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[ramips] make ethernet a platform device

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18135 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
blogic
2009-10-24 20:58:41 +00:00
parent d74086d291
commit c75080b25f
4 changed files with 92 additions and 29 deletions
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77
target/linux/ramips/files/drivers/net/ramips.c
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@@ -25,12 +25,11 @@
#include <linux/skbuff.h>
#include <linux/if_vlan.h>
#include <linux/if_ether.h>
#include <linux/platform_device.h>
#include <asm/uaccess.h>
#include <net/sock.h>
#include <asm/uaccess.h>
#include <rt305x.h>
#include <rt305x_regs.h>
#include <eth.h>
#define TX_TIMEOUT (20 * HZ / 100)
@@ -112,19 +111,19 @@ ramips_eth_hard_start_xmit(struct sk_buff* skb, struct net_device *dev)
unsigned long tx;
unsigned int tx_next;
#ifdef CONFIG_RALINK_RT305X
#define MIN_PKT_LEN 64
if(skb->len < MIN_PKT_LEN)
{
if(skb_padto(skb, MIN_PKT_LEN))
if(priv->plat->min_pkt_len)
{
if(skb->len < priv->plat->min_pkt_len)
{
printk(KERN_ERR "ramips_eth: skb_padto failed\n");
kfree_skb(skb);
return 0;
}
skb_put(skb, MIN_PKT_LEN - skb->len);
}
#endif
if(skb_padto(skb, priv->plat->min_pkt_len))
{
printk(KERN_ERR "ramips_eth: skb_padto failed\n");
kfree_skb(skb);
return 0;
}
skb_put(skb, priv->plat->min_pkt_len - skb->len);
}
}
dev->trans_start = jiffies;
dma_cache_wback_inv((unsigned long)skb->data, skb->len);
tx = ramips_fe_rr(RAMIPS_TX_CTX_IDX0);
@@ -321,16 +320,13 @@ ramips_eth_stop(struct net_device *dev)
int __init
ramips_eth_probe(struct net_device *dev)
{
struct raeth_priv *priv = (struct raeth_priv*)netdev_priv(dev);
struct sockaddr addr;
unsigned char mac_addr01234[5] = {0x00, 0x0C, 0x43, 0x28, 0x80};
/* reset frame engine */
rt305x_sysc_wr(RAMIPS_FE_RESET_BIT, RAMIPS_FE_RESET);
rt305x_sysc_wr(0, RAMIPS_FE_RESET);
BUG(!priv->plat->reset_fe);
priv->plat->reset_fe();
net_srandom(jiffies);
memcpy(addr.sa_data, mac_addr01234, 5);
addr.sa_data[5] = net_random()&0xFF;
memcpy(addr.sa_data, priv->plat->mac, 6);
ramips_eth_set_mac_addr(dev, &addr);
ether_setup(dev);
@@ -345,20 +341,24 @@ ramips_eth_probe(struct net_device *dev)
return 0;
}
int __init
ramips_eth_init(void)
static int
ramips_eth_plat_probe(struct platform_device *plat)
{
ramips_fe_base = ioremap_nocache(RT305X_FE_BASE, PAGE_SIZE);
struct raeth_priv *priv;
ramips_fe_base = ioremap_nocache(plat->base_addr, PAGE_SIZE);
if(!ramips_fe_base)
return -ENOMEM;
ramips_dev = alloc_etherdev(sizeof(struct raeth_priv));
if(!ramips_dev)
return -ENOMEM;
strcpy(ramips_dev->name, "eth%d");
ramips_dev->irq = RT305X_CPU_IRQ_FE;
ramips_dev->irq = plat->irq;
ramips_dev->addr_len = ETH_ALEN;
ramips_dev->base_addr = (unsigned long)ramips_fe_base;
ramips_dev->init = ramips_eth_probe;
priv = (struct raeth_priv*)netdev_priv(ramips_dev);
priv->plat = (struct ramips_eth_platform_data*)plat->dev.platform_data;
if(register_netdev(ramips_dev))
{
printk(KERN_ERR "ramips_eth: error bringing up device\n");
@@ -371,12 +371,35 @@ ramips_eth_init(void)
return 0;
}
void
ramips_eth_cleanup(void)
static int
ramips_eth_plat_remove(struct platform_device *plat)
{
unregister_netdev(ramips_dev);
free_netdev(ramips_dev);
printk(KERN_INFO "ramips_eth: unloaded");
return 0;
}
static struct platform_driver ramips_eth_driver = {
.probe = ramips_eth_plat_probe,
.remove = ramips_eth_plat_remove,
.driver = {
.name = "ramips_eth",
.owner = THIS_MODULE,
},
};
int __init ramips_eth_init(void)
{
int ret = platform_driver_register(&ramips_eth_driver);
if (ret)
printk(KERN_INFO "ramips_eth: Error registering platfom driver!");
return ret;
}
static void __exit ramips_eth_cleanup(void)
{
platform_driver_unregister(&ramips_eth_driver);
}
module_init(ramips_eth_init);