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<== Date ==> <== Thread ==>

Subject: Re: MVME3100 boot failure at "Trying to find CSR on VME"
From: Michael Davidsaver via Tech-talk <tech-talk at aps.anl.gov>
To: Peter Linardakis <peter.linardakis at anu.edu.au>
Cc: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Date: Mon, 29 Nov 2021 18:33:28 -0800
On 11/28/21 9:12 PM, Peter Linardakis via Tech-talk wrote:
> vmeTsi148 IRQ manager: looking for registers on VME...
> Trying to find CSR on VME...
> *********
> 
> Does anyone have any ideas why a certain backplane will cause this?

CSR in this context refers to the CSR address space, which
is a VME64 extension using the geographic address pins,
which won't be present in an older VME32 crate.

Still, this error shouldn't be fatal as the TSI148 driver
should fall back and print "Trying to find CRG on VME...".

https://github.com/RTEMS/rtems/blob/e945e3fc4d6a6a74789c9a348120ec7d06e19231/bsps/powerpc/shared/vme/vmeTsi148.c#L1715

Also, the MVME3100 has a bank of DIP switches (S3) which
can override/replace usage of the geographic address pins.

Replies:
Re: MVME3100 boot failure at "Trying to find CSR on VME" Johnson, Andrew N. via Tech-talk
References:
MVME3100 boot failure at "Trying to find CSR on VME" Peter Linardakis via Tech-talk

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