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doc: rockchip: Document eMMC program steps

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Document eMMC partition creation and program steps for
rockchip platforms.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jagan Teki 2020-05-24 23:02:13 +05:30 • committed by Kever Yang
parent eda7143946
commit 7e01363df3
1 changed files with 30 additions and 2 deletions
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32
doc/board/rockchip/rockchip.rst
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@ -117,14 +117,42 @@ To write an image that boots from an SD card (assumed to be /dev/sda)::
sudo dd if=u-boot-rockchip.bin of=/dev/sda seek=64
sync
eMMC
^^^^
eMMC flash would probe on mmc0 in most of the rockchip platforms.
Create GPT partition layout as defined in configurations::
mmc dev 0
gpt write mmc 0 $partitions
Connect the USB-OTG cable between host and target device.
Launch fastboot at target::
fastboot 0
Upon successful gadget connection,host show the USB device like::
lsusb
Bus 001 Device 020: ID 2207:330c Fuzhou Rockchip Electronics Company RK3399 in Mask ROM mode
Program the flash::
sudo fastboot -i 0x2207 flash loader1 idbloader.img
sudo fastboot -i 0x2207 flash loader2 u-boot.itb
Note: for rockchip 32-bit platforms the U-Boot proper image
is u-boot-dtb.img
TODO
----
- Add rockchip idbloader image building
- Add rockchip TPL image building
- Document SPI flash boot
- Describe steps for eMMC flashing
- Add missing SoC's with it boards list
.. Jagan Teki <jagan@amarulasolutions.com>
.. Fri Jan 10 00:08:40 IST 2020
.. Sunday 24 May 2020 10:08:41 PM IST