| commit | f2af702df93a057fed54192abc8a907613841284 | |
| author | Frans Hendriks <fhendriks@eltan.com> | |
| Fri, 16 Nov 2018 11:08:41 +0000 (16 12:08 +0100) | ||
| committer | Patrick Georgi <pgeorgi@google.com> | |
| Wed, 21 Nov 2018 12:08:45 +0000 (21 12:08 +0000) | ||
| tree | 7bdf748fffe45c72e06640961c680a734dc15499 | treesnapshot (tar.gz zip) |
| parent | ef169d6cc6095f4088119117daa0421a835fef3c | commitdiff |
soc/intel/braswell: Disable OS use of HPET
The timer interrupts don't appear when HPET is enabled. This
result in Linux reporting 'MP-BIOS bug: 8254 timer not connected
to IO-APIC'
Enabling CONFIG_DISABLE_HPET disables OS use of HPET.
Intel issue 4800413 (doc #5965535) reports Windows7/Ubuntu Installation
Hang or Slow Boot Issue.
BUG=Intel #4800413
TEST=Portwell PQ7-M107
Change-Id: Ie9a78dcc736eb057c040a0a303c812adb1f76f3c
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/29655
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
The timer interrupts don't appear when HPET is enabled. This
result in Linux reporting 'MP-BIOS bug: 8254 timer not connected
to IO-APIC'
Enabling CONFIG_DISABLE_HPET disables OS use of HPET.
Intel issue 4800413 (doc #5965535) reports Windows7/Ubuntu Installation
Hang or Slow Boot Issue.
BUG=Intel #4800413
TEST=Portwell PQ7-M107
Change-Id: Ie9a78dcc736eb057c040a0a303c812adb1f76f3c
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/29655
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
| src/soc/intel/braswell/Kconfig | diffblobblamehistory | |
| src/soc/intel/braswell/acpi.c | diffblobblamehistory | |
| src/soc/intel/braswell/acpi/lpc.asl | diffblobblamehistory |