t23x: nv-public: Build android kdump DTBOs

Create dts files for enabling kdump
Separate android bootargs into header file

Bug 4652476

Change-Id: I357c6579da819316800c7fd33034788bcb77c3d2
Signed-off-by: Bhavik Joshi <bhavikj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3164575
Reviewed-by: svcacv <svcacv@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>

include/platforms/dt-bindings/tegra234-android-bootargs.h

@@ -0,0 +1,22 @@
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2024, NVIDIA CORPORATION.  All rights reserved.
+ * SPDX-License-Identifier: LicenseRef-NvidiaProprietary
+ *
+ * NVIDIA Corporation and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA Corporation is strictly prohibited.
+ */
+
+// Definitions for tegra234 android bootargs
+
+// Make sure ANDROID_BOOTARGS and ANDROID_KDUMP_BOOTARGS are consistent except the later has "crashkernel=512M enforcing=0 androidboot.selinux=permissive" appended
+#define ANDROID_BOOTARGS       "androidboot.boot_devices=bus@0/3460000.mmc console=ttyTCU0,115200 rootfstype=ext4 mminit_loglevel=4 androidboot.slot_suffix=_a androidboot.hypervisor=disabled androidboot.verifiedbootstate=orange androidboot.xudc=3550000.usb androidboot.hardware=t234ref loop.max_part=7 firmware_class.path=/vendor/firmware"
+
+#define ANDROID_KDUMP_BOOTARGS "androidboot.boot_devices=bus@0/3460000.mmc console=ttyTCU0,115200 rootfstype=ext4 mminit_loglevel=4 androidboot.slot_suffix=_a androidboot.hypervisor=disabled androidboot.verifiedbootstate=orange androidboot.xudc=3550000.usb androidboot.hardware=t234ref loop.max_part=7 firmware_class.path=/vendor/firmware crashkernel=512M enforcing=0 androidboot.selinux=permissive"
+
+// Make sure ANDROID_FIRESPRAY_BOOTARGS and ANDROID_FIRESPRAY_KDUMP_BOOTARGS are consistent except the later has "crashkernel=512M" appended
+#define ANDROID_FIRESPRAY_BOOTARGS       "androidboot.boot_devices=bus@0/3460000.mmc console=ttyTCU0,115200 rootfstype=ext4 mminit_loglevel=4 enforcing=0 androidboot.selinux=permissive androidboot.slot_suffix=_a androidboot.hypervisor=disabled androidboot.verifiedbootstate=orange androidboot.xudc=3550000.usb androidboot.hardware=t234ref loop.max_part=7 firmware_class.path=/vendor/firmware androidboot.serialno=1423522020643"
+
+#define ANDROID_FIRESPRAY_KDUMP_BOOTARGS "androidboot.boot_devices=bus@0/3460000.mmc console=ttyTCU0,115200 rootfstype=ext4 mminit_loglevel=4 enforcing=0 androidboot.selinux=permissive androidboot.slot_suffix=_a androidboot.hypervisor=disabled androidboot.verifiedbootstate=orange androidboot.xudc=3550000.usb androidboot.hardware=t234ref loop.max_part=7 firmware_class.path=/vendor/firmware androidboot.serialno=1423522020643 crashkernel=512M"

overlay/Makefile

@@ -11,6 +11,11 @@ makefile-path := t23x/nv-public/overlay
 
 dtbo-y += tegra-optee.dtbo
 dtbo-y += tegra234-android.dtbo
+# Build Kdump DTBOs for Android
+ifeq ($(CONFIG_TEGRA_SYSTEM_TYPE_ACK),y)
+dtbo-y += tegra234-android-kdump.dtbo
+dtbo-y += tegra234-android-crash-kernel.dtbo
+endif
 dtbo-y += tegra234-audio-overlay.dtbo
 dtbo-y += tegra234-carveouts.dtbo
 dtbo-y += tegra234-dcb-p3767-0000-hdmi.dtbo

overlay/tegra234-android-crash-kernel.dts

@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+//
+// This file contains the DT reserved-memory disable nodes of the kdump crash kernel
+
+/dts-v1/;
+/plugin/;
+
+/ {
+    fragment-t234-android@0 {
+ 		target-path = "/";
+		__overlay__ {
+			reserved-memory {
+				linux,cma {
+				    status = "disabled";
+				};
+				fsi-carveout {
+				    status = "disabled";
+				};
+				pva-carveout {
+				    status = "disabled";
+				};
+				rce-reservation {
+				    status = "disabled";
+				};
+				ramoops_carveout {
+				    status = "disabled";
+				};
+				vpr-carveout {
+				    status = "disabled";
+				};
+				camdbg_carveout {
+				    status = "disabled";
+				};
+			};
+		};
+	};
+};

overlay/tegra234-android-kdump.dts

@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// SPDX-FileCopyrightText: Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+//
+// This file contains the Android bootargs for the kdump enabled kernel
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/tegra234-android-bootargs.h>
+
+/ {
+	fragment-t234-android@0 {
+		target-path = "/";
+		 __overlay__ {
+			chosen {
+				bootargs=ANDROID_KDUMP_BOOTARGS;
+			};
+		 };
+	};
+};

overlay/tegra234-android.dts

@@ -1,11 +1,13 @@
 // SPDX-License-Identifier: GPL-2.0-only
-// SPDX-FileCopyrightText: Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
+// SPDX-FileCopyrightText: Copyright (c) 2022-2024, NVIDIA CORPORATION & AFFILIATES.  All rights reserved.
 //
 // This file contains the DT nodes of T234 which are not in base/tegra234.dtsi
 
 /dts-v1/;
 /plugin/;
 
+#include <dt-bindings/tegra234-android-bootargs.h>
+
 / {
 	fragment-t234-android@0 {
 		target-path = "/";
@@ -24,7 +26,7 @@
 
 			chosen {
 				use_dts_cmdline;
-				bootargs ="androidboot.boot_devices=bus@0/3460000.mmc console=ttyTCU0,115200 rootfstype=ext4 mminit_loglevel=4 androidboot.slot_suffix=_a androidboot.hypervisor=disabled androidboot.verifiedbootstate=orange androidboot.xudc=3550000.usb androidboot.hardware=t234ref loop.max_part=7 firmware_class.path=/vendor/firmware";
+				bootargs=ANDROID_BOOTARGS;
 			};
 
 			bus@0 {