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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