Re: [microblaze-uclinux] Interrupt issue

[Benny Chen <bennyc@xxxxxxxxxxxxxx>]

Hi Duy-Ky,

> I wrote a simple driver, loaded it, I was able to see it successfully 
> hooked to interrupt IRQ4 I wanted.
> This interrupt is associated with Press Button on Spartan 3E-1600 eva 
> board.
> But there's no response when I pressed the buttons. 
What did your /proc/interrupts say?  Did it associate your driver to irq 
4?  Did the interrupt count increase when you press the button?

Regards,
Benny Chen

Duy-Ky Nguyen wrote:
> Hi,
>
> I'm using the latest Petalinux release and kernel 2.4
> I'm trying to test GPIO interrupt, but have failed so far.
> There's no response at all when I loaded keypaddev.o come with the 
> package.
>
> I wrote a simple driver, loaded it, I was able to see it successfully 
> hooked to interrupt IRQ4 I wanted.
> This interrupt is associated with Press Button on Spartan 3E-1600 eva 
> board.
> But there's no response when I pressed the buttons.
>
> I'm sure the board works fine with interrupt button as I tested with 
> Windows EDK code in standalone mode, ie no OS at all.
>
> Compare all relevant regosters in these 2 cases, all ENABLE regsiters 
> are the same. T the only differences are the STATUS ones because 
> there's no response to IRQ using Petalinux, but responding from 
> standalone one.
>
> I'd really appreciate your help
>
> Duy-Ky
>
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