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Mon, 21 Jul 2025 16:18:58 -0400 Received: from DESKTOP-FHFCVTH.localdomain (unknown [IPV6:240e:360:9379:c800:30:bacc:21c0:5559]) by smtp.qiye.163.com (Hmail) with ESMTP id 1cc453b67; Tue, 22 Jul 2025 04:11:38 +0800 (GMT+08:00) From: fanyihao@rt-thread.org To: qemu-devel@nongnu.org Cc: Peter Maydell , Yihao Fan Subject: [PATCH v2 2/3] Add the STM32F4spark Machine Date: Tue, 22 Jul 2025 04:11:33 +0800 Message-ID: <20250721201134.13270-3-fanyihao@rt-thread.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250721201134.13270-1-fanyihao@rt-thread.org> References: <20250721201134.13270-1-fanyihao@rt-thread.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVkZH0oYVk5JTRofQx0ZTElCHlYVFAkWGhdVEwETFh oSFyQUDg9ZV1kYEgtZQVlJT0seQUhNS0FCSExCQRhDS0tBSEtBGRoYGEFJShhLQU5OTkJZV1kWGg 8SFR0UWUFZT0tIVUpLSUJDQ0lVSktLVUtZBg++ X-HM-Tid: 0a982e9d038203a4kunm518c726929260df X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6NC46Gjo5CjEiTToWCQhOFTcj DAkwCjpVSlVKTE5ISklDTUJCT09MVTMWGhIXVR0aFQISExoUOwkPVg8TCR4aH1UUCRxFWVdZEgtZ QVlJT0seQUhNS0FCSExCQRhDS0tBSEtBGRoYGEFJShhLQU5OTkJZV1kIAVlBT0lJSjcG DKIM-Signature: a=rsa-sha256; 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charset="utf-8" From: Yihao Fan Add the STM32F4spark machine model using the STM32F407 SoC. Signed-off-by: Yihao Fan --- MAINTAINERS | 7 +++++++ hw/arm/Kconfig | 6 ++++++ hw/arm/meson.build | 1 + hw/arm/stm32f4spark.c | 48 +++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 62 insertions(+) create mode 100644 hw/arm/stm32f4spark.c diff --git a/MAINTAINERS b/MAINTAINERS index 2744639a8b..0dc7c7bf60 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1030,6 +1030,13 @@ S: Maintained F: hw/arm/stm32vldiscovery.c F: docs/system/arm/stm32.rst =20 +STM32F4SPARK +M: yanl1229 +M: Yihao Fan +L: qemu-arm@nongnu.org +S: Maintained +F: hw/arm/stm32f4spark.c + Versatile Express M: Peter Maydell L: qemu-arm@nongnu.org diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig index 4b2f71e6e1..3706a65286 100644 --- a/hw/arm/Kconfig +++ b/hw/arm/Kconfig @@ -234,6 +234,12 @@ config STM32VLDISCOVERY depends on TCG && ARM select STM32F100_SOC =20 +config STM32F4SPARK + bool + default y + depends on TCG && ARM + select STM32F407_SOC + config STRONGARM bool select PXA2XX_TIMER diff --git a/hw/arm/meson.build b/hw/arm/meson.build index 31621060ba..ec63ed7373 100644 --- a/hw/arm/meson.build +++ b/hw/arm/meson.build @@ -17,6 +17,7 @@ arm_common_ss.add(when: 'CONFIG_REALVIEW', if_true: files= ('realview.c')) arm_ss.add(when: 'CONFIG_SBSA_REF', if_true: files('sbsa-ref.c')) arm_common_ss.add(when: 'CONFIG_STELLARIS', if_true: files('stellaris.c')) arm_common_ss.add(when: 'CONFIG_STM32VLDISCOVERY', if_true: files('stm32vl= discovery.c')) +arm_common_ss.add(when: 'CONFIG_STM32F4SPARK', if_true: files('stm32f4spar= k.c')) arm_common_ss.add(when: 'CONFIG_ZYNQ', if_true: files('xilinx_zynq.c')) arm_common_ss.add(when: 'CONFIG_SABRELITE', if_true: files('sabrelite.c')) =20 diff --git a/hw/arm/stm32f4spark.c b/hw/arm/stm32f4spark.c new file mode 100644 index 0000000000..e1d656a3f9 --- /dev/null +++ b/hw/arm/stm32f4spark.c @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#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/stm32f407_soc.h" +#include "hw/arm/boot.h" + +/* stm32f4spark implementation is derived from netduinoplus2 */ + +/* Main SYSCLK frequency in Hz (72MHz) */ +#define SYSCLK_FRQ 72000000ULL + + +static void stm32f4spark_init(MachineState *machine) +{ + DeviceState *dev; + Clock *sysclk; + + /* This clock doesn't need migration because it is fixed-frequency */ + sysclk =3D clock_new(OBJECT(machine), "SYSCLK"); + clock_set_hz(sysclk, SYSCLK_FRQ); + + dev =3D qdev_new(TYPE_STM32F407_SOC); + object_property_add_child(OBJECT(machine), "soc", OBJECT(dev)); + 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 stm32f4spark_machine_init(MachineClass *mc) +{ + static const char * const valid_cpu_types[] =3D { + ARM_CPU_TYPE_NAME("cortex-m4"), + NULL + }; + + mc->desc =3D "ST RT-spark (Cortex-M4)"; + mc->init =3D stm32f4spark_init; + mc->valid_cpu_types =3D valid_cpu_types; +} + +DEFINE_MACHINE("rt-spark", stm32f4spark_machine_init) --=20 2.43.0