Commit 43ed7a09 authored by Jagan Teki's avatar Jagan Teki Committed by Kever Yang
Browse files

doc: rockchip: Document Rockchip miniloader flashing

This would be useful and recommended boot flow for new boards
which has doesn't have the DDR support yet in mainline.

Sometimes it is very useful for debugging mainline DDR support.

Documen it for px30 boot flow.
Signed-off-by: Jagan Teki's avatarJagan Teki <>
Reviewed-by: Kever Yang<>
parent 51656ae1
......@@ -123,6 +123,9 @@ To build rk3399 boards::
1. Package the image with U-Boot TPL/SPL
SD Card
......@@ -187,6 +190,39 @@ Copy SPI boot images into SD card and boot from SD::
sf erase 0x60000 +$filesize
sf write $kernel_addr_r 0x60000 ${filesize}
2. Package the image with Rockchip miniloader
Image package with Rockchip miniloader requires robin [1].
Create idbloader.img
.. code-block:: none
cd u-boot
./tools/mkimage -n px30 -T rksd -d rkbin/bin/rk33/px30_ddr_333MHz_v1.15.bin idbloader.img
cat rkbin/bin/rk33/px30_miniloader_v1.22.bin >> idbloader.img
sudo dd if=idbloader.img of=/dev/sda seek=64
Create trust.img
.. code-block:: none
cd rkbin
./tools/trust_merger RKTRUST/PX30TRUST.ini
sudo dd if=trust.img of=/dev/sda seek=24576
Create uboot.img
.. code-block:: none
rbink/tools/loaderimage --pack --uboot u-boot-dtb.bin uboot.img 0x200000
sudo dd if=uboot.img of=/dev/sda seek=16384
1. 0x200000 is load address and it's an optional in some platforms.
2. rkbin binaries are kept on updating, so would recommend to use the latest versions.
......@@ -195,5 +231,7 @@ TODO
- Document SPI flash boot
- Add missing SoC's with it boards list
.. Jagan Teki <>
.. Tuesday 02 June 2020 12:18:57 AM IST
.. Wednesday 28 October 2020 06:47:26 PM IST
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