qemu-e2k/hw/arm/stm32vldiscovery.c
Alexandre Iooss 2ac2410c5e stm32vldiscovery: Add the STM32VLDISCOVERY Machine
This is a Cortex-M3 based machine. Information can be found at:
https://www.st.com/en/evaluation-tools/stm32vldiscovery.html

Signed-off-by: Alexandre Iooss <erdnaxe@crans.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210617165647.2575955-3-erdnaxe@crans.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-09 16:09:12 +01:00

67 lines
2.4 KiB
C

/*
* ST STM32VLDISCOVERY machine
*
* Copyright (c) 2021 Alexandre Iooss <erdnaxe@crans.org>
* Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/boards.h"
#include "hw/qdev-properties.h"
#include "qemu/error-report.h"
#include "hw/arm/stm32f100_soc.h"
#include "hw/arm/boot.h"
/* stm32vldiscovery implementation is derived from netduinoplus2 */
/* Main SYSCLK frequency in Hz (24MHz) */
#define SYSCLK_FRQ 24000000ULL
static void stm32vldiscovery_init(MachineState *machine)
{
DeviceState *dev;
/*
* TODO: ideally we would model the SoC RCC and let it handle
* system_clock_scale, including its ability to define different
* possible SYSCLK sources.
*/
system_clock_scale = NANOSECONDS_PER_SECOND / SYSCLK_FRQ;
dev = qdev_new(TYPE_STM32F100_SOC);
qdev_prop_set_string(dev, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m3"));
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
armv7m_load_kernel(ARM_CPU(first_cpu),
machine->kernel_filename,
FLASH_SIZE);
}
static void stm32vldiscovery_machine_init(MachineClass *mc)
{
mc->desc = "ST STM32VLDISCOVERY (Cortex-M3)";
mc->init = stm32vldiscovery_init;
}
DEFINE_MACHINE("stm32vldiscovery", stm32vldiscovery_machine_init)