Re: [U-Boot] [PATCH v2 3/5] debug_uart: Add an option to announce the debug UART
On 18 October 2015 at 21:17, Bin Mengwrote: > On Mon, Oct 19, 2015 at 9:51 AM, Simon Glass wrote: >> It is useful to see a message from the debug UART early during boot so that >> you know things are working. Add an option to enable this. The message will >> be displayed as soon as debug_uart_init() is called. >> >> Signed-off-by: Simon Glass >> --- >> >> Changes in v2: None >> >> drivers/serial/Kconfig | 10 ++ >> include/debug_uart.h | 7 +++ >> 2 files changed, 17 insertions(+) [snip] > Reviewed-by: Bin Meng Applied to u-boot-x86. ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] [PATCH v2 3/5] debug_uart: Add an option to announce the debug UART
On Mon, Oct 19, 2015 at 9:51 AM, Simon Glasswrote: > It is useful to see a message from the debug UART early during boot so that > you know things are working. Add an option to enable this. The message will > be displayed as soon as debug_uart_init() is called. > > Signed-off-by: Simon Glass > --- > > Changes in v2: None > > drivers/serial/Kconfig | 10 ++ > include/debug_uart.h | 7 +++ > 2 files changed, 17 insertions(+) > > diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig > index 39f6500..ac5920a 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 " " 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 a6b7ce8..5d5349b 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(" "); > +#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 > -- Reviewed-by: Bin Meng ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
[U-Boot] [PATCH v2 3/5] debug_uart: Add an option to announce the debug UART
It is useful to see a message from the debug UART early during boot so that you know things are working. Add an option to enable this. The message will be displayed as soon as debug_uart_init() is called. Signed-off-by: Simon Glass--- Changes in v2: None drivers/serial/Kconfig | 10 ++ include/debug_uart.h | 7 +++ 2 files changed, 17 insertions(+) diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 39f6500..ac5920a 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 " " 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 a6b7ce8..5d5349b 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(" "); +#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 -- 2.6.0.rc2.230.g3dd15c0 ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot