xref: /openbmc/linux/arch/m68k/include/asm/nettel.h (revision 9cfc5c90)
1 /****************************************************************************/
2 
3 /*
4  *	nettel.h -- Lineo (formerly Moreton Bay) NETtel support.
5  *
6  *	(C) Copyright 1999-2000, Moreton Bay (www.moretonbay.com)
7  * 	(C) Copyright 2000-2001, Lineo Inc. (www.lineo.com)
8  * 	(C) Copyright 2001-2002, SnapGear Inc., (www.snapgear.com)
9  */
10 
11 /****************************************************************************/
12 #ifndef	nettel_h
13 #define	nettel_h
14 /****************************************************************************/
15 
16 
17 /****************************************************************************/
18 #ifdef CONFIG_NETtel
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)
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 	write((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