On Mon, Oct 19, 2015 at 9:51 AM, Simon Glass <s...@chromium.org> wrote: > If the debug UART is enabled, get it ready for use at the earliest possible > opportunity. This is not actually very early, but until we have a stack it > is difficult to make it work. > > Signed-off-by: Simon Glass <s...@chromium.org> > --- > > Changes in v2: > - Remove comment block since we now always enable the debug UART > - Use a tab after the 'call' instruction > > arch/x86/cpu/start.S | 11 +++-------- > 1 file changed, 3 insertions(+), 8 deletions(-) > > diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S > index d072825..5b4ee79 100644 > --- a/arch/x86/cpu/start.S > +++ b/arch/x86/cpu/start.S > @@ -126,14 +126,9 @@ car_init_ret: > call board_init_f_mem > mov %eax, %esp > > - /* > - * Debug UART is available here although it may not be plumbed out > - * to pins depending on the board. To use it: > - * > - * call debug_uart_init > - * mov $'a', %eax > - * call printch > - */ > +#ifdef CONFIG_DEBUG_UART > + call debug_uart_init > +#endif > > /* Get address of global_data */ > mov %fs:0, %edx > --
Reviewed-by: Bin Meng <bmeng...@gmail.com> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
