On the ATEVK1100 (with an ATUC3A0512ES CPU), USART interrupts appear to be
enabled after reset.

Signed-off-by: Gunnar Rangoy <[EMAIL PROTECTED]>
Signed-off-by: Paul Driveklepp <[EMAIL PROTECTED]>
Signed-off-by: Olav Morken <[EMAIL PROTECTED]>
---
 drivers/serial/atmel_usart.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/atmel_usart.c b/drivers/serial/atmel_usart.c
index f3b146c..a358871 100644
--- a/drivers/serial/atmel_usart.c
+++ b/drivers/serial/atmel_usart.c
@@ -58,6 +58,9 @@ int serial_init(void)
 {
        usart3_writel(CR, USART3_BIT(RSTRX) | USART3_BIT(RSTTX));
 
+       /* Make sure that all interrupts are disabled during startup. */
+       usart3_writel(IDR, 0xffffffff);
+
        serial_setbrg();
 
        usart3_writel(CR, USART3_BIT(RXEN) | USART3_BIT(TXEN));
-- 
1.6.0.2

_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to