| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (C) 2011 Samsung Electronics |
| * Heungjun Kim <riverful.kim@samsung.com> |
| * Minkyu Kang <mk7.kang@samsung.com> |
| */ |
| |
| #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 |
