colibri imx6: disable ri and dcd irq in uarts

[oweals/u-boot.git] / board / toradex / colibri_imx6 / colibri_imx6.c

diff --git a/board/toradex/colibri_imx6/colibri_imx6.c b/board/toradex/colibri_imx6/colibri_imx6.c
index 84251891420238d7e8af81a376e5d2612d87bccb..efb6b925afacac7bacc1b7194f2d93c93e5a6acc 100644 (file)
--- a/board/toradex/colibri_imx6/colibri_imx6.c
+++ b/board/toradex/colibri_imx6/colibri_imx6.c
@@ -271,14 +271,21 @@ iomux_v3_cfg_t const usb_pads[] = {
  * UARTs are used in DTE mode, switch the mode on all UARTs before
  * any pinmuxing connects a (DCE) output to a transceiver output.
  */
+#define UCR3           0x88    /* FIFO Control Register */
+#define UCR3_RI                BIT(8)  /* RIDELT DTE mode */
+#define UCR3_DCD       BIT(9)  /* DCDDELT DTE mode */
 #define UFCR           0x90    /* FIFO Control Register */
-#define UFCR_DCEDTE    (1<<6)  /* DCE=0 */
+#define UFCR_DCEDTE    BIT(6)  /* DCE=0 */
 
 static void setup_dtemode_uart(void)
 {
        setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
        setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
        setbits_le32((u32 *)(UART3_BASE + UFCR), UFCR_DCEDTE);
+
+       clrbits_le32((u32 *)(UART1_BASE + UCR3), UCR3_DCD | UCR3_RI);
+       clrbits_le32((u32 *)(UART2_BASE + UCR3), UCR3_DCD | UCR3_RI);
+       clrbits_le32((u32 *)(UART3_BASE + UCR3), UCR3_DCD | UCR3_RI);
 }
 
 static void setup_iomux_uart(void)