drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.h - linux/torvalds/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  * Copyright (C) 2003 - 2009 NetXen, Inc.
  * Copyright (C) 2009 - QLogic Corporation.
  * All rights reserved.
  */

 #ifndef __NETXEN_NIC_HW_H_
 #define __NETXEN_NIC_HW_H_

 /* Hardware memory size of 128 meg */
 #define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)

 struct netxen_adapter;

 #define NETXEN_PCI_MAPSIZE_BYTES  (NETXEN_PCI_MAPSIZE << 20)

 void netxen_nic_set_link_parameters(struct netxen_adapter *adapter);

 /* Nibble or Byte mode for phy interface (GbE mode only) */

 #define _netxen_crb_get_bit(var, bit)  ((var >> bit) & 0x1)

 /*
  * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
  *
  *	Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
  *	Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
  *	Bit 2 : enable_rx => 1:enable frame recv, 0:disable
  *	Bit 3 : rx_synced => R/O: recv enable synched to recv stream
  *	Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
  *	Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
  *	Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
  *	Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
  *	Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
  *	Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
  *	Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
  *	Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
  */

 #define netxen_gb_tx_flowctl(config_word)	\
 	((config_word) |= 1 << 4)
 #define netxen_gb_rx_flowctl(config_word)	\
 	((config_word) |= 1 << 5)
 #define netxen_gb_tx_reset_pb(config_word)	\
 	((config_word) |= 1 << 16)
 #define netxen_gb_rx_reset_pb(config_word)	\
 	((config_word) |= 1 << 17)
 #define netxen_gb_tx_reset_mac(config_word)	\
 	((config_word) |= 1 << 18)
 #define netxen_gb_rx_reset_mac(config_word)	\
 	((config_word) |= 1 << 19)

 #define netxen_gb_unset_tx_flowctl(config_word)	\
 	((config_word) &= ~(1 << 4))
 #define netxen_gb_unset_rx_flowctl(config_word)	\
 	((config_word) &= ~(1 << 5))

 #define netxen_gb_get_tx_synced(config_word)	\
 		_netxen_crb_get_bit((config_word), 1)
 #define netxen_gb_get_rx_synced(config_word)	\
 		_netxen_crb_get_bit((config_word), 3)
 #define netxen_gb_get_tx_flowctl(config_word)	\
 		_netxen_crb_get_bit((config_word), 4)
 #define netxen_gb_get_rx_flowctl(config_word)	\
 		_netxen_crb_get_bit((config_word), 5)
 #define netxen_gb_get_soft_reset(config_word)	\
 		_netxen_crb_get_bit((config_word), 31)

 #define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)

 #define netxen_gb_set_mii_mgmt_clockselect(config_word, val)	\
 		((config_word) |= ((val) & 0x07))
 #define netxen_gb_mii_mgmt_reset(config_word)	\
 		((config_word) |= 1 << 31)
 #define netxen_gb_mii_mgmt_unset(config_word)	\
 		((config_word) &= ~(1 << 31))

 /*
  * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
  * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
  * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
  */

 #define netxen_gb_mii_mgmt_set_read_cycle(config_word)	\
 		((config_word) |= 1 << 0)
 #define netxen_gb_mii_mgmt_reg_addr(config_word, val)	\
 		((config_word) |= ((val) & 0x1F))
 #define netxen_gb_mii_mgmt_phy_addr(config_word, val)	\
 		((config_word) |= (((val) & 0x1F) << 8))

 /*
  * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
  * Read-only register.
  * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
  * Bit 1 : scanning => 1:scan operation in progress, 0:idle
  * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
  */
 #define netxen_get_gb_mii_mgmt_busy(config_word)	\
 		_netxen_crb_get_bit(config_word, 0)
 #define netxen_get_gb_mii_mgmt_scanning(config_word)	\
 		_netxen_crb_get_bit(config_word, 1)
 #define netxen_get_gb_mii_mgmt_notvalid(config_word)	\
 		_netxen_crb_get_bit(config_word, 2)
 /*
  * NIU XG Pause Ctl Register
  *
  *      Bit 0       : xg0_mask => 1:disable tx pause frames
  *      Bit 1       : xg0_request => 1:request single pause frame
  *      Bit 2       : xg0_on_off => 1:request is pause on, 0:off
  *      Bit 3       : xg1_mask => 1:disable tx pause frames
  *      Bit 4       : xg1_request => 1:request single pause frame
  *      Bit 5       : xg1_on_off => 1:request is pause on, 0:off
  */

 #define netxen_xg_set_xg0_mask(config_word)    \
 	((config_word) |= 1 << 0)
 #define netxen_xg_set_xg1_mask(config_word)    \
 	((config_word) |= 1 << 3)

 #define netxen_xg_get_xg0_mask(config_word)    \
 	_netxen_crb_get_bit((config_word), 0)
 #define netxen_xg_get_xg1_mask(config_word)    \
 	_netxen_crb_get_bit((config_word), 3)

 #define netxen_xg_unset_xg0_mask(config_word)  \
 	((config_word) &= ~(1 << 0))
 #define netxen_xg_unset_xg1_mask(config_word)  \
 	((config_word) &= ~(1 << 3))

 /*
  * NIU XG Pause Ctl Register
  *
  *      Bit 0       : xg0_mask => 1:disable tx pause frames
  *      Bit 1       : xg0_request => 1:request single pause frame
  *      Bit 2       : xg0_on_off => 1:request is pause on, 0:off
  *      Bit 3       : xg1_mask => 1:disable tx pause frames
  *      Bit 4       : xg1_request => 1:request single pause frame
  *      Bit 5       : xg1_on_off => 1:request is pause on, 0:off
  */
 #define netxen_gb_set_gb0_mask(config_word)    \
 	((config_word) |= 1 << 0)
 #define netxen_gb_set_gb1_mask(config_word)    \
 	((config_word) |= 1 << 2)
 #define netxen_gb_set_gb2_mask(config_word)    \
 	((config_word) |= 1 << 4)
 #define netxen_gb_set_gb3_mask(config_word)    \
 	((config_word) |= 1 << 6)

 #define netxen_gb_get_gb0_mask(config_word)    \
 	_netxen_crb_get_bit((config_word), 0)
 #define netxen_gb_get_gb1_mask(config_word)    \
 	_netxen_crb_get_bit((config_word), 2)
 #define netxen_gb_get_gb2_mask(config_word)    \
 	_netxen_crb_get_bit((config_word), 4)
 #define netxen_gb_get_gb3_mask(config_word)    \
 	_netxen_crb_get_bit((config_word), 6)

 #define netxen_gb_unset_gb0_mask(config_word)  \
 	((config_word) &= ~(1 << 0))
 #define netxen_gb_unset_gb1_mask(config_word)  \
 	((config_word) &= ~(1 << 2))
 #define netxen_gb_unset_gb2_mask(config_word)  \
 	((config_word) &= ~(1 << 4))
 #define netxen_gb_unset_gb3_mask(config_word)  \
 	((config_word) &= ~(1 << 6))


 /*
  * PHY-Specific MII control/status registers.
  */
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL		0
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS		1
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0		2
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1		3
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG		4
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART		5
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE	6
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT	7
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE	8
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL	9
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS	10
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS	15
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL		16
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS		17
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE		18
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS		19
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE	20
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT	21
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL		24
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE	25
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET	26
 #define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE	27

 /*
  * PHY-Specific Status Register (reg 17).
  *
  * Bit 0      : jabber => 1:jabber detected, 0:not
  * Bit 1      : polarity => 1:polarity reversed, 0:normal
  * Bit 2      : recvpause => 1:receive pause enabled, 0:disabled
  * Bit 3      : xmitpause => 1:transmit pause enabled, 0:disabled
  * Bit 4      : energydetect => 1:sleep, 0:active
  * Bit 5      : downshift => 1:downshift, 0:no downshift
  * Bit 6      : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
  * Bits 7-9   : cablelen => not valid in 10Mb/s mode
  *			0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
  * Bit 10     : link => 1:link up, 0:link down
  * Bit 11     : resolved => 1:speed and duplex resolved, 0:not yet
  * Bit 12     : pagercvd => 1:page received, 0:page not received
  * Bit 13     : duplex => 1:full duplex, 0:half duplex
  * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
  */

 #define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)

 #define netxen_set_phy_speed(config_word, val)	\
 		((config_word) |= ((val & 0x03) << 14))
 #define netxen_set_phy_duplex(config_word)	\
 		((config_word) |= 1 << 13)
 #define netxen_clear_phy_duplex(config_word)	\
 		((config_word) &= ~(1 << 13))

 #define netxen_get_phy_link(config_word)	\
 		_netxen_crb_get_bit(config_word, 10)
 #define netxen_get_phy_duplex(config_word)	\
 		_netxen_crb_get_bit(config_word, 13)

 /*
  * NIU Mode Register.
  * Bit 0 : enable FibreChannel
  * Bit 1 : enable 10/100/1000 Ethernet
  * Bit 2 : enable 10Gb Ethernet
  */

 #define netxen_get_niu_enable_ge(config_word)	\
 		_netxen_crb_get_bit(config_word, 1)

 #define NETXEN_NIU_NON_PROMISC_MODE	0
 #define NETXEN_NIU_PROMISC_MODE		1
 #define NETXEN_NIU_ALLMULTI_MODE	2

 /*
  * NIU XG MAC Config Register
  *
  * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
  * Bit 2 : rx_enable => 1:enable frame recv, 0:disable
  * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
  * Bit 27: xaui_framer_reset
  * Bit 28: xaui_rx_reset
  * Bit 29: xaui_tx_reset
  * Bit 30: xg_ingress_afifo_reset
  * Bit 31: xg_egress_afifo_reset
  */

 #define netxen_xg_soft_reset(config_word)	\
 		((config_word) |= 1 << 4)

 typedef struct {
 	unsigned valid;
 	unsigned start_128M;
 	unsigned end_128M;
 	unsigned start_2M;
 } crb_128M_2M_sub_block_map_t;

 typedef struct {
 	crb_128M_2M_sub_block_map_t sub_block[16];
 } crb_128M_2M_block_map_t;

 #endif				/* __NETXEN_NIC_HW_H_ */
	/* SPDX-License-Identifier: GPL-2.0-or-later */
	/*
	* Copyright (C) 2003 - 2009 NetXen, Inc.
	* Copyright (C) 2009 - QLogic Corporation.
	* All rights reserved.
	*/

	#ifndef __NETXEN_NIC_HW_H_
	#define __NETXEN_NIC_HW_H_

	/* Hardware memory size of 128 meg */
	#define NETXEN_MEMADDR_MAX (128 * 1024 * 1024)

	struct netxen_adapter;

	#define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20)

	void netxen_nic_set_link_parameters(struct netxen_adapter *adapter);

	/* Nibble or Byte mode for phy interface (GbE mode only) */

	#define _netxen_crb_get_bit(var, bit) ((var >> bit) & 0x1)

	/*
	* NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3)
	*
	* Bit 0 : enable_tx => 1:enable frame xmit, 0:disable
	* Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream
	* Bit 2 : enable_rx => 1:enable frame recv, 0:disable
	* Bit 3 : rx_synced => R/O: recv enable synched to recv stream
	* Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable
	* Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore
	* Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal
	* Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op
	* Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op
	* Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op
	* Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op
	* Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op
	*/

	#define netxen_gb_tx_flowctl(config_word) \
	((config_word) \|= 1 << 4)
	#define netxen_gb_rx_flowctl(config_word) \
	((config_word) \|= 1 << 5)
	#define netxen_gb_tx_reset_pb(config_word) \
	((config_word) \|= 1 << 16)
	#define netxen_gb_rx_reset_pb(config_word) \
	((config_word) \|= 1 << 17)
	#define netxen_gb_tx_reset_mac(config_word) \
	((config_word) \|= 1 << 18)
	#define netxen_gb_rx_reset_mac(config_word) \
	((config_word) \|= 1 << 19)

	#define netxen_gb_unset_tx_flowctl(config_word) \
	((config_word) &= ~(1 << 4))
	#define netxen_gb_unset_rx_flowctl(config_word) \
	((config_word) &= ~(1 << 5))

	#define netxen_gb_get_tx_synced(config_word) \
	_netxen_crb_get_bit((config_word), 1)
	#define netxen_gb_get_rx_synced(config_word) \
	_netxen_crb_get_bit((config_word), 3)
	#define netxen_gb_get_tx_flowctl(config_word) \
	_netxen_crb_get_bit((config_word), 4)
	#define netxen_gb_get_rx_flowctl(config_word) \
	_netxen_crb_get_bit((config_word), 5)
	#define netxen_gb_get_soft_reset(config_word) \
	_netxen_crb_get_bit((config_word), 31)

	#define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16)

	#define netxen_gb_set_mii_mgmt_clockselect(config_word, val) \
	((config_word) \|= ((val) & 0x07))
	#define netxen_gb_mii_mgmt_reset(config_word) \
	((config_word) \|= 1 << 31)
	#define netxen_gb_mii_mgmt_unset(config_word) \
	((config_word) &= ~(1 << 31))

	/*
	* NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3)
	* Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op
	* Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op
	*/

	#define netxen_gb_mii_mgmt_set_read_cycle(config_word) \
	((config_word) \|= 1 << 0)
	#define netxen_gb_mii_mgmt_reg_addr(config_word, val) \
	((config_word) \|= ((val) & 0x1F))
	#define netxen_gb_mii_mgmt_phy_addr(config_word, val) \
	((config_word) \|= (((val) & 0x1F) << 8))

	/*
	* NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3)
	* Read-only register.
	* Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle
	* Bit 1 : scanning => 1:scan operation in progress, 0:idle
	* Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle
	*/
	#define netxen_get_gb_mii_mgmt_busy(config_word) \
	_netxen_crb_get_bit(config_word, 0)
	#define netxen_get_gb_mii_mgmt_scanning(config_word) \
	_netxen_crb_get_bit(config_word, 1)
	#define netxen_get_gb_mii_mgmt_notvalid(config_word) \
	_netxen_crb_get_bit(config_word, 2)
	/*
	* NIU XG Pause Ctl Register
	*
	* Bit 0 : xg0_mask => 1:disable tx pause frames
	* Bit 1 : xg0_request => 1:request single pause frame
	* Bit 2 : xg0_on_off => 1:request is pause on, 0:off
	* Bit 3 : xg1_mask => 1:disable tx pause frames
	* Bit 4 : xg1_request => 1:request single pause frame
	* Bit 5 : xg1_on_off => 1:request is pause on, 0:off
	*/

	#define netxen_xg_set_xg0_mask(config_word) \
	((config_word) \|= 1 << 0)
	#define netxen_xg_set_xg1_mask(config_word) \
	((config_word) \|= 1 << 3)

	#define netxen_xg_get_xg0_mask(config_word) \
	_netxen_crb_get_bit((config_word), 0)
	#define netxen_xg_get_xg1_mask(config_word) \
	_netxen_crb_get_bit((config_word), 3)

	#define netxen_xg_unset_xg0_mask(config_word) \
	((config_word) &= ~(1 << 0))
	#define netxen_xg_unset_xg1_mask(config_word) \
	((config_word) &= ~(1 << 3))

	/*
	* NIU XG Pause Ctl Register
	*
	* Bit 0 : xg0_mask => 1:disable tx pause frames
	* Bit 1 : xg0_request => 1:request single pause frame
	* Bit 2 : xg0_on_off => 1:request is pause on, 0:off
	* Bit 3 : xg1_mask => 1:disable tx pause frames
	* Bit 4 : xg1_request => 1:request single pause frame
	* Bit 5 : xg1_on_off => 1:request is pause on, 0:off
	*/
	#define netxen_gb_set_gb0_mask(config_word) \
	((config_word) \|= 1 << 0)
	#define netxen_gb_set_gb1_mask(config_word) \
	((config_word) \|= 1 << 2)
	#define netxen_gb_set_gb2_mask(config_word) \
	((config_word) \|= 1 << 4)
	#define netxen_gb_set_gb3_mask(config_word) \
	((config_word) \|= 1 << 6)

	#define netxen_gb_get_gb0_mask(config_word) \
	_netxen_crb_get_bit((config_word), 0)
	#define netxen_gb_get_gb1_mask(config_word) \
	_netxen_crb_get_bit((config_word), 2)
	#define netxen_gb_get_gb2_mask(config_word) \
	_netxen_crb_get_bit((config_word), 4)
	#define netxen_gb_get_gb3_mask(config_word) \
	_netxen_crb_get_bit((config_word), 6)

	#define netxen_gb_unset_gb0_mask(config_word) \
	((config_word) &= ~(1 << 0))
	#define netxen_gb_unset_gb1_mask(config_word) \
	((config_word) &= ~(1 << 2))
	#define netxen_gb_unset_gb2_mask(config_word) \
	((config_word) &= ~(1 << 4))
	#define netxen_gb_unset_gb3_mask(config_word) \
	((config_word) &= ~(1 << 6))


	/*
	* PHY-Specific MII control/status registers.
	*/
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL 0
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS 1
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0 2
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1 3
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG 4
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART 5
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE 6
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT 7
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE 8
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL 9
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS 10
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS 15
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL 16
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS 17
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE 18
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS 19
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE 20
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT 21
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL 24
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE 25
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET 26
	#define NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE 27

	/*
	* PHY-Specific Status Register (reg 17).
	*
	* Bit 0 : jabber => 1:jabber detected, 0:not
	* Bit 1 : polarity => 1:polarity reversed, 0:normal
	* Bit 2 : recvpause => 1:receive pause enabled, 0:disabled
	* Bit 3 : xmitpause => 1:transmit pause enabled, 0:disabled
	* Bit 4 : energydetect => 1:sleep, 0:active
	* Bit 5 : downshift => 1:downshift, 0:no downshift
	* Bit 6 : crossover => 1:MDIX (crossover), 0:MDI (no crossover)
	* Bits 7-9 : cablelen => not valid in 10Mb/s mode
	* 0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m
	* Bit 10 : link => 1:link up, 0:link down
	* Bit 11 : resolved => 1:speed and duplex resolved, 0:not yet
	* Bit 12 : pagercvd => 1:page received, 0:page not received
	* Bit 13 : duplex => 1:full duplex, 0:half duplex
	* Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd
	*/

	#define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03)

	#define netxen_set_phy_speed(config_word, val) \
	((config_word) \|= ((val & 0x03) << 14))
	#define netxen_set_phy_duplex(config_word) \
	((config_word) \|= 1 << 13)
	#define netxen_clear_phy_duplex(config_word) \
	((config_word) &= ~(1 << 13))

	#define netxen_get_phy_link(config_word) \
	_netxen_crb_get_bit(config_word, 10)
	#define netxen_get_phy_duplex(config_word) \
	_netxen_crb_get_bit(config_word, 13)

	/*
	* NIU Mode Register.
	* Bit 0 : enable FibreChannel
	* Bit 1 : enable 10/100/1000 Ethernet
	* Bit 2 : enable 10Gb Ethernet
	*/

	#define netxen_get_niu_enable_ge(config_word) \
	_netxen_crb_get_bit(config_word, 1)

	#define NETXEN_NIU_NON_PROMISC_MODE 0
	#define NETXEN_NIU_PROMISC_MODE 1
	#define NETXEN_NIU_ALLMULTI_MODE 2

	/*
	* NIU XG MAC Config Register
	*
	* Bit 0 : tx_enable => 1:enable frame xmit, 0:disable
	* Bit 2 : rx_enable => 1:enable frame recv, 0:disable
	* Bit 4 : soft_reset => 1:reset the MAC , 0:no-op
	* Bit 27: xaui_framer_reset
	* Bit 28: xaui_rx_reset
	* Bit 29: xaui_tx_reset
	* Bit 30: xg_ingress_afifo_reset
	* Bit 31: xg_egress_afifo_reset
	*/

	#define netxen_xg_soft_reset(config_word) \
	((config_word) \|= 1 << 4)

	typedef struct {
	unsigned valid;
	unsigned start_128M;
	unsigned end_128M;
	unsigned start_2M;
	} crb_128M_2M_sub_block_map_t;

	typedef struct {
	crb_128M_2M_sub_block_map_t sub_block[16];
	} crb_128M_2M_block_map_t;

	#endif /* __NETXEN_NIC_HW_H_ */