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/*
* Copyright (c) 2019 Stephanos Ioannidis <root@stephanos.io>
* Copyright (c) 2018 Xilinx, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_DRIVERS_TIMER_XLNX_PSTTC_TIMER_PRIV_H_
#define ZEPHYR_DRIVERS_TIMER_XLNX_PSTTC_TIMER_PRIV_H_
/*
* Refer to the "Zynq UltraScale+ Device Technical Reference Manual" document
* from Xilinx for more information on this peripheral.
*/
/*
* Triple-timer Counter (TTC) Register Offsets
*/
/* Clock Control Register */
#define XTTCPS_CLK_CNTRL_OFFSET 0x00000000U
/* Counter Control Register*/
#define XTTCPS_CNT_CNTRL_OFFSET 0x0000000CU
/* Current Counter Value */
#define XTTCPS_COUNT_VALUE_OFFSET 0x00000018U
/* Interval Count Value */
#define XTTCPS_INTERVAL_VAL_OFFSET 0x00000024U
/* Match 1 value */
#define XTTCPS_MATCH_0_OFFSET 0x00000030U
/* Match 2 value */
#define XTTCPS_MATCH_1_OFFSET 0x0000003CU
/* Match 3 value */
#define XTTCPS_MATCH_2_OFFSET 0x00000048U
/* Interrupt Status Register */
#define XTTCPS_ISR_OFFSET 0x00000054U
/* Interrupt Enable Register */
#define XTTCPS_IER_OFFSET 0x00000060U
/*
* Clock Control Register Definitions
*/
/* Prescale enable */
#define XTTCPS_CLK_CNTRL_PS_EN_MASK 0x00000001U
/* Prescale value */
#define XTTCPS_CLK_CNTRL_PS_VAL_MASK 0x0000001EU
/* Prescale shift */
#define XTTCPS_CLK_CNTRL_PS_VAL_SHIFT 1U
/* Prescale disable */
#define XTTCPS_CLK_CNTRL_PS_DISABLE 16U
/* Clock source */
#define XTTCPS_CLK_CNTRL_SRC_MASK 0x00000020U
/* External Clock edge */
#define XTTCPS_CLK_CNTRL_EXT_EDGE_MASK 0x00000040U
/*
* Counter Control Register Definitions
*/
/* Disable the counter */
#define XTTCPS_CNT_CNTRL_DIS_MASK 0x00000001U
/* Interval mode */
#define XTTCPS_CNT_CNTRL_INT_MASK 0x00000002U
/* Decrement mode */
#define XTTCPS_CNT_CNTRL_DECR_MASK 0x00000004U
/* Match mode */
#define XTTCPS_CNT_CNTRL_MATCH_MASK 0x00000008U
/* Reset counter */
#define XTTCPS_CNT_CNTRL_RST_MASK 0x00000010U
/* Enable waveform */
#define XTTCPS_CNT_CNTRL_EN_WAVE_MASK 0x00000020U
/* Waveform polarity */
#define XTTCPS_CNT_CNTRL_POL_WAVE_MASK 0x00000040U
/* Reset value */
#define XTTCPS_CNT_CNTRL_RESET_VALUE 0x00000021U
/*
* Interrupt Register Definitions
*/
/* Interval Interrupt */
#define XTTCPS_IXR_INTERVAL_MASK 0x00000001U
/* Match 1 Interrupt */
#define XTTCPS_IXR_MATCH_0_MASK 0x00000002U
/* Match 2 Interrupt */
#define XTTCPS_IXR_MATCH_1_MASK 0x00000004U
/* Match 3 Interrupt */
#define XTTCPS_IXR_MATCH_2_MASK 0x00000008U
/* Counter Overflow */
#define XTTCPS_IXR_CNT_OVR_MASK 0x00000010U
/* All valid Interrupts */
#define XTTCPS_IXR_ALL_MASK 0x0000001FU
/*
* Constants
*/
/* Maximum value of interval counter */
#define XTTC_MAX_INTERVAL_COUNT 0xFFFFFFFFU
#endif /* ZEPHYR_DRIVERS_TIMER_XLNX_PSTTC_TIMER_PRIV_H_ */