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-rw-r--r--src/soc/intel/braswell/acpi/southcluster.asl23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/soc/intel/braswell/acpi/southcluster.asl b/src/soc/intel/braswell/acpi/southcluster.asl
index 19a58d119c..f7e3168126 100644
--- a/src/soc/intel/braswell/acpi/southcluster.asl
+++ b/src/soc/intel/braswell/acpi/southcluster.asl
@@ -153,6 +153,12 @@ Method (_CRS, 0, Serialized)
0x00000000, 0x000f0000, 0x000fffff, 0x00000000,
0x00010000,,, FSEG)
+ /* LPEA Memory Region (0x20000000-0x201FFFFF) */
+ DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
+ Cacheable, ReadWrite,
+ 0x00000000, 0x20000000, 0x201FFFFF, 0x00000000,
+ 0x00200000,,, LMEM)
+
/* PCI Memory Region (Top of memory-0xfeafffff) */
DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed,
Cacheable, ReadWrite,
@@ -166,6 +172,23 @@ Method (_CRS, 0, Serialized)
0x00005000,,, TPMR)
})
+ /* Update LPEA resource area */
+ CreateDWordField (MCRS, LMEM._MIN, LMIN)
+ CreateDWordField (MCRS, LMEM._MAX, LMAX)
+ CreateDWordField (MCRS, LMEM._LEN, LLEN)
+ If (LAnd (LNotEqual (LPFW, Zero), LEqual (LPEN, One)))
+ {
+ Store (LPFW, LMIN)
+ Store (Add (LMIN, 0x001FFFFF), LMAX)
+ Store (0x00200000, LLEN)
+ }
+ Else
+ {
+ Store (Zero, LMIN)
+ Store (Zero, LMAX)
+ Store (Zero, LLEN)
+ }
+
/* Update PCI resource area */
CreateDwordField(MCRS, PMEM._MIN, PMIN)
CreateDwordField(MCRS, PMEM._MAX, PMAX)