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>
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 @@
*/
int (*get_wp)(struct udevice *dev);
+#ifdef MMC_SUPPORTS_TUNING
/**
* execute_tuning() - Start the tuning process
*
@@ -433,7 +441,9 @@
* @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 @@
* @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 @@
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 @@
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 supports_uhs(uint caps)
{
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
return (caps & UHS_CAPS) ? true : false;
+#else
+ return false;
+#endif
}
/*