Hi Marek, On Mon, Dec 11, 2017 at 1:19 PM, Marek Vasut <ma...@denx.de> wrote: > The DDR DRAM calibration doesn't work on T-topology sometimes, so disable it. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Cc: Stefano Babic <sba...@denx.de> > --- > board/dhelectronics/dh_imx6/dh_imx6_spl.c | 4 ---- > 1 file changed, 4 deletions(-) > > diff --git a/board/dhelectronics/dh_imx6/dh_imx6_spl.c > b/board/dhelectronics/dh_imx6/dh_imx6_spl.c > index bb98f39f02..57ae7f15ce 100644 > --- a/board/dhelectronics/dh_imx6/dh_imx6_spl.c > +++ b/board/dhelectronics/dh_imx6/dh_imx6_spl.c > @@ -387,10 +387,6 @@ void board_init_f(ulong dummy) > &dhcom6sdl_grp_ioregs); > mx6_dram_cfg(&dhcom_ddr_info, &dhcom_mmdc_calib, &dhcom_mem_ddr); > > - /* Perform DDR DRAM calibration */ > - udelay(100); > - mmdc_do_dqs_calibration(&dhcom_ddr_info);
I also observed mmdc_do_dqs_calibration() failures and after applying this patch from Eric they were gone: https://lists.denx.de/pipermail/u-boot/2016-November/271596.html Does this help to solve the mmdc_do_dqs_calibration() on your case too? _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
