On Wed, May 28, 2014 at 4:04 PM, Santosh Shilimkar <santosh.shilimkar@xxxxxx> wrote: > On Wednesday 28 May 2014 09:32 AM, Linus Walleij wrote: >>> 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. The ROM is at physical address 0x20000000, don't ask me why :-) The RAM is typically at 0x00000000-0x0fffffff, on up to four parallell tiles, i.e. up to four completely independent CPUs are booted off the same ROM and using a set of shared peripherals. >> Thanks, I'll fix up my patch. >> > Feel free to add my ack after the fixup if you need one. Thanks! Yours, Linus Walleij -- 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
