1 // SPDX-License-Identifier: GPL-2.0-only
2 /*******************************************************************************
3 This is the driver for the GMAC on-chip Ethernet controller for ST SoCs.
4 DWC Ether MAC 10/100/1000 Universal version 3.41a has been used for
5 developing this code.
6
7 This only implements the mac core functions for this chip.
8
9 Copyright (C) 2007-2009 STMicroelectronics Ltd
10
11
12 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
13 *******************************************************************************/
14
15 #include <linux/crc32.h>
16 #include <linux/slab.h>
17 #include <linux/ethtool.h>
18 #include <net/dsa.h>
19 #include <asm/io.h>
20 #include "stmmac.h"
21 #include "stmmac_pcs.h"
22 #include "dwmac1000.h"
23
dwmac1000_core_init(struct mac_device_info * hw,struct net_device * dev)24 static void dwmac1000_core_init(struct mac_device_info *hw,
25 struct net_device *dev)
26 {
27 struct stmmac_priv *priv = netdev_priv(dev);
28 void __iomem *ioaddr = hw->pcsr;
29 u32 value = readl(ioaddr + GMAC_CONTROL);
30 int mtu = dev->mtu;
31
32 /* Configure GMAC core */
33 value |= GMAC_CORE_INIT;
34
35 /* Clear ACS bit because Ethernet switch tagging formats such as
36 * Broadcom tags can look like invalid LLC/SNAP packets and cause the
37 * hardware to truncate packets on reception.
38 */
39 if (netdev_uses_dsa(dev) || !priv->plat->enh_desc)
40 value &= ~GMAC_CONTROL_ACS;
41
42 if (mtu > 1500)
43 value |= GMAC_CONTROL_2K;
44 if (mtu > 2000)
45 value |= GMAC_CONTROL_JE;
46
47 if (hw->ps) {
48 value |= GMAC_CONTROL_TE;
49
50 value &= ~hw->link.speed_mask;
51 switch (hw->ps) {
52 case SPEED_1000:
53 value |= hw->link.speed1000;
54 break;
55 case SPEED_100:
56 value |= hw->link.speed100;
57 break;
58 case SPEED_10:
59 value |= hw->link.speed10;
60 break;
61 }
62 }
63
64 writel(value, ioaddr + GMAC_CONTROL);
65
66 /* Mask GMAC interrupts */
67 value = GMAC_INT_DEFAULT_MASK;
68
69 if (hw->pcs)
70 value &= ~GMAC_INT_DISABLE_PCS;
71
72 writel(value, ioaddr + GMAC_INT_MASK);
73
74 #ifdef STMMAC_VLAN_TAG_USED
75 /* Tag detection without filtering */
76 writel(0x0, ioaddr + GMAC_VLAN_TAG);
77 #endif
78 }
79
dwmac1000_rx_ipc_enable(struct mac_device_info * hw)80 static int dwmac1000_rx_ipc_enable(struct mac_device_info *hw)
81 {
82 void __iomem *ioaddr = hw->pcsr;
83 u32 value = readl(ioaddr + GMAC_CONTROL);
84
85 if (hw->rx_csum)
86 value |= GMAC_CONTROL_IPC;
87 else
88 value &= ~GMAC_CONTROL_IPC;
89
90 writel(value, ioaddr + GMAC_CONTROL);
91
92 value = readl(ioaddr + GMAC_CONTROL);
93
94 return !!(value & GMAC_CONTROL_IPC);
95 }
96
dwmac1000_dump_regs(struct mac_device_info * hw,u32 * reg_space)97 static void dwmac1000_dump_regs(struct mac_device_info *hw, u32 *reg_space)
98 {
99 void __iomem *ioaddr = hw->pcsr;
100 int i;
101
102 for (i = 0; i < 55; i++)
103 reg_space[i] = readl(ioaddr + i * 4);
104 }
105
dwmac1000_set_umac_addr(struct mac_device_info * hw,unsigned char * addr,unsigned int reg_n)106 static void dwmac1000_set_umac_addr(struct mac_device_info *hw,
107 unsigned char *addr,
108 unsigned int reg_n)
109 {
110 void __iomem *ioaddr = hw->pcsr;
111 stmmac_set_mac_addr(ioaddr, addr, GMAC_ADDR_HIGH(reg_n),
112 GMAC_ADDR_LOW(reg_n));
113 }
114
dwmac1000_get_umac_addr(struct mac_device_info * hw,unsigned char * addr,unsigned int reg_n)115 static void dwmac1000_get_umac_addr(struct mac_device_info *hw,
116 unsigned char *addr,
117 unsigned int reg_n)
118 {
119 void __iomem *ioaddr = hw->pcsr;
120 stmmac_get_mac_addr(ioaddr, addr, GMAC_ADDR_HIGH(reg_n),
121 GMAC_ADDR_LOW(reg_n));
122 }
123
dwmac1000_set_mchash(void __iomem * ioaddr,u32 * mcfilterbits,int mcbitslog2)124 static void dwmac1000_set_mchash(void __iomem *ioaddr, u32 *mcfilterbits,
125 int mcbitslog2)
126 {
127 int numhashregs, regs;
128
129 switch (mcbitslog2) {
130 case 6:
131 writel(mcfilterbits[0], ioaddr + GMAC_HASH_LOW);
132 writel(mcfilterbits[1], ioaddr + GMAC_HASH_HIGH);
133 return;
134 case 7:
135 numhashregs = 4;
136 break;
137 case 8:
138 numhashregs = 8;
139 break;
140 default:
141 pr_debug("STMMAC: err in setting multicast filter\n");
142 return;
143 }
144 for (regs = 0; regs < numhashregs; regs++)
145 writel(mcfilterbits[regs],
146 ioaddr + GMAC_EXTHASH_BASE + regs * 4);
147 }
148
dwmac1000_set_filter(struct mac_device_info * hw,struct net_device * dev)149 static void dwmac1000_set_filter(struct mac_device_info *hw,
150 struct net_device *dev)
151 {
152 void __iomem *ioaddr = (void __iomem *)dev->base_addr;
153 unsigned int value = 0;
154 unsigned int perfect_addr_number = hw->unicast_filter_entries;
155 u32 mc_filter[8];
156 int mcbitslog2 = hw->mcast_bits_log2;
157
158 pr_debug("%s: # mcasts %d, # unicast %d\n", __func__,
159 netdev_mc_count(dev), netdev_uc_count(dev));
160
161 memset(mc_filter, 0, sizeof(mc_filter));
162
163 if (dev->flags & IFF_PROMISC) {
164 value = GMAC_FRAME_FILTER_PR | GMAC_FRAME_FILTER_PCF;
165 } else if (dev->flags & IFF_ALLMULTI) {
166 value = GMAC_FRAME_FILTER_PM; /* pass all multi */
167 } else if (!netdev_mc_empty(dev) && (mcbitslog2 == 0)) {
168 /* Fall back to all multicast if we've no filter */
169 value = GMAC_FRAME_FILTER_PM;
170 } else if (!netdev_mc_empty(dev)) {
171 struct netdev_hw_addr *ha;
172
173 /* Hash filter for multicast */
174 value = GMAC_FRAME_FILTER_HMC;
175
176 netdev_for_each_mc_addr(ha, dev) {
177 /* The upper n bits of the calculated CRC are used to
178 * index the contents of the hash table. The number of
179 * bits used depends on the hardware configuration
180 * selected at core configuration time.
181 */
182 int bit_nr = bitrev32(~crc32_le(~0, ha->addr,
183 ETH_ALEN)) >>
184 (32 - mcbitslog2);
185 /* The most significant bit determines the register to
186 * use (H/L) while the other 5 bits determine the bit
187 * within the register.
188 */
189 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
190 }
191 }
192
193 value |= GMAC_FRAME_FILTER_HPF;
194 dwmac1000_set_mchash(ioaddr, mc_filter, mcbitslog2);
195
196 /* Handle multiple unicast addresses (perfect filtering) */
197 if (netdev_uc_count(dev) > perfect_addr_number)
198 /* Switch to promiscuous mode if more than unicast
199 * addresses are requested than supported by hardware.
200 */
201 value |= GMAC_FRAME_FILTER_PR;
202 else {
203 int reg = 1;
204 struct netdev_hw_addr *ha;
205
206 netdev_for_each_uc_addr(ha, dev) {
207 stmmac_set_mac_addr(ioaddr, ha->addr,
208 GMAC_ADDR_HIGH(reg),
209 GMAC_ADDR_LOW(reg));
210 reg++;
211 }
212
213 while (reg < perfect_addr_number) {
214 writel(0, ioaddr + GMAC_ADDR_HIGH(reg));
215 writel(0, ioaddr + GMAC_ADDR_LOW(reg));
216 reg++;
217 }
218 }
219
220 #ifdef FRAME_FILTER_DEBUG
221 /* Enable Receive all mode (to debug filtering_fail errors) */
222 value |= GMAC_FRAME_FILTER_RA;
223 #endif
224 writel(value, ioaddr + GMAC_FRAME_FILTER);
225 }
226
227
dwmac1000_flow_ctrl(struct mac_device_info * hw,unsigned int duplex,unsigned int fc,unsigned int pause_time,u32 tx_cnt)228 static void dwmac1000_flow_ctrl(struct mac_device_info *hw, unsigned int duplex,
229 unsigned int fc, unsigned int pause_time,
230 u32 tx_cnt)
231 {
232 void __iomem *ioaddr = hw->pcsr;
233 /* Set flow such that DZPQ in Mac Register 6 is 0,
234 * and unicast pause detect is enabled.
235 */
236 unsigned int flow = GMAC_FLOW_CTRL_UP;
237
238 pr_debug("GMAC Flow-Control:\n");
239 if (fc & FLOW_RX) {
240 pr_debug("\tReceive Flow-Control ON\n");
241 flow |= GMAC_FLOW_CTRL_RFE;
242 }
243 if (fc & FLOW_TX) {
244 pr_debug("\tTransmit Flow-Control ON\n");
245 flow |= GMAC_FLOW_CTRL_TFE;
246 }
247
248 if (duplex) {
249 pr_debug("\tduplex mode: PAUSE %d\n", pause_time);
250 flow |= (pause_time << GMAC_FLOW_CTRL_PT_SHIFT);
251 }
252
253 writel(flow, ioaddr + GMAC_FLOW_CTRL);
254 }
255
dwmac1000_pmt(struct mac_device_info * hw,unsigned long mode)256 static void dwmac1000_pmt(struct mac_device_info *hw, unsigned long mode)
257 {
258 void __iomem *ioaddr = hw->pcsr;
259 unsigned int pmt = 0;
260
261 if (mode & WAKE_MAGIC) {
262 pr_debug("GMAC: WOL Magic frame\n");
263 pmt |= power_down | magic_pkt_en;
264 }
265 if (mode & WAKE_UCAST) {
266 pr_debug("GMAC: WOL on global unicast\n");
267 pmt |= power_down | global_unicast | wake_up_frame_en;
268 }
269
270 writel(pmt, ioaddr + GMAC_PMT);
271 }
272
273 /* RGMII or SMII interface */
dwmac1000_rgsmii(void __iomem * ioaddr,struct stmmac_extra_stats * x)274 static void dwmac1000_rgsmii(void __iomem *ioaddr, struct stmmac_extra_stats *x)
275 {
276 u32 status;
277
278 status = readl(ioaddr + GMAC_RGSMIIIS);
279 x->irq_rgmii_n++;
280
281 /* Check the link status */
282 if (status & GMAC_RGSMIIIS_LNKSTS) {
283 int speed_value;
284
285 x->pcs_link = 1;
286
287 speed_value = ((status & GMAC_RGSMIIIS_SPEED) >>
288 GMAC_RGSMIIIS_SPEED_SHIFT);
289 if (speed_value == GMAC_RGSMIIIS_SPEED_125)
290 x->pcs_speed = SPEED_1000;
291 else if (speed_value == GMAC_RGSMIIIS_SPEED_25)
292 x->pcs_speed = SPEED_100;
293 else
294 x->pcs_speed = SPEED_10;
295
296 x->pcs_duplex = (status & GMAC_RGSMIIIS_LNKMOD_MASK);
297
298 pr_info("Link is Up - %d/%s\n", (int)x->pcs_speed,
299 x->pcs_duplex ? "Full" : "Half");
300 } else {
301 x->pcs_link = 0;
302 pr_info("Link is Down\n");
303 }
304 }
305
dwmac1000_irq_status(struct mac_device_info * hw,struct stmmac_extra_stats * x)306 static int dwmac1000_irq_status(struct mac_device_info *hw,
307 struct stmmac_extra_stats *x)
308 {
309 void __iomem *ioaddr = hw->pcsr;
310 u32 intr_status = readl(ioaddr + GMAC_INT_STATUS);
311 u32 intr_mask = readl(ioaddr + GMAC_INT_MASK);
312 int ret = 0;
313
314 /* Discard masked bits */
315 intr_status &= ~intr_mask;
316
317 /* Not used events (e.g. MMC interrupts) are not handled. */
318 if ((intr_status & GMAC_INT_STATUS_MMCTIS))
319 x->mmc_tx_irq_n++;
320 if (unlikely(intr_status & GMAC_INT_STATUS_MMCRIS))
321 x->mmc_rx_irq_n++;
322 if (unlikely(intr_status & GMAC_INT_STATUS_MMCCSUM))
323 x->mmc_rx_csum_offload_irq_n++;
324 if (unlikely(intr_status & GMAC_INT_DISABLE_PMT)) {
325 /* clear the PMT bits 5 and 6 by reading the PMT status reg */
326 readl(ioaddr + GMAC_PMT);
327 x->irq_receive_pmt_irq_n++;
328 }
329
330 /* MAC tx/rx EEE LPI entry/exit interrupts */
331 if (intr_status & GMAC_INT_STATUS_LPIIS) {
332 /* Clean LPI interrupt by reading the Reg 12 */
333 ret = readl(ioaddr + LPI_CTRL_STATUS);
334
335 if (ret & LPI_CTRL_STATUS_TLPIEN)
336 x->irq_tx_path_in_lpi_mode_n++;
337 if (ret & LPI_CTRL_STATUS_TLPIEX)
338 x->irq_tx_path_exit_lpi_mode_n++;
339 if (ret & LPI_CTRL_STATUS_RLPIEN)
340 x->irq_rx_path_in_lpi_mode_n++;
341 if (ret & LPI_CTRL_STATUS_RLPIEX)
342 x->irq_rx_path_exit_lpi_mode_n++;
343 }
344
345 dwmac_pcs_isr(ioaddr, GMAC_PCS_BASE, intr_status, x);
346
347 if (intr_status & PCS_RGSMIIIS_IRQ)
348 dwmac1000_rgsmii(ioaddr, x);
349
350 return ret;
351 }
352
dwmac1000_set_eee_mode(struct mac_device_info * hw,bool en_tx_lpi_clockgating)353 static void dwmac1000_set_eee_mode(struct mac_device_info *hw,
354 bool en_tx_lpi_clockgating)
355 {
356 void __iomem *ioaddr = hw->pcsr;
357 u32 value;
358
359 /*TODO - en_tx_lpi_clockgating treatment */
360
361 /* Enable the link status receive on RGMII, SGMII ore SMII
362 * receive path and instruct the transmit to enter in LPI
363 * state.
364 */
365 value = readl(ioaddr + LPI_CTRL_STATUS);
366 value |= LPI_CTRL_STATUS_LPIEN | LPI_CTRL_STATUS_LPITXA;
367 writel(value, ioaddr + LPI_CTRL_STATUS);
368 }
369
dwmac1000_reset_eee_mode(struct mac_device_info * hw)370 static void dwmac1000_reset_eee_mode(struct mac_device_info *hw)
371 {
372 void __iomem *ioaddr = hw->pcsr;
373 u32 value;
374
375 value = readl(ioaddr + LPI_CTRL_STATUS);
376 value &= ~(LPI_CTRL_STATUS_LPIEN | LPI_CTRL_STATUS_LPITXA);
377 writel(value, ioaddr + LPI_CTRL_STATUS);
378 }
379
dwmac1000_set_eee_pls(struct mac_device_info * hw,int link)380 static void dwmac1000_set_eee_pls(struct mac_device_info *hw, int link)
381 {
382 void __iomem *ioaddr = hw->pcsr;
383 u32 value;
384
385 value = readl(ioaddr + LPI_CTRL_STATUS);
386
387 if (link)
388 value |= LPI_CTRL_STATUS_PLS;
389 else
390 value &= ~LPI_CTRL_STATUS_PLS;
391
392 writel(value, ioaddr + LPI_CTRL_STATUS);
393 }
394
dwmac1000_set_eee_timer(struct mac_device_info * hw,int ls,int tw)395 static void dwmac1000_set_eee_timer(struct mac_device_info *hw, int ls, int tw)
396 {
397 void __iomem *ioaddr = hw->pcsr;
398 int value = ((tw & 0xffff)) | ((ls & 0x7ff) << 16);
399
400 /* Program the timers in the LPI timer control register:
401 * LS: minimum time (ms) for which the link
402 * status from PHY should be ok before transmitting
403 * the LPI pattern.
404 * TW: minimum time (us) for which the core waits
405 * after it has stopped transmitting the LPI pattern.
406 */
407 writel(value, ioaddr + LPI_TIMER_CTRL);
408 }
409
dwmac1000_ctrl_ane(void __iomem * ioaddr,bool ane,bool srgmi_ral,bool loopback)410 static void dwmac1000_ctrl_ane(void __iomem *ioaddr, bool ane, bool srgmi_ral,
411 bool loopback)
412 {
413 dwmac_ctrl_ane(ioaddr, GMAC_PCS_BASE, ane, srgmi_ral, loopback);
414 }
415
dwmac1000_rane(void __iomem * ioaddr,bool restart)416 static void dwmac1000_rane(void __iomem *ioaddr, bool restart)
417 {
418 dwmac_rane(ioaddr, GMAC_PCS_BASE, restart);
419 }
420
dwmac1000_get_adv_lp(void __iomem * ioaddr,struct rgmii_adv * adv)421 static void dwmac1000_get_adv_lp(void __iomem *ioaddr, struct rgmii_adv *adv)
422 {
423 dwmac_get_adv_lp(ioaddr, GMAC_PCS_BASE, adv);
424 }
425
dwmac1000_debug(void __iomem * ioaddr,struct stmmac_extra_stats * x,u32 rx_queues,u32 tx_queues)426 static void dwmac1000_debug(void __iomem *ioaddr, struct stmmac_extra_stats *x,
427 u32 rx_queues, u32 tx_queues)
428 {
429 u32 value = readl(ioaddr + GMAC_DEBUG);
430
431 if (value & GMAC_DEBUG_TXSTSFSTS)
432 x->mtl_tx_status_fifo_full++;
433 if (value & GMAC_DEBUG_TXFSTS)
434 x->mtl_tx_fifo_not_empty++;
435 if (value & GMAC_DEBUG_TWCSTS)
436 x->mmtl_fifo_ctrl++;
437 if (value & GMAC_DEBUG_TRCSTS_MASK) {
438 u32 trcsts = (value & GMAC_DEBUG_TRCSTS_MASK)
439 >> GMAC_DEBUG_TRCSTS_SHIFT;
440 if (trcsts == GMAC_DEBUG_TRCSTS_WRITE)
441 x->mtl_tx_fifo_read_ctrl_write++;
442 else if (trcsts == GMAC_DEBUG_TRCSTS_TXW)
443 x->mtl_tx_fifo_read_ctrl_wait++;
444 else if (trcsts == GMAC_DEBUG_TRCSTS_READ)
445 x->mtl_tx_fifo_read_ctrl_read++;
446 else
447 x->mtl_tx_fifo_read_ctrl_idle++;
448 }
449 if (value & GMAC_DEBUG_TXPAUSED)
450 x->mac_tx_in_pause++;
451 if (value & GMAC_DEBUG_TFCSTS_MASK) {
452 u32 tfcsts = (value & GMAC_DEBUG_TFCSTS_MASK)
453 >> GMAC_DEBUG_TFCSTS_SHIFT;
454
455 if (tfcsts == GMAC_DEBUG_TFCSTS_XFER)
456 x->mac_tx_frame_ctrl_xfer++;
457 else if (tfcsts == GMAC_DEBUG_TFCSTS_GEN_PAUSE)
458 x->mac_tx_frame_ctrl_pause++;
459 else if (tfcsts == GMAC_DEBUG_TFCSTS_WAIT)
460 x->mac_tx_frame_ctrl_wait++;
461 else
462 x->mac_tx_frame_ctrl_idle++;
463 }
464 if (value & GMAC_DEBUG_TPESTS)
465 x->mac_gmii_tx_proto_engine++;
466 if (value & GMAC_DEBUG_RXFSTS_MASK) {
467 u32 rxfsts = (value & GMAC_DEBUG_RXFSTS_MASK)
468 >> GMAC_DEBUG_RRCSTS_SHIFT;
469
470 if (rxfsts == GMAC_DEBUG_RXFSTS_FULL)
471 x->mtl_rx_fifo_fill_level_full++;
472 else if (rxfsts == GMAC_DEBUG_RXFSTS_AT)
473 x->mtl_rx_fifo_fill_above_thresh++;
474 else if (rxfsts == GMAC_DEBUG_RXFSTS_BT)
475 x->mtl_rx_fifo_fill_below_thresh++;
476 else
477 x->mtl_rx_fifo_fill_level_empty++;
478 }
479 if (value & GMAC_DEBUG_RRCSTS_MASK) {
480 u32 rrcsts = (value & GMAC_DEBUG_RRCSTS_MASK) >>
481 GMAC_DEBUG_RRCSTS_SHIFT;
482
483 if (rrcsts == GMAC_DEBUG_RRCSTS_FLUSH)
484 x->mtl_rx_fifo_read_ctrl_flush++;
485 else if (rrcsts == GMAC_DEBUG_RRCSTS_RSTAT)
486 x->mtl_rx_fifo_read_ctrl_read_data++;
487 else if (rrcsts == GMAC_DEBUG_RRCSTS_RDATA)
488 x->mtl_rx_fifo_read_ctrl_status++;
489 else
490 x->mtl_rx_fifo_read_ctrl_idle++;
491 }
492 if (value & GMAC_DEBUG_RWCSTS)
493 x->mtl_rx_fifo_ctrl_active++;
494 if (value & GMAC_DEBUG_RFCFCSTS_MASK)
495 x->mac_rx_frame_ctrl_fifo = (value & GMAC_DEBUG_RFCFCSTS_MASK)
496 >> GMAC_DEBUG_RFCFCSTS_SHIFT;
497 if (value & GMAC_DEBUG_RPESTS)
498 x->mac_gmii_rx_proto_engine++;
499 }
500
dwmac1000_set_mac_loopback(void __iomem * ioaddr,bool enable)501 static void dwmac1000_set_mac_loopback(void __iomem *ioaddr, bool enable)
502 {
503 u32 value = readl(ioaddr + GMAC_CONTROL);
504
505 if (enable)
506 value |= GMAC_CONTROL_LM;
507 else
508 value &= ~GMAC_CONTROL_LM;
509
510 writel(value, ioaddr + GMAC_CONTROL);
511 }
512
513 const struct stmmac_ops dwmac1000_ops = {
514 .core_init = dwmac1000_core_init,
515 .set_mac = stmmac_set_mac,
516 .rx_ipc = dwmac1000_rx_ipc_enable,
517 .dump_regs = dwmac1000_dump_regs,
518 .host_irq_status = dwmac1000_irq_status,
519 .set_filter = dwmac1000_set_filter,
520 .flow_ctrl = dwmac1000_flow_ctrl,
521 .pmt = dwmac1000_pmt,
522 .set_umac_addr = dwmac1000_set_umac_addr,
523 .get_umac_addr = dwmac1000_get_umac_addr,
524 .set_eee_mode = dwmac1000_set_eee_mode,
525 .reset_eee_mode = dwmac1000_reset_eee_mode,
526 .set_eee_timer = dwmac1000_set_eee_timer,
527 .set_eee_pls = dwmac1000_set_eee_pls,
528 .debug = dwmac1000_debug,
529 .pcs_ctrl_ane = dwmac1000_ctrl_ane,
530 .pcs_rane = dwmac1000_rane,
531 .pcs_get_adv_lp = dwmac1000_get_adv_lp,
532 .set_mac_loopback = dwmac1000_set_mac_loopback,
533 };
534
dwmac1000_setup(struct stmmac_priv * priv)535 int dwmac1000_setup(struct stmmac_priv *priv)
536 {
537 struct mac_device_info *mac = priv->hw;
538
539 dev_info(priv->device, "\tDWMAC1000\n");
540
541 priv->dev->priv_flags |= IFF_UNICAST_FLT;
542 mac->pcsr = priv->ioaddr;
543 mac->multicast_filter_bins = priv->plat->multicast_filter_bins;
544 mac->unicast_filter_entries = priv->plat->unicast_filter_entries;
545 mac->mcast_bits_log2 = 0;
546
547 if (mac->multicast_filter_bins)
548 mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
549
550 mac->link.duplex = GMAC_CONTROL_DM;
551 mac->link.speed10 = GMAC_CONTROL_PS;
552 mac->link.speed100 = GMAC_CONTROL_PS | GMAC_CONTROL_FES;
553 mac->link.speed1000 = 0;
554 mac->link.speed_mask = GMAC_CONTROL_PS | GMAC_CONTROL_FES;
555 mac->mii.addr = GMAC_MII_ADDR;
556 mac->mii.data = GMAC_MII_DATA;
557 mac->mii.addr_shift = 11;
558 mac->mii.addr_mask = 0x0000F800;
559 mac->mii.reg_shift = 6;
560 mac->mii.reg_mask = 0x000007C0;
561 mac->mii.clk_csr_shift = 2;
562 mac->mii.clk_csr_mask = GENMASK(5, 2);
563
564 return 0;
565 }
566