[coreboot] how to assign irq to a device
ali hagigat
hagigatali at gmail.com
Wed Oct 10 13:34:14 CEST 2012
External PCI network adaptor?
If it is plugged in PCI slot so it is internal. Is it a LAN card
plugged into USB slot?
On Wed, Oct 10, 2012 at 2:41 PM, WANG Siyuan <wangsiyuanbuaa at gmail.com> wrote:
> hi,
> i am debugging a mainboard with an external pci network adapter.
> the adapter share irq with usb. it seems not correct, so i want to assign
> an irq for this adapter.
> how to do that?
> thank you.
>
> /proc/interrupt
> eth1 is an external pci network adapter. i want to assign irq 21 for it.
>
> CPU0 CPU1 CPU2 CPU3 CPU4 CPU5
> CPU6 CPU7
> 0: 59 0 0 0 0 0
> 0 0 IO-APIC-edge timer
> 1: 0 0 1 0 1 1
> 0 0 IO-APIC-edge i8042
> 7: 1 0 0 0 0 0
> 0 0 IO-APIC-edge
> 8: 0 0 0 0 0 0
> 0 0 IO-APIC-edge rtc0
> 9: 0 0 0 0 0 0
> 0 0 IO-APIC-fasteoi acpi
> 12: 0 0 0 1 1 0
> 1 1 IO-APIC-edge i8042
> 14: 0 0 0 0 0 0
> 0 0 IO-APIC-edge pata_atiixp
> 15: 0 0 0 0 0 0
> 0 0 IO-APIC-edge pata_atiixp
> 16: 93 95 80 91 96 94
> 98 97 IO-APIC-fasteoi ohci_hcd:usb3, ohci_hcd:usb4
> 17: 1 0 1 0 0 0
> 0 0 IO-APIC-fasteoi ehci_hcd:usb1
> 18: 4 4 4 4 4 4
> 2 4 IO-APIC-fasteoi ohci_hcd:usb5, ohci_hcd:usb6,
> ohci_hcd:usb7
> 19: 1 1 0 0 0 0
> 0 0 IO-APIC-fasteoi ehci_hcd:usb2, eth1
> 22: 672 685 691 692 693 683
> 687 681 IO-APIC-fasteoi ahci
> 296: 119 99 127 87 125 96
> 121 105 PCI-MSI-edge eth0-rx-0
> 297: 0 0 0 0 0 0
> 0 0 PCI-MSI-edge eth0-tx-0
> 298: 1 0 0 0 0 0
> 0 0 PCI-MSI-edge eth0
> 299: 123 125 105 138 93 135
> 106 132 PCI-MSI-edge eth2-rx-0
> 300: 2 4 4 0 1 2
> 1 3 PCI-MSI-edge eth2-tx-0
> 301: 0 0 1 0 0 0
> 0 2 PCI-MSI-edge eth2
> NMI: 0 0 0 0 0 0
> 0 0 Non-maskable interrupts
> LOC: 4050 1673 3943 2348 2519 2963
> 3093 1644 Local timer interrupts
> SPU: 0 0 0 0 0 0
> 0 0 Spurious interrupts
> PMI: 0 0 0 0 0 0
> 0 0 Performance monitoring interrupts
> IWI: 0 0 0 0 0 0
> 0 0 IRQ work interrupts
> RTR: 0 0 0 0 0 0
> 0 0 APIC ICR read retries
> RES: 5454 4177 5477 3690 5121 3822
> 5342 3630 Rescheduling interrupts
> CAL: 44 58 52 57 46 56
> 50 59 Function call interrupts
> TLB: 291 391 291 336 274 344
> 237 395 TLB shootdowns
> TRM: 0 0 0 0 0 0
> 0 0 Thermal event interrupts
> THR: 0 0 0 0 0 0
> 0 0 Threshold APIC interrupts
> MCE: 0 0 0 0 0 0
> 0 0 Machine check exceptions
> MCP: 6 6 6 6 6 6
> 6 6 Machine check polls
> ERR: 1
> MIS: 0
>
>
> --
> WANG Siyuan
> --
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