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 */
60 #define ZYNQ_GEM_NWCFG_SGMII_ENBL 0x080000000 /* SGMII Enable */
61 #define ZYNQ_GEM_NWCFG_PCS_SEL 0x000000800 /* PCS select */
63 #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x000100000 /* Div pclk by 64, max 160MHz */
65 #define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x0000c0000 /* Div pclk by 48, max 120MHz */
69 # define ZYNQ_GEM_DBUS_WIDTH (1 << 21) /* 64 bit bus */
71 # define ZYNQ_GEM_DBUS_WIDTH (0 << 21) /* 32 bit bus */
74 #define ZYNQ_GEM_NWCFG_INIT (ZYNQ_GEM_DBUS_WIDTH | \
75 ZYNQ_GEM_NWCFG_FDEN | \
76 ZYNQ_GEM_NWCFG_FSREM | \
77 ZYNQ_GEM_NWCFG_MDCCLKDIV)
79 #define ZYNQ_GEM_NWSR_MDIOIDLE_MASK 0x00000004 /* PHY management idle */
81 #define ZYNQ_GEM_DMACR_BLENGTH 0x00000004 /* INCR4 AHB bursts */
82 /* Use full configured addressable space (8 Kb) */
83 #define ZYNQ_GEM_DMACR_RXSIZE 0x00000300
84 /* Use full configured addressable space (4 Kb) */
85 #define ZYNQ_GEM_DMACR_TXSIZE 0x00000400
86 /* Set with binary 00011000 to use 1536 byte(1*max length frame/buffer) */
87 #define ZYNQ_GEM_DMACR_RXBUF 0x00180000
89 #define ZYNQ_GEM_DMACR_INIT (ZYNQ_GEM_DMACR_BLENGTH | \
90 ZYNQ_GEM_DMACR_RXSIZE | \
91 ZYNQ_GEM_DMACR_TXSIZE | \
94 #define ZYNQ_GEM_TSR_DONE 0x00000020 /* Tx done mask */
96 /* Use MII register 1 (MII status register) to detect PHY */
97 #define PHY_DETECT_REG 1
99 /* Mask used to verify certain PHY features (or register contents)
100 * in the register above:
101 * 0x1000: 10Mbps full duplex support
102 * 0x0800: 10Mbps half duplex support
103 * 0x0008: Auto-negotiation support
105 #define PHY_DETECT_MASK 0x1808
107 /* TX BD status masks */
108 #define ZYNQ_GEM_TXBUF_FRMLEN_MASK 0x000007ff
109 #define ZYNQ_GEM_TXBUF_EXHAUSTED 0x08000000
110 #define ZYNQ_GEM_TXBUF_UNDERRUN 0x10000000
112 /* Clock frequencies for different speeds */
113 #define ZYNQ_GEM_FREQUENCY_10 2500000UL
114 #define ZYNQ_GEM_FREQUENCY_100 25000000UL
115 #define ZYNQ_GEM_FREQUENCY_1000 125000000UL
117 /* Device registers */
118 struct zynq_gem_regs {
119 u32 nwctrl; /* 0x0 - Network Control reg */
120 u32 nwcfg; /* 0x4 - Network Config reg */
121 u32 nwsr; /* 0x8 - Network Status reg */
123 u32 dmacr; /* 0x10 - DMA Control reg */
124 u32 txsr; /* 0x14 - TX Status reg */
125 u32 rxqbase; /* 0x18 - RX Q Base address reg */
126 u32 txqbase; /* 0x1c - TX Q Base address reg */
127 u32 rxsr; /* 0x20 - RX Status reg */
129 u32 idr; /* 0x2c - Interrupt Disable reg */
131 u32 phymntnc; /* 0x34 - Phy Maintaince reg */
133 u32 hashl; /* 0x80 - Hash Low address reg */
134 u32 hashh; /* 0x84 - Hash High address reg */
137 u32 laddr[4][LADDR_HIGH + 1]; /* 0x8c - Specific1 addr low/high reg */
138 u32 match[4]; /* 0xa8 - Type ID1 Match reg */
141 u32 stat[STAT_SIZE]; /* 0x100 - Octects transmitted Low reg */
143 u32 transmit_q1_ptr; /* 0x440 - Transmit priority queue 1 */
145 u32 receive_q1_ptr; /* 0x480 - Receive priority queue 1 */
150 u32 addr; /* Next descriptor pointer */
155 /* Page table entries are set to 1MB, or multiples of 1MB
156 * (not < 1MB). driver uses less bd's so use 1MB bdspace.
158 #define BD_SPACE 0x100000
159 /* BD separation space */
160 #define BD_SEPRN_SPACE (RX_BUF * sizeof(struct emac_bd))
162 /* Setup the first free TX descriptor */
163 #define TX_FREE_DESC 2
165 /* Initialized, rxbd_current, rx_first_buf must be 0 after init */
166 struct zynq_gem_priv {
167 struct emac_bd *tx_bd;
168 struct emac_bd *rx_bd;
175 struct zynq_gem_regs *iobase;
176 phy_interface_t interface;
177 struct phy_device *phydev;
181 static inline int mdio_wait(struct zynq_gem_regs *regs)
185 /* Wait till MDIO interface is ready to accept a new transaction. */
187 if (readl(®s->nwsr) & ZYNQ_GEM_NWSR_MDIOIDLE_MASK)
193 printf("%s: Timeout\n", __func__);
200 static u32 phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
204 struct zynq_gem_regs *regs = priv->iobase;
209 /* Construct mgtcr mask for the operation */
210 mgtcr = ZYNQ_GEM_PHYMNTNC_OP_MASK | op |
211 (phy_addr << ZYNQ_GEM_PHYMNTNC_PHYAD_SHIFT_MASK) |
212 (regnum << ZYNQ_GEM_PHYMNTNC_PHREG_SHIFT_MASK) | *data;
214 /* Write mgtcr and wait for completion */
215 writel(mgtcr, ®s->phymntnc);
220 if (op == ZYNQ_GEM_PHYMNTNC_OP_R_MASK)
221 *data = readl(®s->phymntnc);
226 static u32 phyread(struct zynq_gem_priv *priv, u32 phy_addr,
227 u32 regnum, u16 *val)
231 ret = phy_setup_op(priv, phy_addr, regnum,
232 ZYNQ_GEM_PHYMNTNC_OP_R_MASK, val);
235 debug("%s: phy_addr %d, regnum 0x%x, val 0x%x\n", __func__,
236 phy_addr, regnum, *val);
241 static u32 phywrite(struct zynq_gem_priv *priv, u32 phy_addr,
242 u32 regnum, u16 data)
244 debug("%s: phy_addr %d, regnum 0x%x, data 0x%x\n", __func__, phy_addr,
247 return phy_setup_op(priv, phy_addr, regnum,
248 ZYNQ_GEM_PHYMNTNC_OP_W_MASK, &data);
251 static int phy_detection(struct udevice *dev)
255 struct zynq_gem_priv *priv = dev->priv;
257 if (priv->phyaddr != -1) {
258 phyread(priv, priv->phyaddr, PHY_DETECT_REG, &phyreg);
259 if ((phyreg != 0xFFFF) &&
260 ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
261 /* Found a valid PHY address */
262 debug("Default phy address %d is valid\n",
266 debug("PHY address is not setup correctly %d\n",
272 debug("detecting phy address\n");
273 if (priv->phyaddr == -1) {
274 /* detect the PHY address */
275 for (i = 31; i >= 0; i--) {
276 phyread(priv, i, PHY_DETECT_REG, &phyreg);
277 if ((phyreg != 0xFFFF) &&
278 ((phyreg & PHY_DETECT_MASK) == PHY_DETECT_MASK)) {
279 /* Found a valid PHY address */
281 debug("Found valid phy address, %d\n", i);
286 printf("PHY is not detected\n");
290 static int zynq_gem_setup_mac(struct udevice *dev)
292 u32 i, macaddrlow, macaddrhigh;
293 struct eth_pdata *pdata = dev_get_platdata(dev);
294 struct zynq_gem_priv *priv = dev_get_priv(dev);
295 struct zynq_gem_regs *regs = priv->iobase;
297 /* Set the MAC bits [31:0] in BOT */
298 macaddrlow = pdata->enetaddr[0];
299 macaddrlow |= pdata->enetaddr[1] << 8;
300 macaddrlow |= pdata->enetaddr[2] << 16;
301 macaddrlow |= pdata->enetaddr[3] << 24;
303 /* Set MAC bits [47:32] in TOP */
304 macaddrhigh = pdata->enetaddr[4];
305 macaddrhigh |= pdata->enetaddr[5] << 8;
307 for (i = 0; i < 4; i++) {
308 writel(0, ®s->laddr[i][LADDR_LOW]);
309 writel(0, ®s->laddr[i][LADDR_HIGH]);
310 /* Do not use MATCHx register */
311 writel(0, ®s->match[i]);
314 writel(macaddrlow, ®s->laddr[0][LADDR_LOW]);
315 writel(macaddrhigh, ®s->laddr[0][LADDR_HIGH]);
320 static int zynq_phy_init(struct udevice *dev)
323 struct zynq_gem_priv *priv = dev_get_priv(dev);
324 struct zynq_gem_regs *regs = priv->iobase;
325 const u32 supported = SUPPORTED_10baseT_Half |
326 SUPPORTED_10baseT_Full |
327 SUPPORTED_100baseT_Half |
328 SUPPORTED_100baseT_Full |
329 SUPPORTED_1000baseT_Half |
330 SUPPORTED_1000baseT_Full;
332 /* Enable only MDIO bus */
333 writel(ZYNQ_GEM_NWCTRL_MDEN_MASK, ®s->nwctrl);
335 if (priv->interface != PHY_INTERFACE_MODE_SGMII) {
336 ret = phy_detection(dev);
338 printf("GEM PHY init failed\n");
343 priv->phydev = phy_connect(priv->bus, priv->phyaddr, dev,
348 priv->phydev->supported = supported | ADVERTISED_Pause |
349 ADVERTISED_Asym_Pause;
350 priv->phydev->advertising = priv->phydev->supported;
351 phy_config(priv->phydev);
356 static int zynq_gem_init(struct udevice *dev)
359 unsigned long clk_rate = 0;
360 struct zynq_gem_priv *priv = dev_get_priv(dev);
361 struct zynq_gem_regs *regs = priv->iobase;
362 struct emac_bd *dummy_tx_bd = &priv->tx_bd[TX_FREE_DESC];
363 struct emac_bd *dummy_rx_bd = &priv->tx_bd[TX_FREE_DESC + 2];
366 /* Disable all interrupts */
367 writel(0xFFFFFFFF, ®s->idr);
369 /* Disable the receiver & transmitter */
370 writel(0, ®s->nwctrl);
371 writel(0, ®s->txsr);
372 writel(0, ®s->rxsr);
373 writel(0, ®s->phymntnc);
375 /* Clear the Hash registers for the mac address
376 * pointed by AddressPtr
378 writel(0x0, ®s->hashl);
379 /* Write bits [63:32] in TOP */
380 writel(0x0, ®s->hashh);
382 /* Clear all counters */
383 for (i = 0; i < STAT_SIZE; i++)
384 readl(®s->stat[i]);
386 /* Setup RxBD space */
387 memset(priv->rx_bd, 0, RX_BUF * sizeof(struct emac_bd));
389 for (i = 0; i < RX_BUF; i++) {
390 priv->rx_bd[i].status = 0xF0000000;
391 priv->rx_bd[i].addr =
392 ((ulong)(priv->rxbuffers) +
393 (i * PKTSIZE_ALIGN));
395 /* WRAP bit to last BD */
396 priv->rx_bd[--i].addr |= ZYNQ_GEM_RXBUF_WRAP_MASK;
397 /* Write RxBDs to IP */
398 writel((ulong)priv->rx_bd, ®s->rxqbase);
400 /* Setup for DMA Configuration register */
401 writel(ZYNQ_GEM_DMACR_INIT, ®s->dmacr);
403 /* Setup for Network Control register, MDIO, Rx and Tx enable */
404 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_MDEN_MASK);
406 /* Disable the second priority queue */
407 dummy_tx_bd->addr = 0;
408 dummy_tx_bd->status = ZYNQ_GEM_TXBUF_WRAP_MASK |
409 ZYNQ_GEM_TXBUF_LAST_MASK|
410 ZYNQ_GEM_TXBUF_USED_MASK;
412 dummy_rx_bd->addr = ZYNQ_GEM_RXBUF_WRAP_MASK |
413 ZYNQ_GEM_RXBUF_NEW_MASK;
414 dummy_rx_bd->status = 0;
415 flush_dcache_range((ulong)&dummy_tx_bd, (ulong)&dummy_tx_bd +
416 sizeof(dummy_tx_bd));
417 flush_dcache_range((ulong)&dummy_rx_bd, (ulong)&dummy_rx_bd +
418 sizeof(dummy_rx_bd));
420 writel((ulong)dummy_tx_bd, ®s->transmit_q1_ptr);
421 writel((ulong)dummy_rx_bd, ®s->receive_q1_ptr);
426 phy_startup(priv->phydev);
428 if (!priv->phydev->link) {
429 printf("%s: No link.\n", priv->phydev->dev->name);
433 nwconfig = ZYNQ_GEM_NWCFG_INIT;
435 if (priv->interface == PHY_INTERFACE_MODE_SGMII)
436 nwconfig |= ZYNQ_GEM_NWCFG_SGMII_ENBL |
437 ZYNQ_GEM_NWCFG_PCS_SEL;
439 switch (priv->phydev->speed) {
441 writel(nwconfig | ZYNQ_GEM_NWCFG_SPEED1000,
443 clk_rate = ZYNQ_GEM_FREQUENCY_1000;
446 writel(nwconfig | ZYNQ_GEM_NWCFG_SPEED100,
448 clk_rate = ZYNQ_GEM_FREQUENCY_100;
451 clk_rate = ZYNQ_GEM_FREQUENCY_10;
455 /* Change the rclk and clk only not using EMIO interface */
457 zynq_slcr_gem_clk_setup((ulong)priv->iobase !=
458 ZYNQ_GEM_BASEADDR0, clk_rate);
460 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_RXEN_MASK |
461 ZYNQ_GEM_NWCTRL_TXEN_MASK);
466 static int zynq_gem_send(struct udevice *dev, void *ptr, int len)
469 struct zynq_gem_priv *priv = dev_get_priv(dev);
470 struct zynq_gem_regs *regs = priv->iobase;
471 struct emac_bd *current_bd = &priv->tx_bd[1];
474 memset(priv->tx_bd, 0, sizeof(struct emac_bd));
476 priv->tx_bd->addr = (ulong)ptr;
477 priv->tx_bd->status = (len & ZYNQ_GEM_TXBUF_FRMLEN_MASK) |
478 ZYNQ_GEM_TXBUF_LAST_MASK;
479 /* Dummy descriptor to mark it as the last in descriptor chain */
480 current_bd->addr = 0x0;
481 current_bd->status = ZYNQ_GEM_TXBUF_WRAP_MASK |
482 ZYNQ_GEM_TXBUF_LAST_MASK|
483 ZYNQ_GEM_TXBUF_USED_MASK;
486 writel((ulong)priv->tx_bd, ®s->txqbase);
489 addr &= ~(ARCH_DMA_MINALIGN - 1);
490 size = roundup(len, ARCH_DMA_MINALIGN);
491 flush_dcache_range(addr, addr + size);
493 addr = (ulong)priv->rxbuffers;
494 addr &= ~(ARCH_DMA_MINALIGN - 1);
495 size = roundup((RX_BUF * PKTSIZE_ALIGN), ARCH_DMA_MINALIGN);
496 flush_dcache_range(addr, addr + size);
500 setbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_STARTTX_MASK);
502 /* Read TX BD status */
503 if (priv->tx_bd->status & ZYNQ_GEM_TXBUF_EXHAUSTED)
504 printf("TX buffers exhausted in mid frame\n");
506 return wait_for_bit(__func__, ®s->txsr, ZYNQ_GEM_TSR_DONE,
510 /* Do not check frame_recd flag in rx_status register 0x20 - just poll BD */
511 static int zynq_gem_recv(struct udevice *dev, int flags, uchar **packetp)
515 struct zynq_gem_priv *priv = dev_get_priv(dev);
516 struct emac_bd *current_bd = &priv->rx_bd[priv->rxbd_current];
518 if (!(current_bd->addr & ZYNQ_GEM_RXBUF_NEW_MASK))
521 if (!(current_bd->status &
522 (ZYNQ_GEM_RXBUF_SOF_MASK | ZYNQ_GEM_RXBUF_EOF_MASK))) {
523 printf("GEM: SOF or EOF not set for last buffer received!\n");
527 frame_len = current_bd->status & ZYNQ_GEM_RXBUF_LEN_MASK;
529 printf("%s: Zero size packet?\n", __func__);
533 addr = current_bd->addr & ZYNQ_GEM_RXBUF_ADD_MASK;
534 addr &= ~(ARCH_DMA_MINALIGN - 1);
535 *packetp = (uchar *)(uintptr_t)addr;
540 static int zynq_gem_free_pkt(struct udevice *dev, uchar *packet, int length)
542 struct zynq_gem_priv *priv = dev_get_priv(dev);
543 struct emac_bd *current_bd = &priv->rx_bd[priv->rxbd_current];
544 struct emac_bd *first_bd;
546 if (current_bd->status & ZYNQ_GEM_RXBUF_SOF_MASK) {
547 priv->rx_first_buf = priv->rxbd_current;
549 current_bd->addr &= ~ZYNQ_GEM_RXBUF_NEW_MASK;
550 current_bd->status = 0xF0000000; /* FIXME */
553 if (current_bd->status & ZYNQ_GEM_RXBUF_EOF_MASK) {
554 first_bd = &priv->rx_bd[priv->rx_first_buf];
555 first_bd->addr &= ~ZYNQ_GEM_RXBUF_NEW_MASK;
556 first_bd->status = 0xF0000000;
559 if ((++priv->rxbd_current) >= RX_BUF)
560 priv->rxbd_current = 0;
565 static void zynq_gem_halt(struct udevice *dev)
567 struct zynq_gem_priv *priv = dev_get_priv(dev);
568 struct zynq_gem_regs *regs = priv->iobase;
570 clrsetbits_le32(®s->nwctrl, ZYNQ_GEM_NWCTRL_RXEN_MASK |
571 ZYNQ_GEM_NWCTRL_TXEN_MASK, 0);
574 __weak int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
579 static int zynq_gem_read_rom_mac(struct udevice *dev)
582 struct eth_pdata *pdata = dev_get_platdata(dev);
584 retval = zynq_board_read_rom_ethaddr(pdata->enetaddr);
585 if (retval == -ENOSYS)
591 static int zynq_gem_miiphy_read(struct mii_dev *bus, int addr,
594 struct zynq_gem_priv *priv = bus->priv;
598 ret = phyread(priv, addr, reg, &val);
599 debug("%s 0x%x, 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, val, ret);
603 static int zynq_gem_miiphy_write(struct mii_dev *bus, int addr, int devad,
606 struct zynq_gem_priv *priv = bus->priv;
608 debug("%s 0x%x, 0x%x, 0x%x\n", __func__, addr, reg, value);
609 return phywrite(priv, addr, reg, value);
612 static int zynq_gem_probe(struct udevice *dev)
615 struct zynq_gem_priv *priv = dev_get_priv(dev);
618 /* Align rxbuffers to ARCH_DMA_MINALIGN */
619 priv->rxbuffers = memalign(ARCH_DMA_MINALIGN, RX_BUF * PKTSIZE_ALIGN);
620 memset(priv->rxbuffers, 0, RX_BUF * PKTSIZE_ALIGN);
622 /* Align bd_space to MMU_SECTION_SHIFT */
623 bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
624 mmu_set_region_dcache_behaviour((phys_addr_t)bd_space,
625 BD_SPACE, DCACHE_OFF);
627 /* Initialize the bd spaces for tx and rx bd's */
628 priv->tx_bd = (struct emac_bd *)bd_space;
629 priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);
631 priv->bus = mdio_alloc();
632 priv->bus->read = zynq_gem_miiphy_read;
633 priv->bus->write = zynq_gem_miiphy_write;
634 priv->bus->priv = priv;
635 strcpy(priv->bus->name, "gem");
637 ret = mdio_register(priv->bus);
646 static int zynq_gem_remove(struct udevice *dev)
648 struct zynq_gem_priv *priv = dev_get_priv(dev);
651 mdio_unregister(priv->bus);
652 mdio_free(priv->bus);
657 static const struct eth_ops zynq_gem_ops = {
658 .start = zynq_gem_init,
659 .send = zynq_gem_send,
660 .recv = zynq_gem_recv,
661 .free_pkt = zynq_gem_free_pkt,
662 .stop = zynq_gem_halt,
663 .write_hwaddr = zynq_gem_setup_mac,
664 .read_rom_hwaddr = zynq_gem_read_rom_mac,
667 static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
669 struct eth_pdata *pdata = dev_get_platdata(dev);
670 struct zynq_gem_priv *priv = dev_get_priv(dev);
672 const char *phy_mode;
674 pdata->iobase = (phys_addr_t)dev_get_addr(dev);
675 priv->iobase = (struct zynq_gem_regs *)pdata->iobase;
676 /* Hardcode for now */
680 offset = fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset,
683 priv->phyaddr = fdtdec_get_int(gd->fdt_blob, offset, "reg", -1);
685 phy_mode = fdt_getprop(gd->fdt_blob, dev->of_offset, "phy-mode", NULL);
687 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
688 if (pdata->phy_interface == -1) {
689 debug("%s: Invalid PHY interface '%s'\n", __func__, phy_mode);
692 priv->interface = pdata->phy_interface;
694 priv->emio = fdtdec_get_bool(gd->fdt_blob, dev->of_offset, "xlnx,emio");
696 printf("ZYNQ GEM: %lx, phyaddr %d, interface %s\n", (ulong)priv->iobase,
697 priv->phyaddr, phy_string_for_interface(priv->interface));
702 static const struct udevice_id zynq_gem_ids[] = {
703 { .compatible = "cdns,zynqmp-gem" },
704 { .compatible = "cdns,zynq-gem" },
705 { .compatible = "cdns,gem" },
709 U_BOOT_DRIVER(zynq_gem) = {
712 .of_match = zynq_gem_ids,
713 .ofdata_to_platdata = zynq_gem_ofdata_to_platdata,
714 .probe = zynq_gem_probe,
715 .remove = zynq_gem_remove,
716 .ops = &zynq_gem_ops,
717 .priv_auto_alloc_size = sizeof(struct zynq_gem_priv),
718 .platdata_auto_alloc_size = sizeof(struct eth_pdata),