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authorSimon Glass <sjg@chromium.org>2018-10-01 21:22:19 +0300
committerSimon Glass <sjg@chromium.org>2018-10-09 13:40:27 +0300
commit6307896c177e3afb54a42439062dce0776d31891 (patch)
treeebfa5a4ccdef16e7a910eea736f2ce542ac6b80d /lib
parent06f94461a9f4769473651a34d7625f895ebe4996 (diff)
downloadu-boot-6307896c177e3afb54a42439062dce0776d31891.tar.xz
tpm: Add support for SPL and TPL
At present the tpm can only be used in U-Boot proper. Updated it to work in SPL and TPL also. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig22
-rw-r--r--lib/Makefile10
2 files changed, 29 insertions, 3 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 622f3c26c3..b711d62d32 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -185,6 +185,28 @@ config TPM
for the low-level TPM interface, but only one TPM is supported at
a time by the TPM library.
+config SPL_TPM
+ bool "Trusted Platform Module (TPM) Support in SPL"
+ depends on SPL_DM
+ help
+ This enables support for TPMs which can be used to provide security
+ features for your board. The TPM can be connected via LPC or I2C
+ and a sandbox TPM is provided for testing purposes. Use the 'tpm'
+ command to interactive the TPM. Driver model support is provided
+ for the low-level TPM interface, but only one TPM is supported at
+ a time by the TPM library.
+
+config TPL_TPM
+ bool "Trusted Platform Module (TPM) Support in TPL"
+ depends on TPL_DM
+ help
+ This enables support for TPMs which can be used to provide security
+ features for your board. The TPM can be connected via LPC or I2C
+ and a sandbox TPM is provided for testing purposes. Use the 'tpm'
+ command to interactive the TPM. Driver model support is provided
+ for the low-level TPM interface, but only one TPM is supported at
+ a time by the TPM library.
+
endmenu
menu "Android Verified Boot"
diff --git a/lib/Makefile b/lib/Makefile
index f169644850..fb6944128a 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -45,14 +45,18 @@ obj-$(CONFIG_PHYSMEM) += physmem.o
obj-y += qsort.o
obj-y += rc4.o
obj-$(CONFIG_SUPPORT_EMMC_RPMB) += sha256.o
-obj-$(CONFIG_TPM) += tpm-common.o
-obj-$(CONFIG_TPM_V1) += tpm-v1.o
-obj-$(CONFIG_TPM_V2) += tpm-v2.o
obj-$(CONFIG_RBTREE) += rbtree.o
obj-$(CONFIG_BITREVERSE) += bitrev.o
obj-y += list_sort.o
endif
+obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm-common.o
+ifeq ($(CONFIG_$(SPL_TPL_)TPM),y)
+obj-y += crc8.o
+obj-$(CONFIG_TPM_V1) += tpm-v1.o
+obj-$(CONFIG_TPM_V2) += tpm-v2.o
+endif
+
obj-$(CONFIG_RSA) += rsa/
obj-$(CONFIG_SHA1) += sha1.o
obj-$(CONFIG_SHA256) += sha256.o