rt-thread/bsp/stm32/stm32mp157a-st-ev1/board/ports/drv_emmc.h

105 lines
3.2 KiB
C

/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-07-16 thread-liu first version
*/
#ifndef __DRV_EMMC_H__
#define __DRV_EMMC_H__
#include <rtthread.h>
#include "rtdevice.h"
#include <rthw.h>
#include <drv_common.h>
#include <string.h>
#include <drivers/mmcsd_core.h>
#include <drivers/sdio.h>
#define SDIO_BUFF_SIZE 4096
#ifndef EMMC_BASE_ADDRESS
#define EMMC_BASE_ADDRESS (SDMMC2)
#endif
#ifndef EMMC_CLOCK_FREQ
#define EMMC_CLOCK_FREQ (99U * 1000 * 1000)
#endif
#ifndef EMMC_MAX_FREQ
#define EMMC_MAX_FREQ (50 * 1000 * 1000)
#endif
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
#define SDMMC_ERRORS \
(SDMMC_STA_IDMATE | SDMMC_STA_ACKTIMEOUT | \
SDMMC_STA_RXOVERR | SDMMC_STA_TXUNDERR | \
SDMMC_STA_DTIMEOUT | SDMMC_STA_CTIMEOUT | \
SDMMC_STA_DCRCFAIL | SDMMC_STA_CCRCFAIL)
#define SDIO_MASKR_ALL \
(SDMMC_MASK_CCRCFAILIE | SDMMC_MASK_DCRCFAILIE | SDMMC_MASK_CTIMEOUTIE | \
SDMMC_MASK_TXUNDERRIE | SDMMC_MASK_RXOVERRIE | SDMMC_MASK_CMDRENDIE | \
SDMMC_MASK_CMDSENTIE | SDMMC_MASK_DATAENDIE | SDMMC_MASK_ACKTIMEOUTIE)
#define HW_SDIO_DATATIMEOUT (0xFFFFFFFFU)
struct stm32_sdio
{
volatile rt_uint32_t power; /* offset 0x00 */
volatile rt_uint32_t clkcr; /* offset 0x04 */
volatile rt_uint32_t arg; /* offset 0x08 */
volatile rt_uint32_t cmd; /* offset 0x0C */
volatile rt_uint32_t respcmd; /* offset 0x10 */
volatile rt_uint32_t resp1; /* offset 0x14 */
volatile rt_uint32_t resp2; /* offset 0x18 */
volatile rt_uint32_t resp3; /* offset 0x1C */
volatile rt_uint32_t resp4; /* offset 0x20 */
volatile rt_uint32_t dtimer; /* offset 0x24 */
volatile rt_uint32_t dlen; /* offset 0x28 */
volatile rt_uint32_t dctrl; /* offset 0x2C */
volatile rt_uint32_t dcount; /* offset 0x30 */
volatile rt_uint32_t sta; /* offset 0x34 */
volatile rt_uint32_t icr; /* offset 0x38 */
volatile rt_uint32_t mask; /* offset 0x3C */
volatile rt_uint32_t acktimer; /* offset 0x40 */
volatile rt_uint32_t reserved0[3]; /* offset 0x44 ~ 0x4C */
volatile rt_uint32_t idmatrlr; /* offset 0x50 */
volatile rt_uint32_t idmabsizer; /* offset 0x54 */
volatile rt_uint32_t idmabase0r; /* offset 0x58 */
volatile rt_uint32_t idmabase1r; /* offset 0x5C */
volatile rt_uint32_t reserved1[1]; /* offset 0x60 */
volatile rt_uint32_t idmalar;
volatile rt_uint32_t idmabar;
volatile rt_uint32_t reserved2[5];
volatile rt_uint32_t fifo;
volatile rt_uint32_t reserved3[220];
volatile rt_uint32_t verr;
volatile rt_uint32_t ipidr;
volatile rt_uint32_t sidr;
};
typedef rt_uint32_t (*sdio_clk_get)(struct stm32_sdio *hw_sdio);
struct stm32_sdio_des
{
struct stm32_sdio *hw_sdio;
sdio_clk_get clk_get;
};
/* stm32 sdio dirver class */
struct stm32_sdio_class
{
struct stm32_sdio_des *des;
const struct stm32_sdio_config *cfg;
struct rt_mmcsd_host host;
};
extern void stm32_mmcsd_change(void);
#endif /* __DRV_SDIO_H__ */