[PATCH v3 2/6] sifive: fu540: Add Booting from SPI

[Bin Meng]

On Fri, Jun 5, 2020 at 4:40 AM Jagan Teki <jagan at amarulasolutions.com> wrote:
>
> Add booting from SPI for SiFive Unleashed board.
>
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> ---
> Changes for v3:
> - updated based on master
>
>  arch/riscv/cpu/fu540/Kconfig                  |  2 +
>  .../dts/hifive-unleashed-a00-u-boot.dtsi      | 12 ++++++
>  configs/sifive_fu540_defconfig                |  4 ++
>  doc/board/sifive/fu540.rst                    | 41 +++++++++++++++++++
>  4 files changed, 59 insertions(+)
>
> diff --git a/arch/riscv/cpu/fu540/Kconfig b/arch/riscv/cpu/fu540/Kconfig
> index e9302e87c0..7a813a9ac8 100644
> --- a/arch/riscv/cpu/fu540/Kconfig
> +++ b/arch/riscv/cpu/fu540/Kconfig
> @@ -5,6 +5,8 @@
>  config SIFIVE_FU540
>         bool
>         select ARCH_EARLY_INIT_R
> +       imply BOARD
> +       imply BOARD_FU540

These 2 are not needed in v3.

>         imply CPU
>         imply CPU_RISCV
>         imply RISCV_TIMER
> diff --git a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
> index 303806454b..4b2b242deb 100644
> --- a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
> +++ b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
> @@ -12,6 +12,10 @@
>                 spi2 = &qspi2;
>         };
>
> +       config {
> +               u-boot,spl-payload-offset = <0x105000>; /* loader2 @1044KB */
> +       };
> +
>         hfclk {
>                 u-boot,dm-spl;
>         };
> @@ -22,6 +26,14 @@
>
>  };
>
> +&qspi0 {
> +       u-boot,dm-spl;
> +
> +       flash at 0 {
> +               u-boot,dm-spl;
> +       };
> +};
> +
>  &qspi2 {
>         mmc at 0 {
>                 u-boot,dm-spl;

Other than above,
Reviewed-by: Bin Meng <bin.meng at windriver.com>
Tested-by: Bin Meng <bin.meng at windriver.com>