diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/ns16550.c | 3 | ||||
| -rw-r--r-- | drivers/serial/serial_ns16550.c | 4 | ||||
| -rw-r--r-- | drivers/serial/serial_pl01x.c | 4 | ||||
| -rw-r--r-- | drivers/serial/serial_sh.c | 20 |
4 files changed, 22 insertions, 9 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 9027781445..bbd91ca247 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -36,6 +36,9 @@ void NS16550_init(NS16550_t com_port, int baud_divisor) { + while (!(serial_in(&com_port->lsr) & UART_LSR_TEMT)) + ; + serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier); #if (defined(CONFIG_OMAP) && !defined(CONFIG_OMAP3_ZOOM2)) || \ defined(CONFIG_AM33XX) diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c index c1c0134bcb..fc01a3c516 100644 --- a/drivers/serial/serial_ns16550.c +++ b/drivers/serial/serial_ns16550.c @@ -31,6 +31,8 @@ #include <serial.h> +#ifndef CONFIG_NS16550_MIN_FUNCTIONS + DECLARE_GLOBAL_DATA_PTR; #if !defined(CONFIG_CONS_INDEX) @@ -304,3 +306,5 @@ void ns16550_serial_initialize(void) serial_register(&eserial6_device); #endif } + +#endif /* !CONFIG_NS16550_MIN_FUNCTIONS */ diff --git a/drivers/serial/serial_pl01x.c b/drivers/serial/serial_pl01x.c index b331be794b..dfdba9f64e 100644 --- a/drivers/serial/serial_pl01x.c +++ b/drivers/serial/serial_pl01x.c @@ -163,8 +163,8 @@ static int pl01x_serial_init(void) } #endif /* Finally, enable the UART */ - writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE, - ®s->pl011_cr); + writel(UART_PL011_CR_UARTEN | UART_PL011_CR_TXE | UART_PL011_CR_RXE | + UART_PL011_CR_RTS, ®s->pl011_cr); return 0; } diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 3c931d0212..ee1f2d768a 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) { |
