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path: root/drivers/net/sunbmac.c
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Diffstat (limited to 'drivers/net/sunbmac.c')
-rw-r--r--drivers/net/sunbmac.c206
1 files changed, 96 insertions, 110 deletions
diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index 0e4a88d1632..018d0fca942 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;
- unregister_netdevice(net_dev);
+ qec_op = to_of_device(parent);
- 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);
+ unregister_netdev(net_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",
- },
+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)
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-26 01:42:49 +0000