1 files changed, 95 insertions, 109 deletions

diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index 31e7384..018d0fc 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -1,7 +1,6 @@
-/* $Id: sunbmac.c,v 1.30 2002/01/15 06:48:55 davem Exp $
- * sunbmac.c: Driver for Sparc BigMAC 100baseT ethernet adapters.
+/* sunbmac.c: Driver for Sparc BigMAC 100baseT ethernet adapters.
  *
- * Copyright (C) 1997, 1998, 1999, 2003 David S. Miller (davem@redhat.com)
+ * Copyright (C) 1997, 1998, 1999, 2003, 2008 David S. Miller (davem@davemloft.net)
  */
 
 #include <linux/module.h>
@@ -23,6 +22,9 @@
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/bitops.h>
+#include <linux/dma-mapping.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <asm/auxio.h>
 #include <asm/byteorder.h>
@@ -32,15 +34,14 @@
 #include <asm/openprom.h>
 #include <asm/oplib.h>
 #include <asm/pgtable.h>
-#include <asm/sbus.h>
 #include <asm/system.h>
 
 #include "sunbmac.h"
 
 #define DRV_NAME	"sunbmac"
-#define DRV_VERSION	"2.0"
-#define DRV_RELDATE	"11/24/03"
-#define DRV_AUTHOR	"David S. Miller (davem@redhat.com)"
+#define DRV_VERSION	"2.1"
+#define DRV_RELDATE	"August 26, 2008"
+#define DRV_AUTHOR	"David S. Miller (davem@davemloft.net)"
 
 static char version[] =
 	DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " " DRV_AUTHOR "\n";
@@ -96,8 +97,8 @@ static int qec_global_reset(void __iomem *gregs)
 
 static void qec_init(struct bigmac *bp)
 {
+	struct of_device *qec_op = bp->qec_op;
 	void __iomem *gregs = bp->gregs;
-	struct sbus_dev *qec_sdev = bp->qec_sdev;
 	u8 bsizes = bp->bigmac_bursts;
 	u32 regval;
 
@@ -112,13 +113,13 @@ static void qec_init(struct bigmac *bp)
 	sbus_writel(GLOB_PSIZE_2048, gregs + GLOB_PSIZE);
 
 	/* All of memsize is given to bigmac. */
-	sbus_writel(qec_sdev->reg_addrs[1].reg_size,
+	sbus_writel(resource_size(&qec_op->resource[1]),
 		    gregs + GLOB_MSIZE);
 
 	/* Half to the transmitter, half to the receiver. */
-	sbus_writel(qec_sdev->reg_addrs[1].reg_size >> 1,
+	sbus_writel(resource_size(&qec_op->resource[1]) >> 1,
 		    gregs + GLOB_TSIZE);
-	sbus_writel(qec_sdev->reg_addrs[1].reg_size >> 1,
+	sbus_writel(resource_size(&qec_op->resource[1]) >> 1,
 		    gregs + GLOB_RSIZE);
 }
 
@@ -239,9 +240,10 @@ static void bigmac_init_rings(struct bigmac *bp, int from_irq)
 		skb_reserve(skb, 34);
 
 		bb->be_rxd[i].rx_addr =
-			sbus_map_single(bp->bigmac_sdev, skb->data,
-					RX_BUF_ALLOC_SIZE - 34,
-					SBUS_DMA_FROMDEVICE);
+			dma_map_single(&bp->bigmac_op->dev,
+				       skb->data,
+				       RX_BUF_ALLOC_SIZE - 34,
+				       DMA_FROM_DEVICE);
 		bb->be_rxd[i].rx_flags =
 			(RXD_OWN | ((RX_BUF_ALLOC_SIZE - 34) & RXD_LENGTH));
 	}
@@ -776,9 +778,9 @@ static void bigmac_tx(struct bigmac *bp)
 		skb = bp->tx_skbs[elem];
 		bp->enet_stats.tx_packets++;
 		bp->enet_stats.tx_bytes += skb->len;
-		sbus_unmap_single(bp->bigmac_sdev,
-				  this->tx_addr, skb->len,
-				  SBUS_DMA_TODEVICE);
+		dma_unmap_single(&bp->bigmac_op->dev,
+				 this->tx_addr, skb->len,
+				 DMA_TO_DEVICE);
 
 		DTX(("skb(%p) ", skb));
 		bp->tx_skbs[elem] = NULL;
@@ -831,18 +833,19 @@ static void bigmac_rx(struct bigmac *bp)
 				drops++;
 				goto drop_it;
 			}
-			sbus_unmap_single(bp->bigmac_sdev,
-					  this->rx_addr,
-					  RX_BUF_ALLOC_SIZE - 34,
-					  SBUS_DMA_FROMDEVICE);
+			dma_unmap_single(&bp->bigmac_op->dev,
+					 this->rx_addr,
+					 RX_BUF_ALLOC_SIZE - 34,
+					 DMA_FROM_DEVICE);
 			bp->rx_skbs[elem] = new_skb;
 			new_skb->dev = bp->dev;
 			skb_put(new_skb, ETH_FRAME_LEN);
 			skb_reserve(new_skb, 34);
-			this->rx_addr = sbus_map_single(bp->bigmac_sdev,
-							new_skb->data,
-							RX_BUF_ALLOC_SIZE - 34,
-							SBUS_DMA_FROMDEVICE);
+			this->rx_addr =
+				dma_map_single(&bp->bigmac_op->dev,
+					       new_skb->data,
+					       RX_BUF_ALLOC_SIZE - 34,
+					       DMA_FROM_DEVICE);
 			this->rx_flags =
 				(RXD_OWN | ((RX_BUF_ALLOC_SIZE - 34) & RXD_LENGTH));
 
@@ -857,13 +860,13 @@ static void bigmac_rx(struct bigmac *bp)
 			}
 			skb_reserve(copy_skb, 2);
 			skb_put(copy_skb, len);
-			sbus_dma_sync_single_for_cpu(bp->bigmac_sdev,
-						     this->rx_addr, len,
-						     SBUS_DMA_FROMDEVICE);
+			dma_sync_single_for_cpu(&bp->bigmac_op->dev,
+						this->rx_addr, len,
+						DMA_FROM_DEVICE);
 			skb_copy_to_linear_data(copy_skb, (unsigned char *)skb->data, len);
-			sbus_dma_sync_single_for_device(bp->bigmac_sdev,
-							this->rx_addr, len,
-							SBUS_DMA_FROMDEVICE);
+			dma_sync_single_for_device(&bp->bigmac_op->dev,
+						   this->rx_addr, len,
+						   DMA_FROM_DEVICE);
 
 			/* Reuse original ring buffer. */
 			this->rx_flags =
@@ -959,7 +962,8 @@ static int bigmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	u32 mapping;
 
 	len = skb->len;
-	mapping = sbus_map_single(bp->bigmac_sdev, skb->data, len, SBUS_DMA_TODEVICE);
+	mapping = dma_map_single(&bp->bigmac_op->dev, skb->data,
+				 len, DMA_TO_DEVICE);
 
 	/* Avoid a race... */
 	spin_lock_irq(&bp->lock);
@@ -1051,12 +1055,8 @@ static void bigmac_set_multicast(struct net_device *dev)
 /* Ethtool support... */
 static void bigmac_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 {
-	struct bigmac *bp = dev->priv;
-
 	strcpy(info->driver, "sunbmac");
 	strcpy(info->version, "2.0");
-	sprintf(info->bus_info, "SBUS:%d",
-		bp->qec_sdev->slot);
 }
 
 static u32 bigmac_get_link(struct net_device *dev)
@@ -1075,14 +1075,15 @@ static const struct ethtool_ops bigmac_ethtool_ops = {
 	.get_link		= bigmac_get_link,
 };
 
-static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
+static int __devinit bigmac_ether_init(struct of_device *op,
+				       struct of_device *qec_op)
 {
-	struct net_device *dev;
 	static int version_printed;
-	struct bigmac *bp;
+	struct net_device *dev;
 	u8 bsizes, bsizes_more;
-	int i;
 	DECLARE_MAC_BUF(mac);
+	struct bigmac *bp;
+	int i;
 
 	/* Get a new device struct for this interface. */
 	dev = alloc_etherdev(sizeof(struct bigmac));
@@ -1092,32 +1093,21 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 	if (version_printed++ == 0)
 		printk(KERN_INFO "%s", version);
 
-	dev->base_addr = (long) qec_sdev;
 	for (i = 0; i < 6; i++)
 		dev->dev_addr[i] = idprom->id_ethaddr[i];
 
 	/* Setup softc, with backpointers to QEC and BigMAC SBUS device structs. */
-	bp = dev->priv;
-	bp->qec_sdev = qec_sdev;
-	bp->bigmac_sdev = qec_sdev->child;
+	bp = netdev_priv(dev);
+	bp->qec_op = qec_op;
+	bp->bigmac_op = op;
 
-	SET_NETDEV_DEV(dev, &bp->bigmac_sdev->ofdev.dev);
+	SET_NETDEV_DEV(dev, &op->dev);
 
 	spin_lock_init(&bp->lock);
 
-	/* Verify the registers we expect, are actually there. */
-	if ((bp->bigmac_sdev->num_registers != 3) ||
-	   (bp->qec_sdev->num_registers != 2)) {
-		printk(KERN_ERR "BIGMAC: Device does not have 2 and 3 regs, it has %d and %d.\n",
-		       bp->qec_sdev->num_registers,
-		       bp->bigmac_sdev->num_registers);
-		printk(KERN_ERR "BIGMAC: Would you like that for here or to go?\n");
-		goto fail_and_cleanup;
-	}
-
 	/* Map in QEC global control registers. */
-	bp->gregs = sbus_ioremap(&bp->qec_sdev->resource[0], 0,
-				 GLOB_REG_SIZE, "BigMAC QEC GLobal Regs");
+	bp->gregs = of_ioremap(&qec_op->resource[0], 0,
+			       GLOB_REG_SIZE, "BigMAC QEC GLobal Regs");
 	if (!bp->gregs) {
 		printk(KERN_ERR "BIGMAC: Cannot map QEC global registers.\n");
 		goto fail_and_cleanup;
@@ -1134,13 +1124,8 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 		goto fail_and_cleanup;
 
 	/* Get supported SBUS burst sizes. */
-	bsizes = prom_getintdefault(bp->qec_sdev->prom_node,
-				    "burst-sizes",
-				    0xff);
-
-	bsizes_more = prom_getintdefault(bp->qec_sdev->bus->prom_node,
-					 "burst-sizes",
-					 0xff);
+	bsizes = of_getintprop_default(qec_op->node, "burst-sizes", 0xff);
+	bsizes_more = of_getintprop_default(qec_op->node, "burst-sizes", 0xff);
 
 	bsizes &= 0xff;
 	if (bsizes_more != 0xff)
@@ -1154,16 +1139,16 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 	qec_init(bp);
 
 	/* Map in the BigMAC channel registers. */
-	bp->creg = sbus_ioremap(&bp->bigmac_sdev->resource[0], 0,
-				CREG_REG_SIZE, "BigMAC QEC Channel Regs");
+	bp->creg = of_ioremap(&op->resource[0], 0,
+			      CREG_REG_SIZE, "BigMAC QEC Channel Regs");
 	if (!bp->creg) {
 		printk(KERN_ERR "BIGMAC: Cannot map QEC channel registers.\n");
 		goto fail_and_cleanup;
 	}
 
 	/* Map in the BigMAC control registers. */
-	bp->bregs = sbus_ioremap(&bp->bigmac_sdev->resource[1], 0,
-				 BMAC_REG_SIZE, "BigMAC Primary Regs");
+	bp->bregs = of_ioremap(&op->resource[1], 0,
+			       BMAC_REG_SIZE, "BigMAC Primary Regs");
 	if (!bp->bregs) {
 		printk(KERN_ERR "BIGMAC: Cannot map BigMAC primary registers.\n");
 		goto fail_and_cleanup;
@@ -1172,8 +1157,8 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 	/* Map in the BigMAC transceiver registers, this is how you poke at
 	 * the BigMAC's PHY.
 	 */
-	bp->tregs = sbus_ioremap(&bp->bigmac_sdev->resource[2], 0,
-				 TCVR_REG_SIZE, "BigMAC Transceiver Regs");
+	bp->tregs = of_ioremap(&op->resource[2], 0,
+			       TCVR_REG_SIZE, "BigMAC Transceiver Regs");
 	if (!bp->tregs) {
 		printk(KERN_ERR "BIGMAC: Cannot map BigMAC transceiver registers.\n");
 		goto fail_and_cleanup;
@@ -1183,17 +1168,17 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 	bigmac_stop(bp);
 
 	/* Allocate transmit/receive descriptor DVMA block. */
-	bp->bmac_block = sbus_alloc_consistent(bp->bigmac_sdev,
-					       PAGE_SIZE,
-					       &bp->bblock_dvma);
+	bp->bmac_block = dma_alloc_coherent(&bp->bigmac_op->dev,
+					    PAGE_SIZE,
+					    &bp->bblock_dvma, GFP_ATOMIC);
 	if (bp->bmac_block == NULL || bp->bblock_dvma == 0) {
 		printk(KERN_ERR "BIGMAC: Cannot allocate consistent DMA.\n");
 		goto fail_and_cleanup;
 	}
 
 	/* Get the board revision of this BigMAC. */
-	bp->board_rev = prom_getintdefault(bp->bigmac_sdev->prom_node,
-					   "board-version", 1);
+	bp->board_rev = of_getintprop_default(bp->bigmac_op->node,
+					      "board-version", 1);
 
 	/* Init auto-negotiation timer state. */
 	init_timer(&bp->bigmac_timer);
@@ -1217,7 +1202,7 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 	dev->watchdog_timeo = 5*HZ;
 
 	/* Finish net device registration. */
-	dev->irq = bp->bigmac_sdev->irqs[0];
+	dev->irq = bp->bigmac_op->irqs[0];
 	dev->dma = 0;
 
 	if (register_netdev(dev)) {
@@ -1225,7 +1210,7 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 		goto fail_and_cleanup;
 	}
 
-	dev_set_drvdata(&bp->bigmac_sdev->ofdev.dev, bp);
+	dev_set_drvdata(&bp->bigmac_op->dev, bp);
 
 	printk(KERN_INFO "%s: BigMAC 100baseT Ethernet %s\n",
 	       dev->name, print_mac(mac, dev->dev_addr));
@@ -1236,66 +1221,67 @@ fail_and_cleanup:
 	/* Something went wrong, undo whatever we did so far. */
 	/* Free register mappings if any. */
 	if (bp->gregs)
-		sbus_iounmap(bp->gregs, GLOB_REG_SIZE);
+		of_iounmap(&qec_op->resource[0], bp->gregs, GLOB_REG_SIZE);
 	if (bp->creg)
-		sbus_iounmap(bp->creg, CREG_REG_SIZE);
+		of_iounmap(&op->resource[0], bp->creg, CREG_REG_SIZE);
 	if (bp->bregs)
-		sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
+		of_iounmap(&op->resource[1], bp->bregs, BMAC_REG_SIZE);
 	if (bp->tregs)
-		sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
+		of_iounmap(&op->resource[2], bp->tregs, TCVR_REG_SIZE);
 
 	if (bp->bmac_block)
-		sbus_free_consistent(bp->bigmac_sdev,
-				     PAGE_SIZE,
-				     bp->bmac_block,
-				     bp->bblock_dvma);
+		dma_free_coherent(&bp->bigmac_op->dev,
+				  PAGE_SIZE,
+				  bp->bmac_block,
+				  bp->bblock_dvma);
 
 	/* This also frees the co-located 'dev->priv' */
 	free_netdev(dev);
 	return -ENODEV;
 }
 
-/* QEC can be the parent of either QuadEthernet or
- * a BigMAC.  We want the latter.
+/* QEC can be the parent of either QuadEthernet or a BigMAC.  We want
+ * the latter.
  */
-static int __devinit bigmac_sbus_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit bigmac_sbus_probe(struct of_device *op,
+				       const struct of_device_id *match)
 {
-	struct sbus_dev *sdev = to_sbus_device(&dev->dev);
-	struct device_node *dp = dev->node;
+	struct device *parent = op->dev.parent;
+	struct of_device *qec_op;
 
-	if (!strcmp(dp->name, "be"))
-		sdev = sdev->parent;
+	qec_op = to_of_device(parent);
 
-	return bigmac_ether_init(sdev);
+	return bigmac_ether_init(op, qec_op);
 }
 
-static int __devexit bigmac_sbus_remove(struct of_device *dev)
+static int __devexit bigmac_sbus_remove(struct of_device *op)
 {
-	struct bigmac *bp = dev_get_drvdata(&dev->dev);
+	struct bigmac *bp = dev_get_drvdata(&op->dev);
+	struct device *parent = op->dev.parent;
 	struct net_device *net_dev = bp->dev;
+	struct of_device *qec_op;
+
+	qec_op = to_of_device(parent);
 
 	unregister_netdev(net_dev);
 
-	sbus_iounmap(bp->gregs, GLOB_REG_SIZE);
-	sbus_iounmap(bp->creg, CREG_REG_SIZE);
-	sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
-	sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
-	sbus_free_consistent(bp->bigmac_sdev,
-			     PAGE_SIZE,
-			     bp->bmac_block,
-			     bp->bblock_dvma);
+	of_iounmap(&qec_op->resource[0], bp->gregs, GLOB_REG_SIZE);
+	of_iounmap(&op->resource[0], bp->creg, CREG_REG_SIZE);
+	of_iounmap(&op->resource[1], bp->bregs, BMAC_REG_SIZE);
+	of_iounmap(&op->resource[2], bp->tregs, TCVR_REG_SIZE);
+	dma_free_coherent(&op->dev,
+			  PAGE_SIZE,
+			  bp->bmac_block,
+			  bp->bblock_dvma);
 
 	free_netdev(net_dev);
 
-	dev_set_drvdata(&dev->dev, NULL);
+	dev_set_drvdata(&op->dev, NULL);
 
 	return 0;
 }
 
-static struct of_device_id bigmac_sbus_match[] = {
-	{
-		.name = "qec",
-	},
+static const struct of_device_id bigmac_sbus_match[] = {
 	{
 		.name = "be",
 	},
@@ -1313,7 +1299,7 @@ static struct of_platform_driver bigmac_sbus_driver = {
 
 static int __init bigmac_init(void)
 {
-	return of_register_driver(&bigmac_sbus_driver, &sbus_bus_type);
+	return of_register_driver(&bigmac_sbus_driver, &of_bus_type);
 }
 
 static void __exit bigmac_exit(void)