diff --git a/src/soc/amd/picasso/Kconfig b/src/soc/amd/picasso/Kconfig
index 842ba0c..4759f01 100644
--- a/src/soc/amd/picasso/Kconfig
+++ b/src/soc/amd/picasso/Kconfig
@@ -199,6 +199,13 @@
 	  ACPI Boot Error Record Table.  This option reserves an 8MB region
 	  for building the error structures.
 
+config ACPI_BERT_SIZE
+	hex
+	default 0x4000
+	help
+	  Specify the amount of DRAM reserved for gathering the data used to
+	  generate the ACPI table.
+
 config RO_REGION_ONLY
 	string
 	depends on CHROMEOS