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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2017-08-08 Yang the first version
* 2019-07-19 Magicoe The first version for LPC55S6x
*/
#include <string.h>
#include <board.h>
#include "fsl_common.h"
#include "fsl_iocon.h"
#include "fsl_sdif.h"
#include "fsl_sd.h"
#include "drv_sd.h"
#include <finsh.h>
#include <dfs.h>
#include <dfs_fs.h>
#include "board.h"
static struct mci_device *_mci_device;
static uint8_t sdio_buffer[1024];
#ifdef RT_USING_SDIO
static rt_err_t rt_mci_init(rt_device_t dev)
{
rt_err_t result = RT_EOK;
return result;
}
static rt_err_t rt_mci_open(rt_device_t dev, rt_uint16_t oflag)
{
return RT_EOK;
}
static rt_err_t rt_mci_close(rt_device_t dev)
{
return RT_EOK;
}
static rt_size_t rt_mci_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
{
rt_uint8_t status = kStatus_Success;
struct mci_device *mci = (struct mci_device *)dev;
rt_mutex_take(&mci->lock, RT_WAITING_FOREVER);
{
/* non-aligned. */
uint32_t i;
rt_size_t sector_adr;
uint8_t* copy_buffer;
sector_adr = pos;
copy_buffer = (uint8_t*)buffer;
for(i=0; i<size; i++)
{
status=SD_ReadBlocks(&mci->card, sdio_buffer, sector_adr, 1);
memcpy(copy_buffer, sdio_buffer, mci->card.blockSize);
sector_adr ++;
copy_buffer += mci->card.blockSize;
}
}
rt_mutex_release(&_mci_device->lock);
if (status == kStatus_Success) return size;
return 0;
}
static rt_size_t rt_mci_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
{
rt_uint8_t status = kStatus_Success;
struct mci_device *mci = (struct mci_device *)dev;
rt_mutex_take(&mci->lock, RT_WAITING_FOREVER);
{
/* non-aligned. */
uint32_t i;
rt_size_t sector_adr;
uint8_t* copy_buffer;
sector_adr = pos;
copy_buffer = (uint8_t*)buffer;
for(i = 0; i < size; i++)
{
memcpy(sdio_buffer, copy_buffer, mci->card.blockSize);
status = SD_WriteBlocks(&mci->card, sdio_buffer, sector_adr, 1);
sector_adr ++;
copy_buffer += mci->card.blockSize;
}
}
/* release and exit */
rt_mutex_release(&_mci_device->lock);
if (status == kStatus_Success) return size;
return 0;
}
static rt_err_t rt_mci_control(rt_device_t dev, int cmd, void *args)
{
struct mci_device *mci = (struct mci_device *)dev;
RT_ASSERT(dev != RT_NULL);
if (cmd == RT_DEVICE_CTRL_BLK_GETGEOME)
{
struct rt_device_blk_geometry *geometry;
geometry = (struct rt_device_blk_geometry *)args;
if (geometry == RT_NULL) return -RT_ERROR;
geometry->bytes_per_sector = mci->card.blockSize;
geometry->block_size = mci->card.csd.eraseSectorSize;
geometry->sector_count = mci->card.blockCount;
}
return RT_EOK;
}
/*! @brief SDMMC host detect card configuration */
static const sdmmchost_detect_card_t s_sdCardDetect = {
.cdType = BOARD_SD_DETECT_TYPE,
.cdTimeOut_ms = (~0U),
};
/*! @brief Card descriptor. */
sd_card_t g_sd;
int rt_hw_mci_init(void)
{
_mci_device = (struct mci_device *)rt_malloc(sizeof(struct mci_device));
if (_mci_device == RT_NULL)
{
rt_kprintf("mci_hw_init _mci_device rt_malloc failed!\n");
return -RT_ERROR;
}
rt_memset(_mci_device, 0, sizeof(struct mci_device));
/* attach main clock to SDIF */
CLOCK_AttachClk(kMAIN_CLK_to_SDIO_CLK);
/* need call this function to clear the halt bit in clock divider register */
CLOCK_SetClkDiv(kCLOCK_DivSdioClk, (uint32_t)(SystemCoreClock / FSL_FEATURE_SDIF_MAX_SOURCE_CLOCK + 1U), true);
_mci_device->card = g_sd;
/* Save host information. */
_mci_device->card.host.base = SDIF;
_mci_device->card.host.sourceClock_Hz = CLOCK_GetFreq(kCLOCK_SDio);
_mci_device->card.usrParam.cd = &s_sdCardDetect;
#if 1
rt_kprintf("\r\nNeed wait a few seconds to SD init, Better Set SystemTick as 1000\r\n");
rt_kprintf("SDCard Freq %d\r\n", _mci_device->card.host.sourceClock_Hz);
#endif
if (kStatus_Success != SD_HostInit(&_mci_device->card))
{
memset(&_mci_device->card, 0U, sizeof(_mci_device->card));
rt_kprintf("SD_Init failed!\n");
return -RT_ERROR;
}
/* power off card */
SD_PowerOffCard(_mci_device->card.host.base, _mci_device->card.usrParam.pwr);
/* check SD card insert */
if(BOARD_SDIF_CD_STATUS() == true)
{
rt_kprintf("\r\nCard detect fail.\r\n");
return kStatus_Fail;
}
/* wait card insert */
if (SD_WaitCardDetectStatus(_mci_device->card.host.base, &s_sdCardDetect, true) == kStatus_Success)
{
/* reset host once card re-plug in */
SD_HostReset(&(_mci_device->card.host));
/* power on the card */
SD_PowerOnCard(_mci_device->card.host.base, _mci_device->card.usrParam.pwr);
}
else
{
rt_kprintf("\r\nCard detect fail.\r\n");
return kStatus_Fail;
}
/* Init card. */
if (SD_CardInit(&_mci_device->card))
{
rt_kprintf("\r\nSD card init failed.\r\n");
return kStatus_Fail;
}
/* initialize mutex lock */
rt_mutex_init(&_mci_device->lock, "sdcard0", RT_IPC_FLAG_FIFO);
/* create finish event */
_mci_device->finish_event = rt_event_create("sdcard0", RT_IPC_FLAG_FIFO);
/* register sdcard device */
_mci_device->parent.type = RT_Device_Class_Block;
_mci_device->geometry.bytes_per_sector = 0;
_mci_device->geometry.sector_count = 0;
_mci_device->geometry.block_size = 0;
_mci_device->parent.init = rt_mci_init;
_mci_device->parent.open = rt_mci_open;
_mci_device->parent.close = rt_mci_close;
_mci_device->parent.read = rt_mci_read;
_mci_device->parent.write = rt_mci_write;
_mci_device->parent.control = rt_mci_control;
/* no private, no callback */
_mci_device->parent.user_data = RT_NULL;
_mci_device->parent.rx_indicate = RT_NULL;
_mci_device->parent.tx_complete = RT_NULL;
rt_device_register(&_mci_device->parent, "sdcard0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE );
return 0;
}
INIT_DEVICE_EXPORT(rt_hw_mci_init);
#endif /* endif RT_USING_SDIO */
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