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| author | kunhuahuang <huangkunhua@gmail.com> | 2015-04-28 02:25:45 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-05-10 07:29:38 -0400 |
| commit | 85e5f5b7a7f8d889271f94791606cde62d81d53f (patch) | |
| tree | f4b1f77bd8550d758051c0baaa2630b59c501bdd /drivers | |
| parent | ecb301394b8745f335dee66546a60dc13edba4d8 (diff) | |
| download | u-boot-imx-85e5f5b7a7f8d889271f94791606cde62d81d53f.zip u-boot-imx-85e5f5b7a7f8d889271f94791606cde62d81d53f.tar.gz u-boot-imx-85e5f5b7a7f8d889271f94791606cde62d81d53f.tar.bz2 | |
stm32f4: fix serial output
This patch fix the serial output.
The source is from Kamil Lulko's "stm32f429-discovery board support"
Thanks, Varcain. I learned a lot.
Signed-off-by: kunhuahuang <huangkunhua@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_stm32.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/serial/serial_stm32.c b/drivers/serial/serial_stm32.c index 3c80096..8c613db 100644 --- a/drivers/serial/serial_stm32.c +++ b/drivers/serial/serial_stm32.c @@ -81,6 +81,10 @@ static int stm32_serial_getc(void) static void stm32_serial_putc(const char c) { struct stm32_serial *usart = (struct stm32_serial *)USART_BASE; + + if (c == '\n') + stm32_serial_putc('\r'); + while ((readl(&usart->sr) & USART_SR_FLAG_TXE) == 0) ; writel(c, &usart->dr); |