[U-Boot] How can i add intterrupt for AT91SAM9260EK board
Alexander Stein
alexander.stein at systec-electronic.com
Thu Jul 29 08:38:45 CEST 2010
Hello,
Am Donnerstag, 29. Juli 2010, 08:25:53 schrieb Reinhard Meyer:
> You have add interrupt handling (write source) to AT91 in general and
> provide a patch for that.
>
> But first you have to define why you need interrupts (in the u-boot
> phase) in the first place.
One reason would be to workaround errata 44.3.5.1 (RSTC: Reset During SDRAM
Accesses) on the AT91SAM9G20 which traps the reset interrupt to shutdown the
SDRAM controller properly -.-
Best regards,
Alexander
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