From 1fb293548d848cfbba857c2c6da99657678b505d Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Sat, 25 Jan 2014 21:57:45 +0000
Subject: [PATCH] Make early printf output nicer by inserting a carriage return
 before any linefeeds that are output.

---
 sys/arm/at91/uart_dev_at91usart.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sys/arm/at91/uart_dev_at91usart.c b/sys/arm/at91/uart_dev_at91usart.c
index d16f239459c..1e673edf335 100644
--- a/sys/arm/at91/uart_dev_at91usart.c
+++ b/sys/arm/at91/uart_dev_at91usart.c
@@ -288,6 +288,10 @@ volatile uint32_t *at91_dbgu = (volatile uint32_t *)(AT91_BASE + AT91_DBGU0);
 void
 eputc(int c)
 {
+
+	if (c == '\n')
+		eputc('\r');
+
 	while (!(at91_dbgu[USART_CSR / 4] & USART_CSR_TXRDY))
 		continue;
 	at91_dbgu[USART_THR / 4] = c;