683754c7b6
All the devices that used to use system_clock_scale have now been converted to use Clock inputs instead, so the global is no longer needed; remove it and all the code that sets it. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 20210812093356.1946-26-peter.maydell@linaro.org
66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*
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* ST STM32VLDISCOVERY machine
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*
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* Copyright (c) 2021 Alexandre Iooss <erdnaxe@crans.org>
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* Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "hw/boards.h"
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#include "hw/qdev-properties.h"
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#include "hw/qdev-clock.h"
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#include "qemu/error-report.h"
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#include "hw/arm/stm32f100_soc.h"
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#include "hw/arm/boot.h"
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/* stm32vldiscovery implementation is derived from netduinoplus2 */
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/* Main SYSCLK frequency in Hz (24MHz) */
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#define SYSCLK_FRQ 24000000ULL
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static void stm32vldiscovery_init(MachineState *machine)
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{
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DeviceState *dev;
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Clock *sysclk;
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/* This clock doesn't need migration because it is fixed-frequency */
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sysclk = clock_new(OBJECT(machine), "SYSCLK");
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clock_set_hz(sysclk, SYSCLK_FRQ);
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dev = qdev_new(TYPE_STM32F100_SOC);
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qdev_prop_set_string(dev, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m3"));
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qdev_connect_clock_in(dev, "sysclk", sysclk);
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sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
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armv7m_load_kernel(ARM_CPU(first_cpu),
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machine->kernel_filename,
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FLASH_SIZE);
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}
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static void stm32vldiscovery_machine_init(MachineClass *mc)
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{
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mc->desc = "ST STM32VLDISCOVERY (Cortex-M3)";
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mc->init = stm32vldiscovery_init;
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}
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DEFINE_MACHINE("stm32vldiscovery", stm32vldiscovery_machine_init)
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