diff options
Diffstat (limited to 'cpu/arm1136/mx31/serial.c')
| -rw-r--r-- | cpu/arm1136/mx31/serial.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cpu/arm1136/mx31/serial.c b/cpu/arm1136/mx31/serial.c index 1cad8f9d8c5..f498599419d 100644 --- a/cpu/arm1136/mx31/serial.c +++ b/cpu/arm1136/mx31/serial.c @@ -63,6 +63,7 @@ #define URXD_FRMERR (1<<12) #define URXD_BRK (1<<11) #define URXD_PRERR (1<<10) +#define URXD_RX_DATA (0xFF) #define UCR1_ADEN (1<<15) /* Auto dectect interrupt */ #define UCR1_ADBR (1<<14) /* Auto detect baud rate */ #define UCR1_TRDYEN (1<<13) /* Transmitter ready interrupt enable */ @@ -165,7 +166,7 @@ void serial_setbrg (void) int serial_getc (void) { while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY); - return __REG(UART_PHYS + URXD); + return (__REG(UART_PHYS + URXD) & URXD_RX_DATA); /* mask out status from upper word */ } void serial_putc (const char c) |