xref: /qemu/hw/arm/aspeed_ast2600.c (revision 2068cabd3fb1f46dbdd8b24eeaded89a4c9d85e1)
1 /*
2  * ASPEED SoC 2600 family
3  *
4  * Copyright (c) 2016-2019, IBM Corporation.
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 
10 #include "qemu/osdep.h"
11 #include "qapi/error.h"
12 #include "exec/address-spaces.h"
13 #include "hw/misc/unimp.h"
14 #include "hw/arm/aspeed_soc.h"
15 #include "hw/char/serial.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 
22 #define ASPEED_SOC_IOMEM_SIZE       0x00200000
23 
24 static const hwaddr aspeed_soc_ast2600_memmap[] = {
25     [ASPEED_DEV_SRAM]      = 0x10000000,
26     /* 0x16000000     0x17FFFFFF : AHB BUS do LPC Bus bridge */
27     [ASPEED_DEV_IOMEM]     = 0x1E600000,
28     [ASPEED_DEV_PWM]       = 0x1E610000,
29     [ASPEED_DEV_FMC]       = 0x1E620000,
30     [ASPEED_DEV_SPI1]      = 0x1E630000,
31     [ASPEED_DEV_SPI2]      = 0x1E641000,
32     [ASPEED_DEV_EHCI1]     = 0x1E6A1000,
33     [ASPEED_DEV_EHCI2]     = 0x1E6A3000,
34     [ASPEED_DEV_MII1]      = 0x1E650000,
35     [ASPEED_DEV_MII2]      = 0x1E650008,
36     [ASPEED_DEV_MII3]      = 0x1E650010,
37     [ASPEED_DEV_MII4]      = 0x1E650018,
38     [ASPEED_DEV_ETH1]      = 0x1E660000,
39     [ASPEED_DEV_ETH3]      = 0x1E670000,
40     [ASPEED_DEV_ETH2]      = 0x1E680000,
41     [ASPEED_DEV_ETH4]      = 0x1E690000,
42     [ASPEED_DEV_VIC]       = 0x1E6C0000,
43     [ASPEED_DEV_SDMC]      = 0x1E6E0000,
44     [ASPEED_DEV_SCU]       = 0x1E6E2000,
45     [ASPEED_DEV_XDMA]      = 0x1E6E7000,
46     [ASPEED_DEV_ADC]       = 0x1E6E9000,
47     [ASPEED_DEV_VIDEO]     = 0x1E700000,
48     [ASPEED_DEV_SDHCI]     = 0x1E740000,
49     [ASPEED_DEV_EMMC]      = 0x1E750000,
50     [ASPEED_DEV_GPIO]      = 0x1E780000,
51     [ASPEED_DEV_GPIO_1_8V] = 0x1E780800,
52     [ASPEED_DEV_RTC]       = 0x1E781000,
53     [ASPEED_DEV_TIMER1]    = 0x1E782000,
54     [ASPEED_DEV_WDT]       = 0x1E785000,
55     [ASPEED_DEV_LPC]       = 0x1E789000,
56     [ASPEED_DEV_IBT]       = 0x1E789140,
57     [ASPEED_DEV_I2C]       = 0x1E78A000,
58     [ASPEED_DEV_UART1]     = 0x1E783000,
59     [ASPEED_DEV_UART5]     = 0x1E784000,
60     [ASPEED_DEV_VUART]     = 0x1E787000,
61     [ASPEED_DEV_SDRAM]     = 0x80000000,
62 };
63 
64 #define ASPEED_A7MPCORE_ADDR 0x40460000
65 
66 #define AST2600_MAX_IRQ 197
67 
68 /* Shared Peripheral Interrupt values below are offset by -32 from datasheet */
69 static const int aspeed_soc_ast2600_irqmap[] = {
70     [ASPEED_DEV_UART1]     = 47,
71     [ASPEED_DEV_UART2]     = 48,
72     [ASPEED_DEV_UART3]     = 49,
73     [ASPEED_DEV_UART4]     = 50,
74     [ASPEED_DEV_UART5]     = 8,
75     [ASPEED_DEV_VUART]     = 8,
76     [ASPEED_DEV_FMC]       = 39,
77     [ASPEED_DEV_SDMC]      = 0,
78     [ASPEED_DEV_SCU]       = 12,
79     [ASPEED_DEV_ADC]       = 78,
80     [ASPEED_DEV_XDMA]      = 6,
81     [ASPEED_DEV_SDHCI]     = 43,
82     [ASPEED_DEV_EHCI1]     = 5,
83     [ASPEED_DEV_EHCI2]     = 9,
84     [ASPEED_DEV_EMMC]      = 15,
85     [ASPEED_DEV_GPIO]      = 40,
86     [ASPEED_DEV_GPIO_1_8V] = 11,
87     [ASPEED_DEV_RTC]       = 13,
88     [ASPEED_DEV_TIMER1]    = 16,
89     [ASPEED_DEV_TIMER2]    = 17,
90     [ASPEED_DEV_TIMER3]    = 18,
91     [ASPEED_DEV_TIMER4]    = 19,
92     [ASPEED_DEV_TIMER5]    = 20,
93     [ASPEED_DEV_TIMER6]    = 21,
94     [ASPEED_DEV_TIMER7]    = 22,
95     [ASPEED_DEV_TIMER8]    = 23,
96     [ASPEED_DEV_WDT]       = 24,
97     [ASPEED_DEV_PWM]       = 44,
98     [ASPEED_DEV_LPC]       = 35,
99     [ASPEED_DEV_IBT]       = 143,
100     [ASPEED_DEV_I2C]       = 110,   /* 110 -> 125 */
101     [ASPEED_DEV_ETH1]      = 2,
102     [ASPEED_DEV_ETH2]      = 3,
103     [ASPEED_DEV_ETH3]      = 32,
104     [ASPEED_DEV_ETH4]      = 33,
105     [ASPEED_DEV_KCS]       = 138,   /* 138 -> 142 */
106 };
107 
108 static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl)
109 {
110     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
111 
112     return qdev_get_gpio_in(DEVICE(&s->a7mpcore), sc->irqmap[ctrl]);
113 }
114 
115 static void aspeed_soc_ast2600_init(Object *obj)
116 {
117     AspeedSoCState *s = ASPEED_SOC(obj);
118     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
119     int i;
120     char socname[8];
121     char typename[64];
122 
123     if (sscanf(sc->name, "%7s", socname) != 1) {
124         g_assert_not_reached();
125     }
126 
127     for (i = 0; i < sc->num_cpus; i++) {
128         object_initialize_child(obj, "cpu[*]", &s->cpu[i], sc->cpu_type);
129     }
130 
131     snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname);
132     object_initialize_child(obj, "scu", &s->scu, typename);
133     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
134                          sc->silicon_rev);
135     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
136                               "hw-strap1");
137     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
138                               "hw-strap2");
139     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
140                               "hw-prot-key");
141 
142     object_initialize_child(obj, "a7mpcore", &s->a7mpcore,
143                             TYPE_A15MPCORE_PRIV);
144 
145     object_initialize_child(obj, "rtc", &s->rtc, TYPE_ASPEED_RTC);
146 
147     snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
148     object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
149 
150     snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
151     object_initialize_child(obj, "i2c", &s->i2c, typename);
152 
153     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
154     object_initialize_child(obj, "fmc", &s->fmc, typename);
155     object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs");
156 
157     for (i = 0; i < sc->spis_num; i++) {
158         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
159         object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
160     }
161 
162     for (i = 0; i < sc->ehcis_num; i++) {
163         object_initialize_child(obj, "ehci[*]", &s->ehci[i],
164                                 TYPE_PLATFORM_EHCI);
165     }
166 
167     snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
168     object_initialize_child(obj, "sdmc", &s->sdmc, typename);
169     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
170                               "ram-size");
171     object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc),
172                               "max-ram-size");
173 
174     for (i = 0; i < sc->wdts_num; i++) {
175         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
176         object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
177     }
178 
179     for (i = 0; i < sc->macs_num; i++) {
180         object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
181                                 TYPE_FTGMAC100);
182 
183         object_initialize_child(obj, "mii[*]", &s->mii[i], TYPE_ASPEED_MII);
184     }
185 
186     object_initialize_child(obj, "xdma", &s->xdma, TYPE_ASPEED_XDMA);
187 
188     snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
189     object_initialize_child(obj, "gpio", &s->gpio, typename);
190 
191     snprintf(typename, sizeof(typename), "aspeed.gpio-%s-1_8v", socname);
192     object_initialize_child(obj, "gpio_1_8v", &s->gpio_1_8v, typename);
193 
194     object_initialize_child(obj, "sd-controller", &s->sdhci,
195                             TYPE_ASPEED_SDHCI);
196 
197     object_property_set_int(OBJECT(&s->sdhci), "num-slots", 2, &error_abort);
198 
199     /* Init sd card slot class here so that they're under the correct parent */
200     for (i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) {
201         object_initialize_child(obj, "sd-controller.sdhci[*]",
202                                 &s->sdhci.slots[i], TYPE_SYSBUS_SDHCI);
203     }
204 
205     object_initialize_child(obj, "emmc-controller", &s->emmc,
206                             TYPE_ASPEED_SDHCI);
207 
208     object_property_set_int(OBJECT(&s->emmc), "num-slots", 1, &error_abort);
209 
210     object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0],
211                             TYPE_SYSBUS_SDHCI);
212 
213     object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC);
214 }
215 
216 /*
217  * ASPEED ast2600 has 0xf as cluster ID
218  *
219  * https://developer.arm.com/documentation/ddi0388/e/the-system-control-coprocessors/summary-of-system-control-coprocessor-registers/multiprocessor-affinity-register
220  */
221 static uint64_t aspeed_calc_affinity(int cpu)
222 {
223     return (0xf << ARM_AFF1_SHIFT) | cpu;
224 }
225 
226 static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
227 {
228     int i;
229     AspeedSoCState *s = ASPEED_SOC(dev);
230     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
231     Error *err = NULL;
232     qemu_irq irq;
233 
234     /* IO space */
235     create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_DEV_IOMEM],
236                                 ASPEED_SOC_IOMEM_SIZE);
237 
238     /* Video engine stub */
239     create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_DEV_VIDEO],
240                                 0x1000);
241 
242     /* CPU */
243     for (i = 0; i < sc->num_cpus; i++) {
244         if (sc->num_cpus > 1) {
245             object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
246                                     ASPEED_A7MPCORE_ADDR, &error_abort);
247         }
248         object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
249                                 aspeed_calc_affinity(i), &error_abort);
250 
251         object_property_set_int(OBJECT(&s->cpu[i]), "cntfrq", 1125000000,
252                                 &error_abort);
253 
254         if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
255             return;
256         }
257     }
258 
259     /* A7MPCORE */
260     object_property_set_int(OBJECT(&s->a7mpcore), "num-cpu", sc->num_cpus,
261                             &error_abort);
262     object_property_set_int(OBJECT(&s->a7mpcore), "num-irq",
263                             ROUND_UP(AST2600_MAX_IRQ + GIC_INTERNAL, 32),
264                             &error_abort);
265 
266     sysbus_realize(SYS_BUS_DEVICE(&s->a7mpcore), &error_abort);
267     sysbus_mmio_map(SYS_BUS_DEVICE(&s->a7mpcore), 0, ASPEED_A7MPCORE_ADDR);
268 
269     for (i = 0; i < sc->num_cpus; i++) {
270         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->a7mpcore);
271         DeviceState  *d   = DEVICE(qemu_get_cpu(i));
272 
273         irq = qdev_get_gpio_in(d, ARM_CPU_IRQ);
274         sysbus_connect_irq(sbd, i, irq);
275         irq = qdev_get_gpio_in(d, ARM_CPU_FIQ);
276         sysbus_connect_irq(sbd, i + sc->num_cpus, irq);
277         irq = qdev_get_gpio_in(d, ARM_CPU_VIRQ);
278         sysbus_connect_irq(sbd, i + 2 * sc->num_cpus, irq);
279         irq = qdev_get_gpio_in(d, ARM_CPU_VFIQ);
280         sysbus_connect_irq(sbd, i + 3 * sc->num_cpus, irq);
281     }
282 
283     /* SRAM */
284     memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram",
285                            sc->sram_size, &err);
286     if (err) {
287         error_propagate(errp, err);
288         return;
289     }
290     memory_region_add_subregion(get_system_memory(),
291                                 sc->memmap[ASPEED_DEV_SRAM], &s->sram);
292 
293     /* SCU */
294     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
295         return;
296     }
297     sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
298 
299     /* RTC */
300     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rtc), errp)) {
301         return;
302     }
303     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_DEV_RTC]);
304     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
305                        aspeed_soc_get_irq(s, ASPEED_DEV_RTC));
306 
307     /* Timer */
308     object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
309                              &error_abort);
310     if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
311         return;
312     }
313     sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0,
314                     sc->memmap[ASPEED_DEV_TIMER1]);
315     for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
316         qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i);
317         sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
318     }
319 
320     /* UART - attach an 8250 to the IO space as our UART5 */
321     serial_mm_init(get_system_memory(), sc->memmap[ASPEED_DEV_UART5], 2,
322                    aspeed_soc_get_irq(s, ASPEED_DEV_UART5),
323                    38400, serial_hd(0), DEVICE_LITTLE_ENDIAN);
324 
325     /* I2C */
326     object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),
327                              &error_abort);
328     if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
329         return;
330     }
331     sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]);
332     for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) {
333         qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->a7mpcore),
334                                         sc->irqmap[ASPEED_DEV_I2C] + i);
335         /*
336          * The AST2600 SoC has one IRQ per I2C bus. Skip the common
337          * IRQ (AST2400 and AST2500) and connect all bussses.
338          */
339         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), i + 1, irq);
340     }
341 
342     /* FMC, The number of CS is set at the board level */
343     object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(s->dram_mr),
344                              &error_abort);
345     if (!object_property_set_int(OBJECT(&s->fmc), "sdram-base",
346                                  sc->memmap[ASPEED_DEV_SDRAM], errp)) {
347         return;
348     }
349     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
350         return;
351     }
352     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
353     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1,
354                     s->fmc.ctrl->flash_window_base);
355     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
356                        aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
357 
358     /* SPI */
359     for (i = 0; i < sc->spis_num; i++) {
360         object_property_set_link(OBJECT(&s->spi[i]), "dram",
361                                  OBJECT(s->dram_mr), &error_abort);
362         object_property_set_int(OBJECT(&s->spi[i]), "num-cs", 1, &error_abort);
363         if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
364             return;
365         }
366         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0,
367                         sc->memmap[ASPEED_DEV_SPI1 + i]);
368         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1,
369                         s->spi[i].ctrl->flash_window_base);
370     }
371 
372     /* EHCI */
373     for (i = 0; i < sc->ehcis_num; i++) {
374         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), errp)) {
375             return;
376         }
377         sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
378                         sc->memmap[ASPEED_DEV_EHCI1 + i]);
379         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
380                            aspeed_soc_get_irq(s, ASPEED_DEV_EHCI1 + i));
381     }
382 
383     /* SDMC - SDRAM Memory Controller */
384     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdmc), errp)) {
385         return;
386     }
387     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, sc->memmap[ASPEED_DEV_SDMC]);
388 
389     /* Watch dog */
390     for (i = 0; i < sc->wdts_num; i++) {
391         AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
392 
393         object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
394                                  &error_abort);
395         if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
396             return;
397         }
398         sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
399                         sc->memmap[ASPEED_DEV_WDT] + i * awc->offset);
400     }
401 
402     /* Net */
403     for (i = 0; i < sc->macs_num; i++) {
404         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
405                                  &error_abort);
406         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
407             return;
408         }
409         sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
410                         sc->memmap[ASPEED_DEV_ETH1 + i]);
411         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
412                            aspeed_soc_get_irq(s, ASPEED_DEV_ETH1 + i));
413 
414         object_property_set_link(OBJECT(&s->mii[i]), "nic",
415                                  OBJECT(&s->ftgmac100[i]), &error_abort);
416         if (!sysbus_realize(SYS_BUS_DEVICE(&s->mii[i]), errp)) {
417             return;
418         }
419 
420         sysbus_mmio_map(SYS_BUS_DEVICE(&s->mii[i]), 0,
421                         sc->memmap[ASPEED_DEV_MII1 + i]);
422     }
423 
424     /* XDMA */
425     if (!sysbus_realize(SYS_BUS_DEVICE(&s->xdma), errp)) {
426         return;
427     }
428     sysbus_mmio_map(SYS_BUS_DEVICE(&s->xdma), 0,
429                     sc->memmap[ASPEED_DEV_XDMA]);
430     sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0,
431                        aspeed_soc_get_irq(s, ASPEED_DEV_XDMA));
432 
433     /* GPIO */
434     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
435         return;
436     }
437     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->memmap[ASPEED_DEV_GPIO]);
438     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
439                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
440 
441     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio_1_8v), errp)) {
442         return;
443     }
444     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
445                     sc->memmap[ASPEED_DEV_GPIO_1_8V]);
446     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
447                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO_1_8V));
448 
449     /* SDHCI */
450     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
451         return;
452     }
453     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0,
454                     sc->memmap[ASPEED_DEV_SDHCI]);
455     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
456                        aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI));
457 
458     /* eMMC */
459     if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc), errp)) {
460         return;
461     }
462     sysbus_mmio_map(SYS_BUS_DEVICE(&s->emmc), 0, sc->memmap[ASPEED_DEV_EMMC]);
463     sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0,
464                        aspeed_soc_get_irq(s, ASPEED_DEV_EMMC));
465 
466     /* LPC */
467     if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) {
468         return;
469     }
470     sysbus_mmio_map(SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]);
471 
472     /* Connect the LPC IRQ to the GIC. It is otherwise unused. */
473     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0,
474                        aspeed_soc_get_irq(s, ASPEED_DEV_LPC));
475 
476     /*
477      * On the AST2600 LPC subdevice IRQs are connected straight to the GIC.
478      *
479      * LPC subdevice IRQ sources are offset from 1 because the LPC model caters
480      * to the AST2400 and AST2500. SoCs before the AST2600 have one LPC IRQ
481      * shared across the subdevices, and the shared IRQ output to the VIC is at
482      * offset 0.
483      */
484     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_1,
485                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
486                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_1));
487 
488     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_2,
489                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
490                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_2));
491 
492     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_3,
493                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
494                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_3));
495 
496     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_4,
497                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
498                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_4));
499 }
500 
501 static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)
502 {
503     DeviceClass *dc = DEVICE_CLASS(oc);
504     AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
505 
506     dc->realize      = aspeed_soc_ast2600_realize;
507 
508     sc->name         = "ast2600-a1";
509     sc->cpu_type     = ARM_CPU_TYPE_NAME("cortex-a7");
510     sc->silicon_rev  = AST2600_A1_SILICON_REV;
511     sc->sram_size    = 0x16400;
512     sc->spis_num     = 2;
513     sc->ehcis_num    = 2;
514     sc->wdts_num     = 4;
515     sc->macs_num     = 4;
516     sc->irqmap       = aspeed_soc_ast2600_irqmap;
517     sc->memmap       = aspeed_soc_ast2600_memmap;
518     sc->num_cpus     = 2;
519 }
520 
521 static const TypeInfo aspeed_soc_ast2600_type_info = {
522     .name           = "ast2600-a1",
523     .parent         = TYPE_ASPEED_SOC,
524     .instance_size  = sizeof(AspeedSoCState),
525     .instance_init  = aspeed_soc_ast2600_init,
526     .class_init     = aspeed_soc_ast2600_class_init,
527     .class_size     = sizeof(AspeedSoCClass),
528 };
529 
530 static void aspeed_soc_register_types(void)
531 {
532     type_register_static(&aspeed_soc_ast2600_type_info);
533 };
534 
535 type_init(aspeed_soc_register_types)
536