答复: Broadcom NIC, MPTable and APIC ID for HDAMA [PMX:#]
Li-Ta Lo
ollie at lanl.gov
Fri Apr 16 16:30:01 CEST 2004
On Fri, 2004-04-16 at 11:21, YhLu wrote:
> That's decided by HW.
>
Do you mean even the device is behind the PCIX bridge, it's
IRQ is not routed by the APIC on the bridge ?
Ollie
> YH
>
> -----邮件原件-----
> 发件人: Li-Ta Lo [mailto:ollie at lanl.gov]
> 发送时间: 2004年4月16日 10:07
> 收件人: Eric Biederman; LinuxBIOS
> 主题: Broadcom NIC, MPTable and APIC ID for HDAMA
>
> Eric,
>
> The broadcom nic on hdama is connected behind the 8131.
> So the IRQ should be routed by the APIC on 8131, right ?
> But in the current mptable.c it is
>
> /* PCI Ints: Type Polarity
> Trigger
> Bus ID PCIDEVNUM|IRQ APIC ID PIN# */
> /* On board nics */
> smp_write_intsrc(mc, mp_INT,
> MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
> bus_8131_1, (0x03<<2)|0, 0x02, 0x13);
> smp_write_intsrc(mc, mp_INT,
> MP_IRQ_TRIGGER_DEFAULT|MP_IRQ_POLARITY_DEFAULT,
> bus_8131_1,
> (0x04<<2)|0, 0x02, 0x13);
>
> The IRQ is routed by APIC #2 which is in 8111. Is it correct ?
> Why is it still working ?
>
> Ollie
>
> _______________________________________________
> Linuxbios mailing list
> Linuxbios at clustermatic.org
> http://www.clustermatic.org/mailman/listinfo/linuxbios
> _______________________________________________
> Linuxbios mailing list
> Linuxbios at clustermatic.org
> http://www.clustermatic.org/mailman/listinfo/linuxbios
>
More information about the coreboot
mailing list