/pmon-ls2k1000la

PMON Bootloader for Loongson 2K1000LA

PMON Bootloader for Loongson 2K1000LA Boards

LoongArch Port in loongson-22.09 branch found via Loongson participated competition 嵌入式芯片与系统设计竞赛
Original tarball pmon-2k1000la.tar.gz have only one tag v0.3 and no branches, with unstaged changes, so commit them seperately.