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kernel/linux-rt-4.4.41/arch/m68k/include/asm/nettel.h 2.91 KB
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  /****************************************************************************/
  
  /*
   *	nettel.h -- Lineo (formerly Moreton Bay) NETtel support.
   *
   *	(C) Copyright 1999-2000, Moreton Bay (www.moretonbay.com)
   * 	(C) Copyright 2000-2001, Lineo Inc. (www.lineo.com) 
   * 	(C) Copyright 2001-2002, SnapGear Inc., (www.snapgear.com) 
   */
  
  /****************************************************************************/
  #ifndef	nettel_h
  #define	nettel_h
  /****************************************************************************/
  
  
  /****************************************************************************/
  #ifdef CONFIG_NETtel
  /****************************************************************************/
  
  #ifdef CONFIG_COLDFIRE
  #include <asm/coldfire.h>
  #include <asm/mcfsim.h>
  #include <asm/io.h>
  #endif
  
  /*---------------------------------------------------------------------------*/
  #if defined(CONFIG_M5307)
  /*
   *	NETtel/5307 based hardware first. DTR/DCD lines are wired to
   *	GPIO lines. Most of the LED's are driver through a latch
   *	connected to CS2.
   */
  #define	MCFPP_DCD1	0x0001
  #define	MCFPP_DCD0	0x0002
  #define	MCFPP_DTR1	0x0004
  #define	MCFPP_DTR0	0x0008
  
  #define	NETtel_LEDADDR	0x30400000
  
  #ifndef __ASSEMBLY__
  
  extern volatile unsigned short ppdata;
  
  /*
   *	These functions defined to give quasi generic access to the
   *	PPIO bits used for DTR/DCD.
   */
  static __inline__ unsigned int mcf_getppdata(void)
  {
  	volatile unsigned short *pp;
  	pp = (volatile unsigned short *) MCFSIM_PADAT;
  	return((unsigned int) *pp);
  }
  
  static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
  {
  	volatile unsigned short *pp;
  	pp = (volatile unsigned short *) MCFSIM_PADAT;
  	ppdata = (ppdata & ~mask) | bits;
  	*pp = ppdata;
  }
  #endif
  
  /*---------------------------------------------------------------------------*/
  #elif defined(CONFIG_M5206e)
  /*
   *	NETtel/5206e based hardware has leds on latch on CS3.
   *	No support modem for lines??
   */
  #define	NETtel_LEDADDR	0x50000000
  
  /*---------------------------------------------------------------------------*/
  #elif defined(CONFIG_M5272)
  /*
   *	NETtel/5272 based hardware. DTR/DCD lines are wired to GPB lines.
   */
  #define	MCFPP_DCD0	0x0080
  #define	MCFPP_DCD1	0x0000		/* Port 1 no DCD support */
  #define	MCFPP_DTR0	0x0040
  #define	MCFPP_DTR1	0x0000		/* Port 1 no DTR support */
  
  #ifndef __ASSEMBLY__
  /*
   *	These functions defined to give quasi generic access to the
   *	PPIO bits used for DTR/DCD.
   */
  static __inline__ unsigned int mcf_getppdata(void)
  {
  	return readw(MCFSIM_PBDAT);
  }
  
  static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
  {
  	write((readw(MCFSIM_PBDAT) & ~mask) | bits, MCFSIM_PBDAT);
  }
  #endif
  
  #endif
  /*---------------------------------------------------------------------------*/
  
  /****************************************************************************/
  #endif /* CONFIG_NETtel */
  /****************************************************************************/
  #endif	/* nettel_h */