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 /* Support 10, 100, 200, 1000 Mbps (e.g. 88E6352 family) */
316 int mv88e6352_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
318 if (speed == SPEED_MAX)
324 if (speed == 200 && port < 5)
327 return mv88e6xxx_port_set_speed(chip, port, speed, true, false);
330 /* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6390) */
331 int mv88e6390_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
333 if (speed == SPEED_MAX)
334 speed = port < 9 ? 1000 : 2500;
339 if (speed == 200 && port != 0)
342 if (speed == 2500 && port < 9)
345 return mv88e6xxx_port_set_speed(chip, port, speed, true, true);
348 /* Support 10, 100, 200, 1000, 2500, 10000 Mbps (e.g. 88E6190X) */
349 int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
351 if (speed == SPEED_MAX)
352 speed = port < 9 ? 1000 : 10000;
354 if (speed == 200 && port != 0)
357 if (speed >= 2500 && port < 9)
360 return mv88e6xxx_port_set_speed(chip, port, speed, true, true);
363 int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
364 phy_interface_t mode)
371 if (mode == PHY_INTERFACE_MODE_NA)
374 if (port != 9 && port != 10)
378 case PHY_INTERFACE_MODE_1000BASEX:
379 cmode = MV88E6XXX_PORT_STS_CMODE_1000BASE_X;
381 case PHY_INTERFACE_MODE_SGMII:
382 cmode = MV88E6XXX_PORT_STS_CMODE_SGMII;
384 case PHY_INTERFACE_MODE_2500BASEX:
385 cmode = MV88E6XXX_PORT_STS_CMODE_2500BASEX;
387 case PHY_INTERFACE_MODE_XGMII:
388 case PHY_INTERFACE_MODE_XAUI:
389 cmode = MV88E6XXX_PORT_STS_CMODE_XAUI;
391 case PHY_INTERFACE_MODE_RXAUI:
392 cmode = MV88E6XXX_PORT_STS_CMODE_RXAUI;
398 /* cmode doesn't change, nothing to do for us */
399 if (cmode == chip->ports[port].cmode)
402 lane = mv88e6390x_serdes_get_lane(chip, port);
403 if (lane < 0 && lane != -ENODEV)
407 if (chip->ports[port].serdes_irq) {
408 err = mv88e6390_serdes_irq_disable(chip, port, lane);
413 err = mv88e6390x_serdes_power(chip, port, false);
418 chip->ports[port].cmode = 0;
421 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
425 reg &= ~MV88E6XXX_PORT_STS_CMODE_MASK;
428 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_STS, reg);
432 chip->ports[port].cmode = cmode;
434 lane = mv88e6390x_serdes_get_lane(chip, port);
438 err = mv88e6390x_serdes_power(chip, port, true);
442 if (chip->ports[port].serdes_irq) {
443 err = mv88e6390_serdes_irq_enable(chip, port, lane);
452 int mv88e6185_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
457 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
461 *cmode = reg & MV88E6185_PORT_STS_CMODE_MASK;
466 int mv88e6352_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
471 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
475 *cmode = reg & MV88E6XXX_PORT_STS_CMODE_MASK;
480 int mv88e6352_port_link_state(struct mv88e6xxx_chip *chip, int port,
481 struct phylink_link_state *state)
486 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, ®);
490 switch (reg & MV88E6XXX_PORT_STS_SPEED_MASK) {
491 case MV88E6XXX_PORT_STS_SPEED_10:
492 state->speed = SPEED_10;
494 case MV88E6XXX_PORT_STS_SPEED_100:
495 state->speed = SPEED_100;
497 case MV88E6XXX_PORT_STS_SPEED_1000:
498 state->speed = SPEED_1000;
500 case MV88E6XXX_PORT_STS_SPEED_10000:
501 if ((reg & MV88E6XXX_PORT_STS_CMODE_MASK) ==
502 MV88E6XXX_PORT_STS_CMODE_2500BASEX)
503 state->speed = SPEED_2500;
505 state->speed = SPEED_10000;
509 state->duplex = reg & MV88E6XXX_PORT_STS_DUPLEX ?
510 DUPLEX_FULL : DUPLEX_HALF;
511 state->link = !!(reg & MV88E6XXX_PORT_STS_LINK);
512 state->an_enabled = 1;
513 state->an_complete = state->link;
518 int mv88e6185_port_link_state(struct mv88e6xxx_chip *chip, int port,
519 struct phylink_link_state *state)
521 if (state->interface == PHY_INTERFACE_MODE_1000BASEX) {
522 u8 cmode = chip->ports[port].cmode;
524 /* When a port is in "Cross-chip serdes" mode, it uses
525 * 1000Base-X full duplex mode, but there is no automatic
526 * link detection. Use the sync OK status for link (as it
527 * would do for 1000Base-X mode.)
529 if (cmode == MV88E6185_PORT_STS_CMODE_SERDES) {
533 err = mv88e6xxx_port_read(chip, port,
534 MV88E6XXX_PORT_MAC_CTL, &mac);
538 state->link = !!(mac & MV88E6185_PORT_MAC_CTL_SYNC_OK);
539 state->an_enabled = 1;
541 !!(mac & MV88E6185_PORT_MAC_CTL_AN_DONE);
543 state->link ? DUPLEX_FULL : DUPLEX_UNKNOWN;
545 state->link ? SPEED_1000 : SPEED_UNKNOWN;
551 return mv88e6352_port_link_state(chip, port, state);
554 /* Offset 0x02: Jamming Control
556 * Do not limit the period of time that this port can be paused for by
557 * the remote end or the period of time that this port can pause the
560 int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
563 return mv88e6xxx_port_write(chip, port, MV88E6097_PORT_JAM_CTL,
567 int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in,
572 err = mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
573 MV88E6390_PORT_FLOW_CTL_UPDATE |
574 MV88E6390_PORT_FLOW_CTL_LIMIT_IN | in);
578 return mv88e6xxx_port_write(chip, port, MV88E6390_PORT_FLOW_CTL,
579 MV88E6390_PORT_FLOW_CTL_UPDATE |
580 MV88E6390_PORT_FLOW_CTL_LIMIT_OUT | out);
583 /* Offset 0x04: Port Control Register */
585 static const char * const mv88e6xxx_port_state_names[] = {
586 [MV88E6XXX_PORT_CTL0_STATE_DISABLED] = "Disabled",
587 [MV88E6XXX_PORT_CTL0_STATE_BLOCKING] = "Blocking/Listening",
588 [MV88E6XXX_PORT_CTL0_STATE_LEARNING] = "Learning",
589 [MV88E6XXX_PORT_CTL0_STATE_FORWARDING] = "Forwarding",
592 int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
597 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
601 reg &= ~MV88E6XXX_PORT_CTL0_STATE_MASK;
604 case BR_STATE_DISABLED:
605 state = MV88E6XXX_PORT_CTL0_STATE_DISABLED;
607 case BR_STATE_BLOCKING:
608 case BR_STATE_LISTENING:
609 state = MV88E6XXX_PORT_CTL0_STATE_BLOCKING;
611 case BR_STATE_LEARNING:
612 state = MV88E6XXX_PORT_CTL0_STATE_LEARNING;
614 case BR_STATE_FORWARDING:
615 state = MV88E6XXX_PORT_CTL0_STATE_FORWARDING;
623 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
627 dev_dbg(chip->dev, "p%d: PortState set to %s\n", port,
628 mv88e6xxx_port_state_names[state]);
633 int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
634 enum mv88e6xxx_egress_mode mode)
639 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
643 reg &= ~MV88E6XXX_PORT_CTL0_EGRESS_MODE_MASK;
646 case MV88E6XXX_EGRESS_MODE_UNMODIFIED:
647 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNMODIFIED;
649 case MV88E6XXX_EGRESS_MODE_UNTAGGED:
650 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_UNTAGGED;
652 case MV88E6XXX_EGRESS_MODE_TAGGED:
653 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_TAGGED;
655 case MV88E6XXX_EGRESS_MODE_ETHERTYPE:
656 reg |= MV88E6XXX_PORT_CTL0_EGRESS_MODE_ETHER_TYPE_DSA;
662 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
665 int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
666 enum mv88e6xxx_frame_mode mode)
671 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
675 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
678 case MV88E6XXX_FRAME_MODE_NORMAL:
679 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
681 case MV88E6XXX_FRAME_MODE_DSA:
682 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
688 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
691 int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
692 enum mv88e6xxx_frame_mode mode)
697 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
701 reg &= ~MV88E6XXX_PORT_CTL0_FRAME_MODE_MASK;
704 case MV88E6XXX_FRAME_MODE_NORMAL:
705 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_NORMAL;
707 case MV88E6XXX_FRAME_MODE_DSA:
708 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_DSA;
710 case MV88E6XXX_FRAME_MODE_PROVIDER:
711 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_PROVIDER;
713 case MV88E6XXX_FRAME_MODE_ETHERTYPE:
714 reg |= MV88E6XXX_PORT_CTL0_FRAME_MODE_ETHER_TYPE_DSA;
720 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
723 static int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
724 int port, bool unicast)
729 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
734 reg |= MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
736 reg &= ~MV88E6185_PORT_CTL0_FORWARD_UNKNOWN;
738 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
741 int mv88e6352_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
742 bool unicast, bool multicast)
747 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL0, ®);
751 reg &= ~MV88E6352_PORT_CTL0_EGRESS_FLOODS_MASK;
753 if (unicast && multicast)
754 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_ALL_UNKNOWN_DA;
756 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_NO_UNKNOWN_MC_DA;
758 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_NO_UNKNOWN_UC_DA;
760 reg |= MV88E6352_PORT_CTL0_EGRESS_FLOODS_NO_UNKNOWN_DA;
762 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL0, reg);
765 /* Offset 0x05: Port Control 1 */
767 int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
773 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1, &val);
778 val |= MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
780 val &= ~MV88E6XXX_PORT_CTL1_MESSAGE_PORT;
782 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1, val);
785 /* Offset 0x06: Port Based VLAN Map */
787 int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map)
789 const u16 mask = mv88e6xxx_port_mask(chip);
793 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
800 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
804 dev_dbg(chip->dev, "p%d: VLANTable set to %.3x\n", port, map);
809 int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
811 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
815 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
816 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
820 *fid = (reg & 0xf000) >> 12;
822 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
824 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
829 *fid |= (reg & upper_mask) << 4;
835 int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
837 const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
841 if (fid >= mv88e6xxx_num_databases(chip))
844 /* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
845 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_BASE_VLAN, ®);
850 reg |= (fid & 0x000f) << 12;
852 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_BASE_VLAN, reg);
856 /* Port's default FID upper bits are located in reg 0x05, offset 0 */
858 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL1,
864 reg |= (fid >> 4) & upper_mask;
866 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL1,
872 dev_dbg(chip->dev, "p%d: FID set to %u\n", port, fid);
877 /* Offset 0x07: Default Port VLAN ID & Priority */
879 int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
884 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
889 *pvid = reg & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
894 int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
899 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
904 reg &= ~MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
905 reg |= pvid & MV88E6XXX_PORT_DEFAULT_VLAN_MASK;
907 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN,
912 dev_dbg(chip->dev, "p%d: DefaultVID set to %u\n", port, pvid);
917 /* Offset 0x08: Port Control 2 Register */
919 static const char * const mv88e6xxx_port_8021q_mode_names[] = {
920 [MV88E6XXX_PORT_CTL2_8021Q_MODE_DISABLED] = "Disabled",
921 [MV88E6XXX_PORT_CTL2_8021Q_MODE_FALLBACK] = "Fallback",
922 [MV88E6XXX_PORT_CTL2_8021Q_MODE_CHECK] = "Check",
923 [MV88E6XXX_PORT_CTL2_8021Q_MODE_SECURE] = "Secure",
926 static int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
927 int port, bool multicast)
932 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
937 reg |= MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
939 reg &= ~MV88E6XXX_PORT_CTL2_DEFAULT_FORWARD;
941 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
944 int mv88e6185_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
945 bool unicast, bool multicast)
949 err = mv88e6185_port_set_forward_unknown(chip, port, unicast);
953 return mv88e6185_port_set_default_forward(chip, port, multicast);
956 int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
962 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
966 reg &= ~MV88E6095_PORT_CTL2_CPU_PORT_MASK;
967 reg |= upstream_port;
969 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
972 int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
978 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
982 reg &= ~MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
983 reg |= mode & MV88E6XXX_PORT_CTL2_8021Q_MODE_MASK;
985 err = mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
989 dev_dbg(chip->dev, "p%d: 802.1QMode set to %s\n", port,
990 mv88e6xxx_port_8021q_mode_names[mode]);
995 int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port)
1000 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1004 reg |= MV88E6XXX_PORT_CTL2_MAP_DA;
1006 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1009 int mv88e6165_port_set_jumbo_size(struct mv88e6xxx_chip *chip, int port,
1015 err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_CTL2, ®);
1019 reg &= ~MV88E6XXX_PORT_CTL2_JUMBO_MODE_MASK;
1022 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_1522;
1023 else if (size <= 2048)
1024 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_2048;
1025 else if (size <= 10240)
1026 reg |= MV88E6XXX_PORT_CTL2_JUMBO_MODE_10240;
1030 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_CTL2, reg);
1033 /* Offset 0x09: Port Rate Control */
1035 int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1037 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1041 int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
1043 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_EGRESS_RATE_CTL1,
1047 /* Offset 0x0C: Port ATU Control */
1049 int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
1051 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ATU_CTL, 0);
1054 /* Offset 0x0D: (Priority) Override Register */
1056 int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
1058 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_PRI_OVERRIDE, 0);
1061 /* Offset 0x0f: Port Ether type */
1063 int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
1066 return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_ETH_TYPE, etype);
1069 /* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
1070 * Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
1073 int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1077 /* Use a direct priority mapping for all IEEE tagged frames */
1078 err = mv88e6xxx_port_write(chip, port,
1079 MV88E6095_PORT_IEEE_PRIO_REMAP_0123,
1084 return mv88e6xxx_port_write(chip, port,
1085 MV88E6095_PORT_IEEE_PRIO_REMAP_4567,
1089 static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
1090 int port, u16 table, u8 ptr, u16 data)
1094 reg = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_UPDATE | table |
1095 (ptr << __bf_shf(MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_PTR_MASK)) |
1096 (data & MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_DATA_MASK);
1098 return mv88e6xxx_port_write(chip, port,
1099 MV88E6390_PORT_IEEE_PRIO_MAP_TABLE, reg);
1102 int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
1107 for (i = 0; i <= 7; i++) {
1108 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP;
1109 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i,
1114 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP;
1115 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1119 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP;
1120 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);
1124 table = MV88E6390_PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP;
1125 err = mv88e6xxx_port_ieeepmt_write(chip, port, table, i, i);