diff options
Diffstat (limited to 'timer.h')
| -rw-r--r-- | timer.h | 92 |
1 files changed, 38 insertions, 54 deletions
@@ -1,55 +1,39 @@ /* - Nios-sim - one simple NIOSII simulator only for personal interest and fun. - Copyright (C) 2010 chysun2000@gmail.com - - 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., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#ifndef __TIMER_H__ -#define __TIMER_H__ - -#include <stdio.h> -#include "public.h" -#include "niosii.h" -#include "io_device.h" - -#define TIMER_REG_CNT (6) -#define TIMER_BASE_ADDR (0x80681020) - -#define CTRL_ITO_MASK (0x01) -#define CTRL_CONT_MASK (0x02) -#define CTRL_START_MASK (0x04) -#define CTRL_STOP_MASK (0x08) - -#define STATUS_TO_MASK (0x01) -#define TIM_IRQ_MASK (1 << 3) -struct timer_hw{ - struct io_reg io_regs[TIMER_REG_CNT]; - uint32_t set_period; - uint32_t curr_count; - -}; - -/* the index */ -#define TIM_REG_STATUS (0) -#define TIM_REG_CTRL (1) -#define TIM_REG_PERIODL (2) -#define TIM_REG_PERIODH (3) -#define TIM_REG_SNAPL (4) -#define TIM_REG_SNAPH (5) - -extern struct io_device timer_core; -#endif - + * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch> + * Copyright (C) 2010 chysun2000@gmail.com + * + * This file is part of nios2sim-ng. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _TIMER_H_ +#define _TIMER_H_ + +#include "device.h" + +#define TIMER_BASE 0x84842000 +#define TIMER_SIZE 48 +#define TIMER_IRQ IRQ_TIMER +#define TIMER_REG_COUNT (TIMER_SIZE / sizeof(uint32_t)) + +#define TIMER_STATUS_REG 0 +#define TIMER_CTRL_REG 1 +#define TIMER_PERIODL_REG 2 +#define TIMER_PERIODH_REG 3 +#define TIMER_SNAPL_REG 4 +#define TIMER_SNAPH_REG 5 + +#define TIMER_STATUS_TO_MASK 0x01 +#define TIMER_STATUS_RUN_MASK 0x02 + +#define TIMER_CTRL_ITO_MASK 0x01 +#define TIMER_CTRL_CONT_MASK 0x02 +#define TIMER_CTRL_START_MASK 0x04 +#define TIMER_CTRL_STOP_MASK 0x08 + +extern struct device timer_core; + +#endif /* _TIMER_H_ */ |