LXR linux/arch/powerpc/boot/cuboot-mpc7448hpc2.c

   1/*
   2 * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved.
   3 *
   4 * Author: Roy Zang <tie-fei.zang@freescale.com>
   5 *
   6 * Description:
   7 * Old U-boot compatibility for mpc7448hpc2 board
   8 * Based on the code of Scott Wood <scottwood@freescale.com>
   9 * for 83xx and 85xx.
  10 *
  11 * This is free software; you can redistribute it and/or modify
  12 * it under the terms of  the GNU General  Public License as published by
  13 * the Free Software Foundation;  either version 2 of the  License, or
  14 * (at your option) any later version.
  15 *
  16 */
  17
  18#include "ops.h"
  19#include "stdio.h"
  20#include "cuboot.h"
  21
  22#define TARGET_HAS_ETH1
  23#include "ppcboot.h"
  24
  25static bd_t bd;
  26extern char _dtb_start[], _dtb_end[];
  27
  28static void platform_fixups(void)
  29{
  30        void *tsi;
  31
  32        dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  33        dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
  34        dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
  35        tsi = find_node_by_devtype(NULL, "tsi-bridge");
  36        if (tsi)
  37                setprop(tsi, "bus-frequency", &bd.bi_busfreq,
  38                        sizeof(bd.bi_busfreq));
  39}
  40
  41void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  42                unsigned long r6, unsigned long r7)
  43{
  44        CUBOOT_INIT();
  45        fdt_init(_dtb_start);
  46        serial_console_init();
  47        platform_ops.fixups = platform_fixups;
  48}
  49