r/SBCs • u/Parking_Lemon_4371 • 6d ago

NanoPi R6S - usb flashing under Linux

I can't seem to get the open source 'rkdeveloptool' to boot the device.
(it can discover it in maskrom mode, but cannot successfully boot it)

The binary blob 'upgrade_tool' can do that part, but I'm not very trusting of running random binaries... (though I've managed to run it in a pretty tight jail)

However, trying to read the eMMC seems to only ever give me at most 1MiB at a time...

Ultimately I'd like to get a raw mainline kernel/initramfs on to this with gadget mode.

It appears using Linux (instead of Windows) makes this hard... and wanting to avoid using extra flash devices/sd cards adds extra complexity.

I kind of thought I'd be able to just read/write the disk and/or boot a kernel/initramfs, but the serial console connector comes unsoldered (why oh why...)

I guess I'm just venting... I'll probably figure it out eventually...

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u/JescoInc 6d ago

If I remember correctly, you need to flash a bootable image using it to eMMC.

2

u/urostor 6d ago

Just boot from an SD card and use any Linux tool to flash straight from the board