Re: yosemite interrupt setup

[Manish Lachwani <mlachwani@mvista.com>]

Hi Thomas,

Thomas Koeller wrote:
> On Thursday 21 October 2004 18:38, Manish Lachwani wrote:
> 
>>Hi Thomas
>>
>>No, these should remain in the Ethernet driver. Thats because no other
>>driver depends on these. Those registers are MAC subsystem registers
>>only. The ethernet driver does not do any interrupt setup for other
>>devices.
> 
> 
> Hi Manish,
> 
> first of all, forget about the yosemite, as I am no longer using it. I
> am currently working on our own platform port.

I did not know abt this. I have referred to Yosemite in the past posts

> 
> All the components of the Ethernet/GPI subsystem interrupt the CPU
> through the interrupt vector established by writing to the CPCFG0 and
> CPCFG1 registers. So if I want to write a driver that uses one of
> the GPIs, or the DUART, or a watchdog counter, or the two-bit interface,
> or any other component of the subsystem, then this driver will be
> dependent of the ethernet driver. Have a look at the manual if
> you do not believe me. The titan ethernet driver is the only one to
> use this interrupt _on_the_yosemite_, but this is only because all the
> other components are not used at all.

I will check the manual and get back. In case of Yosemite, the GE unit 
is the only one using this vector register.

> 
> The interrupt setup should definitly be in the platform - please reconsider
> your position.
> 
> thanks,
> Thomas
> 

Thanks
Manish Lachwani