drivers/net/fm/init.c - filogic/uboot - Gitiles

 /*
  * Copyright 2011 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
 #include <asm/io.h>
 #include <asm/fsl_serdes.h>

 #include "fm.h"

 struct fm_eth_info fm_info[] = {
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
 	FM_DTSEC_INFO_INITIALIZER(1, 1),
 #endif
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
 	FM_DTSEC_INFO_INITIALIZER(1, 2),
 #endif
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
 	FM_DTSEC_INFO_INITIALIZER(1, 3),
 #endif
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
 	FM_DTSEC_INFO_INITIALIZER(1, 4),
 #endif
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
 	FM_DTSEC_INFO_INITIALIZER(1, 5),
 #endif
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
 	FM_DTSEC_INFO_INITIALIZER(1, 6),
 #endif
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
 	FM_DTSEC_INFO_INITIALIZER(1, 9),
 #endif
 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
 	FM_DTSEC_INFO_INITIALIZER(1, 10),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
 	FM_DTSEC_INFO_INITIALIZER(2, 1),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
 	FM_DTSEC_INFO_INITIALIZER(2, 2),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
 	FM_DTSEC_INFO_INITIALIZER(2, 3),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
 	FM_DTSEC_INFO_INITIALIZER(2, 4),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
 	FM_DTSEC_INFO_INITIALIZER(2, 5),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
 	FM_DTSEC_INFO_INITIALIZER(2, 6),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
 	FM_DTSEC_INFO_INITIALIZER(2, 9),
 #endif
 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
 	FM_DTSEC_INFO_INITIALIZER(2, 10),
 #endif
 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
 	FM_TGEC_INFO_INITIALIZER(1, 1),
 #endif
 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2)
 	FM_TGEC_INFO_INITIALIZER(1, 2),
 #endif
 #if (CONFIG_SYS_NUM_FM1_10GEC >= 3)
 	FM_TGEC_INFO_INITIALIZER2(1, 3),
 #endif
 #if (CONFIG_SYS_NUM_FM1_10GEC >= 4)
 	FM_TGEC_INFO_INITIALIZER2(1, 4),
 #endif
 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
 	FM_TGEC_INFO_INITIALIZER(2, 1),
 #endif
 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2)
 	FM_TGEC_INFO_INITIALIZER(2, 2),
 #endif
 };

 int fm_standard_init(bd_t *bis)
 {
 	int i;
 	struct ccsr_fman *reg;

 	reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
 	if (fm_init_common(0, reg))
 		return 0;

 	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 		if ((fm_info[i].enabled) && (fm_info[i].index == 1))
 			fm_eth_initialize(reg, &fm_info[i]);
 	}

 #if (CONFIG_SYS_NUM_FMAN == 2)
 	reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
 	if (fm_init_common(1, reg))
 		return 0;

 	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 		if ((fm_info[i].enabled) && (fm_info[i].index == 2))
 			fm_eth_initialize(reg, &fm_info[i]);
 	}
 #endif

 	return 1;
 }

 /* simple linear search to map from port to array index */
 static int fm_port_to_index(enum fm_port port)
 {
 	int i;

 	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 		if (fm_info[i].port == port)
 			return i;
 	}

 	return -1;
 }

 /*
  * Determine if an interface is actually active based on HW config
  * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
  * the interface is not active based on HW cfg of the SoC
  */
 void fman_enet_init(void)
 {
 	int i;

 	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 		phy_interface_t enet_if;

 		enet_if = fman_port_enet_if(fm_info[i].port);
 		if (enet_if != PHY_INTERFACE_MODE_NONE) {
 			fm_info[i].enabled = 1;
 			fm_info[i].enet_if = enet_if;
 		} else {
 			fm_info[i].enabled = 0;
 		}
 	}

 	return ;
 }

 void fm_disable_port(enum fm_port port)
 {
 	int i = fm_port_to_index(port);

 	if (i == -1)
 		return;

 	fm_info[i].enabled = 0;
 	fman_disable_port(port);
 }

 void fm_enable_port(enum fm_port port)
 {
 	int i = fm_port_to_index(port);

 	if (i == -1)
 		return;

 	fm_info[i].enabled = 1;
 	fman_enable_port(port);
 }

 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
 {
 	int i = fm_port_to_index(port);

 	if (i == -1)
 		return;

 	fm_info[i].bus = bus;
 }

 void fm_info_set_phy_address(enum fm_port port, int address)
 {
 	int i = fm_port_to_index(port);

 	if (i == -1)
 		return;

 	fm_info[i].phy_addr = address;
 }

 /*
  * Returns the PHY address for a given Fman port
  *
  * The port must be set via a prior call to fm_info_set_phy_address().
  * A negative error code is returned if the port is invalid.
  */
 int fm_info_get_phy_address(enum fm_port port)
 {
 	int i = fm_port_to_index(port);

 	if (i == -1)
 		return -1;

 	return fm_info[i].phy_addr;
 }

 /*
  * Returns the type of the data interface between the given MAC and its PHY.
  * This is typically determined by the RCW.
  */
 phy_interface_t fm_info_get_enet_if(enum fm_port port)
 {
 	int i = fm_port_to_index(port);

 	if (i == -1)
 		return PHY_INTERFACE_MODE_NONE;

 	if (fm_info[i].enabled)
 		return fm_info[i].enet_if;

 	return PHY_INTERFACE_MODE_NONE;
 }

 static void
 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
 				enum fm_port port, int offset)
 {
 	return ;
 }

 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa,
 				enum fm_port port, int offset)
 	 __attribute__((weak, alias("__def_board_ft_fman_fixup_port")));

 static void ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop)
 {
 	int off;
 	uint32_t ph;
 	phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
 	u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
 				CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;

 	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

 	if (info->enabled) {
 		fdt_fixup_phy_connection(blob, off, info->enet_if);
 		board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
 		return ;
 	}

 #ifdef CONFIG_SYS_FMAN_V3
 	/*
 	 * Physically FM1_DTSEC9 and FM1_10GEC1 use the same dual-role MAC, when
 	 * FM1_10GEC1 is enabled and  FM1_DTSEC9 is disabled, ensure that the
 	 * dual-role MAC is not disabled, ditto for other dual-role MACs.
 	 */
 	if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1)))  ||
 	    ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) ||
 	    ((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC3)))  ||
 	    ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC4)))  ||
 	    ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9)))  ||
 	    ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) ||
 	    ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC1)))  ||
 	    ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC2)))
 #if (CONFIG_SYS_NUM_FMAN == 2)
 										||
 	    ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1)))	||
 	    ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2)))	||
 	    ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9)))	||
 	    ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
 #endif
 	)
 		return;
 #endif
 	/* board code might have caused offset to change */
 	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

 	/* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
 	if (paddr != dtsec1_addr)
 		fdt_status_disabled(blob, off); /* disable the MAC node */

 	/* disable the fsl,dpa-ethernet node that points to the MAC */
 	ph = fdt_get_phandle(blob, off);
 	do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
 		"status", "disabled", strlen("disabled") + 1, 1);
 }

 void fdt_fixup_fman_ethernet(void *blob)
 {
 	int i;

 #ifdef CONFIG_SYS_FMAN_V3
 	for (i = 0; i < ARRAY_SIZE(fm_info); i++)
 		ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
 #else
 	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
 		if (fm_info[i].type == FM_ETH_1G_E)
 			ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
 		else
 			ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
 	}
 #endif
 }

 /*QSGMII Riser Card can work in SGMII mode, but the PHY address is different.
  *This function scans which Riser Card being used(QSGMII or SGMII Riser Card),
  *then set the correct PHY address
  */
 void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
 		unsigned int port_num, int phy_base_addr)
 {
 	unsigned int regnum = 0;
 	int qsgmii;
 	int i;
 	int phy_real_addr;

 	qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum);

 	if (!qsgmii)
 		return;

 	for (i = base_port; i < base_port + port_num; i++) {
 		if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) {
 			phy_real_addr = phy_base_addr + i - base_port;
 			fm_info_set_phy_address(i, phy_real_addr);
 		}
 	}
 }

 /*to check whether qsgmii riser card is used*/
 int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
 		unsigned int port_num, unsigned regnum)
 {
 	int i;
 	int val;

 	if (!bus)
 		return 0;

 	for (i = phy_base_addr; i < phy_base_addr + port_num; i++) {
 		val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum);
 		if (val != MIIM_TIMEOUT)
 			return 1;
 	}

 	return 0;
 }
	/*
	* Copyright 2011 Freescale Semiconductor, Inc.
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/
	#include <common.h>
	#include <asm/io.h>
	#include <asm/fsl_serdes.h>

	#include "fm.h"

	struct fm_eth_info fm_info[] = {
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 1)
	FM_DTSEC_INFO_INITIALIZER(1, 1),
	#endif
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 2)
	FM_DTSEC_INFO_INITIALIZER(1, 2),
	#endif
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 3)
	FM_DTSEC_INFO_INITIALIZER(1, 3),
	#endif
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 4)
	FM_DTSEC_INFO_INITIALIZER(1, 4),
	#endif
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 5)
	FM_DTSEC_INFO_INITIALIZER(1, 5),
	#endif
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 6)
	FM_DTSEC_INFO_INITIALIZER(1, 6),
	#endif
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 7)
	FM_DTSEC_INFO_INITIALIZER(1, 9),
	#endif
	#if (CONFIG_SYS_NUM_FM1_DTSEC >= 8)
	FM_DTSEC_INFO_INITIALIZER(1, 10),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 1)
	FM_DTSEC_INFO_INITIALIZER(2, 1),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 2)
	FM_DTSEC_INFO_INITIALIZER(2, 2),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 3)
	FM_DTSEC_INFO_INITIALIZER(2, 3),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 4)
	FM_DTSEC_INFO_INITIALIZER(2, 4),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 5)
	FM_DTSEC_INFO_INITIALIZER(2, 5),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 6)
	FM_DTSEC_INFO_INITIALIZER(2, 6),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 7)
	FM_DTSEC_INFO_INITIALIZER(2, 9),
	#endif
	#if (CONFIG_SYS_NUM_FM2_DTSEC >= 8)
	FM_DTSEC_INFO_INITIALIZER(2, 10),
	#endif
	#if (CONFIG_SYS_NUM_FM1_10GEC >= 1)
	FM_TGEC_INFO_INITIALIZER(1, 1),
	#endif
	#if (CONFIG_SYS_NUM_FM1_10GEC >= 2)
	FM_TGEC_INFO_INITIALIZER(1, 2),
	#endif
	#if (CONFIG_SYS_NUM_FM1_10GEC >= 3)
	FM_TGEC_INFO_INITIALIZER2(1, 3),
	#endif
	#if (CONFIG_SYS_NUM_FM1_10GEC >= 4)
	FM_TGEC_INFO_INITIALIZER2(1, 4),
	#endif
	#if (CONFIG_SYS_NUM_FM2_10GEC >= 1)
	FM_TGEC_INFO_INITIALIZER(2, 1),
	#endif
	#if (CONFIG_SYS_NUM_FM2_10GEC >= 2)
	FM_TGEC_INFO_INITIALIZER(2, 2),
	#endif
	};

	int fm_standard_init(bd_t *bis)
	{
	int i;
	struct ccsr_fman *reg;

	reg = (void *)CONFIG_SYS_FSL_FM1_ADDR;
	if (fm_init_common(0, reg))
	return 0;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	if ((fm_info[i].enabled) && (fm_info[i].index == 1))
	fm_eth_initialize(reg, &fm_info[i]);
	}

	#if (CONFIG_SYS_NUM_FMAN == 2)
	reg = (void *)CONFIG_SYS_FSL_FM2_ADDR;
	if (fm_init_common(1, reg))
	return 0;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	if ((fm_info[i].enabled) && (fm_info[i].index == 2))
	fm_eth_initialize(reg, &fm_info[i]);
	}
	#endif

	return 1;
	}

	/* simple linear search to map from port to array index */
	static int fm_port_to_index(enum fm_port port)
	{
	int i;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	if (fm_info[i].port == port)
	return i;
	}

	return -1;
	}

	/*
	* Determine if an interface is actually active based on HW config
	* we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if
	* the interface is not active based on HW cfg of the SoC
	*/
	void fman_enet_init(void)
	{
	int i;

	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	phy_interface_t enet_if;

	enet_if = fman_port_enet_if(fm_info[i].port);
	if (enet_if != PHY_INTERFACE_MODE_NONE) {
	fm_info[i].enabled = 1;
	fm_info[i].enet_if = enet_if;
	} else {
	fm_info[i].enabled = 0;
	}
	}

	return ;
	}

	void fm_disable_port(enum fm_port port)
	{
	int i = fm_port_to_index(port);

	if (i == -1)
	return;

	fm_info[i].enabled = 0;
	fman_disable_port(port);
	}

	void fm_enable_port(enum fm_port port)
	{
	int i = fm_port_to_index(port);

	if (i == -1)
	return;

	fm_info[i].enabled = 1;
	fman_enable_port(port);
	}

	void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus)
	{
	int i = fm_port_to_index(port);

	if (i == -1)
	return;

	fm_info[i].bus = bus;
	}

	void fm_info_set_phy_address(enum fm_port port, int address)
	{
	int i = fm_port_to_index(port);

	if (i == -1)
	return;

	fm_info[i].phy_addr = address;
	}

	/*
	* Returns the PHY address for a given Fman port
	*
	* The port must be set via a prior call to fm_info_set_phy_address().
	* A negative error code is returned if the port is invalid.
	*/
	int fm_info_get_phy_address(enum fm_port port)
	{
	int i = fm_port_to_index(port);

	if (i == -1)
	return -1;

	return fm_info[i].phy_addr;
	}

	/*
	* Returns the type of the data interface between the given MAC and its PHY.
	* This is typically determined by the RCW.
	*/
	phy_interface_t fm_info_get_enet_if(enum fm_port port)
	{
	int i = fm_port_to_index(port);

	if (i == -1)
	return PHY_INTERFACE_MODE_NONE;

	if (fm_info[i].enabled)
	return fm_info[i].enet_if;

	return PHY_INTERFACE_MODE_NONE;
	}

	static void
	__def_board_ft_fman_fixup_port(void blob, char prop, phys_addr_t pa,
	enum fm_port port, int offset)
	{
	return ;
	}

	void board_ft_fman_fixup_port(void blob, char prop, phys_addr_t pa,
	enum fm_port port, int offset)
	__attribute__((weak, alias("__def_board_ft_fman_fixup_port")));

	static void ft_fixup_port(void blob, struct fm_eth_info info, char *prop)
	{
	int off;
	uint32_t ph;
	phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset;
	u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS +
	CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET;

	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

	if (info->enabled) {
	fdt_fixup_phy_connection(blob, off, info->enet_if);
	board_ft_fman_fixup_port(blob, prop, paddr, info->port, off);
	return ;
	}

	#ifdef CONFIG_SYS_FMAN_V3
	/*
	* Physically FM1_DTSEC9 and FM1_10GEC1 use the same dual-role MAC, when
	* FM1_10GEC1 is enabled and FM1_DTSEC9 is disabled, ensure that the
	* dual-role MAC is not disabled, ditto for other dual-role MACs.
	*/
	if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1))) \|\|
	((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) \|\|
	((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC3))) \|\|
	((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC4))) \|\|
	((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9))) \|\|
	((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) \|\|
	((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC1))) \|\|
	((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC2)))
	#if (CONFIG_SYS_NUM_FMAN == 2)
	\|\|
	((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1))) \|\|
	((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2))) \|\|
	((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9))) \|\|
	((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10)))
	#endif
	)
	return;
	#endif
	/* board code might have caused offset to change */
	off = fdt_node_offset_by_compat_reg(blob, prop, paddr);

	/* Don't disable FM1-DTSEC1 MAC as its used for MDIO */
	if (paddr != dtsec1_addr)
	fdt_status_disabled(blob, off); /* disable the MAC node */

	/* disable the fsl,dpa-ethernet node that points to the MAC */
	ph = fdt_get_phandle(blob, off);
	do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph),
	"status", "disabled", strlen("disabled") + 1, 1);
	}

	void fdt_fixup_fman_ethernet(void *blob)
	{
	int i;

	#ifdef CONFIG_SYS_FMAN_V3
	for (i = 0; i < ARRAY_SIZE(fm_info); i++)
	ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac");
	#else
	for (i = 0; i < ARRAY_SIZE(fm_info); i++) {
	if (fm_info[i].type == FM_ETH_1G_E)
	ft_fixup_port(blob, &fm_info[i], "fsl,fman-1g-mac");
	else
	ft_fixup_port(blob, &fm_info[i], "fsl,fman-10g-mac");
	}
	#endif
	}

	/*QSGMII Riser Card can work in SGMII mode, but the PHY address is different.
	*This function scans which Riser Card being used(QSGMII or SGMII Riser Card),
	*then set the correct PHY address
	*/
	void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port,
	unsigned int port_num, int phy_base_addr)
	{
	unsigned int regnum = 0;
	int qsgmii;
	int i;
	int phy_real_addr;

	qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum);

	if (!qsgmii)
	return;

	for (i = base_port; i < base_port + port_num; i++) {
	if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) {
	phy_real_addr = phy_base_addr + i - base_port;
	fm_info_set_phy_address(i, phy_real_addr);
	}
	}
	}

	/to check whether qsgmii riser card is used/
	int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr,
	unsigned int port_num, unsigned regnum)
	{
	int i;
	int val;

	if (!bus)
	return 0;

	for (i = phy_base_addr; i < phy_base_addr + port_num; i++) {
	val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum);
	if (val != MIIM_TIMEOUT)
	return 1;
	}

	return 0;
	}