[ARM] 5276/1: ep93xx: allow selecting UART for early kernel messages

Currently on the EP93xx platform early kernel messages go to UART1.
Since this UART is the only one that has modem control signals it
might be used for another purpose and it is undesirable for those
messages to appear. This patch allows one of the other UARTs to be
selected in the kernel configuration. It is assumed that the
bootloader has configured and initialized the UART since this was the
previous assumption.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 14 insertions, 0 deletions

diff --git a/arch/arm/mach-ep93xx/Kconfig b/arch/arm/mach-ep93xx/Kconfig
index ea8549bfbef2..5a1b8c05c958 100644
--- a/arch/arm/mach-ep93xx/Kconfig
+++ b/arch/arm/mach-ep93xx/Kconfig
@@ -88,6 +88,20 @@ config MACH_TS72XX
           Say 'Y' here if you want your kernel to support the
           Technologic Systems TS-72xx board.
 
+choice
+        prompt "Select a UART for early kernel messages"
+
+config EP93XX_EARLY_UART1
+        bool "UART1"
+
+config EP93XX_EARLY_UART2
+        bool "UART2"
+
+config EP93XX_EARLY_UART3
+        bool "UART3"
+
+endchoice
+
 endmenu
 
 endif