mcftimer.h
来自「linux 内核源代码」· C头文件 代码 · 共 81 行
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81 行
/****************************************************************************//* * mcftimer.h -- ColdFire internal TIMER support defines. * * (C) Copyright 1999-2006, Greg Ungerer <gerg@snapgear.com> * (C) Copyright 2000, Lineo Inc. (www.lineo.com) *//****************************************************************************/#ifndef mcftimer_h#define mcftimer_h/****************************************************************************//* * Get address specific defines for this ColdFire member. */#if defined(CONFIG_M5204) || defined(CONFIG_M5206) || defined(CONFIG_M5206e)#define MCFTIMER_BASE1 0x100 /* Base address of TIMER1 */#define MCFTIMER_BASE2 0x120 /* Base address of TIMER2 */#elif defined(CONFIG_M5272)#define MCFTIMER_BASE1 0x200 /* Base address of TIMER1 */#define MCFTIMER_BASE2 0x220 /* Base address of TIMER2 */#define MCFTIMER_BASE3 0x240 /* Base address of TIMER4 */#define MCFTIMER_BASE4 0x260 /* Base address of TIMER3 */#elif defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407)#define MCFTIMER_BASE1 0x140 /* Base address of TIMER1 */#define MCFTIMER_BASE2 0x180 /* Base address of TIMER2 */#elif defined(CONFIG_M532x)#define MCFTIMER_BASE1 0xfc070000 /* Base address of TIMER1 */#define MCFTIMER_BASE2 0xfc074000 /* Base address of TIMER2 */#define MCFTIMER_BASE3 0xfc078000 /* Base address of TIMER3 */#define MCFTIMER_BASE4 0xfc07c000 /* Base address of TIMER4 */#endif/* * Define the TIMER register set addresses. */#define MCFTIMER_TMR 0x00 /* Timer Mode reg (r/w) */#define MCFTIMER_TRR 0x04 /* Timer Reference (r/w) */#define MCFTIMER_TCR 0x08 /* Timer Capture reg (r/w) */#define MCFTIMER_TCN 0x0C /* Timer Counter reg (r/w) */#if defined(CONFIG_M532x)#define MCFTIMER_TER 0x03 /* Timer Event reg (r/w) */#else#define MCFTIMER_TER 0x11 /* Timer Event reg (r/w) */#endif/* * Bit definitions for the Timer Mode Register (TMR). * Register bit flags are common accross ColdFires. */#define MCFTIMER_TMR_PREMASK 0xff00 /* Prescalar mask */#define MCFTIMER_TMR_DISCE 0x0000 /* Disable capture */#define MCFTIMER_TMR_ANYCE 0x00c0 /* Capture any edge */#define MCFTIMER_TMR_FALLCE 0x0080 /* Capture fallingedge */#define MCFTIMER_TMR_RISECE 0x0040 /* Capture rising edge */#define MCFTIMER_TMR_ENOM 0x0020 /* Enable output toggle */#define MCFTIMER_TMR_DISOM 0x0000 /* Do single output pulse */#define MCFTIMER_TMR_ENORI 0x0010 /* Enable ref interrupt */#define MCFTIMER_TMR_DISORI 0x0000 /* Disable ref interrupt */#define MCFTIMER_TMR_RESTART 0x0008 /* Restart counter */#define MCFTIMER_TMR_FREERUN 0x0000 /* Free running counter */#define MCFTIMER_TMR_CLKTIN 0x0006 /* Input clock is TIN */#define MCFTIMER_TMR_CLK16 0x0004 /* Input clock is /16 */#define MCFTIMER_TMR_CLK1 0x0002 /* Input clock is /1 */#define MCFTIMER_TMR_CLKSTOP 0x0000 /* Stop counter */#define MCFTIMER_TMR_ENABLE 0x0001 /* Enable timer */#define MCFTIMER_TMR_DISABLE 0x0000 /* Disable timer *//* * Bit definitions for the Timer Event Registers (TER). */#define MCFTIMER_TER_CAP 0x01 /* Capture event */#define MCFTIMER_TER_REF 0x02 /* Refernece event *//****************************************************************************/#endif /* mcftimer_h */
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