diff --git a/meta-witherspoon/conf/machine/swift.conf b/meta-witherspoon/conf/machine/swift.conf
index 23d2d0f..4a84b0c 100644
--- a/meta-witherspoon/conf/machine/swift.conf
+++ b/meta-witherspoon/conf/machine/swift.conf
@@ -11,3 +11,8 @@
 
 # 128MB flash size
 FLASH_SIZE = "131072"
+
+# 32MB read-write filesystem
+FLASH_UBI_RWFS_SIZE ?= "32768"
+FLASH_UBI_RWFS_TXT_SIZE ?= "32MiB"
+BMC_RW_SIZE = "0x2000000"