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 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 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) 69