mirror of
git://nv-tegra.nvidia.com/device/hardware/nvidia/t23x-public-dts.git
synced 2025-12-22 09:12:02 +03:00
774f55c736
The VPR carveout has special security constraints. It must not be
read by the CPU. Add "no-map" property to this region to avoid
issues.
Currently linux-next builds are failing to boot because we hit
an error related to this mapping.
[ 0.000000] Call trace:
[ 0.000000] numa_memblks_init+0x28c/0x32c
[ 0.000000] numa_init+0x48/0x218
[ 0.000000] arch_numa_init+0x48/0x84
[ 0.000000] bootmem_init+0x6c/0x174
[ 0.000000] setup_arch+0x23c/0x5fc
[ 0.000000] start_kernel+0x68/0x710
[ 0.000000] __primary_switched+0x80/0x88
[ 0.000000] Code: a8c77bfd d50323bf d65f03c0 f9800051 (c85f7c46)
Addition of no-map resolves the issue.
Bug 4749580
Change-Id: I16cd52d5ce969d3af5e1814c51e061e2d584cc22
Signed-off-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3208483
(cherry picked from commit bbe01efff9)
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3208601
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
53 lines
1.1 KiB
Devicetree
53 lines
1.1 KiB
Devicetree
// SPDX-License-Identifier: GPL-2.0-only
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// SPDX-FileCopyrightText: Copyright (c) 2023-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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/dts-v1/;
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/plugin/;
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/ {
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overlay-name = "Tegra234 Carveouts Overlay";
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fragment@0 {
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target-path = "/";
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__overlay__ {
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reserved-memory {
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#address-cells = <2>;
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#size-cells = <2>;
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ranges;
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vpr: vpr-carveout {
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compatible = "nvidia,vpr-carveout";
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no-map;
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status = "okay";
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};
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fsi_reserved: fsi-carveout {
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compatible = "nvidia,fsi-carveout";
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size = <0 0x2000000>;
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alignment = <0 0x1000>;
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no-map;
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alloc-ranges = <0x0 0x0 0x1 0x0>;
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status = "okay";
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};
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ramoops_reserved: ramoops_carveout {
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compatible = "ramoops";
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size = <0x0 0x200000>;
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record-size = <0x00010000>;
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console-size = <0x00080000>;
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alignment = <0x0 0x10000>;
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alloc-ranges = <0x0 0x0 0x1 0x0>;
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no-map;
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};
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};
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tegra-carveouts {
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compatible = "nvidia,carveouts";
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memory-region = <&vpr &fsi_reserved>;
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status = "okay";
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};
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};
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};
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};
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