[LinuxBIOS] mcp55 irq and apic patch
yinghailu at gmail.com
Thu Dec 6 04:17:48 CET 2007
On Dec 5, 2007 3:44 PM, Uwe Hermann <uwe at hermann-uwe.de> wrote:
> On Wed, Dec 05, 2007 at 10:49:52PM +0100, Uwe Hermann wrote:
> > > route device irq through pci bridge instead in mptable.
> > > don't enable pin0 for ioapic of io-4
> Please explain in more detail why the change is done and which
> consequences there are or which bugs / problems are fixed.
1. apic error in kernel for MB with mcp55+io55
2. some pcie-cards could have pci bridge there, so need to put entries
for device under them in mptable.
> Also, you're changing the MCP55 code _and_ some board-specific code
> for just one board? Will the other MCP55 boards need fixes, too?
> If so, which fixes?
only some MB that will be used with pci card with pci-bridge build in
and the device need to use io apic for irq routing.
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