Some consoles must be configured for DTE mode. Allow to set this
in lowlevel code.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
include/serial/imx-uart.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/include/serial/imx-uart.h b/include/serial/imx-uart.h
index 901b26a..b40044e 100644
--- a/include/serial/imx-uart.h
+++ b/include/serial/imx-uart.h
@@ -146,6 +146,15 @@ static inline void imx_uart_setup(void __iomem *uartbase,
writel(UCR1_UARTEN, uartbase + UCR1);
}
+static inline void imx_uart_set_dte(void __iomem *uartbase)
+{
+ u32 ufcr;
+
+ ufcr = readl(uartbase + UFCR);
+ ufcr |= UFCR_DCEDTE;
+ writel(ufcr, uartbase + UFCR);
+}
+
static inline void imx50_uart_setup(void __iomem *uartbase)
{
imx_uart_setup(uartbase, 66666666);
--
2.10.1
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