09bd3d0b0a
Add the handling of NC-SI ethernet frames, and add a check at the start of net_loop() to configure NC-SI before starting other network commands. Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com> Signed-off-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Cédric Le Goater <clg@kaod.org> Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
424 lines
12 KiB
C
424 lines
12 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Copyright 2011 Freescale Semiconductor, Inc.
|
|
* Andy Fleming <afleming@gmail.com>
|
|
*
|
|
* This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
|
|
*/
|
|
|
|
#ifndef _PHY_H
|
|
#define _PHY_H
|
|
|
|
#include <log.h>
|
|
#include <phy_interface.h>
|
|
#include <dm/ofnode.h>
|
|
#include <dm/read.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/list.h>
|
|
#include <linux/mii.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/mdio.h>
|
|
|
|
struct udevice;
|
|
|
|
#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
|
|
|
|
#define PHY_FLAG_BROKEN_RESET (1 << 0) /* soft reset not supported */
|
|
|
|
#define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \
|
|
SUPPORTED_TP | \
|
|
SUPPORTED_MII)
|
|
|
|
#define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \
|
|
SUPPORTED_10baseT_Full)
|
|
|
|
#define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \
|
|
SUPPORTED_100baseT_Full)
|
|
|
|
#define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \
|
|
SUPPORTED_1000baseT_Full)
|
|
|
|
#define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \
|
|
PHY_100BT_FEATURES | \
|
|
PHY_DEFAULT_FEATURES)
|
|
|
|
#define PHY_100BT1_FEATURES (SUPPORTED_TP | \
|
|
SUPPORTED_MII | \
|
|
SUPPORTED_100baseT_Full)
|
|
|
|
#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
|
|
PHY_1000BT_FEATURES)
|
|
|
|
#define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
|
|
SUPPORTED_10000baseT_Full)
|
|
|
|
#ifndef PHY_ANEG_TIMEOUT
|
|
#define PHY_ANEG_TIMEOUT 4000
|
|
#endif
|
|
|
|
|
|
struct phy_device;
|
|
|
|
#define MDIO_NAME_LEN 32
|
|
|
|
struct mii_dev {
|
|
struct list_head link;
|
|
char name[MDIO_NAME_LEN];
|
|
void *priv;
|
|
int (*read)(struct mii_dev *bus, int addr, int devad, int reg);
|
|
int (*write)(struct mii_dev *bus, int addr, int devad, int reg,
|
|
u16 val);
|
|
int (*reset)(struct mii_dev *bus);
|
|
struct phy_device *phymap[PHY_MAX_ADDR];
|
|
u32 phy_mask;
|
|
};
|
|
|
|
/* struct phy_driver: a structure which defines PHY behavior
|
|
*
|
|
* uid will contain a number which represents the PHY. During
|
|
* startup, the driver will poll the PHY to find out what its
|
|
* UID--as defined by registers 2 and 3--is. The 32-bit result
|
|
* gotten from the PHY will be masked to
|
|
* discard any bits which may change based on revision numbers
|
|
* unimportant to functionality
|
|
*
|
|
*/
|
|
struct phy_driver {
|
|
char *name;
|
|
unsigned int uid;
|
|
unsigned int mask;
|
|
unsigned int mmds;
|
|
|
|
u32 features;
|
|
|
|
/* Called to do any driver startup necessities */
|
|
/* Will be called during phy_connect */
|
|
int (*probe)(struct phy_device *phydev);
|
|
|
|
/* Called to configure the PHY, and modify the controller
|
|
* based on the results. Should be called after phy_connect */
|
|
int (*config)(struct phy_device *phydev);
|
|
|
|
/* Called when starting up the controller */
|
|
int (*startup)(struct phy_device *phydev);
|
|
|
|
/* Called when bringing down the controller */
|
|
int (*shutdown)(struct phy_device *phydev);
|
|
|
|
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 {
|
|
/* Information about the PHY type */
|
|
/* And management functions */
|
|
struct mii_dev *bus;
|
|
struct phy_driver *drv;
|
|
void *priv;
|
|
|
|
#ifdef CONFIG_DM_ETH
|
|
struct udevice *dev;
|
|
ofnode node;
|
|
#else
|
|
struct eth_device *dev;
|
|
#endif
|
|
|
|
/* forced speed & duplex (no autoneg)
|
|
* partner speed & duplex & pause (autoneg)
|
|
*/
|
|
int speed;
|
|
int duplex;
|
|
|
|
/* The most recently read link state */
|
|
int link;
|
|
int port;
|
|
phy_interface_t interface;
|
|
|
|
u32 advertising;
|
|
u32 supported;
|
|
u32 mmds;
|
|
|
|
int autoneg;
|
|
int addr;
|
|
int pause;
|
|
int asym_pause;
|
|
u32 phy_id;
|
|
bool is_c45;
|
|
u32 flags;
|
|
};
|
|
|
|
struct fixed_link {
|
|
int phy_id;
|
|
int duplex;
|
|
int link_speed;
|
|
int pause;
|
|
int asym_pause;
|
|
};
|
|
|
|
#ifdef CONFIG_PHYLIB_10G
|
|
extern struct phy_driver gen10g_driver;
|
|
#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
|
|
* @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);
|
|
|
|
#ifdef CONFIG_PHY_FIXED
|
|
|
|
/**
|
|
* fixed_phy_create() - create an unconnected fixed-link pseudo-PHY device
|
|
* @node: OF node for the container of the fixed-link node
|
|
*
|
|
* Description: Creates a struct phy_device based on a fixed-link of_node
|
|
* description. Can be used without phy_connect by drivers which do not expose
|
|
* a UCLASS_ETH udevice.
|
|
*/
|
|
struct phy_device *fixed_phy_create(ofnode node);
|
|
|
|
#else
|
|
|
|
static inline struct phy_device *fixed_phy_create(ofnode node)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_DM_ETH
|
|
|
|
/**
|
|
* phy_connect_dev() - Associates the given pair of PHY and Ethernet devices
|
|
* @phydev: PHY device
|
|
* @dev: Ethernet device
|
|
* @interface: type of MAC-PHY interface
|
|
*/
|
|
void phy_connect_dev(struct phy_device *phydev, struct udevice *dev,
|
|
phy_interface_t interface);
|
|
|
|
/**
|
|
* 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);
|
|
/**
|
|
* phy_device_create() - Create a PHY device
|
|
*
|
|
* @bus: MII/MDIO bus that hosts the PHY
|
|
* @addr: PHY address on MDIO bus
|
|
* @phy_id: where to store the ID retrieved
|
|
* @is_c45: Device Identifiers if is_c45
|
|
* @return: pointer to phy_device if a PHY is found, or NULL otherwise
|
|
*/
|
|
struct phy_device *phy_device_create(struct mii_dev *bus, int addr,
|
|
u32 phy_id, bool is_c45);
|
|
|
|
/**
|
|
* phy_connect_phy_id() - Connect to phy device by reading PHY id
|
|
* from phy node.
|
|
*
|
|
* @bus: MII/MDIO bus that hosts the PHY
|
|
* @dev: Ethernet device to associate to the PHY
|
|
* @return: pointer to phy_device if a PHY is found,
|
|
* or NULL otherwise
|
|
*/
|
|
struct phy_device *phy_connect_phy_id(struct mii_dev *bus, struct udevice *dev,
|
|
int phyaddr);
|
|
|
|
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
|
|
* @interface: type of MAC-PHY interface
|
|
*/
|
|
void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev,
|
|
phy_interface_t interface);
|
|
|
|
/**
|
|
* 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_read(struct phy_device *phydev, int devad, int regnum);
|
|
int phy_write(struct phy_device *phydev, int devad, int regnum, u16 val);
|
|
void phy_mmd_start_indirect(struct phy_device *phydev, int devad, int regnum);
|
|
int phy_read_mmd(struct phy_device *phydev, int devad, int regnum);
|
|
int phy_write_mmd(struct phy_device *phydev, int devad, int regnum, u16 val);
|
|
int phy_set_bits_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val);
|
|
int phy_clear_bits_mmd(struct phy_device *phydev, int devad, u32 regnum, u16 val);
|
|
|
|
int phy_startup(struct phy_device *phydev);
|
|
int phy_config(struct phy_device *phydev);
|
|
int phy_shutdown(struct phy_device *phydev);
|
|
int phy_register(struct phy_driver *drv);
|
|
int phy_set_supported(struct phy_device *phydev, u32 max_speed);
|
|
int phy_modify(struct phy_device *phydev, int devad, int regnum, u16 mask,
|
|
u16 set);
|
|
int genphy_config_aneg(struct phy_device *phydev);
|
|
int genphy_restart_aneg(struct phy_device *phydev);
|
|
int genphy_update_link(struct phy_device *phydev);
|
|
int genphy_parse_link(struct phy_device *phydev);
|
|
int genphy_config(struct phy_device *phydev);
|
|
int genphy_startup(struct phy_device *phydev);
|
|
int genphy_shutdown(struct phy_device *phydev);
|
|
int gen10g_config(struct phy_device *phydev);
|
|
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_adin_init(void);
|
|
int phy_aquantia_init(void);
|
|
int phy_atheros_init(void);
|
|
int phy_broadcom_init(void);
|
|
int phy_cortina_init(void);
|
|
int phy_cortina_access_init(void);
|
|
int phy_davicom_init(void);
|
|
int phy_et1011c_init(void);
|
|
int phy_lxt_init(void);
|
|
int phy_marvell_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_nxp_c45_tja11xx_init(void);
|
|
int phy_nxp_tja11xx_init(void);
|
|
int phy_realtek_init(void);
|
|
int phy_smsc_init(void);
|
|
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);
|
|
|
|
/**
|
|
* phy_interface_is_rgmii - Convenience function for testing if a PHY interface
|
|
* is RGMII (all variants)
|
|
* @phydev: the phy_device struct
|
|
* @return: true if MII bus is RGMII or false if it is not
|
|
*/
|
|
static inline bool phy_interface_is_rgmii(struct phy_device *phydev)
|
|
{
|
|
return phydev->interface >= PHY_INTERFACE_MODE_RGMII &&
|
|
phydev->interface <= PHY_INTERFACE_MODE_RGMII_TXID;
|
|
}
|
|
|
|
/**
|
|
* phy_interface_is_sgmii - Convenience function for testing if a PHY interface
|
|
* is SGMII (all variants)
|
|
* @phydev: the phy_device struct
|
|
* @return: true if MII bus is SGMII or false if it is not
|
|
*/
|
|
static inline bool phy_interface_is_sgmii(struct phy_device *phydev)
|
|
{
|
|
return phydev->interface >= PHY_INTERFACE_MODE_SGMII &&
|
|
phydev->interface <= PHY_INTERFACE_MODE_QSGMII;
|
|
}
|
|
|
|
bool phy_interface_is_ncsi(void);
|
|
|
|
/* PHY UIDs for various PHYs that are referenced in external code */
|
|
#define PHY_UID_CS4340 0x13e51002
|
|
#define PHY_UID_CS4223 0x03e57003
|
|
#define PHY_UID_TN2020 0x00a19410
|
|
#define PHY_UID_IN112525_S03 0x02107440
|
|
|
|
#endif
|