2 * Copyright 2009-2012 Freescale Semiconductor, Inc.
3 * Dave Liu <daveliu@freescale.com>
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <asm/fsl_dtsec.h>
30 #include <asm/fsl_tgec.h>
31 #include <asm/fsl_memac.h>
35 static struct eth_device *devlist[NUM_FM_PORTS];
36 static int num_controllers;
38 #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) && !defined(BITBANGMII)
40 #define TBIANA_SETTINGS (TBIANA_ASYMMETRIC_PAUSE | TBIANA_SYMMETRIC_PAUSE | \
43 #define TBIANA_SGMII_ACK 0x4001
45 #define TBICR_SETTINGS (TBICR_ANEG_ENABLE | TBICR_RESTART_ANEG | \
46 TBICR_FULL_DUPLEX | TBICR_SPEED1_SET)
48 /* Configure the TBI for SGMII operation */
49 static void dtsec_configure_serdes(struct fm_eth *priv)
51 #ifdef CONFIG_SYS_FMAN_V3
54 bus.priv = priv->mac->phyregs;
56 /* SGMII IF mode + AN enable */
57 value = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
58 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value);
60 /* Dev ability according to SGMII specification */
61 value = PHY_SGMII_DEV_ABILITY_SGMII;
62 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x4, value);
64 /* Adjust link timer for SGMII -
65 1.6 ms in units of 8 ns = 2 * 10^5 = 0x30d40 */
66 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x13, 0x3);
67 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40);
70 value = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN;
71 memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value);
73 struct dtsec *regs = priv->mac->base;
74 struct tsec_mii_mng *phyregs = priv->mac->phyregs;
77 * Access TBI PHY registers at given TSEC register offset as
78 * opposed to the register offset used for external PHY accesses
80 tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, TBI_TBICON,
82 tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0, TBI_ANA,
84 tsec_local_mdio_write(phyregs, in_be32(®s->tbipa), 0,
85 TBI_CR, TBICR_SETTINGS);
89 static void dtsec_init_phy(struct eth_device *dev)
91 struct fm_eth *fm_eth = dev->priv;
92 #ifndef CONFIG_SYS_FMAN_V3
93 struct dtsec *regs = (struct dtsec *)CONFIG_SYS_FSL_FM1_DTSEC1_ADDR;
95 /* Assign a Physical address to the TBI */
96 out_be32(®s->tbipa, CONFIG_SYS_TBIPA_VALUE);
99 if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII)
100 dtsec_configure_serdes(fm_eth);
103 static int tgec_is_fibre(struct eth_device *dev)
105 struct fm_eth *fm = dev->priv;
108 sprintf(phyopt, "fsl_fm%d_xaui_phy", fm->fm_index + 1);
110 return hwconfig_arg_cmp(phyopt, "xfi");
114 static u16 muram_readw(u16 *addr)
116 u32 base = (u32)addr & ~0x3;
117 u32 val32 = *(u32 *)base;
121 byte_pos = (u32)addr & 0x3;
123 ret = (u16)(val32 & 0x0000ffff);
125 ret = (u16)((val32 & 0xffff0000) >> 16);
130 static void muram_writew(u16 *addr, u16 val)
132 u32 base = (u32)addr & ~0x3;
133 u32 org32 = *(u32 *)base;
137 byte_pos = (u32)addr & 0x3;
139 val32 = (org32 & 0xffff0000) | val;
141 val32 = (org32 & 0x0000ffff) | ((u32)val << 16);
143 *(u32 *)base = val32;
146 static void bmi_rx_port_disable(struct fm_bmi_rx_port *rx_port)
148 int timeout = 1000000;
150 clrbits_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_EN);
152 /* wait until the rx port is not busy */
153 while ((in_be32(&rx_port->fmbm_rst) & FMBM_RST_BSY) && timeout--)
157 static void bmi_rx_port_init(struct fm_bmi_rx_port *rx_port)
159 /* set BMI to independent mode, Rx port disable */
160 out_be32(&rx_port->fmbm_rcfg, FMBM_RCFG_IM);
161 /* clear FOF in IM case */
162 out_be32(&rx_port->fmbm_rim, 0);
163 /* Rx frame next engine -RISC */
164 out_be32(&rx_port->fmbm_rfne, NIA_ENG_RISC | NIA_RISC_AC_IM_RX);
165 /* Rx command attribute - no order, MR[3] = 1 */
166 clrbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_ORDER | FMBM_RFCA_MR_MASK);
167 setbits_be32(&rx_port->fmbm_rfca, FMBM_RFCA_MR(4));
168 /* enable Rx statistic counters */
169 out_be32(&rx_port->fmbm_rstc, FMBM_RSTC_EN);
170 /* disable Rx performance counters */
171 out_be32(&rx_port->fmbm_rpc, 0);
174 static void bmi_tx_port_disable(struct fm_bmi_tx_port *tx_port)
176 int timeout = 1000000;
178 clrbits_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_EN);
180 /* wait until the tx port is not busy */
181 while ((in_be32(&tx_port->fmbm_tst) & FMBM_TST_BSY) && timeout--)
185 static void bmi_tx_port_init(struct fm_bmi_tx_port *tx_port)
187 /* set BMI to independent mode, Tx port disable */
188 out_be32(&tx_port->fmbm_tcfg, FMBM_TCFG_IM);
189 /* Tx frame next engine -RISC */
190 out_be32(&tx_port->fmbm_tfne, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
191 out_be32(&tx_port->fmbm_tfene, NIA_ENG_RISC | NIA_RISC_AC_IM_TX);
192 /* Tx command attribute - no order, MR[3] = 1 */
193 clrbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_ORDER | FMBM_TFCA_MR_MASK);
194 setbits_be32(&tx_port->fmbm_tfca, FMBM_TFCA_MR(4));
195 /* enable Tx statistic counters */
196 out_be32(&tx_port->fmbm_tstc, FMBM_TSTC_EN);
197 /* disable Tx performance counters */
198 out_be32(&tx_port->fmbm_tpc, 0);
201 static int fm_eth_rx_port_parameter_init(struct fm_eth *fm_eth)
203 struct fm_port_global_pram *pram;
204 u32 pram_page_offset;
205 void *rx_bd_ring_base;
207 struct fm_port_bd *rxbd;
208 struct fm_port_qd *rxqd;
209 struct fm_bmi_rx_port *bmi_rx_port = fm_eth->rx_port;
212 /* alloc global parameter ram at MURAM */
213 pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
214 FM_PRAM_SIZE, FM_PRAM_ALIGN);
215 fm_eth->rx_pram = pram;
217 /* parameter page offset to MURAM */
218 pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
220 /* enable global mode- snooping data buffers and BDs */
221 pram->mode = PRAM_MODE_GLOBAL;
223 /* init the Rx queue descriptor pionter */
224 pram->rxqd_ptr = pram_page_offset + 0x20;
226 /* set the max receive buffer length, power of 2 */
227 muram_writew(&pram->mrblr, MAX_RXBUF_LOG2);
229 /* alloc Rx buffer descriptors from main memory */
230 rx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
232 if (!rx_bd_ring_base)
234 memset(rx_bd_ring_base, 0, sizeof(struct fm_port_bd)
237 /* alloc Rx buffer from main memory */
238 rx_buf_pool = malloc(MAX_RXBUF_LEN * RX_BD_RING_SIZE);
241 memset(rx_buf_pool, 0, MAX_RXBUF_LEN * RX_BD_RING_SIZE);
243 /* save them to fm_eth */
244 fm_eth->rx_bd_ring = rx_bd_ring_base;
245 fm_eth->cur_rxbd = rx_bd_ring_base;
246 fm_eth->rx_buf = rx_buf_pool;
248 /* init Rx BDs ring */
249 rxbd = (struct fm_port_bd *)rx_bd_ring_base;
250 for (i = 0; i < RX_BD_RING_SIZE; i++) {
251 rxbd->status = RxBD_EMPTY;
253 rxbd->buf_ptr_hi = 0;
254 rxbd->buf_ptr_lo = (u32)rx_buf_pool + i * MAX_RXBUF_LEN;
258 /* set the Rx queue descriptor */
260 muram_writew(&rxqd->gen, 0);
261 muram_writew(&rxqd->bd_ring_base_hi, 0);
262 rxqd->bd_ring_base_lo = (u32)rx_bd_ring_base;
263 muram_writew(&rxqd->bd_ring_size, sizeof(struct fm_port_bd)
265 muram_writew(&rxqd->offset_in, 0);
266 muram_writew(&rxqd->offset_out, 0);
268 /* set IM parameter ram pointer to Rx Frame Queue ID */
269 out_be32(&bmi_rx_port->fmbm_rfqid, pram_page_offset);
274 static int fm_eth_tx_port_parameter_init(struct fm_eth *fm_eth)
276 struct fm_port_global_pram *pram;
277 u32 pram_page_offset;
278 void *tx_bd_ring_base;
279 struct fm_port_bd *txbd;
280 struct fm_port_qd *txqd;
281 struct fm_bmi_tx_port *bmi_tx_port = fm_eth->tx_port;
284 /* alloc global parameter ram at MURAM */
285 pram = (struct fm_port_global_pram *)fm_muram_alloc(fm_eth->fm_index,
286 FM_PRAM_SIZE, FM_PRAM_ALIGN);
287 fm_eth->tx_pram = pram;
289 /* parameter page offset to MURAM */
290 pram_page_offset = (u32)pram - fm_muram_base(fm_eth->fm_index);
292 /* enable global mode- snooping data buffers and BDs */
293 pram->mode = PRAM_MODE_GLOBAL;
295 /* init the Tx queue descriptor pionter */
296 pram->txqd_ptr = pram_page_offset + 0x40;
298 /* alloc Tx buffer descriptors from main memory */
299 tx_bd_ring_base = malloc(sizeof(struct fm_port_bd)
301 if (!tx_bd_ring_base)
303 memset(tx_bd_ring_base, 0, sizeof(struct fm_port_bd)
305 /* save it to fm_eth */
306 fm_eth->tx_bd_ring = tx_bd_ring_base;
307 fm_eth->cur_txbd = tx_bd_ring_base;
309 /* init Tx BDs ring */
310 txbd = (struct fm_port_bd *)tx_bd_ring_base;
311 for (i = 0; i < TX_BD_RING_SIZE; i++) {
312 txbd->status = TxBD_LAST;
314 txbd->buf_ptr_hi = 0;
315 txbd->buf_ptr_lo = 0;
318 /* set the Tx queue decriptor */
320 muram_writew(&txqd->bd_ring_base_hi, 0);
321 txqd->bd_ring_base_lo = (u32)tx_bd_ring_base;
322 muram_writew(&txqd->bd_ring_size, sizeof(struct fm_port_bd)
324 muram_writew(&txqd->offset_in, 0);
325 muram_writew(&txqd->offset_out, 0);
327 /* set IM parameter ram pointer to Tx Confirmation Frame Queue ID */
328 out_be32(&bmi_tx_port->fmbm_tcfqid, pram_page_offset);
333 static int fm_eth_init(struct fm_eth *fm_eth)
336 if (!fm_eth_rx_port_parameter_init(fm_eth))
339 if (!fm_eth_tx_port_parameter_init(fm_eth))
345 static int fm_eth_startup(struct fm_eth *fm_eth)
347 struct fsl_enet_mac *mac;
350 /* Rx/TxBDs, Rx/TxQDs, Rx buff and parameter ram init */
351 if (!fm_eth_init(fm_eth))
353 /* setup the MAC controller */
356 /* For some reason we need to set SPEED_100 */
357 if ((fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII) && mac->set_if_mode)
358 mac->set_if_mode(mac, fm_eth->enet_if, SPEED_100);
360 /* init bmi rx port, IM mode and disable */
361 bmi_rx_port_init(fm_eth->rx_port);
362 /* init bmi tx port, IM mode and disable */
363 bmi_tx_port_init(fm_eth->tx_port);
368 static void fmc_tx_port_graceful_stop_enable(struct fm_eth *fm_eth)
370 struct fm_port_global_pram *pram;
372 pram = fm_eth->tx_pram;
373 /* graceful stop transmission of frames */
374 pram->mode |= PRAM_MODE_GRACEFUL_STOP;
378 static void fmc_tx_port_graceful_stop_disable(struct fm_eth *fm_eth)
380 struct fm_port_global_pram *pram;
382 pram = fm_eth->tx_pram;
383 /* re-enable transmission of frames */
384 pram->mode &= ~PRAM_MODE_GRACEFUL_STOP;
388 static int fm_eth_open(struct eth_device *dev, bd_t *bd)
390 struct fm_eth *fm_eth;
391 struct fsl_enet_mac *mac;
396 fm_eth = (struct fm_eth *)dev->priv;
399 /* setup the MAC address */
400 if (dev->enetaddr[0] & 0x01) {
401 printf("%s: MacAddress is multcast address\n", __func__);
404 mac->set_mac_addr(mac, dev->enetaddr);
406 /* enable bmi Rx port */
407 setbits_be32(&fm_eth->rx_port->fmbm_rcfg, FMBM_RCFG_EN);
408 /* enable MAC rx/tx port */
409 mac->enable_mac(mac);
410 /* enable bmi Tx port */
411 setbits_be32(&fm_eth->tx_port->fmbm_tcfg, FMBM_TCFG_EN);
412 /* re-enable transmission of frame */
413 fmc_tx_port_graceful_stop_disable(fm_eth);
416 ret = phy_startup(fm_eth->phydev);
418 printf("%s: Could not initialize\n", fm_eth->phydev->dev->name);
422 fm_eth->phydev->speed = SPEED_1000;
423 fm_eth->phydev->link = 1;
424 fm_eth->phydev->duplex = DUPLEX_FULL;
427 /* set the MAC-PHY mode */
428 mac->set_if_mode(mac, fm_eth->enet_if, fm_eth->phydev->speed);
430 if (!fm_eth->phydev->link)
431 printf("%s: No link.\n", fm_eth->phydev->dev->name);
433 return fm_eth->phydev->link ? 0 : -1;
436 static void fm_eth_halt(struct eth_device *dev)
438 struct fm_eth *fm_eth;
439 struct fsl_enet_mac *mac;
441 fm_eth = (struct fm_eth *)dev->priv;
444 /* graceful stop the transmission of frames */
445 fmc_tx_port_graceful_stop_enable(fm_eth);
446 /* disable bmi Tx port */
447 bmi_tx_port_disable(fm_eth->tx_port);
448 /* disable MAC rx/tx port */
449 mac->disable_mac(mac);
450 /* disable bmi Rx port */
451 bmi_rx_port_disable(fm_eth->rx_port);
453 phy_shutdown(fm_eth->phydev);
456 static int fm_eth_send(struct eth_device *dev, void *buf, int len)
458 struct fm_eth *fm_eth;
459 struct fm_port_global_pram *pram;
460 struct fm_port_bd *txbd, *txbd_base;
464 fm_eth = (struct fm_eth *)dev->priv;
465 pram = fm_eth->tx_pram;
466 txbd = fm_eth->cur_txbd;
468 /* find one empty TxBD */
469 for (i = 0; txbd->status & TxBD_READY; i++) {
472 printf("%s: Tx buffer not ready\n", dev->name);
477 txbd->buf_ptr_hi = 0;
478 txbd->buf_ptr_lo = (u32)buf;
481 txbd->status = TxBD_READY | TxBD_LAST;
484 /* update TxQD, let RISC to send the packet */
485 offset_in = muram_readw(&pram->txqd.offset_in);
486 offset_in += sizeof(struct fm_port_bd);
487 if (offset_in >= muram_readw(&pram->txqd.bd_ring_size))
489 muram_writew(&pram->txqd.offset_in, offset_in);
492 /* wait for buffer to be transmitted */
493 for (i = 0; txbd->status & TxBD_READY; i++) {
496 printf("%s: Tx error\n", dev->name);
501 /* advance the TxBD */
503 txbd_base = (struct fm_port_bd *)fm_eth->tx_bd_ring;
504 if (txbd >= (txbd_base + TX_BD_RING_SIZE))
506 /* update current txbd */
507 fm_eth->cur_txbd = (void *)txbd;
512 static int fm_eth_recv(struct eth_device *dev)
514 struct fm_eth *fm_eth;
515 struct fm_port_global_pram *pram;
516 struct fm_port_bd *rxbd, *rxbd_base;
521 fm_eth = (struct fm_eth *)dev->priv;
522 pram = fm_eth->rx_pram;
523 rxbd = fm_eth->cur_rxbd;
524 status = rxbd->status;
526 while (!(status & RxBD_EMPTY)) {
527 if (!(status & RxBD_ERROR)) {
528 data = (u8 *)rxbd->buf_ptr_lo;
530 NetReceive(data, len);
532 printf("%s: Rx error\n", dev->name);
536 /* clear the RxBDs */
537 rxbd->status = RxBD_EMPTY;
543 rxbd_base = (struct fm_port_bd *)fm_eth->rx_bd_ring;
544 if (rxbd >= (rxbd_base + RX_BD_RING_SIZE))
546 /* read next status */
547 status = rxbd->status;
550 offset_out = muram_readw(&pram->rxqd.offset_out);
551 offset_out += sizeof(struct fm_port_bd);
552 if (offset_out >= muram_readw(&pram->rxqd.bd_ring_size))
554 muram_writew(&pram->rxqd.offset_out, offset_out);
557 fm_eth->cur_rxbd = (void *)rxbd;
562 static int fm_eth_init_mac(struct fm_eth *fm_eth, struct ccsr_fman *reg)
564 struct fsl_enet_mac *mac;
566 void *base, *phyregs = NULL;
570 #ifdef CONFIG_SYS_FMAN_V3
571 if (fm_eth->type == FM_ETH_10G_E)
573 base = ®->memac[num].fm_memac;
574 phyregs = ®->memac[num].fm_memac_mdio;
576 /* Get the mac registers base address */
577 if (fm_eth->type == FM_ETH_1G_E) {
578 base = ®->mac_1g[num].fm_dtesc;
579 phyregs = ®->mac_1g[num].fm_mdio.miimcfg;
581 base = ®->mac_10g[num].fm_10gec;
582 phyregs = ®->mac_10g[num].fm_10gec_mdio;
586 /* alloc mac controller */
587 mac = malloc(sizeof(struct fsl_enet_mac));
590 memset(mac, 0, sizeof(struct fsl_enet_mac));
592 /* save the mac to fm_eth struct */
595 #ifdef CONFIG_SYS_FMAN_V3
596 init_memac(mac, base, phyregs, MAX_RXBUF_LEN);
598 if (fm_eth->type == FM_ETH_1G_E)
599 init_dtsec(mac, base, phyregs, MAX_RXBUF_LEN);
601 init_tgec(mac, base, phyregs, MAX_RXBUF_LEN);
607 static int init_phy(struct eth_device *dev)
609 struct fm_eth *fm_eth = dev->priv;
610 struct phy_device *phydev = NULL;
614 if (fm_eth->type == FM_ETH_1G_E)
618 phydev = phy_connect(fm_eth->bus, fm_eth->phyaddr, dev,
623 printf("Failed to connect\n");
627 if (fm_eth->type == FM_ETH_1G_E) {
628 supported = (SUPPORTED_10baseT_Half |
629 SUPPORTED_10baseT_Full |
630 SUPPORTED_100baseT_Half |
631 SUPPORTED_100baseT_Full |
632 SUPPORTED_1000baseT_Full);
634 supported = SUPPORTED_10000baseT_Full;
636 if (tgec_is_fibre(dev))
637 phydev->port = PORT_FIBRE;
640 phydev->supported &= supported;
641 phydev->advertising = phydev->supported;
643 fm_eth->phydev = phydev;
651 int fm_eth_initialize(struct ccsr_fman *reg, struct fm_eth_info *info)
653 struct eth_device *dev;
654 struct fm_eth *fm_eth;
655 int i, num = info->num;
657 /* alloc eth device */
658 dev = (struct eth_device *)malloc(sizeof(struct eth_device));
661 memset(dev, 0, sizeof(struct eth_device));
663 /* alloc the FMan ethernet private struct */
664 fm_eth = (struct fm_eth *)malloc(sizeof(struct fm_eth));
667 memset(fm_eth, 0, sizeof(struct fm_eth));
669 /* save off some things we need from the info struct */
670 fm_eth->fm_index = info->index - 1; /* keep as 0 based for muram */
672 fm_eth->type = info->type;
674 fm_eth->rx_port = (void *)®->port[info->rx_port_id - 1].fm_bmi;
675 fm_eth->tx_port = (void *)®->port[info->tx_port_id - 1].fm_bmi;
677 /* set the ethernet max receive length */
678 fm_eth->max_rx_len = MAX_RXBUF_LEN;
680 /* init global mac structure */
681 if (!fm_eth_init_mac(fm_eth, reg))
684 /* keep same as the manual, we call FMAN1, FMAN2, DTSEC1, DTSEC2, etc */
685 if (fm_eth->type == FM_ETH_1G_E)
686 sprintf(dev->name, "FM%d@DTSEC%d", info->index, num + 1);
688 sprintf(dev->name, "FM%d@TGEC%d", info->index, num + 1);
690 devlist[num_controllers++] = dev;
692 dev->priv = (void *)fm_eth;
693 dev->init = fm_eth_open;
694 dev->halt = fm_eth_halt;
695 dev->send = fm_eth_send;
696 dev->recv = fm_eth_recv;
698 fm_eth->bus = info->bus;
699 fm_eth->phyaddr = info->phy_addr;
700 fm_eth->enet_if = info->enet_if;
702 /* startup the FM im */
703 if (!fm_eth_startup(fm_eth))
709 /* clear the ethernet address */
710 for (i = 0; i < 6; i++)
711 dev->enetaddr[i] = 0;