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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