Support for Renesas Arm families was added in commit1ff4f4df23("armsr: armv8: enable CONFIG_ARCH_RENESAS"), but this did not enable the console/tty hardware for these SoCs, which is derived from the SuperH family (CONFIG_SERIAL_SH_SCI). Link: https://github.com/openwrt/openwrt/issues/15284 Signed-off-by: Mathew McBride <matt@traverse.com.au> (cherry picked from commit683355d0a6) Link: https://github.com/openwrt/openwrt/pull/15808 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>