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