root / hw / etraxfs_eth.c @ aebcf56f
History | View | Annotate | Download (14.5 kB)
1 |
/*
|
---|---|
2 |
* QEMU ETRAX Ethernet Controller.
|
3 |
*
|
4 |
* Copyright (c) 2008 Edgar E. Iglesias, Axis Communications AB.
|
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 |
|
25 |
#include <stdio.h> |
26 |
#include "sysbus.h" |
27 |
#include "net.h" |
28 |
#include "etraxfs.h" |
29 |
|
30 |
#define D(x)
|
31 |
|
32 |
/* Advertisement control register. */
|
33 |
#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */ |
34 |
#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */ |
35 |
#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */ |
36 |
#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */ |
37 |
|
38 |
/*
|
39 |
* The MDIO extensions in the TDK PHY model were reversed engineered from the
|
40 |
* linux driver (PHYID and Diagnostics reg).
|
41 |
* TODO: Add friendly names for the register nums.
|
42 |
*/
|
43 |
struct qemu_phy
|
44 |
{ |
45 |
uint32_t regs[32];
|
46 |
|
47 |
int link;
|
48 |
|
49 |
unsigned int (*read)(struct qemu_phy *phy, unsigned int req); |
50 |
void (*write)(struct qemu_phy *phy, unsigned int req, |
51 |
unsigned int data); |
52 |
}; |
53 |
|
54 |
static unsigned int tdk_read(struct qemu_phy *phy, unsigned int req) |
55 |
{ |
56 |
int regnum;
|
57 |
unsigned r = 0; |
58 |
|
59 |
regnum = req & 0x1f;
|
60 |
|
61 |
switch (regnum) {
|
62 |
case 1: |
63 |
if (!phy->link)
|
64 |
break;
|
65 |
/* MR1. */
|
66 |
/* Speeds and modes. */
|
67 |
r |= (1 << 13) | (1 << 14); |
68 |
r |= (1 << 11) | (1 << 12); |
69 |
r |= (1 << 5); /* Autoneg complete. */ |
70 |
r |= (1 << 3); /* Autoneg able. */ |
71 |
r |= (1 << 2); /* link. */ |
72 |
break;
|
73 |
case 5: |
74 |
/* Link partner ability.
|
75 |
We are kind; always agree with whatever best mode
|
76 |
the guest advertises. */
|
77 |
r = 1 << 14; /* Success. */ |
78 |
/* Copy advertised modes. */
|
79 |
r |= phy->regs[4] & (15 << 5); |
80 |
/* Autoneg support. */
|
81 |
r |= 1;
|
82 |
break;
|
83 |
case 18: |
84 |
{ |
85 |
/* Diagnostics reg. */
|
86 |
int duplex = 0; |
87 |
int speed_100 = 0; |
88 |
|
89 |
if (!phy->link)
|
90 |
break;
|
91 |
|
92 |
/* Are we advertising 100 half or 100 duplex ? */
|
93 |
speed_100 = !!(phy->regs[4] & ADVERTISE_100HALF);
|
94 |
speed_100 |= !!(phy->regs[4] & ADVERTISE_100FULL);
|
95 |
|
96 |
/* Are we advertising 10 duplex or 100 duplex ? */
|
97 |
duplex = !!(phy->regs[4] & ADVERTISE_100FULL);
|
98 |
duplex |= !!(phy->regs[4] & ADVERTISE_10FULL);
|
99 |
r = (speed_100 << 10) | (duplex << 11); |
100 |
} |
101 |
break;
|
102 |
|
103 |
default:
|
104 |
r = phy->regs[regnum]; |
105 |
break;
|
106 |
} |
107 |
D(printf("\n%s %x = reg[%d]\n", __func__, r, regnum));
|
108 |
return r;
|
109 |
} |
110 |
|
111 |
static void |
112 |
tdk_write(struct qemu_phy *phy, unsigned int req, unsigned int data) |
113 |
{ |
114 |
int regnum;
|
115 |
|
116 |
regnum = req & 0x1f;
|
117 |
D(printf("%s reg[%d] = %x\n", __func__, regnum, data));
|
118 |
switch (regnum) {
|
119 |
default:
|
120 |
phy->regs[regnum] = data; |
121 |
break;
|
122 |
} |
123 |
} |
124 |
|
125 |
static void |
126 |
tdk_init(struct qemu_phy *phy)
|
127 |
{ |
128 |
phy->regs[0] = 0x3100; |
129 |
/* PHY Id. */
|
130 |
phy->regs[2] = 0x0300; |
131 |
phy->regs[3] = 0xe400; |
132 |
/* Autonegotiation advertisement reg. */
|
133 |
phy->regs[4] = 0x01E1; |
134 |
phy->link = 1;
|
135 |
|
136 |
phy->read = tdk_read; |
137 |
phy->write = tdk_write; |
138 |
} |
139 |
|
140 |
struct qemu_mdio
|
141 |
{ |
142 |
/* bus. */
|
143 |
int mdc;
|
144 |
int mdio;
|
145 |
|
146 |
/* decoder. */
|
147 |
enum {
|
148 |
PREAMBLE, |
149 |
SOF, |
150 |
OPC, |
151 |
ADDR, |
152 |
REQ, |
153 |
TURNAROUND, |
154 |
DATA |
155 |
} state; |
156 |
unsigned int drive; |
157 |
|
158 |
unsigned int cnt; |
159 |
unsigned int addr; |
160 |
unsigned int opc; |
161 |
unsigned int req; |
162 |
unsigned int data; |
163 |
|
164 |
struct qemu_phy *devs[32]; |
165 |
}; |
166 |
|
167 |
static void |
168 |
mdio_attach(struct qemu_mdio *bus, struct qemu_phy *phy, unsigned int addr) |
169 |
{ |
170 |
bus->devs[addr & 0x1f] = phy;
|
171 |
} |
172 |
|
173 |
#ifdef USE_THIS_DEAD_CODE
|
174 |
static void |
175 |
mdio_detach(struct qemu_mdio *bus, struct qemu_phy *phy, unsigned int addr) |
176 |
{ |
177 |
bus->devs[addr & 0x1f] = NULL; |
178 |
} |
179 |
#endif
|
180 |
|
181 |
static void mdio_read_req(struct qemu_mdio *bus) |
182 |
{ |
183 |
struct qemu_phy *phy;
|
184 |
|
185 |
phy = bus->devs[bus->addr]; |
186 |
if (phy && phy->read)
|
187 |
bus->data = phy->read(phy, bus->req); |
188 |
else
|
189 |
bus->data = 0xffff;
|
190 |
} |
191 |
|
192 |
static void mdio_write_req(struct qemu_mdio *bus) |
193 |
{ |
194 |
struct qemu_phy *phy;
|
195 |
|
196 |
phy = bus->devs[bus->addr]; |
197 |
if (phy && phy->write)
|
198 |
phy->write(phy, bus->req, bus->data); |
199 |
} |
200 |
|
201 |
static void mdio_cycle(struct qemu_mdio *bus) |
202 |
{ |
203 |
bus->cnt++; |
204 |
|
205 |
D(printf("mdc=%d mdio=%d state=%d cnt=%d drv=%d\n",
|
206 |
bus->mdc, bus->mdio, bus->state, bus->cnt, bus->drive)); |
207 |
#if 0
|
208 |
if (bus->mdc)
|
209 |
printf("%d", bus->mdio);
|
210 |
#endif
|
211 |
switch (bus->state)
|
212 |
{ |
213 |
case PREAMBLE:
|
214 |
if (bus->mdc) {
|
215 |
if (bus->cnt >= (32 * 2) && !bus->mdio) { |
216 |
bus->cnt = 0;
|
217 |
bus->state = SOF; |
218 |
bus->data = 0;
|
219 |
} |
220 |
} |
221 |
break;
|
222 |
case SOF:
|
223 |
if (bus->mdc) {
|
224 |
if (bus->mdio != 1) |
225 |
printf("WARNING: no SOF\n");
|
226 |
if (bus->cnt == 1*2) { |
227 |
bus->cnt = 0;
|
228 |
bus->opc = 0;
|
229 |
bus->state = OPC; |
230 |
} |
231 |
} |
232 |
break;
|
233 |
case OPC:
|
234 |
if (bus->mdc) {
|
235 |
bus->opc <<= 1;
|
236 |
bus->opc |= bus->mdio & 1;
|
237 |
if (bus->cnt == 2*2) { |
238 |
bus->cnt = 0;
|
239 |
bus->addr = 0;
|
240 |
bus->state = ADDR; |
241 |
} |
242 |
} |
243 |
break;
|
244 |
case ADDR:
|
245 |
if (bus->mdc) {
|
246 |
bus->addr <<= 1;
|
247 |
bus->addr |= bus->mdio & 1;
|
248 |
|
249 |
if (bus->cnt == 5*2) { |
250 |
bus->cnt = 0;
|
251 |
bus->req = 0;
|
252 |
bus->state = REQ; |
253 |
} |
254 |
} |
255 |
break;
|
256 |
case REQ:
|
257 |
if (bus->mdc) {
|
258 |
bus->req <<= 1;
|
259 |
bus->req |= bus->mdio & 1;
|
260 |
if (bus->cnt == 5*2) { |
261 |
bus->cnt = 0;
|
262 |
bus->state = TURNAROUND; |
263 |
} |
264 |
} |
265 |
break;
|
266 |
case TURNAROUND:
|
267 |
if (bus->mdc && bus->cnt == 2*2) { |
268 |
bus->mdio = 0;
|
269 |
bus->cnt = 0;
|
270 |
|
271 |
if (bus->opc == 2) { |
272 |
bus->drive = 1;
|
273 |
mdio_read_req(bus); |
274 |
bus->mdio = bus->data & 1;
|
275 |
} |
276 |
bus->state = DATA; |
277 |
} |
278 |
break;
|
279 |
case DATA:
|
280 |
if (!bus->mdc) {
|
281 |
if (bus->drive) {
|
282 |
bus->mdio = !!(bus->data & (1 << 15)); |
283 |
bus->data <<= 1;
|
284 |
} |
285 |
} else {
|
286 |
if (!bus->drive) {
|
287 |
bus->data <<= 1;
|
288 |
bus->data |= bus->mdio; |
289 |
} |
290 |
if (bus->cnt == 16 * 2) { |
291 |
bus->cnt = 0;
|
292 |
bus->state = PREAMBLE; |
293 |
if (!bus->drive)
|
294 |
mdio_write_req(bus); |
295 |
bus->drive = 0;
|
296 |
} |
297 |
} |
298 |
break;
|
299 |
default:
|
300 |
break;
|
301 |
} |
302 |
} |
303 |
|
304 |
/* ETRAX-FS Ethernet MAC block starts here. */
|
305 |
|
306 |
#define RW_MA0_LO 0x00 |
307 |
#define RW_MA0_HI 0x01 |
308 |
#define RW_MA1_LO 0x02 |
309 |
#define RW_MA1_HI 0x03 |
310 |
#define RW_GA_LO 0x04 |
311 |
#define RW_GA_HI 0x05 |
312 |
#define RW_GEN_CTRL 0x06 |
313 |
#define RW_REC_CTRL 0x07 |
314 |
#define RW_TR_CTRL 0x08 |
315 |
#define RW_CLR_ERR 0x09 |
316 |
#define RW_MGM_CTRL 0x0a |
317 |
#define R_STAT 0x0b |
318 |
#define FS_ETH_MAX_REGS 0x17 |
319 |
|
320 |
struct fs_eth
|
321 |
{ |
322 |
SysBusDevice busdev; |
323 |
MemoryRegion mmio; |
324 |
NICState *nic; |
325 |
NICConf conf; |
326 |
|
327 |
/* Two addrs in the filter. */
|
328 |
uint8_t macaddr[2][6]; |
329 |
uint32_t regs[FS_ETH_MAX_REGS]; |
330 |
|
331 |
union {
|
332 |
void *vdma_out;
|
333 |
struct etraxfs_dma_client *dma_out;
|
334 |
}; |
335 |
union {
|
336 |
void *vdma_in;
|
337 |
struct etraxfs_dma_client *dma_in;
|
338 |
}; |
339 |
|
340 |
/* MDIO bus. */
|
341 |
struct qemu_mdio mdio_bus;
|
342 |
unsigned int phyaddr; |
343 |
int duplex_mismatch;
|
344 |
|
345 |
/* PHY. */
|
346 |
struct qemu_phy phy;
|
347 |
}; |
348 |
|
349 |
static void eth_validate_duplex(struct fs_eth *eth) |
350 |
{ |
351 |
struct qemu_phy *phy;
|
352 |
unsigned int phy_duplex; |
353 |
unsigned int mac_duplex; |
354 |
int new_mm = 0; |
355 |
|
356 |
phy = eth->mdio_bus.devs[eth->phyaddr]; |
357 |
phy_duplex = !!(phy->read(phy, 18) & (1 << 11)); |
358 |
mac_duplex = !!(eth->regs[RW_REC_CTRL] & 128);
|
359 |
|
360 |
if (mac_duplex != phy_duplex)
|
361 |
new_mm = 1;
|
362 |
|
363 |
if (eth->regs[RW_GEN_CTRL] & 1) { |
364 |
if (new_mm != eth->duplex_mismatch) {
|
365 |
if (new_mm)
|
366 |
printf("HW: WARNING "
|
367 |
"ETH duplex mismatch MAC=%d PHY=%d\n",
|
368 |
mac_duplex, phy_duplex); |
369 |
else
|
370 |
printf("HW: ETH duplex ok.\n");
|
371 |
} |
372 |
eth->duplex_mismatch = new_mm; |
373 |
} |
374 |
} |
375 |
|
376 |
static uint64_t
|
377 |
eth_read(void *opaque, target_phys_addr_t addr, unsigned int size) |
378 |
{ |
379 |
struct fs_eth *eth = opaque;
|
380 |
uint32_t r = 0;
|
381 |
|
382 |
addr >>= 2;
|
383 |
|
384 |
switch (addr) {
|
385 |
case R_STAT:
|
386 |
r = eth->mdio_bus.mdio & 1;
|
387 |
break;
|
388 |
default:
|
389 |
r = eth->regs[addr]; |
390 |
D(printf ("%s %x\n", __func__, addr * 4)); |
391 |
break;
|
392 |
} |
393 |
return r;
|
394 |
} |
395 |
|
396 |
static void eth_update_ma(struct fs_eth *eth, int ma) |
397 |
{ |
398 |
int reg;
|
399 |
int i = 0; |
400 |
|
401 |
ma &= 1;
|
402 |
|
403 |
reg = RW_MA0_LO; |
404 |
if (ma)
|
405 |
reg = RW_MA1_LO; |
406 |
|
407 |
eth->macaddr[ma][i++] = eth->regs[reg]; |
408 |
eth->macaddr[ma][i++] = eth->regs[reg] >> 8;
|
409 |
eth->macaddr[ma][i++] = eth->regs[reg] >> 16;
|
410 |
eth->macaddr[ma][i++] = eth->regs[reg] >> 24;
|
411 |
eth->macaddr[ma][i++] = eth->regs[reg + 1];
|
412 |
eth->macaddr[ma][i] = eth->regs[reg + 1] >> 8; |
413 |
|
414 |
D(printf("set mac%d=%x.%x.%x.%x.%x.%x\n", ma,
|
415 |
eth->macaddr[ma][0], eth->macaddr[ma][1], |
416 |
eth->macaddr[ma][2], eth->macaddr[ma][3], |
417 |
eth->macaddr[ma][4], eth->macaddr[ma][5])); |
418 |
} |
419 |
|
420 |
static void |
421 |
eth_write(void *opaque, target_phys_addr_t addr,
|
422 |
uint64_t val64, unsigned int size) |
423 |
{ |
424 |
struct fs_eth *eth = opaque;
|
425 |
uint32_t value = val64; |
426 |
|
427 |
addr >>= 2;
|
428 |
switch (addr)
|
429 |
{ |
430 |
case RW_MA0_LO:
|
431 |
case RW_MA0_HI:
|
432 |
eth->regs[addr] = value; |
433 |
eth_update_ma(eth, 0);
|
434 |
break;
|
435 |
case RW_MA1_LO:
|
436 |
case RW_MA1_HI:
|
437 |
eth->regs[addr] = value; |
438 |
eth_update_ma(eth, 1);
|
439 |
break;
|
440 |
|
441 |
case RW_MGM_CTRL:
|
442 |
/* Attach an MDIO/PHY abstraction. */
|
443 |
if (value & 2) |
444 |
eth->mdio_bus.mdio = value & 1;
|
445 |
if (eth->mdio_bus.mdc != (value & 4)) { |
446 |
mdio_cycle(ð->mdio_bus); |
447 |
eth_validate_duplex(eth); |
448 |
} |
449 |
eth->mdio_bus.mdc = !!(value & 4);
|
450 |
eth->regs[addr] = value; |
451 |
break;
|
452 |
|
453 |
case RW_REC_CTRL:
|
454 |
eth->regs[addr] = value; |
455 |
eth_validate_duplex(eth); |
456 |
break;
|
457 |
|
458 |
default:
|
459 |
eth->regs[addr] = value; |
460 |
D(printf ("%s %x %x\n",
|
461 |
__func__, addr, value)); |
462 |
break;
|
463 |
} |
464 |
} |
465 |
|
466 |
/* The ETRAX FS has a groupt address table (GAT) which works like a k=1 bloom
|
467 |
filter dropping group addresses we have not joined. The filter has 64
|
468 |
bits (m). The has function is a simple nible xor of the group addr. */
|
469 |
static int eth_match_groupaddr(struct fs_eth *eth, const unsigned char *sa) |
470 |
{ |
471 |
unsigned int hsh; |
472 |
int m_individual = eth->regs[RW_REC_CTRL] & 4; |
473 |
int match;
|
474 |
|
475 |
/* First bit on the wire of a MAC address signals multicast or
|
476 |
physical address. */
|
477 |
if (!m_individual && !(sa[0] & 1)) |
478 |
return 0; |
479 |
|
480 |
/* Calculate the hash index for the GA registers. */
|
481 |
hsh = 0;
|
482 |
hsh ^= (*sa) & 0x3f;
|
483 |
hsh ^= ((*sa) >> 6) & 0x03; |
484 |
++sa; |
485 |
hsh ^= ((*sa) << 2) & 0x03c; |
486 |
hsh ^= ((*sa) >> 4) & 0xf; |
487 |
++sa; |
488 |
hsh ^= ((*sa) << 4) & 0x30; |
489 |
hsh ^= ((*sa) >> 2) & 0x3f; |
490 |
++sa; |
491 |
hsh ^= (*sa) & 0x3f;
|
492 |
hsh ^= ((*sa) >> 6) & 0x03; |
493 |
++sa; |
494 |
hsh ^= ((*sa) << 2) & 0x03c; |
495 |
hsh ^= ((*sa) >> 4) & 0xf; |
496 |
++sa; |
497 |
hsh ^= ((*sa) << 4) & 0x30; |
498 |
hsh ^= ((*sa) >> 2) & 0x3f; |
499 |
|
500 |
hsh &= 63;
|
501 |
if (hsh > 31) |
502 |
match = eth->regs[RW_GA_HI] & (1 << (hsh - 32)); |
503 |
else
|
504 |
match = eth->regs[RW_GA_LO] & (1 << hsh);
|
505 |
D(printf("hsh=%x ga=%x.%x mtch=%d\n", hsh,
|
506 |
eth->regs[RW_GA_HI], eth->regs[RW_GA_LO], match)); |
507 |
return match;
|
508 |
} |
509 |
|
510 |
static int eth_can_receive(NetClientState *nc) |
511 |
{ |
512 |
return 1; |
513 |
} |
514 |
|
515 |
static ssize_t eth_receive(NetClientState *nc, const uint8_t *buf, size_t size) |
516 |
{ |
517 |
unsigned char sa_bcast[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; |
518 |
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
|
519 |
int use_ma0 = eth->regs[RW_REC_CTRL] & 1; |
520 |
int use_ma1 = eth->regs[RW_REC_CTRL] & 2; |
521 |
int r_bcast = eth->regs[RW_REC_CTRL] & 8; |
522 |
|
523 |
if (size < 12) |
524 |
return -1; |
525 |
|
526 |
D(printf("%x.%x.%x.%x.%x.%x ma=%d %d bc=%d\n",
|
527 |
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], |
528 |
use_ma0, use_ma1, r_bcast)); |
529 |
|
530 |
/* Does the frame get through the address filters? */
|
531 |
if ((!use_ma0 || memcmp(buf, eth->macaddr[0], 6)) |
532 |
&& (!use_ma1 || memcmp(buf, eth->macaddr[1], 6)) |
533 |
&& (!r_bcast || memcmp(buf, sa_bcast, 6))
|
534 |
&& !eth_match_groupaddr(eth, buf)) |
535 |
return size;
|
536 |
|
537 |
/* FIXME: Find another way to pass on the fake csum. */
|
538 |
etraxfs_dmac_input(eth->dma_in, (void *)buf, size + 4, 1); |
539 |
|
540 |
return size;
|
541 |
} |
542 |
|
543 |
static int eth_tx_push(void *opaque, unsigned char *buf, int len, bool eop) |
544 |
{ |
545 |
struct fs_eth *eth = opaque;
|
546 |
|
547 |
D(printf("%s buf=%p len=%d\n", __func__, buf, len));
|
548 |
qemu_send_packet(ð->nic->nc, buf, len); |
549 |
return len;
|
550 |
} |
551 |
|
552 |
static void eth_set_link(NetClientState *nc) |
553 |
{ |
554 |
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
|
555 |
D(printf("%s %d\n", __func__, nc->link_down));
|
556 |
eth->phy.link = !nc->link_down; |
557 |
} |
558 |
|
559 |
static const MemoryRegionOps eth_ops = { |
560 |
.read = eth_read, |
561 |
.write = eth_write, |
562 |
.endianness = DEVICE_LITTLE_ENDIAN, |
563 |
.valid = { |
564 |
.min_access_size = 4,
|
565 |
.max_access_size = 4
|
566 |
} |
567 |
}; |
568 |
|
569 |
static void eth_cleanup(NetClientState *nc) |
570 |
{ |
571 |
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
|
572 |
|
573 |
/* Disconnect the client. */
|
574 |
eth->dma_out->client.push = NULL;
|
575 |
eth->dma_out->client.opaque = NULL;
|
576 |
eth->dma_in->client.opaque = NULL;
|
577 |
eth->dma_in->client.pull = NULL;
|
578 |
g_free(eth); |
579 |
} |
580 |
|
581 |
static NetClientInfo net_etraxfs_info = {
|
582 |
.type = NET_CLIENT_OPTIONS_KIND_NIC, |
583 |
.size = sizeof(NICState),
|
584 |
.can_receive = eth_can_receive, |
585 |
.receive = eth_receive, |
586 |
.cleanup = eth_cleanup, |
587 |
.link_status_changed = eth_set_link, |
588 |
}; |
589 |
|
590 |
static int fs_eth_init(SysBusDevice *dev) |
591 |
{ |
592 |
struct fs_eth *s = FROM_SYSBUS(typeof(*s), dev);
|
593 |
|
594 |
if (!s->dma_out || !s->dma_in) {
|
595 |
hw_error("Unconnected ETRAX-FS Ethernet MAC.\n");
|
596 |
} |
597 |
|
598 |
s->dma_out->client.push = eth_tx_push; |
599 |
s->dma_out->client.opaque = s; |
600 |
s->dma_in->client.opaque = s; |
601 |
s->dma_in->client.pull = NULL;
|
602 |
|
603 |
memory_region_init_io(&s->mmio, ð_ops, s, "etraxfs-eth", 0x5c); |
604 |
sysbus_init_mmio(dev, &s->mmio); |
605 |
|
606 |
qemu_macaddr_default_if_unset(&s->conf.macaddr); |
607 |
s->nic = qemu_new_nic(&net_etraxfs_info, &s->conf, |
608 |
object_get_typename(OBJECT(s)), dev->qdev.id, s); |
609 |
qemu_format_nic_info_str(&s->nic->nc, s->conf.macaddr.a); |
610 |
|
611 |
tdk_init(&s->phy); |
612 |
mdio_attach(&s->mdio_bus, &s->phy, s->phyaddr); |
613 |
return 0; |
614 |
} |
615 |
|
616 |
static Property etraxfs_eth_properties[] = {
|
617 |
DEFINE_PROP_UINT32("phyaddr", struct fs_eth, phyaddr, 1), |
618 |
DEFINE_PROP_PTR("dma_out", struct fs_eth, vdma_out), |
619 |
DEFINE_PROP_PTR("dma_in", struct fs_eth, vdma_in), |
620 |
DEFINE_NIC_PROPERTIES(struct fs_eth, conf),
|
621 |
DEFINE_PROP_END_OF_LIST(), |
622 |
}; |
623 |
|
624 |
static void etraxfs_eth_class_init(ObjectClass *klass, void *data) |
625 |
{ |
626 |
DeviceClass *dc = DEVICE_CLASS(klass); |
627 |
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); |
628 |
|
629 |
k->init = fs_eth_init; |
630 |
dc->props = etraxfs_eth_properties; |
631 |
} |
632 |
|
633 |
static TypeInfo etraxfs_eth_info = {
|
634 |
.name = "etraxfs-eth",
|
635 |
.parent = TYPE_SYS_BUS_DEVICE, |
636 |
.instance_size = sizeof(struct fs_eth), |
637 |
.class_init = etraxfs_eth_class_init, |
638 |
}; |
639 |
|
640 |
static void etraxfs_eth_register_types(void) |
641 |
{ |
642 |
type_register_static(&etraxfs_eth_info); |
643 |
} |
644 |
|
645 |
type_init(etraxfs_eth_register_types) |