xref: /openbmc/qemu/include/hw/arm/stm32l4x5_soc.h (revision 3b916140)
1 /*
2  * STM32L4x5 SoC family
3  *
4  * Copyright (c) 2023 Arnaud Minier <arnaud.minier@telecom-paris.fr>
5  * Copyright (c) 2023 Inès Varhol <ines.varhol@telecom-paris.fr>
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
10  * See the COPYING file in the top-level directory.
11  *
12  * This work is heavily inspired by the stm32f405_soc by Alistair Francis.
13  * Original code is licensed under the MIT License:
14  *
15  * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
16  */
17 
18 /*
19  * The reference used is the STMicroElectronics RM0351 Reference manual
20  * for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs.
21  * https://www.st.com/en/microcontrollers-microprocessors/stm32l4x5/documentation.html
22  */
23 
24 #ifndef HW_ARM_STM32L4x5_SOC_H
25 #define HW_ARM_STM32L4x5_SOC_H
26 
27 #include "exec/memory.h"
28 #include "hw/arm/armv7m.h"
29 #include "hw/misc/stm32l4x5_syscfg.h"
30 #include "hw/misc/stm32l4x5_exti.h"
31 #include "qom/object.h"
32 
33 #define TYPE_STM32L4X5_SOC "stm32l4x5-soc"
34 #define TYPE_STM32L4X5XC_SOC "stm32l4x5xc-soc"
35 #define TYPE_STM32L4X5XE_SOC "stm32l4x5xe-soc"
36 #define TYPE_STM32L4X5XG_SOC "stm32l4x5xg-soc"
37 OBJECT_DECLARE_TYPE(Stm32l4x5SocState, Stm32l4x5SocClass, STM32L4X5_SOC)
38 
39 struct Stm32l4x5SocState {
40     SysBusDevice parent_obj;
41 
42     ARMv7MState armv7m;
43 
44     Stm32l4x5ExtiState exti;
45     Stm32l4x5SyscfgState syscfg;
46 
47     MemoryRegion sram1;
48     MemoryRegion sram2;
49     MemoryRegion flash;
50     MemoryRegion flash_alias;
51 
52     Clock *sysclk;
53     Clock *refclk;
54 };
55 
56 struct Stm32l4x5SocClass {
57     SysBusDeviceClass parent_class;
58 
59     size_t flash_size;
60 };
61 
62 #endif
63