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Diffstat (limited to 'include/asm-m68k/timer.h')
| -rw-r--r-- | include/asm-m68k/timer.h | 118 | 
1 files changed, 118 insertions, 0 deletions
| diff --git a/include/asm-m68k/timer.h b/include/asm-m68k/timer.h new file mode 100644 index 000000000..030720c89 --- /dev/null +++ b/include/asm-m68k/timer.h @@ -0,0 +1,118 @@ +/* + * timer.h -- ColdFire internal TIMER support defines. + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/****************************************************************************/ +#ifndef	timer_h +#define	timer_h +/****************************************************************************/ + +/****************************************************************************/ +/* Timer structure */ +/****************************************************************************/ +/* DMA Timer module registers */ +typedef struct dtimer_ctrl { +#if defined(CONFIG_M5249) || defined(CONFIG_M5253) +	u16 tmr;		/* 0x00 Mode register */ +	u16 res1;		/* 0x02 */ +	u16 trr;		/* 0x04 Reference register */ +	u16 res2;		/* 0x06 */ +	u16 tcr;		/* 0x08 Capture register */ +	u16 res3;		/* 0x0A */ +	u16 tcn;		/* 0x0C Counter register */ +	u16 res4;		/* 0x0E */ +	u8 res6;		/* 0x10 */ +	u8 ter;			/* 0x11 Event register */ +	u16 res7;		/* 0x12 */ +#else +	u16 tmr;		/* 0x00 Mode register */ +	u8 txmr;		/* 0x02 Extended Mode register */ +	u8 ter;			/* 0x03 Event register */ +	u32 trr;		/* 0x04 Reference register */ +	u32 tcr;		/* 0x08 Capture register */ +	u32 tcn;		/* 0x0C Counter register */ +#endif +} dtmr_t; + +/*Programmable Interrupt Timer */ +typedef struct pit_ctrl { +	u16 pcsr;		/* 0x00 Control and Status Register */ +	u16 pmr;		/* 0x02 Modulus Register */ +	u16 pcntr;		/* 0x04 Count Register */ +} pit_t; + +/********************************************************************* +* DMA Timers (DTIM) +*********************************************************************/ +/* Bit definitions and macros for DTMR */ +#define DTIM_DTMR_RST		(0x0001)	/* Reset */ +#define DTIM_DTMR_CLK(x)	(((x)&0x0003)<<1)	/* Input clock source */ +#define DTIM_DTMR_FRR		(0x0008)	/* Free run/restart */ +#define DTIM_DTMR_ORRI		(0x0010)	/* Output reference request/interrupt enable */ +#define DTIM_DTMR_OM		(0x0020)	/* Output Mode */ +#define DTIM_DTMR_CE(x)		(((x)&0x0003)<<6)	/* Capture Edge */ +#define DTIM_DTMR_PS(x)		(((x)&0x00FF)<<8)	/* Prescaler value */ +#define DTIM_DTMR_RST_EN	(0x0001) +#define DTIM_DTMR_RST_RST	(0x0000) +#define DTIM_DTMR_CE_ANY	(0x00C0) +#define DTIM_DTMR_CE_FALL	(0x0080) +#define DTIM_DTMR_CE_RISE	(0x0040) +#define DTIM_DTMR_CE_NONE	(0x0000) +#define DTIM_DTMR_CLK_DTIN	(0x0006) +#define DTIM_DTMR_CLK_DIV16	(0x0004) +#define DTIM_DTMR_CLK_DIV1	(0x0002) +#define DTIM_DTMR_CLK_STOP	(0x0000) + +/* Bit definitions and macros for DTXMR */ +#define DTIM_DTXMR_MODE16	(0x01)	/* Increment Mode */ +#define DTIM_DTXMR_DMAEN	(0x80)	/* DMA request */ + +/* Bit definitions and macros for DTER */ +#define DTIM_DTER_CAP		(0x01)	/* Capture event */ +#define DTIM_DTER_REF		(0x02)	/* Output reference event */ + +/********************************************************************* +* +* Programmable Interrupt Timer Modules (PIT) +* +*********************************************************************/ + +/* Bit definitions and macros for PCSR */ +#define PIT_PCSR_EN		(0x0001) +#define PIT_PCSR_RLD		(0x0002) +#define PIT_PCSR_PIF		(0x0004) +#define PIT_PCSR_PIE		(0x0008) +#define PIT_PCSR_OVW		(0x0010) +#define PIT_PCSR_HALTED		(0x0020) +#define PIT_PCSR_DOZE		(0x0040) +#define PIT_PCSR_PRE(x)		(((x)&0x000F)<<8) + +/* Bit definitions and macros for PMR */ +#define PIT_PMR_PM(x)		(x) + +/* Bit definitions and macros for PCNTR */ +#define PIT_PCNTR_PC(x)		(x) + +/****************************************************************************/ +#endif				/* timer_h */ |