a7240d1e4a
This provides a RISC-V Board compatible with the the SiFive Freedom U SDK. The following machine is implemented: - 'sifive_u'; CLINT, PLIC, UART, device-tree Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu> Signed-off-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Michael Clark <mjc@sifive.com>