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1 | /* |
2 | * STM32F405 SoC | |
3 | * | |
4 | * Copyright (c) 2014 Alistair Francis <[email protected]> | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | ||
25 | #include "qemu/osdep.h" | |
26 | #include "qapi/error.h" | |
27 | #include "qemu-common.h" | |
28 | #include "exec/address-spaces.h" | |
29 | #include "sysemu/sysemu.h" | |
30 | #include "hw/arm/stm32f405_soc.h" | |
31 | #include "hw/misc/unimp.h" | |
32 | ||
33 | #define SYSCFG_ADD 0x40013800 | |
34 | static const uint32_t usart_addr[] = { 0x40011000, 0x40004400, 0x40004800, | |
35 | 0x40004C00, 0x40005000, 0x40011400, | |
36 | 0x40007800, 0x40007C00 }; | |
37 | /* At the moment only Timer 2 to 5 are modelled */ | |
38 | static const uint32_t timer_addr[] = { 0x40000000, 0x40000400, | |
39 | 0x40000800, 0x40000C00 }; | |
40 | #define ADC_ADDR 0x40012000 | |
41 | static const uint32_t spi_addr[] = { 0x40013000, 0x40003800, 0x40003C00, | |
42 | 0x40013400, 0x40015000, 0x40015400 }; | |
43 | #define EXTI_ADDR 0x40013C00 | |
44 | ||
45 | #define SYSCFG_IRQ 71 | |
46 | static const int usart_irq[] = { 37, 38, 39, 52, 53, 71, 82, 83 }; | |
47 | static const int timer_irq[] = { 28, 29, 30, 50 }; | |
48 | #define ADC_IRQ 18 | |
49 | static const int spi_irq[] = { 35, 36, 51, 0, 0, 0 }; | |
50 | static const int exti_irq[] = { 6, 7, 8, 9, 10, 23, 23, 23, 23, 23, 40, | |
51 | 40, 40, 40, 40, 40} ; | |
52 | ||
53 | ||
54 | static void stm32f405_soc_initfn(Object *obj) | |
55 | { | |
56 | STM32F405State *s = STM32F405_SOC(obj); | |
57 | int i; | |
58 | ||
59 | sysbus_init_child_obj(obj, "armv7m", &s->armv7m, sizeof(s->armv7m), | |
60 | TYPE_ARMV7M); | |
61 | ||
62 | sysbus_init_child_obj(obj, "syscfg", &s->syscfg, sizeof(s->syscfg), | |
63 | TYPE_STM32F4XX_SYSCFG); | |
64 | ||
65 | for (i = 0; i < STM_NUM_USARTS; i++) { | |
66 | sysbus_init_child_obj(obj, "usart[*]", &s->usart[i], | |
67 | sizeof(s->usart[i]), TYPE_STM32F2XX_USART); | |
68 | } | |
69 | ||
70 | for (i = 0; i < STM_NUM_TIMERS; i++) { | |
71 | sysbus_init_child_obj(obj, "timer[*]", &s->timer[i], | |
72 | sizeof(s->timer[i]), TYPE_STM32F2XX_TIMER); | |
73 | } | |
74 | ||
75 | for (i = 0; i < STM_NUM_ADCS; i++) { | |
76 | sysbus_init_child_obj(obj, "adc[*]", &s->adc[i], sizeof(s->adc[i]), | |
77 | TYPE_STM32F2XX_ADC); | |
78 | } | |
79 | ||
80 | for (i = 0; i < STM_NUM_SPIS; i++) { | |
81 | sysbus_init_child_obj(obj, "spi[*]", &s->spi[i], sizeof(s->spi[i]), | |
82 | TYPE_STM32F2XX_SPI); | |
83 | } | |
84 | ||
85 | sysbus_init_child_obj(obj, "exti", &s->exti, sizeof(s->exti), | |
86 | TYPE_STM32F4XX_EXTI); | |
87 | } | |
88 | ||
89 | static void stm32f405_soc_realize(DeviceState *dev_soc, Error **errp) | |
90 | { | |
91 | STM32F405State *s = STM32F405_SOC(dev_soc); | |
92 | MemoryRegion *system_memory = get_system_memory(); | |
93 | DeviceState *dev, *armv7m; | |
94 | SysBusDevice *busdev; | |
95 | Error *err = NULL; | |
96 | int i; | |
97 | ||
98 | memory_region_init_ram(&s->flash, NULL, "STM32F405.flash", FLASH_SIZE, | |
99 | &err); | |
100 | if (err != NULL) { | |
101 | error_propagate(errp, err); | |
102 | return; | |
103 | } | |
104 | memory_region_init_alias(&s->flash_alias, NULL, "STM32F405.flash.alias", | |
105 | &s->flash, 0, FLASH_SIZE); | |
106 | ||
107 | memory_region_set_readonly(&s->flash, true); | |
108 | memory_region_set_readonly(&s->flash_alias, true); | |
109 | ||
110 | memory_region_add_subregion(system_memory, FLASH_BASE_ADDRESS, &s->flash); | |
111 | memory_region_add_subregion(system_memory, 0, &s->flash_alias); | |
112 | ||
113 | memory_region_init_ram(&s->sram, NULL, "STM32F405.sram", SRAM_SIZE, | |
114 | &err); | |
115 | if (err != NULL) { | |
116 | error_propagate(errp, err); | |
117 | return; | |
118 | } | |
119 | memory_region_add_subregion(system_memory, SRAM_BASE_ADDRESS, &s->sram); | |
120 | ||
121 | armv7m = DEVICE(&s->armv7m); | |
122 | qdev_prop_set_uint32(armv7m, "num-irq", 96); | |
123 | qdev_prop_set_string(armv7m, "cpu-type", s->cpu_type); | |
124 | qdev_prop_set_bit(armv7m, "enable-bitband", true); | |
125 | object_property_set_link(OBJECT(&s->armv7m), OBJECT(system_memory), | |
126 | "memory", &error_abort); | |
127 | object_property_set_bool(OBJECT(&s->armv7m), true, "realized", &err); | |
128 | if (err != NULL) { | |
129 | error_propagate(errp, err); | |
130 | return; | |
131 | } | |
132 | ||
133 | /* System configuration controller */ | |
134 | dev = DEVICE(&s->syscfg); | |
135 | object_property_set_bool(OBJECT(&s->syscfg), true, "realized", &err); | |
136 | if (err != NULL) { | |
137 | error_propagate(errp, err); | |
138 | return; | |
139 | } | |
140 | busdev = SYS_BUS_DEVICE(dev); | |
141 | sysbus_mmio_map(busdev, 0, SYSCFG_ADD); | |
142 | sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, SYSCFG_IRQ)); | |
143 | ||
144 | /* Attach UART (uses USART registers) and USART controllers */ | |
145 | for (i = 0; i < STM_NUM_USARTS; i++) { | |
146 | dev = DEVICE(&(s->usart[i])); | |
147 | qdev_prop_set_chr(dev, "chardev", serial_hd(i)); | |
148 | object_property_set_bool(OBJECT(&s->usart[i]), true, "realized", &err); | |
149 | if (err != NULL) { | |
150 | error_propagate(errp, err); | |
151 | return; | |
152 | } | |
153 | busdev = SYS_BUS_DEVICE(dev); | |
154 | sysbus_mmio_map(busdev, 0, usart_addr[i]); | |
155 | sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, usart_irq[i])); | |
156 | } | |
157 | ||
158 | /* Timer 2 to 5 */ | |
159 | for (i = 0; i < STM_NUM_TIMERS; i++) { | |
160 | dev = DEVICE(&(s->timer[i])); | |
161 | qdev_prop_set_uint64(dev, "clock-frequency", 1000000000); | |
162 | object_property_set_bool(OBJECT(&s->timer[i]), true, "realized", &err); | |
163 | if (err != NULL) { | |
164 | error_propagate(errp, err); | |
165 | return; | |
166 | } | |
167 | busdev = SYS_BUS_DEVICE(dev); | |
168 | sysbus_mmio_map(busdev, 0, timer_addr[i]); | |
169 | sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, timer_irq[i])); | |
170 | } | |
171 | ||
172 | /* ADC device, the IRQs are ORed together */ | |
173 | object_initialize_child(OBJECT(s), "adc-orirq", &s->adc_irqs, | |
174 | sizeof(s->adc_irqs), TYPE_OR_IRQ, | |
175 | &err, NULL); | |
176 | if (err != NULL) { | |
177 | error_propagate(errp, err); | |
178 | return; | |
179 | } | |
180 | object_property_set_int(OBJECT(&s->adc_irqs), STM_NUM_ADCS, | |
181 | "num-lines", &err); | |
182 | object_property_set_bool(OBJECT(&s->adc_irqs), true, "realized", &err); | |
183 | if (err != NULL) { | |
184 | error_propagate(errp, err); | |
185 | return; | |
186 | } | |
187 | qdev_connect_gpio_out(DEVICE(&s->adc_irqs), 0, | |
188 | qdev_get_gpio_in(armv7m, ADC_IRQ)); | |
189 | ||
190 | dev = DEVICE(&(s->adc[i])); | |
191 | object_property_set_bool(OBJECT(&s->adc[i]), true, "realized", &err); | |
192 | if (err != NULL) { | |
193 | error_propagate(errp, err); | |
194 | return; | |
195 | } | |
196 | busdev = SYS_BUS_DEVICE(dev); | |
197 | sysbus_mmio_map(busdev, 0, ADC_ADDR); | |
198 | sysbus_connect_irq(busdev, 0, | |
199 | qdev_get_gpio_in(DEVICE(&s->adc_irqs), i)); | |
200 | ||
201 | /* SPI devices */ | |
202 | for (i = 0; i < STM_NUM_SPIS; i++) { | |
203 | dev = DEVICE(&(s->spi[i])); | |
204 | object_property_set_bool(OBJECT(&s->spi[i]), true, "realized", &err); | |
205 | if (err != NULL) { | |
206 | error_propagate(errp, err); | |
207 | return; | |
208 | } | |
209 | busdev = SYS_BUS_DEVICE(dev); | |
210 | sysbus_mmio_map(busdev, 0, spi_addr[i]); | |
211 | sysbus_connect_irq(busdev, 0, qdev_get_gpio_in(armv7m, spi_irq[i])); | |
212 | } | |
213 | ||
214 | /* EXTI device */ | |
215 | dev = DEVICE(&s->exti); | |
216 | object_property_set_bool(OBJECT(&s->exti), true, "realized", &err); | |
217 | if (err != NULL) { | |
218 | error_propagate(errp, err); | |
219 | return; | |
220 | } | |
221 | busdev = SYS_BUS_DEVICE(dev); | |
222 | sysbus_mmio_map(busdev, 0, EXTI_ADDR); | |
223 | for (i = 0; i < 16; i++) { | |
224 | sysbus_connect_irq(busdev, i, qdev_get_gpio_in(armv7m, exti_irq[i])); | |
225 | } | |
226 | for (i = 0; i < 16; i++) { | |
227 | qdev_connect_gpio_out(DEVICE(&s->syscfg), i, qdev_get_gpio_in(dev, i)); | |
228 | } | |
229 | ||
230 | create_unimplemented_device("timer[7]", 0x40001400, 0x400); | |
231 | create_unimplemented_device("timer[12]", 0x40001800, 0x400); | |
232 | create_unimplemented_device("timer[6]", 0x40001000, 0x400); | |
233 | create_unimplemented_device("timer[13]", 0x40001C00, 0x400); | |
234 | create_unimplemented_device("timer[14]", 0x40002000, 0x400); | |
235 | create_unimplemented_device("RTC and BKP", 0x40002800, 0x400); | |
236 | create_unimplemented_device("WWDG", 0x40002C00, 0x400); | |
237 | create_unimplemented_device("IWDG", 0x40003000, 0x400); | |
238 | create_unimplemented_device("I2S2ext", 0x40003000, 0x400); | |
239 | create_unimplemented_device("I2S3ext", 0x40004000, 0x400); | |
240 | create_unimplemented_device("I2C1", 0x40005400, 0x400); | |
241 | create_unimplemented_device("I2C2", 0x40005800, 0x400); | |
242 | create_unimplemented_device("I2C3", 0x40005C00, 0x400); | |
243 | create_unimplemented_device("CAN1", 0x40006400, 0x400); | |
244 | create_unimplemented_device("CAN2", 0x40006800, 0x400); | |
245 | create_unimplemented_device("PWR", 0x40007000, 0x400); | |
246 | create_unimplemented_device("DAC", 0x40007400, 0x400); | |
247 | create_unimplemented_device("timer[1]", 0x40010000, 0x400); | |
248 | create_unimplemented_device("timer[8]", 0x40010400, 0x400); | |
249 | create_unimplemented_device("SDIO", 0x40012C00, 0x400); | |
250 | create_unimplemented_device("timer[9]", 0x40014000, 0x400); | |
251 | create_unimplemented_device("timer[10]", 0x40014400, 0x400); | |
252 | create_unimplemented_device("timer[11]", 0x40014800, 0x400); | |
253 | create_unimplemented_device("GPIOA", 0x40020000, 0x400); | |
254 | create_unimplemented_device("GPIOB", 0x40020400, 0x400); | |
255 | create_unimplemented_device("GPIOC", 0x40020800, 0x400); | |
256 | create_unimplemented_device("GPIOD", 0x40020C00, 0x400); | |
257 | create_unimplemented_device("GPIOE", 0x40021000, 0x400); | |
258 | create_unimplemented_device("GPIOF", 0x40021400, 0x400); | |
259 | create_unimplemented_device("GPIOG", 0x40021800, 0x400); | |
260 | create_unimplemented_device("GPIOH", 0x40021C00, 0x400); | |
261 | create_unimplemented_device("GPIOI", 0x40022000, 0x400); | |
262 | create_unimplemented_device("CRC", 0x40023000, 0x400); | |
263 | create_unimplemented_device("RCC", 0x40023800, 0x400); | |
264 | create_unimplemented_device("Flash Int", 0x40023C00, 0x400); | |
265 | create_unimplemented_device("BKPSRAM", 0x40024000, 0x400); | |
266 | create_unimplemented_device("DMA1", 0x40026000, 0x400); | |
267 | create_unimplemented_device("DMA2", 0x40026400, 0x400); | |
268 | create_unimplemented_device("Ethernet", 0x40028000, 0x1400); | |
269 | create_unimplemented_device("USB OTG HS", 0x40040000, 0x30000); | |
270 | create_unimplemented_device("USB OTG FS", 0x50000000, 0x31000); | |
271 | create_unimplemented_device("DCMI", 0x50050000, 0x400); | |
272 | create_unimplemented_device("RNG", 0x50060800, 0x400); | |
273 | } | |
274 | ||
275 | static Property stm32f405_soc_properties[] = { | |
276 | DEFINE_PROP_STRING("cpu-type", STM32F405State, cpu_type), | |
277 | DEFINE_PROP_END_OF_LIST(), | |
278 | }; | |
279 | ||
280 | static void stm32f405_soc_class_init(ObjectClass *klass, void *data) | |
281 | { | |
282 | DeviceClass *dc = DEVICE_CLASS(klass); | |
283 | ||
284 | dc->realize = stm32f405_soc_realize; | |
4f67d30b | 285 | device_class_set_props(dc, stm32f405_soc_properties); |
529fc5fd AF |
286 | /* No vmstate or reset required: device has no internal state */ |
287 | } | |
288 | ||
289 | static const TypeInfo stm32f405_soc_info = { | |
290 | .name = TYPE_STM32F405_SOC, | |
291 | .parent = TYPE_SYS_BUS_DEVICE, | |
292 | .instance_size = sizeof(STM32F405State), | |
293 | .instance_init = stm32f405_soc_initfn, | |
294 | .class_init = stm32f405_soc_class_init, | |
295 | }; | |
296 | ||
297 | static void stm32f405_soc_types(void) | |
298 | { | |
299 | type_register_static(&stm32f405_soc_info); | |
300 | } | |
301 | ||
302 | type_init(stm32f405_soc_types) |