NXP Semiconductors Layerscape LS1028A BSP - Page 90

switch
swp3
swp0
swp1
swp2
swp4
swp5
eno2 eno3
eno0
eno1
SGMII
x
QSGMII
RGMII
Figure 5. Linux network interfaces on RDB
RDB port QDS port Linux netdev PCI function Comments
1G MAC1
Top port with SGMII
add-on card in slot 1
Single port of SXGMII
add-on card in slot 1
eno0
0000:00:00.0
N/A On-board port
eno1
0000:00:00.1
RGMII interface is not
present on RDB board
and the associated
ENETC interface is
disabled in device tree:
&enetc_port1 {
status = "disabled";
};
On QDS this requires
an RCW that explicitly
enables RGMII (bits
833-838 and bits
860-861 must be reset)
Internal
Internal
eno2
0000:00:00.2 Connected internally
(MAC to MAC) to
swp4. This is used to
carry traffic between
the switch and software
running on Arm cores.
Table continues on the next page...
Linux kernel
Layerscape LS1028A BSP User Guide, Rev. 0.3, 04/2019
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NXP Semiconductors