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 printf("Adding bank: 0x%08llx - 0x%08llx (size: 0x%08llx)\n", 64 start[bank], start[bank] + size[bank], size[bank]); 65 66 #ifdef CONFIG_ARMV7_NONSEC 67 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 68 if (ret) 69 return ret; 70 #endif 71 } 72 73 #ifdef CONFIG_OF_LIBFDT 74 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 75 if (ret) 76 return ret; 77 #endif 78 79 #ifdef CONFIG_ARMV8_SPIN_TABLE 80 ret = spin_table_update_dt(blob); 81 if (ret) 82 return ret; 83 #endif 84 85 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 86 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 87 ret = psci_update_dt(blob); 88 if (ret) 89 return ret; 90 #endif 91 #endif 92 93 #ifdef CONFIG_FMAN_ENET 94 ret = fdt_update_ethernet_dt(blob); 95 if (ret) 96 return ret; 97 #endif 98 return 0; 99 } 100