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