Fix problem with A-Data 2GB microSD card - Revisited

Andy Green andy at openmoko.com
Sun May 11 21:39:15 CEST 2008


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Somebody in the thread at some point said:

|> The best way I heard to explain it yet is just a mismatch between the
|> worst case slowness of that card and the biggest timeout the Glamo can
|> express at the faster clock rates.  If the timeout register had another
|> nybble in its counter we would just have set it to FFFF and forgotten
|> about it.

| Ah, OK. Could this also be related to the length of the transfer? What
| if I reduce the number of blocks that can be read/written at once?
| Something with req_size or seg_size?

Maybe... but I seem to recall they are all quite modest, 4096 bytes or
something (dim memory though).

- -Andy
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