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>
17 #include <asm/cache.h>
18 #include <dm/device_compat.h>
19 #include <linux/err.h>
21 #include <linux/iopoll.h>
23 #define AVE_GRST_DELAY_MSEC 40
24 #define AVE_MIN_XMITSIZE 60
25 #define AVE_SEND_TIMEOUT_COUNT 1000
26 #define AVE_MDIO_TIMEOUT_USEC 10000
27 #define AVE_HALT_TIMEOUT_USEC 10000
29 /* General Register Group */
30 #define AVE_IDR 0x000 /* ID */
31 #define AVE_VR 0x004 /* Version */
32 #define AVE_GRR 0x008 /* Global Reset */
33 #define AVE_CFGR 0x00c /* Configuration */
35 /* Interrupt Register Group */
36 #define AVE_GIMR 0x100 /* Global Interrupt Mask */
37 #define AVE_GISR 0x104 /* Global Interrupt Status */
39 /* MAC Register Group */
40 #define AVE_TXCR 0x200 /* TX Setup */
41 #define AVE_RXCR 0x204 /* RX Setup */
42 #define AVE_RXMAC1R 0x208 /* MAC address (lower) */
43 #define AVE_RXMAC2R 0x20c /* MAC address (upper) */
44 #define AVE_MDIOCTR 0x214 /* MDIO Control */
45 #define AVE_MDIOAR 0x218 /* MDIO Address */
46 #define AVE_MDIOWDR 0x21c /* MDIO Data */
47 #define AVE_MDIOSR 0x220 /* MDIO Status */
48 #define AVE_MDIORDR 0x224 /* MDIO Rd Data */
50 /* Descriptor Control Register Group */
51 #define AVE_DESCC 0x300 /* Descriptor Control */
52 #define AVE_TXDC 0x304 /* TX Descriptor Configuration */
53 #define AVE_RXDC 0x308 /* RX Descriptor Ring0 Configuration */
54 #define AVE_IIRQC 0x34c /* Interval IRQ Control */
56 /* 64bit descriptor memory */
57 #define AVE_DESC_SIZE_64 12 /* Descriptor Size */
58 #define AVE_TXDM_64 0x1000 /* Tx Descriptor Memory */
59 #define AVE_RXDM_64 0x1c00 /* Rx Descriptor Memory */
61 /* 32bit descriptor memory */
62 #define AVE_DESC_SIZE_32 8 /* Descriptor Size */
63 #define AVE_TXDM_32 0x1000 /* Tx Descriptor Memory */
64 #define AVE_RXDM_32 0x1800 /* Rx Descriptor Memory */
66 /* RMII Bridge Register Group */
67 #define AVE_RSTCTRL 0x8028 /* Reset control */
68 #define AVE_RSTCTRL_RMIIRST BIT(16)
69 #define AVE_LINKSEL 0x8034 /* Link speed setting */
70 #define AVE_LINKSEL_100M BIT(0)
73 #define AVE_GRR_PHYRST BIT(4) /* Reset external PHY */
74 #define AVE_GRR_GRST BIT(0) /* Reset all MAC */
77 #define AVE_CFGR_MII BIT(27) /* Func mode (1:MII/RMII, 0:RGMII) */
79 /* AVE_GISR (common with GIMR) */
80 #define AVE_GIMR_CLR 0
81 #define AVE_GISR_CLR GENMASK(31, 0)
84 #define AVE_TXCR_FLOCTR BIT(18) /* Flow control */
85 #define AVE_TXCR_TXSPD_1G BIT(17)
86 #define AVE_TXCR_TXSPD_100 BIT(16)
89 #define AVE_RXCR_RXEN BIT(30) /* Rx enable */
90 #define AVE_RXCR_FDUPEN BIT(22) /* Interface mode */
91 #define AVE_RXCR_FLOCTR BIT(21) /* Flow control */
94 #define AVE_MDIOCTR_RREQ BIT(3) /* Read request */
95 #define AVE_MDIOCTR_WREQ BIT(2) /* Write request */
98 #define AVE_MDIOSR_STS BIT(0) /* access status */
101 #define AVE_DESCC_RXDSTPSTS BIT(20)
102 #define AVE_DESCC_RD0 BIT(8) /* Enable Rx descriptor Ring0 */
103 #define AVE_DESCC_RXDSTP BIT(4) /* Pause Rx descriptor */
104 #define AVE_DESCC_TD BIT(0) /* Enable Tx descriptor */
107 #define AVE_DESC_SIZE(priv, num) \
108 ((num) * ((priv)->data->is_desc_64bit ? AVE_DESC_SIZE_64 : \
111 /* Command status for descriptor */
112 #define AVE_STS_OWN BIT(31) /* Descriptor ownership */
113 #define AVE_STS_OK BIT(27) /* Normal transmit */
114 #define AVE_STS_1ST BIT(26) /* Head of buffer chain */
115 #define AVE_STS_LAST BIT(25) /* Tail of buffer chain */
116 #define AVE_STS_PKTLEN_TX_MASK GENMASK(15, 0)
117 #define AVE_STS_PKTLEN_RX_MASK GENMASK(10, 0)
119 #define AVE_DESC_OFS_CMDSTS 0
120 #define AVE_DESC_OFS_ADDRL 4
121 #define AVE_DESC_OFS_ADDRU 8
123 /* Parameter for ethernet frame */
124 #define AVE_RXCR_MTU 1518
127 #define SG_ETPINMODE 0x540
128 #define SG_ETPINMODE_EXTPHY BIT(1) /* for LD11 */
129 #define SG_ETPINMODE_RMII(ins) BIT(ins)
131 #define AVE_MAX_CLKS 4
132 #define AVE_MAX_RSTS 2
142 struct clk clk[AVE_MAX_CLKS];
144 struct reset_ctl rst[AVE_MAX_RSTS];
145 struct regmap *regmap;
146 unsigned int regmap_arg;
149 struct phy_device *phydev;
158 u8 tx_adj_packetbuf[PKTSIZE_ALIGN + PKTALIGN];
161 const struct ave_soc_data *data;
164 struct ave_soc_data {
166 const char *clock_names[AVE_MAX_CLKS];
167 const char *reset_names[AVE_MAX_RSTS];
168 int (*get_pinmode)(struct ave_private *priv);
171 static u32 ave_desc_read(struct ave_private *priv, enum desc_id id, int entry,
177 if (priv->data->is_desc_64bit) {
178 desc_size = AVE_DESC_SIZE_64;
179 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
181 desc_size = AVE_DESC_SIZE_32;
182 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
185 addr += entry * desc_size + offset;
187 return readl(priv->iobase + addr);
190 static u32 ave_desc_read_cmdsts(struct ave_private *priv, enum desc_id id,
193 return ave_desc_read(priv, id, entry, AVE_DESC_OFS_CMDSTS);
196 static void ave_desc_write(struct ave_private *priv, enum desc_id id,
197 int entry, int offset, u32 val)
202 if (priv->data->is_desc_64bit) {
203 desc_size = AVE_DESC_SIZE_64;
204 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
206 desc_size = AVE_DESC_SIZE_32;
207 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
210 addr += entry * desc_size + offset;
211 writel(val, priv->iobase + addr);
214 static void ave_desc_write_cmdsts(struct ave_private *priv, enum desc_id id,
217 ave_desc_write(priv, id, entry, AVE_DESC_OFS_CMDSTS, val);
220 static void ave_desc_write_addr(struct ave_private *priv, enum desc_id id,
221 int entry, uintptr_t paddr)
223 ave_desc_write(priv, id, entry,
224 AVE_DESC_OFS_ADDRL, lower_32_bits(paddr));
225 if (priv->data->is_desc_64bit)
226 ave_desc_write(priv, id, entry,
227 AVE_DESC_OFS_ADDRU, upper_32_bits(paddr));
230 static void ave_cache_invalidate(uintptr_t vaddr, int len)
232 invalidate_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
233 roundup(vaddr + len, ARCH_DMA_MINALIGN));
236 static void ave_cache_flush(uintptr_t vaddr, int len)
238 flush_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
239 roundup(vaddr + len, ARCH_DMA_MINALIGN));
242 static int ave_mdiobus_read(struct mii_dev *bus,
243 int phyid, int devad, int regnum)
245 struct ave_private *priv = bus->priv;
250 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
253 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
254 writel(mdioctl | AVE_MDIOCTR_RREQ, priv->iobase + AVE_MDIOCTR);
256 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
257 !(mdiosr & AVE_MDIOSR_STS),
258 AVE_MDIO_TIMEOUT_USEC);
260 pr_err("%s: failed to read from mdio (phy:%d reg:%x)\n",
261 priv->phydev->dev->name, phyid, regnum);
265 return readl(priv->iobase + AVE_MDIORDR) & GENMASK(15, 0);
268 static int ave_mdiobus_write(struct mii_dev *bus,
269 int phyid, int devad, int regnum, u16 val)
271 struct ave_private *priv = bus->priv;
276 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
279 writel(val, priv->iobase + AVE_MDIOWDR);
282 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
283 writel((mdioctl | AVE_MDIOCTR_WREQ) & ~AVE_MDIOCTR_RREQ,
284 priv->iobase + AVE_MDIOCTR);
286 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
287 !(mdiosr & AVE_MDIOSR_STS),
288 AVE_MDIO_TIMEOUT_USEC);
290 pr_err("%s: failed to write to mdio (phy:%d reg:%x)\n",
291 priv->phydev->dev->name, phyid, regnum);
296 static int ave_adjust_link(struct ave_private *priv)
298 struct phy_device *phydev = priv->phydev;
299 struct eth_pdata *pdata = dev_get_platdata(phydev->dev);
300 u32 val, txcr, rxcr, rxcr_org;
301 u16 rmt_adv = 0, lcl_adv = 0;
304 /* set RGMII speed */
305 val = readl(priv->iobase + AVE_TXCR);
306 val &= ~(AVE_TXCR_TXSPD_100 | AVE_TXCR_TXSPD_1G);
308 if (phy_interface_is_rgmii(phydev) && phydev->speed == SPEED_1000)
309 val |= AVE_TXCR_TXSPD_1G;
310 else if (phydev->speed == SPEED_100)
311 val |= AVE_TXCR_TXSPD_100;
313 writel(val, priv->iobase + AVE_TXCR);
315 /* set RMII speed (100M/10M only) */
316 if (!phy_interface_is_rgmii(phydev)) {
317 val = readl(priv->iobase + AVE_LINKSEL);
318 if (phydev->speed == SPEED_10)
319 val &= ~AVE_LINKSEL_100M;
321 val |= AVE_LINKSEL_100M;
322 writel(val, priv->iobase + AVE_LINKSEL);
325 /* check current RXCR/TXCR */
326 rxcr = readl(priv->iobase + AVE_RXCR);
327 txcr = readl(priv->iobase + AVE_TXCR);
330 if (phydev->duplex) {
331 rxcr |= AVE_RXCR_FDUPEN;
334 rmt_adv |= LPA_PAUSE_CAP;
335 if (phydev->asym_pause)
336 rmt_adv |= LPA_PAUSE_ASYM;
337 if (phydev->advertising & ADVERTISED_Pause)
338 lcl_adv |= ADVERTISE_PAUSE_CAP;
339 if (phydev->advertising & ADVERTISED_Asym_Pause)
340 lcl_adv |= ADVERTISE_PAUSE_ASYM;
342 cap = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
343 if (cap & FLOW_CTRL_TX)
344 txcr |= AVE_TXCR_FLOCTR;
346 txcr &= ~AVE_TXCR_FLOCTR;
347 if (cap & FLOW_CTRL_RX)
348 rxcr |= AVE_RXCR_FLOCTR;
350 rxcr &= ~AVE_RXCR_FLOCTR;
352 rxcr &= ~AVE_RXCR_FDUPEN;
353 rxcr &= ~AVE_RXCR_FLOCTR;
354 txcr &= ~AVE_TXCR_FLOCTR;
357 if (rxcr_org != rxcr) {
359 writel(rxcr & ~AVE_RXCR_RXEN, priv->iobase + AVE_RXCR);
360 /* change and enable TX/Rx mac */
361 writel(txcr, priv->iobase + AVE_TXCR);
362 writel(rxcr, priv->iobase + AVE_RXCR);
365 pr_notice("%s: phy:%s speed:%d mac:%pM\n",
366 phydev->dev->name, phydev->drv->name, phydev->speed,
372 static int ave_mdiobus_init(struct ave_private *priv, const char *name)
374 struct mii_dev *bus = mdio_alloc();
379 bus->read = ave_mdiobus_read;
380 bus->write = ave_mdiobus_write;
381 snprintf(bus->name, sizeof(bus->name), "%s", name);
384 return mdio_register(bus);
387 static int ave_phy_init(struct ave_private *priv, void *dev)
389 struct phy_device *phydev;
390 int mask = GENMASK(31, 0), ret;
392 phydev = phy_find_by_mask(priv->bus, mask, priv->phy_mode);
396 phy_connect_dev(phydev, dev);
398 phydev->supported &= PHY_GBIT_FEATURES;
399 if (priv->max_speed) {
400 ret = phy_set_supported(phydev, priv->max_speed);
404 phydev->advertising = phydev->supported;
406 priv->phydev = phydev;
412 static void ave_stop(struct udevice *dev)
414 struct ave_private *priv = dev_get_priv(dev);
418 val = readl(priv->iobase + AVE_GRR);
422 val = readl(priv->iobase + AVE_RXCR);
423 val &= ~AVE_RXCR_RXEN;
424 writel(val, priv->iobase + AVE_RXCR);
426 writel(0, priv->iobase + AVE_DESCC);
427 ret = readl_poll_timeout(priv->iobase + AVE_DESCC, val, !val,
428 AVE_HALT_TIMEOUT_USEC);
430 pr_warn("%s: halt timeout\n", priv->phydev->dev->name);
432 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
434 phy_shutdown(priv->phydev);
437 static void ave_reset(struct ave_private *priv)
441 /* reset RMII register */
442 val = readl(priv->iobase + AVE_RSTCTRL);
443 val &= ~AVE_RSTCTRL_RMIIRST;
444 writel(val, priv->iobase + AVE_RSTCTRL);
447 writel(AVE_GRR_GRST | AVE_GRR_PHYRST, priv->iobase + AVE_GRR);
448 mdelay(AVE_GRST_DELAY_MSEC);
450 /* 1st, negate PHY reset only */
451 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
452 mdelay(AVE_GRST_DELAY_MSEC);
455 writel(0, priv->iobase + AVE_GRR);
456 mdelay(AVE_GRST_DELAY_MSEC);
458 /* negate RMII register */
459 val = readl(priv->iobase + AVE_RSTCTRL);
460 val |= AVE_RSTCTRL_RMIIRST;
461 writel(val, priv->iobase + AVE_RSTCTRL);
464 static int ave_start(struct udevice *dev)
466 struct ave_private *priv = dev_get_priv(dev);
474 priv->rx_off = 2; /* RX data has 2byte offsets */
477 (void *)roundup((uintptr_t)&priv->tx_adj_packetbuf[0],
479 priv->rx_siz = (PKTSIZE_ALIGN - priv->rx_off);
482 if (priv->phy_mode != PHY_INTERFACE_MODE_RGMII)
484 writel(val, priv->iobase + AVE_CFGR);
486 /* use one descriptor for Tx */
487 writel(AVE_DESC_SIZE(priv, 1) << 16, priv->iobase + AVE_TXDC);
488 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, 0);
489 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, 0);
491 /* use PKTBUFSRX descriptors for Rx */
492 writel(AVE_DESC_SIZE(priv, PKTBUFSRX) << 16, priv->iobase + AVE_RXDC);
493 for (i = 0; i < PKTBUFSRX; i++) {
494 paddr = (uintptr_t)net_rx_packets[i];
495 ave_cache_flush(paddr, priv->rx_siz + priv->rx_off);
496 ave_desc_write_addr(priv, AVE_DESCID_RX, i, paddr);
497 ave_desc_write_cmdsts(priv, AVE_DESCID_RX, i, priv->rx_siz);
500 writel(AVE_GISR_CLR, priv->iobase + AVE_GISR);
501 writel(AVE_GIMR_CLR, priv->iobase + AVE_GIMR);
503 writel(AVE_RXCR_RXEN | AVE_RXCR_FDUPEN | AVE_RXCR_FLOCTR | AVE_RXCR_MTU,
504 priv->iobase + AVE_RXCR);
505 writel(AVE_DESCC_RD0 | AVE_DESCC_TD, priv->iobase + AVE_DESCC);
507 phy_startup(priv->phydev);
508 ave_adjust_link(priv);
513 static int ave_write_hwaddr(struct udevice *dev)
515 struct ave_private *priv = dev_get_priv(dev);
516 struct eth_pdata *pdata = dev_get_platdata(dev);
517 u8 *mac = pdata->enetaddr;
519 writel(mac[0] | mac[1] << 8 | mac[2] << 16 | mac[3] << 24,
520 priv->iobase + AVE_RXMAC1R);
521 writel(mac[4] | mac[5] << 8, priv->iobase + AVE_RXMAC2R);
526 static int ave_send(struct udevice *dev, void *packet, int length)
528 struct ave_private *priv = dev_get_priv(dev);
533 /* adjust alignment for descriptor */
534 if ((uintptr_t)ptr & 0x3) {
535 memcpy(priv->tx_adj_buf, (const void *)ptr, length);
536 ptr = priv->tx_adj_buf;
539 /* padding for minimum length */
540 if (length < AVE_MIN_XMITSIZE) {
541 memset(ptr + length, 0, AVE_MIN_XMITSIZE - length);
542 length = AVE_MIN_XMITSIZE;
545 /* check ownership and wait for previous xmit done */
546 count = AVE_SEND_TIMEOUT_COUNT;
548 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
549 } while ((val & AVE_STS_OWN) && --count);
553 ave_cache_flush((uintptr_t)ptr, length);
554 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, (uintptr_t)ptr);
556 val = AVE_STS_OWN | AVE_STS_1ST | AVE_STS_LAST |
557 (length & AVE_STS_PKTLEN_TX_MASK);
558 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, val);
561 count = AVE_SEND_TIMEOUT_COUNT;
563 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
564 } while ((val & AVE_STS_OWN) && --count);
568 if (!(val & AVE_STS_OK))
569 pr_warn("%s: bad send packet status:%08x\n",
570 priv->phydev->dev->name, le32_to_cpu(val));
575 static int ave_recv(struct udevice *dev, int flags, uchar **packetp)
577 struct ave_private *priv = dev_get_priv(dev);
583 cmdsts = ave_desc_read_cmdsts(priv, AVE_DESCID_RX,
585 if (!(cmdsts & AVE_STS_OWN))
586 /* hardware ownership, no received packets */
589 ptr = net_rx_packets[priv->rx_pos] + priv->rx_off;
590 if (cmdsts & AVE_STS_OK)
593 pr_warn("%s: bad packet[%d] status:%08x ptr:%p\n",
594 priv->phydev->dev->name, priv->rx_pos,
595 le32_to_cpu(cmdsts), ptr);
598 length = cmdsts & AVE_STS_PKTLEN_RX_MASK;
600 /* invalidate after DMA is done */
601 ave_cache_invalidate((uintptr_t)ptr, length);
607 static int ave_free_packet(struct udevice *dev, uchar *packet, int length)
609 struct ave_private *priv = dev_get_priv(dev);
611 ave_cache_flush((uintptr_t)net_rx_packets[priv->rx_pos],
612 priv->rx_siz + priv->rx_off);
614 ave_desc_write_cmdsts(priv, AVE_DESCID_RX,
615 priv->rx_pos, priv->rx_siz);
617 if (++priv->rx_pos >= PKTBUFSRX)
623 static int ave_pro4_get_pinmode(struct ave_private *priv)
625 u32 reg, mask, val = 0;
627 if (priv->regmap_arg > 0)
630 mask = SG_ETPINMODE_RMII(0);
632 switch (priv->phy_mode) {
633 case PHY_INTERFACE_MODE_RMII:
634 val = SG_ETPINMODE_RMII(0);
636 case PHY_INTERFACE_MODE_MII:
637 case PHY_INTERFACE_MODE_RGMII:
643 regmap_read(priv->regmap, SG_ETPINMODE, ®);
646 regmap_write(priv->regmap, SG_ETPINMODE, reg);
651 static int ave_ld11_get_pinmode(struct ave_private *priv)
653 u32 reg, mask, val = 0;
655 if (priv->regmap_arg > 0)
658 mask = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
660 switch (priv->phy_mode) {
661 case PHY_INTERFACE_MODE_INTERNAL:
663 case PHY_INTERFACE_MODE_RMII:
664 val = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
670 regmap_read(priv->regmap, SG_ETPINMODE, ®);
673 regmap_write(priv->regmap, SG_ETPINMODE, reg);
678 static int ave_ld20_get_pinmode(struct ave_private *priv)
680 u32 reg, mask, val = 0;
682 if (priv->regmap_arg > 0)
685 mask = SG_ETPINMODE_RMII(0);
687 switch (priv->phy_mode) {
688 case PHY_INTERFACE_MODE_RMII:
689 val = SG_ETPINMODE_RMII(0);
691 case PHY_INTERFACE_MODE_RGMII:
697 regmap_read(priv->regmap, SG_ETPINMODE, ®);
700 regmap_write(priv->regmap, SG_ETPINMODE, reg);
705 static int ave_pxs3_get_pinmode(struct ave_private *priv)
707 u32 reg, mask, val = 0;
709 if (priv->regmap_arg > 1)
712 mask = SG_ETPINMODE_RMII(priv->regmap_arg);
714 switch (priv->phy_mode) {
715 case PHY_INTERFACE_MODE_RMII:
716 val = SG_ETPINMODE_RMII(priv->regmap_arg);
718 case PHY_INTERFACE_MODE_RGMII:
724 regmap_read(priv->regmap, SG_ETPINMODE, ®);
727 regmap_write(priv->regmap, SG_ETPINMODE, reg);
732 static int ave_ofdata_to_platdata(struct udevice *dev)
734 struct eth_pdata *pdata = dev_get_platdata(dev);
735 struct ave_private *priv = dev_get_priv(dev);
736 struct ofnode_phandle_args args;
737 const char *phy_mode;
742 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
746 pdata->iobase = devfdt_get_addr(dev);
747 pdata->phy_interface = -1;
748 phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode",
751 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
752 if (pdata->phy_interface == -1) {
753 dev_err(dev, "Invalid PHY interface '%s'\n", phy_mode);
757 pdata->max_speed = 0;
758 valp = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "max-speed",
761 pdata->max_speed = fdt32_to_cpu(*valp);
763 for (nc = 0; nc < AVE_MAX_CLKS; nc++) {
764 name = priv->data->clock_names[nc];
767 ret = clk_get_by_name(dev, name, &priv->clk[nc]);
769 dev_err(dev, "Failed to get clocks property: %d\n",
776 for (nr = 0; nr < AVE_MAX_RSTS; nr++) {
777 name = priv->data->reset_names[nr];
780 ret = reset_get_by_name(dev, name, &priv->rst[nr]);
782 dev_err(dev, "Failed to get resets property: %d\n",
789 ret = dev_read_phandle_with_args(dev, "socionext,syscon-phy-mode",
792 dev_err(dev, "Failed to get syscon-phy-mode property: %d\n",
797 priv->regmap = syscon_node_to_regmap(args.node);
798 if (IS_ERR(priv->regmap)) {
799 ret = PTR_ERR(priv->regmap);
800 dev_err(dev, "can't get syscon: %d\n", ret);
804 if (args.args_count != 1) {
806 dev_err(dev, "Invalid argument of syscon-phy-mode\n");
810 priv->regmap_arg = args.args[0];
816 reset_free(&priv->rst[nr]);
819 clk_free(&priv->clk[nc]);
824 static int ave_probe(struct udevice *dev)
826 struct eth_pdata *pdata = dev_get_platdata(dev);
827 struct ave_private *priv = dev_get_priv(dev);
830 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
834 priv->iobase = pdata->iobase;
835 priv->phy_mode = pdata->phy_interface;
836 priv->max_speed = pdata->max_speed;
838 ret = priv->data->get_pinmode(priv);
840 dev_err(dev, "Invalid phy-mode\n");
844 for (nc = 0; nc < priv->nclks; nc++) {
845 ret = clk_enable(&priv->clk[nc]);
847 dev_err(dev, "Failed to enable clk: %d\n", ret);
848 goto out_clk_release;
852 for (nr = 0; nr < priv->nrsts; nr++) {
853 ret = reset_deassert(&priv->rst[nr]);
855 dev_err(dev, "Failed to deassert reset: %d\n", ret);
856 goto out_reset_release;
862 ret = ave_mdiobus_init(priv, dev->name);
864 dev_err(dev, "Failed to initialize mdiobus: %d\n", ret);
865 goto out_reset_release;
868 priv->bus = miiphy_get_dev_by_name(dev->name);
870 ret = ave_phy_init(priv, dev);
872 dev_err(dev, "Failed to initialize phy: %d\n", ret);
873 goto out_mdiobus_release;
879 mdio_unregister(priv->bus);
880 mdio_free(priv->bus);
882 reset_release_all(priv->rst, nr);
884 clk_release_all(priv->clk, nc);
889 static int ave_remove(struct udevice *dev)
891 struct ave_private *priv = dev_get_priv(dev);
894 mdio_unregister(priv->bus);
895 mdio_free(priv->bus);
896 reset_release_all(priv->rst, priv->nrsts);
897 clk_release_all(priv->clk, priv->nclks);
902 static const struct eth_ops ave_ops = {
907 .free_pkt = ave_free_packet,
908 .write_hwaddr = ave_write_hwaddr,
911 static const struct ave_soc_data ave_pro4_data = {
912 .is_desc_64bit = false,
914 "gio", "ether", "ether-gb", "ether-phy",
919 .get_pinmode = ave_pro4_get_pinmode,
922 static const struct ave_soc_data ave_pxs2_data = {
923 .is_desc_64bit = false,
930 .get_pinmode = ave_pro4_get_pinmode,
933 static const struct ave_soc_data ave_ld11_data = {
934 .is_desc_64bit = false,
941 .get_pinmode = ave_ld11_get_pinmode,
944 static const struct ave_soc_data ave_ld20_data = {
945 .is_desc_64bit = true,
952 .get_pinmode = ave_ld20_get_pinmode,
955 static const struct ave_soc_data ave_pxs3_data = {
956 .is_desc_64bit = false,
963 .get_pinmode = ave_pxs3_get_pinmode,
966 static const struct udevice_id ave_ids[] = {
968 .compatible = "socionext,uniphier-pro4-ave4",
969 .data = (ulong)&ave_pro4_data,
972 .compatible = "socionext,uniphier-pxs2-ave4",
973 .data = (ulong)&ave_pxs2_data,
976 .compatible = "socionext,uniphier-ld11-ave4",
977 .data = (ulong)&ave_ld11_data,
980 .compatible = "socionext,uniphier-ld20-ave4",
981 .data = (ulong)&ave_ld20_data,
984 .compatible = "socionext,uniphier-pxs3-ave4",
985 .data = (ulong)&ave_pxs3_data,
990 U_BOOT_DRIVER(ave) = {
995 .remove = ave_remove,
996 .ofdata_to_platdata = ave_ofdata_to_platdata,
998 .priv_auto_alloc_size = sizeof(struct ave_private),
999 .platdata_auto_alloc_size = sizeof(struct eth_pdata),