xref: /openbmc/qemu/hw/arm/exynos4210.c (revision 771dee52c09ec40791a3e8651c395e6aa097c664)
1 /*
2  *  Samsung exynos4210 SoC emulation
3  *
4  *  Copyright (c) 2011 Samsung Electronics Co., Ltd. All rights reserved.
5  *    Maksim Kozlov <m.kozlov@samsung.com>
6  *    Evgeny Voevodin <e.voevodin@samsung.com>
7  *    Igor Mitsyanko  <i.mitsyanko@samsung.com>
8  *
9  *  This program is free software; you can redistribute it and/or modify it
10  *  under the terms of the GNU General Public License as published by the
11  *  Free Software Foundation; either version 2 of the License, or
12  *  (at your option) any later version.
13  *
14  *  This program is distributed in the hope that it will be useful, but WITHOUT
15  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16  *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17  *  for more details.
18  *
19  *  You should have received a copy of the GNU General Public License along
20  *  with this program; if not, see <http://www.gnu.org/licenses/>.
21  *
22  */
23 
24 #include "qemu/osdep.h"
25 #include "qapi/error.h"
26 #include "cpu.h"
27 #include "hw/cpu/a9mpcore.h"
28 #include "hw/irq.h"
29 #include "sysemu/blockdev.h"
30 #include "sysemu/sysemu.h"
31 #include "hw/sysbus.h"
32 #include "hw/arm/boot.h"
33 #include "hw/loader.h"
34 #include "hw/qdev-properties.h"
35 #include "hw/arm/exynos4210.h"
36 #include "hw/sd/sdhci.h"
37 #include "hw/usb/hcd-ehci.h"
38 
39 #define EXYNOS4210_CHIPID_ADDR         0x10000000
40 
41 /* PWM */
42 #define EXYNOS4210_PWM_BASE_ADDR       0x139D0000
43 
44 /* RTC */
45 #define EXYNOS4210_RTC_BASE_ADDR       0x10070000
46 
47 /* MCT */
48 #define EXYNOS4210_MCT_BASE_ADDR       0x10050000
49 
50 /* I2C */
51 #define EXYNOS4210_I2C_SHIFT           0x00010000
52 #define EXYNOS4210_I2C_BASE_ADDR       0x13860000
53 /* Interrupt Group of External Interrupt Combiner for I2C */
54 #define EXYNOS4210_I2C_INTG            27
55 #define EXYNOS4210_HDMI_INTG           16
56 
57 /* UART's definitions */
58 #define EXYNOS4210_UART0_BASE_ADDR     0x13800000
59 #define EXYNOS4210_UART1_BASE_ADDR     0x13810000
60 #define EXYNOS4210_UART2_BASE_ADDR     0x13820000
61 #define EXYNOS4210_UART3_BASE_ADDR     0x13830000
62 #define EXYNOS4210_UART0_FIFO_SIZE     256
63 #define EXYNOS4210_UART1_FIFO_SIZE     64
64 #define EXYNOS4210_UART2_FIFO_SIZE     16
65 #define EXYNOS4210_UART3_FIFO_SIZE     16
66 /* Interrupt Group of External Interrupt Combiner for UART */
67 #define EXYNOS4210_UART_INT_GRP        26
68 
69 /* External GIC */
70 #define EXYNOS4210_EXT_GIC_CPU_BASE_ADDR    0x10480000
71 #define EXYNOS4210_EXT_GIC_DIST_BASE_ADDR   0x10490000
72 
73 /* Combiner */
74 #define EXYNOS4210_EXT_COMBINER_BASE_ADDR   0x10440000
75 #define EXYNOS4210_INT_COMBINER_BASE_ADDR   0x10448000
76 
77 /* SD/MMC host controllers */
78 #define EXYNOS4210_SDHCI_CAPABILITIES       0x05E80080
79 #define EXYNOS4210_SDHCI_BASE_ADDR          0x12510000
80 #define EXYNOS4210_SDHCI_ADDR(n)            (EXYNOS4210_SDHCI_BASE_ADDR + \
81                                                 0x00010000 * (n))
82 #define EXYNOS4210_SDHCI_NUMBER             4
83 
84 /* PMU SFR base address */
85 #define EXYNOS4210_PMU_BASE_ADDR            0x10020000
86 
87 /* Clock controller SFR base address */
88 #define EXYNOS4210_CLK_BASE_ADDR            0x10030000
89 
90 /* PRNG/HASH SFR base address */
91 #define EXYNOS4210_RNG_BASE_ADDR            0x10830400
92 
93 /* Display controllers (FIMD) */
94 #define EXYNOS4210_FIMD0_BASE_ADDR          0x11C00000
95 
96 /* EHCI */
97 #define EXYNOS4210_EHCI_BASE_ADDR           0x12580000
98 
99 /* DMA */
100 #define EXYNOS4210_PL330_BASE0_ADDR         0x12680000
101 #define EXYNOS4210_PL330_BASE1_ADDR         0x12690000
102 #define EXYNOS4210_PL330_BASE2_ADDR         0x12850000
103 
104 static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
105                                     0x09, 0x00, 0x00, 0x00 };
106 
107 static uint64_t exynos4210_chipid_and_omr_read(void *opaque, hwaddr offset,
108                                                unsigned size)
109 {
110     assert(offset < sizeof(chipid_and_omr));
111     return chipid_and_omr[offset];
112 }
113 
114 static void exynos4210_chipid_and_omr_write(void *opaque, hwaddr offset,
115                                             uint64_t value, unsigned size)
116 {
117     return;
118 }
119 
120 static const MemoryRegionOps exynos4210_chipid_and_omr_ops = {
121     .read = exynos4210_chipid_and_omr_read,
122     .write = exynos4210_chipid_and_omr_write,
123     .endianness = DEVICE_NATIVE_ENDIAN,
124     .impl = {
125         .max_access_size = 1,
126     }
127 };
128 
129 void exynos4210_write_secondary(ARMCPU *cpu,
130         const struct arm_boot_info *info)
131 {
132     int n;
133     uint32_t smpboot[] = {
134         0xe59f3034, /* ldr r3, External gic_cpu_if */
135         0xe59f2034, /* ldr r2, Internal gic_cpu_if */
136         0xe59f0034, /* ldr r0, startaddr */
137         0xe3a01001, /* mov r1, #1 */
138         0xe5821000, /* str r1, [r2] */
139         0xe5831000, /* str r1, [r3] */
140         0xe3a010ff, /* mov r1, #0xff */
141         0xe5821004, /* str r1, [r2, #4] */
142         0xe5831004, /* str r1, [r3, #4] */
143         0xf57ff04f, /* dsb */
144         0xe320f003, /* wfi */
145         0xe5901000, /* ldr     r1, [r0] */
146         0xe1110001, /* tst     r1, r1 */
147         0x0afffffb, /* beq     <wfi> */
148         0xe12fff11, /* bx      r1 */
149         EXYNOS4210_EXT_GIC_CPU_BASE_ADDR,
150         0,          /* gic_cpu_if: base address of Internal GIC CPU interface */
151         0           /* bootreg: Boot register address is held here */
152     };
153     smpboot[ARRAY_SIZE(smpboot) - 1] = info->smp_bootreg_addr;
154     smpboot[ARRAY_SIZE(smpboot) - 2] = info->gic_cpu_if_addr;
155     for (n = 0; n < ARRAY_SIZE(smpboot); n++) {
156         smpboot[n] = tswap32(smpboot[n]);
157     }
158     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
159                        info->smp_loader_start);
160 }
161 
162 static uint64_t exynos4210_calc_affinity(int cpu)
163 {
164     /* Exynos4210 has 0x9 as cluster ID */
165     return (0x9 << ARM_AFF1_SHIFT) | cpu;
166 }
167 
168 static DeviceState *pl330_create(uint32_t base, qemu_or_irq *orgate,
169                                  qemu_irq irq, int nreq, int nevents, int width)
170 {
171     SysBusDevice *busdev;
172     DeviceState *dev;
173     int i;
174 
175     dev = qdev_new("pl330");
176     object_property_set_link(OBJECT(dev), "memory",
177                              OBJECT(get_system_memory()),
178                              &error_fatal);
179     qdev_prop_set_uint8(dev, "num_events", nevents);
180     qdev_prop_set_uint8(dev, "num_chnls",  8);
181     qdev_prop_set_uint8(dev, "num_periph_req",  nreq);
182 
183     qdev_prop_set_uint8(dev, "wr_cap", 4);
184     qdev_prop_set_uint8(dev, "wr_q_dep", 8);
185     qdev_prop_set_uint8(dev, "rd_cap", 4);
186     qdev_prop_set_uint8(dev, "rd_q_dep", 8);
187     qdev_prop_set_uint8(dev, "data_width", width);
188     qdev_prop_set_uint16(dev, "data_buffer_dep", width);
189     busdev = SYS_BUS_DEVICE(dev);
190     sysbus_realize_and_unref(busdev, &error_fatal);
191     sysbus_mmio_map(busdev, 0, base);
192 
193     object_property_set_int(OBJECT(orgate), "num-lines", nevents + 1,
194                             &error_abort);
195     qdev_realize(DEVICE(orgate), NULL, &error_abort);
196 
197     for (i = 0; i < nevents + 1; i++) {
198         sysbus_connect_irq(busdev, i, qdev_get_gpio_in(DEVICE(orgate), i));
199     }
200     qdev_connect_gpio_out(DEVICE(orgate), 0, irq);
201     return dev;
202 }
203 
204 static void exynos4210_realize(DeviceState *socdev, Error **errp)
205 {
206     Exynos4210State *s = EXYNOS4210_SOC(socdev);
207     MemoryRegion *system_mem = get_system_memory();
208     SysBusDevice *busdev;
209     DeviceState *dev, *uart[4], *pl330[3];
210     int i, n;
211 
212     for (n = 0; n < EXYNOS4210_NCPUS; n++) {
213         Object *cpuobj = object_new(ARM_CPU_TYPE_NAME("cortex-a9"));
214 
215         /* By default A9 CPUs have EL3 enabled.  This board does not currently
216          * support EL3 so the CPU EL3 property is disabled before realization.
217          */
218         if (object_property_find(cpuobj, "has_el3")) {
219             object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
220         }
221 
222         s->cpu[n] = ARM_CPU(cpuobj);
223         object_property_set_int(cpuobj, "mp-affinity",
224                                 exynos4210_calc_affinity(n), &error_abort);
225         object_property_set_int(cpuobj, "reset-cbar",
226                                 EXYNOS4210_SMP_PRIVATE_BASE_ADDR,
227                                 &error_abort);
228         qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
229     }
230 
231     /* IRQ Gate */
232     for (i = 0; i < EXYNOS4210_NCPUS; i++) {
233         DeviceState *orgate = DEVICE(&s->cpu_irq_orgate[i]);
234         object_property_set_int(OBJECT(orgate), "num-lines",
235                                 EXYNOS4210_IRQ_GATE_NINPUTS,
236                                 &error_abort);
237         qdev_realize(orgate, NULL, &error_abort);
238         qdev_connect_gpio_out(orgate, 0,
239                               qdev_get_gpio_in(DEVICE(s->cpu[i]), ARM_CPU_IRQ));
240     }
241 
242     /* Private memory region and Internal GIC */
243     qdev_prop_set_uint32(DEVICE(&s->a9mpcore), "num-cpu", EXYNOS4210_NCPUS);
244     busdev = SYS_BUS_DEVICE(&s->a9mpcore);
245     sysbus_realize(busdev, &error_fatal);
246     sysbus_mmio_map(busdev, 0, EXYNOS4210_SMP_PRIVATE_BASE_ADDR);
247     for (n = 0; n < EXYNOS4210_NCPUS; n++) {
248         sysbus_connect_irq(busdev, n,
249                            qdev_get_gpio_in(DEVICE(&s->cpu_irq_orgate[n]), 0));
250     }
251 
252     /* Cache controller */
253     sysbus_create_simple("l2x0", EXYNOS4210_L2X0_BASE_ADDR, NULL);
254 
255     /* External GIC */
256     dev = qdev_new("exynos4210.gic");
257     qdev_prop_set_uint32(dev, "num-cpu", EXYNOS4210_NCPUS);
258     busdev = SYS_BUS_DEVICE(dev);
259     sysbus_realize_and_unref(busdev, &error_fatal);
260     /* Map CPU interface */
261     sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_GIC_CPU_BASE_ADDR);
262     /* Map Distributer interface */
263     sysbus_mmio_map(busdev, 1, EXYNOS4210_EXT_GIC_DIST_BASE_ADDR);
264     for (n = 0; n < EXYNOS4210_NCPUS; n++) {
265         sysbus_connect_irq(busdev, n,
266                            qdev_get_gpio_in(DEVICE(&s->cpu_irq_orgate[n]), 1));
267     }
268     for (n = 0; n < EXYNOS4210_EXT_GIC_NIRQ; n++) {
269         s->irqs.ext_gic_irq[n] = qdev_get_gpio_in(dev, n);
270     }
271 
272     /* Internal Interrupt Combiner */
273     dev = qdev_new("exynos4210.combiner");
274     busdev = SYS_BUS_DEVICE(dev);
275     sysbus_realize_and_unref(busdev, &error_fatal);
276     for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
277         sysbus_connect_irq(busdev, n,
278                            qdev_get_gpio_in(DEVICE(&s->a9mpcore), n));
279     }
280     exynos4210_combiner_get_gpioin(&s->irqs, dev, 0);
281     sysbus_mmio_map(busdev, 0, EXYNOS4210_INT_COMBINER_BASE_ADDR);
282 
283     /* External Interrupt Combiner */
284     dev = qdev_new("exynos4210.combiner");
285     qdev_prop_set_uint32(dev, "external", 1);
286     busdev = SYS_BUS_DEVICE(dev);
287     sysbus_realize_and_unref(busdev, &error_fatal);
288     for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
289         sysbus_connect_irq(busdev, n, s->irqs.ext_gic_irq[n]);
290     }
291     exynos4210_combiner_get_gpioin(&s->irqs, dev, 1);
292     sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_COMBINER_BASE_ADDR);
293 
294     /* Initialize board IRQs. */
295     exynos4210_init_board_irqs(s);
296 
297     /*** Memory ***/
298 
299     /* Chip-ID and OMR */
300     memory_region_init_io(&s->chipid_mem, OBJECT(socdev),
301                           &exynos4210_chipid_and_omr_ops, NULL,
302                           "exynos4210.chipid", sizeof(chipid_and_omr));
303     memory_region_add_subregion(system_mem, EXYNOS4210_CHIPID_ADDR,
304                                 &s->chipid_mem);
305 
306     /* Internal ROM */
307     memory_region_init_rom(&s->irom_mem, OBJECT(socdev), "exynos4210.irom",
308                            EXYNOS4210_IROM_SIZE, &error_fatal);
309     memory_region_add_subregion(system_mem, EXYNOS4210_IROM_BASE_ADDR,
310                                 &s->irom_mem);
311     /* mirror of iROM */
312     memory_region_init_alias(&s->irom_alias_mem, OBJECT(socdev),
313                              "exynos4210.irom_alias", &s->irom_mem, 0,
314                              EXYNOS4210_IROM_SIZE);
315     memory_region_add_subregion(system_mem, EXYNOS4210_IROM_MIRROR_BASE_ADDR,
316                                 &s->irom_alias_mem);
317 
318     /* Internal RAM */
319     memory_region_init_ram(&s->iram_mem, NULL, "exynos4210.iram",
320                            EXYNOS4210_IRAM_SIZE, &error_fatal);
321     memory_region_add_subregion(system_mem, EXYNOS4210_IRAM_BASE_ADDR,
322                                 &s->iram_mem);
323 
324    /* PMU.
325     * The only reason of existence at the moment is that secondary CPU boot
326     * loader uses PMU INFORM5 register as a holding pen.
327     */
328     sysbus_create_simple("exynos4210.pmu", EXYNOS4210_PMU_BASE_ADDR, NULL);
329 
330     sysbus_create_simple("exynos4210.clk", EXYNOS4210_CLK_BASE_ADDR, NULL);
331     sysbus_create_simple("exynos4210.rng", EXYNOS4210_RNG_BASE_ADDR, NULL);
332 
333     /* PWM */
334     sysbus_create_varargs("exynos4210.pwm", EXYNOS4210_PWM_BASE_ADDR,
335                           s->irq_table[exynos4210_get_irq(22, 0)],
336                           s->irq_table[exynos4210_get_irq(22, 1)],
337                           s->irq_table[exynos4210_get_irq(22, 2)],
338                           s->irq_table[exynos4210_get_irq(22, 3)],
339                           s->irq_table[exynos4210_get_irq(22, 4)],
340                           NULL);
341     /* RTC */
342     sysbus_create_varargs("exynos4210.rtc", EXYNOS4210_RTC_BASE_ADDR,
343                           s->irq_table[exynos4210_get_irq(23, 0)],
344                           s->irq_table[exynos4210_get_irq(23, 1)],
345                           NULL);
346 
347     /* Multi Core Timer */
348     dev = qdev_new("exynos4210.mct");
349     busdev = SYS_BUS_DEVICE(dev);
350     sysbus_realize_and_unref(busdev, &error_fatal);
351     for (n = 0; n < 4; n++) {
352         /* Connect global timer interrupts to Combiner gpio_in */
353         sysbus_connect_irq(busdev, n,
354                 s->irq_table[exynos4210_get_irq(1, 4 + n)]);
355     }
356     /* Connect local timer interrupts to Combiner gpio_in */
357     sysbus_connect_irq(busdev, 4,
358             s->irq_table[exynos4210_get_irq(51, 0)]);
359     sysbus_connect_irq(busdev, 5,
360             s->irq_table[exynos4210_get_irq(35, 3)]);
361     sysbus_mmio_map(busdev, 0, EXYNOS4210_MCT_BASE_ADDR);
362 
363     /*** I2C ***/
364     for (n = 0; n < EXYNOS4210_I2C_NUMBER; n++) {
365         uint32_t addr = EXYNOS4210_I2C_BASE_ADDR + EXYNOS4210_I2C_SHIFT * n;
366         qemu_irq i2c_irq;
367 
368         if (n < 8) {
369             i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_I2C_INTG, n)];
370         } else {
371             i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_HDMI_INTG, 1)];
372         }
373 
374         dev = qdev_new("exynos4210.i2c");
375         busdev = SYS_BUS_DEVICE(dev);
376         sysbus_realize_and_unref(busdev, &error_fatal);
377         sysbus_connect_irq(busdev, 0, i2c_irq);
378         sysbus_mmio_map(busdev, 0, addr);
379         s->i2c_if[n] = (I2CBus *)qdev_get_child_bus(dev, "i2c");
380     }
381 
382 
383     /*** UARTs ***/
384     uart[0] = exynos4210_uart_create(EXYNOS4210_UART0_BASE_ADDR,
385                            EXYNOS4210_UART0_FIFO_SIZE, 0, serial_hd(0),
386                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 0)]);
387 
388     uart[1] = exynos4210_uart_create(EXYNOS4210_UART1_BASE_ADDR,
389                            EXYNOS4210_UART1_FIFO_SIZE, 1, serial_hd(1),
390                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 1)]);
391 
392     uart[2] = exynos4210_uart_create(EXYNOS4210_UART2_BASE_ADDR,
393                            EXYNOS4210_UART2_FIFO_SIZE, 2, serial_hd(2),
394                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 2)]);
395 
396     uart[3] = exynos4210_uart_create(EXYNOS4210_UART3_BASE_ADDR,
397                            EXYNOS4210_UART3_FIFO_SIZE, 3, serial_hd(3),
398                   s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 3)]);
399 
400     /*** SD/MMC host controllers ***/
401     for (n = 0; n < EXYNOS4210_SDHCI_NUMBER; n++) {
402         DeviceState *carddev;
403         BlockBackend *blk;
404         DriveInfo *di;
405 
406         /* Compatible with:
407          * - SD Host Controller Specification Version 2.0
408          * - SDIO Specification Version 2.0
409          * - MMC Specification Version 4.3
410          * - SDMA
411          * - ADMA2
412          *
413          * As this part of the Exynos4210 is not publically available,
414          * we used the "HS-MMC Controller S3C2416X RISC Microprocessor"
415          * public datasheet which is very similar (implementing
416          * MMC Specification Version 4.0 being the only difference noted)
417          */
418         dev = qdev_new(TYPE_S3C_SDHCI);
419         qdev_prop_set_uint64(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES);
420 
421         busdev = SYS_BUS_DEVICE(dev);
422         sysbus_realize_and_unref(busdev, &error_fatal);
423         sysbus_mmio_map(busdev, 0, EXYNOS4210_SDHCI_ADDR(n));
424         sysbus_connect_irq(busdev, 0, s->irq_table[exynos4210_get_irq(29, n)]);
425 
426         di = drive_get(IF_SD, 0, n);
427         blk = di ? blk_by_legacy_dinfo(di) : NULL;
428         carddev = qdev_new(TYPE_SD_CARD);
429         qdev_prop_set_drive(carddev, "drive", blk);
430         qdev_realize_and_unref(carddev, qdev_get_child_bus(dev, "sd-bus"),
431                                &error_fatal);
432     }
433 
434     /*** Display controller (FIMD) ***/
435     sysbus_create_varargs("exynos4210.fimd", EXYNOS4210_FIMD0_BASE_ADDR,
436             s->irq_table[exynos4210_get_irq(11, 0)],
437             s->irq_table[exynos4210_get_irq(11, 1)],
438             s->irq_table[exynos4210_get_irq(11, 2)],
439             NULL);
440 
441     sysbus_create_simple(TYPE_EXYNOS4210_EHCI, EXYNOS4210_EHCI_BASE_ADDR,
442             s->irq_table[exynos4210_get_irq(28, 3)]);
443 
444     /*** DMA controllers ***/
445     pl330[0] = pl330_create(EXYNOS4210_PL330_BASE0_ADDR,
446                             &s->pl330_irq_orgate[0],
447                             s->irq_table[exynos4210_get_irq(21, 0)],
448                             32, 32, 32);
449     pl330[1] = pl330_create(EXYNOS4210_PL330_BASE1_ADDR,
450                             &s->pl330_irq_orgate[1],
451                             s->irq_table[exynos4210_get_irq(21, 1)],
452                             32, 32, 32);
453     pl330[2] = pl330_create(EXYNOS4210_PL330_BASE2_ADDR,
454                             &s->pl330_irq_orgate[2],
455                             s->irq_table[exynos4210_get_irq(20, 1)],
456                             1, 31, 64);
457 
458     sysbus_connect_irq(SYS_BUS_DEVICE(uart[0]), 1,
459                        qdev_get_gpio_in(pl330[0], 15));
460     sysbus_connect_irq(SYS_BUS_DEVICE(uart[1]), 1,
461                        qdev_get_gpio_in(pl330[1], 15));
462     sysbus_connect_irq(SYS_BUS_DEVICE(uart[2]), 1,
463                        qdev_get_gpio_in(pl330[0], 17));
464     sysbus_connect_irq(SYS_BUS_DEVICE(uart[3]), 1,
465                        qdev_get_gpio_in(pl330[1], 17));
466 }
467 
468 static void exynos4210_init(Object *obj)
469 {
470     Exynos4210State *s = EXYNOS4210_SOC(obj);
471     int i;
472 
473     for (i = 0; i < ARRAY_SIZE(s->pl330_irq_orgate); i++) {
474         char *name = g_strdup_printf("pl330-irq-orgate%d", i);
475         qemu_or_irq *orgate = &s->pl330_irq_orgate[i];
476 
477         object_initialize_child(obj, name, orgate, TYPE_OR_IRQ);
478         g_free(name);
479     }
480 
481     for (i = 0; i < ARRAY_SIZE(s->cpu_irq_orgate); i++) {
482         g_autofree char *name = g_strdup_printf("cpu-irq-orgate%d", i);
483         object_initialize_child(obj, name, &s->cpu_irq_orgate[i], TYPE_OR_IRQ);
484     }
485 
486     object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
487 }
488 
489 static void exynos4210_class_init(ObjectClass *klass, void *data)
490 {
491     DeviceClass *dc = DEVICE_CLASS(klass);
492 
493     dc->realize = exynos4210_realize;
494 }
495 
496 static const TypeInfo exynos4210_info = {
497     .name = TYPE_EXYNOS4210_SOC,
498     .parent = TYPE_SYS_BUS_DEVICE,
499     .instance_size = sizeof(Exynos4210State),
500     .instance_init = exynos4210_init,
501     .class_init = exynos4210_class_init,
502 };
503 
504 static void exynos4210_register_types(void)
505 {
506     type_register_static(&exynos4210_info);
507 }
508 
509 type_init(exynos4210_register_types)
510