Unknown flash chip found: 55 55

[Niki Waibel]

i am playing with the md2802-d08 and i get:
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Sep 12 13:43:51 epiam-1 kernel: Unknown flash chip found: 55 55
Sep 12 13:43:51 epiam-1 kernel: Please report to dwmw2 at infradead.org
===

i doublechecked with my userspace tool and i get the same values
for manuf id and dev id:
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[root at epiam-1 root]#
/home/niki/packages/freebios-20030910.new/util/flash_and_burn/flash_rom -r xxx
Calibrating timer since microsleep sucks ... takes a second
Setting up microsecond timing loop
118M loops per second
OK, calibrated, now do the deed
Enabling flash write on VT8235...OK
Trying Am29F040B, 512 KB
probe_29f040b: id1 0x55, id2 0xaa
Trying At29C040A, 512 KB
probe_jedec: id1 0x55, id2 0xaa
Trying Mx29f002, 256 KB
probe_29f002: id1 85, id2 170
Trying SST29EE020A, 256 KB
probe_jedec: id1 0x55, id2 0xaa
Trying SST28SF040A, 512 KB
probe_28sf040: id1 0x55, id2 0xaa
Trying SST39SF020A, 256 KB
probe_39sf020: id1 0x55, id2 0xaa
Trying SST39VF020, 256 KB
probe_39sf020: id1 0x55, id2 0xaa
Trying W29C011, 128 KB
probe_jedec: id1 0x55, id2 0xaa
Trying W29C020C, 256 KB
probe_jedec: id1 0x55, id2 0xaa
Trying W49F002U, 256 KB
probe_49f002: id1 0x55, id2 0xaa
Trying M29F400BT, 512 KB
probe_m29f400bt: id1 0x55, id2 0x10
Trying 82802ab, 512 KB
probe_82802ab: id1 0x55, id2 0xaa
Trying 82802ac, 1024 KB
probe_82802ab: id1 0xff, id2 0xff
Trying MD-2802 (M-Systems DiskOnChip Millennium Module), 8 KB
probe_md2802:
probe_md2802: *******************************
probe_md2802: * THIS IS A PRE ALPHA VERSION *
probe_md2802: * IN THE DEVELOPEMENT *********
probe_md2802: * PROCESS RIGHT NOW. **********
probe_md2802: *******************************
probe_md2802: * IF YOU ARE NOT A DEVELOPER **
probe_md2802: * THEN DO NOT TRY TO READ OR **
probe_md2802: * WRITE TO THIS DEVICE ********
probe_md2802: *******************************
probe_md2802:
probe_md2802: switching on reset mode ...
probe_md2802: switching on reset mode ... done
probe_md2802: switching off reset mode ...
probe_md2802: switching off reset mode ... done
probe_md2802:
probe_md2802: switching off write protection ...
probe_md2802: switching off write protection ... done
probe_md2802:
probe_md2802: IPL_0x0000: 0x55
probe_md2802: IPL_0x0001: 0xaa
probe_md2802: IPL_0x0002: 0x10
probe_md2802: IPL_0x0003: 0xeb
probe_md2802:
probe_md2802: ChipID: 0x30
probe_md2802: DOCStatus: 0x01
probe_md2802: FloorSelect: 0x00
probe_md2802: CDSNControl: 0x80
probe_md2802: CDSNDeviceSelect: 0x00
probe_md2802: ECCConfiguration: 0x82
probe_md2802: CDSNSlowIO: 0x82
probe_md2802: ECCSyndrome0: 0xff
probe_md2802: ECCSyndrome1: 0x00
probe_md2802: ECCSyndrome2: 0xff
probe_md2802: ECCSyndrome3: 0xff
probe_md2802: ECCSyndrome4: 0xff
probe_md2802: ECCSyndrome5: 0xff
probe_md2802: AliasResolution: 0x00
probe_md2802: ConfigurationInput: 0x01
probe_md2802: ReadPipelineInitialization: 0x01
probe_md2802: LastDataRead: 0x55
probe_md2802:
probe_md2802: checking ECCConfiguration toggle bit
probe_md2802: 0x01 0x00 0x01 0x00 0x01 0x00 0x01 0x00 0x01 0x00
probe_md2802: toggle result: 0/5
MD-2802 (M-Systems DiskOnChip Millennium Module) found at physical address:
0xffffe000
Part is MD-2802 (M-Systems DiskOnChip Millennium Module)
Reading Flash...read_md2802: nand maf: 0x55; nand dev: 0x55
done
[root at epiam-1 root]# 
===

any ideas?

niki