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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.
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 */
11

    
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#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

    
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#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

    
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#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

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

    
64
#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
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#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
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#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
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#define MP_ETH_CTDP0            0x4E0
94
#define MP_ETH_CTDP1            0x4E4
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#define MP_ETH_CTDP2            0x4E8
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#define MP_ETH_CTDP3            0x4EC
97

    
98
/* MII PHY access */
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#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
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#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 */
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#define MP_ETH_RX_OWN           (1 << 31)
119

    
120
/* Interrupt cause/mask bits */
121
#define MP_ETH_IRQ_RX_BIT       0
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#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, 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, 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, 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, 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, NULL, &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 const GraphicHwOps musicpal_gfx_ops = {
605
    .invalidate  = lcd_invalidate,
606
    .gfx_update  = lcd_refresh,
607
};
608

    
609
static int musicpal_lcd_init(SysBusDevice *dev)
610
{
611
    musicpal_lcd_state *s = FROM_SYSBUS(musicpal_lcd_state, dev);
612

    
613
    s->brightness = 7;
614

    
615
    memory_region_init_io(&s->iomem, NULL, &musicpal_lcd_ops, s,
616
                          "musicpal-lcd", MP_LCD_SIZE);
617
    sysbus_init_mmio(dev, &s->iomem);
618

    
619
    s->con = graphic_console_init(DEVICE(dev), &musicpal_gfx_ops, s);
620
    qemu_console_resize(s->con, 128*3, 64*3);
621

    
622
    qdev_init_gpio_in(&dev->qdev, musicpal_lcd_gpio_brigthness_in, 3);
623

    
624
    return 0;
625
}
626

    
627
static const VMStateDescription musicpal_lcd_vmsd = {
628
    .name = "musicpal_lcd",
629
    .version_id = 1,
630
    .minimum_version_id = 1,
631
    .minimum_version_id_old = 1,
632
    .fields = (VMStateField[]) {
633
        VMSTATE_UINT32(brightness, musicpal_lcd_state),
634
        VMSTATE_UINT32(mode, musicpal_lcd_state),
635
        VMSTATE_UINT32(irqctrl, musicpal_lcd_state),
636
        VMSTATE_UINT32(page, musicpal_lcd_state),
637
        VMSTATE_UINT32(page_off, musicpal_lcd_state),
638
        VMSTATE_BUFFER(video_ram, musicpal_lcd_state),
639
        VMSTATE_END_OF_LIST()
640
    }
641
};
642

    
643
static void musicpal_lcd_class_init(ObjectClass *klass, void *data)
644
{
645
    DeviceClass *dc = DEVICE_CLASS(klass);
646
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
647

    
648
    k->init = musicpal_lcd_init;
649
    dc->vmsd = &musicpal_lcd_vmsd;
650
}
651

    
652
static const TypeInfo musicpal_lcd_info = {
653
    .name          = "musicpal_lcd",
654
    .parent        = TYPE_SYS_BUS_DEVICE,
655
    .instance_size = sizeof(musicpal_lcd_state),
656
    .class_init    = musicpal_lcd_class_init,
657
};
658

    
659
/* PIC register offsets */
660
#define MP_PIC_STATUS           0x00
661
#define MP_PIC_ENABLE_SET       0x08
662
#define MP_PIC_ENABLE_CLR       0x0C
663

    
664
typedef struct mv88w8618_pic_state
665
{
666
    SysBusDevice busdev;
667
    MemoryRegion iomem;
668
    uint32_t level;
669
    uint32_t enabled;
670
    qemu_irq parent_irq;
671
} mv88w8618_pic_state;
672

    
673
static void mv88w8618_pic_update(mv88w8618_pic_state *s)
674
{
675
    qemu_set_irq(s->parent_irq, (s->level & s->enabled));
676
}
677

    
678
static void mv88w8618_pic_set_irq(void *opaque, int irq, int level)
679
{
680
    mv88w8618_pic_state *s = opaque;
681

    
682
    if (level) {
683
        s->level |= 1 << irq;
684
    } else {
685
        s->level &= ~(1 << irq);
686
    }
687
    mv88w8618_pic_update(s);
688
}
689

    
690
static uint64_t mv88w8618_pic_read(void *opaque, hwaddr offset,
691
                                   unsigned size)
692
{
693
    mv88w8618_pic_state *s = opaque;
694

    
695
    switch (offset) {
696
    case MP_PIC_STATUS:
697
        return s->level & s->enabled;
698

    
699
    default:
700
        return 0;
701
    }
702
}
703

    
704
static void mv88w8618_pic_write(void *opaque, hwaddr offset,
705
                                uint64_t value, unsigned size)
706
{
707
    mv88w8618_pic_state *s = opaque;
708

    
709
    switch (offset) {
710
    case MP_PIC_ENABLE_SET:
711
        s->enabled |= value;
712
        break;
713

    
714
    case MP_PIC_ENABLE_CLR:
715
        s->enabled &= ~value;
716
        s->level &= ~value;
717
        break;
718
    }
719
    mv88w8618_pic_update(s);
720
}
721

    
722
static void mv88w8618_pic_reset(DeviceState *d)
723
{
724
    mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state,
725
                                         SYS_BUS_DEVICE(d));
726

    
727
    s->level = 0;
728
    s->enabled = 0;
729
}
730

    
731
static const MemoryRegionOps mv88w8618_pic_ops = {
732
    .read = mv88w8618_pic_read,
733
    .write = mv88w8618_pic_write,
734
    .endianness = DEVICE_NATIVE_ENDIAN,
735
};
736

    
737
static int mv88w8618_pic_init(SysBusDevice *dev)
738
{
739
    mv88w8618_pic_state *s = FROM_SYSBUS(mv88w8618_pic_state, dev);
740

    
741
    qdev_init_gpio_in(&dev->qdev, mv88w8618_pic_set_irq, 32);
742
    sysbus_init_irq(dev, &s->parent_irq);
743
    memory_region_init_io(&s->iomem, NULL, &mv88w8618_pic_ops, s,
744
                          "musicpal-pic", MP_PIC_SIZE);
745
    sysbus_init_mmio(dev, &s->iomem);
746
    return 0;
747
}
748

    
749
static const VMStateDescription mv88w8618_pic_vmsd = {
750
    .name = "mv88w8618_pic",
751
    .version_id = 1,
752
    .minimum_version_id = 1,
753
    .minimum_version_id_old = 1,
754
    .fields = (VMStateField[]) {
755
        VMSTATE_UINT32(level, mv88w8618_pic_state),
756
        VMSTATE_UINT32(enabled, mv88w8618_pic_state),
757
        VMSTATE_END_OF_LIST()
758
    }
759
};
760

    
761
static void mv88w8618_pic_class_init(ObjectClass *klass, void *data)
762
{
763
    DeviceClass *dc = DEVICE_CLASS(klass);
764
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
765

    
766
    k->init = mv88w8618_pic_init;
767
    dc->reset = mv88w8618_pic_reset;
768
    dc->vmsd = &mv88w8618_pic_vmsd;
769
}
770

    
771
static const TypeInfo mv88w8618_pic_info = {
772
    .name          = "mv88w8618_pic",
773
    .parent        = TYPE_SYS_BUS_DEVICE,
774
    .instance_size = sizeof(mv88w8618_pic_state),
775
    .class_init    = mv88w8618_pic_class_init,
776
};
777

    
778
/* PIT register offsets */
779
#define MP_PIT_TIMER1_LENGTH    0x00
780
/* ... */
781
#define MP_PIT_TIMER4_LENGTH    0x0C
782
#define MP_PIT_CONTROL          0x10
783
#define MP_PIT_TIMER1_VALUE     0x14
784
/* ... */
785
#define MP_PIT_TIMER4_VALUE     0x20
786
#define MP_BOARD_RESET          0x34
787

    
788
/* Magic board reset value (probably some watchdog behind it) */
789
#define MP_BOARD_RESET_MAGIC    0x10000
790

    
791
typedef struct mv88w8618_timer_state {
792
    ptimer_state *ptimer;
793
    uint32_t limit;
794
    int freq;
795
    qemu_irq irq;
796
} mv88w8618_timer_state;
797

    
798
typedef struct mv88w8618_pit_state {
799
    SysBusDevice busdev;
800
    MemoryRegion iomem;
801
    mv88w8618_timer_state timer[4];
802
} mv88w8618_pit_state;
803

    
804
static void mv88w8618_timer_tick(void *opaque)
805
{
806
    mv88w8618_timer_state *s = opaque;
807

    
808
    qemu_irq_raise(s->irq);
809
}
810

    
811
static void mv88w8618_timer_init(SysBusDevice *dev, mv88w8618_timer_state *s,
812
                                 uint32_t freq)
813
{
814
    QEMUBH *bh;
815

    
816
    sysbus_init_irq(dev, &s->irq);
817
    s->freq = freq;
818

    
819
    bh = qemu_bh_new(mv88w8618_timer_tick, s);
820
    s->ptimer = ptimer_init(bh);
821
}
822

    
823
static uint64_t mv88w8618_pit_read(void *opaque, hwaddr offset,
824
                                   unsigned size)
825
{
826
    mv88w8618_pit_state *s = opaque;
827
    mv88w8618_timer_state *t;
828

    
829
    switch (offset) {
830
    case MP_PIT_TIMER1_VALUE ... MP_PIT_TIMER4_VALUE:
831
        t = &s->timer[(offset-MP_PIT_TIMER1_VALUE) >> 2];
832
        return ptimer_get_count(t->ptimer);
833

    
834
    default:
835
        return 0;
836
    }
837
}
838

    
839
static void mv88w8618_pit_write(void *opaque, hwaddr offset,
840
                                uint64_t value, unsigned size)
841
{
842
    mv88w8618_pit_state *s = opaque;
843
    mv88w8618_timer_state *t;
844
    int i;
845

    
846
    switch (offset) {
847
    case MP_PIT_TIMER1_LENGTH ... MP_PIT_TIMER4_LENGTH:
848
        t = &s->timer[offset >> 2];
849
        t->limit = value;
850
        if (t->limit > 0) {
851
            ptimer_set_limit(t->ptimer, t->limit, 1);
852
        } else {
853
            ptimer_stop(t->ptimer);
854
        }
855
        break;
856

    
857
    case MP_PIT_CONTROL:
858
        for (i = 0; i < 4; i++) {
859
            t = &s->timer[i];
860
            if (value & 0xf && t->limit > 0) {
861
                ptimer_set_limit(t->ptimer, t->limit, 0);
862
                ptimer_set_freq(t->ptimer, t->freq);
863
                ptimer_run(t->ptimer, 0);
864
            } else {
865
                ptimer_stop(t->ptimer);
866
            }
867
            value >>= 4;
868
        }
869
        break;
870

    
871
    case MP_BOARD_RESET:
872
        if (value == MP_BOARD_RESET_MAGIC) {
873
            qemu_system_reset_request();
874
        }
875
        break;
876
    }
877
}
878

    
879
static void mv88w8618_pit_reset(DeviceState *d)
880
{
881
    mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state,
882
                                         SYS_BUS_DEVICE(d));
883
    int i;
884

    
885
    for (i = 0; i < 4; i++) {
886
        ptimer_stop(s->timer[i].ptimer);
887
        s->timer[i].limit = 0;
888
    }
889
}
890

    
891
static const MemoryRegionOps mv88w8618_pit_ops = {
892
    .read = mv88w8618_pit_read,
893
    .write = mv88w8618_pit_write,
894
    .endianness = DEVICE_NATIVE_ENDIAN,
895
};
896

    
897
static int mv88w8618_pit_init(SysBusDevice *dev)
898
{
899
    mv88w8618_pit_state *s = FROM_SYSBUS(mv88w8618_pit_state, dev);
900
    int i;
901

    
902
    /* Letting them all run at 1 MHz is likely just a pragmatic
903
     * simplification. */
904
    for (i = 0; i < 4; i++) {
905
        mv88w8618_timer_init(dev, &s->timer[i], 1000000);
906
    }
907

    
908
    memory_region_init_io(&s->iomem, NULL, &mv88w8618_pit_ops, s,
909
                          "musicpal-pit", MP_PIT_SIZE);
910
    sysbus_init_mmio(dev, &s->iomem);
911
    return 0;
912
}
913

    
914
static const VMStateDescription mv88w8618_timer_vmsd = {
915
    .name = "timer",
916
    .version_id = 1,
917
    .minimum_version_id = 1,
918
    .minimum_version_id_old = 1,
919
    .fields = (VMStateField[]) {
920
        VMSTATE_PTIMER(ptimer, mv88w8618_timer_state),
921
        VMSTATE_UINT32(limit, mv88w8618_timer_state),
922
        VMSTATE_END_OF_LIST()
923
    }
924
};
925

    
926
static const VMStateDescription mv88w8618_pit_vmsd = {
927
    .name = "mv88w8618_pit",
928
    .version_id = 1,
929
    .minimum_version_id = 1,
930
    .minimum_version_id_old = 1,
931
    .fields = (VMStateField[]) {
932
        VMSTATE_STRUCT_ARRAY(timer, mv88w8618_pit_state, 4, 1,
933
                             mv88w8618_timer_vmsd, mv88w8618_timer_state),
934
        VMSTATE_END_OF_LIST()
935
    }
936
};
937

    
938
static void mv88w8618_pit_class_init(ObjectClass *klass, void *data)
939
{
940
    DeviceClass *dc = DEVICE_CLASS(klass);
941
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
942

    
943
    k->init = mv88w8618_pit_init;
944
    dc->reset = mv88w8618_pit_reset;
945
    dc->vmsd = &mv88w8618_pit_vmsd;
946
}
947

    
948
static const TypeInfo mv88w8618_pit_info = {
949
    .name          = "mv88w8618_pit",
950
    .parent        = TYPE_SYS_BUS_DEVICE,
951
    .instance_size = sizeof(mv88w8618_pit_state),
952
    .class_init    = mv88w8618_pit_class_init,
953
};
954

    
955
/* Flash config register offsets */
956
#define MP_FLASHCFG_CFGR0    0x04
957

    
958
typedef struct mv88w8618_flashcfg_state {
959
    SysBusDevice busdev;
960
    MemoryRegion iomem;
961
    uint32_t cfgr0;
962
} mv88w8618_flashcfg_state;
963

    
964
static uint64_t mv88w8618_flashcfg_read(void *opaque,
965
                                        hwaddr offset,
966
                                        unsigned size)
967
{
968
    mv88w8618_flashcfg_state *s = opaque;
969

    
970
    switch (offset) {
971
    case MP_FLASHCFG_CFGR0:
972
        return s->cfgr0;
973

    
974
    default:
975
        return 0;
976
    }
977
}
978

    
979
static void mv88w8618_flashcfg_write(void *opaque, hwaddr offset,
980
                                     uint64_t value, unsigned size)
981
{
982
    mv88w8618_flashcfg_state *s = opaque;
983

    
984
    switch (offset) {
985
    case MP_FLASHCFG_CFGR0:
986
        s->cfgr0 = value;
987
        break;
988
    }
989
}
990

    
991
static const MemoryRegionOps mv88w8618_flashcfg_ops = {
992
    .read = mv88w8618_flashcfg_read,
993
    .write = mv88w8618_flashcfg_write,
994
    .endianness = DEVICE_NATIVE_ENDIAN,
995
};
996

    
997
static int mv88w8618_flashcfg_init(SysBusDevice *dev)
998
{
999
    mv88w8618_flashcfg_state *s = FROM_SYSBUS(mv88w8618_flashcfg_state, dev);
1000

    
1001
    s->cfgr0 = 0xfffe4285; /* Default as set by U-Boot for 8 MB flash */
1002
    memory_region_init_io(&s->iomem, NULL, &mv88w8618_flashcfg_ops, s,
1003
                          "musicpal-flashcfg", MP_FLASHCFG_SIZE);
1004
    sysbus_init_mmio(dev, &s->iomem);
1005
    return 0;
1006
}
1007

    
1008
static const VMStateDescription mv88w8618_flashcfg_vmsd = {
1009
    .name = "mv88w8618_flashcfg",
1010
    .version_id = 1,
1011
    .minimum_version_id = 1,
1012
    .minimum_version_id_old = 1,
1013
    .fields = (VMStateField[]) {
1014
        VMSTATE_UINT32(cfgr0, mv88w8618_flashcfg_state),
1015
        VMSTATE_END_OF_LIST()
1016
    }
1017
};
1018

    
1019
static void mv88w8618_flashcfg_class_init(ObjectClass *klass, void *data)
1020
{
1021
    DeviceClass *dc = DEVICE_CLASS(klass);
1022
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1023

    
1024
    k->init = mv88w8618_flashcfg_init;
1025
    dc->vmsd = &mv88w8618_flashcfg_vmsd;
1026
}
1027

    
1028
static const TypeInfo mv88w8618_flashcfg_info = {
1029
    .name          = "mv88w8618_flashcfg",
1030
    .parent        = TYPE_SYS_BUS_DEVICE,
1031
    .instance_size = sizeof(mv88w8618_flashcfg_state),
1032
    .class_init    = mv88w8618_flashcfg_class_init,
1033
};
1034

    
1035
/* Misc register offsets */
1036
#define MP_MISC_BOARD_REVISION  0x18
1037

    
1038
#define MP_BOARD_REVISION       0x31
1039

    
1040
typedef struct {
1041
    SysBusDevice parent_obj;
1042
    MemoryRegion iomem;
1043
} MusicPalMiscState;
1044

    
1045
#define TYPE_MUSICPAL_MISC "musicpal-misc"
1046
#define MUSICPAL_MISC(obj) \
1047
     OBJECT_CHECK(MusicPalMiscState, (obj), TYPE_MUSICPAL_MISC)
1048

    
1049
static uint64_t musicpal_misc_read(void *opaque, hwaddr offset,
1050
                                   unsigned size)
1051
{
1052
    switch (offset) {
1053
    case MP_MISC_BOARD_REVISION:
1054
        return MP_BOARD_REVISION;
1055

    
1056
    default:
1057
        return 0;
1058
    }
1059
}
1060

    
1061
static void musicpal_misc_write(void *opaque, hwaddr offset,
1062
                                uint64_t value, unsigned size)
1063
{
1064
}
1065

    
1066
static const MemoryRegionOps musicpal_misc_ops = {
1067
    .read = musicpal_misc_read,
1068
    .write = musicpal_misc_write,
1069
    .endianness = DEVICE_NATIVE_ENDIAN,
1070
};
1071

    
1072
static void musicpal_misc_init(Object *obj)
1073
{
1074
    SysBusDevice *sd = SYS_BUS_DEVICE(obj);
1075
    MusicPalMiscState *s = MUSICPAL_MISC(obj);
1076

    
1077
    memory_region_init_io(&s->iomem, NULL, &musicpal_misc_ops, NULL,
1078
                          "musicpal-misc", MP_MISC_SIZE);
1079
    sysbus_init_mmio(sd, &s->iomem);
1080
}
1081

    
1082
static const TypeInfo musicpal_misc_info = {
1083
    .name = TYPE_MUSICPAL_MISC,
1084
    .parent = TYPE_SYS_BUS_DEVICE,
1085
    .instance_init = musicpal_misc_init,
1086
    .instance_size = sizeof(MusicPalMiscState),
1087
};
1088

    
1089
/* WLAN register offsets */
1090
#define MP_WLAN_MAGIC1          0x11c
1091
#define MP_WLAN_MAGIC2          0x124
1092

    
1093
static uint64_t mv88w8618_wlan_read(void *opaque, hwaddr offset,
1094
                                    unsigned size)
1095
{
1096
    switch (offset) {
1097
    /* Workaround to allow loading the binary-only wlandrv.ko crap
1098
     * from the original Freecom firmware. */
1099
    case MP_WLAN_MAGIC1:
1100
        return ~3;
1101
    case MP_WLAN_MAGIC2:
1102
        return -1;
1103

    
1104
    default:
1105
        return 0;
1106
    }
1107
}
1108

    
1109
static void mv88w8618_wlan_write(void *opaque, hwaddr offset,
1110
                                 uint64_t value, unsigned size)
1111
{
1112
}
1113

    
1114
static const MemoryRegionOps mv88w8618_wlan_ops = {
1115
    .read = mv88w8618_wlan_read,
1116
    .write =mv88w8618_wlan_write,
1117
    .endianness = DEVICE_NATIVE_ENDIAN,
1118
};
1119

    
1120
static int mv88w8618_wlan_init(SysBusDevice *dev)
1121
{
1122
    MemoryRegion *iomem = g_new(MemoryRegion, 1);
1123

    
1124
    memory_region_init_io(iomem, NULL, &mv88w8618_wlan_ops, NULL,
1125
                          "musicpal-wlan", MP_WLAN_SIZE);
1126
    sysbus_init_mmio(dev, iomem);
1127
    return 0;
1128
}
1129

    
1130
/* GPIO register offsets */
1131
#define MP_GPIO_OE_LO           0x008
1132
#define MP_GPIO_OUT_LO          0x00c
1133
#define MP_GPIO_IN_LO           0x010
1134
#define MP_GPIO_IER_LO          0x014
1135
#define MP_GPIO_IMR_LO          0x018
1136
#define MP_GPIO_ISR_LO          0x020
1137
#define MP_GPIO_OE_HI           0x508
1138
#define MP_GPIO_OUT_HI          0x50c
1139
#define MP_GPIO_IN_HI           0x510
1140
#define MP_GPIO_IER_HI          0x514
1141
#define MP_GPIO_IMR_HI          0x518
1142
#define MP_GPIO_ISR_HI          0x520
1143

    
1144
/* GPIO bits & masks */
1145
#define MP_GPIO_LCD_BRIGHTNESS  0x00070000
1146
#define MP_GPIO_I2C_DATA_BIT    29
1147
#define MP_GPIO_I2C_CLOCK_BIT   30
1148

    
1149
/* LCD brightness bits in GPIO_OE_HI */
1150
#define MP_OE_LCD_BRIGHTNESS    0x0007
1151

    
1152
typedef struct musicpal_gpio_state {
1153
    SysBusDevice busdev;
1154
    MemoryRegion iomem;
1155
    uint32_t lcd_brightness;
1156
    uint32_t out_state;
1157
    uint32_t in_state;
1158
    uint32_t ier;
1159
    uint32_t imr;
1160
    uint32_t isr;
1161
    qemu_irq irq;
1162
    qemu_irq out[5]; /* 3 brightness out + 2 lcd (data and clock ) */
1163
} musicpal_gpio_state;
1164

    
1165
static void musicpal_gpio_brightness_update(musicpal_gpio_state *s) {
1166
    int i;
1167
    uint32_t brightness;
1168

    
1169
    /* compute brightness ratio */
1170
    switch (s->lcd_brightness) {
1171
    case 0x00000007:
1172
        brightness = 0;
1173
        break;
1174

    
1175
    case 0x00020000:
1176
        brightness = 1;
1177
        break;
1178

    
1179
    case 0x00020001:
1180
        brightness = 2;
1181
        break;
1182

    
1183
    case 0x00040000:
1184
        brightness = 3;
1185
        break;
1186

    
1187
    case 0x00010006:
1188
        brightness = 4;
1189
        break;
1190

    
1191
    case 0x00020005:
1192
        brightness = 5;
1193
        break;
1194

    
1195
    case 0x00040003:
1196
        brightness = 6;
1197
        break;
1198

    
1199
    case 0x00030004:
1200
    default:
1201
        brightness = 7;
1202
    }
1203

    
1204
    /* set lcd brightness GPIOs  */
1205
    for (i = 0; i <= 2; i++) {
1206
        qemu_set_irq(s->out[i], (brightness >> i) & 1);
1207
    }
1208
}
1209

    
1210
static void musicpal_gpio_pin_event(void *opaque, int pin, int level)
1211
{
1212
    musicpal_gpio_state *s = opaque;
1213
    uint32_t mask = 1 << pin;
1214
    uint32_t delta = level << pin;
1215
    uint32_t old = s->in_state & mask;
1216

    
1217
    s->in_state &= ~mask;
1218
    s->in_state |= delta;
1219

    
1220
    if ((old ^ delta) &&
1221
        ((level && (s->imr & mask)) || (!level && (s->ier & mask)))) {
1222
        s->isr = mask;
1223
        qemu_irq_raise(s->irq);
1224
    }
1225
}
1226

    
1227
static uint64_t musicpal_gpio_read(void *opaque, hwaddr offset,
1228
                                   unsigned size)
1229
{
1230
    musicpal_gpio_state *s = opaque;
1231

    
1232
    switch (offset) {
1233
    case MP_GPIO_OE_HI: /* used for LCD brightness control */
1234
        return s->lcd_brightness & MP_OE_LCD_BRIGHTNESS;
1235

    
1236
    case MP_GPIO_OUT_LO:
1237
        return s->out_state & 0xFFFF;
1238
    case MP_GPIO_OUT_HI:
1239
        return s->out_state >> 16;
1240

    
1241
    case MP_GPIO_IN_LO:
1242
        return s->in_state & 0xFFFF;
1243
    case MP_GPIO_IN_HI:
1244
        return s->in_state >> 16;
1245

    
1246
    case MP_GPIO_IER_LO:
1247
        return s->ier & 0xFFFF;
1248
    case MP_GPIO_IER_HI:
1249
        return s->ier >> 16;
1250

    
1251
    case MP_GPIO_IMR_LO:
1252
        return s->imr & 0xFFFF;
1253
    case MP_GPIO_IMR_HI:
1254
        return s->imr >> 16;
1255

    
1256
    case MP_GPIO_ISR_LO:
1257
        return s->isr & 0xFFFF;
1258
    case MP_GPIO_ISR_HI:
1259
        return s->isr >> 16;
1260

    
1261
    default:
1262
        return 0;
1263
    }
1264
}
1265

    
1266
static void musicpal_gpio_write(void *opaque, hwaddr offset,
1267
                                uint64_t value, unsigned size)
1268
{
1269
    musicpal_gpio_state *s = opaque;
1270
    switch (offset) {
1271
    case MP_GPIO_OE_HI: /* used for LCD brightness control */
1272
        s->lcd_brightness = (s->lcd_brightness & MP_GPIO_LCD_BRIGHTNESS) |
1273
                         (value & MP_OE_LCD_BRIGHTNESS);
1274
        musicpal_gpio_brightness_update(s);
1275
        break;
1276

    
1277
    case MP_GPIO_OUT_LO:
1278
        s->out_state = (s->out_state & 0xFFFF0000) | (value & 0xFFFF);
1279
        break;
1280
    case MP_GPIO_OUT_HI:
1281
        s->out_state = (s->out_state & 0xFFFF) | (value << 16);
1282
        s->lcd_brightness = (s->lcd_brightness & 0xFFFF) |
1283
                            (s->out_state & MP_GPIO_LCD_BRIGHTNESS);
1284
        musicpal_gpio_brightness_update(s);
1285
        qemu_set_irq(s->out[3], (s->out_state >> MP_GPIO_I2C_DATA_BIT) & 1);
1286
        qemu_set_irq(s->out[4], (s->out_state >> MP_GPIO_I2C_CLOCK_BIT) & 1);
1287
        break;
1288

    
1289
    case MP_GPIO_IER_LO:
1290
        s->ier = (s->ier & 0xFFFF0000) | (value & 0xFFFF);
1291
        break;
1292
    case MP_GPIO_IER_HI:
1293
        s->ier = (s->ier & 0xFFFF) | (value << 16);
1294
        break;
1295

    
1296
    case MP_GPIO_IMR_LO:
1297
        s->imr = (s->imr & 0xFFFF0000) | (value & 0xFFFF);
1298
        break;
1299
    case MP_GPIO_IMR_HI:
1300
        s->imr = (s->imr & 0xFFFF) | (value << 16);
1301
        break;
1302
    }
1303
}
1304

    
1305
static const MemoryRegionOps musicpal_gpio_ops = {
1306
    .read = musicpal_gpio_read,
1307
    .write = musicpal_gpio_write,
1308
    .endianness = DEVICE_NATIVE_ENDIAN,
1309
};
1310

    
1311
static void musicpal_gpio_reset(DeviceState *d)
1312
{
1313
    musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state,
1314
                                         SYS_BUS_DEVICE(d));
1315

    
1316
    s->lcd_brightness = 0;
1317
    s->out_state = 0;
1318
    s->in_state = 0xffffffff;
1319
    s->ier = 0;
1320
    s->imr = 0;
1321
    s->isr = 0;
1322
}
1323

    
1324
static int musicpal_gpio_init(SysBusDevice *dev)
1325
{
1326
    musicpal_gpio_state *s = FROM_SYSBUS(musicpal_gpio_state, dev);
1327

    
1328
    sysbus_init_irq(dev, &s->irq);
1329

    
1330
    memory_region_init_io(&s->iomem, NULL, &musicpal_gpio_ops, s,
1331
                          "musicpal-gpio", MP_GPIO_SIZE);
1332
    sysbus_init_mmio(dev, &s->iomem);
1333

    
1334
    qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
1335

    
1336
    qdev_init_gpio_in(&dev->qdev, musicpal_gpio_pin_event, 32);
1337

    
1338
    return 0;
1339
}
1340

    
1341
static const VMStateDescription musicpal_gpio_vmsd = {
1342
    .name = "musicpal_gpio",
1343
    .version_id = 1,
1344
    .minimum_version_id = 1,
1345
    .minimum_version_id_old = 1,
1346
    .fields = (VMStateField[]) {
1347
        VMSTATE_UINT32(lcd_brightness, musicpal_gpio_state),
1348
        VMSTATE_UINT32(out_state, musicpal_gpio_state),
1349
        VMSTATE_UINT32(in_state, musicpal_gpio_state),
1350
        VMSTATE_UINT32(ier, musicpal_gpio_state),
1351
        VMSTATE_UINT32(imr, musicpal_gpio_state),
1352
        VMSTATE_UINT32(isr, musicpal_gpio_state),
1353
        VMSTATE_END_OF_LIST()
1354
    }
1355
};
1356

    
1357
static void musicpal_gpio_class_init(ObjectClass *klass, void *data)
1358
{
1359
    DeviceClass *dc = DEVICE_CLASS(klass);
1360
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1361

    
1362
    k->init = musicpal_gpio_init;
1363
    dc->reset = musicpal_gpio_reset;
1364
    dc->vmsd = &musicpal_gpio_vmsd;
1365
}
1366

    
1367
static const TypeInfo musicpal_gpio_info = {
1368
    .name          = "musicpal_gpio",
1369
    .parent        = TYPE_SYS_BUS_DEVICE,
1370
    .instance_size = sizeof(musicpal_gpio_state),
1371
    .class_init    = musicpal_gpio_class_init,
1372
};
1373

    
1374
/* Keyboard codes & masks */
1375
#define KEY_RELEASED            0x80
1376
#define KEY_CODE                0x7f
1377

    
1378
#define KEYCODE_TAB             0x0f
1379
#define KEYCODE_ENTER           0x1c
1380
#define KEYCODE_F               0x21
1381
#define KEYCODE_M               0x32
1382

    
1383
#define KEYCODE_EXTENDED        0xe0
1384
#define KEYCODE_UP              0x48
1385
#define KEYCODE_DOWN            0x50
1386
#define KEYCODE_LEFT            0x4b
1387
#define KEYCODE_RIGHT           0x4d
1388

    
1389
#define MP_KEY_WHEEL_VOL       (1 << 0)
1390
#define MP_KEY_WHEEL_VOL_INV   (1 << 1)
1391
#define MP_KEY_WHEEL_NAV       (1 << 2)
1392
#define MP_KEY_WHEEL_NAV_INV   (1 << 3)
1393
#define MP_KEY_BTN_FAVORITS    (1 << 4)
1394
#define MP_KEY_BTN_MENU        (1 << 5)
1395
#define MP_KEY_BTN_VOLUME      (1 << 6)
1396
#define MP_KEY_BTN_NAVIGATION  (1 << 7)
1397

    
1398
typedef struct musicpal_key_state {
1399
    SysBusDevice busdev;
1400
    MemoryRegion iomem;
1401
    uint32_t kbd_extended;
1402
    uint32_t pressed_keys;
1403
    qemu_irq out[8];
1404
} musicpal_key_state;
1405

    
1406
static void musicpal_key_event(void *opaque, int keycode)
1407
{
1408
    musicpal_key_state *s = opaque;
1409
    uint32_t event = 0;
1410
    int i;
1411

    
1412
    if (keycode == KEYCODE_EXTENDED) {
1413
        s->kbd_extended = 1;
1414
        return;
1415
    }
1416

    
1417
    if (s->kbd_extended) {
1418
        switch (keycode & KEY_CODE) {
1419
        case KEYCODE_UP:
1420
            event = MP_KEY_WHEEL_NAV | MP_KEY_WHEEL_NAV_INV;
1421
            break;
1422

    
1423
        case KEYCODE_DOWN:
1424
            event = MP_KEY_WHEEL_NAV;
1425
            break;
1426

    
1427
        case KEYCODE_LEFT:
1428
            event = MP_KEY_WHEEL_VOL | MP_KEY_WHEEL_VOL_INV;
1429
            break;
1430

    
1431
        case KEYCODE_RIGHT:
1432
            event = MP_KEY_WHEEL_VOL;
1433
            break;
1434
        }
1435
    } else {
1436
        switch (keycode & KEY_CODE) {
1437
        case KEYCODE_F:
1438
            event = MP_KEY_BTN_FAVORITS;
1439
            break;
1440

    
1441
        case KEYCODE_TAB:
1442
            event = MP_KEY_BTN_VOLUME;
1443
            break;
1444

    
1445
        case KEYCODE_ENTER:
1446
            event = MP_KEY_BTN_NAVIGATION;
1447
            break;
1448

    
1449
        case KEYCODE_M:
1450
            event = MP_KEY_BTN_MENU;
1451
            break;
1452
        }
1453
        /* Do not repeat already pressed buttons */
1454
        if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1455
            event = 0;
1456
        }
1457
    }
1458

    
1459
    if (event) {
1460
        /* Raise GPIO pin first if repeating a key */
1461
        if (!(keycode & KEY_RELEASED) && (s->pressed_keys & event)) {
1462
            for (i = 0; i <= 7; i++) {
1463
                if (event & (1 << i)) {
1464
                    qemu_set_irq(s->out[i], 1);
1465
                }
1466
            }
1467
        }
1468
        for (i = 0; i <= 7; i++) {
1469
            if (event & (1 << i)) {
1470
                qemu_set_irq(s->out[i], !!(keycode & KEY_RELEASED));
1471
            }
1472
        }
1473
        if (keycode & KEY_RELEASED) {
1474
            s->pressed_keys &= ~event;
1475
        } else {
1476
            s->pressed_keys |= event;
1477
        }
1478
    }
1479

    
1480
    s->kbd_extended = 0;
1481
}
1482

    
1483
static int musicpal_key_init(SysBusDevice *dev)
1484
{
1485
    musicpal_key_state *s = FROM_SYSBUS(musicpal_key_state, dev);
1486

    
1487
    memory_region_init(&s->iomem, NULL, "dummy", 0);
1488
    sysbus_init_mmio(dev, &s->iomem);
1489

    
1490
    s->kbd_extended = 0;
1491
    s->pressed_keys = 0;
1492

    
1493
    qdev_init_gpio_out(&dev->qdev, s->out, ARRAY_SIZE(s->out));
1494

    
1495
    qemu_add_kbd_event_handler(musicpal_key_event, s);
1496

    
1497
    return 0;
1498
}
1499

    
1500
static const VMStateDescription musicpal_key_vmsd = {
1501
    .name = "musicpal_key",
1502
    .version_id = 1,
1503
    .minimum_version_id = 1,
1504
    .minimum_version_id_old = 1,
1505
    .fields = (VMStateField[]) {
1506
        VMSTATE_UINT32(kbd_extended, musicpal_key_state),
1507
        VMSTATE_UINT32(pressed_keys, musicpal_key_state),
1508
        VMSTATE_END_OF_LIST()
1509
    }
1510
};
1511

    
1512
static void musicpal_key_class_init(ObjectClass *klass, void *data)
1513
{
1514
    DeviceClass *dc = DEVICE_CLASS(klass);
1515
    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
1516

    
1517
    k->init = musicpal_key_init;
1518
    dc->vmsd = &musicpal_key_vmsd;
1519
}
1520

    
1521
static const TypeInfo musicpal_key_info = {
1522
    .name          = "musicpal_key",
1523
    .parent        = TYPE_SYS_BUS_DEVICE,
1524
    .instance_size = sizeof(musicpal_key_state),
1525
    .class_init    = musicpal_key_class_init,
1526
};
1527

    
1528
static struct arm_boot_info musicpal_binfo = {
1529
    .loader_start = 0x0,
1530
    .board_id = 0x20e,
1531
};
1532

    
1533
static void musicpal_init(QEMUMachineInitArgs *args)
1534
{
1535
    const char *cpu_model = args->cpu_model;
1536
    const char *kernel_filename = args->kernel_filename;
1537
    const char *kernel_cmdline = args->kernel_cmdline;
1538
    const char *initrd_filename = args->initrd_filename;
1539
    ARMCPU *cpu;
1540
    qemu_irq *cpu_pic;
1541
    qemu_irq pic[32];
1542
    DeviceState *dev;
1543
    DeviceState *i2c_dev;
1544
    DeviceState *lcd_dev;
1545
    DeviceState *key_dev;
1546
    DeviceState *wm8750_dev;
1547
    SysBusDevice *s;
1548
    i2c_bus *i2c;
1549
    int i;
1550
    unsigned long flash_size;
1551
    DriveInfo *dinfo;
1552
    MemoryRegion *address_space_mem = get_system_memory();
1553
    MemoryRegion *ram = g_new(MemoryRegion, 1);
1554
    MemoryRegion *sram = g_new(MemoryRegion, 1);
1555

    
1556
    if (!cpu_model) {
1557
        cpu_model = "arm926";
1558
    }
1559
    cpu = cpu_arm_init(cpu_model);
1560
    if (!cpu) {
1561
        fprintf(stderr, "Unable to find CPU definition\n");
1562
        exit(1);
1563
    }
1564
    cpu_pic = arm_pic_init_cpu(cpu);
1565

    
1566
    /* For now we use a fixed - the original - RAM size */
1567
    memory_region_init_ram(ram, NULL, "musicpal.ram", MP_RAM_DEFAULT_SIZE);
1568
    vmstate_register_ram_global(ram);
1569
    memory_region_add_subregion(address_space_mem, 0, ram);
1570

    
1571
    memory_region_init_ram(sram, NULL, "musicpal.sram", MP_SRAM_SIZE);
1572
    vmstate_register_ram_global(sram);
1573
    memory_region_add_subregion(address_space_mem, MP_SRAM_BASE, sram);
1574

    
1575
    dev = sysbus_create_simple("mv88w8618_pic", MP_PIC_BASE,
1576
                               cpu_pic[ARM_PIC_CPU_IRQ]);
1577
    for (i = 0; i < 32; i++) {
1578
        pic[i] = qdev_get_gpio_in(dev, i);
1579
    }
1580
    sysbus_create_varargs("mv88w8618_pit", MP_PIT_BASE, pic[MP_TIMER1_IRQ],
1581
                          pic[MP_TIMER2_IRQ], pic[MP_TIMER3_IRQ],
1582
                          pic[MP_TIMER4_IRQ], NULL);
1583

    
1584
    if (serial_hds[0]) {
1585
        serial_mm_init(address_space_mem, MP_UART1_BASE, 2, pic[MP_UART1_IRQ],
1586
                       1825000, serial_hds[0], DEVICE_NATIVE_ENDIAN);
1587
    }
1588
    if (serial_hds[1]) {
1589
        serial_mm_init(address_space_mem, MP_UART2_BASE, 2, pic[MP_UART2_IRQ],
1590
                       1825000, serial_hds[1], DEVICE_NATIVE_ENDIAN);
1591
    }
1592

    
1593
    /* Register flash */
1594
    dinfo = drive_get(IF_PFLASH, 0, 0);
1595
    if (dinfo) {
1596
        flash_size = bdrv_getlength(dinfo->bdrv);
1597
        if (flash_size != 8*1024*1024 && flash_size != 16*1024*1024 &&
1598
            flash_size != 32*1024*1024) {
1599
            fprintf(stderr, "Invalid flash image size\n");
1600
            exit(1);
1601
        }
1602

    
1603
        /*
1604
         * The original U-Boot accesses the flash at 0xFE000000 instead of
1605
         * 0xFF800000 (if there is 8 MB flash). So remap flash access if the
1606
         * image is smaller than 32 MB.
1607
         */
1608
#ifdef TARGET_WORDS_BIGENDIAN
1609
        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1610
                              "musicpal.flash", flash_size,
1611
                              dinfo->bdrv, 0x10000,
1612
                              (flash_size + 0xffff) >> 16,
1613
                              MP_FLASH_SIZE_MAX / flash_size,
1614
                              2, 0x00BF, 0x236D, 0x0000, 0x0000,
1615
                              0x5555, 0x2AAA, 1);
1616
#else
1617
        pflash_cfi02_register(0x100000000ULL-MP_FLASH_SIZE_MAX, NULL,
1618
                              "musicpal.flash", flash_size,
1619
                              dinfo->bdrv, 0x10000,
1620
                              (flash_size + 0xffff) >> 16,
1621
                              MP_FLASH_SIZE_MAX / flash_size,
1622
                              2, 0x00BF, 0x236D, 0x0000, 0x0000,
1623
                              0x5555, 0x2AAA, 0);
1624
#endif
1625

    
1626
    }
1627
    sysbus_create_simple("mv88w8618_flashcfg", MP_FLASHCFG_BASE, NULL);
1628

    
1629
    qemu_check_nic_model(&nd_table[0], "mv88w8618");
1630
    dev = qdev_create(NULL, "mv88w8618_eth");
1631
    qdev_set_nic_properties(dev, &nd_table[0]);
1632
    qdev_init_nofail(dev);
1633
    sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, MP_ETH_BASE);
1634
    sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, pic[MP_ETH_IRQ]);
1635

    
1636
    sysbus_create_simple("mv88w8618_wlan", MP_WLAN_BASE, NULL);
1637

    
1638
    sysbus_create_simple(TYPE_MUSICPAL_MISC, MP_MISC_BASE, NULL);
1639

    
1640
    dev = sysbus_create_simple("musicpal_gpio", MP_GPIO_BASE, pic[MP_GPIO_IRQ]);
1641
    i2c_dev = sysbus_create_simple("gpio_i2c", -1, NULL);
1642
    i2c = (i2c_bus *)qdev_get_child_bus(i2c_dev, "i2c");
1643

    
1644
    lcd_dev = sysbus_create_simple("musicpal_lcd", MP_LCD_BASE, NULL);
1645
    key_dev = sysbus_create_simple("musicpal_key", -1, NULL);
1646

    
1647
    /* I2C read data */
1648
    qdev_connect_gpio_out(i2c_dev, 0,
1649
                          qdev_get_gpio_in(dev, MP_GPIO_I2C_DATA_BIT));
1650
    /* I2C data */
1651
    qdev_connect_gpio_out(dev, 3, qdev_get_gpio_in(i2c_dev, 0));
1652
    /* I2C clock */
1653
    qdev_connect_gpio_out(dev, 4, qdev_get_gpio_in(i2c_dev, 1));
1654

    
1655
    for (i = 0; i < 3; i++) {
1656
        qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(lcd_dev, i));
1657
    }
1658
    for (i = 0; i < 4; i++) {
1659
        qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 8));
1660
    }
1661
    for (i = 4; i < 8; i++) {
1662
        qdev_connect_gpio_out(key_dev, i, qdev_get_gpio_in(dev, i + 15));
1663
    }
1664

    
1665
    wm8750_dev = i2c_create_slave(i2c, "wm8750", MP_WM_ADDR);
1666
    dev = qdev_create(NULL, "mv88w8618_audio");
1667
    s = SYS_BUS_DEVICE(dev);
1668
    qdev_prop_set_ptr(dev, "wm8750", wm8750_dev);
1669
    qdev_init_nofail(dev);
1670
    sysbus_mmio_map(s, 0, MP_AUDIO_BASE);
1671
    sysbus_connect_irq(s, 0, pic[MP_AUDIO_IRQ]);
1672

    
1673
    musicpal_binfo.ram_size = MP_RAM_DEFAULT_SIZE;
1674
    musicpal_binfo.kernel_filename = kernel_filename;
1675
    musicpal_binfo.kernel_cmdline = kernel_cmdline;
1676
    musicpal_binfo.initrd_filename = initrd_filename;
1677
    arm_load_kernel(cpu, &musicpal_binfo);
1678
}
1679

    
1680
static QEMUMachine musicpal_machine = {
1681
    .name = "musicpal",
1682
    .desc = "Marvell 88w8618 / MusicPal (ARM926EJ-S)",
1683
    .init = musicpal_init,
1684
    DEFAULT_MACHINE_OPTIONS,
1685
};
1686

    
1687
static void musicpal_machine_init(void)
1688
{
1689
    qemu_register_machine(&musicpal_machine);
1690
}
1691

    
1692
machine_init(musicpal_machine_init);
1693

    
1694
static void mv88w8618_wlan_class_init(ObjectClass *klass, void *data)
1695
{
1696
    SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
1697

    
1698
    sdc->init = mv88w8618_wlan_init;
1699
}
1700

    
1701
static const TypeInfo mv88w8618_wlan_info = {
1702
    .name          = "mv88w8618_wlan",
1703
    .parent        = TYPE_SYS_BUS_DEVICE,
1704
    .instance_size = sizeof(SysBusDevice),
1705
    .class_init    = mv88w8618_wlan_class_init,
1706
};
1707

    
1708
static void musicpal_register_types(void)
1709
{
1710
    type_register_static(&mv88w8618_pic_info);
1711
    type_register_static(&mv88w8618_pit_info);
1712
    type_register_static(&mv88w8618_flashcfg_info);
1713
    type_register_static(&mv88w8618_eth_info);
1714
    type_register_static(&mv88w8618_wlan_info);
1715
    type_register_static(&musicpal_lcd_info);
1716
    type_register_static(&musicpal_gpio_info);
1717
    type_register_static(&musicpal_key_info);
1718
    type_register_static(&musicpal_misc_info);
1719
}
1720

    
1721
type_init(musicpal_register_types)