microblaze-timer.h

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/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 * Copyright (C) 2021 On-Line Applications Research Corporation (OAR)
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef LIBBSP_MICROBLAZE_FPGA_TIMER_H
#define LIBBSP_MICROBLAZE_FPGA_TIMER_H
 
#include <bspopts.h>
 
#include <bsp/utility.h>
/* References
 * https://docs.xilinx.com/v/u/en-US/pg079-axi-timer
 */
 
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
 
  typedef struct
  {
#define MICROBLAZE_TIMER_TCSR0_T0INT BSP_BIT32 ( 8 )
#define MICROBLAZE_TIMER_TCSR0_ENT0 BSP_BIT32 ( 7 )
#define MICROBLAZE_TIMER_TCSR0_ENIT0 BSP_BIT32 ( 6 )
#define MICROBLAZE_TIMER_TCSR0_LOAD0 BSP_BIT32 ( 5 )
#define MICROBLAZE_TIMER_TCSR0_ARHT0 BSP_BIT32 ( 4 )
#define MICROBLAZE_TIMER_TCSR0_GENT0 BSP_BIT32 ( 2 )
#define MICROBLAZE_TIMER_TCSR0_UDT0 BSP_BIT32 ( 1 )
    /* Control/Status register
     * Offset 0x0
     */
    uint32_t tcsr0;
    /* Load register
     * Offset 0x4
     */
    uint32_t tlr0;
    /* Timer counter register
     * Offset 0x8
     */
    uint32_t tcr0;
 
    /* Reserved
     * Offset 0xc
     */
    uint32_t rsvd0;
 
    /* Control/Status register
     * Offset 0x10
     */
    uint32_t tcsr1;
    /* Load register
     * Offset 0x14
     */
    uint32_t tlr1;
    /* Timer counter register
     * Offset 0x18
     */
    uint32_t tcr1;
    /* Reserved
     * Offset 0x1c
     */
    uint32_t rsvd1;
  } Microblaze_Timer;
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
 
#endif /* LIBBSP_MICROBLAZE_FPGA_TIMER_H */