Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * Old U-boot compatibility for 83xx

 *

 * Author: Scott Wood <scottwood@freescale.com>

 *

 * 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_83xx

#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, bd.bi_enet1addr);

        dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);

        /* Unfortunately, the specific model number is encoded in the

         * soc node name in existing dts files -- once that is fixed,

         * this can do a simple path lookup.

         */

        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();

        ft_init(_dtb_start, _dtb_end - _dtb_start, 32);

        serial_console_init();

        platform_ops.fixups = platform_fixups;

}