diff options
| -rw-r--r-- | drivers/serial/Kconfig | 10 | ||||
| -rw-r--r-- | include/debug_uart.h | 7 |
2 files changed, 17 insertions, 0 deletions
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 39f65007c9d..ac5920ad5a9 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -120,6 +120,16 @@ config DEBUG_UART_BOARD_INIT here that is needed to set up the UART ready for use, such as set pin multiplexing or enable clocks. +config DEBUG_UART_ANNOUNCE + bool "Show a message when the debug UART starts up" + depends on DEBUG_UART + help + Enable this option to show a message when the debug UART is ready + for use. You will see a message like "<debug_uart> " as soon as + U-Boot has the UART ready for use (i.e. your code calls + debug_uart_init()). This can be useful just as a check that + everything is working. + config ROCKCHIP_SERIAL bool "Rockchip on-chip UART support" depends on ARCH_ROCKCHIP && DM_SERIAL diff --git a/include/debug_uart.h b/include/debug_uart.h index a6b7ce8e6ee..5d5349bbd2e 100644 --- a/include/debug_uart.h +++ b/include/debug_uart.h @@ -105,6 +105,12 @@ void printhex4(uint value); */ void printhex8(uint value); +#ifdef CONFIG_DEBUG_UART_ANNOUNCE +#define _DEBUG_UART_ANNOUNCE printascii("<debug_uart> "); +#else +#define _DEBUG_UART_ANNOUNCE +#endif + /* * Now define some functions - this should be inserted into the serial driver */ @@ -151,6 +157,7 @@ void printhex8(uint value); { \ board_debug_uart_init(); \ _debug_uart_init(); \ + _DEBUG_UART_ANNOUNCE \ } \ #endif |