--- /dev/null
+--- a/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
++++ b/arch/mips/cavium-octeon/executive/cvmx-helper-board.c
+@@ -174,6 +174,8 @@ int cvmx_helper_board_get_mii_address(in
+ return 7 - ipd_port;
+ else
+ return -1;
++ case CVMX_BOARD_TYPE_UBNT_E200:
++ return -1;
+ case CVMX_BOARD_TYPE_KONTRON_S1901:
+ if (ipd_port == CVMX_HELPER_BOARD_MGMT_IPD_PORT)
+ return 1;