From 3cb1087861fe1fdde4a43d177b33e1606915e035 Mon Sep 17 00:00:00 2001
From: Chris Guikema <chris.guikema@dornerworks.com>
Date: Fri, 26 Jan 2024 10:17:42 -0500
Subject: [PATCH] vm_minimal, zcu102: add petalinux 2018.3 support

This commit adds a subdirectory for the devices.camkes file, allowing
each petalinux version to have its own minimal support.

Signed-off-by: Chris Guikema <chris.guikema@dornerworks.com>
---
 apps/Arm/vm_minimal/CMakeLists.txt            | 25 ++++----
 apps/Arm/vm_minimal/settings.cmake            |  1 -
 .../vm_minimal/zcu102/2018_3/devices.camkes   | 57 +++++++++++++++++++
 .../zcu102/{ => 2021_1}/devices.camkes        |  0
 4 files changed, 72 insertions(+), 11 deletions(-)
 create mode 100644 apps/Arm/vm_minimal/zcu102/2018_3/devices.camkes
 rename apps/Arm/vm_minimal/zcu102/{ => 2021_1}/devices.camkes (100%)

diff --git a/apps/Arm/vm_minimal/CMakeLists.txt b/apps/Arm/vm_minimal/CMakeLists.txt
index b4fc6474..c46691a6 100644
--- a/apps/Arm/vm_minimal/CMakeLists.txt
+++ b/apps/Arm/vm_minimal/CMakeLists.txt
@@ -147,19 +147,24 @@ elseif("${KernelARMPlatform}" STREQUAL "zcu102")
 
     set(dts_file "${CAMKES_VM_IMAGES_DIR}/zynqmp/${VmZynqmpPetalinuxVersion}/linux.dts")
 
-    add_custom_command(
-        OUTPUT linux/linux-dtb
-        COMMAND
-            dtc -q -I dts -O dtb -o linux/linux-dtb ${dts_file}
-        VERBATIM
-        DEPENDS ${dts_file}
-    )
+    # Petalinux 2018.3 can simply use the kernel device tree
+    if(VmZynqmpPetalinux2021_1)
+        add_custom_command(
+            OUTPUT linux/linux-dtb
+            COMMAND
+                dtc -q -I dts -O dtb -o linux/linux-dtb ${dts_file}
+            VERBATIM
+            DEPENDS ${dts_file}
+        )
 
-    # Create custom target for setting the dtb
-    add_custom_target(set_dtb DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/linux/linux-dtb")
-    AddToFileServer("linux-dtb" "${CMAKE_CURRENT_BINARY_DIR}/linux/linux-dtb" DEPENDS set_dtb)
+        # Create custom target for setting the dtb
+        add_custom_target(set_dtb DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/linux/linux-dtb")
+        AddToFileServer("linux-dtb" "${CMAKE_CURRENT_BINARY_DIR}/linux/linux-dtb" DEPENDS set_dtb)
+    endif()
 
     list(APPEND cpp_includes "${CAMKES_VM_DIR}/components/VM_Arm/plat_include/zynqmp")
+
+    CAmkESAddImportPath(${KernelARMPlatform}/${VmZynqmpPetalinuxVersion})
 endif()
 
 AddCamkesCPPFlag(cpp_flags CONFIG_VARS VmEmmc2NoDMA VmVUSB Tk1DeviceFwd Tk1Insecure)
diff --git a/apps/Arm/vm_minimal/settings.cmake b/apps/Arm/vm_minimal/settings.cmake
index ff385ada..42a5d867 100644
--- a/apps/Arm/vm_minimal/settings.cmake
+++ b/apps/Arm/vm_minimal/settings.cmake
@@ -39,5 +39,4 @@ endif()
 if(${PLATFORM} STREQUAL "zcu102")
     set(AARCH64 ON CACHE BOOL "" FORCE)
     set(KernelAllowSMCCalls ON CACHE BOOL "" FORCE)
-    set(VmZynqmpPetalinuxVersion 2021_1 CACHE STRING "" FORCE)
 endif()
diff --git a/apps/Arm/vm_minimal/zcu102/2018_3/devices.camkes b/apps/Arm/vm_minimal/zcu102/2018_3/devices.camkes
new file mode 100644
index 00000000..281c6092
--- /dev/null
+++ b/apps/Arm/vm_minimal/zcu102/2018_3/devices.camkes
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2023, DornerWorks
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <plat/smc.h>
+#include <configurations/vm.h>
+
+#define VM_INITRD_MAX_SIZE 0x1900000 //25 MB
+#define VM_RAM_BASE 0x10000000
+#define VM_RAM_SIZE 0x10000000
+#define VM_ENTRY_ADDR 0x10080000
+#define VM_RAM_OFFSET 0
+#define VM_DTB_ADDR 0x12000000
+#define VM_INITRD_ADDR 0x13000000
+
+assembly {
+	composition {}
+	configuration {
+
+        vm0.vm_address_config = {
+            "ram_base" : VAR_STRINGIZE(VM_RAM_BASE),
+            "ram_paddr_base" : VAR_STRINGIZE(VM_RAM_BASE),
+            "ram_size" : VAR_STRINGIZE(VM_RAM_SIZE),
+            "dtb_addr" : VAR_STRINGIZE(VM_DTB_ADDR),
+            "initrd_addr" : VAR_STRINGIZE(VM_INITRD_ADDR),
+            "kernel_entry_addr" : VAR_STRINGIZE(VM_ENTRY_ADDR),
+        };
+        vm0.num_vcpus = 4;
+
+        /* Extra untyped pool to allow for 256MB of RAM */
+        vm0.simple_untyped28_pool = 1;
+
+        vm0.vm_image_config = {
+            "kernel_name" : "linux",
+            "initrd_name" : "linux-initrd",
+            "kernel_bootcmdline" : "console=ttyPS0,115200 root=/dev/ram rw earlycon clk_ignore_unused",
+            "kernel_stdout" : "serial0:115200n8",
+            "generate_dtb" : true,
+            "provide_dtb" : false,
+            "map_one_to_one" : false,
+            "provide_initrd": true,
+            "clean_cache" : false,
+        };
+
+        vm0.dtb = dtb([{"path": "/amba/serial@ff000000"} ]);
+
+        vm0.untyped_mmios = ["0xf9060000:12"]; // Interrupt Controller Virtual CPU interface (Virtual Machine view)
+
+        vm0.plat_keep_devices = [];
+        vm0.plat_keep_devices_and_subtree = [];
+
+        vm0.allow_smc = false;
+        vm0.allowed_smc_functions = [];
+	}
+}
diff --git a/apps/Arm/vm_minimal/zcu102/devices.camkes b/apps/Arm/vm_minimal/zcu102/2021_1/devices.camkes
similarity index 100%
rename from apps/Arm/vm_minimal/zcu102/devices.camkes
rename to apps/Arm/vm_minimal/zcu102/2021_1/devices.camkes