On Fri, Mar 14, 2014 at 5:07 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Thursday 06 March 2014, Tanmay Inamdar wrote:
>> + pcie0: pcie@1f2b0000 {
>> + status = "disabled";
>> + device_type = "pci";
>> + compatible = "apm,xgene-storm-pcie", "apm,xgene-pcie";
>> + #interrupt-cells = <1>;
>> + #size-cells = <2>;
>> + #address-cells = <3>;
>> + reg = < 0x00 0x1f2b0000 0x0 0x00010000 /* Controller registers */
>> + 0xe0 0xd0000000 0x0 0x00200000>; /* PCI config space */
>> + reg-names = "csr", "cfg";
>> + ranges = <0x01000000 0x00 0x00000000 0xe0 0x00000000 0x00 0x00010000 /* io */
>> + 0x02000000 0x00 0x10000000 0xe0 0x10000000 0x00 0x80000000>; /* mem */
>> + dma-ranges = <0x42000000 0x40 0x00000000 0x40 0x00000000 0x40 0x00000000>;
>> + interrupt-map-mask = <0x0 0x0 0x0 0x7>;
>> + interrupt-map = <0x0 0x0 0x0 0x1 &gic 0x0 0xc2 0x1
>> + 0x0 0x0 0x0 0x2 &gic 0x0 0xc3 0x1
>> + 0x0 0x0 0x0 0x3 &gic 0x0 0xc4 0x1
>> + 0x0 0x0 0x0 0x4 &gic 0x0 0xc5 0x1>;
>> + clocks = <&pcie0clk 0>;
>> + };
>
> Is 0x40.0x00000000 the start of your RAM? I had expected RAM to start at 0.0,
> and in that case the dma-ranges property would be wrong.
RAM starting address is 0x40_00000000.
>
> Arnd
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