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-rw-r--r--src/northbridge/intel/x4x/acpi/hostbridge.asl4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/northbridge/intel/x4x/acpi/hostbridge.asl b/src/northbridge/intel/x4x/acpi/hostbridge.asl
index d96a7d58b7..2a8a137726 100644
--- a/src/northbridge/intel/x4x/acpi/hostbridge.asl
+++ b/src/northbridge/intel/x4x/acpi/hostbridge.asl
@@ -208,8 +208,8 @@ Method (_CRS, 0, Serialized)
* Enter actual TOLUD. The TOLUD register contains bits 20-31 of
* the top of memory address.
*/
- ShiftLeft (^MCHC.TLUD, 20, PMIN)
- Add(Subtract(PMAX, PMIN), 1, PLEN)
+ PMIN = ^MCHC.TLUD << 20
+ PLEN = PMAX - PMIN + 1
Return (MCRS)
}