[U-Boot] [PATCH 09/10] x86: Init the debug UART if enabled

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 sjg@chromium.org ---

arch/x86/cpu/start.S | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/arch/x86/cpu/start.S b/arch/x86/cpu/start.S index d072825..e6e9cb5 100644 --- a/arch/x86/cpu/start.S +++ b/arch/x86/cpu/start.S @@ -134,6 +134,9 @@ car_init_ret: * mov $'a', %eax * call printch */ +#ifdef CONFIG_DEBUG_UART + call debug_uart_init +#endif

/* Get address of global_data */ mov %fs:0, %edx