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 mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
141 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
145 reg &= ~(MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
146 MV88E6XXX_PORT_MAC_CTL_LINK_UP);
149 case LINK_FORCED_DOWN:
150 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK;
153 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
154 MV88E6XXX_PORT_MAC_CTL_LINK_UP;
157 /* normal link detection */
163 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
167 dev_dbg(chip->dev, "p%d: %s link %s\n", port,
168 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_LINK ? "Force" : "Unforce",
169 reg & MV88E6XXX_PORT_MAC_CTL_LINK_UP ? "up" : "down");
174 int mv88e6xxx_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
176 const struct mv88e6xxx_ops *ops = chip->info->ops;
181 link = LINK_FORCED_UP;
183 link = LINK_FORCED_DOWN;
185 if (ops->port_set_link)
186 err = ops->port_set_link(chip, port, link);
191 int mv88e6185_port_sync_link(struct mv88e6xxx_chip *chip, int port, unsigned int mode, bool isup)
193 const struct mv88e6xxx_ops *ops = chip->info->ops;
197 if (mode == MLO_AN_INBAND)
198 link = LINK_UNFORCED;
200 link = LINK_FORCED_UP;
202 link = LINK_FORCED_DOWN;
204 if (ops->port_set_link)
205 err = ops->port_set_link(chip, port, link);
210 static int mv88e6xxx_port_set_speed_duplex(struct mv88e6xxx_chip *chip,
211 int port, int speed, bool alt_bit,
212 bool force_bit, int duplex)
219 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_10;
222 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100;
226 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100 |
227 MV88E6390_PORT_MAC_CTL_ALTSPEED;
229 ctrl = MV88E6065_PORT_MAC_CTL_SPEED_200;
232 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
236 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
237 MV88E6390_PORT_MAC_CTL_ALTSPEED;
239 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000;
242 /* all bits set, fall through... */
244 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED;
252 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX;
255 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
256 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL;
258 case DUPLEX_UNFORCED:
259 /* normal duplex detection */
265 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
269 reg &= ~(MV88E6XXX_PORT_MAC_CTL_SPEED_MASK |
270 MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
271 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL);
274 reg &= ~MV88E6390_PORT_MAC_CTL_ALTSPEED;
276 reg &= ~MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
277 if (speed != SPEED_UNFORCED)
278 ctrl |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
282 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
286 if (speed != SPEED_UNFORCED)
287 dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed);
289 dev_dbg(chip->dev, "p%d: Speed unforced\n", port);
290 dev_dbg(chip->dev, "p%d: %s %s duplex\n", port,
291 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX ? "Force" : "Unforce",
292 reg & MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL ? "full" : "half");
297 /* Support 10, 100, 200 Mbps (e.g. 88E6065 family) */
298 int mv88e6065_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
299 int speed, int duplex)
301 if (speed == SPEED_MAX)
307 /* Setting 200 Mbps on port 0 to 3 selects 100 Mbps */
308 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
312 /* Support 10, 100, 1000 Mbps (e.g. 88E6185 family) */
313 int mv88e6185_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
314 int speed, int duplex)
316 if (speed == SPEED_MAX)
319 if (speed == 200 || speed > 1000)
322 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
326 /* Support 10, 100 Mbps (e.g. 88E6250 family) */
327 int mv88e6250_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
328 int speed, int duplex)
330 if (speed == SPEED_MAX)
336 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, false, false,
340 /* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6341) */
341 int mv88e6341_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
342 int speed, int duplex)
344 if (speed == SPEED_MAX)
345 speed = port < 5 ? 1000 : 2500;
350 if (speed == 200 && port != 0)
353 if (speed == 2500 && port < 5)
356 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, !port, true,
360 phy_interface_t mv88e6341_port_max_speed_mode(int port)
363 return PHY_INTERFACE_MODE_2500BASEX;
365 return PHY_INTERFACE_MODE_NA;
368 /* Support 10, 100, 200, 1000 Mbps (e.g. 88E6352 family) */
369 int mv88e6352_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
370 int speed, int duplex)
372 if (speed == SPEED_MAX)
378 if (speed == 200 && port < 5)
381 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, false,
385 /* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6390) */
386 int mv88e6390_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
387 int speed, int duplex)
389 if (speed == SPEED_MAX)
390 speed = port < 9 ? 1000 : 2500;
395 if (speed == 200 && port != 0)
398 if (speed == 2500 && port < 9)
401 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, true,
405 phy_interface_t mv88e6390_port_max_speed_mode(int port)
407 if (port == 9 || port == 10)
408 return PHY_INTERFACE_MODE_2500BASEX;
410 return PHY_INTERFACE_MODE_NA;
413 /* Support 10, 100, 200, 1000, 2500, 10000 Mbps (e.g. 88E6190X) */
414 int mv88e6390x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
415 int speed, int duplex)
417 if (speed == SPEED_MAX)
418 speed = port < 9 ? 1000 : 10000;
420 if (speed == 200 && port != 0)
423 if (speed >= 2500 && port < 9)
426 return mv88e6xxx_port_set_speed_duplex(chip, port, speed, true, true,
430 phy_interface_t mv88e6390x_port_max_speed_mode(int port)
432 if (port == 9 || port == 10)
433 return PHY_INTERFACE_MODE_XAUI;
435 return PHY_INTERFACE_MODE_NA;
438 /* Support 10, 100, 200, 1000, 2500, 5000, 10000 Mbps (e.g. 88E6393X)
439 * Function mv88e6xxx_port_set_speed_duplex() can't be used as the register
440 * values for speeds 2500 & 5000 conflict.
442 int mv88e6393x_port_set_speed_duplex(struct mv88e6xxx_chip *chip, int port,
443 int speed, int duplex)
448 if (speed == SPEED_MAX)
449 speed = (port > 0 && port < 9) ? 1000 : 10000;
451 if (speed == 200 && port != 0)
454 if (speed >= 2500 && port > 0 && port < 9)
459 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_10;
462 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100;
465 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100 |
466 MV88E6390_PORT_MAC_CTL_ALTSPEED;
469 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
472 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000 |
473 MV88E6390_PORT_MAC_CTL_ALTSPEED;
476 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
477 MV88E6390_PORT_MAC_CTL_ALTSPEED;
481 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED;
489 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX;
492 ctrl |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
493 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL;
495 case DUPLEX_UNFORCED:
496 /* normal duplex detection */
502 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
506 reg &= ~(MV88E6XXX_PORT_MAC_CTL_SPEED_MASK |
507 MV88E6390_PORT_MAC_CTL_ALTSPEED |
508 MV88E6390_PORT_MAC_CTL_FORCE_SPEED);
510 if (speed != SPEED_UNFORCED)
511 reg |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
515 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
519 if (speed != SPEED_UNFORCED)
520 dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed);
522 dev_dbg(chip->dev, "p%d: Speed unforced\n", port);
523 dev_dbg(chip->dev, "p%d: %s %s duplex\n", port,
524 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX ? "Force" : "Unforce",
525 reg & MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL ? "full" : "half");
530 phy_interface_t mv88e6393x_port_max_speed_mode(int port)
532 if (port == 0 || port == 9 || port == 10)
533 return PHY_INTERFACE_MODE_10GBASER;
535 return PHY_INTERFACE_MODE_NA;
538 static int mv88e6xxx_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
539 phy_interface_t mode, bool force)
546 /* Default to a slow mode, so freeing up SERDES interfaces for
547 * other ports which might use them for SFPs.
549 if (mode == PHY_INTERFACE_MODE_NA)
550 mode = PHY_INTERFACE_MODE_1000BASEX;
553 case PHY_INTERFACE_MODE_RMII:
554 cmode = MV88E6XXX_PORT_STS_CMODE_RMII;
556 case PHY_INTERFACE_MODE_1000BASEX:
557 cmode = MV88E6XXX_PORT_STS_CMODE_1000BASEX;
559 case PHY_INTERFACE_MODE_SGMII:
560 cmode = MV88E6XXX_PORT_STS_CMODE_SGMII;
562 case PHY_INTERFACE_MODE_2500BASEX:
563 cmode = MV88E6XXX_PORT_STS_CMODE_2500BASEX;
565 case PHY_INTERFACE_MODE_5GBASER:
566 cmode = MV88E6393X_PORT_STS_CMODE_5GBASER;
568 case PHY_INTERFACE_MODE_XGMII:
569 case PHY_INTERFACE_MODE_XAUI:
570 cmode = MV88E6XXX_PORT_STS_CMODE_XAUI;
572 case PHY_INTERFACE_MODE_RXAUI:
573 cmode = MV88E6XXX_PORT_STS_CMODE_RXAUI;
575 case PHY_INTERFACE_MODE_10GBASER:
576 cmode = MV88E6393X_PORT_STS_CMODE_10GBASER;
582 /* cmode doesn't change, nothing to do for us unless forced */
583 if (cmode == chip->ports[port].cmode && !force)
586 lane = mv88e6xxx_serdes_get_lane(chip, port);
588 if (chip->ports[port].serdes_irq) {
589 err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
594 err = mv88e6xxx_serdes_power_down(chip, port, lane);
599 chip->ports[port].cmode = 0;
602 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
606 reg &= ~MV88E6XXX_PORT_STS_CMODE_MASK;
609 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
613 chip->ports[port].cmode = cmode;
615 lane = mv88e6xxx_serdes_get_lane(chip, port);
621 err = mv88e6xxx_serdes_power_up(chip, port, lane);
625 if (chip->ports[port].serdes_irq) {
626 err = mv88e6xxx_serdes_irq_enable(chip, port, lane);
635 int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
636 phy_interface_t mode)
638 if (port != 9 && port != 10)
641 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
644 int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
645 phy_interface_t mode)
647 if (port != 9 && port != 10)
651 case PHY_INTERFACE_MODE_NA:
653 case PHY_INTERFACE_MODE_XGMII:
654 case PHY_INTERFACE_MODE_XAUI:
655 case PHY_INTERFACE_MODE_RXAUI:
661 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
664 int mv88e6393x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
665 phy_interface_t mode)
670 if (port != 0 && port != 9 && port != 10)
673 /* mv88e6393x errata 4.5: EEE should be disabled on SERDES ports */
674 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
678 reg &= ~MV88E6XXX_PORT_MAC_CTL_EEE;
679 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_EEE;
680 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
684 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
687 static int mv88e6341_port_set_cmode_writable(struct mv88e6xxx_chip *chip,
696 addr = chip->info->port_base_addr + port;
698 err = mv88e6xxx_port_hidden_read(chip, 0x7, addr, 0, ®);
702 bits = MV88E6341_PORT_RESERVED_1A_FORCE_CMODE |
703 MV88E6341_PORT_RESERVED_1A_SGMII_AN;
705 if ((reg & bits) == bits)
709 return mv88e6xxx_port_hidden_write(chip, 0x7, addr, 0, reg);
712 int mv88e6341_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
713 phy_interface_t mode)
721 case PHY_INTERFACE_MODE_NA:
723 case PHY_INTERFACE_MODE_XGMII:
724 case PHY_INTERFACE_MODE_XAUI:
725 case PHY_INTERFACE_MODE_RXAUI:
731 err = mv88e6341_port_set_cmode_writable(chip, port);
735 return mv88e6xxx_port_set_cmode(chip, port, mode, true);
738 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
743 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
747 *cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
752 int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
757 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
761 *cmode = reg & MV88E6XXX_PORT_STS_CMODE_MASK;
766 /* Offset 0x02: Jamming Control
768 * Do not limit the period of time that this port can be paused for by
769 * the remote end or the period of time that this port can pause the
772 int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
775 return mv88e6xxx_port_write(chip, port, MV88E6097_PORT_JAM_CTL,
779 int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
784 err = mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
785 MV88E6390_PORT_FLOW_CTL_UPDATE |
786 MV88E6390_PORT_FLOW_CTL_LIMIT_IN | in);
790 return mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
791 MV88E6390_PORT_FLOW_CTL_UPDATE |
792 MV88E6390_PORT_FLOW_CTL_LIMIT_OUT | out);
795 /* Offset 0x04: Port Control Register */
797 static const char * const mv88e6xxx_port_state_names[] = {
798 [MV88E6XXX_PORT_CTL0_STATE_DISABLED] = "Disabled",
799 [MV88E6XXX_PORT_CTL0_STATE_BLOCKING] = "Blocking/Listening",
800 [MV88E6XXX_PORT_CTL0_STATE_LEARNING] = "Learning",
801 [MV88E6XXX_PORT_CTL0_STATE_FORWARDING] = "Forwarding",
804 int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
809 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
813 reg &= ~MV88E6XXX_PORT_CTL0_STATE_MASK;
816 case BR_STATE_DISABLED:
817 state = MV88E6XXX_PORT_CTL0_STATE_DISABLED;
819 case BR_STATE_BLOCKING:
820 case BR_STATE_LISTENING:
821 state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
823 case BR_STATE_LEARNING:
824 state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
826 case BR_STATE_FORWARDING:
827 state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
835 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
839 dev_dbg(chip->dev, "p%d: PortState set to %s\n", port,
840 mv88e6xxx_port_state_names[state]);
845 int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
846 enum mv88e6xxx_egress_mode mode)
851 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
855 reg &= ~MV88E6XXX_PORT_CTL0_EGRESS_MODE_MASK;
858 case MV88E6XXX_EGRESS_MODE_UNMODIFIED:
859 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNMODIFIED;
861 case MV88E6XXX_EGRESS_MODE_UNTAGGED:
862 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNTAGGED;
864 case MV88E6XXX_EGRESS_MODE_TAGGED:
865 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_TAGGED;
867 case MV88E6XXX_EGRESS_MODE_ETHERTYPE:
868 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_ETHER_TYPE_DSA;
874 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
877 int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
878 enum mv88e6xxx_frame_mode mode)
883 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
887 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
890 case MV88E6XXX_FRAME_MODE_NORMAL:
891 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
893 case MV88E6XXX_FRAME_MODE_DSA:
894 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
900 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
903 int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
904 enum mv88e6xxx_frame_mode mode)
909 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
913 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
916 case MV88E6XXX_FRAME_MODE_NORMAL:
917 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
919 case MV88E6XXX_FRAME_MODE_DSA:
920 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
922 case MV88E6XXX_FRAME_MODE_PROVIDER:
923 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_PROVIDER;
925 case MV88E6XXX_FRAME_MODE_ETHERTYPE:
926 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_ETHER_TYPE_DSA;
932 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
935 int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
936 int port, bool unicast)
941 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
946 reg |= MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
948 reg &= ~MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
950 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
953 int mv88e6352_port_set_ucast_flood(struct mv88e6xxx_chip *chip, int port,
959 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
964 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
966 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
968 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
971 int mv88e6352_port_set_mcast_flood(struct mv88e6xxx_chip *chip, int port,
977 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
982 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
984 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
986 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
989 /* Offset 0x05: Port Control 1 */
991 int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
997 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
1002 val |= MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
1004 val &= ~MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
1006 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
1009 int mv88e6xxx_port_set_trunk(struct mv88e6xxx_chip *chip, int port,
1015 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
1019 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_ID_MASK;
1022 val |= MV88E6XXX_PORT_CTL1_TRUNK_PORT |
1023 (id << MV88E6XXX_PORT_CTL1_TRUNK_ID_SHIFT);
1025 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_PORT;
1027 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
1030 /* Offset 0x06: Port Based VLAN Map */
1032 int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map)
1034 const u16 mask = mv88e6xxx_port_mask(chip);
1038 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1045 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1049 dev_dbg(chip->dev, "p%d: VLANTable set to %.3x\n", port, map);
1054 int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
1056 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1060 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1061 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1065 *fid = (reg & 0xf000) >> 12;
1067 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1069 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1074 *fid |= (reg & upper_mask) << 4;
1080 int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
1082 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1086 if (fid >= mv88e6xxx_num_databases(chip))
1089 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1090 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1095 reg |= (fid & 0x000f) << 12;
1097 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1101 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1103 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1109 reg |= (fid >> 4) & upper_mask;
1111 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1,
1117 dev_dbg(chip->dev, "p%d: FID set to %u\n", port, fid);
1122 /* Offset 0x07: Default Port VLAN ID & Priority */
1124 int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
1129 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1134 *pvid = reg & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1139 int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
1144 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1149 reg &= ~MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1150 reg |= pvid & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1152 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1157 dev_dbg(chip->dev, "p%d: DefaultVID set to %u\n", port, pvid);
1162 /* Offset 0x08: Port Control 2 Register */
1164 static const char * const mv88e6xxx_port_8021q_mode_names[] = {
1165 [MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED] = "Disabled",
1166 [MV88E6XXX_PORT_CTL2_8021Q_MODE_FALLBACK] = "Fallback",
1167 [MV88E6XXX_PORT_CTL2_8021Q_MODE_CHECK] = "Check",
1168 [MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE] = "Secure",
1171 int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
1172 int port, bool multicast)
1177 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1182 reg |= MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1184 reg &= ~MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1186 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1189 int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1195 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1199 reg &= ~MV88E6095_PORT_CTL2_CPU_PORT_MASK;
1200 reg |= upstream_port;
1202 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1205 int mv88e6xxx_port_set_mirror(struct mv88e6xxx_chip *chip, int port,
1206 enum mv88e6xxx_egress_direction direction,
1214 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1218 switch (direction) {
1219 case MV88E6XXX_EGRESS_DIR_INGRESS:
1220 bit = MV88E6XXX_PORT_CTL2_INGRESS_MONITOR;
1221 mirror_port = &chip->ports[port].mirror_ingress;
1223 case MV88E6XXX_EGRESS_DIR_EGRESS:
1224 bit = MV88E6XXX_PORT_CTL2_EGRESS_MONITOR;
1225 mirror_port = &chip->ports[port].mirror_egress;
1235 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1237 *mirror_port = mirror;
1242 int mv88e6xxx_port_set_lock(struct mv88e6xxx_chip *chip, int port,
1248 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
1252 reg &= ~MV88E6XXX_PORT_CTL0_SA_FILT_MASK;
1254 reg |= MV88E6XXX_PORT_CTL0_SA_FILT_DROP_ON_LOCK;
1256 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
1260 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, ®);
1264 reg &= ~MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT;
1266 reg |= MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT;
1268 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, reg);
1271 int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
1277 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1281 reg &= ~MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1282 reg |= mode & MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1284 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1288 dev_dbg(chip->dev, "p%d: 802.1QMode set to %s\n", port,
1289 mv88e6xxx_port_8021q_mode_names[mode]);
1294 int mv88e6xxx_port_drop_untagged(struct mv88e6xxx_chip *chip, int port,
1300 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, &old);
1305 new = old | MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1307 new = old & ~MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1312 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, new);
1315 int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port, bool map)
1320 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1325 reg |= MV88E6XXX_PORT_CTL2_MAP_DA;
1327 reg &= ~MV88E6XXX_PORT_CTL2_MAP_DA;
1329 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1332 int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port,
1338 size += VLAN_ETH_HLEN + ETH_FCS_LEN;
1340 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1344 reg &= ~MV88E6XXX_PORT_CTL2_JUMBO_MODE_MASK;
1347 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_1522;
1348 else if (size <= 2048)
1349 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_2048;
1350 else if (size <= 10240)
1351 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_10240;
1355 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1358 /* Offset 0x09: Port Rate Control */
1360 int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1362 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1366 int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1368 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1372 /* Offset 0x0B: Port Association Vector */
1374 int mv88e6xxx_port_set_assoc_vector(struct mv88e6xxx_chip *chip, int port,
1380 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1385 mask = mv88e6xxx_port_mask(chip);
1389 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1393 /* Offset 0x0C: Port ATU Control */
1395 int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
1397 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ATU_CTL, 0);
1400 /* Offset 0x0D: (Priority) Override Register */
1402 int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
1404 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_PRI_OVERRIDE, 0);
1407 /* Offset 0x0E: Policy & MGMT Control Register for FAMILY 6191X 6193X 6393X */
1409 static int mv88e6393x_port_policy_read(struct mv88e6xxx_chip *chip, int port,
1410 u16 pointer, u8 *data)
1415 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1420 err = mv88e6xxx_port_read(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1430 static int mv88e6393x_port_policy_write(struct mv88e6xxx_chip *chip, int port,
1431 u16 pointer, u8 data)
1435 reg = MV88E6393X_PORT_POLICY_MGMT_CTL_UPDATE | pointer | data;
1437 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1441 static int mv88e6393x_port_policy_write_all(struct mv88e6xxx_chip *chip,
1442 u16 pointer, u8 data)
1446 for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1447 if (dsa_is_unused_port(chip->ds, port))
1450 err = mv88e6393x_port_policy_write(chip, port, pointer, data);
1458 int mv88e6393x_set_egress_port(struct mv88e6xxx_chip *chip,
1459 enum mv88e6xxx_egress_direction direction,
1465 switch (direction) {
1466 case MV88E6XXX_EGRESS_DIR_INGRESS:
1467 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_INGRESS_DEST;
1468 err = mv88e6393x_port_policy_write_all(chip, ptr, port);
1472 case MV88E6XXX_EGRESS_DIR_EGRESS:
1473 ptr = MV88E6393X_G2_EGRESS_MONITOR_DEST;
1474 err = mv88e6xxx_g2_write(chip, ptr, port);
1483 int mv88e6393x_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1486 u16 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_CPU_DEST;
1487 u8 data = MV88E6393X_PORT_POLICY_MGMT_CTL_CPU_DEST_MGMTPRI |
1490 return mv88e6393x_port_policy_write(chip, port, ptr, data);
1493 int mv88e6393x_port_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip)
1498 /* Consider the frames with reserved multicast destination
1499 * addresses matching 01:80:c2:00:00:00 and
1500 * 01:80:c2:00:00:02 as MGMT.
1502 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XLO;
1503 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1507 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XHI;
1508 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1512 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XLO;
1513 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1517 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XHI;
1518 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1525 /* Offset 0x10 & 0x11: EPC */
1527 static int mv88e6393x_port_epc_wait_ready(struct mv88e6xxx_chip *chip, int port)
1529 int bit = __bf_shf(MV88E6393X_PORT_EPC_CMD_BUSY);
1531 return mv88e6xxx_port_wait_bit(chip, port, MV88E6393X_PORT_EPC_CMD, bit, 0);
1534 /* Port Ether type for 6393X family */
1536 int mv88e6393x_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1542 err = mv88e6393x_port_epc_wait_ready(chip, port);
1546 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_DATA, etype);
1550 val = MV88E6393X_PORT_EPC_CMD_BUSY |
1551 MV88E6393X_PORT_EPC_CMD_WRITE |
1552 MV88E6393X_PORT_EPC_INDEX_PORT_ETYPE;
1554 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_CMD, val);
1557 /* Offset 0x0f: Port Ether type */
1559 int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1562 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ETH_TYPE, etype);
1565 /* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
1566 * Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
1569 int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1573 /* Use a direct priority mapping for all IEEE tagged frames */
1574 err = mv88e6xxx_port_write(chip, port,
1575 MV88E6095_PORT_IEEE_PRIO_REMAP_0123,
1580 return mv88e6xxx_port_write(chip, port,
1581 MV88E6095_PORT_IEEE_PRIO_REMAP_4567,
1585 static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
1586 int port, u16 table, u8 ptr, u16 data)
1590 reg = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE | table |
1591 (ptr << __bf_shf(MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_PTR_MASK)) |
1592 (data & MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_DATA_MASK);
1594 return mv88e6xxx_port_write(chip, port,
1595 MV88E6390_PORT_IEEE_PRIO_MAP_TABLE, reg);
1598 int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1603 for (i = 0; i <= 7; i++) {
1604 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP;
1605 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i,
1610 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP;
1611 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1615 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP;
1616 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1620 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP;
1621 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1629 /* Offset 0x0E: Policy Control Register */
1632 mv88e6xxx_port_policy_mapping_get_pos(enum mv88e6xxx_policy_mapping mapping,
1633 enum mv88e6xxx_policy_action action,
1634 u16 *mask, u16 *val, int *shift)
1637 case MV88E6XXX_POLICY_MAPPING_DA:
1638 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_DA_MASK);
1639 *mask = MV88E6XXX_PORT_POLICY_CTL_DA_MASK;
1641 case MV88E6XXX_POLICY_MAPPING_SA:
1642 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_SA_MASK);
1643 *mask = MV88E6XXX_PORT_POLICY_CTL_SA_MASK;
1645 case MV88E6XXX_POLICY_MAPPING_VTU:
1646 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VTU_MASK);
1647 *mask = MV88E6XXX_PORT_POLICY_CTL_VTU_MASK;
1649 case MV88E6XXX_POLICY_MAPPING_ETYPE:
1650 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK);
1651 *mask = MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK;
1653 case MV88E6XXX_POLICY_MAPPING_PPPOE:
1654 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK);
1655 *mask = MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK;
1657 case MV88E6XXX_POLICY_MAPPING_VBAS:
1658 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK);
1659 *mask = MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK;
1661 case MV88E6XXX_POLICY_MAPPING_OPT82:
1662 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK);
1663 *mask = MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK;
1665 case MV88E6XXX_POLICY_MAPPING_UDP:
1666 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_UDP_MASK);
1667 *mask = MV88E6XXX_PORT_POLICY_CTL_UDP_MASK;
1674 case MV88E6XXX_POLICY_ACTION_NORMAL:
1675 *val = MV88E6XXX_PORT_POLICY_CTL_NORMAL;
1677 case MV88E6XXX_POLICY_ACTION_MIRROR:
1678 *val = MV88E6XXX_PORT_POLICY_CTL_MIRROR;
1680 case MV88E6XXX_POLICY_ACTION_TRAP:
1681 *val = MV88E6XXX_PORT_POLICY_CTL_TRAP;
1683 case MV88E6XXX_POLICY_ACTION_DISCARD:
1684 *val = MV88E6XXX_PORT_POLICY_CTL_DISCARD;
1693 int mv88e6352_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1694 enum mv88e6xxx_policy_mapping mapping,
1695 enum mv88e6xxx_policy_action action)
1701 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1706 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_POLICY_CTL, ®);
1711 reg |= (val << shift) & mask;
1713 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_POLICY_CTL, reg);
1716 int mv88e6393x_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1717 enum mv88e6xxx_policy_mapping mapping,
1718 enum mv88e6xxx_policy_action action)
1726 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1731 /* The 16-bit Port Policy CTL register from older chips is on 6393x
1732 * changed to Port Policy MGMT CTL, which can access more data, but
1733 * indirectly. The original 16-bit value is divided into two 8-bit
1740 err = mv88e6393x_port_policy_read(chip, port, ptr, ®);
1745 reg |= (val << shift) & mask;
1747 return mv88e6393x_port_policy_write(chip, port, ptr, reg);