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);
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);
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);
616 err = mv88e6xxx_serdes_power_up(chip, port, lane);
620 if (chip->ports[port].serdes_irq) {
621 err = mv88e6xxx_serdes_irq_enable(chip, port, lane);
630 int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
631 phy_interface_t mode)
633 if (port != 9 && port != 10)
636 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
639 int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
640 phy_interface_t mode)
642 if (port != 9 && port != 10)
646 case PHY_INTERFACE_MODE_NA:
648 case PHY_INTERFACE_MODE_XGMII:
649 case PHY_INTERFACE_MODE_XAUI:
650 case PHY_INTERFACE_MODE_RXAUI:
656 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
659 int mv88e6393x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
660 phy_interface_t mode)
665 if (port != 0 && port != 9 && port != 10)
668 /* mv88e6393x errata 4.5: EEE should be disabled on SERDES ports */
669 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
673 reg &= ~MV88E6XXX_PORT_MAC_CTL_EEE;
674 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_EEE;
675 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
679 return mv88e6xxx_port_set_cmode(chip, port, mode, false);
682 static int mv88e6341_port_set_cmode_writable(struct mv88e6xxx_chip *chip,
691 addr = chip->info->port_base_addr + port;
693 err = mv88e6xxx_port_hidden_read(chip, 0x7, addr, 0, ®);
697 bits = MV88E6341_PORT_RESERVED_1A_FORCE_CMODE |
698 MV88E6341_PORT_RESERVED_1A_SGMII_AN;
700 if ((reg & bits) == bits)
704 return mv88e6xxx_port_hidden_write(chip, 0x7, addr, 0, reg);
707 int mv88e6341_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
708 phy_interface_t mode)
716 case PHY_INTERFACE_MODE_NA:
718 case PHY_INTERFACE_MODE_XGMII:
719 case PHY_INTERFACE_MODE_XAUI:
720 case PHY_INTERFACE_MODE_RXAUI:
726 err = mv88e6341_port_set_cmode_writable(chip, port);
730 return mv88e6xxx_port_set_cmode(chip, port, mode, true);
733 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
738 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
742 *cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
747 int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
752 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
756 *cmode = reg & MV88E6XXX_PORT_STS_CMODE_MASK;
761 /* Offset 0x02: Jamming Control
763 * Do not limit the period of time that this port can be paused for by
764 * the remote end or the period of time that this port can pause the
767 int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
770 return mv88e6xxx_port_write(chip, port, MV88E6097_PORT_JAM_CTL,
774 int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
779 err = mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
780 MV88E6390_PORT_FLOW_CTL_UPDATE |
781 MV88E6390_PORT_FLOW_CTL_LIMIT_IN | in);
785 return mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
786 MV88E6390_PORT_FLOW_CTL_UPDATE |
787 MV88E6390_PORT_FLOW_CTL_LIMIT_OUT | out);
790 /* Offset 0x04: Port Control Register */
792 static const char * const mv88e6xxx_port_state_names[] = {
793 [MV88E6XXX_PORT_CTL0_STATE_DISABLED] = "Disabled",
794 [MV88E6XXX_PORT_CTL0_STATE_BLOCKING] = "Blocking/Listening",
795 [MV88E6XXX_PORT_CTL0_STATE_LEARNING] = "Learning",
796 [MV88E6XXX_PORT_CTL0_STATE_FORWARDING] = "Forwarding",
799 int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
804 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
808 reg &= ~MV88E6XXX_PORT_CTL0_STATE_MASK;
811 case BR_STATE_DISABLED:
812 state = MV88E6XXX_PORT_CTL0_STATE_DISABLED;
814 case BR_STATE_BLOCKING:
815 case BR_STATE_LISTENING:
816 state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
818 case BR_STATE_LEARNING:
819 state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
821 case BR_STATE_FORWARDING:
822 state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
830 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
834 dev_dbg(chip->dev, "p%d: PortState set to %s\n", port,
835 mv88e6xxx_port_state_names[state]);
840 int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
841 enum mv88e6xxx_egress_mode mode)
846 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
850 reg &= ~MV88E6XXX_PORT_CTL0_EGRESS_MODE_MASK;
853 case MV88E6XXX_EGRESS_MODE_UNMODIFIED:
854 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNMODIFIED;
856 case MV88E6XXX_EGRESS_MODE_UNTAGGED:
857 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNTAGGED;
859 case MV88E6XXX_EGRESS_MODE_TAGGED:
860 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_TAGGED;
862 case MV88E6XXX_EGRESS_MODE_ETHERTYPE:
863 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_ETHER_TYPE_DSA;
869 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
872 int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
873 enum mv88e6xxx_frame_mode mode)
878 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
882 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
885 case MV88E6XXX_FRAME_MODE_NORMAL:
886 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
888 case MV88E6XXX_FRAME_MODE_DSA:
889 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
895 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
898 int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
899 enum mv88e6xxx_frame_mode mode)
904 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
908 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
911 case MV88E6XXX_FRAME_MODE_NORMAL:
912 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
914 case MV88E6XXX_FRAME_MODE_DSA:
915 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
917 case MV88E6XXX_FRAME_MODE_PROVIDER:
918 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_PROVIDER;
920 case MV88E6XXX_FRAME_MODE_ETHERTYPE:
921 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_ETHER_TYPE_DSA;
927 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
930 int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
931 int port, bool unicast)
936 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
941 reg |= MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
943 reg &= ~MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
945 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
948 int mv88e6352_port_set_ucast_flood(struct mv88e6xxx_chip *chip, int port,
954 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
959 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
961 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_UC;
963 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
966 int mv88e6352_port_set_mcast_flood(struct mv88e6xxx_chip *chip, int port,
972 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
977 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
979 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_MC;
981 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
984 /* Offset 0x05: Port Control 1 */
986 int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
992 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
997 val |= MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
999 val &= ~MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
1001 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
1004 int mv88e6xxx_port_set_trunk(struct mv88e6xxx_chip *chip, int port,
1010 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
1014 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_ID_MASK;
1017 val |= MV88E6XXX_PORT_CTL1_TRUNK_PORT |
1018 (id << MV88E6XXX_PORT_CTL1_TRUNK_ID_SHIFT);
1020 val &= ~MV88E6XXX_PORT_CTL1_TRUNK_PORT;
1022 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
1025 /* Offset 0x06: Port Based VLAN Map */
1027 int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map)
1029 const u16 mask = mv88e6xxx_port_mask(chip);
1033 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1040 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1044 dev_dbg(chip->dev, "p%d: VLANTable set to %.3x\n", port, map);
1049 int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
1051 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1055 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1056 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1060 *fid = (reg & 0xf000) >> 12;
1062 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1064 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1069 *fid |= (reg & upper_mask) << 4;
1075 int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
1077 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
1081 if (fid >= mv88e6xxx_num_databases(chip))
1084 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
1085 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
1090 reg |= (fid & 0x000f) << 12;
1092 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
1096 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
1098 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
1104 reg |= (fid >> 4) & upper_mask;
1106 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1,
1112 dev_dbg(chip->dev, "p%d: FID set to %u\n", port, fid);
1117 /* Offset 0x07: Default Port VLAN ID & Priority */
1119 int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
1124 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1129 *pvid = reg & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1134 int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
1139 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1144 reg &= ~MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1145 reg |= pvid & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
1147 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
1152 dev_dbg(chip->dev, "p%d: DefaultVID set to %u\n", port, pvid);
1157 /* Offset 0x08: Port Control 2 Register */
1159 static const char * const mv88e6xxx_port_8021q_mode_names[] = {
1160 [MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED] = "Disabled",
1161 [MV88E6XXX_PORT_CTL2_8021Q_MODE_FALLBACK] = "Fallback",
1162 [MV88E6XXX_PORT_CTL2_8021Q_MODE_CHECK] = "Check",
1163 [MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE] = "Secure",
1166 int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
1167 int port, bool multicast)
1172 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1177 reg |= MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1179 reg &= ~MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
1181 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1184 int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1190 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1194 reg &= ~MV88E6095_PORT_CTL2_CPU_PORT_MASK;
1195 reg |= upstream_port;
1197 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1200 int mv88e6xxx_port_set_mirror(struct mv88e6xxx_chip *chip, int port,
1201 enum mv88e6xxx_egress_direction direction,
1209 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1213 switch (direction) {
1214 case MV88E6XXX_EGRESS_DIR_INGRESS:
1215 bit = MV88E6XXX_PORT_CTL2_INGRESS_MONITOR;
1216 mirror_port = &chip->ports[port].mirror_ingress;
1218 case MV88E6XXX_EGRESS_DIR_EGRESS:
1219 bit = MV88E6XXX_PORT_CTL2_EGRESS_MONITOR;
1220 mirror_port = &chip->ports[port].mirror_egress;
1230 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1232 *mirror_port = mirror;
1237 int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
1243 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1247 reg &= ~MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1248 reg |= mode & MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1250 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1254 dev_dbg(chip->dev, "p%d: 802.1QMode set to %s\n", port,
1255 mv88e6xxx_port_8021q_mode_names[mode]);
1260 int mv88e6xxx_port_drop_untagged(struct mv88e6xxx_chip *chip, int port,
1266 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, &old);
1271 new = old | MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1273 new = old & ~MV88E6XXX_PORT_CTL2_DISCARD_UNTAGGED;
1278 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, new);
1281 int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port)
1286 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1290 reg |= MV88E6XXX_PORT_CTL2_MAP_DA;
1292 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1295 int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port,
1301 size += VLAN_ETH_HLEN + ETH_FCS_LEN;
1303 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1307 reg &= ~MV88E6XXX_PORT_CTL2_JUMBO_MODE_MASK;
1310 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_1522;
1311 else if (size <= 2048)
1312 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_2048;
1313 else if (size <= 10240)
1314 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_10240;
1318 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1321 /* Offset 0x09: Port Rate Control */
1323 int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1325 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1329 int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1331 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1335 /* Offset 0x0B: Port Association Vector */
1337 int mv88e6xxx_port_set_assoc_vector(struct mv88e6xxx_chip *chip, int port,
1343 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1348 mask = mv88e6xxx_port_mask(chip);
1352 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ASSOC_VECTOR,
1356 /* Offset 0x0C: Port ATU Control */
1358 int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
1360 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ATU_CTL, 0);
1363 /* Offset 0x0D: (Priority) Override Register */
1365 int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
1367 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_PRI_OVERRIDE, 0);
1370 /* Offset 0x0E: Policy & MGMT Control Register for FAMILY 6191X 6193X 6393X */
1372 static int mv88e6393x_port_policy_read(struct mv88e6xxx_chip *chip, int port,
1373 u16 pointer, u8 *data)
1378 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1383 err = mv88e6xxx_port_read(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1393 static int mv88e6393x_port_policy_write(struct mv88e6xxx_chip *chip, int port,
1394 u16 pointer, u8 data)
1398 reg = MV88E6393X_PORT_POLICY_MGMT_CTL_UPDATE | pointer | data;
1400 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_POLICY_MGMT_CTL,
1404 static int mv88e6393x_port_policy_write_all(struct mv88e6xxx_chip *chip,
1405 u16 pointer, u8 data)
1409 for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
1410 if (dsa_is_unused_port(chip->ds, port))
1413 err = mv88e6393x_port_policy_write(chip, port, pointer, data);
1421 int mv88e6393x_set_egress_port(struct mv88e6xxx_chip *chip,
1422 enum mv88e6xxx_egress_direction direction,
1428 switch (direction) {
1429 case MV88E6XXX_EGRESS_DIR_INGRESS:
1430 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_INGRESS_DEST;
1431 err = mv88e6393x_port_policy_write_all(chip, ptr, port);
1435 case MV88E6XXX_EGRESS_DIR_EGRESS:
1436 ptr = MV88E6393X_G2_EGRESS_MONITOR_DEST;
1437 err = mv88e6xxx_g2_write(chip, ptr, port);
1446 int mv88e6393x_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
1449 u16 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_CPU_DEST;
1450 u8 data = MV88E6393X_PORT_POLICY_MGMT_CTL_CPU_DEST_MGMTPRI |
1453 return mv88e6393x_port_policy_write(chip, port, ptr, data);
1456 int mv88e6393x_port_mgmt_rsvd2cpu(struct mv88e6xxx_chip *chip)
1461 /* Consider the frames with reserved multicast destination
1462 * addresses matching 01:80:c2:00:00:00 and
1463 * 01:80:c2:00:00:02 as MGMT.
1465 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XLO;
1466 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1470 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000000XHI;
1471 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1475 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XLO;
1476 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1480 ptr = MV88E6393X_PORT_POLICY_MGMT_CTL_PTR_01C280000002XHI;
1481 err = mv88e6393x_port_policy_write_all(chip, ptr, 0xff);
1488 /* Offset 0x10 & 0x11: EPC */
1490 static int mv88e6393x_port_epc_wait_ready(struct mv88e6xxx_chip *chip, int port)
1492 int bit = __bf_shf(MV88E6393X_PORT_EPC_CMD_BUSY);
1494 return mv88e6xxx_port_wait_bit(chip, port, MV88E6393X_PORT_EPC_CMD, bit, 0);
1497 /* Port Ether type for 6393X family */
1499 int mv88e6393x_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1505 err = mv88e6393x_port_epc_wait_ready(chip, port);
1509 err = mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_DATA, etype);
1513 val = MV88E6393X_PORT_EPC_CMD_BUSY |
1514 MV88E6393X_PORT_EPC_CMD_WRITE |
1515 MV88E6393X_PORT_EPC_INDEX_PORT_ETYPE;
1517 return mv88e6xxx_port_write(chip, port, MV88E6393X_PORT_EPC_CMD, val);
1520 /* Offset 0x0f: Port Ether type */
1522 int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1525 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ETH_TYPE, etype);
1528 /* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
1529 * Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
1532 int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1536 /* Use a direct priority mapping for all IEEE tagged frames */
1537 err = mv88e6xxx_port_write(chip, port,
1538 MV88E6095_PORT_IEEE_PRIO_REMAP_0123,
1543 return mv88e6xxx_port_write(chip, port,
1544 MV88E6095_PORT_IEEE_PRIO_REMAP_4567,
1548 static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
1549 int port, u16 table, u8 ptr, u16 data)
1553 reg = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE | table |
1554 (ptr << __bf_shf(MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_PTR_MASK)) |
1555 (data & MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_DATA_MASK);
1557 return mv88e6xxx_port_write(chip, port,
1558 MV88E6390_PORT_IEEE_PRIO_MAP_TABLE, reg);
1561 int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1566 for (i = 0; i <= 7; i++) {
1567 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP;
1568 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i,
1573 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP;
1574 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1578 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP;
1579 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1583 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP;
1584 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1592 /* Offset 0x0E: Policy Control Register */
1595 mv88e6xxx_port_policy_mapping_get_pos(enum mv88e6xxx_policy_mapping mapping,
1596 enum mv88e6xxx_policy_action action,
1597 u16 *mask, u16 *val, int *shift)
1600 case MV88E6XXX_POLICY_MAPPING_DA:
1601 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_DA_MASK);
1602 *mask = MV88E6XXX_PORT_POLICY_CTL_DA_MASK;
1604 case MV88E6XXX_POLICY_MAPPING_SA:
1605 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_SA_MASK);
1606 *mask = MV88E6XXX_PORT_POLICY_CTL_SA_MASK;
1608 case MV88E6XXX_POLICY_MAPPING_VTU:
1609 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VTU_MASK);
1610 *mask = MV88E6XXX_PORT_POLICY_CTL_VTU_MASK;
1612 case MV88E6XXX_POLICY_MAPPING_ETYPE:
1613 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK);
1614 *mask = MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK;
1616 case MV88E6XXX_POLICY_MAPPING_PPPOE:
1617 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK);
1618 *mask = MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK;
1620 case MV88E6XXX_POLICY_MAPPING_VBAS:
1621 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK);
1622 *mask = MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK;
1624 case MV88E6XXX_POLICY_MAPPING_OPT82:
1625 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK);
1626 *mask = MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK;
1628 case MV88E6XXX_POLICY_MAPPING_UDP:
1629 *shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_UDP_MASK);
1630 *mask = MV88E6XXX_PORT_POLICY_CTL_UDP_MASK;
1637 case MV88E6XXX_POLICY_ACTION_NORMAL:
1638 *val = MV88E6XXX_PORT_POLICY_CTL_NORMAL;
1640 case MV88E6XXX_POLICY_ACTION_MIRROR:
1641 *val = MV88E6XXX_PORT_POLICY_CTL_MIRROR;
1643 case MV88E6XXX_POLICY_ACTION_TRAP:
1644 *val = MV88E6XXX_PORT_POLICY_CTL_TRAP;
1646 case MV88E6XXX_POLICY_ACTION_DISCARD:
1647 *val = MV88E6XXX_PORT_POLICY_CTL_DISCARD;
1656 int mv88e6352_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1657 enum mv88e6xxx_policy_mapping mapping,
1658 enum mv88e6xxx_policy_action action)
1664 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1669 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_POLICY_CTL, ®);
1674 reg |= (val << shift) & mask;
1676 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_POLICY_CTL, reg);
1679 int mv88e6393x_port_set_policy(struct mv88e6xxx_chip *chip, int port,
1680 enum mv88e6xxx_policy_mapping mapping,
1681 enum mv88e6xxx_policy_action action)
1689 err = mv88e6xxx_port_policy_mapping_get_pos(mapping, action, &mask,
1694 /* The 16-bit Port Policy CTL register from older chips is on 6393x
1695 * changed to Port Policy MGMT CTL, which can access more data, but
1696 * indirectly. The original 16-bit value is divided into two 8-bit
1703 err = mv88e6393x_port_policy_read(chip, port, ptr, ®);
1708 reg |= (val << shift) & mask;
1710 return mv88e6393x_port_policy_write(chip, port, ptr, reg);