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 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 if (size[bank] == 0) 46 continue; 47 start[bank] = bd->bi_dram[bank].start; 48 size[bank] = bd->bi_dram[bank].size; 49 printf("Adding bank: start=0x%08lx, size=0x%08lx\n", 50 gd->bd->bi_dram[bank].start, gd->bd->bi_dram[bank].size); 51 52 #ifdef CONFIG_ARMV7_NONSEC 53 ret = armv7_apply_memory_carveout(&start[bank], &size[bank]); 54 if (ret) 55 return ret; 56 #endif 57 } 58 59 #ifdef CONFIG_OF_LIBFDT 60 ret = fdt_fixup_memory_banks(blob, start, size, CONFIG_NR_DRAM_BANKS); 61 if (ret) 62 return ret; 63 #endif 64 65 #ifdef CONFIG_ARMV8_SPIN_TABLE 66 ret = spin_table_update_dt(blob); 67 if (ret) 68 return ret; 69 #endif 70 71 #if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV8_PSCI) || \ 72 defined(CONFIG_SEC_FIRMWARE_ARMV8_PSCI) 73 ret = psci_update_dt(blob); 74 if (ret) 75 return ret; 76 #endif 77 #endif 78 79 #ifdef CONFIG_FMAN_ENET 80 ret = fdt_update_ethernet_dt(blob); 81 if (ret) 82 return ret; 83 #endif 84 return 0; 85 } 86