1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2018 MediaTek Inc.
5 * Author: Weijie Gao <weijie.gao@mediatek.com>
6 * Author: Mark Lee <mark-mc.lee@mediatek.com>
20 #include <asm/cache.h>
23 #include <dm/device_compat.h>
24 #include <linux/delay.h>
25 #include <linux/err.h>
26 #include <linux/ioport.h>
27 #include <linux/mdio.h>
28 #include <linux/mii.h>
32 #define NUM_TX_DESC 24
33 #define NUM_RX_DESC 24
34 #define TX_TOTAL_BUF_SIZE (NUM_TX_DESC * PKTSIZE_ALIGN)
35 #define RX_TOTAL_BUF_SIZE (NUM_RX_DESC * PKTSIZE_ALIGN)
36 #define TOTAL_PKT_BUF_SIZE (TX_TOTAL_BUF_SIZE + RX_TOTAL_BUF_SIZE)
38 #define MT753X_NUM_PHYS 5
39 #define MT753X_NUM_PORTS 7
40 #define MT753X_DFL_SMI_ADDR 31
41 #define MT753X_SMI_ADDR_MASK 0x1f
43 #define MT753X_PHY_ADDR(base, addr) \
44 (((base) + (addr)) & 0x1f)
46 #define GDMA_FWD_TO_CPU \
52 (DP_PDMA << MYMAC_DP_S) | \
53 (DP_PDMA << BC_DP_S) | \
54 (DP_PDMA << MC_DP_S) | \
57 #define GDMA_FWD_DISCARD \
63 (DP_DISCARD << MYMAC_DP_S) | \
64 (DP_DISCARD << BC_DP_S) | \
65 (DP_DISCARD << MC_DP_S) | \
66 (DP_DISCARD << UN_DP_S))
74 /* struct mtk_soc_data - This is the structure holding all differences
75 * among various plaforms
76 * @caps Flags shown the extra capability for the SoC
77 * @ana_rgc3: The offset for register ANA_RGC3 related to
79 * @pdma_base: Register base of PDMA block
80 * @txd_size: Tx DMA descriptor size.
81 * @rxd_size: Rx DMA descriptor size.
92 char pkt_pool[TOTAL_PKT_BUF_SIZE] __aligned(ARCH_DMA_MINALIGN);
97 int rx_dma_owner_idx0;
98 int tx_cpu_owner_idx0;
100 void __iomem *fe_base;
101 void __iomem *gmac_base;
102 void __iomem *sgmii_base;
104 struct regmap *ethsys_regmap;
106 struct mii_dev *mdio_bus;
107 int (*mii_read)(struct mtk_eth_priv *priv, u8 phy, u8 reg);
108 int (*mii_write)(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 val);
109 int (*mmd_read)(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg);
110 int (*mmd_write)(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg,
113 const struct mtk_soc_data *soc;
120 struct phy_device *phydev;
125 int (*switch_init)(struct mtk_eth_priv *priv);
129 struct gpio_desc rst_gpio;
132 struct reset_ctl rst_fe;
133 struct reset_ctl rst_mcm;
136 static void mtk_pdma_write(struct mtk_eth_priv *priv, u32 reg, u32 val)
138 writel(val, priv->fe_base + priv->soc->pdma_base + reg);
141 static void mtk_pdma_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr,
144 clrsetbits_le32(priv->fe_base + priv->soc->pdma_base + reg, clr, set);
147 static void mtk_gdma_write(struct mtk_eth_priv *priv, int no, u32 reg,
153 gdma_base = GDMA2_BASE;
155 gdma_base = GDMA1_BASE;
157 writel(val, priv->fe_base + gdma_base + reg);
160 static u32 mtk_gmac_read(struct mtk_eth_priv *priv, u32 reg)
162 return readl(priv->gmac_base + reg);
165 static void mtk_gmac_write(struct mtk_eth_priv *priv, u32 reg, u32 val)
167 writel(val, priv->gmac_base + reg);
170 static void mtk_gmac_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr, u32 set)
172 clrsetbits_le32(priv->gmac_base + reg, clr, set);
175 static void mtk_ethsys_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr,
180 regmap_read(priv->ethsys_regmap, reg, &val);
183 regmap_write(priv->ethsys_regmap, reg, val);
186 /* Direct MDIO clause 22/45 access via SoC */
187 static int mtk_mii_rw(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data,
193 val = (st << MDIO_ST_S) |
194 ((cmd << MDIO_CMD_S) & MDIO_CMD_M) |
195 (((u32)phy << MDIO_PHY_ADDR_S) & MDIO_PHY_ADDR_M) |
196 (((u32)reg << MDIO_REG_ADDR_S) & MDIO_REG_ADDR_M);
198 if (cmd == MDIO_CMD_WRITE)
199 val |= data & MDIO_RW_DATA_M;
201 mtk_gmac_write(priv, GMAC_PIAC_REG, val | PHY_ACS_ST);
203 ret = wait_for_bit_le32(priv->gmac_base + GMAC_PIAC_REG,
204 PHY_ACS_ST, 0, 5000, 0);
206 pr_warn("MDIO access timeout\n");
210 if (cmd == MDIO_CMD_READ) {
211 val = mtk_gmac_read(priv, GMAC_PIAC_REG);
212 return val & MDIO_RW_DATA_M;
218 /* Direct MDIO clause 22 read via SoC */
219 static int mtk_mii_read(struct mtk_eth_priv *priv, u8 phy, u8 reg)
221 return mtk_mii_rw(priv, phy, reg, 0, MDIO_CMD_READ, MDIO_ST_C22);
224 /* Direct MDIO clause 22 write via SoC */
225 static int mtk_mii_write(struct mtk_eth_priv *priv, u8 phy, u8 reg, u16 data)
227 return mtk_mii_rw(priv, phy, reg, data, MDIO_CMD_WRITE, MDIO_ST_C22);
230 /* Direct MDIO clause 45 read via SoC */
231 static int mtk_mmd_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg)
235 ret = mtk_mii_rw(priv, addr, devad, reg, MDIO_CMD_ADDR, MDIO_ST_C45);
239 return mtk_mii_rw(priv, addr, devad, 0, MDIO_CMD_READ_C45,
243 /* Direct MDIO clause 45 write via SoC */
244 static int mtk_mmd_write(struct mtk_eth_priv *priv, u8 addr, u8 devad,
249 ret = mtk_mii_rw(priv, addr, devad, reg, MDIO_CMD_ADDR, MDIO_ST_C45);
253 return mtk_mii_rw(priv, addr, devad, val, MDIO_CMD_WRITE,
257 /* Indirect MDIO clause 45 read via MII registers */
258 static int mtk_mmd_ind_read(struct mtk_eth_priv *priv, u8 addr, u8 devad,
263 ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
264 (MMD_ADDR << MMD_CMD_S) |
265 ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
269 ret = priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg);
273 ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
274 (MMD_DATA << MMD_CMD_S) |
275 ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
279 return priv->mii_read(priv, addr, MII_MMD_ADDR_DATA_REG);
282 /* Indirect MDIO clause 45 write via MII registers */
283 static int mtk_mmd_ind_write(struct mtk_eth_priv *priv, u8 addr, u8 devad,
288 ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
289 (MMD_ADDR << MMD_CMD_S) |
290 ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
294 ret = priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, reg);
298 ret = priv->mii_write(priv, addr, MII_MMD_ACC_CTL_REG,
299 (MMD_DATA << MMD_CMD_S) |
300 ((devad << MMD_DEVAD_S) & MMD_DEVAD_M));
304 return priv->mii_write(priv, addr, MII_MMD_ADDR_DATA_REG, val);
308 * MT7530 Internal Register Address Bits
309 * -------------------------------------------------------------------
310 * | 15 14 13 12 11 10 9 8 7 6 | 5 4 3 2 | 1 0 |
311 * |----------------------------------------|---------------|--------|
312 * | Page Address | Reg Address | Unused |
313 * -------------------------------------------------------------------
316 static int mt753x_reg_read(struct mtk_eth_priv *priv, u32 reg, u32 *data)
318 int ret, low_word, high_word;
320 /* Write page address */
321 ret = mtk_mii_write(priv, priv->mt753x_smi_addr, 0x1f, reg >> 6);
326 low_word = mtk_mii_read(priv, priv->mt753x_smi_addr, (reg >> 2) & 0xf);
331 high_word = mtk_mii_read(priv, priv->mt753x_smi_addr, 0x10);
336 *data = ((u32)high_word << 16) | (low_word & 0xffff);
341 static int mt753x_reg_write(struct mtk_eth_priv *priv, u32 reg, u32 data)
345 /* Write page address */
346 ret = mtk_mii_write(priv, priv->mt753x_smi_addr, 0x1f, reg >> 6);
351 ret = mtk_mii_write(priv, priv->mt753x_smi_addr, (reg >> 2) & 0xf,
356 /* Write high word */
357 return mtk_mii_write(priv, priv->mt753x_smi_addr, 0x10, data >> 16);
360 static void mt753x_reg_rmw(struct mtk_eth_priv *priv, u32 reg, u32 clr,
365 mt753x_reg_read(priv, reg, &val);
368 mt753x_reg_write(priv, reg, val);
371 /* Indirect MDIO clause 22/45 access */
372 static int mt7531_mii_rw(struct mtk_eth_priv *priv, int phy, int reg, u16 data,
379 val = (st << MDIO_ST_S) |
380 ((cmd << MDIO_CMD_S) & MDIO_CMD_M) |
381 ((phy << MDIO_PHY_ADDR_S) & MDIO_PHY_ADDR_M) |
382 ((reg << MDIO_REG_ADDR_S) & MDIO_REG_ADDR_M);
384 if (cmd == MDIO_CMD_WRITE || cmd == MDIO_CMD_ADDR)
385 val |= data & MDIO_RW_DATA_M;
387 mt753x_reg_write(priv, MT7531_PHY_IAC, val | PHY_ACS_ST);
390 timeout = get_timer(0);
392 mt753x_reg_read(priv, MT7531_PHY_IAC, &val);
394 if ((val & PHY_ACS_ST) == 0)
397 if (get_timer(timeout) > timeout_ms)
401 if (cmd == MDIO_CMD_READ || cmd == MDIO_CMD_READ_C45) {
402 mt753x_reg_read(priv, MT7531_PHY_IAC, &val);
403 ret = val & MDIO_RW_DATA_M;
409 static int mt7531_mii_ind_read(struct mtk_eth_priv *priv, u8 phy, u8 reg)
413 if (phy >= MT753X_NUM_PHYS)
416 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, phy);
418 return mt7531_mii_rw(priv, phy_addr, reg, 0, MDIO_CMD_READ,
422 static int mt7531_mii_ind_write(struct mtk_eth_priv *priv, u8 phy, u8 reg,
427 if (phy >= MT753X_NUM_PHYS)
430 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, phy);
432 return mt7531_mii_rw(priv, phy_addr, reg, val, MDIO_CMD_WRITE,
436 int mt7531_mmd_ind_read(struct mtk_eth_priv *priv, u8 addr, u8 devad, u16 reg)
441 if (addr >= MT753X_NUM_PHYS)
444 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, addr);
446 ret = mt7531_mii_rw(priv, phy_addr, devad, reg, MDIO_CMD_ADDR,
451 return mt7531_mii_rw(priv, phy_addr, devad, 0, MDIO_CMD_READ_C45,
455 static int mt7531_mmd_ind_write(struct mtk_eth_priv *priv, u8 addr, u8 devad,
461 if (addr >= MT753X_NUM_PHYS)
464 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, addr);
466 ret = mt7531_mii_rw(priv, phy_addr, devad, reg, MDIO_CMD_ADDR,
471 return mt7531_mii_rw(priv, phy_addr, devad, val, MDIO_CMD_WRITE,
475 static int mtk_mdio_read(struct mii_dev *bus, int addr, int devad, int reg)
477 struct mtk_eth_priv *priv = bus->priv;
480 return priv->mii_read(priv, addr, reg);
482 return priv->mmd_read(priv, addr, devad, reg);
485 static int mtk_mdio_write(struct mii_dev *bus, int addr, int devad, int reg,
488 struct mtk_eth_priv *priv = bus->priv;
491 return priv->mii_write(priv, addr, reg, val);
493 return priv->mmd_write(priv, addr, devad, reg, val);
496 static int mtk_mdio_register(struct udevice *dev)
498 struct mtk_eth_priv *priv = dev_get_priv(dev);
499 struct mii_dev *mdio_bus = mdio_alloc();
505 /* Assign MDIO access APIs according to the switch/phy */
508 priv->mii_read = mtk_mii_read;
509 priv->mii_write = mtk_mii_write;
510 priv->mmd_read = mtk_mmd_ind_read;
511 priv->mmd_write = mtk_mmd_ind_write;
514 priv->mii_read = mt7531_mii_ind_read;
515 priv->mii_write = mt7531_mii_ind_write;
516 priv->mmd_read = mt7531_mmd_ind_read;
517 priv->mmd_write = mt7531_mmd_ind_write;
520 priv->mii_read = mtk_mii_read;
521 priv->mii_write = mtk_mii_write;
522 priv->mmd_read = mtk_mmd_read;
523 priv->mmd_write = mtk_mmd_write;
526 mdio_bus->read = mtk_mdio_read;
527 mdio_bus->write = mtk_mdio_write;
528 snprintf(mdio_bus->name, sizeof(mdio_bus->name), dev->name);
530 mdio_bus->priv = (void *)priv;
532 ret = mdio_register(mdio_bus);
537 priv->mdio_bus = mdio_bus;
542 static int mt753x_core_reg_read(struct mtk_eth_priv *priv, u32 reg)
544 u8 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, 0);
546 return priv->mmd_read(priv, phy_addr, 0x1f, reg);
549 static void mt753x_core_reg_write(struct mtk_eth_priv *priv, u32 reg, u32 val)
551 u8 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, 0);
553 priv->mmd_write(priv, phy_addr, 0x1f, reg, val);
556 static int mt7530_pad_clk_setup(struct mtk_eth_priv *priv, int mode)
558 u32 ncpo1, ssc_delta;
561 case PHY_INTERFACE_MODE_RGMII:
566 printf("error: xMII mode %d not supported\n", mode);
570 /* Disable MT7530 core clock */
571 mt753x_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, 0);
573 /* Disable MT7530 PLL */
574 mt753x_core_reg_write(priv, CORE_GSWPLL_GRP1,
575 (2 << RG_GSWPLL_POSDIV_200M_S) |
576 (32 << RG_GSWPLL_FBKDIV_200M_S));
578 /* For MT7530 core clock = 500Mhz */
579 mt753x_core_reg_write(priv, CORE_GSWPLL_GRP2,
580 (1 << RG_GSWPLL_POSDIV_500M_S) |
581 (25 << RG_GSWPLL_FBKDIV_500M_S));
583 /* Enable MT7530 PLL */
584 mt753x_core_reg_write(priv, CORE_GSWPLL_GRP1,
585 (2 << RG_GSWPLL_POSDIV_200M_S) |
586 (32 << RG_GSWPLL_FBKDIV_200M_S) |
591 mt753x_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG, REG_GSWCK_EN);
593 /* Setup the MT7530 TRGMII Tx Clock */
594 mt753x_core_reg_write(priv, CORE_PLL_GROUP5, ncpo1);
595 mt753x_core_reg_write(priv, CORE_PLL_GROUP6, 0);
596 mt753x_core_reg_write(priv, CORE_PLL_GROUP10, ssc_delta);
597 mt753x_core_reg_write(priv, CORE_PLL_GROUP11, ssc_delta);
598 mt753x_core_reg_write(priv, CORE_PLL_GROUP4, RG_SYSPLL_DDSFBK_EN |
599 RG_SYSPLL_BIAS_EN | RG_SYSPLL_BIAS_LPF_EN);
601 mt753x_core_reg_write(priv, CORE_PLL_GROUP2,
602 RG_SYSPLL_EN_NORMAL | RG_SYSPLL_VODEN |
603 (1 << RG_SYSPLL_POSDIV_S));
605 mt753x_core_reg_write(priv, CORE_PLL_GROUP7,
606 RG_LCDDS_PCW_NCPO_CHG | (3 << RG_LCCDS_C_S) |
607 RG_LCDDS_PWDB | RG_LCDDS_ISO_EN);
609 /* Enable MT7530 core clock */
610 mt753x_core_reg_write(priv, CORE_TRGMII_GSW_CLK_CG,
611 REG_GSWCK_EN | REG_TRGMIICK_EN);
616 static int mt7530_setup(struct mtk_eth_priv *priv)
618 u16 phy_addr, phy_val;
622 if (!MTK_HAS_CAPS(priv->soc->caps, MTK_TRGMII_MT7621_CLK)) {
623 /* Select 250MHz clk for RGMII mode */
624 mtk_ethsys_rmw(priv, ETHSYS_CLKCFG0_REG,
625 ETHSYS_TRGMII_CLK_SEL362_5, 0);
632 /* Modify HWTRAP first to allow direct access to internal PHYs */
633 mt753x_reg_read(priv, HWTRAP_REG, &val);
636 mt753x_reg_write(priv, MHWTRAP_REG, val);
638 /* Calculate the phy base address */
639 val = ((val & SMI_ADDR_M) >> SMI_ADDR_S) << 3;
640 priv->mt753x_phy_base = (val | 0x7) + 1;
643 for (i = 0; i < MT753X_NUM_PHYS; i++) {
644 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i);
645 phy_val = priv->mii_read(priv, phy_addr, MII_BMCR);
646 phy_val |= BMCR_PDOWN;
647 priv->mii_write(priv, phy_addr, MII_BMCR, phy_val);
650 /* Force MAC link down before reset */
651 mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE);
652 mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE);
655 mt753x_reg_write(priv, SYS_CTRL_REG, SW_SYS_RST | SW_REG_RST);
658 val = (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) |
659 MAC_MODE | FORCE_MODE |
660 MAC_TX_EN | MAC_RX_EN |
661 BKOFF_EN | BACKPR_EN |
662 (SPEED_1000M << FORCE_SPD_S) |
663 FORCE_DPX | FORCE_LINK;
665 /* MT7530 Port6: Forced 1000M/FD, FC disabled */
666 mt753x_reg_write(priv, PMCR_REG(6), val);
668 /* MT7530 Port5: Forced link down */
669 mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE);
671 /* MT7530 Port6: Set to RGMII */
672 mt753x_reg_rmw(priv, MT7530_P6ECR, P6_INTF_MODE_M, P6_INTF_MODE_RGMII);
674 /* Hardware Trap: Enable Port6, Disable Port5 */
675 mt753x_reg_read(priv, HWTRAP_REG, &val);
676 val |= CHG_TRAP | LOOPDET_DIS | P5_INTF_DIS |
677 (P5_INTF_SEL_GMAC5 << P5_INTF_SEL_S) |
678 (P5_INTF_MODE_RGMII << P5_INTF_MODE_S);
679 val &= ~(C_MDIO_BPS | P6_INTF_DIS);
680 mt753x_reg_write(priv, MHWTRAP_REG, val);
682 /* Setup switch core pll */
683 mt7530_pad_clk_setup(priv, priv->phy_interface);
685 /* Lower Tx Driving for TRGMII path */
686 for (i = 0 ; i < NUM_TRGMII_CTRL ; i++)
687 mt753x_reg_write(priv, MT7530_TRGMII_TD_ODT(i),
688 (txdrv << TD_DM_DRVP_S) |
689 (txdrv << TD_DM_DRVN_S));
691 for (i = 0 ; i < NUM_TRGMII_CTRL; i++)
692 mt753x_reg_rmw(priv, MT7530_TRGMII_RD(i), RD_TAP_M, 16);
695 for (i = 0; i < MT753X_NUM_PHYS; i++) {
696 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i);
697 phy_val = priv->mii_read(priv, phy_addr, MII_BMCR);
698 phy_val &= ~BMCR_PDOWN;
699 priv->mii_write(priv, phy_addr, MII_BMCR, phy_val);
705 static void mt7531_core_pll_setup(struct mtk_eth_priv *priv, int mcm)
707 /* Step 1 : Disable MT7531 COREPLL */
708 mt753x_reg_rmw(priv, MT7531_PLLGP_EN, EN_COREPLL, 0);
710 /* Step 2: switch to XTAL output */
711 mt753x_reg_rmw(priv, MT7531_PLLGP_EN, SW_CLKSW, SW_CLKSW);
713 mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_EN, 0);
715 /* Step 3: disable PLLGP and enable program PLLGP */
716 mt753x_reg_rmw(priv, MT7531_PLLGP_EN, SW_PLLGP, SW_PLLGP);
718 /* Step 4: program COREPLL output frequency to 500MHz */
719 mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_POSDIV_M,
720 2 << RG_COREPLL_POSDIV_S);
723 /* Currently, support XTAL 25Mhz only */
724 mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_M,
725 0x140000 << RG_COREPLL_SDM_PCW_S);
727 /* Set feedback divide ratio update signal to high */
728 mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_CHG,
729 RG_COREPLL_SDM_PCW_CHG);
731 /* Wait for at least 16 XTAL clocks */
734 /* Step 5: set feedback divide ratio update signal to low */
735 mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_SDM_PCW_CHG, 0);
737 /* add enable 325M clock for SGMII */
738 mt753x_reg_write(priv, MT7531_ANA_PLLGP_CR5, 0xad0000);
740 /* add enable 250SSC clock for RGMII */
741 mt753x_reg_write(priv, MT7531_ANA_PLLGP_CR2, 0x4f40000);
743 /*Step 6: Enable MT7531 PLL */
744 mt753x_reg_rmw(priv, MT7531_PLLGP_CR0, RG_COREPLL_EN, RG_COREPLL_EN);
746 mt753x_reg_rmw(priv, MT7531_PLLGP_EN, EN_COREPLL, EN_COREPLL);
751 static int mt7531_port_sgmii_init(struct mtk_eth_priv *priv,
754 if (port != 5 && port != 6) {
755 printf("mt7531: port %d is not a SGMII port\n", port);
759 /* Set SGMII GEN2 speed(2.5G) */
760 mt753x_reg_rmw(priv, MT7531_PHYA_CTRL_SIGNAL3(port),
761 SGMSYS_SPEED_2500, SGMSYS_SPEED_2500);
763 /* Disable SGMII AN */
764 mt753x_reg_rmw(priv, MT7531_PCS_CONTROL_1(port),
767 /* SGMII force mode setting */
768 mt753x_reg_write(priv, MT7531_SGMII_MODE(port), SGMII_FORCE_MODE);
770 /* Release PHYA power down state */
771 mt753x_reg_rmw(priv, MT7531_QPHY_PWR_STATE_CTRL(port),
777 static int mt7531_port_rgmii_init(struct mtk_eth_priv *priv, u32 port)
782 printf("error: RGMII mode is not available for port %d\n",
787 mt753x_reg_read(priv, MT7531_CLKGEN_CTRL, &val);
790 val |= GP_MODE_RGMII << GP_MODE_S;
791 val |= TXCLK_NO_REVERSE;
792 val |= RXCLK_NO_DELAY;
793 val &= ~CLK_SKEW_IN_M;
794 val |= CLK_SKEW_IN_NO_CHANGE << CLK_SKEW_IN_S;
795 val &= ~CLK_SKEW_OUT_M;
796 val |= CLK_SKEW_OUT_NO_CHANGE << CLK_SKEW_OUT_S;
797 mt753x_reg_write(priv, MT7531_CLKGEN_CTRL, val);
802 static void mt7531_phy_setting(struct mtk_eth_priv *priv)
807 for (i = 0; i < MT753X_NUM_PHYS; i++) {
808 /* Enable HW auto downshift */
809 priv->mii_write(priv, i, 0x1f, 0x1);
810 val = priv->mii_read(priv, i, PHY_EXT_REG_14);
811 val |= PHY_EN_DOWN_SHFIT;
812 priv->mii_write(priv, i, PHY_EXT_REG_14, val);
814 /* PHY link down power saving enable */
815 val = priv->mii_read(priv, i, PHY_EXT_REG_17);
816 val |= PHY_LINKDOWN_POWER_SAVING_EN;
817 priv->mii_write(priv, i, PHY_EXT_REG_17, val);
819 val = priv->mmd_read(priv, i, 0x1e, PHY_DEV1E_REG_0C6);
820 val &= ~PHY_POWER_SAVING_M;
821 val |= PHY_POWER_SAVING_TX << PHY_POWER_SAVING_S;
822 priv->mmd_write(priv, i, 0x1e, PHY_DEV1E_REG_0C6, val);
826 static int mt7531_setup(struct mtk_eth_priv *priv)
828 u16 phy_addr, phy_val;
834 priv->mt753x_phy_base = (priv->mt753x_smi_addr + 1) &
835 MT753X_SMI_ADDR_MASK;
838 for (i = 0; i < MT753X_NUM_PHYS; i++) {
839 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i);
840 phy_val = priv->mii_read(priv, phy_addr, MII_BMCR);
841 phy_val |= BMCR_PDOWN;
842 priv->mii_write(priv, phy_addr, MII_BMCR, phy_val);
845 /* Force MAC link down before reset */
846 mt753x_reg_write(priv, PMCR_REG(5), FORCE_MODE_LNK);
847 mt753x_reg_write(priv, PMCR_REG(6), FORCE_MODE_LNK);
849 /* Switch soft reset */
850 mt753x_reg_write(priv, SYS_CTRL_REG, SW_SYS_RST | SW_REG_RST);
853 /* Enable MDC input Schmitt Trigger */
854 mt753x_reg_rmw(priv, MT7531_SMT0_IOLB, SMT_IOLB_5_SMI_MDC_EN,
855 SMT_IOLB_5_SMI_MDC_EN);
857 mt7531_core_pll_setup(priv, priv->mcm);
859 mt753x_reg_read(priv, MT7531_TOP_SIG_SR, &val);
860 port5_sgmii = !!(val & PAD_DUAL_SGMII_EN);
862 /* port5 support either RGMII or SGMII, port6 only support SGMII. */
863 switch (priv->phy_interface) {
864 case PHY_INTERFACE_MODE_RGMII:
866 mt7531_port_rgmii_init(priv, 5);
868 case PHY_INTERFACE_MODE_SGMII:
869 mt7531_port_sgmii_init(priv, 6);
871 mt7531_port_sgmii_init(priv, 5);
877 pmcr = MT7531_FORCE_MODE |
878 (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) |
879 MAC_MODE | MAC_TX_EN | MAC_RX_EN |
880 BKOFF_EN | BACKPR_EN |
881 FORCE_RX_FC | FORCE_TX_FC |
882 (SPEED_1000M << FORCE_SPD_S) | FORCE_DPX |
885 mt753x_reg_write(priv, PMCR_REG(5), pmcr);
886 mt753x_reg_write(priv, PMCR_REG(6), pmcr);
889 for (i = 0; i < MT753X_NUM_PHYS; i++) {
890 phy_addr = MT753X_PHY_ADDR(priv->mt753x_phy_base, i);
891 phy_val = priv->mii_read(priv, phy_addr, MII_BMCR);
892 phy_val &= ~BMCR_PDOWN;
893 priv->mii_write(priv, phy_addr, MII_BMCR, phy_val);
896 mt7531_phy_setting(priv);
898 /* Enable Internal PHYs */
899 val = mt753x_core_reg_read(priv, CORE_PLL_GROUP4);
900 val |= MT7531_BYPASS_MODE;
901 val &= ~MT7531_POWER_ON_OFF;
902 mt753x_core_reg_write(priv, CORE_PLL_GROUP4, val);
907 int mt753x_switch_init(struct mtk_eth_priv *priv)
912 /* Global reset switch */
914 reset_assert(&priv->rst_mcm);
916 reset_deassert(&priv->rst_mcm);
918 } else if (dm_gpio_is_valid(&priv->rst_gpio)) {
919 dm_gpio_set_value(&priv->rst_gpio, 0);
921 dm_gpio_set_value(&priv->rst_gpio, 1);
925 ret = priv->switch_init(priv);
929 /* Set port isolation */
930 for (i = 0; i < MT753X_NUM_PORTS; i++) {
931 /* Set port matrix mode */
933 mt753x_reg_write(priv, PCR_REG(i),
934 (0x40 << PORT_MATRIX_S));
936 mt753x_reg_write(priv, PCR_REG(i),
937 (0x3f << PORT_MATRIX_S));
939 /* Set port mode to user port */
940 mt753x_reg_write(priv, PVC_REG(i),
941 (0x8100 << STAG_VPID_S) |
942 (VLAN_ATTR_USER << VLAN_ATTR_S));
948 static void mtk_phy_link_adjust(struct mtk_eth_priv *priv)
950 u16 lcl_adv = 0, rmt_adv = 0;
954 mcr = (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) |
955 (MAC_RX_PKT_LEN_1536 << MAC_RX_PKT_LEN_S) |
956 MAC_MODE | FORCE_MODE |
957 MAC_TX_EN | MAC_RX_EN |
958 BKOFF_EN | BACKPR_EN;
960 switch (priv->phydev->speed) {
962 mcr |= (SPEED_10M << FORCE_SPD_S);
965 mcr |= (SPEED_100M << FORCE_SPD_S);
968 mcr |= (SPEED_1000M << FORCE_SPD_S);
972 if (priv->phydev->link)
975 if (priv->phydev->duplex) {
978 if (priv->phydev->pause)
979 rmt_adv = LPA_PAUSE_CAP;
980 if (priv->phydev->asym_pause)
981 rmt_adv |= LPA_PAUSE_ASYM;
983 if (priv->phydev->advertising & ADVERTISED_Pause)
984 lcl_adv |= ADVERTISE_PAUSE_CAP;
985 if (priv->phydev->advertising & ADVERTISED_Asym_Pause)
986 lcl_adv |= ADVERTISE_PAUSE_ASYM;
988 flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv);
990 if (flowctrl & FLOW_CTRL_TX)
992 if (flowctrl & FLOW_CTRL_RX)
995 debug("rx pause %s, tx pause %s\n",
996 flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled",
997 flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled");
1000 mtk_gmac_write(priv, GMAC_PORT_MCR(priv->gmac_id), mcr);
1003 static int mtk_phy_start(struct mtk_eth_priv *priv)
1005 struct phy_device *phydev = priv->phydev;
1008 ret = phy_startup(phydev);
1011 debug("Could not initialize PHY %s\n", phydev->dev->name);
1015 if (!phydev->link) {
1016 debug("%s: link down.\n", phydev->dev->name);
1020 mtk_phy_link_adjust(priv);
1022 debug("Speed: %d, %s duplex%s\n", phydev->speed,
1023 (phydev->duplex) ? "full" : "half",
1024 (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
1029 static int mtk_phy_probe(struct udevice *dev)
1031 struct mtk_eth_priv *priv = dev_get_priv(dev);
1032 struct phy_device *phydev;
1034 phydev = phy_connect(priv->mdio_bus, priv->phy_addr, dev,
1035 priv->phy_interface);
1039 phydev->supported &= PHY_GBIT_FEATURES;
1040 phydev->advertising = phydev->supported;
1042 priv->phydev = phydev;
1048 static void mtk_sgmii_init(struct mtk_eth_priv *priv)
1050 /* Set SGMII GEN2 speed(2.5G) */
1051 setbits_le32(priv->sgmii_base + priv->soc->ana_rgc3,
1054 /* Disable SGMII AN */
1055 clrsetbits_le32(priv->sgmii_base + SGMSYS_PCS_CONTROL_1,
1056 SGMII_AN_ENABLE, 0);
1058 /* SGMII force mode setting */
1059 writel(SGMII_FORCE_MODE, priv->sgmii_base + SGMSYS_SGMII_MODE);
1061 /* SGMII PN SWAP setting */
1062 if (priv->pn_swap) {
1063 setbits_le32(priv->sgmii_base + SGMSYS_QPHY_WRAP_CTRL,
1064 SGMII_PN_SWAP_TX_RX);
1067 /* Release PHYA power down state */
1068 clrsetbits_le32(priv->sgmii_base + SGMSYS_QPHY_PWR_STATE_CTRL,
1072 static void mtk_mac_init(struct mtk_eth_priv *priv)
1077 switch (priv->phy_interface) {
1078 case PHY_INTERFACE_MODE_RGMII_RXID:
1079 case PHY_INTERFACE_MODE_RGMII:
1080 ge_mode = GE_MODE_RGMII;
1082 case PHY_INTERFACE_MODE_SGMII:
1083 ge_mode = GE_MODE_RGMII;
1084 mtk_ethsys_rmw(priv, ETHSYS_SYSCFG0_REG, SYSCFG0_SGMII_SEL_M,
1085 SYSCFG0_SGMII_SEL(priv->gmac_id));
1086 mtk_sgmii_init(priv);
1088 case PHY_INTERFACE_MODE_MII:
1089 case PHY_INTERFACE_MODE_GMII:
1090 ge_mode = GE_MODE_MII;
1092 case PHY_INTERFACE_MODE_RMII:
1093 ge_mode = GE_MODE_RMII;
1099 /* set the gmac to the right mode */
1100 mtk_ethsys_rmw(priv, ETHSYS_SYSCFG0_REG,
1101 SYSCFG0_GE_MODE_M << SYSCFG0_GE_MODE_S(priv->gmac_id),
1102 ge_mode << SYSCFG0_GE_MODE_S(priv->gmac_id));
1104 if (priv->force_mode) {
1105 mcr = (IPG_96BIT_WITH_SHORT_IPG << IPG_CFG_S) |
1106 (MAC_RX_PKT_LEN_1536 << MAC_RX_PKT_LEN_S) |
1107 MAC_MODE | FORCE_MODE |
1108 MAC_TX_EN | MAC_RX_EN |
1109 BKOFF_EN | BACKPR_EN |
1112 switch (priv->speed) {
1114 mcr |= SPEED_10M << FORCE_SPD_S;
1117 mcr |= SPEED_100M << FORCE_SPD_S;
1120 mcr |= SPEED_1000M << FORCE_SPD_S;
1127 mtk_gmac_write(priv, GMAC_PORT_MCR(priv->gmac_id), mcr);
1130 if (MTK_HAS_CAPS(priv->soc->caps, MTK_GMAC1_TRGMII) &&
1131 !MTK_HAS_CAPS(priv->soc->caps, MTK_TRGMII_MT7621_CLK)) {
1132 /* Lower Tx Driving for TRGMII path */
1133 for (i = 0 ; i < NUM_TRGMII_CTRL; i++)
1134 mtk_gmac_write(priv, GMAC_TRGMII_TD_ODT(i),
1135 (8 << TD_DM_DRVP_S) |
1136 (8 << TD_DM_DRVN_S));
1138 mtk_gmac_rmw(priv, GMAC_TRGMII_RCK_CTRL, 0,
1139 RX_RST | RXC_DQSISEL);
1140 mtk_gmac_rmw(priv, GMAC_TRGMII_RCK_CTRL, RX_RST, 0);
1144 static void mtk_eth_fifo_init(struct mtk_eth_priv *priv)
1146 char *pkt_base = priv->pkt_pool;
1147 struct mtk_tx_dma_v2 *txd;
1148 struct mtk_rx_dma_v2 *rxd;
1151 mtk_pdma_rmw(priv, PDMA_GLO_CFG_REG, 0xffff0000, 0);
1154 memset(priv->tx_ring_noc, 0, NUM_TX_DESC * priv->soc->txd_size);
1155 memset(priv->rx_ring_noc, 0, NUM_RX_DESC * priv->soc->rxd_size);
1156 memset(priv->pkt_pool, 0xff, TOTAL_PKT_BUF_SIZE);
1158 flush_dcache_range((ulong)pkt_base,
1159 (ulong)(pkt_base + TOTAL_PKT_BUF_SIZE));
1161 priv->rx_dma_owner_idx0 = 0;
1162 priv->tx_cpu_owner_idx0 = 0;
1164 for (i = 0; i < NUM_TX_DESC; i++) {
1165 txd = priv->tx_ring_noc + i * priv->soc->txd_size;
1167 txd->txd1 = virt_to_phys(pkt_base);
1168 txd->txd2 = PDMA_TXD2_DDONE | PDMA_TXD2_LS0;
1170 if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V2))
1171 txd->txd5 = PDMA_V2_TXD5_FPORT_SET(priv->gmac_id + 1);
1173 txd->txd4 = PDMA_V1_TXD4_FPORT_SET(priv->gmac_id + 1);
1175 pkt_base += PKTSIZE_ALIGN;
1178 for (i = 0; i < NUM_RX_DESC; i++) {
1179 rxd = priv->rx_ring_noc + i * priv->soc->rxd_size;
1181 rxd->rxd1 = virt_to_phys(pkt_base);
1183 if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V2))
1184 rxd->rxd2 = PDMA_V2_RXD2_PLEN0_SET(PKTSIZE_ALIGN);
1186 rxd->rxd2 = PDMA_V1_RXD2_PLEN0_SET(PKTSIZE_ALIGN);
1188 pkt_base += PKTSIZE_ALIGN;
1191 mtk_pdma_write(priv, TX_BASE_PTR_REG(0),
1192 virt_to_phys(priv->tx_ring_noc));
1193 mtk_pdma_write(priv, TX_MAX_CNT_REG(0), NUM_TX_DESC);
1194 mtk_pdma_write(priv, TX_CTX_IDX_REG(0), priv->tx_cpu_owner_idx0);
1196 mtk_pdma_write(priv, RX_BASE_PTR_REG(0),
1197 virt_to_phys(priv->rx_ring_noc));
1198 mtk_pdma_write(priv, RX_MAX_CNT_REG(0), NUM_RX_DESC);
1199 mtk_pdma_write(priv, RX_CRX_IDX_REG(0), NUM_RX_DESC - 1);
1201 mtk_pdma_write(priv, PDMA_RST_IDX_REG, RST_DTX_IDX0 | RST_DRX_IDX0);
1204 static int mtk_eth_start(struct udevice *dev)
1206 struct mtk_eth_priv *priv = dev_get_priv(dev);
1210 reset_assert(&priv->rst_fe);
1212 reset_deassert(&priv->rst_fe);
1215 if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V2))
1216 setbits_le32(priv->fe_base + FE_GLO_MISC_REG, PDMA_VER_V2);
1218 /* Packets forward to PDMA */
1219 mtk_gdma_write(priv, priv->gmac_id, GDMA_IG_CTRL_REG, GDMA_FWD_TO_CPU);
1221 if (priv->gmac_id == 0)
1222 mtk_gdma_write(priv, 1, GDMA_IG_CTRL_REG, GDMA_FWD_DISCARD);
1224 mtk_gdma_write(priv, 0, GDMA_IG_CTRL_REG, GDMA_FWD_DISCARD);
1228 mtk_eth_fifo_init(priv);
1231 if (priv->sw == SW_NONE) {
1232 ret = mtk_phy_start(priv);
1237 mtk_pdma_rmw(priv, PDMA_GLO_CFG_REG, 0,
1238 TX_WB_DDONE | RX_DMA_EN | TX_DMA_EN);
1244 static void mtk_eth_stop(struct udevice *dev)
1246 struct mtk_eth_priv *priv = dev_get_priv(dev);
1248 mtk_pdma_rmw(priv, PDMA_GLO_CFG_REG,
1249 TX_WB_DDONE | RX_DMA_EN | TX_DMA_EN, 0);
1252 wait_for_bit_le32(priv->fe_base + priv->soc->pdma_base + PDMA_GLO_CFG_REG,
1253 RX_DMA_BUSY | TX_DMA_BUSY, 0, 5000, 0);
1256 static int mtk_eth_write_hwaddr(struct udevice *dev)
1258 struct eth_pdata *pdata = dev_get_plat(dev);
1259 struct mtk_eth_priv *priv = dev_get_priv(dev);
1260 unsigned char *mac = pdata->enetaddr;
1261 u32 macaddr_lsb, macaddr_msb;
1263 macaddr_msb = ((u32)mac[0] << 8) | (u32)mac[1];
1264 macaddr_lsb = ((u32)mac[2] << 24) | ((u32)mac[3] << 16) |
1265 ((u32)mac[4] << 8) | (u32)mac[5];
1267 mtk_gdma_write(priv, priv->gmac_id, GDMA_MAC_MSB_REG, macaddr_msb);
1268 mtk_gdma_write(priv, priv->gmac_id, GDMA_MAC_LSB_REG, macaddr_lsb);
1273 static int mtk_eth_send(struct udevice *dev, void *packet, int length)
1275 struct mtk_eth_priv *priv = dev_get_priv(dev);
1276 u32 idx = priv->tx_cpu_owner_idx0;
1277 struct mtk_tx_dma_v2 *txd;
1280 txd = priv->tx_ring_noc + idx * priv->soc->txd_size;
1282 if (!(txd->txd2 & PDMA_TXD2_DDONE)) {
1283 debug("mtk-eth: TX DMA descriptor ring is full\n");
1287 pkt_base = (void *)phys_to_virt(txd->txd1);
1288 memcpy(pkt_base, packet, length);
1289 flush_dcache_range((ulong)pkt_base, (ulong)pkt_base +
1290 roundup(length, ARCH_DMA_MINALIGN));
1292 if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V2))
1293 txd->txd2 = PDMA_TXD2_LS0 | PDMA_V2_TXD2_SDL0_SET(length);
1295 txd->txd2 = PDMA_TXD2_LS0 | PDMA_V1_TXD2_SDL0_SET(length);
1297 priv->tx_cpu_owner_idx0 = (priv->tx_cpu_owner_idx0 + 1) % NUM_TX_DESC;
1298 mtk_pdma_write(priv, TX_CTX_IDX_REG(0), priv->tx_cpu_owner_idx0);
1303 static int mtk_eth_recv(struct udevice *dev, int flags, uchar **packetp)
1305 struct mtk_eth_priv *priv = dev_get_priv(dev);
1306 u32 idx = priv->rx_dma_owner_idx0;
1307 struct mtk_rx_dma_v2 *rxd;
1311 rxd = priv->rx_ring_noc + idx * priv->soc->rxd_size;
1313 if (!(rxd->rxd2 & PDMA_RXD2_DDONE)) {
1314 debug("mtk-eth: RX DMA descriptor ring is empty\n");
1318 if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V2))
1319 length = PDMA_V2_RXD2_PLEN0_GET(rxd->rxd2);
1321 length = PDMA_V1_RXD2_PLEN0_GET(rxd->rxd2);
1323 pkt_base = (void *)phys_to_virt(rxd->rxd1);
1324 invalidate_dcache_range((ulong)pkt_base, (ulong)pkt_base +
1325 roundup(length, ARCH_DMA_MINALIGN));
1328 *packetp = pkt_base;
1333 static int mtk_eth_free_pkt(struct udevice *dev, uchar *packet, int length)
1335 struct mtk_eth_priv *priv = dev_get_priv(dev);
1336 u32 idx = priv->rx_dma_owner_idx0;
1337 struct mtk_rx_dma_v2 *rxd;
1339 rxd = priv->rx_ring_noc + idx * priv->soc->rxd_size;
1341 if (MTK_HAS_CAPS(priv->soc->caps, MTK_NETSYS_V2))
1342 rxd->rxd2 = PDMA_V2_RXD2_PLEN0_SET(PKTSIZE_ALIGN);
1344 rxd->rxd2 = PDMA_V1_RXD2_PLEN0_SET(PKTSIZE_ALIGN);
1346 mtk_pdma_write(priv, RX_CRX_IDX_REG(0), idx);
1347 priv->rx_dma_owner_idx0 = (priv->rx_dma_owner_idx0 + 1) % NUM_RX_DESC;
1352 static int mtk_eth_probe(struct udevice *dev)
1354 struct eth_pdata *pdata = dev_get_plat(dev);
1355 struct mtk_eth_priv *priv = dev_get_priv(dev);
1356 ulong iobase = pdata->iobase;
1359 /* Frame Engine Register Base */
1360 priv->fe_base = (void *)iobase;
1362 /* GMAC Register Base */
1363 priv->gmac_base = (void *)(iobase + GMAC_BASE);
1366 ret = mtk_mdio_register(dev);
1370 /* Prepare for tx/rx rings */
1371 priv->tx_ring_noc = (void *)
1372 noncached_alloc(priv->soc->txd_size * NUM_TX_DESC,
1374 priv->rx_ring_noc = (void *)
1375 noncached_alloc(priv->soc->rxd_size * NUM_RX_DESC,
1381 /* Probe phy if switch is not specified */
1382 if (priv->sw == SW_NONE)
1383 return mtk_phy_probe(dev);
1385 /* Initialize switch */
1386 return mt753x_switch_init(priv);
1389 static int mtk_eth_remove(struct udevice *dev)
1391 struct mtk_eth_priv *priv = dev_get_priv(dev);
1393 /* MDIO unregister */
1394 mdio_unregister(priv->mdio_bus);
1395 mdio_free(priv->mdio_bus);
1397 /* Stop possibly started DMA */
1403 static int mtk_eth_of_to_plat(struct udevice *dev)
1405 struct eth_pdata *pdata = dev_get_plat(dev);
1406 struct mtk_eth_priv *priv = dev_get_priv(dev);
1407 struct ofnode_phandle_args args;
1408 struct regmap *regmap;
1413 priv->soc = (const struct mtk_soc_data *)dev_get_driver_data(dev);
1415 dev_err(dev, "missing soc compatible data\n");
1419 pdata->iobase = (phys_addr_t)dev_remap_addr(dev);
1421 /* get corresponding ethsys phandle */
1422 ret = dev_read_phandle_with_args(dev, "mediatek,ethsys", NULL, 0, 0,
1427 priv->ethsys_regmap = syscon_node_to_regmap(args.node);
1428 if (IS_ERR(priv->ethsys_regmap))
1429 return PTR_ERR(priv->ethsys_regmap);
1431 /* Reset controllers */
1432 ret = reset_get_by_name(dev, "fe", &priv->rst_fe);
1434 printf("error: Unable to get reset ctrl for frame engine\n");
1438 priv->gmac_id = dev_read_u32_default(dev, "mediatek,gmac-id", 0);
1440 /* Interface mode is required */
1441 pdata->phy_interface = dev_read_phy_mode(dev);
1442 priv->phy_interface = pdata->phy_interface;
1443 if (pdata->phy_interface == PHY_INTERFACE_MODE_NA) {
1444 printf("error: phy-mode is not set\n");
1448 /* Force mode or autoneg */
1449 subnode = ofnode_find_subnode(dev_ofnode(dev), "fixed-link");
1450 if (ofnode_valid(subnode)) {
1451 priv->force_mode = 1;
1452 priv->speed = ofnode_read_u32_default(subnode, "speed", 0);
1453 priv->duplex = ofnode_read_bool(subnode, "full-duplex");
1455 if (priv->speed != SPEED_10 && priv->speed != SPEED_100 &&
1456 priv->speed != SPEED_1000) {
1457 printf("error: no valid speed set in fixed-link\n");
1462 if (priv->phy_interface == PHY_INTERFACE_MODE_SGMII) {
1463 /* get corresponding sgmii phandle */
1464 ret = dev_read_phandle_with_args(dev, "mediatek,sgmiisys",
1469 regmap = syscon_node_to_regmap(args.node);
1472 return PTR_ERR(regmap);
1474 priv->sgmii_base = regmap_get_range(regmap, 0);
1476 if (!priv->sgmii_base) {
1477 dev_err(dev, "Unable to find sgmii\n");
1481 priv->pn_swap = ofnode_read_bool(args.node, "pn_swap");
1484 /* check for switch first, otherwise phy will be used */
1486 priv->switch_init = NULL;
1487 str = dev_read_string(dev, "mediatek,switch");
1490 if (!strcmp(str, "mt7530")) {
1491 priv->sw = SW_MT7530;
1492 priv->switch_init = mt7530_setup;
1493 priv->mt753x_smi_addr = MT753X_DFL_SMI_ADDR;
1494 } else if (!strcmp(str, "mt7531")) {
1495 priv->sw = SW_MT7531;
1496 priv->switch_init = mt7531_setup;
1497 priv->mt753x_smi_addr = MT753X_DFL_SMI_ADDR;
1499 printf("error: unsupported switch\n");
1503 priv->mcm = dev_read_bool(dev, "mediatek,mcm");
1505 ret = reset_get_by_name(dev, "mcm", &priv->rst_mcm);
1507 printf("error: no reset ctrl for mcm\n");
1511 gpio_request_by_name(dev, "reset-gpios", 0,
1512 &priv->rst_gpio, GPIOD_IS_OUT);
1515 ret = dev_read_phandle_with_args(dev, "phy-handle", NULL, 0,
1518 printf("error: phy-handle is not specified\n");
1522 priv->phy_addr = ofnode_read_s32_default(args.node, "reg", -1);
1523 if (priv->phy_addr < 0) {
1524 printf("error: phy address is not specified\n");
1532 static const struct mtk_soc_data mt7986_data = {
1533 .caps = MT7986_CAPS,
1535 .pdma_base = PDMA_V2_BASE,
1536 .txd_size = sizeof(struct mtk_tx_dma_v2),
1537 .rxd_size = sizeof(struct mtk_rx_dma_v2),
1540 static const struct mtk_soc_data mt7981_data = {
1541 .caps = MT7986_CAPS,
1543 .pdma_base = PDMA_V2_BASE,
1544 .txd_size = sizeof(struct mtk_tx_dma_v2),
1545 .rxd_size = sizeof(struct mtk_rx_dma_v2),
1548 static const struct mtk_soc_data mt7629_data = {
1550 .pdma_base = PDMA_V1_BASE,
1551 .txd_size = sizeof(struct mtk_tx_dma),
1552 .rxd_size = sizeof(struct mtk_rx_dma),
1555 static const struct mtk_soc_data mt7623_data = {
1556 .caps = MT7623_CAPS,
1557 .pdma_base = PDMA_V1_BASE,
1558 .txd_size = sizeof(struct mtk_tx_dma),
1559 .rxd_size = sizeof(struct mtk_rx_dma),
1562 static const struct mtk_soc_data mt7622_data = {
1564 .pdma_base = PDMA_V1_BASE,
1565 .txd_size = sizeof(struct mtk_tx_dma),
1566 .rxd_size = sizeof(struct mtk_rx_dma),
1569 static const struct mtk_soc_data mt7621_data = {
1570 .caps = MT7621_CAPS,
1571 .pdma_base = PDMA_V1_BASE,
1572 .txd_size = sizeof(struct mtk_tx_dma),
1573 .rxd_size = sizeof(struct mtk_rx_dma),
1576 static const struct udevice_id mtk_eth_ids[] = {
1577 { .compatible = "mediatek,mt7986-eth", .data = (ulong)&mt7986_data },
1578 { .compatible = "mediatek,mt7981-eth", .data = (ulong)&mt7981_data },
1579 { .compatible = "mediatek,mt7629-eth", .data = (ulong)&mt7629_data },
1580 { .compatible = "mediatek,mt7623-eth", .data = (ulong)&mt7623_data },
1581 { .compatible = "mediatek,mt7622-eth", .data = (ulong)&mt7622_data },
1582 { .compatible = "mediatek,mt7621-eth", .data = (ulong)&mt7621_data },
1586 static const struct eth_ops mtk_eth_ops = {
1587 .start = mtk_eth_start,
1588 .stop = mtk_eth_stop,
1589 .send = mtk_eth_send,
1590 .recv = mtk_eth_recv,
1591 .free_pkt = mtk_eth_free_pkt,
1592 .write_hwaddr = mtk_eth_write_hwaddr,
1595 U_BOOT_DRIVER(mtk_eth) = {
1598 .of_match = mtk_eth_ids,
1599 .of_to_plat = mtk_eth_of_to_plat,
1600 .plat_auto = sizeof(struct eth_pdata),
1601 .probe = mtk_eth_probe,
1602 .remove = mtk_eth_remove,
1603 .ops = &mtk_eth_ops,
1604 .priv_auto = sizeof(struct mtk_eth_priv),
1605 .flags = DM_FLAG_ALLOC_PRIV_DMA,