at91/libat91/emac.c

336  * unsigned short AT91F_MII_ReadPhy (AT91PS_EMAC pEmac, unsigned char addr)
342 AT91F_MII_ReadPhy (AT91PS_EMAC pEmac, unsigned char addr)
346 	pEmac->EMAC_CTL |= AT91C_EMAC_MPE;
347 	pEmac->EMAC_MAN = value;
348   	while(!((pEmac->EMAC_SR) & AT91C_EMAC_IDLE));
349 	pEmac->EMAC_CTL &= ~AT91C_EMAC_MPE;
350 	return (pEmac->EMAC_MAN & 0x0000ffff);
356  * unsigned short AT91F_MII_WritePhy (AT91PS_EMAC pEmac, unsigned char addr, unsigned short s)
362 AT91F_MII_WritePhy (AT91PS_EMAC pEmac, unsigned char addr, unsigned short s)
366 	pEmac->EMAC_CTL |= AT91C_EMAC_MPE;
367 	pEmac->EMAC_MAN = value;
368   	while(!((pEmac->EMAC_SR) & AT91C_EMAC_IDLE));
369 	pEmac->EMAC_CTL &= ~AT91C_EMAC_MPE;
370 	return (pEmac->EMAC_MAN & 0x0000ffff);
376  * void MII_GetLinkSpeed(AT91PS_EMAC pEmac)
381 MII_GetLinkSpeed(AT91PS_EMAC pEmac)
393 	update = pEmac->EMAC_CFG & ~(AT91C_EMAC_SPD | AT91C_EMAC_FD);
398 	stat2 = AT91F_MII_ReadPhy(pEmac, MII_STS2_REG);
401 	update = pEmac->EMAC_CFG & ~(AT91C_EMAC_SPD | AT91C_EMAC_FD);
410 			stat2 = AT91F_MII_ReadPhy(pEmac, MII_STS_REG);
421 		AT91F_MII_WritePhy(pEmac, 0x0, 0x8000);
422 		while (AT91F_MII_ReadPhy(pEmac, 0x0) & 0x8000) continue;
425 	stat2 = AT91F_MII_ReadPhy(pEmac, MII_SPEC_STS_REG);
426 	update = pEmac->EMAC_CFG & ~(AT91C_EMAC_SPD | AT91C_EMAC_FD);
437 	pEmac->EMAC_CFG = update;
452 	AT91PS_EMAC	pEmac = AT91C_BASE_EMAC;
467 	if (!(pEmac->EMAC_SR & AT91C_EMAC_LINK))
468 		MII_GetLinkSpeed(pEmac);
470 	pEmac->EMAC_RBQP = (unsigned) p_rxBD;
471 	pEmac->EMAC_RSR  |= (AT91C_EMAC_OVR | AT91C_EMAC_REC | AT91C_EMAC_BNA);
472 	pEmac->EMAC_CTL  = AT91C_EMAC_TE | AT91C_EMAC_RE;
474 	pEmac->EMAC_TAR = (unsigned)transmitBuffer;