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[BNX2]: Add support for 5709 Serdes.
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Add PCI ID and code to support the 5709 Serdes PHY.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan authored and David S. Miller committed May 3, 2007
1 parent 605a9e2 commit 27a005b
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Showing 3 changed files with 228 additions and 12 deletions.
203 changes: 191 additions & 12 deletions drivers/net/bnx2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@ typedef enum {
BCM5708,
BCM5708S,
BCM5709,
BCM5709S,
} board_t;

/* indexed by board_t, above */
Expand All @@ -98,6 +99,7 @@ static const struct {
{ "Broadcom NetXtreme II BCM5708 1000Base-T" },
{ "Broadcom NetXtreme II BCM5708 1000Base-SX" },
{ "Broadcom NetXtreme II BCM5709 1000Base-T" },
{ "Broadcom NetXtreme II BCM5709 1000Base-SX" },
};

static struct pci_device_id bnx2_pci_tbl[] = {
Expand All @@ -117,6 +119,8 @@ static struct pci_device_id bnx2_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5708S },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709 },
{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_5709S,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM5709S },
{ 0, }
};

Expand Down Expand Up @@ -699,6 +703,45 @@ bnx2_resolve_flow_ctrl(struct bnx2 *bp)
}
}

static int
bnx2_5709s_linkup(struct bnx2 *bp)
{
u32 val, speed;

bp->link_up = 1;

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_GP_STATUS);
bnx2_read_phy(bp, MII_BNX2_GP_TOP_AN_STATUS1, &val);
bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

if ((bp->autoneg & AUTONEG_SPEED) == 0) {
bp->line_speed = bp->req_line_speed;
bp->duplex = bp->req_duplex;
return 0;
}
speed = val & MII_BNX2_GP_TOP_AN_SPEED_MSK;
switch (speed) {
case MII_BNX2_GP_TOP_AN_SPEED_10:
bp->line_speed = SPEED_10;
break;
case MII_BNX2_GP_TOP_AN_SPEED_100:
bp->line_speed = SPEED_100;
break;
case MII_BNX2_GP_TOP_AN_SPEED_1G:
case MII_BNX2_GP_TOP_AN_SPEED_1GKV:
bp->line_speed = SPEED_1000;
break;
case MII_BNX2_GP_TOP_AN_SPEED_2_5G:
bp->line_speed = SPEED_2500;
break;
}
if (val & MII_BNX2_GP_TOP_AN_FD)
bp->duplex = DUPLEX_FULL;
else
bp->duplex = DUPLEX_HALF;
return 0;
}

static int
bnx2_5708s_linkup(struct bnx2 *bp)
{
Expand Down Expand Up @@ -898,6 +941,24 @@ bnx2_set_mac_link(struct bnx2 *bp)
return 0;
}

static void
bnx2_enable_bmsr1(struct bnx2 *bp)
{
if ((bp->phy_flags & PHY_SERDES_FLAG) &&
(CHIP_NUM(bp) == CHIP_NUM_5709))
bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_GP_STATUS);
}

static void
bnx2_disable_bmsr1(struct bnx2 *bp)
{
if ((bp->phy_flags & PHY_SERDES_FLAG) &&
(CHIP_NUM(bp) == CHIP_NUM_5709))
bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
}

static int
bnx2_test_and_enable_2g5(struct bnx2 *bp)
{
Expand All @@ -910,13 +971,20 @@ bnx2_test_and_enable_2g5(struct bnx2 *bp)
if (bp->autoneg & AUTONEG_SPEED)
bp->advertising |= ADVERTISED_2500baseX_Full;

if (CHIP_NUM(bp) == CHIP_NUM_5709)
bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

bnx2_read_phy(bp, bp->mii_up1, &up1);
if (!(up1 & BCM5708S_UP1_2G5)) {
up1 |= BCM5708S_UP1_2G5;
bnx2_write_phy(bp, bp->mii_up1, up1);
ret = 0;
}

if (CHIP_NUM(bp) == CHIP_NUM_5709)
bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

return ret;
}

Expand All @@ -929,13 +997,20 @@ bnx2_test_and_disable_2g5(struct bnx2 *bp)
if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
return 0;

if (CHIP_NUM(bp) == CHIP_NUM_5709)
bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);

bnx2_read_phy(bp, bp->mii_up1, &up1);
if (up1 & BCM5708S_UP1_2G5) {
up1 &= ~BCM5708S_UP1_2G5;
bnx2_write_phy(bp, bp->mii_up1, up1);
ret = 1;
}

if (CHIP_NUM(bp) == CHIP_NUM_5709)
bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

return ret;
}

Expand All @@ -947,7 +1022,21 @@ bnx2_enable_forced_2g5(struct bnx2 *bp)
if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
return;

if (CHIP_NUM(bp) == CHIP_NUM_5708) {
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
u32 val;

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_SERDES_DIG);
bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
val &= ~MII_BNX2_SD_MISC1_FORCE_MSK;
val |= MII_BNX2_SD_MISC1_FORCE | MII_BNX2_SD_MISC1_FORCE_2_5G;
bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
bmcr |= BCM5708S_BMCR_FORCE_2500;
}
Expand All @@ -968,7 +1057,20 @@ bnx2_disable_forced_2g5(struct bnx2 *bp)
if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
return;

if (CHIP_NUM(bp) == CHIP_NUM_5708) {
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
u32 val;

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_SERDES_DIG);
bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_MISC1, &val);
val &= ~MII_BNX2_SD_MISC1_FORCE;
bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_MISC1, val);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR,
MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);

} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
bnx2_read_phy(bp, bp->mii_bmcr, &bmcr);
bmcr &= ~BCM5708S_BMCR_FORCE_2500;
}
Expand All @@ -991,8 +1093,10 @@ bnx2_set_link(struct bnx2 *bp)

link_up = bp->link_up;

bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
bnx2_enable_bmsr1(bp);
bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
bnx2_disable_bmsr1(bp);

if ((bp->phy_flags & PHY_SERDES_FLAG) &&
(CHIP_NUM(bp) == CHIP_NUM_5706)) {
Expand All @@ -1013,6 +1117,8 @@ bnx2_set_link(struct bnx2 *bp)
bnx2_5706s_linkup(bp);
else if (CHIP_NUM(bp) == CHIP_NUM_5708)
bnx2_5708s_linkup(bp);
else if (CHIP_NUM(bp) == CHIP_NUM_5709)
bnx2_5709s_linkup(bp);
}
else {
bnx2_copper_linkup(bp);
Expand Down Expand Up @@ -1119,7 +1225,15 @@ bnx2_setup_serdes_phy(struct bnx2 *bp)
new_bmcr = bmcr & ~BMCR_ANENABLE;
new_bmcr |= BMCR_SPEED1000;

if (CHIP_NUM(bp) == CHIP_NUM_5708) {
if (CHIP_NUM(bp) == CHIP_NUM_5709) {
if (bp->req_line_speed == SPEED_2500)
bnx2_enable_forced_2g5(bp);
else if (bp->req_line_speed == SPEED_1000) {
bnx2_disable_forced_2g5(bp);
new_bmcr &= ~0x2000;
}

} else if (CHIP_NUM(bp) == CHIP_NUM_5708) {
if (bp->req_line_speed == SPEED_2500)
new_bmcr |= BCM5708S_BMCR_FORCE_2500;
else
Expand Down Expand Up @@ -1302,6 +1416,9 @@ bnx2_setup_copper_phy(struct bnx2 *bp)
bnx2_resolve_flow_ctrl(bp);
bnx2_set_mac_link(bp);
}
} else {
bnx2_resolve_flow_ctrl(bp);
bnx2_set_mac_link(bp);
}
return 0;
}
Expand All @@ -1320,11 +1437,64 @@ bnx2_setup_phy(struct bnx2 *bp)
}
}

static int
bnx2_init_5709s_phy(struct bnx2 *bp)
{
u32 val;

bp->mii_bmcr = MII_BMCR + 0x10;
bp->mii_bmsr = MII_BMSR + 0x10;
bp->mii_bmsr1 = MII_BNX2_GP_TOP_AN_STATUS1;
bp->mii_adv = MII_ADVERTISE + 0x10;
bp->mii_lpa = MII_LPA + 0x10;
bp->mii_up1 = MII_BNX2_OVER1G_UP1;

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_AER);
bnx2_write_phy(bp, MII_BNX2_AER_AER, MII_BNX2_AER_AER_AN_MMD);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);
bnx2_reset_phy(bp);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_SERDES_DIG);

bnx2_read_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, &val);
val &= ~MII_BNX2_SD_1000XCTL1_AUTODET;
val |= MII_BNX2_SD_1000XCTL1_FIBER;
bnx2_write_phy(bp, MII_BNX2_SERDES_DIG_1000XCTL1, val);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_OVER1G);
bnx2_read_phy(bp, MII_BNX2_OVER1G_UP1, &val);
if (bp->phy_flags & PHY_2_5G_CAPABLE_FLAG)
val |= BCM5708S_UP1_2G5;
else
val &= ~BCM5708S_UP1_2G5;
bnx2_write_phy(bp, MII_BNX2_OVER1G_UP1, val);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_BAM_NXTPG);
bnx2_read_phy(bp, MII_BNX2_BAM_NXTPG_CTL, &val);
val |= MII_BNX2_NXTPG_CTL_T2 | MII_BNX2_NXTPG_CTL_BAM;
bnx2_write_phy(bp, MII_BNX2_BAM_NXTPG_CTL, val);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_CL73_USERB0);

val = MII_BNX2_CL73_BAM_EN | MII_BNX2_CL73_BAM_STA_MGR_EN |
MII_BNX2_CL73_BAM_NP_AFT_BP_EN;
bnx2_write_phy(bp, MII_BNX2_CL73_BAM_CTL1, val);

bnx2_write_phy(bp, MII_BNX2_BLK_ADDR, MII_BNX2_BLK_ADDR_COMBO_IEEEB0);

return 0;
}

static int
bnx2_init_5708s_phy(struct bnx2 *bp)
{
u32 val;

bnx2_reset_phy(bp);

bp->mii_up1 = BCM5708S_UP1;

bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG3);
bnx2_write_phy(bp, BCM5708S_DIG_3_0, BCM5708S_DIG_3_0_USE_IEEE);
bnx2_write_phy(bp, BCM5708S_BLK_ADDR, BCM5708S_BLK_ADDR_DIG);
Expand Down Expand Up @@ -1377,6 +1547,8 @@ bnx2_init_5708s_phy(struct bnx2 *bp)
static int
bnx2_init_5706s_phy(struct bnx2 *bp)
{
bnx2_reset_phy(bp);

bp->phy_flags &= ~PHY_PARALLEL_DETECT_FLAG;

if (CHIP_NUM(bp) == CHIP_NUM_5706)
Expand Down Expand Up @@ -1414,6 +1586,8 @@ bnx2_init_copper_phy(struct bnx2 *bp)
{
u32 val;

bnx2_reset_phy(bp);

if (bp->phy_flags & PHY_CRC_FIX_FLAG) {
bnx2_write_phy(bp, 0x18, 0x0c00);
bnx2_write_phy(bp, 0x17, 0x000a);
Expand Down Expand Up @@ -1470,13 +1644,12 @@ bnx2_init_phy(struct bnx2 *bp)

bp->mii_bmcr = MII_BMCR;
bp->mii_bmsr = MII_BMSR;
bp->mii_bmsr1 = MII_BMSR;
bp->mii_adv = MII_ADVERTISE;
bp->mii_lpa = MII_LPA;

REG_WR(bp, BNX2_EMAC_ATTENTION_ENA, BNX2_EMAC_ATTENTION_ENA_LINK);

bnx2_reset_phy(bp);

bnx2_read_phy(bp, MII_PHYSID1, &val);
bp->phy_id = val << 16;
bnx2_read_phy(bp, MII_PHYSID2, &val);
Expand All @@ -1487,6 +1660,8 @@ bnx2_init_phy(struct bnx2 *bp)
rc = bnx2_init_5706s_phy(bp);
else if (CHIP_NUM(bp) == CHIP_NUM_5708)
rc = bnx2_init_5708s_phy(bp);
else if (CHIP_NUM(bp) == CHIP_NUM_5709)
rc = bnx2_init_5709s_phy(bp);
}
else {
rc = bnx2_init_copper_phy(bp);
Expand Down Expand Up @@ -4262,8 +4437,10 @@ bnx2_test_link(struct bnx2 *bp)
u32 bmsr;

spin_lock_bh(&bp->phy_lock);
bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
bnx2_read_phy(bp, bp->mii_bmsr, &bmsr);
bnx2_enable_bmsr1(bp);
bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
bnx2_read_phy(bp, bp->mii_bmsr1, &bmsr);
bnx2_disable_bmsr1(bp);
spin_unlock_bh(&bp->phy_lock);

if (bmsr & BMSR_LSTATUS) {
Expand Down Expand Up @@ -4407,7 +4584,7 @@ bnx2_timer(unsigned long data)
if (bp->phy_flags & PHY_SERDES_FLAG) {
if (CHIP_NUM(bp) == CHIP_NUM_5706)
bnx2_5706_serdes_timer(bp);
else if (CHIP_NUM(bp) == CHIP_NUM_5708)
else
bnx2_5708_serdes_timer(bp);
}

Expand Down Expand Up @@ -4910,8 +5087,10 @@ bnx2_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)

advertising = cmd->advertising;

}
else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
} else if (cmd->advertising == ADVERTISED_2500baseX_Full) {
if (!(bp->phy_flags & PHY_2_5G_CAPABLE_FLAG))
return -EINVAL;
} else if (cmd->advertising == ADVERTISED_1000baseT_Full) {
advertising = cmd->advertising;
}
else if (cmd->advertising == ADVERTISED_1000baseT_Half) {
Expand Down
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