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 __weak int board_fdt_fixup(void *blob) 36 { 37 return 0; 38 } 39 40 int arch_fixup_fdt(void *blob) 41 { 42 int ret = 0; 43 44 ret = board_fdt_fixup(blob); 45 if (ret) 46 return ret; 47 48 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT) 49 bd_t *bd = gd->bd; 50 int bank; 51 u64 start[CONFIG_NR_DRAM_BANKS]; 52 u64 size[CONFIG_NR_DRAM_BANKS]; 53 54 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 55 start[bank] = bd->bi_dram[bank].start; 56 size[bank] = bd->bi_dram[bank].size; 57 if (size[bank] == 0) 58 continue; 59 printf("Adding bank: 0x%08llx - 0x%08llx (size: 0x%08llx)\n", 60 start[bank], start[bank] + size[bank], size[bank]); 61 62 #ifdef CONFIG_ARMV7_NONSEC 63 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 64 if (ret) 65 return ret; 66 #endif 67 } 68 69 #ifdef CONFIG_OF_LIBFDT 70 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 71 if (ret) 72 return ret; 73 #endif 74 75 #ifdef CONFIG_ARMV8_SPIN_TABLE 76 ret = spin_table_update_dt(blob); 77 if (ret) 78 return ret; 79 #endif 80 81 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 82 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 83 ret = psci_update_dt(blob); 84 if (ret) 85 return ret; 86 #endif 87 #endif 88 89 #ifdef CONFIG_FMAN_ENET 90 ret = fdt_update_ethernet_dt(blob); 91 if (ret) 92 return ret; 93 #endif 94 return 0; 95 } 96