arch/microblaze/kernel/prom.c

   1 /*
   2  * Procedures for creating, accessing and interpreting the device tree.
   3  *
   4  * Paul Mackerras       August 1996.
   5  * Copyright (C) 1996-2005 Paul Mackerras.
   6  *
   7  *  Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner.
   8  *    {engebret|bergner}@us.ibm.com
   9  *
  10  *      This program is free software; you can redistribute it and/or
  11  *      modify it under the terms of the GNU General Public License
  12  *      as published by the Free Software Foundation; either version
  13  *      2 of the License, or (at your option) any later version.
  14  */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/string.h>
  18 #include <linux/memblock.h>
  19 #include <linux/of_fdt.h>
  20
  21 void __init early_init_devtree(void *params)
  22 {
  23         pr_debug(" -> early_init_devtree(%p)\n", params);
  24
  25         early_init_dt_scan(params);
  26         if (!strlen(boot_command_line))
  27                 strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
  28
  29         memblock_allow_resize();
  30
  31         pr_debug("Phys. mem: %lx\n", (unsigned long) memblock_phys_mem_size());
  32
  33         pr_debug(" <- early_init_devtree()\n");
  34 }