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| author | Minkyu Kang <mk7.kang@samsung.com> | 2012-12-10 13:44:41 +0900 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2012-12-10 14:13:27 +0900 |
| commit | 2c601c7208713ba9b2158c57adcf515f4bdbc212 (patch) | |
| tree | 9f6e70f33565beceb956b98c261bee19731d50d2 /drivers/serial/serial_sh.c | |
| parent | b8a7c467960ffb4d5a5e1eef5f7783fb6f594542 (diff) | |
| parent | fd4d564b3c80b111f18c93adb14233a6a7ddb0e9 (diff) | |
| download | u-boot-imx-2c601c7208713ba9b2158c57adcf515f4bdbc212.zip u-boot-imx-2c601c7208713ba9b2158c57adcf515f4bdbc212.tar.gz u-boot-imx-2c601c7208713ba9b2158c57adcf515f4bdbc212.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot into resolve
Conflicts:
README
board/samsung/universal_c210/universal.c
drivers/misc/Makefile
drivers/power/power_fsl.c
include/configs/mx35pdk.h
include/configs/mx53loco.h
include/configs/seaboard.h
Diffstat (limited to 'drivers/serial/serial_sh.c')
| -rw-r--r-- | drivers/serial/serial_sh.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 3c931d0..ee1f2d7 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -117,6 +117,14 @@ static int serial_rx_fifo_level(void) return scif_rxfill(&sh_sci); } +static void handle_error(void) +{ + sci_in(&sh_sci, SCxSR); + sci_out(&sh_sci, SCxSR, SCxSR_ERROR_CLEAR(&sh_sci)); + sci_in(&sh_sci, SCLSR); + sci_out(&sh_sci, SCLSR, 0x00); +} + void serial_raw_putc(const char c) { while (1) { @@ -138,16 +146,14 @@ static void sh_serial_putc(const char c) static int sh_serial_tstc(void) { + if (sci_in(&sh_sci, SCxSR) & SCIF_ERRORS) { + handle_error(); + return 0; + } + return serial_rx_fifo_level() ? 1 : 0; } -void handle_error(void) -{ - sci_in(&sh_sci, SCxSR); - sci_out(&sh_sci, SCxSR, SCxSR_ERROR_CLEAR(&sh_sci)); - sci_in(&sh_sci, SCLSR); - sci_out(&sh_sci, SCLSR, 0x00); -} int serial_getc_check(void) { |