[coreboot] Help with RX serial interrupts?
Alex G.
mr.nuke.me at gmail.com
Tue Feb 8 22:15:03 CET 2011
Are you sure it's not just a bad PIC/APIC config?
Alex
On 02/08/2011 10:15 PM, Votier, Sean (DS-1) wrote:
> Designation: Non-SSA/Finmeccanica
>
> Hi all.
>
> I would like to apologise for being a lurker on this list and only
> popping up when I need help. But I need help………..
>
> I’ve run into an issue that has been stumping my for the last couple of
> weeks.
>
> I’m developing bios code for a GE CR-11 Compact PCI board.
>
> The chips I’m working with are:
>
> 1.06 Mhz Pentium M
>
> E7520 Northbridge
>
> 6300ESB Southbridge
>
> I’m initialising the SIU in the Southbridge. I have the port configured.
> I can see data transmitted and received from and to the serial port
> using a scope on the serial cable and also on my emulator but I can’t
> seem to get the receive side to generate an interrupt. Does anyone have
> experience with serial interrupts on this hardware? Can you run through
> the steps involved for a very simple rx interrupt config just in case I
> missed something in the Intel docs. Know of an pitfalls?
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