TI Cardbus 1225 interrupt problem (?)

[Daniel Ritz]

On Wednesday 07 September 2005 22.15, Daniel Ritz wrote:
> hi
> 
> looking closer at the following part:
> > Yenta: CardBus bridge found at 0000:00:03.0 [1028:00bb]
> > Yenta: Using CSCINT to route CSC interrupts to PCI
> > Yenta: Routing CardBus interrupts to PCI
> > Yenta TI: socket 0000:00:03.0, mfunc 0x01261222, devctl 0x66
> 
> while this seems to be more or less reasonable...
> 
> > Yenta TI: socket 0000:00:03.0 probing PCI interrupt failed, trying to fix
> > Yenta TI: socket 0000:00:03.0 falling back to parallel PCI interrupts
> > Yenta TI: socket 0000:00:03.0 no PCI interrupts. Fish. Please report.
> > Yenta: ISA IRQ mask 0x0000, PCI irq 0
> > Socket status: 00000000
> 
> ...the socket state is for sure not. it _has_ to start with a 3, telling
> that what voltages the controller is capable of.
> to me it seems that somewhat is overlapping the memory region assigned
> to the cardbus bridge.
> try adding the following to the kernel command line:
> 	reserve=0x10000000,0x100000

sorry, should have been:
	reserve=0x10000000,0x2000000

> this reserves a block of 32 MB starting ath 256 MB and forces the kernel
> to assign a different memory region to the cardbus bridge.
> 
rgds
-daniel