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