[U-Boot] [PATCH] 83xx: PCI agent mode fixes for multi-board systems

Kim Phillips kim.phillips at freescale.com
Thu Jan 22 01:56:13 CET 2009


On Mon, 12 Jan 2009 13:32:26 -0800
Ira Snyder <iws at ovro.caltech.edu> wrote:

> When running a system with 2 or more MPC8349EMDS boards in PCI agent mode,
> the boards will lock up the PCI bus by scanning against each other.
> 
> The boards lock against each other by trying to access the PCI bus before
> clearing their configuration lock bit. Both boards end up in a loop,
> sending and receiving "Target Not Ready" messages forever.
> 
> When running in PCI agent mode, the scanning now takes place after the
> boards have cleared their configuration lock bit.
> 
> Also, add a missing declaration to the mpc83xx.h header file, fixing a
> build warning.
> 
> Signed-off-by: Ira W. Snyder <iws at ovro.caltech.edu>
> ---

applied to u-boot-mpc83xx next.

Thanks,

Kim


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