On 8 June 2016 at 06:07, Bin Meng <bmeng...@gmail.com> wrote: > As of today, the latest version FSP (gold4) for BayTrail misses the > PAD configuration of the SD controller's Card Detect signal. The > default PAD value for the CD pin sets the pin to work in GPIO mode, > which causes card detect status cannot be reflected by the Present > State register in the SD controller (bit 16 & bit 18 are always zero). > > Add a configuration for this pin in the pinctrl node. > > Note I've checked the PAD configuration for all the pins in all the > 3 controllers (eMMC/SDIO/SD). Only this SDMMC3_CD_B pin does not get > initialized to correct mode by FSP. With fsp,emmc-boot-mode set to > 2 (eMMC 4.1), eMMC pins are initialized to func 1, but if we set > fsp,emmc-boot-mode to 1 (auto), those pins are initialized to func 3 > which is correct according to datasheet. > > Signed-off-by: Bin Meng <bmeng...@gmail.com> > --- > > arch/x86/dts/bayleybay.dts | 15 +++++++++++++++ > arch/x86/dts/conga-qeval20-qa3-e3845.dts | 15 +++++++++++++++ > arch/x86/dts/minnowmax.dts | 15 +++++++++++++++ > 3 files changed, 45 insertions(+)
Reviewed-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
