eeprom driver

Mark D. Studebaker mds at paradyne.com
Sun Feb 3 19:31:52 CET 2002


The print_eeprom() code in prog/sensors/chips.c will only
print out the SDRAM information if the chip is
coded as an SDRAM, that is, location 0x02 contains 0x04.

If you send the output of either i2cdump or cat
/proc/sys/dev/sensors/*eeprom*/*
we can look at it.

mds


Jean Delvare wrote:
> 
> I have been testing many things about my eeprom driver issue.
> 
> Tried reading 256 bytes instead of 128, in case both memory slots would
> have been "serialized" in some way. No result.
> 
> Tried reading more than 256 bytes (320) to see if there were something
> intersting there. In fact, it seems that we are wrapped back to offset 0
> when moving past 256. No result.
> 
> Tried two other addresses detected on my i2c bus (namely 30 and 37). No
> result (except turning the power off.)
> 
> Another thing to notice is that when I swap my two memory modules, the
> (wrong) data at address 57 doesn't change at all.
> 
> My conclusion is that address 57 is *not* the secondary slot, which may be
> simply not reachable. Maybe I will ask Sony people about that, but I doubt
> I will obtain any information.
> 
> Thanks for your attention.
> 
> --
>        /~~       Jean "Khali" Delvare
>   -----\_                        mail: delvare at ensicaen.ismra.fr
>  --------\                http://www.ensicaen.ismra.fr/~delvare/
> ---=ISMRA/- ____________________________________________________



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