Enable the debug UART in SPL to allow early serial output even if the standard UART does not work (e.g. due to driver model problem). Signed-off-by: Simon Glass <sjg at chromium.org> --- Changes in v3: None Changes in v2: None arch/arm/mach-tegra/spl.c | 4 ++++ 1 file changed, 4 insertions(+) Applied to u-boot-dm, thanks!