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?
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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