arch/x86/include/asm/arch-coreboot/timestamp.h

   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