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authorEmmanuel Vadot <manu@FreeBSD.org>2017-10-21 15:18:20 +0000
committerEmmanuel Vadot <manu@FreeBSD.org>2017-10-21 15:18:20 +0000
commitd5464ff11700ac44568e6816e00d1d1427cc46ae (patch)
tree1c388ab705b506c8d0e3f16710bfaa2cbc623262 /Bindings/iommu/arm,smmu-v3.txt
parentf3f213a6f94d330b77b3910f4c66b62aeec50645 (diff)
downloadsrc-d5464ff11700ac44568e6816e00d1d1427cc46ae.tar.gz
src-d5464ff11700ac44568e6816e00d1d1427cc46ae.zip
Notes
Diffstat (limited to 'Bindings/iommu/arm,smmu-v3.txt')
-rw-r--r--Bindings/iommu/arm,smmu-v3.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Bindings/iommu/arm,smmu-v3.txt b/Bindings/iommu/arm,smmu-v3.txt
index be57550e14e4..c9abbf3e4f68 100644
--- a/Bindings/iommu/arm,smmu-v3.txt
+++ b/Bindings/iommu/arm,smmu-v3.txt
@@ -26,6 +26,12 @@ the PCIe specification.
* "priq" - PRI Queue not empty
* "cmdq-sync" - CMD_SYNC complete
* "gerror" - Global Error activated
+ * "combined" - The combined interrupt is optional,
+ and should only be provided if the
+ hardware supports just a single,
+ combined interrupt line.
+ If provided, then the combined interrupt
+ will be used in preference to any others.
- #iommu-cells : See the generic IOMMU binding described in
devicetree/bindings/pci/pci-iommu.txt
@@ -49,6 +55,12 @@ the PCIe specification.
- hisilicon,broken-prefetch-cmd
: Avoid sending CMD_PREFETCH_* commands to the SMMU.
+- cavium,cn9900-broken-page1-regspace
+ : Replaces all page 1 offsets used for EVTQ_PROD/CONS,
+ PRIQ_PROD/CONS register access with page 0 offsets.
+ Set for Cavium ThunderX2 silicon that doesn't support
+ SMMU page1 register space.
+
** Example
smmu@2b400000 {