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.
Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
---
These apply on top of Sudeep's for-next/updates/juno branch, which
supercedes the .dtsi cleanup I had locally to make this one work.
Robin.
arch/arm64/boot/dts/arm/juno-base.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/arm/juno-base.dtsi b/arch/arm64/boot/dts/arm/juno-base.dtsi
index 44db27776b9d..5e7640d6ec69 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";
--
2.11.0.dirty
--
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