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Message-ID: <20101013192605.GA5157@electric-eye.fr.zoreil.com>
Date: Wed, 13 Oct 2010 21:26:05 +0200
From: Francois Romieu <romieu@...zoreil.com>
To: David Lv <davidlv.linux@...il.com>
Cc: netdev@...r.kernel.org, DavidLv@...tech.com.cn,
ShirleyHu@...tech.com.cn, AndersMa@...tech.com.cn,
"David S. Miller" <davem@...emloft.net>,
Seguier Regis <rseguier@...eleport.net>
Subject: [PATCH] via-velocity: forced 1000 Mbps mode support.
Full duplex only. Half duplex 1000 Mbps is not supported.
Signed-off-by: David Lv <DavidLv@...tech.com.cn>
Acked-by: Francois Romieu <romieu@...zoreil.com>
Tested-by: Seguier Regis <rseguier@...eleport.net>
---
David (Lv), your mail agent apparently wrapped some more-than-80-columns lines
in the patch, thus making it unusable. I fixed it.
drivers/net/via-velocity.c | 82 ++++++++++++++++++++++++++++++++++++++++---
drivers/net/via-velocity.h | 5 ++-
2 files changed, 79 insertions(+), 8 deletions(-)
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index f534123..b21a3d9 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, ®s->CHIPGCR);
CHIPGCR = readb(®s->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, ®s->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, ®s->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;
}
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h
index f7b33ae..df55f6c 100644
--- a/drivers/net/via-velocity.h
+++ b/drivers/net/via-velocity.h
@@ -848,7 +848,7 @@ enum velocity_owner {
* Bits in CHIPGCR register
*/
-#define CHIPGCR_FCGMII 0x80
+#define CHIPGCR_FCGMII 0x80 /* enable GMII mode */
#define CHIPGCR_FCFDX 0x40
#define CHIPGCR_FCRESV 0x20
#define CHIPGCR_FCMODE 0x10
@@ -1390,7 +1390,8 @@ enum speed_opt {
SPD_DPX_100_HALF = 1,
SPD_DPX_100_FULL = 2,
SPD_DPX_10_HALF = 3,
- SPD_DPX_10_FULL = 4
+ SPD_DPX_10_FULL = 4,
+ SPD_DPX_1000_FULL = 5
};
enum velocity_init_type {
--
1.7.2.3
--
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