| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright 2017-2019 NXP |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __IMX_WDOG_H |
| #define __IMX_WDOG_H |
| |
| #include <compiler.h> |
| |
| /* i.MX6/7D */ |
| #define WDT_WCR 0x00 |
| #define WDT_WCR_WDA BIT(5) |
| #define WDT_WCR_SRS BIT(4) |
| #define WDT_WCR_WRE BIT(3) |
| #define WDT_WCR_WDE BIT(2) |
| #define WDT_WCR_WDZST BIT(0) |
| |
| #define WDT_WSR 0x02 |
| #define WDT_SEQ1 0x5555 |
| #define WDT_SEQ2 0xAAAA |
| |
| /* 7ULP */ |
| #define WDOG_CNT 0x4 |
| #define WDOG_TOVAL 0x8 |
| |
| #define REFRESH_SEQ0 0xA602 |
| #define REFRESH_SEQ1 0xB480 |
| #define REFRESH ((REFRESH_SEQ1 << 16) | REFRESH_SEQ0) |
| |
| #define UNLOCK_SEQ0 0xC520 |
| #define UNLOCK_SEQ1 0xD928 |
| #define UNLOCK ((UNLOCK_SEQ1 << 16) | UNLOCK_SEQ0) |
| |
| #define WDOG_CS 0x0 |
| #define WDOG_CS_CMD32EN BIT(13) |
| #define WDOG_CS_ULK BIT(11) |
| #define WDOG_CS_RCS BIT(10) |
| #define WDOG_CS_EN BIT(7) |
| #define WDOG_CS_UPDATE BIT(5) |
| |
| /* Exposed for psci reset */ |
| void __noreturn imx_wdog_restart(void); |
| #endif |