sc8280xp-el2.dtso

 1// SPDX-License-Identifier: BSD-3-Clause
 2
 3/*
 4 * sc8280xp specific modifications required to boot in EL2.
 5 */
 6
 7/dts-v1/;
 8/plugin/;
 9
10/* We can't and don't need to use zap shader in EL2 as linux can zap the gpu on it's own. */
11&gpu_zap_shader {
12	status = "disabled";
13};
14
15/*
16 * When running under QHEE, this IOMMU is controlled by the firmware,
17 * however when we take ownership of it in EL2, we need to configure
18 * it properly to use PCIe.
19 */
20&pcie2a {
21	iommu-map = <0 &pcie_smmu 0x20000 0x10000>;
22};
23
24&pcie2b {
25	iommu-map = <0 &pcie_smmu 0x30000 0x10000>;
26};
27
28&pcie3a {
29	iommu-map = <0 &pcie_smmu 0x40000 0x10000>;
30};
31
32&pcie3b {
33	iommu-map = <0 &pcie_smmu 0x50000 0x10000>;
34};
35
36&pcie4 {
37	iommu-map = <0 &pcie_smmu 0x60000 0x10000>;
38};
39
40&pcie_smmu {
41	status = "okay";
42};