xref: /qemu/hw/arm/aspeed_ast27x0.c (revision 70ce076fa6dff60585c229a4b641b13e64bf03cf)
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 "hw/arm/bsa.h"
17 #include "qemu/module.h"
18 #include "qemu/error-report.h"
19 #include "hw/i2c/aspeed_i2c.h"
20 #include "net/net.h"
21 #include "system/system.h"
22 #include "hw/intc/arm_gicv3.h"
23 #include "qobject/qlist.h"
24 #include "qemu/log.h"
25 
26 static const hwaddr aspeed_soc_ast2700_memmap[] = {
27     [ASPEED_DEV_SPI_BOOT]  =  0x400000000,
28     [ASPEED_DEV_SRAM]      =  0x10000000,
29     [ASPEED_DEV_SDMC]      =  0x12C00000,
30     [ASPEED_DEV_SCU]       =  0x12C02000,
31     [ASPEED_DEV_SCUIO]     =  0x14C02000,
32     [ASPEED_DEV_UART0]     =  0X14C33000,
33     [ASPEED_DEV_UART1]     =  0X14C33100,
34     [ASPEED_DEV_UART2]     =  0X14C33200,
35     [ASPEED_DEV_UART3]     =  0X14C33300,
36     [ASPEED_DEV_UART4]     =  0X12C1A000,
37     [ASPEED_DEV_UART5]     =  0X14C33400,
38     [ASPEED_DEV_UART6]     =  0X14C33500,
39     [ASPEED_DEV_UART7]     =  0X14C33600,
40     [ASPEED_DEV_UART8]     =  0X14C33700,
41     [ASPEED_DEV_UART9]     =  0X14C33800,
42     [ASPEED_DEV_UART10]    =  0X14C33900,
43     [ASPEED_DEV_UART11]    =  0X14C33A00,
44     [ASPEED_DEV_UART12]    =  0X14C33B00,
45     [ASPEED_DEV_WDT]       =  0x14C37000,
46     [ASPEED_DEV_VUART]     =  0X14C30000,
47     [ASPEED_DEV_FMC]       =  0x14000000,
48     [ASPEED_DEV_SPI0]      =  0x14010000,
49     [ASPEED_DEV_SPI1]      =  0x14020000,
50     [ASPEED_DEV_SPI2]      =  0x14030000,
51     [ASPEED_DEV_SDRAM]     =  0x400000000,
52     [ASPEED_DEV_MII1]      =  0x14040000,
53     [ASPEED_DEV_MII2]      =  0x14040008,
54     [ASPEED_DEV_MII3]      =  0x14040010,
55     [ASPEED_DEV_ETH1]      =  0x14050000,
56     [ASPEED_DEV_ETH2]      =  0x14060000,
57     [ASPEED_DEV_ETH3]      =  0x14070000,
58     [ASPEED_DEV_EMMC]      =  0x12090000,
59     [ASPEED_DEV_INTC]      =  0x12100000,
60     [ASPEED_DEV_SLI]       =  0x12C17000,
61     [ASPEED_DEV_SLIIO]     =  0x14C1E000,
62     [ASPEED_GIC_DIST]      =  0x12200000,
63     [ASPEED_GIC_REDIST]    =  0x12280000,
64     [ASPEED_DEV_ADC]       =  0x14C00000,
65     [ASPEED_DEV_I2C]       =  0x14C0F000,
66     [ASPEED_DEV_GPIO]      =  0x14C0B000,
67     [ASPEED_DEV_RTC]       =  0x12C0F000,
68     [ASPEED_DEV_SDHCI]     =  0x14080000,
69     [ASPEED_DEV_TIMER1]    =  0x12C10000,
70 };
71 
72 #define AST2700_MAX_IRQ 256
73 
74 /* Shared Peripheral Interrupt values below are offset by -32 from datasheet */
75 static const int aspeed_soc_ast2700_irqmap[] = {
76     [ASPEED_DEV_UART0]     = 132,
77     [ASPEED_DEV_UART1]     = 132,
78     [ASPEED_DEV_UART2]     = 132,
79     [ASPEED_DEV_UART3]     = 132,
80     [ASPEED_DEV_UART4]     = 8,
81     [ASPEED_DEV_UART5]     = 132,
82     [ASPEED_DEV_UART6]     = 132,
83     [ASPEED_DEV_UART7]     = 132,
84     [ASPEED_DEV_UART8]     = 132,
85     [ASPEED_DEV_UART9]     = 132,
86     [ASPEED_DEV_UART10]    = 132,
87     [ASPEED_DEV_UART11]    = 132,
88     [ASPEED_DEV_UART12]    = 132,
89     [ASPEED_DEV_FMC]       = 131,
90     [ASPEED_DEV_SDMC]      = 0,
91     [ASPEED_DEV_SCU]       = 12,
92     [ASPEED_DEV_ADC]       = 130,
93     [ASPEED_DEV_XDMA]      = 5,
94     [ASPEED_DEV_EMMC]      = 15,
95     [ASPEED_DEV_GPIO]      = 130,
96     [ASPEED_DEV_RTC]       = 13,
97     [ASPEED_DEV_TIMER1]    = 16,
98     [ASPEED_DEV_TIMER2]    = 17,
99     [ASPEED_DEV_TIMER3]    = 18,
100     [ASPEED_DEV_TIMER4]    = 19,
101     [ASPEED_DEV_TIMER5]    = 20,
102     [ASPEED_DEV_TIMER6]    = 21,
103     [ASPEED_DEV_TIMER7]    = 22,
104     [ASPEED_DEV_TIMER8]    = 23,
105     [ASPEED_DEV_WDT]       = 131,
106     [ASPEED_DEV_PWM]       = 131,
107     [ASPEED_DEV_LPC]       = 128,
108     [ASPEED_DEV_IBT]       = 128,
109     [ASPEED_DEV_I2C]       = 130,
110     [ASPEED_DEV_PECI]      = 133,
111     [ASPEED_DEV_ETH1]      = 132,
112     [ASPEED_DEV_ETH2]      = 132,
113     [ASPEED_DEV_ETH3]      = 132,
114     [ASPEED_DEV_HACE]      = 4,
115     [ASPEED_DEV_KCS]       = 128,
116     [ASPEED_DEV_DP]        = 28,
117     [ASPEED_DEV_I3C]       = 131,
118     [ASPEED_DEV_SDHCI]     = 133,
119 };
120 
121 /* GICINT 128 */
122 static const int aspeed_soc_ast2700_gic128_intcmap[] = {
123     [ASPEED_DEV_LPC]       = 0,
124     [ASPEED_DEV_IBT]       = 2,
125     [ASPEED_DEV_KCS]       = 4,
126 };
127 
128 /* GICINT 130 */
129 static const int aspeed_soc_ast2700_gic130_intcmap[] = {
130     [ASPEED_DEV_I2C]        = 0,
131     [ASPEED_DEV_ADC]        = 16,
132     [ASPEED_DEV_GPIO]       = 18,
133 };
134 
135 /* GICINT 131 */
136 static const int aspeed_soc_ast2700_gic131_intcmap[] = {
137     [ASPEED_DEV_I3C]       = 0,
138     [ASPEED_DEV_WDT]       = 16,
139     [ASPEED_DEV_FMC]       = 25,
140     [ASPEED_DEV_PWM]       = 29,
141 };
142 
143 /* GICINT 132 */
144 static const int aspeed_soc_ast2700_gic132_intcmap[] = {
145     [ASPEED_DEV_ETH1]      = 0,
146     [ASPEED_DEV_ETH2]      = 1,
147     [ASPEED_DEV_ETH3]      = 2,
148     [ASPEED_DEV_UART0]     = 7,
149     [ASPEED_DEV_UART1]     = 8,
150     [ASPEED_DEV_UART2]     = 9,
151     [ASPEED_DEV_UART3]     = 10,
152     [ASPEED_DEV_UART5]     = 11,
153     [ASPEED_DEV_UART6]     = 12,
154     [ASPEED_DEV_UART7]     = 13,
155     [ASPEED_DEV_UART8]     = 14,
156     [ASPEED_DEV_UART9]     = 15,
157     [ASPEED_DEV_UART10]    = 16,
158     [ASPEED_DEV_UART11]    = 17,
159     [ASPEED_DEV_UART12]    = 18,
160 };
161 
162 /* GICINT 133 */
163 static const int aspeed_soc_ast2700_gic133_intcmap[] = {
164     [ASPEED_DEV_SDHCI]     = 1,
165     [ASPEED_DEV_PECI]      = 4,
166 };
167 
168 /* GICINT 128 ~ 136 */
169 struct gic_intc_irq_info {
170     int irq;
171     const int *ptr;
172 };
173 
174 static const struct gic_intc_irq_info aspeed_soc_ast2700_gic_intcmap[] = {
175     {128,  aspeed_soc_ast2700_gic128_intcmap},
176     {129,  NULL},
177     {130,  aspeed_soc_ast2700_gic130_intcmap},
178     {131,  aspeed_soc_ast2700_gic131_intcmap},
179     {132,  aspeed_soc_ast2700_gic132_intcmap},
180     {133,  aspeed_soc_ast2700_gic133_intcmap},
181     {134,  NULL},
182     {135,  NULL},
183     {136,  NULL},
184 };
185 
186 static qemu_irq aspeed_soc_ast2700_get_irq(AspeedSoCState *s, int dev)
187 {
188     Aspeed27x0SoCState *a = ASPEED27X0_SOC(s);
189     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
190     int i;
191 
192     for (i = 0; i < ARRAY_SIZE(aspeed_soc_ast2700_gic_intcmap); i++) {
193         if (sc->irqmap[dev] == aspeed_soc_ast2700_gic_intcmap[i].irq) {
194             assert(aspeed_soc_ast2700_gic_intcmap[i].ptr);
195             return qdev_get_gpio_in(DEVICE(&a->intc.orgates[i]),
196                 aspeed_soc_ast2700_gic_intcmap[i].ptr[dev]);
197         }
198     }
199 
200     return qdev_get_gpio_in(DEVICE(&a->gic), sc->irqmap[dev]);
201 }
202 
203 static qemu_irq aspeed_soc_ast2700_get_irq_index(AspeedSoCState *s, int dev,
204                                                  int index)
205 {
206     Aspeed27x0SoCState *a = ASPEED27X0_SOC(s);
207     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
208     int i;
209 
210     for (i = 0; i < ARRAY_SIZE(aspeed_soc_ast2700_gic_intcmap); i++) {
211         if (sc->irqmap[dev] == aspeed_soc_ast2700_gic_intcmap[i].irq) {
212             assert(aspeed_soc_ast2700_gic_intcmap[i].ptr);
213             return qdev_get_gpio_in(DEVICE(&a->intc.orgates[i]),
214                 aspeed_soc_ast2700_gic_intcmap[i].ptr[dev] + index);
215         }
216     }
217 
218     /*
219      * Invalid orgate index, device irq should be 128 to 136.
220      */
221     g_assert_not_reached();
222 }
223 
224 static uint64_t aspeed_ram_capacity_read(void *opaque, hwaddr addr,
225                                                     unsigned int size)
226 {
227     qemu_log_mask(LOG_GUEST_ERROR,
228                   "%s: DRAM read out of ram size, addr:0x%" PRIx64 "\n",
229                    __func__, addr);
230     return 0;
231 }
232 
233 static void aspeed_ram_capacity_write(void *opaque, hwaddr addr, uint64_t data,
234                                                 unsigned int size)
235 {
236     AspeedSoCState *s = ASPEED_SOC(opaque);
237     ram_addr_t ram_size;
238     MemTxResult result;
239 
240     ram_size = object_property_get_uint(OBJECT(&s->sdmc), "ram-size",
241                                         &error_abort);
242 
243     assert(ram_size > 0);
244 
245     /*
246      * Emulate ddr capacity hardware behavior.
247      * If writes the data to the address which is beyond the ram size,
248      * it would write the data to the "address % ram_size".
249      */
250     result = address_space_write(&s->dram_as, addr % ram_size,
251                                  MEMTXATTRS_UNSPECIFIED, &data, 4);
252     if (result != MEMTX_OK) {
253         qemu_log_mask(LOG_GUEST_ERROR,
254                       "%s: DRAM write failed, addr:0x%" HWADDR_PRIx
255                       ", data :0x%" PRIx64  "\n",
256                       __func__, addr % ram_size, data);
257     }
258 }
259 
260 static const MemoryRegionOps aspeed_ram_capacity_ops = {
261     .read = aspeed_ram_capacity_read,
262     .write = aspeed_ram_capacity_write,
263     .endianness = DEVICE_LITTLE_ENDIAN,
264     .valid = {
265         .min_access_size = 1,
266         .max_access_size = 8,
267     },
268 };
269 
270 /*
271  * SDMC should be realized first to get correct RAM size and max size
272  * values
273  */
274 static bool aspeed_soc_ast2700_dram_init(DeviceState *dev, Error **errp)
275 {
276     ram_addr_t ram_size, max_ram_size;
277     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
278     AspeedSoCState *s = ASPEED_SOC(dev);
279     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
280 
281     ram_size = object_property_get_uint(OBJECT(&s->sdmc), "ram-size",
282                                         &error_abort);
283     max_ram_size = object_property_get_uint(OBJECT(&s->sdmc), "max-ram-size",
284                                             &error_abort);
285 
286     memory_region_init(&s->dram_container, OBJECT(s), "ram-container",
287                        ram_size);
288     memory_region_add_subregion(&s->dram_container, 0, s->dram_mr);
289     address_space_init(&s->dram_as, s->dram_mr, "dram");
290 
291     /*
292      * Add a memory region beyond the RAM region to emulate
293      * ddr capacity hardware behavior.
294      */
295     if (ram_size < max_ram_size) {
296         memory_region_init_io(&a->dram_empty, OBJECT(s),
297                               &aspeed_ram_capacity_ops, s,
298                               "ram-empty", max_ram_size - ram_size);
299 
300         memory_region_add_subregion(s->memory,
301                                     sc->memmap[ASPEED_DEV_SDRAM] + ram_size,
302                                     &a->dram_empty);
303     }
304 
305     memory_region_add_subregion(s->memory,
306                       sc->memmap[ASPEED_DEV_SDRAM], &s->dram_container);
307     return true;
308 }
309 
310 static void aspeed_soc_ast2700_init(Object *obj)
311 {
312     Aspeed27x0SoCState *a = ASPEED27X0_SOC(obj);
313     AspeedSoCState *s = ASPEED_SOC(obj);
314     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
315     int i;
316     char socname[8];
317     char typename[64];
318 
319     if (sscanf(sc->name, "%7s", socname) != 1) {
320         g_assert_not_reached();
321     }
322 
323     for (i = 0; i < sc->num_cpus; i++) {
324         object_initialize_child(obj, "cpu[*]", &a->cpu[i],
325                                 aspeed_soc_cpu_type(sc));
326     }
327 
328     object_initialize_child(obj, "gic", &a->gic, gicv3_class_name());
329 
330     object_initialize_child(obj, "scu", &s->scu, TYPE_ASPEED_2700_SCU);
331     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
332                          sc->silicon_rev);
333     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
334                               "hw-strap1");
335     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
336                               "hw-strap2");
337     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
338                               "hw-prot-key");
339 
340     object_initialize_child(obj, "scuio", &s->scuio, TYPE_ASPEED_2700_SCUIO);
341     qdev_prop_set_uint32(DEVICE(&s->scuio), "silicon-rev",
342                          sc->silicon_rev);
343 
344     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
345     object_initialize_child(obj, "fmc", &s->fmc, typename);
346 
347     for (i = 0; i < sc->spis_num; i++) {
348         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i, socname);
349         object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
350     }
351 
352     snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
353     object_initialize_child(obj, "sdmc", &s->sdmc, typename);
354     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
355                               "ram-size");
356 
357     for (i = 0; i < sc->wdts_num; i++) {
358         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
359         object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
360     }
361 
362     for (i = 0; i < sc->macs_num; i++) {
363         object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
364                                 TYPE_FTGMAC100);
365 
366         object_initialize_child(obj, "mii[*]", &s->mii[i], TYPE_ASPEED_MII);
367     }
368 
369     for (i = 0; i < sc->uarts_num; i++) {
370         object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_SERIAL_MM);
371     }
372 
373     object_initialize_child(obj, "sli", &s->sli, TYPE_ASPEED_2700_SLI);
374     object_initialize_child(obj, "sliio", &s->sliio, TYPE_ASPEED_2700_SLIIO);
375     object_initialize_child(obj, "intc", &a->intc, TYPE_ASPEED_2700_INTC);
376 
377     snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname);
378     object_initialize_child(obj, "adc", &s->adc, typename);
379 
380     snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
381     object_initialize_child(obj, "i2c", &s->i2c, typename);
382 
383     snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
384     object_initialize_child(obj, "gpio", &s->gpio, typename);
385 
386     object_initialize_child(obj, "rtc", &s->rtc, TYPE_ASPEED_RTC);
387 
388     snprintf(typename, sizeof(typename), "aspeed.sdhci-%s", socname);
389     object_initialize_child(obj, "sd-controller", &s->sdhci, typename);
390     object_property_set_int(OBJECT(&s->sdhci), "num-slots", 1, &error_abort);
391 
392     /* Init sd card slot class here so that they're under the correct parent */
393     object_initialize_child(obj, "sd-controller.sdhci",
394                             &s->sdhci.slots[0], TYPE_SYSBUS_SDHCI);
395 
396     object_initialize_child(obj, "emmc-controller", &s->emmc, typename);
397     object_property_set_int(OBJECT(&s->emmc), "num-slots", 1, &error_abort);
398 
399     object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0],
400                             TYPE_SYSBUS_SDHCI);
401 
402     snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
403     object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
404 }
405 
406 /*
407  * ASPEED ast2700 has 0x0 as cluster ID
408  *
409  * https://developer.arm.com/documentation/100236/0100/register-descriptions/aarch64-system-registers/multiprocessor-affinity-register--el1
410  */
411 static uint64_t aspeed_calc_affinity(int cpu)
412 {
413     return (0x0 << ARM_AFF1_SHIFT) | cpu;
414 }
415 
416 static bool aspeed_soc_ast2700_gic_realize(DeviceState *dev, Error **errp)
417 {
418     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
419     AspeedSoCState *s = ASPEED_SOC(dev);
420     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
421     SysBusDevice *gicbusdev;
422     DeviceState *gicdev;
423     QList *redist_region_count;
424     int i;
425 
426     gicbusdev = SYS_BUS_DEVICE(&a->gic);
427     gicdev = DEVICE(&a->gic);
428     qdev_prop_set_uint32(gicdev, "revision", 3);
429     qdev_prop_set_uint32(gicdev, "num-cpu", sc->num_cpus);
430     qdev_prop_set_uint32(gicdev, "num-irq", AST2700_MAX_IRQ + GIC_INTERNAL);
431 
432     redist_region_count = qlist_new();
433     qlist_append_int(redist_region_count, sc->num_cpus);
434     qdev_prop_set_array(gicdev, "redist-region-count", redist_region_count);
435 
436     if (!sysbus_realize(gicbusdev, errp)) {
437         return false;
438     }
439     sysbus_mmio_map(gicbusdev, 0, sc->memmap[ASPEED_GIC_DIST]);
440     sysbus_mmio_map(gicbusdev, 1, sc->memmap[ASPEED_GIC_REDIST]);
441 
442     for (i = 0; i < sc->num_cpus; i++) {
443         DeviceState *cpudev = DEVICE(&a->cpu[i]);
444         int intidbase = AST2700_MAX_IRQ + i * GIC_INTERNAL;
445 
446         const int timer_irq[] = {
447             [GTIMER_PHYS] = ARCH_TIMER_NS_EL1_IRQ,
448             [GTIMER_VIRT] = ARCH_TIMER_VIRT_IRQ,
449             [GTIMER_HYP]  = ARCH_TIMER_NS_EL2_IRQ,
450             [GTIMER_SEC]  = ARCH_TIMER_S_EL1_IRQ,
451         };
452         int j;
453 
454         for (j = 0; j < ARRAY_SIZE(timer_irq); j++) {
455             qdev_connect_gpio_out(cpudev, j,
456                     qdev_get_gpio_in(gicdev, intidbase + timer_irq[j]));
457         }
458 
459         qemu_irq irq = qdev_get_gpio_in(gicdev,
460                                         intidbase + ARCH_GIC_MAINT_IRQ);
461         qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
462                                     0, irq);
463         qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
464                 qdev_get_gpio_in(gicdev, intidbase + VIRTUAL_PMU_IRQ));
465 
466         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
467         sysbus_connect_irq(gicbusdev, i + sc->num_cpus,
468                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
469         sysbus_connect_irq(gicbusdev, i + 2 * sc->num_cpus,
470                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
471         sysbus_connect_irq(gicbusdev, i + 3 * sc->num_cpus,
472                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
473     }
474 
475     return true;
476 }
477 
478 static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
479 {
480     int i;
481     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
482     AspeedSoCState *s = ASPEED_SOC(dev);
483     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
484     AspeedINTCClass *ic = ASPEED_INTC_GET_CLASS(&a->intc);
485     g_autofree char *sram_name = NULL;
486     qemu_irq irq;
487 
488     /* Default boot region (SPI memory or ROMs) */
489     memory_region_init(&s->spi_boot_container, OBJECT(s),
490                        "aspeed.spi_boot_container", 0x400000000);
491     memory_region_add_subregion(s->memory, sc->memmap[ASPEED_DEV_SPI_BOOT],
492                                 &s->spi_boot_container);
493 
494     /* CPU */
495     for (i = 0; i < sc->num_cpus; i++) {
496         object_property_set_int(OBJECT(&a->cpu[i]), "mp-affinity",
497                                 aspeed_calc_affinity(i), &error_abort);
498 
499         object_property_set_int(OBJECT(&a->cpu[i]), "cntfrq", 1125000000,
500                                 &error_abort);
501         object_property_set_link(OBJECT(&a->cpu[i]), "memory",
502                                  OBJECT(s->memory), &error_abort);
503 
504         if (!qdev_realize(DEVICE(&a->cpu[i]), NULL, errp)) {
505             return;
506         }
507     }
508 
509     /* GIC */
510     if (!aspeed_soc_ast2700_gic_realize(dev, errp)) {
511         return;
512     }
513 
514     /* INTC */
515     if (!sysbus_realize(SYS_BUS_DEVICE(&a->intc), errp)) {
516         return;
517     }
518 
519     aspeed_mmio_map(s, SYS_BUS_DEVICE(&a->intc), 0,
520                     sc->memmap[ASPEED_DEV_INTC]);
521 
522     /* GICINT orgates -> INTC -> GIC */
523     for (i = 0; i < ic->num_ints; i++) {
524         qdev_connect_gpio_out(DEVICE(&a->intc.orgates[i]), 0,
525                                 qdev_get_gpio_in(DEVICE(&a->intc), i));
526         sysbus_connect_irq(SYS_BUS_DEVICE(&a->intc), i,
527                            qdev_get_gpio_in(DEVICE(&a->gic),
528                                 aspeed_soc_ast2700_gic_intcmap[i].irq));
529     }
530 
531     /* SRAM */
532     sram_name = g_strdup_printf("aspeed.sram.%d", CPU(&a->cpu[0])->cpu_index);
533     if (!memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_size,
534                                  errp)) {
535         return;
536     }
537     memory_region_add_subregion(s->memory,
538                                 sc->memmap[ASPEED_DEV_SRAM], &s->sram);
539 
540     /* SCU */
541     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
542         return;
543     }
544     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
545 
546     /* SCU1 */
547     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scuio), errp)) {
548         return;
549     }
550     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scuio), 0,
551                     sc->memmap[ASPEED_DEV_SCUIO]);
552 
553     /* UART */
554     if (!aspeed_soc_uart_realize(s, errp)) {
555         return;
556     }
557 
558     /* FMC, The number of CS is set at the board level */
559     object_property_set_int(OBJECT(&s->fmc), "dram-base",
560                             sc->memmap[ASPEED_DEV_SDRAM],
561                             &error_abort);
562     object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(s->dram_mr),
563                              &error_abort);
564     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
565         return;
566     }
567     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
568     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 1,
569                     ASPEED_SMC_GET_CLASS(&s->fmc)->flash_window_base);
570     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
571                        aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
572 
573     /* Set up an alias on the FMC CE0 region (boot default) */
574     MemoryRegion *fmc0_mmio = &s->fmc.flashes[0].mmio;
575     memory_region_init_alias(&s->spi_boot, OBJECT(s), "aspeed.spi_boot",
576                              fmc0_mmio, 0, memory_region_size(fmc0_mmio));
577     memory_region_add_subregion(&s->spi_boot_container, 0x0, &s->spi_boot);
578 
579     /* SPI */
580     for (i = 0; i < sc->spis_num; i++) {
581         object_property_set_link(OBJECT(&s->spi[i]), "dram",
582                                  OBJECT(s->dram_mr), &error_abort);
583         if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
584             return;
585         }
586         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 0,
587                         sc->memmap[ASPEED_DEV_SPI0 + i]);
588         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 1,
589                         ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
590     }
591 
592     /*
593      * SDMC - SDRAM Memory Controller
594      * The SDMC controller is unlocked at SPL stage.
595      * At present, only supports to emulate booting
596      * start from u-boot stage. Set SDMC controller
597      * unlocked by default. It is a temporarily solution.
598      */
599     object_property_set_bool(OBJECT(&s->sdmc), "unlocked", true,
600                                  &error_abort);
601     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdmc), errp)) {
602         return;
603     }
604     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sdmc), 0,
605                     sc->memmap[ASPEED_DEV_SDMC]);
606 
607     /* RAM */
608     if (!aspeed_soc_ast2700_dram_init(dev, errp)) {
609         return;
610     }
611 
612     /* Net */
613     for (i = 0; i < sc->macs_num; i++) {
614         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
615                                  &error_abort);
616         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "dma64", true,
617                                  &error_abort);
618         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
619             return;
620         }
621         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
622                         sc->memmap[ASPEED_DEV_ETH1 + i]);
623         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
624                            aspeed_soc_get_irq(s, ASPEED_DEV_ETH1 + i));
625 
626         object_property_set_link(OBJECT(&s->mii[i]), "nic",
627                                  OBJECT(&s->ftgmac100[i]), &error_abort);
628         if (!sysbus_realize(SYS_BUS_DEVICE(&s->mii[i]), errp)) {
629             return;
630         }
631 
632         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->mii[i]), 0,
633                         sc->memmap[ASPEED_DEV_MII1 + i]);
634     }
635 
636     /* Watch dog */
637     for (i = 0; i < sc->wdts_num; i++) {
638         AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
639         hwaddr wdt_offset = sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize;
640 
641         object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
642                                  &error_abort);
643         if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
644             return;
645         }
646         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, wdt_offset);
647     }
648 
649     /* SLI */
650     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sli), errp)) {
651         return;
652     }
653     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sli), 0, sc->memmap[ASPEED_DEV_SLI]);
654 
655     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sliio), errp)) {
656         return;
657     }
658     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sliio), 0,
659                     sc->memmap[ASPEED_DEV_SLIIO]);
660 
661     /* ADC */
662     if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
663         return;
664     }
665     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]);
666     sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
667                        aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
668 
669     /* I2C */
670     object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),
671                              &error_abort);
672     if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
673         return;
674     }
675     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]);
676     for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) {
677         /*
678          * The AST2700 I2C controller has one source INTC per bus.
679          * I2C buses interrupt are connected to GICINT130_INTC
680          * from bit 0 to bit 15.
681          * I2C bus 0 is connected to GICINT130_INTC at bit 0.
682          * I2C bus 15 is connected to GICINT130_INTC at bit 15.
683          */
684         irq = aspeed_soc_ast2700_get_irq_index(s, ASPEED_DEV_I2C, i);
685         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
686     }
687 
688     /* GPIO */
689     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
690         return;
691     }
692     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->gpio), 0,
693                     sc->memmap[ASPEED_DEV_GPIO]);
694     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
695                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
696 
697     /* RTC */
698     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rtc), errp)) {
699         return;
700     }
701     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_DEV_RTC]);
702     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
703                        aspeed_soc_get_irq(s, ASPEED_DEV_RTC));
704 
705     /* SDHCI */
706     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
707         return;
708     }
709     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sdhci), 0,
710                     sc->memmap[ASPEED_DEV_SDHCI]);
711     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
712                        aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI));
713 
714     /* eMMC */
715     if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc), errp)) {
716         return;
717     }
718     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->emmc), 0,
719                     sc->memmap[ASPEED_DEV_EMMC]);
720     sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0,
721                        aspeed_soc_get_irq(s, ASPEED_DEV_EMMC));
722 
723     /* Timer */
724     object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
725                              &error_abort);
726     if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
727         return;
728     }
729     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->timerctrl), 0,
730                     sc->memmap[ASPEED_DEV_TIMER1]);
731     for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
732         irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i);
733         sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
734     }
735 
736     create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000);
737     create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000);
738     create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000);
739     create_unimplemented_device("ast2700.ltpi", 0x30000000, 0x1000000);
740     create_unimplemented_device("ast2700.io", 0x0, 0x4000000);
741 }
742 
743 static void aspeed_soc_ast2700_class_init(ObjectClass *oc, void *data)
744 {
745     static const char * const valid_cpu_types[] = {
746         ARM_CPU_TYPE_NAME("cortex-a35"),
747         NULL
748     };
749     DeviceClass *dc = DEVICE_CLASS(oc);
750     AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
751 
752     /* Reason: The Aspeed SoC can only be instantiated from a board */
753     dc->user_creatable = false;
754     dc->realize      = aspeed_soc_ast2700_realize;
755 
756     sc->name         = "ast2700-a0";
757     sc->valid_cpu_types = valid_cpu_types;
758     sc->silicon_rev  = AST2700_A0_SILICON_REV;
759     sc->sram_size    = 0x20000;
760     sc->spis_num     = 3;
761     sc->wdts_num     = 8;
762     sc->macs_num     = 1;
763     sc->uarts_num    = 13;
764     sc->num_cpus     = 4;
765     sc->uarts_base   = ASPEED_DEV_UART0;
766     sc->irqmap       = aspeed_soc_ast2700_irqmap;
767     sc->memmap       = aspeed_soc_ast2700_memmap;
768     sc->get_irq      = aspeed_soc_ast2700_get_irq;
769 }
770 
771 static const TypeInfo aspeed_soc_ast27x0_types[] = {
772     {
773         .name           = TYPE_ASPEED27X0_SOC,
774         .parent         = TYPE_ASPEED_SOC,
775         .instance_size  = sizeof(Aspeed27x0SoCState),
776         .abstract       = true,
777     }, {
778         .name           = "ast2700-a0",
779         .parent         = TYPE_ASPEED27X0_SOC,
780         .instance_init  = aspeed_soc_ast2700_init,
781         .class_init     = aspeed_soc_ast2700_class_init,
782     },
783 };
784 
785 DEFINE_TYPES(aspeed_soc_ast27x0_types)
786