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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.
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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

    
12
#include "hw/sysbus.h"
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#include "hw/arm/arm.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/char/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/block/flash.h"
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#include "ui/console.h"
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#include "hw/i2c/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

    
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#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

    
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#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
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#define MP_ETH_IMR              0x458
85
#define MP_ETH_FRDP0            0x480
86
#define MP_ETH_FRDP1            0x484
87
#define MP_ETH_FRDP2            0x488
88
#define MP_ETH_FRDP3            0x48C
89
#define MP_ETH_CRDP0            0x4A0
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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
96
#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 */
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#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
typedef struct {
1037
    SysBusDevice parent_obj;
1038
    MemoryRegion iomem;
1039
} MusicPalMiscState;
1040

    
1041
#define TYPE_MUSICPAL_MISC "musicpal-misc"
1042
#define MUSICPAL_MISC(obj) \
1043
     OBJECT_CHECK(MusicPalMiscState, (obj), TYPE_MUSICPAL_MISC)
1044

    
1045
static uint64_t musicpal_misc_read(void *opaque, hwaddr offset,
1046
                                   unsigned size)
1047
{
1048
    switch (offset) {
1049
    case MP_MISC_BOARD_REVISION:
1050
        return MP_BOARD_REVISION;
1051

    
1052
    default:
1053
        return 0;
1054
    }
1055
}
1056

    
1057
static void musicpal_misc_write(void *opaque, hwaddr offset,
1058
                                uint64_t value, unsigned size)
1059
{
1060
}
1061

    
1062
static const MemoryRegionOps musicpal_misc_ops = {
1063
    .read = musicpal_misc_read,
1064
    .write = musicpal_misc_write,
1065
    .endianness = DEVICE_NATIVE_ENDIAN,
1066
};
1067

    
1068
static void musicpal_misc_init(Object *obj)
1069
{
1070
    SysBusDevice *sd = SYS_BUS_DEVICE(obj);
1071
    MusicPalMiscState *s = MUSICPAL_MISC(obj);
1072

    
1073
    memory_region_init_io(&s->iomem, &musicpal_misc_ops, NULL,
1074
                          "musicpal-misc", MP_MISC_SIZE);
1075
    sysbus_init_mmio(sd, &s->iomem);
1076
}
1077

    
1078
static const TypeInfo musicpal_misc_info = {
1079
    .name = TYPE_MUSICPAL_MISC,
1080
    .parent = TYPE_SYS_BUS_DEVICE,
1081
    .instance_init = musicpal_misc_init,
1082
    .instance_size = sizeof(MusicPalMiscState),
1083
};
1084

    
1085
/* WLAN register offsets */
1086
#define MP_WLAN_MAGIC1          0x11c
1087
#define MP_WLAN_MAGIC2          0x124
1088

    
1089
static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset,
1090
                                    unsigned size)
1091
{
1092
    switch (offset) {
1093
    /* Workaround to allow loading the binary-only wlandrv.ko crap
1094
     * from the original Freecom firmware. */
1095
    case MP_WLAN_MAGIC1:
1096
        return ~3;
1097
    case MP_WLAN_MAGIC2:
1098
        return -1;
1099

    
1100
    default:
1101
        return 0;
1102
    }
1103
}
1104

    
1105
static void mv88w8618_wlan_write(void *opaque, hwaddr offset,
1106
                                 uint64_t value, unsigned size)
1107
{
1108
}
1109

    
1110
static const MemoryRegionOps mv88w8618_wlan_ops = {
1111
    .read = mv88w8618_wlan_read,
1112
    .write =mv88w8618_wlan_write,
1113
    .endianness = DEVICE_NATIVE_ENDIAN,
1114
};
1115

    
1116
static int mv88w8618_wlan_init(SysBusDevice *dev)
1117
{
1118
    MemoryRegion *iomem = g_new(MemoryRegion, 1);
1119

    
1120
    memory_region_init_io(iomem, &mv88w8618_wlan_ops, NULL,
1121
                          "musicpal-wlan", MP_WLAN_SIZE);
1122
    sysbus_init_mmio(dev, iomem);
1123
    return 0;
1124
}
1125

    
1126
/* GPIO register offsets */
1127
#define MP_GPIO_OE_LO           0x008
1128
#define MP_GPIO_OUT_LO          0x00c
1129
#define MP_GPIO_IN_LO           0x010
1130
#define MP_GPIO_IER_LO          0x014
1131
#define MP_GPIO_IMR_LO          0x018
1132
#define MP_GPIO_ISR_LO          0x020
1133
#define MP_GPIO_OE_HI           0x508
1134
#define MP_GPIO_OUT_HI          0x50c
1135
#define MP_GPIO_IN_HI           0x510
1136
#define MP_GPIO_IER_HI          0x514
1137
#define MP_GPIO_IMR_HI          0x518
1138
#define MP_GPIO_ISR_HI          0x520
1139

    
1140
/* GPIO bits & masks */
1141
#define MP_GPIO_LCD_BRIGHTNESS  0x00070000
1142
#define MP_GPIO_I2C_DATA_BIT    29
1143
#define MP_GPIO_I2C_CLOCK_BIT   30
1144

    
1145
/* LCD brightness bits in GPIO_OE_HI */
1146
#define MP_OE_LCD_BRIGHTNESS    0x0007
1147

    
1148
typedef struct musicpal_gpio_state {
1149
    SysBusDevice busdev;
1150
    MemoryRegion iomem;
1151
    uint32_t lcd_brightness;
1152
    uint32_t out_state;
1153
    uint32_t in_state;
1154
    uint32_t ier;
1155
    uint32_t imr;
1156
    uint32_t isr;
1157
    qemu_irq irq;
1158
    qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */
1159
} musicpal_gpio_state;
1160

    
1161
static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) {
1162
    int i;
1163
    uint32_t brightness;
1164

    
1165
    /* compute brightness ratio */
1166
    switch (s->lcd_brightness) {
1167
    case 0x00000007:
1168
        brightness = 0;
1169
        break;
1170

    
1171
    case 0x00020000:
1172
        brightness = 1;
1173
        break;
1174

    
1175
    case 0x00020001:
1176
        brightness = 2;
1177
        break;
1178

    
1179
    case 0x00040000:
1180
        brightness = 3;
1181
        break;
1182

    
1183
    case 0x00010006:
1184
        brightness = 4;
1185
        break;
1186

    
1187
    case 0x00020005:
1188
        brightness = 5;
1189
        break;
1190

    
1191
    case 0x00040003:
1192
        brightness = 6;
1193
        break;
1194

    
1195
    case 0x00030004:
1196
    default:
1197
        brightness = 7;
1198
    }
1199

    
1200
    /* set lcd brightness GPIOs  */
1201
    for (i = 0; i <= 2; i++) {
1202
        qemu_set_irq(s->out[i], (brightness >> i) & 1);
1203
    }
1204
}
1205

    
1206
static void musicpal_gpio_pin_event(void *opaque, int pin, int level)
1207
{
1208
    musicpal_gpio_state *s = opaque;
1209
    uint32_t mask = 1 << pin;
1210
    uint32_t delta = level << pin;
1211
    uint32_t old = s->in_state & mask;
1212

    
1213
    s->in_state &= ~mask;
1214
    s->in_state |= delta;
1215

    
1216
    if ((old ^ delta) &&
1217
        ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) {
1218
        s->isr = mask;
1219
        qemu_irq_raise(s->irq);
1220
    }
1221
}
1222

    
1223
static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset,
1224
                                   unsigned size)
1225
{
1226
    musicpal_gpio_state *s = opaque;
1227

    
1228
    switch (offset) {
1229
    case MP_GPIO_OE_HI: /* used for LCD brightness control */
1230
        return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS;
1231

    
1232
    case MP_GPIO_OUT_LO:
1233
        return s->out_state & 0xFFFF;
1234
    case MP_GPIO_OUT_HI:
1235
        return s->out_state >> 16;
1236

    
1237
    case MP_GPIO_IN_LO:
1238
        return s->in_state & 0xFFFF;
1239
    case MP_GPIO_IN_HI:
1240
        return s->in_state >> 16;
1241

    
1242
    case MP_GPIO_IER_LO:
1243
        return s->ier & 0xFFFF;
1244
    case MP_GPIO_IER_HI:
1245
        return s->ier >> 16;
1246

    
1247
    case MP_GPIO_IMR_LO:
1248
        return s->imr & 0xFFFF;
1249
    case MP_GPIO_IMR_HI:
1250
        return s->imr >> 16;
1251

    
1252
    case MP_GPIO_ISR_LO:
1253
        return s->isr & 0xFFFF;
1254
    case MP_GPIO_ISR_HI:
1255
        return s->isr >> 16;
1256

    
1257
    default:
1258
        return 0;
1259
    }
1260
}
1261

    
1262
static void musicpal_gpio_write(void *opaque, hwaddr offset,
1263
                                uint64_t value, unsigned size)
1264
{
1265
    musicpal_gpio_state *s = opaque;
1266
    switch (offset) {
1267
    case MP_GPIO_OE_HI: /* used for LCD brightness control */
1268
        s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) |
1269
                         (value & MP_OE_LCD_BRIGHTNESS);
1270
        musicpal_gpio_brightness_update(s);
1271
        break;
1272

    
1273
    case MP_GPIO_OUT_LO:
1274
        s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF);
1275
        break;
1276
    case MP_GPIO_OUT_HI:
1277
        s->out_state = (s->out_state & 0xFFFF) | (value << 16);
1278
        s->lcd_brightness = (s->lcd_brightness & 0xFFFF) |
1279
                            (s->out_state & MP_GPIO_LCD_BRIGHTNESS);
1280
        musicpal_gpio_brightness_update(s);
1281
        qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1);
1282
        qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1);
1283
        break;
1284

    
1285
    case MP_GPIO_IER_LO:
1286
        s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF);
1287
        break;
1288
    case MP_GPIO_IER_HI:
1289
        s->ier = (s->ier & 0xFFFF) | (value << 16);
1290
        break;
1291

    
1292
    case MP_GPIO_IMR_LO:
1293
        s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF);
1294
        break;
1295
    case MP_GPIO_IMR_HI:
1296
        s->imr = (s->imr & 0xFFFF) | (value << 16);
1297
        break;
1298
    }
1299
}
1300

    
1301
static const MemoryRegionOps musicpal_gpio_ops = {
1302
    .read = musicpal_gpio_read,
1303
    .write = musicpal_gpio_write,
1304
    .endianness = DEVICE_NATIVE_ENDIAN,
1305
};
1306

    
1307
static void musicpal_gpio_reset(DeviceState *d)
1308
{
1309
    musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state,
1310
                                         SYS_BUS_DEVICE(d));
1311

    
1312
    s->lcd_brightness = 0;
1313
    s->out_state = 0;
1314
    s->in_state = 0xffffffff;
1315
    s->ier = 0;
1316
    s->imr = 0;
1317
    s->isr = 0;
1318
}
1319

    
1320
static int musicpal_gpio_init(SysBusDevice *dev)
1321
{
1322
    musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, dev);
1323

    
1324
    sysbus_init_irq(dev, &s->irq);
1325

    
1326
    memory_region_init_io(&s->iomem, &musicpal_gpio_ops, s,
1327
                          "musicpal-gpio", MP_GPIO_SIZE);
1328
    sysbus_init_mmio(dev, &s->iomem);
1329

    
1330
    qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
1331

    
1332
    qdev_init_gpio_in(&dev->qdev, musicpal_gpio_pin_event, 32);
1333

    
1334
    return 0;
1335
}
1336

    
1337
static const VMStateDescription musicpal_gpio_vmsd = {
1338
    .name = "musicpal_gpio",
1339
    .version_id = 1,
1340
    .minimum_version_id = 1,
1341
    .minimum_version_id_old = 1,
1342
    .fields = (VMStateField[]) {
1343
        VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state),
1344
        VMSTATE_UINT32(out_state, musicpal_gpio_state),
1345
        VMSTATE_UINT32(in_state, musicpal_gpio_state),
1346
        VMSTATE_UINT32(ier, musicpal_gpio_state),
1347
        VMSTATE_UINT32(imr, musicpal_gpio_state),
1348
        VMSTATE_UINT32(isr, musicpal_gpio_state),
1349
        VMSTATE_END_OF_LIST()
1350
    }
1351
};
1352

    
1353
static void musicpal_gpio_class_init(ObjectClass *klass, void *data)
1354
{
1355
    DeviceClass *dc = DEVICE_CLASS(klass);
1356
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1357

    
1358
    k->init = musicpal_gpio_init;
1359
    dc->reset = musicpal_gpio_reset;
1360
    dc->vmsd = &musicpal_gpio_vmsd;
1361
}
1362

    
1363
static const TypeInfo musicpal_gpio_info = {
1364
    .name          = "musicpal_gpio",
1365
    .parent        = TYPE_SYS_BUS_DEVICE,
1366
    .instance_size = sizeof(musicpal_gpio_state),
1367
    .class_init    = musicpal_gpio_class_init,
1368
};
1369

    
1370
/* Keyboard codes & masks */
1371
#define KEY_RELEASED            0x80
1372
#define KEY_CODE                0x7f
1373

    
1374
#define KEYCODE_TAB             0x0f
1375
#define KEYCODE_ENTER           0x1c
1376
#define KEYCODE_F               0x21
1377
#define KEYCODE_M               0x32
1378

    
1379
#define KEYCODE_EXTENDED        0xe0
1380
#define KEYCODE_UP              0x48
1381
#define KEYCODE_DOWN            0x50
1382
#define KEYCODE_LEFT            0x4b
1383
#define KEYCODE_RIGHT           0x4d
1384

    
1385
#define MP_KEY_WHEEL_VOL       (1 << 0)
1386
#define MP_KEY_WHEEL_VOL_INV   (1 << 1)
1387
#define MP_KEY_WHEEL_NAV       (1 << 2)
1388
#define MP_KEY_WHEEL_NAV_INV   (1 << 3)
1389
#define MP_KEY_BTN_FAVORITS    (1 << 4)
1390
#define MP_KEY_BTN_MENU        (1 << 5)
1391
#define MP_KEY_BTN_VOLUME      (1 << 6)
1392
#define MP_KEY_BTN_NAVIGATION  (1 << 7)
1393

    
1394
typedef struct musicpal_key_state {
1395
    SysBusDevice busdev;
1396
    MemoryRegion iomem;
1397
    uint32_t kbd_extended;
1398
    uint32_t pressed_keys;
1399
    qemu_irq out[8];
1400
} musicpal_key_state;
1401

    
1402
static void musicpal_key_event(void *opaque, int keycode)
1403
{
1404
    musicpal_key_state *s = opaque;
1405
    uint32_t event = 0;
1406
    int i;
1407

    
1408
    if (keycode == KEYCODE_EXTENDED) {
1409
        s->kbd_extended = 1;
1410
        return;
1411
    }
1412

    
1413
    if (s->kbd_extended) {
1414
        switch (keycode & KEY_CODE) {
1415
        case KEYCODE_UP:
1416
            event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV;
1417
            break;
1418

    
1419
        case KEYCODE_DOWN:
1420
            event = MP_KEY_WHEEL_NAV;
1421
            break;
1422

    
1423
        case KEYCODE_LEFT:
1424
            event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV;
1425
            break;
1426

    
1427
        case KEYCODE_RIGHT:
1428
            event = MP_KEY_WHEEL_VOL;
1429
            break;
1430
        }
1431
    } else {
1432
        switch (keycode & KEY_CODE) {
1433
        case KEYCODE_F:
1434
            event = MP_KEY_BTN_FAVORITS;
1435
            break;
1436

    
1437
        case KEYCODE_TAB:
1438
            event = MP_KEY_BTN_VOLUME;
1439
            break;
1440

    
1441
        case KEYCODE_ENTER:
1442
            event = MP_KEY_BTN_NAVIGATION;
1443
            break;
1444

    
1445
        case KEYCODE_M:
1446
            event = MP_KEY_BTN_MENU;
1447
            break;
1448
        }
1449
        /* Do not repeat already pressed buttons */
1450
        if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1451
            event = 0;
1452
        }
1453
    }
1454

    
1455
    if (event) {
1456
        /* Raise GPIO pin first if repeating a key */
1457
        if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1458
            for (i = 0; i <= 7; i++) {
1459
                if (event & (1 << i)) {
1460
                    qemu_set_irq(s->out[i], 1);
1461
                }
1462
            }
1463
        }
1464
        for (i = 0; i <= 7; i++) {
1465
            if (event & (1 << i)) {
1466
                qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED));
1467
            }
1468
        }
1469
        if (keycode & KEY_RELEASED) {
1470
            s->pressed_keys &= ~event;
1471
        } else {
1472
            s->pressed_keys |= event;
1473
        }
1474
    }
1475

    
1476
    s->kbd_extended = 0;
1477
}
1478

    
1479
static int musicpal_key_init(SysBusDevice *dev)
1480
{
1481
    musicpal_key_state *s = FROM_SYSBUS(musicpal_key_state, dev);
1482

    
1483
    memory_region_init(&s->iomem, "dummy", 0);
1484
    sysbus_init_mmio(dev, &s->iomem);
1485

    
1486
    s->kbd_extended = 0;
1487
    s->pressed_keys = 0;
1488

    
1489
    qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
1490

    
1491
    qemu_add_kbd_event_handler(musicpal_key_event, s);
1492

    
1493
    return 0;
1494
}
1495

    
1496
static const VMStateDescription musicpal_key_vmsd = {
1497
    .name = "musicpal_key",
1498
    .version_id = 1,
1499
    .minimum_version_id = 1,
1500
    .minimum_version_id_old = 1,
1501
    .fields = (VMStateField[]) {
1502
        VMSTATE_UINT32(kbd_extended, musicpal_key_state),
1503
        VMSTATE_UINT32(pressed_keys, musicpal_key_state),
1504
        VMSTATE_END_OF_LIST()
1505
    }
1506
};
1507

    
1508
static void musicpal_key_class_init(ObjectClass *klass, void *data)
1509
{
1510
    DeviceClass *dc = DEVICE_CLASS(klass);
1511
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1512

    
1513
    k->init = musicpal_key_init;
1514
    dc->vmsd = &musicpal_key_vmsd;
1515
}
1516

    
1517
static const TypeInfo musicpal_key_info = {
1518
    .name          = "musicpal_key",
1519
    .parent        = TYPE_SYS_BUS_DEVICE,
1520
    .instance_size = sizeof(musicpal_key_state),
1521
    .class_init    = musicpal_key_class_init,
1522
};
1523

    
1524
static struct arm_boot_info musicpal_binfo = {
1525
    .loader_start = 0x0,
1526
    .board_id = 0x20e,
1527
};
1528

    
1529
static void musicpal_init(QEMUMachineInitArgs *args)
1530
{
1531
    const char *cpu_model = args->cpu_model;
1532
    const char *kernel_filename = args->kernel_filename;
1533
    const char *kernel_cmdline = args->kernel_cmdline;
1534
    const char *initrd_filename = args->initrd_filename;
1535
    ARMCPU *cpu;
1536
    qemu_irq *cpu_pic;
1537
    qemu_irq pic[32];
1538
    DeviceState *dev;
1539
    DeviceState *i2c_dev;
1540
    DeviceState *lcd_dev;
1541
    DeviceState *key_dev;
1542
    DeviceState *wm8750_dev;
1543
    SysBusDevice *s;
1544
    i2c_bus *i2c;
1545
    int i;
1546
    unsigned long flash_size;
1547
    DriveInfo *dinfo;
1548
    MemoryRegion *address_space_mem = get_system_memory();
1549
    MemoryRegion *ram = g_new(MemoryRegion, 1);
1550
    MemoryRegion *sram = g_new(MemoryRegion, 1);
1551

    
1552
    if (!cpu_model) {
1553
        cpu_model = "arm926";
1554
    }
1555
    cpu = cpu_arm_init(cpu_model);
1556
    if (!cpu) {
1557
        fprintf(stderr, "Unable to find CPU definition\n");
1558
        exit(1);
1559
    }
1560
    cpu_pic = arm_pic_init_cpu(cpu);
1561

    
1562
    /* For now we use a fixed - the original - RAM size */
1563
    memory_region_init_ram(ram, "musicpal.ram", MP_RAM_DEFAULT_SIZE);
1564
    vmstate_register_ram_global(ram);
1565
    memory_region_add_subregion(address_space_mem, 0, ram);
1566

    
1567
    memory_region_init_ram(sram, "musicpal.sram", MP_SRAM_SIZE);
1568
    vmstate_register_ram_global(sram);
1569
    memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram);
1570

    
1571
    dev = sysbus_create_simple("mv88w8618_pic", MP_PIC_BASE,
1572
                               cpu_pic[ARM_PIC_CPU_IRQ]);
1573
    for (i = 0; i < 32; i++) {
1574
        pic[i] = qdev_get_gpio_in(dev, i);
1575
    }
1576
    sysbus_create_varargs("mv88w8618_pit", MP_PIT_BASE, pic[MP_TIMER1_IRQ],
1577
                          pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ],
1578
                          pic[MP_TIMER4_IRQ], NULL);
1579

    
1580
    if (serial_hds[0]) {
1581
        serial_mm_init(address_space_mem, MP_UART1_BASE, 2, pic[MP_UART1_IRQ],
1582
                       1825000, serial_hds[0], DEVICE_NATIVE_ENDIAN);
1583
    }
1584
    if (serial_hds[1]) {
1585
        serial_mm_init(address_space_mem, MP_UART2_BASE, 2, pic[MP_UART2_IRQ],
1586
                       1825000, serial_hds[1], DEVICE_NATIVE_ENDIAN);
1587
    }
1588

    
1589
    /* Register flash */
1590
    dinfo = drive_get(IF_PFLASH, 0, 0);
1591
    if (dinfo) {
1592
        flash_size = bdrv_getlength(dinfo->bdrv);
1593
        if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 &&
1594
            flash_size != 32*1024*1024) {
1595
            fprintf(stderr, "Invalid flash image size\n");
1596
            exit(1);
1597
        }
1598

    
1599
        /*
1600
         * The original U-Boot accesses the flash at 0xFE000000 instead of
1601
         * 0xFF800000 (if there is 8 MB flash). So remap flash access if the
1602
         * image is smaller than 32 MB.
1603
         */
1604
#ifdef TARGET_WORDS_BIGENDIAN
1605
        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1606
                              "musicpal.flash", flash_size,
1607
                              dinfo->bdrv, 0x10000,
1608
                              (flash_size + 0xffff) >> 16,
1609
                              MP_FLASH_SIZE_MAX / flash_size,
1610
                              2, 0x00BF, 0x236D, 0x0000, 0x0000,
1611
                              0x5555, 0x2AAA, 1);
1612
#else
1613
        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1614
                              "musicpal.flash", flash_size,
1615
                              dinfo->bdrv, 0x10000,
1616
                              (flash_size + 0xffff) >> 16,
1617
                              MP_FLASH_SIZE_MAX / flash_size,
1618
                              2, 0x00BF, 0x236D, 0x0000, 0x0000,
1619
                              0x5555, 0x2AAA, 0);
1620
#endif
1621

    
1622
    }
1623
    sysbus_create_simple("mv88w8618_flashcfg", MP_FLASHCFG_BASE, NULL);
1624

    
1625
    qemu_check_nic_model(&nd_table[0], "mv88w8618");
1626
    dev = qdev_create(NULL, "mv88w8618_eth");
1627
    qdev_set_nic_properties(dev, &nd_table[0]);
1628
    qdev_init_nofail(dev);
1629
    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MP_ETH_BASE);
1630
    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[MP_ETH_IRQ]);
1631

    
1632
    sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL);
1633

    
1634
    sysbus_create_simple(TYPE_MUSICPAL_MISC, MP_MISC_BASE, NULL);
1635

    
1636
    dev = sysbus_create_simple("musicpal_gpio", MP_GPIO_BASE, pic[MP_GPIO_IRQ]);
1637
    i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL);
1638
    i2c = (i2c_bus *)qdev_get_child_bus(i2c_dev, "i2c");
1639

    
1640
    lcd_dev = sysbus_create_simple("musicpal_lcd", MP_LCD_BASE, NULL);
1641
    key_dev = sysbus_create_simple("musicpal_key", -1, NULL);
1642

    
1643
    /* I2C read data */
1644
    qdev_connect_gpio_out(i2c_dev, 0,
1645
                          qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT));
1646
    /* I2C data */
1647
    qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0));
1648
    /* I2C clock */
1649
    qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1));
1650

    
1651
    for (i = 0; i < 3; i++) {
1652
        qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i));
1653
    }
1654
    for (i = 0; i < 4; i++) {
1655
        qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8));
1656
    }
1657
    for (i = 4; i < 8; i++) {
1658
        qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15));
1659
    }
1660

    
1661
    wm8750_dev = i2c_create_slave(i2c, "wm8750", MP_WM_ADDR);
1662
    dev = qdev_create(NULL, "mv88w8618_audio");
1663
    s = SYS_BUS_DEVICE(dev);
1664
    qdev_prop_set_ptr(dev, "wm8750", wm8750_dev);
1665
    qdev_init_nofail(dev);
1666
    sysbus_mmio_map(s, 0, MP_AUDIO_BASE);
1667
    sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]);
1668

    
1669
    musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE;
1670
    musicpal_binfo.kernel_filename = kernel_filename;
1671
    musicpal_binfo.kernel_cmdline = kernel_cmdline;
1672
    musicpal_binfo.initrd_filename = initrd_filename;
1673
    arm_load_kernel(cpu, &musicpal_binfo);
1674
}
1675

    
1676
static QEMUMachine musicpal_machine = {
1677
    .name = "musicpal",
1678
    .desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)",
1679
    .init = musicpal_init,
1680
    DEFAULT_MACHINE_OPTIONS,
1681
};
1682

    
1683
static void musicpal_machine_init(void)
1684
{
1685
    qemu_register_machine(&musicpal_machine);
1686
}
1687

    
1688
machine_init(musicpal_machine_init);
1689

    
1690
static void mv88w8618_wlan_class_init(ObjectClass *klass, void *data)
1691
{
1692
    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
1693

    
1694
    sdc->init = mv88w8618_wlan_init;
1695
}
1696

    
1697
static const TypeInfo mv88w8618_wlan_info = {
1698
    .name          = "mv88w8618_wlan",
1699
    .parent        = TYPE_SYS_BUS_DEVICE,
1700
    .instance_size = sizeof(SysBusDevice),
1701
    .class_init    = mv88w8618_wlan_class_init,
1702
};
1703

    
1704
static void musicpal_register_types(void)
1705
{
1706
    type_register_static(&mv88w8618_pic_info);
1707
    type_register_static(&mv88w8618_pit_info);
1708
    type_register_static(&mv88w8618_flashcfg_info);
1709
    type_register_static(&mv88w8618_eth_info);
1710
    type_register_static(&mv88w8618_wlan_info);
1711
    type_register_static(&musicpal_lcd_info);
1712
    type_register_static(&musicpal_gpio_info);
1713
    type_register_static(&musicpal_key_info);
1714
    type_register_static(&musicpal_misc_info);
1715
}
1716

    
1717
type_init(musicpal_register_types)