From: Sharath Kumar Dasari <sharath.kumar.das...@xilinx.com>

PMUFW requires top 1MB of the lower DDR memory reserved for its operation,
this is missing in k26/k24 sm static dts files because of which U-Boot
throws warning messages "efi_free_pool: illegal free" as EFI puts
some code to that space which shouldn't happen.

Signed-off-by: Sharath Kumar Dasari <sharath.kumar.das...@xilinx.com>
Signed-off-by: Michal Simek <michal.si...@amd.com>
---

 arch/arm/dts/zynqmp-sm-k26-revA.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/dts/zynqmp-sm-k26-revA.dts 
b/arch/arm/dts/zynqmp-sm-k26-revA.dts
index f6ed047f3d9c..eac0b55de368 100644
--- a/arch/arm/dts/zynqmp-sm-k26-revA.dts
+++ b/arch/arm/dts/zynqmp-sm-k26-revA.dts
@@ -50,6 +50,17 @@
                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;
-- 
2.36.1

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