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serial_pl010.c: add watchdog support

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Signed-off-by: Stuart Wood <stuart.wood@labxtechnologies.com>
This commit is contained in:
Stuart Wood 2008-06-02 16:42:19 -04:00 committed by Wolfgang Denk
parent 86d3273e2b
commit 8b616edb11
1 changed files with 6 additions and 2 deletions
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8
drivers/serial/serial_pl010.c
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@ -29,6 +29,7 @@
/* Should be fairly simple to make it work with the PL010 as well */
#include <common.h>
#include <watchdog.h>
#ifdef CFG_PL010_SERIAL
@ -137,7 +138,8 @@ void serial_setbrg (void)
static void pl010_putc (int portnum, char c)
{
/* Wait until there is space in the FIFO */
while (IO_READ (port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_TXFF);
while (IO_READ (port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_TXFF)
WATCHDOG_RESET();
/* Send the character */
IO_WRITE (port[portnum] + UART_PL01x_DR, c);
@ -148,7 +150,8 @@ static int pl010_getc (int portnum)
unsigned int data;
/* Wait until there is data in the FIFO */
while (IO_READ (port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_RXFE);
while (IO_READ (port[portnum] + UART_PL01x_FR) & UART_PL01x_FR_RXFE)
WATCHDOG_RESET();
data = IO_READ (port[portnum] + UART_PL01x_DR);
@ -164,6 +167,7 @@ static int pl010_getc (int portnum)
static int pl010_tstc (int portnum)
{
WATCHDOG_RESET();
return !(IO_READ (port[portnum] + UART_PL01x_FR) &
UART_PL01x_FR_RXFE);
}