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-rw-r--r--src/mainboard/lenovo/x220/Kconfig1
-rw-r--r--src/mainboard/lenovo/x220/devicetree.cb4
-rw-r--r--src/mainboard/lenovo/x220/dsdt.asl8
3 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/x220/Kconfig b/src/mainboard/lenovo/x220/Kconfig
index 006388f433..9fa95b917b 100644
--- a/src/mainboard/lenovo/x220/Kconfig
+++ b/src/mainboard/lenovo/x220/Kconfig
@@ -21,6 +21,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG
select SANDYBRIDGE_LVDS
select DRIVERS_RICOH_RCE822
+ select MAINBOARD_HAS_LPC_TPM
# Workaround for EC/KBC IRQ1.
select SERIRQ_CONTINUOUS_MODE
diff --git a/src/mainboard/lenovo/x220/devicetree.cb b/src/mainboard/lenovo/x220/devicetree.cb
index e9a417844c..9c3aac661a 100644
--- a/src/mainboard/lenovo/x220/devicetree.cb
+++ b/src/mainboard/lenovo/x220/devicetree.cb
@@ -126,6 +126,10 @@ chip northbridge/intel/sandybridge
register "dock_event_enable" = "0x01"
end
+ chip drivers/pc80/tpm
+ device pnp 0c31.0 on end
+ end
+
chip ec/lenovo/h8
device pnp ff.2 on # dummy
io 0x60 = 0x62
diff --git a/src/mainboard/lenovo/x220/dsdt.asl b/src/mainboard/lenovo/x220/dsdt.asl
index 42165a10bd..c8591a4fd3 100644
--- a/src/mainboard/lenovo/x220/dsdt.asl
+++ b/src/mainboard/lenovo/x220/dsdt.asl
@@ -52,6 +52,14 @@ DefinitionBlock(
}
}
+ /*
+ * LPC Trusted Platform Module
+ */
+ Scope (\_SB.PCI0.LPCB)
+ {
+ #include <drivers/pc80/tpm/acpi/tpm.asl>
+ }
+
/* Chipset specific sleep states */
#include <southbridge/intel/bd82x6x/acpi/sleepstates.asl>
}