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 /* Show "/reserved-memory" */ 50 boot_mem_rsv_regions(NULL, blob); 51 52 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_OF_LIBFDT) 53 bd_t *bd = gd->bd; 54 int bank; 55 u64 start[CONFIG_NR_DRAM_BANKS]; 56 u64 size[CONFIG_NR_DRAM_BANKS]; 57 58 #ifdef CONFIG_BIDRAM 59 bidram_fixup(); 60 #endif 61 for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { 62 start[bank] = bd->bi_dram[bank].start; 63 size[bank] = bd->bi_dram[bank].size; 64 if (size[bank] == 0) 65 continue; 66 #ifdef CONFIG_ARCH_FIXUP_FDT_MEMORY 67 printf("Adding bank: 0x%08llx - 0x%08llx (size: 0x%08llx)\n", 68 start[bank], start[bank] + size[bank], size[bank]); 69 #endif 70 #ifdef CONFIG_ARMV7_NONSEC 71 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 72 if (ret) 73 return ret; 74 #endif 75 } 76 77 #ifdef CONFIG_OF_LIBFDT 78 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 79 if (ret) 80 return ret; 81 #endif 82 83 #ifdef CONFIG_ARMV8_SPIN_TABLE 84 ret = spin_table_update_dt(blob); 85 if (ret) 86 return ret; 87 #endif 88 89 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 90 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 91 ret = psci_update_dt(blob); 92 if (ret) 93 return ret; 94 #endif 95 #endif 96 97 #ifdef CONFIG_FMAN_ENET 98 ret = fdt_update_ethernet_dt(blob); 99 if (ret) 100 return ret; 101 #endif 102 return 0; 103 } 104