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_1000BASEX:
554 cmode = MV88E6XXX_PORT_STS_CMODE_1000BASEX;
556 case PHY_INTERFACE_MODE_SGMII:
557 cmode = MV88E6XXX_PORT_STS_CMODE_SGMII;
559 case PHY_INTERFACE_MODE_2500BASEX:
560 cmode = MV88E6XXX_PORT_STS_CMODE_2500BASEX;
562 case PHY_INTERFACE_MODE_5GBASER:
563 cmode = MV88E6393X_PORT_STS_CMODE_5GBASER;
565 case PHY_INTERFACE_MODE_XGMII:
566 case PHY_INTERFACE_MODE_XAUI:
567 cmode = MV88E6XXX_PORT_STS_CMODE_XAUI;
569 case PHY_INTERFACE_MODE_RXAUI:
570 cmode = MV88E6XXX_PORT_STS_CMODE_RXAUI;
572 case PHY_INTERFACE_MODE_10GBASER:
573 cmode = MV88E6393X_PORT_STS_CMODE_10GBASER;
579 /* cmode doesn't change, nothing to do for us unless forced */
580 if (cmode == chip->ports[port].cmode && !force)
583 lane = mv88e6xxx_serdes_get_lane(chip, port);
585 if (chip->ports[port].serdes_irq) {
586 err = mv88e6xxx_serdes_irq_disable(chip, port, lane);
591 err = mv88e6xxx_serdes_power_down(chip, port, lane);
596 chip->ports[port].cmode = 0;
599 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
603 reg &= ~MV88E6XXX_PORT_STS_CMODE_MASK;
606 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
610 chip->ports[port].cmode = cmode;
612 lane = mv88e6xxx_serdes_get_lane(chip, port);
618 err = mv88e6xxx_serdes_power_up(chip, port, lane);
622 if (chip->ports[port].serdes_irq) {
623 err = mv88e6xxx_serdes_irq_enable(chip, port, lane);
632 int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
633 phy_interface_t mode)
635 if (port != 9 && port != 10)
638 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
641 int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
642 phy_interface_t mode)
644 if (port != 9 && port != 10)
648 case PHY_INTERFACE_MODE_NA:
650 case PHY_INTERFACE_MODE_XGMII:
651 case PHY_INTERFACE_MODE_XAUI:
652 case PHY_INTERFACE_MODE_RXAUI:
658 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
661 int mv88e6393x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
662 phy_interface_t mode)
667 if (port != 0 && port != 9 && port != 10)
670 /* mv88e6393x errata 4.5: EEE should be disabled on SERDES ports */
671 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
675 reg &= ~MV88E6XXX_PORT_MAC_CTL_EEE;
676 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_EEE;
677 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
681 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
684 static int mv88e6341_port_set_cmode_writable(struct mv88e6xxx_chip *chip,
693 addr = chip->info->port_base_addr + port;
695 err = mv88e6xxx_port_hidden_read(chip, 0x7, addr, 0, ®);
699 bits = MV88E6341_PORT_RESERVED_1A_FORCE_CMODE |
700 MV88E6341_PORT_RESERVED_1A_SGMII_AN;
702 if ((reg & bits) == bits)
706 return mv88e6xxx_port_hidden_write(chip, 0x7, addr, 0, reg);
709 int mv88e6341_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
710 phy_interface_t mode)
718 case PHY_INTERFACE_MODE_NA:
720 case PHY_INTERFACE_MODE_XGMII:
721 case PHY_INTERFACE_MODE_XAUI:
722 case PHY_INTERFACE_MODE_RXAUI:
728 err = mv88e6341_port_set_cmode_writable(chip, port);
732 return mv88e6xxx_port_set_cmode(chip, port, mode, true);
735 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
740 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
744 *cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
749 int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
754 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
758 *cmode = reg & MV88E6XXX_PORT_STS_CMODE_MASK;
763 /* Offset 0x02: Jamming Control
765 * Do not limit the period of time that this port can be paused for by
766 * the remote end or the period of time that this port can pause the
769 int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
772 return mv88e6xxx_port_write(chip, port, MV88E6097_PORT_JAM_CTL,
776 int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
781 err = mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
782 MV88E6390_PORT_FLOW_CTL_UPDATE |
783 MV88E6390_PORT_FLOW_CTL_LIMIT_IN | in);
787 return mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
788 MV88E6390_PORT_FLOW_CTL_UPDATE |
789 MV88E6390_PORT_FLOW_CTL_LIMIT_OUT | out);
792 /* Offset 0x04: Port Control Register */
794 static const char * const mv88e6xxx_port_state_names[] = {
795 [MV88E6XXX_PORT_CTL0_STATE_DISABLED] = "Disabled",
796 [MV88E6XXX_PORT_CTL0_STATE_BLOCKING] = "Blocking/Listening",
797 [MV88E6XXX_PORT_CTL0_STATE_LEARNING] = "Learning",
798 [MV88E6XXX_PORT_CTL0_STATE_FORWARDING] = "Forwarding",
801 int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
806 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
810 reg &= ~MV88E6XXX_PORT_CTL0_STATE_MASK;
813 case BR_STATE_DISABLED:
814 state = MV88E6XXX_PORT_CTL0_STATE_DISABLED;
816 case BR_STATE_BLOCKING:
817 case BR_STATE_LISTENING:
818 state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
820 case BR_STATE_LEARNING:
821 state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
823 case BR_STATE_FORWARDING:
824 state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
832 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
836 dev_dbg(chip->dev, "p%d: PortState set to %s\n", port,
837 mv88e6xxx_port_state_names[state]);
842 int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
843 enum mv88e6xxx_egress_mode mode)
848 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
852 reg &= ~MV88E6XXX_PORT_CTL0_EGRESS_MODE_MASK;
855 case MV88E6XXX_EGRESS_MODE_UNMODIFIED:
856 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNMODIFIED;
858 case MV88E6XXX_EGRESS_MODE_UNTAGGED:
859 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNTAGGED;
861 case MV88E6XXX_EGRESS_MODE_TAGGED:
862 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_TAGGED;
864 case MV88E6XXX_EGRESS_MODE_ETHERTYPE:
865 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_ETHER_TYPE_DSA;
871 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
874 int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
875 enum mv88e6xxx_frame_mode mode)
880 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
884 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
887 case MV88E6XXX_FRAME_MODE_NORMAL:
888 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
890 case MV88E6XXX_FRAME_MODE_DSA:
891 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
897 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
900 int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
901 enum mv88e6xxx_frame_mode mode)
906 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
910 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
913 case MV88E6XXX_FRAME_MODE_NORMAL:
914 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
916 case MV88E6XXX_FRAME_MODE_DSA:
917 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
919 case MV88E6XXX_FRAME_MODE_PROVIDER:
920 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_PROVIDER;
922 case MV88E6XXX_FRAME_MODE_ETHERTYPE:
923 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_ETHER_TYPE_DSA;
929 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
932 int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
933 int port, bool unicast)
938 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
943 reg |= MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
945 reg &= ~MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
947 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
950 int mv88e6352_port_set_ucast_flood(struct mv88e6xxx_chip *chip, int port,
956 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
961 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
963 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
965 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
968 int mv88e6352_port_set_mcast_flood(struct mv88e6xxx_chip *chip, int port,
974 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
979 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
981 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
983 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
986 /* Offset 0x05: Port Control 1 */
988 int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
994 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
999 val |= MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
1001 val &= ~MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
1003 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
1006 int mv88e6xxx_port_set_trunk(struct mv88e6xxx_chip *chip, int port,
1012 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
1016 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_ID_MASK;
1019 val |= MV88E6XXX_PORT_CTL1_TRUNK_PORT |
1020 (id << MV88E6XXX_PORT_CTL1_TRUNK_ID_SHIFT);
1022 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_PORT;
1024 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
1027 /* Offset 0x06: Port Based VLAN Map */
1029 int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map)
1031 const u16 mask = mv88e6xxx_port_mask(chip);
1035 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1042 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1046 dev_dbg(chip->dev, "p%d: VLANTable set to %.3x\n", port, map);
1051 int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
1053 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1057 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1058 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1062 *fid = (reg & 0xf000) >> 12;
1064 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1066 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1071 *fid |= (reg & upper_mask) << 4;
1077 int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
1079 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1083 if (fid >= mv88e6xxx_num_databases(chip))
1086 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1087 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1092 reg |= (fid & 0x000f) << 12;
1094 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1098 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1100 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1106 reg |= (fid >> 4) & upper_mask;
1108 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1,
1114 dev_dbg(chip->dev, "p%d: FID set to %u\n", port, fid);
1119 /* Offset 0x07: Default Port VLAN ID & Priority */
1121 int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
1126 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1131 *pvid = reg & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1136 int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
1141 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1146 reg &= ~MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1147 reg |= pvid & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1149 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1154 dev_dbg(chip->dev, "p%d: DefaultVID set to %u\n", port, pvid);
1159 /* Offset 0x08: Port Control 2 Register */
1161 static const char * const mv88e6xxx_port_8021q_mode_names[] = {
1162 [MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED] = "Disabled",
1163 [MV88E6XXX_PORT_CTL2_8021Q_MODE_FALLBACK] = "Fallback",
1164 [MV88E6XXX_PORT_CTL2_8021Q_MODE_CHECK] = "Check",
1165 [MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE] = "Secure",
1168 int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
1169 int port, bool multicast)
1174 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1179 reg |= MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1181 reg &= ~MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1183 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1186 int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1192 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1196 reg &= ~MV88E6095_PORT_CTL2_CPU_PORT_MASK;
1197 reg |= upstream_port;
1199 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1202 int mv88e6xxx_port_set_mirror(struct mv88e6xxx_chip *chip, int port,
1203 enum mv88e6xxx_egress_direction direction,
1211 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1215 switch (direction) {
1216 case MV88E6XXX_EGRESS_DIR_INGRESS:
1217 bit = MV88E6XXX_PORT_CTL2_INGRESS_MONITOR;
1218 mirror_port = &chip->ports[port].mirror_ingress;
1220 case MV88E6XXX_EGRESS_DIR_EGRESS:
1221 bit = MV88E6XXX_PORT_CTL2_EGRESS_MONITOR;
1222 mirror_port = &chip->ports[port].mirror_egress;
1232 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1234 *mirror_port = mirror;
1239 int mv88e6xxx_port_set_lock(struct mv88e6xxx_chip *chip, int port,
1245 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
1249 reg &= ~MV88E6XXX_PORT_CTL0_SA_FILT_MASK;
1251 reg |= MV88E6XXX_PORT_CTL0_SA_FILT_DROP_ON_LOCK;
1253 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
1257 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, ®);
1261 reg &= ~MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT;
1263 reg |= MV88E6XXX_PORT_ASSOC_VECTOR_LOCKED_PORT;
1265 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR, reg);
1268 int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
1274 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1278 reg &= ~MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1279 reg |= mode & MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1281 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1285 dev_dbg(chip->dev, "p%d: 802.1QMode set to %s\n", port,
1286 mv88e6xxx_port_8021q_mode_names[mode]);
1291 int mv88e6xxx_port_drop_untagged(struct mv88e6xxx_chip *chip, int port,
1297 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, &old);
1302 new = old | MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1304 new = old & ~MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1309 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, new);
1312 int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port, bool map)
1317 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1322 reg |= MV88E6XXX_PORT_CTL2_MAP_DA;
1324 reg &= ~MV88E6XXX_PORT_CTL2_MAP_DA;
1326 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1329 int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port,
1335 size += VLAN_ETH_HLEN + ETH_FCS_LEN;
1337 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1341 reg &= ~MV88E6XXX_PORT_CTL2_JUMBO_MODE_MASK;
1344 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_1522;
1345 else if (size <= 2048)
1346 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_2048;
1347 else if (size <= 10240)
1348 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_10240;
1352 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1355 /* Offset 0x09: Port Rate Control */
1357 int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1359 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1363 int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1365 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1369 /* Offset 0x0B: Port Association Vector */
1371 int mv88e6xxx_port_set_assoc_vector(struct mv88e6xxx_chip *chip, int port,
1377 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1382 mask = mv88e6xxx_port_mask(chip);
1386 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1390 /* Offset 0x0C: Port ATU Control */
1392 int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
1394 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ATU_CTL, 0);
1397 /* Offset 0x0D: (Priority) Override Register */
1399 int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
1401 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_PRI_OVERRIDE, 0);
1404 /* Offset 0x0E: Policy & MGMT Control Register for FAMILY 6191X 6193X 6393X */
1406 static int mv88e6393x_port_policy_read(struct mv88e6xxx_chip *chip, int port,
1407 u16 pointer, u8 *data)
1412 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1417 err = mv88e6xxx_port_read(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1427 static int mv88e6393x_port_policy_write(struct mv88e6xxx_chip *chip, int port,
1428 u16 pointer, u8 data)
1432 reg = MV88E6393X_PORT_POLICY_MGMT_CTL_UPDATE | pointer | data;
1434 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1438 static int mv88e6393x_port_policy_write_all(struct mv88e6xxx_chip *chip,
1439 u16 pointer, u8 data)
1443 for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1444 if (dsa_is_unused_port(chip->ds, port))
1447 err = mv88e6393x_port_policy_write(chip, port, pointer, data);
1455 int mv88e6393x_set_egress_port(struct mv88e6xxx_chip *chip,
1456 enum mv88e6xxx_egress_direction direction,
1462 switch (direction) {
1463 case MV88E6XXX_EGRESS_DIR_INGRESS:
1464 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_INGRESS_DEST;
1465 err = mv88e6393x_port_policy_write_all(chip, ptr, port);
1469 case MV88E6XXX_EGRESS_DIR_EGRESS:
1470 ptr = MV88E6393X_G2_EGRESS_MONITOR_DEST;
1471 err = mv88e6xxx_g2_write(chip, ptr, port);
1480 int mv88e6393x_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1483 u16 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_CPU_DEST;
1484 u8 data = MV88E6393X_PORT_POLICY_MGMT_CTL_CPU_DEST_MGMTPRI |
1487 return mv88e6393x_port_policy_write(chip, port, ptr, data);
1490 int mv88e6393x_port_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip)
1495 /* Consider the frames with reserved multicast destination
1496 * addresses matching 01:80:c2:00:00:00 and
1497 * 01:80:c2:00:00:02 as MGMT.
1499 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XLO;
1500 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1504 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XHI;
1505 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1509 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XLO;
1510 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1514 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XHI;
1515 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1522 /* Offset 0x10 & 0x11: EPC */
1524 static int mv88e6393x_port_epc_wait_ready(struct mv88e6xxx_chip *chip, int port)
1526 int bit = __bf_shf(MV88E6393X_PORT_EPC_CMD_BUSY);
1528 return mv88e6xxx_port_wait_bit(chip, port, MV88E6393X_PORT_EPC_CMD, bit, 0);
1531 /* Port Ether type for 6393X family */
1533 int mv88e6393x_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1539 err = mv88e6393x_port_epc_wait_ready(chip, port);
1543 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_DATA, etype);
1547 val = MV88E6393X_PORT_EPC_CMD_BUSY |
1548 MV88E6393X_PORT_EPC_CMD_WRITE |
1549 MV88E6393X_PORT_EPC_INDEX_PORT_ETYPE;
1551 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_CMD, val);
1554 /* Offset 0x0f: Port Ether type */
1556 int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1559 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ETH_TYPE, etype);
1562 /* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
1563 * Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
1566 int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1570 /* Use a direct priority mapping for all IEEE tagged frames */
1571 err = mv88e6xxx_port_write(chip, port,
1572 MV88E6095_PORT_IEEE_PRIO_REMAP_0123,
1577 return mv88e6xxx_port_write(chip, port,
1578 MV88E6095_PORT_IEEE_PRIO_REMAP_4567,
1582 static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
1583 int port, u16 table, u8 ptr, u16 data)
1587 reg = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE | table |
1588 (ptr << __bf_shf(MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_PTR_MASK)) |
1589 (data & MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_DATA_MASK);
1591 return mv88e6xxx_port_write(chip, port,
1592 MV88E6390_PORT_IEEE_PRIO_MAP_TABLE, reg);
1595 int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1600 for (i = 0; i <= 7; i++) {
1601 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP;
1602 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i,
1607 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP;
1608 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1612 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP;
1613 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1617 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP;
1618 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1626 /* Offset 0x0E: Policy Control Register */
1629 mv88e6xxx_port_policy_mapping_get_pos(enum mv88e6xxx_policy_mapping mapping,
1630 enum mv88e6xxx_policy_action action,
1631 u16 *mask, u16 *val, int *shift)
1634 case MV88E6XXX_POLICY_MAPPING_DA:
1635 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_DA_MASK);
1636 *mask = MV88E6XXX_PORT_POLICY_CTL_DA_MASK;
1638 case MV88E6XXX_POLICY_MAPPING_SA:
1639 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_SA_MASK);
1640 *mask = MV88E6XXX_PORT_POLICY_CTL_SA_MASK;
1642 case MV88E6XXX_POLICY_MAPPING_VTU:
1643 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VTU_MASK);
1644 *mask = MV88E6XXX_PORT_POLICY_CTL_VTU_MASK;
1646 case MV88E6XXX_POLICY_MAPPING_ETYPE:
1647 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK);
1648 *mask = MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK;
1650 case MV88E6XXX_POLICY_MAPPING_PPPOE:
1651 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK);
1652 *mask = MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK;
1654 case MV88E6XXX_POLICY_MAPPING_VBAS:
1655 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK);
1656 *mask = MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK;
1658 case MV88E6XXX_POLICY_MAPPING_OPT82:
1659 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK);
1660 *mask = MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK;
1662 case MV88E6XXX_POLICY_MAPPING_UDP:
1663 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_UDP_MASK);
1664 *mask = MV88E6XXX_PORT_POLICY_CTL_UDP_MASK;
1671 case MV88E6XXX_POLICY_ACTION_NORMAL:
1672 *val = MV88E6XXX_PORT_POLICY_CTL_NORMAL;
1674 case MV88E6XXX_POLICY_ACTION_MIRROR:
1675 *val = MV88E6XXX_PORT_POLICY_CTL_MIRROR;
1677 case MV88E6XXX_POLICY_ACTION_TRAP:
1678 *val = MV88E6XXX_PORT_POLICY_CTL_TRAP;
1680 case MV88E6XXX_POLICY_ACTION_DISCARD:
1681 *val = MV88E6XXX_PORT_POLICY_CTL_DISCARD;
1690 int mv88e6352_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1691 enum mv88e6xxx_policy_mapping mapping,
1692 enum mv88e6xxx_policy_action action)
1698 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1703 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_POLICY_CTL, ®);
1708 reg |= (val << shift) & mask;
1710 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_POLICY_CTL, reg);
1713 int mv88e6393x_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1714 enum mv88e6xxx_policy_mapping mapping,
1715 enum mv88e6xxx_policy_action action)
1723 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1728 /* The 16-bit Port Policy CTL register from older chips is on 6393x
1729 * changed to Port Policy MGMT CTL, which can access more data, but
1730 * indirectly. The original 16-bit value is divided into two 8-bit
1737 err = mv88e6393x_port_policy_read(chip, port, ptr, ®);
1742 reg |= (val << shift) & mask;
1744 return mv88e6393x_port_policy_write(chip, port, ptr, reg);