linux/drivers/net/dsa/mv88e6xxx/port_hidden.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Marvell 88E6xxx Switch Hidden Registers support
 *
 * Copyright (c) 2008 Marvell Semiconductor
 *
 * Copyright (c) 2019 Andrew Lunn <[email protected]>
 */

#include <linux/bitfield.h>

#include "chip.h"
#include "port.h"

/* The mv88e6390 and mv88e6341 have some hidden registers used for debug and
 * development. The errata also makes use of them.
 */
int mv88e6xxx_port_hidden_write(struct mv88e6xxx_chip *chip, int block,
				int port, int reg, u16 val)
{ … }

int mv88e6xxx_port_hidden_wait(struct mv88e6xxx_chip *chip)
{ … }

int mv88e6xxx_port_hidden_read(struct mv88e6xxx_chip *chip, int block, int port,
			       int reg, u16 *val)
{ … }