1 /****************************************************************************/
4 * mcftimer.h -- ColdFire internal TIMER support defines.
6 * (C) Copyright 1999-2002, Greg Ungerer (gerg@snapgear.com)
7 * (C) Copyright 2000, Lineo Inc. (www.lineo.com)
10 /****************************************************************************/
13 /****************************************************************************/
15 #include <linux/config.h>
18 * Get address specific defines for this ColdFire member.
20 #if defined(CONFIG_M5204) || defined(CONFIG_M5206) || defined(CONFIG_M5206e)
21 #define MCFTIMER_BASE1 0x100 /* Base address of TIMER1 */
22 #define MCFTIMER_BASE2 0x120 /* Base address of TIMER2 */
23 #elif defined(CONFIG_M5272)
24 #define MCFTIMER_BASE1 0x200 /* Base address of TIMER1 */
25 #define MCFTIMER_BASE2 0x220 /* Base address of TIMER2 */
26 #define MCFTIMER_BASE3 0x240 /* Base address of TIMER4 */
27 #define MCFTIMER_BASE4 0x260 /* Base address of TIMER3 */
28 #elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)
29 #define MCFTIMER_BASE1 0x140 /* Base address of TIMER1 */
30 #define MCFTIMER_BASE2 0x180 /* Base address of TIMER2 */
35 * Define the TIMER register set addresses.
37 #define MCFTIMER_TMR 0x00 /* Timer Mode reg (r/w) */
38 #define MCFTIMER_TRR 0x02 /* Timer Reference (r/w) */
39 #define MCFTIMER_TCR 0x04 /* Timer Capture reg (r/w) */
40 #define MCFTIMER_TCN 0x06 /* Timer Counter reg (r/w) */
41 #define MCFTIMER_TER 0x11 /* Timer Event reg (r/w) */
44 unsigned short tmr; /* Timer Mode reg (r/w) */
45 unsigned short reserved1;
46 unsigned short trr; /* Timer Reference (r/w) */
47 unsigned short reserved2;
48 unsigned short tcr; /* Timer Capture reg (r/w) */
49 unsigned short reserved3;
50 unsigned short tcn; /* Timer Counter reg (r/w) */
51 unsigned short reserved4;
52 unsigned char reserved5;
53 unsigned char ter; /* Timer Event reg (r/w) */
54 } __attribute__((packed));
57 * Bit definitions for the Timer Mode Register (TMR).
58 * Register bit flags are common accross ColdFires.
60 #define MCFTIMER_TMR_PREMASK 0xff00 /* Prescalar mask */
61 #define MCFTIMER_TMR_DISCE 0x0000 /* Disable capture */
62 #define MCFTIMER_TMR_ANYCE 0x00c0 /* Capture any edge */
63 #define MCFTIMER_TMR_FALLCE 0x0080 /* Capture fallingedge */
64 #define MCFTIMER_TMR_RISECE 0x0040 /* Capture rising edge */
65 #define MCFTIMER_TMR_ENOM 0x0020 /* Enable output toggle */
66 #define MCFTIMER_TMR_DISOM 0x0000 /* Do single output pulse */
67 #define MCFTIMER_TMR_ENORI 0x0010 /* Enable ref interrupt */
68 #define MCFTIMER_TMR_DISORI 0x0000 /* Disable ref interrupt */
69 #define MCFTIMER_TMR_RESTART 0x0008 /* Restart counter */
70 #define MCFTIMER_TMR_FREERUN 0x0000 /* Free running counter */
71 #define MCFTIMER_TMR_CLKTIN 0x0006 /* Input clock is TIN */
72 #define MCFTIMER_TMR_CLK16 0x0004 /* Input clock is /16 */
73 #define MCFTIMER_TMR_CLK1 0x0002 /* Input clock is /1 */
74 #define MCFTIMER_TMR_CLKSTOP 0x0000 /* Stop counter */
75 #define MCFTIMER_TMR_ENABLE 0x0001 /* Enable timer */
76 #define MCFTIMER_TMR_DISABLE 0x0000 /* Disable timer */
79 * Bit definitions for the Timer Event Registers (TER).
81 #define MCFTIMER_TER_CAP 0x01 /* Capture event */
82 #define MCFTIMER_TER_REF 0x02 /* Refernece event */
84 /****************************************************************************/
85 #endif /* mcftimer_h */