linux/arch/score/include/asm/scoreregs.h

52 lines
1.4 KiB
C

#ifndef _ASM_SCORE_SCOREREGS_H
#define _ASM_SCORE_SCOREREGS_H
#include <linux/linkage.h>
/* TIMER register */
#define TIME0BASE 0x96080000
#define P_TIMER0_CTRL (TIME0BASE + 0x00)
#define P_TIMER0_CPP_CTRL (TIME0BASE + 0x04)
#define P_TIMER0_PRELOAD (TIME0BASE + 0x08)
#define P_TIMER0_CPP_REG (TIME0BASE + 0x0C)
#define P_TIMER0_UPCNT (TIME0BASE + 0x10)
/* Timer Controller Register */
/* bit 0 Timer enable */
#define TMR_DISABLE 0x0000
#define TMR_ENABLE 0x0001
/* bit 1 Interrupt enable */
#define TMR_IE_DISABLE 0x0000
#define TMR_IE_ENABLE 0x0002
/* bit 2 Output enable */
#define TMR_OE_DISABLE 0x0004
#define TMR_OE_ENABLE 0x0000
/* bit4 Up/Down counting selection */
#define TMR_UD_DOWN 0x0000
#define TMR_UD_UP 0x0010
/* bit5 Up/Down counting control selection */
#define TMR_UDS_UD 0x0000
#define TMR_UDS_EXTUD 0x0020
/* bit6 Time output mode */
#define TMR_OM_TOGGLE 0x0000
#define TMR_OM_PILSE 0x0040
/* bit 8..9 External input active edge selection */
#define TMR_ES_PE 0x0000
#define TMR_ES_NE 0x0100
#define TMR_ES_BOTH 0x0200
/* bit 10..11 Operating mode */
#define TMR_M_FREE 0x0000 /* free running timer mode */
#define TMR_M_PERIODIC 0x0400 /* periodic timer mode */
#define TMR_M_FC 0x0800 /* free running counter mode */
#define TMR_M_PC 0x0c00 /* periodic counter mode */
#define SYSTEM_CLOCK (27*1000000/4) /* 27 MHz */
#endif /* _ASM_SCORE_SCOREREGS_H */