1db635521SAlistair Francis /* 2db635521SAlistair Francis * STM32F205 SoC 3db635521SAlistair Francis * 4db635521SAlistair Francis * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> 5db635521SAlistair Francis * 6db635521SAlistair Francis * Permission is hereby granted, free of charge, to any person obtaining a copy 7db635521SAlistair Francis * of this software and associated documentation files (the "Software"), to deal 8db635521SAlistair Francis * in the Software without restriction, including without limitation the rights 9db635521SAlistair Francis * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10db635521SAlistair Francis * copies of the Software, and to permit persons to whom the Software is 11db635521SAlistair Francis * furnished to do so, subject to the following conditions: 12db635521SAlistair Francis * 13db635521SAlistair Francis * The above copyright notice and this permission notice shall be included in 14db635521SAlistair Francis * all copies or substantial portions of the Software. 15db635521SAlistair Francis * 16db635521SAlistair Francis * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17db635521SAlistair Francis * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18db635521SAlistair Francis * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19db635521SAlistair Francis * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20db635521SAlistair Francis * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21db635521SAlistair Francis * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22db635521SAlistair Francis * THE SOFTWARE. 23db635521SAlistair Francis */ 24db635521SAlistair Francis 2512b16722SPeter Maydell #include "qemu/osdep.h" 26*da34e65cSMarkus Armbruster #include "qapi/error.h" 27db635521SAlistair Francis #include "hw/arm/arm.h" 28db635521SAlistair Francis #include "exec/address-spaces.h" 29db635521SAlistair Francis #include "hw/arm/stm32f205_soc.h" 30db635521SAlistair Francis 31db635521SAlistair Francis /* At the moment only Timer 2 to 5 are modelled */ 32db635521SAlistair Francis static const uint32_t timer_addr[STM_NUM_TIMERS] = { 0x40000000, 0x40000400, 33db635521SAlistair Francis 0x40000800, 0x40000C00 }; 34db635521SAlistair Francis static const uint32_t usart_addr[STM_NUM_USARTS] = { 0x40011000, 0x40004400, 35db635521SAlistair Francis 0x40004800, 0x40004C00, 0x40005000, 0x40011400 }; 36db635521SAlistair Francis 37db635521SAlistair Francis static const int timer_irq[STM_NUM_TIMERS] = {28, 29, 30, 50}; 38db635521SAlistair Francis static const int usart_irq[STM_NUM_USARTS] = {37, 38, 39, 52, 53, 71}; 39db635521SAlistair Francis 40db635521SAlistair Francis static void stm32f205_soc_initfn(Object *obj) 41db635521SAlistair Francis { 42db635521SAlistair Francis STM32F205State *s = STM32F205_SOC(obj); 43db635521SAlistair Francis int i; 44db635521SAlistair Francis 45db635521SAlistair Francis object_initialize(&s->syscfg, sizeof(s->syscfg), TYPE_STM32F2XX_SYSCFG); 46db635521SAlistair Francis qdev_set_parent_bus(DEVICE(&s->syscfg), sysbus_get_default()); 47db635521SAlistair Francis 48db635521SAlistair Francis for (i = 0; i < STM_NUM_USARTS; i++) { 49db635521SAlistair Francis object_initialize(&s->usart[i], sizeof(s->usart[i]), 50db635521SAlistair Francis TYPE_STM32F2XX_USART); 51db635521SAlistair Francis qdev_set_parent_bus(DEVICE(&s->usart[i]), sysbus_get_default()); 52db635521SAlistair Francis } 53db635521SAlistair Francis 54db635521SAlistair Francis for (i = 0; i < STM_NUM_TIMERS; i++) { 55db635521SAlistair Francis object_initialize(&s->timer[i], sizeof(s->timer[i]), 56db635521SAlistair Francis TYPE_STM32F2XX_TIMER); 57db635521SAlistair Francis qdev_set_parent_bus(DEVICE(&s->timer[i]), sysbus_get_default()); 58db635521SAlistair Francis } 59db635521SAlistair Francis } 60db635521SAlistair Francis 61db635521SAlistair Francis static void stm32f205_soc_realize(DeviceState *dev_soc, Error **errp) 62db635521SAlistair Francis { 63db635521SAlistair Francis STM32F205State *s = STM32F205_SOC(dev_soc); 6420c59c38SMichael Davidsaver DeviceState *syscfgdev, *usartdev, *timerdev, *nvic; 65db635521SAlistair Francis SysBusDevice *syscfgbusdev, *usartbusdev, *timerbusdev; 66db635521SAlistair Francis Error *err = NULL; 67db635521SAlistair Francis int i; 68db635521SAlistair Francis 69db635521SAlistair Francis MemoryRegion *system_memory = get_system_memory(); 70db635521SAlistair Francis MemoryRegion *sram = g_new(MemoryRegion, 1); 71db635521SAlistair Francis MemoryRegion *flash = g_new(MemoryRegion, 1); 72db635521SAlistair Francis MemoryRegion *flash_alias = g_new(MemoryRegion, 1); 73db635521SAlistair Francis 74db635521SAlistair Francis memory_region_init_ram(flash, NULL, "STM32F205.flash", FLASH_SIZE, 75f8ed85acSMarkus Armbruster &error_fatal); 76db635521SAlistair Francis memory_region_init_alias(flash_alias, NULL, "STM32F205.flash.alias", 77db635521SAlistair Francis flash, 0, FLASH_SIZE); 78db635521SAlistair Francis 79db635521SAlistair Francis vmstate_register_ram_global(flash); 80db635521SAlistair Francis 81db635521SAlistair Francis memory_region_set_readonly(flash, true); 82db635521SAlistair Francis memory_region_set_readonly(flash_alias, true); 83db635521SAlistair Francis 84db635521SAlistair Francis memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, flash); 85db635521SAlistair Francis memory_region_add_subregion(system_memory, 0, flash_alias); 86db635521SAlistair Francis 87db635521SAlistair Francis memory_region_init_ram(sram, NULL, "STM32F205.sram", SRAM_SIZE, 88f8ed85acSMarkus Armbruster &error_fatal); 89db635521SAlistair Francis vmstate_register_ram_global(sram); 90db635521SAlistair Francis memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, sram); 91db635521SAlistair Francis 9220c59c38SMichael Davidsaver nvic = armv7m_init(get_system_memory(), FLASH_SIZE, 96, 93db635521SAlistair Francis s->kernel_filename, s->cpu_model); 94db635521SAlistair Francis 95db635521SAlistair Francis /* System configuration controller */ 96db635521SAlistair Francis syscfgdev = DEVICE(&s->syscfg); 97db635521SAlistair Francis object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err); 98db635521SAlistair Francis if (err != NULL) { 99db635521SAlistair Francis error_propagate(errp, err); 100db635521SAlistair Francis return; 101db635521SAlistair Francis } 102db635521SAlistair Francis syscfgbusdev = SYS_BUS_DEVICE(syscfgdev); 103db635521SAlistair Francis sysbus_mmio_map(syscfgbusdev, 0, 0x40013800); 10420c59c38SMichael Davidsaver sysbus_connect_irq(syscfgbusdev, 0, qdev_get_gpio_in(nvic, 71)); 105db635521SAlistair Francis 106db635521SAlistair Francis /* Attach UART (uses USART registers) and USART controllers */ 107db635521SAlistair Francis for (i = 0; i < STM_NUM_USARTS; i++) { 108db635521SAlistair Francis usartdev = DEVICE(&(s->usart[i])); 109db635521SAlistair Francis object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", &err); 110db635521SAlistair Francis if (err != NULL) { 111db635521SAlistair Francis error_propagate(errp, err); 112db635521SAlistair Francis return; 113db635521SAlistair Francis } 114db635521SAlistair Francis usartbusdev = SYS_BUS_DEVICE(usartdev); 115db635521SAlistair Francis sysbus_mmio_map(usartbusdev, 0, usart_addr[i]); 11620c59c38SMichael Davidsaver sysbus_connect_irq(usartbusdev, 0, 11720c59c38SMichael Davidsaver qdev_get_gpio_in(nvic, usart_irq[i])); 118db635521SAlistair Francis } 119db635521SAlistair Francis 120db635521SAlistair Francis /* Timer 2 to 5 */ 121db635521SAlistair Francis for (i = 0; i < STM_NUM_TIMERS; i++) { 122db635521SAlistair Francis timerdev = DEVICE(&(s->timer[i])); 123db635521SAlistair Francis qdev_prop_set_uint64(timerdev, "clock-frequency", 1000000000); 124db635521SAlistair Francis object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", &err); 125db635521SAlistair Francis if (err != NULL) { 126db635521SAlistair Francis error_propagate(errp, err); 127db635521SAlistair Francis return; 128db635521SAlistair Francis } 129db635521SAlistair Francis timerbusdev = SYS_BUS_DEVICE(timerdev); 130db635521SAlistair Francis sysbus_mmio_map(timerbusdev, 0, timer_addr[i]); 13120c59c38SMichael Davidsaver sysbus_connect_irq(timerbusdev, 0, 13220c59c38SMichael Davidsaver qdev_get_gpio_in(nvic, timer_irq[i])); 133db635521SAlistair Francis } 134db635521SAlistair Francis } 135db635521SAlistair Francis 136db635521SAlistair Francis static Property stm32f205_soc_properties[] = { 137db635521SAlistair Francis DEFINE_PROP_STRING("kernel-filename", STM32F205State, kernel_filename), 138db635521SAlistair Francis DEFINE_PROP_STRING("cpu-model", STM32F205State, cpu_model), 139db635521SAlistair Francis DEFINE_PROP_END_OF_LIST(), 140db635521SAlistair Francis }; 141db635521SAlistair Francis 142db635521SAlistair Francis static void stm32f205_soc_class_init(ObjectClass *klass, void *data) 143db635521SAlistair Francis { 144db635521SAlistair Francis DeviceClass *dc = DEVICE_CLASS(klass); 145db635521SAlistair Francis 146db635521SAlistair Francis dc->realize = stm32f205_soc_realize; 147db635521SAlistair Francis dc->props = stm32f205_soc_properties; 148db635521SAlistair Francis } 149db635521SAlistair Francis 150db635521SAlistair Francis static const TypeInfo stm32f205_soc_info = { 151db635521SAlistair Francis .name = TYPE_STM32F205_SOC, 152db635521SAlistair Francis .parent = TYPE_SYS_BUS_DEVICE, 153db635521SAlistair Francis .instance_size = sizeof(STM32F205State), 154db635521SAlistair Francis .instance_init = stm32f205_soc_initfn, 155db635521SAlistair Francis .class_init = stm32f205_soc_class_init, 156db635521SAlistair Francis }; 157db635521SAlistair Francis 158db635521SAlistair Francis static void stm32f205_soc_types(void) 159db635521SAlistair Francis { 160db635521SAlistair Francis type_register_static(&stm32f205_soc_info); 161db635521SAlistair Francis } 162db635521SAlistair Francis 163db635521SAlistair Francis type_init(stm32f205_soc_types) 164