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Message
From: Martin Schoeberl<martin@j...>
Date: Sun Feb 19 15:34:23 CET 2006
Subject: [oc] AC97 system integration
>
> The National Semi LM4550 requires a SYNC high time of 1.3 us for warm
> reset instead of 1.0 us. Just had to adjust AC97_RES_SIG in
> ac97_defines.c accordingly.
>
This hint helped me to get the AC97 core more stable with an
AD1981BL [1]. I had sometimes startup problems. Setting this value
to 2us and also AC97_RES_DEL to 2us helped. I did not see this issue
anymore.
Thank you Arnim.
Martin
[1] http://www.soc.tuwien.ac.at/courses/projects/dspio/
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