On Mon, Jan 6, 2020 at 7:10 AM Matwey V. Kornilov <matwey@xxxxxxxxxx> wrote: > > BeagleBone Black series is equipped with 512MB RAM > whereas only 256MB is included from am335x-bone-common.dtsi FYI: While all versions from the factory are 512MB, some 3rd parties offered 1GB reballing upgrades.. and the SanCloud variant which uses this file, was built with 1GB: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm/boot/dts/am335x-sancloud-bbe.dts > > This leads to an issue with unusual setups when devicetree > is loaded by GRUB2 directly. It's a miracle, since when did GRUB2 gain this ability? > > Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx> > --- > arch/arm/boot/dts/am335x-boneblack-common.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-boneblack-common.dtsi b/arch/arm/boot/dts/am335x-boneblack-common.dtsi > index 7ad079861efd..91f93bc89716 100644 > --- a/arch/arm/boot/dts/am335x-boneblack-common.dtsi > +++ b/arch/arm/boot/dts/am335x-boneblack-common.dtsi > @@ -131,6 +131,11 @@ > }; > > / { > + memory@80000000 { > + device_type = "memory"; > + reg = <0x80000000 0x20000000>; /* 512 MB */ > + }; > + > clk_mcasp0_fixed: clk_mcasp0_fixed { > #clock-cells = <0>; > compatible = "fixed-clock"; > -- > 2.16.4 > -- Robert Nelson https://rcn-ee.com/