LXR linux/arch/powerpc/boot/cuboot-824x.c

   1/*
   2 * Old U-boot compatibility for 824x
   3 *
   4 * Copyright (c) 2007 Freescale Semiconductor, Inc.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms of the GNU General Public License version 2 as published
   8 * by the Free Software Foundation.
   9 */
  10
  11#include "ops.h"
  12#include "stdio.h"
  13#include "cuboot.h"
  14
  15#define TARGET_824x
  16#include "ppcboot.h"
  17
  18static bd_t bd;
  19
  20
  21static void platform_fixups(void)
  22{
  23        void *soc;
  24
  25        dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  26        dt_fixup_mac_addresses(bd.bi_enetaddr);
  27        dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
  28
  29        soc = find_node_by_devtype(NULL, "soc");
  30        if (soc) {
  31                void *serial = NULL;
  32
  33                setprop(soc, "bus-frequency", &bd.bi_busfreq,
  34                        sizeof(bd.bi_busfreq));
  35
  36                while ((serial = find_node_by_devtype(serial, "serial"))) {
  37                        if (get_parent(serial) != soc)
  38                                continue;
  39
  40                        setprop(serial, "clock-frequency", &bd.bi_busfreq,
  41                                sizeof(bd.bi_busfreq));
  42                }
  43        }
  44}
  45
  46void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  47                   unsigned long r6, unsigned long r7)
  48{
  49        CUBOOT_INIT();
  50        fdt_init(_dtb_start);
  51        serial_console_init();
  52        platform_ops.fixups = platform_fixups;
  53}
  54