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path: root/drivers/serial/ns16550.c
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Diffstat (limited to 'drivers/serial/ns16550.c')
-rw-r--r--drivers/serial/ns16550.c39
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 */