Hi Lukasz, On Mon, 3 Dec 2018 at 15:13, Lukasz Majewski <lu...@denx.de> wrote: > > Dear All, > > I've stumbled upon a following issue: > > - I do have a vybrid SoC which is not using SPL. It only uses U-boot > proper (u-boot.vyb). > > - In the board_early_init_f() (when we are still in SRAM) I do perform > pinctrl (pinmux) setup for UART1 (this is the console device). > > - I also do use ucalss-serial.c for this device and have proper pinmux > definition for it in the *.dts file - but this is done latter. > > The problem is that, when I try to remove pinmux setup code > (imx_iomux_v3_setup_multiple_pads()) from board_early_init_f(), then I > do see uart output late (no U-boot early output - U-Boot > 2018.11-00052-g6552299a40-dirty (Nov 23 2018 - 16:13:51 +0100)). > > The reason for this is the lack of pinctrl UART pins setup. > > > Do you see any idea how to move to full dts support for uart? The uart > driver and pinmux have defined DM_FLAG_PRE_RELOC.
Is this due to pinconfig_post_bind() only operating after relocation? > > > The same kind of problem I do have with DDR memory controller pin > setup. It would be nice to have it all in DTS, not in a board file. > > > > > [ My idea would be to manually extract relevant data from fdt blob and > configure pins in board_early_init_f(), but this looks like a hack - > maybe there is another, better solution? ] Hopefully :-) Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
