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// SPDX-License-Identifier: BSD-3-Clause
/*
* x1 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 Gunyah, 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.
*
* Additionally, it seems like ITS emulation in Gunyah is broken so we
* can't use MSI on some PCIe controllers in EL1. But we can add them
* here for EL2.
*/
&pcie3 {
iommu-map = <0 &pcie_smmu 0x30000 0x10000>;
msi-map = <0 &gic_its 0xb0000 0x10000>;
};
&pcie4 {
iommu-map = <0 &pcie_smmu 0x40000 0x10000>;
};
&pcie5 {
iommu-map = <0 &pcie_smmu 0x50000 0x10000>;
msi-map = <0 &gic_its 0xd0000 0x10000>;
};
&pcie6a {
iommu-map = <0 &pcie_smmu 0x60000 0x10000>;
};
&pcie_smmu {
status = "okay";
};
/*
* The "SBSA watchdog" is implemented in software in Gunyah
* and can't be used when running in EL2.
*/
&sbsa_watchdog {
status = "disabled";
};
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