On Sat, Dec 31, 2022 at 1:01 AM Felipe Balbi <ba...@kernel.org> wrote: > > 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 <ba...@kernel.org>
Reviewed-by: Alistair Francis <alistair.fran...@wdc.com> Alistair > --- > > Changes since v1: > - Add a note in stm32.rst > - Initialize default_cpu_type to cortex-m4 > - 0-initialize default_ram_size > > MAINTAINERS | 6 +++ > configs/devices/arm-softmmu/default.mak | 1 + > docs/system/arm/stm32.rst | 1 + > hw/arm/Kconfig | 4 ++ > hw/arm/meson.build | 1 + > hw/arm/olimex-stm32-h405.c | 69 +++++++++++++++++++++++++ > 6 files changed, 82 insertions(+) > create mode 100644 hw/arm/olimex-stm32-h405.c > > diff --git a/MAINTAINERS b/MAINTAINERS > index 3bd433b65a55..e37846df0071 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -1026,6 +1026,12 @@ L: qemu-...@nongnu.org > S: Maintained > F: hw/arm/netduinoplus2.c > > +Olimex STM32 H405 > +M: Felipe Balbi <ba...@kernel.org> > +L: qemu-...@nongnu.org > +S: Maintained > +F: hw/arm/olimex-stm32-h405.c > + > SmartFusion2 > M: Subbaraya Sundeep <sundeep.l...@gmail.com> > M: Peter Maydell <peter.mayd...@linaro.org> > diff --git a/configs/devices/arm-softmmu/default.mak > b/configs/devices/arm-softmmu/default.mak > index 6985a25377a0..1b49a7830c7e 100644 > --- a/configs/devices/arm-softmmu/default.mak > +++ b/configs/devices/arm-softmmu/default.mak > @@ -30,6 +30,7 @@ CONFIG_COLLIE=y > CONFIG_ASPEED_SOC=y > CONFIG_NETDUINO2=y > CONFIG_NETDUINOPLUS2=y > +CONFIG_OLIMEX_STM32_H405=y > CONFIG_MPS2=y > CONFIG_RASPI=y > CONFIG_DIGIC=y > diff --git a/docs/system/arm/stm32.rst b/docs/system/arm/stm32.rst > index 508b92cf862b..d7265b763d47 100644 > --- a/docs/system/arm/stm32.rst > +++ b/docs/system/arm/stm32.rst > @@ -20,6 +20,7 @@ The STM32F4 series is based on ARM Cortex-M4F core. This > series is pin-to-pin > compatible with STM32F2 series. The following machines are based on this > chip : > > - ``netduinoplus2`` Netduino Plus 2 board with STM32F405RGT6 > microcontroller > +- ``olimex-stm32-h405`` Olimex STM32 H405 board with STM32F405RGT6 > microcontroller > > There are many other STM32 series that are currently not supported by QEMU. > > diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig > index 17fcde8e1ccc..9143533ef792 100644 > --- a/hw/arm/Kconfig > +++ b/hw/arm/Kconfig > @@ -119,6 +119,10 @@ config NETDUINOPLUS2 > bool > select STM32F405_SOC > > +config OLIMEX_STM32_H405 > + bool > + select STM32F405_SOC > + > config NSERIES > bool > select OMAP > diff --git a/hw/arm/meson.build b/hw/arm/meson.build > index 92f9f6e000ea..76d4d650e42e 100644 > --- a/hw/arm/meson.build > +++ b/hw/arm/meson.build > @@ -12,6 +12,7 @@ arm_ss.add(when: 'CONFIG_MICROBIT', if_true: > files('microbit.c')) > arm_ss.add(when: 'CONFIG_MUSICPAL', if_true: files('musicpal.c')) > arm_ss.add(when: 'CONFIG_NETDUINO2', if_true: files('netduino2.c')) > arm_ss.add(when: 'CONFIG_NETDUINOPLUS2', if_true: files('netduinoplus2.c')) > +arm_ss.add(when: 'CONFIG_OLIMEX_STM32_H405', if_true: > files('olimex-stm32-h405.c')) > arm_ss.add(when: 'CONFIG_NPCM7XX', if_true: files('npcm7xx.c', > 'npcm7xx_boards.c')) > arm_ss.add(when: 'CONFIG_NSERIES', if_true: files('nseries.c')) > arm_ss.add(when: 'CONFIG_SX1', if_true: files('omap_sx1.c')) > diff --git a/hw/arm/olimex-stm32-h405.c b/hw/arm/olimex-stm32-h405.c > new file mode 100644 > index 000000000000..3aa61c91b759 > --- /dev/null > +++ b/hw/arm/olimex-stm32-h405.c > @@ -0,0 +1,69 @@ > +/* > + * ST STM32VLDISCOVERY machine > + * Olimex STM32-H405 machine > + * > + * Copyright (c) 2022 Felipe Balbi <ba...@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) > -- > 2.39.0 > >