diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-11-02 11:21:51 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-11-02 11:24:00 +0100 |
| commit | 4b055e23e9cfc33a0d67ca3358e1e07040a599ca (patch) | |
| tree | 213643a9dd48ff77791b098b70728f59ca6add1e /c/src/lib/libbsp/arm/imx/console/console-config.c | |
| parent | bsp/imx: Implement bsp_reset() (diff) | |
| download | rtems-4b055e23e9cfc33a0d67ca3358e1e07040a599ca.tar.bz2 | |
bsp/imx: Drain console before reset
Update #3090.
Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libbsp/arm/imx/console/console-config.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/imx/console/console-config.c b/c/src/lib/libbsp/arm/imx/console/console-config.c index a4c79a13b6..f7d7820136 100644 --- a/c/src/lib/libbsp/arm/imx/console/console-config.c +++ b/c/src/lib/libbsp/arm/imx/console/console-config.c @@ -59,6 +59,19 @@ static void imx_uart_write_polled(rtems_termios_device_context *base, char c) regs->utxd = IMX_UART_UTXD_TX_DATA(c); } +void imx_uart_console_drain(void) +{ + volatile imx_uart *regs; + + regs = imx_uart_get_regs(&imx_uart_console->base); + + if (regs != NULL) { + while ((regs->usr2 & IMX_UART_USR2_TXFE) == 0) { + /* Wait */ + } + } +} + static void imx_output_char(char c) { imx_uart_write_polled(&imx_uart_console->base, c); |