2 * (C) Copyright 2011 Michal Simek
4 * Michal SIMEK <monstr@monstr.eu>
6 * Based on Xilinx gmac driver:
7 * (C) Copyright 2011 Xilinx
9 * SPDX-License-Identifier: GPL-2.0+
24 #include <asm/system.h>
25 #include <asm/arch/hardware.h>
26 #include <asm/arch/sys_proto.h>
27 #include <asm-generic/errno.h>
29 DECLARE_GLOBAL_DATA_PTR;
31 /* Bit/mask specification */
32 #define ZYNQ_GEM_PHYMNTNC_OP_MASK 0x40020000 /* operation mask bits */
33 #define ZYNQ_GEM_PHYMNTNC_OP_R_MASK 0x20000000 /* read operation */
34 #define ZYNQ_GEM_PHYMNTNC_OP_W_MASK 0x10000000 /* write operation */
35 #define ZYNQ_GEM_PHYMNTNC_PHYAD_SHIFT_MASK 23 /* Shift bits for PHYAD */
36 #define ZYNQ_GEM_PHYMNTNC_PHREG_SHIFT_MASK 18 /* Shift bits for PHREG */
38 #define ZYNQ_GEM_RXBUF_EOF_MASK 0x00008000 /* End of frame. */
39 #define ZYNQ_GEM_RXBUF_SOF_MASK 0x00004000 /* Start of frame. */
40 #define ZYNQ_GEM_RXBUF_LEN_MASK 0x00003FFF /* Mask for length field */
42 #define ZYNQ_GEM_RXBUF_WRAP_MASK 0x00000002 /* Wrap bit, last BD */
43 #define ZYNQ_GEM_RXBUF_NEW_MASK 0x00000001 /* Used bit.. */
44 #define ZYNQ_GEM_RXBUF_ADD_MASK 0xFFFFFFFC /* Mask for address */
46 /* Wrap bit, last descriptor */
47 #define ZYNQ_GEM_TXBUF_WRAP_MASK 0x40000000
48 #define ZYNQ_GEM_TXBUF_LAST_MASK 0x00008000 /* Last buffer */
49 #define ZYNQ_GEM_TXBUF_USED_MASK 0x80000000 /* Used by Hw */
51 #define ZYNQ_GEM_NWCTRL_TXEN_MASK 0x00000008 /* Enable transmit */
52 #define ZYNQ_GEM_NWCTRL_RXEN_MASK 0x00000004 /* Enable receive */
53 #define ZYNQ_GEM_NWCTRL_MDEN_MASK 0x00000010 /* Enable MDIO port */
54 #define ZYNQ_GEM_NWCTRL_STARTTX_MASK 0x00000200 /* Start tx (tx_go) */
56 #define ZYNQ_GEM_NWCFG_SPEED100 0x000000001 /* 100 Mbps operation */
57 #define ZYNQ_GEM_NWCFG_SPEED1000 0x000000400 /* 1Gbps operation */
58 #define ZYNQ_GEM_NWCFG_FDEN 0x000000002 /* Full Duplex mode */
59 #define ZYNQ_GEM_NWCFG_FSREM 0x000020000 /* FCS removal */
61 #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x000100000 /* Div pclk by 64, max 160MHz */
63 #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x0000c0000 /* Div pclk by 48, max 120MHz */
67 # define ZYNQ_GEM_DBUS_WIDTH (1 << 21) /* 64 bit bus */
69 # define ZYNQ_GEM_DBUS_WIDTH (0 << 21) /* 32 bit bus */
72 #define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_DBUS_WIDTH | \
73 ZYNQ_GEM_NWCFG_FDEN | \
74 ZYNQ_GEM_NWCFG_FSREM | \
75 ZYNQ_GEM_NWCFG_MDCCLKDIV)
77 #define ZYNQ_GEM_NWSR_MDIOIDLE_MASK 0x00000004 /* PHY management idle */
79 #define ZYNQ_GEM_DMACR_BLENGTH 0x00000004 /* INCR4 AHB bursts */
80 /* Use full configured addressable space (8 Kb) */
81 #define ZYNQ_GEM_DMACR_RXSIZE 0x00000300
82 /* Use full configured addressable space (4 Kb) */
83 #define ZYNQ_GEM_DMACR_TXSIZE 0x00000400
84 /* Set with binary 00011000 to use 1536 byte(1*max length frame/buffer) */
85 #define ZYNQ_GEM_DMACR_RXBUF 0x00180000
87 #define ZYNQ_GEM_DMACR_INIT (ZYNQ_GEM_DMACR_BLENGTH | \
88 ZYNQ_GEM_DMACR_RXSIZE | \
89 ZYNQ_GEM_DMACR_TXSIZE | \
92 #define ZYNQ_GEM_TSR_DONE 0x00000020 /* Tx done mask */
94 /* Use MII register 1 (MII status register) to detect PHY */
95 #define PHY_DETECT_REG 1
97 /* Mask used to verify certain PHY features (or register contents)
98 * in the register above:
99 * 0x1000: 10Mbps full duplex support
100 * 0x0800: 10Mbps half duplex support
101 * 0x0008: Auto-negotiation support
103 #define PHY_DETECT_MASK 0x1808
105 /* TX BD status masks */
106 #define ZYNQ_GEM_TXBUF_FRMLEN_MASK 0x000007ff
107 #define ZYNQ_GEM_TXBUF_EXHAUSTED 0x08000000
108 #define ZYNQ_GEM_TXBUF_UNDERRUN 0x10000000
110 /* Clock frequencies for different speeds */
111 #define ZYNQ_GEM_FREQUENCY_10 2500000UL
112 #define ZYNQ_GEM_FREQUENCY_100 25000000UL
113 #define ZYNQ_GEM_FREQUENCY_1000 125000000UL
115 /* Device registers */
116 struct zynq_gem_regs {
117 u32 nwctrl; /* 0x0 - Network Control reg */
118 u32 nwcfg; /* 0x4 - Network Config reg */
119 u32 nwsr; /* 0x8 - Network Status reg */
121 u32 dmacr; /* 0x10 - DMA Control reg */
122 u32 txsr; /* 0x14 - TX Status reg */
123 u32 rxqbase; /* 0x18 - RX Q Base address reg */
124 u32 txqbase; /* 0x1c - TX Q Base address reg */
125 u32 rxsr; /* 0x20 - RX Status reg */
127 u32 idr; /* 0x2c - Interrupt Disable reg */
129 u32 phymntnc; /* 0x34 - Phy Maintaince reg */
131 u32 hashl; /* 0x80 - Hash Low address reg */
132 u32 hashh; /* 0x84 - Hash High address reg */
135 u32 laddr[4][LADDR_HIGH + 1]; /* 0x8c - Specific1 addr low/high reg */
136 u32 match[4]; /* 0xa8 - Type ID1 Match reg */
139 u32 stat[STAT_SIZE]; /* 0x100 - Octects transmitted Low reg */
141 u32 transmit_q1_ptr; /* 0x440 - Transmit priority queue 1 */
143 u32 receive_q1_ptr; /* 0x480 - Receive priority queue 1 */
148 u32 addr; /* Next descriptor pointer */
153 /* Page table entries are set to 1MB, or multiples of 1MB
154 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
156 #define BD_SPACE 0x100000
157 /* BD separation space */
158 #define BD_SEPRN_SPACE (RX_BUF * sizeof(struct emac_bd))
160 /* Setup the first free TX descriptor */
161 #define TX_FREE_DESC 2
163 /* Initialized, rxbd_current, rx_first_buf must be 0 after init */
164 struct zynq_gem_priv {
165 struct emac_bd *tx_bd;
166 struct emac_bd *rx_bd;
173 struct zynq_gem_regs *iobase;
174 phy_interface_t interface;
175 struct phy_device *phydev;
179 static inline int mdio_wait(struct zynq_gem_regs *regs)
183 /* Wait till MDIO interface is ready to accept a new transaction. */
185 if (readl(®s->nwsr) & ZYNQ_GEM_NWSR_MDIOIDLE_MASK)
191 printf("%s: Timeout\n", __func__);
198 static u32 phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
202 struct zynq_gem_regs *regs = priv->iobase;
207 /* Construct mgtcr mask for the operation */
208 mgtcr = ZYNQ_GEM_PHYMNTNC_OP_MASK | op |
209 (phy_addr << ZYNQ_GEM_PHYMNTNC_PHYAD_SHIFT_MASK) |
210 (regnum << ZYNQ_GEM_PHYMNTNC_PHREG_SHIFT_MASK) | *data;
212 /* Write mgtcr and wait for completion */
213 writel(mgtcr, ®s->phymntnc);
218 if (op == ZYNQ_GEM_PHYMNTNC_OP_R_MASK)
219 *data = readl(®s->phymntnc);
224 static u32 phyread(struct zynq_gem_priv *priv, u32 phy_addr,
225 u32 regnum, u16 *val)
229 ret = phy_setup_op(priv, phy_addr, regnum,
230 ZYNQ_GEM_PHYMNTNC_OP_R_MASK, val);
233 debug("%s: phy_addr %d, regnum 0x%x, val 0x%x\n", __func__,
234 phy_addr, regnum, *val);
239 static u32 phywrite(struct zynq_gem_priv *priv, u32 phy_addr,
240 u32 regnum, u16 data)
242 debug("%s: phy_addr %d, regnum 0x%x, data 0x%x\n", __func__, phy_addr,
245 return phy_setup_op(priv, phy_addr, regnum,
246 ZYNQ_GEM_PHYMNTNC_OP_W_MASK, &data);
249 static int phy_detection(struct udevice *dev)
253 struct zynq_gem_priv *priv = dev->priv;
255 if (priv->phyaddr != -1) {
256 phyread(priv, priv->phyaddr, PHY_DETECT_REG, &phyreg);
257 if ((phyreg != 0xFFFF) &&
258 ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
259 /* Found a valid PHY address */
260 debug("Default phy address %d is valid\n",
264 debug("PHY address is not setup correctly %d\n",
270 debug("detecting phy address\n");
271 if (priv->phyaddr == -1) {
272 /* detect the PHY address */
273 for (i = 31; i >= 0; i--) {
274 phyread(priv, i, PHY_DETECT_REG, &phyreg);
275 if ((phyreg != 0xFFFF) &&
276 ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
277 /* Found a valid PHY address */
279 debug("Found valid phy address, %d\n", i);
284 printf("PHY is not detected\n");
288 static int zynq_gem_setup_mac(struct udevice *dev)
290 u32 i, macaddrlow, macaddrhigh;
291 struct eth_pdata *pdata = dev_get_platdata(dev);
292 struct zynq_gem_priv *priv = dev_get_priv(dev);
293 struct zynq_gem_regs *regs = priv->iobase;
295 /* Set the MAC bits [31:0] in BOT */
296 macaddrlow = pdata->enetaddr[0];
297 macaddrlow |= pdata->enetaddr[1] << 8;
298 macaddrlow |= pdata->enetaddr[2] << 16;
299 macaddrlow |= pdata->enetaddr[3] << 24;
301 /* Set MAC bits [47:32] in TOP */
302 macaddrhigh = pdata->enetaddr[4];
303 macaddrhigh |= pdata->enetaddr[5] << 8;
305 for (i = 0; i < 4; i++) {
306 writel(0, ®s->laddr[i][LADDR_LOW]);
307 writel(0, ®s->laddr[i][LADDR_HIGH]);
308 /* Do not use MATCHx register */
309 writel(0, ®s->match[i]);
312 writel(macaddrlow, ®s->laddr[0][LADDR_LOW]);
313 writel(macaddrhigh, ®s->laddr[0][LADDR_HIGH]);
318 static int zynq_phy_init(struct udevice *dev)
321 struct zynq_gem_priv *priv = dev_get_priv(dev);
322 struct zynq_gem_regs *regs = priv->iobase;
323 const u32 supported = SUPPORTED_10baseT_Half |
324 SUPPORTED_10baseT_Full |
325 SUPPORTED_100baseT_Half |
326 SUPPORTED_100baseT_Full |
327 SUPPORTED_1000baseT_Half |
328 SUPPORTED_1000baseT_Full;
330 /* Enable only MDIO bus */
331 writel(ZYNQ_GEM_NWCTRL_MDEN_MASK, ®s->nwctrl);
333 ret = phy_detection(dev);
335 printf("GEM PHY init failed\n");
339 priv->phydev = phy_connect(priv->bus, priv->phyaddr, dev,
344 priv->phydev->supported = supported | ADVERTISED_Pause |
345 ADVERTISED_Asym_Pause;
346 priv->phydev->advertising = priv->phydev->supported;
347 phy_config(priv->phydev);
352 static int zynq_gem_init(struct udevice *dev)
355 unsigned long clk_rate = 0;
356 struct zynq_gem_priv *priv = dev_get_priv(dev);
357 struct zynq_gem_regs *regs = priv->iobase;
358 struct emac_bd *dummy_tx_bd = &priv->tx_bd[TX_FREE_DESC];
359 struct emac_bd *dummy_rx_bd = &priv->tx_bd[TX_FREE_DESC + 2];
362 /* Disable all interrupts */
363 writel(0xFFFFFFFF, ®s->idr);
365 /* Disable the receiver & transmitter */
366 writel(0, ®s->nwctrl);
367 writel(0, ®s->txsr);
368 writel(0, ®s->rxsr);
369 writel(0, ®s->phymntnc);
371 /* Clear the Hash registers for the mac address
372 * pointed by AddressPtr
374 writel(0x0, ®s->hashl);
375 /* Write bits [63:32] in TOP */
376 writel(0x0, ®s->hashh);
378 /* Clear all counters */
379 for (i = 0; i < STAT_SIZE; i++)
380 readl(®s->stat[i]);
382 /* Setup RxBD space */
383 memset(priv->rx_bd, 0, RX_BUF * sizeof(struct emac_bd));
385 for (i = 0; i < RX_BUF; i++) {
386 priv->rx_bd[i].status = 0xF0000000;
387 priv->rx_bd[i].addr =
388 ((ulong)(priv->rxbuffers) +
389 (i * PKTSIZE_ALIGN));
391 /* WRAP bit to last BD */
392 priv->rx_bd[--i].addr |= ZYNQ_GEM_RXBUF_WRAP_MASK;
393 /* Write RxBDs to IP */
394 writel((ulong)priv->rx_bd, ®s->rxqbase);
396 /* Setup for DMA Configuration register */
397 writel(ZYNQ_GEM_DMACR_INIT, ®s->dmacr);
399 /* Setup for Network Control register, MDIO, Rx and Tx enable */
400 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_MDEN_MASK);
402 /* Disable the second priority queue */
403 dummy_tx_bd->addr = 0;
404 dummy_tx_bd->status = ZYNQ_GEM_TXBUF_WRAP_MASK |
405 ZYNQ_GEM_TXBUF_LAST_MASK|
406 ZYNQ_GEM_TXBUF_USED_MASK;
408 dummy_rx_bd->addr = ZYNQ_GEM_RXBUF_WRAP_MASK |
409 ZYNQ_GEM_RXBUF_NEW_MASK;
410 dummy_rx_bd->status = 0;
411 flush_dcache_range((ulong)&dummy_tx_bd, (ulong)&dummy_tx_bd +
412 sizeof(dummy_tx_bd));
413 flush_dcache_range((ulong)&dummy_rx_bd, (ulong)&dummy_rx_bd +
414 sizeof(dummy_rx_bd));
416 writel((ulong)dummy_tx_bd, ®s->transmit_q1_ptr);
417 writel((ulong)dummy_rx_bd, ®s->receive_q1_ptr);
422 phy_startup(priv->phydev);
424 if (!priv->phydev->link) {
425 printf("%s: No link.\n", priv->phydev->dev->name);
429 switch (priv->phydev->speed) {
431 writel(ZYNQ_GEM_NWCFG_INIT | ZYNQ_GEM_NWCFG_SPEED1000,
433 clk_rate = ZYNQ_GEM_FREQUENCY_1000;
436 writel(ZYNQ_GEM_NWCFG_INIT | ZYNQ_GEM_NWCFG_SPEED100,
438 clk_rate = ZYNQ_GEM_FREQUENCY_100;
441 clk_rate = ZYNQ_GEM_FREQUENCY_10;
445 /* Change the rclk and clk only not using EMIO interface */
447 zynq_slcr_gem_clk_setup((ulong)priv->iobase !=
448 ZYNQ_GEM_BASEADDR0, clk_rate);
450 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_RXEN_MASK |
451 ZYNQ_GEM_NWCTRL_TXEN_MASK);
456 static int zynq_gem_send(struct udevice *dev, void *ptr, int len)
459 struct zynq_gem_priv *priv = dev_get_priv(dev);
460 struct zynq_gem_regs *regs = priv->iobase;
461 struct emac_bd *current_bd = &priv->tx_bd[1];
464 memset(priv->tx_bd, 0, sizeof(struct emac_bd));
466 priv->tx_bd->addr = (ulong)ptr;
467 priv->tx_bd->status = (len & ZYNQ_GEM_TXBUF_FRMLEN_MASK) |
468 ZYNQ_GEM_TXBUF_LAST_MASK;
469 /* Dummy descriptor to mark it as the last in descriptor chain */
470 current_bd->addr = 0x0;
471 current_bd->status = ZYNQ_GEM_TXBUF_WRAP_MASK |
472 ZYNQ_GEM_TXBUF_LAST_MASK|
473 ZYNQ_GEM_TXBUF_USED_MASK;
476 writel((ulong)priv->tx_bd, ®s->txqbase);
479 addr &= ~(ARCH_DMA_MINALIGN - 1);
480 size = roundup(len, ARCH_DMA_MINALIGN);
481 flush_dcache_range(addr, addr + size);
483 addr = (ulong)priv->rxbuffers;
484 addr &= ~(ARCH_DMA_MINALIGN - 1);
485 size = roundup((RX_BUF * PKTSIZE_ALIGN), ARCH_DMA_MINALIGN);
486 flush_dcache_range(addr, addr + size);
490 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_STARTTX_MASK);
492 /* Read TX BD status */
493 if (priv->tx_bd->status & ZYNQ_GEM_TXBUF_EXHAUSTED)
494 printf("TX buffers exhausted in mid frame\n");
496 return wait_for_bit(__func__, ®s->txsr, ZYNQ_GEM_TSR_DONE,
500 /* Do not check frame_recd flag in rx_status register 0x20 - just poll BD */
501 static int zynq_gem_recv(struct udevice *dev, int flags, uchar **packetp)
505 struct zynq_gem_priv *priv = dev_get_priv(dev);
506 struct emac_bd *current_bd = &priv->rx_bd[priv->rxbd_current];
508 if (!(current_bd->addr & ZYNQ_GEM_RXBUF_NEW_MASK))
511 if (!(current_bd->status &
512 (ZYNQ_GEM_RXBUF_SOF_MASK | ZYNQ_GEM_RXBUF_EOF_MASK))) {
513 printf("GEM: SOF or EOF not set for last buffer received!\n");
517 frame_len = current_bd->status & ZYNQ_GEM_RXBUF_LEN_MASK;
519 printf("%s: Zero size packet?\n", __func__);
523 addr = current_bd->addr & ZYNQ_GEM_RXBUF_ADD_MASK;
524 addr &= ~(ARCH_DMA_MINALIGN - 1);
525 *packetp = (uchar *)(uintptr_t)addr;
530 static int zynq_gem_free_pkt(struct udevice *dev, uchar *packet, int length)
532 struct zynq_gem_priv *priv = dev_get_priv(dev);
533 struct emac_bd *current_bd = &priv->rx_bd[priv->rxbd_current];
534 struct emac_bd *first_bd;
536 if (current_bd->status & ZYNQ_GEM_RXBUF_SOF_MASK) {
537 priv->rx_first_buf = priv->rxbd_current;
539 current_bd->addr &= ~ZYNQ_GEM_RXBUF_NEW_MASK;
540 current_bd->status = 0xF0000000; /* FIXME */
543 if (current_bd->status & ZYNQ_GEM_RXBUF_EOF_MASK) {
544 first_bd = &priv->rx_bd[priv->rx_first_buf];
545 first_bd->addr &= ~ZYNQ_GEM_RXBUF_NEW_MASK;
546 first_bd->status = 0xF0000000;
549 if ((++priv->rxbd_current) >= RX_BUF)
550 priv->rxbd_current = 0;
555 static void zynq_gem_halt(struct udevice *dev)
557 struct zynq_gem_priv *priv = dev_get_priv(dev);
558 struct zynq_gem_regs *regs = priv->iobase;
560 clrsetbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_RXEN_MASK |
561 ZYNQ_GEM_NWCTRL_TXEN_MASK, 0);
564 static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr,
567 struct zynq_gem_priv *priv = bus->priv;
571 ret = phyread(priv, addr, reg, &val);
572 debug("%s 0x%x, 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, val, ret);
576 static int zynq_gem_miiphy_write(struct mii_dev *bus, int addr, int devad,
579 struct zynq_gem_priv *priv = bus->priv;
581 debug("%s 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, value);
582 return phywrite(priv, addr, reg, value);
585 static int zynq_gem_probe(struct udevice *dev)
588 struct zynq_gem_priv *priv = dev_get_priv(dev);
591 /* Align rxbuffers to ARCH_DMA_MINALIGN */
592 priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
593 memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);
595 /* Align bd_space to MMU_SECTION_SHIFT */
596 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
597 mmu_set_region_dcache_behaviour((phys_addr_t)bd_space,
598 BD_SPACE, DCACHE_OFF);
600 /* Initialize the bd spaces for tx and rx bd's */
601 priv->tx_bd = (struct emac_bd *)bd_space;
602 priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);
604 priv->bus = mdio_alloc();
605 priv->bus->read = zynq_gem_miiphy_read;
606 priv->bus->write = zynq_gem_miiphy_write;
607 priv->bus->priv = priv;
608 strcpy(priv->bus->name, "gem");
610 ret = mdio_register(priv->bus);
619 static int zynq_gem_remove(struct udevice *dev)
621 struct zynq_gem_priv *priv = dev_get_priv(dev);
624 mdio_unregister(priv->bus);
625 mdio_free(priv->bus);
630 static const struct eth_ops zynq_gem_ops = {
631 .start = zynq_gem_init,
632 .send = zynq_gem_send,
633 .recv = zynq_gem_recv,
634 .free_pkt = zynq_gem_free_pkt,
635 .stop = zynq_gem_halt,
636 .write_hwaddr = zynq_gem_setup_mac,
639 static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
641 struct eth_pdata *pdata = dev_get_platdata(dev);
642 struct zynq_gem_priv *priv = dev_get_priv(dev);
644 const char *phy_mode;
646 pdata->iobase = (phys_addr_t)dev_get_addr(dev);
647 priv->iobase = (struct zynq_gem_regs *)pdata->iobase;
648 /* Hardcode for now */
652 offset = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset,
655 priv->phyaddr = fdtdec_get_int(gd->fdt_blob, offset, "reg", -1);
657 phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
659 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
660 if (pdata->phy_interface == -1) {
661 debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
664 priv->interface = pdata->phy_interface;
666 printf("ZYNQ GEM: %lx, phyaddr %d, interface %s\n", (ulong)priv->iobase,
667 priv->phyaddr, phy_string_for_interface(priv->interface));
672 static const struct udevice_id zynq_gem_ids[] = {
673 { .compatible = "cdns,zynqmp-gem" },
674 { .compatible = "cdns,zynq-gem" },
675 { .compatible = "cdns,gem" },
679 U_BOOT_DRIVER(zynq_gem) = {
682 .of_match = zynq_gem_ids,
683 .ofdata_to_platdata = zynq_gem_ofdata_to_platdata,
684 .probe = zynq_gem_probe,
685 .remove = zynq_gem_remove,
686 .ops = &zynq_gem_ops,
687 .priv_auto_alloc_size = sizeof(struct zynq_gem_priv),
688 .platdata_auto_alloc_size = sizeof(struct eth_pdata),