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
xgmac_phylink_get_caps(struct stmmac_priv * priv)50 static void xgmac_phylink_get_caps(struct stmmac_priv *priv)
51 {
52 priv->phylink_config.mac_capabilities |= MAC_2500FD | MAC_5000FD |
53 MAC_10000FD | MAC_25000FD |
54 MAC_40000FD | MAC_50000FD |
55 MAC_100000FD;
56 }
57
dwxgmac2_set_mac(void __iomem * ioaddr,bool enable)58 static void dwxgmac2_set_mac(void __iomem *ioaddr, bool enable)
59 {
60 u32 tx = readl(ioaddr + XGMAC_TX_CONFIG);
61 u32 rx = readl(ioaddr + XGMAC_RX_CONFIG);
62
63 if (enable) {
64 tx |= XGMAC_CONFIG_TE;
65 rx |= XGMAC_CONFIG_RE;
66 } else {
67 tx &= ~XGMAC_CONFIG_TE;
68 rx &= ~XGMAC_CONFIG_RE;
69 }
70
71 writel(tx, ioaddr + XGMAC_TX_CONFIG);
72 writel(rx, ioaddr + XGMAC_RX_CONFIG);
73 }
74
dwxgmac2_rx_ipc(struct mac_device_info * hw)75 static int dwxgmac2_rx_ipc(struct mac_device_info *hw)
76 {
77 void __iomem *ioaddr = hw->pcsr;
78 u32 value;
79
80 value = readl(ioaddr + XGMAC_RX_CONFIG);
81 if (hw->rx_csum)
82 value |= XGMAC_CONFIG_IPC;
83 else
84 value &= ~XGMAC_CONFIG_IPC;
85 writel(value, ioaddr + XGMAC_RX_CONFIG);
86
87 return !!(readl(ioaddr + XGMAC_RX_CONFIG) & XGMAC_CONFIG_IPC);
88 }
89
dwxgmac2_rx_queue_enable(struct mac_device_info * hw,u8 mode,u32 queue)90 static void dwxgmac2_rx_queue_enable(struct mac_device_info *hw, u8 mode,
91 u32 queue)
92 {
93 void __iomem *ioaddr = hw->pcsr;
94 u32 value;
95
96 value = readl(ioaddr + XGMAC_RXQ_CTRL0) & ~XGMAC_RXQEN(queue);
97 if (mode == MTL_QUEUE_AVB)
98 value |= 0x1 << XGMAC_RXQEN_SHIFT(queue);
99 else if (mode == MTL_QUEUE_DCB)
100 value |= 0x2 << XGMAC_RXQEN_SHIFT(queue);
101 writel(value, ioaddr + XGMAC_RXQ_CTRL0);
102 }
103
dwxgmac2_rx_queue_prio(struct mac_device_info * hw,u32 prio,u32 queue)104 static void dwxgmac2_rx_queue_prio(struct mac_device_info *hw, u32 prio,
105 u32 queue)
106 {
107 void __iomem *ioaddr = hw->pcsr;
108 u32 value, reg;
109
110 reg = (queue < 4) ? XGMAC_RXQ_CTRL2 : XGMAC_RXQ_CTRL3;
111 if (queue >= 4)
112 queue -= 4;
113
114 value = readl(ioaddr + reg);
115 value &= ~XGMAC_PSRQ(queue);
116 value |= (prio << XGMAC_PSRQ_SHIFT(queue)) & XGMAC_PSRQ(queue);
117
118 writel(value, ioaddr + reg);
119 }
120
dwxgmac2_tx_queue_prio(struct mac_device_info * hw,u32 prio,u32 queue)121 static void dwxgmac2_tx_queue_prio(struct mac_device_info *hw, u32 prio,
122 u32 queue)
123 {
124 void __iomem *ioaddr = hw->pcsr;
125 u32 value, reg;
126
127 reg = (queue < 4) ? XGMAC_TC_PRTY_MAP0 : XGMAC_TC_PRTY_MAP1;
128 if (queue >= 4)
129 queue -= 4;
130
131 value = readl(ioaddr + reg);
132 value &= ~XGMAC_PSTC(queue);
133 value |= (prio << XGMAC_PSTC_SHIFT(queue)) & XGMAC_PSTC(queue);
134
135 writel(value, ioaddr + reg);
136 }
137
dwxgmac2_rx_queue_routing(struct mac_device_info * hw,u8 packet,u32 queue)138 static void dwxgmac2_rx_queue_routing(struct mac_device_info *hw,
139 u8 packet, u32 queue)
140 {
141 void __iomem *ioaddr = hw->pcsr;
142 u32 value;
143
144 static const struct stmmac_rx_routing dwxgmac2_route_possibilities[] = {
145 { XGMAC_AVCPQ, XGMAC_AVCPQ_SHIFT },
146 { XGMAC_PTPQ, XGMAC_PTPQ_SHIFT },
147 { XGMAC_DCBCPQ, XGMAC_DCBCPQ_SHIFT },
148 { XGMAC_UPQ, XGMAC_UPQ_SHIFT },
149 { XGMAC_MCBCQ, XGMAC_MCBCQ_SHIFT },
150 };
151
152 value = readl(ioaddr + XGMAC_RXQ_CTRL1);
153
154 /* routing configuration */
155 value &= ~dwxgmac2_route_possibilities[packet - 1].reg_mask;
156 value |= (queue << dwxgmac2_route_possibilities[packet - 1].reg_shift) &
157 dwxgmac2_route_possibilities[packet - 1].reg_mask;
158
159 /* some packets require extra ops */
160 if (packet == PACKET_AVCPQ)
161 value |= FIELD_PREP(XGMAC_TACPQE, 1);
162 else if (packet == PACKET_MCBCQ)
163 value |= FIELD_PREP(XGMAC_MCBCQEN, 1);
164
165 writel(value, ioaddr + XGMAC_RXQ_CTRL1);
166 }
167
dwxgmac2_prog_mtl_rx_algorithms(struct mac_device_info * hw,u32 rx_alg)168 static void dwxgmac2_prog_mtl_rx_algorithms(struct mac_device_info *hw,
169 u32 rx_alg)
170 {
171 void __iomem *ioaddr = hw->pcsr;
172 u32 value;
173
174 value = readl(ioaddr + XGMAC_MTL_OPMODE);
175 value &= ~XGMAC_RAA;
176
177 switch (rx_alg) {
178 case MTL_RX_ALGORITHM_SP:
179 break;
180 case MTL_RX_ALGORITHM_WSP:
181 value |= XGMAC_RAA;
182 break;
183 default:
184 break;
185 }
186
187 writel(value, ioaddr + XGMAC_MTL_OPMODE);
188 }
189
dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info * hw,u32 tx_alg)190 static void dwxgmac2_prog_mtl_tx_algorithms(struct mac_device_info *hw,
191 u32 tx_alg)
192 {
193 void __iomem *ioaddr = hw->pcsr;
194 bool ets = true;
195 u32 value;
196 int i;
197
198 value = readl(ioaddr + XGMAC_MTL_OPMODE);
199 value &= ~XGMAC_ETSALG;
200
201 switch (tx_alg) {
202 case MTL_TX_ALGORITHM_WRR:
203 value |= XGMAC_WRR;
204 break;
205 case MTL_TX_ALGORITHM_WFQ:
206 value |= XGMAC_WFQ;
207 break;
208 case MTL_TX_ALGORITHM_DWRR:
209 value |= XGMAC_DWRR;
210 break;
211 default:
212 ets = false;
213 break;
214 }
215
216 writel(value, ioaddr + XGMAC_MTL_OPMODE);
217
218 /* Set ETS if desired */
219 for (i = 0; i < MTL_MAX_TX_QUEUES; i++) {
220 value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
221 value &= ~XGMAC_TSA;
222 if (ets)
223 value |= XGMAC_ETS;
224 writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(i));
225 }
226 }
227
dwxgmac2_set_mtl_tx_queue_weight(struct stmmac_priv * priv,struct mac_device_info * hw,u32 weight,u32 queue)228 static void dwxgmac2_set_mtl_tx_queue_weight(struct stmmac_priv *priv,
229 struct mac_device_info *hw,
230 u32 weight, u32 queue)
231 {
232 void __iomem *ioaddr = hw->pcsr;
233
234 writel(weight, ioaddr + XGMAC_MTL_TCx_QUANTUM_WEIGHT(queue));
235 }
236
dwxgmac2_map_mtl_to_dma(struct mac_device_info * hw,u32 queue,u32 chan)237 static void dwxgmac2_map_mtl_to_dma(struct mac_device_info *hw, u32 queue,
238 u32 chan)
239 {
240 void __iomem *ioaddr = hw->pcsr;
241 u32 value, reg;
242
243 reg = (queue < 4) ? XGMAC_MTL_RXQ_DMA_MAP0 : XGMAC_MTL_RXQ_DMA_MAP1;
244 if (queue >= 4)
245 queue -= 4;
246
247 value = readl(ioaddr + reg);
248 value &= ~XGMAC_QxMDMACH(queue);
249 value |= (chan << XGMAC_QxMDMACH_SHIFT(queue)) & XGMAC_QxMDMACH(queue);
250
251 writel(value, ioaddr + reg);
252 }
253
dwxgmac2_config_cbs(struct stmmac_priv * priv,struct mac_device_info * hw,u32 send_slope,u32 idle_slope,u32 high_credit,u32 low_credit,u32 queue)254 static void dwxgmac2_config_cbs(struct stmmac_priv *priv,
255 struct mac_device_info *hw,
256 u32 send_slope, u32 idle_slope,
257 u32 high_credit, u32 low_credit, u32 queue)
258 {
259 void __iomem *ioaddr = hw->pcsr;
260 u32 value;
261
262 writel(send_slope, ioaddr + XGMAC_MTL_TCx_SENDSLOPE(queue));
263 writel(idle_slope, ioaddr + XGMAC_MTL_TCx_QUANTUM_WEIGHT(queue));
264 writel(high_credit, ioaddr + XGMAC_MTL_TCx_HICREDIT(queue));
265 writel(low_credit, ioaddr + XGMAC_MTL_TCx_LOCREDIT(queue));
266
267 value = readl(ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
268 value &= ~XGMAC_TSA;
269 value |= XGMAC_CC | XGMAC_CBS;
270 writel(value, ioaddr + XGMAC_MTL_TCx_ETS_CONTROL(queue));
271 }
272
dwxgmac2_dump_regs(struct mac_device_info * hw,u32 * reg_space)273 static void dwxgmac2_dump_regs(struct mac_device_info *hw, u32 *reg_space)
274 {
275 void __iomem *ioaddr = hw->pcsr;
276 int i;
277
278 for (i = 0; i < XGMAC_MAC_REGSIZE; i++)
279 reg_space[i] = readl(ioaddr + i * 4);
280 }
281
dwxgmac2_host_irq_status(struct mac_device_info * hw,struct stmmac_extra_stats * x)282 static int dwxgmac2_host_irq_status(struct mac_device_info *hw,
283 struct stmmac_extra_stats *x)
284 {
285 void __iomem *ioaddr = hw->pcsr;
286 u32 stat, en;
287 int ret = 0;
288
289 en = readl(ioaddr + XGMAC_INT_EN);
290 stat = readl(ioaddr + XGMAC_INT_STATUS);
291
292 stat &= en;
293
294 if (stat & XGMAC_PMTIS) {
295 x->irq_receive_pmt_irq_n++;
296 readl(ioaddr + XGMAC_PMT);
297 }
298
299 if (stat & XGMAC_LPIIS) {
300 u32 lpi = readl(ioaddr + XGMAC_LPI_CTRL);
301
302 if (lpi & XGMAC_TLPIEN) {
303 ret |= CORE_IRQ_TX_PATH_IN_LPI_MODE;
304 x->irq_tx_path_in_lpi_mode_n++;
305 }
306 if (lpi & XGMAC_TLPIEX) {
307 ret |= CORE_IRQ_TX_PATH_EXIT_LPI_MODE;
308 x->irq_tx_path_exit_lpi_mode_n++;
309 }
310 if (lpi & XGMAC_RLPIEN)
311 x->irq_rx_path_in_lpi_mode_n++;
312 if (lpi & XGMAC_RLPIEX)
313 x->irq_rx_path_exit_lpi_mode_n++;
314 }
315
316 return ret;
317 }
318
dwxgmac2_host_mtl_irq_status(struct stmmac_priv * priv,struct mac_device_info * hw,u32 chan)319 static int dwxgmac2_host_mtl_irq_status(struct stmmac_priv *priv,
320 struct mac_device_info *hw, u32 chan)
321 {
322 void __iomem *ioaddr = hw->pcsr;
323 int ret = 0;
324 u32 status;
325
326 status = readl(ioaddr + XGMAC_MTL_INT_STATUS);
327 if (status & BIT(chan)) {
328 u32 chan_status = readl(ioaddr + XGMAC_MTL_QINT_STATUS(chan));
329
330 if (chan_status & XGMAC_RXOVFIS)
331 ret |= CORE_IRQ_MTL_RX_OVERFLOW;
332
333 writel(~0x0, ioaddr + XGMAC_MTL_QINT_STATUS(chan));
334 }
335
336 return ret;
337 }
338
dwxgmac2_flow_ctrl(struct mac_device_info * hw,unsigned int duplex,unsigned int fc,unsigned int pause_time,u32 tx_cnt)339 static void dwxgmac2_flow_ctrl(struct mac_device_info *hw, unsigned int duplex,
340 unsigned int fc, unsigned int pause_time,
341 u32 tx_cnt)
342 {
343 void __iomem *ioaddr = hw->pcsr;
344 u32 i;
345
346 if (fc & FLOW_RX)
347 writel(XGMAC_RFE, ioaddr + XGMAC_RX_FLOW_CTRL);
348 if (fc & FLOW_TX) {
349 for (i = 0; i < tx_cnt; i++) {
350 u32 value = XGMAC_TFE;
351
352 if (duplex)
353 value |= pause_time << XGMAC_PT_SHIFT;
354
355 writel(value, ioaddr + XGMAC_Qx_TX_FLOW_CTRL(i));
356 }
357 }
358 }
359
dwxgmac2_pmt(struct mac_device_info * hw,unsigned long mode)360 static void dwxgmac2_pmt(struct mac_device_info *hw, unsigned long mode)
361 {
362 void __iomem *ioaddr = hw->pcsr;
363 u32 val = 0x0;
364
365 if (mode & WAKE_MAGIC)
366 val |= XGMAC_PWRDWN | XGMAC_MGKPKTEN;
367 if (mode & WAKE_UCAST)
368 val |= XGMAC_PWRDWN | XGMAC_GLBLUCAST | XGMAC_RWKPKTEN;
369 if (val) {
370 u32 cfg = readl(ioaddr + XGMAC_RX_CONFIG);
371 cfg |= XGMAC_CONFIG_RE;
372 writel(cfg, ioaddr + XGMAC_RX_CONFIG);
373 }
374
375 writel(val, ioaddr + XGMAC_PMT);
376 }
377
dwxgmac2_set_umac_addr(struct mac_device_info * hw,const unsigned char * addr,unsigned int reg_n)378 static void dwxgmac2_set_umac_addr(struct mac_device_info *hw,
379 const unsigned char *addr,
380 unsigned int reg_n)
381 {
382 void __iomem *ioaddr = hw->pcsr;
383 u32 value;
384
385 value = (addr[5] << 8) | addr[4];
386 writel(value | XGMAC_AE, ioaddr + XGMAC_ADDRx_HIGH(reg_n));
387
388 value = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
389 writel(value, ioaddr + XGMAC_ADDRx_LOW(reg_n));
390 }
391
dwxgmac2_get_umac_addr(struct mac_device_info * hw,unsigned char * addr,unsigned int reg_n)392 static void dwxgmac2_get_umac_addr(struct mac_device_info *hw,
393 unsigned char *addr, unsigned int reg_n)
394 {
395 void __iomem *ioaddr = hw->pcsr;
396 u32 hi_addr, lo_addr;
397
398 /* Read the MAC address from the hardware */
399 hi_addr = readl(ioaddr + XGMAC_ADDRx_HIGH(reg_n));
400 lo_addr = readl(ioaddr + XGMAC_ADDRx_LOW(reg_n));
401
402 /* Extract the MAC address from the high and low words */
403 addr[0] = lo_addr & 0xff;
404 addr[1] = (lo_addr >> 8) & 0xff;
405 addr[2] = (lo_addr >> 16) & 0xff;
406 addr[3] = (lo_addr >> 24) & 0xff;
407 addr[4] = hi_addr & 0xff;
408 addr[5] = (hi_addr >> 8) & 0xff;
409 }
410
dwxgmac2_set_eee_mode(struct mac_device_info * hw,bool en_tx_lpi_clockgating)411 static void dwxgmac2_set_eee_mode(struct mac_device_info *hw,
412 bool en_tx_lpi_clockgating)
413 {
414 void __iomem *ioaddr = hw->pcsr;
415 u32 value;
416
417 value = readl(ioaddr + XGMAC_LPI_CTRL);
418
419 value |= XGMAC_LPITXEN | XGMAC_LPITXA;
420 if (en_tx_lpi_clockgating)
421 value |= XGMAC_TXCGE;
422
423 writel(value, ioaddr + XGMAC_LPI_CTRL);
424 }
425
dwxgmac2_reset_eee_mode(struct mac_device_info * hw)426 static void dwxgmac2_reset_eee_mode(struct mac_device_info *hw)
427 {
428 void __iomem *ioaddr = hw->pcsr;
429 u32 value;
430
431 value = readl(ioaddr + XGMAC_LPI_CTRL);
432 value &= ~(XGMAC_LPITXEN | XGMAC_LPITXA | XGMAC_TXCGE);
433 writel(value, ioaddr + XGMAC_LPI_CTRL);
434 }
435
dwxgmac2_set_eee_pls(struct mac_device_info * hw,int link)436 static void dwxgmac2_set_eee_pls(struct mac_device_info *hw, int link)
437 {
438 void __iomem *ioaddr = hw->pcsr;
439 u32 value;
440
441 value = readl(ioaddr + XGMAC_LPI_CTRL);
442 if (link)
443 value |= XGMAC_PLS;
444 else
445 value &= ~XGMAC_PLS;
446 writel(value, ioaddr + XGMAC_LPI_CTRL);
447 }
448
dwxgmac2_set_eee_timer(struct mac_device_info * hw,int ls,int tw)449 static void dwxgmac2_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
450 {
451 void __iomem *ioaddr = hw->pcsr;
452 u32 value;
453
454 value = (tw & 0xffff) | ((ls & 0x3ff) << 16);
455 writel(value, ioaddr + XGMAC_LPI_TIMER_CTRL);
456 }
457
dwxgmac2_set_mchash(void __iomem * ioaddr,u32 * mcfilterbits,int mcbitslog2)458 static void dwxgmac2_set_mchash(void __iomem *ioaddr, u32 *mcfilterbits,
459 int mcbitslog2)
460 {
461 int numhashregs, regs;
462
463 switch (mcbitslog2) {
464 case 6:
465 numhashregs = 2;
466 break;
467 case 7:
468 numhashregs = 4;
469 break;
470 case 8:
471 numhashregs = 8;
472 break;
473 default:
474 return;
475 }
476
477 for (regs = 0; regs < numhashregs; regs++)
478 writel(mcfilterbits[regs], ioaddr + XGMAC_HASH_TABLE(regs));
479 }
480
dwxgmac2_set_filter(struct mac_device_info * hw,struct net_device * dev)481 static void dwxgmac2_set_filter(struct mac_device_info *hw,
482 struct net_device *dev)
483 {
484 void __iomem *ioaddr = (void __iomem *)dev->base_addr;
485 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
486 int mcbitslog2 = hw->mcast_bits_log2;
487 u32 mc_filter[8];
488 int i;
489
490 value &= ~(XGMAC_FILTER_PR | XGMAC_FILTER_HMC | XGMAC_FILTER_PM);
491 value |= XGMAC_FILTER_HPF;
492
493 memset(mc_filter, 0, sizeof(mc_filter));
494
495 if (dev->flags & IFF_PROMISC) {
496 value |= XGMAC_FILTER_PR;
497 value |= XGMAC_FILTER_PCF;
498 } else if ((dev->flags & IFF_ALLMULTI) ||
499 (netdev_mc_count(dev) > hw->multicast_filter_bins)) {
500 value |= XGMAC_FILTER_PM;
501
502 for (i = 0; i < XGMAC_MAX_HASH_TABLE; i++)
503 writel(~0x0, ioaddr + XGMAC_HASH_TABLE(i));
504 } else if (!netdev_mc_empty(dev) && (dev->flags & IFF_MULTICAST)) {
505 struct netdev_hw_addr *ha;
506
507 value |= XGMAC_FILTER_HMC;
508
509 netdev_for_each_mc_addr(ha, dev) {
510 u32 nr = (bitrev32(~crc32_le(~0, ha->addr, 6)) >>
511 (32 - mcbitslog2));
512 mc_filter[nr >> 5] |= (1 << (nr & 0x1F));
513 }
514 }
515
516 dwxgmac2_set_mchash(ioaddr, mc_filter, mcbitslog2);
517
518 /* Handle multiple unicast addresses */
519 if (netdev_uc_count(dev) > hw->unicast_filter_entries) {
520 value |= XGMAC_FILTER_PR;
521 } else {
522 struct netdev_hw_addr *ha;
523 int reg = 1;
524
525 netdev_for_each_uc_addr(ha, dev) {
526 dwxgmac2_set_umac_addr(hw, ha->addr, reg);
527 reg++;
528 }
529
530 for ( ; reg < XGMAC_ADDR_MAX; reg++) {
531 writel(0, ioaddr + XGMAC_ADDRx_HIGH(reg));
532 writel(0, ioaddr + XGMAC_ADDRx_LOW(reg));
533 }
534 }
535
536 writel(value, ioaddr + XGMAC_PACKET_FILTER);
537 }
538
dwxgmac2_set_mac_loopback(void __iomem * ioaddr,bool enable)539 static void dwxgmac2_set_mac_loopback(void __iomem *ioaddr, bool enable)
540 {
541 u32 value = readl(ioaddr + XGMAC_RX_CONFIG);
542
543 if (enable)
544 value |= XGMAC_CONFIG_LM;
545 else
546 value &= ~XGMAC_CONFIG_LM;
547
548 writel(value, ioaddr + XGMAC_RX_CONFIG);
549 }
550
dwxgmac2_rss_write_reg(void __iomem * ioaddr,bool is_key,int idx,u32 val)551 static int dwxgmac2_rss_write_reg(void __iomem *ioaddr, bool is_key, int idx,
552 u32 val)
553 {
554 u32 ctrl = 0;
555
556 writel(val, ioaddr + XGMAC_RSS_DATA);
557 ctrl |= idx << XGMAC_RSSIA_SHIFT;
558 ctrl |= is_key ? XGMAC_ADDRT : 0x0;
559 ctrl |= XGMAC_OB;
560 writel(ctrl, ioaddr + XGMAC_RSS_ADDR);
561
562 return readl_poll_timeout(ioaddr + XGMAC_RSS_ADDR, ctrl,
563 !(ctrl & XGMAC_OB), 100, 10000);
564 }
565
dwxgmac2_rss_configure(struct mac_device_info * hw,struct stmmac_rss * cfg,u32 num_rxq)566 static int dwxgmac2_rss_configure(struct mac_device_info *hw,
567 struct stmmac_rss *cfg, u32 num_rxq)
568 {
569 void __iomem *ioaddr = hw->pcsr;
570 u32 value, *key;
571 int i, ret;
572
573 value = readl(ioaddr + XGMAC_RSS_CTRL);
574 if (!cfg || !cfg->enable) {
575 value &= ~XGMAC_RSSE;
576 writel(value, ioaddr + XGMAC_RSS_CTRL);
577 return 0;
578 }
579
580 key = (u32 *)cfg->key;
581 for (i = 0; i < (ARRAY_SIZE(cfg->key) / sizeof(u32)); i++) {
582 ret = dwxgmac2_rss_write_reg(ioaddr, true, i, key[i]);
583 if (ret)
584 return ret;
585 }
586
587 for (i = 0; i < ARRAY_SIZE(cfg->table); i++) {
588 ret = dwxgmac2_rss_write_reg(ioaddr, false, i, cfg->table[i]);
589 if (ret)
590 return ret;
591 }
592
593 for (i = 0; i < num_rxq; i++)
594 dwxgmac2_map_mtl_to_dma(hw, i, XGMAC_QDDMACH);
595
596 value |= XGMAC_UDP4TE | XGMAC_TCP4TE | XGMAC_IP2TE | XGMAC_RSSE;
597 writel(value, ioaddr + XGMAC_RSS_CTRL);
598 return 0;
599 }
600
dwxgmac2_update_vlan_hash(struct mac_device_info * hw,u32 hash,__le16 perfect_match,bool is_double)601 static void dwxgmac2_update_vlan_hash(struct mac_device_info *hw, u32 hash,
602 __le16 perfect_match, bool is_double)
603 {
604 void __iomem *ioaddr = hw->pcsr;
605
606 writel(hash, ioaddr + XGMAC_VLAN_HASH_TABLE);
607
608 if (hash) {
609 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
610
611 value |= XGMAC_FILTER_VTFE;
612
613 writel(value, ioaddr + XGMAC_PACKET_FILTER);
614
615 value = readl(ioaddr + XGMAC_VLAN_TAG);
616
617 value |= XGMAC_VLAN_VTHM | XGMAC_VLAN_ETV;
618 if (is_double) {
619 value |= XGMAC_VLAN_EDVLP;
620 value |= XGMAC_VLAN_ESVL;
621 value |= XGMAC_VLAN_DOVLTC;
622 } else {
623 value &= ~XGMAC_VLAN_EDVLP;
624 value &= ~XGMAC_VLAN_ESVL;
625 value &= ~XGMAC_VLAN_DOVLTC;
626 }
627
628 value &= ~XGMAC_VLAN_VID;
629 writel(value, ioaddr + XGMAC_VLAN_TAG);
630 } else if (perfect_match) {
631 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
632
633 value |= XGMAC_FILTER_VTFE;
634
635 writel(value, ioaddr + XGMAC_PACKET_FILTER);
636
637 value = readl(ioaddr + XGMAC_VLAN_TAG);
638
639 value &= ~XGMAC_VLAN_VTHM;
640 value |= XGMAC_VLAN_ETV;
641 if (is_double) {
642 value |= XGMAC_VLAN_EDVLP;
643 value |= XGMAC_VLAN_ESVL;
644 value |= XGMAC_VLAN_DOVLTC;
645 } else {
646 value &= ~XGMAC_VLAN_EDVLP;
647 value &= ~XGMAC_VLAN_ESVL;
648 value &= ~XGMAC_VLAN_DOVLTC;
649 }
650
651 value &= ~XGMAC_VLAN_VID;
652 writel(value | perfect_match, ioaddr + XGMAC_VLAN_TAG);
653 } else {
654 u32 value = readl(ioaddr + XGMAC_PACKET_FILTER);
655
656 value &= ~XGMAC_FILTER_VTFE;
657
658 writel(value, ioaddr + XGMAC_PACKET_FILTER);
659
660 value = readl(ioaddr + XGMAC_VLAN_TAG);
661
662 value &= ~(XGMAC_VLAN_VTHM | XGMAC_VLAN_ETV);
663 value &= ~(XGMAC_VLAN_EDVLP | XGMAC_VLAN_ESVL);
664 value &= ~XGMAC_VLAN_DOVLTC;
665 value &= ~XGMAC_VLAN_VID;
666
667 writel(value, ioaddr + XGMAC_VLAN_TAG);
668 }
669 }
670
671 struct dwxgmac3_error_desc {
672 bool valid;
673 const char *desc;
674 const char *detailed_desc;
675 };
676
677 #define STAT_OFF(field) offsetof(struct stmmac_safety_stats, field)
678
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)679 static void dwxgmac3_log_error(struct net_device *ndev, u32 value, bool corr,
680 const char *module_name,
681 const struct dwxgmac3_error_desc *desc,
682 unsigned long field_offset,
683 struct stmmac_safety_stats *stats)
684 {
685 unsigned long loc, mask;
686 u8 *bptr = (u8 *)stats;
687 unsigned long *ptr;
688
689 ptr = (unsigned long *)(bptr + field_offset);
690
691 mask = value;
692 for_each_set_bit(loc, &mask, 32) {
693 netdev_err(ndev, "Found %s error in %s: '%s: %s'\n", corr ?
694 "correctable" : "uncorrectable", module_name,
695 desc[loc].desc, desc[loc].detailed_desc);
696
697 /* Update counters */
698 ptr[loc]++;
699 }
700 }
701
702 static const struct dwxgmac3_error_desc dwxgmac3_mac_errors[32]= {
703 { true, "ATPES", "Application Transmit Interface Parity Check Error" },
704 { true, "DPES", "Descriptor Cache Data Path Parity Check Error" },
705 { true, "TPES", "TSO Data Path Parity Check Error" },
706 { true, "TSOPES", "TSO Header Data Path Parity Check Error" },
707 { true, "MTPES", "MTL Data Path Parity Check Error" },
708 { true, "MTSPES", "MTL TX Status Data Path Parity Check Error" },
709 { true, "MTBUPES", "MAC TBU Data Path Parity Check Error" },
710 { true, "MTFCPES", "MAC TFC Data Path Parity Check Error" },
711 { true, "ARPES", "Application Receive Interface Data Path Parity Check Error" },
712 { true, "MRWCPES", "MTL RWC Data Path Parity Check Error" },
713 { true, "MRRCPES", "MTL RCC Data Path Parity Check Error" },
714 { true, "CWPES", "CSR Write Data Path Parity Check Error" },
715 { true, "ASRPES", "AXI Slave Read Data Path Parity Check Error" },
716 { true, "TTES", "TX FSM Timeout Error" },
717 { true, "RTES", "RX FSM Timeout Error" },
718 { true, "CTES", "CSR FSM Timeout Error" },
719 { true, "ATES", "APP FSM Timeout Error" },
720 { true, "PTES", "PTP FSM Timeout Error" },
721 { false, "UNKNOWN", "Unknown Error" }, /* 18 */
722 { false, "UNKNOWN", "Unknown Error" }, /* 19 */
723 { false, "UNKNOWN", "Unknown Error" }, /* 20 */
724 { true, "MSTTES", "Master Read/Write Timeout Error" },
725 { true, "SLVTES", "Slave Read/Write Timeout Error" },
726 { true, "ATITES", "Application Timeout on ATI Interface Error" },
727 { true, "ARITES", "Application Timeout on ARI Interface Error" },
728 { true, "FSMPES", "FSM State Parity Error" },
729 { false, "UNKNOWN", "Unknown Error" }, /* 26 */
730 { false, "UNKNOWN", "Unknown Error" }, /* 27 */
731 { false, "UNKNOWN", "Unknown Error" }, /* 28 */
732 { false, "UNKNOWN", "Unknown Error" }, /* 29 */
733 { false, "UNKNOWN", "Unknown Error" }, /* 30 */
734 { true, "CPI", "Control Register Parity Check Error" },
735 };
736
dwxgmac3_handle_mac_err(struct net_device * ndev,void __iomem * ioaddr,bool correctable,struct stmmac_safety_stats * stats)737 static void dwxgmac3_handle_mac_err(struct net_device *ndev,
738 void __iomem *ioaddr, bool correctable,
739 struct stmmac_safety_stats *stats)
740 {
741 u32 value;
742
743 value = readl(ioaddr + XGMAC_MAC_DPP_FSM_INT_STATUS);
744 writel(value, ioaddr + XGMAC_MAC_DPP_FSM_INT_STATUS);
745
746 dwxgmac3_log_error(ndev, value, correctable, "MAC",
747 dwxgmac3_mac_errors, STAT_OFF(mac_errors), stats);
748 }
749
750 static const struct dwxgmac3_error_desc dwxgmac3_mtl_errors[32]= {
751 { true, "TXCES", "MTL TX Memory Error" },
752 { true, "TXAMS", "MTL TX Memory Address Mismatch Error" },
753 { true, "TXUES", "MTL TX Memory Error" },
754 { false, "UNKNOWN", "Unknown Error" }, /* 3 */
755 { true, "RXCES", "MTL RX Memory Error" },
756 { true, "RXAMS", "MTL RX Memory Address Mismatch Error" },
757 { true, "RXUES", "MTL RX Memory Error" },
758 { false, "UNKNOWN", "Unknown Error" }, /* 7 */
759 { true, "ECES", "MTL EST Memory Error" },
760 { true, "EAMS", "MTL EST Memory Address Mismatch Error" },
761 { true, "EUES", "MTL EST Memory Error" },
762 { false, "UNKNOWN", "Unknown Error" }, /* 11 */
763 { true, "RPCES", "MTL RX Parser Memory Error" },
764 { true, "RPAMS", "MTL RX Parser Memory Address Mismatch Error" },
765 { true, "RPUES", "MTL RX Parser Memory Error" },
766 { false, "UNKNOWN", "Unknown Error" }, /* 15 */
767 { false, "UNKNOWN", "Unknown Error" }, /* 16 */
768 { false, "UNKNOWN", "Unknown Error" }, /* 17 */
769 { false, "UNKNOWN", "Unknown Error" }, /* 18 */
770 { false, "UNKNOWN", "Unknown Error" }, /* 19 */
771 { false, "UNKNOWN", "Unknown Error" }, /* 20 */
772 { false, "UNKNOWN", "Unknown Error" }, /* 21 */
773 { false, "UNKNOWN", "Unknown Error" }, /* 22 */
774 { false, "UNKNOWN", "Unknown Error" }, /* 23 */
775 { false, "UNKNOWN", "Unknown Error" }, /* 24 */
776 { false, "UNKNOWN", "Unknown Error" }, /* 25 */
777 { false, "UNKNOWN", "Unknown Error" }, /* 26 */
778 { false, "UNKNOWN", "Unknown Error" }, /* 27 */
779 { false, "UNKNOWN", "Unknown Error" }, /* 28 */
780 { false, "UNKNOWN", "Unknown Error" }, /* 29 */
781 { false, "UNKNOWN", "Unknown Error" }, /* 30 */
782 { false, "UNKNOWN", "Unknown Error" }, /* 31 */
783 };
784
dwxgmac3_handle_mtl_err(struct net_device * ndev,void __iomem * ioaddr,bool correctable,struct stmmac_safety_stats * stats)785 static void dwxgmac3_handle_mtl_err(struct net_device *ndev,
786 void __iomem *ioaddr, bool correctable,
787 struct stmmac_safety_stats *stats)
788 {
789 u32 value;
790
791 value = readl(ioaddr + XGMAC_MTL_ECC_INT_STATUS);
792 writel(value, ioaddr + XGMAC_MTL_ECC_INT_STATUS);
793
794 dwxgmac3_log_error(ndev, value, correctable, "MTL",
795 dwxgmac3_mtl_errors, STAT_OFF(mtl_errors), stats);
796 }
797
798 static const struct dwxgmac3_error_desc dwxgmac3_dma_errors[32]= {
799 { true, "TCES", "DMA TSO Memory Error" },
800 { true, "TAMS", "DMA TSO Memory Address Mismatch Error" },
801 { true, "TUES", "DMA TSO Memory Error" },
802 { false, "UNKNOWN", "Unknown Error" }, /* 3 */
803 { true, "DCES", "DMA DCACHE Memory Error" },
804 { true, "DAMS", "DMA DCACHE Address Mismatch Error" },
805 { true, "DUES", "DMA DCACHE Memory Error" },
806 { false, "UNKNOWN", "Unknown Error" }, /* 7 */
807 { false, "UNKNOWN", "Unknown Error" }, /* 8 */
808 { false, "UNKNOWN", "Unknown Error" }, /* 9 */
809 { false, "UNKNOWN", "Unknown Error" }, /* 10 */
810 { false, "UNKNOWN", "Unknown Error" }, /* 11 */
811 { false, "UNKNOWN", "Unknown Error" }, /* 12 */
812 { false, "UNKNOWN", "Unknown Error" }, /* 13 */
813 { false, "UNKNOWN", "Unknown Error" }, /* 14 */
814 { false, "UNKNOWN", "Unknown Error" }, /* 15 */
815 { false, "UNKNOWN", "Unknown Error" }, /* 16 */
816 { false, "UNKNOWN", "Unknown Error" }, /* 17 */
817 { false, "UNKNOWN", "Unknown Error" }, /* 18 */
818 { false, "UNKNOWN", "Unknown Error" }, /* 19 */
819 { false, "UNKNOWN", "Unknown Error" }, /* 20 */
820 { false, "UNKNOWN", "Unknown Error" }, /* 21 */
821 { false, "UNKNOWN", "Unknown Error" }, /* 22 */
822 { false, "UNKNOWN", "Unknown Error" }, /* 23 */
823 { false, "UNKNOWN", "Unknown Error" }, /* 24 */
824 { false, "UNKNOWN", "Unknown Error" }, /* 25 */
825 { false, "UNKNOWN", "Unknown Error" }, /* 26 */
826 { false, "UNKNOWN", "Unknown Error" }, /* 27 */
827 { false, "UNKNOWN", "Unknown Error" }, /* 28 */
828 { false, "UNKNOWN", "Unknown Error" }, /* 29 */
829 { false, "UNKNOWN", "Unknown Error" }, /* 30 */
830 { false, "UNKNOWN", "Unknown Error" }, /* 31 */
831 };
832
833 #define DPP_RX_ERR "Read Rx Descriptor Parity checker Error"
834 #define DPP_TX_ERR "Read Tx Descriptor Parity checker Error"
835
836 static const struct dwxgmac3_error_desc dwxgmac3_dma_dpp_errors[32] = {
837 { true, "TDPES0", DPP_TX_ERR },
838 { true, "TDPES1", DPP_TX_ERR },
839 { true, "TDPES2", DPP_TX_ERR },
840 { true, "TDPES3", DPP_TX_ERR },
841 { true, "TDPES4", DPP_TX_ERR },
842 { true, "TDPES5", DPP_TX_ERR },
843 { true, "TDPES6", DPP_TX_ERR },
844 { true, "TDPES7", DPP_TX_ERR },
845 { true, "TDPES8", DPP_TX_ERR },
846 { true, "TDPES9", DPP_TX_ERR },
847 { true, "TDPES10", DPP_TX_ERR },
848 { true, "TDPES11", DPP_TX_ERR },
849 { true, "TDPES12", DPP_TX_ERR },
850 { true, "TDPES13", DPP_TX_ERR },
851 { true, "TDPES14", DPP_TX_ERR },
852 { true, "TDPES15", DPP_TX_ERR },
853 { true, "RDPES0", DPP_RX_ERR },
854 { true, "RDPES1", DPP_RX_ERR },
855 { true, "RDPES2", DPP_RX_ERR },
856 { true, "RDPES3", DPP_RX_ERR },
857 { true, "RDPES4", DPP_RX_ERR },
858 { true, "RDPES5", DPP_RX_ERR },
859 { true, "RDPES6", DPP_RX_ERR },
860 { true, "RDPES7", DPP_RX_ERR },
861 { true, "RDPES8", DPP_RX_ERR },
862 { true, "RDPES9", DPP_RX_ERR },
863 { true, "RDPES10", DPP_RX_ERR },
864 { true, "RDPES11", DPP_RX_ERR },
865 { true, "RDPES12", DPP_RX_ERR },
866 { true, "RDPES13", DPP_RX_ERR },
867 { true, "RDPES14", DPP_RX_ERR },
868 { true, "RDPES15", DPP_RX_ERR },
869 };
870
dwxgmac3_handle_dma_err(struct net_device * ndev,void __iomem * ioaddr,bool correctable,struct stmmac_safety_stats * stats)871 static void dwxgmac3_handle_dma_err(struct net_device *ndev,
872 void __iomem *ioaddr, bool correctable,
873 struct stmmac_safety_stats *stats)
874 {
875 u32 value;
876
877 value = readl(ioaddr + XGMAC_DMA_ECC_INT_STATUS);
878 writel(value, ioaddr + XGMAC_DMA_ECC_INT_STATUS);
879
880 dwxgmac3_log_error(ndev, value, correctable, "DMA",
881 dwxgmac3_dma_errors, STAT_OFF(dma_errors), stats);
882
883 value = readl(ioaddr + XGMAC_DMA_DPP_INT_STATUS);
884 writel(value, ioaddr + XGMAC_DMA_DPP_INT_STATUS);
885
886 dwxgmac3_log_error(ndev, value, false, "DMA_DPP",
887 dwxgmac3_dma_dpp_errors,
888 STAT_OFF(dma_dpp_errors), stats);
889 }
890
891 static int
dwxgmac3_safety_feat_config(void __iomem * ioaddr,unsigned int asp,struct stmmac_safety_feature_cfg * safety_cfg)892 dwxgmac3_safety_feat_config(void __iomem *ioaddr, unsigned int asp,
893 struct stmmac_safety_feature_cfg *safety_cfg)
894 {
895 u32 value;
896
897 if (!asp)
898 return -EINVAL;
899
900 /* 1. Enable Safety Features */
901 writel(0x0, ioaddr + XGMAC_MTL_ECC_CONTROL);
902
903 /* 2. Enable MTL Safety Interrupts */
904 value = readl(ioaddr + XGMAC_MTL_ECC_INT_ENABLE);
905 value |= XGMAC_RPCEIE; /* RX Parser Memory Correctable Error */
906 value |= XGMAC_ECEIE; /* EST Memory Correctable Error */
907 value |= XGMAC_RXCEIE; /* RX Memory Correctable Error */
908 value |= XGMAC_TXCEIE; /* TX Memory Correctable Error */
909 writel(value, ioaddr + XGMAC_MTL_ECC_INT_ENABLE);
910
911 /* 3. Enable DMA Safety Interrupts */
912 value = readl(ioaddr + XGMAC_DMA_ECC_INT_ENABLE);
913 value |= XGMAC_DCEIE; /* Descriptor Cache Memory Correctable Error */
914 value |= XGMAC_TCEIE; /* TSO Memory Correctable Error */
915 writel(value, ioaddr + XGMAC_DMA_ECC_INT_ENABLE);
916
917 /* 0x2: Without ECC or Parity Ports on External Application Interface
918 * 0x4: Only ECC Protection for External Memory feature is selected
919 */
920 if (asp == 0x2 || asp == 0x4)
921 return 0;
922
923 /* 4. Enable Parity and Timeout for FSM */
924 value = readl(ioaddr + XGMAC_MAC_FSM_CONTROL);
925 value |= XGMAC_PRTYEN; /* FSM Parity Feature */
926 value |= XGMAC_TMOUTEN; /* FSM Timeout Feature */
927 writel(value, ioaddr + XGMAC_MAC_FSM_CONTROL);
928
929 /* 5. Enable Data Path Parity Protection */
930 value = readl(ioaddr + XGMAC_MTL_DPP_CONTROL);
931 /* already enabled by default, explicit enable it again */
932 value &= ~XGMAC_DPP_DISABLE;
933 writel(value, ioaddr + XGMAC_MTL_DPP_CONTROL);
934
935 return 0;
936 }
937
dwxgmac3_safety_feat_irq_status(struct net_device * ndev,void __iomem * ioaddr,unsigned int asp,struct stmmac_safety_stats * stats)938 static int dwxgmac3_safety_feat_irq_status(struct net_device *ndev,
939 void __iomem *ioaddr,
940 unsigned int asp,
941 struct stmmac_safety_stats *stats)
942 {
943 bool err, corr;
944 u32 mtl, dma;
945 int ret = 0;
946
947 if (!asp)
948 return -EINVAL;
949
950 mtl = readl(ioaddr + XGMAC_MTL_SAFETY_INT_STATUS);
951 dma = readl(ioaddr + XGMAC_DMA_SAFETY_INT_STATUS);
952
953 err = (mtl & XGMAC_MCSIS) || (dma & XGMAC_MCSIS);
954 corr = false;
955 if (err) {
956 dwxgmac3_handle_mac_err(ndev, ioaddr, corr, stats);
957 ret |= !corr;
958 }
959
960 err = (mtl & (XGMAC_MEUIS | XGMAC_MECIS)) ||
961 (dma & (XGMAC_MSUIS | XGMAC_MSCIS));
962 corr = (mtl & XGMAC_MECIS) || (dma & XGMAC_MSCIS);
963 if (err) {
964 dwxgmac3_handle_mtl_err(ndev, ioaddr, corr, stats);
965 ret |= !corr;
966 }
967
968 /* DMA_DPP_Interrupt_Status is indicated by MCSIS bit in
969 * DMA_Safety_Interrupt_Status, so we handle DMA Data Path
970 * Parity Errors here
971 */
972 err = dma & (XGMAC_DEUIS | XGMAC_DECIS | XGMAC_MCSIS);
973 corr = dma & XGMAC_DECIS;
974 if (err) {
975 dwxgmac3_handle_dma_err(ndev, ioaddr, corr, stats);
976 ret |= !corr;
977 }
978
979 return ret;
980 }
981
982 static const struct dwxgmac3_error {
983 const struct dwxgmac3_error_desc *desc;
984 } dwxgmac3_all_errors[] = {
985 { dwxgmac3_mac_errors },
986 { dwxgmac3_mtl_errors },
987 { dwxgmac3_dma_errors },
988 { dwxgmac3_dma_dpp_errors },
989 };
990
dwxgmac3_safety_feat_dump(struct stmmac_safety_stats * stats,int index,unsigned long * count,const char ** desc)991 static int dwxgmac3_safety_feat_dump(struct stmmac_safety_stats *stats,
992 int index, unsigned long *count,
993 const char **desc)
994 {
995 int module = index / 32, offset = index % 32;
996 unsigned long *ptr = (unsigned long *)stats;
997
998 if (module >= ARRAY_SIZE(dwxgmac3_all_errors))
999 return -EINVAL;
1000 if (!dwxgmac3_all_errors[module].desc[offset].valid)
1001 return -EINVAL;
1002 if (count)
1003 *count = *(ptr + index);
1004 if (desc)
1005 *desc = dwxgmac3_all_errors[module].desc[offset].desc;
1006 return 0;
1007 }
1008
dwxgmac3_rxp_disable(void __iomem * ioaddr)1009 static int dwxgmac3_rxp_disable(void __iomem *ioaddr)
1010 {
1011 u32 val = readl(ioaddr + XGMAC_MTL_OPMODE);
1012
1013 val &= ~XGMAC_FRPE;
1014 writel(val, ioaddr + XGMAC_MTL_OPMODE);
1015
1016 return 0;
1017 }
1018
dwxgmac3_rxp_enable(void __iomem * ioaddr)1019 static void dwxgmac3_rxp_enable(void __iomem *ioaddr)
1020 {
1021 u32 val;
1022
1023 val = readl(ioaddr + XGMAC_MTL_OPMODE);
1024 val |= XGMAC_FRPE;
1025 writel(val, ioaddr + XGMAC_MTL_OPMODE);
1026 }
1027
dwxgmac3_rxp_update_single_entry(void __iomem * ioaddr,struct stmmac_tc_entry * entry,int pos)1028 static int dwxgmac3_rxp_update_single_entry(void __iomem *ioaddr,
1029 struct stmmac_tc_entry *entry,
1030 int pos)
1031 {
1032 int ret, i;
1033
1034 for (i = 0; i < (sizeof(entry->val) / sizeof(u32)); i++) {
1035 int real_pos = pos * (sizeof(entry->val) / sizeof(u32)) + i;
1036 u32 val;
1037
1038 /* Wait for ready */
1039 ret = readl_poll_timeout(ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST,
1040 val, !(val & XGMAC_STARTBUSY), 1, 10000);
1041 if (ret)
1042 return ret;
1043
1044 /* Write data */
1045 val = *((u32 *)&entry->val + i);
1046 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_DATA);
1047
1048 /* Write pos */
1049 val = real_pos & XGMAC_ADDR;
1050 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST);
1051
1052 /* Write OP */
1053 val |= XGMAC_WRRDN;
1054 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST);
1055
1056 /* Start Write */
1057 val |= XGMAC_STARTBUSY;
1058 writel(val, ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST);
1059
1060 /* Wait for done */
1061 ret = readl_poll_timeout(ioaddr + XGMAC_MTL_RXP_IACC_CTRL_ST,
1062 val, !(val & XGMAC_STARTBUSY), 1, 10000);
1063 if (ret)
1064 return ret;
1065 }
1066
1067 return 0;
1068 }
1069
1070 static struct stmmac_tc_entry *
dwxgmac3_rxp_get_next_entry(struct stmmac_tc_entry * entries,unsigned int count,u32 curr_prio)1071 dwxgmac3_rxp_get_next_entry(struct stmmac_tc_entry *entries,
1072 unsigned int count, u32 curr_prio)
1073 {
1074 struct stmmac_tc_entry *entry;
1075 u32 min_prio = ~0x0;
1076 int i, min_prio_idx;
1077 bool found = false;
1078
1079 for (i = count - 1; i >= 0; i--) {
1080 entry = &entries[i];
1081
1082 /* Do not update unused entries */
1083 if (!entry->in_use)
1084 continue;
1085 /* Do not update already updated entries (i.e. fragments) */
1086 if (entry->in_hw)
1087 continue;
1088 /* Let last entry be updated last */
1089 if (entry->is_last)
1090 continue;
1091 /* Do not return fragments */
1092 if (entry->is_frag)
1093 continue;
1094 /* Check if we already checked this prio */
1095 if (entry->prio < curr_prio)
1096 continue;
1097 /* Check if this is the minimum prio */
1098 if (entry->prio < min_prio) {
1099 min_prio = entry->prio;
1100 min_prio_idx = i;
1101 found = true;
1102 }
1103 }
1104
1105 if (found)
1106 return &entries[min_prio_idx];
1107 return NULL;
1108 }
1109
dwxgmac3_rxp_config(void __iomem * ioaddr,struct stmmac_tc_entry * entries,unsigned int count)1110 static int dwxgmac3_rxp_config(void __iomem *ioaddr,
1111 struct stmmac_tc_entry *entries,
1112 unsigned int count)
1113 {
1114 struct stmmac_tc_entry *entry, *frag;
1115 int i, ret, nve = 0;
1116 u32 curr_prio = 0;
1117 u32 old_val, val;
1118
1119 /* Force disable RX */
1120 old_val = readl(ioaddr + XGMAC_RX_CONFIG);
1121 val = old_val & ~XGMAC_CONFIG_RE;
1122 writel(val, ioaddr + XGMAC_RX_CONFIG);
1123
1124 /* Disable RX Parser */
1125 ret = dwxgmac3_rxp_disable(ioaddr);
1126 if (ret)
1127 goto re_enable;
1128
1129 /* Set all entries as NOT in HW */
1130 for (i = 0; i < count; i++) {
1131 entry = &entries[i];
1132 entry->in_hw = false;
1133 }
1134
1135 /* Update entries by reverse order */
1136 while (1) {
1137 entry = dwxgmac3_rxp_get_next_entry(entries, count, curr_prio);
1138 if (!entry)
1139 break;
1140
1141 curr_prio = entry->prio;
1142 frag = entry->frag_ptr;
1143
1144 /* Set special fragment requirements */
1145 if (frag) {
1146 entry->val.af = 0;
1147 entry->val.rf = 0;
1148 entry->val.nc = 1;
1149 entry->val.ok_index = nve + 2;
1150 }
1151
1152 ret = dwxgmac3_rxp_update_single_entry(ioaddr, entry, nve);
1153 if (ret)
1154 goto re_enable;
1155
1156 entry->table_pos = nve++;
1157 entry->in_hw = true;
1158
1159 if (frag && !frag->in_hw) {
1160 ret = dwxgmac3_rxp_update_single_entry(ioaddr, frag, nve);
1161 if (ret)
1162 goto re_enable;
1163 frag->table_pos = nve++;
1164 frag->in_hw = true;
1165 }
1166 }
1167
1168 if (!nve)
1169 goto re_enable;
1170
1171 /* Update all pass entry */
1172 for (i = 0; i < count; i++) {
1173 entry = &entries[i];
1174 if (!entry->is_last)
1175 continue;
1176
1177 ret = dwxgmac3_rxp_update_single_entry(ioaddr, entry, nve);
1178 if (ret)
1179 goto re_enable;
1180
1181 entry->table_pos = nve++;
1182 }
1183
1184 /* Assume n. of parsable entries == n. of valid entries */
1185 val = (nve << 16) & XGMAC_NPE;
1186 val |= nve & XGMAC_NVE;
1187 writel(val, ioaddr + XGMAC_MTL_RXP_CONTROL_STATUS);
1188
1189 /* Enable RX Parser */
1190 dwxgmac3_rxp_enable(ioaddr);
1191
1192 re_enable:
1193 /* Re-enable RX */
1194 writel(old_val, ioaddr + XGMAC_RX_CONFIG);
1195 return ret;
1196 }
1197
dwxgmac2_get_mac_tx_timestamp(struct mac_device_info * hw,u64 * ts)1198 static int dwxgmac2_get_mac_tx_timestamp(struct mac_device_info *hw, u64 *ts)
1199 {
1200 void __iomem *ioaddr = hw->pcsr;
1201 u32 value;
1202
1203 if (readl_poll_timeout_atomic(ioaddr + XGMAC_TIMESTAMP_STATUS,
1204 value, value & XGMAC_TXTSC, 100, 10000))
1205 return -EBUSY;
1206
1207 *ts = readl(ioaddr + XGMAC_TXTIMESTAMP_NSEC) & XGMAC_TXTSSTSLO;
1208 *ts += readl(ioaddr + XGMAC_TXTIMESTAMP_SEC) * 1000000000ULL;
1209 return 0;
1210 }
1211
dwxgmac2_flex_pps_config(void __iomem * ioaddr,int index,struct stmmac_pps_cfg * cfg,bool enable,u32 sub_second_inc,u32 systime_flags)1212 static int dwxgmac2_flex_pps_config(void __iomem *ioaddr, int index,
1213 struct stmmac_pps_cfg *cfg, bool enable,
1214 u32 sub_second_inc, u32 systime_flags)
1215 {
1216 u32 tnsec = readl(ioaddr + XGMAC_PPSx_TARGET_TIME_NSEC(index));
1217 u32 val = readl(ioaddr + XGMAC_PPS_CONTROL);
1218 u64 period;
1219
1220 if (!cfg->available)
1221 return -EINVAL;
1222 if (tnsec & XGMAC_TRGTBUSY0)
1223 return -EBUSY;
1224 if (!sub_second_inc || !systime_flags)
1225 return -EINVAL;
1226
1227 val &= ~XGMAC_PPSx_MASK(index);
1228
1229 if (!enable) {
1230 val |= XGMAC_PPSCMDx(index, XGMAC_PPSCMD_STOP);
1231 writel(val, ioaddr + XGMAC_PPS_CONTROL);
1232 return 0;
1233 }
1234
1235 val |= XGMAC_PPSCMDx(index, XGMAC_PPSCMD_START);
1236 val |= XGMAC_TRGTMODSELx(index, XGMAC_PPSCMD_START);
1237
1238 /* XGMAC Core has 4 PPS outputs at most.
1239 *
1240 * Prior XGMAC Core 3.20, Fixed mode or Flexible mode are selectable for
1241 * PPS0 only via PPSEN0. PPS{1,2,3} are in Flexible mode by default,
1242 * and can not be switched to Fixed mode, since PPSEN{1,2,3} are
1243 * read-only reserved to 0.
1244 * But we always set PPSEN{1,2,3} do not make things worse ;-)
1245 *
1246 * From XGMAC Core 3.20 and later, PPSEN{0,1,2,3} are writable and must
1247 * be set, or the PPS outputs stay in Fixed PPS mode by default.
1248 */
1249 val |= XGMAC_PPSENx(index);
1250
1251 writel(cfg->start.tv_sec, ioaddr + XGMAC_PPSx_TARGET_TIME_SEC(index));
1252
1253 if (!(systime_flags & PTP_TCR_TSCTRLSSR))
1254 cfg->start.tv_nsec = (cfg->start.tv_nsec * 1000) / 465;
1255 writel(cfg->start.tv_nsec, ioaddr + XGMAC_PPSx_TARGET_TIME_NSEC(index));
1256
1257 period = cfg->period.tv_sec * 1000000000;
1258 period += cfg->period.tv_nsec;
1259
1260 do_div(period, sub_second_inc);
1261
1262 if (period <= 1)
1263 return -EINVAL;
1264
1265 writel(period - 1, ioaddr + XGMAC_PPSx_INTERVAL(index));
1266
1267 period >>= 1;
1268 if (period <= 1)
1269 return -EINVAL;
1270
1271 writel(period - 1, ioaddr + XGMAC_PPSx_WIDTH(index));
1272
1273 /* Finally, activate it */
1274 writel(val, ioaddr + XGMAC_PPS_CONTROL);
1275 return 0;
1276 }
1277
dwxgmac2_sarc_configure(void __iomem * ioaddr,int val)1278 static void dwxgmac2_sarc_configure(void __iomem *ioaddr, int val)
1279 {
1280 u32 value = readl(ioaddr + XGMAC_TX_CONFIG);
1281
1282 value &= ~XGMAC_CONFIG_SARC;
1283 value |= val << XGMAC_CONFIG_SARC_SHIFT;
1284
1285 writel(value, ioaddr + XGMAC_TX_CONFIG);
1286 }
1287
dwxgmac2_enable_vlan(struct mac_device_info * hw,u32 type)1288 static void dwxgmac2_enable_vlan(struct mac_device_info *hw, u32 type)
1289 {
1290 void __iomem *ioaddr = hw->pcsr;
1291 u32 value;
1292
1293 value = readl(ioaddr + XGMAC_VLAN_INCL);
1294 value |= XGMAC_VLAN_VLTI;
1295 value |= XGMAC_VLAN_CSVL; /* Only use SVLAN */
1296 value &= ~XGMAC_VLAN_VLC;
1297 value |= (type << XGMAC_VLAN_VLC_SHIFT) & XGMAC_VLAN_VLC;
1298 writel(value, ioaddr + XGMAC_VLAN_INCL);
1299 }
1300
dwxgmac2_filter_wait(struct mac_device_info * hw)1301 static int dwxgmac2_filter_wait(struct mac_device_info *hw)
1302 {
1303 void __iomem *ioaddr = hw->pcsr;
1304 u32 value;
1305
1306 if (readl_poll_timeout(ioaddr + XGMAC_L3L4_ADDR_CTRL, value,
1307 !(value & XGMAC_XB), 100, 10000))
1308 return -EBUSY;
1309 return 0;
1310 }
1311
dwxgmac2_filter_read(struct mac_device_info * hw,u32 filter_no,u8 reg,u32 * data)1312 static int dwxgmac2_filter_read(struct mac_device_info *hw, u32 filter_no,
1313 u8 reg, u32 *data)
1314 {
1315 void __iomem *ioaddr = hw->pcsr;
1316 u32 value;
1317 int ret;
1318
1319 ret = dwxgmac2_filter_wait(hw);
1320 if (ret)
1321 return ret;
1322
1323 value = ((filter_no << XGMAC_IDDR_FNUM) | reg) << XGMAC_IDDR_SHIFT;
1324 value |= XGMAC_TT | XGMAC_XB;
1325 writel(value, ioaddr + XGMAC_L3L4_ADDR_CTRL);
1326
1327 ret = dwxgmac2_filter_wait(hw);
1328 if (ret)
1329 return ret;
1330
1331 *data = readl(ioaddr + XGMAC_L3L4_DATA);
1332 return 0;
1333 }
1334
dwxgmac2_filter_write(struct mac_device_info * hw,u32 filter_no,u8 reg,u32 data)1335 static int dwxgmac2_filter_write(struct mac_device_info *hw, u32 filter_no,
1336 u8 reg, u32 data)
1337 {
1338 void __iomem *ioaddr = hw->pcsr;
1339 u32 value;
1340 int ret;
1341
1342 ret = dwxgmac2_filter_wait(hw);
1343 if (ret)
1344 return ret;
1345
1346 writel(data, ioaddr + XGMAC_L3L4_DATA);
1347
1348 value = ((filter_no << XGMAC_IDDR_FNUM) | reg) << XGMAC_IDDR_SHIFT;
1349 value |= XGMAC_XB;
1350 writel(value, ioaddr + XGMAC_L3L4_ADDR_CTRL);
1351
1352 return dwxgmac2_filter_wait(hw);
1353 }
1354
dwxgmac2_config_l3_filter(struct mac_device_info * hw,u32 filter_no,bool en,bool ipv6,bool sa,bool inv,u32 match)1355 static int dwxgmac2_config_l3_filter(struct mac_device_info *hw, u32 filter_no,
1356 bool en, bool ipv6, bool sa, bool inv,
1357 u32 match)
1358 {
1359 void __iomem *ioaddr = hw->pcsr;
1360 u32 value;
1361 int ret;
1362
1363 value = readl(ioaddr + XGMAC_PACKET_FILTER);
1364 value |= XGMAC_FILTER_IPFE;
1365 writel(value, ioaddr + XGMAC_PACKET_FILTER);
1366
1367 ret = dwxgmac2_filter_read(hw, filter_no, XGMAC_L3L4_CTRL, &value);
1368 if (ret)
1369 return ret;
1370
1371 /* For IPv6 not both SA/DA filters can be active */
1372 if (ipv6) {
1373 value |= XGMAC_L3PEN0;
1374 value &= ~(XGMAC_L3SAM0 | XGMAC_L3SAIM0);
1375 value &= ~(XGMAC_L3DAM0 | XGMAC_L3DAIM0);
1376 if (sa) {
1377 value |= XGMAC_L3SAM0;
1378 if (inv)
1379 value |= XGMAC_L3SAIM0;
1380 } else {
1381 value |= XGMAC_L3DAM0;
1382 if (inv)
1383 value |= XGMAC_L3DAIM0;
1384 }
1385 } else {
1386 value &= ~XGMAC_L3PEN0;
1387 if (sa) {
1388 value |= XGMAC_L3SAM0;
1389 if (inv)
1390 value |= XGMAC_L3SAIM0;
1391 } else {
1392 value |= XGMAC_L3DAM0;
1393 if (inv)
1394 value |= XGMAC_L3DAIM0;
1395 }
1396 }
1397
1398 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, value);
1399 if (ret)
1400 return ret;
1401
1402 if (sa) {
1403 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3_ADDR0, match);
1404 if (ret)
1405 return ret;
1406 } else {
1407 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3_ADDR1, match);
1408 if (ret)
1409 return ret;
1410 }
1411
1412 if (!en)
1413 return dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, 0);
1414
1415 return 0;
1416 }
1417
dwxgmac2_config_l4_filter(struct mac_device_info * hw,u32 filter_no,bool en,bool udp,bool sa,bool inv,u32 match)1418 static int dwxgmac2_config_l4_filter(struct mac_device_info *hw, u32 filter_no,
1419 bool en, bool udp, bool sa, bool inv,
1420 u32 match)
1421 {
1422 void __iomem *ioaddr = hw->pcsr;
1423 u32 value;
1424 int ret;
1425
1426 value = readl(ioaddr + XGMAC_PACKET_FILTER);
1427 value |= XGMAC_FILTER_IPFE;
1428 writel(value, ioaddr + XGMAC_PACKET_FILTER);
1429
1430 ret = dwxgmac2_filter_read(hw, filter_no, XGMAC_L3L4_CTRL, &value);
1431 if (ret)
1432 return ret;
1433
1434 if (udp) {
1435 value |= XGMAC_L4PEN0;
1436 } else {
1437 value &= ~XGMAC_L4PEN0;
1438 }
1439
1440 value &= ~(XGMAC_L4SPM0 | XGMAC_L4SPIM0);
1441 value &= ~(XGMAC_L4DPM0 | XGMAC_L4DPIM0);
1442 if (sa) {
1443 value |= XGMAC_L4SPM0;
1444 if (inv)
1445 value |= XGMAC_L4SPIM0;
1446 } else {
1447 value |= XGMAC_L4DPM0;
1448 if (inv)
1449 value |= XGMAC_L4DPIM0;
1450 }
1451
1452 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, value);
1453 if (ret)
1454 return ret;
1455
1456 if (sa) {
1457 value = match & XGMAC_L4SP0;
1458
1459 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L4_ADDR, value);
1460 if (ret)
1461 return ret;
1462 } else {
1463 value = (match << XGMAC_L4DP0_SHIFT) & XGMAC_L4DP0;
1464
1465 ret = dwxgmac2_filter_write(hw, filter_no, XGMAC_L4_ADDR, value);
1466 if (ret)
1467 return ret;
1468 }
1469
1470 if (!en)
1471 return dwxgmac2_filter_write(hw, filter_no, XGMAC_L3L4_CTRL, 0);
1472
1473 return 0;
1474 }
1475
dwxgmac2_set_arp_offload(struct mac_device_info * hw,bool en,u32 addr)1476 static void dwxgmac2_set_arp_offload(struct mac_device_info *hw, bool en,
1477 u32 addr)
1478 {
1479 void __iomem *ioaddr = hw->pcsr;
1480 u32 value;
1481
1482 writel(addr, ioaddr + XGMAC_ARP_ADDR);
1483
1484 value = readl(ioaddr + XGMAC_RX_CONFIG);
1485 if (en)
1486 value |= XGMAC_CONFIG_ARPEN;
1487 else
1488 value &= ~XGMAC_CONFIG_ARPEN;
1489 writel(value, ioaddr + XGMAC_RX_CONFIG);
1490 }
1491
dwxgmac3_est_write(void __iomem * ioaddr,u32 reg,u32 val,bool gcl)1492 static int dwxgmac3_est_write(void __iomem *ioaddr, u32 reg, u32 val, bool gcl)
1493 {
1494 u32 ctrl;
1495
1496 writel(val, ioaddr + XGMAC_MTL_EST_GCL_DATA);
1497
1498 ctrl = (reg << XGMAC_ADDR_SHIFT);
1499 ctrl |= gcl ? 0 : XGMAC_GCRR;
1500
1501 writel(ctrl, ioaddr + XGMAC_MTL_EST_GCL_CONTROL);
1502
1503 ctrl |= XGMAC_SRWO;
1504 writel(ctrl, ioaddr + XGMAC_MTL_EST_GCL_CONTROL);
1505
1506 return readl_poll_timeout_atomic(ioaddr + XGMAC_MTL_EST_GCL_CONTROL,
1507 ctrl, !(ctrl & XGMAC_SRWO), 100, 5000);
1508 }
1509
dwxgmac3_est_configure(void __iomem * ioaddr,struct stmmac_est * cfg,unsigned int ptp_rate)1510 static int dwxgmac3_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
1511 unsigned int ptp_rate)
1512 {
1513 int i, ret = 0x0;
1514 u32 ctrl;
1515
1516 ret |= dwxgmac3_est_write(ioaddr, XGMAC_BTR_LOW, cfg->btr[0], false);
1517 ret |= dwxgmac3_est_write(ioaddr, XGMAC_BTR_HIGH, cfg->btr[1], false);
1518 ret |= dwxgmac3_est_write(ioaddr, XGMAC_TER, cfg->ter, false);
1519 ret |= dwxgmac3_est_write(ioaddr, XGMAC_LLR, cfg->gcl_size, false);
1520 ret |= dwxgmac3_est_write(ioaddr, XGMAC_CTR_LOW, cfg->ctr[0], false);
1521 ret |= dwxgmac3_est_write(ioaddr, XGMAC_CTR_HIGH, cfg->ctr[1], false);
1522 if (ret)
1523 return ret;
1524
1525 for (i = 0; i < cfg->gcl_size; i++) {
1526 ret = dwxgmac3_est_write(ioaddr, i, cfg->gcl[i], true);
1527 if (ret)
1528 return ret;
1529 }
1530
1531 ctrl = readl(ioaddr + XGMAC_MTL_EST_CONTROL);
1532 ctrl &= ~XGMAC_PTOV;
1533 ctrl |= ((1000000000 / ptp_rate) * 9) << XGMAC_PTOV_SHIFT;
1534 if (cfg->enable)
1535 ctrl |= XGMAC_EEST | XGMAC_SSWL;
1536 else
1537 ctrl &= ~XGMAC_EEST;
1538
1539 writel(ctrl, ioaddr + XGMAC_MTL_EST_CONTROL);
1540 return 0;
1541 }
1542
dwxgmac3_fpe_configure(void __iomem * ioaddr,struct stmmac_fpe_cfg * cfg,u32 num_txq,u32 num_rxq,bool enable)1543 static void dwxgmac3_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
1544 u32 num_txq,
1545 u32 num_rxq, bool enable)
1546 {
1547 u32 value;
1548
1549 if (!enable) {
1550 value = readl(ioaddr + XGMAC_FPE_CTRL_STS);
1551
1552 value &= ~XGMAC_EFPE;
1553
1554 writel(value, ioaddr + XGMAC_FPE_CTRL_STS);
1555 return;
1556 }
1557
1558 value = readl(ioaddr + XGMAC_RXQ_CTRL1);
1559 value &= ~XGMAC_RQ;
1560 value |= (num_rxq - 1) << XGMAC_RQ_SHIFT;
1561 writel(value, ioaddr + XGMAC_RXQ_CTRL1);
1562
1563 value = readl(ioaddr + XGMAC_FPE_CTRL_STS);
1564 value |= XGMAC_EFPE;
1565 writel(value, ioaddr + XGMAC_FPE_CTRL_STS);
1566 }
1567
1568 const struct stmmac_ops dwxgmac210_ops = {
1569 .core_init = dwxgmac2_core_init,
1570 .phylink_get_caps = xgmac_phylink_get_caps,
1571 .set_mac = dwxgmac2_set_mac,
1572 .rx_ipc = dwxgmac2_rx_ipc,
1573 .rx_queue_enable = dwxgmac2_rx_queue_enable,
1574 .rx_queue_prio = dwxgmac2_rx_queue_prio,
1575 .tx_queue_prio = dwxgmac2_tx_queue_prio,
1576 .rx_queue_routing = dwxgmac2_rx_queue_routing,
1577 .prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
1578 .prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
1579 .set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,
1580 .map_mtl_to_dma = dwxgmac2_map_mtl_to_dma,
1581 .config_cbs = dwxgmac2_config_cbs,
1582 .dump_regs = dwxgmac2_dump_regs,
1583 .host_irq_status = dwxgmac2_host_irq_status,
1584 .host_mtl_irq_status = dwxgmac2_host_mtl_irq_status,
1585 .flow_ctrl = dwxgmac2_flow_ctrl,
1586 .pmt = dwxgmac2_pmt,
1587 .set_umac_addr = dwxgmac2_set_umac_addr,
1588 .get_umac_addr = dwxgmac2_get_umac_addr,
1589 .set_eee_mode = dwxgmac2_set_eee_mode,
1590 .reset_eee_mode = dwxgmac2_reset_eee_mode,
1591 .set_eee_timer = dwxgmac2_set_eee_timer,
1592 .set_eee_pls = dwxgmac2_set_eee_pls,
1593 .pcs_ctrl_ane = NULL,
1594 .pcs_rane = NULL,
1595 .pcs_get_adv_lp = NULL,
1596 .debug = NULL,
1597 .set_filter = dwxgmac2_set_filter,
1598 .safety_feat_config = dwxgmac3_safety_feat_config,
1599 .safety_feat_irq_status = dwxgmac3_safety_feat_irq_status,
1600 .safety_feat_dump = dwxgmac3_safety_feat_dump,
1601 .set_mac_loopback = dwxgmac2_set_mac_loopback,
1602 .rss_configure = dwxgmac2_rss_configure,
1603 .update_vlan_hash = dwxgmac2_update_vlan_hash,
1604 .rxp_config = dwxgmac3_rxp_config,
1605 .get_mac_tx_timestamp = dwxgmac2_get_mac_tx_timestamp,
1606 .flex_pps_config = dwxgmac2_flex_pps_config,
1607 .sarc_configure = dwxgmac2_sarc_configure,
1608 .enable_vlan = dwxgmac2_enable_vlan,
1609 .config_l3_filter = dwxgmac2_config_l3_filter,
1610 .config_l4_filter = dwxgmac2_config_l4_filter,
1611 .set_arp_offload = dwxgmac2_set_arp_offload,
1612 .est_configure = dwxgmac3_est_configure,
1613 .fpe_configure = dwxgmac3_fpe_configure,
1614 };
1615
dwxlgmac2_rx_queue_enable(struct mac_device_info * hw,u8 mode,u32 queue)1616 static void dwxlgmac2_rx_queue_enable(struct mac_device_info *hw, u8 mode,
1617 u32 queue)
1618 {
1619 void __iomem *ioaddr = hw->pcsr;
1620 u32 value;
1621
1622 value = readl(ioaddr + XLGMAC_RXQ_ENABLE_CTRL0) & ~XGMAC_RXQEN(queue);
1623 if (mode == MTL_QUEUE_AVB)
1624 value |= 0x1 << XGMAC_RXQEN_SHIFT(queue);
1625 else if (mode == MTL_QUEUE_DCB)
1626 value |= 0x2 << XGMAC_RXQEN_SHIFT(queue);
1627 writel(value, ioaddr + XLGMAC_RXQ_ENABLE_CTRL0);
1628 }
1629
1630 const struct stmmac_ops dwxlgmac2_ops = {
1631 .core_init = dwxgmac2_core_init,
1632 .phylink_get_caps = xgmac_phylink_get_caps,
1633 .set_mac = dwxgmac2_set_mac,
1634 .rx_ipc = dwxgmac2_rx_ipc,
1635 .rx_queue_enable = dwxlgmac2_rx_queue_enable,
1636 .rx_queue_prio = dwxgmac2_rx_queue_prio,
1637 .tx_queue_prio = dwxgmac2_tx_queue_prio,
1638 .rx_queue_routing = dwxgmac2_rx_queue_routing,
1639 .prog_mtl_rx_algorithms = dwxgmac2_prog_mtl_rx_algorithms,
1640 .prog_mtl_tx_algorithms = dwxgmac2_prog_mtl_tx_algorithms,
1641 .set_mtl_tx_queue_weight = dwxgmac2_set_mtl_tx_queue_weight,
1642 .map_mtl_to_dma = dwxgmac2_map_mtl_to_dma,
1643 .config_cbs = dwxgmac2_config_cbs,
1644 .dump_regs = dwxgmac2_dump_regs,
1645 .host_irq_status = dwxgmac2_host_irq_status,
1646 .host_mtl_irq_status = dwxgmac2_host_mtl_irq_status,
1647 .flow_ctrl = dwxgmac2_flow_ctrl,
1648 .pmt = dwxgmac2_pmt,
1649 .set_umac_addr = dwxgmac2_set_umac_addr,
1650 .get_umac_addr = dwxgmac2_get_umac_addr,
1651 .set_eee_mode = dwxgmac2_set_eee_mode,
1652 .reset_eee_mode = dwxgmac2_reset_eee_mode,
1653 .set_eee_timer = dwxgmac2_set_eee_timer,
1654 .set_eee_pls = dwxgmac2_set_eee_pls,
1655 .pcs_ctrl_ane = NULL,
1656 .pcs_rane = NULL,
1657 .pcs_get_adv_lp = NULL,
1658 .debug = NULL,
1659 .set_filter = dwxgmac2_set_filter,
1660 .safety_feat_config = dwxgmac3_safety_feat_config,
1661 .safety_feat_irq_status = dwxgmac3_safety_feat_irq_status,
1662 .safety_feat_dump = dwxgmac3_safety_feat_dump,
1663 .set_mac_loopback = dwxgmac2_set_mac_loopback,
1664 .rss_configure = dwxgmac2_rss_configure,
1665 .update_vlan_hash = dwxgmac2_update_vlan_hash,
1666 .rxp_config = dwxgmac3_rxp_config,
1667 .get_mac_tx_timestamp = dwxgmac2_get_mac_tx_timestamp,
1668 .flex_pps_config = dwxgmac2_flex_pps_config,
1669 .sarc_configure = dwxgmac2_sarc_configure,
1670 .enable_vlan = dwxgmac2_enable_vlan,
1671 .config_l3_filter = dwxgmac2_config_l3_filter,
1672 .config_l4_filter = dwxgmac2_config_l4_filter,
1673 .set_arp_offload = dwxgmac2_set_arp_offload,
1674 .est_configure = dwxgmac3_est_configure,
1675 .fpe_configure = dwxgmac3_fpe_configure,
1676 };
1677
dwxgmac2_setup(struct stmmac_priv * priv)1678 int dwxgmac2_setup(struct stmmac_priv *priv)
1679 {
1680 struct mac_device_info *mac = priv->hw;
1681
1682 dev_info(priv->device, "\tXGMAC2\n");
1683
1684 priv->dev->priv_flags |= IFF_UNICAST_FLT;
1685 mac->pcsr = priv->ioaddr;
1686 mac->multicast_filter_bins = priv->plat->multicast_filter_bins;
1687 mac->unicast_filter_entries = priv->plat->unicast_filter_entries;
1688 mac->mcast_bits_log2 = 0;
1689
1690 if (mac->multicast_filter_bins)
1691 mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
1692
1693 mac->link.duplex = 0;
1694 mac->link.speed10 = XGMAC_CONFIG_SS_10_MII;
1695 mac->link.speed100 = XGMAC_CONFIG_SS_100_MII;
1696 mac->link.speed1000 = XGMAC_CONFIG_SS_1000_GMII;
1697 mac->link.speed2500 = XGMAC_CONFIG_SS_2500_GMII;
1698 mac->link.xgmii.speed2500 = XGMAC_CONFIG_SS_2500;
1699 mac->link.xgmii.speed5000 = XGMAC_CONFIG_SS_5000;
1700 mac->link.xgmii.speed10000 = XGMAC_CONFIG_SS_10000;
1701 mac->link.speed_mask = XGMAC_CONFIG_SS_MASK;
1702
1703 mac->mii.addr = XGMAC_MDIO_ADDR;
1704 mac->mii.data = XGMAC_MDIO_DATA;
1705 mac->mii.addr_shift = 16;
1706 mac->mii.addr_mask = GENMASK(20, 16);
1707 mac->mii.reg_shift = 0;
1708 mac->mii.reg_mask = GENMASK(15, 0);
1709 mac->mii.clk_csr_shift = 19;
1710 mac->mii.clk_csr_mask = GENMASK(21, 19);
1711
1712 return 0;
1713 }
1714
dwxlgmac2_setup(struct stmmac_priv * priv)1715 int dwxlgmac2_setup(struct stmmac_priv *priv)
1716 {
1717 struct mac_device_info *mac = priv->hw;
1718
1719 dev_info(priv->device, "\tXLGMAC\n");
1720
1721 priv->dev->priv_flags |= IFF_UNICAST_FLT;
1722 mac->pcsr = priv->ioaddr;
1723 mac->multicast_filter_bins = priv->plat->multicast_filter_bins;
1724 mac->unicast_filter_entries = priv->plat->unicast_filter_entries;
1725 mac->mcast_bits_log2 = 0;
1726
1727 if (mac->multicast_filter_bins)
1728 mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
1729
1730 mac->link.duplex = 0;
1731 mac->link.speed1000 = XLGMAC_CONFIG_SS_1000;
1732 mac->link.speed2500 = XLGMAC_CONFIG_SS_2500;
1733 mac->link.xgmii.speed10000 = XLGMAC_CONFIG_SS_10G;
1734 mac->link.xlgmii.speed25000 = XLGMAC_CONFIG_SS_25G;
1735 mac->link.xlgmii.speed40000 = XLGMAC_CONFIG_SS_40G;
1736 mac->link.xlgmii.speed50000 = XLGMAC_CONFIG_SS_50G;
1737 mac->link.xlgmii.speed100000 = XLGMAC_CONFIG_SS_100G;
1738 mac->link.speed_mask = XLGMAC_CONFIG_SS;
1739
1740 mac->mii.addr = XGMAC_MDIO_ADDR;
1741 mac->mii.data = XGMAC_MDIO_DATA;
1742 mac->mii.addr_shift = 16;
1743 mac->mii.addr_mask = GENMASK(20, 16);
1744 mac->mii.reg_shift = 0;
1745 mac->mii.reg_mask = GENMASK(15, 0);
1746 mac->mii.clk_csr_shift = 19;
1747 mac->mii.clk_csr_mask = GENMASK(21, 19);
1748
1749 return 0;
1750 }
1751