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linux_dsm_epyc7002/drivers/net/dsa/mv88e6xxx/port.c
Vivien Didelot 9dbfb4e1ca net: dsa: mv88e6xxx: add port priority override op 
Add a new operation to disable the DA, SA and VTU priority override.

Setting such limit is not likely to be used soon, so provide a
port_disable_pri_override operation directly. This can be changed later
for port_set_pri_override when we'll need it.

Also remove the now obsolete mv88e6xxx_6320_family helper.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-12 23:54:07 -07:00

892 lines
20 KiB
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/*
* Marvell 88E6xxx Switch Port Registers support
*
* Copyright (c) 2008 Marvell Semiconductor
*
* Copyright (c) 2016 Vivien Didelot <vivien.didelot@savoirfairelinux.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/phy.h>
#include "mv88e6xxx.h"
#include "port.h"
int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
u16 *val)
{
int addr = chip->info->port_base_addr + port;
return mv88e6xxx_read(chip, addr, reg, val);
}
int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
u16 val)
{
int addr = chip->info->port_base_addr + port;
return mv88e6xxx_write(chip, addr, reg, val);
}
/* Offset 0x01: MAC (or PCS or Physical) Control Register
*
* Link, Duplex and Flow Control have one force bit, one value bit.
*
* For port's MAC speed, ForceSpd (or SpdValue) bits 1:0 program the value.
* Alternative values require the 200BASE (or AltSpeed) bit 12 set.
* Newer chips need a ForcedSpd bit 13 set to consider the value.
*/
static int mv88e6xxx_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mode)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_PCS_CTRL, &reg);
if (err)
return err;
reg &= ~(PORT_PCS_CTRL_RGMII_DELAY_RXCLK |
PORT_PCS_CTRL_RGMII_DELAY_TXCLK);
switch (mode) {
case PHY_INTERFACE_MODE_RGMII_RXID:
reg |= PORT_PCS_CTRL_RGMII_DELAY_RXCLK;
break;
case PHY_INTERFACE_MODE_RGMII_TXID:
reg |= PORT_PCS_CTRL_RGMII_DELAY_TXCLK;
break;
case PHY_INTERFACE_MODE_RGMII_ID:
reg |= PORT_PCS_CTRL_RGMII_DELAY_RXCLK |
PORT_PCS_CTRL_RGMII_DELAY_TXCLK;
break;
case PHY_INTERFACE_MODE_RGMII:
break;
default:
return 0;
}
err = mv88e6xxx_port_write(chip, port, PORT_PCS_CTRL, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "delay RXCLK %s, TXCLK %s\n",
reg & PORT_PCS_CTRL_RGMII_DELAY_RXCLK ? "yes" : "no",
reg & PORT_PCS_CTRL_RGMII_DELAY_TXCLK ? "yes" : "no");
return 0;
}
int mv88e6352_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mode)
{
if (port < 5)
return -EOPNOTSUPP;
return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
}
int mv88e6390_port_set_rgmii_delay(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mode)
{
if (port != 0)
return -EOPNOTSUPP;
return mv88e6xxx_port_set_rgmii_delay(chip, port, mode);
}
int mv88e6xxx_port_set_link(struct mv88e6xxx_chip *chip, int port, int link)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_PCS_CTRL, &reg);
if (err)
return err;
reg &= ~(PORT_PCS_CTRL_FORCE_LINK | PORT_PCS_CTRL_LINK_UP);
switch (link) {
case LINK_FORCED_DOWN:
reg |= PORT_PCS_CTRL_FORCE_LINK;
break;
case LINK_FORCED_UP:
reg |= PORT_PCS_CTRL_FORCE_LINK | PORT_PCS_CTRL_LINK_UP;
break;
case LINK_UNFORCED:
/* normal link detection */
break;
default:
return -EINVAL;
}
err = mv88e6xxx_port_write(chip, port, PORT_PCS_CTRL, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "%s link %s\n",
reg & PORT_PCS_CTRL_FORCE_LINK ? "Force" : "Unforce",
reg & PORT_PCS_CTRL_LINK_UP ? "up" : "down");
return 0;
}
int mv88e6xxx_port_set_duplex(struct mv88e6xxx_chip *chip, int port, int dup)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_PCS_CTRL, &reg);
if (err)
return err;
reg &= ~(PORT_PCS_CTRL_FORCE_DUPLEX | PORT_PCS_CTRL_DUPLEX_FULL);
switch (dup) {
case DUPLEX_HALF:
reg |= PORT_PCS_CTRL_FORCE_DUPLEX;
break;
case DUPLEX_FULL:
reg |= PORT_PCS_CTRL_FORCE_DUPLEX | PORT_PCS_CTRL_DUPLEX_FULL;
break;
case DUPLEX_UNFORCED:
/* normal duplex detection */
break;
default:
return -EINVAL;
}
err = mv88e6xxx_port_write(chip, port, PORT_PCS_CTRL, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "%s %s duplex\n",
reg & PORT_PCS_CTRL_FORCE_DUPLEX ? "Force" : "Unforce",
reg & PORT_PCS_CTRL_DUPLEX_FULL ? "full" : "half");
return 0;
}
static int mv88e6xxx_port_set_speed(struct mv88e6xxx_chip *chip, int port,
int speed, bool alt_bit, bool force_bit)
{
u16 reg, ctrl;
int err;
switch (speed) {
case 10:
ctrl = PORT_PCS_CTRL_SPEED_10;
break;
case 100:
ctrl = PORT_PCS_CTRL_SPEED_100;
break;
case 200:
if (alt_bit)
ctrl = PORT_PCS_CTRL_SPEED_100 | PORT_PCS_CTRL_ALTSPEED;
else
ctrl = PORT_PCS_CTRL_SPEED_200;
break;
case 1000:
ctrl = PORT_PCS_CTRL_SPEED_1000;
break;
case 2500:
ctrl = PORT_PCS_CTRL_SPEED_10000 | PORT_PCS_CTRL_ALTSPEED;
break;
case 10000:
/* all bits set, fall through... */
case SPEED_UNFORCED:
ctrl = PORT_PCS_CTRL_SPEED_UNFORCED;
break;
default:
return -EOPNOTSUPP;
}
err = mv88e6xxx_port_read(chip, port, PORT_PCS_CTRL, &reg);
if (err)
return err;
reg &= ~PORT_PCS_CTRL_SPEED_MASK;
if (alt_bit)
reg &= ~PORT_PCS_CTRL_ALTSPEED;
if (force_bit) {
reg &= ~PORT_PCS_CTRL_FORCE_SPEED;
if (speed != SPEED_UNFORCED)
ctrl |= PORT_PCS_CTRL_FORCE_SPEED;
}
reg |= ctrl;
err = mv88e6xxx_port_write(chip, port, PORT_PCS_CTRL, reg);
if (err)
return err;
if (speed)
netdev_dbg(chip->ds->ports[port].netdev,
"Speed set to %d Mbps\n", speed);
else
netdev_dbg(chip->ds->ports[port].netdev, "Speed unforced\n");
return 0;
}
/* Support 10, 100, 200 Mbps (e.g. 88E6065 family) */
int mv88e6065_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
{
if (speed == SPEED_MAX)
speed = 200;
if (speed > 200)
return -EOPNOTSUPP;
/* Setting 200 Mbps on port 0 to 3 selects 100 Mbps */
return mv88e6xxx_port_set_speed(chip, port, speed, false, false);
}
/* Support 10, 100, 1000 Mbps (e.g. 88E6185 family) */
int mv88e6185_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
{
if (speed == SPEED_MAX)
speed = 1000;
if (speed == 200 || speed > 1000)
return -EOPNOTSUPP;
return mv88e6xxx_port_set_speed(chip, port, speed, false, false);
}
/* Support 10, 100, 200, 1000 Mbps (e.g. 88E6352 family) */
int mv88e6352_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
{
if (speed == SPEED_MAX)
speed = 1000;
if (speed > 1000)
return -EOPNOTSUPP;
if (speed == 200 && port < 5)
return -EOPNOTSUPP;
return mv88e6xxx_port_set_speed(chip, port, speed, true, false);
}
/* Support 10, 100, 200, 1000, 2500 Mbps (e.g. 88E6390) */
int mv88e6390_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
{
if (speed == SPEED_MAX)
speed = port < 9 ? 1000 : 2500;
if (speed > 2500)
return -EOPNOTSUPP;
if (speed == 200 && port != 0)
return -EOPNOTSUPP;
if (speed == 2500 && port < 9)
return -EOPNOTSUPP;
return mv88e6xxx_port_set_speed(chip, port, speed, true, true);
}
/* Support 10, 100, 200, 1000, 2500, 10000 Mbps (e.g. 88E6190X) */
int mv88e6390x_port_set_speed(struct mv88e6xxx_chip *chip, int port, int speed)
{
if (speed == SPEED_MAX)
speed = port < 9 ? 1000 : 10000;
if (speed == 200 && port != 0)
return -EOPNOTSUPP;
if (speed >= 2500 && port < 9)
return -EOPNOTSUPP;
return mv88e6xxx_port_set_speed(chip, port, speed, true, true);
}
int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port,
phy_interface_t mode)
{
u16 reg;
u16 cmode;
int err;
if (mode == PHY_INTERFACE_MODE_NA)
return 0;
if (port != 9 && port != 10)
return -EOPNOTSUPP;
switch (mode) {
case PHY_INTERFACE_MODE_1000BASEX:
cmode = PORT_STATUS_CMODE_1000BASE_X;
break;
case PHY_INTERFACE_MODE_SGMII:
cmode = PORT_STATUS_CMODE_SGMII;
break;
case PHY_INTERFACE_MODE_2500BASEX:
cmode = PORT_STATUS_CMODE_2500BASEX;
break;
case PHY_INTERFACE_MODE_XGMII:
cmode = PORT_STATUS_CMODE_XAUI;
break;
case PHY_INTERFACE_MODE_RXAUI:
cmode = PORT_STATUS_CMODE_RXAUI;
break;
default:
cmode = 0;
}
if (cmode) {
err = mv88e6xxx_port_read(chip, port, PORT_STATUS, &reg);
if (err)
return err;
reg &= ~PORT_STATUS_CMODE_MASK;
reg |= cmode;
err = mv88e6xxx_port_write(chip, port, PORT_STATUS, reg);
if (err)
return err;
}
return 0;
}
int mv88e6xxx_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_STATUS, &reg);
if (err)
return err;
*cmode = reg & PORT_STATUS_CMODE_MASK;
return 0;
}
/* Offset 0x02: Pause Control
*
* Do not limit the period of time that this port can be paused for by
* the remote end or the period of time that this port can pause the
* remote end.
*/
int mv88e6097_port_pause_config(struct mv88e6xxx_chip *chip, int port)
{
return mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL, 0x0000);
}
int mv88e6390_port_pause_config(struct mv88e6xxx_chip *chip, int port)
{
int err;
err = mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL,
PORT_FLOW_CTRL_LIMIT_IN | 0);
if (err)
return err;
return mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL,
PORT_FLOW_CTRL_LIMIT_OUT | 0);
}
/* Offset 0x04: Port Control Register */
static const char * const mv88e6xxx_port_state_names[] = {
[PORT_CONTROL_STATE_DISABLED] = "Disabled",
[PORT_CONTROL_STATE_BLOCKING] = "Blocking/Listening",
[PORT_CONTROL_STATE_LEARNING] = "Learning",
[PORT_CONTROL_STATE_FORWARDING] = "Forwarding",
};
int mv88e6xxx_port_set_state(struct mv88e6xxx_chip *chip, int port, u8 state)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL, &reg);
if (err)
return err;
reg &= ~PORT_CONTROL_STATE_MASK;
reg |= state;
err = mv88e6xxx_port_write(chip, port, PORT_CONTROL, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "PortState set to %s\n",
mv88e6xxx_port_state_names[state]);
return 0;
}
int mv88e6xxx_port_set_egress_mode(struct mv88e6xxx_chip *chip, int port,
u16 mode)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL, &reg);
if (err)
return err;
reg &= ~PORT_CONTROL_EGRESS_MASK;
reg |= mode;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL, reg);
}
int mv88e6085_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
enum mv88e6xxx_frame_mode mode)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL, &reg);
if (err)
return err;
reg &= ~PORT_CONTROL_FRAME_MODE_DSA;
switch (mode) {
case MV88E6XXX_FRAME_MODE_NORMAL:
reg |= PORT_CONTROL_FRAME_MODE_NORMAL;
break;
case MV88E6XXX_FRAME_MODE_DSA:
reg |= PORT_CONTROL_FRAME_MODE_DSA;
break;
default:
return -EINVAL;
}
return mv88e6xxx_port_write(chip, port, PORT_CONTROL, reg);
}
int mv88e6351_port_set_frame_mode(struct mv88e6xxx_chip *chip, int port,
enum mv88e6xxx_frame_mode mode)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL, &reg);
if (err)
return err;
reg &= ~PORT_CONTROL_FRAME_MASK;
switch (mode) {
case MV88E6XXX_FRAME_MODE_NORMAL:
reg |= PORT_CONTROL_FRAME_MODE_NORMAL;
break;
case MV88E6XXX_FRAME_MODE_DSA:
reg |= PORT_CONTROL_FRAME_MODE_DSA;
break;
case MV88E6XXX_FRAME_MODE_PROVIDER:
reg |= PORT_CONTROL_FRAME_MODE_PROVIDER;
break;
case MV88E6XXX_FRAME_MODE_ETHERTYPE:
reg |= PORT_CONTROL_FRAME_ETHER_TYPE_DSA;
break;
default:
return -EINVAL;
}
return mv88e6xxx_port_write(chip, port, PORT_CONTROL, reg);
}
static int mv88e6185_port_set_forward_unknown(struct mv88e6xxx_chip *chip,
int port, bool unicast)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL, &reg);
if (err)
return err;
if (unicast)
reg |= PORT_CONTROL_FORWARD_UNKNOWN;
else
reg &= ~PORT_CONTROL_FORWARD_UNKNOWN;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL, reg);
}
int mv88e6352_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
bool unicast, bool multicast)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL, &reg);
if (err)
return err;
reg &= ~PORT_CONTROL_EGRESS_FLOODS_MASK;
if (unicast && multicast)
reg |= PORT_CONTROL_EGRESS_FLOODS_ALL_UNKNOWN_DA;
else if (unicast)
reg |= PORT_CONTROL_EGRESS_FLOODS_NO_UNKNOWN_MC_DA;
else if (multicast)
reg |= PORT_CONTROL_EGRESS_FLOODS_NO_UNKNOWN_UC_DA;
else
reg |= PORT_CONTROL_EGRESS_FLOODS_NO_UNKNOWN_DA;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL, reg);
}
/* Offset 0x05: Port Control 1 */
int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,
bool message_port)
{
u16 val;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_1, &val);
if (err)
return err;
if (message_port)
val |= PORT_CONTROL_1_MESSAGE_PORT;
else
val &= ~PORT_CONTROL_1_MESSAGE_PORT;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL_1, val);
}
/* Offset 0x06: Port Based VLAN Map */
int mv88e6xxx_port_set_vlan_map(struct mv88e6xxx_chip *chip, int port, u16 map)
{
const u16 mask = mv88e6xxx_port_mask(chip);
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_BASE_VLAN, &reg);
if (err)
return err;
reg &= ~mask;
reg |= map & mask;
err = mv88e6xxx_port_write(chip, port, PORT_BASE_VLAN, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "VLANTable set to %.3x\n",
map);
return 0;
}
int mv88e6xxx_port_get_fid(struct mv88e6xxx_chip *chip, int port, u16 *fid)
{
const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
u16 reg;
int err;
/* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
err = mv88e6xxx_port_read(chip, port, PORT_BASE_VLAN, &reg);
if (err)
return err;
*fid = (reg & 0xf000) >> 12;
/* Port's default FID upper bits are located in reg 0x05, offset 0 */
if (upper_mask) {
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_1, &reg);
if (err)
return err;
*fid |= (reg & upper_mask) << 4;
}
return 0;
}
int mv88e6xxx_port_set_fid(struct mv88e6xxx_chip *chip, int port, u16 fid)
{
const u16 upper_mask = (mv88e6xxx_num_databases(chip) - 1) >> 4;
u16 reg;
int err;
if (fid >= mv88e6xxx_num_databases(chip))
return -EINVAL;
/* Port's default FID lower 4 bits are located in reg 0x06, offset 12 */
err = mv88e6xxx_port_read(chip, port, PORT_BASE_VLAN, &reg);
if (err)
return err;
reg &= 0x0fff;
reg |= (fid & 0x000f) << 12;
err = mv88e6xxx_port_write(chip, port, PORT_BASE_VLAN, reg);
if (err)
return err;
/* Port's default FID upper bits are located in reg 0x05, offset 0 */
if (upper_mask) {
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_1, &reg);
if (err)
return err;
reg &= ~upper_mask;
reg |= (fid >> 4) & upper_mask;
err = mv88e6xxx_port_write(chip, port, PORT_CONTROL_1, reg);
if (err)
return err;
}
netdev_dbg(chip->ds->ports[port].netdev, "FID set to %u\n", fid);
return 0;
}
/* Offset 0x07: Default Port VLAN ID & Priority */
int mv88e6xxx_port_get_pvid(struct mv88e6xxx_chip *chip, int port, u16 *pvid)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_DEFAULT_VLAN, &reg);
if (err)
return err;
*pvid = reg & PORT_DEFAULT_VLAN_MASK;
return 0;
}
int mv88e6xxx_port_set_pvid(struct mv88e6xxx_chip *chip, int port, u16 pvid)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_DEFAULT_VLAN, &reg);
if (err)
return err;
reg &= ~PORT_DEFAULT_VLAN_MASK;
reg |= pvid & PORT_DEFAULT_VLAN_MASK;
err = mv88e6xxx_port_write(chip, port, PORT_DEFAULT_VLAN, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "DefaultVID set to %u\n",
pvid);
return 0;
}
/* Offset 0x08: Port Control 2 Register */
static const char * const mv88e6xxx_port_8021q_mode_names[] = {
[PORT_CONTROL_2_8021Q_DISABLED] = "Disabled",
[PORT_CONTROL_2_8021Q_FALLBACK] = "Fallback",
[PORT_CONTROL_2_8021Q_CHECK] = "Check",
[PORT_CONTROL_2_8021Q_SECURE] = "Secure",
};
static int mv88e6185_port_set_default_forward(struct mv88e6xxx_chip *chip,
int port, bool multicast)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_2, &reg);
if (err)
return err;
if (multicast)
reg |= PORT_CONTROL_2_DEFAULT_FORWARD;
else
reg &= ~PORT_CONTROL_2_DEFAULT_FORWARD;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL_2, reg);
}
int mv88e6185_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
bool unicast, bool multicast)
{
int err;
err = mv88e6185_port_set_forward_unknown(chip, port, unicast);
if (err)
return err;
return mv88e6185_port_set_default_forward(chip, port, multicast);
}
int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
int upstream_port)
{
int err;
u16 reg;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_2, &reg);
if (err)
return err;
reg &= ~PORT_CONTROL_2_UPSTREAM_MASK;
reg |= upstream_port;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL_2, reg);
}
int mv88e6xxx_port_set_8021q_mode(struct mv88e6xxx_chip *chip, int port,
u16 mode)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_2, &reg);
if (err)
return err;
reg &= ~PORT_CONTROL_2_8021Q_MASK;
reg |= mode & PORT_CONTROL_2_8021Q_MASK;
err = mv88e6xxx_port_write(chip, port, PORT_CONTROL_2, reg);
if (err)
return err;
netdev_dbg(chip->ds->ports[port].netdev, "802.1QMode set to %s\n",
mv88e6xxx_port_8021q_mode_names[mode]);
return 0;
}
int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_2, &reg);
if (err)
return err;
reg |= PORT_CONTROL_2_MAP_DA;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL_2, reg);
}
int mv88e6165_port_jumbo_config(struct mv88e6xxx_chip *chip, int port)
{
u16 reg;
int err;
err = mv88e6xxx_port_read(chip, port, PORT_CONTROL_2, &reg);
if (err)
return err;
reg |= PORT_CONTROL_2_JUMBO_10240;
return mv88e6xxx_port_write(chip, port, PORT_CONTROL_2, reg);
}
/* Offset 0x09: Port Rate Control */
int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
{
return mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL, 0x0000);
}
int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
{
return mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL, 0x0001);
}
/* Offset 0x0C: Port ATU Control */
int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
{
return mv88e6xxx_port_write(chip, port, PORT_ATU_CONTROL, 0);
}
/* Offset 0x0D: (Priority) Override Register */
int mv88e6xxx_port_disable_pri_override(struct mv88e6xxx_chip *chip, int port)
{
return mv88e6xxx_port_write(chip, port, PORT_PRI_OVERRIDE, 0);
}
/* Offset 0x0f: Port Ether type */
int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
u16 etype)
{
return mv88e6xxx_port_write(chip, port, PORT_ETH_TYPE, etype);
}
/* Offset 0x18: Port IEEE Priority Remapping Registers [0-3]
* Offset 0x19: Port IEEE Priority Remapping Registers [4-7]
*/
int mv88e6095_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
{
int err;
/* Use a direct priority mapping for all IEEE tagged frames */
err = mv88e6xxx_port_write(chip, port, PORT_TAG_REGMAP_0123, 0x3210);
if (err)
return err;
return mv88e6xxx_port_write(chip, port, PORT_TAG_REGMAP_4567, 0x7654);
}
static int mv88e6xxx_port_ieeepmt_write(struct mv88e6xxx_chip *chip,
int port, u16 table,
u8 pointer, u16 data)
{
u16 reg;
reg = PORT_IEEE_PRIO_MAP_TABLE_UPDATE |
table |
(pointer << PORT_IEEE_PRIO_MAP_TABLE_POINTER_SHIFT) |
data;
return mv88e6xxx_port_write(chip, port, PORT_IEEE_PRIO_MAP_TABLE, reg);
}
int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port)
{
int err, i;
for (i = 0; i <= 7; i++) {
err = mv88e6xxx_port_ieeepmt_write(
chip, port, PORT_IEEE_PRIO_MAP_TABLE_INGRESS_PCP,
i, (i | i << 4));
if (err)
return err;
err = mv88e6xxx_port_ieeepmt_write(
chip, port, PORT_IEEE_PRIO_MAP_TABLE_EGRESS_GREEN_PCP,
i, i);
if (err)
return err;
err = mv88e6xxx_port_ieeepmt_write(
chip, port, PORT_IEEE_PRIO_MAP_TABLE_EGRESS_YELLOW_PCP,
i, i);
if (err)
return err;
err = mv88e6xxx_port_ieeepmt_write(
chip, port, PORT_IEEE_PRIO_MAP_TABLE_EGRESS_AVB_PCP,
i, i);
if (err)
return err;
}
return 0;
}
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