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hw/arm: Add minimal support for the STM32L4x5 SoC

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This patch adds a new STM32L4x5 SoC, it is necessary to add support for
the B-L475E-IOT01A board.
The implementation is derived from the STM32F405 SoC.
The implementation contains no peripherals, only memory regions are
implemented.

Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Arnaud Minier <arnaud.minier@telecom-paris.fr>
Signed-off-by: Inès Varhol <ines.varhol@telecom-paris.fr>
Message-id: 20240108135849.351719-2-ines.varhol@telecom-paris.fr
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Inès Varhol 2024-01-08 14:58:28 +01:00 • committed by Peter Maydell
parent f7f5784af1
commit 04a7c7b130
5 changed files with 336 additions and 0 deletions
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57
include/hw/arm/stm32l4x5_soc.h Normal file
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/*
* STM32L4x5 SoC family
*
* Copyright (c) 2023 Arnaud Minier <arnaud.minier@telecom-paris.fr>
* Copyright (c) 2023 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 stm32f405_soc 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 RM0351 Reference manual
* for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs.
* https://www.st.com/en/microcontrollers-microprocessors/stm32l4x5/documentation.html
*/
#ifndef HW_ARM_STM32L4x5_SOC_H
#define HW_ARM_STM32L4x5_SOC_H
#include "exec/memory.h"
#include "hw/arm/armv7m.h"
#include "qom/object.h"
#define TYPE_STM32L4X5_SOC "stm32l4x5-soc"
#define TYPE_STM32L4X5XC_SOC "stm32l4x5xc-soc"
#define TYPE_STM32L4X5XE_SOC "stm32l4x5xe-soc"
#define TYPE_STM32L4X5XG_SOC "stm32l4x5xg-soc"
OBJECT_DECLARE_TYPE(Stm32l4x5SocState, Stm32l4x5SocClass, STM32L4X5_SOC)
struct Stm32l4x5SocState {
SysBusDevice parent_obj;
ARMv7MState armv7m;
MemoryRegion sram1;
MemoryRegion sram2;
MemoryRegion flash;
MemoryRegion flash_alias;
Clock *sysclk;
Clock *refclk;
};
struct Stm32l4x5SocClass {
SysBusDeviceClass parent_class;
size_t flash_size;
};
#endif