/*      $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);
}