lx2160aqds : Add support for LX2160AQDS platform

LX2160AQDS is a development board that supports LX2160A
family SoCs. This patch add base support for this board.

Signed-off-by: Wasim Khan <wasim.khan@nxp.com>
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Pankaj Bansal <pankaj.bansal@nxp.com>
Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
[PK: Sqaush patch for "secure boot defconfig" & add maintainer]
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>

1 files changed, 805 insertions, 0 deletions

diff --git a/board/freescale/lx2160a/eth_lx2160aqds.c b/board/freescale/lx2160a/eth_lx2160aqds.c
new file mode 100644
index 0000000000..1e98d0c1f9
--- /dev/null
+++ b/board/freescale/lx2160a/eth_lx2160aqds.c
@@ -0,0 +1,805 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018-2019 NXP
+ *
+ */
+
+#include <common.h>
+#include <hwconfig.h>
+#include <command.h>
+#include <netdev.h>
+#include <malloc.h>
+#include <fsl_mdio.h>
+#include <miiphy.h>
+#include <phy.h>
+#include <fm_eth.h>
+#include <asm/io.h>
+#include <exports.h>
+#include <asm/arch/fsl_serdes.h>
+#include <fsl-mc/fsl_mc.h>
+#include <fsl-mc/ldpaa_wriop.h>
+
+#include "../common/qixis.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define EMI_NONE	0
+#define EMI1		1 /* Mdio Bus 1 */
+#define EMI2		2 /* Mdio Bus 2 */
+
+#if defined(CONFIG_FSL_MC_ENET)
+enum io_slot {
+	IO_SLOT_NONE = 0,
+	IO_SLOT_1,
+	IO_SLOT_2,
+	IO_SLOT_3,
+	IO_SLOT_4,
+	IO_SLOT_5,
+	IO_SLOT_6,
+	IO_SLOT_7,
+	IO_SLOT_8,
+	EMI1_RGMII1,
+	EMI1_RGMII2,
+	IO_SLOT_MAX
+};
+
+struct lx2160a_qds_mdio {
+	enum io_slot ioslot : 4;
+	u8 realbusnum : 4;
+	struct mii_dev *realbus;
+};
+
+/* structure explaining the phy configuration on 8 lanes of a serdes*/
+struct serdes_phy_config {
+	u8 serdes; /* serdes protocol */
+	struct phy_config {
+		u8 dpmacid;
+		/* -1 terminated array */
+		int phy_address[WRIOP_MAX_PHY_NUM + 1];
+		u8 mdio_bus;
+		enum io_slot ioslot;
+	} phy_config[SRDS_MAX_LANES];
+};
+
+/* Table defining the phy configuration on 8 lanes of a serdes.
+ * Various assumptions have been made while defining this table.
+ * e.g. for serdes1 protocol 19 it is being assumed that X-M11-USXGMII
+ * card is being used for dpmac 3-4. (X-M12-XFI could also have been used)
+ * And also that this card is connected to IO Slot 1 (could have been connected
+ * to any of the 8 IO slots (IO slot 1 - IO slot 8)).
+ * similarly, it is also being assumed that MDIO 1 is selected on X-M7-40G card
+ * used in serdes1 protocol 19 (could have selected MDIO 2)
+ * To override these settings "dpmac" environment variable can be used after
+ * defining "dpmac_override" in hwconfig environment variable.
+ * This table has limited serdes protocol entries. It can be expanded as per
+ * requirement.
+ */
+static const struct serdes_phy_config serdes1_phy_config[] = {
+	{3, {{WRIOP1_DPMAC3, {AQ_PHY_ADDR1, -1},
+	      EMI1, IO_SLOT_1},
+	    {WRIOP1_DPMAC4, {AQ_PHY_ADDR2, -1},
+	     EMI1, IO_SLOT_1},
+	    {WRIOP1_DPMAC5, {AQ_PHY_ADDR3, -1},
+	     EMI1, IO_SLOT_1},
+	    {WRIOP1_DPMAC6, {AQ_PHY_ADDR4, -1},
+	     EMI1, IO_SLOT_1} } },
+	{7, {{WRIOP1_DPMAC3, {AQ_PHY_ADDR1, -1},
+	      EMI1, IO_SLOT_1},
+	    {WRIOP1_DPMAC4, {AQ_PHY_ADDR2, -1},
+	     EMI1, IO_SLOT_1},
+	    {WRIOP1_DPMAC5, {AQ_PHY_ADDR3, -1},
+	     EMI1, IO_SLOT_1},
+	    {WRIOP1_DPMAC6, {AQ_PHY_ADDR4, -1},
+	     EMI1, IO_SLOT_1},
+	    {WRIOP1_DPMAC7, {SGMII_CARD_PORT1_PHY_ADDR, -1},
+	     EMI1, IO_SLOT_2},
+	    {WRIOP1_DPMAC8, {SGMII_CARD_PORT2_PHY_ADDR, -1},
+	     EMI1, IO_SLOT_2},
+	    {WRIOP1_DPMAC9, {SGMII_CARD_PORT3_PHY_ADDR, -1},
+	     EMI1, IO_SLOT_2},
+	    {WRIOP1_DPMAC10, {SGMII_CARD_PORT4_PHY_ADDR, -1},
+	     EMI1, IO_SLOT_2} } },
+	{8, {} },
+	{13, {{WRIOP1_DPMAC1, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	       EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC2, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_2} } },
+	{15, {{WRIOP1_DPMAC1, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	       EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC2, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_1} } },
+	{17, {{WRIOP1_DPMAC3, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	       EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC4, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC5, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC6, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_1} } },
+	{19, {{WRIOP1_DPMAC2, {CORTINA_PHY_ADDR1, -1},
+	       EMI1, IO_SLOT_2},
+	     {WRIOP1_DPMAC3, {AQ_PHY_ADDR1, -1},
+	      EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC4, {AQ_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC5, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_6},
+	     {WRIOP1_DPMAC6, {INPHI_PHY_ADDR1, INPHI_PHY_ADDR2, -1},
+	      EMI1, IO_SLOT_6} } },
+	{20, {{WRIOP1_DPMAC1, {CORTINA_PHY_ADDR1, -1},
+	       EMI1, IO_SLOT_1},
+	     {WRIOP1_DPMAC2, {CORTINA_PHY_ADDR1, -1},
+	      EMI1, IO_SLOT_2} } }
+};
+
+static const struct serdes_phy_config serdes2_phy_config[] = {
+	{2, {} },
+	{3, {} },
+	{5, {} },
+	{11, {{WRIOP1_DPMAC12, {SGMII_CARD_PORT2_PHY_ADDR, -1},
+	       EMI1, IO_SLOT_7},
+	     {WRIOP1_DPMAC17, {SGMII_CARD_PORT3_PHY_ADDR, -1},
+	      EMI1, IO_SLOT_7},
+	     {WRIOP1_DPMAC18, {SGMII_CARD_PORT4_PHY_ADDR, -1},
+	      EMI1, IO_SLOT_7},
+	     {WRIOP1_DPMAC16, {SGMII_CARD_PORT2_PHY_ADDR, -1},
+	      EMI1, IO_SLOT_8},
+	     {WRIOP1_DPMAC13, {SGMII_CARD_PORT3_PHY_ADDR, -1},
+	      EMI1, IO_SLOT_8},
+	     {WRIOP1_DPMAC14, {SGMII_CARD_PORT4_PHY_ADDR, -1},
+	      EMI1, IO_SLOT_8} } },
+};
+
+static const struct serdes_phy_config serdes3_phy_config[] = {
+	{2, {} },
+	{3, {} }
+};
+
+static inline
+const struct phy_config *get_phy_config(u8 serdes,
+					const struct serdes_phy_config *table,
+					u8 table_size)
+{
+	int i;
+
+	for (i = 0; i < table_size; i++) {
+		if (table[i].serdes == serdes)
+			return table[i].phy_config;
+	}
+
+	return NULL;
+}
+
+/* BRDCFG4 controls EMI routing for the board.
+ * Bits    Function
+ * 7-6     EMI Interface #1 Primary Routing (CFG_MUX1_EMI1) (1.8V):
+ * EMI1    00= On-board PHY #1
+ *         01= On-board PHY #2
+ *         10= (reserved)
+ *         11= Slots 1..8 multiplexer and translator.
+ * 5-3     EMI Interface #1 Secondary Routing (CFG_MUX2_EMI1) (2.5V):
+ * EMI1X   000= Slot #1
+ *         001= Slot #2
+ *         010= Slot #3
+ *         011= Slot #4
+ *         100= Slot #5
+ *         101= Slot #6
+ *         110= Slot #7
+ *         111= Slot #8
+ * 2-0     EMI Interface #2 Routing (CFG_MUX_EMI2):
+ * EMI2    000= Slot #1 (secondary EMI)
+ *         001= Slot #2 (secondary EMI)
+ *         010= Slot #3 (secondary EMI)
+ *         011= Slot #4 (secondary EMI)
+ *         100= Slot #5 (secondary EMI)
+ *         101= Slot #6 (secondary EMI)
+ *         110= Slot #7 (secondary EMI)
+ *         111= Slot #8 (secondary EMI)
+ */
+static int lx2160a_qds_get_mdio_mux_val(u8 realbusnum, enum io_slot ioslot)
+{
+	switch (realbusnum) {
+	case EMI1:
+		switch (ioslot) {
+		case EMI1_RGMII1:
+			return 0;
+		case EMI1_RGMII2:
+			return 0x40;
+		default:
+			return (((ioslot - 1) << BRDCFG4_EMI1SEL_SHIFT) | 0xC0);
+		}
+		break;
+	case EMI2:
+		return ((ioslot - 1) << BRDCFG4_EMI2SEL_SHIFT);
+	default:
+		return -1;
+	}
+}
+
+static void lx2160a_qds_mux_mdio(struct lx2160a_qds_mdio *priv)
+{
+	u8 brdcfg4, mux_val, reg;
+
+	brdcfg4 = QIXIS_READ(brdcfg[4]);
+	reg = brdcfg4;
+	mux_val = lx2160a_qds_get_mdio_mux_val(priv->realbusnum, priv->ioslot);
+
+	switch (priv->realbusnum) {
+	case EMI1:
+		brdcfg4 &= ~BRDCFG4_EMI1SEL_MASK;
+		brdcfg4 |= mux_val;
+		break;
+	case EMI2:
+		brdcfg4 &= ~BRDCFG4_EMI2SEL_MASK;
+		brdcfg4 |= mux_val;
+		break;
+	}
+
+	if (brdcfg4 ^ reg)
+		QIXIS_WRITE(brdcfg[4], brdcfg4);
+}
+
+static int lx2160a_qds_mdio_read(struct mii_dev *bus, int addr,
+				 int devad, int regnum)
+{
+	struct lx2160a_qds_mdio *priv = bus->priv;
+
+	lx2160a_qds_mux_mdio(priv);
+
+	return priv->realbus->read(priv->realbus, addr, devad, regnum);
+}
+
+static int lx2160a_qds_mdio_write(struct mii_dev *bus, int addr, int devad,
+				  int regnum, u16 value)
+{
+	struct lx2160a_qds_mdio *priv = bus->priv;
+
+	lx2160a_qds_mux_mdio(priv);
+
+	return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
+}
+
+static int lx2160a_qds_mdio_reset(struct mii_dev *bus)
+{
+	struct lx2160a_qds_mdio *priv = bus->priv;
+
+	return priv->realbus->reset(priv->realbus);
+}
+
+static struct mii_dev *lx2160a_qds_mdio_init(u8 realbusnum, enum io_slot ioslot)
+{
+	struct lx2160a_qds_mdio *pmdio;
+	struct mii_dev *bus;
+	/*should be within MDIO_NAME_LEN*/
+	char dummy_mdio_name[] = "LX2160A_QDS_MDIO1_IOSLOT1";
+
+	if (realbusnum == EMI2) {
+		if (ioslot < IO_SLOT_1 || ioslot > IO_SLOT_8) {
+			printf("invalid ioslot %d\n", ioslot);
+			return NULL;
+		}
+	} else if (realbusnum == EMI1) {
+		if (ioslot < IO_SLOT_1 || ioslot > EMI1_RGMII2) {
+			printf("invalid ioslot %d\n", ioslot);
+			return NULL;
+		}
+	} else {
+		printf("not supported real mdio bus %d\n", realbusnum);
+		return NULL;
+	}
+
+	if (ioslot == EMI1_RGMII1)
+		strcpy(dummy_mdio_name, "LX2160A_QDS_MDIO1_RGMII1");
+	else if (ioslot == EMI1_RGMII2)
+		strcpy(dummy_mdio_name, "LX2160A_QDS_MDIO1_RGMII2");
+	else
+		sprintf(dummy_mdio_name, "LX2160A_QDS_MDIO%d_IOSLOT%d",
+			realbusnum, ioslot);
+	bus = miiphy_get_dev_by_name(dummy_mdio_name);
+
+	if (bus)
+		return bus;
+
+	bus = mdio_alloc();
+	if (!bus) {
+		printf("Failed to allocate %s bus\n", dummy_mdio_name);
+		return NULL;
+	}
+
+	pmdio = malloc(sizeof(*pmdio));
+	if (!pmdio) {
+		printf("Failed to allocate %s private data\n", dummy_mdio_name);
+		free(bus);
+		return NULL;
+	}
+
+	switch (realbusnum) {
+	case EMI1:
+		pmdio->realbus =
+		  miiphy_get_dev_by_name(DEFAULT_WRIOP_MDIO1_NAME);
+		break;
+	case EMI2:
+		pmdio->realbus =
+		  miiphy_get_dev_by_name(DEFAULT_WRIOP_MDIO2_NAME);
+		break;
+	}
+
+	if (!pmdio->realbus) {
+		printf("No real mdio bus num %d found\n", realbusnum);
+		free(bus);
+		free(pmdio);
+		return NULL;
+	}
+
+	pmdio->realbusnum = realbusnum;
+	pmdio->ioslot = ioslot;
+	bus->read = lx2160a_qds_mdio_read;
+	bus->write = lx2160a_qds_mdio_write;
+	bus->reset = lx2160a_qds_mdio_reset;
+	strcpy(bus->name, dummy_mdio_name);
+	bus->priv = pmdio;
+
+	if (!mdio_register(bus))
+		return bus;
+
+	printf("No bus with name %s\n", dummy_mdio_name);
+	free(bus);
+	free(pmdio);
+	return NULL;
+}
+
+static inline void do_phy_config(const struct phy_config *phy_config)
+{
+	struct mii_dev *bus;
+	int i, phy_num, phy_address;
+
+	for (i = 0; i < SRDS_MAX_LANES; i++) {
+		if (!phy_config[i].dpmacid)
+			continue;
+
+		for (phy_num = 0;
+		     phy_num < ARRAY_SIZE(phy_config[i].phy_address);
+		     phy_num++) {
+			phy_address = phy_config[i].phy_address[phy_num];
+			if (phy_address == -1)
+				break;
+			wriop_set_phy_address(phy_config[i].dpmacid,
+					      phy_num, phy_address);
+		}
+		/*Register the muxing front-ends to the MDIO buses*/
+		bus = lx2160a_qds_mdio_init(phy_config[i].mdio_bus,
+					    phy_config[i].ioslot);
+		if (!bus)
+			printf("could not get bus for mdio %d ioslot %d\n",
+			       phy_config[i].mdio_bus,
+			       phy_config[i].ioslot);
+		else
+			wriop_set_mdio(phy_config[i].dpmacid, bus);
+	}
+}
+
+static inline void do_dpmac_config(int dpmac, const char *arg_dpmacid,
+				   char *env_dpmac)
+{
+	const char *ret;
+	size_t len;
+	u8 realbusnum, ioslot;
+	struct mii_dev *bus;
+	int phy_num;
+	char *phystr = "phy00";
+
+	/*search phy in dpmac arg*/
+	for (phy_num = 0; phy_num < WRIOP_MAX_PHY_NUM; phy_num++) {
+		sprintf(phystr, "phy%d", phy_num + 1);
+		ret = hwconfig_subarg_f(arg_dpmacid, phystr, &len, env_dpmac);
+		if (!ret) {
+			/*look for phy instead of phy1*/
+			if (!phy_num)
+				ret = hwconfig_subarg_f(arg_dpmacid, "phy",
+							&len, env_dpmac);
+			if (!ret)
+				continue;
+		}
+
+		if (len != 4 || strncmp(ret, "0x", 2))
+			printf("invalid phy format in %s variable.\n"
+			       "specify phy%d for %s in hex format e.g. 0x12\n",
+			       env_dpmac, phy_num + 1, arg_dpmacid);
+		else
+			wriop_set_phy_address(dpmac, phy_num,
+					      simple_strtoul(ret, NULL, 16));
+	}
+
+	/*search mdio in dpmac arg*/
+	ret = hwconfig_subarg_f(arg_dpmacid, "mdio", &len, env_dpmac);
+	if (ret)
+		realbusnum = *ret - '0';
+	else
+		realbusnum = EMI_NONE;
+
+	if (realbusnum) {
+		/*search io in dpmac arg*/
+		ret = hwconfig_subarg_f(arg_dpmacid, "io", &len, env_dpmac);
+		if (ret)
+			ioslot = *ret - '0';
+		else
+			ioslot = IO_SLOT_NONE;
+		/*Register the muxing front-ends to the MDIO buses*/
+		bus = lx2160a_qds_mdio_init(realbusnum, ioslot);
+		if (!bus)
+			printf("could not get bus for mdio %d ioslot %d\n",
+			       realbusnum, ioslot);
+		else
+			wriop_set_mdio(dpmac, bus);
+	}
+}
+
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_FSL_MC_ENET)
+	struct memac_mdio_info mdio_info;
+	struct memac_mdio_controller *regs;
+	int i;
+	const char *ret;
+	char *env_dpmac;
+	char dpmacid[] = "dpmac00", srds[] = "00_00_00";
+	size_t len;
+	struct mii_dev *bus;
+	const struct phy_config *phy_config;
+	struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+	u32 srds_s1, srds_s2, srds_s3;
+
+	srds_s1 = in_le32(&gur->rcwsr[28]) &
+		  FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK;
+	srds_s1 >>= FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
+
+	srds_s2 = in_le32(&gur->rcwsr[28]) &
+		  FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK;
+	srds_s2 >>= FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
+
+	srds_s3 = in_le32(&gur->rcwsr[28]) &
+		  FSL_CHASSIS3_RCWSR28_SRDS3_PRTCL_MASK;
+	srds_s3 >>= FSL_CHASSIS3_RCWSR28_SRDS3_PRTCL_SHIFT;
+
+	sprintf(srds, "%d_%d_%d", srds_s1, srds_s2, srds_s3);
+
+	regs = (struct memac_mdio_controller *)CONFIG_SYS_FSL_WRIOP1_MDIO1;
+	mdio_info.regs = regs;
+	mdio_info.name = DEFAULT_WRIOP_MDIO1_NAME;
+
+	/*Register the EMI 1*/
+	fm_memac_mdio_init(bis, &mdio_info);
+
+	regs = (struct memac_mdio_controller *)CONFIG_SYS_FSL_WRIOP1_MDIO2;
+	mdio_info.regs = regs;
+	mdio_info.name = DEFAULT_WRIOP_MDIO2_NAME;
+
+	/*Register the EMI 2*/
+	fm_memac_mdio_init(bis, &mdio_info);
+
+	/* "dpmac" environment variable can be used after
+	 * defining "dpmac_override" in hwconfig environment variable.
+	 */
+	if (hwconfig("dpmac_override")) {
+		env_dpmac = env_get("dpmac");
+		if (env_dpmac) {
+			ret = hwconfig_arg_f("srds", &len, env_dpmac);
+			if (ret) {
+				if (strncmp(ret, srds, strlen(srds))) {
+					printf("SERDES configuration changed.\n"
+					       "previous: %.*s, current: %s.\n"
+					       "update dpmac variable.\n",
+					       (int)len, ret, srds);
+				}
+			} else {
+				printf("SERDES configuration not found.\n"
+				       "Please add srds:%s in dpmac variable\n",
+				       srds);
+			}
+
+			for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
+				/* Look for dpmac1 to dpmac24(current max) arg
+				 * in dpmac environment variable
+				 */
+				sprintf(dpmacid, "dpmac%d", i);
+				ret = hwconfig_arg_f(dpmacid, &len, env_dpmac);
+				if (ret)
+					do_dpmac_config(i, dpmacid, env_dpmac);
+			}
+		} else {
+			printf("Warning: environment dpmac not found.\n"
+			       "DPAA network interfaces may not work\n");
+		}
+	} else {
+		/*Look for phy config for serdes1 in phy config table*/
+		phy_config = get_phy_config(srds_s1, serdes1_phy_config,
+					    ARRAY_SIZE(serdes1_phy_config));
+		if (!phy_config) {
+			printf("%s WRIOP: Unsupported SerDes1 Protocol %d\n",
+			       __func__, srds_s1);
+		} else {
+			do_phy_config(phy_config);
+		}
+		phy_config = get_phy_config(srds_s2, serdes2_phy_config,
+					    ARRAY_SIZE(serdes2_phy_config));
+		if (!phy_config) {
+			printf("%s WRIOP: Unsupported SerDes2 Protocol %d\n",
+			       __func__, srds_s2);
+		} else {
+			do_phy_config(phy_config);
+		}
+		phy_config = get_phy_config(srds_s3, serdes3_phy_config,
+					    ARRAY_SIZE(serdes3_phy_config));
+		if (!phy_config) {
+			printf("%s WRIOP: Unsupported SerDes3 Protocol %d\n",
+			       __func__, srds_s3);
+		} else {
+			do_phy_config(phy_config);
+		}
+	}
+
+	if (wriop_get_enet_if(WRIOP1_DPMAC17) == PHY_INTERFACE_MODE_RGMII_ID) {
+		wriop_set_phy_address(WRIOP1_DPMAC17, 0, RGMII_PHY_ADDR1);
+		bus = lx2160a_qds_mdio_init(EMI1, EMI1_RGMII1);
+		if (!bus)
+			printf("could not get bus for RGMII1\n");
+		else
+			wriop_set_mdio(WRIOP1_DPMAC17, bus);
+	}
+
+	if (wriop_get_enet_if(WRIOP1_DPMAC18) == PHY_INTERFACE_MODE_RGMII_ID) {
+		wriop_set_phy_address(WRIOP1_DPMAC18, 0, RGMII_PHY_ADDR2);
+		bus = lx2160a_qds_mdio_init(EMI1, EMI1_RGMII2);
+		if (!bus)
+			printf("could not get bus for RGMII2\n");
+		else
+			wriop_set_mdio(WRIOP1_DPMAC18, bus);
+	}
+
+	cpu_eth_init(bis);
+#endif /* CONFIG_FMAN_ENET */
+
+#ifdef CONFIG_PHY_AQUANTIA
+	/*
+	 * Export functions to be used by AQ firmware
+	 * upload application
+	 */
+	gd->jt->strcpy = strcpy;
+	gd->jt->mdelay = mdelay;
+	gd->jt->mdio_get_current_dev = mdio_get_current_dev;
+	gd->jt->phy_find_by_mask = phy_find_by_mask;
+	gd->jt->mdio_phydev_for_ethname = mdio_phydev_for_ethname;
+	gd->jt->miiphy_set_current_dev = miiphy_set_current_dev;
+#endif
+	return pci_eth_init(bis);
+}
+
+#if defined(CONFIG_RESET_PHY_R)
+void reset_phy(void)
+{
+#if defined(CONFIG_FSL_MC_ENET)
+	mc_env_boot();
+#endif
+}
+#endif /* CONFIG_RESET_PHY_R */
+
+#if defined(CONFIG_FSL_MC_ENET)
+int fdt_fixup_dpmac_phy_handle(void *fdt, int dpmac_id, int node_phandle)
+{
+	int offset;
+	int ret;
+	char dpmac_str[] = "dpmacs@00";
+	const char *phy_string;
+
+	offset = fdt_path_offset(fdt, "/soc/fsl-mc/dpmacs");
+
+	if (offset < 0)
+		offset = fdt_path_offset(fdt, "/fsl-mc/dpmacs");
+
+	if (offset < 0) {
+		printf("dpmacs node not found in device tree\n");
+		return offset;
+	}
+
+	sprintf(dpmac_str, "dpmac@%x", dpmac_id);
+	debug("dpmac_str = %s\n", dpmac_str);
+
+	offset = fdt_subnode_offset(fdt, offset, dpmac_str);
+	if (offset < 0) {
+		printf("%s node not found in device tree\n", dpmac_str);
+		return offset;
+	}
+
+	ret = fdt_appendprop_cell(fdt, offset, "phy-handle", node_phandle);
+	if (ret)
+		printf("%d@%s %d\n", __LINE__, __func__, ret);
+
+	phy_string = phy_string_for_interface(wriop_get_enet_if(dpmac_id));
+	ret = fdt_setprop_string(fdt, offset, "phy-connection-type",
+				 phy_string);
+	if (ret)
+		printf("%d@%s %d\n", __LINE__, __func__, ret);
+
+	return ret;
+}
+
+int fdt_get_ioslot_offset(void *fdt, struct mii_dev *mii_dev, int fpga_offset)
+{
+	char mdio_ioslot_str[] = "mdio@00";
+	char mdio_mux_str[] = "mdio-mux-0";
+	struct lx2160a_qds_mdio *priv;
+	int offset, mux_val;
+
+	/*Test if the MDIO bus is real mdio bus or muxing front end ?*/
+	if (strncmp(mii_dev->name, "LX2160A_QDS_MDIO",
+		    strlen("LX2160A_QDS_MDIO")))
+		return -1;
+
+	/*Get the real MDIO bus num and ioslot info from bus's priv data*/
+	priv = mii_dev->priv;
+
+	debug("real_bus_num = %d, ioslot = %d\n",
+	      priv->realbusnum, priv->ioslot);
+
+	sprintf(mdio_mux_str, "mdio-mux-%1d", priv->realbusnum);
+	offset = fdt_subnode_offset(fdt, fpga_offset, mdio_mux_str);
+	if (offset < 0) {
+		printf("%s node not found under node %s in device tree\n",
+		       mdio_mux_str, fdt_get_name(fdt, fpga_offset, NULL));
+		return offset;
+	}
+
+	mux_val = lx2160a_qds_get_mdio_mux_val(priv->realbusnum, priv->ioslot);
+	sprintf(mdio_ioslot_str, "mdio@%x", (u8)mux_val);
+
+	offset = fdt_subnode_offset(fdt, offset, mdio_ioslot_str);
+	if (offset < 0) {
+		printf("%s node not found in device tree\n", mdio_ioslot_str);
+		return offset;
+	}
+
+	return offset;
+}
+
+int fdt_create_phy_node(void *fdt, int offset, u8 phyaddr, int *subnodeoffset,
+			struct phy_device *phy_dev, int phandle)
+{
+	char phy_node_name[] = "ethernet-phy@00";
+	char phy_id_compatible_str[] = "ethernet-phy-id0000.0000";
+	int ret;
+
+	sprintf(phy_node_name, "ethernet-phy@%x", phyaddr);
+	debug("phy_node_name = %s\n", phy_node_name);
+
+	*subnodeoffset = fdt_add_subnode(fdt, offset, phy_node_name);
+	if (*subnodeoffset <= 0) {
+		printf("Could not add subnode %s\n", phy_node_name);
+		return *subnodeoffset;
+	}
+
+	sprintf(phy_id_compatible_str, "ethernet-phy-id%04x.%04x",
+		phy_dev->phy_id >> 16, phy_dev->phy_id & 0xFFFF);
+	debug("phy_id_compatible_str %s\n", phy_id_compatible_str);
+
+	ret = fdt_setprop_string(fdt, *subnodeoffset, "compatible",
+				 phy_id_compatible_str);
+	if (ret) {
+		printf("%d@%s %d\n", __LINE__, __func__, ret);
+		goto out;
+	}
+
+	if (phy_dev->is_c45) {
+		ret = fdt_appendprop_string(fdt, *subnodeoffset, "compatible",
+					    "ethernet-phy-ieee802.3-c45");
+		if (ret) {
+			printf("%d@%s %d\n", __LINE__, __func__, ret);
+			goto out;
+		}
+	} else {
+		ret = fdt_appendprop_string(fdt, *subnodeoffset, "compatible",
+					    "ethernet-phy-ieee802.3-c22");
+		if (ret) {
+			printf("%d@%s %d\n", __LINE__, __func__, ret);
+			goto out;
+		}
+	}
+
+	ret = fdt_setprop_cell(fdt, *subnodeoffset, "reg", phyaddr);
+	if (ret) {
+		printf("%d@%s %d\n", __LINE__, __func__, ret);
+		goto out;
+	}
+
+	ret = fdt_set_phandle(fdt, *subnodeoffset, phandle);
+	if (ret) {
+		printf("%d@%s %d\n", __LINE__, __func__, ret);
+		goto out;
+	}
+
+out:
+	if (ret)
+		fdt_del_node(fdt, *subnodeoffset);
+
+	return ret;
+}
+
+int fdt_fixup_board_phy(void *fdt)
+{
+	int fpga_offset, offset, subnodeoffset;
+	struct mii_dev *mii_dev;
+	struct list_head *mii_devs, *entry;
+	int ret, dpmac_id, phandle, i;
+	struct phy_device *phy_dev;
+	char ethname[ETH_NAME_LEN];
+	phy_interface_t	phy_iface;
+
+	ret = 0;
+	/* we know FPGA is connected to i2c0, therefore search path directly,
+	 * instead of compatible property, as it saves time
+	 */
+	fpga_offset = fdt_path_offset(fdt, "/soc/i2c@2000000/fpga");
+
+	if (fpga_offset < 0)
+		fpga_offset = fdt_path_offset(fdt, "/i2c@2000000/fpga");
+
+	if (fpga_offset < 0) {
+		printf("i2c@2000000/fpga node not found in device tree\n");
+		return fpga_offset;
+	}
+
+	phandle = fdt_alloc_phandle(fdt);
+	mii_devs = mdio_get_list_head();
+
+	list_for_each(entry, mii_devs) {
+		mii_dev = list_entry(entry, struct mii_dev, link);
+		debug("mii_dev name : %s\n", mii_dev->name);
+		offset = fdt_get_ioslot_offset(fdt, mii_dev, fpga_offset);
+		if (offset < 0)
+			continue;
+
+		// Look for phy devices attached to MDIO bus muxing front end
+		// and create their entries with compatible being the device id
+		for (i = 0; i < PHY_MAX_ADDR; i++) {
+			phy_dev = mii_dev->phymap[i];
+			if (!phy_dev)
+				continue;
+
+			// TODO: use sscanf instead of loop
+			dpmac_id = WRIOP1_DPMAC1;
+			while (dpmac_id < NUM_WRIOP_PORTS) {
+				phy_iface = wriop_get_enet_if(dpmac_id);
+				snprintf(ethname, ETH_NAME_LEN, "DPMAC%d@%s",
+					 dpmac_id,
+					 phy_string_for_interface(phy_iface));
+				if (strcmp(ethname, phy_dev->dev->name) == 0)
+					break;
+				dpmac_id++;
+			}
+			if (dpmac_id == NUM_WRIOP_PORTS)
+				continue;
+
+			ret = fdt_create_phy_node(fdt, offset, i,
+						  &subnodeoffset,
+						  phy_dev, phandle);
+			if (ret)
+				break;
+
+			ret = fdt_fixup_dpmac_phy_handle(fdt,
+							 dpmac_id, phandle);
+			if (ret) {
+				fdt_del_node(fdt, subnodeoffset);
+				break;
+			}
+			phandle++;
+		}
+
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+#endif // CONFIG_FSL_MC_ENET
+