1 /* 2 * ASPEED Ast10x0 SoC 3 * 4 * Copyright (C) 2022 ASPEED Technology Inc. 5 * 6 * This code is licensed under the GPL version 2 or later. See 7 * the COPYING file in the top-level directory. 8 * 9 * Implementation extracted from the AST2600 and adapted for Ast10x0. 10 */ 11 12 #include "qemu/osdep.h" 13 #include "qapi/error.h" 14 #include "exec/address-spaces.h" 15 #include "sysemu/sysemu.h" 16 #include "hw/qdev-clock.h" 17 #include "hw/misc/unimp.h" 18 #include "hw/char/serial.h" 19 #include "hw/arm/aspeed_soc.h" 20 21 #define ASPEED_SOC_IOMEM_SIZE 0x00200000 22 23 static const hwaddr aspeed_soc_ast1030_memmap[] = { 24 [ASPEED_DEV_SRAM] = 0x00000000, 25 [ASPEED_DEV_SBC] = 0x79000000, 26 [ASPEED_DEV_IOMEM] = 0x7E600000, 27 [ASPEED_DEV_PWM] = 0x7E610000, 28 [ASPEED_DEV_FMC] = 0x7E620000, 29 [ASPEED_DEV_SPI1] = 0x7E630000, 30 [ASPEED_DEV_SPI2] = 0x7E640000, 31 [ASPEED_DEV_SCU] = 0x7E6E2000, 32 [ASPEED_DEV_ADC] = 0x7E6E9000, 33 [ASPEED_DEV_SBC] = 0x7E6F2000, 34 [ASPEED_DEV_GPIO] = 0x7E780000, 35 [ASPEED_DEV_TIMER1] = 0x7E782000, 36 [ASPEED_DEV_UART1] = 0x7E783000, 37 [ASPEED_DEV_UART2] = 0x7E78D000, 38 [ASPEED_DEV_UART3] = 0x7E78E000, 39 [ASPEED_DEV_UART4] = 0x7E78F000, 40 [ASPEED_DEV_UART5] = 0x7E784000, 41 [ASPEED_DEV_UART6] = 0x7E790000, 42 [ASPEED_DEV_UART7] = 0x7E790100, 43 [ASPEED_DEV_UART8] = 0x7E790200, 44 [ASPEED_DEV_UART9] = 0x7E790300, 45 [ASPEED_DEV_UART10] = 0x7E790400, 46 [ASPEED_DEV_UART11] = 0x7E790500, 47 [ASPEED_DEV_UART12] = 0x7E790600, 48 [ASPEED_DEV_UART13] = 0x7E790700, 49 [ASPEED_DEV_WDT] = 0x7E785000, 50 [ASPEED_DEV_LPC] = 0x7E789000, 51 [ASPEED_DEV_I2C] = 0x7E7B0000, 52 }; 53 54 static const int aspeed_soc_ast1030_irqmap[] = { 55 [ASPEED_DEV_UART1] = 47, 56 [ASPEED_DEV_UART2] = 48, 57 [ASPEED_DEV_UART3] = 49, 58 [ASPEED_DEV_UART4] = 50, 59 [ASPEED_DEV_UART5] = 8, 60 [ASPEED_DEV_UART6] = 57, 61 [ASPEED_DEV_UART7] = 58, 62 [ASPEED_DEV_UART8] = 59, 63 [ASPEED_DEV_UART9] = 60, 64 [ASPEED_DEV_UART10] = 61, 65 [ASPEED_DEV_UART11] = 62, 66 [ASPEED_DEV_UART12] = 63, 67 [ASPEED_DEV_UART13] = 64, 68 [ASPEED_DEV_GPIO] = 11, 69 [ASPEED_DEV_TIMER1] = 16, 70 [ASPEED_DEV_TIMER2] = 17, 71 [ASPEED_DEV_TIMER3] = 18, 72 [ASPEED_DEV_TIMER4] = 19, 73 [ASPEED_DEV_TIMER5] = 20, 74 [ASPEED_DEV_TIMER6] = 21, 75 [ASPEED_DEV_TIMER7] = 22, 76 [ASPEED_DEV_TIMER8] = 23, 77 [ASPEED_DEV_WDT] = 24, 78 [ASPEED_DEV_LPC] = 35, 79 [ASPEED_DEV_FMC] = 39, 80 [ASPEED_DEV_PWM] = 44, 81 [ASPEED_DEV_ADC] = 46, 82 [ASPEED_DEV_SPI1] = 65, 83 [ASPEED_DEV_SPI2] = 66, 84 [ASPEED_DEV_I2C] = 110, /* 110 ~ 123 */ 85 [ASPEED_DEV_KCS] = 138, /* 138 -> 142 */ 86 }; 87 88 static qemu_irq aspeed_soc_ast1030_get_irq(AspeedSoCState *s, int dev) 89 { 90 AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); 91 92 return qdev_get_gpio_in(DEVICE(&s->armv7m), sc->irqmap[dev]); 93 } 94 95 static void aspeed_soc_ast1030_init(Object *obj) 96 { 97 AspeedSoCState *s = ASPEED_SOC(obj); 98 AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); 99 char socname[8]; 100 char typename[64]; 101 int i; 102 103 if (sscanf(sc->name, "%7s", socname) != 1) { 104 g_assert_not_reached(); 105 } 106 107 object_initialize_child(obj, "armv7m", &s->armv7m, TYPE_ARMV7M); 108 109 s->sysclk = qdev_init_clock_in(DEVICE(s), "sysclk", NULL, NULL, 0); 110 111 snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname); 112 object_initialize_child(obj, "scu", &s->scu, typename); 113 qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev", sc->silicon_rev); 114 115 object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), "hw-strap1"); 116 object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), "hw-strap2"); 117 118 snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname); 119 object_initialize_child(obj, "timerctrl", &s->timerctrl, typename); 120 121 snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname); 122 object_initialize_child(obj, "adc", &s->adc, typename); 123 124 snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname); 125 object_initialize_child(obj, "fmc", &s->fmc, typename); 126 127 for (i = 0; i < sc->spis_num; i++) { 128 snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname); 129 object_initialize_child(obj, "spi[*]", &s->spi[i], typename); 130 } 131 132 object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC); 133 134 object_initialize_child(obj, "sbc", &s->sbc, TYPE_ASPEED_SBC); 135 136 for (i = 0; i < sc->wdts_num; i++) { 137 snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname); 138 object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename); 139 } 140 } 141 142 static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp) 143 { 144 AspeedSoCState *s = ASPEED_SOC(dev_soc); 145 AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s); 146 MemoryRegion *system_memory = get_system_memory(); 147 DeviceState *armv7m; 148 Error *err = NULL; 149 int i; 150 151 if (!clock_has_source(s->sysclk)) { 152 error_setg(errp, "sysclk clock must be wired up by the board code"); 153 return; 154 } 155 156 /* General I/O memory space to catch all unimplemented device */ 157 create_unimplemented_device("aspeed.sbc", 158 sc->memmap[ASPEED_DEV_SBC], 159 0x40000); 160 create_unimplemented_device("aspeed.io", 161 sc->memmap[ASPEED_DEV_IOMEM], 162 ASPEED_SOC_IOMEM_SIZE); 163 164 /* AST1030 CPU Core */ 165 armv7m = DEVICE(&s->armv7m); 166 qdev_prop_set_uint32(armv7m, "num-irq", 256); 167 qdev_prop_set_string(armv7m, "cpu-type", sc->cpu_type); 168 qdev_connect_clock_in(armv7m, "cpuclk", s->sysclk); 169 object_property_set_link(OBJECT(&s->armv7m), "memory", 170 OBJECT(system_memory), &error_abort); 171 sysbus_realize(SYS_BUS_DEVICE(&s->armv7m), &error_abort); 172 173 /* Internal SRAM */ 174 memory_region_init_ram(&s->sram, NULL, "aspeed.sram", sc->sram_size, &err); 175 if (err != NULL) { 176 error_propagate(errp, err); 177 return; 178 } 179 memory_region_add_subregion(system_memory, 180 sc->memmap[ASPEED_DEV_SRAM], 181 &s->sram); 182 183 /* SCU */ 184 if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) { 185 return; 186 } 187 sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]); 188 189 /* LPC */ 190 if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) { 191 return; 192 } 193 sysbus_mmio_map(SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]); 194 195 /* Connect the LPC IRQ to the GIC. It is otherwise unused. */ 196 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0, 197 aspeed_soc_get_irq(s, ASPEED_DEV_LPC)); 198 199 /* 200 * On the AST1030 LPC subdevice IRQs are connected straight to the GIC. 201 */ 202 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_1, 203 qdev_get_gpio_in(DEVICE(&s->armv7m), 204 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_1)); 205 206 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_2, 207 qdev_get_gpio_in(DEVICE(&s->armv7m), 208 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_2)); 209 210 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_3, 211 qdev_get_gpio_in(DEVICE(&s->armv7m), 212 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_3)); 213 214 sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_4, 215 qdev_get_gpio_in(DEVICE(&s->armv7m), 216 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_4)); 217 218 /* UART5 - attach an 8250 to the IO space as our UART */ 219 serial_mm_init(get_system_memory(), sc->memmap[ASPEED_DEV_UART5], 2, 220 aspeed_soc_get_irq(s, ASPEED_DEV_UART5), 221 38400, serial_hd(0), DEVICE_LITTLE_ENDIAN); 222 223 /* Timer */ 224 object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu), 225 &error_abort); 226 if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) { 227 return; 228 } 229 sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0, 230 sc->memmap[ASPEED_DEV_TIMER1]); 231 for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) { 232 qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i); 233 sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq); 234 } 235 236 /* ADC */ 237 if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) { 238 return; 239 } 240 sysbus_mmio_map(SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]); 241 sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0, 242 aspeed_soc_get_irq(s, ASPEED_DEV_ADC)); 243 244 /* FMC, The number of CS is set at the board level */ 245 object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(&s->sram), 246 &error_abort); 247 if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) { 248 return; 249 } 250 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]); 251 sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1, 252 ASPEED_SMC_GET_CLASS(&s->fmc)->flash_window_base); 253 sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0, 254 aspeed_soc_get_irq(s, ASPEED_DEV_FMC)); 255 256 /* SPI */ 257 for (i = 0; i < sc->spis_num; i++) { 258 object_property_set_link(OBJECT(&s->spi[i]), "dram", 259 OBJECT(&s->sram), &error_abort); 260 if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) { 261 return; 262 } 263 sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0, 264 sc->memmap[ASPEED_DEV_SPI1 + i]); 265 sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1, 266 ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base); 267 } 268 269 /* Secure Boot Controller */ 270 if (!sysbus_realize(SYS_BUS_DEVICE(&s->sbc), errp)) { 271 return; 272 } 273 sysbus_mmio_map(SYS_BUS_DEVICE(&s->sbc), 0, sc->memmap[ASPEED_DEV_SBC]); 274 275 /* Watch dog */ 276 for (i = 0; i < sc->wdts_num; i++) { 277 AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]); 278 279 object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu), 280 &error_abort); 281 if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) { 282 return; 283 } 284 sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0, 285 sc->memmap[ASPEED_DEV_WDT] + i * awc->offset); 286 } 287 } 288 289 static void aspeed_soc_ast1030_class_init(ObjectClass *klass, void *data) 290 { 291 DeviceClass *dc = DEVICE_CLASS(klass); 292 AspeedSoCClass *sc = ASPEED_SOC_CLASS(dc); 293 294 dc->realize = aspeed_soc_ast1030_realize; 295 296 sc->name = "ast1030-a1"; 297 sc->cpu_type = ARM_CPU_TYPE_NAME("cortex-m4"); 298 sc->silicon_rev = AST1030_A1_SILICON_REV; 299 sc->sram_size = 0xc0000; 300 sc->spis_num = 2; 301 sc->ehcis_num = 0; 302 sc->wdts_num = 4; 303 sc->macs_num = 1; 304 sc->irqmap = aspeed_soc_ast1030_irqmap; 305 sc->memmap = aspeed_soc_ast1030_memmap; 306 sc->num_cpus = 1; 307 sc->get_irq = aspeed_soc_ast1030_get_irq; 308 } 309 310 static const TypeInfo aspeed_soc_ast1030_type_info = { 311 .name = "ast1030-a1", 312 .parent = TYPE_ASPEED_SOC, 313 .instance_size = sizeof(AspeedSoCState), 314 .instance_init = aspeed_soc_ast1030_init, 315 .class_init = aspeed_soc_ast1030_class_init, 316 .class_size = sizeof(AspeedSoCClass), 317 }; 318 319 static void aspeed_soc_register_types(void) 320 { 321 type_register_static(&aspeed_soc_ast1030_type_info); 322 } 323 324 type_init(aspeed_soc_register_types) 325