diff options
Diffstat (limited to 'drivers/serial/serial_mxc.c')
| -rw-r--r-- | drivers/serial/serial_mxc.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c index c8c36e5e19c..cce80a8559e 100644 --- a/drivers/serial/serial_mxc.c +++ b/drivers/serial/serial_mxc.c @@ -357,3 +357,29 @@ U_BOOT_DRIVER(serial_mxc) = { .flags = DM_FLAG_PRE_RELOC, }; #endif + +#ifdef CONFIG_DEBUG_UART_MXC +#include <debug_uart.h> + +static inline void _debug_uart_init(void) +{ + struct mxc_uart *base = (struct mxc_uart *)CONFIG_DEBUG_UART_BASE; + + _mxc_serial_init(base); + _mxc_serial_setbrg(base, CONFIG_DEBUG_UART_CLOCK, + CONFIG_BAUDRATE, false); +} + +static inline void _debug_uart_putc(int ch) +{ + struct mxc_uart *base = (struct mxc_uart *)CONFIG_DEBUG_UART_BASE; + + while (!(readl(&base->ts) & UTS_TXEMPTY)) + WATCHDOG_RESET(); + + writel(ch, &base->txd); +} + +DEBUG_UART_FUNCS + +#endif |