1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /*
3 * Copyright (c) 2018 Synopsys, Inc. and/or its affiliates.
4 * stmmac XGMAC support.
5 */
6
7 #include <linux/bitrev.h>
8 #include <linux/crc32.h>
9 #include <linux/iopoll.h>
10 #include "stmmac.h"
11 #include "stmmac_ptp.h"
12 #include "dwxlgmac2.h"
13 #include "dwxgmac2.h"
14
dwxgmac2_core_init(struct mac_device_info * hw,struct net_device * dev)15 static void dwxgmac2_core_init(struct mac_device_info *hw,
16 struct net_device *dev)
17 {
18 void __iomem *ioaddr = hw->pcsr;
19 u32 tx, rx;
20
21 tx = readl(ioaddr + XGMAC_TX_CONFIG);
22 rx = readl(ioaddr + XGMAC_RX_CONFIG);
23
24 tx |= XGMAC_CORE_INIT_TX;
25 rx |= XGMAC_CORE_INIT_RX;
26
27 if (hw->ps) {
28 tx |= XGMAC_CONFIG_TE;
29 tx &= ~hw->link.speed_mask;
30
31 switch (hw->ps) {
32 case SPEED_10000:
33 tx |= hw->link.xgmii.speed10000;
34 break;
35 case SPEED_2500:
36 tx |= hw->link.speed2500;
37 break;
38 case SPEED_1000:
39 default:
40 tx |= hw->link.speed1000;
41 break;
42 }
43 }
44
45 writel(tx, ioaddr + XGMAC_TX_CONFIG);
46 writel(rx, ioaddr + XGMAC_RX_CONFIG);
47 writel(XGMAC_INT_DEFAULT_EN, ioaddr + XGMAC_INT_EN);
48 }
49
dwxgmac2_set_mac(void __iomem * ioaddr,bool enable)50 static void dwxgmac2_set_mac(void __iomem *ioaddr, bool enable)
51 {
52 u32 tx = readl(ioaddr + XGMAC_TX_CONFIG);
53 u32 rx = readl(ioaddr + XGMAC_RX_CONFIG);
54
55 if (enable) {
56 tx |= XGMAC_CONFIG_TE;
57 rx |= XGMAC_CONFIG_RE;
58 } else {
59 tx &= ~XGMAC_CONFIG_TE;
60 rx &= ~XGMAC_CONFIG_RE;
61 }
62
63 writel(tx, ioaddr + XGMAC_TX_CONFIG);
64 writel(rx, ioaddr + XGMAC_RX_CONFIG);
65 }
66
dwxgmac2_rx_ipc(struct mac_device_info * hw)67 static int dwxgmac2_rx_ipc(struct mac_device_info *hw)
68 {
69 void __iomem *ioaddr = hw->pcsr;
70 u32 value;
71
72 value = readl(ioaddr + XGMAC_RX_CONFIG);
73 if (hw->rx_csum)
74 value |= XGMAC_CONFIG_IPC;
75 else
76 value &= ~XGMAC_CONFIG_IPC;
77 writel(value, ioaddr + XGMAC_RX_CONFIG);
78
79 return !!(readl(ioaddr + XGMAC_RX_CONFIG) & XGMAC_CONFIG_IPC);
80 }
81
dwxgmac2_rx_queue_enable(struct mac_device_info * hw,u8 mode,u32 queue)82 static void dwxgmac2_rx_queue_enable(struct mac_device_info *hw, u8 mode,
83 u32 queue)
84 {
85 void __iomem *ioaddr = hw->pcsr;
86 u32 value;
87
88 value = readl(ioaddr + XGMAC_RXQ_CTRL0) & ~XGMAC_RXQEN(queue);
89 if (mode == MTL_QUEUE_AVB)
90 value |= 0x1 << XGMAC_RXQEN_SHIFT(queue);
91 else if (mode == MTL_QUEUE_DCB)
92 value |= 0x2 << XGMAC_RXQEN_SHIFT(queue);
93 writel(value, ioaddr + XGMAC_RXQ_CTRL0);
94 }
95
dwxgmac2_rx_queue_prio(struct mac_device_info * hw,u32 prio,u32 queue)96 static void dwxgmac2_rx_queue_prio(struct mac_device_info *hw, u32 prio,
97 u32 queue)
98 {
99 void __iomem *ioaddr = hw->pcsr;
100 u32 value, reg;
101
102 reg = (queue < 4) ? XGMAC_RXQ_CTRL2 : XGMAC_RXQ_CTRL3;
103 if (queue >= 4)
104 queue -= 4;
105
106 value = readl(ioaddr + reg);
107 value &= ~XGMAC_PSRQ(queue);
108 value |= (prio << XGMAC_PSRQ_SHIFT(queue)) & XGMAC_PSRQ(queue);
109
110 writel(value, ioaddr + reg);
111 }
112
dwxgmac2_tx_queue_prio(struct mac_device_info * hw,u32 prio,u32 queue)113 static void dwxgmac2_tx_queue_prio(struct mac_device_info *hw, u32 prio,
114 u32 queue)
115 {
116 void __iomem *ioaddr = hw->pcsr;
117 u32 value, reg;
118
119 reg = (queue < 4) ? XGMAC_TC_PRTY_MAP0 : XGMAC_TC_PRTY_MAP1;
120 if (queue >= 4)
121 queue -= 4;
122
123 value = readl(ioaddr + reg);
124 value &= ~XGMAC_PSTC(queue);
125 value |= (prio << XGMAC_PSTC_SHIFT(queue)) & XGMAC_PSTC(queue);
126
127 writel(value, ioaddr + reg);
128 }
129
dwxgmac2_prog_mtl_rx_algorithms(struct mac_device_info * hw,u32 rx_alg)130 static void dwxgmac2_prog_mtl_rx_algorithms(struct mac_device_info *hw,
131 u32 rx_alg)
132 {
133 void __iomem *ioaddr = hw->pcsr;
134 u32 value;
135
136 value = readl(ioaddr + XGMAC_MTL_OPMODE);
137 value &= ~XGMAC_RAA;
138
139 switch (rx_alg) {
140 case MTL_RX_ALGORITHM_SP:
141 break;
142 case MTL_RX_ALGORITHM_WSP:
143 value |= XGMAC_RAA;
144 break;
145 default:
146 break;
147 }
148
149 writel(value, ioaddr + XGMAC_MTL_OPMODE);
150 }
151
dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info * hw,u32 tx_alg)152 static void dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info *hw,
153 u32 tx_alg)
154 {
155 void __iomem *ioaddr = hw->pcsr;
156 bool ets = true;
157 u32 value;
158 int i;
159
160 value = readl(ioaddr + XGMAC_MTL_OPMODE);
161 value &= ~XGMAC_ETSALG;
162
163 switch (tx_alg) {
164 case MTL_TX_ALGORITHM_WRR:
165 value |= XGMAC_WRR;
166 break;
167 case MTL_TX_ALGORITHM_WFQ:
168 value |= XGMAC_WFQ;
169 break;
170 case MTL_TX_ALGORITHM_DWRR:
171 value |= XGMAC_DWRR;
172 break;
173 default:
174 ets = false;
175 break;
176 }
177
178 writel(value, ioaddr + XGMAC_MTL_OPMODE);
179
180 /* Set ETS if desired */
181 for (i = 0; i < MTL_MAX_TX_QUEUES; i++) {
182 value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
183 value &= ~XGMAC_TSA;
184 if (ets)
185 value |= XGMAC_ETS;
186 writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
187 }
188 }
189
dwxgmac2_set_mtl_tx_queue_weight(struct mac_device_info * hw,u32 weight,u32 queue)190 static void dwxgmac2_set_mtl_tx_queue_weight(struct mac_device_info *hw,
191 u32 weight, u32 queue)
192 {
193 void __iomem *ioaddr = hw->pcsr;
194
195 writel(weight, ioaddr + XGMAC_MTL_TCx_QUANTUM_WEIGHT(queue));
196 }
197
dwxgmac2_map_mtl_to_dma(struct mac_device_info * hw,u32 queue,u32 chan)198 static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue,
199 u32 chan)
200 {
201 void __iomem *ioaddr = hw->pcsr;
202 u32 value, reg;
203
204 reg = (queue < 4) ? XGMAC_MTL_RXQ_DMA_MAP0 : XGMAC_MTL_RXQ_DMA_MAP1;
205 if (queue >= 4)
206 queue -= 4;
207
208 value = readl(ioaddr + reg);
209 value &= ~XGMAC_QxMDMACH(queue);
210 value |= (chan << XGMAC_QxMDMACH_SHIFT(queue)) & XGMAC_QxMDMACH(queue);
211
212 writel(value, ioaddr + reg);
213 }
214
dwxgmac2_config_cbs(struct mac_device_info * hw,u32 send_slope,u32 idle_slope,u32 high_credit,u32 low_credit,u32 queue)215 static void dwxgmac2_config_cbs(struct mac_device_info *hw,
216 u32 send_slope, u32 idle_slope,
217 u32 high_credit, u32 low_credit, u32 queue)
218 {
219 void __iomem *ioaddr = hw->pcsr;
220 u32 value;
221
222 writel(send_slope, ioaddr + XGMAC_MTL_TCx_SENDSLOPE(queue));
223 writel(idle_slope, ioaddr + XGMAC_MTL_TCx_QUANTUM_WEIGHT(queue));
224 writel(high_credit, ioaddr + XGMAC_MTL_TCx_HICREDIT(queue));
225 writel(low_credit, ioaddr + XGMAC_MTL_TCx_LOCREDIT(queue));
226
227 value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
228 value &= ~XGMAC_TSA;
229 value |= XGMAC_CC | XGMAC_CBS;
230 writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
231 }
232
dwxgmac2_dump_regs(struct mac_device_info * hw,u32 * reg_space)233 static void dwxgmac2_dump_regs(struct mac_device_info *hw, u32 *reg_space)
234 {
235 void __iomem *ioaddr = hw->pcsr;
236 int i;
237
238 for (i = 0; i < XGMAC_MAC_REGSIZE; i++)
239 reg_space[i] = readl(ioaddr + i * 4);
240 }
241
dwxgmac2_host_irq_status(struct mac_device_info * hw,struct stmmac_extra_stats * x)242 static int dwxgmac2_host_irq_status(struct mac_device_info *hw,
243 struct stmmac_extra_stats *x)
244 {
245 void __iomem *ioaddr = hw->pcsr;
246 u32 stat, en;
247 int ret = 0;
248
249 en = readl(ioaddr + XGMAC_INT_EN);
250 stat = readl(ioaddr + XGMAC_INT_STATUS);
251
252 stat &= en;
253
254 if (stat & XGMAC_PMTIS) {
255 x->irq_receive_pmt_irq_n++;
256 readl(ioaddr + XGMAC_PMT);
257 }
258
259 if (stat & XGMAC_LPIIS) {
260 u32 lpi = readl(ioaddr + XGMAC_LPI_CTRL);
261
262 if (lpi & XGMAC_TLPIEN) {
263 ret |= CORE_IRQ_TX_PATH_IN_LPI_MODE;
264 x->irq_tx_path_in_lpi_mode_n++;
265 }
266 if (lpi & XGMAC_TLPIEX) {
267 ret |= CORE_IRQ_TX_PATH_EXIT_LPI_MODE;
268 x->irq_tx_path_exit_lpi_mode_n++;
269 }
270 if (lpi & XGMAC_RLPIEN)
271 x->irq_rx_path_in_lpi_mode_n++;
272 if (lpi & XGMAC_RLPIEX)
273 x->irq_rx_path_exit_lpi_mode_n++;
274 }
275
276 return ret;
277 }
278
dwxgmac2_host_mtl_irq_status(struct mac_device_info * hw,u32 chan)279 static int dwxgmac2_host_mtl_irq_status(struct mac_device_info *hw, u32 chan)
280 {
281 void __iomem *ioaddr = hw->pcsr;
282 int ret = 0;
283 u32 status;
284
285 status = readl(ioaddr + XGMAC_MTL_INT_STATUS);
286 if (status & BIT(chan)) {
287 u32 chan_status = readl(ioaddr + XGMAC_MTL_QINT_STATUS(chan));
288
289 if (chan_status & XGMAC_RXOVFIS)
290 ret |= CORE_IRQ_MTL_RX_OVERFLOW;
291
292 writel(~0x0, ioaddr + XGMAC_MTL_QINT_STATUS(chan));
293 }
294
295 return ret;
296 }
297
dwxgmac2_flow_ctrl(struct mac_device_info * hw,unsigned int duplex,unsigned int fc,unsigned int pause_time,u32 tx_cnt)298 static void dwxgmac2_flow_ctrl(struct mac_device_info *hw, unsigned int duplex,
299 unsigned int fc, unsigned int pause_time,
300 u32 tx_cnt)
301 {
302 void __iomem *ioaddr = hw->pcsr;
303 u32 i;
304
305 if (fc & FLOW_RX)
306 writel(XGMAC_RFE, ioaddr + XGMAC_RX_FLOW_CTRL);
307 if (fc & FLOW_TX) {
308 for (i = 0; i < tx_cnt; i++) {
309 u32 value = XGMAC_TFE;
310
311 if (duplex)
312 value |= pause_time << XGMAC_PT_SHIFT;
313
314 writel(value, ioaddr + XGMAC_Qx_TX_FLOW_CTRL(i));
315 }
316 }
317 }
318
dwxgmac2_pmt(struct mac_device_info * hw,unsigned long mode)319 static void dwxgmac2_pmt(struct mac_device_info *hw, unsigned long mode)
320 {
321 void __iomem *ioaddr = hw->pcsr;
322 u32 val = 0x0;
323
324 if (mode & WAKE_MAGIC)
325 val |= XGMAC_PWRDWN | XGMAC_MGKPKTEN;
326 if (mode & WAKE_UCAST)
327 val |= XGMAC_PWRDWN | XGMAC_GLBLUCAST | XGMAC_RWKPKTEN;
328 if (val) {
329 u32 cfg = readl(ioaddr + XGMAC_RX_CONFIG);
330 cfg |= XGMAC_CONFIG_RE;
331 writel(cfg, ioaddr + XGMAC_RX_CONFIG);
332 }
333
334 writel(val, ioaddr + XGMAC_PMT);
335 }
336
dwxgmac2_set_umac_addr(struct mac_device_info * hw,const unsigned char * addr,unsigned int reg_n)337 static void dwxgmac2_set_umac_addr(struct mac_device_info *hw,
338 const unsigned char *addr,
339 unsigned int reg_n)
340 {
341 void __iomem *ioaddr = hw->pcsr;
342 u32 value;
343
344 value = (addr[5] << 8) | addr[4];
345 writel(value | XGMAC_AE, ioaddr + XGMAC_ADDRx_HIGH(reg_n));
346
347 value = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
348 writel(value, ioaddr + XGMAC_ADDRx_LOW(reg_n));
349 }
350
dwxgmac2_get_umac_addr(struct mac_device_info * hw,unsigned char * addr,unsigned int reg_n)351 static void dwxgmac2_get_umac_addr(struct mac_device_info *hw,
352 unsigned char *addr, unsigned int reg_n)
353 {
354 void __iomem *ioaddr = hw->pcsr;
355 u32 hi_addr, lo_addr;
356
357 /* Read the MAC address from the hardware */
358 hi_addr = readl(ioaddr + XGMAC_ADDRx_HIGH(reg_n));
359 lo_addr = readl(ioaddr + XGMAC_ADDRx_LOW(reg_n));
360
361 /* Extract the MAC address from the high and low words */
362 addr[0] = lo_addr & 0xff;
363 addr[1] = (lo_addr >> 8) & 0xff;
364 addr[2] = (lo_addr >> 16) & 0xff;
365 addr[3] = (lo_addr >> 24) & 0xff;
366 addr[4] = hi_addr & 0xff;
367 addr[5] = (hi_addr >> 8) & 0xff;
368 }
369
dwxgmac2_set_eee_mode(struct mac_device_info * hw,bool en_tx_lpi_clockgating)370 static void dwxgmac2_set_eee_mode(struct mac_device_info *hw,
371 bool en_tx_lpi_clockgating)
372 {
373 void __iomem *ioaddr = hw->pcsr;
374 u32 value;
375
376 value = readl(ioaddr + XGMAC_LPI_CTRL);
377
378 value |= XGMAC_LPITXEN | XGMAC_LPITXA;
379 if (en_tx_lpi_clockgating)
380 value |= XGMAC_TXCGE;
381
382 writel(value, ioaddr + XGMAC_LPI_CTRL);
383 }
384
dwxgmac2_reset_eee_mode(struct mac_device_info * hw)385 static void dwxgmac2_reset_eee_mode(struct mac_device_info *hw)
386 {
387 void __iomem *ioaddr = hw->pcsr;
388 u32 value;
389
390 value = readl(ioaddr + XGMAC_LPI_CTRL);
391 value &= ~(XGMAC_LPITXEN | XGMAC_LPITXA | XGMAC_TXCGE);
392 writel(value, ioaddr + XGMAC_LPI_CTRL);
393 }
394
dwxgmac2_set_eee_pls(struct mac_device_info * hw,int link)395 static void dwxgmac2_set_eee_pls(struct mac_device_info *hw, int link)
396 {
397 void __iomem *ioaddr = hw->pcsr;
398 u32 value;
399
400 value = readl(ioaddr + XGMAC_LPI_CTRL);
401 if (link)
402 value |= XGMAC_PLS;
403 else
404 value &= ~XGMAC_PLS;
405 writel(value, ioaddr + XGMAC_LPI_CTRL);
406 }
407
dwxgmac2_set_eee_timer(struct mac_device_info * hw,int ls,int tw)408 static void dwxgmac2_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
409 {
410 void __iomem *ioaddr = hw->pcsr;
411 u32 value;
412
413 value = (tw & 0xffff) | ((ls & 0x3ff) << 16);
414 writel(value, ioaddr + XGMAC_LPI_TIMER_CTRL);
415 }
416
dwxgmac2_set_mchash(void __iomem * ioaddr,u32 * mcfilterbits,int mcbitslog2)417 static void dwxgmac2_set_mchash(void __iomem *ioaddr, u32 *mcfilterbits,
418 int mcbitslog2)
419 {
420 int numhashregs, regs;
421
422 switch (mcbitslog2) {
423 case 6:
424 numhashregs = 2;
425 break;
426 case 7:
427 numhashregs = 4;
428 break;
429 case 8:
430 numhashregs = 8;
431 break;
432 default:
433 return;
434 }
435
436 for (regs = 0; regs < numhashregs; regs++)
437 writel(mcfilterbits[regs], ioaddr + XGMAC_HASH_TABLE(regs));
438 }
439
dwxgmac2_set_filter(struct mac_device_info * hw,struct net_device * dev)440 static void dwxgmac2_set_filter(struct mac_device_info *hw,
441 struct net_device *dev)
442 {
443 void __iomem *ioaddr = (void __iomem *)dev->base_addr;
444 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
445 int mcbitslog2 = hw->mcast_bits_log2;
446 u32 mc_filter[8];
447 int i;
448
449 value &= ~(XGMAC_FILTER_PR | XGMAC_FILTER_HMC | XGMAC_FILTER_PM);
450 value |= XGMAC_FILTER_HPF;
451
452 memset(mc_filter, 0, sizeof(mc_filter));
453
454 if (dev->flags & IFF_PROMISC) {
455 value |= XGMAC_FILTER_PR;
456 value |= XGMAC_FILTER_PCF;
457 } else if ((dev->flags & IFF_ALLMULTI) ||
458 (netdev_mc_count(dev) > hw->multicast_filter_bins)) {
459 value |= XGMAC_FILTER_PM;
460
461 for (i = 0; i < XGMAC_MAX_HASH_TABLE; i++)
462 writel(~0x0, ioaddr + XGMAC_HASH_TABLE(i));
463 } else if (!netdev_mc_empty(dev) && (dev->flags & IFF_MULTICAST)) {
464 struct netdev_hw_addr *ha;
465
466 value |= XGMAC_FILTER_HMC;
467
468 netdev_for_each_mc_addr(ha, dev) {
469 u32 nr = (bitrev32(~crc32_le(~0, ha->addr, 6)) >>
470 (32 - mcbitslog2));
471 mc_filter[nr >> 5] |= (1 << (nr & 0x1F));
472 }
473 }
474
475 dwxgmac2_set_mchash(ioaddr, mc_filter, mcbitslog2);
476
477 /* Handle multiple unicast addresses */
478 if (netdev_uc_count(dev) > hw->unicast_filter_entries) {
479 value |= XGMAC_FILTER_PR;
480 } else {
481 struct netdev_hw_addr *ha;
482 int reg = 1;
483
484 netdev_for_each_uc_addr(ha, dev) {
485 dwxgmac2_set_umac_addr(hw, ha->addr, reg);
486 reg++;
487 }
488
489 for ( ; reg < XGMAC_ADDR_MAX; reg++) {
490 writel(0, ioaddr + XGMAC_ADDRx_HIGH(reg));
491 writel(0, ioaddr + XGMAC_ADDRx_LOW(reg));
492 }
493 }
494
495 writel(value, ioaddr + XGMAC_PACKET_FILTER);
496 }
497
dwxgmac2_set_mac_loopback(void __iomem * ioaddr,bool enable)498 static void dwxgmac2_set_mac_loopback(void __iomem *ioaddr, bool enable)
499 {
500 u32 value = readl(ioaddr + XGMAC_RX_CONFIG);
501
502 if (enable)
503 value |= XGMAC_CONFIG_LM;
504 else
505 value &= ~XGMAC_CONFIG_LM;
506
507 writel(value, ioaddr + XGMAC_RX_CONFIG);
508 }
509
dwxgmac2_rss_write_reg(void __iomem * ioaddr,bool is_key,int idx,u32 val)510 static int dwxgmac2_rss_write_reg(void __iomem *ioaddr, bool is_key, int idx,
511 u32 val)
512 {
513 u32 ctrl = 0;
514
515 writel(val, ioaddr + XGMAC_RSS_DATA);
516 ctrl |= idx << XGMAC_RSSIA_SHIFT;
517 ctrl |= is_key ? XGMAC_ADDRT : 0x0;
518 ctrl |= XGMAC_OB;
519 writel(ctrl, ioaddr + XGMAC_RSS_ADDR);
520
521 return readl_poll_timeout(ioaddr + XGMAC_RSS_ADDR, ctrl,
522 !(ctrl & XGMAC_OB), 100, 10000);
523 }
524
dwxgmac2_rss_configure(struct mac_device_info * hw,struct stmmac_rss * cfg,u32 num_rxq)525 static int dwxgmac2_rss_configure(struct mac_device_info *hw,
526 struct stmmac_rss *cfg, u32 num_rxq)
527 {
528 void __iomem *ioaddr = hw->pcsr;
529 u32 value, *key;
530 int i, ret;
531
532 value = readl(ioaddr + XGMAC_RSS_CTRL);
533 if (!cfg || !cfg->enable) {
534 value &= ~XGMAC_RSSE;
535 writel(value, ioaddr + XGMAC_RSS_CTRL);
536 return 0;
537 }
538
539 key = (u32 *)cfg->key;
540 for (i = 0; i < (ARRAY_SIZE(cfg->key) / sizeof(u32)); i++) {
541 ret = dwxgmac2_rss_write_reg(ioaddr, true, i, key[i]);
542 if (ret)
543 return ret;
544 }
545
546 for (i = 0; i < ARRAY_SIZE(cfg->table); i++) {
547 ret = dwxgmac2_rss_write_reg(ioaddr, false, i, cfg->table[i]);
548 if (ret)
549 return ret;
550 }
551
552 for (i = 0; i < num_rxq; i++)
553 dwxgmac2_map_mtl_to_dma(hw, i, XGMAC_QDDMACH);
554
555 value |= XGMAC_UDP4TE | XGMAC_TCP4TE | XGMAC_IP2TE | XGMAC_RSSE;
556 writel(value, ioaddr + XGMAC_RSS_CTRL);
557 return 0;
558 }
559
dwxgmac2_update_vlan_hash(struct mac_device_info * hw,u32 hash,__le16 perfect_match,bool is_double)560 static void dwxgmac2_update_vlan_hash(struct mac_device_info *hw, u32 hash,
561 __le16 perfect_match, bool is_double)
562 {
563 void __iomem *ioaddr = hw->pcsr;
564
565 writel(hash, ioaddr + XGMAC_VLAN_HASH_TABLE);
566
567 if (hash) {
568 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
569
570 value |= XGMAC_FILTER_VTFE;
571
572 writel(value, ioaddr + XGMAC_PACKET_FILTER);
573
574 value = readl(ioaddr + XGMAC_VLAN_TAG);
575
576 value |= XGMAC_VLAN_VTHM | XGMAC_VLAN_ETV;
577 if (is_double) {
578 value |= XGMAC_VLAN_EDVLP;
579 value |= XGMAC_VLAN_ESVL;
580 value |= XGMAC_VLAN_DOVLTC;
581 } else {
582 value &= ~XGMAC_VLAN_EDVLP;
583 value &= ~XGMAC_VLAN_ESVL;
584 value &= ~XGMAC_VLAN_DOVLTC;
585 }
586
587 value &= ~XGMAC_VLAN_VID;
588 writel(value, ioaddr + XGMAC_VLAN_TAG);
589 } else if (perfect_match) {
590 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
591
592 value |= XGMAC_FILTER_VTFE;
593
594 writel(value, ioaddr + XGMAC_PACKET_FILTER);
595
596 value = readl(ioaddr + XGMAC_VLAN_TAG);
597
598 value &= ~XGMAC_VLAN_VTHM;
599 value |= XGMAC_VLAN_ETV;
600 if (is_double) {
601 value |= XGMAC_VLAN_EDVLP;
602 value |= XGMAC_VLAN_ESVL;
603 value |= XGMAC_VLAN_DOVLTC;
604 } else {
605 value &= ~XGMAC_VLAN_EDVLP;
606 value &= ~XGMAC_VLAN_ESVL;
607 value &= ~XGMAC_VLAN_DOVLTC;
608 }
609
610 value &= ~XGMAC_VLAN_VID;
611 writel(value | perfect_match, ioaddr + XGMAC_VLAN_TAG);
612 } else {
613 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
614
615 value &= ~XGMAC_FILTER_VTFE;
616
617 writel(value, ioaddr + XGMAC_PACKET_FILTER);
618
619 value = readl(ioaddr + XGMAC_VLAN_TAG);
620
621 value &= ~(XGMAC_VLAN_VTHM | XGMAC_VLAN_ETV);
622 value &= ~(XGMAC_VLAN_EDVLP | XGMAC_VLAN_ESVL);
623 value &= ~XGMAC_VLAN_DOVLTC;
624 value &= ~XGMAC_VLAN_VID;
625
626 writel(value, ioaddr + XGMAC_VLAN_TAG);
627 }
628 }
629
630 struct dwxgmac3_error_desc {
631 bool valid;
632 const char *desc;
633 const char *detailed_desc;
634 };
635
636 #define STAT_OFF(field) offsetof(struct stmmac_safety_stats, field)
637
dwxgmac3_log_error(struct net_device * ndev,u32 value,bool corr,const char * module_name,const struct dwxgmac3_error_desc * desc,unsigned long field_offset,struct stmmac_safety_stats * stats)638 static void dwxgmac3_log_error(struct net_device *ndev, u32 value, bool corr,
639 const char *module_name,
640 const struct dwxgmac3_error_desc *desc,
641 unsigned long field_offset,
642 struct stmmac_safety_stats *stats)
643 {
644 unsigned long loc, mask;
645 u8 *bptr = (u8 *)stats;
646 unsigned long *ptr;
647
648 ptr = (unsigned long *)(bptr + field_offset);
649
650 mask = value;
651 for_each_set_bit(loc, &mask, 32) {
652 netdev_err(ndev, "Found %s error in %s: '%s: %s'\n", corr ?
653 "correctable" : "uncorrectable", module_name,
654 desc[loc].desc, desc[loc].detailed_desc);
655
656 /* Update counters */
657 ptr[loc]++;
658 }
659 }
660
661 static const struct dwxgmac3_error_desc dwxgmac3_mac_errors[32]= {
662 { true, "ATPES", "Application Transmit Interface Parity Check Error" },
663 { true, "DPES", "Descriptor Cache Data Path Parity Check Error" },
664 { true, "TPES", "TSO Data Path Parity Check Error" },
665 { true, "TSOPES", "TSO Header Data Path Parity Check Error" },
666 { true, "MTPES", "MTL Data Path Parity Check Error" },
667 { true, "MTSPES", "MTL TX Status Data Path Parity Check Error" },
668 { true, "MTBUPES", "MAC TBU Data Path Parity Check Error" },
669 { true, "MTFCPES", "MAC TFC Data Path Parity Check Error" },
670 { true, "ARPES", "Application Receive Interface Data Path Parity Check Error" },
671 { true, "MRWCPES", "MTL RWC Data Path Parity Check Error" },
672 { true, "MRRCPES", "MTL RCC Data Path Parity Check Error" },
673 { true, "CWPES", "CSR Write Data Path Parity Check Error" },
674 { true, "ASRPES", "AXI Slave Read Data Path Parity Check Error" },
675 { true, "TTES", "TX FSM Timeout Error" },
676 { true, "RTES", "RX FSM Timeout Error" },
677 { true, "CTES", "CSR FSM Timeout Error" },
678 { true, "ATES", "APP FSM Timeout Error" },
679 { true, "PTES", "PTP FSM Timeout Error" },
680 { false, "UNKNOWN", "Unknown Error" }, /* 18 */
681 { false, "UNKNOWN", "Unknown Error" }, /* 19 */
682 { false, "UNKNOWN", "Unknown Error" }, /* 20 */
683 { true, "MSTTES", "Master Read/Write Timeout Error" },
684 { true, "SLVTES", "Slave Read/Write Timeout Error" },
685 { true, "ATITES", "Application Timeout on ATI Interface Error" },
686 { true, "ARITES", "Application Timeout on ARI Interface Error" },
687 { true, "FSMPES", "FSM State Parity Error" },
688 { false, "UNKNOWN", "Unknown Error" }, /* 26 */
689 { false, "UNKNOWN", "Unknown Error" }, /* 27 */
690 { false, "UNKNOWN", "Unknown Error" }, /* 28 */
691 { false, "UNKNOWN", "Unknown Error" }, /* 29 */
692 { false, "UNKNOWN", "Unknown Error" }, /* 30 */
693 { true, "CPI", "Control Register Parity Check Error" },
694 };
695
dwxgmac3_handle_mac_err(struct net_device * ndev,void __iomem * ioaddr,bool correctable,struct stmmac_safety_stats * stats)696 static void dwxgmac3_handle_mac_err(struct net_device *ndev,
697 void __iomem *ioaddr, bool correctable,
698 struct stmmac_safety_stats *stats)
699 {
700 u32 value;
701
702 value = readl(ioaddr + XGMAC_MAC_DPP_FSM_INT_STATUS);
703 writel(value, ioaddr + XGMAC_MAC_DPP_FSM_INT_STATUS);
704
705 dwxgmac3_log_error(ndev, value, correctable, "MAC",
706 dwxgmac3_mac_errors, STAT_OFF(mac_errors), stats);
707 }
708
709 static const struct dwxgmac3_error_desc dwxgmac3_mtl_errors[32]= {
710 { true, "TXCES", "MTL TX Memory Error" },
711 { true, "TXAMS", "MTL TX Memory Address Mismatch Error" },
712 { true, "TXUES", "MTL TX Memory Error" },
713 { false, "UNKNOWN", "Unknown Error" }, /* 3 */
714 { true, "RXCES", "MTL RX Memory Error" },
715 { true, "RXAMS", "MTL RX Memory Address Mismatch Error" },
716 { true, "RXUES", "MTL RX Memory Error" },
717 { false, "UNKNOWN", "Unknown Error" }, /* 7 */
718 { true, "ECES", "MTL EST Memory Error" },
719 { true, "EAMS", "MTL EST Memory Address Mismatch Error" },
720 { true, "EUES", "MTL EST Memory Error" },
721 { false, "UNKNOWN", "Unknown Error" }, /* 11 */
722 { true, "RPCES", "MTL RX Parser Memory Error" },
723 { true, "RPAMS", "MTL RX Parser Memory Address Mismatch Error" },
724 { true, "RPUES", "MTL RX Parser Memory Error" },
725 { false, "UNKNOWN", "Unknown Error" }, /* 15 */
726 { false, "UNKNOWN", "Unknown Error" }, /* 16 */
727 { false, "UNKNOWN", "Unknown Error" }, /* 17 */
728 { false, "UNKNOWN", "Unknown Error" }, /* 18 */
729 { false, "UNKNOWN", "Unknown Error" }, /* 19 */
730 { false, "UNKNOWN", "Unknown Error" }, /* 20 */
731 { false, "UNKNOWN", "Unknown Error" }, /* 21 */
732 { false, "UNKNOWN", "Unknown Error" }, /* 22 */
733 { false, "UNKNOWN", "Unknown Error" }, /* 23 */
734 { false, "UNKNOWN", "Unknown Error" }, /* 24 */
735 { false, "UNKNOWN", "Unknown Error" }, /* 25 */
736 { false, "UNKNOWN", "Unknown Error" }, /* 26 */
737 { false, "UNKNOWN", "Unknown Error" }, /* 27 */
738 { false, "UNKNOWN", "Unknown Error" }, /* 28 */
739 { false, "UNKNOWN", "Unknown Error" }, /* 29 */
740 { false, "UNKNOWN", "Unknown Error" }, /* 30 */
741 { false, "UNKNOWN", "Unknown Error" }, /* 31 */
742 };
743
dwxgmac3_handle_mtl_err(struct net_device * ndev,void __iomem * ioaddr,bool correctable,struct stmmac_safety_stats * stats)744 static void dwxgmac3_handle_mtl_err(struct net_device *ndev,
745 void __iomem *ioaddr, bool correctable,
746 struct stmmac_safety_stats *stats)
747 {
748 u32 value;
749
750 value = readl(ioaddr + XGMAC_MTL_ECC_INT_STATUS);
751 writel(value, ioaddr + XGMAC_MTL_ECC_INT_STATUS);
752
753 dwxgmac3_log_error(ndev, value, correctable, "MTL",
754 dwxgmac3_mtl_errors, STAT_OFF(mtl_errors), stats);
755 }
756
757 static const struct dwxgmac3_error_desc dwxgmac3_dma_errors[32]= {
758 { true, "TCES", "DMA TSO Memory Error" },
759 { true, "TAMS", "DMA TSO Memory Address Mismatch Error" },
760 { true, "TUES", "DMA TSO Memory Error" },
761 { false, "UNKNOWN", "Unknown Error" }, /* 3 */
762 { true, "DCES", "DMA DCACHE Memory Error" },
763 { true, "DAMS", "DMA DCACHE Address Mismatch Error" },
764 { true, "DUES", "DMA DCACHE Memory Error" },
765 { false, "UNKNOWN", "Unknown Error" }, /* 7 */
766 { false, "UNKNOWN", "Unknown Error" }, /* 8 */
767 { false, "UNKNOWN", "Unknown Error" }, /* 9 */
768 { false, "UNKNOWN", "Unknown Error" }, /* 10 */
769 { false, "UNKNOWN", "Unknown Error" }, /* 11 */
770 { false, "UNKNOWN", "Unknown Error" }, /* 12 */
771 { false, "UNKNOWN", "Unknown Error" }, /* 13 */
772 { false, "UNKNOWN", "Unknown Error" }, /* 14 */
773 { false, "UNKNOWN", "Unknown Error" }, /* 15 */
774 { false, "UNKNOWN", "Unknown Error" }, /* 16 */
775 { false, "UNKNOWN", "Unknown Error" }, /* 17 */
776 { false, "UNKNOWN", "Unknown Error" }, /* 18 */
777 { false, "UNKNOWN", "Unknown Error" }, /* 19 */
778 { false, "UNKNOWN", "Unknown Error" }, /* 20 */
779 { false, "UNKNOWN", "Unknown Error" }, /* 21 */
780 { false, "UNKNOWN", "Unknown Error" }, /* 22 */
781 { false, "UNKNOWN", "Unknown Error" }, /* 23 */
782 { false, "UNKNOWN", "Unknown Error" }, /* 24 */
783 { false, "UNKNOWN", "Unknown Error" }, /* 25 */
784 { false, "UNKNOWN", "Unknown Error" }, /* 26 */
785 { false, "UNKNOWN", "Unknown Error" }, /* 27 */
786 { false, "UNKNOWN", "Unknown Error" }, /* 28 */
787 { false, "UNKNOWN", "Unknown Error" }, /* 29 */
788 { false, "UNKNOWN", "Unknown Error" }, /* 30 */
789 { false, "UNKNOWN", "Unknown Error" }, /* 31 */
790 };
791
792 #define DPP_RX_ERR "Read Rx Descriptor Parity checker Error"
793 #define DPP_TX_ERR "Read Tx Descriptor Parity checker Error"
794
795 static const struct dwxgmac3_error_desc dwxgmac3_dma_dpp_errors[32] = {
796 { true, "TDPES0", DPP_TX_ERR },
797 { true, "TDPES1", DPP_TX_ERR },
798 { true, "TDPES2", DPP_TX_ERR },
799 { true, "TDPES3", DPP_TX_ERR },
800 { true, "TDPES4", DPP_TX_ERR },
801 { true, "TDPES5", DPP_TX_ERR },
802 { true, "TDPES6", DPP_TX_ERR },
803 { true, "TDPES7", DPP_TX_ERR },
804 { true, "TDPES8", DPP_TX_ERR },
805 { true, "TDPES9", DPP_TX_ERR },
806 { true, "TDPES10", DPP_TX_ERR },
807 { true, "TDPES11", DPP_TX_ERR },
808 { true, "TDPES12", DPP_TX_ERR },
809 { true, "TDPES13", DPP_TX_ERR },
810 { true, "TDPES14", DPP_TX_ERR },
811 { true, "TDPES15", DPP_TX_ERR },
812 { true, "RDPES0", DPP_RX_ERR },
813 { true, "RDPES1", DPP_RX_ERR },
814 { true, "RDPES2", DPP_RX_ERR },
815 { true, "RDPES3", DPP_RX_ERR },
816 { true, "RDPES4", DPP_RX_ERR },
817 { true, "RDPES5", DPP_RX_ERR },
818 { true, "RDPES6", DPP_RX_ERR },
819 { true, "RDPES7", DPP_RX_ERR },
820 { true, "RDPES8", DPP_RX_ERR },
821 { true, "RDPES9", DPP_RX_ERR },
822 { true, "RDPES10", DPP_RX_ERR },
823 { true, "RDPES11", DPP_RX_ERR },
824 { true, "RDPES12", DPP_RX_ERR },
825 { true, "RDPES13", DPP_RX_ERR },
826 { true, "RDPES14", DPP_RX_ERR },
827 { true, "RDPES15", DPP_RX_ERR },
828 };
829
dwxgmac3_handle_dma_err(struct net_device * ndev,void __iomem * ioaddr,bool correctable,struct stmmac_safety_stats * stats)830 static void dwxgmac3_handle_dma_err(struct net_device *ndev,
831 void __iomem *ioaddr, bool correctable,
832 struct stmmac_safety_stats *stats)
833 {
834 u32 value;
835
836 value = readl(ioaddr + XGMAC_DMA_ECC_INT_STATUS);
837 writel(value, ioaddr + XGMAC_DMA_ECC_INT_STATUS);
838
839 dwxgmac3_log_error(ndev, value, correctable, "DMA",
840 dwxgmac3_dma_errors, STAT_OFF(dma_errors), stats);
841
842 value = readl(ioaddr + XGMAC_DMA_DPP_INT_STATUS);
843 writel(value, ioaddr + XGMAC_DMA_DPP_INT_STATUS);
844
845 dwxgmac3_log_error(ndev, value, false, "DMA_DPP",
846 dwxgmac3_dma_dpp_errors,
847 STAT_OFF(dma_dpp_errors), stats);
848 }
849
850 static int
dwxgmac3_safety_feat_config(void __iomem * ioaddr,unsigned int asp,struct stmmac_safety_feature_cfg * safety_cfg)851 dwxgmac3_safety_feat_config(void __iomem *ioaddr, unsigned int asp,
852 struct stmmac_safety_feature_cfg *safety_cfg)
853 {
854 u32 value;
855
856 if (!asp)
857 return -EINVAL;
858
859 /* 1. Enable Safety Features */
860 writel(0x0, ioaddr + XGMAC_MTL_ECC_CONTROL);
861
862 /* 2. Enable MTL Safety Interrupts */
863 value = readl(ioaddr + XGMAC_MTL_ECC_INT_ENABLE);
864 value |= XGMAC_RPCEIE; /* RX Parser Memory Correctable Error */
865 value |= XGMAC_ECEIE; /* EST Memory Correctable Error */
866 value |= XGMAC_RXCEIE; /* RX Memory Correctable Error */
867 value |= XGMAC_TXCEIE; /* TX Memory Correctable Error */
868 writel(value, ioaddr + XGMAC_MTL_ECC_INT_ENABLE);
869
870 /* 3. Enable DMA Safety Interrupts */
871 value = readl(ioaddr + XGMAC_DMA_ECC_INT_ENABLE);
872 value |= XGMAC_DCEIE; /* Descriptor Cache Memory Correctable Error */
873 value |= XGMAC_TCEIE; /* TSO Memory Correctable Error */
874 writel(value, ioaddr + XGMAC_DMA_ECC_INT_ENABLE);
875
876 /* Only ECC Protection for External Memory feature is selected */
877 if (asp <= 0x1)
878 return 0;
879
880 /* 4. Enable Parity and Timeout for FSM */
881 value = readl(ioaddr + XGMAC_MAC_FSM_CONTROL);
882 value |= XGMAC_PRTYEN; /* FSM Parity Feature */
883 value |= XGMAC_TMOUTEN; /* FSM Timeout Feature */
884 writel(value, ioaddr + XGMAC_MAC_FSM_CONTROL);
885
886 /* 5. Enable Data Path Parity Protection */
887 value = readl(ioaddr + XGMAC_MTL_DPP_CONTROL);
888 /* already enabled by default, explicit enable it again */
889 value &= ~XGMAC_DPP_DISABLE;
890 writel(value, ioaddr + XGMAC_MTL_DPP_CONTROL);
891
892 return 0;
893 }
894
dwxgmac3_safety_feat_irq_status(struct net_device * ndev,void __iomem * ioaddr,unsigned int asp,struct stmmac_safety_stats * stats)895 static int dwxgmac3_safety_feat_irq_status(struct net_device *ndev,
896 void __iomem *ioaddr,
897 unsigned int asp,
898 struct stmmac_safety_stats *stats)
899 {
900 bool err, corr;
901 u32 mtl, dma;
902 int ret = 0;
903
904 if (!asp)
905 return -EINVAL;
906
907 mtl = readl(ioaddr + XGMAC_MTL_SAFETY_INT_STATUS);
908 dma = readl(ioaddr + XGMAC_DMA_SAFETY_INT_STATUS);
909
910 err = (mtl & XGMAC_MCSIS) || (dma & XGMAC_MCSIS);
911 corr = false;
912 if (err) {
913 dwxgmac3_handle_mac_err(ndev, ioaddr, corr, stats);
914 ret |= !corr;
915 }
916
917 err = (mtl & (XGMAC_MEUIS | XGMAC_MECIS)) ||
918 (dma & (XGMAC_MSUIS | XGMAC_MSCIS));
919 corr = (mtl & XGMAC_MECIS) || (dma & XGMAC_MSCIS);
920 if (err) {
921 dwxgmac3_handle_mtl_err(ndev, ioaddr, corr, stats);
922 ret |= !corr;
923 }
924
925 /* DMA_DPP_Interrupt_Status is indicated by MCSIS bit in
926 * DMA_Safety_Interrupt_Status, so we handle DMA Data Path
927 * Parity Errors here
928 */
929 err = dma & (XGMAC_DEUIS | XGMAC_DECIS | XGMAC_MCSIS);
930 corr = dma & XGMAC_DECIS;
931 if (err) {
932 dwxgmac3_handle_dma_err(ndev, ioaddr, corr, stats);
933 ret |= !corr;
934 }
935
936 return ret;
937 }
938
939 static const struct dwxgmac3_error {
940 const struct dwxgmac3_error_desc *desc;
941 } dwxgmac3_all_errors[] = {
942 { dwxgmac3_mac_errors },
943 { dwxgmac3_mtl_errors },
944 { dwxgmac3_dma_errors },
945 { dwxgmac3_dma_dpp_errors },
946 };
947
dwxgmac3_safety_feat_dump(struct stmmac_safety_stats * stats,int index,unsigned long * count,const char ** desc)948 static int dwxgmac3_safety_feat_dump(struct stmmac_safety_stats *stats,
949 int index, unsigned long *count,
950 const char **desc)
951 {
952 int module = index / 32, offset = index % 32;
953 unsigned long *ptr = (unsigned long *)stats;
954
955 if (module >= ARRAY_SIZE(dwxgmac3_all_errors))
956 return -EINVAL;
957 if (!dwxgmac3_all_errors[module].desc[offset].valid)
958 return -EINVAL;
959 if (count)
960 *count = *(ptr + index);
961 if (desc)
962 *desc = dwxgmac3_all_errors[module].desc[offset].desc;
963 return 0;
964 }
965
dwxgmac3_rxp_disable(void __iomem * ioaddr)966 static int dwxgmac3_rxp_disable(void __iomem *ioaddr)
967 {
968 u32 val = readl(ioaddr + XGMAC_MTL_OPMODE);
969
970 val &= ~XGMAC_FRPE;
971 writel(val, ioaddr + XGMAC_MTL_OPMODE);
972
973 return 0;
974 }
975
dwxgmac3_rxp_enable(void __iomem * ioaddr)976 static void dwxgmac3_rxp_enable(void __iomem *ioaddr)
977 {
978 u32 val;
979
980 val = readl(ioaddr + XGMAC_MTL_OPMODE);
981 val |= XGMAC_FRPE;
982 writel(val, ioaddr + XGMAC_MTL_OPMODE);
983 }
984
dwxgmac3_rxp_update_single_entry(void __iomem * ioaddr,struct stmmac_tc_entry * entry,int pos)985 static int dwxgmac3_rxp_update_single_entry(void __iomem *ioaddr,
986 struct stmmac_tc_entry *entry,
987 int pos)
988 {
989 int ret, i;
990
991 for (i = 0; i < (sizeof(entry->val) / sizeof(u32)); i++) {
992 int real_pos = pos * (sizeof(entry->val) / sizeof(u32)) + i;
993 u32 val;
994
995 /* Wait for ready */
996 ret = readl_poll_timeout(ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST,
997 val, !(val & XGMAC_STARTBUSY), 1, 10000);
998 if (ret)
999 return ret;
1000
1001 /* Write data */
1002 val = *((u32 *)&entry->val + i);
1003 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_DATA);
1004
1005 /* Write pos */
1006 val = real_pos & XGMAC_ADDR;
1007 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST);
1008
1009 /* Write OP */
1010 val |= XGMAC_WRRDN;
1011 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST);
1012
1013 /* Start Write */
1014 val |= XGMAC_STARTBUSY;
1015 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST);
1016
1017 /* Wait for done */
1018 ret = readl_poll_timeout(ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST,
1019 val, !(val & XGMAC_STARTBUSY), 1, 10000);
1020 if (ret)
1021 return ret;
1022 }
1023
1024 return 0;
1025 }
1026
1027 static struct stmmac_tc_entry *
dwxgmac3_rxp_get_next_entry(struct stmmac_tc_entry * entries,unsigned int count,u32 curr_prio)1028 dwxgmac3_rxp_get_next_entry(struct stmmac_tc_entry *entries,
1029 unsigned int count, u32 curr_prio)
1030 {
1031 struct stmmac_tc_entry *entry;
1032 u32 min_prio = ~0x0;
1033 int i, min_prio_idx;
1034 bool found = false;
1035
1036 for (i = count - 1; i >= 0; i--) {
1037 entry = &entries[i];
1038
1039 /* Do not update unused entries */
1040 if (!entry->in_use)
1041 continue;
1042 /* Do not update already updated entries (i.e. fragments) */
1043 if (entry->in_hw)
1044 continue;
1045 /* Let last entry be updated last */
1046 if (entry->is_last)
1047 continue;
1048 /* Do not return fragments */
1049 if (entry->is_frag)
1050 continue;
1051 /* Check if we already checked this prio */
1052 if (entry->prio < curr_prio)
1053 continue;
1054 /* Check if this is the minimum prio */
1055 if (entry->prio < min_prio) {
1056 min_prio = entry->prio;
1057 min_prio_idx = i;
1058 found = true;
1059 }
1060 }
1061
1062 if (found)
1063 return &entries[min_prio_idx];
1064 return NULL;
1065 }
1066
dwxgmac3_rxp_config(void __iomem * ioaddr,struct stmmac_tc_entry * entries,unsigned int count)1067 static int dwxgmac3_rxp_config(void __iomem *ioaddr,
1068 struct stmmac_tc_entry *entries,
1069 unsigned int count)
1070 {
1071 struct stmmac_tc_entry *entry, *frag;
1072 int i, ret, nve = 0;
1073 u32 curr_prio = 0;
1074 u32 old_val, val;
1075
1076 /* Force disable RX */
1077 old_val = readl(ioaddr + XGMAC_RX_CONFIG);
1078 val = old_val & ~XGMAC_CONFIG_RE;
1079 writel(val, ioaddr + XGMAC_RX_CONFIG);
1080
1081 /* Disable RX Parser */
1082 ret = dwxgmac3_rxp_disable(ioaddr);
1083 if (ret)
1084 goto re_enable;
1085
1086 /* Set all entries as NOT in HW */
1087 for (i = 0; i < count; i++) {
1088 entry = &entries[i];
1089 entry->in_hw = false;
1090 }
1091
1092 /* Update entries by reverse order */
1093 while (1) {
1094 entry = dwxgmac3_rxp_get_next_entry(entries, count, curr_prio);
1095 if (!entry)
1096 break;
1097
1098 curr_prio = entry->prio;
1099 frag = entry->frag_ptr;
1100
1101 /* Set special fragment requirements */
1102 if (frag) {
1103 entry->val.af = 0;
1104 entry->val.rf = 0;
1105 entry->val.nc = 1;
1106 entry->val.ok_index = nve + 2;
1107 }
1108
1109 ret = dwxgmac3_rxp_update_single_entry(ioaddr, entry, nve);
1110 if (ret)
1111 goto re_enable;
1112
1113 entry->table_pos = nve++;
1114 entry->in_hw = true;
1115
1116 if (frag && !frag->in_hw) {
1117 ret = dwxgmac3_rxp_update_single_entry(ioaddr, frag, nve);
1118 if (ret)
1119 goto re_enable;
1120 frag->table_pos = nve++;
1121 frag->in_hw = true;
1122 }
1123 }
1124
1125 if (!nve)
1126 goto re_enable;
1127
1128 /* Update all pass entry */
1129 for (i = 0; i < count; i++) {
1130 entry = &entries[i];
1131 if (!entry->is_last)
1132 continue;
1133
1134 ret = dwxgmac3_rxp_update_single_entry(ioaddr, entry, nve);
1135 if (ret)
1136 goto re_enable;
1137
1138 entry->table_pos = nve++;
1139 }
1140
1141 /* Assume n. of parsable entries == n. of valid entries */
1142 val = (nve << 16) & XGMAC_NPE;
1143 val |= nve & XGMAC_NVE;
1144 writel(val, ioaddr + XGMAC_MTL_RXP_CONTROL_STATUS);
1145
1146 /* Enable RX Parser */
1147 dwxgmac3_rxp_enable(ioaddr);
1148
1149 re_enable:
1150 /* Re-enable RX */
1151 writel(old_val, ioaddr + XGMAC_RX_CONFIG);
1152 return ret;
1153 }
1154
dwxgmac2_get_mac_tx_timestamp(struct mac_device_info * hw,u64 * ts)1155 static int dwxgmac2_get_mac_tx_timestamp(struct mac_device_info *hw, u64 *ts)
1156 {
1157 void __iomem *ioaddr = hw->pcsr;
1158 u32 value;
1159
1160 if (readl_poll_timeout_atomic(ioaddr + XGMAC_TIMESTAMP_STATUS,
1161 value, value & XGMAC_TXTSC, 100, 10000))
1162 return -EBUSY;
1163
1164 *ts = readl(ioaddr + XGMAC_TXTIMESTAMP_NSEC) & XGMAC_TXTSSTSLO;
1165 *ts += readl(ioaddr + XGMAC_TXTIMESTAMP_SEC) * 1000000000ULL;
1166 return 0;
1167 }
1168
dwxgmac2_flex_pps_config(void __iomem * ioaddr,int index,struct stmmac_pps_cfg * cfg,bool enable,u32 sub_second_inc,u32 systime_flags)1169 static int dwxgmac2_flex_pps_config(void __iomem *ioaddr, int index,
1170 struct stmmac_pps_cfg *cfg, bool enable,
1171 u32 sub_second_inc, u32 systime_flags)
1172 {
1173 u32 tnsec = readl(ioaddr + XGMAC_PPSx_TARGET_TIME_NSEC(index));
1174 u32 val = readl(ioaddr + XGMAC_PPS_CONTROL);
1175 u64 period;
1176
1177 if (!cfg->available)
1178 return -EINVAL;
1179 if (tnsec & XGMAC_TRGTBUSY0)
1180 return -EBUSY;
1181 if (!sub_second_inc || !systime_flags)
1182 return -EINVAL;
1183
1184 val &= ~XGMAC_PPSx_MASK(index);
1185
1186 if (!enable) {
1187 val |= XGMAC_PPSCMDx(index, XGMAC_PPSCMD_STOP);
1188 writel(val, ioaddr + XGMAC_PPS_CONTROL);
1189 return 0;
1190 }
1191
1192 val |= XGMAC_PPSCMDx(index, XGMAC_PPSCMD_START);
1193 val |= XGMAC_TRGTMODSELx(index, XGMAC_PPSCMD_START);
1194
1195 /* XGMAC Core has 4 PPS outputs at most.
1196 *
1197 * Prior XGMAC Core 3.20, Fixed mode or Flexible mode are selectable for
1198 * PPS0 only via PPSEN0. PPS{1,2,3} are in Flexible mode by default,
1199 * and can not be switched to Fixed mode, since PPSEN{1,2,3} are
1200 * read-only reserved to 0.
1201 * But we always set PPSEN{1,2,3} do not make things worse ;-)
1202 *
1203 * From XGMAC Core 3.20 and later, PPSEN{0,1,2,3} are writable and must
1204 * be set, or the PPS outputs stay in Fixed PPS mode by default.
1205 */
1206 val |= XGMAC_PPSENx(index);
1207
1208 writel(cfg->start.tv_sec, ioaddr + XGMAC_PPSx_TARGET_TIME_SEC(index));
1209
1210 if (!(systime_flags & PTP_TCR_TSCTRLSSR))
1211 cfg->start.tv_nsec = (cfg->start.tv_nsec * 1000) / 465;
1212 writel(cfg->start.tv_nsec, ioaddr + XGMAC_PPSx_TARGET_TIME_NSEC(index));
1213
1214 period = cfg->period.tv_sec * 1000000000;
1215 period += cfg->period.tv_nsec;
1216
1217 do_div(period, sub_second_inc);
1218
1219 if (period <= 1)
1220 return -EINVAL;
1221
1222 writel(period - 1, ioaddr + XGMAC_PPSx_INTERVAL(index));
1223
1224 period >>= 1;
1225 if (period <= 1)
1226 return -EINVAL;
1227
1228 writel(period - 1, ioaddr + XGMAC_PPSx_WIDTH(index));
1229
1230 /* Finally, activate it */
1231 writel(val, ioaddr + XGMAC_PPS_CONTROL);
1232 return 0;
1233 }
1234
dwxgmac2_sarc_configure(void __iomem * ioaddr,int val)1235 static void dwxgmac2_sarc_configure(void __iomem *ioaddr, int val)
1236 {
1237 u32 value = readl(ioaddr + XGMAC_TX_CONFIG);
1238
1239 value &= ~XGMAC_CONFIG_SARC;
1240 value |= val << XGMAC_CONFIG_SARC_SHIFT;
1241
1242 writel(value, ioaddr + XGMAC_TX_CONFIG);
1243 }
1244
dwxgmac2_enable_vlan(struct mac_device_info * hw,u32 type)1245 static void dwxgmac2_enable_vlan(struct mac_device_info *hw, u32 type)
1246 {
1247 void __iomem *ioaddr = hw->pcsr;
1248 u32 value;
1249
1250 value = readl(ioaddr + XGMAC_VLAN_INCL);
1251 value |= XGMAC_VLAN_VLTI;
1252 value |= XGMAC_VLAN_CSVL; /* Only use SVLAN */
1253 value &= ~XGMAC_VLAN_VLC;
1254 value |= (type << XGMAC_VLAN_VLC_SHIFT) & XGMAC_VLAN_VLC;
1255 writel(value, ioaddr + XGMAC_VLAN_INCL);
1256 }
1257
dwxgmac2_filter_wait(struct mac_device_info * hw)1258 static int dwxgmac2_filter_wait(struct mac_device_info *hw)
1259 {
1260 void __iomem *ioaddr = hw->pcsr;
1261 u32 value;
1262
1263 if (readl_poll_timeout(ioaddr + XGMAC_L3L4_ADDR_CTRL, value,
1264 !(value & XGMAC_XB), 100, 10000))
1265 return -EBUSY;
1266 return 0;
1267 }
1268
dwxgmac2_filter_read(struct mac_device_info * hw,u32 filter_no,u8 reg,u32 * data)1269 static int dwxgmac2_filter_read(struct mac_device_info *hw, u32 filter_no,
1270 u8 reg, u32 *data)
1271 {
1272 void __iomem *ioaddr = hw->pcsr;
1273 u32 value;
1274 int ret;
1275
1276 ret = dwxgmac2_filter_wait(hw);
1277 if (ret)
1278 return ret;
1279
1280 value = ((filter_no << XGMAC_IDDR_FNUM) | reg) << XGMAC_IDDR_SHIFT;
1281 value |= XGMAC_TT | XGMAC_XB;
1282 writel(value, ioaddr + XGMAC_L3L4_ADDR_CTRL);
1283
1284 ret = dwxgmac2_filter_wait(hw);
1285 if (ret)
1286 return ret;
1287
1288 *data = readl(ioaddr + XGMAC_L3L4_DATA);
1289 return 0;
1290 }
1291
dwxgmac2_filter_write(struct mac_device_info * hw,u32 filter_no,u8 reg,u32 data)1292 static int dwxgmac2_filter_write(struct mac_device_info *hw, u32 filter_no,
1293 u8 reg, u32 data)
1294 {
1295 void __iomem *ioaddr = hw->pcsr;
1296 u32 value;
1297 int ret;
1298
1299 ret = dwxgmac2_filter_wait(hw);
1300 if (ret)
1301 return ret;
1302
1303 writel(data, ioaddr + XGMAC_L3L4_DATA);
1304
1305 value = ((filter_no << XGMAC_IDDR_FNUM) | reg) << XGMAC_IDDR_SHIFT;
1306 value |= XGMAC_XB;
1307 writel(value, ioaddr + XGMAC_L3L4_ADDR_CTRL);
1308
1309 return dwxgmac2_filter_wait(hw);
1310 }
1311
dwxgmac2_config_l3_filter(struct mac_device_info * hw,u32 filter_no,bool en,bool ipv6,bool sa,bool inv,u32 match)1312 static int dwxgmac2_config_l3_filter(struct mac_device_info *hw, u32 filter_no,
1313 bool en, bool ipv6, bool sa, bool inv,
1314 u32 match)
1315 {
1316 void __iomem *ioaddr = hw->pcsr;
1317 u32 value;
1318 int ret;
1319
1320 value = readl(ioaddr + XGMAC_PACKET_FILTER);
1321 value |= XGMAC_FILTER_IPFE;
1322 writel(value, ioaddr + XGMAC_PACKET_FILTER);
1323
1324 ret = dwxgmac2_filter_read(hw, filter_no, XGMAC_L3L4_CTRL, &value);
1325 if (ret)
1326 return ret;
1327
1328 /* For IPv6 not both SA/DA filters can be active */
1329 if (ipv6) {
1330 value |= XGMAC_L3PEN0;
1331 value &= ~(XGMAC_L3SAM0 | XGMAC_L3SAIM0);
1332 value &= ~(XGMAC_L3DAM0 | XGMAC_L3DAIM0);
1333 if (sa) {
1334 value |= XGMAC_L3SAM0;
1335 if (inv)
1336 value |= XGMAC_L3SAIM0;
1337 } else {
1338 value |= XGMAC_L3DAM0;
1339 if (inv)
1340 value |= XGMAC_L3DAIM0;
1341 }
1342 } else {
1343 value &= ~XGMAC_L3PEN0;
1344 if (sa) {
1345 value |= XGMAC_L3SAM0;
1346 if (inv)
1347 value |= XGMAC_L3SAIM0;
1348 } else {
1349 value |= XGMAC_L3DAM0;
1350 if (inv)
1351 value |= XGMAC_L3DAIM0;
1352 }
1353 }
1354
1355 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, value);
1356 if (ret)
1357 return ret;
1358
1359 if (sa) {
1360 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3_ADDR0, match);
1361 if (ret)
1362 return ret;
1363 } else {
1364 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3_ADDR1, match);
1365 if (ret)
1366 return ret;
1367 }
1368
1369 if (!en)
1370 return dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, 0);
1371
1372 return 0;
1373 }
1374
dwxgmac2_config_l4_filter(struct mac_device_info * hw,u32 filter_no,bool en,bool udp,bool sa,bool inv,u32 match)1375 static int dwxgmac2_config_l4_filter(struct mac_device_info *hw, u32 filter_no,
1376 bool en, bool udp, bool sa, bool inv,
1377 u32 match)
1378 {
1379 void __iomem *ioaddr = hw->pcsr;
1380 u32 value;
1381 int ret;
1382
1383 value = readl(ioaddr + XGMAC_PACKET_FILTER);
1384 value |= XGMAC_FILTER_IPFE;
1385 writel(value, ioaddr + XGMAC_PACKET_FILTER);
1386
1387 ret = dwxgmac2_filter_read(hw, filter_no, XGMAC_L3L4_CTRL, &value);
1388 if (ret)
1389 return ret;
1390
1391 if (udp) {
1392 value |= XGMAC_L4PEN0;
1393 } else {
1394 value &= ~XGMAC_L4PEN0;
1395 }
1396
1397 value &= ~(XGMAC_L4SPM0 | XGMAC_L4SPIM0);
1398 value &= ~(XGMAC_L4DPM0 | XGMAC_L4DPIM0);
1399 if (sa) {
1400 value |= XGMAC_L4SPM0;
1401 if (inv)
1402 value |= XGMAC_L4SPIM0;
1403 } else {
1404 value |= XGMAC_L4DPM0;
1405 if (inv)
1406 value |= XGMAC_L4DPIM0;
1407 }
1408
1409 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, value);
1410 if (ret)
1411 return ret;
1412
1413 if (sa) {
1414 value = match & XGMAC_L4SP0;
1415
1416 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L4_ADDR, value);
1417 if (ret)
1418 return ret;
1419 } else {
1420 value = (match << XGMAC_L4DP0_SHIFT) & XGMAC_L4DP0;
1421
1422 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L4_ADDR, value);
1423 if (ret)
1424 return ret;
1425 }
1426
1427 if (!en)
1428 return dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, 0);
1429
1430 return 0;
1431 }
1432
dwxgmac2_set_arp_offload(struct mac_device_info * hw,bool en,u32 addr)1433 static void dwxgmac2_set_arp_offload(struct mac_device_info *hw, bool en,
1434 u32 addr)
1435 {
1436 void __iomem *ioaddr = hw->pcsr;
1437 u32 value;
1438
1439 writel(addr, ioaddr + XGMAC_ARP_ADDR);
1440
1441 value = readl(ioaddr + XGMAC_RX_CONFIG);
1442 if (en)
1443 value |= XGMAC_CONFIG_ARPEN;
1444 else
1445 value &= ~XGMAC_CONFIG_ARPEN;
1446 writel(value, ioaddr + XGMAC_RX_CONFIG);
1447 }
1448
dwxgmac3_est_write(void __iomem * ioaddr,u32 reg,u32 val,bool gcl)1449 static int dwxgmac3_est_write(void __iomem *ioaddr, u32 reg, u32 val, bool gcl)
1450 {
1451 u32 ctrl;
1452
1453 writel(val, ioaddr + XGMAC_MTL_EST_GCL_DATA);
1454
1455 ctrl = (reg << XGMAC_ADDR_SHIFT);
1456 ctrl |= gcl ? 0 : XGMAC_GCRR;
1457
1458 writel(ctrl, ioaddr + XGMAC_MTL_EST_GCL_CONTROL);
1459
1460 ctrl |= XGMAC_SRWO;
1461 writel(ctrl, ioaddr + XGMAC_MTL_EST_GCL_CONTROL);
1462
1463 return readl_poll_timeout_atomic(ioaddr + XGMAC_MTL_EST_GCL_CONTROL,
1464 ctrl, !(ctrl & XGMAC_SRWO), 100, 5000);
1465 }
1466
dwxgmac3_est_configure(void __iomem * ioaddr,struct stmmac_est * cfg,unsigned int ptp_rate)1467 static int dwxgmac3_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
1468 unsigned int ptp_rate)
1469 {
1470 int i, ret = 0x0;
1471 u32 ctrl;
1472
1473 ret |= dwxgmac3_est_write(ioaddr, XGMAC_BTR_LOW, cfg->btr[0], false);
1474 ret |= dwxgmac3_est_write(ioaddr, XGMAC_BTR_HIGH, cfg->btr[1], false);
1475 ret |= dwxgmac3_est_write(ioaddr, XGMAC_TER, cfg->ter, false);
1476 ret |= dwxgmac3_est_write(ioaddr, XGMAC_LLR, cfg->gcl_size, false);
1477 ret |= dwxgmac3_est_write(ioaddr, XGMAC_CTR_LOW, cfg->ctr[0], false);
1478 ret |= dwxgmac3_est_write(ioaddr, XGMAC_CTR_HIGH, cfg->ctr[1], false);
1479 if (ret)
1480 return ret;
1481
1482 for (i = 0; i < cfg->gcl_size; i++) {
1483 ret = dwxgmac3_est_write(ioaddr, i, cfg->gcl[i], true);
1484 if (ret)
1485 return ret;
1486 }
1487
1488 ctrl = readl(ioaddr + XGMAC_MTL_EST_CONTROL);
1489 ctrl &= ~XGMAC_PTOV;
1490 ctrl |= ((1000000000 / ptp_rate) * 9) << XGMAC_PTOV_SHIFT;
1491 if (cfg->enable)
1492 ctrl |= XGMAC_EEST | XGMAC_SSWL;
1493 else
1494 ctrl &= ~XGMAC_EEST;
1495
1496 writel(ctrl, ioaddr + XGMAC_MTL_EST_CONTROL);
1497 return 0;
1498 }
1499
dwxgmac3_fpe_configure(void __iomem * ioaddr,struct stmmac_fpe_cfg * cfg,u32 num_txq,u32 num_rxq,bool enable)1500 static void dwxgmac3_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
1501 u32 num_txq,
1502 u32 num_rxq, bool enable)
1503 {
1504 u32 value;
1505
1506 if (!enable) {
1507 value = readl(ioaddr + XGMAC_FPE_CTRL_STS);
1508
1509 value &= ~XGMAC_EFPE;
1510
1511 writel(value, ioaddr + XGMAC_FPE_CTRL_STS);
1512 return;
1513 }
1514
1515 value = readl(ioaddr + XGMAC_RXQ_CTRL1);
1516 value &= ~XGMAC_RQ;
1517 value |= (num_rxq - 1) << XGMAC_RQ_SHIFT;
1518 writel(value, ioaddr + XGMAC_RXQ_CTRL1);
1519
1520 value = readl(ioaddr + XGMAC_FPE_CTRL_STS);
1521 value |= XGMAC_EFPE;
1522 writel(value, ioaddr + XGMAC_FPE_CTRL_STS);
1523 }
1524
1525 const struct stmmac_ops dwxgmac210_ops = {
1526 .core_init = dwxgmac2_core_init,
1527 .set_mac = dwxgmac2_set_mac,
1528 .rx_ipc = dwxgmac2_rx_ipc,
1529 .rx_queue_enable = dwxgmac2_rx_queue_enable,
1530 .rx_queue_prio = dwxgmac2_rx_queue_prio,
1531 .tx_queue_prio = dwxgmac2_tx_queue_prio,
1532 .rx_queue_routing = NULL,
1533 .prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
1534 .prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
1535 .set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,
1536 .map_mtl_to_dma = dwxgmac2_map_mtl_to_dma,
1537 .config_cbs = dwxgmac2_config_cbs,
1538 .dump_regs = dwxgmac2_dump_regs,
1539 .host_irq_status = dwxgmac2_host_irq_status,
1540 .host_mtl_irq_status = dwxgmac2_host_mtl_irq_status,
1541 .flow_ctrl = dwxgmac2_flow_ctrl,
1542 .pmt = dwxgmac2_pmt,
1543 .set_umac_addr = dwxgmac2_set_umac_addr,
1544 .get_umac_addr = dwxgmac2_get_umac_addr,
1545 .set_eee_mode = dwxgmac2_set_eee_mode,
1546 .reset_eee_mode = dwxgmac2_reset_eee_mode,
1547 .set_eee_timer = dwxgmac2_set_eee_timer,
1548 .set_eee_pls = dwxgmac2_set_eee_pls,
1549 .pcs_ctrl_ane = NULL,
1550 .pcs_rane = NULL,
1551 .pcs_get_adv_lp = NULL,
1552 .debug = NULL,
1553 .set_filter = dwxgmac2_set_filter,
1554 .safety_feat_config = dwxgmac3_safety_feat_config,
1555 .safety_feat_irq_status = dwxgmac3_safety_feat_irq_status,
1556 .safety_feat_dump = dwxgmac3_safety_feat_dump,
1557 .set_mac_loopback = dwxgmac2_set_mac_loopback,
1558 .rss_configure = dwxgmac2_rss_configure,
1559 .update_vlan_hash = dwxgmac2_update_vlan_hash,
1560 .rxp_config = dwxgmac3_rxp_config,
1561 .get_mac_tx_timestamp = dwxgmac2_get_mac_tx_timestamp,
1562 .flex_pps_config = dwxgmac2_flex_pps_config,
1563 .sarc_configure = dwxgmac2_sarc_configure,
1564 .enable_vlan = dwxgmac2_enable_vlan,
1565 .config_l3_filter = dwxgmac2_config_l3_filter,
1566 .config_l4_filter = dwxgmac2_config_l4_filter,
1567 .set_arp_offload = dwxgmac2_set_arp_offload,
1568 .est_configure = dwxgmac3_est_configure,
1569 .fpe_configure = dwxgmac3_fpe_configure,
1570 };
1571
dwxlgmac2_rx_queue_enable(struct mac_device_info * hw,u8 mode,u32 queue)1572 static void dwxlgmac2_rx_queue_enable(struct mac_device_info *hw, u8 mode,
1573 u32 queue)
1574 {
1575 void __iomem *ioaddr = hw->pcsr;
1576 u32 value;
1577
1578 value = readl(ioaddr + XLGMAC_RXQ_ENABLE_CTRL0) & ~XGMAC_RXQEN(queue);
1579 if (mode == MTL_QUEUE_AVB)
1580 value |= 0x1 << XGMAC_RXQEN_SHIFT(queue);
1581 else if (mode == MTL_QUEUE_DCB)
1582 value |= 0x2 << XGMAC_RXQEN_SHIFT(queue);
1583 writel(value, ioaddr + XLGMAC_RXQ_ENABLE_CTRL0);
1584 }
1585
1586 const struct stmmac_ops dwxlgmac2_ops = {
1587 .core_init = dwxgmac2_core_init,
1588 .set_mac = dwxgmac2_set_mac,
1589 .rx_ipc = dwxgmac2_rx_ipc,
1590 .rx_queue_enable = dwxlgmac2_rx_queue_enable,
1591 .rx_queue_prio = dwxgmac2_rx_queue_prio,
1592 .tx_queue_prio = dwxgmac2_tx_queue_prio,
1593 .rx_queue_routing = NULL,
1594 .prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
1595 .prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
1596 .set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,
1597 .map_mtl_to_dma = dwxgmac2_map_mtl_to_dma,
1598 .config_cbs = dwxgmac2_config_cbs,
1599 .dump_regs = dwxgmac2_dump_regs,
1600 .host_irq_status = dwxgmac2_host_irq_status,
1601 .host_mtl_irq_status = dwxgmac2_host_mtl_irq_status,
1602 .flow_ctrl = dwxgmac2_flow_ctrl,
1603 .pmt = dwxgmac2_pmt,
1604 .set_umac_addr = dwxgmac2_set_umac_addr,
1605 .get_umac_addr = dwxgmac2_get_umac_addr,
1606 .set_eee_mode = dwxgmac2_set_eee_mode,
1607 .reset_eee_mode = dwxgmac2_reset_eee_mode,
1608 .set_eee_timer = dwxgmac2_set_eee_timer,
1609 .set_eee_pls = dwxgmac2_set_eee_pls,
1610 .pcs_ctrl_ane = NULL,
1611 .pcs_rane = NULL,
1612 .pcs_get_adv_lp = NULL,
1613 .debug = NULL,
1614 .set_filter = dwxgmac2_set_filter,
1615 .safety_feat_config = dwxgmac3_safety_feat_config,
1616 .safety_feat_irq_status = dwxgmac3_safety_feat_irq_status,
1617 .safety_feat_dump = dwxgmac3_safety_feat_dump,
1618 .set_mac_loopback = dwxgmac2_set_mac_loopback,
1619 .rss_configure = dwxgmac2_rss_configure,
1620 .update_vlan_hash = dwxgmac2_update_vlan_hash,
1621 .rxp_config = dwxgmac3_rxp_config,
1622 .get_mac_tx_timestamp = dwxgmac2_get_mac_tx_timestamp,
1623 .flex_pps_config = dwxgmac2_flex_pps_config,
1624 .sarc_configure = dwxgmac2_sarc_configure,
1625 .enable_vlan = dwxgmac2_enable_vlan,
1626 .config_l3_filter = dwxgmac2_config_l3_filter,
1627 .config_l4_filter = dwxgmac2_config_l4_filter,
1628 .set_arp_offload = dwxgmac2_set_arp_offload,
1629 .est_configure = dwxgmac3_est_configure,
1630 .fpe_configure = dwxgmac3_fpe_configure,
1631 };
1632
dwxgmac2_setup(struct stmmac_priv * priv)1633 int dwxgmac2_setup(struct stmmac_priv *priv)
1634 {
1635 struct mac_device_info *mac = priv->hw;
1636
1637 dev_info(priv->device, "\tXGMAC2\n");
1638
1639 priv->dev->priv_flags |= IFF_UNICAST_FLT;
1640 mac->pcsr = priv->ioaddr;
1641 mac->multicast_filter_bins = priv->plat->multicast_filter_bins;
1642 mac->unicast_filter_entries = priv->plat->unicast_filter_entries;
1643 mac->mcast_bits_log2 = 0;
1644
1645 if (mac->multicast_filter_bins)
1646 mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
1647
1648 mac->link.duplex = 0;
1649 mac->link.speed10 = XGMAC_CONFIG_SS_10_MII;
1650 mac->link.speed100 = XGMAC_CONFIG_SS_100_MII;
1651 mac->link.speed1000 = XGMAC_CONFIG_SS_1000_GMII;
1652 mac->link.speed2500 = XGMAC_CONFIG_SS_2500_GMII;
1653 mac->link.xgmii.speed2500 = XGMAC_CONFIG_SS_2500;
1654 mac->link.xgmii.speed5000 = XGMAC_CONFIG_SS_5000;
1655 mac->link.xgmii.speed10000 = XGMAC_CONFIG_SS_10000;
1656 mac->link.speed_mask = XGMAC_CONFIG_SS_MASK;
1657
1658 mac->mii.addr = XGMAC_MDIO_ADDR;
1659 mac->mii.data = XGMAC_MDIO_DATA;
1660 mac->mii.addr_shift = 16;
1661 mac->mii.addr_mask = GENMASK(20, 16);
1662 mac->mii.reg_shift = 0;
1663 mac->mii.reg_mask = GENMASK(15, 0);
1664 mac->mii.clk_csr_shift = 19;
1665 mac->mii.clk_csr_mask = GENMASK(21, 19);
1666
1667 return 0;
1668 }
1669
dwxlgmac2_setup(struct stmmac_priv * priv)1670 int dwxlgmac2_setup(struct stmmac_priv *priv)
1671 {
1672 struct mac_device_info *mac = priv->hw;
1673
1674 dev_info(priv->device, "\tXLGMAC\n");
1675
1676 priv->dev->priv_flags |= IFF_UNICAST_FLT;
1677 mac->pcsr = priv->ioaddr;
1678 mac->multicast_filter_bins = priv->plat->multicast_filter_bins;
1679 mac->unicast_filter_entries = priv->plat->unicast_filter_entries;
1680 mac->mcast_bits_log2 = 0;
1681
1682 if (mac->multicast_filter_bins)
1683 mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
1684
1685 mac->link.duplex = 0;
1686 mac->link.speed1000 = XLGMAC_CONFIG_SS_1000;
1687 mac->link.speed2500 = XLGMAC_CONFIG_SS_2500;
1688 mac->link.xgmii.speed10000 = XLGMAC_CONFIG_SS_10G;
1689 mac->link.xlgmii.speed25000 = XLGMAC_CONFIG_SS_25G;
1690 mac->link.xlgmii.speed40000 = XLGMAC_CONFIG_SS_40G;
1691 mac->link.xlgmii.speed50000 = XLGMAC_CONFIG_SS_50G;
1692 mac->link.xlgmii.speed100000 = XLGMAC_CONFIG_SS_100G;
1693 mac->link.speed_mask = XLGMAC_CONFIG_SS;
1694
1695 mac->mii.addr = XGMAC_MDIO_ADDR;
1696 mac->mii.data = XGMAC_MDIO_DATA;
1697 mac->mii.addr_shift = 16;
1698 mac->mii.addr_mask = GENMASK(20, 16);
1699 mac->mii.reg_shift = 0;
1700 mac->mii.reg_mask = GENMASK(15, 0);
1701 mac->mii.clk_csr_shift = 19;
1702 mac->mii.clk_csr_mask = GENMASK(21, 19);
1703
1704 return 0;
1705 }
1706