On Wednesday 28 May 2014 10:23:09 Linus Walleij wrote:
> diff --git a/arch/arm/boot/dts/integratorap.dts
> b/arch/arm/boot/dts/integratorap.dts
> index b10e6351da53..f0c397fd45c5 100644
> --- a/arch/arm/boot/dts/integratorap.dts
> +++ b/arch/arm/boot/dts/integratorap.dts
> @@ -8,6 +8,7 @@
> / {
> 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.
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.
Arnd
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