On Sun, Feb 16, 2014 at 11:31 PM, Anand Mistry
<anand.mistry@xxxxxxxxxxxxx> wrote:
> Hello,
>
> Can anybody please help me out with this one. My linux kernel is not
> programming memory ranges of PCI-PCI bridges and crashes on finding devices
> beyond the bridge. How do i enable automatic resource allocation of PCI-PCi
> bridges in the kernel?
Can you collect a complete dmesg log (or console output with
"ignore_loglevel" option)?
> For reference,
> Processor is MPC8313
> Kernel version is 2.6.23.
> Code from the DTS file
>
> /* code starts */
> pci@8500 {
> bus-range = <0 0>;
> ranges = <02000000 0 90000000 90000000 0 10000000
> 42000000 0 80000000 80000000 0 10000000
> 01000000 0 00000000 e2000000 0 00100000>;
> #interrupt-cells = <1>;
> #size-cells = <2>;
> #address-cells = <3>;
> reg = <8500 100>;
> compatible = "fsl,mpc8349-pci";
> device_type = "pci";
> interrupt-parent = < &ipic >;
> interrupts = <42 8>;
> interrupt-map-mask = <0F800 0 0 7>;
> interrupt-map = <
>
> // ** For reference **
> // INTA = IRQ1 = 0x11
> // INTB = IRQ2 = 0x12
> // INTC = IRQ0 = 0x30
> // INTD = IRQ4 = 0x14
>
> // BUS 0 IDSEL 0x18 (IDSEL = AD24)
> 0c000 0 0 1 &ipic 11 8 // PCI_INTA
> 0c000 0 0 2 &ipic 12 8 // PCI_INTB
> 0c000 0 0 3 &ipic 30 8 // PCI_INTC
> 0c000 0 0 4 &ipic 14 8 // PCI_INTD
> >;
>
> };
>
> /* code ends */
>
>
>
> Thanks and Regards,
> Anand Mistry
>
>
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