92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/****************************************************************************
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* boards/arm/tiva/lm3s6432-s2e/src/lm_boot.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "arm_internal.h"
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#include "tiva_gpio.h"
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#include "lm3s6432-s2e.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#if defined(CONFIG_TIVA_UART1) && defined(CONFIG_TIVA_SSI0)
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# error Only one of UART1 and SSI0 can be enabled on this board.
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: tiva_boardinitialize
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*
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* Description:
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* All Stellaris architectures must provide the following entry point.
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* This entry point is called early in the initialization -- after all
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* memory has been configured and mapped but before any devices have been
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* initialized.
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*
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****************************************************************************/
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void tiva_boardinitialize(void)
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{
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/* Configure SPI chip selects if
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* 1) SSI is not disabled, and
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* 2) the weak function
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* lm_ssidev_initialize() has been brought into the link.
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*/
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#if defined(CONFIG_TIVA_SSI0)
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if (lm_ssidev_initialize)
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{
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lm_ssidev_initialize();
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}
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#endif
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/* Configure on-board LEDs if LED support has been selected. */
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#ifdef CONFIG_ARCH_LEDS
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board_autoled_initialize();
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#endif
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/* Configure serial transceiver */
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tiva_configgpio(XCVR_INV_GPIO);
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tiva_configgpio(XCVR_ENA_GPIO);
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tiva_configgpio(XCVR_ON_GPIO);
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tiva_configgpio(XCVR_OFF_GPIO);
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}
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