[U-Boot] The purpose of enabling CONFIG_PCI_BOOTDELAY

[Wolfgang Denk]

Dear Mike,

In message <OF532F17EB.D2119CC3-ON852576F0.0072502F-852576F0.00725A73 at apcc.com> you wrote:
> 
> What is the purpose of CONFIG_PCI_BOOTDELAY? I am using uboot version

Adding a delay so the PCI controllers can come up and stabilize.

> Specifically in my case, all the resets on my board have occurred well
> before (500 msec) this portion of the code would execute, so it would seem
> safe to say that any peripherals like PCI controllers would be satisfied
> reset-wise.

500ms is not safe. We have seen cases (for example on 440SP / 440SPe)
where 5...10 seconds (!) were needed.


Best regards,

Wolfgang Denk

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