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path: root/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
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Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c')
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c107
1 files changed, 97 insertions, 10 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index c731a04731f8..de7118cb10b8 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -124,6 +124,7 @@
#include "xgbe.h"
#include "xgbe-common.h"
+#define XGBE_PHY_PORT_SPEED_10 BIT(0)
#define XGBE_PHY_PORT_SPEED_100 BIT(1)
#define XGBE_PHY_PORT_SPEED_1000 BIT(2)
#define XGBE_PHY_PORT_SPEED_2500 BIT(3)
@@ -759,6 +760,8 @@ static void xgbe_phy_sfp_phy_settings(struct xgbe_prv_data *pdata)
XGBE_SET_SUP(lks, Pause);
XGBE_SET_SUP(lks, Asym_Pause);
if (phy_data->sfp_base == XGBE_SFP_BASE_1000_T) {
+ if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10)
+ XGBE_SET_SUP(lks, 10baseT_Full);
if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100)
XGBE_SET_SUP(lks, 100baseT_Full);
if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000)
@@ -1542,6 +1545,16 @@ static enum xgbe_mode xgbe_phy_an37_sgmii_outcome(struct xgbe_prv_data *pdata)
xgbe_phy_phydev_flowctrl(pdata);
switch (pdata->an_status & XGBE_SGMII_AN_LINK_SPEED) {
+ case XGBE_SGMII_AN_LINK_SPEED_10:
+ if (pdata->an_status & XGBE_SGMII_AN_LINK_DUPLEX) {
+ XGBE_SET_LP_ADV(lks, 10baseT_Full);
+ mode = XGBE_MODE_SGMII_10;
+ } else {
+ /* Half-duplex not supported */
+ XGBE_SET_LP_ADV(lks, 10baseT_Half);
+ mode = XGBE_MODE_UNKNOWN;
+ }
+ break;
case XGBE_SGMII_AN_LINK_SPEED_100:
if (pdata->an_status & XGBE_SGMII_AN_LINK_DUPLEX) {
XGBE_SET_LP_ADV(lks, 100baseT_Full);
@@ -1658,7 +1671,10 @@ static enum xgbe_mode xgbe_phy_an73_redrv_outcome(struct xgbe_prv_data *pdata)
switch (phy_data->sfp_base) {
case XGBE_SFP_BASE_1000_T:
if (phy_data->phydev &&
- (phy_data->phydev->speed == SPEED_100))
+ (phy_data->phydev->speed == SPEED_10))
+ mode = XGBE_MODE_SGMII_10;
+ else if (phy_data->phydev &&
+ (phy_data->phydev->speed == SPEED_100))
mode = XGBE_MODE_SGMII_100;
else
mode = XGBE_MODE_SGMII_1000;
@@ -1673,7 +1689,10 @@ static enum xgbe_mode xgbe_phy_an73_redrv_outcome(struct xgbe_prv_data *pdata)
break;
default:
if (phy_data->phydev &&
- (phy_data->phydev->speed == SPEED_100))
+ (phy_data->phydev->speed == SPEED_10))
+ mode = XGBE_MODE_SGMII_10;
+ else if (phy_data->phydev &&
+ (phy_data->phydev->speed == SPEED_100))
mode = XGBE_MODE_SGMII_100;
else
mode = XGBE_MODE_SGMII_1000;
@@ -2127,6 +2146,20 @@ static void xgbe_phy_sgmii_100_mode(struct xgbe_prv_data *pdata)
netif_dbg(pdata, link, pdata->netdev, "100MbE SGMII mode set\n");
}
+static void xgbe_phy_sgmii_10_mode(struct xgbe_prv_data *pdata)
+{
+ struct xgbe_phy_data *phy_data = pdata->phy_data;
+
+ xgbe_phy_set_redrv_mode(pdata);
+
+ /* 10M/SGMII */
+ xgbe_phy_perform_ratechange(pdata, XGBE_MB_CMD_SET_1G, XGBE_MB_SUBCMD_10MBITS);
+
+ phy_data->cur_mode = XGBE_MODE_SGMII_10;
+
+ netif_dbg(pdata, link, pdata->netdev, "10MbE SGMII mode set\n");
+}
+
static void xgbe_phy_kr_mode(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
@@ -2185,6 +2218,7 @@ static enum xgbe_mode xgbe_phy_switch_baset_mode(struct xgbe_prv_data *pdata)
return xgbe_phy_cur_mode(pdata);
switch (xgbe_phy_cur_mode(pdata)) {
+ case XGBE_MODE_SGMII_10:
case XGBE_MODE_SGMII_100:
case XGBE_MODE_SGMII_1000:
return XGBE_MODE_KR;
@@ -2252,6 +2286,8 @@ static enum xgbe_mode xgbe_phy_get_baset_mode(struct xgbe_phy_data *phy_data,
int speed)
{
switch (speed) {
+ case SPEED_10:
+ return XGBE_MODE_SGMII_10;
case SPEED_100:
return XGBE_MODE_SGMII_100;
case SPEED_1000:
@@ -2269,6 +2305,8 @@ static enum xgbe_mode xgbe_phy_get_sfp_mode(struct xgbe_phy_data *phy_data,
int speed)
{
switch (speed) {
+ case SPEED_10:
+ return XGBE_MODE_SGMII_10;
case SPEED_100:
return XGBE_MODE_SGMII_100;
case SPEED_1000:
@@ -2343,6 +2381,9 @@ static void xgbe_phy_set_mode(struct xgbe_prv_data *pdata, enum xgbe_mode mode)
case XGBE_MODE_KR:
xgbe_phy_kr_mode(pdata);
break;
+ case XGBE_MODE_SGMII_10:
+ xgbe_phy_sgmii_10_mode(pdata);
+ break;
case XGBE_MODE_SGMII_100:
xgbe_phy_sgmii_100_mode(pdata);
break;
@@ -2399,6 +2440,9 @@ static bool xgbe_phy_use_baset_mode(struct xgbe_prv_data *pdata,
struct ethtool_link_ksettings *lks = &pdata->phy.lks;
switch (mode) {
+ case XGBE_MODE_SGMII_10:
+ return xgbe_phy_check_mode(pdata, mode,
+ XGBE_ADV(lks, 10baseT_Full));
case XGBE_MODE_SGMII_100:
return xgbe_phy_check_mode(pdata, mode,
XGBE_ADV(lks, 100baseT_Full));
@@ -2428,6 +2472,11 @@ static bool xgbe_phy_use_sfp_mode(struct xgbe_prv_data *pdata,
return false;
return xgbe_phy_check_mode(pdata, mode,
XGBE_ADV(lks, 1000baseX_Full));
+ case XGBE_MODE_SGMII_10:
+ if (phy_data->sfp_base != XGBE_SFP_BASE_1000_T)
+ return false;
+ return xgbe_phy_check_mode(pdata, mode,
+ XGBE_ADV(lks, 10baseT_Full));
case XGBE_MODE_SGMII_100:
if (phy_data->sfp_base != XGBE_SFP_BASE_1000_T)
return false;
@@ -2520,10 +2569,17 @@ static bool xgbe_phy_valid_speed_basex_mode(struct xgbe_phy_data *phy_data,
}
}
-static bool xgbe_phy_valid_speed_baset_mode(struct xgbe_phy_data *phy_data,
+static bool xgbe_phy_valid_speed_baset_mode(struct xgbe_prv_data *pdata,
int speed)
{
+ struct xgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int ver;
+
switch (speed) {
+ case SPEED_10:
+ /* Supported in ver >= 30H */
+ ver = XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER);
+ return (ver >= 0x30) ? true : false;
case SPEED_100:
case SPEED_1000:
return true;
@@ -2536,10 +2592,17 @@ static bool xgbe_phy_valid_speed_baset_mode(struct xgbe_phy_data *phy_data,
}
}
-static bool xgbe_phy_valid_speed_sfp_mode(struct xgbe_phy_data *phy_data,
+static bool xgbe_phy_valid_speed_sfp_mode(struct xgbe_prv_data *pdata,
int speed)
{
+ struct xgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int ver;
+
switch (speed) {
+ case SPEED_10:
+ /* Supported in ver >= 30H */
+ ver = XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER);
+ return (ver >= 0x30) && (phy_data->sfp_speed == XGBE_SFP_SPEED_100_1000);
case SPEED_100:
return (phy_data->sfp_speed == XGBE_SFP_SPEED_100_1000);
case SPEED_1000:
@@ -2586,12 +2649,12 @@ static bool xgbe_phy_valid_speed(struct xgbe_prv_data *pdata, int speed)
case XGBE_PORT_MODE_1000BASE_T:
case XGBE_PORT_MODE_NBASE_T:
case XGBE_PORT_MODE_10GBASE_T:
- return xgbe_phy_valid_speed_baset_mode(phy_data, speed);
+ return xgbe_phy_valid_speed_baset_mode(pdata, speed);
case XGBE_PORT_MODE_1000BASE_X:
case XGBE_PORT_MODE_10GBASE_R:
return xgbe_phy_valid_speed_basex_mode(phy_data, speed);
case XGBE_PORT_MODE_SFP:
- return xgbe_phy_valid_speed_sfp_mode(phy_data, speed);
+ return xgbe_phy_valid_speed_sfp_mode(pdata, speed);
default:
return false;
}
@@ -2862,6 +2925,12 @@ static int xgbe_phy_mdio_reset_setup(struct xgbe_prv_data *pdata)
static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata)
{
struct xgbe_phy_data *phy_data = pdata->phy_data;
+ unsigned int ver;
+
+ /* 10 Mbps speed is not supported in ver < 30H */
+ ver = XGMAC_GET_BITS(pdata->hw_feat.version, MAC_VR, SNPSVER);
+ if (ver < 0x30 && (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10))
+ return true;
switch (phy_data->port_mode) {
case XGBE_PORT_MODE_BACKPLANE:
@@ -2875,7 +2944,8 @@ static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata)
return false;
break;
case XGBE_PORT_MODE_1000BASE_T:
- if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
+ if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10) ||
+ (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000))
return false;
break;
@@ -2884,13 +2954,15 @@ static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata)
return false;
break;
case XGBE_PORT_MODE_NBASE_T:
- if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
+ if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10) ||
+ (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_2500))
return false;
break;
case XGBE_PORT_MODE_10GBASE_T:
- if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
+ if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10) ||
+ (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10000))
return false;
@@ -2900,7 +2972,8 @@ static bool xgbe_phy_port_mode_mismatch(struct xgbe_prv_data *pdata)
return false;
break;
case XGBE_PORT_MODE_SFP:
- if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
+ if ((phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10) ||
+ (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000) ||
(phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10000))
return false;
@@ -3269,6 +3342,10 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
XGBE_SET_SUP(lks, Pause);
XGBE_SET_SUP(lks, Asym_Pause);
XGBE_SET_SUP(lks, TP);
+ if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10) {
+ XGBE_SET_SUP(lks, 10baseT_Full);
+ phy_data->start_mode = XGBE_MODE_SGMII_10;
+ }
if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) {
XGBE_SET_SUP(lks, 100baseT_Full);
phy_data->start_mode = XGBE_MODE_SGMII_100;
@@ -3299,6 +3376,10 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
XGBE_SET_SUP(lks, Pause);
XGBE_SET_SUP(lks, Asym_Pause);
XGBE_SET_SUP(lks, TP);
+ if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10) {
+ XGBE_SET_SUP(lks, 10baseT_Full);
+ phy_data->start_mode = XGBE_MODE_SGMII_10;
+ }
if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) {
XGBE_SET_SUP(lks, 100baseT_Full);
phy_data->start_mode = XGBE_MODE_SGMII_100;
@@ -3321,6 +3402,10 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
XGBE_SET_SUP(lks, Pause);
XGBE_SET_SUP(lks, Asym_Pause);
XGBE_SET_SUP(lks, TP);
+ if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10) {
+ XGBE_SET_SUP(lks, 10baseT_Full);
+ phy_data->start_mode = XGBE_MODE_SGMII_10;
+ }
if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100) {
XGBE_SET_SUP(lks, 100baseT_Full);
phy_data->start_mode = XGBE_MODE_SGMII_100;
@@ -3361,6 +3446,8 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata)
XGBE_SET_SUP(lks, Asym_Pause);
XGBE_SET_SUP(lks, TP);
XGBE_SET_SUP(lks, FIBRE);
+ if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_10)
+ phy_data->start_mode = XGBE_MODE_SGMII_10;
if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_100)
phy_data->start_mode = XGBE_MODE_SGMII_100;
if (phy_data->port_speeds & XGBE_PHY_PORT_SPEED_1000)
generated by cgit (git 2.34.1) at 2025-03-31 17:58:20 +0000