1 // SPDX-License-Identifier: GPL-2.0+
4 * Marvell Semiconductor <www.marvell.com>
5 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
8 * Ingo Assmus <ingo.assmus@keymile.com>
10 * based on - Driver for MV64360X ethernet ports
11 * Copyright (C) 2002 rabeeh@galileo.co.il
22 #include <linux/errno.h>
23 #include <asm/types.h>
24 #include <asm/system.h>
25 #include <asm/byteorder.h>
26 #include <asm/arch/cpu.h>
28 #if defined(CONFIG_ARCH_KIRKWOOD)
29 #include <asm/arch/soc.h>
30 #elif defined(CONFIG_ARCH_ORION5X)
31 #include <asm/arch/orion5x.h>
36 DECLARE_GLOBAL_DATA_PTR;
38 #ifndef CONFIG_MVGBE_PORTS
39 # define CONFIG_MVGBE_PORTS {0, 0}
42 #define MV_PHY_ADR_REQUEST 0xee
43 #define MVGBE_SMI_REG (((struct mvgbe_registers *)MVGBE0_BASE)->smi)
45 #if defined(CONFIG_PHYLIB) || defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
46 static int smi_wait_ready(struct mvgbe_device *dmvgbe)
50 ret = wait_for_bit_le32(&MVGBE_SMI_REG, MVGBE_PHY_SMI_BUSY_MASK, false,
51 MVGBE_PHY_SMI_TIMEOUT_MS, false);
53 printf("Error: SMI busy timeout\n");
60 static int __mvgbe_mdio_read(struct mvgbe_device *dmvgbe, int phy_adr,
61 int devad, int reg_ofs)
63 struct mvgbe_registers *regs = dmvgbe->regs;
68 /* Phyadr read request */
69 if (phy_adr == MV_PHY_ADR_REQUEST &&
70 reg_ofs == MV_PHY_ADR_REQUEST) {
72 data = (u16) (MVGBE_REG_RD(regs->phyadr) & PHYADR_MASK);
75 /* check parameters */
76 if (phy_adr > PHYADR_MASK) {
77 printf("Err..(%s) Invalid PHY address %d\n",
81 if (reg_ofs > PHYREG_MASK) {
82 printf("Err..(%s) Invalid register offset %d\n",
87 /* wait till the SMI is not busy */
88 if (smi_wait_ready(dmvgbe) < 0)
91 /* fill the phy address and regiser offset and read opcode */
92 smi_reg = (phy_adr << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
93 | (reg_ofs << MVGBE_SMI_REG_ADDR_OFFS)
94 | MVGBE_PHY_SMI_OPCODE_READ;
96 /* write the smi register */
97 MVGBE_REG_WR(MVGBE_SMI_REG, smi_reg);
99 /*wait till read value is ready */
100 timeout = MVGBE_PHY_SMI_TIMEOUT;
103 /* read smi register */
104 smi_reg = MVGBE_REG_RD(MVGBE_SMI_REG);
105 if (timeout-- == 0) {
106 printf("Err..(%s) SMI read ready timeout\n",
110 } while (!(smi_reg & MVGBE_PHY_SMI_READ_VALID_MASK));
112 /* Wait for the data to update in the SMI register */
113 for (timeout = 0; timeout < MVGBE_PHY_SMI_TIMEOUT; timeout++)
116 data = (u16) (MVGBE_REG_RD(MVGBE_SMI_REG) & MVGBE_PHY_SMI_DATA_MASK);
118 debug("%s:(adr %d, off %d) value= %04x\n", __func__, phy_adr, reg_ofs,
125 * smi_reg_read - miiphy_read callback function.
127 * Returns 16bit phy register value, or -EFAULT on error
129 static int smi_reg_read(struct mii_dev *bus, int phy_adr, int devad,
133 struct mvgbe_device *dmvgbe = bus->priv;
135 struct eth_device *dev = eth_get_dev_by_name(bus->name);
136 struct mvgbe_device *dmvgbe = to_mvgbe(dev);
139 return __mvgbe_mdio_read(dmvgbe, phy_adr, devad, reg_ofs);
142 static int __mvgbe_mdio_write(struct mvgbe_device *dmvgbe, int phy_adr,
143 int devad, int reg_ofs, u16 data)
145 struct mvgbe_registers *regs = dmvgbe->regs;
148 /* Phyadr write request*/
149 if (phy_adr == MV_PHY_ADR_REQUEST &&
150 reg_ofs == MV_PHY_ADR_REQUEST) {
151 MVGBE_REG_WR(regs->phyadr, data);
155 /* check parameters */
156 if (phy_adr > PHYADR_MASK) {
157 printf("Err..(%s) Invalid phy address\n", __func__);
160 if (reg_ofs > PHYREG_MASK) {
161 printf("Err..(%s) Invalid register offset\n", __func__);
165 /* wait till the SMI is not busy */
166 if (smi_wait_ready(dmvgbe) < 0)
169 /* fill the phy addr and reg offset and write opcode and data */
170 smi_reg = (data << MVGBE_PHY_SMI_DATA_OFFS);
171 smi_reg |= (phy_adr << MVGBE_PHY_SMI_DEV_ADDR_OFFS)
172 | (reg_ofs << MVGBE_SMI_REG_ADDR_OFFS);
173 smi_reg &= ~MVGBE_PHY_SMI_OPCODE_READ;
175 /* write the smi register */
176 MVGBE_REG_WR(MVGBE_SMI_REG, smi_reg);
182 * smi_reg_write - miiphy_write callback function.
184 * Returns 0 if write succeed, -EFAULT on error
186 static int smi_reg_write(struct mii_dev *bus, int phy_adr, int devad,
187 int reg_ofs, u16 data)
190 struct mvgbe_device *dmvgbe = bus->priv;
192 struct eth_device *dev = eth_get_dev_by_name(bus->name);
193 struct mvgbe_device *dmvgbe = to_mvgbe(dev);
196 return __mvgbe_mdio_write(dmvgbe, phy_adr, devad, reg_ofs, data);
200 /* Stop and checks all queues */
201 static void stop_queue(u32 * qreg)
205 reg_data = readl(qreg);
207 if (reg_data & 0xFF) {
208 /* Issue stop command for active channels only */
209 writel((reg_data << 8), qreg);
211 /* Wait for all queue activity to terminate. */
214 * Check port cause register that all queues
217 reg_data = readl(qreg);
219 while (reg_data & 0xFF);
224 * set_access_control - Config address decode parameters for Ethernet unit
226 * This function configures the address decode parameters for the Gigabit
227 * Ethernet Controller according the given parameters struct.
229 * @regs Register struct pointer.
230 * @param Address decode parameter struct.
232 static void set_access_control(struct mvgbe_registers *regs,
233 struct mvgbe_winparam *param)
237 /* Set access control register */
238 access_prot_reg = MVGBE_REG_RD(regs->epap);
239 /* clear window permission */
240 access_prot_reg &= (~(3 << (param->win * 2)));
241 access_prot_reg |= (param->access_ctrl << (param->win * 2));
242 MVGBE_REG_WR(regs->epap, access_prot_reg);
244 /* Set window Size reg (SR) */
245 MVGBE_REG_WR(regs->barsz[param->win].size,
246 (((param->size / 0x10000) - 1) << 16));
248 /* Set window Base address reg (BA) */
249 MVGBE_REG_WR(regs->barsz[param->win].bar,
250 (param->target | param->attrib | param->base_addr));
251 /* High address remap reg (HARR) */
253 MVGBE_REG_WR(regs->ha_remap[param->win], param->high_addr);
255 /* Base address enable reg (BARER) */
256 if (param->enable == 1)
257 MVGBE_REG_BITS_RESET(regs->bare, (1 << param->win));
259 MVGBE_REG_BITS_SET(regs->bare, (1 << param->win));
262 static void set_dram_access(struct mvgbe_registers *regs)
264 struct mvgbe_winparam win_param;
267 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
268 /* Set access parameters for DRAM bank i */
269 win_param.win = i; /* Use Ethernet window i */
270 /* Window target - DDR */
271 win_param.target = MVGBE_TARGET_DRAM;
272 /* Enable full access */
273 win_param.access_ctrl = EWIN_ACCESS_FULL;
274 win_param.high_addr = 0;
275 /* Get bank base and size */
276 win_param.base_addr = gd->bd->bi_dram[i].start;
277 win_param.size = gd->bd->bi_dram[i].size;
278 if (win_param.size == 0)
279 win_param.enable = 0;
281 win_param.enable = 1; /* Enable the access */
283 /* Enable DRAM bank */
286 win_param.attrib = EBAR_DRAM_CS0;
289 win_param.attrib = EBAR_DRAM_CS1;
292 win_param.attrib = EBAR_DRAM_CS2;
295 win_param.attrib = EBAR_DRAM_CS3;
298 /* invalid bank, disable access */
299 win_param.enable = 0;
300 win_param.attrib = 0;
303 /* Set the access control for address window(EPAPR) RD/WR */
304 set_access_control(regs, &win_param);
309 * port_init_mac_tables - Clear all entrance in the UC, SMC and OMC tables
311 * Go through all the DA filter tables (Unicast, Special Multicast & Other
312 * Multicast) and set each entry to 0.
314 static void port_init_mac_tables(struct mvgbe_registers *regs)
318 /* Clear DA filter unicast table (Ex_dFUT) */
319 for (table_index = 0; table_index < 4; ++table_index)
320 MVGBE_REG_WR(regs->dfut[table_index], 0);
322 for (table_index = 0; table_index < 64; ++table_index) {
323 /* Clear DA filter special multicast table (Ex_dFSMT) */
324 MVGBE_REG_WR(regs->dfsmt[table_index], 0);
325 /* Clear DA filter other multicast table (Ex_dFOMT) */
326 MVGBE_REG_WR(regs->dfomt[table_index], 0);
331 * port_uc_addr - This function Set the port unicast address table
333 * This function locates the proper entry in the Unicast table for the
334 * specified MAC nibble and sets its properties according to function
336 * This function add/removes MAC addresses from the port unicast address
339 * @uc_nibble Unicast MAC Address last nibble.
340 * @option 0 = Add, 1 = remove address.
342 * RETURN: 1 if output succeeded. 0 if option parameter is invalid.
344 static int port_uc_addr(struct mvgbe_registers *regs, u8 uc_nibble,
351 /* Locate the Unicast table entry */
352 uc_nibble = (0xf & uc_nibble);
353 /* Register offset from unicast table base */
354 tbl_offset = (uc_nibble / 4);
355 /* Entry offset within the above register */
356 reg_offset = uc_nibble % 4;
359 case REJECT_MAC_ADDR:
361 * Clear accepts frame bit at specified unicast
364 unicast_reg = MVGBE_REG_RD(regs->dfut[tbl_offset]);
365 unicast_reg &= (0xFF << (8 * reg_offset));
366 MVGBE_REG_WR(regs->dfut[tbl_offset], unicast_reg);
368 case ACCEPT_MAC_ADDR:
369 /* Set accepts frame bit at unicast DA filter table entry */
370 unicast_reg = MVGBE_REG_RD(regs->dfut[tbl_offset]);
371 unicast_reg &= (0xFF << (8 * reg_offset));
372 unicast_reg |= ((0x01 | (RXUQ << 1)) << (8 * reg_offset));
373 MVGBE_REG_WR(regs->dfut[tbl_offset], unicast_reg);
382 * port_uc_addr_set - This function Set the port Unicast address.
384 static void port_uc_addr_set(struct mvgbe_device *dmvgbe, u8 *p_addr)
386 struct mvgbe_registers *regs = dmvgbe->regs;
390 mac_l = (p_addr[4] << 8) | (p_addr[5]);
391 mac_h = (p_addr[0] << 24) | (p_addr[1] << 16) | (p_addr[2] << 8) |
394 MVGBE_REG_WR(regs->macal, mac_l);
395 MVGBE_REG_WR(regs->macah, mac_h);
397 /* Accept frames of this address */
398 port_uc_addr(regs, p_addr[5], ACCEPT_MAC_ADDR);
402 * mvgbe_init_rx_desc_ring - Curve a Rx chain desc list and buffer in memory.
404 static void mvgbe_init_rx_desc_ring(struct mvgbe_device *dmvgbe)
406 struct mvgbe_rxdesc *p_rx_desc;
409 /* initialize the Rx descriptors ring */
410 p_rx_desc = dmvgbe->p_rxdesc;
411 for (i = 0; i < RINGSZ; i++) {
413 MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_EN_INTERRUPT;
414 p_rx_desc->buf_size = PKTSIZE_ALIGN;
415 p_rx_desc->byte_cnt = 0;
416 p_rx_desc->buf_ptr = dmvgbe->p_rxbuf + i * PKTSIZE_ALIGN;
417 if (i == (RINGSZ - 1))
418 p_rx_desc->nxtdesc_p = dmvgbe->p_rxdesc;
420 p_rx_desc->nxtdesc_p = (struct mvgbe_rxdesc *)
421 ((u32) p_rx_desc + MV_RXQ_DESC_ALIGNED_SIZE);
422 p_rx_desc = p_rx_desc->nxtdesc_p;
425 dmvgbe->p_rxdesc_curr = dmvgbe->p_rxdesc;
428 static int __mvgbe_init(struct mvgbe_device *dmvgbe, u8 *enetaddr,
431 struct mvgbe_registers *regs = dmvgbe->regs;
432 #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \
433 !defined(CONFIG_PHYLIB) && \
434 !defined(CONFIG_DM_ETH) && \
435 defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
439 mvgbe_init_rx_desc_ring(dmvgbe);
441 /* Clear the ethernet port interrupts */
442 MVGBE_REG_WR(regs->ic, 0);
443 MVGBE_REG_WR(regs->ice, 0);
444 /* Unmask RX buffer and TX end interrupt */
445 MVGBE_REG_WR(regs->pim, INT_CAUSE_UNMASK_ALL);
446 /* Unmask phy and link status changes interrupts */
447 MVGBE_REG_WR(regs->peim, INT_CAUSE_UNMASK_ALL_EXT);
449 set_dram_access(regs);
450 port_init_mac_tables(regs);
451 port_uc_addr_set(dmvgbe, enetaddr);
453 /* Assign port configuration and command. */
454 MVGBE_REG_WR(regs->pxc, PRT_CFG_VAL);
455 MVGBE_REG_WR(regs->pxcx, PORT_CFG_EXTEND_VALUE);
456 MVGBE_REG_WR(regs->psc0, PORT_SERIAL_CONTROL_VALUE);
458 /* Assign port SDMA configuration */
459 MVGBE_REG_WR(regs->sdc, PORT_SDMA_CFG_VALUE);
460 MVGBE_REG_WR(regs->tqx[0].qxttbc, QTKNBKT_DEF_VAL);
461 MVGBE_REG_WR(regs->tqx[0].tqxtbc,
462 (QMTBS_DEF_VAL << 16) | QTKNRT_DEF_VAL);
463 /* Turn off the port/RXUQ bandwidth limitation */
464 MVGBE_REG_WR(regs->pmtu, 0);
466 /* Set maximum receive buffer to 9700 bytes */
467 MVGBE_REG_WR(regs->psc0, MVGBE_MAX_RX_PACKET_9700BYTE
468 | (MVGBE_REG_RD(regs->psc0) & MRU_MASK));
470 /* Enable port initially */
471 MVGBE_REG_BITS_SET(regs->psc0, MVGBE_SERIAL_PORT_EN);
474 * Set ethernet MTU for leaky bucket mechanism to 0 - this will
475 * disable the leaky bucket mechanism .
477 MVGBE_REG_WR(regs->pmtu, 0);
479 /* Assignment of Rx CRDB of given RXUQ */
480 MVGBE_REG_WR(regs->rxcdp[RXUQ], (u32) dmvgbe->p_rxdesc_curr);
481 /* ensure previous write is done before enabling Rx DMA */
483 /* Enable port Rx. */
484 MVGBE_REG_WR(regs->rqc, (1 << RXUQ));
486 #if (defined(CONFIG_MII) || defined(CONFIG_CMD_MII)) && \
487 !defined(CONFIG_PHYLIB) && \
488 !defined(CONFIG_DM_ETH) && \
489 defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN)
490 /* Wait up to 5s for the link status */
491 for (i = 0; i < 5; i++) {
494 miiphy_read(name, MV_PHY_ADR_REQUEST,
495 MV_PHY_ADR_REQUEST, &phyadr);
496 /* Return if we get link up */
497 if (miiphy_link(name, phyadr))
502 printf("No link on %s\n", name);
508 #ifndef CONFIG_DM_ETH
509 static int mvgbe_init(struct eth_device *dev)
511 struct mvgbe_device *dmvgbe = to_mvgbe(dev);
513 return __mvgbe_init(dmvgbe, dmvgbe->dev.enetaddr, dmvgbe->dev.name);
517 static void __mvgbe_halt(struct mvgbe_device *dmvgbe)
519 struct mvgbe_registers *regs = dmvgbe->regs;
521 /* Disable all gigE address decoder */
522 MVGBE_REG_WR(regs->bare, 0x3f);
524 stop_queue(®s->tqc);
525 stop_queue(®s->rqc);
528 MVGBE_REG_BITS_RESET(regs->psc0, MVGBE_SERIAL_PORT_EN);
529 /* Set port is not reset */
530 MVGBE_REG_BITS_RESET(regs->psc1, 1 << 4);
531 #ifdef CONFIG_SYS_MII_MODE
532 /* Set MMI interface up */
533 MVGBE_REG_BITS_RESET(regs->psc1, 1 << 3);
535 /* Disable & mask ethernet port interrupts */
536 MVGBE_REG_WR(regs->ic, 0);
537 MVGBE_REG_WR(regs->ice, 0);
538 MVGBE_REG_WR(regs->pim, 0);
539 MVGBE_REG_WR(regs->peim, 0);
542 #ifndef CONFIG_DM_ETH
543 static int mvgbe_halt(struct eth_device *dev)
545 struct mvgbe_device *dmvgbe = to_mvgbe(dev);
547 __mvgbe_halt(dmvgbe);
554 static int mvgbe_write_hwaddr(struct udevice *dev)
556 struct eth_pdata *pdata = dev_get_platdata(dev);
558 port_uc_addr_set(dev_get_priv(dev), pdata->enetaddr);
563 static int mvgbe_write_hwaddr(struct eth_device *dev)
565 struct mvgbe_device *dmvgbe = to_mvgbe(dev);
567 /* Programs net device MAC address after initialization */
568 port_uc_addr_set(dmvgbe, dmvgbe->dev.enetaddr);
573 static int __mvgbe_send(struct mvgbe_device *dmvgbe, void *dataptr,
576 struct mvgbe_registers *regs = dmvgbe->regs;
577 struct mvgbe_txdesc *p_txdesc = dmvgbe->p_txdesc;
578 void *p = (void *)dataptr;
582 /* Copy buffer if it's misaligned */
583 if ((u32) dataptr & 0x07) {
584 if (datasize > PKTSIZE_ALIGN) {
585 printf("Non-aligned data too large (%d)\n",
590 memcpy(dmvgbe->p_aligned_txbuf, p, datasize);
591 p = dmvgbe->p_aligned_txbuf;
594 p_txdesc->cmd_sts = MVGBE_ZERO_PADDING | MVGBE_GEN_CRC;
595 p_txdesc->cmd_sts |= MVGBE_TX_FIRST_DESC | MVGBE_TX_LAST_DESC;
596 p_txdesc->cmd_sts |= MVGBE_BUFFER_OWNED_BY_DMA;
597 p_txdesc->cmd_sts |= MVGBE_TX_EN_INTERRUPT;
598 p_txdesc->buf_ptr = (u8 *) p;
599 p_txdesc->byte_cnt = datasize;
601 /* Set this tc desc as zeroth TXUQ */
602 txuq0_reg_addr = (u32)®s->tcqdp[TXUQ];
603 writel((u32) p_txdesc, txuq0_reg_addr);
605 /* ensure tx desc writes above are performed before we start Tx DMA */
608 /* Apply send command using zeroth TXUQ */
609 MVGBE_REG_WR(regs->tqc, (1 << TXUQ));
612 * wait for packet xmit completion
614 cmd_sts = readl(&p_txdesc->cmd_sts);
615 while (cmd_sts & MVGBE_BUFFER_OWNED_BY_DMA) {
616 /* return fail if error is detected */
617 if ((cmd_sts & (MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME)) ==
618 (MVGBE_ERROR_SUMMARY | MVGBE_TX_LAST_FRAME) &&
619 cmd_sts & (MVGBE_UR_ERROR | MVGBE_RL_ERROR)) {
620 printf("Err..(%s) in xmit packet\n", __func__);
623 cmd_sts = readl(&p_txdesc->cmd_sts);
628 #ifndef CONFIG_DM_ETH
629 static int mvgbe_send(struct eth_device *dev, void *dataptr, int datasize)
631 struct mvgbe_device *dmvgbe = to_mvgbe(dev);
633 return __mvgbe_send(dmvgbe, dataptr, datasize);
637 static int __mvgbe_recv(struct mvgbe_device *dmvgbe, uchar **packetp)
639 struct mvgbe_rxdesc *p_rxdesc_curr = dmvgbe->p_rxdesc_curr;
642 u32 rxdesc_curr_addr;
648 /* wait untill rx packet available or timeout */
650 if (timeout < MVGBE_PHY_SMI_TIMEOUT)
653 debug("%s time out...\n", __func__);
656 } while (readl(&p_rxdesc_curr->cmd_sts) & MVGBE_BUFFER_OWNED_BY_DMA);
658 if (p_rxdesc_curr->byte_cnt != 0) {
659 debug("%s: Received %d byte Packet @ 0x%x (cmd_sts= %08x)\n",
660 __func__, (u32) p_rxdesc_curr->byte_cnt,
661 (u32) p_rxdesc_curr->buf_ptr,
662 (u32) p_rxdesc_curr->cmd_sts);
666 * In case received a packet without first/last bits on
667 * OR the error summary bit is on,
668 * the packets needs to be dropeed.
670 cmd_sts = readl(&p_rxdesc_curr->cmd_sts);
673 (MVGBE_RX_FIRST_DESC | MVGBE_RX_LAST_DESC))
674 != (MVGBE_RX_FIRST_DESC | MVGBE_RX_LAST_DESC)) {
676 printf("Err..(%s) Dropping packet spread on"
677 " multiple descriptors\n", __func__);
679 } else if (cmd_sts & MVGBE_ERROR_SUMMARY) {
681 printf("Err..(%s) Dropping packet with errors\n",
685 /* !!! call higher layer processing */
686 debug("%s: Sending Received packet to"
687 " upper layer (net_process_received_packet)\n",
690 data = (p_rxdesc_curr->buf_ptr + RX_BUF_OFFSET);
691 rx_bytes = (int)(p_rxdesc_curr->byte_cnt -
697 * free these descriptors and point next in the ring
699 p_rxdesc_curr->cmd_sts =
700 MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_EN_INTERRUPT;
701 p_rxdesc_curr->buf_size = PKTSIZE_ALIGN;
702 p_rxdesc_curr->byte_cnt = 0;
704 rxdesc_curr_addr = (u32)&dmvgbe->p_rxdesc_curr;
705 writel((unsigned)p_rxdesc_curr->nxtdesc_p, rxdesc_curr_addr);
710 #ifndef CONFIG_DM_ETH
711 static int mvgbe_recv(struct eth_device *dev)
713 struct mvgbe_device *dmvgbe = to_mvgbe(dev);
717 ret = __mvgbe_recv(dmvgbe, &packet);
721 net_process_received_packet(packet, ret);
727 #if defined(CONFIG_PHYLIB) || defined(CONFIG_DM_ETH)
728 #if defined(CONFIG_DM_ETH)
729 static struct phy_device *__mvgbe_phy_init(struct udevice *dev,
731 phy_interface_t phy_interface,
734 static struct phy_device *__mvgbe_phy_init(struct eth_device *dev,
736 phy_interface_t phy_interface,
740 struct phy_device *phydev;
742 /* Set phy address of the port */
743 miiphy_write(dev->name, MV_PHY_ADR_REQUEST, MV_PHY_ADR_REQUEST,
746 phydev = phy_connect(bus, phyid, dev, phy_interface);
748 printf("phy_connect failed\n");
757 #endif /* CONFIG_PHYLIB || CONFIG_DM_ETH */
759 #if defined(CONFIG_PHYLIB) && !defined(CONFIG_DM_ETH)
760 int mvgbe_phylib_init(struct eth_device *dev, int phyid)
763 struct phy_device *phydev;
768 printf("mdio_alloc failed\n");
771 bus->read = smi_reg_read;
772 bus->write = smi_reg_write;
773 strcpy(bus->name, dev->name);
775 ret = mdio_register(bus);
777 printf("mdio_register failed\n");
782 phydev = __mvgbe_phy_init(dev, bus, PHY_INTERFACE_MODE_RGMII, phyid);
790 static int mvgbe_alloc_buffers(struct mvgbe_device *dmvgbe)
792 dmvgbe->p_rxdesc = memalign(PKTALIGN,
793 MV_RXQ_DESC_ALIGNED_SIZE * RINGSZ + 1);
794 if (!dmvgbe->p_rxdesc)
797 dmvgbe->p_rxbuf = memalign(PKTALIGN,
798 RINGSZ * PKTSIZE_ALIGN + 1);
799 if (!dmvgbe->p_rxbuf)
802 dmvgbe->p_aligned_txbuf = memalign(8, PKTSIZE_ALIGN);
803 if (!dmvgbe->p_aligned_txbuf)
806 dmvgbe->p_txdesc = memalign(PKTALIGN, sizeof(struct mvgbe_txdesc) + 1);
807 if (!dmvgbe->p_txdesc)
813 free(dmvgbe->p_aligned_txbuf);
815 free(dmvgbe->p_rxbuf);
817 free(dmvgbe->p_rxdesc);
822 #ifndef CONFIG_DM_ETH
823 int mvgbe_initialize(bd_t *bis)
825 struct mvgbe_device *dmvgbe;
826 struct eth_device *dev;
829 u8 used_ports[MAX_MVGBE_DEVS] = CONFIG_MVGBE_PORTS;
831 for (devnum = 0; devnum < MAX_MVGBE_DEVS; devnum++) {
832 /*skip if port is configured not to use */
833 if (used_ports[devnum] == 0)
836 dmvgbe = malloc(sizeof(struct mvgbe_device));
840 memset(dmvgbe, 0, sizeof(struct mvgbe_device));
841 ret = mvgbe_alloc_buffers(dmvgbe);
843 printf("Err.. %s Failed to allocate memory\n",
851 /* must be less than sizeof(dev->name) */
852 sprintf(dev->name, "egiga%d", devnum);
856 dmvgbe->regs = (void *)MVGBE0_BASE;
858 #if defined(MVGBE1_BASE)
860 dmvgbe->regs = (void *)MVGBE1_BASE;
863 default: /* this should never happen */
864 printf("Err..(%s) Invalid device number %d\n",
869 dev->init = (void *)mvgbe_init;
870 dev->halt = (void *)mvgbe_halt;
871 dev->send = (void *)mvgbe_send;
872 dev->recv = (void *)mvgbe_recv;
873 dev->write_hwaddr = (void *)mvgbe_write_hwaddr;
877 #if defined(CONFIG_PHYLIB)
878 mvgbe_phylib_init(dev, PHY_BASE_ADR + devnum);
879 #elif defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
881 struct mii_dev *mdiodev = mdio_alloc();
884 strncpy(mdiodev->name, dev->name, MDIO_NAME_LEN);
885 mdiodev->read = smi_reg_read;
886 mdiodev->write = smi_reg_write;
888 retval = mdio_register(mdiodev);
891 /* Set phy address of the port */
892 miiphy_write(dev->name, MV_PHY_ADR_REQUEST,
893 MV_PHY_ADR_REQUEST, PHY_BASE_ADR + devnum);
901 static int mvgbe_port_is_fixed_link(struct mvgbe_device *dmvgbe)
903 return dmvgbe->phyaddr > PHY_MAX_ADDR;
906 static int mvgbe_start(struct udevice *dev)
908 struct eth_pdata *pdata = dev_get_platdata(dev);
909 struct mvgbe_device *dmvgbe = dev_get_priv(dev);
912 ret = __mvgbe_init(dmvgbe, pdata->enetaddr, dev->name);
916 if (!mvgbe_port_is_fixed_link(dmvgbe)) {
917 dmvgbe->phydev = __mvgbe_phy_init(dev, dmvgbe->bus,
918 dmvgbe->phy_interface,
927 static int mvgbe_send(struct udevice *dev, void *packet, int length)
929 struct mvgbe_device *dmvgbe = dev_get_priv(dev);
931 return __mvgbe_send(dmvgbe, packet, length);
934 static int mvgbe_recv(struct udevice *dev, int flags, uchar **packetp)
936 struct mvgbe_device *dmvgbe = dev_get_priv(dev);
938 return __mvgbe_recv(dmvgbe, packetp);
941 static void mvgbe_stop(struct udevice *dev)
943 struct mvgbe_device *dmvgbe = dev_get_priv(dev);
945 __mvgbe_halt(dmvgbe);
948 static int mvgbe_probe(struct udevice *dev)
950 struct eth_pdata *pdata = dev_get_platdata(dev);
951 struct mvgbe_device *dmvgbe = dev_get_priv(dev);
955 ret = mvgbe_alloc_buffers(dmvgbe);
959 dmvgbe->regs = (void __iomem *)pdata->iobase;
963 printf("Failed to allocate MDIO bus\n");
967 bus->read = smi_reg_read;
968 bus->write = smi_reg_write;
969 snprintf(bus->name, sizeof(bus->name), dev->name);
973 ret = mdio_register(bus);
980 static const struct eth_ops mvgbe_ops = {
981 .start = mvgbe_start,
985 .write_hwaddr = mvgbe_write_hwaddr,
988 static int mvgbe_ofdata_to_platdata(struct udevice *dev)
990 struct eth_pdata *pdata = dev_get_platdata(dev);
991 struct mvgbe_device *dmvgbe = dev_get_priv(dev);
992 void *blob = (void *)gd->fdt_blob;
993 int node = dev_of_offset(dev);
994 const char *phy_mode;
999 pdata->iobase = devfdt_get_addr(dev);
1000 pdata->phy_interface = -1;
1002 pnode = fdt_node_offset_by_compatible(blob, node,
1003 "marvell,kirkwood-eth-port");
1005 /* Get phy-mode / phy_interface from DT */
1006 phy_mode = fdt_getprop(gd->fdt_blob, pnode, "phy-mode", NULL);
1008 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
1010 pdata->phy_interface = PHY_INTERFACE_MODE_GMII;
1012 dmvgbe->phy_interface = pdata->phy_interface;
1014 /* fetch 'fixed-link' property */
1015 fl_node = fdt_subnode_offset(blob, pnode, "fixed-link");
1016 if (fl_node != -FDT_ERR_NOTFOUND) {
1017 /* set phy_addr to invalid value for fixed link */
1018 dmvgbe->phyaddr = PHY_MAX_ADDR + 1;
1019 dmvgbe->duplex = fdtdec_get_bool(blob, fl_node, "full-duplex");
1020 dmvgbe->speed = fdtdec_get_int(blob, fl_node, "speed", 0);
1022 /* Now read phyaddr from DT */
1023 addr = fdtdec_lookup_phandle(blob, pnode, "phy-handle");
1025 dmvgbe->phyaddr = fdtdec_get_int(blob, addr, "reg", 0);
1031 static const struct udevice_id mvgbe_ids[] = {
1032 { .compatible = "marvell,kirkwood-eth" },
1036 U_BOOT_DRIVER(mvgbe) = {
1039 .of_match = mvgbe_ids,
1040 .ofdata_to_platdata = mvgbe_ofdata_to_platdata,
1041 .probe = mvgbe_probe,
1043 .priv_auto_alloc_size = sizeof(struct mvgbe_device),
1044 .platdata_auto_alloc_size = sizeof(struct eth_pdata),
1046 #endif /* CONFIG_DM_ETH */