X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fni52.c;h=a316dcc8a06d5e61576c1ce4b1ba9e8073cb0d76;hb=cce3ce89c1abde1298dd0e769ab9c14ea95d7384;hp=8eac7146a884d0e10a2ce0eabae57aebe8f8c54e;hpb=e06ee2bb03f936c57265e447bc05e8324db61207;p=linux-2.6

diff --git a/drivers/net/ni52.c b/drivers/net/ni52.c
index 8eac7146a8..a316dcc8a0 100644
--- a/drivers/net/ni52.c
+++ b/drivers/net/ni52.c
@@ -134,7 +134,7 @@ static int fifo = 0x8;	/* don't change */
 #define ni_disint()   { outb(0, dev->base_addr + NI52_INTDIS); }
 #define ni_enaint()   { outb(0, dev->base_addr + NI52_INTENA); }
 
-#define make32(ptr16) (p->memtop + (short) (ptr16))
+#define make32(ptr16) ((void __iomem *)(p->memtop + (short) (ptr16)))
 #define make24(ptr32) ((char __iomem *)(ptr32)) - p->base
 #define make16(ptr32) ((unsigned short) ((char __iomem *)(ptr32)\
 					- p->memtop))
@@ -241,7 +241,8 @@ static void wait_for_scb_cmd_ruc(struct net_device *dev)
 		udelay(4);
 		if (i == 16383) {
 			printk(KERN_ERR "%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n",
-				dev->name, p->scb->cmd_ruc, p->scb->rus);
+				dev->name, readb(&p->scb->cmd_ruc),
+				readb(&p->scb->rus));
 			if (!p->reset) {
 				p->reset = 1;
 				ni_reset586();
@@ -294,48 +295,58 @@ static int ni52_open(struct net_device *dev)
 	return 0; /* most done by init */
 }
 
+static int check_iscp(struct net_device *dev, void __iomem *addr)
+{
+	struct iscp_struct __iomem *iscp = addr;
+	struct priv *p = dev->priv;
+	memset_io(iscp, 0, sizeof(struct iscp_struct));
+
+	writel(make24(iscp), &p->scp->iscp);
+	writeb(1, &iscp->busy);
+
+	ni_reset586();
+	ni_attn586();
+	mdelay(32);	/* wait a while... */
+	/* i82586 clears 'busy' after successful init */
+	if (readb(&iscp->busy))
+		return 0;
+	return 1;
+}
+
 /**********************************************
  * Check to see if there's an 82586 out there.
  */
 static int check586(struct net_device *dev, unsigned size)
 {
-	unsigned long where = dev->mem_start;
-	struct priv pb;
-	struct priv *p = /* (struct priv *) dev->priv*/ &pb;
-	char __iomem *iscp_addrs[2];
+	struct priv *p = dev->priv;
 	int i;
 
-	p->mapped = (char __iomem *)isa_bus_to_virt(where);
+	p->mapped = ioremap(dev->mem_start, size);
+	if (!p->mapped)
+		return 0;
+
 	p->base = p->mapped + size - 0x01000000;
 	p->memtop = p->mapped + size;
 	p->scp = (struct scp_struct __iomem *)(p->base + SCP_DEFAULT_ADDRESS);
+	p->scb	= (struct scb_struct __iomem *)	p->mapped;
+	p->iscp = (struct iscp_struct __iomem *)p->scp - 1;
 	memset_io(p->scp, 0, sizeof(struct scp_struct));
 	for (i = 0; i < sizeof(struct scp_struct); i++)
 		/* memory was writeable? */
 		if (readb((char __iomem *)p->scp + i))
-			return 0;
+			goto Enodev;
 	writeb(SYSBUSVAL, &p->scp->sysbus);	/* 1 = 8Bit-Bus, 0 = 16 Bit */
 	if (readb(&p->scp->sysbus) != SYSBUSVAL)
-		return 0;
-
-	iscp_addrs[0] = p->mapped;
-	iscp_addrs[1] = (char __iomem *)p->scp - sizeof(struct iscp_struct);
+		goto Enodev;
 
-	for (i = 0; i < 2; i++) {
-		p->iscp = (struct iscp_struct __iomem *) iscp_addrs[i];
-		memset_io(p->iscp, 0, sizeof(struct iscp_struct));
-
-		writel(make24(p->iscp), &p->scp->iscp);
-		writeb(1, &p->iscp->busy);
-
-		ni_reset586();
-		ni_attn586();
-		mdelay(32);	/* wait a while... */
-		/* i82586 clears 'busy' after successful init */
-		if (readb(&p->iscp->busy))
-			return 0;
-	}
+	if (!check_iscp(dev, p->mapped))
+		goto Enodev;
+	if (!check_iscp(dev, p->iscp))
+		goto Enodev;
 	return 1;
+Enodev:
+	iounmap(p->mapped);
+	return 0;
 }
 
 /******************************************************************
@@ -348,13 +359,6 @@ static void alloc586(struct net_device *dev)
 	ni_reset586();
 	mdelay(32);
 
-	spin_lock_init(&p->spinlock);
-
-	p->scp	= (struct scp_struct __iomem *)	(p->base + SCP_DEFAULT_ADDRESS);
-	p->scb	= (struct scb_struct __iomem *)	isa_bus_to_virt(dev->mem_start);
-	p->iscp = (struct iscp_struct __iomem *)
-			((char __iomem *)p->scp - sizeof(struct iscp_struct));
-
 	memset_io(p->iscp, 0, sizeof(struct iscp_struct));
 	memset_io(p->scp , 0, sizeof(struct scp_struct));
 
@@ -389,12 +393,15 @@ struct net_device * __init ni52_probe(int unit)
 {
 	struct net_device *dev = alloc_etherdev(sizeof(struct priv));
 	static int ports[] = {0x300, 0x280, 0x360 , 0x320 , 0x340, 0};
+	struct priv *p;
 	int *port;
 	int err = 0;
 
 	if (!dev)
 		return ERR_PTR(-ENOMEM);
 
+	p = dev->priv;
+
 	if (unit >= 0) {
 		sprintf(dev->name, "eth%d", unit);
 		netdev_boot_setup_check(dev);
@@ -429,6 +436,7 @@ got_it:
 		goto out1;
 	return dev;
 out1:
+	iounmap(p->mapped);
 	release_region(dev->base_addr, NI52_TOTAL_SIZE);
 out:
 	free_netdev(dev);
@@ -445,6 +453,8 @@ static int __init ni52_probe1(struct net_device *dev, int ioaddr)
 	dev->mem_start = memstart;
 	dev->mem_end = memend;
 
+	spin_lock_init(&priv->spinlock);
+
 	if (!request_region(ioaddr, NI52_TOTAL_SIZE, DRV_NAME))
 		return -EBUSY;
 
@@ -520,11 +530,6 @@ static int __init ni52_probe1(struct net_device *dev, int ioaddr)
 	dev->mem_end = dev->mem_start + size;
 #endif
 
-	memset(priv, 0, sizeof(struct priv));
-
-	priv->mapped = (char __iomem *)isa_bus_to_virt(dev->mem_start);
-	priv->memtop = priv->mapped + size;
-	priv->base =  priv->mapped + size - 0x01000000;
 	alloc586(dev);
 
 	/* set number of receive-buffs according to memsize */
@@ -548,6 +553,7 @@ static int __init ni52_probe1(struct net_device *dev, int ioaddr)
 		if (!dev->irq) {
 			printk("?autoirq, Failed to detect IRQ line!\n");
 			retval = -EAGAIN;
+			iounmap(priv->mapped);
 			goto out;
 		}
 		printk("IRQ %d (autodetected).\n", dev->irq);
@@ -622,7 +628,7 @@ static int init586(struct net_device *dev)
 		writeb(0x01, &cfg_cmd->promisc);
 	writeb(0x00, &cfg_cmd->carr_coll);
 	writew(make16(cfg_cmd), &p->scb->cbl_offset);
-	writew(0, &p->scb->cmd_ruc);
+	writeb(0, &p->scb->cmd_ruc);
 
 	writeb(CUC_START, &p->scb->cmd_cuc); /* cmd.-unit start */
 	ni_attn586();
@@ -893,7 +899,7 @@ static irqreturn_t ni52_interrupt(int irq, void *dev_id)
 			if (readb(&p->scb->rus) & RU_SUSPEND) {
 				/* special case: RU_SUSPEND */
 				wait_for_scb_cmd(dev);
-				p->scb->cmd_ruc = RUC_RESUME;
+				writeb(RUC_RESUME, &p->scb->cmd_ruc);
 				ni_attn586();
 				wait_for_scb_cmd_ruc(dev);
 			} else {
@@ -920,7 +926,7 @@ static irqreturn_t ni52_interrupt(int irq, void *dev_id)
 
 		/* Wait for ack. (ni52_xmt_int can be faster than ack!!) */
 		wait_for_scb_cmd(dev);
-		if (p->scb->cmd_cuc) {	 /* timed out? */
+		if (readb(&p->scb->cmd_cuc)) {	 /* timed out? */
 			printk(KERN_ERR "%s: Acknowledge timed out.\n",
 				dev->name);
 			ni_disint();
@@ -950,7 +956,7 @@ static void ni52_rcv_int(struct net_device *dev)
 		printk("R");
 
 	for (; (status = readb(&p->rfd_top->stat_high)) & RFD_COMPL;) {
-		rbd = (struct rbd_struct __iomem *) make32(p->rfd_top->rbd_offset);
+		rbd = make32(readw(&p->rfd_top->rbd_offset));
 		if (status & RFD_OK) { /* frame received without error? */
 			totlen = readw(&rbd->status);
 			if (totlen & RBD_LAST) {
@@ -961,7 +967,7 @@ static void ni52_rcv_int(struct net_device *dev)
 				if (skb != NULL) {
 					skb_reserve(skb, 2);
 					skb_put(skb, totlen);
-					skb_copy_to_linear_data(skb, p->base + (unsigned long) rbd->buffer, totlen);
+					memcpy_fromio(skb->data, p->base + readl(&rbd->buffer), totlen);
 					skb->protocol = eth_type_trans(skb, dev);
 					netif_rx(skb);
 					dev->last_rx = jiffies;
@@ -980,7 +986,7 @@ static void ni52_rcv_int(struct net_device *dev)
 						break;
 					}
 					writew(0, &rbd->status);
-					rbd = (struct rbd_struct __iomem *) make32(readl(&rbd->next));
+					rbd = make32(readw(&rbd->next));
 				}
 				totlen += rstat & RBD_MASK;
 				writew(0, &rbd->status);
@@ -998,7 +1004,7 @@ static void ni52_rcv_int(struct net_device *dev)
 		writew(0xffff, &p->rfd_top->rbd_offset);
 		writeb(0, &p->rfd_last->last);	/* delete RFD_SUSP	*/
 		p->rfd_last = p->rfd_top;
-		p->rfd_top = (struct rfd_struct __iomem *) make32(p->rfd_top->next); /* step to next RFD */
+		p->rfd_top = make32(readw(&p->rfd_top->next)); /* step to next RFD */
 		writew(make16(p->rfd_top), &p->scb->rfa_offset);
 
 		if (debuglevel > 0)
@@ -1047,7 +1053,8 @@ static void ni52_rnr_int(struct net_device *dev)
 	/* 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, p->scb->rus);
+	printk(KERN_ERR "%s: Receive-Unit restarted. Status: %04x\n",
+		dev->name, readb(&p->scb->rus));
 
 }
 
@@ -1179,12 +1186,11 @@ static int ni52_send_packet(struct sk_buff *skb, struct net_device *dev)
 
 	netif_stop_queue(dev);
 
-	skb_copy_from_linear_data(skb, (char *)p->xmit_cbuffs[p->xmit_count],
-							skb->len);
+	memcpy_toio(p->xmit_cbuffs[p->xmit_count], skb->data, skb->len);
 	len = skb->len;
 	if (len < ETH_ZLEN) {
 		len = ETH_ZLEN;
-		memset((char *)p->xmit_cbuffs[p->xmit_count]+skb->len, 0,
+		memset_io(p->xmit_cbuffs[p->xmit_count]+skb->len, 0,
 							len - skb->len);
 	}
 
@@ -1192,14 +1198,14 @@ static int ni52_send_packet(struct sk_buff *skb, struct net_device *dev)
 #	ifdef NO_NOPCOMMANDS
 
 #ifdef DEBUG
-	if (p->scb->cus & CU_ACTIVE) {
+	if (readb(&p->scb->cus) & CU_ACTIVE) {
 		printk(KERN_ERR "%s: Hmmm .. CU is still running and we wanna send a new packet.\n", dev->name);
 		printk(KERN_ERR "%s: stat: %04x %04x\n",
 				dev->name, readb(&p->scb->cus),
 				readw(&p->xmit_cmds[0]->cmd_status));
 	}
 #endif
-	writew(TBD_LAST | len, &p->xmit_buffs[0]->size);;
+	writew(TBD_LAST | len, &p->xmit_buffs[0]->size);
 	for (i = 0; i < 16; i++) {
 		writew(0, &p->xmit_cmds[0]->cmd_status);
 		wait_for_scb_cmd(dev);
@@ -1331,7 +1337,9 @@ int __init init_module(void)
 
 void __exit cleanup_module(void)
 {
+	struct priv *p = dev_ni52->priv;
 	unregister_netdev(dev_ni52);
+	iounmap(p->mapped);
 	release_region(dev_ni52->base_addr, NI52_TOTAL_SIZE);
 	free_netdev(dev_ni52);
 }