diff options
author | Miquel Raynal <miquel.raynal@bootlin.com> | 2018-05-15 11:57:05 +0200 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2018-05-25 20:12:33 -0400 |
commit | 9f9ce3c369b7fbcc47496331ff28fad80302a42c (patch) | |
tree | b1b18ec0e244bb070ea09af3a79abdd9350893f6 /drivers/tpm | |
parent | 06425aa087b7dae17028544a0161ecc2ba6059c8 (diff) |
tpm: prepare introduction of TPMv2.x support in Kconfig
Because both major revisions are not compatible at all, let's make them
mutually exclusive in Kconfig. This way we will be sure, when using a
command or a library function that it is supported by the right
revision.
Current drivers are currently prefixed by "tpm_", we will prefix TPMv2.x
files by "tpm2_" to make the distinction without moving everything.
The Kconfig menu about TPM drivers is now divided into two sections, one
for each specification. Compliant drivers with one specification will
only show up if this specification _only_ has been selected, otherwise a
comment is displayed.
Once a driver is selected by the user, it selects automatically a
boolean value, that is needed in order to activate the TPM commands.
Selecting the TPM commands will automatically select the right
command/library files.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Rework deps as TPM_V1 and TPM_V2 depend on TPM,
drop TPM_DRIVER_SELECTED]
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/tpm')
-rw-r--r-- | drivers/tpm/Kconfig | 49 |
1 files changed, 38 insertions, 11 deletions
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 |