[PATCH V2 2/7] riscv: kconfig: introduce SPL_LOAD_FIT_OPENSBI_OS_BOOT symbol

[Simon Glass]

On Wed, 11 Oct 2023 at 23:42, Randolph <randolph at andestech.com> wrote:
>
> Introduce common Kconfig symbol for riscv architecture.
> This symbol SPL_LOAD_FIT_OPENSBI_OS_BOOT is like falcon mode on ARM,
> the Falcon boot is a shortcut boot method for SD/eMMC targets. It
> skips the loading the RAM version U-Boot. Instead, it will loads
> the FIT image and boots directly to Linux.
>
> When SPL_OPENSBI_OS_BOOT is enabled, linux.itb is created after
> compilation instead of the default u-boot.itb. It initialises memory
> with the U-Boot SPL at the first stage, just as a normal boot process
> does at the beginning. Instead of jumping to the U-Boot proper from
> OpenSBI before booting the Linux kernel, the RISC-V falcon mode
> process jumps directly to the Linux kernel to gain shorter booting time.
>
> Signed-off-by: Randolph <randolph at andestech.com>
> ---
>  arch/riscv/Kconfig | 8 ++++++++
>  1 file changed, 8 insertions(+)
>

Reviewed-by: Simon Glass <sjg at chromium.org>