miiphy.h 3.63 KB
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/*
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 * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
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 *
 * Additions (C) Copyright 2009 Industrie Dial Face S.p.A.
 */
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/*----------------------------------------------------------------------------+
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|  File Name:	miiphy.h
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|  Function:	Include file defining PHY registers.
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|  Author:	Mark Wisner
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+----------------------------------------------------------------------------*/
#ifndef _miiphy_h_
#define _miiphy_h_

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#include <common.h>
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#include <linux/mii.h>
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#include <linux/list.h>
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#include <net.h>
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#include <phy.h>

struct legacy_mii_dev {
	int (*read)(const char *devname, unsigned char addr,
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		     unsigned char reg, unsigned short *value);
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	int (*write)(const char *devname, unsigned char addr,
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		      unsigned char reg, unsigned short value);
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};
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int miiphy_read(const char *devname, unsigned char addr, unsigned char reg,
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		 unsigned short *value);
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int miiphy_write(const char *devname, unsigned char addr, unsigned char reg,
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		  unsigned short value);
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int miiphy_info(const char *devname, unsigned char addr, unsigned int *oui,
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		 unsigned char *model, unsigned char *rev);
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int miiphy_reset(const char *devname, unsigned char addr);
int miiphy_speed(const char *devname, unsigned char addr);
int miiphy_duplex(const char *devname, unsigned char addr);
int miiphy_is_1000base_x(const char *devname, unsigned char addr);
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#ifdef CONFIG_SYS_FAULT_ECHO_LINK_DOWN
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int miiphy_link(const char *devname, unsigned char addr);
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#endif
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void miiphy_init(void);
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void miiphy_register(const char *devname,
		      int (*read)(const char *devname, unsigned char addr,
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				   unsigned char reg, unsigned short *value),
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		      int (*write)(const char *devname, unsigned char addr,
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				    unsigned char reg, unsigned short value));
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int miiphy_set_current_dev(const char *devname);
const char *miiphy_get_current_dev(void);
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struct mii_dev *mdio_get_current_dev(void);
struct mii_dev *miiphy_get_dev_by_name(const char *devname);
struct phy_device *mdio_phydev_for_ethname(const char *devname);
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void miiphy_listdev(void);
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struct mii_dev *mdio_alloc(void);
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void mdio_free(struct mii_dev *bus);
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int mdio_register(struct mii_dev *bus);
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int mdio_unregister(struct mii_dev *bus);
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void mdio_list_devices(void);

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#ifdef CONFIG_BITBANGMII

#define BB_MII_DEVNAME	"bb_miiphy"

struct bb_miiphy_bus {
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	char name[16];
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	int (*init)(struct bb_miiphy_bus *bus);
	int (*mdio_active)(struct bb_miiphy_bus *bus);
	int (*mdio_tristate)(struct bb_miiphy_bus *bus);
	int (*set_mdio)(struct bb_miiphy_bus *bus, int v);
	int (*get_mdio)(struct bb_miiphy_bus *bus, int *v);
	int (*set_mdc)(struct bb_miiphy_bus *bus, int v);
	int (*delay)(struct bb_miiphy_bus *bus);
#ifdef CONFIG_BITBANGMII_MULTI
	void *priv;
#endif
};

extern struct bb_miiphy_bus bb_miiphy_buses[];
extern int bb_miiphy_buses_num;
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void bb_miiphy_init(void);
int bb_miiphy_read(const char *devname, unsigned char addr,
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		    unsigned char reg, unsigned short *value);
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int bb_miiphy_write(const char *devname, unsigned char addr,
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		     unsigned char reg, unsigned short value);
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#endif
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/* phy seed setup */
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#define AUTO			99
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#define _1000BASET		1000
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#define _100BASET		100
#define _10BASET		10
#define HALF			22
#define FULL			44
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/* phy register offsets */
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#define MII_MIPSCR		0x11

/* MII_LPA */
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#define PHY_ANLPAR_PSB_802_3	0x0001
#define PHY_ANLPAR_PSB_802_9	0x0002

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/* MII_CTRL1000 masks */
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#define PHY_1000BTCR_1000FD	0x0200
#define PHY_1000BTCR_1000HD	0x0100

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/* MII_STAT1000 masks */
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#define PHY_1000BTSR_MSCF	0x8000
#define PHY_1000BTSR_MSCR	0x4000
#define PHY_1000BTSR_LRS	0x2000
#define PHY_1000BTSR_RRS	0x1000
#define PHY_1000BTSR_1000FD	0x0800
#define PHY_1000BTSR_1000HD	0x0400
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/* phy EXSR */
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#define ESTATUS_1000XF		0x8000
#define ESTATUS_1000XH		0x4000
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#endif