qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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netduino2.c (2316B)

      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 "hw/qdev-clock.h"
     30 #include "qemu/error-report.h"
     31 #include "hw/arm/stm32f205_soc.h"
     32 #include "hw/arm/boot.h"
     33 
     34 /* Main SYSCLK frequency in Hz (120MHz) */
     35 #define SYSCLK_FRQ 120000000ULL
     36 
     37 static void netduino2_init(MachineState *machine)
     38 {
     39     DeviceState *dev;
     40     Clock *sysclk;
     41 
     42     /* This clock doesn't need migration because it is fixed-frequency */
     43     sysclk = clock_new(OBJECT(machine), "SYSCLK");
     44     clock_set_hz(sysclk, SYSCLK_FRQ);
     45 
     46     dev = qdev_new(TYPE_STM32F205_SOC);
     47     qdev_prop_set_string(dev, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m3"));
     48     qdev_connect_clock_in(dev, "sysclk", sysclk);
     49     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
     50 
     51     armv7m_load_kernel(ARM_CPU(first_cpu), machine->kernel_filename,
     52                        0, FLASH_SIZE);
     53 }
     54 
     55 static void netduino2_machine_init(MachineClass *mc)
     56 {
     57     mc->desc = "Netduino 2 Machine (Cortex-M3)";
     58     mc->init = netduino2_init;
     59     mc->ignore_memory_transaction_failures = true;
     60 }
     61 
     62 DEFINE_MACHINE("netduino2", netduino2_machine_init)