diff options
| author | Ard Biesheuvel <ardb@kernel.org> | 2019-12-03 18:23:03 +0300 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2022-03-24 21:49:54 +0300 |
| commit | dd5c160655e24c1a86b1f23e870b69f6aaa80646 (patch) | |
| tree | 600554aec5e651628b27908471177ff13b64d26d /arch/arm64/boot/dts/amd | |
| parent | acd9208ef8a4e1dc0e1d835fab284ca717a01f93 (diff) | |
| download | linux-dd5c160655e24c1a86b1f23e870b69f6aaa80646.tar.xz | |
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>
Diffstat (limited to 'arch/arm64/boot/dts/amd')
| -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 */ |