zephyr/boards/digilent/arty_a7/board.h

41 lines
1.0 KiB
C

/*
* Copyright (c) 2020 Henrik Brix Andersen <henrik@brixandersen.dk>
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __INC_BOARD_H
#define __INC_BOARD_H
enum board_daplink_qspi_mux_mode {
/* eXecute-In-Place mode */
BOARD_DAPLINK_QSPI_MUX_MODE_XIP,
/* Normal mode */
BOARD_DAPLINK_QSPI_MUX_MODE_NORMAL,
};
/**
* @brief Select the mode of the DAPlink QSPI multiplexer.
*
* Note: The multiplexer mode must not be changed while executing code from the
* off-board QSPI flash in XIP mode.
*
* @param mode The multiplexer mode to be selected.
*
* @retval 0 If successful, negative errno otherwise.
*/
int board_daplink_qspi_mux_select(enum board_daplink_qspi_mux_mode mode);
/**
* @brief Determine if the DAPlink shield is fitted.
*
* Determine if the DAPlink shield is fitted based on the state of the
* DAPLINK_fitted_n signal.
*
* @retval true If the DAPlink shield is fitted.
* @retval false If the DAPlink shield is not fitted.
*/
bool board_daplink_is_fitted(void);
#endif /* __INC_BOARD_H */