Messages in this thread | | | Date | Mon, 10 Jul 2023 12:06:33 +0200 | Subject | Re: [PATCH] arm64: zynqmp: Add memory reserved node for k26 Kria SOM board | From | Michal Simek <> |
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On 6/12/23 09:41, Michal Simek wrote: > From: Sharath Kumar Dasari <sharath.kumar.dasari@xilinx.com> > > PMUFW (Power Management Unit firmware) requires top 1MB of the lower DDR > memory reserved for its operation, this is missing in k26 SM static dts > file. Bootloader or kernel shouldn't access this location. > > Signed-off-by: Sharath Kumar Dasari <sharath.kumar.dasari@xilinx.com> > Signed-off-by: Michal Simek <michal.simek@amd.com> > --- > > arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts > index c1f21b0e1760..c4774a42d5fc 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts > +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts > @@ -50,6 +50,17 @@ memory@0 { > reg = <0x0 0x0 0x0 0x80000000>, <0x8 0x00000000 0x0 0x80000000>; > }; > > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + pmu_region: pmu@7ff00000 { > + reg = <0x0 0x7ff00000 0x0 0x100000>; > + no-map; > + }; > + }; > + > gpio-keys { > compatible = "gpio-keys"; > autorepeat;
Applied. M
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