UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

amd-xgbe: Add support for new port mode 

Add support for a new port mode that is a backplane connection without
support for auto negotiation.

Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shyam Sundar S K 2020-09-02 09:28:07 +00:00 committed by David S. Miller
parent a609d02591
commit 7deedd9f0e
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
View File

@ -166,6 +166,7 @@ enum xgbe_port_mode {
XGBE_PORT_MODE_10GBASE_T,
XGBE_PORT_MODE_10GBASE_R,
XGBE_PORT_MODE_SFP,
XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG,
XGBE_PORT_MODE_MAX,
};
@ -1634,6 +1635,7 @@ static enum xgbe_mode xgbe_phy_an73_redrv_outcome(struct xgbe_prv_data *pdata)
if (ad_reg & 0x80) {
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
mode = XGBE_MODE_KR;
break;
default:
@ -1643,6 +1645,7 @@ static enum xgbe_mode xgbe_phy_an73_redrv_outcome(struct xgbe_prv_data *pdata)
} else if (ad_reg & 0x20) {
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
mode = XGBE_MODE_KX_1000;
break;
case XGBE_PORT_MODE_1000BASE_X:
@ -1782,6 +1785,7 @@ static void xgbe_phy_an_advertising(struct xgbe_prv_data *pdata,
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
XGBE_SET_ADV(dlks, 10000baseKR_Full);
break;
case XGBE_PORT_MODE_BACKPLANE_2500:
@ -1874,6 +1878,7 @@ static enum xgbe_an_mode xgbe_phy_an_mode(struct xgbe_prv_data *pdata)
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
return XGBE_AN_MODE_CL73;
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
case XGBE_PORT_MODE_BACKPLANE_2500:
return XGBE_AN_MODE_NONE;
case XGBE_PORT_MODE_1000BASE_T:
@ -2156,6 +2161,7 @@ static enum xgbe_mode xgbe_phy_switch_mode(struct xgbe_prv_data *pdata)
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return xgbe_phy_switch_bp_mode(pdata);
case XGBE_PORT_MODE_BACKPLANE_2500:
return xgbe_phy_switch_bp_2500_mode(pdata);
@ -2251,6 +2257,7 @@ static enum xgbe_mode xgbe_phy_get_mode(struct xgbe_prv_data *pdata,
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return xgbe_phy_get_bp_mode(speed);
case XGBE_PORT_MODE_BACKPLANE_2500:
return xgbe_phy_get_bp_2500_mode(speed);
@ -2426,6 +2433,7 @@ static bool xgbe_phy_use_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode)
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return xgbe_phy_use_bp_mode(pdata, mode);
case XGBE_PORT_MODE_BACKPLANE_2500:
return xgbe_phy_use_bp_2500_mode(pdata, mode);
@ -2515,6 +2523,7 @@ static bool xgbe_phy_valid_speed(struct xgbe_prv_data *pdata, int speed)
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
return xgbe_phy_valid_speed_bp_mode(speed);
case XGBE_PORT_MODE_BACKPLANE_2500:
return xgbe_phy_valid_speed_bp_2500_mode(speed);
@ -2792,6 +2801,7 @@ static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata)
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10000))
return false;
@ -2844,6 +2854,7 @@ static bool xgbe_phy_conn_type_mismatch(struct xgbe_prv_data *pdata)
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
case XGBE_PORT_MODE_BACKPLANE_2500:
if (phy_data->conn_type == XGBE_CONN_TYPE_BACKPLANE)
return false;
@ -3160,6 +3171,8 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
/* Backplane support */
case XGBE_PORT_MODE_BACKPLANE:
XGBE_SET_SUP(lks, Autoneg);
fallthrough;
case XGBE_PORT_MODE_BACKPLANE_NO_AUTONEG:
XGBE_SET_SUP(lks, Pause);
XGBE_SET_SUP(lks, Asym_Pause);
XGBE_SET_SUP(lks, Backplane);