tree cacbb74a807fe606cc2944cf1f9b71100177076d
parent fa7fdb89a3c55a5ea1c346b5ac43cae567c210ca
author Brit Chesley <brit.chesley@amd.com> 1714422778 -0500
committer mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> 1715143438 +0000

MdeModulePkg/Bus/Spi/SpiBus: Adding SpiBus Drivers

Added SpiBus DXE and SMM drivers. This code translates SPI requests from
the application layer into SPI Bus transactions on the SPI host
controller. The code is responsible for checking if the transaction is
valid, then setting up the SPI clock and chip select properly before
passing the bus transaction to the host controller.

Platform Initialization Spec 1.7 volume 5 section 18.1.6

Bugzilla #4753

Cc: Abner Chang <abner.chang@amd.com>
Cc: Abdul Lateef Attar <AbdulLateef.Attar@amd.com>
Signed-off-by: Brit Chesley <brit.chesley@amd.com>
Reviewed-by: Abner Chang <abner.chang@amd.com>