[PATCH v2 4/4] doc: rockchip: Document SPI flash program steps

[Kever Yang]

On 2020/6/2 上午4:42, Jagan Teki wrote:
> Document SPI flash program steps for rockchip platforms.
>
> Suggested-by: Hugh Cole-Baker <sigmaris at gmail.com>
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>

Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   doc/board/rockchip/rockchip.rst | 26 +++++++++++++++++++++++++-
>   1 file changed, 25 insertions(+), 1 deletion(-)
>
> diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
> index 7b72fab496..76b228a046 100644
> --- a/doc/board/rockchip/rockchip.rst
> +++ b/doc/board/rockchip/rockchip.rst
> @@ -162,6 +162,30 @@ Program the flash::
>   Note: for rockchip 32-bit platforms the U-Boot proper image
>   is u-boot-dtb.img
>   
> +SPI
> +^^^
> +
> +Generating idbloader for SPI boot would require to input a multi image
> +image format to mkimage tool instead of concerting (like for MMC boot).
> +
> +SPL-alone SPI boot image::
> +
> +        ./tools/mkimage -n rk3399 -T rkspi -d spl/u-boot-spl.bin idbloader.img
> +
> +TPL+SPL SPI boot image::
> +
> +        ./tools/mkimage -n rk3399 -T rkspi -d tpl/u-boot-tpl.bin:spl/u-boot-spl.bin idbloader.img
> +
> +Copy SPI boot images into SD card and boot from SD::
> +
> +        sf probe
> +        load mmc 1:1 $kernel_addr_r idbloader.img
> +        sf erase 0 +$filesize
> +        sf write $kernel_addr_r 0 ${filesize}
> +        load mmc 1:1 ${kernel_addr_r} u-boot.itb
> +        sf erase 0x60000 +$filesize
> +        sf write $kernel_addr_r 0x60000 ${filesize}
> +
>   TODO
>   ----
>   
> @@ -171,4 +195,4 @@ TODO
>   - Add missing SoC's with it boards list
>   
>   .. Jagan Teki <jagan at amarulasolutions.com>
> -.. Sunday 24 May 2020 10:08:41 PM IST
> +.. Tuesday 02 June 2020 12:18:57 AM IST