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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 __ASSEMBLY__
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 __ASSEMBLY__
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 */