xref: /openbmc/linux/arch/m68k/include/asm/mcftimer.h (revision 1fa6ac37)
1 /****************************************************************************/
2 
3 /*
4  *	mcftimer.h -- ColdFire internal TIMER support defines.
5  *
6  *	(C) Copyright 1999-2006, Greg Ungerer <gerg@snapgear.com>
7  * 	(C) Copyright 2000, Lineo Inc. (www.lineo.com)
8  */
9 
10 /****************************************************************************/
11 #ifndef	mcftimer_h
12 #define	mcftimer_h
13 /****************************************************************************/
14 
15 
16 /*
17  *	Get address specific defines for this ColdFire member.
18  */
19 #if defined(CONFIG_M5206) || defined(CONFIG_M5206e)
20 #define	MCFTIMER_BASE1		0x100		/* Base address of TIMER1 */
21 #define	MCFTIMER_BASE2		0x120		/* Base address of TIMER2 */
22 #elif defined(CONFIG_M5272)
23 #define MCFTIMER_BASE1		0x200           /* Base address of TIMER1 */
24 #define MCFTIMER_BASE2		0x220           /* Base address of TIMER2 */
25 #define MCFTIMER_BASE3		0x240           /* Base address of TIMER4 */
26 #define MCFTIMER_BASE4		0x260           /* Base address of TIMER3 */
27 #elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)
28 #define MCFTIMER_BASE1		0x140           /* Base address of TIMER1 */
29 #define MCFTIMER_BASE2		0x180           /* Base address of TIMER2 */
30 #elif defined(CONFIG_M532x)
31 #define MCFTIMER_BASE1		0xfc070000	/* Base address of TIMER1 */
32 #define MCFTIMER_BASE2		0xfc074000	/* Base address of TIMER2 */
33 #define MCFTIMER_BASE3		0xfc078000	/* Base address of TIMER3 */
34 #define MCFTIMER_BASE4		0xfc07c000	/* Base address of TIMER4 */
35 #endif
36 
37 
38 /*
39  *	Define the TIMER register set addresses.
40  */
41 #define	MCFTIMER_TMR		0x00		/* Timer Mode reg (r/w) */
42 #define	MCFTIMER_TRR		0x04		/* Timer Reference (r/w) */
43 #define	MCFTIMER_TCR		0x08		/* Timer Capture reg (r/w) */
44 #define	MCFTIMER_TCN		0x0C		/* Timer Counter reg (r/w) */
45 #if defined(CONFIG_M532x)
46 #define	MCFTIMER_TER		0x03		/* Timer Event reg (r/w) */
47 #else
48 #define	MCFTIMER_TER		0x11		/* Timer Event reg (r/w) */
49 #endif
50 
51 /*
52  *	Bit definitions for the Timer Mode Register (TMR).
53  *	Register bit flags are common accross ColdFires.
54  */
55 #define	MCFTIMER_TMR_PREMASK	0xff00		/* Prescalar mask */
56 #define	MCFTIMER_TMR_DISCE	0x0000		/* Disable capture */
57 #define	MCFTIMER_TMR_ANYCE	0x00c0		/* Capture any edge */
58 #define	MCFTIMER_TMR_FALLCE	0x0080		/* Capture fallingedge */
59 #define	MCFTIMER_TMR_RISECE	0x0040		/* Capture rising edge */
60 #define	MCFTIMER_TMR_ENOM	0x0020		/* Enable output toggle */
61 #define	MCFTIMER_TMR_DISOM	0x0000		/* Do single output pulse  */
62 #define	MCFTIMER_TMR_ENORI	0x0010		/* Enable ref interrupt */
63 #define	MCFTIMER_TMR_DISORI	0x0000		/* Disable ref interrupt */
64 #define	MCFTIMER_TMR_RESTART	0x0008		/* Restart counter */
65 #define	MCFTIMER_TMR_FREERUN	0x0000		/* Free running counter */
66 #define	MCFTIMER_TMR_CLKTIN	0x0006		/* Input clock is TIN */
67 #define	MCFTIMER_TMR_CLK16	0x0004		/* Input clock is /16 */
68 #define	MCFTIMER_TMR_CLK1	0x0002		/* Input clock is /1 */
69 #define	MCFTIMER_TMR_CLKSTOP	0x0000		/* Stop counter */
70 #define	MCFTIMER_TMR_ENABLE	0x0001		/* Enable timer */
71 #define	MCFTIMER_TMR_DISABLE	0x0000		/* Disable timer */
72 
73 /*
74  *	Bit definitions for the Timer Event Registers (TER).
75  */
76 #define	MCFTIMER_TER_CAP	0x01		/* Capture event */
77 #define	MCFTIMER_TER_REF	0x02		/* Refernece event */
78 
79 /****************************************************************************/
80 #endif	/* mcftimer_h */
81