/*
* Copyright (c) 2009 Vineeth Pillai
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/** @addtogroup kernel_arm32
* @{
*/
/** @file
* @brief Definitions of machine specific functions.
*
* These functions enable to differentiate more kinds of ARM emulators
* or CPUs. It's the same concept as "arch" functions on the architecture
* level.
*/
#include <arch/machine_func.h>
#include <arch/mach/gta02/gta02.h>
#include <arch/mach/integratorcp/integratorcp.h>
#include <arch/mach/beagleboardxm/beagleboardxm.h>
#include <arch/mach/beaglebone/beaglebone.h>
#include <arch/mach/raspberrypi/raspberrypi.h>
/** Pointer to machine_ops structure being used. */
struct arm_machine_ops *machine_ops;
/** Initialize machine_ops pointer. */
void machine_ops_init(void)
{
#if defined(MACHINE_gta02)
machine_ops = >a02_machine_ops;
#elif defined(MACHINE_integratorcp)
machine_ops = &icp_machine_ops;
#elif defined(MACHINE_beagleboardxm)
machine_ops = &bbxm_machine_ops;
#elif defined(MACHINE_beaglebone)
machine_ops = &bbone_machine_ops;
#elif defined(MACHINE_raspberrypi)
machine_ops = &raspberrypi_machine_ops;
#else
#error Machine type not defined.
#endif
}
/** Maps HW devices to the kernel address space using #hw_map. */
void machine_init(void)
{
(machine_ops->machine_init)();
}
/** Starts timer. */
void machine_timer_irq_start(void)
{
(machine_ops->machine_timer_irq_start)();
}
/** Halts CPU. */
void machine_cpu_halt(void)
{
(machine_ops->machine_cpu_halt)();
}
/** Get extents of available memory.
*
* @param start Place to store memory start address.
* @param size Place to store memory size.
*/
void machine_get_memory_extents(uintptr_t *start, size_t *size)
{
(machine_ops->machine_get_memory_extents)(start, size);
}
/** Interrupt exception handler.
*
* @param exc_no Interrupt exception number.
* @param istate Saved processor state.
*/
void machine_irq_exception(unsigned int exc_no, istate_t *istate)
{
(machine_ops->machine_irq_exception)(exc_no, istate);
}
/*
* Machine specific frame initialization
*/
void machine_frame_init(void)
{
(machine_ops->machine_frame_init)();
}
/*
* configure the output device.
*/
void machine_output_init(void)
{
(machine_ops->machine_output_init)();
}
/*
* configure the input device.
*/
void machine_input_init(void)
{
(machine_ops->machine_input_init)();
}
/** Get IRQ number range used by machine. */
size_t machine_get_irq_count(void)
{
return (machine_ops->machine_get_irq_count)();
}
const char *machine_get_platform_name(void)
{
if (machine_ops->machine_get_platform_name)
return machine_ops->machine_get_platform_name();
return NULL;
}
/** @}
*/