This patch adds the stm32f205 SoC. This will be used by the Netduino 2 to create a machine
Signed-off-by: Alistair Francis <alistai...@gmail.com> --- hw/arm/Makefile.objs | 2 +- hw/arm/stm32f205_soc.c | 140 +++++++++++++++++++++++++++++++++++++++++ include/hw/arm/stm32f205_soc.h | 61 ++++++++++++++++++ 3 files changed, 202 insertions(+), 1 deletion(-) create mode 100644 hw/arm/stm32f205_soc.c create mode 100644 include/hw/arm/stm32f205_soc.h diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs index 6088e53..673feef 100644 --- a/hw/arm/Makefile.objs +++ b/hw/arm/Makefile.objs @@ -2,7 +2,7 @@ obj-y += boot.o collie.o exynos4_boards.o gumstix.o highbank.o obj-$(CONFIG_DIGIC) += digic_boards.o obj-y += integratorcp.o kzm.o mainstone.o musicpal.o nseries.o obj-y += omap_sx1.o palm.o realview.o spitz.o stellaris.o -obj-y += tosa.o versatilepb.o vexpress.o virt.o xilinx_zynq.o z2.o +obj-y += tosa.o versatilepb.o vexpress.o virt.o xilinx_zynq.o z2.o stm32f205_soc.o obj-y += armv7m.o exynos4210.o pxa2xx.o pxa2xx_gpio.o pxa2xx_pic.o obj-$(CONFIG_DIGIC) += digic.o diff --git a/hw/arm/stm32f205_soc.c b/hw/arm/stm32f205_soc.c new file mode 100644 index 0000000..da36f61 --- /dev/null +++ b/hw/arm/stm32f205_soc.c @@ -0,0 +1,140 @@ +/* + * STM32F205xx SoC + * + * Copyright (c) 2014 Alistair Francis <alist...@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 "hw/arm/stm32f205_soc.h" + +#define FLASH_BASE_ADDRESS 0x08000000 +#define FLASH_SIZE 1024 +#define SRAM_BASE_ADDRESS 0x20000000 +#define SRAM_SIZE 192 + +static void stm32f205_soc_initfn(Object *obj) +{ + STM32F205State *s = STM32F205_SOC(obj); + int i; + + object_initialize(&s->syscfg, sizeof(s->syscfg), TYPE_STM32F205_SYSCFG); + qdev_set_parent_bus(DEVICE(&s->syscfg), sysbus_get_default()); + + for (i = 0; i < 5; i++) { + object_initialize(&s->usart[i], sizeof(s->usart[i]), + TYPE_STM32F205_USART); + qdev_set_parent_bus(DEVICE(&s->usart[i]), sysbus_get_default()); + } + + for (i = 0; i < 4; i++) { + object_initialize(&s->timer[i], sizeof(s->timer[i]), + TYPE_STM32F205_TIMER); + qdev_set_parent_bus(DEVICE(&s->timer[i]), sysbus_get_default()); + } +} + +static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp) +{ + static const uint32_t timer_addr[] = { 0x40000000, 0x40000400, + 0x40000800, 0x40000C00 }; + static const uint32_t usart_addr[] = { 0x40011000, 0x40004400, + 0x40004800, 0x40004C00, 0x40005000, 0x40011400 }; + + static const int timer_irq[] = {28, 29, 30, 50}; + static const int usart_irq[] = {37, 38, 39, 52, 53, 71, 82, 83}; + + STM32F205State *s = STM32F205_SOC(dev_soc); + DeviceState *syscfgdev, *usartdev, *timerdev; + SysBusDevice *syscfgbusdev, *usartbusdev, *timerbusdev; + qemu_irq *pic;; + Error *err = NULL; + int i; + + pic = armv7m_init(get_system_memory(), + FLASH_SIZE, FLASH_BASE_ADDRESS, SRAM_SIZE, 96, + s->kernel_filename, s->cpu_model); + + /* System configuration controller */ + syscfgdev = DEVICE(&s->syscfg); + syscfgdev->id = "stm32f205xx-syscfg"; + object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } + syscfgbusdev = SYS_BUS_DEVICE(syscfgdev); + sysbus_mmio_map(syscfgbusdev, 0, 0x40013800); + sysbus_connect_irq(syscfgbusdev, 0, pic[71]); + + /* Attach a UART (uses USART registers) and USART controllers */ + for (i = 0; i < 5; i++) { + usartdev = DEVICE(&(s->usart[i])); + object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } + usartbusdev = SYS_BUS_DEVICE(usartdev); + sysbus_mmio_map(usartbusdev, 0, usart_addr[i]); + sysbus_connect_irq(usartbusdev, 0, pic[usart_irq[i]]); + } + + /* Timer 2 to 5 */ + for (i = 0; i < 4; i++) { + timerdev = DEVICE(&(s->timer[i])); + object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", &err); + if (err != NULL) { + error_propagate(errp, err); + return; + } + timerbusdev = SYS_BUS_DEVICE(timerdev); + sysbus_mmio_map(timerbusdev, 0, timer_addr[i]); + sysbus_connect_irq(timerbusdev, 0, pic[timer_irq[i]]); + } +} + +static Property stm32f205_soc_properties[] = { + DEFINE_PROP_STRING("kernel-filename", STM32F205State, kernel_filename), + DEFINE_PROP_STRING("cpu-model", STM32F205State, cpu_model), + DEFINE_PROP_END_OF_LIST(), +}; + +static void stm32f205_soc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = stm32f205_soc_realize; + dc->props = stm32f205_soc_properties; +} + +static const TypeInfo stm32f205_soc_info = { + .name = TYPE_STM32F205_SOC, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(STM32F205State), + .instance_init = stm32f205_soc_initfn, + .class_init = stm32f205_soc_class_init, +}; + +static void stm32f205_soc_types(void) +{ + type_register_static(&stm32f205_soc_info); +} + +type_init(stm32f205_soc_types) diff --git a/include/hw/arm/stm32f205_soc.h b/include/hw/arm/stm32f205_soc.h new file mode 100644 index 0000000..d989b10 --- /dev/null +++ b/include/hw/arm/stm32f205_soc.h @@ -0,0 +1,61 @@ +/* + * STM32F205xx SoC + * + * Copyright (c) 2014 Alistair Francis <alist...@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. + */ + +#ifndef HW_ARM_STM32F205SOC_H +#define HW_ARM_STM32F205SOC_H + +#include "hw/sysbus.h" +#include "hw/arm/arm.h" +#include "hw/ssi.h" +#include "hw/devices.h" +#include "qemu/timer.h" +#include "net/net.h" +#include "elf.h" +#include "hw/loader.h" +#include "hw/boards.h" +#include "exec/address-spaces.h" +#include "qemu/error-report.h" +#include "sysemu/qtest.h" +#include "hw/misc/stm32f205_syscfg.h" +#include "hw/timer/stm32f205_timer.h" +#include "hw/char/stm32f205_usart.h" + +#define TYPE_STM32F205_SOC "stm32f205_soc" +#define STM32F205_SOC(obj) \ + OBJECT_CHECK(STM32F205State, (obj), TYPE_STM32F205_SOC) + +typedef struct STM32F205State { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + + char *kernel_filename; + char *cpu_model; + + Stm32f205SyscfgState syscfg; + Stm32f205UsartState usart[5]; + Stm32f205TimerState timer[5]; +} STM32F205State; + +#endif -- 1.9.1