mmc: add HS400 support
Add HS400 support.
Selecting HS400 needs first select HS200 according to spec, so use
a dedicated function for HS400.
Add HS400 related macros.
Remove the restriction of only using the low 6 bits of
EXT_CSD_CARD_TYPE, using all the 8 bits.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Faiz Abbas <faiz_abbas@ti.com>
Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 377b1c4..1616022 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -111,6 +111,19 @@
cards. The IO voltage must be switchable from 3.3v to 1.8v. The bus
frequency can go up to 208MHz (SDR104)
+config MMC_HS400_SUPPORT
+ bool "enable HS400 support"
+ select MMC_HS200_SUPPORT
+ help
+ The HS400 mode is support by some eMMC. The bus frequency is up to
+ 200MHz. This mode requires tuning the IO.
+
+config SPL_MMC_HS400_SUPPORT
+ bool "enable HS400 support in SPL"
+ help
+ The HS400 mode is support by some eMMC. The bus frequency is up to
+ 200MHz. This mode requires tuning the IO.
+
config MMC_HS200_SUPPORT
bool "enable HS200 support"
help