From: Selwin Sebastian <selwin.sebast...@amd.com>
Add support for a new port mode that is abackplane
connection without support for auto negotiation.
Signed-off-by: Selwin Sebastian <selwin.sebast...@amd.com>
---
drivers/net/axgbe/axgbe_phy_impl.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/net/axgbe/axgbe_phy_impl.c
b/drivers/net/axgbe/axgbe_phy_impl.c
index e52dbb9585..2aad8babd2 100644
--- a/drivers/net/axgbe/axgbe_phy_impl.c
+++ b/drivers/net/axgbe/axgbe_phy_impl.c
@@ -46,6 +46,7 @@ enum axgbe_port_mode {
AXGBE_PORT_MODE_10GBASE_T,
AXGBE_PORT_MODE_10GBASE_R,
AXGBE_PORT_MODE_SFP,
+ AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG,
AXGBE_PORT_MODE_MAX,
};
@@ -885,6 +886,7 @@ static enum axgbe_mode axgbe_phy_an73_redrv_outcome(struct
axgbe_port *pdata)
if (ad_reg & 0x80) {
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
mode = AXGBE_MODE_KR;
break;
default:
@@ -894,6 +896,7 @@ static enum axgbe_mode axgbe_phy_an73_redrv_outcome(struct
axgbe_port *pdata)
} else if (ad_reg & 0x20) {
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
mode = AXGBE_MODE_KX_1000;
break;
case AXGBE_PORT_MODE_1000BASE_X:
@@ -1052,6 +1055,7 @@ static unsigned int axgbe_phy_an_advertising(struct
axgbe_port *pdata)
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
advertising |= ADVERTISED_10000baseKR_Full;
break;
case AXGBE_PORT_MODE_BACKPLANE_2500:
@@ -1122,6 +1126,7 @@ static enum axgbe_an_mode axgbe_phy_an_mode(struct
axgbe_port *pdata)
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
return AXGBE_AN_MODE_CL73;
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
case AXGBE_PORT_MODE_BACKPLANE_2500:
return AXGBE_AN_MODE_NONE;
case AXGBE_PORT_MODE_1000BASE_T:
@@ -1400,6 +1405,7 @@ static enum axgbe_mode axgbe_phy_switch_mode(struct
axgbe_port *pdata)
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return axgbe_phy_switch_bp_mode(pdata);
case AXGBE_PORT_MODE_BACKPLANE_2500:
return axgbe_phy_switch_bp_2500_mode(pdata);
@@ -1495,6 +1501,7 @@ static enum axgbe_mode axgbe_phy_get_mode(struct
axgbe_port *pdata,
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return axgbe_phy_get_bp_mode(speed);
case AXGBE_PORT_MODE_BACKPLANE_2500:
return axgbe_phy_get_bp_2500_mode(speed);
@@ -1644,6 +1651,7 @@ static bool axgbe_phy_use_mode(struct axgbe_port *pdata,
enum axgbe_mode mode)
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return axgbe_phy_use_bp_mode(pdata, mode);
case AXGBE_PORT_MODE_BACKPLANE_2500:
return axgbe_phy_use_bp_2500_mode(pdata, mode);
@@ -1806,6 +1814,7 @@ static bool axgbe_phy_port_mode_mismatch(struct
axgbe_port *pdata)
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
if ((phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000) ||
(phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_10000))
return false;
@@ -1858,6 +1867,7 @@ static bool axgbe_phy_conn_type_mismatch(struct
axgbe_port *pdata)
switch (phy_data->port_mode) {
case AXGBE_PORT_MODE_BACKPLANE:
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
case AXGBE_PORT_MODE_BACKPLANE_2500:
if (phy_data->conn_type == AXGBE_CONN_TYPE_BACKPLANE)
return false;
@@ -2122,6 +2132,8 @@ static int axgbe_phy_init(struct axgbe_port *pdata)
/* Backplane support */
case AXGBE_PORT_MODE_BACKPLANE:
pdata->phy.supported |= SUPPORTED_Autoneg;
+ /*fallthrough;*/
+ case AXGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
pdata->phy.supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
pdata->phy.supported |= SUPPORTED_Backplane;
if (phy_data->port_speeds & AXGBE_PHY_PORT_SPEED_1000) {
--
2.25.1
