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
43 extern 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 */
49 static __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
56 static __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 */
88 static __inline__ unsigned int mcf_getppdata(void)
89 {
90 return readw(MCFSIM_PBDAT);
91 }
92
93 static __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 */
106
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