[PATCH 12/20] mini2440: Configure debug UART pins very early

[Juergen Beisert]

From: Juergen Beisert <juergen at kreuzholzen.de>

This is required in order to enable booting from NAND and to avoid any visible
garbage on the screen until the pins are really set.

Signed-off-by: Juergen Beisert <juergen at kreuzholzen.de>
---
 arch/arm/boards/mini2440/mini2440.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boards/mini2440/mini2440.c b/arch/arm/boards/mini2440/mini2440.c
index 17496a4..46581cc 100644
--- a/arch/arm/boards/mini2440/mini2440.c
+++ b/arch/arm/boards/mini2440/mini2440.c
@@ -138,6 +138,15 @@ static struct device_d mini2440_serial_device = {
 
 static int mini2440_console_init(void)
 {
+	/*
+	 * configure the UART1 right now, as barebox will
+	 * start to send data immediately
+	 */
+	s3c_gpio_mode(GPH0_NCTS0);
+	s3c_gpio_mode(GPH1_NRTS0);
+	s3c_gpio_mode(GPH2_TXD0);
+	s3c_gpio_mode(GPH3_RXD0);
+
 	register_device(&mini2440_serial_device);
 	return 0;
 }
-- 
1.7.2.3