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Justin Hibbits c2e9c5bbf0 tpm: Refactor TIS and add a SPI attachment
Summary:
Though mostly used in x86 devices, TPM can be used on others, with a
direct SPI attachment.  Refactor the TPM 2.0 driver set to use an
attachment interface, and implement a SPI bus interface.

Test Plan:
Tested on a Raspberry Pi 4, with a GeeekPi TPM2.0 module (SLB9670
TPM) using security/tpm2-tools tpm2_getcaps for very light testing against the
spibus attachment.

Reviewed by:	kd
Obtained from:	Juniper Networks, Inc.
Differential Revision: https://reviews.freebsd.org/D45069
2024-05-03 16:26:11 -04:00
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.git-blame-ignore-revs Add another commit to .git-blame-ignore-revs 2024-03-15 23:11:52 +00:00
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RELNOTES RELNOTES: Mention date(1)'s nanosecond support 2024-05-02 22:47:55 +02:00
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