mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 15:14:43 +00:00
721aed7912
Code is taken from Linux kernel driver (v4.2). Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Tom Rini <trini@konsulko.com> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
272 lines
7 KiB
C
272 lines
7 KiB
C
/*
|
|
* Copyright 2011 Freescale Semiconductor, Inc.
|
|
* Andy Fleming <afleming@gmail.com>
|
|
*
|
|
* 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 <linux/list.h>
|
|
#include <linux/mii.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/mdio.h>
|
|
|
|
#define PHY_MAX_ADDR 32
|
|
|
|
#define PHY_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
|
|
SUPPORTED_10baseT_Full | \
|
|
SUPPORTED_100baseT_Half | \
|
|
SUPPORTED_100baseT_Full | \
|
|
SUPPORTED_Autoneg | \
|
|
SUPPORTED_TP | \
|
|
SUPPORTED_MII)
|
|
|
|
#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \
|
|
SUPPORTED_1000baseT_Half | \
|
|
SUPPORTED_1000baseT_Full)
|
|
|
|
#define PHY_10G_FEATURES (PHY_GBIT_FEATURES | \
|
|
SUPPORTED_10000baseT_Full)
|
|
|
|
#ifndef PHY_ANEG_TIMEOUT
|
|
#define PHY_ANEG_TIMEOUT 4000
|
|
#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
|
|
|
|
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);
|
|
struct list_head list;
|
|
};
|
|
|
|
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;
|
|
#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;
|
|
u32 flags;
|
|
};
|
|
|
|
struct fixed_link {
|
|
int phy_id;
|
|
int duplex;
|
|
int link_speed;
|
|
int pause;
|
|
int asym_pause;
|
|
};
|
|
|
|
static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
|
|
{
|
|
struct mii_dev *bus = phydev->bus;
|
|
|
|
return bus->read(bus, phydev->addr, devad, regnum);
|
|
}
|
|
|
|
static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
|
|
u16 val)
|
|
{
|
|
struct mii_dev *bus = phydev->bus;
|
|
|
|
return bus->write(bus, phydev->addr, devad, regnum, val);
|
|
}
|
|
|
|
#ifdef CONFIG_PHYLIB_10G
|
|
extern struct phy_driver gen10g_driver;
|
|
|
|
/* For now, XGMII is the only 10G interface */
|
|
static inline int is_10g_interface(phy_interface_t interface)
|
|
{
|
|
return interface == PHY_INTERFACE_MODE_XGMII;
|
|
}
|
|
|
|
#endif
|
|
|
|
int phy_init(void);
|
|
int phy_reset(struct phy_device *phydev);
|
|
struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask,
|
|
phy_interface_t interface);
|
|
#ifdef CONFIG_DM_ETH
|
|
void phy_connect_dev(struct phy_device *phydev, struct udevice *dev);
|
|
struct phy_device *phy_connect(struct mii_dev *bus, int addr,
|
|
struct udevice *dev,
|
|
phy_interface_t interface);
|
|
#else
|
|
void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev);
|
|
struct phy_device *phy_connect(struct mii_dev *bus, int addr,
|
|
struct eth_device *dev,
|
|
phy_interface_t interface);
|
|
#endif
|
|
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 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_aquantia_init(void);
|
|
int phy_atheros_init(void);
|
|
int phy_broadcom_init(void);
|
|
int phy_cortina_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_init(void);
|
|
int phy_natsemi_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 board_phy_config(struct phy_device *phydev);
|
|
int get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id);
|
|
|
|
/**
|
|
* phy_get_interface_by_name() - Look up a PHY interface name
|
|
*
|
|
* @str: PHY interface name, e.g. "mii"
|
|
* @return PHY_INTERFACE_MODE_... value, or -1 if not found
|
|
*/
|
|
int phy_get_interface_by_name(const char *str);
|
|
|
|
/* PHY UIDs for various PHYs that are referenced in external code */
|
|
#define PHY_UID_CS4340 0x13e51002
|
|
#define PHY_UID_TN2020 0x00a19410
|
|
|
|
#endif
|