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/or-irq.h"
  31 #include "hw/audio/wm8750.h"
  32 #include "sysemu/block-backend.h"
  33 #include "sysemu/runstate.h"
  34 #include "sysemu/dma.h"
  35 #include "exec/address-spaces.h"
  36 #include "ui/pixel_ops.h"
  37 #include "qemu/cutils.h"
  38 #include "qom/object.h"
  39
  40 #define MP_MISC_BASE            0x80002000
  41 #define MP_MISC_SIZE            0x00001000
  42
  43 #define MP_ETH_BASE             0x80008000
  44 #define MP_ETH_SIZE             0x00001000
  45
  46 #define MP_WLAN_BASE            0x8000C000
  47 #define MP_WLAN_SIZE            0x00000800
  48
  49 #define MP_UART1_BASE           0x8000C840
  50 #define MP_UART2_BASE           0x8000C940
  51
  52 #define MP_GPIO_BASE            0x8000D000
  53 #define MP_GPIO_SIZE            0x00001000
  54
  55 #define MP_FLASHCFG_BASE        0x90006000
  56 #define MP_FLASHCFG_SIZE        0x00001000
  57
  58 #define MP_AUDIO_BASE           0x90007000
  59
  60 #define MP_PIC_BASE             0x90008000
  61 #define MP_PIC_SIZE             0x00001000
  62
  63 #define MP_PIT_BASE             0x90009000
  64 #define MP_PIT_SIZE             0x00001000
  65
  66 #define MP_LCD_BASE             0x9000c000
  67 #define MP_LCD_SIZE             0x00001000
  68
  69 #define MP_SRAM_BASE            0xC0000000
  70 #define MP_SRAM_SIZE            0x00020000
  71
  72 #define MP_RAM_DEFAULT_SIZE     32*1024*1024
  73 #define MP_FLASH_SIZE_MAX       32*1024*1024
  74
  75 #define MP_TIMER1_IRQ           4
  76 #define MP_TIMER2_IRQ           5
  77 #define MP_TIMER3_IRQ           6
  78 #define MP_TIMER4_IRQ           7
  79 #define MP_EHCI_IRQ             8
  80 #define MP_ETH_IRQ              9
  81 #define MP_UART_SHARED_IRQ      11
  82 #define MP_GPIO_IRQ             12
  83 #define MP_RTC_IRQ              28
  84 #define MP_AUDIO_IRQ            30
  85
  86 /* Wolfson 8750 I2C address */
  87 #define MP_WM_ADDR              0x1A
  88
  89 /* Ethernet register offsets */
  90 #define MP_ETH_SMIR             0x010
  91 #define MP_ETH_PCXR             0x408
  92 #define MP_ETH_SDCMR            0x448
  93 #define MP_ETH_ICR              0x450
  94 #define MP_ETH_IMR              0x458
  95 #define MP_ETH_FRDP0            0x480
  96 #define MP_ETH_FRDP1            0x484
  97 #define MP_ETH_FRDP2            0x488
  98 #define MP_ETH_FRDP3            0x48C
  99 #define MP_ETH_CRDP0            0x4A0
 100 #define MP_ETH_CRDP1            0x4A4
 101 #define MP_ETH_CRDP2            0x4A8
 102 #define MP_ETH_CRDP3            0x4AC
 103 #define MP_ETH_CTDP0            0x4E0
 104 #define MP_ETH_CTDP1            0x4E4
 105
 106 /* MII PHY access */
 107 #define MP_ETH_SMIR_DATA        0x0000FFFF
 108 #define MP_ETH_SMIR_ADDR        0x03FF0000
 109 #define MP_ETH_SMIR_OPCODE      (1 << 26) /* Read value */
 110 #define MP_ETH_SMIR_RDVALID     (1 << 27)
 111
 112 /* PHY registers */
 113 #define MP_ETH_PHY1_BMSR        0x00210000
 114 #define MP_ETH_PHY1_PHYSID1     0x00410000
 115 #define MP_ETH_PHY1_PHYSID2     0x00610000
 116
 117 #define MP_PHY_BMSR_LINK        0x0004
 118 #define MP_PHY_BMSR_AUTONEG     0x0008
 119
 120 #define MP_PHY_88E3015          0x01410E20
 121
 122 /* TX descriptor status */
 123 #define MP_ETH_TX_OWN           (1U << 31)
 124
 125 /* RX descriptor status */
 126 #define MP_ETH_RX_OWN           (1U << 31)
 127
 128 /* Interrupt cause/mask bits */
 129 #define MP_ETH_IRQ_RX_BIT       0
 130 #define MP_ETH_IRQ_RX           (1 << MP_ETH_IRQ_RX_BIT)
 131 #define MP_ETH_IRQ_TXHI_BIT     2
 132 #define MP_ETH_IRQ_TXLO_BIT     3
 133
 134 /* Port config bits */
 135 #define MP_ETH_PCXR_2BSM_BIT    28 /* 2-byte incoming suffix */
 136
 137 /* SDMA command bits */
 138 #define MP_ETH_CMD_TXHI         (1 << 23)
 139 #define MP_ETH_CMD_TXLO         (1 << 22)
 140
 141 typedef struct mv88w8618_tx_desc {
 142     uint32_t cmdstat;
 143     uint16_t res;
 144     uint16_t bytes;
 145     uint32_t buffer;
 146     uint32_t next;
 147 } mv88w8618_tx_desc;
 148
 149 typedef struct mv88w8618_rx_desc {
 150     uint32_t cmdstat;
 151     uint16_t bytes;
 152     uint16_t buffer_size;
 153     uint32_t buffer;
 154     uint32_t next;
 155 } mv88w8618_rx_desc;
 156
 157 #define TYPE_MV88W8618_ETH "mv88w8618_eth"
 158 OBJECT_DECLARE_SIMPLE_TYPE(mv88w8618_eth_state, MV88W8618_ETH)
 159
 160 struct mv88w8618_eth_state {
 161     /*< private >*/
 162     SysBusDevice parent_obj;
 163     /*< public >*/
 164
 165     MemoryRegion iomem;
 166     qemu_irq irq;
 167     MemoryRegion *dma_mr;
 168     AddressSpace dma_as;
 169     uint32_t smir;
 170     uint32_t icr;
 171     uint32_t imr;
 172     int mmio_index;
 173     uint32_t vlan_header;
 174     uint32_t tx_queue[2];
 175     uint32_t rx_queue[4];
 176     uint32_t frx_queue[4];
 177     uint32_t cur_rx[4];
 178     NICState *nic;
 179     NICConf conf;
 180 };
 181
 182 static void eth_rx_desc_put(AddressSpace *dma_as, uint32_t addr,
 183                             mv88w8618_rx_desc *desc)
 184 {
 185     cpu_to_le32s(&desc->cmdstat);
 186     cpu_to_le16s(&desc->bytes);
 187     cpu_to_le16s(&desc->buffer_size);
 188     cpu_to_le32s(&desc->buffer);
 189     cpu_to_le32s(&desc->next);
 190     dma_memory_write(dma_as, addr, desc, sizeof(*desc));
 191 }
 192
 193 static void eth_rx_desc_get(AddressSpace *dma_as, uint32_t addr,
 194                             mv88w8618_rx_desc *desc)
 195 {
 196     dma_memory_read(dma_as, addr, desc, sizeof(*desc));
 197     le32_to_cpus(&desc->cmdstat);
 198     le16_to_cpus(&desc->bytes);
 199     le16_to_cpus(&desc->buffer_size);
 200     le32_to_cpus(&desc->buffer);
 201     le32_to_cpus(&desc->next);
 202 }
 203
 204 static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size)
 205 {
 206     mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
 207     uint32_t desc_addr;
 208     mv88w8618_rx_desc desc;
 209     int i;
 210
 211     for (i = 0; i < 4; i++) {
 212         desc_addr = s->cur_rx[i];
 213         if (!desc_addr) {
 214             continue;
 215         }
 216         do {
 217             eth_rx_desc_get(&s->dma_as, desc_addr, &desc);
 218             if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) {
 219                 dma_memory_write(&s->dma_as, desc.buffer + s->vlan_header,
 220                                           buf, size);
 221                 desc.bytes = size + s->vlan_header;
 222                 desc.cmdstat &= ~MP_ETH_RX_OWN;
 223                 s->cur_rx[i] = desc.next;
 224
 225                 s->icr |= MP_ETH_IRQ_RX;
 226                 if (s->icr & s->imr) {
 227                     qemu_irq_raise(s->irq);
 228                 }
 229                 eth_rx_desc_put(&s->dma_as, desc_addr, &desc);
 230                 return size;
 231             }
 232             desc_addr = desc.next;
 233         } while (desc_addr != s->rx_queue[i]);
 234     }
 235     return size;
 236 }
 237
 238 static void eth_tx_desc_put(AddressSpace *dma_as, uint32_t addr,
 239                             mv88w8618_tx_desc *desc)
 240 {
 241     cpu_to_le32s(&desc->cmdstat);
 242     cpu_to_le16s(&desc->res);
 243     cpu_to_le16s(&desc->bytes);
 244     cpu_to_le32s(&desc->buffer);
 245     cpu_to_le32s(&desc->next);
 246     dma_memory_write(dma_as, addr, desc, sizeof(*desc));
 247 }
 248
 249 static void eth_tx_desc_get(AddressSpace *dma_as, uint32_t addr,
 250                             mv88w8618_tx_desc *desc)
 251 {
 252     dma_memory_read(dma_as, addr, desc, sizeof(*desc));
 253     le32_to_cpus(&desc->cmdstat);
 254     le16_to_cpus(&desc->res);
 255     le16_to_cpus(&desc->bytes);
 256     le32_to_cpus(&desc->buffer);
 257     le32_to_cpus(&desc->next);
 258 }
 259
 260 static void eth_send(mv88w8618_eth_state *s, int queue_index)
 261 {
 262     uint32_t desc_addr = s->tx_queue[queue_index];
 263     mv88w8618_tx_desc desc;
 264     uint32_t next_desc;
 265     uint8_t buf[2048];
 266     int len;
 267
 268     do {
 269         eth_tx_desc_get(&s->dma_as, desc_addr, &desc);
 270         next_desc = desc.next;
 271         if (desc.cmdstat & MP_ETH_TX_OWN) {
 272             len = desc.bytes;
 273             if (len < 2048) {
 274                 dma_memory_read(&s->dma_as, desc.buffer, buf, len);
 275                 qemu_send_packet(qemu_get_queue(s->nic), buf, len);
 276             }
 277             desc.cmdstat &= ~MP_ETH_TX_OWN;
 278             s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index);
 279             eth_tx_desc_put(&s->dma_as, desc_addr, &desc);
 280         }
 281         desc_addr = next_desc;
 282     } while (desc_addr != s->tx_queue[queue_index]);
 283 }
 284
 285 static uint64_t mv88w8618_eth_read(void *opaque, hwaddr offset,
 286                                    unsigned size)
 287 {
 288     mv88w8618_eth_state *s = opaque;
 289
 290     switch (offset) {
 291     case MP_ETH_SMIR:
 292         if (s->smir & MP_ETH_SMIR_OPCODE) {
 293             switch (s->smir & MP_ETH_SMIR_ADDR) {
 294             case MP_ETH_PHY1_BMSR:
 295                 return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG |
 296                        MP_ETH_SMIR_RDVALID;
 297             case MP_ETH_PHY1_PHYSID1:
 298                 return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID;
 299             case MP_ETH_PHY1_PHYSID2:
 300                 return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID;
 301             default:
 302                 return MP_ETH_SMIR_RDVALID;
 303             }
 304         }
 305         return 0;
 306
 307     case MP_ETH_ICR:
 308         return s->icr;
 309
 310     case MP_ETH_IMR:
 311         return s->imr;
 312
 313     case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
 314         return s->frx_queue[(offset - MP_ETH_FRDP0)/4];
 315
 316     case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
 317         return s->rx_queue[(offset - MP_ETH_CRDP0)/4];
 318
 319     case MP_ETH_CTDP0 ... MP_ETH_CTDP1:
 320         return s->tx_queue[(offset - MP_ETH_CTDP0)/4];
 321
 322     default:
 323         return 0;
 324     }
 325 }
 326
 327 static void mv88w8618_eth_write(void *opaque, hwaddr offset,
 328                                 uint64_t value, unsigned size)
 329 {
 330     mv88w8618_eth_state *s = opaque;
 331
 332     switch (offset) {
 333     case MP_ETH_SMIR:
 334         s->smir = value;
 335         break;
 336
 337     case MP_ETH_PCXR:
 338         s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2;
 339         break;
 340
 341     case MP_ETH_SDCMR:
 342         if (value & MP_ETH_CMD_TXHI) {
 343             eth_send(s, 1);
 344         }
 345         if (value & MP_ETH_CMD_TXLO) {
 346             eth_send(s, 0);
 347         }
 348         if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) {
 349             qemu_irq_raise(s->irq);
 350         }
 351         break;
 352
 353     case MP_ETH_ICR:
 354         s->icr &= value;
 355         break;
 356
 357     case MP_ETH_IMR:
 358         s->imr = value;
 359         if (s->icr & s->imr) {
 360             qemu_irq_raise(s->irq);
 361         }
 362         break;
 363
 364     case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
 365         s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value;
 366         break;
 367
 368     case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
 369         s->rx_queue[(offset - MP_ETH_CRDP0)/4] =
 370             s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value;
 371         break;
 372
 373     case MP_ETH_CTDP0 ... MP_ETH_CTDP1:
 374         s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value;
 375         break;
 376     }
 377 }
 378
 379 static const MemoryRegionOps mv88w8618_eth_ops = {
 380     .read = mv88w8618_eth_read,
 381     .write = mv88w8618_eth_write,
 382     .endianness = DEVICE_NATIVE_ENDIAN,
 383 };
 384
 385 static void eth_cleanup(NetClientState *nc)
 386 {
 387     mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
 388
 389     s->nic = NULL;
 390 }
 391
 392 static NetClientInfo net_mv88w8618_info = {
 393     .type = NET_CLIENT_DRIVER_NIC,
 394     .size = sizeof(NICState),
 395     .receive = eth_receive,
 396     .cleanup = eth_cleanup,
 397 };
 398
 399 static void mv88w8618_eth_init(Object *obj)
 400 {
 401     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
 402     DeviceState *dev = DEVICE(sbd);
 403     mv88w8618_eth_state *s = MV88W8618_ETH(dev);
 404
 405     sysbus_init_irq(sbd, &s->irq);
 406     memory_region_init_io(&s->iomem, obj, &mv88w8618_eth_ops, s,
 407                           "mv88w8618-eth", MP_ETH_SIZE);
 408     sysbus_init_mmio(sbd, &s->iomem);
 409 }
 410
 411 static void mv88w8618_eth_realize(DeviceState *dev, Error **errp)
 412 {
 413     mv88w8618_eth_state *s = MV88W8618_ETH(dev);
 414
 415     if (!s->dma_mr) {
 416         error_setg(errp, TYPE_MV88W8618_ETH " 'dma-memory' link not set");
 417         return;
 418     }
 419
 420     address_space_init(&s->dma_as, s->dma_mr, "emac-dma");
 421     s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf,
 422                           object_get_typename(OBJECT(dev)), dev->id, s);
 423 }
 424
 425 static const VMStateDescription mv88w8618_eth_vmsd = {
 426     .name = "mv88w8618_eth",
 427     .version_id = 1,
 428     .minimum_version_id = 1,
 429     .fields = (VMStateField[]) {
 430         VMSTATE_UINT32(smir, mv88w8618_eth_state),
 431         VMSTATE_UINT32(icr, mv88w8618_eth_state),
 432         VMSTATE_UINT32(imr, mv88w8618_eth_state),
 433         VMSTATE_UINT32(vlan_header, mv88w8618_eth_state),
 434         VMSTATE_UINT32_ARRAY(tx_queue, mv88w8618_eth_state, 2),
 435         VMSTATE_UINT32_ARRAY(rx_queue, mv88w8618_eth_state, 4),
 436         VMSTATE_UINT32_ARRAY(frx_queue, mv88w8618_eth_state, 4),
 437         VMSTATE_UINT32_ARRAY(cur_rx, mv88w8618_eth_state, 4),
 438         VMSTATE_END_OF_LIST()
 439     }
 440 };
 441
 442 static Property mv88w8618_eth_properties[] = {
 443     DEFINE_NIC_PROPERTIES(mv88w8618_eth_state, conf),
 444     DEFINE_PROP_LINK("dma-memory", mv88w8618_eth_state, dma_mr,
 445                      TYPE_MEMORY_REGION, MemoryRegion *),
 446     DEFINE_PROP_END_OF_LIST(),
 447 };
 448
 449 static void mv88w8618_eth_class_init(ObjectClass *klass, void *data)
 450 {
 451     DeviceClass *dc = DEVICE_CLASS(klass);
 452
 453     dc->vmsd = &mv88w8618_eth_vmsd;
 454     device_class_set_props(dc, mv88w8618_eth_properties);
 455     dc->realize = mv88w8618_eth_realize;
 456 }
 457
 458 static const TypeInfo mv88w8618_eth_info = {
 459     .name          = TYPE_MV88W8618_ETH,
 460     .parent        = TYPE_SYS_BUS_DEVICE,
 461     .instance_size = sizeof(mv88w8618_eth_state),
 462     .instance_init = mv88w8618_eth_init,
 463     .class_init    = mv88w8618_eth_class_init,
 464 };
 465
 466 /* LCD register offsets */
 467 #define MP_LCD_IRQCTRL          0x180
 468 #define MP_LCD_IRQSTAT          0x184
 469 #define MP_LCD_SPICTRL          0x1ac
 470 #define MP_LCD_INST             0x1bc
 471 #define MP_LCD_DATA             0x1c0
 472
 473 /* Mode magics */
 474 #define MP_LCD_SPI_DATA         0x00100011
 475 #define MP_LCD_SPI_CMD          0x00104011
 476 #define MP_LCD_SPI_INVALID      0x00000000
 477
 478 /* Commmands */
 479 #define MP_LCD_INST_SETPAGE0    0xB0
 480 /* ... */
 481 #define MP_LCD_INST_SETPAGE7    0xB7
 482
 483 #define MP_LCD_TEXTCOLOR        0xe0e0ff /* RRGGBB */
 484
 485 #define TYPE_MUSICPAL_LCD "musicpal_lcd"
 486 OBJECT_DECLARE_SIMPLE_TYPE(musicpal_lcd_state, MUSICPAL_LCD)
 487
 488 struct musicpal_lcd_state {
 489     /*< private >*/
 490     SysBusDevice parent_obj;
 491     /*< public >*/
 492
 493     MemoryRegion iomem;
 494     uint32_t brightness;
 495     uint32_t mode;
 496     uint32_t irqctrl;
 497     uint32_t page;
 498     uint32_t page_off;
 499     QemuConsole *con;
 500     uint8_t video_ram[128*64/8];
 501 };
 502
 503 static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col)
 504 {
 505     switch (s->brightness) {
 506     case 7:
 507         return col;
 508     case 0:
 509         return 0;
 510     default:
 511         return (col * s->brightness) / 7;
 512     }
 513 }
 514
 515 #define SET_LCD_PIXEL(depth, type) \
 516 static inline void glue(set_lcd_pixel, depth) \
 517         (musicpal_lcd_state *s, int x, int y, type col) \
 518 { \
 519     int dx, dy; \
 520     DisplaySurface *surface = qemu_console_surface(s->con); \
 521     type *pixel = &((type *) surface_data(surface))[(y * 128 * 3 + x) * 3]; \
 522 \
 523     for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \
 524         for (dx = 0; dx < 3; dx++, pixel++) \
 525             *pixel = col; \
 526 }
 527 SET_LCD_PIXEL(8, uint8_t)
 528 SET_LCD_PIXEL(16, uint16_t)
 529 SET_LCD_PIXEL(32, uint32_t)
 530
 531 static void lcd_refresh(void *opaque)
 532 {
 533     musicpal_lcd_state *s = opaque;
 534     DisplaySurface *surface = qemu_console_surface(s->con);
 535     int x, y, col;
 536
 537     switch (surface_bits_per_pixel(surface)) {
 538     case 0:
 539         return;
 540 #define LCD_REFRESH(depth, func) \
 541     case depth: \
 542         col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \
 543                    scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \
 544                    scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \
 545         for (x = 0; x < 128; x++) { \
 546             for (y = 0; y < 64; y++) { \
 547                 if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \
 548                     glue(set_lcd_pixel, depth)(s, x, y, col); \
 549                 } else { \
 550                     glue(set_lcd_pixel, depth)(s, x, y, 0); \
 551                 } \
 552             } \
 553         } \
 554         break;
 555     LCD_REFRESH(8, rgb_to_pixel8)
 556     LCD_REFRESH(16, rgb_to_pixel16)
 557     LCD_REFRESH(32, (is_surface_bgr(surface) ?
 558                      rgb_to_pixel32bgr : rgb_to_pixel32))
 559     default:
 560         hw_error("unsupported colour depth %i\n",
 561                  surface_bits_per_pixel(surface));
 562     }
 563
 564     dpy_gfx_update(s->con, 0, 0, 128*3, 64*3);
 565 }
 566
 567 static void lcd_invalidate(void *opaque)
 568 {
 569 }
 570
 571 static void musicpal_lcd_gpio_brightness_in(void *opaque, int irq, int level)
 572 {
 573     musicpal_lcd_state *s = opaque;
 574     s->brightness &= ~(1 << irq);
 575     s->brightness |= level << irq;
 576 }
 577
 578 static uint64_t musicpal_lcd_read(void *opaque, hwaddr offset,
 579                                   unsigned size)
 580 {
 581     musicpal_lcd_state *s = opaque;
 582
 583     switch (offset) {
 584     case MP_LCD_IRQCTRL:
 585         return s->irqctrl;
 586
 587     default:
 588         return 0;
 589     }
 590 }
 591
 592 static void musicpal_lcd_write(void *opaque, hwaddr offset,
 593                                uint64_t value, unsigned size)
 594 {
 595     musicpal_lcd_state *s = opaque;
 596
 597     switch (offset) {
 598     case MP_LCD_IRQCTRL:
 599         s->irqctrl = value;
 600         break;
 601
 602     case MP_LCD_SPICTRL:
 603         if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) {
 604             s->mode = value;
 605         } else {
 606             s->mode = MP_LCD_SPI_INVALID;
 607         }
 608         break;
 609
 610     case MP_LCD_INST:
 611         if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) {
 612             s->page = value - MP_LCD_INST_SETPAGE0;
 613             s->page_off = 0;
 614         }
 615         break;
 616
 617     case MP_LCD_DATA:
 618         if (s->mode == MP_LCD_SPI_CMD) {
 619             if (value >= MP_LCD_INST_SETPAGE0 &&
 620                 value <= MP_LCD_INST_SETPAGE7) {
 621                 s->page = value - MP_LCD_INST_SETPAGE0;
 622                 s->page_off = 0;
 623             }
 624         } else if (s->mode == MP_LCD_SPI_DATA) {
 625             s->video_ram[s->page*128 + s->page_off] = value;
 626             s->page_off = (s->page_off + 1) & 127;
 627         }
 628         break;
 629     }
 630 }
 631
 632 static const MemoryRegionOps musicpal_lcd_ops = {
 633     .read = musicpal_lcd_read,
 634     .write = musicpal_lcd_write,
 635     .endianness = DEVICE_NATIVE_ENDIAN,
 636 };
 637
 638 static const GraphicHwOps musicpal_gfx_ops = {
 639     .invalidate  = lcd_invalidate,
 640     .gfx_update  = lcd_refresh,
 641 };
 642
 643 static void musicpal_lcd_realize(DeviceState *dev, Error **errp)
 644 {
 645     musicpal_lcd_state *s = MUSICPAL_LCD(dev);
 646     s->con = graphic_console_init(dev, 0, &musicpal_gfx_ops, s);
 647     qemu_console_resize(s->con, 128 * 3, 64 * 3);
 648 }
 649
 650 static void musicpal_lcd_init(Object *obj)
 651 {
 652     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
 653     DeviceState *dev = DEVICE(sbd);
 654     musicpal_lcd_state *s = MUSICPAL_LCD(dev);
 655
 656     s->brightness = 7;
 657
 658     memory_region_init_io(&s->iomem, obj, &musicpal_lcd_ops, s,
 659                           "musicpal-lcd", MP_LCD_SIZE);
 660     sysbus_init_mmio(sbd, &s->iomem);
 661
 662     qdev_init_gpio_in(dev, musicpal_lcd_gpio_brightness_in, 3);
 663 }
 664
 665 static const VMStateDescription musicpal_lcd_vmsd = {
 666     .name = "musicpal_lcd",
 667     .version_id = 1,
 668     .minimum_version_id = 1,
 669     .fields = (VMStateField[]) {
 670         VMSTATE_UINT32(brightness, musicpal_lcd_state),
 671         VMSTATE_UINT32(mode, musicpal_lcd_state),
 672         VMSTATE_UINT32(irqctrl, musicpal_lcd_state),
 673         VMSTATE_UINT32(page, musicpal_lcd_state),
 674         VMSTATE_UINT32(page_off, musicpal_lcd_state),
 675         VMSTATE_BUFFER(video_ram, musicpal_lcd_state),
 676         VMSTATE_END_OF_LIST()
 677     }
 678 };
 679
 680 static void musicpal_lcd_class_init(ObjectClass *klass, void *data)
 681 {
 682     DeviceClass *dc = DEVICE_CLASS(klass);
 683
 684     dc->vmsd = &musicpal_lcd_vmsd;
 685     dc->realize = musicpal_lcd_realize;
 686 }
 687
 688 static const TypeInfo musicpal_lcd_info = {
 689     .name          = TYPE_MUSICPAL_LCD,
 690     .parent        = TYPE_SYS_BUS_DEVICE,
 691     .instance_size = sizeof(musicpal_lcd_state),
 692     .instance_init = musicpal_lcd_init,
 693     .class_init    = musicpal_lcd_class_init,
 694 };
 695
 696 /* PIC register offsets */
 697 #define MP_PIC_STATUS           0x00
 698 #define MP_PIC_ENABLE_SET       0x08
 699 #define MP_PIC_ENABLE_CLR       0x0C
 700
 701 #define TYPE_MV88W8618_PIC "mv88w8618_pic"
 702 OBJECT_DECLARE_SIMPLE_TYPE(mv88w8618_pic_state, MV88W8618_PIC)
 703
 704 struct mv88w8618_pic_state {
 705     /*< private >*/
 706     SysBusDevice parent_obj;
 707     /*< public >*/
 708
 709     MemoryRegion iomem;
 710     uint32_t level;
 711     uint32_t enabled;
 712     qemu_irq parent_irq;
 713 };
 714
 715 static void mv88w8618_pic_update(mv88w8618_pic_state *s)
 716 {
 717     qemu_set_irq(s->parent_irq, (s->level & s->enabled));
 718 }
 719
 720 static void mv88w8618_pic_set_irq(void *opaque, int irq, int level)
 721 {
 722     mv88w8618_pic_state *s = opaque;
 723
 724     if (level) {
 725         s->level |= 1 << irq;
 726     } else {
 727         s->level &= ~(1 << irq);
 728     }
 729     mv88w8618_pic_update(s);
 730 }
 731
 732 static uint64_t mv88w8618_pic_read(void *opaque, hwaddr offset,
 733                                    unsigned size)
 734 {
 735     mv88w8618_pic_state *s = opaque;
 736
 737     switch (offset) {
 738     case MP_PIC_STATUS:
 739         return s->level & s->enabled;
 740
 741     default:
 742         return 0;
 743     }
 744 }
 745
 746 static void mv88w8618_pic_write(void *opaque, hwaddr offset,
 747                                 uint64_t value, unsigned size)
 748 {
 749     mv88w8618_pic_state *s = opaque;
 750
 751     switch (offset) {
 752     case MP_PIC_ENABLE_SET:
 753         s->enabled |= value;
 754         break;
 755
 756     case MP_PIC_ENABLE_CLR:
 757         s->enabled &= ~value;
 758         s->level &= ~value;
 759         break;
 760     }
 761     mv88w8618_pic_update(s);
 762 }
 763
 764 static void mv88w8618_pic_reset(DeviceState *d)
 765 {
 766     mv88w8618_pic_state *s = MV88W8618_PIC(d);
 767
 768     s->level = 0;
 769     s->enabled = 0;
 770 }
 771
 772 static const MemoryRegionOps mv88w8618_pic_ops = {
 773     .read = mv88w8618_pic_read,
 774     .write = mv88w8618_pic_write,
 775     .endianness = DEVICE_NATIVE_ENDIAN,
 776 };
 777
 778 static void mv88w8618_pic_init(Object *obj)
 779 {
 780     SysBusDevice *dev = SYS_BUS_DEVICE(obj);
 781     mv88w8618_pic_state *s = MV88W8618_PIC(dev);
 782
 783     qdev_init_gpio_in(DEVICE(dev), mv88w8618_pic_set_irq, 32);
 784     sysbus_init_irq(dev, &s->parent_irq);
 785     memory_region_init_io(&s->iomem, obj, &mv88w8618_pic_ops, s,
 786                           "musicpal-pic", MP_PIC_SIZE);
 787     sysbus_init_mmio(dev, &s->iomem);
 788 }
 789
 790 static const VMStateDescription mv88w8618_pic_vmsd = {
 791     .name = "mv88w8618_pic",
 792     .version_id = 1,
 793     .minimum_version_id = 1,
 794     .fields = (VMStateField[]) {
 795         VMSTATE_UINT32(level, mv88w8618_pic_state),
 796         VMSTATE_UINT32(enabled, mv88w8618_pic_state),
 797         VMSTATE_END_OF_LIST()
 798     }
 799 };
 800
 801 static void mv88w8618_pic_class_init(ObjectClass *klass, void *data)
 802 {
 803     DeviceClass *dc = DEVICE_CLASS(klass);
 804
 805     dc->reset = mv88w8618_pic_reset;
 806     dc->vmsd = &mv88w8618_pic_vmsd;
 807 }
 808
 809 static const TypeInfo mv88w8618_pic_info = {
 810     .name          = TYPE_MV88W8618_PIC,
 811     .parent        = TYPE_SYS_BUS_DEVICE,
 812     .instance_size = sizeof(mv88w8618_pic_state),
 813     .instance_init = mv88w8618_pic_init,
 814     .class_init    = mv88w8618_pic_class_init,
 815 };
 816
 817 /* PIT register offsets */
 818 #define MP_PIT_TIMER1_LENGTH    0x00
 819 /* ... */
 820 #define MP_PIT_TIMER4_LENGTH    0x0C
 821 #define MP_PIT_CONTROL          0x10
 822 #define MP_PIT_TIMER1_VALUE     0x14
 823 /* ... */
 824 #define MP_PIT_TIMER4_VALUE     0x20
 825 #define MP_BOARD_RESET          0x34
 826
 827 /* Magic board reset value (probably some watchdog behind it) */
 828 #define MP_BOARD_RESET_MAGIC    0x10000
 829
 830 typedef struct mv88w8618_timer_state {
 831     ptimer_state *ptimer;
 832     uint32_t limit;
 833     int freq;
 834     qemu_irq irq;
 835 } mv88w8618_timer_state;
 836
 837 #define TYPE_MV88W8618_PIT "mv88w8618_pit"
 838 OBJECT_DECLARE_SIMPLE_TYPE(mv88w8618_pit_state, MV88W8618_PIT)
 839
 840 struct mv88w8618_pit_state {
 841     /*< private >*/
 842     SysBusDevice parent_obj;
 843     /*< public >*/
 844
 845     MemoryRegion iomem;
 846     mv88w8618_timer_state timer[4];
 847 };
 848
 849 static void mv88w8618_timer_tick(void *opaque)
 850 {
 851     mv88w8618_timer_state *s = opaque;
 852
 853     qemu_irq_raise(s->irq);
 854 }
 855
 856 static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s,
 857                                  uint32_t freq)
 858 {
 859     sysbus_init_irq(dev, &s->irq);
 860     s->freq = freq;
 861
 862     s->ptimer = ptimer_init(mv88w8618_timer_tick, s, PTIMER_POLICY_DEFAULT);
 863 }
 864
 865 static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset,
 866                                    unsigned size)
 867 {
 868     mv88w8618_pit_state *s = opaque;
 869     mv88w8618_timer_state *t;
 870
 871     switch (offset) {
 872     case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE:
 873         t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2];
 874         return ptimer_get_count(t->ptimer);
 875
 876     default:
 877         return 0;
 878     }
 879 }
 880
 881 static void mv88w8618_pit_write(void *opaque, hwaddr offset,
 882                                 uint64_t value, unsigned size)
 883 {
 884     mv88w8618_pit_state *s = opaque;
 885     mv88w8618_timer_state *t;
 886     int i;
 887
 888     switch (offset) {
 889     case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH:
 890         t = &s->timer[offset >> 2];
 891         t->limit = value;
 892         ptimer_transaction_begin(t->ptimer);
 893         if (t->limit > 0) {
 894             ptimer_set_limit(t->ptimer, t->limit, 1);
 895         } else {
 896             ptimer_stop(t->ptimer);
 897         }
 898         ptimer_transaction_commit(t->ptimer);
 899         break;
 900
 901     case MP_PIT_CONTROL:
 902         for (i = 0; i < 4; i++) {
 903             t = &s->timer[i];
 904             ptimer_transaction_begin(t->ptimer);
 905             if (value & 0xf && t->limit > 0) {
 906                 ptimer_set_limit(t->ptimer, t->limit, 0);
 907                 ptimer_set_freq(t->ptimer, t->freq);
 908                 ptimer_run(t->ptimer, 0);
 909             } else {
 910                 ptimer_stop(t->ptimer);
 911             }
 912             ptimer_transaction_commit(t->ptimer);
 913             value >>= 4;
 914         }
 915         break;
 916
 917     case MP_BOARD_RESET:
 918         if (value == MP_BOARD_RESET_MAGIC) {
 919             qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
 920         }
 921         break;
 922     }
 923 }
 924
 925 static void mv88w8618_pit_reset(DeviceState *d)
 926 {
 927     mv88w8618_pit_state *s = MV88W8618_PIT(d);
 928     int i;
 929
 930     for (i = 0; i < 4; i++) {
 931         mv88w8618_timer_state *t = &s->timer[i];
 932         ptimer_transaction_begin(t->ptimer);
 933         ptimer_stop(t->ptimer);
 934         ptimer_transaction_commit(t->ptimer);
 935         t->limit = 0;
 936     }
 937 }
 938
 939 static const MemoryRegionOps mv88w8618_pit_ops = {
 940     .read = mv88w8618_pit_read,
 941     .write = mv88w8618_pit_write,
 942     .endianness = DEVICE_NATIVE_ENDIAN,
 943 };
 944
 945 static void mv88w8618_pit_init(Object *obj)
 946 {
 947     SysBusDevice *dev = SYS_BUS_DEVICE(obj);
 948     mv88w8618_pit_state *s = MV88W8618_PIT(dev);
 949     int i;
 950
 951     /* Letting them all run at 1 MHz is likely just a pragmatic
 952      * simplification. */
 953     for (i = 0; i < 4; i++) {
 954         mv88w8618_timer_init(dev, &s->timer[i], 1000000);
 955     }
 956
 957     memory_region_init_io(&s->iomem, obj, &mv88w8618_pit_ops, s,
 958                           "musicpal-pit", MP_PIT_SIZE);
 959     sysbus_init_mmio(dev, &s->iomem);
 960 }
 961
 962 static const VMStateDescription mv88w8618_timer_vmsd = {
 963     .name = "timer",
 964     .version_id = 1,
 965     .minimum_version_id = 1,
 966     .fields = (VMStateField[]) {
 967         VMSTATE_PTIMER(ptimer, mv88w8618_timer_state),
 968         VMSTATE_UINT32(limit, mv88w8618_timer_state),
 969         VMSTATE_END_OF_LIST()
 970     }
 971 };
 972
 973 static const VMStateDescription mv88w8618_pit_vmsd = {
 974     .name = "mv88w8618_pit",
 975     .version_id = 1,
 976     .minimum_version_id = 1,
 977     .fields = (VMStateField[]) {
 978         VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1,
 979                              mv88w8618_timer_vmsd, mv88w8618_timer_state),
 980         VMSTATE_END_OF_LIST()
 981     }
 982 };
 983
 984 static void mv88w8618_pit_class_init(ObjectClass *klass, void *data)
 985 {
 986     DeviceClass *dc = DEVICE_CLASS(klass);
 987
 988     dc->reset = mv88w8618_pit_reset;
 989     dc->vmsd = &mv88w8618_pit_vmsd;
 990 }
 991
 992 static const TypeInfo mv88w8618_pit_info = {
 993     .name          = TYPE_MV88W8618_PIT,
 994     .parent        = TYPE_SYS_BUS_DEVICE,
 995     .instance_size = sizeof(mv88w8618_pit_state),
 996     .instance_init = mv88w8618_pit_init,
 997     .class_init    = mv88w8618_pit_class_init,
 998 };
 999
1000 /* Flash config register offsets */
1001 #define MP_FLASHCFG_CFGR0    0x04
1002
1003 #define TYPE_MV88W8618_FLASHCFG "mv88w8618_flashcfg"
1004 OBJECT_DECLARE_SIMPLE_TYPE(mv88w8618_flashcfg_state, MV88W8618_FLASHCFG)
1005
1006 struct mv88w8618_flashcfg_state {
1007     /*< private >*/
1008     SysBusDevice parent_obj;
1009     /*< public >*/
1010
1011     MemoryRegion iomem;
1012     uint32_t cfgr0;
1013 };
1014
1015 static uint64_t mv88w8618_flashcfg_read(void *opaque,
1016                                         hwaddr offset,
1017                                         unsigned size)
1018 {
1019     mv88w8618_flashcfg_state *s = opaque;
1020
1021     switch (offset) {
1022     case MP_FLASHCFG_CFGR0:
1023         return s->cfgr0;
1024
1025     default:
1026         return 0;
1027     }
1028 }
1029
1030 static void mv88w8618_flashcfg_write(void *opaque, hwaddr offset,
1031                                      uint64_t value, unsigned size)
1032 {
1033     mv88w8618_flashcfg_state *s = opaque;
1034
1035     switch (offset) {
1036     case MP_FLASHCFG_CFGR0:
1037         s->cfgr0 = value;
1038         break;
1039     }
1040 }
1041
1042 static const MemoryRegionOps mv88w8618_flashcfg_ops = {
1043     .read = mv88w8618_flashcfg_read,
1044     .write = mv88w8618_flashcfg_write,
1045     .endianness = DEVICE_NATIVE_ENDIAN,
1046 };
1047
1048 static void mv88w8618_flashcfg_init(Object *obj)
1049 {
1050     SysBusDevice *dev = SYS_BUS_DEVICE(obj);
1051     mv88w8618_flashcfg_state *s = MV88W8618_FLASHCFG(dev);
1052
1053     s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */
1054     memory_region_init_io(&s->iomem, obj, &mv88w8618_flashcfg_ops, s,
1055                           "musicpal-flashcfg", MP_FLASHCFG_SIZE);
1056     sysbus_init_mmio(dev, &s->iomem);
1057 }
1058
1059 static const VMStateDescription mv88w8618_flashcfg_vmsd = {
1060     .name = "mv88w8618_flashcfg",
1061     .version_id = 1,
1062     .minimum_version_id = 1,
1063     .fields = (VMStateField[]) {
1064         VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state),
1065         VMSTATE_END_OF_LIST()
1066     }
1067 };
1068
1069 static void mv88w8618_flashcfg_class_init(ObjectClass *klass, void *data)
1070 {
1071     DeviceClass *dc = DEVICE_CLASS(klass);
1072
1073     dc->vmsd = &mv88w8618_flashcfg_vmsd;
1074 }
1075
1076 static const TypeInfo mv88w8618_flashcfg_info = {
1077     .name          = TYPE_MV88W8618_FLASHCFG,
1078     .parent        = TYPE_SYS_BUS_DEVICE,
1079     .instance_size = sizeof(mv88w8618_flashcfg_state),
1080     .instance_init = mv88w8618_flashcfg_init,
1081     .class_init    = mv88w8618_flashcfg_class_init,
1082 };
1083
1084 /* Misc register offsets */
1085 #define MP_MISC_BOARD_REVISION  0x18
1086
1087 #define MP_BOARD_REVISION       0x31
1088
1089 struct MusicPalMiscState {
1090     SysBusDevice parent_obj;
1091     MemoryRegion iomem;
1092 };
1093
1094 #define TYPE_MUSICPAL_MISC "musicpal-misc"
1095 OBJECT_DECLARE_SIMPLE_TYPE(MusicPalMiscState, MUSICPAL_MISC)
1096
1097 static uint64_t musicpal_misc_read(void *opaque, hwaddr offset,
1098                                    unsigned size)
1099 {
1100     switch (offset) {
1101     case MP_MISC_BOARD_REVISION:
1102         return MP_BOARD_REVISION;
1103
1104     default:
1105         return 0;
1106     }
1107 }
1108
1109 static void musicpal_misc_write(void *opaque, hwaddr offset,
1110                                 uint64_t value, unsigned size)
1111 {
1112 }
1113
1114 static const MemoryRegionOps musicpal_misc_ops = {
1115     .read = musicpal_misc_read,
1116     .write = musicpal_misc_write,
1117     .endianness = DEVICE_NATIVE_ENDIAN,
1118 };
1119
1120 static void musicpal_misc_init(Object *obj)
1121 {
1122     SysBusDevice *sd = SYS_BUS_DEVICE(obj);
1123     MusicPalMiscState *s = MUSICPAL_MISC(obj);
1124
1125     memory_region_init_io(&s->iomem, OBJECT(s), &musicpal_misc_ops, NULL,
1126                           "musicpal-misc", MP_MISC_SIZE);
1127     sysbus_init_mmio(sd, &s->iomem);
1128 }
1129
1130 static const TypeInfo musicpal_misc_info = {
1131     .name = TYPE_MUSICPAL_MISC,
1132     .parent = TYPE_SYS_BUS_DEVICE,
1133     .instance_init = musicpal_misc_init,
1134     .instance_size = sizeof(MusicPalMiscState),
1135 };
1136
1137 /* WLAN register offsets */
1138 #define MP_WLAN_MAGIC1          0x11c
1139 #define MP_WLAN_MAGIC2          0x124
1140
1141 static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset,
1142                                     unsigned size)
1143 {
1144     switch (offset) {
1145     /* Workaround to allow loading the binary-only wlandrv.ko crap
1146      * from the original Freecom firmware. */
1147     case MP_WLAN_MAGIC1:
1148         return ~3;
1149     case MP_WLAN_MAGIC2:
1150         return -1;
1151
1152     default:
1153         return 0;
1154     }
1155 }
1156
1157 static void mv88w8618_wlan_write(void *opaque, hwaddr offset,
1158                                  uint64_t value, unsigned size)
1159 {
1160 }
1161
1162 static const MemoryRegionOps mv88w8618_wlan_ops = {
1163     .read = mv88w8618_wlan_read,
1164     .write =mv88w8618_wlan_write,
1165     .endianness = DEVICE_NATIVE_ENDIAN,
1166 };
1167
1168 static void mv88w8618_wlan_realize(DeviceState *dev, Error **errp)
1169 {
1170     MemoryRegion *iomem = g_new(MemoryRegion, 1);
1171
1172     memory_region_init_io(iomem, OBJECT(dev), &mv88w8618_wlan_ops, NULL,
1173                           "musicpal-wlan", MP_WLAN_SIZE);
1174     sysbus_init_mmio(SYS_BUS_DEVICE(dev), iomem);
1175 }
1176
1177 /* GPIO register offsets */
1178 #define MP_GPIO_OE_LO           0x008
1179 #define MP_GPIO_OUT_LO          0x00c
1180 #define MP_GPIO_IN_LO           0x010
1181 #define MP_GPIO_IER_LO          0x014
1182 #define MP_GPIO_IMR_LO          0x018
1183 #define MP_GPIO_ISR_LO          0x020
1184 #define MP_GPIO_OE_HI           0x508
1185 #define MP_GPIO_OUT_HI          0x50c
1186 #define MP_GPIO_IN_HI           0x510
1187 #define MP_GPIO_IER_HI          0x514
1188 #define MP_GPIO_IMR_HI          0x518
1189 #define MP_GPIO_ISR_HI          0x520
1190
1191 /* GPIO bits & masks */
1192 #define MP_GPIO_LCD_BRIGHTNESS  0x00070000
1193 #define MP_GPIO_I2C_DATA_BIT    29
1194 #define MP_GPIO_I2C_CLOCK_BIT   30
1195
1196 /* LCD brightness bits in GPIO_OE_HI */
1197 #define MP_OE_LCD_BRIGHTNESS    0x0007
1198
1199 #define TYPE_MUSICPAL_GPIO "musicpal_gpio"
1200 OBJECT_DECLARE_SIMPLE_TYPE(musicpal_gpio_state, MUSICPAL_GPIO)
1201
1202 struct musicpal_gpio_state {
1203     /*< private >*/
1204     SysBusDevice parent_obj;
1205     /*< public >*/
1206
1207     MemoryRegion iomem;
1208     uint32_t lcd_brightness;
1209     uint32_t out_state;
1210     uint32_t in_state;
1211     uint32_t ier;
1212     uint32_t imr;
1213     uint32_t isr;
1214     qemu_irq irq;
1215     qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */
1216 };
1217
1218 static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) {
1219     int i;
1220     uint32_t brightness;
1221
1222     /* compute brightness ratio */
1223     switch (s->lcd_brightness) {
1224     case 0x00000007:
1225         brightness = 0;
1226         break;
1227
1228     case 0x00020000:
1229         brightness = 1;
1230         break;
1231
1232     case 0x00020001:
1233         brightness = 2;
1234         break;
1235
1236     case 0x00040000:
1237         brightness = 3;
1238         break;
1239
1240     case 0x00010006:
1241         brightness = 4;
1242         break;
1243
1244     case 0x00020005:
1245         brightness = 5;
1246         break;
1247
1248     case 0x00040003:
1249         brightness = 6;
1250         break;
1251
1252     case 0x00030004:
1253     default:
1254         brightness = 7;
1255     }
1256
1257     /* set lcd brightness GPIOs  */
1258     for (i = 0; i <= 2; i++) {
1259         qemu_set_irq(s->out[i], (brightness >> i) & 1);
1260     }
1261 }
1262
1263 static void musicpal_gpio_pin_event(void *opaque, int pin, int level)
1264 {
1265     musicpal_gpio_state *s = opaque;
1266     uint32_t mask = 1 << pin;
1267     uint32_t delta = level << pin;
1268     uint32_t old = s->in_state & mask;
1269
1270     s->in_state &= ~mask;
1271     s->in_state |= delta;
1272
1273     if ((old ^ delta) &&
1274         ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) {
1275         s->isr = mask;
1276         qemu_irq_raise(s->irq);
1277     }
1278 }
1279
1280 static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset,
1281                                    unsigned size)
1282 {
1283     musicpal_gpio_state *s = opaque;
1284
1285     switch (offset) {
1286     case MP_GPIO_OE_HI: /* used for LCD brightness control */
1287         return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS;
1288
1289     case MP_GPIO_OUT_LO:
1290         return s->out_state & 0xFFFF;
1291     case MP_GPIO_OUT_HI:
1292         return s->out_state >> 16;
1293
1294     case MP_GPIO_IN_LO:
1295         return s->in_state & 0xFFFF;
1296     case MP_GPIO_IN_HI:
1297         return s->in_state >> 16;
1298
1299     case MP_GPIO_IER_LO:
1300         return s->ier & 0xFFFF;
1301     case MP_GPIO_IER_HI:
1302         return s->ier >> 16;
1303
1304     case MP_GPIO_IMR_LO:
1305         return s->imr & 0xFFFF;
1306     case MP_GPIO_IMR_HI:
1307         return s->imr >> 16;
1308
1309     case MP_GPIO_ISR_LO:
1310         return s->isr & 0xFFFF;
1311     case MP_GPIO_ISR_HI:
1312         return s->isr >> 16;
1313
1314     default:
1315         return 0;
1316     }
1317 }
1318
1319 static void musicpal_gpio_write(void *opaque, hwaddr offset,
1320                                 uint64_t value, unsigned size)
1321 {
1322     musicpal_gpio_state *s = opaque;
1323     switch (offset) {
1324     case MP_GPIO_OE_HI: /* used for LCD brightness control */
1325         s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) |
1326                          (value & MP_OE_LCD_BRIGHTNESS);
1327         musicpal_gpio_brightness_update(s);
1328         break;
1329
1330     case MP_GPIO_OUT_LO:
1331         s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF);
1332         break;
1333     case MP_GPIO_OUT_HI:
1334         s->out_state = (s->out_state & 0xFFFF) | (value << 16);
1335         s->lcd_brightness = (s->lcd_brightness & 0xFFFF) |
1336                             (s->out_state & MP_GPIO_LCD_BRIGHTNESS);
1337         musicpal_gpio_brightness_update(s);
1338         qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1);
1339         qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1);
1340         break;
1341
1342     case MP_GPIO_IER_LO:
1343         s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF);
1344         break;
1345     case MP_GPIO_IER_HI:
1346         s->ier = (s->ier & 0xFFFF) | (value << 16);
1347         break;
1348
1349     case MP_GPIO_IMR_LO:
1350         s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF);
1351         break;
1352     case MP_GPIO_IMR_HI:
1353         s->imr = (s->imr & 0xFFFF) | (value << 16);
1354         break;
1355     }
1356 }
1357
1358 static const MemoryRegionOps musicpal_gpio_ops = {
1359     .read = musicpal_gpio_read,
1360     .write = musicpal_gpio_write,
1361     .endianness = DEVICE_NATIVE_ENDIAN,
1362 };
1363
1364 static void musicpal_gpio_reset(DeviceState *d)
1365 {
1366     musicpal_gpio_state *s = MUSICPAL_GPIO(d);
1367
1368     s->lcd_brightness = 0;
1369     s->out_state = 0;
1370     s->in_state = 0xffffffff;
1371     s->ier = 0;
1372     s->imr = 0;
1373     s->isr = 0;
1374 }
1375
1376 static void musicpal_gpio_init(Object *obj)
1377 {
1378     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1379     DeviceState *dev = DEVICE(sbd);
1380     musicpal_gpio_state *s = MUSICPAL_GPIO(dev);
1381
1382     sysbus_init_irq(sbd, &s->irq);
1383
1384     memory_region_init_io(&s->iomem, obj, &musicpal_gpio_ops, s,
1385                           "musicpal-gpio", MP_GPIO_SIZE);
1386     sysbus_init_mmio(sbd, &s->iomem);
1387
1388     qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out));
1389
1390     qdev_init_gpio_in(dev, musicpal_gpio_pin_event, 32);
1391 }
1392
1393 static const VMStateDescription musicpal_gpio_vmsd = {
1394     .name = "musicpal_gpio",
1395     .version_id = 1,
1396     .minimum_version_id = 1,
1397     .fields = (VMStateField[]) {
1398         VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state),
1399         VMSTATE_UINT32(out_state, musicpal_gpio_state),
1400         VMSTATE_UINT32(in_state, musicpal_gpio_state),
1401         VMSTATE_UINT32(ier, musicpal_gpio_state),
1402         VMSTATE_UINT32(imr, musicpal_gpio_state),
1403         VMSTATE_UINT32(isr, musicpal_gpio_state),
1404         VMSTATE_END_OF_LIST()
1405     }
1406 };
1407
1408 static void musicpal_gpio_class_init(ObjectClass *klass, void *data)
1409 {
1410     DeviceClass *dc = DEVICE_CLASS(klass);
1411
1412     dc->reset = musicpal_gpio_reset;
1413     dc->vmsd = &musicpal_gpio_vmsd;
1414 }
1415
1416 static const TypeInfo musicpal_gpio_info = {
1417     .name          = TYPE_MUSICPAL_GPIO,
1418     .parent        = TYPE_SYS_BUS_DEVICE,
1419     .instance_size = sizeof(musicpal_gpio_state),
1420     .instance_init = musicpal_gpio_init,
1421     .class_init    = musicpal_gpio_class_init,
1422 };
1423
1424 /* Keyboard codes & masks */
1425 #define KEY_RELEASED            0x80
1426 #define KEY_CODE                0x7f
1427
1428 #define KEYCODE_TAB             0x0f
1429 #define KEYCODE_ENTER           0x1c
1430 #define KEYCODE_F               0x21
1431 #define KEYCODE_M               0x32
1432
1433 #define KEYCODE_EXTENDED        0xe0
1434 #define KEYCODE_UP              0x48
1435 #define KEYCODE_DOWN            0x50
1436 #define KEYCODE_LEFT            0x4b
1437 #define KEYCODE_RIGHT           0x4d
1438
1439 #define MP_KEY_WHEEL_VOL       (1 << 0)
1440 #define MP_KEY_WHEEL_VOL_INV   (1 << 1)
1441 #define MP_KEY_WHEEL_NAV       (1 << 2)
1442 #define MP_KEY_WHEEL_NAV_INV   (1 << 3)
1443 #define MP_KEY_BTN_FAVORITS    (1 << 4)
1444 #define MP_KEY_BTN_MENU        (1 << 5)
1445 #define MP_KEY_BTN_VOLUME      (1 << 6)
1446 #define MP_KEY_BTN_NAVIGATION  (1 << 7)
1447
1448 #define TYPE_MUSICPAL_KEY "musicpal_key"
1449 OBJECT_DECLARE_SIMPLE_TYPE(musicpal_key_state, MUSICPAL_KEY)
1450
1451 struct musicpal_key_state {
1452     /*< private >*/
1453     SysBusDevice parent_obj;
1454     /*< public >*/
1455
1456     MemoryRegion iomem;
1457     uint32_t kbd_extended;
1458     uint32_t pressed_keys;
1459     qemu_irq out[8];
1460 };
1461
1462 static void musicpal_key_event(void *opaque, int keycode)
1463 {
1464     musicpal_key_state *s = opaque;
1465     uint32_t event = 0;
1466     int i;
1467
1468     if (keycode == KEYCODE_EXTENDED) {
1469         s->kbd_extended = 1;
1470         return;
1471     }
1472
1473     if (s->kbd_extended) {
1474         switch (keycode & KEY_CODE) {
1475         case KEYCODE_UP:
1476             event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV;
1477             break;
1478
1479         case KEYCODE_DOWN:
1480             event = MP_KEY_WHEEL_NAV;
1481             break;
1482
1483         case KEYCODE_LEFT:
1484             event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV;
1485             break;
1486
1487         case KEYCODE_RIGHT:
1488             event = MP_KEY_WHEEL_VOL;
1489             break;
1490         }
1491     } else {
1492         switch (keycode & KEY_CODE) {
1493         case KEYCODE_F:
1494             event = MP_KEY_BTN_FAVORITS;
1495             break;
1496
1497         case KEYCODE_TAB:
1498             event = MP_KEY_BTN_VOLUME;
1499             break;
1500
1501         case KEYCODE_ENTER:
1502             event = MP_KEY_BTN_NAVIGATION;
1503             break;
1504
1505         case KEYCODE_M:
1506             event = MP_KEY_BTN_MENU;
1507             break;
1508         }
1509         /* Do not repeat already pressed buttons */
1510         if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1511             event = 0;
1512         }
1513     }
1514
1515     if (event) {
1516         /* Raise GPIO pin first if repeating a key */
1517         if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1518             for (i = 0; i <= 7; i++) {
1519                 if (event & (1 << i)) {
1520                     qemu_set_irq(s->out[i], 1);
1521                 }
1522             }
1523         }
1524         for (i = 0; i <= 7; i++) {
1525             if (event & (1 << i)) {
1526                 qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED));
1527             }
1528         }
1529         if (keycode & KEY_RELEASED) {
1530             s->pressed_keys &= ~event;
1531         } else {
1532             s->pressed_keys |= event;
1533         }
1534     }
1535
1536     s->kbd_extended = 0;
1537 }
1538
1539 static void musicpal_key_init(Object *obj)
1540 {
1541     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
1542     DeviceState *dev = DEVICE(sbd);
1543     musicpal_key_state *s = MUSICPAL_KEY(dev);
1544
1545     memory_region_init(&s->iomem, obj, "dummy", 0);
1546     sysbus_init_mmio(sbd, &s->iomem);
1547
1548     s->kbd_extended = 0;
1549     s->pressed_keys = 0;
1550
1551     qdev_init_gpio_out(dev, s->out, ARRAY_SIZE(s->out));
1552
1553     qemu_add_kbd_event_handler(musicpal_key_event, s);
1554 }
1555
1556 static const VMStateDescription musicpal_key_vmsd = {
1557     .name = "musicpal_key",
1558     .version_id = 1,
1559     .minimum_version_id = 1,
1560     .fields = (VMStateField[]) {
1561         VMSTATE_UINT32(kbd_extended, musicpal_key_state),
1562         VMSTATE_UINT32(pressed_keys, musicpal_key_state),
1563         VMSTATE_END_OF_LIST()
1564     }
1565 };
1566
1567 static void musicpal_key_class_init(ObjectClass *klass, void *data)
1568 {
1569     DeviceClass *dc = DEVICE_CLASS(klass);
1570
1571     dc->vmsd = &musicpal_key_vmsd;
1572 }
1573
1574 static const TypeInfo musicpal_key_info = {
1575     .name          = TYPE_MUSICPAL_KEY,
1576     .parent        = TYPE_SYS_BUS_DEVICE,
1577     .instance_size = sizeof(musicpal_key_state),
1578     .instance_init = musicpal_key_init,
1579     .class_init    = musicpal_key_class_init,
1580 };
1581
1582 static struct arm_boot_info musicpal_binfo = {
1583     .loader_start = MP_SRAM_BASE,
1584     .board_id = 0x20e,
1585 };
1586
1587 static void musicpal_init(MachineState *machine)
1588 {
1589     ARMCPU *cpu;
1590     DeviceState *dev;
1591     DeviceState *pic;
1592     DeviceState *uart_orgate;
1593     DeviceState *i2c_dev;
1594     DeviceState *lcd_dev;
1595     DeviceState *key_dev;
1596     I2CSlave *wm8750_dev;
1597     SysBusDevice *s;
1598     I2CBus *i2c;
1599     int i;
1600     unsigned long flash_size;
1601     DriveInfo *dinfo;
1602     MachineClass *mc = MACHINE_GET_CLASS(machine);
1603     MemoryRegion *address_space_mem = get_system_memory();
1604     MemoryRegion *sram = g_new(MemoryRegion, 1);
1605
1606     /* For now we use a fixed - the original - RAM size */
1607     if (machine->ram_size != mc->default_ram_size) {
1608         char *sz = size_to_str(mc->default_ram_size);
1609         error_report("Invalid RAM size, should be %s", sz);
1610         g_free(sz);
1611         exit(EXIT_FAILURE);
1612     }
1613
1614     cpu = ARM_CPU(cpu_create(machine->cpu_type));
1615
1616     memory_region_add_subregion(address_space_mem, 0, machine->ram);
1617
1618     memory_region_init_ram(sram, NULL, "musicpal.sram", MP_SRAM_SIZE,
1619                            &error_fatal);
1620     memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram);
1621
1622     pic = sysbus_create_simple(TYPE_MV88W8618_PIC, MP_PIC_BASE,
1623                                qdev_get_gpio_in(DEVICE(cpu), ARM_CPU_IRQ));
1624     sysbus_create_varargs(TYPE_MV88W8618_PIT, MP_PIT_BASE,
1625                           qdev_get_gpio_in(pic, MP_TIMER1_IRQ),
1626                           qdev_get_gpio_in(pic, MP_TIMER2_IRQ),
1627                           qdev_get_gpio_in(pic, MP_TIMER3_IRQ),
1628                           qdev_get_gpio_in(pic, MP_TIMER4_IRQ), NULL);
1629
1630     /* Logically OR both UART IRQs together */
1631     uart_orgate = DEVICE(object_new(TYPE_OR_IRQ));
1632     object_property_set_int(OBJECT(uart_orgate), "num-lines", 2, &error_fatal);
1633     qdev_realize_and_unref(uart_orgate, NULL, &error_fatal);
1634     qdev_connect_gpio_out(DEVICE(uart_orgate), 0,
1635                           qdev_get_gpio_in(pic, MP_UART_SHARED_IRQ));
1636
1637     serial_mm_init(address_space_mem, MP_UART1_BASE, 2,
1638                    qdev_get_gpio_in(uart_orgate, 0),
1639                    1825000, serial_hd(0), DEVICE_NATIVE_ENDIAN);
1640     serial_mm_init(address_space_mem, MP_UART2_BASE, 2,
1641                    qdev_get_gpio_in(uart_orgate, 1),
1642                    1825000, serial_hd(1), DEVICE_NATIVE_ENDIAN);
1643
1644     /* Register flash */
1645     dinfo = drive_get(IF_PFLASH, 0, 0);
1646     if (dinfo) {
1647         BlockBackend *blk = blk_by_legacy_dinfo(dinfo);
1648
1649         flash_size = blk_getlength(blk);
1650         if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 &&
1651             flash_size != 32*1024*1024) {
1652             error_report("Invalid flash image size");
1653             exit(1);
1654         }
1655
1656         /*
1657          * The original U-Boot accesses the flash at 0xFE000000 instead of
1658          * 0xFF800000 (if there is 8 MB flash). So remap flash access if the
1659          * image is smaller than 32 MB.
1660          */
1661         pflash_cfi02_register(0x100000000ULL - MP_FLASH_SIZE_MAX,
1662                               "musicpal.flash", flash_size,
1663                               blk, 0x10000,
1664                               MP_FLASH_SIZE_MAX / flash_size,
1665                               2, 0x00BF, 0x236D, 0x0000, 0x0000,
1666                               0x5555, 0x2AAA, false);
1667     }
1668     sysbus_create_simple(TYPE_MV88W8618_FLASHCFG, MP_FLASHCFG_BASE, NULL);
1669
1670     qemu_check_nic_model(&nd_table[0], "mv88w8618");
1671     dev = qdev_new(TYPE_MV88W8618_ETH);
1672     qdev_set_nic_properties(dev, &nd_table[0]);
1673     object_property_set_link(OBJECT(dev), "dma-memory",
1674                              OBJECT(get_system_memory()), &error_fatal);
1675     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
1676     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MP_ETH_BASE);
1677     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
1678                        qdev_get_gpio_in(pic, MP_ETH_IRQ));
1679
1680     sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL);
1681
1682     sysbus_create_simple(TYPE_MUSICPAL_MISC, MP_MISC_BASE, NULL);
1683
1684     dev = sysbus_create_simple(TYPE_MUSICPAL_GPIO, MP_GPIO_BASE,
1685                                qdev_get_gpio_in(pic, MP_GPIO_IRQ));
1686     i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL);
1687     i2c = (I2CBus *)qdev_get_child_bus(i2c_dev, "i2c");
1688
1689     lcd_dev = sysbus_create_simple(TYPE_MUSICPAL_LCD, MP_LCD_BASE, NULL);
1690     key_dev = sysbus_create_simple(TYPE_MUSICPAL_KEY, -1, NULL);
1691
1692     /* I2C read data */
1693     qdev_connect_gpio_out(i2c_dev, 0,
1694                           qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT));
1695     /* I2C data */
1696     qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0));
1697     /* I2C clock */
1698     qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1));
1699
1700     for (i = 0; i < 3; i++) {
1701         qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i));
1702     }
1703     for (i = 0; i < 4; i++) {
1704         qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8));
1705     }
1706     for (i = 4; i < 8; i++) {
1707         qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15));
1708     }
1709
1710     wm8750_dev = i2c_slave_create_simple(i2c, TYPE_WM8750, MP_WM_ADDR);
1711     dev = qdev_new(TYPE_MV88W8618_AUDIO);
1712     s = SYS_BUS_DEVICE(dev);
1713     object_property_set_link(OBJECT(dev), "wm8750", OBJECT(wm8750_dev),
1714                              NULL);
1715     sysbus_realize_and_unref(s, &error_fatal);
1716     sysbus_mmio_map(s, 0, MP_AUDIO_BASE);
1717     sysbus_connect_irq(s, 0, qdev_get_gpio_in(pic, MP_AUDIO_IRQ));
1718
1719     musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE;
1720     arm_load_kernel(cpu, machine, &musicpal_binfo);
1721 }
1722
1723 static void musicpal_machine_init(MachineClass *mc)
1724 {
1725     mc->desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)";
1726     mc->init = musicpal_init;
1727     mc->ignore_memory_transaction_failures = true;
1728     mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
1729     mc->default_ram_size = MP_RAM_DEFAULT_SIZE;
1730     mc->default_ram_id = "musicpal.ram";
1731 }
1732
1733 DEFINE_MACHINE("musicpal", musicpal_machine_init)
1734
1735 static void mv88w8618_wlan_class_init(ObjectClass *klass, void *data)
1736 {
1737     DeviceClass *dc = DEVICE_CLASS(klass);
1738
1739     dc->realize = mv88w8618_wlan_realize;
1740 }
1741
1742 static const TypeInfo mv88w8618_wlan_info = {
1743     .name          = "mv88w8618_wlan",
1744     .parent        = TYPE_SYS_BUS_DEVICE,
1745     .instance_size = sizeof(SysBusDevice),
1746     .class_init    = mv88w8618_wlan_class_init,
1747 };
1748
1749 static void musicpal_register_types(void)
1750 {
1751     type_register_static(&mv88w8618_pic_info);
1752     type_register_static(&mv88w8618_pit_info);
1753     type_register_static(&mv88w8618_flashcfg_info);
1754     type_register_static(&mv88w8618_eth_info);
1755     type_register_static(&mv88w8618_wlan_info);
1756     type_register_static(&musicpal_lcd_info);
1757     type_register_static(&musicpal_gpio_info);
1758     type_register_static(&musicpal_key_info);
1759     type_register_static(&musicpal_misc_info);
1760 }
1761
1762 type_init(musicpal_register_types)