diff options
Diffstat (limited to 'arch/arm/mach-s5pc1xx/include/mach/watchdog.h')
| -rw-r--r-- | arch/arm/mach-s5pc1xx/include/mach/watchdog.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pc1xx/include/mach/watchdog.h b/arch/arm/mach-s5pc1xx/include/mach/watchdog.h new file mode 100644 index 0000000000..2f9746c2f9 --- /dev/null +++ b/arch/arm/mach-s5pc1xx/include/mach/watchdog.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2011 Samsung Electronics + * Heungjun Kim <riverful.kim@samsung.com> + * Minkyu Kang <mk7.kang@samsung.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARM_ARCH_WATCHDOG_H_ +#define __ASM_ARM_ARCH_WATCHDOG_H_ + +#define WTCON_RESET_OFFSET 0 +#define WTCON_INTEN_OFFSET 2 +#define WTCON_CLKSEL_OFFSET 3 +#define WTCON_EN_OFFSET 5 +#define WTCON_PRE_OFFSET 8 + +#define WTCON_CLK_16 0x0 +#define WTCON_CLK_32 0x1 +#define WTCON_CLK_64 0x2 +#define WTCON_CLK_128 0x3 + +#define WTCON_CLK(x) ((x & 0x3) << WTCON_CLKSEL_OFFSET) +#define WTCON_PRESCALER(x) ((x) << WTCON_PRE_OFFSET) +#define WTCON_EN (0x1 << WTCON_EN_OFFSET) +#define WTCON_RESET (0x1 << WTCON_RESET_OFFSET) +#define WTCON_INT (0x1 << WTCON_INTEN_OFFSET) + +#ifndef __ASSEMBLY__ +struct s5p_watchdog { + unsigned int wtcon; + unsigned int wtdat; + unsigned int wtcnt; + unsigned int wtclrint; +}; + +/* functions */ +void wdt_stop(void); +void wdt_start(unsigned int timeout); +#endif /* __ASSEMBLY__ */ + +#endif |
