drivers/core/util.c

   1 /*
   2  * Copyright (c) 2013 Google, Inc
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <dm/util.h>
   9 #include <libfdt.h>
  10 #include <vsprintf.h>
  11
  12 #ifdef CONFIG_DM_WARN
  13 void dm_warn(const char *fmt, ...)
  14 {
  15         va_list args;
  16
  17         va_start(args, fmt);
  18         vprintf(fmt, args);
  19         va_end(args);
  20 }
  21 #endif
  22
  23 int list_count_items(struct list_head *head)
  24 {
  25         struct list_head *node;
  26         int count = 0;
  27
  28         list_for_each(node, head)
  29                 count++;
  30
  31         return count;
  32 }
  33
  34 bool dm_fdt_pre_reloc(const void *blob, int offset)
  35 {
  36         if (fdt_getprop(blob, offset, "u-boot,dm-pre-reloc", NULL))
  37                 return true;
  38
  39 #ifdef CONFIG_TPL_BUILD
  40         if (fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL))
  41                 return true;
  42 #elif defined(CONFIG_SPL_BUILD)
  43         if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL))
  44                 return true;
  45 #else
  46         /*
  47          * In regular builds individual spl and tpl handling both
  48          * count as handled pre-relocation for later second init.
  49          */
  50         if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL) ||
  51             fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL))
  52                 return true;
  53 #endif
  54
  55         return false;
  56 }