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| author |   Ard Biesheuvel <ardb@kernel.org> | 2019-12-03 15:23:03 +0000 |
|---|---|---|
| committer |   Arnd Bergmann <arnd@arndb.de> | 2022-03-24 19:49:54 +0100 |
| commit | dd5c160655e24c1a86b1f23e870b69f6aaa80646 (patch) | |
| tree | 600554aec5e651628b27908471177ff13b64d26d | |
| parent | dt: amd-seattle: fix PCIe legacy interrupt routing (diff) | |
| download | linux-dev-dd5c160655e24c1a86b1f23e870b69f6aaa80646.tar.xz linux-dev-dd5c160655e24c1a86b1f23e870b69f6aaa80646.zip | |
dt: amd-seattle: add a description of the PCIe SMMU
Add a description of the SMMU that covers the PCIe host bridge
on AMD Seattle.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
| -rw-r--r-- | arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi index 9fa6890fca35..124e58a76be0 100644 --- a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi +++ b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi @@ -239,6 +239,16 @@ <0x02000000 0x00 0x40000000 0x00 0x40000000 0x00 0x80000000>, /* 64-bit MMIO (size= 508G) */ <0x03000000 0x01 0x00000000 0x01 0x00000000 0x7f 0x00000000>; + iommu-map = <0x0 &pcie_smmu 0x0 0x10000>; + }; + + pcie_smmu: iommu@e0a00000 { + compatible = "arm,mmu-401"; + reg = <0 0xe0a00000 0 0x10000>; + #global-interrupts = <1>; + interrupts = <0 333 4>, <0 333 4>; + #iommu-cells = <1>; + dma-coherent; }; /* Perf CCN504 PMU */ |