#include <linux/skbuff.h>
#include <linux/slab.h>
#include <linux/init.h>
+#include <linux/bitops.h>
-#include <asm/bitops.h>
#include <asm/dma.h>
#include <asm/io.h>
#include <asm/system.h>
ushort tx_reap;
ushort tx_pkts_in_ring;
spinlock_t lock;
+ void __iomem *base;
};
/*
return dev;
out1:
free_irq(dev->irq, dev);
+ iounmap(((struct net_local *)netdev_priv(dev))->base);
release_region(dev->base_addr, EL16_IO_EXTENT);
out:
free_netdev(dev);
irqval = request_irq(irq, &el16_interrupt, 0, DRV_NAME, dev);
if (irqval) {
- printk ("unable to get IRQ %d (irqval=%d).\n", irq, irqval);
+ printk(KERN_ERR "3c507: unable to get IRQ %d (irqval=%d).\n", irq, irqval);
retval = -EAGAIN;
goto out;
}
lp = netdev_priv(dev);
memset(lp, 0, sizeof(*lp));
spin_lock_init(&lp->lock);
+ lp->base = ioremap(dev->mem_start, RX_BUF_END);
+ if (!lp->base) {
+ printk(KERN_ERR "3c507: unable to remap memory\n");
+ retval = -EAGAIN;
+ goto out1;
+ }
dev->open = el16_open;
dev->stop = el16_close;
dev->ethtool_ops = &netdev_ethtool_ops;
dev->flags &= ~IFF_MULTICAST; /* Multicast doesn't work */
return 0;
+out1:
+ free_irq(dev->irq, dev);
out:
release_region(ioaddr, EL16_IO_EXTENT);
return retval;
{
struct net_local *lp = netdev_priv(dev);
int ioaddr = dev->base_addr;
- unsigned long shmem = dev->mem_start;
+ void __iomem *shmem = lp->base;
if (net_debug > 1)
printk ("%s: transmit timed out, %s? ", dev->name,
- isa_readw (shmem + iSCB_STATUS) & 0x8000 ? "IRQ conflict" :
+ readw(shmem + iSCB_STATUS) & 0x8000 ? "IRQ conflict" :
"network cable problem");
/* Try to restart the adaptor. */
if (lp->last_restart == lp->stats.tx_packets) {
/* Issue the channel attention signal and hope it "gets better". */
if (net_debug > 1)
printk ("Kicking board.\n");
- isa_writew (0xf000 | CUC_START | RX_START, shmem + iSCB_CMD);
+ writew(0xf000 | CUC_START | RX_START, shmem + iSCB_CMD);
outb (0, ioaddr + SIGNAL_CA); /* Issue channel-attn. */
lp->last_restart = lp->stats.tx_packets;
}
struct net_local *lp;
int ioaddr, status, boguscount = 0;
ushort ack_cmd = 0;
- unsigned long shmem;
+ void __iomem *shmem;
if (dev == NULL) {
printk ("net_interrupt(): irq %d for unknown device.\n", irq);
ioaddr = dev->base_addr;
lp = netdev_priv(dev);
- shmem = dev->mem_start;
+ shmem = lp->base;
spin_lock(&lp->lock);
- status = isa_readw(shmem+iSCB_STATUS);
+ status = readw(shmem+iSCB_STATUS);
if (net_debug > 4) {
printk("%s: 3c507 interrupt, status %4.4x.\n", dev->name, status);
/* Reap the Tx packet buffers. */
while (lp->tx_pkts_in_ring) {
- unsigned short tx_status = isa_readw(shmem+lp->tx_reap);
+ unsigned short tx_status = readw(shmem+lp->tx_reap);
if (!(tx_status & 0x8000)) {
if (net_debug > 5)
printk("Tx command incomplete (%#x).\n", lp->tx_reap);
printk("%s: Rx unit stopped, status %04x, restarting.\n",
dev->name, status);
init_rx_bufs(dev);
- isa_writew(RX_BUF_START,shmem+iSCB_RFA);
+ writew(RX_BUF_START,shmem+iSCB_RFA);
ack_cmd |= RX_START;
}
- isa_writew(ack_cmd,shmem+iSCB_CMD);
+ writew(ack_cmd,shmem+iSCB_CMD);
outb(0, ioaddr + SIGNAL_CA); /* Issue channel-attn. */
/* Clear the latched interrupt. */
static int el16_close(struct net_device *dev)
{
+ struct net_local *lp = netdev_priv(dev);
int ioaddr = dev->base_addr;
- unsigned long shmem = dev->mem_start;
+ void __iomem *shmem = lp->base;
netif_stop_queue(dev);
/* Flush the Tx and disable Rx. */
- isa_writew(RX_SUSPEND | CUC_SUSPEND,shmem+iSCB_CMD);
+ writew(RX_SUSPEND | CUC_SUSPEND,shmem+iSCB_CMD);
outb(0, ioaddr + SIGNAL_CA);
/* Disable the 82586's input to the interrupt line. */
static void init_rx_bufs(struct net_device *dev)
{
struct net_local *lp = netdev_priv(dev);
- unsigned long write_ptr;
+ void __iomem *write_ptr;
unsigned short SCB_base = SCB_BASE;
int cur_rxbuf = lp->rx_head = RX_BUF_START;
/* Initialize each Rx frame + data buffer. */
do { /* While there is room for one more. */
- write_ptr = dev->mem_start + cur_rxbuf;
-
- isa_writew(0x0000,write_ptr); /* Status */
- isa_writew(0x0000,write_ptr+=2); /* Command */
- isa_writew(cur_rxbuf + RX_BUF_SIZE,write_ptr+=2); /* Link */
- isa_writew(cur_rxbuf + 22,write_ptr+=2); /* Buffer offset */
- isa_writew(0x0000,write_ptr+=2); /* Pad for dest addr. */
- isa_writew(0x0000,write_ptr+=2);
- isa_writew(0x0000,write_ptr+=2);
- isa_writew(0x0000,write_ptr+=2); /* Pad for source addr. */
- isa_writew(0x0000,write_ptr+=2);
- isa_writew(0x0000,write_ptr+=2);
- isa_writew(0x0000,write_ptr+=2); /* Pad for protocol. */
-
- isa_writew(0x0000,write_ptr+=2); /* Buffer: Actual count */
- isa_writew(-1,write_ptr+=2); /* Buffer: Next (none). */
- isa_writew(cur_rxbuf + 0x20 + SCB_base,write_ptr+=2);/* Buffer: Address low */
- isa_writew(0x0000,write_ptr+=2);
+ write_ptr = lp->base + cur_rxbuf;
+
+ writew(0x0000,write_ptr); /* Status */
+ writew(0x0000,write_ptr+=2); /* Command */
+ writew(cur_rxbuf + RX_BUF_SIZE,write_ptr+=2); /* Link */
+ writew(cur_rxbuf + 22,write_ptr+=2); /* Buffer offset */
+ writew(0x0000,write_ptr+=2); /* Pad for dest addr. */
+ writew(0x0000,write_ptr+=2);
+ writew(0x0000,write_ptr+=2);
+ writew(0x0000,write_ptr+=2); /* Pad for source addr. */
+ writew(0x0000,write_ptr+=2);
+ writew(0x0000,write_ptr+=2);
+ writew(0x0000,write_ptr+=2); /* Pad for protocol. */
+
+ writew(0x0000,write_ptr+=2); /* Buffer: Actual count */
+ writew(-1,write_ptr+=2); /* Buffer: Next (none). */
+ writew(cur_rxbuf + 0x20 + SCB_base,write_ptr+=2);/* Buffer: Address low */
+ writew(0x0000,write_ptr+=2);
/* Finally, the number of bytes in the buffer. */
- isa_writew(0x8000 + RX_BUF_SIZE-0x20,write_ptr+=2);
+ writew(0x8000 + RX_BUF_SIZE-0x20,write_ptr+=2);
lp->rx_tail = cur_rxbuf;
cur_rxbuf += RX_BUF_SIZE;
/* Terminate the list by setting the EOL bit, and wrap the pointer to make
the list a ring. */
- write_ptr = dev->mem_start + lp->rx_tail + 2;
- isa_writew(0xC000,write_ptr); /* Command, mark as last. */
- isa_writew(lp->rx_head,write_ptr+2); /* Link */
+ write_ptr = lp->base + lp->rx_tail + 2;
+ writew(0xC000,write_ptr); /* Command, mark as last. */
+ writew(lp->rx_head,write_ptr+2); /* Link */
}
static void init_82586_mem(struct net_device *dev)
{
struct net_local *lp = netdev_priv(dev);
short ioaddr = dev->base_addr;
- unsigned long shmem = dev->mem_start;
+ void __iomem *shmem = lp->base;
/* Enable loopback to protect the wire while starting up,
and hold the 586 in reset during the memory initialization. */
init_words[7] = SCB_BASE;
/* Write the words at 0xfff6 (address-aliased to 0xfffff6). */
- isa_memcpy_toio(dev->mem_end-10, init_words, 10);
+ memcpy_toio(lp->base + RX_BUF_END - 10, init_words, 10);
/* Write the words at 0x0000. */
- isa_memcpy_toio(dev->mem_start, init_words + 5, sizeof(init_words) - 10);
+ memcpy_toio(lp->base, init_words + 5, sizeof(init_words) - 10);
/* Fill in the station address. */
- isa_memcpy_toio(dev->mem_start+SA_OFFSET, dev->dev_addr,
+ memcpy_toio(lp->base+SA_OFFSET, dev->dev_addr,
sizeof(dev->dev_addr));
/* The Tx-block list is written as needed. We just set up the values. */
{
int boguscnt = 50;
- while (isa_readw(shmem+iSCB_STATUS) == 0)
+ while (readw(shmem+iSCB_STATUS) == 0)
if (--boguscnt == 0) {
printk("%s: i82586 initialization timed out with status %04x,"
"cmd %04x.\n", dev->name,
- isa_readw(shmem+iSCB_STATUS), isa_readw(shmem+iSCB_CMD));
+ readw(shmem+iSCB_STATUS), readw(shmem+iSCB_CMD));
break;
}
/* Issue channel-attn -- the 82586 won't start. */
outb(0x84, ioaddr + MISC_CTRL);
if (net_debug > 4)
printk("%s: Initialized 82586, status %04x.\n", dev->name,
- isa_readw(shmem+iSCB_STATUS));
+ readw(shmem+iSCB_STATUS));
return;
}
struct net_local *lp = netdev_priv(dev);
short ioaddr = dev->base_addr;
ushort tx_block = lp->tx_head;
- unsigned long write_ptr = dev->mem_start + tx_block;
+ void __iomem *write_ptr = lp->base + tx_block;
static char padding[ETH_ZLEN];
/* Set the write pointer to the Tx block, and put out the header. */
- isa_writew(0x0000,write_ptr); /* Tx status */
- isa_writew(CMD_INTR|CmdTx,write_ptr+=2); /* Tx command */
- isa_writew(tx_block+16,write_ptr+=2); /* Next command is a NoOp. */
- isa_writew(tx_block+8,write_ptr+=2); /* Data Buffer offset. */
+ writew(0x0000,write_ptr); /* Tx status */
+ writew(CMD_INTR|CmdTx,write_ptr+=2); /* Tx command */
+ writew(tx_block+16,write_ptr+=2); /* Next command is a NoOp. */
+ writew(tx_block+8,write_ptr+=2); /* Data Buffer offset. */
/* Output the data buffer descriptor. */
- isa_writew((pad + length) | 0x8000,write_ptr+=2); /* Byte count parameter. */
- isa_writew(-1,write_ptr+=2); /* No next data buffer. */
- isa_writew(tx_block+22+SCB_BASE,write_ptr+=2); /* Buffer follows the NoOp command. */
- isa_writew(0x0000,write_ptr+=2); /* Buffer address high bits (always zero). */
+ writew((pad + length) | 0x8000,write_ptr+=2); /* Byte count parameter. */
+ writew(-1,write_ptr+=2); /* No next data buffer. */
+ writew(tx_block+22+SCB_BASE,write_ptr+=2); /* Buffer follows the NoOp command. */
+ writew(0x0000,write_ptr+=2); /* Buffer address high bits (always zero). */
/* Output the Loop-back NoOp command. */
- isa_writew(0x0000,write_ptr+=2); /* Tx status */
- isa_writew(CmdNOp,write_ptr+=2); /* Tx command */
- isa_writew(tx_block+16,write_ptr+=2); /* Next is myself. */
+ writew(0x0000,write_ptr+=2); /* Tx status */
+ writew(CmdNOp,write_ptr+=2); /* Tx command */
+ writew(tx_block+16,write_ptr+=2); /* Next is myself. */
/* Output the packet at the write pointer. */
- isa_memcpy_toio(write_ptr+2, buf, length);
+ memcpy_toio(write_ptr+2, buf, length);
if (pad)
- isa_memcpy_toio(write_ptr+length+2, padding, pad);
+ memcpy_toio(write_ptr+length+2, padding, pad);
/* Set the old command link pointing to this send packet. */
- isa_writew(tx_block,dev->mem_start + lp->tx_cmd_link);
+ writew(tx_block,lp->base + lp->tx_cmd_link);
lp->tx_cmd_link = tx_block + 20;
/* Set the next free tx region. */
static void el16_rx(struct net_device *dev)
{
struct net_local *lp = netdev_priv(dev);
- unsigned long shmem = dev->mem_start;
+ void __iomem *shmem = lp->base;
ushort rx_head = lp->rx_head;
ushort rx_tail = lp->rx_tail;
ushort boguscount = 10;
short frame_status;
- while ((frame_status = isa_readw(shmem+rx_head)) < 0) { /* Command complete */
- unsigned long read_frame = dev->mem_start + rx_head;
- ushort rfd_cmd = isa_readw(read_frame+2);
- ushort next_rx_frame = isa_readw(read_frame+4);
- ushort data_buffer_addr = isa_readw(read_frame+6);
- unsigned long data_frame = dev->mem_start + data_buffer_addr;
- ushort pkt_len = isa_readw(data_frame);
+ while ((frame_status = readw(shmem+rx_head)) < 0) { /* Command complete */
+ void __iomem *read_frame = lp->base + rx_head;
+ ushort rfd_cmd = readw(read_frame+2);
+ ushort next_rx_frame = readw(read_frame+4);
+ ushort data_buffer_addr = readw(read_frame+6);
+ void __iomem *data_frame = lp->base + data_buffer_addr;
+ ushort pkt_len = readw(data_frame);
if (rfd_cmd != 0 || data_buffer_addr != rx_head + 22
|| (pkt_len & 0xC000) != 0xC000) {
skb->dev = dev;
/* 'skb->data' points to the start of sk_buff data area. */
- isa_memcpy_fromio(skb_put(skb,pkt_len), data_frame + 10, pkt_len);
+ memcpy_fromio(skb_put(skb,pkt_len), data_frame + 10, pkt_len);
skb->protocol=eth_type_trans(skb,dev);
netif_rx(skb);
}
/* Clear the status word and set End-of-List on the rx frame. */
- isa_writew(0,read_frame);
- isa_writew(0xC000,read_frame+2);
+ writew(0,read_frame);
+ writew(0xC000,read_frame+2);
/* Clear the end-of-list on the prev. RFD. */
- isa_writew(0x0000,dev->mem_start + rx_tail + 2);
+ writew(0x0000,lp->base + rx_tail + 2);
rx_tail = rx_head;
rx_head = next_rx_frame;
#ifdef MODULE
static struct net_device *dev_3c507;
-MODULE_PARM(io, "i");
-MODULE_PARM(irq, "i");
+module_param(io, int, 0);
+module_param(irq, int, 0);
MODULE_PARM_DESC(io, "EtherLink16 I/O base address");
MODULE_PARM_DESC(irq, "(ignored)");
struct net_device *dev = dev_3c507;
unregister_netdev(dev);
free_irq(dev->irq, dev);
+ iounmap(((struct net_local *)netdev_priv(dev))->base);
release_region(dev->base_addr, EL16_IO_EXTENT);
free_netdev(dev);
}
git://git.onelab.eu / linux-2.6.git / blobdiff