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 <asm/global_data.h>
20 #include <dm/device_compat.h>
21 #include <linux/bitops.h>
22 #include <linux/delay.h>
23 #include <linux/err.h>
25 #include <linux/iopoll.h>
27 #define AVE_GRST_DELAY_MSEC 40
28 #define AVE_MIN_XMITSIZE 60
29 #define AVE_SEND_TIMEOUT_COUNT 1000
30 #define AVE_MDIO_TIMEOUT_USEC 10000
31 #define AVE_HALT_TIMEOUT_USEC 10000
33 /* General Register Group */
34 #define AVE_IDR 0x000 /* ID */
35 #define AVE_VR 0x004 /* Version */
36 #define AVE_GRR 0x008 /* Global Reset */
37 #define AVE_CFGR 0x00c /* Configuration */
39 /* Interrupt Register Group */
40 #define AVE_GIMR 0x100 /* Global Interrupt Mask */
41 #define AVE_GISR 0x104 /* Global Interrupt Status */
43 /* MAC Register Group */
44 #define AVE_TXCR 0x200 /* TX Setup */
45 #define AVE_RXCR 0x204 /* RX Setup */
46 #define AVE_RXMAC1R 0x208 /* MAC address (lower) */
47 #define AVE_RXMAC2R 0x20c /* MAC address (upper) */
48 #define AVE_MDIOCTR 0x214 /* MDIO Control */
49 #define AVE_MDIOAR 0x218 /* MDIO Address */
50 #define AVE_MDIOWDR 0x21c /* MDIO Data */
51 #define AVE_MDIOSR 0x220 /* MDIO Status */
52 #define AVE_MDIORDR 0x224 /* MDIO Rd Data */
54 /* Descriptor Control Register Group */
55 #define AVE_DESCC 0x300 /* Descriptor Control */
56 #define AVE_TXDC 0x304 /* TX Descriptor Configuration */
57 #define AVE_RXDC 0x308 /* RX Descriptor Ring0 Configuration */
58 #define AVE_IIRQC 0x34c /* Interval IRQ Control */
60 /* 64bit descriptor memory */
61 #define AVE_DESC_SIZE_64 12 /* Descriptor Size */
62 #define AVE_TXDM_64 0x1000 /* Tx Descriptor Memory */
63 #define AVE_RXDM_64 0x1c00 /* Rx Descriptor Memory */
65 /* 32bit descriptor memory */
66 #define AVE_DESC_SIZE_32 8 /* Descriptor Size */
67 #define AVE_TXDM_32 0x1000 /* Tx Descriptor Memory */
68 #define AVE_RXDM_32 0x1800 /* Rx Descriptor Memory */
70 /* RMII Bridge Register Group */
71 #define AVE_RSTCTRL 0x8028 /* Reset control */
72 #define AVE_RSTCTRL_RMIIRST BIT(16)
73 #define AVE_LINKSEL 0x8034 /* Link speed setting */
74 #define AVE_LINKSEL_100M BIT(0)
77 #define AVE_GRR_PHYRST BIT(4) /* Reset external PHY */
78 #define AVE_GRR_GRST BIT(0) /* Reset all MAC */
81 #define AVE_CFGR_MII BIT(27) /* Func mode (1:MII/RMII, 0:RGMII) */
83 /* AVE_GISR (common with GIMR) */
84 #define AVE_GIMR_CLR 0
85 #define AVE_GISR_CLR GENMASK(31, 0)
88 #define AVE_TXCR_FLOCTR BIT(18) /* Flow control */
89 #define AVE_TXCR_TXSPD_1G BIT(17)
90 #define AVE_TXCR_TXSPD_100 BIT(16)
93 #define AVE_RXCR_RXEN BIT(30) /* Rx enable */
94 #define AVE_RXCR_FDUPEN BIT(22) /* Interface mode */
95 #define AVE_RXCR_FLOCTR BIT(21) /* Flow control */
98 #define AVE_MDIOCTR_RREQ BIT(3) /* Read request */
99 #define AVE_MDIOCTR_WREQ BIT(2) /* Write request */
102 #define AVE_MDIOSR_STS BIT(0) /* access status */
105 #define AVE_DESCC_RXDSTPSTS BIT(20)
106 #define AVE_DESCC_RD0 BIT(8) /* Enable Rx descriptor Ring0 */
107 #define AVE_DESCC_RXDSTP BIT(4) /* Pause Rx descriptor */
108 #define AVE_DESCC_TD BIT(0) /* Enable Tx descriptor */
111 #define AVE_DESC_SIZE(priv, num) \
112 ((num) * ((priv)->data->is_desc_64bit ? AVE_DESC_SIZE_64 : \
115 /* Command status for descriptor */
116 #define AVE_STS_OWN BIT(31) /* Descriptor ownership */
117 #define AVE_STS_OK BIT(27) /* Normal transmit */
118 #define AVE_STS_1ST BIT(26) /* Head of buffer chain */
119 #define AVE_STS_LAST BIT(25) /* Tail of buffer chain */
120 #define AVE_STS_PKTLEN_TX_MASK GENMASK(15, 0)
121 #define AVE_STS_PKTLEN_RX_MASK GENMASK(10, 0)
123 #define AVE_DESC_OFS_CMDSTS 0
124 #define AVE_DESC_OFS_ADDRL 4
125 #define AVE_DESC_OFS_ADDRU 8
127 /* Parameter for ethernet frame */
128 #define AVE_RXCR_MTU 1518
131 #define SG_ETPINMODE 0x540
132 #define SG_ETPINMODE_EXTPHY BIT(1) /* for LD11 */
133 #define SG_ETPINMODE_RMII(ins) BIT(ins)
135 #define AVE_MAX_CLKS 4
136 #define AVE_MAX_RSTS 2
146 struct clk clk[AVE_MAX_CLKS];
148 struct reset_ctl rst[AVE_MAX_RSTS];
149 struct regmap *regmap;
150 unsigned int regmap_arg;
153 struct phy_device *phydev;
162 u8 tx_adj_packetbuf[PKTSIZE_ALIGN + PKTALIGN];
165 const struct ave_soc_data *data;
168 struct ave_soc_data {
170 const char *clock_names[AVE_MAX_CLKS];
171 const char *reset_names[AVE_MAX_RSTS];
172 int (*get_pinmode)(struct ave_private *priv);
175 static u32 ave_desc_read(struct ave_private *priv, enum desc_id id, int entry,
181 if (priv->data->is_desc_64bit) {
182 desc_size = AVE_DESC_SIZE_64;
183 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
185 desc_size = AVE_DESC_SIZE_32;
186 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
189 addr += entry * desc_size + offset;
191 return readl(priv->iobase + addr);
194 static u32 ave_desc_read_cmdsts(struct ave_private *priv, enum desc_id id,
197 return ave_desc_read(priv, id, entry, AVE_DESC_OFS_CMDSTS);
200 static void ave_desc_write(struct ave_private *priv, enum desc_id id,
201 int entry, int offset, u32 val)
206 if (priv->data->is_desc_64bit) {
207 desc_size = AVE_DESC_SIZE_64;
208 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
210 desc_size = AVE_DESC_SIZE_32;
211 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
214 addr += entry * desc_size + offset;
215 writel(val, priv->iobase + addr);
218 static void ave_desc_write_cmdsts(struct ave_private *priv, enum desc_id id,
221 ave_desc_write(priv, id, entry, AVE_DESC_OFS_CMDSTS, val);
224 static void ave_desc_write_addr(struct ave_private *priv, enum desc_id id,
225 int entry, uintptr_t paddr)
227 ave_desc_write(priv, id, entry,
228 AVE_DESC_OFS_ADDRL, lower_32_bits(paddr));
229 if (priv->data->is_desc_64bit)
230 ave_desc_write(priv, id, entry,
231 AVE_DESC_OFS_ADDRU, upper_32_bits(paddr));
234 static void ave_cache_invalidate(uintptr_t vaddr, int len)
236 invalidate_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
237 roundup(vaddr + len, ARCH_DMA_MINALIGN));
240 static void ave_cache_flush(uintptr_t vaddr, int len)
242 flush_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
243 roundup(vaddr + len, ARCH_DMA_MINALIGN));
246 static int ave_mdiobus_read(struct mii_dev *bus,
247 int phyid, int devad, int regnum)
249 struct ave_private *priv = bus->priv;
254 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
257 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
258 writel(mdioctl | AVE_MDIOCTR_RREQ, priv->iobase + AVE_MDIOCTR);
260 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
261 !(mdiosr & AVE_MDIOSR_STS),
262 AVE_MDIO_TIMEOUT_USEC);
264 pr_err("%s: failed to read from mdio (phy:%d reg:%x)\n",
265 priv->phydev->dev->name, phyid, regnum);
269 return readl(priv->iobase + AVE_MDIORDR) & GENMASK(15, 0);
272 static int ave_mdiobus_write(struct mii_dev *bus,
273 int phyid, int devad, int regnum, u16 val)
275 struct ave_private *priv = bus->priv;
280 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
283 writel(val, priv->iobase + AVE_MDIOWDR);
286 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
287 writel((mdioctl | AVE_MDIOCTR_WREQ) & ~AVE_MDIOCTR_RREQ,
288 priv->iobase + AVE_MDIOCTR);
290 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
291 !(mdiosr & AVE_MDIOSR_STS),
292 AVE_MDIO_TIMEOUT_USEC);
294 pr_err("%s: failed to write to mdio (phy:%d reg:%x)\n",
295 priv->phydev->dev->name, phyid, regnum);
300 static int ave_adjust_link(struct ave_private *priv)
302 struct phy_device *phydev = priv->phydev;
303 struct eth_pdata *pdata = dev_get_plat(phydev->dev);
304 u32 val, txcr, rxcr, rxcr_org;
305 u16 rmt_adv = 0, lcl_adv = 0;
308 /* set RGMII speed */
309 val = readl(priv->iobase + AVE_TXCR);
310 val &= ~(AVE_TXCR_TXSPD_100 | AVE_TXCR_TXSPD_1G);
312 if (phy_interface_is_rgmii(phydev) && phydev->speed == SPEED_1000)
313 val |= AVE_TXCR_TXSPD_1G;
314 else if (phydev->speed == SPEED_100)
315 val |= AVE_TXCR_TXSPD_100;
317 writel(val, priv->iobase + AVE_TXCR);
319 /* set RMII speed (100M/10M only) */
320 if (!phy_interface_is_rgmii(phydev)) {
321 val = readl(priv->iobase + AVE_LINKSEL);
322 if (phydev->speed == SPEED_10)
323 val &= ~AVE_LINKSEL_100M;
325 val |= AVE_LINKSEL_100M;
326 writel(val, priv->iobase + AVE_LINKSEL);
329 /* check current RXCR/TXCR */
330 rxcr = readl(priv->iobase + AVE_RXCR);
331 txcr = readl(priv->iobase + AVE_TXCR);
334 if (phydev->duplex) {
335 rxcr |= AVE_RXCR_FDUPEN;
338 rmt_adv |= LPA_PAUSE_CAP;
339 if (phydev->asym_pause)
340 rmt_adv |= LPA_PAUSE_ASYM;
341 if (phydev->advertising & ADVERTISED_Pause)
342 lcl_adv |= ADVERTISE_PAUSE_CAP;
343 if (phydev->advertising & ADVERTISED_Asym_Pause)
344 lcl_adv |= ADVERTISE_PAUSE_ASYM;
346 cap = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
347 if (cap & FLOW_CTRL_TX)
348 txcr |= AVE_TXCR_FLOCTR;
350 txcr &= ~AVE_TXCR_FLOCTR;
351 if (cap & FLOW_CTRL_RX)
352 rxcr |= AVE_RXCR_FLOCTR;
354 rxcr &= ~AVE_RXCR_FLOCTR;
356 rxcr &= ~AVE_RXCR_FDUPEN;
357 rxcr &= ~AVE_RXCR_FLOCTR;
358 txcr &= ~AVE_TXCR_FLOCTR;
361 if (rxcr_org != rxcr) {
363 writel(rxcr & ~AVE_RXCR_RXEN, priv->iobase + AVE_RXCR);
364 /* change and enable TX/Rx mac */
365 writel(txcr, priv->iobase + AVE_TXCR);
366 writel(rxcr, priv->iobase + AVE_RXCR);
369 pr_notice("%s: phy:%s speed:%d mac:%pM\n",
370 phydev->dev->name, phydev->drv->name, phydev->speed,
376 static int ave_mdiobus_init(struct ave_private *priv, const char *name)
378 struct mii_dev *bus = mdio_alloc();
383 bus->read = ave_mdiobus_read;
384 bus->write = ave_mdiobus_write;
385 snprintf(bus->name, sizeof(bus->name), "%s", name);
388 return mdio_register(bus);
391 static int ave_phy_init(struct ave_private *priv, void *dev)
393 struct phy_device *phydev;
394 int mask = GENMASK(31, 0), ret;
396 phydev = phy_find_by_mask(priv->bus, mask);
400 phy_connect_dev(phydev, dev, priv->phy_mode);
402 phydev->supported &= PHY_GBIT_FEATURES;
403 if (priv->max_speed) {
404 ret = phy_set_supported(phydev, priv->max_speed);
408 phydev->advertising = phydev->supported;
410 priv->phydev = phydev;
416 static void ave_stop(struct udevice *dev)
418 struct ave_private *priv = dev_get_priv(dev);
422 val = readl(priv->iobase + AVE_GRR);
426 val = readl(priv->iobase + AVE_RXCR);
427 val &= ~AVE_RXCR_RXEN;
428 writel(val, priv->iobase + AVE_RXCR);
430 writel(0, priv->iobase + AVE_DESCC);
431 ret = readl_poll_timeout(priv->iobase + AVE_DESCC, val, !val,
432 AVE_HALT_TIMEOUT_USEC);
434 pr_warn("%s: halt timeout\n", priv->phydev->dev->name);
436 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
438 phy_shutdown(priv->phydev);
441 static void ave_reset(struct ave_private *priv)
445 /* reset RMII register */
446 val = readl(priv->iobase + AVE_RSTCTRL);
447 val &= ~AVE_RSTCTRL_RMIIRST;
448 writel(val, priv->iobase + AVE_RSTCTRL);
451 writel(AVE_GRR_GRST | AVE_GRR_PHYRST, priv->iobase + AVE_GRR);
452 mdelay(AVE_GRST_DELAY_MSEC);
454 /* 1st, negate PHY reset only */
455 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
456 mdelay(AVE_GRST_DELAY_MSEC);
459 writel(0, priv->iobase + AVE_GRR);
460 mdelay(AVE_GRST_DELAY_MSEC);
462 /* negate RMII register */
463 val = readl(priv->iobase + AVE_RSTCTRL);
464 val |= AVE_RSTCTRL_RMIIRST;
465 writel(val, priv->iobase + AVE_RSTCTRL);
468 static int ave_start(struct udevice *dev)
470 struct ave_private *priv = dev_get_priv(dev);
478 priv->rx_off = 2; /* RX data has 2byte offsets */
481 (void *)roundup((uintptr_t)&priv->tx_adj_packetbuf[0],
483 priv->rx_siz = (PKTSIZE_ALIGN - priv->rx_off);
486 if (priv->phy_mode != PHY_INTERFACE_MODE_RGMII &&
487 priv->phy_mode != PHY_INTERFACE_MODE_RGMII_ID &&
488 priv->phy_mode != PHY_INTERFACE_MODE_RGMII_RXID &&
489 priv->phy_mode != PHY_INTERFACE_MODE_RGMII_TXID)
491 writel(val, priv->iobase + AVE_CFGR);
493 /* use one descriptor for Tx */
494 writel(AVE_DESC_SIZE(priv, 1) << 16, priv->iobase + AVE_TXDC);
495 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, 0);
496 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, 0);
498 /* use PKTBUFSRX descriptors for Rx */
499 writel(AVE_DESC_SIZE(priv, PKTBUFSRX) << 16, priv->iobase + AVE_RXDC);
500 for (i = 0; i < PKTBUFSRX; i++) {
501 paddr = (uintptr_t)net_rx_packets[i];
502 ave_cache_flush(paddr, priv->rx_siz + priv->rx_off);
503 ave_desc_write_addr(priv, AVE_DESCID_RX, i, paddr);
504 ave_desc_write_cmdsts(priv, AVE_DESCID_RX, i, priv->rx_siz);
507 writel(AVE_GISR_CLR, priv->iobase + AVE_GISR);
508 writel(AVE_GIMR_CLR, priv->iobase + AVE_GIMR);
510 writel(AVE_RXCR_RXEN | AVE_RXCR_FDUPEN | AVE_RXCR_FLOCTR | AVE_RXCR_MTU,
511 priv->iobase + AVE_RXCR);
512 writel(AVE_DESCC_RD0 | AVE_DESCC_TD, priv->iobase + AVE_DESCC);
514 phy_startup(priv->phydev);
515 ave_adjust_link(priv);
520 static int ave_write_hwaddr(struct udevice *dev)
522 struct ave_private *priv = dev_get_priv(dev);
523 struct eth_pdata *pdata = dev_get_plat(dev);
524 u8 *mac = pdata->enetaddr;
526 writel(mac[0] | mac[1] << 8 | mac[2] << 16 | mac[3] << 24,
527 priv->iobase + AVE_RXMAC1R);
528 writel(mac[4] | mac[5] << 8, priv->iobase + AVE_RXMAC2R);
533 static int ave_send(struct udevice *dev, void *packet, int length)
535 struct ave_private *priv = dev_get_priv(dev);
540 /* adjust alignment for descriptor */
541 if ((uintptr_t)ptr & 0x3) {
542 memcpy(priv->tx_adj_buf, (const void *)ptr, length);
543 ptr = priv->tx_adj_buf;
546 /* padding for minimum length */
547 if (length < AVE_MIN_XMITSIZE) {
548 memset(ptr + length, 0, AVE_MIN_XMITSIZE - length);
549 length = AVE_MIN_XMITSIZE;
552 /* check ownership and wait for previous xmit done */
553 count = AVE_SEND_TIMEOUT_COUNT;
555 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
556 } while ((val & AVE_STS_OWN) && --count);
560 ave_cache_flush((uintptr_t)ptr, length);
561 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, (uintptr_t)ptr);
563 val = AVE_STS_OWN | AVE_STS_1ST | AVE_STS_LAST |
564 (length & AVE_STS_PKTLEN_TX_MASK);
565 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, val);
568 count = AVE_SEND_TIMEOUT_COUNT;
570 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
571 } while ((val & AVE_STS_OWN) && --count);
575 if (!(val & AVE_STS_OK))
576 pr_warn("%s: bad send packet status:%08x\n",
577 priv->phydev->dev->name, le32_to_cpu(val));
582 static int ave_recv(struct udevice *dev, int flags, uchar **packetp)
584 struct ave_private *priv = dev_get_priv(dev);
590 cmdsts = ave_desc_read_cmdsts(priv, AVE_DESCID_RX,
592 if (!(cmdsts & AVE_STS_OWN))
593 /* hardware ownership, no received packets */
596 ptr = net_rx_packets[priv->rx_pos] + priv->rx_off;
597 if (cmdsts & AVE_STS_OK)
600 pr_warn("%s: bad packet[%d] status:%08x ptr:%p\n",
601 priv->phydev->dev->name, priv->rx_pos,
602 le32_to_cpu(cmdsts), ptr);
605 length = cmdsts & AVE_STS_PKTLEN_RX_MASK;
607 /* invalidate after DMA is done */
608 ave_cache_invalidate((uintptr_t)ptr, length);
614 static int ave_free_packet(struct udevice *dev, uchar *packet, int length)
616 struct ave_private *priv = dev_get_priv(dev);
618 ave_cache_flush((uintptr_t)net_rx_packets[priv->rx_pos],
619 priv->rx_siz + priv->rx_off);
621 ave_desc_write_cmdsts(priv, AVE_DESCID_RX,
622 priv->rx_pos, priv->rx_siz);
624 if (++priv->rx_pos >= PKTBUFSRX)
630 static int ave_pro4_get_pinmode(struct ave_private *priv)
632 u32 reg, mask, val = 0;
634 if (priv->regmap_arg > 0)
637 mask = SG_ETPINMODE_RMII(0);
639 switch (priv->phy_mode) {
640 case PHY_INTERFACE_MODE_RMII:
641 val = SG_ETPINMODE_RMII(0);
643 case PHY_INTERFACE_MODE_MII:
644 case PHY_INTERFACE_MODE_RGMII:
645 case PHY_INTERFACE_MODE_RGMII_ID:
646 case PHY_INTERFACE_MODE_RGMII_RXID:
647 case PHY_INTERFACE_MODE_RGMII_TXID:
653 regmap_read(priv->regmap, SG_ETPINMODE, ®);
656 regmap_write(priv->regmap, SG_ETPINMODE, reg);
661 static int ave_ld11_get_pinmode(struct ave_private *priv)
663 u32 reg, mask, val = 0;
665 if (priv->regmap_arg > 0)
668 mask = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
670 switch (priv->phy_mode) {
671 case PHY_INTERFACE_MODE_INTERNAL:
673 case PHY_INTERFACE_MODE_RMII:
674 val = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
680 regmap_read(priv->regmap, SG_ETPINMODE, ®);
683 regmap_write(priv->regmap, SG_ETPINMODE, reg);
688 static int ave_ld20_get_pinmode(struct ave_private *priv)
690 u32 reg, mask, val = 0;
692 if (priv->regmap_arg > 0)
695 mask = SG_ETPINMODE_RMII(0);
697 switch (priv->phy_mode) {
698 case PHY_INTERFACE_MODE_RMII:
699 val = SG_ETPINMODE_RMII(0);
701 case PHY_INTERFACE_MODE_RGMII:
702 case PHY_INTERFACE_MODE_RGMII_ID:
703 case PHY_INTERFACE_MODE_RGMII_RXID:
704 case PHY_INTERFACE_MODE_RGMII_TXID:
710 regmap_read(priv->regmap, SG_ETPINMODE, ®);
713 regmap_write(priv->regmap, SG_ETPINMODE, reg);
718 static int ave_pxs3_get_pinmode(struct ave_private *priv)
720 u32 reg, mask, val = 0;
722 if (priv->regmap_arg > 1)
725 mask = SG_ETPINMODE_RMII(priv->regmap_arg);
727 switch (priv->phy_mode) {
728 case PHY_INTERFACE_MODE_RMII:
729 val = SG_ETPINMODE_RMII(priv->regmap_arg);
731 case PHY_INTERFACE_MODE_RGMII:
732 case PHY_INTERFACE_MODE_RGMII_ID:
733 case PHY_INTERFACE_MODE_RGMII_RXID:
734 case PHY_INTERFACE_MODE_RGMII_TXID:
740 regmap_read(priv->regmap, SG_ETPINMODE, ®);
743 regmap_write(priv->regmap, SG_ETPINMODE, reg);
748 static int ave_of_to_plat(struct udevice *dev)
750 struct eth_pdata *pdata = dev_get_plat(dev);
751 struct ave_private *priv = dev_get_priv(dev);
752 struct ofnode_phandle_args args;
757 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
761 pdata->iobase = dev_read_addr(dev);
763 pdata->phy_interface = dev_read_phy_mode(dev);
764 if (pdata->phy_interface == PHY_INTERFACE_MODE_NA)
767 pdata->max_speed = 0;
768 valp = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "max-speed",
771 pdata->max_speed = fdt32_to_cpu(*valp);
773 for (nc = 0; nc < AVE_MAX_CLKS; nc++) {
774 name = priv->data->clock_names[nc];
777 ret = clk_get_by_name(dev, name, &priv->clk[nc]);
779 dev_err(dev, "Failed to get clocks property: %d\n",
786 for (nr = 0; nr < AVE_MAX_RSTS; nr++) {
787 name = priv->data->reset_names[nr];
790 ret = reset_get_by_name(dev, name, &priv->rst[nr]);
792 dev_err(dev, "Failed to get resets property: %d\n",
799 ret = dev_read_phandle_with_args(dev, "socionext,syscon-phy-mode",
802 dev_err(dev, "Failed to get syscon-phy-mode property: %d\n",
807 priv->regmap = syscon_node_to_regmap(args.node);
808 if (IS_ERR(priv->regmap)) {
809 ret = PTR_ERR(priv->regmap);
810 dev_err(dev, "can't get syscon: %d\n", ret);
814 if (args.args_count != 1) {
816 dev_err(dev, "Invalid argument of syscon-phy-mode\n");
820 priv->regmap_arg = args.args[0];
826 reset_free(&priv->rst[nr]);
829 clk_free(&priv->clk[nc]);
834 static int ave_probe(struct udevice *dev)
836 struct eth_pdata *pdata = dev_get_plat(dev);
837 struct ave_private *priv = dev_get_priv(dev);
840 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
844 priv->iobase = pdata->iobase;
845 priv->phy_mode = pdata->phy_interface;
846 priv->max_speed = pdata->max_speed;
848 ret = priv->data->get_pinmode(priv);
850 dev_err(dev, "Invalid phy-mode\n");
854 for (nc = 0; nc < priv->nclks; nc++) {
855 ret = clk_enable(&priv->clk[nc]);
857 dev_err(dev, "Failed to enable clk: %d\n", ret);
858 goto out_clk_release;
862 for (nr = 0; nr < priv->nrsts; nr++) {
863 ret = reset_deassert(&priv->rst[nr]);
865 dev_err(dev, "Failed to deassert reset: %d\n", ret);
866 goto out_reset_release;
872 ret = ave_mdiobus_init(priv, dev->name);
874 dev_err(dev, "Failed to initialize mdiobus: %d\n", ret);
875 goto out_reset_release;
878 priv->bus = miiphy_get_dev_by_name(dev->name);
880 ret = ave_phy_init(priv, dev);
882 dev_err(dev, "Failed to initialize phy: %d\n", ret);
883 goto out_mdiobus_release;
889 mdio_unregister(priv->bus);
890 mdio_free(priv->bus);
892 reset_release_all(priv->rst, nr);
894 clk_release_all(priv->clk, nc);
899 static int ave_remove(struct udevice *dev)
901 struct ave_private *priv = dev_get_priv(dev);
904 mdio_unregister(priv->bus);
905 mdio_free(priv->bus);
906 reset_release_all(priv->rst, priv->nrsts);
907 clk_release_all(priv->clk, priv->nclks);
912 static const struct eth_ops ave_ops = {
917 .free_pkt = ave_free_packet,
918 .write_hwaddr = ave_write_hwaddr,
921 static const struct ave_soc_data ave_pro4_data = {
922 .is_desc_64bit = false,
924 "gio", "ether", "ether-gb", "ether-phy",
929 .get_pinmode = ave_pro4_get_pinmode,
932 static const struct ave_soc_data ave_pxs2_data = {
933 .is_desc_64bit = false,
940 .get_pinmode = ave_pro4_get_pinmode,
943 static const struct ave_soc_data ave_ld11_data = {
944 .is_desc_64bit = false,
951 .get_pinmode = ave_ld11_get_pinmode,
954 static const struct ave_soc_data ave_ld20_data = {
955 .is_desc_64bit = true,
962 .get_pinmode = ave_ld20_get_pinmode,
965 static const struct ave_soc_data ave_pxs3_data = {
966 .is_desc_64bit = false,
973 .get_pinmode = ave_pxs3_get_pinmode,
976 static const struct udevice_id ave_ids[] = {
978 .compatible = "socionext,uniphier-pro4-ave4",
979 .data = (ulong)&ave_pro4_data,
982 .compatible = "socionext,uniphier-pxs2-ave4",
983 .data = (ulong)&ave_pxs2_data,
986 .compatible = "socionext,uniphier-ld11-ave4",
987 .data = (ulong)&ave_ld11_data,
990 .compatible = "socionext,uniphier-ld20-ave4",
991 .data = (ulong)&ave_ld20_data,
994 .compatible = "socionext,uniphier-pxs3-ave4",
995 .data = (ulong)&ave_pxs3_data,
1000 U_BOOT_DRIVER(ave) = {
1003 .of_match = ave_ids,
1005 .remove = ave_remove,
1006 .of_to_plat = ave_of_to_plat,
1008 .priv_auto = sizeof(struct ave_private),
1009 .plat_auto = sizeof(struct eth_pdata),