W dniu 13.02.2021 o 18:03, admin@xxxxxxxxxxxxxxx pisze:
I am trying to update the SPI on a Pine64 Rockpro64. I have flashed the
SPI with ayufan's uboot, Debian starts. Now I want to flash the SPI with
Fedora's uboot. Here are the steps to load the Fedora uboot on the SPI:
- I made the microSD using the arm-image-installer,
- loaded the microSD in the RockPro,
- entered the command sf probe in the u-boot prompt,
- receive the message
sf probe
Invalid bus 0 (err=-19)
Failed to initialize SPI flash at 0:0 (error -19).
I have tried the erase firmware available from ayufan's repository and
have the same outcome.
Am I grounding the SPI pin too long? Do I need to compile the firmware
with extra config?
Which exactly version of U-Boot you started?
There was 'a moment' in code when RockPro64 used wrong SPI bus by default.
Possible too that you kept SPI ping too long.
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