Re: How to setup interrupts for a new board?

[David Daney <ddaney@caviumnetworks.com>]

On 09/29/2010 07:06 AM, Ardelean, Andrei wrote:
> Hi,
>
> I created new board specific files gd_xxxx similar with malta_xxxx and I
> am trying to configure Linux interrupts in gd-int.c.
> My board has no external interrupt controller like Malta has, it has no
> PCI, I use Vectored interrupt mode and a mux routes the external
> interrupts to the MIPS h/w interrupts.
> Wthat is the meaning of the following switches and how to set them:
> cpu_has_divec           
> cpu_has_vce             
> cpu_has_llsc
> cpu_has_counter
> cpu_has_vint
>
> What is the difference between:
> setup_irq()
> set_irq_handler()
> set_vi_handler()
>
> Can you point me to document regarding interrupts implementation in MIPS
> Linux?
Other than the Linux Kernel source code, make sure you have a copy of:

MD00090-2B-MIPS32PRA-AFP, the "MIPS32® Architecture for Programmers 
Volume III: The MIPS32® Privileged Resource Architecture"
It can be downloaded from mips.com

David Daney


> Thanks,
> Andrei