| /* |
| * B-L475E-IOT01A Discovery Kit machine |
| * (B-L475E-IOT01A IoT Node) |
| * |
| * Copyright (c) 2023-2024 Arnaud Minier <arnaud.minier@telecom-paris.fr> |
| * Copyright (c) 2023-2024 Inès Varhol <ines.varhol@telecom-paris.fr> |
| * |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| * See the COPYING file in the top-level directory. |
| * |
| * This work is heavily inspired by the netduinoplus2 by Alistair Francis. |
| * Original code is licensed under the MIT License: |
| * |
| * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> |
| */ |
| |
| /* |
| * The reference used is the STMicroElectronics UM2153 User manual |
| * Discovery kit for IoT node, multi-channel communication with STM32L4. |
| * https://www.st.com/en/evaluation-tools/b-l475e-iot01a.html#documentation |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "qapi/error.h" |
| #include "hw/boards.h" |
| #include "hw/qdev-properties.h" |
| #include "qemu/error-report.h" |
| #include "hw/arm/stm32l4x5_soc.h" |
| #include "hw/arm/boot.h" |
| |
| /* B-L475E-IOT01A implementation is derived from netduinoplus2 */ |
| |
| #define TYPE_B_L475E_IOT01A MACHINE_TYPE_NAME("b-l475e-iot01a") |
| OBJECT_DECLARE_SIMPLE_TYPE(Bl475eMachineState, B_L475E_IOT01A) |
| |
| typedef struct Bl475eMachineState { |
| MachineState parent_obj; |
| |
| Stm32l4x5SocState soc; |
| } Bl475eMachineState; |
| |
| static void bl475e_init(MachineState *machine) |
| { |
| Bl475eMachineState *s = B_L475E_IOT01A(machine); |
| const Stm32l4x5SocClass *sc; |
| |
| object_initialize_child(OBJECT(machine), "soc", &s->soc, |
| TYPE_STM32L4X5XG_SOC); |
| sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_fatal); |
| |
| sc = STM32L4X5_SOC_GET_CLASS(&s->soc); |
| armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename, 0, |
| sc->flash_size); |
| } |
| |
| static void bl475e_machine_init(ObjectClass *oc, void *data) |
| { |
| MachineClass *mc = MACHINE_CLASS(oc); |
| static const char *machine_valid_cpu_types[] = { |
| ARM_CPU_TYPE_NAME("cortex-m4"), |
| NULL |
| }; |
| mc->desc = "B-L475E-IOT01A Discovery Kit (Cortex-M4)"; |
| mc->init = bl475e_init; |
| mc->valid_cpu_types = machine_valid_cpu_types; |
| |
| /* SRAM pre-allocated as part of the SoC instantiation */ |
| mc->default_ram_size = 0; |
| } |
| |
| static const TypeInfo bl475e_machine_type[] = { |
| { |
| .name = TYPE_B_L475E_IOT01A, |
| .parent = TYPE_MACHINE, |
| .instance_size = sizeof(Bl475eMachineState), |
| .class_init = bl475e_machine_init, |
| } |
| }; |
| |
| DEFINE_TYPES(bl475e_machine_type) |