diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/phy/marvell.c | 181 |
1 files changed, 98 insertions, 83 deletions
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 88cd97b44ba6..2bd83920f565 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -41,6 +41,12 @@ #include <linux/uaccess.h> #define MII_MARVELL_PHY_PAGE 22 +#define MII_MARVELL_COPPER_PAGE 0x00 +#define MII_MARVELL_FIBER_PAGE 0x01 +#define MII_MARVELL_MSCR_PAGE 0x02 +#define MII_MARVELL_LED_PAGE 0x03 +#define MII_MARVELL_MISC_TEST_PAGE 0x06 +#define MII_MARVELL_WOL_PAGE 0x11 #define MII_M1011_IEVENT 0x13 #define MII_M1011_IEVENT_CLEAR 0x0000 @@ -54,7 +60,6 @@ #define MII_M1011_PHY_SCR_MDI_X 0x0020 #define MII_M1011_PHY_SCR_AUTO_CROSS 0x0060 -#define MII_M1145_PHY_EXT_ADDR_PAGE 0x16 #define MII_M1145_PHY_EXT_SR 0x1b #define MII_M1145_PHY_EXT_CR 0x14 #define MII_M1145_RGMII_RX_DELAY 0x0080 @@ -83,10 +88,6 @@ #define MII_M1111_HWCFG_FIBER_COPPER_AUTO 0x8000 #define MII_M1111_HWCFG_FIBER_COPPER_RES 0x2000 -#define MII_M1111_COPPER 0 -#define MII_M1111_FIBER 1 - -#define MII_88E1121_PHY_MSCR_PAGE 2 #define MII_88E1121_PHY_MSCR_REG 21 #define MII_88E1121_PHY_MSCR_RX_DELAY BIT(5) #define MII_88E1121_PHY_MSCR_TX_DELAY BIT(4) @@ -112,7 +113,6 @@ #define MII_88E1318S_PHY_CSIER_WOL_EIE BIT(7) /* LED Timer Control Register */ -#define MII_88E1318S_PHY_LED_PAGE 0x03 #define MII_88E1318S_PHY_LED_TCR 0x12 #define MII_88E1318S_PHY_LED_TCR_FORCE_INT BIT(15) #define MII_88E1318S_PHY_LED_TCR_INTn_ENABLE BIT(7) @@ -123,13 +123,11 @@ #define MII_88E1318S_PHY_MAGIC_PACKET_WORD1 0x18 #define MII_88E1318S_PHY_MAGIC_PACKET_WORD0 0x19 -#define MII_88E1318S_PHY_WOL_PAGE 0x11 #define MII_88E1318S_PHY_WOL_CTRL 0x10 #define MII_88E1318S_PHY_WOL_CTRL_CLEAR_WOL_STATUS BIT(12) #define MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE BIT(14) #define MII_88E1121_PHY_LED_CTRL 16 -#define MII_88E1121_PHY_LED_PAGE 3 #define MII_88E1121_PHY_LED_DEF 0x0030 #define MII_M1011_PHY_STATUS 0x11 @@ -199,6 +197,19 @@ static int marvell_set_page(struct phy_device *phydev, int page) return phy_write(phydev, MII_MARVELL_PHY_PAGE, page); } +static int marvell_get_set_page(struct phy_device *phydev, int page) +{ + int oldpage = marvell_get_page(phydev); + + if (oldpage < 0) + return oldpage; + + if (page != oldpage) + return marvell_set_page(phydev, page); + + return 0; +} + static int marvell_ack_interrupt(struct phy_device *phydev) { int err; @@ -452,11 +463,9 @@ static int m88e1121_config_aneg(struct phy_device *phydev) { int err, oldpage, mscr; - oldpage = marvell_get_page(phydev); - - err = marvell_set_page(phydev, MII_88E1121_PHY_MSCR_PAGE); - if (err < 0) - return err; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_MSCR_PAGE); + if (oldpage < 0) + return oldpage; if (phy_interface_is_rgmii(phydev)) { mscr = phy_read(phydev, MII_88E1121_PHY_MSCR_REG) & @@ -493,11 +502,9 @@ static int m88e1318_config_aneg(struct phy_device *phydev) { int err, oldpage, mscr; - oldpage = marvell_get_page(phydev); - - err = marvell_set_page(phydev, MII_88E1121_PHY_MSCR_PAGE); - if (err < 0) - return err; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_MSCR_PAGE); + if (oldpage < 0) + return oldpage; mscr = phy_read(phydev, MII_88E1318S_PHY_MSCR1_REG); mscr |= MII_88E1318S_PHY_MSCR1_PAD_ODD; @@ -606,7 +613,7 @@ static int m88e1510_config_aneg(struct phy_device *phydev) { int err; - err = marvell_set_page(phydev, MII_M1111_COPPER); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; @@ -616,7 +623,7 @@ static int m88e1510_config_aneg(struct phy_device *phydev) goto error; /* Then the fiber link */ - err = marvell_set_page(phydev, MII_M1111_FIBER); + err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; @@ -624,10 +631,10 @@ static int m88e1510_config_aneg(struct phy_device *phydev) if (err < 0) goto error; - return marvell_set_page(phydev, MII_M1111_COPPER); + return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); error: - marvell_set_page(phydev, MII_M1111_COPPER); + marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } @@ -650,7 +657,7 @@ static int m88e1116r_config_init(struct phy_device *phydev) mdelay(500); - err = marvell_set_page(phydev, 0); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; @@ -662,7 +669,7 @@ static int m88e1116r_config_init(struct phy_device *phydev) if (err < 0) return err; - err = marvell_set_page(phydev, 2); + err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE); if (err < 0) return err; temp = phy_read(phydev, MII_M1116R_CONTROL_REG_MAC); @@ -671,7 +678,7 @@ static int m88e1116r_config_init(struct phy_device *phydev) err = phy_write(phydev, MII_M1116R_CONTROL_REG_MAC, temp); if (err < 0) return err; - err = marvell_set_page(phydev, 0); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; @@ -760,11 +767,7 @@ static int m88e1111_config_init_sgmii(struct phy_device *phydev) return err; /* make sure copper is selected */ - err = phy_read(phydev, MII_M1145_PHY_EXT_ADDR_PAGE); - if (err < 0) - return err; - - return phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, err & (~0xff)); + return marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); } static int m88e1111_config_init_rtbi(struct phy_device *phydev) @@ -847,11 +850,9 @@ static int m88e1121_config_init(struct phy_device *phydev) { int err, oldpage; - oldpage = marvell_get_page(phydev); - - err = marvell_set_page(phydev, MII_88E1121_PHY_LED_PAGE); - if (err < 0) - return err; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_LED_PAGE); + if (oldpage < 0) + return oldpage; /* Default PHY LED config: LED[0] .. Link, LED[1] .. Activity */ err = phy_write(phydev, MII_88E1121_PHY_LED_CTRL, @@ -892,7 +893,7 @@ static int m88e1510_config_init(struct phy_device *phydev) return err; /* Reset page selection */ - err = marvell_set_page(phydev, 0); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; } @@ -922,7 +923,7 @@ static int m88e1118_config_init(struct phy_device *phydev) int err; /* Change address */ - err = marvell_set_page(phydev, 2); + err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE); if (err < 0) return err; @@ -932,7 +933,7 @@ static int m88e1118_config_init(struct phy_device *phydev) return err; /* Change address */ - err = marvell_set_page(phydev, 3); + err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE); if (err < 0) return err; @@ -949,7 +950,7 @@ static int m88e1118_config_init(struct phy_device *phydev) return err; /* Reset address */ - err = marvell_set_page(phydev, 0); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; @@ -961,7 +962,7 @@ static int m88e1149_config_init(struct phy_device *phydev) int err; /* Change address */ - err = marvell_set_page(phydev, 2); + err = marvell_set_page(phydev, MII_MARVELL_MSCR_PAGE); if (err < 0) return err; @@ -975,7 +976,7 @@ static int m88e1149_config_init(struct phy_device *phydev) return err; /* Reset address */ - err = marvell_set_page(phydev, 0); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; @@ -1245,7 +1246,7 @@ static int marvell_read_status_page(struct phy_device *phydev, int page) /* Detect and update the link, but return if there * was an error */ - if (page == MII_M1111_FIBER) + if (page == MII_MARVELL_FIBER_PAGE) fiber = 1; else fiber = 0; @@ -1278,11 +1279,11 @@ static int marvell_read_status(struct phy_device *phydev) /* Check the fiber mode first */ if (phydev->supported & SUPPORTED_FIBRE && phydev->interface != PHY_INTERFACE_MODE_SGMII) { - err = marvell_set_page(phydev, MII_M1111_FIBER); + err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; - err = marvell_read_status_page(phydev, MII_M1111_FIBER); + err = marvell_read_status_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; @@ -1297,15 +1298,15 @@ static int marvell_read_status(struct phy_device *phydev) return 0; /* If fiber link is down, check and save copper mode state */ - err = marvell_set_page(phydev, MII_M1111_COPPER); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; } - return marvell_read_status_page(phydev, MII_M1111_COPPER); + return marvell_read_status_page(phydev, MII_MARVELL_COPPER_PAGE); error: - marvell_set_page(phydev, MII_M1111_COPPER); + marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } @@ -1320,7 +1321,7 @@ static int marvell_suspend(struct phy_device *phydev) /* Suspend the fiber mode first */ if (!(phydev->supported & SUPPORTED_FIBRE)) { - err = marvell_set_page(phydev, MII_M1111_FIBER); + err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; @@ -1330,7 +1331,7 @@ static int marvell_suspend(struct phy_device *phydev) goto error; /* Then, the copper link */ - err = marvell_set_page(phydev, MII_M1111_COPPER); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; } @@ -1339,7 +1340,7 @@ static int marvell_suspend(struct phy_device *phydev) return genphy_suspend(phydev); error: - marvell_set_page(phydev, MII_M1111_COPPER); + marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } @@ -1354,7 +1355,7 @@ static int marvell_resume(struct phy_device *phydev) /* Resume the fiber mode first */ if (!(phydev->supported & SUPPORTED_FIBRE)) { - err = marvell_set_page(phydev, MII_M1111_FIBER); + err = marvell_set_page(phydev, MII_MARVELL_FIBER_PAGE); if (err < 0) goto error; @@ -1364,7 +1365,7 @@ static int marvell_resume(struct phy_device *phydev) goto error; /* Then, the copper link */ - err = marvell_set_page(phydev, MII_M1111_COPPER); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) goto error; } @@ -1373,7 +1374,7 @@ static int marvell_resume(struct phy_device *phydev) return genphy_resume(phydev); error: - marvell_set_page(phydev, MII_M1111_COPPER); + marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); return err; } @@ -1402,14 +1403,14 @@ static void m88e1318_get_wol(struct phy_device *phydev, wol->supported = WAKE_MAGIC; wol->wolopts = 0; - if (marvell_set_page(phydev, MII_88E1318S_PHY_WOL_PAGE) < 0) + if (marvell_set_page(phydev, MII_MARVELL_WOL_PAGE) < 0) return; if (phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL) & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE) wol->wolopts |= WAKE_MAGIC; - if (marvell_set_page(phydev, 0x00) < 0) + if (marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE) < 0) return; } @@ -1422,7 +1423,7 @@ static int m88e1318_set_wol(struct phy_device *phydev, if (wol->wolopts & WAKE_MAGIC) { /* Explicitly switch to page 0x00, just to be sure */ - err = marvell_set_page(phydev, 0x00); + err = marvell_set_page(phydev, MII_MARVELL_COPPER_PAGE); if (err < 0) return err; @@ -1433,7 +1434,7 @@ static int m88e1318_set_wol(struct phy_device *phydev, if (err < 0) return err; - err = marvell_set_page(phydev, MII_88E1318S_PHY_LED_PAGE); + err = marvell_set_page(phydev, MII_MARVELL_LED_PAGE); if (err < 0) return err; @@ -1446,7 +1447,7 @@ static int m88e1318_set_wol(struct phy_device *phydev, if (err < 0) return err; - err = marvell_set_page(phydev, MII_88E1318S_PHY_WOL_PAGE); + err = marvell_set_page(phydev, MII_MARVELL_WOL_PAGE); if (err < 0) return err; @@ -1475,7 +1476,7 @@ static int m88e1318_set_wol(struct phy_device *phydev, if (err < 0) return err; } else { - err = marvell_set_page(phydev, MII_88E1318S_PHY_WOL_PAGE); + err = marvell_set_page(phydev, MII_MARVELL_WOL_PAGE); if (err < 0) return err; @@ -1520,12 +1521,11 @@ static u64 marvell_get_stat(struct phy_device *phydev, int i) { struct marvell_hw_stat stat = marvell_hw_stats[i]; struct marvell_priv *priv = phydev->priv; - int err, oldpage, val; + int oldpage, val; u64 ret; - oldpage = marvell_get_page(phydev); - err = marvell_set_page(phydev, stat.page); - if (err < 0) + oldpage = marvell_get_set_page(phydev, stat.page); + if (oldpage < 0) return UINT64_MAX; val = phy_read(phydev, stat.reg); @@ -1554,6 +1554,7 @@ static void marvell_get_stats(struct phy_device *phydev, #ifdef CONFIG_HWMON static int m88e1121_get_temp(struct phy_device *phydev, long *temp) { + int oldpage; int ret; int val; @@ -1561,9 +1562,11 @@ static int m88e1121_get_temp(struct phy_device *phydev, long *temp) mutex_lock(&phydev->lock); - ret = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x6); - if (ret < 0) - goto error; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_MISC_TEST_PAGE); + if (oldpage < 0) { + mutex_unlock(&phydev->lock); + return oldpage; + } /* Enable temperature sensor */ ret = phy_read(phydev, MII_88E1121_MISC_TEST); @@ -1593,7 +1596,7 @@ static int m88e1121_get_temp(struct phy_device *phydev, long *temp) *temp = ((val & MII_88E1121_MISC_TEST_TEMP_MASK) - 5) * 5000; error: - phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x0); + marvell_set_page(phydev, oldpage); mutex_unlock(&phydev->lock); return ret; @@ -1670,15 +1673,18 @@ static const struct hwmon_chip_info m88e1121_hwmon_chip_info = { static int m88e1510_get_temp(struct phy_device *phydev, long *temp) { + int oldpage; int ret; *temp = 0; mutex_lock(&phydev->lock); - ret = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x6); - if (ret < 0) - goto error; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_MISC_TEST_PAGE); + if (oldpage < 0) { + mutex_unlock(&phydev->lock); + return oldpage; + } ret = phy_read(phydev, MII_88E1510_TEMP_SENSOR); if (ret < 0) @@ -1687,7 +1693,7 @@ static int m88e1510_get_temp(struct phy_device *phydev, long *temp) *temp = ((ret & MII_88E1510_TEMP_SENSOR_MASK) - 25) * 1000; error: - phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x0); + marvell_set_page(phydev, oldpage); mutex_unlock(&phydev->lock); return ret; @@ -1695,15 +1701,18 @@ error: int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp) { + int oldpage; int ret; *temp = 0; mutex_lock(&phydev->lock); - ret = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x6); - if (ret < 0) - goto error; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_MISC_TEST_PAGE); + if (oldpage < 0) { + mutex_unlock(&phydev->lock); + return oldpage; + } ret = phy_read(phydev, MII_88E1121_MISC_TEST); if (ret < 0) @@ -1715,7 +1724,7 @@ int m88e1510_get_temp_critical(struct phy_device *phydev, long *temp) *temp *= 1000; error: - phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x0); + marvell_set_page(phydev, oldpage); mutex_unlock(&phydev->lock); return ret; @@ -1723,13 +1732,16 @@ error: int m88e1510_set_temp_critical(struct phy_device *phydev, long temp) { + int oldpage; int ret; mutex_lock(&phydev->lock); - ret = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x6); - if (ret < 0) - goto error; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_MISC_TEST_PAGE); + if (oldpage < 0) { + mutex_unlock(&phydev->lock); + return oldpage; + } ret = phy_read(phydev, MII_88E1121_MISC_TEST); if (ret < 0) @@ -1742,7 +1754,7 @@ int m88e1510_set_temp_critical(struct phy_device *phydev, long temp) (temp << MII_88E1510_MISC_TEST_TEMP_THRESHOLD_SHIFT)); error: - phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x0); + marvell_set_page(phydev, oldpage); mutex_unlock(&phydev->lock); return ret; @@ -1750,15 +1762,18 @@ error: int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm) { + int oldpage; int ret; *alarm = false; mutex_lock(&phydev->lock); - ret = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x6); - if (ret < 0) - goto error; + oldpage = marvell_get_set_page(phydev, MII_MARVELL_MISC_TEST_PAGE); + if (oldpage < 0) { + mutex_unlock(&phydev->lock); + return oldpage; + } ret = phy_read(phydev, MII_88E1121_MISC_TEST); if (ret < 0) @@ -1766,7 +1781,7 @@ int m88e1510_get_temp_alarm(struct phy_device *phydev, long *alarm) *alarm = !!(ret & MII_88E1510_MISC_TEST_TEMP_IRQ); error: - phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, 0x0); + marvell_set_page(phydev, oldpage); mutex_unlock(&phydev->lock); return ret; |