[coreboot] IRQ 9 on s2895 and s2892

[Myles Watson]

On Mon, Mar 16, 2009 at 2:36 PM, Rudolf Marek <r.marek at assembler.cz> wrote:
> Myles Watson napsal(a):
>>
>> On Mon, Mar 16, 2009 at 1:23 PM, Rudolf Marek <r.marek at assembler.cz>
>> wrote:
>>>
>>> Hi,
>>>
>>>> All of the other interrupts from 0x0-0xf are set as Edge triggered in
>>>> the mptable, so that seems likely.
>>>
>>> Fine. Second reason might be that the ExtInt pin is wrong for the APIC. I
>>> mean it is set wrongly. To which pin sets the original BIOS the ExtInt
>>> IRQ?
>>
>> Do I need to decode the mptable to know that?  Is there a utility to
>> do that?  I've gotten as far as "ISA is bus 86", but I'm struggling to
>> find ExtINT in there.  I don't see anything that matches what I
>> expect.
>>
>
> It should be the interrupt type 3 maybe you can dump the table somewhere?
That's what I was looking for.  I thought 03 03 .... 86, but I didn't
see anything like that.

I'm attaching the hexdump.

>
> mp_ExtINT Looking into the mptable for yhe 2895 seems that extint is not
> pin0 but pin2!
>
> Maybe you can change the code here:
>
> --- ck804_lpc.c (revision 3613)
> +++ ck804_lpc.c (working copy)
> @@ -43,9 +43,9 @@
>  #define INT            (1 << 8)
>        /* IO-APIC virtual wire mode configuration */
>        /* mask, trigger, polarity, destination, delivery, vector */
> -       {   0, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST |
> ExtINT, NONE},
> +       {   0, DISABLED, NONE},
>        {   1, DISABLED, NONE},
> -       {   2, DISABLED, NONE},
> +       {   2, ENABLED | TRIGGER_EDGE | POLARITY_HIGH | PHYSICAL_DEST |
> ExtINT, NONE},
>        {   3, DISABLED, NONE},
>        {   4, DISABLED, NONE},
>        {   5, DISABLED, NONE},

I'll try it.

>
>> 04d0: 20 0c
>>
>> IRQ 7, IRQ a, IRQ b are edge?
>
> Nope IRQ5 and IRQ10 and IRQ11 are edge.

Right.

> But I think that linux trusts more the APIC conf and not the MPTable so,
> after you fix it it may actually start to work.

Thanks,
Myles
-------------- next part --------------
00097c60  50 43 4d 50 bc 01 04 00  41 4d 44 20 20 20 20 20  |PCMP....AMD     |
00097c70  48 41 4d 4d 45 52 20 20  20 20 20 20 00 00 00 00  |HAMMER      ....|
00097c80  00 00 2c 00 00 00 e0 fe  d8 00 7d 00 00 00 10 03  |..,.......}.....|
00097c90  12 0f 00 00 ff fb 8b 17  00 00 00 00 00 00 00 00  |................|
00097ca0  00 01 10 01 12 0f 00 00  ff fb 8b 17 00 00 00 00  |................|
00097cb0  00 00 00 00 00 02 10 01  12 0f 00 00 ff fb 8b 17  |................|
00097cc0  00 00 00 00 00 00 00 00  00 03 10 01 12 0f 00 00  |................|
00097cd0  ff fb 8b 17 00 00 00 00  00 00 00 00 01 00 50 43  |..............PC|
00097ce0  49 20 20 20 01 01 50 43  49 20 20 20 01 02 50 43  |I   ..PCI   ..PC|
00097cf0  49 20 20 20 01 08 50 43  49 20 20 20 01 09 50 43  |I   ..PCI   ..PC|
00097d00  49 20 20 20 01 0a 50 43  49 20 20 20 01 80 50 43  |I   ..PCI   ..PC|
00097d10  49 20 20 20 01 81 50 43  49 20 20 20 01 86 49 53  |I   ..PCI   ..IS|
00097d20  41 20 20 20 02 04 11 01  00 00 c0 fe 02 05 11 01  |A   ............|
00097d30  00 00 00 d0 02 06 11 01  00 10 00 d0 03 03 05 00  |................|
00097d40  00 00 04 00 03 00 05 00  00 01 04 01 03 00 05 00  |................|
00097d50  00 02 04 02 03 00 05 00  00 03 04 03 03 00 05 00  |................|
00097d60  00 04 04 04 03 00 0f 00  00 05 04 05 03 00 05 00  |................|
00097d70  00 06 04 06 03 00 05 00  00 07 04 07 03 00 05 00  |................|
00097d80  00 08 04 08 03 00 05 00  00 09 04 09 03 00 0f 00  |................|
00097d90  00 0a 04 0a 03 00 0f 00  00 0b 04 0b 03 00 05 00  |................|
00097da0  00 0c 04 0c 03 00 05 00  00 0d 04 0d 03 00 05 00  |................|
00097db0  00 0e 04 0e 03 00 05 00  00 0f 04 0f 03 00 0f 00  |................|
00097dc0  00 08 04 0a 03 00 0f 00  00 09 04 0b 03 00 0f 00  |................|
00097dd0  00 10 04 0a 03 00 0f 00  00 1c 04 0a 03 00 0f 00  |................|
00097de0  00 20 04 0b 03 00 0f 00  00 28 04 0b 03 00 0f 00  |. .......(......|
00097df0  01 14 04 12 03 00 0f 00  02 00 04 11 03 00 0f 00  |................|
00097e00  80 28 07 05 03 00 0f 00  81 00 07 00 04 03 05 00  |.(..............|
00097e10  86 00 ff 00 04 01 05 00  86 00 ff 01 80 14 00 01  |................|
00097e20  00 00 0a 00 00 00 00 00  00 00 02 00 00 00 00 00  |................|
00097e30  80 14 00 00 00 10 00 00  00 00 00 00 68 0c 00 00  |............h...|
00097e40  00 00 00 00 80 14 00 01  00 00 00 b0 00 00 00 00  |................|
00097e50  00 00 00 08 00 00 00 00  80 14 00 02 00 00 00 c0  |................|
00097e60  00 00 00 00 00 00 00 10  00 00 00 00 80 14 00 01  |................|
00097e70  00 00 c0 fe 00 00 00 00  00 04 00 00 00 00 00 00  |................|
00097e80  80 14 08 01 00 00 00 d0  00 00 00 00 00 f8 3f 00  |..............?.|
00097e90  00 00 00 00 80 14 80 00  00 20 00 00 00 00 00 00  |......... ......|
00097ea0  00 20 00 00 00 00 00 00  80 14 80 01 00 00 40 d0  |. ............ at .|
00097eb0  00 00 00 00 00 00 40 00  00 00 00 00 81 08 86 01  |...... at .........|
00097ec0  00 00 00 00 82 08 00 00  00 00 00 00 82 08 00 00  |................|
00097ed0  01 00 00 00 82 08 08 01  00 00 00 00 82 08 08 01  |................|
00097ee0  01 00 00 00 82 08 80 01  00 00 00 00 82 08 80 01  |................|
00097ef0  01 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00097f00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
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