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| 1 | /* SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | * |
| 3 | * include/asm-sh/cpu-sh4/watchdog.h |
| 4 | * |
| 5 | * Copyright (C) 2002, 2003 Paul Mundt |
| 6 | * Copyright (C) 2009 Siemens AG |
| 7 | * Copyright (C) 2009 Sitdikov Valentin |
| 8 | */ |
| 9 | #ifndef __ASM_CPU_SH4_WATCHDOG_H |
| 10 | #define __ASM_CPU_SH4_WATCHDOG_H |
| 11 | |
| 12 | #if defined(CONFIG_CPU_SUBTYPE_SH7785) || defined(CONFIG_CPU_SUBTYPE_SH7780) |
| 13 | /* Prefix definition */ |
| 14 | #define WTBST_HIGH 0x55 |
| 15 | /* Register definitions */ |
| 16 | #define WTCNT_R 0xffcc0010 /*WDTCNT*/ |
| 17 | #define WTCSR 0xffcc0004 /*WDTCSR*/ |
| 18 | #define WTCNT 0xffcc0000 /*WDTST*/ |
| 19 | #define WTST WTCNT |
| 20 | #define WTBST 0xffcc0008 /*WDTBST*/ |
| 21 | /* Register definitions */ |
| 22 | #elif defined(CONFIG_CPU_SUBTYPE_SH7722) || \ |
| 23 | defined(CONFIG_CPU_SUBTYPE_SH7723) || \ |
| 24 | defined(CONFIG_CPU_SUBTYPE_SH7724) |
| 25 | #define WTCNT 0xa4520000 |
| 26 | #define WTCSR 0xa4520004 |
| 27 | #else |
| 28 | /* Register definitions */ |
| 29 | #define WTCNT 0xffc00008 |
| 30 | #define WTCSR 0xffc0000c |
| 31 | #endif |
| 32 | |
| 33 | /* Bit definitions */ |
| 34 | #define WTCSR_TME 0x80 |
| 35 | #define WTCSR_WT 0x40 |
| 36 | #define WTCSR_RSTS 0x20 |
| 37 | #define WTCSR_WOVF 0x10 |
| 38 | #define WTCSR_IOVF 0x08 |
| 39 | |
| 40 | #endif /* __ASM_CPU_SH4_WATCHDOG_H */ |
| 41 | |
| 42 |
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