1 files changed, 35 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/302-dts-0015-arm64-dts-ls104x-add-missing-dma-ranges-property.patch b/target/linux/layerscape/patches-5.4/302-dts-0015-arm64-dts-ls104x-add-missing-dma-ranges-property.patch
new file mode 100644
index 0000000000..ebcbf36e75
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/302-dts-0015-arm64-dts-ls104x-add-missing-dma-ranges-property.patch
@@ -0,0 +1,35 @@
+From f656c67b9522f18e38394fe5b6e00302c0c8ceb8 Mon Sep 17 00:00:00 2001
+From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
+Date: Thu, 17 May 2018 11:40:07 +0300
+Subject: [PATCH] arm64: dts: ls104x: add missing dma ranges property
+
+These chips have a 48-bit address size so make sure that the dma-ranges
+reflects this. Otherwise the linux kernel's dma sub-system will set
+the default dma masks to full 64-bit, badly breaking dmas.
+
+Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
+---
+ arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi | 1 +
+ arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 1 +
+ 2 files changed, 2 insertions(+)
+
+--- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
++++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
+@@ -218,6 +218,7 @@
+ 		#address-cells = <2>;
+ 		#size-cells = <2>;
+ 		ranges;
++		dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
+ 
+ 		clockgen: clocking@1ee1000 {
+ 			compatible = "fsl,ls1043a-clockgen";
+--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
++++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+@@ -190,6 +190,7 @@
+ 		#address-cells = <2>;
+ 		#size-cells = <2>;
+ 		ranges;
++		dma-ranges = <0x0 0x0 0x0 0x0 0x10000 0x00000000>;
+ 
+ 		ddr: memory-controller@1080000 {
+ 			compatible = "fsl,qoriq-memory-controller";