Re: [PATCH 8/8] doc: Add RK3288 Documentation

[Sascha Hauer <s.hauer@pengutronix.de>]

On Wed, Jul 20, 2016 at 04:17:45PM +0200, Wadim Egorov wrote:
> Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
> ---
>  Documentation/boards/rk3288.rst            | 57 ++++++++++++++++++++++++++++++
>  Documentation/boards/rk3288/phytec-som.rst | 24 +++++++++++++
>  2 files changed, 81 insertions(+)
>  create mode 100644 Documentation/boards/rk3288.rst
>  create mode 100644 Documentation/boards/rk3288/phytec-som.rst
> 
> diff --git a/Documentation/boards/rk3288.rst b/Documentation/boards/rk3288.rst
> new file mode 100644
> index 0000000..3acca74
> --- /dev/null
> +++ b/Documentation/boards/rk3288.rst
> @@ -0,0 +1,57 @@
> +Rockchip RK3288
> +===============
> +
> +The RK3288 SoC has a two stage boot process. The booting is completed in two
> +consecutive stages. The binary for the 1st stage is referred to as the
> +Secondary Program Loader (SPL). The binary for the 2nd stage is simply referred to
> +as barebox.
> +SPL is a non-interactive loader and is only used to boot the 2nd stage loader.
> +
> +At this moment barebox can only be used as a 2nd stage bootloader.
> +Starting barebox requires another bootloader which will do the very basic
> +SDRAM initialization for us. We can use the u-boot for that.

Do you plan to add SPL support for barebox aswell? From what I see in
the U-Boot source code the Rockchip SoCs seem to be of the nicer SoCs
which do not require that much and complicated setup.

Sascha

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