122
ATCA-F140 Series Installation and Use (6806800M67S)
U-Boot
U-Boot
5.9
U-Boot Commands
5.10
U-Boot Environment Variables
Table 5-8
ATCA-F140-Specific U-Boot Commands
Command
Description
bparams_set
Allows to configure IPMI system boot options
hreset
Issues a hard reset on the ATCA-F140. A hard reset resets the entire
payload.
bootsel 0|1|switch
Selects the boot flash which the ATCA-F140 is to boot from after the
next restart. 0 selects boot flash 0, 1 selects boot flash 1, and switch
selects the currently not selected boot flash, i.e. switches between the
boot flashes.
Table 5-9
ATCA-F140-Specific U-Boot Environment Variables
Environment Variable Description
post_control
See
Environment Variable post_control on page 121
.
phy_localloop
Can be set to 10/100/1000 to configure a ETSEC port into PHY local
loopback mode
firmware_build
Firmware-build count (read-only)
inicmd
Can be used to define a command sequence to be executed at the end
of the boot sequence, i.e., before the shell or bootcmd are executed
drvargs
Contains blade-specific values for the Linux kernel command line. It
should be part of the bootargs environment variable.
reset_cause
Indicates the reason for the last reset. Possible values are:
warm:
CPU reset
power:
Power-on
frpl_pb:
Face plate push button
rtm_pb:
RTM push button)
cpu_hreset
: CPU HRESET_REQ
cop_hreset:
COP HRESET
ipmc:
IPMC reset request
sw_wdog:
Software watchdog reset
ini_wdog
: Initial watchdog reset
