From: Thor Thayer <ttha...@opensource.altera.com>

The tx-threshold parameter sets the TX FIFO low water threshold
trigger for the Altera 16550-FIFO32 soft IP.

Signed-off-by: Thor Thayer <ttha...@opensource.altera.com>
---
v2   Change from tx-loadsz to tx-threshold
---
 arch/nios2/boot/dts/10m50_devboard.dts |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/nios2/boot/dts/10m50_devboard.dts 
b/arch/nios2/boot/dts/10m50_devboard.dts
index 3e411c6..f362b22 100755
--- a/arch/nios2/boot/dts/10m50_devboard.dts
+++ b/arch/nios2/boot/dts/10m50_devboard.dts
@@ -83,6 +83,7 @@
                        fifo-size = <32>;
                        reg-io-width = <4>;
                        reg-shift = <2>;
+                       tx-threshold = <16>;
                };
 
                sysid: sysid@18001528 {
-- 
1.7.9.5

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