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#ifdef CONFIG_ARMV7_NONSEC 21#include <asm/armv7.h> 22#endif 23#include <asm/psci.h> 24#include <asm/spin_table.h> 25 26DECLARE_GLOBAL_DATA_PTR; 27 28#ifdef CONFIG_ARCH_FIXUP_FDT 29int arch_fixup_fdt(void *blob) 30{ 31 bd_t *bd = gd->bd; 32 int bank, ret; 33 u64 start[CONFIG_NR_DRAM_BANKS]; 34 u64 size[CONFIG_NR_DRAM_BANKS]; 35 36 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 37 start[bank] = bd->bi_dram[bank].start; 38 size[bank] = bd->bi_dram[bank].size; 39#ifdef CONFIG_ARMV7_NONSEC 40 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 41 if (ret) 42 return ret; 43#endif 44 } 45 46 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 47 if (ret) 48 return ret; 49 50#ifdef CONFIG_ARMV8_SPIN_TABLE 51 ret = spin_table_update_dt(blob); 52 if (ret) 53 return ret; 54#endif 55 56#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) 57 ret = psci_update_dt(blob); 58 if (ret) 59 return ret; 60#endif 61 62 return 0; 63} 64#endif 65