[PATCH v2 0/6] drivers: tpm: Fix Atmel/Microchip TPMv1.2 issues
Mathew McBride
matt at traverse.com.au
Thu Nov 11 05:06:25 CET 2021
While doing bringup/rebase for the Ten64 I did some troubleshooting
for the tpm (v1.2, NOT tpm2) command which did not appear to function,
despite the Linux driver and tools (tcsd) working on the same board.
Evidently the Atmel TPM driver hasn't kept up with various step
changes in the I2C and TPM stacks, and while TPMv1.2 is quite
dated to TPMv2 it would be nice to make some use of the hardware
that is there.
(Admittedly I would love to replace our hardware TPM with an fTPM
but that is a project for another day)
There are also subcommands in tpm-v1 which also have been
missed in changes to the TPMv1 API and are fixed in this patchset.
Changes in v2:
- Include model number in get_desc output
Example: "Atmel AT97SC3204T I2C 1.2 TPM (tpm at 29)"
Mathew McBride (6):
cmd: tpm-v1: fix compile error in TPMv1 list resources command
cmd: tpm-v1: fix load_key_by_sha1 compile errors
drivers: tpm: atmel_twi: drop non-DM_I2C compatibility
drivers: tpm: atmel_twi: do not use an offset byte
drivers: tpm: atmel_twi: implement get_desc operation
drivers: tpm: atmel_twi: fix printf specifier compile warning
cmd/tpm-v1.c | 17 +++++++++++------
drivers/tpm/tpm_atmel_twi.c | 22 +++++++---------------
lib/tpm-v1.c | 4 ++--
3 files changed, 20 insertions(+), 23 deletions(-)
--
2.30.1
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