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/**
* @file
*
* @ingroup RTEMSBSPsARMLPC176X
*
* @brief Startup code.
*/
/*
* Copyright (c) 2008-2012 embedded brains GmbH. All rights reserved.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#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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