/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 1989-2013.
* 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.
*/
#include <bsp.h>
#include <bsp/irq.h>
#include <bspopts.h>
/* XXX convert to macros? Move to score/cpu? */
void mips_set_timer(uint32_t timer_clock_interval);
uint32_t mips_get_timer(void);
/* XXX move to BSP.h or irq.h?? */
#define EXT_INT5 0x8000 /* external interrupt 5 */
#define CLOCK_VECTOR_MASK EXT_INT5
#define CLOCK_VECTOR (MIPS_INTERRUPT_BASE+0x7)
extern uint32_t bsp_clicks_per_microsecond;
static uint32_t mips_timer_rate = 0;
/* refresh the internal CPU timer */
#define Clock_driver_support_at_tick(arg) \
mips_set_timer( mips_timer_rate );
#define Clock_driver_support_install_isr( _new ) \
rtems_interrupt_handler_install(CLOCK_VECTOR, "PIT clock",0, _new, NULL)
#define Clock_driver_support_initialize_hardware() \
do { \
mips_timer_rate = rtems_configuration_get_microseconds_per_tick() * \
bsp_clicks_per_microsecond; \
mips_set_timer( mips_timer_rate ); \
mips_enable_in_interrupt_mask(CLOCK_VECTOR_MASK); \
} while(0)
#define CLOCK_DRIVER_USE_DUMMY_TIMECOUNTER
#include "../../../shared/dev/clock/clockimpl.h"