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" 2960d6c427SAlistair Francis #include "qemu/error-report.h" 3060d6c427SAlistair Francis #include "hw/arm/stm32f405_soc.h" 3160d6c427SAlistair Francis #include "hw/arm/boot.h" 3260d6c427SAlistair Francis 33e7e5a959SPeter Maydell /* Main SYSCLK frequency in Hz (168MHz) */ 34e7e5a959SPeter Maydell #define SYSCLK_FRQ 168000000ULL 35e7e5a959SPeter Maydell 3660d6c427SAlistair Francis static void netduinoplus2_init(MachineState *machine) 3760d6c427SAlistair Francis { 3860d6c427SAlistair Francis DeviceState *dev; 3960d6c427SAlistair Francis 40e7e5a959SPeter Maydell /* 41e7e5a959SPeter Maydell * TODO: ideally we would model the SoC RCC and let it handle 42e7e5a959SPeter Maydell * system_clock_scale, including its ability to define different 43e7e5a959SPeter Maydell * possible SYSCLK sources. 44e7e5a959SPeter Maydell */ 45e7e5a959SPeter Maydell system_clock_scale = NANOSECONDS_PER_SECOND / SYSCLK_FRQ; 46e7e5a959SPeter Maydell 473e80f690SMarkus Armbruster dev = qdev_new(TYPE_STM32F405_SOC); 4860d6c427SAlistair Francis qdev_prop_set_string(dev, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m4")); 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, 5360d6c427SAlistair Francis FLASH_SIZE); 5460d6c427SAlistair Francis } 5560d6c427SAlistair Francis 5660d6c427SAlistair Francis static void netduinoplus2_machine_init(MachineClass *mc) 5760d6c427SAlistair Francis { 58*fd8f71b9SPhilippe Mathieu-Daudé mc->desc = "Netduino Plus 2 Machine (Cortex-M4)"; 5960d6c427SAlistair Francis mc->init = netduinoplus2_init; 6060d6c427SAlistair Francis } 6160d6c427SAlistair Francis 6260d6c427SAlistair Francis DEFINE_MACHINE("netduinoplus2", netduinoplus2_machine_init) 63