diff options
| author | Peng Fan <peng.fan@nxp.com> | 2018-03-05 17:11:40 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2018-04-27 02:21:21 -0700 |
| commit | 556cfdee9db3857db723e1b961d3acdb1db7a6a4 (patch) | |
| tree | b0bbb5033c6fe232990a645cdb8a61878fd56253 /drivers/mmc/Kconfig | |
| parent | a5bb0b38e6be1b8b8f92d11cccd3f7220f11ef74 (diff) | |
MLK-18149-1 mmc: add HS400 support
Add HS400 support.
Selecting HS400 needs first select HS199 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: Simon Glass <sjg@chromium.org>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/mmc/Kconfig')
| -rw-r--r-- | drivers/mmc/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index 5f67e336db..e9be18b333 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -104,6 +104,13 @@ config SPL_MMC_UHS_SUPPORT 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 MMC_HS200_SUPPORT bool "enable HS200 support" help |