board/freescale/t2080qds/eth_t2080qds.c - filogic/uboot - Gitiles

 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
  *
  * Shengzhou Liu <Shengzhou.Liu@freescale.com>
  *
  * SPDX-License-Identifier:     GPL-2.0+
  */

 #include <common.h>
 #include <command.h>
 #include <netdev.h>
 #include <asm/mmu.h>
 #include <asm/processor.h>
 #include <asm/immap_85xx.h>
 #include <asm/fsl_law.h>
 #include <asm/fsl_serdes.h>
 #include <asm/fsl_portals.h>
 #include <asm/fsl_liodn.h>
 #include <malloc.h>
 #include <fm_eth.h>
 #include <fsl_mdio.h>
 #include <miiphy.h>
 #include <phy.h>
 #include <asm/fsl_dtsec.h>
 #include <asm/fsl_serdes.h>
 #include "../common/qixis.h"
 #include "../common/fman.h"
 #include "t2080qds_qixis.h"

 #define EMI_NONE	0xFFFFFFFF
 #define EMI1_RGMII1	0
 #define EMI1_RGMII2     1
 #define EMI1_SLOT1	2
 #define EMI1_SLOT2	6
 #define EMI1_SLOT3	3
 #define EMI1_SLOT4	4
 #define EMI1_SLOT5	5
 #define EMI2		7

 static int mdio_mux[NUM_FM_PORTS];

 static const char * const mdio_names[] = {
 	"T2080QDS_MDIO_RGMII1",
 	"T2080QDS_MDIO_RGMII2",
 	"T2080QDS_MDIO_SLOT1",
 	"T2080QDS_MDIO_SLOT3",
 	"T2080QDS_MDIO_SLOT4",
 	"T2080QDS_MDIO_SLOT5",
 	"T2080QDS_MDIO_SLOT2",
 	"T2080QDS_MDIO_10GC",
 };

 /* Map SerDes1 8 lanes to default slot, will be initialized dynamically */
 static u8 lane_to_slot[] = {3, 3, 3, 3, 1, 1, 1, 1};

 static const char *T2080qds_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 = T2080qds_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;
 }

 struct T2080qds_mdio {
 	u8 muxval;
 	struct mii_dev *realbus;
 };

 static void T2080qds_mux_mdio(u8 muxval)
 {
 	u8 brdcfg4;
 	if (muxval < 7) {
 		brdcfg4 = QIXIS_READ(brdcfg[4]);
 		brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
 		brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
 		QIXIS_WRITE(brdcfg[4], brdcfg4);
 	}
 }

 static int T2080qds_mdio_read(struct mii_dev *bus, int addr, int devad,
 				int regnum)
 {
 	struct T2080qds_mdio *priv = bus->priv;

 	T2080qds_mux_mdio(priv->muxval);

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

 static int T2080qds_mdio_write(struct mii_dev *bus, int addr, int devad,
 				int regnum, u16 value)
 {
 	struct T2080qds_mdio *priv = bus->priv;

 	T2080qds_mux_mdio(priv->muxval);

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

 static int T2080qds_mdio_reset(struct mii_dev *bus)
 {
 	struct T2080qds_mdio *priv = bus->priv;

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

 static int T2080qds_mdio_init(char *realbusname, u8 muxval)
 {
 	struct T2080qds_mdio *pmdio;
 	struct mii_dev *bus = mdio_alloc();

 	if (!bus) {
 		printf("Failed to allocate T2080QDS MDIO bus\n");
 		return -1;
 	}

 	pmdio = malloc(sizeof(*pmdio));
 	if (!pmdio) {
 		printf("Failed to allocate T2080QDS private data\n");
 		free(bus);
 		return -1;
 	}

 	bus->read = T2080qds_mdio_read;
 	bus->write = T2080qds_mdio_write;
 	bus->reset = T2080qds_mdio_reset;
 	sprintf(bus->name, T2080qds_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);
 }

 void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 				enum fm_port port, int offset)
 {
 	int phy;
 	char alias[20];
 	struct fixed_link f_link;
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 srds_s1 = in_be32(&gur->rcwsr[4]) &
 				FSL_CORENET2_RCWSR4_SRDS1_PRTCL;

 	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

 	if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) {
 		phy = fm_info_get_phy_address(port);
 		switch (port) {
 		case FM1_DTSEC1:
 		case FM1_DTSEC2:
 		case FM1_DTSEC9:
 		case FM1_DTSEC10:
 			sprintf(alias, "phy_sgmii_s3_%x", phy);
 			fdt_set_phy_handle(fdt, compat, addr, alias);
 			fdt_status_okay_by_alias(fdt, "emi1_slot3");
 			break;
 		case FM1_DTSEC5:
 		case FM1_DTSEC6:
 			if (mdio_mux[port] == EMI1_SLOT1) {
 				sprintf(alias, "phy_sgmii_s1_%x", phy);
 				fdt_set_phy_handle(fdt, compat, addr, alias);
 				fdt_status_okay_by_alias(fdt, "emi1_slot1");
 			} else if (mdio_mux[port] == EMI1_SLOT2) {
 				sprintf(alias, "phy_sgmii_s2_%x", phy);
 				fdt_set_phy_handle(fdt, compat, addr, alias);
 				fdt_status_okay_by_alias(fdt, "emi1_slot2");
 			}
 			break;
 		default:
 			break;
 		}

 	} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII) {
 		switch (srds_s1) {
 		case 0x66: /* XFI interface */
 		case 0x6b:
 		case 0x6c:
 		case 0x6d:
 		case 0x71:
 			f_link.phy_id = port;
 			f_link.duplex = 1;
 			f_link.link_speed = 10000;
 			f_link.pause = 0;
 			f_link.asym_pause = 0;
 			/* no PHY for XFI */
 			fdt_delprop(fdt, offset, "phy-handle");
 			fdt_setprop(fdt, offset, "fixed-link", &f_link,
 				    sizeof(f_link));
 			break;
 		default:
 			break;
 		}
 	}
 }

 void fdt_fixup_board_enet(void *fdt)
 {
 	return;
 }

 /*
  * This function reads RCW to check if Serdes1{E,F,G,H} is configured
  * as slot 1/2/3 and update the lane_to_slot[] array accordingly
  */
 static void initialize_lane_to_slot(void)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 srds_s1 = in_be32(&gur->rcwsr[4]) &
 				FSL_CORENET2_RCWSR4_SRDS1_PRTCL;

 	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

 	switch (srds_s1) {
 	case 0x51:
 	case 0x5f:
 	case 0x65:
 	case 0x6b:
 	case 0x71:
 		lane_to_slot[5] = 2;
 		lane_to_slot[6] = 2;
 		lane_to_slot[7] = 2;
 		break;
 	case 0xa6:
 	case 0x8e:
 	case 0x8f:
 	case 0x82:
 	case 0x83:
 	case 0xd3:
 	case 0xd9:
 	case 0xcb:
 		lane_to_slot[6] = 2;
 		lane_to_slot[7] = 2;
 		break;
 	case 0xda:
 		lane_to_slot[4] = 3;
 		lane_to_slot[5] = 3;
 		lane_to_slot[6] = 3;
 		lane_to_slot[7] = 3;
 		break;
 	default:
 		break;
 	}
 }

 int board_eth_init(bd_t *bis)
 {
 #if defined(CONFIG_FMAN_ENET)
 	int i, idx, lane, slot, interface;
 	struct memac_mdio_info dtsec_mdio_info;
 	struct memac_mdio_info tgec_mdio_info;
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
 	u32 srds_s1;

 	srds_s1 = in_be32(&gur->rcwsr[4]) &
 					FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
 	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

 	initialize_lane_to_slot();

 	/* Initialize the mdio_mux array so we can recognize empty elements */
 	for (i = 0; i < NUM_FM_PORTS; i++)
 		mdio_mux[i] = EMI_NONE;

 	dtsec_mdio_info.regs =
 		(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;

 	dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;

 	/* Register the 1G MDIO bus */
 	fm_memac_mdio_init(bis, &dtsec_mdio_info);

 	tgec_mdio_info.regs =
 		(struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR;
 	tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;

 	/* Register the 10G MDIO bus */
 	fm_memac_mdio_init(bis, &tgec_mdio_info);

 	/* Register the muxing front-ends to the MDIO buses */
 	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
 	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2);
 	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
 	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
 	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
 	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
 	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
 	T2080qds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2);

 	/* Set the two on-board RGMII PHY address */
 	fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR);
 	if ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
 			FSL_CORENET_RCWSR13_EC2_DTSEC4_RGMII)
 		fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR);
 	else
 		fm_info_set_phy_address(FM1_DTSEC10, RGMII_PHY2_ADDR);

 	switch (srds_s1) {
 	case 0x1c:
 	case 0x95:
 	case 0xa2:
 	case 0x94:
 		/* SGMII in Slot3 */
 		fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
 		/* SGMII in Slot2 */
 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
 		break;
 	case 0x51:
 	case 0x5f:
 	case 0x65:
 		/* XAUI/HiGig in Slot3 */
 		fm_info_set_phy_address(FM1_10GEC1, FM1_10GEC1_PHY_ADDR);
 		/* SGMII in Slot2 */
 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
 		break;
 	case 0x66:
 		/*
 		 * 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.
 		 */
 		fm_info_set_phy_address(FM1_10GEC1, 4);
 		fm_info_set_phy_address(FM1_10GEC2, 5);
 		fm_info_set_phy_address(FM1_10GEC3, 6);
 		fm_info_set_phy_address(FM1_10GEC4, 7);
 		break;
 	case 0x6b:
 		fm_info_set_phy_address(FM1_10GEC1, 4);
 		fm_info_set_phy_address(FM1_10GEC2, 5);
 		fm_info_set_phy_address(FM1_10GEC3, 6);
 		fm_info_set_phy_address(FM1_10GEC4, 7);
 		/* SGMII in Slot2 */
 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
 		break;
 	case 0x6c:
 	case 0x6d:
 		/* SGMII in Slot3 */
 		fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
 		break;
 	case 0x71:
 		/* SGMII in Slot3 */
 		fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
 		/* SGMII in Slot2 */
 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
 		break;
 	case 0xa6:
 	case 0x8e:
 	case 0x8f:
 	case 0x82:
 	case 0x83:
 		/* SGMII in Slot3 */
 		fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
 		/* SGMII in Slot2 */
 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
 		break;
 	case 0xa4:
 	case 0x96:
 	case 0x8a:
 		/* SGMII in Slot3 */
 		fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
 		break;
 	case 0xd9:
 	case 0xd3:
 	case 0xcb:
 		/* SGMII in Slot3 */
 		fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
 		/* SGMII in Slot2 */
 		fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
 		fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
 		break;
 	default:
 		puts("Invalid SerDes1 protocol for T2080QDS\n");
 		break;
 	}

 	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
 		idx = i - FM1_DTSEC1;
 		interface = fm_info_get_enet_if(i);
 		switch (interface) {
 		case PHY_INTERFACE_MODE_SGMII:
 			lane = serdes_get_first_lane(FSL_SRDS_1,
 					SGMII_FM1_DTSEC1 + idx);
 			if (lane < 0)
 				break;
 			slot = lane_to_slot[lane];
 			debug("FM1@DTSEC%u expects SGMII in slot %u\n",
 			      idx + 1, slot);
 			if (QIXIS_READ(present2) & (1 << (slot - 1)))
 				fm_disable_port(i);

 			switch (slot) {
 			case 1:
 				mdio_mux[i] = EMI1_SLOT1;
 				fm_info_set_mdio(i, mii_dev_for_muxval(
 						 mdio_mux[i]));
 				break;
 			case 2:
 				mdio_mux[i] = EMI1_SLOT2;
 				fm_info_set_mdio(i, mii_dev_for_muxval(
 						 mdio_mux[i]));
 				break;
 			};
 			break;
 		case PHY_INTERFACE_MODE_RGMII:
 			if (i == FM1_DTSEC3)
 				mdio_mux[i] = EMI1_RGMII1;
 			else if (i == FM1_DTSEC4 || FM1_DTSEC10)
 				mdio_mux[i] = EMI1_RGMII2;
 			fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 			break;
 		default:
 			break;
 		}
 	}

 	for (i = FM1_10GEC1; i < FM1_10GEC1 + CONFIG_SYS_NUM_FM1_10GEC; i++) {
 		idx = i - FM1_10GEC1;
 		switch (fm_info_get_enet_if(i)) {
 		case PHY_INTERFACE_MODE_XGMII:
 			if (srds_s1 == 0x51) {
 				lane = serdes_get_first_lane(FSL_SRDS_1,
 						XAUI_FM1_MAC9 + idx);
 			} else if ((srds_s1 == 0x5f) || (srds_s1 == 0x65)) {
 				lane = serdes_get_first_lane(FSL_SRDS_1,
 						HIGIG_FM1_MAC9 + idx);
 			} else {
 				if (i == FM1_10GEC1 || i == FM1_10GEC2)
 					lane = serdes_get_first_lane(FSL_SRDS_1,
 						XFI_FM1_MAC9 + idx);
 				else
 					lane = serdes_get_first_lane(FSL_SRDS_1,
 						XFI_FM1_MAC1 + idx);
 			}

 			if (lane < 0)
 				break;
 			mdio_mux[i] = EMI2;
 			fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));

 			if ((srds_s1 == 0x66) || (srds_s1 == 0x6b) ||
 			    (srds_s1 == 0x6c) || (srds_s1 == 0x6d) ||
 			    (srds_s1 == 0x71)) {
 				/* As XFI is in cage intead of a slot, so
 				 * ensure doesn't disable the corresponding port
 				 */
 				break;
 			}

 			slot = lane_to_slot[lane];
 			if (QIXIS_READ(present2) & (1 << (slot - 1)))
 				fm_disable_port(i);
 			break;
 		default:
 			break;
 		}
 	}

 	cpu_eth_init(bis);
 #endif /* CONFIG_FMAN_ENET */

 	return pci_eth_init(bis);
 }
	/*
	* Copyright 2013 Freescale Semiconductor, Inc.
	*
	* Shengzhou Liu <Shengzhou.Liu@freescale.com>
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <command.h>
	#include <netdev.h>
	#include <asm/mmu.h>
	#include <asm/processor.h>
	#include <asm/immap_85xx.h>
	#include <asm/fsl_law.h>
	#include <asm/fsl_serdes.h>
	#include <asm/fsl_portals.h>
	#include <asm/fsl_liodn.h>
	#include <malloc.h>
	#include <fm_eth.h>
	#include <fsl_mdio.h>
	#include <miiphy.h>
	#include <phy.h>
	#include <asm/fsl_dtsec.h>
	#include <asm/fsl_serdes.h>
	#include "../common/qixis.h"
	#include "../common/fman.h"
	#include "t2080qds_qixis.h"

	#define EMI_NONE 0xFFFFFFFF
	#define EMI1_RGMII1 0
	#define EMI1_RGMII2 1
	#define EMI1_SLOT1 2
	#define EMI1_SLOT2 6
	#define EMI1_SLOT3 3
	#define EMI1_SLOT4 4
	#define EMI1_SLOT5 5
	#define EMI2 7

	static int mdio_mux[NUM_FM_PORTS];

	static const char * const mdio_names[] = {
	"T2080QDS_MDIO_RGMII1",
	"T2080QDS_MDIO_RGMII2",
	"T2080QDS_MDIO_SLOT1",
	"T2080QDS_MDIO_SLOT3",
	"T2080QDS_MDIO_SLOT4",
	"T2080QDS_MDIO_SLOT5",
	"T2080QDS_MDIO_SLOT2",
	"T2080QDS_MDIO_10GC",
	};

	/* Map SerDes1 8 lanes to default slot, will be initialized dynamically */
	static u8 lane_to_slot[] = {3, 3, 3, 3, 1, 1, 1, 1};

	static const char *T2080qds_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 = T2080qds_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;
	}

	struct T2080qds_mdio {
	u8 muxval;
	struct mii_dev *realbus;
	};

	static void T2080qds_mux_mdio(u8 muxval)
	{
	u8 brdcfg4;
	if (muxval < 7) {
	brdcfg4 = QIXIS_READ(brdcfg[4]);
	brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
	brdcfg4 \|= (muxval << BRDCFG4_EMISEL_SHIFT);
	QIXIS_WRITE(brdcfg[4], brdcfg4);
	}
	}

	static int T2080qds_mdio_read(struct mii_dev *bus, int addr, int devad,
	int regnum)
	{
	struct T2080qds_mdio *priv = bus->priv;

	T2080qds_mux_mdio(priv->muxval);

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

	static int T2080qds_mdio_write(struct mii_dev *bus, int addr, int devad,
	int regnum, u16 value)
	{
	struct T2080qds_mdio *priv = bus->priv;

	T2080qds_mux_mdio(priv->muxval);

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

	static int T2080qds_mdio_reset(struct mii_dev *bus)
	{
	struct T2080qds_mdio *priv = bus->priv;

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

	static int T2080qds_mdio_init(char *realbusname, u8 muxval)
	{
	struct T2080qds_mdio *pmdio;
	struct mii_dev *bus = mdio_alloc();

	if (!bus) {
	printf("Failed to allocate T2080QDS MDIO bus\n");
	return -1;
	}

	pmdio = malloc(sizeof(*pmdio));
	if (!pmdio) {
	printf("Failed to allocate T2080QDS private data\n");
	free(bus);
	return -1;
	}

	bus->read = T2080qds_mdio_read;
	bus->write = T2080qds_mdio_write;
	bus->reset = T2080qds_mdio_reset;
	sprintf(bus->name, T2080qds_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);
	}

	void board_ft_fman_fixup_port(void fdt, char compat, phys_addr_t addr,
	enum fm_port port, int offset)
	{
	int phy;
	char alias[20];
	struct fixed_link f_link;
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	u32 srds_s1 = in_be32(&gur->rcwsr[4]) &
	FSL_CORENET2_RCWSR4_SRDS1_PRTCL;

	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

	if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) {
	phy = fm_info_get_phy_address(port);
	switch (port) {
	case FM1_DTSEC1:
	case FM1_DTSEC2:
	case FM1_DTSEC9:
	case FM1_DTSEC10:
	sprintf(alias, "phy_sgmii_s3_%x", phy);
	fdt_set_phy_handle(fdt, compat, addr, alias);
	fdt_status_okay_by_alias(fdt, "emi1_slot3");
	break;
	case FM1_DTSEC5:
	case FM1_DTSEC6:
	if (mdio_mux[port] == EMI1_SLOT1) {
	sprintf(alias, "phy_sgmii_s1_%x", phy);
	fdt_set_phy_handle(fdt, compat, addr, alias);
	fdt_status_okay_by_alias(fdt, "emi1_slot1");
	} else if (mdio_mux[port] == EMI1_SLOT2) {
	sprintf(alias, "phy_sgmii_s2_%x", phy);
	fdt_set_phy_handle(fdt, compat, addr, alias);
	fdt_status_okay_by_alias(fdt, "emi1_slot2");
	}
	break;
	default:
	break;
	}

	} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII) {
	switch (srds_s1) {
	case 0x66: /* XFI interface */
	case 0x6b:
	case 0x6c:
	case 0x6d:
	case 0x71:
	f_link.phy_id = port;
	f_link.duplex = 1;
	f_link.link_speed = 10000;
	f_link.pause = 0;
	f_link.asym_pause = 0;
	/* no PHY for XFI */
	fdt_delprop(fdt, offset, "phy-handle");
	fdt_setprop(fdt, offset, "fixed-link", &f_link,
	sizeof(f_link));
	break;
	default:
	break;
	}
	}
	}

	void fdt_fixup_board_enet(void *fdt)
	{
	return;
	}

	/*
	* This function reads RCW to check if Serdes1{E,F,G,H} is configured
	* as slot 1/2/3 and update the lane_to_slot[] array accordingly
	*/
	static void initialize_lane_to_slot(void)
	{
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	u32 srds_s1 = in_be32(&gur->rcwsr[4]) &
	FSL_CORENET2_RCWSR4_SRDS1_PRTCL;

	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

	switch (srds_s1) {
	case 0x51:
	case 0x5f:
	case 0x65:
	case 0x6b:
	case 0x71:
	lane_to_slot[5] = 2;
	lane_to_slot[6] = 2;
	lane_to_slot[7] = 2;
	break;
	case 0xa6:
	case 0x8e:
	case 0x8f:
	case 0x82:
	case 0x83:
	case 0xd3:
	case 0xd9:
	case 0xcb:
	lane_to_slot[6] = 2;
	lane_to_slot[7] = 2;
	break;
	case 0xda:
	lane_to_slot[4] = 3;
	lane_to_slot[5] = 3;
	lane_to_slot[6] = 3;
	lane_to_slot[7] = 3;
	break;
	default:
	break;
	}
	}

	int board_eth_init(bd_t *bis)
	{
	#if defined(CONFIG_FMAN_ENET)
	int i, idx, lane, slot, interface;
	struct memac_mdio_info dtsec_mdio_info;
	struct memac_mdio_info tgec_mdio_info;
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	u32 rcwsr13 = in_be32(&gur->rcwsr[13]);
	u32 srds_s1;

	srds_s1 = in_be32(&gur->rcwsr[4]) &
	FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
	srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

	initialize_lane_to_slot();

	/* Initialize the mdio_mux array so we can recognize empty elements */
	for (i = 0; i < NUM_FM_PORTS; i++)
	mdio_mux[i] = EMI_NONE;

	dtsec_mdio_info.regs =
	(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;

	dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;

	/* Register the 1G MDIO bus */
	fm_memac_mdio_init(bis, &dtsec_mdio_info);

	tgec_mdio_info.regs =
	(struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR;
	tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;

	/* Register the 10G MDIO bus */
	fm_memac_mdio_init(bis, &tgec_mdio_info);

	/* Register the muxing front-ends to the MDIO buses */
	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2);
	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
	T2080qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
	T2080qds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2);

	/* Set the two on-board RGMII PHY address */
	fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY1_ADDR);
	if ((rcwsr13 & FSL_CORENET_RCWSR13_EC2) ==
	FSL_CORENET_RCWSR13_EC2_DTSEC4_RGMII)
	fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY2_ADDR);
	else
	fm_info_set_phy_address(FM1_DTSEC10, RGMII_PHY2_ADDR);

	switch (srds_s1) {
	case 0x1c:
	case 0x95:
	case 0xa2:
	case 0x94:
	/* SGMII in Slot3 */
	fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
	/* SGMII in Slot2 */
	fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
	break;
	case 0x51:
	case 0x5f:
	case 0x65:
	/* XAUI/HiGig in Slot3 */
	fm_info_set_phy_address(FM1_10GEC1, FM1_10GEC1_PHY_ADDR);
	/* SGMII in Slot2 */
	fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT4_PHY_ADDR);
	break;
	case 0x66:
	/*
	* 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.
	*/
	fm_info_set_phy_address(FM1_10GEC1, 4);
	fm_info_set_phy_address(FM1_10GEC2, 5);
	fm_info_set_phy_address(FM1_10GEC3, 6);
	fm_info_set_phy_address(FM1_10GEC4, 7);
	break;
	case 0x6b:
	fm_info_set_phy_address(FM1_10GEC1, 4);
	fm_info_set_phy_address(FM1_10GEC2, 5);
	fm_info_set_phy_address(FM1_10GEC3, 6);
	fm_info_set_phy_address(FM1_10GEC4, 7);
	/* SGMII in Slot2 */
	fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
	break;
	case 0x6c:
	case 0x6d:
	/* SGMII in Slot3 */
	fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT2_PHY_ADDR);
	break;
	case 0x71:
	/* SGMII in Slot3 */
	fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
	/* SGMII in Slot2 */
	fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
	break;
	case 0xa6:
	case 0x8e:
	case 0x8f:
	case 0x82:
	case 0x83:
	/* SGMII in Slot3 */
	fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
	/* SGMII in Slot2 */
	fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
	break;
	case 0xa4:
	case 0x96:
	case 0x8a:
	/* SGMII in Slot3 */
	fm_info_set_phy_address(FM1_DTSEC9, SGMII_CARD_PORT1_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
	break;
	case 0xd9:
	case 0xd3:
	case 0xcb:
	/* SGMII in Slot3 */
	fm_info_set_phy_address(FM1_DTSEC10, SGMII_CARD_PORT2_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT4_PHY_ADDR);
	/* SGMII in Slot2 */
	fm_info_set_phy_address(FM1_DTSEC5, SGMII_CARD_PORT3_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC6, SGMII_CARD_PORT2_PHY_ADDR);
	break;
	default:
	puts("Invalid SerDes1 protocol for T2080QDS\n");
	break;
	}

	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
	idx = i - FM1_DTSEC1;
	interface = fm_info_get_enet_if(i);
	switch (interface) {
	case PHY_INTERFACE_MODE_SGMII:
	lane = serdes_get_first_lane(FSL_SRDS_1,
	SGMII_FM1_DTSEC1 + idx);
	if (lane < 0)
	break;
	slot = lane_to_slot[lane];
	debug("FM1@DTSEC%u expects SGMII in slot %u\n",
	idx + 1, slot);
	if (QIXIS_READ(present2) & (1 << (slot - 1)))
	fm_disable_port(i);

	switch (slot) {
	case 1:
	mdio_mux[i] = EMI1_SLOT1;
	fm_info_set_mdio(i, mii_dev_for_muxval(
	mdio_mux[i]));
	break;
	case 2:
	mdio_mux[i] = EMI1_SLOT2;
	fm_info_set_mdio(i, mii_dev_for_muxval(
	mdio_mux[i]));
	break;
	};
	break;
	case PHY_INTERFACE_MODE_RGMII:
	if (i == FM1_DTSEC3)
	mdio_mux[i] = EMI1_RGMII1;
	else if (i == FM1_DTSEC4 \|\| FM1_DTSEC10)
	mdio_mux[i] = EMI1_RGMII2;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	break;
	default:
	break;
	}
	}

	for (i = FM1_10GEC1; i < FM1_10GEC1 + CONFIG_SYS_NUM_FM1_10GEC; i++) {
	idx = i - FM1_10GEC1;
	switch (fm_info_get_enet_if(i)) {
	case PHY_INTERFACE_MODE_XGMII:
	if (srds_s1 == 0x51) {
	lane = serdes_get_first_lane(FSL_SRDS_1,
	XAUI_FM1_MAC9 + idx);
	} else if ((srds_s1 == 0x5f) \|\| (srds_s1 == 0x65)) {
	lane = serdes_get_first_lane(FSL_SRDS_1,
	HIGIG_FM1_MAC9 + idx);
	} else {
	if (i == FM1_10GEC1 \|\| i == FM1_10GEC2)
	lane = serdes_get_first_lane(FSL_SRDS_1,
	XFI_FM1_MAC9 + idx);
	else
	lane = serdes_get_first_lane(FSL_SRDS_1,
	XFI_FM1_MAC1 + idx);
	}

	if (lane < 0)
	break;
	mdio_mux[i] = EMI2;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));

	if ((srds_s1 == 0x66) \|\| (srds_s1 == 0x6b) \|\|
	(srds_s1 == 0x6c) \|\| (srds_s1 == 0x6d) \|\|
	(srds_s1 == 0x71)) {
	/* As XFI is in cage intead of a slot, so
	* ensure doesn't disable the corresponding port
	*/
	break;
	}

	slot = lane_to_slot[lane];
	if (QIXIS_READ(present2) & (1 << (slot - 1)))
	fm_disable_port(i);
	break;
	default:
	break;
	}
	}

	cpu_eth_init(bis);
	#endif /* CONFIG_FMAN_ENET */

	return pci_eth_init(bis);
	}