Hi Marek,
On 1/24/25 11:04 AM, Marek Belisko via lists.yoctoproject.org wrote:
Hello,
I'm trying to add support for rk3328-evb. I've added a machine and built a
minimal image which I would like to flash to emmc. For flashing I'm usually
using rkdeveloptool which download some binary blok (loader) and then can
flash wic image (at least I'm doing that for radxa boards). Does anybody
have an idea where I can find such loader pls? I've tried this :
https://xdaforums.com/attachments/for-rk3328-devices-rar.5168743/ but none
of them works (it prints: Opening loader failed, exiting download boot!).
I've tried to use MiniLoaderAll.bin from the vendor but this one just
prints some garbage to the serial port and I cannot download wic after that.
I do not have any RK3328 board available, but the instructions so far
are the same for RK3399, PX30 and RK3588 (the boards I do have access to).
https://github.com/rockchip-linux/rkbin
tools/boot_merger RKBOOT/RK3328MINIALL.ini
This will generate an rk3328_loader_v1.21.250.bin file at the root of
rkbin directory. Use that as argument for `rkdeveloptool db` command.
If your board is using a different baudrate or console mux/controller,
you can modify its configuration for the DDR bin blob (first stage
bootloader contained in rk3328_loader_*.bin) by editing
tools/ddrbin_param.txt and then calling tools/ddrbin_tool.py rk3328 on
bin/rk33/rk3328_ddr_*.bin. Since there are two, you need to know which
one to edit. Reading RKBOOT/RK3328MINIALL.ini, the 333MHz one is used.
FYI, you can also replace rkdeveloptool with rockusb from Collabora,
available here:
https://github.com/collabora/rockchiprs/tree/main/rockusb/examples What
I like about it is that it handles bmap files for flashing on the eMMC :)
Cheers,
Quentin
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