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1
/*
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 * Marvell MV88W8618 / Freecom MusicPal emulation.
3
 *
4
 * Copyright (c) 2008 Jan Kiszka
5
 *
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 * This code is licensed under the GNU GPL v2.
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 *
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 * Contributions after 2012-01-13 are licensed under the terms of the
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 * GNU GPL, version 2 or (at your option) any later version.
10
 */
11

    
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#include "hw/sysbus.h"
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#include "hw/arm-misc.h"
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#include "hw/devices.h"
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#include "net/net.h"
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#include "sysemu/sysemu.h"
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#include "hw/boards.h"
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#include "hw/serial.h"
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#include "qemu/timer.h"
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#include "hw/ptimer.h"
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#include "block/block.h"
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#include "hw/flash.h"
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#include "ui/console.h"
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#include "hw/i2c.h"
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#include "sysemu/blockdev.h"
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#include "exec/address-spaces.h"
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#include "ui/pixel_ops.h"
28

    
29
#define MP_MISC_BASE            0x80002000
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#define MP_MISC_SIZE            0x00001000
31

    
32
#define MP_ETH_BASE             0x80008000
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#define MP_ETH_SIZE             0x00001000
34

    
35
#define MP_WLAN_BASE            0x8000C000
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#define MP_WLAN_SIZE            0x00000800
37

    
38
#define MP_UART1_BASE           0x8000C840
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#define MP_UART2_BASE           0x8000C940
40

    
41
#define MP_GPIO_BASE            0x8000D000
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#define MP_GPIO_SIZE            0x00001000
43

    
44
#define MP_FLASHCFG_BASE        0x90006000
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#define MP_FLASHCFG_SIZE        0x00001000
46

    
47
#define MP_AUDIO_BASE           0x90007000
48

    
49
#define MP_PIC_BASE             0x90008000
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#define MP_PIC_SIZE             0x00001000
51

    
52
#define MP_PIT_BASE             0x90009000
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#define MP_PIT_SIZE             0x00001000
54

    
55
#define MP_LCD_BASE             0x9000c000
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#define MP_LCD_SIZE             0x00001000
57

    
58
#define MP_SRAM_BASE            0xC0000000
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#define MP_SRAM_SIZE            0x00020000
60

    
61
#define MP_RAM_DEFAULT_SIZE     32*1024*1024
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#define MP_FLASH_SIZE_MAX       32*1024*1024
63

    
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#define MP_TIMER1_IRQ           4
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#define MP_TIMER2_IRQ           5
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#define MP_TIMER3_IRQ           6
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#define MP_TIMER4_IRQ           7
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#define MP_EHCI_IRQ             8
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#define MP_ETH_IRQ              9
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#define MP_UART1_IRQ            11
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#define MP_UART2_IRQ            11
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#define MP_GPIO_IRQ             12
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#define MP_RTC_IRQ              28
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#define MP_AUDIO_IRQ            30
75

    
76
/* Wolfson 8750 I2C address */
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#define MP_WM_ADDR              0x1A
78

    
79
/* Ethernet register offsets */
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#define MP_ETH_SMIR             0x010
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#define MP_ETH_PCXR             0x408
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#define MP_ETH_SDCMR            0x448
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#define MP_ETH_ICR              0x450
84
#define MP_ETH_IMR              0x458
85
#define MP_ETH_FRDP0            0x480
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#define MP_ETH_FRDP1            0x484
87
#define MP_ETH_FRDP2            0x488
88
#define MP_ETH_FRDP3            0x48C
89
#define MP_ETH_CRDP0            0x4A0
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#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
#define MP_ETH_CTDP2            0x4E8
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#define MP_ETH_CTDP3            0x4EC
97

    
98
/* MII PHY access */
99
#define MP_ETH_SMIR_DATA        0x0000FFFF
100
#define MP_ETH_SMIR_ADDR        0x03FF0000
101
#define MP_ETH_SMIR_OPCODE      (1 << 26) /* Read value */
102
#define MP_ETH_SMIR_RDVALID     (1 << 27)
103

    
104
/* PHY registers */
105
#define MP_ETH_PHY1_BMSR        0x00210000
106
#define MP_ETH_PHY1_PHYSID1     0x00410000
107
#define MP_ETH_PHY1_PHYSID2     0x00610000
108

    
109
#define MP_PHY_BMSR_LINK        0x0004
110
#define MP_PHY_BMSR_AUTONEG     0x0008
111

    
112
#define MP_PHY_88E3015          0x01410E20
113

    
114
/* TX descriptor status */
115
#define MP_ETH_TX_OWN           (1 << 31)
116

    
117
/* RX descriptor status */
118
#define MP_ETH_RX_OWN           (1 << 31)
119

    
120
/* Interrupt cause/mask bits */
121
#define MP_ETH_IRQ_RX_BIT       0
122
#define MP_ETH_IRQ_RX           (1 << MP_ETH_IRQ_RX_BIT)
123
#define MP_ETH_IRQ_TXHI_BIT     2
124
#define MP_ETH_IRQ_TXLO_BIT     3
125

    
126
/* Port config bits */
127
#define MP_ETH_PCXR_2BSM_BIT    28 /* 2-byte incoming suffix */
128

    
129
/* SDMA command bits */
130
#define MP_ETH_CMD_TXHI         (1 << 23)
131
#define MP_ETH_CMD_TXLO         (1 << 22)
132

    
133
typedef struct mv88w8618_tx_desc {
134
    uint32_t cmdstat;
135
    uint16_t res;
136
    uint16_t bytes;
137
    uint32_t buffer;
138
    uint32_t next;
139
} mv88w8618_tx_desc;
140

    
141
typedef struct mv88w8618_rx_desc {
142
    uint32_t cmdstat;
143
    uint16_t bytes;
144
    uint16_t buffer_size;
145
    uint32_t buffer;
146
    uint32_t next;
147
} mv88w8618_rx_desc;
148

    
149
typedef struct mv88w8618_eth_state {
150
    SysBusDevice busdev;
151
    MemoryRegion iomem;
152
    qemu_irq irq;
153
    uint32_t smir;
154
    uint32_t icr;
155
    uint32_t imr;
156
    int mmio_index;
157
    uint32_t vlan_header;
158
    uint32_t tx_queue[2];
159
    uint32_t rx_queue[4];
160
    uint32_t frx_queue[4];
161
    uint32_t cur_rx[4];
162
    NICState *nic;
163
    NICConf conf;
164
} mv88w8618_eth_state;
165

    
166
static void eth_rx_desc_put(uint32_t addr, mv88w8618_rx_desc *desc)
167
{
168
    cpu_to_le32s(&desc->cmdstat);
169
    cpu_to_le16s(&desc->bytes);
170
    cpu_to_le16s(&desc->buffer_size);
171
    cpu_to_le32s(&desc->buffer);
172
    cpu_to_le32s(&desc->next);
173
    cpu_physical_memory_write(addr, (void *)desc, sizeof(*desc));
174
}
175

    
176
static void eth_rx_desc_get(uint32_t addr, mv88w8618_rx_desc *desc)
177
{
178
    cpu_physical_memory_read(addr, (void *)desc, sizeof(*desc));
179
    le32_to_cpus(&desc->cmdstat);
180
    le16_to_cpus(&desc->bytes);
181
    le16_to_cpus(&desc->buffer_size);
182
    le32_to_cpus(&desc->buffer);
183
    le32_to_cpus(&desc->next);
184
}
185

    
186
static int eth_can_receive(NetClientState *nc)
187
{
188
    return 1;
189
}
190

    
191
static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size)
192
{
193
    mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
194
    uint32_t desc_addr;
195
    mv88w8618_rx_desc desc;
196
    int i;
197

    
198
    for (i = 0; i < 4; i++) {
199
        desc_addr = s->cur_rx[i];
200
        if (!desc_addr) {
201
            continue;
202
        }
203
        do {
204
            eth_rx_desc_get(desc_addr, &desc);
205
            if ((desc.cmdstat & MP_ETH_RX_OWN) && desc.buffer_size >= size) {
206
                cpu_physical_memory_write(desc.buffer + s->vlan_header,
207
                                          buf, size);
208
                desc.bytes = size + s->vlan_header;
209
                desc.cmdstat &= ~MP_ETH_RX_OWN;
210
                s->cur_rx[i] = desc.next;
211

    
212
                s->icr |= MP_ETH_IRQ_RX;
213
                if (s->icr & s->imr) {
214
                    qemu_irq_raise(s->irq);
215
                }
216
                eth_rx_desc_put(desc_addr, &desc);
217
                return size;
218
            }
219
            desc_addr = desc.next;
220
        } while (desc_addr != s->rx_queue[i]);
221
    }
222
    return size;
223
}
224

    
225
static void eth_tx_desc_put(uint32_t addr, mv88w8618_tx_desc *desc)
226
{
227
    cpu_to_le32s(&desc->cmdstat);
228
    cpu_to_le16s(&desc->res);
229
    cpu_to_le16s(&desc->bytes);
230
    cpu_to_le32s(&desc->buffer);
231
    cpu_to_le32s(&desc->next);
232
    cpu_physical_memory_write(addr, (void *)desc, sizeof(*desc));
233
}
234

    
235
static void eth_tx_desc_get(uint32_t addr, mv88w8618_tx_desc *desc)
236
{
237
    cpu_physical_memory_read(addr, (void *)desc, sizeof(*desc));
238
    le32_to_cpus(&desc->cmdstat);
239
    le16_to_cpus(&desc->res);
240
    le16_to_cpus(&desc->bytes);
241
    le32_to_cpus(&desc->buffer);
242
    le32_to_cpus(&desc->next);
243
}
244

    
245
static void eth_send(mv88w8618_eth_state *s, int queue_index)
246
{
247
    uint32_t desc_addr = s->tx_queue[queue_index];
248
    mv88w8618_tx_desc desc;
249
    uint32_t next_desc;
250
    uint8_t buf[2048];
251
    int len;
252

    
253
    do {
254
        eth_tx_desc_get(desc_addr, &desc);
255
        next_desc = desc.next;
256
        if (desc.cmdstat & MP_ETH_TX_OWN) {
257
            len = desc.bytes;
258
            if (len < 2048) {
259
                cpu_physical_memory_read(desc.buffer, buf, len);
260
                qemu_send_packet(qemu_get_queue(s->nic), buf, len);
261
            }
262
            desc.cmdstat &= ~MP_ETH_TX_OWN;
263
            s->icr |= 1 << (MP_ETH_IRQ_TXLO_BIT - queue_index);
264
            eth_tx_desc_put(desc_addr, &desc);
265
        }
266
        desc_addr = next_desc;
267
    } while (desc_addr != s->tx_queue[queue_index]);
268
}
269

    
270
static uint64_t mv88w8618_eth_read(void *opaque, hwaddr offset,
271
                                   unsigned size)
272
{
273
    mv88w8618_eth_state *s = opaque;
274

    
275
    switch (offset) {
276
    case MP_ETH_SMIR:
277
        if (s->smir & MP_ETH_SMIR_OPCODE) {
278
            switch (s->smir & MP_ETH_SMIR_ADDR) {
279
            case MP_ETH_PHY1_BMSR:
280
                return MP_PHY_BMSR_LINK | MP_PHY_BMSR_AUTONEG |
281
                       MP_ETH_SMIR_RDVALID;
282
            case MP_ETH_PHY1_PHYSID1:
283
                return (MP_PHY_88E3015 >> 16) | MP_ETH_SMIR_RDVALID;
284
            case MP_ETH_PHY1_PHYSID2:
285
                return (MP_PHY_88E3015 & 0xFFFF) | MP_ETH_SMIR_RDVALID;
286
            default:
287
                return MP_ETH_SMIR_RDVALID;
288
            }
289
        }
290
        return 0;
291

    
292
    case MP_ETH_ICR:
293
        return s->icr;
294

    
295
    case MP_ETH_IMR:
296
        return s->imr;
297

    
298
    case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
299
        return s->frx_queue[(offset - MP_ETH_FRDP0)/4];
300

    
301
    case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
302
        return s->rx_queue[(offset - MP_ETH_CRDP0)/4];
303

    
304
    case MP_ETH_CTDP0 ... MP_ETH_CTDP3:
305
        return s->tx_queue[(offset - MP_ETH_CTDP0)/4];
306

    
307
    default:
308
        return 0;
309
    }
310
}
311

    
312
static void mv88w8618_eth_write(void *opaque, hwaddr offset,
313
                                uint64_t value, unsigned size)
314
{
315
    mv88w8618_eth_state *s = opaque;
316

    
317
    switch (offset) {
318
    case MP_ETH_SMIR:
319
        s->smir = value;
320
        break;
321

    
322
    case MP_ETH_PCXR:
323
        s->vlan_header = ((value >> MP_ETH_PCXR_2BSM_BIT) & 1) * 2;
324
        break;
325

    
326
    case MP_ETH_SDCMR:
327
        if (value & MP_ETH_CMD_TXHI) {
328
            eth_send(s, 1);
329
        }
330
        if (value & MP_ETH_CMD_TXLO) {
331
            eth_send(s, 0);
332
        }
333
        if (value & (MP_ETH_CMD_TXHI | MP_ETH_CMD_TXLO) && s->icr & s->imr) {
334
            qemu_irq_raise(s->irq);
335
        }
336
        break;
337

    
338
    case MP_ETH_ICR:
339
        s->icr &= value;
340
        break;
341

    
342
    case MP_ETH_IMR:
343
        s->imr = value;
344
        if (s->icr & s->imr) {
345
            qemu_irq_raise(s->irq);
346
        }
347
        break;
348

    
349
    case MP_ETH_FRDP0 ... MP_ETH_FRDP3:
350
        s->frx_queue[(offset - MP_ETH_FRDP0)/4] = value;
351
        break;
352

    
353
    case MP_ETH_CRDP0 ... MP_ETH_CRDP3:
354
        s->rx_queue[(offset - MP_ETH_CRDP0)/4] =
355
            s->cur_rx[(offset - MP_ETH_CRDP0)/4] = value;
356
        break;
357

    
358
    case MP_ETH_CTDP0 ... MP_ETH_CTDP3:
359
        s->tx_queue[(offset - MP_ETH_CTDP0)/4] = value;
360
        break;
361
    }
362
}
363

    
364
static const MemoryRegionOps mv88w8618_eth_ops = {
365
    .read = mv88w8618_eth_read,
366
    .write = mv88w8618_eth_write,
367
    .endianness = DEVICE_NATIVE_ENDIAN,
368
};
369

    
370
static void eth_cleanup(NetClientState *nc)
371
{
372
    mv88w8618_eth_state *s = qemu_get_nic_opaque(nc);
373

    
374
    s->nic = NULL;
375
}
376

    
377
static NetClientInfo net_mv88w8618_info = {
378
    .type = NET_CLIENT_OPTIONS_KIND_NIC,
379
    .size = sizeof(NICState),
380
    .can_receive = eth_can_receive,
381
    .receive = eth_receive,
382
    .cleanup = eth_cleanup,
383
};
384

    
385
static int mv88w8618_eth_init(SysBusDevice *dev)
386
{
387
    mv88w8618_eth_state *s = FROM_SYSBUS(mv88w8618_eth_state, dev);
388

    
389
    sysbus_init_irq(dev, &s->irq);
390
    s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf,
391
                          object_get_typename(OBJECT(dev)), dev->qdev.id, s);
392
    memory_region_init_io(&s->iomem, &mv88w8618_eth_ops, s, "mv88w8618-eth",
393
                          MP_ETH_SIZE);
394
    sysbus_init_mmio(dev, &s->iomem);
395
    return 0;
396
}
397

    
398
static const VMStateDescription mv88w8618_eth_vmsd = {
399
    .name = "mv88w8618_eth",
400
    .version_id = 1,
401
    .minimum_version_id = 1,
402
    .minimum_version_id_old = 1,
403
    .fields = (VMStateField[]) {
404
        VMSTATE_UINT32(smir, mv88w8618_eth_state),
405
        VMSTATE_UINT32(icr, mv88w8618_eth_state),
406
        VMSTATE_UINT32(imr, mv88w8618_eth_state),
407
        VMSTATE_UINT32(vlan_header, mv88w8618_eth_state),
408
        VMSTATE_UINT32_ARRAY(tx_queue, mv88w8618_eth_state, 2),
409
        VMSTATE_UINT32_ARRAY(rx_queue, mv88w8618_eth_state, 4),
410
        VMSTATE_UINT32_ARRAY(frx_queue, mv88w8618_eth_state, 4),
411
        VMSTATE_UINT32_ARRAY(cur_rx, mv88w8618_eth_state, 4),
412
        VMSTATE_END_OF_LIST()
413
    }
414
};
415

    
416
static Property mv88w8618_eth_properties[] = {
417
    DEFINE_NIC_PROPERTIES(mv88w8618_eth_state, conf),
418
    DEFINE_PROP_END_OF_LIST(),
419
};
420

    
421
static void mv88w8618_eth_class_init(ObjectClass *klass, void *data)
422
{
423
    DeviceClass *dc = DEVICE_CLASS(klass);
424
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
425

    
426
    k->init = mv88w8618_eth_init;
427
    dc->vmsd = &mv88w8618_eth_vmsd;
428
    dc->props = mv88w8618_eth_properties;
429
}
430

    
431
static const TypeInfo mv88w8618_eth_info = {
432
    .name          = "mv88w8618_eth",
433
    .parent        = TYPE_SYS_BUS_DEVICE,
434
    .instance_size = sizeof(mv88w8618_eth_state),
435
    .class_init    = mv88w8618_eth_class_init,
436
};
437

    
438
/* LCD register offsets */
439
#define MP_LCD_IRQCTRL          0x180
440
#define MP_LCD_IRQSTAT          0x184
441
#define MP_LCD_SPICTRL          0x1ac
442
#define MP_LCD_INST             0x1bc
443
#define MP_LCD_DATA             0x1c0
444

    
445
/* Mode magics */
446
#define MP_LCD_SPI_DATA         0x00100011
447
#define MP_LCD_SPI_CMD          0x00104011
448
#define MP_LCD_SPI_INVALID      0x00000000
449

    
450
/* Commmands */
451
#define MP_LCD_INST_SETPAGE0    0xB0
452
/* ... */
453
#define MP_LCD_INST_SETPAGE7    0xB7
454

    
455
#define MP_LCD_TEXTCOLOR        0xe0e0ff /* RRGGBB */
456

    
457
typedef struct musicpal_lcd_state {
458
    SysBusDevice busdev;
459
    MemoryRegion iomem;
460
    uint32_t brightness;
461
    uint32_t mode;
462
    uint32_t irqctrl;
463
    uint32_t page;
464
    uint32_t page_off;
465
    QemuConsole *con;
466
    uint8_t video_ram[128*64/8];
467
} musicpal_lcd_state;
468

    
469
static uint8_t scale_lcd_color(musicpal_lcd_state *s, uint8_t col)
470
{
471
    switch (s->brightness) {
472
    case 7:
473
        return col;
474
    case 0:
475
        return 0;
476
    default:
477
        return (col * s->brightness) / 7;
478
    }
479
}
480

    
481
#define SET_LCD_PIXEL(depth, type) \
482
static inline void glue(set_lcd_pixel, depth) \
483
        (musicpal_lcd_state *s, int x, int y, type col) \
484
{ \
485
    int dx, dy; \
486
    DisplaySurface *surface = qemu_console_surface(s->con); \
487
    type *pixel = &((type *) surface_data(surface))[(y * 128 * 3 + x) * 3]; \
488
\
489
    for (dy = 0; dy < 3; dy++, pixel += 127 * 3) \
490
        for (dx = 0; dx < 3; dx++, pixel++) \
491
            *pixel = col; \
492
}
493
SET_LCD_PIXEL(8, uint8_t)
494
SET_LCD_PIXEL(16, uint16_t)
495
SET_LCD_PIXEL(32, uint32_t)
496

    
497
static void lcd_refresh(void *opaque)
498
{
499
    musicpal_lcd_state *s = opaque;
500
    DisplaySurface *surface = qemu_console_surface(s->con);
501
    int x, y, col;
502

    
503
    switch (surface_bits_per_pixel(surface)) {
504
    case 0:
505
        return;
506
#define LCD_REFRESH(depth, func) \
507
    case depth: \
508
        col = func(scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 16) & 0xff), \
509
                   scale_lcd_color(s, (MP_LCD_TEXTCOLOR >> 8) & 0xff), \
510
                   scale_lcd_color(s, MP_LCD_TEXTCOLOR & 0xff)); \
511
        for (x = 0; x < 128; x++) { \
512
            for (y = 0; y < 64; y++) { \
513
                if (s->video_ram[x + (y/8)*128] & (1 << (y % 8))) { \
514
                    glue(set_lcd_pixel, depth)(s, x, y, col); \
515
                } else { \
516
                    glue(set_lcd_pixel, depth)(s, x, y, 0); \
517
                } \
518
            } \
519
        } \
520
        break;
521
    LCD_REFRESH(8, rgb_to_pixel8)
522
    LCD_REFRESH(16, rgb_to_pixel16)
523
    LCD_REFRESH(32, (is_surface_bgr(surface) ?
524
                     rgb_to_pixel32bgr : rgb_to_pixel32))
525
    default:
526
        hw_error("unsupported colour depth %i\n",
527
                 surface_bits_per_pixel(surface));
528
    }
529

    
530
    dpy_gfx_update(s->con, 0, 0, 128*3, 64*3);
531
}
532

    
533
static void lcd_invalidate(void *opaque)
534
{
535
}
536

    
537
static void musicpal_lcd_gpio_brigthness_in(void *opaque, int irq, int level)
538
{
539
    musicpal_lcd_state *s = opaque;
540
    s->brightness &= ~(1 << irq);
541
    s->brightness |= level << irq;
542
}
543

    
544
static uint64_t musicpal_lcd_read(void *opaque, hwaddr offset,
545
                                  unsigned size)
546
{
547
    musicpal_lcd_state *s = opaque;
548

    
549
    switch (offset) {
550
    case MP_LCD_IRQCTRL:
551
        return s->irqctrl;
552

    
553
    default:
554
        return 0;
555
    }
556
}
557

    
558
static void musicpal_lcd_write(void *opaque, hwaddr offset,
559
                               uint64_t value, unsigned size)
560
{
561
    musicpal_lcd_state *s = opaque;
562

    
563
    switch (offset) {
564
    case MP_LCD_IRQCTRL:
565
        s->irqctrl = value;
566
        break;
567

    
568
    case MP_LCD_SPICTRL:
569
        if (value == MP_LCD_SPI_DATA || value == MP_LCD_SPI_CMD) {
570
            s->mode = value;
571
        } else {
572
            s->mode = MP_LCD_SPI_INVALID;
573
        }
574
        break;
575

    
576
    case MP_LCD_INST:
577
        if (value >= MP_LCD_INST_SETPAGE0 && value <= MP_LCD_INST_SETPAGE7) {
578
            s->page = value - MP_LCD_INST_SETPAGE0;
579
            s->page_off = 0;
580
        }
581
        break;
582

    
583
    case MP_LCD_DATA:
584
        if (s->mode == MP_LCD_SPI_CMD) {
585
            if (value >= MP_LCD_INST_SETPAGE0 &&
586
                value <= MP_LCD_INST_SETPAGE7) {
587
                s->page = value - MP_LCD_INST_SETPAGE0;
588
                s->page_off = 0;
589
            }
590
        } else if (s->mode == MP_LCD_SPI_DATA) {
591
            s->video_ram[s->page*128 + s->page_off] = value;
592
            s->page_off = (s->page_off + 1) & 127;
593
        }
594
        break;
595
    }
596
}
597

    
598
static const MemoryRegionOps musicpal_lcd_ops = {
599
    .read = musicpal_lcd_read,
600
    .write = musicpal_lcd_write,
601
    .endianness = DEVICE_NATIVE_ENDIAN,
602
};
603

    
604
static int musicpal_lcd_init(SysBusDevice *dev)
605
{
606
    musicpal_lcd_state *s = FROM_SYSBUS(musicpal_lcd_state, dev);
607

    
608
    s->brightness = 7;
609

    
610
    memory_region_init_io(&s->iomem, &musicpal_lcd_ops, s,
611
                          "musicpal-lcd", MP_LCD_SIZE);
612
    sysbus_init_mmio(dev, &s->iomem);
613

    
614
    s->con = graphic_console_init(lcd_refresh, lcd_invalidate,
615
                                  NULL, NULL, s);
616
    qemu_console_resize(s->con, 128*3, 64*3);
617

    
618
    qdev_init_gpio_in(&dev->qdev, musicpal_lcd_gpio_brigthness_in, 3);
619

    
620
    return 0;
621
}
622

    
623
static const VMStateDescription musicpal_lcd_vmsd = {
624
    .name = "musicpal_lcd",
625
    .version_id = 1,
626
    .minimum_version_id = 1,
627
    .minimum_version_id_old = 1,
628
    .fields = (VMStateField[]) {
629
        VMSTATE_UINT32(brightness, musicpal_lcd_state),
630
        VMSTATE_UINT32(mode, musicpal_lcd_state),
631
        VMSTATE_UINT32(irqctrl, musicpal_lcd_state),
632
        VMSTATE_UINT32(page, musicpal_lcd_state),
633
        VMSTATE_UINT32(page_off, musicpal_lcd_state),
634
        VMSTATE_BUFFER(video_ram, musicpal_lcd_state),
635
        VMSTATE_END_OF_LIST()
636
    }
637
};
638

    
639
static void musicpal_lcd_class_init(ObjectClass *klass, void *data)
640
{
641
    DeviceClass *dc = DEVICE_CLASS(klass);
642
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
643

    
644
    k->init = musicpal_lcd_init;
645
    dc->vmsd = &musicpal_lcd_vmsd;
646
}
647

    
648
static const TypeInfo musicpal_lcd_info = {
649
    .name          = "musicpal_lcd",
650
    .parent        = TYPE_SYS_BUS_DEVICE,
651
    .instance_size = sizeof(musicpal_lcd_state),
652
    .class_init    = musicpal_lcd_class_init,
653
};
654

    
655
/* PIC register offsets */
656
#define MP_PIC_STATUS           0x00
657
#define MP_PIC_ENABLE_SET       0x08
658
#define MP_PIC_ENABLE_CLR       0x0C
659

    
660
typedef struct mv88w8618_pic_state
661
{
662
    SysBusDevice busdev;
663
    MemoryRegion iomem;
664
    uint32_t level;
665
    uint32_t enabled;
666
    qemu_irq parent_irq;
667
} mv88w8618_pic_state;
668

    
669
static void mv88w8618_pic_update(mv88w8618_pic_state *s)
670
{
671
    qemu_set_irq(s->parent_irq, (s->level & s->enabled));
672
}
673

    
674
static void mv88w8618_pic_set_irq(void *opaque, int irq, int level)
675
{
676
    mv88w8618_pic_state *s = opaque;
677

    
678
    if (level) {
679
        s->level |= 1 << irq;
680
    } else {
681
        s->level &= ~(1 << irq);
682
    }
683
    mv88w8618_pic_update(s);
684
}
685

    
686
static uint64_t mv88w8618_pic_read(void *opaque, hwaddr offset,
687
                                   unsigned size)
688
{
689
    mv88w8618_pic_state *s = opaque;
690

    
691
    switch (offset) {
692
    case MP_PIC_STATUS:
693
        return s->level & s->enabled;
694

    
695
    default:
696
        return 0;
697
    }
698
}
699

    
700
static void mv88w8618_pic_write(void *opaque, hwaddr offset,
701
                                uint64_t value, unsigned size)
702
{
703
    mv88w8618_pic_state *s = opaque;
704

    
705
    switch (offset) {
706
    case MP_PIC_ENABLE_SET:
707
        s->enabled |= value;
708
        break;
709

    
710
    case MP_PIC_ENABLE_CLR:
711
        s->enabled &= ~value;
712
        s->level &= ~value;
713
        break;
714
    }
715
    mv88w8618_pic_update(s);
716
}
717

    
718
static void mv88w8618_pic_reset(DeviceState *d)
719
{
720
    mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state,
721
                                         SYS_BUS_DEVICE(d));
722

    
723
    s->level = 0;
724
    s->enabled = 0;
725
}
726

    
727
static const MemoryRegionOps mv88w8618_pic_ops = {
728
    .read = mv88w8618_pic_read,
729
    .write = mv88w8618_pic_write,
730
    .endianness = DEVICE_NATIVE_ENDIAN,
731
};
732

    
733
static int mv88w8618_pic_init(SysBusDevice *dev)
734
{
735
    mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, dev);
736

    
737
    qdev_init_gpio_in(&dev->qdev, mv88w8618_pic_set_irq, 32);
738
    sysbus_init_irq(dev, &s->parent_irq);
739
    memory_region_init_io(&s->iomem, &mv88w8618_pic_ops, s,
740
                          "musicpal-pic", MP_PIC_SIZE);
741
    sysbus_init_mmio(dev, &s->iomem);
742
    return 0;
743
}
744

    
745
static const VMStateDescription mv88w8618_pic_vmsd = {
746
    .name = "mv88w8618_pic",
747
    .version_id = 1,
748
    .minimum_version_id = 1,
749
    .minimum_version_id_old = 1,
750
    .fields = (VMStateField[]) {
751
        VMSTATE_UINT32(level, mv88w8618_pic_state),
752
        VMSTATE_UINT32(enabled, mv88w8618_pic_state),
753
        VMSTATE_END_OF_LIST()
754
    }
755
};
756

    
757
static void mv88w8618_pic_class_init(ObjectClass *klass, void *data)
758
{
759
    DeviceClass *dc = DEVICE_CLASS(klass);
760
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
761

    
762
    k->init = mv88w8618_pic_init;
763
    dc->reset = mv88w8618_pic_reset;
764
    dc->vmsd = &mv88w8618_pic_vmsd;
765
}
766

    
767
static const TypeInfo mv88w8618_pic_info = {
768
    .name          = "mv88w8618_pic",
769
    .parent        = TYPE_SYS_BUS_DEVICE,
770
    .instance_size = sizeof(mv88w8618_pic_state),
771
    .class_init    = mv88w8618_pic_class_init,
772
};
773

    
774
/* PIT register offsets */
775
#define MP_PIT_TIMER1_LENGTH    0x00
776
/* ... */
777
#define MP_PIT_TIMER4_LENGTH    0x0C
778
#define MP_PIT_CONTROL          0x10
779
#define MP_PIT_TIMER1_VALUE     0x14
780
/* ... */
781
#define MP_PIT_TIMER4_VALUE     0x20
782
#define MP_BOARD_RESET          0x34
783

    
784
/* Magic board reset value (probably some watchdog behind it) */
785
#define MP_BOARD_RESET_MAGIC    0x10000
786

    
787
typedef struct mv88w8618_timer_state {
788
    ptimer_state *ptimer;
789
    uint32_t limit;
790
    int freq;
791
    qemu_irq irq;
792
} mv88w8618_timer_state;
793

    
794
typedef struct mv88w8618_pit_state {
795
    SysBusDevice busdev;
796
    MemoryRegion iomem;
797
    mv88w8618_timer_state timer[4];
798
} mv88w8618_pit_state;
799

    
800
static void mv88w8618_timer_tick(void *opaque)
801
{
802
    mv88w8618_timer_state *s = opaque;
803

    
804
    qemu_irq_raise(s->irq);
805
}
806

    
807
static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s,
808
                                 uint32_t freq)
809
{
810
    QEMUBH *bh;
811

    
812
    sysbus_init_irq(dev, &s->irq);
813
    s->freq = freq;
814

    
815
    bh = qemu_bh_new(mv88w8618_timer_tick, s);
816
    s->ptimer = ptimer_init(bh);
817
}
818

    
819
static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset,
820
                                   unsigned size)
821
{
822
    mv88w8618_pit_state *s = opaque;
823
    mv88w8618_timer_state *t;
824

    
825
    switch (offset) {
826
    case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE:
827
        t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2];
828
        return ptimer_get_count(t->ptimer);
829

    
830
    default:
831
        return 0;
832
    }
833
}
834

    
835
static void mv88w8618_pit_write(void *opaque, hwaddr offset,
836
                                uint64_t value, unsigned size)
837
{
838
    mv88w8618_pit_state *s = opaque;
839
    mv88w8618_timer_state *t;
840
    int i;
841

    
842
    switch (offset) {
843
    case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH:
844
        t = &s->timer[offset >> 2];
845
        t->limit = value;
846
        if (t->limit > 0) {
847
            ptimer_set_limit(t->ptimer, t->limit, 1);
848
        } else {
849
            ptimer_stop(t->ptimer);
850
        }
851
        break;
852

    
853
    case MP_PIT_CONTROL:
854
        for (i = 0; i < 4; i++) {
855
            t = &s->timer[i];
856
            if (value & 0xf && t->limit > 0) {
857
                ptimer_set_limit(t->ptimer, t->limit, 0);
858
                ptimer_set_freq(t->ptimer, t->freq);
859
                ptimer_run(t->ptimer, 0);
860
            } else {
861
                ptimer_stop(t->ptimer);
862
            }
863
            value >>= 4;
864
        }
865
        break;
866

    
867
    case MP_BOARD_RESET:
868
        if (value == MP_BOARD_RESET_MAGIC) {
869
            qemu_system_reset_request();
870
        }
871
        break;
872
    }
873
}
874

    
875
static void mv88w8618_pit_reset(DeviceState *d)
876
{
877
    mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state,
878
                                         SYS_BUS_DEVICE(d));
879
    int i;
880

    
881
    for (i = 0; i < 4; i++) {
882
        ptimer_stop(s->timer[i].ptimer);
883
        s->timer[i].limit = 0;
884
    }
885
}
886

    
887
static const MemoryRegionOps mv88w8618_pit_ops = {
888
    .read = mv88w8618_pit_read,
889
    .write = mv88w8618_pit_write,
890
    .endianness = DEVICE_NATIVE_ENDIAN,
891
};
892

    
893
static int mv88w8618_pit_init(SysBusDevice *dev)
894
{
895
    mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state, dev);
896
    int i;
897

    
898
    /* Letting them all run at 1 MHz is likely just a pragmatic
899
     * simplification. */
900
    for (i = 0; i < 4; i++) {
901
        mv88w8618_timer_init(dev, &s->timer[i], 1000000);
902
    }
903

    
904
    memory_region_init_io(&s->iomem, &mv88w8618_pit_ops, s,
905
                          "musicpal-pit", MP_PIT_SIZE);
906
    sysbus_init_mmio(dev, &s->iomem);
907
    return 0;
908
}
909

    
910
static const VMStateDescription mv88w8618_timer_vmsd = {
911
    .name = "timer",
912
    .version_id = 1,
913
    .minimum_version_id = 1,
914
    .minimum_version_id_old = 1,
915
    .fields = (VMStateField[]) {
916
        VMSTATE_PTIMER(ptimer, mv88w8618_timer_state),
917
        VMSTATE_UINT32(limit, mv88w8618_timer_state),
918
        VMSTATE_END_OF_LIST()
919
    }
920
};
921

    
922
static const VMStateDescription mv88w8618_pit_vmsd = {
923
    .name = "mv88w8618_pit",
924
    .version_id = 1,
925
    .minimum_version_id = 1,
926
    .minimum_version_id_old = 1,
927
    .fields = (VMStateField[]) {
928
        VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1,
929
                             mv88w8618_timer_vmsd, mv88w8618_timer_state),
930
        VMSTATE_END_OF_LIST()
931
    }
932
};
933

    
934
static void mv88w8618_pit_class_init(ObjectClass *klass, void *data)
935
{
936
    DeviceClass *dc = DEVICE_CLASS(klass);
937
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
938

    
939
    k->init = mv88w8618_pit_init;
940
    dc->reset = mv88w8618_pit_reset;
941
    dc->vmsd = &mv88w8618_pit_vmsd;
942
}
943

    
944
static const TypeInfo mv88w8618_pit_info = {
945
    .name          = "mv88w8618_pit",
946
    .parent        = TYPE_SYS_BUS_DEVICE,
947
    .instance_size = sizeof(mv88w8618_pit_state),
948
    .class_init    = mv88w8618_pit_class_init,
949
};
950

    
951
/* Flash config register offsets */
952
#define MP_FLASHCFG_CFGR0    0x04
953

    
954
typedef struct mv88w8618_flashcfg_state {
955
    SysBusDevice busdev;
956
    MemoryRegion iomem;
957
    uint32_t cfgr0;
958
} mv88w8618_flashcfg_state;
959

    
960
static uint64_t mv88w8618_flashcfg_read(void *opaque,
961
                                        hwaddr offset,
962
                                        unsigned size)
963
{
964
    mv88w8618_flashcfg_state *s = opaque;
965

    
966
    switch (offset) {
967
    case MP_FLASHCFG_CFGR0:
968
        return s->cfgr0;
969

    
970
    default:
971
        return 0;
972
    }
973
}
974

    
975
static void mv88w8618_flashcfg_write(void *opaque, hwaddr offset,
976
                                     uint64_t value, unsigned size)
977
{
978
    mv88w8618_flashcfg_state *s = opaque;
979

    
980
    switch (offset) {
981
    case MP_FLASHCFG_CFGR0:
982
        s->cfgr0 = value;
983
        break;
984
    }
985
}
986

    
987
static const MemoryRegionOps mv88w8618_flashcfg_ops = {
988
    .read = mv88w8618_flashcfg_read,
989
    .write = mv88w8618_flashcfg_write,
990
    .endianness = DEVICE_NATIVE_ENDIAN,
991
};
992

    
993
static int mv88w8618_flashcfg_init(SysBusDevice *dev)
994
{
995
    mv88w8618_flashcfg_state *s = FROM_SYSBUS(mv88w8618_flashcfg_state, dev);
996

    
997
    s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */
998
    memory_region_init_io(&s->iomem, &mv88w8618_flashcfg_ops, s,
999
                          "musicpal-flashcfg", MP_FLASHCFG_SIZE);
1000
    sysbus_init_mmio(dev, &s->iomem);
1001
    return 0;
1002
}
1003

    
1004
static const VMStateDescription mv88w8618_flashcfg_vmsd = {
1005
    .name = "mv88w8618_flashcfg",
1006
    .version_id = 1,
1007
    .minimum_version_id = 1,
1008
    .minimum_version_id_old = 1,
1009
    .fields = (VMStateField[]) {
1010
        VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state),
1011
        VMSTATE_END_OF_LIST()
1012
    }
1013
};
1014

    
1015
static void mv88w8618_flashcfg_class_init(ObjectClass *klass, void *data)
1016
{
1017
    DeviceClass *dc = DEVICE_CLASS(klass);
1018
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1019

    
1020
    k->init = mv88w8618_flashcfg_init;
1021
    dc->vmsd = &mv88w8618_flashcfg_vmsd;
1022
}
1023

    
1024
static const TypeInfo mv88w8618_flashcfg_info = {
1025
    .name          = "mv88w8618_flashcfg",
1026
    .parent        = TYPE_SYS_BUS_DEVICE,
1027
    .instance_size = sizeof(mv88w8618_flashcfg_state),
1028
    .class_init    = mv88w8618_flashcfg_class_init,
1029
};
1030

    
1031
/* Misc register offsets */
1032
#define MP_MISC_BOARD_REVISION  0x18
1033

    
1034
#define MP_BOARD_REVISION       0x31
1035

    
1036
static uint64_t musicpal_misc_read(void *opaque, hwaddr offset,
1037
                                   unsigned size)
1038
{
1039
    switch (offset) {
1040
    case MP_MISC_BOARD_REVISION:
1041
        return MP_BOARD_REVISION;
1042

    
1043
    default:
1044
        return 0;
1045
    }
1046
}
1047

    
1048
static void musicpal_misc_write(void *opaque, hwaddr offset,
1049
                                uint64_t value, unsigned size)
1050
{
1051
}
1052

    
1053
static const MemoryRegionOps musicpal_misc_ops = {
1054
    .read = musicpal_misc_read,
1055
    .write = musicpal_misc_write,
1056
    .endianness = DEVICE_NATIVE_ENDIAN,
1057
};
1058

    
1059
static void musicpal_misc_init(SysBusDevice *dev)
1060
{
1061
    MemoryRegion *iomem = g_new(MemoryRegion, 1);
1062

    
1063
    memory_region_init_io(iomem, &musicpal_misc_ops, NULL,
1064
                          "musicpal-misc", MP_MISC_SIZE);
1065
    sysbus_add_memory(dev, MP_MISC_BASE, iomem);
1066
}
1067

    
1068
/* WLAN register offsets */
1069
#define MP_WLAN_MAGIC1          0x11c
1070
#define MP_WLAN_MAGIC2          0x124
1071

    
1072
static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset,
1073
                                    unsigned size)
1074
{
1075
    switch (offset) {
1076
    /* Workaround to allow loading the binary-only wlandrv.ko crap
1077
     * from the original Freecom firmware. */
1078
    case MP_WLAN_MAGIC1:
1079
        return ~3;
1080
    case MP_WLAN_MAGIC2:
1081
        return -1;
1082

    
1083
    default:
1084
        return 0;
1085
    }
1086
}
1087

    
1088
static void mv88w8618_wlan_write(void *opaque, hwaddr offset,
1089
                                 uint64_t value, unsigned size)
1090
{
1091
}
1092

    
1093
static const MemoryRegionOps mv88w8618_wlan_ops = {
1094
    .read = mv88w8618_wlan_read,
1095
    .write =mv88w8618_wlan_write,
1096
    .endianness = DEVICE_NATIVE_ENDIAN,
1097
};
1098

    
1099
static int mv88w8618_wlan_init(SysBusDevice *dev)
1100
{
1101
    MemoryRegion *iomem = g_new(MemoryRegion, 1);
1102

    
1103
    memory_region_init_io(iomem, &mv88w8618_wlan_ops, NULL,
1104
                          "musicpal-wlan", MP_WLAN_SIZE);
1105
    sysbus_init_mmio(dev, iomem);
1106
    return 0;
1107
}
1108

    
1109
/* GPIO register offsets */
1110
#define MP_GPIO_OE_LO           0x008
1111
#define MP_GPIO_OUT_LO          0x00c
1112
#define MP_GPIO_IN_LO           0x010
1113
#define MP_GPIO_IER_LO          0x014
1114
#define MP_GPIO_IMR_LO          0x018
1115
#define MP_GPIO_ISR_LO          0x020
1116
#define MP_GPIO_OE_HI           0x508
1117
#define MP_GPIO_OUT_HI          0x50c
1118
#define MP_GPIO_IN_HI           0x510
1119
#define MP_GPIO_IER_HI          0x514
1120
#define MP_GPIO_IMR_HI          0x518
1121
#define MP_GPIO_ISR_HI          0x520
1122

    
1123
/* GPIO bits & masks */
1124
#define MP_GPIO_LCD_BRIGHTNESS  0x00070000
1125
#define MP_GPIO_I2C_DATA_BIT    29
1126
#define MP_GPIO_I2C_CLOCK_BIT   30
1127

    
1128
/* LCD brightness bits in GPIO_OE_HI */
1129
#define MP_OE_LCD_BRIGHTNESS    0x0007
1130

    
1131
typedef struct musicpal_gpio_state {
1132
    SysBusDevice busdev;
1133
    MemoryRegion iomem;
1134
    uint32_t lcd_brightness;
1135
    uint32_t out_state;
1136
    uint32_t in_state;
1137
    uint32_t ier;
1138
    uint32_t imr;
1139
    uint32_t isr;
1140
    qemu_irq irq;
1141
    qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */
1142
} musicpal_gpio_state;
1143

    
1144
static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) {
1145
    int i;
1146
    uint32_t brightness;
1147

    
1148
    /* compute brightness ratio */
1149
    switch (s->lcd_brightness) {
1150
    case 0x00000007:
1151
        brightness = 0;
1152
        break;
1153

    
1154
    case 0x00020000:
1155
        brightness = 1;
1156
        break;
1157

    
1158
    case 0x00020001:
1159
        brightness = 2;
1160
        break;
1161

    
1162
    case 0x00040000:
1163
        brightness = 3;
1164
        break;
1165

    
1166
    case 0x00010006:
1167
        brightness = 4;
1168
        break;
1169

    
1170
    case 0x00020005:
1171
        brightness = 5;
1172
        break;
1173

    
1174
    case 0x00040003:
1175
        brightness = 6;
1176
        break;
1177

    
1178
    case 0x00030004:
1179
    default:
1180
        brightness = 7;
1181
    }
1182

    
1183
    /* set lcd brightness GPIOs  */
1184
    for (i = 0; i <= 2; i++) {
1185
        qemu_set_irq(s->out[i], (brightness >> i) & 1);
1186
    }
1187
}
1188

    
1189
static void musicpal_gpio_pin_event(void *opaque, int pin, int level)
1190
{
1191
    musicpal_gpio_state *s = opaque;
1192
    uint32_t mask = 1 << pin;
1193
    uint32_t delta = level << pin;
1194
    uint32_t old = s->in_state & mask;
1195

    
1196
    s->in_state &= ~mask;
1197
    s->in_state |= delta;
1198

    
1199
    if ((old ^ delta) &&
1200
        ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) {
1201
        s->isr = mask;
1202
        qemu_irq_raise(s->irq);
1203
    }
1204
}
1205

    
1206
static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset,
1207
                                   unsigned size)
1208
{
1209
    musicpal_gpio_state *s = opaque;
1210

    
1211
    switch (offset) {
1212
    case MP_GPIO_OE_HI: /* used for LCD brightness control */
1213
        return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS;
1214

    
1215
    case MP_GPIO_OUT_LO:
1216
        return s->out_state & 0xFFFF;
1217
    case MP_GPIO_OUT_HI:
1218
        return s->out_state >> 16;
1219

    
1220
    case MP_GPIO_IN_LO:
1221
        return s->in_state & 0xFFFF;
1222
    case MP_GPIO_IN_HI:
1223
        return s->in_state >> 16;
1224

    
1225
    case MP_GPIO_IER_LO:
1226
        return s->ier & 0xFFFF;
1227
    case MP_GPIO_IER_HI:
1228
        return s->ier >> 16;
1229

    
1230
    case MP_GPIO_IMR_LO:
1231
        return s->imr & 0xFFFF;
1232
    case MP_GPIO_IMR_HI:
1233
        return s->imr >> 16;
1234

    
1235
    case MP_GPIO_ISR_LO:
1236
        return s->isr & 0xFFFF;
1237
    case MP_GPIO_ISR_HI:
1238
        return s->isr >> 16;
1239

    
1240
    default:
1241
        return 0;
1242
    }
1243
}
1244

    
1245
static void musicpal_gpio_write(void *opaque, hwaddr offset,
1246
                                uint64_t value, unsigned size)
1247
{
1248
    musicpal_gpio_state *s = opaque;
1249
    switch (offset) {
1250
    case MP_GPIO_OE_HI: /* used for LCD brightness control */
1251
        s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) |
1252
                         (value & MP_OE_LCD_BRIGHTNESS);
1253
        musicpal_gpio_brightness_update(s);
1254
        break;
1255

    
1256
    case MP_GPIO_OUT_LO:
1257
        s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF);
1258
        break;
1259
    case MP_GPIO_OUT_HI:
1260
        s->out_state = (s->out_state & 0xFFFF) | (value << 16);
1261
        s->lcd_brightness = (s->lcd_brightness & 0xFFFF) |
1262
                            (s->out_state & MP_GPIO_LCD_BRIGHTNESS);
1263
        musicpal_gpio_brightness_update(s);
1264
        qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1);
1265
        qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1);
1266
        break;
1267

    
1268
    case MP_GPIO_IER_LO:
1269
        s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF);
1270
        break;
1271
    case MP_GPIO_IER_HI:
1272
        s->ier = (s->ier & 0xFFFF) | (value << 16);
1273
        break;
1274

    
1275
    case MP_GPIO_IMR_LO:
1276
        s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF);
1277
        break;
1278
    case MP_GPIO_IMR_HI:
1279
        s->imr = (s->imr & 0xFFFF) | (value << 16);
1280
        break;
1281
    }
1282
}
1283

    
1284
static const MemoryRegionOps musicpal_gpio_ops = {
1285
    .read = musicpal_gpio_read,
1286
    .write = musicpal_gpio_write,
1287
    .endianness = DEVICE_NATIVE_ENDIAN,
1288
};
1289

    
1290
static void musicpal_gpio_reset(DeviceState *d)
1291
{
1292
    musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state,
1293
                                         SYS_BUS_DEVICE(d));
1294

    
1295
    s->lcd_brightness = 0;
1296
    s->out_state = 0;
1297
    s->in_state = 0xffffffff;
1298
    s->ier = 0;
1299
    s->imr = 0;
1300
    s->isr = 0;
1301
}
1302

    
1303
static int musicpal_gpio_init(SysBusDevice *dev)
1304
{
1305
    musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, dev);
1306

    
1307
    sysbus_init_irq(dev, &s->irq);
1308

    
1309
    memory_region_init_io(&s->iomem, &musicpal_gpio_ops, s,
1310
                          "musicpal-gpio", MP_GPIO_SIZE);
1311
    sysbus_init_mmio(dev, &s->iomem);
1312

    
1313
    qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
1314

    
1315
    qdev_init_gpio_in(&dev->qdev, musicpal_gpio_pin_event, 32);
1316

    
1317
    return 0;
1318
}
1319

    
1320
static const VMStateDescription musicpal_gpio_vmsd = {
1321
    .name = "musicpal_gpio",
1322
    .version_id = 1,
1323
    .minimum_version_id = 1,
1324
    .minimum_version_id_old = 1,
1325
    .fields = (VMStateField[]) {
1326
        VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state),
1327
        VMSTATE_UINT32(out_state, musicpal_gpio_state),
1328
        VMSTATE_UINT32(in_state, musicpal_gpio_state),
1329
        VMSTATE_UINT32(ier, musicpal_gpio_state),
1330
        VMSTATE_UINT32(imr, musicpal_gpio_state),
1331
        VMSTATE_UINT32(isr, musicpal_gpio_state),
1332
        VMSTATE_END_OF_LIST()
1333
    }
1334
};
1335

    
1336
static void musicpal_gpio_class_init(ObjectClass *klass, void *data)
1337
{
1338
    DeviceClass *dc = DEVICE_CLASS(klass);
1339
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1340

    
1341
    k->init = musicpal_gpio_init;
1342
    dc->reset = musicpal_gpio_reset;
1343
    dc->vmsd = &musicpal_gpio_vmsd;
1344
}
1345

    
1346
static const TypeInfo musicpal_gpio_info = {
1347
    .name          = "musicpal_gpio",
1348
    .parent        = TYPE_SYS_BUS_DEVICE,
1349
    .instance_size = sizeof(musicpal_gpio_state),
1350
    .class_init    = musicpal_gpio_class_init,
1351
};
1352

    
1353
/* Keyboard codes & masks */
1354
#define KEY_RELEASED            0x80
1355
#define KEY_CODE                0x7f
1356

    
1357
#define KEYCODE_TAB             0x0f
1358
#define KEYCODE_ENTER           0x1c
1359
#define KEYCODE_F               0x21
1360
#define KEYCODE_M               0x32
1361

    
1362
#define KEYCODE_EXTENDED        0xe0
1363
#define KEYCODE_UP              0x48
1364
#define KEYCODE_DOWN            0x50
1365
#define KEYCODE_LEFT            0x4b
1366
#define KEYCODE_RIGHT           0x4d
1367

    
1368
#define MP_KEY_WHEEL_VOL       (1 << 0)
1369
#define MP_KEY_WHEEL_VOL_INV   (1 << 1)
1370
#define MP_KEY_WHEEL_NAV       (1 << 2)
1371
#define MP_KEY_WHEEL_NAV_INV   (1 << 3)
1372
#define MP_KEY_BTN_FAVORITS    (1 << 4)
1373
#define MP_KEY_BTN_MENU        (1 << 5)
1374
#define MP_KEY_BTN_VOLUME      (1 << 6)
1375
#define MP_KEY_BTN_NAVIGATION  (1 << 7)
1376

    
1377
typedef struct musicpal_key_state {
1378
    SysBusDevice busdev;
1379
    MemoryRegion iomem;
1380
    uint32_t kbd_extended;
1381
    uint32_t pressed_keys;
1382
    qemu_irq out[8];
1383
} musicpal_key_state;
1384

    
1385
static void musicpal_key_event(void *opaque, int keycode)
1386
{
1387
    musicpal_key_state *s = opaque;
1388
    uint32_t event = 0;
1389
    int i;
1390

    
1391
    if (keycode == KEYCODE_EXTENDED) {
1392
        s->kbd_extended = 1;
1393
        return;
1394
    }
1395

    
1396
    if (s->kbd_extended) {
1397
        switch (keycode & KEY_CODE) {
1398
        case KEYCODE_UP:
1399
            event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV;
1400
            break;
1401

    
1402
        case KEYCODE_DOWN:
1403
            event = MP_KEY_WHEEL_NAV;
1404
            break;
1405

    
1406
        case KEYCODE_LEFT:
1407
            event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV;
1408
            break;
1409

    
1410
        case KEYCODE_RIGHT:
1411
            event = MP_KEY_WHEEL_VOL;
1412
            break;
1413
        }
1414
    } else {
1415
        switch (keycode & KEY_CODE) {
1416
        case KEYCODE_F:
1417
            event = MP_KEY_BTN_FAVORITS;
1418
            break;
1419

    
1420
        case KEYCODE_TAB:
1421
            event = MP_KEY_BTN_VOLUME;
1422
            break;
1423

    
1424
        case KEYCODE_ENTER:
1425
            event = MP_KEY_BTN_NAVIGATION;
1426
            break;
1427

    
1428
        case KEYCODE_M:
1429
            event = MP_KEY_BTN_MENU;
1430
            break;
1431
        }
1432
        /* Do not repeat already pressed buttons */
1433
        if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1434
            event = 0;
1435
        }
1436
    }
1437

    
1438
    if (event) {
1439
        /* Raise GPIO pin first if repeating a key */
1440
        if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1441
            for (i = 0; i <= 7; i++) {
1442
                if (event & (1 << i)) {
1443
                    qemu_set_irq(s->out[i], 1);
1444
                }
1445
            }
1446
        }
1447
        for (i = 0; i <= 7; i++) {
1448
            if (event & (1 << i)) {
1449
                qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED));
1450
            }
1451
        }
1452
        if (keycode & KEY_RELEASED) {
1453
            s->pressed_keys &= ~event;
1454
        } else {
1455
            s->pressed_keys |= event;
1456
        }
1457
    }
1458

    
1459
    s->kbd_extended = 0;
1460
}
1461

    
1462
static int musicpal_key_init(SysBusDevice *dev)
1463
{
1464
    musicpal_key_state *s = FROM_SYSBUS(musicpal_key_state, dev);
1465

    
1466
    memory_region_init(&s->iomem, "dummy", 0);
1467
    sysbus_init_mmio(dev, &s->iomem);
1468

    
1469
    s->kbd_extended = 0;
1470
    s->pressed_keys = 0;
1471

    
1472
    qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
1473

    
1474
    qemu_add_kbd_event_handler(musicpal_key_event, s);
1475

    
1476
    return 0;
1477
}
1478

    
1479
static const VMStateDescription musicpal_key_vmsd = {
1480
    .name = "musicpal_key",
1481
    .version_id = 1,
1482
    .minimum_version_id = 1,
1483
    .minimum_version_id_old = 1,
1484
    .fields = (VMStateField[]) {
1485
        VMSTATE_UINT32(kbd_extended, musicpal_key_state),
1486
        VMSTATE_UINT32(pressed_keys, musicpal_key_state),
1487
        VMSTATE_END_OF_LIST()
1488
    }
1489
};
1490

    
1491
static void musicpal_key_class_init(ObjectClass *klass, void *data)
1492
{
1493
    DeviceClass *dc = DEVICE_CLASS(klass);
1494
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1495

    
1496
    k->init = musicpal_key_init;
1497
    dc->vmsd = &musicpal_key_vmsd;
1498
}
1499

    
1500
static const TypeInfo musicpal_key_info = {
1501
    .name          = "musicpal_key",
1502
    .parent        = TYPE_SYS_BUS_DEVICE,
1503
    .instance_size = sizeof(musicpal_key_state),
1504
    .class_init    = musicpal_key_class_init,
1505
};
1506

    
1507
static struct arm_boot_info musicpal_binfo = {
1508
    .loader_start = 0x0,
1509
    .board_id = 0x20e,
1510
};
1511

    
1512
static void musicpal_init(QEMUMachineInitArgs *args)
1513
{
1514
    const char *cpu_model = args->cpu_model;
1515
    const char *kernel_filename = args->kernel_filename;
1516
    const char *kernel_cmdline = args->kernel_cmdline;
1517
    const char *initrd_filename = args->initrd_filename;
1518
    ARMCPU *cpu;
1519
    qemu_irq *cpu_pic;
1520
    qemu_irq pic[32];
1521
    DeviceState *dev;
1522
    DeviceState *i2c_dev;
1523
    DeviceState *lcd_dev;
1524
    DeviceState *key_dev;
1525
    DeviceState *wm8750_dev;
1526
    SysBusDevice *s;
1527
    i2c_bus *i2c;
1528
    int i;
1529
    unsigned long flash_size;
1530
    DriveInfo *dinfo;
1531
    MemoryRegion *address_space_mem = get_system_memory();
1532
    MemoryRegion *ram = g_new(MemoryRegion, 1);
1533
    MemoryRegion *sram = g_new(MemoryRegion, 1);
1534

    
1535
    if (!cpu_model) {
1536
        cpu_model = "arm926";
1537
    }
1538
    cpu = cpu_arm_init(cpu_model);
1539
    if (!cpu) {
1540
        fprintf(stderr, "Unable to find CPU definition\n");
1541
        exit(1);
1542
    }
1543
    cpu_pic = arm_pic_init_cpu(cpu);
1544

    
1545
    /* For now we use a fixed - the original - RAM size */
1546
    memory_region_init_ram(ram, "musicpal.ram", MP_RAM_DEFAULT_SIZE);
1547
    vmstate_register_ram_global(ram);
1548
    memory_region_add_subregion(address_space_mem, 0, ram);
1549

    
1550
    memory_region_init_ram(sram, "musicpal.sram", MP_SRAM_SIZE);
1551
    vmstate_register_ram_global(sram);
1552
    memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram);
1553

    
1554
    dev = sysbus_create_simple("mv88w8618_pic", MP_PIC_BASE,
1555
                               cpu_pic[ARM_PIC_CPU_IRQ]);
1556
    for (i = 0; i < 32; i++) {
1557
        pic[i] = qdev_get_gpio_in(dev, i);
1558
    }
1559
    sysbus_create_varargs("mv88w8618_pit", MP_PIT_BASE, pic[MP_TIMER1_IRQ],
1560
                          pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ],
1561
                          pic[MP_TIMER4_IRQ], NULL);
1562

    
1563
    if (serial_hds[0]) {
1564
        serial_mm_init(address_space_mem, MP_UART1_BASE, 2, pic[MP_UART1_IRQ],
1565
                       1825000, serial_hds[0], DEVICE_NATIVE_ENDIAN);
1566
    }
1567
    if (serial_hds[1]) {
1568
        serial_mm_init(address_space_mem, MP_UART2_BASE, 2, pic[MP_UART2_IRQ],
1569
                       1825000, serial_hds[1], DEVICE_NATIVE_ENDIAN);
1570
    }
1571

    
1572
    /* Register flash */
1573
    dinfo = drive_get(IF_PFLASH, 0, 0);
1574
    if (dinfo) {
1575
        flash_size = bdrv_getlength(dinfo->bdrv);
1576
        if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 &&
1577
            flash_size != 32*1024*1024) {
1578
            fprintf(stderr, "Invalid flash image size\n");
1579
            exit(1);
1580
        }
1581

    
1582
        /*
1583
         * The original U-Boot accesses the flash at 0xFE000000 instead of
1584
         * 0xFF800000 (if there is 8 MB flash). So remap flash access if the
1585
         * image is smaller than 32 MB.
1586
         */
1587
#ifdef TARGET_WORDS_BIGENDIAN
1588
        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1589
                              "musicpal.flash", flash_size,
1590
                              dinfo->bdrv, 0x10000,
1591
                              (flash_size + 0xffff) >> 16,
1592
                              MP_FLASH_SIZE_MAX / flash_size,
1593
                              2, 0x00BF, 0x236D, 0x0000, 0x0000,
1594
                              0x5555, 0x2AAA, 1);
1595
#else
1596
        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1597
                              "musicpal.flash", flash_size,
1598
                              dinfo->bdrv, 0x10000,
1599
                              (flash_size + 0xffff) >> 16,
1600
                              MP_FLASH_SIZE_MAX / flash_size,
1601
                              2, 0x00BF, 0x236D, 0x0000, 0x0000,
1602
                              0x5555, 0x2AAA, 0);
1603
#endif
1604

    
1605
    }
1606
    sysbus_create_simple("mv88w8618_flashcfg", MP_FLASHCFG_BASE, NULL);
1607

    
1608
    qemu_check_nic_model(&nd_table[0], "mv88w8618");
1609
    dev = qdev_create(NULL, "mv88w8618_eth");
1610
    qdev_set_nic_properties(dev, &nd_table[0]);
1611
    qdev_init_nofail(dev);
1612
    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MP_ETH_BASE);
1613
    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[MP_ETH_IRQ]);
1614

    
1615
    sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL);
1616

    
1617
    musicpal_misc_init(SYS_BUS_DEVICE(dev));
1618

    
1619
    dev = sysbus_create_simple("musicpal_gpio", MP_GPIO_BASE, pic[MP_GPIO_IRQ]);
1620
    i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL);
1621
    i2c = (i2c_bus *)qdev_get_child_bus(i2c_dev, "i2c");
1622

    
1623
    lcd_dev = sysbus_create_simple("musicpal_lcd", MP_LCD_BASE, NULL);
1624
    key_dev = sysbus_create_simple("musicpal_key", -1, NULL);
1625

    
1626
    /* I2C read data */
1627
    qdev_connect_gpio_out(i2c_dev, 0,
1628
                          qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT));
1629
    /* I2C data */
1630
    qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0));
1631
    /* I2C clock */
1632
    qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1));
1633

    
1634
    for (i = 0; i < 3; i++) {
1635
        qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i));
1636
    }
1637
    for (i = 0; i < 4; i++) {
1638
        qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8));
1639
    }
1640
    for (i = 4; i < 8; i++) {
1641
        qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15));
1642
    }
1643

    
1644
    wm8750_dev = i2c_create_slave(i2c, "wm8750", MP_WM_ADDR);
1645
    dev = qdev_create(NULL, "mv88w8618_audio");
1646
    s = SYS_BUS_DEVICE(dev);
1647
    qdev_prop_set_ptr(dev, "wm8750", wm8750_dev);
1648
    qdev_init_nofail(dev);
1649
    sysbus_mmio_map(s, 0, MP_AUDIO_BASE);
1650
    sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]);
1651

    
1652
    musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE;
1653
    musicpal_binfo.kernel_filename = kernel_filename;
1654
    musicpal_binfo.kernel_cmdline = kernel_cmdline;
1655
    musicpal_binfo.initrd_filename = initrd_filename;
1656
    arm_load_kernel(cpu, &musicpal_binfo);
1657
}
1658

    
1659
static QEMUMachine musicpal_machine = {
1660
    .name = "musicpal",
1661
    .desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)",
1662
    .init = musicpal_init,
1663
    DEFAULT_MACHINE_OPTIONS,
1664
};
1665

    
1666
static void musicpal_machine_init(void)
1667
{
1668
    qemu_register_machine(&musicpal_machine);
1669
}
1670

    
1671
machine_init(musicpal_machine_init);
1672

    
1673
static void mv88w8618_wlan_class_init(ObjectClass *klass, void *data)
1674
{
1675
    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
1676

    
1677
    sdc->init = mv88w8618_wlan_init;
1678
}
1679

    
1680
static const TypeInfo mv88w8618_wlan_info = {
1681
    .name          = "mv88w8618_wlan",
1682
    .parent        = TYPE_SYS_BUS_DEVICE,
1683
    .instance_size = sizeof(SysBusDevice),
1684
    .class_init    = mv88w8618_wlan_class_init,
1685
};
1686

    
1687
static void musicpal_register_types(void)
1688
{
1689
    type_register_static(&mv88w8618_pic_info);
1690
    type_register_static(&mv88w8618_pit_info);
1691
    type_register_static(&mv88w8618_flashcfg_info);
1692
    type_register_static(&mv88w8618_eth_info);
1693
    type_register_static(&mv88w8618_wlan_info);
1694
    type_register_static(&musicpal_lcd_info);
1695
    type_register_static(&musicpal_gpio_info);
1696
    type_register_static(&musicpal_key_info);
1697
}
1698

    
1699
type_init(musicpal_register_types)