2 * Copyright 2009-2012 Freescale Semiconductor, Inc.
5 * SPDX-License-Identifier: GPL-2.0+
16 #include <asm/fsl_dtsec.h>
17 #include <asm/fsl_tgec.h>
18 #include <fsl_memac.h>
22 static struct eth_device *devlist[NUM_FM_PORTS];
23 static int num_controllers;
25 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
27 #define TBIANA_SETTINGS (TBIANA_ASYMMETRIC_PAUSE | TBIANA_SYMMETRIC_PAUSE | \
30 #define TBIANA_SGMII_ACK 0x4001
32 #define TBICR_SETTINGS (TBICR_ANEG_ENABLE | TBICR_RESTART_ANEG | \
33 TBICR_FULL_DUPLEX | TBICR_SPEED1_SET)
35 /* Configure the TBI for SGMII operation */
36 static void dtsec_configure_serdes(struct fm_eth *priv)
38 #ifdef CONFIG_SYS_FMAN_V3
41 bus.priv = priv->mac->phyregs;
42 bool sgmii_2500 = (priv->enet_if ==
43 PHY_INTERFACE_MODE_SGMII_2500) ? true : false;
45 /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */
46 value = PHY_SGMII_IF_MODE_SGMII;
48 value |= PHY_SGMII_IF_MODE_AN;
50 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value);
52 /* Dev ability according to SGMII specification */
53 value = PHY_SGMII_DEV_ABILITY_SGMII;
54 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x4, value);
56 /* Adjust link timer for SGMII -
57 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */
58 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x13, 0x3);
59 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40);
62 value = PHY_SGMII_CR_DEF_VAL;
64 value |= PHY_SGMII_CR_RESET_AN;
65 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value);
67 struct dtsec *regs = priv->mac->base;
68 struct tsec_mii_mng *phyregs = priv->mac->phyregs;
71 * Access TBI PHY registers at given TSEC register offset as
72 * opposed to the register offset used for external PHY accesses
74 tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, TBI_TBICON,
76 tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, TBI_ANA,
78 tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0,
79 TBI_CR, TBICR_SETTINGS);
83 static void dtsec_init_phy(struct eth_device *dev)
85 struct fm_eth *fm_eth = dev->priv;
86 #ifndef CONFIG_SYS_FMAN_V3
87 struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR;
89 /* Assign a Physical address to the TBI */
90 out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE);
93 if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII ||
94 fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500)
95 dtsec_configure_serdes(fm_eth);
98 static int tgec_is_fibre(struct eth_device *dev)
100 struct fm_eth *fm = dev->priv;
103 sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1);
105 return hwconfig_arg_cmp(phyopt, "xfi");
109 static u16 muram_readw(u16 *addr)
111 u32 base = (u32)addr & ~0x3;
112 u32 val32 = *(u32 *)base;
116 byte_pos = (u32)addr & 0x3;
118 ret = (u16)(val32 & 0x0000ffff);
120 ret = (u16)((val32 & 0xffff0000) >> 16);
125 static void muram_writew(u16 *addr, u16 val)
127 u32 base = (u32)addr & ~0x3;
128 u32 org32 = *(u32 *)base;
132 byte_pos = (u32)addr & 0x3;
134 val32 = (org32 & 0xffff0000) | val;
136 val32 = (org32 & 0x0000ffff) | ((u32)val << 16);
138 *(u32 *)base = val32;
141 static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port)
143 int timeout = 1000000;
145 clrbits_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_EN);
147 /* wait until the rx port is not busy */
148 while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--)
152 static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port)
154 /* set BMI to independent mode, Rx port disable */
155 out_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_IM);
156 /* clear FOF in IM case */
157 out_be32(&rx_port->fmbm_rim, 0);
158 /* Rx frame next engine -RISC */
159 out_be32(&rx_port->fmbm_rfne, NIA_ENG_RISC | NIA_RISC_AC_IM_RX);
160 /* Rx command attribute - no order, MR[3] = 1 */
161 clrbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_ORDER | FMBM_RFCA_MR_MASK);
162 setbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_MR(4));
163 /* enable Rx statistic counters */
164 out_be32(&rx_port->fmbm_rstc, FMBM_RSTC_EN);
165 /* disable Rx performance counters */
166 out_be32(&rx_port->fmbm_rpc, 0);
169 static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port)
171 int timeout = 1000000;
173 clrbits_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_EN);
175 /* wait until the tx port is not busy */
176 while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--)
180 static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port)
182 /* set BMI to independent mode, Tx port disable */
183 out_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_IM);
184 /* Tx frame next engine -RISC */
185 out_be32(&tx_port->fmbm_tfne, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
186 out_be32(&tx_port->fmbm_tfene, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
187 /* Tx command attribute - no order, MR[3] = 1 */
188 clrbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_ORDER | FMBM_TFCA_MR_MASK);
189 setbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_MR(4));
190 /* enable Tx statistic counters */
191 out_be32(&tx_port->fmbm_tstc, FMBM_TSTC_EN);
192 /* disable Tx performance counters */
193 out_be32(&tx_port->fmbm_tpc, 0);
196 static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth)
198 struct fm_port_global_pram *pram;
199 u32 pram_page_offset;
200 void *rx_bd_ring_base;
202 struct fm_port_bd *rxbd;
203 struct fm_port_qd *rxqd;
204 struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port;
207 /* alloc global parameter ram at MURAM */
208 pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
209 FM_PRAM_SIZE, FM_PRAM_ALIGN);
210 fm_eth->rx_pram = pram;
212 /* parameter page offset to MURAM */
213 pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
215 /* enable global mode- snooping data buffers and BDs */
216 pram->mode = PRAM_MODE_GLOBAL;
218 /* init the Rx queue descriptor pionter */
219 pram->rxqd_ptr = pram_page_offset + 0x20;
221 /* set the max receive buffer length, power of 2 */
222 muram_writew(&pram->mrblr, MAX_RXBUF_LOG2);
224 /* alloc Rx buffer descriptors from main memory */
225 rx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
227 if (!rx_bd_ring_base)
229 memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd)
232 /* alloc Rx buffer from main memory */
233 rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE);
236 memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE);
238 /* save them to fm_eth */
239 fm_eth->rx_bd_ring = rx_bd_ring_base;
240 fm_eth->cur_rxbd = rx_bd_ring_base;
241 fm_eth->rx_buf = rx_buf_pool;
243 /* init Rx BDs ring */
244 rxbd = (struct fm_port_bd *)rx_bd_ring_base;
245 for (i = 0; i < RX_BD_RING_SIZE; i++) {
246 rxbd->status = RxBD_EMPTY;
248 rxbd->buf_ptr_hi = 0;
249 rxbd->buf_ptr_lo = (u32)rx_buf_pool + i * MAX_RXBUF_LEN;
253 /* set the Rx queue descriptor */
255 muram_writew(&rxqd->gen, 0);
256 muram_writew(&rxqd->bd_ring_base_hi, 0);
257 rxqd->bd_ring_base_lo = (u32)rx_bd_ring_base;
258 muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd)
260 muram_writew(&rxqd->offset_in, 0);
261 muram_writew(&rxqd->offset_out, 0);
263 /* set IM parameter ram pointer to Rx Frame Queue ID */
264 out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset);
269 static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth)
271 struct fm_port_global_pram *pram;
272 u32 pram_page_offset;
273 void *tx_bd_ring_base;
274 struct fm_port_bd *txbd;
275 struct fm_port_qd *txqd;
276 struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port;
279 /* alloc global parameter ram at MURAM */
280 pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
281 FM_PRAM_SIZE, FM_PRAM_ALIGN);
282 fm_eth->tx_pram = pram;
284 /* parameter page offset to MURAM */
285 pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
287 /* enable global mode- snooping data buffers and BDs */
288 pram->mode = PRAM_MODE_GLOBAL;
290 /* init the Tx queue descriptor pionter */
291 pram->txqd_ptr = pram_page_offset + 0x40;
293 /* alloc Tx buffer descriptors from main memory */
294 tx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
296 if (!tx_bd_ring_base)
298 memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd)
300 /* save it to fm_eth */
301 fm_eth->tx_bd_ring = tx_bd_ring_base;
302 fm_eth->cur_txbd = tx_bd_ring_base;
304 /* init Tx BDs ring */
305 txbd = (struct fm_port_bd *)tx_bd_ring_base;
306 for (i = 0; i < TX_BD_RING_SIZE; i++) {
307 txbd->status = TxBD_LAST;
309 txbd->buf_ptr_hi = 0;
310 txbd->buf_ptr_lo = 0;
313 /* set the Tx queue decriptor */
315 muram_writew(&txqd->bd_ring_base_hi, 0);
316 txqd->bd_ring_base_lo = (u32)tx_bd_ring_base;
317 muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd)
319 muram_writew(&txqd->offset_in, 0);
320 muram_writew(&txqd->offset_out, 0);
322 /* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */
323 out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset);
328 static int fm_eth_init(struct fm_eth *fm_eth)
331 if (!fm_eth_rx_port_parameter_init(fm_eth))
334 if (!fm_eth_tx_port_parameter_init(fm_eth))
340 static int fm_eth_startup(struct fm_eth *fm_eth)
342 struct fsl_enet_mac *mac;
345 /* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */
346 if (!fm_eth_init(fm_eth))
348 /* setup the MAC controller */
351 /* For some reason we need to set SPEED_100 */
352 if (((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) ||
353 (fm_eth->enet_if == PHY_INTERFACE_MODE_QSGMII)) &&
355 mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
357 /* init bmi rx port, IM mode and disable */
358 bmi_rx_port_init(fm_eth->rx_port);
359 /* init bmi tx port, IM mode and disable */
360 bmi_tx_port_init(fm_eth->tx_port);
365 static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
367 struct fm_port_global_pram *pram;
369 pram = fm_eth->tx_pram;
370 /* graceful stop transmission of frames */
371 pram->mode |= PRAM_MODE_GRACEFUL_STOP;
375 static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
377 struct fm_port_global_pram *pram;
379 pram = fm_eth->tx_pram;
380 /* re-enable transmission of frames */
381 pram->mode &= ~PRAM_MODE_GRACEFUL_STOP;
385 static int fm_eth_open(struct eth_device *dev, bd_t *bd)
387 struct fm_eth *fm_eth;
388 struct fsl_enet_mac *mac;
393 fm_eth = (struct fm_eth *)dev->priv;
396 /* setup the MAC address */
397 if (dev->enetaddr[0] & 0x01) {
398 printf("%s: MacAddress is multcast address\n", __func__);
401 mac->set_mac_addr(mac, dev->enetaddr);
403 /* enable bmi Rx port */
404 setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
405 /* enable MAC rx/tx port */
406 mac->enable_mac(mac);
407 /* enable bmi Tx port */
408 setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
409 /* re-enable transmission of frame */
410 fmc_tx_port_graceful_stop_disable(fm_eth);
413 if (fm_eth->phydev) {
414 ret = phy_startup(fm_eth->phydev);
416 printf("%s: Could not initialize\n",
417 fm_eth->phydev->dev->name);
424 fm_eth->phydev->speed = SPEED_1000;
425 fm_eth->phydev->link = 1;
426 fm_eth->phydev->duplex = DUPLEX_FULL;
429 /* set the MAC-PHY mode */
430 mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
432 if (!fm_eth->phydev->link)
433 printf("%s: No link.\n", fm_eth->phydev->dev->name);
435 return fm_eth->phydev->link ? 0 : -1;
438 static void fm_eth_halt(struct eth_device *dev)
440 struct fm_eth *fm_eth;
441 struct fsl_enet_mac *mac;
443 fm_eth = (struct fm_eth *)dev->priv;
446 /* graceful stop the transmission of frames */
447 fmc_tx_port_graceful_stop_enable(fm_eth);
448 /* disable bmi Tx port */
449 bmi_tx_port_disable(fm_eth->tx_port);
450 /* disable MAC rx/tx port */
451 mac->disable_mac(mac);
452 /* disable bmi Rx port */
453 bmi_rx_port_disable(fm_eth->rx_port);
456 phy_shutdown(fm_eth->phydev);
459 static int fm_eth_send(struct eth_device *dev, void *buf, int len)
461 struct fm_eth *fm_eth;
462 struct fm_port_global_pram *pram;
463 struct fm_port_bd *txbd, *txbd_base;
467 fm_eth = (struct fm_eth *)dev->priv;
468 pram = fm_eth->tx_pram;
469 txbd = fm_eth->cur_txbd;
471 /* find one empty TxBD */
472 for (i = 0; txbd->status & TxBD_READY; i++) {
475 printf("%s: Tx buffer not ready\n", dev->name);
480 txbd->buf_ptr_hi = 0;
481 txbd->buf_ptr_lo = (u32)buf;
484 txbd->status = TxBD_READY | TxBD_LAST;
487 /* update TxQD, let RISC to send the packet */
488 offset_in = muram_readw(&pram->txqd.offset_in);
489 offset_in += sizeof(struct fm_port_bd);
490 if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
492 muram_writew(&pram->txqd.offset_in, offset_in);
495 /* wait for buffer to be transmitted */
496 for (i = 0; txbd->status & TxBD_READY; i++) {
499 printf("%s: Tx error\n", dev->name);
504 /* advance the TxBD */
506 txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
507 if (txbd >= (txbd_base + TX_BD_RING_SIZE))
509 /* update current txbd */
510 fm_eth->cur_txbd = (void *)txbd;
515 static int fm_eth_recv(struct eth_device *dev)
517 struct fm_eth *fm_eth;
518 struct fm_port_global_pram *pram;
519 struct fm_port_bd *rxbd, *rxbd_base;
524 fm_eth = (struct fm_eth *)dev->priv;
525 pram = fm_eth->rx_pram;
526 rxbd = fm_eth->cur_rxbd;
527 status = rxbd->status;
529 while (!(status & RxBD_EMPTY)) {
530 if (!(status & RxBD_ERROR)) {
531 data = (u8 *)rxbd->buf_ptr_lo;
533 net_process_received_packet(data, len);
535 printf("%s: Rx error\n", dev->name);
539 /* clear the RxBDs */
540 rxbd->status = RxBD_EMPTY;
546 rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
547 if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
549 /* read next status */
550 status = rxbd->status;
553 offset_out = muram_readw(&pram->rxqd.offset_out);
554 offset_out += sizeof(struct fm_port_bd);
555 if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
557 muram_writew(&pram->rxqd.offset_out, offset_out);
560 fm_eth->cur_rxbd = (void *)rxbd;
565 static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
567 struct fsl_enet_mac *mac;
569 void *base, *phyregs = NULL;
573 #ifdef CONFIG_SYS_FMAN_V3
574 #ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION
575 if (fm_eth->type == FM_ETH_10G_E) {
576 /* 10GEC1/10GEC2 use mEMAC9/mEMAC10 on T2080/T4240.
577 * 10GEC3/10GEC4 use mEMAC1/mEMAC2 on T2080.
578 * 10GEC1 uses mEMAC1 on T1024.
579 * so it needs to change the num.
581 if (fm_eth->num >= 2)
587 base = ®->memac[num].fm_memac;
588 phyregs = ®->memac[num].fm_memac_mdio;
590 /* Get the mac registers base address */
591 if (fm_eth->type == FM_ETH_1G_E) {
592 base = ®->mac_1g[num].fm_dtesc;
593 phyregs = ®->mac_1g[num].fm_mdio.miimcfg;
595 base = ®->mac_10g[num].fm_10gec;
596 phyregs = ®->mac_10g[num].fm_10gec_mdio;
600 /* alloc mac controller */
601 mac = malloc(sizeof(struct fsl_enet_mac));
604 memset(mac, 0, sizeof(struct fsl_enet_mac));
606 /* save the mac to fm_eth struct */
609 #ifdef CONFIG_SYS_FMAN_V3
610 init_memac(mac, base, phyregs, MAX_RXBUF_LEN);
612 if (fm_eth->type == FM_ETH_1G_E)
613 init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN);
615 init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
621 static int init_phy(struct eth_device *dev)
623 struct fm_eth *fm_eth = dev->priv;
624 struct phy_device *phydev = NULL;
628 if (fm_eth->type == FM_ETH_1G_E)
632 phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
635 printf("Failed to connect\n");
642 if (fm_eth->type == FM_ETH_1G_E) {
643 supported = (SUPPORTED_10baseT_Half |
644 SUPPORTED_10baseT_Full |
645 SUPPORTED_100baseT_Half |
646 SUPPORTED_100baseT_Full |
647 SUPPORTED_1000baseT_Full);
649 supported = SUPPORTED_10000baseT_Full;
651 if (tgec_is_fibre(dev))
652 phydev->port = PORT_FIBRE;
655 phydev->supported &= supported;
656 phydev->advertising = phydev->supported;
658 fm_eth->phydev = phydev;
666 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
668 struct eth_device *dev;
669 struct fm_eth *fm_eth;
670 int i, num = info->num;
672 /* alloc eth device */
673 dev = (struct eth_device *)malloc(sizeof(struct eth_device));
676 memset(dev, 0, sizeof(struct eth_device));
678 /* alloc the FMan ethernet private struct */
679 fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
682 memset(fm_eth, 0, sizeof(struct fm_eth));
684 /* save off some things we need from the info struct */
685 fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
687 fm_eth->type = info->type;
689 fm_eth->rx_port = (void *)®->port[info->rx_port_id - 1].fm_bmi;
690 fm_eth->tx_port = (void *)®->port[info->tx_port_id - 1].fm_bmi;
692 /* set the ethernet max receive length */
693 fm_eth->max_rx_len = MAX_RXBUF_LEN;
695 /* init global mac structure */
696 if (!fm_eth_init_mac(fm_eth, reg))
699 /* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
700 if (fm_eth->type == FM_ETH_1G_E)
701 sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
703 sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
705 devlist[num_controllers++] = dev;
707 dev->priv = (void *)fm_eth;
708 dev->init = fm_eth_open;
709 dev->halt = fm_eth_halt;
710 dev->send = fm_eth_send;
711 dev->recv = fm_eth_recv;
713 fm_eth->bus = info->bus;
714 fm_eth->phyaddr = info->phy_addr;
715 fm_eth->enet_if = info->enet_if;
717 /* startup the FM im */
718 if (!fm_eth_startup(fm_eth))
723 /* clear the ethernet address */
724 for (i = 0; i < 6; i++)
725 dev->enetaddr[i] = 0;