Spi Nor Flash Test - Advantech RSB-4221 User Manual

Risc 3.5inch sbc based on ti sitara am3358 cortex a8 1ghz high performance processor

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Step 3: Erase and check

#dd if=/dev/zero of=/dev/block/mmcblk1 bs=1024 count=1 seek=25118

1+0 records in

1+0 records out

#hexdump -C /dev/block/mmcblk1 -s 25720832 -n 16

01887800 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|

Step 4: Write and check

#echo -n "0123456789ABCDEF" | dd of=/dev/block/mmcblk1bs=1024 count=1

seek=25118

0+1 records in

0+1 records out

#busyboxhexdump -C /dev/block/mmcblk1 -s 25720832 -n 16

01887800

|0123456789ABCDEF|

Note!

Please make sure parameter "seek" is equal to 25118 as indicated in

the above codes. If you create the file to a wrong sector, that may dam-

age the system.

3.5

SPI Nor Flash Test

#AutoRun_spi.sh

####################---SPI Test for AM335X----##################

the spifalsh info:

mtd.type = MTD_NORFLASH

mtd.flags = MTD_CAP_NORFLASH

mtd.size = 4194304 (4M)

mtd.erasesize = 4096 (4K)

mtd.writesize = 1

mtd.oobsize = 0

regions = 0

Erased 4096 bytes from address 0x00030000 in flash

Copied 4096 bytes from address 0x00030000 in flash to temp.img

0000000 ffffffffffffffffffffffffffffffff

0001000

RSB-4221 User Manual

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