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 "block/block.h"
  22 #include "hw/block/flash.h"
  23 #include "ui/console.h"
  24 #include "hw/i2c/i2c.h"
  25 #include "sysemu/blockdev.h"
  26 #include "exec/address-spaces.h"
  27 #include "ui/pixel_ops.h"
  28
  29 #define MP_MISC_BASE            0x80002000
  30 #define MP_MISC_SIZE            0x00001000
  31
  32 #define MP_ETH_BASE             0x80008000
  33 #define MP_ETH_SIZE             0x00001000
  34
  35 #define MP_WLAN_BASE            0x8000C000
  36 #define MP_WLAN_SIZE            0x00000800
  37
  38 #define MP_UART1_BASE           0x8000C840
  39 #define MP_UART2_BASE           0x8000C940
  40
  41 #define MP_GPIO_BASE            0x8000D000
  42 #define MP_GPIO_SIZE            0x00001000
  43
  44 #define MP_FLASHCFG_BASE        0x90006000
  45 #define MP_FLASHCFG_SIZE        0x00001000
  46
  47 #define MP_AUDIO_BASE           0x90007000
  48
  49 #define MP_PIC_BASE             0x90008000
  50 #define MP_PIC_SIZE             0x00001000
  51
  52 #define MP_PIT_BASE             0x90009000
  53 #define MP_PIT_SIZE             0x00001000
  54
  55 #define MP_LCD_BASE             0x9000c000
  56 #define MP_LCD_SIZE             0x00001000
  57
  58 #define MP_SRAM_BASE            0xC0000000
  59 #define MP_SRAM_SIZE            0x00020000
  60
  61 #define MP_RAM_DEFAULT_SIZE     32*1024*1024
  62 #define MP_FLASH_SIZE_MAX       32*1024*1024
  63
  64 #define MP_TIMER1_IRQ           4
  65 #define MP_TIMER2_IRQ           5
  66 #define MP_TIMER3_IRQ           6
  67 #define MP_TIMER4_IRQ           7
  68 #define MP_EHCI_IRQ             8
  69 #define MP_ETH_IRQ              9
  70 #define MP_UART1_IRQ            11
  71 #define MP_UART2_IRQ            11
  72 #define MP_GPIO_IRQ             12
  73 #define MP_RTC_IRQ              28
  74 #define MP_AUDIO_IRQ            30
  75
  76 /* Wolfson 8750 I2C address */
  77 #define MP_WM_ADDR              0x1A
  78
  79 /* Ethernet register offsets */
  80 #define MP_ETH_SMIR             0x010
  81 #define MP_ETH_PCXR             0x408
  82 #define MP_ETH_SDCMR            0x448
  83 #define MP_ETH_ICR              0x450
  84 #define MP_ETH_IMR              0x458
  85 #define MP_ETH_FRDP0            0x480
  86 #define MP_ETH_FRDP1            0x484
  87 #define MP_ETH_FRDP2            0x488
  88 #define MP_ETH_FRDP3            0x48C
  89 #define MP_ETH_CRDP0            0x4A0
  90 #define MP_ETH_CRDP1            0x4A4
  91 #define MP_ETH_CRDP2            0x4A8
  92 #define MP_ETH_CRDP3            0x4AC
  93 #define MP_ETH_CTDP0            0x4E0
  94 #define MP_ETH_CTDP1            0x4E4
  95
  96 /* MII PHY access */
  97 #define MP_ETH_SMIR_DATA        0x0000FFFF
  98 #define MP_ETH_SMIR_ADDR        0x03FF0000
  99 #define MP_ETH_SMIR_OPCODE      (1 << 26) /* Read value */
 100 #define MP_ETH_SMIR_RDVALID     (1 << 27)
 101
 102 /* PHY registers */
 103 #define MP_ETH_PHY1_BMSR        0x00210000
 104 #define MP_ETH_PHY1_PHYSID1     0x00410000
 105 #define MP_ETH_PHY1_PHYSID2     0x00610000
 106
 107 #define MP_PHY_BMSR_LINK        0x0004
 108 #define MP_PHY_BMSR_AUTONEG     0x0008
 109
 110 #define MP_PHY_88E3015          0x01410E20
 111
 112 /* TX descriptor status */
 113 #define MP_ETH_TX_OWN           (1U << 31)
 114
 115 /* RX descriptor status */
 116 #define MP_ETH_RX_OWN           (1U << 31)
 117
 118 /* Interrupt cause/mask bits */
 119 #define MP_ETH_IRQ_RX_BIT       0
 120 #define MP_ETH_IRQ_RX           (1 << MP_ETH_IRQ_RX_BIT)
 121 #define MP_ETH_IRQ_TXHI_BIT     2
 122 #define MP_ETH_IRQ_TXLO_BIT     3
 123
 124 /* Port config bits */
 125 #define MP_ETH_PCXR_2BSM_BIT    28 /* 2-byte incoming suffix */
 126
 127 /* SDMA command bits */
 128 #define MP_ETH_CMD_TXHI         (1 << 23)
 129 #define MP_ETH_CMD_TXLO         (1 << 22)
 130
 131 typedef struct mv88w8618_tx_desc {
 132     uint32_t cmdstat;
 133     uint16_t res;
 134     uint16_t bytes;
 135     uint32_t buffer;
 136     uint32_t next;
 137 } mv88w8618_tx_desc;
 138
 139 typedef struct mv88w8618_rx_desc {
 140     uint32_t cmdstat;
 141     uint16_t bytes;
 142     uint16_t buffer_size;
 143     uint32_t buffer;
 144     uint32_t next;
 145 } mv88w8618_rx_desc;
 146
 147 #define TYPE_MV88W8618_ETH "mv88w8618_eth"
 148 #define MV88W8618_ETH(obj) \
 149     OBJECT_CHECK(mv88w8618_eth_state, (obj), TYPE_MV88W8618_ETH)
 150
 151 typedef struct mv88w8618_eth_state {
 152     /*< private >*/
 153     SysBusDevice parent_obj;
 154     /*< public >*/
 155
 156     MemoryRegion iomem;
 157     qemu_irq irq;
 158     uint32_t smir;
 159     uint32_t icr;
 160     uint32_t imr;
 161     int mmio_index;
 162     uint32_t vlan_header;
 163     uint32_t tx_queue[2];
 164     uint32_t rx_queue[4];
 165     uint32_t frx_queue[4];
 166     uint32_t cur_rx[4];
 167     NICState *nic;
 168     NICConf conf;
 169 } mv88w8618_eth_state;
 170
 171 static void eth_rx_desc_put(uint32_t addr, mv88w8618_rx_desc *desc)
 172 {
 173     cpu_to_le32s(&desc->cmdstat);
 174     cpu_to_le16s(&desc->bytes);
 175     cpu_to_le16s(&desc->buffer_size);
 176     cpu_to_le32s(&desc->buffer);
 177     cpu_to_le32s(&desc->next);
 178     cpu_physical_memory_write(addr, desc, sizeof(*desc));
 179 }
 180
 181 static void eth_rx_desc_get(uint32_t addr, mv88w8618_rx_desc *desc)
 182 {
 183     cpu_physical_memory_read(addr, desc, sizeof(*desc));
 184     le32_to_cpus(&desc->cmdstat);
 185     le16_to_cpus(&desc->bytes);
 186     le16_to_cpus(&desc->buffer_size);
 187     le32_to_cpus(&desc->buffer);
 188     le32_to_cpus(&desc->next);
 189 }
 190
 191 static int eth_can_receive(NetClientState *nc)
 192 {
 193     return 1;
 194 }
 195
 196 static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 197 {
 198     mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
 199     uint32_t desc_addr;
 200     mv88w8618_rx_desc desc;
 201     int i;
 202
 203     for (i = 0; i < 4; i++) {
 204         desc_addr = s->cur_rx[i];
 205         if (!desc_addr) {
 206             continue;
 207         }
 208         do {
 209             eth_rx_desc_get(desc_addr, &desc);
 210             if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) {
 211                 cpu_physical_memory_write(desc.buffer + s->vlan_header,
 212                                           buf, size);
 213                 desc.bytes = size + s->vlan_header;
 214                 desc.cmdstat &= ~MP_ETH_RX_OWN;
 215                 s->cur_rx[i] = desc.next;
 216
 217                 s->icr |= MP_ETH_IRQ_RX;
 218                 if (s->icr & s->imr) {
 219                     qemu_irq_raise(s->irq);
 220                 }
 221                 eth_rx_desc_put(desc_addr, &desc);
 222                 return size;
 223             }
 224             desc_addr = desc.next;
 225         } while (desc_addr != s->rx_queue[i]);
 226     }
 227     return size;
 228 }
 229
 230 static void eth_tx_desc_put(uint32_t addr, mv88w8618_tx_desc *desc)
 231 {
 232     cpu_to_le32s(&desc->cmdstat);
 233     cpu_to_le16s(&desc->res);
 234     cpu_to_le16s(&desc->bytes);
 235     cpu_to_le32s(&desc->buffer);
 236     cpu_to_le32s(&desc->next);
 237     cpu_physical_memory_write(addr, desc, sizeof(*desc));
 238 }
 239
 240 static void eth_tx_desc_get(uint32_t addr, mv88w8618_tx_desc *desc)
 241 {
 242     cpu_physical_memory_read(addr, desc, sizeof(*desc));
 243     le32_to_cpus(&desc->cmdstat);
 244     le16_to_cpus(&desc->res);
 245     le16_to_cpus(&desc->bytes);
 246     le32_to_cpus(&desc->buffer);
 247     le32_to_cpus(&desc->next);
 248 }
 249
 250 static void eth_send(mv88w8618_eth_state *s, int queue_index)
 251 {
 252     uint32_t desc_addr = s->tx_queue[queue_index];
 253     mv88w8618_tx_desc desc;
 254     uint32_t next_desc;
 255     uint8_t buf[2048];
 256     int len;
 257
 258     do {
 259         eth_tx_desc_get(desc_addr, &desc);
 260         next_desc = desc.next;
 261         if (desc.cmdstat & MP_ETH_TX_OWN) {
 262             len = desc.bytes;
 263             if (len < 2048) {
 264                 cpu_physical_memory_read(desc.buffer, buf, len);
 265                 qemu_send_packet(qemu_get_queue(s->nic), buf, len);
 266             }
 267             desc.cmdstat &= ~MP_ETH_TX_OWN;
 268             s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index);
 269             eth_tx_desc_put(desc_addr, &desc);
 270         }
 271         desc_addr = next_desc;
 272     } while (desc_addr != s->tx_queue[queue_index]);
 273 }
 274
 275 static uint64_t mv88w8618_eth_read(void *opaque, hwaddr offset,
 276                                    unsigned size)
 277 {
 278     mv88w8618_eth_state *s = opaque;
 279
 280     switch (offset) {
 281     case MP_ETH_SMIR:
 282         if (s->smir & MP_ETH_SMIR_OPCODE) {
 283             switch (s->smir & MP_ETH_SMIR_ADDR) {
 284             case MP_ETH_PHY1_BMSR:
 285                 return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG |
 286                        MP_ETH_SMIR_RDVALID;
 287             case MP_ETH_PHY1_PHYSID1:
 288                 return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID;
 289             case MP_ETH_PHY1_PHYSID2:
 290                 return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID;
 291             default:
 292                 return MP_ETH_SMIR_RDVALID;
 293             }
 294         }
 295         return 0;
 296
 297     case MP_ETH_ICR:
 298         return s->icr;
 299
 300     case MP_ETH_IMR:
 301         return s->imr;
 302
 303     case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
 304         return s->frx_queue[(offset - MP_ETH_FRDP0)/4];
 305
 306     case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
 307         return s->rx_queue[(offset - MP_ETH_CRDP0)/4];
 308
 309     case MP_ETH_CTDP0 ... MP_ETH_CTDP1:
 310         return s->tx_queue[(offset - MP_ETH_CTDP0)/4];
 311
 312     default:
 313         return 0;
 314     }
 315 }
 316
 317 static void mv88w8618_eth_write(void *opaque, hwaddr offset,
 318                                 uint64_t value, unsigned size)
 319 {
 320     mv88w8618_eth_state *s = opaque;
 321
 322     switch (offset) {
 323     case MP_ETH_SMIR:
 324         s->smir = value;
 325         break;
 326
 327     case MP_ETH_PCXR:
 328         s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2;
 329         break;
 330
 331     case MP_ETH_SDCMR:
 332         if (value & MP_ETH_CMD_TXHI) {
 333             eth_send(s, 1);
 334         }
 335         if (value & MP_ETH_CMD_TXLO) {
 336             eth_send(s, 0);
 337         }
 338         if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) {
 339             qemu_irq_raise(s->irq);
 340         }
 341         break;
 342
 343     case MP_ETH_ICR:
 344         s->icr &= value;
 345         break;
 346
 347     case MP_ETH_IMR:
 348         s->imr = value;
 349         if (s->icr & s->imr) {
 350             qemu_irq_raise(s->irq);
 351         }
 352         break;
 353
 354     case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
 355         s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value;
 356         break;
 357
 358     case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
 359         s->rx_queue[(offset - MP_ETH_CRDP0)/4] =
 360             s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value;
 361         break;
 362
 363     case MP_ETH_CTDP0 ... MP_ETH_CTDP1:
 364         s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value;
 365         break;
 366     }
 367 }
 368
 369 static const MemoryRegionOps mv88w8618_eth_ops = {
 370     .read = mv88w8618_eth_read,
 371     .write = mv88w8618_eth_write,
 372     .endianness = DEVICE_NATIVE_ENDIAN,
 373 };
 374
 375 static void eth_cleanup(NetClientState *nc)
 376 {
 377     mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
 378
 379     s->nic = NULL;
 380 }
 381
 382 static NetClientInfo net_mv88w8618_info = {
 383     .type = NET_CLIENT_OPTIONS_KIND_NIC,
 384     .size = sizeof(NICState),
 385     .can_receive = eth_can_receive,
 386     .receive = eth_receive,
 387     .cleanup = eth_cleanup,
 388 };
 389
 390 static int mv88w8618_eth_init(SysBusDevice *sbd)
 391 {
 392     DeviceState *dev = DEVICE(sbd);
 393     mv88w8618_eth_state *s = MV88W8618_ETH(dev);
 394
 395     sysbus_init_irq(sbd, &s->irq);
 396     s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf,
 397                           object_get_typename(OBJECT(dev)), dev->id, s);
 398     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_eth_ops, s,
 399                           "mv88w8618-eth", MP_ETH_SIZE);
 400     sysbus_init_mmio(sbd, &s->iomem);
 401     return 0;
 402 }
 403
 404 static const VMStateDescription mv88w8618_eth_vmsd = {
 405     .name = "mv88w8618_eth",
 406     .version_id = 1,
 407     .minimum_version_id = 1,
 408     .fields = (VMStateField[]) {
 409         VMSTATE_UINT32(smir, mv88w8618_eth_state),
 410         VMSTATE_UINT32(icr, mv88w8618_eth_state),
 411         VMSTATE_UINT32(imr, mv88w8618_eth_state),
 412         VMSTATE_UINT32(vlan_header, mv88w8618_eth_state),
 413         VMSTATE_UINT32_ARRAY(tx_queue, mv88w8618_eth_state, 2),
 414         VMSTATE_UINT32_ARRAY(rx_queue, mv88w8618_eth_state, 4),
 415         VMSTATE_UINT32_ARRAY(frx_queue, mv88w8618_eth_state, 4),
 416         VMSTATE_UINT32_ARRAY(cur_rx, mv88w8618_eth_state, 4),
 417         VMSTATE_END_OF_LIST()
 418     }
 419 };
 420
 421 static Property mv88w8618_eth_properties[] = {
 422     DEFINE_NIC_PROPERTIES(mv88w8618_eth_state, conf),
 423     DEFINE_PROP_END_OF_LIST(),
 424 };
 425
 426 static void mv88w8618_eth_class_init(ObjectClass *klass, void *data)
 427 {
 428     DeviceClass *dc = DEVICE_CLASS(klass);
 429     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 430
 431     k->init = mv88w8618_eth_init;
 432     dc->vmsd = &mv88w8618_eth_vmsd;
 433     dc->props = mv88w8618_eth_properties;
 434 }
 435
 436 static const TypeInfo mv88w8618_eth_info = {
 437     .name          = TYPE_MV88W8618_ETH,
 438     .parent        = TYPE_SYS_BUS_DEVICE,
 439     .instance_size = sizeof(mv88w8618_eth_state),
 440     .class_init    = mv88w8618_eth_class_init,
 441 };
 442
 443 /* LCD register offsets */
 444 #define MP_LCD_IRQCTRL          0x180
 445 #define MP_LCD_IRQSTAT          0x184
 446 #define MP_LCD_SPICTRL          0x1ac
 447 #define MP_LCD_INST             0x1bc
 448 #define MP_LCD_DATA             0x1c0
 449
 450 /* Mode magics */
 451 #define MP_LCD_SPI_DATA         0x00100011
 452 #define MP_LCD_SPI_CMD          0x00104011
 453 #define MP_LCD_SPI_INVALID      0x00000000
 454
 455 /* Commmands */
 456 #define MP_LCD_INST_SETPAGE0    0xB0
 457 /* ... */
 458 #define MP_LCD_INST_SETPAGE7    0xB7
 459
 460 #define MP_LCD_TEXTCOLOR        0xe0e0ff /* RRGGBB */
 461
 462 #define TYPE_MUSICPAL_LCD "musicpal_lcd"
 463 #define MUSICPAL_LCD(obj) \
 464     OBJECT_CHECK(musicpal_lcd_state, (obj), TYPE_MUSICPAL_LCD)
 465
 466 typedef struct musicpal_lcd_state {
 467     /*< private >*/
 468     SysBusDevice parent_obj;
 469     /*< public >*/
 470
 471     MemoryRegion iomem;
 472     uint32_t brightness;
 473     uint32_t mode;
 474     uint32_t irqctrl;
 475     uint32_t page;
 476     uint32_t page_off;
 477     QemuConsole *con;
 478     uint8_t video_ram[128*64/8];
 479 } musicpal_lcd_state;
 480
 481 static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col)
 482 {
 483     switch (s->brightness) {
 484     case 7:
 485         return col;
 486     case 0:
 487         return 0;
 488     default:
 489         return (col * s->brightness) / 7;
 490     }
 491 }
 492
 493 #define SET_LCD_PIXEL(depth, type) \
 494 static inline void glue(set_lcd_pixel, depth) \
 495         (musicpal_lcd_state *s, int x, int y, type col) \
 496 { \
 497     int dx, dy; \
 498     DisplaySurface *surface = qemu_console_surface(s->con); \
 499     type *pixel = &((type *) surface_data(surface))[(y * 128 * 3 + x) * 3]; \
 500 \
 501     for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \
 502         for (dx = 0; dx < 3; dx++, pixel++) \
 503             *pixel = col; \
 504 }
 505 SET_LCD_PIXEL(8, uint8_t)
 506 SET_LCD_PIXEL(16, uint16_t)
 507 SET_LCD_PIXEL(32, uint32_t)
 508
 509 static void lcd_refresh(void *opaque)
 510 {
 511     musicpal_lcd_state *s = opaque;
 512     DisplaySurface *surface = qemu_console_surface(s->con);
 513     int x, y, col;
 514
 515     switch (surface_bits_per_pixel(surface)) {
 516     case 0:
 517         return;
 518 #define LCD_REFRESH(depth, func) \
 519     case depth: \
 520         col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \
 521                    scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \
 522                    scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \
 523         for (x = 0; x < 128; x++) { \
 524             for (y = 0; y < 64; y++) { \
 525                 if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \
 526                     glue(set_lcd_pixel, depth)(s, x, y, col); \
 527                 } else { \
 528                     glue(set_lcd_pixel, depth)(s, x, y, 0); \
 529                 } \
 530             } \
 531         } \
 532         break;
 533     LCD_REFRESH(8, rgb_to_pixel8)
 534     LCD_REFRESH(16, rgb_to_pixel16)
 535     LCD_REFRESH(32, (is_surface_bgr(surface) ?
 536                      rgb_to_pixel32bgr : rgb_to_pixel32))
 537     default:
 538         hw_error("unsupported colour depth %i\n",
 539                  surface_bits_per_pixel(surface));
 540     }
 541
 542     dpy_gfx_update(s->con, 0, 0, 128*3, 64*3);
 543 }
 544
 545 static void lcd_invalidate(void *opaque)
 546 {
 547 }
 548
 549 static void musicpal_lcd_gpio_brightness_in(void *opaque, int irq, int level)
 550 {
 551     musicpal_lcd_state *s = opaque;
 552     s->brightness &= ~(1 << irq);
 553     s->brightness |= level << irq;
 554 }
 555
 556 static uint64_t musicpal_lcd_read(void *opaque, hwaddr offset,
 557                                   unsigned size)
 558 {
 559     musicpal_lcd_state *s = opaque;
 560
 561     switch (offset) {
 562     case MP_LCD_IRQCTRL:
 563         return s->irqctrl;
 564
 565     default:
 566         return 0;
 567     }
 568 }
 569
 570 static void musicpal_lcd_write(void *opaque, hwaddr offset,
 571                                uint64_t value, unsigned size)
 572 {
 573     musicpal_lcd_state *s = opaque;
 574
 575     switch (offset) {
 576     case MP_LCD_IRQCTRL:
 577         s->irqctrl = value;
 578         break;
 579
 580     case MP_LCD_SPICTRL:
 581         if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) {
 582             s->mode = value;
 583         } else {
 584             s->mode = MP_LCD_SPI_INVALID;
 585         }
 586         break;
 587
 588     case MP_LCD_INST:
 589         if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) {
 590             s->page = value - MP_LCD_INST_SETPAGE0;
 591             s->page_off = 0;
 592         }
 593         break;
 594
 595     case MP_LCD_DATA:
 596         if (s->mode == MP_LCD_SPI_CMD) {
 597             if (value >= MP_LCD_INST_SETPAGE0 &&
 598                 value <= MP_LCD_INST_SETPAGE7) {
 599                 s->page = value - MP_LCD_INST_SETPAGE0;
 600                 s->page_off = 0;
 601             }
 602         } else if (s->mode == MP_LCD_SPI_DATA) {
 603             s->video_ram[s->page*128 + s->page_off] = value;
 604             s->page_off = (s->page_off + 1) & 127;
 605         }
 606         break;
 607     }
 608 }
 609
 610 static const MemoryRegionOps musicpal_lcd_ops = {
 611     .read = musicpal_lcd_read,
 612     .write = musicpal_lcd_write,
 613     .endianness = DEVICE_NATIVE_ENDIAN,
 614 };
 615
 616 static const GraphicHwOps musicpal_gfx_ops = {
 617     .invalidate  = lcd_invalidate,
 618     .gfx_update  = lcd_refresh,
 619 };
 620
 621 static int musicpal_lcd_init(SysBusDevice *sbd)
 622 {
 623     DeviceState *dev = DEVICE(sbd);
 624     musicpal_lcd_state *s = MUSICPAL_LCD(dev);
 625
 626     s->brightness = 7;
 627
 628     memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_lcd_ops, s,
 629                           "musicpal-lcd", MP_LCD_SIZE);
 630     sysbus_init_mmio(sbd, &s->iomem);
 631
 632     s->con = graphic_console_init(dev, 0, &musicpal_gfx_ops, s);
 633     qemu_console_resize(s->con, 128*3, 64*3);
 634
 635     qdev_init_gpio_in(dev, musicpal_lcd_gpio_brightness_in, 3);
 636
 637     return 0;
 638 }
 639
 640 static const VMStateDescription musicpal_lcd_vmsd = {
 641     .name = "musicpal_lcd",
 642     .version_id = 1,
 643     .minimum_version_id = 1,
 644     .fields = (VMStateField[]) {
 645         VMSTATE_UINT32(brightness, musicpal_lcd_state),
 646         VMSTATE_UINT32(mode, musicpal_lcd_state),
 647         VMSTATE_UINT32(irqctrl, musicpal_lcd_state),
 648         VMSTATE_UINT32(page, musicpal_lcd_state),
 649         VMSTATE_UINT32(page_off, musicpal_lcd_state),
 650         VMSTATE_BUFFER(video_ram, musicpal_lcd_state),
 651         VMSTATE_END_OF_LIST()
 652     }
 653 };
 654
 655 static void musicpal_lcd_class_init(ObjectClass *klass, void *data)
 656 {
 657     DeviceClass *dc = DEVICE_CLASS(klass);
 658     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 659
 660     k->init = musicpal_lcd_init;
 661     dc->vmsd = &musicpal_lcd_vmsd;
 662 }
 663
 664 static const TypeInfo musicpal_lcd_info = {
 665     .name          = TYPE_MUSICPAL_LCD,
 666     .parent        = TYPE_SYS_BUS_DEVICE,
 667     .instance_size = sizeof(musicpal_lcd_state),
 668     .class_init    = musicpal_lcd_class_init,
 669 };
 670
 671 /* PIC register offsets */
 672 #define MP_PIC_STATUS           0x00
 673 #define MP_PIC_ENABLE_SET       0x08
 674 #define MP_PIC_ENABLE_CLR       0x0C
 675
 676 #define TYPE_MV88W8618_PIC "mv88w8618_pic"
 677 #define MV88W8618_PIC(obj) \
 678     OBJECT_CHECK(mv88w8618_pic_state, (obj), TYPE_MV88W8618_PIC)
 679
 680 typedef struct mv88w8618_pic_state {
 681     /*< private >*/
 682     SysBusDevice parent_obj;
 683     /*< public >*/
 684
 685     MemoryRegion iomem;
 686     uint32_t level;
 687     uint32_t enabled;
 688     qemu_irq parent_irq;
 689 } mv88w8618_pic_state;
 690
 691 static void mv88w8618_pic_update(mv88w8618_pic_state *s)
 692 {
 693     qemu_set_irq(s->parent_irq, (s->level & s->enabled));
 694 }
 695
 696 static void mv88w8618_pic_set_irq(void *opaque, int irq, int level)
 697 {
 698     mv88w8618_pic_state *s = opaque;
 699
 700     if (level) {
 701         s->level |= 1 << irq;
 702     } else {
 703         s->level &= ~(1 << irq);
 704     }
 705     mv88w8618_pic_update(s);
 706 }
 707
 708 static uint64_t mv88w8618_pic_read(void *opaque, hwaddr offset,
 709                                    unsigned size)
 710 {
 711     mv88w8618_pic_state *s = opaque;
 712
 713     switch (offset) {
 714     case MP_PIC_STATUS:
 715         return s->level & s->enabled;
 716
 717     default:
 718         return 0;
 719     }
 720 }
 721
 722 static void mv88w8618_pic_write(void *opaque, hwaddr offset,
 723                                 uint64_t value, unsigned size)
 724 {
 725     mv88w8618_pic_state *s = opaque;
 726
 727     switch (offset) {
 728     case MP_PIC_ENABLE_SET:
 729         s->enabled |= value;
 730         break;
 731
 732     case MP_PIC_ENABLE_CLR:
 733         s->enabled &= ~value;
 734         s->level &= ~value;
 735         break;
 736     }
 737     mv88w8618_pic_update(s);
 738 }
 739
 740 static void mv88w8618_pic_reset(DeviceState *d)
 741 {
 742     mv88w8618_pic_state *s = MV88W8618_PIC(d);
 743
 744     s->level = 0;
 745     s->enabled = 0;
 746 }
 747
 748 static const MemoryRegionOps mv88w8618_pic_ops = {
 749     .read = mv88w8618_pic_read,
 750     .write = mv88w8618_pic_write,
 751     .endianness = DEVICE_NATIVE_ENDIAN,
 752 };
 753
 754 static int mv88w8618_pic_init(SysBusDevice *dev)
 755 {
 756     mv88w8618_pic_state *s = MV88W8618_PIC(dev);
 757
 758     qdev_init_gpio_in(DEVICE(dev), mv88w8618_pic_set_irq, 32);
 759     sysbus_init_irq(dev, &s->parent_irq);
 760     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_pic_ops, s,
 761                           "musicpal-pic", MP_PIC_SIZE);
 762     sysbus_init_mmio(dev, &s->iomem);
 763     return 0;
 764 }
 765
 766 static const VMStateDescription mv88w8618_pic_vmsd = {
 767     .name = "mv88w8618_pic",
 768     .version_id = 1,
 769     .minimum_version_id = 1,
 770     .fields = (VMStateField[]) {
 771         VMSTATE_UINT32(level, mv88w8618_pic_state),
 772         VMSTATE_UINT32(enabled, mv88w8618_pic_state),
 773         VMSTATE_END_OF_LIST()
 774     }
 775 };
 776
 777 static void mv88w8618_pic_class_init(ObjectClass *klass, void *data)
 778 {
 779     DeviceClass *dc = DEVICE_CLASS(klass);
 780     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 781
 782     k->init = mv88w8618_pic_init;
 783     dc->reset = mv88w8618_pic_reset;
 784     dc->vmsd = &mv88w8618_pic_vmsd;
 785 }
 786
 787 static const TypeInfo mv88w8618_pic_info = {
 788     .name          = TYPE_MV88W8618_PIC,
 789     .parent        = TYPE_SYS_BUS_DEVICE,
 790     .instance_size = sizeof(mv88w8618_pic_state),
 791     .class_init    = mv88w8618_pic_class_init,
 792 };
 793
 794 /* PIT register offsets */
 795 #define MP_PIT_TIMER1_LENGTH    0x00
 796 /* ... */
 797 #define MP_PIT_TIMER4_LENGTH    0x0C
 798 #define MP_PIT_CONTROL          0x10
 799 #define MP_PIT_TIMER1_VALUE     0x14
 800 /* ... */
 801 #define MP_PIT_TIMER4_VALUE     0x20
 802 #define MP_BOARD_RESET          0x34
 803
 804 /* Magic board reset value (probably some watchdog behind it) */
 805 #define MP_BOARD_RESET_MAGIC    0x10000
 806
 807 typedef struct mv88w8618_timer_state {
 808     ptimer_state *ptimer;
 809     uint32_t limit;
 810     int freq;
 811     qemu_irq irq;
 812 } mv88w8618_timer_state;
 813
 814 #define TYPE_MV88W8618_PIT "mv88w8618_pit"
 815 #define MV88W8618_PIT(obj) \
 816     OBJECT_CHECK(mv88w8618_pit_state, (obj), TYPE_MV88W8618_PIT)
 817
 818 typedef struct mv88w8618_pit_state {
 819     /*< private >*/
 820     SysBusDevice parent_obj;
 821     /*< public >*/
 822
 823     MemoryRegion iomem;
 824     mv88w8618_timer_state timer[4];
 825 } mv88w8618_pit_state;
 826
 827 static void mv88w8618_timer_tick(void *opaque)
 828 {
 829     mv88w8618_timer_state *s = opaque;
 830
 831     qemu_irq_raise(s->irq);
 832 }
 833
 834 static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s,
 835                                  uint32_t freq)
 836 {
 837     QEMUBH *bh;
 838
 839     sysbus_init_irq(dev, &s->irq);
 840     s->freq = freq;
 841
 842     bh = qemu_bh_new(mv88w8618_timer_tick, s);
 843     s->ptimer = ptimer_init(bh);
 844 }
 845
 846 static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset,
 847                                    unsigned size)
 848 {
 849     mv88w8618_pit_state *s = opaque;
 850     mv88w8618_timer_state *t;
 851
 852     switch (offset) {
 853     case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE:
 854         t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2];
 855         return ptimer_get_count(t->ptimer);
 856
 857     default:
 858         return 0;
 859     }
 860 }
 861
 862 static void mv88w8618_pit_write(void *opaque, hwaddr offset,
 863                                 uint64_t value, unsigned size)
 864 {
 865     mv88w8618_pit_state *s = opaque;
 866     mv88w8618_timer_state *t;
 867     int i;
 868
 869     switch (offset) {
 870     case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH:
 871         t = &s->timer[offset >> 2];
 872         t->limit = value;
 873         if (t->limit > 0) {
 874             ptimer_set_limit(t->ptimer, t->limit, 1);
 875         } else {
 876             ptimer_stop(t->ptimer);
 877         }
 878         break;
 879
 880     case MP_PIT_CONTROL:
 881         for (i = 0; i < 4; i++) {
 882             t = &s->timer[i];
 883             if (value & 0xf && t->limit > 0) {
 884                 ptimer_set_limit(t->ptimer, t->limit, 0);
 885                 ptimer_set_freq(t->ptimer, t->freq);
 886                 ptimer_run(t->ptimer, 0);
 887             } else {
 888                 ptimer_stop(t->ptimer);
 889             }
 890             value >>= 4;
 891         }
 892         break;
 893
 894     case MP_BOARD_RESET:
 895         if (value == MP_BOARD_RESET_MAGIC) {
 896             qemu_system_reset_request();
 897         }
 898         break;
 899     }
 900 }
 901
 902 static void mv88w8618_pit_reset(DeviceState *d)
 903 {
 904     mv88w8618_pit_state *s = MV88W8618_PIT(d);
 905     int i;
 906
 907     for (i = 0; i < 4; i++) {
 908         ptimer_stop(s->timer[i].ptimer);
 909         s->timer[i].limit = 0;
 910     }
 911 }
 912
 913 static const MemoryRegionOps mv88w8618_pit_ops = {
 914     .read = mv88w8618_pit_read,
 915     .write = mv88w8618_pit_write,
 916     .endianness = DEVICE_NATIVE_ENDIAN,
 917 };
 918
 919 static int mv88w8618_pit_init(SysBusDevice *dev)
 920 {
 921     mv88w8618_pit_state *s = MV88W8618_PIT(dev);
 922     int i;
 923
 924     /* Letting them all run at 1 MHz is likely just a pragmatic
 925      * simplification. */
 926     for (i = 0; i < 4; i++) {
 927         mv88w8618_timer_init(dev, &s->timer[i], 1000000);
 928     }
 929
 930     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_pit_ops, s,
 931                           "musicpal-pit", MP_PIT_SIZE);
 932     sysbus_init_mmio(dev, &s->iomem);
 933     return 0;
 934 }
 935
 936 static const VMStateDescription mv88w8618_timer_vmsd = {
 937     .name = "timer",
 938     .version_id = 1,
 939     .minimum_version_id = 1,
 940     .fields = (VMStateField[]) {
 941         VMSTATE_PTIMER(ptimer, mv88w8618_timer_state),
 942         VMSTATE_UINT32(limit, mv88w8618_timer_state),
 943         VMSTATE_END_OF_LIST()
 944     }
 945 };
 946
 947 static const VMStateDescription mv88w8618_pit_vmsd = {
 948     .name = "mv88w8618_pit",
 949     .version_id = 1,
 950     .minimum_version_id = 1,
 951     .fields = (VMStateField[]) {
 952         VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1,
 953                              mv88w8618_timer_vmsd, mv88w8618_timer_state),
 954         VMSTATE_END_OF_LIST()
 955     }
 956 };
 957
 958 static void mv88w8618_pit_class_init(ObjectClass *klass, void *data)
 959 {
 960     DeviceClass *dc = DEVICE_CLASS(klass);
 961     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
 962
 963     k->init = mv88w8618_pit_init;
 964     dc->reset = mv88w8618_pit_reset;
 965     dc->vmsd = &mv88w8618_pit_vmsd;
 966 }
 967
 968 static const TypeInfo mv88w8618_pit_info = {
 969     .name          = TYPE_MV88W8618_PIT,
 970     .parent        = TYPE_SYS_BUS_DEVICE,
 971     .instance_size = sizeof(mv88w8618_pit_state),
 972     .class_init    = mv88w8618_pit_class_init,
 973 };
 974
 975 /* Flash config register offsets */
 976 #define MP_FLASHCFG_CFGR0    0x04
 977
 978 #define TYPE_MV88W8618_FLASHCFG "mv88w8618_flashcfg"
 979 #define MV88W8618_FLASHCFG(obj) \
 980     OBJECT_CHECK(mv88w8618_flashcfg_state, (obj), TYPE_MV88W8618_FLASHCFG)
 981
 982 typedef struct mv88w8618_flashcfg_state {
 983     /*< private >*/
 984     SysBusDevice parent_obj;
 985     /*< public >*/
 986
 987     MemoryRegion iomem;
 988     uint32_t cfgr0;
 989 } mv88w8618_flashcfg_state;
 990
 991 static uint64_t mv88w8618_flashcfg_read(void *opaque,
 992                                         hwaddr offset,
 993                                         unsigned size)
 994 {
 995     mv88w8618_flashcfg_state *s = opaque;
 996
 997     switch (offset) {
 998     case MP_FLASHCFG_CFGR0:
 999         return s->cfgr0;
1000
1001     default:
1002         return 0;
1003     }
1004 }
1005
1006 static void mv88w8618_flashcfg_write(void *opaque, hwaddr offset,
1007                                      uint64_t value, unsigned size)
1008 {
1009     mv88w8618_flashcfg_state *s = opaque;
1010
1011     switch (offset) {
1012     case MP_FLASHCFG_CFGR0:
1013         s->cfgr0 = value;
1014         break;
1015     }
1016 }
1017
1018 static const MemoryRegionOps mv88w8618_flashcfg_ops = {
1019     .read = mv88w8618_flashcfg_read,
1020     .write = mv88w8618_flashcfg_write,
1021     .endianness = DEVICE_NATIVE_ENDIAN,
1022 };
1023
1024 static int mv88w8618_flashcfg_init(SysBusDevice *dev)
1025 {
1026     mv88w8618_flashcfg_state *s = MV88W8618_FLASHCFG(dev);
1027
1028     s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */
1029     memory_region_init_io(&s->iomem, OBJECT(s), &mv88w8618_flashcfg_ops, s,
1030                           "musicpal-flashcfg", MP_FLASHCFG_SIZE);
1031     sysbus_init_mmio(dev, &s->iomem);
1032     return 0;
1033 }
1034
1035 static const VMStateDescription mv88w8618_flashcfg_vmsd = {
1036     .name = "mv88w8618_flashcfg",
1037     .version_id = 1,
1038     .minimum_version_id = 1,
1039     .fields = (VMStateField[]) {
1040         VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state),
1041         VMSTATE_END_OF_LIST()
1042     }
1043 };
1044
1045 static void mv88w8618_flashcfg_class_init(ObjectClass *klass, void *data)
1046 {
1047     DeviceClass *dc = DEVICE_CLASS(klass);
1048     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1049
1050     k->init = mv88w8618_flashcfg_init;
1051     dc->vmsd = &mv88w8618_flashcfg_vmsd;
1052 }
1053
1054 static const TypeInfo mv88w8618_flashcfg_info = {
1055     .name          = TYPE_MV88W8618_FLASHCFG,
1056     .parent        = TYPE_SYS_BUS_DEVICE,
1057     .instance_size = sizeof(mv88w8618_flashcfg_state),
1058     .class_init    = mv88w8618_flashcfg_class_init,
1059 };
1060
1061 /* Misc register offsets */
1062 #define MP_MISC_BOARD_REVISION  0x18
1063
1064 #define MP_BOARD_REVISION       0x31
1065
1066 typedef struct {
1067     SysBusDevice parent_obj;
1068     MemoryRegion iomem;
1069 } MusicPalMiscState;
1070
1071 #define TYPE_MUSICPAL_MISC "musicpal-misc"
1072 #define MUSICPAL_MISC(obj) \
1073      OBJECT_CHECK(MusicPalMiscState, (obj), TYPE_MUSICPAL_MISC)
1074
1075 static uint64_t musicpal_misc_read(void *opaque, hwaddr offset,
1076                                    unsigned size)
1077 {
1078     switch (offset) {
1079     case MP_MISC_BOARD_REVISION:
1080         return MP_BOARD_REVISION;
1081
1082     default:
1083         return 0;
1084     }
1085 }
1086
1087 static void musicpal_misc_write(void *opaque, hwaddr offset,
1088                                 uint64_t value, unsigned size)
1089 {
1090 }
1091
1092 static const MemoryRegionOps musicpal_misc_ops = {
1093     .read = musicpal_misc_read,
1094     .write = musicpal_misc_write,
1095     .endianness = DEVICE_NATIVE_ENDIAN,
1096 };
1097
1098 static void musicpal_misc_init(Object *obj)
1099 {
1100     SysBusDevice *sd = SYS_BUS_DEVICE(obj);
1101     MusicPalMiscState *s = MUSICPAL_MISC(obj);
1102
1103     memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_misc_ops, NULL,
1104                           "musicpal-misc", MP_MISC_SIZE);
1105     sysbus_init_mmio(sd, &s->iomem);
1106 }
1107
1108 static const TypeInfo musicpal_misc_info = {
1109     .name = TYPE_MUSICPAL_MISC,
1110     .parent = TYPE_SYS_BUS_DEVICE,
1111     .instance_init = musicpal_misc_init,
1112     .instance_size = sizeof(MusicPalMiscState),
1113 };
1114
1115 /* WLAN register offsets */
1116 #define MP_WLAN_MAGIC1          0x11c
1117 #define MP_WLAN_MAGIC2          0x124
1118
1119 static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset,
1120                                     unsigned size)
1121 {
1122     switch (offset) {
1123     /* Workaround to allow loading the binary-only wlandrv.ko crap
1124      * from the original Freecom firmware. */
1125     case MP_WLAN_MAGIC1:
1126         return ~3;
1127     case MP_WLAN_MAGIC2:
1128         return -1;
1129
1130     default:
1131         return 0;
1132     }
1133 }
1134
1135 static void mv88w8618_wlan_write(void *opaque, hwaddr offset,
1136                                  uint64_t value, unsigned size)
1137 {
1138 }
1139
1140 static const MemoryRegionOps mv88w8618_wlan_ops = {
1141     .read = mv88w8618_wlan_read,
1142     .write =mv88w8618_wlan_write,
1143     .endianness = DEVICE_NATIVE_ENDIAN,
1144 };
1145
1146 static int mv88w8618_wlan_init(SysBusDevice *dev)
1147 {
1148     MemoryRegion *iomem = g_new(MemoryRegion, 1);
1149
1150     memory_region_init_io(iomem, OBJECT(dev), &mv88w8618_wlan_ops, NULL,
1151                           "musicpal-wlan", MP_WLAN_SIZE);
1152     sysbus_init_mmio(dev, iomem);
1153     return 0;
1154 }
1155
1156 /* GPIO register offsets */
1157 #define MP_GPIO_OE_LO           0x008
1158 #define MP_GPIO_OUT_LO          0x00c
1159 #define MP_GPIO_IN_LO           0x010
1160 #define MP_GPIO_IER_LO          0x014
1161 #define MP_GPIO_IMR_LO          0x018
1162 #define MP_GPIO_ISR_LO          0x020
1163 #define MP_GPIO_OE_HI           0x508
1164 #define MP_GPIO_OUT_HI          0x50c
1165 #define MP_GPIO_IN_HI           0x510
1166 #define MP_GPIO_IER_HI          0x514
1167 #define MP_GPIO_IMR_HI          0x518
1168 #define MP_GPIO_ISR_HI          0x520
1169
1170 /* GPIO bits & masks */
1171 #define MP_GPIO_LCD_BRIGHTNESS  0x00070000
1172 #define MP_GPIO_I2C_DATA_BIT    29
1173 #define MP_GPIO_I2C_CLOCK_BIT   30
1174
1175 /* LCD brightness bits in GPIO_OE_HI */
1176 #define MP_OE_LCD_BRIGHTNESS    0x0007
1177
1178 #define TYPE_MUSICPAL_GPIO "musicpal_gpio"
1179 #define MUSICPAL_GPIO(obj) \
1180     OBJECT_CHECK(musicpal_gpio_state, (obj), TYPE_MUSICPAL_GPIO)
1181
1182 typedef struct musicpal_gpio_state {
1183     /*< private >*/
1184     SysBusDevice parent_obj;
1185     /*< public >*/
1186
1187     MemoryRegion iomem;
1188     uint32_t lcd_brightness;
1189     uint32_t out_state;
1190     uint32_t in_state;
1191     uint32_t ier;
1192     uint32_t imr;
1193     uint32_t isr;
1194     qemu_irq irq;
1195     qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */
1196 } musicpal_gpio_state;
1197
1198 static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) {
1199     int i;
1200     uint32_t brightness;
1201
1202     /* compute brightness ratio */
1203     switch (s->lcd_brightness) {
1204     case 0x00000007:
1205         brightness = 0;
1206         break;
1207
1208     case 0x00020000:
1209         brightness = 1;
1210         break;
1211
1212     case 0x00020001:
1213         brightness = 2;
1214         break;
1215
1216     case 0x00040000:
1217         brightness = 3;
1218         break;
1219
1220     case 0x00010006:
1221         brightness = 4;
1222         break;
1223
1224     case 0x00020005:
1225         brightness = 5;
1226         break;
1227
1228     case 0x00040003:
1229         brightness = 6;
1230         break;
1231
1232     case 0x00030004:
1233     default:
1234         brightness = 7;
1235     }
1236
1237     /* set lcd brightness GPIOs  */
1238     for (i = 0; i <= 2; i++) {
1239         qemu_set_irq(s->out[i], (brightness >> i) & 1);
1240     }
1241 }
1242
1243 static void musicpal_gpio_pin_event(void *opaque, int pin, int level)
1244 {
1245     musicpal_gpio_state *s = opaque;
1246     uint32_t mask = 1 << pin;
1247     uint32_t delta = level << pin;
1248     uint32_t old = s->in_state & mask;
1249
1250     s->in_state &= ~mask;
1251     s->in_state |= delta;
1252
1253     if ((old ^ delta) &&
1254         ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) {
1255         s->isr = mask;
1256         qemu_irq_raise(s->irq);
1257     }
1258 }
1259
1260 static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset,
1261                                    unsigned size)
1262 {
1263     musicpal_gpio_state *s = opaque;
1264
1265     switch (offset) {
1266     case MP_GPIO_OE_HI: /* used for LCD brightness control */
1267         return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS;
1268
1269     case MP_GPIO_OUT_LO:
1270         return s->out_state & 0xFFFF;
1271     case MP_GPIO_OUT_HI:
1272         return s->out_state >> 16;
1273
1274     case MP_GPIO_IN_LO:
1275         return s->in_state & 0xFFFF;
1276     case MP_GPIO_IN_HI:
1277         return s->in_state >> 16;
1278
1279     case MP_GPIO_IER_LO:
1280         return s->ier & 0xFFFF;
1281     case MP_GPIO_IER_HI:
1282         return s->ier >> 16;
1283
1284     case MP_GPIO_IMR_LO:
1285         return s->imr & 0xFFFF;
1286     case MP_GPIO_IMR_HI:
1287         return s->imr >> 16;
1288
1289     case MP_GPIO_ISR_LO:
1290         return s->isr & 0xFFFF;
1291     case MP_GPIO_ISR_HI:
1292         return s->isr >> 16;
1293
1294     default:
1295         return 0;
1296     }
1297 }
1298
1299 static void musicpal_gpio_write(void *opaque, hwaddr offset,
1300                                 uint64_t value, unsigned size)
1301 {
1302     musicpal_gpio_state *s = opaque;
1303     switch (offset) {
1304     case MP_GPIO_OE_HI: /* used for LCD brightness control */
1305         s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) |
1306                          (value & MP_OE_LCD_BRIGHTNESS);
1307         musicpal_gpio_brightness_update(s);
1308         break;
1309
1310     case MP_GPIO_OUT_LO:
1311         s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF);
1312         break;
1313     case MP_GPIO_OUT_HI:
1314         s->out_state = (s->out_state & 0xFFFF) | (value << 16);
1315         s->lcd_brightness = (s->lcd_brightness & 0xFFFF) |
1316                             (s->out_state & MP_GPIO_LCD_BRIGHTNESS);
1317         musicpal_gpio_brightness_update(s);
1318         qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1);
1319         qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1);
1320         break;
1321
1322     case MP_GPIO_IER_LO:
1323         s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF);
1324         break;
1325     case MP_GPIO_IER_HI:
1326         s->ier = (s->ier & 0xFFFF) | (value << 16);
1327         break;
1328
1329     case MP_GPIO_IMR_LO:
1330         s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF);
1331         break;
1332     case MP_GPIO_IMR_HI:
1333         s->imr = (s->imr & 0xFFFF) | (value << 16);
1334         break;
1335     }
1336 }
1337
1338 static const MemoryRegionOps musicpal_gpio_ops = {
1339     .read = musicpal_gpio_read,
1340     .write = musicpal_gpio_write,
1341     .endianness = DEVICE_NATIVE_ENDIAN,
1342 };
1343
1344 static void musicpal_gpio_reset(DeviceState *d)
1345 {
1346     musicpal_gpio_state *s = MUSICPAL_GPIO(d);
1347
1348     s->lcd_brightness = 0;
1349     s->out_state = 0;
1350     s->in_state = 0xffffffff;
1351     s->ier = 0;
1352     s->imr = 0;
1353     s->isr = 0;
1354 }
1355
1356 static int musicpal_gpio_init(SysBusDevice *sbd)
1357 {
1358     DeviceState *dev = DEVICE(sbd);
1359     musicpal_gpio_state *s = MUSICPAL_GPIO(dev);
1360
1361     sysbus_init_irq(sbd, &s->irq);
1362
1363     memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_gpio_ops, s,
1364                           "musicpal-gpio", MP_GPIO_SIZE);
1365     sysbus_init_mmio(sbd, &s->iomem);
1366
1367     qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out));
1368
1369     qdev_init_gpio_in(dev, musicpal_gpio_pin_event, 32);
1370
1371     return 0;
1372 }
1373
1374 static const VMStateDescription musicpal_gpio_vmsd = {
1375     .name = "musicpal_gpio",
1376     .version_id = 1,
1377     .minimum_version_id = 1,
1378     .fields = (VMStateField[]) {
1379         VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state),
1380         VMSTATE_UINT32(out_state, musicpal_gpio_state),
1381         VMSTATE_UINT32(in_state, musicpal_gpio_state),
1382         VMSTATE_UINT32(ier, musicpal_gpio_state),
1383         VMSTATE_UINT32(imr, musicpal_gpio_state),
1384         VMSTATE_UINT32(isr, musicpal_gpio_state),
1385         VMSTATE_END_OF_LIST()
1386     }
1387 };
1388
1389 static void musicpal_gpio_class_init(ObjectClass *klass, void *data)
1390 {
1391     DeviceClass *dc = DEVICE_CLASS(klass);
1392     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1393
1394     k->init = musicpal_gpio_init;
1395     dc->reset = musicpal_gpio_reset;
1396     dc->vmsd = &musicpal_gpio_vmsd;
1397 }
1398
1399 static const TypeInfo musicpal_gpio_info = {
1400     .name          = TYPE_MUSICPAL_GPIO,
1401     .parent        = TYPE_SYS_BUS_DEVICE,
1402     .instance_size = sizeof(musicpal_gpio_state),
1403     .class_init    = musicpal_gpio_class_init,
1404 };
1405
1406 /* Keyboard codes & masks */
1407 #define KEY_RELEASED            0x80
1408 #define KEY_CODE                0x7f
1409
1410 #define KEYCODE_TAB             0x0f
1411 #define KEYCODE_ENTER           0x1c
1412 #define KEYCODE_F               0x21
1413 #define KEYCODE_M               0x32
1414
1415 #define KEYCODE_EXTENDED        0xe0
1416 #define KEYCODE_UP              0x48
1417 #define KEYCODE_DOWN            0x50
1418 #define KEYCODE_LEFT            0x4b
1419 #define KEYCODE_RIGHT           0x4d
1420
1421 #define MP_KEY_WHEEL_VOL       (1 << 0)
1422 #define MP_KEY_WHEEL_VOL_INV   (1 << 1)
1423 #define MP_KEY_WHEEL_NAV       (1 << 2)
1424 #define MP_KEY_WHEEL_NAV_INV   (1 << 3)
1425 #define MP_KEY_BTN_FAVORITS    (1 << 4)
1426 #define MP_KEY_BTN_MENU        (1 << 5)
1427 #define MP_KEY_BTN_VOLUME      (1 << 6)
1428 #define MP_KEY_BTN_NAVIGATION  (1 << 7)
1429
1430 #define TYPE_MUSICPAL_KEY "musicpal_key"
1431 #define MUSICPAL_KEY(obj) \
1432     OBJECT_CHECK(musicpal_key_state, (obj), TYPE_MUSICPAL_KEY)
1433
1434 typedef struct musicpal_key_state {
1435     /*< private >*/
1436     SysBusDevice parent_obj;
1437     /*< public >*/
1438
1439     MemoryRegion iomem;
1440     uint32_t kbd_extended;
1441     uint32_t pressed_keys;
1442     qemu_irq out[8];
1443 } musicpal_key_state;
1444
1445 static void musicpal_key_event(void *opaque, int keycode)
1446 {
1447     musicpal_key_state *s = opaque;
1448     uint32_t event = 0;
1449     int i;
1450
1451     if (keycode == KEYCODE_EXTENDED) {
1452         s->kbd_extended = 1;
1453         return;
1454     }
1455
1456     if (s->kbd_extended) {
1457         switch (keycode & KEY_CODE) {
1458         case KEYCODE_UP:
1459             event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV;
1460             break;
1461
1462         case KEYCODE_DOWN:
1463             event = MP_KEY_WHEEL_NAV;
1464             break;
1465
1466         case KEYCODE_LEFT:
1467             event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV;
1468             break;
1469
1470         case KEYCODE_RIGHT:
1471             event = MP_KEY_WHEEL_VOL;
1472             break;
1473         }
1474     } else {
1475         switch (keycode & KEY_CODE) {
1476         case KEYCODE_F:
1477             event = MP_KEY_BTN_FAVORITS;
1478             break;
1479
1480         case KEYCODE_TAB:
1481             event = MP_KEY_BTN_VOLUME;
1482             break;
1483
1484         case KEYCODE_ENTER:
1485             event = MP_KEY_BTN_NAVIGATION;
1486             break;
1487
1488         case KEYCODE_M:
1489             event = MP_KEY_BTN_MENU;
1490             break;
1491         }
1492         /* Do not repeat already pressed buttons */
1493         if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1494             event = 0;
1495         }
1496     }
1497
1498     if (event) {
1499         /* Raise GPIO pin first if repeating a key */
1500         if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1501             for (i = 0; i <= 7; i++) {
1502                 if (event & (1 << i)) {
1503                     qemu_set_irq(s->out[i], 1);
1504                 }
1505             }
1506         }
1507         for (i = 0; i <= 7; i++) {
1508             if (event & (1 << i)) {
1509                 qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED));
1510             }
1511         }
1512         if (keycode & KEY_RELEASED) {
1513             s->pressed_keys &= ~event;
1514         } else {
1515             s->pressed_keys |= event;
1516         }
1517     }
1518
1519     s->kbd_extended = 0;
1520 }
1521
1522 static int musicpal_key_init(SysBusDevice *sbd)
1523 {
1524     DeviceState *dev = DEVICE(sbd);
1525     musicpal_key_state *s = MUSICPAL_KEY(dev);
1526
1527     memory_region_init(&s->iomem, OBJECT(s), "dummy", 0);
1528     sysbus_init_mmio(sbd, &s->iomem);
1529
1530     s->kbd_extended = 0;
1531     s->pressed_keys = 0;
1532
1533     qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out));
1534
1535     qemu_add_kbd_event_handler(musicpal_key_event, s);
1536
1537     return 0;
1538 }
1539
1540 static const VMStateDescription musicpal_key_vmsd = {
1541     .name = "musicpal_key",
1542     .version_id = 1,
1543     .minimum_version_id = 1,
1544     .fields = (VMStateField[]) {
1545         VMSTATE_UINT32(kbd_extended, musicpal_key_state),
1546         VMSTATE_UINT32(pressed_keys, musicpal_key_state),
1547         VMSTATE_END_OF_LIST()
1548     }
1549 };
1550
1551 static void musicpal_key_class_init(ObjectClass *klass, void *data)
1552 {
1553     DeviceClass *dc = DEVICE_CLASS(klass);
1554     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1555
1556     k->init = musicpal_key_init;
1557     dc->vmsd = &musicpal_key_vmsd;
1558 }
1559
1560 static const TypeInfo musicpal_key_info = {
1561     .name          = TYPE_MUSICPAL_KEY,
1562     .parent        = TYPE_SYS_BUS_DEVICE,
1563     .instance_size = sizeof(musicpal_key_state),
1564     .class_init    = musicpal_key_class_init,
1565 };
1566
1567 static struct arm_boot_info musicpal_binfo = {
1568     .loader_start = 0x0,
1569     .board_id = 0x20e,
1570 };
1571
1572 static void musicpal_init(MachineState *machine)
1573 {
1574     const char *cpu_model = machine->cpu_model;
1575     const char *kernel_filename = machine->kernel_filename;
1576     const char *kernel_cmdline = machine->kernel_cmdline;
1577     const char *initrd_filename = machine->initrd_filename;
1578     ARMCPU *cpu;
1579     qemu_irq pic[32];
1580     DeviceState *dev;
1581     DeviceState *i2c_dev;
1582     DeviceState *lcd_dev;
1583     DeviceState *key_dev;
1584     DeviceState *wm8750_dev;
1585     SysBusDevice *s;
1586     I2CBus *i2c;
1587     int i;
1588     unsigned long flash_size;
1589     DriveInfo *dinfo;
1590     MemoryRegion *address_space_mem = get_system_memory();
1591     MemoryRegion *ram = g_new(MemoryRegion, 1);
1592     MemoryRegion *sram = g_new(MemoryRegion, 1);
1593
1594     if (!cpu_model) {
1595         cpu_model = "arm926";
1596     }
1597     cpu = cpu_arm_init(cpu_model);
1598     if (!cpu) {
1599         fprintf(stderr, "Unable to find CPU definition\n");
1600         exit(1);
1601     }
1602
1603     /* For now we use a fixed - the original - RAM size */
1604     memory_region_init_ram(ram, NULL, "musicpal.ram", MP_RAM_DEFAULT_SIZE);
1605     vmstate_register_ram_global(ram);
1606     memory_region_add_subregion(address_space_mem, 0, ram);
1607
1608     memory_region_init_ram(sram, NULL, "musicpal.sram", MP_SRAM_SIZE);
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         flash_size = bdrv_getlength(dinfo->bdrv);
1634         if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 &&
1635             flash_size != 32*1024*1024) {
1636             fprintf(stderr, "Invalid flash image size\n");
1637             exit(1);
1638         }
1639
1640         /*
1641          * The original U-Boot accesses the flash at 0xFE000000 instead of
1642          * 0xFF800000 (if there is 8 MB flash). So remap flash access if the
1643          * image is smaller than 32 MB.
1644          */
1645 #ifdef TARGET_WORDS_BIGENDIAN
1646         pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1647                               "musicpal.flash", flash_size,
1648                               dinfo->bdrv, 0x10000,
1649                               (flash_size + 0xffff) >> 16,
1650                               MP_FLASH_SIZE_MAX / flash_size,
1651                               2, 0x00BF, 0x236D, 0x0000, 0x0000,
1652                               0x5555, 0x2AAA, 1);
1653 #else
1654         pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1655                               "musicpal.flash", flash_size,
1656                               dinfo->bdrv, 0x10000,
1657                               (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)