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/armv7.h> 21 #include <asm/psci.h> 22 23 DECLARE_GLOBAL_DATA_PTR; 24 25 int arch_fixup_fdt(void *blob) 26 { 27 bd_t *bd = gd->bd; 28 int bank, ret; 29 u64 start[CONFIG_NR_DRAM_BANKS]; 30 u64 size[CONFIG_NR_DRAM_BANKS]; 31 32 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 33 start[bank] = bd->bi_dram[bank].start; 34 size[bank] = bd->bi_dram[bank].size; 35 #ifdef CONFIG_ARMV7_NONSEC 36 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 37 if (ret) 38 return ret; 39 #endif 40 } 41 42 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 43 #ifdef CONFIG_ARMV7_NONSEC 44 if (ret) 45 return ret; 46 47 ret = psci_update_dt(blob); 48 #endif 49 return ret; 50 } 51