/* myri_sbus.c: MyriCOM MyriNET SBUS card driver.
*
- * Copyright (C) 1996, 1999, 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1996, 1999, 2006, 2008 David S. Miller (davem@davemloft.net)
*/
static char version[] =
#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 <net/dst.h>
#include <net/arp.h>
#include <asm/dma.h>
#include <asm/byteorder.h>
#include <asm/idprom.h>
-#include <asm/sbus.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
#include <asm/auxio.h>
myri_disable_irq(mp->lregs, cregs);
- while (tick++ <= 25) {
+ while (tick++ < 25) {
u32 softstate;
/* Wake it up. */
u32 dma_addr;
dma_addr = sbus_readl(&rxd->myri_scatters[0].addr);
- sbus_unmap_single(mp->myri_sdev, dma_addr, RX_ALLOC_SIZE, SBUS_DMA_FROMDEVICE);
+ dma_unmap_single(&mp->myri_op->dev, dma_addr,
+ RX_ALLOC_SIZE, DMA_FROM_DEVICE);
dev_kfree_skb(mp->rx_skbs[i]);
mp->rx_skbs[i] = NULL;
}
u32 dma_addr;
dma_addr = sbus_readl(&txd->myri_gathers[0].addr);
- sbus_unmap_single(mp->myri_sdev, dma_addr, (skb->len + 3) & ~3, SBUS_DMA_TODEVICE);
+ dma_unmap_single(&mp->myri_op->dev, dma_addr,
+ (skb->len + 3) & ~3,
+ DMA_TO_DEVICE);
dev_kfree_skb(mp->tx_skbs[i]);
mp->tx_skbs[i] = NULL;
}
skb->dev = dev;
skb_put(skb, RX_ALLOC_SIZE);
- dma_addr = sbus_map_single(mp->myri_sdev, skb->data, RX_ALLOC_SIZE, SBUS_DMA_FROMDEVICE);
+ dma_addr = dma_map_single(&mp->myri_op->dev,
+ skb->data, RX_ALLOC_SIZE,
+ DMA_FROM_DEVICE);
sbus_writel(dma_addr, &rxd[i].myri_scatters[0].addr);
sbus_writel(RX_ALLOC_SIZE, &rxd[i].myri_scatters[0].len);
sbus_writel(i, &rxd[i].ctx);
#ifdef DEBUG_HEADER
static void dump_ehdr(struct ethhdr *ehdr)
{
- printk("ehdr[h_dst(%02x:%02x:%02x:%02x:%02x:%02x)"
- "h_source(%02x:%02x:%02x:%02x:%02x:%02x)h_proto(%04x)]\n",
- ehdr->h_dest[0], ehdr->h_dest[1], ehdr->h_dest[2],
- ehdr->h_dest[3], ehdr->h_dest[4], ehdr->h_dest[4],
- ehdr->h_source[0], ehdr->h_source[1], ehdr->h_source[2],
- ehdr->h_source[3], ehdr->h_source[4], ehdr->h_source[4],
- ehdr->h_proto);
+ printk("ehdr[h_dst(%pM)"
+ "h_source(%pM)"
+ "h_proto(%04x)]\n",
+ ehdr->h_dest, ehdr->h_source, ehdr->h_proto);
}
static void dump_ehdr_and_myripad(unsigned char *stuff)
struct ethhdr *ehdr = (struct ethhdr *) (stuff + 2);
printk("pad[%02x:%02x]", stuff[0], stuff[1]);
- printk("ehdr[h_dst(%02x:%02x:%02x:%02x:%02x:%02x)"
- "h_source(%02x:%02x:%02x:%02x:%02x:%02x)h_proto(%04x)]\n",
- ehdr->h_dest[0], ehdr->h_dest[1], ehdr->h_dest[2],
- ehdr->h_dest[3], ehdr->h_dest[4], ehdr->h_dest[4],
- ehdr->h_source[0], ehdr->h_source[1], ehdr->h_source[2],
- ehdr->h_source[3], ehdr->h_source[4], ehdr->h_source[4],
- ehdr->h_proto);
+ dump_ehdr(ehdr);
}
#endif
DTX(("SKB[%d] ", entry));
dma_addr = sbus_readl(&sq->myri_txd[entry].myri_gathers[0].addr);
- sbus_unmap_single(mp->myri_sdev, dma_addr, skb->len, SBUS_DMA_TODEVICE);
+ dma_unmap_single(&mp->myri_op->dev, dma_addr,
+ skb->len, DMA_TO_DEVICE);
dev_kfree_skb(skb);
mp->tx_skbs[entry] = NULL;
- mp->enet_stats.tx_packets++;
+ dev->stats.tx_packets++;
entry = NEXT_TX(entry);
}
mp->tx_old = entry;
struct ethhdr *eth;
unsigned char *rawp;
- skb->mac.raw = (((unsigned char *)skb->data) + MYRI_PAD_LEN);
+ skb_set_mac_header(skb, MYRI_PAD_LEN);
skb_pull(skb, dev->hard_header_len);
eth = eth_hdr(skb);
/* Check for errors. */
DRX(("rxd[%d]: %p len[%d] csum[%08x] ", entry, rxd, len, csum));
- sbus_dma_sync_single_for_cpu(mp->myri_sdev,
- sbus_readl(&rxd->myri_scatters[0].addr),
- RX_ALLOC_SIZE, SBUS_DMA_FROMDEVICE);
+ dma_sync_single_for_cpu(&mp->myri_op->dev,
+ sbus_readl(&rxd->myri_scatters[0].addr),
+ RX_ALLOC_SIZE, DMA_FROM_DEVICE);
if (len < (ETH_HLEN + MYRI_PAD_LEN) || (skb->data[0] != MYRI_PAD_LEN)) {
DRX(("ERROR["));
- mp->enet_stats.rx_errors++;
+ dev->stats.rx_errors++;
if (len < (ETH_HLEN + MYRI_PAD_LEN)) {
DRX(("BAD_LENGTH] "));
- mp->enet_stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
} else {
DRX(("NO_PADDING] "));
- mp->enet_stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
}
/* Return it to the LANAI. */
drop_it:
drops++;
DRX(("DROP "));
- mp->enet_stats.rx_dropped++;
- sbus_dma_sync_single_for_device(mp->myri_sdev,
- sbus_readl(&rxd->myri_scatters[0].addr),
- RX_ALLOC_SIZE,
- SBUS_DMA_FROMDEVICE);
+ dev->stats.rx_dropped++;
+ dma_sync_single_for_device(&mp->myri_op->dev,
+ sbus_readl(&rxd->myri_scatters[0].addr),
+ RX_ALLOC_SIZE,
+ DMA_FROM_DEVICE);
sbus_writel(RX_ALLOC_SIZE, &rxd->myri_scatters[0].len);
sbus_writel(index, &rxd->ctx);
sbus_writel(1, &rxd->num_sg);
DRX(("skb_alloc(FAILED) "));
goto drop_it;
}
- sbus_unmap_single(mp->myri_sdev,
- sbus_readl(&rxd->myri_scatters[0].addr),
- RX_ALLOC_SIZE,
- SBUS_DMA_FROMDEVICE);
+ dma_unmap_single(&mp->myri_op->dev,
+ sbus_readl(&rxd->myri_scatters[0].addr),
+ RX_ALLOC_SIZE,
+ DMA_FROM_DEVICE);
mp->rx_skbs[index] = new_skb;
new_skb->dev = dev;
skb_put(new_skb, RX_ALLOC_SIZE);
- dma_addr = sbus_map_single(mp->myri_sdev,
- new_skb->data,
- RX_ALLOC_SIZE,
- SBUS_DMA_FROMDEVICE);
+ dma_addr = dma_map_single(&mp->myri_op->dev,
+ new_skb->data,
+ RX_ALLOC_SIZE,
+ DMA_FROM_DEVICE);
sbus_writel(dma_addr, &rxd->myri_scatters[0].addr);
sbus_writel(RX_ALLOC_SIZE, &rxd->myri_scatters[0].len);
sbus_writel(index, &rxd->ctx);
copy_skb->dev = dev;
DRX(("resv_and_put "));
skb_put(copy_skb, len);
- memcpy(copy_skb->data, skb->data, len);
+ skb_copy_from_linear_data(skb, copy_skb->data, len);
/* Reuse original ring buffer. */
DRX(("reuse "));
- sbus_dma_sync_single_for_device(mp->myri_sdev,
- sbus_readl(&rxd->myri_scatters[0].addr),
- RX_ALLOC_SIZE,
- SBUS_DMA_FROMDEVICE);
+ dma_sync_single_for_device(&mp->myri_op->dev,
+ sbus_readl(&rxd->myri_scatters[0].addr),
+ RX_ALLOC_SIZE,
+ DMA_FROM_DEVICE);
sbus_writel(RX_ALLOC_SIZE, &rxd->myri_scatters[0].len);
sbus_writel(index, &rxd->ctx);
sbus_writel(1, &rxd->num_sg);
netif_rx(skb);
dev->last_rx = jiffies;
- mp->enet_stats.rx_packets++;
- mp->enet_stats.rx_bytes += len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += len;
next:
DRX(("NEXT\n"));
entry = NEXT_RX(entry);
printk(KERN_ERR "%s: transmit timed out, resetting\n", dev->name);
- mp->enet_stats.tx_errors++;
+ dev->stats.tx_errors++;
myri_init(mp, 0);
netif_wake_queue(dev);
}
sbus_writew((skb->data[4] << 8) | skb->data[5], &txd->addr[3]);
}
- dma_addr = sbus_map_single(mp->myri_sdev, skb->data, len, SBUS_DMA_TODEVICE);
+ dma_addr = dma_map_single(&mp->myri_op->dev, skb->data,
+ len, DMA_TO_DEVICE);
sbus_writel(dma_addr, &txd->myri_gathers[0].addr);
sbus_writel(len, &txd->myri_gathers[0].len);
sbus_writel(1, &txd->num_sg);
* saddr=NULL means use device source address
* daddr=NULL means leave destination address (eg unresolved arp)
*/
-static int myri_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
+static int myri_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len)
{
struct ethhdr *eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
unsigned char *pad = (unsigned char *) skb_push(skb, MYRI_PAD_LEN);
return 0;
}
-int myri_header_cache(struct neighbour *neigh, struct hh_cache *hh)
+static int myri_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
{
unsigned short type = hh->hh_type;
unsigned char *pad;
struct ethhdr *eth;
- struct net_device *dev = neigh->dev;
+ const struct net_device *dev = neigh->dev;
pad = ((unsigned char *) hh->hh_data) +
HH_DATA_OFF(sizeof(*eth) + MYRI_PAD_LEN);
eth = (struct ethhdr *) (pad + MYRI_PAD_LEN);
- if (type == __constant_htons(ETH_P_802_3))
+ if (type == htons(ETH_P_802_3))
return -1;
/* Refill MyriNet padding identifiers, this is just being anal. */
/* Called by Address Resolution module to notify changes in address. */
-void myri_header_cache_update(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr)
+void myri_header_cache_update(struct hh_cache *hh,
+ const struct net_device *dev,
+ const unsigned char * haddr)
{
memcpy(((u8*)hh->hh_data) + HH_DATA_OFF(sizeof(struct ethhdr)),
haddr, dev->addr_len);
return 0;
}
-static struct net_device_stats *myri_get_stats(struct net_device *dev)
-{ return &(((struct myri_eth *)dev->priv)->enet_stats); }
-
static void myri_set_multicast(struct net_device *dev)
{
/* Do nothing, all MyriCOM nodes transmit multicast frames
}
#endif
-static int __devinit myri_ether_init(struct sbus_dev *sdev)
+static const struct header_ops myri_header_ops = {
+ .create = myri_header,
+ .rebuild = myri_rebuild_header,
+ .cache = myri_header_cache,
+ .cache_update = myri_header_cache_update,
+};
+
+static int __devinit myri_sbus_probe(struct of_device *op, const struct of_device_id *match)
{
- static int num;
+ struct device_node *dp = op->node;
static unsigned version_printed;
struct net_device *dev;
struct myri_eth *mp;
- unsigned char prop_buf[32];
- int i;
+ const void *prop;
+ static int num;
+ int i, len;
- DET(("myri_ether_init(%p,%d):\n", sdev, num));
+ DET(("myri_ether_init(%p,%d):\n", op, num));
dev = alloc_etherdev(sizeof(struct myri_eth));
-
if (!dev)
return -ENOMEM;
if (version_printed++ == 0)
printk(version);
- SET_MODULE_OWNER(dev);
- SET_NETDEV_DEV(dev, &sdev->ofdev.dev);
+ SET_NETDEV_DEV(dev, &op->dev);
- mp = (struct myri_eth *) dev->priv;
+ mp = netdev_priv(dev);
spin_lock_init(&mp->irq_lock);
- mp->myri_sdev = sdev;
+ mp->myri_op = op;
/* Clean out skb arrays. */
for (i = 0; i < (RX_RING_SIZE + 1); i++)
mp->tx_skbs[i] = NULL;
/* First check for EEPROM information. */
- i = prom_getproperty(sdev->prom_node, "myrinet-eeprom-info",
- (char *)&mp->eeprom, sizeof(struct myri_eeprom));
- DET(("prom_getprop(myrinet-eeprom-info) returns %d\n", i));
- if (i == 0 || i == -1) {
+ prop = of_get_property(dp, "myrinet-eeprom-info", &len);
+
+ if (prop)
+ memcpy(&mp->eeprom, prop, sizeof(struct myri_eeprom));
+ if (!prop) {
/* No eeprom property, must cook up the values ourselves. */
DET(("No EEPROM: "));
mp->eeprom.bus_type = BUS_TYPE_SBUS;
- mp->eeprom.cpuvers = prom_getintdefault(sdev->prom_node,"cpu_version",0);
- mp->eeprom.cval = prom_getintdefault(sdev->prom_node,"clock_value",0);
- mp->eeprom.ramsz = prom_getintdefault(sdev->prom_node,"sram_size",0);
- DET(("cpuvers[%d] cval[%d] ramsz[%d]\n", mp->eeprom.cpuvers,
- mp->eeprom.cval, mp->eeprom.ramsz));
- if (mp->eeprom.cpuvers == 0) {
- DET(("EEPROM: cpuvers was zero, setting to %04x\n",CPUVERS_2_3));
+ mp->eeprom.cpuvers =
+ of_getintprop_default(dp, "cpu_version", 0);
+ mp->eeprom.cval =
+ of_getintprop_default(dp, "clock_value", 0);
+ mp->eeprom.ramsz = of_getintprop_default(dp, "sram_size", 0);
+ if (!mp->eeprom.cpuvers)
mp->eeprom.cpuvers = CPUVERS_2_3;
- }
- if (mp->eeprom.cpuvers < CPUVERS_3_0) {
- DET(("EEPROM: cpuvers < CPUVERS_3_0, clockval set to zero.\n"));
+ if (mp->eeprom.cpuvers < CPUVERS_3_0)
mp->eeprom.cval = 0;
- }
- if (mp->eeprom.ramsz == 0) {
- DET(("EEPROM: ramsz == 0, setting to 128k\n"));
+ if (!mp->eeprom.ramsz)
mp->eeprom.ramsz = (128 * 1024);
- }
- i = prom_getproperty(sdev->prom_node, "myrinet-board-id",
- &prop_buf[0], 10);
- DET(("EEPROM: prom_getprop(myrinet-board-id) returns %d\n", i));
- if ((i != 0) && (i != -1))
- memcpy(&mp->eeprom.id[0], &prop_buf[0], 6);
+
+ prop = of_get_property(dp, "myrinet-board-id", &len);
+ if (prop)
+ memcpy(&mp->eeprom.id[0], prop, 6);
else
set_boardid_from_idprom(mp, num);
- i = prom_getproperty(sdev->prom_node, "fpga_version",
- &mp->eeprom.fvers[0], 32);
- DET(("EEPROM: prom_getprop(fpga_version) returns %d\n", i));
- if (i == 0 || i == -1)
+
+ prop = of_get_property(dp, "fpga_version", &len);
+ if (prop)
+ memcpy(&mp->eeprom.fvers[0], prop, 32);
+ else
memset(&mp->eeprom.fvers[0], 0, 32);
if (mp->eeprom.cpuvers == CPUVERS_4_1) {
- DET(("EEPROM: cpuvers CPUVERS_4_1, "));
- if (mp->eeprom.ramsz == (128 * 1024)) {
- DET(("ramsize 128k, setting to 256k, "));
+ if (mp->eeprom.ramsz == (128 * 1024))
mp->eeprom.ramsz = (256 * 1024);
- }
- if ((mp->eeprom.cval==0x40414041)||(mp->eeprom.cval==0x90449044)){
- DET(("changing cval from %08x to %08x ",
- mp->eeprom.cval, 0x50e450e4));
+ if ((mp->eeprom.cval == 0x40414041) ||
+ (mp->eeprom.cval == 0x90449044))
mp->eeprom.cval = 0x50e450e4;
- }
- DET(("\n"));
}
}
#ifdef DEBUG_DETECT
* XXX only a valid version for PCI cards? Ask feldy...
*/
DET(("Mapping regs for cpuvers < CPUVERS_4_0\n"));
- mp->regs = sbus_ioremap(&sdev->resource[0], 0,
- mp->reg_size, "MyriCOM Regs");
+ mp->regs = of_ioremap(&op->resource[0], 0,
+ mp->reg_size, "MyriCOM Regs");
if (!mp->regs) {
printk("MyriCOM: Cannot map MyriCOM registers.\n");
goto err;
mp->lregs = mp->lanai + (0x10000 * 2);
} else {
DET(("Mapping regs for cpuvers >= CPUVERS_4_0\n"));
- mp->cregs = sbus_ioremap(&sdev->resource[0], 0,
- PAGE_SIZE, "MyriCOM Control Regs");
- mp->lregs = sbus_ioremap(&sdev->resource[0], (256 * 1024),
+ mp->cregs = of_ioremap(&op->resource[0], 0,
+ PAGE_SIZE, "MyriCOM Control Regs");
+ mp->lregs = of_ioremap(&op->resource[0], (256 * 1024),
PAGE_SIZE, "MyriCOM LANAI Regs");
- mp->lanai =
- sbus_ioremap(&sdev->resource[0], (512 * 1024),
- mp->eeprom.ramsz, "MyriCOM SRAM");
+ mp->lanai = of_ioremap(&op->resource[0], (512 * 1024),
+ mp->eeprom.ramsz, "MyriCOM SRAM");
}
DET(("Registers mapped: cregs[%p] lregs[%p] lanai[%p]\n",
mp->cregs, mp->lregs, mp->lanai));
myri_reset_on(mp->cregs);
/* Get the supported DVMA burst sizes from our SBUS. */
- mp->myri_bursts = prom_getintdefault(mp->myri_sdev->bus->prom_node,
- "burst-sizes", 0x00);
-
- if (!sbus_can_burst64(sdev))
+ mp->myri_bursts = of_getintprop_default(dp->parent,
+ "burst-sizes", 0x00);
+ if (!sbus_can_burst64())
mp->myri_bursts &= ~(DMA_BURST64);
DET(("MYRI bursts %02x\n", mp->myri_bursts));
/* Encode SBUS interrupt level in second control register. */
- i = prom_getint(sdev->prom_node, "interrupts");
+ i = of_getintprop_default(dp, "interrupts", 0);
if (i == 0)
i = 4;
DET(("prom_getint(interrupts)==%d, irqlvl set to %04x\n",
dev->hard_start_xmit = &myri_start_xmit;
dev->tx_timeout = &myri_tx_timeout;
dev->watchdog_timeo = 5*HZ;
- dev->get_stats = &myri_get_stats;
dev->set_multicast_list = &myri_set_multicast;
- dev->irq = sdev->irqs[0];
+ dev->irq = op->irqs[0];
/* Register interrupt handler now. */
DET(("Requesting MYRIcom IRQ line.\n"));
dev->mtu = MYRINET_MTU;
dev->change_mtu = myri_change_mtu;
- dev->hard_header = myri_header;
- dev->rebuild_header = myri_rebuild_header;
+ dev->header_ops = &myri_header_ops;
+
dev->hard_header_len = (ETH_HLEN + MYRI_PAD_LEN);
- dev->hard_header_cache = myri_header_cache;
- dev->header_cache_update= myri_header_cache_update;
/* Load code onto the LANai. */
DET(("Loading LANAI firmware\n"));
goto err_free_irq;
}
- dev_set_drvdata(&sdev->ofdev.dev, mp);
+ dev_set_drvdata(&op->dev, mp);
num++;
- printk("%s: MyriCOM MyriNET Ethernet ", dev->name);
-
- for (i = 0; i < 6; i++)
- printk("%2.2x%c", dev->dev_addr[i],
- i == 5 ? ' ' : ':');
- printk("\n");
+ printk("%s: MyriCOM MyriNET Ethernet %pM\n",
+ dev->name, dev->dev_addr);
return 0;
return -ENODEV;
}
-
-static int __devinit myri_sbus_probe(struct of_device *dev, const struct of_device_id *match)
-{
- struct sbus_dev *sdev = to_sbus_device(&dev->dev);
-
- return myri_ether_init(sdev);
-}
-
-static int __devexit myri_sbus_remove(struct of_device *dev)
+static int __devexit myri_sbus_remove(struct of_device *op)
{
- struct myri_eth *mp = dev_get_drvdata(&dev->dev);
+ struct myri_eth *mp = dev_get_drvdata(&op->dev);
struct net_device *net_dev = mp->dev;
- unregister_netdevice(net_dev);
+ unregister_netdev(net_dev);
free_irq(net_dev->irq, net_dev);
if (mp->eeprom.cpuvers < CPUVERS_4_0) {
- sbus_iounmap(mp->regs, mp->reg_size);
+ of_iounmap(&op->resource[0], mp->regs, mp->reg_size);
} else {
- sbus_iounmap(mp->cregs, PAGE_SIZE);
- sbus_iounmap(mp->lregs, (256 * 1024));
- sbus_iounmap(mp->lanai, (512 * 1024));
+ of_iounmap(&op->resource[0], mp->cregs, PAGE_SIZE);
+ of_iounmap(&op->resource[0], mp->lregs, (256 * 1024));
+ of_iounmap(&op->resource[0], mp->lanai, (512 * 1024));
}
free_netdev(net_dev);
- dev_set_drvdata(&dev->dev, NULL);
+ dev_set_drvdata(&op->dev, NULL);
return 0;
}
-static struct of_device_id myri_sbus_match[] = {
+static const struct of_device_id myri_sbus_match[] = {
{
.name = "MYRICOM,mlanai",
},
static int __init myri_sbus_init(void)
{
- return of_register_driver(&myri_sbus_driver, &sbus_bus_type);
+ return of_register_driver(&myri_sbus_driver, &of_bus_type);
}
static void __exit myri_sbus_exit(void)
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff