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path: root/drivers/net/tg3.c
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Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c102
1 files changed, 46 insertions, 56 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 69cd7cfa276..9ed6bfb8e69 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -970,6 +970,15 @@ static int tg3_phy_auxctl_write(struct tg3 *tp, int reg, u32 set)
return tg3_writephy(tp, MII_TG3_AUX_CTRL, set | reg);
}
+#define TG3_PHY_AUXCTL_SMDSP_ENABLE(tp) \
+ tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
+ MII_TG3_AUXCTL_ACTL_SMDSP_ENA | \
+ MII_TG3_AUXCTL_ACTL_TX_6DB)
+
+#define TG3_PHY_AUXCTL_SMDSP_DISABLE(tp) \
+ tg3_phy_auxctl_write((tp), MII_TG3_AUXCTL_SHDWSEL_AUXCTL, \
+ MII_TG3_AUXCTL_ACTL_TX_6DB);
+
static int tg3_bmcr_reset(struct tg3 *tp)
{
u32 phy_control;
@@ -1738,11 +1747,8 @@ static void tg3_phy_apply_otp(struct tg3 *tp)
otp = tp->phy_otp;
- /* Enable SM_DSP clock and tx 6dB coding. */
- phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
- MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
- MII_TG3_AUXCTL_ACTL_TX_6DB;
- tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
+ if (TG3_PHY_AUXCTL_SMDSP_ENABLE(tp))
+ return;
phy = ((otp & TG3_OTP_AGCTGT_MASK) >> TG3_OTP_AGCTGT_SHIFT);
phy |= MII_TG3_DSP_TAP1_AGCTGT_DFLT;
@@ -1766,10 +1772,7 @@ static void tg3_phy_apply_otp(struct tg3 *tp)
((otp & TG3_OTP_RCOFF_MASK) >> TG3_OTP_RCOFF_SHIFT);
tg3_phydsp_write(tp, MII_TG3_DSP_EXP97, phy);
- /* Turn off SM_DSP clock. */
- phy = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
- MII_TG3_AUXCTL_ACTL_TX_6DB;
- tg3_writephy(tp, MII_TG3_AUX_CTRL, phy);
+ TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
}
static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
@@ -1804,18 +1807,11 @@ static void tg3_phy_eee_adjust(struct tg3 *tp, u32 current_link_up)
case ASIC_REV_5717:
case ASIC_REV_5719:
case ASIC_REV_57765:
- /* Enable SM_DSP clock and tx 6dB coding. */
- val = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
- MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
- MII_TG3_AUXCTL_ACTL_TX_6DB;
- tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
-
- tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, 0x0000);
-
- /* Turn off SM_DSP clock. */
- val = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
- MII_TG3_AUXCTL_ACTL_TX_6DB;
- tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
+ if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+ tg3_phydsp_write(tp, MII_TG3_DSP_TAP26,
+ 0x0000);
+ TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+ }
}
/* Fallthrough */
case TG3_CL45_D7_EEERES_STAT_LP_100TX:
@@ -1967,8 +1963,9 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
(MII_TG3_CTRL_AS_MASTER |
MII_TG3_CTRL_ENABLE_AS_MASTER));
- /* Enable SM_DSP_CLOCK and 6dB. */
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
+ err = TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
+ if (err)
+ return err;
/* Block the PHY control access. */
tg3_phydsp_write(tp, 0x8005, 0x0800);
@@ -1987,13 +1984,7 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp)
tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x8200);
tg3_writephy(tp, MII_TG3_DSP_CONTROL, 0x0000);
- if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5703 ||
- GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
- /* Set Extended packet length bit for jumbo frames */
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x4400);
- } else {
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
- }
+ TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
tg3_writephy(tp, MII_TG3_CTRL, phy9_orig);
@@ -2081,33 +2072,39 @@ static int tg3_phy_reset(struct tg3 *tp)
tg3_phy_toggle_apd(tp, false);
out:
- if (tp->phy_flags & TG3_PHYFLG_ADC_BUG) {
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
+ if ((tp->phy_flags & TG3_PHYFLG_ADC_BUG) &&
+ !TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
tg3_phydsp_write(tp, 0x201f, 0x2aaa);
tg3_phydsp_write(tp, 0x000a, 0x0323);
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
+ TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
}
+
if (tp->phy_flags & TG3_PHYFLG_5704_A0_BUG) {
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
tg3_writephy(tp, MII_TG3_MISC_SHDW, 0x8d68);
}
+
if (tp->phy_flags & TG3_PHYFLG_BER_BUG) {
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
- tg3_phydsp_write(tp, 0x000a, 0x310b);
- tg3_phydsp_write(tp, 0x201f, 0x9506);
- tg3_phydsp_write(tp, 0x401f, 0x14e2);
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
+ if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+ tg3_phydsp_write(tp, 0x000a, 0x310b);
+ tg3_phydsp_write(tp, 0x201f, 0x9506);
+ tg3_phydsp_write(tp, 0x401f, 0x14e2);
+ TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+ }
} else if (tp->phy_flags & TG3_PHYFLG_JITTER_BUG) {
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0c00);
- tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
- if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
- tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
- tg3_writephy(tp, MII_TG3_TEST1,
- MII_TG3_TEST1_TRIM_EN | 0x4);
- } else
- tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
- tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x0400);
+ if (!TG3_PHY_AUXCTL_SMDSP_ENABLE(tp)) {
+ tg3_writephy(tp, MII_TG3_DSP_ADDRESS, 0x000a);
+ if (tp->phy_flags & TG3_PHYFLG_ADJUST_TRIM) {
+ tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x110b);
+ tg3_writephy(tp, MII_TG3_TEST1,
+ MII_TG3_TEST1_TRIM_EN | 0x4);
+ } else
+ tg3_writephy(tp, MII_TG3_DSP_RW_PORT, 0x010b);
+
+ TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
+ }
}
+
/* Set Extended packet length bit (bit 14) on all chips that */
/* support jumbo frames */
if ((tp->phy_id & TG3_PHY_ID_MASK) == TG3_PHY_ID_BCM5401) {
@@ -3011,11 +3008,7 @@ static void tg3_phy_copper_begin(struct tg3 *tp)
tw32(TG3_CPMU_EEE_MODE,
tr32(TG3_CPMU_EEE_MODE) & ~TG3_CPMU_EEEMD_LPI_ENABLE);
- /* Enable SM_DSP clock and tx 6dB coding. */
- val = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
- MII_TG3_AUXCTL_ACTL_SMDSP_ENA |
- MII_TG3_AUXCTL_ACTL_TX_6DB;
- tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
+ TG3_PHY_AUXCTL_SMDSP_ENABLE(tp);
switch (GET_ASIC_REV(tp->pci_chip_rev_id)) {
case ASIC_REV_5717:
@@ -3044,10 +3037,7 @@ static void tg3_phy_copper_begin(struct tg3 *tp)
}
tg3_phy_cl45_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
- /* Turn off SM_DSP clock. */
- val = MII_TG3_AUXCTL_SHDWSEL_AUXCTL |
- MII_TG3_AUXCTL_ACTL_TX_6DB;
- tg3_writephy(tp, MII_TG3_AUX_CTRL, val);
+ TG3_PHY_AUXCTL_SMDSP_DISABLE(tp);
}
if (tp->link_config.autoneg == AUTONEG_DISABLE &&
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 20:05:07 +0000