Tuesday, October 22, 2013

PP81 switch bank

.       Make cnode stay at uboot.
Hit any key to stop autoboot:  0
=>

2.       Input “reset” and press “0” at once. You must press “0” very quickly after reset command, because UBoot select boot bank at it’s first line printing.
Then cnode will boot from bank 0

After boot up, login, and
Check the boot bank is 0 by showboot
$ showboot


Example:
Piece of log
U-Boot 1.3.0-rc2 (Jul 12 2012 - 19:08:19) MPC83XX.Bank 1  //here is current boot bank
...

U-Boot 1.3.0-rc2 (Dec 12 2012 - 17:46:46) MPC83XX

.........................

Hit any key to stop autoboot:  0
=>
=> reset
Resetting the board.
U-Boot 1.3.0-rc2 (Jul 12 2012 - 19:08:19) MPC83XXBank 0  //here show new boot bank
...

U-Boot 1.3.0-rc2 (Dec 17 2012 - 11:36:02) MPC83XX

Reset Status: Software Hard, External/Internal Soft, External/Internal Hard

CPU:   e300c3, MPC8314E, Rev: 12 at 400 MHz, CSB:  133 MHz
Board: RadiSys CNode-2 Rev
.........................................
cnode-pp81 login: root


BusyBox v1.4.2 (2012-03-20 10:03:59 HKT) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

root@cnode-pp81:~ showboot


System was booted from bank 0.

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