Marc Jones wrote: > Peter Stuge wrote: > >> On Thu, Jul 05, 2007 at 10:34:53PM +0800, Songmao Tian wrote: >> >>> with regard to interrupt signal, I am still puzzled with the >>> PCI_INTA#, it is said that it's a input io. Shouldn't it output >>> the interrupt signal to cpu? >>> >> I suspect it is the signal facing PCI devices. >> >> The signal facing the CPU is probably inside the GeodeLink somewhere. >> >> >> //Peter >> >> > > Peter is correct. The PCI_INTA# from the CPU(northbridge) to the cs5536 > is for graphics and/or AES egine interrupts. The interrupt signal(INTR#) > from the cs5536 to the CPU is in the sideband serial packet. Look for > "CPU Interface Serial (CIS)" in the 5536 databook for more information. > > Marc > > >
I got it:), I suspect that, but I haven't notice the that there's pci devices in northbridge. thanks Marc, thanks Peter. -- linuxbios mailing list [email protected] http://www.linuxbios.org/mailman/listinfo/linuxbios
