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

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@gmail.com Signed-off-by: Jagan Teki jagan@amarulasolutions.com

Reviewed-by: Kever Yang kever.yang@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@amarulasolutions.com -.. Sunday 24 May 2020 10:08:41 PM IST +.. Tuesday 02 June 2020 12:18:57 AM IST