aTCA-3710 User's Guide
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Note:
The normal upgrade method is performed by executing the command: “root@atca-3710:~# /sbin/lmp-
installer”. This upgrades both the main and backup systems at the same time, but incurs a small risk. If the
new SDK/BSP image has a boot bug, then the board will not be bootable after the upgrade as both systems
will be replaced by the new image. To avoid this risk, the main and backup systems can upgraded separately
by running the command: “root@atca-3710:~# /sbin/lmp-installer step”. This allows the user to select which
system to upgrade (main or backup).
Redundant LMP Firmware & Boot
The U-boot image is stored in an SPI flash memory. On the aTCA-3710, the LMP has two such U-boot
flash memories in a primary and a redundant fashion.
Boot Auto-Switch
The user can enable the boot auto-switch function to U-boot to automatically switch to the redundant
flash when the primary flash memory fails.
1. Connect to the aTCA-3710 by COM port and enter U-boot prompt.
2. Enable boot auto-switch and check the status. “0” means the boot auto-switch function is disabled;
“1” means the boot auto-switch function is enabled.
Boot Manual Switch
The user can also manually set which flash memory the U-boot boots from by using a command at the
U-boot prompt.
U-Boot 2011.09-svn15 (Dec 09 2013 - 10:32:33)
CPU0: P2041E, Version: 2.0, (0x82180120)
Core: E500MC, Version: 3.2, (0x80230032)
…………………
Net: Initializing Fman
SF: Detected SST25VF080B with page size 4 KiB, total 1 MiB
Fman1: Data at 7fe32630 is not a firmware
No ethernet found.
Hit any key to stop autoboot: 0
=>
=> ipmi auto-boot-switch 1
=> ipmi auto-boot-switch
Auto boot switch status: 1 (0: disable, 1: enable)
=> ipmi active-flash
active-flash: 0
=> ipmi switch-active
=> ipmi active-flash
active-flash: 1
