1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Marvell 88E6xxx Switch Port Registers support
5 * Copyright (c) 2008 Marvell Semiconductor
7 * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
8 * Vivien Didelot <vivien.didelot@savoirfairelinux.com>
11 #include <linux/bitfield.h>
12 #include <linux/if_bridge.h>
13 #include <linux/phy.h>
14 #include <linux/phylink.h>
21 int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
24 int addr = chip->info->port_base_addr + port;
26 return mv88e6xxx_read(chip, addr, reg, val);
29 int mv88e6xxx_port_wait_bit(struct mv88e6xxx_chip *chip, int port, int reg,
32 int addr = chip->info->port_base_addr + port;
34 return mv88e6xxx_wait_bit(chip, addr, reg, bit, val);
37 int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
40 int addr = chip->info->port_base_addr + port;
42 return mv88e6xxx_write(chip, addr, reg, val);
45 /* Offset 0x00: MAC (or PCS or Physical) Status Register
47 * For most devices, this is read only. However the 6185 has the MyPause
50 int mv88e6185_port_set_pause(struct mv88e6xxx_chip *chip, int port,
56 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
61 reg |= MV88E6XXX_PORT_STS_MY_PAUSE;
63 reg &= ~MV88E6XXX_PORT_STS_MY_PAUSE;
65 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
68 /* Offset 0x01: MAC (or PCS or Physical) Control Register
70 * Link, Duplex and Flow Control have one force bit, one value bit.
72 * For port's MAC speed, ForceSpd (or SpdValue) bits 1:0 program the value.
73 * Alternative values require the 200BASE (or AltSpeed) bit 12 set.
74 * Newer chips need a ForcedSpd bit 13 set to consider the value.
77 static int mv88e6xxx_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
83 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
87 reg &= ~(MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK |
88 MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK);
91 case PHY_INTERFACE_MODE_RGMII_RXID:
92 reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK;
94 case PHY_INTERFACE_MODE_RGMII_TXID:
95 reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK;
97 case PHY_INTERFACE_MODE_RGMII_ID:
98 reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK |
99 MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK;
101 case PHY_INTERFACE_MODE_RGMII:
107 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
111 dev_dbg(chip->dev, "p%d: delay RXCLK %s, TXCLK %s\n", port,
112 reg & MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK ? "yes" : "no",
113 reg & MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK ? "yes" : "no");
118 int mv88e6352_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
119 phy_interface_t mode)
124 return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
127 int mv88e6390_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
128 phy_interface_t mode)
133 return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
136 int mv88e6320_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
137 phy_interface_t mode)
139 if (port != 2 && port != 5 && port != 6)
142 return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
145 int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
150 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
154 reg &= ~(MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
155 MV88E6XXX_PORT_MAC_CTL_LINK_UP);
158 case LINK_FORCED_DOWN:
159 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK;
162 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
163 MV88E6XXX_PORT_MAC_CTL_LINK_UP;
166 /* normal link detection */
172 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
176 dev_dbg(chip->dev, "p%d: %s link %s\n", port,
177 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_LINK ? "Force" : "Unforce",
178 reg & MV88E6XXX_PORT_MAC_CTL_LINK_UP ? "up" : "down");
183 int mv88e6xxx_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
185 const struct mv88e6xxx_ops *ops = chip->info->ops;
190 link = LINK_FORCED_UP;
192 link = LINK_FORCED_DOWN;
194 if (ops->port_set_link)
195 err = ops->port_set_link(chip, port, link);
200 int mv88e6185_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
202 const struct mv88e6xxx_ops *ops = chip->info->ops;
206 if (mode == MLO_AN_INBAND)
207 link = LINK_UNFORCED;
209 link = LINK_FORCED_UP;
211 link = LINK_FORCED_DOWN;
213 if (ops->port_set_link)
214 err = ops->port_set_link(chip, port, link);
219 static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip,
220 int port, int speed, bool alt_bit,
221 bool force_bit, int duplex)
228 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_10;
231 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100;
235 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100 |
236 MV88E6390_PORT_MAC_CTL_ALTSPEED;
238 ctrl = MV88E6065_PORT_MAC_CTL_SPEED_200;
241 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
245 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
246 MV88E6390_PORT_MAC_CTL_ALTSPEED;
248 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000;
251 /* all bits set, fall through... */
253 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED;
261 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX;
264 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
265 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL;
267 case DUPLEX_UNFORCED:
268 /* normal duplex detection */
274 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
278 reg &= ~(MV88E6XXX_PORT_MAC_CTL_SPEED_MASK |
279 MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
280 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL);
283 reg &= ~MV88E6390_PORT_MAC_CTL_ALTSPEED;
285 reg &= ~MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
286 if (speed != SPEED_UNFORCED)
287 ctrl |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
291 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
295 if (speed != SPEED_UNFORCED)
296 dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed);
298 dev_dbg(chip->dev, "p%d: Speed unforced\n", port);
299 dev_dbg(chip->dev, "p%d: %s %s duplex\n", port,
300 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX ? "Force" : "Unforce",
301 reg & MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL ? "full" : "half");
306 /* Support 10, 100, 1000 Mbps (e.g. 88E6185 family) */
307 int mv88e6185_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
308 int speed, int duplex)
310 if (speed == 200 || speed > 1000)
313 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
317 /* Support 10, 100 Mbps (e.g. 88E6250 family) */
318 int mv88e6250_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
319 int speed, int duplex)
324 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
328 /* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6341) */
329 int mv88e6341_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
330 int speed, int duplex)
335 if (speed == 200 && port != 0)
338 if (speed == 2500 && port < 5)
341 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, !port, true,
345 phy_interface_t mv88e6341_port_max_speed_mode(struct mv88e6xxx_chip *chip,
349 return PHY_INTERFACE_MODE_2500BASEX;
351 return PHY_INTERFACE_MODE_NA;
354 /* Support 10, 100, 200, 1000 Mbps (e.g. 88E6352 family) */
355 int mv88e6352_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
356 int speed, int duplex)
361 if (speed == 200 && port < 5)
364 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, false,
368 /* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6390) */
369 int mv88e6390_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
370 int speed, int duplex)
375 if (speed == 200 && port != 0)
378 if (speed == 2500 && port < 9)
381 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, true,
385 phy_interface_t mv88e6390_port_max_speed_mode(struct mv88e6xxx_chip *chip,
388 if (port == 9 || port == 10)
389 return PHY_INTERFACE_MODE_2500BASEX;
391 return PHY_INTERFACE_MODE_NA;
394 /* Support 10, 100, 200, 1000, 2500, 10000 Mbps (e.g. 88E6190X) */
395 int mv88e6390x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
396 int speed, int duplex)
398 if (speed == 200 && port != 0)
401 if (speed >= 2500 && port < 9)
404 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, true,
408 phy_interface_t mv88e6390x_port_max_speed_mode(struct mv88e6xxx_chip *chip,
411 if (port == 9 || port == 10)
412 return PHY_INTERFACE_MODE_XAUI;
414 return PHY_INTERFACE_MODE_NA;
417 /* Support 10, 100, 200, 1000, 2500, 5000, 10000 Mbps (e.g. 88E6393X)
418 * Function mv88e6xxx_port_set_speed_duplex() can't be used as the register
419 * values for speeds 2500 & 5000 conflict.
421 int mv88e6393x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
422 int speed, int duplex)
427 if (chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6361 &&
431 if (speed == 200 && port != 0)
434 if (speed >= 2500 && port > 0 && port < 9)
439 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_10;
442 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100;
445 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100 |
446 MV88E6390_PORT_MAC_CTL_ALTSPEED;
449 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
452 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000 |
453 MV88E6390_PORT_MAC_CTL_ALTSPEED;
456 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
457 MV88E6390_PORT_MAC_CTL_ALTSPEED;
461 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED;
469 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX;
472 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
473 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL;
475 case DUPLEX_UNFORCED:
476 /* normal duplex detection */
482 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
486 reg &= ~(MV88E6XXX_PORT_MAC_CTL_SPEED_MASK |
487 MV88E6390_PORT_MAC_CTL_ALTSPEED |
488 MV88E6390_PORT_MAC_CTL_FORCE_SPEED);
490 if (speed != SPEED_UNFORCED)
491 reg |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
495 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
499 if (speed != SPEED_UNFORCED)
500 dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed);
502 dev_dbg(chip->dev, "p%d: Speed unforced\n", port);
503 dev_dbg(chip->dev, "p%d: %s %s duplex\n", port,
504 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX ? "Force" : "Unforce",
505 reg & MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL ? "full" : "half");
510 phy_interface_t mv88e6393x_port_max_speed_mode(struct mv88e6xxx_chip *chip,
514 if (port != 0 && port != 9 && port != 10)
515 return PHY_INTERFACE_MODE_NA;
517 if (chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6361)
518 return PHY_INTERFACE_MODE_2500BASEX;
520 return PHY_INTERFACE_MODE_10GBASER;
523 static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
524 phy_interface_t mode, bool force)
530 /* Default to a slow mode, so freeing up SERDES interfaces for
531 * other ports which might use them for SFPs.
533 if (mode == PHY_INTERFACE_MODE_NA)
534 mode = PHY_INTERFACE_MODE_1000BASEX;
537 case PHY_INTERFACE_MODE_RMII:
538 cmode = MV88E6XXX_PORT_STS_CMODE_RMII;
540 case PHY_INTERFACE_MODE_RGMII:
541 case PHY_INTERFACE_MODE_RGMII_ID:
542 case PHY_INTERFACE_MODE_RGMII_RXID:
543 case PHY_INTERFACE_MODE_RGMII_TXID:
544 cmode = MV88E6XXX_PORT_STS_CMODE_RGMII;
546 case PHY_INTERFACE_MODE_1000BASEX:
547 cmode = MV88E6XXX_PORT_STS_CMODE_1000BASEX;
549 case PHY_INTERFACE_MODE_SGMII:
550 cmode = MV88E6XXX_PORT_STS_CMODE_SGMII;
552 case PHY_INTERFACE_MODE_2500BASEX:
553 cmode = MV88E6XXX_PORT_STS_CMODE_2500BASEX;
555 case PHY_INTERFACE_MODE_5GBASER:
556 cmode = MV88E6393X_PORT_STS_CMODE_5GBASER;
558 case PHY_INTERFACE_MODE_XGMII:
559 case PHY_INTERFACE_MODE_XAUI:
560 cmode = MV88E6XXX_PORT_STS_CMODE_XAUI;
562 case PHY_INTERFACE_MODE_RXAUI:
563 cmode = MV88E6XXX_PORT_STS_CMODE_RXAUI;
565 case PHY_INTERFACE_MODE_10GBASER:
566 cmode = MV88E6393X_PORT_STS_CMODE_10GBASER;
568 case PHY_INTERFACE_MODE_USXGMII:
569 cmode = MV88E6393X_PORT_STS_CMODE_USXGMII;
575 /* cmode doesn't change, nothing to do for us unless forced */
576 if (cmode == chip->ports[port].cmode && !force)
579 chip->ports[port].cmode = 0;
582 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
586 reg &= ~MV88E6XXX_PORT_STS_CMODE_MASK;
589 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
593 chip->ports[port].cmode = cmode;
599 int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
600 phy_interface_t mode)
602 if (port != 9 && port != 10)
605 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
608 int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
609 phy_interface_t mode)
611 if (port != 9 && port != 10)
615 case PHY_INTERFACE_MODE_NA:
617 case PHY_INTERFACE_MODE_XGMII:
618 case PHY_INTERFACE_MODE_XAUI:
619 case PHY_INTERFACE_MODE_RXAUI:
625 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
628 int mv88e6393x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
629 phy_interface_t mode)
634 if (port != 0 && port != 9 && port != 10)
637 if (port == 9 || port == 10) {
639 case PHY_INTERFACE_MODE_RMII:
640 case PHY_INTERFACE_MODE_RGMII:
641 case PHY_INTERFACE_MODE_RGMII_ID:
642 case PHY_INTERFACE_MODE_RGMII_RXID:
643 case PHY_INTERFACE_MODE_RGMII_TXID:
650 /* mv88e6393x errata 4.5: EEE should be disabled on SERDES ports */
651 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
655 reg &= ~MV88E6XXX_PORT_MAC_CTL_EEE;
656 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_EEE;
657 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
661 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
664 static int mv88e6341_port_set_cmode_writable(struct mv88e6xxx_chip *chip,
673 addr = chip->info->port_base_addr + port;
675 err = mv88e6xxx_port_hidden_read(chip, 0x7, addr, 0, ®);
679 bits = MV88E6341_PORT_RESERVED_1A_FORCE_CMODE |
680 MV88E6341_PORT_RESERVED_1A_SGMII_AN;
682 if ((reg & bits) == bits)
686 return mv88e6xxx_port_hidden_write(chip, 0x7, addr, 0, reg);
689 int mv88e6341_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
690 phy_interface_t mode)
698 case PHY_INTERFACE_MODE_NA:
700 case PHY_INTERFACE_MODE_XGMII:
701 case PHY_INTERFACE_MODE_XAUI:
702 case PHY_INTERFACE_MODE_RXAUI:
708 err = mv88e6341_port_set_cmode_writable(chip, port);
712 return mv88e6xxx_port_set_cmode(chip, port, mode, true);
715 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
720 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
724 *cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
729 int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
734 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
738 *cmode = reg & MV88E6XXX_PORT_STS_CMODE_MASK;
743 /* Offset 0x02: Jamming Control
745 * Do not limit the period of time that this port can be paused for by
746 * the remote end or the period of time that this port can pause the
749 int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
752 return mv88e6xxx_port_write(chip, port, MV88E6097_PORT_JAM_CTL,
756 int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
761 err = mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
762 MV88E6390_PORT_FLOW_CTL_UPDATE |
763 MV88E6390_PORT_FLOW_CTL_LIMIT_IN | in);
767 return mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
768 MV88E6390_PORT_FLOW_CTL_UPDATE |
769 MV88E6390_PORT_FLOW_CTL_LIMIT_OUT | out);
772 /* Offset 0x04: Port Control Register */
774 static const char * const mv88e6xxx_port_state_names[] = {
775 [MV88E6XXX_PORT_CTL0_STATE_DISABLED] = "Disabled",
776 [MV88E6XXX_PORT_CTL0_STATE_BLOCKING] = "Blocking/Listening",
777 [MV88E6XXX_PORT_CTL0_STATE_LEARNING] = "Learning",
778 [MV88E6XXX_PORT_CTL0_STATE_FORWARDING] = "Forwarding",
781 int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
786 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
790 reg &= ~MV88E6XXX_PORT_CTL0_STATE_MASK;
793 case BR_STATE_DISABLED:
794 state = MV88E6XXX_PORT_CTL0_STATE_DISABLED;
796 case BR_STATE_BLOCKING:
797 case BR_STATE_LISTENING:
798 state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
800 case BR_STATE_LEARNING:
801 state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
803 case BR_STATE_FORWARDING:
804 state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
812 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
816 dev_dbg(chip->dev, "p%d: PortState set to %s\n", port,
817 mv88e6xxx_port_state_names[state]);
822 int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
823 enum mv88e6xxx_egress_mode mode)
828 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
832 reg &= ~MV88E6XXX_PORT_CTL0_EGRESS_MODE_MASK;
835 case MV88E6XXX_EGRESS_MODE_UNMODIFIED:
836 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNMODIFIED;
838 case MV88E6XXX_EGRESS_MODE_UNTAGGED:
839 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNTAGGED;
841 case MV88E6XXX_EGRESS_MODE_TAGGED:
842 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_TAGGED;
844 case MV88E6XXX_EGRESS_MODE_ETHERTYPE:
845 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_ETHER_TYPE_DSA;
851 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
854 int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
855 enum mv88e6xxx_frame_mode mode)
860 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
864 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
867 case MV88E6XXX_FRAME_MODE_NORMAL:
868 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
870 case MV88E6XXX_FRAME_MODE_DSA:
871 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
877 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
880 int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
881 enum mv88e6xxx_frame_mode mode)
886 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
890 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
893 case MV88E6XXX_FRAME_MODE_NORMAL:
894 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
896 case MV88E6XXX_FRAME_MODE_DSA:
897 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
899 case MV88E6XXX_FRAME_MODE_PROVIDER:
900 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_PROVIDER;
902 case MV88E6XXX_FRAME_MODE_ETHERTYPE:
903 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_ETHER_TYPE_DSA;
909 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
912 int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
913 int port, bool unicast)
918 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
923 reg |= MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
925 reg &= ~MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
927 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
930 int mv88e6352_port_set_ucast_flood(struct mv88e6xxx_chip *chip, int port,
936 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
941 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
943 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
945 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
948 int mv88e6352_port_set_mcast_flood(struct mv88e6xxx_chip *chip, int port,
954 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
959 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
961 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
963 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
966 /* Offset 0x05: Port Control 1 */
968 int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
974 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
979 val |= MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
981 val &= ~MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
983 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
986 int mv88e6xxx_port_set_trunk(struct mv88e6xxx_chip *chip, int port,
992 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
996 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_ID_MASK;
999 val |= MV88E6XXX_PORT_CTL1_TRUNK_PORT |
1000 (id << MV88E6XXX_PORT_CTL1_TRUNK_ID_SHIFT);
1002 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_PORT;
1004 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
1007 /* Offset 0x06: Port Based VLAN Map */
1009 int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map)
1011 const u16 mask = mv88e6xxx_port_mask(chip);
1015 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1022 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1026 dev_dbg(chip->dev, "p%d: VLANTable set to %.3x\n", port, map);
1031 int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
1033 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1037 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1038 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1042 *fid = (reg & 0xf000) >> 12;
1044 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1046 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1051 *fid |= (reg & upper_mask) << 4;
1057 int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
1059 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1063 if (fid >= mv88e6xxx_num_databases(chip))
1066 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1067 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1072 reg |= (fid & 0x000f) << 12;
1074 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1078 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1080 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1086 reg |= (fid >> 4) & upper_mask;
1088 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1,
1094 dev_dbg(chip->dev, "p%d: FID set to %u\n", port, fid);
1099 /* Offset 0x07: Default Port VLAN ID & Priority */
1101 int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
1106 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1111 *pvid = reg & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1116 int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
1121 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1126 reg &= ~MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1127 reg |= pvid & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1129 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1134 dev_dbg(chip->dev, "p%d: DefaultVID set to %u\n", port, pvid);
1139 /* Offset 0x08: Port Control 2 Register */
1141 static const char * const mv88e6xxx_port_8021q_mode_names[] = {
1142 [MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED] = "Disabled",
1143 [MV88E6XXX_PORT_CTL2_8021Q_MODE_FALLBACK] = "Fallback",
1144 [MV88E6XXX_PORT_CTL2_8021Q_MODE_CHECK] = "Check",
1145 [MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE] = "Secure",
1148 int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
1149 int port, bool multicast)
1154 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1159 reg |= MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1161 reg &= ~MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1163 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1166 int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1172 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1176 reg &= ~MV88E6095_PORT_CTL2_CPU_PORT_MASK;
1177 reg |= upstream_port;
1179 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1182 int mv88e6xxx_port_set_mirror(struct mv88e6xxx_chip *chip, int port,
1183 enum mv88e6xxx_egress_direction direction,
1191 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1195 switch (direction) {
1196 case MV88E6XXX_EGRESS_DIR_INGRESS:
1197 bit = MV88E6XXX_PORT_CTL2_INGRESS_MONITOR;
1198 mirror_port = &chip->ports[port].mirror_ingress;
1200 case MV88E6XXX_EGRESS_DIR_EGRESS:
1201 bit = MV88E6XXX_PORT_CTL2_EGRESS_MONITOR;
1202 mirror_port = &chip->ports[port].mirror_egress;
1212 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1214 *mirror_port = mirror;
1219 int mv88e6xxx_port_set_lock(struct mv88e6xxx_chip *chip, int port,
1225 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
1229 reg &= ~MV88E6XXX_PORT_CTL0_SA_FILT_MASK;
1231 reg |= MV88E6XXX_PORT_CTL0_SA_FILT_DROP_ON_LOCK;
1233 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
1237 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, ®);
1241 reg &= ~MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT;
1243 reg |= MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT;
1245 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, reg);
1248 int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
1254 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1258 reg &= ~MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1259 reg |= mode & MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1261 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1265 dev_dbg(chip->dev, "p%d: 802.1QMode set to %s\n", port,
1266 mv88e6xxx_port_8021q_mode_names[mode]);
1271 int mv88e6xxx_port_drop_untagged(struct mv88e6xxx_chip *chip, int port,
1277 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, &old);
1282 new = old | MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1284 new = old & ~MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1289 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, new);
1292 int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port, bool map)
1297 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1302 reg |= MV88E6XXX_PORT_CTL2_MAP_DA;
1304 reg &= ~MV88E6XXX_PORT_CTL2_MAP_DA;
1306 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1309 int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port,
1315 size += VLAN_ETH_HLEN + ETH_FCS_LEN;
1317 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1321 reg &= ~MV88E6XXX_PORT_CTL2_JUMBO_MODE_MASK;
1324 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_1522;
1325 else if (size <= 2048)
1326 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_2048;
1327 else if (size <= 10240)
1328 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_10240;
1332 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1335 /* Offset 0x09: Port Rate Control */
1337 int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1339 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1343 int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1345 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1349 /* Offset 0x0B: Port Association Vector */
1351 int mv88e6xxx_port_set_assoc_vector(struct mv88e6xxx_chip *chip, int port,
1357 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1362 mask = mv88e6xxx_port_mask(chip);
1366 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1370 /* Offset 0x0C: Port ATU Control */
1372 int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
1374 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ATU_CTL, 0);
1377 /* Offset 0x0D: (Priority) Override Register */
1379 int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
1381 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_PRI_OVERRIDE, 0);
1384 /* Offset 0x0E: Policy & MGMT Control Register for FAMILY 6191X 6193X 6393X */
1386 static int mv88e6393x_port_policy_read(struct mv88e6xxx_chip *chip, int port,
1387 u16 pointer, u8 *data)
1392 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1397 err = mv88e6xxx_port_read(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1407 static int mv88e6393x_port_policy_write(struct mv88e6xxx_chip *chip, int port,
1408 u16 pointer, u8 data)
1412 reg = MV88E6393X_PORT_POLICY_MGMT_CTL_UPDATE | pointer | data;
1414 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1418 static int mv88e6393x_port_policy_write_all(struct mv88e6xxx_chip *chip,
1419 u16 pointer, u8 data)
1423 for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1424 if (dsa_is_unused_port(chip->ds, port))
1427 err = mv88e6393x_port_policy_write(chip, port, pointer, data);
1435 int mv88e6393x_set_egress_port(struct mv88e6xxx_chip *chip,
1436 enum mv88e6xxx_egress_direction direction,
1442 switch (direction) {
1443 case MV88E6XXX_EGRESS_DIR_INGRESS:
1444 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_INGRESS_DEST;
1445 err = mv88e6393x_port_policy_write_all(chip, ptr, port);
1449 case MV88E6XXX_EGRESS_DIR_EGRESS:
1450 ptr = MV88E6393X_G2_EGRESS_MONITOR_DEST;
1451 err = mv88e6xxx_g2_write(chip, ptr, port);
1460 int mv88e6393x_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1463 u16 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_CPU_DEST;
1464 u8 data = MV88E6393X_PORT_POLICY_MGMT_CTL_CPU_DEST_MGMTPRI |
1467 return mv88e6393x_port_policy_write(chip, port, ptr, data);
1470 int mv88e6393x_port_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip)
1475 /* Consider the frames with reserved multicast destination
1476 * addresses matching 01:80:c2:00:00:00 and
1477 * 01:80:c2:00:00:02 as MGMT.
1479 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XLO;
1480 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1484 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XHI;
1485 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1489 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XLO;
1490 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1494 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XHI;
1495 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1502 /* Offset 0x10 & 0x11: EPC */
1504 static int mv88e6393x_port_epc_wait_ready(struct mv88e6xxx_chip *chip, int port)
1506 int bit = __bf_shf(MV88E6393X_PORT_EPC_CMD_BUSY);
1508 return mv88e6xxx_port_wait_bit(chip, port, MV88E6393X_PORT_EPC_CMD, bit, 0);
1511 /* Port Ether type for 6393X family */
1513 int mv88e6393x_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1519 err = mv88e6393x_port_epc_wait_ready(chip, port);
1523 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_DATA, etype);
1527 val = MV88E6393X_PORT_EPC_CMD_BUSY |
1528 MV88E6393X_PORT_EPC_CMD_WRITE |
1529 MV88E6393X_PORT_EPC_INDEX_PORT_ETYPE;
1531 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_CMD, val);
1534 /* Offset 0x0f: Port Ether type */
1536 int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1539 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ETH_TYPE, etype);
1542 /* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
1543 * Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
1546 int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1550 /* Use a direct priority mapping for all IEEE tagged frames */
1551 err = mv88e6xxx_port_write(chip, port,
1552 MV88E6095_PORT_IEEE_PRIO_REMAP_0123,
1557 return mv88e6xxx_port_write(chip, port,
1558 MV88E6095_PORT_IEEE_PRIO_REMAP_4567,
1562 static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
1563 int port, u16 table, u8 ptr, u16 data)
1567 reg = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE | table |
1568 (ptr << __bf_shf(MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_PTR_MASK)) |
1569 (data & MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_DATA_MASK);
1571 return mv88e6xxx_port_write(chip, port,
1572 MV88E6390_PORT_IEEE_PRIO_MAP_TABLE, reg);
1575 int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1580 for (i = 0; i <= 7; i++) {
1581 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP;
1582 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i,
1587 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP;
1588 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1592 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP;
1593 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1597 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP;
1598 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1606 /* Offset 0x0E: Policy Control Register */
1609 mv88e6xxx_port_policy_mapping_get_pos(enum mv88e6xxx_policy_mapping mapping,
1610 enum mv88e6xxx_policy_action action,
1611 u16 *mask, u16 *val, int *shift)
1614 case MV88E6XXX_POLICY_MAPPING_DA:
1615 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_DA_MASK);
1616 *mask = MV88E6XXX_PORT_POLICY_CTL_DA_MASK;
1618 case MV88E6XXX_POLICY_MAPPING_SA:
1619 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_SA_MASK);
1620 *mask = MV88E6XXX_PORT_POLICY_CTL_SA_MASK;
1622 case MV88E6XXX_POLICY_MAPPING_VTU:
1623 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VTU_MASK);
1624 *mask = MV88E6XXX_PORT_POLICY_CTL_VTU_MASK;
1626 case MV88E6XXX_POLICY_MAPPING_ETYPE:
1627 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK);
1628 *mask = MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK;
1630 case MV88E6XXX_POLICY_MAPPING_PPPOE:
1631 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK);
1632 *mask = MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK;
1634 case MV88E6XXX_POLICY_MAPPING_VBAS:
1635 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK);
1636 *mask = MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK;
1638 case MV88E6XXX_POLICY_MAPPING_OPT82:
1639 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK);
1640 *mask = MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK;
1642 case MV88E6XXX_POLICY_MAPPING_UDP:
1643 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_UDP_MASK);
1644 *mask = MV88E6XXX_PORT_POLICY_CTL_UDP_MASK;
1651 case MV88E6XXX_POLICY_ACTION_NORMAL:
1652 *val = MV88E6XXX_PORT_POLICY_CTL_NORMAL;
1654 case MV88E6XXX_POLICY_ACTION_MIRROR:
1655 *val = MV88E6XXX_PORT_POLICY_CTL_MIRROR;
1657 case MV88E6XXX_POLICY_ACTION_TRAP:
1658 *val = MV88E6XXX_PORT_POLICY_CTL_TRAP;
1660 case MV88E6XXX_POLICY_ACTION_DISCARD:
1661 *val = MV88E6XXX_PORT_POLICY_CTL_DISCARD;
1670 int mv88e6352_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1671 enum mv88e6xxx_policy_mapping mapping,
1672 enum mv88e6xxx_policy_action action)
1678 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1683 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_POLICY_CTL, ®);
1688 reg |= (val << shift) & mask;
1690 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_POLICY_CTL, reg);
1693 int mv88e6393x_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1694 enum mv88e6xxx_policy_mapping mapping,
1695 enum mv88e6xxx_policy_action action)
1703 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1708 /* The 16-bit Port Policy CTL register from older chips is on 6393x
1709 * changed to Port Policy MGMT CTL, which can access more data, but
1710 * indirectly. The original 16-bit value is divided into two 8-bit
1717 err = mv88e6393x_port_policy_read(chip, port, ptr, ®);
1722 reg |= (val << shift) & mask;
1724 return mv88e6393x_port_policy_write(chip, port, ptr, reg);