1/*
  2 * Generic library functions for the MSF (Media and Switch Fabric) unit
  3 * found on the Intel IXP2400 network processor.
  4 *
  5 * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org>
  6 * Dedicated to Marija Kulikova.
  7 *
  8 * This program is free software; you can redistribute it and/or modify
  9 * it under the terms of the GNU Lesser General Public License as
 10 * published by the Free Software Foundation; either version 2.1 of the
 11 * License, or (at your option) any later version.
 12 */
 13
 14#ifndef __IXP2400_MSF_H
 15#define __IXP2400_MSF_H
 16
 17struct ixp2400_msf_parameters
 18{
 19	u32				rx_mode;
 20	unsigned			rxclk01_multiplier:2;
 21	unsigned			rxclk23_multiplier:2;
 22	unsigned			rx_poll_ports:6;
 23	u32				rx_channel_mode[4];
 24
 25	u32				tx_mode;
 26	unsigned			txclk01_multiplier:2;
 27	unsigned			txclk23_multiplier:2;
 28	unsigned			tx_poll_ports:6;
 29	u32				tx_channel_mode[4];
 30};
 31
 32void ixp2400_msf_init(struct ixp2400_msf_parameters *mp);
 33
 34#define IXP2400_PLL_MULTIPLIER_48		0x00
 35#define IXP2400_PLL_MULTIPLIER_24		0x01
 36#define IXP2400_PLL_MULTIPLIER_16		0x02
 37#define IXP2400_PLL_MULTIPLIER_12		0x03
 38
 39#define IXP2400_RX_MODE_CSIX			0x00400000
 40#define IXP2400_RX_MODE_UTOPIA_POS		0x00000000
 41#define IXP2400_RX_MODE_WIDTH_MASK		0x00300000
 42#define IXP2400_RX_MODE_1x16_2x8		0x00300000
 43#define IXP2400_RX_MODE_4x8			0x00200000
 44#define IXP2400_RX_MODE_2x16			0x00100000
 45#define IXP2400_RX_MODE_1x32			0x00000000
 46#define IXP2400_RX_MODE_MPHY			0x00080000
 47#define IXP2400_RX_MODE_SPHY			0x00000000
 48#define IXP2400_RX_MODE_MPHY_32			0x00040000
 49#define IXP2400_RX_MODE_MPHY_4			0x00000000
 50#define IXP2400_RX_MODE_MPHY_POLLED_STATUS	0x00020000
 51#define IXP2400_RX_MODE_MPHY_DIRECT_STATUS	0x00000000
 52#define IXP2400_RX_MODE_CBUS_FULL_DUPLEX	0x00010000
 53#define IXP2400_RX_MODE_CBUS_SIMPLEX		0x00000000
 54#define IXP2400_RX_MODE_MPHY_LEVEL2		0x00004000
 55#define IXP2400_RX_MODE_MPHY_LEVEL3		0x00000000
 56#define IXP2400_RX_MODE_CBUS_8BIT		0x00002000
 57#define IXP2400_RX_MODE_CBUS_4BIT		0x00000000
 58#define IXP2400_RX_MODE_CSIX_SINGLE_FREELIST	0x00000200
 59#define IXP2400_RX_MODE_CSIX_SPLIT_FREELISTS	0x00000000
 60#define IXP2400_RX_MODE_RBUF_SIZE_MASK		0x0000000c
 61#define IXP2400_RX_MODE_RBUF_SIZE_256		0x00000008
 62#define IXP2400_RX_MODE_RBUF_SIZE_128		0x00000004
 63#define IXP2400_RX_MODE_RBUF_SIZE_64		0x00000000
 64
 65#define IXP2400_PORT_RX_MODE_SLAVE		0x00000040
 66#define IXP2400_PORT_RX_MODE_MASTER		0x00000000
 67#define IXP2400_PORT_RX_MODE_POS_PHY_L3		0x00000020
 68#define IXP2400_PORT_RX_MODE_POS_PHY_L2		0x00000000
 69#define IXP2400_PORT_RX_MODE_POS_PHY		0x00000010
 70#define IXP2400_PORT_RX_MODE_UTOPIA		0x00000000
 71#define IXP2400_PORT_RX_MODE_EVEN_PARITY	0x0000000c
 72#define IXP2400_PORT_RX_MODE_ODD_PARITY		0x00000008
 73#define IXP2400_PORT_RX_MODE_NO_PARITY		0x00000000
 74#define IXP2400_PORT_RX_MODE_UTOPIA_BIG_CELLS	0x00000002
 75#define IXP2400_PORT_RX_MODE_UTOPIA_NORMAL_CELLS	0x00000000
 76#define IXP2400_PORT_RX_MODE_2_CYCLE_DECODE	0x00000001
 77#define IXP2400_PORT_RX_MODE_1_CYCLE_DECODE	0x00000000
 78
 79#define IXP2400_TX_MODE_CSIX			0x00400000
 80#define IXP2400_TX_MODE_UTOPIA_POS		0x00000000
 81#define IXP2400_TX_MODE_WIDTH_MASK		0x00300000
 82#define IXP2400_TX_MODE_1x16_2x8		0x00300000
 83#define IXP2400_TX_MODE_4x8			0x00200000
 84#define IXP2400_TX_MODE_2x16			0x00100000
 85#define IXP2400_TX_MODE_1x32			0x00000000
 86#define IXP2400_TX_MODE_MPHY			0x00080000
 87#define IXP2400_TX_MODE_SPHY			0x00000000
 88#define IXP2400_TX_MODE_MPHY_32			0x00040000
 89#define IXP2400_TX_MODE_MPHY_4			0x00000000
 90#define IXP2400_TX_MODE_MPHY_POLLED_STATUS	0x00020000
 91#define IXP2400_TX_MODE_MPHY_DIRECT_STATUS	0x00000000
 92#define IXP2400_TX_MODE_CBUS_FULL_DUPLEX	0x00010000
 93#define IXP2400_TX_MODE_CBUS_SIMPLEX		0x00000000
 94#define IXP2400_TX_MODE_MPHY_LEVEL2		0x00004000
 95#define IXP2400_TX_MODE_MPHY_LEVEL3		0x00000000
 96#define IXP2400_TX_MODE_CBUS_8BIT		0x00002000
 97#define IXP2400_TX_MODE_CBUS_4BIT		0x00000000
 98#define IXP2400_TX_MODE_TBUF_SIZE_MASK		0x0000000c
 99#define IXP2400_TX_MODE_TBUF_SIZE_256		0x00000008
100#define IXP2400_TX_MODE_TBUF_SIZE_128		0x00000004
101#define IXP2400_TX_MODE_TBUF_SIZE_64		0x00000000
102
103#define IXP2400_PORT_TX_MODE_SLAVE		0x00000040
104#define IXP2400_PORT_TX_MODE_MASTER		0x00000000
105#define IXP2400_PORT_TX_MODE_POS_PHY		0x00000010
106#define IXP2400_PORT_TX_MODE_UTOPIA		0x00000000
107#define IXP2400_PORT_TX_MODE_EVEN_PARITY	0x0000000c
108#define IXP2400_PORT_TX_MODE_ODD_PARITY		0x00000008
109#define IXP2400_PORT_TX_MODE_NO_PARITY		0x00000000
110#define IXP2400_PORT_TX_MODE_UTOPIA_BIG_CELLS	0x00000002
111#define IXP2400_PORT_TX_MODE_2_CYCLE_DECODE	0x00000001
112#define IXP2400_PORT_TX_MODE_1_CYCLE_DECODE	0x00000000
113
114
115#endif