4c3308c61e
Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr> Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-id: 20240424200929.240921-4-ines.varhol@telecom-paris.fr Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/*
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* B-L475E-IOT01A Discovery Kit machine
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* (B-L475E-IOT01A IoT Node)
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*
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* Copyright (c) 2023-2024 Arnaud Minier <arnaud.minier@telecom-paris.fr>
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* Copyright (c) 2023-2024 Inès Varhol <ines.varhol@telecom-paris.fr>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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* This work is heavily inspired by the netduinoplus2 by Alistair Francis.
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* Original code is licensed under the MIT License:
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*
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* Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
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*/
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/*
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* The reference used is the STMicroElectronics UM2153 User manual
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* Discovery kit for IoT node, multi-channel communication with STM32L4.
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* https://www.st.com/en/evaluation-tools/b-l475e-iot01a.html#documentation
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/boards.h"
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#include "hw/qdev-properties.h"
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#include "qemu/error-report.h"
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#include "hw/arm/stm32l4x5_soc.h"
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#include "hw/arm/boot.h"
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/* B-L475E-IOT01A implementation is derived from netduinoplus2 */
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#define TYPE_B_L475E_IOT01A MACHINE_TYPE_NAME("b-l475e-iot01a")
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OBJECT_DECLARE_SIMPLE_TYPE(Bl475eMachineState, B_L475E_IOT01A)
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typedef struct Bl475eMachineState {
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MachineState parent_obj;
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Stm32l4x5SocState soc;
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} Bl475eMachineState;
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static void bl475e_init(MachineState *machine)
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{
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Bl475eMachineState *s = B_L475E_IOT01A(machine);
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const Stm32l4x5SocClass *sc;
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object_initialize_child(OBJECT(machine), "soc", &s->soc,
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TYPE_STM32L4X5XG_SOC);
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sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_fatal);
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sc = STM32L4X5_SOC_GET_CLASS(&s->soc);
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armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename, 0,
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sc->flash_size);
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}
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static void bl475e_machine_init(ObjectClass *oc, void *data)
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{
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MachineClass *mc = MACHINE_CLASS(oc);
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static const char *machine_valid_cpu_types[] = {
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ARM_CPU_TYPE_NAME("cortex-m4"),
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NULL
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};
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mc->desc = "B-L475E-IOT01A Discovery Kit (Cortex-M4)";
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mc->init = bl475e_init;
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mc->valid_cpu_types = machine_valid_cpu_types;
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/* SRAM pre-allocated as part of the SoC instantiation */
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mc->default_ram_size = 0;
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}
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static const TypeInfo bl475e_machine_type[] = {
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{
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.name = TYPE_B_L475E_IOT01A,
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.parent = TYPE_MACHINE,
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.instance_size = sizeof(Bl475eMachineState),
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.class_init = bl475e_machine_init,
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}
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};
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DEFINE_TYPES(bl475e_machine_type)
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