xref: /openbmc/qemu/hw/arm/aspeed_ast2600.c (revision 19f4ed36)
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 "cpu.h"
13 #include "exec/address-spaces.h"
14 #include "hw/misc/unimp.h"
15 #include "hw/arm/aspeed_soc.h"
16 #include "hw/char/serial.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 "sysemu/sysemu.h"
22 
23 #define ASPEED_SOC_IOMEM_SIZE       0x00200000
24 
25 static const hwaddr aspeed_soc_ast2600_memmap[] = {
26     [ASPEED_DEV_SRAM]      = 0x10000000,
27     /* 0x16000000     0x17FFFFFF : AHB BUS do LPC Bus bridge */
28     [ASPEED_DEV_IOMEM]     = 0x1E600000,
29     [ASPEED_DEV_PWM]       = 0x1E610000,
30     [ASPEED_DEV_FMC]       = 0x1E620000,
31     [ASPEED_DEV_SPI1]      = 0x1E630000,
32     [ASPEED_DEV_SPI2]      = 0x1E641000,
33     [ASPEED_DEV_EHCI1]     = 0x1E6A1000,
34     [ASPEED_DEV_EHCI2]     = 0x1E6A3000,
35     [ASPEED_DEV_MII1]      = 0x1E650000,
36     [ASPEED_DEV_MII2]      = 0x1E650008,
37     [ASPEED_DEV_MII3]      = 0x1E650010,
38     [ASPEED_DEV_MII4]      = 0x1E650018,
39     [ASPEED_DEV_ETH1]      = 0x1E660000,
40     [ASPEED_DEV_ETH3]      = 0x1E670000,
41     [ASPEED_DEV_ETH2]      = 0x1E680000,
42     [ASPEED_DEV_ETH4]      = 0x1E690000,
43     [ASPEED_DEV_VIC]       = 0x1E6C0000,
44     [ASPEED_DEV_SDMC]      = 0x1E6E0000,
45     [ASPEED_DEV_SCU]       = 0x1E6E2000,
46     [ASPEED_DEV_XDMA]      = 0x1E6E7000,
47     [ASPEED_DEV_ADC]       = 0x1E6E9000,
48     [ASPEED_DEV_VIDEO]     = 0x1E700000,
49     [ASPEED_DEV_SDHCI]     = 0x1E740000,
50     [ASPEED_DEV_EMMC]      = 0x1E750000,
51     [ASPEED_DEV_GPIO]      = 0x1E780000,
52     [ASPEED_DEV_GPIO_1_8V] = 0x1E780800,
53     [ASPEED_DEV_RTC]       = 0x1E781000,
54     [ASPEED_DEV_TIMER1]    = 0x1E782000,
55     [ASPEED_DEV_WDT]       = 0x1E785000,
56     [ASPEED_DEV_LPC]       = 0x1E789000,
57     [ASPEED_DEV_IBT]       = 0x1E789140,
58     [ASPEED_DEV_I2C]       = 0x1E78A000,
59     [ASPEED_DEV_UART1]     = 0x1E783000,
60     [ASPEED_DEV_UART5]     = 0x1E784000,
61     [ASPEED_DEV_VUART]     = 0x1E787000,
62     [ASPEED_DEV_SDRAM]     = 0x80000000,
63 };
64 
65 #define ASPEED_A7MPCORE_ADDR 0x40460000
66 
67 #define AST2600_MAX_IRQ 197
68 
69 /* Shared Peripheral Interrupt values below are offset by -32 from datasheet */
70 static const int aspeed_soc_ast2600_irqmap[] = {
71     [ASPEED_DEV_UART1]     = 47,
72     [ASPEED_DEV_UART2]     = 48,
73     [ASPEED_DEV_UART3]     = 49,
74     [ASPEED_DEV_UART4]     = 50,
75     [ASPEED_DEV_UART5]     = 8,
76     [ASPEED_DEV_VUART]     = 8,
77     [ASPEED_DEV_FMC]       = 39,
78     [ASPEED_DEV_SDMC]      = 0,
79     [ASPEED_DEV_SCU]       = 12,
80     [ASPEED_DEV_ADC]       = 78,
81     [ASPEED_DEV_XDMA]      = 6,
82     [ASPEED_DEV_SDHCI]     = 43,
83     [ASPEED_DEV_EHCI1]     = 5,
84     [ASPEED_DEV_EHCI2]     = 9,
85     [ASPEED_DEV_EMMC]      = 15,
86     [ASPEED_DEV_GPIO]      = 40,
87     [ASPEED_DEV_GPIO_1_8V] = 11,
88     [ASPEED_DEV_RTC]       = 13,
89     [ASPEED_DEV_TIMER1]    = 16,
90     [ASPEED_DEV_TIMER2]    = 17,
91     [ASPEED_DEV_TIMER3]    = 18,
92     [ASPEED_DEV_TIMER4]    = 19,
93     [ASPEED_DEV_TIMER5]    = 20,
94     [ASPEED_DEV_TIMER6]    = 21,
95     [ASPEED_DEV_TIMER7]    = 22,
96     [ASPEED_DEV_TIMER8]    = 23,
97     [ASPEED_DEV_WDT]       = 24,
98     [ASPEED_DEV_PWM]       = 44,
99     [ASPEED_DEV_LPC]       = 35,
100     [ASPEED_DEV_IBT]       = 143,
101     [ASPEED_DEV_I2C]       = 110,   /* 110 -> 125 */
102     [ASPEED_DEV_ETH1]      = 2,
103     [ASPEED_DEV_ETH2]      = 3,
104     [ASPEED_DEV_ETH3]      = 32,
105     [ASPEED_DEV_ETH4]      = 33,
106     [ASPEED_DEV_KCS]       = 138,   /* 138 -> 142 */
107 };
108 
109 static qemu_irq aspeed_soc_get_irq(AspeedSoCState *s, int ctrl)
110 {
111     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
112 
113     return qdev_get_gpio_in(DEVICE(&s->a7mpcore), sc->irqmap[ctrl]);
114 }
115 
116 static void aspeed_soc_ast2600_init(Object *obj)
117 {
118     AspeedSoCState *s = ASPEED_SOC(obj);
119     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
120     int i;
121     char socname[8];
122     char typename[64];
123 
124     if (sscanf(sc->name, "%7s", socname) != 1) {
125         g_assert_not_reached();
126     }
127 
128     for (i = 0; i < sc->num_cpus; i++) {
129         object_initialize_child(obj, "cpu[*]", &s->cpu[i], sc->cpu_type);
130     }
131 
132     snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname);
133     object_initialize_child(obj, "scu", &s->scu, typename);
134     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
135                          sc->silicon_rev);
136     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
137                               "hw-strap1");
138     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
139                               "hw-strap2");
140     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
141                               "hw-prot-key");
142 
143     object_initialize_child(obj, "a7mpcore", &s->a7mpcore,
144                             TYPE_A15MPCORE_PRIV);
145 
146     object_initialize_child(obj, "rtc", &s->rtc, TYPE_ASPEED_RTC);
147 
148     snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
149     object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
150 
151     snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
152     object_initialize_child(obj, "i2c", &s->i2c, typename);
153 
154     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
155     object_initialize_child(obj, "fmc", &s->fmc, typename);
156     object_property_add_alias(obj, "num-cs", OBJECT(&s->fmc), "num-cs");
157 
158     for (i = 0; i < sc->spis_num; i++) {
159         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
160         object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
161     }
162 
163     for (i = 0; i < sc->ehcis_num; i++) {
164         object_initialize_child(obj, "ehci[*]", &s->ehci[i],
165                                 TYPE_PLATFORM_EHCI);
166     }
167 
168     snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
169     object_initialize_child(obj, "sdmc", &s->sdmc, typename);
170     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
171                               "ram-size");
172     object_property_add_alias(obj, "max-ram-size", OBJECT(&s->sdmc),
173                               "max-ram-size");
174 
175     for (i = 0; i < sc->wdts_num; i++) {
176         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
177         object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
178     }
179 
180     for (i = 0; i < sc->macs_num; i++) {
181         object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
182                                 TYPE_FTGMAC100);
183 
184         object_initialize_child(obj, "mii[*]", &s->mii[i], TYPE_ASPEED_MII);
185     }
186 
187     object_initialize_child(obj, "xdma", &s->xdma, TYPE_ASPEED_XDMA);
188 
189     snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
190     object_initialize_child(obj, "gpio", &s->gpio, typename);
191 
192     snprintf(typename, sizeof(typename), "aspeed.gpio-%s-1_8v", socname);
193     object_initialize_child(obj, "gpio_1_8v", &s->gpio_1_8v, typename);
194 
195     object_initialize_child(obj, "sd-controller", &s->sdhci,
196                             TYPE_ASPEED_SDHCI);
197 
198     object_property_set_int(OBJECT(&s->sdhci), "num-slots", 2, &error_abort);
199 
200     /* Init sd card slot class here so that they're under the correct parent */
201     for (i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) {
202         object_initialize_child(obj, "sd-controller.sdhci[*]",
203                                 &s->sdhci.slots[i], TYPE_SYSBUS_SDHCI);
204     }
205 
206     object_initialize_child(obj, "emmc-controller", &s->emmc,
207                             TYPE_ASPEED_SDHCI);
208 
209     object_property_set_int(OBJECT(&s->emmc), "num-slots", 1, &error_abort);
210 
211     object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0],
212                             TYPE_SYSBUS_SDHCI);
213 
214     object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC);
215 }
216 
217 /*
218  * ASPEED ast2600 has 0xf as cluster ID
219  *
220  * https://developer.arm.com/documentation/ddi0388/e/the-system-control-coprocessors/summary-of-system-control-coprocessor-registers/multiprocessor-affinity-register
221  */
222 static uint64_t aspeed_calc_affinity(int cpu)
223 {
224     return (0xf << ARM_AFF1_SHIFT) | cpu;
225 }
226 
227 static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
228 {
229     int i;
230     AspeedSoCState *s = ASPEED_SOC(dev);
231     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
232     Error *err = NULL;
233     qemu_irq irq;
234 
235     /* IO space */
236     create_unimplemented_device("aspeed_soc.io", sc->memmap[ASPEED_DEV_IOMEM],
237                                 ASPEED_SOC_IOMEM_SIZE);
238 
239     /* Video engine stub */
240     create_unimplemented_device("aspeed.video", sc->memmap[ASPEED_DEV_VIDEO],
241                                 0x1000);
242 
243     /* CPU */
244     for (i = 0; i < sc->num_cpus; i++) {
245         if (sc->num_cpus > 1) {
246             object_property_set_int(OBJECT(&s->cpu[i]), "reset-cbar",
247                                     ASPEED_A7MPCORE_ADDR, &error_abort);
248         }
249         object_property_set_int(OBJECT(&s->cpu[i]), "mp-affinity",
250                                 aspeed_calc_affinity(i), &error_abort);
251 
252         object_property_set_int(OBJECT(&s->cpu[i]), "cntfrq", 1125000000,
253                                 &error_abort);
254 
255         if (!qdev_realize(DEVICE(&s->cpu[i]), NULL, errp)) {
256             return;
257         }
258     }
259 
260     /* A7MPCORE */
261     object_property_set_int(OBJECT(&s->a7mpcore), "num-cpu", sc->num_cpus,
262                             &error_abort);
263     object_property_set_int(OBJECT(&s->a7mpcore), "num-irq",
264                             ROUND_UP(AST2600_MAX_IRQ + GIC_INTERNAL, 32),
265                             &error_abort);
266 
267     sysbus_realize(SYS_BUS_DEVICE(&s->a7mpcore), &error_abort);
268     sysbus_mmio_map(SYS_BUS_DEVICE(&s->a7mpcore), 0, ASPEED_A7MPCORE_ADDR);
269 
270     for (i = 0; i < sc->num_cpus; i++) {
271         SysBusDevice *sbd = SYS_BUS_DEVICE(&s->a7mpcore);
272         DeviceState  *d   = DEVICE(qemu_get_cpu(i));
273 
274         irq = qdev_get_gpio_in(d, ARM_CPU_IRQ);
275         sysbus_connect_irq(sbd, i, irq);
276         irq = qdev_get_gpio_in(d, ARM_CPU_FIQ);
277         sysbus_connect_irq(sbd, i + sc->num_cpus, irq);
278         irq = qdev_get_gpio_in(d, ARM_CPU_VIRQ);
279         sysbus_connect_irq(sbd, i + 2 * sc->num_cpus, irq);
280         irq = qdev_get_gpio_in(d, ARM_CPU_VFIQ);
281         sysbus_connect_irq(sbd, i + 3 * sc->num_cpus, irq);
282     }
283 
284     /* SRAM */
285     memory_region_init_ram(&s->sram, OBJECT(dev), "aspeed.sram",
286                            sc->sram_size, &err);
287     if (err) {
288         error_propagate(errp, err);
289         return;
290     }
291     memory_region_add_subregion(get_system_memory(),
292                                 sc->memmap[ASPEED_DEV_SRAM], &s->sram);
293 
294     /* SCU */
295     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
296         return;
297     }
298     sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
299 
300     /* RTC */
301     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rtc), errp)) {
302         return;
303     }
304     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_DEV_RTC]);
305     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
306                        aspeed_soc_get_irq(s, ASPEED_DEV_RTC));
307 
308     /* Timer */
309     object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
310                              &error_abort);
311     if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
312         return;
313     }
314     sysbus_mmio_map(SYS_BUS_DEVICE(&s->timerctrl), 0,
315                     sc->memmap[ASPEED_DEV_TIMER1]);
316     for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
317         qemu_irq irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i);
318         sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
319     }
320 
321     /* UART - attach an 8250 to the IO space as our UART5 */
322     serial_mm_init(get_system_memory(), sc->memmap[ASPEED_DEV_UART5], 2,
323                    aspeed_soc_get_irq(s, ASPEED_DEV_UART5),
324                    38400, serial_hd(0), DEVICE_LITTLE_ENDIAN);
325 
326     /* I2C */
327     object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),
328                              &error_abort);
329     if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
330         return;
331     }
332     sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]);
333     for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) {
334         qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->a7mpcore),
335                                         sc->irqmap[ASPEED_DEV_I2C] + i);
336         /*
337          * The AST2600 SoC has one IRQ per I2C bus. Skip the common
338          * IRQ (AST2400 and AST2500) and connect all bussses.
339          */
340         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c), i + 1, irq);
341     }
342 
343     /* FMC, The number of CS is set at the board level */
344     object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(s->dram_mr),
345                              &error_abort);
346     if (!object_property_set_int(OBJECT(&s->fmc), "sdram-base",
347                                  sc->memmap[ASPEED_DEV_SDRAM], errp)) {
348         return;
349     }
350     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
351         return;
352     }
353     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
354     sysbus_mmio_map(SYS_BUS_DEVICE(&s->fmc), 1,
355                     s->fmc.ctrl->flash_window_base);
356     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
357                        aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
358 
359     /* SPI */
360     for (i = 0; i < sc->spis_num; i++) {
361         object_property_set_link(OBJECT(&s->spi[i]), "dram",
362                                  OBJECT(s->dram_mr), &error_abort);
363         object_property_set_int(OBJECT(&s->spi[i]), "num-cs", 1, &error_abort);
364         if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
365             return;
366         }
367         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 0,
368                         sc->memmap[ASPEED_DEV_SPI1 + i]);
369         sysbus_mmio_map(SYS_BUS_DEVICE(&s->spi[i]), 1,
370                         s->spi[i].ctrl->flash_window_base);
371     }
372 
373     /* EHCI */
374     for (i = 0; i < sc->ehcis_num; i++) {
375         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), errp)) {
376             return;
377         }
378         sysbus_mmio_map(SYS_BUS_DEVICE(&s->ehci[i]), 0,
379                         sc->memmap[ASPEED_DEV_EHCI1 + i]);
380         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
381                            aspeed_soc_get_irq(s, ASPEED_DEV_EHCI1 + i));
382     }
383 
384     /* SDMC - SDRAM Memory Controller */
385     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdmc), errp)) {
386         return;
387     }
388     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdmc), 0, sc->memmap[ASPEED_DEV_SDMC]);
389 
390     /* Watch dog */
391     for (i = 0; i < sc->wdts_num; i++) {
392         AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
393 
394         object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
395                                  &error_abort);
396         if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
397             return;
398         }
399         sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt[i]), 0,
400                         sc->memmap[ASPEED_DEV_WDT] + i * awc->offset);
401     }
402 
403     /* Net */
404     for (i = 0; i < sc->macs_num; i++) {
405         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
406                                  &error_abort);
407         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
408             return;
409         }
410         sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
411                         sc->memmap[ASPEED_DEV_ETH1 + i]);
412         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
413                            aspeed_soc_get_irq(s, ASPEED_DEV_ETH1 + i));
414 
415         object_property_set_link(OBJECT(&s->mii[i]), "nic",
416                                  OBJECT(&s->ftgmac100[i]), &error_abort);
417         if (!sysbus_realize(SYS_BUS_DEVICE(&s->mii[i]), errp)) {
418             return;
419         }
420 
421         sysbus_mmio_map(SYS_BUS_DEVICE(&s->mii[i]), 0,
422                         sc->memmap[ASPEED_DEV_MII1 + i]);
423     }
424 
425     /* XDMA */
426     if (!sysbus_realize(SYS_BUS_DEVICE(&s->xdma), errp)) {
427         return;
428     }
429     sysbus_mmio_map(SYS_BUS_DEVICE(&s->xdma), 0,
430                     sc->memmap[ASPEED_DEV_XDMA]);
431     sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0,
432                        aspeed_soc_get_irq(s, ASPEED_DEV_XDMA));
433 
434     /* GPIO */
435     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
436         return;
437     }
438     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio), 0, sc->memmap[ASPEED_DEV_GPIO]);
439     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
440                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
441 
442     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio_1_8v), errp)) {
443         return;
444     }
445     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
446                     sc->memmap[ASPEED_DEV_GPIO_1_8V]);
447     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
448                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO_1_8V));
449 
450     /* SDHCI */
451     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
452         return;
453     }
454     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sdhci), 0,
455                     sc->memmap[ASPEED_DEV_SDHCI]);
456     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
457                        aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI));
458 
459     /* eMMC */
460     if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc), errp)) {
461         return;
462     }
463     sysbus_mmio_map(SYS_BUS_DEVICE(&s->emmc), 0, sc->memmap[ASPEED_DEV_EMMC]);
464     sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0,
465                        aspeed_soc_get_irq(s, ASPEED_DEV_EMMC));
466 
467     /* LPC */
468     if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) {
469         return;
470     }
471     sysbus_mmio_map(SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]);
472 
473     /* Connect the LPC IRQ to the GIC. It is otherwise unused. */
474     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0,
475                        aspeed_soc_get_irq(s, ASPEED_DEV_LPC));
476 
477     /*
478      * On the AST2600 LPC subdevice IRQs are connected straight to the GIC.
479      *
480      * LPC subdevice IRQ sources are offset from 1 because the LPC model caters
481      * to the AST2400 and AST2500. SoCs before the AST2600 have one LPC IRQ
482      * shared across the subdevices, and the shared IRQ output to the VIC is at
483      * offset 0.
484      */
485     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_1,
486                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
487                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_1));
488 
489     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_2,
490                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
491                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_2));
492 
493     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_3,
494                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
495                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_3));
496 
497     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_4,
498                        qdev_get_gpio_in(DEVICE(&s->a7mpcore),
499                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_4));
500 }
501 
502 static void aspeed_soc_ast2600_class_init(ObjectClass *oc, void *data)
503 {
504     DeviceClass *dc = DEVICE_CLASS(oc);
505     AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
506 
507     dc->realize      = aspeed_soc_ast2600_realize;
508 
509     sc->name         = "ast2600-a1";
510     sc->cpu_type     = ARM_CPU_TYPE_NAME("cortex-a7");
511     sc->silicon_rev  = AST2600_A1_SILICON_REV;
512     sc->sram_size    = 0x16400;
513     sc->spis_num     = 2;
514     sc->ehcis_num    = 2;
515     sc->wdts_num     = 4;
516     sc->macs_num     = 4;
517     sc->irqmap       = aspeed_soc_ast2600_irqmap;
518     sc->memmap       = aspeed_soc_ast2600_memmap;
519     sc->num_cpus     = 2;
520 }
521 
522 static const TypeInfo aspeed_soc_ast2600_type_info = {
523     .name           = "ast2600-a1",
524     .parent         = TYPE_ASPEED_SOC,
525     .instance_size  = sizeof(AspeedSoCState),
526     .instance_init  = aspeed_soc_ast2600_init,
527     .class_init     = aspeed_soc_ast2600_class_init,
528     .class_size     = sizeof(AspeedSoCClass),
529 };
530 
531 static void aspeed_soc_register_types(void)
532 {
533     type_register_static(&aspeed_soc_ast2600_type_info);
534 };
535 
536 type_init(aspeed_soc_register_types)
537