|To:||"Ardelean, Andrei" <Andrei.Ardelean@idt.com>|
|Subject:||Re: How to setup interrupts for a new board?|
|From:||David Daney <email@example.com>|
|Date:||Wed, 29 Sep 2010 09:24:57 -0700|
|User-agent:||Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:22.214.171.124) Gecko/20100720 Fedora/3.0.6-1.fc12 Thunderbird/3.0.6|
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
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