From 902e76534d72702ad1d13948d9f667c7be847bd2 Mon Sep 17 00:00:00 2001 From: Ryan Harkin Date: Fri, 5 Jan 2018 16:23:21 +0000 Subject: serial: mxc: support DTE mode Add DTE mode support via Kconfig on the MXC uart. Signed-off-by: Ryan Harkin --- 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 4be8868536..234bd9c609 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -682,4 +682,11 @@ 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 cce80a8559..e7ea30c464 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) -- cgit v1.2.3