int eth_init (bd_t * bd)
{
gpio_init_cs8900();
/* verify chip id */
if (get_reg_init_bus (PP_ChipID) != 0x630e) {
printf ("CS8900 Ethernet chip not found?!\n");
return 0;
}
eth_reset ();
/* set the ethernet address */
put_reg (PP_IA + 0, bd->bi_enetaddr[0] | (bd->bi_enetaddr[1] << 8));
put_reg (PP_IA + 2, bd->bi_enetaddr[2] | (bd->bi_enetaddr[3] << 8));
put_reg (PP_IA + 4, bd->bi_enetaddr[4] | (bd->bi_enetaddr[5] << 8));
eth_reginit ();
return 0;
}
int eth_init (bd_t * bd)
{
uchar enetaddr[6];
gpio_init_cs8900();
/* verify chip id */
if (get_reg_init_bus (PP_ChipID) != 0x630e) {
printf ("CS8900 Ethernet chip not found?!\n");
return 0;
}
eth_reset ();
/* set the ethernet address */
eth_getenv_enetaddr("ethaddr", enetaddr);
put_reg (PP_IA + 0, enetaddr[0] | (enetaddr[1] << 8));
put_reg (PP_IA + 2, enetaddr[2] | (enetaddr[3] << 8));
put_reg (PP_IA + 4, enetaddr[4] | (enetaddr[5] << 8));
eth_reginit ();
return 0;
}
int __init cirrus_probe(void)
{
static cirrus_t priv;
int i;
u16 value;
printk ("Jz CS8900A driver for Linux (V0.02)\n");
/* Init hardware for PAVO board */
gpio_init_cs8900();
/* Allocate ethernet device */
dev = alloc_etherdev(sizeof(struct net_device));
memset (&priv,0,sizeof (cirrus_t));
ether_setup (dev);
dev->open = cirrus_start;
dev->stop = cirrus_stop;
dev->hard_start_xmit = cirrus_send_start;
dev->get_stats = cirrus_get_stats;
dev->set_multicast_list = cirrus_set_receive_mode;
dev->set_mac_address = cirrus_set_mac_address;
dev->tx_timeout = cirrus_transmit_timeout;
dev->watchdog_timeo = HZ;
if (ethaddr_cmd==1)
{
dev->dev_addr[0] = ethaddr_hex[0];
dev->dev_addr[1] = ethaddr_hex[1];
dev->dev_addr[2] = ethaddr_hex[2];
dev->dev_addr[3] = ethaddr_hex[3];
dev->dev_addr[4] = ethaddr_hex[4];
dev->dev_addr[5] = ethaddr_hex[5];
}
else //default mac address 00:2a:cc:2a:af:fe
{
dev->dev_addr[0] = 0x00;
dev->dev_addr[1] = 0x62;
dev->dev_addr[2] = 0x9c;
dev->dev_addr[3] = 0x61;
dev->dev_addr[4] = 0xcf;
dev->dev_addr[5] = 0x16;
}
dev->if_port = IF_PORT_10BASET;
dev->priv = (void *) &priv;
dev->base_addr = CIRRUS_DEFAULT_IO;
dev->irq = CIRRUS_DEFAULT_IRQ;
/* module parameters override everything */
if (!dev->base_addr) {
printk (KERN_ERR
"%s: No default I/O base address defined. Use io=... or\n"
"%s: define CIRRUS_DEFAULT_IO for your platform\n",
dev->name,dev->name);
return (-EINVAL);
}
if (!dev->irq) {
printk (KERN_ERR
"%s: No default IRQ number defined. Use irq=... or\n"
"%s: define CIRRUS_DEFAULT_IRQ for your platform\n",
dev->name,dev->name);
return (-EINVAL);
}
#if 0
if ((result = check_region (dev->base_addr,16))) {
printk (KERN_ERR "%s: can't get I/O port address 0x%lx\n",dev->name,dev->base_addr);
return (result);
}
#endif
if (!request_region (dev->base_addr,16,dev->name))
return -EBUSY;
#if 0
/* verify EISA registration number for Cirrus Logic */
if ((value = cirrus_read (dev,PP_ProductID)) != EISA_REG_CODE) {
printk (KERN_ERR "%s: incorrect signature 0x%.4x\n",dev->name,value);
return (-ENXIO);
}
#endif
/* verify chip version */
value = cirrus_read (dev,PP_ProductID + 2);
if (VERSION (value) != CS8900A) {
printk (KERN_ERR "%s: unknown chip version 0x%.8x\n",dev->name,VERSION (value));
return (-ENXIO);
}
printk (KERN_INFO "%s: CS8900A rev %c detected\n",dev->name,'B' + REVISION (value) - REV_B);
/* setup interrupt number */
cirrus_write (dev,PP_IntNum,INT_PIN);
/* configure MAC address */
for (i = 0; i < ETH_ALEN; i += 2)
{
//printk(" %x",dev->dev_addr[i] | (dev->dev_addr[i + 1] << 8));
cirrus_write (dev,PP_IA + i,dev->dev_addr[i] | (dev->dev_addr[i + 1] << 8));
}
if (register_netdev(dev) != 0) {
printk(KERN_ERR " Cannot register net device\n");
free_netdev(dev);
return -ENOMEM;
}
return (0);
}
