/*
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (C) 2013, 2015 embedded brains GmbH
 *
 * Copyright (C) 2019 DornerWorks
 *
 * Written by Jeff Kubascik <jeff.kubascik@dornerworks.com>
 *        and Josh Whitehead <josh.whitehead@dornerworks.com>
 *
 * 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/bootcard.h>
#include <bsp/irq-generic.h>
#include <bsp/linker-symbols.h>
#include <dev/clock/arm-generic-timer.h>

#include <libcpu/arm-cp15.h>

void arm_generic_timer_get_config(uint32_t *frequency, uint32_t *irq)
{
#ifdef ARM_GENERIC_TIMER_FREQ
  *frequency = ARM_GENERIC_TIMER_FREQ;
#else
  /* Use generic timer frequency provided by boot loader */
  *frequency = arm_cp15_get_counter_frequency();
#endif

#ifdef ARM_GENERIC_TIMER_USE_VIRTUAL
  *irq = ZYNQMP_IRQ_VIRT_TIMER;
#else
  *irq = ZYNQMP_IRQ_NS_PHYS_TIMER;
#endif
}

void bsp_start(void)
{
  bsp_interrupt_initialize();
  rtems_cache_coherent_add_area(
    bsp_section_nocacheheap_begin,
    (uintptr_t) bsp_section_nocacheheap_size
  );
}