1 /*
2  * This file is part of the coreboot project.
3  *
4  * Copyright (C) 2011 The ChromiumOS Authors.  All rights reserved.
5  *
6  * SPDX-License-Identifier:	GPL-2.0
7  */
8 
9 #ifndef __COREBOOT_TIMESTAMP_H__
10 #define __COREBOOT_TIMESTAMP_H__
11 
12 enum timestamp_id {
13 	/* coreboot specific timestamp IDs */
14 	TS_START_ROMSTAGE = 1,
15 	TS_BEFORE_INITRAM = 2,
16 	TS_AFTER_INITRAM = 3,
17 	TS_END_ROMSTAGE = 4,
18 	TS_START_COPYRAM = 8,
19 	TS_END_COPYRAM = 9,
20 	TS_START_RAMSTAGE = 10,
21 	TS_DEVICE_ENUMERATE = 30,
22 	TS_DEVICE_CONFIGURE = 40,
23 	TS_DEVICE_ENABLE = 50,
24 	TS_DEVICE_INITIALIZE = 60,
25 	TS_DEVICE_DONE = 70,
26 	TS_CBMEM_POST = 75,
27 	TS_WRITE_TABLES = 80,
28 	TS_LOAD_PAYLOAD = 90,
29 	TS_ACPI_WAKE_JUMP = 98,
30 	TS_SELFBOOT_JUMP = 99,
31 
32 	/* U-Boot entry IDs start at 1000 */
33 	TS_U_BOOT_INITTED = 1000, /* This is where u-boot starts */
34 	TS_U_BOOT_START_KERNEL = 1100, /* Right before jumping to kernel. */
35 };
36 
37 void timestamp_init(void);
38 void timestamp_add(enum timestamp_id id, uint64_t ts_time);
39 void timestamp_add_now(enum timestamp_id id);
40 
41 /**
42  * timestamp_add_to_bootstage - Add important coreboot timestamps to bootstage
43  *
44  * @return 0 if ok, -1 if no timestamps were found
45  */
46 int timestamp_add_to_bootstage(void);
47 
48 #endif
49