xref: /openbmc/qemu/hw/arm/aspeed_ast2600.c (revision c4fa97c7f216fc80b09a5d32be847ff8d502cba6)
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 "hw/misc/unimp.h"
13 #include "hw/arm/aspeed_soc.h"
14 #include "qemu/module.h"
15 #include "qemu/error-report.h"
16 #include "hw/i2c/aspeed_i2c.h"
17 #include "net/net.h"
18 #include "system/system.h"
19 #include "target/arm/cpu-qom.h"
20 
21 #define ASPEED_SOC_IOMEM_SIZE       0x00200000
22 #define ASPEED_SOC_DPMCU_SIZE       0x00040000
23 
24 static const hwaddr aspeed_soc_ast2600_memmap[] = {
25     [ASPEED_DEV_SPI_BOOT]  = 0x00000000,
26     [ASPEED_DEV_SRAM]      = 0x10000000,
27     [ASPEED_DEV_DPMCU]     = 0x18000000,
28     /* 0x16000000     0x17FFFFFF : AHB BUS do LPC Bus bridge */
29     [ASPEED_DEV_IOMEM]     = 0x1E600000,
30     [ASPEED_DEV_PWM]       = 0x1E610000,
31     [ASPEED_DEV_FMC]       = 0x1E620000,
32     [ASPEED_DEV_SPI1]      = 0x1E630000,
33     [ASPEED_DEV_SPI2]      = 0x1E631000,
34     [ASPEED_DEV_EHCI1]     = 0x1E6A1000,
35     [ASPEED_DEV_EHCI2]     = 0x1E6A3000,
36     [ASPEED_DEV_MII1]      = 0x1E650000,
37     [ASPEED_DEV_MII2]      = 0x1E650008,
38     [ASPEED_DEV_MII3]      = 0x1E650010,
39     [ASPEED_DEV_MII4]      = 0x1E650018,
40     [ASPEED_DEV_ETH1]      = 0x1E660000,
41     [ASPEED_DEV_ETH3]      = 0x1E670000,
42     [ASPEED_DEV_ETH2]      = 0x1E680000,
43     [ASPEED_DEV_ETH4]      = 0x1E690000,
44     [ASPEED_DEV_VIC]       = 0x1E6C0000,
45     [ASPEED_DEV_HACE]      = 0x1E6D0000,
46     [ASPEED_DEV_SDMC]      = 0x1E6E0000,
47     [ASPEED_DEV_SCU]       = 0x1E6E2000,
48     [ASPEED_DEV_XDMA]      = 0x1E6E7000,
49     [ASPEED_DEV_ADC]       = 0x1E6E9000,
50     [ASPEED_DEV_DP]        = 0x1E6EB000,
51     [ASPEED_DEV_PCIE_PHY1] = 0x1E6ED200,
52     [ASPEED_DEV_SBC]       = 0x1E6F2000,
53     [ASPEED_DEV_EMMC_BC]   = 0x1E6f5000,
54     [ASPEED_DEV_VIDEO]     = 0x1E700000,
55     [ASPEED_DEV_SDHCI]     = 0x1E740000,
56     [ASPEED_DEV_EMMC]      = 0x1E750000,
57     [ASPEED_DEV_PCIE0]     = 0x1E770000,
58     [ASPEED_DEV_GPIO]      = 0x1E780000,
59     [ASPEED_DEV_GPIO_1_8V] = 0x1E780800,
60     [ASPEED_DEV_RTC]       = 0x1E781000,
61     [ASPEED_DEV_TIMER1]    = 0x1E782000,
62     [ASPEED_DEV_WDT]       = 0x1E785000,
63     [ASPEED_DEV_LPC]       = 0x1E789000,
64     [ASPEED_DEV_IBT]       = 0x1E789140,
65     [ASPEED_DEV_I2C]       = 0x1E78A000,
66     [ASPEED_DEV_PECI]      = 0x1E78B000,
67     [ASPEED_DEV_UART1]     = 0x1E783000,
68     [ASPEED_DEV_UART2]     = 0x1E78D000,
69     [ASPEED_DEV_UART3]     = 0x1E78E000,
70     [ASPEED_DEV_UART4]     = 0x1E78F000,
71     [ASPEED_DEV_UART5]     = 0x1E784000,
72     [ASPEED_DEV_UART6]     = 0x1E790000,
73     [ASPEED_DEV_UART7]     = 0x1E790100,
74     [ASPEED_DEV_UART8]     = 0x1E790200,
75     [ASPEED_DEV_UART9]     = 0x1E790300,
76     [ASPEED_DEV_UART10]    = 0x1E790400,
77     [ASPEED_DEV_UART11]    = 0x1E790500,
78     [ASPEED_DEV_UART12]    = 0x1E790600,
79     [ASPEED_DEV_UART13]    = 0x1E790700,
80     [ASPEED_DEV_VUART]     = 0x1E787000,
81     [ASPEED_DEV_FSI1]      = 0x1E79B000,
82     [ASPEED_DEV_FSI2]      = 0x1E79B100,
83     [ASPEED_DEV_I3C]       = 0x1E7A0000,
84     [ASPEED_DEV_PCIE_MMIO1] = 0x70000000,
85     [ASPEED_DEV_SDRAM]     = 0x80000000,
86 };
87 
88 #define ASPEED_A7MPCORE_ADDR 0x40460000
89 
90 #define AST2600_MAX_IRQ 197
91 
92 /* Shared Peripheral Interrupt values below are offset by -32 from datasheet */
93 static const int aspeed_soc_ast2600_irqmap[] = {
94     [ASPEED_DEV_UART1]     = 47,
95     [ASPEED_DEV_UART2]     = 48,
96     [ASPEED_DEV_UART3]     = 49,
97     [ASPEED_DEV_UART4]     = 50,
98     [ASPEED_DEV_UART5]     = 8,
99     [ASPEED_DEV_UART6]     = 57,
100     [ASPEED_DEV_UART7]     = 58,
101     [ASPEED_DEV_UART8]     = 59,
102     [ASPEED_DEV_UART9]     = 60,
103     [ASPEED_DEV_UART10]    = 61,
104     [ASPEED_DEV_UART11]    = 62,
105     [ASPEED_DEV_UART12]    = 63,
106     [ASPEED_DEV_UART13]    = 64,
107     [ASPEED_DEV_VUART]     = 8,
108     [ASPEED_DEV_FMC]       = 39,
109     [ASPEED_DEV_SDMC]      = 0,
110     [ASPEED_DEV_SCU]       = 12,
111     [ASPEED_DEV_ADC]       = 78,
112     [ASPEED_DEV_XDMA]      = 6,
113     [ASPEED_DEV_SDHCI]     = 43,
114     [ASPEED_DEV_EHCI1]     = 5,
115     [ASPEED_DEV_EHCI2]     = 9,
116     [ASPEED_DEV_EMMC]      = 15,
117     [ASPEED_DEV_GPIO]      = 40,
118     [ASPEED_DEV_GPIO_1_8V] = 11,
119     [ASPEED_DEV_RTC]       = 13,
120     [ASPEED_DEV_TIMER1]    = 16,
121     [ASPEED_DEV_TIMER2]    = 17,
122     [ASPEED_DEV_TIMER3]    = 18,
123     [ASPEED_DEV_TIMER4]    = 19,
124     [ASPEED_DEV_TIMER5]    = 20,
125     [ASPEED_DEV_TIMER6]    = 21,
126     [ASPEED_DEV_TIMER7]    = 22,
127     [ASPEED_DEV_TIMER8]    = 23,
128     [ASPEED_DEV_WDT]       = 24,
129     [ASPEED_DEV_PWM]       = 44,
130     [ASPEED_DEV_LPC]       = 35,
131     [ASPEED_DEV_IBT]       = 143,
132     [ASPEED_DEV_I2C]       = 110,   /* 110 -> 125 */
133     [ASPEED_DEV_PCIE0]     = 168,
134     [ASPEED_DEV_PECI]      = 38,
135     [ASPEED_DEV_ETH1]      = 2,
136     [ASPEED_DEV_ETH2]      = 3,
137     [ASPEED_DEV_HACE]      = 4,
138     [ASPEED_DEV_ETH3]      = 32,
139     [ASPEED_DEV_ETH4]      = 33,
140     [ASPEED_DEV_KCS]       = 138,   /* 138 -> 142 */
141     [ASPEED_DEV_DP]        = 62,
142     [ASPEED_DEV_FSI1]      = 100,
143     [ASPEED_DEV_FSI2]      = 101,
144     [ASPEED_DEV_I3C]       = 102,   /* 102 -> 107 */
145 };
146 
147 static qemu_irq aspeed_soc_ast2600_get_irq(AspeedSoCState *s, int dev)
148 {
149     Aspeed2600SoCState *a = ASPEED2600_SOC(s);
150     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
151 
152     return qdev_get_gpio_in(DEVICE(&a->a7mpcore), sc->irqmap[dev]);
153 }
154 
155 static void aspeed_soc_ast2600_init(Object *obj)
156 {
157     Aspeed2600SoCState *a = ASPEED2600_SOC(obj);
158     AspeedSoCState *s = ASPEED_SOC(obj);
159     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
160     int i;
161     char socname[8];
162     char typename[64];
163 
164     if (sscanf(object_get_typename(obj), "%7s", socname) != 1) {
165         g_assert_not_reached();
166     }
167 
168     for (i = 0; i < sc->num_cpus; i++) {
169         object_initialize_child(obj, "cpu[*]", &a->cpu[i],
170                                 aspeed_soc_cpu_type(sc));
171     }
172 
173     snprintf(typename, sizeof(typename), "aspeed.scu-%s", socname);
174     object_initialize_child(obj, "scu", &s->scu, typename);
175     qdev_prop_set_uint32(DEVICE(&s->scu), "silicon-rev",
176                          sc->silicon_rev);
177     object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu),
178                               "hw-strap1");
179     object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu),
180                               "hw-strap2");
181     object_property_add_alias(obj, "hw-prot-key", OBJECT(&s->scu),
182                               "hw-prot-key");
183 
184     object_initialize_child(obj, "a7mpcore", &a->a7mpcore,
185                             TYPE_A15MPCORE_PRIV);
186 
187     object_initialize_child(obj, "rtc", &s->rtc, TYPE_ASPEED_RTC);
188 
189     snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname);
190     object_initialize_child(obj, "timerctrl", &s->timerctrl, typename);
191 
192     snprintf(typename, sizeof(typename), "aspeed.adc-%s", socname);
193     object_initialize_child(obj, "adc", &s->adc, typename);
194 
195     snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname);
196     object_initialize_child(obj, "i2c", &s->i2c, typename);
197 
198     object_initialize_child(obj, "pcie-cfg", &s->pcie[0], TYPE_ASPEED_PCIE_CFG);
199     object_initialize_child(obj, "pcie-phy[*]", &s->pcie_phy[0],
200                             TYPE_ASPEED_PCIE_PHY);
201 
202     object_initialize_child(obj, "peci", &s->peci, TYPE_ASPEED_PECI);
203 
204     snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname);
205     object_initialize_child(obj, "fmc", &s->fmc, typename);
206 
207     for (i = 0; i < sc->spis_num; i++) {
208         snprintf(typename, sizeof(typename), "aspeed.spi%d-%s", i + 1, socname);
209         object_initialize_child(obj, "spi[*]", &s->spi[i], typename);
210     }
211 
212     for (i = 0; i < sc->ehcis_num; i++) {
213         object_initialize_child(obj, "ehci[*]", &s->ehci[i],
214                                 TYPE_PLATFORM_EHCI);
215     }
216 
217     snprintf(typename, sizeof(typename), "aspeed.sdmc-%s", socname);
218     object_initialize_child(obj, "sdmc", &s->sdmc, typename);
219     object_property_add_alias(obj, "ram-size", OBJECT(&s->sdmc),
220                               "ram-size");
221 
222     for (i = 0; i < sc->wdts_num; i++) {
223         snprintf(typename, sizeof(typename), "aspeed.wdt-%s", socname);
224         object_initialize_child(obj, "wdt[*]", &s->wdt[i], typename);
225     }
226 
227     for (i = 0; i < sc->macs_num; i++) {
228         object_initialize_child(obj, "ftgmac100[*]", &s->ftgmac100[i],
229                                 TYPE_FTGMAC100);
230 
231         object_initialize_child(obj, "mii[*]", &s->mii[i], TYPE_ASPEED_MII);
232     }
233 
234     for (i = 0; i < sc->uarts_num; i++) {
235         object_initialize_child(obj, "uart[*]", &s->uart[i], TYPE_SERIAL_MM);
236     }
237 
238     snprintf(typename, sizeof(typename), TYPE_ASPEED_XDMA "-%s", socname);
239     object_initialize_child(obj, "xdma", &s->xdma, typename);
240 
241     snprintf(typename, sizeof(typename), "aspeed.gpio-%s", socname);
242     object_initialize_child(obj, "gpio", &s->gpio, typename);
243 
244     snprintf(typename, sizeof(typename), "aspeed.gpio-%s-1_8v", socname);
245     object_initialize_child(obj, "gpio_1_8v", &s->gpio_1_8v, typename);
246 
247     snprintf(typename, sizeof(typename), "aspeed.sdhci-%s", socname);
248     object_initialize_child(obj, "sd-controller", &s->sdhci, typename);
249 
250     object_property_set_int(OBJECT(&s->sdhci), "num-slots", 2, &error_abort);
251 
252     /* Init sd card slot class here so that they're under the correct parent */
253     for (i = 0; i < ASPEED_SDHCI_NUM_SLOTS; ++i) {
254         object_initialize_child(obj, "sd-controller.sdhci[*]",
255                                 &s->sdhci.slots[i], TYPE_SYSBUS_SDHCI);
256     }
257 
258     object_initialize_child(obj, "emmc-controller", &s->emmc, typename);
259 
260     object_property_set_int(OBJECT(&s->emmc), "num-slots", 1, &error_abort);
261 
262     object_initialize_child(obj, "emmc-controller.sdhci", &s->emmc.slots[0],
263                             TYPE_SYSBUS_SDHCI);
264 
265     object_initialize_child(obj, "lpc", &s->lpc, TYPE_ASPEED_LPC);
266 
267     snprintf(typename, sizeof(typename), "aspeed.hace-%s", socname);
268     object_initialize_child(obj, "hace", &s->hace, typename);
269 
270     object_initialize_child(obj, "i3c", &s->i3c, TYPE_ASPEED_I3C);
271 
272     object_initialize_child(obj, "sbc", &s->sbc, TYPE_ASPEED_AST2600_SBC);
273 
274     object_initialize_child(obj, "iomem", &s->iomem, TYPE_UNIMPLEMENTED_DEVICE);
275     object_initialize_child(obj, "video", &s->video, TYPE_UNIMPLEMENTED_DEVICE);
276     object_initialize_child(obj, "dpmcu", &s->dpmcu, TYPE_UNIMPLEMENTED_DEVICE);
277     object_initialize_child(obj, "emmc-boot-controller",
278                             &s->emmc_boot_controller,
279                             TYPE_UNIMPLEMENTED_DEVICE);
280 
281     for (i = 0; i < ASPEED_FSI_NUM; i++) {
282         object_initialize_child(obj, "fsi[*]", &s->fsi[i], TYPE_ASPEED_APB2OPB);
283     }
284 }
285 
286 /*
287  * ASPEED ast2600 has 0xf as cluster ID
288  *
289  * https://developer.arm.com/documentation/ddi0388/e/the-system-control-coprocessors/summary-of-system-control-coprocessor-registers/multiprocessor-affinity-register
290  */
291 static uint64_t aspeed_calc_affinity(int cpu)
292 {
293     return (0xf << ARM_AFF1_SHIFT) | cpu;
294 }
295 
296 static void aspeed_soc_ast2600_realize(DeviceState *dev, Error **errp)
297 {
298     int i;
299     Aspeed2600SoCState *a = ASPEED2600_SOC(dev);
300     AspeedSoCState *s = ASPEED_SOC(dev);
301     AspeedSoCClass *sc = ASPEED_SOC_GET_CLASS(s);
302     qemu_irq irq;
303     g_autofree char *name = NULL;
304     MemoryRegion *mmio_alias;
305     MemoryRegion *mmio_mr;
306 
307     /* Default boot region (SPI memory or ROMs) */
308     memory_region_init(&s->spi_boot_container, OBJECT(s),
309                        "aspeed.spi_boot_container", 0x10000000);
310     memory_region_add_subregion(s->memory, sc->memmap[ASPEED_DEV_SPI_BOOT],
311                                 &s->spi_boot_container);
312 
313     /* IO space */
314     aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->iomem), "aspeed.io",
315                                   sc->memmap[ASPEED_DEV_IOMEM],
316                                   ASPEED_SOC_IOMEM_SIZE);
317 
318     /* Video engine stub */
319     aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->video), "aspeed.video",
320                                   sc->memmap[ASPEED_DEV_VIDEO], 0x1000);
321 
322     /* eMMC Boot Controller stub */
323     aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->emmc_boot_controller),
324                                   "aspeed.emmc-boot-controller",
325                                   sc->memmap[ASPEED_DEV_EMMC_BC], 0x1000);
326 
327     /* CPU */
328     for (i = 0; i < sc->num_cpus; i++) {
329         if (sc->num_cpus > 1) {
330             object_property_set_int(OBJECT(&a->cpu[i]), "reset-cbar",
331                                     ASPEED_A7MPCORE_ADDR, &error_abort);
332         }
333         object_property_set_int(OBJECT(&a->cpu[i]), "mp-affinity",
334                                 aspeed_calc_affinity(i), &error_abort);
335 
336         object_property_set_int(OBJECT(&a->cpu[i]), "cntfrq", 1125000000,
337                                 &error_abort);
338         object_property_set_bool(OBJECT(&a->cpu[i]), "neon", false,
339                                 &error_abort);
340         object_property_set_bool(OBJECT(&a->cpu[i]), "vfp-d32", false,
341                                 &error_abort);
342         object_property_set_link(OBJECT(&a->cpu[i]), "memory",
343                                  OBJECT(s->memory), &error_abort);
344 
345         if (!qdev_realize(DEVICE(&a->cpu[i]), NULL, errp)) {
346             return;
347         }
348     }
349 
350     /* A7MPCORE */
351     object_property_set_int(OBJECT(&a->a7mpcore), "num-cpu", sc->num_cpus,
352                             &error_abort);
353     object_property_set_int(OBJECT(&a->a7mpcore), "num-irq",
354                             ROUND_UP(AST2600_MAX_IRQ + GIC_INTERNAL, 32),
355                             &error_abort);
356 
357     sysbus_realize(SYS_BUS_DEVICE(&a->a7mpcore), &error_abort);
358     aspeed_mmio_map(s, SYS_BUS_DEVICE(&a->a7mpcore), 0, ASPEED_A7MPCORE_ADDR);
359 
360     for (i = 0; i < sc->num_cpus; i++) {
361         SysBusDevice *sbd = SYS_BUS_DEVICE(&a->a7mpcore);
362         DeviceState  *d   = DEVICE(&a->cpu[i]);
363 
364         irq = qdev_get_gpio_in(d, ARM_CPU_IRQ);
365         sysbus_connect_irq(sbd, i, irq);
366         irq = qdev_get_gpio_in(d, ARM_CPU_FIQ);
367         sysbus_connect_irq(sbd, i + sc->num_cpus, irq);
368         irq = qdev_get_gpio_in(d, ARM_CPU_VIRQ);
369         sysbus_connect_irq(sbd, i + 2 * sc->num_cpus, irq);
370         irq = qdev_get_gpio_in(d, ARM_CPU_VFIQ);
371         sysbus_connect_irq(sbd, i + 3 * sc->num_cpus, irq);
372     }
373 
374     /* SRAM */
375     name = g_strdup_printf("aspeed.sram.%d", CPU(&a->cpu[0])->cpu_index);
376     if (!memory_region_init_ram(&s->sram, OBJECT(s), name, sc->sram_size,
377                                 errp)) {
378         return;
379     }
380     memory_region_add_subregion(s->memory,
381                                 sc->memmap[ASPEED_DEV_SRAM], &s->sram);
382 
383     /* DPMCU */
384     aspeed_mmio_map_unimplemented(s, SYS_BUS_DEVICE(&s->dpmcu), "aspeed.dpmcu",
385                                   sc->memmap[ASPEED_DEV_DPMCU],
386                                   ASPEED_SOC_DPMCU_SIZE);
387 
388     /* SCU */
389     if (!sysbus_realize(SYS_BUS_DEVICE(&s->scu), errp)) {
390         return;
391     }
392     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]);
393 
394     /* RTC */
395     if (!sysbus_realize(SYS_BUS_DEVICE(&s->rtc), errp)) {
396         return;
397     }
398     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->rtc), 0, sc->memmap[ASPEED_DEV_RTC]);
399     sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0,
400                        aspeed_soc_get_irq(s, ASPEED_DEV_RTC));
401 
402     /* Timer */
403     object_property_set_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu),
404                              &error_abort);
405     if (!sysbus_realize(SYS_BUS_DEVICE(&s->timerctrl), errp)) {
406         return;
407     }
408     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->timerctrl), 0,
409                     sc->memmap[ASPEED_DEV_TIMER1]);
410     for (i = 0; i < ASPEED_TIMER_NR_TIMERS; i++) {
411         irq = aspeed_soc_get_irq(s, ASPEED_DEV_TIMER1 + i);
412         sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq);
413     }
414 
415     /* ADC */
416     if (!sysbus_realize(SYS_BUS_DEVICE(&s->adc), errp)) {
417         return;
418     }
419     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->adc), 0, sc->memmap[ASPEED_DEV_ADC]);
420     sysbus_connect_irq(SYS_BUS_DEVICE(&s->adc), 0,
421                        aspeed_soc_get_irq(s, ASPEED_DEV_ADC));
422 
423     /* UART */
424     if (!aspeed_soc_uart_realize(s, errp)) {
425         return;
426     }
427 
428     /* I2C */
429     object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(s->dram_mr),
430                              &error_abort);
431     if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) {
432         return;
433     }
434     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]);
435     for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) {
436         irq = qdev_get_gpio_in(DEVICE(&a->a7mpcore),
437                                sc->irqmap[ASPEED_DEV_I2C] + i);
438         /* The AST2600 I2C controller has one IRQ per bus. */
439         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq);
440     }
441 
442     /* PECI */
443     if (!sysbus_realize(SYS_BUS_DEVICE(&s->peci), errp)) {
444         return;
445     }
446     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->peci), 0,
447                     sc->memmap[ASPEED_DEV_PECI]);
448     sysbus_connect_irq(SYS_BUS_DEVICE(&s->peci), 0,
449                        aspeed_soc_get_irq(s, ASPEED_DEV_PECI));
450 
451     /*
452      * PCIe Root Complex (RC)
453      *
454      * H2X register space (single block 0x00-0xFF):
455      *   0x00-0x7F : shared by RC_L (PCIe0) and RC_H (PCIe1)
456      *   0x80-0xBF : RC_L only
457      *   0xC0-0xFF : RC_H only
458      *
459      * Model scope / limitations:
460      *   - Firmware supports RC_H only; this QEMU model does not support RC_L.
461      *   - RC_H uses PHY1 and the MMIO window [0x70000000, 0x80000000]
462      *     (aka MMIO1).
463      *
464      * Indexing convention (this model):
465      *   - Expose a single logical instance at index 0.
466      *   - pcie[0] -> hardware RC_H (PCIe1)
467      *   - phy[0]  -> hardware PHY1
468      *   - mmio.0 -> guest address range MMIO1: 0x70000000-0x80000000
469      *   - RC_L / PCIe0 is not created and mapped.
470      */
471     if (!sysbus_realize(SYS_BUS_DEVICE(&s->pcie_phy[0]), errp)) {
472         return;
473     }
474     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->pcie_phy[0]), 0,
475                     sc->memmap[ASPEED_DEV_PCIE_PHY1]);
476 
477     object_property_set_int(OBJECT(&s->pcie[0]), "dram-base",
478                             sc->memmap[ASPEED_DEV_SDRAM],
479                             &error_abort);
480     object_property_set_link(OBJECT(&s->pcie[0]), "dram", OBJECT(s->dram_mr),
481                              &error_abort);
482     if (!sysbus_realize(SYS_BUS_DEVICE(&s->pcie[0]), errp)) {
483         return;
484     }
485     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->pcie[0]), 0,
486                     sc->memmap[ASPEED_DEV_PCIE0]);
487 
488     irq = qdev_get_gpio_in(DEVICE(&a->a7mpcore),
489                            sc->irqmap[ASPEED_DEV_PCIE0]);
490     sysbus_connect_irq(SYS_BUS_DEVICE(&s->pcie[0].rc), 0, irq);
491 
492     name = g_strdup_printf("aspeed.pcie-mmio.0");
493 
494     mmio_alias = g_new0(MemoryRegion, 1);
495     mmio_mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->pcie[0].rc), 1);
496 
497     memory_region_init_alias(mmio_alias, OBJECT(&s->pcie[0].rc), name,
498                              mmio_mr, sc->memmap[ASPEED_DEV_PCIE_MMIO1],
499                              0x10000000);
500     memory_region_add_subregion(s->memory,
501                                 sc->memmap[ASPEED_DEV_PCIE_MMIO1],
502                                 mmio_alias);
503 
504     /* FMC, The number of CS is set at the board level */
505     object_property_set_link(OBJECT(&s->fmc), "dram", OBJECT(s->dram_mr),
506                              &error_abort);
507     if (!sysbus_realize(SYS_BUS_DEVICE(&s->fmc), errp)) {
508         return;
509     }
510     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 0, sc->memmap[ASPEED_DEV_FMC]);
511     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fmc), 1,
512                     ASPEED_SMC_GET_CLASS(&s->fmc)->flash_window_base);
513     sysbus_connect_irq(SYS_BUS_DEVICE(&s->fmc), 0,
514                        aspeed_soc_get_irq(s, ASPEED_DEV_FMC));
515 
516     /* Set up an alias on the FMC CE0 region (boot default) */
517     MemoryRegion *fmc0_mmio = &s->fmc.flashes[0].mmio;
518     memory_region_init_alias(&s->spi_boot, OBJECT(s), "aspeed.spi_boot",
519                              fmc0_mmio, 0, memory_region_size(fmc0_mmio));
520     memory_region_add_subregion(&s->spi_boot_container, 0x0, &s->spi_boot);
521 
522     /* SPI */
523     for (i = 0; i < sc->spis_num; i++) {
524         object_property_set_link(OBJECT(&s->spi[i]), "dram",
525                                  OBJECT(s->dram_mr), &error_abort);
526         if (!sysbus_realize(SYS_BUS_DEVICE(&s->spi[i]), errp)) {
527             return;
528         }
529         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 0,
530                         sc->memmap[ASPEED_DEV_SPI1 + i]);
531         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->spi[i]), 1,
532                         ASPEED_SMC_GET_CLASS(&s->spi[i])->flash_window_base);
533     }
534 
535     /* EHCI */
536     for (i = 0; i < sc->ehcis_num; i++) {
537         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ehci[i]), errp)) {
538             return;
539         }
540         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->ehci[i]), 0,
541                         sc->memmap[ASPEED_DEV_EHCI1 + i]);
542         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ehci[i]), 0,
543                            aspeed_soc_get_irq(s, ASPEED_DEV_EHCI1 + i));
544     }
545 
546     /* SDMC - SDRAM Memory Controller */
547     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdmc), errp)) {
548         return;
549     }
550     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sdmc), 0,
551                     sc->memmap[ASPEED_DEV_SDMC]);
552 
553     /* Watch dog */
554     for (i = 0; i < sc->wdts_num; i++) {
555         AspeedWDTClass *awc = ASPEED_WDT_GET_CLASS(&s->wdt[i]);
556         hwaddr wdt_offset = sc->memmap[ASPEED_DEV_WDT] + i * awc->iosize;
557 
558         object_property_set_link(OBJECT(&s->wdt[i]), "scu", OBJECT(&s->scu),
559                                  &error_abort);
560         if (!sysbus_realize(SYS_BUS_DEVICE(&s->wdt[i]), errp)) {
561             return;
562         }
563         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->wdt[i]), 0, wdt_offset);
564     }
565 
566     /* RAM */
567     if (!aspeed_soc_dram_init(s, errp)) {
568         return;
569     }
570 
571     /* Net */
572     for (i = 0; i < sc->macs_num; i++) {
573         object_property_set_bool(OBJECT(&s->ftgmac100[i]), "aspeed", true,
574                                  &error_abort);
575         if (!sysbus_realize(SYS_BUS_DEVICE(&s->ftgmac100[i]), errp)) {
576             return;
577         }
578         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
579                         sc->memmap[ASPEED_DEV_ETH1 + i]);
580         sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100[i]), 0,
581                            aspeed_soc_get_irq(s, ASPEED_DEV_ETH1 + i));
582 
583         object_property_set_link(OBJECT(&s->mii[i]), "nic",
584                                  OBJECT(&s->ftgmac100[i]), &error_abort);
585         if (!sysbus_realize(SYS_BUS_DEVICE(&s->mii[i]), errp)) {
586             return;
587         }
588 
589         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->mii[i]), 0,
590                         sc->memmap[ASPEED_DEV_MII1 + i]);
591     }
592 
593     /* XDMA */
594     if (!sysbus_realize(SYS_BUS_DEVICE(&s->xdma), errp)) {
595         return;
596     }
597     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->xdma), 0,
598                     sc->memmap[ASPEED_DEV_XDMA]);
599     sysbus_connect_irq(SYS_BUS_DEVICE(&s->xdma), 0,
600                        aspeed_soc_get_irq(s, ASPEED_DEV_XDMA));
601 
602     /* GPIO */
603     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio), errp)) {
604         return;
605     }
606     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->gpio), 0,
607                     sc->memmap[ASPEED_DEV_GPIO]);
608     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio), 0,
609                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO));
610 
611     if (!sysbus_realize(SYS_BUS_DEVICE(&s->gpio_1_8v), errp)) {
612         return;
613     }
614     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
615                     sc->memmap[ASPEED_DEV_GPIO_1_8V]);
616     sysbus_connect_irq(SYS_BUS_DEVICE(&s->gpio_1_8v), 0,
617                        aspeed_soc_get_irq(s, ASPEED_DEV_GPIO_1_8V));
618 
619     /* SDHCI */
620     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sdhci), errp)) {
621         return;
622     }
623     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sdhci), 0,
624                     sc->memmap[ASPEED_DEV_SDHCI]);
625     sysbus_connect_irq(SYS_BUS_DEVICE(&s->sdhci), 0,
626                        aspeed_soc_get_irq(s, ASPEED_DEV_SDHCI));
627 
628     /* eMMC */
629     if (!sysbus_realize(SYS_BUS_DEVICE(&s->emmc), errp)) {
630         return;
631     }
632     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->emmc), 0,
633                     sc->memmap[ASPEED_DEV_EMMC]);
634     sysbus_connect_irq(SYS_BUS_DEVICE(&s->emmc), 0,
635                        aspeed_soc_get_irq(s, ASPEED_DEV_EMMC));
636 
637     /* LPC */
638     if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) {
639         return;
640     }
641     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->lpc), 0, sc->memmap[ASPEED_DEV_LPC]);
642 
643     /* Connect the LPC IRQ to the GIC. It is otherwise unused. */
644     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 0,
645                        aspeed_soc_get_irq(s, ASPEED_DEV_LPC));
646 
647     /*
648      * On the AST2600 LPC subdevice IRQs are connected straight to the GIC.
649      *
650      * LPC subdevice IRQ sources are offset from 1 because the LPC model caters
651      * to the AST2400 and AST2500. SoCs before the AST2600 have one LPC IRQ
652      * shared across the subdevices, and the shared IRQ output to the VIC is at
653      * offset 0.
654      */
655     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_1,
656                        qdev_get_gpio_in(DEVICE(&a->a7mpcore),
657                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_1));
658 
659     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_2,
660                        qdev_get_gpio_in(DEVICE(&a->a7mpcore),
661                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_2));
662 
663     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_3,
664                        qdev_get_gpio_in(DEVICE(&a->a7mpcore),
665                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_3));
666 
667     sysbus_connect_irq(SYS_BUS_DEVICE(&s->lpc), 1 + aspeed_lpc_kcs_4,
668                        qdev_get_gpio_in(DEVICE(&a->a7mpcore),
669                                 sc->irqmap[ASPEED_DEV_KCS] + aspeed_lpc_kcs_4));
670 
671     /* HACE */
672     object_property_set_link(OBJECT(&s->hace), "dram", OBJECT(s->dram_mr),
673                              &error_abort);
674     if (!sysbus_realize(SYS_BUS_DEVICE(&s->hace), errp)) {
675         return;
676     }
677     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->hace), 0,
678                     sc->memmap[ASPEED_DEV_HACE]);
679     sysbus_connect_irq(SYS_BUS_DEVICE(&s->hace), 0,
680                        aspeed_soc_get_irq(s, ASPEED_DEV_HACE));
681 
682     /* I3C */
683     if (!sysbus_realize(SYS_BUS_DEVICE(&s->i3c), errp)) {
684         return;
685     }
686     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->i3c), 0, sc->memmap[ASPEED_DEV_I3C]);
687     for (i = 0; i < ASPEED_I3C_NR_DEVICES; i++) {
688         irq = qdev_get_gpio_in(DEVICE(&a->a7mpcore),
689                                sc->irqmap[ASPEED_DEV_I3C] + i);
690         /* The AST2600 I3C controller has one IRQ per bus. */
691         sysbus_connect_irq(SYS_BUS_DEVICE(&s->i3c.devices[i]), 0, irq);
692     }
693 
694     /* Secure Boot Controller */
695     if (!sysbus_realize(SYS_BUS_DEVICE(&s->sbc), errp)) {
696         return;
697     }
698     aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->sbc), 0, sc->memmap[ASPEED_DEV_SBC]);
699 
700     /* FSI */
701     for (i = 0; i < ASPEED_FSI_NUM; i++) {
702         if (!sysbus_realize(SYS_BUS_DEVICE(&s->fsi[i]), errp)) {
703             return;
704         }
705         aspeed_mmio_map(s, SYS_BUS_DEVICE(&s->fsi[i]), 0,
706                         sc->memmap[ASPEED_DEV_FSI1 + i]);
707         sysbus_connect_irq(SYS_BUS_DEVICE(&s->fsi[i]), 0,
708                            aspeed_soc_get_irq(s, ASPEED_DEV_FSI1 + i));
709     }
710 }
711 
712 static bool aspeed_soc_ast2600_boot_from_emmc(AspeedSoCState *s)
713 {
714     uint32_t hw_strap1 = object_property_get_uint(OBJECT(&s->scu),
715                                                   "hw-strap1", &error_abort);
716     return !!(hw_strap1 & SCU_AST2600_HW_STRAP_BOOT_SRC_EMMC);
717 }
718 
719 static void aspeed_soc_ast2600_class_init(ObjectClass *oc, const void *data)
720 {
721     static const char * const valid_cpu_types[] = {
722         ARM_CPU_TYPE_NAME("cortex-a7"),
723         NULL
724     };
725     DeviceClass *dc = DEVICE_CLASS(oc);
726     AspeedSoCClass *sc = ASPEED_SOC_CLASS(oc);
727 
728     dc->realize      = aspeed_soc_ast2600_realize;
729     /* Reason: The Aspeed SoC can only be instantiated from a board */
730     dc->user_creatable = false;
731 
732     sc->valid_cpu_types = valid_cpu_types;
733     sc->silicon_rev  = AST2600_A3_SILICON_REV;
734     sc->sram_size    = 0x16400;
735     sc->spis_num     = 2;
736     sc->ehcis_num    = 2;
737     sc->wdts_num     = 4;
738     sc->macs_num     = 4;
739     sc->uarts_num    = 13;
740     sc->uarts_base   = ASPEED_DEV_UART1;
741     sc->irqmap       = aspeed_soc_ast2600_irqmap;
742     sc->memmap       = aspeed_soc_ast2600_memmap;
743     sc->num_cpus     = 2;
744     sc->get_irq      = aspeed_soc_ast2600_get_irq;
745     sc->boot_from_emmc = aspeed_soc_ast2600_boot_from_emmc;
746 }
747 
748 static const TypeInfo aspeed_soc_ast2600_types[] = {
749     {
750         .name           = TYPE_ASPEED2600_SOC,
751         .parent         = TYPE_ASPEED_SOC,
752         .instance_size  = sizeof(Aspeed2600SoCState),
753         .abstract       = true,
754     }, {
755         .name           = "ast2600-a3",
756         .parent         = TYPE_ASPEED2600_SOC,
757         .instance_init  = aspeed_soc_ast2600_init,
758         .class_init     = aspeed_soc_ast2600_class_init,
759     },
760 };
761 
762 DEFINE_TYPES(aspeed_soc_ast2600_types)
763