static int jz_eth_init (struct eth_device* dev, bd_t * bd)
{
u16 id;
dev = dev;
/* verify chip id */
id = get_reg_init_bus (PP_ChipID);
if (id != 0x630e) {
printf ("CS8900 jz_eth_init error!\n");
return 0;
}
eth_reset ();
/* set the ethernet address */
//printf("MAC = %02x:%02x:%02x:%02x:%02x:%02x\r\n",
// bd->bi_enetaddr[5],bd->bi_enetaddr[4],
// bd->bi_enetaddr[3],bd->bi_enetaddr[2],
// bd->bi_enetaddr[1],bd->bi_enetaddr[0]);
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;
}
/* Send a data block via Ethernet. */
extern int eth_send (volatile void *packet, int length)
{
volatile unsigned short *addr;
int tmo;
unsigned short s;
retry:
/* initiate a transmit sequence */
CS8900_TxCMD = PP_TxCmd_TxStart_Full;
CS8900_TxLEN = length;
/* Test to see if the chip has allocated memory for the packet */
if ((get_reg (PP_BusSTAT) & (PP_BusSTAT_TxRDY)) == 0) {
/* Oops... this should not happen! */
#ifdef DEBUG
printf ("cs: unable to send packet; retrying...\n");
#endif
for (tmo = get_timer (0) + 5 * CFG_HZ; get_timer (0) < tmo;)
/*NOP*/;
eth_reset ();
eth_reginit ();
goto retry;
}
/* Write the contents of the packet */
/* assume even number of bytes */
for (addr = packet; length > 0; length -= 2)
{
unsigned short data = *addr;
CS8900_RTDATA = SW(data);
addr++;
}
/* wait for transfer to succeed */
tmo = get_timer (0) + 5 * CFG_HZ;
while ((s = get_reg (PP_TER) & ~0x1F) == 0) {
if (get_timer (0) >= tmo)
break;
}
/* nothing */ ;
if ((s & (PP_TER_CRS | PP_TER_TxOK)) != PP_TER_TxOK) {
#ifdef DEBUG
printf ("\ntransmission error %#x\n", s);
#endif
}
return 0;
}
int eth_init (bd_t * bd)
{
/* 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)
int eth_init ()
{
/* 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, 0x09 | 0x00 << 8);
//put_reg (PP_IA + 2, 0xD8 | 0x58 << 8);
//put_reg (PP_IA + 4, 0x22 | 0x11 << 8);
put_reg (PP_IA + 0, 0x00 | 0x09 << 8);
put_reg (PP_IA + 2, 0x58 | 0xD8 << 8);
put_reg (PP_IA + 4, 0x11 | 0x22 << 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;
}
