1 files changed, 47 insertions, 0 deletions
diff --git a/src/vboot/vbnv_layout.h b/src/vboot/vbnv_layout.h
new file mode 100644
index 0000000000..59acd0c354
--- /dev/null
+++ b/src/vboot/vbnv_layout.h
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2015 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.
+ */
+
+#ifndef __VBOOT_VBNV_LAYOUT_H__
+#define __VBOOT_VBNV_LAYOUT_H__
+
+#define VBOOT_VBNV_BLOCK_SIZE 16	/* Size of NV storage block in bytes */
+
+/* Constants for NV storage.  We use this rather than structs and
+ * bitfields so the data format is consistent across platforms and
+ * compilers.
+ */
+#define HEADER_OFFSET                0
+#define HEADER_MASK                     0xC0
+#define HEADER_SIGNATURE                0x40
+#define HEADER_FIRMWARE_SETTINGS_RESET  0x20
+#define HEADER_KERNEL_SETTINGS_RESET    0x10
+
+#define BOOT_OFFSET                  1
+#define BOOT_DEBUG_RESET_MODE           0x80
+#define BOOT_DISABLE_DEV_REQUEST        0x40
+#define BOOT_OPROM_NEEDED               0x20
+#define BOOT_TRY_B_COUNT_MASK           0x0F
+
+#define RECOVERY_OFFSET              2
+#define LOCALIZATION_OFFSET          3
+
+#define DEV_FLAGS_OFFSET             4
+#define DEV_BOOT_USB_MASK               0x01
+#define DEV_BOOT_SIGNED_ONLY_MASK       0x02
+
+#define KERNEL_FIELD_OFFSET         11
+#define CRC_OFFSET                  15
+
+#endif /* __VBOOT_VBNV_LAYOUT_H__ */