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-rw-r--r--src/mainboard/apple/macbookair4_2/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/apple/macbookair4_2/devicetree.cb b/src/mainboard/apple/macbookair4_2/devicetree.cb
index a43b9f2dc7..226ec04004 100644
--- a/src/mainboard/apple/macbookair4_2/devicetree.cb
+++ b/src/mainboard/apple/macbookair4_2/devicetree.cb
@@ -30,6 +30,9 @@ chip northbridge/intel/sandybridge
end
end
end
+
+ register "pci_mmio_size" = "2048"
+
device domain 0x0 on
chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH
register "c2_latency" = "0x0065"