Merge remote-tracking branch 'remotes/philmd-gitlab/tags/renesas-20201027' into staging
[qemu.git] / hw / arm / netduino2.c
1 /*
2 * Netduino 2 Machine Model
3 *
4 * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "qapi/error.h"
27 #include "hw/boards.h"
28 #include "hw/qdev-properties.h"
29 #include "qemu/error-report.h"
30 #include "hw/arm/stm32f205_soc.h"
31 #include "hw/arm/boot.h"
32
33 /* Main SYSCLK frequency in Hz (120MHz) */
34 #define SYSCLK_FRQ 120000000ULL
35
36 static void netduino2_init(MachineState *machine)
37 {
38 DeviceState *dev;
39
40 /*
41 * TODO: ideally we would model the SoC RCC and let it handle
42 * system_clock_scale, including its ability to define different
43 * possible SYSCLK sources.
44 */
45 system_clock_scale = NANOSECONDS_PER_SECOND / SYSCLK_FRQ;
46
47 dev = qdev_new(TYPE_STM32F205_SOC);
48 qdev_prop_set_string(dev, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m3"));
49 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
50
51 armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
52 FLASH_SIZE);
53 }
54
55 static void netduino2_machine_init(MachineClass *mc)
56 {
57 mc->desc = "Netduino 2 Machine";
58 mc->init = netduino2_init;
59 mc->ignore_memory_transaction_failures = true;
60 }
61
62 DEFINE_MACHINE("netduino2", netduino2_machine_init)