boards: arm: mps2: Add support for mps2/an385 in fvp

Adds fvp support for an385.
Qualifier to build or run application with fvp is mps2/an385

Signed-off-by: Samuel Chee <samche01@arm.com>

boards/arm/mps2/board.cmake

@@ -1,9 +1,8 @@
 # SPDX-License-Identifier: Apache-2.0
 # Copyright 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
 
-
-set(SUPPORTED_EMU_PLATFORMS qemu)
 if(CONFIG_BOARD_MPS2_AN385)
+  set(SUPPORTED_EMU_PLATFORMS qemu armfvp)
   set(QEMU_CPU_TYPE_${ARCH} cortex-m3)
   set(QEMU_FLAGS_${ARCH}
     -cpu ${QEMU_CPU_TYPE_${ARCH}}
@@ -11,6 +10,7 @@ if(CONFIG_BOARD_MPS2_AN385)
     -nographic
     -vga none
     )
+  set(ARMFVP_BIN_NAME FVP_MPS2_Cortex-M3)
 elseif(CONFIG_BOARD_MPS2_AN383)
   set(SUPPORTED_EMU_PLATFORMS armfvp)
   set(ARMFVP_BIN_NAME FVP_MPS2_Cortex-M0plus)
@@ -23,6 +23,7 @@ elseif(CONFIG_BOARD_MPS2_AN386)
   set(SUPPORTED_EMU_PLATFORMS armfvp)
   set(ARMFVP_BIN_NAME FVP_MPS2_Cortex-M4)
 elseif(CONFIG_BOARD_MPS2_AN521_CPU0 OR CONFIG_BOARD_MPS2_AN521_CPU0_NS OR CONFIG_BOARD_MPS2_AN521_CPU1)
+  set(SUPPORTED_EMU_PLATFORMS qemu)
   set(QEMU_CPU_TYPE_${ARCH} cortex-m33)
   set(QEMU_FLAGS_${ARCH}
     -cpu ${QEMU_CPU_TYPE_${ARCH}}

boards/arm/mps2/doc/mps2_an385.rst

@@ -6,7 +6,7 @@ ARM V2M MPS2 AN385
 Overview
 ********
 
-The mps2/an385 board configuration is used by Zephyr applications that run on
+The ``mps2/an385`` board target is used by Zephyr applications that run on
 the V2M MPS2 board. It provides support for the ARM Cortex-M3 (AN385) CPU and
 the following devices:
 
@@ -18,15 +18,15 @@ the following devices:
      :align: center
      :alt: ARM V2M MPS2
 
-In addition to enabling actual hardware usage, this board configuration can
-also use QEMU to emulate the AN385 platform running on the MPS2+.
+In addition to enabling actual hardware usage, this board target can
+also use QEMU and FVP to emulate the AN385 platform running on the MPS2+.
 
 More information about the board can be found at the `V2M MPS2 Website`_.
 
 The Application Note AN385 can be found at `Application Note AN385`_.
 
 .. note::
-   This board configuration makes no claims about its suitability for use
+   This board target makes no claims about its suitability for use
    with actual MPS2 hardware systems using AN385, or any other hardware
    system. It has been tested on actual hardware, but its primary purpose is
    for use with QEMU and unit tests.
@@ -62,7 +62,7 @@ ARM V2M MPS2 provides the following hardware components:
 Supported Features
 ==================
 
-The mps2/an385 board configuration supports the following hardware features:
+The ``mps2/an385`` board target supports the following hardware features:
 
 +-----------+------------+-------------------------------------+
 | Interface | Controller | Driver/Component                    |
@@ -279,3 +279,6 @@ the following message:
 
 .. _Application Note AN385:
    http://infocenter.arm.com/help/topic/com.arm.doc.dai0385c/DAI0385C_cortex_m3_on_v2m_mps2.pdf
+
+.. _FVP:
+   https://developer.arm.com/downloads/view/FMFVP

boards/arm/mps2/mps2_an385.dts

@@ -11,6 +11,14 @@
 #include <zephyr/dt-bindings/input/input-event-codes.h>
 #include "mps2_base.dtsi"
 
+/*
+ * FVP does not support uart3 and uart4 whilst QEMU does.
+ * So if using QEMU, you might want to comment out the following two lines
+ */
+
+/delete-node/ &uart3;
+/delete-node/ &uart4;
+
 / {
 	cpus {
 		#address-cells = <1>;

boards/arm/mps2/mps2_an385.yaml

@@ -4,6 +4,8 @@ type: mcu
 arch: arm
 simulation:
   - name: qemu
+  - name: armfvp
+    exec: FVP_MPS2_Cortex-M3
 toolchain:
   - zephyr
   - gnuarmemb