
29 Jul
2010
29 Jul
'10
8:38 a.m.
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