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32 /*****************************************************************************/
36 * @addtogroup ttcps_v3_5
39 * This file defines the hardware interface to one of the three timer counters
44 * MODIFICATION HISTORY:
46 * Ver Who Date Changes
47 * ----- ------ -------- -------------------------------------------------
48 * 1.00a drg/jz 01/21/10 First release
49 * 3.00 kvn 02/13/15 Modified code for MISRA-C:2012 compliance.
50 * 3.5 srm 10/06/17 Updated XTTCPS_COUNT_VALUE_MASK,
51 * XTTCPS_INTERVAL_VAL_MASK, XTTCPS_MATCH_MASK macros to
52 * mask 16 bit values for zynq and 32 bit values for
53 * zynq ultrascale+mpsoc "
56 ******************************************************************************/
58 #ifndef XTTCPS_HW_H /* prevent circular inclusions */
59 #define XTTCPS_HW_H /* by using protection macros */
65 /***************************** Include Files *********************************/
67 #include "xil_types.h"
68 #include "xil_assert.h"
71 /************************** Constant Definitions *****************************/
73 * Flag for a9 processor
75 #if !defined (ARMR5) && !defined (__aarch64__) && !defined (ARMA53_32)
79 /** @name Register Map
81 * Register offsets from the base address of the device.
85 #define XTTCPS_CLK_CNTRL_OFFSET 0x00000000U /**< Clock Control Register */
86 #define XTTCPS_CNT_CNTRL_OFFSET 0x0000000CU /**< Counter Control Register*/
87 #define XTTCPS_COUNT_VALUE_OFFSET 0x00000018U /**< Current Counter Value */
88 #define XTTCPS_INTERVAL_VAL_OFFSET 0x00000024U /**< Interval Count Value */
89 #define XTTCPS_MATCH_0_OFFSET 0x00000030U /**< Match 1 value */
90 #define XTTCPS_MATCH_1_OFFSET 0x0000003CU /**< Match 2 value */
91 #define XTTCPS_MATCH_2_OFFSET 0x00000048U /**< Match 3 value */
92 #define XTTCPS_ISR_OFFSET 0x00000054U /**< Interrupt Status Register */
93 #define XTTCPS_IER_OFFSET 0x00000060U /**< Interrupt Enable Register */
96 /** @name Clock Control Register
97 * Clock Control Register definitions
100 #define XTTCPS_CLK_CNTRL_PS_EN_MASK 0x00000001U /**< Prescale enable */
101 #define XTTCPS_CLK_CNTRL_PS_VAL_MASK 0x0000001EU /**< Prescale value */
102 #define XTTCPS_CLK_CNTRL_PS_VAL_SHIFT 1U /**< Prescale shift */
103 #define XTTCPS_CLK_CNTRL_PS_DISABLE 16U /**< Prescale disable */
104 #define XTTCPS_CLK_CNTRL_SRC_MASK 0x00000020U /**< Clock source */
105 #define XTTCPS_CLK_CNTRL_EXT_EDGE_MASK 0x00000040U /**< External Clock edge */
108 /** @name Counter Control Register
109 * Counter Control Register definitions
112 #define XTTCPS_CNT_CNTRL_DIS_MASK 0x00000001U /**< Disable the counter */
113 #define XTTCPS_CNT_CNTRL_INT_MASK 0x00000002U /**< Interval mode */
114 #define XTTCPS_CNT_CNTRL_DECR_MASK 0x00000004U /**< Decrement mode */
115 #define XTTCPS_CNT_CNTRL_MATCH_MASK 0x00000008U /**< Match mode */
116 #define XTTCPS_CNT_CNTRL_RST_MASK 0x00000010U /**< Reset counter */
117 #define XTTCPS_CNT_CNTRL_EN_WAVE_MASK 0x00000020U /**< Enable waveform */
118 #define XTTCPS_CNT_CNTRL_POL_WAVE_MASK 0x00000040U /**< Waveform polarity */
119 #define XTTCPS_CNT_CNTRL_RESET_VALUE 0x00000021U /**< Reset value */
122 /** @name Current Counter Value Register
123 * Current Counter Value Register definitions
127 #define XTTCPS_COUNT_VALUE_MASK 0x0000FFFFU /**< 16-bit counter value */
129 #define XTTCPS_COUNT_VALUE_MASK 0xFFFFFFFFU /**< 32-bit counter value */
133 /** @name Interval Value Register
134 * Interval Value Register is the maximum value the counter will count up or
139 #define XTTCPS_INTERVAL_VAL_MASK 0x0000FFFFU /**< 16-bit Interval value*/
141 #define XTTCPS_INTERVAL_VAL_MASK 0xFFFFFFFFU /**< 32-bit Interval value*/
145 /** @name Match Registers
146 * Definitions for Match registers, each timer counter has three match
151 #define XTTCPS_MATCH_MASK 0x0000FFFFU /**< 16-bit Match value */
153 #define XTTCPS_MATCH_MASK 0xFFFFFFFFU /**< 32-bit Match value */
155 #define XTTCPS_NUM_MATCH_REG 3U /**< Num of Match reg */
158 /** @name Interrupt Registers
159 * Following register bit mask is for all interrupt registers.
163 #define XTTCPS_IXR_INTERVAL_MASK 0x00000001U /**< Interval Interrupt */
164 #define XTTCPS_IXR_MATCH_0_MASK 0x00000002U /**< Match 1 Interrupt */
165 #define XTTCPS_IXR_MATCH_1_MASK 0x00000004U /**< Match 2 Interrupt */
166 #define XTTCPS_IXR_MATCH_2_MASK 0x00000008U /**< Match 3 Interrupt */
167 #define XTTCPS_IXR_CNT_OVR_MASK 0x00000010U /**< Counter Overflow */
168 #define XTTCPS_IXR_ALL_MASK 0x0000001FU /**< All valid Interrupts */
172 /***************** Macros (Inline Functions) Definitions *********************/
174 /****************************************************************************/
177 * Read the given Timer Counter register.
179 * @param BaseAddress is the base address of the timer counter device.
180 * @param RegOffset is the register offset to be read
182 * @return The 32-bit value of the register
184 * @note C-style signature:
185 * u32 XTtcPs_ReadReg(u32 BaseAddress, u32 RegOffset)
187 *****************************************************************************/
188 #define XTtcPs_ReadReg(BaseAddress, RegOffset) \
189 (Xil_In32((BaseAddress) + (u32)(RegOffset)))
191 /****************************************************************************/
194 * Write the given Timer Counter register.
196 * @param BaseAddress is the base address of the timer counter device.
197 * @param RegOffset is the register offset to be written
198 * @param Data is the 32-bit value to write to the register
202 * @note C-style signature:
203 * void XTtcPs_WriteReg(XTtcPs BaseAddress, u32 RegOffset,
206 *****************************************************************************/
207 #define XTtcPs_WriteReg(BaseAddress, RegOffset, Data) \
208 (Xil_Out32((BaseAddress) + (u32)(RegOffset), (u32)(Data)))
210 /****************************************************************************/
213 * Calculate a match register offset using the Match Register index.
215 * @param MatchIndex is the 0-2 value of the match register
217 * @return MATCH_N_OFFSET.
219 * @note C-style signature:
220 * u32 XTtcPs_Match_N_Offset(u8 MatchIndex)
222 *****************************************************************************/
223 #define XTtcPs_Match_N_Offset(MatchIndex) \
224 ((u32)XTTCPS_MATCH_0_OFFSET + ((u32)(12U) * (u32)(MatchIndex)))
226 /************************** Function Prototypes ******************************/
228 /************************** Variable Definitions *****************************/
232 #endif /* end of protection macro */