mainboard/lenovo/{t430s,t420s,t520,t530,x220}: Add TPM 1.2 mainboard support
Every Lenovo Thinkpad includes a Trusted Platform Module, so we can enable
it for the sandy-/ivybridge platforms.
Change-Id: Icda443ba88c2a49a0033014ce7710dd607fa15dc
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: http://review.coreboot.org/10411
Tested-by: build bot (Jenkins)
Reviewed-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/mainboard/lenovo/t420s/Kconfig b/src/mainboard/lenovo/t420s/Kconfig
index be18eb0a..47e70d6 100644
--- a/src/mainboard/lenovo/t420s/Kconfig
+++ b/src/mainboard/lenovo/t420s/Kconfig
@@ -20,6 +20,7 @@
select MAINBOARD_HAS_NATIVE_VGA_INIT
select MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG
select SANDYBRIDGE_LVDS
+ select MAINBOARD_HAS_LPC_TPM
# Workaround for EC/KBC IRQ1.
select SERIRQ_CONTINUOUS_MODE
diff --git a/src/mainboard/lenovo/t420s/devicetree.cb b/src/mainboard/lenovo/t420s/devicetree.cb
index 0385e83..cd70228 100644
--- a/src/mainboard/lenovo/t420s/devicetree.cb
+++ b/src/mainboard/lenovo/t420s/devicetree.cb
@@ -112,6 +112,10 @@
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/t420s/dsdt.asl b/src/mainboard/lenovo/t420s/dsdt.asl
index b40b6db..27dcf54 100644
--- a/src/mainboard/lenovo/t420s/dsdt.asl
+++ b/src/mainboard/lenovo/t420s/dsdt.asl
@@ -53,6 +53,14 @@
}
}
+ /*
+ * 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>
}