xref: /qemu/hw/arm/aspeed_ast27x0.c (revision d2c8093567b3681e4439702f129e89156f59afb5)
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]  =  0x100000000,
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     [ASPEED_DEV_HACE]      =  0x12070000,
71 };
72 
73 #define AST2700_MAX_IRQ 256
74 
75 /* Shared Peripheral Interrupt values below are offset by -32 from datasheet */
76 static const int aspeed_soc_ast2700a0_irqmap[] = {
77     [ASPEED_DEV_SDMC]      = 0,
78     [ASPEED_DEV_HACE]      = 4,
79     [ASPEED_DEV_XDMA]      = 5,
80     [ASPEED_DEV_UART4]     = 8,
81     [ASPEED_DEV_SCU]       = 12,
82     [ASPEED_DEV_RTC]       = 13,
83     [ASPEED_DEV_EMMC]      = 15,
84     [ASPEED_DEV_TIMER1]    = 16,
85     [ASPEED_DEV_TIMER2]    = 17,
86     [ASPEED_DEV_TIMER3]    = 18,
87     [ASPEED_DEV_TIMER4]    = 19,
88     [ASPEED_DEV_TIMER5]    = 20,
89     [ASPEED_DEV_TIMER6]    = 21,
90     [ASPEED_DEV_TIMER7]    = 22,
91     [ASPEED_DEV_TIMER8]    = 23,
92     [ASPEED_DEV_DP]        = 28,
93     [ASPEED_DEV_LPC]       = 128,
94     [ASPEED_DEV_IBT]       = 128,
95     [ASPEED_DEV_KCS]       = 128,
96     [ASPEED_DEV_ADC]       = 130,
97     [ASPEED_DEV_GPIO]      = 130,
98     [ASPEED_DEV_I2C]       = 130,
99     [ASPEED_DEV_FMC]       = 131,
100     [ASPEED_DEV_WDT]       = 131,
101     [ASPEED_DEV_PWM]       = 131,
102     [ASPEED_DEV_I3C]       = 131,
103     [ASPEED_DEV_UART0]     = 132,
104     [ASPEED_DEV_UART1]     = 132,
105     [ASPEED_DEV_UART2]     = 132,
106     [ASPEED_DEV_UART3]     = 132,
107     [ASPEED_DEV_UART5]     = 132,
108     [ASPEED_DEV_UART6]     = 132,
109     [ASPEED_DEV_UART7]     = 132,
110     [ASPEED_DEV_UART8]     = 132,
111     [ASPEED_DEV_UART9]     = 132,
112     [ASPEED_DEV_UART10]    = 132,
113     [ASPEED_DEV_UART11]    = 132,
114     [ASPEED_DEV_UART12]    = 132,
115     [ASPEED_DEV_ETH1]      = 132,
116     [ASPEED_DEV_ETH2]      = 132,
117     [ASPEED_DEV_ETH3]      = 132,
118     [ASPEED_DEV_PECI]      = 133,
119     [ASPEED_DEV_SDHCI]     = 133,
120 };
121 
122 /* GICINT 128 */
123 /* GICINT 192 */
124 static const int ast2700_gic128_gic192_intcmap[] = {
125     [ASPEED_DEV_LPC]       = 0,
126     [ASPEED_DEV_IBT]       = 2,
127     [ASPEED_DEV_KCS]       = 4,
128 };
129 
130 /* GICINT 129 */
131 /* GICINT 193 */
132 
133 /* GICINT 130 */
134 /* GICINT 194 */
135 static const int ast2700_gic130_gic194_intcmap[] = {
136     [ASPEED_DEV_I2C]        = 0,
137     [ASPEED_DEV_ADC]        = 16,
138     [ASPEED_DEV_GPIO]       = 18,
139 };
140 
141 /* GICINT 131 */
142 /* GICINT 195 */
143 static const int ast2700_gic131_gic195_intcmap[] = {
144     [ASPEED_DEV_I3C]       = 0,
145     [ASPEED_DEV_WDT]       = 16,
146     [ASPEED_DEV_FMC]       = 25,
147     [ASPEED_DEV_PWM]       = 29,
148 };
149 
150 /* GICINT 132 */
151 /* GICINT 196 */
152 static const int ast2700_gic132_gic196_intcmap[] = {
153     [ASPEED_DEV_ETH1]      = 0,
154     [ASPEED_DEV_ETH2]      = 1,
155     [ASPEED_DEV_ETH3]      = 2,
156     [ASPEED_DEV_UART0]     = 7,
157     [ASPEED_DEV_UART1]     = 8,
158     [ASPEED_DEV_UART2]     = 9,
159     [ASPEED_DEV_UART3]     = 10,
160     [ASPEED_DEV_UART5]     = 11,
161     [ASPEED_DEV_UART6]     = 12,
162     [ASPEED_DEV_UART7]     = 13,
163     [ASPEED_DEV_UART8]     = 14,
164     [ASPEED_DEV_UART9]     = 15,
165     [ASPEED_DEV_UART10]    = 16,
166     [ASPEED_DEV_UART11]    = 17,
167     [ASPEED_DEV_UART12]    = 18,
168 };
169 
170 /* GICINT 133 */
171 /* GICINT 197 */
172 static const int ast2700_gic133_gic197_intcmap[] = {
173     [ASPEED_DEV_SDHCI]     = 1,
174     [ASPEED_DEV_PECI]      = 4,
175 };
176 
177 /* GICINT 128 ~ 136 */
178 /* GICINT 192 ~ 201 */
179 struct gic_intc_irq_info {
180     int irq;
181     const int *ptr;
182 };
183 
184 static const struct gic_intc_irq_info ast2700_gic_intcmap[] = {
185     {128,  ast2700_gic128_gic192_intcmap},
186     {129,  NULL},
187     {130,  ast2700_gic130_gic194_intcmap},
188     {131,  ast2700_gic131_gic195_intcmap},
189     {132,  ast2700_gic132_gic196_intcmap},
190     {133,  ast2700_gic133_gic197_intcmap},
191     {134,  NULL},
192     {135,  NULL},
193     {136,  NULL},
194 };
195 
196 static qemu_irq aspeed_soc_ast2700_get_irq(AspeedSoCState *s, int dev)
197 {
198     Aspeed27x0SoCState *a = ASPEED27X0_SOC(s);
199     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
200     int i;
201 
202     for (i = 0; i < ARRAY_SIZE(ast2700_gic_intcmap); i++) {
203         if (sc->irqmap[dev] == ast2700_gic_intcmap[i].irq) {
204             assert(ast2700_gic_intcmap[i].ptr);
205             return qdev_get_gpio_in(DEVICE(&a->intc.orgates[i]),
206                 ast2700_gic_intcmap[i].ptr[dev]);
207         }
208     }
209 
210     return qdev_get_gpio_in(DEVICE(&a->gic), sc->irqmap[dev]);
211 }
212 
213 static qemu_irq aspeed_soc_ast2700_get_irq_index(AspeedSoCState *s, int dev,
214                                                  int index)
215 {
216     Aspeed27x0SoCState *a = ASPEED27X0_SOC(s);
217     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
218     int i;
219 
220     for (i = 0; i < ARRAY_SIZE(ast2700_gic_intcmap); i++) {
221         if (sc->irqmap[dev] == ast2700_gic_intcmap[i].irq) {
222             assert(ast2700_gic_intcmap[i].ptr);
223             return qdev_get_gpio_in(DEVICE(&a->intc.orgates[i]),
224                                     ast2700_gic_intcmap[i].ptr[dev] + index);
225         }
226     }
227 
228     /*
229      * Invalid OR gate index, device IRQ should be between 128 to 136
230      * and 192 to 201.
231      */
232     g_assert_not_reached();
233 }
234 
235 static uint64_t aspeed_ram_capacity_read(void *opaque, hwaddr addr,
236                                                     unsigned int size)
237 {
238     qemu_log_mask(LOG_GUEST_ERROR,
239                   "%s: DRAM read out of ram size, addr:0x%" PRIx64 "\n",
240                    __func__, addr);
241     return 0;
242 }
243 
244 static void aspeed_ram_capacity_write(void *opaque, hwaddr addr, uint64_t data,
245                                                 unsigned int size)
246 {
247     AspeedSoCState *s = ASPEED_SOC(opaque);
248     ram_addr_t ram_size;
249     MemTxResult result;
250 
251     ram_size = object_property_get_uint(OBJECT(&s->sdmc), "ram-size",
252                                         &error_abort);
253 
254     assert(ram_size > 0);
255 
256     /*
257      * Emulate ddr capacity hardware behavior.
258      * If writes the data to the address which is beyond the ram size,
259      * it would write the data to the "address % ram_size".
260      */
261     result = address_space_write(&s->dram_as, addr % ram_size,
262                                  MEMTXATTRS_UNSPECIFIED, &data, 4);
263     if (result != MEMTX_OK) {
264         qemu_log_mask(LOG_GUEST_ERROR,
265                       "%s: DRAM write failed, addr:0x%" HWADDR_PRIx
266                       ", data :0x%" PRIx64  "\n",
267                       __func__, addr % ram_size, data);
268     }
269 }
270 
271 static const MemoryRegionOps aspeed_ram_capacity_ops = {
272     .read = aspeed_ram_capacity_read,
273     .write = aspeed_ram_capacity_write,
274     .endianness = DEVICE_LITTLE_ENDIAN,
275     .valid = {
276         .min_access_size = 1,
277         .max_access_size = 8,
278     },
279 };
280 
281 /*
282  * SDMC should be realized first to get correct RAM size and max size
283  * values
284  */
285 static bool aspeed_soc_ast2700_dram_init(DeviceState *dev, Error **errp)
286 {
287     ram_addr_t ram_size, max_ram_size;
288     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
289     AspeedSoCState *s = ASPEED_SOC(dev);
290     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
291 
292     ram_size = object_property_get_uint(OBJECT(&s->sdmc), "ram-size",
293                                         &error_abort);
294     max_ram_size = object_property_get_uint(OBJECT(&s->sdmc), "max-ram-size",
295                                             &error_abort);
296 
297     memory_region_init(&s->dram_container, OBJECT(s), "ram-container",
298                        ram_size);
299     memory_region_add_subregion(&s->dram_container, 0, s->dram_mr);
300     address_space_init(&s->dram_as, s->dram_mr, "dram");
301 
302     /*
303      * Add a memory region beyond the RAM region to emulate
304      * ddr capacity hardware behavior.
305      */
306     if (ram_size < max_ram_size) {
307         memory_region_init_io(&a->dram_empty, OBJECT(s),
308                               &aspeed_ram_capacity_ops, s,
309                               "ram-empty", max_ram_size - ram_size);
310 
311         memory_region_add_subregion(s->memory,
312                                     sc->memmap[ASPEED_DEV_SDRAM] + ram_size,
313                                     &a->dram_empty);
314     }
315 
316     memory_region_add_subregion(s->memory,
317                       sc->memmap[ASPEED_DEV_SDRAM], &s->dram_container);
318     return true;
319 }
320 
321 static void aspeed_soc_ast2700_init(Object *obj)
322 {
323     Aspeed27x0SoCState *a = ASPEED27X0_SOC(obj);
324     AspeedSoCState *s = ASPEED_SOC(obj);
325     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
326     int i;
327     char socname[8];
328     char typename[64];
329 
330     if (sscanf(object_get_typename(obj), "%7s", socname) != 1) {
331         g_assert_not_reached();
332     }
333 
334     for (i = 0; i < sc->num_cpus; i++) {
335         object_initialize_child(obj, "cpu[*]", &a->cpu[i],
336                                 aspeed_soc_cpu_type(sc));
337     }
338 
339     object_initialize_child(obj, "gic", &a->gic, gicv3_class_name());
340 
341     object_initialize_child(obj, "scu", &s->scu, TYPE_ASPEED_2700_SCU);
342     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
343                          sc->silicon_rev);
344     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
345                               "hw-strap1");
346     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
347                               "hw-prot-key");
348 
349     object_initialize_child(obj, "scuio", &s->scuio, TYPE_ASPEED_2700_SCUIO);
350     qdev_prop_set_uint32(DEVICE(&s->scuio), "silicon-rev",
351                          sc->silicon_rev);
352     /*
353      * There is one hw-strap1 register in the SCU (CPU DIE) and another
354      * hw-strap1 register in the SCUIO (IO DIE). To reuse the current design
355      * of hw-strap, hw-strap1 is assigned to the SCU and sets the value in the
356      * SCU hw-strap1 register, while hw-strap2 is assigned to the SCUIO and
357      * sets the value in the SCUIO hw-strap1 register.
358      */
359     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scuio),
360                                   "hw-strap1");
361 
362     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
363     object_initialize_child(obj, "fmc", &s->fmc, typename);
364 
365     for (i = 0; i < sc->spis_num; i++) {
366         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i, socname);
367         object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
368     }
369 
370     snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
371     object_initialize_child(obj, "sdmc", &s->sdmc, typename);
372     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
373                               "ram-size");
374 
375     for (i = 0; i < sc->wdts_num; i++) {
376         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
377         object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
378     }
379 
380     for (i = 0; i < sc->macs_num; i++) {
381         object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
382                                 TYPE_FTGMAC100);
383 
384         object_initialize_child(obj, "mii[*]", &s->mii[i], TYPE_ASPEED_MII);
385     }
386 
387     for (i = 0; i < sc->uarts_num; i++) {
388         object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_SERIAL_MM);
389     }
390 
391     object_initialize_child(obj, "sli", &s->sli, TYPE_ASPEED_2700_SLI);
392     object_initialize_child(obj, "sliio", &s->sliio, TYPE_ASPEED_2700_SLIIO);
393     object_initialize_child(obj, "intc", &a->intc, TYPE_ASPEED_2700_INTC);
394 
395     snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname);
396     object_initialize_child(obj, "adc", &s->adc, typename);
397 
398     snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
399     object_initialize_child(obj, "i2c", &s->i2c, typename);
400 
401     snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
402     object_initialize_child(obj, "gpio", &s->gpio, typename);
403 
404     object_initialize_child(obj, "rtc", &s->rtc, TYPE_ASPEED_RTC);
405 
406     snprintf(typename, sizeof(typename), "aspeed.sdhci-%s", socname);
407     object_initialize_child(obj, "sd-controller", &s->sdhci, typename);
408     object_property_set_int(OBJECT(&s->sdhci), "num-slots", 1, &error_abort);
409 
410     /* Init sd card slot class here so that they're under the correct parent */
411     object_initialize_child(obj, "sd-controller.sdhci",
412                             &s->sdhci.slots[0], TYPE_SYSBUS_SDHCI);
413 
414     object_initialize_child(obj, "emmc-controller", &s->emmc, typename);
415     object_property_set_int(OBJECT(&s->emmc), "num-slots", 1, &error_abort);
416 
417     object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0],
418                             TYPE_SYSBUS_SDHCI);
419 
420     snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
421     object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
422 
423     snprintf(typename, sizeof(typename), "aspeed.hace-%s", socname);
424     object_initialize_child(obj, "hace", &s->hace, typename);
425 }
426 
427 /*
428  * ASPEED ast2700 has 0x0 as cluster ID
429  *
430  * https://developer.arm.com/documentation/100236/0100/register-descriptions/aarch64-system-registers/multiprocessor-affinity-register--el1
431  */
432 static uint64_t aspeed_calc_affinity(int cpu)
433 {
434     return (0x0 << ARM_AFF1_SHIFT) | cpu;
435 }
436 
437 static bool aspeed_soc_ast2700_gic_realize(DeviceState *dev, Error **errp)
438 {
439     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
440     AspeedSoCState *s = ASPEED_SOC(dev);
441     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
442     SysBusDevice *gicbusdev;
443     DeviceState *gicdev;
444     QList *redist_region_count;
445     int i;
446 
447     gicbusdev = SYS_BUS_DEVICE(&a->gic);
448     gicdev = DEVICE(&a->gic);
449     qdev_prop_set_uint32(gicdev, "revision", 3);
450     qdev_prop_set_uint32(gicdev, "num-cpu", sc->num_cpus);
451     qdev_prop_set_uint32(gicdev, "num-irq", AST2700_MAX_IRQ + GIC_INTERNAL);
452 
453     redist_region_count = qlist_new();
454     qlist_append_int(redist_region_count, sc->num_cpus);
455     qdev_prop_set_array(gicdev, "redist-region-count", redist_region_count);
456 
457     if (!sysbus_realize(gicbusdev, errp)) {
458         return false;
459     }
460     sysbus_mmio_map(gicbusdev, 0, sc->memmap[ASPEED_GIC_DIST]);
461     sysbus_mmio_map(gicbusdev, 1, sc->memmap[ASPEED_GIC_REDIST]);
462 
463     for (i = 0; i < sc->num_cpus; i++) {
464         DeviceState *cpudev = DEVICE(&a->cpu[i]);
465         int intidbase = AST2700_MAX_IRQ + i * GIC_INTERNAL;
466 
467         const int timer_irq[] = {
468             [GTIMER_PHYS] = ARCH_TIMER_NS_EL1_IRQ,
469             [GTIMER_VIRT] = ARCH_TIMER_VIRT_IRQ,
470             [GTIMER_HYP]  = ARCH_TIMER_NS_EL2_IRQ,
471             [GTIMER_SEC]  = ARCH_TIMER_S_EL1_IRQ,
472         };
473         int j;
474 
475         for (j = 0; j < ARRAY_SIZE(timer_irq); j++) {
476             qdev_connect_gpio_out(cpudev, j,
477                     qdev_get_gpio_in(gicdev, intidbase + timer_irq[j]));
478         }
479 
480         qemu_irq irq = qdev_get_gpio_in(gicdev,
481                                         intidbase + ARCH_GIC_MAINT_IRQ);
482         qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
483                                     0, irq);
484         qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
485                 qdev_get_gpio_in(gicdev, intidbase + VIRTUAL_PMU_IRQ));
486 
487         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
488         sysbus_connect_irq(gicbusdev, i + sc->num_cpus,
489                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
490         sysbus_connect_irq(gicbusdev, i + 2 * sc->num_cpus,
491                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
492         sysbus_connect_irq(gicbusdev, i + 3 * sc->num_cpus,
493                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
494         sysbus_connect_irq(gicbusdev, i + 4 * sc->num_cpus,
495                            qdev_get_gpio_in(cpudev, ARM_CPU_NMI));
496         sysbus_connect_irq(gicbusdev, i + 5 * sc->num_cpus,
497                            qdev_get_gpio_in(cpudev, ARM_CPU_VINMI));
498     }
499 
500     return true;
501 }
502 
503 static void aspeed_soc_ast2700_realize(DeviceState *dev, Error **errp)
504 {
505     int i;
506     Aspeed27x0SoCState *a = ASPEED27X0_SOC(dev);
507     AspeedSoCState *s = ASPEED_SOC(dev);
508     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
509     AspeedINTCClass *ic = ASPEED_INTC_GET_CLASS(&a->intc);
510     g_autofree char *sram_name = NULL;
511     qemu_irq irq;
512 
513     /* Default boot region (SPI memory or ROMs) */
514     memory_region_init(&s->spi_boot_container, OBJECT(s),
515                        "aspeed.spi_boot_container", 0x400000000);
516     memory_region_add_subregion(s->memory, sc->memmap[ASPEED_DEV_SPI_BOOT],
517                                 &s->spi_boot_container);
518 
519     /* CPU */
520     for (i = 0; i < sc->num_cpus; i++) {
521         object_property_set_int(OBJECT(&a->cpu[i]), "mp-affinity",
522                                 aspeed_calc_affinity(i), &error_abort);
523 
524         object_property_set_int(OBJECT(&a->cpu[i]), "cntfrq", 1125000000,
525                                 &error_abort);
526         object_property_set_link(OBJECT(&a->cpu[i]), "memory",
527                                  OBJECT(s->memory), &error_abort);
528 
529         if (!qdev_realize(DEVICE(&a->cpu[i]), NULL, errp)) {
530             return;
531         }
532     }
533 
534     /* GIC */
535     if (!aspeed_soc_ast2700_gic_realize(dev, errp)) {
536         return;
537     }
538 
539     /* INTC */
540     if (!sysbus_realize(SYS_BUS_DEVICE(&a->intc), errp)) {
541         return;
542     }
543 
544     aspeed_mmio_map(s, SYS_BUS_DEVICE(&a->intc), 0,
545                     sc->memmap[ASPEED_DEV_INTC]);
546 
547     /* irq sources -> orgates -> INTC */
548     for (i = 0; i < ic->num_inpins; i++) {
549         qdev_connect_gpio_out(DEVICE(&a->intc.orgates[i]), 0,
550                               qdev_get_gpio_in(DEVICE(&a->intc), i));
551     }
552 
553     /* INTC -> GIC192 - GIC201 */
554     /* INTC -> GIC128 - GIC136 */
555     for (i = 0; i < ic->num_outpins; i++) {
556         sysbus_connect_irq(SYS_BUS_DEVICE(&a->intc), i,
557                            qdev_get_gpio_in(DEVICE(&a->gic),
558                                             ast2700_gic_intcmap[i].irq));
559     }
560 
561     /* SRAM */
562     sram_name = g_strdup_printf("aspeed.sram.%d", CPU(&a->cpu[0])->cpu_index);
563     if (!memory_region_init_ram(&s->sram, OBJECT(s), sram_name, sc->sram_size,
564                                  errp)) {
565         return;
566     }
567     memory_region_add_subregion(s->memory,
568                                 sc->memmap[ASPEED_DEV_SRAM], &s->sram);
569 
570     /* SCU */
571     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
572         return;
573     }
574     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
575 
576     /* SCU1 */
577     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scuio), errp)) {
578         return;
579     }
580     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scuio), 0,
581                     sc->memmap[ASPEED_DEV_SCUIO]);
582 
583     /* UART */
584     if (!aspeed_soc_uart_realize(s, errp)) {
585         return;
586     }
587 
588     /* FMC, The number of CS is set at the board level */
589     object_property_set_int(OBJECT(&s->fmc), "dram-base",
590                             sc->memmap[ASPEED_DEV_SDRAM],
591                             &error_abort);
592     object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(s->dram_mr),
593                              &error_abort);
594     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
595         return;
596     }
597     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
598     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 1,
599                     ASPEED_SMC_GET_CLASS(&s->fmc)->flash_window_base);
600     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
601                        aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
602 
603     /* Set up an alias on the FMC CE0 region (boot default) */
604     MemoryRegion *fmc0_mmio = &s->fmc.flashes[0].mmio;
605     memory_region_init_alias(&s->spi_boot, OBJECT(s), "aspeed.spi_boot",
606                              fmc0_mmio, 0, memory_region_size(fmc0_mmio));
607     memory_region_add_subregion(&s->spi_boot_container, 0x0, &s->spi_boot);
608 
609     /* SPI */
610     for (i = 0; i < sc->spis_num; i++) {
611         object_property_set_link(OBJECT(&s->spi[i]), "dram",
612                                  OBJECT(s->dram_mr), &error_abort);
613         if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
614             return;
615         }
616         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 0,
617                         sc->memmap[ASPEED_DEV_SPI0 + i]);
618         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 1,
619                         ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
620     }
621 
622     /*
623      * SDMC - SDRAM Memory Controller
624      * The SDMC controller is unlocked at SPL stage.
625      * At present, only supports to emulate booting
626      * start from u-boot stage. Set SDMC controller
627      * unlocked by default. It is a temporarily solution.
628      */
629     object_property_set_bool(OBJECT(&s->sdmc), "unlocked", true,
630                                  &error_abort);
631     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdmc), errp)) {
632         return;
633     }
634     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sdmc), 0,
635                     sc->memmap[ASPEED_DEV_SDMC]);
636 
637     /* RAM */
638     if (!aspeed_soc_ast2700_dram_init(dev, errp)) {
639         return;
640     }
641 
642     /* Net */
643     for (i = 0; i < sc->macs_num; i++) {
644         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
645                                  &error_abort);
646         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "dma64", true,
647                                  &error_abort);
648         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
649             return;
650         }
651         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
652                         sc->memmap[ASPEED_DEV_ETH1 + i]);
653         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
654                            aspeed_soc_get_irq(s, ASPEED_DEV_ETH1 + i));
655 
656         object_property_set_link(OBJECT(&s->mii[i]), "nic",
657                                  OBJECT(&s->ftgmac100[i]), &error_abort);
658         if (!sysbus_realize(SYS_BUS_DEVICE(&s->mii[i]), errp)) {
659             return;
660         }
661 
662         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->mii[i]), 0,
663                         sc->memmap[ASPEED_DEV_MII1 + i]);
664     }
665 
666     /* Watch dog */
667     for (i = 0; i < sc->wdts_num; i++) {
668         AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
669         hwaddr wdt_offset = sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize;
670 
671         object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
672                                  &error_abort);
673         if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
674             return;
675         }
676         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, wdt_offset);
677     }
678 
679     /* SLI */
680     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sli), errp)) {
681         return;
682     }
683     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sli), 0, sc->memmap[ASPEED_DEV_SLI]);
684 
685     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sliio), errp)) {
686         return;
687     }
688     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sliio), 0,
689                     sc->memmap[ASPEED_DEV_SLIIO]);
690 
691     /* ADC */
692     if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
693         return;
694     }
695     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]);
696     sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
697                        aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
698 
699     /* I2C */
700     object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),
701                              &error_abort);
702     if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
703         return;
704     }
705     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]);
706     for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) {
707         /*
708          * The AST2700 I2C controller has one source INTC per bus.
709          *
710          * For AST2700 A0:
711          * I2C bus interrupts are connected to the OR gate from bit 0 to bit
712          * 15, and the OR gate output pin is connected to the input pin of
713          * GICINT130 of INTC (CPU Die). Then, the output pin is connected to
714          * the GIC.
715          *
716          * For AST2700 A1:
717          * I2C bus interrupts are connected to the OR gate from bit 0 to bit
718          * 15, and the OR gate output pin is connected to the input pin of
719          * GICINT194 of INTCIO (IO Die). Then, the output pin is connected
720          * to the INTC (CPU Die) input pin, and its output pin is connected
721          * to the GIC.
722          *
723          * I2C bus 0 is connected to the OR gate at bit 0.
724          * I2C bus 15 is connected to the OR gate at bit 15.
725          */
726         irq = aspeed_soc_ast2700_get_irq_index(s, ASPEED_DEV_I2C, i);
727         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
728     }
729 
730     /* GPIO */
731     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
732         return;
733     }
734     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->gpio), 0,
735                     sc->memmap[ASPEED_DEV_GPIO]);
736     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
737                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
738 
739     /* RTC */
740     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rtc), errp)) {
741         return;
742     }
743     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_DEV_RTC]);
744     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
745                        aspeed_soc_get_irq(s, ASPEED_DEV_RTC));
746 
747     /* SDHCI */
748     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
749         return;
750     }
751     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sdhci), 0,
752                     sc->memmap[ASPEED_DEV_SDHCI]);
753     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
754                        aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI));
755 
756     /* eMMC */
757     if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc), errp)) {
758         return;
759     }
760     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->emmc), 0,
761                     sc->memmap[ASPEED_DEV_EMMC]);
762     sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0,
763                        aspeed_soc_get_irq(s, ASPEED_DEV_EMMC));
764 
765     /* Timer */
766     object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
767                              &error_abort);
768     if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
769         return;
770     }
771     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->timerctrl), 0,
772                     sc->memmap[ASPEED_DEV_TIMER1]);
773     for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
774         irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i);
775         sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
776     }
777 
778     /* HACE */
779     object_property_set_link(OBJECT(&s->hace), "dram", OBJECT(s->dram_mr),
780                              &error_abort);
781     if (!sysbus_realize(SYS_BUS_DEVICE(&s->hace), errp)) {
782         return;
783     }
784     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->hace), 0,
785                     sc->memmap[ASPEED_DEV_HACE]);
786     sysbus_connect_irq(SYS_BUS_DEVICE(&s->hace), 0,
787                        aspeed_soc_get_irq(s, ASPEED_DEV_HACE));
788 
789     create_unimplemented_device("ast2700.dpmcu", 0x11000000, 0x40000);
790     create_unimplemented_device("ast2700.iomem0", 0x12000000, 0x01000000);
791     create_unimplemented_device("ast2700.iomem1", 0x14000000, 0x01000000);
792     create_unimplemented_device("ast2700.ltpi", 0x30000000, 0x1000000);
793     create_unimplemented_device("ast2700.io", 0x0, 0x4000000);
794 }
795 
796 static void aspeed_soc_ast2700a0_class_init(ObjectClass *oc, void *data)
797 {
798     static const char * const valid_cpu_types[] = {
799         ARM_CPU_TYPE_NAME("cortex-a35"),
800         NULL
801     };
802     DeviceClass *dc = DEVICE_CLASS(oc);
803     AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
804 
805     /* Reason: The Aspeed SoC can only be instantiated from a board */
806     dc->user_creatable = false;
807     dc->realize      = aspeed_soc_ast2700_realize;
808 
809     sc->valid_cpu_types = valid_cpu_types;
810     sc->silicon_rev  = AST2700_A0_SILICON_REV;
811     sc->sram_size    = 0x20000;
812     sc->spis_num     = 3;
813     sc->wdts_num     = 8;
814     sc->macs_num     = 1;
815     sc->uarts_num    = 13;
816     sc->num_cpus     = 4;
817     sc->uarts_base   = ASPEED_DEV_UART0;
818     sc->irqmap       = aspeed_soc_ast2700a0_irqmap;
819     sc->memmap       = aspeed_soc_ast2700_memmap;
820     sc->get_irq      = aspeed_soc_ast2700_get_irq;
821 }
822 
823 static const TypeInfo aspeed_soc_ast27x0_types[] = {
824     {
825         .name           = TYPE_ASPEED27X0_SOC,
826         .parent         = TYPE_ASPEED_SOC,
827         .instance_size  = sizeof(Aspeed27x0SoCState),
828         .abstract       = true,
829     }, {
830         .name           = "ast2700-a0",
831         .parent         = TYPE_ASPEED27X0_SOC,
832         .instance_init  = aspeed_soc_ast2700_init,
833         .class_init     = aspeed_soc_ast2700a0_class_init,
834     },
835 };
836 
837 DEFINE_TYPES(aspeed_soc_ast27x0_types)
838