Shelf Manager Firmware Upgrade
AXP1620 Shelf Installation
AXP1620 Installation and Use (6806800E23E)
95
5.
Ping the file server containing the Emerson files. You should get a response if the Ethernet
cable is connected.
6.
Set the environment variable that keeps the front panel Ethernet interface enabled following
a reboot.
# setenv enable_front_panel_ethernet y
5.12.3.2 Update ShM Firmware on the SAM
This step involves programming of the U-boot, Linux kernel, and root file system into flash on
the ShMM1500 on the SAM.
1.
Copy the three required firmware image files listed below to the
/tmp
directory on the ShM:
z
sentry.shmm1500.u-boot.bin
z
sentry.shmm1500.kernel
z
sentry.shmm1500.rts
One way of doing this is:
# scp
acctname
@
fileserver_ip
:
dirname
/sentry.shmm1500.* /tmp
where:
acctname
is the login account for the user on the (linux) file server
fileserver_ip
is the IP address of the file server
dirname
is the relative directory name (from the login home) for the location of the
images
Verify that the files were copied to
/tmp
.
2.
Execute the command to program these images into flash and then reset to execute the
new images:
# rupgrade_tool -s -v -d -a [--hook=erase]
The “—-hook=erase” argument is optional, and is normally not used. This directs the
upgrade procedure to avoid preserving the customer-specific configuration files,
/etc/shelfman.conf
and
/etc/shelfman.conf.sam1500
. Normally, these files should be
preserved across an upgrade, but on occasion, when Emerson makes a change to the
format of the configuration options, you may be instructed to use this option. In this case,
you need to re-enter the configuration by editing these files, following the upgrade.
3.
The files are copied to flash memory and the system should reboot in a couple of minutes.
When the system is restarted, the bootup logic automatically determines if the SAM1500
FPGA needs to be loaded to a new firmware revision. If so, an additional upgrade and
reboot takes place and takes an additional 5-8 minutes. The SAM should now be running
the new firmware.
The process can now be repeated with the other Shelf Manager.
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