In message 20060220130259.GA7009@false you wrote:
Oooh no, i hoped i would never have to get familiar with SDRAM initialization, of which i have no clue. But i feared that because "mtest" failes with:
=> mtest Pattern 00000000 Writing...
Argh.. You must never continue when you encounter such a problem. Always stop and take time to analyze and fix the problem. Even if you don't have time. Otherwise it will bite you later, usually when you have absolutely no time left to deal with it.
But how is this possible ? - u-boot gets successfully executed in SDRAM!
That does not mean much. Many systems run fine under pSOS or so and crash under UNIX systems. See the FAQ.
Thanks for your guess, at least i know in which direction to go for bug hunting.
Good hunting.
Best regards,
Wolfgang Denk