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cuboot-85xx.c

/*
 * Old U-boot compatibility for 85xx
 *
 * 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_85xx
#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_address_by_alias("ethernet0", bd.bi_enetaddr);
      dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
      dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
      dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, 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();
      fdt_init(_dtb_start);
      serial_console_init();
      platform_ops.fixups = platform_fixups;
}

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