diff --git a/src/southbridge/amd/cimx/sb800/Kconfig b/src/southbridge/amd/cimx/sb800/Kconfig
index 17ff3f9d68..79624e00c4 100644
--- a/src/southbridge/amd/cimx/sb800/Kconfig
+++ b/src/southbridge/amd/cimx/sb800/Kconfig
@@ -111,6 +111,15 @@ config RAID_MISC_ROM_FILE
         default "site-local/sb800/misc.bin"
 	depends on SB800_SATA_RAID
 
+config RAID_MISC_ROM_POSITION
+	hex "RAID Misc ROM Position"
+	default 0xFFF00000
+	depends on SB800_SATA_RAID
+	help
+	  The RAID ROM requires that the MISC ROM is located between the range
+	  0xFFF0_0000 to 0xFFF0_FFFF. Also, it must 1K bytes aligned.
+	  The CONFIG_ROM_SIZE must larger than 0x100000.
+
 endif
 
 endif #SOUTHBRIDGE_AMD_CIMX_SB800
diff --git a/src/southbridge/amd/cimx/sb800/Makefile.inc b/src/southbridge/amd/cimx/sb800/Makefile.inc
index 30c0d39e44..48b198d0cb 100644
--- a/src/southbridge/amd/cimx/sb800/Makefile.inc
+++ b/src/southbridge/amd/cimx/sb800/Makefile.inc
@@ -48,5 +48,6 @@ ifeq ($(CONFIG_SB800_SATA_RAID), y)
 
 	cbfs-files-y += raid/misc.bin
 	raid/misc.bin-file := $(call strip_quotes,$(CONFIG_RAID_MISC_ROM_FILE))
+	raid/misc.bin-position := $(CONFIG_RAID_MISC_ROM_POSITION)
 	raid/misc.bin-type := raw
 endif