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-rw-r--r--src/soc/intel/baytrail/acpi/southcluster.asl21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/acpi/southcluster.asl b/src/soc/intel/baytrail/acpi/southcluster.asl
index cf27a2420a..ced161876d 100644
--- a/src/soc/intel/baytrail/acpi/southcluster.asl
+++ b/src/soc/intel/baytrail/acpi/southcluster.asl
@@ -228,6 +228,27 @@ Method (_OSC, 4)
}
}
+/* IOSF MBI Interface for kernel access */
+Device (IOSF)
+{
+ Name (_HID, "INT33BD")
+ Name (_CID, "INT33BD")
+ Name (_UID, 1)
+
+ Name (RBUF, ResourceTemplate ()
+ {
+ /* MCR / MDR / MCRX */
+ Memory32Fixed (ReadWrite, 0, 12, RBAR)
+ })
+
+ Method (_CRS)
+ {
+ CreateDwordField (^RBUF, ^RBAR._BAS, RBAS)
+ Store (Add (MCFG_BASE_ADDRESS, 0xD0), RBAS)
+ Return (^RBUF)
+ }
+}
+
// LPC Bridge 0:1f.0
#include "lpc.asl"