xref: /openbmc/qemu/hw/arm/allwinner-h3.c (revision ed5abf46)
1 /*
2  * Allwinner H3 System on Chip emulation
3  *
4  * Copyright (C) 2019 Niek Linnenbank <nieklinnenbank@gmail.com>
5  *
6  * This program is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include "qemu/osdep.h"
21 #include "exec/address-spaces.h"
22 #include "qapi/error.h"
23 #include "qemu/error-report.h"
24 #include "qemu/module.h"
25 #include "qemu/units.h"
26 #include "hw/qdev-core.h"
27 #include "cpu.h"
28 #include "hw/sysbus.h"
29 #include "hw/char/serial.h"
30 #include "hw/misc/unimp.h"
31 #include "hw/usb/hcd-ehci.h"
32 #include "hw/loader.h"
33 #include "sysemu/sysemu.h"
34 #include "hw/arm/allwinner-h3.h"
35 
36 /* Memory map */
37 const hwaddr allwinner_h3_memmap[] = {
38     [AW_H3_SRAM_A1]    = 0x00000000,
39     [AW_H3_SRAM_A2]    = 0x00044000,
40     [AW_H3_SRAM_C]     = 0x00010000,
41     [AW_H3_SYSCTRL]    = 0x01c00000,
42     [AW_H3_MMC0]       = 0x01c0f000,
43     [AW_H3_SID]        = 0x01c14000,
44     [AW_H3_EHCI0]      = 0x01c1a000,
45     [AW_H3_OHCI0]      = 0x01c1a400,
46     [AW_H3_EHCI1]      = 0x01c1b000,
47     [AW_H3_OHCI1]      = 0x01c1b400,
48     [AW_H3_EHCI2]      = 0x01c1c000,
49     [AW_H3_OHCI2]      = 0x01c1c400,
50     [AW_H3_EHCI3]      = 0x01c1d000,
51     [AW_H3_OHCI3]      = 0x01c1d400,
52     [AW_H3_CCU]        = 0x01c20000,
53     [AW_H3_PIT]        = 0x01c20c00,
54     [AW_H3_UART0]      = 0x01c28000,
55     [AW_H3_UART1]      = 0x01c28400,
56     [AW_H3_UART2]      = 0x01c28800,
57     [AW_H3_UART3]      = 0x01c28c00,
58     [AW_H3_EMAC]       = 0x01c30000,
59     [AW_H3_DRAMCOM]    = 0x01c62000,
60     [AW_H3_DRAMCTL]    = 0x01c63000,
61     [AW_H3_DRAMPHY]    = 0x01c65000,
62     [AW_H3_GIC_DIST]   = 0x01c81000,
63     [AW_H3_GIC_CPU]    = 0x01c82000,
64     [AW_H3_GIC_HYP]    = 0x01c84000,
65     [AW_H3_GIC_VCPU]   = 0x01c86000,
66     [AW_H3_RTC]        = 0x01f00000,
67     [AW_H3_CPUCFG]     = 0x01f01c00,
68     [AW_H3_SDRAM]      = 0x40000000
69 };
70 
71 /* List of unimplemented devices */
72 struct AwH3Unimplemented {
73     const char *device_name;
74     hwaddr base;
75     hwaddr size;
76 } unimplemented[] = {
77     { "d-engine",  0x01000000, 4 * MiB },
78     { "d-inter",   0x01400000, 128 * KiB },
79     { "dma",       0x01c02000, 4 * KiB },
80     { "nfdc",      0x01c03000, 4 * KiB },
81     { "ts",        0x01c06000, 4 * KiB },
82     { "keymem",    0x01c0b000, 4 * KiB },
83     { "lcd0",      0x01c0c000, 4 * KiB },
84     { "lcd1",      0x01c0d000, 4 * KiB },
85     { "ve",        0x01c0e000, 4 * KiB },
86     { "mmc1",      0x01c10000, 4 * KiB },
87     { "mmc2",      0x01c11000, 4 * KiB },
88     { "crypto",    0x01c15000, 4 * KiB },
89     { "msgbox",    0x01c17000, 4 * KiB },
90     { "spinlock",  0x01c18000, 4 * KiB },
91     { "usb0-otg",  0x01c19000, 4 * KiB },
92     { "usb0-phy",  0x01c1a000, 4 * KiB },
93     { "usb1-phy",  0x01c1b000, 4 * KiB },
94     { "usb2-phy",  0x01c1c000, 4 * KiB },
95     { "usb3-phy",  0x01c1d000, 4 * KiB },
96     { "smc",       0x01c1e000, 4 * KiB },
97     { "pio",       0x01c20800, 1 * KiB },
98     { "owa",       0x01c21000, 1 * KiB },
99     { "pwm",       0x01c21400, 1 * KiB },
100     { "keyadc",    0x01c21800, 1 * KiB },
101     { "pcm0",      0x01c22000, 1 * KiB },
102     { "pcm1",      0x01c22400, 1 * KiB },
103     { "pcm2",      0x01c22800, 1 * KiB },
104     { "audio",     0x01c22c00, 2 * KiB },
105     { "smta",      0x01c23400, 1 * KiB },
106     { "ths",       0x01c25000, 1 * KiB },
107     { "uart0",     0x01c28000, 1 * KiB },
108     { "uart1",     0x01c28400, 1 * KiB },
109     { "uart2",     0x01c28800, 1 * KiB },
110     { "uart3",     0x01c28c00, 1 * KiB },
111     { "twi0",      0x01c2ac00, 1 * KiB },
112     { "twi1",      0x01c2b000, 1 * KiB },
113     { "twi2",      0x01c2b400, 1 * KiB },
114     { "scr",       0x01c2c400, 1 * KiB },
115     { "gpu",       0x01c40000, 64 * KiB },
116     { "hstmr",     0x01c60000, 4 * KiB },
117     { "spi0",      0x01c68000, 4 * KiB },
118     { "spi1",      0x01c69000, 4 * KiB },
119     { "csi",       0x01cb0000, 320 * KiB },
120     { "tve",       0x01e00000, 64 * KiB },
121     { "hdmi",      0x01ee0000, 128 * KiB },
122     { "r_timer",   0x01f00800, 1 * KiB },
123     { "r_intc",    0x01f00c00, 1 * KiB },
124     { "r_wdog",    0x01f01000, 1 * KiB },
125     { "r_prcm",    0x01f01400, 1 * KiB },
126     { "r_twd",     0x01f01800, 1 * KiB },
127     { "r_cir-rx",  0x01f02000, 1 * KiB },
128     { "r_twi",     0x01f02400, 1 * KiB },
129     { "r_uart",    0x01f02800, 1 * KiB },
130     { "r_pio",     0x01f02c00, 1 * KiB },
131     { "r_pwm",     0x01f03800, 1 * KiB },
132     { "core-dbg",  0x3f500000, 128 * KiB },
133     { "tsgen-ro",  0x3f506000, 4 * KiB },
134     { "tsgen-ctl", 0x3f507000, 4 * KiB },
135     { "ddr-mem",   0x40000000, 2 * GiB },
136     { "n-brom",    0xffff0000, 32 * KiB },
137     { "s-brom",    0xffff0000, 64 * KiB }
138 };
139 
140 /* Per Processor Interrupts */
141 enum {
142     AW_H3_GIC_PPI_MAINT     =  9,
143     AW_H3_GIC_PPI_HYPTIMER  = 10,
144     AW_H3_GIC_PPI_VIRTTIMER = 11,
145     AW_H3_GIC_PPI_SECTIMER  = 13,
146     AW_H3_GIC_PPI_PHYSTIMER = 14
147 };
148 
149 /* Shared Processor Interrupts */
150 enum {
151     AW_H3_GIC_SPI_UART0     =  0,
152     AW_H3_GIC_SPI_UART1     =  1,
153     AW_H3_GIC_SPI_UART2     =  2,
154     AW_H3_GIC_SPI_UART3     =  3,
155     AW_H3_GIC_SPI_TIMER0    = 18,
156     AW_H3_GIC_SPI_TIMER1    = 19,
157     AW_H3_GIC_SPI_MMC0      = 60,
158     AW_H3_GIC_SPI_EHCI0     = 72,
159     AW_H3_GIC_SPI_OHCI0     = 73,
160     AW_H3_GIC_SPI_EHCI1     = 74,
161     AW_H3_GIC_SPI_OHCI1     = 75,
162     AW_H3_GIC_SPI_EHCI2     = 76,
163     AW_H3_GIC_SPI_OHCI2     = 77,
164     AW_H3_GIC_SPI_EHCI3     = 78,
165     AW_H3_GIC_SPI_OHCI3     = 79,
166     AW_H3_GIC_SPI_EMAC      = 82
167 };
168 
169 /* Allwinner H3 general constants */
170 enum {
171     AW_H3_GIC_NUM_SPI       = 128
172 };
173 
174 void allwinner_h3_bootrom_setup(AwH3State *s, BlockBackend *blk)
175 {
176     const int64_t rom_size = 32 * KiB;
177     g_autofree uint8_t *buffer = g_new0(uint8_t, rom_size);
178 
179     if (blk_pread(blk, 8 * KiB, buffer, rom_size) < 0) {
180         error_setg(&error_fatal, "%s: failed to read BlockBackend data",
181                    __func__);
182         return;
183     }
184 
185     rom_add_blob("allwinner-h3.bootrom", buffer, rom_size,
186                   rom_size, s->memmap[AW_H3_SRAM_A1],
187                   NULL, NULL, NULL, NULL, false);
188 }
189 
190 static void allwinner_h3_init(Object *obj)
191 {
192     AwH3State *s = AW_H3(obj);
193 
194     s->memmap = allwinner_h3_memmap;
195 
196     for (int i = 0; i < AW_H3_NUM_CPUS; i++) {
197         object_initialize_child(obj, "cpu[*]", &s->cpus[i], sizeof(s->cpus[i]),
198                                 ARM_CPU_TYPE_NAME("cortex-a7"),
199                                 &error_abort, NULL);
200     }
201 
202     sysbus_init_child_obj(obj, "gic", &s->gic, sizeof(s->gic),
203                           TYPE_ARM_GIC);
204 
205     sysbus_init_child_obj(obj, "timer", &s->timer, sizeof(s->timer),
206                           TYPE_AW_A10_PIT);
207     object_property_add_alias(obj, "clk0-freq", OBJECT(&s->timer),
208                               "clk0-freq", &error_abort);
209     object_property_add_alias(obj, "clk1-freq", OBJECT(&s->timer),
210                               "clk1-freq", &error_abort);
211 
212     sysbus_init_child_obj(obj, "ccu", &s->ccu, sizeof(s->ccu),
213                           TYPE_AW_H3_CCU);
214 
215     sysbus_init_child_obj(obj, "sysctrl", &s->sysctrl, sizeof(s->sysctrl),
216                           TYPE_AW_H3_SYSCTRL);
217 
218     sysbus_init_child_obj(obj, "cpucfg", &s->cpucfg, sizeof(s->cpucfg),
219                           TYPE_AW_CPUCFG);
220 
221     sysbus_init_child_obj(obj, "sid", &s->sid, sizeof(s->sid),
222                           TYPE_AW_SID);
223     object_property_add_alias(obj, "identifier", OBJECT(&s->sid),
224                               "identifier", &error_abort);
225 
226     sysbus_init_child_obj(obj, "mmc0", &s->mmc0, sizeof(s->mmc0),
227                           TYPE_AW_SDHOST_SUN5I);
228 
229     sysbus_init_child_obj(obj, "emac", &s->emac, sizeof(s->emac),
230                           TYPE_AW_SUN8I_EMAC);
231 
232     sysbus_init_child_obj(obj, "dramc", &s->dramc, sizeof(s->dramc),
233                           TYPE_AW_H3_DRAMC);
234     object_property_add_alias(obj, "ram-addr", OBJECT(&s->dramc),
235                              "ram-addr", &error_abort);
236     object_property_add_alias(obj, "ram-size", OBJECT(&s->dramc),
237                               "ram-size", &error_abort);
238 
239     sysbus_init_child_obj(obj, "rtc", &s->rtc, sizeof(s->rtc),
240                           TYPE_AW_RTC_SUN6I);
241 }
242 
243 static void allwinner_h3_realize(DeviceState *dev, Error **errp)
244 {
245     AwH3State *s = AW_H3(dev);
246     unsigned i;
247 
248     /* CPUs */
249     for (i = 0; i < AW_H3_NUM_CPUS; i++) {
250 
251         /* Provide Power State Coordination Interface */
252         qdev_prop_set_int32(DEVICE(&s->cpus[i]), "psci-conduit",
253                             QEMU_PSCI_CONDUIT_HVC);
254 
255         /* Disable secondary CPUs */
256         qdev_prop_set_bit(DEVICE(&s->cpus[i]), "start-powered-off",
257                           i > 0);
258 
259         /* All exception levels required */
260         qdev_prop_set_bit(DEVICE(&s->cpus[i]), "has_el3", true);
261         qdev_prop_set_bit(DEVICE(&s->cpus[i]), "has_el2", true);
262 
263         /* Mark realized */
264         qdev_init_nofail(DEVICE(&s->cpus[i]));
265     }
266 
267     /* Generic Interrupt Controller */
268     qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", AW_H3_GIC_NUM_SPI +
269                                                      GIC_INTERNAL);
270     qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
271     qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", AW_H3_NUM_CPUS);
272     qdev_prop_set_bit(DEVICE(&s->gic), "has-security-extensions", false);
273     qdev_prop_set_bit(DEVICE(&s->gic), "has-virtualization-extensions", true);
274     qdev_init_nofail(DEVICE(&s->gic));
275 
276     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 0, s->memmap[AW_H3_GIC_DIST]);
277     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 1, s->memmap[AW_H3_GIC_CPU]);
278     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 2, s->memmap[AW_H3_GIC_HYP]);
279     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 3, s->memmap[AW_H3_GIC_VCPU]);
280 
281     /*
282      * Wire the outputs from each CPU's generic timer and the GICv3
283      * maintenance interrupt signal to the appropriate GIC PPI inputs,
284      * and the GIC's IRQ/FIQ/VIRQ/VFIQ interrupt outputs to the CPU's inputs.
285      */
286     for (i = 0; i < AW_H3_NUM_CPUS; i++) {
287         DeviceState *cpudev = DEVICE(&s->cpus[i]);
288         int ppibase = AW_H3_GIC_NUM_SPI + i * GIC_INTERNAL + GIC_NR_SGIS;
289         int irq;
290         /*
291          * Mapping from the output timer irq lines from the CPU to the
292          * GIC PPI inputs used for this board.
293          */
294         const int timer_irq[] = {
295             [GTIMER_PHYS] = AW_H3_GIC_PPI_PHYSTIMER,
296             [GTIMER_VIRT] = AW_H3_GIC_PPI_VIRTTIMER,
297             [GTIMER_HYP]  = AW_H3_GIC_PPI_HYPTIMER,
298             [GTIMER_SEC]  = AW_H3_GIC_PPI_SECTIMER,
299         };
300 
301         /* Connect CPU timer outputs to GIC PPI inputs */
302         for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
303             qdev_connect_gpio_out(cpudev, irq,
304                                   qdev_get_gpio_in(DEVICE(&s->gic),
305                                                    ppibase + timer_irq[irq]));
306         }
307 
308         /* Connect GIC outputs to CPU interrupt inputs */
309         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
310                            qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
311         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + AW_H3_NUM_CPUS,
312                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
313         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + (2 * AW_H3_NUM_CPUS),
314                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
315         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + (3 * AW_H3_NUM_CPUS),
316                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
317 
318         /* GIC maintenance signal */
319         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + (4 * AW_H3_NUM_CPUS),
320                            qdev_get_gpio_in(DEVICE(&s->gic),
321                                             ppibase + AW_H3_GIC_PPI_MAINT));
322     }
323 
324     /* Timer */
325     qdev_init_nofail(DEVICE(&s->timer));
326     sysbus_mmio_map(SYS_BUS_DEVICE(&s->timer), 0, s->memmap[AW_H3_PIT]);
327     sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer), 0,
328                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_TIMER0));
329     sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer), 1,
330                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_TIMER1));
331 
332     /* SRAM */
333     memory_region_init_ram(&s->sram_a1, OBJECT(dev), "sram A1",
334                             64 * KiB, &error_abort);
335     memory_region_init_ram(&s->sram_a2, OBJECT(dev), "sram A2",
336                             32 * KiB, &error_abort);
337     memory_region_init_ram(&s->sram_c, OBJECT(dev), "sram C",
338                             44 * KiB, &error_abort);
339     memory_region_add_subregion(get_system_memory(), s->memmap[AW_H3_SRAM_A1],
340                                 &s->sram_a1);
341     memory_region_add_subregion(get_system_memory(), s->memmap[AW_H3_SRAM_A2],
342                                 &s->sram_a2);
343     memory_region_add_subregion(get_system_memory(), s->memmap[AW_H3_SRAM_C],
344                                 &s->sram_c);
345 
346     /* Clock Control Unit */
347     qdev_init_nofail(DEVICE(&s->ccu));
348     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccu), 0, s->memmap[AW_H3_CCU]);
349 
350     /* System Control */
351     qdev_init_nofail(DEVICE(&s->sysctrl));
352     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sysctrl), 0, s->memmap[AW_H3_SYSCTRL]);
353 
354     /* CPU Configuration */
355     qdev_init_nofail(DEVICE(&s->cpucfg));
356     sysbus_mmio_map(SYS_BUS_DEVICE(&s->cpucfg), 0, s->memmap[AW_H3_CPUCFG]);
357 
358     /* Security Identifier */
359     qdev_init_nofail(DEVICE(&s->sid));
360     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sid), 0, s->memmap[AW_H3_SID]);
361 
362     /* SD/MMC */
363     qdev_init_nofail(DEVICE(&s->mmc0));
364     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, s->memmap[AW_H3_MMC0]);
365     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0,
366                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_MMC0));
367 
368     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0),
369                               "sd-bus", &error_abort);
370 
371     /* EMAC */
372     if (nd_table[0].used) {
373         qemu_check_nic_model(&nd_table[0], TYPE_AW_SUN8I_EMAC);
374         qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
375     }
376     qdev_init_nofail(DEVICE(&s->emac));
377     sysbus_mmio_map(SYS_BUS_DEVICE(&s->emac), 0, s->memmap[AW_H3_EMAC]);
378     sysbus_connect_irq(SYS_BUS_DEVICE(&s->emac), 0,
379                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_EMAC));
380 
381     /* Universal Serial Bus */
382     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI0],
383                          qdev_get_gpio_in(DEVICE(&s->gic),
384                                           AW_H3_GIC_SPI_EHCI0));
385     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI1],
386                          qdev_get_gpio_in(DEVICE(&s->gic),
387                                           AW_H3_GIC_SPI_EHCI1));
388     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI2],
389                          qdev_get_gpio_in(DEVICE(&s->gic),
390                                           AW_H3_GIC_SPI_EHCI2));
391     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI3],
392                          qdev_get_gpio_in(DEVICE(&s->gic),
393                                           AW_H3_GIC_SPI_EHCI3));
394 
395     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI0],
396                          qdev_get_gpio_in(DEVICE(&s->gic),
397                                           AW_H3_GIC_SPI_OHCI0));
398     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI1],
399                          qdev_get_gpio_in(DEVICE(&s->gic),
400                                           AW_H3_GIC_SPI_OHCI1));
401     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI2],
402                          qdev_get_gpio_in(DEVICE(&s->gic),
403                                           AW_H3_GIC_SPI_OHCI2));
404     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI3],
405                          qdev_get_gpio_in(DEVICE(&s->gic),
406                                           AW_H3_GIC_SPI_OHCI3));
407 
408     /* UART0. For future clocktree API: All UARTS are connected to APB2_CLK. */
409     serial_mm_init(get_system_memory(), s->memmap[AW_H3_UART0], 2,
410                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART0),
411                    115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
412     /* UART1 */
413     serial_mm_init(get_system_memory(), s->memmap[AW_H3_UART1], 2,
414                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART1),
415                    115200, serial_hd(1), DEVICE_NATIVE_ENDIAN);
416     /* UART2 */
417     serial_mm_init(get_system_memory(), s->memmap[AW_H3_UART2], 2,
418                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART2),
419                    115200, serial_hd(2), DEVICE_NATIVE_ENDIAN);
420     /* UART3 */
421     serial_mm_init(get_system_memory(), s->memmap[AW_H3_UART3], 2,
422                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART3),
423                    115200, serial_hd(3), DEVICE_NATIVE_ENDIAN);
424 
425     /* DRAMC */
426     qdev_init_nofail(DEVICE(&s->dramc));
427     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 0, s->memmap[AW_H3_DRAMCOM]);
428     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 1, s->memmap[AW_H3_DRAMCTL]);
429     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 2, s->memmap[AW_H3_DRAMPHY]);
430 
431     /* RTC */
432     qdev_init_nofail(DEVICE(&s->rtc));
433     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, s->memmap[AW_H3_RTC]);
434 
435     /* Unimplemented devices */
436     for (i = 0; i < ARRAY_SIZE(unimplemented); i++) {
437         create_unimplemented_device(unimplemented[i].device_name,
438                                     unimplemented[i].base,
439                                     unimplemented[i].size);
440     }
441 }
442 
443 static void allwinner_h3_class_init(ObjectClass *oc, void *data)
444 {
445     DeviceClass *dc = DEVICE_CLASS(oc);
446 
447     dc->realize = allwinner_h3_realize;
448     /* Reason: uses serial_hd() in realize function */
449     dc->user_creatable = false;
450 }
451 
452 static const TypeInfo allwinner_h3_type_info = {
453     .name = TYPE_AW_H3,
454     .parent = TYPE_DEVICE,
455     .instance_size = sizeof(AwH3State),
456     .instance_init = allwinner_h3_init,
457     .class_init = allwinner_h3_class_init,
458 };
459 
460 static void allwinner_h3_register_types(void)
461 {
462     type_register_static(&allwinner_h3_type_info);
463 }
464 
465 type_init(allwinner_h3_register_types)
466