[U-Boot] AT91SAM9xxx SDCard/MMC support?
Reinhard Meyer (-VC)
reinhard.meyer at emk-elektronik.de
Thu Jul 1 13:19:55 CEST 2010
Reinhard Meyer (-VC) schrieb:
> TOP9000> mmc init
> Manufacturer ID: 19
> OEM/Application ID: 4459
> Product name: SMISD
> Product Revision: 1.0
> Product Serial Number: 29683
> Manufacturing Date: 05/04
> SD Card detected (RCA 45928)
> CSD data: 005e0032 1f5983d0 6db7bf9f 96400005
> CSD structure version: 1.2
> MMC System Spec version: 12
> Card command classes: 3d0
> Read block length: 256
> Supports partial reads
> Write block length: 1
> Does not support partial writes
> Does not support group WP
> Card capacity: 131072000 bytes
> File format: 1/2
> Write protection: permanent
> Card does not support 512 byte reads, aborting.
> No MMC card found
on AVR32 the ouput is:
top7000> mmc init
Manufacturer ID: 19
OEM/Application ID: 4459
Product name: SMISD
Product Revision: 1.0
Product Serial Number: 29683
Manufacturing Date: 05/04
SD Card detected (RCA 45928)
CSD data: 005e0032 1f5983d0 6db7bf9f 96400005
CSD structure version: 1.0
MMC System Spec version: 0
Card command classes: 1f5
Read block length: 512
Supports partial reads
Write block length: 512
Does not support partial writes
Supports group WP: 32
Card capacity: 1023934464 bytes
File format: 0/0
Write protection:
mmc: Using 262144 cycles data timeout (DTOR=0x64)
*** the CSD Data is the same, the interpretation of
non-byte values is different. Looks like an alignment
or byteswap issue...
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