94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/****************************************************************************
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* boards/arm/rp2040/raspberrypi-pico/src/rp2040-boardinitialize.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 "arm_arch.h"
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#include "arm_internal.h"
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#include "rp2040_gpio.h"
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#include "hardware/rp2040_pads_bank0.h"
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#include "hardware/rp2040_io_bank0.h"
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#include "hardware/rp2040_sio.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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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: rp2040_boardearlyinitialize
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*
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* Description:
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*
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****************************************************************************/
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void rp2040_boardearlyinitialize(void)
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{
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/* Disable IE on GPIO 26-29 */
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clrbits_reg32(RP2040_PADS_BANK0_GPIO_IE, RP2040_PADS_BANK0_GPIO(26));
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clrbits_reg32(RP2040_PADS_BANK0_GPIO_IE, RP2040_PADS_BANK0_GPIO(27));
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clrbits_reg32(RP2040_PADS_BANK0_GPIO_IE, RP2040_PADS_BANK0_GPIO(28));
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clrbits_reg32(RP2040_PADS_BANK0_GPIO_IE, RP2040_PADS_BANK0_GPIO(29));
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/* Set default UART TX,RX pin */
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rp2040_gpio_set_function(BOARD_GPIO_UART_PIN,
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RP2040_IO_BANK0_GPIO_CTRL_FUNCSEL_UART);
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rp2040_gpio_set_function(BOARD_GPIO_UART_PIN + 1,
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RP2040_IO_BANK0_GPIO_CTRL_FUNCSEL_UART);
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/* Set board LED pin */
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rp2040_gpio_set_function(BOARD_GPIO_LED_PIN,
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RP2040_IO_BANK0_GPIO_CTRL_FUNCSEL_SIO);
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putreg32(1 << BOARD_GPIO_LED_PIN, RP2040_SIO_GPIO_OE_SET);
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putreg32(1 << BOARD_GPIO_LED_PIN, RP2040_SIO_GPIO_OUT_SET);
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}
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/****************************************************************************
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* Name: rp2040_boardinitialize
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*
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* Description:
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*
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****************************************************************************/
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void rp2040_boardinitialize(void)
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{
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}
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