/*
* Access PHYs integrated into the switch chip through the switch's MDIO
* control register.
*/
int
arswitch_readphy_internal(device_t dev, int phy, int reg)
{
struct arswitch_softc *sc;
uint32_t data = 0, ctrl;
int err, timeout;
uint32_t a;
sc = device_get_softc(dev);
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
if (phy < 0 || phy >= 32)
return (ENXIO);
if (reg < 0 || reg >= 32)
return (ENXIO);
if (AR8X16_IS_SWITCH(sc, AR8327))
a = AR8327_REG_MDIO_CTRL;
else
a = AR8X16_REG_MDIO_CTRL;
ARSWITCH_LOCK(sc);
err = arswitch_writereg_msb(dev, a,
AR8X16_MDIO_CTRL_BUSY | AR8X16_MDIO_CTRL_MASTER_EN |
AR8X16_MDIO_CTRL_CMD_READ |
(phy << AR8X16_MDIO_CTRL_PHY_ADDR_SHIFT) |
(reg << AR8X16_MDIO_CTRL_REG_ADDR_SHIFT));
DEVERR(dev, err, "arswitch_readphy()=%d: phy=%d.%02x\n", phy, reg);
if (err != 0)
goto fail;
for (timeout = 100; timeout--; ) {
ctrl = arswitch_readreg_msb(dev, a);
if ((ctrl & AR8X16_MDIO_CTRL_BUSY) == 0)
break;
}
if (timeout < 0) {
DPRINTF(sc, ARSWITCH_DBG_ANY,
"arswitch_readphy(): phy=%d.%02x; timeout=%d\n",
phy, reg, timeout);
goto fail;
}
data = arswitch_readreg_lsb(dev, a) &
AR8X16_MDIO_CTRL_DATA_MASK;
ARSWITCH_UNLOCK(sc);
DPRINTF(sc, ARSWITCH_DBG_PHYIO,
"%s: phy=0x%08x, reg=0x%08x, ret=0x%08x\n",
__func__, phy, reg, data);
return (data);
fail:
ARSWITCH_UNLOCK(sc);
DPRINTF(sc, ARSWITCH_DBG_PHYIO,
"%s: phy=0x%08x, reg=0x%08x, fail; err=%d\n",
__func__, phy, reg, err);
return (-1);
}
int
arswitch_writephy(device_t dev, int phy, int reg, int data)
{
struct arswitch_softc *sc;
uint32_t ctrl;
int err, timeout;
sc = device_get_softc(dev);
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
if (reg < 0 || reg >= 32)
return (ENXIO);
ARSWITCH_LOCK(sc);
err = arswitch_writereg(dev, AR8X16_REG_MDIO_CTRL,
AR8X16_MDIO_CTRL_BUSY |
AR8X16_MDIO_CTRL_MASTER_EN |
AR8X16_MDIO_CTRL_CMD_WRITE |
(phy << AR8X16_MDIO_CTRL_PHY_ADDR_SHIFT) |
(reg << AR8X16_MDIO_CTRL_REG_ADDR_SHIFT) |
(data & AR8X16_MDIO_CTRL_DATA_MASK));
if (err != 0)
goto out;
for (timeout = 100; timeout--; ) {
ctrl = arswitch_readreg(dev, AR8X16_REG_MDIO_CTRL);
if ((ctrl & AR8X16_MDIO_CTRL_BUSY) == 0)
break;
}
if (timeout < 0)
err = EIO;
out:
DEVERR(dev, err, "arswitch_writephy()=%d: phy=%d.%02x\n", phy, reg);
ARSWITCH_UNLOCK(sc);
return (err);
}
int
arswitch_writephy_external(device_t dev, int phy, int reg, int data)
{
struct arswitch_softc *sc;
sc = device_get_softc(dev);
ARSWITCH_LOCK(sc);
(void) MDIO_WRITEREG(device_get_parent(dev), phy,
reg, data);
DPRINTF(sc, ARSWITCH_DBG_PHYIO,
"%s: phy=0x%08x, reg=0x%08x, data=0x%08x\n",
__func__, phy, reg, data);
ARSWITCH_UNLOCK(sc);
return (0);
}
/*
* Access PHYs integrated into the switch by going direct
* to the PHY space itself, rather than through the switch
* MDIO register.
*/
int
arswitch_readphy_external(device_t dev, int phy, int reg)
{
int ret;
struct arswitch_softc *sc;
sc = device_get_softc(dev);
ARSWITCH_LOCK(sc);
ret = (MDIO_READREG(device_get_parent(dev), phy, reg));
DPRINTF(sc, ARSWITCH_DBG_PHYIO,
"%s: phy=0x%08x, reg=0x%08x, ret=0x%08x\n",
__func__, phy, reg, ret);
ARSWITCH_UNLOCK(sc);
return (ret);
}
int
arswitch_writephy_internal(device_t dev, int phy, int reg, int data)
{
struct arswitch_softc *sc;
uint32_t ctrl;
int err, timeout;
uint32_t a;
sc = device_get_softc(dev);
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
if (reg < 0 || reg >= 32)
return (ENXIO);
if (AR8X16_IS_SWITCH(sc, AR8327))
a = AR8327_REG_MDIO_CTRL;
else
a = AR8X16_REG_MDIO_CTRL;
ARSWITCH_LOCK(sc);
err = arswitch_writereg(dev, a,
AR8X16_MDIO_CTRL_BUSY |
AR8X16_MDIO_CTRL_MASTER_EN |
AR8X16_MDIO_CTRL_CMD_WRITE |
(phy << AR8X16_MDIO_CTRL_PHY_ADDR_SHIFT) |
(reg << AR8X16_MDIO_CTRL_REG_ADDR_SHIFT) |
(data & AR8X16_MDIO_CTRL_DATA_MASK));
if (err != 0)
goto out;
for (timeout = 100; timeout--; ) {
ctrl = arswitch_readreg(dev, a);
if ((ctrl & AR8X16_MDIO_CTRL_BUSY) == 0)
break;
}
if (timeout < 0)
err = EIO;
DPRINTF(sc, ARSWITCH_DBG_PHYIO,
"%s: phy=0x%08x, reg=0x%08x, data=0x%08x, err=%d\n",
__func__, phy, reg, data, err);
out:
DEVERR(dev, err, "arswitch_writephy()=%d: phy=%d.%02x\n", phy, reg);
ARSWITCH_UNLOCK(sc);
return (err);
}
/*
* Get the port VLAN configuration.
*/
static int
ar8327_port_vlan_get(struct arswitch_softc *sc, etherswitch_port_t *p)
{
ARSWITCH_LOCK(sc);
/* Retrieve the PVID */
sc->hal.arswitch_vlan_get_pvid(sc, p->es_port, &p->es_pvid);
/* Retrieve the current port configuration from the VTU */
/*
* DOUBLE_TAG
* VLAN_MODE_ADD
* VLAN_MODE_STRIP
*/
ARSWITCH_UNLOCK(sc);
return (0);
}
static int
ar8327_port_vlan_setup(struct arswitch_softc *sc, etherswitch_port_t *p)
{
/* Check: ADDTAG/STRIPTAG - exclusive */
ARSWITCH_LOCK(sc);
/* Set the PVID. */
if (p->es_pvid != 0)
sc->hal.arswitch_vlan_set_pvid(sc, p->es_port, p->es_pvid);
/*
* DOUBLE_TAG
* VLAN_MODE_ADD
* VLAN_MODE_STRIP
*/
ARSWITCH_UNLOCK(sc);
return (0);
}
/*
* access PHYs integrated into the switch chip through the switch's MDIO
* control register.
*/
int
arswitch_readphy(device_t dev, int phy, int reg)
{
struct arswitch_softc *sc;
uint32_t data = 0, ctrl;
int err, timeout;
sc = device_get_softc(dev);
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
if (phy < 0 || phy >= 32)
return (ENXIO);
if (reg < 0 || reg >= 32)
return (ENXIO);
ARSWITCH_LOCK(sc);
err = arswitch_writereg_msb(dev, AR8X16_REG_MDIO_CTRL,
AR8X16_MDIO_CTRL_BUSY | AR8X16_MDIO_CTRL_MASTER_EN |
AR8X16_MDIO_CTRL_CMD_READ |
(phy << AR8X16_MDIO_CTRL_PHY_ADDR_SHIFT) |
(reg << AR8X16_MDIO_CTRL_REG_ADDR_SHIFT));
DEVERR(dev, err, "arswitch_readphy()=%d: phy=%d.%02x\n", phy, reg);
if (err != 0)
goto fail;
for (timeout = 100; timeout--; ) {
ctrl = arswitch_readreg_msb(dev, AR8X16_REG_MDIO_CTRL);
if ((ctrl & AR8X16_MDIO_CTRL_BUSY) == 0)
break;
}
if (timeout < 0)
goto fail;
data = arswitch_readreg_lsb(dev, AR8X16_REG_MDIO_CTRL) &
AR8X16_MDIO_CTRL_DATA_MASK;
ARSWITCH_UNLOCK(sc);
return (data);
fail:
ARSWITCH_UNLOCK(sc);
return (-1);
}
static void
ar8327_reset_vlans(struct arswitch_softc *sc)
{
int i;
uint32_t t;
int ports;
ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED);
ARSWITCH_LOCK(sc);
/* Clear the existing VLAN configuration */
memset(sc->vid, 0, sizeof(sc->vid));
/*
* Disable mirroring.
*/
arswitch_modifyreg(sc->sc_dev, AR8327_REG_FWD_CTRL0,
AR8327_FWD_CTRL0_MIRROR_PORT,
(0xF << AR8327_FWD_CTRL0_MIRROR_PORT_S));
/*
* XXX TODO: disable any Q-in-Q port configuration,
* tagging, egress filters, etc.
*/
/*
* For now, let's default to one portgroup, just so traffic
* flows. All ports can see other ports. There are two CPU GMACs
* (GMAC0, GMAC6), GMAC1..GMAC5 are external PHYs.
*
* (ETHERSWITCH_VLAN_PORT)
*/
ports = 0x7f;
/*
* XXX TODO: set things up correctly for vlans!
*/
for (i = 0; i < AR8327_NUM_PORTS; i++) {
int egress, ingress;
if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
sc->vid[i] = i | ETHERSWITCH_VID_VALID;
/* set egress == out_keep */
ingress = AR8X16_PORT_VLAN_MODE_PORT_ONLY;
/* in_port_only, forward */
egress = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
ingress = AR8X16_PORT_VLAN_MODE_SECURE;
egress = AR8327_PORT_VLAN1_OUT_MODE_UNMOD;
} else {
/* set egress == out_keep */
ingress = AR8X16_PORT_VLAN_MODE_PORT_ONLY;
/* in_port_only, forward */
egress = AR8327_PORT_VLAN1_OUT_MODE_UNTOUCH;
}
/* set pvid = 1; there's only one vlangroup to start with */
t = 1 << AR8327_PORT_VLAN0_DEF_SVID_S;
t |= 1 << AR8327_PORT_VLAN0_DEF_CVID_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN0(i), t);
t = AR8327_PORT_VLAN1_PORT_VLAN_PROP;
t |= egress << AR8327_PORT_VLAN1_OUT_MODE_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_VLAN1(i), t);
/* Ports can see other ports */
/* XXX not entirely true for dot1q? */
t = (ports & ~(1 << i)); /* all ports besides us */
t |= AR8327_PORT_LOOKUP_LEARN;
t |= ingress << AR8327_PORT_LOOKUP_IN_MODE_S;
t |= AR8X16_PORT_CTRL_STATE_FORWARD << AR8327_PORT_LOOKUP_STATE_S;
arswitch_writereg(sc->sc_dev, AR8327_REG_PORT_LOOKUP(i), t);
}
/*
* Disable port mirroring entirely.
*/
for (i = 0; i < AR8327_NUM_PORTS; i++) {
ar8327_port_disable_mirror(sc, i);
}
/*
* If dot1q - set pvid; dot1q, etc.
*/
if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
sc->vid[0] = 1;
for (i = 0; i < AR8327_NUM_PORTS; i++) {
/* Each port - pvid 1 */
sc->hal.arswitch_vlan_set_pvid(sc, i, sc->vid[0]);
}
/* Initialise vlan1 - all ports, untagged */
sc->hal.arswitch_set_dot1q_vlan(sc, ports, ports, sc->vid[0]);
sc->vid[0] |= ETHERSWITCH_VID_VALID;
}
ARSWITCH_UNLOCK(sc);
}
