mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 08:57:58 +00:00
118 lines
4.2 KiB
C
118 lines
4.2 KiB
C
/*
|
|
* 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 */
|