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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsARMLPC176X
*
* @brief Startup code.
*/
/*
* Copyright (c) 2008-2012 embedded brains GmbH. All rights reserved.
*
* 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/io.h>
#include <bsp/irq.h>
#include <bsp/dma.h>
#include <bsp/bootcard.h>
#include <bsp/timer.h>
#include <bsp/irq-generic.h>
#include <bsp/system-clocks.h>
#include <bsp/linker-symbols.h>
#include <bsp/common-types.h>
#include <bsp/uart-output-char.h>
#ifdef LPC176X_HEAP_EXTEND
LINKER_SYMBOL( lpc176x_region_heap_0_begin );
LINKER_SYMBOL( lpc176x_region_heap_0_size );
LINKER_SYMBOL( lpc176x_region_heap_0_end );
LINKER_SYMBOL( lpc176x_region_heap_1_begin );
LINKER_SYMBOL( lpc176x_region_heap_1_size );
LINKER_SYMBOL( lpc176x_region_heap_1_end );
extern Heap_Control *RTEMS_Malloc_Heap;
#endif
static void heap_extend( void )
{
#ifdef LPC176X_HEAP_EXTEND
_Heap_Extend( RTEMS_Malloc_Heap,
lpc176x_region_heap_0_begin,
(uintptr_t) lpc176x_region_heap_0_size,
NULL );
_Heap_Extend( RTEMS_Malloc_Heap,
lpc176x_region_heap_1_begin,
(uintptr_t) lpc176x_region_heap_1_size,
NULL );
#endif
}
/**
* @brief Console initialization
*/
static void initialize_console( void )
{
#ifdef LPC176X_CONFIG_CONSOLE
lpc176x_module_enable( LPC176X_MODULE_UART_0, LPC176X_MODULE_PCLK_DEFAULT );
lpc176x_pin_select( LPC176X_PIN_UART_0_TXD, LPC176X_PIN_FUNCTION_01 );
lpc176x_pin_select( LPC176X_PIN_UART_0_RXD, LPC176X_PIN_FUNCTION_01 );
BSP_CONSOLE_UART_INIT( LPC176X_PCLK / 16 / LPC176X_UART_BAUD );
#endif
}
void bsp_start( void )
{
/* Initialize console */
initialize_console();
/*Initialize timer*/
lpc176x_timer_init( LPC176X_TIMER_1 );
lpc176x_timer_start( LPC176X_TIMER_1 );
/* Interrupts */
bsp_interrupt_initialize();
/* DMA */
lpc176x_dma_initialize();
heap_extend();
}
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