| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <stddef.h> |
| #include <string.h> |
| #include "chromeos.h" |
| #include <boot/coreboot_tables.h> |
| #include <cbfs.h> |
| #include <cbmem.h> |
| #include <console/console.h> |
| #include "vboot_handoff.h" |
| |
| static int vboot_enable_developer(void) |
| { |
| struct vboot_handoff *vbho; |
| |
| vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); |
| |
| if (vbho == NULL) { |
| printk(BIOS_ERR, "%s: Couldn't find vboot_handoff structure!\n", |
| __func__); |
| return 0; |
| } |
| |
| return !!(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_DEVELOPER); |
| } |
| |
| static int vboot_enable_recovery(void) |
| { |
| struct vboot_handoff *vbho; |
| |
| vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); |
| |
| if (vbho == NULL) |
| return 0; |
| |
| return !!(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_RECOVERY); |
| } |
| |
| int vboot_skip_display_init(void) |
| { |
| struct vboot_handoff *vbho; |
| |
| vbho = cbmem_find(CBMEM_ID_VBOOT_HANDOFF); |
| |
| if (vbho == NULL) |
| return 0; |
| |
| return !(vbho->init_params.out_flags & VB_INIT_OUT_ENABLE_DISPLAY); |
| } |
| |
| int __attribute__((weak)) clear_recovery_mode_switch(void) |
| { |
| // Can be implemented by a mainboard |
| return 0; |
| } |
| |
| #ifdef __ROMSTAGE__ |
| void __attribute__((weak)) save_chromeos_gpios(void) |
| { |
| // Can be implemented by a mainboard |
| } |
| |
| int __attribute((weak)) vboot_get_sw_write_protect(void) |
| { |
| // Can be implemented by a platform / mainboard |
| return 0; |
| } |
| #endif |