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| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2017-11-30 17:44:01 +0100 |
|---|---|---|
| committer | Jaehoon Chung <jh80.chung@samsung.com> | 2018-01-12 18:11:04 +0900 |
| commit | f99c2efe5672d7355a632dcae3551ffadea1163a (patch) | |
| tree | bd12a9d5857427fb65aca36c0640b5e594e82865 /include/mmc.h | |
| parent | d8e3d420891a5563fb307871581092c57aa1191e (diff) | |
| download | u-boot-f99c2efe5672d7355a632dcae3551ffadea1163a.zip u-boot-f99c2efe5672d7355a632dcae3551ffadea1163a.tar.gz u-boot-f99c2efe5672d7355a632dcae3551ffadea1163a.tar.bz2 | |
mmc: make UHS and HS200 optional
Supporting USH and HS200 increases the code size as it brings in IO voltage
control, tuning and fatter data structures.
Use Kconfig configuration to select which of those features should be
built in.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'include/mmc.h')
| -rw-r--r-- | include/mmc.h | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/include/mmc.h b/include/mmc.h index e3f777f..e89ba95 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -15,6 +15,13 @@ #include <linux/compiler.h> #include <part.h> +#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) +#define MMC_SUPPORTS_TUNING +#endif +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) +#define MMC_SUPPORTS_TUNING +#endif + /* SD/MMC version bits; 8 flags, 8 major, 8 minor, 8 change */ #define SD_VERSION_SD (1U << 31) #define MMC_VERSION_MMC (1U << 30) @@ -425,6 +432,7 @@ struct dm_mmc_ops { */ int (*get_wp)(struct udevice *dev); +#ifdef MMC_SUPPORTS_TUNING /** * execute_tuning() - Start the tuning process * @@ -433,7 +441,9 @@ struct dm_mmc_ops { * @return 0 if OK, -ve on error */ int (*execute_tuning)(struct udevice *dev, uint opcode); +#endif +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) /** * wait_dat0() - wait until dat0 is in the target state * (CLK must be running during the wait) @@ -444,6 +454,7 @@ struct dm_mmc_ops { * @return 0 if dat0 is in the target state, -ve on error */ int (*wait_dat0)(struct udevice *dev, int state, int timeout); +#endif }; #define mmc_get_ops(dev) ((struct dm_mmc_ops *)(dev)->driver->ops) @@ -500,13 +511,13 @@ enum bus_mode { SD_LEGACY, MMC_HS, SD_HS, + MMC_HS_52, + MMC_DDR_52, UHS_SDR12, UHS_SDR25, UHS_SDR50, - UHS_SDR104, UHS_DDR50, - MMC_HS_52, - MMC_DDR_52, + UHS_SDR104, MMC_HS_200, MMC_MODES_END }; @@ -516,8 +527,12 @@ void mmc_dump_capabilities(const char *text, uint caps); static inline bool mmc_is_mode_ddr(enum bus_mode mode) { - if ((mode == MMC_DDR_52) || (mode == UHS_DDR50)) + if (mode == MMC_DDR_52) + return true; +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) + else if (mode == UHS_DDR50) return true; +#endif else return false; } @@ -528,7 +543,11 @@ static inline bool mmc_is_mode_ddr(enum bus_mode mode) static inline bool supports_uhs(uint caps) { +#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) return (caps & UHS_CAPS) ? true : false; +#else + return false; +#endif } /* |