diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2023-05-10 18:03:58 +0900 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2023-06-02 11:30:46 +0200 |
| commit | 86d904b6ef9f5e67a28e0a0bb58df898c08ae0b8 (patch) | |
| tree | 0f71f50e6658f92a5b2e5b9e6ada3d8f612565e1 /arch/arm64/boot/dts/renesas/r8a77980.dtsi | |
| parent | 18cbbdd846c5d74bd56fd1f229d074e1f7068fc8 (diff) | |
arm64: dts: renesas: Add IOMMU related properties into PCIe host nodes
Add iommu-map and iommu-map-mask properties to the PCIe host nodes.
Note that iommu-map-mask should be zero because the IPMMU assigns
one micro TLB ID only, to the PCIe host.
Also change the dma-ranges arguments for IOMMU. Note that dma-ranges
can be used if the IOMMU is disabled.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230510090358.261266-1-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a77980.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a77980.dtsi | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi index c4ac28a0f716..5ed2daaca1f0 100644 --- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi @@ -1386,7 +1386,8 @@ <0x02000000 0 0xfe200000 0 0xfe200000 0 0x0200000>, <0x02000000 0 0x30000000 0 0x30000000 0 0x8000000>, <0x42000000 0 0x38000000 0 0x38000000 0 0x8000000>; - dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x80000000>; + /* Map all possible DDR/IOMMU as inbound ranges */ + dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>; interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>; @@ -1399,6 +1400,8 @@ resets = <&cpg 319>; phys = <&pcie_phy>; phy-names = "pcie"; + iommu-map = <0 &ipmmu_vi0 5 1>; + iommu-map-mask = <0>; status = "disabled"; }; |