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38 lines
903 B
C
38 lines
903 B
C
#ifndef EXOSPHERE_TIMERS_H
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#define EXOSPHERE_TIMERS_H
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#include <stdint.h>
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#include "memory_map.h"
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/* Exosphere driver for the Tegra X1 Timers. */
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static inline uintptr_t get_timers_base(void) {
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return MMIO_GET_DEVICE_ADDRESS(MMIO_DEVID_TMRs_WDTs);
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}
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#define TIMERS_BASE (get_timers_base())
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#define MAKE_TIMERS_REG(n) MAKE_REG32(TIMERS_BASE + n)
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#define TIMERUS_CNTR_1US_0 MAKE_REG32(TIMERS_BASE + 0x10)
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typedef struct {
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uint32_t CONFIG;
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uint32_t STATUS;
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uint32_t COMMAND;
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uint32_t PATTERN;
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} watchdog_timers_t;
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#define GET_WDT(n) ((volatile watchdog_timers_t *)(TIMERS_BASE + 0x100 + 0x20 * n))
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#define WDT_REBOOT_PATTERN 0xC45A
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#define GET_WDT_REBOOT_CFG_REG(n) MAKE_REG32(TIMERS_BASE + 0x60 + 0x8*n)
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void wait(uint32_t microseconds);
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static inline uint32_t get_time(void) {
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return TIMERUS_CNTR_1US_0;
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}
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__attribute__ ((noreturn)) void watchdog_reboot(void);
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#endif
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