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 26 DECLARE_GLOBAL_DATA_PTR; 27 28 int arch_fixup_fdt(void *blob) 29 { 30 bd_t *bd = gd->bd; 31 int bank, ret; 32 u64 start[CONFIG_NR_DRAM_BANKS]; 33 u64 size[CONFIG_NR_DRAM_BANKS]; 34 35 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 36 start[bank] = bd->bi_dram[bank].start; 37 size[bank] = bd->bi_dram[bank].size; 38 #ifdef CONFIG_ARMV7_NONSEC 39 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 40 if (ret) 41 return ret; 42 #endif 43 } 44 45 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 46 if (ret) 47 return ret; 48 49 #ifdef CONFIG_ARMV8_SPIN_TABLE 50 ret = spin_table_update_dt(blob); 51 if (ret) 52 return ret; 53 #endif 54 55 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 56 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 57 ret = psci_update_dt(blob); 58 if (ret) 59 return ret; 60 #endif 61 62 return 0; 63 } 64