arch/powerpc/boot/cuboot-8xx.c

   1 /*
   2  * Old U-boot compatibility for 8xx
   3  *
   4  * Author: Scott Wood <scottwood@freescale.com>
   5  *
   6  * Copyright (c) 2007 Freescale Semiconductor, Inc.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License version 2 as published
  10  * by the Free Software Foundation.
  11  */
  12
  13 #include "ops.h"
  14 #include "stdio.h"
  15 #include "cuboot.h"
  16
  17 #define TARGET_8xx
  18 #define TARGET_HAS_ETH1
  19 #include "ppcboot.h"
  20
  21 static bd_t bd;
  22
  23 static void platform_fixups(void)
  24 {
  25         void *node;
  26
  27         dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  28         dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
  29         dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
  30
  31         node = finddevice("/soc/cpm");
  32         if (node)
  33                 setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
  34
  35         node = finddevice("/soc/cpm/brg");
  36         if (node)
  37                 setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
  38 }
  39
  40 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  41                    unsigned long r6, unsigned long r7)
  42 {
  43         CUBOOT_INIT();
  44         ft_init(_dtb_start, _dtb_end - _dtb_start, 32);
  45         serial_console_init();
  46         platform_ops.fixups = platform_fixups;
  47 }