443 lines
20 KiB
C
443 lines
20 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2017-08-08 Yang the first version
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*/
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#include <string.h>
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#include <board.h>
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#include "drv_sd.h"
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static struct mci_device *_mci_device;
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static uint8_t sdio_buffer[1024];
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static rt_err_t rt_mci_init(rt_device_t dev)
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{
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rt_err_t result = RT_EOK;
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return result;
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}
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static rt_err_t rt_mci_open(rt_device_t dev, rt_uint16_t oflag)
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{
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return RT_EOK;
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}
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static rt_err_t rt_mci_close(rt_device_t dev)
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{
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return RT_EOK;
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}
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static rt_size_t rt_mci_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
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{
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rt_uint8_t status = kStatus_Success;
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struct mci_device *mci = (struct mci_device *)dev;
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rt_mutex_take(&mci->lock, RT_WAITING_FOREVER);
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{
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/* non-aligned. */
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uint32_t i;
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rt_size_t sector_adr;
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uint8_t* copy_buffer;
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sector_adr = pos;
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copy_buffer = (uint8_t*)buffer;
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for(i=0; i<size; i++)
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{
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status=SD_ReadBlocks(&mci->card, sdio_buffer, sector_adr, 1);
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memcpy(copy_buffer, sdio_buffer, mci->card.blockSize);
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sector_adr ++;
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copy_buffer += mci->card.blockSize;
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}
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}
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rt_mutex_release(&_mci_device->lock);
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if (status == kStatus_Success) return size;
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return 0;
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}
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static rt_size_t rt_mci_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
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{
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rt_uint8_t status = kStatus_Success;
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struct mci_device *mci = (struct mci_device *)dev;
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rt_mutex_take(&mci->lock, RT_WAITING_FOREVER);
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{
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/* non-aligned. */
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uint32_t i;
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rt_size_t sector_adr;
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uint8_t* copy_buffer;
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sector_adr = pos;
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copy_buffer = (uint8_t*)buffer;
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for(i = 0; i < size; i++)
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{
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memcpy(sdio_buffer, copy_buffer, mci->card.blockSize);
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status = SD_WriteBlocks(&mci->card, sdio_buffer, sector_adr, 1);
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sector_adr ++;
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copy_buffer += mci->card.blockSize;
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}
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}
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/* release and exit */
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rt_mutex_release(&_mci_device->lock);
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if (status == kStatus_Success) return size;
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return 0;
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}
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static rt_err_t rt_mci_control(rt_device_t dev, int cmd, void *args)
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{
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struct mci_device *mci = (struct mci_device *)dev;
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RT_ASSERT(dev != RT_NULL);
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if (cmd == RT_DEVICE_CTRL_BLK_GETGEOME)
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{
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struct rt_device_blk_geometry *geometry;
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geometry = (struct rt_device_blk_geometry *)args;
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if (geometry == RT_NULL) return -RT_ERROR;
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geometry->bytes_per_sector = mci->card.blockSize;
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geometry->block_size = mci->card.csd.eraseSectorSize;
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geometry->sector_count = mci->card.blockCount;
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}
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return RT_EOK;
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}
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void sdio_init_pins(void)
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{
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const uint32_t port2_pin10_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_CARD_DET_N */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN10_IDX, port2_pin10_config); /* PORT2 PIN10 (coords: P1) is configured as SD_CARD_DET_N */
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const uint32_t port2_pin3_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_CLK */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_FAST | /* Fast mode, slew rate control is disabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN3_IDX, port2_pin3_config); /* PORT2 PIN3 (coords: B1) is configured as SD_CLK */
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const uint32_t port2_pin4_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_CMD */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_FAST | /* Fast mode, slew rate control is disabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN4_IDX, port2_pin4_config); /* PORT2 PIN4 (coords: D3) is configured as SD_CMD */
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const uint32_t port2_pin5_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_POW_EN */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN5_IDX, port2_pin5_config); /* PORT2 PIN5 (coords: C1) is configured as SD_POW_EN */
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const uint32_t port2_pin6_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_D(0) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_FAST | /* Fast mode, slew rate control is disabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN6_IDX, port2_pin6_config); /* PORT2 PIN6 (coords: F3) is configured as SD_D(0) */
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const uint32_t port2_pin7_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_D(1) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_FAST | /* Fast mode, slew rate control is disabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN7_IDX, port2_pin7_config); /* PORT2 PIN7 (coords: J2) is configured as SD_D(1) */
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const uint32_t port2_pin8_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_D(2) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_FAST | /* Fast mode, slew rate control is disabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN8_IDX, port2_pin8_config); /* PORT2 PIN8 (coords: F4) is configured as SD_D(2) */
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const uint32_t port2_pin9_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_D(3) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_FAST | /* Fast mode, slew rate control is disabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN9_IDX, port2_pin9_config); /* PORT2 PIN9 (coords: K2) is configured as SD_D(3) */
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const uint32_t port3_pin15_config = (
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IOCON_PIO_FUNC2 | /* Pin is configured as SD_WR_PRT */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN15_IDX, port3_pin15_config); /* PORT3 PIN15 (coords: D2) is configured as SD_WR_PRT */
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}
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sd_card_t g_sd;
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/*! @brief Data written to the card */
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uint8_t g_dataWrite[FSL_SDMMC_DEFAULT_BLOCK_SIZE * 5U];
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/*! @brief Data read from the card */
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uint8_t g_dataRead[FSL_SDMMC_DEFAULT_BLOCK_SIZE * 5U];
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rt_err_t mci_hw_init(const char *device_name)
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#if 0
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{
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sd_card_t *card = &g_sd;
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bool isReadOnly;
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bool failedFlag = false;
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char ch = '0';
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/* attach main clock to SDIF */
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CLOCK_AttachClk(kMCLK_to_SDIO_CLK);
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/* need call this function to clear the halt bit in clock divider register */
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CLOCK_SetClkDiv(kCLOCK_DivSdioClk, 1U, true);
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sdio_init_pins();
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card->host.base = SDIF;
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card->host.sourceClock_Hz = CLOCK_GetFreq(kCLOCK_SDio);
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/* Init card. */
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if (SD_Init(card))
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{
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rt_kprintf("\r\nSD card init failed.\r\n");
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return -1;
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}
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rt_kprintf("\r\nRead/Write/Erase the card continuously until encounter error......\r\n");
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/* Check if card is readonly. */
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isReadOnly = SD_CheckReadOnly(card);
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if (isReadOnly)
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{
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//while (true)
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{
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/*if (failedFlag || (ch == 'q'))
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{
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break;
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}*/
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rt_kprintf("\r\nRead one data block......\r\n");
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if (kStatus_Success != SD_ReadBlocks(card, g_dataRead, 2U, 1U))
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{
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rt_kprintf("Read one data block failed.\r\n");
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failedFlag = true;
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//continue;
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}
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rt_kprintf("Read multiple data blocks......\r\n");
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if (kStatus_Success != SD_ReadBlocks(card, g_dataRead, 2U, 5U))
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{
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rt_kprintf("Read multiple data blocks failed.\r\n");
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failedFlag = true;
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//continue;
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}
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rt_kprintf(
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"\r\nInput 'q' to quit read process.\
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\r\nInput other char to read data blocks again.\r\n");
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//ch = GETCHAR();
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//PUTCHAR(ch);
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}
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}
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else
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{
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memset(g_dataWrite, 0x67U, sizeof(g_dataWrite));
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//while (true)
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{
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/*if (failedFlag || (ch == 'q'))
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{
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break;
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}*/
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rt_kprintf("\r\nWrite/read one data block......\r\n");
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if (kStatus_Success != SD_WriteBlocks(card, g_dataWrite, 2U, 1U))
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{
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rt_kprintf("Write one data block failed.\r\n");
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failedFlag = true;
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//continue;
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}
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memset(g_dataRead, 0U, sizeof(g_dataRead));
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if (kStatus_Success != SD_ReadBlocks(card, g_dataRead, 2U, 1U))
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{
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rt_kprintf("Read one data block failed.\r\n");
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failedFlag = true;
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//continue;
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}
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rt_kprintf("Compare the read/write content......\r\n");
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if (memcmp(g_dataRead, g_dataWrite, FSL_SDMMC_DEFAULT_BLOCK_SIZE))
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{
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rt_kprintf("The read/write content isn't consistent.\r\n");
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failedFlag = true;
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//continue;
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}
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rt_kprintf("The read/write content is consistent.\r\n");
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rt_kprintf("Write/read multiple data blocks......\r\n");
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if (kStatus_Success != SD_WriteBlocks(card, g_dataWrite, 2U, 5U))
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{
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rt_kprintf("Write multiple data blocks failed.\r\n");
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failedFlag = true;
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//continue;
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}
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memset(g_dataRead, 0U, sizeof(g_dataRead));
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if (kStatus_Success != SD_ReadBlocks(card, g_dataRead, 2U, 5U))
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{
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rt_kprintf("Read multiple data blocks failed.\r\n");
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failedFlag = true;
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//continue;
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}
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rt_kprintf("Compare the read/write content......\r\n");
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if (memcmp(g_dataRead, g_dataWrite, FSL_SDMMC_DEFAULT_BLOCK_SIZE))
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{
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rt_kprintf("The read/write content isn't consistent.\r\n");
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failedFlag = true;
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//continue;
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}
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rt_kprintf("The read/write content is consistent.\r\n");
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rt_kprintf("Erase multiple data blocks......\r\n");
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if (kStatus_Success != SD_EraseBlocks(card, 2U, 5U))
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{
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rt_kprintf("Erase multiple data blocks failed.\r\n");
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failedFlag = true;
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//continue;
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}
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rt_kprintf(
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"\r\nInput 'q' to quit read/write/erase process.\
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\r\nInput other char to read/write/erase data blocks again.\r\n");
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//ch = GETCHAR();
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//PUTCHAR(ch);
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}
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}
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rt_kprintf("\r\nThe example will not read/write data blocks again.\r\n");
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SD_Deinit(card);
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}
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#else
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{
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_mci_device = (struct mci_device *)rt_malloc(sizeof(struct mci_device));
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if (_mci_device == RT_NULL)
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{
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rt_kprintf("mci_hw_init _mci_device rt_malloc failed!\n");
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return -RT_ERROR;
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}
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rt_memset(_mci_device, 0, sizeof(struct mci_device));
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/* attach main clock to SDIF */
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CLOCK_AttachClk(kMCLK_to_SDIO_CLK);
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/* need call this function to clear the halt bit in clock divider register */
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CLOCK_SetClkDiv(kCLOCK_DivSdioClk, 1U, true);
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sdio_init_pins();
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/* Save host information. */
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_mci_device->card.host.base = SDIF;
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_mci_device->card.host.sourceClock_Hz = CLOCK_GetFreq(kCLOCK_SDio);
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if (kStatus_Success != SD_Init(&_mci_device->card))
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{
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SD_Deinit(&_mci_device->card);
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memset(&_mci_device->card, 0U, sizeof(_mci_device->card));
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rt_kprintf("SD_Init failed!\n");
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return -RT_ERROR;
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}
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/*
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follow the page: https://community.nxp.com/thread/454769
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The issue concerns sdmmc library bug (I finally solved) in SD_Init() in the file sdmmc/src/fsl_sd.c:SD_SelectBusTiming()
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calls SD_SwitchFunction() which sets block size to 64bytes (512bits).Therefore SD_SetBlockSize(card, FSL_SDMMC_DEFAULT_BLOCK_SIZE)
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should be called again before SD_Init() exits.
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*/
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if (kStatus_Success != SDMMC_SetBlockSize(_mci_device->card.host.base, _mci_device->card.host.transfer, FSL_SDMMC_DEFAULT_BLOCK_SIZE))
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{
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SD_Deinit(&_mci_device->card);
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memset(&_mci_device->card, 0U, sizeof(_mci_device->card));
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rt_kprintf("SD_Init failed!\n");
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return -RT_ERROR;
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}
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/* initialize mutex lock */
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rt_mutex_init(&_mci_device->lock, device_name, RT_IPC_FLAG_FIFO);
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/* create finish event */
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_mci_device->finish_event = rt_event_create(device_name, RT_IPC_FLAG_FIFO);
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/* register sdcard device */
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_mci_device->parent.type = RT_Device_Class_Block;
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_mci_device->geometry.bytes_per_sector = 0;
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_mci_device->geometry.sector_count = 0;
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_mci_device->geometry.block_size = 0;
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_mci_device->parent.init = rt_mci_init;
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_mci_device->parent.open = rt_mci_open;
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_mci_device->parent.close = rt_mci_close;
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_mci_device->parent.read = rt_mci_read;
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_mci_device->parent.write = rt_mci_write;
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_mci_device->parent.control = rt_mci_control;
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/* no private, no callback */
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_mci_device->parent.user_data = RT_NULL;
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_mci_device->parent.rx_indicate = RT_NULL;
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_mci_device->parent.tx_complete = RT_NULL;
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rt_device_register(&_mci_device->parent, device_name,
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RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE );
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return RT_EOK;
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}
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#endif
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