qla3xxx: Adding support for the Agere PHY (ET1011C)
This PHY support patch was written by Benjamin Li.
Signed-off-by: Benjamin Li <benjamin.li@qlogic.com>
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index c2eb2c9..4061f7d 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -72,6 +72,30 @@
MODULE_DEVICE_TABLE(pci, ql3xxx_pci_tbl);
/*
+ * These are the known PHY's which are used
+ */
+typedef enum {
+ PHY_TYPE_UNKNOWN = 0,
+ PHY_VITESSE_VSC8211,
+ PHY_AGERE_ET1011C,
+ MAX_PHY_DEV_TYPES
+} PHY_DEVICE_et;
+
+typedef struct {
+ PHY_DEVICE_et phyDevice;
+ u32 phyIdOUI;
+ u16 phyIdModel;
+ char *name;
+} PHY_DEVICE_INFO_t;
+
+const PHY_DEVICE_INFO_t PHY_DEVICES[] =
+ {{PHY_TYPE_UNKNOWN, 0x000000, 0x0, "PHY_TYPE_UNKNOWN"},
+ {PHY_VITESSE_VSC8211, 0x0003f1, 0xb, "PHY_VITESSE_VSC8211"},
+ {PHY_AGERE_ET1011C, 0x00a0bc, 0x1, "PHY_AGERE_ET1011C"},
+};
+
+
+/*
* Caller must take hw_lock.
*/
static int ql_sem_spinlock(struct ql3_adapter *qdev,
@@ -662,7 +686,7 @@
}
static int ql_mii_write_reg_ex(struct ql3_adapter *qdev,
- u16 regAddr, u16 value, u32 mac_index)
+ u16 regAddr, u16 value, u32 phyAddr)
{
struct ql3xxx_port_registers __iomem *port_regs =
qdev->mem_map_registers;
@@ -680,7 +704,7 @@
}
ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
- PHYAddr[mac_index] | regAddr);
+ phyAddr | regAddr);
ql_write_page0_reg(qdev, &port_regs->macMIIMgmtDataReg, value);
@@ -701,7 +725,7 @@
}
static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr,
- u16 * value, u32 mac_index)
+ u16 * value, u32 phyAddr)
{
struct ql3xxx_port_registers __iomem *port_regs =
qdev->mem_map_registers;
@@ -720,7 +744,7 @@
}
ql_write_page0_reg(qdev, &port_regs->macMIIMgmtAddrReg,
- PHYAddr[mac_index] | regAddr);
+ phyAddr | regAddr);
ql_write_page0_reg(qdev, &port_regs->macMIIMgmtControlReg,
(MAC_MII_CONTROL_RC << 16));
@@ -850,28 +874,31 @@
}
-static void ql_petbi_reset_ex(struct ql3_adapter *qdev, u32 mac_index)
+static void ql_petbi_reset_ex(struct ql3_adapter *qdev)
{
ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG, PETBI_CTRL_SOFT_RESET,
- mac_index);
+ PHYAddr[qdev->mac_index]);
}
-static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev, u32 mac_index)
+static void ql_petbi_start_neg_ex(struct ql3_adapter *qdev)
{
u16 reg;
/* Enable Auto-negotiation sense */
- ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, ®, mac_index);
+ ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, ®,
+ PHYAddr[qdev->mac_index]);
reg |= PETBI_TBI_AUTO_SENSE;
- ql_mii_write_reg_ex(qdev, PETBI_TBI_CTRL, reg, mac_index);
+ ql_mii_write_reg_ex(qdev, PETBI_TBI_CTRL, reg,
+ PHYAddr[qdev->mac_index]);
ql_mii_write_reg_ex(qdev, PETBI_NEG_ADVER,
- PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX, mac_index);
+ PETBI_NEG_PAUSE | PETBI_NEG_DUPLEX,
+ PHYAddr[qdev->mac_index]);
ql_mii_write_reg_ex(qdev, PETBI_CONTROL_REG,
PETBI_CTRL_AUTO_NEG | PETBI_CTRL_RESTART_NEG |
PETBI_CTRL_FULL_DUPLEX | PETBI_CTRL_SPEED_1000,
- mac_index);
+ PHYAddr[qdev->mac_index]);
}
static void ql_petbi_init(struct ql3_adapter *qdev)
@@ -880,10 +907,10 @@
ql_petbi_start_neg(qdev);
}
-static void ql_petbi_init_ex(struct ql3_adapter *qdev, u32 mac_index)
+static void ql_petbi_init_ex(struct ql3_adapter *qdev)
{
- ql_petbi_reset_ex(qdev, mac_index);
- ql_petbi_start_neg_ex(qdev, mac_index);
+ ql_petbi_reset_ex(qdev);
+ ql_petbi_start_neg_ex(qdev);
}
static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev)
@@ -896,33 +923,128 @@
return (reg & PETBI_NEG_PAUSE_MASK) == PETBI_NEG_PAUSE;
}
+static void phyAgereSpecificInit(struct ql3_adapter *qdev, u32 miiAddr)
+{
+ printk(KERN_INFO "%s: enabling Agere specific PHY\n", qdev->ndev->name);
+ /* power down device bit 11 = 1 */
+ ql_mii_write_reg_ex(qdev, 0x00, 0x1940, miiAddr);
+ /* enable diagnostic mode bit 2 = 1 */
+ ql_mii_write_reg_ex(qdev, 0x12, 0x840e, miiAddr);
+ /* 1000MB amplitude adjust (see Agere errata) */
+ ql_mii_write_reg_ex(qdev, 0x10, 0x8805, miiAddr);
+ /* 1000MB amplitude adjust (see Agere errata) */
+ ql_mii_write_reg_ex(qdev, 0x11, 0xf03e, miiAddr);
+ /* 100MB amplitude adjust (see Agere errata) */
+ ql_mii_write_reg_ex(qdev, 0x10, 0x8806, miiAddr);
+ /* 100MB amplitude adjust (see Agere errata) */
+ ql_mii_write_reg_ex(qdev, 0x11, 0x003e, miiAddr);
+ /* 10MB amplitude adjust (see Agere errata) */
+ ql_mii_write_reg_ex(qdev, 0x10, 0x8807, miiAddr);
+ /* 10MB amplitude adjust (see Agere errata) */
+ ql_mii_write_reg_ex(qdev, 0x11, 0x1f00, miiAddr);
+ /* point to hidden reg 0x2806 */
+ ql_mii_write_reg_ex(qdev, 0x10, 0x2806, miiAddr);
+ /* Write new PHYAD w/bit 5 set */
+ ql_mii_write_reg_ex(qdev, 0x11, 0x0020 | (PHYAddr[qdev->mac_index] >> 8), miiAddr);
+ /*
+ * Disable diagnostic mode bit 2 = 0
+ * Power up device bit 11 = 0
+ * Link up (on) and activity (blink)
+ */
+ ql_mii_write_reg(qdev, 0x12, 0x840a);
+ ql_mii_write_reg(qdev, 0x00, 0x1140);
+ ql_mii_write_reg(qdev, 0x1c, 0xfaf0);
+}
+
+static PHY_DEVICE_et getPhyType (struct ql3_adapter *qdev,
+ u16 phyIdReg0, u16 phyIdReg1)
+{
+ PHY_DEVICE_et result = PHY_TYPE_UNKNOWN;
+ u32 oui;
+ u16 model;
+ int i;
+
+ if (phyIdReg0 == 0xffff) {
+ return result;
+ }
+
+ if (phyIdReg1 == 0xffff) {
+ return result;
+ }
+
+ /* oui is split between two registers */
+ oui = (phyIdReg0 << 6) | ((phyIdReg1 & PHY_OUI_1_MASK) >> 10);
+
+ model = (phyIdReg1 & PHY_MODEL_MASK) >> 4;
+
+ /* Scan table for this PHY */
+ for(i = 0; i < MAX_PHY_DEV_TYPES; i++) {
+ if ((oui == PHY_DEVICES[i].phyIdOUI) && (model == PHY_DEVICES[i].phyIdModel))
+ {
+ result = PHY_DEVICES[i].phyDevice;
+
+ printk(KERN_INFO "%s: Phy: %s\n",
+ qdev->ndev->name, PHY_DEVICES[i].name);
+
+ break;
+ }
+ }
+
+ return result;
+}
+
static int ql_phy_get_speed(struct ql3_adapter *qdev)
{
u16 reg;
+ switch(qdev->phyType) {
+ case PHY_AGERE_ET1011C:
+ {
+ if (ql_mii_read_reg(qdev, 0x1A, ®) < 0)
+ return 0;
+
+ reg = (reg >> 8) & 3;
+ break;
+ }
+ default:
if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, ®) < 0)
return 0;
reg = (((reg & 0x18) >> 3) & 3);
+ }
- if (reg == 2)
+ switch(reg) {
+ case 2:
return SPEED_1000;
- else if (reg == 1)
+ case 1:
return SPEED_100;
- else if (reg == 0)
+ case 0:
return SPEED_10;
- else
+ default:
return -1;
+ }
}
static int ql_is_full_dup(struct ql3_adapter *qdev)
{
u16 reg;
- if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, ®) < 0)
- return 0;
-
- return (reg & PHY_AUX_DUPLEX_STAT) != 0;
+ switch(qdev->phyType) {
+ case PHY_AGERE_ET1011C:
+ {
+ if (ql_mii_read_reg(qdev, 0x1A, ®))
+ return 0;
+
+ return ((reg & 0x0080) && (reg & 0x1000)) != 0;
+ }
+ case PHY_VITESSE_VSC8211:
+ default:
+ {
+ if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, ®) < 0)
+ return 0;
+ return (reg & PHY_AUX_DUPLEX_STAT) != 0;
+ }
+ }
}
static int ql_is_phy_neg_pause(struct ql3_adapter *qdev)
@@ -935,6 +1057,73 @@
return (reg & PHY_NEG_PAUSE) != 0;
}
+static int PHY_Setup(struct ql3_adapter *qdev)
+{
+ u16 reg1;
+ u16 reg2;
+ bool agereAddrChangeNeeded = false;
+ u32 miiAddr = 0;
+ int err;
+
+ /* Determine the PHY we are using by reading the ID's */
+ err = ql_mii_read_reg(qdev, PHY_ID_0_REG, ®1);
+ if(err != 0) {
+ printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
+ qdev->ndev->name);
+ return err;
+ }
+
+ err = ql_mii_read_reg(qdev, PHY_ID_1_REG, ®2);
+ if(err != 0) {
+ printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG\n",
+ qdev->ndev->name);
+ return err;
+ }
+
+ /* Check if we have a Agere PHY */
+ if ((reg1 == 0xffff) || (reg2 == 0xffff)) {
+
+ /* Determine which MII address we should be using
+ determined by the index of the card */
+ if (qdev->mac_index == 0) {
+ miiAddr = MII_AGERE_ADDR_1;
+ } else {
+ miiAddr = MII_AGERE_ADDR_2;
+ }
+
+ err =ql_mii_read_reg_ex(qdev, PHY_ID_0_REG, ®1, miiAddr);
+ if(err != 0) {
+ printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
+ qdev->ndev->name);
+ return err;
+ }
+
+ err = ql_mii_read_reg_ex(qdev, PHY_ID_1_REG, ®2, miiAddr);
+ if(err != 0) {
+ printk(KERN_ERR "%s: Could not read from reg PHY_ID_0_REG after Agere detected\n",
+ qdev->ndev->name);
+ return err;
+ }
+
+ /* We need to remember to initialize the Agere PHY */
+ agereAddrChangeNeeded = true;
+ }
+
+ /* Determine the particular PHY we have on board to apply
+ PHY specific initializations */
+ qdev->phyType = getPhyType(qdev, reg1, reg2);
+
+ if ((qdev->phyType == PHY_AGERE_ET1011C) && agereAddrChangeNeeded) {
+ /* need this here so address gets changed */
+ phyAgereSpecificInit(qdev, miiAddr);
+ } else if (qdev->phyType == PHY_TYPE_UNKNOWN) {
+ printk(KERN_ERR "%s: PHY is unknown\n", qdev->ndev->name);
+ return -EIO;
+ }
+
+ return 0;
+}
+
/*
* Caller holds hw_lock.
*/
@@ -1205,15 +1394,14 @@
/*
* Caller holds hw_lock.
*/
-static int ql_this_adapter_controls_port(struct ql3_adapter *qdev,
- u32 mac_index)
+static int ql_this_adapter_controls_port(struct ql3_adapter *qdev)
{
struct ql3xxx_port_registers __iomem *port_regs =
qdev->mem_map_registers;
u32 bitToCheck = 0;
u32 temp;
- switch (mac_index) {
+ switch (qdev->mac_index) {
case 0:
bitToCheck = PORT_STATUS_F1_ENABLED;
break;
@@ -1238,27 +1426,96 @@
}
}
-static void ql_phy_reset_ex(struct ql3_adapter *qdev, u32 mac_index)
+static void ql_phy_reset_ex(struct ql3_adapter *qdev)
{
- ql_mii_write_reg_ex(qdev, CONTROL_REG, PHY_CTRL_SOFT_RESET, mac_index);
+ ql_mii_write_reg_ex(qdev, CONTROL_REG, PHY_CTRL_SOFT_RESET,
+ PHYAddr[qdev->mac_index]);
}
-static void ql_phy_start_neg_ex(struct ql3_adapter *qdev, u32 mac_index)
+static void ql_phy_start_neg_ex(struct ql3_adapter *qdev)
{
u16 reg;
+ u16 portConfiguration;
- ql_mii_write_reg_ex(qdev, PHY_NEG_ADVER,
- PHY_NEG_PAUSE | PHY_NEG_ADV_SPEED | 1, mac_index);
+ if(qdev->phyType == PHY_AGERE_ET1011C) {
+ /* turn off external loopback */
+ ql_mii_write_reg(qdev, 0x13, 0x0000);
+ }
- ql_mii_read_reg_ex(qdev, CONTROL_REG, ®, mac_index);
- ql_mii_write_reg_ex(qdev, CONTROL_REG, reg | PHY_CTRL_RESTART_NEG,
- mac_index);
+ if(qdev->mac_index == 0)
+ portConfiguration = qdev->nvram_data.macCfg_port0.portConfiguration;
+ else
+ portConfiguration = qdev->nvram_data.macCfg_port1.portConfiguration;
+
+ /* Some HBA's in the field are set to 0 and they need to
+ be reinterpreted with a default value */
+ if(portConfiguration == 0)
+ portConfiguration = PORT_CONFIG_DEFAULT;
+
+ /* Set the 1000 advertisements */
+ ql_mii_read_reg_ex(qdev, PHY_GIG_CONTROL, ®,
+ PHYAddr[qdev->mac_index]);
+ reg &= ~PHY_GIG_ALL_PARAMS;
+
+ if(portConfiguration &
+ PORT_CONFIG_FULL_DUPLEX_ENABLED &
+ PORT_CONFIG_1000MB_SPEED) {
+ reg |= PHY_GIG_ADV_1000F;
+ }
+
+ if(portConfiguration &
+ PORT_CONFIG_HALF_DUPLEX_ENABLED &
+ PORT_CONFIG_1000MB_SPEED) {
+ reg |= PHY_GIG_ADV_1000H;
+ }
+
+ ql_mii_write_reg_ex(qdev, PHY_GIG_CONTROL, reg,
+ PHYAddr[qdev->mac_index]);
+
+ /* Set the 10/100 & pause negotiation advertisements */
+ ql_mii_read_reg_ex(qdev, PHY_NEG_ADVER, ®,
+ PHYAddr[qdev->mac_index]);
+ reg &= ~PHY_NEG_ALL_PARAMS;
+
+ if(portConfiguration & PORT_CONFIG_SYM_PAUSE_ENABLED)
+ reg |= PHY_NEG_ASY_PAUSE | PHY_NEG_SYM_PAUSE;
+
+ if(portConfiguration & PORT_CONFIG_FULL_DUPLEX_ENABLED) {
+ if(portConfiguration & PORT_CONFIG_100MB_SPEED)
+ reg |= PHY_NEG_ADV_100F;
+
+ if(portConfiguration & PORT_CONFIG_10MB_SPEED)
+ reg |= PHY_NEG_ADV_10F;
+ }
+
+ if(portConfiguration & PORT_CONFIG_HALF_DUPLEX_ENABLED) {
+ if(portConfiguration & PORT_CONFIG_100MB_SPEED)
+ reg |= PHY_NEG_ADV_100H;
+
+ if(portConfiguration & PORT_CONFIG_10MB_SPEED)
+ reg |= PHY_NEG_ADV_10H;
+ }
+
+ if(portConfiguration &
+ PORT_CONFIG_1000MB_SPEED) {
+ reg |= 1;
+ }
+
+ ql_mii_write_reg_ex(qdev, PHY_NEG_ADVER, reg,
+ PHYAddr[qdev->mac_index]);
+
+ ql_mii_read_reg_ex(qdev, CONTROL_REG, ®, PHYAddr[qdev->mac_index]);
+
+ ql_mii_write_reg_ex(qdev, CONTROL_REG,
+ reg | PHY_CTRL_RESTART_NEG | PHY_CTRL_AUTO_NEG,
+ PHYAddr[qdev->mac_index]);
}
-static void ql_phy_init_ex(struct ql3_adapter *qdev, u32 mac_index)
+static void ql_phy_init_ex(struct ql3_adapter *qdev)
{
- ql_phy_reset_ex(qdev, mac_index);
- ql_phy_start_neg_ex(qdev, mac_index);
+ ql_phy_reset_ex(qdev);
+ PHY_Setup(qdev);
+ ql_phy_start_neg_ex(qdev);
}
/*
@@ -1295,14 +1552,17 @@
{
if(ql_sem_spinlock(qdev, QL_PHY_GIO_SEM_MASK,
(QL_RESOURCE_BITS_BASE_CODE | (qdev->mac_index) *
- 2) << 7))
+ 2) << 7)) {
+ printk(KERN_ERR "%s: Could not get hw lock for GIO\n",
+ qdev->ndev->name);
return -1;
+ }
if (ql_is_fiber(qdev)) {
ql_petbi_init(qdev);
} else {
/* Copper port */
- ql_phy_init_ex(qdev, qdev->mac_index);
+ ql_phy_init_ex(qdev);
}
ql_sem_unlock(qdev, QL_PHY_GIO_SEM_MASK);
@@ -1453,7 +1713,7 @@
*/
static void ql_get_phy_owner(struct ql3_adapter *qdev)
{
- if (ql_this_adapter_controls_port(qdev, qdev->mac_index))
+ if (ql_this_adapter_controls_port(qdev))
set_bit(QL_LINK_MASTER,&qdev->flags);
else
clear_bit(QL_LINK_MASTER,&qdev->flags);
@@ -1467,11 +1727,11 @@
ql_mii_enable_scan_mode(qdev);
if (test_bit(QL_LINK_OPTICAL,&qdev->flags)) {
- if (ql_this_adapter_controls_port(qdev, qdev->mac_index))
- ql_petbi_init_ex(qdev, qdev->mac_index);
+ if (ql_this_adapter_controls_port(qdev))
+ ql_petbi_init_ex(qdev);
} else {
- if (ql_this_adapter_controls_port(qdev, qdev->mac_index))
- ql_phy_init_ex(qdev, qdev->mac_index);
+ if (ql_this_adapter_controls_port(qdev))
+ ql_phy_init_ex(qdev);
}
}
@@ -3092,6 +3352,7 @@
goto out;
}
+ PHY_Setup(qdev);
ql_init_scan_mode(qdev);
ql_get_phy_owner(qdev);