nettel.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2/****************************************************************************/
  3
  4/*
  5 *	nettel.h -- Lineo (formerly Moreton Bay) NETtel support.
  6 *
  7 *	(C) Copyright 1999-2000, Moreton Bay (www.moretonbay.com)
  8 * 	(C) Copyright 2000-2001, Lineo Inc. (www.lineo.com) 
  9 * 	(C) Copyright 2001-2002, SnapGear Inc., (www.snapgear.com) 
 10 */
 11
 12/****************************************************************************/
 13#ifndef	nettel_h
 14#define	nettel_h
 15/****************************************************************************/
 16
 17/****************************************************************************/
 18#if defined(CONFIG_NETtel) || defined(CONFIG_CLEOPATRA)
 19/****************************************************************************/
 20
 21#ifdef CONFIG_COLDFIRE
 22#include <asm/coldfire.h>
 23#include <asm/mcfsim.h>
 24#include <asm/io.h>
 25#endif
 26
 27/*---------------------------------------------------------------------------*/
 28#if defined(CONFIG_M5307) || defined(CONFIG_M5407)
 29/*
 30 *	NETtel/5307 based hardware first. DTR/DCD lines are wired to
 31 *	GPIO lines. Most of the LED's are driver through a latch
 32 *	connected to CS2.
 33 */
 34#define	MCFPP_DCD1	0x0001
 35#define	MCFPP_DCD0	0x0002
 36#define	MCFPP_DTR1	0x0004
 37#define	MCFPP_DTR0	0x0008
 38
 39#define	NETtel_LEDADDR	0x30400000
 40
 41#ifndef __ASSEMBLER__
 42
 43extern volatile unsigned short ppdata;
 44
 45/*
 46 *	These functions defined to give quasi generic access to the
 47 *	PPIO bits used for DTR/DCD.
 48 */
 49static __inline__ unsigned int mcf_getppdata(void)
 50{
 51	volatile unsigned short *pp;
 52	pp = (volatile unsigned short *) MCFSIM_PADAT;
 53	return((unsigned int) *pp);
 54}
 55
 56static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
 57{
 58	volatile unsigned short *pp;
 59	pp = (volatile unsigned short *) MCFSIM_PADAT;
 60	ppdata = (ppdata & ~mask) | bits;
 61	*pp = ppdata;
 62}
 63#endif
 64
 65/*---------------------------------------------------------------------------*/
 66#elif defined(CONFIG_M5206e)
 67/*
 68 *	NETtel/5206e based hardware has leds on latch on CS3.
 69 *	No support modem for lines??
 70 */
 71#define	NETtel_LEDADDR	0x50000000
 72
 73/*---------------------------------------------------------------------------*/
 74#elif defined(CONFIG_M5272)
 75/*
 76 *	NETtel/5272 based hardware. DTR/DCD lines are wired to GPB lines.
 77 */
 78#define	MCFPP_DCD0	0x0080
 79#define	MCFPP_DCD1	0x0000		/* Port 1 no DCD support */
 80#define	MCFPP_DTR0	0x0040
 81#define	MCFPP_DTR1	0x0000		/* Port 1 no DTR support */
 82
 83#ifndef __ASSEMBLER__
 84/*
 85 *	These functions defined to give quasi generic access to the
 86 *	PPIO bits used for DTR/DCD.
 87 */
 88static __inline__ unsigned int mcf_getppdata(void)
 89{
 90	return readw(MCFSIM_PBDAT);
 91}
 92
 93static __inline__ void mcf_setppdata(unsigned int mask, unsigned int bits)
 94{
 95	writew((readw(MCFSIM_PBDAT) & ~mask) | bits, MCFSIM_PBDAT);
 96}
 97#endif
 98
 99#endif
100/*---------------------------------------------------------------------------*/
101
102/****************************************************************************/
103#endif /* CONFIG_NETtel */
104/****************************************************************************/
105#endif	/* nettel_h */