diff options
Diffstat (limited to 'arch/arm/mach-at91/include/mach/at91_wdt.h')
| -rw-r--r-- | arch/arm/mach-at91/include/mach/at91_wdt.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_wdt.h b/arch/arm/mach-at91/include/mach/at91_wdt.h new file mode 100644 index 0000000000..0644bbf3c6 --- /dev/null +++ b/arch/arm/mach-at91/include/mach/at91_wdt.h @@ -0,0 +1,43 @@ +/* + * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h] + * + * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * Copyright (C) 2007 Andrew Victor + * Copyright (C) 2007 Atmel Corporation. + * + * Watchdog Timer (WDT) - System peripherals regsters. + * Based on AT91SAM9261 datasheet revision D. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef AT91_WDT_H +#define AT91_WDT_H + +#ifdef __ASSEMBLY__ + +#define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04) + +#else + +typedef struct at91_wdt { + u32 cr; + u32 mr; + u32 sr; +} at91_wdt_t; + +#endif + +#define AT91_WDT_CR_WDRSTT 1 +#define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */ + +#define AT91_WDT_MR_WDV(x) (x & 0xfff) +#define AT91_WDT_MR_WDFIEN 0x00001000 +#define AT91_WDT_MR_WDRSTEN 0x00002000 +#define AT91_WDT_MR_WDRPROC 0x00004000 +#define AT91_WDT_MR_WDDIS 0x00008000 +#define AT91_WDT_MR_WDD(x) ((x & 0xfff) << 16) +#define AT91_WDT_MR_WDDBGHLT 0x10000000 +#define AT91_WDT_MR_WDIDLEHLT 0x20000000 + +#endif |