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qla3xxx: Adding support for the Agere PHY (ET1011C)

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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>
This commit is contained in:
Ron Mercer 2007-03-26 12:43:52 -07:00 committed by Jeff Garzik
parent ec8263839a
commit 3efedf2e5b
2 changed files with 335 additions and 45 deletions
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347
drivers/net/qla3xxx.c
View file

@ -71,6 +71,30 @@ static struct pci_device_id ql3xxx_pci_tbl[] __devinitdata = {
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.
*/
@ -662,7 +686,7 @@ static u8 ql_mii_disable_scan_mode(struct ql3_adapter *qdev)
}
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 @@ static int ql_mii_write_reg_ex(struct ql3_adapter *qdev,
}
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_write_reg_ex(struct ql3_adapter *qdev,
}
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 @@ static int ql_mii_read_reg_ex(struct ql3_adapter *qdev, u16 regAddr,
}
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_start_neg(struct ql3_adapter *qdev)
}
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, &reg, mac_index);
ql_mii_read_reg_ex(qdev, PETBI_TBI_CTRL, &reg,
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 @@ static void ql_petbi_init(struct ql3_adapter *qdev)
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 @@ static int ql_is_petbi_neg_pause(struct ql3_adapter *qdev)
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, &reg) < 0)
return 0;
reg = (reg >> 8) & 3;
break;
}
default:
if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 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, &reg) < 0)
return 0;
return (reg & PHY_AUX_DUPLEX_STAT) != 0;
switch(qdev->phyType) {
case PHY_AGERE_ET1011C:
{
if (ql_mii_read_reg(qdev, 0x1A, &reg))
return 0;
return ((reg & 0x0080) && (reg & 0x1000)) != 0;
}
case PHY_VITESSE_VSC8211:
default:
{
if (ql_mii_read_reg(qdev, AUX_CONTROL_STATUS, &reg) < 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 @@ static int ql_is_phy_neg_pause(struct ql3_adapter *qdev)
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, &reg1);
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, &reg2);
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, &reg1, 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, &reg2, 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 @@ static int ql_link_down_detect_clear(struct ql3_adapter *qdev)
/*
* 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 int ql_this_adapter_controls_port(struct ql3_adapter *qdev,
}
}
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, &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, &reg,
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, &reg,
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, &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 @@ static int ql_port_start(struct ql3_adapter *qdev)
{
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_link_state_machine(struct ql3_adapter *qdev)
*/
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 @@ static void ql_init_scan_mode(struct ql3_adapter *qdev)
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 @@ static int ql_adapter_initialize(struct ql3_adapter *qdev)
goto out;
}
PHY_Setup(qdev);
ql_init_scan_mode(qdev);
ql_get_phy_owner(qdev);

33
drivers/net/qla3xxx.h
View file

@ -293,6 +293,16 @@ struct net_rsp_iocb {
#define MII_SCAN_REGISTER 0x00000001
#define PHY_ID_0_REG 2
#define PHY_ID_1_REG 3
#define PHY_OUI_1_MASK 0xfc00
#define PHY_MODEL_MASK 0x03f0
/* Address for the Agere Phy */
#define MII_AGERE_ADDR_1 0x00001000
#define MII_AGERE_ADDR_2 0x00001100
/* 32-bit ispControlStatus */
enum {
ISP_CONTROL_NP_MASK = 0x0003,
@ -789,6 +799,7 @@ enum {
PHY_CTRL_LOOPBACK = 0x4000,
PETBI_CONTROL_REG = 0x00,
PETBI_CTRL_ALL_PARAMS = 0x7140,
PETBI_CTRL_SOFT_RESET = 0x8000,
PETBI_CTRL_AUTO_NEG = 0x1000,
PETBI_CTRL_RESTART_NEG = 0x0200,
@ -811,6 +822,23 @@ enum {
PETBI_EXPANSION_REG = 0x06,
PETBI_EXP_PAGE_RX = 0x0002,
PHY_GIG_CONTROL = 9,
PHY_GIG_ENABLE_MAN = 0x1000, /* Enable Master/Slave Manual Config*/
PHY_GIG_SET_MASTER = 0x0800, /* Set Master (slave if clear)*/
PHY_GIG_ALL_PARAMS = 0x0300,
PHY_GIG_ADV_1000F = 0x0200,
PHY_GIG_ADV_1000H = 0x0100,
PHY_NEG_ADVER = 4,
PHY_NEG_ALL_PARAMS = 0x0fe0,
PHY_NEG_ASY_PAUSE = 0x0800,
PHY_NEG_SYM_PAUSE = 0x0400,
PHY_NEG_ADV_SPEED = 0x01e0,
PHY_NEG_ADV_100F = 0x0100,
PHY_NEG_ADV_100H = 0x0080,
PHY_NEG_ADV_10F = 0x0040,
PHY_NEG_ADV_10H = 0x0020,
PETBI_TBI_CTRL = 0x11,
PETBI_TBI_RESET = 0x8000,
PETBI_TBI_AUTO_SENSE = 0x0100,
@ -826,8 +854,7 @@ enum {
PHY_AUX_RESET_STICK = 0x0002,
PHY_NEG_PAUSE = 0x0400,
PHY_CTRL_SOFT_RESET = 0x8000,
PHY_NEG_ADVER = 4,
PHY_NEG_ADV_SPEED = 0x01e0,
PHY_CTRL_AUTO_NEG = 0x1000,
PHY_CTRL_RESTART_NEG = 0x0200,
};
enum {
@ -892,6 +919,7 @@ enum {EEPROM_SIZE = FM93C86A_SIZE_16,
u16 pauseThreshold_mac;
u16 resumeThreshold_mac;
u16 portConfiguration;
#define PORT_CONFIG_DEFAULT 0xf700
#define PORT_CONFIG_AUTO_NEG_ENABLED 0x8000
#define PORT_CONFIG_SYM_PAUSE_ENABLED 0x4000
#define PORT_CONFIG_FULL_DUPLEX_ENABLED 0x2000
@ -1259,6 +1287,7 @@ struct ql3_adapter {
struct delayed_work tx_timeout_work;
u32 max_frame_size;
u32 device_id;
u16 phyType;
};
#endif /* _QLA3XXX_H_ */