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authorRobin Murphy <robin.murphy@arm.com>2017-01-18 12:12:50 +0000
committerSudeep Holla <sudeep.holla@arm.com>2017-01-18 14:01:02 +0000
commit193d00a2b35ee3353813b4006a18131122087205 (patch)
tree45b7a057b4cac8781d2b780a05749e40ba72089e /arch/arm64/boot/dts/arm
parentcde6f9ab10c6099f5e8daed898a43562b9911b70 (diff)
downloadblackbird-op-linux-193d00a2b35ee3353813b4006a18131122087205.tar.gz
blackbird-op-linux-193d00a2b35ee3353813b4006a18131122087205.zip
arm64: dts: juno: add dma-ranges property
The interconnects around Juno have a 40-bit address width, and DMA masters have no restrictions beyond their own individual limitations. Describe this to ensure that DT-based DMA masks get set up correctly for all devices capable of 40-bit addressing. Acked-by: Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'arch/arm64/boot/dts/arm')
-rw-r--r--arch/arm64/boot/dts/arm/juno-base.dtsi1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index d410b9705dd6..3d2ff408589d 100644
--- a/arch/arm64/boot/dts/arm/juno-base.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-base.dtsi
@@ -4,6 +4,7 @@
/*
* Devices shared by all Juno boards
*/
+ dma-ranges = <0 0 0 0 0x100 0>;
memtimer: timer@2a810000 {
compatible = "arm,armv7-timer-mem";
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