sunbmac: Convert to pure OF driver.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
parent
9e6b6e7d8e
commit
8ef2175c86
2 changed files with 70 additions and 88 deletions
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@ -1,7 +1,6 @@
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/* $Id: sunbmac.c,v 1.30 2002/01/15 06:48:55 davem Exp $
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* sunbmac.c: Driver for Sparc BigMAC 100baseT ethernet adapters.
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/* sunbmac.c: Driver for Sparc BigMAC 100baseT ethernet adapters.
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*
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* Copyright (C) 1997, 1998, 1999, 2003 David S. Miller (davem@redhat.com)
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* Copyright (C) 1997, 1998, 1999, 2003, 2008 David S. Miller (davem@davemloft.net)
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*/
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#include <linux/module.h>
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@ -24,6 +23,8 @@
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#include <linux/skbuff.h>
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#include <linux/bitops.h>
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#include <linux/dma-mapping.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <asm/auxio.h>
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#include <asm/byteorder.h>
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@ -33,15 +34,14 @@
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#include <asm/openprom.h>
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#include <asm/oplib.h>
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#include <asm/pgtable.h>
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#include <asm/sbus.h>
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#include <asm/system.h>
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#include "sunbmac.h"
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#define DRV_NAME "sunbmac"
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#define DRV_VERSION "2.0"
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#define DRV_RELDATE "11/24/03"
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#define DRV_AUTHOR "David S. Miller (davem@redhat.com)"
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#define DRV_VERSION "2.1"
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#define DRV_RELDATE "August 26, 2008"
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#define DRV_AUTHOR "David S. Miller (davem@davemloft.net)"
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static char version[] =
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DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " " DRV_AUTHOR "\n";
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@ -97,8 +97,8 @@ static int qec_global_reset(void __iomem *gregs)
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static void qec_init(struct bigmac *bp)
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{
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struct of_device *qec_op = bp->qec_op;
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void __iomem *gregs = bp->gregs;
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struct sbus_dev *qec_sdev = bp->qec_sdev;
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u8 bsizes = bp->bigmac_bursts;
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u32 regval;
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@ -113,13 +113,13 @@ static void qec_init(struct bigmac *bp)
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sbus_writel(GLOB_PSIZE_2048, gregs + GLOB_PSIZE);
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/* All of memsize is given to bigmac. */
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sbus_writel(qec_sdev->reg_addrs[1].reg_size,
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sbus_writel(resource_size(&qec_op->resource[1]),
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gregs + GLOB_MSIZE);
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/* Half to the transmitter, half to the receiver. */
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sbus_writel(qec_sdev->reg_addrs[1].reg_size >> 1,
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sbus_writel(resource_size(&qec_op->resource[1]) >> 1,
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gregs + GLOB_TSIZE);
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sbus_writel(qec_sdev->reg_addrs[1].reg_size >> 1,
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sbus_writel(resource_size(&qec_op->resource[1]) >> 1,
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gregs + GLOB_RSIZE);
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}
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@ -240,7 +240,7 @@ static void bigmac_init_rings(struct bigmac *bp, int from_irq)
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skb_reserve(skb, 34);
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bb->be_rxd[i].rx_addr =
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dma_map_single(&bp->bigmac_sdev->ofdev.dev,
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dma_map_single(&bp->bigmac_op->dev,
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skb->data,
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RX_BUF_ALLOC_SIZE - 34,
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DMA_FROM_DEVICE);
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@ -778,7 +778,7 @@ static void bigmac_tx(struct bigmac *bp)
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skb = bp->tx_skbs[elem];
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bp->enet_stats.tx_packets++;
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bp->enet_stats.tx_bytes += skb->len;
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dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
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dma_unmap_single(&bp->bigmac_op->dev,
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this->tx_addr, skb->len,
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DMA_TO_DEVICE);
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@ -833,7 +833,7 @@ static void bigmac_rx(struct bigmac *bp)
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drops++;
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goto drop_it;
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}
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dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
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dma_unmap_single(&bp->bigmac_op->dev,
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this->rx_addr,
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RX_BUF_ALLOC_SIZE - 34,
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DMA_FROM_DEVICE);
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@ -842,7 +842,7 @@ static void bigmac_rx(struct bigmac *bp)
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skb_put(new_skb, ETH_FRAME_LEN);
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skb_reserve(new_skb, 34);
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this->rx_addr =
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dma_map_single(&bp->bigmac_sdev->ofdev.dev,
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dma_map_single(&bp->bigmac_op->dev,
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new_skb->data,
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RX_BUF_ALLOC_SIZE - 34,
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DMA_FROM_DEVICE);
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@ -860,11 +860,11 @@ static void bigmac_rx(struct bigmac *bp)
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}
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skb_reserve(copy_skb, 2);
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skb_put(copy_skb, len);
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dma_sync_single_for_cpu(&bp->bigmac_sdev->ofdev.dev,
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dma_sync_single_for_cpu(&bp->bigmac_op->dev,
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this->rx_addr, len,
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DMA_FROM_DEVICE);
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skb_copy_to_linear_data(copy_skb, (unsigned char *)skb->data, len);
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dma_sync_single_for_device(&bp->bigmac_sdev->ofdev.dev,
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dma_sync_single_for_device(&bp->bigmac_op->dev,
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this->rx_addr, len,
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DMA_FROM_DEVICE);
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@ -962,7 +962,7 @@ static int bigmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
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u32 mapping;
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len = skb->len;
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mapping = dma_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
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mapping = dma_map_single(&bp->bigmac_op->dev, skb->data,
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len, DMA_TO_DEVICE);
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/* Avoid a race... */
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@ -1055,12 +1055,8 @@ static void bigmac_set_multicast(struct net_device *dev)
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/* Ethtool support... */
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static void bigmac_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
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{
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struct bigmac *bp = dev->priv;
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strcpy(info->driver, "sunbmac");
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strcpy(info->version, "2.0");
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sprintf(info->bus_info, "SBUS:%d",
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bp->qec_sdev->slot);
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}
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static u32 bigmac_get_link(struct net_device *dev)
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@ -1079,14 +1075,15 @@ static const struct ethtool_ops bigmac_ethtool_ops = {
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.get_link = bigmac_get_link,
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};
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static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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static int __devinit bigmac_ether_init(struct of_device *op,
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struct of_device *qec_op)
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{
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struct net_device *dev;
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static int version_printed;
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struct bigmac *bp;
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struct net_device *dev;
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u8 bsizes, bsizes_more;
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int i;
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DECLARE_MAC_BUF(mac);
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struct bigmac *bp;
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int i;
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/* Get a new device struct for this interface. */
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dev = alloc_etherdev(sizeof(struct bigmac));
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@ -1096,32 +1093,21 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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if (version_printed++ == 0)
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printk(KERN_INFO "%s", version);
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dev->base_addr = (long) qec_sdev;
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for (i = 0; i < 6; i++)
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dev->dev_addr[i] = idprom->id_ethaddr[i];
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/* Setup softc, with backpointers to QEC and BigMAC SBUS device structs. */
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bp = dev->priv;
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bp->qec_sdev = qec_sdev;
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bp->bigmac_sdev = qec_sdev->child;
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bp = netdev_priv(dev);
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bp->qec_op = qec_op;
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bp->bigmac_op = op;
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SET_NETDEV_DEV(dev, &bp->bigmac_sdev->ofdev.dev);
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SET_NETDEV_DEV(dev, &op->dev);
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spin_lock_init(&bp->lock);
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/* Verify the registers we expect, are actually there. */
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if ((bp->bigmac_sdev->num_registers != 3) ||
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(bp->qec_sdev->num_registers != 2)) {
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printk(KERN_ERR "BIGMAC: Device does not have 2 and 3 regs, it has %d and %d.\n",
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bp->qec_sdev->num_registers,
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bp->bigmac_sdev->num_registers);
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printk(KERN_ERR "BIGMAC: Would you like that for here or to go?\n");
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goto fail_and_cleanup;
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}
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/* Map in QEC global control registers. */
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bp->gregs = sbus_ioremap(&bp->qec_sdev->resource[0], 0,
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GLOB_REG_SIZE, "BigMAC QEC GLobal Regs");
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bp->gregs = of_ioremap(&qec_op->resource[0], 0,
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GLOB_REG_SIZE, "BigMAC QEC GLobal Regs");
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if (!bp->gregs) {
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printk(KERN_ERR "BIGMAC: Cannot map QEC global registers.\n");
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goto fail_and_cleanup;
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@ -1138,13 +1124,8 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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goto fail_and_cleanup;
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/* Get supported SBUS burst sizes. */
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bsizes = prom_getintdefault(bp->qec_sdev->prom_node,
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"burst-sizes",
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0xff);
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bsizes_more = prom_getintdefault(bp->qec_sdev->bus->prom_node,
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"burst-sizes",
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0xff);
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bsizes = of_getintprop_default(qec_op->node, "burst-sizes", 0xff);
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bsizes_more = of_getintprop_default(qec_op->node, "burst-sizes", 0xff);
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bsizes &= 0xff;
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if (bsizes_more != 0xff)
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@ -1158,16 +1139,16 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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qec_init(bp);
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/* Map in the BigMAC channel registers. */
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bp->creg = sbus_ioremap(&bp->bigmac_sdev->resource[0], 0,
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CREG_REG_SIZE, "BigMAC QEC Channel Regs");
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bp->creg = of_ioremap(&op->resource[0], 0,
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CREG_REG_SIZE, "BigMAC QEC Channel Regs");
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if (!bp->creg) {
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printk(KERN_ERR "BIGMAC: Cannot map QEC channel registers.\n");
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goto fail_and_cleanup;
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}
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/* Map in the BigMAC control registers. */
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bp->bregs = sbus_ioremap(&bp->bigmac_sdev->resource[1], 0,
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BMAC_REG_SIZE, "BigMAC Primary Regs");
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bp->bregs = of_ioremap(&op->resource[1], 0,
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BMAC_REG_SIZE, "BigMAC Primary Regs");
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if (!bp->bregs) {
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printk(KERN_ERR "BIGMAC: Cannot map BigMAC primary registers.\n");
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goto fail_and_cleanup;
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@ -1176,8 +1157,8 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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/* Map in the BigMAC transceiver registers, this is how you poke at
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* the BigMAC's PHY.
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*/
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bp->tregs = sbus_ioremap(&bp->bigmac_sdev->resource[2], 0,
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TCVR_REG_SIZE, "BigMAC Transceiver Regs");
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bp->tregs = of_ioremap(&op->resource[2], 0,
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TCVR_REG_SIZE, "BigMAC Transceiver Regs");
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if (!bp->tregs) {
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printk(KERN_ERR "BIGMAC: Cannot map BigMAC transceiver registers.\n");
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goto fail_and_cleanup;
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@ -1187,7 +1168,7 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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bigmac_stop(bp);
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/* Allocate transmit/receive descriptor DVMA block. */
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bp->bmac_block = dma_alloc_coherent(&bp->bigmac_sdev->ofdev.dev,
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bp->bmac_block = dma_alloc_coherent(&bp->bigmac_op->dev,
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PAGE_SIZE,
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&bp->bblock_dvma, GFP_ATOMIC);
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if (bp->bmac_block == NULL || bp->bblock_dvma == 0) {
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@ -1196,8 +1177,8 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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}
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/* Get the board revision of this BigMAC. */
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bp->board_rev = prom_getintdefault(bp->bigmac_sdev->prom_node,
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"board-version", 1);
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bp->board_rev = of_getintprop_default(bp->bigmac_op->node,
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"board-version", 1);
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/* Init auto-negotiation timer state. */
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init_timer(&bp->bigmac_timer);
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@ -1221,7 +1202,7 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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dev->watchdog_timeo = 5*HZ;
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/* Finish net device registration. */
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dev->irq = bp->bigmac_sdev->irqs[0];
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dev->irq = bp->bigmac_op->irqs[0];
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dev->dma = 0;
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if (register_netdev(dev)) {
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@ -1229,7 +1210,7 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
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goto fail_and_cleanup;
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}
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dev_set_drvdata(&bp->bigmac_sdev->ofdev.dev, bp);
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dev_set_drvdata(&bp->bigmac_op->dev, bp);
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printk(KERN_INFO "%s: BigMAC 100baseT Ethernet %s\n",
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dev->name, print_mac(mac, dev->dev_addr));
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@ -1240,16 +1221,16 @@ fail_and_cleanup:
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/* Something went wrong, undo whatever we did so far. */
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/* Free register mappings if any. */
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if (bp->gregs)
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sbus_iounmap(bp->gregs, GLOB_REG_SIZE);
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of_iounmap(&qec_op->resource[0], bp->gregs, GLOB_REG_SIZE);
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if (bp->creg)
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sbus_iounmap(bp->creg, CREG_REG_SIZE);
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of_iounmap(&op->resource[0], bp->creg, CREG_REG_SIZE);
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if (bp->bregs)
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sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
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of_iounmap(&op->resource[1], bp->bregs, BMAC_REG_SIZE);
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if (bp->tregs)
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sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
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of_iounmap(&op->resource[2], bp->tregs, TCVR_REG_SIZE);
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if (bp->bmac_block)
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dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
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dma_free_coherent(&bp->bigmac_op->dev,
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PAGE_SIZE,
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bp->bmac_block,
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bp->bblock_dvma);
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@ -1259,47 +1240,48 @@ fail_and_cleanup:
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return -ENODEV;
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}
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/* QEC can be the parent of either QuadEthernet or
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* a BigMAC. We want the latter.
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/* QEC can be the parent of either QuadEthernet or a BigMAC. We want
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* the latter.
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*/
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static int __devinit bigmac_sbus_probe(struct of_device *dev, const struct of_device_id *match)
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static int __devinit bigmac_sbus_probe(struct of_device *op,
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const struct of_device_id *match)
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{
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struct sbus_dev *sdev = to_sbus_device(&dev->dev);
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struct device_node *dp = dev->node;
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struct device *parent = op->dev.parent;
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struct of_device *qec_op;
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if (!strcmp(dp->name, "be"))
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sdev = sdev->parent;
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qec_op = to_of_device(parent);
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return bigmac_ether_init(sdev);
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return bigmac_ether_init(op, qec_op);
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}
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static int __devexit bigmac_sbus_remove(struct of_device *dev)
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static int __devexit bigmac_sbus_remove(struct of_device *op)
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{
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struct bigmac *bp = dev_get_drvdata(&dev->dev);
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struct bigmac *bp = dev_get_drvdata(&op->dev);
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struct device *parent = op->dev.parent;
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struct net_device *net_dev = bp->dev;
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struct of_device *qec_op;
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qec_op = to_of_device(parent);
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unregister_netdevice(net_dev);
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sbus_iounmap(bp->gregs, GLOB_REG_SIZE);
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sbus_iounmap(bp->creg, CREG_REG_SIZE);
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sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
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sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
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dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
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of_iounmap(&qec_op->resource[0], bp->gregs, GLOB_REG_SIZE);
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of_iounmap(&op->resource[0], bp->creg, CREG_REG_SIZE);
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of_iounmap(&op->resource[1], bp->bregs, BMAC_REG_SIZE);
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of_iounmap(&op->resource[2], bp->tregs, TCVR_REG_SIZE);
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dma_free_coherent(&op->dev,
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PAGE_SIZE,
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bp->bmac_block,
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bp->bblock_dvma);
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free_netdev(net_dev);
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dev_set_drvdata(&dev->dev, NULL);
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dev_set_drvdata(&op->dev, NULL);
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return 0;
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}
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static struct of_device_id bigmac_sbus_match[] = {
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{
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.name = "qec",
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},
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{
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.name = "be",
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},
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@ -1317,7 +1299,7 @@ static struct of_platform_driver bigmac_sbus_driver = {
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static int __init bigmac_init(void)
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{
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return of_register_driver(&bigmac_sbus_driver, &sbus_bus_type);
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return of_register_driver(&bigmac_sbus_driver, &of_bus_type);
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}
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static void __exit bigmac_exit(void)
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@ -329,8 +329,8 @@ struct bigmac {
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unsigned int timer_ticks;
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struct net_device_stats enet_stats;
|
||||
struct sbus_dev *qec_sdev;
|
||||
struct sbus_dev *bigmac_sdev;
|
||||
struct of_device *qec_op;
|
||||
struct of_device *bigmac_op;
|
||||
struct net_device *dev;
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue