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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsARMLPC24XX
*
* @brief Startup code.
*/
/*
* Copyright (c) 2008-2014 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/bootcard.h>
#include <bsp/dma.h>
#include <bsp/io.h>
#include <bsp/irq-generic.h>
#include <bsp/irq.h>
#include <bsp/linker-symbols.h>
#include <bsp/lpc24xx.h>
#include <bsp/system-clocks.h>
#include <bsp/uart-output-char.h>
#ifdef LPC24XX_HEAP_EXTEND
LINKER_SYMBOL(lpc24xx_region_heap_0_begin);
LINKER_SYMBOL(lpc24xx_region_heap_0_size);
LINKER_SYMBOL(lpc24xx_region_heap_0_end);
LINKER_SYMBOL(lpc24xx_region_heap_1_begin);
LINKER_SYMBOL(lpc24xx_region_heap_1_size);
LINKER_SYMBOL(lpc24xx_region_heap_1_end);
extern Heap_Control *RTEMS_Malloc_Heap;
#endif
static void heap_extend(void)
{
#ifdef LPC24XX_HEAP_EXTEND
_Heap_Extend(
RTEMS_Malloc_Heap,
lpc24xx_region_heap_0_begin,
(uintptr_t) lpc24xx_region_heap_0_size,
0
);
_Heap_Extend(
RTEMS_Malloc_Heap,
lpc24xx_region_heap_1_begin,
(uintptr_t) lpc24xx_region_heap_1_size,
0
);
#endif
}
static void initialize_console(void)
{
#ifdef LPC24XX_CONFIG_CONSOLE
static const lpc24xx_pin_range pins [] = {
LPC24XX_PIN_UART_0_TXD,
LPC24XX_PIN_UART_0_RXD,
LPC24XX_PIN_TERMINAL
};
lpc24xx_module_enable(LPC24XX_MODULE_UART_0, LPC24XX_MODULE_PCLK_DEFAULT);
lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION);
BSP_CONSOLE_UART_INIT(LPC24XX_PCLK / 16 / LPC24XX_UART_BAUD);
#endif
}
void bsp_start(void)
{
/* Initialize Timer 1 */
lpc24xx_module_enable(LPC24XX_MODULE_TIMER_1, LPC24XX_MODULE_PCLK_DEFAULT);
/* Initialize standard timer */
lpc24xx_timer_initialize();
initialize_console();
/* Interrupts */
bsp_interrupt_initialize();
/* DMA */
lpc24xx_dma_initialize();
heap_extend();
}
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