[U-Boot] IRQ in realmode and sleep()

[Wolfgang Denk]

Dear Reinhard Arlt,

In message <4C2AEC16.9080906 at t-online.de> you wrote:
> 
> The question is: Is it O.K., that the irq routines run in real mode, 
> with all your I/O locations are cacheable, for example.

I expect to see problems when you enable data cache for I/O; there are
many drivers in U-Boot which are not prepared for such conditions.

Best regards,

Wolfgang Denk

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