u-boot/arch/arm/include/asm/arch-lpc32xx/wdt.h
Vladimir Zapolskiy 52f69f818c arm926ejs: add NXP LPC32x0 cpu series support
This change adds initial support for NXP LPC32x0 SoC series.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
2012-05-15 08:31:21 +02:00

51 lines
1.7 KiB
C

/*
* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.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 _LPC32XX_WDT_H
#define _LPC32XX_WDT_H
#include <asm/types.h>
/* Watchdog Timer Registers */
struct wdt_regs {
u32 isr; /* Interrupt Status Register */
u32 ctrl; /* Control Register */
u32 counter; /* Counter Value Register */
u32 mctrl; /* Match Control Register */
u32 match0; /* Match 0 Register */
u32 emr; /* External Match Control Register */
u32 pulse; /* Reset Pulse Length Register */
u32 res; /* Reset Source Register */
};
/* Watchdog Timer Control Register bits */
#define WDTIM_CTRL_PAUSE_EN (1 << 2)
#define WDTIM_CTRL_RESET_COUNT (1 << 1)
#define WDTIM_CTRL_COUNT_ENAB (1 << 0)
/* Watchdog Timer Match Control Register bits */
#define WDTIM_MCTRL_RESFRC2 (1 << 6)
#define WDTIM_MCTRL_RESFRC1 (1 << 5)
#define WDTIM_MCTRL_M_RES2 (1 << 4)
#define WDTIM_MCTRL_M_RES1 (1 << 3)
#define WDTIM_MCTRL_STOP_COUNT0 (1 << 2)
#define WDTIM_MCTRL_RESET_COUNT0 (1 << 1)
#define WDTIM_MCTRL_MR0_INT (1 << 0)
#endif /* _LPC32XX_WDT_H */