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 int ret = 0; 31 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT) 32 bd_t *bd = gd->bd; 33 int bank; 34 u64 start[CONFIG_NR_DRAM_BANKS]; 35 u64 size[CONFIG_NR_DRAM_BANKS]; 36 37 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 38 start[bank] = bd->bi_dram[bank].start; 39 size[bank] = bd->bi_dram[bank].size; 40 #ifdef CONFIG_ARMV7_NONSEC 41 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 42 if (ret) 43 return ret; 44 #endif 45 } 46 47 #ifdef CONFIG_OF_LIBFDT 48 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 49 if (ret) 50 return ret; 51 #endif 52 53 #ifdef CONFIG_ARMV8_SPIN_TABLE 54 ret = spin_table_update_dt(blob); 55 if (ret) 56 return ret; 57 #endif 58 59 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 60 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 61 ret = psci_update_dt(blob); 62 if (ret) 63 return ret; 64 #endif 65 #endif 66 67 return 0; 68 } 69