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 "qemu/osdep.h" 13 #include "qapi/error.h" 14 #include "qemu-common.h" 15 #include "cpu.h" 16 #include "hw/sysbus.h" 17 #include "hw/arm/boot.h" 18 #include "net/net.h" 19 #include "sysemu/sysemu.h" 20 #include "hw/boards.h" 21 #include "hw/char/serial.h" 22 #include "qemu/timer.h" 23 #include "hw/ptimer.h" 24 #include "hw/block/flash.h" 25 #include "ui/console.h" 26 #include "hw/i2c/i2c.h" 27 #include "hw/audio/wm8750.h" 28 #include "sysemu/block-backend.h" 29 #include "exec/address-spaces.h" 30 #include "ui/pixel_ops.h" 31 32 #define MP_MISC_BASE 0x80002000 33 #define MP_MISC_SIZE 0x00001000 34 35 #define MP_ETH_BASE 0x80008000 36 #define MP_ETH_SIZE 0x00001000 37 38 #define MP_WLAN_BASE 0x8000C000 39 #define MP_WLAN_SIZE 0x00000800 40 41 #define MP_UART1_BASE 0x8000C840 42 #define MP_UART2_BASE 0x8000C940 43 44 #define MP_GPIO_BASE 0x8000D000 45 #define MP_GPIO_SIZE 0x00001000 46 47 #define MP_FLASHCFG_BASE 0x90006000 48 #define MP_FLASHCFG_SIZE 0x00001000 49 50 #define MP_AUDIO_BASE 0x90007000 51 52 #define MP_PIC_BASE 0x90008000 53 #define MP_PIC_SIZE 0x00001000 54 55 #define MP_PIT_BASE 0x90009000 56 #define MP_PIT_SIZE 0x00001000 57 58 #define MP_LCD_BASE 0x9000c000 59 #define MP_LCD_SIZE 0x00001000 60 61 #define MP_SRAM_BASE 0xC0000000 62 #define MP_SRAM_SIZE 0x00020000 63 64 #define MP_RAM_DEFAULT_SIZE 32*1024*1024 65 #define MP_FLASH_SIZE_MAX 32*1024*1024 66 67 #define MP_TIMER1_IRQ 4 68 #define MP_TIMER2_IRQ 5 69 #define MP_TIMER3_IRQ 6 70 #define MP_TIMER4_IRQ 7 71 #define MP_EHCI_IRQ 8 72 #define MP_ETH_IRQ 9 73 #define MP_UART1_IRQ 11 74 #define MP_UART2_IRQ 11 75 #define MP_GPIO_IRQ 12 76 #define MP_RTC_IRQ 28 77 #define MP_AUDIO_IRQ 30 78 79 /* Wolfson 8750 I2C address */ 80 #define MP_WM_ADDR 0x1A 81 82 /* Ethernet register offsets */ 83 #define MP_ETH_SMIR 0x010 84 #define MP_ETH_PCXR 0x408 85 #define MP_ETH_SDCMR 0x448 86 #define MP_ETH_ICR 0x450 87 #define MP_ETH_IMR 0x458 88 #define MP_ETH_FRDP0 0x480 89 #define MP_ETH_FRDP1 0x484 90 #define MP_ETH_FRDP2 0x488 91 #define MP_ETH_FRDP3 0x48C 92 #define MP_ETH_CRDP0 0x4A0 93 #define MP_ETH_CRDP1 0x4A4 94 #define MP_ETH_CRDP2 0x4A8 95 #define MP_ETH_CRDP3 0x4AC 96 #define MP_ETH_CTDP0 0x4E0 97 #define MP_ETH_CTDP1 0x4E4 98 99 /* MII PHY access */ 100 #define MP_ETH_SMIR_DATA 0x0000FFFF 101 #define MP_ETH_SMIR_ADDR 0x03FF0000 102 #define MP_ETH_SMIR_OPCODE (1 << 26) /* Read value */ 103 #define MP_ETH_SMIR_RDVALID (1 << 27) 104 105 /* PHY registers */ 106 #define MP_ETH_PHY1_BMSR 0x00210000 107 #define MP_ETH_PHY1_PHYSID1 0x00410000 108 #define MP_ETH_PHY1_PHYSID2 0x00610000 109 110 #define MP_PHY_BMSR_LINK 0x0004 111 #define MP_PHY_BMSR_AUTONEG 0x0008 112 113 #define MP_PHY_88E3015 0x01410E20 114 115 /* TX descriptor status */ 116 #define MP_ETH_TX_OWN (1U << 31) 117 118 /* RX descriptor status */ 119 #define MP_ETH_RX_OWN (1U << 31) 120 121 /* Interrupt cause/mask bits */ 122 #define MP_ETH_IRQ_RX_BIT 0 123 #define MP_ETH_IRQ_RX (1 << MP_ETH_IRQ_RX_BIT) 124 #define MP_ETH_IRQ_TXHI_BIT 2 125 #define MP_ETH_IRQ_TXLO_BIT 3 126 127 /* Port config bits */ 128 #define MP_ETH_PCXR_2BSM_BIT 28 /* 2-byte incoming suffix */ 129 130 /* SDMA command bits */ 131 #define MP_ETH_CMD_TXHI (1 << 23) 132 #define MP_ETH_CMD_TXLO (1 << 22) 133 134 typedef struct mv88w8618_tx_desc { 135 uint32_t cmdstat; 136 uint16_t res; 137 uint16_t bytes; 138 uint32_t buffer; 139 uint32_t next; 140 } mv88w8618_tx_desc; 141 142 typedef struct mv88w8618_rx_desc { 143 uint32_t cmdstat; 144 uint16_t bytes; 145 uint16_t buffer_size; 146 uint32_t buffer; 147 uint32_t next; 148 } mv88w8618_rx_desc; 149 150 #define TYPE_MV88W8618_ETH "mv88w8618_eth" 151 #define MV88W8618_ETH(obj) \ 152 OBJECT_CHECK(mv88w8618_eth_state, (obj), TYPE_MV88W8618_ETH) 153 154 typedef struct mv88w8618_eth_state { 155 /*< private >*/ 156 SysBusDevice parent_obj; 157 /*< public >*/ 158 159 MemoryRegion iomem; 160 qemu_irq irq; 161 uint32_t smir; 162 uint32_t icr; 163 uint32_t imr; 164 int mmio_index; 165 uint32_t vlan_header; 166 uint32_t tx_queue[2]; 167 uint32_t rx_queue[4]; 168 uint32_t frx_queue[4]; 169 uint32_t cur_rx[4]; 170 NICState *nic; 171 NICConf conf; 172 } mv88w8618_eth_state; 173 174 static void eth_rx_desc_put(uint32_t addr, mv88w8618_rx_desc *desc) 175 { 176 cpu_to_le32s(&desc->cmdstat); 177 cpu_to_le16s(&desc->bytes); 178 cpu_to_le16s(&desc->buffer_size); 179 cpu_to_le32s(&desc->buffer); 180 cpu_to_le32s(&desc->next); 181 cpu_physical_memory_write(addr, desc, sizeof(*desc)); 182 } 183 184 static void eth_rx_desc_get(uint32_t addr, mv88w8618_rx_desc *desc) 185 { 186 cpu_physical_memory_read(addr, desc, sizeof(*desc)); 187 le32_to_cpus(&desc->cmdstat); 188 le16_to_cpus(&desc->bytes); 189 le16_to_cpus(&desc->buffer_size); 190 le32_to_cpus(&desc->buffer); 191 le32_to_cpus(&desc->next); 192 } 193 194 static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size) 195 { 196 mv88w8618_eth_state *s = qemu_get_nic_opaque(nc); 197 uint32_t desc_addr; 198 mv88w8618_rx_desc desc; 199 int i; 200 201 for (i = 0; i < 4; i++) { 202 desc_addr = s->cur_rx[i]; 203 if (!desc_addr) { 204 continue; 205 } 206 do { 207 eth_rx_desc_get(desc_addr, &desc); 208 if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) { 209 cpu_physical_memory_write(desc.buffer + s->vlan_header, 210 buf, size); 211 desc.bytes = size + s->vlan_header; 212 desc.cmdstat &= ~MP_ETH_RX_OWN; 213 s->cur_rx[i] = desc.next; 214 215 s->icr |= MP_ETH_IRQ_RX; 216 if (s->icr & s->imr) { 217 qemu_irq_raise(s->irq); 218 } 219 eth_rx_desc_put(desc_addr, &desc); 220 return size; 221 } 222 desc_addr = desc.next; 223 } while (desc_addr != s->rx_queue[i]); 224 } 225 return size; 226 } 227 228 static void eth_tx_desc_put(uint32_t addr, mv88w8618_tx_desc *desc) 229 { 230 cpu_to_le32s(&desc->cmdstat); 231 cpu_to_le16s(&desc->res); 232 cpu_to_le16s(&desc->bytes); 233 cpu_to_le32s(&desc->buffer); 234 cpu_to_le32s(&desc->next); 235 cpu_physical_memory_write(addr, desc, sizeof(*desc)); 236 } 237 238 static void eth_tx_desc_get(uint32_t addr, mv88w8618_tx_desc *desc) 239 { 240 cpu_physical_memory_read(addr, desc, sizeof(*desc)); 241 le32_to_cpus(&desc->cmdstat); 242 le16_to_cpus(&desc->res); 243 le16_to_cpus(&desc->bytes); 244 le32_to_cpus(&desc->buffer); 245 le32_to_cpus(&desc->next); 246 } 247 248 static void eth_send(mv88w8618_eth_state *s, int queue_index) 249 { 250 uint32_t desc_addr = s->tx_queue[queue_index]; 251 mv88w8618_tx_desc desc; 252 uint32_t next_desc; 253 uint8_t buf[2048]; 254 int len; 255 256 do { 257 eth_tx_desc_get(desc_addr, &desc); 258 next_desc = desc.next; 259 if (desc.cmdstat & MP_ETH_TX_OWN) { 260 len = desc.bytes; 261 if (len < 2048) { 262 cpu_physical_memory_read(desc.buffer, buf, len); 263 qemu_send_packet(qemu_get_queue(s->nic), buf, len); 264 } 265 desc.cmdstat &= ~MP_ETH_TX_OWN; 266 s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index); 267 eth_tx_desc_put(desc_addr, &desc); 268 } 269 desc_addr = next_desc; 270 } while (desc_addr != s->tx_queue[queue_index]); 271 } 272 273 static uint64_t mv88w8618_eth_read(void *opaque, hwaddr offset, 274 unsigned size) 275 { 276 mv88w8618_eth_state *s = opaque; 277 278 switch (offset) { 279 case MP_ETH_SMIR: 280 if (s->smir & MP_ETH_SMIR_OPCODE) { 281 switch (s->smir & MP_ETH_SMIR_ADDR) { 282 case MP_ETH_PHY1_BMSR: 283 return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG | 284 MP_ETH_SMIR_RDVALID; 285 case MP_ETH_PHY1_PHYSID1: 286 return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID; 287 case MP_ETH_PHY1_PHYSID2: 288 return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID; 289 default: 290 return MP_ETH_SMIR_RDVALID; 291 } 292 } 293 return 0; 294 295 case MP_ETH_ICR: 296 return s->icr; 297 298 case MP_ETH_IMR: 299 return s->imr; 300 301 case MP_ETH_FRDP0 ... MP_ETH_FRDP3: 302 return s->frx_queue[(offset - MP_ETH_FRDP0)/4]; 303 304 case MP_ETH_CRDP0 ... MP_ETH_CRDP3: 305 return s->rx_queue[(offset - MP_ETH_CRDP0)/4]; 306 307 case MP_ETH_CTDP0 ... MP_ETH_CTDP1: 308 return s->tx_queue[(offset - MP_ETH_CTDP0)/4]; 309 310 default: 311 return 0; 312 } 313 } 314 315 static void mv88w8618_eth_write(void *opaque, hwaddr offset, 316 uint64_t value, unsigned size) 317 { 318 mv88w8618_eth_state *s = opaque; 319 320 switch (offset) { 321 case MP_ETH_SMIR: 322 s->smir = value; 323 break; 324 325 case MP_ETH_PCXR: 326 s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2; 327 break; 328 329 case MP_ETH_SDCMR: 330 if (value & MP_ETH_CMD_TXHI) { 331 eth_send(s, 1); 332 } 333 if (value & MP_ETH_CMD_TXLO) { 334 eth_send(s, 0); 335 } 336 if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) { 337 qemu_irq_raise(s->irq); 338 } 339 break; 340 341 case MP_ETH_ICR: 342 s->icr &= value; 343 break; 344 345 case MP_ETH_IMR: 346 s->imr = value; 347 if (s->icr & s->imr) { 348 qemu_irq_raise(s->irq); 349 } 350 break; 351 352 case MP_ETH_FRDP0 ... MP_ETH_FRDP3: 353 s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value; 354 break; 355 356 case MP_ETH_CRDP0 ... MP_ETH_CRDP3: 357 s->rx_queue[(offset - MP_ETH_CRDP0)/4] = 358 s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value; 359 break; 360 361 case MP_ETH_CTDP0 ... MP_ETH_CTDP1: 362 s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value; 363 break; 364 } 365 } 366 367 static const MemoryRegionOps mv88w8618_eth_ops = { 368 .read = mv88w8618_eth_read, 369 .write = mv88w8618_eth_write, 370 .endianness = DEVICE_NATIVE_ENDIAN, 371 }; 372 373 static void eth_cleanup(NetClientState *nc) 374 { 375 mv88w8618_eth_state *s = qemu_get_nic_opaque(nc); 376 377 s->nic = NULL; 378 } 379 380 static NetClientInfo net_mv88w8618_info = { 381 .type = NET_CLIENT_DRIVER_NIC, 382 .size = sizeof(NICState), 383 .receive = eth_receive, 384 .cleanup = eth_cleanup, 385 }; 386 387 static void mv88w8618_eth_init(Object *obj) 388 { 389 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 390 DeviceState *dev = DEVICE(sbd); 391 mv88w8618_eth_state *s = MV88W8618_ETH(dev); 392 393 sysbus_init_irq(sbd, &s->irq); 394 memory_region_init_io(&s->iomem, obj, &mv88w8618_eth_ops, s, 395 "mv88w8618-eth", MP_ETH_SIZE); 396 sysbus_init_mmio(sbd, &s->iomem); 397 } 398 399 static void mv88w8618_eth_realize(DeviceState *dev, Error **errp) 400 { 401 mv88w8618_eth_state *s = MV88W8618_ETH(dev); 402 403 s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf, 404 object_get_typename(OBJECT(dev)), dev->id, s); 405 } 406 407 static const VMStateDescription mv88w8618_eth_vmsd = { 408 .name = "mv88w8618_eth", 409 .version_id = 1, 410 .minimum_version_id = 1, 411 .fields = (VMStateField[]) { 412 VMSTATE_UINT32(smir, mv88w8618_eth_state), 413 VMSTATE_UINT32(icr, mv88w8618_eth_state), 414 VMSTATE_UINT32(imr, mv88w8618_eth_state), 415 VMSTATE_UINT32(vlan_header, mv88w8618_eth_state), 416 VMSTATE_UINT32_ARRAY(tx_queue, mv88w8618_eth_state, 2), 417 VMSTATE_UINT32_ARRAY(rx_queue, mv88w8618_eth_state, 4), 418 VMSTATE_UINT32_ARRAY(frx_queue, mv88w8618_eth_state, 4), 419 VMSTATE_UINT32_ARRAY(cur_rx, mv88w8618_eth_state, 4), 420 VMSTATE_END_OF_LIST() 421 } 422 }; 423 424 static Property mv88w8618_eth_properties[] = { 425 DEFINE_NIC_PROPERTIES(mv88w8618_eth_state, conf), 426 DEFINE_PROP_END_OF_LIST(), 427 }; 428 429 static void mv88w8618_eth_class_init(ObjectClass *klass, void *data) 430 { 431 DeviceClass *dc = DEVICE_CLASS(klass); 432 433 dc->vmsd = &mv88w8618_eth_vmsd; 434 dc->props = mv88w8618_eth_properties; 435 dc->realize = mv88w8618_eth_realize; 436 } 437 438 static const TypeInfo mv88w8618_eth_info = { 439 .name = TYPE_MV88W8618_ETH, 440 .parent = TYPE_SYS_BUS_DEVICE, 441 .instance_size = sizeof(mv88w8618_eth_state), 442 .instance_init = mv88w8618_eth_init, 443 .class_init = mv88w8618_eth_class_init, 444 }; 445 446 /* LCD register offsets */ 447 #define MP_LCD_IRQCTRL 0x180 448 #define MP_LCD_IRQSTAT 0x184 449 #define MP_LCD_SPICTRL 0x1ac 450 #define MP_LCD_INST 0x1bc 451 #define MP_LCD_DATA 0x1c0 452 453 /* Mode magics */ 454 #define MP_LCD_SPI_DATA 0x00100011 455 #define MP_LCD_SPI_CMD 0x00104011 456 #define MP_LCD_SPI_INVALID 0x00000000 457 458 /* Commmands */ 459 #define MP_LCD_INST_SETPAGE0 0xB0 460 /* ... */ 461 #define MP_LCD_INST_SETPAGE7 0xB7 462 463 #define MP_LCD_TEXTCOLOR 0xe0e0ff /* RRGGBB */ 464 465 #define TYPE_MUSICPAL_LCD "musicpal_lcd" 466 #define MUSICPAL_LCD(obj) \ 467 OBJECT_CHECK(musicpal_lcd_state, (obj), TYPE_MUSICPAL_LCD) 468 469 typedef struct musicpal_lcd_state { 470 /*< private >*/ 471 SysBusDevice parent_obj; 472 /*< public >*/ 473 474 MemoryRegion iomem; 475 uint32_t brightness; 476 uint32_t mode; 477 uint32_t irqctrl; 478 uint32_t page; 479 uint32_t page_off; 480 QemuConsole *con; 481 uint8_t video_ram[128*64/8]; 482 } musicpal_lcd_state; 483 484 static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col) 485 { 486 switch (s->brightness) { 487 case 7: 488 return col; 489 case 0: 490 return 0; 491 default: 492 return (col * s->brightness) / 7; 493 } 494 } 495 496 #define SET_LCD_PIXEL(depth, type) \ 497 static inline void glue(set_lcd_pixel, depth) \ 498 (musicpal_lcd_state *s, int x, int y, type col) \ 499 { \ 500 int dx, dy; \ 501 DisplaySurface *surface = qemu_console_surface(s->con); \ 502 type *pixel = &((type *) surface_data(surface))[(y * 128 * 3 + x) * 3]; \ 503 \ 504 for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \ 505 for (dx = 0; dx < 3; dx++, pixel++) \ 506 *pixel = col; \ 507 } 508 SET_LCD_PIXEL(8, uint8_t) 509 SET_LCD_PIXEL(16, uint16_t) 510 SET_LCD_PIXEL(32, uint32_t) 511 512 static void lcd_refresh(void *opaque) 513 { 514 musicpal_lcd_state *s = opaque; 515 DisplaySurface *surface = qemu_console_surface(s->con); 516 int x, y, col; 517 518 switch (surface_bits_per_pixel(surface)) { 519 case 0: 520 return; 521 #define LCD_REFRESH(depth, func) \ 522 case depth: \ 523 col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \ 524 scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \ 525 scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \ 526 for (x = 0; x < 128; x++) { \ 527 for (y = 0; y < 64; y++) { \ 528 if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \ 529 glue(set_lcd_pixel, depth)(s, x, y, col); \ 530 } else { \ 531 glue(set_lcd_pixel, depth)(s, x, y, 0); \ 532 } \ 533 } \ 534 } \ 535 break; 536 LCD_REFRESH(8, rgb_to_pixel8) 537 LCD_REFRESH(16, rgb_to_pixel16) 538 LCD_REFRESH(32, (is_surface_bgr(surface) ? 539 rgb_to_pixel32bgr : rgb_to_pixel32)) 540 default: 541 hw_error("unsupported colour depth %i\n", 542 surface_bits_per_pixel(surface)); 543 } 544 545 dpy_gfx_update(s->con, 0, 0, 128*3, 64*3); 546 } 547 548 static void lcd_invalidate(void *opaque) 549 { 550 } 551 552 static void musicpal_lcd_gpio_brightness_in(void *opaque, int irq, int level) 553 { 554 musicpal_lcd_state *s = opaque; 555 s->brightness &= ~(1 << irq); 556 s->brightness |= level << irq; 557 } 558 559 static uint64_t musicpal_lcd_read(void *opaque, hwaddr offset, 560 unsigned size) 561 { 562 musicpal_lcd_state *s = opaque; 563 564 switch (offset) { 565 case MP_LCD_IRQCTRL: 566 return s->irqctrl; 567 568 default: 569 return 0; 570 } 571 } 572 573 static void musicpal_lcd_write(void *opaque, hwaddr offset, 574 uint64_t value, unsigned size) 575 { 576 musicpal_lcd_state *s = opaque; 577 578 switch (offset) { 579 case MP_LCD_IRQCTRL: 580 s->irqctrl = value; 581 break; 582 583 case MP_LCD_SPICTRL: 584 if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) { 585 s->mode = value; 586 } else { 587 s->mode = MP_LCD_SPI_INVALID; 588 } 589 break; 590 591 case MP_LCD_INST: 592 if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) { 593 s->page = value - MP_LCD_INST_SETPAGE0; 594 s->page_off = 0; 595 } 596 break; 597 598 case MP_LCD_DATA: 599 if (s->mode == MP_LCD_SPI_CMD) { 600 if (value >= MP_LCD_INST_SETPAGE0 && 601 value <= MP_LCD_INST_SETPAGE7) { 602 s->page = value - MP_LCD_INST_SETPAGE0; 603 s->page_off = 0; 604 } 605 } else if (s->mode == MP_LCD_SPI_DATA) { 606 s->video_ram[s->page*128 + s->page_off] = value; 607 s->page_off = (s->page_off + 1) & 127; 608 } 609 break; 610 } 611 } 612 613 static const MemoryRegionOps musicpal_lcd_ops = { 614 .read = musicpal_lcd_read, 615 .write = musicpal_lcd_write, 616 .endianness = DEVICE_NATIVE_ENDIAN, 617 }; 618 619 static const GraphicHwOps musicpal_gfx_ops = { 620 .invalidate = lcd_invalidate, 621 .gfx_update = lcd_refresh, 622 }; 623 624 static void musicpal_lcd_realize(DeviceState *dev, Error **errp) 625 { 626 musicpal_lcd_state *s = MUSICPAL_LCD(dev); 627 s->con = graphic_console_init(dev, 0, &musicpal_gfx_ops, s); 628 qemu_console_resize(s->con, 128 * 3, 64 * 3); 629 } 630 631 static void musicpal_lcd_init(Object *obj) 632 { 633 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 634 DeviceState *dev = DEVICE(sbd); 635 musicpal_lcd_state *s = MUSICPAL_LCD(dev); 636 637 s->brightness = 7; 638 639 memory_region_init_io(&s->iomem, obj, &musicpal_lcd_ops, s, 640 "musicpal-lcd", MP_LCD_SIZE); 641 sysbus_init_mmio(sbd, &s->iomem); 642 643 qdev_init_gpio_in(dev, musicpal_lcd_gpio_brightness_in, 3); 644 } 645 646 static const VMStateDescription musicpal_lcd_vmsd = { 647 .name = "musicpal_lcd", 648 .version_id = 1, 649 .minimum_version_id = 1, 650 .fields = (VMStateField[]) { 651 VMSTATE_UINT32(brightness, musicpal_lcd_state), 652 VMSTATE_UINT32(mode, musicpal_lcd_state), 653 VMSTATE_UINT32(irqctrl, musicpal_lcd_state), 654 VMSTATE_UINT32(page, musicpal_lcd_state), 655 VMSTATE_UINT32(page_off, musicpal_lcd_state), 656 VMSTATE_BUFFER(video_ram, musicpal_lcd_state), 657 VMSTATE_END_OF_LIST() 658 } 659 }; 660 661 static void musicpal_lcd_class_init(ObjectClass *klass, void *data) 662 { 663 DeviceClass *dc = DEVICE_CLASS(klass); 664 665 dc->vmsd = &musicpal_lcd_vmsd; 666 dc->realize = musicpal_lcd_realize; 667 } 668 669 static const TypeInfo musicpal_lcd_info = { 670 .name = TYPE_MUSICPAL_LCD, 671 .parent = TYPE_SYS_BUS_DEVICE, 672 .instance_size = sizeof(musicpal_lcd_state), 673 .instance_init = musicpal_lcd_init, 674 .class_init = musicpal_lcd_class_init, 675 }; 676 677 /* PIC register offsets */ 678 #define MP_PIC_STATUS 0x00 679 #define MP_PIC_ENABLE_SET 0x08 680 #define MP_PIC_ENABLE_CLR 0x0C 681 682 #define TYPE_MV88W8618_PIC "mv88w8618_pic" 683 #define MV88W8618_PIC(obj) \ 684 OBJECT_CHECK(mv88w8618_pic_state, (obj), TYPE_MV88W8618_PIC) 685 686 typedef struct mv88w8618_pic_state { 687 /*< private >*/ 688 SysBusDevice parent_obj; 689 /*< public >*/ 690 691 MemoryRegion iomem; 692 uint32_t level; 693 uint32_t enabled; 694 qemu_irq parent_irq; 695 } mv88w8618_pic_state; 696 697 static void mv88w8618_pic_update(mv88w8618_pic_state *s) 698 { 699 qemu_set_irq(s->parent_irq, (s->level & s->enabled)); 700 } 701 702 static void mv88w8618_pic_set_irq(void *opaque, int irq, int level) 703 { 704 mv88w8618_pic_state *s = opaque; 705 706 if (level) { 707 s->level |= 1 << irq; 708 } else { 709 s->level &= ~(1 << irq); 710 } 711 mv88w8618_pic_update(s); 712 } 713 714 static uint64_t mv88w8618_pic_read(void *opaque, hwaddr offset, 715 unsigned size) 716 { 717 mv88w8618_pic_state *s = opaque; 718 719 switch (offset) { 720 case MP_PIC_STATUS: 721 return s->level & s->enabled; 722 723 default: 724 return 0; 725 } 726 } 727 728 static void mv88w8618_pic_write(void *opaque, hwaddr offset, 729 uint64_t value, unsigned size) 730 { 731 mv88w8618_pic_state *s = opaque; 732 733 switch (offset) { 734 case MP_PIC_ENABLE_SET: 735 s->enabled |= value; 736 break; 737 738 case MP_PIC_ENABLE_CLR: 739 s->enabled &= ~value; 740 s->level &= ~value; 741 break; 742 } 743 mv88w8618_pic_update(s); 744 } 745 746 static void mv88w8618_pic_reset(DeviceState *d) 747 { 748 mv88w8618_pic_state *s = MV88W8618_PIC(d); 749 750 s->level = 0; 751 s->enabled = 0; 752 } 753 754 static const MemoryRegionOps mv88w8618_pic_ops = { 755 .read = mv88w8618_pic_read, 756 .write = mv88w8618_pic_write, 757 .endianness = DEVICE_NATIVE_ENDIAN, 758 }; 759 760 static void mv88w8618_pic_init(Object *obj) 761 { 762 SysBusDevice *dev = SYS_BUS_DEVICE(obj); 763 mv88w8618_pic_state *s = MV88W8618_PIC(dev); 764 765 qdev_init_gpio_in(DEVICE(dev), mv88w8618_pic_set_irq, 32); 766 sysbus_init_irq(dev, &s->parent_irq); 767 memory_region_init_io(&s->iomem, obj, &mv88w8618_pic_ops, s, 768 "musicpal-pic", MP_PIC_SIZE); 769 sysbus_init_mmio(dev, &s->iomem); 770 } 771 772 static const VMStateDescription mv88w8618_pic_vmsd = { 773 .name = "mv88w8618_pic", 774 .version_id = 1, 775 .minimum_version_id = 1, 776 .fields = (VMStateField[]) { 777 VMSTATE_UINT32(level, mv88w8618_pic_state), 778 VMSTATE_UINT32(enabled, mv88w8618_pic_state), 779 VMSTATE_END_OF_LIST() 780 } 781 }; 782 783 static void mv88w8618_pic_class_init(ObjectClass *klass, void *data) 784 { 785 DeviceClass *dc = DEVICE_CLASS(klass); 786 787 dc->reset = mv88w8618_pic_reset; 788 dc->vmsd = &mv88w8618_pic_vmsd; 789 } 790 791 static const TypeInfo mv88w8618_pic_info = { 792 .name = TYPE_MV88W8618_PIC, 793 .parent = TYPE_SYS_BUS_DEVICE, 794 .instance_size = sizeof(mv88w8618_pic_state), 795 .instance_init = mv88w8618_pic_init, 796 .class_init = mv88w8618_pic_class_init, 797 }; 798 799 /* PIT register offsets */ 800 #define MP_PIT_TIMER1_LENGTH 0x00 801 /* ... */ 802 #define MP_PIT_TIMER4_LENGTH 0x0C 803 #define MP_PIT_CONTROL 0x10 804 #define MP_PIT_TIMER1_VALUE 0x14 805 /* ... */ 806 #define MP_PIT_TIMER4_VALUE 0x20 807 #define MP_BOARD_RESET 0x34 808 809 /* Magic board reset value (probably some watchdog behind it) */ 810 #define MP_BOARD_RESET_MAGIC 0x10000 811 812 typedef struct mv88w8618_timer_state { 813 ptimer_state *ptimer; 814 uint32_t limit; 815 int freq; 816 qemu_irq irq; 817 } mv88w8618_timer_state; 818 819 #define TYPE_MV88W8618_PIT "mv88w8618_pit" 820 #define MV88W8618_PIT(obj) \ 821 OBJECT_CHECK(mv88w8618_pit_state, (obj), TYPE_MV88W8618_PIT) 822 823 typedef struct mv88w8618_pit_state { 824 /*< private >*/ 825 SysBusDevice parent_obj; 826 /*< public >*/ 827 828 MemoryRegion iomem; 829 mv88w8618_timer_state timer[4]; 830 } mv88w8618_pit_state; 831 832 static void mv88w8618_timer_tick(void *opaque) 833 { 834 mv88w8618_timer_state *s = opaque; 835 836 qemu_irq_raise(s->irq); 837 } 838 839 static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s, 840 uint32_t freq) 841 { 842 QEMUBH *bh; 843 844 sysbus_init_irq(dev, &s->irq); 845 s->freq = freq; 846 847 bh = qemu_bh_new(mv88w8618_timer_tick, s); 848 s->ptimer = ptimer_init(bh, PTIMER_POLICY_DEFAULT); 849 } 850 851 static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset, 852 unsigned size) 853 { 854 mv88w8618_pit_state *s = opaque; 855 mv88w8618_timer_state *t; 856 857 switch (offset) { 858 case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE: 859 t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2]; 860 return ptimer_get_count(t->ptimer); 861 862 default: 863 return 0; 864 } 865 } 866 867 static void mv88w8618_pit_write(void *opaque, hwaddr offset, 868 uint64_t value, unsigned size) 869 { 870 mv88w8618_pit_state *s = opaque; 871 mv88w8618_timer_state *t; 872 int i; 873 874 switch (offset) { 875 case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH: 876 t = &s->timer[offset >> 2]; 877 t->limit = value; 878 if (t->limit > 0) { 879 ptimer_set_limit(t->ptimer, t->limit, 1); 880 } else { 881 ptimer_stop(t->ptimer); 882 } 883 break; 884 885 case MP_PIT_CONTROL: 886 for (i = 0; i < 4; i++) { 887 t = &s->timer[i]; 888 if (value & 0xf && t->limit > 0) { 889 ptimer_set_limit(t->ptimer, t->limit, 0); 890 ptimer_set_freq(t->ptimer, t->freq); 891 ptimer_run(t->ptimer, 0); 892 } else { 893 ptimer_stop(t->ptimer); 894 } 895 value >>= 4; 896 } 897 break; 898 899 case MP_BOARD_RESET: 900 if (value == MP_BOARD_RESET_MAGIC) { 901 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 902 } 903 break; 904 } 905 } 906 907 static void mv88w8618_pit_reset(DeviceState *d) 908 { 909 mv88w8618_pit_state *s = MV88W8618_PIT(d); 910 int i; 911 912 for (i = 0; i < 4; i++) { 913 ptimer_stop(s->timer[i].ptimer); 914 s->timer[i].limit = 0; 915 } 916 } 917 918 static const MemoryRegionOps mv88w8618_pit_ops = { 919 .read = mv88w8618_pit_read, 920 .write = mv88w8618_pit_write, 921 .endianness = DEVICE_NATIVE_ENDIAN, 922 }; 923 924 static void mv88w8618_pit_init(Object *obj) 925 { 926 SysBusDevice *dev = SYS_BUS_DEVICE(obj); 927 mv88w8618_pit_state *s = MV88W8618_PIT(dev); 928 int i; 929 930 /* Letting them all run at 1 MHz is likely just a pragmatic 931 * simplification. */ 932 for (i = 0; i < 4; i++) { 933 mv88w8618_timer_init(dev, &s->timer[i], 1000000); 934 } 935 936 memory_region_init_io(&s->iomem, obj, &mv88w8618_pit_ops, s, 937 "musicpal-pit", MP_PIT_SIZE); 938 sysbus_init_mmio(dev, &s->iomem); 939 } 940 941 static const VMStateDescription mv88w8618_timer_vmsd = { 942 .name = "timer", 943 .version_id = 1, 944 .minimum_version_id = 1, 945 .fields = (VMStateField[]) { 946 VMSTATE_PTIMER(ptimer, mv88w8618_timer_state), 947 VMSTATE_UINT32(limit, mv88w8618_timer_state), 948 VMSTATE_END_OF_LIST() 949 } 950 }; 951 952 static const VMStateDescription mv88w8618_pit_vmsd = { 953 .name = "mv88w8618_pit", 954 .version_id = 1, 955 .minimum_version_id = 1, 956 .fields = (VMStateField[]) { 957 VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1, 958 mv88w8618_timer_vmsd, mv88w8618_timer_state), 959 VMSTATE_END_OF_LIST() 960 } 961 }; 962 963 static void mv88w8618_pit_class_init(ObjectClass *klass, void *data) 964 { 965 DeviceClass *dc = DEVICE_CLASS(klass); 966 967 dc->reset = mv88w8618_pit_reset; 968 dc->vmsd = &mv88w8618_pit_vmsd; 969 } 970 971 static const TypeInfo mv88w8618_pit_info = { 972 .name = TYPE_MV88W8618_PIT, 973 .parent = TYPE_SYS_BUS_DEVICE, 974 .instance_size = sizeof(mv88w8618_pit_state), 975 .instance_init = mv88w8618_pit_init, 976 .class_init = mv88w8618_pit_class_init, 977 }; 978 979 /* Flash config register offsets */ 980 #define MP_FLASHCFG_CFGR0 0x04 981 982 #define TYPE_MV88W8618_FLASHCFG "mv88w8618_flashcfg" 983 #define MV88W8618_FLASHCFG(obj) \ 984 OBJECT_CHECK(mv88w8618_flashcfg_state, (obj), TYPE_MV88W8618_FLASHCFG) 985 986 typedef struct mv88w8618_flashcfg_state { 987 /*< private >*/ 988 SysBusDevice parent_obj; 989 /*< public >*/ 990 991 MemoryRegion iomem; 992 uint32_t cfgr0; 993 } mv88w8618_flashcfg_state; 994 995 static uint64_t mv88w8618_flashcfg_read(void *opaque, 996 hwaddr offset, 997 unsigned size) 998 { 999 mv88w8618_flashcfg_state *s = opaque; 1000 1001 switch (offset) { 1002 case MP_FLASHCFG_CFGR0: 1003 return s->cfgr0; 1004 1005 default: 1006 return 0; 1007 } 1008 } 1009 1010 static void mv88w8618_flashcfg_write(void *opaque, hwaddr offset, 1011 uint64_t value, unsigned size) 1012 { 1013 mv88w8618_flashcfg_state *s = opaque; 1014 1015 switch (offset) { 1016 case MP_FLASHCFG_CFGR0: 1017 s->cfgr0 = value; 1018 break; 1019 } 1020 } 1021 1022 static const MemoryRegionOps mv88w8618_flashcfg_ops = { 1023 .read = mv88w8618_flashcfg_read, 1024 .write = mv88w8618_flashcfg_write, 1025 .endianness = DEVICE_NATIVE_ENDIAN, 1026 }; 1027 1028 static void mv88w8618_flashcfg_init(Object *obj) 1029 { 1030 SysBusDevice *dev = SYS_BUS_DEVICE(obj); 1031 mv88w8618_flashcfg_state *s = MV88W8618_FLASHCFG(dev); 1032 1033 s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */ 1034 memory_region_init_io(&s->iomem, obj, &mv88w8618_flashcfg_ops, s, 1035 "musicpal-flashcfg", MP_FLASHCFG_SIZE); 1036 sysbus_init_mmio(dev, &s->iomem); 1037 } 1038 1039 static const VMStateDescription mv88w8618_flashcfg_vmsd = { 1040 .name = "mv88w8618_flashcfg", 1041 .version_id = 1, 1042 .minimum_version_id = 1, 1043 .fields = (VMStateField[]) { 1044 VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state), 1045 VMSTATE_END_OF_LIST() 1046 } 1047 }; 1048 1049 static void mv88w8618_flashcfg_class_init(ObjectClass *klass, void *data) 1050 { 1051 DeviceClass *dc = DEVICE_CLASS(klass); 1052 1053 dc->vmsd = &mv88w8618_flashcfg_vmsd; 1054 } 1055 1056 static const TypeInfo mv88w8618_flashcfg_info = { 1057 .name = TYPE_MV88W8618_FLASHCFG, 1058 .parent = TYPE_SYS_BUS_DEVICE, 1059 .instance_size = sizeof(mv88w8618_flashcfg_state), 1060 .instance_init = mv88w8618_flashcfg_init, 1061 .class_init = mv88w8618_flashcfg_class_init, 1062 }; 1063 1064 /* Misc register offsets */ 1065 #define MP_MISC_BOARD_REVISION 0x18 1066 1067 #define MP_BOARD_REVISION 0x31 1068 1069 typedef struct { 1070 SysBusDevice parent_obj; 1071 MemoryRegion iomem; 1072 } MusicPalMiscState; 1073 1074 #define TYPE_MUSICPAL_MISC "musicpal-misc" 1075 #define MUSICPAL_MISC(obj) \ 1076 OBJECT_CHECK(MusicPalMiscState, (obj), TYPE_MUSICPAL_MISC) 1077 1078 static uint64_t musicpal_misc_read(void *opaque, hwaddr offset, 1079 unsigned size) 1080 { 1081 switch (offset) { 1082 case MP_MISC_BOARD_REVISION: 1083 return MP_BOARD_REVISION; 1084 1085 default: 1086 return 0; 1087 } 1088 } 1089 1090 static void musicpal_misc_write(void *opaque, hwaddr offset, 1091 uint64_t value, unsigned size) 1092 { 1093 } 1094 1095 static const MemoryRegionOps musicpal_misc_ops = { 1096 .read = musicpal_misc_read, 1097 .write = musicpal_misc_write, 1098 .endianness = DEVICE_NATIVE_ENDIAN, 1099 }; 1100 1101 static void musicpal_misc_init(Object *obj) 1102 { 1103 SysBusDevice *sd = SYS_BUS_DEVICE(obj); 1104 MusicPalMiscState *s = MUSICPAL_MISC(obj); 1105 1106 memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_misc_ops, NULL, 1107 "musicpal-misc", MP_MISC_SIZE); 1108 sysbus_init_mmio(sd, &s->iomem); 1109 } 1110 1111 static const TypeInfo musicpal_misc_info = { 1112 .name = TYPE_MUSICPAL_MISC, 1113 .parent = TYPE_SYS_BUS_DEVICE, 1114 .instance_init = musicpal_misc_init, 1115 .instance_size = sizeof(MusicPalMiscState), 1116 }; 1117 1118 /* WLAN register offsets */ 1119 #define MP_WLAN_MAGIC1 0x11c 1120 #define MP_WLAN_MAGIC2 0x124 1121 1122 static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset, 1123 unsigned size) 1124 { 1125 switch (offset) { 1126 /* Workaround to allow loading the binary-only wlandrv.ko crap 1127 * from the original Freecom firmware. */ 1128 case MP_WLAN_MAGIC1: 1129 return ~3; 1130 case MP_WLAN_MAGIC2: 1131 return -1; 1132 1133 default: 1134 return 0; 1135 } 1136 } 1137 1138 static void mv88w8618_wlan_write(void *opaque, hwaddr offset, 1139 uint64_t value, unsigned size) 1140 { 1141 } 1142 1143 static const MemoryRegionOps mv88w8618_wlan_ops = { 1144 .read = mv88w8618_wlan_read, 1145 .write =mv88w8618_wlan_write, 1146 .endianness = DEVICE_NATIVE_ENDIAN, 1147 }; 1148 1149 static void mv88w8618_wlan_realize(DeviceState *dev, Error **errp) 1150 { 1151 MemoryRegion *iomem = g_new(MemoryRegion, 1); 1152 1153 memory_region_init_io(iomem, OBJECT(dev), &mv88w8618_wlan_ops, NULL, 1154 "musicpal-wlan", MP_WLAN_SIZE); 1155 sysbus_init_mmio(SYS_BUS_DEVICE(dev), iomem); 1156 } 1157 1158 /* GPIO register offsets */ 1159 #define MP_GPIO_OE_LO 0x008 1160 #define MP_GPIO_OUT_LO 0x00c 1161 #define MP_GPIO_IN_LO 0x010 1162 #define MP_GPIO_IER_LO 0x014 1163 #define MP_GPIO_IMR_LO 0x018 1164 #define MP_GPIO_ISR_LO 0x020 1165 #define MP_GPIO_OE_HI 0x508 1166 #define MP_GPIO_OUT_HI 0x50c 1167 #define MP_GPIO_IN_HI 0x510 1168 #define MP_GPIO_IER_HI 0x514 1169 #define MP_GPIO_IMR_HI 0x518 1170 #define MP_GPIO_ISR_HI 0x520 1171 1172 /* GPIO bits & masks */ 1173 #define MP_GPIO_LCD_BRIGHTNESS 0x00070000 1174 #define MP_GPIO_I2C_DATA_BIT 29 1175 #define MP_GPIO_I2C_CLOCK_BIT 30 1176 1177 /* LCD brightness bits in GPIO_OE_HI */ 1178 #define MP_OE_LCD_BRIGHTNESS 0x0007 1179 1180 #define TYPE_MUSICPAL_GPIO "musicpal_gpio" 1181 #define MUSICPAL_GPIO(obj) \ 1182 OBJECT_CHECK(musicpal_gpio_state, (obj), TYPE_MUSICPAL_GPIO) 1183 1184 typedef struct musicpal_gpio_state { 1185 /*< private >*/ 1186 SysBusDevice parent_obj; 1187 /*< public >*/ 1188 1189 MemoryRegion iomem; 1190 uint32_t lcd_brightness; 1191 uint32_t out_state; 1192 uint32_t in_state; 1193 uint32_t ier; 1194 uint32_t imr; 1195 uint32_t isr; 1196 qemu_irq irq; 1197 qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */ 1198 } musicpal_gpio_state; 1199 1200 static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) { 1201 int i; 1202 uint32_t brightness; 1203 1204 /* compute brightness ratio */ 1205 switch (s->lcd_brightness) { 1206 case 0x00000007: 1207 brightness = 0; 1208 break; 1209 1210 case 0x00020000: 1211 brightness = 1; 1212 break; 1213 1214 case 0x00020001: 1215 brightness = 2; 1216 break; 1217 1218 case 0x00040000: 1219 brightness = 3; 1220 break; 1221 1222 case 0x00010006: 1223 brightness = 4; 1224 break; 1225 1226 case 0x00020005: 1227 brightness = 5; 1228 break; 1229 1230 case 0x00040003: 1231 brightness = 6; 1232 break; 1233 1234 case 0x00030004: 1235 default: 1236 brightness = 7; 1237 } 1238 1239 /* set lcd brightness GPIOs */ 1240 for (i = 0; i <= 2; i++) { 1241 qemu_set_irq(s->out[i], (brightness >> i) & 1); 1242 } 1243 } 1244 1245 static void musicpal_gpio_pin_event(void *opaque, int pin, int level) 1246 { 1247 musicpal_gpio_state *s = opaque; 1248 uint32_t mask = 1 << pin; 1249 uint32_t delta = level << pin; 1250 uint32_t old = s->in_state & mask; 1251 1252 s->in_state &= ~mask; 1253 s->in_state |= delta; 1254 1255 if ((old ^ delta) && 1256 ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) { 1257 s->isr = mask; 1258 qemu_irq_raise(s->irq); 1259 } 1260 } 1261 1262 static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset, 1263 unsigned size) 1264 { 1265 musicpal_gpio_state *s = opaque; 1266 1267 switch (offset) { 1268 case MP_GPIO_OE_HI: /* used for LCD brightness control */ 1269 return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS; 1270 1271 case MP_GPIO_OUT_LO: 1272 return s->out_state & 0xFFFF; 1273 case MP_GPIO_OUT_HI: 1274 return s->out_state >> 16; 1275 1276 case MP_GPIO_IN_LO: 1277 return s->in_state & 0xFFFF; 1278 case MP_GPIO_IN_HI: 1279 return s->in_state >> 16; 1280 1281 case MP_GPIO_IER_LO: 1282 return s->ier & 0xFFFF; 1283 case MP_GPIO_IER_HI: 1284 return s->ier >> 16; 1285 1286 case MP_GPIO_IMR_LO: 1287 return s->imr & 0xFFFF; 1288 case MP_GPIO_IMR_HI: 1289 return s->imr >> 16; 1290 1291 case MP_GPIO_ISR_LO: 1292 return s->isr & 0xFFFF; 1293 case MP_GPIO_ISR_HI: 1294 return s->isr >> 16; 1295 1296 default: 1297 return 0; 1298 } 1299 } 1300 1301 static void musicpal_gpio_write(void *opaque, hwaddr offset, 1302 uint64_t value, unsigned size) 1303 { 1304 musicpal_gpio_state *s = opaque; 1305 switch (offset) { 1306 case MP_GPIO_OE_HI: /* used for LCD brightness control */ 1307 s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) | 1308 (value & MP_OE_LCD_BRIGHTNESS); 1309 musicpal_gpio_brightness_update(s); 1310 break; 1311 1312 case MP_GPIO_OUT_LO: 1313 s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF); 1314 break; 1315 case MP_GPIO_OUT_HI: 1316 s->out_state = (s->out_state & 0xFFFF) | (value << 16); 1317 s->lcd_brightness = (s->lcd_brightness & 0xFFFF) | 1318 (s->out_state & MP_GPIO_LCD_BRIGHTNESS); 1319 musicpal_gpio_brightness_update(s); 1320 qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1); 1321 qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1); 1322 break; 1323 1324 case MP_GPIO_IER_LO: 1325 s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF); 1326 break; 1327 case MP_GPIO_IER_HI: 1328 s->ier = (s->ier & 0xFFFF) | (value << 16); 1329 break; 1330 1331 case MP_GPIO_IMR_LO: 1332 s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF); 1333 break; 1334 case MP_GPIO_IMR_HI: 1335 s->imr = (s->imr & 0xFFFF) | (value << 16); 1336 break; 1337 } 1338 } 1339 1340 static const MemoryRegionOps musicpal_gpio_ops = { 1341 .read = musicpal_gpio_read, 1342 .write = musicpal_gpio_write, 1343 .endianness = DEVICE_NATIVE_ENDIAN, 1344 }; 1345 1346 static void musicpal_gpio_reset(DeviceState *d) 1347 { 1348 musicpal_gpio_state *s = MUSICPAL_GPIO(d); 1349 1350 s->lcd_brightness = 0; 1351 s->out_state = 0; 1352 s->in_state = 0xffffffff; 1353 s->ier = 0; 1354 s->imr = 0; 1355 s->isr = 0; 1356 } 1357 1358 static void musicpal_gpio_init(Object *obj) 1359 { 1360 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 1361 DeviceState *dev = DEVICE(sbd); 1362 musicpal_gpio_state *s = MUSICPAL_GPIO(dev); 1363 1364 sysbus_init_irq(sbd, &s->irq); 1365 1366 memory_region_init_io(&s->iomem, obj, &musicpal_gpio_ops, s, 1367 "musicpal-gpio", MP_GPIO_SIZE); 1368 sysbus_init_mmio(sbd, &s->iomem); 1369 1370 qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out)); 1371 1372 qdev_init_gpio_in(dev, musicpal_gpio_pin_event, 32); 1373 } 1374 1375 static const VMStateDescription musicpal_gpio_vmsd = { 1376 .name = "musicpal_gpio", 1377 .version_id = 1, 1378 .minimum_version_id = 1, 1379 .fields = (VMStateField[]) { 1380 VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state), 1381 VMSTATE_UINT32(out_state, musicpal_gpio_state), 1382 VMSTATE_UINT32(in_state, musicpal_gpio_state), 1383 VMSTATE_UINT32(ier, musicpal_gpio_state), 1384 VMSTATE_UINT32(imr, musicpal_gpio_state), 1385 VMSTATE_UINT32(isr, musicpal_gpio_state), 1386 VMSTATE_END_OF_LIST() 1387 } 1388 }; 1389 1390 static void musicpal_gpio_class_init(ObjectClass *klass, void *data) 1391 { 1392 DeviceClass *dc = DEVICE_CLASS(klass); 1393 1394 dc->reset = musicpal_gpio_reset; 1395 dc->vmsd = &musicpal_gpio_vmsd; 1396 } 1397 1398 static const TypeInfo musicpal_gpio_info = { 1399 .name = TYPE_MUSICPAL_GPIO, 1400 .parent = TYPE_SYS_BUS_DEVICE, 1401 .instance_size = sizeof(musicpal_gpio_state), 1402 .instance_init = musicpal_gpio_init, 1403 .class_init = musicpal_gpio_class_init, 1404 }; 1405 1406 /* Keyboard codes & masks */ 1407 #define KEY_RELEASED 0x80 1408 #define KEY_CODE 0x7f 1409 1410 #define KEYCODE_TAB 0x0f 1411 #define KEYCODE_ENTER 0x1c 1412 #define KEYCODE_F 0x21 1413 #define KEYCODE_M 0x32 1414 1415 #define KEYCODE_EXTENDED 0xe0 1416 #define KEYCODE_UP 0x48 1417 #define KEYCODE_DOWN 0x50 1418 #define KEYCODE_LEFT 0x4b 1419 #define KEYCODE_RIGHT 0x4d 1420 1421 #define MP_KEY_WHEEL_VOL (1 << 0) 1422 #define MP_KEY_WHEEL_VOL_INV (1 << 1) 1423 #define MP_KEY_WHEEL_NAV (1 << 2) 1424 #define MP_KEY_WHEEL_NAV_INV (1 << 3) 1425 #define MP_KEY_BTN_FAVORITS (1 << 4) 1426 #define MP_KEY_BTN_MENU (1 << 5) 1427 #define MP_KEY_BTN_VOLUME (1 << 6) 1428 #define MP_KEY_BTN_NAVIGATION (1 << 7) 1429 1430 #define TYPE_MUSICPAL_KEY "musicpal_key" 1431 #define MUSICPAL_KEY(obj) \ 1432 OBJECT_CHECK(musicpal_key_state, (obj), TYPE_MUSICPAL_KEY) 1433 1434 typedef struct musicpal_key_state { 1435 /*< private >*/ 1436 SysBusDevice parent_obj; 1437 /*< public >*/ 1438 1439 MemoryRegion iomem; 1440 uint32_t kbd_extended; 1441 uint32_t pressed_keys; 1442 qemu_irq out[8]; 1443 } musicpal_key_state; 1444 1445 static void musicpal_key_event(void *opaque, int keycode) 1446 { 1447 musicpal_key_state *s = opaque; 1448 uint32_t event = 0; 1449 int i; 1450 1451 if (keycode == KEYCODE_EXTENDED) { 1452 s->kbd_extended = 1; 1453 return; 1454 } 1455 1456 if (s->kbd_extended) { 1457 switch (keycode & KEY_CODE) { 1458 case KEYCODE_UP: 1459 event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV; 1460 break; 1461 1462 case KEYCODE_DOWN: 1463 event = MP_KEY_WHEEL_NAV; 1464 break; 1465 1466 case KEYCODE_LEFT: 1467 event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV; 1468 break; 1469 1470 case KEYCODE_RIGHT: 1471 event = MP_KEY_WHEEL_VOL; 1472 break; 1473 } 1474 } else { 1475 switch (keycode & KEY_CODE) { 1476 case KEYCODE_F: 1477 event = MP_KEY_BTN_FAVORITS; 1478 break; 1479 1480 case KEYCODE_TAB: 1481 event = MP_KEY_BTN_VOLUME; 1482 break; 1483 1484 case KEYCODE_ENTER: 1485 event = MP_KEY_BTN_NAVIGATION; 1486 break; 1487 1488 case KEYCODE_M: 1489 event = MP_KEY_BTN_MENU; 1490 break; 1491 } 1492 /* Do not repeat already pressed buttons */ 1493 if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) { 1494 event = 0; 1495 } 1496 } 1497 1498 if (event) { 1499 /* Raise GPIO pin first if repeating a key */ 1500 if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) { 1501 for (i = 0; i <= 7; i++) { 1502 if (event & (1 << i)) { 1503 qemu_set_irq(s->out[i], 1); 1504 } 1505 } 1506 } 1507 for (i = 0; i <= 7; i++) { 1508 if (event & (1 << i)) { 1509 qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED)); 1510 } 1511 } 1512 if (keycode & KEY_RELEASED) { 1513 s->pressed_keys &= ~event; 1514 } else { 1515 s->pressed_keys |= event; 1516 } 1517 } 1518 1519 s->kbd_extended = 0; 1520 } 1521 1522 static void musicpal_key_init(Object *obj) 1523 { 1524 SysBusDevice *sbd = SYS_BUS_DEVICE(obj); 1525 DeviceState *dev = DEVICE(sbd); 1526 musicpal_key_state *s = MUSICPAL_KEY(dev); 1527 1528 memory_region_init(&s->iomem, obj, "dummy", 0); 1529 sysbus_init_mmio(sbd, &s->iomem); 1530 1531 s->kbd_extended = 0; 1532 s->pressed_keys = 0; 1533 1534 qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out)); 1535 1536 qemu_add_kbd_event_handler(musicpal_key_event, s); 1537 } 1538 1539 static const VMStateDescription musicpal_key_vmsd = { 1540 .name = "musicpal_key", 1541 .version_id = 1, 1542 .minimum_version_id = 1, 1543 .fields = (VMStateField[]) { 1544 VMSTATE_UINT32(kbd_extended, musicpal_key_state), 1545 VMSTATE_UINT32(pressed_keys, musicpal_key_state), 1546 VMSTATE_END_OF_LIST() 1547 } 1548 }; 1549 1550 static void musicpal_key_class_init(ObjectClass *klass, void *data) 1551 { 1552 DeviceClass *dc = DEVICE_CLASS(klass); 1553 1554 dc->vmsd = &musicpal_key_vmsd; 1555 } 1556 1557 static const TypeInfo musicpal_key_info = { 1558 .name = TYPE_MUSICPAL_KEY, 1559 .parent = TYPE_SYS_BUS_DEVICE, 1560 .instance_size = sizeof(musicpal_key_state), 1561 .instance_init = musicpal_key_init, 1562 .class_init = musicpal_key_class_init, 1563 }; 1564 1565 static struct arm_boot_info musicpal_binfo = { 1566 .loader_start = 0x0, 1567 .board_id = 0x20e, 1568 }; 1569 1570 static void musicpal_init(MachineState *machine) 1571 { 1572 const char *kernel_filename = machine->kernel_filename; 1573 const char *kernel_cmdline = machine->kernel_cmdline; 1574 const char *initrd_filename = machine->initrd_filename; 1575 ARMCPU *cpu; 1576 qemu_irq pic[32]; 1577 DeviceState *dev; 1578 DeviceState *i2c_dev; 1579 DeviceState *lcd_dev; 1580 DeviceState *key_dev; 1581 DeviceState *wm8750_dev; 1582 SysBusDevice *s; 1583 I2CBus *i2c; 1584 int i; 1585 unsigned long flash_size; 1586 DriveInfo *dinfo; 1587 MemoryRegion *address_space_mem = get_system_memory(); 1588 MemoryRegion *ram = g_new(MemoryRegion, 1); 1589 MemoryRegion *sram = g_new(MemoryRegion, 1); 1590 1591 cpu = ARM_CPU(cpu_create(machine->cpu_type)); 1592 1593 /* For now we use a fixed - the original - RAM size */ 1594 memory_region_allocate_system_memory(ram, NULL, "musicpal.ram", 1595 MP_RAM_DEFAULT_SIZE); 1596 memory_region_add_subregion(address_space_mem, 0, ram); 1597 1598 memory_region_init_ram(sram, NULL, "musicpal.sram", MP_SRAM_SIZE, 1599 &error_fatal); 1600 memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram); 1601 1602 dev = sysbus_create_simple(TYPE_MV88W8618_PIC, MP_PIC_BASE, 1603 qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ)); 1604 for (i = 0; i < 32; i++) { 1605 pic[i] = qdev_get_gpio_in(dev, i); 1606 } 1607 sysbus_create_varargs(TYPE_MV88W8618_PIT, MP_PIT_BASE, pic[MP_TIMER1_IRQ], 1608 pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ], 1609 pic[MP_TIMER4_IRQ], NULL); 1610 1611 if (serial_hd(0)) { 1612 serial_mm_init(address_space_mem, MP_UART1_BASE, 2, pic[MP_UART1_IRQ], 1613 1825000, serial_hd(0), DEVICE_NATIVE_ENDIAN); 1614 } 1615 if (serial_hd(1)) { 1616 serial_mm_init(address_space_mem, MP_UART2_BASE, 2, pic[MP_UART2_IRQ], 1617 1825000, serial_hd(1), DEVICE_NATIVE_ENDIAN); 1618 } 1619 1620 /* Register flash */ 1621 dinfo = drive_get(IF_PFLASH, 0, 0); 1622 if (dinfo) { 1623 BlockBackend *blk = blk_by_legacy_dinfo(dinfo); 1624 1625 flash_size = blk_getlength(blk); 1626 if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 && 1627 flash_size != 32*1024*1024) { 1628 error_report("Invalid flash image size"); 1629 exit(1); 1630 } 1631 1632 /* 1633 * The original U-Boot accesses the flash at 0xFE000000 instead of 1634 * 0xFF800000 (if there is 8 MB flash). So remap flash access if the 1635 * image is smaller than 32 MB. 1636 */ 1637 #ifdef TARGET_WORDS_BIGENDIAN 1638 pflash_cfi02_register(0x100000000ULL - MP_FLASH_SIZE_MAX, 1639 "musicpal.flash", flash_size, 1640 blk, 0x10000, 1641 MP_FLASH_SIZE_MAX / flash_size, 1642 2, 0x00BF, 0x236D, 0x0000, 0x0000, 1643 0x5555, 0x2AAA, 1); 1644 #else 1645 pflash_cfi02_register(0x100000000ULL - MP_FLASH_SIZE_MAX, 1646 "musicpal.flash", flash_size, 1647 blk, 0x10000, 1648 MP_FLASH_SIZE_MAX / flash_size, 1649 2, 0x00BF, 0x236D, 0x0000, 0x0000, 1650 0x5555, 0x2AAA, 0); 1651 #endif 1652 1653 } 1654 sysbus_create_simple(TYPE_MV88W8618_FLASHCFG, MP_FLASHCFG_BASE, NULL); 1655 1656 qemu_check_nic_model(&nd_table[0], "mv88w8618"); 1657 dev = qdev_create(NULL, TYPE_MV88W8618_ETH); 1658 qdev_set_nic_properties(dev, &nd_table[0]); 1659 qdev_init_nofail(dev); 1660 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MP_ETH_BASE); 1661 sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[MP_ETH_IRQ]); 1662 1663 sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL); 1664 1665 sysbus_create_simple(TYPE_MUSICPAL_MISC, MP_MISC_BASE, NULL); 1666 1667 dev = sysbus_create_simple(TYPE_MUSICPAL_GPIO, MP_GPIO_BASE, 1668 pic[MP_GPIO_IRQ]); 1669 i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL); 1670 i2c = (I2CBus *)qdev_get_child_bus(i2c_dev, "i2c"); 1671 1672 lcd_dev = sysbus_create_simple(TYPE_MUSICPAL_LCD, MP_LCD_BASE, NULL); 1673 key_dev = sysbus_create_simple(TYPE_MUSICPAL_KEY, -1, NULL); 1674 1675 /* I2C read data */ 1676 qdev_connect_gpio_out(i2c_dev, 0, 1677 qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT)); 1678 /* I2C data */ 1679 qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0)); 1680 /* I2C clock */ 1681 qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1)); 1682 1683 for (i = 0; i < 3; i++) { 1684 qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i)); 1685 } 1686 for (i = 0; i < 4; i++) { 1687 qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8)); 1688 } 1689 for (i = 4; i < 8; i++) { 1690 qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15)); 1691 } 1692 1693 wm8750_dev = i2c_create_slave(i2c, TYPE_WM8750, MP_WM_ADDR); 1694 dev = qdev_create(NULL, TYPE_MV88W8618_AUDIO); 1695 s = SYS_BUS_DEVICE(dev); 1696 object_property_set_link(OBJECT(dev), OBJECT(wm8750_dev), 1697 "wm8750", NULL); 1698 qdev_init_nofail(dev); 1699 sysbus_mmio_map(s, 0, MP_AUDIO_BASE); 1700 sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]); 1701 1702 musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE; 1703 musicpal_binfo.kernel_filename = kernel_filename; 1704 musicpal_binfo.kernel_cmdline = kernel_cmdline; 1705 musicpal_binfo.initrd_filename = initrd_filename; 1706 arm_load_kernel(cpu, &musicpal_binfo); 1707 } 1708 1709 static void musicpal_machine_init(MachineClass *mc) 1710 { 1711 mc->desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)"; 1712 mc->init = musicpal_init; 1713 mc->ignore_memory_transaction_failures = true; 1714 mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926"); 1715 } 1716 1717 DEFINE_MACHINE("musicpal", musicpal_machine_init) 1718 1719 static void mv88w8618_wlan_class_init(ObjectClass *klass, void *data) 1720 { 1721 DeviceClass *dc = DEVICE_CLASS(klass); 1722 1723 dc->realize = mv88w8618_wlan_realize; 1724 } 1725 1726 static const TypeInfo mv88w8618_wlan_info = { 1727 .name = "mv88w8618_wlan", 1728 .parent = TYPE_SYS_BUS_DEVICE, 1729 .instance_size = sizeof(SysBusDevice), 1730 .class_init = mv88w8618_wlan_class_init, 1731 }; 1732 1733 static void musicpal_register_types(void) 1734 { 1735 type_register_static(&mv88w8618_pic_info); 1736 type_register_static(&mv88w8618_pit_info); 1737 type_register_static(&mv88w8618_flashcfg_info); 1738 type_register_static(&mv88w8618_eth_info); 1739 type_register_static(&mv88w8618_wlan_info); 1740 type_register_static(&musicpal_lcd_info); 1741 type_register_static(&musicpal_gpio_info); 1742 type_register_static(&musicpal_key_info); 1743 type_register_static(&musicpal_misc_info); 1744 } 1745 1746 type_init(musicpal_register_types) 1747