X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fphy.h;h=b5de14cbfc293d7b5fb1b67ff2cbf22e2ba91bef;hb=915f15ac5746739da0aa2ee2840c2d00dc65aaaa;hp=268d9a1823f93cd1eab151053b23743080f399d7;hpb=dc557e9a1fe00ca9d884bd88feef5bebf23fede4;p=oweals%2Fu-boot.git diff --git a/include/phy.h b/include/phy.h index 268d9a1823..b5de14cbfc 100644 --- a/include/phy.h +++ b/include/phy.h @@ -1,19 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2011 Freescale Semiconductor, Inc. * Andy Fleming * - * SPDX-License-Identifier: GPL-2.0+ - * * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h */ #ifndef _PHY_H #define _PHY_H +#include +#include #include #include #include #include +#include +#include + +#define PHY_FIXED_ID 0xa5a55a5a +#define PHY_NCSI_ID 0xbeefcafe + +/* + * There is no actual id for this. + * This is just a dummy id for gmii2rgmmi converter. + */ +#define PHY_GMII2RGMII_ID 0x5a5a5a5a #define PHY_MAX_ADDR 32 @@ -47,52 +59,6 @@ #endif -typedef enum { - PHY_INTERFACE_MODE_MII, - PHY_INTERFACE_MODE_GMII, - PHY_INTERFACE_MODE_SGMII, - PHY_INTERFACE_MODE_SGMII_2500, - PHY_INTERFACE_MODE_QSGMII, - PHY_INTERFACE_MODE_TBI, - PHY_INTERFACE_MODE_RMII, - PHY_INTERFACE_MODE_RGMII, - PHY_INTERFACE_MODE_RGMII_ID, - PHY_INTERFACE_MODE_RGMII_RXID, - PHY_INTERFACE_MODE_RGMII_TXID, - PHY_INTERFACE_MODE_RTBI, - PHY_INTERFACE_MODE_XGMII, - PHY_INTERFACE_MODE_NONE, /* Must be last */ - - PHY_INTERFACE_MODE_COUNT, -} phy_interface_t; - -static const char *phy_interface_strings[] = { - [PHY_INTERFACE_MODE_MII] = "mii", - [PHY_INTERFACE_MODE_GMII] = "gmii", - [PHY_INTERFACE_MODE_SGMII] = "sgmii", - [PHY_INTERFACE_MODE_SGMII_2500] = "sgmii-2500", - [PHY_INTERFACE_MODE_QSGMII] = "qsgmii", - [PHY_INTERFACE_MODE_TBI] = "tbi", - [PHY_INTERFACE_MODE_RMII] = "rmii", - [PHY_INTERFACE_MODE_RGMII] = "rgmii", - [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id", - [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid", - [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid", - [PHY_INTERFACE_MODE_RTBI] = "rtbi", - [PHY_INTERFACE_MODE_XGMII] = "xgmii", - [PHY_INTERFACE_MODE_NONE] = "", -}; - -static inline const char *phy_string_for_interface(phy_interface_t i) -{ - /* Default to unknown */ - if (i > PHY_INTERFACE_MODE_NONE) - i = PHY_INTERFACE_MODE_NONE; - - return phy_interface_strings[i]; -} - - struct phy_device; #define MDIO_NAME_LEN 32 @@ -144,7 +110,18 @@ struct phy_driver { int (*readext)(struct phy_device *phydev, int addr, int devad, int reg); int (*writeext)(struct phy_device *phydev, int addr, int devad, int reg, u16 val); + + /* Phy specific driver override for reading a MMD register */ + int (*read_mmd)(struct phy_device *phydev, int devad, int reg); + + /* Phy specific driver override for writing a MMD register */ + int (*write_mmd)(struct phy_device *phydev, int devad, int reg, + u16 val); + struct list_head list; + + /* driver private data */ + ulong data; }; struct phy_device { @@ -156,6 +133,7 @@ struct phy_device { #ifdef CONFIG_DM_ETH struct udevice *dev; + ofnode node; #else struct eth_device *dev; #endif @@ -180,6 +158,7 @@ struct phy_device { int pause; int asym_pause; u32 phy_id; + bool is_c45; u32 flags; }; @@ -195,6 +174,11 @@ static inline int phy_read(struct phy_device *phydev, int devad, int regnum) { struct mii_dev *bus = phydev->bus; + if (!bus || !bus->read) { + debug("%s: No bus configured\n", __func__); + return -1; + } + return bus->read(bus, phydev->addr, devad, regnum); } @@ -203,34 +187,197 @@ static inline int phy_write(struct phy_device *phydev, int devad, int regnum, { struct mii_dev *bus = phydev->bus; + if (!bus || !bus->read) { + debug("%s: No bus configured\n", __func__); + return -1; + } + return bus->write(bus, phydev->addr, devad, regnum, val); } +static inline void phy_mmd_start_indirect(struct phy_device *phydev, int devad, + int regnum) +{ + /* Write the desired MMD Devad */ + phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_CTRL, devad); + + /* Write the desired MMD register address */ + phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA, regnum); + + /* Select the Function : DATA with no post increment */ + phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_CTRL, + (devad | MII_MMD_CTRL_NOINCR)); +} + +static inline int phy_read_mmd(struct phy_device *phydev, int devad, + int regnum) +{ + struct phy_driver *drv = phydev->drv; + + if (regnum > (u16)~0 || devad > 32) + return -EINVAL; + + /* driver-specific access */ + if (drv->read_mmd) + return drv->read_mmd(phydev, devad, regnum); + + /* direct C45 / C22 access */ + if ((drv->features & PHY_10G_FEATURES) == PHY_10G_FEATURES || + devad == MDIO_DEVAD_NONE || !devad) + return phy_read(phydev, devad, regnum); + + /* indirect C22 access */ + phy_mmd_start_indirect(phydev, devad, regnum); + + /* Read the content of the MMD's selected register */ + return phy_read(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA); +} + +static inline int phy_write_mmd(struct phy_device *phydev, int devad, + int regnum, u16 val) +{ + struct phy_driver *drv = phydev->drv; + + if (regnum > (u16)~0 || devad > 32) + return -EINVAL; + + /* driver-specific access */ + if (drv->write_mmd) + return drv->write_mmd(phydev, devad, regnum, val); + + /* direct C45 / C22 access */ + if ((drv->features & PHY_10G_FEATURES) == PHY_10G_FEATURES || + devad == MDIO_DEVAD_NONE || !devad) + return phy_write(phydev, devad, regnum, val); + + /* indirect C22 access */ + phy_mmd_start_indirect(phydev, devad, regnum); + + /* Write the data into MMD's selected register */ + return phy_write(phydev, MDIO_DEVAD_NONE, MII_MMD_DATA, val); +} + #ifdef CONFIG_PHYLIB_10G extern struct phy_driver gen10g_driver; -/* For now, XGMII is the only 10G interface */ +/* + * List all 10G interfaces here, the assumption being that PHYs on these + * interfaces are C45 + */ static inline int is_10g_interface(phy_interface_t interface) { - return interface == PHY_INTERFACE_MODE_XGMII; + return interface == PHY_INTERFACE_MODE_XGMII || + interface == PHY_INTERFACE_MODE_USXGMII || + interface == PHY_INTERFACE_MODE_XFI; } #endif +/** + * phy_init() - Initializes the PHY drivers + * + * This function registers all available PHY drivers + * + * @return 0 if OK, -ve on error + */ int phy_init(void); + +/** + * phy_reset() - Resets the specified PHY + * + * Issues a reset of the PHY and waits for it to complete + * + * @phydev: PHY to reset + * @return 0 if OK, -ve on error + */ int phy_reset(struct phy_device *phydev); + +/** + * phy_find_by_mask() - Searches for a PHY on the specified MDIO bus + * + * The function checks the PHY addresses flagged in phy_mask and returns a + * phy_device pointer if it detects a PHY. + * This function should only be called if just one PHY is expected to be present + * in the set of addresses flagged in phy_mask. If multiple PHYs are present, + * it is undefined which of these PHYs is returned. + * + * @bus: MII/MDIO bus to scan + * @phy_mask: bitmap of PYH addresses to scan + * @interface: type of MAC-PHY interface + * @return pointer to phy_device if a PHY is found, or NULL otherwise + */ struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask, phy_interface_t interface); + #ifdef CONFIG_DM_ETH + +/** + * phy_connect_dev() - Associates the given pair of PHY and Ethernet devices + * @phydev: PHY device + * @dev: Ethernet device + */ void phy_connect_dev(struct phy_device *phydev, struct udevice *dev); + +/** + * phy_connect() - Creates a PHY device for the Ethernet interface + * + * Creates a PHY device for the PHY at the given address, if one doesn't exist + * already, and associates it with the Ethernet device. + * The function may be called with addr <= 0, in this case addr value is ignored + * and the bus is scanned to detect a PHY. Scanning should only be used if only + * one PHY is expected to be present on the MDIO bus, otherwise it is undefined + * which PHY is returned. + * + * @bus: MII/MDIO bus that hosts the PHY + * @addr: PHY address on MDIO bus + * @dev: Ethernet device to associate to the PHY + * @interface: type of MAC-PHY interface + * @return pointer to phy_device if a PHY is found, or NULL otherwise + */ struct phy_device *phy_connect(struct mii_dev *bus, int addr, struct udevice *dev, phy_interface_t interface); + +static inline ofnode phy_get_ofnode(struct phy_device *phydev) +{ + if (ofnode_valid(phydev->node)) + return phydev->node; + else + return dev_ofnode(phydev->dev); +} #else + +/** + * phy_connect_dev() - Associates the given pair of PHY and Ethernet devices + * @phydev: PHY device + * @dev: Ethernet device + */ void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev); + +/** + * phy_connect() - Creates a PHY device for the Ethernet interface + * + * Creates a PHY device for the PHY at the given address, if one doesn't exist + * already, and associates it with the Ethernet device. + * The function may be called with addr <= 0, in this case addr value is ignored + * and the bus is scanned to detect a PHY. Scanning should only be used if only + * one PHY is expected to be present on the MDIO bus, otherwise it is undefined + * which PHY is returned. + * + * @bus: MII/MDIO bus that hosts the PHY + * @addr: PHY address on MDIO bus + * @dev: Ethernet device to associate to the PHY + * @interface: type of MAC-PHY interface + * @return pointer to phy_device if a PHY is found, or NULL otherwise + */ struct phy_device *phy_connect(struct mii_dev *bus, int addr, struct eth_device *dev, phy_interface_t interface); + +static inline ofnode phy_get_ofnode(struct phy_device *phydev) +{ + return ofnode_null(); +} #endif int phy_startup(struct phy_device *phydev); int phy_config(struct phy_device *phydev); @@ -249,6 +396,7 @@ int gen10g_startup(struct phy_device *phydev); int gen10g_shutdown(struct phy_device *phydev); int gen10g_discover_mmds(struct phy_device *phydev); +int phy_b53_init(void); int phy_mv88e61xx_init(void); int phy_aquantia_init(void); int phy_atheros_init(void); @@ -258,7 +406,9 @@ int phy_davicom_init(void); int phy_et1011c_init(void); int phy_lxt_init(void); int phy_marvell_init(void); -int phy_micrel_init(void); +int phy_micrel_ksz8xxx_init(void); +int phy_micrel_ksz90x1_init(void); +int phy_meson_gxl_init(void); int phy_natsemi_init(void); int phy_realtek_init(void); int phy_smsc_init(void); @@ -266,6 +416,10 @@ int phy_teranetics_init(void); int phy_ti_init(void); int phy_vitesse_init(void); int phy_xilinx_init(void); +int phy_mscc_init(void); +int phy_fixed_init(void); +int phy_ncsi_init(void); +int phy_xilinx_gmii2rgmii_init(void); int board_phy_config(struct phy_device *phydev); int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id); @@ -301,7 +455,9 @@ static inline bool phy_interface_is_sgmii(struct phy_device *phydev) } /* PHY UIDs for various PHYs that are referenced in external code */ -#define PHY_UID_CS4340 0x13e51002 -#define PHY_UID_TN2020 0x00a19410 +#define PHY_UID_CS4340 0x13e51002 +#define PHY_UID_CS4223 0x03e57003 +#define PHY_UID_TN2020 0x00a19410 +#define PHY_UID_IN112525_S03 0x02107440 #endif