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- #include <stdint.h>
- #include <drivers/arm/sp805.h>
- #include <lib/mmio.h>
- static inline void sp805_write_wdog_load(uintptr_t base, uint32_t value)
- {
- mmio_write_32(base + SP805_WDOG_LOAD_OFF, value);
- }
- static inline void sp805_write_wdog_ctrl(uintptr_t base, uint32_t value)
- {
- mmio_write_32(base + SP805_WDOG_CTR_OFF, value);
- }
- static inline void sp805_write_wdog_lock(uintptr_t base, uint32_t value)
- {
- mmio_write_32(base + SP805_WDOG_LOCK_OFF, value);
- }
- void sp805_start(uintptr_t base, unsigned int ticks)
- {
- sp805_write_wdog_load(base, ticks);
- sp805_write_wdog_ctrl(base, SP805_CTR_RESEN | SP805_CTR_INTEN);
-
- sp805_write_wdog_lock(base, 0U);
- }
- void sp805_stop(uintptr_t base)
- {
- sp805_write_wdog_lock(base, WDOG_UNLOCK_KEY);
- sp805_write_wdog_ctrl(base, 0U);
- }
- void sp805_refresh(uintptr_t base, unsigned int ticks)
- {
- sp805_write_wdog_lock(base, WDOG_UNLOCK_KEY);
- sp805_write_wdog_load(base, ticks);
- sp805_write_wdog_lock(base, 0U);
- }
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