On Wednesday 28 May 2014 09:32 AM, Linus Walleij wrote: > On Wed, May 28, 2014 at 3:29 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote: >> On Wednesday 28 May 2014 10:23:09 Linus Walleij wrote: > >>> model = "ARM Integrator/AP"; >>> compatible = "arm,integrator-ap"; >>> + dma-ranges = <0x80000000 0x8 0x00000000 0x80000000>; >>> >>> aliases { >>> arm,timer-primary = &timer2; >>> >> >> It looks like you accidentally copied the ranges from keystone, even >> though that has a 64-bit root bus and you only have 32-bit. > > Nah it was no accident, just good old incompetence ;-) > >> I suspect what you want is >> >> dma-ranges = <0x80000000 0 0x80000000>; >> >> to translate dma_addr_t 0x80000000-0xffffffff to phys_addr_t 0x0-0x7fffffff >> rather than phys_addr_t 0x800000000-0x87fffffff. > Interesting. Where does the ROM address space resides on integrator then considering address 0 is used for DMA. > Thanks, I'll fix up my patch. > Feel free to add my ack after the fixup if you need one. regards, Santosh -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html