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| author | Juergen Beisert <jbe@pengutronix.de> | 2012-07-24 11:24:50 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-07-25 09:27:38 +0200 |
| commit | 24c110da94f4d0d764ec191e239bec4696ca637f (patch) | |
| tree | 3df8ddde940f1f27865d0bb59ee84a18b3c8ae04 /drivers/serial/serial_s3c.c | |
| parent | c5066ad4cd42251ff0690a382c6dd93d0f07e3dc (diff) | |
| download | barebox-24c110da94f4d0d764ec191e239bec4696ca637f.tar.gz barebox-24c110da94f4d0d764ec191e239bec4696ca637f.tar.xz | |
Samsung/serial: unify UCON register settings
This should work on S3C24XX and S3C64XX SoCs.
Tested at runtime on a Mini2440 and Mini6410.
Signed-off-by: Juergen Beisert <jbe@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/serial/serial_s3c.c')
| -rw-r--r-- | drivers/serial/serial_s3c.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/serial/serial_s3c.c b/drivers/serial/serial_s3c.c index 877ccd2e17..96fe84744f 100644 --- a/drivers/serial/serial_s3c.c +++ b/drivers/serial/serial_s3c.c @@ -102,9 +102,13 @@ static int s3c_serial_init_port(struct console_device *cdev) /* Normal,No parity,1 stop,8 bit */ writeb(0x03, base + ULCON); - /* tx=level,rx=edge,disable timeout int.,enable rx error int., - * normal, interrupt or polling, no pre-divider */ - writew(0x0245 | UCON_SET_CLK_SRC(S3C_UART_CLKSEL), + /* + * S3C2440 SoC: + * - no clock divider + * all SoCs: + * - enable receive and transmit mode + */ + writew(0x0005 | UCON_SET_CLK_SRC(S3C_UART_CLKSEL), base + UCON); if (IS_ENABLED(CONFIG_DRIVER_SERIAL_S3C_IMPROVED)) |