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| author | Peng Fan <peng.fan@nxp.com> | 2018-08-10 14:07:54 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-09-10 20:48:19 -0400 |
| commit | 3dd2626f48af6f459b8bfb9ce7c6832b0606e813 (patch) | |
| tree | 830a2fc08b8891760a3ae60f0c39674a360c70ad /drivers/mmc/Kconfig | |
| parent | 51330c72f048e03cfbf7f7d614b259dda4bca469 (diff) | |
| download | u-boot-3dd2626f48af6f459b8bfb9ce7c6832b0606e813.zip u-boot-3dd2626f48af6f459b8bfb9ce7c6832b0606e813.tar.gz u-boot-3dd2626f48af6f459b8bfb9ce7c6832b0606e813.tar.bz2 | |
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>
Diffstat (limited to 'drivers/mmc/Kconfig')
| -rw-r--r-- | drivers/mmc/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
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 @@ 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 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 |