On Tuesday 11 June 2013, Jingoo Han wrote: > > > + ranges = <0x00000800 0 0x40000000 0x40000000 0 0x00200000 /* configuration space */ > > > + 0x81000000 0 0 0x40200000 0 0x00004000 /* downstream I/O */ > > > + 0x82000000 0 0 0x40204000 0 0x10000000>; /* non-prefetchable memory */ > > > + }; > > > ... > > Also, shouldn't your memory space end on a 256MB boundary, rather than > > extend up to 0x50203fff? > > According to the manual of Exynos PCIe, each memory space for Exynos PCIe > can support 512MB, including I/O, CFG regions. > > Is there any problem when over 256MB boundary is used? > Please let me know. :) No, that's not a problem, but I think you should have the window span the entire space that is provided in hardware. If there are 512 MB total, why not use them? You could use ranges = <0x82000000 0 0 0x40204000 0 0x1fdfc000>; to pass a range for the memory space that extends all the way until 0x5fffffff. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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