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tpm: Add support for SPL and TPL

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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>
This commit is contained in:
Simon Glass 2018-10-01 12:22:19 -06:00
parent 06f94461a9
commit 6307896c17
3 changed files with 30 additions and 4 deletions
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2
drivers/tpm/Makefile
View file

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
obj-$(CONFIG_TPM) += tpm-uclass.o
obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm-uclass.o
obj-$(CONFIG_TPM_ATMEL_TWI) += tpm_atmel_twi.o
obj-$(CONFIG_TPM_TIS_INFINEON) += tpm_tis_infineon.o

22
lib/Kconfig
View file

@ -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"

10
lib/Makefile
View file

@ -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