[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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