2 * Marvell 88E6xxx Switch Port Registers support
4 * Copyright (c) 2008 Marvell Semiconductor
6 * Copyright (c) 2016-2017 Savoir-faire Linux Inc.
7 * Vivien Didelot <vivien.didelot@savoirfairelinux.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
15 #include <linux/bitfield.h>
16 #include <linux/if_bridge.h>
17 #include <linux/phy.h>
18 #include <linux/phylink.h>
24 int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
27 int addr = chip->info->port_base_addr + port;
29 return mv88e6xxx_read(chip, addr, reg, val);
32 int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
35 int addr = chip->info->port_base_addr + port;
37 return mv88e6xxx_write(chip, addr, reg, val);
40 /* Offset 0x00: MAC (or PCS or Physical) Status Register
42 * For most devices, this is read only. However the 6185 has the MyPause
45 int mv88e6185_port_set_pause(struct mv88e6xxx_chip *chip, int port,
51 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
56 reg |= MV88E6XXX_PORT_STS_MY_PAUSE;
58 reg &= ~MV88E6XXX_PORT_STS_MY_PAUSE;
60 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
63 /* Offset 0x01: MAC (or PCS or Physical) Control Register
65 * Link, Duplex and Flow Control have one force bit, one value bit.
67 * For port's MAC speed, ForceSpd (or SpdValue) bits 1:0 program the value.
68 * Alternative values require the 200BASE (or AltSpeed) bit 12 set.
69 * Newer chips need a ForcedSpd bit 13 set to consider the value.
72 static int mv88e6xxx_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
78 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
82 reg &= ~(MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK |
83 MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK);
86 case PHY_INTERFACE_MODE_RGMII_RXID:
87 reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK;
89 case PHY_INTERFACE_MODE_RGMII_TXID:
90 reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK;
92 case PHY_INTERFACE_MODE_RGMII_ID:
93 reg |= MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK |
94 MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK;
96 case PHY_INTERFACE_MODE_RGMII:
102 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
106 dev_dbg(chip->dev, "p%d: delay RXCLK %s, TXCLK %s\n", port,
107 reg & MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_RXCLK ? "yes" : "no",
108 reg & MV88E6XXX_PORT_MAC_CTL_RGMII_DELAY_TXCLK ? "yes" : "no");
113 int mv88e6352_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
114 phy_interface_t mode)
119 return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
122 int mv88e6390_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
123 phy_interface_t mode)
128 return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
131 int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
136 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
140 reg &= ~(MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
141 MV88E6XXX_PORT_MAC_CTL_LINK_UP);
144 case LINK_FORCED_DOWN:
145 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK;
148 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_LINK |
149 MV88E6XXX_PORT_MAC_CTL_LINK_UP;
152 /* normal link detection */
158 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
162 dev_dbg(chip->dev, "p%d: %s link %s\n", port,
163 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_LINK ? "Force" : "Unforce",
164 reg & MV88E6XXX_PORT_MAC_CTL_LINK_UP ? "up" : "down");
169 int mv88e6xxx_port_set_duplex(struct mv88e6xxx_chip *chip, int port, int dup)
174 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
178 reg &= ~(MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
179 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL);
183 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX;
186 reg |= MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX |
187 MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL;
189 case DUPLEX_UNFORCED:
190 /* normal duplex detection */
196 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
200 dev_dbg(chip->dev, "p%d: %s %s duplex\n", port,
201 reg & MV88E6XXX_PORT_MAC_CTL_FORCE_DUPLEX ? "Force" : "Unforce",
202 reg & MV88E6XXX_PORT_MAC_CTL_DUPLEX_FULL ? "full" : "half");
207 static int mv88e6xxx_port_set_speed(struct mv88e6xxx_chip *chip, int port,
208 int speed, bool alt_bit, bool force_bit)
215 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_10;
218 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100;
222 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_100 |
223 MV88E6390_PORT_MAC_CTL_ALTSPEED;
225 ctrl = MV88E6065_PORT_MAC_CTL_SPEED_200;
228 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_1000;
232 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000 |
233 MV88E6390_PORT_MAC_CTL_ALTSPEED;
235 ctrl = MV88E6390_PORT_MAC_CTL_SPEED_10000;
238 /* all bits set, fall through... */
240 ctrl = MV88E6XXX_PORT_MAC_CTL_SPEED_UNFORCED;
246 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_MAC_CTL, ®);
250 reg &= ~MV88E6XXX_PORT_MAC_CTL_SPEED_MASK;
252 reg &= ~MV88E6390_PORT_MAC_CTL_ALTSPEED;
254 reg &= ~MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
255 if (speed != SPEED_UNFORCED)
256 ctrl |= MV88E6390_PORT_MAC_CTL_FORCE_SPEED;
260 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_MAC_CTL, reg);
265 dev_dbg(chip->dev, "p%d: Speed set to %d Mbps\n", port, speed);
267 dev_dbg(chip->dev, "p%d: Speed unforced\n", port);
272 /* Support 10, 100, 200 Mbps (e.g. 88E6065 family) */
273 int mv88e6065_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
275 if (speed == SPEED_MAX)
281 /* Setting 200 Mbps on port 0 to 3 selects 100 Mbps */
282 return mv88e6xxx_port_set_speed(chip, port, speed, false, false);
285 /* Support 10, 100, 1000 Mbps (e.g. 88E6185 family) */
286 int mv88e6185_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
288 if (speed == SPEED_MAX)
291 if (speed == 200 || speed > 1000)
294 return mv88e6xxx_port_set_speed(chip, port, speed, false, false);
297 /* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6341) */
298 int mv88e6341_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
300 if (speed == SPEED_MAX)
301 speed = port < 5 ? 1000 : 2500;
306 if (speed == 200 && port != 0)
309 if (speed == 2500 && port < 5)
312 return mv88e6xxx_port_set_speed(chip, port, speed, !port, true);
315 phy_interface_t mv88e6341_port_max_speed_mode(int port)
318 return PHY_INTERFACE_MODE_2500BASEX;
320 return PHY_INTERFACE_MODE_NA;
323 /* Support 10, 100, 200, 1000 Mbps (e.g. 88E6352 family) */
324 int mv88e6352_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
326 if (speed == SPEED_MAX)
332 if (speed == 200 && port < 5)
335 return mv88e6xxx_port_set_speed(chip, port, speed, true, false);
338 /* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6390) */
339 int mv88e6390_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
341 if (speed == SPEED_MAX)
342 speed = port < 9 ? 1000 : 2500;
347 if (speed == 200 && port != 0)
350 if (speed == 2500 && port < 9)
353 return mv88e6xxx_port_set_speed(chip, port, speed, true, true);
356 phy_interface_t mv88e6390_port_max_speed_mode(int port)
358 if (port == 9 || port == 10)
359 return PHY_INTERFACE_MODE_2500BASEX;
361 return PHY_INTERFACE_MODE_NA;
364 /* Support 10, 100, 200, 1000, 2500, 10000 Mbps (e.g. 88E6190X) */
365 int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
367 if (speed == SPEED_MAX)
368 speed = port < 9 ? 1000 : 10000;
370 if (speed == 200 && port != 0)
373 if (speed >= 2500 && port < 9)
376 return mv88e6xxx_port_set_speed(chip, port, speed, true, true);
379 phy_interface_t mv88e6390x_port_max_speed_mode(int port)
381 if (port == 9 || port == 10)
382 return PHY_INTERFACE_MODE_XAUI;
384 return PHY_INTERFACE_MODE_NA;
387 int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
388 phy_interface_t mode)
395 if (port != 9 && port != 10)
398 /* Default to a slow mode, so freeing up SERDES interfaces for
399 * other ports which might use them for SFPs.
401 if (mode == PHY_INTERFACE_MODE_NA)
402 mode = PHY_INTERFACE_MODE_1000BASEX;
405 case PHY_INTERFACE_MODE_1000BASEX:
406 cmode = MV88E6XXX_PORT_STS_CMODE_1000BASE_X;
408 case PHY_INTERFACE_MODE_SGMII:
409 cmode = MV88E6XXX_PORT_STS_CMODE_SGMII;
411 case PHY_INTERFACE_MODE_2500BASEX:
412 cmode = MV88E6XXX_PORT_STS_CMODE_2500BASEX;
414 case PHY_INTERFACE_MODE_XGMII:
415 case PHY_INTERFACE_MODE_XAUI:
416 cmode = MV88E6XXX_PORT_STS_CMODE_XAUI;
418 case PHY_INTERFACE_MODE_RXAUI:
419 cmode = MV88E6XXX_PORT_STS_CMODE_RXAUI;
425 /* cmode doesn't change, nothing to do for us */
426 if (cmode == chip->ports[port].cmode)
429 lane = mv88e6390x_serdes_get_lane(chip, port);
433 if (chip->ports[port].serdes_irq) {
434 err = mv88e6390_serdes_irq_disable(chip, port, lane);
439 err = mv88e6390x_serdes_power(chip, port, false);
444 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
448 reg &= ~MV88E6XXX_PORT_STS_CMODE_MASK;
451 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
455 err = mv88e6390x_serdes_power(chip, port, true);
459 if (chip->ports[port].serdes_irq) {
460 err = mv88e6390_serdes_irq_enable(chip, port, lane);
466 chip->ports[port].cmode = cmode;
471 int mv88e6390_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
472 phy_interface_t mode)
475 case PHY_INTERFACE_MODE_NA:
477 case PHY_INTERFACE_MODE_XGMII:
478 case PHY_INTERFACE_MODE_XAUI:
479 case PHY_INTERFACE_MODE_RXAUI:
485 return mv88e6390x_port_set_cmode(chip, port, mode);
488 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
493 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
497 *cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
502 int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
507 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
511 *cmode = reg & MV88E6XXX_PORT_STS_CMODE_MASK;
516 int mv88e6352_port_link_state(struct mv88e6xxx_chip *chip, int port,
517 struct phylink_link_state *state)
522 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
526 switch (reg & MV88E6XXX_PORT_STS_SPEED_MASK) {
527 case MV88E6XXX_PORT_STS_SPEED_10:
528 state->speed = SPEED_10;
530 case MV88E6XXX_PORT_STS_SPEED_100:
531 state->speed = SPEED_100;
533 case MV88E6XXX_PORT_STS_SPEED_1000:
534 state->speed = SPEED_1000;
536 case MV88E6XXX_PORT_STS_SPEED_10000:
537 if ((reg & MV88E6XXX_PORT_STS_CMODE_MASK) ==
538 MV88E6XXX_PORT_STS_CMODE_2500BASEX)
539 state->speed = SPEED_2500;
541 state->speed = SPEED_10000;
545 state->duplex = reg & MV88E6XXX_PORT_STS_DUPLEX ?
546 DUPLEX_FULL : DUPLEX_HALF;
547 state->link = !!(reg & MV88E6XXX_PORT_STS_LINK);
548 state->an_enabled = 1;
549 state->an_complete = state->link;
554 int mv88e6185_port_link_state(struct mv88e6xxx_chip *chip, int port,
555 struct phylink_link_state *state)
557 if (state->interface == PHY_INTERFACE_MODE_1000BASEX) {
558 u8 cmode = chip->ports[port].cmode;
560 /* When a port is in "Cross-chip serdes" mode, it uses
561 * 1000Base-X full duplex mode, but there is no automatic
562 * link detection. Use the sync OK status for link (as it
563 * would do for 1000Base-X mode.)
565 if (cmode == MV88E6185_PORT_STS_CMODE_SERDES) {
569 err = mv88e6xxx_port_read(chip, port,
570 MV88E6XXX_PORT_MAC_CTL, &mac);
574 state->link = !!(mac & MV88E6185_PORT_MAC_CTL_SYNC_OK);
575 state->an_enabled = 1;
577 !!(mac & MV88E6185_PORT_MAC_CTL_AN_DONE);
579 state->link ? DUPLEX_FULL : DUPLEX_UNKNOWN;
581 state->link ? SPEED_1000 : SPEED_UNKNOWN;
587 return mv88e6352_port_link_state(chip, port, state);
590 /* Offset 0x02: Jamming Control
592 * Do not limit the period of time that this port can be paused for by
593 * the remote end or the period of time that this port can pause the
596 int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
599 return mv88e6xxx_port_write(chip, port, MV88E6097_PORT_JAM_CTL,
603 int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
608 err = mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
609 MV88E6390_PORT_FLOW_CTL_UPDATE |
610 MV88E6390_PORT_FLOW_CTL_LIMIT_IN | in);
614 return mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
615 MV88E6390_PORT_FLOW_CTL_UPDATE |
616 MV88E6390_PORT_FLOW_CTL_LIMIT_OUT | out);
619 /* Offset 0x04: Port Control Register */
621 static const char * const mv88e6xxx_port_state_names[] = {
622 [MV88E6XXX_PORT_CTL0_STATE_DISABLED] = "Disabled",
623 [MV88E6XXX_PORT_CTL0_STATE_BLOCKING] = "Blocking/Listening",
624 [MV88E6XXX_PORT_CTL0_STATE_LEARNING] = "Learning",
625 [MV88E6XXX_PORT_CTL0_STATE_FORWARDING] = "Forwarding",
628 int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
633 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
637 reg &= ~MV88E6XXX_PORT_CTL0_STATE_MASK;
640 case BR_STATE_DISABLED:
641 state = MV88E6XXX_PORT_CTL0_STATE_DISABLED;
643 case BR_STATE_BLOCKING:
644 case BR_STATE_LISTENING:
645 state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
647 case BR_STATE_LEARNING:
648 state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
650 case BR_STATE_FORWARDING:
651 state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
659 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
663 dev_dbg(chip->dev, "p%d: PortState set to %s\n", port,
664 mv88e6xxx_port_state_names[state]);
669 int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
670 enum mv88e6xxx_egress_mode mode)
675 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
679 reg &= ~MV88E6XXX_PORT_CTL0_EGRESS_MODE_MASK;
682 case MV88E6XXX_EGRESS_MODE_UNMODIFIED:
683 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNMODIFIED;
685 case MV88E6XXX_EGRESS_MODE_UNTAGGED:
686 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNTAGGED;
688 case MV88E6XXX_EGRESS_MODE_TAGGED:
689 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_TAGGED;
691 case MV88E6XXX_EGRESS_MODE_ETHERTYPE:
692 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_ETHER_TYPE_DSA;
698 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
701 int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
702 enum mv88e6xxx_frame_mode mode)
707 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
711 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
714 case MV88E6XXX_FRAME_MODE_NORMAL:
715 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
717 case MV88E6XXX_FRAME_MODE_DSA:
718 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
724 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
727 int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
728 enum mv88e6xxx_frame_mode mode)
733 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
737 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
740 case MV88E6XXX_FRAME_MODE_NORMAL:
741 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
743 case MV88E6XXX_FRAME_MODE_DSA:
744 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
746 case MV88E6XXX_FRAME_MODE_PROVIDER:
747 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_PROVIDER;
749 case MV88E6XXX_FRAME_MODE_ETHERTYPE:
750 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_ETHER_TYPE_DSA;
756 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
759 static int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
760 int port, bool unicast)
765 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
770 reg |= MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
772 reg &= ~MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
774 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
777 int mv88e6352_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
778 bool unicast, bool multicast)
783 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
787 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_MASK;
789 if (unicast && multicast)
790 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_ALL_UNKNOWN_DA;
792 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_NO_UNKNOWN_MC_DA;
794 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_NO_UNKNOWN_UC_DA;
796 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_NO_UNKNOWN_DA;
798 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
801 /* Offset 0x05: Port Control 1 */
803 int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
809 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
814 val |= MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
816 val &= ~MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
818 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
821 /* Offset 0x06: Port Based VLAN Map */
823 int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map)
825 const u16 mask = mv88e6xxx_port_mask(chip);
829 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
836 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
840 dev_dbg(chip->dev, "p%d: VLANTable set to %.3x\n", port, map);
845 int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
847 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
851 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
852 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
856 *fid = (reg & 0xf000) >> 12;
858 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
860 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
865 *fid |= (reg & upper_mask) << 4;
871 int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
873 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
877 if (fid >= mv88e6xxx_num_databases(chip))
880 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
881 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
886 reg |= (fid & 0x000f) << 12;
888 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
892 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
894 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
900 reg |= (fid >> 4) & upper_mask;
902 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1,
908 dev_dbg(chip->dev, "p%d: FID set to %u\n", port, fid);
913 /* Offset 0x07: Default Port VLAN ID & Priority */
915 int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
920 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
925 *pvid = reg & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
930 int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
935 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
940 reg &= ~MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
941 reg |= pvid & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
943 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
948 dev_dbg(chip->dev, "p%d: DefaultVID set to %u\n", port, pvid);
953 /* Offset 0x08: Port Control 2 Register */
955 static const char * const mv88e6xxx_port_8021q_mode_names[] = {
956 [MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED] = "Disabled",
957 [MV88E6XXX_PORT_CTL2_8021Q_MODE_FALLBACK] = "Fallback",
958 [MV88E6XXX_PORT_CTL2_8021Q_MODE_CHECK] = "Check",
959 [MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE] = "Secure",
962 static int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
963 int port, bool multicast)
968 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
973 reg |= MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
975 reg &= ~MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
977 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
980 int mv88e6185_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
981 bool unicast, bool multicast)
985 err = mv88e6185_port_set_forward_unknown(chip, port, unicast);
989 return mv88e6185_port_set_default_forward(chip, port, multicast);
992 int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
998 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1002 reg &= ~MV88E6095_PORT_CTL2_CPU_PORT_MASK;
1003 reg |= upstream_port;
1005 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1008 int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
1014 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1018 reg &= ~MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1019 reg |= mode & MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
1021 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1025 dev_dbg(chip->dev, "p%d: 802.1QMode set to %s\n", port,
1026 mv88e6xxx_port_8021q_mode_names[mode]);
1031 int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port)
1036 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1040 reg |= MV88E6XXX_PORT_CTL2_MAP_DA;
1042 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1045 int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port,
1051 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1055 reg &= ~MV88E6XXX_PORT_CTL2_JUMBO_MODE_MASK;
1058 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_1522;
1059 else if (size <= 2048)
1060 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_2048;
1061 else if (size <= 10240)
1062 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_10240;
1066 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1069 /* Offset 0x09: Port Rate Control */
1071 int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1073 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1077 int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1079 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1083 /* Offset 0x0C: Port ATU Control */
1085 int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
1087 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ATU_CTL, 0);
1090 /* Offset 0x0D: (Priority) Override Register */
1092 int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
1094 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_PRI_OVERRIDE, 0);
1097 /* Offset 0x0f: Port Ether type */
1099 int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1102 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ETH_TYPE, etype);
1105 /* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
1106 * Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
1109 int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1113 /* Use a direct priority mapping for all IEEE tagged frames */
1114 err = mv88e6xxx_port_write(chip, port,
1115 MV88E6095_PORT_IEEE_PRIO_REMAP_0123,
1120 return mv88e6xxx_port_write(chip, port,
1121 MV88E6095_PORT_IEEE_PRIO_REMAP_4567,
1125 static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
1126 int port, u16 table, u8 ptr, u16 data)
1130 reg = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE | table |
1131 (ptr << __bf_shf(MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_PTR_MASK)) |
1132 (data & MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_DATA_MASK);
1134 return mv88e6xxx_port_write(chip, port,
1135 MV88E6390_PORT_IEEE_PRIO_MAP_TABLE, reg);
1138 int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1143 for (i = 0; i <= 7; i++) {
1144 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP;
1145 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i,
1150 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP;
1151 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1155 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP;
1156 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1160 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP;
1161 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);