160d6c427SAlistair Francis /*
260d6c427SAlistair Francis * Netduino Plus 2 Machine Model
360d6c427SAlistair Francis *
460d6c427SAlistair Francis * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
560d6c427SAlistair Francis *
660d6c427SAlistair Francis * Permission is hereby granted, free of charge, to any person obtaining a copy
760d6c427SAlistair Francis * of this software and associated documentation files (the "Software"), to deal
860d6c427SAlistair Francis * in the Software without restriction, including without limitation the rights
960d6c427SAlistair Francis * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
1060d6c427SAlistair Francis * copies of the Software, and to permit persons to whom the Software is
1160d6c427SAlistair Francis * furnished to do so, subject to the following conditions:
1260d6c427SAlistair Francis *
1360d6c427SAlistair Francis * The above copyright notice and this permission notice shall be included in
1460d6c427SAlistair Francis * all copies or substantial portions of the Software.
1560d6c427SAlistair Francis *
1660d6c427SAlistair Francis * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
1760d6c427SAlistair Francis * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
1860d6c427SAlistair Francis * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
1960d6c427SAlistair Francis * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
2060d6c427SAlistair Francis * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
2160d6c427SAlistair Francis * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
2260d6c427SAlistair Francis * THE SOFTWARE.
2360d6c427SAlistair Francis */
2460d6c427SAlistair Francis
2560d6c427SAlistair Francis #include "qemu/osdep.h"
2660d6c427SAlistair Francis #include "qapi/error.h"
2760d6c427SAlistair Francis #include "hw/boards.h"
2860d6c427SAlistair Francis #include "hw/qdev-properties.h"
2966e6a438SPeter Maydell #include "hw/qdev-clock.h"
3060d6c427SAlistair Francis #include "qemu/error-report.h"
3160d6c427SAlistair Francis #include "hw/arm/stm32f405_soc.h"
3260d6c427SAlistair Francis #include "hw/arm/boot.h"
3360d6c427SAlistair Francis
34e7e5a959SPeter Maydell /* Main SYSCLK frequency in Hz (168MHz) */
35e7e5a959SPeter Maydell #define SYSCLK_FRQ 168000000ULL
36e7e5a959SPeter Maydell
netduinoplus2_init(MachineState * machine)3760d6c427SAlistair Francis static void netduinoplus2_init(MachineState *machine)
3860d6c427SAlistair Francis {
3960d6c427SAlistair Francis DeviceState *dev;
4066e6a438SPeter Maydell Clock *sysclk;
4160d6c427SAlistair Francis
4266e6a438SPeter Maydell /* This clock doesn't need migration because it is fixed-frequency */
4366e6a438SPeter Maydell sysclk = clock_new(OBJECT(machine), "SYSCLK");
4466e6a438SPeter Maydell clock_set_hz(sysclk, SYSCLK_FRQ);
4566e6a438SPeter Maydell
463e80f690SMarkus Armbruster dev = qdev_new(TYPE_STM32F405_SOC);
47*f503bc4bSPhilippe Mathieu-Daudé object_property_add_child(OBJECT(machine), "soc", OBJECT(dev));
4866e6a438SPeter Maydell qdev_connect_clock_in(dev, "sysclk", sysclk);
493c6ef471SMarkus Armbruster sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
5060d6c427SAlistair Francis
5160d6c427SAlistair Francis armv7m_load_kernel(ARM_CPU(first_cpu),
5260d6c427SAlistair Francis machine->kernel_filename,
53761c532aSPeter Maydell 0, FLASH_SIZE);
5460d6c427SAlistair Francis }
5560d6c427SAlistair Francis
netduinoplus2_machine_init(MachineClass * mc)5660d6c427SAlistair Francis static void netduinoplus2_machine_init(MachineClass *mc)
5760d6c427SAlistair Francis {
58e1b72c55SPhilippe Mathieu-Daudé static const char * const valid_cpu_types[] = {
59e1b72c55SPhilippe Mathieu-Daudé ARM_CPU_TYPE_NAME("cortex-m4"),
60e1b72c55SPhilippe Mathieu-Daudé NULL
61e1b72c55SPhilippe Mathieu-Daudé };
62e1b72c55SPhilippe Mathieu-Daudé
63fd8f71b9SPhilippe Mathieu-Daudé mc->desc = "Netduino Plus 2 Machine (Cortex-M4)";
6460d6c427SAlistair Francis mc->init = netduinoplus2_init;
65e1b72c55SPhilippe Mathieu-Daudé mc->valid_cpu_types = valid_cpu_types;
6660d6c427SAlistair Francis }
6760d6c427SAlistair Francis
6860d6c427SAlistair Francis DEFINE_MACHINE("netduinoplus2", netduinoplus2_machine_init)
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