0694dabe97
This adds the SiFive SPI controller model for the FU540 SoC. The direct memory-mapped SPI flash mode is unsupported. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210126060007.12904-4-bmeng.cn@gmail.com Signed-off-by: Alistair Francis <alistair.francis@wdc.com>