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 #include <bidram.h> 26 27 DECLARE_GLOBAL_DATA_PTR; 28 29 #ifdef CONFIG_FMAN_ENET 30 __weak int fdt_update_ethernet_dt(void *blob) 31 { 32 return 0; 33 } 34 #endif 35 36 __weak int board_fdt_fixup(void *blob) 37 { 38 return 0; 39 } 40 41 int arch_fixup_fdt(void *blob) 42 { 43 int ret = 0; 44 45 ret = board_fdt_fixup(blob); 46 if (ret) 47 return ret; 48 49 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT) 50 bd_t *bd = gd->bd; 51 int bank; 52 u64 start[CONFIG_NR_DRAM_BANKS]; 53 u64 size[CONFIG_NR_DRAM_BANKS]; 54 55 #ifdef CONFIG_BIDRAM 56 bidram_fixup(); 57 #endif 58 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 59 start[bank] = bd->bi_dram[bank].start; 60 size[bank] = bd->bi_dram[bank].size; 61 if (size[bank] == 0) 62 continue; 63 #ifdef CONFIG_ARCH_FIXUP_FDT_MEMORY 64 printf("Adding bank: 0x%08llx - 0x%08llx (size: 0x%08llx)\n", 65 start[bank], start[bank] + size[bank], size[bank]); 66 #endif 67 #ifdef CONFIG_ARMV7_NONSEC 68 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 69 if (ret) 70 return ret; 71 #endif 72 } 73 74 #ifdef CONFIG_OF_LIBFDT 75 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 76 if (ret) 77 return ret; 78 #endif 79 80 #ifdef CONFIG_ARMV8_SPIN_TABLE 81 ret = spin_table_update_dt(blob); 82 if (ret) 83 return ret; 84 #endif 85 86 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 87 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 88 ret = psci_update_dt(blob); 89 if (ret) 90 return ret; 91 #endif 92 #endif 93 94 #ifdef CONFIG_FMAN_ENET 95 ret = fdt_update_ethernet_dt(blob); 96 if (ret) 97 return ret; 98 #endif 99 return 0; 100 } 101