Beispiel #1
0
static void ni52_rnr_int(struct device *dev)
{
  struct priv *p = (struct priv *) dev->priv;

  p->stats.rx_errors++;

  while(p->scb->cmd);    /* wait for the last cmd */
  p->scb->cmd = RUC_ABORT;
  ni_attn586(); 
  while(p->scb->cmd);    /* wait for accept cmd. */

  alloc_rfa(dev,(char *)p->rfd_first);
  startrecv586(dev); /* restart */
}
Beispiel #2
0
static void elmc_rnr_int(struct net_device *dev)
{
	struct priv *p = (struct priv *) dev->priv;

	p->stats.rx_errors++;

	WAIT_4_SCB_CMD();	/* wait for the last cmd */
	p->scb->cmd = RUC_ABORT;	/* usually the RU is in the 'no resource'-state .. abort it now. */
	elmc_attn586();
	WAIT_4_SCB_CMD();	/* wait for accept cmd. */

	alloc_rfa(dev, (char *) p->rfd_first);
	startrecv586(dev);	/* restart RU */

	printk(KERN_WARNING "%s: Receive-Unit restarted. Status: %04x\n", dev->name, p->scb->status);

}
Beispiel #3
0
static void sun3_82586_rnr_int(struct net_device *dev)
{
	struct priv *p = netdev_priv(dev);

	dev->stats.rx_errors++;

	WAIT_4_SCB_CMD();		/* wait for the last cmd, WAIT_4_FULLSTAT?? */
	p->scb->cmd_ruc = RUC_ABORT; /* usually the RU is in the 'no resource'-state .. abort it now. */
	sun3_attn586();
	WAIT_4_SCB_CMD_RUC();		/* wait for accept cmd. */

	alloc_rfa(dev,(char *)p->rfd_first);
/* maybe add a check here, before restarting the RU */
	startrecv586(dev); /* restart RU */

	printk("%s: Receive-Unit restarted. Status: %04x\n",dev->name,p->scb->rus);

}
Beispiel #4
0
static void ni52_rnr_int(struct net_device *dev)
{
	struct priv *p = netdev_priv(dev);

	dev->stats.rx_errors++;

	wait_for_scb_cmd(dev);		/*                                          */
	writeb(RUC_ABORT, &p->scb->cmd_ruc); /*                                                               */
	ni_attn586();
	wait_for_scb_cmd_ruc(dev);		/*                      */

	alloc_rfa(dev, p->rfd_first);
	/*                                                  */
	startrecv586(dev); /*            */

	printk(KERN_ERR "%s: Receive-Unit restarted. Status: %04x\n",
		dev->name, readb(&p->scb->rus));

}
Beispiel #5
0
static void ni52_rnr_int(struct net_device *dev)
{
	struct priv *p = netdev_priv(dev);

	p->stats.rx_errors++;

	wait_for_scb_cmd(dev);		/* wait for the last cmd, WAIT_4_FULLSTAT?? */
	writeb(RUC_ABORT, &p->scb->cmd_ruc); /* usually the RU is in the 'no resource'-state .. abort it now. */
	ni_attn586();
	wait_for_scb_cmd_ruc(dev);		/* wait for accept cmd. */

	alloc_rfa(dev, p->rfd_first);
	/* maybe add a check here, before restarting the RU */
	startrecv586(dev); /* restart RU */

	printk(KERN_ERR "%s: Receive-Unit restarted. Status: %04x\n",
		dev->name, readb(&p->scb->rus));

}
Beispiel #6
0
static int init586(struct net_device *dev)
{
	void *ptr;
	int i,result=0;
	struct priv *p = netdev_priv(dev);
	volatile struct configure_cmd_struct	*cfg_cmd;
	volatile struct iasetup_cmd_struct *ias_cmd;
	volatile struct tdr_cmd_struct *tdr_cmd;
	volatile struct mcsetup_cmd_struct *mc_cmd;
	struct netdev_hw_addr *ha;
	int num_addrs=netdev_mc_count(dev);

	ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct));

	cfg_cmd = (struct configure_cmd_struct *)ptr; /* configure-command */
	cfg_cmd->cmd_status	= 0;
	cfg_cmd->cmd_cmd	= swab16(CMD_CONFIGURE | CMD_LAST);
	cfg_cmd->cmd_link	= 0xffff;

	cfg_cmd->byte_cnt	= 0x0a; /* number of cfg bytes */
	cfg_cmd->fifo		= fifo; /* fifo-limit (8=tx:32/rx:64) */
	cfg_cmd->sav_bf		= 0x40; /* hold or discard bad recv frames (bit 7) */
	cfg_cmd->adr_len	= 0x2e; /* addr_len |!src_insert |pre-len |loopback */
	cfg_cmd->priority	= 0x00;
	cfg_cmd->ifs		= 0x60;
	cfg_cmd->time_low	= 0x00;
	cfg_cmd->time_high	= 0xf2;
	cfg_cmd->promisc	= 0;
	if(dev->flags & IFF_ALLMULTI) {
		int len = ((char *) p->iscp - (char *) ptr - 8) / 6;
		if(num_addrs > len)	{
			printk("%s: switching to promisc. mode\n",dev->name);
			cfg_cmd->promisc = 1;
		}
	}
	if(dev->flags&IFF_PROMISC)
		cfg_cmd->promisc = 1;
	cfg_cmd->carr_coll	= 0x00;

	p->scb->cbl_offset	= make16(cfg_cmd);
	p->scb->cmd_ruc		= 0;

	p->scb->cmd_cuc		= CUC_START; /* cmd.-unit start */
	sun3_attn586();

	WAIT_4_STAT_COMPL(cfg_cmd);

	if((swab16(cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_COMPL|STAT_OK))
	{
		printk("%s: configure command failed: %x\n",dev->name,swab16(cfg_cmd->cmd_status));
		return 1;
	}

	/*
	 * individual address setup
	 */

	ias_cmd = (struct iasetup_cmd_struct *)ptr;

	ias_cmd->cmd_status	= 0;
	ias_cmd->cmd_cmd	= swab16(CMD_IASETUP | CMD_LAST);
	ias_cmd->cmd_link	= 0xffff;

	memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN);

	p->scb->cbl_offset = make16(ias_cmd);

	p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
	sun3_attn586();

	WAIT_4_STAT_COMPL(ias_cmd);

	if((swab16(ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_OK|STAT_COMPL)) {
		printk("%s (82586): individual address setup command failed: %04x\n",dev->name,swab16(ias_cmd->cmd_status));
		return 1;
	}

	/*
	 * TDR, wire check .. e.g. no resistor e.t.c
	 */

	tdr_cmd = (struct tdr_cmd_struct *)ptr;

	tdr_cmd->cmd_status	= 0;
	tdr_cmd->cmd_cmd	= swab16(CMD_TDR | CMD_LAST);
	tdr_cmd->cmd_link	= 0xffff;
	tdr_cmd->status		= 0;

	p->scb->cbl_offset = make16(tdr_cmd);
	p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */
	sun3_attn586();

	WAIT_4_STAT_COMPL(tdr_cmd);

	if(!(swab16(tdr_cmd->cmd_status) & STAT_COMPL))
	{
		printk("%s: Problems while running the TDR.\n",dev->name);
	}
	else
	{
		DELAY_16(); /* wait for result */
		result = swab16(tdr_cmd->status);

		p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
		sun3_attn586(); /* ack the interrupts */

		if(result & TDR_LNK_OK)
			;
		else if(result & TDR_XCVR_PRB)
			printk("%s: TDR: Transceiver problem. Check the cable(s)!\n",dev->name);
		else if(result & TDR_ET_OPN)
			printk("%s: TDR: No correct termination %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
		else if(result & TDR_ET_SRT)
		{
			if (result & TDR_TIMEMASK) /* time == 0 -> strange :-) */
				printk("%s: TDR: Detected a short circuit %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
		}
		else
			printk("%s: TDR: Unknown status %04x\n",dev->name,result);
	}

	/*
	 * Multicast setup
	 */
	if(num_addrs && !(dev->flags & IFF_PROMISC) )
	{
		mc_cmd = (struct mcsetup_cmd_struct *) ptr;
		mc_cmd->cmd_status = 0;
		mc_cmd->cmd_cmd = swab16(CMD_MCSETUP | CMD_LAST);
		mc_cmd->cmd_link = 0xffff;
		mc_cmd->mc_cnt = swab16(num_addrs * 6);

		i = 0;
		netdev_for_each_mc_addr(ha, dev)
			memcpy((char *) mc_cmd->mc_list[i++],
			       ha->addr, ETH_ALEN);

		p->scb->cbl_offset = make16(mc_cmd);
		p->scb->cmd_cuc = CUC_START;
		sun3_attn586();

		WAIT_4_STAT_COMPL(mc_cmd);

		if( (swab16(mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) )
			printk("%s: Can't apply multicast-address-list.\n",dev->name);
	}

	/*
	 * alloc nop/xmit-cmds
	 */
#if (NUM_XMIT_BUFFS == 1)
	for(i=0;i<2;i++)
	{
		p->nop_cmds[i] 			= (struct nop_cmd_struct *)ptr;
		p->nop_cmds[i]->cmd_cmd		= swab16(CMD_NOP);
		p->nop_cmds[i]->cmd_status 	= 0;
		p->nop_cmds[i]->cmd_link	= make16((p->nop_cmds[i]));
		ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
	}
#else
	for(i=0;i<NUM_XMIT_BUFFS;i++)
	{
		p->nop_cmds[i]			= (struct nop_cmd_struct *)ptr;
		p->nop_cmds[i]->cmd_cmd		= swab16(CMD_NOP);
		p->nop_cmds[i]->cmd_status	= 0;
		p->nop_cmds[i]->cmd_link	= make16((p->nop_cmds[i]));
		ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
	}
#endif

	ptr = alloc_rfa(dev,(void *)ptr); /* init receive-frame-area */

	/*
	 * alloc xmit-buffs / init xmit_cmds
	 */
	for(i=0;i<NUM_XMIT_BUFFS;i++)
	{
		p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; /*transmit cmd/buff 0*/
		ptr = (char *) ptr + sizeof(struct transmit_cmd_struct);
		p->xmit_cbuffs[i] = (char *)ptr; /* char-buffs */
		ptr = (char *) ptr + XMIT_BUFF_SIZE;
		p->xmit_buffs[i] = (struct tbd_struct *)ptr; /* TBD */
		ptr = (char *) ptr + sizeof(struct tbd_struct);
		if((void *)ptr > (void *)dev->mem_end)
		{
			printk("%s: not enough shared-mem for your configuration!\n",dev->name);
			return 1;
		}
		memset((char *)(p->xmit_cmds[i]) ,0, sizeof(struct transmit_cmd_struct));
		memset((char *)(p->xmit_buffs[i]),0, sizeof(struct tbd_struct));
		p->xmit_cmds[i]->cmd_link = make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]);
		p->xmit_cmds[i]->cmd_status = swab16(STAT_COMPL);
		p->xmit_cmds[i]->cmd_cmd = swab16(CMD_XMIT | CMD_INT);
		p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i]));
		p->xmit_buffs[i]->next = 0xffff;
		p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i]));
	}

	p->xmit_count = 0;
	p->xmit_last	= 0;
#ifndef NO_NOPCOMMANDS
	p->nop_point	= 0;
#endif

	 /*
		* 'start transmitter'
		*/
#ifndef NO_NOPCOMMANDS
	p->scb->cbl_offset = make16(p->nop_cmds[0]);
	p->scb->cmd_cuc = CUC_START;
	sun3_attn586();
	WAIT_4_SCB_CMD();
#else
	p->xmit_cmds[0]->cmd_link = make16(p->xmit_cmds[0]);
	p->xmit_cmds[0]->cmd_cmd	= swab16(CMD_XMIT | CMD_SUSPEND | CMD_INT);
#endif

	/*
	 * ack. interrupts
	 */
	p->scb->cmd_cuc = p->scb->cus & STAT_MASK;
	sun3_attn586();
	DELAY_16();

	sun3_enaint();
	sun3_active();

	return 0;
}
Beispiel #7
0
static int init586(struct net_device *dev)
{
	void __iomem *ptr;
	int i, result = 0;
	struct priv *p = netdev_priv(dev);
	struct configure_cmd_struct __iomem *cfg_cmd;
	struct iasetup_cmd_struct __iomem *ias_cmd;
	struct tdr_cmd_struct __iomem *tdr_cmd;
	struct mcsetup_cmd_struct __iomem *mc_cmd;
	struct netdev_hw_addr *ha;
	int num_addrs = netdev_mc_count(dev);

	ptr = p->scb + 1;

	cfg_cmd = ptr; /*                   */
	writew(0, &cfg_cmd->cmd_status);
	writew(CMD_CONFIGURE | CMD_LAST, &cfg_cmd->cmd_cmd);
	writew(0xFFFF, &cfg_cmd->cmd_link);

	/*                     */
	writeb(0x0a, &cfg_cmd->byte_cnt);
	/*                            */
	writeb(fifo, &cfg_cmd->fifo);
	/*                                         */
	writeb(0x40, &cfg_cmd->sav_bf);
	/*                                          */
	writeb(0x2e, &cfg_cmd->adr_len);
	writeb(0x00, &cfg_cmd->priority);
	writeb(0x60, &cfg_cmd->ifs);
	writeb(0x00, &cfg_cmd->time_low);
	writeb(0xf2, &cfg_cmd->time_high);
	writeb(0x00, &cfg_cmd->promisc);
	if (dev->flags & IFF_ALLMULTI) {
		int len = ((char __iomem *)p->iscp - (char __iomem *)ptr - 8) / 6;
		if (num_addrs > len) {
			printk(KERN_ERR "%s: switching to promisc. mode\n",
				dev->name);
			writeb(0x01, &cfg_cmd->promisc);
		}
	}
	if (dev->flags & IFF_PROMISC)
		writeb(0x01, &cfg_cmd->promisc);
	writeb(0x00, &cfg_cmd->carr_coll);
	writew(make16(cfg_cmd), &p->scb->cbl_offset);
	writeb(0, &p->scb->cmd_ruc);

	writeb(CUC_START, &p->scb->cmd_cuc); /*                 */
	ni_attn586();

	wait_for_stat_compl(cfg_cmd);

	if ((readw(&cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) !=
							(STAT_COMPL|STAT_OK)) {
		printk(KERN_ERR "%s: configure command failed: %x\n",
				dev->name, readw(&cfg_cmd->cmd_status));
		return 1;
	}

	/*
                            
  */

	ias_cmd = ptr;

	writew(0, &ias_cmd->cmd_status);
	writew(CMD_IASETUP | CMD_LAST, &ias_cmd->cmd_cmd);
	writew(0xffff, &ias_cmd->cmd_link);

	memcpy_toio(&ias_cmd->iaddr, (char *)dev->dev_addr, ETH_ALEN);

	writew(make16(ias_cmd), &p->scb->cbl_offset);

	writeb(CUC_START, &p->scb->cmd_cuc); /*                 */
	ni_attn586();

	wait_for_stat_compl(ias_cmd);

	if ((readw(&ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) !=
							(STAT_OK|STAT_COMPL)) {
		printk(KERN_ERR "%s (ni52): individual address setup command failed: %04x\n", dev->name, readw(&ias_cmd->cmd_status));
		return 1;
	}

	/*
                                             
  */

	tdr_cmd = ptr;

	writew(0, &tdr_cmd->cmd_status);
	writew(CMD_TDR | CMD_LAST, &tdr_cmd->cmd_cmd);
	writew(0xffff, &tdr_cmd->cmd_link);
	writew(0, &tdr_cmd->status);

	writew(make16(tdr_cmd), &p->scb->cbl_offset);
	writeb(CUC_START, &p->scb->cmd_cuc); /*                 */
	ni_attn586();

	wait_for_stat_compl(tdr_cmd);

	if (!(readw(&tdr_cmd->cmd_status) & STAT_COMPL))
		printk(KERN_ERR "%s: Problems while running the TDR.\n",
				dev->name);
	else {
		udelay(16);
		result = readw(&tdr_cmd->status);
		writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc);
		ni_attn586(); /*                    */

		if (result & TDR_LNK_OK)
			;
		else if (result & TDR_XCVR_PRB)
			printk(KERN_ERR "%s: TDR: Transceiver problem. Check the cable(s)!\n",
				dev->name);
		else if (result & TDR_ET_OPN)
			printk(KERN_ERR "%s: TDR: No correct termination %d clocks away.\n",
				dev->name, result & TDR_TIMEMASK);
		else if (result & TDR_ET_SRT) {
			/*                          */
			if (result & TDR_TIMEMASK)
				printk(KERN_ERR "%s: TDR: Detected a short circuit %d clocks away.\n",
					dev->name, result & TDR_TIMEMASK);
		} else
			printk(KERN_ERR "%s: TDR: Unknown status %04x\n",
						dev->name, result);
	}

	/*
                   
  */
	if (num_addrs && !(dev->flags & IFF_PROMISC)) {
		mc_cmd = ptr;
		writew(0, &mc_cmd->cmd_status);
		writew(CMD_MCSETUP | CMD_LAST, &mc_cmd->cmd_cmd);
		writew(0xffff, &mc_cmd->cmd_link);
		writew(num_addrs * 6, &mc_cmd->mc_cnt);

		i = 0;
		netdev_for_each_mc_addr(ha, dev)
			memcpy_toio(mc_cmd->mc_list[i++], ha->addr, 6);

		writew(make16(mc_cmd), &p->scb->cbl_offset);
		writeb(CUC_START, &p->scb->cmd_cuc);
		ni_attn586();

		wait_for_stat_compl(mc_cmd);

		if ((readw(&mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK))
						 != (STAT_COMPL|STAT_OK))
			printk(KERN_ERR "%s: Can't apply multicast-address-list.\n", dev->name);
	}

	/*
                       
  */
#if (NUM_XMIT_BUFFS == 1)
	for (i = 0; i < 2; i++) {
		p->nop_cmds[i] = ptr;
		writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd);
		writew(0, &p->nop_cmds[i]->cmd_status);
		writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link);
		ptr = ptr + sizeof(struct nop_cmd_struct);
	}
#else
	for (i = 0; i < NUM_XMIT_BUFFS; i++) {
		p->nop_cmds[i] = ptr;
		writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd);
		writew(0, &p->nop_cmds[i]->cmd_status);
		writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link);
		ptr = ptr + sizeof(struct nop_cmd_struct);
	}
#endif

	ptr = alloc_rfa(dev, ptr); /*                         */

	/*
                                     
  */
	for (i = 0; i < NUM_XMIT_BUFFS; i++) {
		/*                     */
		p->xmit_cmds[i] = ptr;
		ptr = ptr + sizeof(struct transmit_cmd_struct);
		p->xmit_cbuffs[i] = ptr; /*            */
		ptr = ptr + XMIT_BUFF_SIZE;
		p->xmit_buffs[i] = ptr; /*     */
		ptr = ptr + sizeof(struct tbd_struct);
		if ((void __iomem *)ptr > (void __iomem *)p->iscp) {
			printk(KERN_ERR "%s: not enough shared-mem for your configuration!\n",
				dev->name);
			return 1;
		}
		memset_io(p->xmit_cmds[i], 0,
					sizeof(struct transmit_cmd_struct));
		memset_io(p->xmit_buffs[i], 0,
					sizeof(struct tbd_struct));
		writew(make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]),
					&p->xmit_cmds[i]->cmd_link);
		writew(STAT_COMPL, &p->xmit_cmds[i]->cmd_status);
		writew(CMD_XMIT|CMD_INT, &p->xmit_cmds[i]->cmd_cmd);
		writew(make16(p->xmit_buffs[i]), &p->xmit_cmds[i]->tbd_offset);
		writew(0xffff, &p->xmit_buffs[i]->next);
		writel(make24(p->xmit_cbuffs[i]), &p->xmit_buffs[i]->buffer);
	}

	p->xmit_count = 0;
	p->xmit_last	= 0;
#ifndef NO_NOPCOMMANDS
	p->nop_point	= 0;
#endif

	 /*
                       
  */
#ifndef NO_NOPCOMMANDS
	writew(make16(p->nop_cmds[0]), &p->scb->cbl_offset);
	writeb(CUC_START, &p->scb->cmd_cuc);
	ni_attn586();
	wait_for_scb_cmd(dev);
#else
	writew(make16(p->xmit_cmds[0]), &p->xmit_cmds[0]->cmd_link);
	writew(CMD_XMIT | CMD_SUSPEND | CMD_INT, &p->xmit_cmds[0]->cmd_cmd);
#endif

	/*
                   
  */
	writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc);
	ni_attn586();
	udelay(16);

	ni_enaint();

	return 0;
}
Beispiel #8
0
static int init586(struct net_device *dev)
{
	void *ptr;
	unsigned long s;
	int i, result = 0;
	struct priv *p = (struct priv *) dev->priv;
	volatile struct configure_cmd_struct *cfg_cmd;
	volatile struct iasetup_cmd_struct *ias_cmd;
	volatile struct tdr_cmd_struct *tdr_cmd;
	volatile struct mcsetup_cmd_struct *mc_cmd;
	struct dev_mc_list *dmi = dev->mc_list;
	int num_addrs = dev->mc_count;

	ptr = (void *) ((char *) p->scb + sizeof(struct scb_struct));

	cfg_cmd = (struct configure_cmd_struct *) ptr;	/* configure-command */
	cfg_cmd->cmd_status = 0;
	cfg_cmd->cmd_cmd = CMD_CONFIGURE | CMD_LAST;
	cfg_cmd->cmd_link = 0xffff;

	cfg_cmd->byte_cnt = 0x0a;	/* number of cfg bytes */
	cfg_cmd->fifo = 0x08;	/* fifo-limit (8=tx:32/rx:64) */
	cfg_cmd->sav_bf = 0x40;	/* hold or discard bad recv frames (bit 7) */
	cfg_cmd->adr_len = 0x2e;	/* addr_len |!src_insert |pre-len |loopback */
	cfg_cmd->priority = 0x00;
	cfg_cmd->ifs = 0x60;
	cfg_cmd->time_low = 0x00;
	cfg_cmd->time_high = 0xf2;
	cfg_cmd->promisc = 0;
	if (dev->flags & (IFF_ALLMULTI | IFF_PROMISC)) {
		cfg_cmd->promisc = 1;
		dev->flags |= IFF_PROMISC;
	}
	cfg_cmd->carr_coll = 0x00;

	p->scb->cbl_offset = make16(cfg_cmd);

	p->scb->cmd = CUC_START;	/* cmd.-unit start */
	elmc_id_attn586();

	s = jiffies;		/* warning: only active with interrupts on !! */
	while (!(cfg_cmd->cmd_status & STAT_COMPL)) {
		if (jiffies - s > 30*HZ/100)
			break;
	}

	if ((cfg_cmd->cmd_status & (STAT_OK | STAT_COMPL)) != (STAT_COMPL | STAT_OK)) {
		printk(KERN_WARNING "%s (elmc): configure command failed: %x\n", dev->name, cfg_cmd->cmd_status);
		return 1;
	}
	/*
	 * individual address setup
	 */
	ias_cmd = (struct iasetup_cmd_struct *) ptr;

	ias_cmd->cmd_status = 0;
	ias_cmd->cmd_cmd = CMD_IASETUP | CMD_LAST;
	ias_cmd->cmd_link = 0xffff;

	memcpy((char *) &ias_cmd->iaddr, (char *) dev->dev_addr, ETH_ALEN);

	p->scb->cbl_offset = make16(ias_cmd);

	p->scb->cmd = CUC_START;	/* cmd.-unit start */
	elmc_id_attn586();

	s = jiffies;
	while (!(ias_cmd->cmd_status & STAT_COMPL)) {
		if (jiffies - s > 30*HZ/100)
			break;
	}

	if ((ias_cmd->cmd_status & (STAT_OK | STAT_COMPL)) != (STAT_OK | STAT_COMPL)) {
		printk(KERN_WARNING "%s (elmc): individual address setup command failed: %04x\n", dev->name, ias_cmd->cmd_status);
		return 1;
	}
	/*
	 * TDR, wire check .. e.g. no resistor e.t.c
	 */
	tdr_cmd = (struct tdr_cmd_struct *) ptr;

	tdr_cmd->cmd_status = 0;
	tdr_cmd->cmd_cmd = CMD_TDR | CMD_LAST;
	tdr_cmd->cmd_link = 0xffff;
	tdr_cmd->status = 0;

	p->scb->cbl_offset = make16(tdr_cmd);

	p->scb->cmd = CUC_START;	/* cmd.-unit start */
	elmc_attn586();

	s = jiffies;
	while (!(tdr_cmd->cmd_status & STAT_COMPL)) {
		if (jiffies - s > 30*HZ/100) {
			printk(KERN_WARNING "%s: %d Problems while running the TDR.\n", dev->name, __LINE__);
			result = 1;
			break;
		}
	}

	if (!result) {
		DELAY(2);	/* wait for result */
		result = tdr_cmd->status;

		p->scb->cmd = p->scb->status & STAT_MASK;
		elmc_id_attn586();	/* ack the interrupts */

		if (result & TDR_LNK_OK) {
			/* empty */
		} else if (result & TDR_XCVR_PRB) {
			printk(KERN_WARNING "%s: TDR: Transceiver problem!\n", dev->name);
		} else if (result & TDR_ET_OPN) {
			printk(KERN_WARNING "%s: TDR: No correct termination %d clocks away.\n", dev->name, result & TDR_TIMEMASK);
		} else if (result & TDR_ET_SRT) {
			if (result & TDR_TIMEMASK)	/* time == 0 -> strange :-) */
				printk(KERN_WARNING "%s: TDR: Detected a short circuit %d clocks away.\n", dev->name, result & TDR_TIMEMASK);
		} else {
			printk(KERN_WARNING "%s: TDR: Unknown status %04x\n", dev->name, result);
		}
	}
	/*
	 * ack interrupts
	 */
	p->scb->cmd = p->scb->status & STAT_MASK;
	elmc_id_attn586();

	/*
	 * alloc nop/xmit-cmds
	 */
#if (NUM_XMIT_BUFFS == 1)
	for (i = 0; i < 2; i++) {
		p->nop_cmds[i] = (struct nop_cmd_struct *) ptr;
		p->nop_cmds[i]->cmd_cmd = CMD_NOP;
		p->nop_cmds[i]->cmd_status = 0;
		p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i]));
		ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
	}
	p->xmit_cmds[0] = (struct transmit_cmd_struct *) ptr;	/* transmit cmd/buff 0 */
	ptr = (char *) ptr + sizeof(struct transmit_cmd_struct);
#else
	for (i = 0; i < NUM_XMIT_BUFFS; i++) {
		p->nop_cmds[i] = (struct nop_cmd_struct *) ptr;
		p->nop_cmds[i]->cmd_cmd = CMD_NOP;
		p->nop_cmds[i]->cmd_status = 0;
		p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i]));
		ptr = (char *) ptr + sizeof(struct nop_cmd_struct);
		p->xmit_cmds[i] = (struct transmit_cmd_struct *) ptr;	/*transmit cmd/buff 0 */
		ptr = (char *) ptr + sizeof(struct transmit_cmd_struct);
	}
#endif

	ptr = alloc_rfa(dev, (void *) ptr);	/* init receive-frame-area */

	/*
	 * Multicast setup
	 */

	if (dev->mc_count) {
		/* I don't understand this: do we really need memory after the init? */
		int len = ((char *) p->iscp - (char *) ptr - 8) / 6;
		if (len <= 0) {
			printk(KERN_ERR "%s: Ooooops, no memory for MC-Setup!\n", dev->name);
		} else {
			if (len < num_addrs) {
				num_addrs = len;
				printk(KERN_WARNING "%s: Sorry, can only apply %d MC-Address(es).\n",
				       dev->name, num_addrs);
			}
			mc_cmd = (struct mcsetup_cmd_struct *) ptr;
			mc_cmd->cmd_status = 0;
			mc_cmd->cmd_cmd = CMD_MCSETUP | CMD_LAST;
			mc_cmd->cmd_link = 0xffff;
			mc_cmd->mc_cnt = num_addrs * 6;
			for (i = 0; i < num_addrs; i++) {
				memcpy((char *) mc_cmd->mc_list[i], dmi->dmi_addr, 6);
				dmi = dmi->next;
			}
			p->scb->cbl_offset = make16(mc_cmd);
			p->scb->cmd = CUC_START;
			elmc_id_attn586();
			s = jiffies;
			while (!(mc_cmd->cmd_status & STAT_COMPL)) {
				if (jiffies - s > 30*HZ/100)
					break;
			}
			if (!(mc_cmd->cmd_status & STAT_COMPL)) {
				printk(KERN_WARNING "%s: Can't apply multicast-address-list.\n", dev->name);
			}
		}
	}
	/*
	 * alloc xmit-buffs / init xmit_cmds
	 */
	for (i = 0; i < NUM_XMIT_BUFFS; i++) {
		p->xmit_cbuffs[i] = (char *) ptr;	/* char-buffs */
		ptr = (char *) ptr + XMIT_BUFF_SIZE;
		p->xmit_buffs[i] = (struct tbd_struct *) ptr;	/* TBD */
		ptr = (char *) ptr + sizeof(struct tbd_struct);
		if ((void *) ptr > (void *) p->iscp) {
			printk(KERN_ERR "%s: not enough shared-mem for your configuration!\n", dev->name);
			return 1;
		}
		memset((char *) (p->xmit_cmds[i]), 0, sizeof(struct transmit_cmd_struct));
		memset((char *) (p->xmit_buffs[i]), 0, sizeof(struct tbd_struct));
		p->xmit_cmds[i]->cmd_status = STAT_COMPL;
		p->xmit_cmds[i]->cmd_cmd = CMD_XMIT | CMD_INT;
		p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i]));
		p->xmit_buffs[i]->next = 0xffff;
		p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i]));
	}

	p->xmit_count = 0;
	p->xmit_last = 0;
#ifndef NO_NOPCOMMANDS
	p->nop_point = 0;
#endif

	/*
	 * 'start transmitter' (nop-loop)
	 */
#ifndef NO_NOPCOMMANDS
	p->scb->cbl_offset = make16(p->nop_cmds[0]);
	p->scb->cmd = CUC_START;
	elmc_id_attn586();
	WAIT_4_SCB_CMD();
#else
	p->xmit_cmds[0]->cmd_link = 0xffff;
	p->xmit_cmds[0]->cmd_cmd = CMD_XMIT | CMD_LAST | CMD_INT;
#endif

	return 0;
}
Beispiel #9
0
static int init586(struct device *dev)
{
  void *ptr;
  unsigned long s;
  int i,result=0;
  struct priv *p = (struct priv *) dev->priv;
  volatile struct configure_cmd_struct  *cfg_cmd;
  volatile struct iasetup_cmd_struct *ias_cmd;
  volatile struct tdr_cmd_struct *tdr_cmd;

  ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct));

  cfg_cmd = (struct configure_cmd_struct *)ptr; /* configure-command */
 
  cfg_cmd->byte_cnt     = 0x04; /* number of cfg bytes */
  cfg_cmd->fifo         = 0xc8;    /* fifo-limit (8=tx:32/rx:64) | monitor */
  cfg_cmd->sav_bf       = 0x40; /* hold or discard bad recv frames (bit 7) */
  cfg_cmd->adr_len      = 0x2e; /* addr_len |!src_insert |pre-len |loopback */
  cfg_cmd->cmd_status   = 0;
  cfg_cmd->cmd_cmd      = CMD_CONFIGURE | CMD_LAST;
  cfg_cmd->cmd_link     = 0xffff;

  p->scb->cbl_offset = make16(cfg_cmd);

  p->scb->cmd = CUC_START; /* cmd.-unit start */
  ni_attn586();
 
  s = jiffies; /* warning: only active with interrupts on !! */
  while(!(cfg_cmd->cmd_status & STAT_COMPL)) 
    if(jiffies-s > 30) break;

  if((cfg_cmd->cmd_status & (STAT_OK|STAT_COMPL)) != (STAT_COMPL|STAT_OK))
  {
    printk("%s (ni52): configure command failed: %x\n",dev->name,cfg_cmd->cmd_status);
    return 1; 
  }

    /*
     * individual address setup
     */
  ias_cmd = (struct iasetup_cmd_struct *)ptr;

  ias_cmd->cmd_status = 0;
  ias_cmd->cmd_cmd    = CMD_IASETUP | CMD_LAST;
  ias_cmd->cmd_link   = 0xffff;

  memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN);

  p->scb->cbl_offset = make16(ias_cmd);

  p->scb->cmd = CUC_START; /* cmd.-unit start */
  ni_attn586();

  s = jiffies;
  while(!(ias_cmd->cmd_status & STAT_COMPL)) 
    if(jiffies-s > 30) break;

  if((ias_cmd->cmd_status & (STAT_OK|STAT_COMPL)) != (STAT_OK|STAT_COMPL)) {
    printk("%s (ni52): individual address setup command failed: %04x\n",dev->name,ias_cmd->cmd_status);
    return 1; 
  }

   /* 
    * TDR, wire check .. e.g. no resistor e.t.c 
    */
  tdr_cmd = (struct tdr_cmd_struct *)ptr;

  tdr_cmd->cmd_status  = 0;
  tdr_cmd->cmd_cmd     = CMD_TDR | CMD_LAST;
  tdr_cmd->cmd_link    = 0xffff;
  tdr_cmd->status      = 0;

  p->scb->cbl_offset = make16(tdr_cmd);

  p->scb->cmd = CUC_START; /* cmd.-unit start */
  ni_attn586();

  s = jiffies; 
  while(!(tdr_cmd->cmd_status & STAT_COMPL))
    if(jiffies - s > 30) {
      printk("%s: Problems while running the TDR.\n",dev->name);
      result = 1;
    }

  if(!result)
  {
    DELAY(2); /* wait for result */
    result = tdr_cmd->status;

    p->scb->cmd = p->scb->status & STAT_MASK;
    ni_attn586(); /* ack the interrupts */

    if(result & TDR_LNK_OK) ;
    else if(result & TDR_XCVR_PRB)
      printk("%s: TDR: Transceiver problem!\n",dev->name);
    else if(result & TDR_ET_OPN)
      printk("%s: TDR: No correct termination %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
    else if(result & TDR_ET_SRT) 
    {
      if (result & TDR_TIMEMASK) /* time == 0 -> strange :-) */
        printk("%s: TDR: Detected a short circuit %d clocks away.\n",dev->name,result & TDR_TIMEMASK);
    }
    else
      printk("%s: TDR: Unknown status %04x\n",dev->name,result);
  }
 
   /* 
    * ack interrupts 
    */
  p->scb->cmd = p->scb->status & STAT_MASK;
  ni_attn586();

   /*
    * alloc nop/xmit-cmds
    */
#ifdef ONLY_ONE_XMIT_BUF
  for(i=0;i<2;i++)
  {
    p->nop_cmds[i] = (struct nop_cmd_struct *)ptr;
    p->nop_cmds[i]->cmd_cmd    = 0;
    p->nop_cmds[i]->cmd_status = 0;
    p->nop_cmds[i]->cmd_link   = make16((p->nop_cmds[i]));
    ptr += sizeof(struct nop_cmd_struct);
  }
  p->xmit_cmds[0] = (struct transmit_cmd_struct *)ptr; /* transmit cmd/buff 0 */
  ptr += sizeof(struct transmit_cmd_struct);
#else
  for(i=0;i<NUM_XMIT_BUFFS;i++)
  {
    p->nop_cmds[i] = (struct nop_cmd_struct *)ptr;
    p->nop_cmds[i]->cmd_cmd    = 0;
    p->nop_cmds[i]->cmd_status = 0;
    p->nop_cmds[i]->cmd_link   = make16((p->nop_cmds[i]));
    ptr += sizeof(struct nop_cmd_struct);
    p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; /* transmit cmd/buff 0 */
    ptr += sizeof(struct transmit_cmd_struct);
  }
#endif

  ptr = alloc_rfa(dev,(void *)ptr); /* init receive-frame-area */ 

   /*
    * alloc xmit-buffs 
    */
  for(i=0;i<NUM_XMIT_BUFFS;i++)
  {
    p->xmit_cbuffs[i] = (char *)ptr; /* char-buffs */
    ptr += XMIT_BUFF_SIZE;
    p->xmit_buffs[i] = (struct tbd_struct *)ptr; /* TBD */
    ptr += sizeof(struct tbd_struct);
    if((void *)ptr > (void *)p->iscp) 
    {
      printk("%s: not enough shared-mem for your configuration!\n",dev->name);
      return 1;
    }   
    memset((char *)(p->xmit_cmds[i]) ,0, sizeof(struct transmit_cmd_struct));
    memset((char *)(p->xmit_buffs[i]),0, sizeof(struct tbd_struct));
    p->xmit_cmds[i]->cmd_status = STAT_COMPL;
    p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i]));
    p->xmit_buffs[i]->next = 0xffff;
    p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i]));
  }
  
  p->xmit_count = 0; 
  p->xmit_last  = 0;
#ifndef NO_NOPCOMMANDS
  p->nop_point  = 0;
#endif

   /*
    * 'start transmitter' (nop-loop)
    */
#ifndef NO_NOPCOMMANDS
  p->scb->cbl_offset = make16(p->nop_cmds[0]);
  p->scb->cmd = CUC_START;
  ni_attn586();
  while(p->scb->cmd);
#else
/*
  p->nop_cmds[0]->cmd_link = make16(p->nop_cmds[1]);
  p->nop_cmds[1]->cmd_link = make16(p->xmit_cmds[0]);
*/
  p->xmit_cmds[0]->cmd_link = 0xffff;
  p->xmit_cmds[0]->cmd_cmd  = CMD_XMIT | CMD_LAST | CMD_INT;
#endif

  return 0;
}
Beispiel #10
0
static int init586(struct net_device *dev)
{
	void __iomem *ptr;
	int i, result = 0;
	struct priv *p = (struct priv *)dev->priv;
	struct configure_cmd_struct __iomem *cfg_cmd;
	struct iasetup_cmd_struct __iomem *ias_cmd;
	struct tdr_cmd_struct __iomem *tdr_cmd;
	struct mcsetup_cmd_struct __iomem *mc_cmd;
	struct dev_mc_list *dmi = dev->mc_list;
	int num_addrs = dev->mc_count;

	ptr = p->scb + 1;

	cfg_cmd = ptr; /* configure-command */
	writew(0, &cfg_cmd->cmd_status);
	writew(CMD_CONFIGURE | CMD_LAST, &cfg_cmd->cmd_cmd);
	writew(0xFFFF, &cfg_cmd->cmd_link);

	/* number of cfg bytes */
	writeb(0x0a, &cfg_cmd->byte_cnt);
	/* fifo-limit (8=tx:32/rx:64) */
	writeb(fifo, &cfg_cmd->fifo);
	/* hold or discard bad recv frames (bit 7) */
	writeb(0x40, &cfg_cmd->sav_bf);
	/* addr_len |!src_insert |pre-len |loopback */
	writeb(0x2e, &cfg_cmd->adr_len);
	writeb(0x00, &cfg_cmd->priority);
	writeb(0x60, &cfg_cmd->ifs);;
	writeb(0x00, &cfg_cmd->time_low);
	writeb(0xf2, &cfg_cmd->time_high);
	writeb(0x00, &cfg_cmd->promisc);;
	if (dev->flags & IFF_ALLMULTI) {
		int len = ((char __iomem *)p->iscp - (char __iomem *)ptr - 8) / 6;
		if (num_addrs > len) {
			printk(KERN_ERR "%s: switching to promisc. mode\n",
				dev->name);
			dev->flags |= IFF_PROMISC;
		}
	}
	if (dev->flags & IFF_PROMISC)
		writeb(0x01, &cfg_cmd->promisc);
	writeb(0x00, &cfg_cmd->carr_coll);
	writew(make16(cfg_cmd), &p->scb->cbl_offset);
	writeb(0, &p->scb->cmd_ruc);

	writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
	ni_attn586();

	wait_for_stat_compl(cfg_cmd);

	if ((readw(&cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) !=
							(STAT_COMPL|STAT_OK)) {
		printk(KERN_ERR "%s: configure command failed: %x\n",
				dev->name, readw(&cfg_cmd->cmd_status));
		return 1;
	}

	/*
	 * individual address setup
	 */

	ias_cmd = ptr;

	writew(0, &ias_cmd->cmd_status);
	writew(CMD_IASETUP | CMD_LAST, &ias_cmd->cmd_cmd);
	writew(0xffff, &ias_cmd->cmd_link);

	memcpy_toio(&ias_cmd->iaddr, (char *)dev->dev_addr, ETH_ALEN);

	writew(make16(ias_cmd), &p->scb->cbl_offset);

	writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
	ni_attn586();

	wait_for_stat_compl(ias_cmd);

	if ((readw(&ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) !=
							(STAT_OK|STAT_COMPL)) {
		printk(KERN_ERR "%s (ni52): individual address setup command failed: %04x\n", dev->name, readw(&ias_cmd->cmd_status));
		return 1;
	}

	/*
	 * TDR, wire check .. e.g. no resistor e.t.c
	 */

	tdr_cmd = ptr;

	writew(0, &tdr_cmd->cmd_status);
	writew(CMD_TDR | CMD_LAST, &tdr_cmd->cmd_cmd);
	writew(0xffff, &tdr_cmd->cmd_link);
	writew(0, &tdr_cmd->status);

	writew(make16(tdr_cmd), &p->scb->cbl_offset);
	writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
	ni_attn586();

	wait_for_stat_compl(tdr_cmd);

	if (!(readw(&tdr_cmd->cmd_status) & STAT_COMPL))
		printk(KERN_ERR "%s: Problems while running the TDR.\n",
				dev->name);
	else {
		udelay(16);
		result = readw(&tdr_cmd->status);
		writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc);
		ni_attn586(); /* ack the interrupts */

		if (result & TDR_LNK_OK)
			;
		else if (result & TDR_XCVR_PRB)
			printk(KERN_ERR "%s: TDR: Transceiver problem. Check the cable(s)!\n",
				dev->name);
		else if (result & TDR_ET_OPN)
			printk(KERN_ERR "%s: TDR: No correct termination %d clocks away.\n",
				dev->name, result & TDR_TIMEMASK);
		else if (result & TDR_ET_SRT) {
			/* time == 0 -> strange :-) */
			if (result & TDR_TIMEMASK)
				printk(KERN_ERR "%s: TDR: Detected a short circuit %d clocks away.\n",
					dev->name, result & TDR_TIMEMASK);
		} else
			printk(KERN_ERR "%s: TDR: Unknown status %04x\n",
						dev->name, result);
	}

	/*
	 * Multicast setup
	 */
	if (num_addrs && !(dev->flags & IFF_PROMISC)) {
		mc_cmd = ptr;
		writew(0, &mc_cmd->cmd_status);
		writew(CMD_MCSETUP | CMD_LAST, &mc_cmd->cmd_cmd);
		writew(0xffff, &mc_cmd->cmd_link);
		writew(num_addrs * 6, &mc_cmd->mc_cnt);

		for (i = 0; i < num_addrs; i++, dmi = dmi->next)
			memcpy_toio(mc_cmd->mc_list[i],
							dmi->dmi_addr, 6);

		writew(make16(mc_cmd), &p->scb->cbl_offset);
		writeb(CUC_START, &p->scb->cmd_cuc);
		ni_attn586();

		wait_for_stat_compl(mc_cmd);

		if ((readw(&mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK))
						 != (STAT_COMPL|STAT_OK))
			printk(KERN_ERR "%s: Can't apply multicast-address-list.\n", dev->name);
	}

	/*
	 * alloc nop/xmit-cmds
	 */
#if (NUM_XMIT_BUFFS == 1)
	for (i = 0; i < 2; i++) {
		p->nop_cmds[i] = ptr;
		writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd);
		writew(0, &p->nop_cmds[i]->cmd_status);
		writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link);
		ptr = ptr + sizeof(struct nop_cmd_struct);
	}
#else
	for (i = 0; i < NUM_XMIT_BUFFS; i++) {
		p->nop_cmds[i] = ptr;
		writew(CMD_NOP, &p->nop_cmds[i]->cmd_cmd);
		writew(0, &p->nop_cmds[i]->cmd_status);
		writew(make16(p->nop_cmds[i]), &p->nop_cmds[i]->cmd_link);
		ptr = ptr + sizeof(struct nop_cmd_struct);
	}
#endif

	ptr = alloc_rfa(dev, ptr); /* init receive-frame-area */

	/*
	 * alloc xmit-buffs / init xmit_cmds
	 */
	for (i = 0; i < NUM_XMIT_BUFFS; i++) {
		/* Transmit cmd/buff 0 */
		p->xmit_cmds[i] = ptr;
		ptr = ptr + sizeof(struct transmit_cmd_struct);
		p->xmit_cbuffs[i] = ptr; /* char-buffs */
		ptr = ptr + XMIT_BUFF_SIZE;
		p->xmit_buffs[i] = ptr; /* TBD */
		ptr = ptr + sizeof(struct tbd_struct);
		if ((void __iomem *)ptr > (void __iomem *)p->iscp) {
			printk(KERN_ERR "%s: not enough shared-mem for your configuration!\n",
				dev->name);
			return 1;
		}
		memset_io(p->xmit_cmds[i], 0,
					sizeof(struct transmit_cmd_struct));
		memset_io(p->xmit_buffs[i], 0,
					sizeof(struct tbd_struct));
		writew(make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]),
					&p->xmit_cmds[i]->cmd_link);
		writew(STAT_COMPL, &p->xmit_cmds[i]->cmd_status);
		writew(CMD_XMIT|CMD_INT, &p->xmit_cmds[i]->cmd_cmd);
		writew(make16(p->xmit_buffs[i]), &p->xmit_cmds[i]->tbd_offset);
		writew(0xffff, &p->xmit_buffs[i]->next);
		writel(make24(p->xmit_cbuffs[i]), &p->xmit_buffs[i]->buffer);
	}

	p->xmit_count = 0;
	p->xmit_last	= 0;
#ifndef NO_NOPCOMMANDS
	p->nop_point	= 0;
#endif

	 /*
		* 'start transmitter'
		*/
#ifndef NO_NOPCOMMANDS
	writew(make16(p->nop_cmds[0]), &p->scb->cbl_offset);
	writeb(CUC_START, &p->scb->cmd_cuc);
	ni_attn586();
	wait_for_scb_cmd(dev);
#else
	writew(make16(p->xmit_cmds[0]), &p->xmit_cmds[0]->cmd_link);
	writew(CMD_XMIT | CMD_SUSPEND | CMD_INT, &p->xmit_cmds[0]->cmd_cmd);
#endif

	/*
	 * ack. interrupts
	 */
	writeb(readb(&p->scb->cus) & STAT_MASK, &p->scb->cmd_cuc);
	ni_attn586();
	udelay(16);

	ni_enaint();

	return 0;
}