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 --- drivers/serial/serial_s5p.c | 4 ++-- 1 file 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);