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- /*
- * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
- #include <asm/arcregs.h>
- #define NH_MODE (1 << 1) /* Disable timer if CPU is halted */
- int timer_init(void)
- {
- write_aux_reg(ARC_AUX_TIMER0_CTRL, NH_MODE);
- /* Set max value for counter/timer */
- write_aux_reg(ARC_AUX_TIMER0_LIMIT, 0xffffffff);
- /* Set initial count value and restart counter/timer */
- write_aux_reg(ARC_AUX_TIMER0_CNT, 0);
- return 0;
- }
- unsigned long timer_read_counter(void)
- {
- return read_aux_reg(ARC_AUX_TIMER0_CNT);
- }
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