cuboot-824x.c

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/*
 * Old U-boot compatibility for 824x
 *
 * Copyright (c) 2007 Freescale Semiconductor, Inc.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 */

#include "ops.h"
#include "stdio.h"
#include "cuboot.h"

#define TARGET_824x
#include "ppcboot.h"

static bd_t bd;


static void platform_fixups(void)
{
    void *soc;

    dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
    dt_fixup_mac_addresses(bd.bi_enetaddr);
    dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);

    soc = find_node_by_devtype(NULL, "soc");
    if (soc) {
        void *serial = NULL;

        setprop(soc, "bus-frequency", &bd.bi_busfreq,
                sizeof(bd.bi_busfreq));

        while ((serial = find_node_by_devtype(serial, "serial"))) {
            if (get_parent(serial) != soc)
                continue;

            setprop(serial, "clock-frequency", &bd.bi_busfreq,
                    sizeof(bd.bi_busfreq));
        }
    }
}

void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
                   unsigned long r6, unsigned long r7)
{
    CUBOOT_INIT();
    fdt_init(_dtb_start);
    serial_console_init();
    platform_ops.fixups = platform_fixups;
}