[U-Boot-Users] Running U-Boot as a standalone application

[Kerl, John]

> The board I'm using (PPChameleonEVB) has 1 MB SRAM at 0xff800000.
> I've modified the .lds file and the flash base in include/configs so
> that "flash" is now taken to be the SRAM.  (I know this is quick and
> dirty, not elegant.  Also I know that the PPChameleonEVB has a jumper
> which swaps CS0# [flash] and CS1# [SRAM], but I don't have a BDI so
> I'm not able to load the SRAM.) Then I make an image file with

> You can use the "old" copy of U-Boot to store the image to SRAM, then
> switch the jumper, the reset the board.

In fact, that works fine, and is precisely what I want.
Thanks for the tip!


=> tftpboot ff8bffc0 pu-boot
ENET Speed is 100 Mbps - HALF duplex connection
TFTP from server 172.16.158.197; our IP address is 172.16.158.157
Filename 'pu-boot'.
Load address: 0xff8bffc0
Loading: ####################################################
done
Bytes transferred = 262208 (40040 hex)

<<< Move DIP S5.4 to high >>>

=> reset

U-Boot 0.2.0 (Jan 14 2004 - 16:35:40)

######################################################
####### Debug mode enabled (running from SRAM) #######
######################################################

CPU:   IBM PowerPC 405EP Rev. A at 133.333 MHz (PLB=133, OPB=66, EBC=33 MHz)
           PCI async ext clock used, internal PCI arbiter enabled
           16 kB I-Cache 16 kB D-Cache
Board: ### No HW ID - assuming PPChameleonEVB
I2C:   ready
DRAM:  32 MB
...