Change in coreboot[master]: soc/intel/braswell: Disable OS use of HPET - coreboot-gerrit

19 Nov 2018


      Frans Hendriks has posted comments on this change. ( https://review.coreboot.org/29655 )
Change subject: soc/intel/braswell: Disable OS use of HPET
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Patch Set 3:
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Patch Set 3:
with what payload/distro/kernel(s) are you seeing the 'MP-BIOS bug: 8254 timer not connected to IO-APIC' issue?  I'm not seeing that with Braswell ChromeOS devices using Tianocore and booting Ubuntu (and derivatives) w/kernels 4.9+.  Linux reports the HPET is the current clock source, and no error in dmesg.
This occurs with Embedded Linux Ubuntu 4.15. In Intel EDS is mentioned that HPET does not work with 25MHz LPC clock. Please not that actual coreboot does not enable Local APIC and IO-APIC!
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Gerrit-Project: coreboot
Gerrit-Branch: master
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Gerrit-Change-Id: Ie9a78dcc736eb057c040a0a303c812adb1f76f3c
Gerrit-Change-Number: 29655
Gerrit-PatchSet: 3
Gerrit-Owner: Frans Hendriks fhendriks@eltan.com
Gerrit-Reviewer: Frans Hendriks fhendriks@eltan.com
Gerrit-Reviewer: Matt DeVillier matt.devillier@gmail.com
Gerrit-Reviewer: Michał Żygowski michal.zygowski@3mdeb.com
Gerrit-Reviewer: Patrick Georgi pgeorgi@google.com
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Gerrit-Comment-Date: Mon, 19 Nov 2018 07:43:49 +0000
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