summaryrefslogtreecommitdiff
path: root/drivers/serial
diff options
context:
space:
mode:
authorInha Song <ideal.song@samsung.com>2014-02-04 14:57:25 +0900
committerMinkyu Kang <mk7.kang@samsung.com>2014-02-05 16:26:09 +0900
commite6252fab2d6989025bfb97e33abca03b5cb10ff1 (patch)
tree5a3edce64cba892697d154802ffca47a302470de /drivers/serial
parent0ab9a03ca4af90c52640df23242188e32d40ec83 (diff)
downloadu-boot-imx-e6252fab2d6989025bfb97e33abca03b5cb10ff1.zip
u-boot-imx-e6252fab2d6989025bfb97e33abca03b5cb10ff1.tar.gz
u-boot-imx-e6252fab2d6989025bfb97e33abca03b5cb10ff1.tar.bz2
serial: s5p: set automatically clears after resetting Rx FIFO
This patch fix the u-boot shell problem on TRATS2 board. - If hold the key while booting is in progress, white spaces are written in u-boot shell. Set Automatically clears after resetting Rx FIFO. Signed-off-by: Inha Song <ideal.song@samsung.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Acked-by: Lukasz Majewski <l.majewski@samsung.com> Tested-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_s5p.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index 89f5d68..98c62b4 100644
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -100,8 +100,8 @@ static int serial_init_dev(const int dev_index)
{
struct s5p_uart *const uart = s5p_get_base_uart(dev_index);
- /* enable FIFOs */
- writel(0x1, &uart->ufcon);
+ /* enable FIFOs, auto clear Rx FIFO */
+ writel(0x3, &uart->ufcon);
writel(0, &uart->umcon);
/* 8N1 */
writel(0x3, &uart->ulcon);