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Subject
- Posted on
June 28, 2007, 7:00 am

Hi all,
I've a self designed motherboard based on MXL demoboard, with embedded
sd-card reader.
I've installed linux 2.4.26-vrs1-mx1ads_0406251307.
My problem is that I can read only sd-card up to 1Gb, when I insert a
Sandisk 2Gb sd, I get this error:
Partition check:
mmca:end_request: I/O error, dev fa:00 (mmc), sector 0
end_request: I/O error, dev fa:00 (mmc), sector 2
end_request: I/O error, dev fa:00 (mmc), sector 4
end_request: I/O error, dev fa:00 (mmc), sector 6
end_request: I/O error, dev fa:00 (mmc), sector 0
end_request: I/O error, dev fa:00 (mmc), sector 2
end_request: I/O error, dev fa:00 (mmc), sector 4
end_request: I/O error, dev fa:00 (mmc), sector 6
unable to read partition table
Could someone help me?
Thanks
Best regards
I've a self designed motherboard based on MXL demoboard, with embedded
sd-card reader.
I've installed linux 2.4.26-vrs1-mx1ads_0406251307.
My problem is that I can read only sd-card up to 1Gb, when I insert a
Sandisk 2Gb sd, I get this error:
Partition check:
mmca:end_request: I/O error, dev fa:00 (mmc), sector 0
end_request: I/O error, dev fa:00 (mmc), sector 2
end_request: I/O error, dev fa:00 (mmc), sector 4
end_request: I/O error, dev fa:00 (mmc), sector 6
end_request: I/O error, dev fa:00 (mmc), sector 0
end_request: I/O error, dev fa:00 (mmc), sector 2
end_request: I/O error, dev fa:00 (mmc), sector 4
end_request: I/O error, dev fa:00 (mmc), sector 6
unable to read partition table
Could someone help me?
Thanks
Best regards

Re: 2Gb SD Card on Freescale MXL arm9 based board

Seems he tries to read sector
0 instead of 1 GB + 0
2 instead of 1 GB + 2
etc.

Do you address all of the mmc or only the first GB of memory?
It looks like a "wrap around" the 8086 had (when addressing more than 1 Meg
it wrapped around to the first 64 KB of memory because of missing address
lines).
Don't hit me if I'm wrong.
Regards,
Sebastian
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