答复: Broadcom NIC, MPTable and APIC ID for HDAMA

[YhLu]

That's decided by HW.

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

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