diff --git a/src/soc/amd/common/block/lpc/Kconfig b/src/soc/amd/common/block/lpc/Kconfig
index 76f4ec7ac3..64192695c6 100644
--- a/src/soc/amd/common/block/lpc/Kconfig
+++ b/src/soc/amd/common/block/lpc/Kconfig
@@ -16,12 +16,20 @@ config SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA
 	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