sunbmac: Convert to pure OF driver.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 68 insertions, 86 deletions

diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index 8fe4c49b0623..7009a5e36c97 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>
@@ -24,6 +23,8 @@
 #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>
@@ -33,15 +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";
@@ -97,8 +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;
 
@@ -113,13 +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);
 }
 
@@ -240,7 +240,7 @@ static void bigmac_init_rings(struct bigmac *bp, int from_irq)
                 skb_reserve(skb, 34);
 
                 bb->be_rxd[i].rx_addr =
-                        dma_map_single(&bp->bigmac_sdev->ofdev.dev,
+                        dma_map_single(&bp->bigmac_op->dev,
                                        skb->data,
                                        RX_BUF_ALLOC_SIZE - 34,
                                        DMA_FROM_DEVICE);
@@ -778,7 +778,7 @@ static void bigmac_tx(struct bigmac *bp)
                 skb = bp->tx_skbs[elem];
                 bp->enet_stats.tx_packets++;
                 bp->enet_stats.tx_bytes += skb->len;
-                dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
+                dma_unmap_single(&bp->bigmac_op->dev,
                                  this->tx_addr, skb->len,
                                  DMA_TO_DEVICE);
 
@@ -833,7 +833,7 @@ static void bigmac_rx(struct bigmac *bp)
                                 drops++;
                                 goto drop_it;
                         }
-                        dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
+                        dma_unmap_single(&bp->bigmac_op->dev,
                                          this->rx_addr,
                                          RX_BUF_ALLOC_SIZE - 34,
                                          DMA_FROM_DEVICE);
@@ -842,7 +842,7 @@ static void bigmac_rx(struct bigmac *bp)
                         skb_put(new_skb, ETH_FRAME_LEN);
                         skb_reserve(new_skb, 34);
                         this->rx_addr =
-                                dma_map_single(&bp->bigmac_sdev->ofdev.dev,
+                                dma_map_single(&bp->bigmac_op->dev,
                                                new_skb->data,
                                                RX_BUF_ALLOC_SIZE - 34,
                                                DMA_FROM_DEVICE);
@@ -860,11 +860,11 @@ static void bigmac_rx(struct bigmac *bp)
                         }
                         skb_reserve(copy_skb, 2);
                         skb_put(copy_skb, len);
-                        dma_sync_single_for_cpu(&bp->bigmac_sdev->ofdev.dev,
+                        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);
-                        dma_sync_single_for_device(&bp->bigmac_sdev->ofdev.dev,
+                        dma_sync_single_for_device(&bp->bigmac_op->dev,
                                                    this->rx_addr, len,
                                                    DMA_FROM_DEVICE);
 
@@ -962,7 +962,7 @@ static int bigmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
         u32 mapping;
 
         len = skb->len;
-        mapping = dma_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
+        mapping = dma_map_single(&bp->bigmac_op->dev, skb->data,
                                  len, DMA_TO_DEVICE);
 
         /* Avoid a race... */
@@ -1055,12 +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)
@@ -1079,14 +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));
@@ -1096,32 +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;
@@ -1138,13 +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)
@@ -1158,16 +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;
@@ -1176,8 +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;
@@ -1187,7 +1168,7 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
         bigmac_stop(bp);
 
         /* Allocate transmit/receive descriptor DVMA block. */
-        bp->bmac_block = dma_alloc_coherent(&bp->bigmac_sdev->ofdev.dev,
+        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) {
@@ -1196,8 +1177,8 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
         }
 
         /* 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);
@@ -1221,7 +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)) {
@@ -1229,7 +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));
@@ -1240,16 +1221,16 @@ 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)
-                dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
+                dma_free_coherent(&bp->bigmac_op->dev,
                                   PAGE_SIZE,
                                   bp->bmac_block,
                                   bp->bblock_dvma);
@@ -1259,48 +1240,49 @@ fail_and_cleanup:
         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_netdevice(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);
-        dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
+        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",
-        },
-        {
                 .name = "be",
         },
         {},
@@ -1317,7 +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)