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path: root/drivers/net/skge.c
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Diffstat (limited to 'drivers/net/skge.c')
-rw-r--r--drivers/net/skge.c355
1 files changed, 138 insertions, 217 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index c29e187f90c..68de7f748a8 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -621,16 +621,8 @@ static void skge_led_on(struct skge_hw *hw, int port)
skge_write32(hw, SK_REG(port, RX_LED_VAL), 100);
skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_START);
- switch (hw->phy_type) {
- case SK_PHY_BCOM:
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL,
- PHY_B_PEC_LED_ON);
- break;
- default:
- skge_write8(hw, SK_REG(port, TX_LED_TST), LED_T_ON);
- skge_write32(hw, SK_REG(port, TX_LED_VAL), 100);
- skge_write8(hw, SK_REG(port, TX_LED_CTRL), LED_START);
- }
+ /* For Broadcom Phy only */
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_ON);
} else {
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
gm_phy_write(hw, port, PHY_MARV_LED_OVER,
@@ -651,15 +643,8 @@ static void skge_led_off(struct skge_hw *hw, int port)
skge_write32(hw, SK_REG(port, RX_LED_VAL), 0);
skge_write8(hw, SK_REG(port, RX_LED_CTRL), LED_T_OFF);
- switch (hw->phy_type) {
- case SK_PHY_BCOM:
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL,
- PHY_B_PEC_LED_OFF);
- break;
- default:
- skge_write32(hw, SK_REG(port, TX_LED_VAL), 0);
- skge_write8(hw, SK_REG(port, TX_LED_CTRL), LED_T_OFF);
- }
+ /* Broadcom only */
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, PHY_B_PEC_LED_OFF);
} else {
gm_phy_write(hw, port, PHY_MARV_LED_CTRL, 0);
gm_phy_write(hw, port, PHY_MARV_LED_OVER,
@@ -887,21 +872,21 @@ static u16 xm_phy_read(struct skge_hw *hw, int port, u16 reg)
xm_write16(hw, port, XM_PHY_ADDR, reg | hw->phy_addr);
v = xm_read16(hw, port, XM_PHY_DATA);
- if (hw->phy_type != SK_PHY_XMAC) {
- for (i = 0; i < PHY_RETRIES; i++) {
- udelay(1);
- if (xm_read16(hw, port, XM_MMU_CMD)
- & XM_MMU_PHY_RDY)
- goto ready;
- }
- printk(KERN_WARNING PFX "%s: phy read timed out\n",
- hw->dev[port]->name);
- return 0;
- ready:
- v = xm_read16(hw, port, XM_PHY_DATA);
+ /* Need to wait for external PHY */
+ for (i = 0; i < PHY_RETRIES; i++) {
+ udelay(1);
+ if (xm_read16(hw, port, XM_MMU_CMD)
+ & XM_MMU_PHY_RDY)
+ goto ready;
}
+ printk(KERN_WARNING PFX "%s: phy read timed out\n",
+ hw->dev[port]->name);
+ return 0;
+ ready:
+ v = xm_read16(hw, port, XM_PHY_DATA);
+
return v;
}
@@ -913,7 +898,7 @@ static void xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val)
for (i = 0; i < PHY_RETRIES; i++) {
if (!(xm_read16(hw, port, XM_MMU_CMD) & XM_MMU_PHY_BUSY))
goto ready;
- cpu_relax();
+ udelay(1);
}
printk(KERN_WARNING PFX "%s: phy write failed to come ready\n",
hw->dev[port]->name);
@@ -970,9 +955,8 @@ static void genesis_reset(struct skge_hw *hw, int port)
xm_write16(hw, port, XM_TX_CMD, 0); /* reset TX CMD Reg */
xm_write16(hw, port, XM_RX_CMD, 0); /* reset RX CMD Reg */
- /* disable all PHY IRQs */
- if (hw->phy_type == SK_PHY_BCOM)
- xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
+ /* disable Broadcom PHY IRQ */
+ xm_write16(hw, port, PHY_BCOM_INT_MASK, 0xffff);
xm_outhash(hw, port, XM_HSM, (u8 *) &zero);
for (i = 0; i < 15; i++)
@@ -1020,54 +1004,55 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
* GMII mode.
*/
spin_lock_bh(&hw->phy_lock);
- if (hw->phy_type != SK_PHY_XMAC) {
- /* Take PHY out of reset. */
- r = skge_read32(hw, B2_GP_IO);
- if (port == 0)
- r |= GP_DIR_0|GP_IO_0;
- else
- r |= GP_DIR_2|GP_IO_2;
-
- skge_write32(hw, B2_GP_IO, r);
- skge_read32(hw, B2_GP_IO);
-
- /* Enable GMII mode on the XMAC. */
- xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
-
- id1 = xm_phy_read(hw, port, PHY_XMAC_ID1);
-
- /* Optimize MDIO transfer by suppressing preamble. */
- xm_write16(hw, port, XM_MMU_CMD,
- xm_read16(hw, port, XM_MMU_CMD)
- | XM_MMU_NO_PRE);
-
- if (id1 == PHY_BCOM_ID1_C0) {
- /*
- * Workaround BCOM Errata for the C0 type.
- * Write magic patterns to reserved registers.
- */
- for (i = 0; i < ARRAY_SIZE(C0hack); i++)
- xm_phy_write(hw, port,
- C0hack[i].reg, C0hack[i].val);
-
- } else if (id1 == PHY_BCOM_ID1_A1) {
- /*
- * Workaround BCOM Errata for the A1 type.
- * Write magic patterns to reserved registers.
- */
- for (i = 0; i < ARRAY_SIZE(A1hack); i++)
- xm_phy_write(hw, port,
- A1hack[i].reg, A1hack[i].val);
- }
+ /* External Phy Handling */
+ /* Take PHY out of reset. */
+ r = skge_read32(hw, B2_GP_IO);
+ if (port == 0)
+ r |= GP_DIR_0|GP_IO_0;
+ else
+ r |= GP_DIR_2|GP_IO_2;
+
+ skge_write32(hw, B2_GP_IO, r);
+ skge_read32(hw, B2_GP_IO);
+
+ /* Enable GMII mode on the XMAC. */
+ xm_write16(hw, port, XM_HW_CFG, XM_HW_GMII_MD);
+
+ id1 = xm_phy_read(hw, port, PHY_XMAC_ID1);
+
+ /* Optimize MDIO transfer by suppressing preamble. */
+ xm_write16(hw, port, XM_MMU_CMD,
+ xm_read16(hw, port, XM_MMU_CMD)
+ | XM_MMU_NO_PRE);
+
+ if (id1 == PHY_BCOM_ID1_C0) {
/*
- * Workaround BCOM Errata (#10523) for all BCom PHYs.
- * Disable Power Management after reset.
+ * Workaround BCOM Errata for the C0 type.
+ * Write magic patterns to reserved registers.
*/
- r = xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL);
- xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL, r | PHY_B_AC_DIS_PM);
+ for (i = 0; i < ARRAY_SIZE(C0hack); i++)
+ xm_phy_write(hw, port,
+ C0hack[i].reg, C0hack[i].val);
+
+ } else if (id1 == PHY_BCOM_ID1_A1) {
+ /*
+ * Workaround BCOM Errata for the A1 type.
+ * Write magic patterns to reserved registers.
+ */
+ for (i = 0; i < ARRAY_SIZE(A1hack); i++)
+ xm_phy_write(hw, port,
+ A1hack[i].reg, A1hack[i].val);
}
+ /*
+ * Workaround BCOM Errata (#10523) for all BCom PHYs.
+ * Disable Power Management after reset.
+ */
+ r = xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL);
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL, r | PHY_B_AC_DIS_PM);
+
+
/* Dummy read */
xm_read16(hw, port, XM_ISRC);
@@ -1098,8 +1083,8 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
*/
r = xm_read32(hw, port, XM_MODE);
xm_write32(hw, port, XM_MODE,
- XM_MD_RX_CRCE|XM_MD_RX_LONG|XM_MD_RX_RUNT|
- XM_MD_RX_ERR|XM_MD_RX_IRLE);
+ XM_MD_RX_CRCE|XM_MD_RX_LONG|XM_MD_RX_RUNT|
+ XM_MD_RX_ERR|XM_MD_RX_IRLE);
xm_outaddr(hw, port, XM_SA, hw->dev[port]->dev_addr);
xm_outaddr(hw, port, XM_EXM(0), hw->dev[port]->dev_addr);
@@ -1150,103 +1135,70 @@ static void genesis_mac_init(struct skge_hw *hw, int port)
else
xm_write16(hw, port, XM_RX_CMD, r & ~(XM_RX_BIG_PK_OK));
- switch (hw->phy_type) {
- case SK_PHY_XMAC:
- if (skge->autoneg == AUTONEG_ENABLE) {
- ctrl1 = PHY_X_AN_FD | PHY_X_AN_HD;
+ /* Broadcom phy initialization */
+ ctrl1 = PHY_CT_SP1000;
+ ctrl2 = 0;
+ ctrl3 = PHY_AN_CSMA;
+ ctrl4 = PHY_B_PEC_EN_LTR;
+ ctrl5 = PHY_B_AC_TX_TST;
- switch (skge->flow_control) {
- case FLOW_MODE_NONE:
- ctrl1 |= PHY_X_P_NO_PAUSE;
- break;
- case FLOW_MODE_LOC_SEND:
- ctrl1 |= PHY_X_P_ASYM_MD;
- break;
- case FLOW_MODE_SYMMETRIC:
- ctrl1 |= PHY_X_P_SYM_MD;
- break;
- case FLOW_MODE_REM_SEND:
- ctrl1 |= PHY_X_P_BOTH_MD;
- break;
- }
-
- xm_phy_write(hw, port, PHY_XMAC_AUNE_ADV, ctrl1);
- ctrl2 = PHY_CT_ANE | PHY_CT_RE_CFG;
- } else {
- ctrl2 = 0;
- if (skge->duplex == DUPLEX_FULL)
- ctrl2 |= PHY_CT_DUP_MD;
+ if (skge->autoneg == AUTONEG_ENABLE) {
+ /*
+ * Workaround BCOM Errata #1 for the C5 type.
+ * 1000Base-T Link Acquisition Failure in Slave Mode
+ * Set Repeater/DTE bit 10 of the 1000Base-T Control Register
+ */
+ ctrl2 |= PHY_B_1000C_RD;
+ if (skge->advertising & ADVERTISED_1000baseT_Half)
+ ctrl2 |= PHY_B_1000C_AHD;
+ if (skge->advertising & ADVERTISED_1000baseT_Full)
+ ctrl2 |= PHY_B_1000C_AFD;
+
+ /* Set Flow-control capabilities */
+ switch (skge->flow_control) {
+ case FLOW_MODE_NONE:
+ ctrl3 |= PHY_B_P_NO_PAUSE;
+ break;
+ case FLOW_MODE_LOC_SEND:
+ ctrl3 |= PHY_B_P_ASYM_MD;
+ break;
+ case FLOW_MODE_SYMMETRIC:
+ ctrl3 |= PHY_B_P_SYM_MD;
+ break;
+ case FLOW_MODE_REM_SEND:
+ ctrl3 |= PHY_B_P_BOTH_MD;
+ break;
}
- xm_phy_write(hw, port, PHY_XMAC_CTRL, ctrl2);
- break;
-
- case SK_PHY_BCOM:
- ctrl1 = PHY_CT_SP1000;
- ctrl2 = 0;
- ctrl3 = PHY_AN_CSMA;
- ctrl4 = PHY_B_PEC_EN_LTR;
- ctrl5 = PHY_B_AC_TX_TST;
-
- if (skge->autoneg == AUTONEG_ENABLE) {
- /*
- * Workaround BCOM Errata #1 for the C5 type.
- * 1000Base-T Link Acquisition Failure in Slave Mode
- * Set Repeater/DTE bit 10 of the 1000Base-T Control Register
- */
- ctrl2 |= PHY_B_1000C_RD;
- if (skge->advertising & ADVERTISED_1000baseT_Half)
- ctrl2 |= PHY_B_1000C_AHD;
- if (skge->advertising & ADVERTISED_1000baseT_Full)
- ctrl2 |= PHY_B_1000C_AFD;
-
- /* Set Flow-control capabilities */
- switch (skge->flow_control) {
- case FLOW_MODE_NONE:
- ctrl3 |= PHY_B_P_NO_PAUSE;
- break;
- case FLOW_MODE_LOC_SEND:
- ctrl3 |= PHY_B_P_ASYM_MD;
- break;
- case FLOW_MODE_SYMMETRIC:
- ctrl3 |= PHY_B_P_SYM_MD;
- break;
- case FLOW_MODE_REM_SEND:
- ctrl3 |= PHY_B_P_BOTH_MD;
- break;
- }
-
- /* Restart Auto-negotiation */
- ctrl1 |= PHY_CT_ANE | PHY_CT_RE_CFG;
- } else {
- if (skge->duplex == DUPLEX_FULL)
- ctrl1 |= PHY_CT_DUP_MD;
-
- ctrl2 |= PHY_B_1000C_MSE; /* set it to Slave */
- }
+ /* Restart Auto-negotiation */
+ ctrl1 |= PHY_CT_ANE | PHY_CT_RE_CFG;
+ } else {
+ if (skge->duplex == DUPLEX_FULL)
+ ctrl1 |= PHY_CT_DUP_MD;
- xm_phy_write(hw, port, PHY_BCOM_1000T_CTRL, ctrl2);
- xm_phy_write(hw, port, PHY_BCOM_AUNE_ADV, ctrl3);
+ ctrl2 |= PHY_B_1000C_MSE; /* set it to Slave */
+ }
- if (skge->netdev->mtu > ETH_DATA_LEN) {
- ctrl4 |= PHY_B_PEC_HIGH_LA;
- ctrl5 |= PHY_B_AC_LONG_PACK;
+ xm_phy_write(hw, port, PHY_BCOM_1000T_CTRL, ctrl2);
+ xm_phy_write(hw, port, PHY_BCOM_AUNE_ADV, ctrl3);
- xm_phy_write(hw, port,PHY_BCOM_AUX_CTRL, ctrl5);
- }
+ if (skge->netdev->mtu > ETH_DATA_LEN) {
+ ctrl4 |= PHY_B_PEC_HIGH_LA;
+ ctrl5 |= PHY_B_AC_LONG_PACK;
- xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, ctrl4);
- xm_phy_write(hw, port, PHY_BCOM_CTRL, ctrl1);
- break;
+ xm_phy_write(hw, port,PHY_BCOM_AUX_CTRL, ctrl5);
}
+
+ xm_phy_write(hw, port, PHY_BCOM_P_EXT_CTRL, ctrl4);
+ xm_phy_write(hw, port, PHY_BCOM_CTRL, ctrl1);
spin_unlock_bh(&hw->phy_lock);
/* Clear MIB counters */
xm_write16(hw, port, XM_STAT_CMD,
- XM_SC_CLR_RXC | XM_SC_CLR_TXC);
+ XM_SC_CLR_RXC | XM_SC_CLR_TXC);
/* Clear two times according to Errata #3 */
xm_write16(hw, port, XM_STAT_CMD,
- XM_SC_CLR_RXC | XM_SC_CLR_TXC);
+ XM_SC_CLR_RXC | XM_SC_CLR_TXC);
/* Start polling for link status */
mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
@@ -1256,6 +1208,7 @@ static void genesis_stop(struct skge_port *skge)
{
struct skge_hw *hw = skge->hw;
int port = skge->port;
+ u32 reg;
/* Clear Tx packet arbiter timeout IRQ */
skge_write16(hw, B3_PA_CTRL,
@@ -1273,19 +1226,16 @@ static void genesis_stop(struct skge_port *skge)
skge_write16(hw, SK_REG(port, TX_MFF_CTRL1), MFF_SET_MAC_RST);
/* For external PHYs there must be special handling */
- if (hw->phy_type != SK_PHY_XMAC) {
- u32 reg = skge_read32(hw, B2_GP_IO);
-
- if (port == 0) {
- reg |= GP_DIR_0;
- reg &= ~GP_IO_0;
- } else {
- reg |= GP_DIR_2;
- reg &= ~GP_IO_2;
- }
- skge_write32(hw, B2_GP_IO, reg);
- skge_read32(hw, B2_GP_IO);
+ reg = skge_read32(hw, B2_GP_IO);
+ if (port == 0) {
+ reg |= GP_DIR_0;
+ reg &= ~GP_IO_0;
+ } else {
+ reg |= GP_DIR_2;
+ reg &= ~GP_IO_2;
}
+ skge_write32(hw, B2_GP_IO, reg);
+ skge_read32(hw, B2_GP_IO);
xm_write16(hw, port, XM_MMU_CMD,
xm_read16(hw, port, XM_MMU_CMD)
@@ -1329,16 +1279,6 @@ static void genesis_mac_intr(struct skge_hw *hw, int port)
u16 status = xm_read16(hw, port, XM_ISRC);
pr_debug("genesis_intr status %x\n", status);
- if (hw->phy_type == SK_PHY_XMAC) {
- /* LInk down, start polling for state change */
- if (status & XM_IS_INP_ASS) {
- xm_write16(hw, port, XM_IMSK,
- xm_read16(hw, port, XM_IMSK) | XM_IS_INP_ASS);
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
- }
- else if (status & XM_IS_AND)
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
- }
if (status & XM_IS_TXF_UR) {
xm_write32(hw, port, XM_MODE, XM_MD_FTF);
@@ -1458,28 +1398,25 @@ static void genesis_link_up(struct skge_port *skge)
xm_write32(hw, port, XM_MODE, mode);
msk = XM_DEF_MSK;
- if (hw->phy_type != SK_PHY_XMAC)
- msk |= XM_IS_INP_ASS; /* disable GP0 interrupt bit */
+ /* disable GP0 interrupt bit for external Phy */
+ msk |= XM_IS_INP_ASS;
xm_write16(hw, port, XM_IMSK, msk);
xm_read16(hw, port, XM_ISRC);
/* get MMU Command Reg. */
cmd = xm_read16(hw, port, XM_MMU_CMD);
- if (hw->phy_type != SK_PHY_XMAC && skge->duplex == DUPLEX_FULL)
+ if (skge->duplex == DUPLEX_FULL)
cmd |= XM_MMU_GMII_FD;
- if (hw->phy_type == SK_PHY_BCOM) {
- /*
- * Workaround BCOM Errata (#10523) for all BCom Phys
- * Enable Power Management after link up
- */
- xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
- xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL)
- & ~PHY_B_AC_DIS_PM);
- xm_phy_write(hw, port, PHY_BCOM_INT_MASK,
- PHY_B_DEF_MSK);
- }
+ /*
+ * Workaround BCOM Errata (#10523) for all BCom Phys
+ * Enable Power Management after link up
+ */
+ xm_phy_write(hw, port, PHY_BCOM_AUX_CTRL,
+ xm_phy_read(hw, port, PHY_BCOM_AUX_CTRL)
+ & ~PHY_B_AC_DIS_PM);
+ xm_phy_write(hw, port, PHY_BCOM_INT_MASK, PHY_B_DEF_MSK);
/* enable Rx/Tx */
xm_write16(hw, port, XM_MMU_CMD,
@@ -1551,25 +1488,12 @@ static void skge_link_timer(unsigned long __arg)
{
struct skge_port *skge = (struct skge_port *) __arg;
struct skge_hw *hw = skge->hw;
- int port = skge->port;
if (hw->chip_id != CHIP_ID_GENESIS || !netif_running(skge->netdev))
return;
spin_lock_bh(&hw->phy_lock);
- if (hw->phy_type == SK_PHY_BCOM)
- genesis_bcom_intr(skge);
- else {
- int i;
- for (i = 0; i < 3; i++)
- if (xm_read16(hw, port, XM_ISRC) & XM_IS_INP_ASS)
- break;
-
- if (i == 3)
- mod_timer(&skge->link_check, jiffies + LINK_POLL_HZ);
- else
- genesis_link_up(skge);
- }
+ genesis_bcom_intr(skge);
spin_unlock_bh(&hw->phy_lock);
}
@@ -2737,7 +2661,7 @@ static void skge_extirq(unsigned long data)
if (hw->chip_id != CHIP_ID_GENESIS)
yukon_phy_intr(skge);
- else if (hw->phy_type == SK_PHY_BCOM)
+ else
genesis_bcom_intr(skge);
}
}
@@ -2886,9 +2810,6 @@ static int skge_reset(struct skge_hw *hw)
switch (hw->chip_id) {
case CHIP_ID_GENESIS:
switch (hw->phy_type) {
- case SK_PHY_XMAC:
- hw->phy_addr = PHY_ADDR_XMAC;
- break;
case SK_PHY_BCOM:
hw->phy_addr = PHY_ADDR_BCOM;
break;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-21 03:18:17 +0000