sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sb/intel/bd82x6x: Add time-stamp around ME DRAM update

Browse Source 
Add a timestamp before and after waiting for the ME to acknowledge the
DRAM being ready.

This allows easier debugging during use of me_cleaner and/or alternate
ME images.

Change-Id: Ie228e12a75d373b4f406b3595e1fb1aab41aa5df
Signed-off-by: Nathaniel Roach <nroach44@gmail.com>
Reviewed-on: https://review.coreboot.org/21465
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Nathaniel Roach
2017-09-09 19:58:08 +08:00
committed by Aaron Durbin
parent 3670cc1bad
commit 52f0871b23
2 changed files with 11 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/commonlib/include/commonlib/timestamp_serialized.h
View File

@@ -77,6 +77,10 @@ enum timestamp_id {
TS_END_COPYVPD_RO = 551,
TS_END_COPYVPD_RW = 552,
/* 940-950 reserved for vendorcode extensions (940-950: Intel ME) */
TS_ME_INFORM_DRAM_WAIT = 940,
TS_ME_INFORM_DRAM_DONE = 941,
/* 950+ reserved for vendorcode extensions (950-999: intel/fsp) */
TS_FSP_MEMORY_INIT_START = 950,
TS_FSP_MEMORY_INIT_END = 951,
@@ -177,6 +181,10 @@ static const struct timestamp_id_to_name {
{ TS_KERNEL_DECOMPRESSION, "starting kernel decompression/relocation" },
{ TS_START_KERNEL, "jumping to kernel" },
/* Intel ME related timestamps */
{ TS_ME_INFORM_DRAM_WAIT, "waiting for ME acknowledgement of raminit"},
{ TS_ME_INFORM_DRAM_DONE, "finished waiting for ME response"},
/* FSP related timestamps */
{ TS_FSP_MEMORY_INIT_START, "calling FspMemoryInit" },
{ TS_FSP_MEMORY_INIT_END, "returning from FspMemoryInit" },