1 /*
2 * QEMU model of the Smartfusion2 Ethernet MAC.
3 *
4 * Copyright (c) 2020 Subbaraya Sundeep <sundeep.lkml@gmail.com>.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 *
24 * Refer to section Ethernet MAC in the document:
25 * UG0331: SmartFusion2 Microcontroller Subsystem User Guide
26 * Datasheet URL:
27 * https://www.microsemi.com/document-portal/cat_view/56661-internal-documents/
28 * 56758-soc?lang=en&limit=20&limitstart=220
29 */
30
31 #include "qemu/osdep.h"
32 #include "qemu/log.h"
33 #include "qapi/error.h"
34 #include "hw/registerfields.h"
35 #include "hw/net/msf2-emac.h"
36 #include "hw/net/mii.h"
37 #include "hw/irq.h"
38 #include "hw/qdev-properties.h"
39 #include "migration/vmstate.h"
40
41 REG32(CFG1, 0x0)
42 FIELD(CFG1, RESET, 31, 1)
43 FIELD(CFG1, RX_EN, 2, 1)
44 FIELD(CFG1, TX_EN, 0, 1)
45 FIELD(CFG1, LB_EN, 8, 1)
46 REG32(CFG2, 0x4)
47 REG32(IFG, 0x8)
48 REG32(HALF_DUPLEX, 0xc)
49 REG32(MAX_FRAME_LENGTH, 0x10)
50 REG32(MII_CMD, 0x24)
51 FIELD(MII_CMD, READ, 0, 1)
52 REG32(MII_ADDR, 0x28)
53 FIELD(MII_ADDR, REGADDR, 0, 5)
54 FIELD(MII_ADDR, PHYADDR, 8, 5)
55 REG32(MII_CTL, 0x2c)
56 REG32(MII_STS, 0x30)
57 REG32(STA1, 0x40)
58 REG32(STA2, 0x44)
59 REG32(FIFO_CFG0, 0x48)
60 REG32(FIFO_CFG4, 0x58)
61 FIELD(FIFO_CFG4, BCAST, 9, 1)
62 FIELD(FIFO_CFG4, MCAST, 8, 1)
63 REG32(FIFO_CFG5, 0x5C)
64 FIELD(FIFO_CFG5, BCAST, 9, 1)
65 FIELD(FIFO_CFG5, MCAST, 8, 1)
66 REG32(DMA_TX_CTL, 0x180)
67 FIELD(DMA_TX_CTL, EN, 0, 1)
68 REG32(DMA_TX_DESC, 0x184)
69 REG32(DMA_TX_STATUS, 0x188)
70 FIELD(DMA_TX_STATUS, PKTCNT, 16, 8)
71 FIELD(DMA_TX_STATUS, UNDERRUN, 1, 1)
72 FIELD(DMA_TX_STATUS, PKT_SENT, 0, 1)
73 REG32(DMA_RX_CTL, 0x18c)
74 FIELD(DMA_RX_CTL, EN, 0, 1)
75 REG32(DMA_RX_DESC, 0x190)
76 REG32(DMA_RX_STATUS, 0x194)
77 FIELD(DMA_RX_STATUS, PKTCNT, 16, 8)
78 FIELD(DMA_RX_STATUS, OVERFLOW, 2, 1)
79 FIELD(DMA_RX_STATUS, PKT_RCVD, 0, 1)
80 REG32(DMA_IRQ_MASK, 0x198)
81 REG32(DMA_IRQ, 0x19c)
82
83 #define EMPTY_MASK (1 << 31)
84 #define PKT_SIZE 0x7FF
85 #define PHYADDR 0x1
86 #define MAX_PKT_SIZE 2048
87
88 typedef struct {
89 uint32_t pktaddr;
90 uint32_t pktsize;
91 uint32_t next;
92 } EmacDesc;
93
emac_get_isr(MSF2EmacState * s)94 static uint32_t emac_get_isr(MSF2EmacState *s)
95 {
96 uint32_t ier = s->regs[R_DMA_IRQ_MASK];
97 uint32_t tx = s->regs[R_DMA_TX_STATUS] & 0xF;
98 uint32_t rx = s->regs[R_DMA_RX_STATUS] & 0xF;
99 uint32_t isr = (rx << 4) | tx;
100
101 s->regs[R_DMA_IRQ] = ier & isr;
102 return s->regs[R_DMA_IRQ];
103 }
104
emac_update_irq(MSF2EmacState * s)105 static void emac_update_irq(MSF2EmacState *s)
106 {
107 bool intr = emac_get_isr(s);
108
109 qemu_set_irq(s->irq, intr);
110 }
111
emac_load_desc(MSF2EmacState * s,EmacDesc * d,hwaddr desc)112 static void emac_load_desc(MSF2EmacState *s, EmacDesc *d, hwaddr desc)
113 {
114 address_space_read(&s->dma_as, desc, MEMTXATTRS_UNSPECIFIED, d, sizeof *d);
115 /* Convert from LE into host endianness. */
116 d->pktaddr = le32_to_cpu(d->pktaddr);
117 d->pktsize = le32_to_cpu(d->pktsize);
118 d->next = le32_to_cpu(d->next);
119 }
120
emac_store_desc(MSF2EmacState * s,const EmacDesc * d,hwaddr desc)121 static void emac_store_desc(MSF2EmacState *s, const EmacDesc *d, hwaddr desc)
122 {
123 EmacDesc outd;
124 /*
125 * Convert from host endianness into LE. We use a local struct because
126 * calling code may still want to look at the fields afterwards.
127 */
128 outd.pktaddr = cpu_to_le32(d->pktaddr);
129 outd.pktsize = cpu_to_le32(d->pktsize);
130 outd.next = cpu_to_le32(d->next);
131
132 address_space_write(&s->dma_as, desc, MEMTXATTRS_UNSPECIFIED, &outd, sizeof outd);
133 }
134
msf2_dma_tx(MSF2EmacState * s)135 static void msf2_dma_tx(MSF2EmacState *s)
136 {
137 NetClientState *nc = qemu_get_queue(s->nic);
138 hwaddr desc = s->regs[R_DMA_TX_DESC];
139 uint8_t buf[MAX_PKT_SIZE];
140 EmacDesc d;
141 int size;
142 uint8_t pktcnt;
143 uint32_t status;
144
145 if (!(s->regs[R_CFG1] & R_CFG1_TX_EN_MASK)) {
146 return;
147 }
148
149 while (1) {
150 emac_load_desc(s, &d, desc);
151 if (d.pktsize & EMPTY_MASK) {
152 break;
153 }
154 size = d.pktsize & PKT_SIZE;
155 address_space_read(&s->dma_as, d.pktaddr, MEMTXATTRS_UNSPECIFIED,
156 buf, size);
157 /*
158 * This is very basic way to send packets. Ideally there should be
159 * a FIFO and packets should be sent out from FIFO only when
160 * R_CFG1 bit 0 is set.
161 */
162 if (s->regs[R_CFG1] & R_CFG1_LB_EN_MASK) {
163 qemu_receive_packet(nc, buf, size);
164 } else {
165 qemu_send_packet(nc, buf, size);
166 }
167 d.pktsize |= EMPTY_MASK;
168 emac_store_desc(s, &d, desc);
169 /* update sent packets count */
170 status = s->regs[R_DMA_TX_STATUS];
171 pktcnt = FIELD_EX32(status, DMA_TX_STATUS, PKTCNT);
172 pktcnt++;
173 s->regs[R_DMA_TX_STATUS] = FIELD_DP32(status, DMA_TX_STATUS,
174 PKTCNT, pktcnt);
175 s->regs[R_DMA_TX_STATUS] |= R_DMA_TX_STATUS_PKT_SENT_MASK;
176 desc = d.next;
177 }
178 s->regs[R_DMA_TX_STATUS] |= R_DMA_TX_STATUS_UNDERRUN_MASK;
179 s->regs[R_DMA_TX_CTL] &= ~R_DMA_TX_CTL_EN_MASK;
180 }
181
msf2_phy_update_link(MSF2EmacState * s)182 static void msf2_phy_update_link(MSF2EmacState *s)
183 {
184 /* Autonegotiation status mirrors link status. */
185 if (qemu_get_queue(s->nic)->link_down) {
186 s->phy_regs[MII_BMSR] &= ~(MII_BMSR_AN_COMP |
187 MII_BMSR_LINK_ST);
188 } else {
189 s->phy_regs[MII_BMSR] |= (MII_BMSR_AN_COMP |
190 MII_BMSR_LINK_ST);
191 }
192 }
193
msf2_phy_reset(MSF2EmacState * s)194 static void msf2_phy_reset(MSF2EmacState *s)
195 {
196 memset(&s->phy_regs[0], 0, sizeof(s->phy_regs));
197 s->phy_regs[MII_BMCR] = 0x1140;
198 s->phy_regs[MII_BMSR] = 0x7968;
199 s->phy_regs[MII_PHYID1] = 0x0022;
200 s->phy_regs[MII_PHYID2] = 0x1550;
201 s->phy_regs[MII_ANAR] = 0x01E1;
202 s->phy_regs[MII_ANLPAR] = 0xCDE1;
203
204 msf2_phy_update_link(s);
205 }
206
write_to_phy(MSF2EmacState * s)207 static void write_to_phy(MSF2EmacState *s)
208 {
209 uint8_t reg_addr = s->regs[R_MII_ADDR] & R_MII_ADDR_REGADDR_MASK;
210 uint8_t phy_addr = (s->regs[R_MII_ADDR] >> R_MII_ADDR_PHYADDR_SHIFT) &
211 R_MII_ADDR_REGADDR_MASK;
212 uint16_t data = s->regs[R_MII_CTL] & 0xFFFF;
213
214 if (phy_addr != PHYADDR) {
215 return;
216 }
217
218 switch (reg_addr) {
219 case MII_BMCR:
220 if (data & MII_BMCR_RESET) {
221 /* Phy reset */
222 msf2_phy_reset(s);
223 data &= ~MII_BMCR_RESET;
224 }
225 if (data & MII_BMCR_AUTOEN) {
226 /* Complete autonegotiation immediately */
227 data &= ~MII_BMCR_AUTOEN;
228 s->phy_regs[MII_BMSR] |= MII_BMSR_AN_COMP;
229 }
230 break;
231 }
232
233 s->phy_regs[reg_addr] = data;
234 }
235
read_from_phy(MSF2EmacState * s)236 static uint16_t read_from_phy(MSF2EmacState *s)
237 {
238 uint8_t reg_addr = s->regs[R_MII_ADDR] & R_MII_ADDR_REGADDR_MASK;
239 uint8_t phy_addr = (s->regs[R_MII_ADDR] >> R_MII_ADDR_PHYADDR_SHIFT) &
240 R_MII_ADDR_REGADDR_MASK;
241
242 if (phy_addr == PHYADDR) {
243 return s->phy_regs[reg_addr];
244 } else {
245 return 0xFFFF;
246 }
247 }
248
msf2_emac_do_reset(MSF2EmacState * s)249 static void msf2_emac_do_reset(MSF2EmacState *s)
250 {
251 memset(&s->regs[0], 0, sizeof(s->regs));
252 s->regs[R_CFG1] = 0x80000000;
253 s->regs[R_CFG2] = 0x00007000;
254 s->regs[R_IFG] = 0x40605060;
255 s->regs[R_HALF_DUPLEX] = 0x00A1F037;
256 s->regs[R_MAX_FRAME_LENGTH] = 0x00000600;
257 s->regs[R_FIFO_CFG5] = 0X3FFFF;
258
259 msf2_phy_reset(s);
260 }
261
emac_read(void * opaque,hwaddr addr,unsigned int size)262 static uint64_t emac_read(void *opaque, hwaddr addr, unsigned int size)
263 {
264 MSF2EmacState *s = opaque;
265 uint32_t r = 0;
266
267 addr >>= 2;
268
269 switch (addr) {
270 case R_DMA_IRQ:
271 r = emac_get_isr(s);
272 break;
273 default:
274 if (addr >= ARRAY_SIZE(s->regs)) {
275 qemu_log_mask(LOG_GUEST_ERROR,
276 "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__,
277 addr * 4);
278 return r;
279 }
280 r = s->regs[addr];
281 break;
282 }
283 return r;
284 }
285
emac_write(void * opaque,hwaddr addr,uint64_t val64,unsigned int size)286 static void emac_write(void *opaque, hwaddr addr, uint64_t val64,
287 unsigned int size)
288 {
289 MSF2EmacState *s = opaque;
290 uint32_t value = val64;
291 uint32_t enreqbits;
292 uint8_t pktcnt;
293
294 addr >>= 2;
295 switch (addr) {
296 case R_DMA_TX_CTL:
297 s->regs[addr] = value;
298 if (value & R_DMA_TX_CTL_EN_MASK) {
299 msf2_dma_tx(s);
300 }
301 break;
302 case R_DMA_RX_CTL:
303 s->regs[addr] = value;
304 if (value & R_DMA_RX_CTL_EN_MASK) {
305 s->rx_desc = s->regs[R_DMA_RX_DESC];
306 qemu_flush_queued_packets(qemu_get_queue(s->nic));
307 }
308 break;
309 case R_CFG1:
310 s->regs[addr] = value;
311 if (value & R_CFG1_RESET_MASK) {
312 msf2_emac_do_reset(s);
313 }
314 break;
315 case R_FIFO_CFG0:
316 /*
317 * For our implementation, turning on modules is instantaneous,
318 * so the states requested via the *ENREQ bits appear in the
319 * *ENRPLY bits immediately. Also the reset bits to reset PE-MCXMAC
320 * module are not emulated here since it deals with start of frames,
321 * inter-packet gap and control frames.
322 */
323 enreqbits = extract32(value, 8, 5);
324 s->regs[addr] = deposit32(value, 16, 5, enreqbits);
325 break;
326 case R_DMA_TX_DESC:
327 if (value & 0x3) {
328 qemu_log_mask(LOG_GUEST_ERROR, "Tx Descriptor address should be"
329 " 32 bit aligned\n");
330 }
331 /* Ignore [1:0] bits */
332 s->regs[addr] = value & ~3;
333 break;
334 case R_DMA_RX_DESC:
335 if (value & 0x3) {
336 qemu_log_mask(LOG_GUEST_ERROR, "Rx Descriptor address should be"
337 " 32 bit aligned\n");
338 }
339 /* Ignore [1:0] bits */
340 s->regs[addr] = value & ~3;
341 break;
342 case R_DMA_TX_STATUS:
343 if (value & R_DMA_TX_STATUS_UNDERRUN_MASK) {
344 s->regs[addr] &= ~R_DMA_TX_STATUS_UNDERRUN_MASK;
345 }
346 if (value & R_DMA_TX_STATUS_PKT_SENT_MASK) {
347 pktcnt = FIELD_EX32(s->regs[addr], DMA_TX_STATUS, PKTCNT);
348 pktcnt--;
349 s->regs[addr] = FIELD_DP32(s->regs[addr], DMA_TX_STATUS,
350 PKTCNT, pktcnt);
351 if (pktcnt == 0) {
352 s->regs[addr] &= ~R_DMA_TX_STATUS_PKT_SENT_MASK;
353 }
354 }
355 break;
356 case R_DMA_RX_STATUS:
357 if (value & R_DMA_RX_STATUS_OVERFLOW_MASK) {
358 s->regs[addr] &= ~R_DMA_RX_STATUS_OVERFLOW_MASK;
359 }
360 if (value & R_DMA_RX_STATUS_PKT_RCVD_MASK) {
361 pktcnt = FIELD_EX32(s->regs[addr], DMA_RX_STATUS, PKTCNT);
362 pktcnt--;
363 s->regs[addr] = FIELD_DP32(s->regs[addr], DMA_RX_STATUS,
364 PKTCNT, pktcnt);
365 if (pktcnt == 0) {
366 s->regs[addr] &= ~R_DMA_RX_STATUS_PKT_RCVD_MASK;
367 }
368 }
369 break;
370 case R_DMA_IRQ:
371 break;
372 case R_MII_CMD:
373 if (value & R_MII_CMD_READ_MASK) {
374 s->regs[R_MII_STS] = read_from_phy(s);
375 }
376 break;
377 case R_MII_CTL:
378 s->regs[addr] = value;
379 write_to_phy(s);
380 break;
381 case R_STA1:
382 s->regs[addr] = value;
383 /*
384 * R_STA1 [31:24] : octet 1 of mac address
385 * R_STA1 [23:16] : octet 2 of mac address
386 * R_STA1 [15:8] : octet 3 of mac address
387 * R_STA1 [7:0] : octet 4 of mac address
388 */
389 stl_be_p(s->mac_addr, value);
390 break;
391 case R_STA2:
392 s->regs[addr] = value;
393 /*
394 * R_STA2 [31:24] : octet 5 of mac address
395 * R_STA2 [23:16] : octet 6 of mac address
396 */
397 stw_be_p(s->mac_addr + 4, value >> 16);
398 break;
399 default:
400 if (addr >= ARRAY_SIZE(s->regs)) {
401 qemu_log_mask(LOG_GUEST_ERROR,
402 "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__,
403 addr * 4);
404 return;
405 }
406 s->regs[addr] = value;
407 break;
408 }
409 emac_update_irq(s);
410 }
411
412 static const MemoryRegionOps emac_ops = {
413 .read = emac_read,
414 .write = emac_write,
415 .endianness = DEVICE_NATIVE_ENDIAN,
416 .impl = {
417 .min_access_size = 4,
418 .max_access_size = 4
419 }
420 };
421
emac_can_rx(NetClientState * nc)422 static bool emac_can_rx(NetClientState *nc)
423 {
424 MSF2EmacState *s = qemu_get_nic_opaque(nc);
425
426 return (s->regs[R_CFG1] & R_CFG1_RX_EN_MASK) &&
427 (s->regs[R_DMA_RX_CTL] & R_DMA_RX_CTL_EN_MASK);
428 }
429
addr_filter_ok(MSF2EmacState * s,const uint8_t * buf)430 static bool addr_filter_ok(MSF2EmacState *s, const uint8_t *buf)
431 {
432 /* The broadcast MAC address: FF:FF:FF:FF:FF:FF */
433 const uint8_t broadcast_addr[] = { 0xFF, 0xFF, 0xFF, 0xFF,
434 0xFF, 0xFF };
435 bool bcast_en = true;
436 bool mcast_en = true;
437
438 if (s->regs[R_FIFO_CFG5] & R_FIFO_CFG5_BCAST_MASK) {
439 bcast_en = true; /* Broadcast dont care for drop circuitry */
440 } else if (s->regs[R_FIFO_CFG4] & R_FIFO_CFG4_BCAST_MASK) {
441 bcast_en = false;
442 }
443
444 if (s->regs[R_FIFO_CFG5] & R_FIFO_CFG5_MCAST_MASK) {
445 mcast_en = true; /* Multicast dont care for drop circuitry */
446 } else if (s->regs[R_FIFO_CFG4] & R_FIFO_CFG4_MCAST_MASK) {
447 mcast_en = false;
448 }
449
450 if (!memcmp(buf, broadcast_addr, sizeof(broadcast_addr))) {
451 return bcast_en;
452 }
453
454 if (buf[0] & 1) {
455 return mcast_en;
456 }
457
458 return !memcmp(buf, s->mac_addr, sizeof(s->mac_addr));
459 }
460
emac_rx(NetClientState * nc,const uint8_t * buf,size_t size)461 static ssize_t emac_rx(NetClientState *nc, const uint8_t *buf, size_t size)
462 {
463 MSF2EmacState *s = qemu_get_nic_opaque(nc);
464 EmacDesc d;
465 uint8_t pktcnt;
466 uint32_t status;
467
468 if (size > (s->regs[R_MAX_FRAME_LENGTH] & 0xFFFF)) {
469 return size;
470 }
471 if (!addr_filter_ok(s, buf)) {
472 return size;
473 }
474
475 emac_load_desc(s, &d, s->rx_desc);
476
477 if (d.pktsize & EMPTY_MASK) {
478 address_space_write(&s->dma_as, d.pktaddr, MEMTXATTRS_UNSPECIFIED,
479 buf, size & PKT_SIZE);
480 d.pktsize = size & PKT_SIZE;
481 emac_store_desc(s, &d, s->rx_desc);
482 /* update received packets count */
483 status = s->regs[R_DMA_RX_STATUS];
484 pktcnt = FIELD_EX32(status, DMA_RX_STATUS, PKTCNT);
485 pktcnt++;
486 s->regs[R_DMA_RX_STATUS] = FIELD_DP32(status, DMA_RX_STATUS,
487 PKTCNT, pktcnt);
488 s->regs[R_DMA_RX_STATUS] |= R_DMA_RX_STATUS_PKT_RCVD_MASK;
489 s->rx_desc = d.next;
490 } else {
491 s->regs[R_DMA_RX_CTL] &= ~R_DMA_RX_CTL_EN_MASK;
492 s->regs[R_DMA_RX_STATUS] |= R_DMA_RX_STATUS_OVERFLOW_MASK;
493 }
494 emac_update_irq(s);
495 return size;
496 }
497
msf2_emac_reset(DeviceState * dev)498 static void msf2_emac_reset(DeviceState *dev)
499 {
500 MSF2EmacState *s = MSS_EMAC(dev);
501
502 msf2_emac_do_reset(s);
503 }
504
emac_set_link(NetClientState * nc)505 static void emac_set_link(NetClientState *nc)
506 {
507 MSF2EmacState *s = qemu_get_nic_opaque(nc);
508
509 msf2_phy_update_link(s);
510 }
511
512 static NetClientInfo net_msf2_emac_info = {
513 .type = NET_CLIENT_DRIVER_NIC,
514 .size = sizeof(NICState),
515 .can_receive = emac_can_rx,
516 .receive = emac_rx,
517 .link_status_changed = emac_set_link,
518 };
519
msf2_emac_realize(DeviceState * dev,Error ** errp)520 static void msf2_emac_realize(DeviceState *dev, Error **errp)
521 {
522 MSF2EmacState *s = MSS_EMAC(dev);
523
524 if (!s->dma_mr) {
525 error_setg(errp, "MSS_EMAC 'ahb-bus' link not set");
526 return;
527 }
528
529 address_space_init(&s->dma_as, s->dma_mr, "emac-ahb");
530
531 qemu_macaddr_default_if_unset(&s->conf.macaddr);
532 s->nic = qemu_new_nic(&net_msf2_emac_info, &s->conf,
533 object_get_typename(OBJECT(dev)), dev->id,
534 &dev->mem_reentrancy_guard, s);
535 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
536 }
537
msf2_emac_init(Object * obj)538 static void msf2_emac_init(Object *obj)
539 {
540 MSF2EmacState *s = MSS_EMAC(obj);
541
542 sysbus_init_irq(SYS_BUS_DEVICE(obj), &s->irq);
543
544 memory_region_init_io(&s->mmio, obj, &emac_ops, s,
545 "msf2-emac", R_MAX * 4);
546 sysbus_init_mmio(SYS_BUS_DEVICE(obj), &s->mmio);
547 }
548
549 static Property msf2_emac_properties[] = {
550 DEFINE_PROP_LINK("ahb-bus", MSF2EmacState, dma_mr,
551 TYPE_MEMORY_REGION, MemoryRegion *),
552 DEFINE_NIC_PROPERTIES(MSF2EmacState, conf),
553 DEFINE_PROP_END_OF_LIST(),
554 };
555
556 static const VMStateDescription vmstate_msf2_emac = {
557 .name = TYPE_MSS_EMAC,
558 .version_id = 1,
559 .minimum_version_id = 1,
560 .fields = (const VMStateField[]) {
561 VMSTATE_UINT8_ARRAY(mac_addr, MSF2EmacState, ETH_ALEN),
562 VMSTATE_UINT32(rx_desc, MSF2EmacState),
563 VMSTATE_UINT16_ARRAY(phy_regs, MSF2EmacState, PHY_MAX_REGS),
564 VMSTATE_UINT32_ARRAY(regs, MSF2EmacState, R_MAX),
565 VMSTATE_END_OF_LIST()
566 }
567 };
568
msf2_emac_class_init(ObjectClass * klass,void * data)569 static void msf2_emac_class_init(ObjectClass *klass, void *data)
570 {
571 DeviceClass *dc = DEVICE_CLASS(klass);
572
573 dc->realize = msf2_emac_realize;
574 device_class_set_legacy_reset(dc, msf2_emac_reset);
575 dc->vmsd = &vmstate_msf2_emac;
576 device_class_set_props(dc, msf2_emac_properties);
577 }
578
579 static const TypeInfo msf2_emac_info = {
580 .name = TYPE_MSS_EMAC,
581 .parent = TYPE_SYS_BUS_DEVICE,
582 .instance_size = sizeof(MSF2EmacState),
583 .instance_init = msf2_emac_init,
584 .class_init = msf2_emac_class_init,
585 };
586
msf2_emac_register_types(void)587 static void msf2_emac_register_types(void)
588 {
589 type_register_static(&msf2_emac_info);
590 }
591
592 type_init(msf2_emac_register_types)
593