LXR qemu/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 "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
  37static 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                       FLASH_SIZE);
  53}
  54
  55static 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
  62DEFINE_MACHINE("netduino2", netduino2_machine_init)
  63