baytrail: enable monotonic timer
Enabling the monotonic timer allows for collecting
boot stage times as well as each device initialization
time.
BUG=chrome-os-partner:23166
BRANCH=None
TEST=Built and booted. Noted timings in console output.
Change-Id: I5fdc703ea21710fd26de352f367c6fc0c767ab6a
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/174422
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/4894
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
diff --git a/src/soc/intel/baytrail/Kconfig b/src/soc/intel/baytrail/Kconfig
index 487bd7f..d00acaa 100644
--- a/src/soc/intel/baytrail/Kconfig
+++ b/src/soc/intel/baytrail/Kconfig
@@ -14,6 +14,7 @@
select COLLECT_TIMESTAMPS
select CPU_MICROCODE_IN_CBFS
select DYNAMIC_CBMEM
+ select HAVE_MONOTONIC_TIMER
select HAVE_SMI_HANDLER
select HAVE_HARD_RESET
select MMCONF_SUPPORT
@@ -27,6 +28,7 @@
select SSE2
select SUPPORT_CPU_UCODE_IN_CBFS
select TSC_CONSTANT_RATE
+ select TSC_MONOTONIC_TIMER
select TSC_SYNC_MFENCE
select UDELAY_TSC