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path: root/drivers/net/phy/broadcom.c
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Diffstat (limited to 'drivers/net/phy/broadcom.c')
-rw-r--r--drivers/net/phy/broadcom.c233
1 files changed, 223 insertions, 10 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 190efc3301c..f81e5322223 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -18,6 +18,12 @@
#include <linux/phy.h>
#define PHY_ID_BCM50610 0x0143bd60
+#define PHY_ID_BCM50610M 0x0143bd70
+#define PHY_ID_BCM57780 0x03625d90
+
+#define BRCM_PHY_MODEL(phydev) \
+ ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)
+
#define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */
#define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */
@@ -117,6 +123,7 @@
#define MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE 0x0200
#define MII_BCM54XX_EXP_EXP75 0x0f75
#define MII_BCM54XX_EXP_EXP75_VDACCTRL 0x003c
+#define MII_BCM54XX_EXP_EXP75_CM_OSC 0x0001
#define MII_BCM54XX_EXP_EXP96 0x0f96
#define MII_BCM54XX_EXP_EXP96_MYST 0x0010
#define MII_BCM54XX_EXP_EXP97 0x0f97
@@ -141,6 +148,35 @@
#define PHY_BCM_FLAGS_MODE_1000BX 0x00000002
#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001
+
+/*****************************************************************************/
+/* Fast Ethernet Transceiver definitions. */
+/*****************************************************************************/
+
+#define MII_BRCM_FET_INTREG 0x1a /* Interrupt register */
+#define MII_BRCM_FET_IR_MASK 0x0100 /* Mask all interrupts */
+#define MII_BRCM_FET_IR_LINK_EN 0x0200 /* Link status change enable */
+#define MII_BRCM_FET_IR_SPEED_EN 0x0400 /* Link speed change enable */
+#define MII_BRCM_FET_IR_DUPLEX_EN 0x0800 /* Duplex mode change enable */
+#define MII_BRCM_FET_IR_ENABLE 0x4000 /* Interrupt enable */
+
+#define MII_BRCM_FET_BRCMTEST 0x1f /* Brcm test register */
+#define MII_BRCM_FET_BT_SRE 0x0080 /* Shadow register enable */
+
+
+/*** Shadow register definitions ***/
+
+#define MII_BRCM_FET_SHDW_MISCCTRL 0x10 /* Shadow misc ctrl */
+#define MII_BRCM_FET_SHDW_MC_FAME 0x4000 /* Force Auto MDIX enable */
+
+#define MII_BRCM_FET_SHDW_AUXMODE4 0x1a /* Auxiliary mode 4 */
+#define MII_BRCM_FET_SHDW_AM4_LED_MASK 0x0003
+#define MII_BRCM_FET_SHDW_AM4_LED_MODE1 0x0001
+
+#define MII_BRCM_FET_SHDW_AUXSTAT2 0x1b /* Auxiliary status 2 */
+#define MII_BRCM_FET_SHDW_AS2_APDE 0x0020 /* Auto power down enable */
+
+
MODULE_DESCRIPTION("Broadcom PHY driver");
MODULE_AUTHOR("Maciej W. Rozycki");
MODULE_LICENSE("GPL");
@@ -164,7 +200,7 @@ static int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, u16 val)
}
/* Indirect register access functions for the Expansion Registers */
-static int bcm54xx_exp_read(struct phy_device *phydev, u8 regnum)
+static int bcm54xx_exp_read(struct phy_device *phydev, u16 regnum)
{
int val;
@@ -278,6 +314,33 @@ static int bcm54xx_config_init(struct phy_device *phydev)
return err;
}
+ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
+ int err2;
+
+ err = bcm54xx_auxctl_write(phydev,
+ MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
+ MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
+ MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
+ if (err < 0)
+ return err;
+
+ reg = bcm54xx_exp_read(phydev, MII_BCM54XX_EXP_EXP75);
+ if (reg < 0)
+ goto error;
+
+ reg |= MII_BCM54XX_EXP_EXP75_CM_OSC;
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75, reg);
+
+error:
+ err2 = bcm54xx_auxctl_write(phydev,
+ MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
+ MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
+ if (err)
+ return err;
+ if (err2)
+ return err2;
+ }
+
return 0;
}
@@ -435,6 +498,114 @@ static int bcm5481_config_aneg(struct phy_device *phydev)
return ret;
}
+static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
+{
+ int val;
+
+ val = phy_read(phydev, reg);
+ if (val < 0)
+ return val;
+
+ return phy_write(phydev, reg, val | set);
+}
+
+static int brcm_fet_config_init(struct phy_device *phydev)
+{
+ int reg, err, err2, brcmtest;
+
+ /* Reset the PHY to bring it to a known state. */
+ err = phy_write(phydev, MII_BMCR, BMCR_RESET);
+ if (err < 0)
+ return err;
+
+ reg = phy_read(phydev, MII_BRCM_FET_INTREG);
+ if (reg < 0)
+ return reg;
+
+ /* Unmask events we are interested in and mask interrupts globally. */
+ reg = MII_BRCM_FET_IR_DUPLEX_EN |
+ MII_BRCM_FET_IR_SPEED_EN |
+ MII_BRCM_FET_IR_LINK_EN |
+ MII_BRCM_FET_IR_ENABLE |
+ MII_BRCM_FET_IR_MASK;
+
+ err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
+ if (err < 0)
+ return err;
+
+ /* Enable shadow register access */
+ brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
+ if (brcmtest < 0)
+ return brcmtest;
+
+ reg = brcmtest | MII_BRCM_FET_BT_SRE;
+
+ err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
+ if (err < 0)
+ return err;
+
+ /* Set the LED mode */
+ reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4);
+ if (reg < 0) {
+ err = reg;
+ goto done;
+ }
+
+ reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK;
+ reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1;
+
+ err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg);
+ if (err < 0)
+ goto done;
+
+ /* Enable auto MDIX */
+ err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
+ MII_BRCM_FET_SHDW_MC_FAME);
+ if (err < 0)
+ goto done;
+
+ /* Enable auto power down */
+ err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
+ MII_BRCM_FET_SHDW_AS2_APDE);
+
+done:
+ /* Disable shadow register access */
+ err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
+ if (!err)
+ err = err2;
+
+ return err;
+}
+
+static int brcm_fet_ack_interrupt(struct phy_device *phydev)
+{
+ int reg;
+
+ /* Clear pending interrupts. */
+ reg = phy_read(phydev, MII_BRCM_FET_INTREG);
+ if (reg < 0)
+ return reg;
+
+ return 0;
+}
+
+static int brcm_fet_config_intr(struct phy_device *phydev)
+{
+ int reg, err;
+
+ reg = phy_read(phydev, MII_BRCM_FET_INTREG);
+ if (reg < 0)
+ return reg;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
+ reg &= ~MII_BRCM_FET_IR_MASK;
+ else
+ reg |= MII_BRCM_FET_IR_MASK;
+
+ err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
+ return err;
+}
+
static struct phy_driver bcm5411_driver = {
.phy_id = 0x00206070,
.phy_id_mask = 0xfffffff0,
@@ -447,7 +618,7 @@ static struct phy_driver bcm5411_driver = {
.read_status = genphy_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
};
static struct phy_driver bcm5421_driver = {
@@ -462,7 +633,7 @@ static struct phy_driver bcm5421_driver = {
.read_status = genphy_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
};
static struct phy_driver bcm5461_driver = {
@@ -477,7 +648,7 @@ static struct phy_driver bcm5461_driver = {
.read_status = genphy_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
};
static struct phy_driver bcm5464_driver = {
@@ -492,7 +663,7 @@ static struct phy_driver bcm5464_driver = {
.read_status = genphy_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
};
static struct phy_driver bcm5481_driver = {
@@ -507,7 +678,7 @@ static struct phy_driver bcm5481_driver = {
.read_status = genphy_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
};
static struct phy_driver bcm5482_driver = {
@@ -522,7 +693,7 @@ static struct phy_driver bcm5482_driver = {
.read_status = bcm5482_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
};
static struct phy_driver bcm50610_driver = {
@@ -537,11 +708,26 @@ static struct phy_driver bcm50610_driver = {
.read_status = genphy_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
+};
+
+static struct phy_driver bcm50610m_driver = {
+ .phy_id = PHY_ID_BCM50610M,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCM50610M",
+ .features = PHY_GBIT_FEATURES |
+ SUPPORTED_Pause | SUPPORTED_Asym_Pause,
+ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .config_init = bcm54xx_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = bcm54xx_ack_interrupt,
+ .config_intr = bcm54xx_config_intr,
+ .driver = { .owner = THIS_MODULE },
};
static struct phy_driver bcm57780_driver = {
- .phy_id = 0x03625d90,
+ .phy_id = PHY_ID_BCM57780,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM57780",
.features = PHY_GBIT_FEATURES |
@@ -552,7 +738,22 @@ static struct phy_driver bcm57780_driver = {
.read_status = genphy_read_status,
.ack_interrupt = bcm54xx_ack_interrupt,
.config_intr = bcm54xx_config_intr,
- .driver = { .owner = THIS_MODULE },
+ .driver = { .owner = THIS_MODULE },
+};
+
+static struct phy_driver bcmac131_driver = {
+ .phy_id = 0x0143bc70,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCMAC131",
+ .features = PHY_BASIC_FEATURES |
+ SUPPORTED_Pause | SUPPORTED_Asym_Pause,
+ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .config_init = brcm_fet_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = brcm_fet_ack_interrupt,
+ .config_intr = brcm_fet_config_intr,
+ .driver = { .owner = THIS_MODULE },
};
static int __init broadcom_init(void)
@@ -580,12 +781,22 @@ static int __init broadcom_init(void)
ret = phy_driver_register(&bcm50610_driver);
if (ret)
goto out_50610;
+ ret = phy_driver_register(&bcm50610m_driver);
+ if (ret)
+ goto out_50610m;
ret = phy_driver_register(&bcm57780_driver);
if (ret)
goto out_57780;
+ ret = phy_driver_register(&bcmac131_driver);
+ if (ret)
+ goto out_ac131;
return ret;
+out_ac131:
+ phy_driver_unregister(&bcm57780_driver);
out_57780:
+ phy_driver_unregister(&bcm50610m_driver);
+out_50610m:
phy_driver_unregister(&bcm50610_driver);
out_50610:
phy_driver_unregister(&bcm5482_driver);
@@ -605,7 +816,9 @@ out_5411:
static void __exit broadcom_exit(void)
{
+ phy_driver_unregister(&bcmac131_driver);
phy_driver_unregister(&bcm57780_driver);
+ phy_driver_unregister(&bcm50610m_driver);
phy_driver_unregister(&bcm50610_driver);
phy_driver_unregister(&bcm5482_driver);
phy_driver_unregister(&bcm5481_driver);