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+
25 #include <asm/system.h>
26 #include <asm/arch/hardware.h>
27 #include <asm/arch/sys_proto.h>
28 #include <linux/errno.h>
30 DECLARE_GLOBAL_DATA_PTR;
32 /* Bit/mask specification */
33 #define ZYNQ_GEM_PHYMNTNC_OP_MASK 0x40020000 /* operation mask bits */
34 #define ZYNQ_GEM_PHYMNTNC_OP_R_MASK 0x20000000 /* read operation */
35 #define ZYNQ_GEM_PHYMNTNC_OP_W_MASK 0x10000000 /* write operation */
36 #define ZYNQ_GEM_PHYMNTNC_PHYAD_SHIFT_MASK 23 /* Shift bits for PHYAD */
37 #define ZYNQ_GEM_PHYMNTNC_PHREG_SHIFT_MASK 18 /* Shift bits for PHREG */
39 #define ZYNQ_GEM_RXBUF_EOF_MASK 0x00008000 /* End of frame. */
40 #define ZYNQ_GEM_RXBUF_SOF_MASK 0x00004000 /* Start of frame. */
41 #define ZYNQ_GEM_RXBUF_LEN_MASK 0x00003FFF /* Mask for length field */
43 #define ZYNQ_GEM_RXBUF_WRAP_MASK 0x00000002 /* Wrap bit, last BD */
44 #define ZYNQ_GEM_RXBUF_NEW_MASK 0x00000001 /* Used bit.. */
45 #define ZYNQ_GEM_RXBUF_ADD_MASK 0xFFFFFFFC /* Mask for address */
47 /* Wrap bit, last descriptor */
48 #define ZYNQ_GEM_TXBUF_WRAP_MASK 0x40000000
49 #define ZYNQ_GEM_TXBUF_LAST_MASK 0x00008000 /* Last buffer */
50 #define ZYNQ_GEM_TXBUF_USED_MASK 0x80000000 /* Used by Hw */
52 #define ZYNQ_GEM_NWCTRL_TXEN_MASK 0x00000008 /* Enable transmit */
53 #define ZYNQ_GEM_NWCTRL_RXEN_MASK 0x00000004 /* Enable receive */
54 #define ZYNQ_GEM_NWCTRL_MDEN_MASK 0x00000010 /* Enable MDIO port */
55 #define ZYNQ_GEM_NWCTRL_STARTTX_MASK 0x00000200 /* Start tx (tx_go) */
57 #define ZYNQ_GEM_NWCFG_SPEED100 0x00000001 /* 100 Mbps operation */
58 #define ZYNQ_GEM_NWCFG_SPEED1000 0x00000400 /* 1Gbps operation */
59 #define ZYNQ_GEM_NWCFG_FDEN 0x00000002 /* Full Duplex mode */
60 #define ZYNQ_GEM_NWCFG_FSREM 0x00020000 /* FCS removal */
61 #define ZYNQ_GEM_NWCFG_SGMII_ENBL 0x08000000 /* SGMII Enable */
62 #define ZYNQ_GEM_NWCFG_PCS_SEL 0x00000800 /* PCS select */
64 #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x00100000 /* Div pclk by 64, max 160MHz */
66 #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x000c0000 /* Div pclk by 48, max 120MHz */
70 # define ZYNQ_GEM_DBUS_WIDTH (1 << 21) /* 64 bit bus */
72 # define ZYNQ_GEM_DBUS_WIDTH (0 << 21) /* 32 bit bus */
75 #define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_DBUS_WIDTH | \
76 ZYNQ_GEM_NWCFG_FDEN | \
77 ZYNQ_GEM_NWCFG_FSREM | \
78 ZYNQ_GEM_NWCFG_MDCCLKDIV)
80 #define ZYNQ_GEM_NWSR_MDIOIDLE_MASK 0x00000004 /* PHY management idle */
82 #define ZYNQ_GEM_DMACR_BLENGTH 0x00000004 /* INCR4 AHB bursts */
83 /* Use full configured addressable space (8 Kb) */
84 #define ZYNQ_GEM_DMACR_RXSIZE 0x00000300
85 /* Use full configured addressable space (4 Kb) */
86 #define ZYNQ_GEM_DMACR_TXSIZE 0x00000400
87 /* Set with binary 00011000 to use 1536 byte(1*max length frame/buffer) */
88 #define ZYNQ_GEM_DMACR_RXBUF 0x00180000
90 #define ZYNQ_GEM_DMACR_INIT (ZYNQ_GEM_DMACR_BLENGTH | \
91 ZYNQ_GEM_DMACR_RXSIZE | \
92 ZYNQ_GEM_DMACR_TXSIZE | \
95 #define ZYNQ_GEM_TSR_DONE 0x00000020 /* Tx done mask */
97 #define ZYNQ_GEM_PCS_CTL_ANEG_ENBL 0x1000
99 /* Use MII register 1 (MII status register) to detect PHY */
100 #define PHY_DETECT_REG 1
102 /* Mask used to verify certain PHY features (or register contents)
103 * in the register above:
104 * 0x1000: 10Mbps full duplex support
105 * 0x0800: 10Mbps half duplex support
106 * 0x0008: Auto-negotiation support
108 #define PHY_DETECT_MASK 0x1808
110 /* TX BD status masks */
111 #define ZYNQ_GEM_TXBUF_FRMLEN_MASK 0x000007ff
112 #define ZYNQ_GEM_TXBUF_EXHAUSTED 0x08000000
113 #define ZYNQ_GEM_TXBUF_UNDERRUN 0x10000000
115 /* Clock frequencies for different speeds */
116 #define ZYNQ_GEM_FREQUENCY_10 2500000UL
117 #define ZYNQ_GEM_FREQUENCY_100 25000000UL
118 #define ZYNQ_GEM_FREQUENCY_1000 125000000UL
120 /* Device registers */
121 struct zynq_gem_regs {
122 u32 nwctrl; /* 0x0 - Network Control reg */
123 u32 nwcfg; /* 0x4 - Network Config reg */
124 u32 nwsr; /* 0x8 - Network Status reg */
126 u32 dmacr; /* 0x10 - DMA Control reg */
127 u32 txsr; /* 0x14 - TX Status reg */
128 u32 rxqbase; /* 0x18 - RX Q Base address reg */
129 u32 txqbase; /* 0x1c - TX Q Base address reg */
130 u32 rxsr; /* 0x20 - RX Status reg */
132 u32 idr; /* 0x2c - Interrupt Disable reg */
134 u32 phymntnc; /* 0x34 - Phy Maintaince reg */
136 u32 hashl; /* 0x80 - Hash Low address reg */
137 u32 hashh; /* 0x84 - Hash High address reg */
140 u32 laddr[4][LADDR_HIGH + 1]; /* 0x8c - Specific1 addr low/high reg */
141 u32 match[4]; /* 0xa8 - Type ID1 Match reg */
144 u32 stat[STAT_SIZE]; /* 0x100 - Octects transmitted Low reg */
148 u32 transmit_q1_ptr; /* 0x440 - Transmit priority queue 1 */
150 u32 receive_q1_ptr; /* 0x480 - Receive priority queue 1 */
155 u32 addr; /* Next descriptor pointer */
160 /* Page table entries are set to 1MB, or multiples of 1MB
161 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
163 #define BD_SPACE 0x100000
164 /* BD separation space */
165 #define BD_SEPRN_SPACE (RX_BUF * sizeof(struct emac_bd))
167 /* Setup the first free TX descriptor */
168 #define TX_FREE_DESC 2
170 /* Initialized, rxbd_current, rx_first_buf must be 0 after init */
171 struct zynq_gem_priv {
172 struct emac_bd *tx_bd;
173 struct emac_bd *rx_bd;
179 struct zynq_gem_regs *iobase;
180 phy_interface_t interface;
181 struct phy_device *phydev;
187 static u32 phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
191 struct zynq_gem_regs *regs = priv->iobase;
194 err = wait_for_bit(__func__, ®s->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
199 /* Construct mgtcr mask for the operation */
200 mgtcr = ZYNQ_GEM_PHYMNTNC_OP_MASK | op |
201 (phy_addr << ZYNQ_GEM_PHYMNTNC_PHYAD_SHIFT_MASK) |
202 (regnum << ZYNQ_GEM_PHYMNTNC_PHREG_SHIFT_MASK) | *data;
204 /* Write mgtcr and wait for completion */
205 writel(mgtcr, ®s->phymntnc);
207 err = wait_for_bit(__func__, ®s->nwsr, ZYNQ_GEM_NWSR_MDIOIDLE_MASK,
212 if (op == ZYNQ_GEM_PHYMNTNC_OP_R_MASK)
213 *data = readl(®s->phymntnc);
218 static u32 phyread(struct zynq_gem_priv *priv, u32 phy_addr,
219 u32 regnum, u16 *val)
223 ret = phy_setup_op(priv, phy_addr, regnum,
224 ZYNQ_GEM_PHYMNTNC_OP_R_MASK, val);
227 debug("%s: phy_addr %d, regnum 0x%x, val 0x%x\n", __func__,
228 phy_addr, regnum, *val);
233 static u32 phywrite(struct zynq_gem_priv *priv, u32 phy_addr,
234 u32 regnum, u16 data)
236 debug("%s: phy_addr %d, regnum 0x%x, data 0x%x\n", __func__, phy_addr,
239 return phy_setup_op(priv, phy_addr, regnum,
240 ZYNQ_GEM_PHYMNTNC_OP_W_MASK, &data);
243 static int phy_detection(struct udevice *dev)
247 struct zynq_gem_priv *priv = dev->priv;
249 if (priv->phyaddr != -1) {
250 phyread(priv, priv->phyaddr, PHY_DETECT_REG, &phyreg);
251 if ((phyreg != 0xFFFF) &&
252 ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
253 /* Found a valid PHY address */
254 debug("Default phy address %d is valid\n",
258 debug("PHY address is not setup correctly %d\n",
264 debug("detecting phy address\n");
265 if (priv->phyaddr == -1) {
266 /* detect the PHY address */
267 for (i = 31; i >= 0; i--) {
268 phyread(priv, i, PHY_DETECT_REG, &phyreg);
269 if ((phyreg != 0xFFFF) &&
270 ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
271 /* Found a valid PHY address */
273 debug("Found valid phy address, %d\n", i);
278 printf("PHY is not detected\n");
282 static int zynq_gem_setup_mac(struct udevice *dev)
284 u32 i, macaddrlow, macaddrhigh;
285 struct eth_pdata *pdata = dev_get_platdata(dev);
286 struct zynq_gem_priv *priv = dev_get_priv(dev);
287 struct zynq_gem_regs *regs = priv->iobase;
289 /* Set the MAC bits [31:0] in BOT */
290 macaddrlow = pdata->enetaddr[0];
291 macaddrlow |= pdata->enetaddr[1] << 8;
292 macaddrlow |= pdata->enetaddr[2] << 16;
293 macaddrlow |= pdata->enetaddr[3] << 24;
295 /* Set MAC bits [47:32] in TOP */
296 macaddrhigh = pdata->enetaddr[4];
297 macaddrhigh |= pdata->enetaddr[5] << 8;
299 for (i = 0; i < 4; i++) {
300 writel(0, ®s->laddr[i][LADDR_LOW]);
301 writel(0, ®s->laddr[i][LADDR_HIGH]);
302 /* Do not use MATCHx register */
303 writel(0, ®s->match[i]);
306 writel(macaddrlow, ®s->laddr[0][LADDR_LOW]);
307 writel(macaddrhigh, ®s->laddr[0][LADDR_HIGH]);
312 static int zynq_phy_init(struct udevice *dev)
315 struct zynq_gem_priv *priv = dev_get_priv(dev);
316 struct zynq_gem_regs *regs = priv->iobase;
317 const u32 supported = SUPPORTED_10baseT_Half |
318 SUPPORTED_10baseT_Full |
319 SUPPORTED_100baseT_Half |
320 SUPPORTED_100baseT_Full |
321 SUPPORTED_1000baseT_Half |
322 SUPPORTED_1000baseT_Full;
324 /* Enable only MDIO bus */
325 writel(ZYNQ_GEM_NWCTRL_MDEN_MASK, ®s->nwctrl);
327 if (priv->interface != PHY_INTERFACE_MODE_SGMII) {
328 ret = phy_detection(dev);
330 printf("GEM PHY init failed\n");
335 priv->phydev = phy_connect(priv->bus, priv->phyaddr, dev,
340 priv->phydev->supported &= supported | ADVERTISED_Pause |
341 ADVERTISED_Asym_Pause;
342 priv->phydev->advertising = priv->phydev->supported;
344 if (priv->phy_of_handle > 0)
345 dev_set_of_offset(priv->phydev->dev, priv->phy_of_handle);
347 return phy_config(priv->phydev);
350 static int zynq_gem_init(struct udevice *dev)
354 unsigned long clk_rate = 0;
355 struct zynq_gem_priv *priv = dev_get_priv(dev);
356 struct zynq_gem_regs *regs = priv->iobase;
357 struct emac_bd *dummy_tx_bd = &priv->tx_bd[TX_FREE_DESC];
358 struct emac_bd *dummy_rx_bd = &priv->tx_bd[TX_FREE_DESC + 2];
361 /* Disable all interrupts */
362 writel(0xFFFFFFFF, ®s->idr);
364 /* Disable the receiver & transmitter */
365 writel(0, ®s->nwctrl);
366 writel(0, ®s->txsr);
367 writel(0, ®s->rxsr);
368 writel(0, ®s->phymntnc);
370 /* Clear the Hash registers for the mac address
371 * pointed by AddressPtr
373 writel(0x0, ®s->hashl);
374 /* Write bits [63:32] in TOP */
375 writel(0x0, ®s->hashh);
377 /* Clear all counters */
378 for (i = 0; i < STAT_SIZE; i++)
379 readl(®s->stat[i]);
381 /* Setup RxBD space */
382 memset(priv->rx_bd, 0, RX_BUF * sizeof(struct emac_bd));
384 for (i = 0; i < RX_BUF; i++) {
385 priv->rx_bd[i].status = 0xF0000000;
386 priv->rx_bd[i].addr =
387 ((ulong)(priv->rxbuffers) +
388 (i * PKTSIZE_ALIGN));
390 /* WRAP bit to last BD */
391 priv->rx_bd[--i].addr |= ZYNQ_GEM_RXBUF_WRAP_MASK;
392 /* Write RxBDs to IP */
393 writel((ulong)priv->rx_bd, ®s->rxqbase);
395 /* Setup for DMA Configuration register */
396 writel(ZYNQ_GEM_DMACR_INIT, ®s->dmacr);
398 /* Setup for Network Control register, MDIO, Rx and Tx enable */
399 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_MDEN_MASK);
401 /* Disable the second priority queue */
402 dummy_tx_bd->addr = 0;
403 dummy_tx_bd->status = ZYNQ_GEM_TXBUF_WRAP_MASK |
404 ZYNQ_GEM_TXBUF_LAST_MASK|
405 ZYNQ_GEM_TXBUF_USED_MASK;
407 dummy_rx_bd->addr = ZYNQ_GEM_RXBUF_WRAP_MASK |
408 ZYNQ_GEM_RXBUF_NEW_MASK;
409 dummy_rx_bd->status = 0;
411 writel((ulong)dummy_tx_bd, ®s->transmit_q1_ptr);
412 writel((ulong)dummy_rx_bd, ®s->receive_q1_ptr);
417 ret = phy_startup(priv->phydev);
421 if (!priv->phydev->link) {
422 printf("%s: No link.\n", priv->phydev->dev->name);
426 nwconfig = ZYNQ_GEM_NWCFG_INIT;
428 if (priv->interface == PHY_INTERFACE_MODE_SGMII) {
429 nwconfig |= ZYNQ_GEM_NWCFG_SGMII_ENBL |
430 ZYNQ_GEM_NWCFG_PCS_SEL;
432 writel(readl(®s->pcscntrl) | ZYNQ_GEM_PCS_CTL_ANEG_ENBL,
437 switch (priv->phydev->speed) {
439 writel(nwconfig | ZYNQ_GEM_NWCFG_SPEED1000,
441 clk_rate = ZYNQ_GEM_FREQUENCY_1000;
444 writel(nwconfig | ZYNQ_GEM_NWCFG_SPEED100,
446 clk_rate = ZYNQ_GEM_FREQUENCY_100;
449 clk_rate = ZYNQ_GEM_FREQUENCY_10;
453 ret = clk_set_rate(&priv->clk, clk_rate);
454 if (IS_ERR_VALUE(ret) && ret != (unsigned long)-ENOSYS) {
455 dev_err(dev, "failed to set tx clock rate\n");
459 ret = clk_enable(&priv->clk);
460 if (ret && ret != -ENOSYS) {
461 dev_err(dev, "failed to enable tx clock\n");
465 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_RXEN_MASK |
466 ZYNQ_GEM_NWCTRL_TXEN_MASK);
471 static int zynq_gem_send(struct udevice *dev, void *ptr, int len)
474 struct zynq_gem_priv *priv = dev_get_priv(dev);
475 struct zynq_gem_regs *regs = priv->iobase;
476 struct emac_bd *current_bd = &priv->tx_bd[1];
479 memset(priv->tx_bd, 0, sizeof(struct emac_bd));
481 priv->tx_bd->addr = (ulong)ptr;
482 priv->tx_bd->status = (len & ZYNQ_GEM_TXBUF_FRMLEN_MASK) |
483 ZYNQ_GEM_TXBUF_LAST_MASK;
484 /* Dummy descriptor to mark it as the last in descriptor chain */
485 current_bd->addr = 0x0;
486 current_bd->status = ZYNQ_GEM_TXBUF_WRAP_MASK |
487 ZYNQ_GEM_TXBUF_LAST_MASK|
488 ZYNQ_GEM_TXBUF_USED_MASK;
491 writel((ulong)priv->tx_bd, ®s->txqbase);
494 addr &= ~(ARCH_DMA_MINALIGN - 1);
495 size = roundup(len, ARCH_DMA_MINALIGN);
496 flush_dcache_range(addr, addr + size);
498 addr = (ulong)priv->rxbuffers;
499 addr &= ~(ARCH_DMA_MINALIGN - 1);
500 size = roundup((RX_BUF * PKTSIZE_ALIGN), ARCH_DMA_MINALIGN);
501 flush_dcache_range(addr, addr + size);
505 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_STARTTX_MASK);
507 /* Read TX BD status */
508 if (priv->tx_bd->status & ZYNQ_GEM_TXBUF_EXHAUSTED)
509 printf("TX buffers exhausted in mid frame\n");
511 return wait_for_bit(__func__, ®s->txsr, ZYNQ_GEM_TSR_DONE,
515 /* Do not check frame_recd flag in rx_status register 0x20 - just poll BD */
516 static int zynq_gem_recv(struct udevice *dev, int flags, uchar **packetp)
520 struct zynq_gem_priv *priv = dev_get_priv(dev);
521 struct emac_bd *current_bd = &priv->rx_bd[priv->rxbd_current];
523 if (!(current_bd->addr & ZYNQ_GEM_RXBUF_NEW_MASK))
526 if (!(current_bd->status &
527 (ZYNQ_GEM_RXBUF_SOF_MASK | ZYNQ_GEM_RXBUF_EOF_MASK))) {
528 printf("GEM: SOF or EOF not set for last buffer received!\n");
532 frame_len = current_bd->status & ZYNQ_GEM_RXBUF_LEN_MASK;
534 printf("%s: Zero size packet?\n", __func__);
538 addr = current_bd->addr & ZYNQ_GEM_RXBUF_ADD_MASK;
539 addr &= ~(ARCH_DMA_MINALIGN - 1);
540 *packetp = (uchar *)(uintptr_t)addr;
545 static int zynq_gem_free_pkt(struct udevice *dev, uchar *packet, int length)
547 struct zynq_gem_priv *priv = dev_get_priv(dev);
548 struct emac_bd *current_bd = &priv->rx_bd[priv->rxbd_current];
549 struct emac_bd *first_bd;
551 if (current_bd->status & ZYNQ_GEM_RXBUF_SOF_MASK) {
552 priv->rx_first_buf = priv->rxbd_current;
554 current_bd->addr &= ~ZYNQ_GEM_RXBUF_NEW_MASK;
555 current_bd->status = 0xF0000000; /* FIXME */
558 if (current_bd->status & ZYNQ_GEM_RXBUF_EOF_MASK) {
559 first_bd = &priv->rx_bd[priv->rx_first_buf];
560 first_bd->addr &= ~ZYNQ_GEM_RXBUF_NEW_MASK;
561 first_bd->status = 0xF0000000;
564 if ((++priv->rxbd_current) >= RX_BUF)
565 priv->rxbd_current = 0;
570 static void zynq_gem_halt(struct udevice *dev)
572 struct zynq_gem_priv *priv = dev_get_priv(dev);
573 struct zynq_gem_regs *regs = priv->iobase;
575 clrsetbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_RXEN_MASK |
576 ZYNQ_GEM_NWCTRL_TXEN_MASK, 0);
579 __weak int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
584 static int zynq_gem_read_rom_mac(struct udevice *dev)
586 struct eth_pdata *pdata = dev_get_platdata(dev);
591 return zynq_board_read_rom_ethaddr(pdata->enetaddr);
594 static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr,
597 struct zynq_gem_priv *priv = bus->priv;
601 ret = phyread(priv, addr, reg, &val);
602 debug("%s 0x%x, 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, val, ret);
606 static int zynq_gem_miiphy_write(struct mii_dev *bus, int addr, int devad,
609 struct zynq_gem_priv *priv = bus->priv;
611 debug("%s 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, value);
612 return phywrite(priv, addr, reg, value);
615 static int zynq_gem_probe(struct udevice *dev)
618 struct zynq_gem_priv *priv = dev_get_priv(dev);
621 /* Align rxbuffers to ARCH_DMA_MINALIGN */
622 priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
623 memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);
625 /* Align bd_space to MMU_SECTION_SHIFT */
626 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
627 mmu_set_region_dcache_behaviour((phys_addr_t)bd_space,
628 BD_SPACE, DCACHE_OFF);
630 /* Initialize the bd spaces for tx and rx bd's */
631 priv->tx_bd = (struct emac_bd *)bd_space;
632 priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);
634 ret = clk_get_by_name(dev, "tx_clk", &priv->clk);
636 dev_err(dev, "failed to get clock\n");
640 priv->bus = mdio_alloc();
641 priv->bus->read = zynq_gem_miiphy_read;
642 priv->bus->write = zynq_gem_miiphy_write;
643 priv->bus->priv = priv;
645 ret = mdio_register_seq(priv->bus, dev->seq);
649 return zynq_phy_init(dev);
652 static int zynq_gem_remove(struct udevice *dev)
654 struct zynq_gem_priv *priv = dev_get_priv(dev);
657 mdio_unregister(priv->bus);
658 mdio_free(priv->bus);
663 static const struct eth_ops zynq_gem_ops = {
664 .start = zynq_gem_init,
665 .send = zynq_gem_send,
666 .recv = zynq_gem_recv,
667 .free_pkt = zynq_gem_free_pkt,
668 .stop = zynq_gem_halt,
669 .write_hwaddr = zynq_gem_setup_mac,
670 .read_rom_hwaddr = zynq_gem_read_rom_mac,
673 static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
675 struct eth_pdata *pdata = dev_get_platdata(dev);
676 struct zynq_gem_priv *priv = dev_get_priv(dev);
677 int node = dev_of_offset(dev);
678 const char *phy_mode;
680 pdata->iobase = (phys_addr_t)devfdt_get_addr(dev);
681 priv->iobase = (struct zynq_gem_regs *)pdata->iobase;
682 /* Hardcode for now */
685 priv->phy_of_handle = fdtdec_lookup_phandle(gd->fdt_blob, node,
687 if (priv->phy_of_handle > 0)
688 priv->phyaddr = fdtdec_get_int(gd->fdt_blob,
689 priv->phy_of_handle, "reg", -1);
691 phy_mode = fdt_getprop(gd->fdt_blob, node, "phy-mode", NULL);
693 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
694 if (pdata->phy_interface == -1) {
695 debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
698 priv->interface = pdata->phy_interface;
700 printf("ZYNQ GEM: %lx, phyaddr %x, interface %s\n", (ulong)priv->iobase,
701 priv->phyaddr, phy_string_for_interface(priv->interface));
706 static const struct udevice_id zynq_gem_ids[] = {
707 { .compatible = "cdns,zynqmp-gem" },
708 { .compatible = "cdns,zynq-gem" },
709 { .compatible = "cdns,gem" },
713 U_BOOT_DRIVER(zynq_gem) = {
716 .of_match = zynq_gem_ids,
717 .ofdata_to_platdata = zynq_gem_ofdata_to_platdata,
718 .probe = zynq_gem_probe,
719 .remove = zynq_gem_remove,
720 .ops = &zynq_gem_ops,
721 .priv_auto_alloc_size = sizeof(struct zynq_gem_priv),
722 .platdata_auto_alloc_size = sizeof(struct eth_pdata),