diff options
Diffstat (limited to 'drivers/serial/serial_ixp.c')
| -rw-r--r-- | drivers/serial/serial_ixp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/serial/serial_ixp.c b/drivers/serial/serial_ixp.c index dd26af49b..a9acd476c 100644 --- a/drivers/serial/serial_ixp.c +++ b/drivers/serial/serial_ixp.c @@ -30,6 +30,7 @@ #include <common.h> #include <asm/arch/ixp425.h> +#include <watchdog.h> /* * 14.7456 MHz @@ -85,7 +86,8 @@ int serial_init (void) void serial_putc (const char c) { /* wait for room in the tx FIFO on UART */ - while ((LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_TEMT) == 0); + while ((LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_TEMT) == 0) + WATCHDOG_RESET(); /* Reset HW Watchdog, if needed */ THR(CONFIG_SYS_IXP425_CONSOLE) = c; @@ -111,7 +113,8 @@ int serial_tstc (void) */ int serial_getc (void) { - while (!(LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR)); + while (!(LSR(CONFIG_SYS_IXP425_CONSOLE) & LSR_DR)) + WATCHDOG_RESET(); /* Reset HW Watchdog, if needed */ return (char) RBR(CONFIG_SYS_IXP425_CONSOLE) & 0xff; } |