| /* |
| * 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 RCC_ADDR 0x40023800 |
| #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, "rcc", &s->rcc, TYPE_STM32_RCC); |
| |
| 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); |
| |
| memory_region_init_ram(&s->ccm, NULL, "STM32F405.ccm", CCM_SIZE, |
| &err); |
| if (err != NULL) { |
| error_propagate(errp, err); |
| return; |
| } |
| memory_region_add_subregion(system_memory, CCM_BASE_ADDRESS, &s->ccm); |
| |
| armv7m = DEVICE(&s->armv7m); |
| qdev_prop_set_uint32(armv7m, "num-irq", 96); |
| qdev_prop_set_uint8(armv7m, "num-prio-bits", 4); |
| qdev_prop_set_string(armv7m, "cpu-type", ARM_CPU_TYPE_NAME("cortex-m4")); |
| 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; |
| } |
| |
| /* Reset and clock controller */ |
| dev = DEVICE(&s->rcc); |
| if (!sysbus_realize(SYS_BUS_DEVICE(&s->rcc), errp)) { |
| return; |
| } |
| busdev = SYS_BUS_DEVICE(dev); |
| sysbus_mmio_map(busdev, 0, RCC_ADDR); |
| |
| /* 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("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 void stm32f405_soc_class_init(ObjectClass *klass, void *data) |
| { |
| DeviceClass *dc = DEVICE_CLASS(klass); |
| |
| dc->realize = stm32f405_soc_realize; |
| /* 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) |