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