Lines Matching +full:enable +full:- +full:lpa
1 // SPDX-License-Identifier: GPL-2.0+
4 * Jens Scharsig (esw@bus-elektronik.de)
34 /* MDIO clock must not exceed 2.5 MHz, so enable MCK divider */
91 /* Mac CTRL reg set for MDIO enable */ in at91emac_EnableMDIO()
92 writel(readl(&at91mac->ctl) | AT91_EMAC_CTL_MPE, &at91mac->ctl); in at91emac_EnableMDIO()
98 writel(readl(&at91mac->ctl) & ~AT91_EMAC_CTL_MPE, &at91mac->ctl); in at91emac_DisableMDIO()
110 &at91mac->man); in at91emac_read()
113 netstat = readl(&at91mac->sr); in at91emac_read()
117 *value = readl(&at91mac->man) & AT91_EMAC_MAN_DATA_MASK; in at91emac_read()
139 &at91mac->man); in at91emac_write()
142 netstat = readl(&at91mac->sr); in at91emac_write()
158 return (at91_emac_t *) netdev->iobase; in get_emacbase_by_name()
166 emac = get_emacbase_by_name(bus->name); in at91emac_mii_read()
177 emac = get_emacbase_by_name(bus->name); in at91emac_mii_write()
190 emac = (at91_emac_t *) netdev->iobase; in at91emac_phy_reset()
195 debug_cond(VERBOSEP, "%s: Starting autonegotiation...\n", netdev->name); in at91emac_phy_reset()
209 "%s: Autonegotiation complete\n", netdev->name); in at91emac_phy_reset()
212 netdev->name, status); in at91emac_phy_reset()
213 return -1; in at91emac_phy_reset()
220 u16 phy_id, status, adv, lpa; in at91emac_phy_init() local
225 emac = (at91_emac_t *) netdev->iobase; in at91emac_phy_init()
231 printf("%s: No PHY present\n", netdev->name); in at91emac_phy_init()
232 return -1; in at91emac_phy_init()
239 /* Try to re-negotiate if we don't have link already. */ in at91emac_phy_init()
241 return -2; in at91emac_phy_init()
252 debug_cond(VERBOSEP, "%s: link down\n", netdev->name); in at91emac_phy_init()
253 return -3; in at91emac_phy_init()
258 MII_LPA, &lpa); in at91emac_phy_init()
259 media = mii_nway_result(lpa & adv); in at91emac_phy_init()
263 debug_cond(VERBOSEP, "%s: link up, %sMbps %s-duplex\n", in at91emac_phy_init()
264 netdev->name, in at91emac_phy_init()
278 return -1; in at91emac_UpdateLinkSpeed()
282 writel(readl(&emac->cfg) | in at91emac_UpdateLinkSpeed()
284 &emac->cfg); in at91emac_UpdateLinkSpeed()
290 writel((readl(&emac->cfg) & in at91emac_UpdateLinkSpeed()
293 &emac->cfg); in at91emac_UpdateLinkSpeed()
299 writel((readl(&emac->cfg) & in at91emac_UpdateLinkSpeed()
302 &emac->cfg); in at91emac_UpdateLinkSpeed()
308 writel((readl(&emac->cfg) & in at91emac_UpdateLinkSpeed()
310 &emac->cfg); in at91emac_UpdateLinkSpeed()
324 emac = (at91_emac_t *) netdev->iobase; in at91emac_init()
325 dev = (emac_device *) netdev->priv; in at91emac_init()
334 writel(value, &pio->pioa.pdr); in at91emac_init()
335 writel(value, &pio->pioa.mux.pio2.asr); in at91emac_init()
345 writel(value, &pio->piob.pdr); in at91emac_init()
346 writel(value, &pio->piob.mux.pio2.bsr); in at91emac_init()
350 writel(readl(&emac->ctl) | AT91_EMAC_CTL_CSR, &emac->ctl); in at91emac_init()
354 dev->rbfdt[i].addr = (unsigned long) net_rx_packets[i]; in at91emac_init()
355 dev->rbfdt[i].size = 0; in at91emac_init()
357 dev->rbfdt[RBF_FRAMEMAX - 1].addr |= RBF_WRAP; in at91emac_init()
358 dev->rbindex = 0; in at91emac_init()
359 writel((u32) &(dev->rbfdt[0]), &emac->rbqp); in at91emac_init()
361 writel(readl(&emac->rsr) & in at91emac_init()
363 &emac->rsr); in at91emac_init()
370 writel(value, &emac->cfg); in at91emac_init()
372 writel(readl(&emac->ctl) | AT91_EMAC_CTL_TE | AT91_EMAC_CTL_RE, in at91emac_init()
373 &emac->ctl); in at91emac_init()
379 return -1; in at91emac_init()
386 emac = (at91_emac_t *) netdev->iobase; in at91emac_halt()
387 writel(readl(&emac->ctl) & ~(AT91_EMAC_CTL_TE | AT91_EMAC_CTL_RE), in at91emac_halt()
388 &emac->ctl); in at91emac_halt()
396 emac = (at91_emac_t *) netdev->iobase; in at91emac_send()
398 while (!(readl(&emac->tsr) & AT91_EMAC_TSR_BNQ)) in at91emac_send()
400 writel((u32) packet, &emac->tar); in at91emac_send()
401 writel(AT91_EMAC_TCR_LEN(length), &emac->tcr); in at91emac_send()
402 while (AT91_EMAC_TCR_LEN(readl(&emac->tcr))) in at91emac_send()
405 writel(readl(&emac->tsr) | AT91_EMAC_TSR_COMP, &emac->tsr); in at91emac_send()
416 emac = (at91_emac_t *) netdev->iobase; in at91emac_recv()
417 dev = (emac_device *) netdev->priv; in at91emac_recv()
419 rbfp = &dev->rbfdt[dev->rbindex]; in at91emac_recv()
420 while (rbfp->addr & RBF_OWNER) { in at91emac_recv()
421 size = rbfp->size & RBF_SIZE; in at91emac_recv()
422 net_process_received_packet(net_rx_packets[dev->rbindex], size); in at91emac_recv()
425 dev->rbindex, size, rbfp->addr); in at91emac_recv()
427 rbfp->addr &= ~RBF_OWNER; in at91emac_recv()
428 rbfp->size = 0; in at91emac_recv()
429 if (dev->rbindex < (RBF_FRAMEMAX-1)) in at91emac_recv()
430 dev->rbindex++; in at91emac_recv()
432 dev->rbindex = 0; in at91emac_recv()
434 rbfp = &(dev->rbfdt[dev->rbindex]); in at91emac_recv()
435 if (!(rbfp->addr & RBF_OWNER)) in at91emac_recv()
436 writel(readl(&emac->rsr) | AT91_EMAC_RSR_REC, in at91emac_recv()
437 &emac->rsr); in at91emac_recv()
440 if (readl(&emac->isr) & AT91_EMAC_IxR_RBNA) { in at91emac_recv()
442 writel(readl(&emac->ctl) & ~AT91_EMAC_CTL_RE, &emac->ctl); in at91emac_recv()
443 writel(readl(&emac->ctl) | AT91_EMAC_CTL_RE, &emac->ctl); in at91emac_recv()
444 dev->rbindex = 0; in at91emac_recv()
446 netdev->name); in at91emac_recv()
454 emac = (at91_emac_t *) netdev->iobase; in at91emac_write_hwaddr()
459 "init MAC-ADDR %02x:%02x:%02x:%02x:%02x:%02x\n", in at91emac_write_hwaddr()
460 netdev->enetaddr[5], netdev->enetaddr[4], netdev->enetaddr[3], in at91emac_write_hwaddr()
461 netdev->enetaddr[2], netdev->enetaddr[1], netdev->enetaddr[0]); in at91emac_write_hwaddr()
462 writel( (netdev->enetaddr[0] | netdev->enetaddr[1] << 8 | in at91emac_write_hwaddr()
463 netdev->enetaddr[2] << 16 | netdev->enetaddr[3] << 24), in at91emac_write_hwaddr()
464 &emac->sa2l); in at91emac_write_hwaddr()
465 writel((netdev->enetaddr[4] | netdev->enetaddr[5] << 8), &emac->sa2h); in at91emac_write_hwaddr()
466 debug_cond(DEBUG_AT91EMAC, "init MAC-ADDR %x%x\n", in at91emac_write_hwaddr()
467 readl(&emac->sa2h), readl(&emac->sa2l)); in at91emac_write_hwaddr()
481 return -1; in at91emac_register()
485 return -1; in at91emac_register()
492 strcpy(dev->name, "emac"); in at91emac_register()
493 dev->iobase = iobase; in at91emac_register()
494 dev->priv = emacfix; in at91emac_register()
495 dev->init = at91emac_init; in at91emac_register()
496 dev->halt = at91emac_halt; in at91emac_register()
497 dev->send = at91emac_send; in at91emac_register()
498 dev->recv = at91emac_recv; in at91emac_register()
499 dev->write_hwaddr = at91emac_write_hwaddr; in at91emac_register()
507 return -ENOMEM; in at91emac_register()
508 strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN); in at91emac_register()
509 mdiodev->read = at91emac_mii_read; in at91emac_register()
510 mdiodev->write = at91emac_mii_write; in at91emac_register()