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-rw-r--r--cmd/Kconfig24
-rw-r--r--cmd/Makefile2
-rw-r--r--drivers/tpm/Kconfig49
-rw-r--r--lib/Makefile2
4 files changed, 58 insertions, 19 deletions
diff --git a/cmd/Kconfig b/cmd/Kconfig
index cffc3afc45..d532c9fc41 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1491,25 +1491,37 @@ config HASH_VERIFY
help
Add -v option to verify data against a hash.
+config CMD_TPM_V1
+ bool
+
+config CMD_TPM_V2
+ bool
+
config CMD_TPM
bool "Enable the 'tpm' command"
- depends on TPM
+ depends on TPM_V1 || TPM_V2
+ select CMD_TPM_V1 if TPM_V1
+ select CMD_TPM_V2 if TPM_V2
help
This provides a means to talk to a TPM from the command line. A wide
range of commands if provided - see 'tpm help' for details. The
command requires a suitable TPM on your board and the correct driver
must be enabled.
+if CMD_TPM
+
config CMD_TPM_TEST
bool "Enable the 'tpm test' command"
- depends on CMD_TPM
+ depends on TPM_V1
help
- This provides a a series of tests to confirm that the TPM is working
- correctly. The tests cover initialisation, non-volatile RAM, extend,
- global lock and checking that timing is within expectations. The
- tests pass correctly on Infineon TPMs but may need to be adjusted
+ This provides a a series of tests to confirm that the TPMv1.x is
+ working correctly. The tests cover initialisation, non-volatile RAM,
+ extend, global lock and checking that timing is within expectations.
+ The tests pass correctly on Infineon TPMs but may need to be adjusted
for other devices.
+endif
+
endmenu
menu "Firmware commands"
diff --git a/cmd/Makefile b/cmd/Makefile
index c05dc2b0fc..ca6ead8e8e 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -120,7 +120,7 @@ obj-$(CONFIG_CMD_TERMINAL) += terminal.o
obj-$(CONFIG_CMD_TIME) += time.o
obj-$(CONFIG_CMD_TRACE) += trace.o
obj-$(CONFIG_HUSH_PARSER) += test.o
-obj-$(CONFIG_CMD_TPM) += tpm.o
+obj-$(CONFIG_CMD_TPM_V1) += tpm.o
obj-$(CONFIG_CMD_TPM_TEST) += tpm_test.o
obj-$(CONFIG_CMD_CROS_EC) += cros_ec.o
obj-$(CONFIG_CMD_TSI148) += tsi148.o
diff --git a/drivers/tpm/Kconfig b/drivers/tpm/Kconfig
index 2a64bc49c3..53c34612df 100644
--- a/drivers/tpm/Kconfig
+++ b/drivers/tpm/Kconfig
@@ -4,9 +4,22 @@
menu "TPM support"
+comment "Please select only one TPM revision"
+ depends on TPM_V1 && TPM_V2
+
+config TPM_V1
+ bool "TPMv1.x support"
+ depends on TPM
+ default y
+ help
+ Major TPM versions are not compatible at all, choose either
+ one or the other. This option enables TPMv1.x drivers/commands.
+
+if TPM_V1 && !TPM_V2
+
config TPM_TIS_SANDBOX
bool "Enable sandbox TPM driver"
- depends on SANDBOX
+ depends on TPM_V1 && SANDBOX
help
This driver emulates a TPM, providing access to base functions
such as reading and writing TPM private data. This is enough to
@@ -15,7 +28,7 @@ config TPM_TIS_SANDBOX
config TPM_ATMEL_TWI
bool "Enable Atmel TWI TPM device driver"
- depends on TPM
+ depends on TPM_V1
help
This driver supports an Atmel TPM device connected on the I2C bus.
The usual tpm operations and the 'tpm' command can be used to talk
@@ -24,7 +37,7 @@ config TPM_ATMEL_TWI
config TPM_TIS_INFINEON
bool "Enable support for Infineon SLB9635/45 TPMs on I2C"
- depends on TPM && DM_I2C
+ depends on TPM_V1 && DM_I2C
help
This driver supports Infineon TPM devices connected on the I2C bus.
The usual tpm operations and the 'tpm' command can be used to talk
@@ -33,7 +46,7 @@ config TPM_TIS_INFINEON
config TPM_TIS_I2C_BURST_LIMITATION
bool "Enable I2C burst length limitation"
- depends on TPM_TIS_INFINEON
+ depends on TPM_V1 && TPM_TIS_INFINEON
help
Some broken TPMs have a limitation on the number of bytes they can
receive in one message. Enable this option to allow you to set this
@@ -48,7 +61,7 @@ config TPM_TIS_I2C_BURST_LIMITATION_LEN
config TPM_TIS_LPC
bool "Enable support for Infineon SLB9635/45 TPMs on LPC"
- depends on TPM && X86
+ depends on TPM_V1 && X86
help
This driver supports Infineon TPM devices connected on the LPC bus.
The usual tpm operations and the 'tpm' command can be used to talk
@@ -57,7 +70,7 @@ config TPM_TIS_LPC
config TPM_AUTH_SESSIONS
bool "Enable TPM authentication session support"
- depends on TPM
+ depends on TPM_V1
help
Enable support for authorised (AUTH1) commands as specified in the
TCG Main Specification 1.2. OIAP-authorised versions of the commands
@@ -66,7 +79,7 @@ config TPM_AUTH_SESSIONS
config TPM_ST33ZP24_I2C
bool "STMicroelectronics ST33ZP24 I2C TPM"
- depends on TPM && DM_I2C
+ depends on TPM_V1 && DM_I2C
---help---
This driver supports STMicroelectronics TPM devices connected on the I2C bus.
The usual tpm operations and the 'tpm' command can be used to talk
@@ -75,7 +88,7 @@ config TPM_ST33ZP24_I2C
config TPM_ST33ZP24_SPI
bool "STMicroelectronics ST33ZP24 SPI TPM"
- depends on TPM && DM_SPI
+ depends on TPM_V1 && DM_SPI
---help---
This driver supports STMicroelectronics TPM devices connected on the SPI bus.
The usual tpm operations and the 'tpm' command can be used to talk
@@ -84,14 +97,14 @@ config TPM_ST33ZP24_SPI
config TPM_FLUSH_RESOURCES
bool "Enable TPM resource flushing support"
- depends on TPM
+ depends on TPM_V1
help
Enable support to flush specific resources (e.g. keys) from the TPM.
The functionality is available via the 'tpm' command as well.
config TPM_LOAD_KEY_BY_SHA1
bool "Enable TPM key loading by SHA1 support"
- depends on TPM
+ depends on TPM_V1
help
Enable support to load keys into the TPM by identifying
their parent via the public key's SHA1 hash.
@@ -99,8 +112,22 @@ config TPM_LOAD_KEY_BY_SHA1
config TPM_LIST_RESOURCES
bool "Enable TPM resource listing support"
- depends on TPM
+ depends on TPM_V1
help
Enable support to list specific resources (e.g. keys) within the TPM.
The functionality is available via the 'tpm' command as well.
+
+endif # TPM_V1
+
+config TPM_V2
+ bool "TPMv2.x support"
+ depends on TPM
+ help
+ Major TPM versions are not compatible at all, choose either
+ one or the other. This option enables TPMv2.x drivers/commands.
+
+if TPM_V2 && !TPM_V1
+
+endif # TPM_V2
+
endmenu
diff --git a/lib/Makefile b/lib/Makefile
index d531ea54b3..2a56b3b1c6 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -39,7 +39,7 @@ obj-$(CONFIG_PHYSMEM) += physmem.o
obj-y += qsort.o
obj-y += rc4.o
obj-$(CONFIG_SUPPORT_EMMC_RPMB) += sha256.o
-obj-$(CONFIG_TPM) += tpm.o
+obj-$(CONFIG_TPM_V1) += tpm.o
obj-$(CONFIG_RBTREE) += rbtree.o
obj-$(CONFIG_BITREVERSE) += bitrev.o
obj-y += list_sort.o