[U-Boot] [PATCH v1 0/2] imx6ull: Fix missing initial output from UART

Igor Opaniuk igor.opaniuk at gmail.com
Mon Jul 15 14:19:45 UTC 2019


For Colibri iMX6ULL we have to set pinmux for uart configuration ASAP
(ideally before relocation) to get serial console working. Without this
we miss almost the half of output (U-boot version, CPU defails,
Reset cause, DRAM details etc.).

To achieve this we need to force pinctrl-mx6 to get probed before
relocation and add u-boot,dm-pre-reloc properties to uart pinmux
configuration nodes. Setting pinmux configuration for UART before was done
in board_early_init_f().

Fixes: cd69e8ef9b ("colibri-imx6ull: migrate pinctrl and regulators to dtb/dm")

Igor Opaniuk (2):
  pinctrl: nxp: mx6: DM_FLAG_PRE_RELOC by default
  ARM: dts: imx6ull-colibri: pre-reloc for uart pinmux modes

 arch/arm/dts/imx6ull-colibri.dts   | 2 ++
 drivers/pinctrl/nxp/pinctrl-imx6.c | 2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

-- 
2.17.1



More information about the U-Boot mailing list