1 // SPDX-License-Identifier: GPL-2.0+
3 * sni_ave.c - Socionext UniPhier AVE ethernet driver
4 * Copyright 2016-2018 Socionext inc.
10 #include <fdt_support.h>
18 #include <asm/cache.h>
19 #include <dm/device_compat.h>
20 #include <linux/err.h>
22 #include <linux/iopoll.h>
24 #define AVE_GRST_DELAY_MSEC 40
25 #define AVE_MIN_XMITSIZE 60
26 #define AVE_SEND_TIMEOUT_COUNT 1000
27 #define AVE_MDIO_TIMEOUT_USEC 10000
28 #define AVE_HALT_TIMEOUT_USEC 10000
30 /* General Register Group */
31 #define AVE_IDR 0x000 /* ID */
32 #define AVE_VR 0x004 /* Version */
33 #define AVE_GRR 0x008 /* Global Reset */
34 #define AVE_CFGR 0x00c /* Configuration */
36 /* Interrupt Register Group */
37 #define AVE_GIMR 0x100 /* Global Interrupt Mask */
38 #define AVE_GISR 0x104 /* Global Interrupt Status */
40 /* MAC Register Group */
41 #define AVE_TXCR 0x200 /* TX Setup */
42 #define AVE_RXCR 0x204 /* RX Setup */
43 #define AVE_RXMAC1R 0x208 /* MAC address (lower) */
44 #define AVE_RXMAC2R 0x20c /* MAC address (upper) */
45 #define AVE_MDIOCTR 0x214 /* MDIO Control */
46 #define AVE_MDIOAR 0x218 /* MDIO Address */
47 #define AVE_MDIOWDR 0x21c /* MDIO Data */
48 #define AVE_MDIOSR 0x220 /* MDIO Status */
49 #define AVE_MDIORDR 0x224 /* MDIO Rd Data */
51 /* Descriptor Control Register Group */
52 #define AVE_DESCC 0x300 /* Descriptor Control */
53 #define AVE_TXDC 0x304 /* TX Descriptor Configuration */
54 #define AVE_RXDC 0x308 /* RX Descriptor Ring0 Configuration */
55 #define AVE_IIRQC 0x34c /* Interval IRQ Control */
57 /* 64bit descriptor memory */
58 #define AVE_DESC_SIZE_64 12 /* Descriptor Size */
59 #define AVE_TXDM_64 0x1000 /* Tx Descriptor Memory */
60 #define AVE_RXDM_64 0x1c00 /* Rx Descriptor Memory */
62 /* 32bit descriptor memory */
63 #define AVE_DESC_SIZE_32 8 /* Descriptor Size */
64 #define AVE_TXDM_32 0x1000 /* Tx Descriptor Memory */
65 #define AVE_RXDM_32 0x1800 /* Rx Descriptor Memory */
67 /* RMII Bridge Register Group */
68 #define AVE_RSTCTRL 0x8028 /* Reset control */
69 #define AVE_RSTCTRL_RMIIRST BIT(16)
70 #define AVE_LINKSEL 0x8034 /* Link speed setting */
71 #define AVE_LINKSEL_100M BIT(0)
74 #define AVE_GRR_PHYRST BIT(4) /* Reset external PHY */
75 #define AVE_GRR_GRST BIT(0) /* Reset all MAC */
78 #define AVE_CFGR_MII BIT(27) /* Func mode (1:MII/RMII, 0:RGMII) */
80 /* AVE_GISR (common with GIMR) */
81 #define AVE_GIMR_CLR 0
82 #define AVE_GISR_CLR GENMASK(31, 0)
85 #define AVE_TXCR_FLOCTR BIT(18) /* Flow control */
86 #define AVE_TXCR_TXSPD_1G BIT(17)
87 #define AVE_TXCR_TXSPD_100 BIT(16)
90 #define AVE_RXCR_RXEN BIT(30) /* Rx enable */
91 #define AVE_RXCR_FDUPEN BIT(22) /* Interface mode */
92 #define AVE_RXCR_FLOCTR BIT(21) /* Flow control */
95 #define AVE_MDIOCTR_RREQ BIT(3) /* Read request */
96 #define AVE_MDIOCTR_WREQ BIT(2) /* Write request */
99 #define AVE_MDIOSR_STS BIT(0) /* access status */
102 #define AVE_DESCC_RXDSTPSTS BIT(20)
103 #define AVE_DESCC_RD0 BIT(8) /* Enable Rx descriptor Ring0 */
104 #define AVE_DESCC_RXDSTP BIT(4) /* Pause Rx descriptor */
105 #define AVE_DESCC_TD BIT(0) /* Enable Tx descriptor */
108 #define AVE_DESC_SIZE(priv, num) \
109 ((num) * ((priv)->data->is_desc_64bit ? AVE_DESC_SIZE_64 : \
112 /* Command status for descriptor */
113 #define AVE_STS_OWN BIT(31) /* Descriptor ownership */
114 #define AVE_STS_OK BIT(27) /* Normal transmit */
115 #define AVE_STS_1ST BIT(26) /* Head of buffer chain */
116 #define AVE_STS_LAST BIT(25) /* Tail of buffer chain */
117 #define AVE_STS_PKTLEN_TX_MASK GENMASK(15, 0)
118 #define AVE_STS_PKTLEN_RX_MASK GENMASK(10, 0)
120 #define AVE_DESC_OFS_CMDSTS 0
121 #define AVE_DESC_OFS_ADDRL 4
122 #define AVE_DESC_OFS_ADDRU 8
124 /* Parameter for ethernet frame */
125 #define AVE_RXCR_MTU 1518
128 #define SG_ETPINMODE 0x540
129 #define SG_ETPINMODE_EXTPHY BIT(1) /* for LD11 */
130 #define SG_ETPINMODE_RMII(ins) BIT(ins)
132 #define AVE_MAX_CLKS 4
133 #define AVE_MAX_RSTS 2
143 struct clk clk[AVE_MAX_CLKS];
145 struct reset_ctl rst[AVE_MAX_RSTS];
146 struct regmap *regmap;
147 unsigned int regmap_arg;
150 struct phy_device *phydev;
159 u8 tx_adj_packetbuf[PKTSIZE_ALIGN + PKTALIGN];
162 const struct ave_soc_data *data;
165 struct ave_soc_data {
167 const char *clock_names[AVE_MAX_CLKS];
168 const char *reset_names[AVE_MAX_RSTS];
169 int (*get_pinmode)(struct ave_private *priv);
172 static u32 ave_desc_read(struct ave_private *priv, enum desc_id id, int entry,
178 if (priv->data->is_desc_64bit) {
179 desc_size = AVE_DESC_SIZE_64;
180 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
182 desc_size = AVE_DESC_SIZE_32;
183 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
186 addr += entry * desc_size + offset;
188 return readl(priv->iobase + addr);
191 static u32 ave_desc_read_cmdsts(struct ave_private *priv, enum desc_id id,
194 return ave_desc_read(priv, id, entry, AVE_DESC_OFS_CMDSTS);
197 static void ave_desc_write(struct ave_private *priv, enum desc_id id,
198 int entry, int offset, u32 val)
203 if (priv->data->is_desc_64bit) {
204 desc_size = AVE_DESC_SIZE_64;
205 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
207 desc_size = AVE_DESC_SIZE_32;
208 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
211 addr += entry * desc_size + offset;
212 writel(val, priv->iobase + addr);
215 static void ave_desc_write_cmdsts(struct ave_private *priv, enum desc_id id,
218 ave_desc_write(priv, id, entry, AVE_DESC_OFS_CMDSTS, val);
221 static void ave_desc_write_addr(struct ave_private *priv, enum desc_id id,
222 int entry, uintptr_t paddr)
224 ave_desc_write(priv, id, entry,
225 AVE_DESC_OFS_ADDRL, lower_32_bits(paddr));
226 if (priv->data->is_desc_64bit)
227 ave_desc_write(priv, id, entry,
228 AVE_DESC_OFS_ADDRU, upper_32_bits(paddr));
231 static void ave_cache_invalidate(uintptr_t vaddr, int len)
233 invalidate_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
234 roundup(vaddr + len, ARCH_DMA_MINALIGN));
237 static void ave_cache_flush(uintptr_t vaddr, int len)
239 flush_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
240 roundup(vaddr + len, ARCH_DMA_MINALIGN));
243 static int ave_mdiobus_read(struct mii_dev *bus,
244 int phyid, int devad, int regnum)
246 struct ave_private *priv = bus->priv;
251 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
254 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
255 writel(mdioctl | AVE_MDIOCTR_RREQ, priv->iobase + AVE_MDIOCTR);
257 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
258 !(mdiosr & AVE_MDIOSR_STS),
259 AVE_MDIO_TIMEOUT_USEC);
261 pr_err("%s: failed to read from mdio (phy:%d reg:%x)\n",
262 priv->phydev->dev->name, phyid, regnum);
266 return readl(priv->iobase + AVE_MDIORDR) & GENMASK(15, 0);
269 static int ave_mdiobus_write(struct mii_dev *bus,
270 int phyid, int devad, int regnum, u16 val)
272 struct ave_private *priv = bus->priv;
277 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
280 writel(val, priv->iobase + AVE_MDIOWDR);
283 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
284 writel((mdioctl | AVE_MDIOCTR_WREQ) & ~AVE_MDIOCTR_RREQ,
285 priv->iobase + AVE_MDIOCTR);
287 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
288 !(mdiosr & AVE_MDIOSR_STS),
289 AVE_MDIO_TIMEOUT_USEC);
291 pr_err("%s: failed to write to mdio (phy:%d reg:%x)\n",
292 priv->phydev->dev->name, phyid, regnum);
297 static int ave_adjust_link(struct ave_private *priv)
299 struct phy_device *phydev = priv->phydev;
300 struct eth_pdata *pdata = dev_get_platdata(phydev->dev);
301 u32 val, txcr, rxcr, rxcr_org;
302 u16 rmt_adv = 0, lcl_adv = 0;
305 /* set RGMII speed */
306 val = readl(priv->iobase + AVE_TXCR);
307 val &= ~(AVE_TXCR_TXSPD_100 | AVE_TXCR_TXSPD_1G);
309 if (phy_interface_is_rgmii(phydev) && phydev->speed == SPEED_1000)
310 val |= AVE_TXCR_TXSPD_1G;
311 else if (phydev->speed == SPEED_100)
312 val |= AVE_TXCR_TXSPD_100;
314 writel(val, priv->iobase + AVE_TXCR);
316 /* set RMII speed (100M/10M only) */
317 if (!phy_interface_is_rgmii(phydev)) {
318 val = readl(priv->iobase + AVE_LINKSEL);
319 if (phydev->speed == SPEED_10)
320 val &= ~AVE_LINKSEL_100M;
322 val |= AVE_LINKSEL_100M;
323 writel(val, priv->iobase + AVE_LINKSEL);
326 /* check current RXCR/TXCR */
327 rxcr = readl(priv->iobase + AVE_RXCR);
328 txcr = readl(priv->iobase + AVE_TXCR);
331 if (phydev->duplex) {
332 rxcr |= AVE_RXCR_FDUPEN;
335 rmt_adv |= LPA_PAUSE_CAP;
336 if (phydev->asym_pause)
337 rmt_adv |= LPA_PAUSE_ASYM;
338 if (phydev->advertising & ADVERTISED_Pause)
339 lcl_adv |= ADVERTISE_PAUSE_CAP;
340 if (phydev->advertising & ADVERTISED_Asym_Pause)
341 lcl_adv |= ADVERTISE_PAUSE_ASYM;
343 cap = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
344 if (cap & FLOW_CTRL_TX)
345 txcr |= AVE_TXCR_FLOCTR;
347 txcr &= ~AVE_TXCR_FLOCTR;
348 if (cap & FLOW_CTRL_RX)
349 rxcr |= AVE_RXCR_FLOCTR;
351 rxcr &= ~AVE_RXCR_FLOCTR;
353 rxcr &= ~AVE_RXCR_FDUPEN;
354 rxcr &= ~AVE_RXCR_FLOCTR;
355 txcr &= ~AVE_TXCR_FLOCTR;
358 if (rxcr_org != rxcr) {
360 writel(rxcr & ~AVE_RXCR_RXEN, priv->iobase + AVE_RXCR);
361 /* change and enable TX/Rx mac */
362 writel(txcr, priv->iobase + AVE_TXCR);
363 writel(rxcr, priv->iobase + AVE_RXCR);
366 pr_notice("%s: phy:%s speed:%d mac:%pM\n",
367 phydev->dev->name, phydev->drv->name, phydev->speed,
373 static int ave_mdiobus_init(struct ave_private *priv, const char *name)
375 struct mii_dev *bus = mdio_alloc();
380 bus->read = ave_mdiobus_read;
381 bus->write = ave_mdiobus_write;
382 snprintf(bus->name, sizeof(bus->name), "%s", name);
385 return mdio_register(bus);
388 static int ave_phy_init(struct ave_private *priv, void *dev)
390 struct phy_device *phydev;
391 int mask = GENMASK(31, 0), ret;
393 phydev = phy_find_by_mask(priv->bus, mask, priv->phy_mode);
397 phy_connect_dev(phydev, dev);
399 phydev->supported &= PHY_GBIT_FEATURES;
400 if (priv->max_speed) {
401 ret = phy_set_supported(phydev, priv->max_speed);
405 phydev->advertising = phydev->supported;
407 priv->phydev = phydev;
413 static void ave_stop(struct udevice *dev)
415 struct ave_private *priv = dev_get_priv(dev);
419 val = readl(priv->iobase + AVE_GRR);
423 val = readl(priv->iobase + AVE_RXCR);
424 val &= ~AVE_RXCR_RXEN;
425 writel(val, priv->iobase + AVE_RXCR);
427 writel(0, priv->iobase + AVE_DESCC);
428 ret = readl_poll_timeout(priv->iobase + AVE_DESCC, val, !val,
429 AVE_HALT_TIMEOUT_USEC);
431 pr_warn("%s: halt timeout\n", priv->phydev->dev->name);
433 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
435 phy_shutdown(priv->phydev);
438 static void ave_reset(struct ave_private *priv)
442 /* reset RMII register */
443 val = readl(priv->iobase + AVE_RSTCTRL);
444 val &= ~AVE_RSTCTRL_RMIIRST;
445 writel(val, priv->iobase + AVE_RSTCTRL);
448 writel(AVE_GRR_GRST | AVE_GRR_PHYRST, priv->iobase + AVE_GRR);
449 mdelay(AVE_GRST_DELAY_MSEC);
451 /* 1st, negate PHY reset only */
452 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
453 mdelay(AVE_GRST_DELAY_MSEC);
456 writel(0, priv->iobase + AVE_GRR);
457 mdelay(AVE_GRST_DELAY_MSEC);
459 /* negate RMII register */
460 val = readl(priv->iobase + AVE_RSTCTRL);
461 val |= AVE_RSTCTRL_RMIIRST;
462 writel(val, priv->iobase + AVE_RSTCTRL);
465 static int ave_start(struct udevice *dev)
467 struct ave_private *priv = dev_get_priv(dev);
475 priv->rx_off = 2; /* RX data has 2byte offsets */
478 (void *)roundup((uintptr_t)&priv->tx_adj_packetbuf[0],
480 priv->rx_siz = (PKTSIZE_ALIGN - priv->rx_off);
483 if (priv->phy_mode != PHY_INTERFACE_MODE_RGMII)
485 writel(val, priv->iobase + AVE_CFGR);
487 /* use one descriptor for Tx */
488 writel(AVE_DESC_SIZE(priv, 1) << 16, priv->iobase + AVE_TXDC);
489 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, 0);
490 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, 0);
492 /* use PKTBUFSRX descriptors for Rx */
493 writel(AVE_DESC_SIZE(priv, PKTBUFSRX) << 16, priv->iobase + AVE_RXDC);
494 for (i = 0; i < PKTBUFSRX; i++) {
495 paddr = (uintptr_t)net_rx_packets[i];
496 ave_cache_flush(paddr, priv->rx_siz + priv->rx_off);
497 ave_desc_write_addr(priv, AVE_DESCID_RX, i, paddr);
498 ave_desc_write_cmdsts(priv, AVE_DESCID_RX, i, priv->rx_siz);
501 writel(AVE_GISR_CLR, priv->iobase + AVE_GISR);
502 writel(AVE_GIMR_CLR, priv->iobase + AVE_GIMR);
504 writel(AVE_RXCR_RXEN | AVE_RXCR_FDUPEN | AVE_RXCR_FLOCTR | AVE_RXCR_MTU,
505 priv->iobase + AVE_RXCR);
506 writel(AVE_DESCC_RD0 | AVE_DESCC_TD, priv->iobase + AVE_DESCC);
508 phy_startup(priv->phydev);
509 ave_adjust_link(priv);
514 static int ave_write_hwaddr(struct udevice *dev)
516 struct ave_private *priv = dev_get_priv(dev);
517 struct eth_pdata *pdata = dev_get_platdata(dev);
518 u8 *mac = pdata->enetaddr;
520 writel(mac[0] | mac[1] << 8 | mac[2] << 16 | mac[3] << 24,
521 priv->iobase + AVE_RXMAC1R);
522 writel(mac[4] | mac[5] << 8, priv->iobase + AVE_RXMAC2R);
527 static int ave_send(struct udevice *dev, void *packet, int length)
529 struct ave_private *priv = dev_get_priv(dev);
534 /* adjust alignment for descriptor */
535 if ((uintptr_t)ptr & 0x3) {
536 memcpy(priv->tx_adj_buf, (const void *)ptr, length);
537 ptr = priv->tx_adj_buf;
540 /* padding for minimum length */
541 if (length < AVE_MIN_XMITSIZE) {
542 memset(ptr + length, 0, AVE_MIN_XMITSIZE - length);
543 length = AVE_MIN_XMITSIZE;
546 /* check ownership and wait for previous xmit done */
547 count = AVE_SEND_TIMEOUT_COUNT;
549 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
550 } while ((val & AVE_STS_OWN) && --count);
554 ave_cache_flush((uintptr_t)ptr, length);
555 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, (uintptr_t)ptr);
557 val = AVE_STS_OWN | AVE_STS_1ST | AVE_STS_LAST |
558 (length & AVE_STS_PKTLEN_TX_MASK);
559 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, val);
562 count = AVE_SEND_TIMEOUT_COUNT;
564 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
565 } while ((val & AVE_STS_OWN) && --count);
569 if (!(val & AVE_STS_OK))
570 pr_warn("%s: bad send packet status:%08x\n",
571 priv->phydev->dev->name, le32_to_cpu(val));
576 static int ave_recv(struct udevice *dev, int flags, uchar **packetp)
578 struct ave_private *priv = dev_get_priv(dev);
584 cmdsts = ave_desc_read_cmdsts(priv, AVE_DESCID_RX,
586 if (!(cmdsts & AVE_STS_OWN))
587 /* hardware ownership, no received packets */
590 ptr = net_rx_packets[priv->rx_pos] + priv->rx_off;
591 if (cmdsts & AVE_STS_OK)
594 pr_warn("%s: bad packet[%d] status:%08x ptr:%p\n",
595 priv->phydev->dev->name, priv->rx_pos,
596 le32_to_cpu(cmdsts), ptr);
599 length = cmdsts & AVE_STS_PKTLEN_RX_MASK;
601 /* invalidate after DMA is done */
602 ave_cache_invalidate((uintptr_t)ptr, length);
608 static int ave_free_packet(struct udevice *dev, uchar *packet, int length)
610 struct ave_private *priv = dev_get_priv(dev);
612 ave_cache_flush((uintptr_t)net_rx_packets[priv->rx_pos],
613 priv->rx_siz + priv->rx_off);
615 ave_desc_write_cmdsts(priv, AVE_DESCID_RX,
616 priv->rx_pos, priv->rx_siz);
618 if (++priv->rx_pos >= PKTBUFSRX)
624 static int ave_pro4_get_pinmode(struct ave_private *priv)
626 u32 reg, mask, val = 0;
628 if (priv->regmap_arg > 0)
631 mask = SG_ETPINMODE_RMII(0);
633 switch (priv->phy_mode) {
634 case PHY_INTERFACE_MODE_RMII:
635 val = SG_ETPINMODE_RMII(0);
637 case PHY_INTERFACE_MODE_MII:
638 case PHY_INTERFACE_MODE_RGMII:
644 regmap_read(priv->regmap, SG_ETPINMODE, ®);
647 regmap_write(priv->regmap, SG_ETPINMODE, reg);
652 static int ave_ld11_get_pinmode(struct ave_private *priv)
654 u32 reg, mask, val = 0;
656 if (priv->regmap_arg > 0)
659 mask = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
661 switch (priv->phy_mode) {
662 case PHY_INTERFACE_MODE_INTERNAL:
664 case PHY_INTERFACE_MODE_RMII:
665 val = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
671 regmap_read(priv->regmap, SG_ETPINMODE, ®);
674 regmap_write(priv->regmap, SG_ETPINMODE, reg);
679 static int ave_ld20_get_pinmode(struct ave_private *priv)
681 u32 reg, mask, val = 0;
683 if (priv->regmap_arg > 0)
686 mask = SG_ETPINMODE_RMII(0);
688 switch (priv->phy_mode) {
689 case PHY_INTERFACE_MODE_RMII:
690 val = SG_ETPINMODE_RMII(0);
692 case PHY_INTERFACE_MODE_RGMII:
698 regmap_read(priv->regmap, SG_ETPINMODE, ®);
701 regmap_write(priv->regmap, SG_ETPINMODE, reg);
706 static int ave_pxs3_get_pinmode(struct ave_private *priv)
708 u32 reg, mask, val = 0;
710 if (priv->regmap_arg > 1)
713 mask = SG_ETPINMODE_RMII(priv->regmap_arg);
715 switch (priv->phy_mode) {
716 case PHY_INTERFACE_MODE_RMII:
717 val = SG_ETPINMODE_RMII(priv->regmap_arg);
719 case PHY_INTERFACE_MODE_RGMII:
725 regmap_read(priv->regmap, SG_ETPINMODE, ®);
728 regmap_write(priv->regmap, SG_ETPINMODE, reg);
733 static int ave_ofdata_to_platdata(struct udevice *dev)
735 struct eth_pdata *pdata = dev_get_platdata(dev);
736 struct ave_private *priv = dev_get_priv(dev);
737 struct ofnode_phandle_args args;
738 const char *phy_mode;
743 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
747 pdata->iobase = devfdt_get_addr(dev);
748 pdata->phy_interface = -1;
749 phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode",
752 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
753 if (pdata->phy_interface == -1) {
754 dev_err(dev, "Invalid PHY interface '%s'\n", phy_mode);
758 pdata->max_speed = 0;
759 valp = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "max-speed",
762 pdata->max_speed = fdt32_to_cpu(*valp);
764 for (nc = 0; nc < AVE_MAX_CLKS; nc++) {
765 name = priv->data->clock_names[nc];
768 ret = clk_get_by_name(dev, name, &priv->clk[nc]);
770 dev_err(dev, "Failed to get clocks property: %d\n",
777 for (nr = 0; nr < AVE_MAX_RSTS; nr++) {
778 name = priv->data->reset_names[nr];
781 ret = reset_get_by_name(dev, name, &priv->rst[nr]);
783 dev_err(dev, "Failed to get resets property: %d\n",
790 ret = dev_read_phandle_with_args(dev, "socionext,syscon-phy-mode",
793 dev_err(dev, "Failed to get syscon-phy-mode property: %d\n",
798 priv->regmap = syscon_node_to_regmap(args.node);
799 if (IS_ERR(priv->regmap)) {
800 ret = PTR_ERR(priv->regmap);
801 dev_err(dev, "can't get syscon: %d\n", ret);
805 if (args.args_count != 1) {
807 dev_err(dev, "Invalid argument of syscon-phy-mode\n");
811 priv->regmap_arg = args.args[0];
817 reset_free(&priv->rst[nr]);
820 clk_free(&priv->clk[nc]);
825 static int ave_probe(struct udevice *dev)
827 struct eth_pdata *pdata = dev_get_platdata(dev);
828 struct ave_private *priv = dev_get_priv(dev);
831 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
835 priv->iobase = pdata->iobase;
836 priv->phy_mode = pdata->phy_interface;
837 priv->max_speed = pdata->max_speed;
839 ret = priv->data->get_pinmode(priv);
841 dev_err(dev, "Invalid phy-mode\n");
845 for (nc = 0; nc < priv->nclks; nc++) {
846 ret = clk_enable(&priv->clk[nc]);
848 dev_err(dev, "Failed to enable clk: %d\n", ret);
849 goto out_clk_release;
853 for (nr = 0; nr < priv->nrsts; nr++) {
854 ret = reset_deassert(&priv->rst[nr]);
856 dev_err(dev, "Failed to deassert reset: %d\n", ret);
857 goto out_reset_release;
863 ret = ave_mdiobus_init(priv, dev->name);
865 dev_err(dev, "Failed to initialize mdiobus: %d\n", ret);
866 goto out_reset_release;
869 priv->bus = miiphy_get_dev_by_name(dev->name);
871 ret = ave_phy_init(priv, dev);
873 dev_err(dev, "Failed to initialize phy: %d\n", ret);
874 goto out_mdiobus_release;
880 mdio_unregister(priv->bus);
881 mdio_free(priv->bus);
883 reset_release_all(priv->rst, nr);
885 clk_release_all(priv->clk, nc);
890 static int ave_remove(struct udevice *dev)
892 struct ave_private *priv = dev_get_priv(dev);
895 mdio_unregister(priv->bus);
896 mdio_free(priv->bus);
897 reset_release_all(priv->rst, priv->nrsts);
898 clk_release_all(priv->clk, priv->nclks);
903 static const struct eth_ops ave_ops = {
908 .free_pkt = ave_free_packet,
909 .write_hwaddr = ave_write_hwaddr,
912 static const struct ave_soc_data ave_pro4_data = {
913 .is_desc_64bit = false,
915 "gio", "ether", "ether-gb", "ether-phy",
920 .get_pinmode = ave_pro4_get_pinmode,
923 static const struct ave_soc_data ave_pxs2_data = {
924 .is_desc_64bit = false,
931 .get_pinmode = ave_pro4_get_pinmode,
934 static const struct ave_soc_data ave_ld11_data = {
935 .is_desc_64bit = false,
942 .get_pinmode = ave_ld11_get_pinmode,
945 static const struct ave_soc_data ave_ld20_data = {
946 .is_desc_64bit = true,
953 .get_pinmode = ave_ld20_get_pinmode,
956 static const struct ave_soc_data ave_pxs3_data = {
957 .is_desc_64bit = false,
964 .get_pinmode = ave_pxs3_get_pinmode,
967 static const struct udevice_id ave_ids[] = {
969 .compatible = "socionext,uniphier-pro4-ave4",
970 .data = (ulong)&ave_pro4_data,
973 .compatible = "socionext,uniphier-pxs2-ave4",
974 .data = (ulong)&ave_pxs2_data,
977 .compatible = "socionext,uniphier-ld11-ave4",
978 .data = (ulong)&ave_ld11_data,
981 .compatible = "socionext,uniphier-ld20-ave4",
982 .data = (ulong)&ave_ld20_data,
985 .compatible = "socionext,uniphier-pxs3-ave4",
986 .data = (ulong)&ave_pxs3_data,
991 U_BOOT_DRIVER(ave) = {
996 .remove = ave_remove,
997 .ofdata_to_platdata = ave_ofdata_to_platdata,
999 .priv_auto_alloc_size = sizeof(struct ave_private),
1000 .platdata_auto_alloc_size = sizeof(struct eth_pdata),