Commit ee5e9cb2 authored by Thanassis Tsiodras's avatar Thanassis Tsiodras

Some additional info and clarifications.

parent 0bc1182f
......@@ -11,13 +11,13 @@ Things to do first:
If you check the [GR740 board's user manual](https://www.gaisler.com/doc/gr740/GR-CPCI-GR740-UM.pdf),
you will see that on page 17, Figure 4-8, there's a diagram indicating that the
ETH1 interface is only connected if J22 is connected. Note that connector J22
exists at the bottom side of the PCB - so flip your GR740 and look at the PCB:
if you see the same picture as that shown in Figure 4-9, you must move the
configuration plug to the middle location (J22).
exists at the bottom side of the PCB - so flip your GR740 over and look at the PCB:
if you see the same picture as that shown in Figure 4-9, **you must move the
configuration plug to the middle location (J22).**
After that, you can power up the board and connect it with the Linux machine via
an Ethernet cable plugged-in **at the bottom right Ethernet jack** (looking at the
board face-front).
board face-front, i.e. with the "GR740" label on the top-right).
## Linux ethernet configuration
......@@ -36,11 +36,12 @@ a second Ethernet interface (`eth1`) that has the IP address 192.168.0.151:
$ sudo ifconfig eth1 192.168.0.151 up
If you use a different configuration, edit this line in the DeploymentView AADL
file and change it to mirror yours. You can change the 192.168.0.151 - but you must
stay in the 192.168.0.x subnet.
file and change it to mirror yours. You can change the `eth1` to whatever is
appropriate for your machine; and you can also change the `192.168.0.151` - but
you must stay in the 192.168.0.x subnet.
The reason for that is because you can't change the 192.168.0.42 address of the
GR740 side of the Ethernet setup. This address is currently hardcoded in the
GR740 side of the Ethernet setup... this address is currently hardcoded in the
PolyORB Ethernet driver. The PolyORB team is investigating ways to improve
this; in older versions of RTEMS it was possible to modify the IP address after
bootstrapping, but in RTEMS5.1 apparently this is not possible anymore.
......
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