include/ns9750_eth.h

/***********************************************************************
 *
 * Copyright (C) 2004 by FS Forth-Systeme GmbH.
 * All rights reserved.
 *
 * $Id: ns9750_eth.h,v 1.2 2004/02/24 13:25:39 mpietrek Exp $
 * @Author: Markus Pietrek
 * @References: [1] NS9750 Hardware Reference, December 2003
 *              [2] Intel LXT971 Datasheet #249414 Rev. 02
 *              [3] NS7520 Linux Ethernet Driver
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 *
 ***********************************************************************/

#ifndef FS_NS9750_ETH_H
#define FS_NS9750_ETH_H

#ifdef CONFIG_DRIVER_NS9750_ETHERNET

#include "lxt971a.h"

#define	NS9750_ETH_MODULE_BASE		(0xA0600000)

#define get_eth_reg_addr(c) \
     ((volatile unsigned int*) ( NS9750_ETH_MODULE_BASE+(unsigned int) (c)))

#define NS9750_ETH_EGCR1		(0x0000)
#define NS9750_ETH_EGCR2		(0x0004)
#define NS9750_ETH_EGSR			(0x0008)
#define NS9750_ETH_FIFORX		(0x000C)
#define NS9750_ETH_FIFOTX		(0x0010)
#define NS9750_ETH_FIFOTXS		(0x0014)
#define NS9750_ETH_ETSR			(0x0018)
#define NS9750_ETH_ERSR			(0x001C)
#define NS9750_ETH_MAC1			(0x0400)
#define NS9750_ETH_MAC2			(0x0404)
#define NS9750_ETH_IPGT			(0x0408)
#define NS9750_ETH_IPGR			(0x040C)
#define NS9750_ETH_CLRT			(0x0410)
#define NS9750_ETH_MAXF			(0x0414)
#define NS9750_ETH_SUPP			(0x0418)
#define NS9750_ETH_TEST			(0x041C)
#define NS9750_ETH_MCFG			(0x0420)
#define NS9750_ETH_MCMD			(0x0424)
#define NS9750_ETH_MADR			(0x0428)
#define NS9750_ETH_MWTD			(0x042C)
#define NS9750_ETH_MRDD			(0x0430)
#define NS9750_ETH_MIND			(0x0434)
#define NS9750_ETH_SA1			(0x0440)
#define NS9750_ETH_SA2			(0x0444)
#define NS9750_ETH_SA3			(0x0448)
#define NS9750_ETH_SAFR			(0x0500)
#define NS9750_ETH_HT1			(0x0504)
#define NS9750_ETH_HT2			(0x0508)
#define NS9750_ETH_STAT_BASE		(0x0680)
#define NS9750_ETH_RXAPTR		(0x0A00)
#define NS9750_ETH_RXBPTR		(0x0A04)
#define NS9750_ETH_RXCPTR		(0x0A08)
#define NS9750_ETH_RXDPTR		(0x0A0C)
#define NS9750_ETH_EINTR		(0x0A10)
#define NS9750_ETH_EINTREN		(0x0A14)
#define NS9750_ETH_TXPTR		(0x0A18)
#define NS9750_ETH_TXRPTR		(0x0A1C)
#define NS9750_ETH_TXERBD		(0x0A20)
#define NS9750_ETH_TXSPTR		(0x0A24)
#define NS9750_ETH_RXAOFF		(0x0A28)
#define NS9750_ETH_RXBOFF		(0x0A2C)
#define NS9750_ETH_RXCOFF		(0x0A30)
#define NS9750_ETH_RXDOFF		(0x0A34)
#define NS9750_ETH_TXOFF		(0x0A38)
#define NS9750_ETH_RXFREE		(0x0A3C)
#define NS9750_ETH_TXBD			(0x1000)

/* register bit fields */

#define NS9750_ETH_EGCR1_ERX		(0x80000000)
#define NS9750_ETH_EGCR1_ERXDMA		(0x40000000)
#define NS9750_ETH_EGCR1_ERXSHT		(0x10000000)
#define NS9750_ETH_EGCR1_ERXSIZ		(0x08000000)
#define NS9750_ETH_EGCR1_ETXSIZ		(0x04000000)
#define NS9750_ETH_EGCR1_ETXDIAG	(0x02000000)
#define NS9750_ETH_EGCR1_ERXBAD		(0x01000000)
#define NS9750_ETH_EGCR1_ETX		(0x00800000)
#define NS9750_ETH_EGCR1_ETXDMA		(0x00400000)
#define NS9750_ETH_EGCR1_ETXWM		(0x00200000)
#define NS9750_ETH_EGCR1_ERXADV		(0x00100000)
#define NS9750_ETH_EGCR1_ERXINIT	(0x00080000)
#define NS9750_ETH_EGCR1_PHY_MODE_MA	(0x0000C000)
#define NS9750_ETH_EGCR1_PHY_MODE_MII	(0x00008000)
#define NS9750_ETH_EGCR1_PHY_MODE_RMII	(0x00004000)
#define NS9750_ETH_EGCR1_RXCINV		(0x00001000)
#define NS9750_ETH_EGCR1_TXCINV		(0x00000800)
#define NS9750_ETH_EGCR1_RXALIGN	(0x00000400)
#define NS9750_ETH_EGCR1_MAC_HRST	(0x00000200)
#define NS9750_ETH_EGCR1_ITXA		(0x00000100)

#define NS9750_ETH_EGCR2_TPTV_MA	(0xFFFF0000)
#define NS9750_ETH_EGCR2_TPCF		(0x00000040)
#define NS9750_ETH_EGCR2_THPDF		(0x00000020)
#define NS9750_ETH_EGCR2_TCLER		(0x00000008)
#define NS9750_ETH_EGCR2_AUTOZ		(0x00000004)
#define NS9750_ETH_EGCR2_CLRCNT		(0x00000002)
#define NS9750_ETH_EGCR2_STEN		(0x00000001)

#define NS9750_ETH_EGSR_RXINIT		(0x00100000)
#define NS9750_ETH_EGSR_TXFIFONF	(0x00080000)
#define NS9750_ETH_EGSR_TXFIFOH		(0x00040000)
#define NS9750_ETH_EGSR_TXFIFOE		(0x00010000)

#define NS9750_ETH_FIFOTXS_ALL		(0x00000055)
#define NS9750_ETH_FIFOTXS_3		(0x000000d5)
#define NS9750_ETH_FIFOTXS_2		(0x00000035)
#define NS9750_ETH_FIFOTXS_1		(0x0000000D)
#define NS9750_ETH_FIFOTXS_0		(0x00000003)

#define NS9750_ETH_ETSR_TXOK		(0x00008000)
#define NS9750_ETH_ETSR_TXBR		(0x00004000)
#define NS9750_ETH_ETSR_TXMC		(0x00002000)
#define NS9750_ETH_ETSR_TXAL		(0x00001000)
#define NS9750_ETH_ETSR_TXAED		(0x00000800)
#define NS9750_ETH_ETSR_TXAEC		(0x00000400)
#define NS9750_ETH_ETSR_TXAUR		(0x00000200)
#define NS9750_ETH_ETSR_TXAJ		(0x00000100)
#define NS9750_ETH_ETSR_TXDEF		(0x00000040)
#define NS9750_ETH_ETSR_TXCRC		(0x00000020)
#define NS9750_ETH_ETSR_TXCOLC		(0x0000000F)

#define NS9750_ETH_ERSR_RXSIZE_MA	(0x0FFF0000)
#define NS9750_ETH_ERSR_RXCE		(0x00008000)
#define NS9750_ETH_ERSR_RXDV		(0x00004000)
#define NS9750_ETH_ERSR_RXOK		(0x00002000)
#define NS9750_ETH_ERSR_RXBR		(0x00001000)
#define NS9750_ETH_ERSR_RXMC		(0x00000800)
#define NS9750_ETH_ERSR_RXCRC		(0x00000400)
#define NS9750_ETH_ERSR_RXDR		(0x00000200)
#define NS9750_ETH_ERSR_RXCV		(0x00000100)
#define NS9750_ETH_ERSR_RXSHT		(0x00000040)

#define NS9750_ETH_MAC1_SRST		(0x00008000)
#define NS9750_ETH_MAC1_SIMMRST		(0x00004000)
#define NS9750_ETH_MAC1_RPEMCSR		(0x00000800)
#define NS9750_ETH_MAC1_RPERFUN		(0x00000400)
#define NS9750_ETH_MAC1_RPEMCST		(0x00000200)
#define NS9750_ETH_MAC1_RPETFUN		(0x00000100)
#define NS9750_ETH_MAC1_LOOPBK		(0x00000010)
#define NS9750_ETH_MAC1_TXFLOW		(0x00000008)
#define NS9750_ETH_MAC1_RXFLOW		(0x00000004)
#define NS9750_ETH_MAC1_PALLRX		(0x00000002)
#define NS9750_ETH_MAC1_RXEN		(0x00000001)

#define NS9750_ETH_MAC2_EDEFER		(0x00004000)
#define NS9750_ETH_MAC2_BACKP		(0x00002000)
#define NS9750_ETH_MAC2_NOBO		(0x00001000)
#define NS9750_ETH_MAC2_LONGP		(0x00000200)
#define NS9750_ETH_MAC2_PUREP		(0x00000100)
#define NS9750_ETH_MAC2_AUTOP		(0x00000080)
#define NS9750_ETH_MAC2_VLANP		(0x00000040)
#define NS9750_ETH_MAC2_PADEN		(0x00000020)
#define NS9750_ETH_MAC2_CRCEN		(0x00000010)
#define NS9750_ETH_MAC2_DELCRC		(0x00000008)
#define NS9750_ETH_MAC2_HUGE		(0x00000004)
#define NS9750_ETH_MAC2_FLENC		(0x00000002)
#define NS9750_ETH_MAC2_FULLD		(0x00000001)

#define NS9750_ETH_IPGT_MA		(0x0000007F)

#define NS9750_ETH_IPGR_IPGR1		(0x00007F00)
#define NS9750_ETH_IPGR_IPGR2		(0x0000007F)

#define NS9750_ETH_CLRT_CWIN		(0x00003F00)
#define	NS9750_ETH_CLRT_RETX		(0x0000000F)

#define NS9750_ETH_MAXF_MAXF		(0x0000FFFF)

#define NS9750_ETH_SUPP_RPERMII		(0x00008000)
#define NS9750_ETH_SUPP_SPEED		(0x00000080)

#define NS9750_ETH_TEST_TBACK		(0x00000004)
#define NS9750_ETH_TEST_TPAUSE		(0x00000002)
#define NS9750_ETH_TEST_SPQ		(0x00000001)

#define NS9750_ETH_MCFG_RMIIM		(0x00008000)
#define NS9750_ETH_MCFG_CLKS_MA		(0x0000001C)
#define NS9750_ETH_MCFG_CLKS_4		(0x00000004)
#define NS9750_ETH_MCFG_CLKS_6		(0x00000008)
#define NS9750_ETH_MCFG_CLKS_8		(0x0000000C)
#define NS9750_ETH_MCFG_CLKS_10		(0x00000010)
#define NS9750_ETH_MCFG_CLKS_20		(0x00000014)
#define NS9750_ETH_MCFG_CLKS_30		(0x00000018)
#define NS9750_ETH_MCFG_CLKS_40		(0x0000001C)
#define NS9750_ETH_MCFG_SPRE		(0x00000002)
#define NS9750_ETH_MCFG_SCANI		(0x00000001)

#define NS9750_ETH_MCMD_SCAN		(0x00000002)
#define NS9750_ETH_MCMD_READ		(0x00000001)

#define NS9750_ETH_MADR_DADR_MA		(0x00001F00)
#define NS9750_ETH_MADR_RADR_MA		(0x0000001F)

#define NS9750_ETH_MWTD_MA		(0x0000FFFF)

#define NS9750_ETH_MRRD_MA		(0x0000FFFF)

#define NS9750_ETH_MIND_MIILF		(0x00000008)
#define NS9750_ETH_MIND_NVALID		(0x00000004)
#define NS9750_ETH_MIND_SCAN		(0x00000002)
#define NS9750_ETH_MIND_BUSY		(0x00000001)

#define NS9750_ETH_SA1_OCTET1_MA	(0x0000FF00)
#define NS9750_ETH_SA1_OCTET2_MA	(0x000000FF)

#define NS9750_ETH_SA2_OCTET3_MA	(0x0000FF00)
#define NS9750_ETH_SA2_OCTET4_MA	(0x000000FF)

#define NS9750_ETH_SA3_OCTET5_MA	(0x0000FF00)
#define NS9750_ETH_SA3_OCTET6_MA	(0x000000FF)

#define NS9750_ETH_SAFR_PRO		(0x00000008)
#define NS9750_ETH_SAFR_PRM		(0x00000004)
#define NS9750_ETH_SAFR_PRA		(0x00000002)
#define NS9750_ETH_SAFR_BROAD		(0x00000001)

#define NS9750_ETH_HT1_MA		(0x0000FFFF)

#define NS9750_ETH_HT2_MA		(0x0000FFFF)

/* also valid for EINTREN */
#define NS9750_ETH_EINTR_RXOVL_DATA	(0x02000000)
#define NS9750_ETH_EINTR_RXOVL_STAT	(0x01000000)
#define NS9750_ETH_EINTR_RXBUFC		(0x00800000)
#define NS9750_ETH_EINTR_RXDONEA	(0x00400000)
#define NS9750_ETH_EINTR_RXDONEB	(0x00200000)
#define NS9750_ETH_EINTR_RXDONEC	(0x00100000)
#define NS9750_ETH_EINTR_RXDONED	(0x00080000)
#define NS9750_ETH_EINTR_RXNOBUF	(0x00040000)
#define NS9750_ETH_EINTR_RXBUFFUL	(0x00020000)
#define NS9750_ETH_EINTR_RXBR		(0x00010000)
#define NS9750_ETH_EINTR_STOVFL		(0x00000040)
#define NS9750_ETH_EINTR_TXPAUSE	(0x00000020)
#define NS9750_ETH_EINTR_TXBUFC		(0x00000010)
#define NS9750_ETH_EINTR_TXBUFNR	(0x00000008)
#define NS9750_ETH_EINTR_TXDONE		(0x00000004)
#define NS9750_ETH_EINTR_TXERR		(0x00000002)
#define NS9750_ETH_EINTR_TXIDLE		(0x00000001)
#define NS9750_ETH_EINTR_RX_MA	\
	(NS9750_ETH_EINTR_RXOVL_DATA | \
	 NS9750_ETH_EINTR_RXOVL_STAT | \
	 NS9750_ETH_EINTR_RXBUFC | \
	 NS9750_ETH_EINTR_RXDONEA | \
	 NS9750_ETH_EINTR_RXDONEB | \
	 NS9750_ETH_EINTR_RXDONEC | \
	 NS9750_ETH_EINTR_RXDONED | \
	 NS9750_ETH_EINTR_RXNOBUF | \
	 NS9750_ETH_EINTR_RXBUFFUL | \
	 NS9750_ETH_EINTR_RXBR )
#define NS9750_ETH_EINTR_TX_MA	\
	(NS9750_ETH_EINTR_TXPAUSE | \
	 NS9750_ETH_EINTR_TXBUFC | \
	 NS9750_ETH_EINTR_TXBUFNR | \
	 NS9750_ETH_EINTR_TXDONE | \
	 NS9750_ETH_EINTR_TXERR | \
	 NS9750_ETH_EINTR_TXIDLE)

/* for TXPTR, TXRPTR, TXERBD and TXSPTR */
#define NS9750_ETH_TXPTR_MA		(0x000000FF)

/* for RXAOFF, RXBOFF, RXCOFF and RXDOFF */
#define NS9750_ETH_RXOFF_MA		(0x000007FF)

#define NS9750_ETH_TXOFF_MA		(0x000003FF)

#define NS9750_ETH_RXFREE_D		(0x00000008)
#define NS9750_ETH_RXFREE_C		(0x00000004)
#define NS9750_ETH_RXFREE_B		(0x00000002)
#define NS9750_ETH_RXFREE_A		(0x00000001)

#ifndef NS9750_ETH_PHY_ADDRESS
# define NS9750_ETH_PHY_ADDRESS		(0x0001) /* suitable for UNC20 */
#endif /* NETARM_ETH_PHY_ADDRESS */

#endif /* CONFIG_DRIVER_NS9750_ETHERNET */

#endif /* FS_NS9750_ETH_H */