LXR uboot/arch/arm/lib/bootm-fdt.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (c) 2013, Google Inc.
   4 *
   5 * Copyright (C) 2011
   6 * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
   7 *  - Added prep subcommand support
   8 *  - Reorganized source - modeled after powerpc version
   9 *
  10 * (C) Copyright 2002
  11 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  12 * Marius Groeger <mgroeger@sysgo.de>
  13 *
  14 * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
  15 */
  16
  17#include <common.h>
  18#include <fdt_support.h>
  19#ifdef CONFIG_ARMV7_NONSEC
  20#include <asm/armv7.h>
  21#endif
  22#include <asm/psci.h>
  23#include <asm/spin_table.h>
  24
  25DECLARE_GLOBAL_DATA_PTR;
  26
  27#ifdef CONFIG_FMAN_ENET
  28__weak int fdt_update_ethernet_dt(void *blob)
  29{
  30        return 0;
  31}
  32#endif
  33
  34int arch_fixup_fdt(void *blob)
  35{
  36        __maybe_unused int ret = 0;
  37#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT)
  38        bd_t *bd = gd->bd;
  39        int bank;
  40        u64 start[CONFIG_NR_DRAM_BANKS];
  41        u64 size[CONFIG_NR_DRAM_BANKS];
  42
  43        for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
  44                start[bank] = bd->bi_dram[bank].start;
  45                size[bank] = bd->bi_dram[bank].size;
  46#ifdef CONFIG_ARMV7_NONSEC
  47                ret = armv7_apply_memory_carveout(&start[bank], &size[bank]);
  48                if (ret)
  49                        return ret;
  50#endif
  51        }
  52
  53#ifdef CONFIG_OF_LIBFDT
  54        ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS);
  55        if (ret)
  56                return ret;
  57#endif
  58
  59#ifdef CONFIG_ARMV8_SPIN_TABLE
  60        ret = spin_table_update_dt(blob);
  61        if (ret)
  62                return ret;
  63#endif
  64
  65#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \
  66        defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI)
  67        ret = psci_update_dt(blob);
  68        if (ret)
  69                return ret;
  70#endif
  71#endif
  72
  73#ifdef CONFIG_FMAN_ENET
  74        ret = fdt_update_ethernet_dt(blob);
  75        if (ret)
  76                return ret;
  77#endif
  78        return 0;
  79}
  80