Am 16.06.2010 um 16:05 schrieb Carl-Daniel Hailfinger:
>>
>> Calibrating delay loop... OS timer resolution is 1 usecs, 299M loops per
>> second, 10 myus = 11 us, 100 myus = 101 us, 1000 myus = 999 us, 10000 myus =
>> 10113 us, 4 myus = 5 us, OK.
>> Initializing buspirate_spi programmer
>> SPI speed is 8MHz
>> Raw bitbang mode version 1
>> Raw SPI mode version 1
>> Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
>> probe_spi_rdid_generic: id1 0x00, id2 0x00
>>
>
> WTF?!? This looks like data corruption. Such a response is absolutely
> unacceptable. Can you run
>
> flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V
>
> a few times (should be a matter of a few seconds) and check if any
> probe_spi_rdid_generic complains about a parity violation? If yes, there
> is a bug somewhere which needs to be fixed.
Just that one with AT25DF021 (constantly). See:
r...@zwerg:~# date ; flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V|grep vio
Wed Jun 16 20:38:12 CEST 2010
Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
probe_spi_rdid_generic: id1 0x00, id2 0x00
r...@zwerg:~# date ; flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V|grep vio
Wed Jun 16 20:38:17 CEST 2010
Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
probe_spi_rdid_generic: id1 0x00, id2 0x00
r...@zwerg:~# date ; flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V|grep vio
Wed Jun 16 20:38:23 CEST 2010
Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
probe_spi_rdid_generic: id1 0x00, id2 0x00
r...@zwerg:~# date ; flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V|grep vio
Wed Jun 16 20:38:28 CEST 2010
Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
probe_spi_rdid_generic: id1 0x00, id2 0x00
r...@zwerg:~# date ; flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V|grep vio
Wed Jun 16 20:38:34 CEST 2010
Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
probe_spi_rdid_generic: id1 0x00, id2 0x00
r...@zwerg:~# date ; flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V|grep vio
Wed Jun 16 20:38:38 CEST 2010
Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
probe_spi_rdid_generic: id1 0x00, id2 0x00
r...@zwerg:~# date ; flashrom -p buspirate_spi:dev=/dev/ttyUSB0 -V|grep vio
Wed Jun 16 20:38:45 CEST 2010
Probing for Atmel AT25DF021, 256 KB: RDID byte 0 parity violation.
probe_spi_rdid_generic: id1 0x00, id2 0x00
I will give you more updates later tonight.
Cheers,
Daniel
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