85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/****************************************************************************
|
|
* boards/arm64/imx9/imx93-evk/src/imx9_usdhc.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <debug.h>
|
|
#include <errno.h>
|
|
#include <nuttx/mmcsd.h>
|
|
|
|
#include "imx9_usdhc.h"
|
|
#include "imx93-evk.h"
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
static struct sdio_dev_s *g_sdio_dev;
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: imx9_usdhc_init
|
|
*
|
|
* Description:
|
|
* Configure the uSDHC driver.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; A negated errno value is returned
|
|
* to indicate the nature of any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int imx9_usdhc_init(void)
|
|
{
|
|
int ret;
|
|
|
|
/* First, get an instance of the SDIO interface */
|
|
|
|
finfo("Initializing SDIO slot %d\n", SDIO_SLOTNO);
|
|
|
|
g_sdio_dev = imx9_usdhc_initialize(SDIO_SLOTNO);
|
|
if (!g_sdio_dev)
|
|
{
|
|
ferr("ERROR: Failed to initialize SDIO slot %d\n", SDIO_SLOTNO);
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* Now bind the SDIO interface to the MMC/SD driver */
|
|
|
|
finfo("Bind SDIO to the MMC/SD driver, minor=%d\n", SDIO_MINOR);
|
|
|
|
ret = mmcsd_slotinitialize(SDIO_MINOR, g_sdio_dev);
|
|
if (ret != OK)
|
|
{
|
|
ferr("ERROR: Failed to bind SDIO to the MMC/SD driver: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|