mcf537x_pit.h

Freescale ColdFire MCF537x 家族的参考代码

/*
 * File:    mcf537x_pit.h
 * Purpose: Register and bit definitions
 */

#ifndef __MCF537X_PIT_H__
#define __MCF537X_PIT_H__

/*********************************************************************
*
* Programmable Interrupt Timer Modules (PIT)
*
*********************************************************************/

/* Register read/write macros */
#define MCF_PIT0_PCSR        (*(vuint16*)(0xFC080000))
#define MCF_PIT0_PMR         (*(vuint16*)(0xFC080002))
#define MCF_PIT0_PCNTR       (*(vuint16*)(0xFC080004))
#define MCF_PIT1_PCSR        (*(vuint16*)(0xFC084000))
#define MCF_PIT1_PMR         (*(vuint16*)(0xFC084002))
#define MCF_PIT1_PCNTR       (*(vuint16*)(0xFC084004))
#define MCF_PIT2_PCSR        (*(vuint16*)(0xFC088000))
#define MCF_PIT2_PMR         (*(vuint16*)(0xFC088002))
#define MCF_PIT2_PCNTR       (*(vuint16*)(0xFC088004))
#define MCF_PIT3_PCSR        (*(vuint16*)(0xFC08C000))
#define MCF_PIT3_PMR         (*(vuint16*)(0xFC08C002))
#define MCF_PIT3_PCNTR       (*(vuint16*)(0xFC08C004))
#define MCF_PIT_PCSR(x)      (*(vuint16*)(0xFC080000+((x)*0x4000)))
#define MCF_PIT_PMR(x)       (*(vuint16*)(0xFC080002+((x)*0x4000)))
#define MCF_PIT_PCNTR(x)     (*(vuint16*)(0xFC080004+((x)*0x4000)))

/* Bit definitions and macros for MCF_PIT_PCSR */
#define MCF_PIT_PCSR_EN      (0x0001)
#define MCF_PIT_PCSR_RLD     (0x0002)
#define MCF_PIT_PCSR_PIF     (0x0004)
#define MCF_PIT_PCSR_PIE     (0x0008)
#define MCF_PIT_PCSR_OVW     (0x0010)
#define MCF_PIT_PCSR_HALTED  (0x0020)
#define MCF_PIT_PCSR_DOZE    (0x0040)
#define MCF_PIT_PCSR_PRE(x)  (((x)&0x000F)<<8)

/* Bit definitions and macros for MCF_PIT_PMR */
#define MCF_PIT_PMR_PM(x)    (((x)&0xFFFF)<<0)

/* Bit definitions and macros for MCF_PIT_PCNTR */
#define MCF_PIT_PCNTR_PC(x)  (((x)&0xFFFF)<<0)

/********************************************************************/

#endif /* __MCF537X_PIT_H__ */