Patch for CYGPKG_IO_SERIAL_ARM_LPC2XXX

["Martin Laabs" <martin dot laabs at mailbox dot tu-dresden dot de>]

Hi,

the CYGPKG_IO_SERIAL_ARM_LPC2XXX package support up to two serial
devices. Therefore it uses the VIC (vectored interrupt controller)
of the LPC devices. If both channels are enables in the configtool
both will also get the same interrupt priority. This is not possible
with the LPC VIC and causes, that only the last interrupt is
enables and the first one generates "spurious interrupts" (from eCos
point of view) that leads to data fetch and illegal instruction 
exeptions.

I added support to assign the priority in the configtool/driver.

Greetings,
 Martin

PS: Is it possible to avoid assignment of equal priorities
to different IRQs at same time in configtool/cdl.

Attachment: prio.patch
Description: Binary data