]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
net: phy: micrel: Remove ksz90x1 drivers from micrel_ksz8xxx
authorAlexandru Gagniuc <alex.g@adaptrum.com>
Fri, 7 Jul 2017 18:36:59 +0000 (11:36 -0700)
committerJoe Hershberger <joe.hershberger@ni.com>
Mon, 7 Aug 2017 20:18:30 +0000 (15:18 -0500)
There should be no longer be any ksz9000 users that pick up the PHY
driver from ksz8xxx, so remove ksz9000 remnants from there.

Signed-off-by: Alexandru Gagniuc <alex.g@adaptrum.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
drivers/net/phy/micrel_ksz8xxx.c

index 552592bb44edc91e375e0393a55d504fad065b64..ec628bb27ad5548b1271bde14214d371a8e36093 100644 (file)
@@ -151,11 +151,7 @@ static struct phy_driver ksz8895_driver = {
        .shutdown = &genphy_shutdown,
 };
 
-#ifndef CONFIG_PHY_MICREL_KSZ9021
-/*
- * I can't believe Micrel used the exact same part number
- * for the KSZ9021. Shame Micrel, Shame!
- */
+/* Micrel used the exact same part number for the KSZ9021. */
 static struct phy_driver KS8721_driver = {
        .name = "Micrel KS8721BL",
        .uid = 0x221610,
@@ -165,353 +161,6 @@ static struct phy_driver KS8721_driver = {
        .startup = &genphy_startup,
        .shutdown = &genphy_shutdown,
 };
-#endif
-
-
-/*
- * KSZ9021 - KSZ9031 common
- */
-
-#define MII_KSZ90xx_PHY_CTL            0x1f
-#define MIIM_KSZ90xx_PHYCTL_1000       (1 << 6)
-#define MIIM_KSZ90xx_PHYCTL_100                (1 << 5)
-#define MIIM_KSZ90xx_PHYCTL_10         (1 << 4)
-#define MIIM_KSZ90xx_PHYCTL_DUPLEX     (1 << 3)
-
-static int ksz90xx_startup(struct phy_device *phydev)
-{
-       unsigned phy_ctl;
-       int ret;
-
-       ret = genphy_update_link(phydev);
-       if (ret)
-               return ret;
-
-       phy_ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ90xx_PHY_CTL);
-
-       if (phy_ctl & MIIM_KSZ90xx_PHYCTL_DUPLEX)
-               phydev->duplex = DUPLEX_FULL;
-       else
-               phydev->duplex = DUPLEX_HALF;
-
-       if (phy_ctl & MIIM_KSZ90xx_PHYCTL_1000)
-               phydev->speed = SPEED_1000;
-       else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_100)
-               phydev->speed = SPEED_100;
-       else if (phy_ctl & MIIM_KSZ90xx_PHYCTL_10)
-               phydev->speed = SPEED_10;
-       return 0;
-}
-
-/* Common OF config bits for KSZ9021 and KSZ9031 */
-#if defined(CONFIG_PHY_MICREL_KSZ9021) || defined(CONFIG_PHY_MICREL_KSZ9031)
-#ifdef CONFIG_DM_ETH
-struct ksz90x1_reg_field {
-       const char      *name;
-       const u8        size;   /* Size of the bitfield, in bits */
-       const u8        off;    /* Offset from bit 0 */
-       const u8        dflt;   /* Default value */
-};
-
-struct ksz90x1_ofcfg {
-       const u16                       reg;
-       const u16                       devad;
-       const struct ksz90x1_reg_field  *grp;
-       const u16                       grpsz;
-};
-
-static const struct ksz90x1_reg_field ksz90x1_rxd_grp[] = {
-       { "rxd0-skew-ps", 4, 0, 0x7 }, { "rxd1-skew-ps", 4, 4, 0x7 },
-       { "rxd2-skew-ps", 4, 8, 0x7 }, { "rxd3-skew-ps", 4, 12, 0x7 }
-};
-
-static const struct ksz90x1_reg_field ksz90x1_txd_grp[] = {
-       { "txd0-skew-ps", 4, 0, 0x7 }, { "txd1-skew-ps", 4, 4, 0x7 },
-       { "txd2-skew-ps", 4, 8, 0x7 }, { "txd3-skew-ps", 4, 12, 0x7 },
-};
-
-static int ksz90x1_of_config_group(struct phy_device *phydev,
-                                  struct ksz90x1_ofcfg *ofcfg)
-{
-       struct udevice *dev = phydev->dev;
-       struct phy_driver *drv = phydev->drv;
-       const int ps_to_regval = 60;
-       int val[4];
-       int i, changed = 0, offset, max;
-       u16 regval = 0;
-
-       if (!drv || !drv->writeext)
-               return -EOPNOTSUPP;
-
-       for (i = 0; i < ofcfg->grpsz; i++) {
-               val[i] = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev),
-                                        ofcfg->grp[i].name, -1);
-               offset = ofcfg->grp[i].off;
-               if (val[i] == -1) {
-                       /* Default register value for KSZ9021 */
-                       regval |= ofcfg->grp[i].dflt << offset;
-               } else {
-                       changed = 1;    /* Value was changed in OF */
-                       /* Calculate the register value and fix corner cases */
-                       if (val[i] > ps_to_regval * 0xf) {
-                               max = (1 << ofcfg->grp[i].size) - 1;
-                               regval |= max << offset;
-                       } else {
-                               regval |= (val[i] / ps_to_regval) << offset;
-                       }
-               }
-       }
-
-       if (!changed)
-               return 0;
-
-       return drv->writeext(phydev, 0, ofcfg->devad, ofcfg->reg, regval);
-}
-#endif
-#endif
-
-#ifdef CONFIG_PHY_MICREL_KSZ9021
-/*
- * KSZ9021
- */
-
-/* PHY Registers */
-#define MII_KSZ9021_EXTENDED_CTRL      0x0b
-#define MII_KSZ9021_EXTENDED_DATAW     0x0c
-#define MII_KSZ9021_EXTENDED_DATAR     0x0d
-
-#define CTRL1000_PREFER_MASTER         (1 << 10)
-#define CTRL1000_CONFIG_MASTER         (1 << 11)
-#define CTRL1000_MANUAL_CONFIG         (1 << 12)
-
-#if defined(CONFIG_DM_ETH) && (defined(CONFIG_PHY_MICREL_KSZ9021) || \
-                              defined(CONFIG_PHY_MICREL_KSZ9031))
-static const struct ksz90x1_reg_field ksz9021_clk_grp[] = {
-       { "txen-skew-ps", 4, 0, 0x7 }, { "txc-skew-ps", 4, 4, 0x7 },
-       { "rxdv-skew-ps", 4, 8, 0x7 }, { "rxc-skew-ps", 4, 12, 0x7 },
-};
-
-static int ksz9021_of_config(struct phy_device *phydev)
-{
-       struct ksz90x1_ofcfg ofcfg[] = {
-               { MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0, ksz90x1_rxd_grp, 4 },
-               { MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0, ksz90x1_txd_grp, 4 },
-               { MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0, ksz9021_clk_grp, 4 },
-       };
-       int i, ret = 0;
-
-       for (i = 0; i < ARRAY_SIZE(ofcfg); i++) {
-               ret = ksz90x1_of_config_group(phydev, &(ofcfg[i]));
-               if (ret)
-                       return ret;
-       }
-
-       return 0;
-}
-#else
-static int ksz9021_of_config(struct phy_device *phydev)
-{
-       return 0;
-}
-#endif
-
-int ksz9021_phy_extended_write(struct phy_device *phydev, int regnum, u16 val)
-{
-       /* extended registers */
-       phy_write(phydev, MDIO_DEVAD_NONE,
-               MII_KSZ9021_EXTENDED_CTRL, regnum | 0x8000);
-       return phy_write(phydev, MDIO_DEVAD_NONE,
-               MII_KSZ9021_EXTENDED_DATAW, val);
-}
-
-int ksz9021_phy_extended_read(struct phy_device *phydev, int regnum)
-{
-       /* extended registers */
-       phy_write(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_EXTENDED_CTRL, regnum);
-       return phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9021_EXTENDED_DATAR);
-}
-
-
-static int ksz9021_phy_extread(struct phy_device *phydev, int addr, int devaddr,
-                             int regnum)
-{
-       return ksz9021_phy_extended_read(phydev, regnum);
-}
-
-static int ksz9021_phy_extwrite(struct phy_device *phydev, int addr,
-                              int devaddr, int regnum, u16 val)
-{
-       return ksz9021_phy_extended_write(phydev, regnum, val);
-}
-
-/* Micrel ksz9021 */
-static int ksz9021_config(struct phy_device *phydev)
-{
-       unsigned ctrl1000 = 0;
-       const unsigned master = CTRL1000_PREFER_MASTER |
-                       CTRL1000_CONFIG_MASTER | CTRL1000_MANUAL_CONFIG;
-       unsigned features = phydev->drv->features;
-       int ret;
-
-       ret = ksz9021_of_config(phydev);
-       if (ret)
-               return ret;
-
-       if (getenv("disable_giga"))
-               features &= ~(SUPPORTED_1000baseT_Half |
-                               SUPPORTED_1000baseT_Full);
-       /* force master mode for 1000BaseT due to chip errata */
-       if (features & SUPPORTED_1000baseT_Half)
-               ctrl1000 |= ADVERTISE_1000HALF | master;
-       if (features & SUPPORTED_1000baseT_Full)
-               ctrl1000 |= ADVERTISE_1000FULL | master;
-       phydev->advertising = features;
-       phydev->supported = features;
-       phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, ctrl1000);
-       genphy_config_aneg(phydev);
-       genphy_restart_aneg(phydev);
-       return 0;
-}
-
-static struct phy_driver ksz9021_driver = {
-       .name = "Micrel ksz9021",
-       .uid  = 0x221610,
-       .mask = 0xfffff0,
-       .features = PHY_GBIT_FEATURES,
-       .config = &ksz9021_config,
-       .startup = &ksz90xx_startup,
-       .shutdown = &genphy_shutdown,
-       .writeext = &ksz9021_phy_extwrite,
-       .readext = &ksz9021_phy_extread,
-};
-#endif
-
-/**
- * KSZ9031
- */
-/* PHY Registers */
-#define MII_KSZ9031_MMD_ACCES_CTRL     0x0d
-#define MII_KSZ9031_MMD_REG_DATA       0x0e
-
-#if defined(CONFIG_DM_ETH) && (defined(CONFIG_PHY_MICREL_KSZ9021) || \
-                              defined(CONFIG_PHY_MICREL_KSZ9031))
-static const struct ksz90x1_reg_field ksz9031_ctl_grp[] =
-       { { "txen-skew-ps", 4, 0, 0x7 }, { "rxdv-skew-ps", 4, 4, 0x7 } };
-static const struct ksz90x1_reg_field ksz9031_clk_grp[] =
-       { { "rxc-skew-ps", 5, 0, 0xf }, { "txc-skew-ps", 5, 5, 0xf } };
-
-static int ksz9031_of_config(struct phy_device *phydev)
-{
-       struct ksz90x1_ofcfg ofcfg[] = {
-               { MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, 2, ksz9031_ctl_grp, 2 },
-               { MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, 2, ksz90x1_rxd_grp, 4 },
-               { MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, 2, ksz90x1_txd_grp, 4 },
-               { MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, 2, ksz9031_clk_grp, 2 },
-       };
-       int i, ret = 0;
-
-       for (i = 0; i < ARRAY_SIZE(ofcfg); i++) {
-               ret = ksz90x1_of_config_group(phydev, &(ofcfg[i]));
-               if (ret)
-                       return ret;
-       }
-
-       return 0;
-}
-
-static int ksz9031_center_flp_timing(struct phy_device *phydev)
-{
-       struct phy_driver *drv = phydev->drv;
-       int ret = 0;
-
-       if (!drv || !drv->writeext)
-               return -EOPNOTSUPP;
-
-       ret = drv->writeext(phydev, 0, 0, MII_KSZ9031_FLP_BURST_TX_LO, 0x1A80);
-       if (ret)
-               return ret;
-
-       ret = drv->writeext(phydev, 0, 0, MII_KSZ9031_FLP_BURST_TX_HI, 0x6);
-       return ret;
-}
-#else
-static int ksz9031_of_config(struct phy_device *phydev)
-{
-       return 0;
-}
-static int ksz9031_center_flp_timing(struct phy_device *phydev)
-{
-       return 0;
-}
-#endif
-
-/* Accessors to extended registers*/
-int ksz9031_phy_extended_write(struct phy_device *phydev,
-                              int devaddr, int regnum, u16 mode, u16 val)
-{
-       /*select register addr for mmd*/
-       phy_write(phydev, MDIO_DEVAD_NONE,
-                 MII_KSZ9031_MMD_ACCES_CTRL, devaddr);
-       /*select register for mmd*/
-       phy_write(phydev, MDIO_DEVAD_NONE,
-                 MII_KSZ9031_MMD_REG_DATA, regnum);
-       /*setup mode*/
-       phy_write(phydev, MDIO_DEVAD_NONE,
-                 MII_KSZ9031_MMD_ACCES_CTRL, (mode | devaddr));
-       /*write the value*/
-       return  phy_write(phydev, MDIO_DEVAD_NONE,
-               MII_KSZ9031_MMD_REG_DATA, val);
-}
-
-int ksz9031_phy_extended_read(struct phy_device *phydev, int devaddr,
-                             int regnum, u16 mode)
-{
-       phy_write(phydev, MDIO_DEVAD_NONE,
-                 MII_KSZ9031_MMD_ACCES_CTRL, devaddr);
-       phy_write(phydev, MDIO_DEVAD_NONE,
-                 MII_KSZ9031_MMD_REG_DATA, regnum);
-       phy_write(phydev, MDIO_DEVAD_NONE,
-                 MII_KSZ9031_MMD_ACCES_CTRL, (devaddr | mode));
-       return phy_read(phydev, MDIO_DEVAD_NONE, MII_KSZ9031_MMD_REG_DATA);
-}
-
-static int ksz9031_phy_extread(struct phy_device *phydev, int addr, int devaddr,
-                              int regnum)
-{
-       return ksz9031_phy_extended_read(phydev, devaddr, regnum,
-                                        MII_KSZ9031_MOD_DATA_NO_POST_INC);
-}
-
-static int ksz9031_phy_extwrite(struct phy_device *phydev, int addr,
-                               int devaddr, int regnum, u16 val)
-{
-       return ksz9031_phy_extended_write(phydev, devaddr, regnum,
-                                        MII_KSZ9031_MOD_DATA_POST_INC_RW, val);
-}
-
-static int ksz9031_config(struct phy_device *phydev)
-{
-       int ret;
-       ret = ksz9031_of_config(phydev);
-       if (ret)
-               return ret;
-       ret = ksz9031_center_flp_timing(phydev);
-       if (ret)
-               return ret;
-       return genphy_config(phydev);
-}
-
-static struct phy_driver ksz9031_driver = {
-       .name = "Micrel ksz9031",
-       .uid  = 0x221620,
-       .mask = 0xfffff0,
-       .features = PHY_GBIT_FEATURES,
-       .config   = &ksz9031_config,
-       .startup  = &ksz90xx_startup,
-       .shutdown = &genphy_shutdown,
-       .writeext = &ksz9031_phy_extwrite,
-       .readext = &ksz9031_phy_extread,
-};
 
 int ksz886x_config(struct phy_device *phydev)
 {
@@ -544,12 +193,7 @@ int phy_micrel_ksz8xxx_init(void)
        phy_register(&KSZ8031_driver);
        phy_register(&KSZ8051_driver);
        phy_register(&KSZ8081_driver);
-#ifdef CONFIG_PHY_MICREL_KSZ9021
-       phy_register(&ksz9021_driver);
-#else
        phy_register(&KS8721_driver);
-#endif
-       phy_register(&ksz9031_driver);
        phy_register(&ksz8895_driver);
        phy_register(&ksz886x_driver);
        return 0;