arch/powerpc/boot/cuboot-hpc2.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
  25 static bd_t bd;
  26 extern char _dtb_start[], _dtb_end[];
  27
  28 static 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
  41 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  42                 unsigned long r6, unsigned long r7)
  43 {
  44         CUBOOT_INIT();
  45         ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
  46         serial_console_init();
  47         platform_ops.fixups = platform_fixups;
  48 }