Good news, what makes you saying that I access the CAN controller ?

It is going to be complicate for the CAN analyzer, but for the boot log it's
OK (you want the "dmesg" of my PC board, am I rigth?)

2010/11/15 Wolfgang Grandegger <[email protected]>

> On 11/14/2010 11:54 PM, Willy Lambert wrote:
> > Lasts magics were in the PCI/Pnp section. My bios shows this options:
> >
> > (Name = current Value : description)
> > ( ** ** : option I think important for my problem)
> >
> >
> > __Clear NVRAM__ = No: Set this value to force the BIOS to clear the
> > Non-Volatile Random Access Memory (NVRAM).The Optimal and Fail-Safe
> default
> > setting is No.
> > **__Plug & Play O/S__** = No : When set to No, BIOS configures all the
> > device in the system. When set to Yes and if you install a Plug and Play
> > operating system, the operating system configures the Plug and Play
> device
> > not required for boot.
> > __PCI Latency Timer__ = 64 : Value in units of PCI clocks for PCI device
> > latency timer register.
> > __Allocate IRQ to PCI VGA__ = Yes: When set to Yes will assigns IRQ to
> PCI
> > VGA card if card requests IRQ. When set to No will not assign IRQ to PCI
> VGA
> > card even if card requests an IRQ.
> > __Palette Snooping__ = Disabled : This item is designed to solve problems
> > caused by some non-standard VGA card.
> > __PCI IDE BusMaster__  = Enabled: When set to enabled BIOS uses PCI
> > busmastering for reading/writing to IDE drives.
> > __OffBoard PCI/ISA IDE Card__ = Auto : Some PCI IDE cards may require
> this
> > to be set to the PCI slot number that is holding the card. When set to
> Auto
> > will works for most PCI IDE cards.
> > **__IRQ3 / 4 / 5 / 7 / 9 / 10 /11__** = Available (for each of them,
> second
> > option is : Reserved) : This item allows you respectively assign an
> > interruptive type for IRQ-3, 4, 5, 7, 9, 10,11.
> > **__DMA Channel0 / 1 / 3 / 5 / 6 / 7__** Available (for each of then,
> second
> > option is : Reserved): When set to Available will specified DMA is
> available
> > to be used by PCI/PnP devices. When set to Reserved will specified DMA
> will
> > Reserved for use by legacy ISA devices.
> > **__Reserved Memory Size__** : This item allows you to reserved size of
> > memory block for legacy ISA device.
> >
> >
> > I tried to reserve IRQ5 and 7 and/or DMA channel (5 and 7 or all). It
> > doesn't seem to change anything. I don't know what to tune. Is it
> possible
> > that my HW is not powered ? Or would this has prevent "normal" interface
> > configuration
>
> You can access the CAN controller and therefore it must be powered. Do
> you have an external CAN controller if bus analyzer to check if
> something goes out to the wire? And can you show your complete boot log?
>
> Wolfgang.
>
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