xref: /openbmc/qemu/hw/arm/aspeed_ast27x0.c (revision 83340193)
1 /*
2  * ASPEED SoC 27x0 family
3  *
4  * Copyright (C) 2024 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 AST27x0.
10  */
11 
12 #include "qemu/osdep.h"
13 #include "qapi/error.h"
14 #include "hw/misc/unimp.h"
15 #include "hw/arm/aspeed_soc.h"
16 #include "qemu/module.h"
17 #include "qemu/error-report.h"
18 #include "hw/i2c/aspeed_i2c.h"
19 #include "net/net.h"
20 #include "sysemu/sysemu.h"
21 #include "hw/intc/arm_gicv3.h"
22 #include "qapi/qmp/qlist.h"
23 #include "qemu/log.h"
24 
25 static const hwaddr aspeed_soc_ast2700_memmap[] = {
26     [ASPEED_DEV_SPI_BOOT]  =  0x400000000,
27     [ASPEED_DEV_SRAM]      =  0x10000000,
28     [ASPEED_DEV_SDMC]      =  0x12C00000,
29     [ASPEED_DEV_SCU]       =  0x12C02000,
30     [ASPEED_DEV_SCUIO]     =  0x14C02000,
31     [ASPEED_DEV_UART0]     =  0X14C33000,
32     [ASPEED_DEV_UART1]     =  0X14C33100,
33     [ASPEED_DEV_UART2]     =  0X14C33200,
34     [ASPEED_DEV_UART3]     =  0X14C33300,
35     [ASPEED_DEV_UART4]     =  0X12C1A000,
36     [ASPEED_DEV_UART5]     =  0X14C33400,
37     [ASPEED_DEV_UART6]     =  0X14C33500,
38     [ASPEED_DEV_UART7]     =  0X14C33600,
39     [ASPEED_DEV_UART8]     =  0X14C33700,
40     [ASPEED_DEV_UART9]     =  0X14C33800,
41     [ASPEED_DEV_UART10]    =  0X14C33900,
42     [ASPEED_DEV_UART11]    =  0X14C33A00,
43     [ASPEED_DEV_UART12]    =  0X14C33B00,
44     [ASPEED_DEV_WDT]       =  0x14C37000,
45     [ASPEED_DEV_VUART]     =  0X14C30000,
46     [ASPEED_DEV_FMC]       =  0x14000000,
47     [ASPEED_DEV_SPI0]      =  0x14010000,
48     [ASPEED_DEV_SPI1]      =  0x14020000,
49     [ASPEED_DEV_SPI2]      =  0x14030000,
50     [ASPEED_DEV_SDRAM]     =  0x400000000,
51     [ASPEED_DEV_MII1]      =  0x14040000,
52     [ASPEED_DEV_MII2]      =  0x14040008,
53     [ASPEED_DEV_MII3]      =  0x14040010,
54     [ASPEED_DEV_ETH1]      =  0x14050000,
55     [ASPEED_DEV_ETH2]      =  0x14060000,
56     [ASPEED_DEV_ETH3]      =  0x14070000,
57     [ASPEED_DEV_EMMC]      =  0x12090000,
58     [ASPEED_DEV_INTC]      =  0x12100000,
59     [ASPEED_DEV_SLI]       =  0x12C17000,
60     [ASPEED_DEV_SLIIO]     =  0x14C1E000,
61     [ASPEED_GIC_DIST]      =  0x12200000,
62     [ASPEED_GIC_REDIST]    =  0x12280000,
63     [ASPEED_DEV_ADC]       =  0x14C00000,
64 };
65 
66 #define AST2700_MAX_IRQ 288
67 
68 /* Shared Peripheral Interrupt values below are offset by -32 from datasheet */
69 static const int aspeed_soc_ast2700_irqmap[] = {
70     [ASPEED_DEV_UART0]     = 132,
71     [ASPEED_DEV_UART1]     = 132,
72     [ASPEED_DEV_UART2]     = 132,
73     [ASPEED_DEV_UART3]     = 132,
74     [ASPEED_DEV_UART4]     = 8,
75     [ASPEED_DEV_UART5]     = 132,
76     [ASPEED_DEV_UART6]     = 132,
77     [ASPEED_DEV_UART7]     = 132,
78     [ASPEED_DEV_UART8]     = 132,
79     [ASPEED_DEV_UART9]     = 132,
80     [ASPEED_DEV_UART10]    = 132,
81     [ASPEED_DEV_UART11]    = 132,
82     [ASPEED_DEV_UART12]    = 132,
83     [ASPEED_DEV_FMC]       = 131,
84     [ASPEED_DEV_SDMC]      = 0,
85     [ASPEED_DEV_SCU]       = 12,
86     [ASPEED_DEV_ADC]       = 130,
87     [ASPEED_DEV_XDMA]      = 5,
88     [ASPEED_DEV_EMMC]      = 15,
89     [ASPEED_DEV_GPIO]      = 11,
90     [ASPEED_DEV_GPIO_1_8V] = 130,
91     [ASPEED_DEV_RTC]       = 13,
92     [ASPEED_DEV_TIMER1]    = 16,
93     [ASPEED_DEV_TIMER2]    = 17,
94     [ASPEED_DEV_TIMER3]    = 18,
95     [ASPEED_DEV_TIMER4]    = 19,
96     [ASPEED_DEV_TIMER5]    = 20,
97     [ASPEED_DEV_TIMER6]    = 21,
98     [ASPEED_DEV_TIMER7]    = 22,
99     [ASPEED_DEV_TIMER8]    = 23,
100     [ASPEED_DEV_WDT]       = 131,
101     [ASPEED_DEV_PWM]       = 131,
102     [ASPEED_DEV_LPC]       = 128,
103     [ASPEED_DEV_IBT]       = 128,
104     [ASPEED_DEV_I2C]       = 130,
105     [ASPEED_DEV_PECI]      = 133,
106     [ASPEED_DEV_ETH1]      = 132,
107     [ASPEED_DEV_ETH2]      = 132,
108     [ASPEED_DEV_ETH3]      = 132,
109     [ASPEED_DEV_HACE]      = 4,
110     [ASPEED_DEV_KCS]       = 128,
111     [ASPEED_DEV_DP]        = 28,
112     [ASPEED_DEV_I3C]       = 131,
113 };
114 
115 /* GICINT 128 */
116 static const int aspeed_soc_ast2700_gic128_intcmap[] = {
117     [ASPEED_DEV_LPC]       = 0,
118     [ASPEED_DEV_IBT]       = 2,
119     [ASPEED_DEV_KCS]       = 4,
120 };
121 
122 /* GICINT 130 */
123 static const int aspeed_soc_ast2700_gic130_intcmap[] = {
124     [ASPEED_DEV_I2C]        = 0,
125     [ASPEED_DEV_ADC]        = 16,
126     [ASPEED_DEV_GPIO_1_8V]  = 18,
127 };
128 
129 /* GICINT 131 */
130 static const int aspeed_soc_ast2700_gic131_intcmap[] = {
131     [ASPEED_DEV_I3C]       = 0,
132     [ASPEED_DEV_WDT]       = 16,
133     [ASPEED_DEV_FMC]       = 25,
134     [ASPEED_DEV_PWM]       = 29,
135 };
136 
137 /* GICINT 132 */
138 static const int aspeed_soc_ast2700_gic132_intcmap[] = {
139     [ASPEED_DEV_ETH1]      = 0,
140     [ASPEED_DEV_ETH2]      = 1,
141     [ASPEED_DEV_ETH3]      = 2,
142     [ASPEED_DEV_UART0]     = 7,
143     [ASPEED_DEV_UART1]     = 8,
144     [ASPEED_DEV_UART2]     = 9,
145     [ASPEED_DEV_UART3]     = 10,
146     [ASPEED_DEV_UART5]     = 11,
147     [ASPEED_DEV_UART6]     = 12,
148     [ASPEED_DEV_UART7]     = 13,
149     [ASPEED_DEV_UART8]     = 14,
150     [ASPEED_DEV_UART9]     = 15,
151     [ASPEED_DEV_UART10]    = 16,
152     [ASPEED_DEV_UART11]    = 17,
153     [ASPEED_DEV_UART12]    = 18,
154 };
155 
156 /* GICINT 133 */
157 static const int aspeed_soc_ast2700_gic133_intcmap[] = {
158     [ASPEED_DEV_PECI]      = 4,
159 };
160 
161 /* GICINT 128 ~ 136 */
162 struct gic_intc_irq_info {
163     int irq;
164     const int *ptr;
165 };
166 
167 static const struct gic_intc_irq_info aspeed_soc_ast2700_gic_intcmap[] = {
168     {128,  aspeed_soc_ast2700_gic128_intcmap},
169     {129,  NULL},
170     {130,  aspeed_soc_ast2700_gic130_intcmap},
171     {131,  aspeed_soc_ast2700_gic131_intcmap},
172     {132,  aspeed_soc_ast2700_gic132_intcmap},
173     {133,  aspeed_soc_ast2700_gic133_intcmap},
174     {134,  NULL},
175     {135,  NULL},
176     {136,  NULL},
177 };
178 
179 static qemu_irq aspeed_soc_ast2700_get_irq(AspeedSoCState *s, int dev)
180 {
181     Aspeed27x0SoCState *a = ASPEED27X0_SOC(s);
182     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
183     int i;
184 
185     for (i = 0; i < ARRAY_SIZE(aspeed_soc_ast2700_gic_intcmap); i++) {
186         if (sc->irqmap[dev] == aspeed_soc_ast2700_gic_intcmap[i].irq) {
187             assert(aspeed_soc_ast2700_gic_intcmap[i].ptr);
188             return qdev_get_gpio_in(DEVICE(&a->intc.orgates[i]),
189                 aspeed_soc_ast2700_gic_intcmap[i].ptr[dev]);
190         }
191     }
192 
193     return qdev_get_gpio_in(DEVICE(&a->gic), sc->irqmap[dev]);
194 }
195 
196 static uint64_t aspeed_ram_capacity_read(void *opaque, hwaddr addr,
197                                                     unsigned int size)
198 {
199     qemu_log_mask(LOG_GUEST_ERROR,
200                   "%s: DRAM read out of ram size, addr:0x%" PRIx64 "\n",
201                    __func__, addr);
202     return 0;
203 }
204 
205 static void aspeed_ram_capacity_write(void *opaque, hwaddr addr, uint64_t data,
206                                                 unsigned int size)
207 {
208     AspeedSoCState *s = ASPEED_SOC(opaque);
209     ram_addr_t ram_size;
210     MemTxResult result;
211 
212     ram_size = object_property_get_uint(OBJECT(&s->sdmc), "ram-size",
213                                         &error_abort);
214 
215     assert(ram_size > 0);
216 
217     /*
218      * Emulate ddr capacity hardware behavior.
219      * If writes the data to the address which is beyond the ram size,
220      * it would write the data to the "address % ram_size".
221      */
222     result = address_space_write(&s->dram_as, addr % ram_size,
223                                  MEMTXATTRS_UNSPECIFIED, &data, 4);
224     if (result != MEMTX_OK) {
225         qemu_log_mask(LOG_GUEST_ERROR,
226                       "%s: DRAM write failed, addr:0x%" HWADDR_PRIx
227                       ", data :0x%" PRIx64  "\n",
228                       __func__, addr % ram_size, data);
229     }
230 }
231 
232 static const MemoryRegionOps aspeed_ram_capacity_ops = {
233     .read = aspeed_ram_capacity_read,
234     .write = aspeed_ram_capacity_write,
235     .endianness = DEVICE_LITTLE_ENDIAN,
236     .valid = {
237         .min_access_size = 1,
238         .max_access_size = 8,
239     },
240 };
241 
242 /*
243  * SDMC should be realized first to get correct RAM size and max size
244  * values
245  */
246 static bool aspeed_soc_ast2700_dram_init(DeviceState *dev, Error **errp)
247 {
248     ram_addr_t ram_size, max_ram_size;
249     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
250     AspeedSoCState *s = ASPEED_SOC(dev);
251     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
252 
253     ram_size = object_property_get_uint(OBJECT(&s->sdmc), "ram-size",
254                                         &error_abort);
255     max_ram_size = object_property_get_uint(OBJECT(&s->sdmc), "max-ram-size",
256                                             &error_abort);
257 
258     memory_region_init(&s->dram_container, OBJECT(s), "ram-container",
259                        ram_size);
260     memory_region_add_subregion(&s->dram_container, 0, s->dram_mr);
261     address_space_init(&s->dram_as, s->dram_mr, "dram");
262 
263     /*
264      * Add a memory region beyond the RAM region to emulate
265      * ddr capacity hardware behavior.
266      */
267     if (ram_size < max_ram_size) {
268         memory_region_init_io(&a->dram_empty, OBJECT(s),
269                               &aspeed_ram_capacity_ops, s,
270                               "ram-empty", max_ram_size - ram_size);
271 
272         memory_region_add_subregion(s->memory,
273                                     sc->memmap[ASPEED_DEV_SDRAM] + ram_size,
274                                     &a->dram_empty);
275     }
276 
277     memory_region_add_subregion(s->memory,
278                       sc->memmap[ASPEED_DEV_SDRAM], &s->dram_container);
279     return true;
280 }
281 
282 static void aspeed_soc_ast2700_init(Object *obj)
283 {
284     Aspeed27x0SoCState *a = ASPEED27X0_SOC(obj);
285     AspeedSoCState *s = ASPEED_SOC(obj);
286     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
287     int i;
288     char socname[8];
289     char typename[64];
290 
291     if (sscanf(sc->name, "%7s", socname) != 1) {
292         g_assert_not_reached();
293     }
294 
295     for (i = 0; i < sc->num_cpus; i++) {
296         object_initialize_child(obj, "cpu[*]", &a->cpu[i],
297                                 aspeed_soc_cpu_type(sc));
298     }
299 
300     object_initialize_child(obj, "gic", &a->gic, gicv3_class_name());
301 
302     object_initialize_child(obj, "scu", &s->scu, TYPE_ASPEED_2700_SCU);
303     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
304                          sc->silicon_rev);
305     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
306                               "hw-strap1");
307     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
308                               "hw-strap2");
309     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
310                               "hw-prot-key");
311 
312     object_initialize_child(obj, "scuio", &s->scuio, TYPE_ASPEED_2700_SCUIO);
313     qdev_prop_set_uint32(DEVICE(&s->scuio), "silicon-rev",
314                          sc->silicon_rev);
315 
316     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
317     object_initialize_child(obj, "fmc", &s->fmc, typename);
318 
319     for (i = 0; i < sc->spis_num; i++) {
320         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i, socname);
321         object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
322     }
323 
324     snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
325     object_initialize_child(obj, "sdmc", &s->sdmc, typename);
326     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
327                               "ram-size");
328 
329     for (i = 0; i < sc->wdts_num; i++) {
330         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
331         object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
332     }
333 
334     for (i = 0; i < sc->macs_num; i++) {
335         object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
336                                 TYPE_FTGMAC100);
337 
338         object_initialize_child(obj, "mii[*]", &s->mii[i], TYPE_ASPEED_MII);
339     }
340 
341     for (i = 0; i < sc->uarts_num; i++) {
342         object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_SERIAL_MM);
343     }
344 
345     object_initialize_child(obj, "sli", &s->sli, TYPE_ASPEED_2700_SLI);
346     object_initialize_child(obj, "sliio", &s->sliio, TYPE_ASPEED_2700_SLIIO);
347     object_initialize_child(obj, "intc", &a->intc, TYPE_ASPEED_2700_INTC);
348 
349     snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname);
350     object_initialize_child(obj, "adc", &s->adc, typename);
351 }
352 
353 /*
354  * ASPEED ast2700 has 0x0 as cluster ID
355  *
356  * https://developer.arm.com/documentation/100236/0100/register-descriptions/aarch64-system-registers/multiprocessor-affinity-register--el1
357  */
358 static uint64_t aspeed_calc_affinity(int cpu)
359 {
360     return (0x0 << ARM_AFF1_SHIFT) | cpu;
361 }
362 
363 static bool aspeed_soc_ast2700_gic_realize(DeviceState *dev, Error **errp)
364 {
365     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
366     AspeedSoCState *s = ASPEED_SOC(dev);
367     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
368     SysBusDevice *gicbusdev;
369     DeviceState *gicdev;
370     QList *redist_region_count;
371     int i;
372 
373     gicbusdev = SYS_BUS_DEVICE(&a->gic);
374     gicdev = DEVICE(&a->gic);
375     qdev_prop_set_uint32(gicdev, "revision", 3);
376     qdev_prop_set_uint32(gicdev, "num-cpu", sc->num_cpus);
377     qdev_prop_set_uint32(gicdev, "num-irq", AST2700_MAX_IRQ);
378 
379     redist_region_count = qlist_new();
380     qlist_append_int(redist_region_count, sc->num_cpus);
381     qdev_prop_set_array(gicdev, "redist-region-count", redist_region_count);
382 
383     if (!sysbus_realize(gicbusdev, errp)) {
384         return false;
385     }
386     sysbus_mmio_map(gicbusdev, 0, sc->memmap[ASPEED_GIC_DIST]);
387     sysbus_mmio_map(gicbusdev, 1, sc->memmap[ASPEED_GIC_REDIST]);
388 
389     for (i = 0; i < sc->num_cpus; i++) {
390         DeviceState *cpudev = DEVICE(&a->cpu[i]);
391         int NUM_IRQS = 256, ARCH_GIC_MAINT_IRQ = 9, VIRTUAL_PMU_IRQ = 7;
392         int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
393 
394         const int timer_irq[] = {
395             [GTIMER_PHYS] = 14,
396             [GTIMER_VIRT] = 11,
397             [GTIMER_HYP]  = 10,
398             [GTIMER_SEC]  = 13,
399         };
400         int j;
401 
402         for (j = 0; j < ARRAY_SIZE(timer_irq); j++) {
403             qdev_connect_gpio_out(cpudev, j,
404                     qdev_get_gpio_in(gicdev, ppibase + timer_irq[j]));
405         }
406 
407         qemu_irq irq = qdev_get_gpio_in(gicdev,
408                                         ppibase + ARCH_GIC_MAINT_IRQ);
409         qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
410                                     0, irq);
411         qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
412                 qdev_get_gpio_in(gicdev, ppibase + VIRTUAL_PMU_IRQ));
413 
414         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
415         sysbus_connect_irq(gicbusdev, i + sc->num_cpus,
416                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
417         sysbus_connect_irq(gicbusdev, i + 2 * sc->num_cpus,
418                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
419         sysbus_connect_irq(gicbusdev, i + 3 * sc->num_cpus,
420                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
421     }
422 
423     return true;
424 }
425 
426 static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
427 {
428     int i;
429     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
430     AspeedSoCState *s = ASPEED_SOC(dev);
431     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
432     AspeedINTCClass *ic = ASPEED_INTC_GET_CLASS(&a->intc);
433     g_autofree char *sram_name = NULL;
434 
435     /* Default boot region (SPI memory or ROMs) */
436     memory_region_init(&s->spi_boot_container, OBJECT(s),
437                        "aspeed.spi_boot_container", 0x400000000);
438     memory_region_add_subregion(s->memory, sc->memmap[ASPEED_DEV_SPI_BOOT],
439                                 &s->spi_boot_container);
440 
441     /* CPU */
442     for (i = 0; i < sc->num_cpus; i++) {
443         object_property_set_int(OBJECT(&a->cpu[i]), "mp-affinity",
444                                 aspeed_calc_affinity(i), &error_abort);
445 
446         object_property_set_int(OBJECT(&a->cpu[i]), "cntfrq", 1125000000,
447                                 &error_abort);
448         object_property_set_link(OBJECT(&a->cpu[i]), "memory",
449                                  OBJECT(s->memory), &error_abort);
450 
451         if (!qdev_realize(DEVICE(&a->cpu[i]), NULL, errp)) {
452             return;
453         }
454     }
455 
456     /* GIC */
457     if (!aspeed_soc_ast2700_gic_realize(dev, errp)) {
458         return;
459     }
460 
461     /* INTC */
462     if (!sysbus_realize(SYS_BUS_DEVICE(&a->intc), errp)) {
463         return;
464     }
465 
466     aspeed_mmio_map(s, SYS_BUS_DEVICE(&a->intc), 0,
467                     sc->memmap[ASPEED_DEV_INTC]);
468 
469     /* GICINT orgates -> INTC -> GIC */
470     for (i = 0; i < ic->num_ints; i++) {
471         qdev_connect_gpio_out(DEVICE(&a->intc.orgates[i]), 0,
472                                 qdev_get_gpio_in(DEVICE(&a->intc), i));
473         sysbus_connect_irq(SYS_BUS_DEVICE(&a->intc), i,
474                            qdev_get_gpio_in(DEVICE(&a->gic),
475                                 aspeed_soc_ast2700_gic_intcmap[i].irq));
476     }
477 
478     /* SRAM */
479     sram_name = g_strdup_printf("aspeed.sram.%d", CPU(&a->cpu[0])->cpu_index);
480     if (!memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_size,
481                                  errp)) {
482         return;
483     }
484     memory_region_add_subregion(s->memory,
485                                 sc->memmap[ASPEED_DEV_SRAM], &s->sram);
486 
487     /* SCU */
488     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
489         return;
490     }
491     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
492 
493     /* SCU1 */
494     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scuio), errp)) {
495         return;
496     }
497     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scuio), 0,
498                     sc->memmap[ASPEED_DEV_SCUIO]);
499 
500     /* UART */
501     if (!aspeed_soc_uart_realize(s, errp)) {
502         return;
503     }
504 
505     /* FMC, The number of CS is set at the board level */
506     object_property_set_int(OBJECT(&s->fmc), "dram-base",
507                             sc->memmap[ASPEED_DEV_SDRAM],
508                             &error_abort);
509     object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(s->dram_mr),
510                              &error_abort);
511     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
512         return;
513     }
514     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
515     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 1,
516                     ASPEED_SMC_GET_CLASS(&s->fmc)->flash_window_base);
517     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
518                        aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
519 
520     /* Set up an alias on the FMC CE0 region (boot default) */
521     MemoryRegion *fmc0_mmio = &s->fmc.flashes[0].mmio;
522     memory_region_init_alias(&s->spi_boot, OBJECT(s), "aspeed.spi_boot",
523                              fmc0_mmio, 0, memory_region_size(fmc0_mmio));
524     memory_region_add_subregion(&s->spi_boot_container, 0x0, &s->spi_boot);
525 
526     /* SPI */
527     for (i = 0; i < sc->spis_num; i++) {
528         object_property_set_link(OBJECT(&s->spi[i]), "dram",
529                                  OBJECT(s->dram_mr), &error_abort);
530         if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
531             return;
532         }
533         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 0,
534                         sc->memmap[ASPEED_DEV_SPI0 + i]);
535         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 1,
536                         ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
537     }
538 
539     /*
540      * SDMC - SDRAM Memory Controller
541      * The SDMC controller is unlocked at SPL stage.
542      * At present, only supports to emulate booting
543      * start from u-boot stage. Set SDMC controller
544      * unlocked by default. It is a temporarily solution.
545      */
546     object_property_set_bool(OBJECT(&s->sdmc), "unlocked", true,
547                                  &error_abort);
548     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdmc), errp)) {
549         return;
550     }
551     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sdmc), 0,
552                     sc->memmap[ASPEED_DEV_SDMC]);
553 
554     /* RAM */
555     if (!aspeed_soc_ast2700_dram_init(dev, errp)) {
556         return;
557     }
558 
559     /* Net */
560     for (i = 0; i < sc->macs_num; i++) {
561         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
562                                  &error_abort);
563         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "dma64", true,
564                                  &error_abort);
565         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
566             return;
567         }
568         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
569                         sc->memmap[ASPEED_DEV_ETH1 + i]);
570         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
571                            aspeed_soc_get_irq(s, ASPEED_DEV_ETH1 + i));
572 
573         object_property_set_link(OBJECT(&s->mii[i]), "nic",
574                                  OBJECT(&s->ftgmac100[i]), &error_abort);
575         if (!sysbus_realize(SYS_BUS_DEVICE(&s->mii[i]), errp)) {
576             return;
577         }
578 
579         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->mii[i]), 0,
580                         sc->memmap[ASPEED_DEV_MII1 + i]);
581     }
582 
583     /* Watch dog */
584     for (i = 0; i < sc->wdts_num; i++) {
585         AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
586         hwaddr wdt_offset = sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize;
587 
588         object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
589                                  &error_abort);
590         if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
591             return;
592         }
593         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, wdt_offset);
594     }
595 
596     /* SLI */
597     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sli), errp)) {
598         return;
599     }
600     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sli), 0, sc->memmap[ASPEED_DEV_SLI]);
601 
602     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sliio), errp)) {
603         return;
604     }
605     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sliio), 0,
606                     sc->memmap[ASPEED_DEV_SLIIO]);
607 
608     /* ADC */
609     if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
610         return;
611     }
612     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]);
613     sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
614                        aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
615 
616     create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000);
617     create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000);
618     create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000);
619     create_unimplemented_device("ast2700.ltpi", 0x30000000, 0x1000000);
620     create_unimplemented_device("ast2700.io", 0x0, 0x4000000);
621 }
622 
623 static void aspeed_soc_ast2700_class_init(ObjectClass *oc, void *data)
624 {
625     static const char * const valid_cpu_types[] = {
626         ARM_CPU_TYPE_NAME("cortex-a35"),
627         NULL
628     };
629     DeviceClass *dc = DEVICE_CLASS(oc);
630     AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
631 
632     /* Reason: The Aspeed SoC can only be instantiated from a board */
633     dc->user_creatable = false;
634     dc->realize      = aspeed_soc_ast2700_realize;
635 
636     sc->name         = "ast2700-a0";
637     sc->valid_cpu_types = valid_cpu_types;
638     sc->silicon_rev  = AST2700_A0_SILICON_REV;
639     sc->sram_size    = 0x20000;
640     sc->spis_num     = 3;
641     sc->wdts_num     = 8;
642     sc->macs_num     = 1;
643     sc->uarts_num    = 13;
644     sc->num_cpus     = 4;
645     sc->uarts_base   = ASPEED_DEV_UART0;
646     sc->irqmap       = aspeed_soc_ast2700_irqmap;
647     sc->memmap       = aspeed_soc_ast2700_memmap;
648     sc->get_irq      = aspeed_soc_ast2700_get_irq;
649 }
650 
651 static const TypeInfo aspeed_soc_ast27x0_types[] = {
652     {
653         .name           = TYPE_ASPEED27X0_SOC,
654         .parent         = TYPE_ASPEED_SOC,
655         .instance_size  = sizeof(Aspeed27x0SoCState),
656         .abstract       = true,
657     }, {
658         .name           = "ast2700-a0",
659         .parent         = TYPE_ASPEED27X0_SOC,
660         .instance_init  = aspeed_soc_ast2700_init,
661         .class_init     = aspeed_soc_ast2700_class_init,
662     },
663 };
664 
665 DEFINE_TYPES(aspeed_soc_ast27x0_types)
666