1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /****************************************************************************/ 3 4 /* 5 * mcftimer.h -- ColdFire internal TIMER support defines. 6 * 7 * (C) Copyright 1999-2006, Greg Ungerer <gerg@snapgear.com> 8 * (C) Copyright 2000, Lineo Inc. (www.lineo.com) 9 */ 10 11 /****************************************************************************/ 12 #ifndef mcftimer_h 13 #define mcftimer_h 14 /****************************************************************************/ 15 16 /* 17 * Define the TIMER register set addresses. 18 */ 19 #define MCFTIMER_TMR 0x00 /* Timer Mode reg (r/w) */ 20 #define MCFTIMER_TRR 0x04 /* Timer Reference (r/w) */ 21 #define MCFTIMER_TCR 0x08 /* Timer Capture reg (r/w) */ 22 #define MCFTIMER_TCN 0x0C /* Timer Counter reg (r/w) */ 23 #if defined(CONFIG_M53xx) || defined(CONFIG_M5441x) 24 #define MCFTIMER_TER 0x03 /* Timer Event reg (r/w) */ 25 #else 26 #define MCFTIMER_TER 0x11 /* Timer Event reg (r/w) */ 27 #endif 28 29 /* 30 * Bit definitions for the Timer Mode Register (TMR). 31 * Register bit flags are common across ColdFires. 32 */ 33 #define MCFTIMER_TMR_PREMASK 0xff00 /* Prescalar mask */ 34 #define MCFTIMER_TMR_DISCE 0x0000 /* Disable capture */ 35 #define MCFTIMER_TMR_ANYCE 0x00c0 /* Capture any edge */ 36 #define MCFTIMER_TMR_FALLCE 0x0080 /* Capture fallingedge */ 37 #define MCFTIMER_TMR_RISECE 0x0040 /* Capture rising edge */ 38 #define MCFTIMER_TMR_ENOM 0x0020 /* Enable output toggle */ 39 #define MCFTIMER_TMR_DISOM 0x0000 /* Do single output pulse */ 40 #define MCFTIMER_TMR_ENORI 0x0010 /* Enable ref interrupt */ 41 #define MCFTIMER_TMR_DISORI 0x0000 /* Disable ref interrupt */ 42 #define MCFTIMER_TMR_RESTART 0x0008 /* Restart counter */ 43 #define MCFTIMER_TMR_FREERUN 0x0000 /* Free running counter */ 44 #define MCFTIMER_TMR_CLKTIN 0x0006 /* Input clock is TIN */ 45 #define MCFTIMER_TMR_CLK16 0x0004 /* Input clock is /16 */ 46 #define MCFTIMER_TMR_CLK1 0x0002 /* Input clock is /1 */ 47 #define MCFTIMER_TMR_CLKSTOP 0x0000 /* Stop counter */ 48 #define MCFTIMER_TMR_ENABLE 0x0001 /* Enable timer */ 49 #define MCFTIMER_TMR_DISABLE 0x0000 /* Disable timer */ 50 51 /* 52 * Bit definitions for the Timer Event Registers (TER). 53 */ 54 #define MCFTIMER_TER_CAP 0x01 /* Capture event */ 55 #define MCFTIMER_TER_REF 0x02 /* Reference event */ 56 57 /****************************************************************************/ 58 #endif /* mcftimer_h */ 59