forked from Imagelibrary/rtems
1480c3f5e8
This breaks AArch32-specific portions of the ARM GPT driver into their own file so that the generic code can be moved for reuse by other architectures.
62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (C) 2019 DornerWorks
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* Written by Jeff Kubascik <jeff.kubascik@dornerworks.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <bsp.h>
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#include <bsp/bootcard.h>
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#include <bsp/irq-generic.h>
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#include <bsp/linker-symbols.h>
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#include <dev/clock/arm-generic-timer.h>
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#include <libcpu/arm-cp15.h>
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void arm_generic_timer_get_config( uint32_t *frequency, uint32_t *irq )
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{
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*frequency = arm_cp15_get_counter_frequency();
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#ifdef ARM_GENERIC_TIMER_USE_VIRTUAL
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*irq = GUEST_TIMER_VIRT_PPI;
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#else
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*irq = GUEST_TIMER_PHYS_NS_PPI;
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#endif
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}
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/*
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* bsp_start
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*
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* This routine does the bulk of the system initialization.
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*/
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void bsp_start( void )
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{
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bsp_interrupt_initialize();
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rtems_cache_coherent_add_area(
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bsp_section_nocacheheap_begin,
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(uintptr_t) bsp_section_nocacheheap_size
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);
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}
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