[PATCH v2 0/2] riscv: Support booting SiFive Unmatched from SPI flash.

This patch set adds support for booting the SiFive Unmatched board from SPI flash memory and saving the environment to flash.

Thomas Skibo (2): riscv: Support booting SiFive Unmatched from SPI. riscv: Enable SPI flash env for SiFive Unmatched.

arch/riscv/cpu/fu740/Kconfig | 13 +++++++++ .../dts/hifive-unmatched-a00-u-boot.dtsi | 11 +++++++ board/sifive/unmatched/Kconfig | 1 + board/sifive/unmatched/spl.c | 3 ++ configs/sifive_unmatched_defconfig | 6 ++++ doc/board/sifive/unmatched.rst | 29 +++++++++++++++++++ 6 files changed, 63 insertions(+)