| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2015 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <boot_device.h> |
| #include <endian.h> |
| #include <stdlib.h> |
| |
| /* The ROM is memory mapped just below 4GiB. Form a pointer for the base. */ |
| #define rom_base ((void *)(uintptr_t)(0x100000000ULL-CONFIG_ROM_SIZE)) |
| |
| static const struct mem_region_device boot_dev = |
| MEM_REGION_DEV_RO_INIT(rom_base, CONFIG_ROM_SIZE); |
| |
| const struct region_device *boot_device_ro(void) |
| { |
| return &boot_dev.rdev; |
| } |
