hw/arm/stm32f405_soc.c - third_party/qemu - Git at Google

 /*
  * STM32F405 SoC
  *
  * Copyright (c) 2014 Alistair Francis <alistair@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 "qemu/osdep.h"
 #include "qapi/error.h"
 #include "exec/address-spaces.h"
 #include "sysemu/sysemu.h"
 #include "hw/arm/stm32f405_soc.h"
 #include "hw/qdev-clock.h"
 #include "hw/misc/unimp.h"

 #define SYSCFG_ADD                     0x40013800
 static const uint32_t usart_addr[] = { 0x40011000, 0x40004400, 0x40004800,
                                        0x40004C00, 0x40005000, 0x40011400,
                                        0x40007800, 0x40007C00 };
 /* At the moment only Timer 2 to 5 are modelled */
 static const uint32_t timer_addr[] = { 0x40000000, 0x40000400,
                                        0x40000800, 0x40000C00 };
 static const uint32_t adc_addr[] = { 0x40012000, 0x40012100, 0x40012200,
                                      0x40012300, 0x40012400, 0x40012500 };
 static const uint32_t spi_addr[] =   { 0x40013000, 0x40003800, 0x40003C00,
                                        0x40013400, 0x40015000, 0x40015400 };
 #define EXTI_ADDR                      0x40013C00

 #define SYSCFG_IRQ               71
 static const int usart_irq[] = { 37, 38, 39, 52, 53, 71, 82, 83 };
 static const int timer_irq[] = { 28, 29, 30, 50 };
 #define ADC_IRQ 18
 static const int spi_irq[] =   { 35, 36, 51, 0, 0, 0 };
 static const int exti_irq[] =  { 6, 7, 8, 9, 10, 23, 23, 23, 23, 23, 40,
                                  40, 40, 40, 40, 40} ;


 static void stm32f405_soc_initfn(Object *obj)
 {
     STM32F405State *s = STM32F405_SOC(obj);
     int i;

     object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M);

     object_initialize_child(obj, "syscfg", &s->syscfg, TYPE_STM32F4XX_SYSCFG);

     for (i = 0; i < STM_NUM_USARTS; i++) {
         object_initialize_child(obj, "usart[*]", &s->usart[i],
                                 TYPE_STM32F2XX_USART);
     }

     for (i = 0; i < STM_NUM_TIMERS; i++) {
         object_initialize_child(obj, "timer[*]", &s->timer[i],
                                 TYPE_STM32F2XX_TIMER);
     }

     for (i = 0; i < STM_NUM_ADCS; i++) {
         object_initialize_child(obj, "adc[*]", &s->adc[i], TYPE_STM32F2XX_ADC);
     }

     for (i = 0; i < STM_NUM_SPIS; i++) {
         object_initialize_child(obj, "spi[*]", &s->spi[i], TYPE_STM32F2XX_SPI);
     }

     object_initialize_child(obj, "exti", &s->exti, TYPE_STM32F4XX_EXTI);

     s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0);
     s->refclk = qdev_init_clock_in(DEVICE(s), "refclk", NULL, NULL, 0);
 }

 static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp)
 {
     STM32F405State *s = STM32F405_SOC(dev_soc);
     MemoryRegion *system_memory = get_system_memory();
     DeviceState *dev, *armv7m;
     SysBusDevice *busdev;
     Error *err = NULL;
     int i;

     /*
      * We use s->refclk internally and only define it with qdev_init_clock_in()
      * so it is correctly parented and not leaked on an init/deinit; it is not
      * intended as an externally exposed clock.
      */
     if (clock_has_source(s->refclk)) {
         error_setg(errp, "refclk clock must not be wired up by the board code");
         return;
     }

     if (!clock_has_source(s->sysclk)) {
         error_setg(errp, "sysclk clock must be wired up by the board code");
         return;
     }

     /*
      * TODO: ideally we should model the SoC RCC and its ability to
      * change the sysclk frequency and define different sysclk sources.
      */

     /* The refclk always runs at frequency HCLK / 8 */
     clock_set_mul_div(s->refclk, 8, 1);
     clock_set_source(s->refclk, s->sysclk);

     memory_region_init_rom(&s->flash, OBJECT(dev_soc), "STM32F405.flash",
                            FLASH_SIZE, &err);
     if (err != NULL) {
         error_propagate(errp, err);
         return;
     }
     memory_region_init_alias(&s->flash_alias, OBJECT(dev_soc),
                              "STM32F405.flash.alias", &s->flash, 0,
                              FLASH_SIZE);

     memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, &s->flash);
     memory_region_add_subregion(system_memory, 0, &s->flash_alias);

     memory_region_init_ram(&s->sram, NULL, "STM32F405.sram", SRAM_SIZE,
                            &err);
     if (err != NULL) {
         error_propagate(errp, err);
         return;
     }
     memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram);

     armv7m = DEVICE(&s->armv7m);
     qdev_prop_set_uint32(armv7m, "num-irq", 96);
     qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
     qdev_prop_set_bit(armv7m, "enable-bitband", true);
     qdev_connect_clock_in(armv7m, "cpuclk", s->sysclk);
     qdev_connect_clock_in(armv7m, "refclk", s->refclk);
     object_property_set_link(OBJECT(&s->armv7m), "memory",
                              OBJECT(system_memory), &error_abort);
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), errp)) {
         return;
     }

     /* System configuration controller */
     dev = DEVICE(&s->syscfg);
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->syscfg), errp)) {
         return;
     }
     busdev = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(busdev, 0, SYSCFG_ADD);
     sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, SYSCFG_IRQ));

     /* Attach UART (uses USART registers) and USART controllers */
     for (i = 0; i < STM_NUM_USARTS; i++) {
         dev = DEVICE(&(s->usart[i]));
         qdev_prop_set_chr(dev, "chardev", serial_hd(i));
         if (!sysbus_realize(SYS_BUS_DEVICE(&s->usart[i]), errp)) {
             return;
         }
         busdev = SYS_BUS_DEVICE(dev);
         sysbus_mmio_map(busdev, 0, usart_addr[i]);
         sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, usart_irq[i]));
     }

     /* Timer 2 to 5 */
     for (i = 0; i < STM_NUM_TIMERS; i++) {
         dev = DEVICE(&(s->timer[i]));
         qdev_prop_set_uint64(dev, "clock-frequency", 1000000000);
         if (!sysbus_realize(SYS_BUS_DEVICE(&s->timer[i]), errp)) {
             return;
         }
         busdev = SYS_BUS_DEVICE(dev);
         sysbus_mmio_map(busdev, 0, timer_addr[i]);
         sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, timer_irq[i]));
     }

     /* ADC device, the IRQs are ORed together */
     if (!object_initialize_child_with_props(OBJECT(s), "adc-orirq",
                                             &s->adc_irqs, sizeof(s->adc_irqs),
                                             TYPE_OR_IRQ, errp, NULL)) {
         return;
     }
     object_property_set_int(OBJECT(&s->adc_irqs), "num-lines", STM_NUM_ADCS,
                             &error_abort);
     if (!qdev_realize(DEVICE(&s->adc_irqs), NULL, errp)) {
         return;
     }
     qdev_connect_gpio_out(DEVICE(&s->adc_irqs), 0,
                           qdev_get_gpio_in(armv7m, ADC_IRQ));

     for (i = 0; i < STM_NUM_ADCS; i++) {
         dev = DEVICE(&(s->adc[i]));
         if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc[i]), errp)) {
             return;
         }
         busdev = SYS_BUS_DEVICE(dev);
         sysbus_mmio_map(busdev, 0, adc_addr[i]);
         sysbus_connect_irq(busdev, 0,
                            qdev_get_gpio_in(DEVICE(&s->adc_irqs), i));
     }

     /* SPI devices */
     for (i = 0; i < STM_NUM_SPIS; i++) {
         dev = DEVICE(&(s->spi[i]));
         if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
             return;
         }
         busdev = SYS_BUS_DEVICE(dev);
         sysbus_mmio_map(busdev, 0, spi_addr[i]);
         sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
     }

     /* EXTI device */
     dev = DEVICE(&s->exti);
     if (!sysbus_realize(SYS_BUS_DEVICE(&s->exti), errp)) {
         return;
     }
     busdev = SYS_BUS_DEVICE(dev);
     sysbus_mmio_map(busdev, 0, EXTI_ADDR);
     for (i = 0; i < 16; i++) {
         sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i]));
     }
     for (i = 0; i < 16; i++) {
         qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(dev, i));
     }

     create_unimplemented_device("timer[7]",    0x40001400, 0x400);
     create_unimplemented_device("timer[12]",   0x40001800, 0x400);
     create_unimplemented_device("timer[6]",    0x40001000, 0x400);
     create_unimplemented_device("timer[13]",   0x40001C00, 0x400);
     create_unimplemented_device("timer[14]",   0x40002000, 0x400);
     create_unimplemented_device("RTC and BKP", 0x40002800, 0x400);
     create_unimplemented_device("WWDG",        0x40002C00, 0x400);
     create_unimplemented_device("IWDG",        0x40003000, 0x400);
     create_unimplemented_device("I2S2ext",     0x40003000, 0x400);
     create_unimplemented_device("I2S3ext",     0x40004000, 0x400);
     create_unimplemented_device("I2C1",        0x40005400, 0x400);
     create_unimplemented_device("I2C2",        0x40005800, 0x400);
     create_unimplemented_device("I2C3",        0x40005C00, 0x400);
     create_unimplemented_device("CAN1",        0x40006400, 0x400);
     create_unimplemented_device("CAN2",        0x40006800, 0x400);
     create_unimplemented_device("PWR",         0x40007000, 0x400);
     create_unimplemented_device("DAC",         0x40007400, 0x400);
     create_unimplemented_device("timer[1]",    0x40010000, 0x400);
     create_unimplemented_device("timer[8]",    0x40010400, 0x400);
     create_unimplemented_device("SDIO",        0x40012C00, 0x400);
     create_unimplemented_device("timer[9]",    0x40014000, 0x400);
     create_unimplemented_device("timer[10]",   0x40014400, 0x400);
     create_unimplemented_device("timer[11]",   0x40014800, 0x400);
     create_unimplemented_device("GPIOA",       0x40020000, 0x400);
     create_unimplemented_device("GPIOB",       0x40020400, 0x400);
     create_unimplemented_device("GPIOC",       0x40020800, 0x400);
     create_unimplemented_device("GPIOD",       0x40020C00, 0x400);
     create_unimplemented_device("GPIOE",       0x40021000, 0x400);
     create_unimplemented_device("GPIOF",       0x40021400, 0x400);
     create_unimplemented_device("GPIOG",       0x40021800, 0x400);
     create_unimplemented_device("GPIOH",       0x40021C00, 0x400);
     create_unimplemented_device("GPIOI",       0x40022000, 0x400);
     create_unimplemented_device("CRC",         0x40023000, 0x400);
     create_unimplemented_device("RCC",         0x40023800, 0x400);
     create_unimplemented_device("Flash Int",   0x40023C00, 0x400);
     create_unimplemented_device("BKPSRAM",     0x40024000, 0x400);
     create_unimplemented_device("DMA1",        0x40026000, 0x400);
     create_unimplemented_device("DMA2",        0x40026400, 0x400);
     create_unimplemented_device("Ethernet",    0x40028000, 0x1400);
     create_unimplemented_device("USB OTG HS",  0x40040000, 0x30000);
     create_unimplemented_device("USB OTG FS",  0x50000000, 0x31000);
     create_unimplemented_device("DCMI",        0x50050000, 0x400);
     create_unimplemented_device("RNG",         0x50060800, 0x400);
 }

 static Property stm32f405_soc_properties[] = {
     DEFINE_PROP_STRING("cpu-type", STM32F405State, cpu_type),
     DEFINE_PROP_END_OF_LIST(),
 };

 static void stm32f405_soc_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);

     dc->realize = stm32f405_soc_realize;
     device_class_set_props(dc, stm32f405_soc_properties);
     /* No vmstate or reset required: device has no internal state */
 }

 static const TypeInfo stm32f405_soc_info = {
     .name          = TYPE_STM32F405_SOC,
     .parent        = TYPE_SYS_BUS_DEVICE,
     .instance_size = sizeof(STM32F405State),
     .instance_init = stm32f405_soc_initfn,
     .class_init    = stm32f405_soc_class_init,
 };

 static void stm32f405_soc_types(void)
 {
     type_register_static(&stm32f405_soc_info);
 }

 type_init(stm32f405_soc_types)
	/*
	* STM32F405 SoC
	*
	* Copyright (c) 2014 Alistair Francis <alistair@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 "qemu/osdep.h"
	#include "qapi/error.h"
	#include "exec/address-spaces.h"
	#include "sysemu/sysemu.h"
	#include "hw/arm/stm32f405_soc.h"
	#include "hw/qdev-clock.h"
	#include "hw/misc/unimp.h"

	#define SYSCFG_ADD 0x40013800
	static const uint32_t usart_addr[] = { 0x40011000, 0x40004400, 0x40004800,
	0x40004C00, 0x40005000, 0x40011400,
	0x40007800, 0x40007C00 };
	/* At the moment only Timer 2 to 5 are modelled */
	static const uint32_t timer_addr[] = { 0x40000000, 0x40000400,
	0x40000800, 0x40000C00 };
	static const uint32_t adc_addr[] = { 0x40012000, 0x40012100, 0x40012200,
	0x40012300, 0x40012400, 0x40012500 };
	static const uint32_t spi_addr[] = { 0x40013000, 0x40003800, 0x40003C00,
	0x40013400, 0x40015000, 0x40015400 };
	#define EXTI_ADDR 0x40013C00

	#define SYSCFG_IRQ 71
	static const int usart_irq[] = { 37, 38, 39, 52, 53, 71, 82, 83 };
	static const int timer_irq[] = { 28, 29, 30, 50 };
	#define ADC_IRQ 18
	static const int spi_irq[] = { 35, 36, 51, 0, 0, 0 };
	static const int exti_irq[] = { 6, 7, 8, 9, 10, 23, 23, 23, 23, 23, 40,
	40, 40, 40, 40, 40} ;


	static void stm32f405_soc_initfn(Object *obj)
	{
	STM32F405State *s = STM32F405_SOC(obj);
	int i;

	object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M);

	object_initialize_child(obj, "syscfg", &s->syscfg, TYPE_STM32F4XX_SYSCFG);

	for (i = 0; i < STM_NUM_USARTS; i++) {
	object_initialize_child(obj, "usart[*]", &s->usart[i],
	TYPE_STM32F2XX_USART);
	}

	for (i = 0; i < STM_NUM_TIMERS; i++) {
	object_initialize_child(obj, "timer[*]", &s->timer[i],
	TYPE_STM32F2XX_TIMER);
	}

	for (i = 0; i < STM_NUM_ADCS; i++) {
	object_initialize_child(obj, "adc[*]", &s->adc[i], TYPE_STM32F2XX_ADC);
	}

	for (i = 0; i < STM_NUM_SPIS; i++) {
	object_initialize_child(obj, "spi[*]", &s->spi[i], TYPE_STM32F2XX_SPI);
	}

	object_initialize_child(obj, "exti", &s->exti, TYPE_STM32F4XX_EXTI);

	s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0);
	s->refclk = qdev_init_clock_in(DEVICE(s), "refclk", NULL, NULL, 0);
	}

	static void stm32f405_soc_realize(DeviceState dev_soc, Error *errp)
	{
	STM32F405State *s = STM32F405_SOC(dev_soc);
	MemoryRegion *system_memory = get_system_memory();
	DeviceState dev, armv7m;
	SysBusDevice *busdev;
	Error *err = NULL;
	int i;

	/*
	* We use s->refclk internally and only define it with qdev_init_clock_in()
	* so it is correctly parented and not leaked on an init/deinit; it is not
	* intended as an externally exposed clock.
	*/
	if (clock_has_source(s->refclk)) {
	error_setg(errp, "refclk clock must not be wired up by the board code");
	return;
	}

	if (!clock_has_source(s->sysclk)) {
	error_setg(errp, "sysclk clock must be wired up by the board code");
	return;
	}

	/*
	* TODO: ideally we should model the SoC RCC and its ability to
	* change the sysclk frequency and define different sysclk sources.
	*/

	/* The refclk always runs at frequency HCLK / 8 */
	clock_set_mul_div(s->refclk, 8, 1);
	clock_set_source(s->refclk, s->sysclk);

	memory_region_init_rom(&s->flash, OBJECT(dev_soc), "STM32F405.flash",
	FLASH_SIZE, &err);
	if (err != NULL) {
	error_propagate(errp, err);
	return;
	}
	memory_region_init_alias(&s->flash_alias, OBJECT(dev_soc),
	"STM32F405.flash.alias", &s->flash, 0,
	FLASH_SIZE);

	memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, &s->flash);
	memory_region_add_subregion(system_memory, 0, &s->flash_alias);

	memory_region_init_ram(&s->sram, NULL, "STM32F405.sram", SRAM_SIZE,
	&err);
	if (err != NULL) {
	error_propagate(errp, err);
	return;
	}
	memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram);

	armv7m = DEVICE(&s->armv7m);
	qdev_prop_set_uint32(armv7m, "num-irq", 96);
	qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type);
	qdev_prop_set_bit(armv7m, "enable-bitband", true);
	qdev_connect_clock_in(armv7m, "cpuclk", s->sysclk);
	qdev_connect_clock_in(armv7m, "refclk", s->refclk);
	object_property_set_link(OBJECT(&s->armv7m), "memory",
	OBJECT(system_memory), &error_abort);
	if (!sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), errp)) {
	return;
	}

	/* System configuration controller */
	dev = DEVICE(&s->syscfg);
	if (!sysbus_realize(SYS_BUS_DEVICE(&s->syscfg), errp)) {
	return;
	}
	busdev = SYS_BUS_DEVICE(dev);
	sysbus_mmio_map(busdev, 0, SYSCFG_ADD);
	sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, SYSCFG_IRQ));

	/* Attach UART (uses USART registers) and USART controllers */
	for (i = 0; i < STM_NUM_USARTS; i++) {
	dev = DEVICE(&(s->usart[i]));
	qdev_prop_set_chr(dev, "chardev", serial_hd(i));
	if (!sysbus_realize(SYS_BUS_DEVICE(&s->usart[i]), errp)) {
	return;
	}
	busdev = SYS_BUS_DEVICE(dev);
	sysbus_mmio_map(busdev, 0, usart_addr[i]);
	sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, usart_irq[i]));
	}

	/* Timer 2 to 5 */
	for (i = 0; i < STM_NUM_TIMERS; i++) {
	dev = DEVICE(&(s->timer[i]));
	qdev_prop_set_uint64(dev, "clock-frequency", 1000000000);
	if (!sysbus_realize(SYS_BUS_DEVICE(&s->timer[i]), errp)) {
	return;
	}
	busdev = SYS_BUS_DEVICE(dev);
	sysbus_mmio_map(busdev, 0, timer_addr[i]);
	sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, timer_irq[i]));
	}

	/* ADC device, the IRQs are ORed together */
	if (!object_initialize_child_with_props(OBJECT(s), "adc-orirq",
	&s->adc_irqs, sizeof(s->adc_irqs),
	TYPE_OR_IRQ, errp, NULL)) {
	return;
	}
	object_property_set_int(OBJECT(&s->adc_irqs), "num-lines", STM_NUM_ADCS,
	&error_abort);
	if (!qdev_realize(DEVICE(&s->adc_irqs), NULL, errp)) {
	return;
	}
	qdev_connect_gpio_out(DEVICE(&s->adc_irqs), 0,
	qdev_get_gpio_in(armv7m, ADC_IRQ));

	for (i = 0; i < STM_NUM_ADCS; i++) {
	dev = DEVICE(&(s->adc[i]));
	if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc[i]), errp)) {
	return;
	}
	busdev = SYS_BUS_DEVICE(dev);
	sysbus_mmio_map(busdev, 0, adc_addr[i]);
	sysbus_connect_irq(busdev, 0,
	qdev_get_gpio_in(DEVICE(&s->adc_irqs), i));
	}

	/* SPI devices */
	for (i = 0; i < STM_NUM_SPIS; i++) {
	dev = DEVICE(&(s->spi[i]));
	if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
	return;
	}
	busdev = SYS_BUS_DEVICE(dev);
	sysbus_mmio_map(busdev, 0, spi_addr[i]);
	sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i]));
	}

	/* EXTI device */
	dev = DEVICE(&s->exti);
	if (!sysbus_realize(SYS_BUS_DEVICE(&s->exti), errp)) {
	return;
	}
	busdev = SYS_BUS_DEVICE(dev);
	sysbus_mmio_map(busdev, 0, EXTI_ADDR);
	for (i = 0; i < 16; i++) {
	sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i]));
	}
	for (i = 0; i < 16; i++) {
	qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(dev, i));
	}

	create_unimplemented_device("timer[7]", 0x40001400, 0x400);
	create_unimplemented_device("timer[12]", 0x40001800, 0x400);
	create_unimplemented_device("timer[6]", 0x40001000, 0x400);
	create_unimplemented_device("timer[13]", 0x40001C00, 0x400);
	create_unimplemented_device("timer[14]", 0x40002000, 0x400);
	create_unimplemented_device("RTC and BKP", 0x40002800, 0x400);
	create_unimplemented_device("WWDG", 0x40002C00, 0x400);
	create_unimplemented_device("IWDG", 0x40003000, 0x400);
	create_unimplemented_device("I2S2ext", 0x40003000, 0x400);
	create_unimplemented_device("I2S3ext", 0x40004000, 0x400);
	create_unimplemented_device("I2C1", 0x40005400, 0x400);
	create_unimplemented_device("I2C2", 0x40005800, 0x400);
	create_unimplemented_device("I2C3", 0x40005C00, 0x400);
	create_unimplemented_device("CAN1", 0x40006400, 0x400);
	create_unimplemented_device("CAN2", 0x40006800, 0x400);
	create_unimplemented_device("PWR", 0x40007000, 0x400);
	create_unimplemented_device("DAC", 0x40007400, 0x400);
	create_unimplemented_device("timer[1]", 0x40010000, 0x400);
	create_unimplemented_device("timer[8]", 0x40010400, 0x400);
	create_unimplemented_device("SDIO", 0x40012C00, 0x400);
	create_unimplemented_device("timer[9]", 0x40014000, 0x400);
	create_unimplemented_device("timer[10]", 0x40014400, 0x400);
	create_unimplemented_device("timer[11]", 0x40014800, 0x400);
	create_unimplemented_device("GPIOA", 0x40020000, 0x400);
	create_unimplemented_device("GPIOB", 0x40020400, 0x400);
	create_unimplemented_device("GPIOC", 0x40020800, 0x400);
	create_unimplemented_device("GPIOD", 0x40020C00, 0x400);
	create_unimplemented_device("GPIOE", 0x40021000, 0x400);
	create_unimplemented_device("GPIOF", 0x40021400, 0x400);
	create_unimplemented_device("GPIOG", 0x40021800, 0x400);
	create_unimplemented_device("GPIOH", 0x40021C00, 0x400);
	create_unimplemented_device("GPIOI", 0x40022000, 0x400);
	create_unimplemented_device("CRC", 0x40023000, 0x400);
	create_unimplemented_device("RCC", 0x40023800, 0x400);
	create_unimplemented_device("Flash Int", 0x40023C00, 0x400);
	create_unimplemented_device("BKPSRAM", 0x40024000, 0x400);
	create_unimplemented_device("DMA1", 0x40026000, 0x400);
	create_unimplemented_device("DMA2", 0x40026400, 0x400);
	create_unimplemented_device("Ethernet", 0x40028000, 0x1400);
	create_unimplemented_device("USB OTG HS", 0x40040000, 0x30000);
	create_unimplemented_device("USB OTG FS", 0x50000000, 0x31000);
	create_unimplemented_device("DCMI", 0x50050000, 0x400);
	create_unimplemented_device("RNG", 0x50060800, 0x400);
	}

	static Property stm32f405_soc_properties[] = {
	DEFINE_PROP_STRING("cpu-type", STM32F405State, cpu_type),
	DEFINE_PROP_END_OF_LIST(),
	};

	static void stm32f405_soc_class_init(ObjectClass klass, void data)
	{
	DeviceClass *dc = DEVICE_CLASS(klass);

	dc->realize = stm32f405_soc_realize;
	device_class_set_props(dc, stm32f405_soc_properties);
	/* No vmstate or reset required: device has no internal state */
	}

	static const TypeInfo stm32f405_soc_info = {
	.name = TYPE_STM32F405_SOC,
	.parent = TYPE_SYS_BUS_DEVICE,
	.instance_size = sizeof(STM32F405State),
	.instance_init = stm32f405_soc_initfn,
	.class_init = stm32f405_soc_class_init,
	};

	static void stm32f405_soc_types(void)
	{
	type_register_static(&stm32f405_soc_info);
	}

	type_init(stm32f405_soc_types)