Accesses via 0x80000000 go through the ACP instead of using the DDR directly. Unfortunately the ACP has proven to be the cause of complete system hangs. Disabling the ACP makes these problems go away. Signed-off-by: Niklas Cassel <niklas.cassel@xxxxxxxx> --- arch/arm/boot/dts/artpec6.dtsi | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/artpec6.dtsi b/arch/arm/boot/dts/artpec6.dtsi index 2ed11773048d..d9776a97d8ff 100644 --- a/arch/arm/boot/dts/artpec6.dtsi +++ b/arch/arm/boot/dts/artpec6.dtsi @@ -185,8 +185,7 @@ #address-cells = <0x1>; #size-cells = <0x1>; ranges; - dma-ranges = <0x80000000 0x00000000 0x40000000>; - dma-coherent; + dma-ranges; ethernet: ethernet@f8010000 { clock-names = "phy_ref_clk", "apb_pclk"; -- 2.14.2 -- 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