diff --git a/src/soc/amd/genoa/Kconfig b/src/soc/amd/genoa/Kconfig
index b73b53c..c4f8a9d 100644
--- a/src/soc/amd/genoa/Kconfig
+++ b/src/soc/amd/genoa/Kconfig
@@ -7,7 +7,6 @@
 	def_bool y
 	select ARCH_X86
 	select HAVE_EXP_X86_64_SUPPORT
-	select NO_ECAM_MMCONF_SUPPORT
 	select RESET_VECTOR_IN_RAM
 	select SOC_AMD_COMMON
 	select SOC_AMD_COMMON_BLOCK_ACPIMMIO
@@ -75,6 +74,14 @@
 	help
 	  Sets the size of DRAM allocation for romstage in linker script.
 
+config ECAM_MMCONF_BASE_ADDRESS
+	hex
+	default 0xE0000000
+
+config ECAM_MMCONF_BUS_NUMBER
+	int
+	default 256
+
 menu "PSP Configuration Options"
 
 config AMDFW_CONFIG_FILE