/*************************************************************************** * * Copyright 2015-2019 BES. * All rights reserved. All unpublished rights reserved. * * No part of this work may be used or reproduced in any form or by any * means, or stored in a database or retrieval system, without prior written * permission of BES. * * Use of this work is governed by a license granted by BES. * This work contains confidential and proprietary information of * BES. which is protected by copyright, trade secret, * trademark and other intellectual property rights. * ****************************************************************************/ #ifdef CHIP_HAS_SDMMC #include "errno.h" #include "stdarg.h" #include "stdio.h" #include "string.h" #include "plat_addr_map.h" #include "reg_sdmmcip.h" #include "hal_sdmmc.h" #include "cmsis_nvic.h" #include "hal_uart.h" #include "hal_trace.h" #include "hal_dma.h" #include "hal_timer.h" #include "hal_cmu.h" #ifndef ETIMEDOUT #define ETIMEDOUT 110 /* Connection timed out */ #endif #define HAL_SDMMC_USE_DMA 1 //#define __BUS_WIDTH_SUPPORT_4BIT__ 1 #define HAL_SDMMC_TRACE(...) //#define HAL_SDMMC_TRACE TRACE #define HAL_SDMMC_ASSERT(...) //#define HAL_SDMMC_ASSERT ASSERT #define _SDMMC_CLOCK 52000000 #define _SDMMC_DMA_MINALIGN 32 #define _sdmmc_be32_to_cpu(x) \ ((uint32_t)( \ (((uint32_t)(x) & (uint32_t)0x000000ffUL) << 24) | \ (((uint32_t)(x) & (uint32_t)0x0000ff00UL) << 8) | \ (((uint32_t)(x) & (uint32_t)0x00ff0000UL) >> 8) | \ (((uint32_t)(x) & (uint32_t)0xff000000UL) >> 24) )) #define _SDMMC_DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) #define _SDMMC_ROUND(a,b) (((a) + (b) - 1) & ~((b) - 1)) #define _SDMMC_PAD_COUNT(s, pad) (((s) - 1) / (pad) + 1) #define _SDMMC_PAD_SIZE(s, pad) (_SDMMC_PAD_COUNT(s, pad) * pad) #define _SDMMC_ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, pad) \ char __##name[_SDMMC_ROUND(_SDMMC_PAD_SIZE((size) * sizeof(type), pad), align) + (align - 1)]; \ type *name = (type *) ALIGN((uint32_t)__##name, align) #define _SDMMC_ALLOC_ALIGN_BUFFER(type, name, size, align) \ _SDMMC_ALLOC_ALIGN_BUFFER_PAD(type, name, size, align, 1) #define _SDMMC_ALLOC_CACHE_ALIGN_BUFFER_PAD(type, name, size, pad) \ _SDMMC_ALLOC_ALIGN_BUFFER_PAD(type, name, size, _SDMMC_DMA_MINALIGN, pad) #define _SDMMC_ALLOC_CACHE_ALIGN_BUFFER(type, name, size) \ _SDMMC_ALLOC_ALIGN_BUFFER(type, name, size, _SDMMC_DMA_MINALIGN) typedef struct block_dev_desc { int if_type; /* type of the interface */ int dev; /* device number */ unsigned char part_type; /* partition type */ unsigned char target; /* target SCSI ID */ unsigned char lun; /* target LUN */ unsigned char type; /* device type */ unsigned char removable; /* removable device */ #ifdef CONFIG_LBA48 unsigned char lba48; /* device can use 48bit addr (ATA/ATAPI v7) */ #endif uint32_t lba; /* number of blocks */ unsigned long blksz; /* block size */ int log2blksz; /* for convenience: log2(blksz) */ char vendor [40+1]; /* IDE model, SCSI Vendor */ char product[20+1]; /* IDE Serial no, SCSI product */ char revision[8+1]; /* firmware revision */ void *priv; /* driver private struct pointer */ } block_dev_desc_t; /* SD/MMC version bits; 8 flags, 8 major, 8 minor, 8 change */ #define SD_VERSION_SD (1U << 31) #define MMC_VERSION_MMC (1U << 30) #define MAKE_SDMMC_VERSION(a, b, c) \ ((((uint32_t)(a)) << 16) | ((uint32_t)(b) << 8) | (uint32_t)(c)) #define MAKE_SD_VERSION(a, b, c) \ (SD_VERSION_SD | MAKE_SDMMC_VERSION(a, b, c)) #define MAKE_MMC_VERSION(a, b, c) \ (MMC_VERSION_MMC | MAKE_SDMMC_VERSION(a, b, c)) #define EXTRACT_SDMMC_MAJOR_VERSION(x) \ (((uint32_t)(x) >> 16) & 0xff) #define EXTRACT_SDMMC_MINOR_VERSION(x) \ (((uint32_t)(x) >> 8) & 0xff) #define EXTRACT_SDMMC_CHANGE_VERSION(x) \ ((uint32_t)(x) & 0xff) #define SD_VERSION_3 MAKE_SD_VERSION(3, 0, 0) #define SD_VERSION_2 MAKE_SD_VERSION(2, 0, 0) #define SD_VERSION_1_0 MAKE_SD_VERSION(1, 0, 0) #define SD_VERSION_1_10 MAKE_SD_VERSION(1, 10, 0) #define MMC_VERSION_UNKNOWN MAKE_MMC_VERSION(0, 0, 0) #define MMC_VERSION_1_2 MAKE_MMC_VERSION(1, 2, 0) #define MMC_VERSION_1_4 MAKE_MMC_VERSION(1, 4, 0) #define MMC_VERSION_2_2 MAKE_MMC_VERSION(2, 2, 0) #define MMC_VERSION_3 MAKE_MMC_VERSION(3, 0, 0) #define MMC_VERSION_4 MAKE_MMC_VERSION(4, 0, 0) #define MMC_VERSION_4_1 MAKE_MMC_VERSION(4, 1, 0) #define MMC_VERSION_4_2 MAKE_MMC_VERSION(4, 2, 0) #define MMC_VERSION_4_3 MAKE_MMC_VERSION(4, 3, 0) #define MMC_VERSION_4_41 MAKE_MMC_VERSION(4, 4, 1) #define MMC_VERSION_4_5 MAKE_MMC_VERSION(4, 5, 0) #define MMC_VERSION_5_0 MAKE_MMC_VERSION(5, 0, 0) #define MMC_MODE_HS (1 << 0) #define MMC_MODE_HS_52MHz (1 << 1) #define MMC_MODE_4BIT (1 << 2) #define MMC_MODE_8BIT (1 << 3) #define MMC_MODE_SPI (1 << 4) #define MMC_MODE_DDR_52MHz (1 << 5) #define SD_DATA_4BIT 0x00040000 #define IS_SD(x) ((x)->version & SD_VERSION_SD) #define IS_MMC(x) ((x)->version & MMC_VERSION_MMC) #define MMC_DATA_READ 1 #define MMC_DATA_WRITE 2 #define NO_CARD_ERR -16 /* No SD/MMC card inserted */ #define UNUSABLE_ERR -17 /* Unusable Card */ #define COMM_ERR -18 /* Communications Error */ #define TIMEOUT -19 #define SWITCH_ERR -20 /* Card reports failure to switch mode */ #define MMC_CMD_GO_IDLE_STATE 0 #define MMC_CMD_SEND_OP_COND 1 #define MMC_CMD_ALL_SEND_CID 2 #define MMC_CMD_SET_RELATIVE_ADDR 3 #define MMC_CMD_SET_DSR 4 #define MMC_CMD_SWITCH 6 #define MMC_CMD_SELECT_CARD 7 #define MMC_CMD_SEND_EXT_CSD 8 #define MMC_CMD_SEND_CSD 9 #define MMC_CMD_SEND_CID 10 #define MMC_CMD_STOP_TRANSMISSION 12 #define MMC_CMD_SEND_STATUS 13 #define MMC_CMD_SET_BLOCKLEN 16 #define MMC_CMD_READ_SINGLE_BLOCK 17 #define MMC_CMD_READ_MULTIPLE_BLOCK 18 #define MMC_CMD_SET_BLOCK_COUNT 23 #define MMC_CMD_WRITE_SINGLE_BLOCK 24 #define MMC_CMD_WRITE_MULTIPLE_BLOCK 25 #define MMC_CMD_ERASE_GROUP_START 35 #define MMC_CMD_ERASE_GROUP_END 36 #define MMC_CMD_ERASE 38 #define MMC_CMD_APP_CMD 55 #define MMC_CMD_SPI_READ_OCR 58 #define MMC_CMD_SPI_CRC_ON_OFF 59 #define MMC_CMD_RES_MAN 62 #define MMC_CMD62_ARG1 0xefac62ec #define MMC_CMD62_ARG2 0xcbaea7 #define SD_CMD_SEND_RELATIVE_ADDR 3 #define SD_CMD_SWITCH_FUNC 6 #define SD_CMD_SEND_IF_COND 8 #define SD_CMD_SWITCH_UHS18V 11 #define SD_CMD_APP_SET_BUS_WIDTH 6 #define SD_CMD_ERASE_WR_BLK_START 32 #define SD_CMD_ERASE_WR_BLK_END 33 #define SD_CMD_APP_SEND_OP_COND 41 #define SD_CMD_APP_SEND_SCR 51 /* SCR definitions in different words */ #define SD_HIGHSPEED_BUSY 0x00020000 #define SD_HIGHSPEED_SUPPORTED 0x00020000 #define OCR_BUSY 0x80000000 #define OCR_HCS 0x40000000 #define OCR_VOLTAGE_MASK 0x007FFF80 #define OCR_ACCESS_MODE 0x60000000 #define SECURE_ERASE 0x80000000 #define MMC_STATUS_MASK (~0x0206BF7F) #define MMC_STATUS_SWITCH_ERROR (1 << 7) #define MMC_STATUS_RDY_FOR_DATA (1 << 8) #define MMC_STATUS_CURR_STATE (0xf << 9) #define MMC_STATUS_ERROR (1 << 19) #define MMC_STATE_PRG (7 << 9) #define MMC_VDD_165_195 0x00000080 /* VDD voltage 1.65 - 1.95 */ #define MMC_VDD_20_21 0x00000100 /* VDD voltage 2.0 ~ 2.1 */ #define MMC_VDD_21_22 0x00000200 /* VDD voltage 2.1 ~ 2.2 */ #define MMC_VDD_22_23 0x00000400 /* VDD voltage 2.2 ~ 2.3 */ #define MMC_VDD_23_24 0x00000800 /* VDD voltage 2.3 ~ 2.4 */ #define MMC_VDD_24_25 0x00001000 /* VDD voltage 2.4 ~ 2.5 */ #define MMC_VDD_25_26 0x00002000 /* VDD voltage 2.5 ~ 2.6 */ #define MMC_VDD_26_27 0x00004000 /* VDD voltage 2.6 ~ 2.7 */ #define MMC_VDD_27_28 0x00008000 /* VDD voltage 2.7 ~ 2.8 */ #define MMC_VDD_28_29 0x00010000 /* VDD voltage 2.8 ~ 2.9 */ #define MMC_VDD_29_30 0x00020000 /* VDD voltage 2.9 ~ 3.0 */ #define MMC_VDD_30_31 0x00040000 /* VDD voltage 3.0 ~ 3.1 */ #define MMC_VDD_31_32 0x00080000 /* VDD voltage 3.1 ~ 3.2 */ #define MMC_VDD_32_33 0x00100000 /* VDD voltage 3.2 ~ 3.3 */ #define MMC_VDD_33_34 0x00200000 /* VDD voltage 3.3 ~ 3.4 */ #define MMC_VDD_34_35 0x00400000 /* VDD voltage 3.4 ~ 3.5 */ #define MMC_VDD_35_36 0x00800000 /* VDD voltage 3.5 ~ 3.6 */ #define MMC_SWITCH_MODE_CMD_SET 0x00 /* Change the command set */ #define MMC_SWITCH_MODE_SET_BITS 0x01 /* Set bits in EXT_CSD byte addressed by index which are 1 in value field */ #define MMC_SWITCH_MODE_CLEAR_BITS 0x02 /* Clear bits in EXT_CSD byte addressed by index, which are 1 in value field */ #define MMC_SWITCH_MODE_WRITE_BYTE 0x03 /* Set target byte to value */ #define SD_SWITCH_CHECK 0 #define SD_SWITCH_SWITCH 1 /* * EXT_CSD fields */ #define EXT_CSD_ENH_START_ADDR 136 /* R/W */ #define EXT_CSD_ENH_SIZE_MULT 140 /* R/W */ #define EXT_CSD_GP_SIZE_MULT 143 /* R/W */ #define EXT_CSD_PARTITION_SETTING 155 /* R/W */ #define EXT_CSD_PARTITIONS_ATTRIBUTE 156 /* R/W */ #define EXT_CSD_MAX_ENH_SIZE_MULT 157 /* R */ #define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */ #define EXT_CSD_RST_N_FUNCTION 162 /* R/W */ #define EXT_CSD_WR_REL_PARAM 166 /* R */ #define EXT_CSD_WR_REL_SET 167 /* R/W */ #define EXT_CSD_RPMB_MULT 168 /* RO */ #define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */ #define EXT_CSD_BOOT_BUS_WIDTH 177 #define EXT_CSD_PART_CONF 179 /* R/W */ #define EXT_CSD_BUS_WIDTH 183 /* R/W */ #define EXT_CSD_HS_TIMING 185 /* R/W */ #define EXT_CSD_REV 192 /* RO */ #define EXT_CSD_CARD_TYPE 196 /* RO */ #define EXT_CSD_SEC_CNT 212 /* RO, 4 bytes */ #define EXT_CSD_HC_WP_GRP_SIZE 221 /* RO */ #define EXT_CSD_HC_ERASE_GRP_SIZE 224 /* RO */ #define EXT_CSD_BOOT_MULT 226 /* RO */ /* * EXT_CSD field definitions */ #define EXT_CSD_CMD_SET_NORMAL (1 << 0) #define EXT_CSD_CMD_SET_SECURE (1 << 1) #define EXT_CSD_CMD_SET_CPSECURE (1 << 2) #define EXT_CSD_CARD_TYPE_26 (1 << 0) /* Card can run at 26MHz */ #define EXT_CSD_CARD_TYPE_52 (1 << 1) /* Card can run at 52MHz */ #define EXT_CSD_CARD_TYPE_DDR_1_8V (1 << 2) #define EXT_CSD_CARD_TYPE_DDR_1_2V (1 << 3) #define EXT_CSD_CARD_TYPE_DDR_52 (EXT_CSD_CARD_TYPE_DDR_1_8V \ | EXT_CSD_CARD_TYPE_DDR_1_2V) #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */ #define EXT_CSD_DDR_BUS_WIDTH_4 5 /* Card is in 4 bit DDR mode */ #define EXT_CSD_DDR_BUS_WIDTH_8 6 /* Card is in 8 bit DDR mode */ #define EXT_CSD_BOOT_ACK_ENABLE (1 << 6) #define EXT_CSD_BOOT_PARTITION_ENABLE (1 << 3) #define EXT_CSD_PARTITION_ACCESS_ENABLE (1 << 0) #define EXT_CSD_PARTITION_ACCESS_DISABLE (0 << 0) #define EXT_CSD_BOOT_ACK(x) (x << 6) #define EXT_CSD_BOOT_PART_NUM(x) (x << 3) #define EXT_CSD_PARTITION_ACCESS(x) (x << 0) #define EXT_CSD_BOOT_BUS_WIDTH_MODE(x) (x << 3) #define EXT_CSD_BOOT_BUS_WIDTH_RESET(x) (x << 2) #define EXT_CSD_BOOT_BUS_WIDTH_WIDTH(x) (x) #define EXT_CSD_PARTITION_SETTING_COMPLETED (1 << 0) #define EXT_CSD_ENH_USR (1 << 0) /* user data area is enhanced */ #define EXT_CSD_ENH_GP(x) (1 << ((x)+1)) /* GP part (x+1) is enhanced */ #define EXT_CSD_HS_CTRL_REL (1 << 0) /* host controlled WR_REL_SET */ #define EXT_CSD_WR_DATA_REL_USR (1 << 0) /* user data area WR_REL */ #define EXT_CSD_WR_DATA_REL_GP(x) (1 << ((x)+1)) /* GP part (x+1) WR_REL */ #define R1_ILLEGAL_COMMAND (1 << 22) #define R1_APP_CMD (1 << 5) #define MMC_RSP_PRESENT (1 << 0) #define MMC_RSP_136 (1 << 1) /* 136 bit response */ #define MMC_RSP_CRC (1 << 2) /* expect valid crc */ #define MMC_RSP_BUSY (1 << 3) /* card may send busy */ #define MMC_RSP_OPCODE (1 << 4) /* response contains opcode */ #define MMC_RSP_NONE (0) #define MMC_RSP_R1 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define MMC_RSP_R1b (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE| \ MMC_RSP_BUSY) #define MMC_RSP_R2 (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC) #define MMC_RSP_R3 (MMC_RSP_PRESENT) #define MMC_RSP_R4 (MMC_RSP_PRESENT) #define MMC_RSP_R5 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) #define MMCPART_NOAVAILABLE (0xff) #define PART_ACCESS_MASK (0x7) #define PART_SUPPORT (0x1) #define ENHNCD_SUPPORT (0x2) #define PART_ENH_ATTRIB (0x1f) /* Maximum block size for MMC */ #define MMC_MAX_BLOCK_LEN 512 /* The number of MMC physical partitions. These consist of: * boot partitions (2), general purpose partitions (4) in MMC v4.4. */ #define MMC_NUM_BOOT_PARTITION 2 #define MMC_PART_RPMB 3 /* RPMB partition number */ struct mmc_cid { unsigned long psn; unsigned short oid; uint8_t mid; uint8_t prv; uint8_t mdt; char pnm[7]; }; struct mmc_cmd { u16 cmdidx; uint32_t resp_type; uint32_t cmdarg; uint32_t response[4]; }; struct mmc_data { union { char *dest; const char *src; /* src buffers don't get written to */ }; uint32_t flags; uint32_t blocks; uint32_t blocksize; }; /* forward decl. */ struct mmc; struct mmc_ops { int (*send_cmd)(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data); void (*set_ios)(struct mmc *mmc); int (*init)(struct mmc *mmc); int (*getcd)(struct mmc *mmc); int (*getwp)(struct mmc *mmc); }; struct mmc_config { const struct mmc_ops *ops; uint32_t host_caps; uint32_t voltages; uint32_t f_min; uint32_t f_max; uint32_t b_max; uint8_t part_type; }; /* TODO struct mmc should be in mmc_private but it's hard to fix right now */ struct mmc { const struct mmc_config *cfg; /* provided configuration */ uint32_t version; void *priv; uint32_t has_init; int high_capacity; uint32_t bus_width; uint32_t clock; uint32_t card_caps; uint32_t ocr; uint32_t dsr; uint32_t dsr_imp; uint32_t scr[2]; uint32_t csd[4]; uint32_t cid[4]; u16 rca; u8 part_support; u8 part_attr; u8 wr_rel_set; char part_config; char part_num; uint32_t tran_speed; uint32_t read_bl_len; uint32_t write_bl_len; uint32_t erase_grp_size; /* in 512-byte sectors */ uint32_t hc_wp_grp_size; /* in 512-byte sectors */ uint64_t capacity; uint64_t capacity_user; uint64_t capacity_boot; uint64_t capacity_rpmb; uint64_t capacity_gp[4]; uint64_t enh_user_start; uint64_t enh_user_size; block_dev_desc_t block_dev; char op_cond_pending; /* 1 if we are waiting on an op_cond command */ char init_in_progress; /* 1 if we have done mmc_start_init() */ char preinit; /* start init as early as possible */ int ddr_mode; }; struct mmc_hwpart_conf { struct { uint32_t enh_start; /* in 512-byte sectors */ uint32_t enh_size; /* in 512-byte sectors, if 0 no enh area */ unsigned wr_rel_change : 1; unsigned wr_rel_set : 1; } user; struct { uint32_t size; /* in 512-byte sectors */ unsigned enhanced : 1; unsigned wr_rel_change : 1; unsigned wr_rel_set : 1; } gp_part[4]; }; enum mmc_hwpart_conf_mode { MMC_HWPART_CONF_CHECK, MMC_HWPART_CONF_SET, MMC_HWPART_CONF_COMPLETE, }; struct sdmmcip_host { void *ioaddr; unsigned int quirks; unsigned int caps; unsigned int version; unsigned int clock; unsigned int bus_hz; unsigned int div; int dev_index; int dev_id; int buswidth; uint32_t fifoth_val; bool detect_enb; struct mmc *mmc; void *priv; void (*clksel)(struct sdmmcip_host *host); void (*board_init)(struct sdmmcip_host *host); unsigned int (*get_mmc_clk)(struct sdmmcip_host *host); struct mmc_config cfg; #ifdef HAL_SDMMC_USE_DMA /* TODO : os and non-os condition */ uint8_t dma_ch; volatile uint32_t sdmmc_dma_lock; HAL_DMA_IRQ_HANDLER_T tx_dma_handler; HAL_DMA_IRQ_HANDLER_T rx_dma_handler; #endif }; struct sdmmcip_idmac { uint32_t flags; uint32_t cnt; uint32_t addr; uint32_t next_addr; }; static void hal_sdmmc_delay(uint32_t ms); static HAL_SDMMC_DELAY_FUNC sdmmc_delay = NULL; static inline void sdmmcip_writel(struct sdmmcip_host *host, int reg, uint32_t val) { *((volatile uint32_t *)(host->ioaddr + reg)) = val; } static inline uint32_t sdmmcip_readl(struct sdmmcip_host *host, int reg) { return *((volatile uint32_t *)(host->ioaddr + reg)); } #ifdef CONFIG_MMC_SPI #define sdmmc_host_is_spi(mmc) ((mmc)->cfg->host_caps & MMC_MODE_SPI) #else #define sdmmc_host_is_spi(mmc) 0 #endif #ifndef CONFIG_SYS_MMC_MAX_BLK_COUNT #define CONFIG_SYS_MMC_MAX_BLK_COUNT 65535 #endif static void (*sdmmc_detected_callback)(uint8_t) = NULL; static uint32_t sdmmc_ip_base[HAL_SDMMC_ID_NUM] = {SDMMC_BASE, }; static struct sdmmcip_host sdmmc_host[HAL_SDMMC_ID_NUM]; static struct mmc sdmmc_devices[HAL_SDMMC_ID_NUM]; //static const char * const invalid_id = "Invalid SDMMC ID: %d\n"; #ifdef HAL_SDMMC_USE_DMA static void sdmmcip0_ext_dma_tx_handler(uint8_t chan, uint32_t remain_tsize, uint32_t error, struct HAL_DMA_DESC_T *lli); static void sdmmcip0_ext_dma_rx_handler(uint8_t chan, uint32_t remain_tsize, uint32_t error, struct HAL_DMA_DESC_T *lli); static HAL_DMA_IRQ_HANDLER_T sdmmcip_ext_dma_irq_handlers[HAL_SDMMC_ID_NUM*2] = { sdmmcip0_ext_dma_tx_handler, sdmmcip0_ext_dma_rx_handler, }; #endif uint32_t _sdmmc_div64_32(uint64_t *n, uint32_t base) { uint64_t rem = *n; uint64_t b = base; uint64_t res, d = 1; uint32_t high = rem >> 32; /* Reduce the thing a bit first */ res = 0; if (high >= base) { high /= base; res = (uint64_t) high << 32; rem -= (uint64_t) (high*base) << 32; } while ((int64_t)b > 0 && b < rem) { b = b+b; d = d+d; } do { if (rem >= b) { rem -= b; res += d; } b >>= 1; d >>= 1; } while (d); *n = res; return rem; } /* The unnecessary pointer compare is there * * to check for type safety (n must be 64bit) * */ # define _sdmmc_do_div(n,base) ({ \ uint32_t __base = (base); \ uint32_t __rem; \ (void)(((typeof((n)) *)0) == ((uint64_t *)0)); \ if (((n) >> 32) == 0) { \ __rem = (uint32_t)(n) % __base; \ (n) = (uint32_t)(n) / __base; \ } else \ __rem = _sdmmc_div64_32(&(n), __base); \ __rem; \ }) /* Wrapper for _sdmmc_do_div(). Doesn't modify dividend and returns * * the result, not reminder. * */ static inline uint64_t _sdmmc_lldiv(uint64_t dividend, uint32_t divisor) { uint64_t __res = dividend; _sdmmc_do_div(__res, divisor); return(__res); } static void mmc_udelay(int cnt) { volatile uint32_t i = 0, c = 0; for(i = 0; i < cnt; ++i) { c++; __asm("nop"); } } static int sdmmcip_wait_reset(struct sdmmcip_host *host, uint32_t value) { uint32_t ctrl; unsigned long timeout = 1000; sdmmcip_writel(host, SDMMCIP_REG_CTRL, value); while (timeout--) { ctrl = sdmmcip_readl(host, SDMMCIP_REG_CTRL); if (!(ctrl & SDMMCIP_REG_RESET_ALL)) return 1; } return 0; } #ifdef HAL_SDMMC_USE_DMA static void sdmmcip0_ext_dma_tx_handler(uint8_t chan, uint32_t remain_tsize, uint32_t error, struct HAL_DMA_DESC_T *lli) { uint32_t ip_raw_int_status = 0; struct sdmmcip_host *host = &sdmmc_host[HAL_SDMMC_ID_0]; HAL_SDMMC_TRACE(2,"%s:%d\n", __func__, __LINE__); ip_raw_int_status = sdmmcip_readl(host, SDMMCIP_REG_RINTSTS); HAL_SDMMC_TRACE(3,"%s:%d, tx ip_raw_int_status 0x%x\n", __func__, __LINE__, ip_raw_int_status); if (ip_raw_int_status & (SDMMCIP_REG_DATA_ERR|SDMMCIP_REG_DATA_TOUT)) { HAL_SDMMC_TRACE(3,"%s:%d, sdmmcip0 tx dma error 0x%x\n", __func__, __LINE__, ip_raw_int_status); } /* TODO : os and non-os condition */ host->sdmmc_dma_lock = 0; } static void sdmmcip0_ext_dma_rx_handler(uint8_t chan, uint32_t remain_tsize, uint32_t error, struct HAL_DMA_DESC_T *lli) { uint32_t ip_raw_int_status = 0; struct sdmmcip_host *host = &sdmmc_host[HAL_SDMMC_ID_0]; HAL_SDMMC_TRACE(2,"%s:%d\n", __func__, __LINE__); ip_raw_int_status = sdmmcip_readl(host, SDMMCIP_REG_RINTSTS); HAL_SDMMC_TRACE(3,"%s:%d, ip_raw_int_status 0x%x\n", __func__, __LINE__, ip_raw_int_status); if (ip_raw_int_status & (SDMMCIP_REG_DATA_ERR|SDMMCIP_REG_DATA_TOUT)) { HAL_SDMMC_TRACE(3,"%s:%d, sdmmcip0 rx dma error 0x%x\n", __func__, __LINE__, ip_raw_int_status); } /* TODO : os and non-os condition */ host->sdmmc_dma_lock = 0; } #endif static void sdmmcip_prepare_data(struct sdmmcip_host *host, struct mmc_data *data, struct sdmmcip_idmac *cur_idmac, void *bounce_buffer) { #ifdef HAL_SDMMC_USE_DMA uint32_t ctrl = 0; struct HAL_DMA_CH_CFG_T dma_cfg; #endif sdmmcip_writel(host, SDMMCIP_REG_BLKSIZ, data->blocksize); sdmmcip_writel(host, SDMMCIP_REG_BYTCNT, data->blocksize * data->blocks); /* use dma */ #ifdef HAL_SDMMC_USE_DMA HAL_SDMMC_TRACE(0,"sdmmc use dma\n"); /* enable sdmmcip e-dma */ ctrl = sdmmcip_readl(host, SDMMCIP_REG_CTRL); ctrl |= (SDMMCIP_REG_DMA_EN); sdmmcip_writel(host, SDMMCIP_REG_CTRL, ctrl); host->sdmmc_dma_lock = 1; memset(&dma_cfg, 0, sizeof(dma_cfg)); if (data->flags & MMC_DATA_READ) { HAL_SDMMC_TRACE(0,"sdmmc use dma read\n"); dma_cfg.dst = (uint32_t)data->dest; //HAL_SDMMC_TRACE(2,"sddma :len %d, buf 0x%x\n", data->blocksize*data->blocks, dma_cfg.dst); if ((dma_cfg.dst % 4) != 0) { dma_cfg.dst_width = HAL_DMA_WIDTH_BYTE; } else { dma_cfg.dst_width = HAL_DMA_WIDTH_WORD; } dma_cfg.dst_bsize = HAL_DMA_BSIZE_1; dma_cfg.dst_periph = 0; // useless //dma_cfg.dst_width = HAL_DMA_WIDTH_WORD; dma_cfg.handler = host->rx_dma_handler; dma_cfg.src_bsize = HAL_DMA_BSIZE_1; dma_cfg.src_periph = HAL_GPDMA_SDMMC; dma_cfg.src_tsize = data->blocks*data->blocksize/4; HAL_SDMMC_TRACE(1,"sdmmc use dma tsize %d\n", dma_cfg.src_tsize); dma_cfg.src_width = HAL_DMA_WIDTH_WORD; dma_cfg.try_burst = 1; dma_cfg.type = HAL_DMA_FLOW_P2M_DMA; dma_cfg.src = (uint32_t)0; // useless dma_cfg.ch = hal_gpdma_get_chan(dma_cfg.src_periph, HAL_DMA_HIGH_PRIO); HAL_SDMMC_TRACE(1,"sdmmc use dma get ch %d\n", dma_cfg.ch); } else { HAL_SDMMC_TRACE(0,"sdmmc use dma write\n"); dma_cfg.dst = 0; // useless dma_cfg.dst_bsize = HAL_DMA_BSIZE_1; dma_cfg.dst_periph = HAL_GPDMA_SDMMC; dma_cfg.dst_width = HAL_DMA_WIDTH_WORD; dma_cfg.handler = host->tx_dma_handler; dma_cfg.src_bsize = HAL_DMA_BSIZE_1; dma_cfg.src_periph = 0; // useless //dma_cfg.src_tsize = data->blocks*data->blocksize/4; HAL_SDMMC_TRACE(1,"sdmmc use dma tsize %d\n", dma_cfg.src_tsize); //dma_cfg.src_width = HAL_DMA_WIDTH_WORD; dma_cfg.try_burst = 1; dma_cfg.type = HAL_DMA_FLOW_M2P_DMA; dma_cfg.src = (uint32_t)data->src; //uart_printf("sddma :len %d, buf 0x%x\n", data->blocksize*data->blocks, dma_cfg.src); if ((dma_cfg.src % 4) != 0) { dma_cfg.src_width = HAL_DMA_WIDTH_BYTE; dma_cfg.src_tsize = data->blocks*data->blocksize; } else { dma_cfg.src_width = HAL_DMA_WIDTH_WORD; dma_cfg.src_tsize = data->blocks*data->blocksize/4; } dma_cfg.ch = hal_gpdma_get_chan(dma_cfg.dst_periph, HAL_DMA_HIGH_PRIO); HAL_SDMMC_TRACE(1,"sdmmc use dma get ch %d\n", dma_cfg.ch); //uart_printf("%s:%d src 0x%x\n", __func__, __LINE__, dma_cfg.src); } host->dma_ch = dma_cfg.ch; hal_gpdma_start(&dma_cfg); #endif } static int sdmmcip_set_transfer_mode(struct sdmmcip_host *host, struct mmc_data *data) { unsigned long mode; mode = SDMMCIP_REG_CMD_DATA_EXP; if (data->flags & MMC_DATA_WRITE) mode |= SDMMCIP_REG_CMD_RW; return mode; } static int sdmmcip_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) { int ret = 0; int flags = 0, i; uint32_t retry = 1000000; uint32_t mask, ctrl; int busy_tmo = MS_TO_TICKS(1000), busy_t = 0; #ifndef HAL_SDMMC_USE_DMA uint32_t status = 0, fifo_data = 0; #endif struct sdmmcip_host *host = mmc->priv; busy_t = hal_sys_timer_get(); while ((sdmmcip_readl(host, SDMMCIP_REG_STATUS) & SDMMCIP_REG_BUSY) && hal_sys_timer_get()<(busy_t+busy_tmo)) { HAL_SDMMC_TRACE(0,"[sdmmc]busy\n"); } sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, SDMMCIP_REG_INTMSK_CD); if (data) { sdmmcip_prepare_data(host, data, 0, 0); } sdmmcip_writel(host, SDMMCIP_REG_CMDARG, cmd->cmdarg); if (data) flags = sdmmcip_set_transfer_mode(host, data); if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY)) return -1; if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) flags |= SDMMCIP_REG_CMD_ABORT_STOP; else flags |= SDMMCIP_REG_CMD_PRV_DAT_WAIT; if (cmd->resp_type & MMC_RSP_PRESENT) { flags |= SDMMCIP_REG_CMD_RESP_EXP; if (cmd->resp_type & MMC_RSP_136) flags |= SDMMCIP_REG_CMD_RESP_LENGTH; } if (cmd->resp_type & MMC_RSP_CRC) flags |= SDMMCIP_REG_CMD_CHECK_CRC; flags |= (cmd->cmdidx | SDMMCIP_REG_CMD_START | SDMMCIP_REG_CMD_USE_HOLD_REG); sdmmcip_writel(host, SDMMCIP_REG_CMD, flags); for (i = 0; i < retry; i++) { mask = sdmmcip_readl(host, SDMMCIP_REG_RINTSTS); if (mask & SDMMCIP_REG_INTMSK_CDONE) { if (!data) sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, SDMMCIP_REG_INTMSK_CDONE); break; } } if (i == retry) { HAL_SDMMC_TRACE(1,"%s: Timeout.\n", __func__); return TIMEOUT; } if (mask & SDMMCIP_REG_INTMSK_RTO) { /* * Timeout here is not necessarily fatal. (e)MMC cards * will splat here when they receive CMD55 as they do * not support this command and that is exactly the way * to tell them apart from SD cards. Thus, this output * below shall be TRACE(). eMMC cards also do not favor * CMD8, please keep that in mind. */ HAL_SDMMC_TRACE(1,"%s: Response Timeout.\n", __func__); return TIMEOUT; } else if (mask & SDMMCIP_REG_INTMSK_RE) { HAL_SDMMC_TRACE(1,"%s: Response Error.\n", __func__); return -1; } if (cmd->resp_type & MMC_RSP_PRESENT) { if (cmd->resp_type & MMC_RSP_136) { cmd->response[0] = sdmmcip_readl(host, SDMMCIP_REG_RESP3); cmd->response[1] = sdmmcip_readl(host, SDMMCIP_REG_RESP2); cmd->response[2] = sdmmcip_readl(host, SDMMCIP_REG_RESP1); cmd->response[3] = sdmmcip_readl(host, SDMMCIP_REG_RESP0); } else { cmd->response[0] = sdmmcip_readl(host, SDMMCIP_REG_RESP0); } } #ifndef HAL_SDMMC_USE_DMA if (data) { i = 0; while(1) { mask = sdmmcip_readl(host, SDMMCIP_REG_RINTSTS); if (mask & (SDMMCIP_REG_DATA_ERR | SDMMCIP_REG_DATA_TOUT)) { HAL_SDMMC_TRACE(1,"%s: READ DATA ERROR!\n", __func__); ret = -1; goto out; } status = sdmmcip_readl(host, SDMMCIP_REG_STATUS); if (data->flags == MMC_DATA_READ) { if (status & SDMMCIP_REG_FIFO_COUNT_MASK) { fifo_data = sdmmcip_readl(host, SDMMCIP_REG_FIFO_OFFSET); //HAL_SDMMC_TRACE(3,"%s: count %d, read -> 0x%x\n", __func__, i, fifo_data); /* FIXME: now we just deal with 32bit width fifo one time */ if (i < data->blocks*data->blocksize) { memcpy(data->dest + i, &fifo_data, sizeof(fifo_data)); i += sizeof(fifo_data); } else { HAL_SDMMC_TRACE(1,"%s: fifo data too much\n", __func__); ret = -1; goto out; } } /* nothing to read from fifo and DTO is set */ else if(mask & SDMMCIP_REG_INTMSK_DTO) { if(i != data->blocks*data->blocksize) { HAL_SDMMC_TRACE(3,"%s: need to read %d, actually read %d\n", __func__, data->blocks*data->blocksize, i); } ret = 0; goto out; } } else { /* nothing to write to fifo and DTO is set */ if(mask & SDMMCIP_REG_INTMSK_DTO) { /* check if number is right */ if(i != data->blocks*data->blocksize) { HAL_SDMMC_TRACE(3,"%s: need to write %d, actually written %d\n", __func__, data->blocks*data->blocksize, i); } ret = 0; goto out; } else if (!(status & SDMMCIP_REG_FIFO_COUNT_MASK)) { /* FIXME: now we just deal with 32bit width fifo one time */ if(i < data->blocks*data->blocksize) { memcpy(&fifo_data, data->src + i, sizeof(fifo_data)); //HAL_SDMMC_TRACE(4,"%s: fifo %d, count %d, write -> 0x%x\n", __func__, ((status & SDMMCIP_REG_FIFO_COUNT_MASK)>>SDMMCIP_REG_FIFO_COUNT_SHIFT), i, fifo_data); i += sizeof(fifo_data); sdmmcip_writel(host, SDMMCIP_REG_FIFO_OFFSET, fifo_data); } else { HAL_SDMMC_TRACE(1,"%s: no data to write to fifo, do nothing\n", __func__); } } } } } #endif #ifdef HAL_SDMMC_USE_DMA while (host->sdmmc_dma_lock); ctrl = sdmmcip_readl(host, SDMMCIP_REG_CTRL); ctrl |= SDMMCIP_REG_CTRL_DMA_RESET; sdmmcip_wait_reset(host, ctrl); if (data) { hal_gpdma_free_chan(host->dma_ch); #if 0 if (data->flags & MMC_DATA_READ) { for (int ccc = 0; ccc < 400; ++ccc) { HAL_SDMMC_TRACE(2,"%d-0x%x ", ccc, data->dest[ccc]); } HAL_SDMMC_TRACE(0,"\n"); } #endif } #endif #ifndef HAL_SDMMC_USE_DMA out: #endif mask = sdmmcip_readl(host, SDMMCIP_REG_RINTSTS); sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, mask&(~SDMMCIP_REG_INTMSK_CD)); ctrl = sdmmcip_readl(host, SDMMCIP_REG_CTRL); ctrl &= ~(SDMMCIP_REG_DMA_EN); sdmmcip_writel(host, SDMMCIP_REG_CTRL, ctrl); mmc_udelay(100); return ret; } static int sdmmcip_setup_bus(struct sdmmcip_host *host, uint32_t freq) { uint32_t div, status; int timeout = 10000; unsigned long sclk; if ((freq == host->clock) || (freq == 0)) return 0; /* * If host->get_mmc_clk isn't defined, * then assume that host->bus_hz is source clock value. * host->bus_hz should be set by user. */ if (host->get_mmc_clk) sclk = host->get_mmc_clk(host); else if (host->bus_hz) sclk = host->bus_hz; else { HAL_SDMMC_TRACE(1,"%s: Didn't get source clock value.\n", __func__); return -EINVAL; } if (sclk == freq) div = 0; /* bypass mode */ else div = _SDMMC_DIV_ROUND_UP(sclk, 2 * freq); HAL_SDMMC_TRACE(4,"%s : freq %d, sclk %ld, div %d\n", __func__, freq, sclk, div); sdmmcip_writel(host, SDMMCIP_REG_CLKENA, 0); //sdmmcip_writel(host, SDMMCIP_REG_CLKSRC, 0); //sdmmcip_writel(host, SDMMCIP_REG_CLKSRC, 0x03000000); //sdmmcip_writel(host, SDMMCIP_REG_CLKSRC, 0x11000000); sdmmcip_writel(host, SDMMCIP_REG_CLKDIV, div); sdmmcip_writel(host, SDMMCIP_REG_CMD, SDMMCIP_REG_CMD_PRV_DAT_WAIT | SDMMCIP_REG_CMD_UPD_CLK | SDMMCIP_REG_CMD_START); do { status = sdmmcip_readl(host, SDMMCIP_REG_CMD); if (timeout-- < 0) { HAL_SDMMC_TRACE(1,"%s: Timeout!\n", __func__); return -ETIMEDOUT; } } while (status & SDMMCIP_REG_CMD_START); sdmmcip_writel(host, SDMMCIP_REG_CLKENA, SDMMCIP_REG_CLKEN_ENABLE | SDMMCIP_REG_CLKEN_LOW_PWR); //sdmmcip_writel(host, SDMMCIP_REG_CLKENA, SDMMCIP_REG_CLKEN_ENABLE); sdmmcip_writel(host, SDMMCIP_REG_CMD, SDMMCIP_REG_CMD_PRV_DAT_WAIT | SDMMCIP_REG_CMD_UPD_CLK | SDMMCIP_REG_CMD_START); timeout = 10000; do { status = sdmmcip_readl(host, SDMMCIP_REG_CMD); if (timeout-- < 0) { HAL_SDMMC_TRACE(1,"%s: Timeout!\n", __func__); return -ETIMEDOUT; } } while (status & SDMMCIP_REG_CMD_START); host->clock = freq; return 0; } static void sdmmcip_set_ios(struct mmc *mmc) { struct sdmmcip_host *host = (struct sdmmcip_host *)mmc->priv; uint32_t ctype, regs; HAL_SDMMC_TRACE(2,"Buswidth = %d, clock: %d\n", mmc->bus_width, mmc->clock); sdmmcip_setup_bus(host, mmc->clock); switch (mmc->bus_width) { case 8: ctype = SDMMCIP_REG_CTYPE_8BIT; break; case 4: ctype = SDMMCIP_REG_CTYPE_4BIT; break; default: ctype = SDMMCIP_REG_CTYPE_1BIT; break; } sdmmcip_writel(host, SDMMCIP_REG_CTYPE, ctype); regs = sdmmcip_readl(host, SDMMCIP_REG_UHS_REG); if (mmc->ddr_mode) regs |= SDMMCIP_REG_DDR_MODE; else regs &= ~SDMMCIP_REG_DDR_MODE; sdmmcip_writel(host, SDMMCIP_REG_UHS_REG, regs); if (host->clksel) host->clksel(host); } static int sdmmcip_init(struct mmc *mmc) { struct sdmmcip_host *host = mmc->priv; if (host->board_init) host->board_init(host); HAL_SDMMC_TRACE(2,"host->ioaddr %x, SDMMCIP_REG_PWREN %x\n", host->ioaddr, SDMMCIP_REG_PWREN); sdmmcip_writel(host, SDMMCIP_REG_PWREN, 1); if (!sdmmcip_wait_reset(host, SDMMCIP_REG_RESET_ALL)) { HAL_SDMMC_TRACE(2,"%s[%d] Fail-reset!!\n", __func__, __LINE__); return -1; } /* Enumerate at 400KHz */ sdmmcip_setup_bus(host, mmc->cfg->f_min); if (host->detect_enb){ sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, SDMMCIP_REG_INTMSK_ALL&(~SDMMCIP_REG_INTMSK_CD)); sdmmcip_writel(host, SDMMCIP_REG_INTMASK, SDMMCIP_REG_INTMSK_CD); sdmmcip_writel(host, SDMMCIP_REG_CTRL, SDMMCIP_REG_INT_EN); }else{ sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, SDMMCIP_REG_INTMSK_ALL); sdmmcip_writel(host, SDMMCIP_REG_INTMASK, ~SDMMCIP_REG_INTMSK_ALL); } sdmmcip_writel(host, SDMMCIP_REG_TMOUT, 0xFFFFFFFF); sdmmcip_writel(host, SDMMCIP_REG_IDINTEN, 0); sdmmcip_writel(host, SDMMCIP_REG_BMOD, 1); sdmmcip_writel(host, SDMMCIP_REG_FIFOTH, host->fifoth_val); sdmmcip_writel(host, SDMMCIP_REG_CLKENA, 0); //sdmmcip_writel(host, SDMMCIP_REG_CLKSRC, 0); //sdmmcip_writel(host, SDMMCIP_REG_CLKSRC, 0x03000000); //sdmmcip_writel(host, SDMMCIP_REG_CLKSRC, 0x11000000); sdmmcip_writel(host, SDMMCIP_REG_RESET_CARD, 0); mmc_udelay(1000); sdmmcip_writel(host, SDMMCIP_REG_RESET_CARD, 1); mmc_udelay(1000); mmc_udelay(1000); sdmmcip_writel(host, SDMMCIP_REG_RESET_CARD, 0); //sdmmcip_writel(host, SDMMCIP_REG_RESET_CARD, 1); return 0; } static const struct mmc_ops sdmmcip_ops = { .send_cmd = sdmmcip_send_cmd, .set_ios = sdmmcip_set_ios, .init = sdmmcip_init, }; int board_mmc_getcd(struct mmc *mmc) { return -1; } int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) { int ret; int i; uint8_t *ptr; HAL_SDMMC_TRACE(1,"CMD_SEND:%d\n", cmd->cmdidx); HAL_SDMMC_TRACE(1,"\t\tARG\t\t\t 0x%08X\n", cmd->cmdarg); ret = mmc->cfg->ops->send_cmd(mmc, cmd, data); HAL_SDMMC_TRACE(0,"send cmd end..."); switch (cmd->resp_type) { case MMC_RSP_NONE: HAL_SDMMC_TRACE(0,"\t\tMMC_RSP_NONE\n"); break; case MMC_RSP_R1: HAL_SDMMC_TRACE(1,"\t\tMMC_RSP_R1,5,6,7 \t 0x%08X \n", cmd->response[0]); break; case MMC_RSP_R1b: HAL_SDMMC_TRACE(1,"\t\tMMC_RSP_R1b\t\t 0x%08X \n", cmd->response[0]); break; case MMC_RSP_R2: HAL_SDMMC_TRACE(1,"\t\tMMC_RSP_R2\t\t 0x%08X \n", cmd->response[0]); HAL_SDMMC_TRACE(1,"\t\t \t\t 0x%08X \n", cmd->response[1]); HAL_SDMMC_TRACE(1,"\t\t \t\t 0x%08X \n", cmd->response[2]); HAL_SDMMC_TRACE(1,"\t\t \t\t 0x%08X \n", cmd->response[3]); HAL_SDMMC_TRACE(0,"\n"); HAL_SDMMC_TRACE(0,"\t\t\t\t\tDUMPING DATA\n"); for (i = 0; i < 4; i++) { int j; HAL_SDMMC_TRACE(1,"\t\t\t\t\t%03d - ", i*4); ptr = (uint8_t *)&cmd->response[i]; ptr += 3; for (j = 0; j < 4; j++) HAL_SDMMC_TRACE(1,"%02X ", *ptr--); HAL_SDMMC_TRACE(0,"\n"); } break; case MMC_RSP_R3: HAL_SDMMC_TRACE(1,"\t\tMMC_RSP_R3,4\t\t 0x%08X \n", cmd->response[0]); break; default: HAL_SDMMC_TRACE(0,"\t\tERROR MMC rsp not supported\n"); break; } return ret; } int mmc_send_status(struct mmc *mmc, int timeout) { struct mmc_cmd cmd; int err, retries = 5; int POSSIBLY_UNUSED status; cmd.cmdidx = MMC_CMD_SEND_STATUS; cmd.resp_type = MMC_RSP_R1; if (!sdmmc_host_is_spi(mmc)) cmd.cmdarg = mmc->rca << 16; while (1) { err = mmc_send_cmd(mmc, &cmd, NULL); if (!err) { if ((cmd.response[0] & MMC_STATUS_RDY_FOR_DATA) && (cmd.response[0] & MMC_STATUS_CURR_STATE) != MMC_STATE_PRG) break; else if (cmd.response[0] & MMC_STATUS_MASK) { return COMM_ERR; } } else if (--retries < 0) return err; if (timeout-- <= 0) break; mmc_udelay(1000); } status = (cmd.response[0] & MMC_STATUS_CURR_STATE) >> 9; HAL_SDMMC_TRACE(1,"CURR STATE:%d\n", status); if (timeout <= 0) { return TIMEOUT; } if (cmd.response[0] & MMC_STATUS_SWITCH_ERROR) return SWITCH_ERR; return 0; } int mmc_set_blocklen(struct mmc *mmc, int len) { struct mmc_cmd cmd; if (mmc->ddr_mode) return 0; cmd.cmdidx = MMC_CMD_SET_BLOCKLEN; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = len; return mmc_send_cmd(mmc, &cmd, NULL); } struct mmc *find_mmc_device(int dev_num) { return &sdmmc_devices[dev_num]; } static int mmc_read_blocks(struct mmc *mmc, void *dst, uint32_t start, uint32_t blkcnt) { struct mmc_cmd cmd; struct mmc_data data; if (blkcnt > 1) cmd.cmdidx = MMC_CMD_READ_MULTIPLE_BLOCK; else cmd.cmdidx = MMC_CMD_READ_SINGLE_BLOCK; if (mmc->high_capacity) cmd.cmdarg = start; else cmd.cmdarg = start * mmc->read_bl_len; cmd.resp_type = MMC_RSP_R1; data.dest = dst; data.blocks = blkcnt; data.blocksize = mmc->read_bl_len; data.flags = MMC_DATA_READ; if (mmc_send_cmd(mmc, &cmd, &data)) return 0; if (blkcnt > 1) { cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION; cmd.cmdarg = 0; cmd.resp_type = MMC_RSP_R1b; if (mmc_send_cmd(mmc, &cmd, NULL)) { return 0; } } return blkcnt; } static unsigned long mmc_bread(int dev_num, uint32_t start, uint32_t blkcnt, void *dst) { uint32_t cur, blocks_todo = blkcnt; if (blkcnt == 0) return 0; struct mmc *mmc = find_mmc_device(dev_num); if (!mmc) return 0; if ((start + blkcnt) > mmc->block_dev.lba) { return 0; } if (mmc_set_blocklen(mmc, mmc->read_bl_len)) return 0; do { cur = (blocks_todo > mmc->cfg->b_max) ? mmc->cfg->b_max : blocks_todo; if(mmc_read_blocks(mmc, dst, start, cur) != cur) return 0; blocks_todo -= cur; start += cur; dst += cur * mmc->read_bl_len; } while (blocks_todo > 0); return blkcnt; } static unsigned long mmc_erase_t(struct mmc *mmc, unsigned long start, uint32_t blkcnt) { struct mmc_cmd cmd; unsigned long end; int err, start_cmd, end_cmd; if (mmc->high_capacity) { end = start + blkcnt - 1; } else { end = (start + blkcnt - 1) * mmc->write_bl_len; start *= mmc->write_bl_len; } if (IS_SD(mmc)) { start_cmd = SD_CMD_ERASE_WR_BLK_START; end_cmd = SD_CMD_ERASE_WR_BLK_END; } else { start_cmd = MMC_CMD_ERASE_GROUP_START; end_cmd = MMC_CMD_ERASE_GROUP_END; } cmd.cmdidx = start_cmd; cmd.cmdarg = start; cmd.resp_type = MMC_RSP_R1; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) goto err_out; cmd.cmdidx = end_cmd; cmd.cmdarg = end; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) goto err_out; cmd.cmdidx = MMC_CMD_ERASE; cmd.cmdarg = SECURE_ERASE; cmd.resp_type = MMC_RSP_R1b; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) goto err_out; return 0; err_out: //puts("mmc erase failed\n"); return err; } unsigned long mmc_berase(int dev_num, uint32_t start, uint32_t blkcnt) { int err = 0; struct mmc *mmc = find_mmc_device(dev_num); uint32_t blk = 0, blk_r = 0; int timeout = 1000; if (!mmc) return -1; if ((start % mmc->erase_grp_size) || (blkcnt % mmc->erase_grp_size)) //printf("\n\nCaution! Your devices Erase group is 0x%x\n" // "The erase range would be change to " // "0x" LBAF "~0x" LBAF "\n\n", // mmc->erase_grp_size, start & ~(mmc->erase_grp_size - 1), // ((start + blkcnt + mmc->erase_grp_size) // & ~(mmc->erase_grp_size - 1)) - 1); while (blk < blkcnt) { blk_r = ((blkcnt - blk) > mmc->erase_grp_size) ? mmc->erase_grp_size : (blkcnt - blk); err = mmc_erase_t(mmc, start + blk, blk_r); if (err) break; blk += blk_r; /* Waiting for the ready status */ if (mmc_send_status(mmc, timeout)) return 0; } return blk; } static unsigned long mmc_write_blocks(struct mmc *mmc, uint32_t start, uint32_t blkcnt, const void *src) { struct mmc_cmd cmd; struct mmc_data data; int timeout = 1000; if ((start + blkcnt) > mmc->block_dev.lba) { return 0; } if (blkcnt == 0) return 0; else if (blkcnt == 1) cmd.cmdidx = MMC_CMD_WRITE_SINGLE_BLOCK; else cmd.cmdidx = MMC_CMD_WRITE_MULTIPLE_BLOCK; if (mmc->high_capacity) cmd.cmdarg = start; else cmd.cmdarg = start * mmc->write_bl_len; cmd.resp_type = MMC_RSP_R1; data.src = src; data.blocks = blkcnt; data.blocksize = mmc->write_bl_len; data.flags = MMC_DATA_WRITE; if (mmc_send_cmd(mmc, &cmd, &data)) { HAL_SDMMC_TRACE(0,"mmc write failed\n"); return 0; } /* SPI multiblock writes terminate using a special * token, not a STOP_TRANSMISSION request. */ if (!sdmmc_host_is_spi(mmc) && blkcnt > 1) { cmd.cmdidx = MMC_CMD_STOP_TRANSMISSION; cmd.cmdarg = 0; cmd.resp_type = MMC_RSP_R1b; if (mmc_send_cmd(mmc, &cmd, NULL)) { HAL_SDMMC_TRACE(0,"mmc fail to send stop cmd\n"); return 0; } } /* Waiting for the ready status */ if (mmc_send_status(mmc, timeout)) return 0; return blkcnt; } unsigned long mmc_bwrite(int dev_num, uint32_t start, uint32_t blkcnt, const void *src) { uint32_t cur, blocks_todo = blkcnt; struct mmc *mmc = find_mmc_device(dev_num); if (!mmc) return 0; if (mmc_set_blocklen(mmc, mmc->write_bl_len)) return 0; do { cur = (blocks_todo > mmc->cfg->b_max) ? mmc->cfg->b_max : blocks_todo; if (mmc_write_blocks(mmc, start, cur, src) != cur) return 0; blocks_todo -= cur; start += cur; src += cur * mmc->write_bl_len; } while (blocks_todo > 0); return blkcnt; } static int mmc_go_idle(struct mmc *mmc) { struct mmc_cmd cmd; int err; mmc_udelay(1000); cmd.cmdidx = MMC_CMD_GO_IDLE_STATE; cmd.cmdarg = 0; cmd.resp_type = MMC_RSP_NONE; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; mmc_udelay(2000); return 0; } static int sd_send_op_cond(struct mmc *mmc) { int timeout = 1000; int err; struct mmc_cmd cmd; while (1) { cmd.cmdidx = MMC_CMD_APP_CMD; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = 0; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; cmd.cmdidx = SD_CMD_APP_SEND_OP_COND; cmd.resp_type = MMC_RSP_R3; /* * Most cards do not answer if some reserved bits * in the ocr are set. However, Some controller * can set bit 7 (reserved for low voltages), but * how to manage low voltages SD card is not yet * specified. */ cmd.cmdarg = sdmmc_host_is_spi(mmc) ? 0 : (mmc->cfg->voltages & 0xff8000); if (mmc->version == SD_VERSION_2) cmd.cmdarg |= OCR_HCS; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; if (cmd.response[0] & OCR_BUSY) break; if (timeout-- <= 0) return UNUSABLE_ERR; mmc_udelay(1000); } if (mmc->version != SD_VERSION_2) mmc->version = SD_VERSION_1_0; if (sdmmc_host_is_spi(mmc)) { /* read OCR for spi */ cmd.cmdidx = MMC_CMD_SPI_READ_OCR; cmd.resp_type = MMC_RSP_R3; cmd.cmdarg = 0; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; } mmc->ocr = cmd.response[0]; mmc->high_capacity = ((mmc->ocr & OCR_HCS) == OCR_HCS); mmc->rca = 0; return 0; } static int mmc_send_op_cond_iter(struct mmc *mmc, int use_arg) { struct mmc_cmd cmd; int err; cmd.cmdidx = MMC_CMD_SEND_OP_COND; cmd.resp_type = MMC_RSP_R3; cmd.cmdarg = 0; if (use_arg && !sdmmc_host_is_spi(mmc)) cmd.cmdarg = OCR_HCS | (mmc->cfg->voltages & (mmc->ocr & OCR_VOLTAGE_MASK)) | (mmc->ocr & OCR_ACCESS_MODE); err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; mmc->ocr = cmd.response[0]; return 0; } static int mmc_send_op_cond(struct mmc *mmc) { int err, i; /* Some cards seem to need this */ // mmc_go_idle(mmc); /* Asking to the card its capabilities */ for (i = 0; i < 2; i++) { err = mmc_send_op_cond_iter(mmc, i != 0); if (err) return err; /* exit if not busy (flag seems to be inverted) */ if (mmc->ocr & OCR_BUSY) break; } mmc->op_cond_pending = 1; return 0; } static int mmc_complete_op_cond(struct mmc *mmc) { struct mmc_cmd cmd; int err; mmc->op_cond_pending = 0; if (!(mmc->ocr & OCR_BUSY)) { while (1) { err = mmc_send_op_cond_iter(mmc, 1); if (err) return err; if (mmc->ocr & OCR_BUSY) break; mmc_udelay(100); } } if (sdmmc_host_is_spi(mmc)) { /* read OCR for spi */ cmd.cmdidx = MMC_CMD_SPI_READ_OCR; cmd.resp_type = MMC_RSP_R3; cmd.cmdarg = 0; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; mmc->ocr = cmd.response[0]; } mmc->version = MMC_VERSION_UNKNOWN; mmc->high_capacity = ((mmc->ocr & OCR_HCS) == OCR_HCS); mmc->rca = 1; return 0; } static int mmc_send_ext_csd(struct mmc *mmc, uint8_t *ext_csd) { struct mmc_cmd cmd; struct mmc_data data; int err; /* Get the Card Status Register */ cmd.cmdidx = MMC_CMD_SEND_EXT_CSD; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = 0; data.dest = (char *)ext_csd; data.blocks = 1; data.blocksize = MMC_MAX_BLOCK_LEN; data.flags = MMC_DATA_READ; HAL_SDMMC_TRACE(1,"[%s] start...", __func__); err = mmc_send_cmd(mmc, &cmd, &data); HAL_SDMMC_TRACE(2,"[%s] err = %d", __func__, err); return err; } static int mmc_switch(struct mmc *mmc, uint8_t set, uint8_t index, uint8_t value) { struct mmc_cmd cmd; int timeout = 1000; int ret; cmd.cmdidx = MMC_CMD_SWITCH; cmd.resp_type = MMC_RSP_R1b; cmd.cmdarg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) | (index << 16) | (value << 8); ret = mmc_send_cmd(mmc, &cmd, NULL); /* Waiting for the ready status */ if (!ret) ret = mmc_send_status(mmc, timeout); return ret; } static int mmc_change_freq(struct mmc *mmc) { _SDMMC_ALLOC_CACHE_ALIGN_BUFFER(uint8_t, ext_csd, MMC_MAX_BLOCK_LEN); char cardtype; int err; mmc->card_caps = 0; if (sdmmc_host_is_spi(mmc)) return 0; /* Only version 4 supports high-speed */ if (mmc->version < MMC_VERSION_4) return 0; mmc->card_caps |= MMC_MODE_4BIT | MMC_MODE_8BIT; err = mmc_send_ext_csd(mmc, ext_csd); if (err) return err; cardtype = ext_csd[EXT_CSD_CARD_TYPE] & 0xf; err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 1); if (err) return err == SWITCH_ERR ? 0 : err; /* Now check to see that it worked */ err = mmc_send_ext_csd(mmc, ext_csd); if (err) return err; /* No high-speed support */ if (!ext_csd[EXT_CSD_HS_TIMING]) return 0; /* High Speed is set, there are two types: 52MHz and 26MHz */ if (cardtype & EXT_CSD_CARD_TYPE_52) { if (cardtype & EXT_CSD_CARD_TYPE_DDR_1_8V) mmc->card_caps |= MMC_MODE_DDR_52MHz; mmc->card_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; } else { mmc->card_caps |= MMC_MODE_HS; } return 0; } static int mmc_set_capacity(struct mmc *mmc, int part_num) { switch (part_num) { case 0: mmc->capacity = mmc->capacity_user; break; case 1: case 2: mmc->capacity = mmc->capacity_boot; break; case 3: mmc->capacity = mmc->capacity_rpmb; break; case 4: case 5: case 6: case 7: mmc->capacity = mmc->capacity_gp[part_num - 4]; break; default: return -1; } mmc->block_dev.lba = _sdmmc_lldiv(mmc->capacity, mmc->read_bl_len); return 0; } int mmc_getcd(struct mmc *mmc) { int cd; cd = board_mmc_getcd(mmc); if (cd < 0) { if (mmc->cfg->ops->getcd) cd = mmc->cfg->ops->getcd(mmc); else cd = 1; } return cd; } static int sd_switch(struct mmc *mmc, int mode, int group, uint8_t value, uint8_t *resp) { struct mmc_cmd cmd; struct mmc_data data; /* Switch the frequency */ cmd.cmdidx = SD_CMD_SWITCH_FUNC; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = (mode << 31) | 0xffffff; cmd.cmdarg &= ~(0xf << (group * 4)); cmd.cmdarg |= value << (group * 4); data.dest = (char *)resp; data.blocksize = 64; data.blocks = 1; data.flags = MMC_DATA_READ; hal_sdmmc_delay(1); return mmc_send_cmd(mmc, &cmd, &data); } static int sd_change_freq(struct mmc *mmc) { int err; struct mmc_cmd cmd; _SDMMC_ALLOC_CACHE_ALIGN_BUFFER(uint32_t, scr, 2); _SDMMC_ALLOC_CACHE_ALIGN_BUFFER(uint32_t, switch_status, 16); struct mmc_data data; int timeout; mmc->card_caps = 0; if (sdmmc_host_is_spi(mmc)) return 0; /* Read the SCR to find out if this card supports higher speeds */ cmd.cmdidx = MMC_CMD_APP_CMD; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = mmc->rca << 16; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; cmd.cmdidx = SD_CMD_APP_SEND_SCR; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = 0; timeout = 3; retry_scr: data.dest = (char *)scr; data.blocksize = 8; data.blocks = 1; data.flags = MMC_DATA_READ; err = mmc_send_cmd(mmc, &cmd, &data); if (err) { if (timeout--) goto retry_scr; return err; } mmc->scr[0] = _sdmmc_be32_to_cpu(scr[0]); mmc->scr[1] = _sdmmc_be32_to_cpu(scr[1]); switch ((mmc->scr[0] >> 24) & 0xf) { case 0: mmc->version = SD_VERSION_1_0; break; case 1: mmc->version = SD_VERSION_1_10; break; case 2: mmc->version = SD_VERSION_2; if ((mmc->scr[0] >> 15) & 0x1) mmc->version = SD_VERSION_3; break; default: mmc->version = SD_VERSION_1_0; break; } if (mmc->scr[0] & SD_DATA_4BIT) mmc->card_caps |= MMC_MODE_4BIT; /* Version 1.0 doesn't support switching */ if (mmc->version == SD_VERSION_1_0) return 0; timeout = 4; while (timeout--) { err = sd_switch(mmc, SD_SWITCH_CHECK, 0, 1, (uint8_t *)switch_status); if (err) return err; /* The high-speed function is busy. Try again */ if (!(_sdmmc_be32_to_cpu(switch_status[7]) & SD_HIGHSPEED_BUSY)) break; } /* If high-speed isn't supported, we return */ if (!(_sdmmc_be32_to_cpu(switch_status[3]) & SD_HIGHSPEED_SUPPORTED)) return 0; /* * If the host doesn't support SD_HIGHSPEED, do not switch card to * HIGHSPEED mode even if the card support SD_HIGHSPPED. * This can avoid furthur problem when the card runs in different * mode between the host. */ if (!((mmc->cfg->host_caps & MMC_MODE_HS_52MHz) && (mmc->cfg->host_caps & MMC_MODE_HS))) return 0; err = sd_switch(mmc, SD_SWITCH_SWITCH, 0, 1, (uint8_t *)switch_status); if (err) return err; if ((_sdmmc_be32_to_cpu(switch_status[4]) & 0x0f000000) == 0x01000000) mmc->card_caps |= MMC_MODE_HS; return 0; } /* frequency bases */ /* divided by 10 to be nice to platforms without floating point */ static const int fbase[] = { 10000, 100000, 1000000, 10000000, }; /* Multiplier values for TRAN_SPEED. Multiplied by 10 to be nice * to platforms without floating point. */ static const int multipliers[] = { 0, /* reserved */ 10, 12, 13, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80, }; static void mmc_set_ios(struct mmc *mmc) { if (mmc->cfg->ops->set_ios) mmc->cfg->ops->set_ios(mmc); } void mmc_set_clock(struct mmc *mmc, uint32_t clock) { if (clock > mmc->cfg->f_max) clock = mmc->cfg->f_max; if (clock < mmc->cfg->f_min) clock = mmc->cfg->f_min; mmc->clock = clock; mmc_set_ios(mmc); } static void mmc_set_bus_width(struct mmc *mmc, uint32_t width) { mmc->bus_width = width; mmc_set_ios(mmc); } static int mmc_startup(struct mmc *mmc) { int err, i; uint32_t mult, freq; uint32_t cmult, csize, capacity; struct mmc_cmd cmd; _SDMMC_ALLOC_CACHE_ALIGN_BUFFER(uint8_t, ext_csd, MMC_MAX_BLOCK_LEN); _SDMMC_ALLOC_CACHE_ALIGN_BUFFER(uint8_t, test_csd, MMC_MAX_BLOCK_LEN); int timeout = 1000; bool has_parts = false; bool part_completed; #ifdef CONFIG_MMC_SPI_CRC_ON if (sdmmc_host_is_spi(mmc)) { /* enable CRC check for spi */ cmd.cmdidx = MMC_CMD_SPI_CRC_ON_OFF; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = 1; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; } #endif /* Put the Card in Identify Mode */ cmd.cmdidx = sdmmc_host_is_spi(mmc) ? MMC_CMD_SEND_CID : MMC_CMD_ALL_SEND_CID; /* cmd not supported in spi */ cmd.resp_type = MMC_RSP_R2; cmd.cmdarg = 0; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; memcpy(mmc->cid, cmd.response, 16); /* * For MMC cards, set the Relative Address. * For SD cards, get the Relatvie Address. * This also puts the cards into Standby State */ if (!sdmmc_host_is_spi(mmc)) { /* cmd not supported in spi */ cmd.cmdidx = SD_CMD_SEND_RELATIVE_ADDR; cmd.cmdarg = mmc->rca << 16; cmd.resp_type = MMC_RSP_R6; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; if (IS_SD(mmc)) mmc->rca = (cmd.response[0] >> 16) & 0xffff; } /* Get the Card-Specific Data */ cmd.cmdidx = MMC_CMD_SEND_CSD; cmd.resp_type = MMC_RSP_R2; cmd.cmdarg = mmc->rca << 16; err = mmc_send_cmd(mmc, &cmd, NULL); /* Waiting for the ready status */ mmc_send_status(mmc, timeout); if (err) return err; mmc->csd[0] = cmd.response[0]; mmc->csd[1] = cmd.response[1]; mmc->csd[2] = cmd.response[2]; mmc->csd[3] = cmd.response[3]; if (mmc->version == MMC_VERSION_UNKNOWN) { int version = (cmd.response[0] >> 26) & 0xf; switch (version) { case 0: mmc->version = MMC_VERSION_1_2; break; case 1: mmc->version = MMC_VERSION_1_4; break; case 2: mmc->version = MMC_VERSION_2_2; break; case 3: mmc->version = MMC_VERSION_3; break; case 4: mmc->version = MMC_VERSION_4; break; default: mmc->version = MMC_VERSION_1_2; break; } } /* divide frequency by 10, since the mults are 10x bigger */ freq = fbase[(cmd.response[0] & 0x7)]; mult = multipliers[((cmd.response[0] >> 3) & 0xf)]; mmc->tran_speed = freq * mult; mmc->dsr_imp = ((cmd.response[1] >> 12) & 0x1); mmc->read_bl_len = 1 << ((cmd.response[1] >> 16) & 0xf); if (IS_SD(mmc)) mmc->write_bl_len = mmc->read_bl_len; else mmc->write_bl_len = 1 << ((cmd.response[3] >> 22) & 0xf); if (mmc->high_capacity) { csize = (mmc->csd[1] & 0x3f) << 16 | (mmc->csd[2] & 0xffff0000) >> 16; cmult = 8; } else { csize = (mmc->csd[1] & 0x3ff) << 2 | (mmc->csd[2] & 0xc0000000) >> 30; cmult = (mmc->csd[2] & 0x00038000) >> 15; } mmc->capacity_user = (csize + 1) << (cmult + 2); mmc->capacity_user *= mmc->read_bl_len; mmc->capacity_boot = 0; mmc->capacity_rpmb = 0; for (i = 0; i < 4; i++) mmc->capacity_gp[i] = 0; if (mmc->read_bl_len > MMC_MAX_BLOCK_LEN) mmc->read_bl_len = MMC_MAX_BLOCK_LEN; if (mmc->write_bl_len > MMC_MAX_BLOCK_LEN) mmc->write_bl_len = MMC_MAX_BLOCK_LEN; if ((mmc->dsr_imp) && (0xffffffff != mmc->dsr)) { cmd.cmdidx = MMC_CMD_SET_DSR; cmd.cmdarg = (mmc->dsr & 0xffff) << 16; cmd.resp_type = MMC_RSP_NONE; if (mmc_send_cmd(mmc, &cmd, NULL)) { HAL_SDMMC_TRACE(0,"MMC: SET_DSR failed\n"); } } /* Select the card, and put it into Transfer Mode */ if (!sdmmc_host_is_spi(mmc)) { /* cmd not supported in spi */ cmd.cmdidx = MMC_CMD_SELECT_CARD; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = mmc->rca << 16; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; } /* * For SD, its erase group is always one sector */ mmc->erase_grp_size = 1; mmc->part_config = MMCPART_NOAVAILABLE; if (!IS_SD(mmc) && (mmc->version >= MMC_VERSION_4)) { /* check ext_csd version and capacity */ err = mmc_send_ext_csd(mmc, ext_csd); if (err) return err; if (ext_csd[EXT_CSD_REV] >= 2) { /* * According to the JEDEC Standard, the value of * ext_csd's capacity is valid if the value is more * than 2GB */ capacity = ext_csd[EXT_CSD_SEC_CNT] << 0 | ext_csd[EXT_CSD_SEC_CNT + 1] << 8 | ext_csd[EXT_CSD_SEC_CNT + 2] << 16 | ext_csd[EXT_CSD_SEC_CNT + 3] << 24; capacity *= MMC_MAX_BLOCK_LEN; if ((capacity >> 20) > 2 * 1024) mmc->capacity_user = capacity; } switch (ext_csd[EXT_CSD_REV]) { case 1: mmc->version = MMC_VERSION_4_1; break; case 2: mmc->version = MMC_VERSION_4_2; break; case 3: mmc->version = MMC_VERSION_4_3; break; case 5: mmc->version = MMC_VERSION_4_41; break; case 6: mmc->version = MMC_VERSION_4_5; break; case 7: mmc->version = MMC_VERSION_5_0; break; } /* The partition data may be non-zero but it is only * effective if PARTITION_SETTING_COMPLETED is set in * EXT_CSD, so ignore any data if this bit is not set, * except for enabling the high-capacity group size * definition (see below). */ part_completed = !!(ext_csd[EXT_CSD_PARTITION_SETTING] & EXT_CSD_PARTITION_SETTING_COMPLETED); /* store the partition info of emmc */ mmc->part_support = ext_csd[EXT_CSD_PARTITIONING_SUPPORT]; if ((ext_csd[EXT_CSD_PARTITIONING_SUPPORT] & PART_SUPPORT) || ext_csd[EXT_CSD_BOOT_MULT]) mmc->part_config = ext_csd[EXT_CSD_PART_CONF]; if (part_completed && (ext_csd[EXT_CSD_PARTITIONING_SUPPORT] & ENHNCD_SUPPORT)) mmc->part_attr = ext_csd[EXT_CSD_PARTITIONS_ATTRIBUTE]; mmc->capacity_boot = ext_csd[EXT_CSD_BOOT_MULT] << 17; mmc->capacity_rpmb = ext_csd[EXT_CSD_RPMB_MULT] << 17; for (i = 0; i < 4; i++) { int idx = EXT_CSD_GP_SIZE_MULT + i * 3; uint32_t mult = (ext_csd[idx + 2] << 16) + (ext_csd[idx + 1] << 8) + ext_csd[idx]; if (mult) has_parts = true; if (!part_completed) continue; mmc->capacity_gp[i] = mult; mmc->capacity_gp[i] *= ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]; mmc->capacity_gp[i] *= ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; mmc->capacity_gp[i] <<= 19; } if (part_completed) { mmc->enh_user_size = (ext_csd[EXT_CSD_ENH_SIZE_MULT+2] << 16) + (ext_csd[EXT_CSD_ENH_SIZE_MULT+1] << 8) + ext_csd[EXT_CSD_ENH_SIZE_MULT]; mmc->enh_user_size *= ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]; mmc->enh_user_size *= ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; mmc->enh_user_size <<= 19; mmc->enh_user_start = (ext_csd[EXT_CSD_ENH_START_ADDR+3] << 24) + (ext_csd[EXT_CSD_ENH_START_ADDR+2] << 16) + (ext_csd[EXT_CSD_ENH_START_ADDR+1] << 8) + ext_csd[EXT_CSD_ENH_START_ADDR]; if (mmc->high_capacity) mmc->enh_user_start <<= 9; } /* * Host needs to enable ERASE_GRP_DEF bit if device is * partitioned. This bit will be lost every time after a reset * or power off. This will affect erase size. */ if (part_completed) has_parts = true; if ((ext_csd[EXT_CSD_PARTITIONING_SUPPORT] & PART_SUPPORT) && (ext_csd[EXT_CSD_PARTITIONS_ATTRIBUTE] & PART_ENH_ATTRIB)) has_parts = true; if (has_parts) { err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_ERASE_GROUP_DEF, 1); if (err) return err; else ext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1; } if (ext_csd[EXT_CSD_ERASE_GROUP_DEF] & 0x01) { /* Read out group size from ext_csd */ mmc->erase_grp_size = ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * 1024; /* * if high capacity and partition setting completed * SEC_COUNT is valid even if it is smaller than 2 GiB * JEDEC Standard JESD84-B45, 6.2.4 */ if (mmc->high_capacity && part_completed) { capacity = (ext_csd[EXT_CSD_SEC_CNT]) | (ext_csd[EXT_CSD_SEC_CNT + 1] << 8) | (ext_csd[EXT_CSD_SEC_CNT + 2] << 16) | (ext_csd[EXT_CSD_SEC_CNT + 3] << 24); capacity *= MMC_MAX_BLOCK_LEN; mmc->capacity_user = capacity; } } else { /* Calculate the group size from the csd value. */ int erase_gsz, erase_gmul; erase_gsz = (mmc->csd[2] & 0x00007c00) >> 10; erase_gmul = (mmc->csd[2] & 0x000003e0) >> 5; mmc->erase_grp_size = (erase_gsz + 1) * (erase_gmul + 1); } mmc->hc_wp_grp_size = 1024 * ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] * ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; mmc->wr_rel_set = ext_csd[EXT_CSD_WR_REL_SET]; } err = mmc_set_capacity(mmc, mmc->part_num); if (err) return err; if (IS_SD(mmc)) err = sd_change_freq(mmc); else err = mmc_change_freq(mmc); if (err) return err; /* Restrict card's capabilities by what the host can do */ mmc->card_caps &= mmc->cfg->host_caps; if (IS_SD(mmc)) { #ifdef __BUS_WIDTH_SUPPORT_4BIT__ if (mmc->card_caps & MMC_MODE_4BIT) { cmd.cmdidx = MMC_CMD_APP_CMD; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = mmc->rca << 16; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; cmd.cmdidx = SD_CMD_APP_SET_BUS_WIDTH; cmd.resp_type = MMC_RSP_R1; cmd.cmdarg = 2; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; mmc_set_bus_width(mmc, 4); } #endif if (mmc->card_caps & MMC_MODE_HS) mmc->tran_speed = 50000000; else mmc->tran_speed = 25000000; } else if (mmc->version >= MMC_VERSION_4) { /* Only version 4 of MMC supports wider bus widths */ int idx; /* An array of possible bus widths in order of preference */ static unsigned ext_csd_bits[] = { EXT_CSD_DDR_BUS_WIDTH_8, EXT_CSD_DDR_BUS_WIDTH_4, EXT_CSD_BUS_WIDTH_8, EXT_CSD_BUS_WIDTH_4, EXT_CSD_BUS_WIDTH_1, }; /* An array to map CSD bus widths to host cap bits */ static unsigned ext_to_hostcaps[] = { [EXT_CSD_DDR_BUS_WIDTH_4] = MMC_MODE_DDR_52MHz | MMC_MODE_4BIT, [EXT_CSD_DDR_BUS_WIDTH_8] = MMC_MODE_DDR_52MHz | MMC_MODE_8BIT, [EXT_CSD_BUS_WIDTH_4] = MMC_MODE_4BIT, [EXT_CSD_BUS_WIDTH_8] = MMC_MODE_8BIT, }; /* An array to map chosen bus width to an integer */ static unsigned widths[] = { 8, 4, 8, 4, 1, }; for (idx=0; idx < ARRAY_SIZE(ext_csd_bits); idx++) { unsigned int extw = ext_csd_bits[idx]; unsigned int caps = ext_to_hostcaps[extw]; /* * If the bus width is still not changed, * don't try to set the default again. * Otherwise, recover from switch attempts * by switching to 1-bit bus width. */ if (extw == EXT_CSD_BUS_WIDTH_1 && mmc->bus_width == 1) { err = 0; break; } /* * Check to make sure the card and controller support * these capabilities */ if ((mmc->card_caps & caps) != caps) continue; err = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BUS_WIDTH, extw); if (err) continue; mmc->ddr_mode = (caps & MMC_MODE_DDR_52MHz) ? 1 : 0; mmc_set_bus_width(mmc, widths[idx]); err = mmc_send_ext_csd(mmc, test_csd); if (err) continue; /* Only compare read only fields */ if (ext_csd[EXT_CSD_PARTITIONING_SUPPORT] == test_csd[EXT_CSD_PARTITIONING_SUPPORT] && ext_csd[EXT_CSD_HC_WP_GRP_SIZE] == test_csd[EXT_CSD_HC_WP_GRP_SIZE] && ext_csd[EXT_CSD_REV] == test_csd[EXT_CSD_REV] && ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE] == test_csd[EXT_CSD_HC_ERASE_GRP_SIZE] && memcmp(&ext_csd[EXT_CSD_SEC_CNT], &test_csd[EXT_CSD_SEC_CNT], 4) == 0) break; else err = SWITCH_ERR; } if (err) return err; if (mmc->card_caps & MMC_MODE_HS) { if (mmc->card_caps & MMC_MODE_HS_52MHz) mmc->tran_speed = 52000000; else mmc->tran_speed = 26000000; } } mmc_set_clock(mmc, mmc->tran_speed); /* Fix the block length for DDR mode */ if (mmc->ddr_mode) { mmc->read_bl_len = MMC_MAX_BLOCK_LEN; mmc->write_bl_len = MMC_MAX_BLOCK_LEN; } /* fill in device description */ mmc->block_dev.lun = 0; mmc->block_dev.type = 0; mmc->block_dev.blksz = mmc->read_bl_len; //mmc->block_dev.log2blksz = LOG2(mmc->block_dev.blksz); mmc->block_dev.lba = _sdmmc_lldiv(mmc->capacity, mmc->read_bl_len); #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) sprintf(mmc->block_dev.vendor, "Man %06x Snr %04x%04x", (unsigned)(mmc->cid[0] >> 24), (unsigned)(mmc->cid[2] & 0xffff), (unsigned)((mmc->cid[3] >> 16) & 0xffff)); sprintf(mmc->block_dev.product, "%c%c%c%c%c%c", (char)mmc->cid[0], (char)(mmc->cid[1] >> 24), (char)(mmc->cid[1] >> 16), (char)(mmc->cid[1] >> 8), (char)mmc->cid[1], (char)(mmc->cid[2] >> 24)); sprintf(mmc->block_dev.revision, "%d.%d", (unsigned)((mmc->cid[2] >> 20) & 0xf), (unsigned)((mmc->cid[2] >> 16) & 0xf)); #else mmc->block_dev.vendor[0] = 0; mmc->block_dev.product[0] = 0; mmc->block_dev.revision[0] = 0; #endif HAL_SDMMC_TRACE(1,"%s done\n", __func__); return 0; } static int mmc_send_if_cond(struct mmc *mmc) { struct mmc_cmd cmd; int err; cmd.cmdidx = SD_CMD_SEND_IF_COND; /* We set the bit if the host supports voltages between 2.7 and 3.6 V */ cmd.cmdarg = ((mmc->cfg->voltages & 0xff8000) != 0) << 8 | 0xaa; cmd.resp_type = MMC_RSP_R7; err = mmc_send_cmd(mmc, &cmd, NULL); if (err) return err; if ((cmd.response[0] & 0xff) != 0xaa) return UNUSABLE_ERR; else mmc->version = SD_VERSION_2; return 0; } struct mmc *mmc_create(int id, const struct mmc_config *cfg, void *priv) { struct mmc *mmc; /* quick validation */ if (cfg == NULL || cfg->ops == NULL || cfg->ops->send_cmd == NULL || cfg->f_min == 0 || cfg->f_max == 0 || cfg->b_max == 0) return NULL; mmc = &sdmmc_devices[id]; if (mmc == NULL) return NULL; mmc->cfg = cfg; mmc->priv = priv; /* the following chunk was mmc_register() */ /* Setup dsr related values */ mmc->dsr_imp = 0; mmc->dsr = 0xffffffff; /* Setup the universal parts of the block interface just once */ mmc->block_dev.removable = 1; /* setup initial part type */ mmc->block_dev.part_type = mmc->cfg->part_type; return mmc; } int mmc_start_init(struct mmc *mmc) { int err; /* we pretend there's no card when init is NULL */ if (mmc_getcd(mmc) == 0 || mmc->cfg->ops->init == NULL) { mmc->has_init = 0; HAL_SDMMC_TRACE(1,"%s : no card present\n", __func__); return NO_CARD_ERR; } if (mmc->has_init) return 0; /* made sure it's not NULL earlier */ err = mmc->cfg->ops->init(mmc); HAL_SDMMC_TRACE(1,"%s : init done\n", __func__); if (err) return err; mmc->ddr_mode = 0; mmc_set_bus_width(mmc, 1); mmc_set_clock(mmc, 1); /* Reset the Card */ err = mmc_go_idle(mmc); HAL_SDMMC_TRACE(1,"%s : idle done\n", __func__); if (err) return err; /* The internal partition reset to user partition(0) at every CMD0*/ mmc->part_num = 0; /* Test for SD version 2 */ err = mmc_send_if_cond(mmc); /* Now try to get the SD card's operating condition */ err = sd_send_op_cond(mmc); /* If the command timed out, we check for an MMC card */ if (err == TIMEOUT) { err = mmc_send_op_cond(mmc); if (err) { #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) HAL_SDMMC_TRACE(1,"%s : Card did not respond to voltage select!\n", __func__); #endif return UNUSABLE_ERR; } } if (!err) mmc->init_in_progress = 1; HAL_SDMMC_TRACE(1,"%s : done\n", __func__); return err; } static int mmc_complete_init(struct mmc *mmc) { int err = 0; mmc->init_in_progress = 0; if (mmc->op_cond_pending) err = mmc_complete_op_cond(mmc); if (!err) err = mmc_startup(mmc); if (err) mmc->has_init = 0; else mmc->has_init = 1; return err; } void hal_sdmmc_irq_handler(void) { uint32_t cdetect,mask; struct sdmmcip_host *host = &sdmmc_host[HAL_SDMMC_ID_0]; mask = sdmmcip_readl(host, SDMMCIP_REG_RINTSTS); if (mask & SDMMCIP_REG_INTMSK_CD){ sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, SDMMCIP_REG_INTMSK_CD); cdetect = sdmmcip_readl(host, SDMMCIP_REG_CDETECT); HAL_SDMMC_TRACE(3,"%s cdetect:%d mask:%x\n", __func__, cdetect, mask); if (sdmmc_detected_callback) sdmmc_detected_callback(cdetect&0x01 ? 0 : 1); } } int hal_sdmmc_enable_detecter(enum HAL_SDMMC_ID_T id,void (* cb)(uint8_t)) { uint32_t ctrl; struct sdmmcip_host *host = NULL; HAL_SDMMC_TRACE(1,"%s\n", __func__); sdmmc_detected_callback = cb; host = &sdmmc_host[id]; host->ioaddr = (void *)sdmmc_ip_base[id]; if (!sdmmcip_wait_reset(host, SDMMCIP_REG_RESET_ALL)) { HAL_SDMMC_TRACE(2,"%s[%d] Fail-reset!!\n", __func__, __LINE__); return -1; } host->detect_enb = true; sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, 0xFFFFFFFF); sdmmcip_writel(host, SDMMCIP_REG_INTMASK, SDMMCIP_REG_INTMSK_CD); ctrl = SDMMCIP_REG_INT_EN; sdmmcip_writel(host, SDMMCIP_REG_CTRL, ctrl); NVIC_SetVector(SDMMC_IRQn, (uint32_t)hal_sdmmc_irq_handler); NVIC_SetPriority(SDMMC_IRQn, IRQ_PRIORITY_NORMAL); NVIC_ClearPendingIRQ(SDMMC_IRQn); NVIC_EnableIRQ(SDMMC_IRQn); return 0; } void hal_sdmmc_disable_detecter(enum HAL_SDMMC_ID_T id) { uint32_t ctrl = 0; struct sdmmcip_host *host = NULL; host = &sdmmc_host[id]; NVIC_DisableIRQ(SDMMC_IRQn); NVIC_SetVector(SDMMC_IRQn, (uint32_t)NULL); sdmmcip_writel(host, SDMMCIP_REG_RINTSTS, 0xFFFFFFFF); sdmmcip_writel(host, SDMMCIP_REG_INTMASK, ~SDMMCIP_REG_INTMSK_ALL); ctrl = sdmmcip_readl(host, SDMMCIP_REG_CTRL); ctrl |= (SDMMCIP_REG_DMA_EN); sdmmcip_writel(host, SDMMCIP_REG_CTRL, ctrl); host->detect_enb = false; sdmmc_detected_callback = NULL; } int mmc_init(struct mmc *mmc) { int err = 0; if (mmc->has_init) return 0; if (!mmc->init_in_progress) err = mmc_start_init(mmc); if (!err) err = mmc_complete_init(mmc); return err; } /* hal api */ static void hal_sdmmc_delay(uint32_t ms) { if (sdmmc_delay) { sdmmc_delay(ms); } else { hal_sys_timer_delay(MS_TO_TICKS(ms)); } } HAL_SDMMC_DELAY_FUNC hal_sdmmc_set_delay_func(HAL_SDMMC_DELAY_FUNC new_func) { HAL_SDMMC_DELAY_FUNC old_func = sdmmc_delay; sdmmc_delay = new_func; return old_func; } int32_t hal_sdmmc_open(enum HAL_SDMMC_ID_T id) { int32_t ret = 0; struct sdmmcip_host *host = NULL; HAL_SDMMC_ASSERT(id < HAL_SDMMC_ID_NUM, invalid_id, id); #ifdef FPGA hal_cmu_sdmmc_set_freq(HAL_CMU_PERIPH_FREQ_26M); #else hal_cmu_sdmmc_set_freq(HAL_CMU_PERIPH_FREQ_52M); #endif hal_cmu_clock_enable(HAL_CMU_MOD_O_SDMMC); hal_cmu_clock_enable(HAL_CMU_MOD_H_SDMMC); hal_cmu_reset_clear(HAL_CMU_MOD_O_SDMMC); hal_cmu_reset_clear(HAL_CMU_MOD_H_SDMMC); #ifdef FPGA #ifdef CHIP_BEST1000 /* iomux */ *((volatile uint32_t *)0x4001f004) |= 0x1<<16; *((volatile uint32_t *)0x4001f004) |= 0x1<<17; #endif #endif host = &sdmmc_host[id]; host->ioaddr = (void *)sdmmc_ip_base[id]; //host->buswidth = 4; host->buswidth = 1; host->clksel = 0; host->bus_hz = _SDMMC_CLOCK; host->dev_index = id; /* fifo threshold : MSIZE 0 - 1 transter, rx water mark 0 - greater than 0 word triiger dma-req, * tx water mark 1 - less than or equal 1 word triiger dma-req */ host->fifoth_val = MSIZE(0) | RX_WMARK(0) | TX_WMARK(1); host->cfg.ops = &sdmmcip_ops; host->cfg.f_min = 400000; //host->cfg.f_min = 1000000; //host->cfg.f_min = 25000000; //host->cfg.f_min = 52000000; //host->cfg.f_max = 1000000; host->cfg.f_max = 26000000; //host->cfg.f_max = 52000000; host->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; host->cfg.host_caps = 0; #ifdef HAL_SDMMC_USE_DMA host->tx_dma_handler = sdmmcip_ext_dma_irq_handlers[id*2]; host->rx_dma_handler = sdmmcip_ext_dma_irq_handlers[id*2+1]; #endif if (host->buswidth == 8) { host->cfg.host_caps |= MMC_MODE_8BIT; host->cfg.host_caps &= ~MMC_MODE_4BIT; } else if (host->buswidth == 4) { host->cfg.host_caps |= MMC_MODE_4BIT; host->cfg.host_caps &= ~MMC_MODE_8BIT; } else { //host->cfg.host_caps &= ~MMC_MODE_4BIT; host->cfg.host_caps |= MMC_MODE_4BIT; host->cfg.host_caps &= ~MMC_MODE_8BIT; } host->cfg.host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz; host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; host->mmc = mmc_create(host->dev_index, &host->cfg, host); ret = mmc_init(host->mmc); hal_sdmmc_dump(HAL_SDMMC_ID_0); return ret; } uint32_t hal_sdmmc_read_blocks(enum HAL_SDMMC_ID_T id, uint32_t start_block, uint32_t block_count, uint8_t* dest) { HAL_SDMMC_ASSERT(id < HAL_SDMMC_ID_NUM, invalid_id, id); return mmc_bread(id, start_block, block_count, dest); } uint32_t hal_sdmmc_write_blocks(enum HAL_SDMMC_ID_T id, uint32_t start_block, uint32_t block_count, uint8_t* src) { HAL_SDMMC_ASSERT(id < HAL_SDMMC_ID_NUM, invalid_id, id); return mmc_bwrite(id, start_block, block_count, src); } void hal_sdmmc_close(enum HAL_SDMMC_ID_T id) { struct sdmmcip_host *host = NULL; HAL_SDMMC_ASSERT(id < HAL_SDMMC_ID_NUM, invalid_id, id); HAL_SDMMC_TRACE(1,"%s\n", __func__); host = &sdmmc_host[id]; while(host->mmc->init_in_progress) hal_sdmmc_delay(1); host->mmc->has_init = 0; hal_cmu_reset_set(HAL_CMU_MOD_H_SDMMC); hal_cmu_reset_set(HAL_CMU_MOD_O_SDMMC); hal_cmu_clock_disable(HAL_CMU_MOD_H_SDMMC); hal_cmu_clock_disable(HAL_CMU_MOD_O_SDMMC); } void hal_sdmmc_dump(enum HAL_SDMMC_ID_T id) { struct mmc *mmc = NULL; struct sdmmcip_host *host = NULL; HAL_SDMMC_ASSERT(id < HAL_SDMMC_ID_NUM, invalid_id, id); host = &sdmmc_host[id]; mmc = host->mmc; HAL_SDMMC_TRACE(0,"-----------hal_sdmmc_dump-------------\n"); HAL_SDMMC_TRACE(1," [sdmmc id] : %d\n", id); HAL_SDMMC_TRACE(1," [io register address] : 0x%x\n", sdmmc_ip_base[id]); HAL_SDMMC_TRACE(1," [ddr mode] : %d\n", mmc->ddr_mode); switch(mmc->version) { case SD_VERSION_1_0: HAL_SDMMC_TRACE(0," [version] : SD_VERSION_1_0\n"); break; case SD_VERSION_1_10: HAL_SDMMC_TRACE(0," [version] : SD_VERSION_1_10\n"); break; case SD_VERSION_2: HAL_SDMMC_TRACE(0," [version] : SD_VERSION_2\n"); break; case SD_VERSION_3: HAL_SDMMC_TRACE(0," [version] : SD_VERSION_3\n"); break; case MMC_VERSION_5_0: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_5_0\n"); break; case MMC_VERSION_4_5: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_4_5\n"); break; case MMC_VERSION_4_41:HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_4_41\n");break; case MMC_VERSION_4_3: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_4_3\n"); break; case MMC_VERSION_4_2: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_4_2\n"); break; case MMC_VERSION_4_1: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_4_1\n"); break; case MMC_VERSION_4: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_4\n"); break; case MMC_VERSION_3: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_3\n"); break; case MMC_VERSION_2_2: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_2_2\n"); break; case MMC_VERSION_1_4: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_1_4\n"); break; case MMC_VERSION_1_2: HAL_SDMMC_TRACE(0," [version] : MMC_VERSION_1_2\n"); break; default: HAL_SDMMC_TRACE(0," [version] : unkown version\n"); break; } HAL_SDMMC_TRACE(1," [is SD card] : 0x%x\n", IS_SD(mmc)); HAL_SDMMC_TRACE(1," [high_capacity] : 0x%x\n", mmc->high_capacity); HAL_SDMMC_TRACE(1," [bus_width] : 0x%x\n", mmc->bus_width); HAL_SDMMC_TRACE(1," [clock] : %d\n", mmc->clock); HAL_SDMMC_TRACE(1," [card_caps] : 0x%x\n", mmc->card_caps); HAL_SDMMC_TRACE(1," [ocr] : 0x%x\n", mmc->ocr); HAL_SDMMC_TRACE(1," [dsr] : 0x%x\n", mmc->dsr); HAL_SDMMC_TRACE(1," [capacity_user/1024] : %d(K)\n", (uint32_t)(mmc->capacity_user/1024)); HAL_SDMMC_TRACE(1," [capacity_user/1024/1024] : %d(M)\n", (uint32_t)(mmc->capacity_user/1024/1024)); HAL_SDMMC_TRACE(1," [capacity_user/1024/1024/1024] : %d(G)\n", (uint32_t)(mmc->capacity_user/1024/1024/1024)); HAL_SDMMC_TRACE(1," [read_bl_len] : %d\n", mmc->read_bl_len); HAL_SDMMC_TRACE(1," [write_bl_len] : %d\n", mmc->write_bl_len); HAL_SDMMC_TRACE(0,"--------------------------------------\n"); } void hal_sdmmc_info(enum HAL_SDMMC_ID_T id, uint32_t *sector_count, uint32_t *sector_size) { struct mmc *mmc = NULL; struct sdmmcip_host *host = NULL; HAL_SDMMC_ASSERT(id < HAL_SDMMC_ID_NUM, invalid_id, id); host = &sdmmc_host[id]; mmc = host->mmc; if (sector_size) { *sector_size = mmc->read_bl_len; HAL_SDMMC_TRACE(1,"[sdmmc] sector_size %d\n", *sector_size); } if (sector_count) { if (mmc->read_bl_len != 0) *sector_count = mmc->capacity_user/mmc->read_bl_len; else *sector_count = 0; HAL_SDMMC_TRACE(1,"[sdmmc] sector_count %d\n", *sector_count); } } #endif // CHIP_HAS_SDMMC