diff options
Diffstat (limited to 'drivers/serial/ns16550.c')
| -rw-r--r-- | drivers/serial/ns16550.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index 397f5df..657c9da 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -7,9 +7,12 @@ #include <config.h> #include <ns16550.h> -#define LCRVAL LCR_8N1 /* 8 data, 1 stop, no parity */ -#define MCRVAL (MCR_DTR | MCR_RTS) /* RTS/DTR */ -#define FCRVAL (FCR_FIFO_EN | FCR_RXSR | FCR_TXSR) /* Clear & enable FIFOs */ +#define UART_LCRVAL UART_LCR_8N1 /* 8 data, 1 stop, no parity */ +#define UART_MCRVAL (UART_MCR_DTR | \ + UART_MCR_RTS) /* RTS/DTR */ +#define UART_FCRVAL (UART_FCR_FIFO_EN | \ + UART_FCR_RXSR | \ + UART_FCR_TXSR) /* Clear & enable FIFOs */ void NS16550_init (NS16550_t com_port, int baud_divisor) { @@ -17,16 +20,16 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) #ifdef CONFIG_OMAP com_port->mdr1 = 0x7; /* mode select reset TL16C750*/ #endif - com_port->lcr = LCR_BKSE | LCRVAL; + com_port->lcr = UART_LCR_BKSE | UART_LCRVAL; com_port->dll = 0; com_port->dlm = 0; - com_port->lcr = LCRVAL; - com_port->mcr = MCRVAL; - com_port->fcr = FCRVAL; - com_port->lcr = LCR_BKSE | LCRVAL; + com_port->lcr = UART_LCRVAL; + com_port->mcr = UART_MCRVAL; + com_port->fcr = UART_FCRVAL; + com_port->lcr = UART_LCR_BKSE | UART_LCRVAL; com_port->dll = baud_divisor & 0xff; com_port->dlm = (baud_divisor >> 8) & 0xff; - com_port->lcr = LCRVAL; + com_port->lcr = UART_LCRVAL; #if defined(CONFIG_OMAP) #if defined(CONFIG_APTIX) com_port->mdr1 = 3; /* /13 mode so Aptix 6MHz can hit 115200 */ @@ -40,29 +43,29 @@ void NS16550_init (NS16550_t com_port, int baud_divisor) void NS16550_reinit (NS16550_t com_port, int baud_divisor) { com_port->ier = 0x00; - com_port->lcr = LCR_BKSE | LCRVAL; + com_port->lcr = UART_LCR_BKSE | UART_LCRVAL; com_port->dll = 0; com_port->dlm = 0; - com_port->lcr = LCRVAL; - com_port->mcr = MCRVAL; - com_port->fcr = FCRVAL; - com_port->lcr = LCR_BKSE; + com_port->lcr = UART_LCRVAL; + com_port->mcr = UART_MCRVAL; + com_port->fcr = UART_FCRVAL; + com_port->lcr = UART_LCR_BKSE; com_port->dll = baud_divisor & 0xff; com_port->dlm = (baud_divisor >> 8) & 0xff; - com_port->lcr = LCRVAL; + com_port->lcr = UART_LCRVAL; } #endif /* CONFIG_NS16550_MIN_FUNCTIONS */ void NS16550_putc (NS16550_t com_port, char c) { - while ((com_port->lsr & LSR_THRE) == 0); + while ((com_port->lsr & UART_LSR_THRE) == 0); com_port->thr = c; } #ifndef CONFIG_NS16550_MIN_FUNCTIONS char NS16550_getc (NS16550_t com_port) { - while ((com_port->lsr & LSR_DR) == 0) { + while ((com_port->lsr & UART_LSR_DR) == 0) { #ifdef CONFIG_USB_TTY extern void usbtty_poll(void); usbtty_poll(); @@ -73,7 +76,7 @@ char NS16550_getc (NS16550_t com_port) int NS16550_tstc (NS16550_t com_port) { - return ((com_port->lsr & LSR_DR) != 0); + return ((com_port->lsr & UART_LSR_DR) != 0); } #endif /* CONFIG_NS16550_MIN_FUNCTIONS */ |