openwrt/target/linux/layerscape/patches-5.4/302-dts-0015-arm64-dts-ls10...

36 lines
1.2 KiB
Diff

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";