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authorJan Dabros <jsd@semihalf.com>2022-09-15 07:36:43 +0000
committerMartin L Roth <gaumless@gmail.com>2022-09-19 09:52:25 +0000
commit2d9e96a5ab175e126929e8d2314227cdd441857f (patch)
tree6451f40a77ce036e88061f35996b59805d7808ef /src/soc/amd/common/block/include
parente8097f7a283228e3bbb8ddc525e4f8c861a5bcb8 (diff)
soc/amd/mendocino/acpi: Add support for shared TPM_I2C controller
There are platforms equipped with AMD SoC where I2C3 controller connected to TPM device is shared between X86 and PSP. In order to handle this, PSP acts as an I2C-arbitrator, where x86 (kernel) sends acquire and release requests to be accepted by PSP. Introduce new CONFIG for Mendocino SoCs similar to what we have for Cezanne. BUG=b:241878652 BRANCH=none Signed-off-by: Jan Dabros <jsd@semihalf.com> Change-Id: I015a24715271d2b26c0bd3c9425e20fb2987a954 Reviewed-on: https://review.coreboot.org/c/coreboot/+/67674 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Raul Rangel <rrangel@chromium.org>
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