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 "exec/tswap.h"
27 #include "cpu.h"
28 #include "hw/cpu/a9mpcore.h"
29 #include "hw/irq.h"
30 #include "system/blockdev.h"
31 #include "system/system.h"
32 #include "hw/sysbus.h"
33 #include "hw/arm/boot.h"
34 #include "hw/loader.h"
35 #include "hw/qdev-properties.h"
36 #include "hw/arm/exynos4210.h"
37 #include "hw/sd/sdhci.h"
38 #include "hw/usb/hcd-ehci.h"
39 #include "target/arm/cpu-qom.h"
40
41 #define EXYNOS4210_CHIPID_ADDR 0x10000000
42
43 /* PWM */
44 #define EXYNOS4210_PWM_BASE_ADDR 0x139D0000
45
46 /* RTC */
47 #define EXYNOS4210_RTC_BASE_ADDR 0x10070000
48
49 /* MCT */
50 #define EXYNOS4210_MCT_BASE_ADDR 0x10050000
51
52 /* I2C */
53 #define EXYNOS4210_I2C_SHIFT 0x00010000
54 #define EXYNOS4210_I2C_BASE_ADDR 0x13860000
55 /* Interrupt Group of External Interrupt Combiner for I2C */
56 #define EXYNOS4210_I2C_INTG 27
57 #define EXYNOS4210_HDMI_INTG 16
58
59 /* UART's definitions */
60 #define EXYNOS4210_UART0_BASE_ADDR 0x13800000
61 #define EXYNOS4210_UART1_BASE_ADDR 0x13810000
62 #define EXYNOS4210_UART2_BASE_ADDR 0x13820000
63 #define EXYNOS4210_UART3_BASE_ADDR 0x13830000
64 #define EXYNOS4210_UART0_FIFO_SIZE 256
65 #define EXYNOS4210_UART1_FIFO_SIZE 64
66 #define EXYNOS4210_UART2_FIFO_SIZE 16
67 #define EXYNOS4210_UART3_FIFO_SIZE 16
68 /* Interrupt Group of External Interrupt Combiner for UART */
69 #define EXYNOS4210_UART_INT_GRP 26
70
71 /* External GIC */
72 #define EXYNOS4210_EXT_GIC_CPU_BASE_ADDR 0x10480000
73 #define EXYNOS4210_EXT_GIC_DIST_BASE_ADDR 0x10490000
74
75 /* Combiner */
76 #define EXYNOS4210_EXT_COMBINER_BASE_ADDR 0x10440000
77 #define EXYNOS4210_INT_COMBINER_BASE_ADDR 0x10448000
78
79 /* SD/MMC host controllers */
80 #define EXYNOS4210_SDHCI_CAPABILITIES 0x05E80080
81 #define EXYNOS4210_SDHCI_BASE_ADDR 0x12510000
82 #define EXYNOS4210_SDHCI_ADDR(n) (EXYNOS4210_SDHCI_BASE_ADDR + \
83 0x00010000 * (n))
84 #define EXYNOS4210_SDHCI_NUMBER 4
85
86 /* PMU SFR base address */
87 #define EXYNOS4210_PMU_BASE_ADDR 0x10020000
88
89 /* Clock controller SFR base address */
90 #define EXYNOS4210_CLK_BASE_ADDR 0x10030000
91
92 /* PRNG/HASH SFR base address */
93 #define EXYNOS4210_RNG_BASE_ADDR 0x10830400
94
95 /* Display controllers (FIMD) */
96 #define EXYNOS4210_FIMD0_BASE_ADDR 0x11C00000
97
98 /* EHCI */
99 #define EXYNOS4210_EHCI_BASE_ADDR 0x12580000
100
101 /* DMA */
102 #define EXYNOS4210_PL330_BASE0_ADDR 0x12680000
103 #define EXYNOS4210_PL330_BASE1_ADDR 0x12690000
104 #define EXYNOS4210_PL330_BASE2_ADDR 0x12850000
105
106 #define GIC_EXT_IRQS 64 /* FIXME: verify for this SoC */
107
108 enum ExtGicId {
109 EXT_GIC_ID_MDMA_LCD0 = 66,
110 EXT_GIC_ID_PDMA0,
111 EXT_GIC_ID_PDMA1,
112 EXT_GIC_ID_TIMER0,
113 EXT_GIC_ID_TIMER1,
114 EXT_GIC_ID_TIMER2,
115 EXT_GIC_ID_TIMER3,
116 EXT_GIC_ID_TIMER4,
117 EXT_GIC_ID_MCT_L0,
118 EXT_GIC_ID_WDT,
119 EXT_GIC_ID_RTC_ALARM,
120 EXT_GIC_ID_RTC_TIC,
121 EXT_GIC_ID_GPIO_XB,
122 EXT_GIC_ID_GPIO_XA,
123 EXT_GIC_ID_MCT_L1,
124 EXT_GIC_ID_IEM_APC,
125 EXT_GIC_ID_IEM_IEC,
126 EXT_GIC_ID_NFC,
127 EXT_GIC_ID_UART0,
128 EXT_GIC_ID_UART1,
129 EXT_GIC_ID_UART2,
130 EXT_GIC_ID_UART3,
131 EXT_GIC_ID_UART4,
132 EXT_GIC_ID_MCT_G0,
133 EXT_GIC_ID_I2C0,
134 EXT_GIC_ID_I2C1,
135 EXT_GIC_ID_I2C2,
136 EXT_GIC_ID_I2C3,
137 EXT_GIC_ID_I2C4,
138 EXT_GIC_ID_I2C5,
139 EXT_GIC_ID_I2C6,
140 EXT_GIC_ID_I2C7,
141 EXT_GIC_ID_SPI0,
142 EXT_GIC_ID_SPI1,
143 EXT_GIC_ID_SPI2,
144 EXT_GIC_ID_MCT_G1,
145 EXT_GIC_ID_USB_HOST,
146 EXT_GIC_ID_USB_DEVICE,
147 EXT_GIC_ID_MODEMIF,
148 EXT_GIC_ID_HSMMC0,
149 EXT_GIC_ID_HSMMC1,
150 EXT_GIC_ID_HSMMC2,
151 EXT_GIC_ID_HSMMC3,
152 EXT_GIC_ID_SDMMC,
153 EXT_GIC_ID_MIPI_CSI_4LANE,
154 EXT_GIC_ID_MIPI_DSI_4LANE,
155 EXT_GIC_ID_MIPI_CSI_2LANE,
156 EXT_GIC_ID_MIPI_DSI_2LANE,
157 EXT_GIC_ID_ONENAND_AUDI,
158 EXT_GIC_ID_ROTATOR,
159 EXT_GIC_ID_FIMC0,
160 EXT_GIC_ID_FIMC1,
161 EXT_GIC_ID_FIMC2,
162 EXT_GIC_ID_FIMC3,
163 EXT_GIC_ID_JPEG,
164 EXT_GIC_ID_2D,
165 EXT_GIC_ID_PCIe,
166 EXT_GIC_ID_MIXER,
167 EXT_GIC_ID_HDMI,
168 EXT_GIC_ID_HDMI_I2C,
169 EXT_GIC_ID_MFC,
170 EXT_GIC_ID_TVENC,
171 };
172
173 enum ExtInt {
174 EXT_GIC_ID_EXTINT0 = 48,
175 EXT_GIC_ID_EXTINT1,
176 EXT_GIC_ID_EXTINT2,
177 EXT_GIC_ID_EXTINT3,
178 EXT_GIC_ID_EXTINT4,
179 EXT_GIC_ID_EXTINT5,
180 EXT_GIC_ID_EXTINT6,
181 EXT_GIC_ID_EXTINT7,
182 EXT_GIC_ID_EXTINT8,
183 EXT_GIC_ID_EXTINT9,
184 EXT_GIC_ID_EXTINT10,
185 EXT_GIC_ID_EXTINT11,
186 EXT_GIC_ID_EXTINT12,
187 EXT_GIC_ID_EXTINT13,
188 EXT_GIC_ID_EXTINT14,
189 EXT_GIC_ID_EXTINT15
190 };
191
192 /*
193 * External GIC sources which are not from External Interrupt Combiner or
194 * External Interrupts are starting from EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ,
195 * which is INTG16 in Internal Interrupt Combiner.
196 */
197
198 static const uint32_t
199 combiner_grp_to_gic_id[64 - EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ][8] = {
200 /* int combiner groups 16-19 */
201 { }, { }, { }, { },
202 /* int combiner group 20 */
203 { 0, EXT_GIC_ID_MDMA_LCD0 },
204 /* int combiner group 21 */
205 { EXT_GIC_ID_PDMA0, EXT_GIC_ID_PDMA1 },
206 /* int combiner group 22 */
207 { EXT_GIC_ID_TIMER0, EXT_GIC_ID_TIMER1, EXT_GIC_ID_TIMER2,
208 EXT_GIC_ID_TIMER3, EXT_GIC_ID_TIMER4 },
209 /* int combiner group 23 */
210 { EXT_GIC_ID_RTC_ALARM, EXT_GIC_ID_RTC_TIC },
211 /* int combiner group 24 */
212 { EXT_GIC_ID_GPIO_XB, EXT_GIC_ID_GPIO_XA },
213 /* int combiner group 25 */
214 { EXT_GIC_ID_IEM_APC, EXT_GIC_ID_IEM_IEC },
215 /* int combiner group 26 */
216 { EXT_GIC_ID_UART0, EXT_GIC_ID_UART1, EXT_GIC_ID_UART2, EXT_GIC_ID_UART3,
217 EXT_GIC_ID_UART4 },
218 /* int combiner group 27 */
219 { EXT_GIC_ID_I2C0, EXT_GIC_ID_I2C1, EXT_GIC_ID_I2C2, EXT_GIC_ID_I2C3,
220 EXT_GIC_ID_I2C4, EXT_GIC_ID_I2C5, EXT_GIC_ID_I2C6,
221 EXT_GIC_ID_I2C7 },
222 /* int combiner group 28 */
223 { EXT_GIC_ID_SPI0, EXT_GIC_ID_SPI1, EXT_GIC_ID_SPI2 , EXT_GIC_ID_USB_HOST},
224 /* int combiner group 29 */
225 { EXT_GIC_ID_HSMMC0, EXT_GIC_ID_HSMMC1, EXT_GIC_ID_HSMMC2,
226 EXT_GIC_ID_HSMMC3, EXT_GIC_ID_SDMMC },
227 /* int combiner group 30 */
228 { EXT_GIC_ID_MIPI_CSI_4LANE, EXT_GIC_ID_MIPI_CSI_2LANE },
229 /* int combiner group 31 */
230 { EXT_GIC_ID_MIPI_DSI_4LANE, EXT_GIC_ID_MIPI_DSI_2LANE },
231 /* int combiner group 32 */
232 { EXT_GIC_ID_FIMC0, EXT_GIC_ID_FIMC1 },
233 /* int combiner group 33 */
234 { EXT_GIC_ID_FIMC2, EXT_GIC_ID_FIMC3 },
235 /* int combiner group 34 */
236 { EXT_GIC_ID_ONENAND_AUDI, EXT_GIC_ID_NFC },
237 /* int combiner group 35 */
238 { 0, 0, 0, EXT_GIC_ID_MCT_L1 },
239 /* int combiner group 36 */
240 { EXT_GIC_ID_MIXER },
241 /* int combiner group 37 */
242 { EXT_GIC_ID_EXTINT4, EXT_GIC_ID_EXTINT5, EXT_GIC_ID_EXTINT6,
243 EXT_GIC_ID_EXTINT7 },
244 /* groups 38-50 */
245 { }, { }, { }, { }, { }, { }, { }, { }, { }, { }, { }, { }, { },
246 /* int combiner group 51 */
247 { EXT_GIC_ID_MCT_L0 },
248 /* group 52 */
249 { },
250 /* int combiner group 53 */
251 { EXT_GIC_ID_WDT },
252 /* groups 54-63 */
253 { }, { }, { }, { }, { }, { }, { }, { }, { }, { }
254 };
255
256 #define EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit) ((grp) * 8 + (bit))
257 #define EXYNOS4210_COMBINER_GET_GRP_NUM(irq) ((irq) / 8)
258 #define EXYNOS4210_COMBINER_GET_BIT_NUM(irq) \
259 ((irq) - 8 * EXYNOS4210_COMBINER_GET_GRP_NUM(irq))
260
261 /*
262 * Some interrupt lines go to multiple combiner inputs.
263 * This data structure defines those: each array element is
264 * a list of combiner inputs which are connected together;
265 * the one with the smallest interrupt ID value must be first.
266 * As with combiner_grp_to_gic_id[], we rely on (0, 0) not being
267 * wired to anything so we can use 0 as a terminator.
268 */
269 #define IRQNO(G, B) EXYNOS4210_COMBINER_GET_IRQ_NUM(G, B)
270 #define IRQNONE 0
271
272 #define COMBINERMAP_SIZE 16
273
274 static const int combinermap[COMBINERMAP_SIZE][6] = {
275 /* MDNIE_LCD1 */
276 { IRQNO(0, 4), IRQNO(1, 0), IRQNONE },
277 { IRQNO(0, 5), IRQNO(1, 1), IRQNONE },
278 { IRQNO(0, 6), IRQNO(1, 2), IRQNONE },
279 { IRQNO(0, 7), IRQNO(1, 3), IRQNONE },
280 /* TMU */
281 { IRQNO(2, 4), IRQNO(3, 4), IRQNONE },
282 { IRQNO(2, 5), IRQNO(3, 5), IRQNONE },
283 { IRQNO(2, 6), IRQNO(3, 6), IRQNONE },
284 { IRQNO(2, 7), IRQNO(3, 7), IRQNONE },
285 /* LCD1 */
286 { IRQNO(11, 4), IRQNO(12, 0), IRQNONE },
287 { IRQNO(11, 5), IRQNO(12, 1), IRQNONE },
288 { IRQNO(11, 6), IRQNO(12, 2), IRQNONE },
289 { IRQNO(11, 7), IRQNO(12, 3), IRQNONE },
290 /* Multi-core timer */
291 { IRQNO(1, 4), IRQNO(12, 4), IRQNO(35, 4), IRQNO(51, 4), IRQNO(53, 4), IRQNONE },
292 { IRQNO(1, 5), IRQNO(12, 5), IRQNO(35, 5), IRQNO(51, 5), IRQNO(53, 5), IRQNONE },
293 { IRQNO(1, 6), IRQNO(12, 6), IRQNO(35, 6), IRQNO(51, 6), IRQNO(53, 6), IRQNONE },
294 { IRQNO(1, 7), IRQNO(12, 7), IRQNO(35, 7), IRQNO(51, 7), IRQNO(53, 7), IRQNONE },
295 };
296
297 #undef IRQNO
298
combinermap_entry(int irq)299 static const int *combinermap_entry(int irq)
300 {
301 /*
302 * If the interrupt number passed in is the first entry in some
303 * line of the combinermap, return a pointer to that line;
304 * otherwise return NULL.
305 */
306 int i;
307 for (i = 0; i < COMBINERMAP_SIZE; i++) {
308 if (combinermap[i][0] == irq) {
309 return combinermap[i];
310 }
311 }
312 return NULL;
313 }
314
mapline_size(const int * mapline)315 static int mapline_size(const int *mapline)
316 {
317 /* Return number of entries in this mapline in total */
318 int i = 0;
319
320 if (!mapline) {
321 /* Not in the map? IRQ goes to exactly one combiner input */
322 return 1;
323 }
324 while (*mapline != IRQNONE) {
325 mapline++;
326 i++;
327 }
328 return i;
329 }
330
331 /*
332 * Initialize board IRQs.
333 * These IRQs contain split Int/External Combiner and External Gic IRQs.
334 */
exynos4210_init_board_irqs(Exynos4210State * s)335 static void exynos4210_init_board_irqs(Exynos4210State *s)
336 {
337 uint32_t grp, bit, irq_id, n;
338 DeviceState *extgicdev = DEVICE(&s->ext_gic);
339 DeviceState *intcdev = DEVICE(&s->int_combiner);
340 DeviceState *extcdev = DEVICE(&s->ext_combiner);
341 int splitcount = 0;
342 DeviceState *splitter;
343 const int *mapline;
344 int numlines, splitin, in;
345
346 for (n = 0; n < EXYNOS4210_MAX_EXT_COMBINER_IN_IRQ; n++) {
347 irq_id = 0;
348 if (n == EXYNOS4210_COMBINER_GET_IRQ_NUM(1, 4)) {
349 /* MCT_G0 is passed to External GIC */
350 irq_id = EXT_GIC_ID_MCT_G0;
351 }
352 if (n == EXYNOS4210_COMBINER_GET_IRQ_NUM(1, 5)) {
353 /* MCT_G1 is passed to External and GIC */
354 irq_id = EXT_GIC_ID_MCT_G1;
355 }
356
357 if (s->irq_table[n]) {
358 /*
359 * This must be some non-first entry in a combinermap line,
360 * and we've already filled it in.
361 */
362 continue;
363 }
364 mapline = combinermap_entry(n);
365 /*
366 * We need to connect the IRQ to multiple inputs on both combiners
367 * and possibly also to the external GIC.
368 */
369 numlines = 2 * mapline_size(mapline);
370 if (irq_id) {
371 numlines++;
372 }
373 assert(splitcount < EXYNOS4210_NUM_SPLITTERS);
374 splitter = DEVICE(&s->splitter[splitcount]);
375 qdev_prop_set_uint16(splitter, "num-lines", numlines);
376 qdev_realize(splitter, NULL, &error_abort);
377 splitcount++;
378
379 in = n;
380 splitin = 0;
381 for (;;) {
382 s->irq_table[in] = qdev_get_gpio_in(splitter, 0);
383 qdev_connect_gpio_out(splitter, splitin,
384 qdev_get_gpio_in(intcdev, in));
385 qdev_connect_gpio_out(splitter, splitin + 1,
386 qdev_get_gpio_in(extcdev, in));
387 splitin += 2;
388 if (!mapline) {
389 break;
390 }
391 mapline++;
392 in = *mapline;
393 if (in == IRQNONE) {
394 break;
395 }
396 }
397 if (irq_id) {
398 qdev_connect_gpio_out(splitter, splitin,
399 qdev_get_gpio_in(extgicdev,
400 irq_id - GIC_INTERNAL));
401 }
402 }
403 for (; n < EXYNOS4210_MAX_INT_COMBINER_IN_IRQ; n++) {
404 /* these IDs are passed to Internal Combiner and External GIC */
405 grp = EXYNOS4210_COMBINER_GET_GRP_NUM(n);
406 bit = EXYNOS4210_COMBINER_GET_BIT_NUM(n);
407 irq_id = combiner_grp_to_gic_id[grp -
408 EXYNOS4210_MAX_EXT_COMBINER_OUT_IRQ][bit];
409
410 if (s->irq_table[n]) {
411 /*
412 * This must be some non-first entry in a combinermap line,
413 * and we've already filled it in.
414 */
415 continue;
416 }
417
418 if (irq_id) {
419 assert(splitcount < EXYNOS4210_NUM_SPLITTERS);
420 splitter = DEVICE(&s->splitter[splitcount]);
421 qdev_prop_set_uint16(splitter, "num-lines", 2);
422 qdev_realize(splitter, NULL, &error_abort);
423 splitcount++;
424 s->irq_table[n] = qdev_get_gpio_in(splitter, 0);
425 qdev_connect_gpio_out(splitter, 0, qdev_get_gpio_in(intcdev, n));
426 qdev_connect_gpio_out(splitter, 1,
427 qdev_get_gpio_in(extgicdev,
428 irq_id - GIC_INTERNAL));
429 } else {
430 s->irq_table[n] = qdev_get_gpio_in(intcdev, n);
431 }
432 }
433 /*
434 * We check this here to avoid a more obscure assert later when
435 * qdev_assert_realized_properly() checks that we realized every
436 * child object we initialized.
437 */
438 assert(splitcount == EXYNOS4210_NUM_SPLITTERS);
439 }
440
441 /*
442 * Get IRQ number from exynos4210 IRQ subsystem stub.
443 * To identify IRQ source use internal combiner group and bit number
444 * grp - group number
445 * bit - bit number inside group
446 */
exynos4210_get_irq(uint32_t grp,uint32_t bit)447 uint32_t exynos4210_get_irq(uint32_t grp, uint32_t bit)
448 {
449 return EXYNOS4210_COMBINER_GET_IRQ_NUM(grp, bit);
450 }
451
452 static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
453 0x09, 0x00, 0x00, 0x00 };
454
exynos4210_chipid_and_omr_read(void * opaque,hwaddr offset,unsigned size)455 static uint64_t exynos4210_chipid_and_omr_read(void *opaque, hwaddr offset,
456 unsigned size)
457 {
458 assert(offset < sizeof(chipid_and_omr));
459 return chipid_and_omr[offset];
460 }
461
exynos4210_chipid_and_omr_write(void * opaque,hwaddr offset,uint64_t value,unsigned size)462 static void exynos4210_chipid_and_omr_write(void *opaque, hwaddr offset,
463 uint64_t value, unsigned size)
464 {
465 }
466
467 static const MemoryRegionOps exynos4210_chipid_and_omr_ops = {
468 .read = exynos4210_chipid_and_omr_read,
469 .write = exynos4210_chipid_and_omr_write,
470 .endianness = DEVICE_NATIVE_ENDIAN,
471 .impl = {
472 .max_access_size = 1,
473 }
474 };
475
exynos4210_write_secondary(ARMCPU * cpu,const struct arm_boot_info * info)476 void exynos4210_write_secondary(ARMCPU *cpu,
477 const struct arm_boot_info *info)
478 {
479 int n;
480 uint32_t smpboot[] = {
481 0xe59f3034, /* ldr r3, External gic_cpu_if */
482 0xe59f2034, /* ldr r2, Internal gic_cpu_if */
483 0xe59f0034, /* ldr r0, startaddr */
484 0xe3a01001, /* mov r1, #1 */
485 0xe5821000, /* str r1, [r2] */
486 0xe5831000, /* str r1, [r3] */
487 0xe3a010ff, /* mov r1, #0xff */
488 0xe5821004, /* str r1, [r2, #4] */
489 0xe5831004, /* str r1, [r3, #4] */
490 0xf57ff04f, /* dsb */
491 0xe320f003, /* wfi */
492 0xe5901000, /* ldr r1, [r0] */
493 0xe1110001, /* tst r1, r1 */
494 0x0afffffb, /* beq <wfi> */
495 0xe12fff11, /* bx r1 */
496 EXYNOS4210_EXT_GIC_CPU_BASE_ADDR,
497 0, /* gic_cpu_if: base address of Internal GIC CPU interface */
498 0 /* bootreg: Boot register address is held here */
499 };
500 smpboot[ARRAY_SIZE(smpboot) - 1] = info->smp_bootreg_addr;
501 smpboot[ARRAY_SIZE(smpboot) - 2] = info->gic_cpu_if_addr;
502 for (n = 0; n < ARRAY_SIZE(smpboot); n++) {
503 smpboot[n] = tswap32(smpboot[n]);
504 }
505 rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot),
506 info->smp_loader_start);
507 }
508
exynos4210_calc_affinity(int cpu)509 static uint64_t exynos4210_calc_affinity(int cpu)
510 {
511 /* Exynos4210 has 0x9 as cluster ID */
512 return (0x9 << ARM_AFF1_SHIFT) | cpu;
513 }
514
pl330_create(uint32_t base,OrIRQState * orgate,qemu_irq irq,int nreq,int nevents,int width)515 static DeviceState *pl330_create(uint32_t base, OrIRQState *orgate,
516 qemu_irq irq, int nreq, int nevents, int width)
517 {
518 SysBusDevice *busdev;
519 DeviceState *dev;
520 int i;
521
522 dev = qdev_new("pl330");
523 object_property_set_link(OBJECT(dev), "memory",
524 OBJECT(get_system_memory()),
525 &error_fatal);
526 qdev_prop_set_uint8(dev, "num_events", nevents);
527 qdev_prop_set_uint8(dev, "num_chnls", 8);
528 qdev_prop_set_uint8(dev, "num_periph_req", nreq);
529
530 qdev_prop_set_uint8(dev, "wr_cap", 4);
531 qdev_prop_set_uint8(dev, "wr_q_dep", 8);
532 qdev_prop_set_uint8(dev, "rd_cap", 4);
533 qdev_prop_set_uint8(dev, "rd_q_dep", 8);
534 qdev_prop_set_uint8(dev, "data_width", width);
535 qdev_prop_set_uint16(dev, "data_buffer_dep", width);
536 busdev = SYS_BUS_DEVICE(dev);
537 sysbus_realize_and_unref(busdev, &error_fatal);
538 sysbus_mmio_map(busdev, 0, base);
539
540 object_property_set_int(OBJECT(orgate), "num-lines", nevents + 1,
541 &error_abort);
542 qdev_realize(DEVICE(orgate), NULL, &error_abort);
543
544 for (i = 0; i < nevents + 1; i++) {
545 sysbus_connect_irq(busdev, i, qdev_get_gpio_in(DEVICE(orgate), i));
546 }
547 qdev_connect_gpio_out(DEVICE(orgate), 0, irq);
548 return dev;
549 }
550
exynos4210_realize(DeviceState * socdev,Error ** errp)551 static void exynos4210_realize(DeviceState *socdev, Error **errp)
552 {
553 Exynos4210State *s = EXYNOS4210_SOC(socdev);
554 MemoryRegion *system_mem = get_system_memory();
555 SysBusDevice *busdev;
556 DeviceState *dev, *uart[4], *pl330[3];
557 int i, n;
558
559 for (n = 0; n < EXYNOS4210_NCPUS; n++) {
560 Object *cpuobj = object_new(ARM_CPU_TYPE_NAME("cortex-a9"));
561
562 object_property_add_child(OBJECT(s), "cpu[*]", cpuobj);
563 /* By default A9 CPUs have EL3 enabled. This board does not currently
564 * support EL3 so the CPU EL3 property is disabled before realization.
565 */
566 if (object_property_find(cpuobj, "has_el3")) {
567 object_property_set_bool(cpuobj, "has_el3", false, &error_fatal);
568 }
569
570 s->cpu[n] = ARM_CPU(cpuobj);
571 object_property_set_int(cpuobj, "mp-affinity",
572 exynos4210_calc_affinity(n), &error_abort);
573 object_property_set_int(cpuobj, "reset-cbar",
574 EXYNOS4210_SMP_PRIVATE_BASE_ADDR,
575 &error_abort);
576 qdev_realize(DEVICE(cpuobj), NULL, &error_fatal);
577 }
578
579 /* IRQ Gate */
580 for (i = 0; i < EXYNOS4210_NCPUS; i++) {
581 DeviceState *orgate = DEVICE(&s->cpu_irq_orgate[i]);
582 object_property_set_int(OBJECT(orgate), "num-lines",
583 EXYNOS4210_IRQ_GATE_NINPUTS,
584 &error_abort);
585 qdev_realize(orgate, NULL, &error_abort);
586 qdev_connect_gpio_out(orgate, 0,
587 qdev_get_gpio_in(DEVICE(s->cpu[i]), ARM_CPU_IRQ));
588 }
589
590 /* Private memory region and Internal GIC */
591 qdev_prop_set_uint32(DEVICE(&s->a9mpcore), "num-cpu", EXYNOS4210_NCPUS);
592 qdev_prop_set_uint32(DEVICE(&s->a9mpcore), "num-irq",
593 GIC_EXT_IRQS + GIC_INTERNAL);
594 busdev = SYS_BUS_DEVICE(&s->a9mpcore);
595 sysbus_realize(busdev, &error_fatal);
596 sysbus_mmio_map(busdev, 0, EXYNOS4210_SMP_PRIVATE_BASE_ADDR);
597 for (n = 0; n < EXYNOS4210_NCPUS; n++) {
598 sysbus_connect_irq(busdev, n,
599 qdev_get_gpio_in(DEVICE(&s->cpu_irq_orgate[n]), 0));
600 }
601
602 /* Cache controller */
603 sysbus_create_simple("l2x0", EXYNOS4210_L2X0_BASE_ADDR, NULL);
604
605 /* External GIC */
606 qdev_prop_set_uint32(DEVICE(&s->ext_gic), "num-cpu", EXYNOS4210_NCPUS);
607 busdev = SYS_BUS_DEVICE(&s->ext_gic);
608 sysbus_realize(busdev, &error_fatal);
609 /* Map CPU interface */
610 sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_GIC_CPU_BASE_ADDR);
611 /* Map Distributer interface */
612 sysbus_mmio_map(busdev, 1, EXYNOS4210_EXT_GIC_DIST_BASE_ADDR);
613 for (n = 0; n < EXYNOS4210_NCPUS; n++) {
614 sysbus_connect_irq(busdev, n,
615 qdev_get_gpio_in(DEVICE(&s->cpu_irq_orgate[n]), 1));
616 }
617
618 /* Internal Interrupt Combiner */
619 busdev = SYS_BUS_DEVICE(&s->int_combiner);
620 sysbus_realize(busdev, &error_fatal);
621 for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
622 sysbus_connect_irq(busdev, n,
623 qdev_get_gpio_in(DEVICE(&s->a9mpcore), n));
624 }
625 sysbus_mmio_map(busdev, 0, EXYNOS4210_INT_COMBINER_BASE_ADDR);
626
627 /* External Interrupt Combiner */
628 qdev_prop_set_uint32(DEVICE(&s->ext_combiner), "external", 1);
629 busdev = SYS_BUS_DEVICE(&s->ext_combiner);
630 sysbus_realize(busdev, &error_fatal);
631 for (n = 0; n < EXYNOS4210_MAX_INT_COMBINER_OUT_IRQ; n++) {
632 sysbus_connect_irq(busdev, n, qdev_get_gpio_in(DEVICE(&s->ext_gic), n));
633 }
634 sysbus_mmio_map(busdev, 0, EXYNOS4210_EXT_COMBINER_BASE_ADDR);
635
636 /* Initialize board IRQs. */
637 exynos4210_init_board_irqs(s);
638
639 /*** Memory ***/
640
641 /* Chip-ID and OMR */
642 memory_region_init_io(&s->chipid_mem, OBJECT(socdev),
643 &exynos4210_chipid_and_omr_ops, NULL,
644 "exynos4210.chipid", sizeof(chipid_and_omr));
645 memory_region_add_subregion(system_mem, EXYNOS4210_CHIPID_ADDR,
646 &s->chipid_mem);
647
648 /* Internal ROM */
649 memory_region_init_rom(&s->irom_mem, OBJECT(socdev), "exynos4210.irom",
650 EXYNOS4210_IROM_SIZE, &error_fatal);
651 memory_region_add_subregion(system_mem, EXYNOS4210_IROM_BASE_ADDR,
652 &s->irom_mem);
653 /* mirror of iROM */
654 memory_region_init_alias(&s->irom_alias_mem, OBJECT(socdev),
655 "exynos4210.irom_alias", &s->irom_mem, 0,
656 EXYNOS4210_IROM_SIZE);
657 memory_region_add_subregion(system_mem, EXYNOS4210_IROM_MIRROR_BASE_ADDR,
658 &s->irom_alias_mem);
659
660 /* Internal RAM */
661 memory_region_init_ram(&s->iram_mem, NULL, "exynos4210.iram",
662 EXYNOS4210_IRAM_SIZE, &error_fatal);
663 memory_region_add_subregion(system_mem, EXYNOS4210_IRAM_BASE_ADDR,
664 &s->iram_mem);
665
666 /* PMU.
667 * The only reason of existence at the moment is that secondary CPU boot
668 * loader uses PMU INFORM5 register as a holding pen.
669 */
670 sysbus_create_simple("exynos4210.pmu", EXYNOS4210_PMU_BASE_ADDR, NULL);
671
672 sysbus_create_simple("exynos4210.clk", EXYNOS4210_CLK_BASE_ADDR, NULL);
673 sysbus_create_simple("exynos4210.rng", EXYNOS4210_RNG_BASE_ADDR, NULL);
674
675 /* PWM */
676 sysbus_create_varargs("exynos4210.pwm", EXYNOS4210_PWM_BASE_ADDR,
677 s->irq_table[exynos4210_get_irq(22, 0)],
678 s->irq_table[exynos4210_get_irq(22, 1)],
679 s->irq_table[exynos4210_get_irq(22, 2)],
680 s->irq_table[exynos4210_get_irq(22, 3)],
681 s->irq_table[exynos4210_get_irq(22, 4)],
682 NULL);
683 /* RTC */
684 sysbus_create_varargs("exynos4210.rtc", EXYNOS4210_RTC_BASE_ADDR,
685 s->irq_table[exynos4210_get_irq(23, 0)],
686 s->irq_table[exynos4210_get_irq(23, 1)],
687 NULL);
688
689 /* Multi Core Timer */
690 dev = qdev_new("exynos4210.mct");
691 busdev = SYS_BUS_DEVICE(dev);
692 sysbus_realize_and_unref(busdev, &error_fatal);
693 for (n = 0; n < 4; n++) {
694 /* Connect global timer interrupts to Combiner gpio_in */
695 sysbus_connect_irq(busdev, n,
696 s->irq_table[exynos4210_get_irq(1, 4 + n)]);
697 }
698 /* Connect local timer interrupts to Combiner gpio_in */
699 sysbus_connect_irq(busdev, 4,
700 s->irq_table[exynos4210_get_irq(51, 0)]);
701 sysbus_connect_irq(busdev, 5,
702 s->irq_table[exynos4210_get_irq(35, 3)]);
703 sysbus_mmio_map(busdev, 0, EXYNOS4210_MCT_BASE_ADDR);
704
705 /*** I2C ***/
706 for (n = 0; n < EXYNOS4210_I2C_NUMBER; n++) {
707 uint32_t addr = EXYNOS4210_I2C_BASE_ADDR + EXYNOS4210_I2C_SHIFT * n;
708 qemu_irq i2c_irq;
709
710 if (n < 8) {
711 i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_I2C_INTG, n)];
712 } else {
713 i2c_irq = s->irq_table[exynos4210_get_irq(EXYNOS4210_HDMI_INTG, 1)];
714 }
715
716 dev = qdev_new("exynos4210.i2c");
717 busdev = SYS_BUS_DEVICE(dev);
718 sysbus_realize_and_unref(busdev, &error_fatal);
719 sysbus_connect_irq(busdev, 0, i2c_irq);
720 sysbus_mmio_map(busdev, 0, addr);
721 s->i2c_if[n] = (I2CBus *)qdev_get_child_bus(dev, "i2c");
722 }
723
724
725 /*** UARTs ***/
726 uart[0] = exynos4210_uart_create(EXYNOS4210_UART0_BASE_ADDR,
727 EXYNOS4210_UART0_FIFO_SIZE, 0, serial_hd(0),
728 s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 0)]);
729
730 uart[1] = exynos4210_uart_create(EXYNOS4210_UART1_BASE_ADDR,
731 EXYNOS4210_UART1_FIFO_SIZE, 1, serial_hd(1),
732 s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 1)]);
733
734 uart[2] = exynos4210_uart_create(EXYNOS4210_UART2_BASE_ADDR,
735 EXYNOS4210_UART2_FIFO_SIZE, 2, serial_hd(2),
736 s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 2)]);
737
738 uart[3] = exynos4210_uart_create(EXYNOS4210_UART3_BASE_ADDR,
739 EXYNOS4210_UART3_FIFO_SIZE, 3, serial_hd(3),
740 s->irq_table[exynos4210_get_irq(EXYNOS4210_UART_INT_GRP, 3)]);
741
742 /*** SD/MMC host controllers ***/
743 for (n = 0; n < EXYNOS4210_SDHCI_NUMBER; n++) {
744 DeviceState *carddev;
745 BlockBackend *blk;
746 DriveInfo *di;
747
748 /* Compatible with:
749 * - SD Host Controller Specification Version 2.0
750 * - SDIO Specification Version 2.0
751 * - MMC Specification Version 4.3
752 * - SDMA
753 * - ADMA2
754 *
755 * As this part of the Exynos4210 is not publicly available,
756 * we used the "HS-MMC Controller S3C2416X RISC Microprocessor"
757 * public datasheet which is very similar (implementing
758 * MMC Specification Version 4.0 being the only difference noted)
759 */
760 dev = qdev_new(TYPE_S3C_SDHCI);
761 qdev_prop_set_uint64(dev, "capareg", EXYNOS4210_SDHCI_CAPABILITIES);
762
763 busdev = SYS_BUS_DEVICE(dev);
764 sysbus_realize_and_unref(busdev, &error_fatal);
765 sysbus_mmio_map(busdev, 0, EXYNOS4210_SDHCI_ADDR(n));
766 sysbus_connect_irq(busdev, 0, s->irq_table[exynos4210_get_irq(29, n)]);
767
768 di = drive_get(IF_SD, 0, n);
769 blk = di ? blk_by_legacy_dinfo(di) : NULL;
770 carddev = qdev_new(TYPE_SD_CARD);
771 qdev_prop_set_drive(carddev, "drive", blk);
772 qdev_realize_and_unref(carddev, qdev_get_child_bus(dev, "sd-bus"),
773 &error_fatal);
774 }
775
776 /*** Display controller (FIMD) ***/
777 dev = qdev_new("exynos4210.fimd");
778 object_property_set_link(OBJECT(dev), "framebuffer-memory",
779 OBJECT(system_mem), &error_fatal);
780 busdev = SYS_BUS_DEVICE(dev);
781 sysbus_realize_and_unref(busdev, &error_fatal);
782 sysbus_mmio_map(busdev, 0, EXYNOS4210_FIMD0_BASE_ADDR);
783 for (n = 0; n < 3; n++) {
784 sysbus_connect_irq(busdev, n, s->irq_table[exynos4210_get_irq(11, n)]);
785 }
786
787 sysbus_create_simple(TYPE_EXYNOS4210_EHCI, EXYNOS4210_EHCI_BASE_ADDR,
788 s->irq_table[exynos4210_get_irq(28, 3)]);
789
790 /*** DMA controllers ***/
791 pl330[0] = pl330_create(EXYNOS4210_PL330_BASE0_ADDR,
792 &s->pl330_irq_orgate[0],
793 s->irq_table[exynos4210_get_irq(21, 0)],
794 32, 32, 32);
795 pl330[1] = pl330_create(EXYNOS4210_PL330_BASE1_ADDR,
796 &s->pl330_irq_orgate[1],
797 s->irq_table[exynos4210_get_irq(21, 1)],
798 32, 32, 32);
799 pl330[2] = pl330_create(EXYNOS4210_PL330_BASE2_ADDR,
800 &s->pl330_irq_orgate[2],
801 s->irq_table[exynos4210_get_irq(20, 1)],
802 1, 31, 64);
803
804 sysbus_connect_irq(SYS_BUS_DEVICE(uart[0]), 1,
805 qdev_get_gpio_in(pl330[0], 15));
806 sysbus_connect_irq(SYS_BUS_DEVICE(uart[1]), 1,
807 qdev_get_gpio_in(pl330[1], 15));
808 sysbus_connect_irq(SYS_BUS_DEVICE(uart[2]), 1,
809 qdev_get_gpio_in(pl330[0], 17));
810 sysbus_connect_irq(SYS_BUS_DEVICE(uart[3]), 1,
811 qdev_get_gpio_in(pl330[1], 17));
812 }
813
exynos4210_init(Object * obj)814 static void exynos4210_init(Object *obj)
815 {
816 Exynos4210State *s = EXYNOS4210_SOC(obj);
817 int i;
818
819 for (i = 0; i < ARRAY_SIZE(s->pl330_irq_orgate); i++) {
820 char *name = g_strdup_printf("pl330-irq-orgate%d", i);
821 OrIRQState *orgate = &s->pl330_irq_orgate[i];
822
823 object_initialize_child(obj, name, orgate, TYPE_OR_IRQ);
824 g_free(name);
825 }
826
827 for (i = 0; i < ARRAY_SIZE(s->cpu_irq_orgate); i++) {
828 g_autofree char *name = g_strdup_printf("cpu-irq-orgate%d", i);
829 object_initialize_child(obj, name, &s->cpu_irq_orgate[i], TYPE_OR_IRQ);
830 }
831
832 for (i = 0; i < ARRAY_SIZE(s->splitter); i++) {
833 g_autofree char *name = g_strdup_printf("irq-splitter%d", i);
834 object_initialize_child(obj, name, &s->splitter[i], TYPE_SPLIT_IRQ);
835 }
836
837 object_initialize_child(obj, "a9mpcore", &s->a9mpcore, TYPE_A9MPCORE_PRIV);
838 object_initialize_child(obj, "ext-gic", &s->ext_gic, TYPE_EXYNOS4210_GIC);
839 object_initialize_child(obj, "int-combiner", &s->int_combiner,
840 TYPE_EXYNOS4210_COMBINER);
841 object_initialize_child(obj, "ext-combiner", &s->ext_combiner,
842 TYPE_EXYNOS4210_COMBINER);
843 }
844
exynos4210_class_init(ObjectClass * klass,const void * data)845 static void exynos4210_class_init(ObjectClass *klass, const void *data)
846 {
847 DeviceClass *dc = DEVICE_CLASS(klass);
848
849 dc->realize = exynos4210_realize;
850 }
851
852 static const TypeInfo exynos4210_info = {
853 .name = TYPE_EXYNOS4210_SOC,
854 .parent = TYPE_SYS_BUS_DEVICE,
855 .instance_size = sizeof(Exynos4210State),
856 .instance_init = exynos4210_init,
857 .class_init = exynos4210_class_init,
858 };
859
exynos4210_register_types(void)860 static void exynos4210_register_types(void)
861 {
862 type_register_static(&exynos4210_info);
863 }
864
865 type_init(exynos4210_register_types)
866