NELK Version: 4The variables listed on the following table applies to Naon, Maya and Dido SOMs.0.0

<pre>{| class="wikitable" | eth0| align="center" style=xx"background:xx#f0f0f0;"|'''Variable'''| align="center" style="background:xx#f0f0f0;"|'''Values'''| align="center" style="background:xx#f0f0f0;"|'''Description'''| align="center" style="background:xx:xx #f0f0f0;"|'''Notes'''|-| eth0<br>eth1=| xx:xx:xx:xx:xx:xx| MAC address for both eth0 and eth1 interfaces| Available with NELK 4.0.0 and above|-| dual_emac=| 0 - 1 [0/: CPSW switch mode - 1 kernel: CPSW dual EMAC mode] | Configures CPSW mode | Available with NELK 4.0.0 and above|-| cpsw | 0 - 1 [0|: phy 6 -> 100Mbit Naon module - 1: phy 1-> 1Gbit external phy]| Selects primary phy for networking operations in U-Boot | Available with NELK 2.0.0 and above<br>External phy available on Naon-EVB-Lite and Naon-EVB-Mid|-| giga | on [on: gigabit] | Selects gigabit speed on gigabit link | Available with NELK 2.0.0 and above|-| naon_host| Naon: [evb_mid - evb_lite]<br>Maya: [maya_naon_evb_lite]<br> Dido: [evb_mid - evb_lite]| Selects carrier board pinmux| Available with NELK 2.0.0 and above</prebr>Please refer to U-Boot source tree for the available pinmux|-|+ align="bottom" style="caption-side: bottom" | U-Boot specific variables for Naon-family SOMs|}

=== Maya Dido ===

<pre>naon_host=</pre> === The following variables applies to Dido ===CPU module. Please note that the this variables refers to U-Boot and Linux provided with NELK version 4.0.0.

addmem = 'setenv bootargs ${bootargs} mem 364M mem=320M@0x9fc00000 mem=1020M@0xc0000000 vmalloc=500Mnaon_host=' - Dido 2 GB memory