hw/arm/b-l475e-iot01a.c

2  * B-L475E-IOT01A Discovery Kit machine
3  * (B-L475E-IOT01A IoT Node)
5  * Copyright (c) 2023-2024 Arnaud Minier <arnaud.minier@telecom-paris.fr>
6  * Copyright (c) 2023-2024 Inès Varhol <ines.varhol@telecom-paris.fr>
8  * SPDX-License-Identifier: GPL-2.0-or-later
11  * See the COPYING file in the top-level directory.
21  * Discovery kit for IoT node, multi-channel communication with STM32L4.
22  * https://www.st.com/en/evaluation-tools/b-l475e-iot01a.html#documentation
28 #include "hw/qdev-properties.h"
29 #include "qemu/error-report.h"
31 #include "hw/core/split-irq.h"
36 /* B-L475E-IOT01A implementation is inspired from netduinoplus2 and arduino */
62 #define TYPE_B_L475E_IOT01A MACHINE_TYPE_NAME("b-l475e-iot01a")
80     object_initialize_child(OBJECT(machine), "soc", &s->soc,  in bl475e_init()
82     sysbus_realize(SYS_BUS_DEVICE(&s->soc), &error_fatal);  in bl475e_init()
84     sc = STM32L4X5_SOC_GET_CLASS(&s->soc);  in bl475e_init()
85     armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename, 0,  in bl475e_init()
86                        sc->flash_size);  in bl475e_init()
90                                 &s->dm163, TYPE_DM163);  in bl475e_init()
91         dev = DEVICE(&s->dm163);  in bl475e_init()
95             object_initialize_child(OBJECT(machine), "gpio-out-splitters[*]",  in bl475e_init()
96                                     &s->gpio_splitters[i], TYPE_SPLIT_IRQ);  in bl475e_init()
97             gpio_out_splitter = DEVICE(&s->gpio_splitters[i]);  in bl475e_init()
98             qdev_prop_set_uint32(gpio_out_splitter, "num-lines", 2);  in bl475e_init()
102                 qdev_get_gpio_in(DEVICE(&s->soc), dm163_input[i]));  in bl475e_init()
107             qdev_connect_gpio_out(DEVICE(&s->soc.gpio[gpio]), pin,  in bl475e_init()
117         ARM_CPU_TYPE_NAME("cortex-m4"),  in bl475e_machine_init()
120     mc->desc = "B-L475E-IOT01A Discovery Kit (Cortex-M4)";  in bl475e_machine_init()
121     mc->init = bl475e_init;  in bl475e_machine_init()
122     mc->valid_cpu_types = machine_valid_cpu_types;  in bl475e_machine_init()
124     /* SRAM pre-allocated as part of the SoC instantiation */  in bl475e_machine_init()
125     mc->default_ram_size = 0;  in bl475e_machine_init()