arch/microblaze/kernel/prom.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Procedures for creating, accessing and interpreting the device tree.
   4  *
   5  * Paul Mackerras       August 1996.
   6  * Copyright (C) 1996-2005 Paul Mackerras.
   7  *
   8  *  Adapted for 64bit PowerPC by Dave Engebretsen and Peter Bergner.
   9  *    {engebret|bergner}@us.ibm.com
  10  */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/string.h>
  14 #include <linux/memblock.h>
  15 #include <linux/of_fdt.h>
  16
  17 void __init early_init_devtree(void *params)
  18 {
  19         pr_debug(" -> early_init_devtree(%p)\n", params);
  20
  21         early_init_dt_scan(params);
  22         if (!strlen(boot_command_line))
  23                 strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
  24
  25         memblock_allow_resize();
  26
  27         pr_debug("Phys. mem: %lx\n", (unsigned long) memblock_phys_mem_size());
  28
  29         pr_debug(" <- early_init_devtree()\n");
  30 }