[U-Boot-Users] Enhanced SDRAM tests with u-boot

Thomas Schäfer tschaefer at giga-stream.de
Mon Oct 20 19:03:22 CEST 2003

Hi all,

I have problems with the Bringup of a custom MPC8280 board and I assume that SDRAM could be the reason. When performing memory tests on the complete SDRAM with the test routines included with u-boot 0.4.5, everything is working fine. Also, u-boot is running without problems. But when booting a (known to work) linux kernel (2.4.18, MontaVista 3.0), I get exceptions after decompressing the kernel (alignment, 0x600) and when executing the initial scripts (program, 0x700). So I would like to perform more sophisticated SDRAM tests with u-boot, including burst tests. Is there anybody who has done this before? Any hints are appreciated.

Best regards

Thomas Schäfer



Konrad-Zuse-Str. 7
66115 Saarbrücken

Tel.: + 49 (0)681 / 95916 - 203
Fax:  + 49 (0)681 / 95916 - 100
E-mail: tschaefer at giga-stream.de

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