Specifications

MMC write: dev # 0, block # 583, count 16 ... 16 blocks write: OK

=> mmc read 0x42000000 247 10

MMC read: dev # 0, block # 583, count 16 ... 16 blocks read: OK

=> md 0x42000000

42000000: 00000000 00000000 00000000 00000000 ................

42000010: 00000000 00000000 00000000 00000000 ................

42000020: 00000000 00000000 00000000 00000000 ................

42000030: 00000000 00000000 00000000 00000000 ................

42000040: 00000000 00000000 00000000 00000000 ................

42000050: 00000000 00000000 00000000 00000000 ................

42000060: 00000000 00000000 00000000 00000000 ................

42000070: 00000000 00000000 00000000 00000000 ................

42000080: 00000000 00000000 00000000 00000000 ................

42000090: 00000000 00000000 00000000 00000000 ................

420000a0: 00000000 00000000 00000000 00000000 ................

420000b0: 00000000 00000000 00000000 00000000 ................

420000c0: 00000000 00000000 00000000 00000000 ................

420000d0: 00000000 00000000 00000000 00000000 ................

420000e0: 00000000 00000000 00000000 00000000 ................

420000f0: 00000000 00000000 00000000 00000000 ................

if you have a dos partition on the device, you can list the content with:

=> fatls mmc 0:2 /

2340744 uimage

5410 env.txt

1152054 img1.bmp

1152054 img.bmp

233738 slide-1.bmp

1152054 slide-2.bmp

1152054 slide-3.bmp

1152054 slide-4.bmp

1152054 slide-5.bmp

1152054 slide-6.bmp

1152054 slide-7.bmp

1152054 slide-8.bmp

3754 env.txt.old

29 date_of_creation

29 date_of_modification

1024 random.hex

16 file(s), 0 dir(s)

and load a file in RAM with:

=> fatload mmc 0:2 0x42000000 date_of_creation

reading date_of_creation

29 bytes read

=> md 0x42000000

42000000: 20657554 2074634f 31203220 34343a35 Tue Oct 2 15:44

42000010: 2035353a 20435455 32313032 0000000a :55 UTC 2012....