board/freescale/t1040qds/eth.c - filogic/uboot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
  */

 /*
  * The RGMII PHYs are provided by the two on-board PHY connected to
  * dTSEC instances 4 and 5. The SGMII PHYs are provided by one on-board
  * PHY or by the standard four-port SGMII riser card (VSC).
  */

 #include <common.h>
 #include <fdt_support.h>
 #include <net.h>
 #include <netdev.h>
 #include <asm/fsl_serdes.h>
 #include <asm/immap_85xx.h>
 #include <fm_eth.h>
 #include <fsl_mdio.h>
 #include <malloc.h>
 #include <fsl_dtsec.h>
 #include <vsc9953.h>

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

 #include "t1040qds_qixis.h"

 #ifdef CONFIG_FMAN_ENET
  /* - In T1040 there are only 8 SERDES lanes, spread across 2 SERDES banks.
  *   Bank 1 -> Lanes A, B, C, D
  *   Bank 2 -> Lanes E, F, G, H
  */

  /* Mapping of 8 SERDES lanes to T1040 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[] = {
 	0, 0, 0, 0, 0, 0, 0, 0
 };

 /* On the Vitesse VSC8234XHG SGMII riser card there are 4 SGMII PHYs
  * housed.
  */
 static int riser_phy_addr[] = {
 	CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR,
 	CONFIG_SYS_FM1_DTSEC2_RISER_PHY_ADDR,
 	CONFIG_SYS_FM1_DTSEC3_RISER_PHY_ADDR,
 	CONFIG_SYS_FM1_DTSEC4_RISER_PHY_ADDR,
 };

 /* Slot2 does not have EMI connections */
 #define EMI_NONE	0xFFFFFFFF
 #define EMI1_RGMII0	0
 #define EMI1_RGMII1	1
 #define EMI1_SLOT1	2
 #define EMI1_SLOT3	3
 #define EMI1_SLOT4	4
 #define EMI1_SLOT5	5
 #define EMI1_SLOT6	6
 #define EMI1_SLOT7	7
 #define EMI2		8

 static int mdio_mux[NUM_FM_PORTS];

 static const char * const mdio_names[] = {
 	"T1040_QDS_MDIO0",
 	"T1040_QDS_MDIO1",
 	"T1040_QDS_MDIO2",
 	"T1040_QDS_MDIO3",
 	"T1040_QDS_MDIO4",
 	"T1040_QDS_MDIO5",
 	"T1040_QDS_MDIO6",
 	"T1040_QDS_MDIO7",
 };

 struct t1040_qds_mdio {
 	u8 muxval;
 	struct mii_dev *realbus;
 };

 static const char *t1040_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 = t1040_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 t1040_qds_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 t1040_qds_mdio_read(struct mii_dev *bus, int addr, int devad,
 				int regnum)
 {
 	struct t1040_qds_mdio *priv = bus->priv;

 	t1040_qds_mux_mdio(priv->muxval);

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

 static int t1040_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
 				int regnum, u16 value)
 {
 	struct t1040_qds_mdio *priv = bus->priv;

 	t1040_qds_mux_mdio(priv->muxval);

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

 static int t1040_qds_mdio_reset(struct mii_dev *bus)
 {
 	struct t1040_qds_mdio *priv = bus->priv;

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

 static int t1040_qds_mdio_init(char *realbusname, u8 muxval)
 {
 	struct t1040_qds_mdio *pmdio;
 	struct mii_dev *bus = mdio_alloc();

 	if (!bus) {
 		printf("Failed to allocate t1040_qds MDIO bus\n");
 		return -1;
 	}

 	pmdio = malloc(sizeof(*pmdio));
 	if (!pmdio) {
 		printf("Failed to allocate t1040_qds private data\n");
 		free(bus);
 		return -1;
 	}

 	bus->read = t1040_qds_mdio_read;
 	bus->write = t1040_qds_mdio_write;
 	bus->reset = t1040_qds_mdio_reset;
 	strcpy(bus->name, t1040_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 lane_to_slot[] array.
  *
  * On the T1040QDS board the mapping is controlled by ?? register.
  */
 static void initialize_lane_to_slot(void)
 {
 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
 	int serdes1_prtcl = (in_be32(&gur->rcwsr[4]) &
 				FSL_CORENET2_RCWSR4_SRDS1_PRTCL)
 		>> FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

 	QIXIS_WRITE(cms[0], 0x07);

 	switch (serdes1_prtcl) {
 	case 0x60:
 	case 0x66:
 	case 0x67:
 	case 0x69:
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 6;
 		lane_to_slot[3] = 5;
 		break;
 	case 0x86:
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 7;
 		lane_to_slot[3] = 7;
 		break;
 	case 0x87:
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 7;
 		lane_to_slot[3] = 7;
 		lane_to_slot[7] = 7;
 		break;
 	case 0x89:
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 7;
 		lane_to_slot[3] = 7;
 		lane_to_slot[6] = 7;
 		lane_to_slot[7] = 7;
 		break;
 	case 0x8d:
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 7;
 		lane_to_slot[3] = 7;
 		lane_to_slot[5] = 3;
 		lane_to_slot[6] = 3;
 		lane_to_slot[7] = 3;
 		break;
 	case 0x8F:
 	case 0x85:
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 6;
 		lane_to_slot[3] = 5;
 		lane_to_slot[6] = 3;
 		lane_to_slot[7] = 3;
 		break;
 	case 0xA5:
 		lane_to_slot[1] = 7;
 		lane_to_slot[6] = 3;
 		lane_to_slot[7] = 3;
 		break;
 	case 0xA7:
 		lane_to_slot[1] = 7;
 		lane_to_slot[2] = 6;
 		lane_to_slot[3] = 5;
 		lane_to_slot[7] = 7;
 		break;
 	case 0xAA:
 		lane_to_slot[1] = 7;
 		lane_to_slot[6] = 7;
 		lane_to_slot[7] = 7;
 		break;
 	case 0x40:
 		lane_to_slot[2] = 7;
 		lane_to_slot[3] = 7;
 		break;
 	default:
 		printf("qds: Fman: Unsupported SerDes Protocol 0x%02x\n",
 		       serdes1_prtcl);
 		break;
 	}
 }

 /*
  * Given the following ...
  *
  * 1) A pointer to an Fman Ethernet node (as identified by the 'compat'
  * compatible string and 'addr' physical address)
  *
  * 2) An Fman port
  *
  * ... update the phy-handle property of the Ethernet node to point to the
  * right PHY. This assumes that we already know the PHY for each port.
  *
  * The offset of the Fman Ethernet node is also passed in for convenience, but
  * it is not used, and we recalculate the offset anyway.
  *
  * Note that what we call "Fman ports" (enum fm_port) is really an Fman MAC.
  * Inside the Fman, "ports" are things that connect to MACs. We only call them
  * ports in U-Boot because on previous Ethernet devices (e.g. Gianfar), MACs
  * and ports are the same thing.
  *
  */
 void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
 			      enum fm_port port, int offset)
 {
 	phy_interface_t intf = fm_info_get_enet_if(port);
 	char phy[16];

 	/* The RGMII PHY is identified by the MAC connected to it */
 	if (intf == PHY_INTERFACE_MODE_RGMII) {
 		sprintf(phy, "rgmii_phy%u", port == FM1_DTSEC4 ? 1 : 2);
 		fdt_set_phy_handle(fdt, compat, addr, phy);
 	}

 	/* The SGMII PHY is identified by the MAC connected to it */
 	if (intf == PHY_INTERFACE_MODE_SGMII) {
 		int lane = serdes_get_first_lane(FSL_SRDS_1, SGMII_FM1_DTSEC1
 						 + port);
 		u8 slot;
 		if (lane < 0)
 			return;
 		slot = lane_to_slot[lane];
 		if (slot) {
 			/* Slot housing a SGMII riser card */
 			sprintf(phy, "phy_s%x_%02x", slot,
 				(fm_info_get_phy_address(port - FM1_DTSEC1)-
 				CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR + 1));
 			fdt_set_phy_handle(fdt, compat, addr, phy);
 		}
 	}
 }

 void fdt_fixup_board_enet(void *fdt)
 {
 	int i, lane, idx;

 	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
 		idx = i - FM1_DTSEC1;
 		switch (fm_info_get_enet_if(i)) {
 		case PHY_INTERFACE_MODE_SGMII:
 			lane = serdes_get_first_lane(FSL_SRDS_1,
 						     SGMII_FM1_DTSEC1 + idx);
 			if (lane < 0)
 				break;

 			switch (mdio_mux[i]) {
 			case EMI1_SLOT3:
 				fdt_status_okay_by_alias(fdt, "emi1_slot3");
 				break;
 			case EMI1_SLOT5:
 				fdt_status_okay_by_alias(fdt, "emi1_slot5");
 				break;
 			case EMI1_SLOT6:
 				fdt_status_okay_by_alias(fdt, "emi1_slot6");
 				break;
 			case EMI1_SLOT7:
 				fdt_status_okay_by_alias(fdt, "emi1_slot7");
 				break;
 			}
 		break;
 		case PHY_INTERFACE_MODE_RGMII:
 			if (i == FM1_DTSEC4)
 				fdt_status_okay_by_alias(fdt, "emi1_rgmii0");

 			if (i == FM1_DTSEC5)
 				fdt_status_okay_by_alias(fdt, "emi1_rgmii1");
 			break;
 		default:
 			break;
 		}
 	}
 }
 #endif /* #ifdef CONFIG_FMAN_ENET */

 static void set_brdcfg9_for_gtx_clk(void)
 {
 	u8 brdcfg9;
 	brdcfg9 = QIXIS_READ(brdcfg[9]);
 /* Initializing EPHY2 clock to RGMII mode */
 	brdcfg9 &= ~(BRDCFG9_EPHY2_MASK);
 	brdcfg9 |= (BRDCFG9_EPHY2_VAL);
 	QIXIS_WRITE(brdcfg[9], brdcfg9);
 }

 void t1040_handle_phy_interface_sgmii(int i)
 {
 	int lane, idx, slot;
 	idx = i - FM1_DTSEC1;
 	lane = serdes_get_first_lane(FSL_SRDS_1,
 			SGMII_FM1_DTSEC1 + idx);

 	if (lane < 0)
 		return;
 	slot = lane_to_slot[lane];

 	switch (slot) {
 	case 1:
 		mdio_mux[i] = EMI1_SLOT1;
 		fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 		break;
 	case 3:
 		if (FM1_DTSEC4 == i)
 			fm_info_set_phy_address(i, riser_phy_addr[0]);
 		if (FM1_DTSEC5 == i)
 			fm_info_set_phy_address(i, riser_phy_addr[1]);

 		mdio_mux[i] = EMI1_SLOT3;

 		fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 		break;
 	case 4:
 		mdio_mux[i] = EMI1_SLOT4;
 		fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 		break;
 	case 5:
 		/* Slot housing a SGMII riser card? */
 		fm_info_set_phy_address(i, riser_phy_addr[0]);
 		mdio_mux[i] = EMI1_SLOT5;
 		fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 		break;
 	case 6:
 		/* Slot housing a SGMII riser card? */
 		fm_info_set_phy_address(i, riser_phy_addr[0]);
 		mdio_mux[i] = EMI1_SLOT6;
 		fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 		break;
 	case 7:
 		if (FM1_DTSEC1 == i)
 			fm_info_set_phy_address(i, riser_phy_addr[0]);
 		if (FM1_DTSEC2 == i)
 			fm_info_set_phy_address(i, riser_phy_addr[1]);
 		if (FM1_DTSEC3 == i)
 			fm_info_set_phy_address(i, riser_phy_addr[2]);
 		if (FM1_DTSEC5 == i)
 			fm_info_set_phy_address(i, riser_phy_addr[3]);

 		mdio_mux[i] = EMI1_SLOT7;
 		fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 		break;
 	default:
 		break;
 	}
 	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 }
 void t1040_handle_phy_interface_rgmii(int i)
 {
 	fm_info_set_phy_address(i, i == FM1_DTSEC5 ?
 			CONFIG_SYS_FM1_DTSEC5_PHY_ADDR :
 			CONFIG_SYS_FM1_DTSEC4_PHY_ADDR);
 	mdio_mux[i] = (i == FM1_DTSEC5) ? EMI1_RGMII1 :
 		EMI1_RGMII0;
 	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
 }

 int board_eth_init(bd_t *bis)
 {
 #ifdef CONFIG_FMAN_ENET
 	struct memac_mdio_info memac_mdio_info;
 	unsigned int i;
 #ifdef CONFIG_VSC9953
 	int lane;
 	int phy_addr;
 	phy_interface_t phy_int;
 	struct mii_dev *bus;
 #endif

 	printf("Initializing Fman\n");
 	set_brdcfg9_for_gtx_clk();

 	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;

 	memac_mdio_info.regs =
 		(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
 	memac_mdio_info.name = DEFAULT_FM_MDIO_NAME;

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

 	/* Register the muxing front-ends to the MDIO buses */
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII0);
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT6);
 	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT7);

 	/*
 	 * Program on board RGMII PHY addresses. If the SGMII Riser
 	 * card used, we'll override the PHY address later. For any DTSEC that
 	 * is RGMII, we'll also override its PHY address later. We assume that
 	 * DTSEC4 and DTSEC5 are used for RGMII.
 	 */
 	fm_info_set_phy_address(FM1_DTSEC4, CONFIG_SYS_FM1_DTSEC4_PHY_ADDR);
 	fm_info_set_phy_address(FM1_DTSEC5, CONFIG_SYS_FM1_DTSEC5_PHY_ADDR);

 	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
 		switch (fm_info_get_enet_if(i)) {
 		case PHY_INTERFACE_MODE_QSGMII:
 			fm_info_set_mdio(i, NULL);
 			break;
 		case PHY_INTERFACE_MODE_SGMII:
 			t1040_handle_phy_interface_sgmii(i);
 			break;

 		case PHY_INTERFACE_MODE_RGMII:
 			/* Only DTSEC4 and DTSEC5 can be routed to RGMII */
 			t1040_handle_phy_interface_rgmii(i);
 			break;
 		default:
 			break;
 		}
 	}

 #ifdef CONFIG_VSC9953
 	for (i = 0; i < VSC9953_MAX_PORTS; i++) {
 		lane = -1;
 		phy_addr = 0;
 		phy_int = PHY_INTERFACE_MODE_NONE;
 		switch (i) {
 		case 0:
 		case 1:
 		case 2:
 		case 3:
 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_A);
 			/* PHYs connected over QSGMII */
 			if (lane >= 0) {
 				phy_addr = CONFIG_SYS_FM1_QSGMII21_PHY_ADDR +
 						i;
 				phy_int = PHY_INTERFACE_MODE_QSGMII;
 				break;
 			}
 			lane = serdes_get_first_lane(FSL_SRDS_1,
 					SGMII_SW1_MAC1 + i);

 			if (lane < 0)
 				break;

 			/* PHYs connected over QSGMII */
 			if (i != 3 || lane_to_slot[lane] == 7)
 				phy_addr = CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR
 					+ i;
 			else
 				phy_addr = CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR;
 			phy_int = PHY_INTERFACE_MODE_SGMII;
 			break;
 		case 4:
 		case 5:
 		case 6:
 		case 7:
 			lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_B);
 			/* PHYs connected over QSGMII */
 			if (lane >= 0) {
 				phy_addr = CONFIG_SYS_FM1_QSGMII11_PHY_ADDR +
 						i - 4;
 				phy_int = PHY_INTERFACE_MODE_QSGMII;
 				break;
 			}
 			lane = serdes_get_first_lane(FSL_SRDS_1,
 					SGMII_SW1_MAC1 + i);
 			/* PHYs connected over SGMII */
 			if (lane >= 0) {
 				phy_addr = CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR
 						+ i - 3;
 				phy_int = PHY_INTERFACE_MODE_SGMII;
 			}
 			break;
 		case 8:
 			if (serdes_get_first_lane(FSL_SRDS_1,
 						  SGMII_FM1_DTSEC1) < 0)
 				/* FM1@DTSEC1 is connected to SW1@PORT8 */
 				vsc9953_port_enable(i);
 			break;
 		case 9:
 			if (serdes_get_first_lane(FSL_SRDS_1,
 						  SGMII_FM1_DTSEC2) < 0) {
 				/* Enable L2 On MAC2 using SCFG */
 				struct ccsr_scfg *scfg = (struct ccsr_scfg *)
 						CONFIG_SYS_MPC85xx_SCFG;

 				out_be32(&scfg->esgmiiselcr,
 					 in_be32(&scfg->esgmiiselcr) |
 					 (0x80000000));
 				vsc9953_port_enable(i);
 			}
 			break;
 		}

 		if (lane >= 0) {
 			bus = mii_dev_for_muxval(lane_to_slot[lane]);
 			vsc9953_port_info_set_mdio(i, bus);
 			vsc9953_port_enable(i);
 		}
 		vsc9953_port_info_set_phy_address(i, phy_addr);
 		vsc9953_port_info_set_phy_int(i, phy_int);
 	}

 #endif
 	cpu_eth_init(bis);
 #endif

 	return pci_eth_init(bis);
 }
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright 2013 Freescale Semiconductor, Inc.
	*/

	/*
	* The RGMII PHYs are provided by the two on-board PHY connected to
	* dTSEC instances 4 and 5. The SGMII PHYs are provided by one on-board
	* PHY or by the standard four-port SGMII riser card (VSC).
	*/

	#include <common.h>
	#include <fdt_support.h>
	#include <net.h>
	#include <netdev.h>
	#include <asm/fsl_serdes.h>
	#include <asm/immap_85xx.h>
	#include <fm_eth.h>
	#include <fsl_mdio.h>
	#include <malloc.h>
	#include <fsl_dtsec.h>
	#include <vsc9953.h>

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

	#include "t1040qds_qixis.h"

	#ifdef CONFIG_FMAN_ENET
	/* - In T1040 there are only 8 SERDES lanes, spread across 2 SERDES banks.
	* Bank 1 -> Lanes A, B, C, D
	* Bank 2 -> Lanes E, F, G, H
	*/

	/* Mapping of 8 SERDES lanes to T1040 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[] = {
	0, 0, 0, 0, 0, 0, 0, 0
	};

	/* On the Vitesse VSC8234XHG SGMII riser card there are 4 SGMII PHYs
	* housed.
	*/
	static int riser_phy_addr[] = {
	CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR,
	CONFIG_SYS_FM1_DTSEC2_RISER_PHY_ADDR,
	CONFIG_SYS_FM1_DTSEC3_RISER_PHY_ADDR,
	CONFIG_SYS_FM1_DTSEC4_RISER_PHY_ADDR,
	};

	/* Slot2 does not have EMI connections */
	#define EMI_NONE 0xFFFFFFFF
	#define EMI1_RGMII0 0
	#define EMI1_RGMII1 1
	#define EMI1_SLOT1 2
	#define EMI1_SLOT3 3
	#define EMI1_SLOT4 4
	#define EMI1_SLOT5 5
	#define EMI1_SLOT6 6
	#define EMI1_SLOT7 7
	#define EMI2 8

	static int mdio_mux[NUM_FM_PORTS];

	static const char * const mdio_names[] = {
	"T1040_QDS_MDIO0",
	"T1040_QDS_MDIO1",
	"T1040_QDS_MDIO2",
	"T1040_QDS_MDIO3",
	"T1040_QDS_MDIO4",
	"T1040_QDS_MDIO5",
	"T1040_QDS_MDIO6",
	"T1040_QDS_MDIO7",
	};

	struct t1040_qds_mdio {
	u8 muxval;
	struct mii_dev *realbus;
	};

	static const char *t1040_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 = t1040_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 t1040_qds_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 t1040_qds_mdio_read(struct mii_dev *bus, int addr, int devad,
	int regnum)
	{
	struct t1040_qds_mdio *priv = bus->priv;

	t1040_qds_mux_mdio(priv->muxval);

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

	static int t1040_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
	int regnum, u16 value)
	{
	struct t1040_qds_mdio *priv = bus->priv;

	t1040_qds_mux_mdio(priv->muxval);

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

	static int t1040_qds_mdio_reset(struct mii_dev *bus)
	{
	struct t1040_qds_mdio *priv = bus->priv;

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

	static int t1040_qds_mdio_init(char *realbusname, u8 muxval)
	{
	struct t1040_qds_mdio *pmdio;
	struct mii_dev *bus = mdio_alloc();

	if (!bus) {
	printf("Failed to allocate t1040_qds MDIO bus\n");
	return -1;
	}

	pmdio = malloc(sizeof(*pmdio));
	if (!pmdio) {
	printf("Failed to allocate t1040_qds private data\n");
	free(bus);
	return -1;
	}

	bus->read = t1040_qds_mdio_read;
	bus->write = t1040_qds_mdio_write;
	bus->reset = t1040_qds_mdio_reset;
	strcpy(bus->name, t1040_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 lane_to_slot[] array.
	*
	* On the T1040QDS board the mapping is controlled by ?? register.
	*/
	static void initialize_lane_to_slot(void)
	{
	ccsr_gur_t gur = (void )CONFIG_SYS_MPC85xx_GUTS_ADDR;
	int serdes1_prtcl = (in_be32(&gur->rcwsr[4]) &
	FSL_CORENET2_RCWSR4_SRDS1_PRTCL)
	>> FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;

	QIXIS_WRITE(cms[0], 0x07);

	switch (serdes1_prtcl) {
	case 0x60:
	case 0x66:
	case 0x67:
	case 0x69:
	lane_to_slot[1] = 7;
	lane_to_slot[2] = 6;
	lane_to_slot[3] = 5;
	break;
	case 0x86:
	lane_to_slot[1] = 7;
	lane_to_slot[2] = 7;
	lane_to_slot[3] = 7;
	break;
	case 0x87:
	lane_to_slot[1] = 7;
	lane_to_slot[2] = 7;
	lane_to_slot[3] = 7;
	lane_to_slot[7] = 7;
	break;
	case 0x89:
	lane_to_slot[1] = 7;
	lane_to_slot[2] = 7;
	lane_to_slot[3] = 7;
	lane_to_slot[6] = 7;
	lane_to_slot[7] = 7;
	break;
	case 0x8d:
	lane_to_slot[1] = 7;
	lane_to_slot[2] = 7;
	lane_to_slot[3] = 7;
	lane_to_slot[5] = 3;
	lane_to_slot[6] = 3;
	lane_to_slot[7] = 3;
	break;
	case 0x8F:
	case 0x85:
	lane_to_slot[1] = 7;
	lane_to_slot[2] = 6;
	lane_to_slot[3] = 5;
	lane_to_slot[6] = 3;
	lane_to_slot[7] = 3;
	break;
	case 0xA5:
	lane_to_slot[1] = 7;
	lane_to_slot[6] = 3;
	lane_to_slot[7] = 3;
	break;
	case 0xA7:
	lane_to_slot[1] = 7;
	lane_to_slot[2] = 6;
	lane_to_slot[3] = 5;
	lane_to_slot[7] = 7;
	break;
	case 0xAA:
	lane_to_slot[1] = 7;
	lane_to_slot[6] = 7;
	lane_to_slot[7] = 7;
	break;
	case 0x40:
	lane_to_slot[2] = 7;
	lane_to_slot[3] = 7;
	break;
	default:
	printf("qds: Fman: Unsupported SerDes Protocol 0x%02x\n",
	serdes1_prtcl);
	break;
	}
	}

	/*
	* Given the following ...
	*
	* 1) A pointer to an Fman Ethernet node (as identified by the 'compat'
	* compatible string and 'addr' physical address)
	*
	* 2) An Fman port
	*
	* ... update the phy-handle property of the Ethernet node to point to the
	* right PHY. This assumes that we already know the PHY for each port.
	*
	* The offset of the Fman Ethernet node is also passed in for convenience, but
	* it is not used, and we recalculate the offset anyway.
	*
	* Note that what we call "Fman ports" (enum fm_port) is really an Fman MAC.
	* Inside the Fman, "ports" are things that connect to MACs. We only call them
	* ports in U-Boot because on previous Ethernet devices (e.g. Gianfar), MACs
	* and ports are the same thing.
	*
	*/
	void board_ft_fman_fixup_port(void fdt, char compat, phys_addr_t addr,
	enum fm_port port, int offset)
	{
	phy_interface_t intf = fm_info_get_enet_if(port);
	char phy[16];

	/* The RGMII PHY is identified by the MAC connected to it */
	if (intf == PHY_INTERFACE_MODE_RGMII) {
	sprintf(phy, "rgmii_phy%u", port == FM1_DTSEC4 ? 1 : 2);
	fdt_set_phy_handle(fdt, compat, addr, phy);
	}

	/* The SGMII PHY is identified by the MAC connected to it */
	if (intf == PHY_INTERFACE_MODE_SGMII) {
	int lane = serdes_get_first_lane(FSL_SRDS_1, SGMII_FM1_DTSEC1
	+ port);
	u8 slot;
	if (lane < 0)
	return;
	slot = lane_to_slot[lane];
	if (slot) {
	/* Slot housing a SGMII riser card */
	sprintf(phy, "phy_s%x_%02x", slot,
	(fm_info_get_phy_address(port - FM1_DTSEC1)-
	CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR + 1));
	fdt_set_phy_handle(fdt, compat, addr, phy);
	}
	}
	}

	void fdt_fixup_board_enet(void *fdt)
	{
	int i, lane, idx;

	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
	idx = i - FM1_DTSEC1;
	switch (fm_info_get_enet_if(i)) {
	case PHY_INTERFACE_MODE_SGMII:
	lane = serdes_get_first_lane(FSL_SRDS_1,
	SGMII_FM1_DTSEC1 + idx);
	if (lane < 0)
	break;

	switch (mdio_mux[i]) {
	case EMI1_SLOT3:
	fdt_status_okay_by_alias(fdt, "emi1_slot3");
	break;
	case EMI1_SLOT5:
	fdt_status_okay_by_alias(fdt, "emi1_slot5");
	break;
	case EMI1_SLOT6:
	fdt_status_okay_by_alias(fdt, "emi1_slot6");
	break;
	case EMI1_SLOT7:
	fdt_status_okay_by_alias(fdt, "emi1_slot7");
	break;
	}
	break;
	case PHY_INTERFACE_MODE_RGMII:
	if (i == FM1_DTSEC4)
	fdt_status_okay_by_alias(fdt, "emi1_rgmii0");

	if (i == FM1_DTSEC5)
	fdt_status_okay_by_alias(fdt, "emi1_rgmii1");
	break;
	default:
	break;
	}
	}
	}
	#endif /* #ifdef CONFIG_FMAN_ENET */

	static void set_brdcfg9_for_gtx_clk(void)
	{
	u8 brdcfg9;
	brdcfg9 = QIXIS_READ(brdcfg[9]);
	/* Initializing EPHY2 clock to RGMII mode */
	brdcfg9 &= ~(BRDCFG9_EPHY2_MASK);
	brdcfg9 \|= (BRDCFG9_EPHY2_VAL);
	QIXIS_WRITE(brdcfg[9], brdcfg9);
	}

	void t1040_handle_phy_interface_sgmii(int i)
	{
	int lane, idx, slot;
	idx = i - FM1_DTSEC1;
	lane = serdes_get_first_lane(FSL_SRDS_1,
	SGMII_FM1_DTSEC1 + idx);

	if (lane < 0)
	return;
	slot = lane_to_slot[lane];

	switch (slot) {
	case 1:
	mdio_mux[i] = EMI1_SLOT1;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	break;
	case 3:
	if (FM1_DTSEC4 == i)
	fm_info_set_phy_address(i, riser_phy_addr[0]);
	if (FM1_DTSEC5 == i)
	fm_info_set_phy_address(i, riser_phy_addr[1]);

	mdio_mux[i] = EMI1_SLOT3;

	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	break;
	case 4:
	mdio_mux[i] = EMI1_SLOT4;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	break;
	case 5:
	/* Slot housing a SGMII riser card? */
	fm_info_set_phy_address(i, riser_phy_addr[0]);
	mdio_mux[i] = EMI1_SLOT5;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	break;
	case 6:
	/* Slot housing a SGMII riser card? */
	fm_info_set_phy_address(i, riser_phy_addr[0]);
	mdio_mux[i] = EMI1_SLOT6;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	break;
	case 7:
	if (FM1_DTSEC1 == i)
	fm_info_set_phy_address(i, riser_phy_addr[0]);
	if (FM1_DTSEC2 == i)
	fm_info_set_phy_address(i, riser_phy_addr[1]);
	if (FM1_DTSEC3 == i)
	fm_info_set_phy_address(i, riser_phy_addr[2]);
	if (FM1_DTSEC5 == i)
	fm_info_set_phy_address(i, riser_phy_addr[3]);

	mdio_mux[i] = EMI1_SLOT7;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	break;
	default:
	break;
	}
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	}
	void t1040_handle_phy_interface_rgmii(int i)
	{
	fm_info_set_phy_address(i, i == FM1_DTSEC5 ?
	CONFIG_SYS_FM1_DTSEC5_PHY_ADDR :
	CONFIG_SYS_FM1_DTSEC4_PHY_ADDR);
	mdio_mux[i] = (i == FM1_DTSEC5) ? EMI1_RGMII1 :
	EMI1_RGMII0;
	fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
	}

	int board_eth_init(bd_t *bis)
	{
	#ifdef CONFIG_FMAN_ENET
	struct memac_mdio_info memac_mdio_info;
	unsigned int i;
	#ifdef CONFIG_VSC9953
	int lane;
	int phy_addr;
	phy_interface_t phy_int;
	struct mii_dev *bus;
	#endif

	printf("Initializing Fman\n");
	set_brdcfg9_for_gtx_clk();

	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;

	memac_mdio_info.regs =
	(struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
	memac_mdio_info.name = DEFAULT_FM_MDIO_NAME;

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

	/* Register the muxing front-ends to the MDIO buses */
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII0);
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT6);
	t1040_qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT7);

	/*
	* Program on board RGMII PHY addresses. If the SGMII Riser
	* card used, we'll override the PHY address later. For any DTSEC that
	* is RGMII, we'll also override its PHY address later. We assume that
	* DTSEC4 and DTSEC5 are used for RGMII.
	*/
	fm_info_set_phy_address(FM1_DTSEC4, CONFIG_SYS_FM1_DTSEC4_PHY_ADDR);
	fm_info_set_phy_address(FM1_DTSEC5, CONFIG_SYS_FM1_DTSEC5_PHY_ADDR);

	for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
	switch (fm_info_get_enet_if(i)) {
	case PHY_INTERFACE_MODE_QSGMII:
	fm_info_set_mdio(i, NULL);
	break;
	case PHY_INTERFACE_MODE_SGMII:
	t1040_handle_phy_interface_sgmii(i);
	break;

	case PHY_INTERFACE_MODE_RGMII:
	/* Only DTSEC4 and DTSEC5 can be routed to RGMII */
	t1040_handle_phy_interface_rgmii(i);
	break;
	default:
	break;
	}
	}

	#ifdef CONFIG_VSC9953
	for (i = 0; i < VSC9953_MAX_PORTS; i++) {
	lane = -1;
	phy_addr = 0;
	phy_int = PHY_INTERFACE_MODE_NONE;
	switch (i) {
	case 0:
	case 1:
	case 2:
	case 3:
	lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_A);
	/* PHYs connected over QSGMII */
	if (lane >= 0) {
	phy_addr = CONFIG_SYS_FM1_QSGMII21_PHY_ADDR +
	i;
	phy_int = PHY_INTERFACE_MODE_QSGMII;
	break;
	}
	lane = serdes_get_first_lane(FSL_SRDS_1,
	SGMII_SW1_MAC1 + i);

	if (lane < 0)
	break;

	/* PHYs connected over QSGMII */
	if (i != 3 \|\| lane_to_slot[lane] == 7)
	phy_addr = CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR
	+ i;
	else
	phy_addr = CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR;
	phy_int = PHY_INTERFACE_MODE_SGMII;
	break;
	case 4:
	case 5:
	case 6:
	case 7:
	lane = serdes_get_first_lane(FSL_SRDS_1, QSGMII_SW1_B);
	/* PHYs connected over QSGMII */
	if (lane >= 0) {
	phy_addr = CONFIG_SYS_FM1_QSGMII11_PHY_ADDR +
	i - 4;
	phy_int = PHY_INTERFACE_MODE_QSGMII;
	break;
	}
	lane = serdes_get_first_lane(FSL_SRDS_1,
	SGMII_SW1_MAC1 + i);
	/* PHYs connected over SGMII */
	if (lane >= 0) {
	phy_addr = CONFIG_SYS_FM1_DTSEC1_RISER_PHY_ADDR
	+ i - 3;
	phy_int = PHY_INTERFACE_MODE_SGMII;
	}
	break;
	case 8:
	if (serdes_get_first_lane(FSL_SRDS_1,
	SGMII_FM1_DTSEC1) < 0)
	/* FM1@DTSEC1 is connected to SW1@PORT8 */
	vsc9953_port_enable(i);
	break;
	case 9:
	if (serdes_get_first_lane(FSL_SRDS_1,
	SGMII_FM1_DTSEC2) < 0) {
	/* Enable L2 On MAC2 using SCFG */
	struct ccsr_scfg scfg = (struct ccsr_scfg )
	CONFIG_SYS_MPC85xx_SCFG;

	out_be32(&scfg->esgmiiselcr,
	in_be32(&scfg->esgmiiselcr) \|
	(0x80000000));
	vsc9953_port_enable(i);
	}
	break;
	}

	if (lane >= 0) {
	bus = mii_dev_for_muxval(lane_to_slot[lane]);
	vsc9953_port_info_set_mdio(i, bus);
	vsc9953_port_enable(i);
	}
	vsc9953_port_info_set_phy_address(i, phy_addr);
	vsc9953_port_info_set_phy_int(i, phy_int);
	}

	#endif
	cpu_eth_init(bis);
	#endif

	return pci_eth_init(bis);
	}