From 6307896c177e3afb54a42439062dce0776d31891 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Mon, 1 Oct 2018 12:22:19 -0600 Subject: [PATCH] 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 --- drivers/tpm/Makefile | 2 +- lib/Kconfig | 22 ++++++++++++++++++++++ lib/Makefile | 10 +++++++--- 3 files changed, 30 insertions(+), 4 deletions(-) diff --git a/drivers/tpm/Makefile b/drivers/tpm/Makefile index af473ef662..94c337b8ed 100644 --- a/drivers/tpm/Makefile +++ b/drivers/tpm/Makefile @@ -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-$(CONFIG_TPM_TIS_INFINEON) += tpm_tis_infineon.o diff --git a/lib/Kconfig b/lib/Kconfig index 622f3c26c3..b711d62d32 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -185,6 +185,28 @@ config TPM for the low-level TPM interface, but only one TPM is supported at a time by the TPM library. +config SPL_TPM + bool "Trusted Platform Module (TPM) Support in SPL" + depends on SPL_DM + help + This enables support for TPMs which can be used to provide security + features for your board. The TPM can be connected via LPC or I2C + and a sandbox TPM is provided for testing purposes. Use the 'tpm' + command to interactive the TPM. Driver model support is provided + for the low-level TPM interface, but only one TPM is supported at + a time by the TPM library. + +config TPL_TPM + bool "Trusted Platform Module (TPM) Support in TPL" + depends on TPL_DM + help + This enables support for TPMs which can be used to provide security + features for your board. The TPM can be connected via LPC or I2C + and a sandbox TPM is provided for testing purposes. Use the 'tpm' + command to interactive the TPM. Driver model support is provided + for the low-level TPM interface, but only one TPM is supported at + a time by the TPM library. + endmenu menu "Android Verified Boot" diff --git a/lib/Makefile b/lib/Makefile index f169644850..fb6944128a 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -45,14 +45,18 @@ obj-$(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 -- 2.25.1