arch/arm/lib/bootm-fdt.c

   1 /*
   2  * Copyright (c) 2013, Google Inc.
   3  *
   4  * Copyright (C) 2011
   5  * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
   6  *  - Added prep subcommand support
   7  *  - Reorganized source - modeled after powerpc version
   8  *
   9  * (C) Copyright 2002
  10  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  11  * Marius Groeger <mgroeger@sysgo.de>
  12  *
  13  * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
  14  *
  15  * SPDX-License-Identifier:     GPL-2.0+
  16  */
  17
  18 #include <common.h>
  19 #include <fdt_support.h>
  20 #include <asm/psci.h>
  21
  22 DECLARE_GLOBAL_DATA_PTR;
  23
  24 int arch_fixup_fdt(void *blob)
  25 {
  26         bd_t *bd = gd->bd;
  27         int bank, ret;
  28         u64 start[CONFIG_NR_DRAM_BANKS];
  29         u64 size[CONFIG_NR_DRAM_BANKS];
  30
  31         for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
  32                 start[bank] = bd->bi_dram[bank].start;
  33                 size[bank] = bd->bi_dram[bank].size;
  34         }
  35
  36         ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
  37 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
  38         if (ret)
  39                 return ret;
  40
  41         ret = psci_update_dt(blob);
  42 #endif
  43         return ret;
  44 }