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soc/amd/mendocino: Enable LPC SPI DMA 

Enable LPC SPI DMA. This helps with ~20ms boot time improvement while
loading various components synchronously.

BUG=None
TEST=Build Skyrim BIOS image and boot to OS. Observe a boot time
improvement of ~20 ms.
Before:
Total Time: 1,503,032
After:
Total Time: 1,485,536

Change-Id: I4dd57d46ae9bd664d57178d34b5beda872ed2cdb
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70383
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Karthikeyan Ramasubramanian 2022-12-05 17:08:08 -07:00 committed by Karthik Ramasubramanian
parent 1a397369ff
commit 5d5f6822f9
1 changed files with 1 additions and 0 deletions
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1
src/soc/amd/mendocino/Kconfig
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@ -70,6 +70,7 @@ config SOC_SPECIFIC_OPTIONS
select SOC_AMD_COMMON_BLOCK_I23C_PAD_CTRL
select SOC_AMD_COMMON_BLOCK_IOMMU
select SOC_AMD_COMMON_BLOCK_LPC # TODO: Check if this is still correct
select SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA
select SOC_AMD_COMMON_BLOCK_MCAX
select SOC_AMD_COMMON_BLOCK_NONCAR # TODO: Check if this is still correct
select SOC_AMD_COMMON_BLOCK_PCI # TODO: Check if this is still correct