DID it!!
Firmware was older than supported in OFED/MLNX_OFED (2.11) .. if someone needs I can pass the .iso created (or has a server disponible to be avaliable).
---- Performing Adapter Device Self Test ----
Number of CAs Detected ................. 1
PCI Device Check ....................... PASS
Kernel Arch ............................ x86_64
Host Driver Version .................... MLNX_OFED_LINUX-1.5.3-3.1.0 (OFED-1.5.3-3.1.0): 2.6.32-358.el6.x86_64
Host Driver RPM Check .................. PASS
Firmware on CA #0 VPI .................. v2.10.4700
Firmware Check on CA #0 (VPI) .......... NA
REASON: NO required fw version
Host Driver Initialization ............. PASS
Number of CA Ports Active .............. 0
Port State of Port #1 on CA #0 (VPI)..... DOWN (InfiniBand)
Error Counter Check on CA #0 (VPI)...... PASS
Kernel Syslog Check .................... PASS
Node GUID on CA #0 (VPI) ............... 00:25:90:ff:ff:07:f4:50
------------------ DONE ---------------------
