[PATCH] edb93xx: Enable UART1

[Matthias Kaehlcke]

edb93xx: according to the datasheet UART1 needs to be enabled explicitly

Signed-off-by: Matthias Kaehlcke <matthias at kaehlcke.net>
---
 board/edb93xx/edb93xx.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/board/edb93xx/edb93xx.c b/board/edb93xx/edb93xx.c
index add88e1..6316988 100644
--- a/board/edb93xx/edb93xx.c
+++ b/board/edb93xx/edb93xx.c
@@ -32,6 +32,8 @@
 #include <mach/ep93xx-regs.h>
 #include "edb93xx.h"
 
+#define DEVCFG_U1EN (1 << 18)
+
 /*
  * Up to 32MiB NOR type flash, connected to
  * CS line 6, data width is 16 bit
@@ -164,6 +166,12 @@ static int edb93xx_console_init(void)
 	value |= SYSCON_PWRCNT_UART_BAUD;
 	writel(value, &syscon->pwrcnt);
 
+	/* Enable UART1 */
+	value = readl(&syscon->devicecfg);
+	value |= DEVCFG_U1EN;
+	writel(0xAA, &syscon->sysswlock);
+	writel(value, &syscon->devicecfg);
+
 	register_device(&edb93xx_serial_device);
 
 	return 0;
-- 
1.6.5