xref: /openbmc/qemu/hw/arm/allwinner-h3.c (revision 278f064e)
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 "qapi/error.h"
22 #include "qemu/error-report.h"
23 #include "qemu/module.h"
24 #include "qemu/units.h"
25 #include "hw/qdev-core.h"
26 #include "hw/sysbus.h"
27 #include "hw/char/serial.h"
28 #include "hw/misc/unimp.h"
29 #include "hw/usb/hcd-ehci.h"
30 #include "hw/loader.h"
31 #include "sysemu/sysemu.h"
32 #include "hw/arm/allwinner-h3.h"
33 
34 /* Memory map */
35 const hwaddr allwinner_h3_memmap[] = {
36     [AW_H3_DEV_SRAM_A1]    = 0x00000000,
37     [AW_H3_DEV_SRAM_A2]    = 0x00044000,
38     [AW_H3_DEV_SRAM_C]     = 0x00010000,
39     [AW_H3_DEV_SYSCTRL]    = 0x01c00000,
40     [AW_H3_DEV_MMC0]       = 0x01c0f000,
41     [AW_H3_DEV_SID]        = 0x01c14000,
42     [AW_H3_DEV_EHCI0]      = 0x01c1a000,
43     [AW_H3_DEV_OHCI0]      = 0x01c1a400,
44     [AW_H3_DEV_EHCI1]      = 0x01c1b000,
45     [AW_H3_DEV_OHCI1]      = 0x01c1b400,
46     [AW_H3_DEV_EHCI2]      = 0x01c1c000,
47     [AW_H3_DEV_OHCI2]      = 0x01c1c400,
48     [AW_H3_DEV_EHCI3]      = 0x01c1d000,
49     [AW_H3_DEV_OHCI3]      = 0x01c1d400,
50     [AW_H3_DEV_CCU]        = 0x01c20000,
51     [AW_H3_DEV_PIT]        = 0x01c20c00,
52     [AW_H3_DEV_UART0]      = 0x01c28000,
53     [AW_H3_DEV_UART1]      = 0x01c28400,
54     [AW_H3_DEV_UART2]      = 0x01c28800,
55     [AW_H3_DEV_UART3]      = 0x01c28c00,
56     [AW_H3_DEV_EMAC]       = 0x01c30000,
57     [AW_H3_DEV_DRAMCOM]    = 0x01c62000,
58     [AW_H3_DEV_DRAMCTL]    = 0x01c63000,
59     [AW_H3_DEV_DRAMPHY]    = 0x01c65000,
60     [AW_H3_DEV_GIC_DIST]   = 0x01c81000,
61     [AW_H3_DEV_GIC_CPU]    = 0x01c82000,
62     [AW_H3_DEV_GIC_HYP]    = 0x01c84000,
63     [AW_H3_DEV_GIC_VCPU]   = 0x01c86000,
64     [AW_H3_DEV_RTC]        = 0x01f00000,
65     [AW_H3_DEV_CPUCFG]     = 0x01f01c00,
66     [AW_H3_DEV_SDRAM]      = 0x40000000
67 };
68 
69 /* List of unimplemented devices */
70 struct AwH3Unimplemented {
71     const char *device_name;
72     hwaddr base;
73     hwaddr size;
74 } unimplemented[] = {
75     { "d-engine",  0x01000000, 4 * MiB },
76     { "d-inter",   0x01400000, 128 * KiB },
77     { "dma",       0x01c02000, 4 * KiB },
78     { "nfdc",      0x01c03000, 4 * KiB },
79     { "ts",        0x01c06000, 4 * KiB },
80     { "keymem",    0x01c0b000, 4 * KiB },
81     { "lcd0",      0x01c0c000, 4 * KiB },
82     { "lcd1",      0x01c0d000, 4 * KiB },
83     { "ve",        0x01c0e000, 4 * KiB },
84     { "mmc1",      0x01c10000, 4 * KiB },
85     { "mmc2",      0x01c11000, 4 * KiB },
86     { "crypto",    0x01c15000, 4 * KiB },
87     { "msgbox",    0x01c17000, 4 * KiB },
88     { "spinlock",  0x01c18000, 4 * KiB },
89     { "usb0-otg",  0x01c19000, 4 * KiB },
90     { "usb0-phy",  0x01c1a000, 4 * KiB },
91     { "usb1-phy",  0x01c1b000, 4 * KiB },
92     { "usb2-phy",  0x01c1c000, 4 * KiB },
93     { "usb3-phy",  0x01c1d000, 4 * KiB },
94     { "smc",       0x01c1e000, 4 * KiB },
95     { "pio",       0x01c20800, 1 * KiB },
96     { "owa",       0x01c21000, 1 * KiB },
97     { "pwm",       0x01c21400, 1 * KiB },
98     { "keyadc",    0x01c21800, 1 * KiB },
99     { "pcm0",      0x01c22000, 1 * KiB },
100     { "pcm1",      0x01c22400, 1 * KiB },
101     { "pcm2",      0x01c22800, 1 * KiB },
102     { "audio",     0x01c22c00, 2 * KiB },
103     { "smta",      0x01c23400, 1 * KiB },
104     { "ths",       0x01c25000, 1 * KiB },
105     { "uart0",     0x01c28000, 1 * KiB },
106     { "uart1",     0x01c28400, 1 * KiB },
107     { "uart2",     0x01c28800, 1 * KiB },
108     { "uart3",     0x01c28c00, 1 * KiB },
109     { "twi0",      0x01c2ac00, 1 * KiB },
110     { "twi1",      0x01c2b000, 1 * KiB },
111     { "twi2",      0x01c2b400, 1 * KiB },
112     { "scr",       0x01c2c400, 1 * KiB },
113     { "gpu",       0x01c40000, 64 * KiB },
114     { "hstmr",     0x01c60000, 4 * KiB },
115     { "spi0",      0x01c68000, 4 * KiB },
116     { "spi1",      0x01c69000, 4 * KiB },
117     { "csi",       0x01cb0000, 320 * KiB },
118     { "tve",       0x01e00000, 64 * KiB },
119     { "hdmi",      0x01ee0000, 128 * KiB },
120     { "r_timer",   0x01f00800, 1 * KiB },
121     { "r_intc",    0x01f00c00, 1 * KiB },
122     { "r_wdog",    0x01f01000, 1 * KiB },
123     { "r_prcm",    0x01f01400, 1 * KiB },
124     { "r_twd",     0x01f01800, 1 * KiB },
125     { "r_cir-rx",  0x01f02000, 1 * KiB },
126     { "r_twi",     0x01f02400, 1 * KiB },
127     { "r_uart",    0x01f02800, 1 * KiB },
128     { "r_pio",     0x01f02c00, 1 * KiB },
129     { "r_pwm",     0x01f03800, 1 * KiB },
130     { "core-dbg",  0x3f500000, 128 * KiB },
131     { "tsgen-ro",  0x3f506000, 4 * KiB },
132     { "tsgen-ctl", 0x3f507000, 4 * KiB },
133     { "ddr-mem",   0x40000000, 2 * GiB },
134     { "n-brom",    0xffff0000, 32 * KiB },
135     { "s-brom",    0xffff0000, 64 * KiB }
136 };
137 
138 /* Per Processor Interrupts */
139 enum {
140     AW_H3_GIC_PPI_MAINT     =  9,
141     AW_H3_GIC_PPI_HYPTIMER  = 10,
142     AW_H3_GIC_PPI_VIRTTIMER = 11,
143     AW_H3_GIC_PPI_SECTIMER  = 13,
144     AW_H3_GIC_PPI_PHYSTIMER = 14
145 };
146 
147 /* Shared Processor Interrupts */
148 enum {
149     AW_H3_GIC_SPI_UART0     =  0,
150     AW_H3_GIC_SPI_UART1     =  1,
151     AW_H3_GIC_SPI_UART2     =  2,
152     AW_H3_GIC_SPI_UART3     =  3,
153     AW_H3_GIC_SPI_TIMER0    = 18,
154     AW_H3_GIC_SPI_TIMER1    = 19,
155     AW_H3_GIC_SPI_MMC0      = 60,
156     AW_H3_GIC_SPI_EHCI0     = 72,
157     AW_H3_GIC_SPI_OHCI0     = 73,
158     AW_H3_GIC_SPI_EHCI1     = 74,
159     AW_H3_GIC_SPI_OHCI1     = 75,
160     AW_H3_GIC_SPI_EHCI2     = 76,
161     AW_H3_GIC_SPI_OHCI2     = 77,
162     AW_H3_GIC_SPI_EHCI3     = 78,
163     AW_H3_GIC_SPI_OHCI3     = 79,
164     AW_H3_GIC_SPI_EMAC      = 82
165 };
166 
167 /* Allwinner H3 general constants */
168 enum {
169     AW_H3_GIC_NUM_SPI       = 128
170 };
171 
172 void allwinner_h3_bootrom_setup(AwH3State *s, BlockBackend *blk)
173 {
174     const int64_t rom_size = 32 * KiB;
175     g_autofree uint8_t *buffer = g_new0(uint8_t, rom_size);
176 
177     if (blk_pread(blk, 8 * KiB, buffer, rom_size) < 0) {
178         error_setg(&error_fatal, "%s: failed to read BlockBackend data",
179                    __func__);
180         return;
181     }
182 
183     rom_add_blob("allwinner-h3.bootrom", buffer, rom_size,
184                   rom_size, s->memmap[AW_H3_DEV_SRAM_A1],
185                   NULL, NULL, NULL, NULL, false);
186 }
187 
188 static void allwinner_h3_init(Object *obj)
189 {
190     AwH3State *s = AW_H3(obj);
191 
192     s->memmap = allwinner_h3_memmap;
193 
194     for (int i = 0; i < AW_H3_NUM_CPUS; i++) {
195         object_initialize_child(obj, "cpu[*]", &s->cpus[i],
196                                 ARM_CPU_TYPE_NAME("cortex-a7"));
197     }
198 
199     object_initialize_child(obj, "gic", &s->gic, TYPE_ARM_GIC);
200 
201     object_initialize_child(obj, "timer", &s->timer, TYPE_AW_A10_PIT);
202     object_property_add_alias(obj, "clk0-freq", OBJECT(&s->timer),
203                               "clk0-freq");
204     object_property_add_alias(obj, "clk1-freq", OBJECT(&s->timer),
205                               "clk1-freq");
206 
207     object_initialize_child(obj, "ccu", &s->ccu, TYPE_AW_H3_CCU);
208 
209     object_initialize_child(obj, "sysctrl", &s->sysctrl, TYPE_AW_H3_SYSCTRL);
210 
211     object_initialize_child(obj, "cpucfg", &s->cpucfg, TYPE_AW_CPUCFG);
212 
213     object_initialize_child(obj, "sid", &s->sid, TYPE_AW_SID);
214     object_property_add_alias(obj, "identifier", OBJECT(&s->sid),
215                               "identifier");
216 
217     object_initialize_child(obj, "mmc0", &s->mmc0, TYPE_AW_SDHOST_SUN5I);
218 
219     object_initialize_child(obj, "emac", &s->emac, TYPE_AW_SUN8I_EMAC);
220 
221     object_initialize_child(obj, "dramc", &s->dramc, TYPE_AW_H3_DRAMC);
222     object_property_add_alias(obj, "ram-addr", OBJECT(&s->dramc),
223                              "ram-addr");
224     object_property_add_alias(obj, "ram-size", OBJECT(&s->dramc),
225                               "ram-size");
226 
227     object_initialize_child(obj, "rtc", &s->rtc, TYPE_AW_RTC_SUN6I);
228 }
229 
230 static void allwinner_h3_realize(DeviceState *dev, Error **errp)
231 {
232     AwH3State *s = AW_H3(dev);
233     unsigned i;
234 
235     /* CPUs */
236     for (i = 0; i < AW_H3_NUM_CPUS; i++) {
237 
238         /* Provide Power State Coordination Interface */
239         qdev_prop_set_int32(DEVICE(&s->cpus[i]), "psci-conduit",
240                             QEMU_PSCI_CONDUIT_HVC);
241 
242         /* Disable secondary CPUs */
243         qdev_prop_set_bit(DEVICE(&s->cpus[i]), "start-powered-off",
244                           i > 0);
245 
246         /* All exception levels required */
247         qdev_prop_set_bit(DEVICE(&s->cpus[i]), "has_el3", true);
248         qdev_prop_set_bit(DEVICE(&s->cpus[i]), "has_el2", true);
249 
250         /* Mark realized */
251         qdev_realize(DEVICE(&s->cpus[i]), NULL, &error_fatal);
252     }
253 
254     /* Generic Interrupt Controller */
255     qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", AW_H3_GIC_NUM_SPI +
256                                                      GIC_INTERNAL);
257     qdev_prop_set_uint32(DEVICE(&s->gic), "revision", 2);
258     qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", AW_H3_NUM_CPUS);
259     qdev_prop_set_bit(DEVICE(&s->gic), "has-security-extensions", false);
260     qdev_prop_set_bit(DEVICE(&s->gic), "has-virtualization-extensions", true);
261     sysbus_realize(SYS_BUS_DEVICE(&s->gic), &error_fatal);
262 
263     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 0, s->memmap[AW_H3_DEV_GIC_DIST]);
264     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 1, s->memmap[AW_H3_DEV_GIC_CPU]);
265     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 2, s->memmap[AW_H3_DEV_GIC_HYP]);
266     sysbus_mmio_map(SYS_BUS_DEVICE(&s->gic), 3, s->memmap[AW_H3_DEV_GIC_VCPU]);
267 
268     /*
269      * Wire the outputs from each CPU's generic timer and the GICv3
270      * maintenance interrupt signal to the appropriate GIC PPI inputs,
271      * and the GIC's IRQ/FIQ/VIRQ/VFIQ interrupt outputs to the CPU's inputs.
272      */
273     for (i = 0; i < AW_H3_NUM_CPUS; i++) {
274         DeviceState *cpudev = DEVICE(&s->cpus[i]);
275         int ppibase = AW_H3_GIC_NUM_SPI + i * GIC_INTERNAL + GIC_NR_SGIS;
276         int irq;
277         /*
278          * Mapping from the output timer irq lines from the CPU to the
279          * GIC PPI inputs used for this board.
280          */
281         const int timer_irq[] = {
282             [GTIMER_PHYS] = AW_H3_GIC_PPI_PHYSTIMER,
283             [GTIMER_VIRT] = AW_H3_GIC_PPI_VIRTTIMER,
284             [GTIMER_HYP]  = AW_H3_GIC_PPI_HYPTIMER,
285             [GTIMER_SEC]  = AW_H3_GIC_PPI_SECTIMER,
286         };
287 
288         /* Connect CPU timer outputs to GIC PPI inputs */
289         for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
290             qdev_connect_gpio_out(cpudev, irq,
291                                   qdev_get_gpio_in(DEVICE(&s->gic),
292                                                    ppibase + timer_irq[irq]));
293         }
294 
295         /* Connect GIC outputs to CPU interrupt inputs */
296         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i,
297                            qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
298         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + AW_H3_NUM_CPUS,
299                            qdev_get_gpio_in(cpudev, ARM_CPU_FIQ));
300         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + (2 * AW_H3_NUM_CPUS),
301                            qdev_get_gpio_in(cpudev, ARM_CPU_VIRQ));
302         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + (3 * AW_H3_NUM_CPUS),
303                            qdev_get_gpio_in(cpudev, ARM_CPU_VFIQ));
304 
305         /* GIC maintenance signal */
306         sysbus_connect_irq(SYS_BUS_DEVICE(&s->gic), i + (4 * AW_H3_NUM_CPUS),
307                            qdev_get_gpio_in(DEVICE(&s->gic),
308                                             ppibase + AW_H3_GIC_PPI_MAINT));
309     }
310 
311     /* Timer */
312     sysbus_realize(SYS_BUS_DEVICE(&s->timer), &error_fatal);
313     sysbus_mmio_map(SYS_BUS_DEVICE(&s->timer), 0, s->memmap[AW_H3_DEV_PIT]);
314     sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer), 0,
315                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_TIMER0));
316     sysbus_connect_irq(SYS_BUS_DEVICE(&s->timer), 1,
317                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_TIMER1));
318 
319     /* SRAM */
320     memory_region_init_ram(&s->sram_a1, OBJECT(dev), "sram A1",
321                             64 * KiB, &error_abort);
322     memory_region_init_ram(&s->sram_a2, OBJECT(dev), "sram A2",
323                             32 * KiB, &error_abort);
324     memory_region_init_ram(&s->sram_c, OBJECT(dev), "sram C",
325                             44 * KiB, &error_abort);
326     memory_region_add_subregion(get_system_memory(), s->memmap[AW_H3_DEV_SRAM_A1],
327                                 &s->sram_a1);
328     memory_region_add_subregion(get_system_memory(), s->memmap[AW_H3_DEV_SRAM_A2],
329                                 &s->sram_a2);
330     memory_region_add_subregion(get_system_memory(), s->memmap[AW_H3_DEV_SRAM_C],
331                                 &s->sram_c);
332 
333     /* Clock Control Unit */
334     sysbus_realize(SYS_BUS_DEVICE(&s->ccu), &error_fatal);
335     sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccu), 0, s->memmap[AW_H3_DEV_CCU]);
336 
337     /* System Control */
338     sysbus_realize(SYS_BUS_DEVICE(&s->sysctrl), &error_fatal);
339     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sysctrl), 0, s->memmap[AW_H3_DEV_SYSCTRL]);
340 
341     /* CPU Configuration */
342     sysbus_realize(SYS_BUS_DEVICE(&s->cpucfg), &error_fatal);
343     sysbus_mmio_map(SYS_BUS_DEVICE(&s->cpucfg), 0, s->memmap[AW_H3_DEV_CPUCFG]);
344 
345     /* Security Identifier */
346     sysbus_realize(SYS_BUS_DEVICE(&s->sid), &error_fatal);
347     sysbus_mmio_map(SYS_BUS_DEVICE(&s->sid), 0, s->memmap[AW_H3_DEV_SID]);
348 
349     /* SD/MMC */
350     object_property_set_link(OBJECT(&s->mmc0), "dma-memory",
351                              OBJECT(get_system_memory()), &error_fatal);
352     sysbus_realize(SYS_BUS_DEVICE(&s->mmc0), &error_fatal);
353     sysbus_mmio_map(SYS_BUS_DEVICE(&s->mmc0), 0, s->memmap[AW_H3_DEV_MMC0]);
354     sysbus_connect_irq(SYS_BUS_DEVICE(&s->mmc0), 0,
355                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_MMC0));
356 
357     object_property_add_alias(OBJECT(s), "sd-bus", OBJECT(&s->mmc0),
358                               "sd-bus");
359 
360     /* EMAC */
361     /* FIXME use qdev NIC properties instead of nd_table[] */
362     if (nd_table[0].used) {
363         qemu_check_nic_model(&nd_table[0], TYPE_AW_SUN8I_EMAC);
364         qdev_set_nic_properties(DEVICE(&s->emac), &nd_table[0]);
365     }
366     object_property_set_link(OBJECT(&s->emac), "dma-memory",
367                              OBJECT(get_system_memory()), &error_fatal);
368     sysbus_realize(SYS_BUS_DEVICE(&s->emac), &error_fatal);
369     sysbus_mmio_map(SYS_BUS_DEVICE(&s->emac), 0, s->memmap[AW_H3_DEV_EMAC]);
370     sysbus_connect_irq(SYS_BUS_DEVICE(&s->emac), 0,
371                        qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_EMAC));
372 
373     /* Universal Serial Bus */
374     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_DEV_EHCI0],
375                          qdev_get_gpio_in(DEVICE(&s->gic),
376                                           AW_H3_GIC_SPI_EHCI0));
377     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_DEV_EHCI1],
378                          qdev_get_gpio_in(DEVICE(&s->gic),
379                                           AW_H3_GIC_SPI_EHCI1));
380     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_DEV_EHCI2],
381                          qdev_get_gpio_in(DEVICE(&s->gic),
382                                           AW_H3_GIC_SPI_EHCI2));
383     sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_DEV_EHCI3],
384                          qdev_get_gpio_in(DEVICE(&s->gic),
385                                           AW_H3_GIC_SPI_EHCI3));
386 
387     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_DEV_OHCI0],
388                          qdev_get_gpio_in(DEVICE(&s->gic),
389                                           AW_H3_GIC_SPI_OHCI0));
390     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_DEV_OHCI1],
391                          qdev_get_gpio_in(DEVICE(&s->gic),
392                                           AW_H3_GIC_SPI_OHCI1));
393     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_DEV_OHCI2],
394                          qdev_get_gpio_in(DEVICE(&s->gic),
395                                           AW_H3_GIC_SPI_OHCI2));
396     sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_DEV_OHCI3],
397                          qdev_get_gpio_in(DEVICE(&s->gic),
398                                           AW_H3_GIC_SPI_OHCI3));
399 
400     /* UART0. For future clocktree API: All UARTS are connected to APB2_CLK. */
401     serial_mm_init(get_system_memory(), s->memmap[AW_H3_DEV_UART0], 2,
402                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART0),
403                    115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
404     /* UART1 */
405     serial_mm_init(get_system_memory(), s->memmap[AW_H3_DEV_UART1], 2,
406                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART1),
407                    115200, serial_hd(1), DEVICE_NATIVE_ENDIAN);
408     /* UART2 */
409     serial_mm_init(get_system_memory(), s->memmap[AW_H3_DEV_UART2], 2,
410                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART2),
411                    115200, serial_hd(2), DEVICE_NATIVE_ENDIAN);
412     /* UART3 */
413     serial_mm_init(get_system_memory(), s->memmap[AW_H3_DEV_UART3], 2,
414                    qdev_get_gpio_in(DEVICE(&s->gic), AW_H3_GIC_SPI_UART3),
415                    115200, serial_hd(3), DEVICE_NATIVE_ENDIAN);
416 
417     /* DRAMC */
418     sysbus_realize(SYS_BUS_DEVICE(&s->dramc), &error_fatal);
419     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 0, s->memmap[AW_H3_DEV_DRAMCOM]);
420     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 1, s->memmap[AW_H3_DEV_DRAMCTL]);
421     sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 2, s->memmap[AW_H3_DEV_DRAMPHY]);
422 
423     /* RTC */
424     sysbus_realize(SYS_BUS_DEVICE(&s->rtc), &error_fatal);
425     sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, s->memmap[AW_H3_DEV_RTC]);
426 
427     /* Unimplemented devices */
428     for (i = 0; i < ARRAY_SIZE(unimplemented); i++) {
429         create_unimplemented_device(unimplemented[i].device_name,
430                                     unimplemented[i].base,
431                                     unimplemented[i].size);
432     }
433 }
434 
435 static void allwinner_h3_class_init(ObjectClass *oc, void *data)
436 {
437     DeviceClass *dc = DEVICE_CLASS(oc);
438 
439     dc->realize = allwinner_h3_realize;
440     /* Reason: uses serial_hd() in realize function */
441     dc->user_creatable = false;
442 }
443 
444 static const TypeInfo allwinner_h3_type_info = {
445     .name = TYPE_AW_H3,
446     .parent = TYPE_DEVICE,
447     .instance_size = sizeof(AwH3State),
448     .instance_init = allwinner_h3_init,
449     .class_init = allwinner_h3_class_init,
450 };
451 
452 static void allwinner_h3_register_types(void)
453 {
454     type_register_static(&allwinner_h3_type_info);
455 }
456 
457 type_init(allwinner_h3_register_types)
458