X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fmmc.h;h=b92e25534021be91dfc9427a035d1c75823251ef;hb=64cfeda8ae2e95751c5d2dfa4dc4a906478ae2f6;hp=e83c22423bfc79df81cc2c0b51f42c6efd10b116;hpb=2738f0edea7d19960d692284d1f378b1a2b4c4a5;p=platform%2Fkernel%2Fu-boot.git diff --git a/include/mmc.h b/include/mmc.h index e83c224..b92e255 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -9,6 +9,7 @@ #ifndef _MMC_H_ #define _MMC_H_ +#include #include #include #include @@ -177,6 +178,7 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx) #define MMC_STATUS_ERROR (1 << 19) #define MMC_STATE_PRG (7 << 9) +#define MMC_STATE_TRANS (4 << 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 */ @@ -223,6 +225,9 @@ static inline bool mmc_is_tuning_cmd(uint cmdidx) #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_USER_WP 171 /* R/W & R/W/C_P & R/W/E_P */ +#define EXT_CSD_BOOT_WP 173 /* R/W & R/W/C_P */ +#define EXT_CSD_BOOT_WP_STATUS 174 /* R */ #define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */ #define EXT_CSD_BOOT_BUS_WIDTH 177 #define EXT_CSD_PART_CONF 179 /* R/W */ @@ -356,6 +361,19 @@ enum mmc_voltage { #define MMC_NUM_BOOT_PARTITION 2 #define MMC_PART_RPMB 3 /* RPMB partition number */ +/* timing specification used */ +#define MMC_TIMING_LEGACY 0 +#define MMC_TIMING_MMC_HS 1 +#define MMC_TIMING_SD_HS 2 +#define MMC_TIMING_UHS_SDR12 3 +#define MMC_TIMING_UHS_SDR25 4 +#define MMC_TIMING_UHS_SDR50 5 +#define MMC_TIMING_UHS_SDR104 6 +#define MMC_TIMING_UHS_DDR50 7 +#define MMC_TIMING_MMC_DDR52 8 +#define MMC_TIMING_MMC_HS200 9 +#define MMC_TIMING_MMC_HS400 10 + /* Driver model support */ /** @@ -374,7 +392,7 @@ struct mmc_uclass_priv { * @dev: Device * @return associated mmc struct pointer if available, else NULL */ -struct mmc *mmc_get_mmc_dev(struct udevice *dev); +struct mmc *mmc_get_mmc_dev(const struct udevice *dev); /* End of driver model support */ @@ -418,6 +436,14 @@ struct dm_mmc_ops { */ int (*deferred_probe)(struct udevice *dev); /** + * reinit() - Re-initialization to clear old configuration for + * mmc rescan. + * + * @dev: Device to reinit + * @return 0 if Ok, -ve if error + */ + int (*reinit)(struct udevice *dev); + /** * send_cmd() - Send a command to the MMC device * * @dev: Device to receive the command @@ -488,20 +514,31 @@ struct dm_mmc_ops { * @return 0 if not present, 1 if present, -ve on error */ int (*host_power_cycle)(struct udevice *dev); + + /** + * get_b_max - get maximum length of single transfer + * Called before reading blocks from the card, + * useful for system which have e.g. DMA limits + * on various memory ranges. + * + * @dev: Device to check + * @dst: Destination buffer in memory + * @blkcnt: Total number of blocks in this transfer + * @return maximum number of blocks for this transfer + */ + int (*get_b_max)(struct udevice *dev, void *dst, lbaint_t blkcnt); + + /** + * hs400_prepare_ddr - prepare to switch to DDR mode + * + * @dev: Device to check + * @return 0 if success, -ve on error + */ + int (*hs400_prepare_ddr)(struct udevice *dev); }; #define mmc_get_ops(dev) ((struct dm_mmc_ops *)(dev)->driver->ops) -int dm_mmc_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, - struct mmc_data *data); -int dm_mmc_set_ios(struct udevice *dev); -int dm_mmc_get_cd(struct udevice *dev); -int dm_mmc_get_wp(struct udevice *dev); -int dm_mmc_execute_tuning(struct udevice *dev, uint opcode); -int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us); -int dm_mmc_host_power_cycle(struct udevice *dev); -int dm_mmc_deferred_probe(struct udevice *dev); - /* Transition functions for compatibility */ int mmc_set_ios(struct mmc *mmc); int mmc_getcd(struct mmc *mmc); @@ -511,7 +548,9 @@ int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us); int mmc_set_enhanced_strobe(struct mmc *mmc); int mmc_host_power_cycle(struct mmc *mmc); int mmc_deferred_probe(struct mmc *mmc); - +int mmc_reinit(struct mmc *mmc); +int mmc_get_b_max(struct mmc *mmc, void *dst, lbaint_t blkcnt); +int mmc_hs400_prepare_ddr(struct mmc *mmc); #else struct mmc_ops { int (*send_cmd)(struct mmc *mmc, @@ -521,7 +560,13 @@ struct mmc_ops { int (*getcd)(struct mmc *mmc); int (*getwp)(struct mmc *mmc); int (*host_power_cycle)(struct mmc *mmc); + int (*get_b_max)(struct mmc *mmc, void *dst, lbaint_t blkcnt); }; + +static inline int mmc_hs400_prepare_ddr(struct mmc *mmc) +{ + return 0; +} #endif struct mmc_config { @@ -535,6 +580,9 @@ struct mmc_config { uint f_max; uint b_max; unsigned char part_type; +#ifdef CONFIG_MMC_PWRSEQ + struct udevice *pwr_dev; +#endif }; struct sd_ssr { @@ -677,8 +725,17 @@ struct mmc { * accessing the boot partitions */ u32 quirks; + u8 hs400_tuning; + + enum bus_mode user_speed_mode; /* input speed mode from user */ }; +#if CONFIG_IS_ENABLED(DM_MMC) +#define mmc_to_dev(_mmc) _mmc->dev +#else +#define mmc_to_dev(_mmc) NULL +#endif + struct mmc_hwpart_conf { struct { uint enh_start; /* in 512-byte sectors */ @@ -728,6 +785,7 @@ int mmc_initialize(struct bd_info *bis); int mmc_init_device(int num); int mmc_init(struct mmc *mmc); int mmc_send_tuning(struct mmc *mmc, u32 opcode, int *cmd_error); +int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data); #if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \ CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \ @@ -744,6 +802,17 @@ int mmc_deinit(struct mmc *mmc); */ int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg); +#ifdef CONFIG_MMC_PWRSEQ +/** + * mmc_pwrseq_get_power() - get a power device from device tree + * + * @dev: MMC device + * @cfg: MMC configuration + * @return 0 if OK, -ve on error + */ +int mmc_pwrseq_get_power(struct udevice *dev, struct mmc_config *cfg); +#endif + int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size); /** @@ -833,9 +902,10 @@ int mmc_set_bkops_enable(struct mmc *mmc); * the presence of SD/eMMC when no card detect logic is available. * * @param mmc Pointer to a MMC device struct + * @param quiet Be quiet, do not print error messages when card is not detected. * @return 0 on success, <0 on error. */ -int mmc_get_op_cond(struct mmc *mmc); +int mmc_get_op_cond(struct mmc *mmc, bool quiet); /** * Start device initialization and return immediately; it does not block on @@ -868,6 +938,8 @@ void mmc_set_preinit(struct mmc *mmc, int preinit); #define mmc_host_is_spi(mmc) 0 #endif +#define mmc_dev(x) ((x)->dev) + void board_mmc_power_init(void); int board_mmc_init(struct bd_info *bis); int cpu_mmc_init(struct bd_info *bis); @@ -893,6 +965,26 @@ int mmc_get_env_dev(void); */ struct blk_desc *mmc_get_blk_desc(struct mmc *mmc); +/** + * mmc_send_ext_csd() - read the extended CSD register + * + * @mmc: MMC device + * @ext_csd a cache aligned buffer of length MMC_MAX_BLOCK_LEN allocated by + * the caller, e.g. using + * ALLOC_CACHE_ALIGN_BUFFER(u8, ext_csd, MMC_MAX_BLOCK_LEN) + * Return: 0 for success + */ +int mmc_send_ext_csd(struct mmc *mmc, u8 *ext_csd); + +/** + * mmc_boot_wp() - power on write protect boot partitions + * + * The boot partitions are write protected until the next power cycle. + * + * Return: 0 for success + */ +int mmc_boot_wp(struct mmc *mmc); + static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data) { return data->flags & MMC_DATA_WRITE ? DMA_TO_DEVICE : DMA_FROM_DEVICE;