/*
   * CPSW Ethernet Switch Driver
   *
   * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
   * published by the Free Software Foundation version 2.
   *
   * This program is distributed "as is" WITHOUT ANY WARRANTY of any
   * kind, whether express or implied; without even the implied warranty
   * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   * GNU General Public License for more details.
   */
  
  #ifndef _CPSW_H_
  #define _CPSW_H_

  #include <dm/ofnode.h>

  /* reg offset */
  #define CPSW_HOST_PORT_OFFSET	0x108
  #define CPSW_SLAVE0_OFFSET	0x208
  #define CPSW_SLAVE1_OFFSET	0x308
  #define CPSW_SLAVE_SIZE		0x100
  #define CPSW_CPDMA_OFFSET	0x800
  #define CPSW_HW_STATS		0x900
  #define CPSW_STATERAM_OFFSET	0xa00
  #define CPSW_CPTS_OFFSET	0xc00
  #define CPSW_ALE_OFFSET		0xd00
  #define CPSW_SLIVER0_OFFSET	0xd80
  #define CPSW_SLIVER1_OFFSET	0xdc0
  #define CPSW_BD_OFFSET		0x2000
  #define CPSW_MDIO_DIV		0xff
  
  #define AM335X_GMII_SEL_OFFSET	0x630

  struct cpsw_slave_data {
  	u32		slave_reg_ofs;
  	u32		sliver_reg_ofs;

  	int		phy_addr;

  	int		phy_if;

  	ofnode		phy_of_handle;

  	int		max_speed;

  };
  
  enum {
  	CPSW_CTRL_VERSION_1 = 0,
  	CPSW_CTRL_VERSION_2	/* am33xx like devices */
  };
  
  struct cpsw_platform_data {
  	u32	mdio_base;
  	u32	cpsw_base;

  	u32	mac_id;
  	u32	gmii_sel;

  	int	mdio_div;
  	int	channels;	/* number of cpdma channels (symmetric)	*/
  	u32	cpdma_reg_ofs;	/* cpdma register offset		*/
  	int	slaves;		/* number of slave cpgmac ports		*/
  	u32	ale_reg_ofs;	/* address lookup engine reg offset	*/
  	int	ale_entries;	/* ale table size			*/
  	u32	host_port_reg_ofs;	/* cpdma host port registers	*/
  	u32	hw_stats_reg_ofs;	/* cpsw hw stats counters	*/

  	u32	bd_ram_ofs;		/* Buffer Descriptor RAM offset */

  	u32	mac_control;
  	struct cpsw_slave_data	*slave_data;
  	void	(*control)(int enabled);
  	u32	host_port_num;

  	u32	active_slave;

  	bool	rmii_clock_external;

  	u8	version;

  	const char *phy_sel_compat;

  	u32	syscon_addr;
  	const char *macid_sel_compat;

  };
  
  int cpsw_register(struct cpsw_platform_data *data);

  int ti_cm_get_macid_addr(struct udevice *dev, int slave,
  			 struct cpsw_platform_data *data);
  void ti_cm_get_macid(struct udevice *dev, struct cpsw_platform_data *data,
  		     u8 *mac_addr);

  int cpsw_get_slave_phy_addr(struct udevice *dev, int slave);

  
  #endif /* _CPSW_H_  */