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// SPDX-License-Identifier: BSD-3-Clause
/*
* sc8280xp specific modifications required to boot in EL2.
*/
/dts-v1/;
/plugin/;
/* We can't and don't need to use zap shader in EL2 as linux can zap the gpu on it's own. */
&gpu {
zap-shader {
status = "disabled";
};
};
/*
* When running under QHEE, this IOMMU is controlled by the firmware,
* however when we take ownership of it in EL2, we need to configure
* it properly to use PCIe.
*/
&pcie2a {
iommu-map = <0 &pcie_smmu 0x20000 0x10000>;
};
&pcie2b {
iommu-map = <0 &pcie_smmu 0x30000 0x10000>;
};
&pcie3a {
iommu-map = <0 &pcie_smmu 0x40000 0x10000>;
};
&pcie3b {
iommu-map = <0 &pcie_smmu 0x50000 0x10000>;
};
&pcie4 {
iommu-map = <0 &pcie_smmu 0x60000 0x10000>;
};
&pcie_smmu {
status = "okay";
};
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