/* * Copyright (c) 2006-2020, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020-10-27 bigmagic first version */ #ifndef __DRV_SDIO_H__ #define __DRV_SDIO_H__ #include #include #include #include "board.h" #include "raspi4.h" /* Struct for Intrrrupt Information */ #define SDXC_CmdDone BIT(0) #define SDXC_DataDone BIT(1) #define SDXC_BlockGap BIT(2) #define SDXC_WriteRdy BIT(4) #define SDXC_ReadRdy BIT(5) #define SDXC_Card BIT(8) #define SDXC_Retune BIT(12) #define SDXC_BootAck BIT(13) #define SDXC_EndBoot BIT(14) #define SDXC_Err BIT(15) #define SDXC_CTOErr BIT(16) #define SDXC_CCRCErr BIT(17) #define SDXC_CENDErr BIT(18) #define SDXC_CBADErr BIT(19) #define SDXC_DTOErr BIT(20) #define SDXC_DCRCErr BIT(21) #define SDXC_DENDErr BIT(22) #define SDXC_ACMDErr BIT(24) #define SDXC_BLKCNT_EN BIT(1) #define SDXC_AUTO_CMD12_EN BIT(2) #define SDXC_AUTO_CMD23_EN BIT(3) #define SDXC_DAT_DIR BIT(4) //from card to host #define SDXC_MULTI_BLOCK BIT(5) #define SDXC_CMD_RSPNS_136 BIT(16) #define SDXC_CMD_RSPNS_48 BIT(17) #define SDXC_CMD_RSPNS_48busy BIT(16)|BIT(17) #define SDXC_CHECK_CRC_CMD BIT(19) #define SDXC_CMD_IXCHK_EN BIT(20) #define SDXC_CMD_ISDATA BIT(21) #define SDXC_CMD_SUSPEND BIT(22) #define SDXC_CMD_RESUME BIT(23) #define SDXC_CMD_ABORT BIT(23)|BIT(22) #define SDXC_CMD_INHIBIT BIT(0) #define SDXC_DAT_INHIBIT BIT(1) #define SDXC_DAT_ACTIVE BIT(2) #define SDXC_WRITE_TRANSFER BIT(8) #define SDXC_READ_TRANSFER BIT(9) struct sdhci_cmd_t { rt_uint32_t cmdidx; rt_uint32_t cmdarg; rt_uint32_t resptype; rt_uint32_t datarw; #define DATA_READ 1 #define DATA_WRITE 2 rt_uint32_t response[4]; }; struct sdhci_data_t { rt_uint8_t * buf; rt_uint32_t flag; rt_uint32_t blksz; rt_uint32_t blkcnt; }; struct sdhci_t { char * name; rt_uint32_t voltages; rt_uint32_t width; rt_uint32_t clock; rt_err_t removeable; void * sdcard; rt_err_t (*detect)(struct sdhci_t * sdhci); rt_err_t (*setwidth)(struct sdhci_t * sdhci, rt_uint32_t width); rt_err_t (*setclock)(struct sdhci_t * sdhci, rt_uint32_t clock); rt_err_t (*transfer)(struct sdhci_t * sdhci, struct sdhci_cmd_t * cmd, struct sdhci_data_t * dat); void * priv; }; struct sdhci_pdata_t { size_t virt; }; // EMMC command flags #define CMD_TYPE_NORMAL (0x00000000) #define CMD_TYPE_SUSPEND (0x00400000) #define CMD_TYPE_RESUME (0x00800000) #define CMD_TYPE_ABORT (0x00c00000) #define CMD_IS_DATA (0x00200000) #define CMD_IXCHK_EN (0x00100000) #define CMD_CRCCHK_EN (0x00080000) #define CMD_RSPNS_NO (0x00000000) #define CMD_RSPNS_136 (0x00010000) #define CMD_RSPNS_48 (0x00020000) #define CMD_RSPNS_48B (0x00030000) #define TM_MULTI_BLOCK (0x00000020) #define TM_DAT_DIR_HC (0x00000000) #define TM_DAT_DIR_CH (0x00000010) #define TM_AUTO_CMD23 (0x00000008) #define TM_AUTO_CMD12 (0x00000004) #define TM_BLKCNT_EN (0x00000002) #define TM_MULTI_DATA (CMD_IS_DATA|TM_MULTI_BLOCK|TM_BLKCNT_EN) #define RCA_NO (1) #define RCA_YES (2) // INTERRUPT register settings #define INT_AUTO_ERROR (0x01000000) #define INT_DATA_END_ERR (0x00400000) #define INT_DATA_CRC_ERR (0x00200000) #define INT_DATA_TIMEOUT (0x00100000) #define INT_INDEX_ERROR (0x00080000) #define INT_END_ERROR (0x00040000) #define INT_CRC_ERROR (0x00020000) #define INT_CMD_TIMEOUT (0x00010000) #define INT_ERR (0x00008000) #define INT_ENDBOOT (0x00004000) #define INT_BOOTACK (0x00002000) #define INT_RETUNE (0x00001000) #define INT_CARD (0x00000100) #define INT_READ_RDY (0x00000020) #define INT_WRITE_RDY (0x00000010) #define INT_BLOCK_GAP (0x00000004) #define INT_DATA_DONE (0x00000002) #define INT_CMD_DONE (0x00000001) #define INT_ERROR_MASK (INT_CRC_ERROR|INT_END_ERROR|INT_INDEX_ERROR| \ INT_DATA_TIMEOUT|INT_DATA_CRC_ERR|INT_DATA_END_ERR| \ INT_ERR|INT_AUTO_ERROR) #define INT_ALL_MASK (INT_CMD_DONE|INT_DATA_DONE|INT_READ_RDY|INT_WRITE_RDY|INT_ERROR_MASK) #define EMMC_ARG2 (0x00) #define EMMC_BLKSIZECNT (0x04) #define EMMC_ARG1 (0x08) #define EMMC_CMDTM (0x0c) #define EMMC_RESP0 (0x10) #define EMMC_RESP1 (0x14) #define EMMC_RESP2 (0x18) #define EMMC_RESP3 (0x1c) #define EMMC_DATA (0x20) #define EMMC_STATUS (0x24) #define EMMC_CONTROL0 (0x28) #define EMMC_CONTROL1 (0x2c) #define EMMC_INTERRUPT (0x30) #define EMMC_IRPT_MASK (0x34) #define EMMC_IRPT_EN (0x38) #define EMMC_CONTROL2 (0x3c) #define EMMC_CAPABILITIES_0 (0x40) #define EMMC_CAPABILITIES_1 (0x44) #define EMMC_BOOT_TIMEOUT (0x70) #define EMMC_EXRDFIFO_EN (0x84) #define EMMC_SPI_INT_SPT (0xf0) #define EMMC_SLOTISR_VER (0xfc) // CONTROL register settings #define C0_SPI_MODE_EN (0x00100000) #define C0_HCTL_HS_EN (0x00000004) #define C0_HCTL_DWITDH (0x00000002) #define C1_SRST_DATA (0x04000000) #define C1_SRST_CMD (0x02000000) #define C1_SRST_HC (0x01000000) #define C1_TOUNIT_DIS (0x000f0000) #define C1_TOUNIT_MAX (0x000e0000) #define C1_CLK_GENSEL (0x00000020) #define C1_CLK_EN (0x00000004) #define C1_CLK_STABLE (0x00000002) #define C1_CLK_INTLEN (0x00000001) #define FREQ_SETUP (400000) // 400 Khz #define FREQ_NORMAL (25000000) // 25 Mhz // SLOTISR_VER values #define HOST_SPEC_NUM 0x00ff0000 #define HOST_SPEC_NUM_SHIFT 16 #define HOST_SPEC_V3 2 #define HOST_SPEC_V2 1 #define HOST_SPEC_V1 0 // STATUS register settings #define SR_DAT_LEVEL1 (0x1e000000) #define SR_CMD_LEVEL (0x01000000) #define SR_DAT_LEVEL0 (0x00f00000) #define SR_DAT3 (0x00800000) #define SR_DAT2 (0x00400000) #define SR_DAT1 (0x00200000) #define SR_DAT0 (0x00100000) #define SR_WRITE_PROT (0x00080000) // From SDHC spec v2, BCM says reserved #define SR_READ_AVAILABLE (0x00000800) // ???? undocumented #define SR_WRITE_AVAILABLE (0x00000400) // ???? undocumented #define SR_READ_TRANSFER (0x00000200) #define SR_WRITE_TRANSFER (0x00000100) #define SR_DAT_ACTIVE (0x00000004) #define SR_DAT_INHIBIT (0x00000002) #define SR_CMD_INHIBIT (0x00000001) #define CONFIG_MMC_USE_DMA #define DMA_ALIGN (32U) #define SD_CMD_INDEX(a) ((a) << 24) #define SD_CMD_RESERVED(a) (0xffffffff) #define SD_CMD_INDEX(a) ((a) << 24) #define SD_CMD_TYPE_NORMAL (0x0) #define SD_CMD_TYPE_SUSPEND (1 << 22) #define SD_CMD_TYPE_RESUME (2 << 22) #define SD_CMD_TYPE_ABORT (3 << 22) #define SD_CMD_TYPE_MASK (3 << 22) #define SD_CMD_ISDATA (1 << 21) #define SD_CMD_IXCHK_EN (1 << 20) #define SD_CMD_CRCCHK_EN (1 << 19) #define SD_CMD_RSPNS_TYPE_NONE (0) // For no response #define SD_CMD_RSPNS_TYPE_136 (1 << 16) // For response R2 (with CRC), R3,4 (no CRC) #define SD_CMD_RSPNS_TYPE_48 (2 << 16) // For responses R1, R5, R6, R7 (with CRC) #define SD_CMD_RSPNS_TYPE_48B (3 << 16) // For responses R1b, R5b (with CRC) #define SD_CMD_RSPNS_TYPE_MASK (3 << 16) #define SD_CMD_MULTI_BLOCK (1 << 5) #define SD_CMD_DAT_DIR_HC (0) #define SD_CMD_DAT_DIR_CH (1 << 4) #define SD_CMD_AUTO_CMD_EN_NONE (0) #define SD_CMD_AUTO_CMD_EN_CMD12 (1 << 2) #define SD_CMD_AUTO_CMD_EN_CMD23 (2 << 2) #define SD_CMD_BLKCNT_EN (1 << 1) #define SD_CMD_DMA (1) #define SD_RESP_NONE SD_CMD_RSPNS_TYPE_NONE #define SD_RESP_R1 (SD_CMD_RSPNS_TYPE_48) // | SD_CMD_CRCCHK_EN) #define SD_RESP_R1b (SD_CMD_RSPNS_TYPE_48B) // | SD_CMD_CRCCHK_EN) #define SD_RESP_R2 (SD_CMD_RSPNS_TYPE_136) // | SD_CMD_CRCCHK_EN) #define SD_RESP_R3 SD_CMD_RSPNS_TYPE_48 #define SD_RESP_R4 SD_CMD_RSPNS_TYPE_136 #define SD_RESP_R5 (SD_CMD_RSPNS_TYPE_48 | SD_CMD_CRCCHK_EN) #define SD_RESP_R5b (SD_CMD_RSPNS_TYPE_48B | SD_CMD_CRCCHK_EN) #define SD_RESP_R6 (SD_CMD_RSPNS_TYPE_48 | SD_CMD_CRCCHK_EN) #define SD_RESP_R7 (SD_CMD_RSPNS_TYPE_48 | SD_CMD_CRCCHK_EN) #define SD_DATA_READ (SD_CMD_ISDATA | SD_CMD_DAT_DIR_CH) #define SD_DATA_WRITE (SD_CMD_ISDATA | SD_CMD_DAT_DIR_HC) #endif