac_address_local[6];
unsigned char boot_mode;
unsigned char mem_size; /* MB */
};
static struct board_bios_data board_bios;
static unsigned int board_mem_size;
static unsigned int board_cpu_speed;
static unsigned int board_plb_speed;
static unsigned int board_pci_speed;
void
bios_board_init(void *info_block, u_int sysclk_base)
{
/* Initialize cache info for memcpy, etc. */
cpu_probe_cache();
/* Save info block */
memcpy(&board_bios, info_block, sizeof(board_bios));
board_mem_size = board_bios.mem_size * 1024 * 1024;
board_cpu_speed = 0x0bebc200;
board_plb_speed = 0x05f5e100;
board_pci_speed = 0x01f78a40;
}
unsigned int
bios_board_memsize_get(void)
{
return board_mem_size;
}
void
bios_board_info_set(void)
{
prop_number_t pn;
prop_data_t pd;
/* Initialize board properties dictionary */
board_info_init();
pn = prop_number_create_integer(board_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);
pn = prop_number_create_integer(board_cpu_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_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_pci_speed);
KASSERT(pn != NULL);
if (prop_dictionary_set(board_properties, "pci-frequency", pn) == false)
panic("setting pci-frequency");
prop_object_release(pn);
}
void
bios_board_print(void)
{
printf("Board config data:\n");
printf(" mem_size = %u\n", board_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(" processor_speed = %u\n", board_cpu_speed);
printf(" plb_speed = %u\n", board_plb_speed);
printf(" pci_speed = %u\n", board_pci_speed);
}