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| author | Laszlo Ersek <lersek@redhat.com> | 2016-05-17 16:08:23 +0200 |
|---|---|---|
| committer | Laszlo Ersek <lersek@redhat.com> | 2016-05-17 20:46:59 +0200 |
| commit | ac759060e6272c3e451808c9ba40927d76890f26 (patch) | |
| tree | a63836e274353224d86bda4d5a8725d284897056 /OvmfPkg/Library/AcpiTimerLib | |
| parent | b41ef32518095f783d0c2343b496cc857c6f3dff (diff) | |
| download | edk2-ac759060e6272c3e451808c9ba40927d76890f26.tar.gz edk2-ac759060e6272c3e451808c9ba40927d76890f26.tar.bz2 edk2-ac759060e6272c3e451808c9ba40927d76890f26.zip | |
OvmfPkg/AcpiTimerLib: don't use possibly unset PMBA register (PEI phase)
We should store the right value to the PMBA (if the PMBA needs
initialization) before setting mAcpiTimerIoAddr from the PMBA.
Cc: Gabriel Somlo <somlo@cmu.edu>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Fixes: f122712b42af3d63902c2c141e90d2c200df6790
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Gabriel Somlo <somlo@cmu.edu>
Diffstat (limited to 'OvmfPkg/Library/AcpiTimerLib')
| -rw-r--r-- | OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.c b/OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.c index c3c50c05d3..7144d75c73 100644 --- a/OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.c +++ b/OvmfPkg/Library/AcpiTimerLib/BaseAcpiTimerLib.c @@ -63,8 +63,6 @@ AcpiTimerLibConstructor ( return RETURN_UNSUPPORTED;
}
- mAcpiTimerIoAddr = (PciRead32 (Pmba) & ~PMBA_RTE) + ACPI_TIMER_OFFSET;
-
//
// Check to see if the Power Management Base Address is already enabled
//
@@ -81,6 +79,7 @@ AcpiTimerLibConstructor ( PciOr8 (AcpiCtlReg, AcpiEnBit);
}
+ mAcpiTimerIoAddr = (PciRead32 (Pmba) & ~PMBA_RTE) + ACPI_TIMER_OFFSET;
return RETURN_SUCCESS;
}
|