DOC2000 flash: Do I miss something?

Juergen Beisert jbe at
Mon Mar 23 06:21:21 EDT 2009


On Montag, 23. März 2009, Ravi Vasarla wrote:
> Kindly check the DOC2000 driver which is available under  -> Device
> Drivers-> Memory Technology Devices (MTD)-> Memory Technology Device (MTD)
> support (MTD [=m])-> NAND Flash Device Drivers (Which has recommanded too).
> The below error message due to the way old doc driver implemented.

Ups. With the new driver it seems to work now. Didn't look into the NAND 
submenu, yet.

DiskOnChip found at 0xd8000
DiskOnChip 2000 responds to DWORD access
Detected 1 chips per floor.
NAND device: Manufacturer ID: 0x98, Chip ID: 0x73 (Toshiba NAND 16MiB 3,3V 
ECC error scanning DOC at 0x10000
Found DiskOnChip ANAND Media Header at 0x10000
ECC error scanning DOC at 0x14000
Found DiskOnChip ANAND Media Header at 0x14000
    DataOrgID        = ANAND
    NumEraseUnits    = 1020
    FirstPhysicalEUN = 4
    FormattedSize    = 16334848
    UnitSizeFactor   = 255
Bad block table at page 129, version 0x55
Bad block table at page 161, version 0x55
Found alias of DOC at 0xd8000 to 0xda000
Possible DiskOnChip at 0xe2000 failed TOGGLE test, dropping.

Looks better now ;-)

Thank you very much.


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