[PATCH 09/15] [POWERPC] 86xx: Add uli1575 pci-bridge sector to MPC8641HPCN dts file.
Segher Boessenkool
segher at kernel.crashing.org
Thu Jun 28 07:21:10 EST 2007
>>>>>> - ranges = <0 f8000000 00100000>;
>>>>>> - reg = <f8000000 00100000>; // CCSRBAR 1M
>>>>>> + ranges = <00001000 f8001000 000ff000
>>>>>> + reg = <f8000000 00001000>; // CCSRBAR
>> There is "BAR" in the name, so it is a movable range? Where
>> is the base address set?
>
> in a MMIO register in the space itself.
Oh, *great* design.</sarcasm>
>> What is the relationship between (in the example) the address
>> ranges x'f800_0000+1000 and x'f800_1000+ff000?
>
> uugh, not sure what that's all about.
Reading back I see that the CCSR region is 1MB, and only the
first 4kB are for this PHB. What is the rest of this range
used for -- devices on this PCI bus, other SoC devices, ...?
Segher
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