board/freescale/ls2080aqds/eth.c - u-boot - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2015 Freescale Semiconductor, Inc.
  */

 #include <common.h>
 #include <netdev.h>
 #include <asm/io.h>
 #include <asm/arch/fsl_serdes.h>
 #include <hwconfig.h>
 #include <fsl_mdio.h>
 #include <malloc.h>
 #include <fm_eth.h>
 #include <i2c.h>
 #include <miiphy.h>
 #include <fsl-mc/fsl_mc.h>
 #include <fsl-mc/ldpaa_wriop.h>

 #include "../common/qixis.h"

 #include "ls2080aqds_qixis.h"

 #define MC_BOOT_ENV_VAR "mcinitcmd"

 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
  /* - In LS2080A there are only 16 SERDES lanes, spread across 2 SERDES banks.
  *   Bank 1 -> Lanes A, B, C, D, E, F, G, H
  *   Bank 2 -> Lanes A,B, C, D, E, F, G, H
  */

  /* Mapping of 16 SERDES lanes to LS2080A QDS board slots. A value of '0' here
   * means that the mapping must be determined dynamically, or that the lane
   * maps to something other than a board slot.
   */

 static u8 lane_to_slot_fsm1[] = {
 	0, 0, 0, 0, 0, 0, 0, 0
 };

 static u8 lane_to_slot_fsm2[] = {
 	0, 0, 0, 0, 0, 0, 0, 0
 };

 /* On the Vitesse VSC8234XHG SGMII riser card there are 4 SGMII PHYs
  * housed.
  */

 static int xqsgii_riser_phy_addr[] = {
 	XQSGMII_CARD_PHY1_PORT0_ADDR,
 	XQSGMII_CARD_PHY2_PORT0_ADDR,
 	XQSGMII_CARD_PHY3_PORT0_ADDR,
 	XQSGMII_CARD_PHY4_PORT0_ADDR,
 	XQSGMII_CARD_PHY3_PORT2_ADDR,
 	XQSGMII_CARD_PHY1_PORT2_ADDR,
 	XQSGMII_CARD_PHY4_PORT2_ADDR,
 	XQSGMII_CARD_PHY2_PORT2_ADDR,
 };

 static int sgmii_riser_phy_addr[] = {
 	SGMII_CARD_PORT1_PHY_ADDR,
 	SGMII_CARD_PORT2_PHY_ADDR,
 	SGMII_CARD_PORT3_PHY_ADDR,
 	SGMII_CARD_PORT4_PHY_ADDR,
 };

 /* Slot2 does not have EMI connections */
 #define EMI_NONE	0xFF
 #define EMI1_SLOT1	0
 #define EMI1_SLOT2	1
 #define EMI1_SLOT3	2
 #define EMI1_SLOT4	3
 #define EMI1_SLOT5	4
 #define EMI1_SLOT6	5
 #define EMI2		6
 #define SFP_TX		0

 static const char * const mdio_names[] = {
 	"LS2080A_QDS_MDIO0",
 	"LS2080A_QDS_MDIO1",
 	"LS2080A_QDS_MDIO2",
 	"LS2080A_QDS_MDIO3",
 	"LS2080A_QDS_MDIO4",
 	"LS2080A_QDS_MDIO5",
 	DEFAULT_WRIOP_MDIO2_NAME,
 };

 struct ls2080a_qds_mdio {
 	u8 muxval;
 	struct mii_dev *realbus;
 };

 static void sgmii_configure_repeater(int serdes_port)
 {
 	struct mii_dev *bus;
 	uint8_t a = 0xf;
 	int i, j, ret;
 	int dpmac_id = 0, dpmac, mii_bus = 0;
 	unsigned short value;
 	char dev[2][20] = {"LS2080A_QDS_MDIO0", "LS2080A_QDS_MDIO3"};
 	uint8_t i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5f, 0x60};

 	uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
 	uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
 	uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
 	uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};

 	int *riser_phy_addr = &xqsgii_riser_phy_addr[0];

 	/* Set I2c to Slot 1 */
 	i2c_write(0x77, 0, 0, &a, 1);

 	for (dpmac = 0; dpmac < 8; dpmac++) {
 		/* Check the PHY status */
 		switch (serdes_port) {
 		case 1:
 			mii_bus = 0;
 			dpmac_id = dpmac + 1;
 			break;
 		case 2:
 			mii_bus = 1;
 			dpmac_id = dpmac + 9;
 			a = 0xb;
 			i2c_write(0x76, 0, 0, &a, 1);
 			break;
 		}

 		ret = miiphy_set_current_dev(dev[mii_bus]);
 		if (ret > 0)
 			goto error;

 		bus = mdio_get_current_dev();
 		debug("Reading from bus %s\n", bus->name);

 		ret = miiphy_write(dev[mii_bus], riser_phy_addr[dpmac], 0x1f,
 				   3);
 		if (ret > 0)
 			goto error;

 		mdelay(10);
 		ret = miiphy_read(dev[mii_bus], riser_phy_addr[dpmac], 0x11,
 				  &value);
 		if (ret > 0)
 			goto error;

 		mdelay(10);

 		if ((value & 0xfff) == 0x401) {
 			printf("DPMAC %d:PHY is ..... Configured\n", dpmac_id);
 			miiphy_write(dev[mii_bus], riser_phy_addr[dpmac],
 				     0x1f, 0);
 			continue;
 		}

 		for (i = 0; i < 4; i++) {
 			for (j = 0; j < 4; j++) {
 				a = 0x18;
 				i2c_write(i2c_addr[dpmac], 6, 1, &a, 1);
 				a = 0x38;
 				i2c_write(i2c_addr[dpmac], 4, 1, &a, 1);
 				a = 0x4;
 				i2c_write(i2c_addr[dpmac], 8, 1, &a, 1);

 				i2c_write(i2c_addr[dpmac], 0xf, 1,
 					  &ch_a_eq[i], 1);
 				i2c_write(i2c_addr[dpmac], 0x11, 1,
 					  &ch_a_ctl2[j], 1);

 				i2c_write(i2c_addr[dpmac], 0x16, 1,
 					  &ch_b_eq[i], 1);
 				i2c_write(i2c_addr[dpmac], 0x18, 1,
 					  &ch_b_ctl2[j], 1);

 				a = 0x14;
 				i2c_write(i2c_addr[dpmac], 0x23, 1, &a, 1);
 				a = 0xb5;
 				i2c_write(i2c_addr[dpmac], 0x2d, 1, &a, 1);
 				a = 0x20;
 				i2c_write(i2c_addr[dpmac], 4, 1, &a, 1);
 				mdelay(100);
 				ret = miiphy_read(dev[mii_bus],
 						  riser_phy_addr[dpmac],
 						  0x11, &value);
 				if (ret > 0)
 					goto error;

 				mdelay(100);
 				ret = miiphy_read(dev[mii_bus],
 						  riser_phy_addr[dpmac],
 						  0x11, &value);
 				if (ret > 0)
 					goto error;

 				if ((value & 0xfff) == 0x401) {
 					printf("DPMAC %d :PHY is configured ",
 					       dpmac_id);
 					printf("after setting repeater 0x%x\n",
 					       value);
 					i = 5;
 					j = 5;
 				} else {
 					printf("DPMAC %d :PHY is failed to ",
 					       dpmac_id);
 					printf("configure the repeater 0x%x\n",
 					       value);
 				}
 			}
 		}
 		miiphy_write(dev[mii_bus], riser_phy_addr[dpmac], 0x1f, 0);
 	}
 error:
 	if (ret)
 		printf("DPMAC %d ..... FAILED to configure PHY\n", dpmac_id);
 	return;
 }

 static void qsgmii_configure_repeater(int dpmac)
 {
 	uint8_t a = 0xf;
 	int i, j;
 	int i2c_phy_addr = 0;
 	int phy_addr = 0;
 	int i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b};

 	uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
 	uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
 	uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
 	uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};

 	const char *dev = "LS2080A_QDS_MDIO0";
 	int ret = 0;
 	unsigned short value;

 	/* Set I2c to Slot 1 */
 	i2c_write(0x77, 0, 0, &a, 1);

 	switch (dpmac) {
 	case 1:
 	case 2:
 	case 3:
 	case 4:
 		i2c_phy_addr = i2c_addr[0];
 		phy_addr = 0;
 		break;

 	case 5:
 	case 6:
 	case 7:
 	case 8:
 		i2c_phy_addr = i2c_addr[1];
 		phy_addr = 4;
 		break;

 	case 9:
 	case 10:
 	case 11:
 	case 12:
 		i2c_phy_addr = i2c_addr[2];
 		phy_addr = 8;
 		break;

 	case 13:
 	case 14:
 	case 15:
 	case 16:
 		i2c_phy_addr = i2c_addr[3];
 		phy_addr = 0xc;
 		break;
 	}

 	/* Check the PHY status */
 	ret = miiphy_set_current_dev(dev);
 	ret = miiphy_write(dev, phy_addr, 0x1f, 3);
 	mdelay(10);
 	ret = miiphy_read(dev, phy_addr, 0x11, &value);
 	mdelay(10);
 	ret = miiphy_read(dev, phy_addr, 0x11, &value);
 	mdelay(10);
 	if ((value & 0xf) == 0xf) {
 		printf("DPMAC %d :PHY is ..... Configured\n", dpmac);
 		return;
 	}

 	for (i = 0; i < 4; i++) {
 		for (j = 0; j < 4; j++) {
 			a = 0x18;
 			i2c_write(i2c_phy_addr, 6, 1, &a, 1);
 			a = 0x38;
 			i2c_write(i2c_phy_addr, 4, 1, &a, 1);
 			a = 0x4;
 			i2c_write(i2c_phy_addr, 8, 1, &a, 1);

 			i2c_write(i2c_phy_addr, 0xf, 1, &ch_a_eq[i], 1);
 			i2c_write(i2c_phy_addr, 0x11, 1, &ch_a_ctl2[j], 1);

 			i2c_write(i2c_phy_addr, 0x16, 1, &ch_b_eq[i], 1);
 			i2c_write(i2c_phy_addr, 0x18, 1, &ch_b_ctl2[j], 1);

 			a = 0x14;
 			i2c_write(i2c_phy_addr, 0x23, 1, &a, 1);
 			a = 0xb5;
 			i2c_write(i2c_phy_addr, 0x2d, 1, &a, 1);
 			a = 0x20;
 			i2c_write(i2c_phy_addr, 4, 1, &a, 1);
 			mdelay(100);
 			ret = miiphy_read(dev, phy_addr, 0x11, &value);
 			if (ret > 0)
 				goto error;
 			mdelay(1);
 			ret = miiphy_read(dev, phy_addr, 0x11, &value);
 			if (ret > 0)
 				goto error;
 			mdelay(10);
 			if ((value & 0xf) == 0xf) {
 				printf("DPMAC %d :PHY is ..... Configured\n",
 				       dpmac);
 				return;
 			}
 		}
 	}
 error:
 	printf("DPMAC %d :PHY ..... FAILED to configure PHY\n", dpmac);
 	return;
 }

 static const char *ls2080a_qds_mdio_name_for_muxval(u8 muxval)
 {
 	return mdio_names[muxval];
 }

 struct mii_dev *mii_dev_for_muxval(u8 muxval)
 {
 	struct mii_dev *bus;
 	const char *name = ls2080a_qds_mdio_name_for_muxval(muxval);

 	if (!name) {
 		printf("No bus for muxval %x\n", muxval);
 		return NULL;
 	}

 	bus = miiphy_get_dev_by_name(name);

 	if (!bus) {
 		printf("No bus by name %s\n", name);
 		return NULL;
 	}

 	return bus;
 }

 static void ls2080a_qds_enable_SFP_TX(u8 muxval)
 {
 	u8 brdcfg9;

 	brdcfg9 = QIXIS_READ(brdcfg[9]);
 	brdcfg9 &= ~BRDCFG9_SFPTX_MASK;
 	brdcfg9 |= (muxval << BRDCFG9_SFPTX_SHIFT);
 	QIXIS_WRITE(brdcfg[9], brdcfg9);
 }

 static void ls2080a_qds_mux_mdio(u8 muxval)
 {
 	u8 brdcfg4;

 	if (muxval <= 5) {
 		brdcfg4 = QIXIS_READ(brdcfg[4]);
 		brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
 		brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
 		QIXIS_WRITE(brdcfg[4], brdcfg4);
 	}
 }

 static int ls2080a_qds_mdio_read(struct mii_dev *bus, int addr,
 				 int devad, int regnum)
 {
 	struct ls2080a_qds_mdio *priv = bus->priv;

 	ls2080a_qds_mux_mdio(priv->muxval);

 	return priv->realbus->read(priv->realbus, addr, devad, regnum);
 }

 static int ls2080a_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
 				  int regnum, u16 value)
 {
 	struct ls2080a_qds_mdio *priv = bus->priv;

 	ls2080a_qds_mux_mdio(priv->muxval);

 	return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
 }

 static int ls2080a_qds_mdio_reset(struct mii_dev *bus)
 {
 	struct ls2080a_qds_mdio *priv = bus->priv;

 	return priv->realbus->reset(priv->realbus);
 }

 static int ls2080a_qds_mdio_init(char *realbusname, u8 muxval)
 {
 	struct ls2080a_qds_mdio *pmdio;
 	struct mii_dev *bus = mdio_alloc();

 	if (!bus) {
 		printf("Failed to allocate ls2080a_qds MDIO bus\n");
 		return -1;
 	}

 	pmdio = malloc(sizeof(*pmdio));
 	if (!pmdio) {
 		printf("Failed to allocate ls2080a_qds private data\n");
 		free(bus);
 		return -1;
 	}

 	bus->read = ls2080a_qds_mdio_read;
 	bus->write = ls2080a_qds_mdio_write;
 	bus->reset = ls2080a_qds_mdio_reset;
 	strcpy(bus->name, ls2080a_qds_mdio_name_for_muxval(muxval));

 	pmdio->realbus = miiphy_get_dev_by_name(realbusname);

 	if (!pmdio->realbus) {
 		printf("No bus with name %s\n", realbusname);
 		free(bus);
 		free(pmdio);
 		return -1;
 	}

 	pmdio->muxval = muxval;
 	bus->priv = pmdio;

 	return mdio_register(bus);
 }

 /*
  * Initialize the dpmac_info array.
  *
  */
 static void initialize_dpmac_to_slot(void)
 {
 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
 	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;

 	char *env_hwconfig;
 	env_hwconfig = env_get("hwconfig");

 	switch (serdes1_prtcl) {
 	case 0x07:
 	case 0x09:
 	case 0x33:
 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
 		       serdes1_prtcl);
 		lane_to_slot_fsm1[0] = EMI1_SLOT1;
 		lane_to_slot_fsm1[1] = EMI1_SLOT1;
 		lane_to_slot_fsm1[2] = EMI1_SLOT1;
 		lane_to_slot_fsm1[3] = EMI1_SLOT1;
 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
 			lane_to_slot_fsm1[4] = EMI1_SLOT1;
 			lane_to_slot_fsm1[5] = EMI1_SLOT1;
 			lane_to_slot_fsm1[6] = EMI1_SLOT1;
 			lane_to_slot_fsm1[7] = EMI1_SLOT1;
 		} else {
 			lane_to_slot_fsm1[4] = EMI1_SLOT2;
 			lane_to_slot_fsm1[5] = EMI1_SLOT2;
 			lane_to_slot_fsm1[6] = EMI1_SLOT2;
 			lane_to_slot_fsm1[7] = EMI1_SLOT2;
 		}
 		break;

 	case 0x39:
 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
 		       serdes1_prtcl);
 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
 			lane_to_slot_fsm1[0] = EMI1_SLOT3;
 			lane_to_slot_fsm1[1] = EMI1_SLOT3;
 			lane_to_slot_fsm1[2] = EMI1_SLOT3;
 			lane_to_slot_fsm1[3] = EMI_NONE;
 		} else {
 			lane_to_slot_fsm1[0] = EMI_NONE;
 			lane_to_slot_fsm1[1] = EMI_NONE;
 			lane_to_slot_fsm1[2] = EMI_NONE;
 			lane_to_slot_fsm1[3] = EMI_NONE;
 		}
 		lane_to_slot_fsm1[4] = EMI1_SLOT3;
 		lane_to_slot_fsm1[5] = EMI1_SLOT3;
 		lane_to_slot_fsm1[6] = EMI1_SLOT3;
 		lane_to_slot_fsm1[7] = EMI_NONE;
 		break;

 	case 0x4D:
 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
 		       serdes1_prtcl);
 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
 			lane_to_slot_fsm1[0] = EMI1_SLOT3;
 			lane_to_slot_fsm1[1] = EMI1_SLOT3;
 			lane_to_slot_fsm1[2] = EMI_NONE;
 			lane_to_slot_fsm1[3] = EMI_NONE;
 		} else {
 			lane_to_slot_fsm1[0] = EMI_NONE;
 			lane_to_slot_fsm1[1] = EMI_NONE;
 			lane_to_slot_fsm1[2] = EMI_NONE;
 			lane_to_slot_fsm1[3] = EMI_NONE;
 		}
 		lane_to_slot_fsm1[4] = EMI1_SLOT3;
 		lane_to_slot_fsm1[5] = EMI1_SLOT3;
 		lane_to_slot_fsm1[6] = EMI_NONE;
 		lane_to_slot_fsm1[7] = EMI_NONE;
 		break;

 	case 0x2A:
 	case 0x4B:
 	case 0x4C:
 		printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
 		       serdes1_prtcl);
 		break;
 	default:
 		printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
 		       __func__, serdes1_prtcl);
 		break;
 	}

 	switch (serdes2_prtcl) {
 	case 0x07:
 	case 0x08:
 	case 0x09:
 	case 0x49:
 		printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
 		       serdes2_prtcl);
 		lane_to_slot_fsm2[0] = EMI1_SLOT4;
 		lane_to_slot_fsm2[1] = EMI1_SLOT4;
 		lane_to_slot_fsm2[2] = EMI1_SLOT4;
 		lane_to_slot_fsm2[3] = EMI1_SLOT4;

 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
 			lane_to_slot_fsm2[4] = EMI1_SLOT4;
 			lane_to_slot_fsm2[5] = EMI1_SLOT4;
 			lane_to_slot_fsm2[6] = EMI1_SLOT4;
 			lane_to_slot_fsm2[7] = EMI1_SLOT4;
 		} else {
 			/* No MDIO physical connection */
 			lane_to_slot_fsm2[4] = EMI1_SLOT6;
 			lane_to_slot_fsm2[5] = EMI1_SLOT6;
 			lane_to_slot_fsm2[6] = EMI1_SLOT6;
 			lane_to_slot_fsm2[7] = EMI1_SLOT6;
 		}
 		break;

 	case 0x47:
 		printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
 		       serdes2_prtcl);
 		lane_to_slot_fsm2[0] = EMI_NONE;
 		lane_to_slot_fsm2[1] = EMI1_SLOT5;
 		lane_to_slot_fsm2[2] = EMI1_SLOT5;
 		lane_to_slot_fsm2[3] = EMI1_SLOT5;

 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
 			lane_to_slot_fsm2[4] = EMI_NONE;
 			lane_to_slot_fsm2[5] = EMI1_SLOT5;
 			lane_to_slot_fsm2[6] = EMI1_SLOT5;
 			lane_to_slot_fsm2[7] = EMI1_SLOT5;
 		}
 		break;

 	case 0x57:
 		printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
 		       serdes2_prtcl);
 		if (hwconfig_f("xqsgmii", env_hwconfig)) {
 			lane_to_slot_fsm2[0] = EMI_NONE;
 			lane_to_slot_fsm2[1] = EMI_NONE;
 			lane_to_slot_fsm2[2] = EMI_NONE;
 			lane_to_slot_fsm2[3] = EMI_NONE;
 		}
 		lane_to_slot_fsm2[4] = EMI_NONE;
 		lane_to_slot_fsm2[5] = EMI_NONE;
 		lane_to_slot_fsm2[6] = EMI1_SLOT5;
 		lane_to_slot_fsm2[7] = EMI1_SLOT5;
 		break;

 	default:
 		printf(" %s qds: WRIOP: Unsupported SerDes2 Protocol 0x%02x\n",
 		       __func__ , serdes2_prtcl);
 		break;
 	}
 }

 void ls2080a_handle_phy_interface_sgmii(int dpmac_id)
 {
 	int lane, slot;
 	struct mii_dev *bus;
 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
 	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;

 	int *riser_phy_addr;
 	char *env_hwconfig = env_get("hwconfig");

 	if (hwconfig_f("xqsgmii", env_hwconfig))
 		riser_phy_addr = &xqsgii_riser_phy_addr[0];
 	else
 		riser_phy_addr = &sgmii_riser_phy_addr[0];

 	if (dpmac_id > WRIOP1_DPMAC9)
 		goto serdes2;

 	switch (serdes1_prtcl) {
 	case 0x07:
 	case 0x39:
 	case 0x4D:
 		lane = serdes_get_first_lane(FSL_SRDS_1, SGMII1 + dpmac_id - 1);

 		slot = lane_to_slot_fsm1[lane];

 		switch (++slot) {
 		case 1:
 			/* Slot housing a SGMII riser card? */
 			wriop_set_phy_address(dpmac_id, 0,
 					      riser_phy_addr[dpmac_id - 1]);
 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
 			bus = mii_dev_for_muxval(EMI1_SLOT1);
 			wriop_set_mdio(dpmac_id, bus);
 			break;
 		case 2:
 			/* Slot housing a SGMII riser card? */
 			wriop_set_phy_address(dpmac_id, 0,
 					      riser_phy_addr[dpmac_id - 1]);
 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT2;
 			bus = mii_dev_for_muxval(EMI1_SLOT2);
 			wriop_set_mdio(dpmac_id, bus);
 			break;
 		case 3:
 			if (slot == EMI_NONE)
 				return;
 			if (serdes1_prtcl == 0x39) {
 				wriop_set_phy_address(dpmac_id, 0,
 					riser_phy_addr[dpmac_id - 2]);
 				if (dpmac_id >= 6 && hwconfig_f("xqsgmii",
 								env_hwconfig))
 					wriop_set_phy_address(dpmac_id, 0,
 						riser_phy_addr[dpmac_id - 3]);
 			} else {
 				wriop_set_phy_address(dpmac_id, 0,
 					riser_phy_addr[dpmac_id - 2]);
 				if (dpmac_id >= 7 && hwconfig_f("xqsgmii",
 								env_hwconfig))
 					wriop_set_phy_address(dpmac_id, 0,
 						riser_phy_addr[dpmac_id - 3]);
 			}
 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT3;
 			bus = mii_dev_for_muxval(EMI1_SLOT3);
 			wriop_set_mdio(dpmac_id, bus);
 			break;
 		case 4:
 			break;
 		case 5:
 			break;
 		case 6:
 			break;
 		}
 	break;
 	default:
 		printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
 		       __func__ , serdes1_prtcl);
 	break;
 	}

 serdes2:
 	switch (serdes2_prtcl) {
 	case 0x07:
 	case 0x08:
 	case 0x49:
 	case 0x47:
 	case 0x57:
 		lane = serdes_get_first_lane(FSL_SRDS_2, SGMII9 +
 							(dpmac_id - 9));
 		slot = lane_to_slot_fsm2[lane];

 		switch (++slot) {
 		case 1:
 			break;
 		case 3:
 			break;
 		case 4:
 			/* Slot housing a SGMII riser card? */
 			wriop_set_phy_address(dpmac_id, 0,
 					      riser_phy_addr[dpmac_id - 9]);
 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT4;
 			bus = mii_dev_for_muxval(EMI1_SLOT4);
 			wriop_set_mdio(dpmac_id, bus);
 		break;
 		case 5:
 			if (slot == EMI_NONE)
 				return;
 			if (serdes2_prtcl == 0x47) {
 				wriop_set_phy_address(dpmac_id, 0,
 					      riser_phy_addr[dpmac_id - 10]);
 				if (dpmac_id >= 14 && hwconfig_f("xqsgmii",
 								 env_hwconfig))
 					wriop_set_phy_address(dpmac_id, 0,
 						riser_phy_addr[dpmac_id - 11]);
 			} else {
 				wriop_set_phy_address(dpmac_id, 0,
 					riser_phy_addr[dpmac_id - 11]);
 			}
 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT5;
 			bus = mii_dev_for_muxval(EMI1_SLOT5);
 			wriop_set_mdio(dpmac_id, bus);
 			break;
 		case 6:
 			/* Slot housing a SGMII riser card? */
 			wriop_set_phy_address(dpmac_id, 0,
 					      riser_phy_addr[dpmac_id - 13]);
 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT6;
 			bus = mii_dev_for_muxval(EMI1_SLOT6);
 			wriop_set_mdio(dpmac_id, bus);
 		break;
 	}
 	break;
 	default:
 		printf("%s qds: WRIOP: Unsupported SerDes2 Protocol 0x%02x\n",
 		       __func__, serdes2_prtcl);
 	break;
 	}
 }

 void ls2080a_handle_phy_interface_qsgmii(int dpmac_id)
 {
 	int lane = 0, slot;
 	struct mii_dev *bus;
 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;

 	switch (serdes1_prtcl) {
 	case 0x33:
 		switch (dpmac_id) {
 		case 1:
 		case 2:
 		case 3:
 		case 4:
 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_A);
 		break;
 		case 5:
 		case 6:
 		case 7:
 		case 8:
 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_B);
 		break;
 		case 9:
 		case 10:
 		case 11:
 		case 12:
 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_C);
 		break;
 		case 13:
 		case 14:
 		case 15:
 		case 16:
 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_D);
 		break;
 	}

 		slot = lane_to_slot_fsm1[lane];

 		switch (++slot) {
 		case 1:
 			/* Slot housing a QSGMII riser card? */
 			wriop_set_phy_address(dpmac_id, 0, dpmac_id - 1);
 			dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
 			bus = mii_dev_for_muxval(EMI1_SLOT1);
 			wriop_set_mdio(dpmac_id, bus);
 			break;
 		case 3:
 			break;
 		case 4:
 			break;
 		case 5:
 		break;
 		case 6:
 			break;
 	}
 	break;
 	default:
 		printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
 		       serdes1_prtcl);
 	break;
 	}

 	qsgmii_configure_repeater(dpmac_id);
 }

 void ls2080a_handle_phy_interface_xsgmii(int i)
 {
 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;

 	switch (serdes1_prtcl) {
 	case 0x2A:
 	case 0x4B:
 	case 0x4C:
 		/*
 		 * XFI does not need a PHY to work, but to avoid U-Boot use
 		 * default PHY address which is zero to a MAC when it found
 		 * a MAC has no PHY address, we give a PHY address to XFI
 		 * MAC, and should not use a real XAUI PHY address, since
 		 * MDIO can access it successfully, and then MDIO thinks
 		 * the XAUI card is used for the XFI MAC, which will cause
 		 * error.
 		 */
 		wriop_set_phy_address(i, 0, i + 4);
 		ls2080a_qds_enable_SFP_TX(SFP_TX);

 		break;
 	default:
 		printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
 		       serdes1_prtcl);
 		break;
 	}
 }
 #endif

 int board_eth_init(bd_t *bis)
 {
 	int error;
 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
 	struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
 	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
 	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
 				FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
 		>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;

 	struct memac_mdio_info *memac_mdio0_info;
 	struct memac_mdio_info *memac_mdio1_info;
 	unsigned int i;
 	char *env_hwconfig;

 	env_hwconfig = env_get("hwconfig");

 	initialize_dpmac_to_slot();

 	memac_mdio0_info = (struct memac_mdio_info *)malloc(
 					sizeof(struct memac_mdio_info));
 	memac_mdio0_info->regs =
 		(struct memac_mdio_controller *)
 					CONFIG_SYS_FSL_WRIOP1_MDIO1;
 	memac_mdio0_info->name = DEFAULT_WRIOP_MDIO1_NAME;

 	/* Register the real MDIO1 bus */
 	fm_memac_mdio_init(bis, memac_mdio0_info);

 	memac_mdio1_info = (struct memac_mdio_info *)malloc(
 					sizeof(struct memac_mdio_info));
 	memac_mdio1_info->regs =
 		(struct memac_mdio_controller *)
 					CONFIG_SYS_FSL_WRIOP1_MDIO2;
 	memac_mdio1_info->name = DEFAULT_WRIOP_MDIO2_NAME;

 	/* Register the real MDIO2 bus */
 	fm_memac_mdio_init(bis, memac_mdio1_info);

 	/* Register the muxing front-ends to the MDIO buses */
 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT1);
 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT2);
 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT3);
 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT4);
 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT5);
 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT6);

 	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO2_NAME, EMI2);

 	for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
 		switch (wriop_get_enet_if(i)) {
 		case PHY_INTERFACE_MODE_QSGMII:
 			ls2080a_handle_phy_interface_qsgmii(i);
 			break;
 		case PHY_INTERFACE_MODE_SGMII:
 			ls2080a_handle_phy_interface_sgmii(i);
 			break;
 		case PHY_INTERFACE_MODE_XGMII:
 			ls2080a_handle_phy_interface_xsgmii(i);
 			break;
 		default:
 			break;

 		if (i == 16)
 			i = NUM_WRIOP_PORTS;
 		}
 	}

 	error = cpu_eth_init(bis);

 	if (hwconfig_f("xqsgmii", env_hwconfig)) {
 		if (serdes1_prtcl == 0x7)
 			sgmii_configure_repeater(1);
 		if (serdes2_prtcl == 0x7 || serdes2_prtcl == 0x8 ||
 		    serdes2_prtcl == 0x49)
 			sgmii_configure_repeater(2);
 	}
 #endif
 	error = pci_eth_init(bis);
 	return error;
 }

 #if defined(CONFIG_RESET_PHY_R)
 void reset_phy(void)
 {
 	mc_env_boot();
 }
 #endif /* CONFIG_RESET_PHY_R */
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright 2015 Freescale Semiconductor, Inc.
	*/

	#include <common.h>
	#include <netdev.h>
	#include <asm/io.h>
	#include <asm/arch/fsl_serdes.h>
	#include <hwconfig.h>
	#include <fsl_mdio.h>
	#include <malloc.h>
	#include <fm_eth.h>
	#include <i2c.h>
	#include <miiphy.h>
	#include <fsl-mc/fsl_mc.h>
	#include <fsl-mc/ldpaa_wriop.h>

	#include "../common/qixis.h"

	#include "ls2080aqds_qixis.h"

	#define MC_BOOT_ENV_VAR "mcinitcmd"

	#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
	/* - In LS2080A there are only 16 SERDES lanes, spread across 2 SERDES banks.
	* Bank 1 -> Lanes A, B, C, D, E, F, G, H
	* Bank 2 -> Lanes A,B, C, D, E, F, G, H
	*/

	/* Mapping of 16 SERDES lanes to LS2080A QDS board slots. A value of '0' here
	* means that the mapping must be determined dynamically, or that the lane
	* maps to something other than a board slot.
	*/

	static u8 lane_to_slot_fsm1[] = {
	0, 0, 0, 0, 0, 0, 0, 0
	};

	static u8 lane_to_slot_fsm2[] = {
	0, 0, 0, 0, 0, 0, 0, 0
	};

	/* On the Vitesse VSC8234XHG SGMII riser card there are 4 SGMII PHYs
	* housed.
	*/

	static int xqsgii_riser_phy_addr[] = {
	XQSGMII_CARD_PHY1_PORT0_ADDR,
	XQSGMII_CARD_PHY2_PORT0_ADDR,
	XQSGMII_CARD_PHY3_PORT0_ADDR,
	XQSGMII_CARD_PHY4_PORT0_ADDR,
	XQSGMII_CARD_PHY3_PORT2_ADDR,
	XQSGMII_CARD_PHY1_PORT2_ADDR,
	XQSGMII_CARD_PHY4_PORT2_ADDR,
	XQSGMII_CARD_PHY2_PORT2_ADDR,
	};

	static int sgmii_riser_phy_addr[] = {
	SGMII_CARD_PORT1_PHY_ADDR,
	SGMII_CARD_PORT2_PHY_ADDR,
	SGMII_CARD_PORT3_PHY_ADDR,
	SGMII_CARD_PORT4_PHY_ADDR,
	};

	/* Slot2 does not have EMI connections */
	#define EMI_NONE 0xFF
	#define EMI1_SLOT1 0
	#define EMI1_SLOT2 1
	#define EMI1_SLOT3 2
	#define EMI1_SLOT4 3
	#define EMI1_SLOT5 4
	#define EMI1_SLOT6 5
	#define EMI2 6
	#define SFP_TX 0

	static const char * const mdio_names[] = {
	"LS2080A_QDS_MDIO0",
	"LS2080A_QDS_MDIO1",
	"LS2080A_QDS_MDIO2",
	"LS2080A_QDS_MDIO3",
	"LS2080A_QDS_MDIO4",
	"LS2080A_QDS_MDIO5",
	DEFAULT_WRIOP_MDIO2_NAME,
	};

	struct ls2080a_qds_mdio {
	u8 muxval;
	struct mii_dev *realbus;
	};

	static void sgmii_configure_repeater(int serdes_port)
	{
	struct mii_dev *bus;
	uint8_t a = 0xf;
	int i, j, ret;
	int dpmac_id = 0, dpmac, mii_bus = 0;
	unsigned short value;
	char dev[2][20] = {"LS2080A_QDS_MDIO0", "LS2080A_QDS_MDIO3"};
	uint8_t i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5f, 0x60};

	uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
	uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
	uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
	uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};

	int *riser_phy_addr = &xqsgii_riser_phy_addr[0];

	/* Set I2c to Slot 1 */
	i2c_write(0x77, 0, 0, &a, 1);

	for (dpmac = 0; dpmac < 8; dpmac++) {
	/* Check the PHY status */
	switch (serdes_port) {
	case 1:
	mii_bus = 0;
	dpmac_id = dpmac + 1;
	break;
	case 2:
	mii_bus = 1;
	dpmac_id = dpmac + 9;
	a = 0xb;
	i2c_write(0x76, 0, 0, &a, 1);
	break;
	}

	ret = miiphy_set_current_dev(dev[mii_bus]);
	if (ret > 0)
	goto error;

	bus = mdio_get_current_dev();
	debug("Reading from bus %s\n", bus->name);

	ret = miiphy_write(dev[mii_bus], riser_phy_addr[dpmac], 0x1f,
	3);
	if (ret > 0)
	goto error;

	mdelay(10);
	ret = miiphy_read(dev[mii_bus], riser_phy_addr[dpmac], 0x11,
	&value);
	if (ret > 0)
	goto error;

	mdelay(10);

	if ((value & 0xfff) == 0x401) {
	printf("DPMAC %d:PHY is ..... Configured\n", dpmac_id);
	miiphy_write(dev[mii_bus], riser_phy_addr[dpmac],
	0x1f, 0);
	continue;
	}

	for (i = 0; i < 4; i++) {
	for (j = 0; j < 4; j++) {
	a = 0x18;
	i2c_write(i2c_addr[dpmac], 6, 1, &a, 1);
	a = 0x38;
	i2c_write(i2c_addr[dpmac], 4, 1, &a, 1);
	a = 0x4;
	i2c_write(i2c_addr[dpmac], 8, 1, &a, 1);

	i2c_write(i2c_addr[dpmac], 0xf, 1,
	&ch_a_eq[i], 1);
	i2c_write(i2c_addr[dpmac], 0x11, 1,
	&ch_a_ctl2[j], 1);

	i2c_write(i2c_addr[dpmac], 0x16, 1,
	&ch_b_eq[i], 1);
	i2c_write(i2c_addr[dpmac], 0x18, 1,
	&ch_b_ctl2[j], 1);

	a = 0x14;
	i2c_write(i2c_addr[dpmac], 0x23, 1, &a, 1);
	a = 0xb5;
	i2c_write(i2c_addr[dpmac], 0x2d, 1, &a, 1);
	a = 0x20;
	i2c_write(i2c_addr[dpmac], 4, 1, &a, 1);
	mdelay(100);
	ret = miiphy_read(dev[mii_bus],
	riser_phy_addr[dpmac],
	0x11, &value);
	if (ret > 0)
	goto error;

	mdelay(100);
	ret = miiphy_read(dev[mii_bus],
	riser_phy_addr[dpmac],
	0x11, &value);
	if (ret > 0)
	goto error;

	if ((value & 0xfff) == 0x401) {
	printf("DPMAC %d :PHY is configured ",
	dpmac_id);
	printf("after setting repeater 0x%x\n",
	value);
	i = 5;
	j = 5;
	} else {
	printf("DPMAC %d :PHY is failed to ",
	dpmac_id);
	printf("configure the repeater 0x%x\n",
	value);
	}
	}
	}
	miiphy_write(dev[mii_bus], riser_phy_addr[dpmac], 0x1f, 0);
	}
	error:
	if (ret)
	printf("DPMAC %d ..... FAILED to configure PHY\n", dpmac_id);
	return;
	}

	static void qsgmii_configure_repeater(int dpmac)
	{
	uint8_t a = 0xf;
	int i, j;
	int i2c_phy_addr = 0;
	int phy_addr = 0;
	int i2c_addr[] = {0x58, 0x59, 0x5a, 0x5b};

	uint8_t ch_a_eq[] = {0x1, 0x2, 0x3, 0x7};
	uint8_t ch_a_ctl2[] = {0x81, 0x82, 0x83, 0x84};
	uint8_t ch_b_eq[] = {0x1, 0x2, 0x3, 0x7};
	uint8_t ch_b_ctl2[] = {0x81, 0x82, 0x83, 0x84};

	const char *dev = "LS2080A_QDS_MDIO0";
	int ret = 0;
	unsigned short value;

	/* Set I2c to Slot 1 */
	i2c_write(0x77, 0, 0, &a, 1);

	switch (dpmac) {
	case 1:
	case 2:
	case 3:
	case 4:
	i2c_phy_addr = i2c_addr[0];
	phy_addr = 0;
	break;

	case 5:
	case 6:
	case 7:
	case 8:
	i2c_phy_addr = i2c_addr[1];
	phy_addr = 4;
	break;

	case 9:
	case 10:
	case 11:
	case 12:
	i2c_phy_addr = i2c_addr[2];
	phy_addr = 8;
	break;

	case 13:
	case 14:
	case 15:
	case 16:
	i2c_phy_addr = i2c_addr[3];
	phy_addr = 0xc;
	break;
	}

	/* Check the PHY status */
	ret = miiphy_set_current_dev(dev);
	ret = miiphy_write(dev, phy_addr, 0x1f, 3);
	mdelay(10);
	ret = miiphy_read(dev, phy_addr, 0x11, &value);
	mdelay(10);
	ret = miiphy_read(dev, phy_addr, 0x11, &value);
	mdelay(10);
	if ((value & 0xf) == 0xf) {
	printf("DPMAC %d :PHY is ..... Configured\n", dpmac);
	return;
	}

	for (i = 0; i < 4; i++) {
	for (j = 0; j < 4; j++) {
	a = 0x18;
	i2c_write(i2c_phy_addr, 6, 1, &a, 1);
	a = 0x38;
	i2c_write(i2c_phy_addr, 4, 1, &a, 1);
	a = 0x4;
	i2c_write(i2c_phy_addr, 8, 1, &a, 1);

	i2c_write(i2c_phy_addr, 0xf, 1, &ch_a_eq[i], 1);
	i2c_write(i2c_phy_addr, 0x11, 1, &ch_a_ctl2[j], 1);

	i2c_write(i2c_phy_addr, 0x16, 1, &ch_b_eq[i], 1);
	i2c_write(i2c_phy_addr, 0x18, 1, &ch_b_ctl2[j], 1);

	a = 0x14;
	i2c_write(i2c_phy_addr, 0x23, 1, &a, 1);
	a = 0xb5;
	i2c_write(i2c_phy_addr, 0x2d, 1, &a, 1);
	a = 0x20;
	i2c_write(i2c_phy_addr, 4, 1, &a, 1);
	mdelay(100);
	ret = miiphy_read(dev, phy_addr, 0x11, &value);
	if (ret > 0)
	goto error;
	mdelay(1);
	ret = miiphy_read(dev, phy_addr, 0x11, &value);
	if (ret > 0)
	goto error;
	mdelay(10);
	if ((value & 0xf) == 0xf) {
	printf("DPMAC %d :PHY is ..... Configured\n",
	dpmac);
	return;
	}
	}
	}
	error:
	printf("DPMAC %d :PHY ..... FAILED to configure PHY\n", dpmac);
	return;
	}

	static const char *ls2080a_qds_mdio_name_for_muxval(u8 muxval)
	{
	return mdio_names[muxval];
	}

	struct mii_dev *mii_dev_for_muxval(u8 muxval)
	{
	struct mii_dev *bus;
	const char *name = ls2080a_qds_mdio_name_for_muxval(muxval);

	if (!name) {
	printf("No bus for muxval %x\n", muxval);
	return NULL;
	}

	bus = miiphy_get_dev_by_name(name);

	if (!bus) {
	printf("No bus by name %s\n", name);
	return NULL;
	}

	return bus;
	}

	static void ls2080a_qds_enable_SFP_TX(u8 muxval)
	{
	u8 brdcfg9;

	brdcfg9 = QIXIS_READ(brdcfg[9]);
	brdcfg9 &= ~BRDCFG9_SFPTX_MASK;
	brdcfg9 \|= (muxval << BRDCFG9_SFPTX_SHIFT);
	QIXIS_WRITE(brdcfg[9], brdcfg9);
	}

	static void ls2080a_qds_mux_mdio(u8 muxval)
	{
	u8 brdcfg4;

	if (muxval <= 5) {
	brdcfg4 = QIXIS_READ(brdcfg[4]);
	brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
	brdcfg4 \|= (muxval << BRDCFG4_EMISEL_SHIFT);
	QIXIS_WRITE(brdcfg[4], brdcfg4);
	}
	}

	static int ls2080a_qds_mdio_read(struct mii_dev *bus, int addr,
	int devad, int regnum)
	{
	struct ls2080a_qds_mdio *priv = bus->priv;

	ls2080a_qds_mux_mdio(priv->muxval);

	return priv->realbus->read(priv->realbus, addr, devad, regnum);
	}

	static int ls2080a_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
	int regnum, u16 value)
	{
	struct ls2080a_qds_mdio *priv = bus->priv;

	ls2080a_qds_mux_mdio(priv->muxval);

	return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
	}

	static int ls2080a_qds_mdio_reset(struct mii_dev *bus)
	{
	struct ls2080a_qds_mdio *priv = bus->priv;

	return priv->realbus->reset(priv->realbus);
	}

	static int ls2080a_qds_mdio_init(char *realbusname, u8 muxval)
	{
	struct ls2080a_qds_mdio *pmdio;
	struct mii_dev *bus = mdio_alloc();

	if (!bus) {
	printf("Failed to allocate ls2080a_qds MDIO bus\n");
	return -1;
	}

	pmdio = malloc(sizeof(*pmdio));
	if (!pmdio) {
	printf("Failed to allocate ls2080a_qds private data\n");
	free(bus);
	return -1;
	}

	bus->read = ls2080a_qds_mdio_read;
	bus->write = ls2080a_qds_mdio_write;
	bus->reset = ls2080a_qds_mdio_reset;
	strcpy(bus->name, ls2080a_qds_mdio_name_for_muxval(muxval));

	pmdio->realbus = miiphy_get_dev_by_name(realbusname);

	if (!pmdio->realbus) {
	printf("No bus with name %s\n", realbusname);
	free(bus);
	free(pmdio);
	return -1;
	}

	pmdio->muxval = muxval;
	bus->priv = pmdio;

	return mdio_register(bus);
	}

	/*
	* Initialize the dpmac_info array.
	*
	*/
	static void initialize_dpmac_to_slot(void)
	{
	struct ccsr_gur __iomem gur = (void )CONFIG_SYS_FSL_GUTS_ADDR;
	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;

	char *env_hwconfig;
	env_hwconfig = env_get("hwconfig");

	switch (serdes1_prtcl) {
	case 0x07:
	case 0x09:
	case 0x33:
	printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
	serdes1_prtcl);
	lane_to_slot_fsm1[0] = EMI1_SLOT1;
	lane_to_slot_fsm1[1] = EMI1_SLOT1;
	lane_to_slot_fsm1[2] = EMI1_SLOT1;
	lane_to_slot_fsm1[3] = EMI1_SLOT1;
	if (hwconfig_f("xqsgmii", env_hwconfig)) {
	lane_to_slot_fsm1[4] = EMI1_SLOT1;
	lane_to_slot_fsm1[5] = EMI1_SLOT1;
	lane_to_slot_fsm1[6] = EMI1_SLOT1;
	lane_to_slot_fsm1[7] = EMI1_SLOT1;
	} else {
	lane_to_slot_fsm1[4] = EMI1_SLOT2;
	lane_to_slot_fsm1[5] = EMI1_SLOT2;
	lane_to_slot_fsm1[6] = EMI1_SLOT2;
	lane_to_slot_fsm1[7] = EMI1_SLOT2;
	}
	break;

	case 0x39:
	printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
	serdes1_prtcl);
	if (hwconfig_f("xqsgmii", env_hwconfig)) {
	lane_to_slot_fsm1[0] = EMI1_SLOT3;
	lane_to_slot_fsm1[1] = EMI1_SLOT3;
	lane_to_slot_fsm1[2] = EMI1_SLOT3;
	lane_to_slot_fsm1[3] = EMI_NONE;
	} else {
	lane_to_slot_fsm1[0] = EMI_NONE;
	lane_to_slot_fsm1[1] = EMI_NONE;
	lane_to_slot_fsm1[2] = EMI_NONE;
	lane_to_slot_fsm1[3] = EMI_NONE;
	}
	lane_to_slot_fsm1[4] = EMI1_SLOT3;
	lane_to_slot_fsm1[5] = EMI1_SLOT3;
	lane_to_slot_fsm1[6] = EMI1_SLOT3;
	lane_to_slot_fsm1[7] = EMI_NONE;
	break;

	case 0x4D:
	printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
	serdes1_prtcl);
	if (hwconfig_f("xqsgmii", env_hwconfig)) {
	lane_to_slot_fsm1[0] = EMI1_SLOT3;
	lane_to_slot_fsm1[1] = EMI1_SLOT3;
	lane_to_slot_fsm1[2] = EMI_NONE;
	lane_to_slot_fsm1[3] = EMI_NONE;
	} else {
	lane_to_slot_fsm1[0] = EMI_NONE;
	lane_to_slot_fsm1[1] = EMI_NONE;
	lane_to_slot_fsm1[2] = EMI_NONE;
	lane_to_slot_fsm1[3] = EMI_NONE;
	}
	lane_to_slot_fsm1[4] = EMI1_SLOT3;
	lane_to_slot_fsm1[5] = EMI1_SLOT3;
	lane_to_slot_fsm1[6] = EMI_NONE;
	lane_to_slot_fsm1[7] = EMI_NONE;
	break;

	case 0x2A:
	case 0x4B:
	case 0x4C:
	printf("qds: WRIOP: Supported SerDes1 Protocol 0x%02x\n",
	serdes1_prtcl);
	break;
	default:
	printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
	__func__, serdes1_prtcl);
	break;
	}

	switch (serdes2_prtcl) {
	case 0x07:
	case 0x08:
	case 0x09:
	case 0x49:
	printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
	serdes2_prtcl);
	lane_to_slot_fsm2[0] = EMI1_SLOT4;
	lane_to_slot_fsm2[1] = EMI1_SLOT4;
	lane_to_slot_fsm2[2] = EMI1_SLOT4;
	lane_to_slot_fsm2[3] = EMI1_SLOT4;

	if (hwconfig_f("xqsgmii", env_hwconfig)) {
	lane_to_slot_fsm2[4] = EMI1_SLOT4;
	lane_to_slot_fsm2[5] = EMI1_SLOT4;
	lane_to_slot_fsm2[6] = EMI1_SLOT4;
	lane_to_slot_fsm2[7] = EMI1_SLOT4;
	} else {
	/* No MDIO physical connection */
	lane_to_slot_fsm2[4] = EMI1_SLOT6;
	lane_to_slot_fsm2[5] = EMI1_SLOT6;
	lane_to_slot_fsm2[6] = EMI1_SLOT6;
	lane_to_slot_fsm2[7] = EMI1_SLOT6;
	}
	break;

	case 0x47:
	printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
	serdes2_prtcl);
	lane_to_slot_fsm2[0] = EMI_NONE;
	lane_to_slot_fsm2[1] = EMI1_SLOT5;
	lane_to_slot_fsm2[2] = EMI1_SLOT5;
	lane_to_slot_fsm2[3] = EMI1_SLOT5;

	if (hwconfig_f("xqsgmii", env_hwconfig)) {
	lane_to_slot_fsm2[4] = EMI_NONE;
	lane_to_slot_fsm2[5] = EMI1_SLOT5;
	lane_to_slot_fsm2[6] = EMI1_SLOT5;
	lane_to_slot_fsm2[7] = EMI1_SLOT5;
	}
	break;

	case 0x57:
	printf("qds: WRIOP: Supported SerDes2 Protocol 0x%02x\n",
	serdes2_prtcl);
	if (hwconfig_f("xqsgmii", env_hwconfig)) {
	lane_to_slot_fsm2[0] = EMI_NONE;
	lane_to_slot_fsm2[1] = EMI_NONE;
	lane_to_slot_fsm2[2] = EMI_NONE;
	lane_to_slot_fsm2[3] = EMI_NONE;
	}
	lane_to_slot_fsm2[4] = EMI_NONE;
	lane_to_slot_fsm2[5] = EMI_NONE;
	lane_to_slot_fsm2[6] = EMI1_SLOT5;
	lane_to_slot_fsm2[7] = EMI1_SLOT5;
	break;

	default:
	printf(" %s qds: WRIOP: Unsupported SerDes2 Protocol 0x%02x\n",
	__func__ , serdes2_prtcl);
	break;
	}
	}

	void ls2080a_handle_phy_interface_sgmii(int dpmac_id)
	{
	int lane, slot;
	struct mii_dev *bus;
	struct ccsr_gur __iomem gur = (void )CONFIG_SYS_FSL_GUTS_ADDR;
	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;

	int *riser_phy_addr;
	char *env_hwconfig = env_get("hwconfig");

	if (hwconfig_f("xqsgmii", env_hwconfig))
	riser_phy_addr = &xqsgii_riser_phy_addr[0];
	else
	riser_phy_addr = &sgmii_riser_phy_addr[0];

	if (dpmac_id > WRIOP1_DPMAC9)
	goto serdes2;

	switch (serdes1_prtcl) {
	case 0x07:
	case 0x39:
	case 0x4D:
	lane = serdes_get_first_lane(FSL_SRDS_1, SGMII1 + dpmac_id - 1);

	slot = lane_to_slot_fsm1[lane];

	switch (++slot) {
	case 1:
	/* Slot housing a SGMII riser card? */
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 1]);
	dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
	bus = mii_dev_for_muxval(EMI1_SLOT1);
	wriop_set_mdio(dpmac_id, bus);
	break;
	case 2:
	/* Slot housing a SGMII riser card? */
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 1]);
	dpmac_info[dpmac_id].board_mux = EMI1_SLOT2;
	bus = mii_dev_for_muxval(EMI1_SLOT2);
	wriop_set_mdio(dpmac_id, bus);
	break;
	case 3:
	if (slot == EMI_NONE)
	return;
	if (serdes1_prtcl == 0x39) {
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 2]);
	if (dpmac_id >= 6 && hwconfig_f("xqsgmii",
	env_hwconfig))
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 3]);
	} else {
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 2]);
	if (dpmac_id >= 7 && hwconfig_f("xqsgmii",
	env_hwconfig))
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 3]);
	}
	dpmac_info[dpmac_id].board_mux = EMI1_SLOT3;
	bus = mii_dev_for_muxval(EMI1_SLOT3);
	wriop_set_mdio(dpmac_id, bus);
	break;
	case 4:
	break;
	case 5:
	break;
	case 6:
	break;
	}
	break;
	default:
	printf("%s qds: WRIOP: Unsupported SerDes1 Protocol 0x%02x\n",
	__func__ , serdes1_prtcl);
	break;
	}

	serdes2:
	switch (serdes2_prtcl) {
	case 0x07:
	case 0x08:
	case 0x49:
	case 0x47:
	case 0x57:
	lane = serdes_get_first_lane(FSL_SRDS_2, SGMII9 +
	(dpmac_id - 9));
	slot = lane_to_slot_fsm2[lane];

	switch (++slot) {
	case 1:
	break;
	case 3:
	break;
	case 4:
	/* Slot housing a SGMII riser card? */
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 9]);
	dpmac_info[dpmac_id].board_mux = EMI1_SLOT4;
	bus = mii_dev_for_muxval(EMI1_SLOT4);
	wriop_set_mdio(dpmac_id, bus);
	break;
	case 5:
	if (slot == EMI_NONE)
	return;
	if (serdes2_prtcl == 0x47) {
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 10]);
	if (dpmac_id >= 14 && hwconfig_f("xqsgmii",
	env_hwconfig))
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 11]);
	} else {
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 11]);
	}
	dpmac_info[dpmac_id].board_mux = EMI1_SLOT5;
	bus = mii_dev_for_muxval(EMI1_SLOT5);
	wriop_set_mdio(dpmac_id, bus);
	break;
	case 6:
	/* Slot housing a SGMII riser card? */
	wriop_set_phy_address(dpmac_id, 0,
	riser_phy_addr[dpmac_id - 13]);
	dpmac_info[dpmac_id].board_mux = EMI1_SLOT6;
	bus = mii_dev_for_muxval(EMI1_SLOT6);
	wriop_set_mdio(dpmac_id, bus);
	break;
	}
	break;
	default:
	printf("%s qds: WRIOP: Unsupported SerDes2 Protocol 0x%02x\n",
	__func__, serdes2_prtcl);
	break;
	}
	}

	void ls2080a_handle_phy_interface_qsgmii(int dpmac_id)
	{
	int lane = 0, slot;
	struct mii_dev *bus;
	struct ccsr_gur __iomem gur = (void )CONFIG_SYS_FSL_GUTS_ADDR;
	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;

	switch (serdes1_prtcl) {
	case 0x33:
	switch (dpmac_id) {
	case 1:
	case 2:
	case 3:
	case 4:
	lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_A);
	break;
	case 5:
	case 6:
	case 7:
	case 8:
	lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_B);
	break;
	case 9:
	case 10:
	case 11:
	case 12:
	lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_C);
	break;
	case 13:
	case 14:
	case 15:
	case 16:
	lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_D);
	break;
	}

	slot = lane_to_slot_fsm1[lane];

	switch (++slot) {
	case 1:
	/* Slot housing a QSGMII riser card? */
	wriop_set_phy_address(dpmac_id, 0, dpmac_id - 1);
	dpmac_info[dpmac_id].board_mux = EMI1_SLOT1;
	bus = mii_dev_for_muxval(EMI1_SLOT1);
	wriop_set_mdio(dpmac_id, bus);
	break;
	case 3:
	break;
	case 4:
	break;
	case 5:
	break;
	case 6:
	break;
	}
	break;
	default:
	printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
	serdes1_prtcl);
	break;
	}

	qsgmii_configure_repeater(dpmac_id);
	}

	void ls2080a_handle_phy_interface_xsgmii(int i)
	{
	struct ccsr_gur __iomem gur = (void )CONFIG_SYS_FSL_GUTS_ADDR;
	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;

	switch (serdes1_prtcl) {
	case 0x2A:
	case 0x4B:
	case 0x4C:
	/*
	* XFI does not need a PHY to work, but to avoid U-Boot use
	* default PHY address which is zero to a MAC when it found
	* a MAC has no PHY address, we give a PHY address to XFI
	* MAC, and should not use a real XAUI PHY address, since
	* MDIO can access it successfully, and then MDIO thinks
	* the XAUI card is used for the XFI MAC, which will cause
	* error.
	*/
	wriop_set_phy_address(i, 0, i + 4);
	ls2080a_qds_enable_SFP_TX(SFP_TX);

	break;
	default:
	printf("qds: WRIOP: Unsupported SerDes Protocol 0x%02x\n",
	serdes1_prtcl);
	break;
	}
	}
	#endif

	int board_eth_init(bd_t *bis)
	{
	int error;
	#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
	struct ccsr_gur __iomem gur = (void )CONFIG_SYS_FSL_GUTS_ADDR;
	int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
	int serdes2_prtcl = (in_le32(&gur->rcwsr[28]) &
	FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK)
	>> FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;

	struct memac_mdio_info *memac_mdio0_info;
	struct memac_mdio_info *memac_mdio1_info;
	unsigned int i;
	char *env_hwconfig;

	env_hwconfig = env_get("hwconfig");

	initialize_dpmac_to_slot();

	memac_mdio0_info = (struct memac_mdio_info *)malloc(
	sizeof(struct memac_mdio_info));
	memac_mdio0_info->regs =
	(struct memac_mdio_controller *)
	CONFIG_SYS_FSL_WRIOP1_MDIO1;
	memac_mdio0_info->name = DEFAULT_WRIOP_MDIO1_NAME;

	/* Register the real MDIO1 bus */
	fm_memac_mdio_init(bis, memac_mdio0_info);

	memac_mdio1_info = (struct memac_mdio_info *)malloc(
	sizeof(struct memac_mdio_info));
	memac_mdio1_info->regs =
	(struct memac_mdio_controller *)
	CONFIG_SYS_FSL_WRIOP1_MDIO2;
	memac_mdio1_info->name = DEFAULT_WRIOP_MDIO2_NAME;

	/* Register the real MDIO2 bus */
	fm_memac_mdio_init(bis, memac_mdio1_info);

	/* Register the muxing front-ends to the MDIO buses */
	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT1);
	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT2);
	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT3);
	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT4);
	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT5);
	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_SLOT6);

	ls2080a_qds_mdio_init(DEFAULT_WRIOP_MDIO2_NAME, EMI2);

	for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
	switch (wriop_get_enet_if(i)) {
	case PHY_INTERFACE_MODE_QSGMII:
	ls2080a_handle_phy_interface_qsgmii(i);
	break;
	case PHY_INTERFACE_MODE_SGMII:
	ls2080a_handle_phy_interface_sgmii(i);
	break;
	case PHY_INTERFACE_MODE_XGMII:
	ls2080a_handle_phy_interface_xsgmii(i);
	break;
	default:
	break;

	if (i == 16)
	i = NUM_WRIOP_PORTS;
	}
	}

	error = cpu_eth_init(bis);

	if (hwconfig_f("xqsgmii", env_hwconfig)) {
	if (serdes1_prtcl == 0x7)
	sgmii_configure_repeater(1);
	if (serdes2_prtcl == 0x7 \|\| serdes2_prtcl == 0x8 \|\|
	serdes2_prtcl == 0x49)
	sgmii_configure_repeater(2);
	}
	#endif
	error = pci_eth_init(bis);
	return error;
	}

	#if defined(CONFIG_RESET_PHY_R)
	void reset_phy(void)
	{
	mc_env_boot();
	}
	#endif /* CONFIG_RESET_PHY_R */