forked from Imagelibrary/rtems
9964895866
Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/**
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* @file
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*
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* @ingroup lpc176x
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*
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* @brief Startup code.
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*/
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/*
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* Copyright (c) 2008-2012 embedded brains GmbH. All rights reserved.
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*
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* embedded brains GmbH
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* Obere Lagerstr. 30
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <bsp.h>
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#include <bsp/io.h>
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#include <bsp/irq.h>
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#include <bsp/dma.h>
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#include <bsp/bootcard.h>
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#include <bsp/timer.h>
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#include <bsp/irq-generic.h>
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#include <bsp/system-clocks.h>
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#include <bsp/linker-symbols.h>
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#include <bsp/common-types.h>
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#include <bsp/uart-output-char.h>
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#ifdef LPC176X_HEAP_EXTEND
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LINKER_SYMBOL( lpc176x_region_heap_0_begin );
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LINKER_SYMBOL( lpc176x_region_heap_0_size );
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LINKER_SYMBOL( lpc176x_region_heap_0_end );
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LINKER_SYMBOL( lpc176x_region_heap_1_begin );
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LINKER_SYMBOL( lpc176x_region_heap_1_size );
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LINKER_SYMBOL( lpc176x_region_heap_1_end );
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extern Heap_Control *RTEMS_Malloc_Heap;
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#endif
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static void heap_extend( void )
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{
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#ifdef LPC176X_HEAP_EXTEND
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_Heap_Extend( RTEMS_Malloc_Heap,
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lpc176x_region_heap_0_begin,
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(uintptr_t) lpc176x_region_heap_0_size,
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NULL );
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_Heap_Extend( RTEMS_Malloc_Heap,
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lpc176x_region_heap_1_begin,
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(uintptr_t) lpc176x_region_heap_1_size,
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NULL );
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#endif
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}
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/**
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* @brief Console initialization
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*/
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static void initialize_console( void )
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{
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#ifdef LPC176X_CONFIG_CONSOLE
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lpc176x_module_enable( LPC176X_MODULE_UART_0, LPC176X_MODULE_PCLK_DEFAULT );
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lpc176x_pin_select( LPC176X_PIN_UART_0_TXD, LPC176X_PIN_FUNCTION_01 );
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lpc176x_pin_select( LPC176X_PIN_UART_0_RXD, LPC176X_PIN_FUNCTION_01 );
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BSP_CONSOLE_UART_INIT( LPC176X_PCLK / 16 / LPC176X_UART_BAUD );
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#endif
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}
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void bsp_start( void )
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{
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/* Initialize console */
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initialize_console();
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/*Initialize timer*/
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lpc176x_timer_init( LPC176X_TIMER_1 );
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lpc176x_timer_start( LPC176X_TIMER_1 );
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/* Interrupts */
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bsp_interrupt_initialize();
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/* DMA */
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lpc176x_dma_initialize();
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heap_extend();
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}
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