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hw/arm: Add Olimex H405

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Olimex makes a series of low-cost STM32 boards. This commit introduces
the minimum setup to support SMT32-H405. See [1] for details

[1] https://www.olimex.com/Products/ARM/ST/STM32-H405/

Signed-off-by: Felipe Balbi <balbi@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20221230145733.200496-3-balbi@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Felipe Balbi 2022-12-30 16:57:33 +02:00 • committed by Peter Maydell
parent 829da0dbe3
commit ee5bffa9fc
6 changed files with 82 additions and 0 deletions
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69
hw/arm/olimex-stm32-h405.c Normal file
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/*
* ST STM32VLDISCOVERY machine
* Olimex STM32-H405 machine
*
* Copyright (c) 2022 Felipe Balbi <balbi@kernel.org>
*
* 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 "hw/qdev-clock.h"
#include "qemu/error-report.h"
#include "hw/arm/stm32f405_soc.h"
#include "hw/arm/boot.h"
/* olimex-stm32-h405 implementation is derived from netduinoplus2 */
/* Main SYSCLK frequency in Hz (168MHz) */
#define SYSCLK_FRQ 168000000ULL
static void olimex_stm32_h405_init(MachineState *machine)
{
DeviceState *dev;
Clock *sysclk;
/* This clock doesn't need migration because it is fixed-frequency */
sysclk = clock_new(OBJECT(machine), "SYSCLK");
clock_set_hz(sysclk, SYSCLK_FRQ);
dev = qdev_new(TYPE_STM32F405_SOC);
qdev_prop_set_string(dev, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m4"));
qdev_connect_clock_in(dev, "sysclk", sysclk);
sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
armv7m_load_kernel(ARM_CPU(first_cpu),
machine->kernel_filename,
0, FLASH_SIZE);
}
static void olimex_stm32_h405_machine_init(MachineClass *mc)
{
mc->desc = "Olimex STM32-H405 (Cortex-M4)";
mc->init = olimex_stm32_h405_init;
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m4");
/* SRAM pre-allocated as part of the SoC instantiation */
mc->default_ram_size = 0;
}
DEFINE_MACHINE("olimex-stm32-h405", olimex_stm32_h405_machine_init)