diff --git a/debian/changelog b/debian/changelog
index 4c07e7184..a9c3a9e3e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -603,6 +603,7 @@ linux (4.19.26-1) UNRELEASED; urgency=medium
 
   [ YunQiang Su ]
   * [mips r6] Disable JUMP_LABEL for now: it will cause Reserved Instruction.
+    Enable SERIAL_OF_PLATFORM, if not, userland shows nothing.
 
  -- Ben Hutchings <ben@decadent.org.uk>  Tue, 12 Feb 2019 12:49:10 +0000
 
diff --git a/debian/config/kernelarch-mips/config.boston b/debian/config/kernelarch-mips/config.boston
index ba684be70..bc00309a2 100644
--- a/debian/config/kernelarch-mips/config.boston
+++ b/debian/config/kernelarch-mips/config.boston
@@ -16,3 +16,8 @@ CONFIG_FIT_IMAGE_FDT_BOSTON=y
 ##
 CONFIG_COMMON_CLK_BOSTON=y
 
+##
+## file: drivers/tty/serial/8250/Kconfig
+##
+CONFIG_SERIAL_OF_PLATFORM=y
+