From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Agner Date: Fri, 19 Jan 2018 13:23:14 +0100 Subject: [U-Boot] [PATCH 1/2] serial: mxc: support DTE mode In-Reply-To: <1516355628-21784-2-git-send-email-ryan.harkin@linaro.org> References: <1516355628-21784-1-git-send-email-ryan.harkin@linaro.org> <1516355628-21784-2-git-send-email-ryan.harkin@linaro.org> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi Ryan, On 19.01.2018 10:53, Ryan Harkin wrote: > Add DTE mode support via Kconfig on the MXC uart. Make use of the driver model, there DTE is supported already today: https://lists.denx.de/pipermail/u-boot/2016-July/259573.html -- Stefan > > Signed-off-by: Ryan Harkin > Reviewed-by: Bryan O'Donoghue > --- > drivers/serial/Kconfig | 7 +++++++ > drivers/serial/serial_mxc.c | 10 ++++++++-- > 2 files changed, 15 insertions(+), 2 deletions(-) > > diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig > index 122b8e7..0df57c0 100644 > --- a/drivers/serial/Kconfig > +++ b/drivers/serial/Kconfig > @@ -597,4 +597,11 @@ config SYS_SDMR > depends on MPC8XX_CONS > default 0 > > +config SERIAL_MXC_DTE_MODE > + bool "Use DTE mode for the MXC UART" > + default n > + help > + This is used to set DTE mode on the serial console controlled by > + serial_mxc.c. > + > endmenu > diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c > index cce80a8..e7ea30c 100644 > --- a/drivers/serial/serial_mxc.c > +++ b/drivers/serial/serial_mxc.c > @@ -111,6 +111,12 @@ > #define TXTL 2 /* reset default */ > #define RXTL 1 /* reset default */ > > +#ifdef CONFIG_SERIAL_MXC_DTE_MODE > +#define MXC_DTE_MODE true > +#else > +#define MXC_DTE_MODE false > +#endif > + > DECLARE_GLOBAL_DATA_PTR; > > struct mxc_uart { > @@ -189,7 +195,7 @@ static void mxc_serial_setbrg(void) > if (!gd->baudrate) > gd->baudrate = CONFIG_BAUDRATE; > > - _mxc_serial_setbrg(mxc_base, clk, gd->baudrate, false); > + _mxc_serial_setbrg(mxc_base, clk, gd->baudrate, MXC_DTE_MODE); > } > > static int mxc_serial_getc(void) > @@ -367,7 +373,7 @@ static inline void _debug_uart_init(void) > > _mxc_serial_init(base); > _mxc_serial_setbrg(base, CONFIG_DEBUG_UART_CLOCK, > - CONFIG_BAUDRATE, false); > + CONFIG_BAUDRATE, MXC_DTE_MODE); > } > > static inline void _debug_uart_putc(int ch)