[flashrom] AMIC A25L40P{B,U}

Rudolf Marek r.marek at assembler.cz
Mon Jul 12 21:52:01 CEST 2010


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> What happens if you try to selectively write or erase only the bottom 4
> KB of each chip?

Well I tried to write there 512KB of zeros using -c A25L40PT with PT chip
then erase with -E -c A25L40PT

This works fine. Same with PU chip with -c A25L40PU. However if there is some
combination of non-agreeing chips/params I got hard lockup of whole computer.


With PU chip, written all 0's with right switch and then erasing PT param:

ruiktest:~/flashrom#  ./flashrom -VE -c A25L40PT
Erasing flash chip... Looking at blockwise erase function 0... trying...
0x000000-0x00ffff, ERASE FAILED at 0x00001000! Expected=0xff, Read=0x00, failed
byte count from 0x00000000-0x0000ffff: 0xf000
ERASE FAILED!

Looking at blockwise erase function 1... trying... 0x000000-0x07ffff,

<hang>

It hangs pretty solid, keyboard non-responsive.

Thanks,
Rudolf
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