From 85a2d124cdcae616d651a90fca1c3e1e06e0b91b Mon Sep 17 00:00:00 2001 From: Sharath Kumar Dasari Date: Mon, 5 Jun 2023 13:59:51 +0200 Subject: [PATCH] arm64: zynqmp: Fix the memory node for k26/k24 kria som boards 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 Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/57452d16df2d48593de206bebf877d2c2cfe7bf1.1685966389.git.michal.simek@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 f6ed047f3d..eac0b55de3 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; -- 2.39.5