Hi, On 4/5/21 11:44 PM, Aswath Govindraju wrote: > From: Faiz Abbas <[email protected]> > > Enable HS400 speed mode by writing to HOST_CONTROL2 register.
I didn't find HS400 bit at HOST_CONTROL2 register. (I have checked SD Specific v4.20) If I missed something, let me know, plz. In include/sdhci.h, it mentioned to "Non-standard". Best Regards, Jaehoon Chung > > Signed-off-by: Faiz Abbas <[email protected]> > Signed-off-by: Aswath Govindraju <[email protected]> > --- > drivers/mmc/sdhci.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c > index d9ab6a0a839e..eea4701d8af5 100644 > --- a/drivers/mmc/sdhci.c > +++ b/drivers/mmc/sdhci.c > @@ -507,6 +507,9 @@ void sdhci_set_uhs_timing(struct sdhci_host *host) > case MMC_HS_200: > reg |= SDHCI_CTRL_UHS_SDR104; > break; > + case MMC_HS_400: > + reg |= SDHCI_CTRL_HS400; > + break; > default: > reg |= SDHCI_CTRL_UHS_SDR12; > } >
