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Diffstat (limited to 'arch/arm/plat-omap/include/plat/uncompress.h')
-rw-r--r--arch/arm/plat-omap/include/plat/uncompress.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index bbedd71943f..ddf723be48d 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -25,6 +25,8 @@
#include <plat/serial.h>
+#define MDR1_MODE_MASK 0x07
+
static volatile u8 *uart_base;
static int uart_shift;
@@ -42,6 +44,10 @@ static void putc(int c)
if (!uart_base)
return;
+ /* Check for UART 16x mode */
+ if ((uart_base[UART_OMAP_MDR1 << uart_shift] & MDR1_MODE_MASK) != 0)
+ return;
+
while (!(uart_base[UART_LSR << uart_shift] & UART_LSR_THRE))
barrier();
uart_base[UART_TX << uart_shift] = c;