.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,
.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)
{
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;
projects / platform / kernel / u-boot.git / commitdiff