Many thanks Stelian for the replies. My comments inline. Norman
Stelian Pop wrote: > Le mercredi 25 juin 2008 à 01:36 +0000, Norman Cheung a écrit : > >> I am struggling with this problem for a week now and not making any >> progress. >> So any suggestions, ideas or pointer will be greatly appreciated. >> > [...] > > Since the post earlier, I have narrowed the problem to the bootstrap during the copy from NAND to SDRAM, memories are corrupted. I think I have a marginal NAND chip. I played around the SMC cycle timing in bootstrap, I have a setting that I can boot u-boot with power cycle 6 out of 10 times. So I am convinced that it is not an u-boot issue, Thanks! >> The board works with u-boot 1.3.2 and at91bootstrap(1.5 I only have the >> binary) >> booting from NAND. >> > > The source (for the latest version) is freely available on the Atmel > site: http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4093 > > If you really need the source for an older version, I'm sure the Atmel > support will send it to you upon request. > > >> U-boot fails intermittently at the start. When it fails, it didn't make it >> to >> my first printf statement. When I use JTAG to debug it, it always works. >> >> If the board has been let without power for 1+ hour, it will also boot up >> when >> I apply power to it(something to do with the battery perhaps). >> > > Did you try disconnecting the battery ? Or replacing the battery with a > new one ? > > [...] > I tried disconnecting the battery and with the new SMC timing changes, I can boot up only one time after disconnecting the battery. I will go and get a new battery. > > >> We had at91bootstrap 1.5 working well in 32-bit mode with u-boot 1.3.2. But >> I >> don't have the source. >> > > See above. > > >> I wonder what is the current stable version of u-boot >> and at91bootstrap? >> > > AT91Bootstrap seems to be at v1.9. > > As for U-Boot, try the latest git (which will soon be u-boot v1.3.4). > > (BTW, if Wolfgang is listening, it would be nice to have proper tags in > git as well as releases on the ftp server for the -pre version. Since > the merge window is closed, I guess we're up to v1.3.4-pre1 now, but > this version tag cannot be found anywhere...) > > Stelian. > ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ U-Boot-Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/u-boot-users
