MVME2100 patch

Adrian Cox adrian at
Thu Apr 8 22:50:30 EST 2004

On Wed, 2004-04-07 at 15:51, okorpil at wrote:

> Was wrong about IRQ stuff last time - I'm off course operation in serial
> IRQ mode here, because there is a serial IRQ source (8259(attached to the
> IRQO of the OpenPIC, giving me the 12 (16 in total, 4 unused) IRQs I care
> about. But no cascade within that 16 lines, so no cascade hook.

I'm not sure what you mean here. The presence of an i8259 cascade is
independent of the EPIC serial mode. EPIC serial mode is a hardware
design decision, which is required if you need to feed more than 5
sources into the EPIC. An i8259 is just another source, and as far as I
can tell, there is no i8259 on the MVME2100.

The RTC is probably connected to IRQ 8 because you set CONFIG_RTC=y. Use

- Adrian Cox

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