via-velocity: forced 1000 Mbps mode support.

Full duplex only. Half duplex 1000 Mbps is not supported.

Signed-off-by: David Lv <DavidLv@viatech.com.cn>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Seguier Regis <rseguier@e-teleport.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 76 insertions, 6 deletions

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 6884813b809c..f1995615dc84 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -312,13 +312,14 @@ VELOCITY_PARAM(flow_control, "Enable flow control ability");
 
 #define MED_LNK_DEF 0
 #define MED_LNK_MIN 0
-#define MED_LNK_MAX 4
+#define MED_LNK_MAX 5
 /* speed_duplex[] is used for setting the speed and duplex mode of NIC.
    0: indicate autonegotiation for both speed and duplex mode
    1: indicate 100Mbps half duplex mode
    2: indicate 100Mbps full duplex mode
    3: indicate 10Mbps half duplex mode
    4: indicate 10Mbps full duplex mode
+   5: indicate 1000Mbps full duplex mode
 
    Note:
    if EEPROM have been set to the force mode, this option is ignored
@@ -617,6 +618,9 @@ static u32 velocity_get_opt_media_mode(struct velocity_info *vptr)
         case SPD_DPX_10_HALF:
                 status = VELOCITY_SPEED_10;
                 break;
+        case SPD_DPX_1000_FULL:
+                status = VELOCITY_SPEED_1000 | VELOCITY_DUPLEX_FULL;
+                break;
         }
         vptr->mii_status = status;
         return status;
@@ -922,6 +926,7 @@ static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
                 /* enable AUTO-NEGO mode */
                 mii_set_auto_on(vptr);
         } else {
+                u16 CTRL1000;
                 u16 ANAR;
                 u8 CHIPGCR;
 
@@ -936,7 +941,11 @@ static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
                 BYTE_REG_BITS_ON(CHIPGCR_FCMODE, &regs->CHIPGCR);
 
                 CHIPGCR = readb(&regs->CHIPGCR);
-                CHIPGCR &= ~CHIPGCR_FCGMII;
+
+                if (mii_status & VELOCITY_SPEED_1000)
+                        CHIPGCR |= CHIPGCR_FCGMII;
+                else
+                        CHIPGCR &= ~CHIPGCR_FCGMII;
 
                 if (mii_status & VELOCITY_DUPLEX_FULL) {
                         CHIPGCR |= CHIPGCR_FCFDX;
@@ -952,7 +961,13 @@ static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
                                 BYTE_REG_BITS_ON(TCR_TB2BDIS, &regs->TCR);
                 }
 
-                MII_REG_BITS_OFF(ADVERTISE_1000FULL | ADVERTISE_1000HALF, MII_CTRL1000, vptr->mac_regs);
+                velocity_mii_read(vptr->mac_regs, MII_CTRL1000, &CTRL1000);
+                CTRL1000 &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
+                if ((mii_status & VELOCITY_SPEED_1000) &&
+                    (mii_status & VELOCITY_DUPLEX_FULL)) {
+                        CTRL1000 |= ADVERTISE_1000FULL;
+                }
+                velocity_mii_write(vptr->mac_regs, MII_CTRL1000, CTRL1000);
 
                 if (!(mii_status & VELOCITY_DUPLEX_FULL) && (mii_status & VELOCITY_SPEED_10))
                         BYTE_REG_BITS_OFF(TESTCFG_HBDIS, &regs->TESTCFG);
@@ -967,7 +982,7 @@ static int velocity_set_media_mode(struct velocity_info *vptr, u32 mii_status)
                                 ANAR |= ADVERTISE_100FULL;
                         else
                                 ANAR |= ADVERTISE_100HALF;
-                } else {
+                } else if (mii_status & VELOCITY_SPEED_10) {
                         if (mii_status & VELOCITY_DUPLEX_FULL)
                                 ANAR |= ADVERTISE_10FULL;
                         else
@@ -1013,6 +1028,9 @@ static void velocity_print_link_status(struct velocity_info *vptr)
         } else {
                 VELOCITY_PRT(MSG_LEVEL_INFO, KERN_NOTICE "%s: Link forced", vptr->dev->name);
                 switch (vptr->options.spd_dpx) {
+                case SPD_DPX_1000_FULL:
+                        VELOCITY_PRT(MSG_LEVEL_INFO, " speed 1000M bps full duplex\n");
+                        break;
                 case SPD_DPX_100_HALF:
                         VELOCITY_PRT(MSG_LEVEL_INFO, " speed 100M bps half duplex\n");
                         break;
@@ -3170,6 +3188,37 @@ static int velocity_get_settings(struct net_device *dev, struct ethtool_cmd *cmd
                         SUPPORTED_100baseT_Full |
                         SUPPORTED_1000baseT_Half |
                         SUPPORTED_1000baseT_Full;
+
+        cmd->advertising = ADVERTISED_TP | ADVERTISED_Autoneg;
+        if (vptr->options.spd_dpx == SPD_DPX_AUTO) {
+                cmd->advertising |=
+                        ADVERTISED_10baseT_Half |
+                        ADVERTISED_10baseT_Full |
+                        ADVERTISED_100baseT_Half |
+                        ADVERTISED_100baseT_Full |
+                        ADVERTISED_1000baseT_Half |
+                        ADVERTISED_1000baseT_Full;
+        } else {
+                switch (vptr->options.spd_dpx) {
+                case SPD_DPX_1000_FULL:
+                        cmd->advertising |= ADVERTISED_1000baseT_Full;
+                        break;
+                case SPD_DPX_100_HALF:
+                        cmd->advertising |= ADVERTISED_100baseT_Half;
+                        break;
+                case SPD_DPX_100_FULL:
+                        cmd->advertising |= ADVERTISED_100baseT_Full;
+                        break;
+                case SPD_DPX_10_HALF:
+                        cmd->advertising |= ADVERTISED_10baseT_Half;
+                        break;
+                case SPD_DPX_10_FULL:
+                        cmd->advertising |= ADVERTISED_10baseT_Full;
+                        break;
+                default:
+                        break;
+                }
+        }
         if (status & VELOCITY_SPEED_1000)
                 cmd->speed = SPEED_1000;
         else if (status & VELOCITY_SPEED_100)
@@ -3200,14 +3249,35 @@ static int velocity_set_settings(struct net_device *dev, struct ethtool_cmd *cmd
         curr_status &= (~VELOCITY_LINK_FAIL);
 
         new_status |= ((cmd->autoneg) ? VELOCITY_AUTONEG_ENABLE : 0);
+        new_status |= ((cmd->speed == SPEED_1000) ? VELOCITY_SPEED_1000 : 0);
         new_status |= ((cmd->speed == SPEED_100) ? VELOCITY_SPEED_100 : 0);
         new_status |= ((cmd->speed == SPEED_10) ? VELOCITY_SPEED_10 : 0);
         new_status |= ((cmd->duplex == DUPLEX_FULL) ? VELOCITY_DUPLEX_FULL : 0);
 
-        if ((new_status & VELOCITY_AUTONEG_ENABLE) && (new_status != (curr_status | VELOCITY_AUTONEG_ENABLE)))
+        if ((new_status & VELOCITY_AUTONEG_ENABLE) &&
+            (new_status != (curr_status | VELOCITY_AUTONEG_ENABLE))) {
                 ret = -EINVAL;
-        else
+        } else {
+                enum speed_opt spd_dpx;
+
+                if (new_status & VELOCITY_AUTONEG_ENABLE)
+                        spd_dpx = SPD_DPX_AUTO;
+                else if ((new_status & VELOCITY_SPEED_1000) &&
+                         (new_status & VELOCITY_DUPLEX_FULL)) {
+                        spd_dpx = SPD_DPX_1000_FULL;
+                } else if (new_status & VELOCITY_SPEED_100)
+                        spd_dpx = (new_status & VELOCITY_DUPLEX_FULL) ?
+                                SPD_DPX_100_FULL : SPD_DPX_100_HALF;
+                else if (new_status & VELOCITY_SPEED_10)
+                        spd_dpx = (new_status & VELOCITY_DUPLEX_FULL) ?
+                                SPD_DPX_10_FULL : SPD_DPX_10_HALF;
+                else
+                        return -EOPNOTSUPP;
+
+                vptr->options.spd_dpx = spd_dpx;
+
                 velocity_set_media_mode(vptr, new_status);
+        }
 
         return ret;
 }