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 #ifdef CONFIG_FMAN_ENET 29 __weak int fdt_update_ethernet_dt(void *blob) 30 { 31 return 0; 32 } 33 #endif 34 35 int arch_fixup_fdt(void *blob) 36 { 37 __maybe_unused int ret = 0; 38 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT) 39 bd_t *bd = gd->bd; 40 int bank; 41 u64 start[CONFIG_NR_DRAM_BANKS]; 42 u64 size[CONFIG_NR_DRAM_BANKS]; 43 44 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 45 start[bank] = bd->bi_dram[bank].start; 46 size[bank] = bd->bi_dram[bank].size; 47 #ifdef CONFIG_ARMV7_NONSEC 48 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 49 if (ret) 50 return ret; 51 #endif 52 } 53 54 #ifdef CONFIG_OF_LIBFDT 55 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 56 if (ret) 57 return ret; 58 #endif 59 60 #ifdef CONFIG_ARMV8_SPIN_TABLE 61 ret = spin_table_update_dt(blob); 62 if (ret) 63 return ret; 64 #endif 65 66 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 67 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 68 ret = psci_update_dt(blob); 69 if (ret) 70 return ret; 71 #endif 72 #endif 73 74 #ifdef CONFIG_FMAN_ENET 75 ret = fdt_update_ethernet_dt(blob); 76 if (ret) 77 return ret; 78 #endif 79 return 0; 80 } 81