> -----Original Message----- > From: Scott Wood [mailto:[EMAIL PROTECTED] > Sent: Thursday, 4 September 2008 3:15 AM > To: Janaka Subhawickrama > Cc: 'linuxppc-dev@ozlabs.org' > Subject: Re: Kernel crash while initialising PCI > > On Wed, Sep 03, 2008 at 05:50:10PM +1000, Janaka Subhawickrama wrote: > > My DTS file entries for PCI are as follows: > > > > [EMAIL PROTECTED] { > > interrupt-map-mask = < // Mask the child > UnitIrqSpec > > //ff00 0 0 7 > > ffff ff ff f > > >; > > interrupt-map = < > > // Child UnitIrqSpec, Parent > PIC handle, Parent UnitIrqSpec > > // PCI unit address (0000 0 > 0), Interrupt specifier IDSEL 0x0D (CRX board hard wired to IDSEL 13), > > // parent Phandle, > IRQ7=0x17 (jumper based) level sensitive(8) > > //0d00 0 0 1 &ipic 17 8 > > 00006800 0 0 1 &ipic 17 8 > > >; > > interrupt-parent = < &ipic >; > > interrupts = <42 8>; //PCI1 > interrupt, level sensitive > > bus-range = <0 0>; //Bus number > and largest bus under this > > /* > > struct ranges_pci { > > unsigned int pci_space; > //Prefechable/relocatable .... IEEE1275 > > u64 pci_addr; > > phys_addr_t phys_addr; > > u64 size; > > }; > > */ > > ranges = < 02000000 0 A0000000 A0000000 0 > 20000000 > > 01000000 0 D8000000 D8000000 0 > 01000000 >; > > clock-frequency = <1FCA055>; //33333333Hz > > #interrupt-cells = <1>; //PCI > aparently uses 1 > > #size-cells = <2>; //Max of 2 > ints > > #address-cells = <3>; //int size > > reg = <8500 100>; //?? > > compatible = "fsl,mpc8349-pci"; > > device_type = "pci"; > > }; > > > > > > What am I doing wrong ? > > The PCI node needs to go under the root node, rather than under the soc > node. Otherwise, the kernel will try to translate ranges through the > IMMR > window. In older kernels, there was a bug in the PCI code that let you > get > away with this. > > See current in-kernel device trees for examples. > > -Scott
Yep. That fixed my immediate problem. Thank you very much. Kernel boots now and I can do lspci and see the basic information of the graphics card. Now I have to trace through why I get "PCI: Calling quirk c01a9db8 for 0000:00:0d.0". Any pointers are greatly appreciated. Cheers Janaka _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
