| /* |
| * arch/arm/plat-ambarella/include/plat/wdt.h |
| * |
| * Author: Anthony Ginger <hfjiang@ambarella.com> |
| * |
| * Copyright (C) 2004-2010, Ambarella, Inc. |
| * |
| * 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 __PLAT_AMBARELLA_WDT_H__ |
| #define __PLAT_AMBARELLA_WDT_H__ |
| |
| /* ==========================================================================*/ |
| #define WDOG_OFFSET 0xC000 |
| #define WDOG_BASE (APB_BASE + WDOG_OFFSET) |
| #define WDOG_REG(x) (WDOG_BASE + (x)) |
| |
| /* ==========================================================================*/ |
| #define WDOG_STATUS_OFFSET 0x00 |
| #define WDOG_RELOAD_OFFSET 0x04 |
| #define WDOG_RESTART_OFFSET 0x08 |
| #define WDOG_CONTROL_OFFSET 0x0c |
| #define WDOG_TIMEOUT_OFFSET 0x10 |
| #define WDOG_CLR_TMO_OFFSET 0x14 |
| #define WDOG_RST_WD_OFFSET 0x18 |
| |
| #define WDOG_STATUS_REG WDOG_REG(WDOG_STATUS_OFFSET) |
| #define WDOG_RELOAD_REG WDOG_REG(WDOG_RELOAD_OFFSET) |
| #define WDOG_RESTART_REG WDOG_REG(WDOG_RESTART_OFFSET) |
| #define WDOG_CONTROL_REG WDOG_REG(WDOG_CONTROL_OFFSET) |
| #define WDOG_TIMEOUT_REG WDOG_REG(WDOG_TIMEOUT_OFFSET) |
| #define WDOG_CLR_TMO_REG WDOG_REG(WDOG_CLR_TMO_OFFSET) |
| #define WDOG_RST_WD_REG WDOG_REG(WDOG_RST_WD_OFFSET) |
| |
| #define WDOG_CTR_INT_EN 0x00000004 |
| #define WDOG_CTR_RST_EN 0x00000002 |
| #define WDOG_CTR_EN 0x00000001 |
| |
| /* WDOG_RESTART_REG only works with magic 0x4755. |
| * Set this value would transferred the value in |
| * WDOG_RELOAD_REG into WDOG_STATUS_REG and would |
| * not trigger the underflow event. */ |
| #define WDT_RESTART_VAL 0x4755 |
| |
| /* ==========================================================================*/ |
| |
| #endif /* __PLAT_AMBARELLA_WDT_H__ */ |
| |
