On Fri, Oct 27, 2017 at 03:13:50AM +0200, Marcin Wojtas wrote: > This patch fixes incorrect settings for UHS mode in > SD_MMC_HC_HOST_CTRL2 register for SDR50 and SDR25, of which > the latter was missing. This field should be set to: > > 0x4 for DDR52 > 0x2 for SDR50 > 0x1 for SDR25 > 0x0 for others. > > This way EmmcSwitchToHighSpeed function is on par with Linux > set_uhs_signaling routine in the Xenon driver. > > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Marcin Wojtas <m...@semihalf.com>
Reviewed-by: Leif Lindholm <leif.lindh...@linaro.org> > --- > Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c > b/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c > index 3f73194..4d4833f 100755 > --- a/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c > +++ b/Platform/Marvell/Drivers/SdMmc/XenonDxe/EmmcDevice.c > @@ -772,6 +772,8 @@ EmmcSwitchToHighSpeed ( > if (IsDdr) { > HostCtrl2 = BIT2; > } else if (ClockFreq == 52) { > + HostCtrl2 = BIT1; > + } else if (ClockFreq == 26) { > HostCtrl2 = BIT0; > } else { > HostCtrl2 = 0; > -- > 2.7.4 > _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel