#include <linux/module.h>
#include <linux/phy.h>
+#define PHY_ID_BCM50610 0x0143bd60
+
#define MII_BCM54XX_ECR 0x10 /* BCM54xx extended control register */
#define MII_BCM54XX_ECR_IM 0x1000 /* Interrupt mask */
#define MII_BCM54XX_ECR_IF 0x0800 /* Interrupt force */
#define MII_BCM54XX_ESR 0x11 /* BCM54xx extended status register */
#define MII_BCM54XX_ESR_IS 0x1000 /* Interrupt status */
+#define MII_BCM54XX_EXP_DATA 0x15 /* Expansion register data */
+#define MII_BCM54XX_EXP_SEL 0x17 /* Expansion register select */
+#define MII_BCM54XX_EXP_SEL_SSD 0x0e00 /* Secondary SerDes select */
+#define MII_BCM54XX_EXP_SEL_ER 0x0f00 /* Expansion register select */
+
+#define MII_BCM54XX_AUX_CTL 0x18 /* Auxiliary control register */
#define MII_BCM54XX_ISR 0x1a /* BCM54xx interrupt status register */
#define MII_BCM54XX_IMR 0x1b /* BCM54xx interrupt mask register */
#define MII_BCM54XX_INT_CRCERR 0x0001 /* CRC error */
#define MII_BCM54XX_INT_MDIX 0x2000 /* MDIX status change */
#define MII_BCM54XX_INT_PSERR 0x4000 /* Pair swap error */
+#define MII_BCM54XX_SHD 0x1c /* 0x1c shadow registers */
+#define MII_BCM54XX_SHD_WRITE 0x8000
+#define MII_BCM54XX_SHD_VAL(x) ((x & 0x1f) << 10)
+#define MII_BCM54XX_SHD_DATA(x) ((x & 0x3ff) << 0)
+
+/*
+ * AUXILIARY CONTROL SHADOW ACCESS REGISTERS. (PHY REG 0x18)
+ */
+#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000
+#define MII_BCM54XX_AUXCTL_ACTL_TX_6DB 0x0400
+#define MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA 0x0800
+
+#define MII_BCM54XX_AUXCTL_MISC_WREN 0x8000
+#define MII_BCM54XX_AUXCTL_MISC_FORCE_AMDIX 0x0200
+#define MII_BCM54XX_AUXCTL_MISC_RDSEL_MISC 0x7000
+#define MII_BCM54XX_AUXCTL_SHDWSEL_MISC 0x0007
+
+#define MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL 0x0000
+
+
+/*
+ * Broadcom LED source encodings. These are used in BCM5461, BCM5481,
+ * BCM5482, and possibly some others.
+ */
+#define BCM_LED_SRC_LINKSPD1 0x0
+#define BCM_LED_SRC_LINKSPD2 0x1
+#define BCM_LED_SRC_XMITLED 0x2
+#define BCM_LED_SRC_ACTIVITYLED 0x3
+#define BCM_LED_SRC_FDXLED 0x4
+#define BCM_LED_SRC_SLAVE 0x5
+#define BCM_LED_SRC_INTR 0x6
+#define BCM_LED_SRC_QUALITY 0x7
+#define BCM_LED_SRC_RCVLED 0x8
+#define BCM_LED_SRC_MULTICOLOR1 0xa
+#define BCM_LED_SRC_OPENSHORT 0xb
+#define BCM_LED_SRC_OFF 0xe /* Tied high */
+#define BCM_LED_SRC_ON 0xf /* Tied low */
+
+/*
+ * BCM5482: Shadow registers
+ * Shadow values go into bits [14:10] of register 0x1c to select a shadow
+ * register to access.
+ */
+#define BCM5482_SHD_LEDS1 0x0d /* 01101: LED Selector 1 */
+ /* LED3 / ~LINKSPD[2] selector */
+#define BCM5482_SHD_LEDS1_LED3(src) ((src & 0xf) << 4)
+ /* LED1 / ~LINKSPD[1] selector */
+#define BCM5482_SHD_LEDS1_LED1(src) ((src & 0xf) << 0)
+#define BCM5482_SHD_SSD 0x14 /* 10100: Secondary SerDes control */
+#define BCM5482_SHD_SSD_LEDM 0x0008 /* SSD LED Mode enable */
+#define BCM5482_SHD_SSD_EN 0x0001 /* SSD enable */
+#define BCM5482_SHD_MODE 0x1f /* 11111: Mode Control Register */
+#define BCM5482_SHD_MODE_1000BX 0x0001 /* Enable 1000BASE-X registers */
+
+/*
+ * EXPANSION SHADOW ACCESS REGISTERS. (PHY REG 0x15, 0x16, and 0x17)
+ */
+#define MII_BCM54XX_EXP_AADJ1CH0 0x001f
+#define MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN 0x0200
+#define MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF 0x0100
+#define MII_BCM54XX_EXP_AADJ1CH3 0x601f
+#define MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ 0x0002
+#define MII_BCM54XX_EXP_EXP08 0x0F08
+#define MII_BCM54XX_EXP_EXP08_RJCT_2MHZ 0x0001
+#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_EXP96 0x0f96
+#define MII_BCM54XX_EXP_EXP96_MYST 0x0010
+#define MII_BCM54XX_EXP_EXP97 0x0f97
+#define MII_BCM54XX_EXP_EXP97_MYST 0x0c0c
+
+/*
+ * BCM5482: Secondary SerDes registers
+ */
+#define BCM5482_SSD_1000BX_CTL 0x00 /* 1000BASE-X Control */
+#define BCM5482_SSD_1000BX_CTL_PWRDOWN 0x0800 /* Power-down SSD */
+#define BCM5482_SSD_SGMII_SLAVE 0x15 /* SGMII Slave Register */
+#define BCM5482_SSD_SGMII_SLAVE_EN 0x0002 /* Slave mode enable */
+#define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */
+
+/*
+ * Device flags for PHYs that can be configured for different operating
+ * modes.
+ */
+#define PHY_BCM_FLAGS_VALID 0x80000000
+#define PHY_BCM_FLAGS_INTF_XAUI 0x00000020
+#define PHY_BCM_FLAGS_INTF_SGMII 0x00000010
+#define PHY_BCM_FLAGS_MODE_1000BX 0x00000002
+#define PHY_BCM_FLAGS_MODE_COPPER 0x00000001
+
MODULE_DESCRIPTION("Broadcom PHY driver");
MODULE_AUTHOR("Maciej W. Rozycki");
MODULE_LICENSE("GPL");
+/*
+ * Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T
+ * 0x1c shadow registers.
+ */
+static int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow)
+{
+ phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow));
+ return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD));
+}
+
+static int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, u16 val)
+{
+ return phy_write(phydev, MII_BCM54XX_SHD,
+ MII_BCM54XX_SHD_WRITE |
+ MII_BCM54XX_SHD_VAL(shadow) |
+ MII_BCM54XX_SHD_DATA(val));
+}
+
+/* Indirect register access functions for the Expansion Registers */
+static int bcm54xx_exp_read(struct phy_device *phydev, u8 regnum)
+{
+ int val;
+
+ val = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
+ if (val < 0)
+ return val;
+
+ val = phy_read(phydev, MII_BCM54XX_EXP_DATA);
+
+ /* Restore default value. It's O.K. if this write fails. */
+ phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
+
+ return val;
+}
+
+static int bcm54xx_exp_write(struct phy_device *phydev, u16 regnum, u16 val)
+{
+ int ret;
+
+ ret = phy_write(phydev, MII_BCM54XX_EXP_SEL, regnum);
+ if (ret < 0)
+ return ret;
+
+ ret = phy_write(phydev, MII_BCM54XX_EXP_DATA, val);
+
+ /* Restore default value. It's O.K. if this write fails. */
+ phy_write(phydev, MII_BCM54XX_EXP_SEL, 0);
+
+ return ret;
+}
+
+static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)
+{
+ return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);
+}
+
+static int bcm50610_a0_workaround(struct phy_device *phydev)
+{
+ int err;
+
+ 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;
+
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP08,
+ MII_BCM54XX_EXP_EXP08_RJCT_2MHZ |
+ MII_BCM54XX_EXP_EXP08_EARLY_DAC_WAKE);
+ if (err < 0)
+ goto error;
+
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH0,
+ MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
+ MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
+ if (err < 0)
+ goto error;
+
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_AADJ1CH3,
+ MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
+ if (err < 0)
+ goto error;
+
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP75,
+ MII_BCM54XX_EXP_EXP75_VDACCTRL);
+ if (err < 0)
+ goto error;
+
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP96,
+ MII_BCM54XX_EXP_EXP96_MYST);
+ if (err < 0)
+ goto error;
+
+ err = bcm54xx_exp_write(phydev, MII_BCM54XX_EXP_EXP97,
+ MII_BCM54XX_EXP_EXP97_MYST);
+
+error:
+ bcm54xx_auxctl_write(phydev,
+ MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
+ MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
+
+ return err;
+}
+
static int bcm54xx_config_init(struct phy_device *phydev)
{
int reg, err;
err = phy_write(phydev, MII_BCM54XX_IMR, reg);
if (err < 0)
return err;
+
+ if (phydev->drv->phy_id == PHY_ID_BCM50610) {
+ err = bcm50610_a0_workaround(phydev);
+ if (err < 0)
+ return err;
+ }
+
return 0;
}
+static int bcm5482_config_init(struct phy_device *phydev)
+{
+ int err, reg;
+
+ err = bcm54xx_config_init(phydev);
+
+ if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
+ /*
+ * Enable secondary SerDes and its use as an LED source
+ */
+ reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_SSD);
+ bcm54xx_shadow_write(phydev, BCM5482_SHD_SSD,
+ reg |
+ BCM5482_SHD_SSD_LEDM |
+ BCM5482_SHD_SSD_EN);
+
+ /*
+ * Enable SGMII slave mode and auto-detection
+ */
+ reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD;
+ err = bcm54xx_exp_read(phydev, reg);
+ if (err < 0)
+ return err;
+ err = bcm54xx_exp_write(phydev, reg, err |
+ BCM5482_SSD_SGMII_SLAVE_EN |
+ BCM5482_SSD_SGMII_SLAVE_AD);
+ if (err < 0)
+ return err;
+
+ /*
+ * Disable secondary SerDes powerdown
+ */
+ reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD;
+ err = bcm54xx_exp_read(phydev, reg);
+ if (err < 0)
+ return err;
+ err = bcm54xx_exp_write(phydev, reg,
+ err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN);
+ if (err < 0)
+ return err;
+
+ /*
+ * Select 1000BASE-X register set (primary SerDes)
+ */
+ reg = bcm54xx_shadow_read(phydev, BCM5482_SHD_MODE);
+ bcm54xx_shadow_write(phydev, BCM5482_SHD_MODE,
+ reg | BCM5482_SHD_MODE_1000BX);
+
+ /*
+ * LED1=ACTIVITYLED, LED3=LINKSPD[2]
+ * (Use LED1 as secondary SerDes ACTIVITY LED)
+ */
+ bcm54xx_shadow_write(phydev, BCM5482_SHD_LEDS1,
+ BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) |
+ BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2));
+
+ /*
+ * Auto-negotiation doesn't seem to work quite right
+ * in this mode, so we disable it and force it to the
+ * right speed/duplex setting. Only 'link status'
+ * is important.
+ */
+ phydev->autoneg = AUTONEG_DISABLE;
+ phydev->speed = SPEED_1000;
+ phydev->duplex = DUPLEX_FULL;
+ }
+
+ return err;
+}
+
+static int bcm5482_read_status(struct phy_device *phydev)
+{
+ int err;
+
+ err = genphy_read_status(phydev);
+
+ if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
+ /*
+ * Only link status matters for 1000Base-X mode, so force
+ * 1000 Mbit/s full-duplex status
+ */
+ if (phydev->link) {
+ phydev->speed = SPEED_1000;
+ phydev->duplex = DUPLEX_FULL;
+ }
+ }
+
+ return err;
+}
+
static int bcm54xx_ack_interrupt(struct phy_device *phydev)
{
int reg;
.phy_id = 0x00206070,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5411",
- .features = PHY_GBIT_FEATURES,
+ .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,
.phy_id = 0x002060e0,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5421",
- .features = PHY_GBIT_FEATURES,
+ .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,
.phy_id = 0x002060c0,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5461",
- .features = PHY_GBIT_FEATURES,
+ .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,
.phy_id = 0x002060b0,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5464",
- .features = PHY_GBIT_FEATURES,
+ .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,
.phy_id = 0x0143bca0,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5481",
- .features = PHY_GBIT_FEATURES,
+ .features = PHY_GBIT_FEATURES |
+ SUPPORTED_Pause | SUPPORTED_Asym_Pause,
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
.config_init = bcm54xx_config_init,
.config_aneg = bcm5481_config_aneg,
.phy_id = 0x0143bcb0,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5482",
- .features = PHY_GBIT_FEATURES,
+ .features = PHY_GBIT_FEATURES |
+ SUPPORTED_Pause | SUPPORTED_Asym_Pause,
+ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .config_init = bcm5482_config_init,
+ .config_aneg = genphy_config_aneg,
+ .read_status = bcm5482_read_status,
+ .ack_interrupt = bcm54xx_ack_interrupt,
+ .config_intr = bcm54xx_config_intr,
+ .driver = { .owner = THIS_MODULE },
+};
+
+static struct phy_driver bcm50610_driver = {
+ .phy_id = PHY_ID_BCM50610,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCM50610",
+ .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,
ret = phy_driver_register(&bcm5482_driver);
if (ret)
goto out_5482;
+ ret = phy_driver_register(&bcm50610_driver);
+ if (ret)
+ goto out_50610;
return ret;
+out_50610:
+ phy_driver_unregister(&bcm5482_driver);
out_5482:
phy_driver_unregister(&bcm5481_driver);
out_5481:
static void __exit broadcom_exit(void)
{
+ phy_driver_unregister(&bcm50610_driver);
phy_driver_unregister(&bcm5482_driver);
phy_driver_unregister(&bcm5481_driver);
phy_driver_unregister(&bcm5464_driver);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff