ARM: EXYNOS: add UART3 to DEBUG_LL ports

Add support for using UART3 for DEBUG_LL on exynos.

[dianders: added depend on ARCH_EXYNOS.]

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index b0f3857b3a4c..9d75ec26ae52 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -338,6 +338,17 @@ choice
                   The uncompressor code port configuration is now handled
                   by CONFIG_S3C_LOWLEVEL_UART_PORT.
 
+        config DEBUG_S3C_UART3
+                depends on PLAT_SAMSUNG && ARCH_EXYNOS
+                bool "Use S3C UART 3 for low-level debug"
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to UART 3. The port must have been initialised
+                  by the boot-loader before use.
+
+                  The uncompressor code port configuration is now handled
+                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
         config DEBUG_SOCFPGA_UART
                 depends on ARCH_SOCFPGA
                 bool "Use SOCFPGA UART for low-level debug"
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 59401e1cc530..d342ed095c02 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -502,5 +502,6 @@ config DEBUG_S3C_UART
         default "0" if DEBUG_S3C_UART0
         default "1" if DEBUG_S3C_UART1
         default "2" if DEBUG_S3C_UART2
+        default "3" if DEBUG_S3C_UART3
 
 endif