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>
12 #include <linux/iopoll.h>
19 #define AVE_GRST_DELAY_MSEC 40
20 #define AVE_MIN_XMITSIZE 60
21 #define AVE_SEND_TIMEOUT_COUNT 1000
22 #define AVE_MDIO_TIMEOUT_USEC 10000
23 #define AVE_HALT_TIMEOUT_USEC 10000
25 /* General Register Group */
26 #define AVE_IDR 0x000 /* ID */
27 #define AVE_VR 0x004 /* Version */
28 #define AVE_GRR 0x008 /* Global Reset */
29 #define AVE_CFGR 0x00c /* Configuration */
31 /* Interrupt Register Group */
32 #define AVE_GIMR 0x100 /* Global Interrupt Mask */
33 #define AVE_GISR 0x104 /* Global Interrupt Status */
35 /* MAC Register Group */
36 #define AVE_TXCR 0x200 /* TX Setup */
37 #define AVE_RXCR 0x204 /* RX Setup */
38 #define AVE_RXMAC1R 0x208 /* MAC address (lower) */
39 #define AVE_RXMAC2R 0x20c /* MAC address (upper) */
40 #define AVE_MDIOCTR 0x214 /* MDIO Control */
41 #define AVE_MDIOAR 0x218 /* MDIO Address */
42 #define AVE_MDIOWDR 0x21c /* MDIO Data */
43 #define AVE_MDIOSR 0x220 /* MDIO Status */
44 #define AVE_MDIORDR 0x224 /* MDIO Rd Data */
46 /* Descriptor Control Register Group */
47 #define AVE_DESCC 0x300 /* Descriptor Control */
48 #define AVE_TXDC 0x304 /* TX Descriptor Configuration */
49 #define AVE_RXDC 0x308 /* RX Descriptor Ring0 Configuration */
50 #define AVE_IIRQC 0x34c /* Interval IRQ Control */
52 /* 64bit descriptor memory */
53 #define AVE_DESC_SIZE_64 12 /* Descriptor Size */
54 #define AVE_TXDM_64 0x1000 /* Tx Descriptor Memory */
55 #define AVE_RXDM_64 0x1c00 /* Rx Descriptor Memory */
57 /* 32bit descriptor memory */
58 #define AVE_DESC_SIZE_32 8 /* Descriptor Size */
59 #define AVE_TXDM_32 0x1000 /* Tx Descriptor Memory */
60 #define AVE_RXDM_32 0x1800 /* Rx Descriptor Memory */
62 /* RMII Bridge Register Group */
63 #define AVE_RSTCTRL 0x8028 /* Reset control */
64 #define AVE_RSTCTRL_RMIIRST BIT(16)
65 #define AVE_LINKSEL 0x8034 /* Link speed setting */
66 #define AVE_LINKSEL_100M BIT(0)
69 #define AVE_GRR_PHYRST BIT(4) /* Reset external PHY */
70 #define AVE_GRR_GRST BIT(0) /* Reset all MAC */
73 #define AVE_CFGR_MII BIT(27) /* Func mode (1:MII/RMII, 0:RGMII) */
75 /* AVE_GISR (common with GIMR) */
76 #define AVE_GIMR_CLR 0
77 #define AVE_GISR_CLR GENMASK(31, 0)
80 #define AVE_TXCR_FLOCTR BIT(18) /* Flow control */
81 #define AVE_TXCR_TXSPD_1G BIT(17)
82 #define AVE_TXCR_TXSPD_100 BIT(16)
85 #define AVE_RXCR_RXEN BIT(30) /* Rx enable */
86 #define AVE_RXCR_FDUPEN BIT(22) /* Interface mode */
87 #define AVE_RXCR_FLOCTR BIT(21) /* Flow control */
90 #define AVE_MDIOCTR_RREQ BIT(3) /* Read request */
91 #define AVE_MDIOCTR_WREQ BIT(2) /* Write request */
94 #define AVE_MDIOSR_STS BIT(0) /* access status */
97 #define AVE_DESCC_RXDSTPSTS BIT(20)
98 #define AVE_DESCC_RD0 BIT(8) /* Enable Rx descriptor Ring0 */
99 #define AVE_DESCC_RXDSTP BIT(4) /* Pause Rx descriptor */
100 #define AVE_DESCC_TD BIT(0) /* Enable Tx descriptor */
103 #define AVE_DESC_SIZE(priv, num) \
104 ((num) * ((priv)->data->is_desc_64bit ? AVE_DESC_SIZE_64 : \
107 /* Command status for descriptor */
108 #define AVE_STS_OWN BIT(31) /* Descriptor ownership */
109 #define AVE_STS_OK BIT(27) /* Normal transmit */
110 #define AVE_STS_1ST BIT(26) /* Head of buffer chain */
111 #define AVE_STS_LAST BIT(25) /* Tail of buffer chain */
112 #define AVE_STS_PKTLEN_TX_MASK GENMASK(15, 0)
113 #define AVE_STS_PKTLEN_RX_MASK GENMASK(10, 0)
115 #define AVE_DESC_OFS_CMDSTS 0
116 #define AVE_DESC_OFS_ADDRL 4
117 #define AVE_DESC_OFS_ADDRU 8
119 /* Parameter for ethernet frame */
120 #define AVE_RXCR_MTU 1518
123 #define SG_ETPINMODE 0x540
124 #define SG_ETPINMODE_EXTPHY BIT(1) /* for LD11 */
125 #define SG_ETPINMODE_RMII(ins) BIT(ins)
127 #define AVE_MAX_CLKS 4
128 #define AVE_MAX_RSTS 2
138 struct clk clk[AVE_MAX_CLKS];
140 struct reset_ctl rst[AVE_MAX_RSTS];
141 struct regmap *regmap;
142 unsigned int regmap_arg;
145 struct phy_device *phydev;
154 u8 tx_adj_packetbuf[PKTSIZE_ALIGN + PKTALIGN];
157 const struct ave_soc_data *data;
160 struct ave_soc_data {
162 const char *clock_names[AVE_MAX_CLKS];
163 const char *reset_names[AVE_MAX_RSTS];
164 int (*get_pinmode)(struct ave_private *priv);
167 static u32 ave_desc_read(struct ave_private *priv, enum desc_id id, int entry,
173 if (priv->data->is_desc_64bit) {
174 desc_size = AVE_DESC_SIZE_64;
175 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
177 desc_size = AVE_DESC_SIZE_32;
178 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
181 addr += entry * desc_size + offset;
183 return readl(priv->iobase + addr);
186 static u32 ave_desc_read_cmdsts(struct ave_private *priv, enum desc_id id,
189 return ave_desc_read(priv, id, entry, AVE_DESC_OFS_CMDSTS);
192 static void ave_desc_write(struct ave_private *priv, enum desc_id id,
193 int entry, int offset, u32 val)
198 if (priv->data->is_desc_64bit) {
199 desc_size = AVE_DESC_SIZE_64;
200 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_64 : AVE_RXDM_64;
202 desc_size = AVE_DESC_SIZE_32;
203 addr = (id == AVE_DESCID_TX) ? AVE_TXDM_32 : AVE_RXDM_32;
206 addr += entry * desc_size + offset;
207 writel(val, priv->iobase + addr);
210 static void ave_desc_write_cmdsts(struct ave_private *priv, enum desc_id id,
213 ave_desc_write(priv, id, entry, AVE_DESC_OFS_CMDSTS, val);
216 static void ave_desc_write_addr(struct ave_private *priv, enum desc_id id,
217 int entry, uintptr_t paddr)
219 ave_desc_write(priv, id, entry,
220 AVE_DESC_OFS_ADDRL, lower_32_bits(paddr));
221 if (priv->data->is_desc_64bit)
222 ave_desc_write(priv, id, entry,
223 AVE_DESC_OFS_ADDRU, upper_32_bits(paddr));
226 static void ave_cache_invalidate(uintptr_t vaddr, int len)
228 invalidate_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
229 roundup(vaddr + len, ARCH_DMA_MINALIGN));
232 static void ave_cache_flush(uintptr_t vaddr, int len)
234 flush_dcache_range(rounddown(vaddr, ARCH_DMA_MINALIGN),
235 roundup(vaddr + len, ARCH_DMA_MINALIGN));
238 static int ave_mdiobus_read(struct mii_dev *bus,
239 int phyid, int devad, int regnum)
241 struct ave_private *priv = bus->priv;
246 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
249 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
250 writel(mdioctl | AVE_MDIOCTR_RREQ, priv->iobase + AVE_MDIOCTR);
252 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
253 !(mdiosr & AVE_MDIOSR_STS),
254 AVE_MDIO_TIMEOUT_USEC);
256 pr_err("%s: failed to read from mdio (phy:%d reg:%x)\n",
257 priv->phydev->dev->name, phyid, regnum);
261 return readl(priv->iobase + AVE_MDIORDR) & GENMASK(15, 0);
264 static int ave_mdiobus_write(struct mii_dev *bus,
265 int phyid, int devad, int regnum, u16 val)
267 struct ave_private *priv = bus->priv;
272 writel((phyid << 8) | regnum, priv->iobase + AVE_MDIOAR);
275 writel(val, priv->iobase + AVE_MDIOWDR);
278 mdioctl = readl(priv->iobase + AVE_MDIOCTR);
279 writel((mdioctl | AVE_MDIOCTR_WREQ) & ~AVE_MDIOCTR_RREQ,
280 priv->iobase + AVE_MDIOCTR);
282 ret = readl_poll_timeout(priv->iobase + AVE_MDIOSR, mdiosr,
283 !(mdiosr & AVE_MDIOSR_STS),
284 AVE_MDIO_TIMEOUT_USEC);
286 pr_err("%s: failed to write to mdio (phy:%d reg:%x)\n",
287 priv->phydev->dev->name, phyid, regnum);
292 static int ave_adjust_link(struct ave_private *priv)
294 struct phy_device *phydev = priv->phydev;
295 struct eth_pdata *pdata = dev_get_platdata(phydev->dev);
296 u32 val, txcr, rxcr, rxcr_org;
297 u16 rmt_adv = 0, lcl_adv = 0;
300 /* set RGMII speed */
301 val = readl(priv->iobase + AVE_TXCR);
302 val &= ~(AVE_TXCR_TXSPD_100 | AVE_TXCR_TXSPD_1G);
304 if (phy_interface_is_rgmii(phydev) && phydev->speed == SPEED_1000)
305 val |= AVE_TXCR_TXSPD_1G;
306 else if (phydev->speed == SPEED_100)
307 val |= AVE_TXCR_TXSPD_100;
309 writel(val, priv->iobase + AVE_TXCR);
311 /* set RMII speed (100M/10M only) */
312 if (!phy_interface_is_rgmii(phydev)) {
313 val = readl(priv->iobase + AVE_LINKSEL);
314 if (phydev->speed == SPEED_10)
315 val &= ~AVE_LINKSEL_100M;
317 val |= AVE_LINKSEL_100M;
318 writel(val, priv->iobase + AVE_LINKSEL);
321 /* check current RXCR/TXCR */
322 rxcr = readl(priv->iobase + AVE_RXCR);
323 txcr = readl(priv->iobase + AVE_TXCR);
326 if (phydev->duplex) {
327 rxcr |= AVE_RXCR_FDUPEN;
330 rmt_adv |= LPA_PAUSE_CAP;
331 if (phydev->asym_pause)
332 rmt_adv |= LPA_PAUSE_ASYM;
333 if (phydev->advertising & ADVERTISED_Pause)
334 lcl_adv |= ADVERTISE_PAUSE_CAP;
335 if (phydev->advertising & ADVERTISED_Asym_Pause)
336 lcl_adv |= ADVERTISE_PAUSE_ASYM;
338 cap = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
339 if (cap & FLOW_CTRL_TX)
340 txcr |= AVE_TXCR_FLOCTR;
342 txcr &= ~AVE_TXCR_FLOCTR;
343 if (cap & FLOW_CTRL_RX)
344 rxcr |= AVE_RXCR_FLOCTR;
346 rxcr &= ~AVE_RXCR_FLOCTR;
348 rxcr &= ~AVE_RXCR_FDUPEN;
349 rxcr &= ~AVE_RXCR_FLOCTR;
350 txcr &= ~AVE_TXCR_FLOCTR;
353 if (rxcr_org != rxcr) {
355 writel(rxcr & ~AVE_RXCR_RXEN, priv->iobase + AVE_RXCR);
356 /* change and enable TX/Rx mac */
357 writel(txcr, priv->iobase + AVE_TXCR);
358 writel(rxcr, priv->iobase + AVE_RXCR);
361 pr_notice("%s: phy:%s speed:%d mac:%pM\n",
362 phydev->dev->name, phydev->drv->name, phydev->speed,
368 static int ave_mdiobus_init(struct ave_private *priv, const char *name)
370 struct mii_dev *bus = mdio_alloc();
375 bus->read = ave_mdiobus_read;
376 bus->write = ave_mdiobus_write;
377 snprintf(bus->name, sizeof(bus->name), "%s", name);
380 return mdio_register(bus);
383 static int ave_phy_init(struct ave_private *priv, void *dev)
385 struct phy_device *phydev;
386 int mask = GENMASK(31, 0), ret;
388 phydev = phy_find_by_mask(priv->bus, mask, priv->phy_mode);
392 phy_connect_dev(phydev, dev);
394 phydev->supported &= PHY_GBIT_FEATURES;
395 if (priv->max_speed) {
396 ret = phy_set_supported(phydev, priv->max_speed);
400 phydev->advertising = phydev->supported;
402 priv->phydev = phydev;
408 static void ave_stop(struct udevice *dev)
410 struct ave_private *priv = dev_get_priv(dev);
414 val = readl(priv->iobase + AVE_GRR);
418 val = readl(priv->iobase + AVE_RXCR);
419 val &= ~AVE_RXCR_RXEN;
420 writel(val, priv->iobase + AVE_RXCR);
422 writel(0, priv->iobase + AVE_DESCC);
423 ret = readl_poll_timeout(priv->iobase + AVE_DESCC, val, !val,
424 AVE_HALT_TIMEOUT_USEC);
426 pr_warn("%s: halt timeout\n", priv->phydev->dev->name);
428 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
430 phy_shutdown(priv->phydev);
433 static void ave_reset(struct ave_private *priv)
437 /* reset RMII register */
438 val = readl(priv->iobase + AVE_RSTCTRL);
439 val &= ~AVE_RSTCTRL_RMIIRST;
440 writel(val, priv->iobase + AVE_RSTCTRL);
443 writel(AVE_GRR_GRST | AVE_GRR_PHYRST, priv->iobase + AVE_GRR);
444 mdelay(AVE_GRST_DELAY_MSEC);
446 /* 1st, negate PHY reset only */
447 writel(AVE_GRR_GRST, priv->iobase + AVE_GRR);
448 mdelay(AVE_GRST_DELAY_MSEC);
451 writel(0, priv->iobase + AVE_GRR);
452 mdelay(AVE_GRST_DELAY_MSEC);
454 /* negate RMII register */
455 val = readl(priv->iobase + AVE_RSTCTRL);
456 val |= AVE_RSTCTRL_RMIIRST;
457 writel(val, priv->iobase + AVE_RSTCTRL);
460 static int ave_start(struct udevice *dev)
462 struct ave_private *priv = dev_get_priv(dev);
470 priv->rx_off = 2; /* RX data has 2byte offsets */
473 (void *)roundup((uintptr_t)&priv->tx_adj_packetbuf[0],
475 priv->rx_siz = (PKTSIZE_ALIGN - priv->rx_off);
478 if (priv->phy_mode != PHY_INTERFACE_MODE_RGMII)
480 writel(val, priv->iobase + AVE_CFGR);
482 /* use one descriptor for Tx */
483 writel(AVE_DESC_SIZE(priv, 1) << 16, priv->iobase + AVE_TXDC);
484 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, 0);
485 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, 0);
487 /* use PKTBUFSRX descriptors for Rx */
488 writel(AVE_DESC_SIZE(priv, PKTBUFSRX) << 16, priv->iobase + AVE_RXDC);
489 for (i = 0; i < PKTBUFSRX; i++) {
490 paddr = (uintptr_t)net_rx_packets[i];
491 ave_cache_flush(paddr, priv->rx_siz + priv->rx_off);
492 ave_desc_write_addr(priv, AVE_DESCID_RX, i, paddr);
493 ave_desc_write_cmdsts(priv, AVE_DESCID_RX, i, priv->rx_siz);
496 writel(AVE_GISR_CLR, priv->iobase + AVE_GISR);
497 writel(AVE_GIMR_CLR, priv->iobase + AVE_GIMR);
499 writel(AVE_RXCR_RXEN | AVE_RXCR_FDUPEN | AVE_RXCR_FLOCTR | AVE_RXCR_MTU,
500 priv->iobase + AVE_RXCR);
501 writel(AVE_DESCC_RD0 | AVE_DESCC_TD, priv->iobase + AVE_DESCC);
503 phy_startup(priv->phydev);
504 ave_adjust_link(priv);
509 static int ave_write_hwaddr(struct udevice *dev)
511 struct ave_private *priv = dev_get_priv(dev);
512 struct eth_pdata *pdata = dev_get_platdata(dev);
513 u8 *mac = pdata->enetaddr;
515 writel(mac[0] | mac[1] << 8 | mac[2] << 16 | mac[3] << 24,
516 priv->iobase + AVE_RXMAC1R);
517 writel(mac[4] | mac[5] << 8, priv->iobase + AVE_RXMAC2R);
522 static int ave_send(struct udevice *dev, void *packet, int length)
524 struct ave_private *priv = dev_get_priv(dev);
529 /* adjust alignment for descriptor */
530 if ((uintptr_t)ptr & 0x3) {
531 memcpy(priv->tx_adj_buf, (const void *)ptr, length);
532 ptr = priv->tx_adj_buf;
535 /* padding for minimum length */
536 if (length < AVE_MIN_XMITSIZE) {
537 memset(ptr + length, 0, AVE_MIN_XMITSIZE - length);
538 length = AVE_MIN_XMITSIZE;
541 /* check ownership and wait for previous xmit done */
542 count = AVE_SEND_TIMEOUT_COUNT;
544 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
545 } while ((val & AVE_STS_OWN) && --count);
549 ave_cache_flush((uintptr_t)ptr, length);
550 ave_desc_write_addr(priv, AVE_DESCID_TX, 0, (uintptr_t)ptr);
552 val = AVE_STS_OWN | AVE_STS_1ST | AVE_STS_LAST |
553 (length & AVE_STS_PKTLEN_TX_MASK);
554 ave_desc_write_cmdsts(priv, AVE_DESCID_TX, 0, val);
557 count = AVE_SEND_TIMEOUT_COUNT;
559 val = ave_desc_read_cmdsts(priv, AVE_DESCID_TX, 0);
560 } while ((val & AVE_STS_OWN) && --count);
564 if (!(val & AVE_STS_OK))
565 pr_warn("%s: bad send packet status:%08x\n",
566 priv->phydev->dev->name, le32_to_cpu(val));
571 static int ave_recv(struct udevice *dev, int flags, uchar **packetp)
573 struct ave_private *priv = dev_get_priv(dev);
579 cmdsts = ave_desc_read_cmdsts(priv, AVE_DESCID_RX,
581 if (!(cmdsts & AVE_STS_OWN))
582 /* hardware ownership, no received packets */
585 ptr = net_rx_packets[priv->rx_pos] + priv->rx_off;
586 if (cmdsts & AVE_STS_OK)
589 pr_warn("%s: bad packet[%d] status:%08x ptr:%p\n",
590 priv->phydev->dev->name, priv->rx_pos,
591 le32_to_cpu(cmdsts), ptr);
594 length = cmdsts & AVE_STS_PKTLEN_RX_MASK;
596 /* invalidate after DMA is done */
597 ave_cache_invalidate((uintptr_t)ptr, length);
603 static int ave_free_packet(struct udevice *dev, uchar *packet, int length)
605 struct ave_private *priv = dev_get_priv(dev);
607 ave_cache_flush((uintptr_t)net_rx_packets[priv->rx_pos],
608 priv->rx_siz + priv->rx_off);
610 ave_desc_write_cmdsts(priv, AVE_DESCID_RX,
611 priv->rx_pos, priv->rx_siz);
613 if (++priv->rx_pos >= PKTBUFSRX)
619 static int ave_pro4_get_pinmode(struct ave_private *priv)
621 u32 reg, mask, val = 0;
623 if (priv->regmap_arg > 0)
626 mask = SG_ETPINMODE_RMII(0);
628 switch (priv->phy_mode) {
629 case PHY_INTERFACE_MODE_RMII:
630 val = SG_ETPINMODE_RMII(0);
632 case PHY_INTERFACE_MODE_MII:
633 case PHY_INTERFACE_MODE_RGMII:
639 regmap_read(priv->regmap, SG_ETPINMODE, ®);
642 regmap_write(priv->regmap, SG_ETPINMODE, reg);
647 static int ave_ld11_get_pinmode(struct ave_private *priv)
649 u32 reg, mask, val = 0;
651 if (priv->regmap_arg > 0)
654 mask = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
656 switch (priv->phy_mode) {
657 case PHY_INTERFACE_MODE_INTERNAL:
659 case PHY_INTERFACE_MODE_RMII:
660 val = SG_ETPINMODE_EXTPHY | SG_ETPINMODE_RMII(0);
666 regmap_read(priv->regmap, SG_ETPINMODE, ®);
669 regmap_write(priv->regmap, SG_ETPINMODE, reg);
674 static int ave_ld20_get_pinmode(struct ave_private *priv)
676 u32 reg, mask, val = 0;
678 if (priv->regmap_arg > 0)
681 mask = SG_ETPINMODE_RMII(0);
683 switch (priv->phy_mode) {
684 case PHY_INTERFACE_MODE_RMII:
685 val = SG_ETPINMODE_RMII(0);
687 case PHY_INTERFACE_MODE_RGMII:
693 regmap_read(priv->regmap, SG_ETPINMODE, ®);
696 regmap_write(priv->regmap, SG_ETPINMODE, reg);
701 static int ave_pxs3_get_pinmode(struct ave_private *priv)
703 u32 reg, mask, val = 0;
705 if (priv->regmap_arg > 1)
708 mask = SG_ETPINMODE_RMII(priv->regmap_arg);
710 switch (priv->phy_mode) {
711 case PHY_INTERFACE_MODE_RMII:
712 val = SG_ETPINMODE_RMII(priv->regmap_arg);
714 case PHY_INTERFACE_MODE_RGMII:
720 regmap_read(priv->regmap, SG_ETPINMODE, ®);
723 regmap_write(priv->regmap, SG_ETPINMODE, reg);
728 static int ave_ofdata_to_platdata(struct udevice *dev)
730 struct eth_pdata *pdata = dev_get_platdata(dev);
731 struct ave_private *priv = dev_get_priv(dev);
732 struct ofnode_phandle_args args;
733 const char *phy_mode;
738 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
742 pdata->iobase = devfdt_get_addr(dev);
743 pdata->phy_interface = -1;
744 phy_mode = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "phy-mode",
747 pdata->phy_interface = phy_get_interface_by_name(phy_mode);
748 if (pdata->phy_interface == -1) {
749 dev_err(dev, "Invalid PHY interface '%s'\n", phy_mode);
753 pdata->max_speed = 0;
754 valp = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "max-speed",
757 pdata->max_speed = fdt32_to_cpu(*valp);
759 for (nc = 0; nc < AVE_MAX_CLKS; nc++) {
760 name = priv->data->clock_names[nc];
763 ret = clk_get_by_name(dev, name, &priv->clk[nc]);
765 dev_err(dev, "Failed to get clocks property: %d\n",
772 for (nr = 0; nr < AVE_MAX_RSTS; nr++) {
773 name = priv->data->reset_names[nr];
776 ret = reset_get_by_name(dev, name, &priv->rst[nr]);
778 dev_err(dev, "Failed to get resets property: %d\n",
785 ret = dev_read_phandle_with_args(dev, "socionext,syscon-phy-mode",
788 dev_err(dev, "Failed to get syscon-phy-mode property: %d\n",
793 priv->regmap = syscon_node_to_regmap(args.node);
794 if (IS_ERR(priv->regmap)) {
795 ret = PTR_ERR(priv->regmap);
796 dev_err(dev, "can't get syscon: %d\n", ret);
800 if (args.args_count != 1) {
802 dev_err(dev, "Invalid argument of syscon-phy-mode\n");
806 priv->regmap_arg = args.args[0];
812 reset_free(&priv->rst[nr]);
815 clk_free(&priv->clk[nc]);
820 static int ave_probe(struct udevice *dev)
822 struct eth_pdata *pdata = dev_get_platdata(dev);
823 struct ave_private *priv = dev_get_priv(dev);
826 priv->data = (const struct ave_soc_data *)dev_get_driver_data(dev);
830 priv->iobase = pdata->iobase;
831 priv->phy_mode = pdata->phy_interface;
832 priv->max_speed = pdata->max_speed;
834 ret = priv->data->get_pinmode(priv);
836 dev_err(dev, "Invalid phy-mode\n");
840 for (nc = 0; nc < priv->nclks; nc++) {
841 ret = clk_enable(&priv->clk[nc]);
843 dev_err(dev, "Failed to enable clk: %d\n", ret);
844 goto out_clk_release;
848 for (nr = 0; nr < priv->nrsts; nr++) {
849 ret = reset_deassert(&priv->rst[nr]);
851 dev_err(dev, "Failed to deassert reset: %d\n", ret);
852 goto out_reset_release;
858 ret = ave_mdiobus_init(priv, dev->name);
860 dev_err(dev, "Failed to initialize mdiobus: %d\n", ret);
861 goto out_reset_release;
864 priv->bus = miiphy_get_dev_by_name(dev->name);
866 ret = ave_phy_init(priv, dev);
868 dev_err(dev, "Failed to initialize phy: %d\n", ret);
869 goto out_mdiobus_release;
875 mdio_unregister(priv->bus);
876 mdio_free(priv->bus);
878 reset_release_all(priv->rst, nr);
880 clk_release_all(priv->clk, nc);
885 static int ave_remove(struct udevice *dev)
887 struct ave_private *priv = dev_get_priv(dev);
890 mdio_unregister(priv->bus);
891 mdio_free(priv->bus);
892 reset_release_all(priv->rst, priv->nrsts);
893 clk_release_all(priv->clk, priv->nclks);
898 static const struct eth_ops ave_ops = {
903 .free_pkt = ave_free_packet,
904 .write_hwaddr = ave_write_hwaddr,
907 static const struct ave_soc_data ave_pro4_data = {
908 .is_desc_64bit = false,
910 "gio", "ether", "ether-gb", "ether-phy",
915 .get_pinmode = ave_pro4_get_pinmode,
918 static const struct ave_soc_data ave_pxs2_data = {
919 .is_desc_64bit = false,
926 .get_pinmode = ave_pro4_get_pinmode,
929 static const struct ave_soc_data ave_ld11_data = {
930 .is_desc_64bit = false,
937 .get_pinmode = ave_ld11_get_pinmode,
940 static const struct ave_soc_data ave_ld20_data = {
941 .is_desc_64bit = true,
948 .get_pinmode = ave_ld20_get_pinmode,
951 static const struct ave_soc_data ave_pxs3_data = {
952 .is_desc_64bit = false,
959 .get_pinmode = ave_pxs3_get_pinmode,
962 static const struct udevice_id ave_ids[] = {
964 .compatible = "socionext,uniphier-pro4-ave4",
965 .data = (ulong)&ave_pro4_data,
968 .compatible = "socionext,uniphier-pxs2-ave4",
969 .data = (ulong)&ave_pxs2_data,
972 .compatible = "socionext,uniphier-ld11-ave4",
973 .data = (ulong)&ave_ld11_data,
976 .compatible = "socionext,uniphier-ld20-ave4",
977 .data = (ulong)&ave_ld20_data,
980 .compatible = "socionext,uniphier-pxs3-ave4",
981 .data = (ulong)&ave_pxs3_data,
986 U_BOOT_DRIVER(ave) = {
991 .remove = ave_remove,
992 .ofdata_to_platdata = ave_ofdata_to_platdata,
994 .priv_auto_alloc_size = sizeof(struct ave_private),
995 .platdata_auto_alloc_size = sizeof(struct eth_pdata),