Change in coreboot[master]: soc/amd/common/block/lpc: Set FSP-S/M alignment to 64 when using SPI DMA

[Raul Rangel (Code Review)]

Attention is currently required from: Jason Glenesk, Marshall Dawson, Felix Held.
Raul Rangel has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59130 )

Change subject: soc/amd/common/block/lpc: Set FSP-S/M alignment to 64 when using SPI DMA
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soc/amd/common/block/lpc: Set FSP-S/M alignment to 64 when using SPI DMA

This will enable reading FSP-S/M using the SPI DMA controller.

BUG=B:179699789
TEST=Build guybrush with SPI DMA enabled and verify alignment is set

Signed-off-by: Raul E Rangel 
Change-Id: I282b9989d8e95c93603c6f69616a8f236a4e2e35
---
M src/soc/amd/common/block/lpc/Kconfig
1 file changed, 9 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/30/59130/1

diff --git a/src/soc/amd/common/block/lpc/Kconfig b/src/soc/amd/common/block/lpc/Kconfig
index 76f4ec7..6419269 100644
--- a/src/soc/amd/common/block/lpc/Kconfig
+++ b/src/soc/amd/common/block/lpc/Kconfig
@@ -16,12 +16,20 @@
    help
      Select this option to enable SPI DMA support.

-# The LPC SPI DMA controller requires the destination buffers to be 64 byte
+# The LPC SPI DMA controller requires the source and destination to be 64 byte
 # aligned.
 config CBFS_CACHE_ALIGN
    int
    default 64 if SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA

+config FSP_ALIGNMENT_FSP_S
+	int
+	default 64 if SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA
+
+config FSP_ALIGNMENT_FSP_M
+	int
+	default 64 if SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA
+
 config SOC_AMD_COMMON_BLOCK_HAS_ESPI
    bool
    help