Hi, On Saturday 19 May 2018 06:24 PM, Peng Fan wrote: > 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....@nxp.com> > Cc: Jaehoon Chung <jh80.ch...@samsung.com> > Cc: Jean-Jacques Hiblot <jjhib...@ti.com> > Cc: Stefano Babic <sba...@denx.de> > Cc: Simon Glass <s...@chromium.org> > Cc: Kishon Vijay Abraham I <kis...@ti.com> > Cc: Bin Meng <bmeng...@gmail.com> > --- > > V3: > Simplify code > add error msg > > V2: > remove 4bits support from HS400, as HS400 does not support 4bits per spec. > > drivers/mmc/Kconfig | 7 +++ > drivers/mmc/mmc.c | 137 > +++++++++++++++++++++++++++++++++++++++++----------- > include/mmc.h | 11 +++++ > 3 files changed, 128 insertions(+), 27 deletions(-) > > diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig > index 3f15f85efd..a535a87a8e 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. > +
Please add SPL_MMC_HS400_SUPPORT also. Thanks, Faiz _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
