1 /* 2 * Marvell MV88W8618 / Freecom MusicPal emulation. 3 * 4 * Copyright (c) 2008 Jan Kiszka 5 * 6 * This code is licensed under the GNU GPL v2. 7 * 8 * Contributions after 2012-01-13 are licensed under the terms of the 9 * GNU GPL, version 2 or (at your option) any later version. 10 */ 11 12 #include "hw/sysbus.h" 13 #include "hw/arm/arm.h" 14 #include "hw/devices.h" 15 #include "net/net.h" 16 #include "sysemu/sysemu.h" 17 #include "hw/boards.h" 18 #include "hw/char/serial.h" 19 #include "qemu/timer.h" 20 #include "hw/ptimer.h" 21 #include "block/block.h" 22 #include "hw/block/flash.h" 23 #include "ui/console.h" 24 #include "hw/i2c/i2c.h" 25 #include "sysemu/blockdev.h" 26 #include "exec/address-spaces.h" 27 #include "ui/pixel_ops.h" 28 29 #define MP_MISC_BASE 0x80002000 30 #define MP_MISC_SIZE 0x00001000 31 32 #define MP_ETH_BASE 0x80008000 33 #define MP_ETH_SIZE 0x00001000 34 35 #define MP_WLAN_BASE 0x8000C000 36 #define MP_WLAN_SIZE 0x00000800 37 38 #define MP_UART1_BASE 0x8000C840 39 #define MP_UART2_BASE 0x8000C940 40 41 #define MP_GPIO_BASE 0x8000D000 42 #define MP_GPIO_SIZE 0x00001000 43 44 #define MP_FLASHCFG_BASE 0x90006000 45 #define MP_FLASHCFG_SIZE 0x00001000 46 47 #define MP_AUDIO_BASE 0x90007000 48 49 #define MP_PIC_BASE 0x90008000 50 #define MP_PIC_SIZE 0x00001000 51 52 #define MP_PIT_BASE 0x90009000 53 #define MP_PIT_SIZE 0x00001000 54 55 #define MP_LCD_BASE 0x9000c000 56 #define MP_LCD_SIZE 0x00001000 57 58 #define MP_SRAM_BASE 0xC0000000 59 #define MP_SRAM_SIZE 0x00020000 60 61 #define MP_RAM_DEFAULT_SIZE 32*1024*1024 62 #define MP_FLASH_SIZE_MAX 32*1024*1024 63 64 #define MP_TIMER1_IRQ 4 65 #define MP_TIMER2_IRQ 5 66 #define MP_TIMER3_IRQ 6 67 #define MP_TIMER4_IRQ 7 68 #define MP_EHCI_IRQ 8 69 #define MP_ETH_IRQ 9 70 #define MP_UART1_IRQ 11 71 #define MP_UART2_IRQ 11 72 #define MP_GPIO_IRQ 12 73 #define MP_RTC_IRQ 28 74 #define MP_AUDIO_IRQ 30 75 76 /* Wolfson 8750 I2C address */ 77 #define MP_WM_ADDR 0x1A 78 79 /* Ethernet register offsets */ 80 #define MP_ETH_SMIR 0x010 81 #define MP_ETH_PCXR 0x408 82 #define MP_ETH_SDCMR 0x448 83 #define MP_ETH_ICR 0x450 84 #define MP_ETH_IMR 0x458 85 #define MP_ETH_FRDP0 0x480 86 #define MP_ETH_FRDP1 0x484 87 #define MP_ETH_FRDP2 0x488 88 #define MP_ETH_FRDP3 0x48C 89 #define MP_ETH_CRDP0 0x4A0 90 #define MP_ETH_CRDP1 0x4A4 91 #define MP_ETH_CRDP2 0x4A8 92 #define MP_ETH_CRDP3 0x4AC 93 #define MP_ETH_CTDP0 0x4E0 94 #define MP_ETH_CTDP1 0x4E4 95 #define MP_ETH_CTDP2 0x4E8 96 #define MP_ETH_CTDP3 0x4EC 97 98 /* MII PHY access */ 99 #define MP_ETH_SMIR_DATA 0x0000FFFF 100 #define MP_ETH_SMIR_ADDR 0x03FF0000 101 #define MP_ETH_SMIR_OPCODE (1 << 26) /* Read value */ 102 #define MP_ETH_SMIR_RDVALID (1 << 27) 103 104 /* PHY registers */ 105 #define MP_ETH_PHY1_BMSR 0x00210000 106 #define MP_ETH_PHY1_PHYSID1 0x00410000 107 #define MP_ETH_PHY1_PHYSID2 0x00610000 108 109 #define MP_PHY_BMSR_LINK 0x0004 110 #define MP_PHY_BMSR_AUTONEG 0x0008 111 112 #define MP_PHY_88E3015 0x01410E20 113 114 /* TX descriptor status */ 115 #define MP_ETH_TX_OWN (1 << 31) 116 117 /* RX descriptor status */ 118 #define MP_ETH_RX_OWN (1 << 31) 119 120 /* Interrupt cause/mask bits */ 121 #define MP_ETH_IRQ_RX_BIT 0 122 #define MP_ETH_IRQ_RX (1 << MP_ETH_IRQ_RX_BIT) 123 #define MP_ETH_IRQ_TXHI_BIT 2 124 #define MP_ETH_IRQ_TXLO_BIT 3 125 126 /* Port config bits */ 127 #define MP_ETH_PCXR_2BSM_BIT 28 /* 2-byte incoming suffix */ 128 129 /* SDMA command bits */ 130 #define MP_ETH_CMD_TXHI (1 << 23) 131 #define MP_ETH_CMD_TXLO (1 << 22) 132 133 typedef struct mv88w8618_tx_desc { 134 uint32_t cmdstat; 135 uint16_t res; 136 uint16_t bytes; 137 uint32_t buffer; 138 uint32_t next; 139 } mv88w8618_tx_desc; 140 141 typedef struct mv88w8618_rx_desc { 142 uint32_t cmdstat; 143 uint16_t bytes; 144 uint16_t buffer_size; 145 uint32_t buffer; 146 uint32_t next; 147 } mv88w8618_rx_desc; 148 149 typedef struct mv88w8618_eth_state { 150 SysBusDevice busdev; 151 MemoryRegion iomem; 152 qemu_irq irq; 153 uint32_t smir; 154 uint32_t icr; 155 uint32_t imr; 156 int mmio_index; 157 uint32_t vlan_header; 158 uint32_t tx_queue[2]; 159 uint32_t rx_queue[4]; 160 uint32_t frx_queue[4]; 161 uint32_t cur_rx[4]; 162 NICState *nic; 163 NICConf conf; 164 } mv88w8618_eth_state; 165 166 static void eth_rx_desc_put(uint32_t addr, mv88w8618_rx_desc *desc) 167 { 168 cpu_to_le32s(&desc->cmdstat); 169 cpu_to_le16s(&desc->bytes); 170 cpu_to_le16s(&desc->buffer_size); 171 cpu_to_le32s(&desc->buffer); 172 cpu_to_le32s(&desc->next); 173 cpu_physical_memory_write(addr, desc, sizeof(*desc)); 174 } 175 176 static void eth_rx_desc_get(uint32_t addr, mv88w8618_rx_desc *desc) 177 { 178 cpu_physical_memory_read(addr, desc, sizeof(*desc)); 179 le32_to_cpus(&desc->cmdstat); 180 le16_to_cpus(&desc->bytes); 181 le16_to_cpus(&desc->buffer_size); 182 le32_to_cpus(&desc->buffer); 183 le32_to_cpus(&desc->next); 184 } 185 186 static int eth_can_receive(NetClientState *nc) 187 { 188 return 1; 189 } 190 191 static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size) 192 { 193 mv88w8618_eth_state *s = qemu_get_nic_opaque(nc); 194 uint32_t desc_addr; 195 mv88w8618_rx_desc desc; 196 int i; 197 198 for (i = 0; i < 4; i++) { 199 desc_addr = s->cur_rx[i]; 200 if (!desc_addr) { 201 continue; 202 } 203 do { 204 eth_rx_desc_get(desc_addr, &desc); 205 if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) { 206 cpu_physical_memory_write(desc.buffer + s->vlan_header, 207 buf, size); 208 desc.bytes = size + s->vlan_header; 209 desc.cmdstat &= ~MP_ETH_RX_OWN; 210 s->cur_rx[i] = desc.next; 211 212 s->icr |= MP_ETH_IRQ_RX; 213 if (s->icr & s->imr) { 214 qemu_irq_raise(s->irq); 215 } 216 eth_rx_desc_put(desc_addr, &desc); 217 return size; 218 } 219 desc_addr = desc.next; 220 } while (desc_addr != s->rx_queue[i]); 221 } 222 return size; 223 } 224 225 static void eth_tx_desc_put(uint32_t addr, mv88w8618_tx_desc *desc) 226 { 227 cpu_to_le32s(&desc->cmdstat); 228 cpu_to_le16s(&desc->res); 229 cpu_to_le16s(&desc->bytes); 230 cpu_to_le32s(&desc->buffer); 231 cpu_to_le32s(&desc->next); 232 cpu_physical_memory_write(addr, desc, sizeof(*desc)); 233 } 234 235 static void eth_tx_desc_get(uint32_t addr, mv88w8618_tx_desc *desc) 236 { 237 cpu_physical_memory_read(addr, desc, sizeof(*desc)); 238 le32_to_cpus(&desc->cmdstat); 239 le16_to_cpus(&desc->res); 240 le16_to_cpus(&desc->bytes); 241 le32_to_cpus(&desc->buffer); 242 le32_to_cpus(&desc->next); 243 } 244 245 static void eth_send(mv88w8618_eth_state *s, int queue_index) 246 { 247 uint32_t desc_addr = s->tx_queue[queue_index]; 248 mv88w8618_tx_desc desc; 249 uint32_t next_desc; 250 uint8_t buf[2048]; 251 int len; 252 253 do { 254 eth_tx_desc_get(desc_addr, &desc); 255 next_desc = desc.next; 256 if (desc.cmdstat & MP_ETH_TX_OWN) { 257 len = desc.bytes; 258 if (len < 2048) { 259 cpu_physical_memory_read(desc.buffer, buf, len); 260 qemu_send_packet(qemu_get_queue(s->nic), buf, len); 261 } 262 desc.cmdstat &= ~MP_ETH_TX_OWN; 263 s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index); 264 eth_tx_desc_put(desc_addr, &desc); 265 } 266 desc_addr = next_desc; 267 } while (desc_addr != s->tx_queue[queue_index]); 268 } 269 270 static uint64_t mv88w8618_eth_read(void *opaque, hwaddr offset, 271 unsigned size) 272 { 273 mv88w8618_eth_state *s = opaque; 274 275 switch (offset) { 276 case MP_ETH_SMIR: 277 if (s->smir & MP_ETH_SMIR_OPCODE) { 278 switch (s->smir & MP_ETH_SMIR_ADDR) { 279 case MP_ETH_PHY1_BMSR: 280 return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG | 281 MP_ETH_SMIR_RDVALID; 282 case MP_ETH_PHY1_PHYSID1: 283 return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID; 284 case MP_ETH_PHY1_PHYSID2: 285 return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID; 286 default: 287 return MP_ETH_SMIR_RDVALID; 288 } 289 } 290 return 0; 291 292 case MP_ETH_ICR: 293 return s->icr; 294 295 case MP_ETH_IMR: 296 return s->imr; 297 298 case MP_ETH_FRDP0 ... MP_ETH_FRDP3: 299 return s->frx_queue[(offset - MP_ETH_FRDP0)/4]; 300 301 case MP_ETH_CRDP0 ... MP_ETH_CRDP3: 302 return s->rx_queue[(offset - MP_ETH_CRDP0)/4]; 303 304 case MP_ETH_CTDP0 ... MP_ETH_CTDP3: 305 return s->tx_queue[(offset - MP_ETH_CTDP0)/4]; 306 307 default: 308 return 0; 309 } 310 } 311 312 static void mv88w8618_eth_write(void *opaque, hwaddr offset, 313 uint64_t value, unsigned size) 314 { 315 mv88w8618_eth_state *s = opaque; 316 317 switch (offset) { 318 case MP_ETH_SMIR: 319 s->smir = value; 320 break; 321 322 case MP_ETH_PCXR: 323 s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2; 324 break; 325 326 case MP_ETH_SDCMR: 327 if (value & MP_ETH_CMD_TXHI) { 328 eth_send(s, 1); 329 } 330 if (value & MP_ETH_CMD_TXLO) { 331 eth_send(s, 0); 332 } 333 if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) { 334 qemu_irq_raise(s->irq); 335 } 336 break; 337 338 case MP_ETH_ICR: 339 s->icr &= value; 340 break; 341 342 case MP_ETH_IMR: 343 s->imr = value; 344 if (s->icr & s->imr) { 345 qemu_irq_raise(s->irq); 346 } 347 break; 348 349 case MP_ETH_FRDP0 ... MP_ETH_FRDP3: 350 s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value; 351 break; 352 353 case MP_ETH_CRDP0 ... MP_ETH_CRDP3: 354 s->rx_queue[(offset - MP_ETH_CRDP0)/4] = 355 s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value; 356 break; 357 358 case MP_ETH_CTDP0 ... MP_ETH_CTDP3: 359 s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value; 360 break; 361 } 362 } 363 364 static const MemoryRegionOps mv88w8618_eth_ops = { 365 .read = mv88w8618_eth_read, 366 .write = mv88w8618_eth_write, 367 .endianness = DEVICE_NATIVE_ENDIAN, 368 }; 369 370 static void eth_cleanup(NetClientState *nc) 371 { 372 mv88w8618_eth_state *s = qemu_get_nic_opaque(nc); 373 374 s->nic = NULL; 375 } 376 377 static NetClientInfo net_mv88w8618_info = { 378 .type = NET_CLIENT_OPTIONS_KIND_NIC, 379 .size = sizeof(NICState), 380 .can_receive = eth_can_receive, 381 .receive = eth_receive, 382 .cleanup = eth_cleanup, 383 }; 384 385 static int mv88w8618_eth_init(SysBusDevice *dev) 386 { 387 mv88w8618_eth_state *s = FROM_SYSBUS(mv88w8618_eth_state, dev); 388 389 sysbus_init_irq(dev, &s->irq); 390 s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf, 391 object_get_typename(OBJECT(dev)), dev->qdev.id, s); 392 memory_region_init_io(&s->iomem, &mv88w8618_eth_ops, s, "mv88w8618-eth", 393 MP_ETH_SIZE); 394 sysbus_init_mmio(dev, &s->iomem); 395 return 0; 396 } 397 398 static const VMStateDescription mv88w8618_eth_vmsd = { 399 .name = "mv88w8618_eth", 400 .version_id = 1, 401 .minimum_version_id = 1, 402 .minimum_version_id_old = 1, 403 .fields = (VMStateField[]) { 404 VMSTATE_UINT32(smir, mv88w8618_eth_state), 405 VMSTATE_UINT32(icr, mv88w8618_eth_state), 406 VMSTATE_UINT32(imr, mv88w8618_eth_state), 407 VMSTATE_UINT32(vlan_header, mv88w8618_eth_state), 408 VMSTATE_UINT32_ARRAY(tx_queue, mv88w8618_eth_state, 2), 409 VMSTATE_UINT32_ARRAY(rx_queue, mv88w8618_eth_state, 4), 410 VMSTATE_UINT32_ARRAY(frx_queue, mv88w8618_eth_state, 4), 411 VMSTATE_UINT32_ARRAY(cur_rx, mv88w8618_eth_state, 4), 412 VMSTATE_END_OF_LIST() 413 } 414 }; 415 416 static Property mv88w8618_eth_properties[] = { 417 DEFINE_NIC_PROPERTIES(mv88w8618_eth_state, conf), 418 DEFINE_PROP_END_OF_LIST(), 419 }; 420 421 static void mv88w8618_eth_class_init(ObjectClass *klass, void *data) 422 { 423 DeviceClass *dc = DEVICE_CLASS(klass); 424 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 425 426 k->init = mv88w8618_eth_init; 427 dc->vmsd = &mv88w8618_eth_vmsd; 428 dc->props = mv88w8618_eth_properties; 429 } 430 431 static const TypeInfo mv88w8618_eth_info = { 432 .name = "mv88w8618_eth", 433 .parent = TYPE_SYS_BUS_DEVICE, 434 .instance_size = sizeof(mv88w8618_eth_state), 435 .class_init = mv88w8618_eth_class_init, 436 }; 437 438 /* LCD register offsets */ 439 #define MP_LCD_IRQCTRL 0x180 440 #define MP_LCD_IRQSTAT 0x184 441 #define MP_LCD_SPICTRL 0x1ac 442 #define MP_LCD_INST 0x1bc 443 #define MP_LCD_DATA 0x1c0 444 445 /* Mode magics */ 446 #define MP_LCD_SPI_DATA 0x00100011 447 #define MP_LCD_SPI_CMD 0x00104011 448 #define MP_LCD_SPI_INVALID 0x00000000 449 450 /* Commmands */ 451 #define MP_LCD_INST_SETPAGE0 0xB0 452 /* ... */ 453 #define MP_LCD_INST_SETPAGE7 0xB7 454 455 #define MP_LCD_TEXTCOLOR 0xe0e0ff /* RRGGBB */ 456 457 typedef struct musicpal_lcd_state { 458 SysBusDevice busdev; 459 MemoryRegion iomem; 460 uint32_t brightness; 461 uint32_t mode; 462 uint32_t irqctrl; 463 uint32_t page; 464 uint32_t page_off; 465 QemuConsole *con; 466 uint8_t video_ram[128*64/8]; 467 } musicpal_lcd_state; 468 469 static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col) 470 { 471 switch (s->brightness) { 472 case 7: 473 return col; 474 case 0: 475 return 0; 476 default: 477 return (col * s->brightness) / 7; 478 } 479 } 480 481 #define SET_LCD_PIXEL(depth, type) \ 482 static inline void glue(set_lcd_pixel, depth) \ 483 (musicpal_lcd_state *s, int x, int y, type col) \ 484 { \ 485 int dx, dy; \ 486 DisplaySurface *surface = qemu_console_surface(s->con); \ 487 type *pixel = &((type *) surface_data(surface))[(y * 128 * 3 + x) * 3]; \ 488 \ 489 for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \ 490 for (dx = 0; dx < 3; dx++, pixel++) \ 491 *pixel = col; \ 492 } 493 SET_LCD_PIXEL(8, uint8_t) 494 SET_LCD_PIXEL(16, uint16_t) 495 SET_LCD_PIXEL(32, uint32_t) 496 497 static void lcd_refresh(void *opaque) 498 { 499 musicpal_lcd_state *s = opaque; 500 DisplaySurface *surface = qemu_console_surface(s->con); 501 int x, y, col; 502 503 switch (surface_bits_per_pixel(surface)) { 504 case 0: 505 return; 506 #define LCD_REFRESH(depth, func) \ 507 case depth: \ 508 col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \ 509 scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \ 510 scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \ 511 for (x = 0; x < 128; x++) { \ 512 for (y = 0; y < 64; y++) { \ 513 if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \ 514 glue(set_lcd_pixel, depth)(s, x, y, col); \ 515 } else { \ 516 glue(set_lcd_pixel, depth)(s, x, y, 0); \ 517 } \ 518 } \ 519 } \ 520 break; 521 LCD_REFRESH(8, rgb_to_pixel8) 522 LCD_REFRESH(16, rgb_to_pixel16) 523 LCD_REFRESH(32, (is_surface_bgr(surface) ? 524 rgb_to_pixel32bgr : rgb_to_pixel32)) 525 default: 526 hw_error("unsupported colour depth %i\n", 527 surface_bits_per_pixel(surface)); 528 } 529 530 dpy_gfx_update(s->con, 0, 0, 128*3, 64*3); 531 } 532 533 static void lcd_invalidate(void *opaque) 534 { 535 } 536 537 static void musicpal_lcd_gpio_brigthness_in(void *opaque, int irq, int level) 538 { 539 musicpal_lcd_state *s = opaque; 540 s->brightness &= ~(1 << irq); 541 s->brightness |= level << irq; 542 } 543 544 static uint64_t musicpal_lcd_read(void *opaque, hwaddr offset, 545 unsigned size) 546 { 547 musicpal_lcd_state *s = opaque; 548 549 switch (offset) { 550 case MP_LCD_IRQCTRL: 551 return s->irqctrl; 552 553 default: 554 return 0; 555 } 556 } 557 558 static void musicpal_lcd_write(void *opaque, hwaddr offset, 559 uint64_t value, unsigned size) 560 { 561 musicpal_lcd_state *s = opaque; 562 563 switch (offset) { 564 case MP_LCD_IRQCTRL: 565 s->irqctrl = value; 566 break; 567 568 case MP_LCD_SPICTRL: 569 if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) { 570 s->mode = value; 571 } else { 572 s->mode = MP_LCD_SPI_INVALID; 573 } 574 break; 575 576 case MP_LCD_INST: 577 if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) { 578 s->page = value - MP_LCD_INST_SETPAGE0; 579 s->page_off = 0; 580 } 581 break; 582 583 case MP_LCD_DATA: 584 if (s->mode == MP_LCD_SPI_CMD) { 585 if (value >= MP_LCD_INST_SETPAGE0 && 586 value <= MP_LCD_INST_SETPAGE7) { 587 s->page = value - MP_LCD_INST_SETPAGE0; 588 s->page_off = 0; 589 } 590 } else if (s->mode == MP_LCD_SPI_DATA) { 591 s->video_ram[s->page*128 + s->page_off] = value; 592 s->page_off = (s->page_off + 1) & 127; 593 } 594 break; 595 } 596 } 597 598 static const MemoryRegionOps musicpal_lcd_ops = { 599 .read = musicpal_lcd_read, 600 .write = musicpal_lcd_write, 601 .endianness = DEVICE_NATIVE_ENDIAN, 602 }; 603 604 static const GraphicHwOps musicpal_gfx_ops = { 605 .invalidate = lcd_invalidate, 606 .gfx_update = lcd_refresh, 607 }; 608 609 static int musicpal_lcd_init(SysBusDevice *dev) 610 { 611 musicpal_lcd_state *s = FROM_SYSBUS(musicpal_lcd_state, dev); 612 613 s->brightness = 7; 614 615 memory_region_init_io(&s->iomem, &musicpal_lcd_ops, s, 616 "musicpal-lcd", MP_LCD_SIZE); 617 sysbus_init_mmio(dev, &s->iomem); 618 619 s->con = graphic_console_init(DEVICE(dev), &musicpal_gfx_ops, s); 620 qemu_console_resize(s->con, 128*3, 64*3); 621 622 qdev_init_gpio_in(&dev->qdev, musicpal_lcd_gpio_brigthness_in, 3); 623 624 return 0; 625 } 626 627 static const VMStateDescription musicpal_lcd_vmsd = { 628 .name = "musicpal_lcd", 629 .version_id = 1, 630 .minimum_version_id = 1, 631 .minimum_version_id_old = 1, 632 .fields = (VMStateField[]) { 633 VMSTATE_UINT32(brightness, musicpal_lcd_state), 634 VMSTATE_UINT32(mode, musicpal_lcd_state), 635 VMSTATE_UINT32(irqctrl, musicpal_lcd_state), 636 VMSTATE_UINT32(page, musicpal_lcd_state), 637 VMSTATE_UINT32(page_off, musicpal_lcd_state), 638 VMSTATE_BUFFER(video_ram, musicpal_lcd_state), 639 VMSTATE_END_OF_LIST() 640 } 641 }; 642 643 static void musicpal_lcd_class_init(ObjectClass *klass, void *data) 644 { 645 DeviceClass *dc = DEVICE_CLASS(klass); 646 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 647 648 k->init = musicpal_lcd_init; 649 dc->vmsd = &musicpal_lcd_vmsd; 650 } 651 652 static const TypeInfo musicpal_lcd_info = { 653 .name = "musicpal_lcd", 654 .parent = TYPE_SYS_BUS_DEVICE, 655 .instance_size = sizeof(musicpal_lcd_state), 656 .class_init = musicpal_lcd_class_init, 657 }; 658 659 /* PIC register offsets */ 660 #define MP_PIC_STATUS 0x00 661 #define MP_PIC_ENABLE_SET 0x08 662 #define MP_PIC_ENABLE_CLR 0x0C 663 664 typedef struct mv88w8618_pic_state 665 { 666 SysBusDevice busdev; 667 MemoryRegion iomem; 668 uint32_t level; 669 uint32_t enabled; 670 qemu_irq parent_irq; 671 } mv88w8618_pic_state; 672 673 static void mv88w8618_pic_update(mv88w8618_pic_state *s) 674 { 675 qemu_set_irq(s->parent_irq, (s->level & s->enabled)); 676 } 677 678 static void mv88w8618_pic_set_irq(void *opaque, int irq, int level) 679 { 680 mv88w8618_pic_state *s = opaque; 681 682 if (level) { 683 s->level |= 1 << irq; 684 } else { 685 s->level &= ~(1 << irq); 686 } 687 mv88w8618_pic_update(s); 688 } 689 690 static uint64_t mv88w8618_pic_read(void *opaque, hwaddr offset, 691 unsigned size) 692 { 693 mv88w8618_pic_state *s = opaque; 694 695 switch (offset) { 696 case MP_PIC_STATUS: 697 return s->level & s->enabled; 698 699 default: 700 return 0; 701 } 702 } 703 704 static void mv88w8618_pic_write(void *opaque, hwaddr offset, 705 uint64_t value, unsigned size) 706 { 707 mv88w8618_pic_state *s = opaque; 708 709 switch (offset) { 710 case MP_PIC_ENABLE_SET: 711 s->enabled |= value; 712 break; 713 714 case MP_PIC_ENABLE_CLR: 715 s->enabled &= ~value; 716 s->level &= ~value; 717 break; 718 } 719 mv88w8618_pic_update(s); 720 } 721 722 static void mv88w8618_pic_reset(DeviceState *d) 723 { 724 mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, 725 SYS_BUS_DEVICE(d)); 726 727 s->level = 0; 728 s->enabled = 0; 729 } 730 731 static const MemoryRegionOps mv88w8618_pic_ops = { 732 .read = mv88w8618_pic_read, 733 .write = mv88w8618_pic_write, 734 .endianness = DEVICE_NATIVE_ENDIAN, 735 }; 736 737 static int mv88w8618_pic_init(SysBusDevice *dev) 738 { 739 mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, dev); 740 741 qdev_init_gpio_in(&dev->qdev, mv88w8618_pic_set_irq, 32); 742 sysbus_init_irq(dev, &s->parent_irq); 743 memory_region_init_io(&s->iomem, &mv88w8618_pic_ops, s, 744 "musicpal-pic", MP_PIC_SIZE); 745 sysbus_init_mmio(dev, &s->iomem); 746 return 0; 747 } 748 749 static const VMStateDescription mv88w8618_pic_vmsd = { 750 .name = "mv88w8618_pic", 751 .version_id = 1, 752 .minimum_version_id = 1, 753 .minimum_version_id_old = 1, 754 .fields = (VMStateField[]) { 755 VMSTATE_UINT32(level, mv88w8618_pic_state), 756 VMSTATE_UINT32(enabled, mv88w8618_pic_state), 757 VMSTATE_END_OF_LIST() 758 } 759 }; 760 761 static void mv88w8618_pic_class_init(ObjectClass *klass, void *data) 762 { 763 DeviceClass *dc = DEVICE_CLASS(klass); 764 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 765 766 k->init = mv88w8618_pic_init; 767 dc->reset = mv88w8618_pic_reset; 768 dc->vmsd = &mv88w8618_pic_vmsd; 769 } 770 771 static const TypeInfo mv88w8618_pic_info = { 772 .name = "mv88w8618_pic", 773 .parent = TYPE_SYS_BUS_DEVICE, 774 .instance_size = sizeof(mv88w8618_pic_state), 775 .class_init = mv88w8618_pic_class_init, 776 }; 777 778 /* PIT register offsets */ 779 #define MP_PIT_TIMER1_LENGTH 0x00 780 /* ... */ 781 #define MP_PIT_TIMER4_LENGTH 0x0C 782 #define MP_PIT_CONTROL 0x10 783 #define MP_PIT_TIMER1_VALUE 0x14 784 /* ... */ 785 #define MP_PIT_TIMER4_VALUE 0x20 786 #define MP_BOARD_RESET 0x34 787 788 /* Magic board reset value (probably some watchdog behind it) */ 789 #define MP_BOARD_RESET_MAGIC 0x10000 790 791 typedef struct mv88w8618_timer_state { 792 ptimer_state *ptimer; 793 uint32_t limit; 794 int freq; 795 qemu_irq irq; 796 } mv88w8618_timer_state; 797 798 typedef struct mv88w8618_pit_state { 799 SysBusDevice busdev; 800 MemoryRegion iomem; 801 mv88w8618_timer_state timer[4]; 802 } mv88w8618_pit_state; 803 804 static void mv88w8618_timer_tick(void *opaque) 805 { 806 mv88w8618_timer_state *s = opaque; 807 808 qemu_irq_raise(s->irq); 809 } 810 811 static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s, 812 uint32_t freq) 813 { 814 QEMUBH *bh; 815 816 sysbus_init_irq(dev, &s->irq); 817 s->freq = freq; 818 819 bh = qemu_bh_new(mv88w8618_timer_tick, s); 820 s->ptimer = ptimer_init(bh); 821 } 822 823 static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset, 824 unsigned size) 825 { 826 mv88w8618_pit_state *s = opaque; 827 mv88w8618_timer_state *t; 828 829 switch (offset) { 830 case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE: 831 t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2]; 832 return ptimer_get_count(t->ptimer); 833 834 default: 835 return 0; 836 } 837 } 838 839 static void mv88w8618_pit_write(void *opaque, hwaddr offset, 840 uint64_t value, unsigned size) 841 { 842 mv88w8618_pit_state *s = opaque; 843 mv88w8618_timer_state *t; 844 int i; 845 846 switch (offset) { 847 case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH: 848 t = &s->timer[offset >> 2]; 849 t->limit = value; 850 if (t->limit > 0) { 851 ptimer_set_limit(t->ptimer, t->limit, 1); 852 } else { 853 ptimer_stop(t->ptimer); 854 } 855 break; 856 857 case MP_PIT_CONTROL: 858 for (i = 0; i < 4; i++) { 859 t = &s->timer[i]; 860 if (value & 0xf && t->limit > 0) { 861 ptimer_set_limit(t->ptimer, t->limit, 0); 862 ptimer_set_freq(t->ptimer, t->freq); 863 ptimer_run(t->ptimer, 0); 864 } else { 865 ptimer_stop(t->ptimer); 866 } 867 value >>= 4; 868 } 869 break; 870 871 case MP_BOARD_RESET: 872 if (value == MP_BOARD_RESET_MAGIC) { 873 qemu_system_reset_request(); 874 } 875 break; 876 } 877 } 878 879 static void mv88w8618_pit_reset(DeviceState *d) 880 { 881 mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state, 882 SYS_BUS_DEVICE(d)); 883 int i; 884 885 for (i = 0; i < 4; i++) { 886 ptimer_stop(s->timer[i].ptimer); 887 s->timer[i].limit = 0; 888 } 889 } 890 891 static const MemoryRegionOps mv88w8618_pit_ops = { 892 .read = mv88w8618_pit_read, 893 .write = mv88w8618_pit_write, 894 .endianness = DEVICE_NATIVE_ENDIAN, 895 }; 896 897 static int mv88w8618_pit_init(SysBusDevice *dev) 898 { 899 mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state, dev); 900 int i; 901 902 /* Letting them all run at 1 MHz is likely just a pragmatic 903 * simplification. */ 904 for (i = 0; i < 4; i++) { 905 mv88w8618_timer_init(dev, &s->timer[i], 1000000); 906 } 907 908 memory_region_init_io(&s->iomem, &mv88w8618_pit_ops, s, 909 "musicpal-pit", MP_PIT_SIZE); 910 sysbus_init_mmio(dev, &s->iomem); 911 return 0; 912 } 913 914 static const VMStateDescription mv88w8618_timer_vmsd = { 915 .name = "timer", 916 .version_id = 1, 917 .minimum_version_id = 1, 918 .minimum_version_id_old = 1, 919 .fields = (VMStateField[]) { 920 VMSTATE_PTIMER(ptimer, mv88w8618_timer_state), 921 VMSTATE_UINT32(limit, mv88w8618_timer_state), 922 VMSTATE_END_OF_LIST() 923 } 924 }; 925 926 static const VMStateDescription mv88w8618_pit_vmsd = { 927 .name = "mv88w8618_pit", 928 .version_id = 1, 929 .minimum_version_id = 1, 930 .minimum_version_id_old = 1, 931 .fields = (VMStateField[]) { 932 VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1, 933 mv88w8618_timer_vmsd, mv88w8618_timer_state), 934 VMSTATE_END_OF_LIST() 935 } 936 }; 937 938 static void mv88w8618_pit_class_init(ObjectClass *klass, void *data) 939 { 940 DeviceClass *dc = DEVICE_CLASS(klass); 941 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 942 943 k->init = mv88w8618_pit_init; 944 dc->reset = mv88w8618_pit_reset; 945 dc->vmsd = &mv88w8618_pit_vmsd; 946 } 947 948 static const TypeInfo mv88w8618_pit_info = { 949 .name = "mv88w8618_pit", 950 .parent = TYPE_SYS_BUS_DEVICE, 951 .instance_size = sizeof(mv88w8618_pit_state), 952 .class_init = mv88w8618_pit_class_init, 953 }; 954 955 /* Flash config register offsets */ 956 #define MP_FLASHCFG_CFGR0 0x04 957 958 typedef struct mv88w8618_flashcfg_state { 959 SysBusDevice busdev; 960 MemoryRegion iomem; 961 uint32_t cfgr0; 962 } mv88w8618_flashcfg_state; 963 964 static uint64_t mv88w8618_flashcfg_read(void *opaque, 965 hwaddr offset, 966 unsigned size) 967 { 968 mv88w8618_flashcfg_state *s = opaque; 969 970 switch (offset) { 971 case MP_FLASHCFG_CFGR0: 972 return s->cfgr0; 973 974 default: 975 return 0; 976 } 977 } 978 979 static void mv88w8618_flashcfg_write(void *opaque, hwaddr offset, 980 uint64_t value, unsigned size) 981 { 982 mv88w8618_flashcfg_state *s = opaque; 983 984 switch (offset) { 985 case MP_FLASHCFG_CFGR0: 986 s->cfgr0 = value; 987 break; 988 } 989 } 990 991 static const MemoryRegionOps mv88w8618_flashcfg_ops = { 992 .read = mv88w8618_flashcfg_read, 993 .write = mv88w8618_flashcfg_write, 994 .endianness = DEVICE_NATIVE_ENDIAN, 995 }; 996 997 static int mv88w8618_flashcfg_init(SysBusDevice *dev) 998 { 999 mv88w8618_flashcfg_state *s = FROM_SYSBUS(mv88w8618_flashcfg_state, dev); 1000 1001 s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */ 1002 memory_region_init_io(&s->iomem, &mv88w8618_flashcfg_ops, s, 1003 "musicpal-flashcfg", MP_FLASHCFG_SIZE); 1004 sysbus_init_mmio(dev, &s->iomem); 1005 return 0; 1006 } 1007 1008 static const VMStateDescription mv88w8618_flashcfg_vmsd = { 1009 .name = "mv88w8618_flashcfg", 1010 .version_id = 1, 1011 .minimum_version_id = 1, 1012 .minimum_version_id_old = 1, 1013 .fields = (VMStateField[]) { 1014 VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state), 1015 VMSTATE_END_OF_LIST() 1016 } 1017 }; 1018 1019 static void mv88w8618_flashcfg_class_init(ObjectClass *klass, void *data) 1020 { 1021 DeviceClass *dc = DEVICE_CLASS(klass); 1022 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1023 1024 k->init = mv88w8618_flashcfg_init; 1025 dc->vmsd = &mv88w8618_flashcfg_vmsd; 1026 } 1027 1028 static const TypeInfo mv88w8618_flashcfg_info = { 1029 .name = "mv88w8618_flashcfg", 1030 .parent = TYPE_SYS_BUS_DEVICE, 1031 .instance_size = sizeof(mv88w8618_flashcfg_state), 1032 .class_init = mv88w8618_flashcfg_class_init, 1033 }; 1034 1035 /* Misc register offsets */ 1036 #define MP_MISC_BOARD_REVISION 0x18 1037 1038 #define MP_BOARD_REVISION 0x31 1039 1040 typedef struct { 1041 SysBusDevice parent_obj; 1042 MemoryRegion iomem; 1043 } MusicPalMiscState; 1044 1045 #define TYPE_MUSICPAL_MISC "musicpal-misc" 1046 #define MUSICPAL_MISC(obj) \ 1047 OBJECT_CHECK(MusicPalMiscState, (obj), TYPE_MUSICPAL_MISC) 1048 1049 static uint64_t musicpal_misc_read(void *opaque, hwaddr offset, 1050 unsigned size) 1051 { 1052 switch (offset) { 1053 case MP_MISC_BOARD_REVISION: 1054 return MP_BOARD_REVISION; 1055 1056 default: 1057 return 0; 1058 } 1059 } 1060 1061 static void musicpal_misc_write(void *opaque, hwaddr offset, 1062 uint64_t value, unsigned size) 1063 { 1064 } 1065 1066 static const MemoryRegionOps musicpal_misc_ops = { 1067 .read = musicpal_misc_read, 1068 .write = musicpal_misc_write, 1069 .endianness = DEVICE_NATIVE_ENDIAN, 1070 }; 1071 1072 static void musicpal_misc_init(Object *obj) 1073 { 1074 SysBusDevice *sd = SYS_BUS_DEVICE(obj); 1075 MusicPalMiscState *s = MUSICPAL_MISC(obj); 1076 1077 memory_region_init_io(&s->iomem, &musicpal_misc_ops, NULL, 1078 "musicpal-misc", MP_MISC_SIZE); 1079 sysbus_init_mmio(sd, &s->iomem); 1080 } 1081 1082 static const TypeInfo musicpal_misc_info = { 1083 .name = TYPE_MUSICPAL_MISC, 1084 .parent = TYPE_SYS_BUS_DEVICE, 1085 .instance_init = musicpal_misc_init, 1086 .instance_size = sizeof(MusicPalMiscState), 1087 }; 1088 1089 /* WLAN register offsets */ 1090 #define MP_WLAN_MAGIC1 0x11c 1091 #define MP_WLAN_MAGIC2 0x124 1092 1093 static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset, 1094 unsigned size) 1095 { 1096 switch (offset) { 1097 /* Workaround to allow loading the binary-only wlandrv.ko crap 1098 * from the original Freecom firmware. */ 1099 case MP_WLAN_MAGIC1: 1100 return ~3; 1101 case MP_WLAN_MAGIC2: 1102 return -1; 1103 1104 default: 1105 return 0; 1106 } 1107 } 1108 1109 static void mv88w8618_wlan_write(void *opaque, hwaddr offset, 1110 uint64_t value, unsigned size) 1111 { 1112 } 1113 1114 static const MemoryRegionOps mv88w8618_wlan_ops = { 1115 .read = mv88w8618_wlan_read, 1116 .write =mv88w8618_wlan_write, 1117 .endianness = DEVICE_NATIVE_ENDIAN, 1118 }; 1119 1120 static int mv88w8618_wlan_init(SysBusDevice *dev) 1121 { 1122 MemoryRegion *iomem = g_new(MemoryRegion, 1); 1123 1124 memory_region_init_io(iomem, &mv88w8618_wlan_ops, NULL, 1125 "musicpal-wlan", MP_WLAN_SIZE); 1126 sysbus_init_mmio(dev, iomem); 1127 return 0; 1128 } 1129 1130 /* GPIO register offsets */ 1131 #define MP_GPIO_OE_LO 0x008 1132 #define MP_GPIO_OUT_LO 0x00c 1133 #define MP_GPIO_IN_LO 0x010 1134 #define MP_GPIO_IER_LO 0x014 1135 #define MP_GPIO_IMR_LO 0x018 1136 #define MP_GPIO_ISR_LO 0x020 1137 #define MP_GPIO_OE_HI 0x508 1138 #define MP_GPIO_OUT_HI 0x50c 1139 #define MP_GPIO_IN_HI 0x510 1140 #define MP_GPIO_IER_HI 0x514 1141 #define MP_GPIO_IMR_HI 0x518 1142 #define MP_GPIO_ISR_HI 0x520 1143 1144 /* GPIO bits & masks */ 1145 #define MP_GPIO_LCD_BRIGHTNESS 0x00070000 1146 #define MP_GPIO_I2C_DATA_BIT 29 1147 #define MP_GPIO_I2C_CLOCK_BIT 30 1148 1149 /* LCD brightness bits in GPIO_OE_HI */ 1150 #define MP_OE_LCD_BRIGHTNESS 0x0007 1151 1152 typedef struct musicpal_gpio_state { 1153 SysBusDevice busdev; 1154 MemoryRegion iomem; 1155 uint32_t lcd_brightness; 1156 uint32_t out_state; 1157 uint32_t in_state; 1158 uint32_t ier; 1159 uint32_t imr; 1160 uint32_t isr; 1161 qemu_irq irq; 1162 qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */ 1163 } musicpal_gpio_state; 1164 1165 static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) { 1166 int i; 1167 uint32_t brightness; 1168 1169 /* compute brightness ratio */ 1170 switch (s->lcd_brightness) { 1171 case 0x00000007: 1172 brightness = 0; 1173 break; 1174 1175 case 0x00020000: 1176 brightness = 1; 1177 break; 1178 1179 case 0x00020001: 1180 brightness = 2; 1181 break; 1182 1183 case 0x00040000: 1184 brightness = 3; 1185 break; 1186 1187 case 0x00010006: 1188 brightness = 4; 1189 break; 1190 1191 case 0x00020005: 1192 brightness = 5; 1193 break; 1194 1195 case 0x00040003: 1196 brightness = 6; 1197 break; 1198 1199 case 0x00030004: 1200 default: 1201 brightness = 7; 1202 } 1203 1204 /* set lcd brightness GPIOs */ 1205 for (i = 0; i <= 2; i++) { 1206 qemu_set_irq(s->out[i], (brightness >> i) & 1); 1207 } 1208 } 1209 1210 static void musicpal_gpio_pin_event(void *opaque, int pin, int level) 1211 { 1212 musicpal_gpio_state *s = opaque; 1213 uint32_t mask = 1 << pin; 1214 uint32_t delta = level << pin; 1215 uint32_t old = s->in_state & mask; 1216 1217 s->in_state &= ~mask; 1218 s->in_state |= delta; 1219 1220 if ((old ^ delta) && 1221 ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) { 1222 s->isr = mask; 1223 qemu_irq_raise(s->irq); 1224 } 1225 } 1226 1227 static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset, 1228 unsigned size) 1229 { 1230 musicpal_gpio_state *s = opaque; 1231 1232 switch (offset) { 1233 case MP_GPIO_OE_HI: /* used for LCD brightness control */ 1234 return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS; 1235 1236 case MP_GPIO_OUT_LO: 1237 return s->out_state & 0xFFFF; 1238 case MP_GPIO_OUT_HI: 1239 return s->out_state >> 16; 1240 1241 case MP_GPIO_IN_LO: 1242 return s->in_state & 0xFFFF; 1243 case MP_GPIO_IN_HI: 1244 return s->in_state >> 16; 1245 1246 case MP_GPIO_IER_LO: 1247 return s->ier & 0xFFFF; 1248 case MP_GPIO_IER_HI: 1249 return s->ier >> 16; 1250 1251 case MP_GPIO_IMR_LO: 1252 return s->imr & 0xFFFF; 1253 case MP_GPIO_IMR_HI: 1254 return s->imr >> 16; 1255 1256 case MP_GPIO_ISR_LO: 1257 return s->isr & 0xFFFF; 1258 case MP_GPIO_ISR_HI: 1259 return s->isr >> 16; 1260 1261 default: 1262 return 0; 1263 } 1264 } 1265 1266 static void musicpal_gpio_write(void *opaque, hwaddr offset, 1267 uint64_t value, unsigned size) 1268 { 1269 musicpal_gpio_state *s = opaque; 1270 switch (offset) { 1271 case MP_GPIO_OE_HI: /* used for LCD brightness control */ 1272 s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) | 1273 (value & MP_OE_LCD_BRIGHTNESS); 1274 musicpal_gpio_brightness_update(s); 1275 break; 1276 1277 case MP_GPIO_OUT_LO: 1278 s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF); 1279 break; 1280 case MP_GPIO_OUT_HI: 1281 s->out_state = (s->out_state & 0xFFFF) | (value << 16); 1282 s->lcd_brightness = (s->lcd_brightness & 0xFFFF) | 1283 (s->out_state & MP_GPIO_LCD_BRIGHTNESS); 1284 musicpal_gpio_brightness_update(s); 1285 qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1); 1286 qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1); 1287 break; 1288 1289 case MP_GPIO_IER_LO: 1290 s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF); 1291 break; 1292 case MP_GPIO_IER_HI: 1293 s->ier = (s->ier & 0xFFFF) | (value << 16); 1294 break; 1295 1296 case MP_GPIO_IMR_LO: 1297 s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF); 1298 break; 1299 case MP_GPIO_IMR_HI: 1300 s->imr = (s->imr & 0xFFFF) | (value << 16); 1301 break; 1302 } 1303 } 1304 1305 static const MemoryRegionOps musicpal_gpio_ops = { 1306 .read = musicpal_gpio_read, 1307 .write = musicpal_gpio_write, 1308 .endianness = DEVICE_NATIVE_ENDIAN, 1309 }; 1310 1311 static void musicpal_gpio_reset(DeviceState *d) 1312 { 1313 musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, 1314 SYS_BUS_DEVICE(d)); 1315 1316 s->lcd_brightness = 0; 1317 s->out_state = 0; 1318 s->in_state = 0xffffffff; 1319 s->ier = 0; 1320 s->imr = 0; 1321 s->isr = 0; 1322 } 1323 1324 static int musicpal_gpio_init(SysBusDevice *dev) 1325 { 1326 musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, dev); 1327 1328 sysbus_init_irq(dev, &s->irq); 1329 1330 memory_region_init_io(&s->iomem, &musicpal_gpio_ops, s, 1331 "musicpal-gpio", MP_GPIO_SIZE); 1332 sysbus_init_mmio(dev, &s->iomem); 1333 1334 qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out)); 1335 1336 qdev_init_gpio_in(&dev->qdev, musicpal_gpio_pin_event, 32); 1337 1338 return 0; 1339 } 1340 1341 static const VMStateDescription musicpal_gpio_vmsd = { 1342 .name = "musicpal_gpio", 1343 .version_id = 1, 1344 .minimum_version_id = 1, 1345 .minimum_version_id_old = 1, 1346 .fields = (VMStateField[]) { 1347 VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state), 1348 VMSTATE_UINT32(out_state, musicpal_gpio_state), 1349 VMSTATE_UINT32(in_state, musicpal_gpio_state), 1350 VMSTATE_UINT32(ier, musicpal_gpio_state), 1351 VMSTATE_UINT32(imr, musicpal_gpio_state), 1352 VMSTATE_UINT32(isr, musicpal_gpio_state), 1353 VMSTATE_END_OF_LIST() 1354 } 1355 }; 1356 1357 static void musicpal_gpio_class_init(ObjectClass *klass, void *data) 1358 { 1359 DeviceClass *dc = DEVICE_CLASS(klass); 1360 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1361 1362 k->init = musicpal_gpio_init; 1363 dc->reset = musicpal_gpio_reset; 1364 dc->vmsd = &musicpal_gpio_vmsd; 1365 } 1366 1367 static const TypeInfo musicpal_gpio_info = { 1368 .name = "musicpal_gpio", 1369 .parent = TYPE_SYS_BUS_DEVICE, 1370 .instance_size = sizeof(musicpal_gpio_state), 1371 .class_init = musicpal_gpio_class_init, 1372 }; 1373 1374 /* Keyboard codes & masks */ 1375 #define KEY_RELEASED 0x80 1376 #define KEY_CODE 0x7f 1377 1378 #define KEYCODE_TAB 0x0f 1379 #define KEYCODE_ENTER 0x1c 1380 #define KEYCODE_F 0x21 1381 #define KEYCODE_M 0x32 1382 1383 #define KEYCODE_EXTENDED 0xe0 1384 #define KEYCODE_UP 0x48 1385 #define KEYCODE_DOWN 0x50 1386 #define KEYCODE_LEFT 0x4b 1387 #define KEYCODE_RIGHT 0x4d 1388 1389 #define MP_KEY_WHEEL_VOL (1 << 0) 1390 #define MP_KEY_WHEEL_VOL_INV (1 << 1) 1391 #define MP_KEY_WHEEL_NAV (1 << 2) 1392 #define MP_KEY_WHEEL_NAV_INV (1 << 3) 1393 #define MP_KEY_BTN_FAVORITS (1 << 4) 1394 #define MP_KEY_BTN_MENU (1 << 5) 1395 #define MP_KEY_BTN_VOLUME (1 << 6) 1396 #define MP_KEY_BTN_NAVIGATION (1 << 7) 1397 1398 typedef struct musicpal_key_state { 1399 SysBusDevice busdev; 1400 MemoryRegion iomem; 1401 uint32_t kbd_extended; 1402 uint32_t pressed_keys; 1403 qemu_irq out[8]; 1404 } musicpal_key_state; 1405 1406 static void musicpal_key_event(void *opaque, int keycode) 1407 { 1408 musicpal_key_state *s = opaque; 1409 uint32_t event = 0; 1410 int i; 1411 1412 if (keycode == KEYCODE_EXTENDED) { 1413 s->kbd_extended = 1; 1414 return; 1415 } 1416 1417 if (s->kbd_extended) { 1418 switch (keycode & KEY_CODE) { 1419 case KEYCODE_UP: 1420 event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV; 1421 break; 1422 1423 case KEYCODE_DOWN: 1424 event = MP_KEY_WHEEL_NAV; 1425 break; 1426 1427 case KEYCODE_LEFT: 1428 event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV; 1429 break; 1430 1431 case KEYCODE_RIGHT: 1432 event = MP_KEY_WHEEL_VOL; 1433 break; 1434 } 1435 } else { 1436 switch (keycode & KEY_CODE) { 1437 case KEYCODE_F: 1438 event = MP_KEY_BTN_FAVORITS; 1439 break; 1440 1441 case KEYCODE_TAB: 1442 event = MP_KEY_BTN_VOLUME; 1443 break; 1444 1445 case KEYCODE_ENTER: 1446 event = MP_KEY_BTN_NAVIGATION; 1447 break; 1448 1449 case KEYCODE_M: 1450 event = MP_KEY_BTN_MENU; 1451 break; 1452 } 1453 /* Do not repeat already pressed buttons */ 1454 if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) { 1455 event = 0; 1456 } 1457 } 1458 1459 if (event) { 1460 /* Raise GPIO pin first if repeating a key */ 1461 if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) { 1462 for (i = 0; i <= 7; i++) { 1463 if (event & (1 << i)) { 1464 qemu_set_irq(s->out[i], 1); 1465 } 1466 } 1467 } 1468 for (i = 0; i <= 7; i++) { 1469 if (event & (1 << i)) { 1470 qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED)); 1471 } 1472 } 1473 if (keycode & KEY_RELEASED) { 1474 s->pressed_keys &= ~event; 1475 } else { 1476 s->pressed_keys |= event; 1477 } 1478 } 1479 1480 s->kbd_extended = 0; 1481 } 1482 1483 static int musicpal_key_init(SysBusDevice *dev) 1484 { 1485 musicpal_key_state *s = FROM_SYSBUS(musicpal_key_state, dev); 1486 1487 memory_region_init(&s->iomem, "dummy", 0); 1488 sysbus_init_mmio(dev, &s->iomem); 1489 1490 s->kbd_extended = 0; 1491 s->pressed_keys = 0; 1492 1493 qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out)); 1494 1495 qemu_add_kbd_event_handler(musicpal_key_event, s); 1496 1497 return 0; 1498 } 1499 1500 static const VMStateDescription musicpal_key_vmsd = { 1501 .name = "musicpal_key", 1502 .version_id = 1, 1503 .minimum_version_id = 1, 1504 .minimum_version_id_old = 1, 1505 .fields = (VMStateField[]) { 1506 VMSTATE_UINT32(kbd_extended, musicpal_key_state), 1507 VMSTATE_UINT32(pressed_keys, musicpal_key_state), 1508 VMSTATE_END_OF_LIST() 1509 } 1510 }; 1511 1512 static void musicpal_key_class_init(ObjectClass *klass, void *data) 1513 { 1514 DeviceClass *dc = DEVICE_CLASS(klass); 1515 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); 1516 1517 k->init = musicpal_key_init; 1518 dc->vmsd = &musicpal_key_vmsd; 1519 } 1520 1521 static const TypeInfo musicpal_key_info = { 1522 .name = "musicpal_key", 1523 .parent = TYPE_SYS_BUS_DEVICE, 1524 .instance_size = sizeof(musicpal_key_state), 1525 .class_init = musicpal_key_class_init, 1526 }; 1527 1528 static struct arm_boot_info musicpal_binfo = { 1529 .loader_start = 0x0, 1530 .board_id = 0x20e, 1531 }; 1532 1533 static void musicpal_init(QEMUMachineInitArgs *args) 1534 { 1535 const char *cpu_model = args->cpu_model; 1536 const char *kernel_filename = args->kernel_filename; 1537 const char *kernel_cmdline = args->kernel_cmdline; 1538 const char *initrd_filename = args->initrd_filename; 1539 ARMCPU *cpu; 1540 qemu_irq *cpu_pic; 1541 qemu_irq pic[32]; 1542 DeviceState *dev; 1543 DeviceState *i2c_dev; 1544 DeviceState *lcd_dev; 1545 DeviceState *key_dev; 1546 DeviceState *wm8750_dev; 1547 SysBusDevice *s; 1548 i2c_bus *i2c; 1549 int i; 1550 unsigned long flash_size; 1551 DriveInfo *dinfo; 1552 MemoryRegion *address_space_mem = get_system_memory(); 1553 MemoryRegion *ram = g_new(MemoryRegion, 1); 1554 MemoryRegion *sram = g_new(MemoryRegion, 1); 1555 1556 if (!cpu_model) { 1557 cpu_model = "arm926"; 1558 } 1559 cpu = cpu_arm_init(cpu_model); 1560 if (!cpu) { 1561 fprintf(stderr, "Unable to find CPU definition\n"); 1562 exit(1); 1563 } 1564 cpu_pic = arm_pic_init_cpu(cpu); 1565 1566 /* For now we use a fixed - the original - RAM size */ 1567 memory_region_init_ram(ram, "musicpal.ram", MP_RAM_DEFAULT_SIZE); 1568 vmstate_register_ram_global(ram); 1569 memory_region_add_subregion(address_space_mem, 0, ram); 1570 1571 memory_region_init_ram(sram, "musicpal.sram", MP_SRAM_SIZE); 1572 vmstate_register_ram_global(sram); 1573 memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram); 1574 1575 dev = sysbus_create_simple("mv88w8618_pic", MP_PIC_BASE, 1576 cpu_pic[ARM_PIC_CPU_IRQ]); 1577 for (i = 0; i < 32; i++) { 1578 pic[i] = qdev_get_gpio_in(dev, i); 1579 } 1580 sysbus_create_varargs("mv88w8618_pit", MP_PIT_BASE, pic[MP_TIMER1_IRQ], 1581 pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ], 1582 pic[MP_TIMER4_IRQ], NULL); 1583 1584 if (serial_hds[0]) { 1585 serial_mm_init(address_space_mem, MP_UART1_BASE, 2, pic[MP_UART1_IRQ], 1586 1825000, serial_hds[0], DEVICE_NATIVE_ENDIAN); 1587 } 1588 if (serial_hds[1]) { 1589 serial_mm_init(address_space_mem, MP_UART2_BASE, 2, pic[MP_UART2_IRQ], 1590 1825000, serial_hds[1], DEVICE_NATIVE_ENDIAN); 1591 } 1592 1593 /* Register flash */ 1594 dinfo = drive_get(IF_PFLASH, 0, 0); 1595 if (dinfo) { 1596 flash_size = bdrv_getlength(dinfo->bdrv); 1597 if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 && 1598 flash_size != 32*1024*1024) { 1599 fprintf(stderr, "Invalid flash image size\n"); 1600 exit(1); 1601 } 1602 1603 /* 1604 * The original U-Boot accesses the flash at 0xFE000000 instead of 1605 * 0xFF800000 (if there is 8 MB flash). So remap flash access if the 1606 * image is smaller than 32 MB. 1607 */ 1608 #ifdef TARGET_WORDS_BIGENDIAN 1609 pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL, 1610 "musicpal.flash", flash_size, 1611 dinfo->bdrv, 0x10000, 1612 (flash_size + 0xffff) >> 16, 1613 MP_FLASH_SIZE_MAX / flash_size, 1614 2, 0x00BF, 0x236D, 0x0000, 0x0000, 1615 0x5555, 0x2AAA, 1); 1616 #else 1617 pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL, 1618 "musicpal.flash", flash_size, 1619 dinfo->bdrv, 0x10000, 1620 (flash_size + 0xffff) >> 16, 1621 MP_FLASH_SIZE_MAX / flash_size, 1622 2, 0x00BF, 0x236D, 0x0000, 0x0000, 1623 0x5555, 0x2AAA, 0); 1624 #endif 1625 1626 } 1627 sysbus_create_simple("mv88w8618_flashcfg", MP_FLASHCFG_BASE, NULL); 1628 1629 qemu_check_nic_model(&nd_table[0], "mv88w8618"); 1630 dev = qdev_create(NULL, "mv88w8618_eth"); 1631 qdev_set_nic_properties(dev, &nd_table[0]); 1632 qdev_init_nofail(dev); 1633 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MP_ETH_BASE); 1634 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[MP_ETH_IRQ]); 1635 1636 sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL); 1637 1638 sysbus_create_simple(TYPE_MUSICPAL_MISC, MP_MISC_BASE, NULL); 1639 1640 dev = sysbus_create_simple("musicpal_gpio", MP_GPIO_BASE, pic[MP_GPIO_IRQ]); 1641 i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL); 1642 i2c = (i2c_bus *)qdev_get_child_bus(i2c_dev, "i2c"); 1643 1644 lcd_dev = sysbus_create_simple("musicpal_lcd", MP_LCD_BASE, NULL); 1645 key_dev = sysbus_create_simple("musicpal_key", -1, NULL); 1646 1647 /* I2C read data */ 1648 qdev_connect_gpio_out(i2c_dev, 0, 1649 qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT)); 1650 /* I2C data */ 1651 qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0)); 1652 /* I2C clock */ 1653 qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1)); 1654 1655 for (i = 0; i < 3; i++) { 1656 qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i)); 1657 } 1658 for (i = 0; i < 4; i++) { 1659 qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8)); 1660 } 1661 for (i = 4; i < 8; i++) { 1662 qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15)); 1663 } 1664 1665 wm8750_dev = i2c_create_slave(i2c, "wm8750", MP_WM_ADDR); 1666 dev = qdev_create(NULL, "mv88w8618_audio"); 1667 s = SYS_BUS_DEVICE(dev); 1668 qdev_prop_set_ptr(dev, "wm8750", wm8750_dev); 1669 qdev_init_nofail(dev); 1670 sysbus_mmio_map(s, 0, MP_AUDIO_BASE); 1671 sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]); 1672 1673 musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE; 1674 musicpal_binfo.kernel_filename = kernel_filename; 1675 musicpal_binfo.kernel_cmdline = kernel_cmdline; 1676 musicpal_binfo.initrd_filename = initrd_filename; 1677 arm_load_kernel(cpu, &musicpal_binfo); 1678 } 1679 1680 static QEMUMachine musicpal_machine = { 1681 .name = "musicpal", 1682 .desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)", 1683 .init = musicpal_init, 1684 DEFAULT_MACHINE_OPTIONS, 1685 }; 1686 1687 static void musicpal_machine_init(void) 1688 { 1689 qemu_register_machine(&musicpal_machine); 1690 } 1691 1692 machine_init(musicpal_machine_init); 1693 1694 static void mv88w8618_wlan_class_init(ObjectClass *klass, void *data) 1695 { 1696 SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass); 1697 1698 sdc->init = mv88w8618_wlan_init; 1699 } 1700 1701 static const TypeInfo mv88w8618_wlan_info = { 1702 .name = "mv88w8618_wlan", 1703 .parent = TYPE_SYS_BUS_DEVICE, 1704 .instance_size = sizeof(SysBusDevice), 1705 .class_init = mv88w8618_wlan_class_init, 1706 }; 1707 1708 static void musicpal_register_types(void) 1709 { 1710 type_register_static(&mv88w8618_pic_info); 1711 type_register_static(&mv88w8618_pit_info); 1712 type_register_static(&mv88w8618_flashcfg_info); 1713 type_register_static(&mv88w8618_eth_info); 1714 type_register_static(&mv88w8618_wlan_info); 1715 type_register_static(&musicpal_lcd_info); 1716 type_register_static(&musicpal_gpio_info); 1717 type_register_static(&musicpal_key_info); 1718 type_register_static(&musicpal_misc_info); 1719 } 1720 1721 type_init(musicpal_register_types) 1722