diff --git a/src/northbridge/intel/pineview/acpi/hostbridge.asl b/src/northbridge/intel/pineview/acpi/hostbridge.asl
index 0a9897c..dae0b77 100644
--- a/src/northbridge/intel/pineview/acpi/hostbridge.asl
+++ b/src/northbridge/intel/pineview/acpi/hostbridge.asl
@@ -208,8 +208,8 @@
 	 * Enter actual TOLUD. The TOLUD register contains bits 27-31 of
 	 * the top of memory address.
 	 */
-	ShiftLeft (^MCHC.TLUD, 27, PMIN)
-	Add(Subtract(PMAX, PMIN), 1, PLEN)
+	PMIN = ^MCHC.TLUD << 27
+	PLEN = PMAX - PMIN + 1
 
 	Return (MCRS)
 }