hw/arm/musicpal.c

   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 "hw/block/flash.h"
  22 #include "ui/console.h"
  23 #include "hw/i2c/i2c.h"
  24 #include "sysemu/block-backend.h"
  25 #include "exec/address-spaces.h"
  26 #include "ui/pixel_ops.h"
  27
  28 #define MP_MISC_BASE            0x80002000
  29 #define MP_MISC_SIZE            0x00001000
  30
  31 #define MP_ETH_BASE             0x80008000
  32 #define MP_ETH_SIZE             0x00001000
  33
  34 #define MP_WLAN_BASE            0x8000C000
  35 #define MP_WLAN_SIZE            0x00000800
  36
  37 #define MP_UART1_BASE           0x8000C840
  38 #define MP_UART2_BASE           0x8000C940
  39
  40 #define MP_GPIO_BASE            0x8000D000
  41 #define MP_GPIO_SIZE            0x00001000
  42
  43 #define MP_FLASHCFG_BASE        0x90006000
  44 #define MP_FLASHCFG_SIZE        0x00001000
  45
  46 #define MP_AUDIO_BASE           0x90007000
  47
  48 #define MP_PIC_BASE             0x90008000
  49 #define MP_PIC_SIZE             0x00001000
  50
  51 #define MP_PIT_BASE             0x90009000
  52 #define MP_PIT_SIZE             0x00001000
  53
  54 #define MP_LCD_BASE             0x9000c000
  55 #define MP_LCD_SIZE             0x00001000
  56
  57 #define MP_SRAM_BASE            0xC0000000
  58 #define MP_SRAM_SIZE            0x00020000
  59
  60 #define MP_RAM_DEFAULT_SIZE     32*1024*1024
  61 #define MP_FLASH_SIZE_MAX       32*1024*1024
  62
  63 #define MP_TIMER1_IRQ           4
  64 #define MP_TIMER2_IRQ           5
  65 #define MP_TIMER3_IRQ           6
  66 #define MP_TIMER4_IRQ           7
  67 #define MP_EHCI_IRQ             8
  68 #define MP_ETH_IRQ              9
  69 #define MP_UART1_IRQ            11
  70 #define MP_UART2_IRQ            11
  71 #define MP_GPIO_IRQ             12
  72 #define MP_RTC_IRQ              28
  73 #define MP_AUDIO_IRQ            30
  74
  75 /* Wolfson 8750 I2C address */
  76 #define MP_WM_ADDR              0x1A
  77
  78 /* Ethernet register offsets */
  79 #define MP_ETH_SMIR             0x010
  80 #define MP_ETH_PCXR             0x408
  81 #define MP_ETH_SDCMR            0x448
  82 #define MP_ETH_ICR              0x450
  83 #define MP_ETH_IMR              0x458
  84 #define MP_ETH_FRDP0            0x480
  85 #define MP_ETH_FRDP1            0x484
  86 #define MP_ETH_FRDP2            0x488
  87 #define MP_ETH_FRDP3            0x48C
  88 #define MP_ETH_CRDP0            0x4A0
  89 #define MP_ETH_CRDP1            0x4A4
  90 #define MP_ETH_CRDP2            0x4A8
  91 #define MP_ETH_CRDP3            0x4AC
  92 #define MP_ETH_CTDP0            0x4E0
  93 #define MP_ETH_CTDP1            0x4E4
  94
  95 /* MII PHY access */
  96 #define MP_ETH_SMIR_DATA        0x0000FFFF
  97 #define MP_ETH_SMIR_ADDR        0x03FF0000
  98 #define MP_ETH_SMIR_OPCODE      (1 << 26) /* Read value */
  99 #define MP_ETH_SMIR_RDVALID     (1 << 27)
 100
 101 /* PHY registers */
 102 #define MP_ETH_PHY1_BMSR        0x00210000
 103 #define MP_ETH_PHY1_PHYSID1     0x00410000
 104 #define MP_ETH_PHY1_PHYSID2     0x00610000
 105
 106 #define MP_PHY_BMSR_LINK        0x0004
 107 #define MP_PHY_BMSR_AUTONEG     0x0008
 108
 109 #define MP_PHY_88E3015          0x01410E20
 110
 111 /* TX descriptor status */
 112 #define MP_ETH_TX_OWN           (1U << 31)
 113
 114 /* RX descriptor status */
 115 #define MP_ETH_RX_OWN           (1U << 31)
 116
 117 /* Interrupt cause/mask bits */
 118 #define MP_ETH_IRQ_RX_BIT       0
 119 #define MP_ETH_IRQ_RX           (1 << MP_ETH_IRQ_RX_BIT)
 120 #define MP_ETH_IRQ_TXHI_BIT     2
 121 #define MP_ETH_IRQ_TXLO_BIT     3
 122
 123 /* Port config bits */
 124 #define MP_ETH_PCXR_2BSM_BIT    28 /* 2-byte incoming suffix */
 125
 126 /* SDMA command bits */
 127 #define MP_ETH_CMD_TXHI         (1 << 23)
 128 #define MP_ETH_CMD_TXLO         (1 << 22)
 129
 130 typedef struct mv88w8618_tx_desc {
 131     uint32_t cmdstat;
 132     uint16_t res;
 133     uint16_t bytes;
 134     uint32_t buffer;
 135     uint32_t next;
 136 } mv88w8618_tx_desc;
 137
 138 typedef struct mv88w8618_rx_desc {
 139     uint32_t cmdstat;
 140     uint16_t bytes;
 141     uint16_t buffer_size;
 142     uint32_t buffer;
 143     uint32_t next;
 144 } mv88w8618_rx_desc;
 145
 146 #define TYPE_MV88W8618_ETH "mv88w8618_eth"
 147 #define MV88W8618_ETH(obj) \
 148     OBJECT_CHECK(mv88w8618_eth_state, (obj), TYPE_MV88W8618_ETH)
 149
 150 typedef struct mv88w8618_eth_state {
 151     /*< private >*/
 152     SysBusDevice parent_obj;
 153     /*< public >*/
 154
 155     MemoryRegion iomem;
 156     qemu_irq irq;
 157     uint32_t smir;
 158     uint32_t icr;
 159     uint32_t imr;
 160     int mmio_index;
 161     uint32_t vlan_header;
 162     uint32_t tx_queue[2];
 163     uint32_t rx_queue[4];
 164     uint32_t frx_queue[4];
 165     uint32_t cur_rx[4];
 166     NICState *nic;
 167     NICConf conf;
 168 } mv88w8618_eth_state;
 169
 170 static void eth_rx_desc_put(uint32_t addr, mv88w8618_rx_desc *desc)
 171 {
 172     cpu_to_le32s(&desc->cmdstat);
 173     cpu_to_le16s(&desc->bytes);
 174     cpu_to_le16s(&desc->buffer_size);
 175     cpu_to_le32s(&desc->buffer);
 176     cpu_to_le32s(&desc->next);
 177     cpu_physical_memory_write(addr, desc, sizeof(*desc));
 178 }
 179
 180 static void eth_rx_desc_get(uint32_t addr, mv88w8618_rx_desc *desc)
 181 {
 182     cpu_physical_memory_read(addr, desc, sizeof(*desc));
 183     le32_to_cpus(&desc->cmdstat);
 184     le16_to_cpus(&desc->bytes);
 185     le16_to_cpus(&desc->buffer_size);
 186     le32_to_cpus(&desc->buffer);
 187     le32_to_cpus(&desc->next);
 188 }
 189
 190 static int eth_can_receive(NetClientState *nc)
 191 {
 192     return 1;
 193 }
 194
 195 static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 196 {
 197     mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
 198     uint32_t desc_addr;
 199     mv88w8618_rx_desc desc;
 200     int i;
 201
 202     for (i = 0; i < 4; i++) {
 203         desc_addr = s->cur_rx[i];
 204         if (!desc_addr) {
 205             continue;
 206         }
 207         do {
 208             eth_rx_desc_get(desc_addr, &desc);
 209             if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) {
 210                 cpu_physical_memory_write(desc.buffer + s->vlan_header,
 211                                           buf, size);
 212                 desc.bytes = size + s->vlan_header;
 213                 desc.cmdstat &= ~MP_ETH_RX_OWN;
 214                 s->cur_rx[i] = desc.next;
 215
 216                 s->icr |= MP_ETH_IRQ_RX;
 217                 if (s->icr & s->imr) {
 218                     qemu_irq_raise(s->irq);
 219                 }
 220                 eth_rx_desc_put(desc_addr, &desc);
 221                 return size;
 222             }
 223             desc_addr = desc.next;
 224         } while (desc_addr != s->rx_queue[i]);
 225     }
 226     return size;
 227 }
 228
 229 static void eth_tx_desc_put(uint32_t addr, mv88w8618_tx_desc *desc)
 230 {
 231     cpu_to_le32s(&desc->cmdstat);
 232     cpu_to_le16s(&desc->res);
 233     cpu_to_le16s(&desc->bytes);
 234     cpu_to_le32s(&desc->buffer);
 235     cpu_to_le32s(&desc->next);
 236     cpu_physical_memory_write(addr, desc, sizeof(*desc));
 237 }
 238
 239 static void eth_tx_desc_get(uint32_t addr, mv88w8618_tx_desc *desc)
 240 {
 241     cpu_physical_memory_read(addr, desc, sizeof(*desc));
 242     le32_to_cpus(&desc->cmdstat);
 243     le16_to_cpus(&desc->res);
 244     le16_to_cpus(&desc->bytes);
 245     le32_to_cpus(&desc->buffer);
 246     le32_to_cpus(&desc->next);
 247 }
 248
 249 static void eth_send(mv88w8618_eth_state *s, int queue_index)
 250 {
 251     uint32_t desc_addr = s->tx_queue[queue_index];
 252     mv88w8618_tx_desc desc;
 253     uint32_t next_desc;
 254     uint8_t buf[2048];
 255     int len;
 256
 257     do {
 258         eth_tx_desc_get(desc_addr, &desc);
 259         next_desc = desc.next;
 260         if (desc.cmdstat & MP_ETH_TX_OWN) {
 261             len = desc.bytes;
 262             if (len < 2048) {
 263                 cpu_physical_memory_read(desc.buffer, buf, len);
 264                 qemu_send_packet(qemu_get_queue(s->nic), buf, len);
 265             }
 266             desc.cmdstat &= ~MP_ETH_TX_OWN;
 267             s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index);
 268             eth_tx_desc_put(desc_addr, &desc);
 269         }
 270         desc_addr = next_desc;
 271     } while (desc_addr != s->tx_queue[queue_index]);
 272 }
 273
 274 static uint64_t mv88w8618_eth_read(void *opaque, hwaddr offset,
 275                                    unsigned size)
 276 {
 277     mv88w8618_eth_state *s = opaque;
 278
 279     switch (offset) {
 280     case MP_ETH_SMIR:
 281         if (s->smir & MP_ETH_SMIR_OPCODE) {
 282             switch (s->smir & MP_ETH_SMIR_ADDR) {
 283             case MP_ETH_PHY1_BMSR:
 284                 return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG |
 285                        MP_ETH_SMIR_RDVALID;
 286             case MP_ETH_PHY1_PHYSID1:
 287                 return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID;
 288             case MP_ETH_PHY1_PHYSID2:
 289                 return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID;
 290             default:
 291                 return MP_ETH_SMIR_RDVALID;
 292             }
 293         }
 294         return 0;
 295
 296     case MP_ETH_ICR:
 297         return s->icr;
 298
 299     case MP_ETH_IMR:
 300         return s->imr;
 301
 302     case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
 303         return s->frx_queue[(offset - MP_ETH_FRDP0)/4];
 304
 305     case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
 306         return s->rx_queue[(offset - MP_ETH_CRDP0)/4];
 307
 308     case MP_ETH_CTDP0 ... MP_ETH_CTDP1:
 309         return s->tx_queue[(offset - MP_ETH_CTDP0)/4];
 310
 311     default:
 312         return 0;
 313     }
 314 }
 315
 316 static void mv88w8618_eth_write(void *opaque, hwaddr offset,
 317                                 uint64_t value, unsigned size)
 318 {
 319     mv88w8618_eth_state *s = opaque;
 320
 321     switch (offset) {
 322     case MP_ETH_SMIR:
 323         s->smir = value;
 324         break;
 325
 326     case MP_ETH_PCXR:
 327         s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2;
 328         break;
 329
 330     case MP_ETH_SDCMR:
 331         if (value & MP_ETH_CMD_TXHI) {
 332             eth_send(s, 1);
 333         }
 334         if (value & MP_ETH_CMD_TXLO) {
 335             eth_send(s, 0);
 336         }
 337         if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) {
 338             qemu_irq_raise(s->irq);
 339         }
 340         break;
 341
 342     case MP_ETH_ICR:
 343         s->icr &= value;
 344         break;
 345
 346     case MP_ETH_IMR:
 347         s->imr = value;
 348         if (s->icr & s->imr) {
 349             qemu_irq_raise(s->irq);
 350         }
 351         break;
 352
 353     case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
 354         s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value;
 355         break;
 356
 357     case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
 358         s->rx_queue[(offset - MP_ETH_CRDP0)/4] =
 359             s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value;
 360         break;
 361
 362     case MP_ETH_CTDP0 ... MP_ETH_CTDP1:
 363         s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value;
 364         break;
 365     }
 366 }
 367
 368 static const MemoryRegionOps mv88w8618_eth_ops = {
 369     .read = mv88w8618_eth_read,
 370     .write = mv88w8618_eth_write,
 371     .endianness = DEVICE_NATIVE_ENDIAN,
 372 };
 373
 374 static void eth_cleanup(NetClientState *nc)
 375 {
 376     mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
 377
 378     s->nic = NULL;
 379 }
 380
 381 static NetClientInfo net_mv88w8618_info = {
 382     .type = NET_CLIENT_OPTIONS_KIND_NIC,
 383     .size = sizeof(NICState),
 384     .can_receive = eth_can_receive,
 385     .receive = eth_receive,
 386     .cleanup = eth_cleanup,
 387 };
 388
 389 static int mv88w8618_eth_init(SysBusDevice *sbd)
 390 {
 391     DeviceState *dev = DEVICE(sbd);
 392     mv88w8618_eth_state *s = MV88W8618_ETH(dev);
 393
 394     sysbus_init_irq(sbd, &s->irq);
 395     s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf,
 396                           object_get_typename(OBJECT(dev)), dev->id, s);
 397     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_eth_ops, s,
 398                           "mv88w8618-eth", MP_ETH_SIZE);
 399     sysbus_init_mmio(sbd, &s->iomem);
 400     return 0;
 401 }
 402
 403 static const VMStateDescription mv88w8618_eth_vmsd = {
 404     .name = "mv88w8618_eth",
 405     .version_id = 1,
 406     .minimum_version_id = 1,
 407     .fields = (VMStateField[]) {
 408         VMSTATE_UINT32(smir, mv88w8618_eth_state),
 409         VMSTATE_UINT32(icr, mv88w8618_eth_state),
 410         VMSTATE_UINT32(imr, mv88w8618_eth_state),
 411         VMSTATE_UINT32(vlan_header, mv88w8618_eth_state),
 412         VMSTATE_UINT32_ARRAY(tx_queue, mv88w8618_eth_state, 2),
 413         VMSTATE_UINT32_ARRAY(rx_queue, mv88w8618_eth_state, 4),
 414         VMSTATE_UINT32_ARRAY(frx_queue, mv88w8618_eth_state, 4),
 415         VMSTATE_UINT32_ARRAY(cur_rx, mv88w8618_eth_state, 4),
 416         VMSTATE_END_OF_LIST()
 417     }
 418 };
 419
 420 static Property mv88w8618_eth_properties[] = {
 421     DEFINE_NIC_PROPERTIES(mv88w8618_eth_state, conf),
 422     DEFINE_PROP_END_OF_LIST(),
 423 };
 424
 425 static void mv88w8618_eth_class_init(ObjectClass *klass, void *data)
 426 {
 427     DeviceClass *dc = DEVICE_CLASS(klass);
 428     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 429
 430     k->init = mv88w8618_eth_init;
 431     dc->vmsd = &mv88w8618_eth_vmsd;
 432     dc->props = mv88w8618_eth_properties;
 433 }
 434
 435 static const TypeInfo mv88w8618_eth_info = {
 436     .name          = TYPE_MV88W8618_ETH,
 437     .parent        = TYPE_SYS_BUS_DEVICE,
 438     .instance_size = sizeof(mv88w8618_eth_state),
 439     .class_init    = mv88w8618_eth_class_init,
 440 };
 441
 442 /* LCD register offsets */
 443 #define MP_LCD_IRQCTRL          0x180
 444 #define MP_LCD_IRQSTAT          0x184
 445 #define MP_LCD_SPICTRL          0x1ac
 446 #define MP_LCD_INST             0x1bc
 447 #define MP_LCD_DATA             0x1c0
 448
 449 /* Mode magics */
 450 #define MP_LCD_SPI_DATA         0x00100011
 451 #define MP_LCD_SPI_CMD          0x00104011
 452 #define MP_LCD_SPI_INVALID      0x00000000
 453
 454 /* Commmands */
 455 #define MP_LCD_INST_SETPAGE0    0xB0
 456 /* ... */
 457 #define MP_LCD_INST_SETPAGE7    0xB7
 458
 459 #define MP_LCD_TEXTCOLOR        0xe0e0ff /* RRGGBB */
 460
 461 #define TYPE_MUSICPAL_LCD "musicpal_lcd"
 462 #define MUSICPAL_LCD(obj) \
 463     OBJECT_CHECK(musicpal_lcd_state, (obj), TYPE_MUSICPAL_LCD)
 464
 465 typedef struct musicpal_lcd_state {
 466     /*< private >*/
 467     SysBusDevice parent_obj;
 468     /*< public >*/
 469
 470     MemoryRegion iomem;
 471     uint32_t brightness;
 472     uint32_t mode;
 473     uint32_t irqctrl;
 474     uint32_t page;
 475     uint32_t page_off;
 476     QemuConsole *con;
 477     uint8_t video_ram[128*64/8];
 478 } musicpal_lcd_state;
 479
 480 static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col)
 481 {
 482     switch (s->brightness) {
 483     case 7:
 484         return col;
 485     case 0:
 486         return 0;
 487     default:
 488         return (col * s->brightness) / 7;
 489     }
 490 }
 491
 492 #define SET_LCD_PIXEL(depth, type) \
 493 static inline void glue(set_lcd_pixel, depth) \
 494         (musicpal_lcd_state *s, int x, int y, type col) \
 495 { \
 496     int dx, dy; \
 497     DisplaySurface *surface = qemu_console_surface(s->con); \
 498     type *pixel = &((type *) surface_data(surface))[(y * 128 * 3 + x) * 3]; \
 499 \
 500     for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \
 501         for (dx = 0; dx < 3; dx++, pixel++) \
 502             *pixel = col; \
 503 }
 504 SET_LCD_PIXEL(8, uint8_t)
 505 SET_LCD_PIXEL(16, uint16_t)
 506 SET_LCD_PIXEL(32, uint32_t)
 507
 508 static void lcd_refresh(void *opaque)
 509 {
 510     musicpal_lcd_state *s = opaque;
 511     DisplaySurface *surface = qemu_console_surface(s->con);
 512     int x, y, col;
 513
 514     switch (surface_bits_per_pixel(surface)) {
 515     case 0:
 516         return;
 517 #define LCD_REFRESH(depth, func) \
 518     case depth: \
 519         col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \
 520                    scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \
 521                    scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \
 522         for (x = 0; x < 128; x++) { \
 523             for (y = 0; y < 64; y++) { \
 524                 if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \
 525                     glue(set_lcd_pixel, depth)(s, x, y, col); \
 526                 } else { \
 527                     glue(set_lcd_pixel, depth)(s, x, y, 0); \
 528                 } \
 529             } \
 530         } \
 531         break;
 532     LCD_REFRESH(8, rgb_to_pixel8)
 533     LCD_REFRESH(16, rgb_to_pixel16)
 534     LCD_REFRESH(32, (is_surface_bgr(surface) ?
 535                      rgb_to_pixel32bgr : rgb_to_pixel32))
 536     default:
 537         hw_error("unsupported colour depth %i\n",
 538                  surface_bits_per_pixel(surface));
 539     }
 540
 541     dpy_gfx_update(s->con, 0, 0, 128*3, 64*3);
 542 }
 543
 544 static void lcd_invalidate(void *opaque)
 545 {
 546 }
 547
 548 static void musicpal_lcd_gpio_brightness_in(void *opaque, int irq, int level)
 549 {
 550     musicpal_lcd_state *s = opaque;
 551     s->brightness &= ~(1 << irq);
 552     s->brightness |= level << irq;
 553 }
 554
 555 static uint64_t musicpal_lcd_read(void *opaque, hwaddr offset,
 556                                   unsigned size)
 557 {
 558     musicpal_lcd_state *s = opaque;
 559
 560     switch (offset) {
 561     case MP_LCD_IRQCTRL:
 562         return s->irqctrl;
 563
 564     default:
 565         return 0;
 566     }
 567 }
 568
 569 static void musicpal_lcd_write(void *opaque, hwaddr offset,
 570                                uint64_t value, unsigned size)
 571 {
 572     musicpal_lcd_state *s = opaque;
 573
 574     switch (offset) {
 575     case MP_LCD_IRQCTRL:
 576         s->irqctrl = value;
 577         break;
 578
 579     case MP_LCD_SPICTRL:
 580         if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) {
 581             s->mode = value;
 582         } else {
 583             s->mode = MP_LCD_SPI_INVALID;
 584         }
 585         break;
 586
 587     case MP_LCD_INST:
 588         if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) {
 589             s->page = value - MP_LCD_INST_SETPAGE0;
 590             s->page_off = 0;
 591         }
 592         break;
 593
 594     case MP_LCD_DATA:
 595         if (s->mode == MP_LCD_SPI_CMD) {
 596             if (value >= MP_LCD_INST_SETPAGE0 &&
 597                 value <= MP_LCD_INST_SETPAGE7) {
 598                 s->page = value - MP_LCD_INST_SETPAGE0;
 599                 s->page_off = 0;
 600             }
 601         } else if (s->mode == MP_LCD_SPI_DATA) {
 602             s->video_ram[s->page*128 + s->page_off] = value;
 603             s->page_off = (s->page_off + 1) & 127;
 604         }
 605         break;
 606     }
 607 }
 608
 609 static const MemoryRegionOps musicpal_lcd_ops = {
 610     .read = musicpal_lcd_read,
 611     .write = musicpal_lcd_write,
 612     .endianness = DEVICE_NATIVE_ENDIAN,
 613 };
 614
 615 static const GraphicHwOps musicpal_gfx_ops = {
 616     .invalidate  = lcd_invalidate,
 617     .gfx_update  = lcd_refresh,
 618 };
 619
 620 static int musicpal_lcd_init(SysBusDevice *sbd)
 621 {
 622     DeviceState *dev = DEVICE(sbd);
 623     musicpal_lcd_state *s = MUSICPAL_LCD(dev);
 624
 625     s->brightness = 7;
 626
 627     memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_lcd_ops, s,
 628                           "musicpal-lcd", MP_LCD_SIZE);
 629     sysbus_init_mmio(sbd, &s->iomem);
 630
 631     s->con = graphic_console_init(dev, 0, &musicpal_gfx_ops, s);
 632     qemu_console_resize(s->con, 128*3, 64*3);
 633
 634     qdev_init_gpio_in(dev, musicpal_lcd_gpio_brightness_in, 3);
 635
 636     return 0;
 637 }
 638
 639 static const VMStateDescription musicpal_lcd_vmsd = {
 640     .name = "musicpal_lcd",
 641     .version_id = 1,
 642     .minimum_version_id = 1,
 643     .fields = (VMStateField[]) {
 644         VMSTATE_UINT32(brightness, musicpal_lcd_state),
 645         VMSTATE_UINT32(mode, musicpal_lcd_state),
 646         VMSTATE_UINT32(irqctrl, musicpal_lcd_state),
 647         VMSTATE_UINT32(page, musicpal_lcd_state),
 648         VMSTATE_UINT32(page_off, musicpal_lcd_state),
 649         VMSTATE_BUFFER(video_ram, musicpal_lcd_state),
 650         VMSTATE_END_OF_LIST()
 651     }
 652 };
 653
 654 static void musicpal_lcd_class_init(ObjectClass *klass, void *data)
 655 {
 656     DeviceClass *dc = DEVICE_CLASS(klass);
 657     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 658
 659     k->init = musicpal_lcd_init;
 660     dc->vmsd = &musicpal_lcd_vmsd;
 661 }
 662
 663 static const TypeInfo musicpal_lcd_info = {
 664     .name          = TYPE_MUSICPAL_LCD,
 665     .parent        = TYPE_SYS_BUS_DEVICE,
 666     .instance_size = sizeof(musicpal_lcd_state),
 667     .class_init    = musicpal_lcd_class_init,
 668 };
 669
 670 /* PIC register offsets */
 671 #define MP_PIC_STATUS           0x00
 672 #define MP_PIC_ENABLE_SET       0x08
 673 #define MP_PIC_ENABLE_CLR       0x0C
 674
 675 #define TYPE_MV88W8618_PIC "mv88w8618_pic"
 676 #define MV88W8618_PIC(obj) \
 677     OBJECT_CHECK(mv88w8618_pic_state, (obj), TYPE_MV88W8618_PIC)
 678
 679 typedef struct mv88w8618_pic_state {
 680     /*< private >*/
 681     SysBusDevice parent_obj;
 682     /*< public >*/
 683
 684     MemoryRegion iomem;
 685     uint32_t level;
 686     uint32_t enabled;
 687     qemu_irq parent_irq;
 688 } mv88w8618_pic_state;
 689
 690 static void mv88w8618_pic_update(mv88w8618_pic_state *s)
 691 {
 692     qemu_set_irq(s->parent_irq, (s->level & s->enabled));
 693 }
 694
 695 static void mv88w8618_pic_set_irq(void *opaque, int irq, int level)
 696 {
 697     mv88w8618_pic_state *s = opaque;
 698
 699     if (level) {
 700         s->level |= 1 << irq;
 701     } else {
 702         s->level &= ~(1 << irq);
 703     }
 704     mv88w8618_pic_update(s);
 705 }
 706
 707 static uint64_t mv88w8618_pic_read(void *opaque, hwaddr offset,
 708                                    unsigned size)
 709 {
 710     mv88w8618_pic_state *s = opaque;
 711
 712     switch (offset) {
 713     case MP_PIC_STATUS:
 714         return s->level & s->enabled;
 715
 716     default:
 717         return 0;
 718     }
 719 }
 720
 721 static void mv88w8618_pic_write(void *opaque, hwaddr offset,
 722                                 uint64_t value, unsigned size)
 723 {
 724     mv88w8618_pic_state *s = opaque;
 725
 726     switch (offset) {
 727     case MP_PIC_ENABLE_SET:
 728         s->enabled |= value;
 729         break;
 730
 731     case MP_PIC_ENABLE_CLR:
 732         s->enabled &= ~value;
 733         s->level &= ~value;
 734         break;
 735     }
 736     mv88w8618_pic_update(s);
 737 }
 738
 739 static void mv88w8618_pic_reset(DeviceState *d)
 740 {
 741     mv88w8618_pic_state *s = MV88W8618_PIC(d);
 742
 743     s->level = 0;
 744     s->enabled = 0;
 745 }
 746
 747 static const MemoryRegionOps mv88w8618_pic_ops = {
 748     .read = mv88w8618_pic_read,
 749     .write = mv88w8618_pic_write,
 750     .endianness = DEVICE_NATIVE_ENDIAN,
 751 };
 752
 753 static int mv88w8618_pic_init(SysBusDevice *dev)
 754 {
 755     mv88w8618_pic_state *s = MV88W8618_PIC(dev);
 756
 757     qdev_init_gpio_in(DEVICE(dev), mv88w8618_pic_set_irq, 32);
 758     sysbus_init_irq(dev, &s->parent_irq);
 759     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_pic_ops, s,
 760                           "musicpal-pic", MP_PIC_SIZE);
 761     sysbus_init_mmio(dev, &s->iomem);
 762     return 0;
 763 }
 764
 765 static const VMStateDescription mv88w8618_pic_vmsd = {
 766     .name = "mv88w8618_pic",
 767     .version_id = 1,
 768     .minimum_version_id = 1,
 769     .fields = (VMStateField[]) {
 770         VMSTATE_UINT32(level, mv88w8618_pic_state),
 771         VMSTATE_UINT32(enabled, mv88w8618_pic_state),
 772         VMSTATE_END_OF_LIST()
 773     }
 774 };
 775
 776 static void mv88w8618_pic_class_init(ObjectClass *klass, void *data)
 777 {
 778     DeviceClass *dc = DEVICE_CLASS(klass);
 779     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 780
 781     k->init = mv88w8618_pic_init;
 782     dc->reset = mv88w8618_pic_reset;
 783     dc->vmsd = &mv88w8618_pic_vmsd;
 784 }
 785
 786 static const TypeInfo mv88w8618_pic_info = {
 787     .name          = TYPE_MV88W8618_PIC,
 788     .parent        = TYPE_SYS_BUS_DEVICE,
 789     .instance_size = sizeof(mv88w8618_pic_state),
 790     .class_init    = mv88w8618_pic_class_init,
 791 };
 792
 793 /* PIT register offsets */
 794 #define MP_PIT_TIMER1_LENGTH    0x00
 795 /* ... */
 796 #define MP_PIT_TIMER4_LENGTH    0x0C
 797 #define MP_PIT_CONTROL          0x10
 798 #define MP_PIT_TIMER1_VALUE     0x14
 799 /* ... */
 800 #define MP_PIT_TIMER4_VALUE     0x20
 801 #define MP_BOARD_RESET          0x34
 802
 803 /* Magic board reset value (probably some watchdog behind it) */
 804 #define MP_BOARD_RESET_MAGIC    0x10000
 805
 806 typedef struct mv88w8618_timer_state {
 807     ptimer_state *ptimer;
 808     uint32_t limit;
 809     int freq;
 810     qemu_irq irq;
 811 } mv88w8618_timer_state;
 812
 813 #define TYPE_MV88W8618_PIT "mv88w8618_pit"
 814 #define MV88W8618_PIT(obj) \
 815     OBJECT_CHECK(mv88w8618_pit_state, (obj), TYPE_MV88W8618_PIT)
 816
 817 typedef struct mv88w8618_pit_state {
 818     /*< private >*/
 819     SysBusDevice parent_obj;
 820     /*< public >*/
 821
 822     MemoryRegion iomem;
 823     mv88w8618_timer_state timer[4];
 824 } mv88w8618_pit_state;
 825
 826 static void mv88w8618_timer_tick(void *opaque)
 827 {
 828     mv88w8618_timer_state *s = opaque;
 829
 830     qemu_irq_raise(s->irq);
 831 }
 832
 833 static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s,
 834                                  uint32_t freq)
 835 {
 836     QEMUBH *bh;
 837
 838     sysbus_init_irq(dev, &s->irq);
 839     s->freq = freq;
 840
 841     bh = qemu_bh_new(mv88w8618_timer_tick, s);
 842     s->ptimer = ptimer_init(bh);
 843 }
 844
 845 static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset,
 846                                    unsigned size)
 847 {
 848     mv88w8618_pit_state *s = opaque;
 849     mv88w8618_timer_state *t;
 850
 851     switch (offset) {
 852     case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE:
 853         t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2];
 854         return ptimer_get_count(t->ptimer);
 855
 856     default:
 857         return 0;
 858     }
 859 }
 860
 861 static void mv88w8618_pit_write(void *opaque, hwaddr offset,
 862                                 uint64_t value, unsigned size)
 863 {
 864     mv88w8618_pit_state *s = opaque;
 865     mv88w8618_timer_state *t;
 866     int i;
 867
 868     switch (offset) {
 869     case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH:
 870         t = &s->timer[offset >> 2];
 871         t->limit = value;
 872         if (t->limit > 0) {
 873             ptimer_set_limit(t->ptimer, t->limit, 1);
 874         } else {
 875             ptimer_stop(t->ptimer);
 876         }
 877         break;
 878
 879     case MP_PIT_CONTROL:
 880         for (i = 0; i < 4; i++) {
 881             t = &s->timer[i];
 882             if (value & 0xf && t->limit > 0) {
 883                 ptimer_set_limit(t->ptimer, t->limit, 0);
 884                 ptimer_set_freq(t->ptimer, t->freq);
 885                 ptimer_run(t->ptimer, 0);
 886             } else {
 887                 ptimer_stop(t->ptimer);
 888             }
 889             value >>= 4;
 890         }
 891         break;
 892
 893     case MP_BOARD_RESET:
 894         if (value == MP_BOARD_RESET_MAGIC) {
 895             qemu_system_reset_request();
 896         }
 897         break;
 898     }
 899 }
 900
 901 static void mv88w8618_pit_reset(DeviceState *d)
 902 {
 903     mv88w8618_pit_state *s = MV88W8618_PIT(d);
 904     int i;
 905
 906     for (i = 0; i < 4; i++) {
 907         ptimer_stop(s->timer[i].ptimer);
 908         s->timer[i].limit = 0;
 909     }
 910 }
 911
 912 static const MemoryRegionOps mv88w8618_pit_ops = {
 913     .read = mv88w8618_pit_read,
 914     .write = mv88w8618_pit_write,
 915     .endianness = DEVICE_NATIVE_ENDIAN,
 916 };
 917
 918 static int mv88w8618_pit_init(SysBusDevice *dev)
 919 {
 920     mv88w8618_pit_state *s = MV88W8618_PIT(dev);
 921     int i;
 922
 923     /* Letting them all run at 1 MHz is likely just a pragmatic
 924      * simplification. */
 925     for (i = 0; i < 4; i++) {
 926         mv88w8618_timer_init(dev, &s->timer[i], 1000000);
 927     }
 928
 929     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_pit_ops, s,
 930                           "musicpal-pit", MP_PIT_SIZE);
 931     sysbus_init_mmio(dev, &s->iomem);
 932     return 0;
 933 }
 934
 935 static const VMStateDescription mv88w8618_timer_vmsd = {
 936     .name = "timer",
 937     .version_id = 1,
 938     .minimum_version_id = 1,
 939     .fields = (VMStateField[]) {
 940         VMSTATE_PTIMER(ptimer, mv88w8618_timer_state),
 941         VMSTATE_UINT32(limit, mv88w8618_timer_state),
 942         VMSTATE_END_OF_LIST()
 943     }
 944 };
 945
 946 static const VMStateDescription mv88w8618_pit_vmsd = {
 947     .name = "mv88w8618_pit",
 948     .version_id = 1,
 949     .minimum_version_id = 1,
 950     .fields = (VMStateField[]) {
 951         VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1,
 952                              mv88w8618_timer_vmsd, mv88w8618_timer_state),
 953         VMSTATE_END_OF_LIST()
 954     }
 955 };
 956
 957 static void mv88w8618_pit_class_init(ObjectClass *klass, void *data)
 958 {
 959     DeviceClass *dc = DEVICE_CLASS(klass);
 960     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 961
 962     k->init = mv88w8618_pit_init;
 963     dc->reset = mv88w8618_pit_reset;
 964     dc->vmsd = &mv88w8618_pit_vmsd;
 965 }
 966
 967 static const TypeInfo mv88w8618_pit_info = {
 968     .name          = TYPE_MV88W8618_PIT,
 969     .parent        = TYPE_SYS_BUS_DEVICE,
 970     .instance_size = sizeof(mv88w8618_pit_state),
 971     .class_init    = mv88w8618_pit_class_init,
 972 };
 973
 974 /* Flash config register offsets */
 975 #define MP_FLASHCFG_CFGR0    0x04
 976
 977 #define TYPE_MV88W8618_FLASHCFG "mv88w8618_flashcfg"
 978 #define MV88W8618_FLASHCFG(obj) \
 979     OBJECT_CHECK(mv88w8618_flashcfg_state, (obj), TYPE_MV88W8618_FLASHCFG)
 980
 981 typedef struct mv88w8618_flashcfg_state {
 982     /*< private >*/
 983     SysBusDevice parent_obj;
 984     /*< public >*/
 985
 986     MemoryRegion iomem;
 987     uint32_t cfgr0;
 988 } mv88w8618_flashcfg_state;
 989
 990 static uint64_t mv88w8618_flashcfg_read(void *opaque,
 991                                         hwaddr offset,
 992                                         unsigned size)
 993 {
 994     mv88w8618_flashcfg_state *s = opaque;
 995
 996     switch (offset) {
 997     case MP_FLASHCFG_CFGR0:
 998         return s->cfgr0;
 999
1000     default:
1001         return 0;
1002     }
1003 }
1004
1005 static void mv88w8618_flashcfg_write(void *opaque, hwaddr offset,
1006                                      uint64_t value, unsigned size)
1007 {
1008     mv88w8618_flashcfg_state *s = opaque;
1009
1010     switch (offset) {
1011     case MP_FLASHCFG_CFGR0:
1012         s->cfgr0 = value;
1013         break;
1014     }
1015 }
1016
1017 static const MemoryRegionOps mv88w8618_flashcfg_ops = {
1018     .read = mv88w8618_flashcfg_read,
1019     .write = mv88w8618_flashcfg_write,
1020     .endianness = DEVICE_NATIVE_ENDIAN,
1021 };
1022
1023 static int mv88w8618_flashcfg_init(SysBusDevice *dev)
1024 {
1025     mv88w8618_flashcfg_state *s = MV88W8618_FLASHCFG(dev);
1026
1027     s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */
1028     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_flashcfg_ops, s,
1029                           "musicpal-flashcfg", MP_FLASHCFG_SIZE);
1030     sysbus_init_mmio(dev, &s->iomem);
1031     return 0;
1032 }
1033
1034 static const VMStateDescription mv88w8618_flashcfg_vmsd = {
1035     .name = "mv88w8618_flashcfg",
1036     .version_id = 1,
1037     .minimum_version_id = 1,
1038     .fields = (VMStateField[]) {
1039         VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state),
1040         VMSTATE_END_OF_LIST()
1041     }
1042 };
1043
1044 static void mv88w8618_flashcfg_class_init(ObjectClass *klass, void *data)
1045 {
1046     DeviceClass *dc = DEVICE_CLASS(klass);
1047     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1048
1049     k->init = mv88w8618_flashcfg_init;
1050     dc->vmsd = &mv88w8618_flashcfg_vmsd;
1051 }
1052
1053 static const TypeInfo mv88w8618_flashcfg_info = {
1054     .name          = TYPE_MV88W8618_FLASHCFG,
1055     .parent        = TYPE_SYS_BUS_DEVICE,
1056     .instance_size = sizeof(mv88w8618_flashcfg_state),
1057     .class_init    = mv88w8618_flashcfg_class_init,
1058 };
1059
1060 /* Misc register offsets */
1061 #define MP_MISC_BOARD_REVISION  0x18
1062
1063 #define MP_BOARD_REVISION       0x31
1064
1065 typedef struct {
1066     SysBusDevice parent_obj;
1067     MemoryRegion iomem;
1068 } MusicPalMiscState;
1069
1070 #define TYPE_MUSICPAL_MISC "musicpal-misc"
1071 #define MUSICPAL_MISC(obj) \
1072      OBJECT_CHECK(MusicPalMiscState, (obj), TYPE_MUSICPAL_MISC)
1073
1074 static uint64_t musicpal_misc_read(void *opaque, hwaddr offset,
1075                                    unsigned size)
1076 {
1077     switch (offset) {
1078     case MP_MISC_BOARD_REVISION:
1079         return MP_BOARD_REVISION;
1080
1081     default:
1082         return 0;
1083     }
1084 }
1085
1086 static void musicpal_misc_write(void *opaque, hwaddr offset,
1087                                 uint64_t value, unsigned size)
1088 {
1089 }
1090
1091 static const MemoryRegionOps musicpal_misc_ops = {
1092     .read = musicpal_misc_read,
1093     .write = musicpal_misc_write,
1094     .endianness = DEVICE_NATIVE_ENDIAN,
1095 };
1096
1097 static void musicpal_misc_init(Object *obj)
1098 {
1099     SysBusDevice *sd = SYS_BUS_DEVICE(obj);
1100     MusicPalMiscState *s = MUSICPAL_MISC(obj);
1101
1102     memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_misc_ops, NULL,
1103                           "musicpal-misc", MP_MISC_SIZE);
1104     sysbus_init_mmio(sd, &s->iomem);
1105 }
1106
1107 static const TypeInfo musicpal_misc_info = {
1108     .name = TYPE_MUSICPAL_MISC,
1109     .parent = TYPE_SYS_BUS_DEVICE,
1110     .instance_init = musicpal_misc_init,
1111     .instance_size = sizeof(MusicPalMiscState),
1112 };
1113
1114 /* WLAN register offsets */
1115 #define MP_WLAN_MAGIC1          0x11c
1116 #define MP_WLAN_MAGIC2          0x124
1117
1118 static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset,
1119                                     unsigned size)
1120 {
1121     switch (offset) {
1122     /* Workaround to allow loading the binary-only wlandrv.ko crap
1123      * from the original Freecom firmware. */
1124     case MP_WLAN_MAGIC1:
1125         return ~3;
1126     case MP_WLAN_MAGIC2:
1127         return -1;
1128
1129     default:
1130         return 0;
1131     }
1132 }
1133
1134 static void mv88w8618_wlan_write(void *opaque, hwaddr offset,
1135                                  uint64_t value, unsigned size)
1136 {
1137 }
1138
1139 static const MemoryRegionOps mv88w8618_wlan_ops = {
1140     .read = mv88w8618_wlan_read,
1141     .write =mv88w8618_wlan_write,
1142     .endianness = DEVICE_NATIVE_ENDIAN,
1143 };
1144
1145 static int mv88w8618_wlan_init(SysBusDevice *dev)
1146 {
1147     MemoryRegion *iomem = g_new(MemoryRegion, 1);
1148
1149     memory_region_init_io(iomem, OBJECT(dev), &mv88w8618_wlan_ops, NULL,
1150                           "musicpal-wlan", MP_WLAN_SIZE);
1151     sysbus_init_mmio(dev, iomem);
1152     return 0;
1153 }
1154
1155 /* GPIO register offsets */
1156 #define MP_GPIO_OE_LO           0x008
1157 #define MP_GPIO_OUT_LO          0x00c
1158 #define MP_GPIO_IN_LO           0x010
1159 #define MP_GPIO_IER_LO          0x014
1160 #define MP_GPIO_IMR_LO          0x018
1161 #define MP_GPIO_ISR_LO          0x020
1162 #define MP_GPIO_OE_HI           0x508
1163 #define MP_GPIO_OUT_HI          0x50c
1164 #define MP_GPIO_IN_HI           0x510
1165 #define MP_GPIO_IER_HI          0x514
1166 #define MP_GPIO_IMR_HI          0x518
1167 #define MP_GPIO_ISR_HI          0x520
1168
1169 /* GPIO bits & masks */
1170 #define MP_GPIO_LCD_BRIGHTNESS  0x00070000
1171 #define MP_GPIO_I2C_DATA_BIT    29
1172 #define MP_GPIO_I2C_CLOCK_BIT   30
1173
1174 /* LCD brightness bits in GPIO_OE_HI */
1175 #define MP_OE_LCD_BRIGHTNESS    0x0007
1176
1177 #define TYPE_MUSICPAL_GPIO "musicpal_gpio"
1178 #define MUSICPAL_GPIO(obj) \
1179     OBJECT_CHECK(musicpal_gpio_state, (obj), TYPE_MUSICPAL_GPIO)
1180
1181 typedef struct musicpal_gpio_state {
1182     /*< private >*/
1183     SysBusDevice parent_obj;
1184     /*< public >*/
1185
1186     MemoryRegion iomem;
1187     uint32_t lcd_brightness;
1188     uint32_t out_state;
1189     uint32_t in_state;
1190     uint32_t ier;
1191     uint32_t imr;
1192     uint32_t isr;
1193     qemu_irq irq;
1194     qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */
1195 } musicpal_gpio_state;
1196
1197 static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) {
1198     int i;
1199     uint32_t brightness;
1200
1201     /* compute brightness ratio */
1202     switch (s->lcd_brightness) {
1203     case 0x00000007:
1204         brightness = 0;
1205         break;
1206
1207     case 0x00020000:
1208         brightness = 1;
1209         break;
1210
1211     case 0x00020001:
1212         brightness = 2;
1213         break;
1214
1215     case 0x00040000:
1216         brightness = 3;
1217         break;
1218
1219     case 0x00010006:
1220         brightness = 4;
1221         break;
1222
1223     case 0x00020005:
1224         brightness = 5;
1225         break;
1226
1227     case 0x00040003:
1228         brightness = 6;
1229         break;
1230
1231     case 0x00030004:
1232     default:
1233         brightness = 7;
1234     }
1235
1236     /* set lcd brightness GPIOs  */
1237     for (i = 0; i <= 2; i++) {
1238         qemu_set_irq(s->out[i], (brightness >> i) & 1);
1239     }
1240 }
1241
1242 static void musicpal_gpio_pin_event(void *opaque, int pin, int level)
1243 {
1244     musicpal_gpio_state *s = opaque;
1245     uint32_t mask = 1 << pin;
1246     uint32_t delta = level << pin;
1247     uint32_t old = s->in_state & mask;
1248
1249     s->in_state &= ~mask;
1250     s->in_state |= delta;
1251
1252     if ((old ^ delta) &&
1253         ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) {
1254         s->isr = mask;
1255         qemu_irq_raise(s->irq);
1256     }
1257 }
1258
1259 static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset,
1260                                    unsigned size)
1261 {
1262     musicpal_gpio_state *s = opaque;
1263
1264     switch (offset) {
1265     case MP_GPIO_OE_HI: /* used for LCD brightness control */
1266         return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS;
1267
1268     case MP_GPIO_OUT_LO:
1269         return s->out_state & 0xFFFF;
1270     case MP_GPIO_OUT_HI:
1271         return s->out_state >> 16;
1272
1273     case MP_GPIO_IN_LO:
1274         return s->in_state & 0xFFFF;
1275     case MP_GPIO_IN_HI:
1276         return s->in_state >> 16;
1277
1278     case MP_GPIO_IER_LO:
1279         return s->ier & 0xFFFF;
1280     case MP_GPIO_IER_HI:
1281         return s->ier >> 16;
1282
1283     case MP_GPIO_IMR_LO:
1284         return s->imr & 0xFFFF;
1285     case MP_GPIO_IMR_HI:
1286         return s->imr >> 16;
1287
1288     case MP_GPIO_ISR_LO:
1289         return s->isr & 0xFFFF;
1290     case MP_GPIO_ISR_HI:
1291         return s->isr >> 16;
1292
1293     default:
1294         return 0;
1295     }
1296 }
1297
1298 static void musicpal_gpio_write(void *opaque, hwaddr offset,
1299                                 uint64_t value, unsigned size)
1300 {
1301     musicpal_gpio_state *s = opaque;
1302     switch (offset) {
1303     case MP_GPIO_OE_HI: /* used for LCD brightness control */
1304         s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) |
1305                          (value & MP_OE_LCD_BRIGHTNESS);
1306         musicpal_gpio_brightness_update(s);
1307         break;
1308
1309     case MP_GPIO_OUT_LO:
1310         s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF);
1311         break;
1312     case MP_GPIO_OUT_HI:
1313         s->out_state = (s->out_state & 0xFFFF) | (value << 16);
1314         s->lcd_brightness = (s->lcd_brightness & 0xFFFF) |
1315                             (s->out_state & MP_GPIO_LCD_BRIGHTNESS);
1316         musicpal_gpio_brightness_update(s);
1317         qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1);
1318         qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1);
1319         break;
1320
1321     case MP_GPIO_IER_LO:
1322         s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF);
1323         break;
1324     case MP_GPIO_IER_HI:
1325         s->ier = (s->ier & 0xFFFF) | (value << 16);
1326         break;
1327
1328     case MP_GPIO_IMR_LO:
1329         s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF);
1330         break;
1331     case MP_GPIO_IMR_HI:
1332         s->imr = (s->imr & 0xFFFF) | (value << 16);
1333         break;
1334     }
1335 }
1336
1337 static const MemoryRegionOps musicpal_gpio_ops = {
1338     .read = musicpal_gpio_read,
1339     .write = musicpal_gpio_write,
1340     .endianness = DEVICE_NATIVE_ENDIAN,
1341 };
1342
1343 static void musicpal_gpio_reset(DeviceState *d)
1344 {
1345     musicpal_gpio_state *s = MUSICPAL_GPIO(d);
1346
1347     s->lcd_brightness = 0;
1348     s->out_state = 0;
1349     s->in_state = 0xffffffff;
1350     s->ier = 0;
1351     s->imr = 0;
1352     s->isr = 0;
1353 }
1354
1355 static int musicpal_gpio_init(SysBusDevice *sbd)
1356 {
1357     DeviceState *dev = DEVICE(sbd);
1358     musicpal_gpio_state *s = MUSICPAL_GPIO(dev);
1359
1360     sysbus_init_irq(sbd, &s->irq);
1361
1362     memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_gpio_ops, s,
1363                           "musicpal-gpio", MP_GPIO_SIZE);
1364     sysbus_init_mmio(sbd, &s->iomem);
1365
1366     qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out));
1367
1368     qdev_init_gpio_in(dev, musicpal_gpio_pin_event, 32);
1369
1370     return 0;
1371 }
1372
1373 static const VMStateDescription musicpal_gpio_vmsd = {
1374     .name = "musicpal_gpio",
1375     .version_id = 1,
1376     .minimum_version_id = 1,
1377     .fields = (VMStateField[]) {
1378         VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state),
1379         VMSTATE_UINT32(out_state, musicpal_gpio_state),
1380         VMSTATE_UINT32(in_state, musicpal_gpio_state),
1381         VMSTATE_UINT32(ier, musicpal_gpio_state),
1382         VMSTATE_UINT32(imr, musicpal_gpio_state),
1383         VMSTATE_UINT32(isr, musicpal_gpio_state),
1384         VMSTATE_END_OF_LIST()
1385     }
1386 };
1387
1388 static void musicpal_gpio_class_init(ObjectClass *klass, void *data)
1389 {
1390     DeviceClass *dc = DEVICE_CLASS(klass);
1391     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1392
1393     k->init = musicpal_gpio_init;
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     .class_init    = musicpal_gpio_class_init,
1403 };
1404
1405 /* Keyboard codes & masks */
1406 #define KEY_RELEASED            0x80
1407 #define KEY_CODE                0x7f
1408
1409 #define KEYCODE_TAB             0x0f
1410 #define KEYCODE_ENTER           0x1c
1411 #define KEYCODE_F               0x21
1412 #define KEYCODE_M               0x32
1413
1414 #define KEYCODE_EXTENDED        0xe0
1415 #define KEYCODE_UP              0x48
1416 #define KEYCODE_DOWN            0x50
1417 #define KEYCODE_LEFT            0x4b
1418 #define KEYCODE_RIGHT           0x4d
1419
1420 #define MP_KEY_WHEEL_VOL       (1 << 0)
1421 #define MP_KEY_WHEEL_VOL_INV   (1 << 1)
1422 #define MP_KEY_WHEEL_NAV       (1 << 2)
1423 #define MP_KEY_WHEEL_NAV_INV   (1 << 3)
1424 #define MP_KEY_BTN_FAVORITS    (1 << 4)
1425 #define MP_KEY_BTN_MENU        (1 << 5)
1426 #define MP_KEY_BTN_VOLUME      (1 << 6)
1427 #define MP_KEY_BTN_NAVIGATION  (1 << 7)
1428
1429 #define TYPE_MUSICPAL_KEY "musicpal_key"
1430 #define MUSICPAL_KEY(obj) \
1431     OBJECT_CHECK(musicpal_key_state, (obj), TYPE_MUSICPAL_KEY)
1432
1433 typedef struct musicpal_key_state {
1434     /*< private >*/
1435     SysBusDevice parent_obj;
1436     /*< public >*/
1437
1438     MemoryRegion iomem;
1439     uint32_t kbd_extended;
1440     uint32_t pressed_keys;
1441     qemu_irq out[8];
1442 } musicpal_key_state;
1443
1444 static void musicpal_key_event(void *opaque, int keycode)
1445 {
1446     musicpal_key_state *s = opaque;
1447     uint32_t event = 0;
1448     int i;
1449
1450     if (keycode == KEYCODE_EXTENDED) {
1451         s->kbd_extended = 1;
1452         return;
1453     }
1454
1455     if (s->kbd_extended) {
1456         switch (keycode & KEY_CODE) {
1457         case KEYCODE_UP:
1458             event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV;
1459             break;
1460
1461         case KEYCODE_DOWN:
1462             event = MP_KEY_WHEEL_NAV;
1463             break;
1464
1465         case KEYCODE_LEFT:
1466             event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV;
1467             break;
1468
1469         case KEYCODE_RIGHT:
1470             event = MP_KEY_WHEEL_VOL;
1471             break;
1472         }
1473     } else {
1474         switch (keycode & KEY_CODE) {
1475         case KEYCODE_F:
1476             event = MP_KEY_BTN_FAVORITS;
1477             break;
1478
1479         case KEYCODE_TAB:
1480             event = MP_KEY_BTN_VOLUME;
1481             break;
1482
1483         case KEYCODE_ENTER:
1484             event = MP_KEY_BTN_NAVIGATION;
1485             break;
1486
1487         case KEYCODE_M:
1488             event = MP_KEY_BTN_MENU;
1489             break;
1490         }
1491         /* Do not repeat already pressed buttons */
1492         if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1493             event = 0;
1494         }
1495     }
1496
1497     if (event) {
1498         /* Raise GPIO pin first if repeating a key */
1499         if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1500             for (i = 0; i <= 7; i++) {
1501                 if (event & (1 << i)) {
1502                     qemu_set_irq(s->out[i], 1);
1503                 }
1504             }
1505         }
1506         for (i = 0; i <= 7; i++) {
1507             if (event & (1 << i)) {
1508                 qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED));
1509             }
1510         }
1511         if (keycode & KEY_RELEASED) {
1512             s->pressed_keys &= ~event;
1513         } else {
1514             s->pressed_keys |= event;
1515         }
1516     }
1517
1518     s->kbd_extended = 0;
1519 }
1520
1521 static int musicpal_key_init(SysBusDevice *sbd)
1522 {
1523     DeviceState *dev = DEVICE(sbd);
1524     musicpal_key_state *s = MUSICPAL_KEY(dev);
1525
1526     memory_region_init(&s->iomem, OBJECT(s), "dummy", 0);
1527     sysbus_init_mmio(sbd, &s->iomem);
1528
1529     s->kbd_extended = 0;
1530     s->pressed_keys = 0;
1531
1532     qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out));
1533
1534     qemu_add_kbd_event_handler(musicpal_key_event, s);
1535
1536     return 0;
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     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1554
1555     k->init = musicpal_key_init;
1556     dc->vmsd = &musicpal_key_vmsd;
1557 }
1558
1559 static const TypeInfo musicpal_key_info = {
1560     .name          = TYPE_MUSICPAL_KEY,
1561     .parent        = TYPE_SYS_BUS_DEVICE,
1562     .instance_size = sizeof(musicpal_key_state),
1563     .class_init    = musicpal_key_class_init,
1564 };
1565
1566 static struct arm_boot_info musicpal_binfo = {
1567     .loader_start = 0x0,
1568     .board_id = 0x20e,
1569 };
1570
1571 static void musicpal_init(MachineState *machine)
1572 {
1573     const char *cpu_model = machine->cpu_model;
1574     const char *kernel_filename = machine->kernel_filename;
1575     const char *kernel_cmdline = machine->kernel_cmdline;
1576     const char *initrd_filename = machine->initrd_filename;
1577     ARMCPU *cpu;
1578     qemu_irq pic[32];
1579     DeviceState *dev;
1580     DeviceState *i2c_dev;
1581     DeviceState *lcd_dev;
1582     DeviceState *key_dev;
1583     DeviceState *wm8750_dev;
1584     SysBusDevice *s;
1585     I2CBus *i2c;
1586     int i;
1587     unsigned long flash_size;
1588     DriveInfo *dinfo;
1589     MemoryRegion *address_space_mem = get_system_memory();
1590     MemoryRegion *ram = g_new(MemoryRegion, 1);
1591     MemoryRegion *sram = g_new(MemoryRegion, 1);
1592
1593     if (!cpu_model) {
1594         cpu_model = "arm926";
1595     }
1596     cpu = cpu_arm_init(cpu_model);
1597     if (!cpu) {
1598         fprintf(stderr, "Unable to find CPU definition\n");
1599         exit(1);
1600     }
1601
1602     /* For now we use a fixed - the original - RAM size */
1603     memory_region_allocate_system_memory(ram, NULL, "musicpal.ram",
1604                                          MP_RAM_DEFAULT_SIZE);
1605     memory_region_add_subregion(address_space_mem, 0, ram);
1606
1607     memory_region_init_ram(sram, NULL, "musicpal.sram", MP_SRAM_SIZE,
1608                            &error_abort);
1609     vmstate_register_ram_global(sram);
1610     memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram);
1611
1612     dev = sysbus_create_simple(TYPE_MV88W8618_PIC, MP_PIC_BASE,
1613                                qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
1614     for (i = 0; i < 32; i++) {
1615         pic[i] = qdev_get_gpio_in(dev, i);
1616     }
1617     sysbus_create_varargs(TYPE_MV88W8618_PIT, MP_PIT_BASE, pic[MP_TIMER1_IRQ],
1618                           pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ],
1619                           pic[MP_TIMER4_IRQ], NULL);
1620
1621     if (serial_hds[0]) {
1622         serial_mm_init(address_space_mem, MP_UART1_BASE, 2, pic[MP_UART1_IRQ],
1623                        1825000, serial_hds[0], DEVICE_NATIVE_ENDIAN);
1624     }
1625     if (serial_hds[1]) {
1626         serial_mm_init(address_space_mem, MP_UART2_BASE, 2, pic[MP_UART2_IRQ],
1627                        1825000, serial_hds[1], DEVICE_NATIVE_ENDIAN);
1628     }
1629
1630     /* Register flash */
1631     dinfo = drive_get(IF_PFLASH, 0, 0);
1632     if (dinfo) {
1633         BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
1634
1635         flash_size = blk_getlength(blk);
1636         if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 &&
1637             flash_size != 32*1024*1024) {
1638             fprintf(stderr, "Invalid flash image size\n");
1639             exit(1);
1640         }
1641
1642         /*
1643          * The original U-Boot accesses the flash at 0xFE000000 instead of
1644          * 0xFF800000 (if there is 8 MB flash). So remap flash access if the
1645          * image is smaller than 32 MB.
1646          */
1647 #ifdef TARGET_WORDS_BIGENDIAN
1648         pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1649                               "musicpal.flash", flash_size,
1650                               blk, 0x10000, (flash_size + 0xffff) >> 16,
1651                               MP_FLASH_SIZE_MAX / flash_size,
1652                               2, 0x00BF, 0x236D, 0x0000, 0x0000,
1653                               0x5555, 0x2AAA, 1);
1654 #else
1655         pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1656                               "musicpal.flash", flash_size,
1657                               blk, 0x10000, (flash_size + 0xffff) >> 16,
1658                               MP_FLASH_SIZE_MAX / flash_size,
1659                               2, 0x00BF, 0x236D, 0x0000, 0x0000,
1660                               0x5555, 0x2AAA, 0);
1661 #endif
1662
1663     }
1664     sysbus_create_simple(TYPE_MV88W8618_FLASHCFG, MP_FLASHCFG_BASE, NULL);
1665
1666     qemu_check_nic_model(&nd_table[0], "mv88w8618");
1667     dev = qdev_create(NULL, TYPE_MV88W8618_ETH);
1668     qdev_set_nic_properties(dev, &nd_table[0]);
1669     qdev_init_nofail(dev);
1670     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MP_ETH_BASE);
1671     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[MP_ETH_IRQ]);
1672
1673     sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL);
1674
1675     sysbus_create_simple(TYPE_MUSICPAL_MISC, MP_MISC_BASE, NULL);
1676
1677     dev = sysbus_create_simple(TYPE_MUSICPAL_GPIO, MP_GPIO_BASE,
1678                                pic[MP_GPIO_IRQ]);
1679     i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL);
1680     i2c = (I2CBus *)qdev_get_child_bus(i2c_dev, "i2c");
1681
1682     lcd_dev = sysbus_create_simple(TYPE_MUSICPAL_LCD, MP_LCD_BASE, NULL);
1683     key_dev = sysbus_create_simple(TYPE_MUSICPAL_KEY, -1, NULL);
1684
1685     /* I2C read data */
1686     qdev_connect_gpio_out(i2c_dev, 0,
1687                           qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT));
1688     /* I2C data */
1689     qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0));
1690     /* I2C clock */
1691     qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1));
1692
1693     for (i = 0; i < 3; i++) {
1694         qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i));
1695     }
1696     for (i = 0; i < 4; i++) {
1697         qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8));
1698     }
1699     for (i = 4; i < 8; i++) {
1700         qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15));
1701     }
1702
1703     wm8750_dev = i2c_create_slave(i2c, "wm8750", MP_WM_ADDR);
1704     dev = qdev_create(NULL, "mv88w8618_audio");
1705     s = SYS_BUS_DEVICE(dev);
1706     qdev_prop_set_ptr(dev, "wm8750", wm8750_dev);
1707     qdev_init_nofail(dev);
1708     sysbus_mmio_map(s, 0, MP_AUDIO_BASE);
1709     sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]);
1710
1711     musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE;
1712     musicpal_binfo.kernel_filename = kernel_filename;
1713     musicpal_binfo.kernel_cmdline = kernel_cmdline;
1714     musicpal_binfo.initrd_filename = initrd_filename;
1715     arm_load_kernel(cpu, &musicpal_binfo);
1716 }
1717
1718 static QEMUMachine musicpal_machine = {
1719     .name = "musicpal",
1720     .desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)",
1721     .init = musicpal_init,
1722 };
1723
1724 static void musicpal_machine_init(void)
1725 {
1726     qemu_register_machine(&musicpal_machine);
1727 }
1728
1729 machine_init(musicpal_machine_init);
1730
1731 static void mv88w8618_wlan_class_init(ObjectClass *klass, void *data)
1732 {
1733     SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
1734
1735     sdc->init = mv88w8618_wlan_init;
1736 }
1737
1738 static const TypeInfo mv88w8618_wlan_info = {
1739     .name          = "mv88w8618_wlan",
1740     .parent        = TYPE_SYS_BUS_DEVICE,
1741     .instance_size = sizeof(SysBusDevice),
1742     .class_init    = mv88w8618_wlan_class_init,
1743 };
1744
1745 static void musicpal_register_types(void)
1746 {
1747     type_register_static(&mv88w8618_pic_info);
1748     type_register_static(&mv88w8618_pit_info);
1749     type_register_static(&mv88w8618_flashcfg_info);
1750     type_register_static(&mv88w8618_eth_info);
1751     type_register_static(&mv88w8618_wlan_info);
1752     type_register_static(&musicpal_lcd_info);
1753     type_register_static(&musicpal_gpio_info);
1754     type_register_static(&musicpal_key_info);
1755     type_register_static(&musicpal_misc_info);
1756 }
1757
1758 type_init(musicpal_register_types)