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Open Menu /drivers/net/ixp2000/ixp2400-msf.h
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/*
 * Generic library functions for the MSF (Media and Switch Fabric) unit
 * found on the Intel IXP2400 network processor.
 *
 * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org>
 * Dedicated to Marija Kulikova.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of the
 * License, or (at your option) any later version.
 */

#ifndef __IXP2400_MSF_H
#define __IXP2400_MSF_H

struct ixp2400_msf_parameters
{
	u32				rx_mode;
	unsigned			rxclk01_multiplier:2;
	unsigned			rxclk23_multiplier:2;
	unsigned			rx_poll_ports:6;
	u32				rx_channel_mode[4];

	u32				tx_mode;
	unsigned			txclk01_multiplier:2;
	unsigned			txclk23_multiplier:2;
	unsigned			tx_poll_ports:6;
	u32				tx_channel_mode[4];
};

void ixp2400_msf_init(struct ixp2400_msf_parameters *mp);

#define IXP2400_PLL_MULTIPLIER_48		0x00
#define IXP2400_PLL_MULTIPLIER_24		0x01
#define IXP2400_PLL_MULTIPLIER_16		0x02
#define IXP2400_PLL_MULTIPLIER_12		0x03

#define IXP2400_RX_MODE_CSIX			0x00400000
#define IXP2400_RX_MODE_UTOPIA_POS		0x00000000
#define IXP2400_RX_MODE_WIDTH_MASK		0x00300000
#define IXP2400_RX_MODE_1x16_2x8		0x00300000
#define IXP2400_RX_MODE_4x8			0x00200000
#define IXP2400_RX_MODE_2x16			0x00100000
#define IXP2400_RX_MODE_1x32			0x00000000
#define IXP2400_RX_MODE_MPHY			0x00080000
#define IXP2400_RX_MODE_SPHY			0x00000000
#define IXP2400_RX_MODE_MPHY_32			0x00040000
#define IXP2400_RX_MODE_MPHY_4			0x00000000
#define IXP2400_RX_MODE_MPHY_POLLED_STATUS	0x00020000
#define IXP2400_RX_MODE_MPHY_DIRECT_STATUS	0x00000000
#define IXP2400_RX_MODE_CBUS_FULL_DUPLEX	0x00010000
#define IXP2400_RX_MODE_CBUS_SIMPLEX		0x00000000
#define IXP2400_RX_MODE_MPHY_LEVEL2		0x00004000
#define IXP2400_RX_MODE_MPHY_LEVEL3		0x00000000
#define IXP2400_RX_MODE_CBUS_8BIT		0x00002000
#define IXP2400_RX_MODE_CBUS_4BIT		0x00000000
#define IXP2400_RX_MODE_CSIX_SINGLE_FREELIST	0x00000200
#define IXP2400_RX_MODE_CSIX_SPLIT_FREELISTS	0x00000000
#define IXP2400_RX_MODE_RBUF_SIZE_MASK		0x0000000c
#define IXP2400_RX_MODE_RBUF_SIZE_256		0x00000008
#define IXP2400_RX_MODE_RBUF_SIZE_128		0x00000004
#define IXP2400_RX_MODE_RBUF_SIZE_64		0x00000000

#define IXP2400_PORT_RX_MODE_SLAVE		0x00000040
#define IXP2400_PORT_RX_MODE_MASTER		0x00000000
#define IXP2400_PORT_RX_MODE_POS_PHY_L3		0x00000020
#define IXP2400_PORT_RX_MODE_POS_PHY_L2		0x00000000
#define IXP2400_PORT_RX_MODE_POS_PHY		0x00000010
#define IXP2400_PORT_RX_MODE_UTOPIA		0x00000000
#define IXP2400_PORT_RX_MODE_EVEN_PARITY	0x0000000c
#define IXP2400_PORT_RX_MODE_ODD_PARITY		0x00000008
#define IXP2400_PORT_RX_MODE_NO_PARITY		0x00000000
#define IXP2400_PORT_RX_MODE_UTOPIA_BIG_CELLS	0x00000002
#define IXP2400_PORT_RX_MODE_UTOPIA_NORMAL_CELLS	0x00000000
#define IXP2400_PORT_RX_MODE_2_CYCLE_DECODE	0x00000001
#define IXP2400_PORT_RX_MODE_1_CYCLE_DECODE	0x00000000

#define IXP2400_TX_MODE_CSIX			0x00400000
#define IXP2400_TX_MODE_UTOPIA_POS		0x00000000
#define IXP2400_TX_MODE_WIDTH_MASK		0x00300000
#define IXP2400_TX_MODE_1x16_2x8		0x00300000
#define IXP2400_TX_MODE_4x8			0x00200000
#define IXP2400_TX_MODE_2x16			0x00100000
#define IXP2400_TX_MODE_1x32			0x00000000
#define IXP2400_TX_MODE_MPHY			0x00080000
#define IXP2400_TX_MODE_SPHY			0x00000000
#define IXP2400_TX_MODE_MPHY_32			0x00040000
#define IXP2400_TX_MODE_MPHY_4			0x00000000
#define IXP2400_TX_MODE_MPHY_POLLED_STATUS	0x00020000
#define IXP2400_TX_MODE_MPHY_DIRECT_STATUS	0x00000000
#define IXP2400_TX_MODE_CBUS_FULL_DUPLEX	0x00010000
#define IXP2400_TX_MODE_CBUS_SIMPLEX		0x00000000
#define IXP2400_TX_MODE_MPHY_LEVEL2		0x00004000
#define IXP2400_TX_MODE_MPHY_LEVEL3		0x00000000
#define IXP2400_TX_MODE_CBUS_8BIT		0x00002000
#define IXP2400_TX_MODE_CBUS_4BIT		0x00000000
#define IXP2400_TX_MODE_TBUF_SIZE_MASK		0x0000000c
#define IXP2400_TX_MODE_TBUF_SIZE_256		0x00000008
#define IXP2400_TX_MODE_TBUF_SIZE_128		0x00000004
#define IXP2400_TX_MODE_TBUF_SIZE_64		0x00000000

#define IXP2400_PORT_TX_MODE_SLAVE		0x00000040
#define IXP2400_PORT_TX_MODE_MASTER		0x00000000
#define IXP2400_PORT_TX_MODE_POS_PHY		0x00000010
#define IXP2400_PORT_TX_MODE_UTOPIA		0x00000000
#define IXP2400_PORT_TX_MODE_EVEN_PARITY	0x0000000c
#define IXP2400_PORT_TX_MODE_ODD_PARITY		0x00000008
#define IXP2400_PORT_TX_MODE_NO_PARITY		0x00000000
#define IXP2400_PORT_TX_MODE_UTOPIA_BIG_CELLS	0x00000002
#define IXP2400_PORT_TX_MODE_2_CYCLE_DECODE	0x00000001
#define IXP2400_PORT_TX_MODE_1_CYCLE_DECODE	0x00000000


#endif