[LinuxBIOS] Tyan S2865 CK804 interrupt routing help needed

yhlu yinghailu at gmail.com
Wed May 16 20:49:39 CEST 2007


On 5/16/07, Jeremy Jackson <jerj at coplanar.net> wrote:
> Thanks for the reply, see below:
>
> On Wed, 2007-05-16 at 09:20 -0700, yhlu wrote:
> > 1. use smp 64bit kernel.
>
> I have Ubuntu feisty kernel, 2.6.20-14-generic #2 SMP, which shows 2
> CPUs with an AMD Athlon64 X2 4600+.  Do I need any other kernel config
> options?

Why not use kernel from kernel.org?

>
> > 2. s2865 onboard NIC is in silicon, so please refer irq routing in
> > s2895 or s2891 etc.
>
> Oh yes the onboard NIC works great, as does the tg3, all 3 PCI-e slots,
> onboard video. DME1737 hwmon works.  sound works.  PCI slot one has all
> four interrupts working.
>
> What doesn't work yet is:
> 1) PCI slots 2-4
> -there doesn't seem to be any interrupts generated.  slot 2 and 4 can do
> ifconfig up, but don't transmit or receive any packets.  slot 3 refuses
> to ifconfig up.
>
> 2)firewire (it's on PCI bus, so it's probably related to 1) gets no
> interrupts.  If the module is reloaded, dmesg fills the screen endlessly
> and hard reset is required.

without schematic, that will need some try and test to figure out.

> 3) SATA doesn't detect connected drives, and shows 0
> in /proc/interrupts.  This is a mystery to me as all other CK804 devices
> worked first try.

current ck804 support in LinuxBIOS only support port 0, and port 2.

>
> 4) DME1737 watchdog.  there isn't a linux driver yet.  I expect to port
> one of the other SMSC linux drivers soon.
>
> 5) MSI interrupts don't work, on vendor BIOS or LinuxBIOS.  some MSI to
> HT mappings aren't set up.

CK804 has problem to use MSI, MCP55 NIC will use MSI well.

YH




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