On Fri, May 18, 2018 at 1:18 PM, Jesse Abella <j.abella2...@gmail.com> wrote:
> Is it possible to modify the contents of the embeddedd eeprom on the
> pocketbeagle? When I get into uBoot I issue the command:
> => i2c md 0x50 00.2 0x20
> 0000: aa 55 33 ee 41 33 33 35 50 42 47 4c 30 30 41 32    .U3.A335PBGL00A2
> 0010: 31 37 34 34 47 50 42 31 31 35 39 38 ff ff ff ff
> 1744GPB11598....
>
> which shows the header uboot checks for when going through the boot process.
> If I wanted to modify this header through i2c commands in uboot is it
> possible? I try issuing => i2c mw 0x50 00.2 0xbb to change the first two
> bytes of the eeprom but when I read it back the original data is shown.
> Thanks

GND the write-protect...

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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