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Diffstat (limited to '')
-rw-r--r-- | bsps/arm/xen/start/bspstart.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/bsps/arm/xen/start/bspstart.c b/bsps/arm/xen/start/bspstart.c new file mode 100644 index 0000000000..6b826fc917 --- /dev/null +++ b/bsps/arm/xen/start/bspstart.c @@ -0,0 +1,60 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (C) 2019 DornerWorks + * Written by Jeff Kubascik <jeff.kubascik@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 <libcpu/arm-cp15.h> + +void arm_generic_timer_get_config( uint32_t *frequency, uint32_t *irq ) +{ + *frequency = arm_cp15_get_counter_frequency(); + +#ifdef ARM_GENERIC_TIMER_USE_VIRTUAL + *irq = GUEST_TIMER_VIRT_PPI; +#else + *irq = GUEST_TIMER_PHYS_NS_PPI; +#endif +} + +/* + * bsp_start + * + * This routine does the bulk of the system initialization. + */ + +void bsp_start( void ) +{ + bsp_interrupt_initialize(); + rtems_cache_coherent_add_area( + bsp_section_nocacheheap_begin, + (uintptr_t) bsp_section_nocacheheap_size + ); +} |