spider_net.h

linux 内核源代码

/*
 * Network device driver for Cell Processor-Based Blade and Celleb platform
 *
 * (C) Copyright IBM Corp. 2005
 * (C) Copyright 2006 TOSHIBA CORPORATION
 *
 * Authors : Utz Bacher <[e-mail]>
 *           Jens Osterkamp <[e-mail]>
 *
 * 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef _SPIDER_NET_H
#define _SPIDER_NET_H

#define VERSION "2.0 B"

#include "sungem_phy.h"

extern int spider_net_stop(struct net_device *netdev);
extern int spider_net_open(struct net_device *netdev);

extern const struct ethtool_ops spider_net_ethtool_ops;

extern char spider_net_driver_name[];

#define SPIDER_NET_MAX_FRAME			2312
#define SPIDER_NET_MAX_MTU			2294
#define SPIDER_NET_MIN_MTU			64

#define SPIDER_NET_RXBUF_ALIGN			128

#define SPIDER_NET_RX_DESCRIPTORS_DEFAULT	256
#define SPIDER_NET_RX_DESCRIPTORS_MIN		16
#define SPIDER_NET_RX_DESCRIPTORS_MAX		512

#define SPIDER_NET_TX_DESCRIPTORS_DEFAULT	256
#define SPIDER_NET_TX_DESCRIPTORS_MIN		16
#define SPIDER_NET_TX_DESCRIPTORS_MAX		512

#define SPIDER_NET_TX_TIMER			(HZ/5)
#define SPIDER_NET_ANEG_TIMER			(HZ)
#define SPIDER_NET_ANEG_TIMEOUT			2

#define SPIDER_NET_RX_CSUM_DEFAULT		1

#define SPIDER_NET_WATCHDOG_TIMEOUT		50*HZ
#define SPIDER_NET_NAPI_WEIGHT			64

#define SPIDER_NET_FIRMWARE_SEQS	6
#define SPIDER_NET_FIRMWARE_SEQWORDS	1024
#define SPIDER_NET_FIRMWARE_LEN		(SPIDER_NET_FIRMWARE_SEQS * \
					 SPIDER_NET_FIRMWARE_SEQWORDS * \
					 sizeof(u32))
#define SPIDER_NET_FIRMWARE_NAME	"spider_fw.bin"

/** spider_net SMMIO registers */
#define SPIDER_NET_GHIINT0STS		0x00000000
#define SPIDER_NET_GHIINT1STS		0x00000004
#define SPIDER_NET_GHIINT2STS		0x00000008
#define SPIDER_NET_GHIINT0MSK		0x00000010
#define SPIDER_NET_GHIINT1MSK		0x00000014
#define SPIDER_NET_GHIINT2MSK		0x00000018

#define SPIDER_NET_GRESUMINTNUM		0x00000020
#define SPIDER_NET_GREINTNUM		0x00000024

#define SPIDER_NET_GFFRMNUM		0x00000028
#define SPIDER_NET_GFAFRMNUM		0x0000002c
#define SPIDER_NET_GFBFRMNUM		0x00000030
#define SPIDER_NET_GFCFRMNUM		0x00000034
#define SPIDER_NET_GFDFRMNUM		0x00000038

/* clear them (don't use it) */
#define SPIDER_NET_GFREECNNUM		0x0000003c
#define SPIDER_NET_GONETIMENUM		0x00000040

#define SPIDER_NET_GTOUTFRMNUM		0x00000044

#define SPIDER_NET_GTXMDSET		0x00000050
#define SPIDER_NET_GPCCTRL		0x00000054
#define SPIDER_NET_GRXMDSET		0x00000058
#define SPIDER_NET_GIPSECINIT		0x0000005c
#define SPIDER_NET_GFTRESTRT		0x00000060
#define SPIDER_NET_GRXDMAEN		0x00000064
#define SPIDER_NET_GMRWOLCTRL		0x00000068
#define SPIDER_NET_GPCWOPCMD		0x0000006c
#define SPIDER_NET_GPCROPCMD		0x00000070
#define SPIDER_NET_GTTFRMCNT		0x00000078
#define SPIDER_NET_GTESTMD		0x0000007c

#define SPIDER_NET_GSINIT		0x00000080
#define SPIDER_NET_GSnPRGADR		0x00000084
#define SPIDER_NET_GSnPRGDAT		0x00000088

#define SPIDER_NET_GMACOPEMD		0x00000100
#define SPIDER_NET_GMACLENLMT		0x00000108
#define SPIDER_NET_GMACST		0x00000110
#define SPIDER_NET_GMACINTEN		0x00000118
#define SPIDER_NET_GMACPHYCTRL		0x00000120

#define SPIDER_NET_GMACAPAUSE		0x00000154
#define SPIDER_NET_GMACTXPAUSE		0x00000164

#define SPIDER_NET_GMACMODE		0x000001b0
#define SPIDER_NET_GMACBSTLMT		0x000001b4

#define SPIDER_NET_GMACUNIMACU		0x000001c0
#define SPIDER_NET_GMACUNIMACL		0x000001c8

#define SPIDER_NET_GMRMHFILnR		0x00000400
#define SPIDER_NET_MULTICAST_HASHES	256

#define SPIDER_NET_GMRUAFILnR		0x00000500
#define SPIDER_NET_GMRUA0FIL15R		0x00000578

#define SPIDER_NET_GTTQMSK		0x00000934

/* RX DMA controller registers, all 0x00000a.. are for DMA controller A,
 * 0x00000b.. for DMA controller B, etc. */
#define SPIDER_NET_GDADCHA		0x00000a00
#define SPIDER_NET_GDADMACCNTR		0x00000a04
#define SPIDER_NET_GDACTDPA		0x00000a08
#define SPIDER_NET_GDACTDCNT		0x00000a0c
#define SPIDER_NET_GDACDBADDR		0x00000a20
#define SPIDER_NET_GDACDBSIZE		0x00000a24
#define SPIDER_NET_GDACNEXTDA		0x00000a28
#define SPIDER_NET_GDACCOMST		0x00000a2c
#define SPIDER_NET_GDAWBCOMST		0x00000a30
#define SPIDER_NET_GDAWBRSIZE		0x00000a34
#define SPIDER_NET_GDAWBVSIZE		0x00000a38
#define SPIDER_NET_GDAWBTRST		0x00000a3c
#define SPIDER_NET_GDAWBTRERR		0x00000a40

/* TX DMA controller registers */
#define SPIDER_NET_GDTDCHA		0x00000e00
#define SPIDER_NET_GDTDMACCNTR		0x00000e04
#define SPIDER_NET_GDTCDPA		0x00000e08
#define SPIDER_NET_GDTDMASEL		0x00000e14

#define SPIDER_NET_ECMODE		0x00000f00
/* clock and reset control register */
#define SPIDER_NET_CKRCTRL		0x00000ff0

/** SCONFIG registers */
#define SPIDER_NET_SCONFIG_IOACTE	0x00002810

/** interrupt mask registers */
#define SPIDER_NET_INT0_MASK_VALUE	0x3f7fe2c7
#define SPIDER_NET_INT1_MASK_VALUE	0xffff7ff7
/* no MAC aborts -> auto retransmission */
#define SPIDER_NET_INT2_MASK_VALUE	0xffef7ff1

/* we rely on flagged descriptor interrupts */
#define SPIDER_NET_FRAMENUM_VALUE	0x00000000
/* set this first, then the FRAMENUM_VALUE */
#define SPIDER_NET_GFXFRAMES_VALUE	0x00000000

#define SPIDER_NET_STOP_SEQ_VALUE	0x00000000
#define SPIDER_NET_RUN_SEQ_VALUE	0x0000007e

#define SPIDER_NET_PHY_CTRL_VALUE	0x00040040
/* #define SPIDER_NET_PHY_CTRL_VALUE	0x01070080*/
#define SPIDER_NET_RXMODE_VALUE		0x00000011
/* auto retransmission in case of MAC aborts */
#define SPIDER_NET_TXMODE_VALUE		0x00010000
#define SPIDER_NET_RESTART_VALUE	0x00000000
#define SPIDER_NET_WOL_VALUE		0x00001111
#if 0
#define SPIDER_NET_WOL_VALUE		0x00000000
#endif
#define SPIDER_NET_IPSECINIT_VALUE	0x6f716f71

/* pause frames: automatic, no upper retransmission count */
/* outside loopback mode: ETOMOD signal dont matter, not connected */
/* ETOMOD signal is brought to PHY reset. bit 2 must be 1 in Celleb */
#define SPIDER_NET_OPMODE_VALUE		0x00000067
/*#define SPIDER_NET_OPMODE_VALUE		0x001b0062*/
#define SPIDER_NET_LENLMT_VALUE		0x00000908

#define SPIDER_NET_MACAPAUSE_VALUE	0x00000800 /* about 1 ms */
#define SPIDER_NET_TXPAUSE_VALUE	0x00000000

#define SPIDER_NET_MACMODE_VALUE	0x00000001
#define SPIDER_NET_BURSTLMT_VALUE	0x00000200 /* about 16 us */

/* DMAC control register GDMACCNTR
 *
 * 1(0)				enable r/tx dma
 *  0000000				fixed to 0
 *
 *         000000			fixed to 0
 *               0(1)			en/disable descr writeback on force end
 *                0(1)			force end
 *
 *                 000000		fixed to 0
 *                       00		burst alignment: 128 bytes
 *                       11		burst alignment: 1024 bytes
 *
 *                         00000	fixed to 0
 *                              0	descr writeback size 32 bytes
 *                               0(1)	descr chain end interrupt enable
 *                                0(1)	descr status writeback enable */

/* to set RX_DMA_EN */
#define SPIDER_NET_DMA_RX_VALUE		0x80000000
#define SPIDER_NET_DMA_RX_FEND_VALUE	0x00030003
/* to set TX_DMA_EN */
#define SPIDER_NET_TX_DMA_EN           0x80000000
#define SPIDER_NET_GDTBSTA             0x00000300
#define SPIDER_NET_GDTDCEIDIS          0x00000002
#define SPIDER_NET_DMA_TX_VALUE        SPIDER_NET_TX_DMA_EN | \
                                       SPIDER_NET_GDTDCEIDIS | \
                                       SPIDER_NET_GDTBSTA

#define SPIDER_NET_DMA_TX_FEND_VALUE	0x00030003

/* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */
#define SPIDER_NET_UA_DESCR_VALUE	0x00080000
#define SPIDER_NET_PROMISC_VALUE	0x00080000
#define SPIDER_NET_NONPROMISC_VALUE	0x00000000

#define SPIDER_NET_DMASEL_VALUE		0x00000001

#define SPIDER_NET_ECMODE_VALUE		0x00000000

#define SPIDER_NET_CKRCTRL_RUN_VALUE	0x1fff010f
#define SPIDER_NET_CKRCTRL_STOP_VALUE	0x0000010f

#define SPIDER_NET_SBIMSTATE_VALUE	0x00000000
#define SPIDER_NET_SBTMSTATE_VALUE	0x00000000

/* SPIDER_NET_GHIINT0STS bits, in reverse order so that they can be used
 * with 1 << SPIDER_NET_... */
enum spider_net_int0_status {
	SPIDER_NET_GPHYINT = 0,
	SPIDER_NET_GMAC2INT,