[U-Boot-Users] Problem updating u-boot
Chetan Kapoor
chetan.kapoor at flextronicssoftware.com
Wed Apr 19 17:32:57 CEST 2006
Hello
I am facing a problem with u-boot update on my OMAP P2 730 target. Are
there any build-time configruation options for u-boot build related to the
target's NAND or NOR flash. In other words, do we need to specify any
build-time configuration options if we intend to burn the resulting u-boot
binary to NAND or NOR flash.
I have U-boot 1.0.1 burnt to OMAP 730 P2 NOR flash. I am now trying to
update u-boot using the method:
- Download u-boot.bin (new version) to target's RAM using serial line
- Copy u-boot.bin to target's flash using u-boot command 'cp.b'
The u-boot version I am running presently is vendor supplied (version
1.0.1) and I want to update it with the one I have built (version 1.1.1)
for my target hardware.
I tried downloading the u-boot.bin to the P2 730 RAM over serial line to a
specific address and triggered the binary's entry point using command:
go 'start address'
The new u-boot binary seems to execute as it comes up with normal u-boot
start-up messages, but stops and hangs at a point. Please have a look at
the traces of execution:
OMAP730 P2 # loadb 11080000
## Ready for binary (kermit) download to 0x11080000 at 115200 bps...
## Total Size = 0x0001ca68 = 117352 Bytes
## Start Addr = 0x11080000
OMAP730 P2 # go 11080000
## Starting application at 0x11080000 ...
U-Boot 1.1.1 (Apr 19 2006 - 15:50:59)
U-Boot code: 11080000 -> 1109CA68 BSS: -> 110A134C
RAM Configuration:
Bank #0: 10000000 32 MB
Flash: 0 kB
NAND: ---------> The
execution hangs at this point
I am not very sure what is expected by u-boot binary at his point. The
above binary is result of a custom build done by me. The u-boot sources
were downloaded from http://linux.omap.com and the build time
configuration was done using 'make omap730p2_config'.
Do I need to take care of any other build-time options/configurations?
Kindly help if you have any ideas/answers.
Your suggestion on how to update u-boot are also welcome.
Thanks
Chetan
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