zhou yu wrote: > Hi all, > Hi Zhou Yu, > I want to add a interrupt for AT91SAM9260EK board. When I define > CONFIG_USE_IRQ in at91sam9260ek.h, > then compile, I got error message "error: CONFIG_USE_IRQ not supported". I > don't know why put this message here so I commented out. > It is there BECAUSE the current source for AT91 does NOT support interrupts... > Then I define CONFIG_STACKSIZE_IRQ, CONFIG_STACKSIZE_FIQ like this, and > compile complete. > #define CONFIG_STACKSIZE_IRQ 4096 > #define CONFIG_STACKSIZE_FIQ 4096 > > Download u-boot.bin to my board with sam-ba.exe, and reset. When u-boot run > to enable_interrupts() in board.c, the board halt. > > What should I do? Thank you! > It requires more than commenting the message out :)
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. Best Regards Reinhard _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot