===== I2C =====
\\
==== read i2c addresses ====
=== U-Boot ===
<code>
U-Boot > i2c dev < busnumber >
U-Boot > i2c probe
</code>
++++ example |
<code>
U-Boot > i2c dev 0
U-Boot > i2c probe
</code>
++++

=== Linux ===
<code>
root@MBaXXX:~ i2cdetect <busnumber>
</code>
++++ example |
<code>
root@MBaXXX:~ i2cdetect 1
</code>
++++

==== read eeprom ====
on 
  * **TQMa7x**
  * **TQMa335x**
<code>
U-Boot > i2c dev 0
U-Boot > i2c md 0x50 0x00.2 0x100
</code>
  * **TQMa28**
<code>
TQMa28 U-Boot > i2c dev 1
TQMa28 U-Boot > i2c md 0x50 0x00.2 0x100
</code>
  * **TQMa6ULx**
<code>
U-Boot > i2c dev 3
U-Boot > i2c md 0x50 0x00.2 0x100
</code>
  * **TQMa6x**
    * ++TQMa6x Rev.01xx / TQMa6x Rev.02xx Variant B / TQMa6x Rev.03xx|
<code>
U-Boot > i2c dev 2
U-Boot > i2c md 0x50 0x00.2 0x100
</code>
++
    * ++TQMa6x Rev.02xx Variant A & C|
<code>
U-Boot > i2c dev 0
U-Boot > i2c md 0x50 0x00.2 0x100
</code>
++
  * **TQMLS102xA** 
    * ++TQMLS102xA Rev. ≤ 0202|

<code>
U-Boot > i2c dev 0
U-Boot > i2c md 0x50 0x00.2 0x100
</code>
++
    * ++TQMLS102xA Rev. ≥ 0203|

<code>
U-Boot > i2c dev 0
U-Boot > i2c md 0x54 0x00.2 0x100
</code>
++

You can see in offset 20 the mac-address, in offset 30 the serial number and in offset 40 the TQ short.