Hi Chen-Yu, >>> + >>> + memory { >>> + reg = <0x20000000 0x40000000>; >> >> Usually, what we put there was the maximum amount of RAM that can be >> handled by the SoC. I think that it can go above 1GB > > With LPAE, it can handle 8GB. But the DT won't take 64bit values. > I'm not sure how to get it in. I'll look around for examples. You can have a look on what we did for Armada XP: arch/arm/boot/dts/armada-370-xp.dtsi arch/arm/boot/dts/armada-xp.dtsi arch/arm/boot/dts/armada-xp-gp.dts I created a skeleton64.dtsi for this case Gregory -- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- 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