xref: /freebsd/sys/contrib/device-tree/src/arm64/qcom/sc8280xp-el2.dtso (revision ae5de77ed78ae54d86cead5604869212e8008e6b)

// 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";
};