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 25 DECLARE_GLOBAL_DATA_PTR; 26 27 int arch_fixup_fdt(void *blob) 28 { 29 bd_t *bd = gd->bd; 30 int bank, ret; 31 u64 start[CONFIG_NR_DRAM_BANKS]; 32 u64 size[CONFIG_NR_DRAM_BANKS]; 33 34 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 35 start[bank] = bd->bi_dram[bank].start; 36 size[bank] = bd->bi_dram[bank].size; 37 #ifdef CONFIG_ARMV7_NONSEC 38 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 39 if (ret) 40 return ret; 41 #endif 42 } 43 44 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 45 if (ret) 46 return ret; 47 48 #ifdef CONFIG_ARMV7_NONSEC 49 ret = psci_update_dt(blob); 50 if (ret) 51 return ret; 52 #endif 53 54 return 0; 55 } 56