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authorVadim Bendebury <vbendeb@chromium.org>2011-10-17 08:36:14 +0000
committerWolfgang Denk <wd@denx.de>2011-12-07 08:45:51 +0100
commit5e1247247b5040081bfc219fe176e43db6ded4cf (patch)
tree22c4183c0854dfc57b07a561863c2d27d3a14f33 /Makefile
parent5f3dfadc26c3d7c02e5fe16a743475328a85e891 (diff)
downloadu-boot-linaro-stable-5e1247247b5040081bfc219fe176e43db6ded4cf.tar.gz
Introduce generic TPM support in u-boot
TPM (Trusted Platform Module) is an integrated circuit and software platform that provides computer manufacturers with the core components of a subsystem used to assure authenticity, integrity and confidentiality. This driver supports version 1.2 of the TCG (Trusted Computing Group) specifications. The TCG specification defines several so called localities in a TPM chip, to be controlled by different software layers. When used on a typical x86 platform during the firmware phase, only locality 0 can be accessed by the CPU, so this driver even while supporting the locality concept presumes that only locality zero is used. This implementation is loosely based on the article "Writing a TPM Device Driver" published on http://ptgmedia.pearsoncmg.com Compiling this driver with DEBUG defined will generate trace of all accesses to TMP registers. This driver has been tested and is being used in three different functional ChromeOS machines (Pinetrail and Sandy Bridge Intel chipsets) all using the same Infineon SLB 9635 TT 1.2 device. A u-boot cli command allowing access to the TPM was also implemented and is being submitted as a second patch. Change-Id: I22a33c3e5b2e20eec9557a7621bd463b30389d73 Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> CC: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index c2f7f74b6..f23bed615 100644
--- a/Makefile
+++ b/Makefile
@@ -277,6 +277,9 @@ LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
endif
LIBS += drivers/rtc/librtc.o
LIBS += drivers/serial/libserial.o
+ifeq ($(CONFIG_GENERIC_LPC_TPM),y)
+LIBS += drivers/tpm/libtpm.o
+endif
LIBS += drivers/twserial/libtws.o
LIBS += drivers/usb/eth/libusb_eth.o
LIBS += drivers/usb/gadget/libusb_gadget.o