b838e9b720
Windows will set 0x262a0 for smi cmd pio, need to mask the higher bits due to smi command is 8 bits register. Otherwise, it cause the ACPI_ENABLE case can't be matched, and windows expecting the SCI_EN of PM1_CONTROL be set after switch to ACPI mode. Finally, cause windows trigger panic. Tracked-On: #2962 Signed-off-by: Yu Wang <yu1.wang@intel.com> Acked-by: Yin Fengwei <fengwei.yin@intel.com> |
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